CN215897023U - Low-voltage switch cabinet with safety interlocking structure - Google Patents
Low-voltage switch cabinet with safety interlocking structure Download PDFInfo
- Publication number
- CN215897023U CN215897023U CN202120633601.1U CN202120633601U CN215897023U CN 215897023 U CN215897023 U CN 215897023U CN 202120633601 U CN202120633601 U CN 202120633601U CN 215897023 U CN215897023 U CN 215897023U
- Authority
- CN
- China
- Prior art keywords
- switch cabinet
- rod
- movable
- connecting rod
- low
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a low-voltage switch cabinet with a safety interlocking structure, which comprises a switch cabinet body, a mounting frame and an operating shaft, wherein the upper end of the switch cabinet body is provided with an operating hole, a bracket is arranged in the switch cabinet body, the bracket is connected with a connecting rod through a rotating shaft, the right side of the connecting rod is connected with a movable rod, the left side of the connecting rod is connected with a movable stop block, the left side of the movable stop block is connected with a lifting rod, the middle part of the movable stop block is connected with the bottom of a fixed rod through a first spring, the lower end of the lifting rod is provided with a locking plate, the left end of the locking plate is provided with a plurality of grooves, the device controls a safety interlocking device through the opening and closing of a front lower door, the movable rod can be driven by the connecting rod to move downwards after the front lower door is closed, the operating hole is not blocked, otherwise, the safety of the switch cabinet body is improved, the practical range is wider, the connecting rod has a simple design structure, is convenient to maintain, the moving distance and the moving direction of the movable rod can be conveniently controlled, the service life is longer.
Description
Technical Field
The utility model relates to a low-voltage switch cabinet with a safety interlocking structure.
Background
The switch cabinet is a common electrical device mainly comprising a circuit breaker, and is divided into a low-voltage switch cabinet and a high-voltage switch cabinet, and the requirements on the technical performance, operation, use, maintenance and the like of the movable switch cabinet in an electric power system are higher and higher at present, particularly the requirements on safety. When the switch cabinet is maintained and overhauled, in order to prevent the switch cabinet from being electrified and endangering personal safety, the operating shaft in the switch cabinet needs to be rotated firstly to switch on and earth the earthing switch in the switch cabinet, then the front lower door or the rear door of the switch cabinet can be opened for maintenance and overhaul, and in the process of opening the door for maintenance and overhaul, the rotating operating shaft is not allowed to disconnect the earthing switch from the brake and the earthing. But the back door and preceding lower door and earthing switch of current cubical switchboard are not interlocked, promptly: the on-off of the grounding switch, the opening and closing of the rear door and the opening and closing of the front lower door are mutually independent, so that the grounding switch is easy to be in non-closed grounding, a maintainer opens the front lower door or the rear door of the switch cabinet to maintain, or the grounding switch of the switch cabinet is disconnected and grounded by mistaken opening in the process of opening, maintenance and repair, and electric shock danger is easy to occur.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects of the prior art and provides a low-voltage switch cabinet with a safety interlocking structure.
A low-voltage switch cabinet with a safety interlocking structure comprises a switch cabinet body, a mounting frame and an operating shaft, wherein an operating hole is formed in the upper end of the switch cabinet body, the left side of the operating hole is connected with the right side of the operating shaft, a support is arranged in the switch cabinet body and is connected with a connecting rod through a rotating shaft, the right side of the connecting rod is connected with a movable rod, the left side of the connecting rod is connected with a movable stop block, the left side of the movable stop block is connected with a lifting rod, a cam connected with the operating shaft is arranged at the top of the lifting rod, a fixed rod is arranged in the middle of the lifting rod, the middle of the movable stop block is connected with the bottom of the fixed rod through a first spring, a lock plate is arranged at the lower end of the lifting rod, a plurality of grooves are formed in the left end of the lock plate, a second spring abutting against the right side of the lifting rod is arranged in the grooves, a lock plate hole in the right side of the lock plate penetrates through the lower end of the switch cabinet body and is connected with a front lower door, the top of jam plate be equipped with the jam plate dog, the right-hand member of jam plate be equipped with the jam plate hole, the top in jam plate hole is equipped with the locking piece, the right side of lifter and mounting bracket link to each other.
As a further improvement, the number of the second springs is 2.
As a further improvement, the lifting rod is sleeved with a third spring, and the third spring is positioned at the joint of the lifting rod and the fixed rod.
As a further improvement, the locking block is rectangular.
As a further improvement, the movable rod is L-shaped, the L-shaped is inverted L-shaped, and the upper end of the movable rod is positioned at the right end of the operation hole.
As a further improvement, the right side of the connecting rod is connected with the movable rod through a rotating shaft, and the left side of the connecting rod is connected with the movable stop block through a rotating shaft.
