CN2704485Y - 防尘黑板擦 - Google Patents

防尘黑板擦 Download PDF

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Publication number
CN2704485Y
CN2704485Y CN 200420032343 CN200420032343U CN2704485Y CN 2704485 Y CN2704485 Y CN 2704485Y CN 200420032343 CN200420032343 CN 200420032343 CN 200420032343 U CN200420032343 U CN 200420032343U CN 2704485 Y CN2704485 Y CN 2704485Y
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blackboard eraser
dust
utility
model
dustproof
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Expired - Fee Related
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CN 200420032343
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English (en)
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任俊琦
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Individual
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Abstract

本实用新型涉及一种防尘黑板擦,黑板擦毛毡四周设有防尘条,毛毡与防尘条之间设有沟槽。本实用新型具有结构简单,使用方便的特点,可以有效的防止粉尘飞扬。

Description

防尘黑板擦
技术领域  本实用新型涉及一种教学用品,尤其是一种防尘黑板擦。
技术背景  目前,在教学课堂上使用的黑板擦多为无防尘结构,往往造成粉笔灰尘到处飞溅,影响老师和同学们的身体健康。
发明内容  本实用新型的目的是提供一种具有防止粉笔灰尘飞溅功能的防尘黑板擦。
为达到上述目的,本实用新型防尘黑板擦,黑板擦毛毡四周设有防尘条,毛毡与防尘条之间设有沟槽。
采用上述结构后,在擦拭黑板的过程中,产生的粉笔灰尘被毛毡周围的防尘条挡住,落入到沟槽中,有效的防止扬尘,粉尘积聚后可直接倒掉。
本实用新型的优点是:结构简单,使用方便,可以有效的防止粉尘飞扬。
附图说明  图1为本实用新型防尘黑板擦结构示意图。
具体实施方式  如图1示,本实用新型防尘黑板擦,黑板擦毛毡1四周设有防尘条2,毛毡与防尘条之间设有沟槽3。使用上述结构后,在擦拭黑板的过程中,产生的粉笔灰尘被毛毡周围的防尘条挡住,落入到沟槽中,有效的防止扬尘。

Claims (1)

1、一种防尘黑板擦,其特征是:黑板擦毛毡四周设有防尘条,毛毡与防条条之间设有沟槽。
CN 200420032343 2004-06-29 2004-06-29 防尘黑板擦 Expired - Fee Related CN2704485Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420032343 CN2704485Y (zh) 2004-06-29 2004-06-29 防尘黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420032343 CN2704485Y (zh) 2004-06-29 2004-06-29 防尘黑板擦

Publications (1)

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CN2704485Y true CN2704485Y (zh) 2005-06-15

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CN 200420032343 Expired - Fee Related CN2704485Y (zh) 2004-06-29 2004-06-29 防尘黑板擦

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CN (1) CN2704485Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108973460A (zh) * 2018-07-23 2018-12-11 唐佳怡 高度可调节型防尘黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108973460A (zh) * 2018-07-23 2018-12-11 唐佳怡 高度可调节型防尘黑板擦

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