Charging socket structure, charging connection structure and electric vehicle

The invention discloses a charging socket structure, a charging connection structure and an electric vehicle. The charging socket structure comprises a charging socket and a metal flange; a through hole is formed in the metal flange; the through hole is matched with the charging socket; the metal flange is fixedly connected with the charging socket through the through hole; the metal flange is used for making contact with a vehicle body; the charging socket comprises a first hole and a grounding terminal; the first hole is formed in the end part of the charging socket and is used for being matched with a grounding conductor in charging equipment of a charging plug; the grounding terminal comprises a first bent section, a connecting section and a second bent section; and the first bent section is arranged on the inner wall of the first hole, the second bent section is arranged on the outer side of the charging socket, the first bent section and the second bent section are connected through the connecting secti