Scissor door connecting hinge and automobile

The invention belongs to the technical field of automobile door hinge structures, and particularly discloses a scissor door connecting hinge and an automobile. The scissor door connecting hinge is provided with a vehicle body connecting piece, a vehicle door connecting piece, a ball pin assembly and a rotating piece. The vehicle body connecting piece is provided with a first hinge seat, a mounting cavity is formed in the first hinge seat, a shaft hole is formed in the first hinge seat, and the ball pin assembly is provided with a ball seat, an inner ball and a pin shaft; the pin shaft penetrates through the shaft hole and is connected with the door connector; an outer convex part is arranged at the middle section of the pin shaft and is positioned in the shaft hole; a first wear-resistant bushing is arranged between the outer side surface of the outer convex part and the hole wall of the shaft hole; in the moving process of the car door connecting piece, due to the fact that the first abrasion-resistant linin