CN216957834U

CN216957834U - Light touch on type keyboard membrane switch

Info

Publication number: CN216957834U
Application number: CN202220034062.4U
Authority: CN
Inventors: 焦译樊; 谭文俊
Original assignee: Chongqing Jiaweifeng Electronics Co ltd
Current assignee: Chongqing Jiaweifeng Electronics Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-07-12
Anticipated expiration: 2032-01-07

Abstract

The utility model discloses a light-touch switch-on keyboard membrane switch, which comprises a membrane switch body, wherein the upper end surface of the membrane switch body is provided with a plurality of key pressing grooves, the bottom inside the membrane switch body is provided with a PCB (printed circuit board), the bottom inside the membrane switch body, which is close to the key pressing grooves, is provided with a key cavity, the upper end surface of the PCB is provided with a plurality of first contacts, the first contacts are arranged inside the key cavity, the upper ends of the key cavities are provided with silica gel shells, the upper ends, which are close to the first contacts, inside the silica gel shells are provided with second contacts, one side of the upper end surface of each silica gel shell is provided with a vent hole, two sides inside the key cavities are provided with fixing frames, and a slide bar is vertically arranged between the fixing frames. This kind of dabbing switch-on formula keyboard membrane switch, simple structure is reasonable, the modern design, and easy operation is convenient for membrane switch button is pressed laborsavingly more, has higher practical value.

Description

Light touch on type keyboard membrane switch

Technical Field

The utility model relates to the technical field of membrane switches, in particular to a light-touch on-type keyboard membrane switch.

Background

Membrane switch is also known as light touch keyboard, and the inside metal dome that uses of current membrane switch mostly rebounds to the button, but the metal material of metal dome leads to the user very hard when pressing the button, has influenced the result of use greatly. Therefore, the touch-on keyboard membrane switch is improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model discloses a light-touch on-type keyboard membrane switch which comprises a membrane switch body, wherein a plurality of key pressing grooves are formed in the upper end face of the membrane switch body, a PCB (printed circuit board) is arranged at the bottom inside the membrane switch body, key cavities are formed in the bottom, close to the key pressing grooves, of the inside of the membrane switch body, a plurality of first contacts are arranged on the upper end face of the PCB, the first contacts are arranged inside the key cavities, silica gel shells are arranged at the upper ends of the key cavities, second contacts are arranged at the upper ends, close to the first contacts, of the inside of the silica gel shells, and air holes are formed in one side of the upper end face of each silica gel shell.

As a preferred technical scheme of the utility model, two sides in the key cavity are respectively provided with a fixed frame, and a sliding rod is vertically arranged between the fixed frames.

As a preferable technical scheme of the utility model, a pressing block is slidably mounted between the sliding rods, and the top end of the pressing block penetrates through the key slot and extends to the outside.

As a preferred technical scheme of the utility model, the top ends of the pressing blocks are respectively provided with a clamping groove, and the sliding rods are respectively sleeved with a spring at the bottom side close to the pressing blocks.

As a preferred technical scheme, the upper end surfaces of the pressing blocks are respectively provided with a keycap, the bottoms of the keycaps are provided with a clamping block, and the clamping blocks are clamped with the clamping grooves.

As a preferred technical scheme of the utility model, one side of the upper end face of the membrane switch body is provided with a display groove, and a transparent acrylic plate is embedded and installed in the display groove.

As a preferable technical solution of the present invention, one side of the membrane switch body is provided with a lead-out wire.

As a preferred technical scheme of the utility model, fluorescent layers are arranged at the upper ends of the keycaps.

The beneficial effects of the utility model are:

1. according to the light-touch on-type keyboard membrane switch, the silica gel shell, the first contact and the second contact are matched for use, so that when the silica gel shell is pressed down, the first contact is in contact with the second contact, and then the PCB is electrified;

2. this kind of dab switch-on formula keyboard membrane switch uses through the cooperation of mount, slide bar, spring and briquetting, through the elasticity of spring for the briquetting can kick-back fast after pushing down, and then improves the user to membrane switch's result of use, through the installation key cap, improves the protection effect to the briquetting, and then improves membrane switch's life, the utility model, simple structure is reasonable, novel in design, easy operation is convenient, makes membrane switch button press more laborsaving, has higher practical value.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic perspective view of a light touch-on keyboard membrane switch of the present invention;

FIG. 2 is a schematic perspective view of a membrane switch of a light touch keyboard according to the present invention;

FIG. 3 is a schematic partial side cross-sectional view of a key cavity of a membrane switch of a light touch keyboard according to the present invention;

fig. 4 is a schematic perspective view of a key cap of a membrane switch of a light touch keyboard according to the present invention.

In the figure: 1. a membrane switch body; 2. pressing a key slot; 3. a keycap; 4. a display slot; 5. a transparent acrylic sheet; 6. leading-out wires; 7. pressing into blocks; 8. a card slot; 9. a key cavity; 10. a PCB board; 11. a first contact; 12. a silica gel shell; 13. a second contact; 14. a fixed mount; 15. a slide bar; 16. a spring; 17. a clamping block; 18. a fluorescent layer.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it should be understood that they are presented herein only to illustrate and explain the present invention and not to limit the present invention.

