CN106298325B - Key switch - Google Patents
Key switch Download PDFInfo
- Publication number
- CN106298325B CN106298325B CN201610910176.XA CN201610910176A CN106298325B CN 106298325 B CN106298325 B CN 106298325B CN 201610910176 A CN201610910176 A CN 201610910176A CN 106298325 B CN106298325 B CN 106298325B
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- CN
- China
- Prior art keywords
- static contact
- movable contact
- shell
- contact spring
- movable
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- 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
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- 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
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- Push-Button Switches (AREA)
Abstract
The invention discloses a kind of key switches, including shell, the identical left static contact of structure and right static contact, button body, movable contact spring, it is additionally provided with pedestal, cover board is equipped at the cavities open of shell, pedestal is arranged in the cavity of shell and is fixed by cover board, movable chamber is equipped in pedestal, the strip-shaped clamp groove being connected with movable chamber is equipped on the symmetrical side of pedestal, left static contact and right static contact detent are fixed in strip-shaped clamp groove, position limiting convex ring is equipped in button body, reset spring is equipped between button body and cover board, movable contact spring is between position limiting convex ring and reset spring, left static contact and right static contact, which are on the lifting track of movable contact spring and compress with movable contact spring activity, to be contacted.Structure setting of the invention is reasonable, ensure that operational stability, solves in traditional technology and to be easy clamping stagnation in key switch action process to influence the technical deficiency of key switch stability in use, strong applicability and practicability is good.
Description
Technical field
The invention belongs to computer housing anti-theft switching technique fields, and in particular to a kind of key switch.
Background technique
In computer housing in use, generally can all use key switch, the electricity of traditional technology to guarantee its anti-theft performance
Brain cabinet with key switch its mainly by pedestal, static contact on the base is set and be arranged in the pedestal by
Key shaft is equipped with movable contact spring in key shaft, reset spring is equipped between key shaft and pedestal, although can be certain
The effect of switch control is realized in degree, but it is easy to produce clamping stagnation during switch motion, opens to will affect key
The stability in use of pass, applicability and practicability are restricted.
Summary of the invention
The object of the present invention is to provide a kind of structure setting is reasonable, the good key switch of stability in use, it is intended to solve to pass
Clamping stagnation is easy in system technology in key switch action process to influence the technical deficiency of key switch stability in use.
The technical solution for realizing the object of the invention is a kind of key switch, including shell, is arranged in the shell and ties
The identical left static contact of structure and right static contact are equipped with cavity in the shell and are equipped with button hole on the housing, in institute
It states and is equipped with button body in button hole, movable contact spring, the movable contact spring and the left static contact, right stationary contact are equipped in the button body
Piece activity abuts, and is additionally provided with pedestal in the cavity of the shell, and cover board, the bottom are equipped at the cavities open of the shell
Seat is arranged in the cavity of the shell and is fixed by cover board, movable chamber is equipped in the pedestal, in pair of the pedestal
Side wall is claimed to be equipped with the strip-shaped clamp groove being connected with the movable chamber, the left static contact and right static contact detent are fixed on bar shaped
It in card slot and is welded and fixed, the jack with button hole position consistency on the shell is equipped on the base, in the button
Body is equipped with position limiting convex ring, and the outboard end of the button body passes through jack and button hole stretches out shell and position limiting convex ring is pressed on work
On the roof of dynamic chamber, reset spring is equipped between the button body and cover board, the movable contact spring is in position limiting convex ring and resets
Between spring, the left static contact and right static contact are on the lifting track of movable contact spring and compress with movable contact spring activity and contact.
The left static contact includes integrally formed static contact pin and stationary contact follow block, and the stationary contact follow block is arranged described
On the side of static contact pin and stationary contact follow block is arranged with static contact pin at right angle, and the static contact pin detent is in the item
In shape card slot, stationary contact follow block is in movable chamber and the stationary contact follow block is in the activity trajectory of movable contact spring and living with movable contact spring
It is dynamic to compress contact.
The right static contact is equipped with insert assembly, and the insert assembly is fitted on the stationary contact follow block side of right static contact
And the top surface of the insert assembly is pressed on the static contact pin bottom surface of right static contact.
