Vehicle door hinge structure with limiting function

The utility model discloses a car door hinge structure with a limiting function in the field of hinge structures, which comprises a body, supporting holes are formed in the top and the bottom of the body, a rotating frame is fixedly connected to the surface of the body, a rotating nail is fixedly connected to the surface of the rotating frame, and a rotating bearing is fixedly connected to the surface of the rotating frame. A sliding supporting block is fixedly connected to the top of the body, the surface of the sliding supporting block makes contact with the surface of a vehicle door support, and a sealing ring is additionally arranged at the meshing position of hinge parts, so that the situation that a hinge is rapidly abraded due to high-frequency opening and closing of a vehicle door, abnormal sound is generated during opening and closing, and clamping during opening and closing is even caused by lack of lubrication of internal parts is prevented; and meanwhile, the hinge protection sleeve is additionall