Automatic reset key switch for automobile

By designing the reset component and limit structure, the problem of key cap being stuck and unable to reset is solved, the automatic reset and stability of the key is achieved, and the usage experience and dust protection effect of the key is improved.

CN223206149UActive Publication Date: 2025-08-08ZHEJIANG CHENGYI AUTOMOBILE ELECTRICAL COMPONENTS CO LTD
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Patent Information

Application Number
CN202422389624.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-29
Publication Date
2025-08-08
Estimated Expiration
2034-09-29

AI Technical Summary

Technical Problem

The existing car key cap is easily stuck and cannot be reset after pressing, affecting the user's next press.

Method used

A reset assembly including a support rod, a moving block, a compression spring, a connecting rod and a reset plate is designed. The key cap is reset by the return resilience of the spring, and the position offset is prevented by the limit bottom cylinder and the limit insert, and the connection stability is improved in combination with the sealing cover and the positioning groove and the positioning block design.

Benefits of technology

It realizes that the key cap can be automatically reset after pressing, avoiding jamming, ensuring the normal working of the key, and improving the dustproof and installation stability of the key.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic reset key switch for an automobile, which belongs to the technical field of automobile key products, and is characterized by comprising a key seat, a circuit board and a touch switch, a reset assembly; the cover plate is mounted on the key seat; a key cap; wherein the reset assembly comprises a supporting rod, moving blocks, compression springs, a connecting rod and a reset plate, the supporting rod is installed in the key base, the moving blocks are installed on the supporting rod in a sliding mode, the two moving blocks are symmetrically arranged on the supporting rod, the number of the compression springs is two, one ends of the compression springs are installed on the inner wall of the key base, and the other ends of the compression springs are installed on the connecting rod. One end of the connecting rod is installed on the movable block, the other end of the connecting rod is installed on the movable block, the reset plate is installed on the key cap, one end of the connecting rod is installed on the movable block, and the other end of the connecting rod is hinged to the reset plate.
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Description

Technical Field

[0001] The present application belongs to the technical field of automotive key products, and in particular relates to an automatic reset key switch for an automobile. Background Art

[0002] Car buttons include adaptive cruise control buttons, multimedia control buttons, headlights, wiper buttons, air conditioning buttons, gear buttons, headlight knobs, main driver's door buttons, etc.

[0003] The existing publication number is CN221304505U, which discloses an luminous key structure for an automobile, including: a key seat, a circuit board, a connecting colloid and a key cap. The circuit board is provided with an LED light-emitting body and a touch switch linked to the key cap. A mounting hole for accommodating the key cap is formed in the middle of the connecting colloid, and the outer edge of the connecting colloid is fixedly connected to the open end of the key seat; the key cap made of at least partially translucent material is fixedly connected to the mounting hole, and the key cap is located above the circuit board. The inner side of the key cap has a pressure rod that presses against the touch switch.

[0004] Although the above-mentioned key has a simple overall structure and assembly process, is stable in use, and has a long product life, the key cap is easily stuck and cannot be reset after being pressed, which affects the user's next pressing of the key. Utility Model Content

[0005] The purpose of this application is to address the above-mentioned technical problems and provide an automatic reset button switch for automobiles, which can prevent the keycap from getting stuck and unable to reset after the button is pressed, and prevent the keycap from being unable to reset and rebound and affecting the user's next press of the button.

[0006] The present application provides an automatic reset push button switch for an automobile, comprising a push button seat, a circuit board, and:

[0007] A touch switch, wherein the touch switch is mounted on the circuit board;

[0008] A reset component, the reset component being mounted on the button seat;

[0009] A cover plate, the cover plate being mounted on the button seat;

[0010] A key cap, the key cap being mounted on the reset assembly;

[0011] Among them, the reset assembly includes a support rod, a moving block, a compression spring, a connecting rod, and a reset plate. The support rod is installed in the key seat, the moving block is slidably installed on the support rod, two moving blocks are symmetrically arranged on the support rod, two compression springs are provided, one end of the compression spring is installed on the inner wall of the key seat, and the other end is installed on the moving block. The reset plate is installed on the key cap, one end of the connecting rod is installed on the moving block, and the other end is hinged to the reset plate.

[0012] When the user needs to touch the button, the user presses the button cap downward, and the button cap presses downward to trigger the touch switch. When the button cap is pressed downward, it drives the reset plate connected to the lower end of the button cap to move downward. The reset plate is pressed down and drives the connecting rod. The connecting rod is pushed and drives the two moving blocks to move toward the outside of the support rod to squeeze the compression spring. When the user presses the button cap to trigger the touch switch, the pressure on the button cap is applied. At this time, the compression spring is compressed and the reset rebound force generated by the compression pushes the moving block back and resets it. The reset of the moving block drives the connecting rod to reset and pushes the reset plate up and resets it. The reset plate pushes up and resets and drives the button cap to move up to complete the reset work. The reset component can prevent the button cap from getting stuck and unable to reset after the user completes pressing the button, and prevents the button cap from being unable to reset and rebounding and affecting the user's next press of the button.