The movable contact spring includes circular ring shape touch panel and the movable contact spring for being symmetricly set on circular ring shape touch panel both ends, described dynamic
Contact is arc setting, and the bottom end of arc movable contact spring is fixedly connected with circular ring shape touch panel, 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, gone up and down in the movable contact spring
When movement, the arc-shaped side activity of arc movable contact spring is compressed on stationary contact follow block.
It is equipped with clamping hole on the side of the shell, type connected in star is equipped in the lateral surface of the pedestal, described
The side of type connected in star is equipped with the first detent protrusion, detent plate is equipped on the cover board, on the detent plate
It is described equipped with the card indent hole matched with the first detent protrusion and the second detent matched with the clamping hole protrusion
Pedestal fixes the fixed and described pedestal in the card indent hole of cover board by the first detent protrusion and passes through the second detent protrusion detent
It is fixed inside the shell in the clamping hole of shell.
The length of the stationary contact follow block is the 1/2 of static contact pin length.
The movable contact spring and the circular ring shape touch panel, which are integrally formed, to be arranged.
It is equipped with semicircle in the middle part of the bottom surface of the position limiting convex ring and compresses convex block, is supported in the middle part of the top surface of the circular ring shape touch panel
Semicircle is pressed in compress on convex block.
The pocket of bottom opening is equipped in the button body.
Stroke between the movable contact spring and stationary contact follow block is 0.7-1.3mm.
The present invention has the effect of positive: structure setting of the invention is reasonable, and strip-shaped clamp groove is equipped on pedestal, and
Left static contact and right static contact detent are fixed in strip-shaped clamp groove, so that left static contact and right static contact position be made to fix and be in
In the travel path of movable contact spring, thus can effectively prevent catching phenomenon in button body pressing, ensure that operational stability,
It solves and is easy clamping stagnation in traditional technology in key switch action process to influence the technology of key switch stability in use not
Foot, strong applicability and practicability is good.
Detailed description of the invention
In order to make the content of the present invention more clearly understood, right below according to specific embodiment and in conjunction with attached drawing
The present invention is described in further detail, in which:
Fig. 1 is configuration schematic diagram of the invention；
Fig. 2 is the schematic diagram of the section structure of the invention.
Specific embodiment
(embodiment 1)
Fig. 1 and Fig. 2 shows a kind of specific embodiment of the invention, and wherein Fig. 1 is that detonation configuration of the invention is illustrated
Figure；Fig. 2 is the schematic diagram of the section structure of the invention.
See Fig. 1 and Fig. 2, a kind of key switch, including shell 1, is arranged in the shell 1 and the identical left stationary contact of structure
Piece 2 and right static contact 3 are equipped with cavity 4 in the shell 1 and are equipped with button hole 5 on the shell 1, in the button hole 5
It is interior to be equipped with button body 6, movable contact spring 7, the movable contact spring 7 and the left static contact 2, right static contact 3 are equipped in the button body 6
Activity abuts, and is additionally provided with pedestal 8 in the cavity 4 of the shell 1, is equipped with cover board 9, institute in 4 opening of cavity of the shell 1
It states pedestal 8 to be arranged in the cavity 4 of the shell 1 and fix by cover board 9, movable chamber 10 is equipped in the pedestal 8, in institute
The symmetrical side for stating pedestal 8 is equipped with the strip-shaped clamp groove 11 being connected with the movable chamber 10, the left static contact 2 and right stationary contact
3 detent of piece is fixed in strip-shaped clamp groove 11, and the jack with button hole position consistency on the shell 1 is equipped on the pedestal 8
12, position limiting convex ring 13 is equipped in the button body 6, the outboard end of the button body 6 stretches out outer across jack 12 and button hole 5
Shell 1 and position limiting convex ring 13 is pressed on the roof of movable chamber 10 is equipped with reset spring 14 between the button body 6 and cover board 9,
The movable contact spring 7 is between position limiting convex ring 13 and reset spring 14, and the left static contact 2 and right static contact 3 are in movable contact spring 7
Lifting track on and compress and contact with 7 activity of movable contact spring.
