CN217306367U - High-strength compression-resistant membrane switch - Google Patents
High-strength compression-resistant membrane switch Download PDFInfo
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- CN217306367U CN217306367U CN202122377579.1U CN202122377579U CN217306367U CN 217306367 U CN217306367 U CN 217306367U CN 202122377579 U CN202122377579 U CN 202122377579U CN 217306367 U CN217306367 U CN 217306367U
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- circuit board
- switch
- layer circuit
- membrane switch
- slide
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Abstract
The utility model discloses a membrane switch of high strength resistance to compression, including switch shell, still include upper circuit board and lower floor's circuit board, switch shell's top structure has square through groove, and is fixed with button panel along the installation in the square through groove, switch shell's internally mounted is fixed with upper circuit board, spacing post is worn to be equipped with on the surface of upper circuit board, spacing post is still worn to be equipped with the lower floor's circuit board that is located upper circuit board below, lower floor's circuit board and spacing post sliding connection, the bottom butt of lower floor's circuit board has the spliced pole, the bottom installation of spliced pole is fixed with the slide, the slide sets up in the spout of cushion socket, and the bottom surface installation of spout is fixed with coil spring, coil spring's top and the bottom butt of slide. The protection effect on the internal circuit board is good, the circuit board is prevented from being damaged, and the normal work of the membrane switch is ensured. The service life of the membrane switch is prolonged.
Description
Technical Field
The utility model relates to a membrane switch technical field, in particular to membrane switch of high strength resistance to compression.
Background
Switches can be classified according to structure: micro-switches, boat-shaped switches, toggle switches, button body switches, key switches, membrane switches and point switches. The membrane switch is an operating system integrating a key function, an indicating element and a button panel, and consists of four parts, namely a panel, an upper circuit, an isolating layer and a lower circuit, when the membrane switch is pressed down, a contact of the upper circuit deforms downwards and is in contact conduction with a polar plate of the lower circuit, after a finger loosens, the contact of the upper circuit rebounds, the circuit is disconnected, a signal is triggered by a loop, and the membrane switch has the characteristics of rigorous structure, attractive appearance, good sealing performance, moisture resistance, long service life and the like.
When the conventional membrane switch is used, if the pressing force is too large, a circuit is easily damaged and a fault is easily caused.
To this end, we propose a membrane switch with high strength and resistance to pressure.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a membrane switch with high strength and resistance to compression, which can effectively solve the problems of the prior art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a high-strength compression-resistant membrane switch comprises a switch shell, an upper layer circuit board and a lower layer circuit board, wherein a square through groove is formed in the top of the switch shell, a button panel is fixedly installed on the inner edge of the square through groove, the upper layer circuit board is fixedly installed in the switch shell, a limiting column penetrates through the surface of the upper layer circuit board, the lower layer circuit board is positioned below the upper layer circuit board, and the lower layer circuit board is in sliding connection with the limiting column;
the bottom butt of lower floor's circuit board has the spliced pole, the bottom installation of spliced pole is fixed with the slide, the slide sets up in the spout of buffer seat, and the bottom surface installation of spout is fixed with coil spring, coil spring's top and the bottom butt of slide, the buffer seat is installed on switch housing's inside bottom surface.
Furthermore, a button main body is arranged on the surface of the button panel, and a bulge is bonded at the bottom of the button main body; the protrusions are used to connect the button body and the contacts of the upper circuit board.
Further, the bottom of the bulge is provided with an arc-shaped surface, and the bottom of the bulge is abutted with the contact of the upper-layer circuit board; the protrusions are not provided with edges and corners, and are made of soft rubber, so that the contact is prevented from being damaged, and the contact is protected well.
Furthermore, the lower circuit board is connected with a plug connector penetrating through the switch shell; the plug connector is used for being connected with an electronic component.
Compared with the prior art, the utility model discloses following beneficial effect has: when pressing the button main part, if the pressing force is too big, elastic deformation can take place for the arch that soft rubber made, avoids the button main part to damage the contact of upper circuit board, if bellied deflection can not satisfy the demand, lower floor's circuit board extrudes the spliced pole downwards, and the spliced pole moves down along the spout under gliding effect, extrudees coil spring, reduces the height of lower floor's circuit board, avoids damaging the polar plate of lower floor's circuit board to guarantee membrane switch's life.
Drawings
Fig. 1 is a schematic structural view of the high-strength compression-resistant membrane switch of the present invention.
Fig. 2 is a sectional view of the high-strength pressure-resistant membrane switch of the present invention.
Fig. 3 is a sectional view of the utility model discloses a membrane switch's buffing pad of high strength resistance to compression.
