Jacking supporting assembly

The utility model relates to the technical field of functional assemblies, in particular to a jacking supporting assembly which comprises a shell comprising a body and a bottom plate. The sliding assembly comprises a sliding plate, a supporting plate and a connecting plate; the action end of the driving part is connected with the connecting plate so as to drive the connecting plate to execute the sliding action; the jacking assembly comprises a supporting rod and a jacking rod, a sliding pin protrudes out of the outer side wall of the supporting rod, the sliding plate is provided with a first through hole used for providing a moving space for the sliding pin, the first through hole comprises a horizontal section and an inclined section, the horizontal section is communicated with the inclined section, and the inclined section is far away from the connecting plate; the distance between the inclined section and the bottom plate is gradually shortened from the position close to the horizontal section to the posi