Explosion-proof structure and electrical power distribution cabinet

Abstract

The utility model discloses an explosion-proof structure and an electrical power distribution cabinet, and belongs to the technical field of electrical power distribution cabinets, the explosion-proof structure comprises an explosion-proof electrical cabinet body used for protection, the explosion-proof electrical cabinet body further comprises an explosion-proof cabinet body and an explosion-proof door plate, and the explosion-proof electrical cabinet body further comprises an auxiliary explosion-proof mechanism, the auxiliary anti-explosion mechanism comprises an inner anti-explosion protection assembly and an outer anti-explosion protection assembly, the inner anti-explosion protection assembly is installed on the inner wall of the anti-explosion cabinet body, the outer anti-explosion protection assembly is installed on the outer side of the anti-explosion cabinet body in a hinged mode, the anti-explosion door plate is hinged to the anti-explosion cabinet body, and the outer anti-explosion protection assembly wraps the anti-explosion door plate. The inner explosion-proof protection assembly and the outer explosion-proof protection assembly are used for improving the protection capability of the explosion-proof electric appliance cabinet body, reducing the damage of force to the interior of the explosion-proof cabinet body, prolonging the service life of internal components of the equipment, effectively reducing the vibration of the explosion-proof cabinet body due to explosion, effectively reducing the damage of impact to the internal components, and improving the safety of the equipment. And internal components can be protected conveniently.

Description

Technical Field

[0001] The utility model relates to the field of electrical distribution cabinets, and more specifically, to an explosion-proof structure and an electrical distribution cabinet. Background Art

[0002] Distribution cabinets are divided into power distribution cabinets, lighting distribution cabinets, and metering cabinets, and are the final equipment of the power distribution system. Distribution cabinets are the general term for motor control centers. Distribution cabinets are used in occasions where the load is relatively scattered and the number of circuits is small; motor control centers are used in occasions where the load is concentrated and the number of circuits is large.

[0003] Explosion-proof distribution cabinets are widely used in dangerous places such as petroleum, chemical industry, electric power, metallurgy, and mines. In these places, if an explosion occurs, it will be extremely serious. The vibration, impact, etc. generated by the explosion will affect the operation of the electrical distribution cabinet, and it is easy to cause the electrical distribution cabinet to collide, topple, etc., resulting in internal damage. How to invent an explosion-proof structure and an electrical distribution cabinet to improve these problems has become an urgent problem for those skilled in the art. Summary of the Utility Model

[0004] To make up for the above deficiencies, the utility model provides an explosion-proof structure and an electrical distribution cabinet, aiming to improve the problem that the vibration, impact, etc. generated by the explosion will cause the electrical distribution cabinet to collide, topple, etc., resulting in internal damage.

[0005] The utility model is implemented as follows: An explosion-proof structure includes an explosion-proof electrical cabinet body for protection. The explosion-proof electrical cabinet body further includes an explosion-proof cabinet body and an explosion-proof door panel, and further includes

[0006] an auxiliary explosion-proof mechanism. The auxiliary explosion-proof mechanism includes an inner explosion-proof protection component and an outer explosion-proof protection component. The inner explosion-proof protection component is installed on the inner wall of the explosion-proof cabinet body. The outer explosion-proof protection component is hinged and installed on the outside of the explosion-proof cabinet body. The explosion-proof door panel is hinged to the explosion-proof cabinet body. The outer explosion-proof protection component wraps around the outside of the explosion-proof door panel.

[0007] In a preferred technical solution of the utility model, the inner explosion-proof protection component includes an inner wall plate. Middle support blocks are fixedly connected to the four walls of the inner wall plate respectively. The other ends of the middle support blocks are fixedly connected to the inner wall of the explosion-proof cabinet body respectively. Corner support blocks are fixedly connected to the four edges of the inner wall plate respectively. The other sides of the corner support blocks are fixedly connected to the four edges of the inner wall of the explosion-proof cabinet body respectively.

[0008] In a preferred technical solution of the utility model, end air bags are respectively arranged at the top and bottom of the inner wall plate, and the end air bags are respectively located between the corner support blocks and the middle support blocks.

[0009] In a preferred technical solution of the present utility model, side air chambers are respectively arranged on both sides of the inner wall plate, and the side air chambers are respectively arranged between the middle support block and the corner support block.

[0010] In a preferred technical solution of the present utility model, the corner support block is arranged in a Z shape, the corner support block is vertically and fittingly installed on the four edges of the inner wall plate, a plurality of middle support blocks are provided, and the plurality of middle support blocks are respectively equally divided and installed between two corner support blocks.

[0011] In a preferred technical solution of the present utility model, the external explosion-proof protection component includes an installation frame, the installation frame is fixedly installed on one side of the explosion-proof cabinet body, a protection door panel is hinged on one side of the installation frame, the protection door panel is in limit clamping connection with the installation frame, and a handle is installed on the back of the protection door panel in a limit rotation manner.

[0012] In a preferred technical solution of the present utility model, the installation frame is arranged on three sides, the protection door panel is arranged in an L shape, the protruding surface of the protection door panel corresponds to and fits with the empty surface of the installation frame, the inside of the vertical connection part of the protection door panel is arranged in an arc shape, and the clamping connection part of the installation frame and the protection door panel is correspondingly arranged.

[0013] In a preferred technical solution of the present utility model, limiting grip handles are arranged through the two ends of one side of the protection door panel in a limit manner, a limiting ring is fixedly connected to the middle of the limiting grip handle, the limiting ring slides in a limit manner inside the protruding part of the protection door panel, and limiting grooves are opened at the corresponding positions of the installation frame and the limiting grip handle.

[0014] In a preferred technical solution of the present utility model, a spring is sleeved on the limiting grip handle, one end of the spring is fixedly connected to the limiting ring, and the other end of the spring abuts against the inner wall of the protection door panel.

[0015] In another preferred technical solution of the present utility model, an electrical distribution cabinet includes an explosion-proof structure, an explosion-proof back plate is installed on the back of the explosion-proof cabinet body, the explosion-proof back plate includes a back plate and positioning angle irons, the back plate is fixedly installed on the back of the explosion-proof cabinet body, one side of the positioning angle iron is connected with a mounting bolt, the mounting bolt is threadedly connected with the back plate, the other side of the positioning angle iron is connected with a positioning bolt, and the positioning bolt is connected with the wall body.

[0016] The beneficial effects of the present utility model are as follows: An explosion-proof structure and an electrical distribution cabinet obtained by the above design of the present utility model. During use, the external explosion-proof protection component protects the explosion-proof door panel. When an explosion occurs, the impact force of the explosion hits the protection door panel, and the protection door panel protects the explosion-proof door panel. At the same time, by pulling the limit grip to compress the spring, it is convenient to disengage the limit grip from the installation frame limit for opening the protection door panel. At the same time, when the explosion force hits the side wall of the explosion-proof cabinet body, the force is weakened by the end airbag and the side air, reducing the damage to the inside of the explosion-proof cabinet body, improving the service life of the internal components of the equipment, effectively reducing the damage to the internal components caused by the vibration and impact generated by the explosion on the explosion-proof cabinet body, and facilitating the protection of the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present utility model, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0018] Figure 1 is a schematic structural diagram of one side provided by the embodiment of the present utility model;

[0019] Figure 2 is a schematic structural diagram of the explosion-proof electrical cabinet body provided by the embodiment of the present utility model;

[0020] Figure 3 is an exploded structural diagram of the explosion-proof electrical cabinet body provided by the embodiment of the present utility model;

[0021] Figure 4 is a schematic structural diagram of the external explosion-proof protection component provided by the embodiment of the present utility model.

[0022] In the figure: 100 - explosion-proof electrical cabinet body; 110 - explosion-proof cabinet body; 120 - explosion-proof door panel; 130 - explosion-proof back panel; 131 - back panel; 132 - positioning angle iron; 133 - installation bolt; 134 - positioning bolt; 200 - auxiliary explosion-proof mechanism; 210 - internal explosion-proof protection component; 211 - inner wall panel; 212 - middle support block; 213 - corner support block; 214 - end airbag; 215 - side air; 220 - external explosion-proof protection component; 221 - installation frame; 222 - protection door panel; 223 - limit grip; 224 - limit ring; 225 - spring; 226 - handle. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model.

[0024] Please refer to Figure 1 and Figure 2 The present utility model provides a technical solution: an explosion-proof structure, including an explosion-proof electrical cabinet body 100 for protection. The explosion-proof electrical cabinet body 100 further includes an explosion-proof cabinet body 110 and an explosion-proof door panel 120, and further includes

[0025] an auxiliary explosion-proof mechanism 200. The auxiliary explosion-proof mechanism 200 includes an inner explosion-proof protection component 210 and an outer explosion-proof protection component 220. The inner explosion-proof protection component 210 is installed on the inner wall of the explosion-proof cabinet body 110, and the outer explosion-proof protection component 220 is hingedly installed on the outside of the explosion-proof cabinet body 110. The explosion-proof door panel 120 is hinged to the explosion-proof cabinet body 110, and the outer explosion-proof protection component 220 wraps around the outside of the explosion-proof door panel 120. The inner explosion-proof protection component 210 and the outer explosion-proof protection component 220 are used to improve the protection ability of the explosion-proof electrical cabinet body 100 and reduce the damage to the internal components of the explosion-proof electrical cabinet body 100.

[0026] Please refer to Figure 2 and Figure 3 The inner explosion-proof protection component 210 includes an inner wall plate 211. Middle support blocks 212 are fixedly connected to the four walls of the inner wall plate 211 respectively, and the other ends of the middle support blocks 212 are fixedly connected to the inner wall of the explosion-proof cabinet body 110 respectively. Corner support blocks 213 are fixedly connected to the four edges of the inner wall plate 211 respectively, and the other sides of the corner support blocks 213 are fixedly connected to the four edges of the inner wall of the explosion-proof cabinet body 110 respectively. The middle support blocks 212 and the corner support blocks 213 are used to connect the inner wall plate 211 and the explosion-proof cabinet body 110. End air bags 214 are respectively arranged at the top and bottom of the inner wall plate 211, and the end air bags 214 are respectively located between the corner support blocks 213 and the middle support blocks 212. Side air bags 215 are respectively arranged on both sides of the inner wall plate 211, and the side air bags 215 are respectively arranged between the middle support blocks 212 and the corner support blocks 213. The end air bags 214 and the side air bags 215 can be replaced with other buffer materials such as foam boards. The corner support blocks 213 are arranged in a Z shape, and the corner support blocks 213 are vertically and fittingly installed on the four edges of the inner wall plate 211. There are multiple middle support blocks 212, and the multiple middle support blocks 212 are respectively equally installed between the two corner support blocks 213.

[0027] Please refer to Figures 2 to 4, the external explosion-proof protection component 220 includes an installation frame 221, which is fixedly installed on one side of the explosion-proof cabinet body 110. One side of the installation frame 221 is hinged with a protection door panel 222. The protection door panel 222 is in limit snap connection with the installation frame 221, and a handle 226 is installed on the back of the protection door panel 222 in a limit rotation manner. The installation frame 221 is arranged on three sides, and the protection door panel 222 is arranged in an L shape. The convex side of the protection door panel 222 corresponds to and fits with the empty side of the installation frame 221. The inside of the vertical connection part of the protection door panel 222 is arranged in an arc shape, and the snap connection part of the installation frame 221 and the protection door panel 222 is correspondingly arranged. At both ends of one side of the protection door panel 222, there are limit through holes for a limit grip 223. A limit ring 224 is fixedly connected to the middle of the limit grip 223. The limit ring 224 slides in a limit manner inside the convex part of the protection door panel 222. Limit grooves are opened at the corresponding positions of the installation frame 221 and the limit grip 223. A spring 225 is sleeved on the limit grip 223. One end of the spring 225 is fixedly connected to the limit ring 224, and the other end of the spring 225 abuts against the inner wall of the protection door panel 222. By pulling the limit grip 223, the limit between the protection door panel 222 and the installation frame 221 is released, which is convenient for protecting the explosion-proof door panel 120.

[0028] An electrical distribution cabinet, including an explosion-proof back panel 130 installed on the back of the explosion-proof cabinet body 110. The explosion-proof back panel 130 includes a back panel 131 and positioning angle irons 132. The back panel 131 is fixedly installed on the back of the explosion-proof cabinet body 110. One side of the positioning angle iron 132 is connected with an installation bolt 133, and the installation bolt 133 is in threaded connection with the back panel 131. The other side of the positioning angle iron 132 is connected with a positioning bolt 134, and the positioning bolt 134 is connected to the wall to improve the stability of the explosion-proof cabinet body 110 and prevent it from tipping over.

[0029] Working principle: The back of the explosion-proof cabinet body 110 is fixedly installed on the wall through the cooperation of the positioning angle iron 132, the installation bolt 133 and the positioning bolt 134. At the same time, the external explosion-proof protection component 220 protects the explosion-proof door panel 120. When an explosion occurs, the impact force of the explosion impacts the protection door panel 222, and the protection door panel 222 protects the explosion-proof door panel 120. At the same time, by pulling the limit grip 223, the spring 225 is compressed, which is convenient for the limit grip 223 to disengage from the installation frame 221 to open the protection door panel 222. At the same time, when the explosion force impacts the side wall of the explosion-proof cabinet body 110, the force is weakened by the end airbag 214 and the side airbag 215, reducing the damage to the inside of the explosion-proof cabinet body 110 and improving the service life of the internal components of the equipment.

[0030] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. For those skilled in the art, the present utility model may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. An explosion-proof structure includes an explosion-proof electrical cabinet body for protection. The explosion-proof electrical cabinet body further includes an explosion-proof cabinet body and an explosion-proof door panel, and is characterized in that, It also includes an auxiliary explosion-proof mechanism, which includes an inner explosion-proof protection component and an outer explosion-proof protection component. The inner explosion-proof protection component is installed on the inner wall of the explosion-proof cabinet body. The outer explosion-proof protection component is hingedly installed on the outside of the explosion-proof cabinet body. The explosion-proof door panel is hinged to the explosion-proof cabinet body, and the outer explosion-proof protection component wraps the outside of the explosion-proof door panel.

2. The explosion-proof structure according to claim 1, characterized in that: The inner explosion-proof protection component includes an inner wall plate. Middle support blocks are fixedly connected to the four walls of the inner wall plate respectively. The other ends of the middle support blocks are fixedly connected to the inner wall of the explosion-proof cabinet body respectively. Corner support blocks are fixedly connected to the four edges of the inner wall plate respectively. The other sides of the corner support blocks are fixedly connected to the four edges of the inner wall of the explosion-proof cabinet body respectively.

3. An explosion-proof structure according to claim 2, characterized in that: End air bags are respectively arranged at the top and bottom of the inner wall plate, and the end air bags are respectively located between the corner support blocks and the middle support blocks.

4. An explosion-proof structure according to claim 2, characterized in that: Side air bags are respectively arranged on both sides of the inner wall plate, and the side air bags are respectively arranged between the middle support blocks and the corner support blocks.

5. An explosion-proof structure according to claim 2, characterized in that: The corner support blocks are arranged in a Z shape and are vertically and fittingly installed on the four edges of the inner wall plate. There are multiple middle support blocks, and the multiple middle support blocks are respectively equally installed between the two corner support blocks.

6. An explosion-proof structure according to claim 1, characterized in that: The outer explosion-proof protection component includes an installation frame, which is fixedly installed on one side of the explosion-proof cabinet body. A protection door panel is hinged to one side of the installation frame. The protection door panel is limited and clamped with the installation frame. A handle is installed on the back of the protection door panel in a limited rotation manner.

7. The explosion-proof structure according to claim 6, characterized in that: The installation frame is arranged on three sides, and the protection door panel is arranged in an L shape. The protruding side of the protection door panel corresponds and fits with the empty side of the installation frame. The inside of the vertical connection part of the protection door panel is arranged in an arc shape, and the clamping part of the installation frame and the protection door panel is correspondingly arranged.

8. An explosion-proof structure according to claim 7, characterized in that: Limit grips are limitedly penetrated through both ends of one side of the protection door panel. A limit ring is fixedly connected to the middle of the limit grip. The limit ring is limited and slides inside the protruding part of the protection door panel. Limit grooves are opened at the corresponding positions of the installation frame and the limit grip.

9. An explosion-proof structure according to claim 8, characterized in that: A spring is sleeved on the limit grip. One end of the spring is fixedly connected to the limit ring, and the other end of the spring abuts against the inner wall of the protection door panel.

10. An electrical distribution cabinet, comprising an explosion-proof structure according to any one of claims 1-9, characterized in that: An explosion-proof back panel is installed on the back of the explosion-proof cabinet body. The explosion-proof back panel includes a back panel and positioning angle irons. The back panel is fixedly installed on the back of the explosion-proof cabinet body. One side of the positioning angle iron is connected with a mounting bolt, and the mounting bolt is threadedly connected with the back panel. The other side of the positioning angle iron is connected with a positioning bolt, and the positioning bolt is connected to the wall.

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