CN220947927U - Automobile windscreen wiper structure - Google Patents
Automobile windscreen wiper structure Download PDFInfo
- Publication number
- CN220947927U CN220947927U CN202322460091.4U CN202322460091U CN220947927U CN 220947927 U CN220947927 U CN 220947927U CN 202322460091 U CN202322460091 U CN 202322460091U CN 220947927 U CN220947927 U CN 220947927U
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- cam
- wiper arm
- claw
- gear
- elastic member
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- 238000000926 separation method Methods 0.000 claims abstract description 17
- 210000000078 claw Anatomy 0.000 claims description 77
- 238000004140 cleaning Methods 0.000 description 4
- 230000002457 bidirectional effect Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000007790 scraping Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of automobile windscreen wiper structures, in particular to an automobile windscreen wiper structure which comprises a windscreen wiper arm fixing rod and a windscreen wiper arm connecting rod, wherein one end of the windscreen wiper arm fixing rod is rotatably arranged on the windscreen wiper arm connecting rod, a gear is fixed on the periphery of the windscreen wiper arm fixing rod, the windscreen wiper arm connecting rod is provided with a cam assembly, the cam assembly comprises a separation state and a contact state, and the cam assembly is not contacted with the gear when the cam assembly is in the separation state; the cam assembly can be clamped with the gear when the cam assembly is in a contact state. The utility model has simple structure, can realize the contact and separation between the wiper arm fixing rod and the wiper arm connecting rod through the internal cam component, and can lead the wiper arm fixing rod and the wiper arm connecting rod to enter a separation state through the cam component when the wiper blade or the wiper arm needs to be replaced, and the two wiper arms can freely rotate at any angle at the moment, thereby rotating to a proper angle so as to be convenient and reliable for replacing the wiper blade or the wiper arm.
Description
Technical Field
The utility model relates to the technical field of automobile windscreen wiper structures, in particular to an automobile windscreen wiper structure.
Background
Motor vehicles are often equipped with a windshield wiper for wiping the windshield to ensure a good view of the driver's surroundings in severe weather conditions. The windscreen wiper is a sheet structure arranged in front of the windscreen, and is composed of a motor, a speed reducer, a four-bar mechanism, a wiper arm mandrel, a wiper blade assembly and the like, and is mainly used for sweeping rainwater and dust which obstruct the sight on the windscreen.
The wiper system of the automobile at present basically adopts an integrated link mechanism to realize the simultaneous action of two wiper arms, generally at least one period of operation, and returns to the horizontal position after stopping. For example, patent application 202320278480.2 discloses a wiper blade and a vehicle, wherein the wiper blade includes a wiper brush, a wiper arm, a first drive mechanism, and a controller; the scraping brush is arranged on the scraping arm and comprises a bidirectional telescopic cleaning part, the first driving mechanism is mechanically connected with the bidirectional telescopic cleaning part, the controller is electrically connected with the first driving mechanism, and the first driving mechanism drives the bidirectional telescopic cleaning part to bidirectionally stretch under the control of the controller. The windscreen wiper can realize the omnibearing cleaning of the windscreen, but can only be replaced in a horizontal state when the windscreen wiper arm or the windscreen wiper blade is required to be replaced, and because the windscreen wiper arm is wider, the position of the windscreen wiper arm is lower, the windscreen wiper is very laborious to replace, even people with relatively small stature possibly cannot touch the auxiliary windscreen wiper, and the replacement cannot be completed.
Disclosure of utility model
The utility model provides an automobile windscreen wiper structure, which aims at solving the problem that the windscreen wiper arm or the windscreen wiper cannot be replaced even with great effort when the windscreen wiper is replaced at present.
