CN107863263A - A kind of button assembly - Google Patents
A kind of button assembly Download PDFInfo
- Publication number
- CN107863263A CN107863263A CN201711291268.5A CN201711291268A CN107863263A CN 107863263 A CN107863263 A CN 107863263A CN 201711291268 A CN201711291268 A CN 201711291268A CN 107863263 A CN107863263 A CN 107863263A
- Authority
- CN
- China
- Prior art keywords
- button
- plastic casing
- fixing groove
- button assembly
- holding parts
- 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
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of button assembly, the button assembly includes：The plastic casing of button and the cladding button, the plastic casing are provided with through hole, and the button is placed in the through hole, it is characterized in that, fixing groove is additionally provided with the plastic casing, the button is retained in the fixing groove, and the plastic casing lower end is provided with conductive coating.By said structure, while any space length is not increased, creep age distance is added.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of button assembly.
Background technology
Silica gel push-button is using the silica gel button product made as raw material.Silica gel push-button have excellent heat resistance,
The features such as cold resistance, environment resistant, electric insulating quality, fatigue durability, and often it is used in electronic calculator, remote control, phone
Machine, radiophone, electronic toy, computor-keyboard, learning machine button, scrambler button, among digital product button.Using
During, safely discharged to solve harmful electrostatic that may be present, avoid the electronic component of sensitivity undermined, can be in silica gel
Screen layer is added on button, in case button is by the Radio frequency interference and electromagnetic interference of surrounding environment.
Present inventor has found in long-term research and development, as shown in fig. 1, in the prior art, in silica gel push-button 10
The lower end of plastic casing 11 be provided with conductive coating 12, now only (generally, thickness A is chlamydate thickness A creep age distance
2MM), this distance does not reach test request much, can not pass through electrostatic/electric discharge in pressure-resistant and electromagnetic compatibility (standard YY0505)
Deng test., can heavy damage shell if the conductive paint of the plastic casing lower end of button is removed in order to increase creep age distance
Shielding action.
The content of the invention
The present invention solves the technical problem of a kind of button assembly is provided, do not increasing the same of any space length
When, add creep age distance.
In order to solve the above technical problems, one aspect of the present invention is：A kind of button assembly, key group are provided
Part includes：Button and the plastic casing for coating button, plastic casing are provided with through hole, and button is placed in through hole, and its feature exists
In being additionally provided with fixing groove in plastic casing, button is retained in fixing groove, and plastic casing lower end is provided with conductive coating.
Wherein, plastic casing left and right ends are all provided with jagged, and lower end of the conductive coating along plastic casing both ends breach is set.
Wherein, conductive coating prolongs plastic casing lower end and continuously set.
Wherein, fixing groove includes the first fixing groove and the second fixing groove.
Wherein, button includes press section, the first holding parts and the second holding parts, the first holding parts and the second hlding part
It is not fixed in the first fixing groove and the second fixing groove, and the first holding parts and the second holding parts length are identical.
Wherein, button assembly also includes：Button conductive contact, button conductive contact are located at button lower end.
Wherein, button is silica gel push-button.
In order to solve the above technical problems, another technical solution used in the present invention is：A kind of key device is provided, this is pressed
Key apparatus includes above-mentioned button assembly, and the circuit board being placed in below button assembly.
The beneficial effects of the invention are as follows：By the way that button is retained in the fixing groove of plastic casing, and under plastic casing
End sets conductive coating, while any space length is not increased, adds creep age distance, makes it easier to survey by standard
Examination.
Brief description of the drawings
In order to illustrate the embodiments of the present invention more clearly, the required accompanying drawing used in embodiment will be done simply below
Introduce, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ordinary skill people
For member, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the present embodiment of technology button assembly one；
Fig. 2 is the structural representation of the embodiment of button assembly one of the present invention；
Fig. 3 is the structural representation of the embodiment of key device one of the present invention.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly completely described, it is clear that described embodiment is only this
Invention part of the embodiment, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
Under the premise of making creative work, other all embodiments for being obtained belong to the scope of the present invention.
