CN111120864A - Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle - Google Patents
Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle Download PDFInfo
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- CN111120864A CN111120864A CN202010031261.5A CN202010031261A CN111120864A CN 111120864 A CN111120864 A CN 111120864A CN 202010031261 A CN202010031261 A CN 202010031261A CN 111120864 A CN111120864 A CN 111120864A
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- nozzle
- mouth
- gas cylinder
- plastic inner
- plastic
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- 229920003023 plastic Polymers 0.000 title claims abstract description 71
- 239000004033 plastic Substances 0.000 title claims abstract description 71
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 18
- 238000004804 winding Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 22
- 229920001903 high density polyethylene Polymers 0.000 claims description 16
- 230000002787 reinforcement Effects 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 14
- 239000002184 metal Substances 0.000 abstract description 14
- 238000000926 separation method Methods 0.000 abstract description 4
- 238000007493 shaping process Methods 0.000 abstract description 3
- 238000005728 strengthening Methods 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 39
- 238000000071 blow moulding Methods 0.000 description 6
- 238000003466 welding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000002519 antifouling agent Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000000243 solution Substances 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
- 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
- F17C1/16—Pressure vessels, e.g. gas cylinder, gas tank, replaceable cartridge constructed of plastics materials
-
- 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
-
- 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
- F17C2203/01—Reinforcing or suspension means
- F17C2203/011—Reinforcing 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
- 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
- F17C2205/0311—Closure 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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2109—Moulding
- F17C2209/2127—Moulding by blowing
-
- 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
- F17C2209/00—Vessel construction, in particular methods of manufacturing
- F17C2209/21—Shaping processes
- F17C2209/2154—Winding
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a plastic inner container fully-wound gas cylinder, a cylinder opening connecting structure and a cylinder nozzle, wherein an outer nozzle body comprises: the nozzle part and the nozzle seat part are sequentially connected along the extending direction of the first air inlet through cavity; the inner wall of the nozzle opening part is provided with a first dovetail groove and a plurality of reinforcing grooves which extend in an annular mode, the reinforcing grooves are sequentially arranged between the first dovetail groove and the nozzle seat part at intervals, and one end, far away from the nozzle opening part, of the nozzle seat part is provided with a second dovetail groove which extends in an annular mode. Through the bottle neck of the above-mentioned plastic inner bag full winding gas cylinder of optimal design, through set up dovetail and strengthening groove on mouth portion and mouth seat portion, when inner bag winding shaping on the bottle neck, strengthen the bonding strength between plastic inner bag and the bottle neck greatly, guaranteed that the gas cylinder avoids appearing plastics and metal separation's problem when filling the dress repeatedly, avoid gaseous along the bonding interface between bottle neck and the inner bag to take place to leak.
Description
Technical Field
The invention relates to the technical field of storage and transportation of compressed gas and liquefied gas, in particular to a plastic liner fully-wound gas cylinder, a cylinder opening connecting structure and a cylinder nozzle.
Background
At present, three main types of compressed gas storage gas cylinders in the market are steel cylinders; secondly, the glass fiber ring of the steel inner container is wound on the composite gas cylinder, and thirdly, the aluminum alloy inner container is fully wound on the composite gas cylinder; in addition, the liquefied petroleum gas is stored by a steel cylinder; the inner containers of the gas cylinders are all metal inner containers; the metal liner has the defects of complex forming process, heavy weight, inconvenient transportation, easy corrosion, explosion accidents in the use process and the like, and the fiber plastic liner fully-wound gas cylinder has the excellent performances of light weight, high strength, corrosion resistance, perspective, long service life, low maintenance cost and the like and has wide application prospect in replacing the traditional steel cylinder with the metal liner.
Because of the needs of intensity and rigidity, the bottleneck of full winding plastics inner bag needs to adopt the metal material design, the bottleneck connection structure of plastics inner bag among some patent technologies at present: one is to adopt the blow molding process to form the plastic inner container, wrap the metalwork in the plastic and form together with the inner container when the bottleneck of the inner container is formed, form the airtight inner container without weld joint, secondly, adopt the injection molding process to wrap the metalwork in the plastic and then connect to the inner container in a welding way, form the airtight container; because the second method adopts a welding mode, a welding seam can be formed at the position of the opening of the inner container, so the welding seam can also become a leakage point of the gas cylinder, and a plurality of gas cylinder leakage events caused by welding exist internationally at present; although the first mode adopts integral forming without welding, the plastic and the metal are connected infirm due to the fact that the metal and the plastic are directly wrapped, and leakage is easily caused due to layering of the two materials.
Disclosure of Invention
In order to solve the technical problems in the background technology, the invention provides a plastic liner fully-wound gas cylinder, a cylinder opening connecting structure and a cylinder nozzle.
The invention provides a bottle mouth of a fully-wound gas bottle with a plastic inner container, which comprises: the outer mouth body, the internal portion of outer mouth is equipped with first logical chamber, the outer mouth body includes: the nozzle part and the nozzle seat part are sequentially connected along the extending direction of the first air inlet through cavity;
the inner wall of the nozzle opening part is provided with a first dovetail groove and a plurality of reinforcing grooves which extend in an annular mode, the reinforcing grooves are sequentially arranged between the first dovetail groove and the nozzle seat part at intervals, and one end, far away from the nozzle opening part, of the nozzle seat part is provided with a second dovetail groove which extends in an annular mode.
Preferably, the distance between any two adjacent reinforcement grooves is equal.
Preferably, the outer edge of the nozzle base part is provided with a positioning groove which extends annularly.
In the invention, the outer nozzle body of the proposed cylinder nozzle of the gas cylinder with the plastic inner container fully wound comprises: the nozzle part and the nozzle seat part are sequentially connected along the extending direction of the first air inlet through cavity; the inner wall of the nozzle opening part is provided with a first dovetail groove and a plurality of reinforcing grooves which extend in an annular mode, the reinforcing grooves are sequentially arranged between the first dovetail groove and the nozzle seat part at intervals, and one end, far away from the nozzle opening part, of the nozzle seat part is provided with a second dovetail groove which extends in an annular mode. Through the bottle neck of the above-mentioned plastic inner bag full winding gas cylinder of optimal design, through set up dovetail and strengthening groove on mouth portion and mouth seat portion, when inner bag winding shaping on the bottle neck, strengthen the bonding strength between plastic inner bag and the bottle neck greatly, guaranteed that the gas cylinder avoids appearing plastics and metal separation's problem when filling the dress repeatedly, avoid gaseous along the bonding interface between bottle neck and the inner bag to take place to leak.
The invention also provides a bottle opening connecting structure of the gas bottle with the plastic liner fully wound, which comprises a plastic inner nozzle body and the bottle nozzle of the gas bottle with the plastic liner fully wound;
the plastic inner nozzle body is provided with a second through cavity extending along the direction of the first through cavity, the plastic inner nozzle body comprises a connecting part and a connecting seat part which are sequentially connected along the direction of the second air inlet through cavity, the connecting part is positioned in the nozzle part, and the connecting seat part is positioned on one side of the nozzle seat part, which is far away from the nozzle part;
the outer wall of the connecting port is provided with a first positioning bulge matched with the first positioning groove and a reinforcing bulge matched with the reinforcing groove, and one side of the connecting port, which is close to the connecting port, is provided with a second positioning bulge matched with the second positioning groove.
Preferably, the converter is further included, one end of the converter penetrates through the first through cavity from one side far away from the plastic connecting seat and extends into the second through cavity, and a first sealing ring in sealing fit with the second through cavity is arranged on the outer wall of the converter.
Preferably, the outer wall of the transducer is provided with an annular mounting groove for receiving the first sealing ring.
Preferably, the outer wall of the converter is provided with an outer annular step, the inner wall of the first through cavity is provided with an inner annular step matched with the outer annular step, the inner annular step is located on one side, away from the connecting seat part, of the connecting interface part, and a second sealing ring is arranged between the outer annular step and the connecting interface part.
Preferably, first logical chamber is equipped with the internal thread, and the converter outer wall is equipped with the external screw thread, the converter with outer nozzle body screw-thread fit.
Preferably, the converter is kept away from mouth body one end in the plastics and is equipped with the limiting plate, and the limiting plate is located outer mouth body and keeps away from mouth body one side in the plastics, is equipped with the third sealing washer between limiting plate and the outer mouth body.
In the invention, the provided plastic liner is fully wound on the bottle mouth connecting structure of the gas bottle, the plastic inner nozzle body matched with the outer nozzle body is formed by blow molding, and the technical effect of the plastic inner nozzle is similar to that of the bottle nozzle; through further increasing the converter structure, realize with outside gas passage to through the optimal design of converter structure, improve the sealed effect between converter and bottle neck, the plastics inner nozzle body greatly, effectively guaranteed that the bottleneck can not take place to reveal in highly compressed condition.
The invention also provides a plastic liner fully-wound gas cylinder which comprises the bottle opening connecting structure.
In the invention, the technical effect of the proposed fully-wound gas cylinder with the plastic inner container is similar to that of the bottle opening connecting structure, and the details are not repeated.
