Automobile windscreen wiper switch assembly

Abstract

The utility model discloses an automobile windscreen wiper switch assembly which comprises a shell, a first knob switch and a switch support, a limiting protruding ring protruding outwards is arranged in the first knob switch, and the switch support is arranged in the first knob switch through the limiting protruding ring. A push switch penetrating through the first knob switch is arranged on one side of the switch support, a second knob switch is installed on a rotary supporting column on the outer wall of the switch support, and a first fixing support and a second fixing support which are used for axially limiting the first knob switch and the second knob switch respectively are arranged on the two sides of the switch support respectively. According to the device, the limiting buckle and the limiting rib groove are arranged on the shell and are clamped and fixed with the switch support, and the position of the pressing switch and the internal switch of the switch support are simple in structure, high in installation speed, small in installation space and convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of automotive parts, and specifically relates to an automotive wiper switch assembly. Background Technique

[0002] Automotive wipers are an essential part of a vehicle. Generally, the wiper switch is arranged on the side of the steering wheel, and the driver can achieve different functions by means of toggling, pressing, rotating, etc. The wiper switch generally includes front and rear wiper adjustment and a washing function.

[0003] However, for the automotive wiper combination switch handle with the patent number CN219873396U, it includes a handle housing, a first rotary switch, a second rotary switch, and a push switch; the first rotary switch includes a hollow first rotary body and a first axial limiting ring, the handle housing includes a handle body and a first limiting bushing, a limiting bracket is fixed inside the first limiting bushing, and a second axial limiting ring protruding outward is provided on the outer periphery of the limiting bracket. The first axial limiting ring is limited between the outer end of the first limiting bushing and the second axial limiting ring; the push switch is located inside the limiting bracket and is in limiting cooperation with the limiting bracket so that the push switch can only slide axially. The utility model cancels the main shaft structure. The first axial limiting ring is abutted against the outer end of the first limiting bushing through the limiting bracket, and the push switch is limited inside the limiting bracket, thereby ensuring that the radial limiting structure A of the first rotary switch has sufficient length and reducing the deformation amount of the knob under force.

[0004] The following problems exist during the use of this automotive wiper combination switch handle: The installation of the switch structure is relatively complex, resulting in a long installation time and low installation efficiency. In addition, the structural strength of the wiper combination switch is low, resulting in a short service life. Content of the Utility Model

[0005] The purpose of the utility model is to provide an automotive wiper switch assembly to solve the related problems raised in the above background technique.

[0006] To achieve the above object, the present utility model provides the following technical solution: An automotive wiper switch assembly, comprising a housing, a first rotary switch, and a switch bracket. The first rotary switch is internally provided with a protruding limiting convex ring, and the switch bracket is arranged inside the first rotary switch through the limiting convex ring. A push switch penetrating the first rotary switch is arranged on one side of the switch bracket. A second rotary switch is installed on a rotating pillar on the outer wall of the switch bracket. First and second fixing brackets for axially limiting the first and second rotary switches respectively are arranged on both sides of the switch bracket. A push bracket is arranged between the switch bracket and the push switch. The housing is provided with limiting buckles and limiting rib grooves for quick fixation, and the housing is snap-fitted and fixed with the limiting grooves on the switch bracket through the limiting buckles and the limiting rib grooves. The outer wall of the housing is provided with a strengthening and anti-corrosion assembly.

[0007] In the automotive wiper switch assembly provided by this technical solution, a first conductive elastic sheet is arranged at the bottom end of the first rotary switch through a fixing column, and a first circuit board fixed to the switch bracket is arranged below the first conductive elastic sheet.

[0008] In the automotive wiper switch assembly provided by this technical solution, a first rotating bead and a first spring are arranged in the middle of the first fixing bracket.

[0009] In the automotive wiper switch assembly provided by this technical solution, a second rotating bead and a second spring are arranged in the middle of the second fixing bracket.

[0010] In the automotive wiper switch assembly provided by this technical solution, the push bracket is attached to a conductive rubber, the conductive rubber is attached to a second circuit board, the second circuit board and the conductive rubber form a first circuit structure, and a limiting column fixed to a second conductive elastic sheet is arranged on one side of the second rotary switch close to the second circuit board.

[0011] In the automotive wiper switch assembly provided by this technical solution, connecting wire bundles are arranged on both the first circuit board and the second circuit board, and an FPC connector is arranged on the first circuit board and the second circuit board through the connecting wire bundles.

