CN217114283U - Locking assembly of electric operating mechanism of circuit breaker - Google Patents
Locking assembly of electric operating mechanism of circuit breaker Download PDFInfo
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- CN217114283U CN217114283U CN202220826112.2U CN202220826112U CN217114283U CN 217114283 U CN217114283 U CN 217114283U CN 202220826112 U CN202220826112 U CN 202220826112U CN 217114283 U CN217114283 U CN 217114283U
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- locking
- slider
- plate
- operating mechanism
- circuit breaker
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Abstract
The utility model relates to a circuit breaker electric operating mechanism's locking assembly, including framework, setting safety lock on the framework, with safety lock linkage complex locking subassembly, the locking subassembly include with the cooperation of safety lock linkage and can lock electric operating mechanism's the fastener that takes off at the interlocking piece of dropout state, be used for controlling electric operating mechanism's motor circular telegram or the micro-gap switch of outage, with interlocking piece linkage complex slider jam plate, interlocking piece just can trigger micro-gap switch along with the safety lock action, realize micro-gap switch's switch-on or disconnection, slider jam plate just can contradict on electric operating mechanism's slider along with the interlocking piece action, and realize the locking or the unblock of slider jam plate and slider. The utility model has the advantages of simple structure, stable performance, reliable performance, simple operation, high security.
Description
Technical Field
The utility model relates to a circuit breaker technical field, concretely relates to circuit breaker electric operating mechanism's locking assembly.
Background
The breaker is a distribution electrical appliance used in the power grid, and can connect, bear and break the current under normal circuit conditions, and also can connect, bear and break the current for a certain time under the specified abnormal conditions (such as overload, short circuit, undervoltage and single-phase earth fault). The electric operating mechanism is a special accessory for the plastic shell type circuit breaker, and can electrically close, open and detain the circuit breaker again in a long distance after being matched with the circuit breaker so as to realize the centralized and automatic control of the power transmission and distribution network. With the development of electric power utilities, the operation mechanism of the molded case circuit breaker has gradually become the mainstream of the current development, and the design is developed towards miniaturization and intellectualization. In order to ensure the personal safety of maintenance personnel, the existing circuit breaker electric operating mechanisms are all provided with locking assemblies, and the locking assemblies can prevent other people from opening or closing the circuit breaker at will.
Disclosure of Invention
An object of the utility model is to overcome prior art's defect, provide a circuit breaker electric operating mechanism's locking assembly of simple structure, dependable performance, simple operation, security height.
In order to realize the above-mentioned purpose, the utility model discloses a circuit breaker electric operating mechanism's locking assembly, including the framework, set up the safety lock on the framework, with safety lock linkage complex locking subassembly, the locking subassembly include with the safety lock linkage cooperation and can lock electric operating mechanism's the fastener that takes off at the interlocking piece of dropout state, be used for controlling electric operating mechanism's motor circular telegram or the micro-gap switch of outage, with interlocking piece linkage complex slider jam plate, the interlocking piece just can trigger micro-gap switch along with the safety lock action, realize micro-gap switch's switch-on or disconnection, slider jam plate along with the interlocking piece action and can contradict on electric operating mechanism's slider, and realize the locking or the unblock of slider jam plate and slider.
The beneficial effect of above-mentioned structure is: during operation, a user rotates a lock cylinder in the safety lock through a key, the lock cylinder drives an interlocking piece to act, and the interlocking piece can trigger the microswitch, so that the power-on or power-off of a motor of the electric operating mechanism can be controlled, and the electric function of the electric operating mechanism can be locked; the locking plate can lock the release piece, a user cannot press the release piece, the circuit breaker cannot release and open the brake, and the locking of the locking assembly can be realized; and the interlocking piece can drive the slide block locking plate to act, the slide block locking plate can be abutted on the slide block and can lock the slide block, and a user can not manually open and close the switch, so that the circuit breaker can be prevented from being opened or closed by others at will, and the safety performance of the locking assembly of the electric operating mechanism of the circuit breaker can be improved. The locking assembly of the electric operating mechanism of the circuit breaker adopts a triple interlocking structural design, so that the safety performance of the locking assembly is effectively improved. Therefore, the locking assembly of the electric operating mechanism of the circuit breaker has the advantages of simple structure, stable and reliable performance, convenience in operation and high safety.
Particularly, interlocking on correspond slider jam plate department and be provided with and dial the board, the slider jam plate rotate and set up on the framework, and be provided with the extension spring between slider jam plate and the framework, dial the board and move and can drive the slider jam plate rotation along with the interlocking, and constitute and dial the linkage cooperation of board and slider jam plate, the slider jam plate have with slider matched with locking bar, this locking bar moves and contradicts on the slider along with the slider jam plate, and constitutes the spacing cooperation of slider jam plate and slider. The interlocking piece drives the sliding block locking plate to act through the shifting plate, and the locking strip for locking the sliding block locking plate can abut against the sliding block, so that the sliding block locking plate and the sliding block can be locked, the circuit breaker can be prevented from being switched off or switched on at will by other people, and the working reliability of the locking assembly can be improved.
