Automobile skylight guide rail structure

The utility model discloses an automobile skylight guide rail structure which comprises a mounting plate, a fixing seat is arranged on one side of the mounting plate, supporting springs are arranged on the inner side of the fixing seat, the supporting springs are belleville springs, the supporting springs are symmetrically arranged in a stacked mode, a fixing hole is formed in the middle of the fixing seat, and the fixing hole is communicated with the fixing seat. The positions of the supporting springs correspond to the positions of the fixing holes. The cross section of the fixed seat is U-shaped, and the fixed seat is positioned on the upper side of the mounting plate; a rail base is arranged on one side of the mounting plate, and reinforcing mechanisms are arranged at the two ends of the rail base; through the designed fixing seat and the supporting spring, the mounting plate is supported on the fixing seat through the supporting spring during use, the mounting plate is fixed on the roof rack through the