CN202944103U - 一种伸缩黑板擦 - Google Patents

一种伸缩黑板擦 Download PDF

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CN202944103U
CN202944103U CN 201220627812 CN201220627812U CN202944103U CN 202944103 U CN202944103 U CN 202944103U CN 201220627812 CN201220627812 CN 201220627812 CN 201220627812 U CN201220627812 U CN 201220627812U CN 202944103 U CN202944103 U CN 202944103U
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blackboard eraser
extension rod
stretchable
chute
sliding groove
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李雪
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李雪
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Abstract

一种伸缩黑板擦,属于教学工具,它包括黑板擦本体,所述的黑板擦本体为在平板状手柄的一侧设有刷毛,所述手柄的另一侧设有滑槽,滑槽内安装有锁止块和弹簧;一延长杆与滑槽形成可拆卸连接,所述延长杆的顶部设计有锁止扣,锁止扣安装在滑槽内,延长杆为伸缩杆。本实用新型可以将延长杆与黑板擦本体连接,方便同学们将顶部的黑板擦干净;延长杆可拆除,使用灵活方便。

Description

一种伸缩黑板擦
技术领域
本实用新型涉及一种老师同学们平时擦黑板用的黑板擦,具体地说是一种伸缩黑板擦。 
背景技术
下课之后将黑板擦干净,这是每天的值日生必须要做的工作。很多同学由于升高矮小,擦黑板的时候够不到黑板的顶端,需要跳着擦或者要搬凳子踩着才能擦到,非常不方便。 
实用新型内容
本实用新型的目的在于提供一种伸缩黑板擦,该伸缩黑板擦使用灵活方便,便于擦黑板的高处。 
本实用新型解决其技术问题所采取的技术方案是:一种伸缩黑板擦,包括黑板擦本体,所述的黑板擦本体为在平板状手柄的一侧设有刷毛,所述手柄的另一侧设有滑槽,滑槽内安装有锁止块和弹簧;一延长杆与滑槽形成可拆卸连接,所述延长杆的顶部设计有锁止扣,锁止扣安装在滑槽内,延长杆为伸缩杆。 
本实用新型的有益效果是:可以将延长杆与黑板擦本体连接,方便同学们将顶部的黑板擦干净;延长杆可拆除,使用灵活方便。 
附图说明
图1为本实用新型的结构示意图。 
图中:1延长杆,2手柄,3刷毛,4滑槽,5锁止块,6弹簧,7锁止扣。 
具体实施方式
如图1所示。一种伸缩黑板擦,包括黑板擦本体,所述的黑板擦本体为在平板状手柄2的一侧设有刷毛3,所述手柄2的另一侧设有滑槽4,滑槽4内安装有锁止块5和弹簧6;一延长杆1与滑槽4形成可拆卸连接,所述延长杆1的顶部设计有锁止扣7,锁止扣7安装在滑槽4内,延长杆1为伸缩杆。 
当需要擦高处的黑板时,只需用手向上搬动锁止块5,将延长杆1顶部的锁止扣7插入滑槽4内,再松开手即可。该伸缩黑板擦可以将延长杆1与黑板擦本体连接,方便同学们将顶部的黑板擦干净,而且拆卸方便,实用性强。 

Claims (1)

1.一种伸缩黑板擦,包括黑板擦本体,所述的黑板擦本体为在平板状手柄的一侧设有刷毛,其特征是,所述手柄的另一侧设有滑槽,滑槽内安装有锁止块和弹簧;一延长杆与滑槽形成可拆卸连接,所述延长杆的顶部设计有锁止扣,锁止扣安装在滑槽内,延长杆为伸缩杆。 
CN 201220627812 2012-11-23 2012-11-23 一种伸缩黑板擦 Expired - Fee Related CN202944103U (zh)

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CN 201220627812 CN202944103U (zh) 2012-11-23 2012-11-23 一种伸缩黑板擦

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CN 201220627812 CN202944103U (zh) 2012-11-23 2012-11-23 一种伸缩黑板擦

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CN202944103U true CN202944103U (zh) 2013-05-22

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106739706A (zh) * 2016-12-19 2017-05-31 盐城工学院 带辅助操作杆黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106739706A (zh) * 2016-12-19 2017-05-31 盐城工学院 带辅助操作杆黑板擦

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Termination date: 20131123