Adjustable flow dynamic balance valve

Abstract

The invention discloses an adjustable flow dynamic balance valve which can achieve balance of and real-time control over dynamic flow in a pipe system. The adjustable flow dynamic balance valve is structurally and mainly formed by a valve body, a valve cover, a valve rod, an electric actuator, a valve element and the like, a valve clack, a guide sleeve, a location sleeve, a spring base and a spring are additionally arranged in the valve element, the guide sleeve and the spring are controlled through pretightening force of the spring in the valve element to be sleeved with the valve element for performing the axial movement, and the flow balance effect of the valve is further played. In addition, the valve clack installed in the mode of being matched with the location sleeve is further arranged in the valve element, a valve clack notch is formed in the valve clack, a location sleeve notch is formed in the location sleeve, the valve rod is respectively driven by an indicating dial and the electric actuator to perform the rotation movement and the up-and-down lifting movement, the area of a water outlet of the valve is further controlled, the flow real-time control effect of the valve is effectively achieved, the improved dynamic balance valve achieves the balance and the real-time adjustment on the dynamic flow in the pipe system, and the adjustable flow dynamic balance valve has the advantages of being low in production cost, good in effect, capable of effectively saving energy and the like.

Description

technical field [0001] The invention relates to a balance valve structure in pipeline valves, in particular to a dynamic balance valve with adjustable flow. Background technique [0002] Dynamic balance valves are used in pipeline systems that require flow control, especially for flow control of non-corrosive liquid media such as heating and air conditioning. The phenomenon of hydraulic imbalance caused by various factors can maintain the flow required by users, overcome the "unevenness of cold and heat", improve the room temperature pass rate of heating and air conditioning, effectively overcome the bad operation mode of "large flow, small temperature difference", and improve System energy efficiency for economical operation. At present, the adjustable flow dynamic balance valve often adopts a diaphragm structure, such as the "Dynamic Balance Valve" with the published Chinese patent No. When the opening height of the valve with this structure is less than 1 / 4, the pressur...

AI Technical Summary

Problems solved by technology

At present, the adjustable flow dynamic balance valve often adopts a diaphragm structure, such as the "Dynamic Balance Valve" with the published Chinese patent No. When the valve opening height of this structure is less than 1 / 4, the pressure difference of the valve often fluctuates frequently, resulting in inaccurate flow control, and the phenomenon that the medium passes through the valve to produce noises, etc.

There is also a public Chinese patent No. 201220456630.6 "an electric dynamic balance valve", which mainly uses the valve rod to drive the valve core to adjust the flow, but the structural design is too complicated, the production cost is high, and the flow adjustment is relatively inconvenient

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