Synchronous action shaft flow distribution switch reversing multi-way valve

Abstract

The invention relates to a synchronous action shaft flow distribution switch reversing multi-way valve. The shaft flow distribution switch reversing multi-way valve is of a rotary valve structure and comprises a shaft flow distribution valve body stator and a shaft flow distribution valve element rotor which is in clearance fit with the shaft flow distribution valve body stator and is rotatably installed in the shaft flow distribution valve body stator. The shaft flow distribution valve body stator and the shaft flow distribution valve element rotor are respectively divided into three sealing areas from top to bottom through four sealing rings which are sequentially arranged, namely a first sealing area used for achieving the reversing of a multi-way switch, a second sealing area used for achieving the on-off of oil supply and a third sealing area used for achieving the on-off of oil return. A plurality of circular grooves which do not communicate with one another are formed in the first sealing area in the circumferential direction of the shaft flow distribution valve element rotor, and grooves are formed in the second sealing area and the third sealing area in the whole circumferential direction. Compared with the prior art, the synchronous action shaft flow distribution switch reversing multi-way valve has the advantages of compact and simple structure, convenience in adjustment, high flow capacity, simultaneous oil supply / oil return of multiple actuating mechanisms, high repeatability and the like.

Description

technical field [0001] The invention relates to the technical field of fluid control, in particular to a synchronously acting axial distribution switch reversing multi-way valve. Background technique [0002] Conventional switch electromagnetic reversing valve, the structure of the double-coil solenoid valve mainly includes: lock nut + electromagnetic coil + core tube + spring + gasket + valve core + valve body + gasket + spring + core tube + electromagnetic coil + The structure of the lock nut; the structure of the single-coil solenoid valve mainly includes: lock nut + electromagnetic coil + core tube + spring + gasket + valve core + valve body + gasket + spring + end cover; power supply voltage type It can be divided into DC and AC. The power supply voltage value can be selected in a wide range. The movement of the valve core in the valve body is mainly supported by the hydraulic oil film. The coil is in the energized state for a long time, and the spool is easy to get st...

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Problems solved by technology

[0002] Conventional switch electromagnetic reversing valve, the structure of the double-coil solenoid valve mainly includes: lock nut + electromagnetic coil + core tube + spring + gasket + valve core + valve body + gasket + spring + core tube + electromagnetic coil + The structure of the lock nut; the structure of the single-coil solenoid valve mainly includes: lock nut + electromagnetic coil + core tube + spring + gasket + valve core + valve body + gasket + spring + end cover; power supply voltage type It can be divided into DC and AC. The power supply voltage value can be selected in a wide range. The movement of the valve core in the valve body is mainly supported by the hydraulic oil film. The coil is in the energized state for a long time, and the spool is easy to get stuck, causing the actuator to fail; and due to the limited installation space, the size of the coil will limit its maximum holding force, affecting its output power characteristics, and the fluid flows through the spool / valve The cavity formed by the body, the hydraulic power generated also limits the flow capacity of the conventional switch electromagnetic reversing valve; the size of the coil also affects its heat dissipation characteristics, and it is easy to burn the coil in a high temperature or high humidity environment. The way of electrical connection affects its waterproof level;

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