• 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:
    CLEANER ARM. The present invention relates to a wiper blade (1) for a windshield wiper device (3) of a motor vehicle with a first fitting (9) for fixing the wiper blade (1) on the windshield wiper device. (3), and with a second insert (10) for fixing a cleaning blade (2), between the first and second inserts (9,10) there is a rigid area of the wiper blade (13), bordering the first slot (9), and a static area of the wiper blade (14), bordering on the second slot (10), the rigid area of the wiper blade (13) being shaped to transfer a torque applied around the turning axis ( 24) of the wiper blade (1), and the eiastic area of the wiper blade (14) is shaped to offer a force to compress the wiper blade (2) against a windshield, the rigid area of the wiper (13) presenting a first applicator (15) and the eiastic area of the cleaning agent (14) presents a second applicator (16), the first being the plicator (15) is enclosed by a first piastic enclosure (17) and the second applicator (16) is enclosed by a second piastic enclosure (18), with the first piastic enclosure (17) showing varying elasticity in relation to the second piastico (18).
    公开号:BR112013003434B1
    申请号:R112013003434-3
    申请日:2011-07-27
    公开日:2020-11-24
    发明作者:Norbert Wegner；Sven Wolfgarten；Godelieve Kraemer；Michael Kruse；Agnes Balint
    申请人:Robert Bosch Gmbh；
    IPC主号:
    专利说明:

    [001] The present invention relates to a wiper arm for a windshield wiper device of a motor vehicle with a first fitting for attaching the wiper arm to the windshield wiper device and a second fitting for attaching a blade cleaner, where between the first and the second groove there is an area of the clean wiper arm, bordering the first groove, and an area of the elastic wiper arm, bordering the second groove, and the clean wiper area is conformed for application. insert a change of the wiper arm, applied to the turning axis, the area of the elastic wiper being shaped to offer a way to compress the wiper blade against a windshield. State of Technology
    [002] From the European patent EP 0 299 708, a flexible cleaning arm with integral shape has become known. The wiper arm comprises a first slot to connect the wiper arm with the wiper drive and a second slot to attach a wiper blade to the wiper arm. Between the first and second grooves, the wiper arm has two areas, one of which is flexible to press the wiper blade against a windshield of a motor vehicle.
    [003] Commonly, front windshield wipers are produced from metal in order to support a high resistance of the wiper arm in front of the aerodynamic shafts acting on it. Cleaning arms produced from metal, however, are complex in production due to the different processes of stamping, bending, pressing and / or assembly and, moreover, they cannot be flexibly adjusted in a vehicle design, that is, in an optimal aerodynamic conformation. DESCRIPTION OF THE INVENTION
    [004] It is the object of the invention to offer an perfected cleaning arm, which can be specially produced in a simple way and can be optimally shaped in an aerodynamic sense.
    [005] According to the invention, a wiper arm for a windshield wiper device of a motor vehicle will be proposed with a first fitting for fixing the wiper arm to the windshield wiper device and with a second fitting for fixing a cleaning blade. Between the first and the second slot there is a rigid, clean border area in the first slot, as well as an elastic, border area in the second slot. The clean wiper arm area transfers a torque from the wiper arm applied to a rotating shaft. The elastic wiper arm area provides a way to compress the wiper blade against a windshield of the motor vehicle. The clean arm arm area has a first applicator and the elastic clean arm area has a second applicator, the first applicator being surrounded by a first plastic wrap and the second applicator is surrounded by a second plastic wrap, the first one being plastic wrap has a variable elasticity with respect to the second plastic wrap.
    [006] With this conformation, a cleaning arm is offered that can be produced simply and at an advantageous cost. Therefore, the applicator in the area of the rigid cleaning arm, that is, elastic can be wrapped in plastic in a single two-component injection process, so that the cleaning arm can be produced in a few steps of production. In addition, the wiper arm may additionally be suitable for aerodynamic conformation proposals, thus presenting an improved aerodynamic behavior.
    [007] In another embodiment of the invention, the first applicator of the clean area of the wiper arm has an arched cross section, with a central point of the arcuate cross section being arranged on one side of the first applicator, facing the direction of the cleaning blade . This conformation increases the stiffness and torque of the clean area of the wiper arm and additionally offers a moment of increased flexural inertia.
    [008] In another embodiment of the invention, the second applicator is shaped like a plate and is essentially integrated in a rotational piano around the rotation axis of the wiper arm. This conformation ensures that the second applicator, for example, can be produced at an advantageous material cost in strips, and an arrangement of the first applicator on a rotational piano around the rotation axis of the wiper arm ensures a reliable transmission of the drive torque. of the cleaner with reduced clearance at the same time.
    [009] In another embodiment of the invention, the first plastic casing of the first applicator of the clean area of the clean arm is produced in an injection molding process, the second applicator of the elastic area of the clean arm and is surrounded by the second plastic housing and the second plastic housing being joined, through a fitting connection, with the applicator of the elastic area of the cleaner arm. This conformation also guarantees the possibility of simple production of the wiper arm.
    [0010] In another embodiment of the invention, the plastic wrap of uniform material involves at least one of the following materials: Polybutylene terephthalate (PBT), Polyacrylamide, Polyester (PE), Polycarbonate (PC), Polyarylamide (PAA) . These materials are specially adapted so that the cleaner arm is produced at an advantageous cost in an injection molding process, and can withstand environmental influences, especially ultraviolet irradiation, over the long term.
    [0011] In another embodiment of the invention, the second plastic enclosure has a wind deflector, this wind deflector being mounted on a side away from the cleaner blade. This configuration makes it possible to apply an additional force on the wiper blade to compress the wiper blade with greater force on the windshield by means of aerodynamic forces in the displacement of the motor vehicle.
    [0012] In another embodiment of the invention, the first applicator of the clean area of the cleaning agent and the second applicator of the elastic area of the cleaning agent are entirely formed. This embodiment additionally facilitates the production of the cleaning agent.
    [0013] In another embodiment of the invention, the first applicator of the cleaning area of the cleaning brush has a first plastic material, the second applicator of the elastic area of the cleaning brush covering a second plastic. The first plastic and / or second plastic cover at least one of the following materials. A plastic formed with fiber reinforcement, especially a glass fiber reinforced plastic, a carbon fiber reinforced plastic, a plastic formed with long or continuous fibers, a composite of organic fibers, a thermoplastic synthetic material. In this case, the first plastic material of the first applicator, in relation to the second plastic of the second applicator, is selected differently. This configuration makes it possible for the applicators to exactly match the load of the respective segment of the wiper blade, as well as the direction of the corresponding load.
    [0014] In another embodiment of the invention, the plastic wrap has a layer thickness that is essentially greater than 0.5 mm. This finish has the advantage that for an attractive feature, enough material is disposed around the applicators of the rigid area, that is, eiastica of the wiper blade, in order to sufficiently support the forces and the moments in the wiper blade. In addition, in this way, the wiper blade can be shaped in an optimized aerodynamic manner.
    [0015] Next, the invention will be explained on the basis of Figures. The Figures show:
    [0016] Figure 1 is a fragmentary presentation of a windshield wiper device with a wiper blade;
    [0017] Figure 2 is a perspective view of the cleaning agent in an assembled state; and
    [0018] Figure 3 is a section through the cleaning agent shown in Figure 1.
    [0019] Figure 1 shows in fragmented form a windshield wiper device 3 with a wiper blade 1. In Figure 2 one can see the perspective representation of wiper blade 1 shown in Figure 1 of the windshield wiper device 3 in already assembled condition. The wiper blade 1 has a first socket 9 for fixing the wiper blade to a wiper tree not shown in a windshield wiper drive. At the opposite end in relation to the first slot 9, a second slot 10 for fixing a cleaning blade 2 is arranged on the wiper blade 1. Between the first slot 9 and the second slot 10, a rigid area of the wiper blade 3 is adjacent to the first slot 9. Between the first and the second slot 9, 10 is provided, bordering on the second slot 10, a static area of the wiper blade 14.
