| 摘要 |
PURPOSE:To facilitate the holding of a spring, reduce the machining cost, and simplify the assembly of a valve by using at least 3 or more small spring elements with a U-shape on the side as an oppressive means of a valve seat retainer. CONSTITUTION:An O-ring 11 is inserted into the second annular groove 10 arranged on the outer periphery of a valve seat retainer 5, and an annular spring 12 is inserted between the valve seat retainer 5 in an annular notch 7 and a valve box 1. At least 3 or more spring elements 13 with a U-shape on the side are fitted to a connecting ring 14 to form the annular spring 12. The characteristics of this annular spring 12 can be freely set by properly selecting the thickness, width, and number of the spring elements 13, and its smoothly flexible range can be fully expanded.
|
