CN106935433A - Light and thin type keypad - Google Patents
Light and thin type keypad Download PDFInfo
- Publication number
- CN106935433A CN106935433A CN201710229818.4A CN201710229818A CN106935433A CN 106935433 A CN106935433 A CN 106935433A CN 201710229818 A CN201710229818 A CN 201710229818A CN 106935433 A CN106935433 A CN 106935433A
- Authority
- CN
- China
- Prior art keywords
- light
- pressing
- adhesive layer
- circuit board
- accommodating chamber
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
- H01H13/705—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys
- H01H13/7065—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches characterised by construction, mounting or arrangement of operating parts, e.g. push-buttons or keys characterised by the mechanism between keys and layered keyboards
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/83—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/052—Phosphorescence
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/062—Light conductor
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2227/00—Dimensions; Characteristics
- H01H2227/036—Minimise height
Landscapes
- Push-Button Switches (AREA)
Abstract
The present invention proposes a kind of light and thin type keypad, including elastic pressing layer, and pressing layer includes pressing area and edge, and bending is fixed on circuit board downwards at edge, and pressing chamber is formed between pressing layer and circuit board；Pressing area has first surface and second surface；First surface is set by compression leg, and by having accommodating chamber in compression leg, accommodating chamber upper end open is at second surface；The built-in noctilucence body of accommodating chamber, noctilucence body top sets light-guiding pillar, and light-guiding pillar top connection light-penetration key, button exposes second surface top；First surface is bonded with adhesive layer, and adhesive layer sets bonding reversal film in through hole, through hole, reversal film surface and bonding in through hole；The first static contact and the second static contact are set on circuit board；First surface sets elastic, and elastic extends to circuit board surface through adhesive layer.The present invention realizes dual reset；Noctilucence body absorbs luminous energy, evening automatic luminous daytime；Light-guiding pillar improves the uniformity of light, softer；Photic zone need not be set, simplify structure, improve light and thin degree.
Description
Technical field
The present invention relates to technical field of electric appliances, specifically a kind of light and thin type keypad.
Background technology
With electronics technology continuous research and development with it is progressive, electronic product parts are designed to high-performance, the side of low cost
To development.Therefore, any one in electronic product is improved, as long as helping to simplify structure, being easy to assembling and reduces cost etc.
Effect, is respectively provided with industrial utilization.
Usually, electronic installation, such as computer all include a decorative panel and it is some be fixed on the decorative panel by
Button device, such as power knob, audio button.In many cases, keypad can be used on electronic installation, including multiple realizations are not
The button of congenerous.The LED that can be powered and light often is added in the both sides of key structure, and original by bond
New addition photic zone in structure, photic zone can make the uniform light that the LED of key switch arrangement both sides is distributed intersperse among modeling
The surface of glue key layer, can be such that user is used in the case where night does not have light.
This mode brings the convenience of operation to user, but there is also obstruction keypad simultaneously to frivolous miniaturization hair
The factor of exhibition, due to add can allow LED uniform light distribution photic zone, the whole height of button switch is relative to be increased
Plus, it is allowed to run counter to the trend of keypad miniaturization, and because the increase of height, the comfort level of the operating handle of user also can
Reduce, these hindering factors that will all be improved as keypad.
The content of the invention
The present invention proposes a kind of light and thin type keypad, solves the problems, such as that keypad of the prior art is not frivolous enough.
