CN105393325A

CN105393325A - Key and electronic device with key

Info

Publication number: CN105393325A
Application number: CN201480023988.1A
Authority: CN
Inventors: 丁智成
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2014-05-23
Filing date: 2014-05-23
Publication date: 2016-03-09
Anticipated expiration: 2034-05-23
Also published as: WO2015176309A1; CN105393325B

Abstract

Provided is a key. The key is arranged in a key slot of a housing of an electronic device. The key comprises a key body, a press column extending from one side of the key body, a fastener, a key limiting board, a sealing press body and a film, wherein the fastener is arranged on the press column, the film, the key limiting board and the key body are housed in the key slot in sequence, and the press column penetrates through the key limiting board and the film. The sealing press body is arranged at the end of the press column away from the fastener, the key limiting board is fixed in the key slot through the film, the key body is moved relative to the housing in the key slot through the press column, and the fastener and the key limiting board are clamped to limit the key body on the housing. Also provided is an electronic device with the housing.

Description

Key and electronic device with key

^^ is with having ^ ^ electronic installations

Technical field

The present invention relates to a kind of button and the electronic installation with button.Background technology

As the development and user of science and technology are to the quality and appearance requirement more and more higher of electronic product, handset shell and the package assembly of button at present on the market mainly includes two kinds, it is a kind of be mobile phone rear shell edge card be provided with open slot, clamping periphery, which is provided with, positioned at the periphery of the open slot of rear shell outer surface carrys out spacing button, button loads in open slot from housing side, then handset front case jointly seals button with rear shell, this assembling mode is strict to sealing structure requirement, and complicated, the overall thickness of increase housing；Also one kind is that button is integrally formed using flexible glue material with housing, and this structure can realize the sealing effectiveness between button and housing, but increase manufacture craft and cost.The content of the invention

The embodiment of the present invention provides that a kind of cost is relatively low and the simple button of technique and the electronic installation with button.

First aspect, a kind of button is provided, the button is installed in the key slot of case of electronic device, the button includes key body, compression leg is pressed by what the key body side extended, buckle, button limiting plate, seal pressing body and film, the buckle is located at described by compression leg, the film, button limiting plate and key body are contained in the key slot successively, and it is described to pass through the button limiting plate and film by compression leg, the sealing pressing body presses end of the compression leg away from the buckle located at described, the button limiting plate is fixed in the key slot by the film, the key body presses compression leg in the key slot relative to housing movement by described, the buckle and the button limiting plate clamping, to limit the key body on housing.

In the first possible implementation of first aspect, the sealing pressing body includes sealed colloid and metallic supports, and the metallic supports are embedded and are coated in the sealed colloid.

With reference to the first possible implementation of first aspect, in second of possible implementation, the sealed colloid outer peripheral edge is provided with sealing fin, the groove bottom wall of the key slot is provided with through hole, and groove bottom wall described in the through hole through part, it is described sealing pressing body be contained in the through hole, it is described sealing fin with The inwall of the through hole is supported.

With reference to first aspect, or the possible implementation of any one of the first to second of first aspect, in the third possible implementation, the button limiting plate is the plate body that metal material, rubber or plastics are made, and institute's button limiting plate is fixed on by the film in the groove bottom wall of the key slot.

With reference to first aspect, or the possible implementation of any one of the first to three kind of first aspect, in the 4th kind of possible implementation, the button limiting plate is additionally provided with clamping through hole, described to pass through the clamping through hole and relative to button limiting plate movement by compression leg, it is described by compression leg moving displacement to limit that the buckle is fastened in the clamping through hole periphery.

With reference in a first aspect, or first aspect first to fourth kind any one possible implementation, in the 5th kind of possible implementation, the key body is made up of metal, plastic cement or elastomeric material.

With reference in a first aspect, or any one possible implementation in first to the 5th kind of first aspect, in the 6th kind of mode in the cards, the film is solid gum.

Second aspect is there is provided a kind of electronic installation, and it includes the button of above-mentioned various possible implementations, housing and circuit board, and the button is installed in the key slot of the housing, and the button is connected with circuit board with by by key control electronic installation.

In summary, the button of the present invention by the buckle on by compression leg and be fixed on the button limiting plate clamping of the key slot button be limited on housing, and by realizing the functional movement of button by movement of the compression leg relative to housing on button limiting plate, and logical sealing pressing body realizes sealing, cross additionally need not set keystroke fixing structure on housing, thickness simple in construction and that required housing can be reduced, and key slot need not be located at shell rim, the assembling gap of button and housing is reduced, and then reduces the requirement of sealing structure.Brief description of the drawings

Technical scheme in order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram of button in the embodiment of the present invention.

Fig. 2 is the structural decomposition diagram of the button shown in Fig. 1.

Fig. 3 is the key assembling schematic diagram shown in Fig. 2. Fig. 4 is button shown in Fig. 1 along IV-IV directions sectional view.Embodiment

Below in conjunction with the accompanying drawing in embodiment of the present invention, the technical scheme in embodiment of the present invention is clearly and completely described.

Fig. 1, Fig. 2 and Fig. 4 are referred to, good embodiment of the invention provides a kind of button 100, and it is installed in the key slot 11 of case of electronic device 10.The button 20 includes key body 21, presses compression leg 22, buckle 23, button limiting plate 24, film 25 and sealing pressing body 26 by what the 21-side of key body extended.The buckle 23 is located at described by compression leg 22.The film 25, button limiting plate 24 and key body 21 are successively loaded in the key slot 11, and the compression leg 22 of pressing passes through the button limiting plate 24 and film 25, the sealing pressing body 26 is located at described by end of the compression leg 22 away from the buckle 23.The button limiting plate 24 is fixed in the key slot 11 by film 25, the key body 21 is moved by compression leg 22 by described in the key slot 11 relative to housing 10, the buckle 23 and the clamping of button limiting plate 24, to limit the key body 21 on housing 10.

In the present embodiment, the key slot 11 is on the side wall 13 of the housing 10, and the key body 21 loads in the key slot 11 from the outside of side wall 13.The key body 21 is bar shaped block.Described is Round cylinders by compression leg 22, and it is integrally formed located at the side of key body 21 and with the key body 21.The key body 21 is made up of metal, plastic cement or elastomeric material.In the present embodiment.The film 25 is solid gum.It is appreciated that the film 25 can also be the sticking rubber of tool, for fixing button limiting plate 24 and realizing the sealing of button 20 and key slot 11.

Button 20 is limited on housing 10 by the button 20 of the button 100 of the present invention by the buckle on by compression leg 22 with being fixed on the clamping of button limiting plate 24 of the key slot 11, and by realizing the functional movement of button 20 by movement of the compression leg 22 relative to housing 10 on button limiting plate 24, additionally keystroke fixing structure need not be set on housing, thickness simple in construction and that required housing can be reduced, and key slot need not be located at shell rim, the assembling gap of button and housing is reduced, and then reduces the requirement of sealing structure.

Fig. 3 and Fig. 4 are referred to, further, the sealing pressing body 26 includes sealed colloid 261 and the metallic supports 262 being embedded in sealed colloid 261.Sealed colloid 261 is made up of elastomeric material.The metallic supports 262 are coated in the sealed colloid 261 by insert-molding.Specifically, the Wei Round cylinders of pressing body 26, its one end is provided with mounting groove 263.It is described to be inserted and fixed by the end of compression leg 22 In in mounting groove 263.The sealing pressing body 26 can also be the rubber lamellar body described in taking shape in by end of the compression leg 22 away from the buckle 23.

Further, the outer peripheral edge of sealed colloid 261 is provided with sealing fin 264.The groove bottom wall 111 of the key slot 11 is provided with through hole 112, and groove bottom wall 111 described in the through part of the through hole 112.The sealing pressing body 26 is contained in the through hole 112, and the sealing fin 264 is supported with the inwall of the through hole 112.Specifically, the sealing pressing body 26 is installed in described by the one end of compression leg 22 away from key body 21, the sealing pressing body 26 is contained in the through hole 112 of the key slot 11, and then seal the key slot 11, prevent the impurity such as extraneous dust from entering from button 20 and key slot 11 in housing.And the sealing fin 264 and periphery 4Shi of through hole 112 is held, and realizes better seal effect.The sealing pressing body 26 can also play a part of resilience during key body 21 is pushed.

Further, the button limiting plate 24 is the plate body that metal material, rubber or plastics are made, and institute's button limiting plate 24 is fixed in the groove bottom wall 111 by the colloid 25.

Further, the button limiting plate 24 is additionally provided with clamping through hole 241, it is described by compression leg 22 through the clamping through hole 241 and can opposing keys limiting plate 24 move, buckle 23 be fastened in the periphery of clamping through hole 241 with described in limiting by the moving displacement of compression leg 22.

The present invention also provides a kind of electronic installation, including above-mentioned button 100 and circuit board, and the button 29 is oppositely arranged to control electronic installation by button 20 with circuit board.

Described above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; some improvements and modifications can also be made, these improvements and modifications are also considered as protection scope of the present invention.

Claims

Claim

A kind of 1 button, the button is installed in the key slot of case of electronic device, it is characterised in that：The button includes key body, compression leg is pressed by what the key body side extended, buckle, button limiting plate, seal pressing body and film, the buckle is located at described by compression leg, the film, button limiting plate and key body are contained in the key slot successively, and it is described to pass through the button limiting plate and film by compression leg, the sealing pressing body presses end of the compression leg away from the buckle located at described, the button limiting plate is fixed in the key slot by the film, the key body presses compression leg in the key slot relative to housing movement by described, the buckle and the button limiting plate clamping, to limit the key body on housing.

2. button as claimed in claim 1, it is characterised in that：The sealing pressing body includes sealed colloid and metallic supports, and the metallic supports are embedded and are coated in the sealed colloid.

3. button as claimed in claim 2, it is characterized in that, the sealed colloid outer peripheral edge is provided with sealing fin, the groove bottom wall of the key slot is provided with through hole, and groove bottom wall described in the through hole through part, the sealing pressing body is contained in the through hole, and the third constellations of inwall 4 of the sealing fin and the through hole is held.

4 button as described in claim any one of 1-3, it is characterised in that the button limiting plate is the plate body that metal material, rubber or plastics are made, institute's button limiting plate is fixed on by the film in the groove bottom wall of the key slot.

5. the button as described in claim any one of 1-4, it is characterized in that, the button limiting plate is additionally provided with clamping through hole, described to pass through the clamping through hole and relative to button limiting plate movement by compression leg, it is described by compression leg moving displacement to limit that the buckle is fastened in the clamping through hole periphery.

6. the button as described in claim any one of 1-5, it is characterised in that the key body is made up of metal, plastic cement or elastomeric material.

7. the button as described in claim any one of 1-6, it is characterised in that the film is solid gum.

8. a kind of electronic installation, including button, housing and circuit board as described in claim any one of 1-7, the button are installed in the key slot of the housing, the button is connected with circuit board with by by key control electronic installation.