Cabinet door connecting device with self-locking function

Abstract

A cabinet door connecting device with a self-locking function effectively solves the problem that a cabinet door of a power distribution cabinet is not positioned. Comprising a rotating shaft located at the end of a cabinet door, the rotating shaft is hollow, a control rod extending into the rotating shaft is rotatably arranged in the cabinet door, the part, located in the rotating shaft, of the control rod is provided with an arc-shaped face, a limiting block is telescopically arranged on the rotating shaft, and the inner end of the limiting block makes contact with the arc-shaped face; the outer end of the limiting block is in contact with a mounting hole in the cabinet body to form friction positioning to lock the position of the cabinet door, the control rod is communicated with a handle mandrel at the front end of the cabinet door, and the handle rotates to drive the control rod to rotate; the cabinet door connecting device is simple and ingenious in structure and convenient to use, the cabinet door can be stopped at any opening angle through the cabinet door connecting device, shaking of the cabinet door is reduced, and therefore maintenance is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of cabinet doors, in particular to a cabinet door connecting device with a self-locking function. Background Art

[0002] Most distribution cabinet doors are connected to the cabinet body by a rotating shaft. The doors are in a free state and have no positioning function. When the doors are opened, they are easily moved back and forth by the wind, affecting the maintenance of electrical components inside the cabinet. Utility Model Content

[0003] In order to overcome the defects of the prior art, the utility model provides a cabinet door connecting device with a self-locking function, which effectively solves the problem that the cabinet door of the distribution cabinet is not positioned.

[0004] The technical solution to the technical problem is: a cabinet door connection device with a self-locking function, including a rotating shaft located at the end of the cabinet door, the interior of the rotating shaft is hollow, and a control rod extending into the interior of the rotating shaft is provided for rotation inside the cabinet door. The control rod is located inside the rotating shaft and is provided with an arc-shaped surface. A limit block is telescopically provided on the rotating shaft, and the inner end of the limit block contacts the arc-shaped surface. When the control rod rotates, the arc-shaped surface pushes the limit block out of the rotating shaft, and the outer end of the limit block contacts the mounting hole on the cabinet body to form friction positioning to lock the cabinet door position. The control rod is connected to the handle core shaft at the front end of the cabinet door, and the rotation of the handle causes the control rod to rotate.

[0005] Preferably, a torsion spring is provided on the inner portion of the control rod located in the cabinet door, and the torsion spring is used to reset the control rod.

[0006] Preferably, a pull rope is provided between the control rod and the handle core shaft, and when the handle is rotated, the pull rope pulls the control rod to rotate.

[0007] Preferably, a notch is provided on the outside of the rotating shaft, the limit block is extended and retracted at the notch, a slide groove is provided at the notch, slide rods sliding in the slide groove extend from both sides of the limit block, a spring is provided between the slide rod and the slide groove, and the spring pushes the slide rod inward.

[0008] The utility model has a simple and ingenious structure and is easy to use. Through the cabinet door connecting device, the cabinet door can be stopped at any opening angle, reducing the shaking of the cabinet door, thereby facilitating maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 The utility model is a structural schematic diagram of a cabinet door connecting device with a self-locking function.

[0010] Figure 2 The utility model is a cross-sectional schematic diagram of a cabinet door connecting device with a self-locking function.

[0011] Figure 3The utility model is a top view and cross-sectional schematic diagram of a cabinet door connecting device with a self-locking function.

[0012] Figure 4 The utility model is a structural schematic diagram of a cabinet door connecting device with a self-locking function without a limit block.

[0013] Figure 5 The utility model is a structural schematic diagram of a limit block in a cabinet door connecting device with a self-locking function. DETAILED DESCRIPTION

[0014] The specific implementation of the present invention will be further described in detail below with reference to the accompanying drawings.

[0015] Depend on Figures 1 to 5 It can be seen that a cabinet door connection device with a self-locking function includes a rotating shaft 2 located at the end of the cabinet door 1, the interior of the rotating shaft 2 is hollow, and a control rod 3 extending into the interior of the rotating shaft 2 is provided inside the cabinet door 1 for rotation. The control rod 3 is located inside the rotating shaft 2 and is provided with an arc surface 4. A limit block 5 is telescopically provided on the rotating shaft 2, and the inner end of the limit block 5 contacts the arc surface 4. When the control rod 3 rotates, the arc surface 4 pushes the limit block 5 to extend out of the rotating shaft 2, and the outer end of the limit block 5 contacts the mounting hole on the cabinet body to form a friction positioning to lock the position of the cabinet door 1. The control rod 3 is connected to the core shaft of the handle 6 at the front end of the cabinet door 1, and the rotation of the handle 6 causes the control rod 3 to rotate.

