CN201922764U - 尺规两用器 - Google Patents

尺规两用器 Download PDF

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Publication number
CN201922764U
CN201922764U CN2011200215062U CN201120021506U CN201922764U CN 201922764 U CN201922764 U CN 201922764U CN 2011200215062 U CN2011200215062 U CN 2011200215062U CN 201120021506 U CN201120021506 U CN 201120021506U CN 201922764 U CN201922764 U CN 201922764U
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冯振环
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Abstract

尺规两用器,属于数学教学用具技术领域。本实用新型的技术方案是:包括直尺,其特征是在直尺零点上设有套管,套管内设有弹簧,弹簧上设有定位针,直尺上设有套环,套环上设有定位螺母,套环侧面设有圆环。本实用新型结构简单,在数学教学过程中作圆和测量长度及半径、直径时操作简便、省时省力,减轻了教师的工作难度。

Description

尺规两用器
技术领域:本实用新型属于数学教学用具技术领域,具体地讲是一种尺规两用器。
背景技术:目前,在数学教学过程中一般使用直尺进行测量长度,用圆规作圆,圆的直径、半径也往往需要用直尺测量,这样操作起来十分麻烦、费时费力,且不便于携带,给教师增加了工作难度。
发明内容:本实用新型的目的是提供一种在数学教学过程中作圆和测量长度及半径、直径时操作简便、省时省力的尺规两用器。
本实用新型的技术方案是:包括直尺,其特征是在直尺零点上设有套管,套管内设有弹簧,弹簧上设有定位针,直尺上设有套环,套环上设有定位螺母,套环侧面设有圆环。
本实用新型的有益效果是:本实用新型结构简单,在数学教学过程中作圆和测量长度及半径、直径时操作简便、省时省力,减轻了教师的工作难度。
附图说明:附图1为本实用新型的结构示意图。
图中1、直尺,2、套管,3、弹簧,4、定位针,5、套环,6、定位螺母,7、圆环。
具体实施方式:包括直尺1,其特征是在直尺1零点上设有套管2,套管2内设有弹簧3,弹簧3上设有定位针4,直尺1上设有套环5,套环5上设有定位螺母6,套环5侧面设有圆环7。在数学教学过程中作圆和测量长度及半径、直径时,调节套环5并用定位螺母6固定,手按定位针4,自圆环7插入作图笔旋转即可。

Claims (1)

1.尺规两用器,包括直尺(1),其特征是:在直尺(1)零点上设有套管(2),套管(2)内设有弹簧(3),弹簧(3)上设有定位针(4),直尺(1)上设有套环(5),套环(5)上设有定位螺母(6),套环(5)侧面设有圆环(7)。
CN2011200215062U 2011-01-07 2011-01-07 尺规两用器 Expired - Fee Related CN201922764U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200215062U CN201922764U (zh) 2011-01-07 2011-01-07 尺规两用器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200215062U CN201922764U (zh) 2011-01-07 2011-01-07 尺规两用器

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CN201922764U true CN201922764U (zh) 2011-08-10

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CN2011200215062U Expired - Fee Related CN201922764U (zh) 2011-01-07 2011-01-07 尺规两用器

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Granted publication date: 20110810

Termination date: 20120107