Guide rail device of quick roller shutter door

The utility model discloses a guide rail device of a quick roller shutter door, and relates to the technical field of guide rail devices, the guide rail device comprises a guide rail main body, a buffer mechanism and a limiting mechanism, the guide rail main body comprises a side plate, a top plate and a bottom plate, the top plate and the bottom plate are fixedly arranged on one side of the side plate, and a sliding groove is formed in the top of the bottom plate; the buffering mechanism comprises a buffering plate, a movable column and a telescopic spring, the top of the movable column penetrates through the top plate and is movably arranged in the top plate, the bottom of the telescopic spring and the bottom of the movable column are fixedly arranged on the top of the buffering plate, and the outer surface of the movable column is sleeved with the telescopic spring. According to the utility model, through the arrangement of the buffer mechanism and the limiting mechanism, when the rapid rolling shutter doo