CN203198540U - 无尘黑板擦 - Google Patents

无尘黑板擦 Download PDF

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Publication number
CN203198540U
CN203198540U CN 201320185150 CN201320185150U CN203198540U CN 203198540 U CN203198540 U CN 203198540U CN 201320185150 CN201320185150 CN 201320185150 CN 201320185150 U CN201320185150 U CN 201320185150U CN 203198540 U CN203198540 U CN 203198540U
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dust
eraser
utility
model
free
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CN 201320185150
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English (en)
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杨义玲
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Abstract

本实用新型提供一种无尘黑板擦,包括基板和固定基板底面的擦体与防尘罩,防尘罩环绕擦体设置,擦体内设有三条肋道,本实用新型提供的无尘黑板擦,由于设置了环绕擦体的防尘罩,可防止使用过程中粉笔灰四处飞扬的效果;同时本实用新型提供的无尘黑板擦设有三条肋道,加强了摩擦效果,经过多次试验,三条肋道的设置,可以在达到良好摩擦效果的同时保证擦体具有良好的强度。

Description

无尘黑板擦
技术领域
本实用新型涉及教学用品领域,具体涉及一种黑板擦。
背景技术
目前教师教学使用的黑板擦,在使用中造成粉笔灰飞扬,并且不擦黑板的效果并不好。
实用新型内容
本实用新型的目的提供一种无尘黑板擦,解决上述现有技术问题中一个或者多个。
本实用新型提供一种无尘黑板擦,包括基板和固定基板底面的擦体与防尘罩,防尘罩环绕擦体设置,擦体内设有三条肋道。
本实用新型提供的无尘黑板擦,由于设置了环绕擦体的防尘罩,可防止使用过程中粉笔灰四处飞扬的效果;同时本实用新型提供的无尘黑板擦设有三条肋道,加强了摩擦效果,经过多次试验,三条肋道的设置,可以在达到良好摩擦效果的同时保证擦体具有良好的强度。
附图说明
图1为本实用新型一实施方式的无尘黑板擦的结构示意图;
图2为图1所示无尘黑板擦的A-A剖面图。
具体实施方式
下面结合附图对本实用新型提供的无尘黑板擦作进一步地详细描述。
如图1~2所示,本实用新型提供一种无尘黑板擦,包括基板1和固定基板1底面的擦体2与防尘罩3,防尘罩3环绕擦体2设置,擦体2内设有三条肋道4。
本实用新型提供的无尘黑板擦,由于设置了环绕擦体的防尘罩3,可防止使用过程中粉笔灰四处飞扬的效果;同时本实用新型提供的无尘黑板擦设有三条肋道4,加强了摩擦效果,经过多次试验,三条肋道4的设置,可以在达到良好摩擦效果的同时保证擦体2具有良好的强度。
以上所述仅是本实用新型的优选方式,应当指出,对于本领域普通技术人员来说,在不脱离本实用新型创造构思的前提下,还可以做出若干相似的变形和改进,这些也应视为本实用新型的保护范围之内。

Claims (1)

1.无尘黑板擦,其特征在于,包括基板(1)和固定所述基板(1)底面的擦体(2)与防尘罩(3),所述防尘罩(3)环绕所述擦体(2)设置,所述擦体(2)内设有三条肋道(4)。
CN 201320185150 2013-04-12 2013-04-12 无尘黑板擦 Expired - Fee Related CN203198540U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320185150 CN203198540U (zh) 2013-04-12 2013-04-12 无尘黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320185150 CN203198540U (zh) 2013-04-12 2013-04-12 无尘黑板擦

Publications (1)

Publication Number Publication Date
CN203198540U true CN203198540U (zh) 2013-09-18

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CN 201320185150 Expired - Fee Related CN203198540U (zh) 2013-04-12 2013-04-12 无尘黑板擦

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CN (1) CN203198540U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103204022A (zh) * 2013-04-12 2013-07-17 杨义玲 无尘黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103204022A (zh) * 2013-04-12 2013-07-17 杨义玲 无尘黑板擦

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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: 20130918

Termination date: 20140412