CN106298325A - Key switch - Google Patents
Key switch Download PDFInfo
- Publication number
- CN106298325A CN106298325A CN201610910176.XA CN201610910176A CN106298325A CN 106298325 A CN106298325 A CN 106298325A CN 201610910176 A CN201610910176 A CN 201610910176A CN 106298325 A CN106298325 A CN 106298325A
- Authority
- CN
- China
- Prior art keywords
- static contact
- movable
- movable contact
- contact spring
- key switch
- 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.)
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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
- H01H13/02—Details
- H01H13/10—Bases; Stationary contacts mounted thereon
Landscapes
- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of key switch, including shell, left static contact that structure is identical and right static contact, button body, movable contact spring, it is additionally provided with base, cover plate it is provided with at the cavities open of shell, in base is arranged on the cavity of shell and fixed by cover plate, movable chamber it is provided with in base, the symmetrical side of base is provided with the strip-shaped clamp groove being connected with movable chamber, left static contact and right static contact screens are fixed in strip-shaped clamp groove, button body is provided with position limiting convex ring, back-moving spring it is provided with between button body and cover plate, movable contact spring is between position limiting convex ring and back-moving spring, left static contact and right static contact are on the lifting track of movable contact spring and the movable press contacts that offsets with movable contact spring.The structure of the present invention arranges rationally, it is ensured that operational stability, solves in conventional art easy clamping stagnation in key switch course of action thus affects the technical deficiency of key switch stability in use, and the suitability is strong and practicality good.
Description
Technical field
The invention belongs to computer housing tamper-proof switching technique field, be specifically related to a kind of key switch.
Background technology
When computer housing uses, in order to ensure its theftproof performance, key switch, the electricity of conventional art the most all can be used
Brain cabinet with key switch its mainly by base, the static contact being arranged on described base and be arranged in described base by
Key axostylus axostyle, is provided with movable contact spring at button axostylus axostyle, is provided with back-moving spring, although it can be certain between button axostylus axostyle and base
Realize the effect of on-off control in degree, but it easily produces clamping stagnation during switch motion, thus button can be affected and hold
The stability in use closed, the suitability and practicality are restricted.
Summary of the invention
It is an object of the invention to provide a kind of structure and arrange rationally, the key switch that stability in use is good, it is intended to solve to pass
In system technology in key switch course of action easy clamping stagnation thus affect the technical deficiency of key switch stability in use.
Realizing the technical scheme of the object of the invention is a kind of key switch, including shell, in being arranged on described shell and knot
Left static contact that structure is identical and right static contact, be provided with cavity in described shell and be provided with button hole on the housing, in institute
It is provided with button body in stating button hole, described button body is provided with movable contact spring, described movable contact spring and described left static contact, right stationary contact
Sheet activity abuts, and is additionally provided with base, is provided with cover plate, the described end at the cavities open of described shell in the cavity of described shell
In seat is arranged on the cavity of described shell and fix by cover plate, in described base, be provided with activity chamber, right at described base
Claiming sidewall to be provided with the strip-shaped clamp groove being connected with described movable chamber, described left static contact and right static contact screens are fixed on bar shaped
Draw-in groove is interior and is welded and fixed, and is provided with and the jack of button hole position consistency on described shell, at described button on described base
Body is provided with position limiting convex ring, and the outboard end of described button body is through jack and button hole stretches out shell and position limiting convex ring is pressed on work
On the roof in dynamic chamber, being provided with back-moving spring between described button body and cover plate, described movable contact spring is in position limiting convex ring and reset
Between spring, described left static contact and right static contact are on the lifting track of movable contact spring and movable offseting with movable contact spring crimps
Touch.
It is described that described left static contact includes that integrated static contact pin and stationary contact follow block, described stationary contact follow block are arranged on
On the side of static contact pin and stationary contact follow block and the setting at a right angle of static contact pin, described static contact pin screens is at described bar
In shape draw-in groove, stationary contact follow block is in movable intracavity and described stationary contact follow block is on the event trace of movable contact spring and lives with movable contact spring
Move and compress contact.
Described right static contact is provided with insert assembly, and described insert assembly is fitted on the stationary contact follow block side of right static contact
And the end face of described insert assembly is pressed on the static contact pin bottom surface of right static contact.
Described movable contact spring includes annular touch panel and is symmetricly set on the movable contact spring at described annular touch panel two ends, described dynamic
Contact is that arc is arranged, and the bottom of arc movable contact spring is fixed with annular touch panel and is connected, and the arc apex of arc movable contact spring is supported
It is pressed on the lateral surface of position limiting convex ring and the arcwall face of arc movable contact spring is pressed on movable cavity wall, lift at described movable contact spring
During action, the arc-shaped side activity of arc movable contact spring compresses on stationary contact follow block.
Being provided with clamping hole on the side of described shell, the lateral surface at described base is provided with convex shape groove, described
It is protruding that the side of convex shape groove is provided with the first screens, is provided with screens plate, on described cover plate on described screens plate
It is provided with the card indent hole matched with described first screens projection and the second screens matched with described clamping hole is protruding, described
Base is fixed in the card indent hole of cover plate by the first screens projection fixing and described base is by the second screens projection screens
Fix in the enclosure in the clamping hole of shell.
The 1/2 of a length of static contact pin length of described stationary contact follow block.
Described movable contact spring and the described one-body molded setting of annular touch panel.
In the middle part of the bottom surface of described position limiting convex ring, it is provided with semicircle compresses projection, support in the middle part of the end face of described annular touch panel
It is pressed in semicircle to compress on projection.
The pocket of bottom surface opening it is provided with in described button body.
Stroke between described movable contact spring and stationary contact follow block is 0.7-1.3mm.
The present invention has positive effect: the structure of the present invention arranges rationally, is provided with strip-shaped clamp groove on base, and left
Static contact and right static contact screens are fixed in strip-shaped clamp groove, so that left static contact and right static contact position are fixed and be in dynamic
In the travel path of contact, thus when button body presses, can effectively prevent catching phenomenon, it is ensured that operational stability, solve
Determined in conventional art in key switch course of action easily clamping stagnation thus affect the technical deficiency of key switch stability in use,
The suitability is strong and practicality good.
Accompanying drawing explanation
In order to make present disclosure be more likely to be clearly understood, below according to specific embodiment and combine accompanying drawing, right
The present invention is described in further detail, wherein:
Fig. 1 is the detonation configuration schematic diagram of the present invention；
Fig. 2 is the cross-sectional view of the present invention.
Detailed description of the invention
(embodiment 1)
Fig. 1 and Fig. 2 shows a kind of detailed description of the invention of the present invention, and wherein Fig. 1 is the detonation configuration signal of the present invention
Figure；Fig. 2 is the cross-sectional view of the present invention.
See Fig. 1 and Fig. 2, a kind of key switch, including shell 1, be arranged on the left stationary contact that described shell 1 is interior and structure is identical
Sheet 2 and right static contact 3, be provided with cavity 4 in described shell 1 and be provided with button hole 5 on described shell 1, at described button hole 5
Inside it is provided with button body 6, described button body 6 is provided with movable contact spring 7, described movable contact spring 7 and described left static contact 2, right static contact 3
Movable abutting, is additionally provided with base 8 in the cavity 4 of described shell 1, and cavity 4 opening part at described shell 1 is provided with cover plate 9, institute
State in base 8 is arranged on the cavity 4 of described shell 1 and fixed by cover plate 9, in described base 8, being provided with movable chamber 10, in institute
The symmetrical side stating base 8 is provided with the strip-shaped clamp groove 11 being connected with described movable chamber 10, described left static contact 2 and right stationary contact
Sheet 3 screens is fixed in strip-shaped clamp groove 11, is provided with and the jack of button hole position consistency on described shell 1 on described base 8
12, described button body 6 is provided with position limiting convex ring 13, outside the outboard end of described button body 6 stretches out through jack 12 and button hole 5
Shell 1 and position limiting convex ring 13 are pressed on the roof in movable chamber 10, are provided with back-moving spring 14 between described button body 6 and cover plate 9,
Described movable contact spring 7 is between position limiting convex ring 13 and back-moving spring 14, and described left static contact 2 and right static contact 3 are in movable contact spring 7
Lifting track on and the movable press contacts that offsets with movable contact spring 7.
Described left static contact 2 includes integrated static contact pin 21 and stationary contact follow block 22, uses this structure, Ke Yitong
Cross static contact pin to carry out screens and fix, and can ensure that the position that stationary contact follow block is in activity is fixed, such that it is able to have
Preventing of effect is mobile or loosening, thus when contacting with movable contact spring, can effectively prevent clamping stagnation situation from occurring, described stationary contact follow block
On 22 sides being arranged on described static contact pin 21 and stationary contact follow block 22 and static contact pin 21 setting at a right angle, described stationary contact
Sheet pin 21 screens is in described strip-shaped clamp groove 11 and is welded and fixed, and stationary contact follow block 22 is in the interior and described stationary contact in movable chamber 10 and supports
Plate 22 is on the event trace of movable contact spring 7 and compresses with movable contact spring 7 activity and contacts.(owing to stationary contact follow block is laminated structure, therefore
And it is a vertical line in Fig. 2 profile)
Described right static contact 3 is provided with insert assembly 25, and described insert assembly 25 is fitted in the stationary contact follow block of right static contact 3
On side and the end face of described insert assembly 25 is pressed on the static contact pin bottom surface of right static contact 3.It is provided with insert assembly, permissible
Ensure the positional stability of right static contact, so that switch motion is smooth without clamping stagnation and action.
