CN205428790U

CN205428790U - Electronic membrane switch

Info

Publication number: CN205428790U
Application number: CN201620211242.XU
Authority: CN
Inventors: 周永红
Original assignee: Crown Profit Trademark Products (suzhou) Co Ltd
Current assignee: Crown Profit Trademark Products (suzhou) Co Ltd
Priority date: 2016-03-21
Filing date: 2016-03-21
Publication date: 2016-08-03
Anticipated expiration: 2026-03-21

Abstract

The utility model discloses an electronic membrane switch, it is far away to have solved the distance that electronic membrane switch pressed, and shell fragment deformation degree is high, problem that wear resistance is not high, its technical scheme main points are: going up the circuit layer and still being equipped with the isolation layer down between the circuit layer, the isolation layer adhesion is on circuit layer down, and shell fragment and isolation layer fixed connection are equipped with on the shell fragment from last circuit layer to the bellied arch piece of circuit layer direction down, the utility model discloses an electronic membrane switch has guaranteed that electronic membrane switch's wear resistance is high, long service life.

Description

A kind of electronic membrane switch

Technical field

This utility model relates to a kind of switch, particularly to a kind of electronic membrane switch.

Background technology

Electronic membrane switch is the operating system integrating keypress function, indicator elment, board, thin film switch structure is rigorous, good looking appearance, good airproof performance, there is moisture proof, it is widely used in the instrument of telecommunications, electronic surveying, Industry Control, armarium, auto industry, intelligent toy, the field such as household electrical appliance.

Electronic membrane switch realizes the break-make of circuit by pressing, and the when that electronic membrane switch of the prior art using, the distance of pressing is remote, causes shell fragment deformation degree high, and anti-wear performance is the highest, causes reduce service life.

Utility model content

The purpose of this utility model is to provide a kind of electronic membrane switch, it is ensured that the wearability of electronic membrane switch is high, and service life is long.

Above-mentioned technical purpose of the present utility model has the technical scheme that

A kind of electronic membrane switch, including panel layer, described panel layer has circuit layer, described upper circuit layer has lower circuit layer, it is provided with shell fragment between described upper circuit layer and lower circuit layer, the cavity placed for shell fragment it is additionally provided with between described upper circuit layer and lower circuit layer, it is additionally provided with sealing coat between described upper circuit layer and lower circuit layer, described sealing coat sticks on lower circuit layer, described shell fragment is fixing with sealing coat to be connected, and described shell fragment is provided with the projection piece from upper circuit layer to lower circuit layer direction projection.

Use such scheme, shell fragment between upper circuit board and lower circuit board, can be pressed down on by panel layer, shell fragment is made to deform upon, allow circuit board connect with lower circuit board and obtain pulsatile once, when the hands of press surface flaggy unclamps, shell fragment has the ability recovering deformation, circuit board is made to disconnect with lower circuit board, the design of cavity, make electronic membrane switch when pressing, obtain reserved space, the entirety making electronic membrane switch will not occur substantial amounts of deformation, ensure that the stability that electronic membrane switch is overall, and there is the electronic membrane switch of projection piece during pressing, the degree of shell fragment deformation is extenuated, need not all press, improve the rub proofness of electronic membrane switch, add service life.

As preferably, the domed setting of described shell fragment, and the central authorities of arch are provided with projection piece.

Using such scheme, the arch of shell fragment is arranged, and makes the deformability of shell fragment and the ability recovering deformation be strengthened, and projection piece is arranged on the central authorities of arch shrapnel, and when using electronic membrane switch, projection piece can assist shell fragment to complete the contact to lower circuit layer.

As preferably, if being provided with the dry contact contacted with projection piece in described cavity, described contact is fixing with lower circuit layer to be connected.

Use such scheme, the Design assistant of contact projection piece, when making projection piece use, with contact, it is ensured that upper circuit layer is fully contacted with lower circuit layer, and compared with the lower circuit layer not having contact, improve the rub resistance degree of lower circuit layer, improve the service life of lower circuit layer, reduce the deformation degree of shell fragment simultaneously, thus improve the service life that electronic membrane switch is overall.

As preferably, described sealing coat also includes steam vent, described steam vent and ft connection.

Using such scheme, when shell fragment deforms upon, the air in cavity can be discharged by steam vent, it is ensured that electronic membrane switch entirety does not produce bubble, ensure that the fastness that electronic membrane switch is overall simultaneously, practical.

As preferably, between described upper circuit layer and panel layer, it is provided with some flexible glues point.

Use such scheme, flexible glue point can ensure that upper circuit layer is coupled together while directly insulating with panel layer by circuit layer with panel layer, flexible glue point has good deformation and recovers the ability of deformation simultaneously, ensure that the normal use of electronic membrane switch, and it is provided with flexible glue point-like electron thin film switch in use, there is certain comfort, practical.

As preferably, between some described flexible glue points, it is provided with some grooves.

Using such scheme, groove provides enough deformation spaces to flexible glue point, and flexible glue point will not be made directly to produce touch, intervene normal deformation.

As preferably, described lower circuit layer is additionally provided with for connecting the plug connector that other circuit make electronic membrane switch realize work.

Using such scheme, electronic membrane switch can be together with other be electrically connected to, it is achieved the power supply conducting of electronic membrane switch and the control to other circuit, uses plug connector convenient and practical.

As preferably, under described lower circuit layer, it is additionally provided with glue layer.

Using such scheme, electronic membrane switch can not be used in use glue fix directly against being combined in installation surface, easy to use.

In sum, this utility model has the advantages that

1, joint function is carried, easy to use；

2, push-button design is unique, and anti-wear performance is good, and service life is long.

Accompanying drawing explanation

Fig. 1 is the structural representation one of the present embodiment；

Fig. 2 is the structural representation two of the present embodiment；

Fig. 3 is the structural representation three of the present embodiment；

Fig. 4 is the A portion enlarged drawing of the present embodiment；

Fig. 5 is the B portion enlarged drawing of the present embodiment.

In figure: 1, panel layer；2, upper circuit layer；3, lower circuit layer；4, shell fragment；5, cavity；6, sealing coat；7, projection piece；8, contact；9, steam vent；10, flexible glue point；11, groove；12, plug connector；13, glue layer.

Detailed description of the invention

Below in conjunction with accompanying drawing, this utility model is described in further detail.

This specific embodiment is only to explanation of the present utility model; it is not to restriction of the present utility model; the present embodiment can be made after reading this specification by those skilled in the art as required does not has the amendment of creative contribution, but as long as all being protected by Patent Law in right of the present utility model.

A kind of electronic membrane switch disclosed in the present embodiment, including panel layer 1, panel layer 1 is provided with various button and the pattern of function and word, makes electronic membrane switch more convenient to use, and has word and the pattern of function, is easy to use.

Panel layer 1 has circuit layer 2, upper circuit layer 2 has lower circuit layer 3, upper circuit layer 2 and lower circuit layer 3 are with the use of the normal use ensureing electronic membrane switch, being provided with shell fragment 4 between upper circuit layer 2 and lower circuit layer 3, shell fragment 4 can be pressed down on by panel layer 1, makes shell fragment 4 deform upon, allow circuit board connect with lower circuit board and obtain pulsatile once, when the hands of press surface flaggy 1 unclamps, shell fragment 4 has the ability recovering deformation, makes circuit board disconnect with lower circuit board.

It is additionally provided with sealing coat 6 between upper circuit layer 2 and lower circuit layer 3, sealing coat 6 sticks on lower circuit board, shell fragment 4 is fixing with sealing coat 6 to be connected, shell fragment 4 and the fixing of sealing coat 6 are connected by the method that shell fragment 4 is plugged between sealing coat 6, shell fragment 4 is plugged between sealing coat 6, it is ensured that shell fragment 4 will not move because of repeatedly pressing.

The arch of shell fragment 4 is arranged, and has good deformability when pressing, has the good ability recovering deformation simultaneously, the most when not in use, upper circuit layer 2 can be supported by the shell fragment 4 of arch with panel layer 1, it is ensured that the exquisite appearance of electronic membrane switch, does not haves sense of subsiding.

The design of cavity 5, makes electronic membrane switch when pressing, has obtained reserved space, it is ensured that the entirety of electronic membrane switch will not occur substantial amounts of deformation, it is ensured that the normal use of shell fragment 4, it is ensured that the stability that electronic membrane switch is overall.