Example (b): as shown in fig. 1-4, the light-touch on-type keyboard membrane switch of the utility model comprises a membrane switch body 1, wherein the upper end surface of the membrane switch body 1 is provided with a plurality of key pressing grooves 2, the bottom inside the membrane switch body 1 is provided with a PCB 10, the bottom inside the membrane switch body 1 near the key pressing grooves 2 is provided with key cavities 9, the upper end surface of the PCB 10 is provided with a plurality of first contacts 11, the plurality of first contacts 11 are arranged inside the key cavities 9, the upper ends of the plurality of key cavities 9 are provided with silica gel shells 12, the upper ends inside the silica gel shells 12 near the first contacts 11 are provided with second contacts 13, and one side of the upper end surface of the silica gel shells 12 is provided with air holes.

The two sides in the key cavity 9 are both provided with fixed frames 14, a sliding rod 15 is vertically arranged between the fixed frames 14, and the pressing block 7 can conveniently slide up and down along the sliding rod 15 by installing the fixed frames 14 and the sliding rod 15.

Wherein, slidable mounting has briquetting 7 between the slide bar 15, briquetting 7's top is run through according to keyway 2 to extend to the outside, through extending briquetting 7 top to the outside according to keyway 2, convenient to use person presses, and then uses membrane switch body 1.

Wherein, draw-in groove 8 has all been seted up on the top of briquetting 7, slide bar 15 all is equipped with spring 16 in the bottom side that is close to briquetting 7 cover, through installation spring 16 for briquetting 7 can be quick after pushing down kick-backs, and then convenient to use person carries out continuous use.

Wherein, the key cap 3 is all installed to the up end of briquetting 7, the bottom of key cap 3 is equipped with fixture block 17, just fixture block 17 and the mutual block of draw-in groove 8, through installation key cap 3, convenient to use person installs it on briquetting 7, plays the effect of protection to briquetting 7, and then improves membrane switch body 1's life.

Wherein, display slot 4 has been seted up to 1 up end one side of membrane switch body, display slot 4 is inside to be inlayed and to establish and install transparent inferior gram force board 5, through seting up display slot 4 and transparent inferior gram force board 5, convenient to use person installs membrane switch body 1 on the equipment that has the display screen.

Wherein, the membrane switch body 1 one side is equipped with the lead-out wire 6, through being equipped with the lead-out wire 6, convenient to use person installs and connects membrane switch body 1.

Wherein, the upper end of key cap 3 all is equipped with fluorescent layer 18, and through being equipped with fluorescent layer 18, the user of being convenient for uses membrane switch body 1 night.

The working principle is as follows: when the membrane switch of the light-touch-on type keyboard is used, whether each mechanism in the membrane switch of the light-touch-on type keyboard is complete or not is firstly checked, then the membrane switch body 1 is installed and connected with equipment, the first contact 11 is contacted with the second contact 13 when the silica gel shell 12 is pressed down through the matched use of the silica gel shell 12, the first contact 11 is contacted with the second contact 13, further the PCB 10 is electrified, and due to the elasticity of the silica gel shell 12, when a user loosens the pressing of the silica gel shell 12, the silica gel shell 12 is automatically reset due to the elasticity, the first contact 11 is separated from the second contact 13, further the PCB 10 is powered off, the membrane switch body 1 is used through the electrification and the power off of the PCB 10, the fixed frame 14, the sliding rod 15, the spring 16 and the pressing block 7 are matched for use, and through the elasticity of the spring 16, the utility model has the advantages of simple and reasonable structure, novel design, simplicity and convenience in operation, and capability of enabling the membrane switch key to be more labor-saving to press, and has higher practical value.

Finally, it should be noted that: in the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a dab switch-on formula keyboard membrane switch, includes membrane switch body (1), its characterized in that, a plurality of key ways (2) of pressing have been seted up to membrane switch body (1) up end, the inside bottom of membrane switch body (1) is equipped with PCB board (10), button chamber (9) have all been seted up near the bottom of pressing key way (2) to membrane switch body (1) inside, the up end of PCB board (10) is equipped with a plurality of first contacts (11), and a plurality of first contact (11) all set up the inside in button chamber (9), and are a plurality of the upper end of button chamber (9) all is equipped with silica gel shell (12), second contact (13) are installed in the upper end of being close to first contact (11) in the inside of silica gel shell (12), the bleeder vent has been seted up to silica gel shell (12) up end one side.

2. The light touch on type keyboard membrane switch according to claim 1, characterized in that, the inner two sides of the key cavity (9) are installed with fixed frames (14), and a sliding rod (15) is vertically installed between the fixed frames (14).

3. The membrane switch of the touch-on type keyboard of claim 2, wherein a pressing block (7) is slidably mounted between the sliding rods (15) at two sides, and the top end of the pressing block (7) penetrates through the key pressing groove (2) and extends to the outside.

4. The light touch on-type keyboard membrane switch according to claim 3, wherein the top end of the pressing block (7) is provided with a clamping groove (8), and the sliding rod (15) is sleeved with a spring (16) at the bottom side close to the pressing block (7).

5. The light touch on-type keyboard membrane switch according to claim 4, wherein the press block (7) is provided with a key cap (3) on the upper end surface, the key cap (3) is provided with a block (17) at the bottom, and the block (17) and the slot (8) are mutually clamped.

6. The light touch on type keyboard membrane switch according to claim 1, characterized in that one side of the upper end surface of the membrane switch body (1) is provided with a display groove (4), and a transparent acrylic plate (5) is embedded and installed in the display groove (4).

7. The membrane switch of the touch-on type keyboard according to claim 1, wherein one side of the membrane switch body (1) is provided with an outgoing line (6).

8. A tact-through keyboard membrane switch according to claim 5, characterized in that the upper ends of said key caps (3) are provided with fluorescent layers (18).