CN206340466U - Press-key structure and electronic equipment - Google Patents
Press-key structure and electronic equipment Download PDFInfo
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- CN206340466U CN206340466U CN201720028209.8U CN201720028209U CN206340466U CN 206340466 U CN206340466 U CN 206340466U CN 201720028209 U CN201720028209 U CN 201720028209U CN 206340466 U CN206340466 U CN 206340466U
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- Prior art keywords
- press
- key structure
- housing
- installation cavity
- compressive seal
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Abstract
The utility model discloses a kind of press-key structure and electronic equipment, wherein, the press-key structure includes housing, is installed in the button and compressive seal of housing, installation cavity is formed with the housing, the housing offers the through hole passed through for the button, and the through hole connects the installation cavity, and the compressive seal is installed in the installation cavity, and installation cavity described in bonnet seal, the side of the compressive seal is held in the side wall of the installation cavity.Technical solutions of the utility model simplify press-key structure, make its processing simple, reduce cost.
Description
Technical field
The utility model is related to technical field of electronic products, more particularly to a press-key structure and the electricity using the press-key structure
Sub- equipment.
Background technology
Electronic product will generally set physical button to control the operation of electronic product.For example, earphone needs volume to adjust
Save button.The form of button has two kinds, and one is touch, and feature is not need perforate, the size of required space and touch device
Relevant, device is nested on shell in itself, and its waterproof effect is preferable, but easy false triggering when using, it is difficult to accomplish blind operation, uncomfortable
For multiple key combinations and operate the earphone products of not visibleization；Two be structural formula, and feature is to need perforate, button with it is outer
Mutually motion carries out waterproof, it is necessary to do structure between shell, it is desirable to which product has certain space, and the button touch feeling of this form is strong
It is strong, and false triggering is difficult, it is easier to accomplish blind operation, is relatively specific for multiple key combinations and operates not visibleization
Earphone products.Existing open-celled structure, general to be molded design using double color mould, flexible glue is molded on shell, however, using double-colored
Die injection technology is complex, and technology difficulty is big, double-color mold high cost, and soft or hard glue is simultaneously as the outward appearance of product, influence
The overall perception of product.
Utility model content
Main purpose of the present utility model is to provide a kind of press-key structure, it is intended to simplify press-key structure, makes its processing simple,
Reduce cost.
To achieve the above object, the utility model proposes press-key structure, including housing, be installed in the button of housing and soft
Installation cavity is formed with matter seal, the housing, the housing offers the through hole passed through for the button, through hole connection
The installation cavity, the compressive seal is installed in the installation cavity, and installation cavity described in bonnet seal, the soft seal
The side of part is held in the side wall of the installation cavity.
Alternatively, the side of the compressive seal is provided with projection, and the protruding ring is set around the compressive seal, institute
The raised side wall with the installation cavity is stated to support.
Alternatively, the side of the compressive seal is raised in institute provided with raised described at least two described at least two
The side for stating compressive seal be intervally arranged on direction along being pushed for the button.
Alternatively, the press-key structure also includes the fixture in the housing, and the fixture is provided with via, the mistake
Hole face is crimped on the compressive seal to the button, the fixture.
Alternatively, connecting plate is provided with the housing, the connecting plate, which encloses, to be set to form the installation cavity, the side wall of the housing
Installation gap is formed between the connecting plate, the fixture is provided with Plug Division, and the Plug Division is plugged in the clipping room
Gap.
Alternatively, adhesive is provided between the Plug Division and the side wall of the housing.
Alternatively, the press-key structure also includes the circuit board in the housing, and the circuit board is provided with Touch Zone, should
Touch Zone faces the via, and the button is connected in pressing with the Touch Zone.
Alternatively, pad is additionally provided between the circuit board and the compressive seal, the pad is located in the via.
The utility model also proposes a kind of electronic equipment, including press-key structure, and the press-key structure includes housing, is installed in shell
Installation cavity is formed with the button and compressive seal of body, the housing, the housing was offered for leading to that the button is passed through
Hole, the through hole connects the installation cavity, and the compressive seal is installed in the installation cavity, and is installed described in bonnet seal
Chamber, the side of the compressive seal is held in the side wall of the installation cavity.
