巴西专利BR112013029734B1 two-wheeled motor vehicle

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专利摘要:
TWO WHEEL MOTOR VEHICLE. The present invention relates to a two-wheeled motor vehicle which is provided in which a rear padding unit comprises a damping cylinder which has an end part connected to a swing arm, a subtank connected to the damping cylinder and a mechanism adjusting device which can adjust a damping force in response to an operation of the operating element that is provided between a vehicle body frame and the swing arm, wherein a cylinder body (66) of the damping cylinder (61), a part of the bottom housing tube (76) which houses the adjustment mechanism (63) which has an operating face (78) on which the operating element (64, 65) is arranged and the sub-tank (62) are supplied integrally and connected, and the operating face (78) is arranged so that it is tilted obliquely upwards so that the operating element (64, 65) facing a region (A ) delimited by q seat frame (16), the rear seat pedal support (35) mounted on the seat frame (16) and the swing arm (24) when viewed from the side can be operated from above (...).
公开号:BR112013029734B1
申请号:R112013029734-4
申请日:2012-05-25
公开日:2021-01-26
发明作者:Hironori Nakamura；Taisuke Nimura；Akihiro Nakajima
申请人:Honda Motor Co., Ltd.；
IPC主号:

专利说明:

[0001] [001] The present invention relates to a two-wheeled motor vehicle in which a rear damping unit including a damping cylinder having an end part connected to an oscillating arm that axially supports a rear wheel through a rear end part and is oscillatingly supported on a vehicle body structure, a secondary tank that is connected to the damping cylinder in order to allow hydraulic oil to flow between the secondary tank and the damping cylinder, and a mechanism adjustment element which has an operating element and is arranged between the damping cylinder and the secondary tank in order to adjust a damping force in response to an operation of the operating element is provided between the vehicle body structure and the swingarm . BACKGROUND OF THE TECHNIQUE
[0002] [002] A two-wheeled motor vehicle equipped with a rear damping for which the characteristics of the damping force can be adjusted is conventionally known, and there is an arrangement in which a secondary tank, which is a body separated from a cylinder damping, is supported on a connecting pipe that connects a pair of central right and left pipes that form part of a vehicle body structure, and an adjustment mechanism for adjusting the damping force is attached to the secondary tank (ref. Patent Document 1) or an adjustment mechanism, which is a separate body from a damping cylinder, is mounted on a support of the rear seat stirrup so as to be separated from the damping cylinder (ref. Patent Document 2 ). RELATED TECHNICAL DOCUMENTS PATENT DOCUMENTS
[0003] [003] Patent Document 1: Application for Registration of Utility Model open to public inspection in JP 59-19492
[0004] [004] Patent Document 2: Patent Application opened for public inspection in JP 2010-234913 SUMMARY OF THE INVENTION PROBLEMS TO BE SOLVED BY THE INVENTION
[0005] [005] However, in the provisions revealed by Patent Document 1 and Patent Document 2 above, it is necessary to maneuver the piping between the damping cylinder and the adjustment mechanism or ensure that there is space for an assembly part of the adjustment mechanism to be mounted on the vehicle body. In order to solve such problems, the integration of the damping cylinder and the adjustment mechanism can be considered, but in that case there would be a problem in achieving a balance between having the ability to perform an operation to adjust the adjustment mechanism and having good efficiency. of space for placing a rear cushioning unit.
[0006] [006] The present invention has been carried out in the light of such circumstances, and it is an objective of the same to provide a motorized two-wheeled vehicle that allows an adjustment mechanism to be arranged with good space efficiency while allowing a damping force to be easily adjusted. MEANS TO SOLVE THE PROBLEMS
[0007] [007] In order to achieve the above objective, according to a first aspect of the present invention, a two-wheeled motor vehicle is provided in which a rear damping unit comprising a damping cylinder having an end part connected to an oscillating arm that axially supports a rear wheel through a rear end part and is oscillatingly supported on a vehicle body structure, a secondary tank that is connected to the damping cylinder in order to allow hydraulic oil flows between the secondary tank and the damping cylinder, and an adjustment mechanism that has an operating element and is arranged between the damping cylinder and the secondary tank in order to have the ability to adjust a damping force in response to a operation of the operating element is provided between the vehicle body structure and the swing arm, characterized in that a cylinder body of the cylinder damping part, a part of a housing tube with a bottom that houses the adjustment mechanism that has an operating face on an upper end part on which the operating element is arranged and the secondary tank are supplied integrally and connected, a The rear seat footboard support is mounted on a seat frame that forms part of the vehicle body structure and is arranged above the swing arm, a rear seat footboard so that a passenger's foot is placed when being provided on the seat support. the rear seat stirrup and the operating face is arranged so that it is tilted obliquely upwards so that the operating element facing a region bounded by the seat frame, the support of the rear seat stirrup and the swing arm when viewed from the side it can be operated from the obliquely upward position on the outside.
[0008] [008] Additionally, according to a second aspect of the present invention, in addition to the first aspect, the adjustment mechanism comprises at least a first operating element for adjusting a damping force on the compression side of the damping cylinder and a second element of operation to adjust a damping force on the extension side of the damping cylinder, and the operating elements are arranged so that they are facing the region and are operable from the obliquely upward position on the outside.
[0009] [009] According to a third aspect of the present invention, in addition to the first aspect, the swing arm comprises a pair of arm parts that are arranged on opposite left and right sides of the rear wheel and are connected to each other, a support is supplied integrally with the arm parts so that it protrudes above the arm parts when viewed from the side, an upper end of the damping cylinder being mounted on the support, and the operating element is arranged on the back of the support and below the upper end of the support.
