CN210372854U - Plastic inner container carbon fiber fully-wound hydrogen storage cylinder opening structure - Google Patents
Plastic inner container carbon fiber fully-wound hydrogen storage cylinder opening structure Download PDFInfo
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- CN210372854U CN210372854U CN201920758782.3U CN201920758782U CN210372854U CN 210372854 U CN210372854 U CN 210372854U CN 201920758782 U CN201920758782 U CN 201920758782U CN 210372854 U CN210372854 U CN 210372854U
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Abstract
The utility model discloses a plastics inner bag carbon fiber twines hydrogen storage cylinder bottleneck structure entirely, include: install the metal bottleneck on the plastics inner bag bottleneck, the metal bottleneck comprises metal annular shell and metal annular inside lining, metal annular shell fastening suit is on the plastics inner bag bottleneck, and be equipped with the cover shape presser foot that can laminate mutually with the plastics inner bag on the inner of metal annular shell, metal annular inside lining comprises linkage segment and seal segment coaxial coupling, the seal segment of metal annular inside lining inserts in the plastics inner bag bottleneck with plastics inner bag bottleneck looks interference fit, be equipped with the round seal groove on the outer lane lateral wall of seal segment at least, all overlap and be equipped with O type circle and retaining ring in every circle seal groove, metal annular inside lining linkage segment passes through external screw thread and metal annular shell outer end threaded connection, be equipped with the internal thread on the inner circle lateral wall of linkage segment, in on the linkage segment, the opposite arrangement of the soon of external screw thread. The sealing performance of the opening structure of the hydrogen storage cylinder is excellent.
Description
Technical Field
The utility model relates to a hydrogen storage device field, concretely relates to bottleneck structure of plastics inner bag carbon fiber full winding hydrogen storage cylinder.
Background
The full winding hydrogen storage cylinder of plastics inner bag carbon fiber is a portable hydrogen storage equipment, and this kind of hydrogen storage cylinder mainly used provides hydrogen for hydrogen energy source car, and this full winding of plastics inner bag carbon fiber hydrogen storage cylinder's structure includes usually: the plastic liner is provided with a high-strength metal bottle mouth on the bottle mouth of the plastic liner, the metal bottle mouth is usually used for being connected with a bottle mouth valve, the outer side of the plastic liner is wound with a carbon fiber material, and the outer side of the carbon fiber material is wound with a glass fiber material. The utility model discloses a current utility model patent of application number CN201721786654.7, this utility model patent disclose a bottleneck bottle tail structure of high-pressure gas bomb, and the metal bottleneck in this kind of bottleneck bottle tail structure adopts threaded connection with the bottleneck of plastics inner bag, and under highly compressed condition, threaded connection easily exists sealed not tight possibility, so at hydrogen storage in-process, hydrogen is easy to be through the junction between metal bottleneck and the plastics inner bag bottleneck and laminating department outwards leaks.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: provides a carbon fiber fully-wound hydrogen storage cylinder mouth structure with a plastic liner and excellent sealing performance.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: a plastic inner container carbon fiber full-winding hydrogen storage cylinder opening structure comprises: install the metal bottleneck on the plastics inner bag bottleneck, its characterized in that: the metal bottle mouth is composed of a metal annular shell and a metal annular lining, the metal annular shell is tightly sleeved on the bottle mouth of the plastic liner, a cover-shaped presser foot capable of being attached to the plastic liner is arranged at the inner end of the metal annular shell, the metal annular shell is wrapped by carbon fiber in a winding mode through the cover-shaped presser foot and fixed with the bottle mouth of the plastic liner, the outer end of the metal annular shell is higher than the bottle mouth of the plastic liner after fixing is finished, the metal annular lining is composed of a connecting section and a sealing section which is positioned on the inner side of the connecting section in a coaxial connection mode, the outer diameter of the connecting section is larger than the outer diameter of the sealing section, the sealing section of the metal annular lining is inserted into the bottle mouth of the plastic liner and in interference fit with the bottle mouth of the plastic liner, at least one circle of sealing grooves is arranged on the side wall of the outer ring of the sealing section, and an O-shaped ring, the retaining ring can block O type circle for O type circle can not extrude the seal groove by high pressure hydrogen and lead to sealed inefficacy, and metal annular inside lining linkage segment is through external screw thread and the outer end threaded connection of metal annular shell on its outer lane lateral wall, and the linkage segment leans on with the outer terminal surface counterbalance of plastics inner bag bottleneck, sets up the internal thread that is used for installing the bottleneck valve on the inner circle lateral wall of linkage segment, and the internal thread on the linkage segment and the revolve to arranging in the opposite direction of external screw thread.