The Design assistant of contact 8 projection piece 7, when making projection piece 7 use, projection piece 7 contacts with contact 8, in guarantee, circuit layer 2 and lower circuit layer 3 is fully contacted, and compared with the lower circuit layer 3 not having contact 8, improve the rub resistance degree of lower circuit layer 3, improve the service life of lower circuit layer 3, reduce the deformation degree of shell fragment 4 simultaneously, thus improve the service life that electronic membrane switch is overall.

When shell fragment 4 deforms upon, the air in cavity 5 can be discharged by steam vent 9, it is ensured that electronic membrane switch entirety does not produce bubble, ensure that the fastness that electronic membrane switch is overall simultaneously, practical.

Flexible glue point 10 can ensure that circuit layer 2 and panel layer 1 directly insulate and upper circuit layer 2 is connected by flexible glue point 10 with panel layer 1, flexible glue point 10 has good deformation and recovers the ability of deformation simultaneously, ensure that the normal use of electronic membrane switch, groove 11 provides enough deformation spaces to flexible glue point 10, and flexible glue point 10 will not be made directly to produce touch, intervene normal deformation when press surface flaggy 1, groove 11 and flexible glue point 10 are worked in coordination use, when making pressing electronic membrane switch, providing good feel, it is stiff not feel as.

Electronic membrane switch uses plug connector 12, can be together with other be electrically connected to, realize the power supply conducting control to other circuit of electronic membrane switch, plug connector 12 can between grafting, complete the connection to other circuit, convenient and practical, electronic membrane switch has glue layer 13, glue can need not be used just can to complete to install to fix directly against being combined in installation surface.

Time actually used, at needs, plug connector 12 is inserted in corresponding circuit, glue layer 13 is being fixed, just can realize the installation of electronic membrane switch, in use, press corresponding button, deform under the road direction that powers on, conducting is contacted with the pole plate of lower circuit, after finger unclamps, the bounce-back of upper circuit contact 8 is returned, and circuit disconnects, a signal is triggered in loop, it is exactly to realize corresponding function, and when pressing, has steam vent 9 to be discharged by gas unnecessary in cavity 5, and shell fragment 4 has good deformation and recovers the ability of deformation, easy to use.

Claims

1. an electronic membrane switch, including panel layer (1), described panel layer (1) has circuit layer (2), described upper circuit layer (2) has lower circuit layer (3), it is provided with shell fragment (4) between described upper circuit layer (2) and lower circuit layer (3), the cavity (5) placed for shell fragment (4) it is additionally provided with between described upper circuit layer (2) and lower circuit layer (3), it is characterized in that: between described upper circuit layer (2) and lower circuit layer (3), be additionally provided with sealing coat (6), described sealing coat (6) sticks on lower circuit layer (3), described shell fragment (4) is fixing with sealing coat (6) to be connected, described shell fragment (4) is provided with the projection piece (7) from upper circuit layer (2) to lower circuit layer (3) direction projection.

A kind of electronic membrane switch the most according to claim 1, is characterized in that: described shell fragment (4) domed setting, and the central authorities of arch is provided with projection piece (7).

A kind of electronic membrane switch the most according to claim 1, it is characterized in that: being provided with in described cavity (5) with projection piece (7) if the dry contact contacted (8), described contact (8) are fixing with lower circuit layer (3) to be connected.

A kind of electronic membrane switch the most according to claim 1, is characterized in that: described sealing coat (6) also includes steam vent (9), described steam vent (9) and ft connection.

A kind of electronic membrane switch the most according to claim 1, is characterized in that: be provided with some flexible glues point (10) between described upper circuit layer (2) and panel layer (1).

A kind of electronic membrane switch the most according to claim 5, is characterized in that: be provided with some grooves (11) between some described flexible glues point (10).

A kind of electronic membrane switch the most according to claim 1, is characterized in that: be additionally provided with on described lower circuit layer (3) for connecting the plug connector (12) that other circuit make electronic membrane switch realize work.

A kind of electronic membrane switch the most according to claim 1, is characterized in that: be additionally provided with glue layer (13) under described lower circuit layer (3).