CN103730280B - Key and electronic device with same - Google Patents
Key and electronic device with same Download PDFInfo
- Publication number
- CN103730280B CN103730280B CN201310732272.6A CN201310732272A CN103730280B CN 103730280 B CN103730280 B CN 103730280B CN 201310732272 A CN201310732272 A CN 201310732272A CN 103730280 B CN103730280 B CN 103730280B
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- China
- Prior art keywords
- circuit board
- elastic body
- groove
- button
- draw
- Prior art date
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Abstract
The invention discloses a key and an electronic device with the same. The electronic device is arranged on a circuit board, and the first surface of the circuit board is provided with a switch component. The key comprises a key cap and an elastic body, wherein the circuit board is arranged on the elastic body, and the key cap is disposed on the side, opposite to the circuit board, of the elastic body; the elastic body comprises a clamping groove and a first containing space communicated with the clamping groove, the clamping groove is used for clamping the circuit board, a trigger component is arranged in the first containing space, and the switch component is arranged in the first containing space and opposite to the trigger component after the circuit board is disposed in the clamping groove in a clamping mode. When no external force is exerted on the key cap, the trigger component does not trigger the switch component. When the external force is exerted on the key cap, the key cap presses the elastic body through the external force and promotes the trigger component to trigger the switch component. The key can effectively avoid the poor tactility problem caused by the assembly tolerance.
Description
Technical field
The present invention relates to a kind of button and the electronic installation using this button, more particularly, to one kind can quickly be assembled to
The button of electronic installation and use its electronic installation.
Background technology
Mobile phone is as a kind of means of communication, it has also become indispensable necessary in people's daily life, also greatly full
The foot demand of people's instant messagings.The development and progress of science and technology, the extensive application of 3g technology therewith, mobile phone has been not only
Simple communication tool, it is just becoming a kind of multi-functional intelligent terminal.Various functions increasingly perfect, promote mobile phone side key
Extensively apply, mobile phone side key conveniently can be realized certain specific function for user, such as take pictures, plays music etc..
Refer to Fig. 1, Fig. 1 is structural representation on mobile phone for the known mobile phone side key assembling, as illustrated, side is pressed
On key assembling handset shell 10, side button includes keycap 12, list structure 11 and trigger element 14, and wherein, keycap 12 is arranged
Outside in the list structure 11 and tapping from handset shell 10 protrudes from handset shell 10, trigger element 14 is arranged at strip
In structure 11 and opposite with keycap 12.The circuit board 15 matching with above-mentioned side button is also included, electricity in known mobile device
Road plate 15 is provided with switch element 16, and switch element 16 is relative with trigger element 14.When user is pressed using above-mentioned known side
During key, press keycap 12, list structure 11 provides suitable flexible movement as elastic arm and drives trigger element 14 contact switch
Element 16 simultaneously produces trigger, and trigger is conducted to handset processes unit by switch element 16 by circuit board 15, handss
Machine processing unit receives and processes trigger and controls mobile phone execution associative operation.Additionally, in known techniques, in order to prevent
There is unnecessary contact between trigger element 14 and switch element 16, often on list structure 11, be provided with projection 13, by convex
Block 13 is offseted with the side of circuit board 15, to avoid trigger element 14 and switch element 16 that mistake occurs in the presence of no external force
Contact by mistake and lead to the operation of mobile phone execution mistake.
Being arranged on of above-mentioned known side button offers convenience to the operation of user in certain degree, however, now
The slim trend being melted into as smart mobile phone development of intelligent mobile phone thickness, the inner space of therefore mobile phone is less and less.Additionally, being
Raising appearance tactile impression, often selects gloss preferably metal shell.But, after body lower thickness, inner space is narrow, with
Cause in being difficult to form larger space in the side of metal shell under the confined space, to accommodate side press-key structure.Also due to it is interior
Portion's narrow space, existing side press-key structure is loaded onto and is restricted in processing and group, and for example, above-mentioned known side button is in group
During being filled to handset shell, first side button is placed directly on housing so that keycap is arranged in the groove that housing is reserved
In, then the circuit board group with switch element is filled to the inside of housing.It should be noted that side button be respectively provided with relatively solid
Fixed start path, only when the assembling position of circuit board and side button is in the assembling margin of tolerance, the side button being completed
Ability triggered as normal switch element, if side button is unsatisfactory for assembling tolerance with the assembling of circuit board, leads to the pressing of side button
The stroke of start is not it is impossible to the switch element on triggered as normal circuit board is so that the sense of touch of side button is good.
Content of the invention
It is an object of the invention to provide a kind of button and use its electronic installation, by the elastic body of this button
Draw-in groove and the first accommodation space of communicating therewith so that the switch element of circuit board is embedded in the first accommodation space, with gram
Take in prior art, because assembling space is narrow, the assembling of the button that phenomenon causes such as the positioning of button is inaccurate and circuit board not
Can meet default assembling tolerance, and then make the not good problem of sense of touch of button.
The present invention provides a kind of button, and for electronic installation, this electronic installation has on circuit board, and the first of this circuit board
Surface be provided with switch element it is characterised in that: this button includes: keycap；Elastic body, it is main that this circuit board is arranged at this elasticity
On body, and this keycap is arranged at the side of this circuit board opposite of this elastic body, and this elastic body includes: draw-in groove, this card
Groove sets this circuit board in order to card；And the first accommodation space communicating with this fluting, it is provided with triggering unit in this first accommodation space
Part, after this draw-in groove, this switch element is placed in this first accommodation space to this circuit-board card, and this switch element and triggering
Element is relatively；Wherein, when no external force puts on this keycap, this trigger element does not trigger this switch element；When apply external force in
During this keycap, this keycap is by this elastic body of pressed by external force, and promotes this trigger element to trigger this switch element.
As optional technical scheme, this elastic body is formed in one with this draw-in groove.
As optional technical scheme, this elastic body is provided with groove, to fixing projection should be provided with by groove on this draw-in groove,
By cooperating so that this draw-in groove is mounted on this elastic body of this fixation projection and this groove.
As optional technical scheme, the material of this elastic body is rubber, silica gel or polyurethane resin.
As optional technical scheme, this elastic body also has at least one projection, and this projection is against the neighbour of this circuit board
Near and this trigger element relatively side, so that this trigger element will not trigger this switch unit when no external force puts on this keycap
Part.
As optional technical scheme, this elastic body has two projections, and two this projections are against the neighbour of this circuit board
Near and this trigger element relatively side, and two this projections are respectively positioned at the both sides of this trigger element.
As optional technical scheme, the material of this keycap is metal or plastics.
As optional technical scheme, the side of this first accommodation space relatively of this draw-in groove is plate body structure.
The purpose of the present invention two is to provide a kind of electronic installation, and this electronic installation includes: button as above；This electricity
Road plate；And housing, this housing has perforate, this button is placed in this housing, and this keycap of this button is from this perforate
Protrude from this housing.
As optional technical scheme, this electronic installation be mobile phone, individual digital computer (pad), audio player or
Video player.
Compared with prior art, the button of the present invention be provided with by elastic body there is draw-in groove and communicate therewith
One accommodation space is so that the switch element on circuit board is directly sleeved in the first accommodation space, simply efficiently straight by button
Connect and be assembled on circuit board, and effectively avoid in prior art due to public because of assembling between circuit board and mobile phone key
The not good problem of the poor button touch feeling leading to.Therefore, the above-mentioned button that the present invention provides can be greatly improved packaging efficiency
On the basis of ensure assemble yield.
Brief description
Fig. 1 is known mobile phone side key assembling partial structural diagram on handset shell.
Fig. 2 is the press-key structure schematic diagram of the present invention.
