CN207458807U

CN207458807U - Press-key structure and electronic equipment

Info

Publication number: CN207458807U
Application number: CN201721637624.XU
Authority: CN
Inventors: 刘建伟
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2017-11-29
Filing date: 2017-11-29
Publication date: 2018-06-05
Anticipated expiration: 2027-11-29

Abstract

The disclosure is directed to a kind of press-key structure and electronic equipments, belong to electronic technology field.The press-key structure includes housing, keycap, electronic switch and limiting plate, wherein：Electronic switch is provided with opening on the inside of housing, housing with the corresponding position of electronic switch；The length and width of keycap is respectively smaller than the length and width of opening, and the bottom of keycap is provided with button contact, and keycap is installed in the opening, and the top surface of keycap is protruded from outside opening, and button contact is corresponding with the position of electronic switch；The length of limiting plate is more than the length of opening, the both ends of limiting plate are respectively arranged with pin, notch is formed between two pins, the position of notch is corresponding with the position of button contact, the corresponding position of pin is provided with card slot on the side wall of keycap, the pin of limiting plate is inserted in the card slot of keycap, and button contact is located in notch.Using the disclosure, the efficiency of assembling of electronic equipment can be improved.

Description

Press-key structure and electronic equipment

Technical field

The disclosure is directed to electronic technology field, especially with respect to a kind of press-key structure and electronic equipment.

Background technology

Electronic equipment in electronic technology field includes press-key structure more, and press-key structure is mounted on the housing of electronic equipment In.

Press-key structure generally includes electronic switch and keycap, wherein, electronic switch is mounted on the interior of the housing of electronic equipment Portion, for performing switching function, with being provided with opening at the corresponding position of electronic switch on housing, keycap is mounted on opening In, for pressing electronic switch.As shown in Figure 1, the bottom of keycap 10 extends to form two banking stops 101, key to both sides respectively Cap 10 is mounted on out of housing 20 in opening 201, and two banking stops 101 are stuck on the inner wall of housing 20, so that keycap 10 are mounted in opening 201.

During the disclosure is realized, inventor has found to have at least the following problems：

Technical staff is when installing press-key structure, it is necessary to prevent it from entering in housing while pinning keycap on the inside of shell Portion influences the assembling of other components, while installing other components, is so not easy to the assembling of electronic equipment, greatly reduces electronics The efficiency of assembling of equipment.

Utility model content

In order to overcome the problems, such as present in correlation technique, present disclose provides a kind of press-key structure and electronic equipments.It is described Technical solution is as follows：

According to the embodiment of the present disclosure, a kind of press-key structure is provided, the press-key structure includes housing, keycap, electronic switch And limiting plate, wherein：

The electronic switch is mounted on the inside of the housing, on the housing with the corresponding position of the electronic switch It is provided with opening；

The length and width of the keycap is respectively smaller than the length and width of the opening, and the bottom of the keycap is provided with Button contact, in said opening, the top surface of the keycap is protruded from outside the opening, the button contact for the keycap installation It is corresponding with the position of the electronic switch；

The length of the limiting plate is more than the length of the opening, and the both ends of the limiting plate are respectively arranged with pin, and two Notch is formed between a pin, the position of the notch is corresponding with the position of the button contact, on the side wall of the keycap The corresponding position of the pin is provided with card slot, the pin of the limiting plate is inserted in the card slot of the keycap, described Button contact is located in the notch.

Optionally, the width of the card slot is equal to the thickness of the pin of the limiting plate.

Optionally, it is provided with catch in the notch, the pin is back to the surface of the keycap and the side of the card slot Wall fits, and the catch fits in face of the surface of the keycap and the lower surface of the keycap.

Optionally, the catch is provided with spherical surface hill on the surface of the keycap, is set on the bottom surface of the keycap It is equipped with and is installed on the matched groove of the spherical surface hill, the spherical surface hill in the groove.

Optionally, at least one through hole for being used to install or remove the limiting plate is also set up on the catch.

Optionally, the top of the button contact is provided with rubber cushion.

Optionally, it is provided with foam between the lower surface of the keycap and the housing.

Optionally, the quantity of the electronic switch is two, and the quantity of the button contact is two, two buttons Contact is symmetrical on the straight line of the length direction perpendicular to the keycap.

According to the embodiment of the present disclosure, a kind of electronic equipment is additionally provided, the electronic equipment includes preceding claim institute The press-key structure stated, the housing of the press-key structure are the housings of the electronic equipment.

