CN2709184Y - 多功能粉笔套 - Google Patents

多功能粉笔套 Download PDF

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Publication number
CN2709184Y
CN2709184Y CN 200420018068 CN200420018068U CN2709184Y CN 2709184 Y CN2709184 Y CN 2709184Y CN 200420018068 CN200420018068 CN 200420018068 CN 200420018068 U CN200420018068 U CN 200420018068U CN 2709184 Y CN2709184 Y CN 2709184Y
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China
Prior art keywords
sleeve pipe
multifunction
utility
model
chalk
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Expired - Fee Related
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CN 200420018068
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English (en)
Inventor
王澜
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Individual
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Individual
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Priority to CN 200420018068 priority Critical patent/CN2709184Y/zh
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Publication of CN2709184Y publication Critical patent/CN2709184Y/zh
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Abstract

本实用新型公开了一种多功能粉笔套,包括套管、伸缩杆,套管一端设置弹簧,套管通过旋转钮与伸缩杆连接。本实用新型不易被折断,还可作教鞭使用。

Description

多功能粉笔套
                               技术领域
本实用新型涉及一种教学用具,尤其是一种多功能粉笔套。
                               背景技术
粉笔是教学中常用的,板书时粉笔容易折断,既浪费资源又浪费时间。
                               发明内容
本实用新型的目的就是要提供一种使粉笔不折断又可当教鞭使用的多功能粉笔套。
本实用新型的目的是这样实现的:一种多功能粉笔套,包括套管1、伸缩杆2,套管1一端设置弹簧3,套管1通过旋转钮4与伸缩杆2连接。
本实用新型由于采用上述结构,在套管1一端设置弹簧3,将旋转钮4与套管1和伸缩杆2连接起来,使套管1内的粉笔自由伸缩,便于板书,伸缩杆2拉长可作教鞭。
                               附图说明
下面结合附图和具体实施方式对本实用新型作进一步说明。
图1是本实用新型的结构示意图。
                             具体实施方式
本实用新型的结构包括套管1、伸缩杆2,套管1一端设置弹簧3,套管1通过旋转钮4与伸缩杆2连接。
板书时把伸缩杆2收缩变短,转动旋转钮4,使粉笔伸出适量便于书写,作教鞭使用时调节旋转钮4使粉笔收进套管1内,将伸缩杆2拉长。

Claims (1)

1、一种多功能粉笔套,包括套管(1)、伸缩杆(2),其特征在于:套管(1)一端设置弹簧(3),套管(1)通过旋转钮(4)与伸缩杆(2)连接。
CN 200420018068 2004-05-14 2004-05-14 多功能粉笔套 Expired - Fee Related CN2709184Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200420018068 CN2709184Y (zh) 2004-05-14 2004-05-14 多功能粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200420018068 CN2709184Y (zh) 2004-05-14 2004-05-14 多功能粉笔套

Publications (1)

Publication Number Publication Date
CN2709184Y true CN2709184Y (zh) 2005-07-13

Family

ID=34848912

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200420018068 Expired - Fee Related CN2709184Y (zh) 2004-05-14 2004-05-14 多功能粉笔套

Country Status (1)

Country Link
CN (1) CN2709184Y (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