Negative pressure drainage dressing equipment with drainage tube fixing function

The utility model relates to the technical field of medical dressings, and provides a negative pressure drainage dressing device with a drainage tube fixing function, which comprises a base, the top end of the base is movably connected with a column body, the top end of the column body is rotatably connected with a connecting column, the inner side of the connecting column is fixedly connected with a tube body, and the tube body is fixedly connected with a drainage tube. A shell is fixedly connected to the bottom end of the base, a negative pressure pump is fixedly connected to the top end of the inner wall of the shell, a liquid suction pipe is arranged above the surface of the negative pressure pump, a shell is movably connected to the lower portion of the shell, an elastic rubber sleeve is arranged on the inner wall of the shell, and a fixing block is fixedly connected to the inner side of the elastic rubber sleeve. And the bottom end of the shell is fixedly connected with a gauze layer. According to the t