CN217086430U

CN217086430U - Key switch structure of electronic product

Info

Publication number: CN217086430U
Application number: CN202123435461.6U
Authority: CN
Inventors: 马保军; 肖威; 谭小兵; 张治宇
Original assignee: Emdoor Digital Technology Co ltd
Current assignee: Emdoor Digital Technology Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-29
Anticipated expiration: 2031-12-30

Abstract

The application discloses a key switch structure of an electronic product, which comprises a shell and a control circuit board, wherein the control circuit board is connected with the shell, the control circuit board is provided with a control switch, and a mounting hole is formed in the position, corresponding to the control switch, of the shell; the touch mechanism is arranged on the mounting hole, connected with the control switch and used for driving the control switch to be turned on or off, and connected with the control circuit board. The key structure is modularized by arranging the touch mechanism, and the modularized key structure is simple and compact in structure and convenient to assemble; both the common key switch and the fingerprint key can be applied.

Description

Key switch structure of electronic product

Technical Field

The utility model relates to a consumer electronics product field, more specifically relates to an electronic product's key switch structure.

Background

Common ordinary key switch and fingerprint key switch in the existing market all have very big difference from the outward appearance or from structural, thereby can't become ordinary key switch fingerprint key switch through simple replacement, to the manufacturing enterprise of this kind of product, for these two kinds of key switch of adaptation, must necessarily just produce the shell of two kinds of types, not only increased the cost of manufacture of shell mould, also be unfavorable for enterprise's stock very much.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, an embodiment of the present application provides a key switch structure of an electronic product, including a housing and a control circuit board, where the control circuit board is connected to the housing, the control circuit board is provided with a control switch, and a mounting hole is provided at a position on the housing corresponding to the control switch; the touch control mechanism is arranged on the mounting hole, connected with the control switch and used for driving the control switch to be turned on or off, and connected with the control circuit board.

As a further improvement of the application, the touch mechanism comprises a linkage part and a driving part, the lower surface of the linkage part is connected with the control switch, the upper surface of the linkage part is connected with the driving part, and the driving part is connected with the control circuit board.

As a further improvement of this application, be equipped with on the linkage with the holding tank of driving piece adaptation, the driving piece with the holding tank is connected, the lower surface of linkage with control switch connects.

As a further improvement of the application, a convex block is arranged at the position, corresponding to the control switch, of the lower surface of the linkage piece, and the convex block is connected with the control switch.

As a further improvement of this application, the driving piece is mechanical key cap, mechanical key cap with the holding tank is connected.

As a further improvement of the present application, the driving member is a fingerprint module, the fingerprint module includes a pressing portion and a connecting flat cable, and the pressing portion is connected with the accommodating groove; the accommodating groove is provided with a wire passing hole, one end of the connecting flat cable is connected with the pressing part, and the other end of the connecting flat cable penetrates through the wire passing hole and then is connected with the control circuit board.

As a further improvement of the application, the linkage piece comprises a key support, the key support is provided with an installation part and an elastic part, the accommodating groove is arranged on the upper surface of the installation part, and the bump is arranged on the lower surface of the installation part; one end of the elastic part is connected with the shell, and the other end of the elastic part is connected with the mounting part.

As a further improvement of this application, the key switch structure still includes light emitting mechanism, the installation department is light-transmitting structure, light emitting mechanism includes the light source, the light source with control circuit board links to each other, the light that the light source sent can see through the installation department outwards diverges.

As a further improvement of this application, light-emitting mechanism still includes the piece that shades, shade's shape with the installation department adaptation, shade respectively with control scheme board with the installation department is connected.

As a further improvement of this application, the light source includes two at least LED lamp pearls, LED lamp pearl distributes control switch's periphery, the light-shading member cover is established LED lamp pearl's periphery.

