Movable blackboard eraser and blackboard eraser box matched with movable blackboard eraser for dust removal

Abstract

The invention provides a movable blackboard eraser and a blackboard eraser box matched with the movable blackboard eraser for dust removal, and relates to the field of blackboard erasers. The blackboard eraser box comprises a blackboard eraser shell, a blackboard eraser box body, a beating dust removal mechanism for beating chalk dust on the blackboard eraser and a closed dust removal mechanism for removing dust in a closed environment, wherein the surface of the blackboard eraser shell is rectangular, the upper side and the lower side of the blackboard eraser shell are mouth-shaped, the beating dust removal mechanism is arranged on the blackboard eraser shell, and the surface of the blackboard eraser box body is rectangular. According to the movable blackboard eraser and the blackboard eraser box matched with the movable blackboard eraser for dust removal, a special structure is designed according to the situation that clothes are easily polluted and the dust on the surface is difficult to remove in the using process of an existing blackboard eraser, the special structure can clean the blackboard eraser both when the blackboard is not in use and in use, and the surface of blackboard eraser cotton can be replaced for use, so that the problems that the general blackboard eraser is easily polluted by a large amount of dust when in use and needs to be frequently flapped to removethe dust, powders are prone to flying, consequently, the teaching environment is influenced, and cuffs are dirty are solved.

Description

technical field [0001] The invention relates to the technical field of blackboard eraser, in particular to a movable blackboard eraser and its matching dust-removing eraser box. Background technique [0002] The blackboard eraser is a stationery used to wipe the blackboard. In the process of teaching writing on the blackboard, the blackboard eraser must be used to wipe the blackboard. In this process, the surface of the blackboard eraser will be adsorbed with thick chalk dust. The chalk dust on the blackboard eraser needs to be cleaned frequently. Otherwise, it will be inconvenient to wipe the blackboard clean. When there are many writings on the blackboard, one-time wiping cannot completely wipe it clean. It is often necessary to beat off the dust on the blackboard during the process of wiping the blackboard, and then do it again. Wiping the blackboard, this process is easy to cause chalk dust to fly around, especially easy to stain the cuffs of clothes and other places. Th...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the deficiencies of the prior art, the present invention provides a movable blackboard eraser and its matching dust-removing eraser box, which solves the problem that a general eraser is easily contaminated with a large amount of dust when in use, needs to be frequently patted to remove dust, and is easy to fly powder, which affects teaching The environment, the problem of soiled clothing cuffs

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