CN2242181Y - 铅笔头套杆 - Google Patents

铅笔头套杆 Download PDF

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Publication number
CN2242181Y
CN2242181Y CN 95223716 CN95223716U CN2242181Y CN 2242181 Y CN2242181 Y CN 2242181Y CN 95223716 CN95223716 CN 95223716 CN 95223716 U CN95223716 U CN 95223716U CN 2242181 Y CN2242181 Y CN 2242181Y
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China
Prior art keywords
pencil stub
loop bar
push rod
pencil
utility
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Expired - Fee Related
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CN 95223716
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English (en)
Inventor
林慧学
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Individual
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Individual
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Priority to CN 95223716 priority Critical patent/CN2242181Y/zh
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Publication of CN2242181Y publication Critical patent/CN2242181Y/zh
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Expired - Fee Related legal-status Critical Current

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  • Mechanical Pencils And Projecting And Retracting Systems Therefor, And Multi-System Writing Instruments (AREA)

Abstract

本实用新型公开了一种铅笔头套杆,套杆下端加工有套孔,上端设置有顶杆。使用时,将铅笔头插入套杆套孔中即可使用;更换铅笔头时,只须按压顶杆,铅笔头便可退出。本实用新型结构简单、实用,提高了铅笔头的利用率。

Description

铅笔头套杆
本实用新型涉及一种文教用具,特别涉及一种铅笔头套杆。
铅笔作为一种书写工具,目前仍被广泛使用,但在铅笔用到只剩下小半截时,由于手握不住笔,无法继续使用,弃之又浪费。经检索有关文献,尚未发现有与本实用新型相同或相似的记载。
本实用新型的目的就是提供一种能将小铅笔头充分利用的辅助用具——铅笔头套杆。
本实用新型的技术解决方案是:设计一种下端加工有套孔的套杆,在套杆内设置顶杆,顶杆外部套装有复位弹簧,套杆上端套接有套杆帽,顶杆从套杆帽的中心孔中穿出。
本实用新型结构简单,生产便捷,可以大大提高铅笔头的利用率,避免了浪费,具有实用、经济的特点。
图1是本实用新型的结构主视图;
图2是本实用新型的结构左视图。
参照附图,本实用新型可采用塑料压制成型。套杆1的下端加工有套孔2,内部设置有顶杆5,在顶杆5的中上部处外套有起复位作用的弹簧3,套杆1的上端套接有开有中心孔的套杆帽4,顶杆5的上部从该孔中穿出。使用时,将铅笔头插入套孔2中即可;更换铅笔头时,按压顶杆5,将铅笔头顶出,顶杆5在弹簧3的作用下复位,插入新的铅笔头就可继续使用。

Claims (1)

1、一种铅笔头套杆,其特征在于套杆(1)内设置有顶杆(5),在顶杆(5)的外部套装有起复位作用的弹簧(3),套杆(1)的下端加工有套孔(2),上端套接有套杆帽(4),套杆帽(4)开有中心孔,顶杆(5)从该孔中穿出。
CN 95223716 1995-09-29 1995-09-29 铅笔头套杆 Expired - Fee Related CN2242181Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 95223716 CN2242181Y (zh) 1995-09-29 1995-09-29 铅笔头套杆

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 95223716 CN2242181Y (zh) 1995-09-29 1995-09-29 铅笔头套杆

Publications (1)

Publication Number Publication Date
CN2242181Y true CN2242181Y (zh) 1996-12-11

Family

ID=33870693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 95223716 Expired - Fee Related CN2242181Y (zh) 1995-09-29 1995-09-29 铅笔头套杆

Country Status (1)

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CN (1) CN2242181Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113080600A (zh) * 2021-02-22 2021-07-09 中南大学湘雅医院 一种基于新能源的按压式换头型眼线笔

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113080600A (zh) * 2021-02-22 2021-07-09 中南大学湘雅医院 一种基于新能源的按压式换头型眼线笔

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