Compared with the prior art, the key switch structure provided by the application can be applied to both common keys and fingerprint keys; the key structure is modularized by arranging the touch mechanism, the modularized key structure is simple and compact in structure and convenient to assemble, and can be directly installed in an installation hole formed in the shell; wherein, touch mechanism can select for use ordinary button or fingerprint button according to actual need, and the electronic product of being convenient for switches between ordinary button and fingerprint button, and the electronic product only needs a shell just can the ordinary button of adaptation and fingerprint button simultaneously, practices thrift the cost, and the shell manufacturing enterprise stock of being convenient for is stocked.

Drawings

In order to illustrate the present application or prior art more clearly, a brief description of the drawings needed for the description of the embodiments or prior art will be given below, it being clear that the drawings in the following description are some embodiments of the present application and that other drawings can be derived from them by a person skilled in the art without inventive effort.

FIG. 1 is an exploded view of embodiment 1 of the present application;

FIG. 2 is a schematic view of the external structure of embodiment 1 of the present application;

FIG. 3 is a schematic view of the internal structure of embodiment 1 of the present application;

fig. 4 is a schematic structural diagram of a key holder in embodiment 1 of the present application;

fig. 5 is a schematic view of another perspective structure of the key holder in embodiment 1 of the present application;

fig. 6 is an exploded view of embodiment 2 of the present application.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.

Example 1

As shown in fig. 1-5, a key switch structure of an electronic product includes a housing 1, a control circuit board 2 is fixedly installed in the housing 1, and a control switch 3 is welded on the control circuit board 2; the control switch 3 may be a power switch or other switches, and the control switch 3 is used for controlling the electronic product to be turned on, turned off or other corresponding functions.

A mounting hole 11 is formed in the position, corresponding to the control switch 3, of the shell 1, a touch mechanism is arranged on the mounting hole 11, the touch mechanism is in contact with the control switch 3, and the touch mechanism is used for driving the control switch 3 to be turned on or turned off; when the electronic product is used, a user operates the touch mechanism, so that the control switch 3 is driven to be turned on or off through the touch mechanism.

Touch mechanism includes button support 4 and driving piece, and the lower surface of button support 4 contacts with control switch 3, and the upper surface of button support 4 is connected with the driving piece. During the use, the user passes through the drive piece through pressing, and the pressing force loops through the drive piece and spreads into key support 4 in proper order, and the rethread key support 4 is used on control switch 3 to drive control switch 3 and start or close.

The key support 4 is provided with a mounting part 41 and an elastic part, the front end surface of the mounting part 41 is provided with an annular boss 411, and the external dimension of the annular boss 411 is matched with the mounting hole 11; when assembling this key switch structure, with

installation department

41 and 1 butt of casing, spacing in mounting hole 11 with annular boss 411 simultaneously for the lateral wall butt of annular boss 411 and mounting hole 11, elasticity portion can provide the deformation allowance for touch mechanism drive control switch 3, and when pressing the completion back, elasticity portion can drive touch mechanism and reset fast.

The upper surface of the mounting part 41 is provided with a receiving groove 42, the receiving groove 42 is positioned at the inner side of the annular boss 411, and the driving part is mounted in the receiving groove 42; the receiving groove 42 is provided to facilitate fixing of the driving member. A cross-shaped lug 43 is arranged at the corresponding position of the lower surface of the mounting part 41 and the control switch 3, and when a user presses the driving part, the lug 43 can be abutted against the control switch 3; the projection 43 is provided on the lower surface of the mounting portion 41 to allow the pressing driving force of the user to be accurately transmitted to the control switch 3.

The elastic part is two elastic ribs 44 arranged on two sides of the mounting part 41, one end of each elastic rib 44 is fixedly connected with the mounting part 41, and the other end of each elastic rib 44 is fixedly connected with the shell 1. If the housing 1 is plastic, the elastic ribs 44 can be connected to the housing 1 by heat fusion; if the housing 1 is metallic, the elastic ribs 44 can be fixedly connected to the housing 1 by means of screws.

