CN217485975U - A combined power distribution cabinet with pressure relief and explosion-proof function - Google Patents

Abstract

The utility model discloses a combination formula switch board that possesses explosion-proof function of pressure release, including the combination frame: an assembly sliding groove is formed in the combined frame, fastening sliding blocks are connected to the left end and the right end of the assembly sliding groove in a sliding mode, and a fixed pressing plate is fixedly connected to the fastening sliding blocks; an adjusting screw rod is connected inside the assembling chute through a bearing, and one end of the adjusting screw rod is fixedly connected with an adjusting rocking handle; the combined rack is provided with a power distribution cabinet body, and the front end face of the power distribution cabinet body is connected with a cabinet door through a hinge. The utility model discloses can be convenient for carry out aggregate erection or dismantlement to each switch board body to can independently arrange each mechanism circuit of equipment, the staff of being convenient for installs and overhauls control circuit, and can be convenient for carry out automatic pressure release to this internal of switch board through pressure release mechanism, thereby improve this combination formula switch board's stability in use.

Description

A combined power distribution cabinet with pressure relief and explosion-proof function

technical field

The utility model relates to the technical field of power distribution cabinets, in particular to a combined power distribution cabinet with a pressure relief and explosion-proof function.

Background technique

The power distribution cabinet is the general name of the motor control center. The power distribution cabinet is used in situations where the load is relatively scattered and there are few circuits. The motor control center is used in the occasions where the load is concentrated and there are many circuits. The electrical energy is distributed to the nearest load, and this level of equipment should provide protection, monitoring and control of the load, but the existing power distribution cabinet still has the following shortcomings:

1. The existing power distribution cabinets are usually designed as a whole, and their overall volume is large, which is inconvenient to transport them, and when used in some multi-control mechanism equipment, a single power distribution cabinet cannot independently control the circuits of each control mechanism. It is not convenient for the staff to install and repair the control circuit;

2. The existing explosion-proof power distribution cabinet usually adopts a closed design. When the electrical components in the power distribution cabinet work, heat is generated, which will increase the temperature and pressure of the power distribution cabinet. The existing explosion-proof power distribution cabinet does not have a pressure relief function. Therefore, it is easy to damage the power distribution cabinet;

Therefore, a combined power distribution cabinet with pressure relief and explosion-proof function is required to solve the above problems.

Utility model content

The purpose of the present utility model is to provide a combined power distribution cabinet with a pressure relief and explosion-proof function, so as to solve the problem that the existing power distribution cabinet is inconvenient for installation and maintenance and does not have a pressure relief function in the above-mentioned background art.

To achieve the above object, the utility model provides the following technical solutions:

A combined power distribution cabinet with pressure relief and explosion-proof function, comprising a combined rack:

An assembly chute is arranged inside the combination frame, and a fastening slider is slidably connected to the inner left and right ends of the assembly chute, and a fixed pressure plate is fixedly connected to the fastening slider;

An adjustment screw is connected to the inside of the assembly chute through a bearing, and an adjustment rocker is fixedly connected to one end of the adjustment screw;

The combined frame is provided with a power distribution cabinet body, and the front face of the power distribution cabinet body is connected with a cabinet door through hinges;

An assembly slider is fixedly connected to the lower end surface of the power distribution cabinet body, and the assembly slider is slidably connected in the assembly chute;

An electrical device fixing frame is connected to the inner rear surface of the power distribution cabinet body, and a cable slot is connected to the power distribution cabinet body at the lower side of the electrical device fixing frame;

A pressure relief mechanism is arranged on the side of the power distribution cabinet body.

By adopting the above technical solution, the combined installation or disassembly of each power distribution cabinet body can be facilitated, so that each mechanism circuit of the equipment can be independently arranged, it is convenient for the staff to install and repair the control circuit, and it is convenient for the pressure relief mechanism. Automatic pressure relief is carried out in the power distribution cabinet body, thereby improving the use stability of the combined power distribution cabinet.

Preferably, the pressure relief mechanism includes a mounting plate:

The mounting plate is embedded and sealed on the side surface of the power distribution cabinet body, and a telescopic column is slidably connected to the middle of the mounting plate;

One end of the telescopic column is fixedly connected with a sealing plate, and the other end of the telescopic column is fixedly connected with a limiting block;

A compression spring is arranged on the side surface of the telescopic column, and the compression spring is arranged between the limit block and the mounting plate, and a pressure relief hole is arranged on the surface of the mounting plate.

By adopting the above technical solution, it is convenient to use the gas with a certain pressure to overcome the elastic force of the compression spring to make the sealing plate separate from the surface of the installation plate, so as to release the pressure inside the power distribution cabinet body through the pressure relief hole, so as to ensure the internal pressure of the power distribution cabinet body. The stability of electrical components work.

Preferably, a mounting frame is fixedly connected to the rear end surface of the combined frame.

By adopting the above technical solution, the combined power distribution cabinet can be easily fixed and installed through the mounting bracket fixedly connected with the rear end surface of the combined rack.

Preferably, the screw threads on the side surfaces of the left and right ends of the adjusting screw are arranged in opposite directions.

By adopting the above technical scheme, it is convenient to set the screw threads on the left and right sides of the adjusting screw in opposite directions, so that when the adjusting screw rotates, the tightening sliders connected on both sides of the adjusting screw can be moved closer to or away from each other under the action of the screw threads.

Preferably, both ends of the upper end of the fastening slider are connected with fixed pressure plates, and the power distribution cabinet body is connected to the upper and lower ends of the combined frame.

By adopting the above technical solution, the power distribution cabinet body can be assembled and installed simultaneously at the upper and lower ends of the combined rack, thereby improving the installation utilization rate of the combined rack.

Preferably, the structural shape of the assembly slider is a "T"-shaped structure, and rectangular openings are provided on the upper and lower end surfaces of the combined frame at the left and right sides.

By adopting the above technical solution, it is convenient to install the sliding block in a "T"-shaped structure, so that the power distribution cabinet body can be stably fixed on the combined frame, and it is easy to pass through the upper and lower end surfaces of the combined frame. The rectangular opening enables the assembly slider to slide out from the assembly chute through the rectangular opening when the power distribution cabinet body is slid to the two sides of the combined frame, which facilitates the installation and removal of the power distribution cabinet body.

Compared with the prior art, the beneficial effect of the present utility model is that the combined power distribution cabinet with pressure relief and explosion-proof function can facilitate the combined installation or disassembly of each power distribution cabinet body, so as to enable the various mechanism circuits of the equipment to be installed or disassembled. The independent arrangement is convenient for the staff to install and repair the control circuit, and it is convenient for the automatic pressure relief in the power distribution cabinet body through the pressure relief mechanism, thereby improving the stability of the combined power distribution cabinet:

1. By placing the assembly slider at the lower end of the power distribution cabinet body into the rectangular openings provided at both ends of the combined frame, push the power distribution cabinet body to make the assembly slider at the lower end slide into the assembly chute, and adjust the crank handle by shaking Its rotation drives the adjustment screw to rotate, so that the adjustment screw drives the tightening sliders at both ends to move closer to each other under the action of the thread, and the movement of the tightening slider drives the fixed pressure plates at the upper and lower ends to move, so that the fixed pressure plate has a positive effect on the power distribution cabinet body. The side is clamped and fixed, so that the distribution cabinet body can be stably fixed on the combination frame, which can facilitate the combined installation or disassembly of each distribution cabinet body, and can independently arrange each mechanism circuit of the equipment, which is convenient for the staff to control the control. Circuit installation and maintenance;

2. When the temperature in the power distribution cabinet body is high and its internal pressure is high, the gas in the power distribution cabinet body pushes the sealing plate, and the gas pressure overcomes the elastic force of the compression spring, so that the surface of the sealing plate and the installation plate is The air pressure in the power distribution cabinet is balanced with the external pressure through the pressure relief hole. After the pressure relief is completed, the telescopic column is reset and slid under the action of the compression spring, the sealing plate is re-fitted with the surface of the installation plate, and the pressure is released. The hole is sealed, so that the automatic pressure relief in the power distribution cabinet body can be facilitated by the pressure relief mechanism, and the use stability of the combined power distribution cabinet is improved.

Description of drawings

Fig. 1 is the front view three-dimensional structure schematic diagram of the present utility model;

2 is a schematic diagram of the connection structure of the combined frame of the present invention;

Fig. 3 is the cross-sectional structural schematic diagram of the right side view of the combined frame of the present invention;

4 is a schematic diagram of the internal structure of the power distribution cabinet body of the present invention;

Fig. 5 is a three-dimensional schematic diagram of the pressure relief mechanism of the present invention;

FIG. 6 is a schematic structural diagram of the pressure relief state of the pressure relief mechanism of the present invention.

In the figure: 1. Combination frame; 2. Assembly chute; 3. Fastening slider; 4. Fixed pressure plate; 5. Adjusting screw; 6. Adjusting crank; 7. Mounting frame; 8. Power distribution cabinet body; 9. , cabinet door; 10, assembly slider; 11, electrical device fixing frame; 12, wire groove; 13, pressure relief mechanism; 1301, installation plate; 1302, telescopic column; 1303, sealing plate; 1304, limit block; 1305 , Compression spring; 1306, pressure relief hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to 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 implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Figures 1-6, the present utility model provides a technical solution:

A combined power distribution cabinet with pressure relief and explosion-proof function includes a combined rack 1; an assembly chute 2 is arranged inside the combined rack 1, and the inner left and right ends of the assembly chute 2 are slidably connected with fastening sliders 3 , and the fastening slider 3 is fixedly connected with a fixed pressure plate 4; the inside of the assembly chute 2 is connected with an adjustment screw 5 through a bearing, and one end of the adjustment screw 5 is fixedly connected with an adjustment rocker 6; the left and right ends of the adjustment screw 5 The screw threads on the side are arranged in opposite directions; the rear end surface of the combination frame 1 is fixedly connected with a mounting frame 7; the combination frame 1 is provided with a power distribution cabinet body 8, and the front end surface of the power distribution cabinet body 8 is connected with a cabinet door through a hinge 9; both ends of the upper end of the fastening slider 3 are connected with a fixed pressure plate 4, and the power distribution cabinet body 8 is connected to the upper and lower ends of the combined frame 1; the lower end surface of the power distribution cabinet body 8 is fixedly connected with an assembly slider 10 , and the assembly slider 10 is slidably connected in the assembly chute 2; the structural shape of the assembly slider 10 is a "T"-shaped structure, and the upper and lower ends of the combined frame 1 are provided with rectangular openings on the left and right sides; the power distribution cabinet body The inner rear surface of 8 is connected with an electrical device fixing frame 11, and the power distribution cabinet body 8 at the lower side of the electrical device fixing frame 11 is connected with a cable slot 12; when the combined power distribution cabinet needs to be combined and installed, pass Place the assembly slider 10 connected to the lower end of the power distribution cabinet body 8 into the rectangular openings provided at both ends of the combination frame 1, and push the power distribution cabinet body 8, so that the assembly slider 10 at the lower end of the power distribution cabinet body 8 slides to the assembly chute 2, by shaking the adjusting crank 6, the adjusting crank 6 rotates to drive the adjusting screw 5 to rotate. Since the adjusting screw 5 and the tightening slider 3 are threadedly connected, the adjusting screw 5 drives the two ends of the adjusting screw 5 under the action of the thread. The fixed sliders 3 move close to each other, and the movement of the tightening slider 3 drives the fixed pressure plates 4 at the upper and lower ends to move, so that the fixed pressure plates 4 clamp and fix the side of the power distribution cabinet body 8, so that the power distribution cabinet body 8 is stably fixed. On the combined rack 1 , the entire combined power distribution cabinet can be fixed by the mounting rack 7 .

A pressure relief mechanism 13 is provided on the side of the power distribution cabinet body 8; the pressure relief mechanism 13 includes a mounting plate 1301: the mounting plate 1301 is embedded and sealed on the side surface of the power distribution cabinet body 8, and the middle of the mounting plate 1301 is slidably connected with a A telescopic column 1302; one end of the telescopic column 1302 is fixedly connected to a sealing plate 1303, and the other end of the telescopic column 1302 is fixedly connected to a limit block 1304; Between the limit block 1304 and the mounting plate 1301, and the surface of the mounting plate 1301 is provided with a pressure relief hole 1306; when the temperature in the power distribution cabinet body 8 is high and its internal pressure is high, the The gas pushes the sealing plate 1303, and the gas pressure overcomes the elastic force of the compression spring 1305, so that the sealing plate 1303 is separated from the surface of the mounting plate 1301, and the air pressure in the power distribution cabinet body 8 is balanced with the external pressure through the pressure relief hole 1306, and the pressure relief is completed. Then, under the action of the compression spring 1305, the telescopic column 1302 is reset and slid, the sealing plate 1303 is re-fitted with the surface of the mounting plate 1301, and the pressure relief hole 1306 is sealed, so that the electrical components in the power distribution cabinet body 8 work more efficiently. Stable, content not described in detail in this specification belongs to the prior art known to those skilled in the art.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. The utility model provides a possess explosion-proof function's of pressure release combination formula switch board, includes combination frame (1), its characterized in that:

an assembly sliding groove (2) is formed in the combined frame (1), fastening sliding blocks (3) are connected to the left end and the right end of the interior of the assembly sliding groove (2) in a sliding mode, and a fixed pressing plate (4) is fixedly connected to the fastening sliding blocks (3);

an adjusting screw rod (5) is connected to the inside of the assembling chute (2) through a bearing, and an adjusting rocking handle (6) is fixedly connected to one end of the adjusting screw rod (5);

a power distribution cabinet body (8) is arranged on the combined frame (1), and the front end face of the power distribution cabinet body (8) is connected with a cabinet door (9) through a hinge;

the lower end face of the power distribution cabinet body (8) is fixedly connected with an assembling sliding block (10), and the assembling sliding block (10) is connected in the assembling sliding groove (2) in a sliding manner;

an electric device fixing frame (11) is connected to the rear end face inside the power distribution cabinet body (8), and a wire groove (12) is connected to the power distribution cabinet body (8) at the lower side of the electric device fixing frame (11);

and a pressure relief mechanism (13) is arranged on the side surface of the power distribution cabinet body (8).

2. The combined power distribution cabinet with the pressure relief and explosion prevention functions as claimed in claim 1, wherein the pressure relief mechanism (13) comprises a mounting plate (1301):

the mounting plate (1301) is embedded into the side face of the power distribution cabinet body (8) in a sealing mode, and the middle of the mounting plate (1301) is connected with a telescopic column (1302) in a sliding mode;

one end of the telescopic column (1302) is fixedly connected with a sealing plate (1303), and the other end of the telescopic column (1302) is fixedly connected with a limiting block (1304);

a pressing spring (1305) is arranged on the side face of the telescopic column (1302), the pressing spring (1305) is arranged between the limiting block (1304) and the mounting plate (1301), and a pressure relief hole (1306) is formed in the surface of the mounting plate (1301).

3. The combined power distribution cabinet with the pressure relief and explosion prevention functions as claimed in claim 2, wherein: the rear end face of the combined frame (1) is fixedly connected with a mounting frame (7).

4. The combined power distribution cabinet with the pressure relief and explosion prevention functions as claimed in claim 1, wherein: the thread turning directions on the side surfaces of the left end and the right end of the adjusting screw rod (5) are opposite.

5. The combined power distribution cabinet with the pressure relief and explosion prevention functions as claimed in claim 1, wherein: the upper end both ends of fastening slider (3) all are connected with stationary platen (4), just switch board body (8) are connected in the upper and lower both ends position of combined bay (1).

6. The combined power distribution cabinet with the pressure relief and explosion prevention functions as claimed in claim 1, wherein: the structure shape of the assembling sliding block (10) is a T-shaped structure, and rectangular openings are formed in the left side and the right side of the upper end face and the lower end face of the combined rack (1).

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