CN201633344U - 节能清洁粉笔套 - Google Patents

节能清洁粉笔套 Download PDF

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Publication number
CN201633344U
CN201633344U CN201020001475XU CN201020001475U CN201633344U CN 201633344 U CN201633344 U CN 201633344U CN 201020001475X U CN201020001475X U CN 201020001475XU CN 201020001475 U CN201020001475 U CN 201020001475U CN 201633344 U CN201633344 U CN 201633344U
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pen cap
chalk
sleeve
energy
pen
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Expired - Fee Related
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CN201020001475XU
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杨焱
卞凤
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Abstract

一种能够节约粉笔、无污染的节能清洁粉笔套,由内笔套、外笔套、橡胶笔头环,粉笔构成,内笔套外壁后段有1cm的螺纹,外笔套内壁刻满与之相对应的螺纹,笔套内可装有两只粉笔。当内外笔套对应旋转时,可以将粉笔慢慢推出,并由橡胶笔头环套住粉笔,便于书写而不脱落,进行黑板板书时对手无污染,节约粉笔。

Description

节能清洁粉笔套
所属技术领域
本实用新型涉及一种教师用粉笔套,尤其是能节约粉笔,方便黑板板书,无污染。
背景技术
目前,公知的教师板书用粉笔,直接用手拿,易污染,且粉笔容易断,造成浪费。
发明内容
为了克服教师用粉笔污染,浪费的问题,本实用新型提供一种节能清洁粉笔套,该节能清洁粉笔套不仅能防止污染,而且能节约粉笔。
本实用新型解决其技术问题所采用的技术方案是:由内笔套、外笔套、橡胶笔头环、构成,内笔套外壁后段有1cm的螺纹,外笔套内层壁刻满与之相对应的螺纹,笔套内可装有两只粉笔。当内、外笔套对应旋转时,可以将粉笔慢慢推出,并由橡胶笔头环套住粉笔,便于书写而不脱落。
本实用新型的有益效果是,用内装粉笔的节能清洁粉笔套在进行黑板板书时,对手无污染,节约粉笔。结构简单。
附图说明
下面结合附图和实施例对本实用新型进一步说明。
图1是本实用新型的透视图。
图中1.外笔套,2.内笔套,3.外笔套螺纹,4.内笔套螺纹,5.粉笔,6.橡胶笔头环。
具体实施方式
在图1中,本实用新型由外笔套(1)、内笔套(2)、橡胶笔头环(6)组成,塑料制成的管型外笔套(1)的内壁刻满有螺纹(3),塑料制成的管型内笔套(2)的后段刻有1cm长的螺纹(4),粉笔(5)放置与内笔套(2)内,橡胶笔头环(6)套在内笔套(2)的顶端,当内笔套(2)、外笔套(1)对应旋转时,可以将粉笔(5)慢慢推出,并由橡胶笔头环(6)套住粉笔而不脱落。

Claims (2)

1.一种节能清洁粉笔套,由外笔套、内笔套、粉笔、橡胶笔头环构成,其特征是:内笔套外壁后段有1cm的螺纹,外笔套内壁刻满与内笔套外壁相对应的螺纹,笔套内可装有两只粉笔。
2.根据权利要求1所述的节能清洁粉笔套,其特征是:橡胶笔头环套在内笔套的顶端,由有弹性的橡胶制成。
CN201020001475XU 2010-01-06 2010-01-06 节能清洁粉笔套 Expired - Fee Related CN201633344U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020001475XU CN201633344U (zh) 2010-01-06 2010-01-06 节能清洁粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020001475XU CN201633344U (zh) 2010-01-06 2010-01-06 节能清洁粉笔套

Publications (1)

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CN201633344U true CN201633344U (zh) 2010-11-17

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CN201020001475XU Expired - Fee Related CN201633344U (zh) 2010-01-06 2010-01-06 节能清洁粉笔套

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568642A (zh) * 2013-11-06 2014-02-12 上海电力学院 自动粉笔套
CN108116102A (zh) * 2017-12-22 2018-06-05 温州习得教育科技有限公司 一种便于充分利用粉笔的粉笔套

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568642A (zh) * 2013-11-06 2014-02-12 上海电力学院 自动粉笔套
CN103568642B (zh) * 2013-11-06 2015-08-12 上海电力学院 自动粉笔套
CN108116102A (zh) * 2017-12-22 2018-06-05 温州习得教育科技有限公司 一种便于充分利用粉笔的粉笔套

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C17 Cessation of patent right
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Granted publication date: 20101117

Termination date: 20110106