CN206991990U

CN206991990U - Push-button unit and the keyboard using the push-button unit

Info

Publication number: CN206991990U
Application number: CN201720673597.5U
Authority: CN
Inventors: 张文嵛; 陈涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-06-09
Filing date: 2017-06-09
Publication date: 2018-02-09
Anticipated expiration: 2027-06-09

Abstract

It the utility model is related to a kind of push-button unit and the keyboard using the push-button unit.The push-button unit includes shell, pressing body and the elastic construction of tool receiving space, the shell includes side wall, roof and projection, the roof is run through in described pressing body one end, the side wall coordinates the roof to surround the receiving space collecting pressing body other end and the elastic construction, described elastic construction one end abuts the pressing body, the projection is located at the roof outer surface, and the pressing body drives the relatively described housing vertical direction of the elastic construction to move back and forth.Push-button unit of the present utility model improves production reliability, and the comfort of vertical direction, avoids because of discomfort caused by firmly uneven.

Description

Push-button unit and the keyboard using the push-button unit

【Technical field】

It the utility model is related to the push-button unit and keyboard of a kind of keyboard.

【Background technology】

Keyboard is the device to the hardware input signal such as computer by Cao Zuoanjian, and nowadays keyboard is widely used.This reality Include the device of all input signals such as portable computer keyboard, general keyboard with " keyboard " in new specification.

The push-button unit of existing keyboard generally includes the cooperate shell set and movable pressing body, as shown in Figure 1. The push-button unit 100 includes pressing body 101, shell 103, abutment end 105 and thin film switch layer 107.

The pressing body 101 is partially housed in the shell 103, is partly extended to through the surface of shell 103 described The outside of shell 103.The pressing body 101 is fixed in described one end of abutment end 105, between the other end and the thin film switch layer 107 Gap abuts setting.The roof of the shell 103 supports the pressing body 101, ensures the pressing body 101 in vertical direction Motion.

But above-mentioned technical proposal still has following technological deficiency：Because the pressing body 101 is vertically upper and lower When mobile, only the pressing body 101 is supported vertically to move up and down by the roof, as firmly uneven, Huo Zhesuo When stating pressing body 101 and receiving the external force effect in non-vertical direction, the support of the roof is forced the way across very limited, brings the pressing The bite defect of body 101, What is more so that the abutment end 105 and the thin film switch layer loose contact, causes input to be grasped by mistake Make.

【Utility model content】

Technical problem to be solved in the utility model is to provide that a kind of reliability is high, simple in construction, cost is low, long lifespan Push-button unit and using it is described pressing unit keyboard.

The scheme that the utility model solves above-mentioned technical problem is as follows：A kind of push-button unit, including tool receiving space are outer Shell, pressing body and elastic construction, the shell include side wall, roof and projection, and the roof, institute are run through in described pressing body one end State side wall coordinate the roof to surround receiving space houses the pressing body and the elastic construction, described elastic construction one end are supported The pressing body is connect, the projection is located at the roof outer surface, and the pressing body drives the elastic construction relatively described Housing vertical direction moves back and forth.

Further, the projection extends to be formed from the top wall surface.

Further, the raised quantity is multiple, and surrounds hollow structure.

Further, the described raised and shell is in integrative-structure.

Further, the pressing body includes connect successively the first noumenon, the second body and the extension of setting, and described the One body and the second body are correspondingly contained in the receiving space of the shell, side outline and the projection of the extension The inner side facial contour of the hollow structure surrounded is consistent, the two vertically relative slip.

Further, the shell includes the upper lid and lower cover set that cooperate, and the first noumenon is correspondingly contained in The lower cover, second body are correspondingly contained in the upper lid.

Further, the extension and second body are in integrative-structure.

Further, the elastic construction includes abutment end and metal spring, and the metal spring is sheathed on the abutting End outside, while be correspondingly located between the pressing body and the shell.

Further, the push-button unit also includes thin film switch layer, and it is remote that the thin film switch layer is stacked at the shell From the raised side surface, the abutment end abuts setting through the shell with the thin film switch lamellar spacing or elasticity.

A kind of keyboard, including the push-button unit that multiple arrays are set, shell of the push-button unit including tool receiving space, Pressing body and elastic construction, the pressing body and the elastic construction are contained in the receiving space of the shell, the elasticity Structure one end abuts the pressing body, and the pressing body drives the relatively described housing vertical direction of elastic construction back and forth to transport Dynamic, the shell includes side wall, roof and projection, the raised inside edge and the contour edge flush of the through hole, institute State pressing body one end and run through the roof, the side wall coordinates the roof to surround receiving space, and the projection is located at the top Wall outer surface.

