Siphon drainage device

The utility model relates to the field of drainage, in particular to a siphon drainage device. The siphon drainage device comprises a first connector, and a plurality of insertion boxes are mounted on the peripheral wall of the first connector; the second connector is connected with the first connector, and a plurality of fixing plates are mounted on the peripheral wall of the second connector; the first insertion block is connected with the fixing plate and located on the side close to the first connector; and the locking mechanism is connected with the insertion box, is positioned in the insertion box, and comprises the fixing head. The siphon drainage device has the effect that the first connector and the second connector can be conveniently and rapidly disassembled and assembled, the effect of fixing the first connector and the second connector can be achieved by inserting the first inserting block into the inserting box during connection, when the first connector and the second connector need to be disas