JPS6340691U

JPS6340691U -

Info

Publication number: JPS6340691U
Application number: JP13425286U
Authority: JP
Priority date: 1986-09-03
Filing date: 1986-09-03
Publication date: 1988-03-16
Also published as: JPH0317106Y2

Description

[Brief explanation of the drawing]

第１図ないし第４図は本考案の一実施例を示す
ものであつて、第１図は本考案の実施例に係る橋
梁排水管用可撓継手の一部縦断側面図、第２図は
第１図のＡ―Ａ線断面図、第３図は可撓継手筒の
縦断側面図である。第４図は前記可撓継手筒を使
用した橋梁排水装置の側面図である。第５図は従
来の橋梁排水装置の一例を示す側面図、第６図は
その一部を拡大して示す側面図、第７図は第６図
のＢ―Ｂ線断面図である。第８図および第９図は
従来の橋梁排水装置の他の例を示す一部縦断側面
図である。１は中間筒体、２は上部筒体、３は外側下部筒
体、４は内側下部筒体、５は管端挿込溝、６は弾
性材料製可撓継手筒、７は下部排水管、８は締付
バンド、９は上部排水管、１０は締付バンド、１
１は橋梁、１６は下部構造体、２０は円弧状誘導
斜面、２１はバンドずれ止め用環状突条、２２は
締付用ビス。 1 to 4 show an embodiment of the present invention, in which FIG. 1 is a partially longitudinal side view of a flexible joint for bridge drainage pipes according to an embodiment of the present invention, and FIG. FIG. 1 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a vertical sectional side view of the flexible joint tube. FIG. 4 is a side view of a bridge drainage system using the flexible joint tube. FIG. 5 is a side view showing an example of a conventional bridge drainage system, FIG. 6 is a side view showing an enlarged part of the system, and FIG. 7 is a sectional view taken along the line BB in FIG. 6. FIGS. 8 and 9 are partially longitudinal side views showing other examples of conventional bridge drainage devices. 1 is an intermediate cylinder body, 2 is an upper cylinder body, 3 is an outer lower cylinder body, 4 is an inner lower cylinder body, 5 is a pipe end insertion groove, 6 is a flexible joint cylinder made of an elastic material, 7 is a lower drain pipe, 8 is a tightening band, 9 is an upper drain pipe, 10 is a tightening band, 1
1 is a bridge, 16 is a lower structure, 20 is an arc-shaped guiding slope, 21 is an annular protrusion for preventing band slippage, and 22 is a tightening screw.

Claims

[Scope of utility model registration request]

An upper cylinder 2 is connected to the upper end of the bellows-shaped intermediate cylinder 1, and an outer lower cylinder 3 and an inner lower cylinder 4 are connected to the lower end of the intermediate cylinder 1.
A tube end insertion groove 5 is provided between the outer lower cylinder body 3 and the inner lower cylinder body 4 to constitute a flexible joint cylinder 6 made of an elastic material, and the tube end insertion groove 5 in the flexible joint cylinder 6 is formed. The upper end of the lower drain pipe 7 is fitted into the groove 5, and the outer lower cylinder 3 is tightened and fixed to the lower drain pipe 7 by the tightening band 8. A flexible joint for a bridge drain pipe, characterized in that it is fitted onto the outer periphery of the lower end of the drain pipe 9 and is tightened and fixed by a tightening band 10.