High-voltage switch cabinet convenient for external connection of line

The high-voltage switch cabinet comprises a switch cabinet body, a bus wiring cavity is arranged in the switch cabinet body, a plurality of threading ports are arranged on the cavity wall of the bus wiring cavity, positioning cylinders are arranged on the outer sides of the threading ports, the positioning cylinders are in threaded connection with inner conical pressing sleeves, and the inner conical pressing sleeves are in threaded connection with the bus wiring cavity. Mounting plates are arranged above and below the inner side of the threading opening, a bus connecting groove is formed in each mounting plate, a bus bar for electrically connecting the bus connecting groove with components in the cabinet is arranged in the bus wiring cavity, and a protective soft sleeve is arranged between the inner side of the threading opening and the bus connecting groove; and a clamping mechanism for clamping the protective soft sleeve is arranged on the inner wall of the bus wiring cavity. The utility model relates to a