CN2478787Y - 实用笔芯 - Google Patents

实用笔芯 Download PDF

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Publication number
CN2478787Y
CN2478787Y CN 01221017 CN01221017U CN2478787Y CN 2478787 Y CN2478787 Y CN 2478787Y CN 01221017 CN01221017 CN 01221017 CN 01221017 U CN01221017 U CN 01221017U CN 2478787 Y CN2478787 Y CN 2478787Y
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China
Prior art keywords
practical
writing brush
piston
refill
nib
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Expired - Fee Related
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CN 01221017
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English (en)
Inventor
杨小林
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Individual
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Individual
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Priority to CN 01221017 priority Critical patent/CN2478787Y/zh
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Publication of CN2478787Y publication Critical patent/CN2478787Y/zh
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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

一种集拉头、拉线、活塞、透明笔管、笔头为一体的实用笔芯,其特征是:在透明笔管内装有活塞通过拉线连到外部的拉头上,在透明笔管底部刻有螺纹,可装取及调换笔头。本实用新型结构简单,充分利用了材料,而且成本低廉,市场前景很好,利于批量生产。

Description

实用笔芯
本实用新型提供了一种集拉头、拉线、活塞、透明笔管、笔头为一体的实用笔芯,属学习用品;具体涉及一种由拉头、拉线、活塞、透明笔管、笔头组成的实用笔芯。
目前,公知的笔芯只能用一次且一旦笔头有损就不能再使用,这样的笔芯不但浪费材料而且也不经济。
本实用新型的目的是:通过拉动活塞向透明笔管内抽入墨液,可反复使用,而且如果笔头受损可替换笔头,这样一来既经济又实用。
本实用新型是这样实现的:当笔管内的墨液要用完时,可转下笔头,将笔管伸入墨液瓶内,拉动活塞,抽入墨液;而且本实用新型配有三种笔头——0.7mm的、0.5mm的和0.3mm的,适合各种人写字的习惯。
由于采用上述方案,使笔芯更经济更实用。
下面结合附图和实施例对本实用新型进一步说明。
图1是实用笔芯的示意图;
图2是实用笔芯的笔管示意图;
图3是实用笔芯的笔头示意图。
1、拉头;2、拉线;3、透明笔管;4、护油皮;5、活塞;6、笔头;7、固定软皮圈。
在图1所示实施例中,当实用笔芯中的墨液用完后,拧下笔头(6),把透明笔管(3)伸入墨液瓶中,拉住拉头(1),通过拉线(2),拉动活塞(5),抽入墨液,拧上笔头(6)又可重新使用。若笔头(6)受损,则可拧下重换一个。
在图2所示实施例中,透明笔管(3)底部的固定软皮圈(7)起到密封的作用。
在图3所示实施例中,笔芯(6)配有三种头子——0.7mm的、0.5mm的和0.3mm的,适合不同人的使用习惯。

Claims (4)

1、一种集拉头、拉线、活塞、透明笔管、笔头为一体的实用笔芯,其特征是:在透明笔管内装有活塞通过拉线连到外部的拉头上,在透明笔管底部刻有螺纹,可装取及调换笔头。
2、根据权利要求1所述的实用笔芯,其特征是:在透明笔管(3)内装有活塞(5),活塞(5)上连有拉线(2)连到拉头(1)上。
3、根据权利要求1所述的实用笔芯,其特征是:在透明笔管(3)下部刻有螺纹且底部有固定软皮圈(7)。
4、根据权利要求1所述的实用笔芯,其特征是:笔芯(6)配有三种型号——0.7mm、0.5mm和0.3m的。
CN 01221017 2001-04-05 2001-04-05 实用笔芯 Expired - Fee Related CN2478787Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 01221017 CN2478787Y (zh) 2001-04-05 2001-04-05 实用笔芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 01221017 CN2478787Y (zh) 2001-04-05 2001-04-05 实用笔芯

Publications (1)

Publication Number Publication Date
CN2478787Y true CN2478787Y (zh) 2002-02-27

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Family Applications (1)

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CN 01221017 Expired - Fee Related CN2478787Y (zh) 2001-04-05 2001-04-05 实用笔芯

Country Status (1)

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CN (1) CN2478787Y (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317892A (zh) * 2013-07-05 2013-09-25 无锡商业职业技术学院 一种签字笔芯
CN105082827A (zh) * 2014-05-07 2015-11-25 董礼 长久便于写画的笔

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103317892A (zh) * 2013-07-05 2013-09-25 无锡商业职业技术学院 一种签字笔芯
CN105082827A (zh) * 2014-05-07 2015-11-25 董礼 长久便于写画的笔

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