CN202923188U - 一种防尘粉笔套 - Google Patents

一种防尘粉笔套 Download PDF

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Publication number
CN202923188U
CN202923188U CN 201220619170 CN201220619170U CN202923188U CN 202923188 U CN202923188 U CN 202923188U CN 201220619170 CN201220619170 CN 201220619170 CN 201220619170 U CN201220619170 U CN 201220619170U CN 202923188 U CN202923188 U CN 202923188U
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China
Prior art keywords
chalk
cover
push rod
dustproof
pen cap
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Expired - Fee Related
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CN 201220619170
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English (en)
Inventor
杜超
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KE BINGJIE
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KE BINGJIE
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Abstract

本实用新型提供了一种防尘粉笔套,包括笔套,笔套的前端装有粉笔,在笔套的尾端设有推杆,推杆的尾部设有小型粉笔擦,推杆和笔套之间设有卡扣。使用时可以利用推杆尾部的小型粉笔擦瞬间纠错,节约时间和精力,结构简单经济实用。

Description

一种防尘粉笔套
技术领域
[0001] 本实用新型涉及一种教学用具,具体是一种防尘粉笔套。
背景技术
[0002] 老师板书的时候粉笔会带来粉尘,不仅对老师的健康不利,也不利于环境卫生,虽然有防尘粉笔的出现,但是使用效果还是不理想,因为仅仅是一个笔套中间夹粉笔,当出现一行中有需要修改时,粉笔擦就会擦掉一大片,浪费时间和精力。
发明内容
[0003] 本实用新型为了节约时间和利与环境,特提出一种防尘粉笔套。
[0004]为此,本实用新型的技术方案为,一种防尘粉笔套,包括笔套,笔套的前端装有粉笔,其特征在于:在笔套的尾端设有推杆,推杆的尾部设有小型粉笔擦,推杆和笔套之间设有卡扣。
[0005] 有益效果:
[0006] 本实用新型使用时可以利用推杆尾部的小型粉笔擦瞬间纠错,节约时间和精力,推杆可以推粉笔前进,卡扣的是为了卡住两者之间起固定作用,并且可以辅助拉推杆后退,结构简单经济实用。
附图说明
[0007] 图1是本实用新型的结构示意图。
[0008] 图中I是笔套,2是粉笔,3是推杆,4是卡扣,5是小型粉笔擦。
具体实施方式
[0009] 本实用新型如图1所示。
[0010] 一种防尘粉笔套,包括笔套1,笔套I的前端装有粉笔2,在笔套I的尾端设有推杆3,推杆3的尾部设有小型粉笔擦5,推杆3和笔套I之间设有卡扣4。

Claims (2)

1.一种防尘粉笔套,包括笔套,笔套的前端装有粉笔,其特征在于:在笔套的尾端设有推杆,推杆的尾部设有小型粉笔擦。
2.根据权利要求1所述的一种防尘粉笔套,其特征在于:推杆和笔套之间设有卡扣。
CN 201220619170 2012-11-21 2012-11-21 一种防尘粉笔套 Expired - Fee Related CN202923188U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220619170 CN202923188U (zh) 2012-11-21 2012-11-21 一种防尘粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220619170 CN202923188U (zh) 2012-11-21 2012-11-21 一种防尘粉笔套

Publications (1)

Publication Number Publication Date
CN202923188U true CN202923188U (zh) 2013-05-08

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220619170 Expired - Fee Related CN202923188U (zh) 2012-11-21 2012-11-21 一种防尘粉笔套

Country Status (1)

Country Link
CN (1) CN202923188U (zh)

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C17 Cessation of patent right
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Granted publication date: 20130508

Termination date: 20131121