Stable connecting device for drainage pipe

The utility model discloses a drain pipe stable connection device, relates to drain pipe installation technical field, including first fixed pipe and second fixed pipe, the inside thread connection of second fixed pipe is equipped with the clamp screw, one end of clamp screw is rotatingly connected with the clamping plate, the outer surface of clamping plate is fixedly connected with the balance pole, the balance pole is equipped with the clamp screw, and the clamp screw is equipped with the clamp screw. The end, away from the clamping plate, of the balance rod penetrates through the second fixing pipe and extends to the outside, and an adjusting mechanism is arranged on the outer surface of the second fixing pipe. A drainage pipeline can be clamped and fixed through a first fixing pipe, a second fixing pipe, a clamp screw, a balance rod and a clamping plate, so that the drainage pipeline can be stably fixed, and through the arrangement of an adjusting mechanism, a first sliding block, a first adjusting screw