When the push button switch works, a user presses the driving piece, the driving piece transmits pressing force to the key support 4, and the key support 4 transmits the pressing force to the control switch 3 through the convex block 43 on the mounting part 41, so that the aim of pressing the control switch 3 is fulfilled. When the pressing force is transmitted to the key holder 4, the elastic ribs 44 are elastically deformed by the pressing force; when the pressing force disappears, the mounting portion 41 and the driving member can be quickly reset by the elastic force of the elastic rib 44.

In this embodiment, the two elastic ribs 44 are integrally formed with the mounting portion 41, but in other embodiments, the elastic portion may be formed as two separate parts from the mounting portion 41.

In this embodiment, the driving member is a fingerprint module 5, the fingerprint module 5 includes a pressing portion 51 and a connecting flat cable 52, a fingerprint identification device is arranged on the pressing portion 51, an adhesive layer is arranged on the back of the pressing portion 51, and the pressing portion 51 is fixedly mounted in the accommodating groove 42 through the adhesive layer; the accommodating groove 42 is provided with a wire passing hole 45, one end of the connecting flat cable 52 is fixedly connected with the pressing part 51, and the other end of the connecting flat cable 52 passes through the wire passing hole 45 and then is connected with the control circuit board 2.

The fingerprint module 5 can realize the functions of fingerprint identification and pressing start at the same time, and a user touches the pressing part 51, so that a fingerprint is acquired through the fingerprint identification device, and whether the fingerprint is correct or not is judged through the control circuit board 2; the user pressing the pressing portion 51 can conduct the driving force to the control switch 3, thereby driving the control switch 3 to be turned on or off.

In order to make the whole key switch structure more beautiful and remind the user of the position of the switch at night, the key switch structure is also provided with a light-emitting mechanism.

The light-emitting mechanism comprises a light source and a shading part 6, the light source is connected with the control circuit board 2, and the control circuit board 2 can supply power to the light source. The light source comprises two LED lamp beads 7, and the two LED lamp beads 7 are respectively welded on the control circuit board 2 and distributed on two sides of the periphery of the control switch 3; in other embodiments, the number of the LED beads 7 may be any other number.

The shape and size of the light-shielding piece 6 are matched with the lower end face of the mounting part 41 of the key support 4, the light-shielding piece 6 is in a ring shape, the light-shielding piece 6 is sleeved on the periphery of all the LED lamp beads 7, the lower end face of the light-shielding piece 6 is abutted against the control circuit board 2, and the upper end face of the light-shielding piece 6 is abutted against the mounting part 41; the light shielding member 6 is provided to ensure that light emitted from the LED lamp bead 7 can only irradiate the region where the mounting portion 41 is located, and to prevent light from irradiating other places. Shading piece 6 chooses for use the cotton manufacturing of black bubble to prevent that the light of LED lamp pearl 7 from passing through shading piece 6 and passing through, in other embodiments, shading piece 6 also can choose for use other materials to make. In other embodiments, the light shielding member 6 may also be in any other shape as long as the light shielding member 6 is ensured to cover all the LED beads 7, and the light shielding member 6, the mounting portion 41 and the control circuit board 2 may also be fixed by gluing.

The mounting part 41 and the annular boss 411 of the key support 4 are of light-transmitting structures and made of transparent or semitransparent materials, the driving part is of a light-tight structure, and light emitted by the LED lamp beads 7 can be diffused outwards from the mounting hole through the mounting part 41 and the annular boss 411; when the LED lamp bead 7 is turned on, the light is blocked by the light-shielding member 6, and the light can only irradiate the area where the mounting portion 41 is located, and part of the light passes through the annular boss 411 on the mounting portion 41 to irradiate outwards, so that an aperture is formed at the periphery of the driving member.

Example 2

As shown in fig. 6, in addition to the structure of embodiment 1, the driving member is replaced with a mechanical key cap 8, the lower surface of the mechanical key cap 8 is provided with an adhesive layer, and the mechanical key cap 8 is fixed in the accommodating groove 42 of the mounting portion 41 of the key holder 4 in a limited manner by the adhesive layer.

