Switch cabinet body with self-locking function

Abstract

The utility model discloses a switch cabinet body with a self-locking function, which relates to the technical field of switch cabinets and comprises a switch cabinet body, one end of the switch cabinet body is rotatably connected with a switch cabinet door, the middle of the switch cabinet door is fixedly connected with a door lock, and the upper end of the door lock is provided with a key hole. One end of a lock body rotationally connected with the upper end of the door lock is fixedly connected with a lock plate; one end of a first connecting rod rotationally connected with the lower end of the locking piece is rotationally connected with a second connecting rod, one end of the second connecting rod is rotationally connected with a connecting cylinder, one end of a telescopic spring fixedly connected in the connecting cylinder is fixedly connected with a third connecting rod, and one end of the third connecting rod is fixedly connected with a spring bolt. Compared with the prior art, the operation is convenient, the success rate of closing the switch cabinet body and the switch cabinet door is improved, and the working efficiency of an operator is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a switchgear cabinet technical field, especially in a kind of switchgear cabinet with self-locking function. BACKGROUND

[0002] Switchgear cabinet is a kind of electrical equipment, the main role of switchgear cabinet is in the process of power generation, transmission, distribution and electric energy conversion in power system, opening and closing, control and protection of electrical equipment, the components in switchgear cabinet mainly have circuit breaker, disconnecting switch, load switch, operating mechanism, mutual inductor and various protection devices etc.

[0003] In prior art, the switchgear cabinet door lock is disclosed in Chinese patent document with publication number CN2342064Y, the patent solves the phenomenon that switchgear cabinet is not opened when key is not screwed to position or is screwed to open position, but the device does not solve the existing switchgear cabinet in closing, the connection between switchgear cabinet door and switchgear cabinet body is not tight, when staff rotates key and door lock to lock switchgear cabinet, lock tongue does not rotate to the position of limiting switchgear cabinet door body and switchgear cabinet door, so that switchgear cabinet has not been effectively locked, staff needs to repeat operation, which brings certain inconvenience to staff's work, therefore, we disclose a kind of switchgear cabinet with self-locking function to meet the demand. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of switchgear cabinet with self-locking function to solve the problems raised in the above background.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of switchgear cabinet with self-locking function, including switchgear cabinet, the one end of the switchgear cabinet is rotatably connected with switchgear cabinet door, the middle part of the switchgear cabinet door is fixedly connected with door lock, the upper end of the door lock is provided with keyhole, the lock body one end rotatably connected with the door lock is fixedly connected with lock piece;The first connecting rod one end rotatably connected with the lower end of the lock piece is rotatably connected with second connecting rod, the one end of the second connecting rod is rotatably connected with connecting barrel, the one end of the telescopic spring fixedly connected in the connecting barrel is fixedly connected with third connecting rod, and the one end of the third connecting rod is fixedly connected with lock tongue.

[0006] Preferably, the lower end of the door lock is fixedly connected with limiting body, and the moving hole in the limiting body is slidably connected with the connecting barrel.

[0007] Preferably, the lock tongue includes rectangle and semicircle in plan view.

[0008] Preferably, the third connecting rod is T-shaped in elevation view, and the third connecting rod is slidably connected in the connecting barrel.

[0009] Preferably, the lock tongue is in sliding connection with the switch cabinet body and the switch cabinet door.

[0010] Preferably, the lock piece is in movable clamping connection with the switch cabinet body and the switch cabinet door.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. The utility model discloses a reasonable structure, through the key is inserted into the lock body through the keyhole, then rotates the key, makes the key drive lock body and lock piece rotate, thereby making the lock piece rotate to disconnect with the clamping of switch cabinet body, when the lock piece rotates, the first connecting rod drives the second connecting rod to move, the second connecting rod drives the connecting barrel to move, one end fixed connection of telescopic spring fixedly connected in the connecting barrel is provided with the third connecting rod, makes the connecting barrel move through the third connecting rod and drive lock tongue to rotate to connect with the switch cabinet body, then operator rotates the switch cabinet door to the opening direction, makes the lock tongue after being stressed and pushes third connecting rod and compresses telescopic spring, thereby making the lock tongue disconnect with the switch cabinet body, then can open the switch cabinet door, does not need additional operation step, solves the problem that the switch cabinet body cannot use the traditional door lock with self -locking function.

[0013] 2. In the utility model, when the switch cabinet door and the switch cabinet body are combined by rotating, the lock tongue is compressed through the third connecting rod and compresses the telescopic spring, when the operator rotates the switch cabinet door to the connecting position of the lock tongue and the switch cabinet body, the lock tongue and the third connecting rod are not compressed, and the telescopic spring returns to the original position, at this time, the lock tongue helps the switch cabinet body and the switch cabinet door to close and is limited in position, so that when the operator rotates the key and drives the lock piece to rotate, the lock piece can find the position of the switch cabinet body and the switch cabinet door closed once, and the operation is convenient, the success rate of the switch cabinet body and the switch cabinet door closed is improved, and the working efficiency of the operator is improved. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the partial cutaway three-dimensional structure schematic diagram of the switch cabinet body and the switch cabinet door of the utility model;

[0016] Figure 3 It is the partial cutaway three-dimensional structure schematic diagram of the switch cabinet door and the connecting barrel of the utility model;

[0017] Figure 4 It is the side view structure schematic diagram of the door lock and the lock body of the utility model.

