Pin structure and charger

The utility model provides a pin structure and a charger. The pin structure comprises a cover body, a main pin, an auxiliary pin and a connecting rod. The cover body is provided with a first storage groove, a second storage groove, a first shaft hole located in one end of the first storage groove and a second shaft hole located in one end of the second storage groove. A first rotating shaft and a first plug pin are arranged at the rotating end of the main plug pin, the main plug pin is matched with the first storage groove, and the first rotating shaft is matched with the first shaft hole; a second rotating shaft and a second bolt are arranged at the rotating end of the auxiliary pin, the auxiliary pin is matched with the second storage groove, and the second rotating shaft is matched with the second shaft hole; a first inserting hole and a second inserting hole are formed in the two opposite ends of the connecting rod respectively, the first plug pin is matched with the first inserting hole, and the second p