Cabinet door self-locking structure of switch cabinet

By designing the self-locking structure of the cabinet door of the switch cabinet, the initial locking is achieved using electromagnetic and magnetic blocks, and the locking state is ensured through the secondary locking tongue and torsion spring, the problem of manual locking operation of the existing switch cabinet is solved, and safety and convenience are improved.

CN222615028UActive Publication Date: 2025-03-14BEIJING BEIFANG YONGDA INTELLIGENT ELECTRIC CO LTD
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Patent Information

Application Number
CN202420590549.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-26
Publication Date
2025-03-14
Estimated Expiration
2034-03-26

AI Technical Summary

Technical Problem

The existing switch cabinet needs to be locked manually after use, which is troublesome and easy to forget, affecting safe use.

Method used

A self-locking structure of the cabinet door of the switch cabinet is designed, including the main self-locking assembly and the secondary self-locking assembly. Through the cooperation of the electromagnet and the magnetic block, the automatic initial locking of the cabinet door is realized, and through the cooperation of the secondary locking tongue and the torsion spring, it is ensured that the electromagnet remains locked after the electromagnetic property is lost.

Benefits of technology

It realizes convenient self-locking of the switch cabinet door, ensuring automatic locking after use, and improving the safety and convenience of the switch cabinet.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of switch cabinets, and discloses a cabinet door self-locking structure of a switch cabinet, which solves the problem that the cabinet door of the switch cabinet is inconvenient to self-lock, and comprises a switch cabinet main body, a switch cabinet door is hinged to one side of the switch cabinet main body, and the switch cabinet door is hinged to the other side of the switch cabinet main body. A primary self-locking assembly for primary self-locking is arranged in the switch cabinet body, an auxiliary self-locking assembly for auxiliary self-locking is arranged on one side of the primary self-locking assembly, the primary self-locking assembly comprises a main spring bolt, a sliding groove A is formed in the inner wall of the switch cabinet body, the main spring bolt is slidably connected into the sliding groove A, and a spring is fixedly connected to the inner wall of the sliding groove A; one end of the spring is fixedly connected with one side of the main spring bolt, and one side of the main spring bolt is fixedly connected with an outer magnetic block A. The lock groove assembly comprises a main insertion groove formed in one side of the switch cabinet door, an electromagnet is fixedly connected to the inner wall of the main insertion groove, a door opening groove is formed in one side of the switch cabinet door, and a button is fixedly connected to the inner wall of the door opening groove. The purpose of conveniently self-locking the cabinet door of the switch cabinet is achieved.
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Description

Technical Field

[0001] The utility model relates to the technical field of switch cabinets, in particular to a cabinet door self-locking structure of a switch cabinet. Background Art

[0002] A switch cabinet is a device used to control, protect and isolate electrical equipment. It is usually composed of a metal casing, a circuit breaker or switch, a relay, an instrument, etc., and is used to centrally manage electrical equipment in a power system. The switch cabinet can be configured with electrical components of different types and specifications as needed to achieve the control and protection functions of the electrical equipment. Through the switch cabinet, electrical equipment can be easily monitored and operated. At the same time, when a circuit fails, the problem area can be quickly isolated to ensure the safe operation of the electrical system. However, in order to ensure safety after the existing switch cabinet is used, the cabinet door needs to be locked with a key. This operation is troublesome and easy to forget, which is not conducive to the safe use of the switch cabinet.

[0003] In view of the above problems, a switch cabinet door self-locking structure is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a self-locking structure for a door of a switch cabinet. The device is adopted to work, thereby solving the problem that the door of the switch cabinet is inconvenient to self-lock.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a switch cabinet door self-locking structure, comprising a switch cabinet body, a switch cabinet door hingedly connected to one side of the switch cabinet body, a lock slot assembly for door self-locking arranged on one side of the switch cabinet door, a main self-locking assembly for preliminary self-locking arranged inside the switch cabinet body, and a secondary self-locking assembly for auxiliary self-locking arranged on one side of the main self-locking assembly;

[0006] The main self-locking component includes a main lock tongue, a slide groove A is opened on the inner wall of the switch cabinet body, the main lock tongue is slidably connected to the inside of the slide groove A, a spring is fixedly connected to the inner wall of the slide groove A, one end of the spring is fixedly connected to one side of the main lock tongue, one side of the main lock tongue is fixedly connected to an external magnetic block A, the lock slot component includes a main slot opened on one side of the switch cabinet door, an electromagnet is fixedly connected to the inner wall of the main slot, a door opening slot is opened on one side of the switch cabinet door, a button is fixedly connected to the inner wall of the door opening slot, the button is electrically connected to the electromagnet, and the external magnetic block A is correspondingly arranged with the electromagnet.

[0007] Preferably, the secondary self-locking component includes a telescopic groove opened on the upper surface of the main lock tongue, the secondary lock tongue is slidably connected inside the telescopic groove, a torsion spring is movably connected to the inner wall of the main lock tongue, one end of the torsion spring is fixedly connected to the bottom surface of the secondary lock tongue, and a secondary slot is opened on the inner wall of the main slot, and the secondary slot and the secondary lock tongue are arranged correspondingly.

[0008] Preferably, the secondary self-locking component also includes a connecting disk, a rotating rod A is fixedly connected to one side of the connecting disk, a connecting groove A is opened on the outer side of the rotating rod A, a rotating rod B is fixedly connected to the inner wall of the torsion spring, a connecting groove B is opened on the outer side of the rotating rod B, a metal wire is arranged between the connecting groove A and the connecting groove B, the two ends of the metal wire are respectively fixedly connected to the inner walls of the connecting groove A and the connecting groove B, and the metal wire is wrapped and connected to the outer sides of the connecting groove A and the connecting groove B.

[0009] Preferably, a lock cylinder is rotatably connected to one side of the switch cabinet body, a lock hole is provided on one side of the lock cylinder, and the connecting plate is fixedly connected to one side of the lock cylinder.

[0010] Preferably, an external magnetic block B is fixedly connected to one side of the telescopic slot, and a fixed magnetic block is fixedly connected to the inner wall of the auxiliary slot, and the external magnetic block B and the fixed magnetic block attract each other.

[0011] Preferably, a sealing ring is fixedly connected to the outer side of the switch cabinet door.

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

[0013] The utility model provides a self-locking structure for the cabinet door of a switch cabinet. After closing the cabinet door, the user holds the door opening slot and presses the button. The button sends an electrical signal to the electromagnet, which makes the electromagnet magnetic, thereby attracting the main lock tongue. The main lock tongue is inserted into the main slot and fits the electromagnet to perform preliminary locking. After the main lock tongue is inserted, the auxiliary lock tongue pops out under the action of the torsion spring, and the auxiliary lock tongue is aligned with the auxiliary slot and inserted, which further achieves the effect of self-locking, thereby ensuring that when the electromagnet loses its magnetism, the auxiliary lock tongue is clamped in the auxiliary slot to still ensure the locking effect, and finally achieves the purpose of facilitating the self-locking of the cabinet door of the switch cabinet. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the switch cabinet door structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the lock slot assembly structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the main self-locking component of the utility model;

[0018] Figure 5 This is a schematic diagram of the structure of the auxiliary self-locking component of the utility model;

[0019] Figure 6 It is a schematic plan view of the internal structure of the main lock tongue of the utility model.

[0020] In the figure: 1. switch cabinet body; 11. switch cabinet door; 111. sealing ring; 12. lock slot assembly; 121. main slot; 122. electromagnet; 123. auxiliary slot; 124. fixed magnetic block; 13. door opening slot; 14. button; 15. slide slot A; 16. lock cylinder; 161. lock hole; 2. main self-locking assembly; 21. main lock tongue; 22. external magnetic block A; 23. spring; 3. auxiliary self-locking assembly; 31. connecting plate; 32. rotating rod A; 321. connecting slot A; 322. metal wire; 33. rotating rod B; 34. connecting slot B; 35. telescopic slot; 36. auxiliary lock tongue; 37. external magnetic block B; 38. torsion spring. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0023] Combination Figure 1 A switch cabinet door self-locking structure includes a switch cabinet body 1, a switch cabinet door 11 is hinged on one side of the switch cabinet body 1, a lock slot component 12 for door self-locking is arranged on one side of the switch cabinet door 11, a main self-locking component 2 for preliminary self-locking is arranged inside the switch cabinet body 1, and a secondary self-locking component 3 for auxiliary self-locking is arranged on one side of the main self-locking component 2.

[0024] The utility model is further described below in conjunction with embodiments.

