CN109027675A - With sealing structure high-pressure composite containers - Google Patents

With sealing structure high-pressure composite containers Download PDF

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Publication number
CN109027675A
CN109027675A CN201810885168.3A CN201810885168A CN109027675A CN 109027675 A CN109027675 A CN 109027675A CN 201810885168 A CN201810885168 A CN 201810885168A CN 109027675 A CN109027675 A CN 109027675A
Authority
CN
China
Prior art keywords
ring
liner
sealing structure
semi
composite containers
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.)
Granted
Application number
CN201810885168.3A
Other languages
Chinese (zh)
Other versions
CN109027675B (en
Inventor
姜林
刘亮
吕昊
翁益明
苏卫东
王安玉
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.)
Yapp Automotive Parts Co Ltd
Original Assignee
Yapp Automotive Parts Co Ltd
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 Yapp Automotive Parts Co Ltd filed Critical Yapp Automotive Parts Co Ltd
Priority to CN201810885168.3A priority Critical patent/CN109027675B/en
Publication of CN109027675A publication Critical patent/CN109027675A/en
Application granted granted Critical
Publication of CN109027675B publication Critical patent/CN109027675B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/06Closures, e.g. cap, breakable member
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C13/00Details of vessels or of the filling or discharging of vessels
    • F17C13/002Details of vessels or of the filling or discharging of vessels for vessels under pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/01Shape
    • F17C2201/0104Shape cylindrical
    • F17C2201/0109Shape cylindrical with exteriorly curved end-piece
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/03Orientation
    • F17C2201/032Orientation with substantially vertical main axis
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2201/00Vessel construction, in particular geometry, arrangement or size
    • F17C2201/05Size
    • F17C2201/056Small (<1 m3)
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2203/00Vessel construction, in particular walls or details thereof
    • F17C2203/06Materials for walls or layers thereof; Properties or structures of walls or their materials
    • F17C2203/0602Wall structures; Special features thereof
    • F17C2203/0604Liners
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0305Bosses, e.g. boss collars
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2205/00Vessel construction, in particular mounting arrangements, attachments or identifications means
    • F17C2205/03Fluid connections, filters, valves, closure means or other attachments
    • F17C2205/0302Fittings, valves, filters, or components in connection with the gas storage device
    • F17C2205/0311Closure means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2221/00Handled fluid, in particular type of fluid
    • F17C2221/03Mixtures
    • F17C2221/032Hydrocarbons
    • F17C2221/033Methane, e.g. natural gas, CNG, LNG, GNL, GNC, PLNG
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2223/00Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel
    • F17C2223/01Handled fluid before transfer, i.e. state of fluid when stored in the vessel or before transfer from the vessel characterised by the phase
    • F17C2223/0107Single phase
    • F17C2223/0123Single phase gaseous, e.g. CNG, GNC
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F17STORING OR DISTRIBUTING GASES OR LIQUIDS
    • F17CVESSELS 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
    • F17C2270/00Applications
    • F17C2270/01Applications for fluid transport or storage
    • F17C2270/0165Applications for fluid transport or storage on the road
    • F17C2270/0168Applications for fluid transport or storage on the road by vehicles
    • F17C2270/0178Cars

Abstract

The invention discloses a kind of high-pressure composite containers with sealing structure comprising shell, support liner, end, bottle-jack valve and enhancement layer;Wherein, bottleneck is provided on shell, support liner is connected on bottleneck outer ring, and bottle-jack valve fixation is threaded through in end, and enhancement layer is wrapped on shell.Provided by the present invention for the sealing structure of high-pressure composite containers, pass through the cooperation of end and support liner and bottleneck, support liner and bottleneck can be wrapped in mounting groove, thereby enhance the leakproofness of structure, extend the cooperation interface between end and shell, namely the leakage paths of gas are extended, the leakage or infiltration of container mesohigh gas are effectively prevented, ensure that the sealing effect of container.

