• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A pedal assembly comprising a support (10) comprising a surface of rotation (11) about an axis of rotation (XX '), a pedal (20) comprising a lever (21) that pivots about the axis of rotation (XX '), and at least one torsion spring (30) of return pedal (20), comprising a first end (31) coupled to the support (10), a second end (32) coupled to the lever (21) , and a central body (33) wound on an element of the pedal (20) that is supported on the surface of rotation (11) and pivoted with respect to the support (10). The first end (31) is coupled to the support (10) by contact with a support element (12) of the support (10), pivoting the torsion spring (30) with respect to the support element (12) when the lever (21) pivots by the action of a force (Fu) exerted by a user. (Machine-translation by Google Translate, not legally binding)
    公开号:ES2654385A1
    申请号:ES201631095
    申请日:2016-08-12
    公开日:2018-02-13
    发明作者:Egoitz GOICURIA ASTORQUIA；Fernando Burguera Albizuri
    申请人:Batz S Coop Ltda；
    IPC主号:
    专利说明:

    5 “Pedal assembly for motor vehicles”
    SECTOR OF THE TECHNIQUE
    The present invention relates to pedal assemblies for motor vehicles.
    PREVIOUS STATE OF THE TECHNIQUE
    15 Pedal assemblies are known, in particular, acceleration pedal assemblies where hysteresis has been incorporated to maintain the behavior or sensation of the vehicle user with mechanical accelerators. The hysteresis function is mainly based on introducing a mechanism that ensures a controlled and stable friction during the life cycle of the acceleration pedal assembly. Especially,
    20 Some of the manufacturers of motor vehicles require a hysteresis proportional to the force of the return springs, in order to ensure that the acceleration pedal always returns to its resting position.
    EP1153785A1 describes a pedal assembly for motor vehicles, comprising
    25 a support comprising a rotation surface around a rotation axis, a pedal comprising a lever that pivots with respect to said support around the rotation axis, and two pedal return torsion springs. Each torsion spring comprises a first end coupled to the support, a second end coupled to the pedal lever, and a central body wound on a pedal element. Said element
    Pedal 30 is supported on the rotating surface and pivots with respect to the support. The first end of each torsion spring is retained in the support and the second end of each spring is retained in the pedal lever.


    EXHIBITION OF THE INVENTION
    The object of the invention is to provide a pedal assembly for motor vehicles, as defined in the claims.
    The pedal assembly for motor vehicles of the invention comprises a support comprising a rotation surface around a rotation axis, a pedal comprising a lever that pivots with respect to said support around the rotation axis, and at least one spring torque return pedal. The torsion spring comprises a first end coupled to the support, a second end coupled to the pedal lever, and a central body wound on a pedal element, the pedal element resting on the rotating surface and pivoting said element with respect to to the support.
    The first end of the torsion spring is coupled to the support by contact with a support element of the support, such that the torsion spring pivots with respect to the support element when the lever pivots from a rest position by action of a force exerted by a user. When the lever pivots the first end of the torsion spring pivots, the central body of said torsion spring moves and presses against the pedal element, generating a reaction force between said pedal element and the rotating surface of the support in the which is supported, and thus increased the frictional force between said pedal element and said rotating surface of the support, thereby producing a hysteresis in the pedal assembly.
    These and other advantages and features of the invention will become apparent in view of the figures and the detailed description of the invention.
    DESCRIPTION OF THE DRAWINGS
    Figure 1 shows a perspective view of an embodiment of the pedal assembly of the invention in the rest position.
    Figure 2 shows a perspective view of the pedal assembly of Figure 1 in a


    drive position.
    Figure 3 shows a perspective view of the exploded view of the pedal assembly of figure
    one.
    Figure 4 shows a front view of the pedal assembly of Figure 1.
    Figure 5 shows a front view of the pedal lever and a torsion spring mounted on said pedal lever of the pedal assembly of Figure 1.
    Figure 6 shows a perspective view in section according to line VI-VI of the pedal assembly of figure 1, seen from below.
    Figure 7 shows a perspective view of the exploded view of a second embodiment of the pedal assembly.
    Figure 8 shows a perspective sectional view of the pedal assembly of Figure 7 seen from below, along a section line similar to that used in the pedal assembly of Figure 1.
    Figure 9 shows a detailed front view of the rotating surface of the support with a bearing mounted, of the pedal assembly of Figure 7.
    DETAILED EXHIBITION OF THE INVENTION
    Figure 1 shows a perspective view of an embodiment of the pedal assembly 100 of the invention, in particular an acceleration pedal assembly 100, in a rest position, that is, without the user of the motor vehicle being applied load on the pedal 20 of said pedal assembly 100. This means that the user is not stepping on a pedal arm 25 of said pedal 20. Figure 2 shows a perspective view of the pedal assembly 100 of Figure 1, in a position of actuation, that is, with the pedal arm 25 fully depressed, and Figure 3 shows a perspective view of the exploded view of the


    pedal assembly 100 of Figure 1, with the components that are part of the invention.
    Figure 4 shows a front view of the pedal assembly 100 of Figure 1, Figure 5 shows a front view of the pedal lever 21 of the pedal 20, and a torsion spring 30, mounted on said pedal lever 21, of the pedal assembly 100 of Figure 1, and Figure 6 shows a perspective view in section according to line VI-VI of the pedal assembly 100 of Figure 1, seen from below.
    The pedal assembly 100 of the invention comprises a support 10 comprising a rotation surface 11 about a rotation axis XX ', a pedal 20 comprising a lever 21 pivoting with respect to said support 10 around the rotation axis XX ', and at least one torsion spring 30 of return of the pedal 20. The torsion spring 30 comprises a first end 31 coupled to the support 10, a second end 32 coupled to the lever 21 of the pedal 20, and a central body 33 wound on a pedal element 20, the pedal element 20 resting on the rotating surface 11 and pivoting said element with respect to the support 10.
    Contrary to what happens in the state of the art, the first end 31 of the torsion spring 30 is not retained in the support 10, but is coupled to the support 10 by contact with a support element 12 of the support 10. This it allows the torsion spring 30 to pivot with respect to the support element 12 when the lever 21 pivots from a rest position by the action of a force Fu exerted by a user. Thus, when the lever pivots from the rest position shown in Figure 1, the first end 31 generates a reaction force Fm on the support element 12 and the central body 33 of the torsion spring 30 presses against the element of the pedal 20 generating a reaction force N and increasing the frictional force between said pedal element 20 and the rotating surface 11 of the support 10. In this way a hysteresis occurs in the pedal assembly 100.
    In a preferred embodiment, as in the two embodiments shown in the figures, the support element 12 is arranged, as seen by comparing figures 1 and 2, in a position such that the retaining element 22 of the second end 32 the torsion spring 30 moves away from said support element 12 when the lever 21 pivots from the rest position. This implies that in the embodiments shown in


    the figures the support element 12 is arranged in the upper part of the support 11.
    In a preferred embodiment, as in the two embodiments shown in the figures, the torsion spring 30 is prestressed when the lever 21 is in the rest position.
    In a preferred embodiment, as in the two embodiments shown in the figures, the pedal element 20 on which the central body 33 of the torsion spring 30 is wound is a curved surface 23 of the lever 21, and is the same lever 21 which rests directly on the rotation surface 11 of the support 10, the curved surface 23 of the lever 21 being coaxial with the rotation surface 11 of the support 10. In this way, additional elements are dispensed with, thus reducing the material, manufacturing and assembly costs.
    Reference will first be made to the first embodiment, shown in Figures 1 to 6. The support 10 in this embodiment has a general parallelepiped shape comprising a lateral recess. In this lateral hollow of the support 10 orthogonally, an axis protrudes from the wall that comprises the rotation surface 11. This rotation surface 11 is a cylinder whose longitudinal axis defines a rotation axis XX ’.
    The pedal 20 is formed, in addition to the lever 21, which is in this embodiment a piece with a substantially flat shape with ribs to give structural rigidity, a pedal arm 25 with a plate shape, which is where the user steps on the foot and applies a load or force, and is pivotally coupled to the support 10 by means of an axis 26, and a U-shaped connecting rod 27, which is attached at one end to the pedal arm 25, and in the another end to the lever 21 at a junction point 24. One end of the lever 21 ends at a vertex, where the junction point 24 that allows the connection with the connecting rod 27 is arranged, and gradually widens in shape of V when it approaches the other end of the lever 21. This other end of the lever 21 ends in a hollow cylinder with the curved surface 23 orthogonally traversing the flat piece, and having a curved side surface, on both sides of the flat lever surface 21. Said hollow cylinder has an opening at one end, and is blind at the other end. The opening of the end of the hollow cylinder of the lever 21, allows the lever 21 to fit with a certain clearance on the shaft with the rotating surface 11 of the support 10, so that


    said lever 21 can pivot with respect to the support 10 on the rotation surface 11 and around the axis of rotation XX ’.
    The pedal assembly 100 comprises in this embodiment two torsion springs 30. The pedal assembly 100 also comprises two stops 13 and 14, which are two cylindrical parts, in this embodiment, which once mounted on the support 10 define the position of rest and the position of maximum rotation of the pedal 20, which is the actuation position of said pedal 20 when the pedal arm 25 is fully depressed.
    The base of the assembly of the pedal assembly 100 is the support 10. Once the stops 13 and 14 are mounted on the support 10, the central bodies 33 of the torsion springs 30 are mounted on the lever 21 of the pedal 20, on the surface curved 23 of the hollow cylinder, one on each side of the flat part of said lever 21. The assembly formed by the lever 21 and the two torsion springs 30 mounted on said lever 21, is mounted on the shaft with the rotating surface 11 of the support 10, the hollow cylinder of the lever 21 engaging said rotation surface 11. The first end 31 of each of the torsion springs 30 is coupled to the support 10 in a support element 12, and the second end 32 of said torsion springs 30 are coupled to the lever 21 in two respective retaining elements 22, located one on each side of the flat part of the lever 21, orthogonally, and close to the hollow cylinder of said lever 21. The first end 31 of the torsion springs 30 has a shape, in this embodiment, elongated and straight that engages the contact element 12 by contact, relying on a vertex 16 of said support element 12. This support element 12 has, in this embodiment, a triangular shape with the base on the wall of the support 10, and with a central wall that ends at vertex 16, where the first two ends 31 of the torsion springs 30 are supported. The second end 32 of the torsion springs 30 has a semicircular shape which is engaged by engaging in the lateral cylindrical wall of the retaining elements 22 of the lever 21.
    Finally, the connecting rod 27 is mounted on the pedal arm 25 and at the connection point 24 of the lever 21, and in turn the pedal arm 25 is mounted on the support 10 by the axis
    26. In this embodiment of the pedal assembly 100, it can be said that the support element 12 of the support 10 is located in the upper part and internal to the lateral recess of said support 10, taking into account that the lower part of said support 10 it is fixed to the floor and / or to a wall of the motor vehicle where said pedal assembly is installed


    100. Thus, the connecting rod 27 of the pedal 20 joins the attachment point 24 of the lever 21 from said upper part of the support 10, the stop 13 of the pedal assembly 100 being arranged on said upper part, and the stop 14 at the bottom, inside the lateral hollow of the support 10.
    In the pedal assembly 100 the central body 33 of the torsion springs 30 is arranged around the curved surface 23 of the hollow cylinder of the lever 21, the reaction force of the spring being applied at the first end 31 of said torsion springs 30 Fm, due to the reaction force produced with the support element 12. And at the second end 32 of the torsion springs 30 a force of the user Fu is applied, derived from the application of said force at the junction point 24 of the lever 21. However, the second end 32 of the torsion springs 30 is retained in the support element 22, and cannot be moved relative to said support element 22, and the first end 31 is simply supported at the vertex 16 of the support element 12, and said support allows said first end 31 to have both a linear displacement and a pivot with respect to said vertex 16, when the force of the user Fu is applied, and the lever 21 ro t with respect to the axis of rotation XX ’. This results in the central body 33 of the torsion springs being able to move in response to the force of the user Fu exerted, moving the hollow cylinder of the lever 21 against the rotating surface 11, producing a reaction force between both surfaces in Contact. This does not occur in pedal assemblies with torsion springs in which the two ends of said torsion springs are retained and cannot be moved relative to their respective anchors, the central body of said torsion springs not being able to move, being able to move only compressed concentrically around the rotating surface 11 of the support.
    Once the pedal assembly 100 is mounted, and while at rest, due to the reaction force of the spring Fm, a displacement of the central body 33 of the torsion springs 30 occurs, the internal surface of the central body 33 of the torsion springs 30 rests directly on the curved surface 23 of the hollow cylinder, and the inner part of the hollow cylinder of the lever 21 rests directly on the rotating surface 11 of the support 10, generating a resultant reaction force N between the rotating surface 11 and the contact surface of the hollow cylinder. In this way there are no intermediate elements between the rotating surface 11 and the lever 21.


    Due to the force exerted by the first ends 31 of the torsion springs 30 on the support element 12, which is the reaction force of the spring Fm, the rotation surface 11 and the contact surface of the hollow cylinder of the lever 21 they are in contact in a contact area 28 which comprises an angular arc ϴ of the axis circumference
    11. In this contact zone 28 the resulting reaction force N is produced, as a result of the reaction forces that occur in the angular arc ϴ of said contact zone 28, as shown in Figure 5. In said Figure shows the assembly formed by the lever 21 with the torsion springs 30 mounted, displaying the reaction forces that occur in said assembly, that is, the reaction force of the spring Fm, the resulting reaction force N, and the force of the user Fu applied at the junction point 24 of the lever 21, the direction of the force of the user Fu coinciding with the direction of the tie rod 27, the force or load applied by the connecting rod 27 being applied on said tie rod 27 user on the pedal arm 25.
    In this way, initially, at rest, there is a tightening, and therefore a resultant reaction force N between the rotating surface 11 of the support 10 and the curved surface 23 of the hollow cylinder of the lever 21. When the user steps on the arm pedal 25 and transmits the force of the user Fu to the lever 21, said lever rotates on the rotating surface 11, the first end 31 of the torsion springs 30 can move and pivot with respect to the vertex 16 of the support element 12, with a greater displacement of the central body 33 of the torsion springs 30 progressively occurring with the rotation, and the resultant reaction force N progressively increasing. The relationship between a normal reaction force between two surfaces in contact, and the force of friction Fr that is generated when both surfaces move with relative motion. Said system defines a coefficient of friction μ between both surfaces, and the friction force is given by the formula:
    Fr = N * μ
    When the user steps on the pedal arm 25 progressively the frictional force Fr increases between the contact surface of the hollow cylinder of the lever 21 and the rotation surface 11 of the support 10, and when the pedal arm 25 stops stepping on, and due to the torsion springs 30 the pedal 20 returns to the rest position, it is generated


    a frictional force Fr, and therefore an increasing and decreasing hysteresis, which is a function of the resulting reaction force N.
    As the pedal assembly 100 has been described, the support element 12 of the support 10 is arranged, in this embodiment, on the upper part of the support 10, and the first end 31 of the torsion springs 30, which is elongated and straight, it emerges tangentially from the curved surface 23 of the hollow cylinder of the lever 21, towards one side of the support 10 where the support element 12 is located, on one side of the axis of rotation XX 'of the axis 11. The junction point 24 of the lever 21 is disposed at one end of the lever 21, opposite to the location of the support element 12 with respect to the axis of rotation XX 'of the axis 11 of the support 10. The contact area 28, between the rotation surface 11 and the curved surface 23 of the hollow cylinder of the lever 21 where the resulting reaction force N is produced, and therefore the frictional force Fr, is arranged towards the side of the support 10 where the support element 12 is located, said contact area 28 more next to the user load application area on pedal arm 25 of pedal 20.
    Of the arrangement of the support element 12 of the support 10 and the support of the first end 31 of the torsion springs 30 in said support element 12, and of the attachment point 24 of the lever 21 in the pedal assembly 100, on sides Opposite with respect to the axis of rotation XX ', as well as the position of the contact area 28, a ratio R = a / z is obtained that allows calculating a hysteresis that meets the requirements of the different manufacturers of motor vehicles, and the different vehicle models of these manufacturers.
    The resulting reaction force N is calculated based on said ratio R = a / z, where:
    - "A" is the distance between a force direction line E1 that defines the direction of force of the user Fu and a direction line of axis E2 that passes through the axis of rotation XX 'and is parallel to the axis of force E1, Y
    - "Z" is the distance between a support direction line E3 that defines a longitudinal direction of the central wall of the support element 12, and coincides with the direction of the reaction force Fm of the spring in the support element 12, and an axis direction line E2 'passing through the axis of rotation XX' and is parallel to the bearing direction line E3, as shown in Figure 5.


