CN2180485Y - 带修磨砂板卷笔刀 - Google Patents

带修磨砂板卷笔刀 Download PDF

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Publication number
CN2180485Y
CN2180485Y CN 93245487 CN93245487U CN2180485Y CN 2180485 Y CN2180485 Y CN 2180485Y CN 93245487 CN93245487 CN 93245487 CN 93245487 U CN93245487 U CN 93245487U CN 2180485 Y CN2180485 Y CN 2180485Y
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pencil sharpener
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knife rest
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CN 93245487
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赵伟亚
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Abstract

一种卷削铅笔用的带修磨铅芯砂板的卷笔刀。 主要由刀架(1)、刀片(5)及设置在与刀架(1)相连的 盖板(3)底面或刀架(1)A表面、B表面、C表面的修 磨砂板(2)构成。卷削铅笔时,由刀片(5)卷削成圆锥 体,笔芯保持原形,通过修磨砂板(2)修磨成所需锥 度。该卷笔刀结构简单,节约材料,卷削铅笔时无断 芯现象。

Description

本实用新型属于卷笔用的带修磨铅芯砂板的卷笔刀。
现有卷笔刀主要由刀架、刀片构成。此类卷笔刀由于卷削铅笔时笔尖形状尖锐,使用时易断折。因刀刃的接触面大,铅芯直径小、脆性大,使铅芯不能承受卷削扭矩,导致卷削时断芯现象,故铅笔材料浪费较大。
本实用新型的目的是在现有卷笔刀的基础上,设置修磨砂板的卷笔刀。
本实用新型的技术方案是:在刀架1呈锥体的卷削孔(4)上端面设置刀片(5),修磨砂板(2)设置在与刀架(1)相连的盖板(3)底面或设置在刀架(1)的A表面、B表面、C表面。当铅笔从卷削孔(4)的H端旋入,由刀片(5)卷削成圆锥体,笔芯保持原形,通过修靡砂板(2)修磨成所需形状及角度。
本实用新型所述的卷笔刀,不用刀片卷削笔芯,卷削铅笔时无断铅芯现象,该技术结构简单,节约材料。
图1,卷笔刀示意图;
图2,卷笔刀示意图;
图3,卷笔刀剖示图;
图4,卷笔刀示意图;
图5,卷笔刀示意图。
实施例1,参照图1按原有卷笔刀架(1)注塑成型,将刀片(5)用螺钉(6)固定在卷削孔(4)上,刃端离卷削孔(4)小端中心距离为铅芯半径,用万能胶将树脂砂布粘附在盖板(3)底端为修磨砂板(2),当卷削铅笔时,铅芯随着旋转修磨呈锥度。
实施例2,参照图2、3、4,刀片(5)设置与实施例1相同,修磨砂板(2)的树脂砂布用万能胶粘附在盖板(3)底端或刀架(1)A表面、B表面、C表面。
实施例3,参照图5,刀片(5)设置与实施例1相同,修磨砂板(2)的树脂砂布用万能胶粘附在与盖板(3)相配合的刀架(1)面上,盖板(3)前沿端呈一定角度,能使铅芯修磨成扁锥状。

Claims (1)

1、一种由刀架、刀片构成的卷笔刀,其特征在于刀架(1)呈锥体的卷削孔(4)上端面设置刀片(5),修磨砂板(2)设置在与刀架(1)相连的盖板(3)底面或设置在刀架(1)的A表面、B表面、C表面。
CN 93245487 1993-12-01 1993-12-01 带修磨砂板卷笔刀 Expired - Fee Related CN2180485Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93245487 CN2180485Y (zh) 1993-12-01 1993-12-01 带修磨砂板卷笔刀

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 93245487 CN2180485Y (zh) 1993-12-01 1993-12-01 带修磨砂板卷笔刀

Publications (1)

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CN2180485Y true CN2180485Y (zh) 1994-10-26

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CN 93245487 Expired - Fee Related CN2180485Y (zh) 1993-12-01 1993-12-01 带修磨砂板卷笔刀

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CN (1) CN2180485Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107351578A (zh) * 2017-06-27 2017-11-17 太仓市麦哲电子商务有限公司 一种新式卷笔刀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107351578A (zh) * 2017-06-27 2017-11-17 太仓市麦哲电子商务有限公司 一种新式卷笔刀

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