CN214099528U - Double-auxiliary contact of molded case circuit breaker - Google Patents
Double-auxiliary contact of molded case circuit breaker Download PDFInfo
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- CN214099528U CN214099528U CN202120219010.XU CN202120219010U CN214099528U CN 214099528 U CN214099528 U CN 214099528U CN 202120219010 U CN202120219010 U CN 202120219010U CN 214099528 U CN214099528 U CN 214099528U
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- support
- circuit breaker
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- bracket
- clamping
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Abstract
The utility model relates to a moulded case circuit breaker's two auxiliary contacts, including the support, set up micro-gap switch subassembly, driving lever, be provided with the draw-in groove on one side of support, be provided with the apron of shroud on the draw-in groove on the support, be formed with the holding chamber between apron and the support, be provided with the storage tank on the opposite side of support, be provided with the through-hole that is used for communicateing storage tank and holding chamber on the support, micro-gap switch subassembly includes first micro-gap switch, second micro-gap switch, the driving lever rotates and sets up in the holding intracavity, and is provided with the torsional spring between driving lever and the support, the other end of driving lever on be provided with push rod portion, the one end of this push rod portion is contradicted on first button of first micro-gap switch, the other end of push rod portion pass through-hole and contradict on second micro-gap switch's second button. The utility model has the advantages of small volume, simple structure, convenient installation and reliable performance.
Description
Technical Field
The utility model particularly relates to a moulded case circuit breaker's two auxiliary contacts.
Background
The auxiliary switch is used on the circuit breaker and mainly plays roles of signal indication, remote control and the like. The existing circuit breaker products are smaller and smaller, the internal space is greatly limited, and the circuit breaker requires a plurality of auxiliary contacts to be provided for a control circuit or external signals to adapt to the modern networking requirements, so that the auxiliary contacts with small size, simple structure, convenient installation, reliable performance and long service life are required.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a two auxiliary contacts of small, simple structure, simple to operate, dependable performance's shell circuit breaker.
In order to achieve the above object, the present invention provides a dual auxiliary contact of a molded case circuit breaker, comprising a bracket, a micro-switch assembly and a shift lever, wherein the micro-switch assembly and the shift lever are arranged on the bracket, a slot is arranged on one side of the bracket, a cover plate covering the slot is arranged on the bracket, a containing cavity is formed between the cover plate and the bracket, a containing groove is arranged on the other side of the bracket, a through hole for communicating the containing groove and the containing cavity is arranged on the bracket, the micro-switch assembly comprises a first micro-switch arranged in the containing cavity and a second micro-switch arranged in the containing groove, the shift lever is rotatably arranged in the containing cavity, a torsion spring is arranged between the shift lever and the bracket, one end of the shift lever is provided with a driving part extending out of the containing cavity, the driving part is in linkage fit with a rotating shaft of the circuit breaker, and the other end of the shift lever is provided with a push rod part, one end of the push rod part props against a first button of the first micro switch, and the other end of the push rod part penetrates through the through hole and props against a second button of the second micro switch.
The double-auxiliary-contact structure has the advantages that the two micro switches are arranged on the support, so that the requirement that the circuit breaker needs a plurality of auxiliary contacts can be met, the auxiliary contacts drive the two micro switches through the driving rod, the double-auxiliary-contact structure is small in size and simple in structural design, the torsional spring is arranged between the driving rod and the support, the driving rod can be enabled to reset rapidly, the action is sensitive, the two micro switches are arranged on the two sides of the support respectively, the structural layout is reasonable, and the two micro switches cannot influence each other. Therefore, the double auxiliary contacts of the molded case circuit breaker have the advantages of small volume, simple structure, convenience in installation and reliable performance.
Particularly, the apron on be provided with the card hole, the support on be provided with card hole matched with checkpost, the checkpost block in the card hole, and constitute the joint cooperation of support and apron. The cover plate and the support are assembled in a clamping matching mode, so that the cover plate and the support are convenient to assemble, and the assembly is more convenient.
Particularly, the first micro switch is provided with two positioning holes respectively, the support is internally provided with a positioning shaft matched with the positioning holes, and the positioning shaft is clamped in the positioning holes and forms clamping matching of the support and the first micro switch. The first microswitch is connected with the support in a clamping matching mode, so that the first microswitch and the support are convenient to assemble, and the assembly efficiency of the double auxiliary contacts is improved.
Particularly, a clamping plate matched with a base of the circuit breaker is arranged on one side of the support, and the clamping plate is clamped in a clamping groove of the base and forms clamping matching of the support and the base. Be provided with the cardboard with the base looks joint of circuit breaker on the support to the installation of this two auxiliary contacts of being convenient for, it is more convenient to install.
Drawings
Fig. 1 is a perspective view of an embodiment of the present invention.
Fig. 2 is an exploded view of an embodiment of the present invention.
