CN103847362A - 双画针圆规 - Google Patents

双画针圆规 Download PDF

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Publication number
CN103847362A
CN103847362A CN201210522946.5A CN201210522946A CN103847362A CN 103847362 A CN103847362 A CN 103847362A CN 201210522946 A CN201210522946 A CN 201210522946A CN 103847362 A CN103847362 A CN 103847362A
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pin
compasses
double
ball
pen core
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CN201210522946.5A
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English (en)
Inventor
周秋实
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Zaoyang Experimental Middle School
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Zaoyang Experimental Middle School
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Priority to CN201210522946.5A priority Critical patent/CN103847362A/zh
Publication of CN103847362A publication Critical patent/CN103847362A/zh
Pending legal-status Critical Current

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Abstract

本发明提供一种双画针圆规,所述圆规的中间有一个固定的定针,两侧分别为铅芯画针和中性笔芯画针。使用时,可一次性快捷的画出两个不同大小的圆形图,并可随需要选择使用铅芯或中性笔芯作图,结构科学,特别方便画图时使用。

Description

双画针圆规
技术领域
本发明涉及一种圆规,具体的说是一种双画针圆规。
背景技术
现在使用的圆规都是两个支腿,分别为定针和画针,使用时,通过定针固定中心,使用画针画出圆形图,这种传统的圆规一次只能作出一个圆形图,且只能选用一种铅芯使用。
发明内容
本发明提供一种双画针圆规,可一次画出两个圆形图,且可选择使用不同的笔画图。
本发明包括圆规的定针,所采用的技术方案在于:所述圆规的中间有一个固定的定针,两侧分别为铅芯画针和中性笔芯画针。
本发明的有益效果体现在:使用时,可一次性快捷的画出两个不同大小的圆形图,并可随需要选择使用铅芯或中性笔芯作图,结构科学,特别方便画图时使用。
附图说明
下面结合附图和实施例对本发明作进一步详述。
图1为本发明结构示意图。
具体实施方式
附图1所示:圆规的中间有一个固定的定针1,两侧分别为铅芯画针2和中性笔芯画针3。

Claims (1)

1.一种双画针圆规,包括圆规的定针(1),其特征在于:所述圆规的中间有一个固定的定针(1),两侧分别为铅芯画针(2)和中性笔芯画针(3)。
CN201210522946.5A 2012-12-08 2012-12-08 双画针圆规 Pending CN103847362A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201210522946.5A CN103847362A (zh) 2012-12-08 2012-12-08 双画针圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201210522946.5A CN103847362A (zh) 2012-12-08 2012-12-08 双画针圆规

Publications (1)

Publication Number Publication Date
CN103847362A true CN103847362A (zh) 2014-06-11

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Family Applications (1)

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CN201210522946.5A Pending CN103847362A (zh) 2012-12-08 2012-12-08 双画针圆规

Country Status (1)

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CN (1) CN103847362A (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246088A (zh) * 2021-04-22 2021-08-13 青海西钢特殊钢科技开发有限公司 一种回轮式六角车床试样制备定位器

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113246088A (zh) * 2021-04-22 2021-08-13 青海西钢特殊钢科技开发有限公司 一种回轮式六角车床试样制备定位器
CN113246088B (zh) * 2021-04-22 2022-12-27 青海西钢特殊钢科技开发有限公司 一种回轮式六角车床试样制备定位器

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Application publication date: 20140611