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CN201151279Y - 粉笔套 - Google Patents

粉笔套 Download PDF

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Publication number
CN201151279Y
CN201151279Y CNU2007203002184U CN200720300218U CN201151279Y CN 201151279 Y CN201151279 Y CN 201151279Y CN U2007203002184 U CNU2007203002184 U CN U2007203002184U CN 200720300218 U CN200720300218 U CN 200720300218U CN 201151279 Y CN201151279 Y CN 201151279Y
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China
Prior art keywords
chalk
casing
hollow bolt
pen cap
utility
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
Application number
CNU2007203002184U
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English (en)
Inventor
罗婷
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Individual
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Individual
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Filing date
Publication date
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Priority to CNU2007203002184U priority Critical patent/CN201151279Y/zh
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Publication of CN201151279Y publication Critical patent/CN201151279Y/zh
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Expired - Fee Related legal-status Critical Current

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Abstract

一种粉笔套,包括:笔套(1),笔套(1)内有螺纹连接的空心螺栓(2),空心螺栓(2)的内空中放上粉笔。优点是:老师用粉笔书写时,手拿笔套,可以防止手上沾上粉笔灰,粉笔头也可以利用起来,减少了浪费。

Description

粉笔套
技术领域
本实用新型涉及教学用品技术领域,具体地说是一种粉笔套。
背景技术
老师上课用粉笔时,粉笔灰容易沾在手上,不干净,而且粉笔用小后就不方便书写,只有扔掉,造成浪费。
实用新型内容
本实用新型的目的是设计一种在使用粉笔时不会弄脏手,且粉笔头也可使用的粉笔套。
本实用新型粉笔套,包括:笔套1,笔套1内有螺纹连接的空心螺栓2,空心螺栓2的内空中放上粉笔,随着螺纹的推进,粉笔不断地伸出,便于书写。
粉笔套是这样实现的:将粉笔一头插入空心螺栓,钮动空心螺栓,将粉笔大部分旋入笔套中,手握笔套即可书写。
本实用新型粉笔套的优点是:老师用粉笔书写时,手拿笔套,可以防止手上沾上粉笔灰,粉笔头也可以利用起来,减少了浪费。
附图说明
附图为粉笔套结构示意图。
具体实施方式
根据附图所示,笔套1,笔套1内有螺纹连接的空心螺栓2,空心螺栓2的内空中放上粉笔,随着螺纹的推进,粉笔不断地伸出,便于书写。

Claims (1)

1、一种粉笔套,包括:笔套(1),其特征在于:笔套(1)内有螺纹连接的空心螺栓(2),空心螺栓(2)的内空中放上粉笔。
CNU2007203002184U 2007-12-20 2007-12-20 粉笔套 Expired - Fee Related CN201151279Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007203002184U CN201151279Y (zh) 2007-12-20 2007-12-20 粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007203002184U CN201151279Y (zh) 2007-12-20 2007-12-20 粉笔套

Publications (1)

Publication Number Publication Date
CN201151279Y true CN201151279Y (zh) 2008-11-19

Family

ID=40126958

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007203002184U Expired - Fee Related CN201151279Y (zh) 2007-12-20 2007-12-20 粉笔套

Country Status (1)

Country Link
CN (1) CN201151279Y (zh)

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C19 Lapse of patent right due to non-payment of the annual fee
CF01 Termination of patent right due to non-payment of annual fee