CN2272813Y - 铅笔 - Google Patents

铅笔 Download PDF

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Publication number
CN2272813Y
CN2272813Y CN 96240168 CN96240168U CN2272813Y CN 2272813 Y CN2272813 Y CN 2272813Y CN 96240168 CN96240168 CN 96240168 CN 96240168 U CN96240168 U CN 96240168U CN 2272813 Y CN2272813 Y CN 2272813Y
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China
Prior art keywords
pencil
jacket
thread
prismatic
lead
Prior art date
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Expired - Fee Related
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CN 96240168
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English (en)
Inventor
魏守琳
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Individual
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Individual
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Priority to CN 96240168 priority Critical patent/CN2272813Y/zh
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Publication of CN2272813Y publication Critical patent/CN2272813Y/zh
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Expired - Fee Related legal-status Critical Current

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Abstract

一种铅笔,铅笔芯装在螺纹外套和锥形外套里,棱形套扭在螺纹外套上。棱形套内有笔芯顶,能把铅笔芯顶住,不让铅笔芯上下移动。当铅笔芯需要往前移动时,扭动棱形外套,笔芯顶就会把铅笔芯顶出。本实用新型使用时只削铅笔芯,而不削外套,这样能节约材料。

Description

铅笔
本实用新型属于笔类。
市场上有一种用木材和铅笔芯组合的铅笔,这种铅笔使用时要削木材,显得比较浪费。
本实用新型的目的是为了提供一种铅笔,使用时它只削铅笔芯,而不用削外套。
本实用新型的目的是这样实现的:铅笔芯装在螺纹外套和锥形外套里,棱形套扭在螺纹外套上,棱形套内有笔芯顶,它把铅笔芯顶住,不让铅笔芯上下移动,当铅笔芯需要往前移动时,扭动棱形套,笔芯顶就会把铅笔芯顶出。螺纹外套和锥形外套由螺纹连接在一起,在锥形外套里有胶皮垫圈,它是为了增加摩擦力,不让铅笔芯从锥形外套的尖部滑出。
由于本实用新型使用时只削铅笔芯,而不用削外套,这样能节约材料;又由于铅笔芯需要往前移动时,只要据动棱形套即可,因而本实用新型使用方便。
下面结合附图和实施例对本实用新型做进一步说明:
图1是本实用新型的外观图。
图2是本实用新型的结构图。
在图1中,铅笔芯(1)装在螺纹外套(2)和锥形外套(3)里,在螺纹外套(2)上有螺纹(4),棱形套(5)内有螺纹,它能扭在螺纹外套(2)上。在图2中,锥形外套(3)里有内螺纹孔(6),并垫有胶皮垫圈(7),用以增加铅笔芯(1)与整个外套的摩擦力,使其不会自动移动。在螺纹外套(2)的前部有外螺纹孔(8),通过内螺纹孔(6)和外螺纹孔(8)把锥形外套(3)和螺纹外套(2)连接在一起。螺纹外套(2)内有通道(9),用于装铅笔芯(1)。棱形套(5)内有笔芯顶(10),它能把铅笔芯(1)顶住,这样写字时,使铅笔芯(1)不会移动。棱形套(5)为棱形,这样使铅笔不会从桌面上滚下来。
螺纹外套(2)、锥形外套(3)、棱形套(5)可由塑料、铝合金、钢制造。

Claims (2)

1、一种铅笔,铅笔芯装在外套里,其特征是:锥形外套(3)里有螺纹孔(6),并垫有胶皮垫圈(7),在螺纹外套(2)的前部有外螺纹孔(8)和内部有通道(9),在棱形套(5)内有螺纹能扭在螺纹外套(2)上,其内还有笔芯顶(10)。
2、根据权利要求1所述的铅笔,其特征是:螺纹外套(2)、锥形外套(3)、棱形套(5)可由塑料、铝合金、钢制造。
CN 96240168 1996-09-15 1996-09-15 铅笔 Expired - Fee Related CN2272813Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96240168 CN2272813Y (zh) 1996-09-15 1996-09-15 铅笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96240168 CN2272813Y (zh) 1996-09-15 1996-09-15 铅笔

Publications (1)

Publication Number Publication Date
CN2272813Y true CN2272813Y (zh) 1998-01-21

Family

ID=33914985

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96240168 Expired - Fee Related CN2272813Y (zh) 1996-09-15 1996-09-15 铅笔

Country Status (1)

Country Link
CN (1) CN2272813Y (zh)

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C19 Lapse of patent right due to non-payment of the annual fee
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