CN216054388U - Miniature key switch structure - Google Patents
Miniature key switch structure Download PDFInfo
- Publication number
- CN216054388U CN216054388U CN202121783529.7U CN202121783529U CN216054388U CN 216054388 U CN216054388 U CN 216054388U CN 202121783529 U CN202121783529 U CN 202121783529U CN 216054388 U CN216054388 U CN 216054388U
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- China
- Prior art keywords
- base
- boss
- cover plate
- elastic sheet
- pin
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Abstract
The utility model relates to a miniature key switch structure, which comprises a base, an elastic sheet, a cover plate and a button, wherein the elastic sheet is arranged on the base; the bottom of the base is provided with a pin group used for connecting a PCB, the top of the base is provided with a boss, an electric contact insert, an elastic sheet and a waterproof layer covering the elastic sheet are sequentially fixed in the boss from bottom to top, the bottom of the cover plate is provided with a cavity corresponding to the shape and size of the boss, and the boss is just positioned in the cavity during installation; the top of the cavity is provided with an opening, the button is connected to the opening in a sliding manner, one end of the button extends to the upper part of the elastic sheet, and the other end of the button extends out of the cover plate; and a side wall extends downwards along the periphery of the bottom of the cover plate, and the bottom of the side wall is connected with the bottom of the base in a clamping manner. This application is by apron recess parcel base protrusion boss mode location equipment, solves the apron installation and appears eccentric condition, prevents that the foreign matter from getting into, wraps the suppression entirely with the dust-proof membrane inside the cavity of apron, makes the whole pleasing to the eye degree reinforcing of its outward appearance, accords with the dustproof operation requirement of customer.
Description
Technical Field
The utility model relates to the field of switch equipment, in particular to a miniature key switch structure.
Background
In the traditional key switch, the cover plate and the base are positioned and assembled by four convex columns of the cover plate and four grooves of the base, and because the convex columns have thinner plastic walls and are soft, the appearance of a product is easy to be assembled or the plastic of the convex columns of the cover plate is easy to break, the hidden danger of rosin entering during welding and assembling the plate exists, and the functional quality of the product, such as pressing hand feeling, is influenced; along with the development of the times, people have high requirements on dust prevention of products, original dust-proof films of the products are exposed outside, and the dust-proof films are easy to wrinkle to cause dust prevention failure when the cover plates and the base are not tightly riveted, so that the risk of the electrification performance of the products is influenced, and the dust prevention requirements of users cannot be met.
Therefore, improvements are needed.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a miniature key switch structure to solve the technical problems of untight riveting between a cover plate and a base and poor dustproof function of the conventional key switch.
In order to achieve the purpose, the utility model adopts the technical scheme that: a miniature key switch structure comprises a base, a spring plate, a cover plate and a button; the bottom of the base is provided with a pin group used for connecting a PCB, the top of the base is provided with a boss, an electric contact insert, an elastic sheet and a waterproof layer covering the elastic sheet are sequentially fixed in the boss from bottom to top, the bottom of the cover plate is provided with a cavity corresponding to the shape and size of the boss, and the boss is just positioned in the cavity during installation; the top of the cavity is provided with an opening, the button is connected to the opening in a sliding manner, one end of the button extends to the upper part of the elastic sheet, and the other end of the button extends out of the cover plate; the edge bottom periphery downwardly extending of apron has the lateral wall, the bottom of lateral wall is equipped with the fixture block, the bottom of base be equipped with the corresponding draw-in groove of fixture block, the fixture block with the draw-in groove block is connected.
In a further aspect, the width of the your key switch structure is preferably 1.85 mm.
In a further technical solution, preferably, the pin group includes a first pin and a second pin, and one end of each of the first pin and the second pin is connected to the electrical contact insert, and the other end of each of the first pin and the second pin is connected to the PCB.
In a further technical scheme, preferably, the bottom of the elastic sheet is provided with a conductive silver layer.
In a further technical solution, preferably, a conductive contact is disposed in the center of the electrical contact insert, and when the elastic sheet is connected to the conductive contact, the first pin and the second pin are conducted.
After adopting the structure, compared with the prior art, the utility model has the advantages that:
1. this application changes traditional key switch into by four projections of apron and four recess location equipment designs of base and wraps up base protrusion boss mode location equipment, solves the apron installation and the eccentric condition appears and prevent that the foreign matter from getting into, wraps the suppression with the dust mask entirely inside the cavity of apron, under the prerequisite that improves the product quality, makes its appearance whole pleasing to the eye degree reinforcing, accords with the dustproof operation requirement of customer.
2. Increased the lateral wall in this application, consequently each part width of key switch widens 0.3mm, is 1.85mm by traditional 1.55mm design, and the lateral wall of apron extends the parcel fixed baseplate downwards, and the apron is inseparable with the base riveting, and the dust-proof membrane need not to expose outside, prolongs the life of key switch structure.
The utility model is further illustrated with reference to the following figures and examples.
Drawings
FIG. 1 is an exploded view of a miniature key switch structure according to the present invention
Detailed Description
The following are merely preferred embodiments of the present invention, and do not limit the scope of the present invention.
