CN112728406A - Sealing cover for high-pressure fluid storage device and packaging method - Google Patents
Sealing cover for high-pressure fluid storage device and packaging method Download PDFInfo
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- CN112728406A CN112728406A CN202011615758.8A CN202011615758A CN112728406A CN 112728406 A CN112728406 A CN 112728406A CN 202011615758 A CN202011615758 A CN 202011615758A CN 112728406 A CN112728406 A CN 112728406A
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- Prior art keywords
- storage device
- fluid storage
- cavity
- pressure fluid
- cavities
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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
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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
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention discloses a sealing cover for a high-pressure fluid storage device, which comprises a cap body; the cap is characterized by comprising at least two cavities which are arranged in the cap body in sequence, wherein the side wall of each cavity is provided with a filling opening for filling fluid, the filling opening is also provided with a rubber guide groove, a certain pressure intensity is preset in each cavity, and the pressure intensity in each cavity is gradually reduced along the direction far away from the high-pressure fluid storage device. Through setting up a plurality of cavities that have pressure, and pressure diminishes along keeping away from high-pressure fluid storage device direction gradually for pressure is balanced in the closing cap, can make the bottle lid of high-pressure gas pitcher with general material, and the device simple structure is portable reliable.
Description
Technical Field
The present invention relates to the field of fluid control technologies, and in particular, to a sealing cap and a sealing method for a high-pressure fluid storage device.
Background
At present, with the wider application of high-pressure fluid storage devices such as high-pressure gas cylinders, release devices for high-pressure fluid, such as high-pressure gas percussion devices capable of quickly percussion and release in a short time, become a research field which is more and more important in the industry. However, at present, the storage of high-pressure fluid still has a great risk, and for the sealing cover of the high-pressure fluid storage device, high-strength materials are correspondingly needed to meet the safety specification of use, so that the manufacturing cost is greatly required. Moreover, the higher the strength of the high-pressure fluid storage device cover, the more difficult the firing is to be realized, and therefore, it is necessary to provide a cover for a high-pressure fluid storage device to solve the above problems.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides the sealing cover of the high-pressure fluid storage device, which can realize safe storage and quick firing, and the manufacturing method thereof.
The technical scheme is as follows: a closure for a high pressure fluid storage device, comprising:
a cap body;
the cap is characterized by comprising at least two cavities which are arranged in the cap body in sequence, wherein the side wall of each cavity is provided with a filling opening for filling fluid, the filling opening is also provided with a rubber guide groove, a certain pressure intensity is preset in each cavity, and the pressure intensity in each cavity is gradually reduced along the direction far away from the high-pressure fluid storage device.
Further, each of the cavities is arranged linearly, and the pressure within each of the cavities decreases in an equal difference in a direction away from the high pressure fluid storage device.
Further, the thickness of the side wall of the cavity is more than or equal to 1.2 times of the thickness of the top wall of the cavity.
Furthermore, the top of the cap body is provided with impact points made of fragile materials, the bottoms of the cavities are correspondingly provided with impact points, and the impact points with different heights are arranged along the vertical projection position.
Further, the at least two cavities include a first cavity and a second cavity, the first cavity and the second cavity are sealed with each other through a partition plate, the first cavity is used for being communicated with a high-pressure fluid storage device, the pressure of fluid in the second cavity is smaller than the pressure in the high-pressure fluid storage device, and the pressure difference between the first cavity and the second cavity is smaller than the strength yield limit of the partition plate.
Further, the cavities are nested layer by layer.
Furthermore, each cavity is provided with a filling opening for filling fluid, the filling opening extends out of the cap body, and a glue guide groove is formed in the filling opening.
A method of packaging a high pressure fluid storage device, comprising the steps of:
applying glue to the high pressure fluid storage device opening, bonding the closure of any one of claims 1-8 to the high pressure fluid storage device opening, and ultrasonically welding seamlessly;
injecting fluid into the high-pressure fluid storage device and the cavities through the filling ports of the cavities and pressurizing the high-pressure fluid storage device and the cavities to a preset pressure;
glue is injected through the glue guide groove, and the filling opening is sealed through ultrasonic seamless welding fusion.
Has the advantages that: according to the sealing cover for the high-pressure fluid storage device, the plurality of cavities with pressure intensity are arranged, and the pressure intensity gradually decreases along the direction far away from the high-pressure fluid storage device, so that the pressure intensity in the sealing cover is balanced, the bottle cover of the high-pressure gas tank can be made of universal materials, and the device is simple in structure, portable and reliable.
