Drainage device, the utility model relates to a kind of special involving a sewer pipe can be quickly installed, including connectors, connected to the connection head connection sewer pipe, the pipe pipe shaft and connected to the pipe shaft joint, conduit and insert one end of the pipe shaft connection in play and conduit and pipe shaft through fitting connection, described at play and the pipe connecting with clamping piece, as described on fitting equipped with mounting holes, fitting by installing a hole set in the joint of the pipe and pipe shaft,
Fast installation of aluminum alloy pipe fittings hole wall with toward the installation hole center location extension and clamping piece of the same number of convex block, between the convex block and mounting holes have installed for clamping piece of space, of convex toward the end at the end of the play and the clamping blocks toward the down-flow pipe end to fit each other at the end of the inclined plane. The utility model provides a downpipe which is simple in structure and can be installed quickly and conveniently.
Drainage device, the utility model relates to a kind of special involving a sewer pipe can be quickly installed, including connectors, connected to the connection head connection sewer pipe, the pipe pipe shaft and connected to the pipe shaft joint, conduit and insert one end of the pipe shaft connection in play and conduit and pipe shaft through fitting connection, described at play and the pipe connecting with clamping piece,
The connecting piece is provided with an installation hole, and the connecting piece is arranged at the connection between the lower water pipe and the pipe body through the installation hole sleeve. The inner wall of the installation hole of the connecting piece is provided with a convex block extending towards the central position of the installation hole and the same number of clamping blocks. There is an installation space between each convex block and the installation hole for clamping blocks.
The end face of one end of the protruding block towards the pipe body and the end face of the clamping block towards the end of the pipe body are inclined planes that can be attached mutually. The utility model provides a downpipe which is simple in structure and can be installed quickly and conveniently.