[0013] Furthermore, the reset component further includes:

[0014] A limiting bottom cylinder, wherein a plurality of limiting bottom cylinders are provided and the limiting bottom cylinders are installed on the button seat;

[0015] The limiting insert is installed on the key cap and can be inserted into the limiting bottom cylinder.

[0016] The reset component also includes a limiting bottom cylinder and a limiting insertion strip. The limiting bottom cylinder is installed on the button seat, and the limiting insertion strip is installed on the button cap. The limiting insertion strip can be inserted into the limiting bottom cylinder. When the button cap moves up and down in the button seat, the limiting insertion strip can move up and down in the limiting bottom cylinder. The limiting bottom cylinder is provided with a plurality of limiting devices for the key cap that moves up and down, so as to avoid position deviation of the key cap when it moves up and down, which affects the triggering of the touch switch and the resetting of the key cap.

[0017] Furthermore, the button seat is equipped with:

[0018] An installation ear plate, wherein the installation ear plate is installed on the key seat;

[0019] A positioning block is arranged on the button seat.

[0020] The button seat is provided with a mounting ear plate and a positioning block, the mounting ear plate is installed on the button seat, the positioning block is provided on the button seat, the mounting ear plate and the button seat are integrally formed, and a screw hole is provided in the mounting ear plate, and the user can fix the button seat on the car through the mounting ear plate.

[0021] Furthermore, a positioning groove is provided on the cover plate, and the positioning block can be inserted into the positioning groove.

[0022] The cover plate is provided with a positioning groove, and the positioning block can be inserted into the positioning groove. When installing the cover plate on the button seat, the positioning block on the button seat is aligned with the positioning groove on the cover plate and inserted into the positioning groove, and then the cover plate is fixed to the button seat by glue or ultrasonic welding. The cooperation between the positioning groove and the positioning block makes it less likely for the cover plate and the button seat to be displaced when connected, and the connection and installation are more stable.

[0023] Furthermore, a sealing outer cover is installed on the cover plate.

[0024] A sealing outer cover is provided on the cover plate, and the sealing outer cover is made of flexible plastic material. The sealing outer cover is sealingly connected and installed on the cover plate. When the user presses the key cap, dust and other impurities can be prevented from entering the key seat, making the key more dust-proof.

[0025] Furthermore, a mounting groove is provided on the positioning block, and a sealing ring is provided in the mounting groove.

[0026] The positioning block is provided with an installation groove, and a sealing ring is provided in the installation groove. The sealing ring can improve the sealing performance when the cover plate is connected to the key seat, preventing external dust and impurities from entering the key seat through the joint, and at the same time preventing liquids such as water from entering the key seat.

[0027] The beneficial effects of this application are:

[0028] 1. The reset component can prevent the key cap from getting stuck and unable to reset after the user completes pressing the key, and prevent the key cap from being unable to reset and rebounding, affecting the user's next key press;

[0029] 2. The limit bottom cylinder is provided with a plurality of limiters that can limit the upward and downward displacement of the key cap, so as to prevent the position deviation of the key cap during the upward and downward displacement from affecting the triggering of the touch switch and the resetting of the key cap;

[0030] 3. The cooperation between the positioning groove and the positioning block makes it less likely for the cover plate and the key seat to be displaced when connected, and the connection and installation are more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of this application;

[0032] Figure 2 It is a schematic diagram of the overall structure of this application;

[0033] Figure 3 It is a schematic diagram of the overall structure of this application;

[0034] Figure 4 This application Figure 2 A magnified view of part A;

[0035] The reference numerals in the figure are: 100, button seat; 110, mounting ear plate; 120, positioning block; 121, mounting groove; 122, sealing ring; 200, circuit board; 300, touch switch; 400, reset assembly; 410, support rod; 420, moving block; 430, compression spring; 440, connecting rod; 450, reset plate; 460, limiting bottom cylinder; 470, limiting insert; 500, cover plate; 510, positioning groove; 530, sealing outer cover; 600, button cap. DETAILED DESCRIPTION

[0036] The following will be combined with the accompanying drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the embodiments described are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this application.

