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    • 7. 发明专利
    • Butterfly-type pressure control valve
    • 压力式压力控制阀
    • JP2014109348A
    • 2014-06-12
    • JP2012264994
    • 2012-12-04
    • Kitz Sct:Kk株式会社キッツエスシーティー
    • YAMADA YASUHITO
    • F16K1/226F16K31/524F16K31/54F16K51/02
    • F16K1/226F16K1/221F16K1/228F16K31/524F16K31/54F16K51/02
    • PROBLEM TO BE SOLVED: To provide a downsized butterfly type pressure control valve with a simple structure, which is suitable for controlling pressure in a vacuum area, capable of performing accurate flow rate control from a fine flow rate up to a large flow rate while displaying high sealability by power from the same driving source and capable of performing high-speed pressure control from atmospheric pressure up to low vacuum by displaying an isolation function.SOLUTION: A valve opening/closing mechanism 10 includes a valve body 11 to be rotated in a direction vertical to a passage 4, a seat ring 12 coming into contact with/separated from the valve body 11 by reciprocation in a passage 4 direction, a cam mechanism 13 for separating the seat ring 12 from the valve body 11 and rotating the valve body 11, and a reciprocation mechanism 14 for reciprocating the seat ring 12 in a valve 11 direction and is configured so that the valve body 11 is non-slidably rotated while separating the seat ring 12 from the valve body 11 by the cam mechanism 13, and when the valve body 11 is rotated in a valve closing state, the seat ring 12 is brought into contact with/separated from the valve body 11 by the cam mechanism 13 and the reciprocation mechanism 14 to control pressure in the passage 4 and respective mechanisms can be driven by the same driving source.
    • 要解决的问题:提供一种结构简单的小型蝶式压力控制阀,适用于控制真空区域中的压力,能够在显示时从精细流量到大流量进行精确的流量控制 通过显示隔离功能,能够通过来自相同驱动源的动力的高密封性,并且能够通过显示隔离功能从大气压至低真空进行高速压力控制。解决方案:阀开闭机构10包括阀体11, 垂直于通道4的方向,通过在通道4方向上往复运动而与阀体11接触/分离的座圈12;用于将阀座环12与阀体11分离并使阀体旋转的凸轮机构13 11和用于使阀座12沿阀11方向往复运动的往复运动机构14构成为使阀体11不可滑动地旋转, 在阀体11的环12处通过凸轮机构13,并且当阀体11在关闭状态下旋转时,座圈12通过凸轮机构13与阀体11接触/分离, 用于控制通道4中的压力的​​往复运动机构14和相应的机构可以由相同的驱动源驱动。
    • 10. 发明专利
    • Valve driving device
    • 阀驱动装置
    • JP2003056734A
    • 2003-02-26
    • JP2001248919
    • 2001-08-20
    • Sankyo Seiki Mfg Co Ltd株式会社三協精機製作所
    • HASHIMOTO KATSUOOZAWA SHIGERU
    • F16K11/074F16K31/04F16K31/54F25B41/06
    • F16K31/04F16K31/54Y10T137/0502Y10T137/6007Y10T137/6031
    • PROBLEM TO BE SOLVED: To provide a valve driving device for a motor-operated expansion valve having a welding heat avoiding mechanism. SOLUTION: A gear 20A engaging with a pinion 17 controls the opening/ closing of a communication hole 25A of an outflow pipe 28A while controlling the rotating angle of a valve element 24A in slide contact with a valve seat 23 of a valve seat plate 13. During welding for sealing the valve seat plate 13 to a case body 14 with an outer periphery S, a hook portion 20b at the upper part of the gear is locked to a locking portion 34 and the valve element 24A is set apart from the valve seat 23. The valve element 24A is protected against welding heat by an air layer 50 existing in a space to the valve seat plate 13. After spontaneous cooling, a pinion 17 is electrically remote-controlled to make the gear 20A rotated and released. An elastic arm portion 35d sets the gear 20A apart from the locking portion 34 with energizing force and makes the valve element 24A in press contact with the valve seat 23 for smoothly functioning opening/closing operation.
    • 要解决的问题:提供一种具有焊接避热机构的电动膨胀阀的阀驱动装置。 解决方案:与小齿轮17啮合的齿轮20A控制流出管28A的连通孔25A的打开/关闭,同时控制与阀座板13的阀座23滑动接触的阀元件24A的旋转角度。 在用于将阀座板13密封到具有外周S的壳体14的焊接期间,齿轮上部的钩部分20b锁定到锁定部分34,并且阀元件24A与阀座 阀元件24A通过存在于阀座板13的空间中的空气层50来防止焊接热。在自发冷却之后,小齿轮17被电遥控以使齿轮20A旋转和释放。 弹性臂部分35d将齿轮20A与锁定部分34分隔开,并且使得阀元件24A与阀座23压力接触,以使打开/关闭操作顺畅。