Charging interface device of charging pile

The utility model discloses a charging interface device of a charging pile. The charging interface device comprises a charging interface arranged on a charging pile body. According to the charging interface device of the charging pile, the protection assembly is arranged, an outer protection cover cylinder is arranged outside an opening of a charging interface, after an inner protection cover plate is installed in an inner insertion groove, at the moment, a positioning clamping plate is located in an inner positioning groove, a stable end can position the connecting position, and a dustproof top cover and an outer guide plate are arranged on a top plate; under the combined installation, dust blocking treatment can be carried out on the interface at the position, flow guiding operation can be carried out on rainwater when it rains, and when the whole inner protection cover plate is separated from the outer protection cover cylinder, a wire plug can pass through the interior of the outer protection cover cylind