Airtight door suitable for hyperbaric oxygen chamber

Abstract

The utility model relates to the technical field of air-tight doors, and discloses an air-tight door suitable for a hyperbaric oxygen chamber, which comprises a door body, a handle is fixedly connected to the front surface of the door body, a sealing assembly is arranged on the inner wall of the door body, and in order to prevent the door body from influencing the sealing performance in the frequent opening and closing process, after the door body is closed, the air-tight door is closed. A movable rod is pressed to enable a pressing plate to move downwards, air in a mounting piece enters an air bag through a connecting pipe, the air bag expands, a limiting block is clamped into a limiting groove, then the movable rod is rotated to enable the limiting block to be located at the transverse straight portion of the limiting groove, the movable rod is limited, and then the outer surface of an elastic piece makes contact with the inner wall of the door frame; and after the air bag is used for a long time and is deflated, a fixing rod is pressed to enable a spring to contract, the position of a through hole corresponds to the position of a through groove, so that external air can enter a mounting piece, and then a movable rod is pulled to enable a pressing plate to be reset to be repressed for inflation.

Description

TECHNICAL FIELD

[0001] The utility model relates to airtight door technical field, specifically to airtight door suitable for high pressure oxygen storehouse. BACKGROUND

[0002] The high density door is the facility for preventing the direct convection of the partitioned space and the outside air, forming a certain negative pressure in the partitioned space to reduce the mutual pollution of the partitioned space and the outside space, and is suitable for nuclear power station, hospital, food factory, industrial plant and the like requiring higher sound insulation, heat insulation and air tightness.

[0003] According to the airtight door suitable for high pressure oxygen storehouse (announcement number: CN219672505U) disclosed, the cooperation of the air bag and the sealing pressing plate in the above application makes the air bag expand after being pressurized and protrude out of the groove, and the sealing pressing plate is tightly attached to the inner wall of the airtight door frame body due to the expansion of the air bag, so that the outer surface of the sealing pressing plate and the air bag is tightly attached to the airtight door frame body, thereby completing the sealing of the airtight door.

[0004] However, the air bag will rub against the door frame during the opening and closing of the door body in the actual use process of the above-mentioned device, which will cause damage to the air bag and thus result in poor sealing of the door body. In view of this, the airtight door suitable for high pressure oxygen storehouse is proposed. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an airtight door suitable for high pressure oxygen storehouse to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an airtight door suitable for high pressure oxygen storehouse, comprising a door body, a handle fixedly connected to the front surface of the door body, a sealing assembly arranged on the inner wall of the door body, the sealing assembly comprising:

[0007] A fixing frame is fixedly connected to the side of the inner wall of the door body, an installation piece is fixedly connected to the side of the inner wall of the door body, a connecting pipe is fixedly connected to the outer surface of the installation piece, and an air bag is fixedly connected to the end of the connecting pipe;

[0008] An active piece is fixedly connected to the bottom of the inner wall of the installation piece, an active rod is movably connected to the inside of the active piece, a pressing plate is fixedly connected to the outer surface of the active rod, and a limiting block is fixedly connected to the outer surface of the active rod;

[0009] A fixing piece is fixedly connected to the front surface of the installation piece, a limiting groove is formed in the upper surface of the fixing piece, a placing groove is formed in the outer surface of the door body, and an elastic piece is fixedly connected to the inside of the placing groove.

[0010] Preferably, the size of the air bag is matched with the size of the placing groove, and the air bag is arranged in the placing groove, so that the air bag can be well installed in the placing groove.

[0011] Preferably, the limiting groove is arranged in an L shape, and the position of the limiting groove corresponds to the position of the limiting block, so that the limiting block can be well clamped in the limiting groove.

[0012] Preferably, the position of the mounting piece is at the center of the door body, and the inside of the movable piece communicates with the inside of the fixed piece, so that the movable rod can pass through the top of the inside of the movable piece and be in the inside of the fixed piece.

[0013] Preferably, the inside of the fixed rod is arranged in a hollow manner, and the inside of the fixed rod communicates with the through hole.

[0014] Preferably, the end of the fixed rod is arranged in a penetrating manner through the movable sleeve and the mounting piece.

[0015] Compared with the prior art, the air-tight door suitable for the hyperbaric oxygen cabin has the following beneficial effects:

[0016] 1. The air-tight door suitable for the hyperbaric oxygen cabin, in order to not affect the sealing property of the door body in the process of frequent opening and closing, after the door body is closed, the movable rod is pressed to move the pressing plate downward, the gas in the inside of the mounting piece enters the inside of the air bag through the connecting pipe, the air bag is inflated, the limiting block is clamped in the inside of the limiting groove, the movable rod is limited by the limiting block, the outer surface of the elastic piece is in contact with the inner wall of the door frame, the sealing property of the door body is better, the air bag can be protected, and the service life of the air bag is guaranteed.

[0017] 2. The air-tight door suitable for the hyperbaric oxygen cabin, in order to better re-inflate when the air bag shrinks after long-time use, after the air bag is deflated after long-time use, the fixed rod is pressed to contract the spring, the position of the through hole corresponds to the position of the through groove, so that the external air can enter the inside of the mounting piece, the limiting block is released from the limitation by rotating the movable rod, the pressing plate is reset by pulling the movable rod, the inside of the mounting piece is sealed by releasing the fixed rod, and the air bag is inflated by re-pressing the movable rod to extrude the air in the inside of the mounting piece. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional left view structural schematic view of the utility model;

[0019] Figure 2 It is the internal section view structure schematic view of the utility model;

[0020] Figure 3 It is the A area amplification structure schematic view of the utility model;

[0021] Figure 4 It is the sealing assembly structure schematic view of the utility model;

[0022] Figure 5 It is the installation piece section view structure schematic view of the utility model;

[0023] Figure 6 It is the B area amplification structure schematic view of the utility model.

[0024] In the drawing: 1, door body;2, handle;3, sealing assembly;301, fixed frame;302, installation piece;303, connecting pipe;304, air bag;305, movable piece;306, movable rod;307, pressing plate;308, limit block;309, fixed piece;310, limit slot;311, placing groove;312, elastic piece;4, auxiliary assembly;401, movable sleeve;402, through slot;403, spring;404, fixed rod;405, through hole. DETAILED DESCRIPTION

[0025] As Figures 1-6 shown, the utility model provides a kind of technical scheme: airtight door suitable for high pressure oxygen warehouse, including door body 1, door body 1 front fixedly connected with handle 2, the inner wall of door body 1 is provided with sealing assembly 3, sealing assembly 3 includes fixed frame 301, installation piece 302, connecting pipe 303, air bag 304, movable piece 305, movable rod 306, pressing plate 307, limit block 308, fixed piece 309, limit slot 310, placing groove 311 and elastic piece 312.

[0026] In the embodiment of the utility model, fixed frame 301 is fixedly connected to the inner wall side of door body 1, the inner wall side of door body 1 is fixedly connected with mounting piece 302, the position of mounting piece 302 is at the center of door body 1, the outer surface of mounting piece 302 is fixedly connected with connecting pipe 303, the end of connecting pipe 303 is fixedly connected with air bag 304, the size of air bag 304 is adapted to the size of placing groove 311, air bag 304 is arranged inside placing groove 311, so that air bag 304 can be well installed inside placing groove 311, movable piece 305 is fixedly connected to the inner wall bottom of mounting piece 302, the inside of movable piece 305 is communicated with the inside of fixed piece 309, this makes movable rod 306 can pass through the inside top of movable piece 305 in the inside of fixed piece 309, movable rod 306 is movably connected in the inside of movable piece 305, the outer surface of movable rod 306 is fixedly connected with pressing plate 307, the outer surface of movable rod 306 is fixedly connected with limiting block 308, fixed piece 309 is fixedly connected to the front of mounting piece 302, the upper surface of fixed piece 309 is provided with limiting groove 310, limiting groove 310 is arranged in L shape, the position of limiting groove 310 corresponds to the position of limiting block 308, so that limiting block 308 can be well clamped into the inside of limiting groove 310, the outer surface of door body 1 is provided with placing groove 311, and elastic piece 312 is fixedly connected in the inside of placing groove 311.

[0027] Meanwhile, the inner wall bottom of mounting piece 302 is provided with auxiliary assembly 4, auxiliary assembly 4 includes movable sleeve 401, movable sleeve 401 is fixedly connected to the inner wall bottom of mounting piece 302, the inner wall top of movable sleeve 401 is fixedly connected with spring 403, the outer surface of movable sleeve 401 is provided with through slot 402, the end of spring 403 is fixedly connected with fixed rod 404, the end of fixed rod 404 is arranged in penetrating movable sleeve 401 and mounting piece 302, the inside of fixed rod 404 is hollow, and the inside of fixed rod 404 is communicated with through hole 405, the outer surface of fixed rod 404 is provided with through hole 405, so that after air bag 304 is deflated after long time use, pressing fixed rod 404 makes spring 403 contract, the position of through hole 405 corresponds to the position of through slot 402, so that the outside air can enter the inside of mounting piece 302, meanwhile, rotating movable rod 306 makes limiting block 308 release limiting, pulling movable rod 306 makes pressing plate 307 reset, and releasing fixed rod 404 makes the inside of mounting piece 302 be sealed, re-pressing movable rod 306 makes pressing plate 307 extrude the air in the inside of mounting piece 302 and makes air bag 304 inflate.

[0028] In the utility model, when using, after closing the door body 1, press the movable rod 306 to make the pressing plate 307 move downwards, let the gas in the inside of the mounting piece 302 enter the inside of the air bag 304 through the connecting pipe 303, let the air bag 304 expand, make the limiting block 308 be clamped into the inside of the limiting slot 310, then rotate the movable rod 306 to let the limiting block 308 be in the horizontal straight part of the limiting slot 310, let the movable rod 306 be limited, then let the outer surface of the elastic piece 312 contact with the inner wall of the door frame, let the sealing property of the door body 1 be better.

[0029] Further, after the air bag 304 deflates after long time use, press the fixed rod 404 to let the spring 403 contract, make the position of the through hole 405 correspond to the position of the through slot 402, thereby let the external air enter the inside of the mounting piece 302, at the same time, rotate the movable rod 306 to let the limiting block 308 be released, pull the movable rod 306 to let the pressing plate 307 reset, and loosen the fixed rod 404 to let the inside of the mounting piece 302 be sealed, then press the movable rod 306 again to let the pressing plate 307 extrude the air in the inside of the mounting piece 302 to let the air bag 304 inflate.

[0030] The foregoing has made detailed description to the utility model, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to the general technical personnel in the technical field. Therefore, the modification or improvement without departing from the spirit of the utility model is within the protection scope of the utility model.

Claims

1. Airtight door suitable for high pressure oxygen cabin, comprising a door body (1), the door body (1) is fixedly connected with a handle (2) on the front face, characterized in that: The inner wall of the door body (1) is provided with a sealing assembly (3), which comprises A fixing frame (301) is fixedly connected to the inner wall side of the door body (1), and the inner wall side of the door body (1) is fixedly connected with a mounting piece (302), the outer surface of the mounting piece (302) is fixedly connected with a connecting pipe (303), and the end of the connecting pipe (303) is fixedly connected with an air bag (304); An active piece (305) is fixedly connected to the inner wall bottom of the mounting piece (302), the inside of the active piece (305) is movably connected with an active rod (306), the outer surface of the active rod (306) is fixedly connected with a pressing plate (307), and the outer surface of the active rod (306) is fixedly connected with a limiting block (308); A fixed piece (309) is fixedly connected to the front of the mounting piece (302), the upper surface of the fixed piece (309) is provided with a limiting groove (310), the outer surface of the door body (1) is provided with a placing groove (311), and the inside of the placing groove (311) is fixedly connected with an elastic piece (312).

2. The airlock door for a hyperbaric chamber of claim 1, wherein: The size of the air bag (304) is matched with the size of the placing groove (311), and the air bag (304) is arranged in the placing groove (311).

3. The airlock door for a hyperbaric chamber of claim 1, wherein: The limiting groove (310) is arranged in an L shape, and the position of the limiting groove (310) corresponds to the position of the limiting block (308).

4. The airlock door for a hyperbaric chamber of claim 1, wherein: The position of the mounting piece (302) is at the center of the door body (1), and the inside of the active piece (305) is communicated with the inside of the fixed piece (309).

5. The airlock door for a hyperbaric chamber of claim 1, wherein: The inner wall bottom of the mounting piece (302) is provided with an auxiliary assembly (4), and the auxiliary assembly (4) comprises an active sleeve (401), the active sleeve (401) is fixedly connected to the inner wall bottom of the mounting piece (302), the inner wall top of the active sleeve (401) is fixedly connected with a spring (403), the outer surface of the active sleeve (401) is provided with a through groove (402), the end of the spring (403) is fixedly connected with a fixed rod (404), and the outer surface of the fixed rod (404) is provided with a through hole (405).

6. A gas-tight door for a hyperbaric chamber according to claim 5, characterized in that: The end of the fixed rod (404) penetrates through the active sleeve (401) and the mounting piece (302), the inside of the fixed rod (404) is hollow, and the inside of the fixed rod (404) is communicated with the through hole (405).

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