Power switch assembly for vehicle
By improving the automotive power switch assembly through modular design and sealed structure, the problems of large size, poor waterproof performance and complicated installation have been solved, achieving the effects of compactness, waterproofness, simplified installation and reduced failure rate.
Patent Information
- Application Number
- CN202520443499.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2026-02-10
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing automotive power switch assemblies are bulky and not compact, lack waterproofing, have large switch wrenches that are prone to accidental activation, and have cumbersome wiring terminal installation.
It adopts a modular design and uses connectors for installation. The switch wrench is made of plastic and equipped with a waterproof sleeve. The electrical interface has a threaded rotating guide groove. The wiring terminals are riveted with copper pillars. The box body is ultrasonically welded. The protective cover is connected by a rotating shaft and adopts a sealed structure.
It features a compact design, excellent waterproof sealing performance, simplified installation process, reduced failure rate, prevents rainwater ingress, reduces the risk of accidental contact, and is suitable for extremely cold environments.
Smart Images

Figure CN223898208U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of automotive parts technology, specifically to a vehicle power switch assembly. Background Technology
[0002] Existing automotive power switch assemblies have the following technical defects:
[0003] 1. The product is large in size and not compact in structure, and lacks waterproof design.
[0004] 2. The switch wrench is too large, posing a risk of accidental activation and affecting operational reliability;
[0005] 3. The wiring terminals are fixed with bolts, which makes the installation process cumbersome and inconvenient. Utility Model Content
[0006] To address the shortcomings of existing technologies, the purpose of this utility model is to provide a vehicle power switch assembly that adopts modular installation, is small in size, and has better waterproof and sealing performance; it can be installed by connector docking, making the installation method simpler.
[0007] To achieve the above objectives, the technical solution adopted by this utility model is as follows: a vehicle power switch assembly, including a housing, an electrical interface, and a switching mechanism; the electrical interface is connected to the housing, and the interface terminals within the electrical interface extend into the internal cavity of the housing; the switching mechanism includes a switch body and a switch lever; the switch body is disposed in the internal cavity of the housing, the switch body has a hollow structure, and a bracket is provided on the inner bottom wall of the switch body, and a rocker arm is provided on the bracket; the inner bottom wall of the switch body is provided with a contact point adapted to the rocker arm; the outer bottom wall of the switch body is provided with a wiring terminal, one end of the wiring terminal is connected to the contact point, and the other end of the wiring terminal is connected to the interface terminal; the lower end of the switch lever extends into the switch body and is provided with a switch pressure plate adapted to the rocker arm, and the upper end of the switch lever extends out from the housing.
[0008] A further improvement is that the portion of the switch wrench located outside the housing is fitted with a waterproof sleeve.
[0009] A further improvement is that the switch wrench is made of plastic material, and the waterproof sleeve is made of EPDM rubber.
[0010] A further improvement is that the outer wall of the electrical interface is provided with a threaded rotary guide groove.
[0011] A further improvement is that the switch body is provided with a connection port, which extends out of the housing and is locked with a nut; the switch wrench extends into the switch body through the connection port.
[0012] A further improvement is that the switch wrench is provided with a spherical expansion part that is adapted to the connection port, and a sealing ring is provided between the nut and the housing.
[0013] A further improvement is that one end of the terminal block is riveted to the contact inside the switch body by a copper post, and the other end of the terminal block is connected to the interface terminal by a wire screw and a flexible wire.
[0014] A further improvement is that the box body is sealed by ultrasonic welding, and the box body is provided with several mounting holes.
[0015] A further improvement is that it also includes a protective cover, and the box body is provided with a mounting base. One end of the protective cover is connected to the mounting base through a rotating shaft, and the protective cover is provided with a groove that is compatible with the switch wrench.
[0016] A further improvement is that it also includes a spring, a first pin is provided on the mounting base, a second pin is provided in the groove of the protective cover, and the two ends of the spring are respectively connected to the first pin and the second pin.
[0017] The beneficial effects of this utility model are as follows:
[0018] 1. In this utility model, modular installation is adopted, which results in small size and better waterproof and sealing performance; it can be installed by connector docking, making the installation method simpler.
[0019] 2. In this utility model, a mechanical switch wrench is used, resulting in a lower failure rate. The entire unit is sealed to reduce rainwater ingress and prevent electrical components from burning out.
[0020] 3. In this utility model, the electrical interface adopts three threaded rotating guide grooves, which can effectively prevent rainwater and mud from entering the connection terminal, and at the same time prevent the docking plug from becoming loose due to vehicle vibration.