Preferably, the electronic equipment is earphone or intercom.
Technical solutions of the utility model use compressive seal, by the way that the side of the compressive seal is supported in housing
In installation cavity, the installation cavity is sealed, so as to prevent that water from flowing into housing via the installation cavity and damaging internal electron member
Device.The press-key structure both ensure that strong feel, provides extraordinary guarantee for waterproof sealing again, can reach IP67 mark
It is accurate.The side of compressive seal is supported into the side wall in installation cavity, between the side of the compressive seal and the side wall of installation cavity
Interference fit, can so save the installation volume of compressive seal, and then save the space of press-key structure.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
Or the accompanying drawing to be used needed for description of the prior art is briefly described, it should be apparent that, drawings in the following description are only
It is some embodiments of the present utility model, for those of ordinary skill in the art, is not paying the premise of creative work
Under, other accompanying drawings can also be obtained according to the structure shown in these accompanying drawings.
Fig. 1 is the decomposition texture schematic diagram of the embodiment of the utility model press-key structure one；
Fig. 2 is the sectional view of the embodiment of the utility model press-key structure one；
Fig. 3 is the enlarged drawing at A in Fig. 2；
Fig. 4 is the exploded view of press-key structure sectional view in Fig. 2.
Fig. 5 is the structural representation of the raised first embodiment of compressive seal；
Fig. 6 is the structural representation of the raised second embodiment of compressive seal；
Fig. 7 is the structural representation of the raised 3rd embodiment of compressive seal；
Fig. 8 is the structural representation of the raised fourth embodiment of compressive seal；
Fig. 9 is the structural representation of the 5th raised embodiment of compressive seal.
Drawing reference numeral explanation：
| Label | Title | Label | Title |
| 100 | Press-key structure | 50 | Compressive seal |
| 10 | Housing | 51 | It is raised |
| 10a | Installation cavity | 53 | Pothook |
| 10b | Through hole | 70 | Fixture |
| 10c | Resigning mouth | 70a | Via |
| 10d | Gap is installed | 71 | Plug Division |
| 11 | Connecting plate | 80 | Pad |
| 30 | Button | 90 | Circuit board |
Realization, functional characteristics and the advantage of the utility model purpose will be described further referring to the drawings in conjunction with the embodiments.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower obtained every other embodiment, belongs to the scope of the utility model protection.
It is to be appreciated that institute is directional in the utility model embodiment indicates (such as up, down, left, right, before and after ...)
Relative position relation, motion conditions for being only used for explaining under a certain particular pose (as shown in drawings) between each part etc., such as
When really the particular pose changes, then directionality indicates also correspondingly therewith to change.
In the utility model, unless otherwise clearly defined and limited, term " connection ", " fixation " etc. should do broad sense reason
Solution, for example, " fixation " can be fixedly connected or be detachably connected, or integrally；Can mechanically connect, also may be used
Be electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be the connection of two element internals
Or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, can be with
Concrete meaning of the above-mentioned term in the utility model is understood as the case may be.
In addition, and can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose
Solve to indicate or imply its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".In addition, the skill between each embodiment
Art scheme can be combined with each other, but must can be implemented as basis with those of ordinary skill in the art, when technical scheme
With reference to occur it is conflicting or when can not realize it will be understood that the combination of this technical scheme is not present, also not in the utility model
It is required that protection domain within.
Referring to figs. 1 to Fig. 4, the utility model proposes a kind of press-key structure 100, the press-key structure 100 includes housing 10, dress
Located at the button 30 and compressive seal 50 of housing 10, installation cavity 10a is formed with the housing 10, the housing 10 is offered
The through hole 10b passed through for the button 30, through hole 10b connect the installation cavity 10a, and the compressive seal 50 is installed on institute
State in installation cavity 10a, and installation cavity 10a described in bonnet seal, the side of the compressive seal 50 is held in the installation cavity
10a side wall.
