Bistable emptying water drain valve of solar water heater

Abstract

The invention discloses a bistable emptying water drain valve of a solar water heater, comprising a valve body and a valve rod, wherein the valve rod is arranged in the valve body, the valve rod is in a hollow cylinder shape, two partition walls are arranged in the valve rod to divide the valve rod into an upper section, a middle section and a lower section, and the upper section and the middle section are provided with through holes; four valve rubber sleeves are sequentially arranged on the valve rod, the inner edge of each valve rubber sleeve is fixedly connected to the periphery of the valve rod, the outer edge of the each valve rubber sleeve is fixedly connected to the wall of the inner cavity wall of the valve rod, an emptying cavity, a water drain cavity and a water inlet cavity are respectively formed among all the valve rubber sleeves, a balance cavity is formed by a cavity between a first valve rubber sleeve and an upper valve cover, and an electromagnetic clutch switch is arranged at the bottom part of the valve rod. The bistable emptying water drain valve is used for the solar water heater, and can prevent incrustation scale formation and abrasion; the sealing propertyis good, the manufacturing cost is low, the emptying speed is rapid, no residuary water exists in the valve body and the pipe, the drain flows are stable without bubbles and water pressure intensity,the valve is anti-freezing, the service life is long, the reliability is high, no cold water period exists when water is drained, water and energy are saved, and freezing and blocking of a water drain pipe can be effectively eliminated in winter.

Description

Technical field [0001] The present invention involves a valve for solar water heaters, which specifically involves a dual stabilization of water -free water discharge valve with a solar water heater. Background technique [0002] For high -rise buildings on high -rise buildings, reservoirs, especially solar water heaters, the anti -freezing and normal use of the water pipe in winter are a problem that must be solved. The best solution to solve the problem is that the remaining water exhaust in the tube after each use is used.null.The choice of emptiness technical solutions determines the quality of emptiness and water release, as well as the performance and life of the device. [0003] Most of the existing technologies are electromagnetic or electric valves, but the long life and reliable performance, whether the electromagnetic valve, the electric valve, or the mechanical control valve, the core of which is the valve core blocking valve.Class, the pressure valve core will wear, ...

AI Technical Summary

Problems solved by technology

The control distance of the metal clutch wire switch is only 5 meters to 20 meters, but the control resistance of the metal clutch wire switch is large for a long distance, and it is easy to get out of control, rust or even break the wire; and the reset time of the airbag compression control is long, and it is not easy to reset , even difficult to reset, the conveying volume after reset is reduced, and it is difficult to control in place; although the current piston compression pneumatic control has a long stroke and a large and stable output and reset volume, due to the large friction between the piston and the cylinder, the The pressure resistance is also large, so the wear is also fast, and the switching speed of the switch is slow, resulting in a reduction in the control distance and a failure of the control

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