CHARGING PORT LOCK DEVICE

[Object] To provide a charging port locking device capable of avoiding inadvertent connection breaks between a charging port and a charging connector. [Solution] The charging port locking device according to the present invention is provided with a locking mechanism that enters a locked state or an unlocked state through the rotation of a restraining member in a charging port to which power is supplied from an external power source through a charging connector via user operation, the restraining member being screwed in place to a rotating actuator of the locking mechanism, and the screw being provided within a hood of the vehicle.