Micro-operation type valve
A valve and micro-manipulation technology, applied in the direction of lift valve, sliding valve, valve device, etc., can solve the problems of wasting energy, difficult operation, affecting the appearance of the environment, etc., and achieve the effect of reducing production cost, saving metal materials, and avoiding equipment failure.
Inactive Publication Date: 2010-09-08
青岛高远热能动力设备有限公司
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Abstract
The invention relates to a valve, in particular to a micro-operation type valve which realizes large switching and regulating actions of the valve by using per se pressure of a medium and amplifying the per se pressure of the medium through a micro operating force. The valve comprises an inflow chamber, a buffer chamber and an outflow chamber, wherein the buffer chamber is arranged between the inflow chamber and the outflow chamber; the inflow chamber is provided with an inlet; the outflow chamber is provided with an outlet; the three chambers are separated by valve core; and a medium passage is formed between the buffer chamber and the outflow chamber and is provided with a control valve. The micro-operation type valve has the following technical advantages: a gap between the valve core and the buffer chamber is allowed and used for leaking flows and performing control without adopting a thin film for sealing so as to prevent equipment failures caused by aging of the thin film; by using the per se pressure of the medium, the operation is labor-saving and energy-saving, and greatly increase reliability; and a gate valve is closed when the control valve is closed. At that time, no passage leaks flows except for a valve port of the gate valve, and the closing force is stronger when the pressure difference between the front and rear sides of the valve is larger, so internal leakages are difficult to occur.
Application Domain
Slide valveLift valve
Technology Topic
EngineeringDevice failure +4
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