CN116293434A - BOSS structure bottle mouth sealing structure for IV-type hydrogen storage bottle - Google Patents
BOSS structure bottle mouth sealing structure for IV-type hydrogen storage bottle Download PDFInfo
- Publication number
- CN116293434A CN116293434A CN202310558346.2A CN202310558346A CN116293434A CN 116293434 A CN116293434 A CN 116293434A CN 202310558346 A CN202310558346 A CN 202310558346A CN 116293434 A CN116293434 A CN 116293434A
- Authority
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- China
- Prior art keywords
- boss structure
- sealing
- end cover
- boss
- hydrogen storage
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 103
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 36
- 239000001257 hydrogen Substances 0.000 title claims abstract description 36
- 229920001903 high density polyethylene Polymers 0.000 claims abstract description 48
- 229920003023 plastic Polymers 0.000 claims abstract description 15
- 239000004033 plastic Substances 0.000 claims abstract description 15
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 8
- 239000004917 carbon fiber Substances 0.000 claims abstract description 8
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 8
- 238000001175 rotational moulding Methods 0.000 claims abstract description 7
- 239000002184 metal Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000001746 injection moulding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/02—Sealings between relatively-stationary surfaces
- F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
- F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2203/00—Vessel construction, in particular walls or details thereof
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/32—Hydrogen storage
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A BOSS structure bottleneck seal structure for IV type hydrogen storage bottle belongs to high-pressure hydrogen storage bottle technical field. The plastic inner container comprises an end cover, a BOSS structure and a plastic inner container, wherein the end cover is inserted into the BOSS structure and is fixedly connected with the BOSS structure, the BOSS structure is arranged on the upper portion of the plastic inner container and is fixedly connected with the plastic inner container through rotational molding, and sealing elements are arranged at contact surfaces among the components. The sealing structures are arranged on the contact surfaces among the components, so that the connection stability and the tightness of the whole structure in the hydrogen filling and discharging process are ensured; the axial outer surface of the BOSS structure is provided with a rotation stopping platform which is used for bearing the rotation stopping function between the BOSS structure and the carbon fiber layer, the outer edge of the BOSS structure is provided with a rotation stopping hole which is used for bearing the rotation stopping function of the BOSS structure and the plastic liner; the inner surface of the upper end of the plastic liner is provided with taper, and the taper is in interference fit with a sealing ring in a sealing groove of the lower taper surface of the end cover to bear the sealing function.
Description
Technical Field
The invention belongs to the technical field of high-pressure hydrogen storage cylinders, and particularly relates to a BOSS structure bottle opening sealing structure for an IV-type hydrogen storage cylinder.
Background
In order to cope with the energy crisis and environmental pollution problems, hydrogen energy is attracting attention as a clean energy source, and hydrogen storage technology is a key link for hydrogen energy utilization. The demand of the vehicle-mounted hydrogen storage bottle in the Chinese market is in a rapid increasing trend, and according to statistics, the demand in 2022 can reach 6.9 ten thousand, and the demand is increased by 127.7% in a same ratio; up to 23 ten thousand animals in 2025, the annual composite growth rate is about 66%. The IV-type hydrogen storage bottle has become a research hot spot gradually due to the advantages of lighter weight, higher mass hydrogen storage density, better fatigue performance and the like.
The type IV hydrogen storage cylinder is generally composed of a plastic liner and a carbon fiber layer. The BOSS structure is used as a key component for connecting the plastic liner and the metal bottle opening valve, and the sealing performance is required to be ensured so as to ensure that hydrogen cannot leak. At present, an injection molding process is a main mode for connecting a plastic liner and a BOSS structure, but the injection molding process easily causes that the plastic and the metal are not firmly connected, layering phenomenon occurs, and leakage is caused. In addition, the existing bottleneck sealing structure design is diversified, but the existing bottleneck sealing structure cannot be suitable for different types of bottleneck valves on the market, and the problems of insufficient suitability, poor sealing performance and the like exist.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a BOSS structure bottle opening sealing structure for an IV-type hydrogen storage bottle, which has the advantages of simple structure, high adaptability, good sealing performance, strong practicability and the like.
