CN101770881B - Press key structure - Google Patents
Press key structure Download PDFInfo
- Publication number
- CN101770881B CN101770881B CN2008103065801A CN200810306580A CN101770881B CN 101770881 B CN101770881 B CN 101770881B CN 2008103065801 A CN2008103065801 A CN 2008103065801A CN 200810306580 A CN200810306580 A CN 200810306580A CN 101770881 B CN101770881 B CN 101770881B
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- CN
- China
- Prior art keywords
- press
- circuit board
- key structure
- support column
- press key
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The invention relates to a press key structure comprising an upper cover, a press key, a circuit board and a supporting shoe, wherein the upper cover is provided with a press key opening; one end of the press key penetrates in the press key opening and the other end is near the circuit board; the circuit board is arranged between the press key and the supporting shoe; the press key comprises a pressing part and at least one cantilever part connected with the lateral of the pressing part; and the cantilever part is suspended between the circuit board and the upper cover above the supporting shoe by at least one supporting pole, one end of the supporting pole penetrates the circuit board and resists the supporting shoe. In the press key structure, the press key is fixed between the upper cover and the circuit board by adopting the supporting pole, which replaces the traditional mode of hot pressing or dispensing fixing, thereby enhancing the fixing strength of the press key structure, enabling the installation process to be simple and meanwhile facilitating the dismounting repair of the press key structure.
Description
Technical field
The present invention relates to a kind of press-key structure.
Background technology
The cantilevered structural design of the many employings of existing button; Promptly the side at button is provided with a cantilever design, and said cantilever is generally elastomeric material and processes, its be fixed on product on cover; When button is pressed; Said cantilever produces deformation, and after the power of pressing keys disappeared, said cantilever can provide restoring force for button.
Existing cantilever type button generally all be adopt hot pressing or put the fixing mode of glue with said cantilever be fixed on product on cover.Yet hot pressing is fixing to be needed special hot pressing equipment and operating personnel's skill is had relatively high expectations, in case the failure of button hot pressing, it is bigger to reprocess difficulty, and majority all can be scrapped.The fixing same problem of reprocessing difficulty that exists of some glue, and some glue strength of fixation and durability degree are all limited in case that button occurs is loosening, then certainly will influence the normal use and the function of product, and glue is generally poisonous in addition, is unfavorable for operation and environmental protection.
Summary of the invention
In view of this, be necessary to provide a kind of assembling simple, the press-key structure of reprocessing for convenience detach.
A kind of press-key structure, it comprises a loam cake, a button, a circuit board and a back-up block.Cover on said and offer a key opening.Said button one end is arranged in the said key opening, and the other end is near said circuit board.Said circuit board is arranged between said button and the back-up block.Said button comprises the cantilever portion that a press section and at least one and said press section sidepiece link to each other.Said cantilever portion is suspended between the circuit board and loam cake of said back-up block top through at least one support column, and said support column one end passes said circuit board and is connected on the said back-up block.
With respect to prior art; Described press-key structure is fixed on button between said loam cake and the circuit board through adopting said support column; Thereby replaced traditional hot pressing or put the fixing mode of glue; Not only improve the constant intensity of press-key structure but also install simply, made things convenient for the dismounting of press-key structure to reprocess simultaneously.
Description of drawings
Fig. 1 is the exploded view of press-key structure of the present invention;
Fig. 2 is the exploded view of another angle of press-key structure of Fig. 1 of the present invention;
Fig. 3 is the assembling sketch map of the press-key structure of Fig. 1 of the present invention.
Embodiment
To combine accompanying drawing that the present invention is done one below specifically introduces.
See also Fig. 1 and Fig. 2, be depicted as the exploded view of press-key structure 100 of the present invention, said press-key structure 100 comprises loam cake 10, one buttons, 20, one circuit boards 30 and a back-up block 40.Offer a key opening 11 on the said loam cake 10.Said button 20 1 ends are arranged in the said key opening 11, and the other end is near said circuit board 30.Said circuit board 30 is arranged between said button 20 and the back-up block 40.Said button 20 comprises the cantilever portion 22 that a press section 21 and at least one and said press section 21 sidepieces link to each other, and said cantilever portion 22 is suspended between the circuit board 30 and loam cake 10 of said back-up block 40 tops through at least one support column 50.
Said press section 21 comprises a press-side 211 and one and said press-side 211 opposing contact ends 212, and said loam cake 10 is stretched out from said key opening 11 in the end of said press-side 211, and the end of said contact jaw 212 is towards said circuit board 30.
Said cantilever portion 22 comprise two cantilevers 221 that are connected in 21 bottom sides, said press section and one with said two cantilevers, 221 terminal fixed parts 222 that are connected.Said cantilever 221 is processed for elastomeric material, is used to said press section 21 restoring force is provided, and said fixed part 222 is fixed between said loam cake 10 and the said circuit board 30 by said support column 50.
Also be formed with a plurality of location holes 2221 on the said fixed part 222, corresponding, the corresponding position on the said loam cake 10 is formed with a plurality of reference columns 12, and said reference column 12 passes corresponding location hole 2221 respectively.Said fixed part 222 is fixedly the time, and the design of said reference column 12 and location hole 2221 can limit being displaced sideways of said button 20, to improve the precision of assembling.In this execution mode, the quantity of said location hole 2221 and reference column 12 is two.
Said circuit board 30 comprises a substrate 31 and a contact point unit 32, and said contact point unit 32 is arranged on the relative side surface of said substrate 30 and said button 20.Offer a plurality of first through holes 311 and at least one second through hole 312 on the said substrate 31 corresponding to the position of said support column 50; Be equipped with a screw 60 in said each first through hole 311; Be used for said circuit board 30 is fixed in said loam cake 10, said support column 50 passes said second through hole 312 and is supported between said loam cake 10 and the back-up block 40.
Said support column 50 1 ends are fixed on the fixed part 222 of said cantilever portion 22, and the other end passes said second through hole 312 and is connected on the said back-up block 40.Be the stability that guarantees to support, the quantity of said support column 50 is preferably more than two, and in this execution mode, the quantity of said support column 50 is three, and corresponding, the quantity of said second through hole 312 also is three.
For further facilitating the location assembling between said button 20, circuit board 30 and the back-up block 40, the position of corresponding said support column 50 is formed with a plurality of blind holes 401 on the said back-up block 40, and the end of said support column 50 is arranged at respectively in the said blind hole 401.
Certainly, said support column 50 also can be that an end is fixed on the said back-up block 40, and the other end passes said second through hole 312 and is connected on the said fixed part 222, and at this moment, said fixed part 222 is formed with the blind hole that is similar to said blind hole 401 on a plurality of.
Said support column 50 can be one-body molded with said button 20 or said back-up block 40.
This press-key structure 100 can be applied on any electronic product, and said back-up block 40 can be fixedly connected on said electronic product shell (figure does not show) inboard.
See also Fig. 3; Assembling sketch map for the press-key structure 100 of embodiment of the present invention; When the press-side 211 of the said button 20 of pressed by external force, said cantilever 221 promptly produces elastic deformation, and said contact jaw 222 touches the contact point unit 32 of said circuit board 30; And then produce this button 20 pairing control signals; And said fixed part 222 is fixed with respect to said loam cake 10 under said support column 50 and 12 effects of said reference column, and when the power of pushing said button 20 press-sides 211 disappeared, said press section 21 can return back to original position under said cantilever portion 221 resilient force.
Described press-key structure is fixed on button between said loam cake and the circuit board through adopting said support column; Thereby replaced traditional hot pressing or put the fixing mode of glue; Not only improve the constant intensity of press-key structure but also made installation process simple, made things convenient for the dismounting of press-key structure to reprocess simultaneously.
In addition, those skilled in the art also can do other variation in spirit of the present invention, and certainly, these all should be included within the present invention's scope required for protection according to the variation that the present invention's spirit is done.
Claims (11)
1. press-key structure, it comprises: a loam cake, a button; One circuit board and a back-up block; Cover on said and offer a key opening, said button one end is arranged in the said key opening, and the other end is near said circuit board; Said circuit board is arranged between said button and the back-up block; Said button comprises the cantilever portion that a press section and at least one and said press section sidepiece link to each other, and it is characterized in that: said cantilever portion is suspended between the circuit board and loam cake of said back-up block top through at least one support column, and said support column one end passes said circuit board and is connected on the said back-up block.
2. press-key structure as claimed in claim 1; It is characterized in that: said press section comprises a press-side and one and said press-side opposing contact end; Said loam cake is stretched out from said key opening in the end of said press-side, and the end of said contact jaw is towards said circuit board.
3. press-key structure as claimed in claim 1 is characterized in that: said cantilever portion comprises the fixed part that two cantilevers and that are connected in bottom side, said press section are connected with said two cantilevered distal end, and said fixed part is connected with said support column is inconsistent.
4. press-key structure as claimed in claim 3 is characterized in that: said cantilever is that elastomeric material is processed.
5. press-key structure as claimed in claim 3 is characterized in that: be formed with a plurality of location holes on the said fixed part, the position that covers corresponding said location hole on said is formed with a plurality of reference columns, and what said reference column was corresponding respectively is set in the said location hole.
6. press-key structure as claimed in claim 5 is characterized in that: the quantity of said reference column and said location hole is two.
7. press-key structure as claimed in claim 3 is characterized in that: the said support column other end is fixed on the fixed part of said cantilever portion.
8. press-key structure as claimed in claim 7 is characterized in that: the position of corresponding said support column is formed with a plurality of blind holes on the said back-up block, and the end of said support column is arranged at respectively in the said blind hole.
9. press-key structure as claimed in claim 1 is characterized in that: said circuit board comprises a substrate and a contact point unit, and said contact point unit is arranged on the said substrate side surface relative with said button.
10. press-key structure as claimed in claim 9; It is characterized in that: offer a plurality of first through holes and at least one second through hole corresponding to said support column on the said substrate, said support column passes said second through hole and is supported between said loam cake and the back-up block.
11. press-key structure as claimed in claim 10 is characterized in that: be equipped with a screw in said each first through hole, said circuit board is fixed in covers on said.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103065801A CN101770881B (en) | 2008-12-27 | 2008-12-27 | Press key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008103065801A CN101770881B (en) | 2008-12-27 | 2008-12-27 | Press key structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101770881A CN101770881A (en) | 2010-07-07 |
| CN101770881B true CN101770881B (en) | 2012-03-14 |
Family
ID=42503679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008103065801A Expired - Fee Related CN101770881B (en) | 2008-12-27 | 2008-12-27 | Press key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101770881B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104252984B (en) * | 2013-06-26 | 2017-05-17 | 名硕电脑(苏州)有限公司 | Button structure |
| CN103491467A (en) * | 2013-08-29 | 2014-01-01 | 刘骏涛 | Mini speaker |
| CN206194604U (en) * | 2016-09-27 | 2017-05-24 | 深圳创维数字技术有限公司 | Printing opacity button structure of STB |
-
2008
- 2008-12-27 CN CN2008103065801A patent/CN101770881B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101770881A (en) | 2010-07-07 |
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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: 20120314 Termination date: 20141227 |
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| EXPY | Termination of patent right or utility model |