CN112043985A - Positive pressure respiratory air bottle - Google Patents
Positive pressure respiratory air bottle Download PDFInfo
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- CN112043985A CN112043985A CN202010938850.1A CN202010938850A CN112043985A CN 112043985 A CN112043985 A CN 112043985A CN 202010938850 A CN202010938850 A CN 202010938850A CN 112043985 A CN112043985 A CN 112043985A
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- China
- Prior art keywords
- aluminum alloy
- plastic
- bottle mouth
- positive pressure
- breathing gas
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/02—Respiratory apparatus with compressed oxygen or air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
Abstract
The present invention relates to a positive pressure breathing gas bottle, comprising: plastic inner container: one end of the plastic liner is provided with a cylindrical open pore structure protruding upwards, and the end part of the plastic liner is concave around the area of the cylindrical open pore structure to form a polygonal concave structure; aluminum alloy bottle mouth: the part of the cylindrical opening structure is embedded into the polygonal concave structure and wraps the cylindrical opening structure; and the sealing joint is fixedly connected with the aluminum alloy bottle mouth: the lower end of the inner tube extends into the cylindrical open pore structure and keeps sealed with the plastic inner container. Compared with the prior art, the gas cylinder has the advantages of simple structure, light weight, stable performance of the composite material winding layer and good safety, and can adapt to various working conditions.
Description
Technical Field
The invention belongs to the technical field of breathing air bottles, and relates to a positive pressure breathing air bottle.
Background
The breathing air bottle is made of high-strength materials, air is compressed to 30MPa and stored in the air bottle, a valve is opened by utilizing the positive pressure of the compressed air, and a proper amount of air is provided for users, so that the supply requirement of fresh air in special occasions is met. At present, the breathing gas bottle is widely applied to the fields of fire fighting, chemical engineering, ships, petroleum, smelting, laboratories, mines and the like, provides fire fighters, rescue and rescue personnel and related working personnel to safely and effectively carry out fire extinguishing, rescue and relief work and related test work under various environments such as dense smoke, toxic gas, steam or oxygen deficiency, and is an important personal breathing protection device which is related to the life safety of operating personnel. Therefore, the breathing gas bottle is required to have the characteristics of light weight, small volume, convenient use and maintenance, stable performance, good safety and the like.
Because the existing breathing gas cylinder is mostly a metal steel gas cylinder or a III-type gas cylinder, an aluminum alloy inner container is adopted to fully wind the gas cylinder, and because the breathing gas cylinder is a full-metal gas cylinder or a composite material reinforced aluminum alloy gas cylinder, the weight of the breathing gas cylinder is greatly increased under the conditions of storing air with the same volume and working pressure, the breathing gas cylinder is not beneficial to fire fighters, rescue and rescue personnel and related working personnel to safely and effectively extinguish fire, rescue and relief work and related test work in various special environments, and has obvious short plates.
Disclosure of Invention
The invention aims to provide a positive pressure breathing gas bottle, which reduces the whole weight of the breathing gas bottle by replacing an aluminum alloy inner container in the traditional fully-wound breathing gas bottle with a plastic inner container on the premise of ensuring that the breathing gas bottle has the same high safety performance and service performance. Compared with an aluminum alloy inner container, the plastic inner container has larger elongation rate, and can ensure that the gas cylinder can not be damaged by fatigue in the repeated gas charging and discharging process.
The purpose of the invention can be realized by the following technical scheme:
a positive pressure breathing gas bottle comprising:
plastic inner container: one end of the plastic liner is provided with a cylindrical open pore structure protruding upwards, and the end part of the plastic liner is concave around the area of the cylindrical open pore structure to form a polygonal concave structure;
aluminum alloy bottle mouth: the part of the cylindrical opening structure is embedded into the polygonal concave structure and wraps the cylindrical opening structure;
and the sealing joint is fixedly connected with the aluminum alloy bottle mouth: the lower end of the inner tube extends into the cylindrical open pore structure and keeps sealed with the plastic inner container.
