CN109210365A - The sealing structure and high-pressure composite containers of high-pressure composite containers - Google Patents
The sealing structure and high-pressure composite containers of high-pressure composite containers Download PDFInfo
- Publication number
- CN109210365A CN109210365A CN201811278930.8A CN201811278930A CN109210365A CN 109210365 A CN109210365 A CN 109210365A CN 201811278930 A CN201811278930 A CN 201811278930A CN 109210365 A CN109210365 A CN 109210365A
- Authority
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- China
- Prior art keywords
- bottleneck
- composite containers
- pressure composite
- shell
- screw thread
- 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.)
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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
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- 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
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/06—Closures, e.g. cap, breakable member
Abstract
The invention discloses a kind of sealing structure of high-pressure composite containers and high-pressure composite containers, wherein, sealing structure includes bottleneck, support liner and end, bottleneck is arranged on the shell in high-pressure composite containers, it is provided with external screw thread on the outer wall of bottleneck, internal screw thread is provided on the inner wall of bottleneck, support liner is fixedly connected by internal screw thread with bottleneck, end is fixedly connected by external screw thread with bottleneck, and end abuts in the axial direction with support liner.The sealing structure and high-pressure composite containers of high-pressure composite containers provided by the invention, screw thread is respectively provided with by the inner and outer wall in bottleneck, make that liner and end is supported to pass through internal and external threads respectively and be connected with bottleneck, when there are when elevated pressures or pressure and temp alternation in high-pressure composite containers, bottleneck is due to the pulling force by internal and external screw thread, liner and end opposite will not be supported to occur to loosen or be detached from, it can be made up by the pulling force by screw thread simultaneously and the problem of brought leakproofness reduces is deformed by bottleneck, ensure that the durability of sealing.
Description
Technical field
The present invention relates to high-pressure composite containers technical field of sealing technology more particularly to a kind of sealing structures of high-pressure composite containers
And high-pressure composite containers.
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 also promoted CNG or the CNG vehicle mixed with fuel oil.Using hydrogen medium battery
Automobile is also current hot spot, and the operating pressure of hydrogen storage high pressure gas cylinder is generally 35MPa, 70MPa, and the IV type bottle of 70MPa is (high
Compression molding material liner clad vessel) it is current research and development focus.In addition to automobile-used, high pressure gas cylinder is also adequately answered in other field
With, such as European partial liquefaction oil gas is using plastic inner container clad vessel (operating pressure 2MPa).A large amount of high-pressure bottle
It is used widely in daily life, traditional pure metal or metal inner lining clad vessel have that weight is bigger than normal, no
Easily transport；And storage pressure is higher, metallo-plastic liner production technology is more complicated, and cost is higher, and there is also by high pressure gas corruption
The risk of erosion.In order to meet light-weighted requirement, high-pressure plastic liner clad vessel is generated, because of the characteristic of plastics, such production
Product have the superior functions such as corrosion-resistant, endurance, light-weight.Relative to pure metal or metal inner lining clad vessel, high-pressure plastic
The guarantee of the leakproofness of liner clad vessel is more harsh, main cause be the material of plastic inner container shell and metal termination not
Together, in use process repeatedly, plastic inner container is connect with metal termination to be loosened, sealing performance decline.
Summary of the invention
The object of the present invention is to provide a kind of sealing structure of high-pressure composite containers and high-pressure composite containers, above-mentioned to solve
The problems of the prior art prevent the leakage and infiltration of high-pressure composite containers mesohigh gas medium, guarantee the leakproofness of container.
The present invention provides a kind of sealing structures of high-pressure composite containers, wherein includes:
Bottleneck on shell in high-pressure composite containers is set, external screw thread is provided on the outer wall of the bottleneck, it is described
Internal screw thread is provided on the inner wall of bottleneck；
Liner is supported, is fixedly connected by the internal screw thread with the bottleneck；
End is fixedly connected by the external screw thread with the bottleneck, and the end and the support liner are in the axial direction
It abuts.
The sealing structure of high-pressure composite containers as described above, wherein preferably, set on the outer wall of the support liner
It is equipped with first step, the end abutment of the first step and the bottleneck；
Second step is provided on the end, the second step extends to the axis direction of the end, institute
Second step is stated to abut with the first step；
The material of the support liner and the end is metal.
