| 摘要 |
PURPOSE:To lower a static spring constant that acts as the elastic body and spring constant whole, at a certain specific sphere by embedding a platelike spring member having a curved surface portion that is convex on the inner pipe side, in an elastic body connecting the outer pipe and the inner pipe that is eccentrically arranged inside the outer pipe. CONSTITUTION:This bush most suitable for an engine mount is equipped with a metal made outer pipe 1, a metal made inner pipe 2 that is arranged inside the outer pipe eccentrically in regard to its axis, and a rubber elastic body 3 whose both ends butt against the outer pipe 1 mutual confronting inner peirphery surface and at the same time which holds the inner pipe 2 at its center portion and connects both integrally. And a platelike spring member 4 having a curved surface portion 41 that is convex on the inner pipe 2 side, is embedded in the elastic body 3 at a location that is on the lower side than the pipe 2, and at the same time the 1st and 2nd rubber stoppers 5, 6 are welded in vulcanization at the upper and lower parts of the inner periphery surface of the outer pipe 1. And a space 7 is formed between the body 3 and the 1st stopper 5, and also an operation space 8 is formed between the body 3 and the 2nd stopper 6. |