The technical scheme provided by this disclosed embodiment can include the following benefits：

In the embodiment of the present disclosure, above-mentioned press-key structure includes housing, electronic switch, keycap and limiting plate, electronic switch peace Mounted in the inside of housing, with being provided with to install the opening of keycap at the corresponding position of electronic switch on housing, wherein, The length and width of keycap is respectively smaller than the length and width of opening so that keycap can be mounted on opening from the outside of housing In, pin is provided on limiting plate, be provided on keycap with the corresponding card slot of pin, when limiting plate installation inside housings When, the pin on limiting plate is inserted in the card slot of keycap, so as to prevent keycap from coming off from the opening of housing.It is assembling During the press-key structure, installation personnel can install electronic switch first, then be installed in the opening from the outside of housing by keycap, It is finally inserted into from side by the pin of limiting plate in the card slot of keycap, so as to which limiting plate to be mounted on to the lower part of keycap, with limit Keycap processed comes off from opening.In this way, during press-key structure is assembled, installation personnel is pinned without one side from case inside Keycap prevents its assembling into the other components of internal influence of housing, while other components are installed, it is thus possible to improve electronics The efficiency of assembling of equipment.

It should be appreciated that above general description and following detailed description are only exemplary and explanatory, not The disclosure can be limited.

Description of the drawings

Attached drawing herein is merged in specification and forms the part of this specification, shows the implementation for meeting the disclosure Example, and for explaining the principle of the disclosure together with specification.In the accompanying drawings：

Fig. 1 is the structure diagram according to a kind of press-key structure shown in background technology；

Fig. 2 is the structure diagram according to a kind of press-key structure for implementing to exemplify；

Fig. 3 is the structure diagram according to a kind of limiting plate for implementing to exemplify；

Fig. 4 is the structure diagram according to a kind of keycap for implementing to exemplify；

Fig. 5 is the structure diagram according to a kind of press-key structure for implementing to exemplify；

Fig. 6 is the structure diagram according to a kind of limiting plate for implementing to exemplify；

Fig. 7 is the structure diagram according to a kind of press-key structure for implementing to exemplify；

Fig. 8 is the structure diagram according to a kind of limiting plate for implementing to exemplify；

Fig. 9 is the structure diagram according to a kind of press-key structure for implementing to exemplify.

Marginal data

1st, housing 2, keycap

3rd, electronic switch 4, limiting plate

5th, foam 10, keycap

20th, housing 11, opening

21st, button contact 22, card slot

23rd, groove 41, pin

42nd, notch 43, catch

44th, spherical surface hill 45, through hole

101st, banking stop 201, opening

Pass through above-mentioned attached drawing, it has been shown that the specific embodiment of the disclosure will be hereinafter described in more detail.These attached drawings The scope for limiting the disclosure by any mode and conceiving is not intended to word description, but is by reference to specific embodiment Those skilled in the art illustrate the concept of the disclosure.

Specific embodiment

Here exemplary embodiment will be illustrated in detail, example is illustrated in the accompanying drawings.Following description is related to During attached drawing, unless otherwise indicated, the same numbers in different attached drawings represent the same or similar element.Following exemplary embodiment Described in embodiment do not represent all embodiments consistent with the disclosure.On the contrary, they be only with it is such as appended The example of the consistent apparatus and method of some aspects be described in detail in claims, the disclosure.

Present embodiment discloses a kind of press-key structure, which can apply in the electronic device, the electronic equipment Can be various mobile terminals such as mobile phone, tablet computer etc..The press-key structure can be power button, volume button etc..

As shown in Figure 1, press-key structure of the prior art generally includes keycap 10 and electronic switch, wherein, electronic switch Mounted on the inside of the housing 20 of electronic equipment, for performing switching function, on housing 20 with the corresponding position of electronic switch Place is provided with opening 201, and keycap 10 is installed in the opening, for pressing electronic switch.As shown in Figure 1, the bottom of keycap 10 to Both sides extend to form two banking stops 101, during which is mounted on out of housing 20 in opening 201, two /Vs Piece 101 is stuck on the inner wall of opening 201, so that keycap 10 is mounted in opening 201.But the keycap 10 of this structure, , it is necessary to prevent it from entering the inside shadow of housing while pinning keycap from case inside during technical staff installs press-key structure The assembling of other components is rung, while installing other components, the assembling of electronic equipment is so not easy to, greatly reduces electronic equipment Efficiency of assembling.

