In view of the above situation, in order to solve the problems existing in the prior art, the purpose of the present invention is to provide a book dust collector, which can effectively solve the problem that the contact part between the bookshelf and the book is difficult to clean. The invention solves the problem of cleaning contact areas between bookshelves and books.
The book dust collector includes a flat plate, support rods, a lower box, an upper box, a rotating shaft, a first sleeve, a second sleeve, a first gear, a ratchet wheel, a check pawl, a first rope, a first blind hole, a first pin, a third sleeve, a second friction wheel, a groove, a tension spring, a second blind hole, and a second pin. The invention has a lower box with a vertical baffle and a dust suction rod. The dust suction rod slides back and forth along the baffle. A compression spring is between the right side of the baffle and the right side plate of the lower box. The rack is arranged in the front-rear direction on the rear side of the dust suction rod. The incomplete gear is on the rotating shaft and meshes with the rack.