| 摘要 |
<p>A pinch valve of the invention comprising an elastic tube body 1, a cylinder body 4 having a cylinder portion 2 and a cylinder cover 3, a piston 11 sliding on the inner periphery of the cylinder body, a pressing piece 15 fixed to a connecting portion 13 suspended from the piston, a body 16 joined to the cylinder body and having a groove 17 receiving the tube body 1, a pair of connecting body carriers 20 engaged with grooves of the body and having a through-hole 26 receiving the tube body 1, a first and a second space portions 8, 7 formed above and under the piston 11, respectively, and a pair of air ports 10, 9 respectively communicating with the first and second space portions 8, 7. The whole pinch valve is made compact in construction. <IMAGE></p> |
