A cabinet security lock with a self-locking structure

Abstract

This utility model belongs to the field of server rack technology, and in particular to a security lock for server racks with a self-locking structure. It includes a rack body with an access panel on the front. A rack door is hinged to the inner side of the access panel. A fixing block is embedded and fixedly installed inside the access panel. A lock hole is formed on the side of the fixing block, and a magnetic block is fixedly installed inside the lock hole. A lock is embedded and fixedly installed on the side of the rack door, and an inner groove is formed on the side of the lock. This security lock for server racks with a self-locking structure uses a sliding lock head. When the rack door is closed, the lock head aligns with the lock hole, and the magnetic block attracts a metal rod, causing the lock head to insert into the lock hole, thus automatically locking the rack door. After maintenance, simply remove the key and close the rack door to lock it. The operation is simple and prevents security issues caused by forgetting to lock, improving the security performance of the server rack.

Description

Technical Field

[0001] This utility model relates to the field of cabinet technology, specifically a safety lock for cabinets with a self-locking structure. Background Technology

[0002] Outdoor cabinets are widely used in the management of outdoor cabinet doors such as ring network cabinets and branch boxes in power distribution networks. They can also be used for the management of meter boxes in power supply marketing services, the management of meter boxes and transformer cabinet doors in rural power distribution networks, and the safety management of a large number of field equipment in industries such as petroleum, chemical, and rail transportation. Traditional outdoor cabinets use a combination of metal cabinets and cabinet doors to protect the equipment.

[0003] Currently, most outdoor server racks use key locks. Maintenance personnel must use a key to open the lock when inspecting equipment or circuits inside, and then close the door and lock it again. This process is cumbersome and inefficient. Furthermore, maintenance personnel often forget to lock the door after closing it, making it vulnerable to external force and compromising the safety of the equipment inside. Therefore, there is an urgent need for a self-locking security lock for server racks to solve this problem. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a cabinet safety lock with a self-locking structure, which solves the current problems of "cumbersome operation and forgetting to lock".

[0005] To achieve the above objectives, this utility model provides the following technical solution: a cabinet safety lock with a self-locking structure, comprising a cabinet body, an inspection port on the front of the cabinet body, a cabinet door hinged to the inner side of the inspection port, a fixing block embedded and fixedly installed on the inner side of the inspection port, a lock hole on the side of the fixing block, a magnetic block fixedly installed on the inner side of the lock hole, a lock fixture embedded and fixedly installed on the side of the cabinet door, an inner groove on the side of the lock fixture, a lock head slidably installed on the inner side of the inner groove, a lock cylinder rotatably installed on the front of the lock fixture, one end of the lock head inserted into the inner side of the lock hole, the other end of the lock head connected to the lock cylinder through a linkage structure, and a metal rod fixedly inserted and installed on the side of the lock head near the lock hole.

[0006] As a preferred embodiment of this utility model, the lock cylinder has a keyhole on its front side, and the cabinet door has a handle fixedly installed on its front side.

[0007] As a preferred technical solution of this utility model, the linkage structure includes a connecting block fixedly installed on the side of the lock head and a sliding block slidably connected to the inner side of the inner groove. The connecting block has a first slot on both its upper and lower sides, and the sliding block has a second slot on the side near the connecting block. The connecting block is slidably connected to the inner side of the second slot. A locking block is fixedly installed on the inner side of the second slot. The locking block is slidably engaged with the inner side of the first slot. A linkage rod is rotatably connected between the lock cylinder and the sliding block.

[0008] As a preferred embodiment of this utility model, the linkage structure further includes a fixed column fixedly installed on the side of the sliding block, one end of the linkage rod being rotatably connected to the port of the fixed column, an extension rod being fixedly installed on the side of the lock cylinder, and the other end of the linkage rod being rotatably connected to the port of the extension rod.

[0009] As a preferred embodiment of this utility model, a compression spring is fixedly installed between the side of the sliding block away from the connecting block and the inner side of the inner groove.

[0010] As a preferred embodiment of this utility model, the inner side of the lock is provided with a cavity communicating with the inner groove, and the fixing post, the linkage rod and the extension rod are all located in the cavity.

