Vehicle-mounted portable interphone charging box

The utility model discloses a vehicle-mounted portable interphone charging box which comprises a box body, a box cover is hinged to the top of the box body, a cavity is formed in the box body, a charging panel is arranged in the cavity of the box body, a plurality of sets of charging grooves are formed in the top of the charging panel, and a plurality of sets of fixing plates are fixed to the bottom of the cavity of the box body. Cavities are formed in the multiple sets of fixing plates in the length direction of the fixing plates, and damping assemblies used for damping the charging panel are arranged in the cavities of the fixing plates. When a charging panel is subjected to downward impact force, multiple sets of supporting plates are driven to press downwards, third springs are pressed through sliding blocks hinged to the bottoms of the supporting plates, the third springs achieve the damping effect by relieving the impact force, and the impact force borne by the supporting plates can be shared through th