FIG. 3 is a perspective view of a shift lever according to an embodiment of the present invention
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present invention is a dual auxiliary contact of a molded case circuit breaker, including a bracket 10, a micro switch assembly 20 disposed on the bracket 10, and a driving lever 11, wherein one side of the bracket 10 is provided with a slot 101, the bracket 10 is provided with a cover plate 12 covering the slot 101, a receiving cavity 100 is formed between the cover plate 12 and the bracket 10, the other side of the bracket 10 is provided with a receiving cavity 102, the bracket 10 is provided with a through hole 103 for communicating the receiving cavity 102 with the receiving cavity 100, the micro switch assembly 20 includes a first micro switch 21 disposed in the receiving cavity 100 and a second micro switch 22 disposed in the receiving cavity 102, the driving lever 11 is rotatably disposed in the receiving cavity 100, a torsion spring is disposed between the driving lever 11 and the bracket 10, one end of the driving lever 11 is provided with a driving portion 111 extending outside the receiving cavity 100, the driving part 111 is in linkage fit with a rotating shaft of the circuit breaker, a push rod part 112 is arranged at the other end of the shift lever 11, one end of the push rod part 112 abuts against a first button 211 of the first microswitch 21, and the other end of the push rod part 112 penetrates through the through hole 103 and abuts against a second button 221 of the second microswitch 22.
As shown in fig. 2, the cover plate 12 is provided with a locking hole 121, the bracket 10 is provided with a clip 104 engaged with the locking hole 121, and the clip 104 is engaged with the locking hole 121 to form a locking engagement between the bracket 10 and the cover plate 12. The cover plate and the support are assembled in a clamping matching mode, so that the cover plate and the support are convenient to assemble, and the assembly is more convenient. The first microswitch 21 is provided with two positioning holes 212 respectively, the support 10 is internally provided with a positioning shaft 105 matched with the positioning holes 212, and the positioning shaft 105 is clamped in the positioning holes 212 to form clamping matching of the support 10 and the first microswitch 21. The first microswitch is connected with the support in a clamping matching mode, so that the first microswitch and the support are convenient to assemble, and the assembly efficiency of the double auxiliary contacts is improved. One side of the support 10 is provided with a clamping plate 106 matched with a base of the circuit breaker, and the clamping plate 106 is clamped in a clamping groove of the base and forms clamping matching of the support 10 and the base. Be provided with the cardboard with the base looks joint of circuit breaker on the support to the installation of this two auxiliary contacts of being convenient for, it is more convenient to install.
Be provided with two micro-gap switches on the support to can satisfy the requirement that the circuit breaker needs a plurality of auxiliary contacts, and this auxiliary contact drives two micro-gap switches through a driving lever, thereby this two auxiliary contacts small, structural design is simple, and is provided with the torsional spring between driving lever and the support, can guarantee that the driving lever can reset rapidly, and the action is sensitive, and two micro-gap switches set up the both sides at the support respectively, and structural layout is reasonable, can not influence each other between two micro-gap switches. Therefore, the double auxiliary contacts of the molded case circuit breaker have the advantages of small volume, simple structure, convenience in installation and reliable performance.
Claims (4)
1. The utility model provides a moulded case circuit breaker's two auxiliary contacts, includes the support, sets up micro-gap switch subassembly, the driving lever on the support, its characterized in that: a clamping groove is arranged on one side of the bracket, a cover plate covering the clamping groove is arranged on the bracket, an accommodating cavity is formed between the cover plate and the bracket, the other side of the bracket is provided with a containing groove, the bracket is provided with a through hole for communicating the containing groove and the containing cavity, the microswitch component comprises a first microswitch arranged in the containing cavity and a second microswitch arranged in the containing groove, the deflector rod is rotationally arranged in the containing cavity, a torsion spring is arranged between the deflector rod and the bracket, one end of the deflector rod is provided with a driving part extending out of the accommodating cavity, the driving part is in linkage fit with a rotating shaft of the breaker, the other end of the deflector rod is provided with a push rod part, one end of the push rod part props against a first button of the first micro switch, and the other end of the push rod part penetrates through the through hole and props against a second button of the second micro switch.
2. The double auxiliary contact of the molded case circuit breaker according to claim 1, wherein: the cover plate is provided with a clamping hole, the support is provided with a clamp matched with the clamping hole, and the clamp is clamped in the clamping hole and forms clamping matching of the support and the cover plate.
3. The double auxiliary contact of the molded case circuit breaker according to claim 1 or 2, wherein: the first microswitch is provided with two positioning holes respectively, the support is internally provided with a positioning shaft matched with the positioning holes, and the positioning shaft is clamped in the positioning holes and forms clamping matching of the support and the first microswitch.
4. The double auxiliary contact of the molded case circuit breaker according to claim 1 or 2, wherein: one side of the support is provided with a clamping plate matched with a base of the circuit breaker, and the clamping plate is clamped in a clamping groove of the base and forms clamping matching of the support and the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219010.XU CN214099528U (en) | 2021-01-26 | 2021-01-26 | Double-auxiliary contact of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120219010.XU CN214099528U (en) | 2021-01-26 | 2021-01-26 | Double-auxiliary contact of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214099528U true CN214099528U (en) | 2021-08-31 |
Family
ID=77439762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120219010.XU Active CN214099528U (en) | 2021-01-26 | 2021-01-26 | Double-auxiliary contact of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214099528U (en) |
-
2021
- 2021-01-26 CN CN202120219010.XU patent/CN214099528U/en active Active
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