Vehicle bottom supporting rod

The utility model relates to the technical field of vehicle bottom supporting rods, in particular to a vehicle bottom supporting rod and a vehicle bottom supporting rod, a supporting lifting structure is arranged in the vehicle bottom supporting rod, an anti-skid structure is arranged at the lower end of the vehicle bottom supporting rod, the supporting lifting structure comprises a lifting rod, the lifting rod is arranged in the vehicle bottom supporting rod, and the anti-skid structure is arranged at the lower end of the vehicle bottom supporting rod. A rack plate is fixedly connected to the outer wall of the lifting rod, a gear is connected to the surface of the rack plate in a meshed mode through teeth, a connecting rod is fixedly connected to the side wall of the gear, a limiting seat is inserted into the connecting rod, a limiting block is fixedly connected to the side wall of the limiting seat, and the limiting block is inserted into the limiting groove. And the limiting groove is formed in the connect