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    • 4. 发明授权
    • Clamping arrangement for diaphragm-type piston
    • 隔膜式活塞的夹紧装置
    • US4666166A
    • 1987-05-19
    • US670452
    • 1984-11-13
    • James E. HartMichael T. ZoricAllen W. Kyllonen
    • James E. HartMichael T. ZoricAllen W. Kyllonen
    • F16B5/06F04B43/00F15B15/10F16J3/00F16J3/02F16J3/06
    • F04B43/0054F16J3/00Y10T137/7836Y10T403/31
    • A diaphragm-clamping arrangement, in which a spring washer having a frusto-conical shape is employed between the outer periphery of the diaphragm and one of the plate members between which the diaphragm is secured. In the free state of the spring washer, the spring washer height is greater than the space between the diaphragm and one plate member so that, when the plate members are joined together, the spring washer is compressed to thereby exert a clamping force on the diaphragm. The diaphragm-clamping point can be provided by either the inner or outer periphery of the spring washer, depending upon whether the frusto-conical shape is concave or convex. By forming an annular recess in the plate member with which the spring is engageable, proper location of the spring washer is facilitated during assembly, and subsequently maintained during clamping.
    • 一种膜片夹紧装置,其中在隔膜的外周和其中一个板构件之间采用具有截头圆锥形的弹簧垫圈,隔膜在其间固定。 在弹簧垫圈的自由状态下,弹簧垫圈的高度大于隔膜和一个板件之间的空间,使得当板件接合在一起时,弹簧垫圈被压缩,从而在隔膜上施加夹紧力 。 取决于截头圆锥形状是凹形还是凸形,膜片夹紧点可以由弹簧垫圈的内周边或外周边提供。 通过在弹簧可接合的板构件中形成环形凹部,弹簧垫圈在组装过程中的适当位置便于进行,并且随后在夹紧期间保持。