High-protective-performance through-wall connector with three-section structure

The utility model relates to the technical field of connectors, in particular to a three-section-structure high-protection-performance wall-through connector which comprises a wall-through terminal body, a middle protection part and a wire protection part and is characterized in that the wall-through terminal body comprises an insulating shell and a conductive part, the conductive part is embedded in the insulating shell and penetrates through the inner side and the outer side of connecting equipment, and the middle protection part is connected with the conductive part. The middle protection piece comprises a middle protection piece shell, a containing cavity is formed in the middle protection piece shell, one end of the middle protection piece shell is detachably connected with the insulating shell in a sealed mode, the other end of the middle protection piece shell is detachably connected with a wire protection piece in a sealed mode, and the other end of the wire protection piece is connected with a wire i