CN217114282U - Locking assembly of electric operating mechanism - Google Patents
Locking assembly of electric operating mechanism Download PDFInfo
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- CN217114282U CN217114282U CN202220816874.4U CN202220816874U CN217114282U CN 217114282 U CN217114282 U CN 217114282U CN 202220816874 U CN202220816874 U CN 202220816874U CN 217114282 U CN217114282 U CN 217114282U
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- locking plate
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Abstract
The utility model relates to an electric operating mechanism's locking assembly, including setting up the safety lock on the framework, with safety lock linkage complex locking subassembly, the locking subassembly includes transmission thumb wheel, locking plate, micro-gap switch, locking block, the locking plate along with the action of transmission thumb wheel and can trigger micro-gap switch, can realize micro-gap switch's switch-on or disconnection, the locking plate along with the action of transmission thumb wheel and can contradict on electric operating mechanism's disengaging part, can realize locking plate and disengaging part's locking or unblock, the locking block along with the action of locking plate and can contradict on electric operating mechanism's slider, can realize locking or unblock of locking block 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 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 simple structure, stable performance is reliable, simple operation, high electric operating mechanism's of security locking assembly.
In order to achieve the purpose, the utility model adopts a locking assembly of an electric operating mechanism, which comprises a safety lock arranged on a framework and a locking component in linkage fit with the safety lock, the locking assembly comprises a transmission thumb wheel in linkage fit with the safety lock, a locking plate which is arranged on the framework in a sliding way and is in linkage fit with the transmission thumb wheel, a microswitch which is arranged on the framework and is used for controlling the power-on or power-off of a motor of the electric operating mechanism, and a locking block in linkage fit with the locking plate, the locking plate acts along with the transmission thumb wheel and can trigger the microswitch, the micro switch can be switched on or off, the locking plate acts along with the transmission thumb wheel and can be abutted against the release piece of the electric operating mechanism, the locking or unlocking of the locking piece and the release piece can be realized, the locking block acts along with the locking piece and can abut against the sliding block of the electric operating mechanism, and the locking or unlocking of the locking block and the sliding block can be realized.
The beneficial effect of above-mentioned structure is: when in operation, a user rotates a lock core in the safety lock through a key, the lock core drives the transmission thumb wheel to act, the transmission thumb wheel can push the lock plate to slide on the framework, and the lock plate can trigger the micro switch, 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 locking plate can drive the locking block to act, the locking block can be abutted on the sliding block, the sliding block can be locked, and a user can not manually switch on and off, so that the circuit breaker can be prevented from being switched off or switched on at will by other people, 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, the framework on correspond locking piece department and be provided with guide bracket, the locking piece slide and set up in guide bracket, and be provided with the extension spring between locking piece and the guide bracket, the locking plate on correspond locking piece department and be provided with V type groove, locking piece one end arc lug that alternates in V type groove has, the locking piece along with the locking piece action and can be in guide bracket reciprocating sliding. The locking block is arranged in the guide support, and can be ensured to reliably slide in the guide support, so that the locking plate can reliably drive the locking block, and the working reliability of the locking assembly is improved.
Particularly, the locking plate on be provided with the guiding hole, be provided with on the framework with guiding hole matched with guide pin, guide pin alternate in the guiding hole, and constitute the sliding connection cooperation of guide pin and locking plate, the locking plate on be provided with reset spring, reset spring's one end is contradicted on the guide bracket. Be provided with on the framework with locking plate matched with uide pin to the assembly of locking plate and framework, the assembly is more convenient, and can guarantee that the locking plate can reliably slide on the framework.
Particularly, the transmission thumb wheel is provided with a poking rod part matched with the locking plate, and the poking rod acts along with the transmission thumb wheel and drives the locking plate to slide on the framework in a reciprocating manner. The driving dial wheel drives the locking plate to act through the dial rod part, so that the driving dial wheel can be ensured to reliably drive the locking plate to act, and the working reliability of the locking assembly is improved.
Particularly, one end of the locking plate is provided with a convex block matched with the microswitch, and the convex block acts along with the locking plate and triggers the microswitch to realize the connection or disconnection of the microswitch. The locking plate triggers the microswitch through the bump, so that the locking plate can be ensured to reliably trigger the microswitch, and the working reliability of the locking assembly is improved.
Particularly, the tripping part is provided with a limiting pin matched with the locking plate, the limiting pin is abutted against the other end of the locking plate, and the limiting matching of the limiting pin and the locking plate is formed. Be provided with the spacer pin with locking plate matched with on taking off the fastener to the locking plate can be with taking off the fastener locking, thereby can avoid other people to carry out the separating brake or combined floodgate to the circuit breaker at will, is favorable to improving the security performance of this electrically operated mechanism's locking assembly.
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 a locking plate according to an embodiment of the present invention.
Fig. 5 is a perspective view of a locking block according to an embodiment of the present invention.
Detailed Description
As shown in fig. 1 to 5, an embodiment of the present invention is a locking assembly of an electric operating mechanism, including a safety lock 11 disposed on a frame 10, a locking assembly 20 cooperating with the safety lock 11, the locking assembly 20 includes a driving dial wheel 21 cooperating with the safety lock 11, a locking plate 22 slidably disposed on the frame 10 and cooperating with the driving dial wheel 21, a micro switch 230 disposed on the frame 10 and used for controlling the motor of the electric operating mechanism to be powered on or powered off, and a locking block 23 cooperating with the locking plate 22, the locking plate 22 acts along with the driving dial wheel 21 and can trigger the micro switch 230, so as to realize the on or off of the micro switch 230, the locking plate 22 acts along with the driving dial wheel 21 and can abut against a release 12 of the electric operating mechanism, so as to realize the locking or unlocking of the locking plate 22 and the release 12, the locking block 23 acts along with the locking plate 22 and can abut against a slider 13 of the electric operating mechanism, the locking or unlocking of the locking block 23 with the slider 13 can be achieved.
As shown in fig. 2-4, the mechanism frame 10 is provided with a guide bracket 24 corresponding to the locking block 23, the locking block 23 is slidably disposed in the guide bracket 24, a tension spring 25 is disposed between the locking block 23 and the guide bracket 24, the locking plate 22 is provided with a V-shaped groove 221 corresponding to the locking block 23, one end of the locking block 23 is provided with an arc-shaped protrusion 231 inserted into the V-shaped groove 221, and the locking block 23 moves along with the locking plate 22 and can slide in the guide bracket 24 in a reciprocating manner. The locking block is arranged in the guide support, and can be ensured to reliably slide in the guide support, so that the locking plate can reliably drive the locking block, and the working reliability of the locking assembly is improved. Locking plate 22 on be provided with guiding hole 222, be provided with on the framework 10 with guiding hole 222 matched with guide pin 101, guide pin 101 alternate in guiding hole 222, and constitute the sliding connection cooperation of guide pin 101 and locking plate 22, locking plate 22 on be provided with reset spring 26, reset spring 26's one end is contradicted on guide bracket 24. Be provided with on the framework with locking plate matched with uide pin to the assembly of locking plate and framework, the assembly is more convenient, and can guarantee that the locking plate can reliably slide on the framework. The driving dial wheel 21 is provided with a dial rod 211 matched with the locking plate 22, and the dial rod 211 acts along with the driving dial wheel 21 and drives the locking plate 22 to slide on the frame 10 in a reciprocating manner. The driving dial wheel drives the locking plate to act through the dial rod part, so that the driving dial wheel can be ensured to reliably drive the locking plate to act, and the working reliability of the locking assembly is improved. One end of the locking plate 22 is provided with a projection 223 matched with the microswitch 230, and the projection 223 acts with the locking plate 22 and triggers the microswitch 230 to realize the connection or disconnection of the microswitch 230. The locking plate triggers the microswitch through the bump, so that the locking plate can be ensured to reliably trigger the microswitch, and the working reliability of the locking assembly is improved. The disengaging part 12 is provided with a limiting pin 121 matched with the locking plate 22, the limiting pin 121 abuts against the other end of the locking plate 22, and the limiting pin 121 is in limiting fit with the locking plate 22. Be provided with the spacer pin with locking plate matched with on taking off the fastener to the locking plate can be with taking off the fastener locking, thereby can avoid other people to carry out the separating brake or combined floodgate to the circuit breaker at will, is favorable to improving the security performance of this electrically operated mechanism's locking assembly.
