Special dust catcher in library

Special dust catcher in library forms including dust catcher host computer, telescopic handheld pole, dust collection head and air duct, and air duct one end is connected dust catcher host computer one end and is connected telescopic handheld pole bottom, and dust collection head is the cuboid structure, and the dust collection head rear portion is equipped with the circular -arc arch of slope from top to bottom, and the symmetry is equipped with two long banding dust absorption mouths on the dust collection head front panel, is equipped with the pappus brush between two dust absorption mouths, telescopic handheld peak of the staff portion connects in the circular -arc bellied bottom of dust collection head rear side, and telescopic handheld pole lower part is equipped with plastic antiskid cover. The utility model relates to a rationally, simple structure, easily operation, provide and have the pappus brush on the dust collection head, the regulation of can stretch out and draw back from top to bottom of han