[0010] [0010] According to a fourth aspect of the present invention, in addition to the first aspect, an inclined part that is angled upwards towards the rear from a lower end of the support is formed at an upper end of one of the two parts of arm in a portion positioned at the rear of the support, and the operating element is arranged so as to face a recess formed between a lower part of the support and the inclined part when viewed from the side.
[0011] [0011] According to a fifth aspect of the present invention, in addition to the first aspect, a rear fender is disposed above the swing arm and between a pair of left and right seat frames, and a housing recess is formed in a lower face of the rear fender, the housing recess that houses an upper part of the damping cylinder, the operating element and the secondary tank when the swing arm is fully flexed.
[0012] [0012] In accordance with a sixth aspect of the present invention, in addition to the fifth aspect, an anti-lock brake control module is disposed within the rear fender at the rear of the housing recess.
[0013] [0013] According to a seventh aspect of the present invention, in addition to the first aspect, the part of the housing tube is arranged so as to have an inclined geometric axis relative to a geometric axis of the damping cylinder, which extends in the vertical direction , while an opening part at an upper end of the housing tube part faces obliquely towards the outside, and the adjustment mechanism is housed within the housing tube part so that the operating face is positioned in the opening part , and the operating element is arranged on the operating face.
[0014] [0014] According to an eighth aspect of the present invention, in addition to the first aspect, a side stand is supported on one of the right and left sides of the vehicle body structure, and the operating element is arranged on the side stand side in an inclined way.
[0015] [0015] According to a ninth aspect of the present invention, in addition to the first aspect, the swing arm integrally comprises a pair of arm parts disposed on opposite left and right sides of the rear wheel and a cross member part connecting the front parts of the arm parts, a groove part that extends in the forward and backward direction is formed on an upper face of a central part of the cross member part in the vehicle width direction, and part of the secondary tank, a part of upper end of the damping cylinder and the operating element are arranged within the width of the groove part when viewed from the rear.
[0016] [0016] According to a tenth aspect of the present invention, in addition to the first aspect, an operating template for operating the operating element comprises a handle portion for an operator to hold and an operating portion connected to the handle portion on a angle to exert an operating force on the operating element.
[0017] [0017] Furthermore, according to an eleventh aspect of the present invention, in addition to the first aspect, an upper half of the secondary tank arranged to extend in the forward and backward direction is subjected to a polishing treatment.
[0018] [0018] An upper support 74 of an embodiment corresponds to the support of the present invention. EFFECTS OF THE INVENTION
[0019] [0019] According to the first aspect of the present invention, since the cylinder body of the damping cylinder, the part of the bottom housing tube that houses the adjustment mechanism and the secondary tank are supplied integrally and connected, it is unnecessary to employ a mounting member used exclusively to mount the adjustment mechanism on the vehicle body, and the rear damping unit can be supplied in a compact manner. In addition, since in order to enable the operating element of the adjustment mechanism arranged to face the region bounded by the seat frame, the support of the rear seat stirrup and the swing arm, when viewed from the side to be operated from obliquely from above on the outside, the operating face, on which the operating element is arranged, is arranged so that it is tilted obliquely upwards, it is possible to arrange the adjustment mechanism with good space efficiency and in such a way that it can be easily operated from the outside.
[0020] [0020] Furthermore, according to the second aspect of the present invention, since the adjustment mechanism is arranged so that it faces the region bounded by the seat frame, the support of the rear seat stirrup, and the armrest oscillating when viewed from the side and has at least first and second operating elements that can be operated from an obliquely upward position on the outside, the damping force on the compression side of the damping cylinder can be adjusted by the first operation, and the damping force on the extension side of the damping cylinder can be adjusted by the second operating element, it is possible to easily adjust at least the damping force on the compression side and the damping force on the extension side via a adjustment mechanism position.
[0021] [0021] According to the third aspect of the present invention, since the support for mounting the upper end of the damping cylinder is provided integrally with the pair of arm parts of the swing arm in order to project the arm parts above when seen from the side, and the operating element is arranged on the back of the support and below the upper end of the support, it is possible to easily guarantee that there is space to dispose of the operating element in the vicinity of the swing arm, thus enabling , that the operating element is arranged with good space efficiency.
[0022] [0022] According to the fourth aspect of the present invention, since the inclined part, which is inclined upwards to the rear from the lower end of the support, is formed at the upper end of one of the arm parts so forming the recess between the inclined part and the lower parts of the support when viewed from the side, and the operating element is arranged so that it faces the recess, it is possible to arrange the operating element with better space efficiency while ensures the rigidity of the swing arm.
[0023] [0023] According to the fifth aspect of the present invention, since the housing recess is formed on the bottom face of the rear fender disposed between the pair of left and right seat frames above the swing arm, and the upper part of the damping cylinder, the operating element and the secondary tank are housed in the housing recess when the swing arm is fully flexed, it is possible to arrange the rear fender and rear damping unit with good space efficiency relative to each other while guarantees the function of the rear fender, thereby protecting the rear damping unit.