Description

With sealing structure high-pressure composite containers
Technical field
The present invention relates to a kind of clad vessel more particularly to a kind of high-pressure composite containers with sealing structure.
Background technique
Most of taxi repacking compressed natural gas (CNG) to be instead of the operating pressure of fuel oil, general CNG high pressure gas cylinder 20MPa;Some vehicles producer has promoted CNG or the CNG vehicle mixed with fuel oil, such as Audi, general.Using hydrogen Medium battery car is also current hot spot, and the operating pressure of hydrogen storage high pressure gas cylinder is generally 35MPa, 70MPa, and 70MPa IV type bottle (high-pressure plastic liner clad vessel) is current research and development focus.In addition to automobile-used, high pressure gas cylinder is also obtained in other field Partial liquefaction oil gas to sufficient application, such as Europe uses plastic inner container clad vessel (operating pressure 2MPa).Largely High-pressure bottle be used widely in daily life, that there are weight is bigger than normal for traditional pure metal or metal inner lining clad vessel The problem of, it is not easy to transport;And storage pressure is higher, metallo-plastic liner production technology is more complicated, and cost is higher, and there is also high Press the risk of gas attack.In order to meet light-weighted requirement, high-pressure plastic liner clad vessel is generated, because of the spy of plastics Property, such product has the superior functions such as corrosion-resistant, endurance, light-weight.Relative to pure metal or metal inner lining clad vessel, The guarantee of the leakproofness of high-pressure plastic liner clad vessel is more harsh, and main cause is plastic inner container shell and metal termination Material is different, and in use process repeatedly, plastic inner container is connect with metal termination to be loosened, sealing performance decline.
In view of status, the hot spot and difficult point of metal termination and plastic inner container connected into for research.Fig. 1 is the prior art In high-pressure plastic liner clad vessel schematic diagram comprising metal termination 1, plastic inner container 2 and enhancement layer 3, metal termination 1 It is mounted on plastic inner container 2, is wound is wrapped to form by enhancement layer 3 later.Fig. 2 is that high-pressure plastic liner shown in Fig. 1 is multiple The sealing structure in container is closed, as depicted in figs. 1 and 2, the big face contact of metal termination 1 and plastic inner container 2 is not in technique It is feasible, even if feasible cost is also high;The sealing structure does not consider the limit on metal termination 1 and 2 axis of plastic inner container Position;The structure does not consider the internal pressure changing pressurising of plastic inner container 2 when winding, will lead to metal termination 1 and plastic inner container 2 Junction generates gap and causes to leak, leakage path 4 as shown by the arrows in Figure 2;The structure does not consider that bottleneck bears installation and turns round Limit when square causes metal termination 1 and the bond strength of enhancement layer 3 to reduce after installation;The escape of compressed gas in the structure Path P is shorter, will increase the risk of compressed gas escape, especially micro-molecular gas CNG, hydrogen, helium etc..Therefore, it studies A kind of sealing structure being able to solve the above problem is very necessary.
Summary of the invention
The object of the present invention is to provide a kind of high-pressure composite containers with sealing structure, with solve it is above-mentioned in the prior art The problem of, the leakage and infiltration of high-pressure composite containers mesohigh gas medium are prevented, guarantees the leakproofness of container.
The present invention provides a kind of high-pressure composite containers with sealing structure, wherein includes:
Shell is provided with bottleneck on the shell;
It is connected to the support liner of the bottleneck outer ring;
End, card slot is provided on the end, and the end is connected to the outer of the support liner by the card slot Circle;
Bottle-jack valve, the bottle-jack valve fixation are threaded through in the end;
Enhancement layer, package is on the housing.
The high-pressure composite containers with sealing structure as described above, wherein preferably, the support liner includes the One semi-ring liner and the second semi-ring liner, the support liner are fixed by the first semi-ring liner and the second semi-ring liner It is formed after fastening.
High-pressure composite containers as described above with sealing structure, wherein preferably, lining in first semi-ring Two end faces on be respectively arranged with the first protrusion and the first groove, set respectively on two end faces of lining in second semi-ring Be equipped with second protrusion and the second groove, it is described first protrusion with second groove be engaged by clamping, it is described second protrusion with it is described First groove is engaged by clamping.
The high-pressure composite containers with sealing structure as described above, wherein preferably, the first semi-ring liner and Retention bead is provided on the inner ring of the second semi-ring liner;
Card slot is provided on the side wall of the bottleneck, the retention bead and the card slot are engaged by clamping.
High-pressure composite containers as described above with sealing structure, wherein preferably, the end includes fixed part And mounting portion, the fixation hole are arranged in the fixed part, the mounting groove is arranged in the mounting portion;
The fixed part includes fixed section and guide section, forms limited step between the mounting groove and the guide section Face;
Be provided with flange on the bottleneck, the flange extends to the direction far from the bottleneck axis, the flange with Clamping space is provided between the shell, the support liner is fixed in the clamping space;
The limiting stand terrace is abutted with the flange.
High-pressure composite containers as described above with sealing structure, wherein preferably, set on the limiting stand terrace It is equipped with limit stop ring, the limit stop ring extends to the direction far from the fixed part, and the limit stop ring and the installation Distance is maintained between the side wall of slot.
High-pressure composite containers as described above with sealing structure, wherein it further include sealing ring preferably, it is described The annular groove that the sealing ring is set for card is provided on limiting stand terrace.
