CN206116258U

CN206116258U - Membrane keyboard

Info

Publication number: CN206116258U
Application number: CN201621168280.8U
Authority: CN
Inventors: 韩彩凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-11-02
Filing date: 2016-11-02
Publication date: 2017-04-19
Anticipated expiration: 2026-11-02

Abstract

The utility model relates to a membrane keyboard especially relates to a membrane keyboard who is applicable to cyber athlete, mainly includes to follow PCB, conductive thin film, button, metal sheet and the LED who up sets up down, the button includes the key cap and sets up the compressible strutting arrangement in the key cap below. Compressible strutting arrangement contains base, reset spring, axle core, shell fragment and upper cover, is provided with the slider on the axle core, is provided with the moulding -die contact on the shell fragment. Compressible strutting arrangement's center is equipped with a core holding chamber, is equipped with the mounting hole below it, conductive thin film is through the mounting hole, advances to the button inside, and get into conductive thin film top in the button and be equipped with the contact point, be provided with the moulding -die contact on the button inner spring strip. When pressing the key cap is to pressure stroke midway the time, and the button inner spring strip bounce, and press to the conductive thin film contact point its moulding -die contact. The utility model discloses simple structure, have that machinery is felt, can be given off light, low cost, long service life.

Description

Membrane keyboard

Technical field

This utility model belongs to membrane keyboard technical field, more particularly to a kind of membrane keyboard suitable for e-sports.

Background technology

Begin within 2003, e-sports campaign is classified as the 99th formal sports item by the General Administration of Sport of China, So far more than ten years.E-sports gos deep among the people, has attracted numerous young friends to add.

In e-sports race, player is used mostly the mechanical keyboard of specialty.There is short triggering stroke, some keyboards are pressed The characteristics of sound feedback being sent during key.

But mechanical keyboard complex structure, easy failure.And price is higher, it is unfavorable for the whole nation popularization of e-sports.

Utility model content

In view of the shortcomings of the prior art, the purpose of this utility model is to provide a kind of simple structure to have mechanical hand Sense, can light, with low cost, long service life membrane keyboard.

This utility model is achieved through the following technical solutions：

A kind of membrane keyboard, including the PCB, conductive film, button, metallic plate and the LED that arrange from the bottom up, the button Including keycap and the compressible support meanss being arranged on below keycap, the compressible support meanss include base, reset Spring, shaft core, shell fragment and upper lid, upper lid engages to form shaft core containing cavity with base, and one end of back-moving spring is set on base, The other end is set on the lower end of shaft core, and the upper end of shaft core is connected with the bottom surface of keycap, and slide block is provided with shaft core, is set on shell fragment Pressing mold contact is equipped with, keycap is pressed, shaft core band movable slider is moved downward, when the keycap is pressed to compression travel midway, pressed Key inner shrapnel is upspring, and shell fragment top die contact contacts with conductive film, so as to switch conduction.

Further, illuminating circuit is provided with the PCB fixed perforate is installed with for button, LED lower ends are provided with LED pins, LED is internally located at the lower section of keycap through the support meanss, and LED pins are welded for lighting with illuminating circuit LED。

Further, the concave character type perforate passed through for the button is provided with the conductive film, button passes through perforate It is installed on PCB, diaphragm is provided with perforate, diaphragm is to can be inserted into the stripe shape band contact point circuit in button.

Further, the support meanss lower end is provided with and is available for the stripe shape band contact point circuit insertion of conductive film to install Installing hole, when the keycap is pressed to compression travel midway, button inner shrapnel is upspring, shell fragment top die contact and stripe shape band Contact point wiring circuit contact, so as to switch conduction.

Further, perforate is set, and perforate engages with button waist, with the support of sharp button and admittedly on the metallic plate It is fixed.

Further, the lower end of the base is provided with the locating dowel being fixedly connected with the perforate on the PCB.

Further, the lower end of the shaft core is provided with shaft core foundation, spring stack is provided with the base, in spring stack There are the through hole passed through for shaft core foundation, shaft core foundation activity in spring stack so that shaft core moving position is all the time in support meanss Center.

Further, be provided with the inclined-plane contacted with the shell fragment on the slide block, inclined-plane include the first inclined-plane with Second inclined-plane, first inclined-plane is connected with the second inclined-plane by an arcwall face, and the gradient on first inclined-plane is less than the second inclined-plane Gradient, second inclined-plane extends downward the bottom surface of side wall.

Further, L-type gear is provided with the shaft core to hook.