The sealing structure of high-pressure composite containers as described above, wherein it further include the first sealing ring preferably, it is described
It is provided with the first groove in the one side of first step abutted with the bottleneck, first sealing ring is fixed to be fastened on described the
In one groove, and it is sealed between the first step and the end of the bottleneck.
The sealing structure of high-pressure composite containers as described above, wherein further include lantern ring preferably, the lantern ring is solid
On the housing, the inner ring of the lantern ring is abutted with the end for fixed setting.
The sealing structure of high-pressure composite containers as described above, wherein preferably, the bottom surface of the lantern ring and the shell
The fixed fitting of body；
Section is provided on the end, the section is abutted with the inner ring of the lantern ring；
It is provided with the first cambered surface on the end, the second cambered surface, first cambered surface, described are provided on the lantern ring
Cambered surface in two cambered surfaces and the shell forms smooth continuous arcwall face.
The present invention also provides a kind of high-pressure composite containers, wherein mentions including shell, bottle-jack valve, enhancement layer and the present invention
The sealing structure of the high-pressure composite containers of confession, the bottle-jack valve blocks the bottleneck after being secured across the support liner, described
Enhancement layer is wrapped on the shell and the end.
High-pressure composite containers as described above, wherein preferably, flat part, the bottleneck are provided on the shell
It is formed on the flat part and is connected to the inner cavity of the shell, the bottom surface of the end is bonded with the flat part.
High-pressure composite containers as described above, wherein preferably, the shell be one layer, material PA, PE, polyester,
Any one of PP, POM and EVOH；
The shell and the bottleneck are integrally formed.
High-pressure composite containers as described above, wherein preferably, the layer structure that the shell is two layers or more；Institute
Each layer material of shell is stated as a combination of one or more in PA, PE, polyester, PP, POM and EVOH.
High-pressure composite containers as described above, wherein further include the second sealing ring and third sealing ring preferably；
The second groove is provided on the end face of the support liner, it is recessed that the second sealing ring fixation is fastened on described second
In slot, and it is sealed between the bottle-jack valve and the end face of the support liner；
Third groove is provided on the inner sidewall of the support liner, the third sealing ring fixation is fastened on the third
In groove, and it is sealed between the bottle-jack valve and the inner sidewall of the support liner.
The sealing structure and high-pressure composite containers of high-pressure composite containers provided by the invention, by the inner wall in bottleneck and outside
Wall is respectively provided with screw thread, makes to support liner and end passes through internal screw thread respectively and external screw thread is connected with bottleneck, work as high-pressure composite containers
When inside there is elevated pressures or pressure and temp alternation, bottleneck due to the pulling force by internal and external screw thread, will not opposite support liner and
End occurs to loosen or be detached from, while can be made up by the pulling force by screw thread and deform what brought leakproofness reduced by bottleneck
Problem ensure that the durability of sealing.
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 structural schematic diagram of the sealing structure of high-pressure composite containers provided in an embodiment of the present invention；
Fig. 2 is the partial exploded view of Fig. 1；
Fig. 3 is the cross-sectional view of the sealing structure of high-pressure composite containers provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram for supporting liner；
Fig. 5 is the cross-sectional view of metal termination；
Fig. 6 is schematic diagram of the bottleneck on shell；
Fig. 7 is the structural schematic diagram of high-pressure composite containers provided in an embodiment of the present invention；
Fig. 8 is the cross-sectional view of Fig. 7；
Fig. 9 is the partial enlarged view of Fig. 8；
Figure 10 is the cross-sectional view of shell.
Description of symbols:
The end 100- 110- second step the first cambered surface of 120-
130- section 200- supports liner 210- first step
The end 300- bottleneck 310- 400- shell
410- flat part 500- lantern ring the second cambered surface of 510-
600- bottle-jack valve 700- enhancement layer the first sealing ring of 10-
20- the second sealing ring 30- third 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. 1 to Fig. 6, the embodiment of the invention provides a kind of sealing structure of high-pressure composite containers, packets
It includes bottleneck 300, support liner 200 and end 100, bottleneck 300 to be arranged on the shell 400 in high-pressure composite containers, bottleneck 300
Outer wall on be provided with external screw thread, be provided with internal screw thread on the inner wall of bottleneck 300, support liner 200 passes through internal screw thread and bottleneck
300 are fixedly connected, and end 100 is fixedly connected by external screw thread with bottleneck 300, and end 100 is supported in the axial direction with support liner 200
It connects.