The technical proposal of the invention is realized in this way：
A kind of light and thin type keypad, including an elasticity pressing layer, the pressing layer includes pressing area and being pressed around described
The edge of nip, edge bending downwards is simultaneously fixed on circuit boards, and pressing chamber is formed between the pressing layer and circuit board；
The pressing area have towards the first surface on the inside of the pressing chamber and with the first surface towards opposite second surface；
The first surface be provided with it is some projection by compression leg, it is described by compression leg have accommodating chamber, the accommodating chamber
Upper end open is at the second surface；
Noctilucence body is equipped with the accommodating chamber, light-guiding pillar, the top of the light-guiding pillar are provided with above the noctilucence body
End is connected with the button of printing opacity, and the button exposes the second surface top；
Be bonded with adhesive layer on the first surface, the adhesive layer have the upper surface that is bonded with the first surface and
The lower surface opposite with the upper surface；The adhesive layer is provided with by the following table upwardly with the part relative by compression leg
Surface indentation simultaneously runs through the through hole of the adhesive layer；
Reversal film is bonded with the through hole, the reversal film is a conductive metal sheet for dome-like structure, it is described anti-
The domed surface of rotor is bonded with through hole inside；
The first static contact and the second static contact are provided with the circuit board corresponding with the reversal film；
The first surface is provided with the elastic of some projections, and the elastic extends to the electricity through the adhesive layer
The surface of road plate.
Further, the noctilucence body is formed to mix luminescent powder solidification in resin material.
Further, the pressing layer, be integrally formed by silicone material by compression leg and elastic and be made.
Further, the adhesive layer is bending deformed thin slice.
Further, the edge is fixed on circuit boards by screw.
Beneficial effects of the present invention are：
Light and thin type keypad simple structure of the invention, it is reasonable in design；Dual reset is realized by elastic and reversal film, really
In the case of protecting any of which failure, button remains to realize reset function, it is to avoid button dieback, it is ensured that normal work；Noctilucence body
In luminescent powder luminous energy, evening automatic luminous are absorbed on daytime, it is ensured that evening still can be with convenient use keypad；Light-guiding pillar is by night
The light that body of light sends is projected after being reflected repeatedly by the button of printing opacity, improves the uniformity of light, softer, it is to avoid to damage people
Eye；Photic zone need not be set, simplify structure, improve light and thin degree.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of one embodiment of the invention；
Fig. 2 is the enlarged diagram of part-structure in Fig. 1.
Wherein：
1st, pressing area；2nd, edge；3rd, circuit board；4th, screw；5th, chamber is pressed；6th, first surface；7th, second surface；8th, press
Post；9th, accommodating chamber；10th, noctilucence body；11st, light-guiding pillar；12nd, button；13rd, adhesive layer；14th, the first static contact；15th, the second stationary contact
Head；16th, upper surface；17th, lower surface；18th, elastic；19th, through hole；20th, reversal film.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As shown in Figure 1-2, the pressing layer of the light and thin type keypad in the present embodiment, an including elasticity, the pressing layer bag
Pressing area 1 and the edge 2 around the pressing area 1 are included, the edge 2 bends and be fixed on circuit board 3, the present embodiment downwards
In, the edge 2 is fixed on circuit board 3 by screw 4.
Pressing chamber 5 is formed between the pressing layer and circuit board 3；The pressing area 1 has towards the inner side of the pressing chamber 5
First surface 6 and with the first surface 6 towards opposite second surface 7.The first surface 6 be provided with it is some projection by
Compression leg 8, described by having accommodating chamber 9 in compression leg 8, in the present embodiment, accommodating chamber 9 is cylinder, and the upper end of the accommodating chamber 9 is opened
Mouth is at the second surface 7.Noctilucence body 10 is equipped with the accommodating chamber 9, in the present embodiment, the noctilucence body 10 is resin
Mix luminescent powder solidification in material to form, can as needed select the color of Noctilucent material, to realize effect more attractive in appearance；
Here noctilucence body 10 is discoid, is just placed in the bottom of the accommodating chamber 9.
The top of the noctilucence body 10 is provided with light-guiding pillar 11, and in the present embodiment, light-guiding pillar 11 is cylinder, is just housed
In the inside of the accommodating chamber 9；The top of the light-guiding pillar 11 is connected with the button 12 of printing opacity, and the button 12 exposes described
The top of two surface 7；In the present embodiment, the surface of button 12 is arcwall face, protrudes second surface 7, is easy to observation and by tactile, button
The signs such as word or figure can be arranged as required on 12.Here light-guiding pillar 11 and button 12 can be integrally formed,
Directly it is sticked in the accommodating chamber 9 by light-guiding pillar 11.
