Automatic locking device for operation hole of centrally installed switchgear

Abstract

The utility model relates to the technical field of centrally installed switchgear equipment, and particularly discloses a centrally installed switchgear operation hole automatic locking device which comprises a centrally installed switchgear body, a cabinet door is hinged to the front face of the centrally installed switchgear body through a hinge, a mounting base is fixedly connected to one side of the centrally installed switchgear body, and sliding grooves are formed in the upper end and the lower end of the mounting base. The interior of the sliding groove is slidably connected with a clamping rod, the interior of the mounting seat is provided with a movable groove, the interior of the movable groove is provided with a locking structure, one side of the centrally installed switchgear body is fixedly connected with a supporting seat, and one side of the switchgear door is fixedly connected with a locking rod. According to the utility model, through the arrangement of the locking structure, a layer of automatic locking structure can be additionally arranged outside the centrally installed switchgear, the centrally installed switchgear is provided with a double-layer lock catch, the safety of the device is improved, through the arrangement of the return spring, the device can simply complete clamping and unlocking, the structure is simple, the use is convenient, the centrally installed switchgear is provided with a double-layer protection structure, and the safety of the device is improved. And the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of center cabinet equipment, in particular to an automatic locking device for an operating hole of a center cabinet. Background Art

[0002] The center cabinet, whose full name is metal armored center removable switchgear, belongs to high-voltage power distribution equipment. The center cabinet is mainly used in power plants, power transmission of small and medium-sized generators, power receiving and transmission of secondary substations of power systems, power distribution of industrial and mining enterprises and institutions, and starting of large high-voltage motors.

[0003] A conventional central cabinet has only one lock structure per door, which has poor protection performance and low safety in actual use. It is inconvenient to open the door in an environment without electricity, and it is not convenient for staff to easily open and close the door lock for maintenance. It cannot prevent non-professionals from opening the switch cabinet at will, which may easily cause safety accidents such as electric shock due to incorrect operation, affecting the safety of use.

[0004] In view of the above problems, the utility model designs an automatic locking device for the operation hole of the central cabinet. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes an automatic locking device for an operating hole of a central cabinet.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] An automatic locking device for an operating hole of a central cabinet comprises a central cabinet body, a cabinet door is hingedly connected to the front of the central cabinet body by a hinge, a mounting seat is fixedly connected to one side of the central cabinet body, a sliding groove is provided at the upper and lower ends of the mounting seat, a clamping rod is slidably connected to the inside of the sliding groove, a movable groove is provided inside the mounting seat, a locking structure is provided inside the movable groove, a support seat is fixedly connected to one side of the central cabinet body, and a locking rod is fixedly connected to one side of the cabinet door.

[0008] As a further improvement of the present invention, the locking structure includes a baffle movably connected to the inside of the movable groove, two connecting rods are fixedly connected to one side of the baffle, the other ends of the connecting rods are fixedly connected to return springs, the other ends of the return springs are fixedly connected to a sleeve rod, the connecting rods are movably connected to the inside of the sleeve rod, the lower surface of the baffle is fixedly connected to a connecting plate, the lower end of the connecting plate is fixedly connected to a pressing plate, a placement groove is opened on one side of the central cabinet body, and the pressing plate is movably connected in the placement groove.

[0009] As a further improvement of the present invention, a clamping groove matched with the clamping rod is provided on the upper surface of the support seat.

[0010] As a further improvement of the present invention, a base is fixedly connected to the lower surface of the central cabinet body, and the number of the bases is four.

[0011] As a further improvement of the present invention, a heat dissipation port is provided on one side of the central cabinet body.

[0012] As a further improvement of the present invention, a visual glass is fixedly mounted on one side of the front of the cabinet door, and an operating panel is fixedly mounted on the other side of the front of the cabinet door.

[0013] Beneficial effects of the utility model:

[0014] By setting a locking structure, when in use, the cabinet door is closed first, and the locking rod on the cabinet door enters between the mounting seat and the supporting seat. After the cabinet door is completely closed, the locking rod will squeeze the pressing plate into the center cabinet body. While the pressing plate moves, the baffle is driven to move in the movable groove through the connecting rod, thereby opening the slide groove, and the locking rod moves downward in the slide groove until it enters the locking groove on the supporting seat, thereby locking the locking rod to complete the locking, so that the device can add a layer of automatic locking structure on the outside of the center cabinet, so that the center cabinet has a double-layer lock, which increases the safety of the device.

[0015] By setting a return spring, when in use, the card rod is moved to the upper part of the slide slot to cancel the engagement of the lock rod, thereby opening the cabinet door. After the cabinet door is opened, the lock rod moves to the outside of the support seat, and after the pressure of the lock rod is lost, the return spring drives the connecting rod to move in the sleeve rod, drives the baffle plate to move to cover the slide slot, prevents the card rod from falling, and enables the device to simply complete the engagement and unlocking, thereby increasing the practicality of the device.

[0016] The utility model has a simple structure and is easy to use. An external automatic locking structure is added on the basis of the original internal lock of the central cabinet, so that the central cabinet has a double-layer protection structure, which increases the protection of the device when in use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an automatic locking device for an operating hole of a central cabinet proposed by the utility model;

[0018] Figure 2 This is a structural schematic diagram of a locking structure of an automatic locking device for an operating hole of a central cabinet proposed by the utility model;

[0019] Figure 3 for Figure 2 A partial enlarged view of the pressing plate, connecting plate and baffle structure at point A in the middle;

[0020] Figure 4 This is a structural schematic diagram of a second form of an automatic locking device for an operating hole of a central cabinet proposed by the utility model.

[0021] In the figure: 1 central cabinet body, 2 cabinet door, 3 mounting seat, 4 slide slot, 5 clamping rod, 6 movable slot, 7 supporting seat, 8 locking rod, 9 baffle, 10 connecting rod, 11 return spring, 12 sleeve rod, 13 connecting plate, 14 pressing plate, 15 clamping slot, 16 base, 17 heat dissipation port, 18 visual glass, 19 operation panel, 20 placement slot. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 4 , an automatic locking device for an operating hole of a central cabinet, comprising a central cabinet body 1, a cabinet door 2 being hinged on the front of the central cabinet body 1, a mounting seat 3 being fixedly connected to one side of the central cabinet body 1, a slide groove 4 being provided at the upper and lower ends of the mounting seat 3, a clamping rod 5 being slidably connected inside the slide groove 4, a movable groove 6 being provided inside the mounting seat 3, a locking structure being provided inside the movable groove 6, a supporting seat 7 being fixedly connected to one side of the central cabinet body 1, and a locking rod 8 being fixedly connected to one side of the cabinet door 2.

[0024] In the utility model, the locking structure includes a baffle 9 movably connected to the inside of the movable groove 6, one side of the baffle 9 is fixedly connected to two connecting rods 10, the other ends of the connecting rods 10 are fixedly connected to the return springs 11, the other ends of the return springs 11 are fixedly connected to the sleeve rod 12, the connecting rod 10 is movably connected to the inside of the sleeve rod 12, the lower surface of the baffle 9 is fixedly connected to the connecting plate 13, the lower end of the connecting plate 13 is fixedly connected to the pressing plate 14, one side of the central cabinet body 1 is provided with a placement groove 20, the pressing plate 14 is movably connected in the placement groove 20, the upper surface of the support seat 7 is provided with a card slot 15 adapted to the card rod 5, and the baffle 9 can be restored to its original position after losing the pressing force through the setting of the return spring 11;

[0025] A base 16 is fixedly connected to the lower surface of the center cabinet body 1, and there are four bases 16. A heat dissipation port 17 is provided on one side of the center cabinet body 1, a visual glass 18 is fixedly installed on one side of the front of the cabinet door 2, and an operation panel 19 is fixedly installed on the other side of the front of the cabinet door 2. The heat dissipation port 17 is provided to increase the heat dissipation of the center cabinet body 1, and the internal condition of the center cabinet body 1 can be observed through the visual glass 18 and the operation panel 19.

[0026] When the utility model is used, the cabinet door 2 is first closed, and the locking rod 8 on the cabinet door 2 enters between the mounting seat 3 and the supporting seat 7. When the cabinet door 2 is closed, the locking rod 8 will squeeze the pressing plate 14, so that the pressing plate 14 moves in the placement groove 20 on one side of the central cabinet body 1. After the cabinet door 2 is completely closed, the pressing plate 14 will be squeezed into the placement groove 20 of the central cabinet body 1. When the pressing plate 14 moves, the baffle plate 9 is driven to move in the movable groove 6 through the connecting plate 13. When the baffle plate 9 moves to no longer block the slide groove 4, the clamping rod 5 moves downward in the slide groove 4. When the cabinet door 2 is opened, the locking rod 8 will move to the outside of the support seat 7. After the pressure of the locking rod 8 is lost, the return spring 11 drives the connecting rod 10 to move in the sleeve rod 12, thereby driving the baffle 9 to move to cover the slide groove 4 and support the locking rod 5 to prevent the locking rod 5 from falling. Finally, when the intermediate cabinet body 1 is used up, the cabinet door 2 is closed again.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An automatic locking device for an operation hole of a central cabinet, comprising a central cabinet body (1), characterized in that: The front of the central cabinet body (1) is hingedly connected to a cabinet door (2), one side of the central cabinet body (1) is fixedly connected to a mounting seat (3), the upper and lower ends of the mounting seat (3) are provided with a slide groove (4), the interior of the slide groove (4) is slidably connected to a clamping rod (5), the interior of the mounting seat (3) is provided with a movable groove (6), one side of the central cabinet body (1) is fixedly connected to a support seat (7), and one side of the cabinet door (2) is fixedly connected to a locking rod (8).

2. The automatic locking device for the operation hole of the central cabinet according to claim 1, characterized in that: A locking structure is provided inside the movable groove (6), and the locking structure comprises a baffle (9) movably connected inside the movable groove (6); two connecting rods (10) are fixedly connected to one side of the baffle (9); the other ends of the connecting rods (10) are fixedly connected to return springs (11); the other ends of the return springs (11) are fixedly connected to sleeve rods (12); the connecting rods (10) are movably connected inside the sleeve rods (12); a connecting plate (13) is fixedly connected to the lower surface of the baffle (9); a pressing plate (14) is fixedly connected to the lower end of the connecting plate (13); a placement groove (20) is provided on one side of the central cabinet body (1); and the pressing plate (14) is movably connected inside the placement groove (20).

3. The automatic locking device for the operation hole of a central cabinet according to claim 1, characterized in that: The upper surface of the support seat (7) is provided with a clamping groove (15) adapted to the clamping rod (5).

4. The automatic locking device for the operation hole of a central cabinet according to claim 1, characterized in that: A base (16) is fixedly connected to the lower surface of the central cabinet body (1), and the number of the bases (16) is four.

5. The automatic locking device for the operation hole of the central cabinet according to claim 1, characterized in that: A heat dissipation opening (17) is provided on one side of the central cabinet body (1).

6. The automatic locking device for the operation hole of a central cabinet according to claim 1, characterized in that: A visual glass (18) is fixedly mounted on one side of the front face of the cabinet door (2), and an operating panel (19) is fixedly mounted on the other side of the front face of the cabinet door (2).

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