CN202357735U - 一种带伸缩杆的黑板擦 - Google Patents

一种带伸缩杆的黑板擦 Download PDF

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Publication number
CN202357735U
CN202357735U CN2011204990572U CN201120499057U CN202357735U CN 202357735 U CN202357735 U CN 202357735U CN 2011204990572 U CN2011204990572 U CN 2011204990572U CN 201120499057 U CN201120499057 U CN 201120499057U CN 202357735 U CN202357735 U CN 202357735U
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blackboard eraser
extension rod
blackboard
telescopic rod
control axle
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Expired - Fee Related
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CN2011204990572U
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English (en)
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吴怀森
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Individual
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Abstract

本实用新型公开了一种黑板擦。特别公开了一种带伸缩杆的黑板擦。该带伸缩杆的黑板擦,其特征是:在黑板擦下方装有转控轴,转控轴下方连接装有可伸缩杆,可伸缩杆上装有固定扣。当擦拭不到高处的板书笔迹,拉伸可伸缩杆,并用固定扣固定,用转控轴调节黑板擦倾斜角度,将黑板擦置于高处板书笔迹处擦拭即可。

Description

一种带伸缩杆的黑板擦
技术领域
本实用新型涉及一种带伸缩杆的黑板擦。
背景技术
学生们在擦黑板时,低年级的学生身高不足,黑板高处的板书需要踩着凳子才能擦到,很吃力,给学生们擦黑板带来很多的困扰。
发明内容
本实用新型的目的就是为了解决擦黑板费力的问题,使用方便,不用再借助工具攀爬擦拭,帮助学生们轻松省力擦拭高处的板书。
为实现上述目的,本实用新型采用如下技术方案:
一种带伸缩杆的黑板擦,它包括黑板擦,在黑板擦下方装有转控轴,可伸缩杆,固定扣。
本实用新型包括黑板擦,在黑板擦下方装有转控轴,转控轴下方连接装有可伸缩杆,可伸缩杆上装有固定扣。当擦拭不到高处的板书笔迹,拉伸可伸缩杆,并用固定扣固定,用转控轴调节黑板擦倾斜角度,将黑板擦置于高处板书笔迹处擦拭即可。
本实用新型的有益效果是:使用方便,不用再借助工具攀爬擦拭,帮助学生们轻松省力擦拭高处的板书。
附图说明
图1为本实用新型的结构示意图。
其中,1. 黑板擦,2. 转控轴,3. 可伸缩杆,4.固定扣。
具体实施方式
图1中,它包括黑板擦1,在黑板擦1下方装有转控轴2,可伸缩杆3,固定扣4。

Claims (1)

1.一种带伸缩杆的黑板擦,其特征是:在黑板擦下方装有转控轴,转控轴下方连接装有可伸缩杆,可伸缩杆上装有固定扣。
CN2011204990572U 2011-12-05 2011-12-05 一种带伸缩杆的黑板擦 Expired - Fee Related CN202357735U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204990572U CN202357735U (zh) 2011-12-05 2011-12-05 一种带伸缩杆的黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204990572U CN202357735U (zh) 2011-12-05 2011-12-05 一种带伸缩杆的黑板擦

Publications (1)

Publication Number Publication Date
CN202357735U true CN202357735U (zh) 2012-08-01

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CN2011204990572U Expired - Fee Related CN202357735U (zh) 2011-12-05 2011-12-05 一种带伸缩杆的黑板擦

Country Status (1)

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CN (1) CN202357735U (zh)

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Granted publication date: 20120801

Termination date: 20121205