Further, the shell fragment is provided with shell fragment contact surface, slide block elder generation quilt when pressing the keycap, in the shaft core Shell fragment contact surface limits motion, and shell fragment contact surface is stuck between the second inclined-plane and arcwall face, and afterwards shaft core continues downward, and shell fragment connects Contacting surface leaves the second inclined-plane, via arcwall face, slides to the first inclined-plane, at this moment slide block because shell fragment contact surface extruding, rapidly to Under hit L-type gear and hook, the strength of impact is delivered to keycap, causes mechanical feel.

Description of the drawings

Accompanying drawing 1 is explosive view of the present utility model；

Accompanying drawing 2 is profile of the present utility model；

Accompanying drawing 3 is pressed down profile when some for this utility model button；

Accompanying drawing 4 is pressed into profile during midway for this utility model button；

Accompanying drawing 5 is the upward view of shaft core；

Accompanying drawing 6 is keyboard overall diagram.

Specific embodiment

This utility model is further described below in conjunction with accompanying drawing and specific embodiment：

As shown in Fig. 1～5, membrane keyboard of the present utility model, including the PCB (1), the conductive film that arrange from the bottom up (2), button (3), metallic plate (4) and LED (5), button (3) is including keycap (32) and is arranged on compressible below keycap (32) Support meanss (31), compressible support meanss include base (311), back-moving spring (312), shaft core (313), shell fragment (314) and upper lid (315), base (311) and upper lid (315) can engage, and shaft core containing cavity be formed, in base shaft core (313) Slide block (3131) is provided with, pressing mold contact (3141) is provided with shell fragment (314), pressing keycap (32), shaft core (313) drives Slide block is moved downward, and when keycap (32) is pressed to compression travel midway, button (3) inner shrapnel (314) is upspring, its pressing mold contact Contact with conductive film (2).

PCB (1) is provided with illuminating circuit (101) and installs fixed perforate (102), illuminating circuit with button (3) is available for (101) weld with LED pins (51), LED can be lighted, the concave character type passed through for button (3) is provided with conductive film (2) and is opened Hole (201), button (3) is installed on PCB (1) by perforate (201), and diaphragm is provided with perforate (201), and diaphragm is can Stripe shape band contact point circuit (202) in insertion button.There are perforate (401), perforate (401) and button waist on metallic plate (4) (3113) engage for supporting and fixing button (3), LED (5) and PCB (1) is welded, and internal through support meanss (31), is arrived Up to keycap (32) lower section, when lighting, the word on keycap (32) can be lighted.

There is installing hole (3111) support meanss (31) lower end, is available for the long belt contact point circuit of conductive film (2) (202) insertion is installed, and base (311) lower end is provided with locating dowel (3112), and locating dowel (3112) is connected with PCB perforates (102) Fixed position.Interior shaft core (313) upper end of support meanss (31) is connected with the bottom surface of keycap (32), shaft core (313), can on move down It is dynamic, but range of activity is limited by base (311) and upper lid (315), there are spring stack (3114), back-moving spring on base (311) (312) one end is set on base (311), and the other end is set on the lower end of shaft core (313), and in spring stack (3114) axle is supplied The through hole that core (313) passes through, shaft core (313) lower end is provided with shaft core foundation (3132), and shaft core foundation (3132) is in spring stack (3114) activity in so that shaft core (313) moving position is all the time at the center of support meanss (31).

Shell fragment (314) is fixed on base (311), is contacted with shaft core (313) and is connected, the slide block (3131) of shaft core (313) On have inclined-plane (31311), inclined-plane (31311) are connected with the shell fragment contact surface (3142) being arranged on shell fragment (314), shaft core (313) band movable slider (3131) is moved up and down, and shell fragment contact surface (3142) and pressing mold contact (3141) move left and right, inclined-plane (31311) including the first inclined-plane (313111) and the second inclined-plane (313112), first inclined-plane and the second inclined-plane pass through an arc Face (313113) connects, and the gradient on first inclined-plane (313111) is less than the gradient of the second inclined-plane (313112), second inclined-plane (313112) bottom surface of side wall is extended downward, when shaft core (313) is pressed, slide block (3131) is squeezed by shell fragment contact surface (3142) Press to, when shaft core (313) continues to be pressed, shell fragment contact surface (3142) reaches the first inclined-plane through arcwall face (313113) (313111), promote slide block (3131) spring downward, the gear for hitting the L-type in shaft core (313) hooks (3133), sends vibration harmony Sound, when slide block (3131) bounces downwards, the pressing mold contact (3141) on shell fragment (314) is pressed into the circuit on conductive film (2) Contact (2021), conducting circuit (202).

