CN204432142U - 教学用圆规 - Google Patents

教学用圆规 Download PDF

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Publication number
CN204432142U
CN204432142U CN201420769279.5U CN201420769279U CN204432142U CN 204432142 U CN204432142 U CN 204432142U CN 201420769279 U CN201420769279 U CN 201420769279U CN 204432142 U CN204432142 U CN 204432142U
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compasses
teaching
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Expired - Fee Related
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CN201420769279.5U
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English (en)
Inventor
党天琪
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Xiangyang Vocational and Technical College
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Xiangyang Vocational and Technical College
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Abstract

本实用新型提供一种教学用圆规,教学使用的圆规,其中一支规杆下端是吸盘,另一支规杆下端是可装粉笔的笔套,两支规杆上方设有手动调节钮,顶部设有操作圆盘。在教学使用时,可通过一支规杆下端的吸盘将圆规稳固的定位在黑板上,解决了传统圆规难以在黑板上定位的问题,有利教师讲课时使用更方便。

Description

教学用圆规
技术领域
[0001] 本实用新型涉及一种圆规,具体的说是一种可收放数据线的充电器。
背景技术
[0002] 学校教师讲课时,会经常使用圆规在黑板上画图讲解,传统的圆规虽可安装粉笔在黑板上使用,但很难确保圆规在黑板上定位画图,稍有错位,就直接影响圆形图的效果。
发明内容
[0003] 本实用新型提供一种教学用圆规,可将圆规稳固的定位在黑板上使用。
[0004] 本实用新型包括圆规的规杆,所采用的技术方案在于:教学使用的圆规,其中一支规杆下端是吸盘,另一支规杆下端是可装粉笔的笔套,两支规杆上方设有手动调节钮,顶部设有操作圆盘。
[0005] 本实用新型的有益效果在于:在教学使用时,可通过一支规杆下端的吸盘将圆规稳固的定位在黑板上,解决了传统圆规难以在黑板上定位的问题,有利教师讲课时使用更方便。
附图说明
[0006] 下面结合附图和实施例对本实用新型作进一步详述。
[0007] 图1为本实用新型的结构示意图。
具体实施方式
[0008] 图1所示:教学使用的圆规,其中一支规杆I下端是吸盘2,另一支规杆I下端是可装粉笔4的笔套3,两支规杆I上方设有手动调节钮5,顶部设有操作圆盘6。

Claims (1)

1.一种教学用圆规,包括圆规的规杆(1),其特征在于:教学使用的圆规,其中一支规杆(I)下端是吸盘(2),另一支规杆(I)下端是可装粉笔(4)的笔套(3),两支规杆(I)上方设有手动调节钮(5),顶部设有操作圆盘(6)。
CN201420769279.5U 2014-12-09 2014-12-09 教学用圆规 Expired - Fee Related CN204432142U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420769279.5U CN204432142U (zh) 2014-12-09 2014-12-09 教学用圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420769279.5U CN204432142U (zh) 2014-12-09 2014-12-09 教学用圆规

Publications (1)

Publication Number Publication Date
CN204432142U true CN204432142U (zh) 2015-07-01

Family

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Family Applications (1)

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CN201420769279.5U Expired - Fee Related CN204432142U (zh) 2014-12-09 2014-12-09 教学用圆规

Country Status (1)

Country Link
CN (1) CN204432142U (zh)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150701

Termination date: 20151209

EXPY Termination of patent right or utility model