CN2824263Y - Key structure - Google Patents
Key structure Download PDFInfo
- Publication number
- CN2824263Y CN2824263Y CN 200520112843 CN200520112843U CN2824263Y CN 2824263 Y CN2824263 Y CN 2824263Y CN 200520112843 CN200520112843 CN 200520112843 CN 200520112843 U CN200520112843 U CN 200520112843U CN 2824263 Y CN2824263 Y CN 2824263Y
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- China
- Prior art keywords
- film
- conducting portion
- foreign matter
- substrate
- key structure
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Abstract
The utility model discloses a key structure, which comprises a key cap, an elastic body, a film assembly, a basal plate and a protective layer, wherein the elastic body is arranged below the key cap; the film assembly is arranged below the elastic body, and is provided with a switch element; the basal plate is arranged below the film assembly for supporting the film assembly; the protective layer is arranged between the film assembly and the basal plate, and is provided with a foreign matter eliminating part; foreign matter between the basal plate and the film assembly can be eliminated by the foreign matter eliminating part.
Description
Technical field
The utility model relates to a kind of press-key structure, particularly relates to a kind of foreign matter on the substrate can the eliminating, and the press-key structure of the signal input that can not make the mistake.
Background technology
Because it is scientific and technological at a tremendous pace now, electronic correlation industry technology progresses greatly day by day, it is the closest with computer and modern's relation again to develop the electronic product that, and computer is more divided into desktop and mobile computer, it all is to use keyboard that data are imported, therefore whether the button of keyboard uses well, is often concerning the keyboard or the sales volume of this mobile computer.
Since keyboard is so important, that is how with its optimal efficacy of button design performance, makes it be easy to start and becomes mass society the most receptible popular product, and each electronic correlation industry dealer is badly in need of breaking through the target of development especially.
Fig. 1 shows an existing press-key structure 1.Fig. 2 shows the A-A generalized section of existing press-key structure 1.In general, existing press-key structure 1 is to be arranged on the keyboard of a mobile computer, with as a signal input apparatus.Simultaneously, press-key structure 1 mainly is made up of a keycap 10, an elastomer 11, a film assembly 12 and a substrate 13.Elastomer 11 is connected in keycap 10, and is arranged under the keycap 10.Film assembly 12 is arranged under the elastomer 11, and has a first film 14, one second film 15 and a spacer element 16.Spacer element 16 is arranged between the first film 14 and second film 15.Simultaneously, film assembly 12 is arranged on the substrate 13.In addition, on the apparent surface of the first film 14 and second film 15, also be respectively arranged with one first conducting portion 17 and one second conducting portion 18, and first conducting portion 17 (0.05mm～0.1mm) is interval in second conducting portion 18 with an atomic little distance.In addition, second conducting portion 18 is electrically connected on the keyboard (not shown) of mobile computer again.
When user's desire is imported a signal to mobile computer by this press-key structure 1, only need push keycap 10 so that the central elastic cylinder 19 of elastomer 11 presses the first film 14 of film assembly 12.At this moment,, so just this signal can be inputed in the mobile computer, show as Fig. 3 just can contact with second conducting portion 18 on second film 15 and form electrical connection at first conducting portion 17 on the first film 14.
Yet, because the assembling of press-key structure 1 is not to carry out in dust free room, so foreign matters such as the dust or the grains of sand may drop on substrate 13.In addition, substrate 13 also can be plastic injection-moulded and moulding, therefore has the existence of burr or residual plastic bits on substrate 13.Moreover, because the base of mobile computer can be with the processing of spraying paint, so foreign matter is attached on the substrate 13.Therefore, as shown in Figure 4, when being arranged at film assembly 12 on the substrate 13, second film 15 of film assembly 12 can be because of above-mentioned foreign matter 20 projections, simultaneously, owing to first conducting portion 17 is interval in second conducting portion 18 with an atomic little distance, so under press-key structure 1 and intact situation, improper contact second conducting portion 18 of first conducting portion, 17 meetings, thereby the signal that makes the mistake input.
