WO2013080810A1 - 圧力容器及び圧力容器の製造方法 - Google Patents

圧力容器及び圧力容器の製造方法 Download PDF

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Publication number
WO2013080810A1
WO2013080810A1 PCT/JP2012/079738 JP2012079738W WO2013080810A1 WO 2013080810 A1 WO2013080810 A1 WO 2013080810A1 JP 2012079738 W JP2012079738 W JP 2012079738W WO 2013080810 A1 WO2013080810 A1 WO 2013080810A1
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WIPO (PCT)
Prior art keywords
neck portion
base member
neck
reinforcing member
seal
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.)
Ceased
Application number
PCT/JP2012/079738
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English (en)
French (fr)
Japanese (ja)
Inventor
中村　和広
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.)
Yachiyo Industry Co Ltd
Original Assignee
Yachiyo Industry Co Ltd
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Filing date
Publication date
Application filed by Yachiyo Industry Co Ltd filed Critical Yachiyo Industry Co Ltd
Publication of WO2013080810A1 publication Critical patent/WO2013080810A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F17C1/02—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge involving reinforcing arrangements
    • F17C1/04—Protecting sheathings
    • F17C1/06—Protecting sheathings built-up from wound-on bands or filamentary material, e.g. wires
    • 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
    • F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/58—Blowing 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
    • 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
    • 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
    • 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
    • F17C2223/03—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
    • F17C2260/00—Purposes of gas storage and gas handling
    • F17C2260/01—Improving mechanical properties or manufacturing
    • F17C2260/011—Improving strength