Referring to fig. 1, as shown, a miniature key switch structure includes a base 3, a spring 4, a cover plate 2 and a button 1; the bottom of the base 3 is provided with a pin group used for connecting a PCB, the top of the base 3 is provided with a boss 31, an electric contact insert 32, an elastic sheet 4 and a waterproof layer covered on the elastic sheet 4 are sequentially fixed in the boss 31 from bottom to top, the bottom of the cover plate 2 is provided with a cavity corresponding to the shape and the size of the boss 31, and the boss 31 is just positioned in the cavity when the cover plate is installed; the top of the cavity is provided with an opening, the button 1 is connected to the opening in a sliding manner, one end of the button extends to the upper part of the elastic sheet 4, and the other end of the button extends out of the cover plate 2; the side wall 21 extends downwards along the periphery of the bottom of the cover plate 2, the bottom of the side wall 21 is provided with a clamping block 22, the bottom of the base 3 is provided with a clamping groove corresponding to the clamping block 22, and the clamping block 22 is clamped and connected with the clamping groove.
In a further aspect, the width of the your key switch structure is preferably 1.85 mm.
In a further technical solution, preferably, the pin set includes a first pin 33 and a second pin 34, and each of the first pin 33 and the second pin 34 has one end connected to the electrical contact insert 32 and the other end connected to the PCB board.
In a further technical solution, preferably, the bottom of the spring plate 4 is provided with a conductive silver layer.
In a further technical solution, preferably, a conductive contact is disposed at the center of the electrical contact insert 32, and when the elastic sheet 4 is connected with the conductive contact, the first pin 33 and the second pin 34 are conducted.
Synthesize the aforesaid and know, this application changes traditional key switch into by the 3 protruding boss 31 modes location equipment of 2 recess parcel bases of apron by four projections of apron 2 and the design of 3 recess location equipment of base, solves 2 installation eccentric circumstances appearing in the apron, wraps the suppression with the dust-proof membrane entirely inside the cavity of apron 2, under the prerequisite that improves the product quality, makes the whole pleasing to the eye degree of its appearance strengthen, accords with the dustproof operation requirement of customer. Moreover, increased lateral wall 21 in this application, consequently each part width of key switch widens 0.3mm, is 1.85mm by traditional 1.55mm design, and the lateral wall 21 of apron 2 extends the parcel fixed baseplate 3 downwards, and apron 2 is inseparable with the riveting of base 3, and the dust-proof membrane need not to expose outside, prolongs the life of key switch structure.
The above description is only a preferred embodiment of the present invention, and the present invention should not be limited by the above description, which should be interpreted as limiting the scope of the present invention.
Claims (5)
1. A miniature key switch structure is characterized by comprising a base, a spring plate, a cover plate and a button; the bottom of the base is provided with a pin group used for connecting a PCB, the top of the base is provided with a boss, an electric contact insert, an elastic sheet and a waterproof layer covering the elastic sheet are sequentially fixed in the boss from bottom to top, the bottom of the cover plate is provided with a cavity corresponding to the shape and size of the boss, and the boss is just positioned in the cavity during installation; the top of the cavity is provided with an opening, the button is connected to the opening in a sliding manner, one end of the button extends to the upper part of the elastic sheet, and the other end of the button extends out of the cover plate; the edge downwardly extending along the bottom of the cover plate is provided with a side wall, the bottom of the side wall is provided with a clamping block, the bottom of the base is provided with a clamping groove corresponding to the clamping block, and the clamping block is clamped and connected with the clamping groove.
2. The miniature key switch structure of claim 1, wherein the width of the miniature key switch structure is 1.85 mm.
3. The miniature key switch structure of claim 1, wherein said pin set comprises a first pin and a second pin, and each of said first pin and said second pin has one end connected to said electrical contact insert and the other end connected to a PCB.
4. The miniature key switch structure of claim 1, wherein the bottom of said spring plate is provided with a conductive silver layer.
5. The miniature key switch structure of claim 3, wherein a conductive contact is disposed at the center of the electrical contact insert, and when the elastic piece is connected to the conductive contact, the first pin and the second pin are conducted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121783529.7U CN216054388U (en) | 2021-08-02 | 2021-08-02 | Miniature key switch structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121783529.7U CN216054388U (en) | 2021-08-02 | 2021-08-02 | Miniature key switch structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216054388U true CN216054388U (en) | 2022-03-15 |
Family
ID=80618802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121783529.7U Active CN216054388U (en) | 2021-08-02 | 2021-08-02 | Miniature key switch structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216054388U (en) |
-
2021
- 2021-08-02 CN CN202121783529.7U patent/CN216054388U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 518101 Building 506, Shenzhen Qianwan Hard Technology Industrial Park, Nanchang Community, Xixiang Street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: SHENZHEN BOSEN ELECTRIC Co.,Ltd. Address before: 518000 202 and 203, building 6, new industrial park, Fuyuan 1st Road, Zhancheng community, Fuhai street, Bao'an District, Shenzhen, Guangdong Patentee before: SHENZHEN BOSEN ELECTRIC Co.,Ltd. |