Multifunctional switch with optimized waterproof and dustproof structure

By adopting a structural design of diversion, leakage plugging and separation in the automotive multi-function switch, the problem of poor waterproof and dustproof functions in the prior art is solved, and effective waterproof and dustproof of buttons, dials and knobs is realized, reducing production costs and improving interchangeability.

CN222952950UActive Publication Date: 2025-06-06HUBEI ZHONGSHENG AUTOMOBILE ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202422091090.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-28
Publication Date
2025-06-06
Estimated Expiration
2034-08-28

AI Technical Summary

Technical Problem

There are structural differences in existing automotive multifunction switches in terms of waterproofing and dustproofing, which is difficult to meet the functional requirements of different types of switches, resulting in high production costs and poor interchangeability.

Method used

Different structural designs of diversion, leakage plugging and separation are adopted. By setting drainage holes, conductive rubber and partition strips on the switch housing, the waterproof and dustproof functions of keys, dials and knobs are realized.

Benefits of technology

It realizes effective waterproofing and dustproofing of buttons, dials and knobs of multi-function switches, reducing production costs and improving interchangeability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a multifunctional switch with waterproof and dustproof measures on an automobile, in particular to a multifunctional switch with an optimized waterproof and dustproof structure. According to different structures of the key, the toggle and the knob of the multifunctional switch, different structural designs of dredging, leaking stoppage and separation are adopted, so that waterproof and dustproof functions of the key, the toggle and the knob of the multifunctional switch are realized.
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Description

Technical Field

[0001] The utility model relates to a multifunctional electrical switch with waterproof and dustproof measures on a car, in particular to a multifunctional switch with an optimized waterproof and dustproof structure. Background Art

[0002] The automotive market is changing with each passing day. Some specific models have markets all over the world, and the functional configurations of vehicles around the world are not exactly the same. In order to meet the functional requirements of different configurations, reduce the production cost of the whole vehicle and improve interchangeability, a multifunctional switch with a self-resetting switch button, a dial button and a positioning knob came into being. Since different types of switches have different internal structures, different waterproof and dustproof measures are required to meet consumer requirements. Summary of the invention

[0003] The utility model aims to realize the waterproof and dustproof functions of the buttons, dials and knobs of the multi-function switch by adopting different structural designs of dredging, plugging and separation according to the different structures of the buttons, dials and knobs of the multi-function switch.

[0004] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a multifunctional switch with optimized waterproof and dustproof structure, comprising a panel, a button, a dial button, a slider, a switch housing, a conductive rubber, a PCB board, a bottom plate, a knob, a waterproof cover, a knob switch module, a slider slot, and a waterproof cover connection port, wherein the switch housing is divided into two upper and lower chambers, a plurality of drainage holes are opened at the bottom of the upper chamber, the upper part of the upper chamber is connected to the panel, and a plurality of button assemblies and knob assemblies are installed on the panel;

[0005] There are two parallel partition bars in the middle of the lower chamber of the switch housing. The two partition bars are integrated with the switch housing and divide the lower chamber of the switch housing into a button chamber and a knob chamber; the partition bars are pressed tightly on the conductive rubber, the conductive rubber is pressed tightly on the PCB board and wraps the side of the PCB board, the PCB board is pressed tightly on the bottom plate, and the bottom plate is clamped with the bottom of the lower chamber of the switch housing.

[0006] Furthermore, eight drainage holes are opened at the bottom of the upper compartment of the switch housing, and are specifically arranged with two drainage holes evenly distributed on each of the four surfaces.

[0007] Furthermore, the upper portion of the upper compartment of the switch housing is snap-fitted to the panel by means of a plurality of panel snap-fitting grooves on the panel and corresponding panel snaps on the switch housing.

[0008] Furthermore, the button assembly is divided into a button assembly and a dial assembly, the button assembly includes a button and a slider, wherein the button passes through the corresponding position on the panel and is clamped on a slider below it, the slider is inserted into the slider slot on the switch housing, and the switch contact at the lower end of the slider corresponds to the switch contact on the conductive rubber; the dial assembly is a dial button, which is separately plugged into the panel.