[0018] In the figure: 1, switch cabinet body; 2, switch cabinet door; 3, door lock; 4, keyhole; 5, lock body; 6, lock piece; 7, first connecting rod; 8, limiting body; 9, second connecting rod; 10, connecting cylinder; 11, telescopic spring; 12, third connecting rod; 13, lock tongue; 14, moving hole. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0020] The present application provides Figures 1-4The illustrated switch cabinet body with self-locking function, including switch cabinet body 1, one end of switch cabinet body 1 is rotatably connected with switch cabinet door 2, the middle part of switch cabinet door 2 is fixedly connected with door lock 3, the upper end of door lock 3 is provided with key hole 4, one end of lock body 5 rotatably connected with door lock 3 is fixedly connected with lock piece 6, one end of first connecting rod 7 rotatably connected with the lower end of lock piece 6 is rotatably connected with second connecting rod 9, one end of second connecting rod 9 is rotatably connected with connecting cylinder 10, one end of telescopic spring 11 fixedly connected in connecting cylinder 10 is fixedly connected with third connecting rod 12, one end of third connecting rod 12 is fixedly connected with lock tongue 13, when using, one end of switch cabinet body 1 is rotatably connected with switch cabinet door 2, the middle part of switch cabinet door 2 is fixedly connected with door lock 3, the upper end of door lock 3 is provided with key hole 4, one end of lock body 5 rotatably connected with door lock 3 is fixedly connected with lock piece 6, so that the operator inserts the key into the lock body 5 through the key hole 4, then rotates the key, so that the key drives the lock body 5 and the lock piece 6 to rotate, so that the lock piece 6 is rotated to disconnect with the clamping of the switch cabinet body 1, one end of first connecting rod 7 rotatably connected with the lower end of lock piece 6 is rotatably connected with second connecting rod 9, so that the lock piece 6 drives the second connecting rod 9 to move through the first connecting rod 7 when rotating, one end of second connecting rod 9 is rotatably connected with connecting cylinder 10, so that the second connecting rod 9 drives the connecting cylinder 10 to move, one end of telescopic spring 11 fixedly connected in connecting cylinder 10 is fixedly connected with third connecting rod 12, one end of third connecting rod 12 is fixedly connected with lock tongue 13, so that the connecting cylinder 10 drives the lock tongue 13 to rotate to connect with the switch cabinet body 1 through the third connecting rod 12 when moving, then the operator rotates the switch cabinet door 2 to the opening direction, so that the lock tongue 13 drives the third connecting rod 12 to compress the telescopic spring 11 after being stressed, so that the connection between the lock tongue 13 and the switch cabinet body 1 is disconnected, then the switch cabinet door 2 can be opened, when closing the switch cabinet door 2 again, when rotating the switch cabinet door 2 to combine with the switch cabinet body 1, the lock tongue 13 is extruded to compress the telescopic spring 11 through the third connecting rod 12, when the operator rotates the switch cabinet door 2 to the connecting position of the lock tongue 13 and the switch cabinet body 1, the lock tongue 13 and the third connecting rod 12 are not extruded, the telescopic spring 11 returns to the original position, at this time, the lock tongue 13 helps to limit the position of the switch cabinet body 1 and the switch cabinet door 2 after being closed, so that the operator rotates the key to drive the lock piece 6 to rotate, the lock piece 6 can find the position to limit the position of the switch cabinet body 1 and the switch cabinet door 2 after being closed at one time, the operation is convenient, and the success rate of closing the switch cabinet body 1 and the switch cabinet door 2 is improved.

[0021] As a preferred embodiment in the present embodiment, reference is made to the accompanying drawings Figure 3The lower end of the door lock 3 is fixedly connected with a limiting body 8, and a moving hole 14 formed in the limiting body 8 is slidably connected with the connecting barrel 10, so that the door lock 3 can limit the position of the limiting body 8, the limiting body 8 limits the position of the connecting barrel 10 through the moving hole 14, the connecting barrel 10 drives the latch bolt 13 to move in the required direction through the third connecting rod 12, and the device can be smoothly used.

[0022] As a preferred embodiment in the embodiment, refer to the attached drawings Figure 2 and Figure 3 The top view of the latch bolt 13 comprises a rectangle and a semicircle, the latch bolt 13 is slidably connected with the switch cabinet body 1 and the switch cabinet door 2, the lock piece 6 is movably clamped with the switch cabinet body 1 and the switch cabinet door 2, the front view of the third connecting rod 12 is T-shaped, the third connecting rod 12 is slidably connected in the connecting barrel 10, the top view of the latch bolt 13 comprises a rectangle and a semicircle, so that the latch bolt 13 can move in the direction of extruding the third connecting rod 12 and the telescopic spring 11 when being extruded by external force, the device can be smoothly used, the latch bolt 13 can preliminarily limit the position of the switch cabinet body 1 and the switch cabinet door 2 after being connected, the locking of the switch cabinet body 1 and the switch cabinet door 2 is facilitated, the lock piece 6 can limit the relative position of the switch cabinet body 1 and the switch cabinet door 2 to be fixed, the front view of the third connecting rod 12 is T-shaped, so that the connecting barrel 10 can drive the third connecting rod 12 to move, the third connecting rod 12 is slidably connected in the connecting barrel 10, so that the connecting barrel 10 can limit the moving position of the third connecting rod 12, thereby limiting the moving position of the latch bolt 13, and the device can be smoothly used.

[0023] The utility model works: when using, the operator inserts the key into the lock body 5 through the key hole 4, then rotates the key, so that the key drives the lock body 5 and the lock piece 6 to rotate, thereby making the lock piece 6 rotate to disconnect the clamping of the switch cabinet body 1, when the lock piece 6 rotates, the first connecting rod 7 drives the second connecting rod 9 to move, the second connecting rod 9 drives the connecting barrel 10 to move, one end of the telescopic spring 11 fixedly connected in the connecting barrel 10 is fixedly connected with the third connecting rod 12, one end of the third connecting rod 12 is fixedly connected with the latch bolt 13, so that the connecting barrel 10 moves and drives the latch bolt 13 to rotate to be connected with the switch cabinet body 1, then the operator rotates the switch cabinet door 2 to the opening direction, so that the latch bolt 13 drives the third connecting rod 12 to compress the telescopic spring 11 after being stressed, thereby making the connection between the latch bolt 13 and the switch cabinet body 1 disconnected, then the switch cabinet door 2 can be opened, without additional operation steps, the problem that the switch cabinet body cannot use the traditional door lock with self-locking function is solved.

[0024] When the switch cabinet door 2 is closed again, the lock tongue 13 is extruded and compresses the telescopic spring 11 through the third connecting rod 12 when the switch cabinet door 2 is combined with the switch cabinet body 1, and when the operator pushes the switch cabinet door 2 to rotate to the connecting position of the lock tongue 13 and the switch cabinet body 1, the lock tongue 13 and the third connecting rod 12 are not extruded, and the telescopic spring 11 returns to the original position, at this time, the lock tongue 13 helps to limit the closed position of the switch cabinet body 1 and the switch cabinet door 2, so that when the operator rotates the key to drive the lock piece 6 to rotate, the lock piece 6 can find the position to limit the closed position of the switch cabinet body 1 and the switch cabinet door 2 at one time, which is convenient to operate, improves the success rate when the switch cabinet body 1 and the switch cabinet door 2 are closed, and improves the work efficiency of the operator.

[0025] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the protection scope of the present application.

Claims

1. A switch cabinet with a self-locking function, comprising a switch cabinet (1), characterized in that: One end of the switch cabinet (1) is rotatably connected to a switch cabinet door (2), and a door lock (3) is fixedly connected to the middle of the switch cabinet door (2). A keyhole (4) is opened at the upper end of the door lock (3), and a lock plate (6) is fixedly connected to one end of the lock body (5) rotatably connected to the upper end of the door lock (3). The first connecting rod (7) rotatably connected to the lower end of the locking plate (6) is rotatably connected to a second connecting rod (9), and a connecting cylinder (10) rotatably connected to one end of the second connecting rod (9). A telescopic spring (11) fixedly connected inside the connecting cylinder (10) is fixedly connected to a third connecting rod (12), and a locking tongue (13) is fixedly connected to one end of the third connecting rod (12).

2. A switch cabinet with self-locking function according to claim 1, characterized in that: The lower end of the door lock (3) is fixedly connected to a limiting body (8), and the movable hole (14) opened in the limiting body (8) is slidably connected to the connecting cylinder (10).

3. A switch cabinet with self-locking function according to claim 1, characterized in that: The top view of the latch (13) includes a rectangle and a semicircle.

4. A switch cabinet with self-locking function according to claim 1, characterized in that: The front view of the third connecting rod (12) is T-shaped, and the third connecting rod (12) is slidably connected inside the connecting cylinder (10).

5. A switch cabinet with self-locking function according to claim 1, characterized in that: The latch (13) is slidably connected to the switch cabinet body (1) and the switch cabinet door (2).

6. A switch cabinet with self-locking function according to claim 1, characterized in that: The locking plate (6) is movably engaged with the switch cabinet body (1) and the switch cabinet door (2).

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