CN201396446Y - Cone headed valve - Google Patents
Cone headed valve Download PDFInfo
- Publication number
- CN201396446Y CN201396446Y CN2009201381749U CN200920138174U CN201396446Y CN 201396446 Y CN201396446 Y CN 201396446Y CN 2009201381749 U CN2009201381749 U CN 2009201381749U CN 200920138174 U CN200920138174 U CN 200920138174U CN 201396446 Y CN201396446 Y CN 201396446Y
- Authority
- CN
- China
- Prior art keywords
- cone
- high pressure
- piston
- valve
- aperture
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Lift Valve (AREA)
Abstract
A cone headed valve relates to the technical field of pressure reducing valves, and comprises a valve body, a high pressure air inlet small hole and a piston, wherein a cone is arranged on the centralposition of the top of the piston, the bottom diameter of the cone is larger than the aperture of the high pressure air inlet small hole, the top end of the cone can extend into the high pressure airinlet small hole, the bottom of the piston is connected with a spring, a sealing ring is arranged on the periphery of the cone, the cone headed valve can stably adjust the flow quantity of input air,then enables the output flow quantity to be stable and reliable, can adjust the lowest air inlet pressure of a high pressure cavity, and has better sealing property.
Description
Technical field
The utility model relates to valve, especially reduction valve.
Background technique
Gas pressure reducer is the throttling by open-shut device, and inlet gas pressure is reduced to the outlet pressure of a certain needs, and makes outlet pressure keep stable equipment.It is connected use with gas cylinder, at first pressurized gas are delivered to decompressor, and high pressure air reducing to the low-pressure gas of required force value, is controlled its gas output flow again.
Existing gas pressure reducer comprises valve body, is provided with the high pressure admission aperture in the valve body, opens and closes the high pressure admission aperture by piston, and gas has just entered low-pressure cavity after the high pressure admission aperture comes out.During use, when the pressurized gas promotion piston of turning right, piston is opened in a flash, and the flow area of high pressure admission aperture just increases severely to maximum, and it is maximum that flow also reaches.After low-pressure cavity reaches certain pressure, piston is pushed to the left side, close the valve port of high pressure admission aperture, at this moment flow reaches minimum.Such structure causes the instability of flow by the input of high pressure admission aperture, causes the instability of flow of output.
The model utility content
In order to address the above problem, the utility model provides a kind of nose cone valve, and this nose cone valve can stable regulation for the gas flow of input, and then makes output flow reliable and stable, and can regulate the minimum suction pressure of hyperbaric chamber, has better seal.
The utility model adopts following technological scheme, a kind of nose cone valve, comprise valve body, high pressure admission aperture, piston, the top center position of described piston is provided with a cone, the footpath, the end of cone is greater than the high pressure admission small aperture, described cone top can be stretched in the high pressure admission aperture, and the bottom of piston is connected with spring, is provided with seal ring around the cone.
The beneficial effects of the utility model are, owing to adopt said structure, this reduction valve can stable regulation for the gas flow of input, and then makes output flow reliable and stable, and can regulate the minimum suction pressure of hyperbaric chamber, and has better seal.
Description of drawings
Fig. 1 is the structural representation of nose cone valve of the present utility model.
Embodiment
As shown in Figure 1, a kind of nose cone valve, comprise valve body 1, high pressure admission aperture 2, piston 3, the top center position of described piston 3 is provided with a cone 4, the footpath, the end of cone 4 is greater than high pressure admission aperture 2 apertures, described cone 4 tops can be stretched in the high pressure admission aperture 2, and the bottom of piston 3 is connected with spring 5, are provided with seal ring 6 around the cone 4.Seal ring 6 can strengthen the sealing when closing.Cone 4 can move forward and backward to regulate air-flow air inlet area along the little axially bored line of high pressure admission with piston 3.Footpath, the end of cone 4 is greater than the high pressure admission small aperture, so the sealing of high pressure admission aperture gas channel relies on fully between cone and the high pressure admission aperture inwall and realizes.Because the bottom of piston 3 is connected with spring 5, spring 5 can promote piston 3 and close the high pressure admission aperture, by the elastic force of Regulation spring 5, can regulate the minimum cracking pressure of high pressure admission aperture, promptly regulates the minimum suction pressure of hyperbaric chamber.Relative prior art, cone end socket of the present utility model is in the process of moving forward and backward, the circulation area of gas is not to become maximum by minimum suddenly, but gradually change, relative discharge also is and gradually changes, help the stable input of gas like this, thereby make the flow of output also reach stable.
Claims (1)
1, a kind of nose cone valve, comprise valve body (1), high pressure admission aperture (2), piston (3), it is characterized in that: the top center position of described piston (3) is provided with a cone (4), the footpath, the end of cone (4) is greater than high pressure admission aperture (2) aperture, described cone (4) top can be stretched in the high pressure admission aperture (2), the bottom of piston (3) is connected with spring (5), is provided with seal ring (6) around the cone (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201381749U CN201396446Y (en) | 2009-05-02 | 2009-05-02 | Cone headed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201381749U CN201396446Y (en) | 2009-05-02 | 2009-05-02 | Cone headed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201396446Y true CN201396446Y (en) | 2010-02-03 |
Family
ID=41618955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201381749U Expired - Fee Related CN201396446Y (en) | 2009-05-02 | 2009-05-02 | Cone headed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201396446Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842679A (en) * | 2021-10-20 | 2021-12-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas-liquid separator with adjustable discharge flow |
-
2009
- 2009-05-02 CN CN2009201381749U patent/CN201396446Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113842679A (en) * | 2021-10-20 | 2021-12-28 | 武汉船用电力推进装置研究所（中国船舶重工集团公司第七一二研究所） | Gas-liquid separator with adjustable discharge flow |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100203 Termination date: 20100502 |