CN100524175C - Flexible keystroke structure - Google Patents
Flexible keystroke structure Download PDFInfo
- Publication number
- CN100524175C CN100524175C CNB2006100516171A CN200610051617A CN100524175C CN 100524175 C CN100524175 C CN 100524175C CN B2006100516171 A CNB2006100516171 A CN B2006100516171A CN 200610051617 A CN200610051617 A CN 200610051617A CN 100524175 C CN100524175 C CN 100524175C
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- China
- Prior art keywords
- film
- insulation film
- conductive electrode
- film conductive
- upper shell
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- Expired - Fee Related
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Abstract
The invention relates to a flexible key structure, which comprises a conductor, upper and lower frames, wherein the circumferences of upper and lower frames are sealed and clamped with first and second insulated films of film conductive electrode; the upper frame has lower groove embedded with conductor; via external pressure of upper frame, the upper frame transmits pressure to deform the conductor, to decrease the position of conductor, to contact the upper surface of first insulated film and the film conductive electrode; the first insulated film and above film conductive electrode will bend to the lower frame and make the film conductive electrode powered via conductor; when the pressure is removed, via the flexibility of upper frame and first insulated film, the key will be returned to original shape, to cutoff circuit. The invention has simple key structure, long service life and reduced corrosion on conductor.
Description
Technical field
The present invention relates to a kind of flexible keystroke structure, particularly the flexible film circuit structure that is adopted in the computor-keyboard structure at the low clearance requirement.
Background technology
The structure of the keyboard that generally uses has two kinds at present, a kind of is the trilamellar membrane structure, promptly on two flexible insulation films, coat the two poles of the earth of conductive material on the two relative face accordingly respectively, the two poles of the earth all have lead to draw, and have one at correspondence position the dielectric film in some holes to be arranged between two films, form air insulation between two electrodes up and down, when button, the two poles of the earth of the conductive material on two films can be connected, come the definition key position with this.Another kind is a single-layer membrane structure, promptly on a film, print the two poles of the earth of the button position conductive material that does not communicate that require and that represent the key position, when conductive material contacts these the two poles of the earth,, thereby judge or the strong position of definition because of contact causes the electric capacity or the resistance variations of circuit.Above keyboard structure, the shortcoming that the electrode cable length of arrangement wire is big, materials used is many.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of feel good at above-mentioned prior art deficiency, and anti-steam agglutinates, a kind of flexible keystroke structure with low cost.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of flexible keystroke structure, comprise equipped mutually electric conductor, upper shell and lower house, the technical measures of taking comprise: described upper shell and lower house periphery sealing clamping are coated with first insulation film and second insulation film of film conductive electrode respectively; Upper shell has at least one independently push-button unit, and this push-button unit correspondence position has low groove structure setting-in or is pasted with electric conductor.The upper shell of button and lower house can pass through the mode of heat fusion or glue stickup in conjunction with forming airtight space.The technical measures of taking also comprise:
Be shaped on center pit respectively on the relevant position on first insulation film and second insulation film; The first insulation film center pit is positioned at the film conductive electrode layer top of second insulation film, and the second insulation film center pit is positioned at the film conductive electrode layer below of first insulation film.
First insulation film and two film conductive electrodes above second insulation film are parallel to each other.
First insulation film and two film conductive electrode pressurized deformation above second insulation film and part is in same plane.
Upper shell externally under the pressure effect, transmits pressure and causes electric conductor generation type to become, and causes the electric conductor locus to descend, and finally touches the upper surface and the film conductive electrode of first insulation film.
When the downward housing direction of first insulation film electric conductor above being subjected to pushed, the film conductive electrode above first insulation film reaches the together crooked deformation of housing direction downwards also finally made film conductive electrode and film conductive electrode pass through electric conductor and turning circuit.
Upper shell and lower house can pass through the mode combination that heat merges or glue is pasted, and form airtight space.
Compared with prior art, the present invention is owing to adopted above-mentioned solution, and button is not only simple in structure, economical with materials, and highly sensitive, easy to operate, the sound is minimum during key tap, long service life.And in use,, can not rest on the membrane electrode for a long time even there is low amounts of water to enter housing yet.The process of the continuous deformation of insulation film can guide water to enter in the hole of lower floor's insulation film, and is final because surface tension effects makes water rest on lower house between lower floor's insulation film.Thereby effectively reduce owing to of the corrosion of liquid such as water, acid to conductive electrode.
Description of drawings
Fig. 1 is an embodiment of the invention sectional structure synoptic diagram;
Fig. 2 is the left TV structure synoptic diagram of Fig. 1;
Fig. 3 is the three-dimensional exploded perspective view of embodiment of the invention sectional structure:
Fig. 4 is the three-dimensional exploded perspective view of the many press-key structures of the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～4, a kind of flexible keystroke structure comprises equipped mutually electric conductor, upper shell 1 and lower house 5, and upper shell 1 and lower house 5 peripheries sealing clamping are coated with first insulation film 3 and second insulation film 4 of film conductive electrode 6 respectively; Upper shell 1 has the low groove structure to be embedded with electric conductor 2.Be shaped on center pit respectively on the relevant position on first insulation film 3 and second insulation film 4; First insulation film, 3 center pits are positioned at the film conductive electrode layer top of second insulation film 4, and second insulation film, 4 center pits are positioned at the film conductive electrode layer below of first insulation film 3.