In the figure: 1. a switch housing; 2. a button panel; 3. a button body; 4. a protrusion; 5. an upper layer circuit board; 6. a lower circuit board; 7. a limiting column; 8. a plug-in unit; 9. a buffer seat; 10. connecting columns; 11. a slide plate; 12. a coil spring.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a high-strength compression-resistant membrane switch comprises a switch shell 1, an upper circuit board 5 and a lower circuit board 6, wherein a square through groove is formed at the top of the switch shell 1, a button panel 2 is fixedly installed in the square through groove along the inner edge of the square through groove, the upper circuit board 5 is fixedly installed in the switch shell 1, a limiting column 7 penetrates through the surface of the upper circuit board 5, the lower circuit board 6 positioned below the upper circuit board 5 penetrates through the limiting column 7, and the lower circuit board 6 is in sliding connection with the limiting column 7;
the bottom butt of lower floor's circuit board 6 has spliced pole 10, the bottom installation of spliced pole 10 is fixed with slide 11, slide 11 sets up in the spout of buffer seat 9, and the bottom surface installation of spout is fixed with coil spring 12, the top of coil spring 12 and the bottom butt of slide 11, buffer seat 9 is installed on switch housing 1's inside bottom surface.
The surface of the button panel 2 is provided with a button main body 3, and the bottom of the button main body 3 is adhered with a bulge 4; the bumps 4 are used to connect the button body 3 and the contacts of the upper layer circuit board 5.
The bottom of the bulge 4 is provided with an arc-shaped surface, and the bottom of the bulge 4 is abutted with the contact of the upper-layer circuit board 5; the protrusions 4 are not provided with edges and corners, and are made of soft rubber, so that the contact is prevented from being damaged, and the contact is protected well.
The lower circuit board 6 is connected with a plug connector 8 penetrating through the switch shell 1; the plug-in unit 8 is used for connecting an electronic component.
It should be noted that, the utility model relates to a membrane switch of high strength resistance to compression, during the use, when the pressing force that button main part 3 received is too big, elastic deformation takes place for arch 4 of button main part 3 below, and extrude the contact of upper circuit board 5 downwards, the contact is out of shape downwards, and switch on with the polar plate contact of lower floor's circuit board 6, lower floor's circuit board 6 extrudes spliced pole 10 downwards simultaneously, spliced pole 10 reciprocates in the spout under slide 11's effect, extrude coil spring 12, reduce the height of lower floor's circuit board 6, upper circuit board 5's contact bounce-back afterwards, coil spring 12 drives lower floor's circuit board 6 and resets, the circuit disconnection, the return circuit signal that triggers passes through plug connector 8 and transmits for electronic component.
The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The high-strength compression-resistant membrane switch comprises a switch shell (1), and is characterized by further comprising an upper-layer circuit board (5) and a lower-layer circuit board (6), wherein a square through groove is formed in the top of the switch shell (1), a button panel (2) is fixedly arranged in the square through groove along the inner edge of the switch shell, the upper-layer circuit board (5) is fixedly arranged in the switch shell (1), a limiting column (7) penetrates through the surface of the upper-layer circuit board (5), the lower-layer circuit board (6) located below the upper-layer circuit board (5) penetrates through the limiting column (7), and the lower-layer circuit board (6) is in sliding connection with the limiting column (7);
the bottom butt of lower floor's circuit board (6) has spliced pole (10), the bottom installation of spliced pole (10) is fixed with slide (11), slide (11) set up in the spout of buffer seat (9), and the bottom surface installation of spout is fixed with coil spring (12), the top of coil spring (12) and the bottom butt of slide (11), install on the inside bottom surface of switch shell (1) buffer seat (9).
2. A high strength compression resistant membrane switch as claimed in claim 1, wherein: the surface mounting of button panel (2) has button main part (3), the bottom of button main part (3) bonds and has arch (4).
3. A high strength compression resistant membrane switch as claimed in claim 2, wherein: the bottom of the bulge (4) is provided with an arc-shaped surface, and the bottom of the bulge (4) is abutted to the contact of the upper-layer circuit board (5).
4. A high strength compression resistant membrane switch as claimed in claim 1, wherein: the lower-layer circuit board (6) is connected with a plug connector (8) penetrating through the switch shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122377579.1U CN217306367U (en) | 2021-09-29 | 2021-09-29 | High-strength compression-resistant membrane switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122377579.1U CN217306367U (en) | 2021-09-29 | 2021-09-29 | High-strength compression-resistant membrane switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217306367U true CN217306367U (en) | 2022-08-26 |
Family
ID=82912934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122377579.1U Active CN217306367U (en) | 2021-09-29 | 2021-09-29 | High-strength compression-resistant membrane switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217306367U (en) |
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2021
- 2021-09-29 CN CN202122377579.1U patent/CN217306367U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230320 Address after: 1305, 13th Floor, Unit 1, Building 6, No. 1700, North Section of Tianfu Avenue, Hi-tech Zone, Chengdu, Sichuan, 610000 Patentee after: Tongjie Construction Co.,Ltd. Address before: No. 302, Unit 3, Building 7, West District, Family Building, Fengzhen Industrial Zone, Ulanqab City, Inner Mongolia Autonomous Region, 012100 Patentee before: Wang Yanan |
|
| TR01 | Transfer of patent right |