    [0020] The first slot 9 for the wiper shaft of the windshield wiper drive involves a cover cap 11 and the socket of the wiper tree 12. The socket of the wiper tree 12 is aligned correspondingly to the turning axis 24 of a wiper tree not shown. The cover lid 11 closes the first socket 9, in a mounted state, at the top, against environmental influences. The clean area of the wiper blade 13, bordering the first socket 9, comprises a first applicator 15, which will be detailed in Figure 3. The first applicator 15 of the clean area of the cleaning wiper 13 and the fitting of the wiper tree 12 are enclosed by a first plastic wrapper 17. The clean area of the wiper blade 13 involves a cross section essentially in a rectangular shape in the area of the first socket 9. The cross section in a rectangular shape converges in the direction of the elastic area of the windshield wiper. breeze 16 in an L-shaped cross-section, with which a comfort is offered with little material from the area of the clear wiper 13.
    [0021] The second slot 10 presents, together with the cleaning blade 2, a hinge not shown and secures the cleaning blade 10 on this hinge on the cleaning rod 1. In the case, the second slot 10 is also surrounded by the first plastic wrap 17.
    [0022] The elastic area of the wiping brush 14, bordering the clean area of the wiping brush 13, involves a second applicator 16. The second applicator 16 comprises two ends 29 and a central area 27 and interspersed. In this case, the second applicator 16 of the elastic area of the cleaning brush 14 is shaped like an elongated plate and is integrated in a rotating piano of the cleaning brush 1. To avoid the folding of the cleaning brush 1, the first applicator 15 are superimposed and the second applicator 16 in an overlapping area 19. For fixing the second applicator 16, a first applicator insert 25 is arranged on the first plastic wrapper 17, and a second applicator insert 26 is arranged on the second insert 10 to receive the ends 29 of the second applicator 16, so that in the assembled state of the wiper blade 1, the second applicator 16 of the elastic area of the wiper blade 14 is surrounded by the first plastic wrap 17 at the ends 29 of the second applicator 16 and a second plastic wrap 18 , in the central area 27 of the second applicator 16. In this case, the second fitting 26 of the applicator of the first fitting 10 is so shaped that a partial area is provided of the socket 10 without reinforcement of the second applicator 16. This arrangement allows an articulated finish, which is optimal for linking the cleaning blade 2 to the socket 10.
    [0023] In this embodiment, the second plastic casing 18 has a groove 21, in which, in the mounted state of the wiper blade 1, the second applicator 16 is integrated. In addition, the second plastic casing 18 has a connection by notch 22 in a front edge, with which the second plastic casing 18 of the elastic area of the wiping brush 14 is attached to the second applicator 16 of the elastic area of the wiping brush 14, in the central region 27. In this case, the second plastic casing 18 totally involves the second applicator 16 so that the material of the second applicator 16 is protected against temperature influences. In this case, the first plastic wrap 17 and the second plastic wrap 18 have a plastic as a material.
    [0024] In addition, the second plastic wrap 18 involves a wind deflector 30 (shown in dashed form), which, with increasing travel speed, compresses the wiper blade 2 in a reinforced manner against a vehicle windshield self-propelled. For this purpose, the wind deflector is mounted on the upper part, that is, on one side of the second plastic wrap 18, away from the cleaning blade 2.
    [0025] The plastic wrap 17, 18 of the cleaning wiper 1 offers a flexible shaping of the circumferential contours of the cleaning wiper 1. Therefore, the circumferential contours of the plastic wrap 17, 18 can be adapted, for example, in a simple and easy way. at an advantageous cost, in the face of aerodynamic requirements, especially with a view to reducing air swirls and to increase compression forces. In addition, the corrosion resistance of applicators 15, 16 is improved by the form of implementation shown in Figures 1 and 2, especially against salt, ultraviolet irradiation and other corrosive media.