With reference to figure 2, Fig. 2 is the structural representation of the embodiment of button assembly one of the present invention.As illustrated, button assembly 20 wraps
Include：Button 21 and the plastic casing 22 for coating button 21, plastic casing 22 are provided with through hole 220, and button 21 is placed in through hole 220
In.Fixing groove 221 is additionally provided with plastic casing 22, button 21 is retained in fixing groove 221, and the lower end of plastic casing 22, which is provided with, leads
Electrocoat 23.Optionally, button 21 is silica gel push-button.
Button assembly 20 is often used in electronic calculator, remote control, telephone set, radiophone, electronic toy, computer
Keyboard, learning machine button, scrambler button, among digital product button, in order to avoid the electronic component of sensitivity is undermined, it can exist
Screen layer is added in button assembly 20, in the present embodiment, screen layer is conductive coating 23.Set and lead on the surface of plastic casing 22
Electric material, the control of electromagnetic radiation in electromagnetic interference (ElectromagneticInterference, EMI) is played important
Effect.
Optionally, the left and right ends of plastic casing 22 are all provided with jagged 222, and conductive coating 23 is along the both ends breach of plastic casing 22
Lower end set.In order to avoid button assembly 20 is prolonged plastics by the Radio frequency interference and electromagnetic interference of surrounding environment, conductive coating 23
The lower end of shell 22 is continuously set.
The fixing groove 221 of plastic casing 22 further comprises：First fixing groove 221 (a) and the first fixing groove 221 (b), use
In fixed button 21.Optionally, the length and width of the first fixing groove 221 (a) and the first fixing groove 221 (b) can with identical,
Can be different according to the size of required fixed button.
Button 21 further comprises：Press section 210, the first holding parts 211 (a) and the second holding parts 211 (b), first
Holding parts 211 (a) and the second holding parts 211 (b) are individually fixed in the first fixing groove 221 (a) and the second fixing groove 221 (b),
And first holding parts 211 (a) and the second holding parts 211 (b) length it is identical.In a particular application, when user is to press section 210
Apply external force, button 21 drives plastic casing 22 to move down so that button assembly and circuit board contacts.
Further, button assembly 20 also includes button conductive contact 24, and button conductive contact 24 is located at the lower end of button 21.
When button 21 drives plastic casing 22 to move down, button conductive contact 24 is connected with circuit board, circuit turn-on.
As shown in Fig. 2 in the specific implementation process of the present invention, the thickness A of plastic casing 22 is 1mm, plastic casing 22
The width B of first fixing groove 221 (a) and the first fixing groove 221 (b) is 3mm, and the width D of the press section 210 of button 21 is
The distance between 3mm, the top and the lower end of plastic casing 22 of the fixing groove 221 of plastic casing 22 C are 2mm, under fixing groove 221
The distance between the conductive coating 23 of end and the lower end of plastic casing 22 E is 1mm, can be obtained according to the calculation of creep age distance
Go out, the creep age distance of button assembly is A+B+C+B=9mm, and now, creep age distance is easy for meeting pressure-resistant and electromagnetic compatibility
The test request such as electrostatic/electric discharge in (GB9706.1-2007, standard YY0505), in the present embodiment, the length of conductive coating 23
Do not destroy, and the perforate distance or 3mm of plastic casing 22, it is not affected, is not increasing any space length
While, creep age distance is added, makes it easier to pass through standard testing.
Wherein, between creep age distance refers to two conductive parts measured along insulating surface, under different service conditions,
Because the insulating materials around conductor is electrically polarized, cause insulating materials that the live zone of electrification phenomenon is presented.It is adjacent to refer specifically to two
Conductor or a conductor and the beeline measured along insulating surface on adjacent motor casing surface.In the present embodiment, climb electricity away from
From the beeline measured along insulating surface for conductive coating 23 and the surface of plastic casing 22, i.e. A+B+C+B length.
With reference to figure 3, Fig. 3 is the structural representation of the embodiment of key device one of the present invention, as illustrated, key device 30 wraps
Button assembly 31 is included, and is placed in the circuit board 32 of the lower section of button assembly 31.Wherein, button assembly 31 include button 311 and
The plastic casing 312 of button 311 is coated, plastic casing 312 is provided with through hole (not marking), and button 311 is placed in through hole.Outside plastics
Fixing groove (not marking) is additionally provided with shell 312, button 311 is retained in fixing groove, and the lower end of plastic casing 312 is provided with conductive coating
313；Button assembly 31 also includes button conductive contact 314, and button conductive contact 314 is located at the lower end of button 311, and button 311 is
Silica gel push-button.It can be drawn according to the calculation of creep age distance, the creep age distance of button assembly is A+B+C+B, such as：A=
1mm, B=1mm, C=1mm, then the creep age distance of the key device is A+B+C+B=9mm, meets pressure-resistant and electromagnetic compatibility
The test request such as electrostatic/electric discharge in (GB9706.1-2007, standard YY0505).
