CN210805671U - Locking device of reclosing circuit breaker - Google Patents
Locking device of reclosing circuit breaker Download PDFInfo
- Publication number
- CN210805671U CN210805671U CN201922444447.9U CN201922444447U CN210805671U CN 210805671 U CN210805671 U CN 210805671U CN 201922444447 U CN201922444447 U CN 201922444447U CN 210805671 U CN210805671 U CN 210805671U
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- China
- Prior art keywords
- pull rod
- casing
- circuit breaker
- stir
- piece
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Abstract
The utility model relates to a locking device of reclosing lock circuit breaker, which comprises a housin, the locking subassembly of setting in the casing, the locking subassembly is including rotating the setting in the casing and with circuit breaker hasp axle complex stir the piece, the activity sets up in the through-hole of casing and with stir a matched with pull rod, set up the reset spring between pull rod and casing, one of pull rod is served and is provided with the lockhole, and one side department that corresponds the lockhole on the pull rod is provided with the pulling lug that extends outside the casing, the other end of pull rod is provided with and stirs a matched with hook-shaped body, stir and be provided with on the piece and collude body matched with draw-in groove, hook-shaped body block in the draw-in groove, and constitute the linkage cooperation of stirring piece and pull rod, and stir the piece and just can contradict at circuit breaker hasp epaxially along with the action of pull rod. The utility model has the advantages of simple structure, stable and reliable performance, small volume and high safety.
Description
Technical Field
The utility model relates to a small-size reclosing lock circuit breaker technical field, concretely relates to locking device of reclosing lock circuit breaker.
Background
At present, the opening and closing actions of the traditional miniature circuit breaker need manual operation. With the development of smart power grids, miniature circuit breaker products capable of reliably realizing automatic opening and closing are urgently needed. Therefore, an electrically operated device which can drive the opening and closing operations of the small circuit breaker has appeared on the market in cooperation with the small circuit breaker. Through sending the instruction to this electric operating means, can realize the automatic separating brake of remote drive miniature circuit breaker, close a floodgate, and do not need artifical manually operation, effectively practiced thrift manpower and materials, use extensively day by day. The electrically operated device of the miniature circuit breaker is an accessory for a remote automatic opening and closing circuit breaker. However, when the circuit is broken down and needs to be repaired, the handle of the electric operating device is possibly operated by people by mistake, and the safety threat is caused to the maintainers. In order to ensure the personal safety of maintainers, the existing small-sized reclosing circuit breaker is provided with a locking mechanism for locking a handle of an electric operating device, and the locking device of the existing reclosing circuit breaker has many parts, complex structure and large occupied space, so that the whole size of the electric operating device is large.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a simple structure, stable performance is reliable, small, the high security reclosing lock circuit breaker's locking device.
In order to achieve the purpose, the utility model adopts a locking device of a reclosing circuit breaker, which comprises a shell and a locking component arranged in the shell, the locking assembly comprises a shifting piece which is rotatably arranged in the shell and is matched with the breaker lock shaft, a pull rod which is movably arranged in the through hole of the shell and is matched with the shifting piece, and a return spring which is arranged between the pull rod and the shell, wherein one end of the pull rod is provided with a lock hole, a pulling lug extending outside the shell is arranged at one side of the pull rod corresponding to the lock hole, a hook body matched with the poking piece is arranged at the other end of the pull rod, the toggle piece is provided with a clamping groove matched with the hook-shaped body, the hook-shaped body is clamped in the clamping groove, and the shifting piece is in linkage fit with the pull rod, acts along with the pull rod and can abut against the circuit breaker lock catch shaft, and the circuit breaker can be locked.
The beneficial effect of above-mentioned structure is: this locking device has simple structure, the stable performance is reliable, and is small, the advantage of high security, when overhauing, the pulling pull rod, the pull rod drives to dial the piece and rotates, dial the piece and contradict in circuit breaker hasp epaxially, and can hang the padlock on the lockhole of pull rod, thereby the circuit breaker is in the dropout state, the unable combined floodgate of circuit breaker, thereby the maintainer of being convenient for overhauls, effectively avoid because of the incident that the maloperation causes, the security is higher, and this locking device's structural design is simple, the volume is littleer.
Particularly, the shell in the corresponding pull rod department be provided with the direction sand grip, the pull rod on be provided with the recess of direction sand grip matched with, the recess block is on the direction sand grip, and constitutes the sliding connection cooperation of pull rod and shell. The pull rod and the shell are in clamping fit, so that the pull rod and the shell can be conveniently assembled, and the pull rod and the shell are in sliding connection fit, so that the pull rod can reliably act in the shell, and the working reliability of the locking device is improved.
Particularly, one side of the pull rod is provided with a supporting block, a boss is arranged on the supporting block, one end of the reset spring is clamped on the boss, the other end of the reset spring is abutted against the inner wall of the shell, and the reset spring is in clamping fit with the pull rod and the shell. The reset spring is clamped between the pull rod and the shell, so that the assembly of the reset spring is facilitated, the pull rod can be reliably reset, and the reliability of the working of the locking device is facilitated.
