CN202944103U - 一种伸缩黑板擦 - Google Patents

一种伸缩黑板擦 Download PDF

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Publication number
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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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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CN 201220627812 Expired - Fee Related CN202944103U (zh) 2012-11-23 2012-11-23 一种伸缩黑板擦

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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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Granted publication date: 20130522

Termination date: 20131123