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Gas pressure regulator

A gas pressure regulator, gas pipe technology, applied in the direction of safety valves, engine components, balance valves, etc., can solve the problems of increasing use costs, increasing air leakage points, and difficulty in controlling flow, so as to reduce air leakage points and use costs Low, easy to control the flow effect

Inactive Publication Date: 2011-05-18
江苏丰泰机电有限公司
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Needle valves are used in existing gas pressure regulators, which increase the leakage points, make it difficult to control the flow, and increase the cost of use

Method used

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Embodiment Construction

[0008] The specific content of the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0009] Such as figure 1 As shown, the gas pressure regulator includes: a valve body 1 and a pilot 2. In the valve body 1, an inlet passage 3, an outlet passage 4 and a valve stem 5 are respectively arranged, and the lower end of the valve stem 5 is provided with an inlet passage 3 and an outlet. Between the channels 4, the outlet channel 4 is connected with the gas pipe 6, a spring 7 is sleeved on the lower end of the valve stem 5, and a film 8 is arranged on the upper end of the valve stem 5, and the film 8 is arranged in the hollow space at the upper end of the valve body 1. and the cavity is divided into the epithelial cavity 9 and the subcutaneous cavity 10, the command valve 2 is respectively connected with the air intake channel 3, the gas pipe 6, the epithelial cavity 9 and the subcutaneous cavity 10, and the ep...

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Abstract

The invention discloses a gas pressure regulator which comprises a valve body and a pilot valve, wherein a gas inlet channel and a gas outlet channel as well as a valve rod are respectively arranged in the valve body, the lower end of the valve rod is arranged between the gas inlet channel and the gas outlet channel, the gas outlet channel is connected with a gas tube, a spring is sleeved on the lower end of the valve rod, a skin membrane is arranged on the upper end of the valve rod and positioned in a cavity at the upper end of the valve body and used for dividing the cavity into an upper skin membrane cavity and a lower skin membrane cavity, the pilot valve is respectively connected with the gas inlet channel, the gas tube, the upper skin membrane cavity and the lower skin membrane cavity, a ventilating hole is arranged on the skin membrane, and the upper skin membrane cavity is communicated with the lower skin membrane cavity through the ventilating cavity. The invention has the advantage that the gas pressure regulator has lower use cost, reduces gas leakage points and is convenient for controlling flow.

Description

technical field [0001] The invention relates to a gas pressure regulating device, in particular to a gas pressure regulator. Background technique [0002] The gas pressure regulator is a device used to regulate the pressure of natural gas, liquefied petroleum gas, artificial gas, mine gas and other non-corrosive gases. The gas pressure regulator is suitable for large inlet pressure fluctuations, medium and low pressure, and large flow Gate station or zone pressure regulation. Needle valves are used in existing gas pressure regulators, which increases gas leakage points, makes it difficult to control the flow rate, and increases the cost of use. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a gas pressure regulator with low operating cost and convenient control. [0004] In order to solve the above-mentioned technical problems, the technical solution adopted in the present invention is: a gas pressure regulato...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/00F16K17/20
Inventor 袁玉英
Owner 江苏丰泰机电有限公司
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