    [0026] Alternatively in relation to the modality shown in Figures 1 and 2 of the cleaning brush 1, one can also imagine applying the second piastic wrapper 18 of the clean brush area 14 in the second applicator 16 of the brush area cleaner 14, which would be done through an injection molding process. In this case, it is possible to imagine the introduction of the second applicator 16 of the clean area of the cleaning brush 14 and the first applicator 15 of the rigid area of the cleaning brush 13, as well as the fitting of the cleaning tree 12 and the second fitting 10, inside a device of the injection molding machine and make a complete application of piastico in an injection molding process, in such a way that it will be ensured high surface quality and simultaneously the two applicators 15, 16 of the aerated and rigid area of the wiper blade 13 , 14 are interconnected with closure due to shape. In addition, with this comfort, a light wiper blade 1 is offered, which will reduce the forces on the wiper drive. Additionally, passages of shapes will be reduced between the first socket 9 in relation to the rigid area of the cleaning brush 13, from the rigid area of the cleaning brush 13 to the aerated area of the cleaning brush 14, as well as from the aerated area of the cleaning brush 14 to the second fitting 10, for comfort, being - as already mentioned, reduced or even nonexistent. In addition, it is possible to imagine providing the piastico casing 17, 18 with colored particles to adapt the wiper blade 1 with regard to the colors to a color of the motor vehicle, so that advantageously one can dispense a coating of the wiper arm 1 .
    [0027] Figure 3 shows a cut through the wiper arm 1, shown in Figure 1, along the intersection line AA shown in Figure 1. In this case, the intersection line AA projects through the overlapping area 19 of the two applicators 15, 16 wrapped by the first plastic wrap 17 of the clean area of the wiper arm 13, the first applicator 15 is integrated in the clean area of the wiper arm 13. The first applicator 15 and the second applicator 16 are spaced apart conversely, the two applicators 15, 16 forming an applicator joint with plastic. The second applicator 16 is arranged at the top on a rotational piano around the pivot axis 24 of the wiper arm 1, shown in Figure 2. Below the second applicator 16 is located the first applicator 15 which has a segmental cross section © arched and which covers a central point M which is arranged on the side facing towards the cleaning blade 2, that is, on the side away from the second applicator 16.
    [0028] This conformation of the first applicator 15 offers high resistance against twisting and flexing, in order to offer an area of special rigidity and robust as to the clearance 13. In particular, a clearance of the clean area 14 of the cleaning arm 14 will be avoided and away from the windshield.
    [0029] In the embodiments, shown in Figures 1 to 3, applicators 15, 16 are wrapped with the plastic of the first and the second plastic wrap 17, 18, and the plastic may have Polybutylene terephthalate (PBT), Polyacrylamide , Polyester (PE), Polycarbonate (PC), Polyarylamide (PPA), which can be applied especially in an injection molding process around applicators 15, 16. The plastic material of the plastic wrap 17, 18 can be additionally shaped reinforced with fibers, especially glass fibers or carbon fibers.
    [0030] As materials for the first and second applicators 15, 16 are especially suitable for metals that are laminated and have high resistance. For the second applicator 16, materials that are generally used for springs, especially for leaf springs, are suitable. Instead of metal as a material, a first plastic can also be used for the first applicator 15 and a second plastic for the second applicator 16, the first plastic of the first applicator 15 may be different from the second plastic of the second applicator 16 Both in the use of plastic and metal for the first and second applicators 15, 16 these can be shaped by twisting each other.
