US Patent 11398708 Converter

The present disclosure provides a converter, including a housing and a three-pole plug pin assembly. The three-pole plug pin assembly includes a toggle button assembly, and the toggle button assembly is configured to be able to move between a first position and a second position. When the toggle button assembly is at the first position, the toggle button assembly is capable of driving an L-pole plug pin, an N-pole plug pin and an earth-pole plug pin to extend out of the housing. When the toggle button assembly is at the second position, the earth-pole plug pin is capable of being received in the housing under an action of a first elastic member.