CN222126324U - Locking assembly for an electrically operated mechanism - Google Patents
Locking assembly for an electrically operated mechanism Download PDFInfo
- Publication number
- CN222126324U CN222126324U CN202420095087.4U CN202420095087U CN222126324U CN 222126324 U CN222126324 U CN 222126324U CN 202420095087 U CN202420095087 U CN 202420095087U CN 222126324 U CN222126324 U CN 222126324U
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- lock
- locking
- plate
- sliding block
- matched
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- 230000007246 mechanism Effects 0.000 title claims abstract description 36
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000001960 triggered effect Effects 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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- Switch Cases, Indication, And Locking (AREA)
Abstract
The utility model relates to a locking component of an electric operating mechanism, which comprises a machine framework, a safety lock, a lock wheel, a sliding block lock plate, a tension spring, a disengaging piece, a first micro-switch, a manual-automatic switching slide plate and a second micro-switch, wherein the lock wheel is provided with a lock block matched with the automatic switching slide plate, the lock block acts along with the lock wheel and is abutted against the manual-automatic switching slide plate, the lock block is in limit fit with the manual-automatic switching slide plate, the lock wheel is provided with a lock plate matched with the disengaging piece, when the lock wheel rotates to a locking position, the lock plate acts along with the lock wheel and is abutted against the disengaging piece, in limit fit of the lock plate and the disengaging piece is formed, the lock plate is provided with a deflector rod matched with the sliding block lock plate, the deflector rod acts along with the lock plate and drives the sliding block lock plate to act, and the sliding block lock plate is clamped on the sliding block, and the lock plate is in limit fit with the sliding block. The utility model has the advantages of simple structure, stable and reliable performance, convenient operation and high safety.
Description
Technical Field
The utility model relates to the technical field of circuit breakers, in particular to a locking assembly of an electric operating mechanism for a circuit breaker.
Background
The circuit breaker is a switching device which is used for a power distribution electrical appliance in a power grid, can be used for switching on, carrying and breaking current under normal circuit conditions, and can also be used for switching on, carrying for a certain time and breaking current under specified abnormal conditions (such as overload, short circuit, undervoltage and single-phase grounding faults). The electric operating mechanism is a special accessory of the molded case circuit breaker, and can be electrically closed, opened and re-buckled with the circuit breaker in a long distance after being matched with the circuit breaker so as to realize centralized and automatic control of the transmission and distribution network. With the development of the power industry, the operating mechanism of the molded case circuit breaker has become the mainstream of current development, and the design is developed towards miniaturization and intellectualization. In order to ensure personal safety of maintenance personnel, the locking assemblies are arranged on the existing electric operating mechanisms of the circuit breakers, and when the circuit breakers are overhauled, the locking assemblies can lock the manual opening and closing functions and the electric opening and closing functions of the electric operating mechanisms, so that the circuit breakers can be prevented from being opened or closed by others at will. However, the structural design of the existing locking assembly is unreasonable, the structural design of the locking assembly is complex, the locking is unreliable, and even potential safety hazards exist, so that the locking assembly of the electric operating mechanism has the defects of complex structure, unstable performance, lower safety and inconvenient operation.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide the locking component of the electric operating mechanism, which has the advantages of simple structure, stable and reliable performance, convenient operation and high safety.
In order to achieve the above object, the utility model adopts a locking assembly of an electric operating mechanism, which comprises a machine frame, a safety lock arranged on the machine frame, a lock wheel in linkage with the safety lock, a sliding block lock piece which is rotatably arranged on the machine frame and is used for locking a sliding block, a tension spring arranged between the sliding block lock piece and the machine frame, a disengaging piece arranged on the machine frame, a first micro switch arranged on the machine frame and matched with the lock wheel, a manual switching slide plate arranged on a cover body in a sliding manner, a second micro switch arranged on the machine frame and matched with the manual switching slide plate, a locking block which is arranged on the lock wheel and matched with the automatic switching slide plate, the locking block moves along with the locking wheel and is abutted on the manual switching slide plate, and forms limit fit between the locking block and the manual switching slide plate, the locking block is arranged on the lock wheel and matched with a release piece, and forms limit fit between the locking block and the sliding block along with the sliding block when the locking wheel rotates to a locking position, the locking block moves along with the lock piece and is abutted on the disengaging piece, and forms limit fit between the locking block and the sliding block along with the sliding block.
