Rotating arm guide rail connecting structure

The tumbler guide rail connecting structure comprises a vehicle body, a vehicle door, a guide rail, a tumbler and a tumbler seat, the guide rail is arranged on the inner surface of the vehicle door, the upper portion and the lower portion of a vehicle door frame or the side wall of one side of the vehicle door frame, the guide rail is composed of a linear section and a curved section, the linear section is arranged in the sliding direction of the door, and the curved section is connected to one end of the linear section; one end of the rotating arm is connected to the rotating arm base in a restrained and rotating mode, the other end of the rotating arm is provided with two or more rollers, the rollers rotate on roller shafts, the roller shafts are fixed to the rotating arm, and the rollers are restrained to roll on the guide rail. According to the structure on the passenger car, a middle guide rail does not need to be arranged on the side wall of the car body, and the sliding door can stably operate when ope