During operation, a user rotates a lock cylinder in the safety lock through a key, the lock cylinder drives a transmission thumb wheel to act, the transmission thumb wheel can push a lock plate to slide on a framework, and the lock plate can trigger a 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 locking plate can drive the locking block to act, the locking block can be abutted on the sliding block, the sliding block can be locked, and a user can not manually switch on and off, so that the circuit breaker can be prevented from being switched off or switched on at will by other people, 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.
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 an electric operating mechanism's locking assembly, includes the safety lock that sets up on the framework, with the locking subassembly of safety lock linkage complex which characterized in that: locking subassembly include with safety lock linkage complex transmission thumb wheel, slide to set up on the framework and transmission thumb wheel linkage complex locking plate, set up on the framework and be used for controlling electric operating mechanism's motor circular telegram or the micro-gap switch of outage, with locking plate linkage complex locking piece, the locking plate along with the action of transmission thumb wheel and can trigger micro-gap switch, can realize micro-gap switch's switch-on or disconnection, the locking plate along with the action of transmission thumb wheel and can contradict on electric operating mechanism's disengaging part, can realize locking or unblock of locking plate and disengaging part, the locking piece along with the action of locking piece and can contradict on electric operating mechanism's slider, can realize locking or unblock of locking piece and slider.
2. The locking assembly of an electrically operated mechanism according to claim 1, wherein: the mechanical frame on correspond locking piece department and be provided with the guide bracket, the locking piece slide and set up in the guide bracket, and be provided with the extension spring between locking piece and the guide bracket, the locking plate on correspond locking piece department and be provided with V type groove, locking piece one end arc lug that alternates in V type groove has, the locking piece along with the locking piece action and can be in the guide bracket reciprocal slip.
3. The electric operating mechanism lock assembly according to claim 1 or 2, wherein: the locking plate on be provided with the guiding hole, be provided with on the framework with guiding hole matched with uide pin, the uide pin alternate in the guiding hole, and constitute the sliding connection cooperation of uide pin and locking plate, the locking plate on be provided with reset spring, reset spring's one end is contradicted on guide bracket.
4. The electric operating mechanism lock assembly according to claim 1 or 2, wherein: the driving dial wheel is provided with a dial rod part matched with the locking plate, and the dial rod acts along with the driving dial wheel and drives the locking plate to slide on the framework in a reciprocating manner.
5. The electric operating mechanism lock assembly according to claim 1 or 2, wherein: one end of the locking plate is provided with a lug matched with the microswitch, and the lug acts along with the locking plate and triggers the microswitch to realize the connection or disconnection of the microswitch.
6. The electric operating mechanism lock assembly according to claim 1 or 2, wherein: the tripping part is provided with a limiting pin matched with the locking plate, the limiting pin is abutted against the other end of the locking plate, and the limiting pin is in limiting fit with the locking plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220816874.4U CN217114282U (en) | 2022-04-09 | 2022-04-09 | Locking assembly of electric operating mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220816874.4U CN217114282U (en) | 2022-04-09 | 2022-04-09 | Locking assembly of electric operating mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217114282U true CN217114282U (en) | 2022-08-02 |
Family
ID=82580411
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220816874.4U Active CN217114282U (en) | 2022-04-09 | 2022-04-09 | Locking assembly of electric operating mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217114282U (en) |
-
2022
- 2022-04-09 CN CN202220816874.4U patent/CN217114282U/en active Active
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