Particularly, the shifting plate is provided with a shifting rod, the sliding block locking plate is provided with a locking groove matched with the shifting rod, and the shifting rod is inserted in the locking groove and forms linkage matching of the sliding block locking plate and the shifting rod. The shifting rod of the shifting plate is clamped in the lock groove of the sliding block lock plate, so that the shifting plate can be ensured to reliably drive the sliding block lock plate, and the working reliability of the locking assembly is improved.
Particularly, the shifting plate is provided with a locking lug, the release fastener is provided with a locking groove matched with the locking lug, the locking lug can act along with the shifting plate and can be clamped in the locking groove, and the shifting plate and the release fastener can be locked or unlocked. The shifting plate is provided with a locking lug which is matched with the tripping piece in a limiting way, when the locking lug is maintained, the locking lug is clamped in a locking groove of the tripping piece, so that the shifting plate can keep the tripping piece in a tripping state, the locking of the locking assembly can be realized, other people can be prevented from opening or closing the circuit breaker at will, and the safety performance of the locking assembly of the electric operating mechanism of the circuit breaker can be improved.
Particularly, a positioning rod is arranged on the sliding block locking plate corresponding to the tension spring, one end of the tension spring is connected to the positioning rod, and the other end of the tension spring is connected to a positioning block of the machine frame. The tension spring is clamped between the sliding block locking plate and the mechanism frame, so that the tension spring, the sliding block locking plate and the mechanism frame are convenient to assemble, the assembly is more convenient, the sliding block locking plate can be ensured to be reliably reset, and the working reliability of the locking assembly is improved.
Particularly, a cam is arranged on the interlocking part corresponding to the microswitch, and the cam acts along with the interlocking part and can trigger the microswitch to realize the connection or disconnection of the microswitch. The interlocking piece triggers the microswitch through the cam, so that the interlocking piece can reliably trigger the microswitch, and the working reliability of the locking assembly is improved.
Drawings
Fig. 1 is an exploded view of the electric operating mechanism of the present invention.
Fig. 2 is a perspective view of the embodiment of the present invention.
Fig. 3 is a perspective view of the safety lock according to the embodiment of the present invention.
Fig. 4 is a perspective view of the slide block locking plate according to the embodiment of the present invention.
Detailed Description
As shown in fig. 1-4, an embodiment of the present invention is a locking assembly of an electric operating mechanism of a circuit breaker, including a machine frame 10, a safety lock 11 disposed on the machine frame 10, and a locking assembly 20 cooperating with the safety lock 11, wherein the locking assembly 20 includes an interlocking member 21 cooperating with the safety lock 11 and capable of locking a tripping member 12 of the electric operating mechanism in a tripping state, a micro switch 22 for controlling the motor of the electric operating mechanism to be powered on or powered off, and a slider locking plate 23 cooperating with the interlocking member 21, the interlocking member 21 acts along with the safety lock 11 and can trigger the micro switch 22 to realize the on or off of the micro switch 22, the slider locking plate 23 acts along with the interlocking member 21 and can abut on a slider 13 of the electric operating mechanism, and the locking or unlocking of the slider locking plate 23 and the slider 13 is realized.
As shown in fig. 2, 3 and 4, the interlocking member 21 is provided with a toggle plate 211 corresponding to the slider lock plate 23, the slider lock plate 23 is rotatably disposed on the frame 10, and a tension spring 24 is disposed between the slider lock plate 23 and the frame 10, the toggle plate 211 moves along with the interlocking member 21 and drives the slider lock plate 23 to rotate, and constitutes a linkage fit between the toggle plate 211 and the slider lock plate 23, the slider lock plate 23 is provided with a lock bar 231 matched with the slider 13, the lock bar 231 moves along with the slider lock plate 23 and abuts against the slider 13, and constitutes a limit fit between the slider lock plate 23 and the slider 13. The interlocking piece drives the sliding block locking plate to act through the shifting plate, and the locking strip for locking the sliding block locking plate can abut against the sliding block, so that the sliding block locking plate and the sliding block can be locked, the circuit breaker can be prevented from being switched off or switched on at will by other people, and the working reliability of the locking assembly can be improved. The shifting plate 211 is provided with a shifting rod 212, the sliding block locking plate 23 is provided with a locking groove 232 matched with the shifting rod 212, and the shifting rod 212 is inserted in the locking groove 232 and forms linkage matching of the sliding block locking plate 23 and the shifting rod 212. The shifting rod of the shifting plate is clamped in the lock groove of the sliding block lock plate, so that the shifting plate can be ensured to reliably drive the sliding block lock plate, and the working reliability of the locking assembly is improved. The shifting plate 211 is provided with a locking lug 213, the release buckle 12 is provided with a locking groove 121 matched with the locking lug 213, the locking lug 213 acts along with the shifting plate 211 and can be clamped in the locking groove 121, and the shifting plate 211 and the release buckle 12 can be locked or unlocked. The shifting plate is provided with a locking lug which is matched with the tripping piece in a limiting way, when the locking lug is maintained, the locking lug is clamped in a locking groove of the tripping piece, so that the shifting plate can keep the tripping piece in a tripping state, the locking of the locking assembly can be realized, other people can be prevented from opening or closing the circuit breaker at will, and the safety performance of the locking assembly of the electric operating mechanism of the circuit breaker can be improved. The slider lock plate 23 is provided with a positioning rod 233 corresponding to the tension spring 24, one end of the tension spring 24 is connected to the positioning rod 233, and the other end of the tension spring 24 is connected to the positioning block 101 of the machine frame 10. The tension spring is clamped between the sliding block locking plate and the mechanism frame, so that the tension spring, the sliding block locking plate and the mechanism frame are convenient to assemble, the assembly is more convenient, the sliding block locking plate can be ensured to be reliably reset, and the working reliability of the locking assembly is improved. The interlocking part 21 is provided with a cam 214 corresponding to the microswitch 22, and the cam 214 acts with the interlocking part 21 and can trigger the microswitch 22 to realize the connection or disconnection of the microswitch 22. The interlocking piece triggers the microswitch through the cam, so that the interlocking piece can reliably trigger the microswitch, and the working reliability of the locking assembly is improved.
