CN218384940U

CN218384940U - Membrane switch easy to rebound and reset

Info

Publication number: CN218384940U
Application number: CN202221888245.9U
Authority: CN
Inventors: 朱养军
Original assignee: Siyang Fupeng Electronic Technology Co ltd
Current assignee: Siyang Fupeng Electronic Technology Co ltd
Priority date: 2022-07-22
Filing date: 2022-07-22
Publication date: 2023-01-24
Anticipated expiration: 2032-07-22

Abstract

The utility model discloses a membrane switch that easily kick-backs and reset, including the panel layer, the panel is equipped with on layer and presses the key, the panel layer is from last to being equipped with first insulation layer, first metal shrapnel, second metal shrapnel, insulator table, circuit board, second insulating layer and the ventilative layer of water-proof down in proper order, and the insulator table is equipped with a set of establishing respectively the both ends of circuit board, the middle part of circuit board are equipped with down the electricity piece, and the inboard of insulator table all is equipped with a set of first spacing groove and second spacing groove, first spacing groove with be equipped with first spring and second spring in the second spacing groove respectively, the both ends of first metal shrapnel are extended first spacing inslot runs through first spring coupling is to on the first stopper, the beneficial effects of the utility model reside in that: this the utility model discloses novel structure, the cost of manufacture is low, effectively prevents to produce deformation after long-time the use, prevents to reduce the resilience dynamics and influence its life, uses the durability to promote.

Description

Membrane switch easy to rebound and reset

Technical Field

The utility model relates to a membrane switch correlation technique field specifically is an easy membrane switch that kick-backs and reset.

Background

The membrane switch is an operating system integrating a key function, an indicating element and an instrument panel into a whole, 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 is loosened, the contact of the upper circuit rebounds, the circuit is disconnected, and a signal is triggered by a loop;

the tension of the rebound structure of the existing membrane switch after long-time use is lost, so that the switch is not easy to rebound, and the use is influenced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is: the tension of a rebound structure of an existing membrane switch is lost after the membrane switch is used for a long time, so that the switch is not prone to rebound, and the use is affected.

(II) technical scheme

In order to solve the above problem, the utility model provides a following technical scheme: the utility model provides an easy membrane switch who kick-backs and reset, includes the panel layer, the panel is equipped with on layer and presses the key, the panel layer is from last to being equipped with first insulating layer, first metal shrapnel, second metal shrapnel, insulating platform, circuit board, second insulating layer and water proof ventilative layer down in proper order, insulating platform is equipped with a set of establishing respectively the both ends of circuit board, the middle part of circuit board is equipped with down the electricity piece, the inboard of insulating platform all is equipped with a set of first spacing groove and second spacing groove, first spacing groove with be equipped with first spring and second spring in the second spacing groove respectively, the both ends of first metal shrapnel extend first spacing inslot runs through on first spring coupling to first stopper, the outside of first metal shrapnel is equipped with the electricity piece that connects, the both ends of second metal shrapnel are equipped with the second stopper respectively, the second stopper with the one end of second spring is connected, be equipped with to the piece between first metal shrapnel and the second metal shrapnel.

Furthermore, the first metal elastic sheet and the second metal elastic sheet are both arc-shaped and are arranged in a mirror image manner.

Furthermore, the lower power connection block is in a concave shape, the upper power connection block is in a convex shape, and the lower power connection block is in contact with the upper power connection block.

Furthermore, a luminescent layer is arranged between the panel layer and the first insulating layer, and the luminescent layer is connected with the first insulating layer in an adhesive manner.

Furthermore, the resisting block is made of a conductive material.

Furthermore, an exhaust passage is arranged at the bottom of the insulating table, and a filter screen is arranged in the exhaust passage.

Furthermore, the second metal elastic sheet is arranged at the upper part of the first metal elastic sheet.

Furthermore, fixing blocks are arranged at the openings of the first limiting groove and the second limiting groove.

(III) advantageous effects

The beneficial effects of the utility model reside in that: the utility model discloses novel structure, the cost of manufacture is low, effectively prevents to produce deformation after long-time the use, prevents to reduce the resilience dynamics and influence its life, and the durability in use promotes.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is an enlarged view of a view A of the present invention;

