Drawer unit for low-voltage draw-out type switch cabinet

Abstract

The utility model discloses a drawer unit for a low-voltage draw-out type switch cabinet, which comprises a drawer body, an installation cavity is arranged in the drawer body, a first maintenance port is arranged on the surface of the front end of the drawer body, and a second maintenance port is arranged on the surface of the top of the drawer body. An openable door body is fixedly connected to the position, opposite to the first maintenance opening, of the surface of the front end of the drawer body through a hinge, and the door body and the drawer body are locked through a locking device. In combination with the structural design of the utility model, the drawer unit is provided with the first maintenance port and the second maintenance port, so that cooperative operation can be carried out through a plurality of maintenance ports in the maintenance work process of internal components of the drawer unit, thereby reducing the time for maintaining the drawer unit, and achieving better usability.

Description

Technical Field

[0001] This utility model relates to the field of switch cabinet technology, specifically to a drawer unit of a low-voltage withdrawable switch cabinet. Background Technology

[0002] Low-voltage switchgear is suitable for power plants, petroleum, chemical, metallurgical, textile, high-rise building and other industries for power transmission, distribution and energy conversion. Low-voltage switchgear is classified into two types according to its structure: fixed and withdrawable. Fixed switchgear ensures that all electrical components are reliably fixed in a defined position within the cabinet. Withdrawable switchgear consists of a fixed cabinet and a movable section containing the main electrical components such as switches. The movable section should be easy to move, reliably positioned after being moved in, and drawers of the same type and specifications should be reliably interchangeable.

[0003] Most existing low-voltage withdrawable switchgear uses a module of one drawer height corresponding to one drawer unit. However, with prolonged use, maintenance of each drawer unit is required. The existing drawer unit design is relatively simple, requiring the drawer to be pulled out and maintenance work to be carried out from top to bottom. Due to the small opening, this increases the maintenance time for the maintainer and affects the normal use of the low-voltage withdrawable switchgear. Summary of the Invention

[0004] The purpose of this utility model is to provide a drawer unit for a low-voltage withdrawable switchgear, in order to solve the problem mentioned in the background art. In most existing low-voltage withdrawable switchgear, one drawer unit corresponds to one drawer layer height module. However, after long-term use, maintenance work needs to be carried out on each drawer unit. The existing drawer unit design is relatively simple, requiring the drawer to be pulled out and maintenance work to be carried out from top to bottom. Due to the small opening, the maintenance time is increased, which affects the normal use of the low-voltage withdrawable switchgear.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a drawer unit for a low-voltage pull-out switch cabinet, comprising a drawer body, an installation cavity inside the drawer body, a first maintenance port on the front surface of the drawer body, a second maintenance port on the top surface of the drawer body, and an openable door fixedly connected to the front surface of the drawer body at a position opposite to the first maintenance port via a hinge, wherein the door and the drawer body are locked together by a locking device.

[0006] Preferably, the locking device includes a fixing plate and a locking assembly. The fixing plate is fixedly installed on both sides of the drawer body surface, and the locking assembly is fixedly installed on the door surface. The locking assembly and the fixing plate are interlocked to achieve locking.

[0007] Preferably, the door surface has mounting holes at positions opposite to the fixing plate.

[0008] Preferably, the locking assembly includes a fixed base, a rotating block, and a locking plate. The fixed base is fixedly installed in the mounting hole, the rotating block rotates inside the fixed base, and the locking plate is fixedly connected to the rear end of the rotating block.

[0009] Preferably, a locking opening is provided in the middle of the surface of the fixing plate, and a rotating block is movably connected in the locking opening.

[0010] Preferably, the rear end surface of the fixing piece is in contact with the front end surface of the locking piece.

[0011] Beneficial effects

[0012] Compared with existing technologies, the beneficial effects of this utility model are as follows:

[0013] By incorporating the structural design of this utility model and opening a first maintenance port and a second maintenance port in the drawer unit, maintenance work on the internal components of the drawer unit can be carried out through multiple maintenance ports in a coordinated manner, thereby reducing the time required for maintenance of the drawer unit and improving its usability. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the locking device structure of this utility model.

[0016] The correspondence between the labels and component names in the attached figures is as follows:

[0017] 1. Drawer body; 2. First maintenance opening; 3. Second maintenance opening; 4. Door; 5. Locking device;

[0018] 6. Mounting cavity; 41. Mounting hole; 51. Locking assembly; 52. Fixing piece; 511. Fixing base;

[0019] 512. Rotating block; 513. Locking plate; 521. Locking port. Detailed Implementation

[0020] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "left," "right," "front," "rear," "inner," "outer," "vertical," and "horizontal," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] like Figure 1-2 This is a schematic diagram of the structure of a drawer unit for a low-voltage withdrawable switchgear according to a preferred embodiment of the present invention. In this embodiment, the drawer unit for a low-voltage withdrawable switchgear includes a drawer body 1, an installation cavity 6 inside the drawer body 1, a first maintenance port 2 on the front surface of the drawer body 1, and a second maintenance port 3 on the top surface of the drawer body 1. An openable door 4 is fixedly connected to the front surface of the drawer body 1 at a position opposite to the first maintenance port 2 via a hinge. The door 4 and the drawer body 1 are locked together by a locking device 5. When maintenance is required, the locking device 5 can be opened to open the door 4 and access the first maintenance port 2. In combination with the structural design of the present invention, by opening the first maintenance port 2 and the second maintenance port 3 in the drawer unit, multiple maintenance ports can be used in a coordinated manner during the maintenance of the internal components of the drawer unit, thereby reducing the time spent on the drawer unit and improving its usability.

[0023] In this embodiment, the locking device 5 includes a fixing piece 52 and a locking component 51. The fixing piece 52 is fixedly installed on both sides of the surface of the drawer body 1, and the locking component 51 is fixedly installed on the surface of the door body 4. The locking component 51 and the fixing piece 52 are engaged with each other to achieve locking.

[0024] In this embodiment, the surface of the door body 4 is provided with mounting holes 41 at positions opposite to the fixing piece 52.

[0025] In this embodiment, the locking assembly 51 includes a fixed base 511, a rotating block 512, and a locking plate 513. The fixed base 511 is fixedly installed in the mounting hole 41. The rotating block 512 rotates inside the fixed base 511. The locking plate 513 is fixedly connected to the rear end of the rotating block 512, which drives the locking plate 513 to rotate, so that the rear end surface of the fixed plate 52 contacts the front end surface of the locking plate 513 to achieve the function of closing and locking the door 4. When it is necessary to open the door 4, the rotating block 512 is rotated, which drives the locking plate 513 to rotate, so that the front end surface of the locking plate 513 does not contact the rear end surface of the fixed plate 52, thus achieving the function of opening.

[0026] In this embodiment, a locking opening 521 is provided in the middle of the surface of the fixing piece 52, and a rotating block 512 is movably connected inside the locking opening 521 during the opening and closing process of the door body 4.

[0027] The above description, in conjunction with specific embodiments, provides a further detailed explanation of the present utility model. It should not be construed that the specific implementation of the present utility model is limited to these descriptions. For those skilled in the art, several simple deductions or substitutions can be made without departing from the concept of the present utility model, and all such deductions or substitutions should be considered to fall within the scope of protection defined by the claims submitted by the present utility model.

Claims

1. A drawer unit for low voltage draw-out switchgear cabinets comprising a drawer body (1), characterized in that: The drawer body (1) is provided with an installation cavity (6), the front surface of the drawer body (1) is provided with a first maintenance opening (2), the top surface of the drawer body (1) is provided with a second maintenance opening (3), the front surface of the drawer body (1) is fixedly connected with an openable door body (4) at a position opposite to the first maintenance opening (2) through a hinge, and the door body (4) and the drawer body (1) are locked through a locking device (5).

2. The drawer unit for a low voltage draw-out switchgear cabinet according to claim 1, characterized in that: The locking device (5) comprises a fixed sheet (52) and a locking assembly (51), the fixed sheet (52) is fixedly installed on the surface of the drawer body (1), the locking assembly (51) is fixedly installed on the surface of the door body (4), and the locking assembly (51) and the fixed sheet (52) are locked through mutual clamping.

3. The drawer unit for a low voltage draw-out switchgear cabinet according to claim 2, characterized in that: The surface of the door body (4) is provided with an installation hole (41) at a position opposite to the fixed sheet (52).

4. The drawer unit for a low voltage draw-out switchgear cabinet according to claim 2, characterized in that: The locking assembly (51) comprises a fixed seat (511), a rotating block (512) and a locking sheet (513), the fixed seat (511) is fixedly installed in the installation hole (41), the rotating block (512) is rotatably arranged in the fixed seat (511), and the rear end of the rotating block (512) is fixedly connected with the locking sheet (513).

5. The drawer unit for a low voltage draw-out switchgear cabinet according to claim 3, characterized in that: The surface of the fixed sheet (52) is provided with a locking opening (521) in the middle, and the rotating block (512) is movably connected in the locking opening (521).

6. The drawer unit for a low voltage draw-out switchgear cabinet according to claim 5, characterized in that: The rear surface of the fixed sheet (52) is in contact with the front surface of the locking sheet (513).

Images