Furthermore, the upper part of the aluminum alloy bottle mouth is processed into a flat surface, and the upper part of the aluminum alloy bottle mouth is also provided with a plastic cushion block.
Furthermore, the end socket part formed by the aluminum alloy bottle mouth, the plastic liner and the plastic cushion block is a smooth transitional arc surface.
Furthermore, the contact part of the aluminum alloy bottle mouth and the plastic liner is bonded and fixed by an adhesive.
Furthermore, the plastic cushion block is a PE plastic cushion block.
Furthermore, the outer leakage surfaces of the plastic inner container and the aluminum alloy bottle mouth are sequentially provided with a composite material layer and a protective layer from inside to outside.
Furthermore, the composite material layer is formed by winding carbon fibers and resin by a wet method.
Furthermore, the inner surface of the upper part of the aluminum alloy bottle mouth is also processed with an internal thread, the corresponding area of the outer surface of the sealing joint is also processed with an external thread matched with the internal thread, and the sealing joint and the aluminum alloy bottle mouth are fixed by the thread through the internal thread and the external thread.
Furthermore, the parts of the sealing joint, which are respectively contacted with the inner side surface and the top end surface of the cylindrical open pore structure, are also provided with annular grooves, and sealing rings are placed in the second annular grooves.
Furthermore, the inner side of the top of the sealing joint is also provided with a thread structure for installing the air valve.
Compared with the prior art, the invention has the advantages that on the premise of ensuring the strength and the use safety of the material, the metal inner container is replaced by the plastic inner container, the outer layer is provided with the carbon fiber composite material reinforcing layer and the glass fiber protective layer, meanwhile, the sealing measure is improved, the use performance is ensured, and the quality improvement and the weight reduction of the breathing gas bottle are realized. The gas cylinder has the advantages of simple structure, light weight, stable performance of the composite material winding layer and good safety, and can be used under various working conditions.
Drawings
FIG. 1 is an external schematic view of a positive pressure breathing gas cylinder;
FIG. 2 is a schematic longitudinal cross-sectional view of a positive pressure breathing gas cylinder;
the notation in the figure is:
the plastic bottle comprises a plastic liner 1, an aluminum alloy bottle mouth 2, a plastic cushion block 3, a sealing joint 4, a sealing ring 5, a composite material layer 6, a protective layer 7, a polygonal concave structure 8 and a cylindrical open pore structure 9.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, unless otherwise specified, all of the materials are conventional and commercially available materials in the art; and functional components or structures that are not specifically described are all conventional components or structures in the art for performing the corresponding functions.
The invention provides a positive pressure breathing gas bottle, the structure of which is shown in figures 1 and 2, and the positive pressure breathing gas bottle comprises:
plastic inner container 1: one end of the plastic liner is provided with a cylindrical open pore structure 9 protruding upwards, and the end part of the plastic liner 1 is concave around the area of the cylindrical open pore structure 9 to form a polygonal concave structure 8;
2, aluminum alloy bottle mouth: partially embedded in said polygonal concave structure 8 and enveloping said cylindrical open structure 9;
and the sealing joint 4 fixedly connected with the aluminum alloy bottle mouth 2: the lower end of the inner container extends into the cylindrical open pore structure 9 and keeps sealed with the plastic inner container 1.
In a specific embodiment, the upper part of the aluminum alloy bottle mouth 2 is processed into a flat surface, and the plastic cushion block 3 is further installed on the upper part of the aluminum alloy bottle mouth 2. Like this, can further lighten whole weight, simultaneously, adopt plastic cushion 3 cover at aluminum alloy bottleneck 2, also can be better with the cooperation of plastic inner bag 1 and form the surface arc surface structure of body.
In a more specific embodiment, the end enclosure part formed by the aluminum alloy bottle mouth 2, the plastic liner 1 and the plastic cushion block 3 is a smooth transitional arc surface.
In a more specific embodiment, the contact part of the aluminum alloy bottle mouth 2 and the plastic liner 1 is bonded and fixed by an adhesive. In order to promote the adhesion, the outer surface of the plastic inner container 1 may be plasma treated.
In a more specific embodiment, the plastic spacer 3 is a PE plastic spacer 3.
In a specific embodiment, the composite material layer 6 and the protective layer 7 are sequentially arranged on the outer leakage surfaces of the plastic liner 1 and the aluminum alloy bottle mouth 2 from inside to outside. In a more specific embodiment, the composite material layer 6 is formed by wet winding carbon fibers and resin, and the protective layer 7 is formed by winding glass fibers. When the composite material layer 6 and the protective layer 7 are specifically arranged, the curing molding of the resin can be performed after the carbon fiber and the glass fiber are sequentially wound.
In a specific embodiment, the inner surface of the upper part of the aluminum alloy bottle mouth 2 is also processed with an internal thread, the corresponding area of the outer surface of the sealing joint 4 is also processed with an external thread matched with the internal thread, and the sealing joint 4 and the aluminum alloy bottle mouth 2 are fixed in a threaded manner through the internal thread and the external thread. The connection of the internal thread and the external thread can ensure better sealing effect, and meanwhile, the installation and the disassembly are also very convenient.
In a specific embodiment, the sealing joint 4 is further provided with an annular groove at the portion contacting with the inner side surface and the top end surface of the cylindrical open pore structure 9, and a sealing ring 5 is placed in the first annular groove, so that the overall sealing effect can be further improved by the arrangement of the annular groove and the sealing ring 5.
In a specific embodiment, the top inner side of the sealing joint 4 is also provided with a thread structure for installing the air valve. In addition, the sealing joint 4 is also provided with an air passage which is communicated up and down, and the inner side of the top of the air passage is provided with the thread structure.
The above embodiments may be implemented individually, or in any combination of two or more.
The above embodiments will be described in more detail with reference to specific examples.
Example 1:
this embodiment proposes a positive pressure breathing gas bottle, the structure of which is shown in fig. 1 and 2, comprising:
plastic inner container 1: one end of the plastic liner is provided with a cylindrical open pore structure 9 protruding upwards, and the end part of the plastic liner 1 is concave around the area of the cylindrical open pore structure 9 to form a polygonal concave structure 8;
2, aluminum alloy bottle mouth: the part of the structure is embedded into the polygonal concave structure 8 and wraps the cylindrical open pore structure 9;
and the sealing joint 4 fixedly connected with the aluminum alloy bottle mouth 2: the lower end of the inner container extends into the cylindrical open pore structure 9 and keeps sealed with the plastic inner container 1.
Referring to fig. 2 again, the upper part of the aluminum alloy bottle mouth 2 is processed into a flat surface, and a plastic cushion block 3 is further mounted on the upper part of the aluminum alloy bottle mouth 2. Like this, can further lighten whole weight, simultaneously, adopt plastic cushion 3 cover at aluminum alloy bottleneck 2, also can be better with the cooperation of plastic inner bag 1 and form the surface arc surface structure of body. The end enclosure part formed by the aluminum alloy bottle mouth 2, the plastic liner 1 and the plastic cushion block 3 is a smooth transitional arc surface. The contact part of the aluminum alloy bottle mouth 2 and the plastic liner 1 is bonded and fixed by an adhesive. In order to promote the adhesion, the outer surface of the plastic inner container 1 may be plasma treated. The plastic cushion block 3 is a PE plastic cushion block 3.
Referring to fig. 2 again, the composite material layer 6 and the protective layer 7 are sequentially arranged on the outer leakage surface of the plastic liner 1 and the aluminum alloy bottle mouth 2 from inside to outside. In a more specific embodiment, the composite material layer 6 is formed by wet winding carbon fibers and resin, and the protective layer 7 is formed by winding glass fibers. When the composite material layer 6 and the protective layer 7 are specifically arranged, the curing molding of the resin can be performed after the carbon fiber and the glass fiber are sequentially wound.