[0009] Furthermore, the knob assembly includes a knob, a waterproof cover, a knob switch module, and a waterproof cover connecting port, wherein the knob passes through a corresponding position on the panel and is clamped on a waterproof cover below it, the waterproof cover is plugged into the waterproof cover connecting port, the waterproof cover can rotate on the waterproof cover connecting port, the waterproof cover connecting port is integrated with the switch housing, and a knob switch module is inserted into the center hole of the waterproof cover connecting port, the upper end of the knob switch module is plugged into the knob, and the lower end contacts the corresponding switch contacts on the PCB board.

[0010] Furthermore, the bottom plate is snap-fitted to the bottom of the lower chamber of the switch housing by a plurality of bottom plate buckles on the bottom plate being snap-fitted to corresponding bottom plate slots on the switch housing.

[0011] The beneficial effects of the utility model: Compared with the prior art, the utility model provides a multifunctional switch with a simple structure. According to the different structures of the buttons, dials and knobs of the multifunctional switch, different structural designs of drainage, plugging and separation are adopted to achieve the waterproof and dustproof functions of the buttons, dials and knobs of the multifunctional switch. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the main structure of a multifunctional switch with an optimized waterproof and dustproof structure according to the utility model;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of a switch housing of a multifunctional switch with an optimized waterproof and dustproof structure according to the utility model;

[0014] Figure 3 yes Figure 2 A schematic diagram of a three-dimensional structure viewed from above;

[0015] Figure 4 The utility model is a schematic diagram of an exploded three-dimensional structure of a multifunctional switch with an optimized waterproof and dustproof structure.

[0016] As shown in the figure: 1- panel, 2- button, 3- dial button, 4- slider, 5- switch housing, 6- conductive rubber, 7- PCB board, 8- bottom plate, 9- panel slot, 10- knob, 11- waterproof cover, 12- panel buckle, 13- drainage hole, 14- bottom plate slot, 15- knob switch module, 16- bottom plate buckle, 17- slider slot, 18- waterproof cover connection port, 19- button compartment, 20- partition bar, 21- knob compartment. DETAILED DESCRIPTION

[0017] The technical solution of the utility model will be clearly and completely described below in conjunction with the accompanying drawings.

[0018] like Figures 1 to 4 As shown, a multifunctional switch with an optimized waterproof and dustproof structure includes a panel 1, a button 2, a dial button 3, a slider 4, a switch housing 5, a conductive rubber 6, a PCB board 7, a bottom plate 8, a knob 10, a waterproof cover 11, a knob switch module 15, a slider slot 17, and a waterproof cover connection port 18. The switch housing 5 is divided into two upper and lower chambers, and a plurality of drainage holes 13 are opened at the bottom of the upper chamber. The upper part of the upper chamber is clamped with the panel 1, and a plurality of button assemblies and knob assemblies are installed on the panel 1.

[0019] There are two mutually parallel partition bars 20 in the middle of the lower chamber of the switch housing 5. The two partition bars 20 are integrated with the switch housing 5 and divide the lower chamber of the switch housing 5 into a key chamber 19 and a knob chamber 21; the partition bars 20 are pressed tightly on the conductive rubber 6, the conductive rubber 6 is pressed tightly on the PCB board 7 and wraps the side of the PCB board 7, the PCB board 7 is pressed tightly on the bottom plate 8, and the bottom plate 8 is clamped with the bottom of the lower chamber of the switch housing 5;

[0020] In this embodiment, the partition strip 20 divides the lower chamber of the switch housing 5 into a button chamber 19 and a knob chamber 21. The purpose is to adopt a separated structural design to prevent water and dust in the button chamber 19 from entering the knob chamber 21, thereby protecting the PCB board in the knob chamber 21.

[0021] like Figures 2 to 4 As shown, eight drainage holes 13 are opened at the bottom of the upper compartment of the switch housing 5, and the specific arrangement is that two drainage holes 13 are evenly distributed on each of the four surfaces;

[0022] In this embodiment, water and dust in the upper chamber of the switch housing 5 are discharged through eight drainage holes 13 .

[0023] like Figure 4 As shown, the upper part of the upper compartment of the switch housing 5 is snap-fitted with the panel 1 by means of a plurality of panel snap-fitting slots 9 on the panel 1 and corresponding panel snap-fitting buckles 12 on the switch housing 5;

[0024] In this embodiment, eight panel buckles 12 are arranged on the upper part of the upper compartment of the switch housing 5 , and are snapped into the panel buckle slots 9 on the corresponding panel 1 .

[0025] like Figures 2 to 4 As shown, the button assembly is divided into a button assembly and a dial button assembly, the button assembly includes a button 2 and a slider 4, wherein the button 2 passes through the corresponding position on the panel 1 and is clamped on a slider 4 below it, the slider 4 is inserted into the slider clamping groove 17 on the switch housing 5, and the switch contact at the lower end of the slider 4 corresponds to the switch contact on the conductive rubber 6; the dial button assembly is a dial button 3, which is separately inserted into the panel 1;

[0026] In this embodiment, water and dust flow into the conductive rubber of the key compartment 19 through the gap of the button assembly, and flow out of the switch through the gap between the conductive rubber and the edge of the switch housing 5; the conductive rubber is tightly attached to the top of the PCB board 7 and wraps around the side of the PCB board 7, protecting the PCB board 7 from contact with water and dust.

[0027] like Figure 4 As shown, the knob assembly includes a knob 10, a waterproof cover 11, a knob switch module 15, and a waterproof cover connection port 18, wherein the knob 10 passes through the corresponding position on the panel 1 and is clamped on a waterproof cover 11 below it, the waterproof cover 11 is plugged into the waterproof cover connection port 18, the waterproof cover 11 can rotate on the waterproof cover connection port 18, the waterproof cover connection port 18 is integrated with the switch housing 5, and a knob switch module 15 is inserted into the central hole of the waterproof cover connection port 18, the upper end of the knob switch module 15 is plugged into the knob 10, and the lower end is in contact with the corresponding switch contact on the PCB board 7;

[0028] In this embodiment, the waterproof cover 11 effectively blocks water and dust from flowing into the knob chamber 21 , so that the water and dust flowing in through the gap of the knob 10 are discharged from the drainage hole 13 of the upper chamber of the switch housing 5 .

[0029] like Figure 4 As shown, the bottom plate 8 is snap-fitted with the bottom of the lower chamber of the switch housing 5 by means of a plurality of bottom plate buckles 16 on the bottom plate 8 being snap-fitted with corresponding bottom plate slots 14 on the switch housing 5;

[0030] In this embodiment, ten bottom plate buckles 16 are arranged on the bottom plate 8 , which are snapped into the bottom plate buckle slots 14 of the corresponding switch housing 5 .

[0031] In addition, the button assembly and the knob assembly described in the present invention, as well as their structure, position, function, etc. in the switch are all mature existing technologies and common knowledge, and the present invention will not explain them in detail.

[0032] The specific working principle of this utility model:

[0033] First, through the leak-proof technical structure design, the water and dust flowing in through the gap between the panel 1 and the knob 10 are blocked by the waterproof cover 11, so that they cannot flow into the knob compartment 21, and the flowing water and dust are discharged through the drainage hole 13 of the compartment on the switch housing 5.

[0034] Then, through the technical structure design of drainage, the water and dust flowing in through the gap between the panel 1 and the button assembly are drained into the key compartment 19, and flow out of the switch through the gap between the conductive rubber in the key compartment 19 and the edge of the switch housing 5; the conductive rubber is tightly attached to the top of the PCB board 7 and wraps the side of the PCB board 7, protecting the PCB board 7 from contact with water and dust.

