CN217061857U

CN217061857U - Thin film panel type keyboard

Info

Publication number: CN217061857U
Application number: CN202123426306.8U
Authority: CN
Inventors: 周淑辉; 付英俊
Original assignee: Guangzhou Chuangli Electronics Co ltd
Current assignee: Guangzhou Chuangli Electronics Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-26
Anticipated expiration: 2031-12-31

Abstract

The utility model relates to the technical field of film keyboards, in particular to a film panel keyboard, which comprises a keyboard main body, wherein a chamber in the top of the keyboard main body is provided with a film panel main body and a bottom plate, the top of the keyboard main body is provided with a key groove, the bottom of the key groove is fixed with a convex tube which is inserted with a key, the convex tube is sleeved with a key, the bottom of the inner wall of the convex tube is fixed with a convex ring, the convex ring is inserted with an elastic pressing component which is contacted with the bottom of the key, the side surface of the elastic pressing component is fixed with a plurality of convex blocks, the top of the convex ring is fixed with a plurality of elastic resetting components which are contacted with the convex blocks, the elastic resetting component comprises a reed, two ends of the reed are fixed with guiding components, the utility model can upwards reset by matching the elastic pressing component with the reed, utilizes the reed to assist in resetting work, improves the fatigue resistance of the elastic pressing component, the service life of the device is prolonged.

Description

Thin film panel type keyboard

Technical Field

The utility model relates to a film keyboard technical field specifically is a film panel formula keyboard.

Background

The membrane keyboard is an example of the category of membrane switches, and the membrane switches with more keys and orderly arranged are commonly called as membrane keyboards. The membrane keyboard is a keyboard integrating decoration and functionality which is popular internationally in recent years. The circuit board consists of four parts, including a panel, an upper circuit, an isolating layer and a lower circuit. The membrane keyboard has the advantages of attractive and novel appearance, small volume, light weight and strong sealing property.

In the prior art, there are some problems, such as:

the existing membrane switch is usually made of rubber or plastic materials and made of elastic sheets, and because the membrane or an internal switch structure on the membrane switch is easy to damage and the elastic sheets are easy to curl and deform after the membrane switch is used for a period of time due to frequent pressing, the resilience force is reduced, so that the contact is insensitive to pressing or lifting, even the switch function is invalid, and the service life of the switch is seriously influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a film panel keyboard to solve the problem that proposes in the above-mentioned background art.

The technical scheme of the utility model is that: the utility model provides a film panel formula keyboard, includes the keyboard main part, the cavity is equipped with film panel main part and bottom plate in the top of keyboard main part, the keyway has been seted up at keyboard main part top, the keyway bottom is fixed with pegs graft and has the stand pipe, the cover is equipped with the button on the stand pipe, the inner wall bottom mounting of stand pipe has the bulge loop, the bulge loop interpolation connect with the subassembly is pressed to the elasticity of button bottom contact, the subassembly side is fixed with a plurality of lugs is pressed to the elasticity, the top of bulge loop be fixed with a plurality of with the elasticity reset assembly of lug contact, elasticity reset assembly includes the reed, the both ends of reed are fixed with the direction subassembly.

Preferably, the key comprises a keycap, and a sleeve sleeved on the convex tube is fixed at the bottom of the keycap.

Preferably, the elastic pressing component comprises a silica gel column and a guide convex column arranged at the bottom end of the silica gel column, a contact is fixed at the bottom of the guide convex column, the guide convex column is inserted into the convex ring, a cylindrical cavity is arranged in the silica gel column, and an annular corrugated groove is arranged on the outer side wall of the silica gel column.

Preferably, the guide assembly comprises a limiting column fixedly connected with the end of the reed, and a limiting piece fixedly connected with the top of the convex ring is sleeved at one end, far away from the reed, of the limiting column.

Preferably, the limiting column is sleeved with an insulating spring, and the insulating spring is located between the reed and the limiting sheet.

The utility model discloses an improve and provide a film panel formula keyboard here, compare with prior art, have following improvement and advantage:

the elastic pressing component is pressed downwards through pressing the key, the convex block is driven to move downwards to press the reed, the reed expands towards two sides under the guiding effect of the guiding component, the bottom end of the elastic pressing component triggers the main body passage of the film panel, after the key is released, the reed is matched with the elastic pressing component to reset upwards, the reed assists in resetting, the fatigue resistance of the elastic pressing component is improved, and the service life of the device is prolonged.

Drawings

The invention is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

FIG. 3 is an enlarged schematic view of the structure at B in FIG. 2;

fig. 4 is a schematic perspective view of the elastic reposition component of the present invention.

Description of reference numerals:

1. a keyboard main body; 2. a keyway; 3. a base plate; 4. a film panel main body; 5. a keycap; 6. a sleeve; 7. a silica gel column; 8. a convex pipe; 9. a convex ring; 10. a guide convex column; 11. a contact point; 12. a bump; 13. a reed; 14. a limiting sheet; 15. a limiting post; 16. an insulating spring.

