CN209045465U - Miniature circuit breaker - Google Patents
Miniature circuit breaker Download PDFInfo
- Publication number
- CN209045465U CN209045465U CN201822049733.0U CN201822049733U CN209045465U CN 209045465 U CN209045465 U CN 209045465U CN 201822049733 U CN201822049733 U CN 201822049733U CN 209045465 U CN209045465 U CN 209045465U
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- China
- Prior art keywords
- contact
- tripping
- axis
- lock
- circuit breaker
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- 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.)
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- 230000003068 static effect Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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Abstract
Originally practical to be related to a kind of miniature circuit breaker, including operating mechanism, the operating mechanism includes handle, interlocking bar, tripping and lock, the operating mechanism further includes the contact support for being placed through the contact torsional spring of contact axis and being articulated with the contact axis, the contact is supported integrally formed with tripping axis and lock shaft, the tripping and the lock are pivotally mounted on the contact by the tripping axis and the lock shaft respectively and support, moving contact is supported to connect by the contact torsional spring and the contact.Setting through the above structure, lever is shaped in contact to support, upper hinged tripping and lock are supported in contact, moving contact is connected and fixed by contact torsional spring and contact support, it is easy to assembly, and stable contact pressure can be provided for dynamic/static contact, guarantee that moving contact is reliably electrically connected with the realization of static contact.The utility model has structure simple, easy to assembly, it is easy to accomplish the characteristics of breaker structure is miniaturized.
Description
Technical field
The utility model relates to a kind of miniature circuit breakers.
Background technique
Generally, the operating mechanism of miniature circuit breaker includes handle, handle torsional spring, U-shaped bar, tripping, lock, lever, touching
Head support, moving contact, the mechanism torsional spring supported for connecting lever and contact, the energy storage being set between shell and lever groove
Spring etc., setting is used for the tripping axis and lock shaft of hinged tripping and lock on lever, and contact is supported and lever passes through contact axis
It is coaxially pivotally mounted on shell, moving contact, which is fixed on contact by screw, to be supported.Inside the above miniature circuit breaker
Process is tedious for operating mechanism huge structure, assembling and debugging.
Summary of the invention
In view of this, that the purpose of this utility model is to provide a kind of structures is simple, convenient for assembling, be easily achieved micromation
Miniature circuit breaker.
In order to achieve the goal above, the utility model uses such a miniature circuit breaker, including operating mechanism, it is described
Operating mechanism includes handle, interlocking bar, tripping and lock, and the operating mechanism further includes the contact torsional spring for being placed through contact axis
And it is articulated with the contact support of the contact axis, the contact is supported integrally formed with tripping axis and lock shaft, institute
The tripping and the lock stated are pivotally mounted on the contact by the tripping axis and the lock shaft respectively
In support, moving contact is supported to connect by the contact torsional spring and the contact.Compared with prior art, the invention
Advantageous effects be: setting through the above structure, by lever be shaped in contact support on, contact support on
Hinged tripping and lock, moving contact is connected and fixed by contact torsional spring and contact support, easy to assembly, and can be mentioned for dynamic/static contact
For stable contact pressure, guarantee that moving contact is reliably electrically connected with the realization of static contact.The utility model has structure simple,
It is easy to assembly, it is easy to accomplish the characteristics of breaker structure is miniaturized.
Particularly, the contact is supported to extend anteriorly out the bracket for placing the moving contact, the contact
The wherein side of rear end is supported to be provided with clamping groove, the contact torsional spring includes sequentially connected first end, spring body, first
Link arm, the second link arm and second end, the first end are overlapped in the clamping groove, and second link arm is cross-placed on
On the moving contact, the second end is set to the other side of the moving contact.
Particularly, first link arm, second link arm and the second end are arranged in three-dimensional orthogonal.It is logical
Cross the setting of the above structure, it is convenient to assemble contact torsional spring, the both ends of contact torsional spring is enable to be stably fixed to contact branch
It holds, operating mechanism is more stable when acting.
Particularly, the first limiting section and the second limiting section, second limit is alternately arranged in front and back on the bracket
Through-hole for placing the contact axis is set in the portion of position.It, can be hinged by one end of moving contact piece by the setting of upper structure
It is supported in contact, limit is completed by the first limiting section and the second limiting section in the two sides of moving contact piece, finally, by the of contact torsional spring
Moving contact is fixed on contact securely and supported by two link arms, is made moving contact with the rotation that contact is supported and is completed with static contact
Opening and closing movement.
Particularly, the lock be equipped with the first connecting lever and the second connecting lever, first connecting lever be equipped with it is described
Tripping cooperation clamping groove, the lower end of second connecting lever position corresponding with the mandril of the electromagnetic mechanism is equipped with
Forced section, the force part is in the lower section that the contact is supported.Setting through the above structure, will be with upper contact head
Support structure is reliably coupled with electromagnetic protection, when there is short circuit in route where the contact of breaker, mandril
Forced section is struck, operating mechanism is made to quickly complete disjunction movement.
Detailed description of the invention
Fig. 1 is that the utility model embodiment removes the structural schematic diagram after upper cover；
Fig. 2 is the perspective view of the utility model embodiment moving contact component；
Fig. 3 is the perspective view of contact torsional spring in the utility model embodiment；
Fig. 4 is the perspective view that contact is supported in the utility model embodiment.
