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CN104169626A - Gas supply device - Google Patents

Gas supply device Download PDF

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Publication number
CN104169626A
CN104169626A CN201280056063.8A CN201280056063A CN104169626A CN 104169626 A CN104169626 A CN 104169626A CN 201280056063 A CN201280056063 A CN 201280056063A CN 104169626 A CN104169626 A CN 104169626A
Authority
CN
China
Prior art keywords
barrier film
air bag
gas
air feeder
lid
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
CN201280056063.8A
Other languages
Chinese (zh)
Inventor
T·B·霍尔贝彻
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Linde GmbH
Original Assignee
Linde GmbH
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 Linde GmbH filed Critical Linde GmbH
Publication of CN104169626A publication Critical patent/CN104169626A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn, or removed, to provide discharge openings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L29/00—Joints with fluid cut-off means
    • F16L29/005—Joints with fluid cut-off means joints with cut-off devices which can be perforated
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/04—Arrangement or mounting of valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C13/00—Details of vessels or of the filling or discharging of vessels
    • F17C13/06—Closures, e.g. cap, breakable member
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01—Shape
    • F17C2201/0104—Shape cylindrical
    • F17C2201/0109—Shape cylindrical with exteriorly curved end-piece
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2201/00—Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05—Size
    • F17C2201/058—Size portable (<30 l)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2203/00—Vessel construction, in particular walls or details thereof
    • F17C2203/06—Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602—Wall structures; Special features thereof
    • F17C2203/0612—Wall structures
    • F17C2203/0614—Single wall
    • F17C2203/0617—Single wall with one layer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0308—Protective caps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0311—Closure means
    • F17C2205/032—Closure means pierceable
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0323—Valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0382—Constructional details of valves, regulators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2209/00—Vessel construction, in particular methods of manufacturing
    • F17C2209/22—Assembling processes
    • F17C2209/228—Assembling processes by screws, bolts or rivets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/013—Carbone dioxide
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2221/00—Handled fluid, in particular type of fluid
    • F17C2221/01—Pure fluids
    • F17C2221/014—Nitrogen
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107—Single phase
    • F17C2223/0123—Single phase gaseous, e.g. CNG, GNC
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0146—Two-phase
    • F17C2223/0153—Liquefied gas, e.g. LPG, GPL
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/035—High pressure (>10 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2223/00—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/03—Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the pressure level
    • F17C2223/036—Very high pressure (>80 bar)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
    • F17C2270/00—Applications
    • F17C2270/07—Applications for household use
    • F17C2270/0736—Capsules, e.g. CO2

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Bag Frames (AREA)
  • Safety Valves (AREA)
  • Details Of Valves (AREA)

Abstract

A gas supply device comprises a gas capsule (2) having a diaphragm closure (4). A cap (10) having a passage (12) therethrough is fixedly secured to the capsule (2). There is a valve member (14) in the (passage 12). The valve member (14) has a forward face carrying a diaphragm-piercing device (20) able to be urged by application of a force against the bias of a spring (22) to pierce the diaphragm closure (4) to release gas from the capsule (2). Removal of the diaphragm-piercing force, causes a rearward face (30) of the valve member (14) to be biased by the (spring 22) into a valve-closing position in which gas is retained in the capsule (2).

Description

Air feeder
Technical field
The present invention relates to a kind of air feeder, relate to particularly a kind of air feeder that comprises the air bag for storing the gas under pressure, the size that this air bag has conventionally and weight can be grasped in palm easily by user.
Background technique
This air bag is very common.This air bag has at its oral area the closure member that is iris-diaphragm conventionally, described barrier film can be pierced through to discharge gas.As everyone knows, in air bag, comprise pressure carbon dioxide or the nitrogen oxide about 60 bar conventionally.This air bag conventionally and separate unit use in combination for piercing through barrier film, described separate unit is attached to air transporting arrangement or is attached to the discrete device that can use with gas units match.
In a kind of exemplary configurations, air bag causes the residual gas in cylindrical shell to be lost in atmosphere by the barrier film being pierced with the disengaging of piercing through unit.For example, this layout example is for example disclosed in GB-A-971161.Another shortcoming of this layout is that owing to sealing and piercing through action and roughly side by side carry out, thereby before therefore there is the sealing of formation excellent surface, barrier film is just pierced the risk that permission pressurized gas are overflowed.This kind of effusion is potential risk.In addition, emergent gas energy infiltrate air bag and pierce through the screw thread between unit, and cause difficulty owing to acting on the air pressure on screw thread to tightening air bag.
Summary of the invention
According to the present invention, a kind of air feeder is provided, described air feeder comprises:
For storing the air bag of the gas under pressure, described air bag has oral area;
Closure member, described closure member is positioned at the oral area of described air bag and is the iris-diaphragm that can pierce through;
Lid, described lid is fastened to securely and for good and all described air bag and is positioned on described oral area;
Thereby allow the passage from the sensible described barrier film in outside through described lid;
Valve member in described passage, described valve member has front surface and rear surface that barrier film piercing device is housed, and described front surface can apply barrier film and pierces through power and be pushed by overcoming the bias voltage of spring, to make described barrier film piercing device pierce through described barrier film and thus gas is discharged into described passage from described air bag, described in the time that described barrier film pierces through power and is removed, described rear surface is biased into volume closed position by spring, in described volume closed position, gas is maintained in described air bag under pressure.
Therefore, pierce through power if recall barrier film, gas can be remained on and in air bag, reach at least a period of time according to air feeder of the present invention.
This lid has outer surface conventionally, and the structure that described outer surface has can be connected with another gas operative installations described air feeder.For this reason, expediently, the described outer surface of described lid has screw thread.
Conventionally there is valve member according to air feeder of the present invention, described valve member be connected on valve main shaft or with described valve integrated spindle axis form, described barrier film pierces through power and can put on described main shaft.Conventionally, this layout makes, and the action that air feeder according to the present invention is connected to gas operative installations causes applying barrier film and pierces through power.
In one embodiment, described main shaft is equipped with the base for described spring.In this embodiment and other embodiments, spring can be Compress Spring.
The rear surface of valve member is pressed against on O type annular seal conventionally, and in the time that described valve is closed, described O type annular seal is maintained on the internal surface of described lid under compression.In other embodiments, O type annular seal can be equipped with in the rear surface of valve member, and in the time that valve member rests on the internal surface of lid, described O type annular seal is maintained under compression.
According in some embodiment of air feeder of the present invention, the front surface of valve member and barrier film piercing device form.In other embodiments, the front surface of valve member is equipped with puncture needle.This puncture needle can be hollow or be formed with at least one cannelure, gas is carried and is left described air bag contributing in the time piercing through described barrier film.Be formed with screw thread if will be connected to the described outer surface of the lid of another gas operative installations, the axial length of this screw thread is greater than the distance that valve member is advanced to its valve closed position from its barrier film perforation position expediently.This makes air bag before can piercing through barrier film can be connected to securely other gas operative installations.
Air feeder according to the present invention makes likely to make little useful area to stand gas pressure, thereby under higher working pressure, is convenient to this device with the connection of another device and separates.In addition, the outer surface of described lid have for the embodiment of the screw thread of the complementary threaded engagement of another device, before piercing through barrier film, the screw thread of joint is sealed easily with respect to air bag.
According in the embodiment of air feeder of the present invention, wherein valve member be connected in main shaft or with integrated spindle axis form, even when valve is during in its closed position, main shaft can not be projected into outside passage yet.Therefore,, the in the situation that of air bag accidental fall, valve is also protected in order to avoid impaired.
Brief description of the drawings
Now will with reference to accompanying drawing, air feeder of the present invention be described by way of example, in the accompanying drawings:
Fig. 1 is according to the side view of the overall schematic cross-sectional form of air feeder of the present invention;
Fig. 2 is the side view of the head of the air bag shown in Fig. 1 section form before its diaphragm seal is pierced;
Fig. 3 is the side view that explanation is connected to the lid of air feeder the section form of user's set;
Fig. 4 is the side view of the non-section form of the coupling member shown in Fig. 3;
Fig. 5 is the schematic diagram of the alternate forms of the valve head of the air feeder shown in Fig. 1-3; With
Fig. 6 is a kind of being connected to according to the schematic diagram of the non-thermal gaseous plasma generating means of the barometric pressure of air feeder of the present invention.
The head of air bag is not shown for convenience of explanation, in Fig. 3.
Embodiment
Referring to figs. 1 through Fig. 4, air feeder according to the present invention comprises the air bag 2 for storing the gas under pressure.This air bag 2 has and is the closure member 4 (seeing Fig. 2) that can pierce through barrier film 4 forms at its oral area.
The size that air bag 2 has conventionally and weight can cosily be grasped in described air bag in palm people.Described air bag has the water capacity in the scope of 5-50ml conventionally.Air bag 2 stores the selected gas under pressure.Pressure store can be in from 25 Palestine and Israels in the scope in 300 Palestine and Israels.The thickness of the wall of selection air bag 2 and structural material are to stand selected pressure store.
Therefore air bag 2 is made up of suitable steel (as stainless steel or aluminium) conventionally.Air bag 2 shown in the drawings is a kind of general types, and can manufacture by known production process.
Barrier film 4 is formed by the material identical with air bag 2 conventionally.Conventionally, once to select gas and selected pressure is full of air bag 2, just by place described air bag welding.
Air bag can be filled with arbitrarily selected gas.In the time standing selected pressure store, some impermanency gases may liquefy.Therefore, air bag can store the gas in liquefaction.But if the gas or the gaseous mixture that store are permanent gases,, in the time standing pressure store, gas will be in gaseous state.
The oral area of air bag 2 is by providing in the columnar protrusion 6 of air bag 2 ends.The outer surface of columnar protrusion 6 is provided with screw thread.This screw thread has with the complementary threaded engagement of covering on 10, lid 10 passage 12 being penetratingly formed from it, and the longitudinal axis of passage 12 is coaxial with the longitudinal axis of air bag 2.By means of suitable binding agent (as LOCTITE tM) process the screw thread of described complementation.Binding agent solidifies at ambient temperature and has lid 10 is fastened firmly to the effect in the projection 6 of air bag 2.Therefore, the user of the air feeder as shown in Fig. 1-4 unlikely only backs out lid 10 or separate from air bag 2 by manual mode.
Lid 10 holds barrier film sting device 14 in passage 12.As will be described below, described barrier film sting device 14 is exercisable, to pierce through or to puncture the barrier film 4 of air bag 2 in the time that air bag discharges gas for the first time when hope.Sting device 14 comprises the head 16 being integrally formed with main shaft 18.In embodiment's (not shown) of alternative, head 16 can be the separating component being attached on main shaft 18.The front surface of head 16 forms slightly pointed puncture tip 20.
Can promote forward sting device 14, so that puncture tip 20 punctures barrier film 4, thereby gas be discharged from air bag 2.The displacement energy of sting device 14 overcomes the bias voltage of Compress Spring 22 and realizes.Compress Spring 22 is contained in passage 12, and extends around main shaft 18.Main shaft 18 is equipped with the spring holder 24 of " star lock " type.
The head 16 of sting device 14 has dual functions.Described head not only provides puncture tip 20, also serves as valve member.The bias effect that the barrier film puncture force that removes main shaft below can make Compress Spring 22 is to spring holder 24 and make sting device recall to advance backward towards the elasticity O type annular seal 26 remaining on the internal surface 28 (seeing Fig. 3) that covers 10 from the barrier film 4 of air bag 2.The rear surface 30 of head 16 is sealedly engaged with O type ring 26, thereby prevents that gas from passing Sealing.The gas pressure being applied on the front surface of head 16 keeps head 16 is pressed against on O type annular seal 26.Therefore, sting device 14 is as a part for valve, in the time piercing through described barrier film 4 described in sting device can close, thereby prevent that gas is further sent to user's set from air bag 2.
Specifically, with reference to Fig. 3, the outer surface away from air bag 2 of lid 10 is provided with outside thread 40, so that lid 10 (and then making air bag 2) can be connected to air transporting arrangement 42.Air transporting arrangement 42 has hollow body 44, and described hollow body has the internal thread with screw thread 40 complementations.Therefore, device 42 can be screwed on the lid 10 of air bag 2 simply.One end that device 42 is equipped with probe 50 in empty main body therein.Device 42 is tightened to the action of cover on 10 and make probe 50 bear against on the main shaft 18 of sting device 14 and promotion sting device 14 advances, so that barrier film 4 is pierced through at the tip 20 of described sting device.The distance that the Length Ratio sting device 14 of the length of screw thread 40 on the outer surface of lid 10 and the complementary threads in the main body 44 of connection set 42 is advanced to its barrier film perforation position from its valve closed position is larger.This makes described air bag 2 before can puncture balloon can be connected to securely device 42.Probe 50 is provided with the internal gas passage 48 being communicated with user's set (at Fig. 1 to not shown in Fig. 4).Therefore,, in the time that puncture tip 20 pierces through barrier film 4 completely, gas can flow out and by O type annular seal 22 and enter into passage 48 from air bag 2, and arrives user's set.For the gas loss on the outer surface of probe 50 is minimized, respectively at probe 46 with define between the internal surface of lid 10 of passage 12 and be provided with elasticity O type annular seal 51 and 52 between probe 46 and the main body 44 of connection set 42.At any Leakage Gas by Sealing 50 in the situation that, in the atmosphere around described gas can be discharged into by the groove 54 (seeing Fig. 4) of formation in connection set 42.
Once the gas of selected volume is transported to user, and the lid 10 of air bag 2 just can be backed out from connection set 42, thereby recalls probe 50.Result is that sting device 14 is advanced away from barrier film 4 and its rear surface 30 is sealedly engaged with O type annular seal 26, thereby prevents that gas from passing the head 16 of sting device 2 from air bag 2.Therefore,, even if pierced through or punctured barrier film 4, gas also can be retained in air bag 2.
For specific gas, the specifically complementary sized of complementary threads in the screw thread 40 on lid 10 and the main body 44 of connection set 42.Therefore, air bag 2 can be exclusively used in this gas.The air bag 2 that stores gas with various has the screw thread 40 of different size, described air bag can be connected to and the non-designated connection set 42 for this specific gas.
If necessary, can little filter or filter screen be remained on around main shaft 18 by Compress Spring 22, to tackle any particulate of the described barrier film that may form during puncturing barrier film 4 by puncture tip 20.
Can make various distortion to air feeder according to the present invention.Figure 5 illustrates a kind of such distortion.In this distortion, omit spring holding device 24, the main shaft 18 of sting device 14 is formed with integral type retainer 500 at its afterbody, and described retainer keeps Compress Spring 22.Another distortion in, connection set 42 holds pressure regulator valve (not shown), with by the pressure decreased of gas to set point value.
Can be used for storing and carry permanent or impermanency gas according to air feeder of the present invention.In an example, air feeder can be used for storing rare gas (as helium or argon gas, or the mixture of helium and argon gas) and be transported to the device for non-thermal gaseous plasma being applied to human oral cavity.Fig. 6 is the schematic diagram of the hand-held device 601 for generating non-thermal gaseous plasma, and described hand-held device comprises housing 602, and described housing is defined for and receives according to the access station 603 of air feeder 604 of the present invention.In this embodiment, air feeder 604 comprises the air bag with 21ml capacity.Access station 603 is provided with the connection set (not shown) with connection set 42 same types shown in Fig. 3.Air feeder 604 is inserted into completely and in access station 603, can punctures the barrier film of air bag and discharge gas along the direction of arrow from air bag.Access station 603 is communicated with gas channel 606, can be arranged in gas channel 606 by manually operated valve 605.Valve 605 normally cuts out, so once the barrier film of puncture balloon, the gas discharging thus can not crossed valve 605.Valve 605 is provided with can manually operated actuator 608, and described actuator can operate it to open valve 605, thereby allows gas to pass through from it.Passage 606 is communicated with the unit 610 that conventionally generates non-thermal gaseous plasma under atmospheric pressure.Plasma generator unit 610 is provided with the applicator 612 that can insert in oral cavity.Be presented at patent application WO2010/072997A, WO2010/103262A and WO2010/103263A about the structure of this device for oral treatment and the further information of use, all these documents are all introduced into for reference herein.
Air feeder 604 can be removed from access station 603.Remove due to this, the valve system of describing referring to figs. 1 through Fig. 5 is closed, thereby the gas under pressure is remained in air bag.

Claims (12)

1. an air feeder, described air feeder comprises:
For storing the air bag of the gas under pressure, described air bag has oral area;
Closure member, described closure member is positioned at the oral area of described air bag and is the iris-diaphragm that can pierce through;
Lid, described lid is fastened to securely and for good and all described air bag and is positioned on described oral area;
Thereby allow the passage from the sensible described barrier film in outside through described lid;
Valve member in described passage, described valve member has front surface and rear surface that barrier film piercing device is housed, and described front surface can apply barrier film and pierces through power and be pushed by overcoming the bias voltage of spring, to make described barrier film piercing device pierce through described barrier film and thus gas is discharged into described passage from described air bag, described in the time that described barrier film pierces through power and is removed, described rear surface is biased into valve closed position by spring, in described valve closed position, gas is maintained in described air bag under pressure.
2. air feeder according to claim 1, wherein, described lid has outer surface, and the structure of described outer surface can be connected with another gas operative installations described air feeder.
3. air feeder according to claim 2, wherein, the outer surface of described lid has screw thread.
4. air feeder according to claim 1, wherein, described valve member be connected on valve main shaft or with described valve integrated spindle axis form, described barrier film pierces through power and can put on described main shaft.
5. air feeder according to claim 4, wherein, described main shaft is equipped with the base for described spring.
6. according to air feeder in any one of the preceding claims wherein, wherein, described spring is Compress Spring.
7. according to air feeder in any one of the preceding claims wherein, wherein, the rear surface of described valve member is pressed against on O type ring, and in the time that described valve is in the closed position, described O type ring is maintained on the internal surface of described lid under compression.
8. according to air feeder in any one of the preceding claims wherein, wherein, the front surface of described valve member and barrier film sting device form.
9. according to the air feeder described in any one in claim 1 to 7, wherein, the front surface of described valve member is equipped with puncture needle.
10. air feeder according to claim 9, wherein, described puncture needle has at least one cannelure, to contribute to that in the time piercing through described barrier film gas conveying is left to described air bag.
11. according to air feeder in any one of the preceding claims wherein, wherein, described lid has the applicable thread outer surface connecting with gas operative installations, and the axial length of described screw thread is greater than the distance that described valve member is advanced to its valve closed position from its barrier film perforation position.
12. according to air feeder in any one of the preceding claims wherein, and wherein, described channel setting has filter or filter screen, and described filter or filter screen are suitable for preventing passing every film formed any solid particle described in piercing through.
CN201280056063.8A 2011-11-14 2012-10-08 Gas supply device Pending CN104169626A (en)

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GB1119657.3A GB2496456B (en) 2011-11-14 2011-11-14 Gas supply device
GB1119657.3 2011-11-14
PCT/GB2012/000765 WO2013072650A1 (en) 2011-11-14 2012-10-08 Gas supply device

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JP (1) JP2015503066A (en)
CN (1) CN104169626A (en)
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BR (1) BR112014011588A2 (en)
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CN108905020A (en) * 2018-07-26 2018-11-30 浙江利高消防科技有限公司 A kind of puncture type starting bottle start button and its starting bottle
CN112066056A (en) * 2020-07-31 2020-12-11 清华大学 Safety cut-off valve
CN113375041A (en) * 2021-07-01 2021-09-10 沈阳航天新光集团有限公司 High temperature resistant self sealss gas cylinder

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CN106516410B (en) * 2016-12-28 2018-04-13 湖州萨曼莎花草茶有限公司 Disposable packaging box for jasmine tea
CN111927989A (en) * 2020-07-29 2020-11-13 凯迈（洛阳）气源有限公司 Large-flow high-pressure valve structure for quick-change deflation of gas cylinder

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WO2013072650A1 (en) 2013-05-23
CA2855336A1 (en) 2013-05-23
JP2015503066A (en) 2015-01-29
IN2014CN04329A (en) 2015-09-04
WO2013072650A8 (en) 2014-07-24
EP2780620A1 (en) 2014-09-24
AU2012338618A1 (en) 2014-05-29
GB201119657D0 (en) 2011-12-28
MX2014005790A (en) 2014-08-22
GB2496456B (en) 2017-07-19
BR112014011588A2 (en) 2017-05-30
AU2012338618A8 (en) 2015-06-18
US20140319140A1 (en) 2014-10-30

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