[0024] [0024] In accordance with the sixth aspect of the present invention, the housing of the anti-lock brake control module inside the rear fender to the rear of the housing recess allows the anti-lock brake control module to be disposed with good efficiency and good weight balance in a position where the anti-lock brake control module does not interfere with the rear damping unit even at a time of total bending, while using the placement of the rear damping unit with good space efficiency.
[0025] [0025] According to the seventh aspect of the present invention, since the part of the housing tube that houses the adjustment mechanism is arranged so as to have an inclined geometric axis relative to the geometric axis of the damping cylinder that extends in the direction vertical so as to make the opening part on the upper end face obliquely to the outside, and the operating face, on which the operating element is arranged, is arranged on the opening part of the housing tube part, it is possible to operate the operating element from the side of the two-wheeled motor vehicle while preventing any increase in the width, in the vehicle width direction, of the rear damping unit.
[0026] [0026] According to the eighth aspect of the present invention, since the operating element is tilted towards the side stand, it makes it easier to operate the operating element due to the vehicle body being tilted in a state in which the vehicle is stopped while resting on the side stand.
[0027] [0027] According to the ninth aspect of the present invention, since the swing arm integrally includes the pair of arm parts and the cross member part that connects the front parts of the arm parts, and part of the tank secondary, the upper end part of the damping cylinder, and the operating element are arranged, when viewed from the rear, within the width of the groove part formed on the upper face of the central part, in the direction of vehicle width, from the cross-member part and extending in the forward and backward direction, it is possible to arrange the rear damping unit in a compact way in order to protect it by means of the swing arm while guaranteeing the rigidity of the swing arm.
[0028] [0028] According to the tenth aspect of the present invention, since the operating template includes the handle portion and the operating portion connected to the handle portion at an angle, and an operating force is applied from the operation to the operating element, it makes it easier to operate the operating element, which can be operated from the above oblique position.
[0029] [0029] In addition, according to the eleventh aspect of the present invention, since the secondary tank is arranged to extend in the forward and backward direction, and the upper half of the secondary tank is subjected to a treatment of polishing, it is possible to improve the appearance of a portion exposed to the outside of the secondary tank while improving cost efficiency when compared to a case where the entire outer periphery is subjected to polishing. BRIEF DESCRIPTION OF THE DRAWINGS
[0030] [0030] FIG. 1 is a view of the right side of a two-wheeled motor vehicle. (First modality)
[0031] [0031] FIG. 2 is an enlarged view of an essential part of FIG. 1. (First modality)
[0032] [0032] FIG. 3 is a view in the direction of the arrow 3 in FIG. 2 in a state in which a current cover is omitted. (First modality)
[0033] [0033] FIG. 4 is a sectional view along line 4-4 in FIG. 3. (First modality)
[0034] [0034] FIG. 5 is a sectional view along 5-5 in FIG. 4 in a state in which a swing arm is fully flexed. (First modality)
[0035] [0035] FIG. 6 is a side view of a rear cushioning unit from the same direction as FIG. 2. (First modality)
[0036] [0036] FIG. 7 is a view in the direction of arrow 7 in FIG. 6. (First modality)
[0037] [0037] FIG. 8 is a schematic section view to explain the basic structure of the rear damping unit. (First modality)
[0038] [0038] FIG. 9 is a side view of an operating template. (First modality) EXPLANATION OF REFERENCE NUMBERS AND SYMBOLS 16 Seat frame 24 Swingarm 28 Rear damping unit 35 Rear seat stirrup support 36 Rear seat stirrup 46 Rear fender 47 Sidestand 51, 52 Arm Part 53 Cross-limb part 61 Damping cylinder 62 Secondary tank 63 Adjustment mechanism 64 First operating element 65 Second operating element 74 Top support, which is a support 76 Housing tube part 77 Opening part 78 Operation face 98 Slanted part 99 Recess 100 Accommodation recess 101 Anti-lock brake control module 102 Slot part 107 Operation template 107a Handle portion 107b Operation portion The region F Vehicle body structure WR Rear wheel MODE FOR CARRYING OUT THE INVENTION
[0039] [0039] One way of carrying out the present invention is explained by way of reference with reference to FIG. 1 to FIG. 9 attachments. In the explanation below, the vertical direction, the forward and backward direction, and the left and right direction are directions from a motorcyclist's point of view. FIRST MODE
[0040] [0040] First, in FIG. 1, a vehicle body structure F of that two-wheeled motor vehicle includes a front tube 13 which controllably supports the handlebars 12 and a front fork 11 which axially supports a front wheel WF, a pair of main frames left and right 14 that descend downwardly to the rear from the front tube 13, hinge frames 15 that are integrally formed with the respective main frames 14 so as to extend downwardly from the rear end of the frames main frames 14, and a pair of left and right seat frames 16 which are attached to the rear ends of the main frames 14 and extend upwardly to the rear.
[0041] [0041] An E motor is mounted on the vehicle body structure F so as to be arranged under the main frames 14 between the front wheel WF and a rear wheel WR. An output shaft 19 of a transmission (not shown) housed within a motor housing 18 E projects to the left from the housing 18. A direct current 22 is wound around a drive sprocket 20 and a sprocket driven 21, the drive sprocket 20 being fixedly provided in an end part, which protrudes from the crankcase 18, of the output shaft 19, and the driven sprocket 21 is supplied, fixedly in a mechanical axle 23 of the rear wheel WR.
[0042] [0042] In addition, a front end part of a swing arm 24 is vertically supported oscillatingly on the articulation frames 15 of the vehicle body structure F via a support axis 25, the swing arm 24 that supports in a manner axial through the rear end part thereof the mechanical axle 23 of the rear wheel WR. A chain cover 26 is mounted on the swing arm 24, the chain cover 26 covering from the top of a chain displacement portion 22 from the driven sprocket 21 towards the side of the driving sprocket 20 .
[0043] [0043] In addition, a link mechanism 27 is provided between the swing arm 24 and the hinge frames 15, and a rear damping unit 28 is provided between the link mechanism 27 and the swing arm 24.
[0044] [0044] A fuel tank 29 positioned above a main engine body 17 is mounted on the main frames 14 of the vehicle body structure F. A biker seat 30 positioned at the rear of the fuel tank 29 and a rear seat 31 positioned at the rear of the rider's seat 30 are supported by the seat frame 16.
[0045] [0045] Referring, in addition to FIG. 2, the stirrup supports 33 extending to the rear are supported on the hinge frames 15 at the rear of the support shaft 25, and the stirrups 34 are provided on a rear of the stirrup supports 33, a motorcyclist sitting on the seat motorcyclist 30 puts his foot in the stirrups 34. In addition, the supports of the rear seat stirrup 35 that extend downwards to the rear are each supported in intermediate parts in the forward and backward direction of the seat frames 16, and the rear seat stirrups 36 are provided at the rear of the rear seat stirrup supports 35, a passenger seated in the rear seat 31 places his foot in the stirrups of the rear seat 36.
[0046] [0046] The parts of the vehicle body structure F and the engine E are covered by a covering of the vehicle body 37, which is made of a synthetic resin. This vehicle body cover 37 has an upper hood 38 that covers the front tube 13 from the front, a pair of left and right outer hoods 39 that are supplied, in a connected manner, on the upper hood 38 and a front part of the engine E from the side, a pair of left and right layer hoods 40 that are supplied, in a connected manner, at the bottom edges of the respective outer hoods 39, a pair of lower left and right hoods 41 covering the engine E from bottom, a tank cover 42 covering the fuel tank 29, a pair of left and right knee covers 43 that are provided between the tank cover 42 and the main frames 14, and a pair of left and right tailcovers right 44 covering the rear of the seat frames 16 from the side.
[0047] [0047] A front fender 45 that covers the front wheel WF from above is supported on the front fork 11, and a rear fender 46 disposed above the swingarm 24 and between the pair of left and right seat frames 16 is supported on a rear part of the vehicle body structure F.
[0048] [0048] Furthermore, a sidestand 47 and a shift pedal 48 are articulated in a lower part of the left articulation frame 15 in the vehicle body structure F, the sidestand 47 has the ability to articulate between a raised position (position shown in FIG. 2) in which the two-wheeled motor vehicle is curved to the left and stopped and a stored position in which displacement of the two-wheeled motor vehicle is possible, and the shift pedal 48 is to change the gear position of the transmission inside the crankcase 18.
[0049] [0049] Referring further to FIG. 3 to FIG. 5, the swing arm 24 includes an articulation tube 50 that surrounds the support axis 25 and is pivotally supported on the support axis 25, a left arm part 51 and a right arm part 52 which have parts of front ends connected to the opposite end portions of the articulation tube 50, are arranged on opposite left and right sides of the rear wheel WR, and extend in the forward and backward direction, and a cross member part 53 which is disposed between the rear wheel WR and the articulation barrel 50 and integrally connects the left arm part 51 and the right arm part 52.
[0050] [0050] The left arm part 51 is formed from a main body of the left arm part 51a that extends in the forward and backward direction along a straight line connecting the geometric axis of the support axis 25 and the geometry axis of the mechanical axis 23 of the rear wheel WR, and a secondary arm 51b connecting a rear end part of the main body of the left arm part 51a and a left upper part of the cross member part 53. The cross member part 53 it is formed so that it protrudes above an upper face of the front part of the main body of the left arm part 51a, and the secondary arm 51b is disposed above the main body of the left arm part 51a so as to form, between the same and the main body of the left arm part 51a, an opening part 54 for displacing the chain 22. The chain cover 26 is joined to the main body of the left arm part 51a so as to extend through the opening part 5 4.
[0051] [0051] The connecting mechanism 27, which is provided between the swing arm 24 and the hinge frames 15, includes a connecting arm 55 that forms a substantially triangular shape when viewed from the side and a connecting rod 56 that extends substantially along the forward and backward direction. A lower support 57 is provided on a lower face of a front part of the main body of the left arm part 51a of the left arm part 51 and a lower face of a front part of the right arm part 52 of the swing arm 24. A part upper end of the connecting arm 55 is connected to the lower support 57 through a first connecting axis 58, which is parallel to the supporting axis 25. In addition, a front end portion of the connecting rod 56 is connected to a part lower part of the hinge frames 15 in the vehicle body structure F through a second connecting shaft 59, which is parallel to the supporting shaft 25. A rear end portion of the connecting rod 56 is connected to a rear end portion of the connecting arm 55 through a third connecting axis 60, which is parallel to the supporting axis 25.
[0052] [0052] Referring, in addition to FIG. 6 and FIG. 7, the rear damping unit 28 includes a damping cylinder 61, a secondary tank 62 that is connected to damping cylinder 61 so that hydraulic oil can flow between it and damping cylinder 61, and an adjustment mechanism 63 that is disposed between the damping cylinder 61 and the secondary tank 62, the adjustment mechanism 63 that has at least two operating elements, that is, first and second operating elements 64 and 65 in this embodiment, and the damping force is adjusted in response to the operation of these operating elements 64 and 65.
[0053] [0053] The damping cylinder 61 includes a cylinder body 66 that extends in the vertical direction and a piston rod 67 that extends impermeable to liquid through a lower end part of the cylinder body 66 and protrudes from downwardly from the cylinder body 66. An upper mounting part 68 is provided integrally with an end portion (an upper end portion in this embodiment) of the cylinder body 66. On the other hand, a lower mounting part 69 is provided in an end part, that is, a lower end part of piston rod 67. That lower mounting part 69 is connected to a front end part of the connecting arm 55 on the connecting mechanism 27 via a fourth axis connector 70, which is parallel to the support axis 25.
[0054] [0054] Furthermore, a spiral spring 73 surrounding the cylinder body 66 and piston rod 67 is supplied in a compressed state between an upper spring receiving part 71 provided in an upper part of the cylinder body 66 and a part lower spring receiver 72 provided on a lower part of piston rod 67, the spiral spring 73 which applies an initial load to the damping cylinder 61.
[0055] [0055] On the other hand, of the left arm part 51 and the right arm part 52 of the swing arm 24, portions positioned in front of the lower support 57 are provided integrally with the upper supports 74 and 74 that project above the arm parts 51 and 52. The upper mounting part 68 at the upper end of the cylinder body 66 is connected to the upper supports 74 through a fifth connecting axis 75, which is parallel to the supporting axis 25.
[0056] [0056] A part of a housing tube with bottom 76 is provided integrally and connected to the cylinder body 66, which houses the adjustment mechanism 63, which has an operating face 78 on the upper end part which has the first and according to operating elements 64 and 65 disposed thereon, and which is disposed at the rear of the cylinder body 66. The secondary tank 62 extending in the forward and backward direction towards the rear of the housing tube part 76 is provided , integrally and connected, in the housing tube part 76. That is, the cylinder body 66, the housing tube part 76, and the secondary tank 62 are supplied integrally and connected. In addition, an upper half of the secondary tank 62 extending in the forward and backward direction is subjected to a polishing treatment as shown by dots in FIG. 2, FIG. 3 and FIG. 5 to FIG. 7.
[0057] [0057] The housing tube part 76 is arranged so as to have a geometric axis C2 which is curved to the left only by an angle α (for example, 30 degrees) relative to a geometric axis C1 of the damping cylinder 61 which extends in the vertical direction so that the opening part 77 at the upper end faces the obliquely outward position. The adjustment mechanism 63 is housed within the housing tube part 76 so that the operating face 78 which has the first and second operating elements 64 and 65 arranged therefrom is provided in the opening part 77, and the face of operation 78 is arranged so as to be tilted which faces obliquely upwardly to the outside on the left side.
[0058] [0058] In this way, the geometric axis C2 of the housing tube part 76 is arranged so that it is tilted to the left, that is, towards the side stand 47, which is arranged at the bottom of the left articulation frame 15 of the vehicle body structure F, and the first and second operating elements 64 and 65 arranged on the operating face 78 arranged in the opening part 77 at the upper end of the housing tube part 76 can thus be operated from from the obliquely upward position on the outside on the left side.
[0059] [0059] In FIG. 8, an inner tube 81 is axially inserted and fixed within the cylinder body 66, the inner tube 81 forming an annular external flow path 82 between it and the inner periphery of the cylinder body 66. A piston 83 attached to the piston rod 67 is slidably regulated in the inner tube 81, and an oil chamber on the piston side 84 and an oil chamber on the rod side 85 separated from one another by piston 83 are formed inside the inner tube 81. A plurality of communication holes 86 through which the external flow path 82 communicates with the oil chamber on the rod side 85 are provided in the inner tube 81.
[0060] [0060] Adjustment mechanism 63 is formed by providing a damping force adjustment valve on the compression side 91, a check valve on the compression side 92, a damping force adjustment valve on the extension side 93 , and a check valve on the extension side 94 in a support 90. The support 90 is housed within the housing tube part 76 while forming, between it and the housing tube part 76, a first common flow path annular extension-compression 87 that communicates with the piston-side oil chamber 84, a second common flow path extension-compression 88 that communicates with the external flow path 82 connected to the rod-side oil chamber 85 through of communication orifices 86, and a third flow path with annular extension-compression 89 connected to the secondary tank 62. The damping force adjustment valve on the compression side 91 is arranged between the first and the third path common extension-compression flow rates 87 and 89. The compression side check valve 92 is arranged between the second and third common extension-compression flow paths 88 and 89 while allowing flow only from the common extension-flow path compression 89 towards the second extension-compression 88 common flow path. The extension-side damping force adjustment valve 93 is arranged between the second and third common extension-compression flow paths 88 and 89. The valve extension-side retainer 94 is arranged between the first and third common extension-compression flow paths 87 and 89 while allowing flow only from the third extension-compression common flow path 89 towards the first extension-compression path common extension-compression flow 87.
[0061] [0061] The interior of the secondary tank 62 is divided into an air chamber 96 and an oil holding chamber 97 by means of a bladder 95, and the third extension-compression flow path 89 of the adjustment mechanism 63 communicates with the oil retention chamber 97.
[0062] [0062] In such a rear damping unit 28, during the stroke of the compression side of the damping cylinder 61, the hydraulic oil flows as shown by the solid line arrows in FIG. 8. Due to the hydraulic oil in the oil chamber on the piston side 84, whose oil pressure has increased, which flows from the first extension-compression common flow path 87 of the adjustment mechanism 63 to the third extension common flow path -compression 89 through the damping force adjustment valve on the compression side 91, a damping force on the compression side is generated. The hydraulic oil of the compression-side damping force adjustment valve 91 is divided in two by means of the third extension-compression flow path 89, some hydraulic oil flows from the compression-side check valve 92 to the oil chamber on the rod side 85 through the second extension-compression flow path 88, the external flow path 82, and the communication ports 86, and the rest of the hydraulic oil flows into the oil holding chamber 97 inside the secondary tank 62.