Wherein, the shell 400 in high-pressure composite containers is generally plastic material, and bottleneck 300 can be integrated with shell 400
Molding, when, there are when elevated pressures or pressure and temp alternation, the bottleneck 300 of plastics is easy by pressure or temperature in high-pressure composite containers
The variation of degree and deform, cause the sealing performance at bottleneck 300 to reduce.To solve the above-mentioned problems, in the present embodiment,
It is respectively provided with screw thread in the inner and outer wall of bottleneck 300, makes to support liner 200 and end 100 respectively by internal screw thread and external screw thread
Be connected with bottleneck 300, when in high-pressure composite containers there are when elevated pressures or pressure and temp alternation, bottleneck 300 due to by it is interior,
Externally threaded pulling force opposite will not support liner 200 and end 100 to occur to loosen or be detached from, while pass through the pulling force by screw thread
It can make up and the problem of brought leakproofness reduces is deformed by bottleneck 300, ensure that the durability of sealing.
Bottleneck 300 is rotated relative to support liner 200 and end 100 in order to prevent, internal screw thread and externally threaded rotation direction phase
Instead.
Further, as shown in Figures 3 to 6, it supports and is provided with first step 210, first step on the outer wall of liner 200
210 abut with the end 310 of bottleneck 300；Second step 110, axis of the second step 110 to end 100 are provided on end 100
Line direction extends, and second step 110 is abutted with first step 210.When installation, support liner 200 can be screwed in into bottleneck
In 300, abut first step 210 with the end 310 of bottleneck 300, it is possible thereby to realize the support to 300 inner wall of bottleneck, together
When guarantee support liner 200 and bottleneck 300 between leakproofness；It is then possible to which end 100 is fixed to by external screw thread installation
On bottleneck 300, it is pressed on second step 110 on first step 210, meanwhile, the bottom surface of second step 110 is abutted to shell
On 400, it is possible thereby to realize the support to 300 outer wall of bottleneck, while guaranteeing the sealing between 300 outer wall of end 100 and bottleneck
Property, guarantee bottle when the pulling force of internal and external threads there are when elevated pressures or pressure and temp alternation, can be passed through in high temperature clad vessel
Mouthfuls 300 with support fitting closely for liner 200 or end 100, to ensure that leakproofness.Wherein, in order to guarantee the sealing knot
The structural strength of structure, supporting the material of liner 200 and end 100 can be metal.Meanwhile in the support for passing through metal material
Lining 200 and end 100 are threadedly coupled with the bottleneck of plastic material 300 respectively, can avoid plastics spout by screw thread pulling force
300 with the end 100 of metal material and liner 200 is supported to cause inconsistent problem of expanding with heat and contract with cold due to the difference of material,
It ensure that the durability of sealing.
Further, as shown in figure 3, the sealing structure of the high-pressure composite containers further includes the first sealing ring 10, first step
The first groove is provided in 210 one side abutted with bottleneck 300, the fixation of the first sealing ring 10 is fastened in the first groove, and
It is sealed between first step 210 and the end of bottleneck 300.Specifically, it is recessed to be greater than first for the diameter of section of the first sealing ring 10
The depth of slot, so that the first sealing ring 10 can protrude from the surface of first step 210, when first step 210 and bottleneck 300
After end 310 abuts, the first sealing ring 10 can be compressed between first step 210 and bottleneck 300, due to end 100, branch
It supports and is assembled between liner 200 and bottleneck 300 by internal and external threads, from there through threading force, make end 100, support 200 and of liner
Form the bite force that cannot mutually move between bottleneck 300, which ensures that the first sealing ring 10 is steady in a long-term and pressed
Contracting, to prevent the leakage and infiltration of high-pressure gas medium in container, ensure that the durability of sealing.Wherein, the first sealing
The diameter of section of circle 10 refers to the first sealing ring 10 in the diameter in the section for being parallel to its axial direction.
Further, as shown in Figures 2 and 3, the sealing structure of the high-pressure composite containers further includes lantern ring 500, and lantern ring 500 is solid
Fixed to be arranged on shell 400, the inner ring of lantern ring 500 is abutted with end 100.Wherein, the material of lantern ring 500 can be plastics, set
Ring 500 can be welded on shell 400, specifically can be fixed to shell by hot plate welding, ultrasonic bonding or laser welding
On 400.The seal clearance between end 100 and shell 400 can be blocked by lantern ring 500 as a result, prevent high-pressure gas medium from
End 100 and the leakage of the cooperation interface of shell 400.
