CN214369255U - High-pressure gas storage pipe for shooting sport air gun - Google Patents
High-pressure gas storage pipe for shooting sport air gun Download PDFInfo
- Publication number
- CN214369255U CN214369255U CN202022939161.0U CN202022939161U CN214369255U CN 214369255 U CN214369255 U CN 214369255U CN 202022939161 U CN202022939161 U CN 202022939161U CN 214369255 U CN214369255 U CN 214369255U
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- Prior art keywords
- pressure gas
- carbon fiber
- air gun
- composite material
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- 238000003860 storage Methods 0.000 title claims abstract description 35
- 239000010410 layer Substances 0.000 claims abstract description 39
- 229920000049 Carbon (fiber) Polymers 0.000 claims abstract description 36
- 239000004917 carbon fiber Substances 0.000 claims abstract description 36
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 239000012790 adhesive layer Substances 0.000 claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 18
- 239000011241 protective layer Substances 0.000 claims abstract description 12
- 239000000853 adhesive Substances 0.000 claims abstract description 5
- 230000001070 adhesive effect Effects 0.000 claims abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 8
- 229920003023 plastic Polymers 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 abstract description 5
- 239000000463 material Substances 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000005422 blasting Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract 1
- 239000000956 alloy Substances 0.000 description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920006346 thermoplastic polyester elastomer Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
- Laminated Bodies (AREA)
- Golf Clubs (AREA)
Abstract
The utility model discloses a high-pressure gas receiver for shooting sports air gun, including bushing pipe, adhesive linkage and carbon fiber winding combined material layer. The outer surface of the liner tube is coated with a high-strength adhesive layer, then the outer surface of the adhesive layer is wound with a carbon fiber composite material layer, and the outer surface of the carbon fiber wound composite material layer is also coated with a protective layer. The utility model solves the problem that the tubular structure winding fiber composite material layer can not bear axial load by adding the bonding layer structure; by adopting the structure that the carbon fiber composite material layer is wound outside the liner tube, the problem of heavy weight of the metal high-pressure gas storage tube for the shooting sports air gun is solved, and benefits such as reduction of physical consumption of shooting personnel, improvement of shooting hit rate and the like are achieved; meanwhile, the carbon fiber wound high-pressure gas storage pipe has an LBB failure mode of leakage before blasting, is not easy to scratch and damage by external objects, and improves the use safety of the high-pressure gas storage pipe.
Description
Technical Field
The utility model relates to a carbon fiber winding high pressure gas receiver, specifically speaking relates to a high pressure gas receiver is used to shooting motion air gun.
Background
The high-pressure gas storage pipe is a container for storing high-pressure gas medium for the shooting sports air gun, and one end of the high-pressure gas storage pipe is threaded for installing a pressure gauge and is used for monitoring the gas pressure in the gas pipe; one end of the screw thread is connected with the shooting air gun in a butt joint mode. When the athlete uses the shooting air gun to shoot, the high-pressure air storage pipe can continuously and stably provide a high-pressure air source for the shooting air gun, and the high-pressure air storage pipe is used as a power source of the bullet to push the bullet to shoot out at a high speed. The working pressure of the high-pressure gas storage pipe is 1-70 MPa, and when the working pressure is lower than 1MPa, the high-pressure gas storage pipe needs to be inflated in time.
At present, the domestic high-pressure gas storage pipes are all made of all-aluminum alloy metal materials, and the density of the aluminum alloy materials is 2.7g/cm3Compared with the density of plastic: 0.89g/cm3～2.17g/cm3And carbon fiber density: 1.78g/cm3The material has high density, and the mechanical property strength of the aluminum alloy material is as follows: compared with the strength of the carbon fiber T700 at 320 MPa: 4900MPa, T1000 carbon fiber strength: 6330MPa, therefore, under the same working condition, the high-pressure gas storage tube designed and manufactured by adopting the all-aluminum alloy material has heavy weight, which affects the physical consumption and shooting hit rate of athletes.
In addition, the traditional high-pressure gas storage pressure container is generally in a cylindrical section plus lower end enclosure structure or a spherical structure, for example, the invention patent of the publication number CN 108692181A discloses a preparation method of a spherical-cylindrical composite material gas cylinder; the invention patent of publication No. CN 109707989A discloses a preparation method of a spherical composite material gas cylinder, the structure can conveniently realize the axial load resistance of a fiber winding layer through a seal head or a spherical structure, and a high-pressure gas storage pipe for a shooting sports air gun is only of a tubular structure and cannot bear the axial load generated by internal pressure when the fiber winding layer is adopted for reinforcement, so that the solution of the axial load resistance is one of the key points of the patent.
At present, a high-pressure gas storage pipe comprises an aluminum alloy liner pipe, an adhesive layer and a carbon fiber winding composite material layer. Compared with the conventional high-pressure gas storage pipe, the quality of the high-pressure gas storage pipe is greatly improved, certain defects exist, the capacity of bearing axial load is slightly insufficient, the outermost carbon fiber wound composite material layer is easy to scratch and damage by external objects, the safety is reduced, the service life is prolonged, and further improvement is needed.
