CN216597472U - Circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing - Google Patents
Circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing Download PDFInfo
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- CN216597472U CN216597472U CN202123307727.9U CN202123307727U CN216597472U CN 216597472 U CN216597472 U CN 216597472U CN 202123307727 U CN202123307727 U CN 202123307727U CN 216597472 U CN216597472 U CN 216597472U
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- moving contact
- circuit breaker
- contact body
- bouncing
- locking device
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Abstract
The utility model discloses a circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing, which comprises a moving contact body and a static contact, wherein one side of the moving contact body is provided with a pushing component for moving the moving contact body, the pushing component is arranged on one side surface of a supporting plate, the lower part of one side surface of the supporting plate is provided with a vertical frame, and one side of the vertical frame is provided with a locking component for fixing the position of the moving contact body; the pushing assembly comprises a permanent magnet driving mechanism, the permanent magnet driving mechanism is arranged on one side surface of the supporting plate, one end of the permanent magnet driving mechanism is connected with one side surface of the rack, the rack is arranged on one side surface in the adjusting box and meshed with the gear, the gear is arranged at one end of the rotating shaft, the rotating shaft is rotatably arranged in the middle of the adjusting box, and one end of the rotating shaft is connected with the moving contact body. The utility model discloses can be to making movable contact body and static contact quickly separating, and the isolated position is fixed, and the buffering protectiveness is good.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to circuit breaker mechanism with locking device who prevents moving contact separating brake spring.
Background
The circuit breaker generally realizes quick breaking through an instantaneous release, thereby greatly shortening the time of instantaneous release of the circuit breaker. The instantaneous release will trip immediately without delay once the loop current exceeds the set point of the system, and the faster the current rises, the faster the response and the shorter the action time. The instantaneous release mainly adopts the magnetic tripping principle, and when the current rises, the current flows through a magnetic field formed by a main loop to drive the permanent magnet operating mechanism to act, so that the breaker is immediately switched off.
Chinese patent discloses a circuit breaker mechanism (grant publication No. CN212587430U) with locking device that prevents moving contact separating brake bounce, this patent technique can effectively prevent the bounce of moving contact separating brake to realize that the circuit breaker reliably divides disconnected, however, it can't make moving contact and static contact carry out the quickly separating, the separation operation is inconvenient, simultaneously its separation back can't carry out the locking to the position of moving contact, easily cause the moving and reset the removal, and when resetting the removal, easily cause the moving contact collision, influence later stage contact accuracy. Therefore, those skilled in the art have provided a circuit breaker mechanism with a locking device for preventing the moving contact from opening and bouncing, so as to solve the problems mentioned in the background art.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing, which comprises a moving contact body and a static contact, wherein one side of the moving contact body is provided with a pushing component for moving the moving contact body, the pushing component is arranged on one side surface of a supporting plate, the lower part of one side surface of the supporting plate is provided with a vertical frame, and one side of the vertical frame is provided with a locking component for fixing the position of the moving contact body;
the pushing assembly comprises a permanent magnet driving mechanism, the permanent magnet driving mechanism is arranged on one side surface of the supporting plate, one end of the permanent magnet driving mechanism is connected with one side surface of the rack, the rack is arranged on one side surface in the adjusting box, the rack is meshed with the gear, the gear is arranged at one end of the rotating shaft, the rotating shaft is rotatably arranged in the middle of the adjusting box, one end of the rotating shaft is connected with the moving contact body, and the adjusting box is arranged on one side surface of the supporting plate.
In one embodiment, the bottom of the rack is provided with a limiting block, the limiting block is arranged in a limiting groove in a sliding mode, and the limiting groove is formed in the bottom of the adjusting box.
In one embodiment, the locking assembly comprises an arc-shaped carrying platform, an arc-shaped guide groove is formed in the inner surface of the arc-shaped carrying platform, a guide block is arranged in the arc-shaped guide groove, one end of the guide block is connected with one end of the moving contact body, a box body is arranged on one side in the arc-shaped guide groove, a bayonet lock is arranged in the box body, an electromagnet is arranged on one side surface in the bayonet lock, a reset spring is arranged on one side surface in the box body, and one end of the reset spring is connected with the bayonet lock.
In one embodiment, a clamping block is arranged on one side surface of the clamping pin, one end of the clamping block is slidably arranged in a clamping groove, and the clamping groove is formed in one side surface of the box body.
In one embodiment, an elastic buffer pad is arranged on one side surface in the arc-shaped guide groove.
In one embodiment, a guide rod is arranged on one side surface of the elastic buffer pad, one end of the guide rod is slidably arranged in a receiving groove, the receiving groove is formed in one side surface of the arc-shaped guide groove, a damping spring is arranged on one side surface of the receiving groove, and one end of the damping spring is connected with the guide rod.
