JP2006299610A5 - - Google Patents

Claims (4)

A pipe connection structure for connecting a toilet drainage port and a drainage pipe that is erected upright to the floor surface, and an upper cylindrical part that communicates with the toilet drainage port, and a lower cylindrical part that communicates with the drainage pipe, An upper drain socket having a plurality of cylindrical walls with different inner diameters formed coaxially with the lower cylindrical portion outside the lower cylindrical portion;
It is composed of an adapter having a cylindrical connection portion that is circumferentially connected to any of the cylindrical walls, and a lower connection portion that is connected to the drain pipe in an airtight manner,
A cylindrical portion that hangs down in the drain pipe is provided in the lower connection portion,
One of the cylindrical walls of the upper drain socket and the cylindrical connecting portion of the adapter are fitted and connected to each other. It is a pipe connection structure that connects a toilet drain port and a drain pipe piped upright to the floor surface,
A lower drain socket having a lower connection portion connected to the drain pipe, and an upper connection portion communicating with the toilet drain port;
An upper cylindrical portion that communicates with the toilet drain, a lower cylindrical portion that communicates with the drain pipe, and a plurality of cylindrical walls that are formed coaxially with the lower cylindrical portion outside the lower cylindrical portion and have different inner diameters. An upper drain socket having
It is composed of an adapter having a cylindrical connection portion that is in circumferential contact with any one of the cylindrical walls, and a lower connection portion that is connected in an airtight manner via the lower drain socket and a sealing material,
A cylindrical portion that hangs down in the drain pipe is provided in the lower connection portion,
A pipe connection structure characterized in that an upper connection portion of the lower drainage socket and one of cylindrical walls of the upper drainage socket are fitted and connected to each other. The pipe connection structure according to claim 2, wherein the connection cylindrical portion of the adapter is fitted and connected to one of the cylindrical walls of the upper drain socket.   4. The pipe connection structure according to claim 2, wherein a flange that abuts on an inner peripheral surface of an upper connection portion of the lower drain socket is provided on an outer periphery of a connection cylindrical portion of the adapter.