CN202896063U - 圆直器 - Google Patents

圆直器 Download PDF

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Publication number
CN202896063U
CN202896063U CN 201220626698 CN201220626698U CN202896063U CN 202896063 U CN202896063 U CN 202896063U CN 201220626698 CN201220626698 CN 201220626698 CN 201220626698 U CN201220626698 U CN 201220626698U CN 202896063 U CN202896063 U CN 202896063U
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China
Prior art keywords
rule
slide calliper
compass
leg
calliper rule
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Expired - Fee Related
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CN 201220626698
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English (en)
Inventor
张朝殿
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Individual
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Individual
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Abstract

本实用新型公开了一种圆直器,包括规腿、卡尺和规脚,所述规腿的下端能在卡尺上水平移动,所述规脚在所述卡尺的下方。

Description

圆直器
技术领域
本实用新型涉及一种圆规,尤其涉及一种圆直器。
背景技术
传统的圆规没有卡尺,如果要画一个已知半径的圆,通常的方法就是用一根另外的卡尺来确定圆规两脚之间的距离后再进行,但这样的圆规很不方便而且误差也很大。
发明内容
本实用新型所要解决的技术问题在于提供一种圆直器,该圆直器设计简单,实用方便,误差小。
为了解决以上技术问题,本实用新型的技术方案如下:
一种圆直器,包括规腿、卡尺和规脚,所述规腿的下端能在卡尺上水平移动,所述规脚在所述卡尺的下方。所述规脚有左右两个;所述规腿有左右两个;所述规脚位于所述规腿的正下方。
所述卡尺呈水平条状。
所述规腿在所述卡尺上移动时所述规脚也在所述卡尺上移动,所述规脚始终位于所述规腿的正下方。
本实用新型的有益效果是:实用方便,误差小。
附图说明
图1为本实用新型实施例的结构示意图。
具体实施方式
下面结合附图和实施例对本实用新型作进一步说明:
如图1所示,本实用新型主要由规腿1、卡尺2和规脚3,规腿1的下端能在卡尺2上水平移动,规脚3在卡尺2的下方。规脚3有左右两个;规腿1有左右两个;规脚3位于规腿1的正下方。
本实用新型是这样使用的:移动规腿,两规腿之间的距离直接从卡尺上读出,需要多大半的圆就直接将两规腿之间的距离移动到卡尺相应的刻度上即可。

Claims (1)

1.一种圆直器,其特征在于:包括规腿(1)、卡尺(2)和规脚(3),所述规腿(1)的下端能在所述卡尺(2)上水平移动,所述规脚(3)在所述卡尺(2)的下方。
CN 201220626698 2012-11-24 2012-11-24 圆直器 Expired - Fee Related CN202896063U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220626698 CN202896063U (zh) 2012-11-24 2012-11-24 圆直器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220626698 CN202896063U (zh) 2012-11-24 2012-11-24 圆直器

Publications (1)

Publication Number Publication Date
CN202896063U true CN202896063U (zh) 2013-04-24

Family

ID=48116771

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201220626698 Expired - Fee Related CN202896063U (zh) 2012-11-24 2012-11-24 圆直器

Country Status (1)

Country Link
CN (1) CN202896063U (zh)

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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: 20130424

Termination date: 20131124