In order to achieve the above purpose, the technical scheme adopted by the utility model is that the automobile wiper structure comprises a wiper arm fixing rod and a wiper arm connecting rod, wherein one end of the wiper arm fixing rod is rotatably arranged on the wiper arm connecting rod, a gear is fixed on the periphery of the wiper arm fixing rod, the wiper arm connecting rod is provided with a cam assembly, the cam assembly comprises a separation state and a contact state, and the cam assembly is not in contact with the gear in the separation state; the cam assembly is capable of being clamped with the gear when the cam assembly is in the contact state. The utility model has simple structure, can realize the contact and separation between the wiper arm fixing rod and the wiper arm connecting rod through the internal cam component, and can lead the wiper arm fixing rod and the wiper arm connecting rod to enter a separation state through the cam component when the wiper blade or the wiper arm needs to be replaced, and the two wiper arms can freely rotate at any angle at the moment, thereby rotating to a proper angle so as to be convenient and reliable for replacing the wiper blade or the wiper arm.
Preferably, the cam assembly comprises a left claw, a right claw, a left elastic piece and a right elastic piece, wherein the left claw and the right claw are symmetrically arranged on one side of the gear, the left claw and the right claw are hinged to the wiper arm connecting rod at one end, the other end of the left claw extends to the gear, one end of the left elastic piece is connected to the wiper arm connecting rod, the other end of the left elastic piece is connected to the left claw, one end of the right elastic piece is connected to the wiper arm connecting rod, and the other end of the right elastic piece is connected to the right claw.
Preferably, when the cam assembly is in the contact state, the left elastic piece and the right elastic piece can respectively give force to the left claw and the right claw towards the gear so that the left claw and the right claw are clamped with the gear. The left elastic piece and the right elastic piece can help the left claw and the right claw to reset, and the left claw and the right claw return to the state of being clamped with the gear.
Preferably, the cam assembly further comprises a cam, the cam is rotatably arranged on the wiper arm connecting rod, and the cam is located between the left claw and the right claw. The cam has a simple structure and can complete the conversion between the separation state and the contact state only by rotating.
Preferably, the left elastic member and the right elastic member are both provided as springs. Springs are a relatively common structure, are readily available and are low cost.
Preferably, when the cam rotates to a vertical state, the left claw and the right claw are both clamped with the gear; and when the cam rotates to be in a horizontal state, the left claw and the right claw are not contacted with the gear.
Preferably, an adjusting switch is further fixed at one end of the cam, and the adjusting switch and the cam can rotate synchronously.
Preferably, the adjusting switch is convexly arranged on the side wall of the wiper arm connecting rod. The cam is rotated by an operator through the regulating switch.
Preferably, when the cam rotates to a horizontal state, the left elastic member and the right elastic member are both in a compressed state.
Preferably, an angle between the left jaw and the right jaw is a when the cam is rotated to a vertical state; and when the cam rotates to be in a horizontal state, the angle between the left claw and the right claw is B, and A is smaller than B.
The beneficial effects of the utility model are as follows:
the automobile wiper provided by the utility model has a simple structure, the contact and separation between the wiper arm fixing rod and the wiper arm connecting rod can be realized through the internal cam assembly, when the wiper blade or the wiper arm needs to be replaced, the wiper arm fixing rod and the wiper arm connecting rod can be brought into a separation state through the cam assembly, and at the moment, the two wiper arms can freely rotate at any angle, so that the two wiper arms can rotate to a proper angle, the wiper blade or the wiper arm can be replaced conveniently and reliably.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of an automobile wiper structure according to the present utility model.
Fig. 2 is a schematic perspective view of another angle of the wiper structure of the automobile according to the present utility model.
Fig. 3 is a schematic perspective view of a cam assembly in a contact state in the wiper structure of an automobile according to the present utility model.
Fig. 4 is a schematic perspective view of a cam assembly in a separated state in the wiper structure of an automobile according to the present utility model.