Compared to prior art, the beneficial effect of push-button unit and keyboard of the present utility model is：In the case surface Increase sets bulge-structure, and the sliding groove structure surrounded using the roof of the bulge-structure and the shell supports the pressing body In vertical direction back and forth movement, when the pressing body is acted on by non-vertical direction external force, make by the raised support With, avoid the pressing body by non-vertical direction external force effect cause inclination, in turn result in the discomforts such as the bite of push-button unit Sense.Secondly, the projection is set so that the pressing body remains at vertical direction in motion process, and it is good to improve product Rate, extend product service life.

【Brief description of the drawings】

In order to illustrate more clearly of the technical scheme in the embodiment of the utility model, made in being described below to embodiment Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the utility model, For those of ordinary skill in the art, on the premise of not paying creative work, can also be obtained according to these accompanying drawings Other accompanying drawings, wherein：

Fig. 1 is the side sectional view of prior art push-button unit；

Fig. 2 is a kind of perspective exploded view of push-button unit of the utility model；

Fig. 3 is the side sectional view after the assembling of push-button unit shown in Fig. 2.

【Embodiment】

The technical scheme in the embodiment of the utility model will be clearly and completely described below, it is clear that described Embodiment is only part of the embodiment of the present utility model, rather than whole embodiments.Based on the implementation in the utility model Example, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made, is belonged to The scope of the utility model protection.

Fig. 2 and Fig. 3 is please referred to, wherein Fig. 2 is the stereo decomposing knot of the push-button unit of the utility model embodiment Structure schematic diagram, Fig. 3 are the side sectional views after push-button unit assembling described in Fig. 2.The pressing unit 2 includes tool receiving space Shell 200, pressing body 205, shell fragment 207, elastic construction (not indicating) and thin film switch 300.The receiving space of the shell 200 It is corresponding to house pressing body 205, shell fragment 207 and the elastic construction.Described elastic construction one end and the thin film switch layer 300 gap settings abut setting.When described elastic construction one end abuts setting with the elasticity of thin film switch layer 300, The thin film switch layer conducting, the push-button unit 2 are in input service state；When described elastic construction one end and the film During 300 gap setting of switching layer, the thin film switch layer disconnects, and the push-button unit 2 is in non-input working condition.

The shell 200 includes the nested upper lid 201 and lower cover 203 set that cooperate.The upper lid 201 with it is described under Lid 203 matches somebody with somebody the receiving space for being encircled into the shell 200.

The upper lid 201 includes side wall 2011, roof 2013, through hole 2015 and the multiple projections of end to end setting 2017.The side wall 2011 connects setting with the roof 2103, with being encircled into hollow structure.The roof 2013 is perpendicular to institute Side wall 2011 is stated to set.The through hole 2015 is located at the central area of roof 2013.

The multiple raised 2017 are formed from the roof 2013 towards extending away from the direction of side wall 2011, and are surround The through hole 2015 is symmetrical set, and the multiple raised 2017 surround hollow structure.Raised 2017 inner surface with The edge contour flush of the through hole 2015, the edge wheel profile of raised 2017 inner surface and the through hole 2015 Into the sliding groove structure of vertical direction.Described raised 2017 and the roof 2013 are in integrative-structure.

The side wall of the lower cover 203 engages to set with the side wall 2011 of the upper lid 201 forms the outer of tool receiving space Shell 200.

Certainly, the further improvement as above-mentioned embodiment, the upper lid 201 and lower cover 203 of the shell 200 are not necessarily It is Split type structure, can also be integrative-structure.

The pressing body 205 includes the first noumenon 2051, the second body 2053 and the ennation 2055 for the setting that connects successively. The first noumenon 2051 is corresponding to be contained in the lower cover 203.Second body 2053 is corresponding to be contained in the upper lid 201. The extension 2055 is corresponding to be run through the through hole 2015 and extends to the outside of shell 200.Outside the extension 2055 The sliding groove structure that side profile and the through hole 2015 coordinate described raised 2017 inner surface profile to be formed is corresponding, works as institute When stating pressing body 205 and being acted on by external force, it pumps along the sliding groove structure in vertical direction.

The shell fragment 207 be located in the wall outer surface of the pressing body 205 and the lower cover 203 inner surface it Between, the shell fragment 207 provides the level sense of touch and auditory tone cues when the push-button unit 2 inputs.

The elastic construction includes abutment end 208 and metal spring 209.Described in the one end of abutment end 208 elasticity abuts Pressing body 205, the other end run through the lower cover 203, and with the gap of thin film switch layer 300 or abutting setting.The gold Category spring 209 is located between the lower cover 203 and the pressing body 205, while the metal spring 209 is sheathed on described support The outside of end 208 is connect, for supporting the pressing body 205 back and forth movement in setting stroke.

The thin film switch layer 300 is stacked at the shell 200 away from raised 2017 side surface.

When the push-button unit 2 works, it includes two working conditions, i.e. input state and non-input state.