Referring to fig. 2 again, an internal thread is further processed on the inner surface of the upper portion of the aluminum alloy bottle mouth 2, an external thread matched with the internal thread is further processed on the corresponding area of the outer surface of the sealing joint 4, and the sealing joint 4 and the aluminum alloy bottle mouth 2 are fixed in a threaded mode through the internal thread and the external thread. The connection of the internal thread and the external thread can ensure better sealing effect, and meanwhile, the installation and the disassembly are also very convenient. The part of the sealing joint 4 which is respectively contacted with the inner side surface and the top end surface of the cylindrical open pore structure 9 is also provided with an annular groove, a sealing ring 5 is arranged in the second annular groove, and the arrangement of the annular groove and the sealing ring 5 is adopted, so that the overall sealing effect can be further improved. The top inner side of the sealing joint 4 is also provided with a thread structure for installing the air valve.
The specific processing process can be referred to as follows:
taking a 6.8L breathing gas bottle as an example, a corresponding plastic liner 1 is processed according to the size of the gas bottle, the outer diameter of the plastic liner 1 of the gas bottle is phi 144mm, the total length is about 510mm, the wall thickness of the plastic liner 1 is 2mm, and the outer side surface of the plastic liner 1 is subjected to low-temperature plasma treatment. The aluminum alloy bottle mouth 2 is processed according to the size, the plastic cushion block 3 and the sealing joint 4 are processed, the aluminum alloy bottle mouth 2 is installed on the plastic inner container 1 through glue adding, the sealing ring 5 is installed on the sealing joint 4, the plastic cushion block 3 is installed on the outer side of the aluminum alloy bottle mouth 2, the sealing joint 4 and the aluminum alloy bottle mouth 2 are installed together, tightening is noticed, the sealing ring 5 is guaranteed to play a sealing role, the assembly of the gas cylinder inner container is completed, and the weight of the gas cylinder inner container of the model is about 1 KG.
The composite material layer 6 preferably adopts the following design, namely the thickness ratio of the hoop layer to the spiral layer is 2: 1, the weight of the composite material layer 6 is about 1.8KG, the used material is carbon fiber of T700 grade 12K, four strands of fiber are wound simultaneously, and the width of the wound yarn sheet is 15 mm. And winding the carbon fiber, then winding a protective layer 7 (preferably glass fiber), and finally curing and forming.
The embodiments described above are described to facilitate an understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.
Claims (10)
1. A positive pressure breathing gas cylinder, comprising:
plastic inner container: one end of the plastic liner is provided with a cylindrical open pore structure protruding upwards, and the end part of the plastic liner is concave around the area of the cylindrical open pore structure to form a polygonal concave structure;
aluminum alloy bottle mouth: the part of the cylindrical opening structure is embedded into the polygonal concave structure and wraps the cylindrical opening structure;
and the sealing joint is fixedly connected with the aluminum alloy bottle mouth: the lower end of the inner tube extends into the cylindrical open pore structure and keeps sealed with the plastic inner container.
2. The positive pressure breathing gas bottle according to claim 1, wherein the upper part of the aluminum alloy bottle mouth is processed into a flat surface, and a plastic cushion block is further mounted on the upper part of the aluminum alloy bottle mouth.
3. The positive pressure breathing gas bottle according to claim 2, wherein the sealing head part formed by the aluminum alloy bottle mouth, the plastic liner and the plastic cushion is a smooth transitional arc surface.
4. The positive pressure breathing gas bottle according to claim 2, wherein the contact part of the aluminum alloy bottle mouth and the plastic inner container is bonded and fixed by an adhesive.
5. The positive pressure breathing gas cylinder of claim 2 wherein said plastic spacer is a PE plastic spacer.
6. The positive pressure breathing gas bottle according to claim 1, wherein the composite material layer and the protective layer are sequentially arranged on the outer leakage surface of the plastic liner and the aluminum alloy bottle mouth from inside to outside.
7. The positive airway pressure bottle of claim 6 wherein the composite layer is formed by wet-entangling carbon fibers with a resin.
8. The positive pressure breathing gas bottle according to claim 1, wherein an internal thread is further processed on the inner surface of the upper part of the aluminum alloy bottle mouth, an external thread matched with the internal thread is further processed on the corresponding area of the outer surface of the sealing joint, and the sealing joint and the aluminum alloy bottle mouth are fixed in a threaded manner through the internal thread and the external thread.
9. A positive pressure breathing gas cylinder according to claim 1 wherein the sealing nipple is further formed with an annular groove in the portion thereof which contacts the inside surface and the top end surface of the cylindrical opening structure, respectively, and a sealing ring is disposed in the second groove.
10. The positive pressure breathing gas cylinder according to claim 1 wherein the top inner side of the sealing nipple is further provided with a thread structure for mounting a gas valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938850.1A CN112043985A (en) | 2020-09-09 | 2020-09-09 | Positive pressure respiratory air bottle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010938850.1A CN112043985A (en) | 2020-09-09 | 2020-09-09 | Positive pressure respiratory air bottle |
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| Publication Number | Publication Date |
|---|---|
| CN112043985A true CN112043985A (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010938850.1A Pending CN112043985A (en) | 2020-09-09 | 2020-09-09 | Positive pressure respiratory air bottle |
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| CN (1) | CN112043985A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356702Y (en) * | 1998-01-23 | 2000-01-05 | 抚顺煤矿安全仪器总厂 | High-pressure composite cylinder type oxygen respirator |
| CN201082318Y (en) * | 2007-09-05 | 2008-07-09 | 杨国建 | Mechanical type positive pressure air respirator |
| US20090178675A1 (en) * | 2006-08-16 | 2009-07-16 | Turiello Anthony J | Breathable air safety system and method |
| CN203620108U (en) * | 2013-12-10 | 2014-06-04 | 江山市海维输变电科技有限公司 | Positive pressure air breathing apparatus |
| CN203687371U (en) * | 2013-10-31 | 2014-07-02 | 芜湖美的厨卫电器制造有限公司 | Composite inner container and water heater with same |
| CN209587649U (en) * | 2019-02-18 | 2019-11-05 | 沈阳欧施盾新材料科技有限公司 | The bottleneck structure of plastic inner container pressure vessel |
| CN111174083A (en) * | 2019-12-27 | 2020-05-19 | 东南大学 | Novel high-pressure composite gas cylinder |
| CN111219591A (en) * | 2020-03-18 | 2020-06-02 | 航天金鹏科技装备（北京）有限公司 | Gas cylinder type voltage-stabilizing dual-mode oxygen supply device |
-
2020
- 2020-09-09 CN CN202010938850.1A patent/CN112043985A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2356702Y (en) * | 1998-01-23 | 2000-01-05 | 抚顺煤矿安全仪器总厂 | High-pressure composite cylinder type oxygen respirator |
| US20090178675A1 (en) * | 2006-08-16 | 2009-07-16 | Turiello Anthony J | Breathable air safety system and method |
| CN201082318Y (en) * | 2007-09-05 | 2008-07-09 | 杨国建 | Mechanical type positive pressure air respirator |
| CN203687371U (en) * | 2013-10-31 | 2014-07-02 | 芜湖美的厨卫电器制造有限公司 | Composite inner container and water heater with same |
| CN203620108U (en) * | 2013-12-10 | 2014-06-04 | 江山市海维输变电科技有限公司 | Positive pressure air breathing apparatus |
| CN209587649U (en) * | 2019-02-18 | 2019-11-05 | 沈阳欧施盾新材料科技有限公司 | The bottleneck structure of plastic inner container pressure vessel |
| CN111174083A (en) * | 2019-12-27 | 2020-05-19 | 东南大学 | Novel high-pressure composite gas cylinder |
| CN111219591A (en) * | 2020-03-18 | 2020-06-02 | 航天金鹏科技装备（北京）有限公司 | Gas cylinder type voltage-stabilizing dual-mode oxygen supply device |
Non-Patent Citations (1)
| Title |
|---|
| 张玉龙等: "《塑料低压成型制品配方设计与加工实例》", 31 January 2006, 国防工业出版社 * |
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Application publication date: 20201208 |
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| RJ01 | Rejection of invention patent application after publication |