Has the advantages that:
this device is through the on-off control safety interlock of preceding lower door, and preceding lower door is closed the back movable rod and can be driven down to move by the connecting rod, does not shelter from the handle hole, and otherwise the movable rod then can shelter from the handle hole, has improved the security of the cubical switchboard body, and practical range is wider, connecting rod design simple structure, and easy maintenance conveniently controls the displacement distance and the moving direction of movable rod, and life is longer.
Drawings
FIG. 1 is a first schematic view of a low-voltage type switch cabinet with a safety interlock structure, wherein a front lower door of the low-voltage type switch cabinet is closed;
FIG. 2 is a schematic diagram of a second general structure of a low-voltage type switch cabinet with a safety interlock structure, wherein a front lower door of the low-voltage type switch cabinet is opened;
1. the switch cabinet comprises a switch cabinet body 2, an operation hole 3, a movable rod 4, a mounting frame 5, a lifting rod 6, a movable stop 7, a first spring 8, a connecting rod 9, a support 10, a rotating shaft 11, a locking plate 12, a second spring 13, a locking plate stop 14, a locking plate hole 15, a locking block 16, a front lower door 17, an operation shaft 18, a cam 19, a fixed rod 20 and a third spring.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be further described in detail with reference to the following examples and the accompanying drawings, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
As shown in fig. 1 and 2, a low-voltage switch cabinet with a safety interlocking structure includes a switch cabinet body 1, an operation hole 2, a movable rod 3, a mounting frame 4, a lifting rod 5, a movable stopper 6, a first spring 7, a connecting rod 8, a bracket 9, a rotating shaft 10, a lock plate 11, a second spring 12, a lock plate stopper 13, a lock plate hole 14, a lock block 15, a front lower door 16, an operation shaft 17, a cam 18, a fixing rod 19, and a third spring 20.
A low-voltage switch cabinet with a safety interlocking structure comprises a switch cabinet body 1, a mounting frame 4 and an operating shaft 17, wherein an operating hole 2 is formed in the upper end of the switch cabinet body 1, the left side of the operating hole 2 is connected with the right side of the operating shaft 17, a support 9 is arranged in the switch cabinet body 1, the support 9 is connected with a connecting rod 8 through a rotating shaft 10, the right side of the connecting rod 8 is connected with a movable rod 3, the movable rod 3 is L-shaped, the L-shaped is inverted L-shaped, the upper end of the movable rod 3 is positioned at the right end of the operating hole 2, the left side of the connecting rod 8 is connected with a movable stop 6, the left side of the movable stop 6 is connected with a lifting rod 5, the right side of the connecting rod 8 is connected with the movable rod 3 through the rotating shaft 10, the left side of the connecting rod 8 is connected with the movable stop 6 through the rotating shaft 10, a cam 18 connected with the operating shaft 17 is arranged at the top of the lifting rod 5, a fixing rod 19 is arranged in the middle of the lifting rod 5, remove the bottom of dog 6 middle part through first spring 7 and dead lever 19 and link to each other, the lower extreme of lifter 5 be equipped with jam plate 11, the left end of jam plate 11 is equipped with a plurality of recess, the recess be equipped with the second spring 12 that offsets with the right side of lifter 5, the quantity of second spring 12 is 2, the right side of jam plate 11 run through the jam plate hole 14 of the 1 lower extreme of the cubical switchboard body and link to each other with preceding lower door 16, the top of jam plate 11 be equipped with jam plate dog 13, the right-hand member of jam plate 11 be equipped with jam plate hole 14, jam plate hole 14's top is equipped with lock piece 15, lock piece 15 is the rectangle, lifter 5 and mounting bracket 4's right side link to each other, the cover is equipped with third spring 20 on lifter 5, third spring 20 be located lifter 5 and dead lever 19's junction.
