Car seat lifting mechanism

The utility model discloses a car seat lifting mechanism which comprises a seat skeleton arranged on a slide rail, wherein the seat skeleton is connected with the slide rail through supporting pieces and a lifting device. The supporting pieces are a front hinged support and a rear hinged support which are fixedly connected to the slide rail, and a front connecting rod and a rear connecting rod which are fixedly connected to the seat skeleton and connected with the front hinged support and the rear hinged support in a hinged mode. The lifting device is a hinge mount which is arranged between the front hinged support and the rear hinged support and provided with a sliding groove. A swinging arm and a sector toothed plate are coaxially arranged on the seat skeleton located between the front connecting rod and the rear connecting rod, the other end of the swinging arm is connected with a pin shaft arranged in the sliding groove of the hinge mount, the toothed face of the sector toothed plate is meshed with an adj