Embodiments of the present invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this
The equivalent structure or equivalent flow conversion that description of the invention and accompanying drawing content are made, or directly or indirectly it is used in other correlations
Technical field, it is included within the scope of the present invention.
Claims (8)
1. a kind of button assembly, the button assembly includes：The plastic casing of button and the cladding button, outside the plastics
Shell is provided with through hole, and the button is placed in the through hole, it is characterised in that fixing groove, institute are additionally provided with the plastic casing
State button to be retained in the fixing groove, the plastic casing lower end is provided with conductive coating.
2. button assembly according to claim 1, the plastic casing left and right ends are all provided with jagged, the conductive coating
Set along the lower end of plastic casing both ends breach.
3. button assembly according to claim 2, the conductive coating prolongs the plastic casing lower end and continuously set.
4. according to the button assembly described in right 3, it is characterised in that the fixing groove includes the first fixing groove and second and fixed
Groove.
5. button assembly according to claim 4, it is characterised in that the button include press section, the first holding parts with
And second holding parts, first holding parts and the second holding parts are individually fixed in first fixing groove and the second fixing groove
It is interior, and first holding parts and the second holding parts length are identical.
6. according to the button assembly described in right 5, it is characterised in that the button assembly also includes：Button conductive contact, it is described
Button conductive contact is located at the button lower end.
7. button assembly according to claim 6, it is characterised in that the button is silica gel push-button.
A kind of 8. key device, it is characterised in that the key device includes the button assembly described in claim 1-7, and
The circuit board being placed in below the button assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291268.5A CN107863263A (en) | 2017-12-08 | 2017-12-08 | A kind of button assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711291268.5A CN107863263A (en) | 2017-12-08 | 2017-12-08 | A kind of button assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107863263A true CN107863263A (en) | 2018-03-30 |
Family
ID=61705175
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711291268.5A Pending CN107863263A (en) | 2017-12-08 | 2017-12-08 | A kind of button assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107863263A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0404155B1 (en) * | 1989-06-23 | 1997-05-14 | Kabushiki Kaisha Toshiba | Portable electronic apparatus with a keyboard |
| JPH11149843A (en) * | 1997-11-14 | 1999-06-02 | Mitsubishi Electric Corp | Switch structure of remote controller |
| JPH11232956A (en) * | 1998-02-17 | 1999-08-27 | Seiko Precision Inc | Sheet switch provided with el |
| US20130329396A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Electronic Device With Electromagnetic Sheilding |
| CN206098232U (en) * | 2016-08-25 | 2017-04-12 | 浙江大华技术股份有限公司 | Waterproof pushbutton and electron device |
| CN207542120U (en) * | 2017-12-08 | 2018-06-26 | 武汉浩宏科技有限公司 | A kind of button assembly |
-
2017
- 2017-12-08 CN CN201711291268.5A patent/CN107863263A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0404155B1 (en) * | 1989-06-23 | 1997-05-14 | Kabushiki Kaisha Toshiba | Portable electronic apparatus with a keyboard |
| JPH11149843A (en) * | 1997-11-14 | 1999-06-02 | Mitsubishi Electric Corp | Switch structure of remote controller |
| JPH11232956A (en) * | 1998-02-17 | 1999-08-27 | Seiko Precision Inc | Sheet switch provided with el |
| US20130329396A1 (en) * | 2012-06-08 | 2013-12-12 | Apple Inc. | Electronic Device With Electromagnetic Sheilding |
| CN206098232U (en) * | 2016-08-25 | 2017-04-12 | 浙江大华技术股份有限公司 | Waterproof pushbutton and electron device |
| CN207542120U (en) * | 2017-12-08 | 2018-06-26 | 武汉浩宏科技有限公司 | A kind of button assembly |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180330 |