CN2818174Y - 黑板擦 - Google Patents

黑板擦 Download PDF

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Publication number
CN2818174Y
CN2818174Y CN 200520091406 CN200520091406U CN2818174Y CN 2818174 Y CN2818174 Y CN 2818174Y CN 200520091406 CN200520091406 CN 200520091406 CN 200520091406 U CN200520091406 U CN 200520091406U CN 2818174 Y CN2818174 Y CN 2818174Y
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China
Prior art keywords
pulleys
utility
model
groove
blackboard
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Expired - Fee Related
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CN 200520091406
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English (en)
Inventor
杜聪聪
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Individual
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Individual
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Priority to CN 200520091406 priority Critical patent/CN2818174Y/zh
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Abstract

本实用新型涉及一种黑板擦,包括擦体,为在有孔的擦体的前端铰接有三个滑轮,三个滑轮的表面壁设有毛刷,擦体的末端内壁上设有三个凸起的凹槽,三个凸起的凹槽内设有毛刷与三个滑轮的表面壁设有的毛刷相对应。本实用新型具有结构简单、使用方便,能有效地吸入粉尘,防止粉尘多对人体造成伤害。

Description

黑板擦
技术领域  本实用新型涉及一种文具用品,尤其是一种黑板擦。
技术背景  目前,教学使用的黑板擦是一种无消尘功能的木质黑板擦,使用时粉尘由于无法消除,很容易被人吸入,对人体造成伤害。
发明内容  本实用新型的目的是克服上述所说缺点而提供一种结构简单的黑板擦。
为达到上述目的,本实用新型黑板擦,包括擦体,为在有孔的擦体的前端铰接有三个滑轮,三个滑轮的表面壁设有毛刷,擦体的末端内壁上设有三个凸起的凹槽,三个凸起的凹槽内设有毛刷与三个滑轮的表面壁设有的毛刷相对应。
本实用新型的优点是:结构简单、使用方便,能有效地吸入粉尘,防止粉尘多人体造成伤害。
附图说明  图1为本实用新型黑板擦整体结构示意图。
具体实施方式  如图1示,本实用新型黑板擦,包括擦体1,为在有孔的擦体1的前端铰接有三个滑轮2,三个滑轮2的表面壁设有毛刷,擦体1的末端内壁上设有三个凸起的凹槽,三个凸起的凹槽内设有毛刷与三个滑轮2的表面壁设有的毛刷相对应。

Claims (1)

1、一种黑板擦,包括擦体(1),其特征是:在有孔的擦体(1)的前端铰接有三个滑轮(2),三个滑轮(2)的表面壁设有毛刷,擦体(1)的末端内壁上设有三个凸起的凹槽,三个凸起的凹槽内设有毛刷与三个滑轮(2)的表面壁设有的毛刷相对应。
CN 200520091406 2005-06-22 2005-06-22 黑板擦 Expired - Fee Related CN2818174Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520091406 CN2818174Y (zh) 2005-06-22 2005-06-22 黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520091406 CN2818174Y (zh) 2005-06-22 2005-06-22 黑板擦

Publications (1)

Publication Number Publication Date
CN2818174Y true CN2818174Y (zh) 2006-09-20

Family

ID=37004227

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520091406 Expired - Fee Related CN2818174Y (zh) 2005-06-22 2005-06-22 黑板擦

Country Status (1)

Country Link
CN (1) CN2818174Y (zh)

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GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee