The utility model relates to a blackboard eraser, in particular to an air suction type blackboard eraser which comprises a dust storage box, a rolling brush, a casing and a fan, the fan is fixed on the upper shell, beneath the dust storage box is arranged on the four corners, which is characterized in that the shell is provided with a roller, roller gear and lower roll brush two side by side connected by the gear, a filter is arranged between the shell and the fan. The utility model has the advantages of simple structure, convenient operation, no dust flying dust, high efficiency, low cost, can be widely used for blackboard eraser.
【技术实现步骤摘要】
【技术保护点】
风吸式黑板擦,包括有粉尘贮存箱(7)、滚刷(4),外壳(5)和风扇(9),风扇固定在外壳的后上方,粉尘贮存箱位于外壳的下方,其特征在于外壳四角设置有滚轮(2),两并排的滚刷通过其上连接的齿轮(1)与滚轮下端的齿轮(3)相啮合,外壳与风扇之间还设置有过滤网(8)。
【技术特征摘要】
【专利技术属性】
技术研发人员:黄定明,李家银,
申请(专利权)人:武汉电力职业技术学院,
类型:实用新型
国别省市:83[中国|武汉]
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