[0012] In the automotive wiper switch assembly provided by this technical solution, the strengthening and anti-corrosion assembly includes a strengthening layer and an H-shaped strengthening rib. The outer wall of the housing is provided with the strengthening layer, an H-shaped strengthening rib is arranged inside the strengthening layer, and a polyethylene coating is arranged on the outer wall of the strengthening layer.

[0013] Compared with the prior art, the present utility model provides an automotive wiper switch assembly, having the following

[0014] Advantageous effects:

[0015] 1. The utility model is fixedly clamped with a switch bracket through a limit buckle and a limit rib groove arranged on the outer shell, and the position of the push switch is inside the switch bracket. The first rotary switch and the second rotary switch are limited on the switch bracket through the first fixing bracket and the second fixing bracket, so that the switch has a simple structure, a fast installation speed, a small installation space, and is convenient to install.

[0016] 2. The utility model is designed with an H-shaped reinforcing rib at the outer shell, thereby increasing the compressive capacity at the outer shell, further making the service life of the outer shell longer, and a polyethylene coating is applied to the outer wall of the reinforcing layer to increase the anti-corrosion effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 is a three-dimensional sectional structural schematic diagram of the utility model;

[0019] Figure 3 is a front view structural schematic diagram of the utility model;

[0020] Figure 4 is an exploded view structural schematic diagram of the utility model

[0021] Figure 5 is a front view sectional structural schematic diagram of the outer shell of the utility model.

[0022] In the figure: 1. Outer shell; 2. Push switch; 3. First rotary switch; 4. Second rotary switch; 5. Switch bracket; 6. First fixing bracket; 7. Second fixing bracket; 8. First rotating bead; 9. First spring; 10. First conductive elastic sheet; 11. First circuit board; 12. Push bracket; 13. Conductive rubber; 14. Second circuit board; 15. Second conductive elastic sheet; 16. Second spring; 17. Second rotating bead; 18. Connection wire harness; 19. Limit buckle; 20. Limit rib groove; 21. Reinforcing layer; 22. H-shaped reinforcing rib; 23. Polyethylene coating. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1, as Figure 1-2As shown in the figure, the present utility model provides a technical solution: an automotive wiper switch assembly, including a housing 1, a first rotary switch 3, and a switch bracket 5. The first rotary switch 3 is internally provided with a protruding limiting convex ring, and the switch bracket 5 is arranged inside the first rotary switch 3 through the limiting convex ring. A push switch 2 penetrating the first rotary switch 3 is arranged on one side of the switch bracket 5. A second rotary switch 4 is installed on the rotating pillar on the outer wall of the switch bracket 5. First fixing brackets 6 and second fixing brackets 7 for axially limiting the first rotary switch 3 and the second rotary switch 4 are respectively arranged on both sides of the switch bracket 5. A push bracket 12 is arranged between the switch bracket 5 and the push switch 2. The housing 1 is provided with limiting buckles 19 and limiting rib grooves 20 for quick fixing. The housing 1 is snap-fitted and fixed with the limiting groove on the switch bracket 5 through the limiting buckles 19 and the limiting rib grooves 20. The bottom end of the first rotary switch 3 is provided with a first conductive elastic sheet 10 through a fixing column, and a first circuit board 11 fixed to the switch bracket 5 is arranged below the first conductive elastic sheet 10. A first rotating ball 8 and a first spring 9 are arranged in the middle of the first fixing bracket 6. A second rotating ball 17 and a second spring 16 are arranged in the middle of the second fixing bracket 7. The push bracket 12 is attached to the conductive rubber 13, the conductive rubber 13 is attached to the second circuit board 14, and the second circuit board 14 and the conductive rubber 13 form a first circuit structure. A limiting column fixed to the second conductive elastic sheet 15 is arranged on one side of the second rotary switch 4 close to the second circuit board 14. Connecting wire bundles 18 are arranged on both the first circuit board 11 and the second circuit board 14, and an FPC connector is arranged on the first circuit board 11 and the second circuit board 14 through the connecting wire bundles 18. Through the arrangement of the limiting buckles 19 and the limiting rib grooves 20 on the housing 1 for snap-fitting and fixing with the switch bracket 5, and the position of the push switch 2 inside the switch bracket 5, while the first rotary switch 3 and the second rotary switch 4 are limited on the switch bracket 5 by the first fixing bracket 6 and the second fixing bracket 7, the switch structure is simple, the installation speed is fast, the installation requires little space, and the installation is convenient.

[0025] Embodiment 2, as Figure 1-5 As shown in the figure, the present utility model provides a technical solution: an automotive wiper switch assembly, wherein an anti-corrosion strengthening component is arranged on the outer wall of the housing 1. The anti-corrosion strengthening component includes a strengthening layer 21 and an H-shaped strengthening rib 22. The outer wall of the housing 1 is provided with the strengthening layer 21, and the H-shaped strengthening rib 22 is arranged inside the strengthening layer 21. A polyethylene coating 23 is arranged on the outer wall of the strengthening layer 21. By designing the H-shaped strengthening rib 22 at the housing 1, the compressive capacity at the housing 1 is increased, thereby making the service life of the housing 1 longer. And by coating the polyethylene coating 23 on the outer wall of the strengthening layer 21, the anti-corrosion effect can be increased.

[0026] Working principle: First, the limit buckle 19 and the limit rib groove 20 are arranged on the outer shell 1 to be clamped and fixed with the switch bracket 5, and the position of the push switch 2 is inside the switch bracket 5. The first rotary switch 3 and the second rotary switch 4 are limited on the switch bracket 5 through the first fixing bracket 6 and the second fixing bracket 7, making the switch structure simple, with fast installation speed, small installation space, and convenient installation. The first rotary switch 3 is connected to the first circuit board 11 to achieve different functions, and the push switch 2 is connected to the second circuit board 14 to form a circuit structure to realize the function of the push switch 2. The first ball 8, the first spring 9, the second ball 17, and the second spring 16 can increase the feel of gear shifting when the first rotary switch 3 and the second rotary switch 4 rotate. The outer shell 1 is designed with an H-shaped reinforcing rib 22 to increase the compressive capacity of the outer shell 1, thereby making the service life of the outer shell 1 longer. And a polyethylene coating 23 is applied to the outer wall of the reinforcing layer 21 to increase the anti-corrosion effect.

[0027] Finally, it should be noted that the above content is only used to illustrate the technical solution of the present invention, rather than limiting the protection scope of the present invention. Any simple modification or equivalent replacement made by those of ordinary skill in the art to the technical solution of the present invention shall not depart from the essence and scope of the technical solution of the present invention.

Claims

1. A car wiper switch assembly, comprising a housing (1), a first knob switch (3) and a switch bracket (5), characterized in that: The first knob switch (3) is provided with a limit convex ring protruding outward inside, and a switch bracket (5) is provided inside the first knob switch (3) through the limit convex ring. A push switch (2) penetrating the first knob switch (3) is provided on one side of the switch bracket (5). A second knob switch (4) is installed on a rotating support on the outer wall of the switch bracket (5). A first fixing bracket (6) and a second fixing bracket (7) for axially limiting the first knob switch (3) and the second knob switch (4) are provided on both sides of the switch bracket (5). A push bracket (12) is provided between the switch bracket (5) and the push switch (2). A limit buckle (19) and a limit rib groove (20) for quick fixing are provided on the housing (1). The housing (1) is fixed to the upper limit groove of the switch bracket (5) by the limit buckle (19) and the limit rib groove (20). The outer wall of the housing (1) is provided with a reinforced anti-corrosion component.

2. The automobile wiper switch assembly according to claim 1, characterized in that: A first conductive spring sheet (10) is arranged at the bottom end of the first knob switch (3) via a fixing column, and a first circuit board (11) fixed to the switch bracket (5) is arranged below the first conductive spring sheet (10).

3. The automobile wiper switch assembly according to claim 1, characterized in that: A first rotating ball (8) and a first spring (9) are arranged in the middle of the first fixing bracket (6).

4. The automobile wiper switch assembly according to claim 1, characterized in that: A second rotating ball (17) and a second spring (16) are arranged in the middle of the second fixing bracket (7).

5. The automobile wiper switch assembly according to claim 1, characterized in that: The pressing bracket (12) is fitted with the conductive rubber (13), the conductive rubber (13) is fitted with the second circuit board (14), the second circuit board (14) and the conductive rubber (13) form a first circuit structure, and a limiting column fixed to the second conductive spring sheet (15) is provided on a side of the second knob switch (4) close to the second circuit board (14).

6. The automobile wiper switch assembly according to claim 2, characterized in that: The first circuit board (11) and the second circuit board (14) are both provided with a connecting harness (18), and the first circuit board (11) and the second circuit board (14) are provided with an FPC connector via the connecting harness (18).

7. The automobile wiper switch assembly according to claim 1, characterized in that: The reinforced anti-corrosion component comprises a reinforcement layer (21) and H-shaped reinforcement ribs (22); the outer wall of the outer shell (1) is provided with the reinforcement layer (21), and the interior of the reinforcement layer (21) is provided with H-shaped reinforcement ribs (22); and the outer wall of the reinforcement layer (21) is provided with a polyethylene coating (23).

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