Drawings
FIG. 1 is a schematic plan sectional view of embodiment 1 of a closure for a high pressure fluid storage device of the present invention;
FIG. 2 is a schematic plan sectional view of embodiment 2 of the closure for a high pressure fluid storage device of the present invention;
fig. 3 is a flow chart illustrating a method for packaging a high pressure fluid storage device according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the description relating to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Example 1:
referring to fig. 1, an embodiment 1 of a closure for a high pressure fluid storage device of the present invention comprises: the cap comprises a cap body 1 and two cavities arranged in the cap body in sequence, wherein a filling opening 4 used for filling fluid is formed in the side wall of each cavity, a glue guide groove 41 is further formed in the filling opening, a certain pressure intensity is preset in each cavity, and the pressure intensity in each cavity is gradually reduced along the direction far away from the high-pressure fluid storage device.
Through setting up a plurality of cavities that have pressure, and pressure diminishes along keeping away from high-pressure fluid storage device direction gradually for pressure is balanced in the closing cap, can make the bottle lid of high-pressure gas pitcher with general material, and the device simple structure is portable reliable.
As a further optimization of this embodiment, each of the cavities is arranged linearly, and the pressure within each of the cavities decreases in an equal difference in a direction away from the high pressure fluid storage device. Compared with the existing common sealing cover, the sealing cover disclosed by the invention has a slightly complex structure, and the cavities which are linearly arranged are used, so that the structure is simpler, and compared with other schemes, the sealing cover is more suitable for production and processing, and the manufacturing difficulty is reduced.
Specifically, the cavity side wall thickness is greater than or equal to 1.2 times the cavity top wall thickness. Preferably 1.5 times, to increase the pressure bearing strength of the sidewall and prevent cracking.
In this embodiment, in order to facilitate the release of the high-pressure fluid, the top of the cap body is provided with impact points 3 made of a fragile material, the bottom of each cavity is correspondingly provided with the impact points 3, and the impact points 3 with different heights are arranged along the vertical projection position, so that the firing device such as a steel needle can rapidly puncture the sealing cover to guide out the high-pressure fluid.
In this embodiment, the two cavities include a first cavity 11 and a second cavity 12, the first cavity 11 and the second cavity 12 are sealed with each other by a partition plate 2, the first cavity 11 is used for communicating with a high-pressure fluid storage device, the pressure of fluid in the second cavity 12 is lower than the pressure in the high-pressure fluid storage device, and the pressure difference between the first cavity 11 and the second cavity 12 is lower than the strength yield limit of the partition plate 2. Therefore, the diaphragm 2 can be ensured not to be broken due to pressure intensity, and can be made of materials with lower cost, so that the production cost is reduced.
Example 2:
referring to fig. 2, an embodiment 2 of a closure for a high pressure fluid storage device according to the present invention is different from the previous embodiment in that the cavities are nested one inside the other. I.e. the first cavity 11 is enclosed by the second cavity 12 and sealed by the partition 2. In this way, it is ensured that the first cavity 11 and the second cavity 12 form a mutual acting force from all directions, and the cavity side walls do not need to be designed with larger wall thickness. Each cavity is provided with a filling opening 4 for filling fluid, the filling opening 4 extends out of the cap body, and a glue guide groove 41 is arranged.
The invention also provides a method for packaging the high-pressure fluid storage device, which is shown in the embodiment shown in the figure and comprises the following steps:
s10: glue is coated at the opening of the high-pressure fluid storage device, the sealing cover is bonded to the opening of the high-pressure fluid storage device, and the sealing cover and the high-pressure fluid storage device are connected through ultrasonic seamless welding.
S20: and injecting fluid into the high-pressure fluid storage device and the cavities through the filling ports of the cavities and pressurizing the high-pressure fluid storage device and the cavities to a preset pressure. It should be noted that the pressures within the cavities are not equal, and preferably are arranged in an equal difference in pressure along a direction away from the high pressure fluid reservoir to ensure that the pressures are approximately balanced between the cavities.
S30: glue is injected through the glue guide groove, and the filling opening is sealed through ultrasonic seamless welding fusion, so that the packaging work is completed.
It should be noted that the above embodiments can be used for packaging high-pressure gas cylinders or high-pressure liquid bottles, and thus can be applied to fields such as inflatable gas cylinders for protecting air bags of riding clothes, and other fluid technical fields can also be correspondingly applied, and no further description is provided herein.
The above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.
Claims (8)
1. A closure for a high pressure fluid storage device, comprising:
a cap body;
the cap is characterized by comprising at least two cavities which are arranged in the cap body in sequence, wherein the side wall of each cavity is provided with a filling opening for filling fluid, the filling opening is also provided with a rubber guide groove, a certain pressure intensity is preset in each cavity, and the pressure intensity in each cavity is gradually reduced along the direction far away from the high-pressure fluid storage device.
2. A closure for a high pressure fluid storage device as claimed in claim 1, wherein: the cavities are arranged linearly, and the pressure in the cavities decreases in an equal difference in a direction away from the high-pressure fluid storage device.
3. A closure for a high pressure fluid storage device as claimed in claim 2, wherein: the thickness of the side wall of the cavity is more than or equal to 1.2 times of the thickness of the top wall of the cavity.
4. A closure for a high pressure fluid storage unit as claimed in claim 3, wherein: the top of the cap body is provided with impact points made of fragile materials, the bottoms of the cavities are correspondingly provided with the impact points, and the impact points with different heights are arranged along the vertical direction projection positions.
5. A closure for a high pressure fluid storage unit according to any of claims 1 to 4, wherein: the at least two cavities include a first cavity and a second cavity, the first cavity and the second cavity are sealed with each other through a partition plate, the first cavity is used for being communicated with a high-pressure fluid storage device, the pressure of fluid in the second cavity is smaller than the pressure in the high-pressure fluid storage device, and the pressure difference between the first cavity and the second cavity is smaller than the strength yield limit of the partition plate.
6. A closure for a high pressure fluid storage device as claimed in claim 1, wherein: the cavities are nested layer by layer.
7. The closure for a high pressure fluid storage device of claim 6, wherein: each cavity is provided with a filling opening for filling fluid, the filling opening extends out of the cap body, and a glue guide groove is formed in the filling opening.
8. A method of packaging a high pressure fluid storage device, comprising the steps of:
applying glue to the high pressure fluid storage device opening, bonding the closure of any one of claims 1-7 to the high pressure fluid storage device opening, and ultrasonically welding seamlessly;
injecting fluid into the high-pressure fluid storage device and the cavities through the filling ports of the cavities and pressurizing the high-pressure fluid storage device and the cavities to a preset pressure;
glue is injected through the glue guide groove, and the filling opening is sealed through ultrasonic seamless welding fusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011615758.8A CN112728406B (en) | 2020-12-30 | 2020-12-30 | Sealing cover for high-pressure fluid storage device and packaging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011615758.8A CN112728406B (en) | 2020-12-30 | 2020-12-30 | Sealing cover for high-pressure fluid storage device and packaging method |
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| Publication Number | Publication Date |
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| CN112728406A true CN112728406A (en) | 2021-04-30 |
| CN112728406B CN112728406B (en) | 2022-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011615758.8A Active CN112728406B (en) | 2020-12-30 | 2020-12-30 | Sealing cover for high-pressure fluid storage device and packaging method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185557A (en) * | 1996-12-20 | 1998-06-24 | 波尔蒂股份公司 | Improved safety cap for pressurized containers |
| BRPI0705131A2 (en) * | 2007-10-02 | 2009-05-26 | Reynaldo Stamatis Jr | heat-shrink seal enhancement for valves and covers |
| CN205716400U (en) * | 2016-06-08 | 2016-11-23 | 凯迈（洛阳）气源有限公司 | A kind of globular pressure-container and deflation structure thereof |
| CN107747681A (en) * | 2017-11-25 | 2018-03-02 | 成都龙泉马龙机械厂 | A kind of explosion-proof air accumulator |
| CN207848953U (en) * | 2018-02-12 | 2018-09-11 | 王健 | Refrigerant sealing cover and coolant explosion-proof tank |
| CN109654369A (en) * | 2019-01-10 | 2019-04-19 | 利宾来塑胶工业（深圳）有限公司 | A kind of sealing structure of bottle mouth of gas cylinder |
-
2020
- 2020-12-30 CN CN202011615758.8A patent/CN112728406B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1185557A (en) * | 1996-12-20 | 1998-06-24 | 波尔蒂股份公司 | Improved safety cap for pressurized containers |
| BRPI0705131A2 (en) * | 2007-10-02 | 2009-05-26 | Reynaldo Stamatis Jr | heat-shrink seal enhancement for valves and covers |
| CN205716400U (en) * | 2016-06-08 | 2016-11-23 | 凯迈（洛阳）气源有限公司 | A kind of globular pressure-container and deflation structure thereof |
| CN107747681A (en) * | 2017-11-25 | 2018-03-02 | 成都龙泉马龙机械厂 | A kind of explosion-proof air accumulator |
| CN207848953U (en) * | 2018-02-12 | 2018-09-11 | 王健 | Refrigerant sealing cover and coolant explosion-proof tank |
| CN109654369A (en) * | 2019-01-10 | 2019-04-19 | 利宾来塑胶工业（深圳）有限公司 | A kind of sealing structure of bottle mouth of gas cylinder |
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| Publication number | Publication date |
|---|---|
| CN112728406B (en) | 2022-07-05 |
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