CN201989509U - 一种能画圆环的圆规 - Google Patents

一种能画圆环的圆规 Download PDF

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Publication number
CN201989509U
CN201989509U CN2011200433495U CN201120043349U CN201989509U CN 201989509 U CN201989509 U CN 201989509U CN 2011200433495 U CN2011200433495 U CN 2011200433495U CN 201120043349 U CN201120043349 U CN 201120043349U CN 201989509 U CN201989509 U CN 201989509U
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赵连娜
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Abstract

一种能画圆环的圆规,属于文具。主要解决现有圆规无法快捷绘制圆环图形的问题。其结构包括由支腿、笔腿和手柄构成的圆规本体,所述的笔腿的内侧面通过转轴铰接一伸缩杆,伸缩杆的自由端连接副笔腿。本实用新型的圆规由于在圆规笔腿的内侧面铰接一副笔腿,可同时使用两个笔腿一次画出圆环,由于副笔腿是由伸缩杆连接,不使用时可以缩短,不影响圆规的正常使用。

Description

一种能画圆环的圆规
技术领域
本实用新型涉及一种文具,具体地说是一种圆规。
背景技术
圆规是学生作图经常经过的文具之一,但是现有的圆规无法快捷的绘制圆环图形,给学生学习造成不便。
实用新型内容
本实用新型的目的在于提供一种能画圆环的圆规,主要解决现有圆规无法快捷绘制圆环图形的问题,该圆规的支腿上设有副笔腿,能方便的一次画出圆环。
本实用新型解决其技术问题所采取的技术方案是:一种能画圆环的圆规,其结构包括由支腿、笔腿和手柄构成的圆规本体,所述的笔腿的内侧面通过转轴铰接一伸缩杆,伸缩杆的自由端连接副笔腿。
本实用新型的有益效果是:由于圆规笔腿的内侧面铰接一副笔腿,可同时使用两个笔腿一次画出圆环,由于副笔腿是由伸缩杆连接,不使用时可以缩短,不影响圆规的正常使用。
附图说明
图1为本实用新型的结构示意图;
图中:1笔腿,2副笔腿,3伸缩杆,4转轴,5支腿,6手柄。
具体实施方式
如图1所示。一种能画圆环的圆规,其结构包括由支腿5、笔腿1和手柄6构成的圆规本体,所述的笔腿1的内侧面通过转轴4铰接一伸缩杆3,伸缩杆3的自由端连接副笔腿2。绘制圆环时,可分别将笔腿1与副笔腿2调整至需要的尺寸位置,转动手柄6,即可一次画出圆环,伸缩杆3的设计能够使副笔腿2时刻落在纸面上,不使用时还可以缩短,不影响圆规的正常使用。
本实用新型的圆规能一次性绘制圆环,笔腿绘制外圆,副笔腿绘制内圆,简单快捷,一次成型,节省时间。

Claims (1)

1.一种能画圆环的圆规,包括由支腿、笔腿和手柄构成的圆本体,其特征是,所述的笔腿的内侧面通过转轴铰接一伸缩杆,伸缩杆的自由端连接副笔腿。
CN2011200433495U 2011-02-22 2011-02-22 一种能画圆环的圆规 Expired - Fee Related CN201989509U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011200433495U CN201989509U (zh) 2011-02-22 2011-02-22 一种能画圆环的圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011200433495U CN201989509U (zh) 2011-02-22 2011-02-22 一种能画圆环的圆规

Publications (1)

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CN201989509U true CN201989509U (zh) 2011-09-28

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CN2011200433495U Expired - Fee Related CN201989509U (zh) 2011-02-22 2011-02-22 一种能画圆环的圆规

Country Status (1)

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CN (1) CN201989509U (zh)

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Granted publication date: 20110928

Termination date: 20120222