CN203466086U - Novel key switch - Google Patents
Novel key switch Download PDFInfo
- Publication number
- CN203466086U CN203466086U CN201320583428.4U CN201320583428U CN203466086U CN 203466086 U CN203466086 U CN 203466086U CN 201320583428 U CN201320583428 U CN 201320583428U CN 203466086 U CN203466086 U CN 203466086U
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- CN
- China
- Prior art keywords
- spring
- pedestal
- button
- key switch
- novel key
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Abstract
The utility model discloses a novel key switch, wherein carbon deposition does not occur when the novel key switch is used and the switch is not clamped during resetting. According to the technical scheme, the novel key switch comprises a pedestal, a button and a surface cover. An opening wall is arranged at the pedestal; a side contact panel is clamped at the opening wall; and two static contact elements are arranged inside the side contact panel. A spring seat extends from the lower end of the button; and a reset spring and a moving contact element are arranged at the spring seat. Moreover, the novel key switch is characterized in that inverted buckles and fixing grooves are arranged at the left side and the right side of the pedestal by corresponding to the opening wall; and a spring positioning column is arranged at the center. The surface cover is provided with a left buckle and a right buckle, fixed bosses arranged at inner arms of the left buckle and the right buckle, and a central hole adapted to the button arm of the button; the reset spring is installed in the spring positioning column and the upper end extends into a spring hole arranged at the center of the lower end of the spring seat; and the surface cover is buckled with and cooperates with the pedestal.
Description
Technical field
The utility model relates to a kind of switch, especially key switch.
Background technology
Key switch refers to and utilizes button to promote transmission mechanism, makes moving contact and fixed contact by on-off, drive and realize the switch of circuit changing-over.Key switch is a kind of simple in structure, and application is master control electrical apparatus very widely.In electric automatic control circuit, for manually sending control signal with control contactor, relay, electromagnetic starter etc.
Conventional keys switch, generally adopts common upper positive pressure face circular shaft contact, and having used of a specified duration has carbon distribution between intermediate chain spindle and stationary contact part, causes loose contact.And two back-moving spring compression ratios differ, while causing center button axle out of plumb to reset, there is stuck phenomenon, to such an extent as to cannot reset.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of Novel key switch that can not block when in use can not form carbon distribution and resetting.
For addressing the above problem, the technical solution adopted in the utility model comprises pedestal, button and cover, described pedestal is provided with perforated wall, on described perforated wall, be connected with side contact plane, in described side contact plane, be provided with two stationary contact parts, described button lower end is extended with spring base, back-moving spring and movable contact piece are set on described spring base, it is characterized in that: the left and right sides of the described corresponding perforated wall of pedestal arranges back-off and holddown groove, center arranges spring reference column, described cover is provided with left and right buckle, the fixing lug boss of left and right buckle inner arm and the centre bore adapting with the button arm of button, described back-moving spring is arranged in spring reference column, its upper end is stretched in the spring eye of center, spring base lower end setting, described cover and pedestal are fastened.
Described Novel key switch, it is characterized in that: described spring base sidewall is provided with movable contact piece draw-in groove, movable contact piece buckle and resilient support mechanism, described movable contact piece is stuck in movable contact piece draw-in groove, and the screens hole arranging by its both sides and movable contact piece buckle connect and fix.
Described Novel key switch, is characterized in that: described stationary contact part comprises pin and the fixed contact that is fixed on pin upper end, and described pin inserts in the pin holes arranging on described pedestal side contact plane and pedestal are fixed.
Described Novel key switch, is characterized in that: described resilient support mechanism is two arc elastic arms that are integrally formed on spring base.
Novel key switch of the present utility model, at pedestal center, spring reference column is set, the spring eye arranging at center, spring base lower end, at cover center, centre bore is set, three centers all point-blank,, there is stuck phenomenon at the center of the button arm of button in product and vertical thereby eliminated when center button axle out of plumb resets, and realizes steadily smooth reset of button.Meanwhile, having changed traditional moving contact contacts as contacts side surfaces with the front of fixed contact.Owing to adopting contacts side surfaces, switch, when opening/closing, has friction between moving contact and fixed contact, can automatically carbon distribution or the dust on moving contact and fixed contact surface be got rid of, thereby prevent switch loose contact phenomenon in friction process.Owing to adopting after contacts side surfaces, realize button arm end face and contact with pedestal inner bottom part face, button stroke is never changed, can prevent that button from exerting pressure excessively, cause contact bridge to be out of shape.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is exploded view of the present utility model;
Fig. 2 is button structural representation of the present utility model;
Fig. 3 is side contact plane structural representation of the present utility model;
Fig. 4 is understructure schematic diagram of the present utility model.
Embodiment
As shown in Figures 1 to 4, Novel key switch of the present utility model, comprise pedestal 1, button 2 and cover 3, described pedestal 1 is provided with perforated wall 4, on described perforated wall 4, be connected with side contact plane 5, in described side contact plane 5, be provided with two stationary contact parts, described button 2 lower ends are extended with spring base 7, back-moving spring 8 and movable contact piece 9 are set on described spring base 7, the left and right sides of the described corresponding perforated wall 4 of pedestal 1 arranges back-off 10 and holddown groove 11, center arranges spring reference column 15, described cover 3 is provided with left and right buckle 12, the fixing lug boss 13 of left and right buckle 12 inner arms and the centre bore 14 adapting with the button arm of button 2, described back-moving spring 8 is arranged in spring reference column 15, its upper end is stretched in the spring eye 16 of spring base 7 centers, lower end settings, described cover 3 is by left and right buckle 12, the fixing lug boss 13 of left and right buckle 12 inner arms is fastened with back-off 10 and holddown groove 11 on pedestal 1.
Described spring base 7 sidewalls are provided with movable contact piece draw-in groove 17, movable contact piece buckle 18Ji resilient support mechanism 19, and described movable contact piece 9 is stuck in movable contact piece draw-in groove 17, and the screens hole 20 arranging by its both sides connects and fixes with movable contact piece buckle 18.
Described stationary contact part comprises pin 21 and is fixed on the fixed contact 22 of pin 21 upper ends, in the pin holes 23 arranging, makes side contact plane 5 fixing with pedestal 1 on the described pedestal 1 of described pin 21 insertion.
The two slice arc elastic arms of described resilient support mechanism 19 for being integrally formed on spring base 7.Adopt arc elastic arm as resilient support mechanism, relatively adopt spring as resilient support mechanism, it can be one-body molded with button, has structure simpler, and cost is lower, without institute, install, and the advantage of more waiting so long useful life.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within being all included in protection range of the present utility model.
Claims (4)
1. a Novel key switch, comprise pedestal (1), button (2) and cover (3), described pedestal (1) is provided with perforated wall (4), on described perforated wall (4), be connected with side contact plane (5), in described side contact plane (5), be provided with two stationary contact parts, described button (2) lower end is extended with spring base (7), back-moving spring (8) and movable contact piece (9) are set on described spring base (7), it is characterized in that: the left and right sides of the corresponding perforated wall of described pedestal (1) (4) arranges back-off (10) and holddown groove (11), center arranges spring reference column (15), described cover (3) is provided with left and right buckle (12), the fixing lug boss (13) of left and right buckle (12) inner arm and the centre bore (14) adapting with the button arm of button (2), described back-moving spring (8) is arranged in spring reference column (15), its upper end is stretched in the spring eye (16) of spring base (7) center, lower end setting, described cover (3) is fastened with pedestal (1).
2. Novel key switch according to claim 1, it is characterized in that: described spring base (7) sidewall is provided with movable contact piece draw-in groove (17), movable contact piece buckle (18) and resilient support mechanism (19), described movable contact piece (9) is stuck in movable contact piece draw-in groove (17), and the screens hole (20) arranging by its both sides connects and fixes with movable contact piece buckle (18).
3. Novel key switch according to claim 1, it is characterized in that: described stationary contact part comprises pin (21) and be fixed on the fixed contact (22) of pin (21) upper end, described pin (21) inserts in the upper pin holes (23) arranging of described pedestal (1) and makes side contact plane (5) and pedestal (1) fixing.
4. Novel key switch according to claim 2, is characterized in that: the two slice arc elastic arms of described resilient support mechanism (19) for being integrally formed on spring base (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583428.4U CN203466086U (en) | 2013-09-22 | 2013-09-22 | Novel key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320583428.4U CN203466086U (en) | 2013-09-22 | 2013-09-22 | Novel key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203466086U true CN203466086U (en) | 2014-03-05 |
Family
ID=50178434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320583428.4U Expired - Fee Related CN203466086U (en) | 2013-09-22 | 2013-09-22 | Novel key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203466086U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282190A (en) * | 2018-08-24 | 2019-01-29 | 惠州市西顿工业发展有限公司 | A kind of installation buckle and shot-light of guide rail for shot-light of guide rail |
-
2013
- 2013-09-22 CN CN201320583428.4U patent/CN203466086U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109282190A (en) * | 2018-08-24 | 2019-01-29 | 惠州市西顿工业发展有限公司 | A kind of installation buckle and shot-light of guide rail for shot-light of guide rail |
| CN109282190B (en) * | 2018-08-24 | 2024-05-31 | 惠州市西顿工业发展有限公司 | Mounting buckle for guide rail spotlight and guide rail spotlight |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140305 Termination date: 20160922 |