    If we make a sum of moments of torque on the axis of rotation XX ', and consider as axis of coordinates Y the axis that passes through the direction line of the resultant reaction force N, we will obtain a sum of moments corresponding to the components in X and Y of the reaction force of the spring Fm and the force of the user Fu, and finally we will obtain the resulting reaction force N as a function of the R ratio. To visualize it more simply, and as a particular case of the situation more In general, we will assume that the reaction force Fm of the spring, the force of the user Fu, and the resulting reaction force N are parallel. This means that the support of the first end 31 of the torsion springs 30 in the support element 12 is configured such that the direction line E3 of the reaction force of the spring Fm is parallel to the direction line Y of the resulting reaction force N, and in turn is parallel to the direction line E1 of the force of the user Fu, so that said forces will only have a Y component. The formulas corresponding to the sum of moments on the axis of rotation XX ' , and the sum of forces on the Y axis are:
    Fm * z = Fu * a, andN = Fm + Fu,
    from which it follows that the higher the ratio R = a / z, the greater the force resulting from reaction N, and therefore greater is the frictional force and hysteresis.
    It has been described above that two surfaces in contact define a coefficient of friction μ depending on the nature of said surfaces. In the embodiment of the pedal assembly 100 described, the support 10, and the rotation surface 11 manufactured integrally with said support 10, is made of thermoplastic material, in particular it is a polypropylene with fiberglass that is harder to wear. In turn, the lever 21 of the pedal 20, and therefore the hollow cylinder manufactured integrally with the lever 21, is made of another thermoplastic material, in particular POM with special additives that give it good properties for sliding and allows avoiding problems such as the "stickslip" or shaking movement, being a material less hard to wear than the material of the rotating surface 11, so that in the life cycles of the pedal assembly 100, it is the lever 21, softer, the one that wears more.


    Figure 7 shows a perspective view of the exploded view of a second embodiment of the pedal assembly 100 ’. Figure 8 shows a perspective sectional view of the pedal assembly 100 'of Figure 7 seen from below, along a section line similar to that used in the pedal assembly 100 of Figure 1, and Figure 9 shows a front detail view of the rotation surface 11 of the support 10 with a bearing 40 mounted, of the pedal assembly 100 'of Figure 7.
    This second embodiment of the pedal assembly 100 'differs from the first embodiment of the pedal assembly 100 in that it comprises a bearing 40, the remaining parts of the pedal assembly 100' being the same as the parts of the pedal assembly 100, except the rotating surface 11 of the support 10 having modifications to be able to couple the bearing 40, as will be described later.
    In this second embodiment of the pedal assembly 100 ’, as in the first embodiment of the pedal assembly 100, the support 10 protrudes from the wall, orthogonally, an axis. This axis is a cylinder whose longitudinal axis defines the axis of rotation XX ’. The bearing 40 is arranged coupled and fixed around the axis of the support 10, the rotating surface 11 of the support 10 being the outer lateral surface of the bearing 40. The contact surface of the lever 21 is directly supported on its inner part on the surface of rotation 11 of the bearing 40.
    It is very important in the invention that the surface on which it rests and rubs when rotating the contact surface of the lever 21 is fixed, so that both the noises that can be generated when the lever 21 of the pedal 20 is rotated, as the wear produced in the cycles that you perform in the life of the pedal assembly 100 'are controlled. Unlike pedal assemblies in which the bearing coupled to the support axis has a relative movement on said axis.
    For this, as described above, the bearing 40 of the pedal assembly 100 'is coupled and fixed to the axis of the support 10. To achieve this, the axis of the support 10 comprises on its outer side surface, in this embodiment, two housings 15 in the form of a channel that run through it, and are arranged in the circumference of the axis 11 'at 180 °. In turn, the bearing 40 comprises two ribs 41 protruding from the inner surface of said bearing 40 and running longitudinally, being arranged in the circumference of the bearing 40 to 180 °,


    and each rib 41 being housed in each housing 15 of the shaft when the bearing 40 is mounted and arranged surrounding the outer surface of the shaft of the support 10.
    In this second embodiment of the pedal set 100 ’described, the parts that are in
    5 contact and produce the desired friction are the bearing 40 and the lever 21 of the pedal 20. Thus, the bearing 40 is made of thermoplastic material, in particular it is POM with special additives that give it good properties for sliding and allows avoiding problems such as the "stick-slip". In turn, the lever 21 of the pedal 20, and therefore the hollow cylinder manufactured integrally with the lever 21 is made of another material
    10 thermoplastic, in particular is a polypropylene with fiberglass, which is harder to wear than the bearing material 40, so that in the life cycles of the pedal assembly 100, it is the softer bearing 40, which It wears more. At the same time, the support 10, and the shaft manufactured integrally with said support 10 is made of thermoplastic material, in particular it is a polypropylene with fiberglass. As the POM
    15 with additives or fillers is a more expensive material, it is used in the bearing 40 which is a smaller part than the support 10 and that the lever 21, so that costs are minimized.