The locking assembly of the electric operating mechanism has the beneficial effects that the locking assembly of the electric operating mechanism adopts a multiple interlocking structural design, so that the safety performance of the locking assembly is effectively improved. When the electric circuit breaker is overhauled, a user dials the manual-automatic switching slide plate to an electric position, the manual-automatic switching slide plate is blocked on the manual operation hole, the manual operation function of the electric operation mechanism is locked, the user rotates a lock cylinder in the safety lock through a key, the lock cylinder drives a lock wheel to act, the first micro switch can be triggered by the lock wheel, the first micro switch cuts off a power supply of a motor of the electric operation mechanism, thus the electric function of the electric operation mechanism can be locked, a locking piece of the lock wheel can lock a release piece at the release position, the user cannot press the release piece, a shifting lever of the locking piece can drive the locking piece of the sliding block to act, the locking piece of the sliding block can be abutted on the sliding block, the locking piece of the sliding block and the sliding block can not be manually opened or closed by the user, and therefore the safety performance of a locking component of the electric operation mechanism of the circuit breaker can be prevented from being arbitrarily opened or closed by other people. Therefore, the locking assembly price of the electric operating mechanism has the advantages of simple structure, stable and reliable performance, convenient operation and high safety.
Particularly, a poking groove matched with a poking rod is formed in one end of the sliding block lock plate, the poking rod is inserted into the poking groove, and the poking rod moves along with the lock plate and can reciprocate in the poking groove. The sliding block locking plate is provided with the poking groove matched with the poking rod, so that the poking rod can reliably drive the sliding block locking plate to act, and the working reliability of the locking assembly is improved.
Particularly, the other end of the sliding block locking piece is provided with a locking lug matched with the sliding block, the sliding block is provided with a locking groove matched with the locking lug, and the locking lug acts along with the sliding block locking piece and is clamped in the locking groove, and the locking lug is in limit fit with the sliding block. The sliding block locking plate is locked with the sliding block through the locking convex block, so that the sliding block locking plate and the sliding block can be reliably locked, and the working reliability of the locking assembly is improved.
Particularly, the lock wheel is provided with a convex strip matched with the first micro switch, and the convex strip acts along with the lock wheel and triggers the first micro switch to realize the connection or disconnection of the first micro switch. The lock wheel triggers the first micro-switch through the convex strips, so that the lock wheel can be ensured to reliably trigger the first micro-switch, and the working reliability of the locking assembly is improved.
Particularly, the first micro-switch is provided with a cover plate, the cover plate is provided with an elastic buckle plate matched with the lock wheel, the lock wheel is provided with a rotary disc matched with the elastic buckle plate, the rotary disc is respectively provided with a locking groove and an unlocking groove matched with the elastic buckle plate, and when the rotary disc moves along with the lock wheel, the elastic buckle plate is switched between the locking groove and the unlocking groove in a reciprocating mode. The cover plate is provided with an elastic buckle plate matched with the locking groove and the unlocking groove of the rotary plate, so that the locking wheel can be reliably switched between the locking position and the unlocking position, and the working reliability of the locking assembly of the electric operating mechanism is improved.
Particularly, a driving part matched with the second micro switch is arranged on the manual-automatic switching slide plate, and the driving part conveniently and automatically switches the slide plate to act and trigger the second micro switch to realize the connection or disconnection of the second micro switch. The manual-automatic switching sliding plate triggers the second micro switch through the driving part, so that the manual-automatic switching sliding plate can be ensured to reliably trigger the second micro switch.
Drawings
Fig. 1 is a perspective view of an electric operating mechanism according to an embodiment of the present utility model.
Fig. 2 is an exploded view of an electric operating mechanism according to an embodiment of the present utility model.
Fig. 3 is an internal structural view of the electric operating mechanism according to the embodiment of the present utility model.
Fig. 4 is a perspective view of a slider lock plate according to an embodiment of the present utility model.
Fig. 5 is a perspective view of a lock wheel according to an embodiment of the present utility model.
Detailed Description
As shown in fig. 1 to 5, the embodiment of the utility model is a locking assembly of an electric operating mechanism, which comprises a machine frame 10, a safety lock 11 arranged on the machine frame 10, a lock wheel 12 in linkage fit with the safety lock 11, a slide block lock piece 14 rotatably arranged on the machine frame 10 and used for locking a slide block 13, a tension spring 15 arranged between the slide block lock piece 14 and the machine frame 10, a trip piece 16 arranged on the machine frame 10, a first micro-switch 17 arranged on the machine frame 10 and matched with the lock wheel 12, a second micro-switch 20 arranged on a cover 18 in a sliding manner, a lock block 121 arranged on the machine frame 10 and matched with the hand automatic switch slide plate 19, wherein the lock block 121 acts along with the lock wheel 12 and is in abutting fit with a limit of the hand automatic switch slide plate 19, a lock piece 122 matched with a trip 16 is arranged on the lock wheel 12, when the lock wheel 12 rotates to a lock wheel 12, the lock block piece 123 is arranged at a position corresponding to the lock wheel 12 and is in abutting fit with the slide block 14, the lock block piece 122 acts along with the slide block 14 and is in abutting fit with the slide block 19, and the lock block piece 122 is in contact with the limit of the slide block 14, and the lock piece 122 is in contact with the limit of the slide block 13 is arranged on the slide block 14.
As shown in fig. 2 to 5, one end of the slider lock plate 14 is provided with a toggle slot 141 matched with the toggle rod 123, the toggle rod 123 is inserted into the toggle slot 141, and the toggle rod 123 moves along with the lock plate 122 and can reciprocate in the toggle slot 141. The sliding block locking plate is provided with the poking groove matched with the poking rod, so that the poking rod can reliably drive the sliding block locking plate to act, and the working reliability of the locking assembly is improved. The other end of the sliding block locking piece 14 is provided with a locking lug 142 matched with the sliding block 13, the sliding block 13 is provided with a locking groove 131 matched with the locking lug 142, and the locking lug 142 acts along with the sliding block locking piece 14 and is clamped in the locking groove 131, and forms limit fit between the locking lug 142 and the sliding block 13. The sliding block locking plate is locked with the sliding block through the locking convex block, so that the sliding block locking plate and the sliding block can be reliably locked, and the working reliability of the locking assembly is improved. The lock wheel 12 is provided with a convex strip 124 matched with the first micro switch 17, and the convex strip 124 acts along with the lock wheel 12 and triggers the first micro switch 17 to realize the connection or disconnection of the first micro switch 17. The lock wheel triggers the first micro-switch through the convex strips, so that the lock wheel can be ensured to reliably trigger the first micro-switch, and the working reliability of the locking assembly is improved. The first micro-gap switch 17 on be provided with the cover plate 21, the cover plate 21 on be provided with lock wheel 12 matched with elasticity buckle 211, lock wheel 12 on be provided with elasticity buckle 211 matched with carousel 125, carousel 125 on be provided with respectively with elasticity buckle 211 matched with locking groove 126, unblock groove 127, carousel 125 when acting along with lock wheel 12, elasticity buckle 211 reciprocating switch between locking groove 126 and unblock groove 127. The cover plate is provided with an elastic buckle plate matched with the locking groove and the unlocking groove of the rotary plate, so that the locking wheel can be reliably switched between the locking position and the unlocking position, and the working reliability of the locking assembly of the electric operating mechanism is improved. The manual-automatic switching slide plate 19 is provided with a driving part 191 matched with the second micro switch 20, and the driving part 191 operates along with the manual-automatic switching slide plate 19 and triggers the second micro switch 20 to realize the connection or disconnection of the second micro switch 20. The manual-automatic switching sliding plate triggers the second micro switch through the driving part, so that the manual-automatic switching sliding plate can be ensured to reliably trigger the second micro switch.
The locking component of the electric operating mechanism adopts a multiple interlocking structural design, so that the safety performance of the locking component is effectively improved. When the electric circuit breaker is overhauled, a user dials the manual-automatic switching slide plate to an electric position, the manual-automatic switching slide plate is blocked on the manual operation hole, the manual operation function of the electric operation mechanism is locked, the user rotates a lock cylinder in the safety lock through a key, the lock cylinder drives a lock wheel to act, the first micro switch can be triggered by the lock wheel, the first micro switch cuts off a power supply of a motor of the electric operation mechanism, thus the electric function of the electric operation mechanism can be locked, a locking piece of the lock wheel can lock a release piece at the release position, the user cannot press the release piece, a shifting lever of the locking piece can drive the locking piece of the sliding block to act, the locking piece of the sliding block can be abutted on the sliding block, the locking piece of the sliding block and the sliding block can not be manually opened or closed by the user, and therefore the safety performance of a locking component of the electric operation mechanism of the circuit breaker can be prevented from being arbitrarily opened or closed by other people. Therefore, the locking assembly price of the electric operating mechanism has the advantages of simple structure, stable and reliable performance, convenient operation and high safety.
Claims (6)
1. The locking component of the electric operating mechanism is characterized by comprising a machine framework, a safety lock arranged on the machine framework, a lock wheel in linkage fit with the safety lock, a sliding block lock plate which is rotatably arranged on the machine framework and used for locking the sliding block, a tension spring arranged between the sliding block lock plate and the machine framework, a disengaging piece arranged on the machine framework, a first micro switch arranged on the machine framework and matched with the lock wheel, a second micro switch arranged on a cover body in a sliding manner, a locking piece arranged on the machine framework and matched with the manual and automatic switching slide plate, wherein the lock wheel is provided with a lock block matched with the automatic switching slide plate, the lock block moves along with the lock wheel and is abutted on the manual and automatic switching slide plate, the lock block is provided with a lock plate matched with a tripping piece, when the lock wheel rotates to a locking position, the lock plate moves along with the lock wheel and is abutted on the disengaging piece, the lock plate forms a limit fit with the disengaging piece, the lock plate is provided with a lock rod matched with the sliding block, and the lock plate forms a limit rod matched with the sliding block on the sliding block.
2. The locking assembly of the electric operating mechanism of claim 1, wherein a toggle groove matched with a toggle rod is formed in one end of the sliding block locking plate, the toggle rod is inserted in the toggle groove, and the toggle rod moves along with the locking plate and can reciprocate in the toggle groove.
3. The locking assembly of the electric operating mechanism according to claim 1 or 2, wherein the other end of the locking piece of the sliding block is provided with a locking lug matched with the sliding block, the sliding block is provided with a locking groove matched with the locking lug, and the locking lug acts with the locking piece of the sliding block and is clamped in the locking groove, and the locking lug is in limit fit with the sliding block.
4. The locking assembly of the electric operating mechanism as set forth in claim 1 or 2, wherein the locking wheel is provided with a convex strip matched with the first micro switch, and the convex strip acts along with the locking wheel and triggers the first micro switch to realize the on or off of the first micro switch.
5. The locking assembly of the electric operating mechanism according to claim 1 or 2, wherein the first micro switch is provided with a cover plate, the cover plate is provided with an elastic buckle plate matched with a lock wheel, the lock wheel is provided with a rotary plate matched with the elastic buckle plate, the rotary plate is respectively provided with a locking groove and an unlocking groove matched with the elastic buckle plate, and the elastic buckle plate is switched back and forth between the locking groove and the unlocking groove when the rotary plate moves along with the lock wheel.
6. The locking assembly of the electric operating mechanism according to claim 1 or 2, wherein the manual-automatic switching slide plate is provided with a driving part matched with the second micro switch, and the driving part can conveniently and automatically switch the slide plate to act and trigger the second micro switch to realize the connection or disconnection of the second micro switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095087.4U CN222126324U (en) | 2024-01-15 | 2024-01-15 | Locking assembly for an electrically operated mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420095087.4U CN222126324U (en) | 2024-01-15 | 2024-01-15 | Locking assembly for an electrically operated mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222126324U true CN222126324U (en) | 2024-12-06 |
Family
ID=93677316
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420095087.4U Active CN222126324U (en) | 2024-01-15 | 2024-01-15 | Locking assembly for an electrically operated mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222126324U (en) |
-
2024
- 2024-01-15 CN CN202420095087.4U patent/CN222126324U/en active Active
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