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Integrated cut-off type pressure regulator

A technology for pressure regulators and cut-off valves, which is applied to valve details, safety valves, engine components, etc., can solve problems such as corrosion at the end of the cut-off valve stem, ineffective cut-off, and increased adjustment torque, and achieves convenient on-line maintenance and maintenance. Applicable to a wide pressure range and the effect of small pressure fluctuations

Inactive Publication Date: 2013-06-26
四川嘉星燃气设备制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The main structure of the pressure regulator includes adjustment parts, balance parts, and cut-off parts; the traditional surface contact of the regulating valve stem is point contact, and the adjustment is inflexible. Due to long-term surface contact, the end of the regulating valve stem will be worn and rusted, and there will be adjustment problems. The disadvantages of instability and increased adjustment torque
The traditional balance parts are directly connected to the air hole to directly press the balance film, and the air flow directly scours the balance film, resulting in the rupture and failure of the balance film, which seriously affects the durability and service life of the balance film; and the closing and sealing caused by processing errors and assembly errors The tightness and closing error will also affect the closing pressure level and accuracy of the product
The surface contact of the traditional cutting parts is point contact, which is inflexible when cutting. Long-term surface contact will cause the end of the cutting valve stem to wear and rust, and there will also be disadvantages of unstable cutting and ineffective cutting.

Method used

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Embodiment Construction

[0033] The following will be combined with Figure 1-8 The present invention is described in detail, and the technical solutions in the embodiments of the present invention are clearly and completely described. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0034] Such as figure 1 As shown, an integrated cut-off pressure regulator is provided, which is suitable for urban medium and low pressure gas pipeline network transmission and distribution systems as pressure regulation. The main structure includes an adjustment part 112, a balance spool part 108, a cut-off part 115 and a valve body 105; 103 flat gasket 104 fixes the valve body cover 101, the valve body cover 101 and the lower end of the valve ...

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Abstract

The invention discloses an integrated cut-off type pressure regulator. The integrated cut-off type pressure regulator is characterized in that the main structure of the integrated cut-off type pressure regulator comprises a regulating part, a balance valve core part, a cut-off part and a valve body. The integrated cut-off type pressure regulator provided by the invention has the advantages that the structure is simple, some module structures are divided, the size is compact, the space occupation is small, the online maintenance is convenient, an air inlet caliber of a product is DN50, an air outlet caliber is DN80, and the flow capacity is large; and a balance valve core structure is adopted, the pressure fluctuation is small, the applicable pressure range is wide, a steel ball affiliated cut-off structure is adopted, the sensitivity of cut-off movement is high, the replication property is good, the pressure setting of the cut-off movement is simple, and the range is wide.

Description

technical field [0001] The invention relates to a regulating device in a transmission and distribution system of an urban medium and low pressure gas pipeline network, in particular to an integrated cut-off pressure regulator. Background technique [0002] The main structure of the pressure regulator includes adjustment parts, balance parts, and cut-off parts; the traditional surface contact of the regulating valve stem is point contact, and the adjustment is inflexible. Due to long-term surface contact, the end of the regulating valve stem will be worn and rusted, and there will be adjustment problems. The disadvantages of instability and increased adjustment torque. The traditional balance parts are directly connected to the air hole to directly press the balance film, and the air flow directly scours the balance film, resulting in the rupture and failure of the balance film, which seriously affects the durability and service life of the balance film; and the closing and s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K17/30F16K31/145
Inventor 李建乔邹永洪袁治平
Owner 四川嘉星燃气设备制造有限公司
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