CN206931546U - A kind of thermal tripping pull bar and miniature circuit breaker - Google Patents
A kind of thermal tripping pull bar and miniature circuit breaker Download PDFInfo
- Publication number
- CN206931546U CN206931546U CN201720654686.5U CN201720654686U CN206931546U CN 206931546 U CN206931546 U CN 206931546U CN 201720654686 U CN201720654686 U CN 201720654686U CN 206931546 U CN206931546 U CN 206931546U
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- rod
- connecting portion
- circuit breaker
- heat
- tripping
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Abstract
The utility model discloses a kind of thermal tripping pull bar and miniature circuit breaker.Technical scheme includes the body of rod, the body of rod both ends, which are respectively perpendicular, is bent with first connecting portion, second connecting portion, the first connecting portion is installed in the positioning hole of the tripping mechanism of miniature circuit breaker, and the second connecting portion is erected at the double gold plaque sides of heat of miniature circuit breaker, it is characterised in that：The body of rod is being provided with the upward bending part of angle at the double gold plaques of heat.Advantage is as follows：The pull bar of design is spacing to fix by the single positioning hole of tripping mechanism, using positioning hole as the center of circle, bending part at one is being further added by the double gold plaques of heat, can be subjected to displacement along moving contact divide-shut brake running orbit, with high stability and high sensitivity, and convenience spacing, quick for installation.
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
Miniature circuit breaker structure includes：Operating mechanism, tripping mechanism, contact mechanism, electromagnetic system and arc extinguishing in housing
Device, the operating mechanism include handle, and the tripping mechanism includes tripping, lock, and the contact mechanism includes moving contact machine
Structure, static contact mechanism, the electromagnetic system include magnet coil, and the arc-control device includes arc-chutes, and the handle passes through company
Bar connects tripping, and described magnet coil one end is connected with binding post, the connection of the other end and static contact mechanism, the dynamic contact mechanism
By the double gold plaques of flexible wire connection heat, thermal tripping pull bar is set between the lock and the double gold plaques of heat.
The displacement mode of existing thermal tripping pull bar is how in the majority to move linearly in the market, but displacement angle is larger, peace
Carry out steady brace with reference to two positioning holes during dress, the shortcomings of installation trouble and dropout poor sensitivity be present.
Utility model content
The technical problems to be solved in the utility model is to provide the small-sized open circuit of a kind of convenience quick for installation, high sensitivity
Device.
To solve the above problems, the technical solution adopted in the utility model includes the body of rod, the body of rod both ends are respectively perpendicular
First connecting portion, second connecting portion are bent with, the first connecting portion is installed on the positioning hole of the tripping mechanism of miniature circuit breaker
Interior, the second connecting portion is erected at the double gold plaque sides of heat of miniature circuit breaker, it is characterised in that：The body of rod is double close to heat
The upward bending part of angle is provided with gold plaque.
Described thermal tripping pull bar, it is characterised in that：The bending angle α of the bending part is 120 ° -160 °
Described thermal tripping pull bar, it is characterised in that：The bending angle α of the bending part is 140 °.
A kind of miniature circuit breaker, realized according to thermal tripping pull bar described above, including the operating mechanism, de- being located in housing
Buckle mechanism, contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle, the tripping mechanism include tripping,
Lock, the contact mechanism include dynamic contact mechanism, static contact mechanism, and the electromagnetic system includes magnet coil, the arc extinguishing
Device includes arc-chutes, and the handle connects tripping by connecting rod, described magnet coil one end is connected with binding post, the other end and
Static contact mechanism connects, and the dynamic contact mechanism connects the double gold plaques of heat by flexible wire, it is characterised in that：The lock front end
Positioning hole is set to be connected with the first connecting portion of the body of rod, the second connecting portion of the body of rod is erected at the double gold plaques one of the heat
Side, the body of rod are being provided with the upward bending part of angle at the double gold plaques of heat.
Miniature circuit breaker advantage of the present utility model is as follows：The pull bar of design fixes limit by the single positioning hole of tripping mechanism
Position, using positioning hole as the center of circle, bending part at one is being further added by the double gold plaques of heat, can sent out along moving contact divide-shut brake running orbit
Raw displacement, has high stability and high sensitivity, and convenience spacing, quick for installation.
Brief description of the drawings
The utility model is described further with reference to Figure of description.
Fig. 1,2 be the utility model thermal tripping pull bar different angle structural representation；
Fig. 3,4 be the utility model miniature circuit breaker structural representation.
Embodiment
Shown in reference picture 1-2, a kind of thermal tripping pull bar of the present utility model, including the body of rod 1, the both ends of the body of rod 1 difference
First connecting portion 2 and second connecting portion 3 vertically are bent with, the first connecting portion 2 is installed on the tripping mechanism of miniature circuit breaker
Positioning hole 4 in, the second connecting portion 3 is erected at the double sides of gold plaque 5 of heat of miniature circuit breaker, and the body of rod 1 is close to warm
At double gold plaques 5（At i.e. from second connecting portion 0.5-2cm）Provided with the upward bending part 6 of angle.
Further, the bending angle α of the bending part 6 is 120 ° -160 °, is most preferably：The bending of the bending part 6
Angle [alpha] is 140 °.
Shown in reference picture 3-4, a kind of miniature circuit breaker of the present utility model, including the operating mechanism, de- being located in housing
Buckle mechanism, contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle 7, and the tripping mechanism includes tripping
8th, 9 are latched, the contact mechanism includes dynamic contact mechanism 10, static contact mechanism 11, and the electromagnetic system includes magnet coil 12,
The arc-control device includes arc-chutes 13, and the handle 7 is connected by connecting rod 14 with tripping 8, described one end of magnet coil 12 with
Binding post 15 connects, static contact one end of the other end and static contact mechanism 11 connects, the moving contact one of the dynamic contact mechanism 10
End connects hot double gold plaques 5 by flexible wire 16.9 front ends of the lock set the first connecting portion of positioning hole 4 and the body of rod 1
2 connections, the second connecting portion 3 of the body of rod 1 are erected at the double sides of gold plaque 5 of the heat, and the body of rod 1 is close to the double gold of the heat
The upward bending part 6 of angle is provided with piece 5.
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 (4)
1. a kind of thermal tripping pull bar, including the body of rod（1）, the body of rod（1）Both ends, which are respectively perpendicular, is bent with first connecting portion（2）、
Second connecting portion（3）, the first connecting portion（2）It is installed on the positioning hole of the tripping mechanism of miniature circuit breaker（4）It is interior, described
Two connecting portions（3）It is erected at the double gold plaques of heat of miniature circuit breaker（5）Side, it is characterised in that：The body of rod（1）Double close to heat
Gold plaque（5）Place is provided with the upward bending part of angle（6）.
2. thermal tripping pull bar according to claim 1, it is characterised in that：The bending part（6）Bending angle α be
120°-160°。
3. thermal tripping pull bar according to claim 2, it is characterised in that：The bending part（6）Bending angle α be
140°。
4. a kind of miniature circuit breaker, being realized according to any one of the claim 1-3 thermal tripping pull bars, including it is located in housing
Operating mechanism, tripping mechanism, contact mechanism, electromagnetic system and arc-control device, the operating mechanism include handle（7）, it is described de-
Buckle mechanism includes tripping（8）, lock（9）, the contact mechanism includes dynamic contact mechanism（10）, static contact mechanism（11）, it is described
Electromagnetic system includes magnet coil（12）, the arc-control device includes arc-chutes（13）, the handle（7）Pass through connecting rod（14）With
Tripping（8）Connection, the magnet coil（12）One end and binding post（15）Connection, the other end and static contact mechanism（11）Connection,
The dynamic contact mechanism（10）Pass through flexible wire（16）The double gold plaques of connection heat（5）, it is characterised in that：The lock（9）Front end
Positioning hole is set（4）With the body of rod（1）First connecting portion（2）Connection, the body of rod（1）Second connecting portion（3）Set up
In the double gold plaques of the heat（5）Side, the body of rod（1）Close to the double gold plaques of the heat（5）Place is provided with the upward bending part of angle
（6）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654686.5U CN206931546U (en) | 2017-06-07 | 2017-06-07 | A kind of thermal tripping pull bar and miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720654686.5U CN206931546U (en) | 2017-06-07 | 2017-06-07 | A kind of thermal tripping pull bar and miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206931546U true CN206931546U (en) | 2018-01-26 |
Family
ID=61345014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720654686.5U Active CN206931546U (en) | 2017-06-07 | 2017-06-07 | A kind of thermal tripping pull bar and miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206931546U (en) |
-
2017
- 2017-06-07 CN CN201720654686.5U patent/CN206931546U/en active Active
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