[0021] 4. In this utility model, the switch wrench is made of plastic, which can prevent fingers from freezing when used in extremely cold conditions.
[0022] 5. In this utility model, the stainless steel metal nut has a sealing ring underneath to prevent rainwater from entering; and the switch wrench is protected by a EPDM waterproof sleeve to prevent mud and sand from entering. Attached Figure Description
[0023] Figure 1 This is a perspective view of the vehicle power switch assembly in an embodiment of this utility model;
[0024] Figure 2 This is a front view of the vehicle power switch assembly in an embodiment of this utility model;
[0025] Figure 3 This is a left view of the vehicle power switch assembly in an embodiment of this utility model;
[0026] Figure 4 This is a right view of the vehicle power switch assembly in an embodiment of this utility model;
[0027] Figure 5 This is a top view of the vehicle power switch assembly in an embodiment of this utility model;
[0028] Figure 6 This is a bottom view of the vehicle power switch assembly in an embodiment of this utility model;
[0029] Figure 7 This is a schematic diagram of the internal structure of the vehicle power switch assembly in this embodiment of the present invention;
[0030] Figure 8 This is a cross-sectional view of the vehicle power switch assembly in an embodiment of this utility model;
[0031] Figure 9 This is a schematic diagram of the switching mechanism in an embodiment of the present invention;
[0032] Figure 10 This is a schematic diagram of the structure of the protective cover in an embodiment of this utility model.
[0033] Figure label:
[0034] 1-Box body; 11-Internal cavity; 12-Nut; 13-Mounting base; 14-Mounting hole;
[0035] 2-Electrical interface; 21-Interface terminal; 22-Threaded rotary guide groove;
[0036] 3-Switch mechanism; 301-Switch body; 302-Bracket; 303-Rocker; 304-Contact; 305-Terminal; 306-Wire clamping screw; 307-Switch wrench; 308-Switch pressure plate; 309-Connection port; 310-Spherical expansion part; 311-Waterproof sleeve;
[0037] 4-Protective cover; 41-Groove; 42-Spindle; 43-First pin; 44-Second pin. Detailed Implementation
[0038] The embodiments of this utility model are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout.
[0039] In the description of this utility model, it should be noted that the directional terms such as "center", "horizontal (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", and "counterclockwise" indicate the orientation and positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. They should not be construed as limiting the specific protection scope of this utility model.
[0040] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features. Thus, the use of "first" and "second" to define a feature may explicitly or implicitly include one or more of that feature. In the description of this utility model, "several" or "a number" means two or more, unless otherwise explicitly specified.
[0041] The following description, in conjunction with the accompanying drawings, further illustrates specific embodiments of the present invention, making the technical solution and beneficial effects of the present invention clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0042] See Figures 1-6 As shown, this utility model embodiment provides a vehicle power switch assembly, including a housing 1, an electrical interface 2, and a switching mechanism 3; specifically, the housing 1 is sealed by ultrasonic welding, and the housing 1 is provided with a plurality of mounting holes 14.
[0043] See Figures 7-8 As shown, the electrical interface 2 is connected to the housing 1, and the interface terminal 21 inside the electrical interface 2 extends into the internal cavity 11 of the housing 1; specifically, the outer wall of the electrical interface 2 is provided with three threaded rotary guide grooves 22.
[0044] See Figures 7-9As shown, the switch mechanism 3 includes a switch body 301 and a switch wrench 307. The switch body 301 is disposed in the internal cavity 11 of the housing 1. The switch body 301 has a hollow structure, and a bracket 302 is provided on the inner bottom wall of the switch body 301. A rocker arm 303 is provided on the bracket 302. The bracket has a U-shaped groove for placing the rocker arm and simultaneously realizing the conduction between the terminal block and the rocker arm. A silver contact 304 adapted to the rocker arm 303 is provided on the inner bottom wall of the switch body 301. A terminal block 305 is provided on the outer bottom wall of the switch body 301. One end of the terminal block 305 is connected to the contact 304, and the other end of the terminal block 305 is connected to the interface terminal 21. The lower end of the switch wrench 307 extends into the switch body 301 and is provided with a switch pressure plate 308 adapted to the rocker arm 303. The upper end of the switch wrench 307 extends out of the housing 1. Specifically, the portion of the switch wrench 307 located outside the housing 1 is provided with a waterproof sleeve 311. In this embodiment, the switch wrench 307 is made of plastic material, and the waterproof sleeve 311 is made of EPDM rubber. A connection port 309 is provided on the switch body 301, which extends out of the housing 1 and is locked by a nut 12; the switch wrench 307 extends into the switch body 301 through the connection port 309. The switch wrench 307 is provided with a spherical expansion portion 310 adapted to the connection port 309, and a sealing ring is provided between the nut 12 and the housing 1. Specifically, one end of the terminal block 305 is riveted to the contact 304 inside the switch body 301 by a copper post, and the other end of the terminal block 305 is connected to the interface terminal 21 by a wire screw 306 and a flexible wire.