[0025] Combination Figure 2-Figure 6The main self-locking component 2 includes a main lock tongue 21, a slide groove A15 is provided on the inner wall of the switch cabinet body 1, the main lock tongue 21 is slidably connected to the inside of the slide groove A15, a spring 23 is fixedly connected to the inner wall of the slide groove A15, one end of the spring 23 is fixedly connected to one side of the main lock tongue 21, and one side of the main lock tongue 21 is fixedly connected to an external magnetic block A22, the lock slot component 12 includes a main slot 121 provided on one side of the switch cabinet door 11, an electromagnet 122 is fixedly connected to the inner wall of the main slot 121, a door opening slot 13 is provided on one side of the switch cabinet door 11, and a button 1 is fixedly connected to the inner wall of the door opening slot 13 4. The button 14 is electrically connected to the electromagnet 122, and the external magnetic block A22 is correspondingly arranged with the electromagnet 122. Through the arrangement of the main lock tongue 21, the external magnetic block A22, the spring 23, the main slot 121, the electromagnet 122, the door opening slot 13 and the button 14, when closing the switch cabinet door 11, the door opening slot 13 is held and the button 14 is pressed. The button 14 sends an electrical signal to the electromagnet 122. The electromagnet 122 is magnetic and thus attracts the main lock tongue 21. The main lock tongue 21 is inserted into the main slot 121 and fits with the electromagnet 122, thereby achieving a preliminary self-locking effect.

[0026] The secondary self-locking component 3 includes a telescopic groove 35 provided on the upper surface of the main lock tongue 21, and a secondary lock tongue 36 is slidably connected inside the telescopic groove 35. A torsion spring 38 is movably connected to the inner wall of the main lock tongue 21, and one end of the torsion spring 38 is fixedly connected to the bottom surface of the secondary lock tongue 36. A secondary slot 123 is provided on the inner wall of the main slot 121, and the secondary slot 123 is correspondingly arranged with the secondary lock tongue 36. Through the arrangement of the secondary slot 123, the telescopic groove 35, the secondary lock tongue 36 and the torsion spring 38, after the main lock tongue 21 is inserted, the secondary lock tongue 36 pops out under the action of the torsion spring 38, and the secondary lock tongue 36 is aligned with the secondary slot 123 and inserted, thereby achieving a further self-locking effect. When the electromagnet 122 loses its magnetism and the main lock tongue 21 is about to be retracted under the action of the spring 23, the secondary lock tongue 36 is clamped in the secondary slot 123 to ensure the self-locking effect.

[0027] The auxiliary self-locking component 3 also includes a connecting plate 31, a rotating rod A32 is fixedly connected to one side of the connecting plate 31, a connecting groove A321 is provided on the outer side of the rotating rod A32, a rotating rod B33 is fixedly connected to the inner wall of the torsion spring 38, a connecting groove B34 is provided on the outer side of the rotating rod B33, a metal wire 322 is provided between the connecting groove A321 and the connecting groove B34, two ends of the metal wire 322 are respectively fixedly connected to the inner wall of the connecting groove A321 and the connecting groove B34, and the metal wire 322 is wound and connected to the connecting groove A321 and the connecting groove B34 On the outside, through the setting of the connecting disk 31, the rotating rod A32, the connecting groove A321, the metal wire 322, the rotating rod B33 and the connecting groove B34, when it is necessary to retract the auxiliary lock tongue 36, the connecting disk 31 is rotated, and the connecting disk 31 drives the rotating rod A32 to rotate, and then drives the connecting groove A321 to rotate, so that the metal wire 322 is wrapped around the outside of the connecting groove A321, thereby pulling the rotating rod B33 to drive the rotating rod B33 to rotate, and then the torsion spring 38 is contracted, and the auxiliary lock tongue 36 is retracted back to the inner wall of the main lock tongue 21, thereby realizing the unlocking work.

[0028] A lock cylinder 16 is rotatably connected to one side of the switch cabinet body 1, and a lock hole 161 is opened on one side of the lock cylinder 16. The connecting disk 31 is fixedly connected to one side of the lock cylinder 16. Through the setting of the lock cylinder 16 and the lock hole 161, a key is inserted into the lock hole 161 to drive the connecting disk 31 to rotate, thereby ensuring the safety of the self-locking structure.

[0029] An external magnetic block B37 is fixedly connected to one side of the telescopic slot 35, and a fixed magnetic block 124 is fixedly connected to the inner wall of the auxiliary slot 123. The external magnetic block B37 and the fixed magnetic block 124 attract each other. The stability of the connection is ensured by the arrangement of the external magnetic block B37 and the fixed magnetic block 124.

[0030] A sealing ring 111 is fixedly connected to the outer side of the switch cabinet door 11. The sealing ring 111 ensures the sealing performance after the cabinet door is closed.

[0031] Specifically, after closing the switch cabinet door 11, hold the door opening slot 13 and press the button 14. The button 14 sends an electrical signal to the electromagnet 122, so that the electromagnet 122 has magnetism, thereby attracting the main lock tongue 21. The main lock tongue 21 is inserted into the main slot 121 and fits with the electromagnet 122 for preliminary locking. After the main lock tongue 21 is inserted, the auxiliary lock tongue 36 pops out under the action of the torsion spring 38, and the auxiliary lock tongue 36 is aligned with the auxiliary slot 123 and inserted, which has a further self-locking effect, thereby ensuring that when the electromagnet 122 loses its magnetism, the auxiliary lock tongue 36 is clamped in the auxiliary slot 123 to still ensure the locking effect, thereby finally achieving the purpose of facilitating self-locking of the switch cabinet door.

[0032] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A switch cabinet door self-locking structure, comprising a switch cabinet body (1), a switch cabinet door (11) being hingedly connected to one side of the switch cabinet body (1), characterized in that: A lock slot assembly (12) for door self-locking is arranged on one side of the switch cabinet door (11); a main self-locking assembly (2) for preliminary self-locking is arranged inside the switch cabinet body (1); and a secondary self-locking assembly (3) for auxiliary self-locking is arranged on one side of the main self-locking assembly (2); The main self-locking component (2) comprises a main lock tongue (21), a slide groove A (15) is provided on the inner wall of the switch cabinet body (1), the main lock tongue (21) is slidably connected to the inside of the slide groove A (15), a spring (23) is fixedly connected to the inner wall of the slide groove A (15), one end of the spring (23) is fixedly connected to one side of the main lock tongue (21), one side of the main lock tongue (21) is fixedly connected to an external magnetic block A (22), the lock slot component (12) comprises a main slot (121) provided on one side of the switch cabinet door (11), an electromagnet (122) is fixedly connected to the inner wall of the main slot (121), a door opening slot (13) is provided on one side of the switch cabinet door (11), a button (14) is fixedly connected to the inner wall of the door opening slot (13), the button (14) is electrically connected to the electromagnet (122), and the external magnetic block A (22) and the electromagnet (122) are arranged correspondingly.

2. The self-locking structure of a switch cabinet door according to claim 1, characterized in that: The secondary self-locking component (3) comprises a telescopic groove (35) formed on the upper surface of the main lock tongue (21), a secondary lock tongue (36) being slidably connected inside the telescopic groove (35), a torsion spring (38) being movably connected to the inner wall of the main lock tongue (21), one end of the torsion spring (38) being fixedly connected to the bottom surface of the secondary lock tongue (36), a secondary groove (123) being formed on the inner wall of the main groove (121), and the secondary groove (123) being arranged correspondingly to the secondary lock tongue (36).

3. The self-locking structure of a switch cabinet door according to claim 2, characterized in that: The auxiliary self-locking assembly (3) further comprises a connecting disk (31), a rotating rod A (32) being fixedly connected to one side of the connecting disk (31), a connecting groove A (321) being provided on the outer side of the rotating rod A (32), a rotating rod B (33) being fixedly connected to the inner wall of the torsion spring (38), a connecting groove B (34) being provided on the outer side of the rotating rod B (33), a metal wire (322) being provided between the connecting groove A (321) and the connecting groove B (34), two ends of the metal wire (322) being fixedly connected to the inner walls of the connecting groove A (321) and the connecting groove B (34) respectively, and the metal wire (322) being wound and connected to the outer sides of the connecting groove A (321) and the connecting groove B (34).

4. The self-locking structure of a switch cabinet door according to claim 3, characterized in that: A lock cylinder (16) is rotatably connected to one side of the switch cabinet body (1), a lock hole (161) is provided on one side of the lock cylinder (16), and a connection plate (31) is fixedly connected to one side of the lock cylinder (16).

5. The self-locking structure of a switch cabinet door according to claim 2, characterized in that: An external magnetic block B (37) is fixedly connected to one side of the telescopic slot (35), and a fixed magnetic block (124) is fixedly connected to the inner wall of the auxiliary slot (123); the external magnetic block B (37) and the fixed magnetic block (124) attract each other.

6. The switch cabinet door self-locking structure according to claim 1, characterized in that: A sealing ring (111) is fixedly connected to the outer side of the switch cabinet door (11).