[0035] Finally, through the technical structural design of separation, the partition strip 20 is used to divide the lower chamber of the switch housing 5 into a button chamber 19 and a knob chamber 21. The purpose is to adopt a separated structural design to prevent water and dust in the button chamber 19 from entering the knob chamber 21, thereby protecting the PCB board in the knob chamber 21.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any simple modification, equivalent replacement, improvement, etc. made within the technical concept of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional switch with an optimized waterproof and dustproof structure, comprising a panel (1), a button (2), a dial button (3), a slider (4), a switch housing (5), a conductive rubber (6), a PCB board (7), a bottom plate (8), a knob (10), a waterproof cover (11), a knob switch module (15), a slider slot (17), and a waterproof cover connection port (18), characterized in that: The switch housing (5) is divided into two upper and lower chambers, the bottom of the upper chamber is provided with a plurality of drainage holes (13), the upper portion of the upper chamber is snap-connected to the panel (1), and a plurality of button assemblies and knob assemblies are mounted on the panel (1); Two mutually parallel partition bars (20) are provided in the middle of the lower chamber of the switch housing (5); the two partition bars (20) are integrated with the switch housing (5) and divide the lower chamber of the switch housing (5) into a key chamber (19) and a knob chamber (21); the partition bars (20) are pressed tightly against the conductive rubber (6); the conductive rubber (6) is pressed tightly against the PCB board (7) and wraps around the side of the PCB board (7); the PCB board (7) is pressed tightly against the bottom plate (8); and the bottom plate (8) is clamped with the bottom of the lower chamber of the switch housing (5).

2. A multifunctional switch with optimized waterproof and dustproof structure according to claim 1, characterized in that: The bottom of the upper chamber of the switch housing (5) is provided with eight drainage holes (13), which are specifically arranged such that two drainage holes (13) are evenly distributed on each of the four surfaces.

3. A multifunctional switch with optimized waterproof and dustproof structure according to claim 2, characterized in that: The upper portion of the upper compartment of the switch housing (5) is snap-fitted to the panel (1) by means of a plurality of panel snap-fitting grooves (9) on the panel (1) and corresponding panel snaps (12) on the switch housing (5).

4. The multifunctional switch with optimized waterproof and dustproof structure according to claim 3, characterized in that: The button assembly is divided into a button assembly and a dial assembly. The button assembly comprises a button (2) and a slider (4). The button (2) passes through a corresponding position on the panel (1) and is clamped on a slider (4) below the button. The slider (4) is inserted into a slider clamping groove (17) on the switch housing (5). The switch contact at the lower end of the slider (4) corresponds to the switch contact on the conductive rubber (6). The dial assembly is a dial button (3) which is separately inserted into the panel (1).

5. The multifunctional switch with optimized waterproof and dustproof structure according to claim 3, characterized in that: The knob assembly comprises a knob (10), a waterproof cover (11), a knob switch module (15), and a waterproof cover connection port (18), wherein the knob (10) passes through a corresponding position on the panel (1) and is snap-fitted onto a waterproof cover (11) below the knob (10), the waterproof cover (11) is plugged into the waterproof cover connection port (18), the waterproof cover (11) can rotate on the waterproof cover connection port (18), the waterproof cover connection port (18) is integrated with the switch housing (5), and a knob switch module (15) is inserted into the central hole of the waterproof cover connection port (18), the upper end of the knob switch module (15) is plugged into the knob (10), and the lower end contacts the corresponding switch contact on the PCB board (7).

6. A multifunctional switch with an optimized waterproof and dustproof structure according to any one of claims 1 to 5, characterized in that: The bottom plate (8) is snap-fitted to the bottom of the lower chamber of the switch housing (5) by means of a plurality of bottom plate buckles (16) on the bottom plate (8) being snap-fitted to corresponding bottom plate snap grooves (14) on the switch housing (5).