Low-voltage switch cabinet convenient to disassemble and assemble

Abstract

The utility model particularly relates to a low-voltage switch cabinet convenient to disassemble and assemble, which comprises a switch cabinet body and an opening and closing cabinet door, the opening and closing cabinet door is rotatably mounted on the switch cabinet body, a rotary block positioning assembly used for limiting the opening and closing cabinet door is mounted at the top of the switch cabinet body, and a mounting substrate and an air switch are mounted in the switch cabinet body. The mounting base plate is mounted in a transverse limiting groove formed in the connecting strip block through a pushing driving assembly, a U-shaped clamping seat is fixedly mounted on the mounting base plate, an embedded block is inserted into the U-shaped clamping seat, the embedded block is fixedly connected with the U-shaped clamping seat through a locking assembly, and the air switch is fixed to the embedded block; according to the utility model, the problem of inconvenience in disassembly and assembly by adopting bolts in the prior art can be solved; and the opening and closing cabinet door in an opening state can be limited, so that the operation of an operator in the switch cabinet body is prevented from being influenced by the return of the opening and closing cabinet door, and collision to the air switch is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of low-voltage switch cabinets, and particularly relates to a low-voltage switch cabinet which is convenient for disassembly and assembly. Background Art

[0002] The low-voltage switch cabinet is a key component in the power supply system, and is widely applicable to industries such as power plants, petroleum, chemical industry, metallurgy, textile, high-rise buildings, etc. It is mainly used for power transmission, power distribution and power conversion. In the design of the power supply system, the low-voltage switch cabinet usually adopts the form of two inlets - bus coupler, and is composed of an incoming line cabinet, a bus coupler cabinet and a feeder cabinet, etc., and is connected and controlled by an air switch. This structure can ensure the uninterrupted supply of power. Even when one power supply fails, the other power supply can be quickly connected to ensure the continuity and stability of the power supply system.

[0003] However, when the existing low-voltage switch cabinet is in use, the control switch is usually fixed inside the cabinet body by means of bolts, which is inconvenient for disassembly and repair of the air switch, time-consuming and laborious, affecting the overall use effect of the low-voltage switch cabinet, and when the operator opens the cabinet door for operation, the return of the cabinet door is likely to have an adverse impact on the operator.

[0004] Therefore, it is necessary to propose a low-voltage switch cabinet which is convenient for disassembly and assembly. Summary of the Utility Model

[0005] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a low-voltage switch cabinet which is convenient for disassembly and assembly.

[0006] The utility model realizes the above purpose through the following technical solutions. A low-voltage switch cabinet which is convenient for disassembly and assembly includes a switch cabinet body and an opening and closing cabinet door. The opening and closing cabinet door is rotatably installed on the switch cabinet body. A rotary blocking and positioning component for limiting the opening and closing cabinet door is installed on the top of the switch cabinet body, and one end of the rotary blocking and positioning component is slidably clamped in an arc-shaped chute opened on the top of the switch cabinet body. An installation substrate and an air switch are installed in the switch cabinet body. Connecting strip blocks are installed on the inner walls of both sides of the switch cabinet body. The installation substrate is installed in a horizontal limiting groove opened on the connecting strip blocks through a pushing and driving component. A U-shaped clamping seat is installed on the installation substrate. An embedded block is inserted into the U-shaped clamping seat, and the embedded block is fixedly connected with the U-shaped clamping seat through a locking component. The air switch is installed on the embedded block.

[0007] Further, in order to enable the damping rotating shaft to drive the connecting ring to rotate by controlling the rotating handle, the rotary blocking and positioning assembly includes the rotating handle, the rotating handle is rotatably installed on the top of the switch cabinet body through the damping rotating shaft, and the connecting ring is fixedly sleeved on the damping rotating shaft.

[0008] Further, in order to enable the driving swing arm to drive the limiting head to rotate by controlling the rotation of the connecting ring, the driving swing arm is fixed on the outer wall of the connecting ring, one end of the bottom of the driving swing arm is fixedly installed with the limiting head, and the limiting head is slidably clamped in the arc-shaped chute.

[0009] Further, in order to enable the driving threaded rod to rotate in the horizontal limiting groove through the rotating joint by controlling the opening of the micro driving motor, the pushing and driving assembly includes the micro driving motor and the driving threaded rod, the micro driving motor is fixed on the inner wall of one end of the horizontal limiting groove, the driving threaded rod is rotatably installed on the inner wall of the other end of the horizontal limiting groove through the rotating joint, and one end of the driving threaded rod is fixedly connected with the output shaft of the micro driving motor.

[0010] Further, in order to drive the threaded slider to slide in the horizontal limiting groove by controlling the rotation of the driving threaded rod, so as to drive the mounting substrate to move, the threaded slider is installed on the driving threaded rod, the threaded slider is slidably clamped in the horizontal limiting groove, and the mounting substrate is fixed on the threaded slider.

[0011] Further, in order to enable the locking pin rod to slide on the U-shaped mounting block by controlling the lifting handle, the locking assembly includes the U-shaped mounting block, the U-shaped mounting block is fixed on the top of the U-shaped clamping seat, the locking pin rod is slidably installed on the U-shaped clamping seat, and one end of the locking pin rod is fixedly installed with the lifting handle.

[0012] Further, in order to fixedly connect the U-shaped clamping seat and the embedded block through the locking pin rod, the other end of the locking pin rod is inserted into the locking pin holes vertically corresponding to the U-shaped clamping seat and the embedded block.

[0013] Further, in order to enable the square driving piece to drive the locking pin rod to be fixedly inserted into the locking pin hole through the return spring, the square driving piece is fixedly installed on the locking pin rod, the square driving piece is slidably clamped in the U-shaped mounting block, and the square driving piece is elastically connected with the U-shaped mounting block through the return spring.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model can facilitate the disassembly and assembly of the embedded block and the air switch through the locking component without the aid of tools, solving the problem that the traditional disassembly and assembly using bolts is relatively inconvenient. At the same time, through the pushing and driving component, the air switch can be moved to the outside of the switch cabinet body, further improving the convenience of the disassembly and assembly of the air switch. And through the rotary blocking and positioning component, the opening and closing cabinet door in the open state can be limited, preventing the opening and closing cabinet door from returning to its position and affecting the operation of the operator in the switch cabinet body, and at the same time avoiding collision with the air switch. Description of the Drawings

[0016] Figure 1 is the overall structural schematic diagram of the utility model;

[0017] Figure 2 is the internal structural schematic diagram of the switch cabinet body of the utility model;

[0018] Figure 3 is Figure 2 the enlarged schematic diagram at A in

[0019] Figure 4 is the structural schematic diagram of the pushing and driving component of the utility model;

[0020] Figure 5 is the connection structural schematic diagram of the embedded block and the U-shaped card seat of the utility model;

[0021] Figure 6 is the structural schematic diagram of the locking component of the utility model;

[0022] In the figure: 1, switch cabinet body; 2, opening and closing cabinet door; 3, rotary blocking and positioning component; 301, rotary handle; 302, damping rotating shaft; 303, connecting ring; 304, driving swing arm; 305, limiting head; 4, installation base plate; 5, air switch; 6, connecting strip block; 7, pushing and driving component; 701, micro driving motor; 702, driving threaded rod; 703, rotating joint; 704, threaded slider; 8, U-shaped card seat; 9, embedded block; 10, locking component; 1001, U-shaped mounting block; 1002, locking pin rod; 1003, lifting handle; 1004, square driving piece; 1005, return spring. Detailed Embodiments