Fig. 1, general structure synoptic diagram shown in Figure 2, in use, when with the light finger touch of key-press, pliable and tough by button, upper shell 1 is under the situation of user's work in order to pressure, together with electric conductor 2 deformation, cause electric conductor 2 locus to descend, and finally touch the upper surface and the film conductive electrode 7 of first insulation film 3.Electric conductor 2 is when push by lower house 5 directions above being subjected to for first insulation film 3, and first insulation film 3 and top film conductive electrode 7 can together also finally make film conductive electrode 6 and part film conductive electrode 7 be in same plane to the crooked deformation of lower house 5 directions.In this way, electric conductor 2 is because of touching film conductive electrode 6 simultaneously and film conductive electrode 7 gets final product light turning circuit.When loosing one's grip, promptly when pressure is removed, because upper shell 1, the intrinsic elasticity of first insulation film 3 make button recover initial shape.When the time comes, electric conductor 2 separates voluntarily with film conductive electrode 6 and film conductive electrode 7 successively, is in different planes respectively and cuts off path, reaches the purpose that opens circuit.
Fig. 4 is the three-dimensional exploded perspective view of the many press-key structures of the embodiment of the invention.Upper shell 1 has two independently push-button units, correspondence position low groove structure setting-in or be pasted with two independently electric conductors 2, and other structures are identical.
Owing to adopted above-mentioned solution, button is not only simple in structure, economical with materials, and highly sensitive, easy to operate, the sound is minimum during key tap, long service life.And in use,, can not rest on the membrane electrode for a long time even there is low amounts of water to enter housing yet.The process of the continuous deformation of insulation film can guide water to enter in the hole of lower floor's insulation film, and is final because surface tension effects makes water rest on lower house between lower floor's insulation film.Thereby effectively reduce owing to of the corrosion of liquid such as water, acid to conductive electrode.
Though the present invention illustrates and describes by the reference preferred embodiment,, those skilled in the art should understand, and in the scope of claims, can do the various variation on form and the details.
Claims (2)
1, a kind of flexible keystroke structure, comprise equipped mutually upper shell (1) and lower house (5), it is characterized in that: described upper shell (1) and lower house (5) periphery sealing clamping are coated with first insulation film (3) and second insulation film (4) of film conductive electrode (7,6) respectively; Described upper shell (1) has at least one independently push-button unit, and this push-button unit correspondence position has low groove structure setting-in or is pasted with electric conductor (2);
Be shaped on center pit respectively on the relevant position on described first insulation film (3) and second insulation film (4); First insulation film (3) center pit is positioned at the film conductive electrode layer top of second insulation film (4), and second insulation film (4) center pit is positioned at the film conductive electrode layer below of first insulation film (3);
Film conductive electrode (7) above described first insulation film (3) and the film conductive electrode (6) above second insulation film (4) parallel;
Film conductive electrode (7) pressurized deformation above described first insulation film (3) and be in same plane with film conductive electrode (6) part above second insulation film (4);
Described upper shell (1) is externally under the pressure effect, cause described electric conductor (2) to descend and contact first insulation film (3) and on film conductive electrode (7), this first insulation film (3) and the film conductive electrode (7) on it are together crooked and finally make film conductive electrode (7,6) on two insulation films (3,4) by electric conductor (2) and turning circuit to lower house (5) direction.
2, a kind of flexible keystroke structure according to claim 1 is characterized in that: the mode combination that described upper shell (1) and lower house (5) are pasted by heat fusion or glue, and form airtight space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100516171A CN100524175C (en) | 2006-05-25 | 2006-05-25 | Flexible keystroke structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100516171A CN100524175C (en) | 2006-05-25 | 2006-05-25 | Flexible keystroke structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1885245A CN1885245A (en) | 2006-12-27 |
| CN100524175C true CN100524175C (en) | 2009-08-05 |
Family
ID=37583412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100516171A Expired - Fee Related CN100524175C (en) | 2006-05-25 | 2006-05-25 | Flexible keystroke structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100524175C (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103092354B (en) * | 2011-11-07 | 2015-12-02 | 联想(北京)有限公司 | A kind of electronic equipment, multifunction push key and keyboard |
| TWI453637B (en) * | 2011-12-16 | 2014-09-21 | Kinpo Elect Inc | Key structure |
| CN105653088B (en) * | 2015-12-25 | 2020-05-19 | 芜湖伦丰电子科技有限公司 | 3D resistance pressure touch screen and touch membrane structure |
| US11133136B2 (en) | 2017-06-20 | 2021-09-28 | Fujikura Ltd. | Switch |
-
2006
- 2006-05-25 CN CNB2006100516171A patent/CN100524175C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1885245A (en) | 2006-12-27 |
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Legal Events
| 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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090805 Termination date: 20110525 |