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CN202200711U - 一种短粉笔使用套 - Google Patents

一种短粉笔使用套 Download PDF

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Publication number
CN202200711U
CN202200711U CN2011203032608U CN201120303260U CN202200711U CN 202200711 U CN202200711 U CN 202200711U CN 2011203032608 U CN2011203032608 U CN 2011203032608U CN 201120303260 U CN201120303260 U CN 201120303260U CN 202200711 U CN202200711 U CN 202200711U
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short
chalks
chalk
utility
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Expired - Fee Related
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CN2011203032608U
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English (en)
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王吴光
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Individual
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Abstract

本实用新型公布了一种短粉笔使用套,其特征在于:包括套筒、头部夹紧块和螺旋推杆;所述头部夹紧块位于所述套筒口部,所述螺旋推杆设置在所述套筒底部。本实用新型结构简单,使用方便,避免了短粉笔给老师书写带来的不便,又节约了粉笔,避免浪费。

Description

一种短粉笔使用套
技术领域
本实用新型涉及一种短粉笔使用套。
背景技术
现在教学中离不开粉笔,但我们发现在教室中会有很多短粉笔是被弃置不用的。不用的原因主要是教师需要花费很大的力量抓住短粉笔,而且用短粉笔写字很不方便。这导致了很多粉笔的浪费。
发明内容
本实用新型目的在于针对现有技术的缺陷提供一种可以充分利用短粉笔的套子。
本实用新型为实现上述目的,采用如下技术方案:
一种短粉笔使用套,其特征在于:包括套筒、头部夹紧块和螺旋推杆;所述头部夹紧块位于所述套筒口部,所述螺旋推杆设置在所述套筒底部。
本实用新型结构简单,使用方便,避免了短粉笔给老师书写带来的不便,又节约了粉笔,避免浪费。
附图说明
图 1 为本实用新型示意图;
1、头部夹紧块;2、套筒;3、螺旋推杆。
具体实施方式
如图1所示一种短粉笔使用套,包括套筒、头部夹紧块和螺旋推杆;所述头部夹紧块位于所述套筒口部,所述螺旋推杆设置在所述套筒底部。
短粉笔通过尾部装入套筒2内,套筒2内可以装很多短粉笔.通过尾部的螺旋推杆3把套筒2内的短粉笔往前推,套筒头部有头部夹紧块1,通过弹簧把粉笔夹紧。当露出套筒的粉笔太短时,旋转螺旋推杆3即可。

Claims (1)

1.一种短粉笔使用套,其特征在于:包括套筒、头部夹紧块和螺旋推杆;所述头部夹紧块位于所述套筒口部,所述螺旋推杆设置在所述套筒底部。
CN2011203032608U 2011-08-19 2011-08-19 一种短粉笔使用套 Expired - Fee Related CN202200711U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203032608U CN202200711U (zh) 2011-08-19 2011-08-19 一种短粉笔使用套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203032608U CN202200711U (zh) 2011-08-19 2011-08-19 一种短粉笔使用套

Publications (1)

Publication Number Publication Date
CN202200711U true CN202200711U (zh) 2012-04-25

Family

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Family Applications (1)

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CN2011203032608U Expired - Fee Related CN202200711U (zh) 2011-08-19 2011-08-19 一种短粉笔使用套

Country Status (1)

Country Link
CN (1) CN202200711U (zh)

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Granted publication date: 20120425

Termination date: 20120819