It is static：Refer to Fig. 2, shell fragment (314) when button (3) is not pressed, pressing mold contact (3141) away from Line contact (2021) on conductive film (2), shell fragment contact surface (3142) is contacted with the inclined-plane of slide block second (313112).

Dynamic 1：Fig. 3 is referred to, when button (3) is depressed some, slide block (3131) is squeezed by shell fragment contact surface (3142) Press to, shell fragment contact surface (3142) is stuck in the middle of the inclined-plane of slide block second (313112) and arcwall face (313113).

Dynamic 2：Fig. 4 is referred to, when button (3) is depressed to midway, shell fragment contact surface (3142) is through arcwall face (313113) the first inclined-plane (313111) are reached, promotes slide block (3131) spring downward, hit the gear of the L-type in shaft core (313) Hook (3133), send vibration and sound, pressing mold contact (3141) pressing when slide block (3131) bounces downwards, on shell fragment (314) Line contact (2021) on conductive film (2), conducting circuit (202).

For a person skilled in the art, other can be made various corresponding according to above technical scheme and design Change and deformation, and all these change and deformation all should belong to this utility model scope of the claims it It is interior.

Claims

1. a kind of membrane keyboard, it is characterised in that：Including the PCB, conductive film, button, metallic plate for arranging from the bottom up and LED, the button includes keycap and the compressible support meanss being arranged on below keycap, the compressible support meanss bag Base is included, back-moving spring, shaft core, shell fragment and upper lid, upper lid engages to form shaft core containing cavity with base, one end set of back-moving spring It is located on base, the other end is set on the lower end of shaft core, the upper end of shaft core is connected with the bottom surface of keycap, cunning is provided with shaft core Block, is provided with pressing mold contact on shell fragment, press keycap, and shaft core band movable slider is moved downward, when the pressing keycap is to compressed line During journey midway, button inner shrapnel is upspring, and shell fragment top die contact contacts with conductive film, so as to switch conduction.

2. membrane keyboard according to claim 1, it is characterised in that：Illuminating circuit is provided with the PCB and button is supplied Fixed perforate is installed, LED lower ends are provided with LED pins, and LED is internally located at the lower section of keycap, LED through the support meanss Pin is welded for lighting LED with illuminating circuit.

3. membrane keyboard according to claim 1, it is characterised in that：It is provided with the conductive film for described by push-to The concave character type perforate crossed, button is installed on PCB by perforate, and diaphragm is provided with perforate, and diaphragm is pluggable button Interior stripe shape band contact point circuit.

4. membrane keyboard according to claim 3, it is characterised in that：The support meanss lower end is provided with and is available for conductive thin The stripe shape of film inserts the installing hole installed with contact point circuit, when the keycap is pressed to compression travel midway, bullet in button Piece is upspring, shell fragment top die contact and stripe shape band contact point wiring circuit contact, so as to switch conduction.

5. membrane keyboard according to claim 1, it is characterised in that：Perforate, perforate and button are set on the metallic plate Waist engages, with the support and fixation of sharp button.

6. membrane keyboard according to claim 2, it is characterised in that：The lower end of the base be provided with the PCB The locating dowel that is fixedly connected of perforate.

7. membrane keyboard according to claim 1, it is characterised in that：The lower end of the shaft core is provided with shaft core foundation, institute State and be provided with base spring stack, there is the through hole passed through for shaft core foundation in spring stack, the activity in spring stack of shaft core foundation makes Shaft core moving position is obtained all the time at the center of support meanss.

8. membrane keyboard according to claim 1, it is characterised in that：It is provided with what is contacted with the shell fragment on the slide block Inclined-plane, inclined-plane includes the first inclined-plane and the second inclined-plane, and first inclined-plane is connected with the second inclined-plane by an arcwall face, and this Less than the gradient on the second inclined-plane, second inclined-plane extends downward the bottom surface of side wall to the gradient on one inclined-plane.

9. membrane keyboard according to claim 8, it is characterised in that：It is provided with L-type gear in the shaft core to hook.

10. membrane keyboard according to claim 9, it is characterised in that：The shell fragment is provided with shell fragment contact surface, presses institute When stating keycap, the shell fragment contact surface is stuck between the second inclined-plane and arcwall face, and shaft core continues downward, and shell fragment contact surface slides to the One inclined-plane, slide block hits downwards rapidly the L-type gear and hooks because of the extruding of shell fragment contact surface, and the strength of impact is delivered to keycap.