Leg angle correcting device for quadriceps femoris rehabilitation training

The invention discloses a leg angle correcting device for quadriceps femoris rehabilitation training, and relates to the technical field of rehabilitation training, the leg angle correcting device comprises a simulated affected leg, a leg ring fixing assembly is arranged on the simulated affected leg, a traction adjusting assembly is arranged on the leg ring fixing assembly, and a dual-function assembly is arranged on the traction adjusting assembly and the leg ring fixing assembly; the double-function assembly comprises a sliding body, the inner side of the sliding body is fixedly connected with a working cavity, and the upper surface of the working cavity is provided with a control switch. The situation that the position of the arc-shaped body on the simulated affected leg is changed in the follow-up working process, and the walking angle correction effect of a patient is affected can be effectively avoided through clamping of the arc-shaped body and the ratchet piece, the elastic band can be fixed in the r