Further, aforementioned plastic inner container carbon fiber full winding hydrogen storage cylinder bottleneck structure, wherein: two circles of sealing grooves are arranged on the side wall of the outer ring of the sealing section.
Further, aforementioned plastic inner container carbon fiber full winding hydrogen storage cylinder bottleneck structure, wherein: and the outer end face of the metal annular lining connecting section is provided with a mounting hole for exerting force when the metal annular lining is rotated.
Further, aforementioned plastic inner container carbon fiber full winding hydrogen storage cylinder bottleneck structure, wherein: an annular non-metal gasket is also clamped between the metal annular shell and the plastic liner bottle mouth.
Further, aforementioned plastic inner container carbon fiber full winding hydrogen storage cylinder bottleneck structure, wherein: the side wall of the outer ring of the non-metal gasket protrudes outwards to form an arc shape.
Further, aforementioned plastic inner container carbon fiber full winding hydrogen storage cylinder bottleneck structure, wherein: the metal annular shell is also in threaded connection with a locking screw, and the locking screw can be pushed against the connecting section of the metal annular lining after rotating and moving inwards, so that the metal annular lining can be prevented from loosening.
Further, aforementioned plastic inner container carbon fiber full winding hydrogen storage cylinder bottleneck structure, wherein: the internal thread on the metal annular lining connecting section is a right-hand thread.
The utility model has the advantages that: plastics inner bag carbon fiber full winding hydrogen storage cylinder bottleneck structure have divided into two parts of metal annular shell and metal annular inside lining with the metal bottleneck, the seal segment of metal annular inside lining inserts to the plastics inner bag bottleneck in to be provided with between seal segment and plastics inner bag bottleneck and be used for sealed O type circle, thereby can block hydrogen and leak from the junction between metal bottleneck and the plastics inner bag bottleneck, just so improved the sealing performance of hydrogen storage cylinder bottleneck greatly.
Drawings
Fig. 1 is a schematic structural diagram of a carbon fiber fully-wound hydrogen storage cylinder mouth structure with a plastic liner.
Detailed Description
The present invention will be described in further detail with reference to the following detailed description and accompanying drawings.
