The invention relates to a teaching equipment and equipment, in particular to a stew and a dustproof blackboard eraser. In order to prevent the dust generated when you clean the blackboard flying everywhere, the invention provides a dustproof blackboard eraser, the dustproof blackboard eraser is composed of a miniature vacuum cleaner ordinary blackboard eraser and a cuboid rectangular structure, specific design is: in the rectangular blackboard made around the dust into the dust, the road is arranged around the edge, prevent the dust flying, forcing the chalk dust into the dust into the road, a miniature dust collector is arranged in the rectangular blackboard eraser, and the dust into the passage can be effective, chalk dust inhalation, vacuum cleaners use power for dry battery. The suitable effect of the invention is that the structure is simple, the use is convenient, and the dustproof effect is remarkable.
【技术实现步骤摘要】
防尘黑板擦
技术介绍
市场上的黑板擦在擦黑板时,会产生粉笔灰尘到处飞扬,不仅影响教室卫生,还会影响使用者的身体健康。
技术实现思路
为了防止擦黑板时产生的灰尘到处飞扬,本专利技术提供一种防尘黑板擦,该防尘黑板擦由长方形的普通黑板擦和长方体的微型吸尘器构成,具体设计是:在长方形黑板擦四周制作有粉尘入道,粉尘入道四周设有围边,阻挡粉尘乱飞,迫使粉笔粉尘进入粉尘入道,在长方形黑板擦上设有微型吸尘器,与粉尘入道相通,可以将粉笔粉尘有效吸入,吸尘器使用电源为干电池。本专利技术的有宜效果是:结构简单,使用方便,防尘效果显著。附图说明图1是防尘黑板擦的结构示意图图中:1、黑板擦2、粉尘通道3、围边4、微型吸尘器5、干电池具体实施方式防尘黑板擦由长方形的普通黑板擦和长方体的微型吸尘器构成,具体设计是:在长方形黑板擦1四周制作有粉尘入道2,粉尘入道2四周设有围边3,阻挡粉尘乱飞,迫使粉笔粉尘进入粉尘入道2,在长方形黑板擦上设有微型吸尘器4,与粉尘入道2相通,可以将粉笔粉尘有效吸入,微型吸尘器4使用电源为干电池5。
【技术保护点】
防尘黑板擦,其特征是在长方形黑板擦1四周制作有粉尘入道2,粉尘入道2四周设有围边3,阻挡粉尘乱飞,迫使粉笔粉尘进入粉尘入道2,在长方形黑板擦上设有微型吸尘器4,与粉尘入道2相通,可以将粉笔粉尘有效吸入,微型吸尘器4使用电源为干电池5。
【技术特征摘要】
1.防尘黑板擦,其特征是在长方形黑板擦1四周制作有粉尘入道2,粉尘入道2四周设有围边3,阻挡粉尘乱飞,迫使粉笔粉尘进入...
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