CN201287558Y - 一种防尘黑板擦 - Google Patents

一种防尘黑板擦 Download PDF

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Publication number
CN201287558Y
CN201287558Y CNU200820172949XU CN200820172949U CN201287558Y CN 201287558 Y CN201287558 Y CN 201287558Y CN U200820172949X U CNU200820172949X U CN U200820172949XU CN 200820172949 U CN200820172949 U CN 200820172949U CN 201287558 Y CN201287558 Y CN 201287558Y
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eraser
chalk dust
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付浩然
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Abstract

本实用新型公开了一种防尘黑板擦,本实用新型包括擦板和擦毛,所述的擦板内设有电池,电池通过导线与擦毛连接,擦板的背部设有控制电池的开关。本实用新型的电池产生静电将擦毛擦下来的粉笔粉尘吸住,防止粉笔粉尘漂散到空气中,擦完后,可关闭开关,将粉笔粉尘倒出,有利于净化教室内的空气,有益于老师及学生的身心健康。

Description

一种防尘黑板擦
(一)技术领域
本实用新型涉及一种黑板擦,特别是一种通过产生静电来吸收粉笔粉尘的防尘黑板擦。
(二)背景技术
擦黑板时常有粉笔粉尘到处飞散,漂散到空气中粉笔粉尘如果被老师或学生呼入气管,会影响人体健康,轻则使人咳嗽,重则引起肺炎。
(三)发明内容
本实用新型要解决的技术问题是:提供一种防尘黑板擦,使其在擦黑板时能吸收粉笔粉尘,擦完后能将粉笔粉尘倒出。
为了解决上述技术问题,本实用新型包括擦板和擦毛,所述的擦板内设有电池,电池通过导线与擦毛连接,擦板的背部设有控制电池的开关。
本实用新型的有益效果是:本实用新型的电池产生静电将擦毛擦下来的粉笔粉尘吸住,防止粉笔粉尘漂散到空气中,擦完后,可关闭开关,将粉笔粉尘倒出,有利于净化教室内的空气,有益于老师及学生的身心健康。
(四)附图说明
图1为本实用新型的结构示意图;图2为图1的右视图;
图中:1、擦板,2、开关,3、电池,4、擦毛。
(五)具体实施方式
如图1、图2所示的一种具体实施例,它包括擦板1、开关2、电池3和擦毛4,擦毛4均匀固定在擦板1的前侧,电池3设置在擦板1内,电池3通过导线与擦毛4连接,开关2固定在擦板1的背部,开关2可控制电池3的通断,当打开开关2时,电池3使擦毛4产生静电,能将粉笔粉尘吸住,擦完后,关闭开关2,擦毛4产生的静电释放后,能将粉笔粉尘倒出,以便下次使用。

Claims (1)

1.一种防尘黑板擦,包括擦板(1)和擦毛(4),其特征在于:所述的擦板(1)内设有电池(3),电池(3)通过导线与擦毛(4)连接,擦板(1)的背部设有控制电池(3)的开关(2)。
CNU200820172949XU 2008-10-15 2008-10-15 一种防尘黑板擦 Expired - Fee Related CN201287558Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200820172949XU CN201287558Y (zh) 2008-10-15 2008-10-15 一种防尘黑板擦

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Application Number Priority Date Filing Date Title
CNU200820172949XU CN201287558Y (zh) 2008-10-15 2008-10-15 一种防尘黑板擦

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CN201287558Y true CN201287558Y (zh) 2009-08-12

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104527278A (zh) * 2014-12-15 2015-04-22 广西大学 环保黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104527278A (zh) * 2014-12-15 2015-04-22 广西大学 环保黑板擦

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Granted publication date: 20090812

Termination date: 20091116