Cover plate shape righting tool of on-vehicle jack

The utility model discloses a cover plate shape righting tool of an on-vehicle jack, which is used for solving the problem in shape righting of a cover plate of the on-vehicle jack. The utility model adopts the technical scheme that the cover plate shape righting tool is composed of a shape righting plate and a bracket, wherein the bracket is used for supporting the shape righting plate, a shape righting groove is arranged on the shape righting plate, the lower surface of the shape righting groove is an oblique plane, one side of the upper surface of the shape righting groove is an circular arc camber, the upper surface and the lower surface of the shape righting plate are connected in an arc manner, and the periphery of the shape righting groove is in smooth arc transition with the shape righting plate. The cover plate shape righting tool is simple and convenient in operation, saves operation time, avoids product redeformation caused by unbalanced operation force of manual shape righting, can reduce product