[0063] [0063] In addition, during travel on the extension side of the damping cylinder 61, hydraulic oil flows as shown by the current line arrows in FIG. 8. Due to the hydraulic oil in the oil chamber on the rod side 85, the oil pressure of which has increased, which flows into the second flow path with extension compression 88 of the adjustment mechanism 63 through the communication ports 86 and the flow path external 82 and from the second extension-compression common flow path 88 to the third extension-compression common flow path 89 through the extension side damping force adjustment valve 93, an extension side damping force is generated. In the third extension-compression flow path 89, the hydraulic oil from the damping force adjustment valve on the extension side 93 and the hydraulic oil from the oil retention chamber 97 of the secondary tank 62 are combined and flow from the valve. extension side 94 holding valve for piston side oil chamber 84 through the first extension-compression common flow path 87.
[0064] [0064] The damping force adjustment valve on the compression side 91 and the damping force adjustment valve on the extension side 93 in the adjustment mechanism 63 are formed from damping force generation valves 91a and 93a which generate a damping force and variable holes 91b and 93b which allow operating elements 64 and 65 to freely adjust the damping force. The first operating element 64 can adjust the degree of opening of the variable orifice 91b of the damping force adjustment valve on the compression side 91, that is, the damping force on the compression side of the damping cylinder 61. The second element of operation 65 can adjust the degree of opening of the variable orifice 93b of the damping force adjustment valve on the extension side 93, that is, the damping force on the extension side of the damping cylinder 61.
[0065] [0065] Referring again to FIG. 2, the first and second operating elements 64 and 65 of the adjustment mechanism 63 are arranged so that they face a region A bounded by the left seat frame 16 that forms part of the vehicle body structure F, the stirrup support of the rear seat 35 mounted on the seat frame 16, and the swing arm 24 when the two-wheeled motor vehicle is viewed from the left side, and the operating face 78 is arranged so that it is tilted obliquely upwards to the outside on the left side, making it possible, therefore, to operate the first and second operating elements 64 and 65, which faces region A, from the obliquely upward position on the outside on the left side.
[0066] [0066] Furthermore, as clearly shown in FIG. 2 and FIG. 5, the first and second operating elements 64 and 65 are arranged at the rear of the upper support 74 provided integrally with the arm parts 51 and 52 of the swing arm 24, and below the upper end of the upper support 74.
[0067] [0067] Furthermore, as shown in FIG. 5, an inclined part 98 is formed at the upper end of the secondary arm 51b on the left arm part 51, which is one of the pair of left and right arm parts 51 and 52 of the swing arm 24, in a portion positioned at the rear of the support upper part 74, the inclined part 98 is angled upwards towards the rear from the lower end of the upper support 74. The first and second operating elements 64 and 65 are arranged so that they face a recess 99 formed between the part bottom of the top support 74 and the angled part 98 when viewed from the side.
[0068] [0068] The rear fender 46 is disposed above the swing arm 24 and between the pair of left and right seat frames 16, and a housing recess 100 is formed on a lower face of the rear fender 46 as shown in FIG. 5, the housing recess 100 which houses the upper part of the damping cylinder 61, the upper part of the adjustment mechanism 63 including the first and second operating elements 64 and 65, and the secondary tank 62 when the swing arm 24 is completely inflected.
[0069] [0069] In addition, an anti-lock brake control module 101 is arranged inside the rear fender 46 at the rear of the housing recess 100.
[0070] [0070] A groove part 102 that extends in the forward and backward direction is formed on an upper face of a central part in the vehicle width direction of the cross member part 53 provided integrally with the swing arm 24. When viewed from the rear, as shown in FIG. 4, part of the secondary tank 62, an upper end part of the damping cylinder 61, and an upper end part of the adjustment mechanism 63 including the first and second operating elements 64 and 65 are arranged within the width of the groove part 102.
[0071] [0071] Furthermore, a cover 104 that has a groove part 103 in communication with the groove part 102 is attached to a rear part of the cross member part 53 by means of a screw member 105 in order to cover the from below, a portion of the secondary tank 62 projecting out of the cross member part 53 towards the rear.
[0072] [0072] In FIG. 9, an operating template 107 prepared for when operating the first and second operating elements 64 and 65 is formed from a handle portion 107a for an operator to hold and an operating portion 107b connected to the handle portion 107a via a angle so as to exert an operating force on the first and second operating elements 64 and 65. The operating portion 107b can engage with locking slots 64a and 65a (see FIG. 6) provided on the first and second operating elements 64 and 65 respectively.
[0073] [0073] The operation of this modality is now explained. Since the cylinder body 66 of the damping cylinder 61 in the rear damping unit 28, the bottom housing tube part 76 that houses the adjustment mechanism 63 and the secondary tank 62 are supplied integrally and connected, it is unnecessary employ a mounting member exclusively used to mount the adjustment mechanism 63 on the vehicle body, and the rear damping unit 28 can be arranged in a compact manner.
[0074] [0074] Furthermore, the supports of the rear seat stirrup 35 have been provided in the stirrups of the rear seat 36 for a passenger to place their feet are mounted on the seat frames 16 arranged above the swing arm 24, the first and second operating elements 64 and 65 of the adjustment mechanism 63 are arranged so that they face the region A delimited by the seat frame 16, the support of the rear seat stirrup 35 and the swing arm 24 when viewed from the left side of the motor vehicle. two wheels, and the operating face 78 which has the first and second operating elements 64 and 65 arranged thereon is arranged so as to be tilted obliquely upwards so that the first and second operating elements 64 and 65 can be operated from the obliquely above position on the outside, thus making it possible to arrange the adjustment mechanism 63 with good space efficiency while allowing it to be easily operated from the outside.
