CN104795288A - Microswitch - Google Patents
Microswitch Download PDFInfo
- Publication number
- CN104795288A CN104795288A CN201510214568.8A CN201510214568A CN104795288A CN 104795288 A CN104795288 A CN 104795288A CN 201510214568 A CN201510214568 A CN 201510214568A CN 104795288 A CN104795288 A CN 104795288A
- Authority
- CN
- China
- Prior art keywords
- pin
- action movie
- wing plate
- pedestal
- tension spring
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/14—Electrothermal mechanisms
Landscapes
- Thermally Actuated Switches (AREA)
Abstract
The invention relates to the technical field of sensors, in particular to a microswitch. The microswitch comprises a base and a fin plate, the front end of the fin plate is provided with two wing plates which are arranged symmetrically at an interval, the inner side of the far end of each wing plate is provided with a T-shaped clamping and connecting end, the base is penetratingly arranged between the two wing plates, the base is hinged to the two clamping and connecting ends, and a trigger switch linked with the fin plate is arranged in the base. The microswitch is reasonable in structure, an action sheet is connected with the fin plate through a tension spring, and the tension spring enables the action sheet to keep a transverse stable state; when the fin plate bears downward trigger force, the tension spring enables the action sheet to rise to connect a moving contact with a static contact, and the microswitch outputs a signal; when current passing a pin A and a pin B is overlarge, the temperature of the action sheet rises to generate deformation jumping, the moving contact is enabled to be disconnected with the static contact so as to achieve overcurrent protection, and the microswitch is simple and compact in integral structure, quick to assemble and stable to use.
Description
Technical field
The present invention relates to sensor technical field, particularly a kind of sensitive switch.
Background technology
Dry-burning preventing sensor common in the market, comprise mounting cup, sensitive switch and switch supporting plate, sensitive switch arranges with in mounting cup, mounting cup is arranged on switch supporting plate, and being provided with back-moving spring between mounting cup and switch supporting plate, switch supporting plate is fixed on mounting base, exercises the heater circuit on sensitive switch connection mounting base during use under mounting cup, heater circuit is in series with temperature-sensitive assembly, when mounting cup is released, then disconnects heater circuit.
In use there is more problem in the transducer of this vibrational power flow, the triggering of sensitive switch is wherein realized by the drive of mounting cup, and mounting cup is provided with multiple workpiece, needing higher build-up tolerance when assembling between each parts, causing assembling difficulty and less stable; And existing sensitive switch internal structure layout is comparatively compact, lack the protection of overtemperature protection mechanism, the fail safe of himself is poor, needs to arrange overcurrent protection separately to improve overall use safety, thus cause the integrally-built complexity of transducer in transducer.Therefore prior art has yet to be improved and developed.
Summary of the invention
The object of the invention is to the defect for prior art and deficiency, a kind of compact conformation is provided, trigger sensitive, that fail safe is high sensitive switch.
For achieving the above object, the present invention is by the following technical solutions:
A kind of sensitive switch of the present invention, comprise pedestal and wing plate, described wing front edge of board is provided with two wing plates, two symmetrical intervals of wing plate are arranged, and the inner side of wing plate far-end is provided with and "T"-shaped links end, described pedestal is arranged between two wing plates and pedestal links with two respectively and holds hinged, is provided with the trigger switch arranged that to link with wing plate in pedestal.
Further, two side plates of described pedestal one end are equipped with open slot, the end that links on two wing plates is hinged on corresponding open slot respectively.
Further, described trigger switch comprises pin A and pin B, pin A is each passed through pedestal bottom plate with the lower end of pin B and is fixedly connected with it, pin B upper end is provided with the folding pointing to pin A, action movie is provided with between pin A upper end and pin B upper end, the stiff end of action movie is connected to the upper end of pin A, and action movie horizontally set and its free end are located at the below of folding; Tension spring is provided with between described wing plate and action movie movable end.
Further, described wing plate is provided with ways, and base end face is provided with the chute corresponding with ways, and the inner end of ways is connected with tension spring through chute.
Further, described pin A upper end is provided with bifurcated and then is " Y " shape vibrational power flow, and two divergent ends of pin A are equipped with short slot, and the stiff end of action movie is arranged on short slot.
Further, the stiff end of described action movie is provided with bifurcated and then is " Y " shape vibrational power flow, and the bifurcated terminals of action movie is connected on the short slot of bifurcated plate respectively; The middle part of described action movie is provided with and links hole, one end of tension spring with link hole and be connected.
Further, the free end of described action movie is provided with moving contact, and the bottom surface of folding is provided with the fixed contact coordinated with action movie.
