The utility model provides a dedusting device relates to environmental protection dust removal field, and the purpose that reaches prevents that dedusting device is electrically conductive, avoids people to electrocute when using dedusting device to remove dust to electronic equipment. The main technical scheme who adopts does: dedusting device cleans subassembly and drive structure including gripping the structure. The gripping member that the structure has first connecting piece and is connected grips with first connecting piece, the axis of gripping member intersects and is the contained angle with the axis of first connecting piece, it includes brush, the middle part and the first connecting piece swivelling joint of brush to clean the subassembly, the drive structure includes driving piece and second connecting piece, driving piece and brush parallel arrangement, and the middle part of driving piece and first connecting piece swivelling joint, the second connecting piece is located one side of first connecting piece, and the both ends of second connecting piece respectively with the end connection of driving piece and brush, wherein, gripping the structure, clean the subassembly and driving the structure and make by insulating material, the material of second connecting piece is flexible and nonelastic insulating material.