CN108131554A - A kind of sealing device of high-pressure composite containers plastic inner container - Google Patents
A kind of sealing device of high-pressure composite containers plastic inner container Download PDFInfo
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- CN108131554A CN108131554A CN201810021202.2A CN201810021202A CN108131554A CN 108131554 A CN108131554 A CN 108131554A CN 201810021202 A CN201810021202 A CN 201810021202A CN 108131554 A CN108131554 A CN 108131554A
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- Prior art keywords
- plastic inner
- inner lining
- sealing
- metal termination
- metal
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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
- F17C1/005—Storage of gas or gaseous mixture at high pressure and at high density condition, e.g. in the single state phase
-
- 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
- F17C13/002—Details of vessels or of the filling or discharging of vessels for vessels under pressure
-
- 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
- F17C2203/0612—Wall structures
- F17C2203/0614—Single wall
-
- 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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
-
- 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
- F17C2221/012—Hydrogen
-
- 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
- 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
-
- 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
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0165—Applications for fluid transport or storage on the road
- F17C2270/0168—Applications for fluid transport or storage on the road by vehicles
- F17C2270/0178—Cars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of sealing devices of high-pressure composite containers plastic inner container, the sealing device includes the sealing gasket of composite bed, elastomer rubber sealing ring, bottle-jack valve and metal that aluminium alloy or the metal termination of stainless steel, the plastic inner lining of single-layer or multi-layer material, fiber and resin form, the metal termination is wrapped up by plastic inner lining, and strengthen connecting by strengthening part, two sealing rings are separately mounted on metal termination and plastic inner lining；Sealing gasket and metal termination, plastic inner lining crush seal circle, composite bed carry out wrapping up sealing gasket, plastic inner lining by way of winding, and bottle-jack valve is attached with metal termination by metal threaded, ultimately forms sealing structure.Connect more reliable for ensure metal termination and plastic inner lining, when plastic inner lining be molded, embedded metal termination, by metal termination the features such as hole, slot, ripple the two be reliably connected.
Description
Technical field
The present invention relates to a kind of sealing devices, and in particular to a kind of sealing device of high-pressure composite containers plastic inner container belongs to
In Oiltank structure component technology field.
Background technology
To replace fuel oil, the operating pressure of general CNG gas cylinders is most of taxi repacking compressed natural gas (CNG)
20MPa；Some vehicles producer has promoted the CNG or CNG vehicles mixed with fuel oil, such as Audi, general.Employ hydrogen
Fuel cell car is also current hot spot, and the operating pressure of hydrogen storage gas cylinder is generally 35MPa, 70MPa, and 70MPa
IV types bottle (high-pressure plastic liner clad vessel) is current research and development focus.In addition to automobile-used, gas cylinder is also obtained in other field
Partial liquefaction oil gas to sufficient application, such as Europe uses plastic inner lining clad vessel (operating pressure 2MPa).Largely
High-pressure bottle be used widely in daily life, traditional simple metal or metal inner lining clad vessel are bigger than normal there are weight
The problem of, it is not easy to transport；And storage pressure is higher, metal inner tube production technology is more complicated, and cost is higher, also exists by high pressure gas
The risk of body corrosion.In order to meet light-weighted requirement, high-pressure plastic liner clad vessel generates, should because of the characteristic of plastics
Class product has the superior functions such as corrosion-resistant, endurance, and main production firm is Toyota, Hexagon (Norway), Quantum (U.S.s
State) etc..Relative to simple metal or metal inner lining clad vessel, the guarantee of the leakproofness of high-pressure plastic liner clad vessel is more severe
It carves, main cause is that plastic inner lining is different from the material of metal termination, during use repeatedly, plastic inner lining and metal end
Head connection can loosen, and sealing performance declines.
In view of the hot spot and difficult point that connect into for research of present situation, metal termination and plastic inner lining.Fig. 1 show one
High-pressure plastic liner clad vessel, metal termination 1 are mounted on plastic inner lining 2, are twined later by fiber composite layer 3
Around being wrapped to form.Fig. 2 illustrates the sealing structure of end face：Metal termination 1 is contacted with the big face of plastic inner lining in technique
It is infeasible, even if feasible cost is also high；The structure does not consider metal termination 1 and the limit on 2 axis of plastic inner lining
Position；The structure does not consider the internal pressure changing pressurising of plastic inner lining during winding, and metal termination 1 and plastic inner lining can be caused to connect
The place of connecing generates gap and causes leakage；The structure does not consider limiting when bottleneck bears installation torque, and metal termination 1 is caused after installation
It is reduced with the bond strength of composite bed 3；The escape paths P of compressed gas is shorter in the structure, can increase compressed gas escape
Risk, especially micro-molecular gas hydrogen, helium；Therefore, there is an urgent need for a kind of new schemes to solve the technical problem.
Invention content
The present invention is exactly for the technical problems in the prior art, to provide a kind of high-pressure composite containers plastic inner container
Sealing device, the Technical Design is ingenious, compact-sized, to ensure that metal termination and plastic inner lining connect more may be used
Lean on, when plastic inner lining is molded, embedded metal termination, by metal termination both features such as hole, slot, ripple it is reliable
Connection, while ripple struction can inhibit the escape of compressed gas to a certain extent；To reduce the escape of compressed gas, increase
The path P of hydrogen escape；The connection of metal termination, plastic inner lining, bottle-jack valve is considered, use sealing ring few as possible is realized
The sealing of assembly.
To achieve these goals, technical scheme is as follows, a kind of sealing of high-pressure composite containers plastic inner container
Device, the sealing device is by the metal termination of aluminium alloy or stainless steel, plastic inner lining, fiber and the tree of single-layer or multi-layer material
The sealing gasket of composite bed, elastomer rubber sealing ring, the bottle-jack valve and metal composition that fat forms, the metal termination are moulded
Expect liner package, and strengthen connecting by strengthening part, two sealing rings are separately mounted on metal termination and plastic inner lining；It is close
Envelope liner squeezes mounted sealing ring with metal termination, plastic inner lining, and composite bed is carried out by way of winding to sealing lining
Pad, plastic inner lining are wrapped up, and bottle-jack valve is attached with metal termination by metal threaded, ultimately forms sealing structure.
As a modification of the present invention, the strengthening part be provided in hole in metal termination, slot, ripple struction,
One or more of polymorphic structure strengthening part.
As a modification of the present invention, the metal termination includes flat segments end, that is, position of bottleneck and segmental arc end
That is end socket position, the thickness of the segmental arc end from inside to outside is gradually thinning, and the hole, slot are arranged on segmental arc end, wave
Line structure setting is in flat segments end.
As a modification of the present invention, pore size distribution is in segmental arc end outermost, the relatively thin position of wall thickness, the axial direction in hole
It is vertical as possible with binding face.In forming process, molten plastic is squeezed through smallest cross-sectional by hole and forms back-off structure, in order to full
Foot has enough material that can be pressed against；And form back-off structure.Consider equal diameter trepanning simultaneously, then for the section (normal direction in section
It is parallel with the normal direction of binding face) initially contact expect the opening 11a of embryo, the area of smallest cross-sectional 11b, 11c meets following condition.
The sectional area of Min (sectional area of 11a, the sectional area of 11c) >=11b；
The pore structure is not limited to the structure in schematic diagram, and is limited to all scenario that above-mentioned formula is likely to occur.
As a modification of the present invention, the slot is distributed in the thicker position in segmental arc end, and the slot is set as
Import is small, internal big structure, and in forming process, molten plastic passes through slot and forms back-off.In the program, in order to ensure that material can squeeze
Back-off is formed into slot, import is small, internal big, and main feed direction is put parallel as possible with binding face normal direction；In order to ensure to be vented, if
Count through-hole.
As a modification of the present invention, the ripple struction is distributed in flat segments end i.e. position of bottleneck, forming process
In, plastic inner lining forms circumferential position limiting sealed ripple after blowing, and each ripple section joins end to end after being rotated by 360 °, joins end to end
Ripple along bottleneck axial position carry out array.For enhancing bottle mouth position metal termination and the bonding strength of plastic inner lining, increase
The leakage path of compressed gas, using ripple struction, plastic inner lining forms feature to metal termination after blow-moulding.The single ripple is cut
Face structure is not limited to rectangle, isosceles trapezoid, is limited to join end to end after each section is rotated by 360 °, and end to end ripple is along bottleneck
Axial position carry out array.
As a modification of the present invention, the polymorphic structure is distributed in flat segments end i.e. position of bottleneck.To ensure bottle
Mouth position can bear big torque.Having special-shaped geometric properties 14a in metal termination prevents radial rotating, in order to ensure to seal
The installation of circle may have other features on special-shaped geometric properties, such as pre-install slot.
A kind of sealing device of high-pressure composite containers plastic inner container, the sealing structure is by aluminium alloy or the metal of stainless steel
Composite bed, elastomer rubber sealing ring and the bottleneck that end, the plastic inner lining of single-layer or multi-layer material, fiber and resin form
Valve group is into the metal termination is wrapped up by plastic inner lining, and strengthens connecting by strengthening part, and pass through hole, slot, ripple etc. and add
Strong ties, composite bed carry out wrapping up plastic inner lining by way of winding, in sealing ring pre-installation and plastic inner lining, gold
Belong to end, the mounted sealing ring of plastic inner lining extruding, bottle-jack valve is attached by metal threaded with metal termination, is formed close
Envelope.The program is connected using external screw thread, and sealing is happened at plastic inner lining with that in metal termination, can save 1 sealing ring,
Eliminate sealing gasket simultaneously.
A kind of sealing device of high-pressure composite containers plastic inner container, the sealing structure is by aluminium alloy or the metal of stainless steel
Composite bed, elastomer rubber sealing ring and the bottle-jack valve that end, the plastic inner lining with sealing characteristics, fiber and resin form
Composition, metal termination are strengthened connecting by plastic inner lining by strengthening part, and composite bed is carried out by way of winding in plastics
Lining is wrapped up, and in sealing ring pre-installation and plastic inner lining, metal termination, plastic inner lining squeeze mounted sealing ring, bottleneck
Valve is attached with metal termination by metal threaded, forms sealing.
As a modification of the present invention, the strengthening part be provided in hole in metal termination, slot, ripple struction,
One or several kinds in card slot, slotted hole structure, the card slot circumferential direction are arranged in position of bottleneck, in blowing, pass through material extrusion
Mode causes card slot to be attached with plastic inner lining；The slotted hole structure is circumferentially disposed in position of bottleneck, in blowing, by squeezing
The mode of material causes slotted hole structure to enter.The program employs another connection structure in position of bottleneck, is ensured by card slot
The ability of torque is born, the connection for realizing metal termination and plastic inner lining by slotted hole structure ensures to seal.The card slot of the program,
It is circumferentially disposed.In blowing, it is attached by mode card slot and the plastic inner lining of material extrusion, it in the conceived case, can
To form card slot features in metal termination so that position of bottleneck connects more reliable.Slotted hole structure in the program, should
Structure is circumferentially disposed.In blowing, entered by the mode slotted hole structure of material extrusion along dotted line material extrusion direction.The structure shape
Limitation into radial direction connects, and improves bonding strength, enhancing sealing.
Relative to the prior art, the invention has the advantages that, 1) the technical solution overall construction design is compact, ingenious,
The program has considered the connection of metal termination, plastic inner lining, bottle-jack valve, and the metal end with hole, slot is designed in the program
Head when plastic inner lining is molded, realizes plastic inner lining and the connection of metal end face, increases the path that compressed gas is escaped；2) should
Ripple glaze that scheme is connected using multiple first and last, being closed, enhances bottleneck bonding strength, while compressed gas is inhibited to escape；3)
The program increases polymorphic structure, hole, slot, the bonding strength and sealing of reinforced plastics liner and metal termination in position of bottleneck；4)
The program considers the assembling of bottle-jack valve, realizes the closed of whole system, and reducing the use of sealing ring reduces cost, improves system
System reliability.
Description of the drawings
Fig. 1 compresses container schematic diagram for the prior art；
Fig. 2 is prior art sealed structural representation；
Fig. 3 is 1 structure diagram of embodiment；
Fig. 4 metal termination structure diagrams；
Fig. 5 is the structure diagram in hole；
Fig. 6 is the structure diagram of slot；
Fig. 7 is ripple struction schematic diagram；
Fig. 8 is bottleneck polymorphic structure schematic diagram；
Fig. 9 is 2 structure diagram of embodiment；
Figure 10 is 3 structure diagram of embodiment；
Figure 11 is notch schematic diagram；
Figure 12 is slotted hole structure schematic diagram.
In figure：1st, metal termination, 2, plastic inner lining, 3, composite bed, 4, sealing ring, 5, bottle-jack valve, 6, sealing gasket, 10,
Sealing structure, 11, hole, 12, slot, 12a, import, 12b, through-hole, 13, ripple struction, 14, polymorphic structure, 15, flange, it is 15a, close
Seal mounting groove, 16, card slot, 16a, card slot profile, 16b, card slot profile, 17, slotted hole structure, 21, back-off structure, 22, back-off,
23rd, circumferential position limiting sealed ripple 26 is buckled, 27 are buckled, 28 sealing ring mounting grooves.
Specific embodiment：
In order to deepen the understanding of the present invention, the present embodiment is described in detail below in conjunction with the accompanying drawings.
Embodiment 1：Referring to Fig. 3, a kind of sealing device of high-pressure composite containers plastic inner container, the sealing device is closed by aluminium
Gold or the metal termination 1 of stainless steel, the plastic inner lining 2 of single-layer or multi-layer material, fiber and resin composition composite bed 3, elasticity
The sealing gasket 6 of body rubber sealing ring 4, bottle-jack valve 5 and metal forms, and the metal termination 1 is wrapped up by plastic inner lining 2, and
Strengthen connecting by strengthening part, 2 sealing rings 4 are separately mounted on metal termination 1 and plastic inner lining 2；Sealing gasket 6 and gold
Category end 1, plastic inner lining 2 squeeze mounted sealing ring 4, and composite bed 3 is carried out by way of winding to sealing gasket 6, modeling
Material liner 2 is wrapped up, and bottle-jack valve 5 is attached with metal termination 1 by metal threaded, ultimately forms sealing structure, institute
State one or more of the hole 11 that strengthening part is provided in metal termination, slot 12, ripple struction 13, polymorphic structure 14
Strengthening part.Compressed gas leakage path P is most likely to happen in the binding face along metal termination 1 and plastic inner lining 2.Fig. 1 institutes
The design shown increases the path of gas escape significantly.The structure uses 2 sealing rings, sealing ring 4 above prevent gas from
Sealing gasket 5 and the gap of metal termination are run out of, and sealing ring below prevents gas between sealing gasket 5 and metal termination 1
Gap is run out of again via composite bed.
Introduce metal termination 1 distribution of 4 foundation characteristics as shown in Figure 4, say on the whole, all feature cyclization to point
Cloth；Hole slot is distributed in end socket position (arc section), and opening direction is consistent with binding face normal direction as possible；Corrugation patterns, special-shaped geometry
Feature distribution is in position of bottleneck.
Further, as shown in figure 5, the metal termination includes flat segments end, that is, position of bottleneck and segmental arc end is
End socket position, the thickness of the segmental arc end from inside to outside is gradually thinning, and the hole 11, slot 12 are arranged on segmental arc end,
Ripple struction 13, polymorphic structure 14 are arranged on flat segments end, and hole 11 is distributed in segmental arc end outermost, the relatively thin position of wall thickness
It puts, the axial direction in hole is vertical as possible with binding face.In forming process, molten plastic by hole 11 be pressed against smallest cross-sectional 11b and
Back-off structure 21 is formed, there are enough material that can be pressed against 11b to meet；And form back-off structure 21.Consider equal diameter simultaneously
Trepanning, then it is (minimum for section (normal direction in section is parallel with the normal direction of binding face) 11a (opening for initially contacting material embryo), 11b
Section), the area of 11c meet following condition.
The sectional area of Min (sectional area of 11a, the sectional area of 11c) >=11b；
The pore structure is not limited to the structure in schematic diagram, and is limited to all scenario that above-mentioned formula is likely to occur.
Further, as shown in fig. 6, the slot 12 is distributed in the thicker position in segmental arc end, the slot is set as
Import is small, internal big structure, and in forming process, molten plastic passes through slot 12 and forms back-off 22.In the program, in order to ensure to expect energy
It is expressed in slot 12 and forms back-off 22, import 12a is small, internal big, and main feed direction is put parallel as possible with binding face normal direction；In order to
Ensure exhaust, design porosity characteristics 12b.
Further, as shown in fig. 7, the ripple struction is distributed in flat segments end i.e. position of bottleneck, in forming process,
Plastic inner lining 2 forms circumferential position limiting sealed ripple 23,23' after blowing, and each ripple section joins end to end after being rotated by 360 °, head and the tail
Connected ripple carries out array along the axial position of bottleneck.It is strong for enhancing bottle mouth position metal termination 1 and the connection of plastic inner lining 2
Degree increases the leakage path of compressed gas, and using ripple struction 13,13 ', plastic inner lining 2 forms spy to metal termination 1 after blow-moulding
Levy 23,23'.The single ripple cross section structure is not limited to that rectangle (13a length be equal to 13b length), (13a ' length is big for isosceles trapezoid
In 13b ' length), it is limited to join end to end after each section is rotated by 360 °, end to end ripple is carried out along the axial position of bottleneck
Array.
Further, as shown in figure 8, the polymorphic structure 14 is distributed in flat segments end i.e. position of bottleneck, to ensure bottle
Mouth position can bear big torque.Having special-shaped geometric properties 14a in metal termination 1 prevents radial rotating, and this feature is unlimited
In schematic diagram shown in figure.In order to ensure the installation of sealing ring, there may be other features on special-shaped geometric properties, such as
Pre-install slot 15.The program considers the assembling of bottle-jack valve, arranges sealing ring on the whole, it is possible to reduce sealing ring dosage.
