| abstract |
A pinch valve, comprising an elastic tube body (1), a cylinder body (4) having a cylinder part (2) and a cylinder cover (3), a piston (11) in slidable contact with the inner peripheral surface of the cylinder body, a pressing element (15) fixed to a connection part (13) suspended from the piston, a body (16) connected to the cylinder body and having a groove (17) for receiving the tube body (1), a pair of connection body receivers (20) engaged with the grooves in the body and having through holes (26) for receiving the tube body (1), first and second space parts (8, 7) formed on the upper and lower sides of the piston (11), and a pair of air ports (10, 9) allowed to communicate with the first and second spaces (8, 7), respectively, wherein the entire valve is formed compact. |