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Control valve capable of precisely and freely regulating and controlling pressure

A control valve, free technology, applied in the direction of valve details, valve device, valve operation/release device, etc., can solve the problems of unable to adjust the pressure change, unable to adjust the pressure of the reaction vessel accurately and quickly, and achieve the effect of simple operation

Inactive Publication Date: 2013-10-30
孙仁
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Some chemical reactions need to be carried out in a vacuum or under a certain pressure, but during the reaction process, due to chemical changes, gas will be generated or reduced in the reaction vessel; this will change the pressure in the reaction vessel, so it is necessary to Partially changed pressure is compensated; while the existing control valve cannot adjust the pressure change in the reaction vessel; even if the opening of the valve is consciously controlled, the pressure in the reaction vessel cannot be adjusted accurately and quickly

Method used

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  • Control valve capable of precisely and freely regulating and controlling pressure
  • Control valve capable of precisely and freely regulating and controlling pressure
  • Control valve capable of precisely and freely regulating and controlling pressure

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Embodiment Construction

[0012] The present invention includes a valve body 2, and the valve body 2 is provided with a control part 16, a cylinder 12 and an action part 8 sequentially from top to bottom;

[0013] Described control part 16 comprises the motor 15 that has output rod 14, and the surface of output rod 14 is provided with lead thread; Output rod 14 links to each other with the adjustment pipe 13 in the cylinder 12 by lead thread; The end of adjustment pipe 13 is connected with The piston 11 is in contact; the piston rod 6 on the piston 11 passes through the protrusion 10 at the bottom of the cylinder 12 and is connected to the action part 8; the side surface of the cylinder 12 of the protrusion 10 is provided with a cylinder hole 9 communicating with the outer wall of the valve body 2;

[0014] The action part 8 includes a piston rod 6 connected to the piston 11 at one end; the other end of the piston rod 6 is provided with a working sleeve 4, and the bottom of the working sleeve 4 is provi...

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Abstract

The invention provides a control valve capable of precisely and freely regulating and controlling the pressure, and relates to modification for the structure of a control valve. The control valve comprises a valve body. A control portion, a cylinder and an action portion are sequentially arranged in the valve body from top to bottom. The control valve is structurally characterized in that the control portion comprises a motor with an output rod, and distance guide threads are arranged on the surface of the output rod; the output rod is connected with a regulating pipe in the cylinder by the distance guide threads; an end of the regulating pipe is in contact with a piston; a piston rod on the piston penetrates a protrusion at the bottom of the cylinder to be connected with the action portion; a cylinder hole which is communicated with the outer wall of the valve body is formed in the surface of a side of the protrusion of the cylinder. The control valve has the advantages of convenience in use, simplicity in operation and capability of precisely and freely controlling the pressure.

Description

Technical field: [0001] The invention relates to an improvement of a control valve structure. Background technique: [0002] Some chemical reactions need to be carried out in a vacuum or under a certain pressure, but during the reaction process, due to chemical changes, gas will be generated or reduced in the reaction vessel; this will change the pressure in the reaction vessel, so it is necessary to Partially changed pressure is compensated; and the existing control valve cannot adjust the pressure change in the reaction vessel; even if the opening of the valve is consciously controlled, the pressure in the reaction vessel cannot be adjusted accurately and quickly. Invention content: [0003] The present invention aims at the above problems and provides a control valve that is easy to use, simple to operate, and can precisely and freely regulate pressure. [0004] In order to achieve the above-mentioned purpose of the present invention, the present invention adopts the f...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K31/04F16K31/122
Inventor 孙仁蒋美玲
Owner 孙仁
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