CN210742891U

CN210742891U - Card type flat keyboard

Info

Publication number: CN210742891U
Application number: CN201921969598.XU
Authority: CN
Inventors: 肖宗琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-15
Filing date: 2019-11-15
Publication date: 2020-06-12
Anticipated expiration: 2029-11-15

Abstract

The utility model discloses a little card piece formula flat keyboard, including the fine base plate of glass, a supporting plate, the protective sheath, the bottom surface of the fine base plate of glass is bonded there is the soft cloth piece, a supporting plate, the protective sheath bonds in proper order on the soft cloth piece, the top surface cover of the fine base plate of glass has conductive film, conductive film's top surface covers there is button PET membrane, the top surface of button PET membrane arranges according to its button and distributes and have little card piece, the fine base plate upper cover of glass is equipped with the upper cover, the upper cover is with button PET membrane, conductive film compresses tightly on the fine base plate of glass, the upper cover has the keyhole that sets up according to the button PET membrane's button distribution, install in the keyhole and.

Description

Card type flat keyboard

Technical Field

The utility model relates to an intelligence electronic product technical field specifically is a metal dome formula flat keyboard.

Background

A Tablet Personal Computer (also called a laptop PC) is a small and portable Personal Computer, and uses a touch screen as a basic input device. It possesses a touch screen (also known as digitizer technology) that allows a user to work with a stylus or digitizer rather than a traditional keyboard or mouse. The user can input through built-in handwriting recognition, a soft keyboard, voice recognition or an external keyboard.

In order to facilitate input, an external keyboard is usually connected to the tablet computer for input, and most of the existing tablet computer keyboards adopt flexible film touch control, so that the touch performance is poor, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.

The utility model provides a little card piece formula flat keyboard, including the fine base plate of glass, a supporting plate, the protective sheath, the bottom surface of the fine base plate of glass is bonded with soft cloth, a supporting plate, the protective sheath bonds in proper order on soft cloth, the top surface of the fine base plate of glass covers there is electrically conductive film, electrically conductive film's top surface covers there is button PET membrane, the top surface of button PET membrane distributes according to its button range has little card piece, the fine base plate upper cover of glass is equipped with the upper cover, the upper cover is with button PET membrane, electrically conductive film compresses tightly on the fine base plate of glass, the upper cover has the keyhole that sets up according to the button distribution of button PET membrane, install in the keyhole.

Furthermore, a silicone membrane is padded between the upper cover and the button PET membrane, and silicone buttons arranged according to the button distribution of the button PET membrane are formed on the silicone membrane.

Furthermore, a positioning groove is formed on the button PET film, and the snap dome is arranged in the positioning groove.

Furthermore, contact salient points are formed on the inner top of the snap dome.

Furthermore, a limit ring is formed on the upper edge of the key hole, and a convex block corresponding to the limit ring is formed on the lower edge of the key cap.

Furthermore, a pressing block for pressing the snap dome is formed in the center of the bottom of the keycap.

Furthermore, the top surface shaping of upper cover has the recess that adapts to the shape of panel computer, and in the side of panel computer inserted the recess, constitute triangle-shaped between protective sheath, backup pad, the fine base plate of glass, and the angle between protective sheath and the fine base plate of glass is 125.

Compared with the prior art, the utility model discloses the beneficial effect who gains does: the utility model discloses novel structure adopts the dome structure, the long service life of keyboard to be rich in and feel.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is another schematic structural diagram of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a dome sheet type flat keyboard comprises a glass fiber substrate 1, a supporting plate 2 and a protective sleeve 3, wherein a soft cloth sheet 4 is bonded on the bottom surface of the glass fiber substrate 1, the supporting plate 2 and the protective sleeve 3 are sequentially bonded on the soft cloth sheet 4, a conductive thin film 5 covers the top surface of the glass fiber substrate 1, a button PET film 6 covers the top surface of the conductive thin film 5, dome sheets 7 are distributed on the top surface of the button PET film 6 according to the button arrangement, an upper cover 8 covers the glass fiber substrate 1, the button PET film 6 and the conductive thin film 5 are tightly pressed on the glass fiber substrate 1 by the upper cover 8, the upper cover 8 is provided with key holes 81 distributed according to the buttons of the button PET film 6, and key caps 9 in clearance fit with the key holes 81 are installed in the key holes.

Further, a silicone membrane 10 is padded between the upper cover 8 and the button PET film 6, and silicone buttons 101 arranged according to the button distribution of the button PET film 6 are formed on the silicone membrane 10.

Furthermore, a positioning groove 61 is formed on the button PET film 6, and the snap dome 7 is arranged in the positioning groove 61.

Further, contact bumps 71 are formed on the inner top of the snap dome 7.

Furthermore, a limiting ring 82 is formed on the upper edge of the key hole 81, and a projection 91 corresponding to the limiting ring is formed on the lower edge of the key cap 9.

Further, a pressing block 92 for pressing the snap dome 7 is formed at the center of the bottom of the key cap 9.

Further, the top surface shaping of upper cover 8 has the recess 81 that adapts to the shape of panel computer, and in the side of panel computer inserted recess 81, constitute triangle-shaped between protective sheath 3, backup pad 2, the fine base plate 1 of glass, and the angle between protective sheath 3 and the fine base plate 1 of glass is 125.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims

1. The utility model provides a little card piece formula flat keyboard, including the fine base plate of glass, a supporting plate, the protective sheath, a serial communication port, the bottom surface bonding of the fine base plate of glass has the soft cloth piece, a supporting plate, the protective sheath bonds in proper order on the soft cloth piece, the top surface of the fine base plate of glass covers there is electrically conductive film, electrically conductive film's top surface covers has button PET membrane, the top surface of button PET membrane arranges according to its button and distributes and have little card piece, the fine base plate upper cover of glass is equipped with the upper cover, the upper cover is with button PET membrane, electrically conductive film compresses tightly on the fine base plate of glass, the upper cover has the keyhole that sets up according to the button PET membrane's button.

2. The dome-type flat keyboard according to claim 1, wherein a silicone membrane is padded between the upper cover and the button PET membrane, and silicone buttons arranged according to the button distribution of the button PET membrane are formed on the silicone membrane.

3. The dome type flat keyboard as claimed in claim 1, wherein positioning grooves are formed on the PET film of the keys, and the dome is mounted in the positioning grooves.

4. The dome type flat keyboard as claimed in claim 1, wherein contact bumps are formed on an inner top of the dome.

5. The dome-type flat keyboard of claim 1, wherein a stopper ring is formed on an upper edge of the key hole, and a protrusion corresponding to the stopper ring is formed on a lower edge of the key cap.

6. The dome tablet keyboard of claim 1, wherein a press block for pressing the dome is formed at the center of the bottom of the key cap.

7. The dome-type tablet keyboard of claim 1, wherein the top surface of the top cover is formed with a groove adapted to the shape of the tablet computer, when the side of the tablet computer is inserted into the groove, the protective sleeve, the supporting plate and the glass fiber substrate form a triangle, and the angle between the protective sleeve and the glass fiber substrate is 125 °.