| 摘要 |
PURPOSE: An offensive odor cutoff device for a connection pipe is provided to make indoor environment comfortable by completely cutting off offensive odors flowing backward from a pipe. CONSTITUTION: An offensive odor cutoff device for a connection pipe comprises a water inlet pipe(70), a bushing(60), a disk(50), a tube body(80), a cutoff membrane(90), and a steel ring(100). The bushing is coupled to the top end of a bushing joint(71) of the water inlet pipe. The disk has a female screw coupled to a male screw of the water inlet pipe. The cutoff membrane is sewed on the inner surface of the tube body and has an angle corresponding to the incline(73) of the water inlet pipe. The steel ring is buried in the end surface of the tube body. |
