Compact plug and adapter socket

The utility model discloses a compact plug and adapter socket, which relates to the field of plugs and sockets, and comprises an adapter socket lower cover, an auxiliary terminal is fixedly connected in an inner cavity of the adapter socket lower cover, a copper sleeve is sleeved on the outer wall of the auxiliary terminal, and a zero and live wire pin is arranged on the front surface of the copper sleeve. A first grounding pin is fixedly connected to the front surface of the zero and live wire pin, an adapter socket upper cover sleeves the front surface of the first grounding pin, a plug seat is inserted into the back surface of the adapter socket lower cover, a second grounding pin is fixedly connected to the front surface of the plug seat, and connecting terminals are symmetrically and fixedly connected to the left side and the right side of the front surface of the plug seat. According to the compact plug and the adapter socket, the adapter between current is facilitated, the current can be converted, the