The utility model has the advantages that:
1. the utility model discloses a transmission of rack and gear can make movable contact body and static contact carry out the quickly separating, the separation simple operation.
2. The utility model discloses a setting of locking subassembly can be fixed the position of the moving contact body after the separation, has avoided the moving contact body to reset the condition of removing and has taken place.
3. The utility model discloses can carry out spacing buffering to the moving contact body after reseing, avoid the condition emergence that the moving contact body collision warp, guarantee the contact accuracy of moving contact body and static contact.
Drawings
Fig. 1 is a schematic structural diagram of a circuit breaker mechanism having a locking device for preventing a moving contact from opening and bouncing according to an embodiment of the present application.
Fig. 2 is a schematic rear sectional view of a pushing assembly in a circuit breaker mechanism having a locking device for preventing a moving contact from opening and bouncing according to an embodiment of the present disclosure.
Fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic cross-sectional front view of a latch assembly in a circuit breaker mechanism having a locking device for preventing a moving contact from opening and bouncing according to an embodiment of the present disclosure.
Fig. 5 is a schematic partial top sectional view of a latch assembly in a circuit breaker mechanism having a locking device for preventing a moving contact from opening and bouncing according to an embodiment of the present disclosure.
Fig. 6 is a partially enlarged structural view at B in fig. 4.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
As shown in fig. 1 to 6, the utility model provides a circuit breaker mechanism with a locking device for preventing the moving contact from separating brake and bouncing. In an embodiment, as shown in fig. 1 to 3, the present embodiment provides a circuit breaker mechanism having a locking device for preventing a moving contact from opening and bouncing, including a moving contact body 2 and a fixed contact 3, a pushing component 1 for moving the moving contact body 2 is disposed on one side of the moving contact body 2, the pushing component 1 is disposed on a side surface of a supporting plate 6, a stand 5 is disposed on a lower portion of a side surface of the supporting plate 6, and a locking component 4 for fixing a position of the moving contact body 2 is disposed on one side of the stand 5.
The push component 1 comprises a permanent magnet driving mechanism 12, the permanent magnet driving mechanism 12 is arranged on one side surface of the support plate 6, one end of the permanent magnet driving mechanism 12 is connected with one side surface of the rack 16, the rack 16 is arranged on one side surface in the adjusting box 11, the rack 16 is meshed with the gear 17, the gear 17 is arranged at one end of the rotating shaft 13, the rotating shaft 13 is rotatably arranged at the middle part in the adjusting box 11, one end of the rotating shaft 13 is connected with the moving contact body 2, the adjusting box 11 is arranged on one side surface of the support plate 6, the moving contact body 2 and the static contact 3 can be rapidly separated, and the separation operation is convenient and rapid.
The limiting block 15 is arranged at the bottom of the rack 16, the limiting block 15 is arranged in the limiting groove 14 in a sliding mode, the limiting groove 14 is formed in the bottom of the adjusting box 11, the rack 16 moves to drive the limiting block 15 to move in the limiting groove 14, and therefore the guidance of the rack 16 in the moving process is improved.
In an embodiment, as shown in fig. 4 and 5, the locking assembly 4 includes an arc-shaped carrier 41, an arc-shaped guide groove 42 is formed in an inner surface of the arc-shaped carrier 41, a guide block 43 is arranged in the arc-shaped guide groove 42, one end of the guide block 43 is connected with one end of the movable contact body 2, a box body 47 is arranged on one side in the arc-shaped guide groove 42, a bayonet 45 is arranged in the box body 47, an electromagnet 44 is arranged on a side surface in the bayonet 45, a return spring 46 is arranged on a side surface in the box body 47, one end of the return spring 46 is connected with the bayonet 45, the position of the separated movable contact body 2 can be fixed, and the occurrence of the reset movement of the movable contact body 2 is avoided.
Bayonet lock 45 side surface sets up joint piece 49, and joint piece 49 one end slides and sets up at joint groove 48, and joint groove 48 is seted up in box body 47 side surface, can improve the guidance quality when bayonet lock 45 removes.
In one embodiment, as shown in fig. 6, an elastic cushion 401 is disposed on a side surface in the arc-shaped guide groove 42, a guide rod 402 is disposed on a side surface of the elastic cushion 401, one end of the guide rod 402 is slidably disposed in the accommodating groove 404, the accommodating groove 404 is disposed on a side surface in the arc-shaped guide groove 42, a damping spring 403 is disposed on a side surface in the accommodating groove 404, one end of the damping spring 403 is connected to the guide rod 402, so as to perform limit buffering on the reset moving contact body 2, avoid the occurrence of collision deformation of the moving contact body 2, and ensure the contact precision between the moving contact body 2 and the static contact 3.
