CN112735875B

CN112735875B - Interlocking device

Info

Publication number: CN112735875B
Application number: CN202011516805.3A
Authority: CN
Inventors: 汤彬富; 缪冬冬; 赵磊; 路浩
Original assignee: Zhongtian Electrical Technology Co ltd
Current assignee: Zhongtian Electrical Technology Co ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-03-11
Anticipated expiration: 2040-12-21
Also published as: CN112735875A

Abstract

An interlocking device comprises an upper cabinet body and a lower cabinet body. The upper cabinet body is provided with a first door plate. The lower cabinet body is provided with a second door plate, and the second door plate is provided with a first fixing hole and a second fixing hole. The interlocking device further comprises an interlocking mechanism arranged on the first door plate, wherein the interlocking mechanism comprises a fixing plate, a connecting plate, a first interlocking piece, a second interlocking piece and a locking piece. The fixed plate is fixedly arranged on the first door plate. The connecting plate is connected with the fixed plate. The first interlocking member is provided on the connecting plate, and the first interlocking member includes a lock shaft. The second interlocking piece comprises a limiting plate fixed on the connecting plate and a limiting shaft movably arranged on the limiting plate, and when the second door panel is closed relative to the lower cabinet body, the locking shaft and the limiting shaft are respectively used for being inserted into the first fixing hole and the second fixing hole. The locking piece includes the cam, and the cam rotates to be connected in the fixed plate, moves about from top to bottom with spacing axle butt in order to promote spacing relative limiting plate of axle when the cam rotates to make spacing axle locking second door plant or remove the locking to the second door plant.

Description

Interlocking device

Technical Field

The application relates to the technical field of switch cabinet equipment components, in particular to an interlocking device.

Background

Along with the continuous development of industrial economy, the demand for the ring main unit is larger and larger, and the role played by the ring main unit is more and more important. At present, a sleeve type nylon stay wire soft interlocking mode is adopted for interlocking of ring main unit doors produced by various manufacturers, and when the mode is adopted, the interlocking nylon stay wires between the switch and the upper door and the lower door are prone to deformation or clamping stagnation, so that the lower door can be opened under the electrified condition of a cable chamber after the switch is switched on and power is supplied, great hidden dangers are generated, and electric shock accidents are prone to happening.

Disclosure of Invention

In view of the above, it is desirable to provide an interlock device that can improve safety.

An interlock device is provided in one embodiment of the present application, including an upper cabinet and a lower cabinet. The upper cabinet body is provided with a first door plate. The lower cabinet body is provided with a second door plate, and the second door plate is provided with a first fixing hole and a second fixing hole.

The interlocking device further comprises an interlocking mechanism arranged on the first door plate, wherein the interlocking mechanism comprises a fixing plate, a connecting plate, a first interlocking piece, a second interlocking piece and a locking piece. The fixed plate is fixedly arranged on the first door plate. The connecting plate is connected with the fixing plate. The first interlocking member is disposed on the connection plate, and the first interlocking member includes a lock shaft. The second interlocking piece is in including fixing limiting plate and the activity setting on the connecting plate spacing axle on the limiting plate the second door plant is relative when the lower cabinet body is closed, the lock axle with spacing axle is used for inserting respectively first fixed orifices with the second fixed orifices. The locking piece comprises a cam, the cam is rotationally connected to the fixing plate, and the cam is abutted to the limiting shaft to push the limiting shaft to move up and down relative to the limiting plate when rotating, so that the limiting shaft locks the second door plate or releases the locking of the second door plate.

In some possible implementation manners, the second interlocking member further includes an elastic member sleeved on the limiting shaft and a limiting member disposed at one end of the limiting shaft, the limiting member extends from the end circumference of the limiting shaft to the radial direction away from the limiting shaft, and the outer diameter of the limiting member is greater than the outer diameter of the elastic member.

In some possible implementations, the first door panel is provided with a mounting slot in which the interlocking mechanism is received.

In some possible implementations, the interlock device further includes an interlock plate. The interlocking plate is elastically arranged on the connecting plate and abutted against the lock shaft, and the interlocking plate is used for sliding when the second door panel is closed, so that the lock shaft is separated from the interlocking plate and moves into the first fixing hole.

