WO2013008719A1 - Cuve sous pression - Google Patents

Cuve sous pression Download PDF

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Publication number
WO2013008719A1
WO2013008719A1 PCT/JP2012/067202 JP2012067202W WO2013008719A1 WO 2013008719 A1 WO2013008719 A1 WO 2013008719A1 JP 2012067202 W JP2012067202 W JP 2012067202W WO 2013008719 A1 WO2013008719 A1 WO 2013008719A1
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WO
WIPO (PCT)
Prior art keywords
pressure vessel
base member
resin liner
mounting seat
rising wall
Prior art date
Application number
PCT/JP2012/067202
Other languages
English (en)
Japanese (ja)
Inventor
中村　和広
Original Assignee
八千代工業株式会社
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 八千代工業株式会社 filed Critical 八千代工業株式会社
Priority to CN201280034298.7A priority Critical patent/CN103703298B/zh
Publication of WO2013008719A1 publication Critical patent/WO2013008719A1/fr

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Classifications

    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J12/00—Pressure vessels in general
    • 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
    • F17C1/00—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge
    • 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
    • F17C2201/056—Small (<1 m3)
    • 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
    • F17C2203/0604—Liners
    • 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
    • F17C2203/0619—Single wall with two layers
    • 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
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/066—Plastics
    • 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
    • F17C2203/0634—Materials for walls or layers thereof
    • F17C2203/0658—Synthetics
    • F17C2203/0663—Synthetics in form of fibers or filaments
    • 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
    • F17C2205/0305—Bosses, e.g. boss collars
    • 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
    • F17C2209/21—Shaping processes
    • F17C2209/2109—Moulding
    • F17C2209/2127—Moulding by blowing
    • 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
    • F17C2209/21—Shaping processes
    • F17C2209/2154—Winding
    • 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
    • F17C2209/227—Assembling processes by adhesive means
    • 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
    • F17C2221/03—Mixtures
    • F17C2221/032—Hydrocarbons
    • F17C2221/035—Propane butane, 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
    • F17C2223/01—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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/012—Reducing weight
    • 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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/03—Dealing with losses
    • F17C2260/035—Dealing with losses of fluid
    • F17C2260/036—Avoiding leaks