Specifically, as shown in figure 3, the bottom surface of lantern ring 500 is bonded with the fixation of shell 400；Section is provided on end 100
130, section 130 is abutted with the inner ring of lantern ring 500；Wherein, the inner peripheral surface of lantern ring 500 can be plane, it is possible thereby to guarantee
It is fitted closely with section 130, avoids generating gap；In addition, by setting section 130 class can be formed to avoid on end 100
Like the wedge angle on lantern ring 500, so as to avoid because of wedge angle caused by stress concentrate, ensure that structural strength.
The first cambered surface 120 can be set on end 100, the second cambered surface 510, the first cambered surface are provided on lantern ring 500
120, the cambered surface in the second cambered surface 510 and shell 400 forms smooth continuous arcwall face, it is possible thereby to tight convenient for fiber winding layer
On the close surface for being coated on shell 400, lantern ring 500 and end 100, fiber winding layer is avoided after winding, on winding interface
There is gap and gas medium is caused to leak.
As shown in Figure 7 and Figure 8, the embodiment of the invention also provides a kind of high-pressure composite containers, including shell 400, bottleneck
The sealing structure for the high-pressure composite containers that valve 600, enhancement layer 700 and any embodiment of that present invention provide, wherein bottle-jack valve 600
Closure bottleneck 300, enhancement layer 700 after supporting liner 200 is secured across to be wrapped on shell 400 and end 100.Wherein, add
Strong layer 700 can be fiber winding layer, and enhancement layer 700 can guarantee the intensity of shell 400, enhance to the close of high-pressure gas medium
Sealing property.
As shown in Fig. 6, Fig. 9 and Figure 10, flat part 410 is provided on shell 400, bottleneck 300 is formed on flat part 410
And be connected to the inner cavity of shell, the bottom surface of end 100 is bonded with flat part 410, it is possible thereby to convenient for end 100 and shell 400
Between cooperation, the cooperation interface between end 100 and shell 400 is extended, namely extend the leakage paths of gas, to have
Effect prevents the leakage or infiltration of container mesohigh gas, ensure that the sealing effect of container.
Wherein, shell 400 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 400 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 400 can be for including at least two layers or more
Layer structure.Wherein, the material of shell 400 can be one or more of PA, PE, polyester, PP, POM and EVOH
Combination.That is, the above-mentioned material that every layer of layer structure is single, such as shell 400 include three layers, three layers of material point
It can not be PA, PE and PP.Certainly, shell can also only have one layer, material PA, PE, polyester, in PP, POM and EVOH
It is any.Wherein, it can be integrally formed for the ease of the machine-shaping of bottleneck 300, shell 400 and bottleneck 300.
Further, as shown in figure 9, the high pressure compound seal container may include the second sealing ring 20 and third sealing ring
30；The second groove being provided on the end face of liner 200 for installing the second sealing ring 20 is supported, and the second sealing ring 20 seals
Between bottle-jack valve 600 and the end face of support liner 200；It is provided on the inner sidewall of support liner 200 close for installing third
The third groove of seal 30, and third sealing ring 30 is sealed between bottle-jack valve 600 and the inner sidewall for supporting liner 200.Wherein,
Bottle-jack valve 600 may include capping and fixed section, and the diameter of capping is greater than the diameter of fixed section, it is possible thereby to covering and fixing
Section junction forms step surface, and when bottle-jack valve 600 is installed in support liner 200, step surface is pressed on support liner 200
On end face, it is extruded in the second sealing ring 20 between step surface and support liner 200, meanwhile, third sealing ring 30 is compressed in
Between fixed section and the inner sidewall for supporting liner 200, to ensure that the leakproofness after the installation of bottle-jack valve 600, it is therefore prevented that gas
Cooperation interface leakage or infiltration of the medium from bottle-jack valve 600 and support liner 200.
Wherein, the material of each sealing ring can be FKM, EPDM, FVMQ, PTFE and silica column etc., it is preferred that close
The material of seal is one of FKM, EPDM and PTFE.
The sealing structure and high-pressure composite containers of high-pressure composite containers provided in an embodiment of the present invention, by bottleneck
Wall and outer wall are respectively provided with screw thread, make to support liner and end passes through internal screw thread respectively and external screw thread is connected with bottleneck, when high pressure is multiple
It closes there are when elevated pressures or pressure and temp alternation in container, bottleneck, will not opposite support due to the pulling force by internal and external screw thread
Liner and end occur to loosen or be detached from, while can be made up by the pulling force by screw thread and deform brought leakproofness by bottleneck
The problem of reduction, ensure that the durability of sealing.
