CN202463266U - 一种粉笔套 - Google Patents

一种粉笔套 Download PDF

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Publication number
CN202463266U
CN202463266U CN2012200092048U CN201220009204U CN202463266U CN 202463266 U CN202463266 U CN 202463266U CN 2012200092048 U CN2012200092048 U CN 2012200092048U CN 201220009204 U CN201220009204 U CN 201220009204U CN 202463266 U CN202463266 U CN 202463266U
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CN
China
Prior art keywords
sleeve
chalk
utility
model
chalk sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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CN2012200092048U
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English (en)
Inventor
吴瑞芳
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Individual
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Individual
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Publication date
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Priority to CN2012200092048U priority Critical patent/CN202463266U/zh
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Publication of CN202463266U publication Critical patent/CN202463266U/zh
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Expired - Fee Related legal-status Critical Current

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Abstract

本实用新型公开了一种粉笔套,它由内螺纹、套管组成,其特征在于套管上留有内螺纹,使用时将粉笔头上的外螺纹旋进套管上的内螺纹即可,其有益效果是设计简单,成本低廉,实用性较大。

Description

一种粉笔套
技术领域
本实用新型涉及一种粉笔套,尤其涉及一种有内螺纹的粉笔套,属于粉笔技术领域。
背景技术
目前,公知技术的粉笔,在写字时手上会沾上粉笔灰,在本实用新型未作出之前,无有内螺纹的粉笔套使用,检索专利文献,无该技术的技术方案公开。
发明内容
为了克服现有技术中无有内螺纹的粉笔套的不足,本实用新型的目的是为了提供一种有内螺纹的粉笔套,该粉笔套可以使写字者手上保持干净,达到清洁卫生的目的。
为了达到本实用新型的目的,本实用新型解决其技术问题所采取的技术方案是:由内螺纹、套管组成,其特征在于套管上留有内螺纹,使用时将粉笔头上的外螺纹旋进套管上的内螺纹即可。
本实用新型的有益效果是设计简单,成本低廉,实用性较大。
附图说明
下面结合附图和实施例对本实用新型作进一步说明。
图1是本实用新型的示意图。
图1中1.内螺纹,2.套管。
具体实施方式
本实用新型由内螺纹1、套管2组成,其特征在于套管2上留有内螺纹1,使用时将粉笔头上的外螺纹旋进套管2上的内螺纹1即可。

Claims (1)

1.一种粉笔套,由内螺纹(1)、套管(2)组成,其特征在于套管(2)上留有内螺纹(1)。
CN2012200092048U 2012-01-05 2012-01-05 一种粉笔套 Expired - Fee Related CN202463266U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012200092048U CN202463266U (zh) 2012-01-05 2012-01-05 一种粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012200092048U CN202463266U (zh) 2012-01-05 2012-01-05 一种粉笔套

Publications (1)

Publication Number Publication Date
CN202463266U true CN202463266U (zh) 2012-10-03

Family

ID=46911454

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012200092048U Expired - Fee Related CN202463266U (zh) 2012-01-05 2012-01-05 一种粉笔套

Country Status (1)

Country Link
CN (1) CN202463266U (zh)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121003

Termination date: 20130105

CF01 Termination of patent right due to non-payment of annual fee