CN220964121U

CN220964121U - Door closing interlocking assembly and switch cabinet with same

Info

Publication number: CN220964121U
Application number: CN202322462484.9U
Authority: CN
Inventors: 盛利东; 宋国禹; 邵正平
Original assignee: Zhejiang Zhengtai Electric Technology Co ltd
Current assignee: Zhejiang Zhengtai Electric Technology Co ltd
Priority date: 2023-09-11
Filing date: 2023-09-11
Publication date: 2024-05-14
Anticipated expiration: 2033-09-11

Abstract

The utility model provides a door closing interlocking assembly and a switch cabinet with the same. The door closing interlocking assembly includes: the pushing part is telescopically arranged on the cabinet body of the switch cabinet; the shielding structure is movably arranged on the cabinet body and used for shielding or avoiding the interlocking hole positioned on the cabinet body; the transmission structure is rotatably arranged on the cabinet body and is provided with at least two transmission parts, the at least two transmission parts are arranged at intervals around the pivot axis of the transmission structure, at least one transmission part is movably connected with the pushing part, and at least one transmission part is movably connected with the shielding structure; when the pushing part is pushed to move towards the inner side of the switch cabinet through the cabinet door of the switch cabinet, the pushing part drives the transmission part connected with the pushing part to rotate towards one side away from the interlocking hole, so that the transmission part connected with the shielding structure drives the shielding structure to move to avoid the interlocking hole. The utility model solves the problems of complex structure and high cost of the interlocking mechanism for the door closing operation of the switch cabinet in the prior art.

Description

Door closing interlocking assembly and switch cabinet with same

Technical Field

The utility model relates to the technical field of switch cabinets, in particular to a door closing interlocking assembly and a switch cabinet with the same.

Background

Currently, due to customer requirements, the circuit breaker needs to be closed before operation. Specifically, the 35KV switchgear circuit breaker is a floor handcart, so that the interlocking is difficult to increase on the circuit breaker body, and the matching relationship between the circuit breaker on the cabinet body and the grounding knife interlocking hole is generally utilized, so that when the circuit breaker is in an experimental position, the unlocking of the circuit breaker cannot be realized if the cabinet door is not closed, and the unlocking of the circuit breaker can be realized after the cabinet door is closed, thereby realizing the door closing operation.

In the prior art, a door closing operation interlocking mechanism of a switch cabinet is generally characterized in that a middle door lock is arranged on a middle door cabinet body, the middle door lock is connected with a middle door interlocking support through a door lock connecting rod, the lower end of the middle door interlocking support is provided with a lead screw unlocking plate, a fixed frame is arranged below the lead screw unlocking plate, a limiting rod is arranged on the fixed frame in a penetrating mode, the top end of the limiting rod is opposite to a limiting hole of a lead screw nut, a lower shifting block is arranged below the lead screw unlocking plate, an upper shifting block is connected to the lower shifting block, a shifting rod of the upper shifting block is positioned in an empty groove of the lead screw unlocking plate, a spring limiting pin is arranged on the limiting rod, and a spring is arranged on the limiting rod. After adopting above-mentioned structure, in the cubical switchboard handcart impels the cabinet, must close the intermediate door earlier, just can shake the handcart from test position to working position to realize closing the door interlock.

However, the structure of the implementation manner is complex, so that the processing cost is increased, and the disassembly and assembly difficulty of staff is also increased.

Disclosure of utility model

The utility model mainly aims to provide a door closing interlocking assembly and a switch cabinet with the same, so as to solve the problems that the structure of a door closing operation interlocking mechanism of the switch cabinet in the prior art is complex and the cost is high.

In order to achieve the above object, according to one aspect of the present utility model, there is provided a door closing interlocking assembly provided on a switch cabinet, the door closing interlocking assembly comprising: the pushing part is telescopically arranged on the cabinet body of the switch cabinet; the shielding structure is movably arranged on the cabinet body and used for shielding or avoiding the interlocking hole positioned on the cabinet body; the transmission structure is rotatably arranged on the cabinet body and is provided with at least two transmission parts, the at least two transmission parts are arranged at intervals around the pivot axis of the transmission structure, at least one transmission part is movably connected with the pushing part, and at least one transmission part is movably connected with the shielding structure; when the pushing part is pushed to move towards the inner side of the switch cabinet through the cabinet door of the switch cabinet, the pushing part drives the transmission part connected with the pushing part to rotate towards one side away from the interlocking hole, so that the transmission part connected with the shielding structure drives the shielding structure to move to the avoidance interlocking hole.

Further, the at least two transmission parts include: the first transmission part is movably connected with the pushing part; the second transmission part is movably connected with the shielding structure and is positioned at one side of the first transmission part; wherein, door interlock subassembly still includes: and the elastic structure is connected with the second transmission part and is used for applying elastic resetting force rotating towards one side of the interlocking hole to the second transmission part.

Further, the first transmission part is provided with a first kidney-shaped hole, the pushing part is provided with a first bulge, and the first bulge stretches into the first kidney-shaped hole to slide along the extending direction of the first kidney-shaped hole; and/or the second transmission part is provided with a second waist-shaped hole, the shielding structure is provided with a second bulge, and the second bulge stretches into the second waist-shaped hole to slide along the extending direction of the second waist-shaped hole.

Further, the first kidney-shaped hole extends along the radial direction of a preset circle formed by taking the pivot axis as the circle center; and/or the second kidney-shaped hole extends along the radial direction of a preset circle formed by taking the pivot axis as the center of a circle.

Further, the transmission structure is a triangular plate, one corner of the triangular plate is provided with a pivot axis, and the other two corners of the triangular plate are respectively a first transmission part and a second transmission part.

Further, the door closing interlock assembly further comprises: the guide structure is arranged on the cabinet body and is provided with a guide hole, the pushing part is rod-shaped and penetrates through the guide hole, and the extending direction of the guide hole is consistent with the extending direction of the pushing part.

Further, the pushing part is of a rod-shaped structure, and the end face of the rod-shaped structure, facing one end of the cabinet door, is of a spherical surface.

Further, the door closing interlock assembly further comprises: the mounting seat is arranged on the cabinet body, and the transmission structure is rotatably arranged on the mounting seat so as to be mounted on the cabinet body; wherein the mounting seat is located at one side of the pushing part and the shielding structure.

Further, the door closing interlock assembly further comprises: and the limiting structure is sleeved outside the pushing part and is positioned at one end of the pushing part far away from the cabinet door, and the limiting structure is used for limiting the stop with the guide structure.

According to another aspect of the present utility model, there is provided a switch cabinet including a cabinet body, a cabinet door and a door closing interlocking assembly, the cabinet door being rotatably disposed on the cabinet body, the door closing interlocking assembly being disposed on the cabinet body; the door closing interlocking assembly is the door closing interlocking assembly.

By applying the technical scheme of the utility model, the door closing interlocking assembly is arranged on the switch cabinet and comprises a pushing part, a shielding structure and a transmission structure, wherein the pushing part is telescopically arranged on the cabinet body of the switch cabinet, and the shielding structure is arranged on the cabinet body in a lifting manner so as to be used for shielding or avoiding an interlocking hole positioned on the cabinet body. The transmission knot is rotatably arranged on the cabinet body, the transmission structure is provided with at least two transmission parts, the at least two transmission parts are arranged around the pivot axis of the transmission structure, at least one transmission part is movably connected with the pushing part, and at least one transmission part is movably connected with the shielding structure. Therefore, unlocking of the circuit breaker cannot be achieved without the door of the cabinet, when a worker needs to operate the circuit breaker, the cabinet door through the switch cabinet pushes the pushing part to move towards the inner side of the switch cabinet, the pushing part drives the transmission part connected with the pushing part to rotate towards one side away from the interlocking hole, so that the transmission part connected with the shielding structure drives the shielding structure to move downwards to avoid the interlocking hole, and the circuit breaker can be operated at the moment. Therefore, the cabinet door must be closed, so that the operator can operate the circuit breaker.

Compared with the prior art that the structure of the door closing operation interlocking mechanism of the switch cabinet is complex, the door closing interlocking assembly can drive the shielding structure to move downwards to avoid the interlocking hole only by pushing the pushing part to move towards the inner side of the cabinet body through the cabinet door, so that the problems that the structure of the door closing operation interlocking mechanism of the switch cabinet is complex and the cost is high in the prior art are solved, and the processing cost and the processing difficulty of the door closing interlocking assembly are reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

fig. 1 shows a front view of an embodiment of a switchgear cabinet according to the utility model, with the interlocking hole blocked by a blocking structure;

fig. 2 shows an enlarged schematic view at a of the switchgear cabinet of fig. 1;

FIG. 3 shows a front view of an embodiment of a switchgear cabinet according to the utility model with the shielding structure clear of the interlocking aperture;

Fig. 4 shows an enlarged schematic view of the switch cabinet of fig. 3 at B;

Fig. 5 shows a front view of a transmission structure of an embodiment of a door closing interlocking assembly according to the present utility model.

Wherein the above figures include the following reference numerals:

10. A switch cabinet; 11. a cabinet body; 111. an interlocking hole; 12. a cabinet door; 20. a pushing part; 21. a first protrusion; 22. a second protrusion; 30. a transmission structure; 31. a transmission part; 311. a first transmission part; 312. a second transmission part; 313. a first kidney-shaped aperture; 314. a second kidney-shaped aperture; 40. an elastic structure; 50. a guide structure; 60. a mounting base; 70. a limit structure; 80. and a shielding structure.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used generally with respect to the orientation shown in the drawings or to the vertical, vertical or gravitational orientation; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

In order to solve the problems that a structure of a door closing operation interlocking mechanism of a switch cabinet in the prior art is complex and cost is high, the application provides a door closing interlocking assembly and the switch cabinet with the door closing interlocking assembly.

As shown in fig. 1 to 5, a door closing interlocking assembly is provided on the switch cabinet 10, and the door closing interlocking assembly includes a pushing part 20, a shielding structure 80, and a transmission structure 30. The pushing portion 20 is telescopically disposed on the cabinet 11 of the switch cabinet 10, and the shielding structure 80 is movably disposed on the cabinet 11 for shielding or avoiding the interlocking hole 111 on the cabinet 11. The transmission structure 30 is rotatably disposed on the cabinet 11, the transmission structure 30 has at least two transmission portions 31, the at least two transmission portions 31 are spaced around a pivot axis of the transmission structure 30, at least one transmission portion 31 is movably connected with the pushing portion 20, and at least one transmission portion 31 is movably connected with the shielding structure 80. When the pushing portion 20 is pushed to move towards the inner side of the switch cabinet 10 by the cabinet door 12 of the switch cabinet 10, the pushing portion 20 drives the transmission portion 31 connected with the pushing portion to rotate towards one side away from the interlocking hole 111, so that the transmission portion 31 connected with the shielding structure 80 drives the shielding structure 80 to move to the avoidance interlocking hole 111.

By applying the technical scheme of the embodiment, unlocking of the circuit breaker cannot be achieved regardless of the cabinet door 12, when a worker needs to operate the circuit breaker, the cabinet door 12 of the switch cabinet 10 pushes the pushing portion 20 to move towards the inner side of the switch cabinet 10, and at the moment, the pushing portion 20 drives the transmission portion 31 connected with the pushing portion to rotate towards the side away from the interlocking hole 111, so that the transmission portion 31 connected with the shielding structure 80 drives the shielding structure 80 to move downwards to avoid the interlocking hole 111, and the circuit breaker can be operated at the moment. Therefore, the cabinet door 12 must be closed so that the operator can operate the circuit breaker.

Compared with the structure of the door closing operation interlocking mechanism of the switch cabinet in the prior art, the door closing interlocking assembly in the embodiment only needs to push the pushing part 20 to move towards the inner side of the cabinet body 11 through the cabinet door 12, and can drive the shielding structure 80 to move downwards so as to avoid the interlocking hole 111, so that the problems that the structure of the door closing operation interlocking mechanism of the switch cabinet in the prior art is complex and the cost is high are solved, and the processing cost and the processing difficulty of the door closing interlocking assembly are reduced.

In this embodiment, the shielding structure 80 is disposed on the cabinet 11 in a liftable manner.

In other embodiments not shown in the drawings, the shielding structure is movably arranged on the cabinet and the moving direction is horizontal. Like this, when the transmission structure is located the upper and lower board of the cabinet body and the shielding structure that corresponds is the zigzag, the one end and the transmission portion of zigzag are connected, and the other end and the another transmission portion of zigzag are connected, and when the transmission portion takes place to rotate, the shielding structure of zigzag can take place to control the removal to realize the shielding to interlocking hole.

As shown in fig. 2, 4 and 5, the at least two transmission parts 31 include a first transmission part 311 and a second transmission part 312. The first transmission part 311 is movably connected with the pushing part 20, and the second transmission part 312 is movably connected with the shielding structure 80 and is positioned at one side of the first transmission part 311. The door closing interlocking assembly further comprises an elastic structure 40, wherein the elastic structure 40 is connected with the second transmission part 312, and is used for applying an elastic restoring force to the second transmission part 312, wherein the elastic restoring force rotates towards one side of the interlocking hole 111. Like this, after the staff closes cabinet door 12, elastic structure 40 is in by tensile state, after the staff opens cabinet door 12, elastic structure 40 resumes elastic deformation to drive second drive portion 312 and rotate towards interlocking hole 111 one side, so that shelter from structure 80 upward motion until shelter from interlocking hole 111, if not closing cabinet door 12 then can not operate the circuit breaker, not only realized the automatic re-setting of transmission structure 30, also further promoted the safety in utilization of circuit breaker.

In the present embodiment, the second transmission portion 312 is located above the first transmission portion 311.

Specifically, when the operator needs to operate the circuit breaker, the pushing portion 20 is pushed to move towards the inner side of the switch cabinet 10 by the cabinet door 12 of the switch cabinet 10, at this time, the pushing portion 20 drives the first transmission portion 311 to rotate towards the side away from the interlocking hole 111, so that the second transmission portion 312 connected with the shielding structure 80 drives the shielding structure 80 to move downwards to avoid the interlocking hole 111, at this time, the elastic structure 40 is in a stretched state, and the operator can operate the circuit breaker; after the operator opens the cabinet door 12, the elastic structure 40 recovers the elastic deformation to drive the second transmission portion 312 to rotate towards the side of the locking hole 111, so that the shielding structure 80 moves upwards until the locking hole 111 is shielded, and at this time, the circuit breaker cannot be operated without closing the cabinet door 12.

Alternatively, the resilient structure 40 is a spring.

Optionally, the first transmission part 311 has a first kidney-shaped hole 313, the pushing part 20 is provided with a first protrusion 21, and the first protrusion 21 extends into the first kidney-shaped hole 313 to slide along the extending direction of the first kidney-shaped hole 313; and/or, the second transmission part 312 has a second kidney-shaped hole 314, and the shielding structure 80 is provided with a second protrusion 22, and the second protrusion 22 extends into the second kidney-shaped hole 314 to slide along the extending direction of the second kidney-shaped hole 314. Thus, on the one hand, the above arrangement ensures that the transmission part 31 can be movably connected with the pushing part 20 or the shielding structure 80, so that the connection stability between the three parts is improved, and the unlocking of the circuit breaker can be realized only by closing the cabinet door 12 without regard to the cabinet door 12.

Specifically, during the rotation of the transmission structure 30 about the pivot axis thereof, the first protrusion 21 may slide along the extending direction of the first kidney-shaped hole 313, and the second protrusion 22 may slide along the extending direction of the second kidney-shaped hole 314, so as to drive the shielding structure 80 to move downward through the transmission structure 30 to avoid the locking hole 111.

Optionally, the first kidney-shaped hole 313 extends in a radial direction of a preset circle formed around the pivot axis; and/or the second kidney-shaped aperture 314 extends radially of a predetermined circle formed about the pivot axis. In this way, the above arrangement makes the structures of the first kidney-shaped hole 313 and the second kidney-shaped hole 314 simpler, and is easy to process and implement, thereby reducing the processing cost of the transmission structure 30; on the other hand, the telescopic movement of the pushing part 20 can be ensured to drive the shielding structure 80 to perform lifting movement through the transmission structure 30 so as to shield or avoid the interlocking hole 111, and unlocking or locking of the circuit breaker is realized.

In the present embodiment, the transmission structure 30 is a triangular plate, one corner of the triangular plate has a pivot axis, and the other two corners of the triangular plate are a first transmission portion 311 and a second transmission portion 312, respectively. Like this, above-mentioned setting makes the structure of transmission structure 30 simpler, easily processes, realizes, has reduced the processing cost and the processing degree of difficulty of transmission structure 30. Meanwhile, the telescopic movement of the pushing part 20 can be ensured to drive the shielding structure 80 to perform lifting movement through the transmission structure 30 so as to shield or avoid the interlocking hole 111, so that unlocking or locking of the circuit breaker is realized, and further, the operation reliability of the door closing interlocking assembly is improved.

As shown in fig. 1 to 4, the door closing interlocking assembly further includes a guide structure 50. The guiding structure 50 is disposed on the cabinet 11 and has a guiding hole, the pushing portion 20 is rod-shaped and is inserted into the guiding hole, and an extending direction of the guiding hole is consistent with a telescoping direction of the pushing portion 20. In this way, the guiding hole is used for guiding the pushing portion 20, so as to ensure that the pushing portion 20 always performs telescopic movement along the extending direction thereof, and further ensure that the shielding structure 80 performs lifting movement.

Specifically, the guide structure 50 has a cylindrical shape.

Alternatively, the pushing portion 20 has a rod-like structure, and an end surface of the rod-like structure facing one end of the cabinet door 12 has a spherical surface. Thus, the above arrangement of the spherical surface reduces the impact force of the cabinet door 12 on the pushing part 20, thereby avoiding the structural damage of the cabinet door 12 and the pushing part 20 to influence the operation reliability and the service life of the door closing interlocking assembly.

As shown in fig. 1-4, the door closing interlock assembly further includes a mounting seat 60. The mounting base 60 is disposed on the cabinet 11, and the transmission structure 30 is rotatably disposed on the mounting base 60, so as to mount the transmission structure 30 on the cabinet 11. Wherein the mounting seat 60 is located at one side of the pushing portion 20 and the shielding structure 80. Thus, the transmission structure 30 and the cabinet body 11 are easier and simpler to assemble and disassemble due to the arrangement, and the assembling and disassembling difficulty is reduced; on the other hand, ensures that the transmission structure 30 can rotate relative to the cabinet 11. Meanwhile, the arrangement makes the structural layout of each part on the cabinet 11 more reasonable and compact, and improves the space utilization rate of the cabinet 11.

As shown in fig. 1-4, the door closing interlock assembly further includes a limit structure 70. The limiting structure 70 is sleeved outside the pushing portion 20 and located at one end of the pushing portion 20 away from the cabinet door 12, and the limiting structure 70 is used for limiting and stopping with the guiding structure 50. In this way, during the process of expanding and contracting the pushing portion 20, the limiting structure 70 is used for limiting and cooperating with the guiding structure 50, so as to prevent the pushing portion 20 from being separated from the guiding structure 50 and affecting the guiding reliability of the guiding structure 50.

Specifically, the limiting structure 70 is in threaded connection with the pushing part 20, so that the two components are easy and convenient to assemble and disassemble, and the operation difficulty of staff is reduced.

Specifically, the working principle of the door closing interlocking assembly is as follows:

The interlocking hole 111 on the cabinet 11 is utilized to ensure that the unlocking of the circuit breaker cannot be realized without closing the cabinet door 12 when the circuit breaker is at the experimental position. When the cabinet door 12 is closed, the cabinet door 12 presses the pushing part 20 to move into the cabinet body 11, and drives the transmission structure 30 to move in the anticlockwise direction, so that the shielding structure 80 connected with the transmission structure 30 moves downwards and opens (avoids) the locking hole 111, and the handcart side can be unlocked. Under the action of the elastic force of the elastic structure 40, the interlocking hole 111 is blocked by the shielding structure 80 when the circuit breaker is kept at the experimental position, and the door 12 must be closed at this time to realize unlocking, thereby realizing door closing operation.

As shown in fig. 1 to 4, the present application further provides a switch cabinet, which includes a cabinet body 11, a cabinet door 12, and a door closing interlocking assembly, wherein the cabinet door 12 is disposed on the cabinet body 11 in a reversible manner, and the door closing interlocking assembly is disposed on the cabinet body 11. The door closing interlocking assembly is the door closing interlocking assembly.

From the above description, it can be seen that the above embodiments of the present utility model achieve the following technical effects:

The door closing interlocking assembly is arranged on the switch cabinet and comprises a pushing part, a shielding structure and a transmission structure, wherein the pushing part is telescopically arranged on the cabinet body of the switch cabinet, and the shielding structure is arranged on the cabinet body in a lifting manner so as to be used for shielding or avoiding an interlocking hole positioned on the cabinet body. The transmission knot is rotatably arranged on the cabinet body, the transmission structure is provided with at least two transmission parts, the at least two transmission parts are arranged around the pivot axis of the transmission structure, at least one transmission part is movably connected with the pushing part, and at least one transmission part is movably connected with the shielding structure. Therefore, unlocking of the circuit breaker cannot be achieved without the door of the cabinet, when a worker needs to operate the circuit breaker, the cabinet door through the switch cabinet pushes the pushing part to move towards the inner side of the switch cabinet, the pushing part drives the transmission part connected with the pushing part to rotate towards one side away from the interlocking hole, so that the transmission part connected with the shielding structure drives the shielding structure to move downwards to avoid the interlocking hole, and the circuit breaker can be operated at the moment. Therefore, the cabinet door must be closed, so that the operator can operate the circuit breaker.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A door closing interlock assembly provided on a switch cabinet (10), the door closing interlock assembly comprising:

A pushing part (20) which is telescopically arranged on a cabinet body (11) of the switch cabinet (10);

A shielding structure (80), wherein the shielding structure (80) is movably arranged on the cabinet body (11) and is used for shielding or avoiding an interlocking hole (111) positioned on the cabinet body (11);

A transmission structure (30) rotatably arranged on the cabinet body (11), wherein the transmission structure (30) is provided with at least two transmission parts (31), the at least two transmission parts (31) are arranged around the pivot axis of the transmission structure (30) at intervals, at least one transmission part (31) is movably connected with the pushing part (20), and at least one transmission part (31) is movably connected with the shielding structure (80);

When the pushing part (20) is pushed to move towards the inner side of the switch cabinet (10) through the cabinet door (12) of the switch cabinet (10), the pushing part (20) drives the transmission part (31) connected with the pushing part to rotate towards one side away from the interlocking hole (111), so that the transmission part (31) connected with the shielding structure (80) drives the shielding structure (80) to move to avoid the interlocking hole (111).

2. Door closing interlock assembly according to claim 1, characterized in that at least two transmission parts (31) comprise:

A first transmission part (311) movably connected with the pushing part (20);

A second transmission part (312) movably connected with the shielding structure (80) and positioned at one side of the first transmission part (311);

wherein, the door closing interlocking assembly further comprises:

And the elastic structure (40) is connected with the second transmission part (312) and is used for applying an elastic restoring force to the second transmission part (312) and rotating towards one side of the interlocking hole (111).

3. The door closing interlock assembly of claim 2 wherein,

The first transmission part (311) is provided with a first kidney-shaped hole (313), the pushing part (20) is provided with a first bulge (21), and the first bulge (21) stretches into the first kidney-shaped hole (313) to slide along the extending direction of the first kidney-shaped hole (313); and/or the number of the groups of groups,

The second transmission part (312) is provided with a second kidney-shaped hole (314), the shielding structure (80) is provided with a second bulge (22), and the second bulge (22) stretches into the second kidney-shaped hole (314) to slide along the extending direction of the second kidney-shaped hole (314).

4. The door closing interlock assembly according to claim 1, wherein the first kidney-shaped aperture (313) extends in a radial direction of a predetermined circle formed about the pivot axis; and/or the second kidney-shaped hole (314) extends along the radial direction of a preset circle formed by taking the pivot axis as the center of the circle.

5. The door closing interlock assembly according to claim 2, wherein the transmission structure (30) is a triangular plate having the pivot axis at one corner of the triangular plate, the other two corners of the triangular plate being the first transmission portion (311) and the second transmission portion (312), respectively.

6. The door closing interlock assembly of claim 1 further comprising:

The guide structure (50) is arranged on the cabinet body (11) and is provided with a guide hole, the pushing part (20) is rod-shaped and penetrates through the guide hole, and the extending direction of the guide hole is consistent with the extending direction of the pushing part (20).

7. Door closing interlock assembly according to claim 1, characterized in that the pushing part (20) is a rod-like structure, the end face of which facing the end of the cabinet door (12) is a spherical face.

8. The door closing interlock assembly of claim 1 further comprising:

The mounting seat (60) is arranged on the cabinet body (11), and the transmission structure (30) is rotatably arranged on the mounting seat (60) so as to mount the transmission structure (30) on the cabinet body (11);

wherein the mounting seat (60) is located at one side of the pushing part (20) and the shielding structure (80).

9. The door closing interlock assembly of claim 6 further comprising:

The limiting structure (70) is sleeved outside the pushing part (20) and is located at one end, far away from the cabinet door (12), of the pushing part (20), and the limiting structure (70) is used for limiting and stopping the guide structure (50).

10. The switch cabinet is characterized by comprising a cabinet body (11), a cabinet door (12) and a door closing interlocking assembly, wherein the cabinet door (12) is arranged on the cabinet body (11) in a turnover manner, and the door closing interlocking assembly is arranged on the cabinet body (11); wherein the door closing interlock assembly is the door closing interlock assembly of any one of claims 1 to 9.