Wherein, housing 10 can be using rigid plastics shell, integrated injection molding, and the hard material is including but not limited to propylene
Nitrile-BS (ABS), makrolon (PC), thermoplastic vulcanizates silica gel (TPSIV), polyamide (PA) or/
With two kinds of other rigid plastics and above-mentioned material and the mixture of two or more materials, the auxiliary section uses soft material
Material, the adoptable soft material of compressive seal 50 including but not limited to soft silica gel, silicon rubber or/and other flexible plastics with
And the mixture of two kinds of above-mentioned material and two or more materials.
Installation cavity 10a shape can be selected according to actual conditions, and installation cavity 10a can offer resigning mouth 10c, should
Resigning mouth 10c is set in face of through hole 10b.The bonnet seal of compressive seal 50 resigning mouthful 10c.
Through hole 10b shape and the shape of button 30 match, when button 30 for it is double press portion or it is multiple press portion when, lead to
Hole 10b shapes will also do adaptive change.Resigning mouth 10c setting is to allow button 30 to touch compressive seal 50, press
Button 30 touched and touched after compressive seal 50 with internal electronic component such as circuit board 90, to be carried out to electronic product
Control.
Technical solutions of the utility model use compressive seal 50, by the way that the side of the compressive seal 50 is supported in shell
In the installation cavity 10a of body 10, installation cavity 10a is sealed, so as to prevent that water from flowing into housing 10 via installation cavity 10a
And damage internal electronic component.The press-key structure 100 both ensure that strong feel, provide extraordinary again for waterproof sealing
Ensure, IP67 standard can be reached.The side of compressive seal 50 is supported into the side wall in installation cavity 10a, the compressive seal
It is interference fitted between 50 side and installation cavity 10a side wall, can so saves the installation volume of compressive seal 50, and then
Save the space of press-key structure 100.
In the present embodiment, the side of the compressive seal 50 is provided with projection 51, and the projection 51 is around described soft
Seal 50 is set, and described raised 51 support with the side wall of the installation cavity 10a.
Pass through the projection 51 so that the interference fit of the compressive seal 50 and the connecting plate 11 is more convenient, is
Ensure the sealing property of press-key structure 100, it is necessary to there is certain requirement to value of interference fit；On the other hand, it is contemplated that space
Size, the convenience of assembling and the service life for improving auxiliary section, the upper limit to value of interference fit are required again.This practicality is new
In type, the definition on value of interference fit is：The deflection raised up after before assembly perpendicular to sidewall plane side and modification
Preceding projection is in the ratio between size on sidewall plane direction.By experiment and relevant design, the interference in the utility model
Use level is 15%~30%, it is preferable that value of interference fit is 20%~30%, it is further preferred that value of interference fit is
20%~25%.
In another embodiment of the present utility model, the side of the compressive seal 50 is provided with raised described at least two
51, projection 51 described at least two pushes the row of interval on direction in the side of the compressive seal 50 along the button 30
Cloth.The easier for installation firm of compressive seal 50 is caused by multiple raised 51 setting, water resistance is more preferable.
Reference picture 5 is to Fig. 9, and the shape of the projection 51 can be wedge shape, semicircle or triangle etc..Its position set and shape
Shape can be selected according to the space and processing technology of actual production.
In another embodiment of the present utility model, the side wall of the installation cavity 10a is provided with neck (not shown), described convex
Play 51 and be held in the neck.The setting of the neck can facilitate the installation of the projection 51 so that the installation of compressive seal 50 is more
It is stable, while assembly space can also be saved.
For the selection of the material of compressive seal 50, it is contemplated that the convenience of assembling process, and in view of actually used
The service life of process and the comfortableness of pressing, it is preferable that the hardness of the material of the compressive seal 50 is shore A types HA
50~HA 70, further, the hardness of the material of the compressive seal 50 is 60~HA of shore A type HA 70, more enters one
Step ground, the hardness of the material of the compressive seal 50 is 60~HA of shore A type HA 65.In view of the material of compressive seal 50
Material, it is preferable that two kind materials of the material of compressive seal 50 including but not limited to soft silica gel, silicon rubber and above-mentioned material
Expect the mixture according to arbitrary proportion.
Reference picture 2, in the present embodiment, the press-key structure 100 also include the fixture 70 in the housing 10, institute
State fixture 70 and face the button 30 provided with via 70a, via 70a, the fixture 70 is crimped on the compressive seal
50。
By the crimping of the fixture 70, prevent that compressive seal 50 from deviating from installation cavity 10a so that the press-key structure 100
More stablize.The surface towards fixture 70 of the compressive seal 50 is provided with pothook 53, and the pothook 53 is fastened in fixation
Part 70.Fixture 70 plate-like can be set, and the pothook 53 is fastened in the side of fixture 70.
With reference to Fig. 4, further, connecting plate 11 is provided with the housing 10, the connecting plate 11, which encloses, to be set to form the installation
Chamber 10a, is formed with installation gap 10d, the fixture 70 is provided with slotting between the side wall and the connecting plate 11 of the housing 10
Socket part 71, the Plug Division 71 is plugged in the installation gap 10d.Connecting plate 11 is formed for the downward projection of inner surface of housing 10,
The connecting plate 11 can be integrally formed the inner surface with housing 10, can also be set with the housing 10 in split, pass through what is pasted
Mode is connected.The connecting plate 11 can be vertically arranged with the inner surface of housing 10, and also tiltable is set.The connecting plate 11 is formed as peace
It behave affectedly 10a side wall.Waterproof sealing is formed at installation cavity 10a resigning mouthful 10c.The Plug Division 71 of fixture 70 is plugged in
Install gap 10d so that fixture 70 it is easier for installation.
Further, adhesive is provided between the Plug Division 71 and the side wall of the housing 10.By the way that part is adhesively fixed
70 mode can save installing space, while strengthening water resistance.Binding material can select rubber-type encapsulant and resin type
The specific encapsulant of two or more in encapsulant etc. and above-mentioned material according to arbitrary proportion mixture.Rubber
Type encapsulant is including but not limited to polysulfide rubber, silicon rubber, polyurethane rubber, neoprene and butyl rubber etc., resin type
Encapsulant is including but not limited to epoxy resin, unsaturated polyester resin, phenolic resin, polyacrylic resin, polyvinyl chloride tree
Fat etc..
Reference picture 2 and Fig. 4, in the present embodiment, the press-key structure 100 also include the circuit in the housing 10
Plate 90, the circuit board 90 is provided with Touch Zone, and the Touch Zone faces the via 70a, and the button 30 is touched in pressing with described
Control area's connection.The press-key structure 100 operationally, button 30 pass through through hole 10b after touched with compressive seal 50 after, passed through
Touched after the 70a of hole with Touch Zone, to form touching signals.
Because the contact surface of button 30 is typically small, and the hardness of the material of button 30 and circuit board 90 is significantly larger than soft
The material hardness of seal 50, so if button 30 and compressive seal 50 directly extrude circuit board 90 after contacting, equivalent to
Two hard materials extrude a soft material.After a long time use, normal button 30 and compressive seal 50 often occurs
The position of contact can produce abrasion, and influence is produced on the feel of button 30, and the contact surface of button 30 is by compressive seal when serious
50 is directly worn out, directly affects the waterproof and correlation function of button 30.It is therefore preferred that the circuit board 90 with it is described soft
Pad 80 is additionally provided between seal 50, the pad 80 is located in the via 70a.Due to introducing pad 80, therefore indirectly
The lower end of button 30 and the contact area of circuit board 90 are added, the service life of press-key structure 100 is improved, it is ensured that button
The stability of 30 feels.And to the selection of the material of pad 80, including but not limited to metal, ceramics and macromolecular material etc..
The utility model also proposes a kind of electronic equipment (not shown), and the electronic equipment includes press-key structure 100, the button
The concrete structure of structure 100 is with reference to above-described embodiment, because this electronic equipment employs whole technologies of above-mentioned all embodiments
Scheme, therefore all beneficial effects that at least technical scheme with above-described embodiment is brought, this is no longer going to repeat them.