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] Please refer to Figures 1-6 As shown, a low-voltage switchgear cabinet that is convenient for disassembly and assembly includes a switchgear cabinet body 1 and an opening and closing cabinet door 2. The opening and closing cabinet door 2 is rotatably installed on the switchgear cabinet body 1. A rotary blocking and positioning component 3 for limiting the opening and closing cabinet door 2 is installed on the top of the switchgear cabinet body 1. One end of the rotary blocking and positioning component 3 is slidably clamped in an arc-shaped chute opened on the top of the switchgear cabinet body 1. By controlling the rotary blocking and positioning component 3, when the opening and closing cabinet door 2 is opened, the opening and closing cabinet door 2 can be limited to avoid the influence on the operator caused by the return of the opening and closing cabinet door 2. At the same time, it can avoid knocking the air switch 5. When the opening and closing cabinet door 2 is closed, one end of the rotary blocking and positioning component 3 is embedded in the arc-shaped chute to avoid affecting the normal use of the opening and closing cabinet door 2. An installation substrate 4 and an air switch 5 are installed in the switchgear cabinet body 1. Connecting strip blocks 6 are fixedly installed on the inner walls on both sides of the switchgear cabinet body 1. The installation substrate 4 is installed in a horizontal limiting groove opened on the connecting strip block 6 through a pushing and driving component 7. A U-shaped clamping seat 8 is fixedly installed on the installation substrate 4. An embedded block 9 is inserted into the U-shaped clamping seat 8, and the embedded block 9 is fixedly connected to the U-shaped clamping seat 8 through a locking component 10. The air switch 5 is fixed on the embedded block 9. During use, by controlling the pushing and driving component 7, the installation substrate 4 can be pushed out of the switchgear cabinet body 1, so that the air switch 5 can be moved to the outside of the switchgear cabinet body 1, which is convenient for the disassembly and assembly of the air switch 5. And through the locking component 10, the installation and disassembly of the embedded block 9 can be realized without the aid of tools, improving the convenience of the installation and disassembly of the air switch 5.

[0025] The rotary blocking and positioning component 3 includes a rotary handle 301. The rotary handle 301 is rotatably installed on the top of the switchgear cabinet body 1 through a damping rotating shaft 302. A connecting ring 303 is fixedly sleeved on the damping rotating shaft 302. A driving swing arm 304 is fixed on the outer wall of the connecting ring 303. One end of the bottom of the driving swing arm 304 is fixedly installed with a limiting head 305, and the limiting head 305 is slidably clamped in the arc-shaped chute. By controlling the rotary handle 301, the damping rotating shaft 302 drives the connecting ring 303 and the driving swing arm 304 to rotate, so that when the opening and closing cabinet door 2 is opened, the limiting head 305 can be moved to one side of the opening and closing cabinet door 2 to limit the opening and closing cabinet door 2.

[0026] The pushing drive assembly 7 includes a micro drive motor 701 and a drive threaded rod 702. The micro drive motor 701 is fixed on the inner wall at one end of the lateral limit groove. The drive threaded rod 702 is rotatably installed on the inner wall at the other end of the lateral limit groove through a rotary joint 703. One end of the drive threaded rod 702 is fixedly connected to the output shaft of the micro drive motor 701. A threaded slider 704 is installed on the drive threaded rod 702. The threaded slider 704 is slidably clamped in the lateral limit groove. The mounting substrate 4 is fixed on the threaded slider 704. When the micro drive motor 701 is turned on, the drive threaded rod 702 rotates in the lateral limit groove through the rotary joint 703, driving the threaded slider 704 to slide in the lateral limit groove, so as to move the mounting substrate 4 out of the switch cabinet body 1.

[0027] The locking assembly 10 includes a U-shaped mounting block 1001. The U-shaped mounting block 1001 is fixed on the top of the U-shaped clamping seat 8. A locking pin rod 1002 is slidably installed on the U-shaped clamping seat 8. One end of the locking pin rod 1002 is fixedly installed with a lifting handle 1003. The other end of the locking pin rod 1002 is inserted into the locking pin holes vertically formed in the U-shaped clamping seat 8 and the embedded block 9. A square driving piece 1004 is fixedly installed on the locking pin rod 1002. The square driving piece 1004 is slidably clamped in the U-shaped mounting block 1001. The square driving piece 1004 is elastically connected to the U-shaped mounting block 1001 through a return spring 1005. Under the action of the return spring 1005, the square driving piece 1004 drives the locking pin rod 1002 to be fixedly inserted into the locking pin hole, so as to fix the embedded block 9 in the U-shaped clamping seat 8. At the same time, by controlling the lifting handle 1003, the locking pin rod 1002 slides on the U-shaped mounting block 1001, so that the locking pin rod 1002 is disengaged from the locking pin hole, thus facilitating the removal of the embedded block 9 from the U-shaped clamping seat 8, effectively improving the convenience of installation and disassembly of the embedded block 9.

[0028] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above exemplary embodiments, and can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the present utility model. Any reference signs in the claims should not be regarded as limiting the claimed rights.

[0029] In addition, it should be understood that although this specification is described according to embodiments, not every embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A low-voltage switch cabinet that is easy to disassemble and assemble, comprising a switch cabinet body (1) and an opening and closing cabinet door (2), wherein the opening and closing cabinet door (2) is rotatably mounted on the switch cabinet body (1), characterized in that: A rotary blocking positioning component (3) for limiting the opening and closing of the cabinet door (2) is installed on the top of the switch cabinet body (1), and one end of the rotary blocking positioning component (3) is slidably engaged in an arc-shaped sliding groove opened on the top of the switch cabinet body (1). A mounting base (4) and an air switch (5) are installed in the switch cabinet body (1). Connecting bars (6) are installed on the inner walls of both sides of the switch cabinet body (1). The mounting base (4) is installed in the transverse limiting groove opened on the connecting bar (6) through a push drive component (7). A U-shaped card seat (8) is installed on the mounting base (4), and an embedded block (9) is inserted in the U-shaped card seat (8). The embedded block (9) is connected to the U-shaped card seat (8) through a locking component (10), and the air switch (5) is installed on the embedded block (9); The rotary blocking positioning assembly (3) comprises a rotary handle (301), the rotary handle (301) being rotatably mounted on the top of the switch cabinet body (1) via a damping shaft (302), and a connecting ring (303) being fixedly sleeved on the damping shaft (302); A driving swing arm (304) is fixed on the outer wall of the connecting ring (303), a limiting head (305) is fixedly mounted on one end of the bottom of the driving swing arm (304), and the limiting head (305) is slidably engaged in the arc-shaped sliding groove.

2. The low-voltage switch cabinet that is easy to disassemble and assemble as claimed in claim 1 is characterized in that: The push drive assembly (7) comprises a micro drive motor (701) and a drive threaded rod (702); the micro drive motor (701) is fixed to the inner wall at one end of the transverse limit groove; the drive threaded rod (702) is rotatably mounted on the inner wall at the other end of the transverse limit groove via a rotating joint (703); and one end of the drive threaded rod (702) is fixedly connected to the output shaft of the micro drive motor (701).

3. The low-voltage switch cabinet that is easy to disassemble and assemble as claimed in claim 2 is characterized in that: A threaded slider (704) is mounted on the driving threaded rod (702); the threaded slider (704) is slidably engaged in the transverse limiting groove; and the mounting base plate (4) is fixed on the threaded slider (704).

4. The low-voltage switch cabinet that is easy to disassemble and assemble according to claim 1 is characterized in that: The locking assembly (10) comprises a U-shaped mounting block (1001), wherein the U-shaped mounting block (1001) is fixed to the top of the U-shaped holder (8), a locking pin rod (1002) is slidably mounted on the U-shaped holder (8), and a lifting handle (1003) is fixedly mounted on one end of the locking pin rod (1002).

5. The low-voltage switch cabinet that is easy to disassemble and assemble as claimed in claim 4 is characterized in that: The other end of the locking pin rod (1002) is inserted into locking pin holes vertically correspondingly opened on the U-shaped holder (8) and the embedded block (9).

6. The low-voltage switch cabinet that is easy to disassemble and assemble as claimed in claim 5, characterized in that: A square drive plate (1004) is fixedly mounted on the locking pin (1002), the square drive plate (1004) is slidably engaged in the U-shaped mounting block (1001), and the square drive plate (1004) is elastically connected to the U-shaped mounting block (1001) via a return spring (1005).

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