As shown in fig. 1, a carbon fiber fully-wound hydrogen storage cylinder mouth structure with a plastic liner comprises: the metal bottle mouth 1 is arranged on the bottle mouth of the plastic liner 9, the metal bottle mouth 1 consists of a metal annular shell 2 and a metal annular lining 3, the metal annular shell 2 is tightly sleeved on the bottle mouth of the plastic liner 9, a cover-shaped presser foot 21 which can be attached to the plastic liner 9 is arranged at the inner end of the metal annular shell 2, the metal annular shell 2 is wound and wrapped by carbon fibers 91 through the cover-shaped presser foot 21 and is fixed with the bottle mouth of the plastic liner 9, and the tail end of the cover-shaped presser foot 21 is arranged in a flattened mode, so that the tail end of the cover-shaped presser foot 21 can be in smooth transition with the plastic liner 9, and the carbon fibers 91 can be wound flatly; the outer end of the metal annular shell 2 is higher than the bottle mouth of the plastic inner container 9 after the fixing is finished, the metal annular lining 3 is formed by coaxially connecting a connecting section 31 and a sealing section 32 positioned on the inner side of the connecting section 31, the outer diameter of the connecting section 31 is larger than the outer diameter of the sealing section 32, the sealing section 32 of the metal annular lining 3 is inserted into the bottle mouth of the plastic inner container 9 to be in interference fit with the bottle mouth of the plastic inner container 9, two rings of sealing grooves 321 are arranged on the outer ring side wall of the sealing section 32, an O-shaped ring 323 capable of sealing the space between the sealing section 32 and the bottle mouth of the plastic inner container 9 and a retainer ring 322 positioned on the outer side of the O-shaped ring 323 are sleeved in each ring of sealing grooves 321, the retainer ring 322 can block the O-shaped ring 323, so that the O-shaped ring 323 cannot be extruded out of the sealing groove 321 by high-pressure hydrogen to, and the connecting section 31 is abutted against the outer end face of the bottle opening of the plastic liner 9, an inner thread for installing the bottle opening valve is arranged on the side wall of the inner ring of the connecting section 31, the rotating directions of the inner thread and the outer thread on the connecting section 31 are arranged oppositely, in the embodiment, the inner thread on the metal annular lining connecting section 31 is a right-handed thread, and the arrangement is so that the installation of the bottle opening valve accords with the installation habit of clockwise screwing.
In the present embodiment, a mounting hole 311 for exerting force when rotating the metal annular liner 3 is provided on the outer end face of the metal annular liner 3 connecting section 31. The rotary tool is forcibly driven by being inserted into the mounting hole 311 so that the metal annular liner 3 can be tightened.
In addition, still accompany annular non-metallic gasket 4 between metal annular shell 2 and the 9 bottleneck of plastics inner bag, non-metallic gasket 4 outer lane lateral wall is the arc outwards protrusion, and non-metallic gasket 4 can be the rubber material. After the non-metal gasket 4 is arranged, on one hand, the bottle mouth of the plastic liner 9 can be abutted against the sealing section 32 more tightly, so that better sealing can be realized; on the other hand, the bottle mouth between the metal annular shell 2 and the plastic liner 9 can be sealed.
The metal annular shell 2 is also in threaded connection with a locking screw 5, and the locking screw 5 can be pressed against the connecting section 31 of the metal annular lining 3 after rotating and moving inwards, so that the metal annular lining 3 can be prevented from loosening.
Claims (7)
1. A plastic inner container carbon fiber full-winding hydrogen storage cylinder opening structure comprises: install the metal bottleneck on the plastics inner bag bottleneck, its characterized in that: the metal bottle mouth is composed of a metal annular shell and a metal annular lining, the metal annular shell is tightly sleeved on the bottle mouth of the plastic liner, a cover-shaped presser foot capable of being attached to the plastic liner is arranged at the inner end of the metal annular shell, the metal annular shell is wrapped by carbon fiber in a winding mode through the cover-shaped presser foot and fixed with the bottle mouth of the plastic liner, the outer end of the metal annular shell is higher than the bottle mouth of the plastic liner after fixing is finished, the metal annular lining is composed of a connecting section and a sealing section which is positioned on the inner side of the connecting section in a coaxial connection mode, the outer diameter of the connecting section is larger than the outer diameter of the sealing section, the sealing section of the metal annular lining is inserted into the bottle mouth of the plastic liner and in interference fit with the bottle mouth of the plastic liner, at least one circle of sealing grooves is arranged on the side wall of the outer ring of the sealing section, and an O-shaped ring, the retaining ring can block O type circle for O type circle can not extrude the seal groove by high pressure hydrogen and lead to sealed inefficacy, and metal annular inside lining linkage segment is through external screw thread and the outer end threaded connection of metal annular shell on its outer lane lateral wall, and the linkage segment leans on with the outer terminal surface counterbalance of plastics inner bag bottleneck, sets up the internal thread that is used for installing the bottleneck valve on the inner circle lateral wall of linkage segment, and the internal thread on the linkage segment and the revolve to arranging in the opposite direction of external screw thread.
2. The carbon fiber fully-wound hydrogen storage cylinder opening structure with the plastic inner container as claimed in claim 1, is characterized in that: two circles of sealing grooves are arranged on the side wall of the outer ring of the sealing section.
3. The carbon fiber fully-wound hydrogen storage cylinder opening structure with the plastic inner container as claimed in claim 1, is characterized in that: and the outer end face of the metal annular lining connecting section is provided with a mounting hole for exerting force when the metal annular lining is rotated.
4. The carbon fiber fully-wound hydrogen storage cylinder opening structure with the plastic inner container as claimed in claim 1, is characterized in that: an annular non-metal gasket is also clamped between the metal annular shell and the plastic liner bottle mouth.
5. The carbon fiber fully-wound opening structure of the hydrogen storage cylinder with the plastic inner container according to claim 4, which is characterized in that: the side wall of the outer ring of the non-metal gasket protrudes outwards to form an arc shape.
6. The carbon fiber fully-wound hydrogen storage cylinder opening structure with the plastic inner container as claimed in claim 1, is characterized in that: the metal annular shell is also in threaded connection with a locking screw, and the locking screw can be pushed against the connecting section of the metal annular lining after rotating and moving inwards, so that the metal annular lining can be prevented from loosening.
7. The carbon fiber fully-wound hydrogen storage cylinder opening structure with the plastic inner container as claimed in claim 1, is characterized in that: the internal thread on the metal annular lining connecting section is a right-hand thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758782.3U CN210372854U (en) | 2019-05-24 | 2019-05-24 | Plastic inner container carbon fiber fully-wound hydrogen storage cylinder opening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920758782.3U CN210372854U (en) | 2019-05-24 | 2019-05-24 | Plastic inner container carbon fiber fully-wound hydrogen storage cylinder opening structure |
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| Publication Number | Publication Date |
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| CN210372854U true CN210372854U (en) | 2020-04-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920758782.3U Active CN210372854U (en) | 2019-05-24 | 2019-05-24 | Plastic inner container carbon fiber fully-wound hydrogen storage cylinder opening structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107798A (en) * | 2019-05-24 | 2019-08-09 | 江苏国富氢能技术装备有限公司 | A kind of plastic inner container carbon fiber winds hydrogen storage cylinder bottleneck structure entirely |
| 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 |
| CN112197164A (en) * | 2020-09-30 | 2021-01-08 | 新启时代(北京)材料科技有限公司 | Reinforced plastic liner winding hydrogen storage bottle and winding method |
| CN113188039A (en) * | 2021-06-02 | 2021-07-30 | 合肥工业大学 | Plastic inner container composite gas cylinder joint |
-
2019
- 2019-05-24 CN CN201920758782.3U patent/CN210372854U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110107798A (en) * | 2019-05-24 | 2019-08-09 | 江苏国富氢能技术装备有限公司 | A kind of plastic inner container carbon fiber winds hydrogen storage cylinder bottleneck structure entirely |
| 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 |
| CN112197164A (en) * | 2020-09-30 | 2021-01-08 | 新启时代(北京)材料科技有限公司 | Reinforced plastic liner winding hydrogen storage bottle and winding method |
| CN112197164B (en) * | 2020-09-30 | 2022-02-11 | 新启时代(北京)材料科技有限公司 | Reinforced plastic liner winding hydrogen storage bottle and winding method |
| CN113188039A (en) * | 2021-06-02 | 2021-07-30 | 合肥工业大学 | Plastic inner container composite gas cylinder joint |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 215600 No. 236, Guotai North Road, Zhangjiagang City, Suzhou City, Jiangsu Province Patentee after: Jiangsu Guofu hydrogen energy technology equipment Co.,Ltd. Address before: 215600 19 Fuxin (Chenxin) road, yangshe Town, Zhangjiagang City, Jiangsu Province Patentee before: Jiangsu Guofu Hydrogen Energy Technology Equipment Co.,Ltd. |
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| CP03 | Change of name, title or address |