[0016] When the utility model is used,

[0017] Install the cabinet door 1 on the cabinet body. Under normal conditions, the limit block 5 extends outward from the rotating shaft 2 and contacts the inner wall of the mounting hole of the cabinet body to form a friction positioning, so that the relative position of the cabinet door 1 and the cabinet body is locked. When the cabinet door 1 needs to be rotated, the handle 6 is turned to rotate the control rod 3. The rotation of the control rod 3 allows the limit block 5 to retract into the inside of the rotating shaft 2, thereby releasing the lock between the cabinet body and allowing the cabinet door 1 to be opened freely.

[0018] The control rod 3 is located on the inner part of the cabinet door 1 and is provided with a torsion spring 7, which is used to reset the control rod 3. A pull rope 8 is provided between the control rod 3 and the core axis of the handle 6. The pull rope 8 is wrapped around the control rod 3. When the handle 6 is turned, the pull rope 8 pulls the control rod 3 to rotate.

[0019] In the absence of external force, the torsion spring 7 rotates the control rod 3, so that the arc surface 4 that cooperates with the limit block 5 pushes the limit block 5 to extend outward, and the outer side of the limit block 5 cooperates with the mounting hole to complete the locking of the cabinet door 1. When unlocking, turn the handle 6, and by pulling the handle, the control rod 3 rotates, and the limit block 5 retracts to achieve unlocking.

[0020] A notch 9 is provided on the outside of the rotating shaft 2, and the limit block 5 is extended and retracted at the notch 9. A slide groove 10 is provided at the notch 9. Slide rods 11 that slide in the slide groove 10 extend from both sides of the limit block 5. A spring is provided between the slide rod 11 and the slide groove 10, and the spring pushes the slide rod 11 inward.

[0021] The limit block 5 is always subjected to an inward force under the action of the spring, and the inner side of the limit block 5 is always in contact with the arc surface 4. Therefore, when the control rod 3 rotates, the limit block 5 can be extended and retracted, thereby achieving locking and unlocking with the cabinet body.

[0022] Compared with the prior art, the present invention has the following beneficial effects: a self-locking mechanism is provided in the rotating shaft of the cabinet door, which can realize the positioning of the cabinet door at any position, thereby reducing the shaking of the cabinet door and reducing the impact of the cabinet door on the interior of the distribution cabinet during maintenance, thereby ensuring smooth progress of the work.

Claims

1. A cabinet door connection device with a self-locking function, characterized in that: The invention comprises a rotating shaft (2) located at the end of the cabinet door (1), wherein the interior of the rotating shaft (2) is hollow, and a control rod (3) extending into the interior of the rotating shaft (2) is provided for rotation inside the cabinet door (1), and the control rod (3) is provided with an arc surface (4) on the part located inside the rotating shaft (2), and a limit block (5) is telescopically provided on the rotating shaft (2), wherein the inner end of the limit block (5) contacts the arc surface (4), and when the control rod (3) rotates, the arc surface (4) pushes the limit block (5) to extend out of the rotating shaft (2), and the outer end of the limit block (5) contacts the mounting hole on the cabinet body to form friction positioning to lock the position of the cabinet door (1), and the control rod (3) is connected to the core shaft of the handle (6) at the front end of the cabinet door (1), and the rotation of the handle (6) causes the control rod (3) to rotate.

2. A cabinet door connection device with a self-locking function according to claim 1, characterized in that: The control rod (3) is located inside the cabinet door (1) and is provided with a torsion spring (7), which is used to reset the control rod (3).

3. The cabinet door connection device with a self-locking function according to claim 1, characterized in that: A pull rope (8) is provided between the control rod (3) and the core shaft of the handle (6); when the handle (6) is rotated, the pull rope (8) pulls the control rod (3) to rotate.

4. A cabinet door connection device with a self-locking function according to claim 1, characterized in that: A notch (9) is provided on the outer side of the rotating shaft (2), the limit block (5) is extended and retracted at the notch (9), a slide groove (10) is provided at the notch (9), and slide rods (11) sliding in the slide groove (10) are extended from both sides of the limit block (5), and a spring is provided between the slide rod (11) and the slide groove (10), and the spring pushes the slide rod (11) inward.

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