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    • 155. 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)。
    • 159. 发明公开
    • HYDRAULIC TOOL
    • 水力发电机组
    • EP3081339A1
    • 2016-10-19
    • EP13899130.2
    • 2013-12-10
    • Izumi Products Company
    • UCHIYAMA TakeshiKITAHARA Tomoyuki
    • B25B25/00B25F5/00
    • B25F5/005B25B27/10F16K15/18F16K17/048
    • A hydraulic tool having a body, a frame in which a stationary tool for machining a workpiece and a movable tool are disposed, a cylindrical piston, and a rapid-advance piston connected to the body, wherein the rapid-advance piston has a barrel part being in contact with the piston, a connection part disposed at the rear end of the barrel part and connected to the body, a screw part formed in the connection part, and a D-cut face formed on the barrel part. A fixation member disposed in the body so as to be positioned in the vicinity of the D- cut face is also provided. The D-cut face is formed along a direction orthogonal to a line that connects the center point of the barrel part to the center point of the fixation member, and the rapid-advance piston is prevented from rotating by the fixation member.
    • 一种具有主体的液压工具,其中设置有用于加工工件的固定工具和可移动工具的框架,圆柱形活塞和连接到主体的快速前进活塞,其中快速进给活塞具有筒部分 与所述活塞接触的连接部,设置在所述筒部的后端并连接到所述主体的连接部,形成在所述连接部中的螺纹部,以及形成在所述筒部上的D切割面。 还设置有设置在本体中以便定位在D-切割面附近的固定构件。 D切割面沿着与将筒部的中心点连接到固定部件的中心点的线垂直的方向形成,并且防止快进进动的活塞被固定部件旋转。