Waterproof combined function switch

By employing an independent chamber, a silver-plated nickel alloy layer, a double-layer silicone sealing ring, and a waterproof and breathable membrane in the electric vehicle combination switch, combined with a flow guide groove and a one-way drainage hole, the sealing problem of the electric vehicle combination switch in rainy environments is solved, extending its service life and improving its corrosion resistance.

CN224082375UActive Publication Date: 2026-04-03HONGDA TRAVEL TECHNOLOGY (WUXI) CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-18
Publication Date
2026-04-03

AI Technical Summary

Technical Problem

Traditional electric vehicle combination switches are easily damaged in rainy weather. Poor sealing allows rainwater to seep in, causing short circuits and corrosion, thus shortening their service life.

Method used

The waterproof combination function switch is designed with an independent chamber, a silver-plated nickel alloy layer, a double-layer silicone sealing ring, and a waterproof and breathable membrane. Combined with a flow channel and a one-way drainage hole, it achieves dynamic waterproofing and corrosion resistance.

Benefits of technology

It effectively prevents rainwater from seeping in, extends the life of the switch, improves corrosion resistance, and ensures normal operation in humid environments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a waterproof combined function switch, which comprises a shell, a plurality of independent cavities are arranged in the shell, and a switch assembly is arranged in each independent cavity. The switch assembly comprises a circuit board, a microswitch, a double-layer silica gel sealing ring layer, a waterproof breathable film, pins and a silver-nickel alloy layer, the circuit board is arranged in the independent cavity, the microswitch is fixedly connected to the front side of the circuit board, the pins are fixedly connected to the four corners of the left end and the right end of the microswitch, and the silver-nickel alloy layer is fixedly connected to the front side of the circuit board. A silver-nickel alloy layer is arranged on the surface of the outer side of each pin. The independent cavities and the drainage assembly are arranged, the independent cavities are formed in the shell of the combined switch, each key is independently installed in the corresponding independent cavity, the drainage assembly is installed on the peripheral edge of the middle of the shell, and the drainage assembly is composed of a flow guide groove and a one-way drainage hole, so that the problem of multi-switch cooperative water prevention is solved, and the service life of the switch is prolonged.
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Description

Technical Field

[0001] This utility model relates to the field of electric vehicle control technology, and in particular to a waterproof combination function switch. Background Technology

[0002] Electric vehicles, also known as "electric cars," are pure electric motor vehicles powered by batteries and driven by electric motors (DC, AC, series, and separately excited).

[0003] Combination switches are installed on the handlebars of electric vehicles. During riding, rainy weather can cause rainwater to seep into the combination switches, damaging them. Traditional electric two-wheeler combination switches often have poor sealing when multiple switches are integrated, allowing rainwater to easily seep in and cause short circuits. The lack of drainage design also leads to water accumulation and corrosion of the contacts, further shortening their lifespan. Utility Model Content

[0004] The purpose of this invention is to provide a waterproof combination functional switch that solves the problem of waterproofing multiple switches in tandem, extends the service life of the switch, improves its corrosion resistance, and achieves dynamic waterproofing.

[0005] To achieve the above objectives, a waterproof modular function switch is provided, comprising a housing with multiple independent chambers inside. Each independent chamber houses a switch assembly, which includes a circuit board, a micro switch, a double-layer silicone sealing ring, a waterproof and breathable membrane, pins, and a silver-nickel alloy layer. The circuit board is fixedly connected to the front of the circuit board, and pins are fixedly connected to the four corners of both ends of the micro switch. A silver-nickel alloy layer is provided on the outer surface of the pins. A double-layer silicone sealing ring is provided on the top of the micro switch, and waterproof and breathable membranes are provided around the sides of the micro switch. A drainage assembly is provided around the inside of the housing.

[0006] According to the aforementioned waterproof combination function switch, the switch assembly further includes a button. The button is located on the front side of the micro switch and is inserted into the housing. The button is positioned on the outside of the housing for easy user operation.

[0007] According to the aforementioned waterproof combined functional switch, the drainage component includes a guide groove and a one-way drainage hole, and the guide groove is provided around the center of the housing.

[0008] According to the aforementioned waterproof combined function switch, a one-way drainage hole is provided at the bottom center of the housing, and both the left and right sides of the one-way drainage hole are connected to the guide groove.

[0009] According to the aforementioned waterproof combined functional switch, the bottom of the flow guide groove has an inclination angle of 5°-10°, and the surface of the flow guide groove is covered with a hydrophobic coating.

[0010] According to the aforementioned waterproof combination function switch, a through hole is provided in the middle of the right side of the housing, and a locking ring is provided at the right end of the through hole.

[0011] According to the aforementioned waterproof combination function switch, a locking hole is provided at the top of the outer front end of the housing, and a locking screw is inserted into the locking hole. The rear end of the locking screw is threadedly connected to the top of the locking ring.

[0012] The above-mentioned solution has the following beneficial effects:

[0013] This invention solves the problem of waterproofing multiple switches by setting up independent chambers and drainage components. Each button is independently installed in an independent chamber, and a drainage component consisting of a guide groove and a one-way drainage hole is installed at the perimeter of the middle part of the outer shell. This extends the service life of the switches.

[0014] 2. This utility model improves the corrosion resistance and achieves dynamic waterproofing by setting a silver-nickel alloy layer, a double-layer silicone sealing ring layer, and a waterproof and breathable membrane around the micro switch.

[0015] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1 This is a three-dimensional structural exploded view of a waterproof combined functional switch according to this utility model;

[0018] Figure 2 This is a three-dimensional front view of the overall structure of a waterproof combined functional switch according to this utility model;

[0019] Figure 3 This is a three-dimensional rear view of the overall structure of a waterproof combined functional switch according to this utility model;

[0020] Figure 4 This is a three-dimensional view of the bottom of a waterproof combined functional switch according to this utility model.

[0021] Figure 5This is a detailed illustration of a micro switch, a waterproof combined functional switch according to this utility model.

[0022] Figure 6 This is an installation diagram of a waterproof combination function switch according to the present invention.

[0023] Legend:

[0024] 1. Housing; 2. Independent chamber; 3. Switch assembly; 301. Circuit board; 302. Micro switch; 303. Button; 304. Double-layer silicone sealing ring; 305. Waterproof and breathable membrane; 306. Pin; 307. Silver-nickel alloy layer; 4. Drainage assembly; 401. Guide channel; 402. One-way drain hole; 5. Through hole; 6. Locking ring; 7. Locking hole; 8. Locking screw. Detailed Implementation

[0025] This section will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but they should not be construed as limiting the scope of protection of the present utility model.

[0026] Reference Figure 1-6 This utility model discloses a waterproof combined functional switch, comprising a housing 1 made of flame-retardant PC plastic. The housing 1 has multiple independent chambers 2 inside, each with its own isolation cavity. Each microswitch (e.g., for headlights, horns, or mode switching) is placed within an independent chamber 2. A switch assembly 3 is housed within each independent chamber 2. The switch assembly 3 includes a circuit board 301, a microswitch 302, a double-layer silicone sealing ring 304, a waterproof and breathable membrane 305, pins 306, and a silver-nickel alloy layer 307. The circuit board 301 is located inside each independent chamber 2, and the microswitch 302 is fixedly connected to the front of the circuit board 301. A double-layer silicone sealing ring 304 is provided at the contact point with button 303. The double-layer silicone sealing ring 304 is high-temperature resistant silicone with a temperature resistance of -40℃ to 120℃. Pins 306 are fixedly connected to the four corners of both ends of micro switch 302. A silver-nickel alloy layer 307 with a thickness of 0.05mm is provided on the outer surface of pins 306. A double-layer silicone sealing ring 304 is provided on the top of micro switch 302. Waterproof and breathable membranes 305 are provided on all four sides of micro switch 302. Drainage components 4 are provided on all four sides of the inside of the outer shell 1. The combination of double-layer silicone sealing ring 304 and waterproof and breathable membrane 305 achieves dynamic waterproofing and maintains a seal when pressed.

[0027] The switch assembly 3 also includes a button 303. The button 303 is located on the front side of the micro switch 302 and is inserted into the housing 1. The drainage assembly 4 includes a guide channel 401 and a one-way drainage hole 402. The guide channel 401 is provided around the inside of the housing 1. The guide channel 401 is a firearm guide channel. The one-way drainage hole 402 is provided in the middle of the bottom end of the housing 1. The diameter of the one-way drainage hole 402 is 1-2mm, and both the left and right sides of the one-way drainage hole 402 are connected to the guide channel 401. The bottom end of the guide channel 401 is inclined at an angle of 5°-10°, and the surface of the guide channel 401 is covered with a hydrophobic coating. The right side of the housing 1 has a through hole 5, and the right end of the through hole 5 is provided with a locking ring 6. The top of the front end of the outer side of the housing 1 has a locking hole 7. A locking screw 8 is inserted into the locking hole 7, and the rear end of the locking screw 8 is threadedly connected to the top of the locking ring 6.

[0028] Working principle: The left and right switches are installed on the left and right ends of the handlebars of the electric vehicle. The switch has a high beam switch, a low beam switch, a hazard light switch, a start switch, etc. The locking ring 6 is attached to the handlebars and the locking screw 8 is used to tighten the locking ring 6 to the handlebars. The user presses the button 303 to realize the function operation. When rainwater falls on the combination switch, the water flows down from the guide groove 401 of the drainage component 4 and collects at the one-way drainage hole 402 and leaves the combination switch.

[0029] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A waterproof combination function switch comprising: The shell (1) is characterized in that the inside of the shell (1) is provided with independent chambers (2), the number of the independent chambers (2) is multiple, the inside of the independent chamber (2) is provided with a switch assembly (3), the switch assembly (3) comprises a circuit board (301), a micro switch (302), a double-layer silica gel sealing ring layer (304), a waterproof and breathable film (305), a pin (306) and a silver-nickel alloy layer (307), the inside of the independent chamber (2) is provided with the circuit board (301), the front side of the circuit board (301) is fixedly connected with the micro switch (302), the four corners of the left and right ends of the micro switch (302) are fixedly connected with the pins (306), the outer side surface of the pin (306) is provided with the silver-nickel alloy layer (307), the top of the micro switch (302) is provided with the double-layer silica gel sealing ring layer (304), the side surface of the micro switch (302) is provided with the waterproof and breathable film (305), and the inside of the shell (1) is provided with a drainage assembly (4).

2. The waterproof combined function switch according to claim 1, characterized in that, The switch assembly (3) further comprises a key (303), the front side of the micro switch (302) is provided with the key (303), and the key (303) is inserted into the shell (1).

3. The waterproof combined function switch according to claim 1, characterized in that, The drainage assembly (4) comprises a flow guide groove (401) and a one-way drainage hole (402), and the middle part of the shell (1) is provided with the flow guide groove (401).

4. The waterproof combined function switch according to claim 1, characterized in that, The bottom end of the shell (1) is provided with the one-way drainage hole (402), and the left and right sides of the one-way drainage hole (402) are communicated with the flow guide groove (401).

5. The waterproof combined function switch according to claim 4, characterized in that, The bottom end of the flow guide groove (401) is inclined at an angle of 5°-10°, and the surface of the flow guide groove (401) is covered with a hydrophobic coating.

6. The waterproof combined function switch according to claim 1, characterized in that, The right side of the shell (1) is provided with a through hole (5), and the right end of the through hole (5) is provided with a locking ring (6).

7. The waterproof combined function switch according to claim 1, characterized in that, The front end of the shell (1) is provided with a locking hole (7), the inside of the locking hole (7) is inserted with a locking screw (8), and the rear end of the locking screw (8) is threadedly connected with the top of the locking ring (6).