CN201913979U - 一种无尘黑板擦 - Google Patents

一种无尘黑板擦 Download PDF

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Publication number
CN201913979U
CN201913979U CN2011200033774U CN201120003377U CN201913979U CN 201913979 U CN201913979 U CN 201913979U CN 2011200033774 U CN2011200033774 U CN 2011200033774U CN 201120003377 U CN201120003377 U CN 201120003377U CN 201913979 U CN201913979 U CN 201913979U
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handle
dust
erasing head
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董璐
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Abstract

一种无尘黑板擦,属于教学用具,主要解决普通黑板擦在使用时粉尘飞扬的问题。它包括擦头和手柄,所述的手柄为一空心盒体,所述手柄的侧壁上设有注水口,注水口处设有盖子,手柄的一个侧面上均匀分布有通孔,设有通孔的侧面外表面设有擦头,所述擦头由吸水性好的材料制作,擦头与手柄之间设有过滤层。使用前,在从注水口向手柄内注入水并盖好盖子,手柄内的水会透过过滤层缓慢的渗透到擦头内;使用时,湿润的擦头能够有效防止粉尘飞扬,同时设有过滤层避免了擦头水分过多造成不便和浪费。本实用新型有效减少了飞扬的粉笔灰,有利于师生的身体健康。

Description

一种无尘黑板擦
技术领域
本实用新型涉及一种教学用具,具体地说是一种无尘黑板擦。
背景技术
上课时老师在黑板上写满字后要用黑板擦擦除,下课后值日生要擦黑板,擦黑板时粉笔沫漫天飞舞,久而久之,会引起呼吸道炎、哮喘等呼吸疾病,给师生的健康带来很大的危害。
实用新型内容
本实用新型的目的在于提供一种无尘黑板擦,该实无尘黑板擦能够有效的控制擦黑板时大量粉笔末飞扬的现象。
本实用新型解决其技术问题所采取的技术方案是:一种无尘黑板擦,包括擦头和手柄,其特征是,所述的手柄为一空心盒体,所述手柄的侧壁上设有注水口,注水口处设有盖子,手柄的一个侧面上均匀分布有通孔,设有通孔的侧面外表面设有擦头,所述擦头由吸水性好的材料制作,擦头与手柄之间设有过滤层。
本实用新型的有益效果是:手柄为空心盒体且可以注水,手柄内的水会透过过滤层缓慢的渗透到擦头内,湿润的擦头能够有效防止粉尘飞扬,同时设有过滤层避免了擦头水分过多造成不便和浪费,使用过程有效减少了飞扬的粉笔灰,有利于师生的身体健康。
附图说明
图1为本实用新型的结构示意图。
图中:1手柄,2过滤层,3擦头,4通孔,5注水口,6盖子。
具体实施方式
如图1所示。一种无尘黑板擦,包括擦头3和手柄1,所述的手柄1为一空心盒体,所述手柄1的侧壁上设有注水口5,注水口5处设有盖子6,手柄1的一个侧面上均匀分布有通孔4,设有通孔4的侧面外表面设有擦头3,所述擦头3由吸水性好的材料制作,擦头3与手柄1之间设有过滤层2。
使用前,在从注水口5向手柄1内注入水并盖好盖子6,手柄1内的水会透过过滤层2缓慢的渗透到擦头3内;使用时,湿润的擦头3能够有效防止粉尘飞扬,同时设有过滤层2避免了擦头3水分过多造成不便和浪费。本实用新型有效减少了飞扬的粉笔灰,有利于师生的身体健康。

Claims (1)

1.一种无尘黑板擦,包括擦头和手柄,其特征是,所述的手柄为一空心盒体,所述手柄的侧壁上设有注水口,注水口处设有盖子,手柄的一个侧面上均匀分布有通孔,设有通孔的侧面外表面设有擦头,所述擦头由吸水性好的材料制作,擦头与手柄之间设有过滤层。
CN2011200033774U 2011-01-07 2011-01-07 一种无尘黑板擦 Expired - Fee Related CN201913979U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200033774U CN201913979U (zh) 2011-01-07 2011-01-07 一种无尘黑板擦

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Application Number Priority Date Filing Date Title
CN2011200033774U CN201913979U (zh) 2011-01-07 2011-01-07 一种无尘黑板擦

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CN201913979U true CN201913979U (zh) 2011-08-03

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437837A (zh) * 2015-12-15 2016-03-30 费春霞 一种无尘去污的黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105437837A (zh) * 2015-12-15 2016-03-30 费春霞 一种无尘去污的黑板擦

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Granted publication date: 20110803

Termination date: 20120107