Switch cabinet door lock structure

Abstract

The utility model belongs to the technical field of switch cabinet equipment, and particularly relates to a switch cabinet door lock structure which comprises a cabinet door, a lock plate, a lock hole, a lock catch and a driving block, the lock hole is divided into an unlocking part and a locking part, the unlocking part is larger than the lock catch, the locking part is smaller than the lock catch, the lock catch is provided with a lock groove, and the driving block comprises an inclined driving surface, a plane and a bending part. The horizontal thrust generated when the cabinet door is closed can be converted into vertical movement power of the lock plate through the rolling wheels, additional driving parts are not needed, upward movement positioning and downward movement locking of the lock plate can be completed through the cabinet door closing kinetic energy, and compared with a traditional manual adjusting lock, the locking efficiency is remarkably improved; after the lock plate is locked, secondary locking is formed, misoperation of the handle caused by vibration, collision and the like is effectively resisted, the high requirements of electric power operation and maintenance, equipment overhaul and the like for safety and operation convenience are met, the structure is ingenious, and the safety is enhanced while the operation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of switch cabinet equipment, and specifically relates to a switch cabinet door lock structure. BACKGROUND

[0002] The switch cabinet door lock is a key component for ensuring safe operation of the switch cabinet, is widely applied to the fields of electric power and industrial control, and plays a vital role in daily operation and maintenance of various switch cabinet equipment, and its performance directly influences normal use and safe operation of the equipment.

[0003] The existing switch cabinet door lock mainly comprises the following parts: a lock plate, a lock catch, a handle, a lock core and the like, and the working principle is as follows: the lock core is rotated by operating the handle or a key, the lock plate is driven to move, the lock hole on the lock plate is aligned with or separated from the lock catch on the cabinet body, and the locking and opening of the cabinet door are realized.

[0004] At present, the switch cabinet door lock in the prior art has the following shortcomings: in the fields of electric power and industrial control, the safety and operation efficiency of the door lock of the switch cabinet are crucial, the conventional switch cabinet door lock structure usually adopts a manual adjustment mode, an operator needs to separately control the lock plate to ascend and descend through the handle or the knob, and the conventional lock mainly relies on a single locking structure, and locking is realized only by the direct cooperation of the lock hole and the lock catch, in the long-term operation process, the lock plate may be accidentally moved due to equipment vibration, or the handle is misoperated due to accidental touch, and there is a safety hazard that the cabinet door is accidentally opened, especially in the scenes of high-voltage power distribution and precise equipment control, which have extremely high safety requirements, the anti-misoperation and anti-interference capabilities of the conventional lock have been difficult to meet the actual requirements, and therefore, the switch cabinet door lock structure is proposed for the above problems. UTILITY MODEL CONTENTS

[0005] In order to make up for the deficiencies of the existing switch cabinet door lock, the switch cabinet door lock structure is proposed.

[0006] The utility model discloses a switch cabinet door lock structure, including the cabinet door, the lock plate is assembled movably in the cabinet door, the lock hole is seted up on the lock plate, the lock hole includes the unlocking portion and the locking portion, the unlocking portion is located the direct below of the locking portion, and the lock catch that cooperates with the lock hole is arranged on the cabinet body, the size of the unlocking portion is greater than the lock catch, and the size of the locking portion is less than the lock catch, the lock catch is seted up with the lock slot that cooperates with the locking portion, and the driving block for driving the lock plate to move and make its lock hole and the lock catch lock each other is arranged on the cabinet body.

[0007] Preferably, the driving block includes an inclined driving surface for driving the lock plate to move upwards, a flat surface for not driving the lock plate to move, and a bent portion for driving the lock plate to move downwards.

[0008] Preferably, the bottom end of the lock plate is rotatably provided with a roller.

[0009] Preferably, a through hole is formed on the side of the cabinet door opposite to the lock catch for the lock catch to enter.

[0010] Preferably, a guide block is arranged on one side of the lock plate, and a guide groove matched with the guide block is formed on the inner wall of the cabinet door.

[0011] Preferably, a handle for operating the lock plate is arranged on one side of the lock plate, and the handle penetrates the cabinet door.

[0012] Preferably, a lock body for limiting the movement of the lock plate is rotatably arranged on the cabinet door, the lock body comprises an operation disc, a resisting plate is arranged on the operation disc, and a resisting column matched with the resisting plate is arranged on one side of the lock plate.

[0013] Preferably, an arrow mark is arranged on the operation disc.

[0014] The utility model discloses a beneficial effect:

[0015] The utility model provides a switch cabinet door lock structure, through the combination of the oblique drive surface, plane and bending part of driving block, the horizontal thrust when closing the cabinet door is converted into the vertical movement power of lock plate through the roller, does not need to set the drive component additionally, just relies on the cabinet door closing kinetic energy to complete the up -moving positioning and down -moving locking of lock plate, compared with traditional manual regulation lock significantly improves the lock efficiency,

[0016] The operation disc of the lock body forms mechanical secondary locking through the cooperation of the resisting plate and the resisting column after the lock plate completes locking, effectively resists the handle misoperation caused by external interference such as vibration and collision, and is suitable for scenes such as power operation and maintenance, equipment maintenance and the like which require safety and operation convenience. DRAWINGS

[0017] The drawings described herein are used to provide further understanding of the utility model and constitute a part of the application. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute improper limitation on the utility model. In the drawings:

[0018] Figure 1 It is the sectional view structure drawing of the cabinet door and the cabinet body of the utility model;

[0019] Figure 2 It is Figure 1 The structure enlarged view of B in the figure;

[0020] Figure 3 It is the structure perspective view of the lock plate of the utility model;

[0021] Figure 4 It is Figure 3 The structure enlarged view of A in the figure;

[0022] Figure 5 is the structure perspective view of the cabinet door of the utility model;

[0023] Legend:

[0024] 1, cabinet door; 2, lock plate; 3, lock hole; 301, unlocking part; 302, locking part; 4, lock catch; 401, lock groove; 5, driving block; 501, inclined driving surface; 502, flat surface; 503, bending part; 6, roller; 7, through hole; 8, guide block; 9, handle; 10, lock body; 101, operation disc; 102, abutting plate; 11, abutting column; 12, arrow mark; 13, cabinet body. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Specific embodiments are given below.

[0027] Please refer to Figures 1-5The utility model discloses a switchgear door lock structure, including the lock plate 2 of active assembly in the cabinet door 1, be equipped with the lock hole 3 on the lock plate 2, the lock hole 3 includes the unlocking portion 301 and the locking portion 302, the unlocking portion 301 is located the positive below of locking portion 302, is provided with the lock catch 4 of cooperation with the lock hole 3 on the cabinet body 13, the unlocking portion 301 is greater than the lock catch 4, the locking portion 302 is smaller than the lock catch 4, the lock catch 4 is equipped with the lock groove 401 of cooperation with the locking portion 302, the cabinet door 1 is equipped with the through -hole 7 of the lock catch 4 opposite side and enters, the lock catch 4 is equipped with the through -hole 7 of the lock catch 4, the cabinet body 13 is equipped with the drive block 5 for driving the lock plate 2 to move and make its lock hole 3 with the locking of lock catch 4, the drive block 5 includes the inclined drive surface 501 for driving the lock plate 2 to go up, and the plane 502 of not driving the lock plate 2 to move, still include the bending portion 503 for the lock plate 2 to go down, the bottom end of lock plate 2 is rotatably equipped with the gyro wheel 6, one side of lock plate 2 is equipped with handle 9 for operating lock plate 2, handle 9 passes through cabinet door 1, when, when cabinet door 1 closes, cabinet door 1 gradually approaches cabinet body 13, then lock catch 4 and drive block 5 enter cabinet door 1 inside through the through -hole 7 of cabinet door 1, then drive block 5 will contact with gyro wheel 6, cabinet door 1 continues to push to approach cabinet body 13, the gyro wheel 6 of lock plate 2 bottom end is along the inclined drive surface 501 of drive block 5 and goes up, the rolling characteristic of gyro wheel 6 converts the horizontal thrust of cabinet door 1 into the vertical up -force of lock plate 2, during the lock plate 2 ascending, the unlocking portion 301 of lock hole 3 gradually aims at lock catch 4, when gyro wheel 6 moves to the plane 502, the lock plate 2 no longer goes up and keeps the invariable of height position, when unlocking portion 301 aims at lock catch 4, cabinet door 1 continues to close, and lock catch 4 gradually inserts into unlocking portion 301, when cabinet door 1 is completely closed, gyro wheel 6 moves to bending portion 503 now, and lock hole 3 also reaches the position of lock groove 401, then due to the effect of the gravity of lock plate 2 downwardly moving and falling into bending portion 503, while lock plate 2 drives lock hole 3 to go down, the locking portion 302 of smaller size is accurately sleeved into lock groove 401, realizes the close locking of cabinet door 1 and cabinet body 13, when needing to open cabinet door 1, through the external operation of staff and then makes lock plate 2 to go up and handle 9, and lock catch 4 enters the unlocking portion 301 of larger size from the locking portion 302, removes the restriction to cabinet door 1, thereby realizing the opening of lock and can pull open cabinet door 1, the combined design of the inclined drive surface 501, the plane 502 and the bending portion 503 of drive block 5, ingeniously utilizes the kinetic energy of cabinet door 1 to drive lock plate 2 to move, does not need extra power source, simplifies the operation process, improves the locking efficiency, compared with traditional manual adjustment lock, this design can reduce the operation step, and the locking portion 302 of lock hole 3 cooperates with the lock groove 401 of lock catch 4, forms double mechanical limiting structure, and lock hole 3 and lock catch 4 can set according to the need Array, effectively prevent cabinet door from opening accidentally, satisfy the application scene of high pressure switchgear and other extremely high safety requirement.

[0028] Further, one side of the lock plate 2 is provided with a guide block 8, and the inner wall of the cabinet door 1 is provided with a guide groove matched with the guide block 8; in working, the guide block 8 always slides along the guide groove of the inner wall of the cabinet door 1 during the up-down movement of the lock plate 2, the shape and size of the guide groove accurately limit the movement track of the guide block 8, so that the lock plate 2 can only move in the vertical direction, the lock plate 2 is prevented from deviating due to lateral force or external force interference, and the lock hole 3 and the lock catch 4 can be accurately aligned in any operation state.

[0029] Further, the cabinet door 1 is rotatably provided with a lock body 10 for limiting the movement of the lock plate 2, the lock body 10 comprises an operation disc 101, the operation disc 101 is provided with a resisting plate 102, one side of the lock plate 2 is provided with a resisting column 11 matched with the resisting plate 102, and the operation disc 101 is provided with an arrow mark 12; in working, under normal circumstances, the resisting plate 102 abuts against the resisting column 11, mechanical blocking is formed, the movement of the lock plate 2 is limited, the cabinet door 1 is ensured to be in a reliable locking state, at this time, the arrow mark 12 on the operation disc 101 points to a specific direction, and the user is prompted that the door lock is in a locking state and the unlocking rotation direction of the operation disc 101; when it is needed to unlock, the operation disc 101 is rotated to drive the resisting plate 102 to rotate synchronously, so that the resisting plate 102 is away from the resisting column 11, the limitation on the lock plate 2 is removed, at this time, the user can operate the lock plate 2 to move up and down through the handle 9; through the cooperation of the lock body 10, a double safety protection system is formed, after the cabinet door 1 is closed, the lock plate 2 is secondarily locked through the lock body 10, and the cabinet door 1 is prevented from being opened due to accidental movement of the handle 9 caused by accidental touch, vibration and other factors.

[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The basic principles, main features and advantages of the present application have been shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.

Claims

1. A switchgear door lock structure, characterized by: The application relates to a cabinet door (1) which is provided with a lock plate (2) movably arranged in the cabinet door (1), a lock hole (3) is formed in the lock plate (2), the lock hole (3) comprises an unlocking part (301) and a locking part (302), the unlocking part (301) is located directly below the locking part (302), a lock buckle (4) is arranged on a cabinet body (13) and matched with the lock hole (3), the unlocking part (301) is larger than the lock buckle (4), the locking part (302) is smaller than the lock buckle (4), a lock groove (401) matched with the locking part (302) is formed in the lock buckle (4), and a driving block (5) is arranged on the cabinet body (13) and used for driving the lock plate (2) to move so that the lock hole (3) and the lock buckle (4) are locked.

2. The switchgear door lock structure according to claim 1, characterized in that: The driving block (5) comprises an inclined driving surface (501) used for driving the lock plate (2) to move upwards, a flat surface (502) used for not driving the lock plate (2) to move, and a bent part (503) used for driving the lock plate (2) to move downwards.

3. The switchgear door lock structure according to claim 1, characterized in that: A roller (6) is rotatably arranged at the bottom end of the lock plate (2).

4. The switchgear door lock structure according to claim 1, characterized in that: A through hole (7) is formed in the side of the cabinet door (1) opposite to the lock buckle (4) and used for allowing the lock buckle (4) to enter.

5. The switchgear door lock structure according to claim 1, characterized in that: A guide block (8) is arranged on one side of the lock plate (2), and a guide groove matched with the guide block (8) is formed in the inner wall of the cabinet door (1).

6. The switchgear door lock structure according to claim 1, characterized in that: A handle (9) used for operating the lock plate (2) is arranged on one side of the lock plate (2), and the handle (9) penetrates through the cabinet door (1).

7. The switchgear door lock structure according to claim 1, characterized in that: A lock body (10) used for limiting the movement of the lock plate (2) is rotatably arranged on the cabinet door (1), the lock body (10) comprises an operation disc (101), a resisting plate (102) is arranged on the operation disc (101), and a resisting column (11) matched with the resisting plate (102) is arranged on one side of the lock plate (2).

8. A switchgear door lock structure according to claim 7, characterized in that: An arrow mark (12) is arranged on the operation disc (101).

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