Electricity switching interface for battery box of electric automobile

The utility model relates to an electricity switching interface for a battery box of an electric automobile, which comprises a socket end and a plug end, wherein the plug end is the other end of a battery box interface and is matched with the socket end, the socket end comprises a socket casing, a plug bolt sleeve and a plug pin sleeve, the plug bolt sleeve is connected with a main power supply, the plug pin sleeve is connected with an auxiliary power supply and a signal source, the plug end comprises a plug casing, a plug bolt and a plug pin, the plug bolt and the plug pin are arranged on the plug casing, the plug casing and a guide sleeve are arranged on an installing plate, the plug bolt sleeve and the plug pin sleeve are arranged on the socket casing, axial gaps and radial gaps are respectively left between the plug bolt, the plug bolt sleeve, the plug pin and the plug pin sleeve and insulating elements arranged in respective installing holes so that a core element formed after the plugging of the plug bo