CN220856405U

CN220856405U - Electronic membrane switch

Info

Publication number: CN220856405U
Application number: CN202322302200.XU
Authority: CN
Inventors: 桂远涛
Original assignee: Wuhan Futong Membrane Switch Co ltd
Current assignee: Wuhan Futong Membrane Switch Co ltd
Priority date: 2023-08-26
Filing date: 2023-08-26
Publication date: 2024-04-26
Anticipated expiration: 2033-08-26

Abstract

The utility model provides an electronic membrane switch which comprises a switch body, wherein the switch body comprises a panel layer and a bottom plate, and an upper circuit layer is fixedly arranged at the bottom of the panel layer through an adhesive layer. The metal contact moves downwards under the extrusion of the metal elastic sheet, meanwhile, the extrusion rod and the sliding block extrude the arc-shaped plate, and the arc-shaped plate protrudes upwards and drives the movable contact to move upwards, so that the downward pressing degree of the metal elastic sheet and the metal contact is reduced, and the metal contact and the movable contact are contacted more quickly; the metal elastic sheet can be limited through the contact between the extrusion rod and the bottom plate, so that the damage to the metal elastic sheet caused by excessive extrusion is avoided; through the combined action of the metal elastic sheet and the arc plate, the extrusion rod can be extruded through the arc plate and the sliding block, and the metal contact and the movable contact are separated by combining the self elasticity of the metal elastic sheet, so that the metal elastic sheet can rebound smoothly, and the service life of the electronic membrane switch can be prolonged.

Description

Electronic membrane switch

Technical Field

The utility model relates to the technical field of electronic membrane switches, in particular to an electronic membrane switch.

Background

The electronic membrane switch is an operation system integrating key functions, an indication unit and an instrument panel, and has the characteristics of strict structure, attractive inertia and good sealing performance.

When the touch panel is used, the pressing area on the panel is pressed, the pressing area drives the metal spring sheet of the upper circuit layer to deform downwards and be contacted and conducted with the contact of the lower circuit layer, after the fingers are loosened, the metal spring sheet of the upper circuit layer rebounds back, the circuit is disconnected, but in the actual use process, after the membrane switch is pressed for many times, deformation and damage are easily generated, and the condition that the pressing cannot rebound occurs.

To this end, the utility model provides an electronic membrane switch.

Disclosure of utility model

Aiming at the defects existing in the prior art, the utility model aims to provide the electronic membrane switch so as to solve the problems in the background art.

In order to achieve the above object, the present utility model is realized by the following technical scheme: the utility model provides an electronic membrane switch, includes the switch body, the switch body includes panel layer and bottom plate, there is last circuit layer in the bottom of panel layer through adhesive linkage fixed mounting, there is lower circuit layer at the top of bottom plate through adhesive linkage fixed mounting, the one end equidistance of panel layer is provided with presses the district, be provided with rebound mechanism between last circuit layer and the lower circuit layer, rebound mechanism includes metal shrapnel, one side fixed mounting of lower circuit layer has the plug connector.

Further, the metal spring plate is fixedly arranged at the position corresponding to the pressing area at the top of the upper circuit layer, and is electrically connected with the upper circuit layer.

Furthermore, the bottom equidistance of lower circuit layer has seted up the mounting groove, the inside both sides limit sliding mounting of mounting groove has the slider.

Further, an arc plate is fixedly arranged between the two sliding blocks, and a movable contact is fixedly arranged at the middle position of the top of the arc plate.

Further, a metal contact is fixedly arranged at the center position of the bottom of the metal elastic sheet, and the metal contact is arranged right above the movable contact.

Furthermore, the bottom of the metal elastic sheet is fixedly installed with extrusion rods corresponding to the two sides of the metal contact symmetrically, and the bottom ends of the extrusion rods are provided with inclined planes.

Further, the bottom slidable mounting of extrusion pole is in the inside of lower circuit layer, the inclined plane has been seted up to one side of slider, the bottom and the slider contact of extrusion pole.