[0037] The terms "first," "second," and the like in the specification and claims of this application are used to distinguish similar objects, and are not used to describe a specific order or precedence. It should be understood that the terms used in this manner are interchangeable where appropriate, so that the embodiments of this application can be implemented in an order other than that illustrated or described herein, and that the objects distinguished by "first," "second," and the like are generally of the same type, and do not limit the number of objects; for example, the first object can be one or more. In addition, the term "and / or" in the specification and claims refers to at least one of the connected objects, and the character " / " generally indicates that the objects connected are in an "or" relationship.

[0038] The embodiments of the present application are described in detail below through specific embodiments and their application scenarios in conjunction with the accompanying drawings.

[0039] Example 1:

[0040] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, the embodiment of the present application provides an automatic reset push button switch for an automobile, including a button seat 100, a circuit board 200, and further comprising:

[0041] A touch switch 300 , wherein the touch switch 300 is mounted on the circuit board 200 ;

[0042] A reset assembly 400 , the reset assembly 400 being mounted on the button seat 100 ;

[0043] A cover plate 500 , the cover plate 500 being mounted on the button seat 100 ;

[0044] A key cap 600 , which is mounted on the reset assembly 400 ;

[0045] Among them, the reset assembly 400 includes a support rod 410, a moving block 420, a compression spring 430, a connecting rod 440, and a reset plate 450. The support rod 410 is installed in the button seat 100, and the moving block 420 is slidably installed on the support rod 410. Two moving blocks 420 are symmetrically arranged on the support rod 410. Two compression springs 430 are provided. One end of the compression spring 430 is installed on the inner wall of the button seat 100, and the other end is installed on the moving block 420. The reset plate 450 is installed on the button cap 600. One end of the connecting rod 440 is installed on the moving block 420, and the other end is hinged to the reset plate 450.

[0046] When the key needs to be touched, the user presses the key cap 600 downward, and the key cap 600 presses downward to trigger the touch switch 300. When the key cap 600 is pressed downward, the reset plate 450 connected to the lower end of the key cap 600 moves downward, and the reset plate 450 is pressed downward to push the connecting rod 440. The connecting rod 440 is pushed to drive the two moving blocks 420 to move outward from the support rod 410 to squeeze the compression spring 430. When the user presses the key cap 600 to trigger the touch switch 300, it stops. Stop applying pressure to the key cap 600. At this time, the compression spring 430 is compressed and the restoring rebound force generated pushes the moving block 420 back to reset. The reset of the moving block 420 drives the connecting rod 440 to reset and lifts up the reset plate 450 to reset. The reset plate 450 lifts up and resets to drive the key cap 600 to move up to complete the reset work. The reset component 400 can prevent the key cap 600 from getting stuck and unable to reset after the user completes pressing the key, and prevent the key cap 600 from being unable to reset and rebound and affecting the user's next pressing of the key.

[0047] Example 2:

[0048] like Figure 2 、 Figure 3 、 Figure 4 As shown, the embodiment of the present application provides an automatic reset push button switch for an automobile. In addition to the above technical features, the reset component 400 also includes:

[0049] A limiting bottom cylinder 460 , wherein a plurality of limiting bottom cylinders 460 are provided and the limiting bottom cylinders 460 are installed on the button seat 100 ;

[0050] The limiting insert 470 is installed on the key cap 600 and can be inserted into the limiting bottom tube 460 .

[0051] The reset component 400 also includes a limiting bottom cylinder 460 and a limiting insertion strip 470. The limiting bottom cylinder 460 is installed on the button seat 100, and the limiting insertion strip 470 is installed on the button cap 600. The limiting insertion strip 470 can be inserted into the limiting bottom cylinder 460. When the button cap 600 moves up and down in the button seat 100, the limiting insertion strip 470 can move up and down in the limiting bottom cylinder 460. The limiting bottom cylinder 460 is provided with a plurality of limiting means for the key cap 600 that moves up and down, so as to prevent the key cap 600 from shifting in position when moving up and down, thereby affecting the triggering of the touch switch 300 and the resetting of the key cap 600.

[0052] Example 3:

[0053] like Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 As shown, the embodiment of the present application provides an automatic reset push button switch for automobiles. In addition to the above technical features, the button base 100 is equipped with:

[0054] An installation ear plate 110 is installed on the button seat 100;

[0055] The positioning block 120 is disposed on the button seat 100 .

[0056] The button base 100 is provided with a mounting ear plate 110 and a positioning block 120 . The mounting ear plate 110 is installed on the button base 100 , and the positioning block 120 is provided on the button base 100 . The mounting ear plate 110 and the button base 100 are integrally formed. The mounting ear plate 110 is provided with a screw hole. The user can fix the button base 100 on the car through the mounting ear plate 110 .

[0057] Example 4:

[0058] like Figure 3 As shown, an embodiment of the present application provides an automatic reset push button switch for a car. In addition to the above technical features, the positioning block 120 can be inserted into the positioning groove 510.

[0059] The cover plate 500 is provided with a positioning groove 510, and the positioning block 120 can be inserted into the positioning groove 510. When installing the cover plate 500 on the button seat 100, the positioning block 120 on the button seat 100 is aligned with the positioning groove 510 on the cover plate 500 and inserted into the positioning groove 510. Then, the cover plate 500 is fixed to the button seat 100 by glue or ultrasonic welding. The cooperation between the positioning groove 510 and the positioning block 120 makes it less likely for the cover plate 500 to be displaced when connected to the button seat 100, and the connection and installation are more stable.

[0060] Example 5:

[0061] like Figure 1 、 Figure 2 、 Figure 3 As shown, an embodiment of the present application provides an automatic reset push button switch for an automobile. In addition to the above-mentioned technical features, a sealing outer cover 530 is installed on the cover plate 500.

[0062] A sealing outer cover 530 is provided on the cover plate 500. The sealing outer cover 530 is made of flexible plastic material and is sealed and installed on the cover plate 500. When the user presses the key cap 600, dust and other impurities can be prevented from entering the key base 100, making the key more dust-proof.

[0063] Example 6:

[0064] like Figure 2 、 Figure 3 、 Figure 4 As shown, an embodiment of the present application provides an automatic reset push button switch for a car. In addition to the above technical features, a sealing ring 122 is provided in the installation groove 121.

[0065] A mounting groove 121 is provided on the positioning block 120, and a sealing ring 122 is provided in the mounting groove 121. The sealing ring 122 can improve the sealing performance when the cover plate 500 is connected to the button seat 100, thereby preventing external dust and impurities from entering the button seat 100 through the joint, and at the same time preventing liquids such as water from entering the button seat 100.

[0066] It should be noted that, in this article, the terms "comprise", "include" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the presence of other identical elements in the process, method, article or device comprising the element. In addition, it should be noted that the scope of the methods and devices in the embodiments of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in the opposite order according to the functions involved. For example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0067] The embodiments of the present application are described above in conjunction with the accompanying drawings, but the present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of this application, ordinary technicians in this field can also make many forms without departing from the purpose of this application and the scope of protection of the claims, all of which are within the protection of this application.

Claims

1. An automatic reset key switch for automobile, comprising a key base (100) and a circuit board (200), characterized in that , also includes: A touch switch (300), the touch switch (300) being mounted on the circuit board (200); A reset component (400), the reset component (400) being mounted on the key base (100); A cover plate (500), the cover plate (500) being mounted on the button seat (100); A key cap (600), the key cap (600) being mounted on the reset assembly (400); The reset assembly (400) comprises a support rod (410), a moving block (420), a compression spring (430), a connecting rod (440), and a reset plate (450). The support rod (410) is installed in the key seat (100). The moving block (420) is slidably installed on the support rod (410). Two moving blocks (420) are symmetrically arranged on the support rod (410). Two compression springs (430) are provided. One end of the compression spring (430) is installed on the inner wall of the key seat (100), and the other end is installed on the moving block (420). The reset plate (450) is installed on the key cap (600). One end of the connecting rod (440) is installed on the moving block (420), and the other end is hinged to the reset plate (450).

2. The automatic reset push button switch for automobile according to claim 1, characterized in that: The reset assembly (400) further comprises: A limiting bottom cylinder (460), wherein a plurality of the limiting bottom cylinders (460) are provided and the limiting bottom cylinders (460) are installed on the button seat (100); A limiting insert (470), the limiting insert (470) is installed on the key cap (600), and the limiting insert (470) can be inserted into the limiting bottom cylinder (460).

3. The automatic reset push button switch for automobile according to claim 2, characterized in that: The button seat (100) is equipped with: A mounting lug plate (110), wherein the mounting lug plate (110) is mounted on the key seat (100); A positioning block (120) is provided on the button seat (100).

4. The automatic reset push button switch for automobile according to claim 3, characterized in that: The cover plate (500) is provided with a positioning groove (510), and the positioning block (120) can be inserted into the positioning groove (510).

5. The automatic reset push button switch for automobile according to claim 4, characterized in that: A sealing outer cover (530) is installed on the cover plate (500).

6. The automatic reset push button switch for automobile according to claim 5, characterized in that: The positioning block (120) is provided with a mounting groove (121), and a sealing ring (122) is provided in the mounting groove (121).

Citation Information

Patent Citations

  • Luminous key structure for automobile

    CN221304505U