A door lock structure of a cabinet door

Abstract

The utility model belongs to the technical field of lockset, and specifically points out a door lock structure of cabinet door, it includes: casing, is located in the cabinet door inboard, transmission part, rotatably located in the casing, drive rack, is located in the casing and is connected with transmission part transmission, lock rack and lower lock rack, all are located in the casing and are respectively connected with transmission part's opposite sides transmission, operating part, is connected with drive rack, lock rod, is connected with lock rack, lower lock rod, is connected with lower lock rack, wherein, transmission part will drive rack's movement be converted into lock rack and lower lock rack's reverse movement. The utility model discloses through above-mentioned technical scheme can obtain a kind of cabinet door door lock structure of operation intuitive, transmission stable, locking reliable.

Description

Technical Field

[0001] This utility model belongs to the field of lock technology, and specifically refers to a door lock structure for a cabinet door. Background Technology

[0002] Communication cabinets are widely used to house and protect outdoor communication equipment, and have high requirements for the waterproof and dustproof performance and operational reliability of the door lock structure.

[0003] Existing communication cabinet door locks mostly use a rotary handle in conjunction with a linkage mechanism to drive the upper and lower locking rods for locking. This results in problems such as indirect operation feel and difficulty in sensing the locking status. Furthermore, the linkage mechanism is prone to wear after long-term use, leading to transmission jamming or asynchronous locking, which affects the sealing performance and service life of the cabinet door. Therefore, there is an urgent need for a cabinet door lock structure that is intuitive to operate, has smooth transmission, and reliable locking. Utility Model Content

[0004] The purpose of this utility model is to provide a door lock structure for a cabinet door, which drives the rack to move linearly, and through the transmission component, drives the upper and lower locking racks to move in opposite directions, thereby achieving synchronous locking of the upper and lower locking rods, in order to solve the problems mentioned in the background art.

[0005] The purpose of this utility model is achieved as follows: a cabinet door lock structure, comprising: The outer casing is located inside the cabinet door; The transmission component is rotatably disposed within the housing; A drive rack is disposed within the housing and is connected to the transmission component for transmission. Both the upper and lower locking racks are located inside the housing and are respectively connected to the opposite sides of the transmission component. The operating element is connected to the drive rack; The upper locking rod is connected to the upper locking rack; The lower locking rod is connected to the lower locking rack; The transmission component converts the movement of the drive rack into the opposite movement of the upper locking rack and the lower locking rack.

[0006] The present invention is further configured such that one end of the operating member passes through the cabinet door and is connected to the drive rack.

[0007] The present invention is further configured such that the transmission component is a gear shaft, the gear shaft is provided with a gear portion, and the driving rack, the upper locking rack and the lower locking rack are all meshed with the gear portion.

[0008] The present invention is further configured such that the moving directions of the driving rack, the upper locking rack, and the lower locking rack intersect.

[0009] The present invention is further configured such that the housing is provided with a guide portion, the guide portion including a first guide portion and a second guide portion, the first guide portion being used to guide the drive rack, and the second guide portion being used to guide the upper locking rack and the lower locking rack.

[0010] The present invention is further provided that the ends of the upper locking rod and the lower locking rod are provided with lock heads that are inserted and engaged with the cabinet body.

[0011] By adopting the above technical solution, the beneficial effects that this utility model can achieve are: 1. The linear movement of the drive rack is directly driven by the operating component, which in turn drives the transmission component to transmit the motion synchronously to the upper and lower locking racks. This achieves a direct transmission of operating force and locking status, improving the intuitiveness of operation and tactile feedback.

[0012] 2. By simultaneously engaging the transmission components with the drive rack, upper locking rack, and lower locking rack, and guided by the guide part, each rack moves smoothly, achieving precise synchronous locking of the upper and lower locking rods, thus improving the smoothness of the transmission and the reliability of the locking.

[0013] 3. By integrating components such as the drive rack, upper locking rack, and lower locking rack into the housing, a modular transmission mechanism is formed, which is convenient for installation on the inside of the cabinet door and has a compact structure, improving the product's integration and installation adaptability. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural schematic diagram of the present invention; Figure 2 This is a cross-sectional structural diagram of the present invention.