[0075] [0075] Furthermore, the adjusting mechanism 63 has at least the first operating element 64 for adjusting the damping force on the compression side of the damping cylinder 61 and the second operating element 64 for adjusting the damping force in the extension side of the damping cylinder 61, and these operating elements 64 and 65 are arranged so that they face the region A and can be operated from the obliquely above position on the outside, thus making it possible to adjust easily at least the damping force on the compression side and the damping force on the extension side through a position of the adjustment mechanism 63.
[0076] [0076] In addition, the swing arm 24 has a pair of left and right arm parts 51 and 52 arranged on opposite sides left and right of the rear wheel WR and one connected to the other, the upper supports 74 for mounting the upper end of the damping cylinder 61 are provided integrally with the left and right arm parts 51 and 52 in order to project above the arm parts 51 and 52 when viewed from the side, and the first and second operating elements 64 and 65 are arranged at the rear of the upper supports 74 and below the upper end of the upper supports 74, thus making it possible, therefore, to easily ensure that there is space to dispose the first and second operating elements 64 and 65 in the vicinity of the swing arm 24 and thus make it possible , the first and second operating elements 64 and 65 are arranged with good space efficiency.
[0077] [0077] Furthermore, the inclined part 98, which is tilted upwardly to the rear from the lower end of the upper support 74, is formed at the upper end of the secondary arm 51b of the left arm part 51, which is one of the left and right arm parts 51 and 52, in a portion positioned at the rear of the upper supports 74, and the first and second operating elements 64 and 65 are arranged so that they face the recess 99 formed between the lower part of the support upper 74 and the inclined part 98 when viewed from the side, making it possible, therefore, to arrange the first and second operating elements 64 and 65 with better space efficiency as far as it guarantees the rigidity of the swing arm 24.
[0078] [0078] The rear fender 46 is disposed above the swingarm 24 and between the pair of left and right seat frames 16, and the housing recess 100 which houses the upper part of the damping cylinder 61, the first and second operating elements 64 and 65, and the secondary tank 62 when the swing arm 24 is fully flexed is formed on the underside of the rear fender 46, thus making it possible to arrange the rear fender 46 and the rear damping unit 28 with good space efficiency relative to each other while ensuring the function of the rear fender 46 and thereby protecting the rear damping unit 28.
[0079] [0079] Furthermore, since the anti-lock brake control module 101 is arranged inside the rear fender 46 at the rear of the housing recess 100, it is possible to arrange the anti-lock brake control module 101 with good efficiency and good balance weight in a position where it does not interfere with the rear cushion unit 28 when fully flexed, while using the placement of the rear cushion unit 28 with good space efficiency.
[0080] [0080] The housing tube part 76 which houses the adjustment mechanism 63 which has the operating face 78 in the upper end part is arranged so that the C2 geometry axis is curved to the left relative to the cylinder C1 geometry axis damping element 61 extending in the vertical direction so as to make the opening part 77 on the face of the upper end obliquely to the outside, and the adjustment mechanism 63 is housed within the housing tube part 76 so that the face of operation 78, which has the first and second operating elements 64 and 65 arranged therein, is placed in the opening part 77, thus making it possible to operate the first and second operating elements 64 and 65 from the side of the two-wheeled motor vehicle. wheels while avoiding any increase in the width of the rear damping unit 28 in the vehicle width direction.
[0081] [0081] Furthermore, since the sidestand 47 is supported on the left side of the vehicle body structure F, and the first and second operating elements 64 and 65 are arranged so as to be tilted towards the side of the sidestand 47 , it is possible to easily operate the first and second operating elements 64 and 65 due to the vehicle body being tilted in a state in which it is stopped while resting on the side stand 47.
[0082] [0082] The swing arm 24 has integrally the left and right arm parts pair 51 and 52 disposed on opposite left and right sides of the rear wheel WR and the cross member part 53 connecting the front parts of the arm parts 51 and 52, and part of the secondary tank 62, the upper end part of the damping cylinder 61 and the first and second operating elements 64 and 65 are arranged within the width, when viewed from the rear, of the groove part 102 which is formed on the upper face of the central part, in the vehicle width direction, of the cross member part 53 and extends in the forward and backward direction, therefore, making it possible to arrange the rear damping unit 28 in a compact manner so as to protect it by means of the swing arm 24 while ensuring the rigidity of the swing arm 24.
[0083] [0083] Furthermore, the operating template 107 for operating the first and second operating elements 64 and 65 is formed from the handle portion 107a for an operator to hold and the operating portion 107b connected to the handle portion 107a through from an angle so as to exert an operating force on the first and second operating elements 64 and 65, thereby making it possible to exert an operating force on the first and second operating elements 64 and 65 from the operating portion 107b in a state where the handle portion 107a is held substantially horizontally as shown in FIG. 7, thereby making it easier to operate the first and second operating elements 64 and 65, which can be operated from the above obliquely position.
[0084] [0084] In addition, since an upper half of the secondary tank 62 arranged to extend in the forward and backward direction is subjected to a polishing treatment, it is possible to improve the appearance of a portion, exposed to the outside, of the secondary tank 62 while improving cost efficiency when compared to a case where the entire outer periphery undergoes a polishing treatment.
[0085] [0085] One embodiment of the present invention is explained above, but the present invention is not limited to the above embodiment and can be modified in a variety of ways as long as the modifications do not depart from the spirit and scope of the same.

权利要求:
Claims (11)
[0001]
Two-wheel motor vehicle in which a rear shock absorber unit (28) is provided between a vehicle body structure (F) and a swing arm (24), the rear shock absorber unit (28) comprising a damping cylinder (61) having an end part connected to the swing arm (24) that axially supports a rear wheel (WR) through a rear end part and is oscillatingly supported on the vehicle body structure (F), a secondary tank (62) that is connected to the damping cylinder (61) in order to allow hydraulic oil to flow between the secondary tank (62) and the damping cylinder (61), and an adjustment mechanism (63) that it has an operating element (64, 65) and is arranged between the damping cylinder (61) and the secondary tank (62) in order to be able to adjust a damping force in response to an operation of the operating element (64, 65 ), where a rear seat stirrup (35) is mounted on a seat frame (16) that forms part of the vehicle body structure (F) and is arranged above the swingarm (24), and a rear seat stirrup (36) so that a passenger's foot can be placed is provided in the support of the rear seat stirrup (35), characterized by the fact that a cylinder body (66) of the damping cylinder (61), a part of the bottom housing tube (76) which houses the adjustment mechanism (63) which has a face on an upper end part operating (78) in which the operating element (64, 65) is arranged and the secondary tank (62) are supplied integrally and connectable, and the operating face (78) is arranged so that it is slanted upwards so that the operating element (64, 65) facing a region (A) bounded by the seat frame (16), the the rear seat stirrup support (35) and the swing arm (24) when viewed from the side, can be operated obliquely upwards on the outside.
[0002]
Two-wheel motor vehicle according to claim 1, characterized in that the adjustment mechanism (63) comprises at least one first operating element (64) for adjusting a damping force on the compression side of the damping cylinder (61) and a second operating element (65) for adjusting a damping force on the extension side of the damping cylinder (61), and the operating elements (64, 65) are arranged to face the region (A) and are operable from above in an oblique way on the outside.
[0003]
Two-wheel motor vehicle according to claim 1, characterized by the fact that the swing arm (24) comprises a pair of arm parts (51, 52) which are arranged on opposite sides of the left and right rear wheels (WR ) and are connected to each other, a support (74) is provided integrally with the arm parts (51, 52) so as to project above the arm parts (51, 52) when viewed from the side, an upper end of the damping cylinder (61) which is mounted on the support (74) and the operating element (64, 65) is arranged at the rear of the support (74) and below the upper end of the support (74).
[0004]
Two-wheel motor vehicle according to claim 1, characterized by the fact that an inclined part (98) which is tilted upwards to the rear from a lower end of the support (74) is formed at an upper end of one of the two arm parts (51, 52) in a portion positioned at the rear of the support (74), and the operating element (64, 65) is arranged so that it faces a recess (99) formed between a lower part of the support (74) and the inclined part (98) when viewed from the side.
[0005]
Two-wheel motor vehicle according to claim 1, characterized by the fact that a rear fender (46) is arranged above the swing arm (24) and between a pair of left and right seat frames (16), and a housing recess (100) is formed on a lower face of the rear fender (46), the housing recess (100) being configured to accommodate an upper part of the damping cylinder (61), of the operation (64, 65) and the secondary tank (62) when the swing arm (24) is fully flexed.
[0006]
Two-wheel motor vehicle according to claim 5, characterized by the fact that an anti-lock brake control module (101) is arranged on the rear fender (46) up to the rear of the housing recess (100).
[0007]
Two-wheeled motor vehicle according to claim 1, characterized in that the housing tube part (76) is arranged so as to have an inclined geometry axis in relation to a damping cylinder axis (61), extending in the vertical direction, while an opening part (77) at an upper end of the housing tube part (76) is slanted outwardly, and the adjustment mechanism (63) is housed in the housing tube part (76) so that the operating face (78) is positioned in the opening part (77), the operating element (64, 65) being arranged on the operating face (78).
[0008]
Two-wheel motor vehicle according to claim 1, characterized by the fact that a side stand (47) is supported on one of the right and left sides of the vehicle body structure (F), and the operating element ( 64, 65) is arranged on the side resting side in an inclined manner.
[0009]
Two-wheeled motor vehicle according to claim 1, characterized in that the swing arm (24) integrally comprises a pair of arm parts (51, 52) disposed on opposite sides of the left and right rear wheel (WR) and a cross member part (53) connecting the front parts of the arm parts (51, 52), a groove part (102) extending in the forward and backward direction is formed on an upper face of a central part of the cross member part (53) in the vehicle width direction, and a part of the secondary tank (62), an upper end part of the damping cylinder (61) and the operating element (64, 65) are arranged in the width of the groove part (102) when viewed from the rear.
[0010]
Two-wheel motor vehicle according to claim 1, characterized by the fact that the operating element (64, 65) is configured to be operated by an operating template (107), and the operating template (107) comprises a handle portion (107a) for an operator to pick up and an operating portion (107b) connected to the handle portion (107a) at an angle, the operating portion (107b) being configured p exert an operating force on the operating element (64, 65).
[0011]
Two-wheeled motor vehicle according to claim 1, characterized by the fact that an upper half of the secondary tank (62) arranged to extend in the forward and backward direction is subjected to a polishing treatment.

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同族专利:

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法律状态:
2018-12-11| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|

2019-11-19| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|

2020-12-01| B09A| Decision: intention to grant|

2021-01-26| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 25/05/2012, OBSERVADAS AS CONDICOES LEGAIS. |

优先权:

申请号 | 申请日 | 专利标题

JP2011122832|2011-05-31|

JP2011-122832|2011-05-31|

PCT/JP2012/063486|WO2012165332A1|2011-05-31|2012-05-25|Two-wheeled motor vehicle|

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