To solve the above-mentioned problems, present disclose provides a kind of press-key structure, as shown in Fig. 2, the press-key structure includes shell Body 1, keycap 2, electronic switch 3 and limiting plate 4, wherein：Electronic switch 3 is mounted on the inside of housing 1, on housing 1 with electronic cutting It closes 3 corresponding positions and is provided with opening 11；The length and width of keycap 2 is respectively smaller than the length and width of opening 11, keycap 2 Bottom be provided with button contact 21, keycap 21 is mounted in opening 11, and the top surface of keycap 2 is protruded from outside opening 11, and button touches First 21 is corresponding with the position of electronic switch 3；The length of limiting plate 4 is more than the length of opening, and the both ends of limiting plate 4 are set respectively There is pin 41, form notch 42 between two pins 41, the position of notch 42 is corresponding with the position of button contact 21, keycap 2 Side wall on 41 corresponding position of pin is provided with card slot 22, the pin 41 of limiting plate 4 is inserted in the card slot 22 of keycap 2 In, button contact 21 is located in notch 42.

Wherein, press-key structure that is to say that installation is used to perform on an electronic device the structure of the functions such as switch, adjusting, such as The power key and volume key of mobile phone side are all a kind of press-key structures, on the housing of mobile phone, the figure in the present embodiment Example is illustrated with volume key.

In force, the component that press-key structure can be independent as one, installation in the electronic device, can also be with electronics Other components of equipment are used cooperatively.In most cases, other components of press-key structure and electronic equipment, which carry out cooperation, makes With in this case, housing 1 that is to say the housing of electronic equipment.The inside of housing 1 is equipped with electronic switch 3, electronic switch 3 It is a kind of component with switching function being made of metal clips and wiring board.It is corresponding with electronic switch 3 on housing 1 Position at be provided with opening 11, for pressing and protecting the keycap 2 of electronic switch 3 to be mounted in opening 11, and keycap 2 is remote Top surface from electronic switch 3 is protruded from opening 11, primarily to user is facilitated to press.

The cross sectional shape of keycap 2 can be it is square can also be rectangle, for the volume key of terminal, the section of keycap 2 Shape can be rectangle, and the length and width of keycap 2 is respectively smaller than the length and width of opening 11, in this way, keycap 2 can be from The outside of housing 1 is mounted in opening 11.After keycap 2 is mounted on from the outside of housing 1 in opening 11, keycap 2 can also be from holding It comes off in mouth 11, in order to solve this problem, which further includes limiting plate 4, as shown in figure 3, the shape and key of limiting plate 4 The bottom shape of cap 2 is adapted, and is rectangular platy structure, is set respectively along the both ends on the length direction of limiting plate 4 There are one pins 41.As shown in figure 4, the bottom of keycap 2 alongst on both ends side wall on be provided with and 41 phase of pin Corresponding card slot 22, in this way, after keycap 2 is mounted in opening 11, as shown in figure 5, being inserted into limiting plate in the side of keycap 2 4, the pin 41 of limiting plate 4 is made to be inserted in the card slot 22 of keycap 2, so as to which limiting plate to be mounted on to the lower part of keycap, in this way, by In the cooperation of pin 41 and card slot 22, limiting plate 4 can not only limit keycap 2 and come off from opening 11, can also limit /V Plate 4 is relatively moved with keycap 2 on alongst.

In the application, if the press-key structure is power key etc., the quantity of electronic switch 3 is one, correspondingly, button The quantity of contact 21 is corresponding with the quantity of electronic switch 3 and one, and in this case, the position of electronic switch 3 can be with The center of the opening 11 of housing 1 is corresponding, then button contact 21 can be arranged on the medium position of keycap 2.If button Structure is volume key, then the quantity of electronic switch 3 is two, is respectively used to increase volume and reduces volume, correspondingly, such as Fig. 2, Shown in Fig. 4 and Fig. 5, the bottom of keycap 2 is provided with to press the button contact 21 of electronic switch 3, in corresponding increase volume One button contact 21 is set at the position of electronic switch, and setting one at the position of the corresponding electronic switch for reducing volume presses Key contact 21, two button contacts 21 can on the length direction perpendicular to keycap 2 straight line it is symmetrical.

Wherein, the material of button contact 21 has certain elasticity, so that keycap 2 can reset after pressing, such as button The material of contact 21 can be the flexible material such as rubber, silica gel, can also set rubber cushion on the top of button contact 21. When being so inserted into limiting plate 4 in the top of keycap 2, in order to avoid button contact 21, correspondingly, as shown in figure 3, in limiting plate 4 Two pins 41 between form notch 42, in this way, limiting plate 4 is during insertion, notch 42 downward, insertion housing 1 It is internal.

Based on described above, technical staff is in the press-key structure is assembled, after can electronic switch 3 be installed, so Keycap 2 is installed from the outside of housing 1 again afterwards, is finally inserted into from side by the pin 41 of limiting plate 4 in the card slot 22 of keycap 2, So as to which limiting plate 4 to be mounted on to the lower part of keycap 2, come off with limiting keycap 2 from opening 11.In this way, installation personnel is without one While pinning keycap 2 from 1 inside of housing prevents its assembling into the other components of internal influence of housing 1, while installing other portions Part, it is thus possible to improve the efficiency of assembling of electronic equipment.

Optionally, in order to make the cooperation between limiting plate 4 and keycap 2 closer, to prevent limiting plate 4 in housing 1 Inside shaking, correspondingly, the width of the card slot 22 of keycap 2 is equal with the thickness of the pin 41 of limiting plate 4, in this way, limiting plate 4 Pin 41 fits back to the surface of keycap 2 and the side wall of card slot 22.

In force, the width of the card slot 22 on keycap 2 is equal to the thickness of pin 41, alternatively, the thickness of pin 41 also may be used Less times greater than the width of card slot 22, in this way, the pin 41 of limiting plate 4 and the card slot 22 of keycap 2 are interference fitted, to make limiting plate 4 Assembling between keycap 2 is compacter, and such limiting plate 4 is also not easy the inside shaking in housing 1.

It optionally, not only can be real by above-mentioned setting to realize that the cooperation between limiting plate 4 and keycap 2 is closer It is existing, it can also be realized by following set, correspondingly, as shown in fig. 6, catch 43 is provided in notch 42, as shown in fig. 7, inserting Foot 41 fits back to the surface of keycap 2 and the side wall of card slot 22, and catch 43 is in face of the surface of keycap 2 and the bottom table of keycap 2 Face fits.

In force, can catch 43 be set in the medium position of notch 42, catch 43 can with the one of limiting plate 4 into Type, catch 43 can also be fixed on the medium position of notch 42 by way of gluing, and the present embodiment is not especially limited this. In this way, as shown in fig. 7, when top surface movement of the limiting plate 4 towards keycap 2, there are catch 43 and the lower surface of keycap 2 to fit Limitation, when limiting plate 4 towards electronic switch 3 direction movement when, have pin 41 and 22 matched limitation of card slot, therefore, It can realize the tight fit between limiting plate 4 and keycap 2.

Optionally, in order to further prevent limiting plate 4 from being relatively moved with keycap 2, correspondingly, as shown in figure 8, and joining See Fig. 2, Fig. 4 and Fig. 5, catch 43 is provided with spherical surface hill 44 in face of the one side of keycap, is provided on the bottom surface of keycap 2 and spherical surface Raised 44 matched grooves 23, spherical surface hill 44 are installed in groove 23.

As shown in figure 8, spherical surface hill 44 is provided on surface of the catch 43 in face of keycap, correspondingly, such as the institutes of Fig. 2 and 4 Show, be provided on the surface of the bottom of keycap 2 with 44 matched groove 23 of spherical surface hill, wherein, the shape of groove 23 with The shape of spherical surface hill 44 is engaged, and is spherical groove, and the diameter of spherical surface hill 44 can be equal to or slightly less than groove 23 Diameter, in this way, 44 interference of spherical surface hill be mounted on groove 23 in so that the installation between limiting plate 4 and keycap 2 is more firm Gu.By the cooperation of spherical surface hill 44 and groove 23, can be relatively moved to avoid between limiting plate 4 and keycap 2.

Optionally, it can also be two that the quantity of above-mentioned spherical surface hill 44, which can be one, and the present embodiment does not limit this It is fixed.If the quantity of spherical surface hill 44 is one, the quantity of groove 23 is also for one, correspondingly, spherical surface hill 44 can be with Be arranged on the medium position of catch 43, groove 23 be arranged on keycap 2 at 44 corresponding position of spherical surface hill.If spherical surface The quantity of protrusion 44 is two, then the quantity of groove 23 is also two, correspondingly, as shown in figure 8, two spherical surface hills 44 can be with It is located at the both ends of catch 43 respectively.

Optionally, in order to facilitate the installation and dismounting of limiting plate 4, correspondingly, as shown in figure 8, set on catch 43 to Few one can be two through holes 45 for example, as shown in Figure 2 and Figure 5 for installing and dismantling the through hole 45 of limiting plate 4, through hole 45 for mounting and dismounting limiting plate 4, and through hole 45 facilitates installation personnel to dismantle limiting plate 4 similar to button hand position.

Optionally, in order to improve the effect of the reset of keycap 2, corresponding structure can be, as shown in figure 9, in keycap 2 Foam 5 is provided between lower surface and housing 1.

Wherein, foam 5 has elasticity, after the installation of foam 5, between keycap 2 and housing 1, in compressive state so that Tight fit between housing 1 and keycap 2.In the application, when user presses keycap 2, there is foam 5 elasticity will not prevent key Cap 2 is moved towards the direction of electronic switch 3, and after user unclamps pressing keycap 2, foam 5 is sprung back, and promotes 2 direction of keycap The direction movement of opening 11, resets keycap 2.

The disclosure also shows a kind of electronic equipment, which includes housing and press-key structure described above, should Press-key structure is mounted on the housing of electronic equipment.Wherein, the component that above-mentioned press-key structure can be independent as one, is mounted on In the electronic equipment, it can also be used cooperatively with other components of electronic equipment.In most cases, press-key structure and electronics The housing of equipment is used cooperatively, and in this case, the housing of electronic equipment that is to say the housing of press-key structure.

Those skilled in the art will readily occur to the disclosure its after considering specification and putting into practice disclosure disclosed herein Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or Person's adaptive change follows the general principle of the disclosure and including the undocumented common knowledge in the art of the disclosure Or conventional techniques.Description and embodiments are considered only as illustratively, and the true scope and spirit of the disclosure are by above Claim is pointed out.

It should be appreciated that the present disclosure is not limited to the precise structures that have been described above and shown in the drawings, and And various modifications and changes may be made without departing from the scope thereof.The scope of the present disclosure is only limited by appended claim.

Claims

1. a kind of press-key structure, which is characterized in that the press-key structure includes housing, keycap, electronic switch and limiting plate, In：

The electronic switch is mounted on the inside of the housing, and position corresponding with the electronic switch is set on the housing There is opening；

The length and width of the keycap is respectively smaller than the length and width of the opening, and the bottom of the keycap is provided with button Contact, in said opening, the top surface of the keycap is protruded from outside the opening, the button contact and institute for the keycap installation The position for stating electronic switch is corresponding；

The length of the limiting plate is more than the length of the opening, and the both ends of the limiting plate are respectively arranged with pin, and two are inserted Notch is formed between foot, the position of the notch is corresponding with the position of the button contact, on the side wall of the keycap with institute It states the corresponding position of pin and is provided with card slot, the pin of the limiting plate is inserted in the card slot of the keycap, the button Contact is located in the notch.

2. press-key structure according to claim 1, which is characterized in that the width of the card slot is equal to inserting for the limiting plate The thickness of foot.

3. press-key structure according to claim 1, which is characterized in that catch, the pin back of the body are provided in the notch It fits to the surface and the side wall of the card slot of the keycap, the catch is in face of the surface of the keycap and the keycap Lower surface fits.

4. press-key structure according to claim 3, which is characterized in that the catch is set on the surface of the keycap There is spherical surface hill, be provided on the bottom surface of the keycap and the matched groove of the spherical surface hill, the spherical surface hill installation In the groove.

5. press-key structure according to claim 3, which is characterized in that also set up on the catch at least one for installing Or the through hole of the dismounting limiting plate.

6. press-key structure according to claim 1, which is characterized in that the top of the button contact is provided with rubber cushion.

7. according to claim 1-6 any one of them press-key structures, which is characterized in that the lower surface of the keycap with it is described Foam is provided between housing.

8. according to claim 1-6 any one of them press-key structures, which is characterized in that the quantity of the electronic switch is two A, the quantity of the button contact is two, and two button contacts are on the length direction perpendicular to the keycap Straight line it is symmetrical.

9. a kind of electronic equipment, which is characterized in that the electronic equipment includes claim 1-8 any one of them by bond Structure, the housing of the press-key structure are the housings of the electronic equipment.