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CN202192916U - 一种黑板擦 - Google Patents

一种黑板擦 Download PDF

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Publication number
CN202192916U
CN202192916U CN2011202860555U CN201120286055U CN202192916U CN 202192916 U CN202192916 U CN 202192916U CN 2011202860555 U CN2011202860555 U CN 2011202860555U CN 201120286055 U CN201120286055 U CN 201120286055U CN 202192916 U CN202192916 U CN 202192916U
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CN
China
Prior art keywords
clamshell
blackboard eraser
felt
blackboard
utility
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2011202860555U
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English (en)
Inventor
陈福明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Institute of Trade and Commerce
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Suzhou Institute of Trade and Commerce
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
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Priority to CN2011202860555U priority Critical patent/CN202192916U/zh
Application granted granted Critical
Publication of CN202192916U publication Critical patent/CN202192916U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

本实用新型公开了一种黑板擦,包括一毛毡,还包括一壳罩,所述毛毡设置在所述壳罩腔体内,并与所述壳罩内壁之间留有灰尘收集槽,所述壳罩两侧设置成波浪形。在使用黑板擦擦黑板时,粉笔尘便进入到收集槽中,防止粉笔尘到处飘散,被吸入人体内影响健康。

Description

一种黑板擦
技术领域
本实用新型涉及一种教学用品,具体涉及一种黑板擦。
背景技术
现有已知的黑板擦仅有擦除功能,在使用过程中容易使粉笔尘到处飘散,无法收集,被吸入教师及学生体内影响健康。
实用新型内容
本实用新型的目的是提供一种带有灰尘收集槽的黑板擦。
为实现上述技术目的,达到上述技术效果,本实用新型通过以下技术方案实现:
一种黑板擦,包括一毛毡,还包括一壳罩,所述毛毡设置在所述壳罩腔体内,并与所述壳罩内壁之间留有灰尘收集槽,所述壳罩两侧设置成波浪形。    石英光纤芯棒母材主要采用轴向气相沉积法即棒的
本实用新型的有益效果是:
通过设置两个灰尘收集槽,可以收集擦黑板时所产生的粉笔灰,从而避免粉笔灰被吸入教师及学生体内影响健康。
附图说明
图1黑板擦底面图;
图2黑板擦剖视图。
图中标号说明:1、壳罩,2、毛毡,3、灰尘收集槽。
具体实施方式
下面将参考附图并结合实施例,来详细说明本实用新型。
参照图1、图2所示,一种黑板擦,包括一毛毡2,还包括一壳罩1,所述毛毡2设置在所述壳罩1腔体内,并与所述壳罩1内壁之间留有灰尘收集槽3,所述壳罩1两侧设置成波浪形。
使用过程中擦除笔迹的同时,自动将产生的粉笔灰收集入灰尘收集槽,避免飘入空气中被吸入教师及学生体内影响健康。

Claims (1)

1.一种黑板擦,包括一毛毡(2),其特征在于:还包括一壳罩(1),所述毛毡(2)设置在所述壳罩(1)腔体内,并与所述壳罩(1)内壁之间留有灰尘收集槽(3),所述壳罩(1)两侧设置成波浪形。
CN2011202860555U 2011-08-09 2011-08-09 一种黑板擦 Expired - Fee Related CN202192916U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011202860555U CN202192916U (zh) 2011-08-09 2011-08-09 一种黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011202860555U CN202192916U (zh) 2011-08-09 2011-08-09 一种黑板擦

Publications (1)

Publication Number Publication Date
CN202192916U true CN202192916U (zh) 2012-04-18

Family

ID=45947845

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011202860555U Expired - Fee Related CN202192916U (zh) 2011-08-09 2011-08-09 一种黑板擦

Country Status (1)

Country Link
CN (1) CN202192916U (zh)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120418

Termination date: 20130809