CN102616062A - 多线迹粉笔 - Google Patents

多线迹粉笔 Download PDF

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Publication number
CN102616062A
CN102616062A CN2012101024610A CN201210102461A CN102616062A CN 102616062 A CN102616062 A CN 102616062A CN 2012101024610 A CN2012101024610 A CN 2012101024610A CN 201210102461 A CN201210102461 A CN 201210102461A CN 102616062 A CN102616062 A CN 102616062A
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stem
chalk
sleeve pipe
triangular
rings
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CN102616062B (zh
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曹枫
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Abstract

本发明公开了一种多线迹粉笔,包括一个芯柱(1),数个粉环(2),所述芯柱(1)为其中一面带齿(3)的三棱柱,所述粉环(2)中心有套管,所述套管之中心为三棱孔,所述套管其中一壁设置有止滑机构(4)。具有可以按所绘线条的数量,间距要求,任意在所述芯柱(1)上布置所述粉环(2)的数量并调整间距,同时绘出多条平行线之特点。

Description

多线迹粉笔
技术领域
本发明属于粉笔,更具体地说涉及一种多线迹粉笔。
背景技术
在音乐,外语,汉语拼音,造表等教学过程中,经常得在黑板上用粉笔绘多条平行线,用普通的柱状粉笔绘之,不但工作效率低,线条间的平行性也差,因此提供一种多线迹粉笔具有十分重要的意义。
发明内容
本发明的目的是克服现有技术的缺点提供一种多线迹粉笔。
本发明一种多线迹粉笔,包括一个芯柱,数个粉环,所述芯柱为其中一面带齿的三棱柱,所述粉环中心有套管,所述套管之中心为三棱孔,所述套管其中一壁设置有止滑机构。
本发明与现有技术相比较有如下有益效果:
可按所绘线条的数量,间距要求,任意在所述芯柱上布置所述粉环的数量并调整间距,由于所述芯柱为三棱柱,所述套管之中心为三棱孔,且所述套管其中一壁设置有止滑机构,因此,一旦所述粉环在所述芯柱定位,则所述粉环不会相对于所述芯柱滑动,转动,可以同时绘出多条平行线。
附图说明
图1是本发明粉笔的纵向剖视结构示意图。
图2是本发明粉笔的横向剖视结构示意图。
具体实施方式
下面结合附图对本发明作进一步的描述。
图1或图2所示,本发明一种多线迹粉笔,包括一个芯柱1,数个粉环2,所述芯柱1为其中一面带齿3的三棱柱,所述粉环2中心有套管,所述套管之中心为三棱孔,所述套管其中一壁设置有止滑机构4。虽然所述芯柱1可以是任意多棱柱,所述套管之中心可以是任意多棱孔,但只有是所述芯柱1为三棱柱,所述套管之中心为三棱孔,才能使在所述套管其中一壁设置止滑机构4的区域最大。
按所绘线条的数量,间距要求,任意在所述芯柱1上布置所述粉环2的数量并调整间距,由于所述芯柱1为三棱柱,所述套管之中心为三棱孔,且所述套管其中一壁设置有止滑机构4,因此,一旦所述粉环2在所述芯柱1定位,则所述粉环2不会相对于所述芯柱1滑动,转动,可以同时绘出多条平行线。
如受所述芯柱1长度限制,需要绘写的平行线条数大于所述粉环2的只数,则可用本发明粉笔二次或更多次完成,并擦去个别多余之线条。

Claims (1)

1.一种多线迹粉笔,包括一个芯柱(1),数个粉环(2),其特征在于,所述芯柱(1)为其中一面带齿(3)的三棱柱,所述粉环(2)中心有套管,所述套管之中心为三棱孔,所述套管其中一壁设置有止滑机构(4)。
CN201210102461.0A 2012-03-29 2012-03-29 多线迹粉笔 Expired - Fee Related CN102616062B (zh)

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CN102616062A true CN102616062A (zh) 2012-08-01
CN102616062B CN102616062B (zh) 2014-05-07

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2680296A (en) * 1952-12-05 1954-06-08 Cronberger Luther Carl Multiple crayon for drawing simultaneously a plurality of spaced parallel lines
DE10353821A1 (de) * 2003-11-18 2005-06-23 J. S. Staedtler Gmbh & Co. Kg Mine für Schreib-, Zeichen- oder Malgeräte
CN201951050U (zh) * 2011-04-05 2011-08-31 于荣 英语教学画线笔
CN202517913U (zh) * 2012-03-29 2012-11-07 曹枫 多线迹粉笔

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2680296A (en) * 1952-12-05 1954-06-08 Cronberger Luther Carl Multiple crayon for drawing simultaneously a plurality of spaced parallel lines
DE10353821A1 (de) * 2003-11-18 2005-06-23 J. S. Staedtler Gmbh & Co. Kg Mine für Schreib-, Zeichen- oder Malgeräte
CN201951050U (zh) * 2011-04-05 2011-08-31 于荣 英语教学画线笔
CN202517913U (zh) * 2012-03-29 2012-11-07 曹枫 多线迹粉笔

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