Fireproof and waterproof sealing door for power distribution room

Abstract

The invention relates to the field of power distribution room sealing doors, in particular to a fireproof and waterproof sealing door for a power distribution room, which comprises a door plate main body and a door frame main body, the door plate main body is rotatably connected with the door frame main body, and a door plate cooling assembly is arranged on one side of the door plate main body and used for cooling the door plate main body. A communicating device is arranged in the door plate cooling assembly and used for communicating the door plate body with the door plate cooling assembly, and a pneumatic driving mechanism is arranged on the other side of the door plate cooling assembly, makes contact with the communicating device and drives the communicating device to rotate under the influence of high temperature. The door deformation caused by the fact that a metal material expands thermally at high temperature and a gap between the door plate and the door frame may be extruded can be avoided, and the frictional wear between the sealing assembly at the bottom of the door plate and the ground when the door plate rotates is avoided, so that the sealing performance and the waterproofness of the device are improved.

Description

Technical Field

[0001] The present invention relates to the field of sealed doors for power distribution rooms, and specifically to a fireproof and waterproof sealed door for power distribution rooms. Background Art

[0002] The sealed door for a power distribution room is a door specially designed to improve the safety and protection performance of the power distribution room. It is usually made of high-strength materials such as steel or iron to ensure stability and durability in a high-voltage electric field environment. The key components of the sealed door include the door leaf, door frame, sealing strip, and locking system, aiming to prevent fires, floods, dust, and other potential hazardous substances from entering the power distribution room.

[0003] The existing sealed doors for power distribution rooms generally use sealing strips for sealing to improve the sealing performance and waterproofness. However, when the sealed door opens and closes, the sealing strip at the bottom will rub against the ground, resulting in wear and tear, thus reducing its sealing performance and affecting the waterproof effect. At the same time, when the existing sealed door faces excessive temperatures in a fire, the metal material will undergo thermal expansion at high temperatures, and the door panel may squeeze the gap between the door panel and the door frame, causing the door to deform. And when exposed to high temperatures for a long time, the sealed door may bend, warp, or twist, affecting the sealing effect and fireproof effect.

[0004] The present invention aims to solve the technical problems existing in the prior art. For this purpose, a fireproof and waterproof sealed door for a power distribution room is proposed. Summary of the Invention

[0005] The purpose of the present invention is to provide a fireproof and waterproof sealed door for a power distribution room to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solutions:

[0007] A fireproof and waterproof sealed door for a power distribution room includes a door panel main body and a door frame main body. The door panel main body is rotatably connected to the door frame main body. One side of the door panel main body is provided with a door panel cooling component for cooling the door panel main body. Inside the door panel cooling component, there is a communication device for communicating the door panel main body with the door panel cooling component. On the other side of the door panel cooling component, there is a pneumatic driving mechanism in contact with the communication device. The pneumatic driving mechanism drives the communication device to rotate under the influence of high temperature;

[0008] One side of the door panel main body is provided with a door panel bottom sealing component for waterproof sealing of the bottom of the door panel main body. Inside the door panel main body, there is a pressing and limiting component for pushing the door panel bottom sealing component to tilt, so as to cancel the contact between the door panel bottom sealing component and the ground.

[0009] As a further solution of the present invention: The door frame main body includes a door frame. A limit frame is provided on one side of the door frame. A sealing strip is provided on one side of the limit frame. The sealing strip is used for waterproof sealing of the top and both sides of the door panel main body. A door hinge is provided on one side of the door frame. The door hinge is rotatably connected to the door panel main body.

[0010] As a further solution of the present invention: The door panel main body includes a door panel. The door panel is sleeved on the cylindrical surface of the door hinge and is rotatably connected to the door hinge. A diversion groove is opened inside the door panel. The door panel is connected to the door panel cooling assembly through the diversion groove, so that the water in the door panel cooling assembly enters the diversion groove to cool the door panel. A pushing member is provided on one side of the door panel. The pushing member is used to drive the pressing and limiting assembly to move.

[0011] As a further solution of the present invention: The door panel cooling assembly includes a water tank. The water tank is fixedly connected to the door panel. A plurality of metal hoses are provided on one side of the water tank. Threaded joints are provided at both ends of the metal hoses. One end of the metal hose is threadedly connected to the water tank through the threaded joint. The other end of the metal hose is threadedly connected to the water tank through the threaded joint. The metal hose is used to connect the diversion groove and the water tank. A pneumatic driving mechanism is provided on one side of the water tank.

[0012] As a further solution of the present invention: The pneumatic driving mechanism includes a sealed box. The sealed box is fixedly connected to the water tank. Nitrogen is filled inside the sealed box. A plurality of guide pipes are provided on one side of the sealed box. The guide pipes extend into the water tank. A push rod is provided on the guide pipe. The push rod is in sliding contact with the guide pipe. The other end of the push rod is matched with the connecting device. A heat-conducting metal thin plate is provided on one side of the sealed box.

[0013] As a further solution of the present invention: The connecting device includes a lever. The lever is located in the water tank and is fixedly connected to the water tank. A plurality of rotating blocks are rotatably connected to the cylindrical surface of the lever. The upper parts of the plurality of rotating blocks are respectively in sliding contact with the plurality of push rods. A connecting groove is opened in each of the plurality of rotating blocks. A connecting rod is slidably connected to the rotating block through the connecting groove. The other end of the connecting rod is provided with a communication hole. The communication hole is in vertical sliding contact with the water tank. The communication hole is connected to the water tank due to the connection of the connecting groove. A plurality of connecting pieces are provided on the cylindrical surface of the communication hole.

[0014] As a further solution of the present invention: The pressing and limiting assembly includes a moving plate and an L-shaped limiting rod. The moving plate and the L-shaped limiting rod are located in the door panel. One side of the moving plate is in contact with the pushing member. The moving plate is matched with the bottom sealing assembly of the door panel. A special card slot is opened on one side of the moving plate. A rotating rod is fixedly connected to one side of the L-shaped limiting rod. The L-shaped limiting rod is rotatably connected to the door panel through the rotating rod. The other end of the L-shaped limiting rod extends into the special card slot and is in sliding contact with the moving plate.

[0015] As a further solution of the present invention: The bottom sealing assembly of the door panel includes a rotating plate. One side of the rotating plate is provided with a rotating shaft, and the rotating plate is rotatably connected to the door panel through the rotating shaft. The rotating plate is in contact with the moving plate, and one end of the rotating plate is provided with an elastic sealing block for waterproof sealing of the bottom of the door panel.

[0016] Compared with the prior art, the beneficial effects of the present invention are as follows: 1. When the door panel body is closed, the sealing strip can perform waterproof sealing on both sides and the top of the door panel, and the bottom sealing assembly of the door panel performs waterproof sealing on the bottom of the door panel. At the same time, step on the pushing member, that is, the pushing member pushes the moving plate to move, and the moving plate then pushes the bottom sealing assembly of the door panel to rotate, so that the bottom sealing assembly of the door panel cancels contact with the ground, thus avoiding friction and wear between the bottom sealing assembly of the door panel and the ground when the door panel rotates, thereby improving the sealing performance and waterproof performance of the device.

[0017] 2. When a fire occurs, the nitrogen gas inside the pneumatic drive mechanism expands and contracts due to heat, and the gas squeezes the push rod to move the push rod to the left. The other end of the push rod pushes the rotating block to perform a lever movement with the lever as the rotating shaft. The other end of the rotating block squeezes the connecting rod to move the connecting rod and the communication hole downward. To a certain extent, the communication hole connects the water tank and the metal hose, that is, the water in the water tank enters the metal hose through the connecting piece, and then the water enters the diversion groove through the metal hose to cool the door panel body, avoiding the thermal expansion that may occur to the metal material at high temperature, and the door panel may be squeezed by the gap between the door panel and the door frame, resulting in door deformation. Description of the Drawings

[0018] Figure 1 It is a schematic structural diagram of a fireproof and waterproof sealing door for a power distribution room.

[0019] Figure 2 It is a cross-sectional view of the door frame main body in a fireproof and waterproof sealing door for a power distribution room.

[0020] Figure 3 It is a schematic structural diagram of the door panel main body in a fireproof and waterproof sealing door for a power distribution room.

[0021] Figure 4 It is an internal schematic diagram of the door panel cooling component in a fireproof and waterproof sealing door for a power distribution room.

[0022] Figure 5 It is a schematic structural diagram of the connection device in a fireproof and waterproof sealing door for a power distribution room.

[0023] Figure 6 It is a cross-sectional view of the pressing and limiting component in a fireproof and waterproof sealing door for a power distribution room.

[0024] Figure 7 It is a schematic diagram of the special card slot in a fireproof and waterproof sealing door for a power distribution room.

[0025] 1 - Door panel main body, 2 - Door frame main body, 3 - Door panel cooling device, 4 - Door panel bottom sealing assembly, 5 - Pneumatic driving mechanism, 6 - Connecting device, 7 - Pressing and limiting assembly, 101 - Door panel, 102 - Flow guiding groove, 103 - Pushing member, 201 - Door frame, 202 - Limiting frame, 203 - Sealing strip, 204 - Door hinge, 301 - Water tank, 302 - Metal hose, 303 - Threaded joint, 401 - Rotating shaft, 402 - Rotating plate, 403 - Elastic sealing block, 501 - Guide tube, 502 - Push rod, 503 - Sealing box, 504 - Heat conducting metal sheet, 601 - Rotating block, 602 - Connecting groove, 603 - Connecting rod, 604 - Connecting hole, 605 - Connecting member, 606 - Lever, 701 - Moving plate, 702 - Rotating rod, 703 - L-shaped limiting rod, 704 - Special card slot. Detailed implementation manners

[0026] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present invention, and should not be construed as limiting the present invention.

[0027] The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, the components and settings of specific examples are described below. Of course, they are only examples and are not intended to limit the present invention. In addition, the present invention may repeat reference numerals and / or letters in different examples. This repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0028] Please refer to Figures 1-7 , a fireproof and waterproof sealing door for a power distribution room, including a door panel main body 1 and a door frame main body 2. The door panel main body 1 is rotatably connected to the door frame main body 2. A door panel cooling assembly 3 is provided on one side of the door panel main body 1. The door panel cooling assembly 3 is used to cool the door panel main body 1. A connecting device 6 is provided inside the door panel cooling assembly 3. The connecting device 6 is used to connect the door panel main body 1 and the door panel cooling assembly 3. A pneumatic driving mechanism 5 is provided on the other side of the door panel cooling assembly 3. The pneumatic driving mechanism 5 is in contact with the connecting device 6. The pneumatic driving mechanism 5 drives the connecting device 6 to rotate under the influence of high temperature, which can avoid the thermal expansion of metal materials at high temperature, and the gap between the door panel and the door frame may be squeezed, resulting in door deformation;

[0029] One side of the door panel main body 1 is provided with a door panel bottom sealing assembly 4, and the door panel bottom sealing assembly 4 is used for waterproof sealing the bottom of the door panel main body 1. A pressing and limiting assembly 7 is arranged inside the door panel main body 1, and the pressing and limiting assembly 7 is used to push the door panel bottom sealing assembly 4 to make the door panel bottom sealing assembly 4 tilt, so as to cancel the contact between the door panel bottom sealing assembly 4 and the ground, thereby avoiding friction and wear between the door panel bottom sealing assembly 4 and the ground when the door panel 101 rotates, and thus improving the sealing performance and waterproof performance of the device.

[0030] Please refer to Figures 1-2 , the door frame main body 2 includes a door frame 201. One side of the door frame 201 is provided with a limiting frame 202, and one side of the limiting frame 202 is provided with a sealing strip 203. The sealing strip 203 is used for waterproof sealing the top and both sides of the door panel main body 1. One side of the door frame 201 is provided with a door shaft 204, and the door shaft 204 is rotatably connected to the door panel main body 1. When the door panel 101 is closed, the sealing strip 203 can perform waterproof sealing on both sides and the top of the door panel 101.

[0031] Please refer to Figure 1 , Figure 3 , Figure 4 and Figure 6 , the door panel main body 1 includes a door panel 101. The door panel 101 is sleeved on the cylindrical surface of the door shaft 204 and is rotatably connected to the door shaft 204. A diversion groove 102 is opened inside the door panel 101, and the door panel 101 is connected to the door panel cooling assembly 3 through the diversion groove 102, so that the water in the door panel cooling assembly 3 enters the diversion groove 102 to cool the door panel 101. One side of the door panel 101 is provided with a pushing member 103, and the pushing member 103 is used to drive the pressing and limiting assembly 7 to move. The water in the water tank 301 enters the metal hose 302 through the connecting member 605, and then the water enters the diversion groove 102 through the metal hose 302 to cool the door panel 101.

[0032] Please refer to Figure 3 and Figure 4 , the door panel cooling assembly 3 includes a water tank 301. The water tank 301 is fixedly connected to the door panel 101. A plurality of metal hoses 302 are arranged on one side of the water tank 301. Threaded joints 303 are arranged at both ends of the metal hose 302. One end of the metal hose 302 is threadedly connected to the water tank 301 through the threaded joint 303, and the other end of the metal hose 302 is threadedly connected to the water tank 301 through the threaded joint 303. The metal hose 302 is used to connect the diversion groove 102 and the water tank 301. A pneumatic driving mechanism 5 is arranged on one side of the water tank 301.

[0033] Please refer to Figure 3 and Figure 4, the pneumatic driving mechanism 5 includes a sealed box 503 which is fixedly connected to the water tank 301. Nitrogen is filled inside the sealed box 503. A number of guide pipes 501 are provided on one side of the sealed box 503. The guide pipes 501 extend into the water tank 301. Push rods 502 are arranged in the guide pipes 501. The push rods 502 are in sliding contact with the guide pipes 501. The other ends of the push rods 502 cooperate with the connection device 6. A heat-conducting metal thin plate 504 is provided on one side of the sealed box 503. When a fire breaks out inside the power distribution room, the temperature inside the power distribution room rises significantly. The temperature is transmitted to the inside of the guide pipe 501 through the heat-conducting metal thin plate 504, causing the nitrogen to expand and contract thermally. That is, the nitrogen pushes the push rod 502 to move to the left, and the push rod 502 squeezes the rotating block 601 to make it perform a lever movement.

[0034] Please refer to Figure 4 and Figure 5 , the connection device 6 includes a lever 606 which is located in the water tank 301 and fixedly connected to the water tank 301. A number of rotating blocks 601 are rotatably connected to the cylindrical surface of the lever 606. The upper parts of the number of rotating blocks 601 are respectively in sliding contact with the number of push rods 502. A connection groove 602 is provided on each of the number of rotating blocks 601. A connecting rod 603 is slidably connected to the rotating block 601 through the connection groove 602. The other end of the connecting rod 603 is provided with a communication hole 604. The communication hole 604 is in vertical sliding contact with the water tank 301. Since the communication hole 604 is connected to the connection groove 602 and the water tank 301, a number of connecting pieces 605 are provided on the cylindrical surface of the communication hole 604. The rotating block 601 rotates with the lever 606 as the lever. The lower end of the rotating block 601 squeezes the connecting rod 603 to move it downward, and the connecting rod 603 drives the communication hole 604 to move downward. The communication hole 604 drives the connecting piece 605 to move. When the communication hole 604 moves to a certain extent, the communication hole 604 connects the metal hose 302 and the water tank 301. That is, a part of the connecting pieces 605 are located in the water tank 301, and a part of the connecting pieces 605 are located in the threaded joint 303. Water can then flow into the threaded joint 303 and the metal hose 302 through the connecting pieces 605, and then enter the diversion groove 102 through the metal hose 302 to cool the door panel 101.

[0035] Please refer to Figure 6 and Figure 7 , the pressing and limiting component 7 includes a moving plate 701 and an L-shaped limiting rod 703. The moving plate 701 and the L-shaped limiting rod 703 are located in the door panel 101. One side of the moving plate 701 is in contact with the pushing member 103. The moving plate 701 cooperates with the bottom sealing component 4 of the door panel. A special card slot 704 is provided on one side of the moving plate 701. A rotating rod 702 is fixedly connected to one side of the L-shaped limiting rod 703. The L-shaped limiting rod 703 is rotatably connected to the door panel 101 through the rotating rod 702. The other end of the L-shaped limiting rod 703 extends into the special card slot 704 and is in sliding contact with the moving plate 701.

[0036] Please refer to Figure 2 and Figure 6 , the bottom sealing assembly 4 of the door panel includes a rotating plate 402. A rotating shaft 401 is arranged on one side of the rotating plate 402. The rotating plate 402 is rotatably connected to the door panel 101 through the rotating shaft 401. The rotating plate 402 is in contact with the moving plate 701. An elastic sealing block 403 is arranged at one end of the rotating plate 402. The elastic sealing block 403 is used for waterproof sealing at the bottom of the door panel 101. The moving plate 701 drives the special card slot 704 to move. Since one end of the L-shaped limiting rod 703 is located in the special card slot 704 and is in sliding contact with the moving plate 701, the other end of the L-shaped limiting rod 703 is rotatably connected to the door panel 101 through a rotating rod 702, that is, the L-shaped limiting rod 703 moves along the special card slot 704 from the rightmost intersection point of the special card slot 704 to Figure 7 the position where the L-shaped limiting rod 703 is located in Figure 7 . When the pusher 103 is pressed again, the pusher 103 drives the moving plate 701 to move. The moving plate 701 drives the special card slot 704 to move. The L-shaped limiting rod 703 moves along the special card slot 704 from the position where the L-shaped limiting rod 703 is located in

[0037] The working principle of the present invention is as follows: When a fire breaks out inside the power distribution room, the temperature inside the power distribution room rises significantly. The temperature is transmitted through the heat-conducting metal thin plate 504 to the inside of the guide tube 501, causing the nitrogen gas to expand and contract due to heat. That is, the nitrogen gas pushes the push rod 502 to move to the left. The push rod 502 then squeezes the rotating block 601 to make it perform a lever movement. That is, the rotating block 601 rotates with the lever 606 as the lever. The lower end of the rotating block 601 then squeezes the connecting rod 603 to move it downward. The connecting rod 603 drives the communication hole 604 to move downward. The communication hole 604 drives the connecting member 605 to move. When the communication hole 604 moves to a certain extent, the communication hole 604 connects the metal hose 302 and the water tank 301. That is, a part of the connecting member 605 is located in the water tank 301, and a part of the connecting member 605 is located in the threaded joint 303. Water can then flow through the connecting member 605 into the threaded joint 303 and the metal hose 302, and then enter the diversion groove 102 through the metal hose 302 to cool the door panel 101, reducing the influence of high temperature on the door panel 101. Step on the pushing member 103, and the pushing member 103 pushes the moving plate 701 to move. The moving plate 701 then pushes the rotating plate 402 to rotate and tilt with the rotating shaft 401 as the rotating shaft. The rotating shaft 401 drives the elastic sealing block 403 to rotate, which can cancel the contact between the elastic sealing block 403 and the ground. Among them, the moving plate 701 drives the special card slot 704 to move. Since one end of the L-shaped limiting rod 703 is located in the special card slot 704 and is in sliding contact with the moving plate 701, the other end of the L-shaped limiting rod 703 is rotatably connected to the door panel 101 through the rotating rod 702. That is, the L-shaped limiting rod 703 moves along the special card slot 704 from the rightmost intersection point of the special card slot 704 to Figure 7 the position where the L-shaped limiting rod 703 is located. When the pushing member 103 is pressed again, the pushing member 103 drives the moving plate 701 to move. The moving plate 701 drives the special card slot 704 to move. The L-shaped limiting rod 703 Figure 7 moves along the special card slot 704 from the position where the L-shaped limiting rod 703 is located to the rightmost intersection point of the special card slot 704 for reset. The moving plate 701 cancels the pushing of the rotating plate 402. The rotating plate 402 drives the elastic sealing block 403 to contact the ground to perform waterproof sealing on the bottom of the door panel 101.

[0038] In the description of this specification, the description referring to terms such as "one embodiment", "some embodiments", "examples", "specific examples", or "some examples", etc. means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, without contradiction, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples.

[0039] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A fireproof and waterproof sealed door for a power distribution room, comprising a door panel body and a door frame body, characterized in that: The door panel body is rotatably connected to the door frame body, a door panel cooling assembly is provided on one side of the door panel body, the door panel cooling assembly is used to cool the door panel body, a connecting device is provided inside the door panel cooling assembly, the connecting device is used to connect the door panel body and the door panel cooling assembly, and a pneumatic driving mechanism is provided on the other side of the door panel cooling assembly, the pneumatic driving mechanism is in contact with the connecting device, and the pneumatic driving mechanism is affected by the high temperature to drive the connecting device to rotate; A door panel bottom sealing assembly is arranged on one side of the door panel body, and the door panel bottom sealing assembly is used to waterproofly seal the bottom of the door panel body. A press-limit assembly is arranged inside the door panel body, and the press-limit assembly is used to push the door panel bottom sealing assembly to tilt the door panel bottom sealing assembly, thereby eliminating the contact between the door panel bottom sealing assembly and the ground.

2. A fireproof and waterproof sealed door for a power distribution room according to claim 1, characterized in that: The door frame body includes a door frame, a limiting frame is arranged on one side of the door frame, a sealing strip is arranged on one side of the limiting frame, the sealing strip is used to waterproof the top and both sides of the door panel body, and a door shaft is arranged on one side of the door frame, and the door shaft is rotatably connected to the door panel body.

3. A fireproof and waterproof sealed door for a power distribution room according to claim 2, characterized in that: The door panel body includes a door panel, which is sleeved on the cylindrical surface of the door shaft and is rotatably connected to the door shaft. A guide groove is opened inside the door panel, and the door panel is connected to a door panel cooling component through the guide groove, so that water in the door panel cooling component enters the guide groove to cool the door panel. A pushing member is arranged on one side of the door panel, and the pushing member is used to drive the pressing limit component to move.

4. A fireproof and waterproof sealed door for a power distribution room according to claim 3, characterized in that: The door panel cooling assembly includes a water tank, which is fixedly connected to the door panel. A plurality of metal hoses are arranged on one side of the water tank. Threaded joints are arranged at both ends of the metal hoses. One end of the metal hose is threadedly connected to the water tank through a threaded joint, and the other end of the metal hose is threadedly connected to the water tank through a threaded joint. The metal hose is used to connect the guide groove and the water tank. A pneumatic drive mechanism is arranged on one side of the water tank.

5. A fireproof and waterproof sealed door for a power distribution room according to claim 4, characterized in that: The pneumatic drive mechanism includes a sealed box, which is fixedly connected to a water tank and filled with nitrogen. A plurality of guide tubes are arranged on one side of the sealed box, the guide tubes extend into the water tank, and push rods are arranged on the guide tubes. The push rods are in sliding contact with the guide tubes, and the other end of the push rods cooperates with a connecting device. A heat-conducting metal sheet is arranged on one side of the sealed box.

6. A fireproof and waterproof sealed door for a power distribution room according to claim 5, characterized in that: The connecting device includes a lever, which is located in the water tank and fixedly connected to the water tank. A plurality of rotating blocks are rotatably connected to the cylindrical surface of the lever. The upper parts of the plurality of rotating blocks are respectively in sliding contact with a plurality of push rods. A connecting groove is provided on the plurality of rotating blocks. The rotating blocks are slidably connected to a connecting rod through the connecting groove. A connecting hole is provided on the other end of the connecting rod. The connecting hole is in vertical sliding contact with the water tank. Since the connecting hole connects the connecting groove and the water tank, a plurality of connecting parts are provided on the cylindrical surface of the connecting hole.

7. The fireproof and waterproof sealed door for a power distribution room according to claim 3, characterized in that: The press limit assembly includes a moving plate and an L-shaped limit rod, the moving plate and the L-shaped limit rod are located in the door panel, one side of the moving plate is in contact with the pushing member, the moving plate cooperates with the sealing assembly at the bottom of the door panel, a special slot is opened on one side of the moving plate, a rotating rod is fixedly connected to one side of the L-shaped limit rod, the L-shaped limit rod is rotatably connected to the door panel through the rotating rod, and the other end of the L-shaped limit rod extends into the special slot and is in sliding contact with the moving plate.

8. A fireproof and waterproof sealed door for a power distribution room according to claim 7, characterized in that: The door panel bottom sealing assembly includes a rotating plate, a rotating shaft is arranged on one side of the rotating plate, the rotating plate is rotatably connected to the door panel via the rotating shaft, the rotating plate is in contact with the movable plate, and an elastic sealing block is arranged at one end of the rotating plate, the elastic sealing block is used for waterproof sealing the bottom of the door panel.

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