In view of this, the purpose of this utility model is that a kind of improved press-key structure will be provided, and by a foreign matter eliminating portion is set on the substrate of press-key structure, the foreign matter on the substrate can be got rid of, and can not make press-key structure under intact situation, the signal input that makes the mistake.
Therefore, needed is a kind of press-key structure, and it can overcome the shortcoming of prior art, and the utility model can satisfy this demand.
The utility model content
Main purpose of the present utility model is to provide a kind of improved press-key structure; have that a foreign matter eliminating portion guarantees sheath and the foreign matter on the substrate is got rid of the signal input that press-key structure can not be made the mistake under intact situation by on the substrate of press-key structure, being provided with.
For reaching above-mentioned purpose, the utility model provides a kind of press-key structure, and it comprises:
One keycap;
One elastomer is arranged at this keycap below;
One film assembly is arranged under this elastomer, has a switch element;
One substrate is arranged under this film assembly, in order to support this film assembly; And
One protective layer is arranged between this film assembly and this substrate, and offers a foreign matter eliminating portion, by this foreign matter eliminating portion, to get rid of the foreign matter between this substrate and this film assembly.
Preferably, this film assembly comprises a first film, one second film and a spacer element, and this spacer element is arranged between this first film and this second film.
Preferably, this switch element comprises one first conducting portion and one second conducting portion, and this first conducting portion and this second conducting portion are arranged at respectively on the apparent surface of this first film and this second film.
Preferably, this spacer element is a ring-type element, and this first conducting portion and this second conducting portion are positioned among this ring-type element.
Preferably, this foreign matter eliminating portion is a perforate.
Preferably, this perforate penetrates this protective layer.
Preferably, this first film and this second film are plastic film.
Preferably, this spacer element is made with plastic material.
Preferably, this substrate is a metallic plate.
Preferably, this substrate is a plastic plate.
Understand and approval for your juror is had further for structure of the present utility model, effect and method thereof, cooperate diagram to describe in detail now as after.
Description of drawings
Fig. 1 is an existing press-key structure schematic diagram;
Fig. 2 is the A-A generalized section of Fig. 1, and wherein, first conducting portion and second conducting portion are in released state;
Fig. 3 is the A-A generalized section of Fig. 1, and wherein, first conducting portion and second conducting portion are in connection status;
Fig. 4 is the A-A generalized section of Fig. 1, and wherein, first conducting portion and second conducting portion are in status of electrically connecting because of the foreign matter on the substrate;
Fig. 5 is the cutaway view of the utility model press-key structure, and it shows first embodiment; And
Fig. 6 is the cutaway view of the utility model press-key structure, and it shows second embodiment.
Embodiment
Hereinafter with reference to the graphic the utility model of describing of enclosing for reaching employed technological means of purpose and effect, and following graphic cited embodiment only is an aid illustration, your understand in order to juror, but that technological means of the present utility model is not limited to is cited graphic.
First embodiment
See also Fig. 5, it shows first embodiment of the present utility model.Press-key structure 50 of the present utility model mainly includes a keycap 51, an elastomer 52, a film assembly 53, a protective layer 54 and a substrate 55.This elastomer 52 is connected in this keycap 51, and is arranged under this keycap 51.This film assembly 53 is arranged under this elastomer 52.This substrate 55 is arranged under this this film assembly 53, in order to support this film assembly 55.This protective layer 54 is arranged between this film assembly 53 and this substrate 55, and offers a foreign matter eliminating portion 540, and this foreign matter eliminating portion 540 is used to get rid of the foreign matter between this substrate 55 and this film assembly 53.
