How does the two-way acting cylinder pneumatic butterfly valve work?
What is the working principle of pneumatic butterfly valve! Come and study with me!
During the tightening stroke, it means that the wheel of the car moves close to the body, and the pneumatic butterfly valve is tightened. At this time, the piston 3 in the pneumatic butterfly valve moves downward. The volume of the lower chamber of the piston decreases, the oil pressure increases, and the oil flows through the flow valve 8 to the chamber (upper chamber) above the piston. The upper chamber is partially occupied by the piston rod 1, so the increased volume of the upper chamber is smaller than the decreased volume of the lower chamber, and part of the oil then pushes open the shrink valve 6 and flows back to the storage cylinder 5. The saving of oil by these valves constitutes the damping force of the suspension subjected to tightening movement. When the pneumatic butterfly valve stretches, the wheel is equivalent to being far away from the body, and the pneumatic butterfly valve is stretched. At this time, the piston of the pneumatic butterfly valve moves upward. When the oil pressure in the upper chamber of the piston rises, the flow valve 8 is closed, and the oil in the upper chamber pushes open the stretching valve 4 and flows into the lower chamber. Due to the existence of the piston rod, the oil flowing from the upper chamber is insufficient to fill the increased volume of the lower chamber, which mainly makes the lower chamber produce a vacuum degree. At this time, the oil in the oil cylinder pushes the compensation valve 7 to flow into the lower chamber and stops replenishing. Because of the throttling effect of these valves, the suspension will play a damping role during stretching movement. Thus reached the valve's plea!
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