The left static contact 2 includes integrally formed static contact pin 21 and stationary contact follow block 22, using this structure, Ke Yitong
It crosses static contact pin progress detent to fix, and the position that can guarantee that stationary contact follow block is in activity is fixed, so as to have
Effect prevents mobile or loosening, to can effectively prevent clamping stagnation situation from occurring, the stationary contact follow block when contacting with movable contact spring
22 are arranged on the side of the static contact pin 21 and stationary contact follow block 22 is arranged with static contact pin 21 at right angle, the stationary contact
21 detent of piece pin is in the strip-shaped clamp groove 11 and is welded and fixed, and stationary contact follow block 22 is in movable chamber 10 and the stationary contact supports
Plate 22 is in the activity trajectory of movable contact spring 7 and compresses with 7 activity of movable contact spring and contacts.(since stationary contact follow block is laminated structure, therefore
And it is a vertical line in Fig. 2 sectional view)
The right static contact 3 is equipped with insert assembly 25, and the insert assembly 25 is fitted in the stationary contact follow block of right static contact 3
On the side and top surface of the insert assembly 25 is pressed on the static contact pin bottom surface of right static contact 3.It, can be with equipped with insert assembly
Guarantee the positional stability of right static contact, to make switch motion without clamping stagnation and act smooth.
The movable contact spring 7 includes circular ring shape touch panel 71 and the movable contact spring for being symmetricly set on 71 both ends of circular ring shape touch panel
72, the movable contact spring 72 is arc setting, and the bottom end of arc movable contact spring 72 is fixedly connected with circular ring shape touch panel 71, the dynamic touching of arc
The arc apex of piece 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,
When the movable contact spring lifting action, the arc-shaped side activity of arc movable contact spring is compressed on stationary contact follow block.Movable contact spring is arranged using arc,
It not only can be in button body lifting action, since the endpoint 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 inner wall of movable chamber, is stablized so as to holding position, and movable contact spring can be prevented because of inclination or pine
It moves to generate clamping stagnation situation, to ensure that stability in use and reliability.
It is equipped with clamping hole 15 on the side of the shell 1, is equipped with type connected in star 16 in the lateral surface of the pedestal 8,
It is equipped with the first detent protrusion 17 on the side of the type connected in star 16, detent plate 18 is equipped on the cover board 9, in institute
Detent plate 18 is stated to be equipped with the card indent hole 19 matched with the first detent protrusion 17 and match with the clamping hole 15
The the second detent protrusion 20 closed, the pedestal fix the fixed and described bottom in the card indent hole of cover board by the first detent protrusion
Seat is fixed inside the shell in the clamping hole of shell by the second detent protrusion detent.Shell, bottom can be convenient using this structure
Dismounting between seat and cover board, and it is mobile that relative position is less likely to occur, thus when acting movable contact spring with static contact component
It is not easy clamping stagnation when connection.
The length of the stationary contact follow block is the 1/2 of static contact pin length.
The movable contact spring and the circular ring shape touch panel, which are integrally formed, to be arranged.
It is equipped with semicircle in the middle part of the bottom surface of the position limiting convex ring and compresses convex block 23, in the top surface of the circular ring shape touch panel 71
Portion is pressed on semicircle and compresses on convex block 23.Convex block cooperation reset spring is compressed using semicircle, can effectively prevent circular ring shape
Contact run-off the straight or rotation displacement, ensure that stability in use and reliability.
The pocket 24 of bottom opening is equipped in the button body.Material can be reduced, so that cost is saved, and and
It is hollow, the weight of button body can be reduced, so that the requirement to reset spring just can decrease.
Stroke between the movable contact spring and stationary contact follow block is 0.7-1.3mm.
Structure setting of the invention is reasonable, and strip-shaped clamp groove, and left static contact and right static contact detent are equipped on pedestal
It is fixed in strip-shaped clamp groove, so that left static contact and right static contact position is made to fix and be in the travel path of movable contact spring, from
And in button body pressing, catching phenomenon can be effectively prevented, ensure that operational stability, key in traditional technology is solved and opens
It closes and is easy clamping stagnation in action process to influence the technical deficiency of key switch stability in use, strong applicability and practicability is good.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.And these
Belong to the obvious changes or variations that connotation of the invention is extended out and still falls within protection scope of the present invention.
Claims (7)
1. a kind of key switch, including shell, it is arranged in the shell and the identical left static contact of structure and right static contact,
It is equipped with cavity in the shell and is equipped with button hole on the housing, button body is equipped in the button hole, is pressed described
Button body is equipped with movable contact spring, and the movable contact spring is abutted with the left static contact, right static contact activity, it is characterised in that: described
It is additionally provided with pedestal in the cavity of shell, cover board is equipped at the cavities open of the shell, the pedestal is arranged in the shell
Cavity in and fixed by cover board, movable chamber is equipped in the pedestal, is equipped on the symmetrical side of the pedestal and institute
The strip-shaped clamp groove that movable chamber is connected is stated, the left static contact and right static contact detent are fixed in strip-shaped clamp groove, at the bottom
Seat is equipped with the jack with button hole position consistency on the shell, and position limiting convex ring, the button are equipped in the button body
The outboard end of body passes through jack and button hole stretches out shell and position limiting convex ring is pressed on the roof of movable chamber, in the button body
Reset spring is equipped between cover board, the movable contact spring is between position limiting convex ring and reset spring, the left static contact and the right side
Static contact is on the lifting track of movable contact spring and compresses with movable contact spring activity and contacts；The left static contact includes integrally formed
Static contact pin and stationary contact follow block, the stationary contact follow block is arranged on the side of the static contact pin and stationary contact follow block and stationary contact
Piece pin is arranged at right angle, and the static contact pin detent is in the strip-shaped clamp groove and is welded and fixed, and stationary contact follow block, which is in, lives
It moves the intracavitary and described stationary contact follow block and is in the activity trajectory of movable contact spring and is compressed with movable contact spring activity and contact；The right static contact
It is equipped with insert assembly, the insert assembly is fitted on the stationary contact follow block side of right static contact and the top surface of the insert assembly
It is pressed on the static contact pin bottom surface of right static contact；The movable contact spring includes circular ring shape touch panel and is symmetricly set on the circular ring shape
The movable contact spring at touch panel both ends, the movable contact spring is arc setting, and the bottom end of arc movable contact spring is fixedly connected with circular ring shape touch panel,
The arc apex of arc movable contact spring is pressed on the lateral surface of position limiting convex ring and the arcwall face of arc movable contact spring is pressed on movable chamber
On inner wall, in the movable contact spring lifting action, the arc-shaped side activity of arc movable contact spring is compressed on stationary contact follow block.
2. key switch according to claim 1, it is characterised in that: clamping hole is equipped on the side of the shell,
The lateral surface of the pedestal is equipped with type connected in star, the first detent protrusion is equipped on the side of the type connected in star, in institute
Cover board is stated equipped with detent plate, be equipped on the detent plate card indent hole matched with the first detent protrusion and
The the second detent protrusion matched with the clamping hole, the pedestal are fixed by the first detent protrusion in the card indent hole of cover board
Interior fixation and the pedestal pass through the second detent protrusion detent to be fixed inside the shell in the clamping hole of shell.
3. key switch according to claim 2, it is characterised in that: the length of the stationary contact follow block is that static contact pin is long
The 1/2 of degree.
4. key switch according to claim 3, it is characterised in that: the movable contact spring and circular ring shape touch panel one at
Type setting.
5. key switch according to claim 4, it is characterised in that: be equipped with semicircle in the middle part of the bottom surface of the position limiting convex ring
Shape compresses convex block, is pressed on semicircle in the middle part of the top surface of the circular ring shape touch panel and compresses on convex block.
6. key switch according to claim 5, it is characterised in that: be equipped with the cavity of bottom opening in the button body
Portion.
7. key switch according to claim 6, it is characterised in that: the stroke between the movable contact spring and stationary contact follow block is
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 CN106298325A (en) | 2017-01-04 |
| CN106298325B true 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 |
|---|---|
| CN106298325A (en) | 2017-01-04 |
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