CN202448607U - 一种改进型黑板擦 - Google Patents

一种改进型黑板擦 Download PDF

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Publication number
CN202448607U
CN202448607U CN2012200024642U CN201220002464U CN202448607U CN 202448607 U CN202448607 U CN 202448607U CN 2012200024642 U CN2012200024642 U CN 2012200024642U CN 201220002464 U CN201220002464 U CN 201220002464U CN 202448607 U CN202448607 U CN 202448607U
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China
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blackboard eraser
magnet
supporting plate
hairbrush
dust
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Expired - Fee Related
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CN2012200024642U
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English (en)
Inventor
张楠
张奥
任晓婷
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Individual
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Abstract

一种改进型黑板擦,它涉及教学用具领域,具体涉及一种改进型黑板擦。它由托板1、挡灰板2、磁铁3和毛刷4组成,其结构要点是托板1下面为毛刷4,挡灰板2通过托板1上的卡槽环围在毛刷4四周,磁铁3设置在托板1内。它结构简单,健康卫生,易于使用和推广。

Description

一种改进型黑板擦
技术领域:
本实用新型涉及教学用具领域,具体涉及一种改进型黑板擦。
背景技术:
现有的黑板擦在使用过程中,容易造成粉尘的飞扬,而这些粉尘进入呼吸系统后会严重损害人们的身体健康,另外黑板擦放在讲桌上也很不卫生。
发明内容:
本实用新型的目的是提供一种改进型黑板擦,它可以较大程度减少粉尘的飞扬,而且可以吸附在黑板的金属边缘上。
为了解决背景技术所存在的问题,本实用新型采用以下技术方案:该改进型黑板擦由托板、挡灰板、磁铁和毛刷组成,其结构要点是托板下面为毛刷,挡灰板通过托板上的卡槽环围在毛刷四周,磁铁设置在板托内。
采用上述结构后,毛刷四周的挡灰板可以阻止灰尘的飞扬,使用完后可通过磁铁将黑板擦吸附在黑板的金属边缘上,避免了黑板擦的灰尘掉到桌面上。
本实用新型的优点是:结构简单,健康卫生,易于使用和推广。
附图说明:
图1是本实用新型的结构示意图。
具体实施方式:
参看图1,本具体实施方式是采用以下技术方案:该改进型黑板擦由托板1、挡灰板2、磁铁3和毛刷4组成,其结构要点是托板1下面为毛刷4,挡灰板2通过托板1上的卡槽环围在毛刷4四周,磁铁3设置在托板1内。
采用上述结构后,毛刷四周的挡灰板可以阻止灰尘的飞扬,使用完后可通过磁铁将黑板擦吸附在黑板的金属边缘上,避免了黑板擦的灰尘掉到桌面上。
本具体实施方式结构简单,健康卫生,易于使用和推广。

Claims (1)

1.一种改进型黑板擦,其特征在于它由托板1、挡灰板2、磁铁3和毛刷4组成,其结构要点是托板1下面为毛刷4,挡灰板2通过托板1上的卡槽环围在毛刷4四周,磁铁3设置在托板1内。
CN2012200024642U 2012-01-05 2012-01-05 一种改进型黑板擦 Expired - Fee Related CN202448607U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200024642U CN202448607U (zh) 2012-01-05 2012-01-05 一种改进型黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200024642U CN202448607U (zh) 2012-01-05 2012-01-05 一种改进型黑板擦

Publications (1)

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CN202448607U true CN202448607U (zh) 2012-09-26

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CN2012200024642U Expired - Fee Related CN202448607U (zh) 2012-01-05 2012-01-05 一种改进型黑板擦

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CN (1) CN202448607U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192637A (zh) * 2013-03-28 2013-07-10 施玉芳 一种黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103192637A (zh) * 2013-03-28 2013-07-10 施玉芳 一种黑板擦

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C14 Grant of patent or utility model
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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120926

Termination date: 20130105