CN2131708Y - 一种标尺圆规 - Google Patents

一种标尺圆规 Download PDF

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Publication number
CN2131708Y
CN2131708Y CN 92218055 CN92218055U CN2131708Y CN 2131708 Y CN2131708 Y CN 2131708Y CN 92218055 CN92218055 CN 92218055 CN 92218055 U CN92218055 U CN 92218055U CN 2131708 Y CN2131708 Y CN 2131708Y
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CN 92218055
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李义
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Abstract

本实用新型公开了一种可用彩笔、自动铅笔、钢 笔、圆珠笔画圆的标尺圆规,这种标尺圆规有主尺、副 尺,主尺上有刻度,画圆时直径尺寸在圆规中直接取 得,画大直径圆时,只要把副尺从主尺中抽出,不需加 接杆,即可画大圆。

Description

本实用新型涉及一种绘图圆规。
目前,已知的圆规采用铅笔芯或沾水笔头画圆,画大直径圆时采用接杆的方式,画圆直径尺寸在三角板刻度中取得,功能单一、使用不便。
本实用新型的目的是提供一种可用任何笔画圆,画圆直径尺寸直接在圆规中取得,画大直径圆时不需加接杆的标尺圆规。
本实用新型的目的是这样实现的:夹头固定在副尺上,副尺插入主尺内,主尺穿过主体,锁紧旋钮在主体上端,活动管固定在主体上,主尺、副尺、活动管均做成拉杆式,主尺、副尺截面积呈长方形从而控制副尺在主尺内,主尺在主体中的圆周转动,主体采用壁厚0.75~1mm管子冲压成凸型从而保护主尺刻度不被磨损。
下面结合附图和实施例对本实用新型进一步描述。
附图为标尺圆规结构图。
图中:1、中心轴,2、活动管,3、锁紧旋转钮,4、主尺,5、副尺,6、夹头,7、笔,8、主体
画80mm的圆,首先把主尺(4)副尺(5)放在0位,夹头(6)上装上笔(7)使笔尖与中心轴(1)尖相接后,固定夹笔的夹头(6),然后拉出主尺(4)到40mm刻度处画圆。

Claims (3)

1、一种标尺圆规,由夹头、主尺、副尺、中心轴、活动管子组成,其特征在于夹头固定在副尺上、副尺插入主尺、主尺穿过主体、活动管固定在主体上,中心轴穿过活动管。
2、根据权利要求1所述的圆规,其特征在于主尺上刻有0~100mm刻度。
3、根据权利要求1、2所述的圆规,其特征在于主尺、副尺、活动管均为拉杆式。
CN 92218055 1992-06-07 1992-06-07 一种标尺圆规 Expired - Fee Related CN2131708Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 92218055 CN2131708Y (zh) 1992-06-07 1992-06-07 一种标尺圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 92218055 CN2131708Y (zh) 1992-06-07 1992-06-07 一种标尺圆规

Publications (1)

Publication Number Publication Date
CN2131708Y true CN2131708Y (zh) 1993-05-05

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ID=33765697

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 92218055 Expired - Fee Related CN2131708Y (zh) 1992-06-07 1992-06-07 一种标尺圆规

Country Status (1)

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CN (1) CN2131708Y (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101941346A (zh) * 2010-10-27 2011-01-12 唐供宾 圆规
CN102442130A (zh) * 2011-10-22 2012-05-09 奇瑞汽车股份有限公司 一种用于绘制圆形的绘图仪

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101941346A (zh) * 2010-10-27 2011-01-12 唐供宾 圆规
CN102442130A (zh) * 2011-10-22 2012-05-09 奇瑞汽车股份有限公司 一种用于绘制圆形的绘图仪

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Date Code Title Description
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
C15 Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993)