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CN201158252Y - 圆规 - Google Patents

圆规 Download PDF

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Publication number
CN201158252Y
CN201158252Y CNU200720014091XU CN200720014091U CN201158252Y CN 201158252 Y CN201158252 Y CN 201158252Y CN U200720014091X U CNU200720014091X U CN U200720014091XU CN 200720014091 U CN200720014091 U CN 200720014091U CN 201158252 Y CN201158252 Y CN 201158252Y
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CN
China
Prior art keywords
support bar
rod
compasses
swingle
support rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU200720014091XU
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English (en)
Inventor
张光宇
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Individual
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Individual
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Filing date
Publication date
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Priority to CNU200720014091XU priority Critical patent/CN201158252Y/zh
Application granted granted Critical
Publication of CN201158252Y publication Critical patent/CN201158252Y/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

本实用新型涉及一种圆规,包括支撑杆和旋转杆,为支撑杆和旋转杆为伸缩结构,支撑杆的杆体前端设有轴,轴与支撑杆平行的伸缩直尺铰接,支撑杆与旋转杆通过伸缩套杆固定。本实用新型具有结构简单、使用方便,适用范围广泛等特点。

Description

圆规
技术领域
本实用新型涉及一种学习用品,尤其是一种圆规。
技术背景  目前,有时在画一些比较大的圆形时,由于受现有圆规支撑杆和旋转杆长度的制约,只好采用不同土办法代替,使用起来很不方便,画的圆形效果也不太理想。
发明内容
本实用新型的目的是克服上述问题而提供一种使用方便多功能的圆规。
为达到上述目的,本实用新型圆规,包括支撑杆和旋转杆,为支撑杆和旋转杆为伸缩结构,支撑杆的杆体前端设有轴,轴与支撑杆平行的伸缩直尺铰接,支撑杆与旋转杆通过伸缩套杆固定。
本实用新型的优点是:结构简单、使用方便,适用范围广泛等特点。
附图说明
图1为本实用新型圆规整体结构示意图。
具体实施方式
如图1示,本实用新型圆规,包括支撑杆1和旋转杆2,为支撑杆1和旋转杆2为伸缩结构,支撑杆1的杆体前端设有轴3,轴3与支撑杆1平行的伸缩直尺4铰接,支撑杆1与旋转杆2通过伸缩套杆5固定。

Claims (1)

1、一种圆规,包括支撑杆(1)和旋转杆(2),其特征是:支撑杆(1)和旋转杆(2)为伸缩结构,支撑杆(1)的杆体前端设有轴(3),轴(3)与支撑杆(1)平行的伸缩直尺(4)铰接,支撑杆(1)与旋转杆(2)通过伸缩套杆(5)固定。
CNU200720014091XU 2007-08-29 2007-08-29 圆规 Expired - Fee Related CN201158252Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU200720014091XU CN201158252Y (zh) 2007-08-29 2007-08-29 圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU200720014091XU CN201158252Y (zh) 2007-08-29 2007-08-29 圆规

Publications (1)

Publication Number Publication Date
CN201158252Y true CN201158252Y (zh) 2008-12-03

Family

ID=40108844

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU200720014091XU Expired - Fee Related CN201158252Y (zh) 2007-08-29 2007-08-29 圆规

Country Status (1)

Country Link
CN (1) CN201158252Y (zh)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20081203

Termination date: 20090929