The utility model discloses a theory of operation is:
firstly, the permanent magnet driving mechanism 12 pushes the rack 16 to move, the rack 16 moves to drive the gear 17 to rotate, the gear 17 rotates to drive the rotating shaft 13 to rotate, the rotating shaft 13 drives the moving contact body 2 to rotate, then the moving contact body 2 is separated from the static contact 3, and the moving contact body 2 rotates to drive the guide block 43 to move in the arc-shaped guide groove 42.
Then, the electromagnet 44 circuit is switched on, the electromagnet 44 is connected with the guide block 43 in an adsorption manner, the bayonet 45 is attached to the guide block 43, the bayonet 45 fixes the guide block 43, the bayonet 45 stretches the return spring 46, when the movable contact body 2 needs to be in contact with the static contact 3, the electromagnet 44 circuit is switched off, the return spring 46 drives the bayonet 45 to move in a return manner, the permanent magnet driving mechanism 12 drives the rack 16 to move in a return manner, the rotating shaft 13 rotates in a rotation manner, the movable contact body 2 drives the guide block 43 to move in a return manner, when the movable contact body 2 contacts the elastic buffer pad 401, the elastic buffer pad 401 drives the guide rod 402 to compress the damping spring 403, the damping spring 403 absorbs the impact force of the guide block 43, and the guide block 43 can be buffered in a return manner.
It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art and related fields without creative efforts shall fall within the protection scope of the present disclosure. The structures, devices, and methods of operation of the present invention, not specifically described and illustrated, are generally practiced by those of ordinary skill in the art without specific recitation or limitation.
Claims (6)
1. A circuit breaker mechanism with a locking device for preventing a moving contact from separating and bouncing comprises a moving contact body and a fixed contact, and is characterized in that a pushing assembly used for moving the moving contact body is arranged on one side of the moving contact body, the pushing assembly is arranged on the surface of one side of a supporting plate, a vertical frame is arranged on the lower portion of the surface of one side of the supporting plate, and a locking assembly used for fixing the position of the moving contact body is arranged on one side of the vertical frame;
the pushing assembly comprises a permanent magnet driving mechanism, the permanent magnet driving mechanism is arranged on one side surface of the supporting plate, one end of the permanent magnet driving mechanism is connected with one side surface of the rack, the rack is arranged on one side surface in the adjusting box, the rack is meshed with the gear, the gear is arranged at one end of the rotating shaft, the rotating shaft is rotatably arranged in the middle of the adjusting box, one end of the rotating shaft is connected with the moving contact body, and the adjusting box is arranged on one side surface of the supporting plate.
2. The circuit breaker mechanism with a locking device for preventing the moving contact from separating and bouncing as claimed in claim 1, wherein a limiting block is arranged at the bottom of the rack, the limiting block is slidably arranged in a limiting groove, and the limiting groove is arranged at the bottom of the regulating box.
3. The circuit breaker mechanism with a locking device for preventing the moving contact from separating and bouncing as claimed in claim 1, wherein the locking assembly comprises an arc-shaped carrying platform, an arc-shaped guide groove is formed in the inner surface of the arc-shaped carrying platform, a guide block is arranged in the arc-shaped guide groove, one end of the guide block is connected with one end of the moving contact body, a box body is arranged on one side in the arc-shaped guide groove, a clamping pin is arranged in the box body, an electromagnet is arranged on one side surface in the clamping pin, a return spring is arranged on one side surface in the box body, and one end of the return spring is connected with the clamping pin.
4. The circuit breaker mechanism with locking device for preventing the moving contact from separating and bouncing as claimed in claim 3, wherein a clamping block is arranged on one side surface of the clamping pin, one end of the clamping block is slidably arranged in a clamping groove, and the clamping groove is formed on one side surface of the box body.
5. The circuit breaker mechanism with a locking device for preventing the moving contact from separating brake and bouncing as claimed in claim 3, wherein an elastic buffer pad is arranged on one side surface inside the arc-shaped guide groove.
6. The circuit breaker mechanism with a locking device for preventing the moving contact from separating and bouncing as claimed in claim 5, wherein a guide rod is disposed on one side surface of the elastic buffer pad, one end of the guide rod is slidably disposed in a receiving groove, the receiving groove is opened on one side surface of the arc-shaped guide groove, a damping spring is disposed on one side surface of the receiving groove, and one end of the damping spring is connected with the guide rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123307727.9U CN216597472U (en) | 2021-12-27 | 2021-12-27 | Circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123307727.9U CN216597472U (en) | 2021-12-27 | 2021-12-27 | Circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216597472U true CN216597472U (en) | 2022-05-24 |
Family
ID=81617702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123307727.9U Active CN216597472U (en) | 2021-12-27 | 2021-12-27 | Circuit breaker mechanism with locking device for preventing moving contact from separating brake and bouncing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216597472U (en) |
-
2021
- 2021-12-27 CN CN202123307727.9U patent/CN216597472U/en active Active
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