The invention provides the following technical scheme:
a BOSS structure bottleneck seal structure for IV type hydrogen storage cylinder, includes end cover, BOSS structure and plastics inner bag, the end cover peg graft in the BOSS structure and with BOSS structure fastening connection, the BOSS structure cover is established in the outside on plastics inner bag upper portion and is through rotational moulding processing and plastics inner bag fixed connection, all is equipped with the sealing member between end cover and the BOSS structure, the contact surface department between BOSS structure and the plastics inner bag.
Further, the end cover comprises a limiting part at the upper part and a connecting part at the lower part, and the connecting part is inserted in the BOSS structure and is matched with the upper part of the plastic liner.
Further, the outer side surface of the connecting part is provided with an inward inclined taper, and the inner side wall of the upper part of the plastic liner is provided with an outward inclined taper matched with the outer side surface taper of the connecting part.
Further, the lower end face of the end cover limiting part is contacted with the upper end face of the BOSS structure, and sealing elements are arranged on the upper end face of the end cover limiting part, between the lower end face of the end cover limiting part and the upper end face of the BOSS structure, and between the outer side face of the end cover connecting part and the inner side wall of the upper part of the plastic liner.
Further, the sealing piece comprises a sealing ring, and a retainer ring is further arranged between the outer side face of the end cover connecting part and the inner side wall of the upper part of the plastic liner and used for preventing the sealing ring from sliding under high-pressure hydrogen.
Further, an annular groove is formed in the axial inner side wall of the BOSS structure, a rotation stopping platform is arranged on the axial outer side wall of the BOSS structure, and a rotation stopping hole is formed in the outer side edge of the BOSS structure; the outer surface of the upper end of the plastic liner is provided with a rubber bulge, and the rubber bulge is matched with a circumferential groove on the BOSS structure to realize the sealing between the rubber bulge and the circumferential groove; the outside of BOSS structure is equipped with the carbon fiber layer, it is used for assuming the function of stopping changeing between BOSS structure and the carbon fiber layer to stop changeing the platform.
Further, the lower part of the end cover is provided with a sealing ring surface, the sealing ring surface and the upper end surface of the plastic liner are sealed by a C-shaped metal sealing ring and an O-shaped sealing ring, and the outer side surface of the lower part of the end cover and the inner side wall of the upper part of the plastic liner are sealed by the O-shaped sealing ring and a check ring.
Further, the upper part of the end cover is fastened and installed with an external bottleneck valve, a sealing groove is formed in the upper end face of the end cover, and an O-shaped sealing ring is arranged at the sealing groove.
Further, the annular sealing groove is formed in the inner surface of the BOSS structure, and a rotation stopping hole is formed in the outer side of the annular sealing groove.
Further, a rotation stopping column is arranged at the lower part of the plastic inner container, a trapezoid boss is arranged at the outer side of the upper part of the rotation stopping column, and a sealing plane is arranged at the upper end part of the rotation stopping column; the annular sealing groove is in interference fit with the trapezoid boss, and the rotation stopping hole is matched with the rotation stopping column.