Adhesive layer 13 is bonded with the first surface 6, the adhesive layer 13 is bending deformed thin slice.The bonding
Layer 13 has the upper surface 16 and the lower surface 17 opposite with the upper surface 16 bonded with the first surface 6；The bonding
Layer 13 is provided with from the lower surface 17 with the part relative by compression leg 8 and be recessed to upper surface 16 and run through the adhesive layer
Through hole 19.Reversal film 20 is bonded with the through hole 19, the reversal film 20 is a conductive metal sheet for dome-like structure,
The domed surface of the reversal film 20 and the bonding of the inside of the through hole 19；On the circuit board 3 corresponding with the reversal film 20
It is provided with the first static contact 14 and the second static contact 15.Moved down when by compression leg 8, the upset of the stress deformation of reversal film 20 is quiet by first
The static contact 15 of contact 14 and second is electrically connected；When external force is removed, reversal film 20 resets naturally, by the first static contact 14 and second
Static contact 15 disconnects.
The first surface 6 is provided with the elastic 18 of some projections, and the elastic 18 extends through the adhesive layer 13
To the surface of the circuit board 3.When pressed by external force button 12, the stress of elastic 18 deforms upon bending；When external force is removed,
Elastic 18 restores to the original state, it is also possible to play a part of to be resetted by compression leg 8.
In the present embodiment, the pressing layer, it is integrally formed by silicone material and is made by compression leg 8 and elastic 18, is had
Translucency, it is ensured that noctilucence body 10 can absorb the luminous energy of abundance.
When the present embodiment is used, with hand pressing keys 12, drive is moved by compression leg 8 to circuit board 3, and the stress of reversal film 20 becomes
Shape is overturn, and the first static contact 14 and the second static contact 15 are electrically connected, and electric signal is sent to circuit board 3；After loosing one's grip, reversal film 20
Naturally the elastic force that the elastic force and pressing layer that the power of reversion reset, elastic 18 reset reset in itself is caused by compression leg 8 away from circuit
Plate 3 so that reversal film 20 disconnects with the first static contact 14 and the second static contact 15.
The present embodiment realizes dual reset by elastic 18 and reversal film 20, it is ensured that in the case of any of which failure, press
Button remains to realize reset function, it is to avoid button dieback, it is ensured that normal work；Luminescent powder in noctilucence body 10 absorbs light on daytime
Can, evening automatic luminous, it is ensured that evening still can be with the disk of convenient use button 12；The light that light-guiding pillar 11 sends noctilucence body 10 is carried out
Projected by the button 12 of printing opacity after reflecting repeatedly, improve the uniformity of light, it is softer, it is to avoid to damage human eye；It is saturating without setting
Photosphere, simplifies structure, improves light and thin degree.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in essence of the invention
Within god and principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (5)
1. a kind of light and thin type keypad, it is characterised in that the pressing layer including an elasticity, the pressing layer includes pressing area and encloses
Around the edge of the pressing area, edge bending downwards is simultaneously fixed on circuit boards, shape between the pressing layer and circuit board
Into pressing chamber；The pressing area has towards the first surface on the inside of the pressing chamber and with the first surface towards opposite
Second surface；
The first surface be provided with it is some projection by compression leg, it is described by compression leg have accommodating chamber, the upper end of the accommodating chamber
It is opened at the second surface；
Noctilucence body is equipped with the accommodating chamber, light-guiding pillar is provided with above the noctilucence body, the top of the light-guiding pillar connects
The button of printing opacity is connected to, the button exposes the second surface top；
Be bonded with adhesive layer on the first surface, the adhesive layer have the upper surface that is bonded with the first surface and with institute
State the opposite lower surface in upper surface；The adhesive layer and the part relative by compression leg are provided with by following table surface upwardly
It is recessed and runs through the through hole of the adhesive layer；
Reversal film is bonded with the through hole, the reversal film is a conductive metal sheet for dome-like structure, the reversal film
Domed surface and the through hole inside bonding；
The first static contact and the second static contact are provided with the circuit board corresponding with institute reversal film；
The first surface is provided with the elastic of some projections, and the elastic extends to the circuit board through the adhesive layer
Surface.