Working condition one：Input state

First, there is provided pressure puts on the pressing body 205, and the pressing body 205 is under external force along described convex 2017 sliding groove structures cooperatively formed with the through hole 2015 are played to move straight down.The band when pressing body 205 moves downward Move the abutment end 208 synchronously to move down, and then compress the metal spring 209, with the increasing that external force acts on, the abutment end 208 compress the thin film switch layer 300 through the lower cover 203 and elasticity, are turned on to the thin film switch layer 300, thus real The input operation of the existing push-button unit 2.

Working condition two：Non-input state

First, the pressure effect for putting on the pressing body 205 is cancelled, by the recovery deformation of the metal spring 209 Effect, promote sliding groove structures that the pressing body 205 cooperatively formed with the through hole 2015 along described raised 2017 vertically to Upper motion.The pressing body 205 drives the abutment end 208 synchronously to move up when moving upwards so that the abutment end 208 and institute State the gap setting of thin film switch layer 300, disconnect to the thin film switch layer 300, be achieved in the push-button unit 2 be reduced to it is non- Input operation state.

In practical work process, the pressing body 205 constantly moves back and forth under external force so that the button Unit 2 constantly switches between two kinds of working conditions, is achieved in the input of the push-button unit 2.

Certainly, the push-button unit 2 can also include keycap, and the key cap cover is on described raised 2017, the key Physical depression interface of the cap as operating personnel, realizes the transmission of external force.

As one kind application of above-mentioned push-button unit, the utility model also provides a kind of keyboard, and the keyboard includes multiple The push-button unit that array is set, the push-button unit is to use push-button unit 2 as described above.

Compared to prior art, in push-button unit 2 of the present utility model, in the surface of roof 2013, increase is set convex 2017 are played, raised 2017 inner surface coordinates the lateral profile of the through hole 2015 to form prolonging for the pressing body 205 Movable sliding structure is stretched, supports the pressing body 205 to be moved in vertical direction, avoids because outer forced direction is uneven, or Non-vertical direction external force effect causes the pressing body 205 to tilt, and then causes the bite of pressing body 205, is brought not to user Comfort sense；On the other hand, because described raised 2017 extend the pressing body 205 in the support force of vertical direction, improve The support of pressing body 205 is forced the way across, and is improved product reliability, is increased the service life.

Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in Other related technical fields, are similarly included in scope of patent protection of the present utility model.

Claims

1. a kind of push-button unit, include shell, pressing body and the elastic construction of tool receiving space, the pressing body and the elasticity Structure is contained in the receiving space of the shell, and described elastic construction one end abuts the pressing body, and the pressing body drives The relatively described housing vertical direction of the elastic construction moves back and forth, it is characterised in that：The shell includes side wall, roof and convex Rise, the roof is run through in described pressing body one end, and the side wall coordinates the roof to surround receiving space, and the projection is located at institute State roof outer surface.

2. push-button unit according to claim 1, it is characterised in that the projection extends to be formed from the top wall surface.

3. push-button unit according to claim 2, it is characterised in that the raised quantity is multiple, and is surrounded hollow Structure.

4. push-button unit according to claim 1, it is characterised in that the described raised and shell is in integrative-structure.

5. push-button unit according to claim 1, it is characterised in that the pressing body includes connecting the first of setting successively Body, the second body and extension, the first noumenon and the second body are correspondingly contained in the receiving space of the shell, described The side outline of extension is consistent with the inner side facial contour for the hollow structure that the projection surrounds, the two vertically phase To sliding.

6. push-button unit according to claim 5, it is characterised in that the shell include cooperate set upper lid with Lower cover, the first noumenon are correspondingly contained in the lower cover, and second body is correspondingly contained in the upper lid.

7. push-button unit according to claim 5, it is characterised in that the extension is tied with second body in one Structure.

8. push-button unit according to claim 1, it is characterised in that the elastic construction includes abutment end and metal elastic Spring, the metal spring is sheathed on the outside of the abutment end, while is correspondingly located between the pressing body and the shell.

9. push-button unit according to claim 8, it is characterised in that also including thin film switch layer, the thin film switch layer The shell is stacked at away from the raised side surface, the abutment end through the shell and the thin film switch lamellar spacing or Person's elasticity, which abuts, to be set.

10. a kind of keyboard, including the push-button unit that multiple arrays are set, shell of the push-button unit including tool receiving space, Pressing body and elastic construction, the pressing body and the elastic construction are contained in the receiving space of the shell, the elasticity Structure one end abuts the pressing body, and the pressing body drives the relatively described housing vertical direction of elastic construction back and forth to transport It is dynamic, it is characterised in that：The shell includes side wall, roof and projection, and the roof includes through hole, and the pressing body includes connecting The through hole is run through in the first noumenon of setting, the second body and extension, described extension one end, and the side wall coordinates the top Wall surrounds receiving space and houses the first noumenon and the second body, and the projection is located at the roof outer surface, described to prolong Facial contour is corresponding with the sliding groove structure that the through hole coordinates the raised inner surface profile to be formed on the outside of extending portion.