Checking fixture for reinforcing plate of an auto door outer panel

The utility model relates to a checking fixture for a reinforcing plate of an auto door outer panel. The checking fixture comprises a checking fixture bottom plate, a bolt seat, a checking fixture body and a tightening device, wherein the bolt seat, the checking fixture body and the tightening device are arranged on the checking fixture bottom plate; a detection pin used for detecting a workpiece, a clearance gauge and a positioning pin component for positioning the workpiece are arranged on the checking fixture body; and after the workpiece is positioned by the positioning pin component, the workpiece is fixed on the checking fixture body by the tightening device, and then the workpiece is detected by the detection pin and the clearance gauge. Compared with the prior art, the checking fixture for the reinforcing plate of the auto door outer panel has the advantages of simple technique, high efficiency, low cost and the like.