Beneficial effect of the present invention is: the present invention is rational in infrastructure, and action movie is connected with wing plate by tension spring, the stable state that tension spring makes action movie keep horizontal; When wing plate is subject to downward trigger force, tension spring makes action movie raise up to connect moving contact and fixed contact sensitive switch to output signal; When excessive by the electric current of pin A and pin B, action movie temperature rising generation deformation is beated and is made moving contact depart from fixed contact thus play overcurrent protection, and overall structure is simply compact, and assembling is quick, uses stable.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is detonation configuration schematic diagram of the present invention.
In figure:
1, pedestal; 2, pin A; 3, pin B; 4, action movie;
5, wing plate; 6, tension spring; 11, open slot; 12, chute;
21, short slot; 31, folding; 32, fixed contact; 41, hole is linked;
42, moving contact; 51, wing plate; 52, splicing ear; 53, ways;
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
A kind of sensitive switch of the present invention, comprise pedestal 1 and wing plate 5, described wing plate 5 front end is provided with two wing plates 51, two symmetrical intervals of wing plate 51 are arranged, and the inner side of wing plate 51 far-end is provided with and "T"-shaped links end 52, described pedestal 1 to be arranged between two wing plates 51 and pedestal 1 to link end 52 with two respectively hinged, be provided with the trigger switch arranged that to link with wing plate 51 in pedestal 1; Two side plates of pedestal 1 one end are equipped with open slot 11, and the end 52 that links on two wing plates 51 is hinged on corresponding open slot 11 respectively.Above-mentioned parts are agent structure of the present invention, trigger switch stroke static balancing in wing plate 5 horizontally set and pedestal 1, trigger switch output signal is driven when wing plate 5 rotates, wing plate 5 is connected to form connecting rod trigger architecture by wing plate 51 and pedestal 1, the wing plate 51 of logical long-distance drives trigger switch to realize the short distance trigger action of sensitive switch, thus improves output sensitivity and the stability of sensitive switch.
Above-mentioned trigger switch comprises pin A2 and pin B3, pin A2 and the lower end of pin B3 are each passed through pedestal 1 base plate and are fixedly connected with it, pin B3 upper end is provided with the folding 31 pointing to pin A2, action movie 4 is provided with between pin A2 upper end and pin B3 upper end, the stiff end of action movie 4 is connected to the upper end of pin A2, and action movie 4 horizontally set and its free end are located at the below of folding 31; Tension spring 6 is provided with between described wing plate 5 and action movie 4 movable end; Described action movie 4 is temperature-sensitive memory metal sheets, the stiff end of action movie 4 is connected to the upper end of pin A2, action movie 4 horizontally set and its free end are located at the below of folding 31, action movie 4 cross connection pin A2 and pin B3, when the current overload at pin A2 and pin B3 two ends, action movie 4 is out of shape the electric connection both cutting off; Described pedestal 1 is provided with the wing plate 5 hinged with it, wing plate 5 horizontally set and be provided with tension spring 6 between the free end of wing plate 5 and action movie 4.
During work, the pedestal 1 of sensitive switch is fixedly connected with transducer, and the trigger unit on transducer applies downward pressure to wing plate 5, and wing plate 5 rotates and action movie 4 free end is raised up, and then action movie 4 is communicated with pin A2 and the pin B3 at two ends, fine motion is uncapped output signal; Action movie 4 under normality keeps lateral balance by tension spring 6 and wing plate 5, make not contact between action movie 4 with folding 31, wing plate 5 movable end applying light pressure can make action movie 4 produce reaction, and the sensitive switch so arranged is quick on the draw, it is stable to use; When the voltage overload at pin A2 and pin B3 two ends, action movie 4 produces temperature rise, and the action movie 4 that memory metal makes is bent downwardly distortion, thus makes it depart from folding 31 open circuit, thus realizes the overcurrent protection of sensitive switch to transducer.
Above-mentioned wing plate 5 is provided with ways 53, and pedestal 1 end face is provided with the chute 12 corresponding with ways 53, and the inner end of ways 53 is connected with tension spring 6 through chute 12.
Above-mentioned pin A2 upper end is provided with bifurcated and then in " Y " shape vibrational power flow, two divergent ends of pin A2 are equipped with short slot 21, and the stiff end of action movie 4 is arranged on short slot 21; The stiff end of action movie 4 is provided with bifurcated and then in " Y " shape vibrational power flow, the bifurcated terminals of action movie 4 is connected on the short slot 21 of bifurcated plate respectively; The middle part of described action movie 4 is provided with and links hole 41, one end of tension spring 6 with link hole 41 and be connected; Action movie 4 rotates up and down centered by short slot 21, and tension spring 6 connection links hole 41 makes it keep horizontally set, and tension spring 6 pairs of action movies 4 apply transverse traction force and then its free end is raised up, and then action movie 4 two ends are communicated with pin A2 and pin B3 respectively.
