Mobile phone battery connecting female seat with expansion type terminal structure

The utility model discloses a battery connecting female seat with an expansion type terminal structure, which comprises an insulating base, a terminal and a grounding fixing pin, the insulating base is provided with a sinking platform part serving as a socket, the center of the bottom surface of the sinking platform part is provided with a boss part which is vertically protruded upwards, and the front side surface and the rear side surface of the boss part are respectively provided with a mounting through groove for mounting the terminal; wherein the left side surface and the right side surface of the insulating base are respectively provided with a supporting part, the supporting parts are matched with the front side surface and the rear side surface of the insulating base to form a clamping groove, the grounding fixing pin comprises a main body part and a connecting pin which are integrally formed, the main body part is respectively in surface contact with the front side surface andthe rear side surface of