| 摘要 |
PURPOSE: A remote control valve is provided to simplify the structure and reduce size and parts count by eliminating a shuttle valve. CONSTITUTION: A remote control valve comprises a first inlet port(8a) branched off from a first flow channel(8) connecting an oil supply port(P) and a first outlet port(2a) of a valve body(1); a second inlet port(9a) branched off from a second flow channel(9) connecting the oil supply port and a second outlet port(2b) of the valve body; a plug having a secondary pilot oil passage(10) with inlets(10a,10b) arranged to face the first inlet port and the second inlet port, respectively, and which is installed in the lengthwise direction at the near center of the valve body; and shielding rings inserted to be slidable into the outer circumference of the plug. The shielding rings are stacked and supported by springs, and move in the vertical direction by the first pilot oil being fed through the first or second inlet port so as to allow the inlets of the secondary pilot oil passage to be selectively communicated to the first inlet port or the second inlet port.
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