2. light and thin type keypad as claimed in claim 1, it is characterised in that the noctilucence body is to mix noctilucence in resin material
Powder solidification is formed.
3. light and thin type keypad as claimed in claim 2, it is characterised in that the pressing layer, by compression leg and elastic by silicon
Resin material is integrally formed and is made.
4. light and thin type keypad as claimed in claim 3, it is characterised in that the adhesive layer is bending deformed thin slice.
5. light and thin type keypad as claimed in claim 4, it is characterised in that the edge is fixed on circuit boards by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229818.4A CN106935433A (en) | 2017-04-10 | 2017-04-10 | Light and thin type keypad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229818.4A CN106935433A (en) | 2017-04-10 | 2017-04-10 | Light and thin type keypad |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106935433A true CN106935433A (en) | 2017-07-07 |
Family
ID=59426237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710229818.4A Pending CN106935433A (en) | 2017-04-10 | 2017-04-10 | Light and thin type keypad |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106935433A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988088A (en) * | 2005-12-22 | 2007-06-27 | 阿尔卑斯电气株式会社 | Switch device |
| CN201448661U (en) * | 2009-08-13 | 2010-05-05 | 鹤山丽得电子实业有限公司 | Large power LED bulb with light guide column |
| CN101777451A (en) * | 2009-01-13 | 2010-07-14 | 富士康(昆山)电脑接插件有限公司 | Button switch |
| CN201655611U (en) * | 2010-03-18 | 2010-11-24 | 苏州朗博电子科技有限公司 | Computer keyboard |
| CN201725701U (en) * | 2010-01-20 | 2011-01-26 | 毅嘉科技股份有限公司 | Light-storing key structure |
| CN102054615A (en) * | 2009-11-02 | 2011-05-11 | 阿尔卑斯电气株式会社 | Contact-point spring leaf |
| CN203820220U (en) * | 2014-04-25 | 2014-09-10 | 苏州歌拉瑞电梯有限公司 | Ultrathin micro-moving elevator button |
| CN204558322U (en) * | 2015-04-03 | 2015-08-12 | 淄博职业学院 | Luminous keyboard |
| CN205810630U (en) * | 2016-06-30 | 2016-12-14 | 维沃移动通信有限公司 | Thin film switch and mobile terminal |
-
2017
- 2017-04-10 CN CN201710229818.4A patent/CN106935433A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1988088A (en) * | 2005-12-22 | 2007-06-27 | 阿尔卑斯电气株式会社 | Switch device |
| CN101777451A (en) * | 2009-01-13 | 2010-07-14 | 富士康(昆山)电脑接插件有限公司 | Button switch |
| CN201448661U (en) * | 2009-08-13 | 2010-05-05 | 鹤山丽得电子实业有限公司 | Large power LED bulb with light guide column |
| CN102054615A (en) * | 2009-11-02 | 2011-05-11 | 阿尔卑斯电气株式会社 | Contact-point spring leaf |
| CN201725701U (en) * | 2010-01-20 | 2011-01-26 | 毅嘉科技股份有限公司 | Light-storing key structure |
| CN201655611U (en) * | 2010-03-18 | 2010-11-24 | 苏州朗博电子科技有限公司 | Computer keyboard |
| CN203820220U (en) * | 2014-04-25 | 2014-09-10 | 苏州歌拉瑞电梯有限公司 | Ultrathin micro-moving elevator button |
| CN204558322U (en) * | 2015-04-03 | 2015-08-12 | 淄博职业学院 | Luminous keyboard |
| CN205810630U (en) * | 2016-06-30 | 2016-12-14 | 维沃移动通信有限公司 | Thin film switch and mobile terminal |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170707 |