In the figure: 1. the windscreen wiper arm fixing rod comprises a windscreen wiper arm fixing rod body, a gear, a windscreen wiper arm connecting rod body, a right claw, a left elastic piece, a right elastic piece, a cam, a left elastic piece, a left claw, a right claw and an adjusting switch.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1 to 4, in the present embodiment, the automobile wiper structure provided by the present utility model includes a wiper arm fixing lever 1 and a wiper arm connecting rod 3, one end of the wiper arm fixing lever 1 is rotatably disposed on the wiper arm connecting rod 3, a gear 2 is fixed on the outer periphery of the wiper arm fixing lever 1, the wiper arm connecting rod 3 is provided with a cam assembly, the cam assembly includes a separated state and a contact state, and the cam assembly is not in contact with the gear 2 in the separated state of the cam assembly; the cam assembly can be clamped with the gear 2 in a contact state of the cam assembly. The utility model has simple structure, can realize the contact and separation between the wiper arm fixing rod 1 and the wiper arm connecting rod 3 through the internal cam component, can lead the wiper arm fixing rod 1 and the wiper arm connecting rod 3 to enter a separation state through the cam component when the wiper blade or the wiper arm is required to be replaced, and can lead the two wiper arms to freely rotate at any angle at the moment, thereby rotating to a proper angle so as to be convenient for replacing the wiper blade or the wiper arm, and is convenient and reliable.
Specifically, as shown in fig. 1 to 2, the cam assembly includes a left claw 8, a right claw 4, a left elastic member 7, a right elastic member 5 and a cam 6, the left claw and the right claw are symmetrically arranged on one side of the gear, the left claw 8 and the right claw 4 are hinged to the wiper arm connecting rod 3 at one end, the other end extends to the gear 2, one end of the left elastic member 7 is connected to the wiper arm connecting rod 3, the other end is connected to the left claw 8, one end of the right elastic member 5 is connected to the wiper arm connecting rod 3, and the other end is connected to the right claw 4. The cam 6 is rotatably arranged on the wiper arm connecting rod 3, and the cam 6 is positioned between the left claw 8 and the right claw 4. The cam 6 has a simple structure and can switch between the separated state and the contact state only by rotating. And in order to facilitate the regulation, one end of the cam 6 is also fixed with an adjusting switch 9, and the adjusting switch 9 and the cam 6 can synchronously rotate. The regulating switch 9 is arranged on the side wall of the wiper arm connecting rod 3 in a protruding mode. The operator can conveniently rotate the cam 6 through the adjusting switch. In the present embodiment, the left elastic member 7 and the right elastic member 5 are each provided as a spring. Springs are a relatively common structure, are readily available and are low cost. In other embodiments, other suitable elastic members may be selected.
As shown in fig. 3, in the state that the cam assembly is in contact, the left elastic member 7 and the right elastic member 5 can respectively give forces to the left claw 8 and the right claw 4 towards the gear 2 so that the left claw 8 and the right claw 4 are both clamped with the gear 2. The left elastic piece 7 and the right elastic piece 5 can help the left claw 8 and the right claw 4 to reset, and return to the state that the left claw 8 and the right claw 5 are clamped with the gear 2. Specifically, as shown in fig. 3, when the cam 6 rotates to a vertical state, the left claw 8 and the right claw 4 are both clamped with the gear 2; as shown in fig. 4, in the state where the cam 6 is rotated to be horizontal, the left elastic member 7 and the right elastic member 5 are both in a compressed state, and the left claw 8 and the right claw 4 are both out of contact with the gear 2.
And, as shown in fig. 3, in the state where the cam 6 is rotated to the vertical state, the angle between the left jaw 8 and the right jaw 4 is a; as shown in fig. 4, in the state where the cam 6 is rotated to be horizontal, the angle between the left and right pawls 8 and 4 is B, and a < B.
As shown in fig. 1 to 4, the operating principle of the automobile wiper structure is as follows:
normally, as shown in fig. 3, the cam assembly is in a contact state, and the wiper arm fixing lever 1 moves with the wiper arm link 3. When the wiper arm or the wiper blade needs to be replaced, the adjusting switch 9 is rotated to drive the cam 6 to rotate to the horizontal position of the cam 6, as shown in fig. 4, the cam 6 pushes the left claw 8 and the right claw 4 to the two sides, the included angle between the left claw 8 and the right claw 4 is increased and separated from the gear 2, and the left claw 8 and the right claw 4 are connected with the wiper arm connecting rod 3, namely the wiper connecting rod mechanism, because the gear 2 is connected with the wiper arm fixing rod 1, namely the wiper arm, the wiper arm can be separated from the wiper connecting rod mechanism, and at the moment, the wiper arm can be manually rotated to a proper position which is easy to operate for replacement; after the replacement is completed, the wiper arm is rotated to the reset position, and then the regulating switch 9 is rotated to drive the cam 6 to rotate to the vertical position of the cam. The left claw 8 and the right claw 4 return to contact with the gear 2 under the action of the left elastic piece 7 and the right elastic piece 5, and the normal state is restored.
