CN106618914A - Outward-opening type pressurizing cabin airtight door - Google Patents

Outward-opening type pressurizing cabin airtight door Download PDF

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Publication number
CN106618914A
CN106618914A CN201611154118.5A CN201611154118A CN106618914A CN 106618914 A CN106618914 A CN 106618914A CN 201611154118 A CN201611154118 A CN 201611154118A CN 106618914 A CN106618914 A CN 106618914A
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CN
China
Prior art keywords
compression chamber
hatch door
pressure
cabin
opening
Prior art date
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
Application number
CN201611154118.5A
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Chinese (zh)
Inventor
徐伟刚
黄国阳
周全
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Second Military Medical University SMMU
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Second Military Medical University SMMU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Second Military Medical University SMMU filed Critical Second Military Medical University SMMU
Priority to CN201611154118.5A priority Critical patent/CN106618914A/en
Publication of CN106618914A publication Critical patent/CN106618914A/en
Pending legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G10/00Treatment rooms or enclosures for medical purposes
    • A61G10/02Treatment rooms or enclosures for medical purposes with artificial climate; with means to maintain a desired pressure, e.g. for germ-free rooms
    • A61G10/023Rooms for the treatment of patients at over- or under-pressure or at a variable pressure
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B5/00Doors, windows, or like closures for special purposes; Border constructions therefor
    • E06B5/10Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes
    • E06B5/12Doors, windows, or like closures for special purposes; Border constructions therefor for protection against air-raid or other war-like action; for other protective purposes against air pressure, explosion, or gas
    • EFIXED CONSTRUCTIONS
    • E06DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06BFIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B7/00Special arrangements or measures in connection with doors or windows
    • E06B7/16Sealing arrangements on wings or parts co-operating with the wings
    • E06B7/22Sealing 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
    • E06B7/23Plastic, sponge rubber, or like strips or tubes
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61GTRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G2203/00General characteristics of devices
    • A61G2203/70General characteristics of devices with special adaptations, e.g. for safety or comfort

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Pulmonology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Accommodation For Nursing Or Treatment Tables (AREA)

Abstract

The invention relates to the technical field of high-pressure equipment structures and provides an outward-opening type pressurizing cabin airtight door. One side of an opening of the airtight door is provided with an annular groove, the groove surrounds the opening of a pressurizing cabin, and an air supply and exhaust hole is formed in the bottom of the groove and connected with a pressure reducing valve of a high-pressure air source and space in the pressurizing cabin through a three-way valve. A sealing ring is clamped in the groove. When the cabin door is closed and outward opening is limited, air is supplied to the air supply and exhaust hole, the high-pressure air pushes the whole sealing ring outward to compress the cabin door, a gap between the cabin door and a cabin body is sealed, and the pressurizing cabin is completely airtight; after high-pressure exposure decompression is completed, the air supply and exhaust hole is communicated with the space in the cabin through the three-way valve, air pressure of the sealing ring in the groove is released, compression of the sealing ring on the cabin door is relieved, and the cabin door can be easily opened. The airtight door has the advantage that air tightness of the outward-opening type pressurizing cabin door is achieved while simple operation is guaranteed.

Description

A kind of outward opening compression chamber gas-tight door
Technical field
The present invention relates to hyperbar device structure technical field, specifically a kind of outward opening compression chamber gas-tight door.
Background technology
Compression chamber is the Core equipment in hyperbar medical science and space flight, aeromedicine course teaching, scientific research and practice, extensively It is applied to decompression, the therapeutic compression of aviation and decompression disease, diver's compression exercise, spacefarer's tank training water surface Decompression and the research of all kinds of hyperbar medical experiments;In terms of the clinical practice of hyperbaric oxygentherapy, compression chamber is then even more to be had extensively Application, only China just has more than 5000 Medical pressure cabins, and quantity also continuing to increase, technology is also constantly being reformed In.Additionally, in mechanical engineering field, loading pressure vessel also has very many applications.
The air-tightness control of hatch door is a key technology of compression chamber design-build.Pressurization cabin door include swing-in and Outward opening two class.Whether swing-in or outward opening, is generally both needed to arrange sealing ring between hatch door and nacelle doorframe, to The air-tightness of hatch door, sealing ring is maintained to be installed on hatch door or doorframe surrounding in a fixed manner.Swing-in hatch door pressurization when, The pressure increased in cabin can be close to door on doorframe (have fixed sealing ring between the two), so lifting the same of security When also achieve air-tightness, implement simple, during all kinds of compression chambers are widely used in practice;In higher latent of operating pressure In water compression chamber, nearly all using this inward swinging door mode.However, this design, hatch door body and can take when opening and closing Space in many valuable cabins, be especially applicable to small-sized cabin (as in all kinds of, toy compression chamber) when, not only affect volume of compartment, Also have a strong impact on the turnover of article and animal.Also, often it is difficult to fit completely due to being limited to technique between hatch door and nacelle, in pressurization At the beginning of need to apply external force or to be just avoided that gas leakage using Quick-pressing mode;However, when having personnel or animal in cabin, just Phase pressurization needs slowly to carry out, and is otherwise easily caused barotrauma of middle ear.The door that opens the cabin within institute easily leaks air existing at the pressurization initial stage As.
To avoid hatch door from taking space in limited cabin, some small pressurized cabins employ outward opening door.In order to realize gas Close property, it is necessary to by way of using the pressurization fixation of multiple bolts, fitted in hatch door by fixed sealing ring using external force On nacelle doorframe.There are many shortcomings in this outward opening cabin door.First, it is cumbersome, close and opened door be both needed to spend compared with Many times tighten one by one or looser a bolt, it is impossible to meet personnel, animal or article in some needs cabins and quickly enter cabin, be particularly soon Speed goes out the situation in cabin;Secondly, air-tightness remains difficult, because the power that multiple bolts of hatch door surrounding act on hatch door is more difficult Weighing apparatus, leak air when easily pressure is increased to a certain degree in cabin, once and gas leakage, in order to ensure safety and must be by cabin Repressurization after bolt can be just re-secured after pressure release, is brought to diving operation, clinical practice or research work more dry Disturb factor;Finally, due to above-mentioned need bolt to apply larger external force and the more difficult situation in a balanced way of the force between bolt, easily Cause the structural failures such as hatch door, sealing ring and bolt, further affect security.
In view of the disadvantages mentioned above of existing pressurization hatch door, need badly design it is a kind of it is easy to operate, easily realize bubble-tight hatch door.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, solution outward opening pressurization storehouse gas-tight door is cumbersome, gas Close property maintains difficult problem.
To achieve the above object of the invention, there is provided a kind of outward opening compression chamber gas-tight door, including high-pressure air source, compression chamber, cabin Door-plate and hatch door opening and closing part, the high-pressure air source is passed through high pressure gas in compression chamber by high-pressure air feed pipe I;The hatch door folding Part is by the connecting cabin door-plate and compression chamber folding on compression chamber with control cabinet door-plate respectively;The hatch door plate is added by covering The closure of openings compression chamber of ballasting, opens up annular groove on the open face of the compression chamber, the groove is around compression chamber Opening arrangement, the bottom of groove opens up the confession steam vent for being communicated to high-pressure air source;Also card sets sealing ring in the groove.
Sealing ring is continuously without disconnection, and sealing ring is slightly larger than groove width, groove can be just included, to maintain bottom portion of groove one Fixed air-tightness.When hatch door plate is closed and boosted, bottom portion of groove air pressure is raised, and can be released the overall outwards translation of sealing ring, And because the restriction of hatch door plate will not completely disengage from groove.
The compression chamber is not to refer in particular to compression chamber entirety, can only be the cabin doorframe component of independent compression chamber etc broad sense yet Concept.
Preferably, one is also in series between the high-pressure air feed pipe I and high-pressure air source for controlling gas flow Triple valve, the triple valve by extend high-pressure air feed pipe II UNICOMs to for steam vent with will be for steam vent UNICOM to high pressure gas Source.
Triple valve provides two state model, connects high-pressure air source, indoor environment in opening and supplies steam vent, is closing Closed state is only turned on for steam vent and indoor environment, steam vent pressure release when needing to be vented by separately setting on compression chamber.Although Can in off position directly by triple valve pressure release, if but accidental switch off triple valve in the pressure process of this kind of situation, three Port valve will be communicated with extraneous atmospheric pressure environment, and sealing ring may be caused to reset and cause quick decompression.
When for steam vent for it is multiple when, the bifurcated at one end of high-pressure air feed pipe II and be adapted to for steam vent so that three Port valve can play the effect for collecting and distributing air-flow.
Preferably, the supply and discharge pore quantity is two or more.
Preferably, the confession steam vent is uniformly distributed in the bottom of annular groove.
Preferably, the sealing ring is pressure-resistant rubber or solid made by silica gel.
Preferably, the edge of the hatch door plate outwardly arranges postive stop baffle;The compression chamber is around aperture position The annular projection perpendicular to opening surface is disposed with, the annular projection top turns down the inverted sections to form ring-type to direction in ring; The breach for snapping in hatch door plate postive stop baffle is opened up on the inverted sections.
After hatch door plate postive stop baffle and inverted sections coordinate and snap in, rotatable cabin door-plate so that postive stop baffle snap in inverted sections with Gap between compression chamber opening surface, the hatch door plate after snapping in is to the sealing ring released after pressurization with the strong point, it is to avoid sealing ring Abjection.
Preferably, the postive stop baffle is uniformly and symmetrically distributed at the edge of hatch door plate.
Preferably, thickness of the distance in the gap between the inverted sections and compression chamber opening surface more than the postive stop baffle Degree.
Preferably, the hatch door opening and closing part includes active supporting arm, and one end of the active supporting arm is installed by hinge In the side of compression chamber, the active supporting arm other end opens up through hole;Cylinder contiguous block is worn in the through hole;The circle One end of cylinder contiguous block is perpendicularly fixed in the outside one side of the hatch door plate, other end fixed handle.
Preferably, it is arranged bearing in the through hole.
Using sealing strip be slightly larger than groove width, can just include groove, the certain air-tightness of bottom portion of groove can be maintained.It is recessed When trench bottom air pressure is raised sealing strip can integral translation outwards, abut against in the inside one side of hatch door plate, prevent gas in groove With gas leak in cabin, so as to provide bubble-tight guarantee for whole device.
The design of triple valve to allow and share same high-pressure air source for steam vent and compression chamber.Because goal pressure begins in compression chamber Reduce pressure valve outlet pressure less than high-pressure air source eventually, and the air pressure of groove inner seal ring bottom before pressurization starts i.e. and high-pressure air source Decompression valve outlet pressure is identical, so in whole pressurization, voltage stabilizing and decompression process, the air pressure of sealing ring bottom is consistently higher than cabin Internal pressure, sealing ring is overlayed all the time on hatch door, and the exposed whole process of hyperbar can keep splendid air-tightness.
Supply and discharge pore quantity can shunt gases at high pressure for two or more, and allow gases at high pressure to rapidly enter bottom portion of groove, So that sealing strip can rapidly enter the state fitted with hatch door plate when system is pressurizeed.
The bottom of annular groove is uniformly distributed in for steam vent so that when system is pressurizeed, sealing strip integrally can be translated outwards, Prevent sealing strip each several part pressure different and the caused situation generation for fitting uneven with hatch door plate, so as to reduce by fitting not The gas leak phenomenon for uniformly causing.
Sealing ring is pressure-resistant rubber or made by silica gel during solid, and the elasticity of sealing ring is stronger, when improving its pressure-bearing With the contact area between hatch door plate, groove walls, to strengthen air-tightness.
The cooperation of postive stop baffle and annular projection inverted sections, it is only necessary to postive stop baffle is snapped in and be rotated in place after breach Hatch door plate is fixed on the opening surface of compression chamber, working strength with bolts in prior art is reduced.
Postive stop baffle is uniformly and symmetrically distributed at the edge of hatch door plate, is that hatch door plate is resisted against after the pressurizing annular projection turnover Duan Shi, can uniform force, prevent hatch door plate opposed open face tilt, it is close with hatch door plate so as to reduce resulting sealing ring The phenomenon of Feng Buyan occurs.
The distance in the gap between inverted sections and compression chamber opening surface is more than the thickness of the postive stop baffle, to postive stop baffle With hatch door plate with the space of fore-aft travel, facilitate postive stop baffle to snap in after breach and rotate, it is to avoid the sealing ring mistake because space is too small Snap in difficulty, the phenomenon of abradable seal circle caused by prominent to occur.
Active supporting arm and cylinder contiguous block thereon, the rotation and fixation for hatch door plate provides fulcrum.Meanwhile, activity After support arm is rotated in place, because cylinder contiguous block relative in front and back can slide in through hole, to hatch door plate and its postive stop baffle The installation for snapping in breach provides certain free degree, also provides certain cushion space to sealing ring extrapolation during pressurization. The setting of hand also easily can rotate to hatch door plate.
Bearing provides sliding friction for cylinder contiguous block, interim card when reducing the rotation of hatch door plate and installing.Guarantee simultaneously Cylinder contiguous block can only carry out in through hole before and after finely tune, prevent hatch door plate opposed open face from tilting, so as to reduce thus The sealing ring of the generation phenomenon poorly sealed with hatch door plate occurs.
After hatch door is closed limits external-open, to supplying for steam vent, high pressure gas are integrally extrapolated sealing ring compressing hatch door, envelope The gap closed between hatch door and nacelle, compression chamber is completely airtight;After hyperbar exposure decompression terminates, three will be passed through for steam vent Port valve connects space in cabin, and air pressure release after groove inner seal ring, closed circle is released to the compressing of hatch door, hatch door can easily by Open.
The invention has the beneficial effects as follows can be in the case where guarantee be simple to operate, it is ensured that the air-tightness of compression chamber.
Description of the drawings
Fig. 1 is front schematic view when the airtight hatch door of the present invention is opened;
Fig. 2 is side profile schematic diagram when the airtight hatch door of the present invention is closed;
Fig. 3 is close-up schematic view when the airtight hatch door of the present invention is closed at A;
Fig. 4 is front schematic view when the airtight hatch door of the present invention is closed and do not rotate fixed
Wherein:
1- compression chamber 11- annular projection 111- inverted sections
2- hatch door plate 21- postive stop baffle 3- high-pressure air sources
41- high-pressure air feed pipe I 42- high-pressure air feed pipe II 5- triple valves
6- supplies steam vent 7- groove 8- sealing rings
9- active supporting arm 91- hinge 92- cylinder contiguous blocks
921- handles
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described.
A kind of outward opening compression chamber gas-tight door according to Fig. 1 to Fig. 4, including high-pressure air source 3, compression chamber 1, hatch door plate 2 and hatch door opening and closing part, the high-pressure air source 3 is passed through high pressure gas in compression chamber 1 by high-pressure air feed pipe I41;The hatch door is opened Component is by connecting cabin door-plate 2 and compression chamber 1 respectively with the folding on compression chamber 1 of control cabinet door-plate 2;The hatch door plate 2 passes through The closure of openings compression chamber 1 of compression chamber 1 is covered, annular groove 7, the groove 7 are opened up on the open face of the compression chamber 1 Opening around compression chamber 1 arranges that the bottom of groove 7 opens up the confession steam vent 6 for being communicated to high-pressure air source 3;In the groove 7 also Card sets sealing ring 8.
Sealing ring 8 is continuous without disconnection, and sealing ring 8 is wide slightly larger than groove 7, groove 7 can be just included, to maintain groove 7 The certain air-tightness in bottom.When hatch door plate 2 is closed and boosted, the bottom air pressure of groove 7 is raised, can be overall outwards by sealing ring 8 Translation is released, and because the restriction of hatch door plate 2 will not completely disengage from groove 7.The size of hatch door plate 2 is completely covered groove 7.Groove 7 Section is positive square, and its length of side (wide or deep) is determined, its even width, two side light by the sealing ring column diameter for being adopted It is sliding.
The compression chamber 1 is not to refer in particular to compression chamber entirety, can only be the cabin doorframe component of independent compression chamber etc yet Generalized concept.
A threeway for controlling gas flow is also in series between the high-pressure air feed pipe I41 and high-pressure air source 3 Valve 5, the triple valve 5, will be paramount for the UNICOM of steam vent 6 by extending high-pressure air feed pipe II42 UNICOMs to steam vent 6 is supplied Pressurized air source 3.Three ports on the triple valve 5 are respectively high pressure gas entrance, high-pressure air feed pipe I41 outlets and high-pressure air feed pipe II42 is exported.
Triple valve 5 provides two state model, and high-pressure air source 3, indoor environment is connected and for steam vent 6 in opening, Only turn in off position for steam vent 6 and indoor environment, when needing to be vented by the steam vent that separately sets on compression chamber 1 (in figure It is not shown, but according to description it will be appreciated by those skilled in the art that) pressure release.
When for steam vent 6 for it is multiple when, the bifurcated at one end of high-pressure air feed pipe II42 and be adapted to for steam vent 6 so that Obtaining triple valve 5 can play the effect for collecting and distributing air-flow.
When the sealing ring 8 for using is larger, the quantity of confession steam vent 6 is two or more.
The confession steam vent 6 is uniformly distributed in the bottom of annular groove 7.Hit exactly in the bottom of groove 7 for steam vent position 6.
The sealing ring 8 is pressure-resistant rubber or solid made by silica gel, and its diameter of section is according to the work of place compression chamber 1 Press and the gap size between hatch door plate 2 and the opening surface of compression chamber 1 depending on.
The edge of the hatch door plate 2 outwardly arranges postive stop baffle 21;The compression chamber 1 is being arranged around aperture position There is the annular projection 11 perpendicular to opening surface, the top of the annular projection 11 turns down the inverted sections to form ring-type to direction in ring 111;The breach for snapping in hatch door plate postive stop baffle 21 is opened up on the inverted sections 111.
After hatch door plate postive stop baffle 21 is snapped in the cooperation of inverted sections 111, rotatable cabin door-plate 2, so that postive stop baffle 21 is snapped in Gap between inverted sections 111 and the opening surface of compression chamber 1, the hatch door plate 2 after snapping in is to the sealing ring 8 released after pressurization with support Point, it is to avoid sealing ring 8 is deviate from.
The postive stop baffle 21 is uniformly and symmetrically distributed at the edge of hatch door plate 2.
Thickness of the distance in the gap between the inverted sections 111 and the opening surface of compression chamber 1 more than the postive stop baffle 21.
The hatch door opening and closing part includes active supporting arm 9, and one end of the active supporting arm 9 is installed on by hinge 91 and is added The side of ballasting 1, the other end of the active supporting arm 9 opens up through hole;Cylinder contiguous block 92 is worn in the through hole;The circle One end of cylinder contiguous block 92 is perpendicularly fixed in the outside one side of the hatch door plate 2, other end fixed handle 921.
Be arranged in the through hole bearing (not shown in figure, but according to description it will be appreciated by those skilled in the art that).
When the compression chamber 1 is only a kind of hatch door frame, groove 7 can also be described as and be arranged on around hatch door frame door opening.
The opening shape of compression chamber 1, can be circular, or square.If square, corner should be set to Circular arc, to ensure that sealing ring 8 being capable of smooth outer shifting under the gas pressure of bottom.
Concrete size and material in specific embodiment can be described as, wherein except sealing ring 8 be quality of rubber materials in addition to other All parts are made by stainless steel.When compression chamber 1 is cabin doorframe component, hatch door inframe footpath 300mm, external diameter 460mm, groove 7 Wide 9mm, depth 9mm;For the diameter 4mm of steam vent 6, the bottom surface of groove 7 is arranged on, the diameter of section 9.5mm of sealing ring 8;The hatch door of compression chamber 1 Symmetrical 6 baffle plates (inverted sections 111) the formula hatch door fixing device in frame edge, baffle plate (inverted sections 111) and the hatch door frame of compression chamber 1 Between clearance distance be 13.5mm;The diameter 400mm of hatch door plate 2, thickness 13mm, surrounding is 6 side set structures (i.e. postive stop baffle 21), match with 6 baffle plates (inverted sections 111) of the hatch door frame of compression chamber 1, hatch door plate 2 is fixed on cabin by active supporting arm 9 Body side;For steam vent 6 by high-pressure air feed pipe II42 connect settings in triple valve 5 out of my cabin, so as to connect high-pressure air source 3 And/or indoor environment.
Connect high-pressure air source 3 when using first, close and rotatable cabin door-plate 2 is with postive stop baffle 21 and inverted sections 111 Limit and open.Open triple valve 5 so that pressurization cabin device is connected with high-pressure air source 3, and gases at high pressure for steam vent 6 by injecting Space between the bottom of groove 7 and sealing ring 8 simultaneously balanced push sealing ring 8 is overall hatch door plate 2 to and maintain certain pressure.Now Hatch door plate 2, sealing ring 8 and compression chamber 1 are that shape is integral, completely airtight.After hyperbar exposure decompression terminates, triple valve is closed 5 valves, pressurization cabin device disconnects with high-pressure air source 3, connects with atmospheric pressure environment in cabin for steam vent 6, after the inner seal ring 8 of groove 7 Gas discharge, to the pressure releases of hatch door plate 2, hatch door plate 2 can be by Unscrew easily for sealing ring 8.
Below the preferred embodiment to the invention is illustrated, but the invention be not limited to it is described Embodiment, those of ordinary skill in the art can also make a variety of etc. on the premise of without prejudice to the invention spirit Modification together or replacement, these equivalent modifications or replacement are all contained in the application claim limited range.

Claims (10)

1. a kind of outward opening compression chamber gas-tight door, including high-pressure air source, compression chamber, hatch door plate and hatch door opening and closing part, the high pressure Source of the gas is passed through high pressure gas in compression chamber by high-pressure air feed pipe I;The hatch door opening and closing part is by connecting cabin door-plate respectively and adds Ballasting folding on compression chamber with control cabinet door-plate;The hatch door plate by covering the closure of openings compression chamber of compression chamber, its It is characterised by, annular groove is opened up on the open face of the compression chamber, and the groove is arranged around the opening of compression chamber, groove Bottom open up the confession steam vent for being communicated to high-pressure air source;Also card sets sealing ring in the groove.
2. outward opening compression chamber gas-tight door according to claim 1, it is characterised in that the high-pressure air feed pipe I and high pressure A triple valve for controlling gas flow is also in series between source of the gas, the triple valve is by extending high-pressure air feed pipe II UNICOMs to for steam vent with will be for steam vent UNICOM to high-pressure air source.
3. outward opening compression chamber gas-tight door according to claim 1, it is characterised in that the supply and discharge pore quantity is two Or more.
4. outward opening compression chamber gas-tight door according to claim 3, it is characterised in that the confession steam vent is uniformly distributed in The bottom of annular groove.
5. outward opening compression chamber gas-tight door according to claim 1, it is characterised in that the sealing ring be pressure-resistant rubber or Solid made by person's silica gel.
6. outward opening compression chamber gas-tight door according to claim 1, it is characterised in that the edge of the hatch door plate is to evagination Go out to arrange postive stop baffle;The compression chamber is being disposed with the annular projection perpendicular to opening surface, the ring-type around aperture position Protruding apex turns down the inverted sections to form ring-type to direction in ring;Open up on the inverted sections for snapping in hatch door plate postive stop baffle Breach.
7. outward opening compression chamber gas-tight door according to claim 6, it is characterised in that the postive stop baffle is in hatch door plate Edge is uniformly and symmetrically distributed.
8. outward opening compression chamber gas-tight door according to claim 6, it is characterised in that the inverted sections and compression chamber opening Thickness of the distance in the gap between face more than the postive stop baffle.
9. outward opening compression chamber gas-tight door according to claim 6, it is characterised in that the hatch door opening and closing part includes activity Support arm, one end of the active supporting arm is installed on the side of compression chamber by hinge, and the active supporting arm other end is opened If through hole;Cylinder contiguous block is worn in the through hole;One end of the cylinder contiguous block is perpendicularly fixed at the hatch door plate In outside one side, other end fixed handle.
10. outward opening compression chamber gas-tight door according to claim 9, it is characterised in that be arranged bearing in the through hole.
CN201611154118.5A 2016-12-14 2016-12-14 Outward-opening type pressurizing cabin airtight door Pending CN106618914A (en)

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CN108166909A (en) * 2018-01-16 2018-06-15 北京氧与芳香医药研究院 Containment member and health preserving cabin
CN108469859A (en) * 2018-06-12 2018-08-31 山东商业职业技术学院 A kind of temperature control packaged type fresh and living aquatic products high pressure keep-alive Laboratory Module
WO2019205926A1 (en) * 2018-04-28 2019-10-31 江苏新颖氧科技发展有限公司 Seat type single hyperbaric oxygen chamber
CN112914904A (en) * 2021-03-15 2021-06-08 吉林大学第一医院 Automatic lifting nursing equipment for medical hyperbaric oxygen chamber
CN113018020A (en) * 2021-03-08 2021-06-25 安徽好月子安康母婴护理有限公司 Mother and infant expelling parasite nursing bed convenient for baby to fall asleep
CN114440132A (en) * 2020-10-30 2022-05-06 联华气体工业股份有限公司 Gas steel cylinder leakage treatment equipment

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WO1993025174A1 (en) * 1991-05-16 1993-12-23 Mettel H Juergen Treatment or therapeutic booth for energetic, cosmetic and medical purposes
CN2380213Y (en) * 1999-03-31 2000-05-31 蔡惠铭 Fully-transparent medical oxygen cabin
CN202974772U (en) * 2012-07-26 2013-06-05 何玉武 Pressure-resistant detection device for shell of submerged manned capsule
CN203436583U (en) * 2013-09-18 2014-02-19 连云港佑源医药设备制造有限公司 Steam sterilization device sealed online
CN104405265A (en) * 2014-10-15 2015-03-11 浙江省海洋开发研究院 Inflating sealing structure for cabin door
CN204437260U (en) * 2014-12-05 2015-07-01 廖日森 A kind of self locking safety door of rotary pressure vessel
CN205411523U (en) * 2016-02-03 2016-08-03 烟台冰轮高压氧舱有限公司 Bread shape hyperbaric oxygen cabin

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108166909A (en) * 2018-01-16 2018-06-15 北京氧与芳香医药研究院 Containment member and health preserving cabin
WO2019205926A1 (en) * 2018-04-28 2019-10-31 江苏新颖氧科技发展有限公司 Seat type single hyperbaric oxygen chamber
CN108469859A (en) * 2018-06-12 2018-08-31 山东商业职业技术学院 A kind of temperature control packaged type fresh and living aquatic products high pressure keep-alive Laboratory Module
CN114440132A (en) * 2020-10-30 2022-05-06 联华气体工业股份有限公司 Gas steel cylinder leakage treatment equipment
CN113018020A (en) * 2021-03-08 2021-06-25 安徽好月子安康母婴护理有限公司 Mother and infant expelling parasite nursing bed convenient for baby to fall asleep
CN112914904A (en) * 2021-03-15 2021-06-08 吉林大学第一医院 Automatic lifting nursing equipment for medical hyperbaric oxygen chamber

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