Claims

1. A sealed device for installing a toilet stool on the floor; a drainage pipe is built inside the floor and includes an inlet port defined on the surface of the floor. A located member is sleevely mounted the perimeter of the inlet port and has an opening defined on the centre thereof and a plurality of bores disposed on the outer periphery thereof with fastener extending therethrough. A toilet stool having drainage trap outlet port defined on the bottom thereof for feeding into the drainage pipe; A sealed device is adapted to install between the drainage trap outlet port and located member and comprising: A sealed body made of ductile material, having an opening axially defined on the centre thereof. Said opening provide an access to connect with the drainage trap outlet port and inlet port of the drainage pipe. A plurality of ears horizontal protruded from the outer periphery of the sealed body. Said each of the ears includes an aperture for being extended through by the fastener on the locating member.

2. The sealed device as claimed in claim 1, wherein said sealed body has a cone defined on one end.