in the figure: 1-panel layer, 2-pressing key, 3-first insulating layer, 4-first metal elastic sheet, 5-second metal elastic sheet, 6-insulating table, 7-circuit board, 8-second insulating layer, 9-waterproof breathable layer, 10-lower power connection block, 11-first limiting groove, 12-second limiting groove, 13-first spring, 14-second spring, 15-first limiting block, 16-upper power connection block, 17-second limiting block, 18-abutting block, 19-luminescent layer, 20-exhaust channel, 21-filter screen and 22-fixing block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and the described embodiments are only some embodiments, not all embodiments, of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 2, a membrane switch easy to rebound and reset includes a panel layer 1, a press key 2 is disposed on the panel layer 1, the panel layer 1 is sequentially provided with a first insulating layer 3, a first metal elastic sheet 4, a second metal elastic sheet 5, an insulating table 6, a circuit board 7, a second insulating layer 8 and a water-proof breathable layer 9 from top to bottom, the insulating table 6 is provided with a set of first insulating layers 3, a set of lower electric blocks 10 is disposed at the middle of the circuit board 7, a set of first limiting grooves 11 and a set of second limiting grooves 12 are disposed at the inner side of the insulating table 6, a first spring 13 and a second spring 14 are disposed in the first limiting grooves 11 and the second limiting grooves 12, two ends of the first metal elastic sheet 4 extend into the first limiting grooves 11 and penetrate through the first spring 13 to be connected to the first limiting blocks 15, an upper electric block 16 is disposed at the outer side of the first metal elastic sheet 4, two ends of the second metal elastic sheet 5 are respectively provided with second limiting blocks 17, the second limiting blocks 17 are connected to one ends of the second spring 14, and a supporting block 18 is disposed between the first metal elastic sheet 4 and the second metal elastic sheet 5.

Furthermore, the first metal elastic sheet 4 and the second metal elastic sheet 5 are both arc-shaped and are arranged in a mirror image manner, so that the force applied to the abutting block 18 is facilitated.

Furthermore, the lower connecting block 10 is concave, the upper connecting block 16 is convex, and the lower connecting block 10 is in contact with the upper connecting block 16 to play a role in conducting electricity.

Further, a luminescent layer 19 is arranged between the panel layer 1 and the first insulating layer 3, and the luminescent layer 19 is connected with the first insulating layer 3 in an adhesive manner, so that operation is performed in the dark.

Furthermore, the resisting block 18 is made of conductive material, so as to facilitate the conduction.

Further, the bottom of the insulating table 6 is provided with an exhaust channel 20, and a filter screen 21 is arranged in the exhaust channel 20, so that the resistance in pressing is reduced.

Furthermore, the second metal elastic sheet 5 is arranged at the upper part of the first metal elastic sheet 4.

Further, the opening parts of the first limiting groove 11 and the second limiting groove 12 are respectively provided with a fixing block 22, so that the first spring 13 and the second spring 14 can be limited and fixed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. The utility model provides an easy membrane switch that kick-backs and reset which characterized in that: comprises a panel layer (1), a pressing key (2) is arranged on the panel layer (1), the panel layer (1) is sequentially provided with a first insulating layer (3), a first metal elastic sheet (4), a second metal elastic sheet (5), an insulating table (6), a circuit board (7), a second insulating layer (8) and a water-proof breathable layer (9) from top to bottom, the insulation table (6) is provided with a group of insulation tables which are respectively arranged at two ends of the circuit board (7), the middle part of the circuit board (7) is provided with a lower connecting block (10), the inner sides of the insulating tables (6) are respectively provided with a group of first limiting grooves (11) and second limiting grooves (12), a first spring (13) and a second spring (14) are respectively arranged in the first limiting groove (11) and the second limiting groove (12), two ends of the first metal elastic sheet (4) extend into the first limiting groove (11) and penetrate through the first spring (13) to be connected to the first limiting block (15), an upper power connection block (16) is arranged on the outer side of the first metal elastic sheet (4), two ends of the second metal elastic sheet (5) are respectively provided with a second limiting block (17), the second limiting block (17) is connected with one end of the second spring (14), and a resisting block (18) is arranged between the first metal elastic sheet (4) and the second metal elastic sheet (5).

2. The membrane switch easy to rebound reset according to claim 1, wherein: the first metal elastic sheet (4) and the second metal elastic sheet (5) are both arc-shaped and are arranged in a mirror image mode.

3. The membrane switch easy to rebound reset according to claim 1, wherein: the lower power connection block (10) is in a concave shape, the upper power connection block (16) is in a convex shape, and the lower power connection block (10) is in contact with the upper power connection block (16).

4. The membrane switch easy to rebound reset according to claim 1, wherein: a luminescent layer (19) is arranged between the panel layer (1) and the first insulating layer (3), and the luminescent layer (19) is connected with the first insulating layer (3) in an adhesive manner.

5. The membrane switch easy to rebound reset according to claim 1, wherein: the abutting block (18) is made of conductive materials.

6. A membrane switch susceptible to resilient resetting according to claim 1, characterized in that: the bottom of insulating platform (6) is equipped with exhaust passage (20), be equipped with filter screen (21) in exhaust passage (20).

7. The membrane switch easy to rebound reset according to claim 1, wherein: the second metal elastic sheet (5) is arranged at the upper part of the first metal elastic sheet (4).

8. The membrane switch easy to rebound reset according to claim 1, wherein: the openings of the first limiting groove (11) and the second limiting groove (12) are respectively provided with a fixing block (22).