Quadruple drainage bucket drainage device

The utility model discloses a quadruple drainage barrel drainage device which comprises a shell, the inner wall of the bottom of the shell is connected with a quadruple drainage barrel structure through bolts, the quadruple drainage barrel structure comprises a first barrel body, a second barrel body, a third barrel body and a fourth barrel body, and the first barrel body and the second barrel body are both arranged to be precipitation barrels. The third barrel body is a transition barrel, the fourth barrel body is a drainage barrel, a first connecting pipe structure is arranged between the opposite sides of the first barrel body and the second barrel body, and a second connecting pipe structure is arranged between the opposite sides of the second barrel body and the third barrel body. Sewage overflows into the shell, then the sewage is settled in the first barrel body and the second barrel body of the settling barrel, water enters the third barrel body and the fourth barrel body, the submersible pump and the