CN102840440A - Plastic liner wound cylinder and manufacturing process - Google Patents
Plastic liner wound cylinder and manufacturing process Download PDFInfo
- Publication number
- CN102840440A CN102840440A CN2012103162742A CN201210316274A CN102840440A CN 102840440 A CN102840440 A CN 102840440A CN 2012103162742 A CN2012103162742 A CN 2012103162742A CN 201210316274 A CN201210316274 A CN 201210316274A CN 102840440 A CN102840440 A CN 102840440A
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- moulding
- inner bag
- bottleneck
- plastics inner
- metal
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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
- F17C2205/00—Vessel construction, in particular mounting arrangements, attachments or identifications means
- F17C2205/03—Fluid connections, filters, valves, closure means or other attachments
- F17C2205/0302—Fittings, valves, filters, or components in connection with the gas storage device
- F17C2205/0305—Bosses, e.g. boss collars
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to a plastic liner wound cylinder for liquefied petroleum gas, in particular to a plastic liner wound cylinder and a manufacturing process. The plastic liner wound cylinder comprises a metal bottle opening. An injection molding piece is arranged outside the metal bottle opening. The metal bottle opening and the injection molding piece are identical in vertical height. A circular bump is arranged outside the lower of the metal bottle opening. The upper surface of the circular bump is a downwards-inclined surface. The injection moulding piece is circular. The shape of the inner side of the circle is matched with that of the outer side of the metal bottle opening. The position of the injection molding piece, relative to the circular bump, is provided with an outer edge body. The upper surface of the outer edge body is a downwards-inclined surface. The thickness of the outer edge body is radially and gradually reduced to 3-20mm. An embedded ring is arranged on the lower surface of the outer edge body. Seal rings are arranged on both sides of the embedded ring. The outer side surface below the outer edge body of the injection molding piece is a blow molding plastic liner. A winding layer is arranged above the outer edge body. The winding layer is distributed at the outer side of the plastic liner to fasten the plastic liner and the metal bottle opening.
Description
Technical field
The present invention relates to a kind of holding bottle of liquefied petroleum, relate in particular to a kind of plastics inner bag winding gas cylinder and manufacturing process thereof.
Background technique
Excellent properties such as plastics inner bag winding gas cylinder is in light weight with it, intensity is high, corrosion-resistant have broad prospects in order to substitute traditional metal gas cylinder.But receive the restriction of plastics self intensity; The air outlet of plastics inner bag gas cylinder is processed by metallic material usually; Because the modulus and the rates of thermal expansion of two kinds of materials differ greatly, and make the binding site of two kinds of materials when suffering cyclic loading, can occur the crack because of rigidity is discontinuous; Under the effect of ambient temperature, can produce thermal stress, also can make the connecting part crackle occur, thereby cause gas cylinder gas leakage.
Sealing force between the metal bottle neck of existing plastics inner bag winding gas cylinder on the market is to lean on the power that forms naturally in the moulding, is difficult to control, often causes sealing reliability not enough, is easy to generate leakage.Complicated, the complex technical process of accessory structure has reduced manufacturing efficiency simultaneously.
Summary of the invention
It is not enough to the present invention is directed in the existing technology plastics inner bag winding gas cylinder bottleneck sealing reliability, is easy to generate the deficiency of leakage, and a kind of novel plastics inner bag winding gas cylinder and manufacturing process thereof are provided.
In order to solve the problems of the technologies described above, the present invention is able to solve through following technical proposals:
Plastics inner bag winding gas cylinder comprises body and bottleneck, and bottleneck comprises the metal bottleneck; Metal bottleneck outside is provided with moulding, metal bottleneck and moulding vertically highly consistent, and the outside, below of metal bottleneck is provided with annular boss; The annular boss upper surface is the inclined-plane that dips down, and moulding is circular, and the outer shape of inboard shape of annulus and metal bottleneck is coincide; The top of the relative annular boss of moulding is provided with the outer body, the upper surface of the outer body inclined-plane that dips down, and the outer body is reduced to 3mm-20mm gradually with radial thickness; The lower surface of outer body is provided with and embeds ring, and the both sides that embed ring are provided with seal ring, and the outer side surface of the below of the outer body of moulding is the plastics inner bag of blowing; Body top, outer is provided with winding layer, and winding layer is distributed in the plastics inner bag outside, with tight-lipped solid being in the same place of plastics inner bag and metal bottle.Whole finish portion only contains metalwork and the moulding that one is made, and does not have other Component, has reduced the manufacturing of part, and the cooperation space of avoiding a plurality of parts to produce causes gas leakage, has reduced the technology of installation and processing.