Fig. 3 is the structural representation in the partial structurtes front on handset shell for the key assembling of the present invention.
Fig. 4 is the structural representation at the partial structurtes back side on handset shell for the key assembling of the present invention.
Fig. 5 is the schematic diagram of the electronic installation of the button comprising the present invention.
Specific embodiment
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Referring to Fig. 2, Fig. 3 and Fig. 4, Fig. 2 is the press-key structure schematic diagram of the present invention, and Fig. 3 is the button of the present invention
It is assembled in the structural representation in the partial structurtes front on handset shell, Fig. 4 is the key assembling of the present invention on handset shell
The partial structurtes back side structural representation.
Shown as shown in Figure 2, Figure 3 and Figure 4, the present invention provides a kind of button 20, and it can be applicable to electronic installation, above-mentioned electronics dress
Putting for example, in mobile phone, individual digital computer (pad), audio player or video player, and present embodiment is with handss
Illustrate as a example machine, but the present invention is not limited thereto.
Button 20 includes keycap 22, elastic body 21 and trigger element 25, and wherein, keycap 22 is with trigger element 25 respectively
It is arranged at the relative both sides of elastic body 21, keycap 22 is arranged at the side of the opposite circuit board 31 of elastic body 21.Elastic body
21 include draw-in groove 23 and the first accommodation space 24 communicating with draw-in groove 23, and draw-in groove 23 sets circuit board 31 in order to card, and first houses
It is provided with trigger element 25 in space 24.Wherein, in present embodiment, it is preferred that first accommodation space 24 relatively of draw-in groove 23
Side is plate body structure 26, and plate body structure 26 is contacted with the bottom surface of circuit board 31, and the switch element 32 on circuit board 31 is embedded
In the first accommodation space 24, and switch element 32 is relative with trigger element 25.The setting of above-mentioned plate body structure 26 can be preferably
Realize the support to circuit board 31, but the present invention is not limited thereto, for the knot of the side relative to the first accommodation space for the draw-in groove
Structure is arranged, and it only needs to meet draw-in groove 23 to block and sets and support circuit board 31.Now, if user's (or user) does not apply
When keycap 22, trigger element 25 is not contacted external force with switch element 32, therefore, the non-trigger switch element of trigger element 25
32；If user applies external force when keycap 22, trigger element 25 is contacted with switch element 32, and switch element 32 receives pressure
Afterwards, produce trigger, trigger is conducted in handset processes unit by circuit board 31, and handset processes unit receives simultaneously
Process trigger and control mobile phone execution associative operation.
Continue referring to Fig. 2 and Fig. 3, in the present embodiment, for making trigger element 25 not apply the situation of external force in user
Under do not contact with switch element 32, the two ends of elastic body 21 are respectively arranged with locating convex block 27 and locating convex block 28, wherein, fixed
Position projection 27 and locating convex block 28 are located at the both sides of trigger element 25 respectively, and locating convex block 27 and locating convex block 28 are against circuit board
31 neighbouring and trigger element 25 relatively sides, to avoid occurring unnecessary connecing between trigger element 25 and switch element 32
Touch, and lead to the mobile phone execution unwanted operation of user.In above-described embodiment, to bend shape respectively at the two ends of elastic body 21
Become locating convex block 27 and locating convex block 28, in other embodiments of the invention, the quantity of locating convex block also can for 1,3 or
More, that is, the set location of locating convex block, quantity and shape can be adjusted according to actual needs.
In the above embodiment of the present invention, for the button touch feeling having obtained, elastic body 21 can be integrated with draw-in groove 23
Molding.And in other embodiments of the invention, draw-in groove 23 is provided with fixing projection, elastic body 21 is provided with and fixing projection
The groove matching, makes by the cooperation of projection and groove that draw-in groove 23 is dismountable to be assembled on elastic body 21, and due to
Draw-in groove 23 is mounted on elastic body 21, and the first accommodation space 24 on draw-in groove 23 can have sizes and shape
It is adapted with the switch element 32 of different shape or size on circuit board 31, make button 20 be suitable for difference electronic installation to reach
Purpose.
In the above embodiment of the present invention, elastic body 21 needs to provide suitable flexible movement to drive trigger element 25
Contact switch element 32, therefore, the material of elastic body 21 be preferably silica gel, rubber or polyurethane resin etc. have suitably firm
Property and elasticity material.
In the above embodiment of the present invention, keycap 22 can be the keycap of metal or plastics.
Refer to Fig. 5, Fig. 5 is the schematic diagram of the electronic installation of the button comprising the present invention, as shown in figure 5, electronic installation
40 include housing 41, and housing 41 has perforate 42, and housing 41 is in order to accommodating present invention button as above 20 and circuit board
31, wherein, keycap 22 can project housing 41 from perforate 42, and above-mentioned housing 41 is for example formed by fore shell and back cover assembling.This
In embodiment, using mobile phone as electronic installation as a example illustrate, but be not limited, in other embodiments of the invention,
Electronic installation is mobile phone, individual digital computer (pad), audio frequency or video player etc..
Illustrate how the above-mentioned button 20 of the present invention is prevented effectively from assembling tolerance as a example electronic installation 40 shown in by Fig. 5.
First, by button 20 with circuit board 31 to group so that circuit board 31 enters draw-in groove 23, switch element 32 embeds the first accommodation space
24 and trigger element 25 is relative with switching element 32, plate body structure 26 supports circuit board 31；Secondly, to the button 20 after group and electricity
Road plate 31 is assembled in housing 41 simultaneously, and makes keycap 22 prominent from the perforate 42 of housing 41.The button that the present invention provides
20 due to carry out with circuit board 31 first stable to group it can be ensured that user when pressing elastic body 21 so that triggering unit
The accurate trigger switch element 32 of part 25.Therefore, compared to the assembling that must strictly meet side button and circuit board in prior art
The method that tolerance is assembled, the above-mentioned button being provided using the present invention, by the setting of draw-in groove 23 and the first accommodation space 24,
Button 20 can be effectively made to be assembled on circuit board 31 with simpler, and to group between button 20 and circuit board 31 in assembling process
The demand of dress tolerance significantly reduces, and the accuracy rate of key assembling is greatly improved.
Additionally, being required for retaining default assembling tolerance in the various element assemblings of electronic installation, with the electronics dress in Fig. 5
As a example putting 40, but it is not limited, because switch element 32 is fixed on the surface of circuit board 31 frequently with the mode welded, and be
Make more reliable being fixed on circuit board 31 of switch element 32, setting locating dowel (not shown) generally on switch element 32,
Correspond to locating dowel setting location hole (not shown) on circuit board 31, wherein, the diameter of locating dowel is, for example, 0.2mm, positioning
The diameter in hole is, for example, 0.5mm, and therefore, switch element 32 is 0.15mm with the maximum assembling tolerance of circuit board 31, based on above-mentioned
Maximum assembling tolerance 0.15mm, the spacing between the perforate 42 on housing 41 and keycap 22 need to be more than maximum assembling tolerance
0.15mm is to meet assembling needs.
To sum up, the present invention provide button and illustrated in above-described embodiment using its electronic installation, the present invention's
Compared with prior art, by the draw-in groove clamping circuit board of elastic body on button, and the switch element on circuit board is straight for button
Female connector, located at the first accommodation space communicating with draw-in groove, simplifies button, circuit board and housing number of assembling steps, due to directly will
Button is sheathed on circuit board, therefore, effectively improve assembly precision, it is to avoid because assembling tolerance lead to button touch feeling not good
Problem.
Certainly, the present invention also can have other various embodiments, in the case of without departing substantially from present invention spirit and its essence, ripe
Know those skilled in the art to make various corresponding changes according to the present invention and deform, but these corresponding changes and deformation
The protection domain of appended claims of the invention all should be belonged to.
Claims (8)
1. a kind of button, for electronic installation, this electronic installation has circuit board, and the first surface of this circuit board is provided with switch
Element it is characterised in that: this button includes:
Keycap；
Elastic body, this circuit board is arranged on this elastic body, and this keycap is arranged at this circuit opposite of this elastic body
The side of plate, and this elastic body includes:
Draw-in groove, this draw-in groove sets this circuit board in order to card；And
The first accommodation space communicating with this draw-in groove, is provided with trigger element in this first accommodation space, this circuit-board card is located at this
After draw-in groove, this switch element is embedded at this first accommodation space, and this switch element is relative with this trigger element；
Wherein, the side of this first accommodation space relatively of this draw-in groove is plate body structure, and this plate body structure supports this circuit board；Should
Elastic body also has at least one locating convex block, and, against the side of this circuit board, this side of this circuit board is adjacent for this locating convex block
Closely this trigger element, and this side of this circuit board is oppositely arranged with this trigger element, when no external force puts on this keycap, should
Trigger element does not trigger this switch element；When apply external force in this keycap when, this keycap by this elastic body of pressed by external force, and
This trigger element is promoted to trigger this switch element.
2. as claimed in claim 1 by it is characterised in that this elastic body is formed in one with this draw-in groove.
3. as claimed in claim 1 by it is characterised in that this elastic body is provided with groove, to should groove on this draw-in groove
It is provided with fixing projection, cooperating so that this draw-in groove is mounted at this elasticity and leads by this fixation projection and this groove
On body.
4. press as claimed in claim 1 it is characterised in that the material of this elastic body is rubber, silica gel or polyurethane
Resin.
5. as claimed in claim 1 by it is characterised in that this elastic body has two locating convex blocks, two this positioning
Projection against this side of this circuit board, this side of this circuit board adjacent to this trigger element, this side of this circuit board with should
Trigger element is oppositely arranged, and two this locating convex blocks are respectively positioned at the both sides of this trigger element.
6. press as claimed in claim 1 it is characterised in that the material of this keycap is metal or plastics.
7. a kind of electronic installation is it is characterised in that this electronic installation includes:
Button as described in any one in claim 1-6；And
Housing, this housing has perforate, and this button is placed in this housing, and the keycap of this button protrudes from this from this perforate
Housing.
8. electronic installation as claimed in claim 7 is it is characterised in that this electronic installation is mobile phone, individual digital computer, audio frequency
Player or video player.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732272.6A CN103730280B (en) | 2013-12-27 | 2013-12-27 | Key and electronic device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732272.6A CN103730280B (en) | 2013-12-27 | 2013-12-27 | Key and electronic device with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103730280A CN103730280A (en) | 2014-04-16 |
| CN103730280B true CN103730280B (en) | 2017-01-25 |
Family
ID=50454310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310732272.6A Expired - Fee Related CN103730280B (en) | 2013-12-27 | 2013-12-27 | Key and electronic device with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103730280B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105450817B (en) * | 2015-12-23 | 2018-06-08 | 广东欧珀移动通信有限公司 | Button and its mounting structure |
| CN106229185A (en) * | 2016-07-29 | 2016-12-14 | 广东欧珀移动通信有限公司 | Button assembly and terminal |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200969719Y (en) * | 2006-11-08 | 2007-10-31 | 瑞轩科技股份有限公司 | Circuit board fastening device |
| CN201036191Y (en) * | 2007-03-26 | 2008-03-12 | 青岛海信电器股份有限公司 | Fastener type keystoke bracket |
| KR20130096349A (en) * | 2012-02-22 | 2013-08-30 | 삼성전자주식회사 | Side key for portable terminal |
-
2013
- 2013-12-27 CN CN201310732272.6A patent/CN103730280B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103730280A (en) | 2014-04-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170125 Termination date: 20201227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |