CN213402207U - Novel cubical switchboard shutting device - Google Patents
Novel cubical switchboard shutting device Download PDFInfo
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- CN213402207U CN213402207U CN202022515355.8U CN202022515355U CN213402207U CN 213402207 U CN213402207 U CN 213402207U CN 202022515355 U CN202022515355 U CN 202022515355U CN 213402207 U CN213402207 U CN 213402207U
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Abstract
The utility model discloses a novel cubical switchboard shutting device, it includes the cabinet body, the handcart, back door and earthing switch, still including locating the internal first linkage subassembly of cabinet, the lock subassembly, second linkage subassembly and lock subassembly, first linkage subassembly includes first universal driving shaft, first driving piece, second driving piece and driving piece, first driving piece drives first universal driving shaft according to earthing switch's separating brake/combined floodgate and rotates, first universal driving shaft passes through the action of second driving piece drive lock subassembly, so that lock subassembly locking back door, make the back door unable open, first universal driving shaft passes through driving piece and the action of second linkage subassembly drive lock subassembly, so that lock subassembly blocks the handcart. The utility model discloses not only greatly improved the security of maintaining or overhauing the cubical switchboard, the handcart interlocks mutually with the divide-shut brake of the equal earthing switch of back door moreover, when avoiding earthing switch separating brake not ground connection, the handcart pushes in the cabinet or the back door is opened, has further improved the security of cubical switchboard.
Description
Technical Field
The utility model relates to an electrical equipment technical field, concretely relates to novel cubical switchboard shutting device.
Background
In the existing switch cabinet with a middle-placed switch, a circuit breaker handcart is pushed into the cabinet to enable a moving contact of the circuit breaker handcart to be connected with a fixed contact in the cabinet, and in order to prevent the switch cabinet from being electrified and endangering personal safety, the grounding switch must be switched on and grounded to allow the circuit breaker handcart to be pushed into the cabinet, namely, when the grounding switch is in an ungrounded (open) position, the circuit breaker handcart is not allowed to be pushed into the cabinet. Meanwhile, when the switch cabinet needs to be maintained or subjected to fault maintenance, the grounding switch is required to be switched on and grounded, so that an operator can be allowed to open the front door or the rear door to maintain or repair the switch cabinet, and when the grounding switch is in a non-grounded (open) position, the front door or the rear door is not allowed to be opened to perform maintenance or repair.
Generally, a locking mechanism is arranged in a switch cabinet, when a circuit breaker handcart is pushed into the cabinet or a back door is opened through the locking mechanism, an earthing switch is in a closing state, and many locking mechanisms in the existing switch cabinet are composed of a mechanical structure and an electromagnetic lock. The locking mechanism is realized by means of electrification, great potential safety hazards exist for operating personnel who maintain or overhaul the switch cabinet, the grounding switch and the handcart are mutually independently arranged, and the grounding switch and the rear door are interlocked, so that the situation that the rear door is not opened and the grounding switch is not grounded is easily caused, electric shock danger easily occurs when the handcart is pushed into the cabinet, or the rear door is opened after the handcart is pushed into the cabinet, the grounding switch is disconnected from the ground due to mistaken opening, and electric shock danger also exists for the operating personnel who maintain or overhaul the rear door.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above prior art is not enough, provides a novel cubical switchboard shutting device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a novel switch cabinet locking device comprises a cabinet body, a handcart, a rear door and a grounding switch, wherein the grounding switch is arranged in the cabinet body and comprises a grounding knife and a static contact, the opening/closing is realized through the separation/matching of the grounding knife and the static contact, the rear door is hinged to the rear side of the cabinet body, the novel switch cabinet locking device also comprises a first linkage assembly, a door lock assembly, a second linkage assembly and a vehicle lock assembly which are arranged in the cabinet body, the first linkage assembly comprises a first linkage shaft, a first transmission piece, a second transmission piece and a driving piece, the first linkage shaft is rotatably arranged in the cabinet body, the first transmission piece drives the first linkage shaft to rotate according to the opening/closing of the grounding switch, the first linkage shaft drives the door lock assembly to act through the second transmission piece, so that the door lock assembly locks the rear door when the grounding switch is in an opening state, the rear door can not be opened, the first linkage shaft drives the car lock assembly to act through the driving piece and the second linkage assembly, so that the car lock assembly is in the handcart and the handcart can not be pushed into the cabinet body when the grounding switch is in a brake-separating state.
Preferably, the lock subassembly includes mount pad, first locking lever and spring bolt, the mount pad set up in the cabinet body is close to back door one side, first locking lever rotationally set up in on the mount pad, the spring bolt set firmly in the one end of first locking lever, be equipped with the fore shaft on the back door, when earthing switch closes a floodgate, the spring bolt can freely pass through the fore shaft, during earthing switch separating brake, the spring bolt backstop in outside the fore shaft.
Preferably, the lock subassembly is still including preventing pivot and first commentaries on classics piece, prevent changeing the axle set up movably in the mount pad in the top of first locking lever, first prevent changeing the piece set firmly in prevent changeing epaxially, it prevents changeing the piece to have set firmly the second on the first locking lever, first prevent changeing the piece and be used for blocking the second and prevent changeing the piece, in order to restrict first locking lever is in rotation when earthing switch is in combined floodgate state.
Preferably, the vehicle lock assembly comprises a second lock rod and a stopper, the second lock rod is rotatably arranged in the cabinet body, the stopper is arranged on the second lock rod, a baffle extending outwards is arranged on the side edge of the handcart, and when the grounding switch is in a brake-off state, the stopper blocks the baffle, so that the handcart cannot be pushed into the cabinet body.
Preferably, the earthing switch further comprises an installation plate, a connection shaft and a swing arm, the installation plate is fixedly arranged in the cabinet body, the connection shaft is rotatably arranged on the installation plate, the swing arm is fixedly arranged on the connection shaft, the earthing knife is arranged on the swing arm, and the earthing knife is separated from/matched with the static contact through rotation of the connection shaft.
Preferably, the first transmission member includes a first connecting block, a second connecting block and a first connecting rod, the first connecting block is fixedly disposed on the first linkage shaft, the second connecting block is fixedly disposed on the connecting shaft, and two ends of the first connecting rod are respectively hinged to the first connecting block and the second connecting block.
Preferably, the second transmission part comprises a third connecting block, a fourth connecting block and a second connecting rod, the third connecting block is fixedly arranged on the first linkage shaft, the fourth connecting block is fixedly arranged on the first lock rod, and two ends of the second connecting rod are respectively hinged to the third connecting block and the fourth connecting block.
Preferably, the driving member is a cam, the second linkage assembly includes a second linkage shaft, a third transmission member and a fourth transmission member, the second linkage shaft is rotatably disposed in the cabinet body, the driving member drives the second linkage shaft to rotate through the third transmission member, and the second linkage shaft drives the second lock rod to rotate through the fourth transmission member, so as to drive the blocking member to turn over.
Preferably, the third transmission part comprises a guide block, a moving seat and a connecting rod structure, the guide block is fixedly arranged in the cabinet body, the moving seat is in sliding fit with the guide block, the driving part drives the moving seat to move up and down on the guide block, one end of the connecting rod structure is connected to the moving seat, and the other end of the connecting rod structure is connected to the second linkage shaft; the fourth transmission part comprises a fifth connecting block, a sixth connecting block and a third connecting rod, the fifth connecting block is fixedly arranged on the second linkage shaft, the sixth connecting block is fixedly arranged on the second lock rod, and two ends of the third connecting rod are respectively hinged to the fifth connecting block and the sixth connecting block.
After the technical scheme is adopted, compared with the background art, the utility model, have following advantage:
the utility model discloses well first driving part drives first universal driving shaft according to earthing switch's separating brake/combined floodgate and rotates, first universal driving shaft passes through second driving part drive lock subassembly action, so that lock subassembly locking back door when earthing switch is in the separating brake state, make the back door can't open, first universal driving shaft passes through driving piece and the action of second linkage subassembly drive lock subassembly, so that the car lock subassembly blocks the handcart when earthing switch is in the separating brake state, it is internal to make the handcart can't push into the cabinet, not only greatly improved the security of maintaining or overhauing the cubical switchboard, and the handcart interlocks with the equal earthing switch's of back door divide-shut brake mutually, when avoiding earthing switch separating brake not ground connection, the handcart pushes into in the cabinet or the back door is opened, the security of cubical switchboard has further been improved.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is an exploded view of the present invention;
FIG. 3 is a perspective view of the grounding switch;
fig. 4 is one of the partial structural diagrams of the present invention;
FIG. 5 is one of the schematic perspective views of the door lock assembly and the first linkage assembly;
FIG. 6 is a second perspective view of the door lock assembly and the first linkage assembly;
FIG. 7 is a third perspective view of the door lock assembly and the first linkage assembly;
FIG. 8 is a perspective view of the vehicle lock assembly and a second linkage assembly;
fig. 9 is a second partial schematic view of the present invention;
fig. 10 is a partial schematic view of a second linkage assembly.
Description of reference numerals:
a cabinet 100;
a hand truck 200, a baffle 210;
a rear door 300, a fore shaft 310;
the grounding switch 400, the grounding knife 410, the static contact 420, the mounting plate 430, the connecting shaft 440 and the swing arm 450;
the linkage mechanism comprises a first linkage assembly 500, a first linkage shaft 510, a first transmission piece 520, a first connecting block 521, a second connecting block 522, a first connecting rod 523, a second transmission piece 530, a third connecting block 531, a fourth connecting block 532, a second connecting rod 533 and a driving piece 540;
the door lock comprises a door lock assembly 600, a mounting seat 610, a first lock rod 620, a second anti-rotation block 621, a bolt 630, an anti-rotation shaft 640, a first anti-rotation block 650 and a spring 660;
the second linkage assembly 700, the second linkage shaft 710, the third transmission part 720, the guide block 721, the moving seat 722, the connecting rod structure 723, the fourth transmission part 730, the fifth connecting block 731, the sixth connecting block 732 and the third connecting rod 733;
a lock assembly 800, a second lock rod 810, a stop 820.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or position relationship shown in the drawings, and are only for convenience of description and simplification of the present invention, but do not indicate or imply that the device or element of the present invention must have a specific orientation, and thus, should not be construed as limiting the present invention.
Examples
With reference to fig. 1 to 3, the utility model discloses a novel cubical switchboard blocking device, including the cabinet body 100, handcart 200, back door 300 and earthing switch 400, earthing switch 400 locates in the cabinet body 100, and it includes earthing knife 410 and static contact 420, and the separation/cooperation through earthing knife 410 and static contact 420 realizes separating brake/closing a floodgate, and back door 300 articulates in the rear side of the cabinet body 100, still including locating first linkage subassembly 500, lock subassembly 600, second linkage subassembly 700 and the lock subassembly 800 in the cabinet body 100.
The grounding switch 400 further includes a mounting plate 430, a connecting shaft 440 and a swing arm 450, the mounting plate 430 is fixedly disposed in the cabinet 100, the connecting shaft 440 is rotatably disposed on the mounting plate 430, the swing arm 450 is fixedly disposed on the connecting shaft 440, the grounding switch 410 is disposed on the swing arm 450, and the grounding switch 410 is separated from/coupled to the stationary contact 420 by rotation of the connecting shaft 440.
The first linkage assembly 500 includes a first linkage shaft 510, a first transmission member 520, a second transmission member 530 and a driving member 540, the first linkage shaft 510 is rotatably disposed in the cabinet 100, the first transmission member 520 drives the first linkage shaft 510 to rotate according to the opening/closing of the ground switch 400, the first linkage shaft 510 drives the door lock assembly 600 to move through the second transmission member 530, so that the door lock assembly 600 locks the rear door 300 when the ground switch 400 is in the opening state, and the rear door 300 cannot be opened, and the first linkage shaft 510 drives the vehicle lock assembly 800 to move through the driving member 540 and the second linkage assembly 700, so that the vehicle lock assembly 800 blocks the handcart 200 when the ground switch 400 is in the opening state, and the handcart 200 cannot be pushed into the cabinet 100.
When the earthing switch 400 is switched from an opening state to a closing state, the first transmission piece 520 drives the first linkage shaft 510 to rotate by the action of the swing arm 450, the first linkage shaft 510 drives the door lock assembly 600 to act through the second transmission piece 530, the driving piece 540 and the second linkage assembly 700 drive the door lock assembly 800 to act, the door lock assembly 600 locks the rear door 300, the rear door 300 cannot be opened, the handcart 200 is blocked by the door lock assembly 800, the handcart 200 cannot be pushed into the cabinet body 100, the handcart 200 and the earthing switch 400 of the rear door 300 are interlocked, and the handcart 200 is pushed into the cabinet body 100 or the rear door 300 is opened when the earthing switch 400 is not earthed.
As shown in fig. 1 to 7, the door lock assembly 600 includes a mounting seat 610, a first lock rod 620 and a lock tongue 630, the mounting seat 610 is disposed on one side of the cabinet 100 close to the back door 300, the first lock rod 620 is rotatably disposed on the mounting seat 610, the lock tongue 630 is fixedly disposed at one end of the first lock rod 620, the back door 300 is provided with a lock opening 310, when the ground switch 400 is switched on, the lock tongue 630 can freely pass through the lock opening 310, and when the ground switch 400 is switched off, the lock tongue 630 is stopped outside the lock opening 310.
The door lock assembly 600 further comprises a rotation preventing shaft 640 and a first rotation preventing block 650, wherein the rotation preventing shaft 640 is movably arranged above the mounting base 610 on the first lock rod 620 and can move along a direction parallel to the center line of the first lock rod 620, the first rotation preventing block 650 is fixedly arranged on the rotation preventing shaft 640, a second rotation preventing block 621 is fixedly arranged on the first lock rod 620, the first rotation preventing block 650 is used for blocking the second rotation preventing block 621 to limit the rotation of the first lock rod 620, so that the rear door 200 is opened and then the grounding switch 400 cannot be opened, namely, the grounding switch 400 is still located at the grounding position. When the rear door 200 is not opened and the brake needs to be opened, the rotation preventing shaft 640 needs to be pressed first, so that the first rotation preventing block 650 and the second rotation preventing block 621 are staggered, that is, the first rotation preventing block 650 does not block the second rotation preventing block 621, and the first lock lever 620 can rotate. The door lock assembly 600 further includes a spring 660, the spring 660 is sleeved in the rotation preventing shaft 640 for resetting the first rotation preventing block 650.
The first transmission member 520 includes a first connection block 521, a second connection block 522 and a first connection rod 523, the first connection block 521 is fixedly disposed on the first linkage shaft 510, the second connection block 522 is fixedly disposed on the connection shaft 440, and two ends of the first connection rod 523 are respectively hinged to the first connection block 521 and the second connection block 522. In this embodiment, the driving member 540 is a cam disposed at an end of the first linkage shaft 510 away from the first connecting block 521.
The second transmission member 530 includes a third connection block 531, a fourth connection block 532, and a second connection rod 533, the third connection block 531 is fixedly disposed on the first linkage shaft 510, the fourth connection block 532 is fixedly disposed on the first locking rod 620, and two ends of the second connection rod 533 are respectively hinged to the third connection block 531 and the fourth connection block 532.
As shown in fig. 1 to 3 and 8 to 10, the vehicle lock assembly 800 includes a second lock rod 810 and a stopper 820, the second lock rod 810 is rotatably disposed in the cabinet 100, the stopper 820 is disposed on the second lock rod 810, a side of the handcart 200 is provided with a baffle 210 extending outward, and when the ground switch 400 is in the open state, the stopper 820 stops the baffle 210, so that the handcart 200 cannot be pushed into the cabinet 100.
When the grounding switch 400 is in the open state, the stopper 820 is turned over to the position for stopping the baffle 210, and when the grounding switch 400 is in the close state, the stopper 820 is turned over to be no longer in the position for stopping the baffle 210, so that the handcart 200 can be smoothly pushed into the cabinet body 100.
The second linkage assembly 700 includes a second linkage shaft 710, a third transmission member 720 and a fourth transmission member 730, the second linkage shaft 710 is rotatably disposed in the cabinet 100, the driving member 540 drives the second linkage shaft 710 to rotate through the third transmission member 720, and the second linkage shaft 710 drives the second lock lever 810 to rotate through the fourth transmission member 730, so as to drive the stopper 820 to turn over.
The third transmission member 720 includes a guide block 721, a moving seat 722 and a connecting rod structure 723, the guide block 721 is fixed in the cabinet 100, the moving seat 722 is in sliding fit with the guide block 721, the driving member 540 drives the moving seat 722 to move up and down on the guide block 721, one end of the connecting rod structure 723 is connected to the moving seat 722, and the other end is connected to the second linkage shaft 710. The fourth transmission member 730 includes a fifth connection block 731, a sixth connection block 732, and a third connection rod 733, the fifth connection block 731 is fixedly disposed on the second linkage shaft 710, the sixth connection block 732 is fixedly disposed on the second lock lever 810, and two ends of the third connection rod 733 are respectively hinged to the fifth connection block 731 and the sixth connection block 732.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a novel cubical switchboard blocking device, includes the cabinet body, handcart, back door and earthing switch, earthing switch locates the cabinet is internal, and it includes earthing switch and static contact, through the separation/cooperation of earthing switch and static contact realizes separating brake/combined floodgate, back door articulate in the rear side of the cabinet body, its characterized in that: also comprises a first linkage component, a door lock component, a second linkage component and a vehicle lock component which are arranged in the cabinet body, the first linkage assembly comprises a first linkage shaft, a first transmission piece, a second transmission piece and a driving piece, the first linkage shaft is rotatably arranged in the cabinet body, the first transmission piece drives the first linkage shaft to rotate according to the opening/closing of the grounding switch, the first linkage shaft drives the door lock assembly to act through the second transmission piece, so that the door lock assembly locks the rear door when the grounding switch is in an opening state, and the rear door cannot be opened, the first linkage shaft drives the vehicle lock component to act through the driving piece and the second linkage component, so that the handcart lock assembly blocks the handcart when the grounding switch is in a brake-off state, and the handcart cannot be pushed into the cabinet body.
2. A novel switchgear cabinet blocking device, as claimed in claim 1, characterized in that: the lock subassembly includes mount pad, first locking lever and spring bolt, the mount pad set up in the cabinet body is close to back door one side, first locking lever rotationally set up in on the mount pad, the spring bolt set firmly in the one end of first locking lever, be equipped with the fore shaft on the back door, when earthing switch closes a floodgate, the spring bolt can freely pass through the fore shaft, during earthing switch separating brake, the spring bolt backstop in outside the fore shaft.
3. A novel switchgear cabinet blocking device, as claimed in claim 2, characterized in that: the lock subassembly is still including preventing pivot and first commentaries on classics piece, prevent that the pivot set up movably in the mount pad in the top of first locking lever, first prevent changeing the piece set firmly in prevent changeing epaxially, the second prevents changeing the piece on the first locking lever has set firmly, first prevent changeing the piece and be used for blocking the second and prevent changeing the piece, in order to restrict first locking lever is in rotation when earthing switch is in combined floodgate state.
4. A novel switchgear cabinet blocking device, as claimed in claim 3, characterized in that: the handcart locking assembly comprises a cabinet body, and is characterized in that the handcart locking assembly comprises a second locking rod and a blocking piece, the second locking rod is rotatably arranged in the cabinet body, the blocking piece is arranged on the second locking rod, a baffle plate extending outwards is arranged on the side edge of the handcart, and when the grounding switch is in a brake-off state, the blocking piece blocks the baffle plate, so that the handcart cannot be pushed into the cabinet body.
5. A novel switchgear cabinet blocking device, as claimed in claim 4, characterized in that: the grounding switch further comprises an installation plate, a connection shaft and a swing arm, the installation plate is fixedly arranged in the cabinet body, the connection shaft is rotatably arranged on the installation plate, the swing arm is fixedly arranged on the connection shaft, the grounding knife is arranged on the swing arm, and the grounding knife is separated from/matched with the static contact through rotation of the connection shaft.
6. A novel switchgear cabinet blocking device, as claimed in claim 5, characterized in that: the first transmission piece comprises a first connecting block, a second connecting block and a first connecting rod, the first connecting block is fixedly arranged on the first linkage shaft, the second connecting block is fixedly arranged on the connecting shaft, and two ends of the first connecting rod are respectively hinged to the first connecting block and the second connecting block.
7. A novel switchgear cabinet blocking device, as claimed in claim 6, characterized in that: the second transmission part comprises a third connecting block, a fourth connecting block and a second connecting rod, the third connecting block is fixedly arranged on the first linkage shaft, the fourth connecting block is fixedly arranged on the first lock rod, and two ends of the second connecting rod are respectively hinged to the third connecting block and the fourth connecting block.
8. A novel switchgear cabinet blocking apparatus as claimed in claim 7, wherein: the driving part adopts a cam, the second linkage assembly comprises a second linkage shaft, a third transmission part and a fourth transmission part, the second linkage shaft is rotatably arranged in the cabinet body, the driving part drives the second linkage shaft to rotate through the third transmission part, and the second linkage shaft drives the second lock rod to rotate through the fourth transmission part so as to drive the blocking part to overturn.
9. A novel switchgear cabinet blocking apparatus as claimed in claim 8, wherein: the third transmission part comprises a guide block, a movable seat and a connecting rod structure, the guide block is fixedly arranged in the cabinet body, the movable seat is in sliding fit with the guide block, the driving part drives the movable seat to move up and down on the guide block, one end of the connecting rod structure is connected to the movable seat, and the other end of the connecting rod structure is connected to the second linkage shaft; the fourth transmission part comprises a fifth connecting block, a sixth connecting block and a third connecting rod, the fifth connecting block is fixedly arranged on the second linkage shaft, the sixth connecting block is fixedly arranged on the second lock rod, and two ends of the third connecting rod are respectively hinged to the fifth connecting block and the sixth connecting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022515355.8U CN213402207U (en) | 2020-11-04 | 2020-11-04 | Novel cubical switchboard shutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022515355.8U CN213402207U (en) | 2020-11-04 | 2020-11-04 | Novel cubical switchboard shutting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213402207U true CN213402207U (en) | 2021-06-08 |
Family
ID=76192653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022515355.8U Active CN213402207U (en) | 2020-11-04 | 2020-11-04 | Novel cubical switchboard shutting device |
Country Status (1)
| Country | Link |
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| CN (1) | CN213402207U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116825558A (en) * | 2023-08-30 | 2023-09-29 | 福建德普乐能源科技有限公司 | Interlocking device for high-voltage switch equipment mechanism |
-
2020
- 2020-11-04 CN CN202022515355.8U patent/CN213402207U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116825558A (en) * | 2023-08-30 | 2023-09-29 | 福建德普乐能源科技有限公司 | Interlocking device for high-voltage switch equipment mechanism |
| CN116825558B (en) * | 2023-08-30 | 2023-12-01 | 福建德普乐能源科技有限公司 | Interlocking device for high-voltage switch equipment mechanism |
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