Further, the electronic equipment is earphone or intercom.Certainly, the electronic equipment can also be other electronic equipments
Such as mobile phone, panel computer or hand-held PDA, as long as the electronic equipment with the press-key structure 100, of the present utility model
In protection domain.
Preferred embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited,
It is every utility model of the present utility model design under, the equivalent structure made using the utility model specification and accompanying drawing content
Conversion, or directly/be used in other related technical fields indirectly and be included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of press-key structure, it is characterised in that including housing, be installed in the button and compressive seal of housing, the housing
Installation cavity is inside formed with, the housing offers the through hole passed through for the button, and the through hole connects the installation cavity, described soft
Matter seal is installed in the installation cavity, and installation cavity described in bonnet seal, and the side of the compressive seal is held in institute
State the side wall of installation cavity.
2. press-key structure as claimed in claim 1, it is characterised in that the side of the compressive seal is provided with projection, should
Protruding ring is set around the compressive seal, and the raised side wall with the installation cavity is supported.
3. press-key structure as claimed in claim 2, it is characterised in that the side of the compressive seal is provided with least two institutes
Projection is stated, the side that the compressive seal is raised in described at least two be intervally arranged on direction along being pushed for the button.
4. the press-key structure as described in any one in claims 1 to 3, it is characterised in that the press-key structure also includes being located at
Fixture in the housing, the fixture is provided with via, and the via faces the button, and the fixture is crimped on described
Compressive seal.
5. press-key structure as claimed in claim 4, it is characterised in that connecting plate is provided with the housing, the connecting plate, which encloses, to be set
The installation cavity is formed, installation gap is formed between the side wall and the connecting plate of the housing, the fixture is provided with slotting
Socket part, the Plug Division is plugged in the installation gap.
6. press-key structure as claimed in claim 5, it is characterised in that be provided between the Plug Division and the side wall of the housing
Adhesive.
7. press-key structure as claimed in claim 4, it is characterised in that the press-key structure also includes in the housing
Circuit board, the circuit board is provided with Touch Zone, and the Touch Zone faces the via, and the button connects in pressing with the Touch Zone
Connect.
8. press-key structure as claimed in claim 7, it is characterised in that also set between the circuit board and the compressive seal
There is pad, the pad is located in the via.
9. a kind of electronic equipment, it is characterised in that including the press-key structure as described in any in claim 1 to 8.
10. electronic equipment as claimed in claim 9, it is characterised in that the electronic equipment is earphone or intercom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028209.8U CN206340466U (en) | 2017-01-11 | 2017-01-11 | Press-key structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720028209.8U CN206340466U (en) | 2017-01-11 | 2017-01-11 | Press-key structure and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206340466U true CN206340466U (en) | 2017-07-18 |
Family
ID=59304899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720028209.8U Active CN206340466U (en) | 2017-01-11 | 2017-01-11 | Press-key structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206340466U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068459A (en) * | 2017-01-11 | 2017-08-18 | 深圳市韶音科技有限公司 | Press-key structure and electronic equipment |
| CN107624003A (en) * | 2017-10-20 | 2018-01-23 | 维沃移动通信有限公司 | A kind of flexible PCB and its processing method, mobile terminal |
| CN111508746A (en) * | 2019-10-28 | 2020-08-07 | 深圳市海洋王照明工程有限公司 | Sealing structure, key module and electronic equipment |
-
2017
- 2017-01-11 CN CN201720028209.8U patent/CN206340466U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068459A (en) * | 2017-01-11 | 2017-08-18 | 深圳市韶音科技有限公司 | Press-key structure and electronic equipment |
| CN107624003A (en) * | 2017-10-20 | 2018-01-23 | 维沃移动通信有限公司 | A kind of flexible PCB and its processing method, mobile terminal |
| CN111508746A (en) * | 2019-10-28 | 2020-08-07 | 深圳市海洋王照明工程有限公司 | Sealing structure, key module and electronic equipment |
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