Definitions

  • the present invention relates to a pressure vessel for storing gas or liquid.
  • Liquefied petroleum gas (Liquefied ⁇ petroleum gas) is known as a gaseous fuel that is mainly composed of butane, propane, etc. and can be easily liquefied at room temperature by compression. By liquefying LPG, its volume becomes 1/250 that of vaporized gas, and storage and transportation are possible at a low pressure.
  • a pressure vessel made of steel or aluminum alloy has been generally used so far. However, the metal pressure vessel has the advantages of high strength and high reliability, but there is a problem that the weight increases.
  • a synthetic resin thin container (resin liner) is covered with a fiber reinforced layer impregnated with resin, and then the resin is cured.
  • Structured pressure vessels have been proposed.
  • a pressure vessel described in Patent Document 1 projects a resin liner, a fiber reinforced resin layer (FRP layer) that reinforces the outer surface of the resin liner, and protrudes outside the resin liner and the fiber reinforced resin layer.
  • FRP layer fiber reinforced resin layer
  • a metal base member For example, a female screw is formed on the inner peripheral surface of the cylindrical portion of the base member. A valve is fastened to the female screw, and LPG inside the pressure vessel is poured out from the valve.
  • the resin liner and the base member are made of different materials, it is not easy to join these members without gaps so that gas or liquid does not leak.
  • the seal structure is complicated so as not to leak, the manufacturing work becomes complicated and the manufacturing cost increases. Further, when the seal structure is complicated, maintenance and management of the seal portion become difficult.
  • the present invention was created to solve such problems, and an object of the present invention is to provide a pressure vessel that can be reliably sealed with a simple structure.
  • the present invention provides a hollow resin liner that includes a protruding neck portion and accommodates a gas or a liquid, a base member attached to the inside of the neck portion, and attached to the inside of the base member.
  • a pressure vessel having a mounting member, and a sealing member provided between the resin liner and the mounting member, wherein the neck portion has a cylindrical shape and an upper end of the cylindrical portion
  • the present invention also includes a hollow resin liner having a protruding neck portion and containing gas or liquid, a base member attached to the inside of the neck portion, and an auxiliary member attached to the inside of the base member.
  • a pressure vessel having an attachment member attached to the inside of the auxiliary member, and a seal member provided between the resin liner and the auxiliary member, wherein the neck portion is a cylindrical tube
  • a mounting seat surface provided at an upper end of the cylindrical portion, to which the seal member is attached, and a rising wall that rises outside the mounting seat surface, the seal member including a part of the auxiliary member and the It is in contact with the mounting seat surface.
  • the base member has a ring-shaped flange portion and a cylindrical projecting portion projecting to the inner periphery of the flange portion, and the outer periphery of the projecting portion is extended in a radial direction. It is preferable that a diameter portion is provided and the large diameter portion is disposed under the mounting seat surface.
  • the attachment member includes a main body cylindrical portion joined to the base portion, and a pressing portion that projects outward from the main body cylindrical portion and covers an upper end of the rising wall and an upper end of the base member, and the pressing portion Preferably, a support portion disposed outside the rising wall is extended.
  • the auxiliary member is joined to the base member and has a base part to which the attachment member is attached, and a presser part that projects outward from the base part and covers the upper end of the rising wall and the upper end of the base member, It is preferable that a support portion arranged outside the rising wall is extended to the presser portion.
  • the support portion is disposed outside the rising wall, so that when the internal pressure is applied to the resin liner, the rising wall or the cylindrical portion falls outside. Can be prevented.
  • a concave groove is provided on the outer periphery of the base member, and the resin constituting the resin liner is filled in the concave groove. According to this configuration, since the rotation of the base member with respect to the resin liner can be restricted, the bondability between the resin liner and the base member can be improved.
  • a coating film by powder coating is formed between the base member and the resin liner. According to such a configuration, the bondability between the base member and the resin liner can be enhanced.
  • the pressure vessel according to the present invention can be reliably sealed with a simple structure.
  • FIG. 3 is a cross-sectional view taken along line AA in FIG. 2. It is the schematic cross section which showed the nozzle
  • a pressure vessel 1 includes a resin liner 2, a cap member 3 formed at an end of the resin liner 2, and a coating film 4 formed on the outer peripheral surface of the cap member 3. And a fiber reinforced resin layer 5 covering the outer periphery of the resin liner 2, a valve 6 attached to the cap member 3, and a seal member 7.
  • the pressure vessel 1 is, for example, a vessel that can contain a liquid or a gas inside.
  • the resin liner 2 is made of resin and is hollow inside.
  • the material of the resin liner 2 is not particularly limited, but, for example, polyethylene (PE), high-density polyethylene (HDPE), polyamide, polyketone, polyphenylene sulfide (PPS), etc., may be used depending on the type or application of the gas or liquid to be contained. Used.
  • PE polyethylene
  • HDPE high-density polyethylene
  • PPS polyphenylene sulfide
  • weight reduction can be achieved.
  • the resin liner 2 protrudes in the direction of the central axis C from the shoulder 2b having a cylindrical body 2a, a shoulder 2b having a curved surface constituting the end of the body 2a, and the shoulder 2b. And a neck portion 2c.
  • the shape of the resin liner 2 is not particularly limited, and may be a spherical shape, for example.
  • the neck portion 2 c includes a cylindrical portion 11, an overhang portion 12, and a rising wall 13.
  • the cylinder portion 11 has a cylindrical shape, and the base member 3 is attached to the inside thereof.
  • the overhanging portion 12 protrudes inward (in the direction of the central axis C) along the inner surface of the cylindrical portion 11.
  • the upper surface of the overhanging portion 12 is a mounting seat surface 12a to which the seal member 7 is attached.
  • the mounting seat surface 12a is a flat surface without a parting line, and is formed in a ring shape in plan view.
  • the rising wall 13 is formed outside the mounting seat surface 12a.
  • the rising wall 13 protrudes upward from the upper end of the cylindrical portion 11 and is formed in a ring shape in plan view.
  • the shape of the rising wall 13 is rectangular in a sectional view.
  • the base member 3 is composed of an annular flange portion 21 and a protruding portion 22 protruding from the flange portion 21.
  • the base member 3 is made of metal, and a valve 6 is attached to the inside thereof.
  • the flange portion 21 is a plate-like portion having a ring shape. As shown in FIG. 2, the lower surface of the flange portion 21 and the inner surface of the shoulder portion 2 b of the resin liner 2 are substantially flush.
  • a female thread for attaching the valve 6 is formed on the inner peripheral surface of the protrusion 22.
  • the projecting portion 22 is formed with a large diameter portion 23 extending in the radial direction.
  • the outer periphery of the large diameter portion 23 is substantially circular in plan view.
  • the large diameter portion 23 is a portion covered with the neck portion 2 c of the resin liner 2. After the molding, as shown in FIG. 2, the large-diameter portion 23 is disposed immediately below the overhang portion 12.
  • a plurality of concave grooves 25 are formed on the outer peripheral surface of the large diameter portion 23 at equal intervals in the circumferential direction. As shown in FIG. 4, the concave groove 25 is a part for restricting the rotation of the base member 3 relative to the resin liner 2 by being filled with the resin constituting the resin liner 2.
  • the concave groove 25 has a rectangular horizontal cross section, and extends along the protruding direction (pouring direction) of the protruding portion 22.
  • the upper side of the concave groove 25 (the protruding direction side of the protruding portion 22) is opened.
  • the concave groove 25 is formed as described above in the present embodiment.
  • the concave groove 25 is limited to this shape as long as the resin liner 2 is filled to restrict the rotation of the base member 3 with respect to the resin liner 2. is not.
  • at least one concave groove 25 may be provided.
  • groove 25 is open
  • the concave groove 25 may have a shape that is rounded out like a dimple.
  • the protruding portion 22 is formed with a flange portion 26 protruding outward.
  • the collar part 26 is formed in a disk shape.
  • the collar portion 26 is a portion that prevents the cap member 3 from falling off the resin liner 2 by being covered with the resin constituting the resin liner 2.
  • the base member 3 is not limited to the shape described above. For example, you may abbreviate
  • FIG. 1 For example, you may abbreviate
  • the manufacturing method of the base member 3 is not particularly limited, but is integrally formed by forging in this embodiment. According to the forging, the cutting process is not necessary when forming the concave groove 25, so that the manufacturing period and work can be omitted.
  • the coating film 4 is formed by powder coating as shown in FIG. 2, and is an adhesive layer made of, for example, a polyolefin resin.
  • the coating film 4 is applied to the portion where the resin liner 2 and the base member 3 are in contact with each other and the inner surface of the groove 25.
  • the adhesiveness (bonding property) between the resin liner 2 and the base member 3 can be improved.
  • the coating film 4 may be formed with another adhesive as long as it improves the bondability between the resin liner 2 and the base member 3.
  • the fiber reinforced resin layer 5 is FRP (fiber reinforced plastic) and is formed so as to cover the outer periphery of the resin liner 2.
  • the fiber reinforced resin layer 5 is provided by laminating a woven fabric impregnated with a resin by, for example, a filament winding method, a hand layup method, or the like.
  • the resin used for the fiber reinforced resin layer 5 is generally an epoxy resin because of its high strength. In the case where thermal stability is required, a phenolic resin can also be used.
  • the method for forming the fiber reinforced resin layer 5 is not particularly limited, but a filament winding method that can maintain the continuity of the fibers, can easily realize high strength, and can be thinned is preferable.
  • the valve 6 is screwed into the inner side of the base member 3 as shown in FIG.
  • the valve 6 includes a main body cylinder portion 31 and a presser portion 32 that protrudes outward from the outer periphery of the main body cylinder portion 31.
  • a communication hole 31 a communicating with the inside of the resin liner 2 is formed inside the main body cylinder portion 31.
  • a male screw that is screwed into the base member 3 is formed on the outer periphery of the main body cylindrical portion 31.
  • the presser portion 32 is formed in a disc shape and has an outer diameter larger than the outer diameter of the seal member 7 so as to cover the seal member 7. In the present embodiment, the presser portion 32 is formed with a radius equivalent to that of the neck portion 2c.
  • the valve 6 corresponds to an “attachment member” in the claims.
  • the “attachment member” may be a member attached to the neck portion 2c, and may be a joint member, for example.
  • the seal member 7 is an O-ring and is attached to the mounting seat surface 12a.
  • the seal member 7 is a member that prevents leakage of gas or liquid stored in the pressure vessel 1.
  • the seal member 7 is in contact with the mounting seat surface 12a and the lower surface 32a of the pressing portion 32.
  • the sealing member 7 may be brought into contact with at least one of the protruding portion 22 of the base member 3 and the inner surface 13a of the rising wall 13 in addition to the mounting seat surface 12a and the lower surface 32a. Thereby, the leak of gas or liquid can be prevented more reliably.
  • the method for manufacturing the pressure vessel is not particularly limited, but in the present embodiment, a case of manufacturing by blow molding is illustrated.
  • a cap member holding step, a parison supplying step, a mold clamping step, a blowing step, a fiber reinforced resin layer forming step, and a component attaching step are performed.
  • FIG. 5 is a schematic cross-sectional view showing a cap member holding step of the pressure vessel manufacturing method according to the present embodiment.
  • FIG. 6 is a schematic cross-sectional view showing a mold clamping step of the pressure vessel manufacturing method according to the present embodiment.
  • FIG. 7 is a schematic cross-sectional view showing the blowing process of the pressure vessel manufacturing method according to the present embodiment.
  • the base member 3 is mounted on the blow device 41 as shown in FIG. Powder coating is applied to the surface of the base member 3 in advance.
  • the blow device 41 is mainly composed of an outer cylinder part 42, an inner cylinder part 43, a blow pin 44 and a ball B.
  • the base member 3 is mounted such that the protruding portion 22 of the base member 3 and the tip of the outer cylinder portion 42 face each other.
  • the blow device 41 is locked by inserting the inner cylinder portion 43 and the blow pin 44 into the protruding portion 22 of the base member 3 and pushing the ball B outward.
  • the blow pin 44 is retracted, the ball B moves inward and the lock is released.
  • the blow device 41 and the base member 3 may have other structures as long as they can be easily attached and detached.
  • the outer cylinder portion 42 is a cylinder member, and a tip end surface 51 having a ring shape in plan view is formed at the tip. Further, a protrusion 52 protruding in a ring shape in plan view is formed on the tip surface 51.
  • the protrusion 52 is formed in a rectangular shape in cross section.
  • An inner tip surface 51a is formed inside the tip surface 51, and an outer tip surface 51b is formed outside.
  • a ridge inner surface 52 a is formed on the inner side of the ridge 52, a ridge top surface 52 b is formed on the upper side, and a ridge outer surface 52 c is formed on the outer side.
  • the protruding portion 22 of the base member 3 is sandwiched between the inner tube portion 43 and the protrusion 52.
  • a cylindrical parison P is supplied outside the base member 3 and between the first mold K1 and the second mold K2 described later.
  • drawing of the parison is omitted for convenience of explanation.
  • mold clamping is performed with the first mold K1 and the second mold K2.
  • the inner surface K1a at the end portion of the first mold K1 and the inner surface K2a at the end portion of the second mold are cut out in a semicircular shape so as to be in close contact with the outer cylinder portion.
  • a cavity surrounded by the base member 3, the ridge top surface 52b, the ridge outer surface 52c, the outer front end surface 51b, the inner surface K1a of the first mold K1 and the inner surface K2a of the second mold is formed.
  • the neck portion 2c of the resin liner 2 is formed by this cavity.
  • the parison P is a molten resin and is a material that will later become the resin liner 2.
  • the parison P flows by the pressure of the air during blow molding, and the parison P is reliably filled in the cavity.
  • the blow pin 44 is retracted to the outside of the first mold K1 and the second mold K2 and removed. Thereby, a composite member in which the resin liner 2 and the base member 3 are integrated is formed.
  • the fiber reinforced resin layer 5 is formed on the outer periphery of the resin liner 2 by a filament winding method with respect to the composite member formed in the blowing step.
  • the seal member 7 is attached to the attachment seat surface 12a, and the valve 6 is screwed to the base member 3.
  • the pressure vessel 1 is formed by the above steps.
  • the manufacturing method of the pressure vessel 1 is not limited to the process described above.
  • it manufactured by blow molding after inserting the nozzle
  • the pressure vessel 1 described above According to the pressure vessel 1 described above, leakage of gas or liquid can be surely prevented simply by interposing the seal member 7 between the mounting seat surface 12a of the resin liner 2 and the valve 6.
  • the rising wall 13 since the rising wall 13 is provided outside the mounting seat surface 12a, the sealing member 7 can be easily positioned, and the mounting property of the sealing member 7 can be improved. Further, since the rising wall 13 is provided, it is possible to prevent the seal member 7 from protruding to the outside when an internal pressure is applied to the pressure vessel 1. Further, since the sealing member 7 is covered by the rising wall 13 and the pressing portion 32 of the valve 6, sunlight is not directly applied to the sealing member 7, so that deterioration of the sealing member 7 can be prevented.
  • the seal member 7 since the seal member 7 is interposed between the resin liner 2 and the valve 6, the seal member 7 can be visually recognized by removing the valve 6. This facilitates maintenance and management of the seal portion. Further, since the seal member 7 can be prevented from swaying when the valve 6 is screwed together, it is possible to avoid the deterioration of the sealing performance during installation.
  • projection part 12 provided with the resin-made attachment seat surfaces 12a is supported by the large diameter part 23 of the metal cap member 3, the intensity
  • the concave groove 25 is provided on the outer periphery of the base member 3 and the concave groove 25 is filled with the resin constituting the resin liner 2, the rotation of the base member 3 with respect to the resin liner 2 can be restricted. it can. Thereby, the bondability of the resin liner 2 and the base member 3 can be enhanced.
  • the first mold K1 and the second mold K2 form at least two parting lines on the outer peripheral surface of the cylindrical portion 11, but the mounting seat surface 12a and the rising wall 13 are formed. No parting line is formed on the inner surface 13a.
  • the mounting seat surface 12 a is formed by a ridge top surface 52 b of the ridge 52.
  • the inner surface 13 a of the rising wall 13 is formed by the outer ridge surface 52 c of the ridge 52.
  • the upper end of the large-diameter portion 23 is inclined downward in the present embodiment, but may be extended perpendicular to the protruding portion 22.
  • FIG. 8 is an enlarged cross-sectional side view of a main part showing a pressure vessel according to a modification.
  • the pressure vessel 1A according to the modified example is different from the above-described embodiment in that a support portion 33 is formed on the valve 6A.
  • the base member 3A is different from the above-described embodiment in that the large diameter portion 23 and the flange portion 26 are not formed.
  • the valve 6 ⁇ / b> A includes a main body cylinder portion 31, a presser portion 32 projecting outward from the outer periphery of the main body cylinder portion 31, and a support portion 33 extending from the presser portion 32.
  • the presser part 32 covers the upper end of the base member 3 and the upper end of the rising wall 13.
  • the support portion 33 hangs downward from the distal end side of the presser portion 32, and is disposed outside the rising wall 13 with respect to the central axis C.
  • the support portion 33 has a rectangular shape in cross section and is formed in a ring shape in plan view.
  • the support portion 33 is longer than the rising wall 13 and extends from the presser portion 32 to the upper portion of the cylindrical portion 11.
  • the inner peripheral surface of the support portion 33 and the outer peripheral surface of the rising wall 13 may be in contact with each other or may be slightly separated from each other. Further, the rising wall 13 and the pressing portion 32 may be in contact with each other or may be slightly separated from each other. Further, if the support portion 33 is disposed outside the rising wall 13, the length of the support portion 33 may be set to be equal to or shorter than the length of the rising wall 13.
  • the metal support portion 33 is disposed outside the resin rising wall 13, when the internal pressure is applied to the resin liner 2, the rising wall 13 and the cylindrical portion 11 can be prevented from falling outside.
  • the durability of the pressure vessel 1A can be improved.
  • the pressure vessel 1B according to the second embodiment is different from the first embodiment in that an auxiliary member 61 is attached as shown in FIG.
  • the pressure vessel 1B includes a resin liner 2, a base member 3 formed at the end of the resin liner 2, a coating film 4 formed on the outer peripheral surface of the base member 3, and a fiber reinforced resin that covers the outer periphery of the resin liner 2.
  • the layer 5 is mainly composed of an auxiliary member 61 attached to the inside of the base member 3, a valve 71 attached to the inside of the auxiliary member 61, and the seal member 7. Since members other than the auxiliary member 61 and the valve 71 are substantially the same as those in the first embodiment, the auxiliary member 61 and the valve 71 will be mainly described.
  • the auxiliary member 61 is a member to which the valve 71 is attached and detached while being joined to the inside of the base member 3.
  • the auxiliary member 61 is made of metal in the present embodiment, but may be made of resin.
  • the auxiliary member 61 includes a base portion 62, a presser portion 63 projecting outward from the tip of the base portion 62, and a support portion 64 provided on the outer edge of the presser portion 63.
  • the base portion 62 is a portion having a cylindrical shape.
  • An internal thread is formed on the inner peripheral surface of the base 62, and the valve 71 is screwed together. Further, a male screw is formed on the outer peripheral surface of the base portion 62 and is screwed into the base member 3.
  • the pressing portion 63 has a circular shape in plan view, and protrudes from the upper end of the base portion 62 toward the outside.
  • the outer diameter of the pressing portion 63 is larger than the outer diameter of the cylindrical portion 11.
  • the support portion 64 hangs downward from the outer edge of the presser portion 63 and is disposed outside the rising wall 13 with respect to the central axis C.
  • the support portion 64 has a rectangular shape in sectional view and is formed in a ring shape in plan view.
  • the support part 64 is longer than the rising wall 13 and extends from the presser part 63 to the upper part of the cylinder part 11.
  • the inner peripheral surface of the support portion 64 and the outer peripheral surface of the rising wall 13 may be in contact with each other or may be slightly separated from each other. Further, the rising wall 13 and the pressing portion 63 may be in contact with each other or may be slightly separated from each other. Further, if the support portion 64 is disposed outside the rising wall 13, the length of the support portion 64 may be set to be equal to or shorter than the length of the rising wall 13.
  • the valve 71 includes a main body cylinder portion 72 having a communication hole formed therein.
  • the main body cylinder part 72 is a part joined to the base part 62 of the auxiliary member 61.
  • a tapered portion 72 a that is tapered toward the distal end is formed on the distal end side of the main body cylindrical portion 72.
  • a male screw is formed on the outer peripheral surface of the tapered portion 72a.
  • a seal member 65 is interposed between the tapered portion 72 a and the base portion 62 of the auxiliary member 61.
  • a seal tape is used as the seal member 65.
  • valve 6 used in the first embodiment the presser portion 32 and the support portion 33 are formed, but there is a valve in which the presser portion 32 and the support portion 33 are not formed.
  • auxiliary member 61 between the base member 3 and the valve 71, various types of valves can be handled.
  • the support member 64 disposed outside the rising wall 13 is formed in the auxiliary member 61, when the internal pressure is applied to the resin liner 2, the rising wall 13 and the cylindrical portion 11 fall outside. Can be prevented, and the durability of the pressure vessel 1B can be improved. Further, by providing the seal member 65, the sealing performance between the auxiliary member 61 and the valve 71 can be enhanced.
  • FIG. 10 is an enlarged cross-sectional side view of a main part showing a pressure vessel according to a modification.
  • the pressure vessel 1 ⁇ / b> C is different from the second embodiment in that the valve 81 is configured and an O-ring is used for the seal member 65.
  • the valve 81 includes a main body cylinder portion 82 having a communication hole formed therein.
  • the main body cylinder part 82 is a part joined to the base part 62 of the auxiliary member 61.
  • the main body cylinder portion 82 includes a joint portion 82a formed with a male screw, a tip portion 82b formed on the tip side of the joint portion 82a, and a recess portion 82c formed on the tip portion 82b. Is formed.
  • the tip 82b has a substantially cylindrical shape.
  • the recess 82c is a recess formed in the outer peripheral surface of the tip end portion 82b.
  • a seal member (O-ring) 65 is disposed in the recess 82c.
  • the inner peripheral surface 62a of the base portion 62 of the auxiliary member 61 faces the outer peripheral surface of the tip end portion 82b.
  • the sealing performance between the auxiliary member 61 and the valve 81 can be enhanced by the sealing member 65 being in contact with the inner peripheral surface 62a and the recess 82c.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