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 sealing structure of high-pressure composite containers characterized by comprising
Bottleneck on shell in high-pressure composite containers is set, external screw thread, the bottleneck are provided on the outer wall of the bottleneck
Inner wall on be provided with internal screw thread；
Liner is supported, is fixedly connected by the internal screw thread with the bottleneck；
End is fixedly connected by the external screw thread with the bottleneck, and the end abuts in the axial direction with the support liner.
2. the sealing structure of high-pressure composite containers according to claim 1, which is characterized in that the outer wall of the support liner
On be provided with first step, the end abutment of the first step and the bottleneck；
It is provided with second step on the end, the second step extends to the axis direction of the end, and described the
Two steps are abutted with the first step；
The material of the support liner and the end is metal.
3. the sealing structure of high-pressure composite containers according to claim 2, which is characterized in that it further include the first sealing ring,
The first groove is provided in the one side of the first step abutted with the bottleneck, the first sealing ring fixation is fastened on institute
It states in the first groove, and is sealed between the first step and the end of the bottleneck.
4. the sealing structure of high-pressure composite containers according to claim 1, which is characterized in that it further include lantern ring, the set
Ring is fixedly installed on the housing, and the inner ring of the lantern ring is abutted with the end.
5. the sealing structure of high-pressure composite containers according to claim 4, which is characterized in that the bottom surface of the lantern ring and institute
State the fixed fitting of shell；
Section is provided on the end, the section is abutted with the inner ring of the lantern ring；
It is provided with the first cambered surface on the end, the second cambered surface, first cambered surface, second arc are provided on the lantern ring
Cambered surface on face and the shell forms smooth continuous arcwall face.
6. a kind of high-pressure composite containers, which is characterized in that including any one of shell, bottle-jack valve, enhancement layer and claim 1-5 institute
The sealing structure for the high-pressure composite containers stated, the bottle-jack valve blocks the bottleneck after being secured across the support liner, described
Enhancement layer is wrapped on the shell and the end.
7. high-pressure composite containers according to claim 6, which is characterized in that flat part is provided on the shell, it is described
Bottleneck is formed on the flat part and is connected to the inner cavity of the shell, and the bottom surface of the end is bonded with the flat part.
8. high-pressure composite containers according to claim 6, which is characterized in that the shell is one layer, material PA, PE,
Any one of polyester, PP, POM and EVOH；
The shell and the bottleneck are integrally formed.
9. high-pressure composite containers according to claim 6, which is characterized in that the stratiform knot that the shell is two layers or more
Structure；Each layer material of the shell is PA, PE, polyester, a combination of one or more in PP, POM and EVOH.
10. high-pressure composite containers according to claim 6, which is characterized in that further include the second sealing ring and third sealing
Circle；
The second groove is provided on the end face of the support liner, the second sealing ring fixation is fastened on second groove
In, and be sealed between the bottle-jack valve and the end face of the support liner；
Third groove is provided on the inner sidewall of the support liner, the third sealing ring fixation is fastened on the third groove
In, and be sealed between the bottle-jack valve and the inner sidewall of the support liner.
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| CN201811278930.8A CN109210365B (en) | 2018-10-30 | 2018-10-30 | Sealing structure of high-pressure composite container and high-pressure composite container |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110843233A (en) * | 2019-11-01 | 2020-02-28 | 浙江富铭工业机械有限公司 | Composite gas-liquid pressure tank with filling port in barrel section |
| CN111174083A (en) * | 2019-12-27 | 2020-05-19 | 东南大学 | Novel high-pressure composite gas cylinder |
| 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 |
| CN111963889A (en) * | 2020-08-28 | 2020-11-20 | 亚普汽车部件股份有限公司 | High-pressure gas storage device |
| 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 |
| WO2021004018A1 (en) * | 2019-07-05 | 2021-01-14 | 广东大任生物科技有限责任公司 | Gas cylinder |
| CN112393111A (en) * | 2020-12-08 | 2021-02-23 | 亚普汽车部件股份有限公司 | Bottleneck seal structure and high-pressure composite container |
| CN114981585A (en) * | 2020-01-15 | 2022-08-30 | 佛吉亚排气系统有限公司 | Tank, in particular for hydrogen, with improved sealing |
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