JPH0365817U

JPH0365817U -

Info

Publication number: JPH0365817U
Application number: JP12781789U
Authority: JP
Priority date: 1989-10-30
Filing date: 1989-10-30
Publication date: 1991-06-26

Description

[Brief explanation of the drawing]

第１図と第２図は本考案の第一の実施例で、第
１図は側面図、第２図は第１図のＡ−Ａ断面図、
第３図と第４図は第二の実施例で第３図は側面図
、第４図は第３図のＢ−Ｂ断面図、第５図は従来
技術の側面図である。１……ベローズ、２，３，６，７……アウタケ
ース、２ａ，３ａ，６ｂ，６ｃ，７ｂ，７ｃ……
嵌合部、４，５，９，１０，１１，１２……ピン
、８……インナケース、１３……緩衝材。 Figures 1 and 2 show a first embodiment of the present invention; Figure 1 is a side view, Figure 2 is a sectional view taken along line A-A in Figure 1;
3 and 4 show a second embodiment, FIG. 3 is a side view, FIG. 4 is a sectional view taken along line BB in FIG. 3, and FIG. 5 is a side view of the prior art. 1... Bellows, 2, 3, 6, 7... Outer case, 2a, 3a, 6b, 6c, 7b, 7c...
Fitting portion, 4, 5, 9, 10, 11, 12... Pin, 8... Inner case, 13... Cushioning material.

Claims

[Claims for Utility Model Registration] 1. Outer cases 6 and 7 that surround the outer periphery of the bellows 1 and have connecting portions 6a and 7a fixed to both ends of the bellows 1, respectively, and the bellows 1 and the outer case 6.
, 7, and an annular inner ring 8 concentric with the bellows 1, which is disposed between the bellows 1 and the inner ring 8, and an inner ring 8 disposed between the bellows 1 and the annular inner ring 8. Pins 9, 10, 11, 12 facing in the radial direction of the ring are provided, and a fitting portion 6b to be engaged with the pins 11, 12 provided at the two left and right locations on one outer case 6,
6c is a fitting portion 7b that is to be engaged with the pins 9 and 10 provided at the upper and lower two locations on the other outer case 7.
, 7c are provided, and furthermore, fitting portions 6b, 6c, 7b are provided.
, 7c have a substantially oval shape with a longer axis in the front-rear direction, and these fitting portions 6b, 6c, 7b, 7c
A pin joint flexible joint for an exhaust pipe in which a cushioning material 13 is filled between the and pins 9, 10, 11, and 12, respectively. 2 Outer cases 2 and 3 that surround the outer periphery of the bellows 1 and have connecting portions 2a and 3a fixed to both ends of the bellows 1, respectively, and pins that are horizontally provided in two places on the left and right of one outer case 3. 4, 5, and the pin 4 provided on the other outer case 2.
, 5, and a cushioning material 13 filled between the pins 4, 5 and the fitting parts 2b, 2c. A pin joint flexible joint for an exhaust pipe, characterized in that the shape of the pin 2c is a substantially elliptical shape having a short axis in the vertical direction and a long axis in the front-rear direction.