[0011] Compared with the prior art, this utility model provides a cabinet safety lock with a self-locking structure, which has the following advantages:

[0012] 1. This type of cabinet safety lock with a self-locking structure uses a sliding lock head. When the cabinet door is closed, the lock head aligns with the keyhole, and the magnetic block attracts the metal rod, causing the lock head to insert into the keyhole and automatically lock the cabinet door. After the cabinet is inspected, simply remove the key and close the cabinet door to lock it. The operation is simple and prevents security issues caused by forgetting to lock the door, thus improving the security performance of the cabinet.

[0013] 2. This type of cabinet safety lock with a self-locking structure, by pushing the sliding block to slide in the opposite direction, while the locking block slides in the first slot, the lock head will not move. The sliding of the sliding block will drive the lock cylinder to reset through the linkage rod, which is convenient for unlocking next time. In addition, when closing the cabinet door later, the lock head slides in the inner groove without being blocked by the locking block, so that the lock can achieve self-locking smoothly and improve the smoothness of cabinet door self-locking. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the structural distribution near the inspection port of this utility model;

[0016] Figure 3 This utility model Figure 1 Enlarged schematic diagram of the structure at point A in the middle;

[0017] Figure 4 This utility model Figure 2 Enlarged schematic diagram of the structure at point B;

[0018] Figure 5 This is a cross-sectional view of the internal structure of the lock of this utility model.

[0019] In the diagram: 1. Cabinet body; 11. Inspection port; 2. Cabinet door; 3. Lock; 31. Inner groove; 4. Handle; 5. Fixing block; 51. Keyhole; 52. Magnetic block; 6. Lock cylinder; 61. Key eye; 62. Extension rod; 7. Lock head; 71. Metal rod; 72. Connecting block; 73. First slot; 8. Sliding block; 81. Second slot; 82. Locking block; 83. Fixing post; 9. Compression spring; 10. Linkage rod. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Example 1

[0022] Please see Figure 1-5 In this embodiment: a cabinet safety lock with a self-locking structure includes a cabinet body 1. An access panel 11 is provided on the front of the cabinet body 1. A cabinet door 2 is hinged to the inner side of the access panel 11. A fixing block 5 is embedded and fixedly installed on the inner side of the access panel 11. A lock hole 51 is provided on the side of the fixing block 5. A magnetic block 52 is fixedly installed on the inner side of the lock hole 51. A lock 3 is embedded and fixedly installed on the side of the cabinet door 2. An inner groove 31 is provided on the side of the lock 3. A lock head 7 is slidably installed on the inner side of the inner groove 31. A lock cylinder 6 is rotatably installed on the front of the lock 3. One end of the lock head 7 is inserted into... Inside the lock hole 51, the other end of the lock head 7 is connected to the lock cylinder 6 via a linkage structure. A metal rod 71 is fixedly inserted into the side of the lock head 7 near the lock hole 51. By sliding the lock head 7, when the cabinet door 2 is closed, the lock head 7 will align with the lock hole 51, and the magnetic block 52 will attract the metal rod 71, causing the lock head 7 to insert into the lock hole 51, thus completing the automatic locking of the cabinet door 2. After the cabinet 1 is inspected, you only need to pull out the key and close the cabinet door 2 to lock it. The operation is simple and will not cause security problems due to forgetting to lock, thus improving the security performance of the cabinet.

[0023] As a preferred embodiment, the lock cylinder 6 has a keyhole 61 on its front and a handle 4 is fixedly installed on the front of the cabinet door 2. The cabinet door 2 can be opened and closed easily through the handle 4. The lock cylinder 6 can only be turned by inserting the appropriate key into the keyhole 61, thus enabling the cabinet door 2 to be opened.

[0024] In a preferred embodiment, the linkage structure includes a connecting block 72 fixedly installed on the side of the lock head 7 and a sliding block 8 slidably connected to the inner side of the inner groove 31. The connecting block 72 has a first slot 73 on both its upper and lower sides, and the sliding block 8 has a second slot 81 on the side of the sliding block 8 near the connecting block 72. The connecting block 72 is slidably connected to the inner side of the second slot 81. A locking block 82 is fixedly installed on the inner side of the second slot 81 and slidably engages with the inner side of the first slot 73. A linkage rod 10 is rotatably connected between the lock cylinder 6 and the sliding block 8. In use, by rotating the lock cylinder 6, the sliding block 8 slides in the inner groove 31, and then the locking block 82 slides in the first slot 73 until the locking block 82 abuts against the inner side of the first slot 73. If the lock cylinder 6 is rotated further, the sliding block 8 drives the connecting block 72 and the lock head 7 to move, so that the lock head 7 disengages from the lock hole 51, thereby opening the cabinet door 2.

[0025] As a preferred embodiment, the linkage structure also includes a fixed post 83 fixedly installed on the side of the sliding block 8. One end of the linkage rod 10 is rotatably connected to the end of the fixed post 83. An extension rod 62 is fixedly installed on the side of the lock cylinder 6. The other end of the linkage rod 10 is rotatably connected to the end of the extension rod 62. This design facilitates the smooth sliding of the sliding block 8 within the inner groove 31 while rotating the lock cylinder 6, thereby improving the linkage effect between the structures.

[0026] Example 2

[0027] Please see Figure 1-5 In this implementation scheme: a compression spring 9 is fixedly installed between the side of the sliding block 8 away from the connecting block 72 and the inner side of the inner groove 31; after unlocking, after the key is pulled out, the sliding block 8 is pushed to slide in the opposite direction under the action of the compression spring 9, and at the same time the locking block 82 slides in the first locking groove 73. At this time, the lock head 7 will not move. The sliding of the sliding block 8 will drive the lock cylinder 6 to reset through the linkage rod 10, which is convenient for unlocking next time. In addition, when the cabinet door 2 is closed later, the lock head 7 slides in the inner groove 31 without being blocked by the locking block 82, so that the lock 3 can achieve self-locking smoothly and improve the smoothness of the cabinet door 2 self-locking.

[0028] In a preferred embodiment, the inner side of the lock 3 has a cavity communicating with the inner groove 31. The fixing post 83, the linkage rod 10 and the extension rod 62 are all located in the cavity to ensure the smoothness of the linkage rod 10 during movement.

[0029] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A safety lock for cabinets with self-locking structure, comprising a cabinet body (1), characterized in that: The cabinet (1) has an access panel (11) on its front side. A cabinet door (2) is hinged to the inside of the access panel (11). A fixing block (5) is embedded and fixed to the inside of the access panel (11). A lock hole (51) is opened on the side of the fixing block (5). A magnetic block (52) is fixedly installed on the inside of the lock hole (51). A lock (3) is embedded and fixed to the side of the cabinet door (2). An inner groove (31) is opened on the side of the lock (3). A lock head (7) is slidably installed on the inside of the inner groove (31). A lock cylinder (6) is rotatably installed on the front of the lock (3). One end of the lock head (7) is inserted into the inside of the lock hole (51). The other end of the lock head (7) is connected to the lock cylinder (6) through a linkage structure. A metal rod (71) is fixedly inserted and installed on the side of the lock head (7) near the lock hole (51).

2. The safety lock for cabinets with self-locking structure according to claim 1, characterized in that: The lock cylinder (6) has a keyhole (61) on its front side, and the cabinet door (2) has a handle (4) fixedly installed on its front side.

3. The safety lock for cabinets with self-locking structure according to claim 1, characterized in that: The linkage structure includes a connecting block (72) fixedly installed on the side of the lock head (7) and a sliding block (8) slidably connected to the inner side of the inner groove (31). The connecting block (72) has a first slot (73) on both the upper and lower sides. The sliding block (8) has a second slot (81) on the side close to the connecting block (72). The connecting block (72) is slidably connected to the inner side of the second slot (81). A locking block (82) is fixedly installed on the inner side of the second slot (81). The locking block (82) is slidably engaged with the inner side of the first slot (73). A linkage rod (10) is rotatably connected between the lock cylinder (6) and the sliding block (8).

4. A cabinet safety lock with a self-locking structure according to claim 3, characterized in that: The linkage structure also includes a fixed post (83) fixedly installed on the side of the sliding block (8), one end of the linkage rod (10) is rotatably connected to the port of the fixed post (83), and an extension rod (62) is fixedly installed on the side of the lock cylinder (6), and the other end of the linkage rod (10) is rotatably connected to the port of the extension rod (62).

5. The safety lock for cabinets with self-locking structure according to claim 3, characterized in that: A compression spring (9) is fixedly installed between the side of the sliding block (8) away from the connecting block (72) and the inner side of the inner groove (31).

6. The safety lock for cabinets with self-locking structure according to claim 4, characterized in that: The lock (3) has a cavity on its inner side that communicates with the inner groove (31), and the fixing post (83), the linkage rod (10) and the extension rod (62) are all located in the cavity.

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