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    • 6. 发明专利
    • Decompression switching valve
    • 分解开关阀
    • JP2011163466A
    • 2011-08-25
    • JP2010027943
    • 2010-02-10
    • Smc CorpSmc株式会社
    • MIYAZOE SHINJISENBA KATSUYUKI
    • F16K31/42F15B11/00F15B11/028F15B11/06F16K11/07
    • F16K11/07F15B11/064F16K11/0716F16K11/10Y10T137/87193Y10T137/87225
    • PROBLEM TO BE SOLVED: To provide a decompression switching valve that enables reduction in the running cost and initial cost by saving the air consumption and simplifying and donwsizing equipment. SOLUTION: The decompression switching valve 1A includes one valve hole 2; a main valve body 3 having air supply ports P1, P2, a first output port A, a second output port B and an air exhaust port R which are communicated with the valve hole; and a first spool 4 and a second spool 5 which are slidably inserted into the valve hole adjacent to each other. The first spool forms a switching valve section 7 that selectively connects the first output port to an air supply port or the air exhaust port, and the second spool forms a decompression valve section 10 that reduces the pressure of compressed air which is input from the air supply port, and outputs the pressure from the second output port. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供减压切换阀,其通过节省空气消耗并简化和减少设备来降低运行成本和初始成本。 解决方案:减压切换阀1A包括一个阀孔2; 主阀体3具有与阀孔连通的供气口P1,P2,第一输出口A,第二输出口B和排气口R; 以及彼此相邻地滑动地插入阀孔中的第一阀芯4和第二阀芯5。 第一卷轴形成切换阀部分7,其选择性地将第一输出端口连接到供气口或排气口,并且第二卷轴形成减压阀部分10,减压阀部分10减小从空气输入的压缩空气的压力 并输出来自第二输出端口的压力。 版权所有(C)2011,JPO&INPIT
    • 7. 发明专利
    • Hydraulic control valve for construction machinery
    • 液压控制阀用于建筑机械
    • JP2011163459A
    • 2011-08-25
    • JP2010027485
    • 2010-02-10
    • Toshiba Mach Co Ltd東芝機械株式会社
    • KOBAYASHI MASAYUKISHIMOZONO TOSHIHIDE
    • F15B11/00F16K15/06
    • F16K15/02F15B13/027F15B13/0402F15B2211/3116F15B2211/329F16K11/07Y10T137/7841Y10T137/7846Y10T137/7904Y10T137/7925Y10T137/87193Y10T137/87225
    • PROBLEM TO BE SOLVED: To provide a hydraulic control valve for preventing high-speed rotation of a valve body of a check valve incorporated in the hydraulic control valve of a type that pressure oil is supplied from a tandem path and a parallel path via the check valve.
      SOLUTION: A check valve unit CH is constituted by a main body 6 and a valve body 4a of a first check valve 4. A throttle 3 is provided on a right side of an O-ring groove 6a. On a main body side, there is formed a cylindrical housing portion 6h in which a threaded portion d is formed on an outer peripheral portion for fixation to a casing of the hydraulic control valve. On an inner peripheral surface of the housing portion, a groove 8 is formed in an axial direction. Meanwhile, the valve body of the first check valve 4 has a rib 7. At a time of assembly, the rib 7 is inserted into the groove 8 of the main body as indicated by an arrow. After the valve body is assembled to the main body and fixed to the casing, even with imbalance such as phase shift of the pressure-oil path 4b, the rib having fit into the groove, namely the valve body, is prevented to rotate while it is slidable in the axial direction. Thus, the casing of a seating part of the valve body is not abraded.
      COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种液压控制阀,用于防止组装在液压控制阀中的止回阀的阀体的高速旋转,该液压控制阀是从串联通路和平行路径供给压力油的类型 通过止回阀。 解决方案:止回阀单元CH由第一止回阀4的主体6和阀体4a构成。节流阀3设置在O形环槽6a的右侧。 在主体侧,形成有圆筒状的容纳部6h,螺纹部d形成在外周部上,用于固定到液压控制阀的壳体。 在壳体部的内周面上,沿轴向形成有槽8。 同时,第一止回阀4的阀体具有肋7.在组装时,肋7如箭头所示插入主体的槽8中。 在阀体组装到主体上并固定到壳体之后,即使压力 - 油路4b的相移等不平衡,也可以防止配合到槽中的肋,即阀体旋转,同时 可沿轴向滑动。 因此,阀体的座部的壳体不被磨损。 版权所有(C)2011,JPO&INPIT