Plastic inner lining is connect at the time of molding, by it with metal inner lining, is squeezed into plastics in metal termination by structures such as hole, slot, ripples
Bonding strength is improved, reduces process, reduces the requirements such as high-pressure bottle structure and size, performance, technique, reduces exploitation manufacture
Cost.The path of compressed gas escape is increased in structure, and is sealed on escape paths using sealing ring, effectively the row of reduction
It puts, improves the security performance of product.
Embodiment 2：Referring to Fig. 9, a kind of sealing device of high-pressure composite containers plastic inner container, the sealing structure is closed by aluminium
Gold or the metal termination 1 of stainless steel, the plastic inner lining 2 of single-layer or multi-layer material, fiber and resin composition composite bed 3, elasticity
Body rubber sealing ring 4 and bottle-jack valve 5 form, and the metal termination 1 is wrapped up by plastic inner lining 2, and are strengthened by strengthening part
Connection, composite bed 3 carry out wrapping up plastic inner lining 2 by way of winding, in the pre-installation of sealing ring 4 and plastic inner lining 2,
Metal termination 1, plastic inner lining 2 squeeze mounted sealing ring 4, and bottle-jack valve 5 is connected with metal termination 1 by metal threaded
It connects, forms sealing.Sealing structure 10 as shown in Figure 9, relative to embodiment 1, the program is connected using external screw thread, close
Envelope is happened at plastic inner lining with that in metal termination, can save 1 sealing ring 4, while eliminate sealing gasket 6.In the program
The strengthening part is set as one or more in the structures such as hole, slot, ripple, wherein being chatted about the characteristics of hole, slot, ripple
State same embodiment 1.
Embodiment 3：Referring to Figure 10, a kind of sealing device of high-pressure composite containers plastic inner container, the sealing structure is by aluminium
The metal termination 1 of alloy or stainless steel, the plastic inner lining 2 with sealing characteristics, fiber and resin composition composite bed 3, elasticity
Body rubber sealing ring 4 and bottle-jack valve 5 form, and metal termination 1 is strengthened connecting by plastic inner lining 2 by strengthening part；Composite bed 3
It carries out wrapping up plastic inner lining 2 by way of winding, in the pre-installation of sealing ring 4 and plastic inner lining 2, metal termination 1, modeling
Material liner 2 squeezes mounted sealing ring 4, and bottle-jack valve 5 is attached with metal termination 1 by metal threaded, forms sealing, institute
State the one or several kinds in the hole, slot, ripple struction, card slot, slotted hole structure that strengthening part is provided in metal termination, institute
It is circumferentially disposed in position of bottleneck to state card slot 16, in blowing, is connected by the mode card slot 16 and plastic inner lining 2 of material extrusion
It connects；The slotted hole structure is circumferentially disposed in position of bottleneck, in blowing, by the mode slotted hole structure 17 of material extrusion along dotted line
Direction 17a enters.Sealing structure as shown in Figure 10 relative to embodiment 1, for embodiment 2, employs separately in position of bottleneck
A kind of outer connection structure is ensured to bear the ability of torque by card slot 16, metal termination 1 and plastics is realized by slotted hole structure 17
The connection of liner 2 ensures sealing.Card slot 16 shown in Figure 11, it is circumferentially disposed.In blowing, pass through the mode card slot of material extrusion
16 are attached with plastic inner lining 2, in the conceived case, feature 16a, 16b can be formed in metal termination 1 so that bottle
Mouth position connects more reliable.Slotted hole structure as shown in figure 12, the structure are circumferentially disposed, in blowing, pass through material extrusion
Mode cause slotted hole structure 17 along dotted line direction 17a enter.The structure forms the limitation connection of radial direction, and it is strong to improve connection
Degree, enhancing sealing.
Strengthening part described in the program is set as one or more in the structures such as hole, slot, ripple, wherein about
The characteristics of hole, slot, ripple, is described with embodiment 1.
In said program, metal termination is placed on mold or other support elements, mould by plastic inner lining in blow molding
When tool is closed, molten plastic coated metal end, partial melting plastics are squeezed the hole into end, slot etc., realize connection.To ensure
The consistency of stress, hole, slot are circumferential symmetrical.In integral arrangement, proximal edge is leaned in hole, and slot is arranged in metal termination thickness ratio
Larger place.
Hole has 2 kinds：A kind of metal termination and liner binding face (hreinafter referred to as binding face) are reference, opening direction with
Binding face normal direction is parallel as possible, conducive to squeezing into for material；Bore dia from large to small, to after certain thickness, then becomes larger, conducive to that can be formed
Back-off structure；Another equal diameter through-hole is generally used for not realizing the position that front is a kind of, such as weak area or row on side
Stomata.
The feature of slot is as follows：As reference, the normal direction of channel opening is parallel as possible with the normal direction of binding face, open-mouth ruler for binding face
It is very little to be less than internal by etched-off area size, form back-off structure conducive to molten plastic；In order to ensure the consolidation of filling plastic in slot
Degree can open aperture for being vented on slot.
There is the ripple glaze (generally in position of bottleneck) being connected between metal termination and plastic inner lining, the structure that canine tooth interlocks is advantageous
In the intensity of faying face, the path of compressed gas leakage is effectively increased.The section of single ripple glaze can be rectangle, it is trapezoidal, three
It is angular etc..Have between ripple glaze in bottleneck axial position array, spacing considers metal termination difficulty of processing and plastics extrusion forming
Technique.
Sealing ring is disposed in the leakage path of compressed gas, obstructs the gas revealed from liner, is eliminated because of size public affairs
Gap caused by difference devises different schemes for different connections.
In practical application process, because the difference of the medium of storage, pressure, not necessarily all measure are required for using.
It should be noted that above-described embodiment, is not used for limiting protection scope of the present invention, in above-mentioned technical proposal
On the basis of made equivalents or replacement each fall within the range that the claims in the present invention are protected.
Claims (10)
1. a kind of sealing device of high-pressure composite containers plastic inner container, which is characterized in that the sealing device is by aluminium alloy or not
Become rusty the metal termination of steel, the plastic inner lining of single-layer or multi-layer material, fiber and resin composition composite bed, elastomer rubber seal
The sealing gasket composition of circle, bottle-jack valve and metal, the metal termination is wrapped up by plastic inner lining, and is strengthened by strengthening part
Connection, two sealing rings are separately mounted on metal termination and plastic inner lining；Sealing gasket is squeezed with metal termination, plastic inner lining
Sealing ring, composite bed carry out wrapping up sealing gasket, plastic inner lining by way of winding, and bottle-jack valve leads to metal termination
Cross it is metal threaded be attached, ultimately form sealing structure.
2. the sealing device of high-pressure composite containers plastic inner container according to claim 1, which is characterized in that the rib
Part is provided in one or more of hole in metal termination, slot, ripple struction, polymorphic structure strengthening part.
3. the sealing device of high-pressure composite containers plastic inner container according to claim 2, which is characterized in that the metal end
Head includes flat segments and segmental arc, and the thickness of the segmental arc end from inside to outside is gradually thinning, and the hole, slot are arranged on arc
Duan Duantou, ripple struction are arranged on flat segments end.
4. the sealing device of high-pressure composite containers plastic inner container according to claim 2, which is characterized in that the hole (11)
Segmental arc end outermost is distributed in, the relatively thin position of wall thickness, the axial direction in hole is vertical as possible with binding face, in forming process, melts
Melt plastics to be pressed against smallest cross-sectional (11b) by hole (11) and formed back-off structure (21).
5. the sealing device of high-pressure composite containers plastic inner container according to claim 2, which is characterized in that the slot (12)
It is distributed in the thicker position in segmental arc end, the slot is set as that import is small, internal big structure, in forming process, melting modeling
Material forms back-off (22) by slot (12).
6. the sealing device of high-pressure composite containers plastic inner container according to claim 2, which is characterized in that the ripple knot
Structure is distributed in flat segments end i.e. position of bottleneck, and in forming process, plastic inner lining (2) forms circumferential position limiting sealed ripple after blowing
(23,23')。
7. the sealing device of high-pressure composite containers plastic inner container according to claim 2, which is characterized in that the abnormity knot
Structure 14 is distributed in flat segments end i.e. position of bottleneck.
8. a kind of sealing device of high-pressure composite containers plastic inner container, which is characterized in that the sealing structure is by aluminium alloy or not
Become rusty the metal termination of steel, the plastic inner lining of single-layer or multi-layer material, fiber and resin composition composite bed, elastomer rubber seal
Circle and bottle-jack valve composition, the metal termination are wrapped up, and strengthen connecting by strengthening part by plastic inner lining, and composite bed passes through
The mode of winding plastic inner lining is wrapped up, and in sealing ring pre-installation and plastic inner lining, metal termination, plastic inner lining squeeze
Pressure seal ring, bottle-jack valve are attached with metal termination by metal threaded, form sealing.
9. a kind of sealing device of high-pressure composite containers plastic inner container, which is characterized in that the sealing structure is by aluminium alloy or not
Become rusty composite bed, the elastomer rubber sealing ring that metal termination, the plastic inner lining with sealing characteristics, fiber and the resin of steel form
And bottle-jack valve composition, metal termination by plastic inner lining by strengthening part strengthen connect, composite bed by way of winding into
Row wraps up plastic inner lining, in sealing ring pre-installation and plastic inner lining, metal termination, plastic inner lining crush seal circle, and bottle
Mouth valve is attached with metal termination by metal threaded, forms sealing.
10. the sealing device of high-pressure composite containers plastic inner container according to claim 9, which is characterized in that the reinforcement
Component is provided in the one or several kinds in the hole in metal termination, slot, ripple struction, card slot, slotted hole structure, the card slot
It is circumferentially disposed in position of bottleneck, in blowing, be attached by mode card slot and the plastic inner lining of material extrusion；The slot
Structure circumferential direction is arranged in position of bottleneck, in blowing, is entered by the mode slotted hole structure of material extrusion.
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| CN2017114943921 | 2017-12-31 | ||
| CN201711494392 | 2017-12-31 |
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| CN108131554B CN108131554B (en) | 2023-06-30 |
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| CN201810021202.2A Active CN108131554B (en) | 2017-12-31 | 2018-01-10 | Sealing device for plastic liner of high-pressure composite container |
| CN201820036229.4U Active CN208546740U (en) | 2017-12-31 | 2018-01-10 | A kind of sealing device of high-pressure composite containers plastic inner container |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145681A (en) * | 2019-05-24 | 2019-08-20 | 江苏国富氢能技术装备有限公司 | A kind of plastic inner container winds composite cylinder entirely |
| CN111963890A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | High-pressure composite container |
| CN111963892A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | Sealing structure of plastic liner high-pressure composite container |
| CN111963891A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | Plastic inner container of high-pressure composite container |
| CN113280256A (en) * | 2020-02-20 | 2021-08-20 | 麦格纳能源储存系统公司 | High pressure vessel |
| CN117307945A (en) * | 2023-11-28 | 2023-12-29 | 安顺集团建设有限公司 | Pressure vessel for storing natural gas |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108131554B (en) * | 2017-12-31 | 2023-06-30 | 亚普汽车部件股份有限公司 | Sealing device for plastic liner of high-pressure composite container |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219387A (en) * | 1995-02-15 | 1996-08-30 | Toray Ind Inc | Gas cylinder |
| JPH10231997A (en) * | 1997-02-18 | 1998-09-02 | Toyoda Gosei Co Ltd | Pressure vessel and its manufacture |
| JPH1113995A (en) * | 1997-06-23 | 1999-01-22 | Kobe Steel Ltd | Socket structure of pressure container of plastic liner frp(fiber reinforced plastics) |
| KR20030041002A (en) * | 2001-11-19 | 2003-05-23 | 이중희 | Sealed metal nozzle for high pressure vessel and setting method of metal nozzle in the plastic vessel |
| CN1926376A (en) * | 2004-03-11 | 2007-03-07 | 株式会社韩国复合材料研究所 | The high gas-tighten metallic nozzle-boss for the high pressure composite vessel |
| US20080111322A1 (en) * | 2005-02-02 | 2008-05-15 | Toyota Jidosha Kabushiki Kaisha | Seal Structure of High-Pressure Tank |
| DE102009014057A1 (en) * | 2009-03-20 | 2010-09-23 | Daimler Ag | Pressure vessel for storing hydrogen gas for driving land-based motor vehicle, has liner made of plastic, and flange cooperating with support ring at wall, where section of outer circumference of flange is conical |
| JP2011102614A (en) * | 2009-11-11 | 2011-05-26 | Yachiyo Industry Co Ltd | Sealing structure of pressure vessel |
| KR20110123429A (en) * | 2010-05-07 | 2011-11-15 | 일진컴포지트 주식회사 | Double nozzle-boss for the plastic liner of high pressure vessel |
| US8881932B1 (en) * | 2013-06-25 | 2014-11-11 | Quantum Fuel Systems Technology Worldwide, Inc. | Adapterless closure assembly for composite pressure vessels |
| JP2015132307A (en) * | 2014-01-10 | 2015-07-23 | 株式会社Fts | Mouthpiece structure of pressure container |
| DE102014009342A1 (en) * | 2014-06-27 | 2015-12-31 | Kautex Textron Gmbh & Co. Kg | pressure vessel |
| US20160123538A1 (en) * | 2013-06-06 | 2016-05-05 | Yachiyo Industry Co., Ltd. | Pressure container |
| KR101731960B1 (en) * | 2016-07-21 | 2017-05-04 | (주)동희산업 | High pressure vessel for vehicle |
| CN106870932A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of metal bottleneck structure and composite cylinder |
| CN107300126A (en) * | 2017-08-11 | 2017-10-27 | 天津安易达复合气瓶有限公司 | A kind of end valve seat of nonmetallic inner container composite cylinder |
| CN208546740U (en) * | 2017-12-31 | 2019-02-26 | 亚普汽车部件股份有限公司 | A kind of sealing device of high-pressure composite containers plastic inner container |
-
2018
- 2018-01-10 CN CN201810021202.2A patent/CN108131554B/en active Active
- 2018-01-10 CN CN201820036229.4U patent/CN208546740U/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08219387A (en) * | 1995-02-15 | 1996-08-30 | Toray Ind Inc | Gas cylinder |
| JPH10231997A (en) * | 1997-02-18 | 1998-09-02 | Toyoda Gosei Co Ltd | Pressure vessel and its manufacture |
| JPH1113995A (en) * | 1997-06-23 | 1999-01-22 | Kobe Steel Ltd | Socket structure of pressure container of plastic liner frp(fiber reinforced plastics) |
| KR20030041002A (en) * | 2001-11-19 | 2003-05-23 | 이중희 | Sealed metal nozzle for high pressure vessel and setting method of metal nozzle in the plastic vessel |
| CN1926376A (en) * | 2004-03-11 | 2007-03-07 | 株式会社韩国复合材料研究所 | The high gas-tighten metallic nozzle-boss for the high pressure composite vessel |
| US20080111322A1 (en) * | 2005-02-02 | 2008-05-15 | Toyota Jidosha Kabushiki Kaisha | Seal Structure of High-Pressure Tank |
| DE102009014057A1 (en) * | 2009-03-20 | 2010-09-23 | Daimler Ag | Pressure vessel for storing hydrogen gas for driving land-based motor vehicle, has liner made of plastic, and flange cooperating with support ring at wall, where section of outer circumference of flange is conical |
| JP2011102614A (en) * | 2009-11-11 | 2011-05-26 | Yachiyo Industry Co Ltd | Sealing structure of pressure vessel |
| KR20110123429A (en) * | 2010-05-07 | 2011-11-15 | 일진컴포지트 주식회사 | Double nozzle-boss for the plastic liner of high pressure vessel |
| US20160123538A1 (en) * | 2013-06-06 | 2016-05-05 | Yachiyo Industry Co., Ltd. | Pressure container |
| US8881932B1 (en) * | 2013-06-25 | 2014-11-11 | Quantum Fuel Systems Technology Worldwide, Inc. | Adapterless closure assembly for composite pressure vessels |
| JP2015132307A (en) * | 2014-01-10 | 2015-07-23 | 株式会社Fts | Mouthpiece structure of pressure container |
| DE102014009342A1 (en) * | 2014-06-27 | 2015-12-31 | Kautex Textron Gmbh & Co. Kg | pressure vessel |
| KR101731960B1 (en) * | 2016-07-21 | 2017-05-04 | (주)동희산업 | High pressure vessel for vehicle |
| CN106870932A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of metal bottleneck structure and composite cylinder |
| CN107300126A (en) * | 2017-08-11 | 2017-10-27 | 天津安易达复合气瓶有限公司 | A kind of end valve seat of nonmetallic inner container composite cylinder |
| CN208546740U (en) * | 2017-12-31 | 2019-02-26 | 亚普汽车部件股份有限公司 | A kind of sealing device of high-pressure composite containers plastic inner container |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145681A (en) * | 2019-05-24 | 2019-08-20 | 江苏国富氢能技术装备有限公司 | A kind of plastic inner container winds composite cylinder entirely |
| CN110145681B (en) * | 2019-05-24 | 2024-05-07 | 江苏国富氢能技术装备股份有限公司 | Plastic liner full-winding composite gas cylinder |
| CN113280256A (en) * | 2020-02-20 | 2021-08-20 | 麦格纳能源储存系统公司 | High pressure vessel |
| US11598482B2 (en) | 2020-02-20 | 2023-03-07 | Magna Energy Storage Systems Gesmbh | High-pressure vessel |
| CN111963890A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | High-pressure composite container |
| CN111963892A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | Sealing structure of plastic liner high-pressure composite container |
| CN111963891A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | Plastic inner container of high-pressure composite container |
| CN111963891B (en) * | 2020-08-28 | 2022-07-12 | 亚普汽车部件股份有限公司 | Plastic inner container of high-pressure composite container |
| CN117307945A (en) * | 2023-11-28 | 2023-12-29 | 安顺集团建设有限公司 | Pressure vessel for storing natural gas |
| CN117307945B (en) * | 2023-11-28 | 2024-03-08 | 安顺集团建设有限公司 | Pressure vessel for storing natural gas |
Also Published As
| Publication number | Publication date |
|---|---|
| CN208546740U (en) | 2019-02-26 |
| CN108131554B (en) | 2023-06-30 |
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