    [0031] As materials for the first and second plastics of the first applicator 15, that is, of the second applicator 16, organic plates, long-fiber or continuous-fiber, reinforced, thermal or hard plastic materials are specially adapted, especially plastics reinforced with glass fibers and carbon fiber. In this case, in the selection of the first and the second plastic material, that is, material, it is advantageous that they are synchronized according to the desired properties of the elastic area, that is, the rigidity of the cleaning arm 13, 14.
    [0032] In addition, the thickness of the first applicator 15 for the second applicator 16 may also be varied in order to adjust the stiffness of the stiff area of the wiper arm 13 in relation to the elastic area of the wiper arm 14. One can also imagine in the case of the use of a first, that is, a second plastic material reinforced with fiber from the first, that is, from the second applicator 15, 16, using a varied number of layers and finishes, that is, alignments of the fibers.
    [0033] Alternatively, one can also imagine other provisions and modalities of the two applicators 15, 16. Thus, one can eventually imagine that the two applicators 15, 16 present an L-shaped, T-shaped and / or U-shaped. It is also possible to imagine the applicators 15, 16 whole and of the same material.
    [0034] It can also be imagined that the fitting of the wiper trees 12 consists of a third piastic material, the third piastic material of the fitting of the wiper trees 12 being able to be differentiated in relation to the first, that is, the second piastic material of the two applicators 15, 16, that is, of the plastics of the plastic envelopes 17, 18. Alternatively, it can be imagined that the fitting of the cleaner tree 12 is made entirely and / or of the same material with the first applicator 15 and possibly with the second applicator 16.
    [0035] Furthermore, it can be imagined, in an additional character, to reinforce the area of the first socket 9 of the rotational tree with short fibers with the first application of piastic material 17, in order to achieve an improved structure of the rigid area of the brago cleaner 13.
    权利要求:
    Claims (9)
    [0001]
    1. Wiper blade (1) for a windshield wiper device (3) of a motor vehicle with a first fitting (9) for fixing the wiper blade (1) on the windshield wiper device (3) and with a second slot (10) for fixing a wiper blade (2), between the first and second slots (9, 10) there is a rigid area of the wiper blade (13) bordering on the first slot (9), and a elastic area of the wiper blade (14), bordering on the second socket (10), the rigid area of the wiper blade (13) being shaped to transfer a torque applied around the axis of rotation (24) of the wiper blade (1) , and the elastic area of the wiper blade (14) is shaped to provide a force for compressing the wiper blade (2) against a windshield, characterized by the fact that the wiper area (13) has a first applicator ( 15) and the elastic area of the cleaning agent (14) has a second applicator (16), the first applicator (15) being it is wrapped by a first plastic wrap (17) and the second applicator (16) is wrapped by a second plastic wrap (18), the first plastic wrap (17) having a different elasticity in relation to the second plastic wrap ( 18).
    [0002]
    2. Wiper blade (1) according to claim 1, characterized by the fact that the first applicator (15) of the rigid area of the wiper blade (13) has an arcuate cross section, with a central point (M) of the arcuate cross section is arranged on one side of the first applicator (15) facing towards the cleaning blade (2).
    [0003]
    Wiper brush (1) according to claim 1 or 2, characterized in that the second applicator (16) of the elastic area of the wiper brush (14) is shaped like a plate and is elongated and essentially is arranged on a piano rotational around the rotating shaft (24) of the wiper arm (1).
    [0004]
    4. Cleaner BraQO (1) according to any one of claims 1 to 3, characterized by the fact that the first plastic wrap (17) of the first applicator (15) of the clean area of the cleaner arm (13) is produced by a injection molding process, the second applicator (16) of the elastic area of the cleaning arm (14) and being surrounded by a second plastic wrap (18), and this second plastic wrap (18) is joined by means of a notch connection (22), with the second applicator (16) of the elastic area of the cleaning arm (14).
    [0005]
    Cleaner arm (1) according to any one of claims 1 to 4, characterized in that the first and / or the second plastic wrap (17, 18) consists of at least one of the following materials: Polybutylene terephthalate (PBT), Polyacrylamide, Polyester (PE), Polycarbonate (PC), Polyarylamide (PAA).
    [0006]
    6. Wiper arm (1) according to claim 4 or 5, characterized in that the second plastic housing (18) has a wind deflector (30), this wind deflector (30) being arranged on one side removed in relation to the cleaning blade (2), being shaped to offer an additional force for compressing the cleaning blade (2) against the cleaning arm (1).
    [0007]
    7. Wiper arm (1) according to any one of claims 1 to 6, characterized in that the first applicator (15) of the clean area of the wiper arm (13) and the second applicator (16) of the elastic area of the wiper arm (14) are configured whole.
    [0008]
    8. Wiper arm (1) according to any one of claims 1 to 7, characterized by the fact that the first applicator (15) of the clean area of the wiper arm (13) presents the first plastic, presenting the second applicator (16 ) of the elastic area of the wiper arm (14) is a second plastic, the first plastic and / or second plastic covering comprising at least one of the following materials: a fiber-reinforced finish, especially a glass-fiber reinforced finish, a glass finish reinforced with carbon fibers, a long-fiber base, continuously shaped, reinforced by fibers, a compound of organic fibers, a thermoplastic, with the first base of the first applicator (15) for the second base of the second applicator (16) and differentiated.
    [0009]
    9. Cleaner BraQO (1) according to any one of claims 1 to 8, characterized in that the piastic casing (17, 18) has a layer thickness that is greater than 0.5 mm.
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    同族专利:
    公开号 | 公开日
    DE102010039526A1|2012-02-23|
    CN103052545B|2015-08-19|
    CN103052545A|2013-04-17|
    EP2605942A1|2013-06-26|
    WO2012022591A1|2012-02-23|
    EP2605942B1|2014-07-09|
    BR112013003434A2|2016-08-02|
    PL2605942T3|2014-12-31|
    引用文献:
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    EP0525850A1|1991-07-29|1993-02-03|General Motors Corporation|Moulded composite cantilever wiper arm|
    FR2890923B1|2005-09-21|2007-11-30|Valeo Systemes Dessuyage|ICE WIPER DRIVE ARM COMPRISING AN ELASTICALLY DEFORMABLE TRUNK RIGIDIFIED INTO A PLAN WITH INTENSIBLE REINFORCING ELEMENTS|
    WO2010009922A1|2008-07-22|2010-01-28|Nv Bekaert Sa|Composite wiper arm|
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    US10829092B2|2012-09-24|2020-11-10|Pylon Manufacturing Corp.|Wiper blade with modular mounting base|
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    DE102014214948A1|2014-07-30|2016-02-04|Robert Bosch Gmbh|Method for producing a wiper blade system and windscreen wiper and windscreen wiper device|
    USD777079S1|2014-10-03|2017-01-24|Pylon Manufacturing Corp.|Wiper blade frame|
    CN104827624A|2015-05-13|2015-08-12|柳州金盾机械有限公司|Preparation method of composite wiper plastic part|
    CN104827622A|2015-05-13|2015-08-12|柳州金盾机械有限公司|Preparation method of boneless wiper plastic part|
    DE102015221254A1|2015-10-30|2017-05-04|Ifa-Technologies Gmbh|Windscreen wiper device and vehicle with such a windshield wiper device|
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    法律状态:
    2018-12-26| B06F| Objections, documents and/or translations needed after an examination request according art. 34 industrial property law|
    2019-11-26| B06U| Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure|
    2020-07-14| B09A| Decision: intention to grant|
    2020-11-24| B16A| Patent or certificate of addition of invention granted|Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 27/07/2011, OBSERVADAS AS CONDICOES LEGAIS. |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102010039526A|DE102010039526A1|2010-08-19|2010-08-19|wiper arm|
    DE102010039526.9|2010-08-19|
    PCT/EP2011/062888|WO2012022591A1|2010-08-19|2011-07-27|Wiper arm|
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