CN201580099U - 大容量圆珠笔芯 - Google Patents

大容量圆珠笔芯 Download PDF

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Publication number
CN201580099U
CN201580099U CN2009202526020U CN200920252602U CN201580099U CN 201580099 U CN201580099 U CN 201580099U CN 2009202526020 U CN2009202526020 U CN 2009202526020U CN 200920252602 U CN200920252602 U CN 200920252602U CN 201580099 U CN201580099 U CN 201580099U
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refill
point pen
tube
ball
capacity
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Expired - Fee Related
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CN2009202526020U
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English (en)
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朱博源
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Individual
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Abstract

本实用新型涉及一种书写工具,具体说是一种大容量圆珠笔芯。包括芯管和安装在芯管末端的笔尖,其特征在于:所述芯管为螺旋管状,螺旋管的末端带有一段平行于螺旋管轴线的直管段,笔尖安装在直管段的末端。螺旋状的芯管延长了油墨容器的长度,增大了容积,而总体长度并没有增加,使用方便、寿命长。

Description

大容量圆珠笔芯
技术领域
本实用新型涉及一种书写工具,具体说是一种大容量圆珠笔芯。
背景技术
普通的圆珠笔芯由于受到长度和内径的限制,其中油墨的数量有限,直接影响了其使用寿命。如果通过增加长度的方法提高油墨的容量就会影响使用的方便性,而如果通过增加内径的方法增加容量又容易使油墨从开口处漏出。
发明内容
本实用新型的目的是提供一种结构新颖、油墨容量大、使用寿命长的大容量圆珠笔芯。
为实现上述目的,本实用新型采用以下技术方案:
本实用新型所述的大容量圆珠笔芯,包括芯管和安装在芯管末端的笔尖,其特征在于:所述芯管为螺旋管状,螺旋管的末端带有一段平行于螺旋管轴线的直管段,笔尖安装在直管段的末端。
采用上述结构以后,螺旋状的芯管延长了油墨容器的长度,增大了容积,而总体长度并没有增加,使用方便、寿命长。
附图说明
附图为本实用新型一种实施例的结构示意图。
具体实施方式
如附图所示,本实用新型所述的大容量圆珠笔芯包括芯管1和安装在芯管1末端的笔尖2,芯管1的直径和笔尖2的结构均可以采用现有圆珠笔芯的设计方案,以便于降低生产成本。所述芯管1为螺旋管状,螺旋管的末端带有一段平行于螺旋管轴线的直管段11,笔尖2安装在直管段11的末端。螺旋管的内腔可以是圆柱体,也可以是正三棱柱、四棱柱或者多边形柱体。使用的时候为了提高手持的舒适性,可以在螺旋管的内腔中插进一根与内腔形状相适应的笔杆5。

Claims (1)

1.大容量圆珠笔芯,包括芯管(1)和安装在芯管(1)末端的笔尖(2),其特征在于:所述芯管(1)为螺旋管状,螺旋管的末端带有一段平行于螺旋管轴线的直管段(11),笔尖(2)安装在直管段(11)的末端。
CN2009202526020U 2009-11-09 2009-11-09 大容量圆珠笔芯 Expired - Fee Related CN201580099U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009202526020U CN201580099U (zh) 2009-11-09 2009-11-09 大容量圆珠笔芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009202526020U CN201580099U (zh) 2009-11-09 2009-11-09 大容量圆珠笔芯

Publications (1)

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CN201580099U true CN201580099U (zh) 2010-09-15

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CN2009202526020U Expired - Fee Related CN201580099U (zh) 2009-11-09 2009-11-09 大容量圆珠笔芯

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CN (1) CN201580099U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103129217A (zh) * 2011-11-29 2013-06-05 靖大学 一种一体式圆珠笔

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103129217A (zh) * 2011-11-29 2013-06-05 靖大学 一种一体式圆珠笔

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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: 20100915

Termination date: 20111109