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Tee reversing valve

A technology of three-way reversing valve and reversing valve, which is applied in the direction of multi-way valves, valve details, valve devices, etc., can solve the problems of low efficiency and achieve the effect of avoiding clogging and valve core corrosion

Inactive Publication Date: 2015-09-09
WUHAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For another example, the utility model patent with the authorized announcement number CN203404419U discloses a reversing valve, which drives the stopper to move through the movement of the valve core along the axis, and realizes the purpose of changing the connection nozzle to change the flow direction. The movement of the valve core is through Driven by the screw rod, this kind of screw drive is stable and reliable, but the efficiency is low, and it is not suitable for the situation where the valve is required to change direction quickly

Method used

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Embodiment Construction

[0020] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0021] Such as Figure 1-Figure 3 As shown, a three-way reversing valve, the reversing valve includes a valve body 2, a spool 4 that is rotatably inserted in the body of the valve 2, the valve body 2 is provided with three nozzles that are 120° each other, and the three pipes The mouth includes a liquid inlet and two liquid outlets. The valve body 2 is also provided with a plurality of cleaning water holes 201 communicated with the nozzle, and the valve core 4 is provided with a liquid flow hole 401, which is used for communication. The liquid inlet and one of the liquid outlets are closed, and th...

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Abstract

The invention discloses a tee reversing valve. The reversing valve comprises a valve body and a valve core rotatably inserted in the valve body, and is characterized in that three pipe openings at 120 DEG angles from each other are arranged on the valve body; each of the pipe openings comprises a liquid inlet and two liquid outlets; multiple cleaning water holes communicated with the pipe openings are arranged in the valve body; a liquid circulation hole is arranged in the valve core and used for communicating the liquid inlet and one of the liquid outlets, and closing the other liquid outlet; and a layer of ceramic is plated on the inner surface of the liquid circulation hole. The tee reserving valve is capable of bearing bigger pressure of liquid flows and quickly reversing, and the valve core rotates to change the flowing direction.

Description

technical field [0001] The invention belongs to the technical field of valves, in particular to a three-way reversing valve, which is used to control the flow direction of solid-liquid mixed fluid. Background technique [0002] The reversing valve is used in many fields and is an important part of the machinery industry. The performance of the reversing valve will directly relate to the safety of production and the efficiency of work. Its driving methods include hydraulic drive, pneumatic drive, electromagnetic drive, etc. At present, most of the reversing valves available on the market are reversing valves with relatively small flow rates, and the control part and execution part of the reversing valves are mostly integrated, which is difficult to overhaul and difficult to apply in the case of large flow and high pressure. For example, the invention patent with the application publication number CN103090044A discloses a diaphragm reversing valve, which uses high-pressure gas...

Claims

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Application Information

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IPC IPC(8): F16K11/08F16K27/06
CPCF16K11/08F16K27/06
Inventor 华林李晚霞徐杨坤
Owner WUHAN UNIV OF TECH
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