The present embodiment does not have a fingerprint recognition function, but still can realize a function of driving the control switch 3 to be turned on or off.

When the key press is in operation, a user presses the mechanical key cap 8, the mechanical key cap 8 transmits pressing force to the key support 4, and the key support 4 transmits the pressing force to the control switch 3 through the convex block 43 on the mounting part 41, so that the purpose of pressing the control switch 3 is achieved. When the pressing force is transmitted to the key holder 4, the elastic ribs 44 are elastically deformed by the pressing force; when the pressing force disappears, the mounting portion 41 and the driving member can be quickly reset by the elastic force of the elastic rib 44.

In the embodiment of the utility model, the key structure is modularized by arranging the touch mechanism, the modularized key structure has simple and compact structure and convenient assembly, and can be directly installed in the installation hole 11 formed on the shell 1; and touch mechanism can select ordinary button or fingerprint button for use according to actual need, and the electronic product of being convenient for switches between ordinary button and fingerprint button, and the electronic product only needs a shell just can adapt ordinary button and fingerprint button simultaneously, practices thrift the cost, and is convenient for shell manufacturing enterprise stock.

It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and the embodiments are provided so that this disclosure will be thorough and complete. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields and are within the protection scope of the present application.

Claims

1. A key switch structure of an electronic product is characterized by comprising a shell and a control circuit board, wherein the control circuit board is connected with the shell, the control circuit board is provided with a control switch, and a mounting hole is formed in the position, corresponding to the control switch, of the shell;

the touch mechanism is arranged on the mounting hole, connected with the control switch and used for driving the control switch to be turned on or off, and connected with the control circuit board.

2. The key switch structure of electronic product according to claim 1, wherein the touch mechanism comprises a linkage member and a driving member, a lower surface of the linkage member is connected to the control switch, an upper surface of the linkage member is connected to the driving member, and the driving member is connected to the control circuit board.

3. The key switch structure of claim 2, wherein the link member has a receiving groove adapted to the driving member, the driving member is connected to the receiving groove, and the lower surface of the link member is connected to the control switch.

4. The key switch structure of electronic product according to claim 3, wherein a protrusion is disposed on a lower surface of the linkage member at a position corresponding to the control switch, and the protrusion is connected to the control switch.

5. A key switch structure of an electronic product according to claim 3, wherein the driving member is a mechanical key cap, and the mechanical key cap is connected to the accommodating groove.

6. The key switch structure of electronic product according to claim 3, wherein the driving member is a fingerprint module, the fingerprint module comprises a pressing portion and a connecting flat cable, the pressing portion is connected to the receiving groove;

the accommodating groove is provided with a wire passing hole, one end of the connecting flat cable is connected with the pressing part, and the other end of the connecting flat cable penetrates through the wire passing hole and then is connected with the control circuit board.

7. The key switch structure of electronic product according to claim 4, wherein said linkage member comprises a key holder, said key holder having a mounting portion and an elastic portion, said receiving groove being disposed on an upper surface of said mounting portion, said protrusion being disposed on a lower surface of said mounting portion;

one end of the elastic part is connected with the shell, and the other end of the elastic part is connected with the mounting part.

8. The key switch structure of electronic product according to claim 7, wherein said key switch structure further comprises a light emitting mechanism, said mounting portion is a light-transmitting structure, said light emitting mechanism comprises a light source, said light source is connected to said control circuit board, and light emitted from said light source can be emitted outwards through said mounting portion.

9. The key switch structure of electronic product according to claim 8, wherein said light emitting mechanism further comprises a light shielding member, the shape of said light shielding member is adapted to said mounting portion, and said light shielding member is connected to said control circuit board and said mounting portion, respectively.

10. The key switch structure of electronic product of claim 9, wherein said light source comprises at least two LED beads, said LED beads are distributed on the periphery of said control switch, and said light shielding member is sleeved on the periphery of said LED beads.