Drawings
Fig. 1 is a schematic structural diagram of a mouth of a fully-wound gas cylinder with a plastic inner container.
Fig. 2 is a schematic structural view of a bottle opening connecting structure of the fully-wound gas cylinder with the plastic inner container.
Fig. 3 is a schematic structural view of another opening connecting structure of the fully-wound gas cylinder with the plastic inner container, which is provided by the invention.
Detailed Description
As shown in fig. 1 to 3, fig. 1 is a schematic structural view of a mouth of a gas cylinder with a fully-wound plastic inner container, fig. 2 is a schematic structural view of a bottle mouth connecting structure of a gas cylinder with a fully-wound plastic inner container, and fig. 3 is a schematic structural view of another bottle mouth connecting structure of a gas cylinder with a fully-wound plastic inner container.
Referring to fig. 1, the invention provides a plastic liner fully-wound gas cylinder, a cylinder opening connecting structure and a cylinder mouth, which comprises: the outer mouth body 1, the inside first logical chamber that is equipped with of outer mouth body 1, its characterized in that, the outer mouth body 1 includes: a nozzle part 11 and a nozzle seat part 12 which are connected in sequence along the extending direction of the first air inlet through cavity;
the inner wall of the nozzle part 11 is provided with a first dovetail groove 112 and a plurality of reinforcing grooves 111 which extend annularly, the plurality of reinforcing grooves 111 are sequentially arranged between the first dovetail groove 112 and the nozzle seat part 12 at intervals, and one end of the nozzle seat part 12, which is far away from the nozzle part 11, is provided with a second dovetail groove 121 which extends annularly.
In this embodiment, the plastics inner bag that proposes twines gas cylinder, bottleneck connection structure and bottle neck entirely, outer mouth body includes: the nozzle part and the nozzle seat part are sequentially connected along the extending direction of the first air inlet through cavity; the inner wall of the nozzle opening part is provided with a first dovetail groove and a plurality of reinforcing grooves which extend in an annular mode, the reinforcing grooves are sequentially arranged between the first dovetail groove and the nozzle seat part at intervals, and one end, far away from the nozzle opening part, of the nozzle seat part is provided with a second dovetail groove which extends in an annular mode. Through the bottle neck of the above-mentioned plastic inner bag full winding gas cylinder of optimal design, through set up dovetail and strengthening groove on mouth portion and mouth seat portion, when inner bag winding shaping on the bottle neck, strengthen the bonding strength between plastic inner bag and the bottle neck greatly, guaranteed that the gas cylinder avoids appearing plastics and metal separation's problem when filling the dress repeatedly, avoid gaseous along the bonding interface between bottle neck and the inner bag to take place to leak.
Referring to fig. 2, the embodiment further provides a bottle opening connecting structure of a plastic liner fully-wound gas cylinder, which includes a plastic inner nozzle body 2 and a bottle nozzle of the plastic liner fully-wound gas cylinder;
a second through cavity extending along the first through cavity direction is arranged on the plastic inner nozzle body 2, the plastic inner nozzle body 2 comprises a connecting port part 21 and a connecting seat part 22 which are sequentially connected along the second air inlet through cavity direction, the connecting port part 21 is positioned in the nozzle part 11, and the connecting seat part 22 is positioned on one side, far away from the nozzle part 11, of the nozzle part 12;
the outer wall of the connecting port 21 is provided with a first positioning protrusion engaged with the first positioning groove 122 and a reinforcing protrusion engaged with the reinforcing groove 111, and one side of the connecting port 22 close to the connecting port 21 is provided with a second positioning protrusion engaged with the second positioning groove 122.
In the material selection of the outer nozzle body and the inner nozzle body in the embodiment, the outer nozzle body may be made of metal pieces, such as aluminum or copper, and the inner nozzle body is made of plastic material, such as high-density polyethylene or nylon.
In the concrete processing mode of the bottleneck connection structure of this embodiment, the mouth body adopts the production of blowing process in the plastics, inlay the outer mouth body in the blow molding plastics in the blow molding, be equipped with first constant head tank and second constant head tank on the outer mouth body, during blow molding, first constant head tank and second constant head tank are filled up by plastics respectively, first location arch and second location arch on the mouth body in the formation plastics, the bonding strength between plastics and the metal has been strengthened, the problem of plastics and metal separation appear when filling repeatedly to the gas cylinder has been guaranteed.
In the specific implementation mode of the bottle mouth, the outer mouth body can be produced by using a mold, and a layer of protective paint is coated immediately after the metal piece is processed, so that the oxidation of the metal piece is prevented, the bonding property of metal and plastic can be effectively improved, and the bonding strength is improved.
In the specific design of the reinforcement grooves, the distance between any two adjacent reinforcement grooves 111 is equal.
In other specific embodiments, the top of the connection seat portion is provided with a receiving groove, the second positioning protrusion is located in the receiving groove, the nozzle seat portion is located in the receiving groove, and the outer edge of the nozzle seat portion 12 is provided with a positioning groove 122 extending annularly, so as to further improve the bonding strength between the nozzle seat portion and the connection seat portion.
Referring to fig. 3, in other specific embodiments of the bottle mouth connecting structure of the present embodiment, the bottle mouth connecting structure further includes a converter 3, one end of the converter 3 penetrates through the first through cavity from a side away from the plastic connecting seat and extends into the second through cavity, and a first sealing ring 4 in sealing fit with the second through cavity is arranged on an outer wall of the converter 3; preferably, the outer wall of the converter 3 is provided with an annular mounting groove for housing the first sealing ring 4; the converter is installed at the internal portion of outer nozzle body and interior nozzle body, through the sealed cooperation of the inner wall of first sealing washer and the interior nozzle body of plastics, realizes sealed one.
In a specific installation mode of the converter, the first through cavity is provided with internal threads, the outer wall of the converter 3 is provided with external threads, and the converter 3 is in threaded fit with the outer nozzle body 1; the converter and the bottle mouth are convenient to install, and the installation reliability is guaranteed.
In a specific design manner of the converter, an outer annular step is arranged on an outer wall of the converter 3, an inner annular step matched with the outer annular step is arranged on an inner wall of the first through cavity, the inner annular step is positioned on one side, away from the connecting seat 22, of the connecting port 21, and a second sealing ring 5 is arranged between the outer annular step and the connecting port 21; the converter is limited through the annular step, and simultaneously the converter is in sealing fit with the end part of the plastic inner nozzle body through the second sealing ring, so that two sealing steps are realized.
In other specific embodiments, a limiting plate is arranged at one end of the converter 3, which is far away from the plastic inner nozzle body 2, the limiting plate is positioned at one side of the outer nozzle body 1, which is far away from the plastic inner nozzle body 2, and a third sealing ring 6 is arranged between the limiting plate and the outer nozzle body 1; and a limiting plate of the converter is in sealing fit with one end of the nozzle part through a third sealing ring, so that three sealing steps are realized.
In the embodiment, the provided plastic liner is fully wound on the bottle opening connecting structure of the gas bottle, the plastic inner nozzle body matched with the outer nozzle body is formed by blow molding, and the technical effect of the plastic inner nozzle is similar to that of the bottle nozzle; through further increasing the converter structure, realize with outside gas passage to through the optimal design of converter structure, improve the sealed effect between converter and bottle neck, the plastics inner nozzle body greatly, effectively guaranteed that the bottleneck can not take place to reveal in highly compressed condition.
The embodiment also provides a plastic liner fully-wound gas cylinder which is characterized by comprising the bottle opening connecting structure.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a bottle neck of plastic inner bag full winding gas cylinder which characterized in that includes: the outer mouth body (1), outer mouth body (1) inside is equipped with first logical chamber, its characterized in that, outer mouth body (1) includes: a nozzle part (11) and a nozzle seat part (12) which are connected in sequence along the extending direction of the first air inlet through cavity;
the inner wall of the mouth part (11) is provided with a first dovetail groove (112) and a plurality of reinforcing grooves (111) which extend in an annular mode, the reinforcing grooves (111) are arranged between the first dovetail groove (112) and the mouth seat part (12) at intervals in sequence, and the mouth seat part (12) is far away from one end of the mouth part (11) and is provided with a second dovetail groove (121) which extends in an annular mode.
2. The mouth of a fully wrapped gas cylinder with a plastic inner container as claimed in claim 1, characterized in that the distance between any two adjacent reinforcement grooves (111) is equal.
3. The mouth of a fully wrapped gas cylinder with a plastic inner container as claimed in claim 1, characterized in that the mouth seat portion (12) is provided with an annularly extending positioning groove (122) at its outer edge.
4. A bottle mouth connecting structure of a plastic liner fully-wound gas cylinder, which is characterized by comprising a plastic inner nozzle body (2) and the nozzle of the plastic liner fully-wound gas cylinder according to any one of claims 1 to 3;
a second through cavity extending along the first through cavity direction is formed in the plastic inner nozzle body (2), the plastic inner nozzle body (2) comprises a connecting port part (21) and a connecting seat part (22) which are sequentially connected along the second air inlet through cavity direction, the connecting port part (21) is located in the nozzle part (11), and the connecting seat part (22) is located on one side, far away from the nozzle part (11), of the nozzle part (12);
the outer wall of the connecting port part (21) is provided with a first positioning bulge matched with the first positioning groove (122) and a reinforcing bulge matched with the reinforcing groove (111), and one side, close to the connecting port part (21), of the connecting port part (22) is provided with a second positioning bulge matched with the second positioning groove (122).
5. The cylinder opening connecting structure of the fully-wound gas cylinder with the plastic inner container as claimed in claim 4, further comprising a converter (3), wherein one end of the converter (3) penetrates through the first through cavity from one side far away from the plastic connecting seat and extends into the second through cavity, and a first sealing ring (4) in sealing fit with the second through cavity is arranged on the outer wall of the converter (3).
6. The connection structure of the mouth of a fully wrapped gas cylinder with a plastic inner container according to claim 5, characterized in that the outer wall of the converter (3) is provided with an annular mounting groove for accommodating the first sealing ring (4).
7. The connection structure of the cylinder mouth of the fully-wound gas cylinder with the plastic inner container is characterized in that an outer annular step is arranged on the outer wall of the converter (3), an inner annular step matched with the outer annular step is arranged on the inner wall of the first through cavity, the inner annular step is positioned on one side, away from the connection seat (22), of the connection port (21), and a second sealing ring (5) is arranged between the outer annular step and the connection port (21).
8. The cylinder opening connecting structure of the fully-wound gas cylinder with the plastic inner container as claimed in claim 5, wherein the first through cavity is provided with internal threads, the outer wall of the converter (3) is provided with external threads, and the converter (3) is in threaded fit with the outer nozzle body (1).
9. The cylinder mouth connecting structure of the gas cylinder with the plastic liner fully wound according to claim 5, wherein a limiting plate (31) is arranged at one end of the converter (3) far away from the plastic inner nozzle body (2), the limiting plate (31) is positioned at one side of the outer nozzle body (1) far away from the plastic inner nozzle body (2), and a third sealing ring (6) is arranged between the limiting plate (31) and the outer nozzle body (1).
10. A fully wrapped gas cylinder with a plastic inner container, characterized by comprising a mouthpiece connecting structure according to any one of claims 4 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010031261.5A CN111120864A (en) | 2020-01-13 | 2020-01-13 | Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010031261.5A CN111120864A (en) | 2020-01-13 | 2020-01-13 | Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111120864A true CN111120864A (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010031261.5A Pending CN111120864A (en) | 2020-01-13 | 2020-01-13 | Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle |
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| CN (1) | CN111120864A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669617A (en) * | 2021-08-23 | 2021-11-19 | 浙江工业大学 | Fiber winding plastic inner container hydrogen storage cylinder opening structure |
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| CN212080868U (en) * | 2020-01-13 | 2020-12-04 | 安徽绿动能源有限公司 | Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle |
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2020
- 2020-01-13 CN CN202010031261.5A patent/CN111120864A/en active Pending
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| DE102006057422B3 (en) * | 2006-12-04 | 2008-06-26 | Mcs International Gmbh | Composite-pressure vessel e.g. for storing gaseous mediums, has liner made of plastic and which is reinforced with fiber composite material with neck |
| US20110284562A1 (en) * | 2010-04-29 | 2011-11-24 | Pavel Novak | Pressure container |
| CN206647750U (en) * | 2017-01-17 | 2017-11-17 | 郑州宇通客车股份有限公司 | Inner bag, composite construction gas receiver and the vehicle using the gas receiver of gas receiver |
| CN207707471U (en) * | 2017-11-30 | 2018-08-10 | 绍兴优沃塑业有限公司 | Three-stage bottle for cosmetics |
| CN208397697U (en) * | 2018-05-07 | 2019-01-18 | 安徽绿动能源有限公司 | Wind the converter of plastic inner container bottle mouth of gas cylinder entirely for fiber |
| CN110259943A (en) * | 2019-07-22 | 2019-09-20 | 中材科技(成都)有限公司 | A kind of composite construction pressure vessel |
| CN212080868U (en) * | 2020-01-13 | 2020-12-04 | 安徽绿动能源有限公司 | Plastic inner container fully-wound gas cylinder, bottle opening connecting structure and bottle nozzle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113669617A (en) * | 2021-08-23 | 2021-11-19 | 浙江工业大学 | Fiber winding plastic inner container hydrogen storage cylinder opening structure |
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