Blow-off pipe

The utility model belongs to the technical field of bathroom equipment, and relates to a blow-off pipe which comprises a shell, one side of the shell is provided with a water inlet and a water outlet which are distributed up and down, and a bent pipe driven by a power device to rotate is arranged in the shell. One end of the bent pipe is a static end communicated with the water inlet, the port axis of the bent pipe and a rotating shaft of the bent pipe are the same axis, the other end of the bent pipe is a movable end, and a port of the bent pipe rotates around the rotating shaft; the bent pipe is switched between a closed state and a discharge state; when the bent pipe is in a closed state, the port of the movable end is integrally higher than the port of the static end, and a water seal structure is formed in the bent pipe; and when the bent pipe is in a discharging state, the port of the movable end is integrally lower than the port of the static end and is communicated with the water outlet. The blow-off