    权利要求:
    Claims (14)
    [1]
    1. Pedal assembly for motor vehicles, comprising a support (10) comprising a rotating surface (11) around a rotation axis (XX '), a 5 pedal (20) comprising a lever (21) that pivots with respect to said support (10) around the axis of rotation (XX '), and at least one torsion spring (30) return of the pedal (20), the torsion spring (30) comprising a first end (31 ) coupled to the support (10), a second end (32) coupled to the lever (21) of the pedal (20), and a central body (33) wound on a pedal element (20), the element of the pedal being 10 (20) resting on the rotating surface (11) and pivoting said element with respect to the support (10), characterized in that the first end (31) of the torsion spring (30) is coupled to the support (10) by contact with a support element (12) of the support (10), such that the torsion spring (30) pivots with respect to the support element (12) when the blade nca (21) pivots from a rest position
    15 by the action of a force (Fu) exerted by a user, pressing the central body
    (33) on the pedal element (20) and generating a reaction force (N) between said element and the rotating surface (11) of the support (10) on which it is supported.
    [2]
    2. Pedal assembly according to claim 1, wherein the second end (32) of the
    Torsion spring (30) is retained in a retention element (22) of the lever (21), the support element (12) being arranged in a position such that the retention element (22) moves away from said element support (12) when the lever (21) pivots from the rest position.
    3. Pedal assembly according to claim 2, wherein the support element (12) comprises a vertex (16) on which the first end (31) of the torsion spring (30) is supported.
    [4]
    4. Pedal assembly according to any of the preceding claims, wherein the
    30 torsion spring (30) is prestressed when the lever (21) is in the rest position.
    [5]
    5. Pedal assembly according to any one of the preceding claims, wherein the
    lever (21) is supported on the rotating surface (11) of the support (10), and the central body (33) of the torsion spring (30) is wound on a curved surface

    (23) of the lever (21) which is coaxial with the rotating surface (11) of the support (10).
    [6]
    6. Pedal assembly according to claim 5, wherein the rotating surface (11) of the support (10) and the contact surface of the lever (21) with said surface of
    5 rotation (11) are made of thermoplastic materials of different hardness,preferably one of them in POM with loads and the other in polypropylene with fibers ofglass.
    [7]
    7. Pedal assembly according to claim 6, wherein the support (10) comprises a
    10 bearing (40), the rotation surface (11) being arranged on said bearing (40) and said bearing (40) being manufactured preferably in POM with loads.
    [8]
    8. Pedal assembly according to claim 7, wherein the support (10) comprises at least one housing (15), and the bearing (40) comprises at least one rib (41) which
    15 protrudes from the inner surface of said bearing (40), the at least one rib (41) being housed in the at least one housing (15).
    [9]
    9. Pedal assembly according to any of claims 6 to 8, wherein the rotating surface (11) is configured as a cylindrical shaft and the surface of
    The lever contact (21) is configured as a cylinder that wraps said cylindrical shaft.
    [10]
    10. Pedal assembly according to any of the preceding claims, wherein the
    lever (21) comprises a junction point (24) away from the axis of rotation (XX ’) in which the force (Fu) exerted by the user is applied.
    [11]
    11. Pedal assembly according to claim 10, wherein the pedal (20) comprises a pedal arm (25) which is configured to be pressed by the user and which is pivotally connected to the support (10) by an axis (26 ), said pedal arm acting
    30 (25) on the joint point (24) of the lever (21) through a connecting rod (27).
    [12]
    12. Pedal assembly according to claim 10 or 11, wherein the reaction force
    (N) is calculated based on the ratio:
    35 R = a / z where,

    - "A" is the distance between a force direction line (E1) that defines the user's force direction (Fu) at the junction point (24) of the lever (21), and an axis direction line (E2) that passes through the axis of rotation (XX ') and is parallel to the force direction line (E1), and
    5 - "z" is the distance between a support direction line (E3) that defines a longitudinal direction of the support element (12), and coincides with the direction of a reaction force (Fm) of the torsion spring (30 ) on the support element (12), and an axis direction line (E2 ') passing through the axis of rotation (XX') and is parallel to the support axis direction line (E3).
    [13]
    13. Pedal assembly according to claim 12, wherein the spring reaction force (Fm), the user force (Fu) and the resulting reaction force (N) are parallel. .
    [14]
    14. Pedal assembly according to any of the preceding claims, wherein the
    15 support (10) comprises two stops (13, 14), a first stop (13) of the lever (21) defining the rest position of the pedal (20), and a second stop (14) defining a position of maximum pedal rotation (20).
    [15]
    15. Pedal assembly according to any one of the preceding claims, comprising two two torsion springs (30), one on each side of the lever (23).

    DRAWINGS





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    公开号 | 公开日
    ES2654385B1|2018-11-30|
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