[0015] The reference numerals in the figure are as follows: 1. Housing; 2. Cabinet door; 3. Transmission component; 4. Drive rack; 5. Upper locking rack; 6. Lower locking rack; 7. Operating component; 8. Upper locking rod; 9. Lower locking rod; 10. Gear section; 11. First guide section; 12. Second guide section; 13. Lock head; 14. Cabinet body. Detailed Implementation

[0016] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. See also: Figure 1-2 : Example 1:

[0017] This embodiment provides a cabinet door lock structure, including: The housing 1 is located inside the cabinet door 2; The transmission component 3 is rotatably disposed within the housing 1; The drive rack 4 is disposed inside the housing 1 and is connected to the transmission component 3 for transmission. The upper locking rack 5 and the lower locking rack 6 are both located inside the housing 1 and are respectively connected to the opposite sides of the transmission component 3. Operating component 7 is connected to the drive rack 4; The upper locking rod 8 is connected to the upper locking rack 5; The lower locking rod 9 is connected to the lower locking rack 6; The transmission component 3 converts the movement of the drive rack 4 into the reverse movement of the upper locking rack 5 and the lower locking rack 6.

[0018] The housing 1 is the mounting base of this utility model. It has an overall box-like structure and can be fixed to the inner surface of the cabinet door 2 by screws or welding. The interior of the housing 1 forms a receiving space to accommodate and support the various components of the transmission mechanism, while also serving as a dustproof and protective function.

[0019] The transmission component 3 is installed inside the housing 1 and has an overall shaft-like structure. Both ends are rotatably connected to the housing 1 via bearings or shaft holes, allowing it to rotate freely around its own axis within the housing 1. A gear section 10 is located in the middle of the transmission component 3, with teeth distributed on its outer circumference for meshing with the rack to transmit power. The function of the transmission component 3 is to convert the linear motion of the driving rack 4 into its own rotational motion, and further transmit this rotational motion to the upper locking rack 5 and the lower locking rack 6.

[0020] The transmission component 3 engages simultaneously with the drive rack 4, the upper locking rack 5, and the lower locking rack 6 via a single gear part 10. This "one tooth driving three teeth" transmission layout ensures that the movement of the drive rack 4 can be synchronously transmitted to the upper locking rack 5 and the lower locking rack 6, so that the two produce movements of equal magnitude and opposite direction, thereby achieving synchronous locking of the upper and lower locking rods 9 and avoiding the asynchronous problems that may occur in the linkage transmission.

[0021] The drive rack 4 is installed inside the housing 1 and has an overall elongated structure. One side of the rack has teeth that mesh with the gear section 10 of the transmission component 3. The drive rack 4 is slidably arranged within the housing 1, and its two ends or sides cooperate with guide structures provided on the housing 1, allowing the drive rack 4 to move horizontally in a straight line along its length. One end of the drive rack 4 is connected to the operating component 7 to receive the driving force transmitted by the operating component 7. The function of the drive rack 4 is to input the pushing and pulling force of the operating component 7 into the transmission mechanism, serving as the power source for the entire locking action.

[0022] The drive rack 4 adopts a linear movement method. Compared with the traditional rotary handle drive, the transmission path of the operating force is shorter and more direct. The operator can directly feel the moving resistance of the drive rack 4 by hand, thereby judging whether the locking mechanism is running smoothly and whether the locking is in place.

[0023] Both the upper locking rack 5 and the lower locking rack 6 are installed inside the housing 1. They have similar structures, both being elongated strips, with teeth on one side that mesh with the gear section 10 of the transmission component 3. The upper locking rack 5 and the lower locking rack 6 are slidably arranged within the housing 1, located on the upper and lower sides of the transmission component 3, respectively, with their teeth meshing with the opposite sides of the gear section 10. The moving directions of the upper locking rack 5 and the lower locking rack 6 are perpendicular to the moving direction of the drive rack 4. The function of the upper locking rack 5 and the lower locking rack 6 is to convert the rotational motion of the transmission component 3 into its own vertical linear motion, thereby driving the upper locking rod 8 and the lower locking rod 9 to move synchronously.

[0024] The operating component 7 adopts a handle structure and is located on the outside of the cabinet door 2. One end of the operating component 7 extends through a through hole in the cabinet door 2 to the inside of the cabinet door 2, and is fixedly connected to the end of the drive rack 4 by means of threaded connection or pin connection. The operating component 7 is used to receive manual pushing and pulling force and directly transmit the operating force to the drive rack 4, driving it to reciprocate in the horizontal direction.

[0025] The locking rod 8 is a slender rod-shaped structure, arranged vertically. The lower end of the locking rod 8 is fixedly connected to the upper part of the locking rack 5 by welding or threaded connection, allowing both to move synchronously. The upper end of the locking rod 8 extends upwards, protruding through the top of the cabinet door 2 when locked. The function of the locking rod 8 is to move upwards under the action of the locking rack 5, thereby locking the top of the cabinet door 2.

[0026] The lower locking rod 9 is a slender rod-shaped structure, set vertically. The upper end of the lower locking rod 9 is fixedly connected to the lower part of the lower locking rack 6 by welding or threaded connection, allowing both to move synchronously. The lower end of the lower locking rod 9 extends downwards, allowing it to protrude through the bottom of the cabinet door 2 when locked. The function of the lower locking rod 9 is to move downwards under the action of the lower locking rack 6, thereby locking the bottom of the cabinet door 2.

[0027] Both the upper locking rod 8 and the lower locking rod 9 have a lock head 13 at their ends. The lock head 13 is made by integral molding with the locking rod or by separate welding, and its radial dimension is larger than that of the locking rod body. The lock head 13 is used to insert into the corresponding lock hole on the cabinet 14 in the locked state to achieve a plug-in engagement with the cabinet 14, thereby locking the cabinet door 2 to the cabinet 14.

[0028] The housing 1 is provided with a guide section, which includes a first guide section 11 and a second guide section 12. The first guide section 11 is a guide rail structure provided on the inner wall of the housing 1, which slides in cooperation with the sides or bottom of the drive rack 4 to guide the drive rack 4 to move smoothly in the horizontal direction. The second guide section 12 is a guide rail structure provided on the inner wall of the housing 1, which slides in cooperation with the sides or back of the upper locking rack 5 and the lower locking rack 6 respectively, to guide the upper locking rack 5 and the lower locking rack 6 to move smoothly in the vertical direction.

[0029] When cabinet door 2 needs to be locked, the operator pushes the operating component 7 inward towards the inside of cabinet door 2. The operating component 7 drives the drive rack 4 connected to it to move horizontally inward towards the inside of the housing 1. During the movement, the tooth surface of the drive rack 4 meshes with the gear part 10 of the transmission component 3, driving the transmission component 3 to rotate around its axis. The rotational motion of the transmission component 3 is transmitted through the gear part 10 to the upper locking rack 5 and the lower locking rack 6 meshing with it on opposite sides, causing the upper locking rack 5 to move upward and the lower locking rack 6 to move downward. The upper locking rack 5 drives the upper locking rod 8 connected to it to move upward synchronously, so that the lock head 13 at the end of the upper locking rod 8 extends out of the top of cabinet door 2 and inserts into the lock hole in the upper part of cabinet body 14; at the same time, the lower locking rack 6 drives the lower locking rod 9 connected to it to move downward synchronously, so that the lock head 13 at the end of the lower locking rod 9 extends out of the bottom of cabinet door 2 and inserts into the lock hole in the lower part of cabinet body 14, realizing multi-point synchronous locking of cabinet door 2 and cabinet body 14. When cabinet door 2 needs to be opened, the operator pulls the operating component 7 away from cabinet door 2, driving the rack 4 to move outward. The transmission component 3 rotates in the opposite direction, causing the upper locking rack 5 to move downward and the lower locking rack 6 to move upward, thereby causing the lock head 13 at the end of the upper locking rod 8 and the lower locking rod 9 to exit from the lock hole of the cabinet body 14, thus unlocking the cabinet.

[0030] The above embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of protection of the present utility model. Therefore, all equivalent changes made to the structure, shape, and principle of the present utility model should be covered within the scope of protection of the present utility model.

Claims

1. A door lock structure for a cabinet door, characterized in that, include: The housing (1) is located inside the cabinet door (2); The transmission component (3) is rotatably disposed within the housing (1); A drive rack (4) is disposed inside the housing (1) and is connected to the transmission component (3) for transmission. The upper locking rack (5) and the lower locking rack (6) are both located inside the housing (1) and are respectively connected to the opposite sides of the transmission component (3); The operating element (7) is connected to the drive rack (4); The upper locking rod (8) is connected to the upper locking rack (5); The lower locking rod (9) is connected to the lower locking rack (6); The transmission component (3) converts the movement of the drive rack (4) into the opposite movement of the upper locking rack (5) and the lower locking rack (6).

2. The door lock structure for a cabinet door according to claim 1, characterized in that, One end of the operating component (7) passes through the cabinet door (2) and is connected to the drive rack (4).

3. The door lock structure for a cabinet door according to claim 1, characterized in that, The transmission component (3) is a gear shaft, on which a gear part (10) is provided. The drive rack (4), the upper locking rack (5) and the lower locking rack (6) all mesh with the gear part (10).

4. The door lock structure for a cabinet door according to claim 1, characterized in that, The moving directions of the drive rack (4), the upper locking rack (5), and the lower locking rack (6) intersect.

5. The door lock structure for a cabinet door according to claim 1, characterized in that, The housing (1) is provided with a guide portion, which includes a first guide portion (11) and a second guide portion (12). The first guide portion (11) is used to guide the drive rack (4), and the second guide portion (12) is used to guide the upper lock rack (5) and the lower lock rack (6).

6. The door lock structure for a cabinet door according to claim 1, characterized in that, The ends of the upper locking rod (8) and the lower locking rod (9) are provided with lock heads (13) that are inserted into the cabinet (14).

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