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    • 5. 发明公开
    • SPEED CONTROLLER
    • 速度控制器
    • EP3176482A1
    • 2017-06-07
    • EP15827235.1
    • 2015-07-06
    • Yugen Kaisha Hama International
    • HAMA, Tomio
    • F16K47/04F15B11/00F16K31/122F16K15/14
    • F15B11/10F15B11/0406F15B11/0413F15B11/048F15B11/06F15B13/027F15B13/042F15B15/22F15B15/24F15B2211/40515F15B2211/40584F15B2211/75F15B2211/8855F16K15/18F16K31/1221F16K31/1223Y10T137/86968Y10T137/87418
    • To provide a speed controller capable of controlling an action speed of an external cylinder in one stroke in a step-wise manner.
      The speed controller (1) includes a first flow path (16) and a second flow path (18) that allow a first port (12) and a second port (14) to be in communication with each other. The first flow path (16) is provided with a first check valve (28) for allowing flow from the first port (12) to the second port (14). The second flow path (18) is provided with a first needle valve (32), and an opening hole (28d) of the first check valve (28) is constituted as a part of a flow path. The first needle valve (32) adjusts the flow rate by changing an opening area of the opening hole (28d) with a tip portion (34a) fixed on a piston (30) in the cylinder chamber (20). The speed controller (1) further includes a third flow path (22) allowing the first port (12) and the cylinder chamber (20) to be in communication with each other. The third flow path (22) is provided with a second check valve (46) for allowing flow from the first port (12) to the cylinder chamber (20).
    • 本发明提供一种能够一步一步地控制外筒的动作速度的速度控制器。 速度控制器(1)包括允许第一端口(12)和第二端口(14)彼此连通的第一流动路径(16)和第二流动路径(18)。 第一流动路径(16)设置有用于允许从第一端口(12)流向第二端口(14)的第一止回阀(28)。 第二流路18具备第一针阀32,第一止回阀28的开口孔28d构成流路的一部分。 第一针阀32利用固定在缸室20内的活塞30上的前端部34a改变开口孔28d的开口面积来调整流量。 速度控制器(1)还包括允许第一端口(12)和缸室(20)彼此连通的第三流动路径(22)。 第三流路(22)设有允许从第一端口(12)流向缸室(20)的第二止回阀(46)。