CN213954980U - Metal joint of carbon fiber full-winding pressure gas cylinder - Google Patents
Metal joint of carbon fiber full-winding pressure gas cylinder Download PDFInfo
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- CN213954980U CN213954980U CN202023109654.8U CN202023109654U CN213954980U CN 213954980 U CN213954980 U CN 213954980U CN 202023109654 U CN202023109654 U CN 202023109654U CN 213954980 U CN213954980 U CN 213954980U
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Abstract
The utility model discloses a metal joint of carbon fiber full winding pressure gas cylinder, including the metal joint body, the metal joint body is the integrated into one piece structure, set up the air vent that runs through the metal joint body on the metal joint body, the metal joint body is from last down including the bottleneck in proper order, be used for the bottle shoulder II portion of non-metal inner bag splice into the bottle shoulder I portion of complete bottle shoulder and the embedding portion that is used for imbedding the bottle shoulder II portion of non-metal inner bag, set up the annular that sets up with the air vent is concentric at least one on the bottom surface of metal joint body, all process the screw thread on the inside and outside both sides wall of every say annular. The utility model discloses when reinforcing metal joint and nonmetal inner bag and being connected the reliability, very big simplification metal joint's manufacturing process to because be threaded connection between metal joint and the nonmetal inner bag, consequently make metal joint can regard as the built-in fitting to realize mechanical interlocking and connect, also can regard as the assembly part to realize mechanical interlocking and connect, use more in a flexible way.
Description
Technical Field
The utility model relates to a carbon fiber winding pressure gas cylinder entirely, more specifically say, relate to a metal joint of carbon fiber winding pressure gas cylinder entirely.
Background
At present, the composite gas cylinder with the plastic inner container and the fully-wound fiber is developed rapidly compared with metal internationally, and the composite gas cylinder with the plastic inner container has the advantages of corrosion resistance, impact resistance, low cost, strong tolerance and the like and is deeply favored by gas cylinder manufacturers. But the non-metal inner container is compared with traditional metal materials, and belongs to a non-pressure-bearing structure, so that a composite layer, namely a carbon fiber layer, needs to be reinforced on the outer side of the inner container to enhance the pressure-bearing capacity of the gas cylinder. The existing carbon fiber full-winding pressure gas cylinder is composed of a nonmetal inner container, a carbon fiber winding layer and three main components of a tip valve seat, in the prior art, the tip valve seat and the nonmetal inner container are usually fused together in a pre-buried mode and the nonmetal inner container and then wound with carbon fibers, but in the using process, the phenomenon of gas leakage in the repeated filling and using processes is caused due to the fact that the sealing performance between the nonmetal inner container and the tip valve seat is insufficient.
Disclosure of Invention
1. Technical problem to be solved by the utility model
An object of the utility model is to provide a metal joint of carbon fiber full winding pressure gas cylinder, adopt the utility model discloses a technical scheme, simple structure, design benefit when reinforcing metal joint and nonmetal inner bag are connected the reliability, very big simplification metal joint's manufacturing process to because be threaded connection between metal joint and the nonmetal inner bag, consequently make metal joint can regard as the built-in fitting to realize mechanical interlocking and connect, also can regard as the assembly part to realize mechanical interlocking and connect, use more in a flexible way.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a metal joint of full winding pressure gas cylinder of carbon fiber, including the metal joint body, the metal joint body be the integrated into one piece structure, the metal joint body on set up the air vent that runs through the metal joint body, the metal joint body from last down include in proper order the bottleneck portion, be used for the bottle shoulder II portion of non-metal inner bag splice into the bottle shoulder I portion of complete bottle shoulder and the embedding portion that is used for imbedding the bottle shoulder II portion of non-metal inner bag, the bottom surface of metal joint body on set up the annular that sets up with the air vent is concentric at least one, all process threaded on the inside and outside both sides wall of every path annular.
Furthermore, the outer peripheral surface of the head part of the bottle neck part is provided with a bottle cap connecting thread.
Furthermore, the depth of the ring grooves is reduced from inside to outside in sequence.
Further, the metal joint body is made of aluminum alloy or duralumin.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the metal joint of the carbon fiber fully-wound pressure gas cylinder has an integrally formed structure, is convenient to process and manufacture, can obviously enhance the high-pressure stability of the metal joint, reduces the assembly of parts, further reduces the quality of the pressure gas cylinder, and is convenient to process and form the annular groove on the metal joint and the thread in the annular groove;
(2) the utility model discloses a metal joint of carbon fiber full winding pressure gas cylinder, it is because the screw thread that processes on annular and the annular lateral wall exists, make metal joint and non-metal inner bag be connected between form mechanical interlocking structure, solve non-metal inner bag and metal joint and be connected unreliable and appear the problem that the hole is not hard up easily, prevent gas leakage, in addition under the prerequisite of guaranteeing mechanical interlocking, can be applicable to the metal joint as built-in fitting and non-metal inner bag integrated into one piece, also can be applicable to the metal joint as the assembly part and non-metal inner bag detachable connections; when the metal joint is used as an assembly part, each part of the pressure gas cylinder is convenient to distribute to different manufacturers for processing, the whole production flow is accelerated, the production efficiency is improved, and if the metal joint is damaged or does not reach the standard, the metal joint can be replaced by using a threaded connection structure;
(3) the utility model discloses a metal joint of carbon fiber full winding pressure gas cylinder, set up at least one annular with the air vent concentric arrangement on the bottom surface of its metal joint body, all process the screw thread on the inside and outside both sides wall of every annular, the design of multichannel annular further improves the leakproofness;
(4) the utility model discloses a metal joint of carbon fiber full winding pressure gas cylinder, its metal joint body is made by aluminum alloy or duralumin, satisfies metal joint intensity, hardness and required quality, and the anti hydrogen embrittlement of aluminum alloy and duralumin is effectual simultaneously, can effectively prevent gaseous corrosive action.
