Pin connection structure of charging gun

The utility model relates to the technical field of charging guns, and discloses a pin connecting structure of a charging gun, which comprises a charging gun body, a circuit board module arranged in the charging gun body, a plurality of pins arranged at a charging port of the charging gun body and used for being matched with a socket of a vehicle, and a plurality of connecting terminals, the plurality of connecting terminals are in one-to-one correspondence with the plurality of contact pins, one end of each connecting terminal is inserted into the circuit board module and is reinforced by adopting spot welding, and the other end of each connecting terminal is connected with the contact pin. The circuit board module and the contact pin are directly connected through the connecting terminal, and the connecting terminal is connected to the circuit board module in a spot welding mode, so that higher connection strength is achieved between the connecting terminal and the contact pin and between the connecting ter