CN103847376A - 磁性易清理灰尘黑板擦 - Google Patents

磁性易清理灰尘黑板擦 Download PDF

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Publication number
CN103847376A
CN103847376A CN201210522964.3A CN201210522964A CN103847376A CN 103847376 A CN103847376 A CN 103847376A CN 201210522964 A CN201210522964 A CN 201210522964A CN 103847376 A CN103847376 A CN 103847376A
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blackboard eraser
blackboard
dust
hair brush
air bag
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刘静雯
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Chongqing Beibei District Emerald Lake Elementary School
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Chongqing Beibei District Emerald Lake Elementary School
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Priority to CN201210522964.3A priority Critical patent/CN103847376A/zh
Publication of CN103847376A publication Critical patent/CN103847376A/zh
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Abstract

本发明能够完成提供一种具有磁性能够吸在黑板上并且容易清除灰尘的黑板擦,该新型黑板檫将黑板檫板面掏空,在里面安装磁铁,使其在不使用黑板檫时可以吸引在黑板上,防止其污染课桌。并且在掏空的板面内设置一鼓风气囊,在鼓风气囊下侧,即贴近毛刷的一侧密集的设置通风喷口,当鼓风时即可快速吹走毛刷上的灰尘。在毛刷外侧,依照毛刷的形状设置一外套,当鼓风时就可以将灰尘收集在外套里,并且还可以防止灰尘的流出。这样就非常容易清除黑板檫的灰尘,并且在不使用时吸在黑板上,避免污染课桌。

Description

磁性易清理灰尘黑板擦
技术领域
本发明涉及一种具有磁性能够吸在黑板上并且容易清除灰尘的黑板擦。
背景技术
在日常教学中,黑板擦使用完之后放在讲桌上容易污染课桌,并且擦完之后毛刷上大量的灰尘不易清理,给日常教学带来诸多不便。
发明内容
本发明所要解决的技术问题是在于提供一种具有磁性能够吸在黑板上并且容易清除灰尘的黑板擦。
本发明所要采用的技术方案是:在普通黑板檫的毛刷背侧安装软性磁铁,并且将黑板檫内侧做成空心的形状,在内部安装一种能够鼓风的气囊,鼓风气囊上设置密集的通风喷口,喷口朝着毛刷的方向,在毛刷外侧做一个适当形状的外套,可以将毛刷部分完整的套住。
本发明的有益效果是:在不使用黑板檫时利用磁铁的吸引作用,将黑板擦贴在黑板上放置,避免污染课桌。在黑板檫毛刷外侧套一外套可以阻止灰尘的释放,并且在清理时,直接对黑板檫内部的气囊鼓风,即可容易的清理毛刷里的灰尘,而且灰尘可以直接鼓进外套内,结构简单,方便实用。
附图说明
下面结合附图和一个实例对本发明作进一步的说明。
图1为一种具有磁性能够吸在黑板上并且容易清除灰尘的黑板擦的结构示意图。
在图1中,1为黑板擦板面,2为气囊,3为毛刷,4为外套,5为磁铁,6为通风喷口。
具体实施方式
    如图1所示,将黑板擦板面(1)内弄空,在空心的黑板擦板面内安装一气囊(2)和磁铁(5),其中气囊连接着布满板面的小通风喷口(6),在毛刷(3)外侧制作一外套(4)。

Claims (1)

1.一种具有磁性能够吸在黑板上并且容易清除灰尘的黑板擦,其特征在于:将普通黑板檫的板面掏空,在里面安装磁铁,并且设置一气囊,在气囊朝向毛刷的方向设置密集的通风喷口,在毛刷外侧,依照毛刷的形状,设计一个外套,使其恰好能够套在毛刷上。
CN201210522964.3A 2012-12-08 2012-12-08 磁性易清理灰尘黑板擦 Pending CN103847376A (zh)

Priority Applications (1)

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CN201210522964.3A CN103847376A (zh) 2012-12-08 2012-12-08 磁性易清理灰尘黑板擦

Applications Claiming Priority (1)

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CN201210522964.3A CN103847376A (zh) 2012-12-08 2012-12-08 磁性易清理灰尘黑板擦

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CN103847376A true CN103847376A (zh) 2014-06-11

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CN201210522964.3A Pending CN103847376A (zh) 2012-12-08 2012-12-08 磁性易清理灰尘黑板擦

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106585230A (zh) * 2016-12-16 2017-04-26 上海市格致初级中学 一种三用黑板擦
CN107214114A (zh) * 2017-06-29 2017-09-29 嘉兴学院 一种黑板擦的清洁装置

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106585230A (zh) * 2016-12-16 2017-04-26 上海市格致初级中学 一种三用黑板擦
CN107214114A (zh) * 2017-06-29 2017-09-29 嘉兴学院 一种黑板擦的清洁装置

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Application publication date: 20140611