CN200984886Y - 粉笔套 - Google Patents

粉笔套 Download PDF

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Publication number
CN200984886Y
CN200984886Y CN 200620163412 CN200620163412U CN200984886Y CN 200984886 Y CN200984886 Y CN 200984886Y CN 200620163412 CN200620163412 CN 200620163412 CN 200620163412 U CN200620163412 U CN 200620163412U CN 200984886 Y CN200984886 Y CN 200984886Y
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China
Prior art keywords
chalk
screw terminal
utility
screw head
chalk sleeve
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Expired - Fee Related
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CN 200620163412
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English (en)
Inventor
胡军
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Individual
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Individual
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Priority to CN 200620163412 priority Critical patent/CN200984886Y/zh
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Publication of CN200984886Y publication Critical patent/CN200984886Y/zh
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Abstract

本实用新型提供一种粉笔套,在其粉笔套管的入口处设有螺丝头,并设有数个向外扩张的开口,螺丝头配有可收缩开口的螺帽,本实用新型可将粉笔从螺丝头处插入粉笔套管中采用螺帽旋紧固定使用,即避免了使用粉笔时对人体的直接接触造成的污染,又可充分的利用短小粉笔头,有利节约资源。

Description

粉笔套
所属技术领域
本实用新型涉及一种使用粉笔工具,具体的说是一种粉笔套。
背景技术
现在学校老师在上课时,要不停的手持粉笔在黑板上写字,由于人体要与粉笔直接接触,很易对身体造成污染伤害,同时,粉笔在使用到一定的长度时,只能扔掉,由此也造成了一定的资源浪费。
发明内容
本实用新型提供一种粉笔套,可以将粉笔旋装入粉笔套使用,即避免了人体的直接接触,又可使短粉笔头得到利用。
本实用新型包括粉笔套管和螺丝头以及螺帽,所采用的技术方案是:在粉笔套管的前端入口处设有螺丝头,其螺丝头垂直方向设有数个逐步向外扩张的开口,螺丝头配有一个可收缩开口的螺帽。
本实用新型的有益效果是:将粉笔插入粉笔套的螺丝头处,旋紧螺帽即可固定粉笔使用,解决了人体直接接触粉笔的问题,结构简单、使用方便。
附图说明
下面结合附图和实施例对本实用新型作进一步详述。
附图为本实用新型结构示意图。
具体实施方式
图中:在粉笔套管1的前端入口处设有螺丝头3,其螺丝头3垂直方向设有数个逐步向外扩张的开口2,螺丝头3配有一个可收缩开口2的螺帽4。

Claims (1)

1、一种粉笔套,包括粉笔套管(1)和螺丝头(3)以及螺帽(4)其特征是:在粉笔套管(1)的前端入口处设有螺丝头(3),其螺丝头(3)垂直方向设有数个逐步向外扩张的开口(2),螺丝头(3)配有一个可收缩开口(2)的螺帽(4)。
CN 200620163412 2006-11-30 2006-11-30 粉笔套 Expired - Fee Related CN200984886Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620163412 CN200984886Y (zh) 2006-11-30 2006-11-30 粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620163412 CN200984886Y (zh) 2006-11-30 2006-11-30 粉笔套

Publications (1)

Publication Number Publication Date
CN200984886Y true CN200984886Y (zh) 2007-12-05

Family

ID=38914350

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200620163412 Expired - Fee Related CN200984886Y (zh) 2006-11-30 2006-11-30 粉笔套

Country Status (1)

Country Link
CN (1) CN200984886Y (zh)

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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