Interlocking device between switch cabinets

By designing interlocking components and positioning components in the switch cabinet, interlocking of different cabinet doors is achieved, solving the problem of irregular cabinet door operation in the prior art and improving operational safety and convenience.

CN223347651UActive Publication Date: 2025-09-16SHANGHAI WEITONG ELECTRICAL APPLIANCES COMPLETE SETAB OF EQUIP
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Patent Information

Application Number
CN202422522061.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-18
Publication Date
2025-09-16
Estimated Expiration
2034-10-18

AI Technical Summary

Technical Problem

The existing switch cabinet door locking device is a single-door single-lock device, lacking an interlocking structure, which makes it difficult for operators to operate in a standardized manner and is prone to incorrect or missed closings. Especially when the cabinet bodies are highly correlated, it is difficult to meet safety requirements.

Method used

An interlocking device for switch cabinets is designed. Through an interlocking assembly consisting of a T-shaped mounting frame, an L-shaped connecting frame and a connecting frame, the interlocking rod is connected to the cabinet door to achieve interlocking of the first cabinet door and the second cabinet door, ensuring that the first cabinet door can be opened only after the second cabinet door is opened. The positioning spring and the connecting slide are combined to improve stability and convenience.

Benefits of technology

The interlocking of different cabinet doors is realized to prevent misoperation, with simple structure and convenient operation, which improves the standardization and safety of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an interlocking device between switch cabinets, which relates to the technical field of switch cabinet equipment and comprises a cabinet body, a first cabinet door is arranged on one side of the cabinet body, a second cabinet door is arranged on the other side of the cabinet body, and an interlocking assembly is arranged in the middle of the cabinet body and comprises a T-shaped mounting frame. An L-shaped connecting frame and a connecting frame are correspondingly arranged on the two sides of the T-shaped mounting frame, a Z-shaped sliding clamping groove and an interlocking rod are arranged in the middle of the L-shaped connecting frame, a supplementing rod and an anti-skid rubber ring are correspondingly arranged at the two ends of the interlocking rod, and a positioning assembly is arranged outside one end of the interlocking rod. Interlocking of the first cabinet door and the second cabinet door is achieved through the arranged interlocking assembly, the L-shaped connecting frame, the T-shaped mounting frame and the connecting frame are connected through the arranged interlocking rod, so that interlocking of the first cabinet door and the second cabinet door is achieved, and the device is used in the sequence that the second cabinet door is opened firstly and then the first cabinet door is opened. And the condition of mistaken touch is prevented.
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Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinet equipment, in particular to an interlocking device between switch cabinets. Background Art

[0002] Armored switchgear is usually installed in high-voltage dedicated distribution rooms. Due to the high voltage level, in order to ensure the safe operation of people and the power grid, it is necessary to technically eliminate human error in operation and prevent the occurrence of electrical error operation accidents. The switchgear must compulsorily meet the five protection requirements.

[0003] Switchgear equipment usually includes multiple cabinet bodies. The existing switchgear door locking device is usually a single-door single-lock device. There is rarely an interlocking structure between different cabinet doors. Operators need to operate each door independently during use, which places high demands on the operator's operating standards. It is inevitable that wrong closing or missed closing will occur. In particular, some cabinets in the switchgear equipment are highly correlated, and there are requirements for the order in which the cabinet doors are closed. Therefore, the single-door single-lock method is difficult to meet the existing operating requirements. Utility Model Content

[0004] The main purpose of the utility model is to provide an interlocking device between switch cabinets, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A switch cabinet interlocking device comprises a cabinet body, a first cabinet door is provided on one side of the cabinet body, a second cabinet door is provided on the other side of the cabinet body, and an interlocking assembly is provided in the middle of the cabinet body;

[0007] The interlocking assembly includes a T-shaped mounting frame, an L-shaped connecting frame is provided on one side of the T-shaped mounting frame, and a connecting frame is provided on the other side of the T-shaped mounting frame, a Z-shaped sliding slot is provided in the middle of the L-shaped connecting frame, and an interlocking rod is provided inside the Z-shaped sliding slot, a supplementary rod is provided at one end of the interlocking rod, and an anti-slip rubber ring is provided at the other end of the interlocking rod, a limited side plate is provided on the side of the supplementary rod, and an L-shaped card plate is provided in the middle of the anti-slip rubber ring, a plug-in plate is provided on the side of the L-shaped card plate, and a positioning assembly is provided on the outside of one end of the interlocking rod;

[0008] The positioning assembly includes a connecting slide, a limiting groove is provided in the middle of the connecting slide, a protrusion is provided in the middle of the limiting groove, a positioning spring is provided on the side of the connecting slide, and a positioning plate is provided at one end of the positioning spring.

[0009] Preferably, the side of the T-shaped mounting frame is connected to the middle of the cabinet body by bolts, and the two sides of the T-shaped mounting frame are respectively in contact with the L-shaped connecting frame and the connecting frame, the side of the L-shaped connecting frame is connected to the first cabinet door by bolts, and the side of the connecting frame is connected to the second cabinet door by bolts, and the connecting frame and the L-shaped connecting frame are symmetrically distributed on both sides of the T-shaped mounting frame.

[0010] Preferably, a Z-shaped sliding slot is provided in the middle of the side surface of the L-shaped connecting frame. There are multiple Z-shaped sliding slots, which are horizontally distributed in the middle of the side surface of the L-shaped connecting frame, the middle of the T-shaped mounting frame and the middle of the side surface of the connecting frame. An interlocking rod is slidably connected to the middle of the Z-shaped sliding slot, and the interlocking rod passes through the L-shaped connecting frame, the T-shaped mounting frame and the connecting frame. There are two interlocking rods, which are horizontally distributed at the top and bottom of the L-shaped connecting frame.

[0011] Preferably, the interlocking rod is fixedly connected to one end of the L-shaped connecting frame with a supplementary rod, and the supplementary rod is in contact with the inner wall of the Z-shaped sliding slot in the middle of the L-shaped connecting frame. The side of the supplementary rod is connected with a limiting side plate through a threaded connection, and the limiting side plate is located on the side of the L-shaped connecting frame away from the T-shaped mounting frame, and the limiting side plate is arranged corresponding to the supplementary rod.

[0012] Preferably, a non-slip rubber ring is fixedly connected to the outer wall of one end of the interlocking rod close to the connecting frame, and the outer wall of the non-slip rubber ring contacts the inner wall of the Z-shaped sliding slot in the middle of the connecting frame. A groove is provided at the end of the non-slip rubber ring away from the Z-shaped sliding slot, and the groove is arranged adjacent to the Z-shaped sliding slot, and an L-shaped card plate is clamped in the middle of the groove.

[0013] Preferably, a slot is provided at one end of the L-shaped card plate close to the groove, and the inner wall of the slot contacts the outer wall of the interlocking rod, the side outer wall of the L-shaped card plate contacts the inner walls on both sides of the groove, the side of the L-shaped card plate away from the slot contacts the side of the connecting frame, and a plug-in board is fixedly connected to the inner wall of the side of the L-shaped card plate away from the slot, a plug-in slot is provided in the middle of the side of the connecting frame away from the second cabinet door, and the plug-in board is plugged into the inside of the plug-in slot.

[0014] Preferably, a protrusion is fixedly connected to the outer wall of the interlocking rod, and the T-shaped mounting bracket of the protrusion is close to the side of the connecting bracket, the outer sleeve of the protrusion is provided with a connecting slide, and the side of the connecting slide is in contact with the side of the T-shaped mounting bracket close to the connecting bracket, a limiting groove is provided in the middle of the connecting slide, and the protrusion is clamped in the inside of the limiting groove, and the connecting slide is fixedly connected to a positioning spring on the side away from the T-shaped mounting bracket, and the positioning spring is fixedly connected to a positioning plate at one end away from the connecting slide, the positioning plate is fixedly connected to the interlocking rod, and the connecting slide is slidably connected to the interlocking rod, the positioning plate is located at one end of the interlocking rod close to the connecting bracket, and the positioning spring is sleeved on the outside of the interlocking rod.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] 1. The interlocking assembly is provided to realize the interlocking of the first cabinet door and the second cabinet door. The interlocking rod is provided to connect the L-shaped connecting frame, the T-shaped mounting frame and the connecting frame, thereby realizing the interlocking of the first cabinet door and the second cabinet door. The device can be used in the order of opening the second cabinet door first and then the first cabinet door, thereby preventing accidental touch. The interlocking assembly has a simple structure and is easy to operate.

[0017] 2. The positioning spring is provided to realize the positioning connection between the interlocking rod and the positioning plate, further improving the stability of the interlocking rod, and the connecting slide is provided to be slidably connected to the interlocking rod, thereby facilitating the movement of the interlocking rod, reducing the impact, and improving the convenience of use of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a first-perspective stereoscopic view of the entire device of the utility model;

[0019] Figure 2 This is a second perspective stereogram of the entire device of the utility model;

[0020] Figure 3 It is a structural diagram of the interlocking assembly of the utility model;

[0021] Figure 4 This is a structural diagram of the side surface of the connecting frame of the utility model;

[0022] Figure 5 This utility model Figure 3 Schematic diagram of the structure enlarged at point A in the middle.

[0023] In the figure: 1. cabinet body; 2. first cabinet door; 3. second cabinet door; 4. interlocking assembly; 5. T-shaped mounting bracket; 6. L-shaped connecting bracket; 7. Z-shaped sliding slot; 8. connecting bracket; 9. interlocking rod; 10. supplementary rod; 11. limiting side plate; 12. anti-slip rubber ring; 13. groove; 14. L-shaped card plate; 15. slot; 16. plug-in board; 17. plug-in slot; 18. positioning assembly; 19. connecting slide; 20. protrusion; 21. limiting slot; 22. positioning spring; 23. positioning plate. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0025] See also Figure 1-Figure 5As shown, an interlocking device between switch cabinets includes a cabinet body 1, a first cabinet door 2 is provided on one side of the cabinet body 1, a second cabinet door 3 is provided on the other side of the cabinet body 1, and an interlocking assembly 4 is provided in the middle of the cabinet body 1;

[0026] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 4As shown, the interlocking assembly 4 includes a T-shaped mounting frame 5, an L-shaped connecting frame 6 is provided on one side of the T-shaped mounting frame 5, and a connecting frame 8 is provided on the other side of the T-shaped mounting frame 5, a Z-shaped sliding slot 7 is provided in the middle of the L-shaped connecting frame 6, and an interlocking rod 9 is provided inside the Z-shaped sliding slot 7, one end of the interlocking rod 9 is provided with a supplementary rod 10, and the other end of the interlocking rod 9 is provided with an anti-slip rubber ring 12, a limited side plate 11 is provided on the side of the supplementary rod 10, and an L-shaped card plate 14 is provided in the middle of the anti-slip rubber ring 12, a plug-in board 16 is provided on the side of the L-shaped card plate 14, a positioning assembly 18 is provided on the outside of one end of the interlocking rod 9, the side of the T-shaped mounting frame 5 is connected to the middle of the cabinet 1 by bolts, and the two sides of the T-shaped mounting frame 5 are respectively connected to the L-shaped connecting frame 6 The L-shaped connecting frame 6 is in contact with the connecting frame 8, and the side of the L-shaped connecting frame 6 is connected to the first cabinet door 2 by bolts, and the side of the connecting frame 8 is connected to the second cabinet door 3 by bolts. The connecting frame 8 and the L-shaped connecting frame 6 are symmetrically distributed on both sides of the T-shaped mounting frame 5. A Z-shaped sliding slot 7 is provided in the middle of the side of the L-shaped connecting frame 6. There are multiple Z-shaped sliding slots 7, which are horizontally distributed in the middle of the side of the L-shaped connecting frame 6, the middle of the T-shaped mounting frame 5 and the middle of the side of the connecting frame 8, and the middle of the Z-shaped sliding slot 7 is slidably connected with an interlocking rod 9, and the interlocking rod 9 passes through the L-shaped connecting frame 6, the T-shaped mounting frame 5 and the connecting frame 8. There are two interlocking rods 9, which are horizontally distributed at the top and bottom of the L-shaped connecting frame 6, and the interlocking rod 9 is fixedly connected to the supplementary rod at one end close to the L-shaped connecting frame 6 10, and the supplementary rod 10 contacts the inner wall of the Z-shaped sliding groove 7 in the middle of the L-shaped connecting frame 6, the side of the supplementary rod 10 is connected to the limiting side plate 11 by a threaded connection, and the limiting side plate 11 is located on the side of the L-shaped connecting frame 6 away from the T-shaped mounting frame 5, the limiting side plate 11 is arranged corresponding to the supplementary rod 10, and the outer wall of the interlocking rod 9 close to the connecting frame 8 is fixedly connected with a non-slip rubber ring 12, and the outer wall of the non-slip rubber ring 12 contacts the inner wall of the Z-shaped sliding groove 7 in the middle of the connecting frame 8, the end of the non-slip rubber ring 12 away from the Z-shaped sliding groove 7 is provided with a groove 13, and the groove 13 is adjacent to the Z-shaped sliding groove 7, the middle of the groove 13 is clamped with an L-shaped card plate 14, and the end of the L-shaped card plate 14 close to the groove 13 is provided with a card groove 15, and the card groove 1 The inner wall of the L-shaped card plate 14 contacts the outer wall of the interlocking rod 9, the side outer wall of the L-shaped card plate 14 contacts the inner walls of both sides of the groove 13, the side of the L-shaped card plate 14 away from the card slot 15 contacts the side of the connecting frame 8, and the inner wall of the L-shaped card plate 14 away from the card slot 15 is fixedly connected with a plug-in plate 16, and a plug-in groove 17 is provided in the middle of the side of the connecting frame 8 away from the second cabinet door 3, and the plug-in plate 16 is plugged into the inside of the plug-in groove 17. The interlocking of the first cabinet door 2 and the second cabinet door 3 is achieved by the provided interlocking component 4, and the L-shaped connecting frame 6, the T-shaped mounting frame 5 and the connecting frame 8 are connected by the provided interlocking rod 9, thereby achieving the interlocking of the first cabinet door 2 and the second cabinet door 3, and the device is used by first opening the second cabinet door 3 and then opening the first cabinet door 2 in the order ofPrevent accidental touch, and the interlocking component 4 has a simple structure and is easy to operate;

[0027] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 As shown, the positioning assembly 18 includes a connecting slide 19, a limiting groove 21 is provided in the middle of the connecting slide 19, and a protrusion 20 is provided in the middle of the limiting groove 21, a positioning spring 22 is provided on the side of the connecting slide 19, and a positioning plate 23 is provided at one end of the positioning spring 22, and a protrusion 20 is fixedly connected to the outer wall of the interlocking rod 9, and the protrusion 20 is close to the side of the T-shaped mounting frame 5 of the connecting frame 8, the outer sleeve of the protrusion 20 is provided with a connecting slide 19, and the side of the connecting slide 19 is in contact with the side of the T-shaped mounting frame 5 close to the connecting frame 8, a limiting groove 21 is provided in the middle of the connecting slide 19, and the protrusion 20 is snapped into the inside of the limiting groove 21, and the connecting slide 19 A positioning spring 22 is fixedly connected to the side away from the T-shaped mounting frame 5, and a positioning plate 23 is fixedly connected to the end of the positioning spring 22 away from the connecting slide 19. The positioning plate 23 is fixedly connected to the interlocking rod 9, and the connecting slide 19 is slidingly connected to the interlocking rod 9. The positioning plate 23 is located at one end of the interlocking rod 9 close to the connecting frame 8. The positioning spring 22 is sleeved on the outside of the interlocking rod 9. The positioning connection between the interlocking rod 9 and the positioning plate 23 is realized by the set positioning spring 22, further ensuring the stability of the use of the ring interlocking rod 9, and the sliding connection with the interlocking rod 9 is facilitated by the set connecting slide 19, thereby facilitating the movement of the interlocking rod 9, reducing the impact, and improving the convenience of use of the device.

[0028] The L-shaped door 2 is locked and the latch 7 is in the middle of the cabinet 1. The latch 7 is locked and the latch 7 is in the middle of the cabinet 1. The latch 7 is locked and the latch 7 is in the middle of the cabinet 1. When the locking lever 10 is unlocked, the locking lever 10 is unlocked, and the locking lever 10 is unlocked, so that the locking lever 10 can be unlocked.

[0029] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A switch cabinet interlocking device, comprising a cabinet body (1), characterized in that: A first cabinet door (2) is provided on one side of the cabinet (1), a second cabinet door (3) is provided on the other side of the cabinet (1), and an interlocking assembly (4) is provided in the middle of the cabinet (1); The interlocking assembly (4) comprises a T-shaped mounting frame (5), an L-shaped connecting frame (6) is provided on one side of the T-shaped mounting frame (5), and a connecting frame (8) is provided on the other side of the T-shaped mounting frame (5), a Z-shaped sliding slot (7) is provided in the middle of the L-shaped connecting frame (6), and an interlocking rod (9) is provided inside the Z-shaped sliding slot (7), a supplementary rod (10) is provided at one end of the interlocking rod (9), and an anti-slip rubber ring (12) is provided at the other end of the interlocking rod (9), a limiting side plate (11) is provided on the side of the supplementary rod (10), and an L-shaped card plate (14) is provided in the middle of the anti-slip rubber ring (12), a plug-in board (16) is provided on the side of the L-shaped card plate (14), and a positioning assembly (18) is provided on the outside of one end of the interlocking rod (9); The positioning assembly (18) comprises a connecting slide (19), a limiting groove (21) is provided in the middle of the connecting slide (19), and a protrusion (20) is provided in the middle of the limiting groove (21), a positioning spring (22) is provided on the side of the connecting slide (19), and a positioning plate (23) is provided at one end of the positioning spring (22).

2. The switchgear interlocking device according to claim 1, characterized in that: The side of the T-shaped mounting frame (5) is connected to the middle of the cabinet body (1) by bolts, and the two sides of the T-shaped mounting frame (5) are respectively in contact with the L-shaped connecting frame (6) and the connecting frame (8), the side of the L-shaped connecting frame (6) is connected to the first cabinet door (2) by bolts, and the side of the connecting frame (8) is connected to the second cabinet door (3) by bolts, and the connecting frame (8) and the L-shaped connecting frame (6) are symmetrically distributed on both sides of the T-shaped mounting frame (5).

3. The switchgear interlocking device according to claim 2, characterized in that: A Z-shaped sliding slot (7) is provided in the middle of the side of the L-shaped connecting frame (6). There are a plurality of Z-shaped sliding slots (7), which are horizontally distributed in the middle of the side of the L-shaped connecting frame (6), the middle of the T-shaped mounting frame (5) and the middle of the side of the connecting frame (8). An interlocking rod (9) is slidably connected in the middle of the Z-shaped sliding slot (7), and the interlocking rod (9) passes through the L-shaped connecting frame (6), the T-shaped mounting frame (5) and the connecting frame (8). There are two interlocking rods (9), which are horizontally distributed at the top and bottom of the L-shaped connecting frame (6).

4. The interlocking device between switch cabinets according to claim 3, characterized in that: The end of the interlocking rod (9) close to the L-shaped connecting frame (6) is fixedly connected to a supplementary rod (10), and the supplementary rod (10) contacts the inner wall of the Z-shaped sliding slot (7) in the middle of the L-shaped connecting frame (6). The side of the supplementary rod (10) is connected to a limiting side plate (11) through a thread, and the limiting side plate (11) is located on the side of the L-shaped connecting frame (6) away from the T-shaped mounting frame (5). The limiting side plate (11) is correspondingly arranged with the supplementary rod (10).

5. The switchgear interlocking device according to claim 4, characterized in that: An anti-skid rubber ring (12) is fixedly connected to the outer wall of one end of the interlocking rod (9) close to the connecting frame (8), and the outer wall of the anti-skid rubber ring (12) contacts the inner wall of the Z-shaped sliding slot (7) in the middle of the connecting frame (8). A groove (13) is provided at one end of the anti-skid rubber ring (12) away from the Z-shaped sliding slot (7), and the groove (13) is adjacent to the Z-shaped sliding slot (7). An L-shaped card plate (14) is clamped in the middle of the groove (13).

6. The interlocking device between switch cabinets according to claim 5, characterized in that: A card slot (15) is provided at one end of the L-shaped card plate (14) close to the groove (13), and the inner wall of the card slot (15) contacts the outer wall of the interlocking rod (9), and the side outer wall of the L-shaped card plate (14) contacts the inner walls of both sides of the groove (13). The side of the L-shaped card plate (14) away from the card slot (15) contacts the side of the connecting frame (8), and a plug-in board (16) is fixedly connected to the inner wall of the side of the L-shaped card plate (14) away from the card slot (15). A plug-in slot (17) is provided in the middle of the side of the connecting frame (8) away from the second cabinet door (3), and the plug-in board (16) is plugged into the inside of the plug-in slot (17).

7. The switchgear interlocking device according to claim 1, characterized in that: A protrusion (20) is fixedly connected to the outer wall of the interlocking rod (9), and the protrusion (20) is on the side of the T-shaped mounting frame (5) close to the connecting frame (8). A connecting slide (19) is sleeved on the outside of the protrusion (20), and the side of the connecting slide (19) is in contact with the side of the T-shaped mounting frame (5) close to the connecting frame (8). A limiting groove (21) is provided in the middle of the connecting slide (19), and the protrusion (20) is clamped in the inside of the limiting groove (21). A positioning spring (22) is fixedly connected to one side of the plate (19) away from the T-shaped mounting frame (5), and a positioning plate (23) is fixedly connected to one end of the positioning spring (22) away from the connecting slide plate (19), the positioning plate (23) is fixedly connected to the interlocking rod (9), and the connecting slide plate (19) is slidably connected to the interlocking rod (9), the positioning plate (23) is located at one end of the interlocking rod (9) close to the connecting frame (8), and the positioning spring (22) is sleeved on the outside of the interlocking rod (9).