CN2215417Y - 不断铅转笔刀 - Google Patents

不断铅转笔刀 Download PDF

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Publication number
CN2215417Y
CN2215417Y CN 94235645 CN94235645U CN2215417Y CN 2215417 Y CN2215417 Y CN 2215417Y CN 94235645 CN94235645 CN 94235645 CN 94235645 U CN94235645 U CN 94235645U CN 2215417 Y CN2215417 Y CN 2215417Y
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China
Prior art keywords
utility
model
lead
pencil
blades
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Expired - Fee Related
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CN 94235645
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English (en)
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王正铉
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Individual
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Individual
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Priority to CN 94235645 priority Critical patent/CN2215417Y/zh
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Abstract

一种不断铅转笔刀,包括一刀架(1),它的内部有 一直长圆管(2)及与之连通的锥形腔,用螺丝将刀片 紧固在刀架(1)上,使其刃口位于锥形腔的锥面上,其 特征是它有两刀片(4)和(5)。本实用新型采用双切 削从根本上解决了单切削转笔刀易断铅的缺点。

Description

本实用新型涉及一种书写或绘图辅助用品,更确切地说涉及一种铅笔削尖装置。
目前,市场上有一种铅笔在其中主要是通过相对于切削片作旋转运动而削尖的装置,它只装有一个切削刀片,既切削铅笔的木质部分,也切削铅芯部分,由于这两者用同一刀片切削,不能分开,故很容易将铅芯弄断。
本实用新型的目的是提供一种不断铅转笔刀,它有两个刀片,可将切削木质和切削铅芯基本上分开,故能弥补现有装置的上述不足。
本实用新型包括一个刀架、刀架内有一个使铅笔定向的直长圆管及与之连通的锥形腔,用螺丝将刀片紧固在刀架上,并使其刃口位于锥形腔的锥面上,其特征是它有两个刀片。
本实用新型采用双切削从根本上解决了单切削转笔刀易断铅的缺点。
下面通过实施例和附图进一步说明本实用新型。
附图1为本实用新型的主视结构示意图。
附图2为其右视图。
附图3为其左视图。
本实用新型包括一个刀架(1),其右边部分有一个使铅笔定向的直长圆管(2),再往刀架(1)里边是一个与直长圆管(2)连通的并且是同轴心的圆锥形的切削槽,由后者再向左伸延就是一个笔芯通孔(6),通到刀架(1)之外,刀片(4)和(5)分别通过紧固螺丝(3)和(7)固定在刀架(1),其刃口均在圆锥形切削槽的锥面上,使其开始切削时主要由刀片(4)切削铅笔的木质部分后来主要由刀片(5)切削铅芯部分。
使用本实用新型时,待修削的铅笔由右边的直长圆管(2)进入刀架(1)内,当其向左旋进入切削槽时,铅笔的木质部分主要被刀片(4)的刃口切削成锥状,进一步向左旋进,铅芯主要被刀片(5)的刃口削成锥状,切削铅芯时用力要小,这样就能避免断铅。
本实用新型的刀架外形可以美化,例如作成某种动物形状。

Claims (1)

1、一种不断铅转笔刀,包括一刀架(1),它的内部有一直长圆管(2)及与之连通的锥形腔,用螺丝将刀片紧固在刀架(1)上。使其刃口位于锥形腔的锥面上,其特征是它有两刀片(4)和(5)。
CN 94235645 1994-10-23 1994-10-23 不断铅转笔刀 Expired - Fee Related CN2215417Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 94235645 CN2215417Y (zh) 1994-10-23 1994-10-23 不断铅转笔刀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 94235645 CN2215417Y (zh) 1994-10-23 1994-10-23 不断铅转笔刀

Publications (1)

Publication Number Publication Date
CN2215417Y true CN2215417Y (zh) 1995-12-20

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ID=33843850

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 94235645 Expired - Fee Related CN2215417Y (zh) 1994-10-23 1994-10-23 不断铅转笔刀

Country Status (1)

Country Link
CN (1) CN2215417Y (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012045271A1 (en) * 2010-10-08 2012-04-12 Guanghui Tong Pencil sharpener with dual blades
CN103101374A (zh) * 2012-12-21 2013-05-15 王正铉 单孔双切削刃斜对称式笔芯不断转笔刀
CN105479993A (zh) * 2016-01-12 2016-04-13 杨栩 一种加工双角度铅笔尖的铅笔刀
CN110065331A (zh) * 2019-03-25 2019-07-30 蔡婕 一种刀片式卷笔器的双刀片刃具

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012045271A1 (en) * 2010-10-08 2012-04-12 Guanghui Tong Pencil sharpener with dual blades
CN103101374A (zh) * 2012-12-21 2013-05-15 王正铉 单孔双切削刃斜对称式笔芯不断转笔刀
CN105479993A (zh) * 2016-01-12 2016-04-13 杨栩 一种加工双角度铅笔尖的铅笔刀
CN110065331A (zh) * 2019-03-25 2019-07-30 蔡婕 一种刀片式卷笔器的双刀片刃具

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