CN105522853A - 双画头圆规 - Google Patents

双画头圆规 Download PDF

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Publication number
CN105522853A
CN105522853A CN201410514486.0A CN201410514486A CN105522853A CN 105522853 A CN105522853 A CN 105522853A CN 201410514486 A CN201410514486 A CN 201410514486A CN 105522853 A CN105522853 A CN 105522853A
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CN201410514486.0A
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English (en)
Inventor
李世博
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Baokang Experimental Middle School
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Baokang Experimental Middle School
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Priority to CN201410514486.0A priority Critical patent/CN105522853A/zh
Publication of CN105522853A publication Critical patent/CN105522853A/zh
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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)
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Abstract

本发明提供一种双画头圆规,所述圆规在规杆上安装有可通过卡头调节的双头画杆,该双头画杆一端为铅芯尖,另一端是中性笔尖。使用时,可随画圆图的需要任意调节使用铅芯尖或中性笔尖使用。

Description

双画头圆规
技术领域
本发明涉及一种圆规,具体的说是一种双画头圆规。
背景技术
现在使用的各种圆规,都是只设一个画头的结构,而在实际工作中,会面临有时需画可修改遥铅芯画线,有时又需画出不允许修改的黑色线条,为此现在单一功能的圆规不能满足实际使用的要求。
发明内容
本发明提供一种双画头圆规,可随需要而调节画头使用。
本发明包括圆规的规杆,所采用的技术方案在于:所述圆规在规杆上安装有可通过卡头调节的双头画杆,该双头画杆一端为铅芯尖,另一端是中性笔尖。
本发明的有益效果在于:通过在一个圆规上设置可调换的两种画尖,由此可让使用者能随需要进行选择调整,有利圆规在使用上更符合实际要求。
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
图1所示:圆规在规杆1上安装有可通过卡头2调节的双头画杆3,该双头画杆3一端为铅芯尖4,另一端是中性笔尖5。

Claims (1)

1.一种双画头圆规,包括圆规的规杆(1),其特征在于:所述圆规在规杆(1)上安装有可通过卡头(2)调节的双头画杆(3),该双头画杆(3)一端为铅芯尖(4),另一端是中性笔尖(5)。
CN201410514486.0A 2014-09-30 2014-09-30 双画头圆规 Pending CN105522853A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410514486.0A CN105522853A (zh) 2014-09-30 2014-09-30 双画头圆规

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410514486.0A CN105522853A (zh) 2014-09-30 2014-09-30 双画头圆规

Publications (1)

Publication Number Publication Date
CN105522853A true CN105522853A (zh) 2016-04-27

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410514486.0A Pending CN105522853A (zh) 2014-09-30 2014-09-30 双画头圆规

Country Status (1)

Country Link
CN (1) CN105522853A (zh)

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Application publication date: 20160427