Steel cabinet door locking device

Through the design of double-opening door locks and the linkage of the external door leaf to push the pressure lock pin and the lock hook plate, the problems of complexity and easy deformation of the existing steel cabinet door locks are solved, and the simplified structure and high-quality locking effect are achieved.

CN223089100UActive Publication Date: 2025-07-11LUOYANG TIANBANG METAL PRODUCTS CO LTD
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Patent Information

Application Number
CN202422086567.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-27
Publication Date
2025-07-11
Estimated Expiration
2034-08-27

AI Technical Summary

Technical Problem

The existing steel cabinet door linkage mechanism doors have many door lock components, are complex in installation, are prone to deformation or reduced sensitivity during long-term use, resulting in failure to lock, high maintenance costs, and difficult to guarantee product quality.

Method used

The double-open door lock design is adopted, and the pressure lock pin is pushed through the outer door leaf, the linkage between the lock hook plate and the inner door leaf is locked, and combined with the door leaf positioning mechanism, the lock structure is simplified and the production cost is reduced.

Benefits of technology

A simple locking mechanism is realized, which avoids the problem of lock deformation and inability to lock, and improves product quality and reliability of use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223089100U_ABST
Patent Text Reader

Abstract

A locking device for a cabinet door of a steel cabinet is characterized in that a lock shell is arranged outside a side-by-side door lock, a lock hook plate is arranged in the lock shell, a lock hook and a lock pressing pin are arranged on the same sides of the two ends of the lock hook plate respectively, a lock plate shaft is arranged in the middle of the lock hook plate, and a lock pressing pin spring is arranged on one side of the lock plate shaft; a door frame is arranged on the rear portion of the side-by-side door lock, a pair of side-by-side door leaves are arranged on the outer side of the door frame, and lock hooks and lock pressing pins are arranged between the two sides of the pair of side-by-side door leaves and the door Lock hook holes are reserved in the positions, corresponding to the lock hooks, of door leaf frames of the inner hinged door leaves, and the lock hooks are correspondingly arranged in the lock hook holes. According to the side-by-side door lock, the lock pressing pin is pushed through the outer door leaf of the pair of door leaves, the lock hook plate and the inner door leaf are locked through the linkage lock hook, the door leaf positioning mechanism of the side-by-side door is used for positioning and locking, the door lock is simple in mechanism, and the production cost is greatly reduced; the phenomenon that a lockset in linkage with an inserting rod is prone to deformation and cannot be locked can be avoided, the product quality of a side-by-side door lock is improved, and it is ensured that a side-by-side door can be normally locked and used.
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Description

Technical Field

[0001] The utility model relates to a cabinet door lock for a steel cabinet, in particular to a locking device for a cabinet door lock of a steel cabinet. Background Art

[0002] At present, most of the filing cabinets of office furniture are steel cabinets. The existing locking of steel cabinet doors generally uses a lock with a linkage of insertion rods. The lock is locked with the door frame through the lock rods and linkage mechanisms arranged at the upper and lower ends; when the lock with the linkage of insertion rods is locked, the door lock is locked by inserting the lock rod into the insertion hole of the door frame; due to the fact that there are many door lock components in the linkage mechanism of the existing steel cabinet door and the installation tools are complex; during long-term use, the lock with the linkage of insertion rods is prone to deformation or reduced sensitivity, and the phenomenon that the insertion rod is not in place and cannot be locked often occurs, and the cost of repairing or replacing components is high, and the product quality cannot be guaranteed; in view of the above reasons, a locking device for a cabinet door lock of a steel cabinet is now proposed. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the problems that there are many door lock components in the linkage mechanism of the existing steel cabinet door and the installation tools are complex; during long-term use, the lock with the linkage of insertion rods is prone to deformation or reduced sensitivity, and the phenomenon that the insertion rod is not in place and cannot be locked often occurs, and the cost of repairing or replacing components is high, and the product quality cannot be guaranteed; through reasonable design, a locking device for a cabinet door lock of a steel cabinet is provided; the double-leaf door lock of the utility model pushes a pressure lock pin through the outer leaf of a pair of door leaves, and the lock hook plate is locked with the inner leaf through a linkage lock hook, and is locked by the door leaf positioning mechanism of the double-leaf door. The mechanism of the door lock is simple, and the production cost is greatly reduced; the phenomenon that the lock with the linkage of insertion rods is prone to deformation and cannot be locked can be avoided, the product quality of the double-leaf door lock is improved, and it is ensured that the double-leaf door can be normally locked and used.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme. A locking device for a cabinet door lock of a steel cabinet is composed of: a double-leaf door lock, a lock shell, a lock head, a lock hook plate, a lock plate shaft, a lock hook, a pressure lock pin, a pressure lock pin spring, a spring pin, a spring clip head, a door frame, door leaves, a door leaf frame, a lock hook hole, and a baffle. A lock shell is arranged outside the double-leaf door lock. The lock shell is set as a rectangular shell. A lock hook plate is arranged in the lock shell. Lock hooks and pressure lock pins are respectively arranged at the same side of both ends of the lock hook plate. A lock plate shaft is arranged in the middle of the lock hook plate. Both ends of the lock plate shaft are fixedly connected with the plate surface of the lock shell; a pressure lock pin spring is arranged on one side of the lock plate shaft. A spring pin is arranged at the position corresponding to the pressure lock pin spring on one side of the lock hook plate. A spring seat is arranged on the rear side plate of the lock shell corresponding to the spring pin. A pressure lock pin spring is arranged between the spring seat and the spring pin; a door frame is arranged at the rear of the double-leaf door lock. A pair of double-leaf door leaves are arranged outside the door frame. Lock hooks and pressure lock pins are respectively arranged between both sides of the pair of double-leaf door leaves and the door frame;

[0005] A pair of elastic piece chucks are arranged on both sides of the lock case. A pair of lock holes are reserved at both ends of the front side plate of the lock case. A pair of lock heads are respectively arranged at the openings of the pair of lock holes. A lock hook and a locking pin are respectively arranged in the pair of lock heads. A mounting slot is reserved between the outer sides of the pair of lock heads and a pair of elastic piece chucks; a pair of opposing doors are arranged on the outer sides of the pair of lock heads. A door frame is arranged on the inner side of the door. The pair of opposing doors are respectively an inner opposing door and an outer opposing door. A baffle is arranged on the door frame side of the inner opposing door;

[0006] On the inner side of the outer opposing door, it corresponds to the locking pin. On the door frame of the inner opposing door, a lock hook hole is reserved at the position corresponding to the lock hook, and a lock hook is correspondingly arranged in the lock hook hole.

[0007] Beneficial effects: The double-leaf door lock of the present utility model uses the outer door leaf of the pair of door leaves to push the locking pin. The lock hook plate is locked with the inner door leaf through the linkage lock hook, and is locked by the positioning mechanism of the double-leaf door. The mechanism of the door lock is simple, and the production cost is greatly reduced; it can avoid the phenomenon that the lock with a plug rod linkage is prone to deformation and cannot be locked, improves the product quality of the double-leaf door lock, and ensures that the double-leaf door can be normally locked and used. Description of the Drawings

[0008] The following further explains the present utility model in conjunction with the drawings:

[0009] Figure 1 is the overall assembly structure schematic diagram;

[0010] Figure 2 is Figure 1 the dynamic structure schematic diagram of;

[0011] Figure 3 is Figure 1 the side view structure schematic diagram of;

[0012] Figure 1 、 2 In FIGS. 1, 2, and 3: the double-leaf door lock 1, the lock case 2, the lock head 2-1, the lock hook plate 3, the lock plate shaft 4, the lock hook 5, the locking pin 6, the locking pin spring 7, the spring pin 7-1, the elastic piece chuck 8, the door frame 9, the door leaf 10, the door frame 11, the lock hook hole 11-1, the baffle 11-2. Specific Embodiments

[0013] The following further elaborates on the present utility model in detail in conjunction with the drawings and specific embodiments:

[0014] An external door lock 1 is provided with a lock case 2. The lock case 2 is set as a rectangular shell. A lock hook plate 3 is arranged in the lock case 2. Lock hooks 5 and pressing lock pins 6 are respectively arranged at the same side of both ends of the lock hook plate 3. A lock plate shaft 4 is arranged in the middle of the lock hook plate 3. Both ends of the lock plate shaft 4 are fixedly connected with the plate surface of the lock case 2. A pressing lock pin spring 7 is arranged at one side of the lock plate shaft 4. A spring pin 7-1 is arranged at the position corresponding to the pressing lock pin spring 7 on one side of the lock hook plate 3. A spring seat is arranged on the rear side plate of the lock case 2 corresponding to the spring pin 7-1, and the pressing lock pin spring 7 is arranged between the spring seat and the spring pin 7-1. A door frame 9 is arranged at the rear part of the external door lock 1. A pair of opposed opening doors 10 are arranged outside the door frame 9. Lock hooks 5 and pressing lock pins 6 are respectively arranged between both sides of the pair of opposed opening doors 10 and the door frame 9.

[0015] A pair of elastic piece chucks 8 are arranged at both sides of the lock case 2. A pair of lock holes are reserved at both ends of the front side plate of the lock case 2. The openings of the pair of lock holes are respectively set as a pair of lock heads 2-1. Lock hooks 5 and pressing lock pins 6 are respectively arranged in the pair of lock heads 2-1. A mounting slot is reserved between the pair of lock heads 2-1 and the pair of elastic piece chucks 8 at the outer sides of the pair of lock heads 2-1. A pair of opposed opening doors 10 are arranged at the outer sides of the pair of lock heads 2-1. A door frame 11 is arranged at the inner side of the door 10. The pair of opposed opening doors 10 are respectively set as an inner opposed opening door 10 and an outer opposed opening door 10. A baffle 11-2 is arranged at the door frame side of the inner opposed opening door 10.

[0016] The inner side of the outer opposed opening door 10 is arranged corresponding to the pressing lock pin 6. A lock hook hole 11-1 is reserved at the position corresponding to the lock hook 5 on the door frame 11 of the inner opposed opening door 10, and the lock hook 5 is correspondingly arranged in the lock hook hole 11-1.

Claims

1. A locking device for the door of a steel cabinet, which consists of: a double-leaf door lock (1), a lock case (2), a lock head (2-1), a lock hook plate (3), a lock plate shaft (4), a lock hook (5), a locking pin (6), a locking pin spring (7), a spring pin (7-1), a spring piece chuck (8), a door frame (9), a door leaf (10), a door leaf frame (11), a lock hook hole (11-1), and a baffle plate (11-2). It is characterized in that: For the double-leaf door lock (1), a lock housing (2) is provided on the outside. The lock housing (2) is set as a rectangular housing. A lock hook plate (3) is arranged in the lock housing (2). Lock hooks (5) and locking pins (6) are respectively arranged on the same side at both ends of the lock hook plate (3). A lock plate shaft (4) is arranged in the middle of the lock hook plate (3). Both ends of the lock plate shaft (4) are fixedly connected to the plate surface of the lock housing (2); A locking pin spring (7) is arranged on one side of the lock plate shaft (4). A spring pin (7-1) is arranged at a position corresponding to the locking pin spring (7) on one side of the lock hook plate (3). A spring seat is arranged on the rear side plate of the lock housing (2) corresponding to the spring pin (7-1), and a locking pin spring (7) is arranged between the spring seat and the spring pin (7-1); A door frame (9) is arranged at the rear of the double-leaf door lock (1). A pair of double-leaf doors (10) are arranged on the outside of the door frame (9). Lock hooks (5) and locking pins (6) are respectively arranged between the two sides of the pair of double-leaf doors (10) and the door frame (9).

2. The locking device for the steel cabinet door according to claim 1, characterized in that: A pair of elastic piece chucks (8) are arranged on both sides of the lock housing (2). A pair of lock holes are reserved at both ends of the front side plate of the lock housing (2). The openings of the pair of lock holes are respectively set as a pair of lock heads (2-1). Lock hooks (5) and locking pins (6) are respectively arranged in the pair of lock heads (2-1). A mounting slot is reserved between the outside of the pair of lock heads (2-1) and the pair of elastic piece chucks (8); A pair of double-leaf doors (10) are arranged on the outside of the pair of lock heads (2-1). A door leaf frame (11) is arranged on the inner side of the door leaf (10); The pair of double-leaf doors (10) are respectively set as an inner double-leaf door (10) and an outer double-leaf door (10). A baffle (11-2) is arranged on the door frame side of the inner double-leaf door (10).

3. The locking device for the steel cabinet door lock according to claim 1, characterized in that: The inner side of the outer double-leaf door (10) is arranged corresponding to the locking pin (6). A lock hook hole (11-1) is reserved at a position corresponding to the lock hook (5) on the door leaf frame (11) of the inner double-leaf door (10). A lock hook (5) is correspondingly arranged in the lock hook hole (11-1).