CN206610781U - The operating mechanism of high current miniature circuit breaker - Google Patents
The operating mechanism of high current miniature circuit breaker Download PDFInfo
- Publication number
- CN206610781U CN206610781U CN201621492319.1U CN201621492319U CN206610781U CN 206610781 U CN206610781 U CN 206610781U CN 201621492319 U CN201621492319 U CN 201621492319U CN 206610781 U CN206610781 U CN 206610781U
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- China
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- moving contact
- contact
- frame
- lock
- side plate
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Abstract
The utility model is related to a kind of operating mechanism of high current miniature circuit breaker, including moving contact frame, moving contact, lock, tripping, lock is hinged on the outside of the side plate of moving contact frame, tripping is hinged on the inner side of the side plate of moving contact frame upper end, side plate lower end has placed contact axle, the front of moving contact lower end sets movable contact, the contact pocket being adapted to contact axle is formed in the middle part of the moving contact back side, moving contact upper end is arranged between contact axle and moving contact frame, contact pocket is correspondingly arranged on contact axle, upper end is latched towards moving contact frame formation push rod, push rod is withstood on moving contact frame, push rod ensures that the distance between lock and moving contact frame can allow tripping to slip into just and clasp lock.The utility model sets push rod to withstand moving contact frame on lock, it is ensured that the relative position of lock and moving contact frame, it is ensured that tripping can be normally caught in or tripping.
Description
Technical field
The utility model is related to a kind of operating mechanism of miniature circuit breaker, especially a kind of behaviour of high current miniature circuit breaker
Make mechanism.
Background technology
Miniature circuit breaker is most popular a kind of terminal protection electrical equipment in architectural electricity terminal power distribution.It is existing
Miniature circuit breaker 1P width is 1 modulus i.e. 18mm, and this volume also defines the volume of the structure inside miniature circuit breaker,
The especially structure limitation of operating mechanism, the moving contact for preventing operating mechanism bigger from connecting limits the specified of miniature circuit breaker
The raising of electric current.
The content of the invention
The purpose of this utility model is solution above-mentioned technical problem, and there is provided a kind of compact, the big electricity of compact conformation
Flow the operating mechanism of miniature circuit breaker.
To achieve the above object, the utility model uses a kind of operating mechanism of high current miniature circuit breaker, including dynamic tactile
Head frame, moving contact, lock, tripping, moving contact frame are connected by two side plates by bottom plate, and lock is hinged on moving contact frame
The outside of side plate, tripping is hinged on the inner side of the side plate of moving contact frame upper end, and side plate lower end has placed contact axle, moving contact lower end
Front movable contact is set, the contact pocket being adapted to contact axle is formed in the middle part of the moving contact back side, moving contact upper end is arranged on contact
Between axle and moving contact frame, contact pocket is correspondingly arranged on contact axle, and contact torsion spring, contact torsion spring one are provided with moving contact frame
End is connected on moving contact frame, and the other end is connected to the front of moving contact upper end, and lock upper end forms push rod towards moving contact frame,
Push rod is withstood on moving contact frame, and push rod ensures that the distance between lock and moving contact frame can allow tripping to slip into just and clasp lock
Button.
The utility model is further arranged to the push rod and extends the sidewall width for making its width be more than lock to inner side, prolongs
Extending portion point is headed on moving contact frame.By the push rod extended internally, push rod is allowed not need the tilting moving contact with regard to inner side can be withstood on
It is more solid and reliable on frame.
The utility model is further arranged to place axis in the middle part of two side plates of the moving contact frame, contact torsion spring
Center is through on axis.
The utility model is further arranged on the side plate of the moving contact frame form contact torsion spring hook, and contact torsion spring is with moving
One end of contact rack connection is arranged in contact torsion spring hook.
The utility model is further arranged on the lock form right on a lock hook, the side side plate of moving contact frame
It should latch and lock torsion spring is provided with the axis outside hook-forming contact rack hook, side plate, lock torsion spring two ends are connected to lock
In hook and contact rack hook.
The utility model is further arranged to the moving contact frame upper end and forms spring connection position.
The side plate upper end that the utility model is further arranged to the moving contact frame side forms coupling bar.
The beneficial effects of the utility model are that contact pocket is set on moving contact by coordinating with the contact axle on moving contact frame
The positioning of moving contact is realized, and moving contact is given by torsion spring and is swung to static contact, operating mechanism is simple in construction, and moving contact is more
Greatly, bigger electric current can be passed through；Push rod is set to withstand moving contact frame on lock simultaneously, it is ensured that lock is relative with moving contact frame
Position, it is ensured that tripping can be normally caught in or tripping.
Brief description of the drawings
Fig. 1 is the schematic diagram of the utility model embodiment.
Fig. 2 is the front view of the utility model embodiment.
Fig. 3 is the sectional view of the utility model embodiment.
Fig. 4 is the side view of moving contact frame in the utility model embodiment.
Fig. 5 is the schematic diagram latched in the utility model embodiment.
