CN109114414A - 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
- CN109114414A CN109114414A CN201811278967.0A CN201811278967A CN109114414A CN 109114414 A CN109114414 A CN 109114414A CN 201811278967 A CN201811278967 A CN 201811278967A CN 109114414 A CN109114414 A CN 109114414A
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- Prior art keywords
- bottleneck
- shell
- sealing
- composite containers
- pressure composite
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- 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
-
- 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 and end, and bottleneck is arranged on the shell in high-pressure composite containers, internal stretch of the bottleneck to shell；One end fixation of end is threaded through in bottleneck；Reinforcement part is provided on end, reinforcement part is extended with the thickness of setting to the side of bottleneck；It is arranged on the side wall of end fluted.The sealing structure and high-pressure composite containers of high-pressure composite containers provided by the invention, there is the end of reinforcement part by being arranged, improve the structural strength of the housing parts around bottleneck, the shell for avoiding bottle mouth position deformed by internal gas pressure or temperature change and caused by gas leak；Meanwhile by making internal stretch of the bottleneck to shell, avoids gas and occur to leak from the cooperation position of bottleneck and end or permeate；In addition, the fiber winding layer being wrapped in outside shell can be made to extend into groove, end is avoided to be subjected to displacement deformation by setting groove.
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 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.
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, internal stretch of the bottleneck to the shell are set；
One end fixation of end, the end is threaded through in the bottleneck；
Reinforcement part is provided on the end, the reinforcement part is extended with the thickness of setting, institute to the side of the bottleneck
State the housing parts palette around reinforcement part and the bottleneck；
It is arranged on the side wall of the end fluted.
The sealing structure of high-pressure composite containers as described above, wherein preferably, guiding is provided on the end
Portion, the guide part are connect with the whorl of bottleneck.
The sealing structure of high-pressure composite containers as described above, wherein preferably, be provided with first on the reinforcement part
Sealing surface and secondary sealing area, at obtuse angle between the primary sealing area and the secondary sealing area；
After the guide part is fixedly connected with the bottleneck, the primary sealing area and the secondary sealing area are and institute
State shell fitting.
The sealing structure of high-pressure composite containers as described above, wherein it further include sealing device preferably, it is described close
Seal apparatus is fixed on the cooperation interface of the reinforcement part and the shell.
The sealing structure of high-pressure composite containers as described above, wherein preferably, the sealing device includes first close
Seal and the second sealing ring；
The first card slot is provided on the primary sealing area, first sealing ring is arranged in first card slot, and
It is sealed between the primary sealing area and the shell；
The second card slot is provided on the secondary sealing area, second sealing ring is arranged in second card slot, and
It is sealed between the secondary sealing area and the shell.
The sealing structure of high-pressure composite containers as described above, wherein preferably, be provided with arc on the reinforcement part
Transition face, after the reinforcement part is bonded with the shell, the cambered surface on the arc transiting surface and the shell is formed smoothly
Continuous arcwall face.
The sealing structure of high-pressure composite containers as described above, wherein preferably, the thickness of the setting is greater than
20mm。
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, which is secured across behind the end, blocks the bottleneck, described to add
Strong layer is wrapped on the shell and the reinforcement part of the end, and the enhancement layer is extend into the groove on the end.
High-pressure composite containers as described above, wherein preferably, sunk structure, the bottle are provided on the shell
Mouth is connected to the sunk structure, and after the end is fixedly connected with the bottleneck, the reinforcement part and the sunk structure are pasted
It closes.
High-pressure composite containers as described above, wherein further include third sealing ring and the 4th sealing ring preferably；
Third card slot is provided on the end face of the end, the third sealing ring fixation is fastened on the third card slot
In, and be sealed between the bottle-jack valve and the end face of the end；
The 4th card slot is provided on the inner sidewall of the end, the 4th sealing ring fixation is fastened on the 4th card slot
In, and be sealed between the bottle-jack valve and the inner sidewall of the end.
The sealing structure and high-pressure composite containers of high-pressure composite containers provided by the invention have reinforcement part by being arranged
End improves the structural strength of the housing parts around bottleneck, avoids the shell of bottle mouth position by internal gas pressure or temperature
Degree variation and deform and caused by gas leak；It, can be by end by bottle meanwhile by making internal stretch of the bottleneck to shell
Mouth cladding in the housing, avoids gas from occurring to leak from the cooperation position of bottleneck and end or permeate, sealing has been effectively ensured
Durability；In addition, the fiber winding layer being wrapped in outside shell can be made to extend into groove, avoid holding by setting groove
Hair gives birth to displacement deformation, alleviates the extraneous heavy impulsive contact force to end, protective terminal；Itself and fiber winding layer are also extended simultaneously
Cooperate interface, namely extend the leakage paths of high pressure gas, it is therefore prevented that the leakage of gas.
