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Fuel gas pressure adjusting device

A technology for regulating devices and gas pressure, which is applied in the direction of valve devices, valve details, diaphragm valves, etc., can solve the problems of high cost of parts procurement and parts assembly, high technical solutions, parts matching errors, product performance deviations, etc., to reduce parts Assembling process, reducing part defects and reducing the effect of product parts

Pending Publication Date: 2021-07-09
NINGBO WANAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. There are many parts in the product, and the cost of parts procurement and parts assembly is relatively high compared with the technical solution
[0005] 2. There are errors in the mutual cooperation of parts, resulting in deviations in product performance
It will also cause product leakage and function failure due to part size deviation and assembly error.

Method used

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  • Fuel gas pressure adjusting device
  • Fuel gas pressure adjusting device
  • Fuel gas pressure adjusting device

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Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "outer end", "inner side wall", "bottom", "lower end", "upper end", "middle part" and "outer side wall" Based on the orientation or positional relationship shown in the drawings, it is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be construed as a limitation of the invention.

[0030] In the description of the present invention, it should be noted that unless otherwise specified and limited, the term "connection" should be understood in a broad sense, for example, it can be a fixed c...

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Abstract

The invention discloses a fuel gas pressure adjusting device which comprises an upper shell, a lower shell, a pressure adjusting cavity and a diaphragm assembly, one end of the lower shell is provided with a gas inlet and a valve port used for communicating the gas inlet with the pressure adjusting cavity, the other end of the lower shell is provided with a gas outlet, the lower shell is provided with a first fulcrum, and the upper shell is correspondingly provided with a second fulcrum. One end of the diaphragm assembly penetrates through a channel between the first fulcrum and the second fulcrum and is connected to the side wall of one end of the pressure regulating cavity, and the other end of the diaphragm assembly is connected to the side wall of the other end of the pressure regulating cavity. The diaphragm assembly can rotate around the first fulcrum or the second fulcrum so that the opening degree of the valve port can be adjusted, and an elastic reset piece is arranged between the other end of the diaphragm assembly and the upper shell. The fuel gas pressure adjusting device is simple in structure, the number of parts is small, the risk of unsafe conditions such as product leakage caused by part failure can be effectively reduced, and the stable pressure adjusting performance is effectively guaranteed.

Description

technical field [0001] The invention relates to the field of gas pressure regulation, in particular to a gas pressure regulation device. Background technique [0002] The gas pressure regulating device (also known as the gas pressure regulating valve) is a straight rod type and a lever type pressure difference feedback control device for pressure regulation. The gas in the gas cylinder is liquid, and the pressure is too high, so it must be decompressed to be suitable for burning in the stove. The principle is: the high-pressure medium is filled into a relatively large cavity through a small hole to achieve decompression. In fact, it is decompressed by interception. The two sides of the diaphragm or piston are the outlet, and the other is the artificial pressure. The small hole-sized valve stem is connected to the diaphragm (piston), so that as long as a fixed pressure is given, the pressure in the outlet cavity will always be equal to this pressure. This means that the give...

Claims

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Application Information

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IPC IPC(8): F16K17/34F16K7/17F16K27/02
CPCF16K17/34F16K7/17F16K27/0236G05D16/0641F16K15/033F16K17/0453
Inventor 张枫魏云南王燕华任宏斌
Owner NINGBO WANAN
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