Automobile side wall and sliding door gap measuring mechanism

The utility model belongs to the technical field of automobile part detection, and particularly relates to an automobile side wall and sliding door gap measuring mechanism. The device comprises a positioning mechanism and a measuring mechanism which are connected in an inserted mode. The positioning mechanism comprises a C-shaped plate, a projection welding nut and a tightening mechanism; the measuring mechanism comprises a datum plate and a sliding plate. The sliding plate and the reference plate are inserted into the groove cavity of the C-shaped plate in a parallel stacking manner; whereinthe datum plate is connected with the inner opening end of the C-shaped plate in a welded mode, a gap is formed between the sliding plate and an inner groove cavity of the C-shaped plate, the slidingplate moves parallel to the datum plate, the sliding plate is moved and positioned through the tightening mechanism, the distance between the datum plate and the sliding plate is determined, and the thickness is removed to obt