| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a solenoid coil suitably retaining an O-ring until completion of installation to a valve body with preventing the O-ring fitted in a ring groove from coming off. <P>SOLUTION: In a mold type solenoid coil 1 sliding a spool valve element arranged in the valve body in an axial direction by a moving iron core driven by magnetic attraction force under a condition where the same is installed on the valve body of a solenoid valve, the ring groove 11 in which the O-ring 12 for sealing installed in a gap with an end surface under a valve body installed condition is provided on a front surface abutting on an installation section end surface of the valve body, one or more coming-off preventing projection 10 narrowing width of the groove narrower than section diameter of the O-ring 12 under a natural condition and pressing and locking the O-ring 12 fitted in the ring groove 11 from a circumference direction is projectingly provided on a grove inside wall surface as one body. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
