Thigh and shank angle adjusting mechanism of rehabilitation robot

The utility model discloses a rehabilitation robot thigh and shank angle adjusting mechanism, and belongs to the field of rehabilitation robot thigh and shank mechanisms, the rehabilitation robot thigh and shank angle adjusting mechanism comprises a shank rod, a servo cylinder, a connector and a rotating rod, the shank rod is connected with the connector through the rotating rod, the connector is located at the telescopic end of the servo cylinder, and a hinge seat is arranged on the side wall of the servo cylinder; and an improved fixed thigh rod is mounted on the hinge seat. According to the thigh and shank angle adjusting mechanism of the rehabilitation robot, the improved adjustable thigh rod and the improved fixed thigh rod are arranged and connected in a limiting mode through the butt joint rod and the L-shaped insertion strip, and the L-shaped insertion strip is inserted into the L-shaped insertion groove formed in the butt joint rod; the two mounting holes are formed in the L-shaped insertion strip, t