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    • 5. 发明授权
    • Pneumatic pinch valve
    • 气动夹管阀
    • US08087635B2
    • 2012-01-03
    • US11563795
    • 2006-11-28
    • Lechang LiYan Yan
    • Lechang LiYan Yan
    • F16K7/04
    • F16K7/06F16K31/122
    • A pneumatic pinch valve assembly having a lever, a piston supporting a pressing piece, and a fluid tube receiving space formed between the lever and the pressing piece for receiving fluid tubes is disclosed. Air is introduced into a cavity to actuate the piston in order to pinch a fluid tube between the lever and the pressing piece to intercept a fluid flow through the tube. A pinching action control feature is located between the piston and the pressing piece and is used to protect the fluid tube by limiting one or more amounts of compression of the fluid tube during operation. The amount of compression of the fluid tube is able to be adjusted so that the fluid tube is not easily deteriorated during long-time operation.
    • 公开了一种气动夹管阀组件,其具有杠杆,支撑按压件的活塞和形成在杠杆和用于接收流体管的按压件之间的流体管接收空间。 将空气引入空腔中以致动活塞,以便夹紧杆与压片之间的流体管,以拦截穿过管的流体流。 夹紧动作控制特征位于活塞和压片之间,并且用于通过在操作期间限制流体管的一个或多个压力来保护流体管。 可以调节流体管的压缩量,使得流体管在长时间操作期间不容易劣化。