Presser foot lifting mechanism for football sewing machine

The utility model provides a presser foot lifting mechanism for a football sewing machine, and belongs to the technical field of sewing machines. The presser foot lifting mechanism solves the problemsthat a transmission assembly of a presser foot lifting mechanism in the prior art is complex in structure and large in occupied space on a sewing machine. The presser foot lifting mechanism comprisesa rotating shaft, a presser foot rod, a transmission lever and an air cylinder used for being fixed to a machine shell of the football sewing machine. The transmission lever is used for being hingedto a machine shell. The rotating shaft is used for being connected to a machine shell and can rotate around the axis of the rotating shaft. One end of the rotating shaft is connected with a cylinder piston rod; the other end of the rotating shaft is fixedly connected with a first swing rod, a protruding column perpendicular to the first swing rod is arranged at the end, away from the rotating shaft, of the first swing rod a