By adopting the technology, compared with the prior art, the invention has the following beneficial effects:
1) In the invention, the bottleneck sealing assembly is provided with the sealing structure on the contact surface among all the parts, so that the connection stability and the airtightness of the bottleneck sealing structure of the whole BOSS structure are ensured in the hydrogen filling and discharging process;
2) According to the invention, the end cover structure with the internal thread and the end face sealing groove is additionally arranged, so that not only is the anti-leakage performance of the bottle mouth sealing assembly enhanced, but also the applicability of the bottle mouth sealing assembly to the assembly of bottle mouth valve products with different specifications in the existing market is greatly improved;
3) In the invention, the axial outer surface of the end cover is provided with the sealing groove, the sealing ring and the retainer ring, and the sealing performance of the bottleneck assembly under high pressure is ensured by realizing interference fit with the inner surface of the plastic liner through taper design;
4) In the invention, the axial inner surface and the axial outer surface of the end cover and the inner surface and the outer surface of the BOSS structure are respectively provided with a thread design, so that the fastening connection among the end cover, the BOSS structure, the bottleneck valve, the external tube plate and other metal connecting pieces is realized;
5) In the invention, the inner surface of the BOSS structure is provided with an inward-sinking sealing groove in interference fit with the plastic liner, and the connection stability of the BOSS structure and the plastic liner is ensured through rotational molding;
6) In the invention, the BOSS structure is provided with the rotation stopping platform and the rotation stopping hole, so that the BOSS structure is prevented from being separated from the carbon fiber layer and the plastic liner in the winding and transportation processes of the hydrogen storage cylinder.
Drawings
FIG. 1 is a schematic diagram illustrating an assembly of a bottle opening sealing structure of a BOSS structure according to a first embodiment of the present invention;
FIG. 2 is an enlarged schematic view of a partial structure at A in FIG. 1;
FIG. 3 is a schematic view of a seal ring according to a first embodiment of the present invention;
FIG. 4 is a schematic view of a retainer ring according to a first embodiment of the present invention;
FIG. 5 is a schematic view of an end cap according to a first embodiment of the present invention;
FIG. 6 is a schematic diagram of a BOSS structure according to a first embodiment of the present invention, wherein FIG. a is a schematic diagram of a corrosion structure of the BOSS structure, and FIG. b is a schematic diagram of a cross-sectional structure of the BOSS structure;
FIG. 7 is a schematic view of a plastic liner according to a first embodiment of the present invention;
FIG. 8 is a schematic diagram illustrating the assembly of a bottle neck sealing structure with a BOSS structure according to a second embodiment of the present invention;
FIG. 9 is an enlarged schematic view of a partial structure at B in FIG. 8;
FIG. 10 is an enlarged schematic view of a partial structure at C in FIG. 8;
FIG. 11 is a schematic diagram of an end cap structure according to a second embodiment of the present invention;
FIG. 12 is a diagram illustrating a BOSS structure according to a second embodiment of the present invention;
fig. 13 is a schematic view of a plastic liner according to a second embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail below with reference to the accompanying drawings and examples of the present invention. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
On the contrary, the invention is intended to cover any alternatives, modifications, equivalents, and variations as may be included within the spirit and scope of the invention as defined by the appended claims. Further, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. The present invention will be fully understood by those skilled in the art without the details described herein.
Examples
Referring to fig. 1-7, a bottle mouth sealing structure of a BOSS structure for an IV-type hydrogen storage bottle includes an end cover 101, a BOSS structure 111 and a plastic liner 121, wherein the end cover 101 is inserted into the BOSS structure 111 and is connected with the BOSS structure 111 through screw fastening, and the BOSS structure 111 is sleeved on the upper portion of the plastic liner 121 and is connected with the plastic liner 121 through rotational molding.
Specifically, as shown in fig. 2 and 5, an end cover internal thread 102, an end cover external thread 103, a sealing groove 104, a sealing ring 105 and a retainer ring 106 are arranged on an end cover 101, the end cover internal thread 102 is in threaded fastening connection with an external bottle mouth valve, the outer surface of the lower end of the end cover 101 is in a 2-degree taper design, the sealing groove 104 is internally provided with the sealing ring 105 to realize sealing connection with a BOSS structure 111, a plastic liner 121 and the external bottle mouth valve, the retainer ring 106 is positioned in the sealing groove 104 on the contact surface of the end cover 101 and the plastic liner 121, and the end cover 101 provides inner diameters of different sizes to be matched with bottle mouth valves on the market.
Specifically, as shown in fig. 2-4, the sealing ring 105 and the retainer ring 106 are embedded in the sealing groove 104 to prevent the leakage of hydrogen in the hydrogen storage cylinder during the high-pressure charging and discharging process.
