Blackboard eraser duster

The utility model concerns a dust remover for blackboard cleaning belonging to culture and education device which consists a fixed orbit fixable under the blackboard, an aspirator movable on the orbit and a erasing-sucking device which is connected to the aspirator and has a erasing axletree driven by a ,motor. The utility is an improvement of the technology of relating blackboard erasing machine and handhold blackboard aspirator whose erasing-sucking device is easily movable up-down as well as side to side when cleaning and completes absorbing function and can equip a bigger power to have a better performance. The utility module is simple in structure, easy to operate and dust free and clean thereby reduces the dust pollution and does well to teaching and health of the teacher and students.