CN206849796U - A kind of miniature circuit breaker - Google Patents
A kind of miniature circuit breaker Download PDFInfo
- Publication number
- CN206849796U CN206849796U CN201720848555.0U CN201720848555U CN206849796U CN 206849796 U CN206849796 U CN 206849796U CN 201720848555 U CN201720848555 U CN 201720848555U CN 206849796 U CN206849796 U CN 206849796U
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- Prior art keywords
- fixing groove
- lock
- torsion spring
- tripping
- arc
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Abstract
The utility model discloses a kind of miniature circuit breaker.The technical scheme of use includes operating mechanism, tripping mechanism, contact mechanism, electromagnetic system and the arc-control device being located in housing, the operating mechanism includes handle, the tripping mechanism includes tripping, lock, the contact mechanism includes moving contact, the electromagnetic system includes magnet coil, and the arc-control device includes arc-chutes, torsion spring is set on the central rotating shaft of the handle, the elongated end of the torsion spring connects with the lock, it is characterised in that：The lock both ends set the first fixing groove, the second fixing groove respectively, limited post are provided between first fixing groove, the second fixing groove, the elongated end of the torsion spring is arranged between first fixing groove, the second fixing groove and limited post.
Description
Technical field
A kind of low-voltage electrical apparatus is the utility model is related to, specially a kind of miniature circuit breaker.
Background technology
Conventional small breaker structure includes：Operating mechanism, tripping mechanism, contact mechanism, the electromagnetic system being located in housing
System and arc-control device, the operating mechanism include handle, and the tripping mechanism includes tripping, lock, and the contact mechanism includes
Moving contact, the electromagnetic system include magnet coil, and the arc-control device includes arc-chutes, set on the central rotating shaft of the handle
Torsion spring is put, the elongated end of the torsion spring connects with the lock.
Conventional small breaker has the drawback that：Between the centrally disposed torsion spring of the handle and the lock connection
The less stable of connection, under the influence of dropout or external force, easily cause the disengaging of torsion spring and lock.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of small-sized open circuit for improving handle center's torsion spring stability
Device.
To solve the above problems, the technical solution adopted in the utility model includes operating mechanism, the dropout being located in housing
Mechanism, contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle, and the tripping mechanism includes tripping, lock
Button, the contact mechanism include moving contact, and the electromagnetic system includes magnet coil, and the arc-control device includes arc-chutes, institute
State and torsion spring be set on the central rotating shaft of handle, the elongated end of the torsion spring connects with the lock, it is characterised in that：The lock
Both ends set the first fixing groove, the second fixing groove respectively, and limited post, institute are provided between first fixing groove, the second fixing groove
The elongated end for stating torsion spring is arranged between first fixing groove, the second fixing groove and limited post.
Described miniature circuit breaker, it is characterised in that：The opposite side of its corresponding lock buckling groove of lock is provided with and the jump
The spacing convex wall that snap fit is closed, the limited post are arranged on the top of the spacing convex wall.
Miniature circuit breaker advantage of the present utility model is as follows：By being fixed at lock both ends and middle setting first respectively
Groove, the second fixing groove, limited post the elongated end of torsion spring is fixed with it is spacing, original single-point or two point are fixed, made into
Three-point mount, so as to substantially increase the stability of torsion spring connection.
Brief description of the drawings
The utility model is described further with reference to Figure of description.
Fig. 1 is the structural representation of conventional small breaker；
Fig. 2 is the structural representation between the utility model operating mechanism, tripping mechanism, contact mechanism.
Embodiment
Shown in reference picture 1-2, miniature circuit breaker of the present utility model, including operating mechanism, the dropout machine being located in housing
Structure, contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle 1, and the tripping mechanism includes tripping 2, lock
Button 3, the contact mechanism includes moving contact 4, and the electromagnetic system includes magnet coil 5, and the arc-control device includes arc-chutes
6, torsion spring 8 is set on the central rotating shaft 7 of the handle 1, and the elongated end 9 of the torsion spring 8 is connected with the lock 3, described to latch 3
Both ends set the first fixing groove 10, the second fixing groove 11 respectively, and limit is provided between first fixing groove 10, the second fixing groove 11
Position post 12, the elongated end 9 of the torsion spring 8 are arranged between first fixing groove 10, the second fixing groove 11 and limited post 12.
The handle 1, the annexation buckled between 2, lock 3 are toggle mechanism, and its specific connected mode is prior art, is not done herein
Repeat.
Further, the opposite side of its corresponding lock buckling groove 13 of the lock 3 is provided with the spacing convex wall coordinated with the tripping 2
14, the limited post 12 is arranged on the top of the spacing convex wall 14.To realize spacing convex wall to the current of the tripping 2, its
The limited post 12 of end is realized to the spacing of torsion spring again, to reach the purpose of reasonable utilization space.
It is upper described, any formal limitation is not done to the utility model, although the utility model is preferably to implement
Case discloses as above, but is not limited to the utility model, any person skilled in the art, is not departing from this hair
In the range of bright technical scheme, when structure and technology contents using the disclosure above make a little change or are modified to equivalent change
The equivalence enforcement case of change, but every content without departing from technical solution of the present invention, according to the present invention technical spirit to
Any simple modification, equivalent change and modification that upper case study on implementation is made, still belongs to technical solutions of the utility model scope.
Claims (2)
1. a kind of miniature circuit breaker, including be located in housing operating mechanism, tripping mechanism, contact mechanism, electromagnetic system and go out
Arc device, the operating mechanism include handle（1）, the tripping mechanism includes tripping（2）, lock（3）, the contact mechanism bag
Include moving contact（4）, the electromagnetic system includes magnet coil（5）, the arc-control device includes arc-chutes（6）, the handle（1）
Central rotating shaft（7）Upper setting torsion spring（8）, the torsion spring（8）Elongated end（9）With the lock（3）Connection, its feature exist
In：The lock（3）Both ends set the first fixing groove respectively（10）, the second fixing groove（11）, first fixing groove（10）,
Two fixing grooves（11）Between be provided with limited post（12）, the torsion spring（8）Elongated end（9）It is arranged on first fixing groove
（10）, the second fixing groove（11）And limited post（12）Between.
2. miniature circuit breaker according to claim 1, it is characterised in that：The lock（3）Its corresponding lock buckling groove（13）'s
Opposite side is provided with and the tripping（2）The spacing convex wall coordinated（14）, the limited post（12）It is arranged on the spacing convex wall
（14）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720848555.0U CN206849796U (en) | 2017-07-13 | 2017-07-13 | A kind of miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720848555.0U CN206849796U (en) | 2017-07-13 | 2017-07-13 | A kind of miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206849796U true CN206849796U (en) | 2018-01-05 |
Family
ID=60804595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720848555.0U Active CN206849796U (en) | 2017-07-13 | 2017-07-13 | A kind of miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206849796U (en) |
-
2017
- 2017-07-13 CN CN201720848555.0U patent/CN206849796U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |