Total-pressure high-speed exhaust valve

An exhaust valve, high-speed technology, used in safety valves, valve details, balance valves, etc., can solve the problems of low hollow floating ball strength, unstable lever structure, and stuck.

Inactive Publication Date: 2012-10-03
张朝阳 +1
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  • Abstract
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  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing exhaust valves mainly use hollow floating balls combined with the principle of levers to control the opening and closing of the exhaust port. However, the commonly used floating balls are generally hollow stainless steel balls, which are difficult to manufacture, and the strength of hollow floating balls i

Method used

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  • Total-pressure high-speed exhaust valve

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Embodiment Construction

[0016] The technical solutions of the present invention will be described in further detail below through specific implementation methods.

[0017] Such as figure 1 As shown, a full-pressure high-speed exhaust valve includes a cylinder 1, a main valve chamber 2 arranged at the bottom of the cylinder 1, a guide exhaust cylinder 3 arranged in the main valve chamber 2, and a The sealing floating body 4, the piston spring 5 and the main valve piston with a vertical through hole 6 in the guide exhaust cylinder 3; the sealing floating body 4 is a cylindrical structure with an open lower end.

[0018] The main valve piston includes a piston column 7 and a cylinder piston 8 and a sealing baffle 9 respectively arranged at the upper and lower ends of the piston column 7. A pressure relief hole 10 is arranged in the piston column 7, and a pressure relief hole 10 is arranged in the pressure relief hole 10. The port communicates with the vertical through hole 6; the pressure relief hole 1...

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Abstract

The invention provides a total-pressure high-speed exhaust valve, which comprises a cylinder, a main valve cavity, an air guide and exhaust barrel, a sealing floating body, a piston spring and a main valve piston. The main valve cavity is arranged on the lower part of the cylinder; the air guide and exhaust barrel is arranged in the main valve cavity; the sealing floating body is arranged in the air guide and exhaust barrel; the main valve piston is provided with a vertical through hole; the main valve piston comprises a piston column, a cylinder piston and a sealing baffle plate, the cylinder piston and the sealing baffle plate are respectively arranged at the upper end and the lower end of the piston column, an air exhaust and supplement opening is formed in the side wall of the lower part of the cylinder, and a main valve port is formed in the cavity wall of the main valve cavity; the piston spring is sleeved on the piston column and is positioned between the cylinder piston and the upper cavity wall of the main valve cavity; and the upper end of the sealing floating body corresponds to a lower port of the vertical through hole of the main valve piston. The total-pressure high-speed exhaust valve has the advantages that the design is scientific, and the valve can be automatically sealed without the aid of a floating ball or a lever when the inside of a pipe has water.

Description

technical field [0001] The invention relates to an exhaust valve, in particular to a full-pressure high-speed exhaust valve used for explosion-proof and leak-proof in pressurized water supply pipelines. Background technique [0002] Existing exhaust valves mainly use hollow floating balls combined with the principle of levers to control the opening and closing of the exhaust port. However, the commonly used floating balls are generally hollow stainless steel balls, which are difficult to manufacture, and the strength of hollow floating balls is low. In the case of air hammer or water hammer, it is easy to be compressed and deformed; in addition, the structure of the lever is unstable and prone to jamming. Therefore, the use of hollow floats and levers often brings a lot of trouble, and it is difficult to meet the exhaust needs of rapid opening and closing. [0003] In order to solve the above existing problems, people have been seeking an ideal technical solution. Contents...

Claims

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Application Information

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IPC IPC(8): F16K31/122F16K17/00F16K31/20
Inventor 许攸
Owner 张朝阳
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