The beneficial effects of the utility model are as follows:
The automobile wiper provided by the utility model has a simple structure, the contact and separation between the wiper arm fixing rod 1 and the wiper arm connecting rod 3 can be realized through the internal cam assembly, when the wiper blade or the wiper arm needs to be replaced, the wiper arm fixing rod 1 and the wiper arm connecting rod 3 can be brought into a separation state through the cam assembly, and at the moment, the two wiper arms can freely rotate at any angle, so that the two wiper arms can rotate to a proper angle, thereby being convenient and reliable for replacing the wiper blade or the wiper arm.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. The utility model provides an automobile windscreen wiper structure, includes windscreen wiper arm dead lever and windscreen wiper arm connecting rod, its characterized in that, one end of windscreen wiper arm dead lever rotate set up in the windscreen wiper arm connecting rod, the periphery of windscreen wiper arm dead lever is fixed with the gear, the windscreen wiper arm connecting rod is provided with cam subassembly, the cam subassembly includes separation state and contact state, in the cam subassembly is in under the separation state, cam subassembly with the gear does not contact; the cam assembly is capable of being clamped with the gear when the cam assembly is in the contact state.
2. The automobile wiper structure according to claim 1, wherein the cam assembly comprises a left claw, a right claw, a left elastic member and a right elastic member, wherein the left claw and the right claw are symmetrically arranged on one side of the gear, one ends of the left claw and the right claw are hinged to the wiper arm connecting rod, the other ends of the left claw and the right claw extend to the gear, one end of the left elastic member is connected to the wiper arm connecting rod, the other end of the left elastic member is connected to the left claw, one end of the right elastic member is connected to the wiper arm connecting rod, and the other end of the right elastic member is connected to the right claw.
3. The automotive wiper structure according to claim 2, wherein in the contact state of the cam assembly, the left elastic member and the right elastic member can give the left claw and the right claw a force toward the gear, respectively, so that the left claw and the right claw are both engaged with the gear.
4. The automotive wiper structure according to claim 2, characterized in that the cam assembly further comprises a cam rotatably provided to the wiper arm link, and the cam is located between the left and right jaws.
5. The automobile wiper structure according to claim 2, wherein the left elastic member and the right elastic member are each provided as a spring.
6. The automotive wiper structure according to claim 4, wherein the left and right pawls are each engaged with the gear when the cam is rotated to a vertical state; and when the cam rotates to be in a horizontal state, the left claw and the right claw are not contacted with the gear.
7. The automobile wiper structure according to claim 4, wherein one end of the cam is further fixed with an adjusting switch, and the adjusting switch and the cam can rotate synchronously.
8. The automotive wiper structure according to claim 7, wherein the adjustment switch is provided protruding from a side wall of the wiper arm link.
9. The automotive wiper structure according to claim 6, wherein the left elastic member and the right elastic member are both in a compressed state when the cam is rotated to a horizontal state.
10. The automotive wiper structure according to claim 6, characterized in that an angle between the left and right claws is a in a state where the cam is rotated to be vertical; and when the cam rotates to be in a horizontal state, the angle between the left claw and the right claw is B, and A is smaller than B.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322460091.4U CN220947927U (en) | 2023-09-11 | 2023-09-11 | Automobile windscreen wiper structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202322460091.4U CN220947927U (en) | 2023-09-11 | 2023-09-11 | Automobile windscreen wiper structure |
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Publication Number | Publication Date |
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CN220947927U true CN220947927U (en) | 2024-05-14 |
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CN202322460091.4U Active CN220947927U (en) | 2023-09-11 | 2023-09-11 | Automobile windscreen wiper structure |
Country Status (1)
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CN (1) | CN220947927U (en) |
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2023
- 2023-09-11 CN CN202322460091.4U patent/CN220947927U/en active Active
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