JPH01166885U

JPH01166885U -

Info

Publication number: JPH01166885U
Application number: JP5748888U
Authority: JP
Priority date: 1988-04-28
Filing date: 1988-04-28
Publication date: 1989-11-22

Description

[Brief explanation of drawings]

第１図は本考案の第１実施例に係る管連結装置
の一部断面図である。第２図は同実施例の動作状
態を示す要部断面図である。第３図は本考案の第
２実施例に係る管連結装置の一部断面図である。
第４図は従来における管連結装置の一部断面図で
ある。主要な部分の符号の説明、１……前方の排気管
（一方の管）、２……後方の排気管（他方の管）
、３……蛇腹管、４……大径部、４Ｃ……外面、
６……外部保護筒、６Ｃ……内面、９……弾性リ
ング体。 FIG. 1 is a partial sectional view of a pipe connecting device according to a first embodiment of the present invention. FIG. 2 is a sectional view of a main part showing the operating state of the same embodiment. FIG. 3 is a partial sectional view of a pipe connecting device according to a second embodiment of the present invention.
FIG. 4 is a partial sectional view of a conventional pipe connecting device. Explanation of symbols of main parts, 1...Front exhaust pipe (one pipe), 2...Rear exhaust pipe (other pipe)
, 3... Bellows tube, 4... Large diameter part, 4C... Outer surface,
6...External protection cylinder, 6C...Inner surface, 9...Elastic ring body.

Claims

[Scope of utility model registration request]

In a pipe connecting device in which one pipe and the other pipe are connected via a bellows tube and the outside of the bellows tube is protected by an external protection tube, the outer surface of a predetermined large diameter portion of the bellows tube and the inner surface of the outer protection tube 1. A pipe connecting device characterized in that an elastic ring body is mounted around an external protection tube that is separated from a large diameter portion by a predetermined distance.