Pneumatic three-way valve group with self-balancing structure
A movable part is formed by assembling a piston, a valve rod and a main valve clack together, an air cylinder spring is installed between the movable part and a sleeve, the movable part, the air cylinder spring and the sleeve are all installed in a valve body, an air cylinder cover is installed on t...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | A movable part is formed by assembling a piston, a valve rod and a main valve clack together, an air cylinder spring is installed between the movable part and a sleeve, the movable part, the air cylinder spring and the sleeve are all installed in a valve body, an air cylinder cover is installed on the top of the valve body, and a compressed air inlet is formed in the air cylinder cover. Compressed air enters the three-way valve air cylinder through an air inlet of the air cylinder cover and is used for driving the piston to move downwards under the compressed air with certain pressure, and the piston drives the valve rod to act to achieve switching of the flow direction of fluid. A valve rod sealing supporting ring and an O-shaped sealing ring are installed between the sleeve and the valve rod, the valve rod sealing supporting ring is used for sealing and plays a supporting and guiding role, the situation that the valve rod is clamped to affect the function of the three-way valve set is avoided, and the relia |
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