Drawings
Fig. 1 is an assembly view of a metal joint of a carbon fiber fully-wrapped pressure gas cylinder according to the present invention;
fig. 2 is the structure schematic diagram of the metal joint of the carbon fiber fully-wound pressure gas cylinder of the utility model.
The reference numerals in the schematic drawings illustrate: 1. a vent hole; 2. a bottle neck portion; 2-1, connecting threads of the bottle cap; 3. a non-metallic inner container; 3-1, a bottle shoulder II part; 4. a bottle shoulder I part; 5. an insertion section; 6. a ring groove; 6-1, screw thread.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Examples
With reference to fig. 1 and 2, the metal joint of the carbon fiber fully-wound pressure gas cylinder of the embodiment includes a metal joint body, the metal joint body is of an integrally formed structure, the metal joint body is convenient to process and manufacture, the manufacturing process of the metal joint is greatly simplified, the high-pressure stability of the metal joint can be obviously enhanced, the assembly of spare and accessory parts is reduced, and the quality of the pressure gas cylinder is further reduced; the metal joint body is made of aluminum alloy or duralumin, so that the strength, hardness and quality requirements of the metal joint are met, and meanwhile, the hydrogen embrittlement resistance effect of the aluminum alloy and the duralumin is good, so that the corrosion effect of gas can be effectively prevented;
the metal joint body is provided with an air vent 1 penetrating through the metal joint body, the metal joint body sequentially comprises a bottle neck part 2, a bottle shoulder I part 4 used for splicing with a bottle shoulder II part 3-1 of the non-metal liner 3 to form a complete bottle shoulder and an embedding part 5 used for embedding the bottle shoulder II part 3-1 of the non-metal liner 3 from top to bottom, and the outer peripheral surface of the head part of the bottle neck part 2 is provided with a bottle cap connecting thread 2-1, so that the bottle cap is in threaded connection with the bottle neck part 2, and the sealing performance is improved;
successively, at least one ring groove 6 which is concentric with the vent hole is arranged on the bottom surface of the metal joint body, and threads 6-1 are processed on the inner side wall and the outer side wall of each ring groove 6; according to the thickness of the first bottle shoulder part 4, the depth of the annular groove 6 is sequentially reduced from inside to outside, the annular groove 6 is provided with two channels in the embodiment, and the sealing performance is further improved through the design of a plurality of annular grooves; the ring groove and the threads processed on the side wall of the ring groove form a mechanical interlocking structure between the metal joint and the nonmetal liner, so that the problem that the nonmetal liner and the metal joint are unreliable and easy to have loose pores is solved, and gas leakage is prevented; and when the metal joint was as the assembly part, make things convenient for each part of pressure gas cylinder to distribute different manufacturers' processing, whole production procedure accelerates, improves production efficiency, and if the metal joint appears damaging or not reach standard, can utilize threaded connection structure to change.
The utility model discloses a metal joint of carbon fiber full winding pressure gas cylinder, simple structure, design benefit, when reinforcing metal joint and nonmetal inner bag are connected the reliability, very big simplification metal joint's manufacturing process to because be threaded connection between metal joint and the nonmetal inner bag, consequently make metal joint can regard as the built-in fitting to realize mechanical interlocking and connect, also can regard as the assembly part to realize mechanical interlocking and connect, use more in a flexible way.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (4)
1. The utility model provides a metal joint of carbon fiber full winding pressure gas cylinder, includes the metal joint body, its characterized in that: the metal joint body be integrated into one piece structure, the metal joint body on set up air vent (1) that runs through the metal joint body, the metal joint body from last down include bottleneck (2) in proper order, be used for bottle shoulder II portion (3-1) of non-metal inner bag (3) splice into bottle shoulder I portion (4) of complete bottle shoulder and be used for embedding portion (5) of bottle shoulder II portion (3-1) of non-metal inner bag (3), the bottom surface of metal joint body on set up annular (6) that set up with the air vent is concentric one at least, all process on the inside and outside both sides wall of every annular (6) screw thread (6-1).
2. The metal joint of a carbon fiber fully wrapped pressure cylinder according to claim 1, characterized in that: the outer peripheral surface of the head part of the bottle neck part (2) is provided with a bottle cap connecting thread (2-1).
3. The metal joint of a carbon fiber fully wrapped pressure cylinder according to claim 2, characterized in that: the depth of the ring groove (6) is reduced from inside to outside in sequence.
4. The metal joint of a carbon fiber fully wrapped pressure cylinder according to claim 3, characterized in that: the metal joint body is made of aluminum alloy or duralumin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023109654.8U CN213954980U (en) | 2020-12-22 | 2020-12-22 | Metal joint of carbon fiber full-winding pressure gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023109654.8U CN213954980U (en) | 2020-12-22 | 2020-12-22 | Metal joint of carbon fiber full-winding pressure gas cylinder |
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| Publication Number | Publication Date |
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| CN213954980U true CN213954980U (en) | 2021-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202023109654.8U Active CN213954980U (en) | 2020-12-22 | 2020-12-22 | Metal joint of carbon fiber full-winding pressure gas cylinder |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775926A (en) * | 2021-08-30 | 2021-12-10 | 浙江工业大学 | Embedded metal bottleneck structure of IV type hydrogen storage bottle |
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2020
- 2020-12-22 CN CN202023109654.8U patent/CN213954980U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113775926A (en) * | 2021-08-30 | 2021-12-10 | 浙江工业大学 | Embedded metal bottleneck structure of IV type hydrogen storage bottle |
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