Negative pressure aspirator for pediatric department

The negative pressure aspirator comprises a base, a supporting seat is fixedly connected to the upper end face of the base, a moving part is further arranged on the base, a working box is fixedly connected to the side wall, away from the base, of the supporting seat, and a negative pressure device is arranged in the working box. A working table is fixedly connected to the outer wall of the side, away from the base, of the working box, a rotating table is rotationally connected to the working table, a tooth-shaped ring is fixedly connected to the side wall of the rotating table, an arc-shaped frame is fixedly connected to the outer wall of the side, away from the base, of the working box, and the arc-shaped frame is located on one side of the rotating table; and a plurality of threaded holes are formed in the arc-shaped frame, threaded rods are in threaded connection with the interiors of the threaded holes correspondingly, and pointed ends are fixedly connected to the side walls, close to the rotating table,