| 摘要 |
PURPOSE:To assemble a valve body and a valve seat easily and perfectly without damaging them by assembling them into an insertion hole formed onto a mushroom valve body by using an assembling jig having an insertion shaft. CONSTITUTION:The shaft part 3 of a mushroom valve body 1 is inserted into the installation hole 9 on a valve seat member 8 having an installation hole 9 at the center and a through-hole 10 on the periphery, and said valve seat seat member 8 is nipping-fixed by the umbrella part 2 and the stopper part 4 of the mushroom valve body 1. In assembly, the insertion shaft 23 of an assembling jig 20 is inserted into the insertion hole 6 on the mushroom valve body 1 and pressed, and then the shaft part 3 is extended, and the collision part 22 of the assembling jig 20 presses the center part of the mushroom part 2, and then the stopper part 4 reaches the outside of the valve seat member 8, and the stopper part 4 acts to prevent slip-off.
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