CN202935048U - 防尘黑板擦 - Google Patents

防尘黑板擦 Download PDF

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Publication number
CN202935048U
CN202935048U CN 201220511451 CN201220511451U CN202935048U CN 202935048 U CN202935048 U CN 202935048U CN 201220511451 CN201220511451 CN 201220511451 CN 201220511451 U CN201220511451 U CN 201220511451U CN 202935048 U CN202935048 U CN 202935048U
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blackboard eraser
dust
water injection
utility
square frames
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Expired - Fee Related
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CN 201220511451
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English (en)
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周慧英
谭俊茹
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Individual
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Abstract

本实用新型公开了一种防尘黑板擦,其特征在于,在黑板擦的两端分别设有镶嵌海绵的方框,在方框上端设有注水孔,吸尘绒布覆在两方框之间。通过以上设置,在本实用新型的注水孔内注水,可使海绵吸收水分变得湿润,擦黑板时粉笔灰尘由海绵吸附,不易飘散,既干净又卫生。

Description

防尘黑板擦
技术领域
本实用新型涉及一种黑板擦,具体说是一种防尘黑板擦。
背景技术
目前,全国大多数中小学和职业学校教师授课都还是使用石墨黑板,用粉笔在黑板上写满后,需用黑板擦将字迹擦除,粉笔灰尘在教室里到处飘散,严重影响了教师和学生的身体健康。
发明内容
本实用新型的目的便是提供一种能够将粉笔灰尘吸附的防尘黑板擦。
为了实现上述目的,本实用新型在黑板擦的两端分别设有镶嵌海绵的方框,在方框上端设有注水孔,吸尘绒布覆在两方框之间。
通过以上设置,在本实用新型的注水孔内注水,可使海绵吸收水分变得湿润,擦黑板时粉笔灰尘由海绵吸附,不易飘散,既干净又卫生。
附图说明
现结合附图对本实用新型做进一步说明。
图1为本实用新型的结构示意图。
图中:1、黑板擦,2、海绵,3、方框,4、注水孔,5、吸尘绒布。
具体实施方式
如图1所示,本实用新型在黑板擦1的两端分别设有镶嵌海绵2的方框3,在方框3上端设有注水孔4,吸尘绒布5覆在两方框3之间。通过以上设置,在本实用新型的注水孔4内注水,可使海绵2吸收水分变得湿润,擦黑板时粉笔灰尘由海绵2吸附。

Claims (1)

1.防尘黑板擦,其特征在于:在黑板擦的两端分别设有镶嵌海绵的方框,在方框上端设有注水孔,吸尘绒布覆在两方框之间。
CN 201220511451 2012-09-27 2012-09-27 防尘黑板擦 Expired - Fee Related CN202935048U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220511451 CN202935048U (zh) 2012-09-27 2012-09-27 防尘黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220511451 CN202935048U (zh) 2012-09-27 2012-09-27 防尘黑板擦

Publications (1)

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CN202935048U true CN202935048U (zh) 2013-05-15

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CN 201220511451 Expired - Fee Related CN202935048U (zh) 2012-09-27 2012-09-27 防尘黑板擦

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CN (1) CN202935048U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107757202A (zh) * 2017-10-24 2018-03-06 华东师范大学 一种物理防尘黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107757202A (zh) * 2017-10-24 2018-03-06 华东师范大学 一种物理防尘黑板擦

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130515

Termination date: 20130927