High-pressure composite containers as described above with sealing structure, wherein preferably, be provided on the mounting portion Arc-shaped transition section.
The high-pressure composite containers with sealing structure as described above, wherein preferably, the shell be including at least Two layers or more of layer structure.
High-pressure composite containers as described above with sealing structure, wherein preferably, the material of the shell is The combination of one or more of PA, PE, polyester, PP, POM and EVOH.
Provided by the present invention for the sealing structure of high-pressure composite containers, pass through matching for end and support liner and bottleneck It closes, support liner and bottleneck can be wrapped in mounting groove, thereby enhance the leakproofness of structure, extend end and shell Between cooperation interface, namely extend the leakage paths of gas, effectively prevent the leakage or infiltration of container mesohigh gas, It ensure that the sealing effect of container.
Detailed description of the invention
Specific embodiments of the present invention will be described in further detail with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of high-pressure plastic liner clad vessel in the prior art;
Fig. 2 is the sealing structure in high-pressure plastic liner clad vessel shown in Fig. 1;
Fig. 3 is the structural schematic diagram of the high-pressure composite containers provided in an embodiment of the present invention with sealing structure;
Fig. 4 is the cross-sectional view of the high-pressure composite containers provided in an embodiment of the present invention with sealing structure;
Fig. 5 is the cross-sectional view of shell;
Fig. 6 is the partial enlarged view of Fig. 4;
Fig. 7 is that the cross-sectional view after bottle-jack valve is removed in Fig. 6;
Fig. 8 is that liner is supported to be assemblied in the explosive view on high-pressure composite containers;
Fig. 9 is the cross-sectional view of end.
Description of symbols:
1- metal termination 2- plastic inner container 3- enhancement layer
4- leakage path
The end 100- 110- fixed part 111- fixed section
112- guide section 120- mounting portion 121- arc-shaped transition section
122- mounting groove 123- limiting stand terrace 130- fixation hole
140- limit stop ring 200- supports the first semi-ring of liner 210- liner
211- the first protrusion 212- the first groove 213- retention bead
220- the second semi-ring liner 300- shell 310- bottleneck
311- flange 400- bottle-jack valve 500- enhancement layer
A- sealing ring b- sealing ring
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached The embodiment of figure description is exemplary, and for explaining only the invention, and is not construed as limiting the claims.
Referring to Fig. 3 to Fig. 7, the embodiment of the invention provides a kind of high-pressure composite containers comprising shell 300, Support liner 200, end 100, bottle-jack valve 400 and enhancement layer 500;Wherein, it is provided with bottleneck 310 on shell 300, supports liner 200 are connected on 310 outer ring of bottleneck, and mounting groove 122 is provided on end 100, and end 100 is connected to branch by mounting groove 122 Support the outer ring of liner 200;The fixation of bottle-jack valve 400 is threaded through in end 100, and enhancement layer 500 is wrapped on shell 300, wherein is added The material of strong layer 500 can be fibrous composite.
Wherein, the space that support liner 200 can be set is provided on bottleneck 310, while by end 100 and support Support liner 200 and bottleneck 310 can be wrapped in mounting groove 122, thereby enhance knot by the cooperation of lining 200 and bottleneck 310 The leakproofness of structure extends the cooperation interface between end 100 and shell 300, namely extends the leakage paths of gas, effectively The leakage or infiltration for preventing container mesohigh gas, ensure that the sealing effect of container.
Wherein, shell 300 is plastic material, is obtained by blow molding or roll moulding shaping technology.According to different bearer high pressure gas The molecular weight Penetration Signature of body can use the shell 300 of layer structure, to prevent the infiltration of such as hydrogen molecule micro-molecular gas Thoroughly, guarantee leakproofness when storing to gas with various, in the present embodiment, shell 300 can be for including at least two layers or more Layer structure.Wherein, the material of shell 300 can be one or more of PA, PE, polyester, PP, POM and EVOH Combination.That is, every layer of layer structure may each be single above-mentioned material, it is also possible to the group of two or more materials It closes.
It should be noted that the outer spiral shell being threadedly coupled with mounting groove 122 can be set on the outer ring of support liner 200 Line, after supporting liner 200 to be assembled on bottleneck 310, end 100 can be by supporting external screw thread and support on liner 200 Liner 200 is fixedly connected, and is fixed to realize to the assembly of end 100, while ensure that the fixed reliability in end 100.
Wherein, in order to guarantee that liner 200 is supported to have certain support strength, supporting the material of liner 200 can be gold Belong to material, such as aluminium alloy, stainless steel etc.;Or be the plastic material with some strength, specifically, support liner 200 Material can be one of POM, PA, PE, PP.
It is understood that the gas in container has biggish pressure, bottleneck 310 can be occurred by the effect of air pressure for a long time Micro deformation, this deformation can be transmitted on support liner 200, lead to support between liner 200 and bottleneck 310 generating unevenly Cooperation interface, easily occur gas leakage;If liner 200 is supported to be integrally formed onto bottleneck 310, if bottleneck 310 or support Liner 200 deforms, and is just difficult to carry out cutting disassembly to support liner 200, while can not also repair bottleneck 310, Even the entirety of high-pressure composite containers is caused to scrap.In order to solve this problem, in the present embodiment, as shown in figure 8, support liner 200 may include the first semi-ring liner 210 and the second semi-ring liner 220, and support liner 200 is by the first semi-ring liner 210 and the It is formed after the fixed fastening of two semi-ring liners 220, it is thus achieved that the disassembling, assembling and replacing of support liner 200.
Wherein, it can be realized by gluing on the cooperation interface between the first semi-ring liner 210 and the second semi-ring liner 220 The two is fastened, but is also easily caused on the component being accidentally applied to glue other than cooperation interface when gluing, has stained container, separately Outside, the first semi-ring liner 210 and the second semi-ring liner 220 that glue is honored as a queen also are not readily separated, and cause disassembly inconvenient.Therefore, at this In embodiment, it can be respectively arranged with the first protrusion and the first groove on two end faces on the first semi-ring liner 210, the second half The second protrusion and the second groove, the first protrusion and the second groove card can be respectively arranged on two end faces on ring liner 220 Cooperation is connect, the second protrusion is engaged by clamping with the first groove;As a result, by the clamping engagement of corresponding protrusion and groove, facilitate The dismounting of first semi-ring liner 210 and the second semi-ring liner 220, while it is also ensured that the first semi-ring liner 210 and the second half The compactedness that ring liner 220 cooperates.
And the first semi-ring liner 210 and the second semi-ring liner 220 rotate in the circumferential direction of bottleneck 310 in order to prevent, the Retention bead can be set on the inner ring of one semi-ring liner 210 and the second semi-ring liner 220, and can have been set on bottleneck 310 It is equipped with the card slot with retention bead cooperation, after the first semi-ring liner 210 and the second semi-ring liner 220 are installed, limit convex It rises in the card slot that can be snapped fit on bottleneck 310, so as to realize to the first semi-ring liner 210 and the second semi-ring liner 220 Installation positioning, prevent from rotating.
Specifically, being provided in fixed part 110 as shown in figure 9, end 100 includes fixed part 110 and mounting portion 120 For fixing the fixation hole 130 of bottle-jack valve 400, mounting groove 122 is arranged in mounting portion 120;Fixed part 110 includes fixed section 111 and guide section 112, the internal diameter of guide section 112 be respectively smaller than the internal diameter of fixed section 111 and the internal diameter of mounting groove 122, fixed section 111, guide section 112 and mounting groove 122 are sequentially communicated, and limiting stand terrace 123 is formed between mounting groove 122 and guide section 112.Its In, flange 311 is provided on bottleneck 310, flange 311 extends to the direction far from 310 axis of bottleneck, flange 311 and shell 300 Between be provided with clamping space, support liner 200 be fixed at clamping space in, limiting stand terrace 123 is supported with flange 311 It connects.As shown in fig. 6, limited step face 123 can be made to abut on the flange 311 of bottleneck 310, thus when assembling end 100 The installation limit of end 100 in the axial direction is realized, while support liner 200 and flange 311 can be wrapped in mounting groove In 122, so that the leakage paths of high pressure gas in container is become tortuous, leakage paths are also extended, to effectively prevent gas Leakage and infiltration.In addition, bottle-jack valve 400 can be interior by this as shown in fig. 6, internal screw thread can be set on fixed section 111 Screw thread is fixedly connected with fixed section 111;Wherein, in order to guarantee the leakproofness after cooperating between bottle-jack valve 400 and end 100, such as Shown in Fig. 6, sealing ring a is provided on the end face of fixed section 111.
It should be noted that shell 300 generally uses plastic material, when being influenced by low temperature environment, 300 meeting of plastic casing It shrinks inwardly, causes bottleneck 310 to narrow deformation, in order to avoid the problem, in the present embodiment, as shown in figure 9, limited step Limit stop ring 140 can be set on face 123, limit stop ring 140 extends to the direction far from fixed part 110, and limit stop ring Distance is maintained between 140 and the side wall of mounting groove 122;After installing end 100, limit stop ring 140 can be fastened on bottleneck The inside of 310 inner holes, so as to limit 310 contraction distortion of bottleneck.
Further, it in order to guarantee limiting stand terrace 123 and support the leakproofness for cooperating interface between liner 200, limits Annular groove can be set on step surface 123, so that sealing ring b is fastened in the annular groove.Wherein, sealing ring b can be set There are two setting, when bottle-jack valve 400 and end 100 are threadedly coupled after tightening, two sealing ring b could be formed with effect compression, be formed Effective seal interface is constituted between excellent metal termination 100 and bottle-jack valve 400 with preventing gas medium from leaking and infiltration Sealing performance.Wherein, the diameter of sealing ring b can be 2mm~4mm, and decrement can be 20%~30%.
Further, as shown in Fig. 6,7,9, arc-shaped transition section 121 is provided on mounting portion 120, the arc-shaped transition section 121 Lower surface can be fitted closely with shell 300, and the upper surface of arc-shaped transition section 121 be arc, so as to shell 300 On cambered surface dock to form complete radian transition, so that enhancement layer 500 is closely pasted with shell 300 and mounting portion 120 simultaneously It closes, ensure that the compactedness of structure, while end 100 and support liner 200 can be made to be able to bear pressure inside higher container Power avoids it from deforming, fly out etc. and destroys.
Sealing structure provided in an embodiment of the present invention for high-pressure composite containers passes through end and support liner and bottleneck Cooperation, can will support liner and bottleneck be wrapped in mounting groove, thereby enhance the leakproofness of structure, extend end with Cooperation interface between shell, namely extend the leakage paths of gas, effectively prevent container mesohigh gas leakage or Infiltration, ensure that the sealing effect of container.
Structure, feature and effect of the invention, the above institute are described in detail based on the embodiments shown in the drawings Only presently preferred embodiments of the present invention is stated, but the present invention does not limit the scope of implementation as shown in the drawings, it is all according to structure of the invention Think made change or equivalent example modified to equivalent change, when not going beyond the spirit of the description and the drawings, It should all be within the scope of the present invention.

Claims (10)

1. a kind of high-pressure composite containers with sealing structure characterized by comprising
Shell is provided with bottleneck on the shell;
It is connected to the support liner of the bottleneck outer ring;
End, mounting groove is provided on the end, and the end is connected to the outer of the support liner by the mounting groove Circle;
Bottle-jack valve, the bottle-jack valve fixation are threaded through in the end;
Enhancement layer, package is on the housing.
2. the high-pressure composite containers according to claim 1 with sealing structure, which is characterized in that lining bag in the support The first semi-ring liner and the second semi-ring liner are included, the support liner is by the first semi-ring liner and the second semi-ring liner It is formed after fixed fastening.
3. the high-pressure composite containers according to claim 2 with sealing structure, which is characterized in that in first semi-ring It is respectively arranged with the first protrusion and the first groove on two end faces of lining, divides on two end faces of lining in second semi-ring Be not provided with second protrusion and the second groove, it is described first protrusion with second groove be engaged by clamping, it is described second protrusion with First groove is engaged by clamping.
4. the high-pressure composite containers according to claim 2 with sealing structure, which is characterized in that in first semi-ring Retention bead is provided on the inner ring of lining and the second semi-ring liner;
Card slot is provided on the side wall of the bottleneck, the retention bead and the card slot are engaged by clamping.
5. the high-pressure composite containers according to claim 1 with sealing structure, which is characterized in that the end includes solid Determine portion and mounting portion, the fixation hole for fixing the bottle-jack valve is provided in the fixed part, the mounting groove is arranged in institute It states in mounting portion;
The fixed part includes fixed section and guide section, and limiting stand terrace is formed between the mounting groove and the guide section;
Be provided with flange on the bottleneck, the flange extends to the direction far from the bottleneck axis, the flange with it is described Clamping space is provided between shell, the support liner is fixed in the clamping space;
The limiting stand terrace is abutted with the flange.
6. the high-pressure composite containers according to claim 5 with sealing structure, which is characterized in that the limiting stand terrace On be provided with limit stop ring, the limit stop ring extends to the direction far from the fixed part, and the limit stop ring with it is described Distance is maintained between the side wall of mounting groove.
7. the high-pressure composite containers according to claim 5 with sealing structure, which is characterized in that it further include sealing ring, The annular groove that the sealing ring is set for card is provided on the limiting stand terrace.
8. the high-pressure composite containers according to claim 5 with sealing structure, which is characterized in that set on the mounting portion It is equipped with arc-shaped transition section.
9. the high-pressure composite containers according to claim 1 with sealing structure, which is characterized in that the shell is at least Including two layers or more of layer structure.
10. the high-pressure composite containers according to claim 9 with sealing structure, which is characterized in that the material of the shell Matter is the combination of one or more of PA, PE, polyester, PP, POM and EVOH.
CN201810885168.3A 2018-08-06 2018-08-06 High-pressure composite container with sealing structure Active CN109027675B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810885168.3A CN109027675B (en) 2018-08-06 2018-08-06 High-pressure composite container with sealing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810885168.3A CN109027675B (en) 2018-08-06 2018-08-06 High-pressure composite container with sealing structure

Publications (2)

Publication Number Publication Date
CN109027675A true CN109027675A (en) 2018-12-18
CN109027675B CN109027675B (en) 2021-02-02

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Cited By (4)

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CN111963888A (en) * 2020-08-28 2020-11-20 亚普汽车部件股份有限公司 Sealing structure of high-pressure gas cylinder with plastic inner container
CN111963886A (en) * 2020-08-28 2020-11-20 亚普汽车部件股份有限公司 Sealing structure of high-pressure composite container
CN113757557A (en) * 2020-06-05 2021-12-07 麦格纳能源储存系统公司 High pressure vessel
WO2022042668A1 (en) * 2020-08-28 2022-03-03 亚普汽车部件股份有限公司 High-pressure composite container

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CN106122765A (en) * 2016-08-24 2016-11-16 沈阳斯林达安科新技术有限公司 The sealing structure of high-polymer material liner pressure vessel
CN106838602A (en) * 2017-01-19 2017-06-13 安徽绿动能源有限公司 A kind of metal bottleneck structure and LPG gas cylinders

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GB281199A (en) * 1927-07-22 1927-12-01 Schmidt Karl Improvements in or relating to gas cartridges particularly for fire extinguishers
US6325382B1 (en) * 1999-05-21 2001-12-04 Nippon Pillar Packing Co., Ltd. Non-contact type mechanical seal
CN103912787A (en) * 2014-04-04 2014-07-09 诸城奥扬深冷科技有限公司 Air leakage prevention pressing device
DE102015014650B3 (en) * 2015-11-12 2016-10-27 Audi Ag sealing arrangement
CN106122765A (en) * 2016-08-24 2016-11-16 沈阳斯林达安科新技术有限公司 The sealing structure of high-polymer material liner pressure vessel
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113757557A (en) * 2020-06-05 2021-12-07 麦格纳能源储存系统公司 High pressure vessel
CN111963888A (en) * 2020-08-28 2020-11-20 亚普汽车部件股份有限公司 Sealing structure of high-pressure gas cylinder with plastic inner container
CN111963886A (en) * 2020-08-28 2020-11-20 亚普汽车部件股份有限公司 Sealing structure of high-pressure composite container
WO2022042668A1 (en) * 2020-08-28 2022-03-03 亚普汽车部件股份有限公司 High-pressure composite container

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