CN112682685A - U-shaped high-pressure gas cylinder - Google Patents
U-shaped high-pressure gas cylinder Download PDFInfo
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- CN112682685A CN112682685A CN202011466294.9A CN202011466294A CN112682685A CN 112682685 A CN112682685 A CN 112682685A CN 202011466294 A CN202011466294 A CN 202011466294A CN 112682685 A CN112682685 A CN 112682685A
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- Prior art keywords
- truncated cone
- circular truncated
- cone portion
- plug
- sealing
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- 238000007789 sealing Methods 0.000 claims abstract description 65
- 230000000694 effects Effects 0.000 abstract description 12
- 239000007789 gas Substances 0.000 description 14
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 230000009194 climbing Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a U-shaped high-pressure gas cylinder which comprises a U-shaped pipe, a first plug and a second plug, wherein the first plug is connected with the U-shaped pipe; an accommodating cavity is formed in the U-shaped pipe, and second openings of the first openings communicated with the accommodating cavity are formed in two ends of the U-shaped pipe respectively; the first plug and the second plug are respectively connected with the first opening and the second opening in a sealing mode. When the portable U-shaped tube is used, the U-shaped tube is directly worn at the neck of a user to liberate hands, so that the portable U-shaped tube is convenient to carry and operate by the user, and the sealing effect is good.
Description
Technical Field
The invention relates to a high-pressure gas cylinder, in particular to a U-shaped high-pressure gas cylinder.
Background
The oxygen cylinder is widely applied to the fields of medical treatment, fire fighting, emergency treatment and the like, and also widely applied to outdoor exercises such as plateau travel, mountain climbing, diving and the like, hotels and families. At present, most portable oxygen cylinders in the market are straight cylinders, oxygen is pressurized and filled into the cylinders, and a squeezing valve is used for directly sucking, inserting a conduit and installing a mask to suck the oxygen. These products all have the advantage of being small and lightweight. They have a disadvantage in that the design does not consider convenience of use: when the oxygen cylinder is used, one hand needs to be vacated to hold the oxygen cylinder, so that other activities can be carried out only by using one hand, and the use is not convenient enough.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the U-shaped high-pressure gas cylinder which is simple and reasonable in structure and convenient to carry and use.
The purpose of the invention is realized by the following technical scheme: the U-shaped high-pressure gas cylinder comprises a U-shaped pipe, a first plug and a second plug; an accommodating cavity is formed in the U-shaped pipe, and second openings of the first openings communicated with the accommodating cavity are formed in two ends of the U-shaped pipe respectively; the first plug and the second plug are respectively connected with the first opening and the second opening in a sealing mode.
Preferably, the first plug comprises a first circular truncated cone part, a first cylindrical part, a second cylindrical part and a sealing end cover, the first cylindrical part, the first circular truncated cone part, the second cylindrical part and the sealing end cover are sequentially connected, and the first cylindrical part, the first circular truncated cone part, the second cylindrical part and the sealing end cover are integrally formed; the outer diameter of the first circular truncated cone portion is gradually increased along the direction from the first circular truncated cone portion to the second circular truncated cone portion, the first opening is provided with a first conical inner wall matched with the outer contour of the first circular truncated cone portion, the first circular truncated cone portion and the first circular truncated cone portion are embedded into the first opening, and the first circular truncated cone portion is connected with the first conical inner wall in a sealing mode.
Preferably, the diameter of the first cylindrical portion is larger than the diameter of the second cylindrical portion.
Preferably, the outer wall of the first circular truncated cone portion is provided with at least one first sealing groove, and a first sealing ring is mounted in the first sealing groove.
Preferably, the second plug comprises a second circular truncated cone part, a third circular truncated cone part, a fourth circular truncated cone part and a connecting end cover, the third circular truncated cone part, the fourth circular truncated cone part and the connecting end cover are sequentially connected, and the third circular truncated cone part, the second circular truncated cone part, the fourth circular truncated cone part and the connecting end cover are integrally formed; the outer diameter of the second circular truncated cone portion gradually increases along the direction from the third circular truncated cone portion to the fourth circular truncated cone portion, the second opening is provided with a second conical inner wall matched with the outer contour of the second circular truncated cone portion, the third circular truncated cone portion and the second circular truncated cone portion are embedded into the second opening, and the second circular truncated cone portion is connected with the second conical inner wall in a sealing mode.
Preferably, the third cylindrical portion has an outer diameter larger than that of the fourth cylindrical portion.