Disclosure of Invention
In order to reduce the structure weight of high-pressure gas receiver for shooting sports air gun, improve the security of high-pressure gas receiver, the utility model provides a high-pressure gas receiver for shooting sports air gun.
The technical scheme of the utility model is that:
a high-pressure gas storage pipe for a shooting sport air gun comprises a liner pipe, an adhesive layer and a carbon fiber winding composite material layer, wherein the adhesive layer is coated on the outer surface of the liner pipe, and the carbon fiber composite material layer is wound on the outer surface of the adhesive layer; and a protective layer is also coated on the outer surface of the carbon fiber winding composite material layer.
The length of the gas storage pipe is 150 +/-0.2 mm-1000 +/-1 mm.
The liner tube is made of aluminum alloy or hard plastic, the outer diameter of the liner tube is 10 +/-0.05 mm-100 +/-0.05 mm, and the thickness of the liner tube is 0.2 +/-0.02 mm-10 +/-0.05 mm.
The two ends of the liner tube are respectively provided with a threaded port, the threaded port is provided with internal threads, and the thread depth of each threaded port is 10-30 mm.
And sealing flanges are arranged on the inner sides of the threads of the threaded ports at the two ends, and the sealing flanges and the pipe wall of the liner pipe are transited through fillets.
The adhesive layer is coated on the surface of the liner tube by an adhesive, and the thickness of the adhesive layer is 0.1-0.5 mm.
The carbon fiber winding composite material layer is a carbon fiber/epoxy winding layer, and the thickness of the carbon fiber winding composite material layer is 0.15-10 mm.
The protective layer is formed by an elastic plastic layer; the thickness of the protective layer is 0.15 mm-0.25 mm.
The utility model discloses a high-pressure gas receiver for shooting sports air gun has following advantage:
1. the carbon fiber composite material layer is wound outside the liner tube, so that the problem of heavy mass of the all-aluminum alloy high-pressure gas storage tube is solved, and the weight of the all-aluminum alloy high-pressure gas storage tube is reduced by more than 50% compared with that of the all-aluminum alloy high-pressure gas storage tube, so that the physical consumption of athletes is reduced, and the shooting hit rate of the athletes is improved;
2. by adding the bonding layer structure, the problem that the tubular structure wound fiber composite material layer cannot bear the axial load generated by internal pressure is solved; the scratch and the damage of external objects are not easy to happen;
3. the two ends of the liner tube are transited by adopting R1, the wall thickness of the two ends is increased, and on one hand, a threaded interface is provided, so that the liner tube is convenient to install and connect with a shooting sports air gun; on the other hand, the deformation of the two ends of the liner tube under the working pressure is reduced, and the cracking phenomenon of the fiber winding layers outside the two ends of the liner tube due to overlarge deformation is prevented;
4. the inner sides of threads at two ends of the liner tube are provided with the preposed sealing flanges, so that the problems that the end face of a thin-wall structure is difficult to seal, the deformation of a tube body is overlarge due to internal pressure of a postposition seal, the threaded connection of the tube body fails, the leakage rate exceeds the standard, and even the threaded connection falls off are solved;
5. the carbon fiber wound high-pressure gas storage pipe has an LBB failure mode, so that the high-pressure gas storage pipe has higher use safety.
6. Under the same working pressure and size conditions, the carbon fiber wound high-pressure gas storage pipe can achieve the weight reduction effect of not less than 50%. Meanwhile, compared with the all-aluminum alloy high-pressure gas storage pipe, the carbon fiber wound high-pressure gas storage pipe has a failure mode of leakage before blasting under the working pressure, so that the high-pressure gas storage pipe has higher use safety and prolonged service life.
Drawings
FIG. 1 is a schematic view of the high-pressure gas storage tube for a sporting air gun according to an embodiment of the present invention,
FIG. 2 is an enlarged schematic view of an end structure of an air storage tube according to an embodiment of the present invention,
fig. 3 is an enlarged schematic view of the middle structure of the gas storage tube in the embodiment of the present invention.
In the figure: 1. liner tube, 2, adhesive layer, 3, carbon fiber wound composite material layer, 4, protective layer, 5, threaded port, 6 and sealing flange.
Detailed Description
The present invention will be described in detail with reference to the following embodiments. The following examples will assist those skilled in the art in further understanding the present invention, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the invention. These all belong to the protection scope of the present invention.
As shown in fig. 1, 2 and 3, the embodiment of the present invention provides a high-pressure gas storage tube for a shooting sport air gun, which is a circular tube structure with two open ends, and comprises a liner tube 1, an adhesive layer 2 and a carbon fiber winding composite material layer 3 from inside to outside. The outer surface of the liner tube 1 is coated with an adhesive layer 2, and the outer surface of the adhesive layer 2 is wound with a carbon fiber composite material layer 3. In order to strengthen the compressive strength and protect the outmost not damaged, the utility model discloses 3 surfaces at carbon fiber winding combined material layer have laid a protective layer 4, and protective layer 4 constitutes for an elastic plastic layer.
The embodiment of the utility model provides a: the length of the high-pressure gas storage tube for the shooting sports air gun is 150 +/-0.2 mm-1000 +/-1 mm.
Further, the liner tube 1 is made of an aluminum alloy material or a rigid plastic material, which is generally ABS, POM, PS, PMMA, PC, PET, PBT or PPO. Example of liner 1: the outer diameter is 10 plus or minus 0.05mm to 100 plus or minus 0.05mm, and the thickness is 0.2 plus or minus 0.02mm to 10 plus or minus 0.05 mm. The two ends of the liner tube 1 are respectively provided with a threaded port 5, the threaded ports 5 are provided with internal threads, the thread depth of each threaded port 5 is 10-30 mm, the inner sides of the threads at the two ends are respectively provided with a sealing flange 6, and the sealing flanges 6 and the tube wall of the liner tube 1 are in transition through a fillet R.
Further, adhesive layer 2 example: the adhesive layer 2 is formed by coating the surface of the lining pipe 1 with a high-strength adhesive which is available in various forms, such as a resin adhesive, and is obtained by curing at a high temperature. The thickness of the adhesive layer 2 is 0.1mm to 0.5 mm.
Further, the carbon fiber winding composite material layer 3 is a carbon fiber/epoxy winding layer, namely, the carbon fiber dipped with epoxy resin glue solution is wound on the bonding layer 2 and is formed by curing. The thickness of the carbon fiber winding composite material layer 3 is 0.15 mm-10 mm.
Further, the protective layer 4 is formed of an elastic plastic layer, such as TPU, TPO, TPEE, or the like, which is thermoplastic on the outside of the carbon fiber-wound composite material layer 3. The thickness of the protective layer 4 is 0.15mm to 0.25 mm.
The foregoing description of the specific embodiments of the invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by those skilled in the art within the scope of the appended claims without departing from the spirit of the invention.
Claims (8)
1. The utility model provides a shooting motion is high-pressure gas receiver for air gun which characterized in that: the composite carbon fiber composite material pipe comprises a liner pipe (1), an adhesive layer (2) and a carbon fiber wound composite material layer (3), wherein the adhesive layer (2) is coated on the outer surface of the liner pipe (1), and the carbon fiber wound composite material layer (3) is wound on the outer surface of the adhesive layer (2); and a protective layer (4) is also coated on the outer surface of the carbon fiber winding composite material layer (3).
2. The high-pressure gas receiver for a sporting air gun as set forth in claim 1, wherein: the length of the gas storage pipe is 150 +/-0.2 mm-1000 +/-1 mm.
3. The high-pressure gas receiver for a sporting air gun as set forth in claim 1 or 2, wherein: the liner tube (1) is made of aluminum alloy or hard plastic, the outer diameter of the liner tube is 10 +/-0.05 mm-100 +/-0.05 mm, and the thickness of the liner tube is 0.2 +/-0.02 mm-10 +/-0.05 mm.
4. A high-pressure gas receiver for a sporting air gun as set forth in claim 3, wherein: the two ends of the liner tube (1) are respectively provided with a threaded port (5), the threaded ports (5) are provided with internal threads, and the thread depth of each threaded port (5) is 10-30 mm.
5. The high-pressure gas receiver for a sporting air gun as set forth in claim 4, wherein: the inner sides of the threads of the threaded ports (5) at the two ends are provided with sealing flanges (6), and the sealing flanges (6) are transited with the pipe wall of the liner pipe (1) through fillets.
6. The high-pressure gas receiver for a sporting air gun as set forth in claim 1, wherein: the adhesive layer (2) is coated on the surface of the liner tube (1) by an adhesive, and the thickness of the adhesive layer (2) is 0.1-0.5 mm.
7. The high-pressure gas receiver for a sporting air gun as set forth in claim 1, wherein: the carbon fiber wound composite material layer (3) is a carbon fiber/epoxy wound layer, and the thickness of the carbon fiber wound composite material layer (3) is 0.15-10 mm.
8. The high-pressure gas receiver for a sporting air gun as set forth in claim 1, wherein: the protective layer (4) is formed by an elastic plastic layer; the thickness of the protective layer (4) is 0.15 mm-0.25 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939161.0U CN214369255U (en) | 2020-12-11 | 2020-12-11 | High-pressure gas storage pipe for shooting sport air gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022939161.0U CN214369255U (en) | 2020-12-11 | 2020-12-11 | High-pressure gas storage pipe for shooting sport air gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214369255U true CN214369255U (en) | 2021-10-08 |
Family
ID=77982209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022939161.0U Expired - Fee Related CN214369255U (en) | 2020-12-11 | 2020-12-11 | High-pressure gas storage pipe for shooting sport air gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214369255U (en) |
-
2020
- 2020-12-11 CN CN202022939161.0U patent/CN214369255U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211008 |