Described movable contact spring 7 includes annular touch panel 71 and is symmetricly set on the movable contact spring at described annular touch panel 71 two ends
72, described movable contact spring 72 is arranged for arc, and the bottom of arc movable contact spring 72 is fixed with annular touch panel 71 and is connected, and arc is dynamic to be touched
The arc apex of sheet is pressed on the lateral surface of position limiting convex ring and the arcwall face of arc movable contact spring is pressed on movable cavity wall,
During described movable contact spring lifting action, the arc-shaped side activity of arc movable contact spring compresses on stationary contact follow block.Movable contact spring uses arc to arrange,
It not only can be when button body lifting action, owing to the end points of arcuate structure is pressed on the side of position limiting convex ring and arc knot
The arc-shaped side of structure is pressed on the inwall in movable chamber, such that it is able to holding position is stable, is possible to prevent movable contact spring because tilting or pine
Move thus produce clamping stagnation situation, thus ensure that stability in use and reliability.
Being provided with clamping hole 15 on the side of described shell 1, the lateral surface at described base 8 is provided with convex shape groove 16,
The side of described convex shape groove 16 is provided with the first screens projection 17, described cover plate 9 is provided with screens plate 18, in institute
State screens plate 18 be provided with the card indent hole 19 matched with described first screens projection 17 and match with described clamping hole 15
The the second screens projection 20 closed, described base is fixed by the first screens projection and fixes in the card indent hole of cover plate and the described end
Seat is fixed in the enclosure in the clamping hole of shell by the second screens projection screens.Use this structure can facilitate shell, the end
Dismounting between seat and cover plate, and is less likely to occur to move relative to position so that during movable contact spring action with static contact assembly
Clamping stagnation it is not easy during connection.
The 1/2 of a length of static contact pin length of described stationary contact follow block.
Described movable contact spring and the described one-body molded setting of annular touch panel.
In the middle part of the bottom surface of described position limiting convex ring, it is provided with semicircle compresses projection 23, in the end face of described annular touch panel 71
Portion is pressed on semicircle and compresses on projection 23.Use semicircle to compress projection and coordinate back-moving spring, can effectively prevent annular
Contact run-off the straight or rotation displacement, it is ensured that stability in use and reliability.
The pocket 24 of bottom surface opening it is provided with in described button body.Material can be reduced, thus cost-effective, and and
Hollow, the weight of button body can be reduced, thus the requirement to back-moving spring will decrease.
Stroke between described movable contact spring and stationary contact follow block is 0.7-1.3mm.
The structure of the present invention arranges rationally, is provided with strip-shaped clamp groove on base, and left static contact and right static contact screens
It is fixed in strip-shaped clamp groove, so that left static contact and right static contact position are fixed and are in the travel path of movable contact spring, from
And when button body presses, can effectively prevent catching phenomenon, it is ensured that and operational stability, solve button in conventional art and open
Closing easy clamping stagnation in course of action thus affect the technical deficiency of key switch stability in use, the suitability is strong and practicality good.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and is not right
The restriction of embodiments of the present invention.For those of ordinary skill in the field, the most also may be used
To make other changes in different forms.Here without also cannot all of embodiment be given exhaustive.And these
Belong to obvious change that the connotation of the present invention extended out or variation still falls within protection scope of the present invention.
Claims (10)
1. a key switch, including shell, is arranged on described shell is interior and structure is identical left static contact and right static contact,
It is provided with cavity in described shell and is provided with button hole on the housing, in described button hole, being provided with button body, pressing described
Button body is provided with movable contact spring, and described movable contact spring abuts with described left static contact, right static contact activity, it is characterised in that: described
Being additionally provided with base in the cavity of shell, be provided with cover plate at the cavities open of described shell, described base is arranged on described shell
Cavity in and fixed by cover plate, be provided with in described base activity chamber, the symmetrical side of described base is provided with and institute
Stating the strip-shaped clamp groove that movable chamber is connected, described left static contact and right static contact screens were fixed in strip-shaped clamp groove, at the described end
Seat is provided with and the jack of button hole position consistency on described shell, is provided with position limiting convex ring, described button in described button body
The outboard end of body stretches out shell through jack and button hole and position limiting convex ring is pressed on the roof in movable chamber, in described button body
And being provided with back-moving spring between cover plate, described movable contact spring is between position limiting convex ring and back-moving spring, described left static contact and the right side
Static contact is on the lifting track of movable contact spring and the movable press contacts that offsets with movable contact spring.
Key switch the most according to claim 1, it is characterised in that: described left static contact includes integrated static contact
Pin and stationary contact follow block, described stationary contact follow block is arranged on the side of described static contact pin and stationary contact follow block and static contact pin
Setting at a right angle, described static contact pin screens and is welded and fixed in described strip-shaped clamp groove, and stationary contact follow block is in movable intracavity
And described stationary contact follow block is on the event trace of movable contact spring and compresses with movable contact spring activity and contacts.
Key switch the most according to claim 2, it is characterised in that: described right static contact is provided with insert assembly, described
Insert assembly is fitted on the stationary contact follow block side of right static contact and the end face of described insert assembly is pressed on the quiet of right static contact
Contact pin bottom surface.
Key switch the most according to claim 3, it is characterised in that: described movable contact spring includes that annular touch panel and symmetry set
Putting the movable contact spring at described annular touch panel two ends, described movable contact spring is that arc is arranged, and the bottom of arc movable contact spring and annulus
Shape touch panel is fixing to be connected, and the arc apex of arc movable contact spring is pressed on the lateral surface of position limiting convex ring and the arc of arc movable contact spring
Face is pressed on movable cavity wall, and when described movable contact spring lifting action, the arc-shaped side activity of arc movable contact spring compresses stationary contact and supports
On plate.
Key switch the most according to claim 4, it is characterised in that: on the side of described shell, it is provided with clamping hole,
The lateral surface of described base is provided with convex shape groove, is provided with the first screens protruding, in institute on the side of described convex shape groove
State cover plate and be provided with screens plate, described screens plate is provided with the card indent hole matched with described first screens projection and
The second screens matched with described clamping hole is protruding, and described base is fixed in the card indent hole of cover plate by the first screens projection
Interior fixing and described base is fixed in the enclosure in the clamping hole of shell by the second screens projection screens.
Key switch the most according to claim 5, it is characterised in that: a length of static contact pin of described stationary contact follow block is long
The 1/2 of degree.
Key switch the most according to claim 6, it is characterised in that: described movable contact spring becomes with described annular touch panel one
Type is arranged.
Key switch the most according to claim 7, it is characterised in that: in the middle part of the bottom surface of described position limiting convex ring, it is provided with semicircle
Shape compresses projection, is pressed on semicircle and compresses on projection in the middle part of the end face of described annular touch panel.
Key switch the most according to claim 8, it is characterised in that: it is provided with the cavity of bottom surface opening in described button body
Portion.
Key switch the most according to claim 9, it is characterised in that: the stroke between described movable contact spring and stationary contact follow block
For 0.7-1.3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910176.XA CN106298325B (en) | 2016-10-10 | 2016-10-10 | Key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610910176.XA CN106298325B (en) | 2016-10-10 | 2016-10-10 | Key switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106298325A true CN106298325A (en) | 2017-01-04 |
| CN106298325B CN106298325B (en) | 2019-07-16 |
Family
ID=57719735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610910176.XA Active CN106298325B (en) | 2016-10-10 | 2016-10-10 | Key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106298325B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629189Y (en) * | 2003-05-20 | 2004-07-28 | 富士康(昆山)电脑接插件有限公司 | Switch connector |
| CN101877284A (en) * | 2009-04-29 | 2010-11-03 | 胡寿金 | Anti-theft switch |
| CN203859026U (en) * | 2014-06-04 | 2014-10-01 | 黄山市瑞兴汽车电子有限公司 | Automobile fog lamp switch |
| CN204407219U (en) * | 2015-03-25 | 2015-06-17 | 温州市黎洋电子有限公司 | The antitheft normally closed switch of host computer |
| CN204760281U (en) * | 2015-07-16 | 2015-11-11 | 东莞市鑫钻电子科技有限公司 | Keyboard switch |
| CN206134558U (en) * | 2016-10-10 | 2017-04-26 | 温州市黎洋电子有限公司 | Key switch |
-
2016
- 2016-10-10 CN CN201610910176.XA patent/CN106298325B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2629189Y (en) * | 2003-05-20 | 2004-07-28 | 富士康(昆山)电脑接插件有限公司 | Switch connector |
| CN101877284A (en) * | 2009-04-29 | 2010-11-03 | 胡寿金 | Anti-theft switch |
| CN203859026U (en) * | 2014-06-04 | 2014-10-01 | 黄山市瑞兴汽车电子有限公司 | Automobile fog lamp switch |
| CN204407219U (en) * | 2015-03-25 | 2015-06-17 | 温州市黎洋电子有限公司 | The antitheft normally closed switch of host computer |
| CN204760281U (en) * | 2015-07-16 | 2015-11-11 | 东莞市鑫钻电子科技有限公司 | Keyboard switch |
| CN206134558U (en) * | 2016-10-10 | 2017-04-26 | 温州市黎洋电子有限公司 | Key switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106298325B (en) | 2019-07-16 |
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