Preferably, the outer wall of the second circular table portion is provided with at least one second sealing groove, and a second sealing ring is mounted in the second sealing groove.
Preferably, the connection end cover is provided with a vent hole connected with an external cylinder valve, the vent hole comprises a first constant section, a gradual change section and a second constant section, the aperture of the first constant section is larger than that of the second constant section, the aperture of the gradual change section is gradually reduced from the first constant section to the second constant section, and the first constant section, the gradual change section and the second constant section are sequentially connected.
Compared with the prior art, the invention has the following advantages:
1. this U-shaped high pressure gas cylinder mainly adopts U-shaped pipe, first end cap and second end cap to constitute, and wherein the both ends that U-shaped pipe was sealed respectively to first end cap and second end cap seal up, and this simple structure wears the U-shaped pipe at user's neck with direct when using to liberation both hands, this operation that both conveniently carries also make things convenient for user of service.
2. According to the U-shaped high-pressure gas cylinder, the first plug and the second plug are respectively in sealing connection with the first opening and the second opening, and the inverted conical surface sealing structures are adopted, so that the sealing effect is improved, and the first plug and the second plug can be prevented from loosening.
Drawings
Fig. 1 is a schematic structural view of a U-shaped high-pressure gas cylinder of the present invention.
Fig. 2 is a sectional view of the U-shaped high pressure gas cylinder of the present invention.
Fig. 3 is a schematic view of the first plug and the first opening of the present invention.
Fig. 4 is a schematic view of a second plug and a second opening of the present invention.
Figure 5 is a cross-sectional view of a U-shaped tube of the present invention.
Fig. 6 is a cross-sectional view of a first plug of the present invention.
Fig. 7 is a cross-sectional view of a second plug of the present invention.
The sealing structure comprises a U-shaped pipe 1, a first plug 2, a first circular truncated cone 201, a first cylindrical part 202, a second cylindrical part 203, a sealing end cover 204, a second plug 3, a second circular truncated cone 301, a third cylindrical part 302, a third cylindrical part 303, a third cylindrical part 304, a connecting end cover, a containing cavity 4, a first opening 5, a second opening 6, a first conical inner wall 7, a second conical inner wall 8, a first sealing groove 9, a first sealing ring 10, a second sealing groove 11, a second sealing ring 12, a vent hole 13, a first constant section 1301, a gradual change section 1302 and a second constant section 1303.
Detailed Description
The invention is further illustrated by the following figures and examples.
The U-shaped high-pressure gas cylinder shown in fig. 1 and 2 comprises a U-shaped pipe, a first plug and a second plug; an accommodating cavity is formed in the U-shaped pipe, and second openings of the first openings communicated with the accommodating cavity are formed in two ends of the U-shaped pipe respectively; the first plug and the second plug are respectively connected with the first opening and the second opening in a sealing mode. Specifically, the U-shaped pipe utilizes the necking process to form the inner wall of opening (namely first opening and second opening) with the reverse toper curved surface of the toper curved surface of round platform portion (namely first round platform portion and second round platform portion), and this adopts 2 reverse toper curved surfaces to constitute back taper seal structure to improve sealed effect, guarantee the fastness of being connected between end cap and the opening.
As shown in fig. 2, 3, 5 and 6, the first plug includes a first circular truncated cone portion, a first cylindrical portion, a second cylindrical portion and a sealing end cap, the first cylindrical portion, the first circular truncated cone portion, the second cylindrical portion and the sealing end cap are connected in sequence, and the first cylindrical portion, the first circular truncated cone portion, the second cylindrical portion and the sealing end cap are integrally formed; the outer diameter of the first circular truncated cone portion is gradually increased along the direction from the first circular truncated cone portion to the second circular truncated cone portion, the first opening is provided with a first conical inner wall matched with the outer contour of the first circular truncated cone portion, the first circular truncated cone portion and the first circular truncated cone portion are embedded into the first opening, and the first circular truncated cone portion is connected with the first conical inner wall in a sealing mode. The diameter of the first cylindrical portion is larger than the diameter of the second cylindrical portion. The outer wall of the first circular truncated cone portion is a conical curved surface, the conical curved surface opposite to the conical curved surface of the first circular truncated cone portion is arranged on the first conical inner wall of the first opening, and after the first circular truncated cone portion is embedded into the first opening, 2 reverse conical curved surfaces form an inverted conical surface sealing structure, so that the first plug and the first opening are in sealing connection, sealing effect is improved, and looseness of the first plug is also prevented. And the outer wall of the first cylindrical part is tightly attached to the inner wall of the accommodating cavity, so that the contact area between the first plug and the inner wall of the accommodating cavity is enlarged, and the sealing effect is further improved. Meanwhile, the contact surface between the first plug and the inner wall of the accommodating cavity can be enlarged due to the arrangement of the first cylindrical part and the second cylindrical part, so that the friction force is improved, the sealing effect is further improved, and the firmness of the first plug is further improved to avoid looseness.
