JPH035750U

JPH035750U -

Info

Publication number: JPH035750U
Application number: JP6690189U
Authority: JP
Priority date: 1989-06-07
Filing date: 1989-06-07
Publication date: 1991-01-21

Description

[Brief explanation of the drawing]

第１図から第３図までの図面はこの考案の実施
例を示すものであり、第１図は第１実施例におけ
るマンホール内配管構造の要部横断面図、第２図
は同要部縦断面図であり、第３図は第２実施例に
おける第１図相当の横断面図である。又、第４図
は従来のマンホール内配管構造の全体縦断面図、
第５図はそれの第１図は相当の要部横断面図であ
る。１…管継手、２ｂ…流入管接続口、２ｅ…副管
接続口、１０…流入管、２０…副管、５０…マン
ホール、Ｌ_１…流入管接続口の軸心、Ｌ_２…副管
接続口の軸心。 The drawings from FIG. 1 to FIG. 3 show an embodiment of this invention. FIG. 3 is a cross-sectional view corresponding to FIG. 1 in the second embodiment. In addition, Fig. 4 is an overall vertical cross-sectional view of the conventional piping structure inside the manhole.
FIG. 5 is a cross-sectional view of the main part of FIG. 1. 1... Pipe joint, 2b... Inflow pipe connection port, 2e... Sub pipe connection port, 10... Inflow pipe, 20... Sub pipe, 50... Manhole, L ₁ ... Axis of inflow pipe connection port, L ₂ ... Sub pipe connection axis of the mouth.

Claims

[Scope of utility model registration request]

A sub-pipe is arranged vertically inside the manhole, the upper part of the sub-pipe is connected to the inflow pipe arranged approximately horizontally, the lower part of the sub-pipe is located near the bottom of the manhole; In a manhole piping structure in which the flow of fluid from the sub-pipe is changed horizontally, the inflow pipe and the sub-pipe are aligned with the axis of the inflow pipe connection port and the axis of the sub-pipe connection port. A piping structure in a manhole, characterized in that the pipes are connected via pipe joints arranged eccentrically in a plan view.