Embodiment
As Figure 1-Figure 4, specific embodiment of the utility model is a kind of operating mechanism of high current miniature circuit breaker,
Including moving contact frame 1, moving contact 2, lock 3, tripping 4, moving contact frame 1 is connected by two side plates 11 by bottom plate 12, is moved
The middle part of two side plates 11 of contact rack 1 has placed axis 5, and the lower end of side plate 11 has placed contact axle 6, and the upper end of side plate 11 has been placed
Axle 7, lock 3 is hinged on the axis 5 in two outsides of side plate 11, and 3 upper ends of lock form push rod 33, push rod towards moving contact frame 1
33 withstand on moving contact frame 1, and push rod 33 ensures that lock 3 and the distance between moving contact frame 1 can allow tripping 4 to slip into and clasp just
Lock 3, push rod 33 extends the sidewall width for making its width be more than lock 3 to inner side, and extension is withstood on moving contact frame 1, is pushed up
The optimum width of bar 33 is to latch the width of 3 side walls and the width of the side plate 11 of moving contact frame 1 and both gap sums, lock 3
Lower end, which is formed, forms correspondence lock hook 31 on a lock hook 31, the side side plate 11 of moving contact frame 1 on tie rod hole 32, lock 3
Formed on the axis 5 outside contact rack hook 13, side plate 11 and be provided with lock torsion spring 52, the two ends of lock torsion spring 52 are connected to lock
In hook 31 and contact rack hook 13, the front of the lower end of moving contact 2 is set to be formed and contact axle 5 in the middle part of movable contact 21, the back side of moving contact 2
The contact pocket 22 of adaptation, the upper end of moving contact 2 is arranged between contact axle 6 and moving contact frame 1, and contact pocket 22 is correspondingly arranged at contact
On axle 6, formed on the side plate 11 of moving contact frame 1 on contact torsion spring hook 14, the axis 5 of two inner sides of side plate 11 and two contacts are set
Torsion spring 51, two contact torsion springs 51 are close to the inner side of side plate 11 of the both sides of moving contact frame 1, one end of two contact torsion springs 51 respectively
In the contact torsion spring hook 14 for being connected to two side plates 11, the other end is connected to the front of the upper end of moving contact 2, and tripping 4 is hinged
On the upper axle 7 of the inner side of side plate 11, the upper end of moving contact frame 1 forms spring connection position 15, the side plate 11 of the upper end side of moving contact frame 1
Upper end forms coupling bar 16.
The utility model is not limited to above-described embodiment, and other are obviously deformed in protection of the present utility model
In the range of.
Claims (7)
1. a kind of operating mechanism of high current miniature circuit breaker, including moving contact frame, moving contact, lock, tripping, moving contact frame by
Two side plates are connected by bottom plate, and lock is hinged on the outside of the side plate of moving contact frame, and tripping is hinged on moving contact frame
The inner side of the side plate at end, side plate lower end has placed contact axle, and the front of moving contact lower end is set in the middle part of movable contact, the moving contact back side
The contact pocket being adapted to contact axle is formed, moving contact upper end is arranged between contact axle and moving contact frame, and contact pocket is correspondingly arranged
Contact torsion spring is provided with contact axle, on moving contact frame, contact one end is connected on moving contact frame, and the other end is connected to
The front of moving contact upper end, it is characterised in that：The lock upper end withstands on moving contact frame towards moving contact frame formation push rod, push rod
On.
2. the operating mechanism of high current miniature circuit breaker according to claim 1, it is characterised in that：The push rod is to inner side
Extension makes its width be more than the sidewall width of lock, and extension is headed on moving contact frame.
3. the operating mechanism of high current miniature circuit breaker according to claim 1 or 2, it is characterised in that：The moving contact
Axis is placed in the middle part of two side plates of frame, the center of contact torsion spring is through on axis.
4. the operating mechanism of high current miniature circuit breaker according to claim 3, it is characterised in that：The moving contact frame
Contact torsion spring hook is formed on side plate, one end that contact torsion spring is connected with moving contact frame is arranged in contact torsion spring hook.
5. the operating mechanism of high current miniature circuit breaker according to claim 4, it is characterised in that：Formed on the lock
Lock is provided with axis on one lock hook, the side side plate of moving contact frame outside correspondence lock hook-forming contact rack hook, side plate
Twist buckle spring, lock torsion spring two ends are connected in lock hook and contact rack hook.
6. the operating mechanism of high current miniature circuit breaker according to claim 1 or 2, it is characterised in that：The moving contact
Frame upper end forms spring connection position.
7. the operating mechanism of high current miniature circuit breaker according to claim 1 or 2, it is characterised in that：The moving contact
The side plate upper end of frame side forms coupling bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492319.1U CN206610781U (en) | 2016-12-31 | 2016-12-31 | The operating mechanism of high current miniature circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621492319.1U CN206610781U (en) | 2016-12-31 | 2016-12-31 | The operating mechanism of high current miniature circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206610781U true CN206610781U (en) | 2017-11-03 |
Family
ID=60171129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621492319.1U Active CN206610781U (en) | 2016-12-31 | 2016-12-31 | The operating mechanism of high current miniature circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206610781U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887236A (en) * | 2017-12-27 | 2018-04-06 | 合兴集团有限公司 | A kind of operating mechanism of miniature circuit breaker |
| CN110534382A (en) * | 2019-09-25 | 2019-12-03 | 周义才 | A kind of DPN air switch or leakage switch dynamic contact mechanism |
-
2016
- 2016-12-31 CN CN201621492319.1U patent/CN206610781U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107887236A (en) * | 2017-12-27 | 2018-04-06 | 合兴集团有限公司 | A kind of operating mechanism of miniature circuit breaker |
| CN107887236B (en) * | 2017-12-27 | 2020-08-07 | 合兴集团有限公司 | Operating mechanism of miniature circuit breaker |
| CN110534382A (en) * | 2019-09-25 | 2019-12-03 | 周义才 | A kind of DPN air switch or leakage switch dynamic contact mechanism |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |