Cabin door with quick pressure relief structure

Abstract

This utility model discloses an oxygen chamber door with a rapid depressurization structure, relating to the technical field of oxygen chamber doors. The oxygen chamber door with a rapid depressurization structure includes a door body with a channel hole on its surface. A positioning ring is disposed on the surface of the door body outside the channel hole. Multiple positioning seats are vertically disposed on one side of the door body near its edge. A sealing assembly is engaged on the surface of the door body outside the positioning ring. A door is disposed on the surface of the door body, and multiple hinges are vertically disposed on one side of the door surface near its edge, with one side of each hinge connected to a positioning seat. The sealing assembly includes an inflatable sealing strip engaged on the outside of the positioning ring. The inlet and outlet ends of the inflatable sealing strip are connected to an inlet pipe and an outlet pipe, respectively. This utility model effectively achieves both sealing and rapid depressurization.

Description

Technical Field

[0001] This utility model relates to the field of oxygen chamber door technology, specifically an oxygen chamber door with a rapid depressurization structure. Background Technology

[0002] The hyperbaric oxygen chamber door refers to the entrance door of a hyperbaric oxygen chamber. It is a key component in the structure of the chamber, a medical device used to provide patients with a pure oxygen environment at pressures higher than normal atmospheric pressure to treat certain diseases or promote wound healing. The door is usually made of high-pressure resistant materials, such as stainless steel or special alloys, to ensure structural integrity even under high pressure. The door design must be able to withstand the high pressure inside the chamber and provide a good seal when closed.

[0003] The commonly used depressurization structure in oxygen chambers involves openings in the chamber and installing a separate depressurization valve. The depressurization time is approximately 3 minutes, and the valve is a one-piece metal structure. Therefore, in emergencies, such as when the equipment control system malfunctions and cannot automatically depressurize, personnel inside the chamber cannot quickly exit. Traditional metal depressurization valves cannot be manually intervened to achieve depressurization, which in turn prevents personnel from quickly exiting the chamber and compels personal safety. Therefore, we have proposed an oxygen chamber hatch with a rapid depressurization structure to solve the above-mentioned problems. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an oxygen chamber hatch with a rapid depressurization structure, which solves the problem that traditional metal depressurization valves cannot be manually intervened to achieve depressurization, thus preventing personnel from quickly exiting the chamber and compromising personal safety.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an oxygen chamber door with a rapid depressurization structure, comprising a door body, a channel hole being provided on the surface of the door body, a positioning ring being provided on the surface of the door body and outside the channel hole, and multiple positioning seats being vertically provided on one side of the surface of the door body and near the edge.

[0006] A sealing assembly is engaged on the surface of the door body and outside the positioning ring. A hatch is provided on the surface of the door body, and multiple hinges are vertically arranged on one side of the hatch surface and at the edge position. One side of the hinges is connected to the positioning seat.

[0007] Preferably, the sealing assembly includes an inflatable sealing strip that engages with the outside of the positioning ring, wherein the inlet end and outlet end of the inflatable sealing strip are respectively connected to an inlet pipe and an outlet pipe.

[0008] The air inlet pipe and the air outlet pipe are respectively connected in series with a first solenoid valve and a second solenoid valve.

[0009] Preferably, a three-way valve is connected in series on the air outlet pipe and on the side of the air inlet of the second solenoid valve. One end of the three-way valve is connected to a pressure regulating valve, and a pressure detector is connected to one side of the pressure regulating valve.

[0010] Preferably, the inner diameter of the positioning ring is larger than the inner diameter of the channel hole.

[0011] Preferably, the plurality of positioning seats correspond one-to-one with the plurality of hinges, and the two are connected by screws.

[0012] Preferably, a pad is vertically provided on the surface of the positioning ring and on the side away from the positioning seat.

[0013] Preferably, a handle is provided in the center of the surface of the hatch.

[0014] Beneficial effects

[0015] This invention provides an oxygen chamber hatch with a rapid depressurization structure. Compared with the prior art, it has the following advantages:

[0016] This oxygen chamber hatch with a quick-release structure can be fixed in a designated position through the door body, while also allowing easy passage for personnel through the passage hole. It also provides an installation base for the positioning ring and multiple positioning seats. These positioning seats, in conjunction with corresponding hinges, allow for the installation of the hatch, facilitating easy opening and closing. Because a sealing component is engaged on the surface of the door body, outside the positioning ring, when the hatch needs to be closed and sealed, the hatch is first closed, and then the sealing component is inflated. This inflation causes the sealing component to expand, filling and sealing the gap between the hatch and the door body. This ensures a tight seal when the hatch is closed, and guarantees that the pressure inside the sealing component is higher than the pressure inside the chamber, preventing the inflated sealing strip from deforming when the hatch is sealed.

[0017] In case of emergency exit, the air intake of the sealing assembly is closed and the air exhaust is opened, causing the sealing assembly to lose its sealing function and rapidly depressurize the cabin, allowing personnel to quickly open it. At the same time, personnel can also manually intervene by removing the exhaust pipe or even damaging the sealing strip, allowing the pressure inside the cabin to quickly release outward through the gaps in the door, ensuring personal safety. Furthermore, personnel can disassemble and replace damaged or aging sealing components, which can greatly save maintenance costs and improve the convenience and efficiency of maintenance. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall exploded structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the main structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the AA cross-sectional structure of this utility model;

[0021] Figure 4 This is a schematic diagram of the normal state structure of the partial B sealing assembly of this utility model;

[0022] Figure 5 This is a schematic diagram of the structure of the partial B-sealing assembly of this utility model in normal inflation state;

[0023] Figure 6 This is a schematic diagram of the partial B sealing assembly of this utility model, located away from the positioning retaining ring.

[0024] Figure 7 This is a schematic diagram of the sealing component structure of this utility model.

[0025] In the diagram: 1. Door body; 2. Positioning ring; 3. Positioning seat; 4. Sealing assembly; 41. Inflatable sealing strip; 42. Air inlet pipe; 43. First solenoid valve; 44. Air outlet pipe; 45. Second solenoid valve; 46. Three-way valve; 47. Pressure regulating valve; 48. Pressure detector; 5. Hatch door; 6. Hinge; 7. Pad block. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] Please see Figure 1-6 This utility model provides a technical solution: an oxygen chamber door with a rapid depressurization structure, including a door body 1, a channel hole on the surface of the door body 1, a positioning ring 2 on the surface of the door body 1 outside the channel hole, and multiple positioning seats 3 vertically arranged on one side of the surface of the door body 1 near the edge; a sealing component 4 is engaged on the surface of the door body 1 outside the positioning ring 2; a door 5 is provided on the surface of the door body 1, and multiple hinges 6 are vertically arranged on one side of the surface of the door 5 near the edge, and one side of the hinges 6 is connected to the positioning seats 3;

[0028] The door body 1 can be fixed in a designated position while allowing easy passage for personnel through the passage hole. It also provides an installation base for the positioning ring 2 and multiple positioning seats 3. These positioning seats 3, in conjunction with corresponding hinges 6, allow for the installation of the hatch 5, facilitating easy opening and closing. Since a sealing component 4 is engaged on the surface of the door body 1, outside the positioning ring 2, when the hatch 5 needs to be closed and sealed, the hatch 5 is first closed, and then the sealing component 4 is inflated. This inflation causes the sealing component 4 to expand, filling and sealing the gap between the hatch 5 and the door body 1, thus enabling... To ensure the airtightness of hatch 5 after it is closed, and to ensure that the pressure inside sealing assembly 4 is higher than the pressure inside the cabin, the air-filled sealing strip will not deform when the hatch is sealed. In case of emergency exit, the air intake of sealing assembly 4 is closed and the air exhaust of sealing assembly 4 is opened, so that sealing assembly 4 loses its sealing function and the pressure inside the cabin is quickly released, so that the personnel can open it quickly. At the same time, the personnel can also manually intervene by pulling out the exhaust pipe or even damaging the sealing strip, so that the pressure inside the cabin can be quickly released outward through the gaps in the hatch, and the personnel can still exit the cabin quickly, ensuring personal safety. Furthermore, the personnel can disassemble and replace damaged or aged parts of sealing assembly 4, which can greatly save its maintenance costs and improve its maintenance convenience and efficiency.

[0029] See Figures 3-7 The sealing assembly 4 includes an inflatable sealing strip 41 that engages with the outside of the positioning ring 2. The inlet end and outlet end of the inflatable sealing strip 41 are respectively connected to an inlet pipe 42 and an outlet pipe 44. A first solenoid valve 43 and a second solenoid valve 45 are respectively connected in series on the inlet pipe 42 and the outlet pipe 44. A three-way valve 46 is connected in series on the outlet pipe 44 and on the side of the inlet end of the second solenoid valve 45. One end of the three-way valve 46 is connected to a pressure regulating valve 47, and one side of the pressure regulating valve 47 is connected to a pressure detector 48.

[0030] The inflatable sealing strip 41 in the sealing assembly 4 can both engage with the outside of the positioning ring 2, allowing for quick installation and removal of the sealing strip by personnel for easy maintenance, and connect to the air inlet pipe 42 and the air outlet pipe 44. By opening the first solenoid valve 43, the air supply device connected to the air inlet pipe 42 can supply air to the inflatable sealing strip 41, causing the inflatable sealing strip 41 to inflate and fill the gap between the hatch 5 and the door body 1, ensuring the airtightness of the hatch 5 when closed. In case of emergency exit, the first solenoid valve 43 is closed to allow air in, and the air outlet is opened. The second solenoid valve 45 on the air pipe 44 vents air, causing the inflatable sealing strip 41 to lose its sealing function and rapidly depressurize the cabin, making it easy for staff to open quickly. Since a three-way valve 46 is connected in series on the air outlet pipe 44 and on the side of the air inlet of the second solenoid valve 45, and one end of the three-way valve 46 is connected to a pressure regulating valve 47, the pressure inside the air bladder of the inflatable sealing strip 41 can be guaranteed to be higher than the pressure inside the cabin, so that the inflatable sealing strip 41 does not deform when the cabin door 5 is sealed. The pressure detector 48 can control the pressure inside the inflatable sealing strip 41 to make its pressure greater than the pressure inside the cabin, ensuring that the gap between the cabin door 5 and the door body 1 is fully filled and sealed by the inflatable sealing strip 41.

[0031] See Figure 1 , Figure 3 The inner diameter of the positioning ring 2 is larger than the inner diameter of the channel hole, which can prevent the positioning ring 2 from affecting the passage of personnel through the channel hole.

[0032] See Figure 1 Each of the multiple positioning seats 3 corresponds to a single hinge 6, and the two are connected by screws. The hinge 6 can be fixed to the positioning seat 3 by screws.

[0033] See Figure 1 , Figure 3 and Figure 4 A pad 7 is vertically provided on the surface of the positioning ring 2 and on the side away from the positioning seat 3. The pad 7 is larger than the thickness of the inflatable sealing strip 41 when the inflatable sealing strip 41 is not inflated, so that there is a gap between the hatch 5 and the door body 1 when the inflatable sealing strip 41 is not inflated.

[0034] See Figure 1 A handle is provided in the center of the surface of the hatch 5, which makes it easy for staff to open or close the hatch 5.

[0035] During operation, the door 1 can be fixed in a designated position while allowing easy passage for personnel through the passageway. It also provides an installation base for the positioning ring 2 and multiple positioning seats 3. These positioning seats 3, in conjunction with corresponding hinges 6, allow for the installation of the hatch 5, facilitating easy opening and closing. Since a sealing component 4 is engaged on the surface of the door 1, outside the positioning ring 2, when the hatch 5 needs to be closed and sealed, the hatch 5 is first closed, and then the sealing component 4 is inflated. This inflation causes the sealing component 4 to expand, filling and sealing the gap between the hatch 5 and the door 1, thus facilitating... It can ensure the airtightness of the hatch 5 after it is closed, and ensure that the pressure inside the sealing component 4 is higher than the pressure inside the cabin, so that the air-filled sealing strip does not deform when the hatch is sealed. When an emergency exit is required, the air intake of the sealing component 4 is closed and the air exhaust of the sealing component 4 is opened, so that the sealing component 4 loses its sealing function and the pressure inside the cabin is quickly released, so that the staff can open it quickly. At the same time, the staff can also manually intervene by pulling out the exhaust pipe or even damaging the sealing strip, so that the pressure inside the cabin can be quickly released to the outside through the gap of the hatch, and the personnel can still exit the cabin quickly, ensuring personal safety. Furthermore, the staff can disassemble and replace the damaged or aged parts of the sealing component 4, which can greatly save its maintenance costs and improve its maintenance convenience and efficiency.

[0036] The inflatable sealing strip 41 in the sealing assembly 4 can both engage with the outside of the positioning ring 2, allowing for quick installation and removal of the sealing strip by personnel for easy maintenance, and connect to the air inlet pipe 42 and the air outlet pipe 44. By opening the first solenoid valve 43, the air supply device connected to the air inlet pipe 42 can supply air to the inflatable sealing strip 41, causing the inflatable sealing strip 41 to inflate and fill the gap between the hatch 5 and the door body 1, ensuring the airtightness of the hatch 5 when closed. In case of emergency exit, the first solenoid valve 43 is closed to allow air in, and the air outlet is opened. The second solenoid valve 45 on the air pipe 44 vents air, causing the inflatable sealing strip 41 to lose its sealing function and rapidly depressurize the cabin, making it easy for staff to open quickly. Since a three-way valve 46 is connected in series on the air outlet pipe 44 and on the side of the air inlet of the second solenoid valve 45, and one end of the three-way valve 46 is connected to a pressure regulating valve 47, the pressure inside the air bladder of the inflatable sealing strip 41 can be guaranteed to be higher than the pressure inside the cabin, so that the inflatable sealing strip 41 does not deform when the cabin door 5 is sealed. The pressure detector 48 can control the pressure inside the inflatable sealing strip 41 to make its pressure greater than the pressure inside the cabin, ensuring that the gap between the cabin door 5 and the door body 1 is fully filled and sealed by the inflatable sealing strip 41.

[0037] Since a pad 7 is vertically provided on the surface of the positioning ring 2 and on the side away from the positioning seat 3, and the pad 7 is larger than the thickness of the inflatable sealing strip 41 when it is not inflated, a gap can be maintained between the hatch 5 and the door body 1 when the inflatable sealing strip 41 is not inflated.

[0038] In summary, this device can effectively achieve both sealing and rapid pressure relief.

[0039] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

Claims

1. An oxygen cabin door with a quick pressure relief structure, comprising a door body (1), a through hole is arranged on the surface of the door body (1), characterized in that: A positioning ring (2) is provided on the surface of the door body (1) and outside the channel hole, and multiple positioning seats (3) are provided vertically on one side of the surface of the door body (1) and near the edge. A sealing assembly (4) is engaged on the surface of the door body (1) and outside the positioning ring (2). A hatch (5) is provided on the surface of the door body (1), and a plurality of hinges (6) are vertically arranged on one side of the surface of the hatch (5) and at the edge position. One side of the hinges (6) is connected to the positioning seat (3).

2. The oxygen cabin door with a quick pressure relief structure according to claim 1, characterized in that: The sealing assembly (4) includes an inflatable sealing strip (41) that engages with the outside of the positioning ring (2), and the inlet end and outlet end of the inflatable sealing strip (41) are respectively connected to an inlet pipe (42) and an outlet pipe (44). The intake pipe (42) and the exhaust pipe (44) are respectively connected in series with a first solenoid valve (43) and a second solenoid valve (45).

3. The oxygen chamber door with a rapid depressurization structure according to claim 2, characterized in that: A three-way valve (46) is connected in series on the air outlet pipe (44) and on the side of the air inlet end of the second solenoid valve (45). One end of the three-way valve (46) is connected to a pressure regulating valve (47), and a pressure detector (48) is connected to one side of the pressure regulating valve (47).

4. The chamber door with a quick pressure relief structure according to claim 1, characterized in that: The inner diameter of the positioning ring (2) is larger than the inner diameter of the channel hole.

5. The airlock door with a quick pressure relief structure according to claim 1, characterized in that: Each of the multiple positioning seats (3) corresponds to one of the multiple hinges (6), and the two are connected by screws.

6. The rapid decompression door of claim 1, wherein: A pad (7) is vertically provided on the surface of the positioning ring (2) and on the side away from the positioning seat (3).

7. The rapid decompression door of claim 1, wherein: A handle is provided in the middle of the surface of the hatch (5).

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