CN212456247U - Full-composite gas cylinder with plastic liner wound with fibers - Google Patents
Full-composite gas cylinder with plastic liner wound with fibers Download PDFInfo
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- CN212456247U CN212456247U CN202020453828.3U CN202020453828U CN212456247U CN 212456247 U CN212456247 U CN 212456247U CN 202020453828 U CN202020453828 U CN 202020453828U CN 212456247 U CN212456247 U CN 212456247U
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Abstract
The utility model discloses a full compound gas cylinder of plastics inner bag fibre winding, include: the plastic liner is wound and coated with a fiber reinforced layer on the outer side of the plastic liner, the fiber reinforced layer is wound and coated with a fiber protective layer on the outer side of the fiber reinforced layer, a plurality of reinforcing ribs are arranged on the outer surface of the plastic liner, a short fiber combining layer is paved on the surface of a non-rib part on the outer surface of the plastic liner and consists of a plurality of short fiber filaments, each short fiber filament is inserted into the side wall of the plastic liner, the fiber reinforced layer is wound and coated on the outer sides of the short fiber combining layer and the reinforcing ribs, and the exposed part of each short fiber filament is connected with the reinforcing ribs and the outer surface of the plastic liner in a curing mode. In addition, after the plastic liner, the chopped fiber yarns and the fiber reinforced layer are connected through resin curing, the fiber reinforced layer and the plastic liner are not easy to separate.
Description
Technical Field
The utility model relates to a pressure vessel field, concretely relates to full compound gas cylinder of plastics inner bag fibre winding.
Background
The plastic liner fiber winding full-composite gas cylinder is a portable hydrogen storage device, the gas cylinder is mainly used for providing hydrogen for a hydrogen energy automobile, the plastic liner fiber winding full-composite gas cylinder is used for replacing a traditional metal gas cylinder with excellent performances such as light weight, high strength, corrosion resistance and the like, has wide prospect, and the structure of the gas cylinder usually comprises: the plastic liner is provided with a high-strength metal bottle mouth on the bottle mouth, a carbon fiber reinforced layer is wound on the outer side of the plastic liner, and a glass fiber protective layer is wound on the outer side of the carbon fiber reinforced layer. This kind of full compound gas cylinder of plastics inner bag fibre winding is in the use, because the gas cylinder receives the internal pressure change, temperature variation, inner bag material and fiber reinforcement layer coefficient of thermal expansion, elastic modulus difference isopenistic factor influence, the bonding property can the variation in combination interface of plastics inner bag and fiber reinforcement layer to can appear the phenomenon that plastics inner bag and fiber reinforcement layer break away from mutually, even under the gas constantly consumes in the bottle, the phenomenon of inside swell appears in the plastics inner bag, seriously influences the gas cylinder performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the plastic liner fiber winding full-composite gas cylinder has the advantages that the plastic liner and the fiber reinforced layer are not easy to separate, and the inward bulging phenomenon of the plastic liner can be prevented.
In order to solve the above problem, the utility model discloses the technical scheme who adopts does: full compound gas cylinder of plastics inner bag fibre winding includes: plastics inner bag, the outside winding cladding of plastics inner bag has the fibre enhancement layer, and the outside winding cladding of fibre enhancement layer has fibre protective layer, its characterized in that: the outer surface of the plastic liner is provided with a plurality of reinforcing ribs, the surface of a non-rib part on the outer surface of the plastic liner is paved with a chopped fiber bonding layer, the chopped fiber bonding layer is composed of a plurality of chopped fiber yarns arranged side by side, each chopped fiber yarn is inserted into the side wall of the plastic liner, and a fiber reinforcing layer is wound and coated on the outer sides of the chopped fiber bonding layer and the reinforcing ribs and is in curing connection with the exposed part of each chopped fiber yarn, the reinforcing ribs and the outer surface of the plastic liner through resin.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: the length of the inserted portion of each chopped strand filament is not less than the length of the exposed portion.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: the reinforcing rib and the plastic liner are integrally formed.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: all strengthening ribs encircle plastic inner bag axial arrangement to evenly arrange on plastic inner bag surface.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: the reinforcing ribs can also be uniformly arranged on the outer surface of the plastic liner in the same radial direction around the plastic liner.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: the fiber reinforced layer and the chopped fiber combined layer adopt the same fiber.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: each chopped fiber filament is inserted into the side wall of the plastic inner container in a soaking and melting mode.
Further, the plastic inner container fiber winding full composite gas cylinder comprises: the exposed part of each chopped fiber is slightly higher than the reinforcing rib or is as high as the reinforcing rib.
The utility model has the advantages that: in addition, after the plastic liner, the chopped fiber yarns, the fiber reinforced layer and the reinforcing ribs are connected through resin curing, the fiber reinforced layer and the plastic liner can be connected more firmly in a combined manner, so that the fiber reinforced layer and the plastic liner are not easy to separate.
Drawings
Fig. 1 is a structural schematic diagram of a full-composite gas cylinder with a plastic inner container wound by fibers.
Fig. 2 is an enlarged schematic view of a portion a in fig. 1.
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 and 2, the plastic liner fiber-wrapped all-composite gas cylinder comprises: the outer side of the plastic liner 1 is wrapped with a fiber reinforced layer 2 in a winding manner, the outer side of the fiber reinforced layer 2 is wrapped with a fiber protective layer 3 in a winding manner, four reinforcing ribs 4 are arranged on the outer surface of the plastic liner 1, the four reinforcing ribs 4 are all arranged around the plastic liner 1 in the axial direction, the four reinforcing ribs 4 are evenly arranged on the outer surface of the plastic liner 1, and in practical application, the four reinforcing ribs 4 can also be all arranged around the plastic liner 1 in the same radial direction and evenly arranged on the outer surface of the plastic liner 1; in the embodiment, the reinforcing rib 4 and the plastic liner 1 are integrally formed; the non-rib part surface of the outer surface of the plastic liner 1 is paved with a chopped fiber bonding layer, the chopped fiber bonding layer is composed of a plurality of chopped fiber filaments 5 which are arranged side by side, each chopped fiber filament 5 is inserted into the side wall of the plastic liner 1, and the fiber reinforcing layer 2 is wound and coated on the outer sides of the chopped fiber bonding layer and the reinforcing rib 4 and is connected with the exposed part of each chopped fiber filament 5, the reinforcing rib 4 and the outer surface of the plastic liner 1 in a curing way through resin 6.
In this embodiment, the length of the inserted portion of each chopped fiber filament 5 is not less than the length of the exposed portion, which is provided to ensure that the chopped fiber filaments 5 are connected with the plastic liner 1 more firmly. The fiber reinforced layer 2 and the chopped fiber bonding layer adopt the same fiber, and the arrangement is to improve the utilization rate of materials and reduce the cost. Each chopped fiber 5 is inserted into the side wall of the plastic liner 1 in a soaking way, and the chopped fiber 5 and the plastic liner 1 are firmly combined by adopting hot melting. The exposed part of each chopped fiber 5 is slightly higher than the reinforcing rib 4 or is as high as the reinforcing rib 4, so that the chopped fiber 5 around the reinforcing rib 4 is prevented from being not well solidified and connected with the fiber reinforced layer 2 because the chopped fiber 5 is lower than the reinforcing rib 4.
Claims (8)
1. Full compound gas cylinder of plastics inner bag fibre winding includes: plastics inner bag, the outside winding cladding of plastics inner bag has the fibre enhancement layer, and the outside winding cladding of fibre enhancement layer has fibre protective layer, its characterized in that: the outer surface of the plastic liner is provided with a plurality of reinforcing ribs, the surface of a non-rib part on the outer surface of the plastic liner is paved with a chopped fiber bonding layer, the chopped fiber bonding layer is composed of a plurality of chopped fiber yarns arranged side by side, each chopped fiber yarn is inserted into the side wall of the plastic liner, and a fiber reinforcing layer is wound and coated on the outer sides of the chopped fiber bonding layer and the reinforcing ribs and is in curing connection with the exposed part of each chopped fiber yarn, the reinforcing ribs and the outer surface of the plastic liner through resin.
2. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1, characterized in that: the length of the inserted portion of each chopped strand filament is not less than the length of the exposed portion.
3. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1 or 2, characterized in that: the reinforcing rib and the plastic liner are integrally formed.
4. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1 or 2, characterized in that: all strengthening ribs encircle plastic inner bag axial arrangement to evenly arrange on plastic inner bag surface.
5. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1 or 2, characterized in that: all the reinforcing ribs are arranged in the same radial direction around the plastic liner and are uniformly arranged on the outer surface of the plastic liner.
6. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1 or 2, characterized in that: the fiber reinforced layer and the chopped fiber combined layer adopt the same fiber.
7. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1 or 2, characterized in that: each chopped fiber filament is inserted into the side wall of the plastic inner container in a soaking and melting mode.
8. The plastic liner fiber-wrapped all-composite gas cylinder according to claim 1 or 2, characterized in that: the exposed part of each chopped fiber is slightly higher than the reinforcing rib or is as high as the reinforcing rib.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453828.3U CN212456247U (en) | 2020-04-01 | 2020-04-01 | Full-composite gas cylinder with plastic liner wound with fibers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020453828.3U CN212456247U (en) | 2020-04-01 | 2020-04-01 | Full-composite gas cylinder with plastic liner wound with fibers |
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| Publication Number | Publication Date |
|---|---|
| CN212456247U true CN212456247U (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020453828.3U Active CN212456247U (en) | 2020-04-01 | 2020-04-01 | Full-composite gas cylinder with plastic liner wound with fibers |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383037A (en) * | 2021-12-22 | 2022-04-22 | 连云港神鹰复合材料科技有限公司 | Preparation method of air cylinder made of carbon fiber composite material |
| CN114923111A (en) * | 2022-06-15 | 2022-08-19 | 江苏国富氢能技术装备股份有限公司 | Vehicle-mounted high-pressure gas storage cylinder and manufacturing method thereof |
-
2020
- 2020-04-01 CN CN202020453828.3U patent/CN212456247U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114383037A (en) * | 2021-12-22 | 2022-04-22 | 连云港神鹰复合材料科技有限公司 | Preparation method of air cylinder made of carbon fiber composite material |
| CN114383037B (en) * | 2021-12-22 | 2023-08-11 | 连云港神鹰复合材料科技有限公司 | Preparation method of carbon fiber composite material air cylinder |
| CN114923111A (en) * | 2022-06-15 | 2022-08-19 | 江苏国富氢能技术装备股份有限公司 | Vehicle-mounted high-pressure gas storage cylinder and manufacturing method thereof |
| CN114923111B (en) * | 2022-06-15 | 2024-03-29 | 江苏国富氢能技术装备股份有限公司 | Vehicle-mounted high-pressure gas storage bottle and manufacturing method thereof |
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