The bottleneck of whole plastics inner bag winding gas cylinder is only combined by metal bottleneck and moulding, has reduced the installation of Component, and moulding is molding and forming, and the error of having avoided size makes that cooperation between the two is tightr.The metal bottleneck is consistent with the moulding height, and the outside of metal bottleneck all is enclosed with moulding, makes the stressed more even of metal bottleneck, better tightness.Annular boss is embedded into the inboard of moulding, makes that combination between the two is more tight, and the upper surface of inclination makes that moulding can be because the spring-back force of plastic deformation makes that contact is more tight in shaping plasticized process.The annular boss of the outer body complexed metal bottleneck of moulding stretches out, and makes moulding thickness everywhere approximately consistent, makes stress equalization.The embedding ring of outer body lower surface is used to connect the injection moulding inner bag, makes that being connected of injection moulding inner bag and bottleneck is tightr.The attenuation gradually of the thickness of outer boss is thinned to 3mm-20mm always, and concrete thickness is according to the size decision of winding gas cylinder.The arrangement of seal ring makes that the tightness of whole bottle is better.Outer field winding layer makes whole winding gas cylinder as an incorporate gas cylinder, improves the anti-pressure ability and the sealing of gas cylinder.
As preferably, the upper outer of metal bottleneck is provided with the outer protrusion.The protrusion of outer is embedded in the moulding, makes that chimeric connection between the two is tightr, can not occur getting loose.
As preferably, the upper outer of moulding is provided with the outer protrusion.The outer protrusion has here guaranteed that along with radially abduction is protruded in the outer of metal bottleneck bottle mouth position forms the plan view of N limit shape under the consistent situation of moulding thickness answer everywhere, and it is convenient more to make bottleneck and other accessories install when cooperating.
As preferably, form bottleneck between the outer of the upper outer of moulding protrusion and the winding layer.Convenient carrying and fastening is convenient to be connected with other equipment.
As preferably, the interior side-lower radial dimension of metal bottleneck is less than the top radial dimension.Metal bottleneck inboard need be connected with other equipment, and it is enough big to make Inner Dimension reserve.
As preferably, the inside front of metal bottleneck is provided with internal thread.Be used to connect other equipment.
Make the technology of above-mentioned arbitrary described plastics inner bag winding gas cylinder; The metal bottleneck is placed in the mold cavity of injection machine, moulding directly is a tight fit in the metal bottleneck through molding and forming, and then the product of injection formed is seated on the blow-moulding machine; And seal ring is enclosed within the embedding ring both sides of moulding respectively; Accomplish the blow moulding and forming of plastics inner bag, at last winding layer is wound into the plastics inner bag outside, and the fastening metal bottleneck.Whole process flow is simple, does not need artificial cooperation to install, and has avoided the appearance of alignment error.
According to the plastics inner bag winding gas cylinder of technological scheme of the present invention, the accessory part of bottleneck is few, and the sealing of bottle mouth of gas cylinder is high, and bottleneck is difficult for producing leakage.
Description of drawings
Fig. 1 is the half sectional view in the front of plastics inner bag winding gas cylinder of the present invention.
Fig. 2 is the bottleneck front half sectional view of plastics inner bag winding gas cylinder of the present invention.
Fig. 3 is the metal bottleneck front half sectional view of plastics inner bag winding gas cylinder of the present invention.
Fig. 4 is the moulding front half sectional view of plastics inner bag winding gas cylinder of the present invention.
Fig. 5 is the partial enlarged view among Fig. 2.
Embodiment
Below in conjunction with accompanying drawing 1-5 and embodiment the present invention is described in further detail:
Plastics inner bag winding gas cylinder comprises body and bottleneck, and bottleneck comprises metal bottleneck 1; Metal bottleneck 1 outside is provided with moulding 2, metal bottleneck 1 and moulding 2 vertically highly consistent, and the outside, below of metal bottleneck 1 is provided with annular boss 11; Annular boss 11 upper surfaces are the inclined-plane that dips down, and moulding 2 is circular, and the outer shape of inboard shape of annulus and metal bottleneck 1 is coincide; The top of moulding 2 relative annular boss 11 is provided with outer body 21, the upper surface of outer body 21 inclined-plane that dips down, outer body 21 be reduced to 3mm-20mm gradually with outer thickness radially; The lower surface of outer body 21 is provided with and embeds ring 22; The both sides that embed ring 22 are provided with seal ring 5, and the outer side surface of the below of the outer body 21 of moulding 2 is the plastics inner bag 3 of blowing, and body 21 tops in outer are provided with winding layer 4; Winding layer 4 is distributed in plastics inner bag 3 outsides, and plastics inner bag 3 and metal bottleneck 1 are tightened together.
The interior side-lower radial dimension of metal bottleneck 1 is less than the top radial dimension.The inside front that belongs to bottleneck 1 is provided with internal thread.The upper outer of metal bottleneck 1 is provided with the outer protrusion.The upper outer of moulding 2 is provided with outer protrusion 23, forms bottleneck 6 between the outer protrusion 23 of the upper outer of moulding 2 and the winding layer 4.
Make the technology of above-mentioned arbitrary described plastics inner bag winding gas cylinder; Metal bottleneck 1 is placed in the mold cavity of injection machine, moulding directly is a tight fit in metal bottleneck 1 through molding and forming, and then the product of injection formed is seated on the blow-moulding machine; And the embedding that seal ring 5 is enclosed within moulding 2 respectively encircled 22 both sides; Accomplish the blow moulding and forming of plastics inner bag 3, at last winding layer 4 is wound into plastics inner bag 3 outsides, and the fastening metal bottleneck.
In a word, the above is merely preferred embodiment of the present invention, and all equalizations of doing according to claim of the present invention change and modify, and all should belong to the covering scope of patent of the present invention.
Claims (7)
1. plastics inner bag winding gas cylinder comprises body and bottleneck, and bottleneck comprises metal bottleneck (1); Metal bottleneck (1) outside is provided with moulding (2), it is characterized in that: metal bottleneck (1) and moulding (2) vertically highly consistent, and the outside, below of metal bottleneck (1) is provided with annular boss (11); Annular boss (11) upper surface is the inclined-plane that dips down; Moulding (2) is circular, and the outer shape of inboard shape of annulus and metal bottleneck (1) is coincide, and moulding (2) top of annular boss (11) relatively is provided with outer body (21); The upper surface of outer body (21) inclined-plane that dips down; Outer body (21) is reduced to 3mm-20mm gradually with radial thickness, and the lower surface of outer body (21) is provided with and embeds ring (22), and the both sides that embed ring (22) are provided with seal ring (5); The outer side surface of the below of the outer body (21) of moulding (2) is the plastics inner bag (3) of blowing; Outer body (21) top is provided with winding layer (4), and winding layer (4) is distributed in plastics inner bag (3) outside, and plastics inner bag (3) and metal bottleneck (1) are tightened together.
2. plastics inner bag winding gas cylinder according to claim 1 is characterized in that: the upper outer of metal bottleneck (1) is provided with the outer protrusion.
3. plastics inner bag winding gas cylinder according to claim 1 is characterized in that: the upper outer of moulding (2) is provided with outer protrusion (23).
4. according to claim 1 or 3 described plastics inner bag winding gas cylinders, it is characterized in that: form bottleneck (6) between the outer protrusion (23) of the upper outer of moulding (2) and the winding layer (4).
5. plastics inner bag winding gas cylinder according to claim 1 is characterized in that: the interior side-lower radial dimension of metal bottleneck (1) is less than the top radial dimension.
6. plastics inner bag winding gas cylinder according to claim 5 is characterized in that: the inside front of metal bottleneck (1) is provided with internal thread.
7. make the above the technology of plastics inner bag winding gas cylinder of above-mentioned arbitrary claim; It is characterized in that: metal bottleneck (1) is placed in the mold cavity of injection machine; Moulding directly is a tight fit in metal bottleneck (1) through molding and forming; And then the product of injection formed is seated on the blow-moulding machine, and seal ring (5) is enclosed within embedding ring (22) both sides of moulding (2) respectively, accomplish the blow moulding and forming of plastics inner bags (3); At last winding layer (4) is wound into plastics inner bag (3) outside, and fastening metal bottleneck (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316274.2A CN102840440B (en) | 2012-08-31 | 2012-08-31 | Plastic liner wound cylinder and manufacturing process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210316274.2A CN102840440B (en) | 2012-08-31 | 2012-08-31 | Plastic liner wound cylinder and manufacturing process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102840440A true CN102840440A (en) | 2012-12-26 |
| CN102840440B CN102840440B (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210316274.2A Active CN102840440B (en) | 2012-08-31 | 2012-08-31 | Plastic liner wound cylinder and manufacturing process |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196031A (en) * | 2013-04-10 | 2013-07-10 | 威海百晟达机械设备有限公司 | Filament-wound composite high-pressure gas cylinder with liner formed by welding high polymer material and manufacturing method thereof |
| CN105729842A (en) * | 2016-03-25 | 2016-07-06 | 哈尔滨理工大学 | Forming process and device for composite LPG gas cylinder |
| CN106005687A (en) * | 2016-05-19 | 2016-10-12 | 张振宇 | Bottle with blowing molded inner container and solid wood package |
| CN106838602A (en) * | 2017-01-19 | 2017-06-13 | 安徽绿动能源有限公司 | A kind of metal bottleneck structure and LPG gas cylinders |
| CN106870930A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of manufacture method of LPG gas cylinders |
| CN108843965A (en) * | 2018-05-07 | 2018-11-20 | 安徽绿动能源有限公司 | The encapsulating method of the plastic inner container bottleneck of the full wound form composite cylinder of fiber |
| CN109654369A (en) * | 2019-01-10 | 2019-04-19 | 利宾来塑胶工业（深圳）有限公司 | A kind of sealing structure of bottle mouth of gas cylinder |
| CN110005934A (en) * | 2017-12-27 | 2019-07-12 | 丰田自动车株式会社 | Tank |
| CN113154678A (en) * | 2020-12-31 | 2021-07-23 | 青岛经济技术开发区海尔热水器有限公司 | Inner container for electric water heater, electric water heater and processing method of inner container |
| CN115401927A (en) * | 2022-08-12 | 2022-11-29 | 佛山仙湖实验室 | Gas cylinder plastic liner with embedded metal seal and preparation method thereof |
| US11668436B2 (en) * | 2018-11-30 | 2023-06-06 | Lotte Chemical Corporation | Pressure vessel boss and pressure vessel having same |
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| CN1074281A (en) * | 1992-01-10 | 1993-07-14 | 布伦瑞克公司 | The improved mouth of pipe of filament winding pressing pressure container |
| US5429845A (en) * | 1992-01-10 | 1995-07-04 | Brunswick Corporation | Boss for a filament wound pressure vessel |
| US20100075200A1 (en) * | 2008-09-22 | 2010-03-25 | Ken Hatta | High-pressure tank, method of manufacturing high-pressure tank, and manufacturing equipment of high-pressure tank |
| CN102182910A (en) * | 2011-04-07 | 2011-09-14 | 杭州余杭獐山钢瓶有限公司 | Gas cylinder with fully-wound plastic liner and molding technology thereof |
| CN102328439A (en) * | 2010-06-15 | 2012-01-25 | 通用汽车环球科技运作有限责任公司 | The method and apparatus that is used for the container inside lining of forming pressure container |
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2012
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Patent Citations (5)
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| CN1074281A (en) * | 1992-01-10 | 1993-07-14 | 布伦瑞克公司 | The improved mouth of pipe of filament winding pressing pressure container |
| US5429845A (en) * | 1992-01-10 | 1995-07-04 | Brunswick Corporation | Boss for a filament wound pressure vessel |
| US20100075200A1 (en) * | 2008-09-22 | 2010-03-25 | Ken Hatta | High-pressure tank, method of manufacturing high-pressure tank, and manufacturing equipment of high-pressure tank |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103196031A (en) * | 2013-04-10 | 2013-07-10 | 威海百晟达机械设备有限公司 | Filament-wound composite high-pressure gas cylinder with liner formed by welding high polymer material and manufacturing method thereof |
| CN105729842A (en) * | 2016-03-25 | 2016-07-06 | 哈尔滨理工大学 | Forming process and device for composite LPG gas cylinder |
| CN106005687A (en) * | 2016-05-19 | 2016-10-12 | 张振宇 | Bottle with blowing molded inner container and solid wood package |
| CN106838602A (en) * | 2017-01-19 | 2017-06-13 | 安徽绿动能源有限公司 | A kind of metal bottleneck structure and LPG gas cylinders |
| CN106870930A (en) * | 2017-02-17 | 2017-06-20 | 安徽绿动能源有限公司 | A kind of manufacture method of LPG gas cylinders |
| CN110005934A (en) * | 2017-12-27 | 2019-07-12 | 丰田自动车株式会社 | Tank |
| CN108843965A (en) * | 2018-05-07 | 2018-11-20 | 安徽绿动能源有限公司 | The encapsulating method of the plastic inner container bottleneck of the full wound form composite cylinder of fiber |
| US11668436B2 (en) * | 2018-11-30 | 2023-06-06 | Lotte Chemical Corporation | Pressure vessel boss and pressure vessel having same |
| CN109654369A (en) * | 2019-01-10 | 2019-04-19 | 利宾来塑胶工业（深圳）有限公司 | A kind of sealing structure of bottle mouth of gas cylinder |
| CN113154678A (en) * | 2020-12-31 | 2021-07-23 | 青岛经济技术开发区海尔热水器有限公司 | Inner container for electric water heater, electric water heater and processing method of inner container |
| CN115401927A (en) * | 2022-08-12 | 2022-11-29 | 佛山仙湖实验室 | Gas cylinder plastic liner with embedded metal seal and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102840440B (en) | 2014-12-10 |
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Effective date of registration: 20190905 Address after: 311107 Dongfeng Village, Renhe Street, Yuhang District, Hangzhou City, Zhejiang Province Patentee after: Essex (Hangzhou) Composite Material Co., Ltd. Address before: 311107 Renhe Town Industrial Park No. 1, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Yuhang Zhangshan Steel Cylinder Co., Ltd. |
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