During the use, preceding lower door removes the dog after closing the door and passes through the spring and remove to the dead lever direction, and simultaneously, the dog falls into in the jam plate recess on the jam plate and locks, drives the connecting rod and removes the movable rod downwards this moment, thereby the handle hole does not have the shelters from, the operating axis can normal use, otherwise preceding lower door removes the dog and passes through the spring and removes to the opposite direction of dead lever, and simultaneously, the dog shifts out the jam plate recess on the jam plate, drives the connecting rod and upwards removes the movable rod this moment, thereby the handle hole is sheltered from by the movable rod, can not normal use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A low-voltage switch cabinet with a safety interlocking structure is characterized by comprising a switch cabinet body, a mounting frame and an operating shaft, wherein an operating hole is formed in the upper end of the switch cabinet body, the left side of the operating hole is connected with the right side of the operating shaft, a support is arranged in the switch cabinet body and is connected with a connecting rod through a rotating shaft, the right side of the connecting rod is connected with a movable rod, the left side of the connecting rod is connected with a movable stop block, the left side of the movable stop block is connected with a lifting rod, a cam connected with the operating shaft is arranged at the top of the lifting rod, a fixed rod is arranged in the middle of the lifting rod, the middle of the movable stop block is connected with the bottom of the fixed rod through a first spring, a lock plate is arranged at the lower end of the lifting rod, a plurality of grooves are formed in the left end of the lock plate, a second spring abutting against the right side of the lifting rod is arranged in the grooves, a lock plate hole in the right side of the lock plate penetrates through the lower end of the switch cabinet body to be connected with a front lower door, the top of jam plate be equipped with the jam plate dog, the right-hand member of jam plate be equipped with the jam plate hole, the top in jam plate hole is equipped with the locking piece, the right side of lifter and mounting bracket link to each other.
2. The low-voltage type switch cabinet with the safety interlocking structure as claimed in claim 1, wherein the number of the second springs is 2.
3. The low-voltage type switch cabinet with the safety interlocking structure as claimed in claim 1, wherein the lifting rod is sleeved with a third spring, and the third spring is positioned at the joint of the lifting rod and the fixed rod.
4. A low voltage type switchgear with safety interlock structure as claimed in claim 1, wherein said locking block is rectangular.
5. The low-voltage type switch cabinet with the safety interlocking structure as claimed in claim 1, wherein the movable rod is L-shaped, the L-shape is an inverted L-shape, and the upper end of the movable rod is positioned at the right end of the operation hole.
6. The low voltage type switchgear with safety interlock structure as claimed in claim 1, wherein the right side of said link is connected to the movable bar through a rotation shaft, and the left side of said link is connected to the moving block through a rotation shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633601.1U CN215897023U (en) | 2021-03-29 | 2021-03-29 | Low-voltage switch cabinet with safety interlocking structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120633601.1U CN215897023U (en) | 2021-03-29 | 2021-03-29 | Low-voltage switch cabinet with safety interlocking structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215897023U true CN215897023U (en) | 2022-02-22 |
Family
ID=80339850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120633601.1U Active CN215897023U (en) | 2021-03-29 | 2021-03-29 | Low-voltage switch cabinet with safety interlocking structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215897023U (en) |
-
2021
- 2021-03-29 CN CN202120633601.1U patent/CN215897023U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104319130A (en) | Operating mechanism and locking device thereof | |
| CN110190548B (en) | Switch cabinet with front cable chamber door | |
| CN201032613Y (en) | Interlocking device for switching equipment | |
| CN215897023U (en) | Low-voltage switch cabinet with safety interlocking structure | |
| CN107564746B (en) | Electric ground knife interlocking device of medium-voltage switch cabinet and working method thereof | |
| CN216980391U (en) | Interlocking device for preventing misoperation of inflating cabinet | |
| CN102723222B (en) | Fixed high-voltage switch cabinet interlocking mechanism | |
| CN212516998U (en) | Direct control device for contact net isolating switch | |
| CN211376515U (en) | Safety interlocking device of switch cabinet | |
| CN209169035U (en) | A kind of safe interlocked control switch | |
| CN209860466U (en) | Power distribution switchgear and aviation plug interlocking device thereof | |
| CN203288462U (en) | An operational interlock of a ring main unit | |
| CN209691635U (en) | Front lower door interlock with front lower gate interlock and backlocking | |
| CN202332627U (en) | Interlocking device for preventing on-load switching-on and switching-off isolation | |
| CN208478220U (en) | A kind of five anti-interlocking operation mechanisms of middle-high voltage switch | |
| CN111900004A (en) | Interlocking device of emergency power supply double switches | |
| CN211376516U (en) | Safety interlocking device of front lower door of switch cabinet | |
| CN205542548U (en) | Interlocking device of high voltage distribution cabinet earthing switch and circuit breaker room cabinet door for smart power grids | |
| CN210692393U (en) | Diplopore operating device interlock, looped netowrk cabinet | |
| CN205230879U (en) | Mechanical interlocking between solid insulation looped netowrk cabinet earthing switch and cable chamber | |
| CN216213215U (en) | Integrated circuit breaker interlocking device | |
| CN219553503U (en) | Application structure of 6kV grounding disconnecting link in 0.4kV power distribution system | |
| CN212365785U (en) | Interlocking device of emergency power supply double switches | |
| CN212935350U (en) | Cubical switchboard handcart with ground connection interlocking function | |
| CN218919768U (en) | Interlocking mechanism on environment-friendly cabinet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |