CN200974401Y - 螺旋粉笔套 - Google Patents

螺旋粉笔套 Download PDF

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Publication number
CN200974401Y
CN200974401Y CN 200620161015 CN200620161015U CN200974401Y CN 200974401 Y CN200974401 Y CN 200974401Y CN 200620161015 CN200620161015 CN 200620161015 CN 200620161015 U CN200620161015 U CN 200620161015U CN 200974401 Y CN200974401 Y CN 200974401Y
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chalk
sleeve
utility
spiral
model
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Expired - Fee Related
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CN 200620161015
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English (en)
Inventor
许恩祺
王振勇
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Individual
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Individual
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Abstract

本实用新型公开了一种螺旋粉笔套属于一种文具,特别是粉笔套。一种螺旋粉笔套,其特征是:带内螺纹的套管内装有螺旋杆,套管下部有锥形夹笔套。使用本实用新型公开的螺旋粉笔套只要将粉笔头插入夹笔套内,手拿套管可以方便的写字,传动螺杆可以调节粉笔的长短,由于手不和粉笔直接接触所以不会污染手。

Description

螺旋粉笔套
技术领域
本实用新型属于一种文具,特别是粉笔套。
背景技术
粉笔时教学活动中不可缺少的文具,但是粉笔容易污染教师的手,同时使用时会剩下许多粉笔头因其太短不能使用,有人制作了套管式的粉笔套虽然可以使用粉笔头,但是不易随意调节粉笔的长短。
实用新型内容
本实用新型的目的是提供一种随意调节粉笔长短,不污染手,又能充分利用短粉笔头的螺旋粉笔套的技术方案。
本实用新型的技术方案为,一种螺旋粉笔套,其特征是:带内螺纹的套管内装有螺旋杆,套管下部有锥形夹笔套。
使用本实用新型公开的螺旋粉笔套只要将粉笔头插入夹笔套内,手拿套管可以方便的写字,传动螺杆可以调节粉笔的长短,由于受不和粉笔直接接触所以不会污染手。
附图说明
附图1为本实用新型的结构示意图。
图中,1.螺旋杆,2.套管,3.锥形夹笔套,4.粉笔。
具体实施方式
本实用新型的具体实施方式是,如图所示:
实施例1,一种螺旋粉笔套,其特征是:带内螺纹的套管2内装有螺旋杆1,套管下部有锥形夹笔套3内装有粉笔,带内螺纹的套管和螺旋杆可以用金属制作也可以用塑料等材料制作。

Claims (1)

1.一种螺旋粉笔套,其特征是:带内螺纹的套管内装有螺旋杆,套管下部有锥形夹笔套。
CN 200620161015 2006-11-29 2006-11-29 螺旋粉笔套 Expired - Fee Related CN200974401Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620161015 CN200974401Y (zh) 2006-11-29 2006-11-29 螺旋粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620161015 CN200974401Y (zh) 2006-11-29 2006-11-29 螺旋粉笔套

Publications (1)

Publication Number Publication Date
CN200974401Y true CN200974401Y (zh) 2007-11-14

Family

ID=38900694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620161015 Expired - Fee Related CN200974401Y (zh) 2006-11-29 2006-11-29 螺旋粉笔套

Country Status (1)

Country Link
CN (1) CN200974401Y (zh)

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C19 Lapse of patent right due to non-payment of the annual fee
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