Fig. 5 is the perspective view of another angle of the utility model embodiment moving contact component.
In figure: 1, handle；2, interlocking bar；3, contact is supported；31, tripping axis；32, lock shaft；33, clamping groove；34, it holds in the palm
Frame；35, the first limiting section；36, the second limiting section；4, contact axis；5, tripping；6, contact torsional spring；61, first end；62, spring
Body；63, the first link arm；64, the second link arm；65, second end；7, it latches；71, forced section；8, moving contact.
Specific embodiment
As shown in Fig. 1~5, a kind of miniature circuit breaker, including operating mechanism, operating mechanism include handle 1, interlocking bar 2, jump
Button 5 and lock 7, operating mechanism further include the contact support for being placed through the contact torsional spring 6 of contact axis 4 and being articulated with contact axis 4
3, contact is supported to pass through tripping axis 31 and lock respectively integrally formed with tripping axis 31 and lock shaft 32, tripping 5 and lock 7 on 3
Axis 32 is pivotally mounted on contact and supports on 3, and moving contact 8 supports that 3 connect with contact by contact torsional spring 6.
Contact supports 3 to extend anteriorly out the bracket 34 for placing moving contact, and contact supports the wherein side setting of 3 rear ends
There is a clamping groove 33, contact torsional spring 6 includes sequentially connected first end 61, spring body 62, the first link arm 63, the second link arm 64 and the
Two ends 65, first end 61 are overlapped in clamping groove 33, and the second link arm 64 is cross-placed on moving contact 8, and second end 65 is set to
The other side of moving contact 8.
First link arm 63, the second link arm 64 and second end 65 are arranged in three-dimensional orthogonal.
The first limiting section 35 and the second limiting section 36 is alternately arranged in front and back on bracket 34, is arranged on the second limiting section 36 and uses
In the through-hole for placing contact axis 4.
Lock 7 is equipped with the first connecting lever and the second connecting lever, and the first connecting lever is equipped with the clamping groove 33 cooperated with tripping 5, the
The lower end of two connecting levers and the corresponding position of the mandril of electromagnetic mechanism are equipped with forced section 71, and forced section 71 is located at contact support 3
Lower section.
Claims (5)
1. a kind of miniature circuit breaker, including operating mechanism, the operating mechanism includes handle, interlocking bar, tripping and lock,
Be characterized in that: the operating mechanism further includes the touching for being placed through the contact torsional spring of contact axis and being articulated with the contact axis
Head supports that the contact is supported to lead to respectively integrally formed with tripping axis and lock shaft, the tripping and the lock
It crosses the tripping axis and the lock shaft is pivotally mounted on the contact and supports that moving contact passes through the contact
Torsional spring and the contact are supported to connect.
2. miniature circuit breaker according to claim 1, it is characterised in that: the contact support is extended anteriorly out for putting
The bracket of the moving contact is set, the contact supports the wherein side of rear end to be provided with clamping groove, the contact torsional spring
Including sequentially connected first end, spring body, the first link arm, the second link arm and second end, the first end is overlapped in
The clamping groove, second link arm are cross-placed on the moving contact, and the second end is set to described move
The other side of contact.
3. miniature circuit breaker according to claim 2, it is characterised in that: first link arm, second link arm
It is arranged with the second end in three-dimensional orthogonal.
4. miniature circuit breaker according to claim 2 or 3, it is characterised in that: front and back is alternately arranged on the bracket
First limiting section and the second limiting section, setting is for placing the through-hole of the contact axis on second limiting section.
5. miniature circuit breaker according to claim 1,2 or 3, it is characterised in that: the lock is equipped with the first connecting lever
With the second connecting lever, first connecting lever is equipped with the clamping groove cooperated with the tripping, the lower end of second connecting lever
Position corresponding with the mandril of electromagnetic mechanism is equipped with forced section, and the force part is in the lower section that the contact is supported.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049733.0U CN209045465U (en) | 2018-12-07 | 2018-12-07 | Miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822049733.0U CN209045465U (en) | 2018-12-07 | 2018-12-07 | Miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209045465U true CN209045465U (en) | 2019-06-28 |
Family
ID=67044341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822049733.0U Active CN209045465U (en) | 2018-12-07 | 2018-12-07 | Miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209045465U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021023203A1 (en) * | 2019-08-06 | 2021-02-11 | 博耳(无锡)电力成套有限公司 | Operation structure of circuit breaker |
-
2018
- 2018-12-07 CN CN201822049733.0U patent/CN209045465U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021023203A1 (en) * | 2019-08-06 | 2021-02-11 | 博耳(无锡)电力成套有限公司 | Operation structure of circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240410 Address after: No.3, Mount Taishan Road, Wenzhou Bridge Industrial Zone, Beibaixiang Town, Leqing City, Wenzhou City, Zhejiang Province 325600 Patentee after: Zhejiang zhishuo Electric Co.,Ltd. Country or region after: China Address before: 325603 No. 3, Taishan Road, Wenzhou Daqiao Industrial Zone, beibaixiang Town, Yueqing City, Wenzhou City, Zhejiang Province Patentee before: ZHEJIANG NUOKE ELECTRIC TECHNOLOGY CO.,LTD. Country or region before: China |
|
| TR01 | Transfer of patent right |