Wherein, this film assembly 53 more comprises a first film 530, one second film 531 and a spacer element 532, this spacer element 532 is arranged between this first film 530 and this second film 531, this film assembly 53 has more a switch element 533, this switch element 533 comprises one first conducting portion 534 and one second conducting portion 535, this first conducting portion 534 is arranged on this first film 530,535 of this second conducting portions are arranged on this second film 531, and this first conducting portion 534 and this second conducting portion 535 are toward each other.
In the present embodiment, this spacer element 532 is an annular, and this first conducting portion 534 and this second conducting portion 535 be positioned among this spacer element 532, and this foreign matter eliminating portion 540 that is opened in this protective layer 54 is a perforate.
Therefore, when having foreign matters such as the dust or the grains of sand on the substrate 55, this each foreign matter just can be discharged by this foreign matter eliminating portion 540.So in the time of on film assembly 53 is arranged at substrate 55, this second film 531 just can be because of have foreign matter and projection on substrate 55, and then more can under press-key structure 50 intact situations, not make first conducting portion 534 of this first film 530 take place to be electrically connected improperly with second conducting portion 535 of this second film 531.
Second embodiment
See also Fig. 6 again, it shows second embodiment of the present utility model.The difference of the present embodiment and first embodiment only is that the foreign matter eliminating portion 540 of this protective layer 54 is a recess, and the component construction of remaining press-key structure 50 is all identical with first embodiment with configuration mode, does not therefore give unnecessary details in addition.
Similarly, when having foreign matters such as the dust or the grains of sand on the substrate 55, this each foreign matter just can drop among this foreign matter eliminating portion 540.So in the time of on film assembly 53 is arranged at substrate 55, this second film 531 just can be because of have foreign matter and projection on substrate 55, and then more can under press-key structure 50 intact situations, not make first conducting portion 534 of this first film 530 take place to be electrically connected improperly with second conducting portion 535 of this second film 531.
In the utility model, this each film can be made by plastic material, and this spacer element is preferable made with plastic material, and this substrate can be metallic plate or plastic plate.
As from the foregoing; the utility model is set up a protective layer that offers foreign matter eliminating portion on substrate; avoid the improper electrical connection that when foreign matter is present between substrate and film, caused so can reduce; make and utilize the keyboard of the utility model press-key structure can keep excellent operation, so have the breakthrough improvement of competitiveness in the certain technical field for this reason of the utility model.
Claims (23)
1. a press-key structure is characterized in that, comprising: a keycap; One elastomer is arranged at this keycap below; One film assembly is arranged under this elastomer, has a switch element; One substrate is arranged under this film assembly, in order to support this film assembly; And a protective layer, be arranged between this film assembly and this substrate, and offer one in order to get rid of the foreign matter eliminating portion of foreign matter between this substrate and this film assembly.
2. press-key structure as claimed in claim 1 is characterized in that, this film assembly comprises a first film, one second film and a spacer element, and this spacer element is arranged between this first film and this second film.
3. press-key structure as claimed in claim 2 is characterized in that, this switch element comprises one first conducting portion and one second conducting portion, and this first conducting portion and this second conducting portion are arranged at respectively on the apparent surface of this first film and this second film.
4. press-key structure as claimed in claim 3 is characterized in that, this spacer element is a ring-type element, and this first conducting portion and this second conducting portion are positioned among this ring-type element.
5. press-key structure as claimed in claim 1 is characterized in that, this foreign matter eliminating portion is a perforate.
6. press-key structure as claimed in claim 5 is characterized in that this perforate penetrates this protective layer.
7. press-key structure as claimed in claim 1 is characterized in that, this first film and this second film are plastic film.
8. press-key structure as claimed in claim 1 is characterized in that, this spacer element is a plastic material.
9. press-key structure as claimed in claim 1 is characterized in that, this substrate is a metallic plate.
10. press-key structure as claimed in claim 1 is characterized in that, this substrate is a plastic plate.
11. a keyboard is characterized in that, comprising: one first button, one first elastomer that it comprises one first keycap and is arranged at this first keycap below; One second button, one second elastomer that it comprises one second keycap and is arranged at this second keycap below; One film assembly is arranged under this first elastomer and this second elastomer, and has one first switch element and a second switch element; One substrate is arranged under this film assembly, in order to support this film assembly; An and protective layer; be arranged between this film assembly and this substrate; and this protective layer offers one first foreign matter eliminating portion and one second foreign matter eliminating portion; this first foreign matter eliminating portion is with respect to this first switch element setting; this second foreign matter eliminating portion is provided with respect to this second switch element; by this each foreign matter eliminating portion, to get rid of the foreign matter between this substrate and this film assembly.
12. keyboard as claimed in claim 11 is characterized in that, this film assembly comprises a first film, one second film, one first spacer element and one second spacer element, and this each spacer element is arranged between this first film and this second film.
13. keyboard as claimed in claim 12 is characterized in that, this first switch element comprises one first conducting portion and one second conducting portion, and this first conducting portion and this second conducting portion are arranged at respectively on the apparent surface of this first film and this second film.
14. keyboard as claimed in claim 13 is characterized in that, this first spacer element is a ring-type element, and this first conducting portion and this second conducting portion are positioned among this ring-type element.
15. keyboard as claimed in claim 12 is characterized in that, this second switch element comprises one the 3rd conducting portion and one the 4th conducting portion, and the 3rd conducting portion and the 4th conducting portion are arranged at respectively on the apparent surface of this first film and this second film.
16. keyboard as claimed in claim 15 is characterized in that, this second spacer element is a ring-type element, and the 3rd conducting portion and the 4th conducting portion are positioned among this ring-type element.
17. keyboard as claimed in claim 11 is characterized in that, this first foreign matter eliminating portion and this second foreign matter eliminating portion respectively are a perforate.
18. keyboard as claimed in claim 17 is characterized in that, at least one perforate penetrates this protective layer.
19. keyboard as claimed in claim 12 is characterized in that, this first film and this second film are plastic film.
20. keyboard as claimed in claim 12 is characterized in that, this first spacer element is a plastic material.
21. keyboard as claimed in claim 12 is characterized in that, this second spacer element is a plastic material.
22. keyboard as claimed in claim 11 is characterized in that, this substrate is a metallic plate.
23. keyboard as claimed in claim 11 is characterized in that, this substrate is a plastic plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520112843 CN2824263Y (en) | 2005-08-01 | 2005-08-01 | Key structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520112843 CN2824263Y (en) | 2005-08-01 | 2005-08-01 | Key structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2824263Y true CN2824263Y (en) | 2006-10-04 |
Family
ID=37033382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520112843 Expired - Fee Related CN2824263Y (en) | 2005-08-01 | 2005-08-01 | Key structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2824263Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414518B (en) * | 2008-12-09 | 2012-02-29 | 嘉兴淳祥电子科技有限公司 | Computer keyboard and molding technique |
| CN108242354A (en) * | 2016-12-27 | 2018-07-03 | 华硕电脑股份有限公司 | Key structure |
| US11087937B2 (en) | 2018-09-19 | 2021-08-10 | Apple Inc. | Interkey support for keyboards |
-
2005
- 2005-08-01 CN CN 200520112843 patent/CN2824263Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101414518B (en) * | 2008-12-09 | 2012-02-29 | 嘉兴淳祥电子科技有限公司 | Computer keyboard and molding technique |
| CN108242354A (en) * | 2016-12-27 | 2018-07-03 | 华硕电脑股份有限公司 | Key structure |
| US10580596B2 (en) | 2016-12-27 | 2020-03-03 | Asustek Computer Inc. | Key structure |
| US11087937B2 (en) | 2018-09-19 | 2021-08-10 | Apple Inc. | Interkey support for keyboards |
| US11823851B2 (en) | 2018-09-19 | 2023-11-21 | Apple Inc. | Interkey support for keyboards |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20120801 |