[0045] See Figure 10 As shown, the vehicle power switch assembly also includes a protective cover 4. A mounting base 13 is provided on the housing 1. One end of the protective cover 4 is connected to the mounting base 13 via a pivot 42, and the protective cover 4 has a groove 41 adapted to the switch wrench 307. Specifically, the protective cover 4 also includes a spring. A first pin 43 is provided on the mounting base 13, and a second pin 44 is provided in the groove 41 of the protective cover 4. The two ends of the spring are connected to the first pin 43 and the second pin 44 respectively, allowing the protective cover 4 to automatically spring back.
[0046] In the description of this specification, references to terms such as "an embodiment," "preferred," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this utility model. Illustrative expressions of the above terms in this specification do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.
[0047] Based on the above description of the structure and principle, those skilled in the art should understand that this utility model is not limited to the specific embodiments described above. Improvements and substitutions based on this utility model using techniques known in the art all fall within the protection scope of this utility model and should be defined by the claims.
Claims
1. A vehicle power switch assembly, comprising a housing (1), characterized in that: It also includes an electrical interface (2) and a switching mechanism (3); The electrical interface (2) is connected to the housing (1), and the interface terminal (21) inside the electrical interface (2) extends into the internal cavity (11) of the housing (1); The switching mechanism (3) includes a switch body (301) and a switch lever (307); the switch body (301) is disposed in the internal cavity (11) of the housing (1), the switch body (301) is a hollow structure, and a bracket (302) is provided on the inner bottom wall of the switch body (301), and a rocker arm (303) is provided on the bracket (302); the inner bottom wall of the switch body (301) is provided with a contact point (3) adapted to the rocker arm (303). 04); The bottom wall of the switch body (301) is provided with a wiring terminal (305), one end of the wiring terminal (305) is connected to the contact (304), and the other end of the wiring terminal (305) is connected to the interface terminal (21); The lower end of the switch wrench (307) extends into the switch body (301) and is provided with a switch pressure plate (308) adapted to the rocker (303), and the upper end of the switch wrench (307) extends out from the box (1).
2. The automotive power switch assembly according to claim 1, characterized in that: The portion of the switch wrench (307) located outside the housing (1) is provided with a waterproof sleeve (311).
3. The automotive power switch assembly according to claim 2, characterized in that: The switch wrench (307) is made of plastic material, and the waterproof sleeve (311) is made of EPDM rubber.
4. The automotive power switch assembly according to claim 1, characterized in that: The outer wall of the electrical interface (2) is provided with a threaded rotary guide groove (22).
5. The automotive power switch assembly according to claim 1, characterized in that: The switch body (301) is provided with a connection port (309), which extends out of the housing (1) and is locked by a nut (12); the switch wrench (307) extends into the switch body (301) through the connection port (309).
6. The automotive power switch assembly according to claim 5, characterized in that: The switch wrench (307) is provided with a spherical expansion part (310) that is adapted to the connection port (309), and a sealing ring is provided between the nut (12) and the box body (1).
7. The automotive power switch assembly according to claim 1, characterized in that: One end of the terminal block (305) is riveted to the contact (304) inside the switch body (301) by a copper post, and the other end of the terminal block (305) is connected to the interface terminal (21) by a wire screw (306) and a flexible wire.
8. The automotive power switch assembly according to claim 1, characterized in that: The box body (1) is sealed by ultrasonic welding, and the box body (1) is provided with several mounting holes (14).
9. The automotive power switch assembly according to claim 1, characterized in that: It also includes a protective cover (4), and the box body (1) is provided with a mounting base (13). One end of the protective cover (4) is connected to the mounting base (13) through a rotating shaft (42), and the protective cover (4) is provided with a groove (41) that is compatible with the switch wrench (307).
10. The automotive power switch assembly according to claim 9, characterized in that: It also includes a spring, a first pin (43) is provided on the mounting base (13), a second pin (44) is provided in the groove (41) of the protective cover (4), and the two ends of the spring are respectively connected to the first pin (43) and the second pin (44).