Automatic cabinet door lock of transformer substation

By combining a plug-in rod, a locking block, and a limit sleeve, the problem of automatic cabinet door locks in substations rotating autonomously after being opened is solved, achieving stable door limit and improving maintenance convenience.

CN223510742UActive Publication Date: 2025-11-04HENAN QIANBO COMM EQUIP CO LTD
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Patent Information

Application Number
CN202422698777.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-11-04
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

The existing automatic cabinet door locks in substations lack a limit function after being opened, which makes the cabinet door easy to rotate on its own, affecting the convenience of component maintenance operations.

Method used

An automatic cabinet door lock for substations was designed. Through a combination of plug-in rod, locking block, limit sleeve and limit plug, the cabinet door is kept in a limited and fixed position after being opened, preventing it from rotating on its own.

Benefits of technology

This effectively prevents the cabinet door from rotating freely after opening, ensuring the convenience of component maintenance. The counterweight and handle also improve the stability of the limit position and prevent loosening and falling off.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an automatic cabinet door lock for a transformer substation, which is characterized in that the front end of a cabinet body is open, the cabinet body is hinged with a cabinet door, one side of the front end of the cabinet body is provided with a first connecting seat, and the front end of the first connecting seat is provided with a first plug-in cylinder, a second connecting seat, a second plug-in cylinder, a plug-in rod, a through hole, a clamping block, a plug-in space, a lock body, an extension plug-in cylinder and a U-shaped limiting sleeve; a limiting insertion rod capable of being connected with the through hole in an inserted mode is further arranged on the limiting sleeve in an inserted mode. According to the automatic cabinet door lock of the transformer substation, the basic requirement for locking the connecting position of the cabinet body and the cabinet door can be met, the cabinet door can be limited after a user opens the lock body and the cabinet door, the situation that the cabinet door easily and autonomously rotates is avoided, and the user experience is improved. Therefore, the maintenance and other operations of the user on the components in the cabinet body are prevented from being influenced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of door lock, especially relates to a transformer substation automatic cabinet door lock. BACKGROUND

[0002] In order to avoid irrelevant personnel to open the cabinet door of transformer substation automatic cabinet, the door lock is usually arranged between the cabinet and the cabinet door.The existing transformer substation automatic cabinet door lock can meet the basic demand of locking the connecting part of the cabinet and the cabinet door, but the cabinet and the cabinet door are usually hinged, so after opening the door lock and then opening the cabinet door, the door lock lacks the limiting function of the cabinet door, so the cabinet door is easy to rotate relative to the cabinet after being touched by people, which makes people inconvenient to repair the components in the cabinet, and cannot fully meet the use requirement of people.

[0003] For example, the patent application with the publication number CN117345060A discloses a transformer substation automatic cabinet door lock, and in the technical scheme of the patent application, a through slot is formed on one side of the transformer substation automatic cabinet, a protective door is installed in the through slot, one side of the protective door is hinged to one side of the inner wall of the through slot, and the other side of the through slot is installed with a linkage sealing door lock device on one side of the transformer substation automatic cabinet, since the linkage sealing door lock device is in the open state, and the cabinet door is opened, the cabinet door cannot be limited, so the cabinet door is easy to rotate under the action of external force, the opening angle and the opening state of the cabinet door are changed, the user cannot continue to conveniently repair the components in the cabinet, and the use of people is greatly inconvenient. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a transformer substation automatic cabinet door lock, which can not only meet the basic demand of locking the connecting part of the cabinet and the cabinet door, but also limit the cabinet door after opening the lock body and the cabinet door, avoid the cabinet door from rotating automatically, and avoid affecting the user to repair the components in the cabinet.

[0005] The utility model provides a transformer substation automatic cabinet door lock, the front end opening of cabinet body, the hinged setting of cabinet body has the cabinet door, the side of cabinet body front end is provided with first connecting seat, the front end of first connecting seat is provided with first inserting tube, be provided with the second connecting seat of with first connecting seat adaptation on the cabinet door, the front end of second connecting seat is provided with the second inserting tube of with first inserting tube adaptation, the inserting rod that can be connected with first inserting tube is inserted in the second inserting tube, one end of inserting rod is provided with through -hole, the other end of inserting rod is provided with the card fender, still leave the inserting interval between the other end of card fender and inserting rod, the lock body is provided with in the through -hole, the lower end of the side of cabinet body away from first inserting tube is provided with the extension inserting tube of with the one end of inserting rod away from through -hole adaptation, the inside wall of cabinet door is provided with the U type's limit cover of with the one end of inserting rod close to through -hole sleeve connection, still be provided with the limit inserting rod of with through -hole inserting connection on the limit cover.

[0006] As a further improvement of the utility model, the card fender and the inserting rod are welded and fixed.

[0007] As a further improvement of the utility model, the card fender is further provided with a moving handle.

[0008] As a further improvement of the utility model, the second inserting tube is further provided with a hanging ring matched with the lock body.

[0009] As a further improvement of the utility model, the upper end of the limit inserting rod is further provided with a counterweight.

[0010] As a further improvement of the utility model, the upper end of the limit inserting rod is further provided with a handle.

[0011] As a further improvement of the utility model, the cabinet door is further provided with a protective pad at a position corresponding to the padlock.

[0012] Compared with the prior art, the utility model has the beneficial effects as follows:

[0013] When the user closes the cabinet door and fixes the cabinet door and the cabinet door together by the cabinet door clamping, the plug rod is inserted through the first plug barrel and the second plug barrel, the through hole is located outside the second plug hole, the clamping block is located outside the first plug barrel, then the lock body is inserted through the through hole and locked, so that the cabinet and the cabinet door in the closed state are connected and locked; when the cabinet door is opened, the plug rod is inserted and connected with the extension plug barrel, and the through hole is located inside the limiting sleeve, then the limiting plug rod is inserted through the limiting sleeve and inserted and fixed with the through hole, so that the cabinet door in the open state is limited and fixed, and the cabinet door in the open state is prevented from rotating and even closing automatically; by moving the handle, the user can conveniently move the plug rod and conveniently realize or release the fixing of the connection between the first plug barrel and the second plug barrel.

[0014] Secondly, by the counterweight, the limiting plug rod can be prevented from being easily loosened and fallen off when fixing the connection between the limiting sleeve and the limiting plug rod, so that the cabinet door can be better kept in the corresponding open state.

[0015] Thirdly, by the handle, the user can conveniently move the limiting plug rod and conveniently realize or release the fixing of the connection between the limiting sleeve and the plug rod by the limiting plug rod.

[0016] Fourthly, by the protective pad, the lock body can be prevented from touching and impacting and abrading the cabinet door. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model will be explained in further detail below in combination with the drawings and specific embodiments.

[0018] Figure 1 It is the structure schematic diagram of the utility model;

[0019] Figure 2 It is the structure schematic diagram of the plug rod, the clamping block, the through hole and the moving handle of the utility model;

[0020] Figure 3 It is the structure schematic diagram of the extension plug barrel, the limiting sleeve, the limiting plug rod, the counterweight and the handle of the utility model;

[0021] Figure 4 It is the structure schematic diagram of the extension plug barrel and the limiting sleeve of the utility model.

[0022] In the figure: 101, cabinet body; 102, cabinet door; 103, first connecting seat; 104, first plug-in barrel; 105, second connecting seat; 106, second plug-in barrel; 107, plug-in rod; 108, clamping block; 109, lock body; 110, extended plug-in barrel; 111, limiting sleeve; 112, limiting plug-in rod; 113, through hole; 201, moving handle; 202, hanging ring; 203, counterweight; 204, handle; 205, protective pad. DETAILED DESCRIPTION

[0023] In order to better understand the present application, the content of the present application will be further clearly described below in combination with examples, but the protection content of the present application is not limited to the following examples only. In the following description, a large number of specific details are given in order to provide a more thorough understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details.

[0024] As shown in Figure 1 , Figure 3 and Figure 4 , a transformer substation automatic cabinet door lock, the front end of the cabinet body 101 is open, the cabinet body 101 is hingedly provided with a cabinet door 102, one side of the front end of the cabinet body 101 is provided with a first connecting seat 103, the front end of the first connecting seat 103 is provided with a first plug-in barrel 104, the cabinet door 102 is provided with a second connecting seat 105 matched with the first connecting seat 103, the front end of the second connecting seat 105 is provided with a second plug-in barrel 106 matched with the first plug-in barrel 104, the second plug-in barrel 106 is provided with a plug-in rod 107 capable of being connected with the first plug-in barrel 104, one end of the plug-in rod 107 is provided with a through hole 113, the other end of the plug-in rod 107 is provided with a clamping block 108, and there is still a plug-in spacing between the other end of the plug-in rod 107 and the clamping block 108, the through hole 113 is provided with a lock body 109, the lower end of the side of the cabinet body 101 away from the first plug-in barrel is provided with an extended plug-in barrel 110 matched with the end of the plug-in rod 107 away from the through hole 113, the inner side wall of the cabinet door 102 is provided with a U-shaped limiting sleeve 111 capable of being connected with the end of the plug-in rod 107 close to the through hole 113, and the limiting sleeve 111 is further provided with a limiting plug-in rod 112 capable of being connected with the through hole 113. The clamping block 108 and the plug-in rod 107 are welded and fixed.

[0025] The user can first close the cabinet door 102 and make the cabinet door 102 be clamped and fixed together, then make the one end of the plug-in rod 107, which is provided with the through hole 113, pass through the first plug-in barrel 104 and the second plug-in barrel 106, and make the through hole 113 be located outside the second plug-in hole, and make the clamping block 108 be located outside the first plug-in barrel 104, then make the lock body 109 pass through the through hole 113 and be locked, so that the cabinet 101 in the closed state and the cabinet door 102 at the connecting position are locked.

[0026] When the user opens the lock body 109 and then opens the cabinet door 102, the plug-in rod 107 can be connected with the extension plug-in barrel 110, the opening state of the cabinet door 102 is adjusted, the limiting sleeve 111 is just sleeved outside the through hole 113, then the limiting plug-in rod 112 passes through the limiting sleeve 111 and is plug-in fixed with the through hole 113, so that the cabinet door 102 in the open state is limited and fixed, and the cabinet door 102 in the open state is prevented from rotating or even closing automatically.

[0027] Then, the limiting plug-in rod 112 is separated from the through hole 113, the connection between the limiting sleeve 111 and the through hole 113 is released, then the plug-in rod 107 is separated from the plug-in hole, the plug-in rod 107 is taken off from the cabinet 101, then the cabinet door is closed again, and the cabinet 101 and the cabinet door 102 at the connecting position are fixed through the cooperation of the connecting rod, the lock body 109, the first plug-in barrel 104 and the second plug-in barrel 106.

[0028] According to another embodiment of the present application, as shown in Figure 1 and Figure 2 The clamping block 108 is further provided with a moving handle 201. Through the moving handle 201, the plug-in rod 107 can be conveniently moved, conveniently inserted into the first plug-in barrel 104 and the second plug-in barrel 106, or taken out of the first plug-in barrel 104 and the second plug-in barrel 106, and can also be conveniently inserted into the extension plug-in barrel 110 or taken out of the extension plug-in barrel 110.

[0029] According to another embodiment of the present application, as shown in Figure 1 The second plug-in barrel 106 is further provided with a hanging ring 202 matched with the lock body 109. When the user takes off the lock body 109 from the plug-in rod 107 and makes the plug-in rod 107 separate from the first plug-in barrel 104 and the second plug-in barrel 106, the lock body 109 can be hung on the hanging ring 202, so that the lock body 109 is not randomly placed and affects the subsequent use.

[0030] According to another embodiment of the present application, as shown in Figure 3As shown, the upper end of the limiting insertion rod 112 is further provided with a counterweight 203. Through the counterweight 203, the limiting insertion rod 112 can be prevented from being easily loosened and fallen off when fixing the connection between the limiting sleeve 111 and the limiting insertion rod 112, so that the cabinet door 102 can be better kept in the corresponding open state.

[0031] According to another embodiment of the present application, as shown, the upper end of the limiting insertion rod 112 is further provided with a handle 204. Through the handle 204, the user can conveniently move the limiting insertion rod 112 downward, so as to conveniently fix the connection between the limiting sleeve 111 and the insertion rod 107, and the user can also conveniently move the limiting insertion rod 112 upward, so as to conveniently release the fixing of the connection between the limiting sleeve 111 and the insertion rod 107.

[0032] According to another embodiment of the present application, as Figure 1 As shown, the cabinet door 102 is further provided with a protective pad 205 at the position corresponding to the padlock. Through the protective pad 205, when the lock body 109 is locked and connected with the through hole 113, or is hung and connected with the hanging ring 202, the lock body 109 can be prevented from touching and impacting and wearing the cabinet door 102, and the cabinet door 102 can also be prevented from impacting and wearing the lock body 109 in the opposite direction.

[0033] The above is the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

1. An automatic cabinet door lock for a substation, wherein the front end of the cabinet (101) is open, and a cabinet door (102) is hinged to the cabinet (101), characterized in that: A first connecting seat (103) is provided on one side of the front end of the cabinet (101). A first plug-in tube (104) is provided at the front end of the first connecting seat (103). A second connecting seat (105) adapted to the first connecting seat (103) is provided on the cabinet door (102). A second plug-in tube (106) adapted to the first plug-in tube (104) is provided at the front end of the second connecting seat (105). A plug-in rod (107) capable of plugging and connecting with the first plug-in tube (104) is inserted into the second plug-in tube (106). One end of the plug-in rod (107) is provided with a through hole (113), and the other end of the plug-in rod (107) is provided with a clip. The stop block (108) and the other end of the plug-in rod (107) are left with a plug-in gap. A lock body (109) is provided in the through hole (113). An extension plug (110) is provided at the lower end of the cabinet body (101) away from the first plug-in tube (104) and is adapted to the end of the plug-in rod (107) away from the through hole (113). A U-shaped limiting sleeve (111) is provided on the inner side wall of the cabinet door (102) and can be fitted and connected to the end of the plug-in rod (107) near the through hole (113). A limiting plug (112) that can be inserted and connected to the through hole (113) is also inserted into the limiting sleeve (111).

2. The substation automatic cabinet door lock as described in claim 1, characterized in that: The card block (108) is welded and fixed to the plug rod (107).

3. The substation automatic cabinet door lock as described in claim 2, characterized in that: The card block (108) is also provided with a movable handle (201).

4. The substation automatic cabinet door lock as described in claim 3, characterized in that: The second plug tube (106) is also provided with a hanging ring (202) that is compatible with the lock body (109).

5. The substation automatic cabinet door lock as described in claim 4, characterized in that: The upper end of the limiting rod (112) is also provided with a counterweight (203).

6. The substation automatic cabinet door lock as described in claim 5, characterized in that: The upper end of the limiting rod (112) is also provided with a handle (204).

7. The substation automatic cabinet door lock as described in claim 6, characterized in that: A protective pad (205) is also provided on the cabinet door (102) corresponding to the position of the padlock.

Citation Information

Patent Citations

  • Automatic cabinet door lock of transformer substation

    CN117345060A