| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To surely prevent wrong operation and malfunction of a manual button in a solenoid valve provided with the manual button for manually switching a spool. <P>SOLUTION: This device includes a main valve part 3 having the spool 6 for switching flow passage and a solenoid operation part 4 for driving the spool. The main valve part 3 includes manual buttons 18A, 18B capable of manually switching the spool 6 and a safety member 41 movably installed, and can be moved to a lock position where the safety member 41 engages with the manual buttons 18A, 18B to lock the manual button under an operation disabled condition and to a release position where the manual buttons 18A, 18B are separated to release lock. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
