CN110630151A - Pressure-resistant cabin door structure with uniform stress and self-sealing - Google Patents
Pressure-resistant cabin door structure with uniform stress and self-sealing Download PDFInfo
- Publication number
- CN110630151A CN110630151A CN201911061433.7A CN201911061433A CN110630151A CN 110630151 A CN110630151 A CN 110630151A CN 201911061433 A CN201911061433 A CN 201911061433A CN 110630151 A CN110630151 A CN 110630151A
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- Prior art keywords
- sealing
- cabin
- door body
- sealing strip
- door
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 128
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000001301 oxygen Substances 0.000 claims abstract description 27
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 27
- 239000000178 monomer Substances 0.000 claims description 15
- 239000007789 gas Substances 0.000 claims description 10
- 241000237983 Trochidae Species 0.000 claims description 9
- 241000283216 Phocidae Species 0.000 claims description 8
- 238000013459 approach Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 4
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 108010066057 cabin-1 Proteins 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000006837 decompression Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 206010021143 Hypoxia Diseases 0.000 description 1
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
- A61G10/00—Treatment rooms or enclosures for medical purposes
- A61G10/02—Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
- A61G10/023—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
- A61G10/026—Rooms for the treatment of patients at over- or under-pressure or at a variable pressure for hyperbaric oxygen therapy
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D3/00—Hinges with pins
- E05D3/06—Hinges with pins with two or more pins
- E05D3/12—Hinges with pins with two or more pins with two parallel pins and one arm
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B3/00—Window sashes, door leaves, or like elements for closing wall or like openings; Layout of fixed or moving closures, e.g. windows in wall or like openings; Features of rigidly-mounted outer frames relating to the mounting of wing frames
- E06B3/32—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing
- E06B3/34—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement
- E06B3/36—Arrangements of wings characterised by the manner of movement; Arrangements of movable wings in openings; Features of wings or frames relating solely to the manner of movement of the wing with only one kind of movement with a single vertical axis of rotation at one side of the opening, or swinging through the opening
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B5/00—Doors, windows, or like closures for special purposes; Border constructions therefor
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/16—Sealing arrangements on wings or parts co-operating with the wings
- E06B7/22—Sealing arrangements on wings or parts co-operating with the wings by means of elastic edgings, e.g. elastic rubber tubes; by means of resilient edgings, e.g. felt or plush strips, resilient metal strips
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Health & Medical Sciences (AREA)
- Emergency Medicine (AREA)
- Pulmonology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Mechanical Engineering (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
Abstract
The invention relates to a pressure-resistant cabin door structure with uniform stress and self sealing, which is used for a high-pressure oxygen cabin and comprises a cabin body, wherein one end of the cabin body is connected with a sealing head, an access is formed on the sealing head, the cabin door structure comprises a door body, a hinge base, a double-shaft hinge and a sealing strip, the door body is positioned on the inner side of the cabin body, the hinge base is connected to the inner side of the sealing head, one end of the double-shaft hinge is connected with the door body, the other end of the double-shaft hinge is connected with the hinge base, the sealing strip is fixedly connected to the edge of the access, the sealing strip is positioned on the inner side of the cabin body, a. The double-shaft hinge realizes parallel contact between the door body and the sealing strip in the door closing process, uniform stress is applied, self sealing of the cabin door can be realized without additionally adding a mechanism after the door body is closed, the door body can be bounced open by the self elasticity of the sealing strip after the treatment in the cabin body is finished and the pressure is reduced, the use is convenient, and the sealing performance is good.
Description
Technical Field
The invention relates to a pressure-resistant cabin door capable of being uniformly stressed and self-sealed, belonging to the technical field of hyperbaric oxygen cabins.
Background
The hyperbaric oxygen chamber is a novel device in the medical technical field in recent years, a chamber body of the hyperbaric oxygen chamber is usually a closed cylinder, pure oxygen or purified compressed air is input through a pipeline and a control system, oxygen dissolved in blood in the hyperbaric oxygen chamber is increased along with the increase of the pressure of the hyperbaric oxygen chamber, a doctor outside the hyperbaric oxygen chamber can be in contact with a patient through an observation window and an interphone, and the large oxygen chamber is provided with 10-20 seats.
At present, the sealing effect of the cabin door of the hyperbaric oxygen cabin in a closed state is not good, and air leakage is easy to happen particularly at low pressure. Researches find that the stress is uneven after the cabin door is attached to the cabin body, and the reason for uneven stress mainly comprises two points: firstly, the cabin door and the cabin body deform, and the fitting degree is not good; second, fixed hinge structure, the rotation type in-opening door passes through the hinge to be fixed in one side of door, and free one side and fixed one side are like this under the door closed condition, and it is even to hardly guarantee the atress of both sides, leads to local gas leakage. In the prior art, in order to increase the sealing performance of the cabin door, the cabin door must be pressed by force or an auxiliary mechanism is used for buckling the cabin door when the cabin door is closed, and the cabin door cannot be opened automatically after treatment is finished. In summary, a new cabin door technical solution is needed.
Disclosure of Invention
The invention aims to provide a pressure-resistant cabin door structure with uniform stress and self-sealing, wherein a door body is in parallel contact with a sealing strip and is uniformly stressed, self-sealing can be realized without additionally adding a mechanism after the door body is closed, the door body can be automatically bounced off after treatment is finished, and the sealing performance is good.
The technical scheme for solving the technical problems is as follows: the utility model provides a withstand voltage hatch door structure of even self sealss of atress for the hyperbaric oxygen cabin, the hyperbaric oxygen cabin includes the cabin body, cabin body one end is connected with the head, is formed with the access & exit on the head, and the hatch door structure is including the door body, hinge base, two-axis hinge and sealing strip, the door body is located the inboard of the cabin body, the hinge base is connected the inboard of head, two-axis hinge one end with door body coupling, two-axis hinge other end with hinge base connects, sealing strip fixed connection in the edge of access & exit, the sealing strip is located the cabin body is inboard, the door body passes through the parallel being close of two-axis hinge covers in the outside of sealing strip is with right the access.
As a preferred scheme of the pressure-resistant cabin door structure with uniform stress and self-sealing, the sealing strips are annularly distributed on the edges of the inlet and the outlet, a cavity sealed with gas is arranged in the center of the sealing strips, and the edge of the door body is pressed in the middle of the sealing strips.
As a preferred scheme of the pressure-resistant cabin door structure with uniform stress and self-sealing, the sealing strips are annularly distributed on the edges of the inlet and the outlet, a cavity sealed with gas is arranged in the center of the sealing strips, and the edge of the door body is pressed on the outer side of the sealing strips.
As the preferred scheme of the even withstand voltage hatch door structure of self sealss of atress, the two-axis hinge includes first fixed part, first rotation portion, swing arm, second rotation portion and second fixed part, two-axis hinge one end is passed through first fixed part with the door body is connected, first rotation portion connect in between first fixed part and the swing arm, the swing arm connect in between first rotation portion and the second rotation portion, the second rotation portion is connected the second fixed part, the other end of two-axis hinge is passed through the second fixed part with the hinge base is connected.
As a preferred scheme of the pressure-proof cabin door structure with uniform stress and self-sealing, the length of the swing arm is larger than the distance between the door body and the hinge base.
As a preferred scheme of the pressure-resistant cabin door structure with uniform stress and self-sealing, when the air pressure at the inner side of the door body is greater than the air pressure at the outer side of the door body, the door body approaches and presses the outer side of the sealing strip in parallel through the double-shaft hinge to block the access, and the magnitude of the pressing force is the product of the air pressure difference at the inner side and the outer side of the door body and the surface area of the door body.
As a preferred scheme of the pressure-resistant cabin door structure with uniform stress and self-sealing, after the door body is pressed on the outer side of the sealing strip, the sealing strip applies elasticity to the door body, and when the pressing force is smaller than the elasticity, the sealing strip bounces the door body.
As the preferred scheme of the even withstand voltage hatch door structure of self sealss of atress for the hyperbaric oxygen cabin, the hyperbaric oxygen cabin includes the cabin body, the cabin body is formed by a plurality of consecutive monomers of assembling, it is equipped with a set of monomer beaded finish to assemble between the monomer, is equipped with cabin sealing member and mounting between two adjacent monomer beaded finishes, in the clearance between two adjacent monomer beaded finishes of cabin sealing member embedding, the mounting is cyclic annular range in the edge of monomer beaded finish.
As a preferred scheme of the pressure-proof cabin door structure with uniform stress and self-sealing, the assembling single body comprises a top shell, a bottom shell and side plates; the top shell and the bottom shell are respectively in a C shape, and the assembled monomers formed among the top shell, the bottom shell and the side plates are in a square shape.
As a preferred scheme of the pressure-proof cabin door structure with uniform stress and self-sealing, an observation window is formed on the door body.
The invention is provided with a door body, a hinge base, a double-shaft hinge and a sealing strip, wherein the door body is distributed on the inner side of a cabin body, the hinge base is connected to the inner side of a sealing head, one end of the double-shaft hinge is connected with the door body, the other end of the double-shaft hinge is connected with the hinge base, the sealing strip is fixedly connected to the edge of an access, the sealing strip is positioned on the inner side of the cabin body, and the door body is parallelly close to and covers the outer side of the. The double-shaft hinge realizes parallel contact between the door body and the sealing strip in the door closing process, uniform stress is applied, self sealing of the cabin door can be realized without additionally adding a mechanism after the door body is closed, the door body can be bounced open by the self elasticity of the sealing strip after the treatment in the cabin body is finished and the pressure is reduced, the use is convenient, and the sealing performance is good.
Drawings
Fig. 1 is a schematic view of a pressure-proof door structure with uniform stress and self-sealing in an open state according to an embodiment of the present invention;
FIG. 2 is a schematic view of a pressure-resistant hatch door with uniform stress and self-sealing in a closed state according to an embodiment of the present invention;
fig. 3 is a schematic view of the pressure-proof door with uniform stress and self-sealing in a natural state according to an embodiment of the present invention.
In the figure, 1, a cabin body; 2. sealing the end; 3. an entrance and an exit; 4. a door body; 5. a hinge base; 6. a biaxial hinge; 7. a sealing strip; 8. a first fixed part; 9. a first rotating section; 10. a swing arm; 11. a second rotating part; 12. a second fixed part.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
Referring to fig. 1, 2 and 3, a pressure-proof cabin door structure with uniform stress and self-sealing is provided, which is used for a hyperbaric oxygen cabin, the hyperbaric oxygen chamber comprises a chamber body 1, one end of the chamber body 1 is connected with a seal head 2, an entrance 3 is formed on the seal head 2, the chamber door structure comprises a door body 4, a hinge base 5, a double-shaft hinge 6 and a sealing strip 7, the door body 4 is positioned at the inner side of the cabin body 1, an observation window (not shown) is formed on the door body 4, the hinge base 5 is connected with the inner side of the end socket 2, one end of the double-shaft hinge 6 is connected with the door body 4, the other end of the double-shaft hinge 6 is connected with the hinge base 5, the sealing strip 7 is fixedly connected with the edge of the access 3, the sealing strip 7 is positioned at the inner side of the cabin body 1, the door body 4 is close to and covers the outer side of the sealing strip 7 through the double-shaft hinge 6 in parallel so as to seal the entrance 3.
Specifically, the double-shaft hinge 6 includes a first fixed portion 8, a first rotating portion 9, a swing arm 10, a second rotating portion 11 and a second fixed portion 12, one end of the double-shaft hinge 6 is passed through the first fixed portion 8 and the door body 4 is connected, the first rotating portion 9 is connected between the first fixed portion 8 and the swing arm 10, the swing arm 10 is connected between the first rotating portion 9 and the second rotating portion 11, the second rotating portion 11 is connected to the second fixed portion 12, and the other end of the double-shaft hinge 6 is passed through the second fixed portion 12 and the hinge base 5 are connected. The length of the swing arm 10 is greater than the distance between the door body 4 and the hinge base 5. The process that the door body 4 is closed through the double-shaft hinge 6, under the state that will close, the door body 4 is not one side and contacts with the sealing strip 7 earlier, contacts with the sealing strip 7 behind the door body 4 other side, under the effect of first rotation portion 9, second rotation portion 11 and swing arm 10, whole door body 4 is parallel is close to the sealing strip 7 and evenly contacts with the sealing strip 7 simultaneously, under the pressurized circumstances in the cabin body 1, the door body 4 can closely combine with the sealing strip 7, has guaranteed the gas tightness of the door body 4.
Specifically, the fixing portion may be designed in a manner of a plate contacting the door body or the hinge base, and then the plate is fixed to the corresponding carrier by screws, and those skilled in the art may replace some other technical means with the same purpose based on the function of the fixing portion. The rotating part is designed without a rotating shaft, and taking the example that the component A rotates relative to the component B, the rotating shaft can be arranged in a cylindrical structure formed at the joint of the component A and the component B, and a person skilled in the art can replace other technical means with the same purpose based on the function of the rotating part.
In an embodiment of the pressure-resistant hatch door structure with uniform stress self-sealing, the sealing strip 7 is annularly distributed on the edge of the entrance 3, a cavity (not shown, existing sealing strip with cavity at present, but the bright point of the technical scheme lies in that high-pressure gas is filled in the cavity to ensure that the sealing strip has greater resilience) is arranged at the center of the sealing strip 7, and the edge of the door body 4 is pressed in the middle of the sealing strip 7. The sealing strip 7 with the cavity is adopted, the sealing strip 7 has high compression resilience due to the high-pressure gas sealed in the cavity, the edge of the door body 4 is pressed in the middle of the sealing strip 7, the sealing strip 7 is ensured to wrap the edge of the door body 4 to certain extent, the air tightness is ensured, and the door body 4 can be automatically bounced open under the condition of decompression in the cabin body 1.
In an embodiment of the pressure-resistant cabin door structure with uniform stress and self-sealing, the sealing strips 7 are annularly distributed on the edges of the entrance 3, a cavity for sealing gas is arranged in the center of the sealing strips 7, and the edge of the door body 4 is pressed on the outer side of the sealing strips 7. Conceivably, a groove matched with the sealing strip 7 is arranged at the edge of the door body 4, and the edge of the door body 4 is pressed on the outer side of the sealing strip 7, so that the air tightness of the door body 4 can be ensured.
Specifically, the principle that the door 4 realizes automatic sealing is that, when the air pressure on the inner side of the door 4 is greater than the air pressure on the outer side of the door 4, the door 4 is parallel to and close to the double-shaft hinge 6 and is pressed on the outer side of the sealing strip 7 to block the inlet and outlet 3, and the pressing force is the product of the air pressure difference on the inner side and the outer side of the door 4 and the surface area of the door 4. When the door 4 is closed, the door can be pressed by the atmospheric pressure inside the cabin 1 and the atmospheric pressure in the external environment outside the cabin 1, and the surface area of the door 4 is constant according to the relationship between the pressure and the pressure. In addition, after the door body 4 is pressed on the outer side of the sealing strip 7, the sealing strip 7 applies elastic force to the door body 4, and when the pressing force is smaller than the elastic force, the sealing strip 7 bounces the door body 4.
In one embodiment of the even self sealss pressure-proof hatch door structure of atress for the hyperbaric oxygen cabin, the hyperbaric oxygen cabin includes the cabin body 1, the cabin body 1 is formed by a plurality of consecutive monomers of assembling, it is equipped with a set of monomer beaded finish to assemble between the monomer, is equipped with cabin sealing member and mounting between two adjacent monomer beaded finishes, in the clearance between two adjacent monomer beaded finishes of cabin sealing member embedding, the mounting is cyclic annular range in the edge of monomer beaded finish. The assembling single body comprises a top shell, a bottom shell and side plates; the top shell and the bottom shell are respectively in a C shape, and the assembled monomers formed among the top shell, the bottom shell and the side plates are in a square shape. The modular assembly of the hyperbaric oxygen chamber can be realized, the transportation is convenient, and the installation is quick.
The invention is provided with a door body 4, a hinge base 5, a double-shaft hinge 6 and a sealing strip 7, wherein the door body 4 is arranged on the inner side of a cabin body 1, the hinge base 5 is connected on the inner side of a sealing head 2, one end of the double-shaft hinge 6 is connected with the door body 4, the other end of the double-shaft hinge 6 is connected with the hinge base 5, the sealing strip 7 is fixedly connected with the edge of an access 3, the sealing strip 7 is positioned on the inner side of the cabin body 1, and the door body 4 is parallelly close to and covers the outer side of the sealing strip 7. When the self-sealing door is used in a high-pressure oxygen chamber, a user enters the chamber body 1 and closes the door body 4, the door body 4 can be adjusted to be in parallel contact with the sealing strip 7 through the double-shaft hinge joint, and the door body 4 and the sealing strip 7 can be automatically attached after pressurization under the condition that the chamber body 1 is pressurized, so that the door body 4 is self-sealed. The hyperbaric oxygen cabin finishes using the back, the internal gas pressure of cabin reduces, sealing strip 7 is through self elasticity bullet door body 4 of opening, realize opening certainly of hyperbaric oxygen cabin, and external atmosphere can be rapid enter into cabin body 1 in, can be quick under the circumstances of the 1 oxygen suppliment of cabin body end obtains the outside air, prevent that the unexpected condition from appearing in the internal personnel oxygen deficiency of cabin body 1, and two-axis hinge 6 realizes closing door process door body 4 and sealing strip 7 parallel contact, even atress, need not additionally to increase the mechanism and can realize the hatch door self sealss after door body 4 closes, can rely on sealing strip 7 self elasticity bullet door body 4 after the decompression is finished to the internal treatment of cabin, high durability and convenient use, good sealing performance, safety and reliability.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a withstand voltage hatch door structure of even self sealss of atress for hyperbaric oxygen cabin, hyperbaric oxygen cabin is including the cabin body (1), cabin body (1) one end is connected with head (2), is formed with access & exit (3) on head (2), its characterized in that, the hatch door structure includes the door body (4), hinge base (5), two-axis hinge (6) and sealing strip (7), the door body (4) are located the inboard of the cabin body (1), hinge base (5) are connected the inboard of head (2), two-axis hinge (6) one end with door body (4) are connected, two-axis hinge (6) other end with hinge base (5) are connected, sealing strip (7) fixed connection in the edge of access & exit (3), sealing strip (7) are located cabin body (1) are inboard, door body (4) pass through the parallel being close of two-axis hinge (6) and cover in the outside of sealing strip (7) is with right go out The inlet (3) is blocked.
2. The pressure-resistant cabin door structure with uniform stress and self sealing as claimed in claim 1, wherein the sealing strip (7) is annularly distributed at the edge of the entrance (3), a cavity for sealing gas is arranged at the center of the sealing strip (7), and the edge of the door body (4) is pressed in the middle of the sealing strip (7).
3. The pressure-resistant cabin door structure with uniform stress and self sealing as claimed in claim 1, wherein the sealing strip (7) is annularly distributed at the edge of the entrance (3), a cavity for sealing gas is arranged at the center of the sealing strip (7), and the edge of the door body (4) is pressed on the outer side of the sealing strip (7).
4. The pressure-resistant hatch door structure with uniform stress and self sealing as claimed in claim 1, characterized in that said biaxial hinge (6) comprises a first fixing portion (8), a first rotating portion (9), a swing arm (10), a second rotating portion (11) and a second fixing portion (12), one end of said biaxial hinge (6) is connected to said door body (4) through said first fixing portion (8), said first rotating portion (9) is connected between said first fixing portion (8) and said swing arm (10), said swing arm (10) is connected between said first rotating portion (9) and said second rotating portion (11), said second rotating portion (11) is connected to said second fixing portion (12), and the other end of said biaxial hinge (6) is connected to said hinge base (5) through said second fixing portion (12).
5. The pressure-resistant hatch structure with uniform stress and self sealing as claimed in claim 4, characterized in that the length of the swing arm (10) is greater than the distance between the door body (4) and the hinge base (5).
6. The pressure-resistant hatch door structure with uniform stress and self sealing as claimed in claim 1 is characterized in that when the air pressure inside the door body (4) is greater than the air pressure outside the door body (4), the door body (4) approaches and presses the outer side of the sealing strip (7) in parallel through the biaxial hinge (6) to block the access opening (3), and the magnitude of the pressing force is the product of the air pressure difference between the inner side and the outer side of the door body (4) and the surface area of the door body (4).
7. The pressure-resistant hatch door structure with the uniform stress and the self sealing function as claimed in claim 6, characterized in that, after the door body (4) is pressed against the outer side of the sealing strip (7), the sealing strip (7) exerts an elastic force on the door body (4), and when the pressing force is smaller than the elastic force, the sealing strip (7) pops the door body (4) open.
8. The pressure-resistant cabin door structure with the uniform stress and the self-sealing function as claimed in claim 1 is used for a hyperbaric oxygen cabin, the hyperbaric oxygen cabin comprises a cabin body (1), the cabin body (1) is formed by a plurality of sequentially connected assembling single bodies, a group of single reinforcing rings are arranged between the assembling single bodies, a cabin sealing member and a fixing member are arranged between two adjacent single reinforcing rings, the cabin sealing member is embedded into a gap between the two adjacent single reinforcing rings, and the fixing member is annularly arranged at the edge of the single reinforcing rings.
9. The pressure-resistant hatch door structure with uniform stress and self sealing as claimed in claim 8, wherein the assembled single body comprises a top shell, a bottom shell and side plates; the top shell and the bottom shell are respectively in a C shape, and the assembled monomers formed among the top shell, the bottom shell and the side plates are in a square shape.
10. The pressure-resistant hatch structure with uniform stress and self-sealing as claimed in claim 1, characterized in that the door body (4) is formed with an observation window.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061433.7A CN110630151A (en) | 2019-11-01 | 2019-11-01 | Pressure-resistant cabin door structure with uniform stress and self-sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911061433.7A CN110630151A (en) | 2019-11-01 | 2019-11-01 | Pressure-resistant cabin door structure with uniform stress and self-sealing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110630151A true CN110630151A (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911061433.7A Pending CN110630151A (en) | 2019-11-01 | 2019-11-01 | Pressure-resistant cabin door structure with uniform stress and self-sealing |
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| CN (1) | CN110630151A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111899484A (en) * | 2020-07-31 | 2020-11-06 | 姚敦卫 | Intelligent high-temperature early warning device for power equipment |
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| CN211144235U (en) * | 2019-11-01 | 2020-07-31 | 烟台宏远氧业股份有限公司 | Pressure-resistant cabin door structure with uniform stress and self-sealing |
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