Definitions

  • the present invention relates to a pressure vessel for storing gas or liquid and a method for manufacturing the pressure vessel.
  • a pressure vessel described in Patent Document 1 includes a resin liner having a protruding neck portion, a base member provided outside the resin liner, and a fiber reinforced resin layer (FRP) covering the resin liner and the base member. Layer).
  • FRP fiber reinforced resin layer
  • 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 gas or liquid inside the pressure vessel is discharged from the valve.
  • the resin liner and the metal base member are made of different materials, it is not easy to join these members without gaps so that gas and liquid do not leak. On the other hand, if the seal structure is complicated so as not to leak, the manufacturing work becomes complicated and the manufacturing cost increases.
  • 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 comprises a hollow resin liner that has a protruding cylindrical neck portion, and accommodates a gas or a liquid, a base member provided outside the neck portion, the neck portion, and An attachment member inserted inside the base member, a reinforcing layer covering the resin liner and the outside of the base member, a first seal member interposed between the neck portion and the base member, It has the 2nd seal member interposed between the nozzle
  • the first seal member is interposed between the base member and the neck portion having improved strength, it is possible to reliably prevent leakage of gas or liquid stored in the resin liner.
  • the first seal member when the neck portion is slightly inclined outward (in a direction away from the central axis of the neck portion) due to internal pressure, a self-sealing structure is provided between the neck portion and the base member. Therefore, leakage can be reliably prevented even when a high internal pressure is applied. Furthermore, the gap between the base member and the mounting member such as a valve can be reliably sealed with the second seal member.
  • the first seal member is provided at a position overlapping the reinforcing member in a direction from the base portion to the end portion of the neck portion. According to such a configuration, since the first seal member is sandwiched between the neck portion having the highest strength and the base member, the seal can be more reliably performed.
  • the present invention also includes a hollow resin liner that includes a protruding cylindrical neck portion and that accommodates gas or liquid, a cap member provided outside the neck portion, and an inner side of the neck portion and the cap member.
  • a mounting member inserted into the base plate, a reinforcing layer covering the outside of the resin liner and the base member, a third seal member interposed between the neck portion and the mounting member, and a periphery of the neck portion. And a reinforcing member provided across the direction.
  • the third seal member is interposed between an attachment member such as a valve and a neck portion with improved strength, it is possible to reliably prevent leakage of gas or liquid stored in the resin liner. Moreover, the leak of the gas or liquid stored by the resin liner can be reliably prevented with one seal member.
  • the third seal member is provided at a position overlapping the reinforcing member in a direction from the base portion to the end portion of the neck portion. According to this configuration, since the third seal member is sandwiched between the highest strength portion of the neck portion and the attachment member such as a valve, the seal can be more reliably performed.
  • the base member has a ring-shaped flange portion and a cylindrical projecting portion projecting from the flange portion, and the projecting portion is inclined in the direction of the central axis of the neck portion so as to be tapered. It is preferable to provide an inclined portion.
  • stress concentrates on the flange portion of the base member, and the base member may be detached from the resin liner.
  • the stress can be dispersed in the inclined portion by providing the inclined portion in the protruding portion, it is possible to prevent the cap member from being detached.
  • the present invention provides an arrangement step of arranging a reinforcing member on the blow pin, a parison supply step of supplying a parison between a pair of molding dies, and a space formed by these molding dies while closing the molding die.
  • the reinforcing member preferably includes a cylindrical main body portion and a positioning portion that protrudes inward from the main body portion, and in the arranging step, the positioning portion is brought into contact with the small diameter portion. .
  • the reinforcing member since the reinforcing member is positioned with respect to the blow pin, the reinforcing member can be accurately provided on the neck portion.
  • (A) is a 3rd modification
  • (b) is a typical sectional side view which shows a 4th modification. It is a schematic sectional side view which shows a 5th modification. It is a model side sectional view showing the 6th modification. It is a figure which shows the manufacturing method of the pressure vessel which concerns on a 6th modification, Comprising: (a) shows before blow, (b) shows after blow.
  • a pressure vessel 1 includes a resin liner 2, a cap member 3 formed at an end of the resin liner 2, and a fiber reinforced resin layer 5 that covers the outer periphery of the resin liner 2.
  • the valve 6 attached to the base member 3, the first seal member 7, the second seal member 8, and the reinforcing member 9 are mainly configured.
  • 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 along the central axis C direction 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 neck portion 2c protrudes toward the outside of the pressure vessel 1 (outside in the extension direction of the central axis C).
  • the shape of the resin liner 2 is not particularly limited, and may be a spherical shape, for example.
  • the neck portion 2c is continuous with the shoulder portion 2b and has a cylindrical shape.
  • a reinforcing member 9 to be described later is provided at the tip of the neck portion 2c.
  • a valve 6 described later is in contact with the inside of the neck portion 2c (direction approaching the center axis C), and the base member 3 is in contact with the outside (direction away from the center axis C).
  • the base member 3 is made of metal and includes an annular flange portion 21 and a protruding portion 22 protruding from the flange portion 21.
  • the protrusion 22 has a substantially cylindrical shape, and a seal receiving groove 23 and a screw groove 24 are formed on the inner peripheral surface thereof.
  • the seal receiving groove 23 is formed over the entire circumference and is a part where the first seal member 7 is disposed.
  • the screw groove 24 is formed with a female screw for the valve 6 to be screwed therein.
  • a seal receiving groove 25 is formed on the upper end surface of the protruding portion 22.
  • the seal receiving groove 25 is formed over the entire circumference and is a part where the second seal member 8 is disposed.
  • the base member 3 is preferably formed so as not to rotate with respect to the resin liner 2. For example, by using a burr generated during molding of the resin liner 2, a rib protruding outward from the outer surface of the resin liner 2 is formed, and this rib is inserted into a slit provided on the inner surface of the base member 3 to prevent rotation. It is good also as a structure.
  • 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 and a part of the base member 3.
  • the resin used for the fiber reinforced resin layer 5 is generally an epoxy resin because of its high strength.
  • the fiber reinforced resin layer 5 corresponds to a “reinforcing layer” in the claims.
  • the reinforcing layer is not limited to the fiber reinforced resin, and may be formed of other materials that can improve the strength of the resin liner 2.
  • the valve 6 is inserted into the neck portion 2c of the resin liner 2 and the inside of the base member 3 as shown in FIG.
  • the valve 6 includes a large-diameter portion 31, a presser portion 32 that protrudes outward from the outer periphery of the large-diameter portion 31, and a small-diameter portion 33 that continues to the large-diameter portion 31.
  • a communication hole communicating in the vertical direction is formed inside the valve 6.
  • 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 the base member 3, and may be a joint member, for example.
  • a thread groove 31a is formed in the lower portion of the large diameter portion 31 (below the presser portion 32).
  • the screw groove 31 a is a part that is screwed into the screw groove 24 of the base member 3.
  • the presser portion 32 projects outward from the large diameter portion 31 and has a disk shape in plan view.
  • the outer diameter of the pressing portion 32 is equal to the outer diameter of the tip of the protruding portion 22 of the base member 3.
  • the small diameter portion 33 extends concentrically with the large diameter portion 31 below the large diameter portion 31.
  • the outer peripheral surface of the small diameter portion 33 is in contact with the inner peripheral surface of the neck portion 2c.
  • the first seal member 7 is an O-ring and is disposed in the seal receiving groove 23.
  • the first seal member 7 is a member that seals between the resin liner 2 and the base member 3. Specifically, the first seal member 7 is in contact with the bottom surface of the seal receiving groove 23 and the outer peripheral surface of the neck portion 2c.
  • the first seal member 7 is disposed at the same height position as the reinforcing member 9 (position overlapping the reinforcing member 9 in the direction from the base portion to the end portion of the neck portion 2c).
  • the second seal member 8 is an O-ring and is disposed in the seal receiving groove 25.
  • the second seal member 8 is a member that seals between the base member 3 and the valve 6. Specifically, the second seal member 8 is in contact with the bottom surface of the seal receiving groove 25 and the lower surface of the pressing portion 32.
  • the reinforcing member 9 is a member provided inside the tip of the neck portion 2c and is a member that increases the strength of the neck portion 2c.
  • the reinforcing member 9 is made of metal and includes a cylindrical main body portion 35 and a positioning portion 36 that protrudes from the upper end side of the main body portion 35 toward the inner side (center axis C side).
  • the positioning part 36 is formed over the entire circumference of the inner peripheral surface of the main body part 35.
  • the positioning portion 36 is in contact with the small diameter portion 33 of the valve 6.
  • the reinforcing member 9 is made of metal in this embodiment, but may be formed of other materials as long as it is hard.
  • the reinforcing member 9 may be configured not as a single unit but divided, or may be configured intermittently in the circumferential direction. Further, only the positioning portion 36 may be intermittently formed on the inner peripheral surface of the main body portion 35.
  • 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.
  • an arrangement process, a parison supply process, a mold clamping process, a blow process, a cap member installation process, a fiber reinforced resin layer molding process, and a component mounting process are performed.
  • the reinforcing member 9 is arranged on the blow pin 41 as shown in FIG.
  • the blow pin 41 is a device that has a cylindrical shape and blows air into a space closed by the molding dies K and K.
  • the blow pin 41 includes a large diameter portion 42 and a small diameter portion 43 formed concentrically with the large diameter portion 42.
  • a stepped portion 44 that is a horizontal plane is formed by a step between the large diameter portion 42 and the small diameter portion 43.
  • the reinforcing member 9 is arranged on the stepped portion 44. Since the inner diameter of the reinforcing member 9 (the inner diameter of the positioning portion 36) is equal to the outer diameter of the small diameter portion 43, the reinforcing member 9 and the small diameter portion 43 are in contact with each other. Thereby, the position of the reinforcing member 9 with respect to the blow pin 41 is determined.
  • An adhesive may be applied in advance around the reinforcing member 9.
  • the small diameter portion 43 of the blow pin 41 and the small diameter portion 33 of the valve 6 have the same diameter.
  • a cylindrical parison P is supplied outside the blow pin 41 and between molds K and K described later.
  • the drawing of the parison is omitted for convenience of explanation.
  • the molds K and K are clamped as shown in FIG.
  • the inner surfaces K1 and K1 at the end of the mold K are cut out in a semicircular shape so as to face the large diameter portion 42.
  • a fine gap for air removal is formed between the large diameter portion 42 and the inner surfaces K1, K1.
  • 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 base member 3 is installed on the neck portion 2 c of the resin liner 2 while the first seal member 7 is disposed in the seal receiving groove 23.
  • the fiber reinforced resin layer 5 is formed on the outer periphery of the resin liner 2 and the base member 3 by, for example, a filament winding method.
  • the second seal member 8 is disposed in the seal receiving groove 25 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. In this embodiment, although it manufactured by blow molding, after inserting the reinforcement member 9 in a shaping
  • the neck portion 2c is made of resin and is formed to protrude, the neck portion 2c is liable to deteriorate due to aging, but by providing the reinforcing member 9 on the neck portion 2c, the neck portion 2c Strength can be increased. Since the first seal member 7 is interposed between the base member 3 and the neck portion 2c with improved strength, it is possible to reliably prevent leakage of gas or liquid stored in the resin liner 2.
  • the neck portion 2 c when the neck portion 2 c is slightly tilted outward due to the internal pressure, a self-sealing structure is formed between the base member 3 and the neck portion 2 c, so that a high internal pressure acts. Even in this case, it is possible to reliably prevent leakage. Further, the gap between the base member 3 and the valve 6 can be reliably sealed with the second seal member 8.
  • the 1st seal member 7 is provided in the same height position as the reinforcement member 9, and the 1st seal member 7 consists of the part with the highest intensity
  • the “same height position” means a position where the first seal member 7 is in contact with a range indicated by a virtual horizontal line in contact with the upper end and the lower end of the reinforcing member 9.
  • the reinforcing member 9 can be provided on the neck portion 2c with high accuracy.
  • a pressure vessel 1A according to a second embodiment of the present invention will be described with reference to FIG.
  • the arrangement position of the second seal member 8 is mainly different from the first embodiment.
  • a seal receiving groove 26 is formed below the large diameter portion 31 of the valve 6 (below the pressing portion 32).
  • the second seal member 8 seals between the valve 6 and the base member 3 by being disposed in the seal receiving groove 26. Even in the pressure vessel 1A according to the second embodiment, the same effects as those of the first embodiment can be obtained.
  • a pressure vessel 1B according to a third embodiment of the present invention will be described with reference to FIG.
  • the third embodiment is different from the first embodiment mainly in that a third seal member 10 is provided on the valve 6.
  • a seal receiving groove 51 is formed on the entire outer periphery of the small diameter portion 33 of the valve 6.
  • the third seal member 10 is disposed in the seal receiving groove 51, and seals between the valve 6 and the neck portion 2 c of the resin liner 2.
  • the strength of the neck portion 2c can be increased by providing the reinforcing member 9 on the neck portion 2c that is easily lost due to internal pressure. Further, since the third seal member 10 is interposed between the valve 6 and the neck portion 2c having improved strength, it is possible to reliably prevent leakage of gas or liquid stored in the resin liner 2. In addition, the leak of gas or liquid stored in the resin liner 2 can be reliably prevented with one seal member, so that the number of parts can be reduced.
  • the third seal member 10 is provided at the same height position as the reinforcing member 9 (a position overlapping the reinforcing member 9 in the direction from the base portion to the end portion of the neck portion 2c). Since the third seal member 10 is sandwiched between the portion having the highest strength and the valve 6, the sealing can be performed more reliably.
  • third seal member 10 may be provided in the structure of the first embodiment as in the third embodiment.
  • the reinforcing member 9A may have a cylindrical shape (a rectangular shape in cross section). Further, although not specifically shown, the reinforcing member 9A may be used in a structure in which the third seal member 10 is provided between the valve 6 and the neck portion 2c as in the third embodiment.
  • the reinforcing member 9B may have a T-shape in cross section.
  • the reinforcing member 9 includes a cylindrical main body portion 35B extending in the vertical direction and a positioning portion 36B extending in the horizontal direction at the upper end of the main body portion 35B.
  • the positioning portion 36B has the same width as the thickness of the neck portion 2c.
  • the positioning portion 36 ⁇ / b> B contacts the small diameter portion 33 of the valve 6 and the base member 3.
  • the reinforcing member 9B may be used in a structure in which the third seal member 10 is provided between the valve 6 and the neck portion 2c as in the third embodiment.
  • seal receiving grooves 23A and 23B are formed on the inner peripheral surface of the protruding portion 22 of the base member 3, and the first seal members 7A and 7B are provided. It may be. That is, a plurality of seal members may be set. Although not specifically shown, a plurality of third seal members 10 may be installed in the configuration according to the third embodiment.
  • the seal receiving groove 23 is formed on the inner peripheral surface of the protruding portion 22 of the base member 3, and the first seal member 7 and the backup ring 61 are provided. It may be. By providing the backup ring 61, it is possible to prevent the first seal member 7 from being displaced. Although not shown in the drawings, the backup ring 61 may be provided adjacent to the third seal member 10 in the configuration according to the third embodiment.
  • the protruding portion 22 of the base member 3 may be provided with an inclined portion 22a inclined in the direction of the central axis C of the neck portion 2c so as to be tapered.
  • the internal pressure acts on the pressure vessel 1
  • stress concentrates on the flange portion 21 of the base member 3, and the base member 3 may be detached from the resin liner 2.
  • this stress can be dispersed also in the inclined portion 22a by providing the inclined portion 22a in the protruding portion 22.
  • the flange part 21 and the inclination part 22a can be pressed down with the fiber reinforced resin layer 5, the separation
  • the reinforcing member 9 has a cylindrical shape and is formed over the circumferential direction of the neck portion 2c.
  • the cross-sectional shape of the reinforcing member 9 is L-shaped.
  • FIG. 11 is a view showing a method of manufacturing a pressure vessel according to a sixth modification, wherein (a) shows before blowing and (b) shows after blowing.
  • the reinforcing member 9C is arranged on the ball coupler type blow pin 70 in the arrangement step in the sixth modification.
  • the blow pin 70 includes a cylindrical inner portion 71 and a cylindrical outer portion 72 that houses the inner portion 71.
  • the inner portion 71 is slidable in the axial direction with respect to the outer portion 72.
  • the outer part 72 includes a large diameter part 72a and a small diameter part 72b.
  • a through hole 72c in which the ball B is disposed is formed in the small diameter portion 72b.
  • the inner portion 71 is caused to enter the outer portion 72.
  • the ball B is pushed outward by the outer peripheral surface of the inner portion 71, and a part of the ball B engages with the hole 81 of the reinforcing member 9C.
  • the reinforcing member 9 ⁇ / b> C is held with respect to the blow pin 70.
  • the resin is filled into a portion surrounded by the molding die K and the inner portion 71 of the blow pin 70 to perform blow molding.
  • the space Q is filled with the resin smoothly.
  • the blow pin 70 is pulled out from the mold K. At this time, the inner part 71 of the blow pin 70 is moved backward with respect to the outer part 72. Thereby, since the ball
  • the 2nd seal member 8 of 1st embodiment is arrange
  • die member 3 you may provide a seal

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Blow-Moulding Or Thermoforming Of Plastics Or The Like (AREA)
PCT/JP2012/079738 2011-11-29 2012-11-16 圧力容器及び圧力容器の製造方法 Ceased WO2013080810A1 (ja)

Applications Claiming Priority (4)

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JP2011259909 2011-11-29
JP2011-259909 2011-11-29
JP2012-099372 2012-04-25
JP2012099372A JP5902028B2 (ja) 2011-11-29 2012-04-25 圧力容器の製造方法

Publications (1)

Publication Number Publication Date
WO2013080810A1 true WO2013080810A1 (ja) 2013-06-06

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US20160123538A1 (en) * 2013-06-06 2016-05-05 Yachiyo Industry Co., Ltd. Pressure container
WO2016167034A1 (ja) * 2015-04-15 2016-10-20 八千代工業株式会社 圧力容器
NL1041888A (nl) * 2015-11-24 2017-06-07 Inventum Beheer B V Kunststof vat met versterkte vezels
CN108779894A (zh) * 2016-03-16 2018-11-09 陆型技术公司 用于压力容器凸台的排放配件
WO2021057717A1 (zh) * 2019-09-26 2021-04-01 未势能源科技有限公司 压力容器和车辆
CN113280253A (zh) * 2020-01-31 2021-08-20 丰田自动车株式会社 高压罐的制造方法
DE102015100035B4 (de) 2014-01-10 2022-06-15 Toyota Jidosha Kabushiki Kaisha Mundstückaufbau für einen Druckbehälter
CN115949879A (zh) * 2022-09-28 2023-04-11 湖北三江航天江北机械工程有限公司 塑料内胆纤维全缠绕气瓶
FR3133424A1 (fr) * 2022-03-08 2023-09-15 Faurecia Systemes D'echappement Enveloppe pour un réservoir de gaz sous pression
RU2817917C1 (ru) * 2019-09-26 2024-04-23 ЭфТиЭксТи ЭНЕРДЖИ ТЕКНОЛОГИ КО., ЛТД. Сосуд высокого давления и транспортное средство
FR3151891A1 (fr) * 2023-08-04 2025-02-07 Faurecia Hydrogen Solutions France Réservoir pour gaz sous pression
CN120112406A (zh) * 2022-10-24 2025-06-06 八千代工业株式会社 压力容器和压力容器的制造方法

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JP6608601B2 (ja) * 2015-03-05 2019-11-20 株式会社Ｆｔｓ 圧力容器
JP6069413B2 (ja) * 2015-05-28 2017-02-01 シャインスターホールディング株式会社 複合容器の口金構造、および複合容器
JP6637292B2 (ja) * 2015-11-11 2020-01-29 八千代工業株式会社 圧力容器およびその製造方法
JP6356172B2 (ja) * 2016-03-15 2018-07-11 本田技研工業株式会社 高圧タンク
JP6500005B2 (ja) 2016-12-13 2019-04-10 本田技研工業株式会社 高圧タンク
JP6787191B2 (ja) * 2017-03-06 2020-11-18 トヨタ自動車株式会社 タンク保持治具
JP6487478B2 (ja) * 2017-03-15 2019-03-20 本田技研工業株式会社 高圧タンク
JP6473479B2 (ja) * 2017-06-26 2019-02-20 中国工業株式会社 圧力容器及び圧力容器の製造方法
CN108870076B (zh) * 2018-08-06 2020-12-29 亚普汽车部件股份有限公司 用于高压复合容器的密封结构
FR3089160B1 (fr) 2018-11-30 2020-12-04 Plastic Omnium Advanced Innovation & Res Enveloppe interne pour réservoir de stockage de fluide sous pression pour véhicule automobile
JP7416017B2 (ja) * 2021-06-14 2024-01-17 トヨタ自動車株式会社 圧力容器

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US20160123538A1 (en) * 2013-06-06 2016-05-05 Yachiyo Industry Co., Ltd. Pressure container
DE102015100035B4 (de) 2014-01-10 2022-06-15 Toyota Jidosha Kabushiki Kaisha Mundstückaufbau für einen Druckbehälter
WO2016167034A1 (ja) * 2015-04-15 2016-10-20 八千代工業株式会社 圧力容器
JPWO2016167034A1 (ja) * 2015-04-15 2017-11-30 八千代工業株式会社 圧力容器
NL1041888A (nl) * 2015-11-24 2017-06-07 Inventum Beheer B V Kunststof vat met versterkte vezels
US11117226B2 (en) 2016-03-16 2021-09-14 Hexagon Technology As Vented fitting for pressure vessel boss
US10648620B2 (en) 2016-03-16 2020-05-12 Hexagon Technology As Vented fitting for pressure vessel boss
CN108779894A (zh) * 2016-03-16 2018-11-09 陆型技术公司 用于压力容器凸台的排放配件
RU2817917C1 (ru) * 2019-09-26 2024-04-23 ЭфТиЭксТи ЭНЕРДЖИ ТЕКНОЛОГИ КО., ЛТД. Сосуд высокого давления и транспортное средство
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WO2021057717A1 (zh) * 2019-09-26 2021-04-01 未势能源科技有限公司 压力容器和车辆
CN113280253A (zh) * 2020-01-31 2021-08-20 丰田自动车株式会社 高压罐的制造方法
CN113280253B (zh) * 2020-01-31 2023-02-17 丰田自动车株式会社 高压罐的制造方法
FR3133424A1 (fr) * 2022-03-08 2023-09-15 Faurecia Systemes D'echappement Enveloppe pour un réservoir de gaz sous pression
CN115949879A (zh) * 2022-09-28 2023-04-11 湖北三江航天江北机械工程有限公司 塑料内胆纤维全缠绕气瓶
CN115949879B (zh) * 2022-09-28 2024-05-07 湖北三江航天江北机械工程有限公司 塑料内胆纤维全缠绕气瓶
CN120112406A (zh) * 2022-10-24 2025-06-06 八千代工业株式会社 压力容器和压力容器的制造方法
EP4610542A4 (en) * 2022-10-24 2025-12-17 Yachiyo Ind Co Ltd PRESSURE VESSEL AND METHOD FOR MANUFACTURED A PRESSURE VESSEL
FR3151891A1 (fr) * 2023-08-04 2025-02-07 Faurecia Hydrogen Solutions France Réservoir pour gaz sous pression

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