Furthermore, an isolation layer is fixedly bonded between the lower circuit layer and the upper circuit layer, and a through hole is formed in the position, corresponding to the metal spring piece, of the isolation layer.

The utility model has the beneficial effects that: according to the electronic film switch, the metal contact moves downwards under the extrusion of the metal elastic sheet, meanwhile, the extrusion rod and the sliding block extrude the arc-shaped plate, the arc-shaped plate protrudes upwards and drives the movable contact to move upwards, so that the downward pressing degree of the metal elastic sheet and the metal contact is reduced, and the metal contact and the movable contact are contacted more quickly; the metal elastic sheet can be limited through the contact between the extrusion rod and the bottom plate, so that the damage to the metal elastic sheet caused by excessive extrusion is avoided; through the combined action of the metal elastic sheet and the arc plate, the extrusion rod can be extruded through the arc plate and the sliding block, and the metal contact and the movable contact are separated by combining the self elasticity of the metal elastic sheet, so that the metal elastic sheet can rebound smoothly, and the service life of the electronic membrane switch can be prolonged.

Drawings

FIG. 1 is a block diagram of an electronic membrane switch according to the present utility model;

FIG. 2 is a front cross-sectional view of an electronic membrane switch according to the present utility model;

FIG. 3 is an enlarged view of the electronic membrane switch of FIG. 2A according to the present utility model;

In the figure: 1. a panel layer; 2. a pressing region; 3. an upper circuit layer; 4. a lower circuit layer; 5. an isolation layer; 6. a bottom plate; 7. a metal spring plate; 8. an adhesive layer; 9. a metal contact; 10. an extrusion rod; 11. a mounting groove; 12. a slide block; 13. an arc-shaped plate; 14. a movable contact; 15. a plug-in component.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1 to 3, the present utility model provides a technical solution: the utility model provides an electronic membrane switch, includes the switch body, the switch body includes panel layer 1 and bottom plate 6, the bottom of panel layer 1 is through adhesive linkage 8 fixed mounting has upper circuit layer 3, adhesive linkage 8 fixed mounting has lower circuit layer 4 to the top of bottom plate 6, the one end equidistance of panel layer 1 is provided with presses down district 2, be provided with rebound mechanism between upper circuit layer 3 and the lower circuit layer 4, rebound mechanism includes metal shell fragment 7, one side fixed mounting of lower circuit layer 4 has plug connector 15, bond between lower circuit layer 3 and the upper circuit layer 4 is fixed with isolation layer 5, through-hole has been seted up to isolation layer 5 corresponds metal shell fragment 7 position department, through the rebound mechanism that sets up, can carry out spacing and help metal shell fragment 7 to rebound, prevent that metal shell fragment 7 from excessively pressing down the damage, improved this electronic membrane switch's life.

In this embodiment, metal shell fragment 7 fixed mounting corresponds the 2 positions department of pressing area at the top of upper circuit layer 3, metal shell fragment 7 links to each other with upper circuit layer 3 electrical property, mounting groove 11 has been seted up to the bottom equidistance of lower circuit layer 4, the inside both sides limit sliding mounting of mounting groove 11 has slider 12, two fixed mounting has arc 13 between slider 12, the intermediate position department fixed mounting at the top of arc 13 has movable contact 14, the central point department fixed mounting of the bottom of metal shell fragment 7 has metal contact 9, metal contact 9 sets up directly over movable contact 14, the bottom of metal shell fragment 7 corresponds metal contact 9's both sides symmetry fixed mounting has squeeze lever 10, the bottom of squeeze lever 10 is provided with the inclined plane, the bottom slidable mounting of squeeze lever 10 is in the inside of lower circuit layer 4, the inclined plane has been seted up to one side of slider 12, the bottom and the slider 12 contact of squeeze lever 10, and arc 13 are the elastic plate, when pressing down metal shell fragment 7 carries out extrusion 12 to slider 12 and carries out extrusion 12 to slider 12, and make metal shell fragment 7 and the elastic contact with the elastic force of metal shell fragment 7 take place to carry out the elastic deformation to the elastic contact point 13 simultaneously, prevent that metal shell fragment 7 from moving down to take place the elastic force to the elastic contact point to the top plate and the metal shell fragment 7, and the elastic force of the metal shell fragment 7 is pressed down to the elastic force to the 13 and the elastic force of the elastic contact point is pressed to the metal shell fragment 7 and the elastic force to the 13 and the elastic contact is avoided the elastic force to the 13 to the elastic contact to the 13 and the elastic contact to the 13 and the top to the metal shell fragment is pressed.