The free end of above-mentioned action movie 4 is provided with moving contact 42, and the bottom surface of folding 31 is provided with the fixed contact 32 coordinated with action movie 4.
The above is only better embodiment of the present invention, therefore all equivalences done according to structure, feature and the principle described in patent claim of the present invention change or modify, and are included in patent claim of the present invention.
Claims (7)
1. a sensitive switch, comprise pedestal (1) and wing plate (5), it is characterized in that: described wing plate (5) front end is provided with two wing plates (51), two symmetrical intervals of wing plate (51) are arranged, and the inner side of wing plate (51) far-end is provided with and "T"-shaped links end (52), described pedestal (1) is arranged between two wing plates (51) and pedestal (1) links with two respectively and holds (52) hinged, is provided with the trigger switch arranged that to link with wing plate (51) in pedestal (1).
2. a kind of sensitive switch according to claim 1, it is characterized in that: two side plates of described pedestal (1) one end are equipped with open slot (11), the end (52) that links on two wing plates (51) is hinged on corresponding open slot (11) respectively.
3. a kind of sensitive switch according to claim 1, it is characterized in that: described trigger switch comprises pin A (2) and pin B (3), pin A (2) and the lower end of pin B (3) are each passed through pedestal (1) base plate and are fixedly connected with it, pin B (3) upper end is provided with the folding (31) pointing to pin A (2), action movie (4) is provided with between pin A (2) upper end and pin B (3) upper end, the stiff end of action movie (4) is connected to the upper end of pin A (2), action movie (4) horizontally set and its free end are located at the below of folding (31), tension spring (6) is provided with between described wing plate (5) and action movie (4) movable end.
4. a kind of sensitive switch according to claim 3, it is characterized in that: described wing plate (5) is provided with ways (53), pedestal (1) end face is provided with the chute (12) corresponding with ways (53), and the inner end of ways (53) is connected with tension spring (6) through chute (12).
5. a kind of sensitive switch according to claim 3, it is characterized in that: described pin A (2) upper end is provided with bifurcated and then is " Y " shape vibrational power flow, two divergent ends of pin A (2) are equipped with short slot (21), and the stiff end of action movie (4) is arranged on short slot (21).
6. a kind of sensitive switch according to claim 5, it is characterized in that: the stiff end of described action movie (4) is provided with bifurcated and then in " Y " shape vibrational power flow, the bifurcated terminals of action movie (4) is connected on the short slot (21) of bifurcated plate respectively; The middle part of described action movie (4) is provided with and links hole (41), one end of tension spring (6) with link hole (41) and be connected.
7. a kind of sensitive switch according to claim 3, it is characterized in that: the free end of described action movie (4) is provided with moving contact (42), the bottom surface of folding (31) is provided with the fixed contact (32) coordinated with action movie (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214568.8A CN104795288B (en) | 2015-04-30 | 2015-04-30 | A kind of microswitch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510214568.8A CN104795288B (en) | 2015-04-30 | 2015-04-30 | A kind of microswitch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104795288A true CN104795288A (en) | 2015-07-22 |
| CN104795288B CN104795288B (en) | 2017-03-15 |
Family
ID=53560027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510214568.8A Expired - Fee Related CN104795288B (en) | 2015-04-30 | 2015-04-30 | A kind of microswitch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104795288B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285705A (en) * | 2018-11-02 | 2019-01-29 | 中山市长合电器有限公司 | A kind of energy conservation and environmental protection switch link structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001798A1 (en) * | 2005-07-02 | 2007-01-04 | Tsung-Mou Yu | Protection device for switches |
| CN201584381U (en) * | 2010-01-06 | 2010-09-15 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker with auxiliary cover |
| CN104167328A (en) * | 2014-08-06 | 2014-11-26 | 徐冠忠 | Improved press-poke type temperature controller module |
| CN204558392U (en) * | 2015-04-30 | 2015-08-12 | 佛山市川东磁电股份有限公司 | A kind of sensitive switch |
-
2015
- 2015-04-30 CN CN201510214568.8A patent/CN104795288B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070001798A1 (en) * | 2005-07-02 | 2007-01-04 | Tsung-Mou Yu | Protection device for switches |
| CN201584381U (en) * | 2010-01-06 | 2010-09-15 | 常熟开关制造有限公司(原常熟开关厂） | Circuit breaker with auxiliary cover |
| CN104167328A (en) * | 2014-08-06 | 2014-11-26 | 徐冠忠 | Improved press-poke type temperature controller module |
| CN204558392U (en) * | 2015-04-30 | 2015-08-12 | 佛山市川东磁电股份有限公司 | A kind of sensitive switch |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109285705A (en) * | 2018-11-02 | 2019-01-29 | 中山市长合电器有限公司 | A kind of energy conservation and environmental protection switch link structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104795288B (en) | 2017-03-15 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| 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: 20170315 |