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Novel adjusting rod structure of adjusting valve

A technology of regulating rod and regulating valve, which is applied to valve devices, engine components, mechanical equipment, etc., can solve problems such as inability to meet, and achieve the effect of reasonable layout and simple structure

Inactive Publication Date: 2018-01-09
JIANGSU WELDV VALVE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Commonly used classifications of regulating valves: pneumatic regulating valves, electric regulating valves, hydraulic regulating valves, self-operated regulating valves, but the existing regulating valves have great limitations and cannot meet the needs of modern industrial production

Method used

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  • Novel adjusting rod structure of adjusting valve

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Embodiment

[0017] Example: such as figure 1 The adjusting rod structure of a new type of regulating valve is shown, which is composed of a connecting part and a valve stem 5. The connecting part is divided into three parts from top to bottom, namely the first connecting part 1, the second connecting part 2 and the third connecting part 3 , the first connecting part 1, the second connecting part 2 and the third connecting part 3 are fixed together by welding process, the valve stem 5 extends outward from the inside of the third connecting part 3, the valve stem 5 and the third connecting part A welding pressure block 4 is provided at the joint of the connecting part 3 , and a conical pin 6 is provided outside the middle part of the valve stem 5 .

[0018] In this embodiment, the inner diameter of the third connecting portion 3 is greater than the inner diameter of the first connecting portion 1, and the inner diameter of the third connecting portion 3 is smaller than the inner diameter of...

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Abstract

The invention relates to the technical field of valve manufacturing, in particular to a novel adjusting rod structure of an adjusting valve. The novel adjusting rod structure of the adjusting valve iscomposed of connecting portion and a valve rod. The connecting portions are divided into three parts from top to bottom, namely the first connecting portion, the second connecting portion and the third connecting portion. Every two of the first connecting portion, the second connecting portion and the third connecting portion are fixed together through a welding technology; the valve rod extendsout of the third connecting portion from the interior of the third connecting portion; a welding pressing block is arranged at the junction of the valve rod and the third connecting portion; and a conical pin is arranged on the outer side of the middle of the valve rod. The novel adjusting rod structure acts in the middle of the adjusting valve, is a core component of the adjusting valve, plays arole in adjustment, is simple in structure and reasonable in layout, and has universality and airtightness to a certain extent.

Description

technical field [0001] The invention relates to the technical field of valve manufacturing, in particular to a novel regulating rod structure of a regulating valve. Background technique [0002] Valves are pipeline accessories used to open and close pipelines, control flow direction, adjust and control the parameters (temperature, pressure and flow) of the conveying medium. According to its function, it can be divided into shut-off valve, check valve, regulating valve and so on. The valve is a control component in the fluid delivery system, which has functions such as cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion or overflow pressure relief. [0003] Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. Valves are also divided into cast iron valves, cast steel valves, stainless steel valves (201, 304, 316, etc....

Claims

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Application Information

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IPC IPC(8): F16K51/00
Inventor 王鹏徐庆杰徐翔
Owner JIANGSU WELDV VALVE
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