As shown in fig. 3 and 6, the outer wall of the first circular truncated cone portion is provided with at least one first sealing groove, and the first sealing groove is provided with a first sealing ring. In this embodiment, the number of the first sealing grooves is 3, and the number can be determined according to actual requirements, and an appropriate number is adopted to improve the sealing effect. The structure is simple, and the sealing effect between the first plug and the first opening can be further improved by utilizing the sealing ring.
As shown in fig. 2, 4, 5 and 7, the second plug includes a second circular truncated cone portion, a third circular truncated cone portion, a fourth circular truncated cone portion and a connecting end cap, the third circular truncated cone portion, the fourth circular truncated cone portion and the connecting end cap are connected in sequence, and the third circular truncated cone portion, the second circular truncated cone portion, the fourth circular truncated cone portion and the connecting end cap are integrally formed; the outer diameter of the second circular truncated cone portion gradually increases along the direction from the third circular truncated cone portion to the fourth circular truncated cone portion, the second opening is provided with a second conical inner wall matched with the outer contour of the second circular truncated cone portion, the third circular truncated cone portion and the second circular truncated cone portion are embedded into the second opening, and the second circular truncated cone portion is connected with the second conical inner wall in a sealing mode. The third cylindrical portion has an outer diameter larger than an outer diameter of the fourth cylindrical portion. The shape of the second plug is similar to that of the first plug, but the second plug has more vent holes relative to the first plug so as to be conveniently connected with the external gas cylinder valve in a sealing way. And the second plug and the second opening are also in sealing connection through an inverted conical sealing structure formed by 2 reverse conical curved surfaces so as to achieve a good sealing effect.
The outer wall of the second circular table part is provided with at least one second sealing groove, and a second sealing ring is installed on the second sealing groove. In this embodiment, the number of the second sealing grooves is 3, which can be determined according to actual requirements, and an appropriate number is adopted to improve the sealing effect. The structure is simple, and the sealing effect between the second plug and the second opening can be further improved by utilizing the sealing ring.
The connecting end cover is provided with an air vent connected with an external gas cylinder valve, the air vent comprises a first constant section, a gradual change section and a second constant section, the aperture of the first constant section is larger than that of the second constant section, the aperture of the gradual change section is gradually reduced from the first constant section to the second constant section, and the first constant section, the gradual change section and the second constant section are sequentially connected. The vent hole of the structure is convenient to be connected with the external gas cylinder valve in a sealing way, and the reliability of the U-shaped high-pressure gas cylinder is further improved.
The above-mentioned embodiments are preferred embodiments of the present invention, and the present invention is not limited thereto, and any other modifications or equivalent substitutions that do not depart from the technical spirit of the present invention are included in the scope of the present invention.
Claims (8)
1. A U-shaped high-pressure gas cylinder is characterized in that: the device comprises a U-shaped pipe, a first plug and a second plug; an accommodating cavity is formed in the U-shaped pipe, and second openings of the first openings communicated with the accommodating cavity are formed in two ends of the U-shaped pipe respectively; the first plug and the second plug are respectively connected with the first opening and the second opening in a sealing mode.
2. The U-shaped high pressure gas cylinder according to claim 1, characterized in that: the first plug comprises a first circular truncated cone part, a first cylindrical part, a second cylindrical part and a sealing end cover, wherein the first cylindrical part, the first circular truncated cone part, the second cylindrical part and the sealing end cover are sequentially connected, and the first cylindrical part, the first circular truncated cone part, the second cylindrical part and the sealing end cover are integrally formed; the outer diameter of the first circular truncated cone portion is gradually increased along the direction from the first circular truncated cone portion to the second circular truncated cone portion, the first opening is provided with a first conical inner wall matched with the outer contour of the first circular truncated cone portion, the first circular truncated cone portion and the first circular truncated cone portion are embedded into the first opening, and the first circular truncated cone portion is connected with the first conical inner wall in a sealing mode.
3. The U-shaped high pressure gas cylinder according to claim 2, characterized in that: the diameter of the first cylindrical portion is larger than the diameter of the second cylindrical portion.
4. The U-shaped high pressure gas cylinder according to claim 2, characterized in that: the outer wall of the first circular table part is provided with at least one first sealing groove, and a first sealing ring is installed on the first sealing groove.
5. The U-shaped high pressure gas cylinder according to claim 1, characterized in that: the second plug comprises a second circular truncated cone part, a third circular truncated cone part, a fourth circular truncated cone part and a connecting end cover, the third circular truncated cone part, the fourth circular truncated cone part and the connecting end cover are sequentially connected, and the third circular truncated cone part, the second circular truncated cone part, the fourth circular truncated cone part and the connecting end cover are integrally formed; the outer diameter of the second circular truncated cone portion gradually increases along the direction from the third circular truncated cone portion to the fourth circular truncated cone portion, the second opening is provided with a second conical inner wall matched with the outer contour of the second circular truncated cone portion, the third circular truncated cone portion and the second circular truncated cone portion are embedded into the second opening, and the second circular truncated cone portion is connected with the second conical inner wall in a sealing mode.
6. The U-shaped high pressure gas cylinder according to claim 5, characterized in that: the third cylindrical portion has an outer diameter larger than an outer diameter of the fourth cylindrical portion.
7. The U-shaped high pressure gas cylinder according to claim 5, characterized in that: the outer wall of the second circular table part is provided with at least one second sealing groove, and a second sealing ring is installed on the second sealing groove.
8. The U-shaped high pressure gas cylinder according to claim 5, characterized in that: the connecting end cover is provided with an air vent connected with an external gas cylinder valve, the air vent comprises a first constant section, a gradual change section and a second constant section, the aperture of the first constant section is larger than that of the second constant section, the aperture of the gradual change section is gradually reduced from the first constant section to the second constant section, and the first constant section, the gradual change section and the second constant section are sequentially connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466294.9A CN112682685A (en) | 2020-12-14 | 2020-12-14 | U-shaped high-pressure gas cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011466294.9A CN112682685A (en) | 2020-12-14 | 2020-12-14 | U-shaped high-pressure gas cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112682685A true CN112682685A (en) | 2021-04-20 |
Family
ID=75449369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011466294.9A Pending CN112682685A (en) | 2020-12-14 | 2020-12-14 | U-shaped high-pressure gas cylinder |
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| Country | Link |
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| CN (1) | CN112682685A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776203A (en) * | 2010-01-20 | 2010-07-14 | 中国船舶重工集团公司第七二五研究所 | Manufacturing method of ring-shaped titanium alloy high-pressure cylinder |
| CN102502151A (en) * | 2011-11-23 | 2012-06-20 | 自贡市华气科技开发有限公司 | Multi-stage sealing adjustable full-bore type wellhead device |
| KR101373780B1 (en) * | 2012-12-28 | 2014-03-13 | 주식회사 파워록 | Check valve for vehicle using gas |
| CN204026134U (en) * | 2014-06-18 | 2014-12-17 | 台大工业气体(太仓）有限公司 | A kind of gas cylinder mark pipe joint |
| CN204901157U (en) * | 2015-08-27 | 2015-12-23 | 杭州恒通金属软管有限公司 | Nonrust corrugated steel pipe's connector |
-
2020
- 2020-12-14 CN CN202011466294.9A patent/CN112682685A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101776203A (en) * | 2010-01-20 | 2010-07-14 | 中国船舶重工集团公司第七二五研究所 | Manufacturing method of ring-shaped titanium alloy high-pressure cylinder |
| CN102502151A (en) * | 2011-11-23 | 2012-06-20 | 自贡市华气科技开发有限公司 | Multi-stage sealing adjustable full-bore type wellhead device |
| KR101373780B1 (en) * | 2012-12-28 | 2014-03-13 | 주식회사 파워록 | Check valve for vehicle using gas |
| CN204026134U (en) * | 2014-06-18 | 2014-12-17 | 台大工业气体(太仓）有限公司 | A kind of gas cylinder mark pipe joint |
| CN204901157U (en) * | 2015-08-27 | 2015-12-23 | 杭州恒通金属软管有限公司 | Nonrust corrugated steel pipe's connector |
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