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    • 1. 发明专利
    • Ring sealing diaphragm
    • 环形密封胶
    • JP2014132194A
    • 2014-07-17
    • JP2014051423
    • 2014-03-14
    • Fisher Controls International Llcフィッシャー コントロールズ インターナショナル リミテッド ライアビリティー カンパニー
    • GETHMANN DOUGLAS PAULROSS A SCHADEDAVID A ARNOLD
    • F15B15/10
    • F16K31/1262
    • PROBLEM TO BE SOLVED: To provide an actuator improving the reliability of the whole of a device, and eliminating the need of additional components even if the change of a structure energized by an actuator is required.SOLUTION: An diaphragm actuator 10 includes: a housing 26; a diaphragm 56; a stem 22; and a plate assembling body. The plate assembling body includes a recessed plate 54, and a projecting plate 52, and both plates respectively have inner and outer radial direction parts. The outer radial direction part compression-engages with the diaphragm to hold. The inner radial direction part is compressed on a stem between a shoulder portion 72 of the stem and a nut 48 screwed in the stem. The recessed plate is forcibly engaged, and provides direct fluid-resistance sealing with the shoulder portion of the stem, without requiring an O-ring or any other additional sealing structure elements. The recessed and projecting plates have equal structures so as to enable the actuator to easily switch a structure energized to open and a structure energized to close.
    • 要解决的问题:提供一种改进整个装置的可靠性的致动器,并且即使需要由致动器激励的结构的改变也不需要额外的部件。解决方案:隔膜致动器10包括:壳体 26; 隔膜56; 杆22; 和板组装体。 板组装体包括凹板54和突出板52,并且两个板分别具有内径和外径部分。 外径向部分与隔膜压缩接合以保持。 内部径向方向部分被压缩在杆的肩部72之间的杆上,以及拧在杆中的螺母48。 凹板被强制地接合,并且提供与杆的肩部直接的流体阻力密封,而不需要O形环或任何其它附加的密封结构元件。 凹入和突出的板具有相同的结构,以便致动器能够容易地将通电的结构切换到开启状态并使结构通电以关闭。