CN2258818Y - 一种推拉铅笔 - Google Patents

一种推拉铅笔 Download PDF

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Publication number
CN2258818Y
CN2258818Y CN 96221729 CN96221729U CN2258818Y CN 2258818 Y CN2258818 Y CN 2258818Y CN 96221729 CN96221729 CN 96221729 CN 96221729 U CN96221729 U CN 96221729U CN 2258818 Y CN2258818 Y CN 2258818Y
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pencil
model
utility
propelling pencil
penholder
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Expired - Fee Related
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CN 96221729
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詹瑞天
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Individual
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Individual
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Abstract

本实用新型涉及一种推拉铅笔,属于文具领域,它主要包括笔芯、芯套、笔杆,其结构特点是芯套的内侧面上设有规则排倒的弹性倒刺,笔芯制成与其弹性倒刺配合的圆台形状,依次排列在芯套内。该笔结构简单,使用方便,造价低,可节省大量木材,是值得推广的一种铅笔。

Description

一种推拉铅笔
本实用新型涉及一种推拉铅笔,属于文具领域。
现行的铅笔主要有两种,一种是木质的,要花费大量优质木材,使用时,儿童与削铅笔用的锋利器具接触多,造成不必要的手伤等,另一种是自动铅笔,其成本高,价格贵,且使用容易损坏。
本实用新型的目的是提供一种廉价、方便、安全、实用的推拉铅笔。
本实用新型是通过下列技术方案来实现的:
推拉铅笔主要包括笔芯、芯套、笔杆,其结构特点是处在笔杆内的芯套的内侧面上设有规则排列的弹性倒刺,笔芯制成与其弹性倒刺配合的圆台形状,依次倒列在芯套内。其笔杆可由纸材料卷成,也可由秸杆、蔗渣胶浆灌注制成。
下面结合附图对本实用新型作进一步描述。
图1为本实用新型结构示意图。
如图所示,推拉铅笔主要包括笔芯1、芯套2、笔杆3,其结构特点是处在笔杆3内的芯套2内侧面上设有规则排列的弹性倒刺4,其倒刺4与芯套内壁成30°角。笔芯为圆台形状,与倒刺4相配合,倒刺4在笔芯与笔芯之间弹起,使笔芯1只能向笔杆头顺行,不可逆行。从而构成一种推拉铅笔。该推拉铅笔的笔杆3的材料可由纸卷成,也可由秸杆、蔗渣胶浆灌注而成,可节约大量优质木材。
在本实用新型主体结构不变的情况下,还能作出其它各种实施例或对说明书中描述的实施例种种变更,但它们仍将属于本实用新型的范围。
从上述可知,本实用新型具有结构简单、使用方便、造价低、节省木材等优点。

Claims (2)

1、一种推拉铅笔,包括笔芯、芯套、笔杆,其特征在于:处在笔杆内的芯套的内侧面上设有规则排列的弹性倒刺,笔芯制成与其弹性倒刺配合的圆台形状,依次排列在芯套内。
2、接权利要求1所述的推拉铅笔,其特征在于:笔杆材料可由纸管卷成,也可由秸杆、蔗渣胶浆灌注构成。
CN 96221729 1996-09-01 1996-09-01 一种推拉铅笔 Expired - Fee Related CN2258818Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96221729 CN2258818Y (zh) 1996-09-01 1996-09-01 一种推拉铅笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96221729 CN2258818Y (zh) 1996-09-01 1996-09-01 一种推拉铅笔

Publications (1)

Publication Number Publication Date
CN2258818Y true CN2258818Y (zh) 1997-08-06

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Family Applications (1)

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CN 96221729 Expired - Fee Related CN2258818Y (zh) 1996-09-01 1996-09-01 一种推拉铅笔

Country Status (1)

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CN (1) CN2258818Y (zh)

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