Specifically, as shown in fig. 6, a BOSS structure internal thread 112, a BOSS structure external thread 113, a circumferential groove 114, a rotation stopping platform 115 and a rotation stopping hole 116 are arranged on the BOSS structure 111, the BOSS structure internal thread 112 is located on the axial inner surface of the BOSS structure 111, fastening connection with the end cover external thread 103 is achieved, the BOSS structure external thread 113 is located on the axial outer surface of the BOSS structure 111, fastening connection between a hydrogen storage bottle and a tube plate thread of a long tube trailer is achieved, the BOSS structure 111 is internally provided with the circumferential groove 114, through interference fit between the circumferential groove 114 and a rubber protrusion arranged on the plastic liner 121, connection and sealing functions are achieved, the axial outer surface of the BOSS structure 111 is provided with a rotation stopping platform 115 which is of an irregular structure, the rotation stopping function between the BOSS structure 111 and a carbon fiber layer is borne through irregular design, and the rotation stopping hole 116 is arranged at the lower edge of the BOSS structure 111, and the rotation stopping function between the BOSS structure 111 and the plastic liner 121 is borne through circumferential distribution design.
Specifically, as shown in fig. 7, the plastic liner 121 is integrally formed by rotational molding, the inner surface is designed with a taper of 2 degrees, the plastic liner is in interference fit with the sealing ring 105 in the sealing groove 104 at the lower end of the end cover 101 to bear the sealing function, the outer surface is provided with a rubber protrusion, and the plastic liner is matched with the circumferential groove 114 on the axially inner surface of the BOSS structure 111 to realize sealing.
The bottle mouth valve with different sizes can be matched through the structure of the embodiment, and stable connection and good sealing of the bottle mouth position of the IV-type hydrogen storage bottle are achieved through the bottle mouth sealing structure of the BOSS structure.
Examples
Referring to fig. 8-13, in the present embodiment, as shown in fig. 8, the bottle opening sealing assembly includes an end cap 101, a BOSS structure 111 and a plastic liner 121, wherein the end cap 101 is fastened to the BOSS structure 111 by threads, and the BOSS structure 111 is connected to the plastic liner 121 by rotational molding.
Specifically, the upper part of the end cover 101 is fastened and installed with an external bottleneck valve to enhance the sealing reliability of the connection between the end cover 101 and the external bottleneck valve, the upper end surface of the end cover 101 is provided with a sealing groove 12, and an O-shaped sealing ring is arranged in the sealing groove 12.
Specifically, the inner surface of the BOSS structure 111 is provided with a circumferential sealing groove 21, and the outer side thereof is provided with a rotation stopping hole 23.
Specifically, the lower part of the plastic liner 121 is provided with a rotation stopping column 31, the outer side of the upper part of the plastic liner is provided with a trapezoid boss 32, and the upper end part of the plastic liner is provided with a sealing plane 33; the circumferential sealing groove 21 and the trapezoid BOSS 32 are in interference fit to enhance the sealing performance between the BOSS structure 111 and the plastic liner, the rotation stopping hole 23 and the rotation stopping column 31 are in fit arrangement to prevent the BOSS structure 121 and the plastic liner 121 from relative rotation
Specifically, the end cover 101 is tightly connected with the BOSS structure 111 through the internal thread 22 arranged on the inner side of the BOSS structure 111 and the external thread 11 arranged on the outer side of the end cover 101, and the C-shaped metal sealing ring I-1 arranged on the sealing plane 33 at the upper end of the plastic liner 121 and the O-shaped sealing ring II-2 arranged in the annular sealing groove 15 on the lower shaft surface of the end cover 101 are tightly pressed to enhance the leakage-proof performance of the bottle mouth sealing assembly. The plastic liner 121 is formed into a rotation stopping column 31 and a trapezoid BOSS 32 by injection molding, and is matched with a circumferential sealing groove 21 and a rotation stopping hole 23 in the BOSS structure 2 to prevent relative rotation between the BOSS structure 2 and the plastic liner 3.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (10)
1. A BOSS structure bottleneck seal structure for IV type hydrogen storage bottle, its characterized in that: the plastic inner container comprises an end cover, a BOSS structure and a plastic inner container, wherein the end cover is inserted into the BOSS structure and is fixedly connected with the BOSS structure, the BOSS structure is arranged on the upper portion of the plastic inner container and is fixedly connected with the plastic inner container through rotational molding, and sealing elements are arranged at contact surfaces between the end cover and the BOSS structure and between the BOSS structure and the plastic inner container.
2. The bottle mouth sealing structure of a BOSS structure for an IV-type hydrogen storage bottle according to claim 1, which is characterized in that the end cover comprises a limiting part at the upper part and a connecting part at the lower part, and the connecting part is inserted in the BOSS structure and is matched with the upper part of the plastic liner.
3. The bottle mouth sealing structure of the BOSS structure for the IV-type hydrogen storage bottle is characterized in that the outer side face of the connecting portion is provided with an inward inclined taper, and the inner side wall of the upper portion of the plastic liner is provided with an outward inclined taper matched with the taper of the outer side face of the connecting portion.
4. The bottle mouth sealing structure of the BOSS structure for the IV-type hydrogen storage bottle is characterized in that sealing elements are arranged on the upper end face of the end cover limiting part, between the lower end face of the end cover limiting part and the upper end face of the BOSS structure and between the outer side face of the end cover connecting part and the inner side wall of the upper part of the plastic liner.
5. The bottle mouth sealing structure of a BOSS structure for an IV-type hydrogen storage bottle according to claim 4, characterized in that the sealing element comprises a sealing ring, and a retainer ring is further arranged between the outer side surface of the end cover connecting part and the inner side wall of the upper part of the plastic liner, and is used for preventing the sealing ring from sliding under high-pressure hydrogen.
6. The bottle mouth sealing structure of a BOSS structure for an IV-type hydrogen storage bottle according to claim 5, which is characterized in that an annular groove is arranged on the axial inner side wall of the BOSS structure, a rotation stopping platform is arranged on the axial outer side wall of the BOSS structure, and a rotation stopping hole is arranged at the outer side edge of the BOSS structure; the outer surface of the upper end of the plastic liner is provided with a rubber bulge, and the rubber bulge is matched with a circumferential groove on the BOSS structure to realize the sealing between the rubber bulge and the circumferential groove; the outside of BOSS structure is equipped with the carbon fiber layer, it is used for assuming the function of stopping changeing between BOSS structure and the carbon fiber layer to stop changeing the platform.
7. The bottle mouth sealing structure of the BOSS structure for the IV-type hydrogen storage bottle is characterized in that a sealing ring surface is arranged at the lower part of the end cover, the sealing ring surface is sealed with the upper end surface of the plastic liner through a C-shaped metal sealing ring and an O-shaped sealing ring, and the sealing is realized between the outer side surface of the lower part of the end cover and the inner side wall of the upper part of the plastic liner through an O-shaped sealing ring and a retainer ring.
8. The BOSS structure bottle mouth sealing structure for the IV-type hydrogen storage bottle is characterized in that the upper portion of the end cover is fixedly arranged with an external bottle mouth valve, a sealing groove is formed in the upper end face of the end cover, and an O-shaped sealing ring is arranged at the sealing groove.
9. The bottle mouth sealing structure for the type IV hydrogen storage bottle is characterized in that a circumferential sealing groove is formed in the inner surface of the BOSS structure, and a rotation stopping hole is formed in the outer side of the circumferential sealing groove.
10. The bottle mouth sealing structure of a BOSS structure for an IV type hydrogen storage bottle according to claim 9, which is characterized in that a rotation stopping column is arranged at the lower part of the plastic liner, a trapezoid BOSS is arranged at the outer side of the upper part of the plastic liner, and a sealing plane is arranged at the upper end part of the plastic liner; the annular sealing groove is in interference fit with the trapezoid boss, and the rotation stopping hole is matched with the rotation stopping column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310558346.2A CN116293434A (en) | 2023-05-18 | 2023-05-18 | BOSS structure bottle mouth sealing structure for IV-type hydrogen storage bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310558346.2A CN116293434A (en) | 2023-05-18 | 2023-05-18 | BOSS structure bottle mouth sealing structure for IV-type hydrogen storage bottle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116293434A true CN116293434A (en) | 2023-06-23 |
Family
ID=86790981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310558346.2A Pending CN116293434A (en) | 2023-05-18 | 2023-05-18 | BOSS structure bottle mouth sealing structure for IV-type hydrogen storage bottle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116293434A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017215191A1 (en) * | 2017-08-30 | 2019-02-28 | Volkswagen Aktiengesellschaft | Pressure vessel for storing liquid and / or gaseous media |
| JP2020097960A (en) * | 2018-12-17 | 2020-06-25 | 本田技研工業株式会社 | High-pressure tank device and fluid discharge method |
| CN113669617A (en) * | 2021-08-23 | 2021-11-19 | 浙江工业大学 | Fiber winding plastic inner container hydrogen storage cylinder opening structure |
| CN215335756U (en) * | 2021-07-28 | 2021-12-28 | 浙江凯博压力容器有限公司 | High pressure vessel |
| CN215981966U (en) * | 2021-08-11 | 2022-03-08 | 江苏国富氢能技术装备股份有限公司 | Bottleneck structure in plastic inner container carbon fiber full-winding gas cylinder |
| CN114484258A (en) * | 2022-02-18 | 2022-05-13 | 北京化工大学 | IV-type high-barrier plastic-metal end socket structure |
| CN217030783U (en) * | 2022-04-18 | 2022-07-22 | 太原科技大学 | Lining bottleneck seal structure of IV type gas cylinder |
| CN114923121A (en) * | 2022-06-17 | 2022-08-19 | 北京化工大学 | Composite material hydrogen storage bottle mouth structure |
| CN217441357U (en) * | 2022-06-10 | 2022-09-16 | 长城汽车股份有限公司 | Gas storage cylinder and vehicle with same |
| JP2023056875A (en) * | 2021-10-08 | 2023-04-20 | トヨタ自動車株式会社 | Tank fastening structure |
-
2023
- 2023-05-18 CN CN202310558346.2A patent/CN116293434A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102017215191A1 (en) * | 2017-08-30 | 2019-02-28 | Volkswagen Aktiengesellschaft | Pressure vessel for storing liquid and / or gaseous media |
| JP2020097960A (en) * | 2018-12-17 | 2020-06-25 | 本田技研工業株式会社 | High-pressure tank device and fluid discharge method |
| CN215335756U (en) * | 2021-07-28 | 2021-12-28 | 浙江凯博压力容器有限公司 | High pressure vessel |
| CN215981966U (en) * | 2021-08-11 | 2022-03-08 | 江苏国富氢能技术装备股份有限公司 | Bottleneck structure in plastic inner container carbon fiber full-winding gas cylinder |
| CN113669617A (en) * | 2021-08-23 | 2021-11-19 | 浙江工业大学 | Fiber winding plastic inner container hydrogen storage cylinder opening structure |
| JP2023056875A (en) * | 2021-10-08 | 2023-04-20 | トヨタ自動車株式会社 | Tank fastening structure |
| CN114484258A (en) * | 2022-02-18 | 2022-05-13 | 北京化工大学 | IV-type high-barrier plastic-metal end socket structure |
| CN217030783U (en) * | 2022-04-18 | 2022-07-22 | 太原科技大学 | Lining bottleneck seal structure of IV type gas cylinder |
| CN217441357U (en) * | 2022-06-10 | 2022-09-16 | 长城汽车股份有限公司 | Gas storage cylinder and vehicle with same |
| CN114923121A (en) * | 2022-06-17 | 2022-08-19 | 北京化工大学 | Composite material hydrogen storage bottle mouth structure |
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