When the electronic membrane switch is used, the metal contact 9 moves downwards under the extrusion of the metal spring plate 7, meanwhile, the arc plate 13 is extruded through the extrusion rod 10 and the sliding block 12, the arc plate 13 protrudes upwards and drives the movable contact 14 to move upwards, so that the degree of downwards pressing of the metal spring plate 7 and the metal contact 9 is reduced, and the metal contact 9 and the movable contact 14 are contacted more quickly; the metal spring plate 7 can be limited through the contact between the extrusion rod 10 and the bottom plate 6, so that the metal spring plate 7 is prevented from being excessively extruded to be damaged; through the combined action of the metal elastic sheet 7 and the arc-shaped plate 13, the extrusion rod 10 can be extruded through the arc-shaped plate 13 and the sliding block 12, and meanwhile, the metal contact 9 and the movable contact 14 are separated by combining the self elasticity of the metal elastic sheet 7, so that the metal elastic sheet 7 can rebound smoothly, and the service life of the electronic membrane switch can be prolonged.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims

1. The utility model provides an electronic membrane switch, includes the switch body, its characterized in that, the switch body includes panel layer (1) and bottom plate (6), there is upper circuit layer (3) bottom on panel layer (1) through adhesive linkage (8) fixed mounting, there is lower circuit layer (4) at the top of bottom plate (6) through adhesive linkage (8) fixed mounting, the one end equidistance of panel layer (1) is provided with presses district (2), be provided with rebound mechanism between upper circuit layer (3) and lower circuit layer (4), rebound mechanism includes metal shrapnel (7), one side fixed mounting of lower circuit layer (4) has plug connector (15).

2. An electronic membrane switch as claimed in claim 1, wherein: the metal spring plate (7) is fixedly arranged at the position, corresponding to the pressing area (2), of the top of the upper circuit layer (3), and the metal spring plate (7) is electrically connected with the upper circuit layer (3).

3. An electronic membrane switch as claimed in claim 2, wherein: the bottom equidistance of lower circuit layer (4) has seted up mounting groove (11), the inside both sides limit sliding mounting of mounting groove (11) has slider (12).

4. An electronic membrane switch according to claim 3, characterized in that: an arc-shaped plate (13) is fixedly arranged between the two sliding blocks (12), and a movable contact (14) is fixedly arranged at the middle position of the top of the arc-shaped plate (13).

5. An electronic membrane switch as claimed in claim 4 wherein: the metal contact (9) is fixedly arranged at the center of the bottom of the metal elastic sheet (7), and the metal contact (9) is arranged right above the movable contact (14).

6. An electronic membrane switch as claimed in claim 5, wherein: the bottom of the metal elastic sheet (7) is symmetrically and fixedly provided with extrusion rods (10) corresponding to two sides of the metal contact (9), and the bottom of each extrusion rod (10) is provided with an inclined plane.

7. An electronic membrane switch as claimed in claim 6, wherein: the bottom of the extrusion rod (10) is slidably mounted in the lower circuit layer (4), an inclined plane is formed in one side of the sliding block (12), and the bottom of the extrusion rod (10) is in contact with the sliding block (12).

8. An electronic membrane switch as claimed in claim 1, wherein: an isolation layer (5) is fixedly bonded between the lower circuit layer (4) and the upper circuit layer (3), and a through hole is formed in the position, corresponding to the metal elastic sheet (7), of the isolation layer (5).