Detailed Description

The present invention will be described in detail below, and it is apparent that the technical solutions in the embodiments of the present invention are described clearly and completely. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

The utility model discloses an improve and provide a film panel formula keyboard here, the technical scheme of the utility model is:

as shown in fig. 1-4, a film panel type keyboard comprises a keyboard body 1, a film panel body 4 and a bottom plate 3 are arranged in a cavity in the top of the keyboard body 1, a key groove 2 is formed in the top of the keyboard body 1, a convex tube 8 is fixed to the bottom of the key groove 2 in a splicing mode, a key is sleeved on the convex tube 8, a convex ring 9 is fixed to the bottom end of the inner wall of the convex tube 8, an elastic pressing component in contact with the bottom of the key is inserted in the convex ring 9, a plurality of convex blocks 12 are fixed to the side face of the elastic pressing component, a plurality of elastic resetting components in contact with the convex blocks 12 are fixed to the top of the convex ring 9, the elastic resetting components comprise reed leaves 13, and guide components are fixed to two ends of the reed leaves 13.

By means of the structure, the elastic pressing assembly is pressed downwards by pressing the key, the projection 12 is driven to move downwards to press the reed 13, the reed 13 expands towards two sides under the guiding effect of the guiding assembly, the bottom end of the elastic pressing assembly triggers the passage of the film panel main body 4, after the key is released, the reed 13 is matched with the elastic pressing assembly to reset upwards, the reed 13 is used for assisting in resetting, the fatigue resistance of the elastic pressing assembly is improved, and the service life of the device is prolonged.

Furthermore, the key comprises a keycap 5, and a sleeve 6 sleeved on the convex tube 8 is fixed at the bottom of the keycap 5.

Furthermore, the elastic pressing component comprises a silica gel column 7 and a guide convex column 10 arranged at the bottom end of the silica gel column 7, a contact 11 is fixed at the bottom of the guide convex column 10, the guide convex column 10 is inserted in the convex ring 9, a cylindrical cavity is arranged in the silica gel column 7, and an annular corrugated groove is arranged on the outer side wall of the silica gel column 7.

By means of the structure, the cylindrical cavity and the annular corrugated groove of the silica gel column 7 can increase the deformation resetting capability of the silica gel column and improve the resetting effect.

Further, the guide assembly comprises a limiting column 15 fixedly connected with the end of the reed 13, and a limiting sheet 14 fixedly connected with the top of the convex ring 9 is sleeved on one end, far away from the reed 13, of the limiting column 15.

By means of the structure, the limiting column 15 can be matched with the limiting sheet 14 to play a role in guiding and limiting when the spring plate 13 expands or resets, and the service life of the spring plate 13 is improved.

Furthermore, an insulating spring 16 is sleeved on the limiting column 15, and the insulating spring 16 is positioned between the spring plate 13 and the limiting sheet 14.

With the above configuration, insulation spring 16 can be compressed when spring plate 13 expands, assisting in returning spring plate 13, and improving durability of spring plate 13.

The working principle is as follows: the elastic pressing component is pressed downwards by pressing the key, the lug 12 is driven to move downwards to press the reed 13, the reed 13 expands towards two sides under the guiding effect of the guiding component, the contact 11 at the bottom end of the silica gel column 7 triggers the passage of the film panel main body 4, after the key is released, the reed 13 is matched with the elastic pressing component to reset upwards, the insulating spring 16 can be compressed when the reed 13 expands, the auxiliary reed 13 resets, and the reed 13 is used for assisting in resetting.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a film panel formula keyboard, includes keyboard main part (1), the top inner chamber of keyboard main part (1) is equipped with film panel main part (4) and bottom plate (3), keyway (2), its characterized in that have been seted up at keyboard main part (1) top: the improved key press is characterized in that a convex tube (8) is fixedly connected to the bottom of the key groove (2) in an inserted mode, a key is sleeved on the convex tube (8), a convex ring (9) is fixedly arranged at the bottom end of the inner wall of the convex tube (8), an elastic pressing component in contact with the bottom of the key is inserted in the convex ring (9), a plurality of convex blocks (12) are fixedly arranged on the side face of the elastic pressing component, a plurality of elastic resetting components in contact with the convex blocks (12) are fixedly arranged at the top of the convex ring (9), each elastic resetting component comprises a reed (13), and guide components are fixedly arranged at two ends of each reed (13).

2. The thin film panel keyboard of claim 1, wherein: the button comprises a keycap (5), and a sleeve (6) sleeved on the convex pipe (8) is fixed at the bottom of the keycap (5).

3. The thin film panel keyboard of claim 1, wherein: the elastic pressing component comprises a silica gel column (7) and a guide convex column (10) arranged at the bottom end of the silica gel column (7), a contact (11) is fixed at the bottom of the guide convex column (10), the guide convex column (10) is inserted into the convex ring (9), a cylindrical cavity is arranged in the silica gel column (7), and an annular corrugated groove is arranged on the outer side wall of the silica gel column (7).

4. The thin film panel keyboard of claim 1, wherein: the guide assembly comprises a limiting column (15) fixedly connected with the end of the reed (13), and a limiting sheet (14) fixedly connected with the top of the convex ring (9) is sleeved at one end, far away from the reed (13), of the limiting column (15).

5. The thin film panel keyboard of claim 4, wherein: the limiting column (15) is sleeved with an insulating spring (16), and the insulating spring (16) is located between the reed (13) and the limiting sheet (14).