During operation, a user rotates a lock cylinder in the safety lock through a key, the lock cylinder drives an interlocking piece to act, and the interlocking piece can trigger the microswitch, so that the power-on or power-off of a motor of the electric operating mechanism can be controlled, and the electric function of the electric operating mechanism can be locked; the locking plate can lock the release piece, a user cannot press the release piece, the circuit breaker cannot release and open the brake, and the locking of the locking assembly can be realized; and the interlocking piece can drive the slide block locking plate to act, the slide block locking plate can be abutted on the slide block and can lock the slide block, and a user cannot manually open and close the switch, so that the circuit breaker can be prevented from being opened or closed by other people at will, and the safety performance of a locking assembly of the electric operating mechanism of the circuit breaker can be improved. The locking assembly of the electric operating mechanism of the circuit breaker adopts a triple interlocking structural design, so that the safety performance of the locking assembly is effectively improved. Therefore, the locking assembly of the electric operating mechanism of the circuit breaker has the advantages of simple structure, stable and reliable performance, convenience in operation and high safety.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the concept of the present invention, and these improvements and decorations should also be considered as the protection scope of the present invention.
Claims (6)
1. The utility model provides a circuit breaker electric operating mechanism's locking assembly, includes the framework, sets up the safety lock on the framework, with the locking subassembly of safety lock linkage complex, its characterized in that: the locking assembly comprises an interlocking piece, a micro switch and a sliding block locking plate, wherein the interlocking piece is in linkage fit with the safety lock and can lock a tripping piece of the electric operating mechanism in a tripping state, the micro switch is used for controlling the power on or off of a motor of the electric operating mechanism, and the sliding block locking plate is in linkage fit with the interlocking piece.
2. The circuit breaker electrically operated mechanism locking assembly of claim 1, wherein: interlocking on correspond slider jam plate department and be provided with and dial the board, the slider jam plate rotate and set up on the framework, and be provided with the extension spring between slider jam plate and the framework, dial the board and just can drive the slider jam plate along with interlocking action and rotate, and constitute the linkage cooperation of dialling board and slider jam plate, the slider jam plate have with slider matched with sword iron, this sword iron moves and contradicts on the slider along with the slider jam plate, and constitutes the spacing cooperation of slider jam plate and slider.
3. The locking assembly of an electrical operating mechanism for a circuit breaker of claim 2, wherein: the shifting plate is provided with a shifting rod, the sliding block locking plate is provided with a locking groove matched with the shifting rod, and the shifting rod is inserted in the locking groove and forms linkage matching of the sliding block locking plate and the shifting rod.
4. The circuit breaker electrically operated mechanism locking assembly of claim 2, wherein: the shifting plate is provided with a locking lug, the release fastener is provided with a locking groove matched with the locking lug, the locking lug can be clamped in the locking groove along with the action of the shifting plate, and the locking or unlocking of the shifting plate and the release fastener can be realized.
5. The circuit breaker electrically operated mechanism locking assembly of claim 2, wherein: the slider locking plate is provided with a positioning rod corresponding to the tension spring, one end of the tension spring is connected to the positioning rod, and the other end of the tension spring is connected to a positioning block of the machine frame.
6. The locking assembly of an electric operating mechanism of a circuit breaker according to claim 1 or 2, characterized in that: the interlocking piece is provided with a cam corresponding to the microswitch, and the cam acts along with the interlocking piece and can trigger the microswitch to realize the connection or disconnection of the microswitch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220826112.2U CN217114283U (en) | 2022-04-09 | 2022-04-09 | Locking assembly of electric operating mechanism of circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220826112.2U CN217114283U (en) | 2022-04-09 | 2022-04-09 | Locking assembly of electric operating mechanism of circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217114283U true CN217114283U (en) | 2022-08-02 |
Family
ID=82580081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220826112.2U Active CN217114283U (en) | 2022-04-09 | 2022-04-09 | Locking assembly of electric operating mechanism of circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217114283U (en) |
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2022
- 2022-04-09 CN CN202220826112.2U patent/CN217114283U/en active Active
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