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 cross-sectional view of end；
Fig. 5 is the structural schematic diagram of high-pressure composite containers provided in an embodiment of the present invention；
Fig. 6 is the cross-sectional view of Fig. 5；
Fig. 7 is the partial enlarged view of Fig. 6；
Fig. 8 is the partial sectional view of shell.
Description of symbols:
The end 100- 110- reinforcement part 111- arc transiting surface
112- primary sealing area 113- secondary sealing area 120- groove
130- guide part 200- shell 210- sunk structure
300- the first sealing ring 400- the second sealing ring 500- bottleneck
600- enhancement layer 700- bottle-jack valve 710- capping
The 4th sealing ring of 720- fixed section 800- third sealing ring 900-
H- thickness
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. 4, the embodiment of the invention provides a kind of sealing structure of high-pressure composite containers, packets
Bottleneck 500 and end 100 are included, bottleneck 500 is arranged on the shell 200 in high-pressure composite containers, and bottleneck 500 is to shell 200
Internal stretch；One end fixation of end 100 is threaded through in bottleneck 500；Reinforcement part 110, reinforcement part 110 are provided on end 100
The thickness H of setting is extended with to the side of bottleneck 500, the 200 part palette of shell around reinforcement part 110 and bottleneck 500；
Fluted 120 are arranged on the side wall of end 100.
Wherein, the shell 200 in high-pressure composite containers is generally plastic material, and bottleneck 500 can be integrated with shell 200
Molding, when, there are when elevated pressures or pressure and temp alternation, the bottleneck 500 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 500 to reduce.To solve the above-mentioned problems, in the present embodiment,
There is the reinforcement part 110 of setting thickness H by being arranged, be connected to 200 part of shell around bottleneck 500 on reinforcement part 110,
The structural strength that 200 part of shell around promotion bottleneck 500 may be implemented, avoids the shell 200 at bottleneck 500 by internal gas
Body pressure or temperature change and deform；Meanwhile making bottleneck 500 to the internal stretch of shell 200, it can be by end 100 by bottle
Mouth 500 is coated in shell 200, avoids gas from occurring to leak from the cooperation position of bottleneck 500 and end 100 or permeate, has
Effect ensure that the durability of sealing.In addition, can make to be wrapped in shell since fluted 120 being arranged on the side wall of end 100
Fiber winding layer outside 200 is extend into groove 120, to combine closely with end 100, meanwhile, by making fiber winding layer
It extend into groove 120, deformation can be subjected to displacement to avoid end 100, while the extraneous collision again to end 100 can be alleviated
Power, protective terminal 100.In addition, the setting of groove 120 also extends its cooperation interface with fiber winding layer, namely extend
The leakage paths of high pressure gas have further prevented the leakage of gas.
It should be noted that when that, there are in the case where elevated pressures, can be produced between bottle-jack valve 700 and end 100 in container
Raw biggish tensile stress, easily causes reinforcement part 110 to generate biggish yield stress, long if the thickness H of reinforcement part 110 is smaller
By the effect of yield stress breakage problem can be occurred for the phase, therefore, in order to avoid the problem, and in the present embodiment, reinforcement part 110
Thickness H is greater than 20mm, it is preferred that the thickness H of reinforcement part 110 is 23mm.
Wherein, it is subjected to displacement deformation after avoiding end 100 from connecting with bottleneck 500, guide part can be set on end 100
130, guide part 130 is threadedly coupled with bottleneck 500, by the interaction force between screw thread, ensure that end 100 and bottleneck 500
The reliability and leakproofness of connection.
In order to guarantee that the structural strength of the sealing structure, the material of end 100 can be metal.Meanwhile metal material
The bottleneck 500 of end 100 and plastic material can form the preferable interface of leakproofness after cooperating, and ensure that the durability of sealing.
As shown in figure 3, primary sealing area 112 and secondary sealing area 113 are provided on reinforcement part 110, primary sealing area 112
At obtuse angle between secondary sealing area 113；After guide part 130 is fixedly connected with bottleneck 500, primary sealing area 112 and second
Sealing surface 113 is bonded with shell 200；As a result, by setting primary sealing area 112 and secondary sealing area 113, effectively extend
The cooperation interface of end 100 and bottleneck 500 and shell 200, namely the leakage paths of high pressure gas are extended, it ensure that sealing
Property.Wherein, obtuse angle will be arranged between primary sealing area 112 and secondary sealing area 113, gas leak path can be made to occur inclined
Folding further prevents the leakage of gas to cause to hinder to gas flowing.
In order to further strengthen sealing effect, the fit clearance between end 100 and shell 200, the sealing structure are eliminated
It can also include sealing device, which is fixed on the cooperation interface of reinforcement part 110 and shell 200.
Specifically, which includes the first sealing ring 300 and the second sealing ring 400；It is arranged on primary sealing area 112
There is the first card slot, the first sealing ring 300 is arranged in the first card slot, and is sealed between primary sealing area 112 and shell 200；
The second card slot is provided on secondary sealing area 113, the second sealing ring 400 is arranged in the second card slot, and is sealed in the second sealing
Between face 113 and shell 200.It may be implemented as a result, by the first sealing ring 300 of setting and the second sealing ring 400 two stage
Sealing, ensure that the sealing effect of structure.
Further, as shown in figure 3, being provided with arc transiting surface 111 on reinforcement part 110, when reinforcement part 110 and shell 200
After fitting, the cambered surface on arc transiting surface 111 and shell 200 forms smooth continuous arcwall face.It is possible thereby to be twined convenient for fiber
Winding layer is closely coated on the surface of shell 200 and end 100, avoids fiber winding layer after winding, is gone out on winding interface
Show gap and gas medium is caused to leak.
As shown in Figures 5 to 7, the present invention also provides a kind of high-pressure composite containers comprising shell 200, bottle-jack valve
700, the sealing structure for the high-pressure composite containers that enhancement layer 600 and any embodiment of that present invention provide, the fixation of bottle-jack valve 700 are worn
In end 100, enhancement layer 600 is wrapped on shell 200 and the reinforcement part 110 of end 100, and enhancement layer 600 extend into end
In groove 120 on first 100, to combine closely with end 100, meanwhile, by extending into enhancement layer 600 in groove 120,
It can be subjected to displacement deformation to avoid end 100, while the extraneous heavy impulsive contact force to end 100, protective terminal 100 can be alleviated.
In addition, the setting of groove 120 also extends its cooperation interface with enhancement layer 600, namely extend the leakage road of high pressure gas
Diameter has further prevented the leakage of gas.Wherein, enhancement layer 600 can be fiber winding layer, and enhancement layer 600 can guarantee shell
The intensity of body 200, while guaranteeing the reliability that end 100 is connect with shell 200, enhance the leakproofness to high-pressure gas medium
Energy.In addition, the reinforcement part 110 on end 100 can be pressed on shell 200 by enhancement layer 600, it is long to avoid reinforcement part 110
By the effect of yield stress breakage problem can be occurred for the phase.
Wherein, shell 200 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 200 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 200 can be two layers or more of layer structure.
Wherein, the material of each layer of shell 200 can be one of PA, PE, polyester, PP, POM and EVOH.Wherein, for the ease of bottle
The machine-shaping of mouth 500, shell 200 and bottleneck 500 can be integrally formed.
As shown in Figure 2 and Figure 8, in order to provide installation space to reinforcement part 110, while guaranteeing reinforcement part 110 and shell 200
Sunk structure 210 has can be set on shell 200 in reliable fit, and bottleneck 500 is connected to sunk structure 210, end 100 and bottle
After mouth 500 is fixedly connected, reinforcement part 110 is bonded with sunk structure 210.
Further, as shown in fig. 7, the high-pressure composite containers can also include third sealing ring 800 and the 4th sealing ring
900；Third card slot is provided on the end face of end 100, the fixation of third sealing ring 800 is fastened in third card slot, and is sealed in
Between bottle-jack valve 700 and the end face of end 100；The 4th card slot is provided on the inner sidewall of end 100, the 4th sealing ring 900 is solid
Surely it is fastened in the 4th card slot, and is sealed between bottle-jack valve 700 and the inner sidewall of end 100.Wherein, bottle-jack valve 700 can be with
Including capping 710 and fixed section 720, the diameter for covering 710 is greater than the diameter of fixed section 720, it is possible thereby in capping 710 and solid
Determine 720 junction of section and form step surface, when bottle-jack valve 700 is installed in end 100, step surface is pressed on the end of end 100
On face, it is extruded in third sealing ring 800 between step surface and end 100, meanwhile, the 4th sealing ring 900 is compressed in fixation
Between section and the inner sidewall of end 100, to ensure that the leakproofness after bottle-jack valve 700 is installed, it is therefore prevented that gas medium is from bottle
The leakage of the cooperation interface of mouth valve 700 and end 100 or infiltration.
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 have by setting and add
The end in strong portion, improves the structural strength of the housing parts around bottleneck, avoids the shell of bottle mouth position by internal gas pressure
Power or temperature change and deform and caused by gas leak；Meanwhile by making internal stretch of the bottleneck to shell, end can be passed through
Bottleneck cladding in the housing, is avoided gas from occurring to leak from the cooperation position of bottleneck and end or permeate, is effectively ensured by head
The durability of sealing；In addition, the fiber winding layer being wrapped in outside shell can be made to extend into groove by setting groove,
It avoids end from being subjected to displacement deformation, alleviates the extraneous heavy impulsive contact force to end, protective terminal；It is also extended simultaneously to twine with fiber
The cooperation interface of winding layer, namely extend the leakage paths of high pressure gas, it is therefore prevented that the leakage of gas.
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, internal stretch of the bottleneck to the shell are set；
One end fixation of end, the end is threaded through in the bottleneck；
Reinforcement part is provided on the end, the reinforcement part is extended with the thickness of setting to the side of the bottleneck, described to add
Housing parts palette around strong portion and the bottleneck；
It is arranged on the side wall of the end fluted.
2. the sealing structure of high-pressure composite containers according to claim 1, which is characterized in that be provided with and lead on the end
To portion, the guide part is connect with the whorl of bottleneck.
3. the sealing structure of high-pressure composite containers according to claim 2, which is characterized in that be provided on the reinforcement part
Primary sealing area and secondary sealing area, at obtuse angle between the primary sealing area and the secondary sealing area；
After the guide part is fixedly connected with the bottleneck, the primary sealing area and the secondary sealing area with the shell
It shows consideration for and closes.
4. the sealing structure of high-pressure composite containers according to claim 3, which is characterized in that it further include sealing device, institute
Sealing device is stated to be fixed on the cooperation interface of the reinforcement part and the shell.
5. the sealing structure of high-pressure composite containers according to claim 4, which is characterized in that the sealing device includes the
One sealing ring and the second sealing ring；
The first card slot is provided on the primary sealing area, first sealing ring is arranged in first card slot, and seals
Between the primary sealing area and the shell；
The second card slot is provided on the secondary sealing area, second sealing ring is arranged in second card slot, and seals
Between the secondary sealing area and the shell.
6. the sealing structure of high-pressure composite containers according to claim 5, which is characterized in that be provided on the reinforcement part
Arc transiting surface, after the reinforcement part is bonded with the shell, the arc transiting surface is formed with the cambered surface on the shell
Smooth continuous arcwall face.
7. the sealing structure of high-pressure composite containers according to claim 1, which is characterized in that the thickness of the setting is greater than
20mm。
8. a kind of high-pressure composite containers, which is characterized in that including any one of shell, bottle-jack valve, enhancement layer and claim 1-7 institute
The sealing structure for the high-pressure composite containers stated, the bottle-jack valve block the bottleneck, the reinforcement after being secured across the end
Layer is wrapped on the shell and the reinforcement part of the end, and the enhancement layer is extend into the groove on the end.
9. high-pressure composite containers according to claim 8, which is characterized in that be provided with sunk structure, institute on the shell
It states bottleneck to be connected to the sunk structure, after the end is fixedly connected with the bottleneck, the reinforcement part and the recess are tied
Structure fitting.
10. high-pressure composite containers according to claim 8, which is characterized in that further include third sealing ring and the 4th sealing
Circle；
Third card slot is provided on the end face of the end, the third sealing ring fixation is fastened in the third card slot, and
It is sealed between the bottle-jack valve and the end face of the end；
The 4th card slot is provided on the inner sidewall of the end, the 4th sealing ring fixation is fastened in the 4th card slot,
And it is sealed between the bottle-jack valve and the inner sidewall of the end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811278967.0A CN109114414A (en) | 2018-10-30 | 2018-10-30 | The sealing structure and high-pressure composite containers of high-pressure composite containers |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811278967.0A CN109114414A (en) | 2018-10-30 | 2018-10-30 | The sealing structure and high-pressure composite containers of high-pressure composite containers |
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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 |
| 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 |
| CN112728397A (en) * | 2020-12-09 | 2021-04-30 | 武汉格罗夫氢能汽车有限公司 | High-pressure hydrogen storage bottle for fuel cell hydrogen energy automobile and manufacturing method thereof |
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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 |
| 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 |
| CN112728397A (en) * | 2020-12-09 | 2021-04-30 | 武汉格罗夫氢能汽车有限公司 | High-pressure hydrogen storage bottle for fuel cell hydrogen energy automobile and manufacturing method thereof |
| CN112728397B (en) * | 2020-12-09 | 2023-08-04 | 武汉格罗夫氢能汽车有限公司 | High-pressure hydrogen storage bottle for fuel cell hydrogen energy automobile and manufacturing method thereof |
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Application publication date: 20190101 |