Drawings
Fig. 1 is a diagram of a locking structure according to an embodiment of the present invention.
Fig. 2 is a structure diagram of an unlocking state of the present invention.
Fig. 3 is an internal structure diagram of the embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 3, an embodiment of the present invention is a locking device for a reclosing circuit breaker, including a housing 10 and a locking assembly 20 disposed in the housing 10, wherein the locking assembly 20 includes a toggle member 21 rotatably disposed in the housing 10 and engaged with a latch shaft 11 of the circuit breaker, a pull rod 22 movably disposed in a through hole 101 of the housing 10 and engaged with the toggle member 21, and a return spring 23 disposed between the pull rod 22 and the housing 10, one end of the pull rod 22 is provided with a locking hole 221, and a pulling protrusion 222 extending outside the housing 10 is disposed on one side of the pull rod 22 corresponding to the locking hole 221, the other end of the pull rod 22 is provided with a hook 223 engaged with the toggle member 21, the toggle member 21 is provided with a locking groove 211 engaged with the hook 223, the hook 223 is engaged in the locking groove 211, and constitutes a linkage engagement between the toggle member 21 and the pull rod 22, the toggle member 21 acts with the pull rod 22 and can be abutted against the breaker latch shaft 11, and the breaker can be locked.
As shown in fig. 3, a guiding protrusion 102 is disposed in the housing 10 corresponding to the pull rod 22, a groove 224 is disposed on the pull rod 22 and is engaged with the guiding protrusion 102, and the groove 224 is engaged with the guiding protrusion 102 to form a sliding connection engagement between the pull rod 22 and the housing 10. The pull rod and the shell are in clamping fit, so that the pull rod and the shell can be conveniently assembled, and the pull rod and the shell are in sliding connection fit, so that the pull rod can reliably act in the shell, and the working reliability of the locking device is improved. A supporting block 225 is arranged on one side of the pull rod 22, a boss 226 is arranged on the supporting block 225, one end of the return spring 23 is clamped on the boss 226, the other end of the return spring 23 is abutted against the inner wall of the shell 10, and the return spring 23 is in clamping fit with the pull rod 22 and the shell 10. The reset spring is clamped between the pull rod and the shell, so that the assembly of the reset spring is facilitated, the pull rod can be reliably reset, and the reliability of the working of the locking device is facilitated.
This locking device has simple structure, the stable performance is reliable, and is small, the advantage of high security, when overhauing, the pulling pull rod, the pull rod drives to dial the piece and rotates, dial the piece and contradict in circuit breaker hasp epaxially, and can hang the padlock on the lockhole of pull rod, thereby the circuit breaker is in the dropout state, the unable combined floodgate of circuit breaker, thereby the maintainer of being convenient for overhauls, effectively avoid because of the incident that the maloperation causes, the security is higher, and this locking device's structural design is simple, the volume is littleer.
Claims (3)
1. The utility model provides a reclosing circuit breaker's locking device, includes the casing, sets up the locking Assembly in the casing, its characterized in that: the locking subassembly including rotate set up in the casing and with circuit breaker hasp axle complex stir the piece, the activity set up in the through-hole of casing and with stir a matched with pull rod, set up the reset spring between pull rod and casing, one of pull rod serve and be provided with the lockhole, and one side department that corresponds the lockhole on the pull rod is provided with the pulling lug that extends outside the casing, the other end of pull rod be provided with stir a matched with and collude the body, stir and be provided with on the piece and collude body matched with draw-in groove, collude the body block in the draw-in groove, and constitute the linkage cooperation of stirring piece and pull rod, and stir the piece and just can contradict at circuit breaker hasp epaxially along with the action of pull rod, and can realize the locking of circuit breaker.
2. The locking device of the reclosing circuit breaker according to claim 1, characterized in that: the shell in the corresponding pull rod department be provided with the direction sand grip, the pull rod on be provided with direction sand grip matched with recess, the recess block is on the direction sand grip, and constitutes the sliding connection cooperation of pull rod and shell.
3. The locking device of the reclosing circuit breaker according to claim 1 or 2, characterized in that: one side of pull rod on be provided with the supporting shoe, be provided with the boss on this supporting shoe, reset spring's one end block on the boss, reset spring's the other end is contradicted on the inner wall of casing, and constitutes the joint cooperation of reset spring and pull rod, casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444447.9U CN210805671U (en) | 2019-12-30 | 2019-12-30 | Locking device of reclosing circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922444447.9U CN210805671U (en) | 2019-12-30 | 2019-12-30 | Locking device of reclosing circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210805671U true CN210805671U (en) | 2020-06-19 |
Family
ID=71233159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922444447.9U Active CN210805671U (en) | 2019-12-30 | 2019-12-30 | Locking device of reclosing circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210805671U (en) |
-
2019
- 2019-12-30 CN CN201922444447.9U patent/CN210805671U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |