Automobile seat framework with cushion overturning function

The utility model belongs to the technical field of automobile seats, and discloses an automobile seat framework with a cushion overturning function, which comprises a seat basin base, two connecting pieces and a backrest framework, the seat basin base and the backrest framework are fixedly connected into an L shape through the two connecting pieces, the two connecting pieces are hinged with a seat basin together, and the seat basin base is connected with the backrest framework through the two connecting pieces. The seat basin and the seat basin base are provided with a plurality of supporting pieces in a matched mode, an arc-shaped limiting groove is formed in the end of the seat basin, the connecting piece is fixedly provided with a limiting screw matched with the arc-shaped limiting groove in a sliding mode, an air spring is connected between the seat basin and the seat basin base, and the seat basin is provided with a locking piece. A seat cushion unlocking motor and a seat cushion lock are installed on t