La présente invention aborde le problème relatif à la fourniture d'une cuve sous pression dont l'étanchéité peut être bien assurée au moyen d'une structure simple. La cuve sous pression (1) comprend : une doublure de résine creuse (2) qui est pourvue d'un col en saillie (2c) et qui accueille le gaz ou le liquide ; un élément d'embout (3) qui est installé à l'intérieur du col (2c) ; une valve (6) qui est installée à l'intérieur de l'élément d'embout (3) ; et un élément d'étanchéité (7) qui est prévu entre la doublure de résine (2) et la valve (6). La cuve sous pression est caractérisée en ce que : le col (2c) est pourvu d'un cylindre (11) qui présente une forme cylindrique, d'une surface d'appui de fixation (12a) qui est prévue sur l'extrémité supérieure du cylindre (11) où l'élément d'étanchéité (7) est attaché et d'une paroi verticale (13) qui se dresse à l'extérieur de la surface d'appui de fixation (12a) ; et en ce que l'élément d'étanchéité (7) vient buter contre une portion de la valve (6) et la surface d'appui de fixation (12a).
PCT/JP2012/067202 2011-07-13 2012-07-05 Cuve sous pression WO2013008719A1 (fr)

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JP2011154889 2011-07-13
JP2011-154889 2011-07-13
JP2011229388A JP5581295B2 (ja) 2011-07-13 2011-10-19 圧力容器
JP2011-229388 2011-10-19

Publications (1)

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WO2013008719A1 true WO2013008719A1 (fr) 2013-01-17

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JP (1) JP5581295B2 (fr)
CN (1) CN103703298B (fr)
WO (1) WO2013008719A1 (fr)

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CN105264278A (zh) * 2013-06-06 2016-01-20 八千代工业株式会社 压力容器
CN108953985A (zh) * 2018-08-06 2018-12-07 亚普汽车部件股份有限公司 具有密封结构的高压复合容器
US10895346B2 (en) 2014-04-09 2021-01-19 Kobe Steel, Ltd. Pressure vessel
FR3116322A1 (fr) * 2020-11-13 2022-05-20 Faurecia Systemes D'echappement Réservoir de gaz sous pression
CN114763875A (zh) * 2021-01-13 2022-07-19 麦格纳能源储存系统公司 制造中空体的方法
IT202100006806A1 (it) * 2021-03-22 2022-09-22 Carbon Cylinder S R L Bombola ad alta pressione con anima in materiale plastico e rivestimento in materiale composito e relativo metodo di produzione
FR3124570A1 (fr) * 2021-06-28 2022-12-30 Faurecia Systemes D'echappement Réservoir pour gaz sous pression
EP4141314A1 (fr) * 2021-08-27 2023-03-01 MAGNA Energy Storage Systems GmbH Réservoir haute pression doté d'une partie à bossage pourvue de revêtement en matière plastique
US20230158729A1 (en) * 2021-02-10 2023-05-25 Canature Health Technology Group Co., Ltd. Liner structure and blow-molding manufacturing method forliner structure
WO2024121298A1 (fr) 2022-12-08 2024-06-13 Plastic Omnium New Energies France Réservoir destiné à contenir un gaz sous pression à embout amélioré

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JP2014222081A (ja) * 2013-05-13 2014-11-27 中国工業株式会社 高圧ガス容器
JP2015113957A (ja) * 2013-12-13 2015-06-22 株式会社Fts 圧力容器の口金構造
JP6153475B2 (ja) 2014-01-10 2017-06-28 株式会社Fts 圧力容器の口金構造
JP2016023654A (ja) * 2014-07-16 2016-02-08 株式会社Fts 圧力容器
JP6264244B2 (ja) * 2014-09-17 2018-01-24 トヨタ自動車株式会社 高圧タンク
CN104455411B (zh) * 2014-11-19 2016-10-05 朱苗君 压力容器
CN111649225A (zh) * 2020-05-26 2020-09-11 武汉理工大学 一种全缠绕复合气瓶塑料内胆成型方法
WO2021246085A1 (fr) 2020-06-05 2021-12-09 Nok株式会社 Structure d'étanchéité

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105264278A (zh) * 2013-06-06 2016-01-20 八千代工业株式会社 压力容器
US10895346B2 (en) 2014-04-09 2021-01-19 Kobe Steel, Ltd. Pressure vessel
CN108953985A (zh) * 2018-08-06 2018-12-07 亚普汽车部件股份有限公司 具有密封结构的高压复合容器
FR3116322A1 (fr) * 2020-11-13 2022-05-20 Faurecia Systemes D'echappement Réservoir de gaz sous pression
US12025225B2 (en) 2020-11-13 2024-07-02 Faurecia Systemes D'echappement Pressurized gas tank
US11565455B2 (en) 2021-01-13 2023-01-31 Magna Energy Storage Systems Gesmbh Method of producing a hollow body
CN114763875A (zh) * 2021-01-13 2022-07-19 麦格纳能源储存系统公司 制造中空体的方法
EP4030095A1 (fr) * 2021-01-13 2022-07-20 Magna Energy Storage Systems GesmbH Procédé de fabrication d'un corps creux
US20230158729A1 (en) * 2021-02-10 2023-05-25 Canature Health Technology Group Co., Ltd. Liner structure and blow-molding manufacturing method forliner structure
EP4063099A4 (fr) * 2021-02-10 2023-10-18 Canature Health Technology Group Co., Ltd. Structure de contenant interne et procédé de fabrication de la structure de contenant interne au moyen du moulage par soufflage
WO2022199906A1 (fr) * 2021-03-22 2022-09-29 Carbon Cylinder S.R.L. Cylindre haute pression ayant un noyau en matière plastique et un revêtement de surface en matériau composite et procédé de production associé
IT202100006806A1 (it) * 2021-03-22 2022-09-22 Carbon Cylinder S R L Bombola ad alta pressione con anima in materiale plastico e rivestimento in materiale composito e relativo metodo di produzione
WO2023274948A1 (fr) * 2021-06-28 2023-01-05 Faurecia Systemes D'echappement Réservoir pour gaz sous pression
FR3124570A1 (fr) * 2021-06-28 2022-12-30 Faurecia Systemes D'echappement Réservoir pour gaz sous pression
EP4141314A1 (fr) * 2021-08-27 2023-03-01 MAGNA Energy Storage Systems GmbH Réservoir haute pression doté d'une partie à bossage pourvue de revêtement en matière plastique
WO2024121298A1 (fr) 2022-12-08 2024-06-13 Plastic Omnium New Energies France Réservoir destiné à contenir un gaz sous pression à embout amélioré
FR3143095A1 (fr) * 2022-12-08 2024-06-14 Plastic Omnium New Energies France Réservoir destiné à contenir un gaz sous pression à embout amélioré

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CN103703298B (zh) 2015-08-26
CN103703298A (zh) 2014-04-02
JP5581295B2 (ja) 2014-08-27
JP2013036603A (ja) 2013-02-21

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