In some possible implementation manners, the first interlocking part further includes a first connecting piece, a transition piece and a second connecting piece, the transition piece is connected to the first connecting piece and the second connecting piece respectively, the lock shaft includes a first lock shaft, a second lock shaft and a third lock shaft, the first lock shaft and the second lock shaft are connected to two ends of the first connecting piece, the third lock shaft is disposed at one end of the second connecting piece far away from the first connecting piece, and the first lock shaft, the second lock shaft and the third lock shaft are movably disposed on the connecting plate.

In some possible implementation manners, the first door panel is provided with a switching-off operation hole and a switching-on operation hole, the fixing plate is provided with a switching-off hole and a switching-on hole, the switching-off hole and the switching-on hole correspond to the switching-off operation hole and the switching-on operation hole respectively, the locking piece further comprises a shielding piece connected to the cam, and the shielding piece is used for rotating when the cam rotates, so that the switching-off operation hole or the switching-on operation hole is shielded.

In some possible implementation manners, a plurality of through holes are formed in the connecting plate, and the plurality of through holes respectively correspond to the first fixing hole and the second fixing hole.

In some possible implementations, the interlock device further includes a lifting plate and a toggle member, the lifting plate is connected to the transition member, the toggle member is disposed on the lifting plate, and the toggle member is configured to drive the lifting plate to move when being operated, so as to drive the lock shaft to disengage from the first fixing hole.

In some possible implementation manners, a mounting hole is further formed in the first door panel, and one end of the toggle piece protrudes out of the outer surface of the first door panel through the mounting hole.

In some possible implementations, the transition piece is perpendicular to the first and second connections, respectively.

According to the interlocking device, the first locking shaft, the second locking shaft and the third locking shaft of the first interlocking piece are connected with the first fixing hole in the second door panel, and the limiting shaft of the second interlocking piece is connected with the second fixing hole in the second door panel, so that the first door panel and the second door panel are firmly interlocked; simultaneously, the cam of second interlock piece can be spacing to spacing axle when rotating for the second door plant is locked, and the cam can also release spacing axle when rotating, makes follow-up can stir the locking of piece and remove the second door plant through the operation.

Drawings

Fig. 1 is a partial schematic structural view of an interlock device according to an embodiment of the present application.

Fig. 2 is a schematic view of the overall structure of an interlock device according to an embodiment of the present application.

Fig. 3 is a schematic view of the interlock mechanism of the interlock device shown in fig. 1.

Fig. 4 is a front view of the interlock mechanism shown in fig. 3.

Fig. 5 is a front view of the interlock mechanism shown in fig. 3 in another state.

Description of the main elements

Interlock device 100

Cabinet 10

Lower cabinet body 11

Upper cabinet body 12

Cabinet door 20

First door panel 21

Opening operation hole 211

Closing operation hole 212

Mounting hole 213

Second door panel 22

First fixing hole 221

Second fixing hole 222

Interlocking mechanism 30

Fixing plate 31

Brake separating hole 301

Switch-on hole 302

Connecting plate 32

Through hole 321

First interlocking member 33

First connecting member 331

Transition piece 332

Second connecting piece 333

First lock shaft 334

Second lock shaft 335

Third lock shaft 336

Second interlock member 34

Position-limiting plate 341

Limiting shaft 342

Elastic member 343

Position limiter 344

Lifting plate 35

Toggle piece 36

Locking piece 41

Cam 411

Shield 412

Interlocking plate 51

The following detailed description will further illustrate the present application in conjunction with the above-described figures.

Detailed Description

In order that the above objects, features and advantages of the embodiments of the present application can be more clearly understood, a detailed description of the present application will be given below with reference to the accompanying drawings and detailed description. In addition, the features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth to provide a thorough understanding of embodiments of the application, which are part of the disclosure and not all of the disclosure.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the embodiments of this application belong. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present application.

Referring to fig. 1 and fig. 2, the interlocking device 100 of the present embodiment includes a cabinet 10, a cabinet door 20 and an interlocking mechanism 30, wherein the cabinet door 20 is mounted on the cabinet 10, and the interlocking mechanism 30 is disposed on the cabinet door 20, and through the movable cooperation between the interlocking mechanism 30 and the cabinet door 20, the hard interlocking between the cabinet doors 20 is realized, so as to lock and protect the cabinet 10.

Specifically, the cabinet 10 includes an upper cabinet 12 and a lower cabinet 11, and in one embodiment, the upper cabinet 12 and the lower cabinet 11 are independently and separately disposed.

In one embodiment, the upper cabinet 12 includes an air box that is modular in construction.

Further, the upper cabinet body 12 further includes an electrical box, a load switch mechanism and a ground switch mechanism are arranged inside the electrical box, wherein the load switch mechanism is used for driving the load switch to perform the opening and closing operation, and the ground switch mechanism is used for driving the ground switch to perform the opening and closing operation.

The cabinet door 20 includes a first door panel 21 and a second door panel 22, the first door panel 21 is connected to the upper cabinet 12, and the second door panel 22 is connected to the lower cabinet 11.

The first door panel 21 is provided with an opening operation hole 211 and a closing operation hole 212, the opening operation hole 211 corresponds to an opening button, and the closing operation hole 212 corresponds to a closing button.

A mounting groove (not shown) is further formed on one side of the first door panel 21 facing the upper cabinet 12, and the mounting groove is used for accommodating the interlocking mechanism 30.

Referring to fig. 3, a plurality of first fixing holes 221 and a second fixing hole 222 are disposed on a side of the second door panel 22 adjacent to the interlocking mechanism 30, and the plurality of first fixing holes 221 and the second fixing holes 222 are used for cooperating with the interlocking mechanism 30 to realize hard interlocking of the second door panel 22 and the first door panel 21.

The interlocking mechanism 30 is disposed on a side of the first door panel 21 facing the upper cabinet 12, and includes a fixing plate 31, a connecting plate 32 connected to an end of the fixing plate 31, and a first interlocking member 33 and a second interlocking member 34 disposed on the connecting plate 32.

The fixing plate 31 is fixedly disposed on the first door panel 21 and is received in the mounting groove. The fixed plate 31 is provided with an opening hole 301 and a closing hole 302, and the opening hole 301 and the closing hole 302 respectively correspond to the opening operation hole 211 and the closing operation hole 212 of the first door panel 21, so as to facilitate control of opening and closing during operation.

The connecting plate 32 is provided with a plurality of through holes 321, the plurality of through holes 321 correspond to the first fixing holes 221 and the second fixing holes 222, respectively, and the first interlocking member 33 and the second interlocking member 34 pass through the through holes 321 and are clamped in the first fixing holes 221 and the second fixing holes 222, respectively, so as to lock and fix the second door panel 22. In one embodiment, the connecting plate 32 is perpendicular to the fixing plate 31 and disposed in the mounting groove. The connecting plate 32 is substantially rectangular parallelepiped.

Referring to fig. 3 and 4, the first interlocking member 33 includes a first connecting member 331, a transition member 332 and a second connecting member 333, and two ends of the transition member 332 are respectively connected to the first connecting member 331 and the second connecting member 333. The first interlocking member 33 further includes a first locking shaft 334, a second locking shaft 335, and a third locking shaft 336, and the first locking shaft 334, the second locking shaft 335, and the third locking shaft 336 are used to be inserted into the first fixing hole 221 of the second door panel 22, so as to lock the first door panel 21 and the second door panel 22. Specifically, the first lock shaft 334 and the second lock shaft 335 are connected to two ends of the first connection member 331, and the third lock shaft 336 is disposed at an end of the second connection member 333 away from the first connection member 331. In an embodiment, the first connecting member 331, the transition member 332 and the second connecting member 333 are integrally disposed, and the transition member 332 is perpendicular to the first connecting member 331 and the second connecting member 333, respectively.

Referring to fig. 4 and 5, the second interlocking member 34 includes a position-limiting plate 341, a position-limiting shaft 342 slidably disposed on the position-limiting plate 341, an elastic member 343 disposed on the position-limiting shaft 342, and a position-limiting member 344 disposed at one end of the position-limiting shaft 342, wherein the position-limiting plate 341 is fixedly connected to the connecting plate 32 for positioning the position-limiting shaft 342. In an embodiment, the limiting plate 341 is disposed between the fixing plate 31 and the first connector 331. The limiting shaft 342 penetrates through the limiting plate 341 and can be inserted into the second fixing hole 222, so as to realize the hard interlocking of the first door panel 21 and the second door panel 22. In one embodiment, the elastic member 343 is a spring. The limiting member 344 extends from the end circumference of the limiting shaft 342 to a direction away from the radial direction thereof, the outer diameter of the limiting member 344 is larger than that of the elastic member 343, and the limiting member 344 is used for preventing the elastic member 343 from popping out. In one embodiment, the stop 344 is a stop ring.

The interlocking device 100 further comprises a lifting plate 35 and a toggle piece 36, wherein the lifting plate 35 is connected to the transition piece 332, the toggle piece 36 is disposed on the lifting plate 35, and the toggle piece 36 toggles to drive the lifting plate 35 to move so as to drive the first lock shaft 334, the second lock shaft 335 and the third lock shaft 336 to move, so as to lock or unlock with the second door panel 22.

Referring to fig. 2, the first door panel 21 is further provided with a mounting hole 213, and the mounting hole 213 is used for allowing one end of the toggle member 36 to protrude out of the outer surface of the first door panel 21, so as to facilitate manual operation.

Referring to fig. 4, the interlocking device 100 further includes a locking member 41, wherein the locking member 41 is rotatably connected to the fixing plate 31 and connected to the grounding switch mechanism, and is used for shielding the closing operation hole 212 or the opening operation hole 211 or displaying the opening operation hole 211 and the closing operation hole 212, so as to facilitate operation.

Further, the locking member 41 includes a cam 411 and a shielding member 412 connected to an end surface of the cam 411, the cam 411 is rotatably connected to the fixing plate 31, and abuts against the limiting shaft 342 when rotating, so as to push the limiting shaft 342 to slide up and down relative to the limiting plate 341, and when the limiting shaft 342 moves down, the cam passes through the first fixing hole 221 of the second door panel 22, so as to realize hard interlocking of the first door panel 21 and the second door panel 22. The shutter 412 is for controlling the rotation of the cam 411. In one embodiment, the shielding member 412 is substantially rectangular, and when the shielding member rotates, the shielding member can shield the opening operation hole and the closing operation hole, so as to provide a warning function.

The interlocking device 100 is further provided with an interlocking plate 51, the interlocking plate 51 is slidably connected below the connecting plate 32 through a return spring (not shown), and the interlocking plate 51 is abutted against the limiting shaft 342 when the return spring is in an original state. In one embodiment, the interlock plate 51 is generally L-shaped.

Referring to fig. 4, when the interlock device 100 is used, after the second door panel 22 is closed in place, the second door panel 22 pushes the interlock plate 51 to slide, the interlock plate 51 is no longer abutted to the limit shaft 342 (that is, the limit shaft 342 is separated from the interlock plate 51), so that the first lock shaft 334, the second lock shaft 335 and the third lock shaft 336 on the interlock mechanism 30 simultaneously slide down and lock the second door panel 22, after the load switch is closed, the shielding member 412 rotates counterclockwise by 45 degrees, the cam 411 presses the limit shaft 342, so that the limit shaft 342 locks the second door panel 22, and meanwhile, the shielding member 412 blocks the operation hole of the grounding switch, thereby ensuring that the grounding switch cannot be closed after the load switch is closed, preventing misoperation, and ending the interlock device 100 blocking process.

Referring to fig. 5, when the maintenance and unlocking are required, the load switch is operated to open the brake, after the load switch is opened, the shielding member 412 rotates clockwise by 45 degrees, and the cam 411 presses the limit shaft 342, so that the limit shaft 342 locks the second door panel 22. Then, the ground switch is operated to be closed, after the ground switch is closed, the shielding member 412 rotates clockwise by 45 degrees, the cam 411 releases the limiting shaft 342, so that the limiting shaft 342 unlocks the second door panel 22, and simultaneously, the shielding member 412 closes the load switch operation hole. The toggle member 36 is lifted up so that the interlock mechanism 30 unlocks the second door panel 22 and at the same time, the interlock mechanism 30 latches the ground switch operating hole and the load switch operating hole, at which time the second door panel 22 can be opened for maintenance.

The utility model provides an interlock through first lock axle, second lock axle, the third lock axle that sets up first interlocking piece and the first fixed orifices on the second door plant be connected to and set up the spacing axle of second interlocking piece and be connected with the second fixed orifices on the second door plant, realized the hard interlocking of first door plant and second door plant. Simultaneously, the cam of second interlock piece can be spacing to spacing axle when rotating for the second door plant is locked, and the cam can also release spacing axle when rotating, makes follow-up can stir the locking of piece and remove the second door plant through the operation.

Although the embodiments of the present application have been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the embodiments of the present application.

Claims

1. An interlocking device comprises an upper cabinet body and a lower cabinet body, wherein the upper cabinet body is provided with a first door plate, the lower cabinet body is provided with a second door plate,

the interlocking device is characterized in that the second door panel is provided with a first fixing hole and a second fixing hole, the interlocking device further comprises an interlocking mechanism arranged on the first door panel, and the interlocking mechanism comprises:

the fixing plate is fixedly arranged on the first door plate;

the connecting plate is connected with the fixing plate;

a first interlocking member provided on the connection plate, the first interlocking member including a lock shaft;

the second interlocking piece comprises a limiting plate fixed on the connecting plate and a limiting shaft movably arranged on the limiting plate, when the second door panel is closed relative to the lower cabinet body, the locking shaft and the limiting shaft are respectively used for being inserted into the first fixing hole and the second fixing hole, the second interlocking piece further comprises an elastic piece sleeved on the limiting shaft and a limiting piece arranged at one end of the limiting shaft, the limiting piece extends from the circumferential direction of the end part of the limiting shaft to the radial direction far away from the limiting shaft, and the outer diameter of the limiting piece is larger than that of the elastic piece;

the locking piece comprises a cam, the cam is rotationally connected with the fixed plate, the cam is abutted to the limiting shaft to push the limiting shaft to move up and down relative to the limiting plate when rotating, and therefore the limiting shaft is enabled to lock the second door plate or unlock the second door plate.

2. The interlock of claim 1 wherein said first door panel is provided with a mounting slot, said interlock mechanism being received in said mounting slot.

3. The interlock of claim 1 further comprising:

the interlocking plate is elastically arranged on the connecting plate and abutted against the lock shaft, and the interlocking plate is used for sliding when the second door panel is closed, so that the lock shaft is separated from the interlocking plate and moves into the first fixing hole.

4. The interlocking device according to claim 1, wherein the first interlocking member further comprises a first connecting member, a transition member and a second connecting member, the transition member is connected to the first connecting member and the second connecting member respectively, the lock shafts comprise a first lock shaft, a second lock shaft and a third lock shaft, the first lock shaft and the second lock shaft are connected to two ends of the first connecting member, the third lock shaft is arranged at one end of the second connecting member far away from the first connecting member, and the first lock shaft, the second lock shaft and the third lock shaft are movably arranged on the connecting plate.

5. The interlocking device according to claim 1, wherein the first door panel is provided with an opening operation hole and a closing operation hole, the fixing plate is provided with an opening hole and a closing hole, the opening hole and the closing hole respectively correspond to the opening operation hole and the closing operation hole, and the locking member further comprises a shielding member connected to the cam, and the shielding member is configured to rotate when the cam rotates, so that the opening operation hole or the closing operation hole is shielded.

6. The interlock of claim 1 wherein said web has a plurality of through holes therein, said plurality of through holes corresponding to said first and second securing holes, respectively.

7. The interlock of claim 4 further comprising a lift plate coupled to said transition member and a toggle member disposed on said lift plate, said toggle member operable to move said lift plate to disengage said lock shaft from said first fixed aperture.

8. The interlock of claim 7 wherein: the first door plate is further provided with a mounting hole, and one end of the poking piece protrudes out of the outer surface of the first door plate through the mounting hole.

9. The interlock of claim 4 wherein said transition piece is perpendicular to said first and second connectors, respectively.