Abstract: Disclosed is a segmented inverting cover plate apparatus for an underfloor vehicle lifting jack. The apparatus comprises a cover plate, the cover plate being of a segmented structure, comprising a first movable cover plate (4) and a second movable cover plate (6), wherein the first movable cover plate (4) and the second movable cover plate (6) are hinged by means of a pin shaft. An anti-inversion block (5) is provided directly below the pin shaft, the anti-inversion block (5) being connected to the first movable cover plate (4) by means of the pin shaft. A guide wheel (7) is provided below the end of the second movable cover plate (6) away from the first movable cover plate (4).