CN202413052U - 自动替芯粉笔 - Google Patents

自动替芯粉笔 Download PDF

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Publication number
CN202413052U
CN202413052U CN2011205662077U CN201120566207U CN202413052U CN 202413052 U CN202413052 U CN 202413052U CN 2011205662077 U CN2011205662077 U CN 2011205662077U CN 201120566207 U CN201120566207 U CN 201120566207U CN 202413052 U CN202413052 U CN 202413052U
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China
Prior art keywords
chalk
pen body
replacement function
automatic core
core replacement
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Expired - Fee Related
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CN2011205662077U
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English (en)
Inventor
林强
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Individual
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Individual
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Priority to CN2011205662077U priority Critical patent/CN202413052U/zh
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Publication of CN202413052U publication Critical patent/CN202413052U/zh
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Expired - Fee Related legal-status Critical Current

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Abstract

一种自动替芯粉笔,包括:粉笔套笔体(1),粉笔套笔体(1)内装有粉笔(2),粉笔套笔体(1)上部按钮(3)通过弹簧和粉笔套笔体(1)相连。其优点是:将粉笔装入粉笔套笔体内,按下按钮,使粉笔从笔尖露出适当长度,即可握住笔身进行板书,避免手部沾染粉笔灰,结构简单,使用快捷、卫生、方便。

Description

自动替芯粉笔
技术领域
本实用新型涉及教学用品技术领域,具体的说是一种自动替芯粉笔。
背景技术
目前教学都是手部直接握住粉笔使用,粉笔灰容易脏手,手部再接触其他物品也会造成污染,而且粉笔灰对人的皮肤也具有腐蚀性,长期这样使用特别是对老师的身体健康不利。
实用新型内容
本实用新型的目的是提供一种握住笔身即可板书、手部不会沾染粉笔灰的自动替芯粉笔。
本实用新型自动替芯粉笔,包括:粉笔套笔体1,粉笔套笔体1内装有粉笔2,粉笔套笔体1上部按钮3通过弹簧和粉笔套笔体1相连。
本实用新型自动替芯粉笔的优点是:将粉笔装入粉笔套笔体内,按下按钮,使粉笔从笔尖露出适当长度,即可握住笔身进行板书,避免手部沾染粉笔灰,结构简单,使用快捷、卫生、方便。
附图说明
图1为自动替芯粉笔的结构示意图。
具体实施方式
下面结合附图,对本实用新型进行进一步说明:根据图1所示,一种自动替芯粉笔,包括:粉笔套笔体1,粉笔套笔体1内装有粉笔2,粉笔套笔体1上部按钮3通过弹簧和粉笔套笔体1相连。粉笔套笔体1的结构和工作原理与市场上销售的自动铅笔的结构和工作原理一样。

Claims (1)

1.一种自动替芯粉笔,包括:粉笔套笔体(1),其特征在于:粉笔套笔体(1)内装有粉笔(2),粉笔套笔体(1)上部按钮(3)通过弹簧和粉笔套笔体(1)相连。
CN2011205662077U 2011-12-30 2011-12-30 自动替芯粉笔 Expired - Fee Related CN202413052U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205662077U CN202413052U (zh) 2011-12-30 2011-12-30 自动替芯粉笔

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205662077U CN202413052U (zh) 2011-12-30 2011-12-30 自动替芯粉笔

Publications (1)

Publication Number Publication Date
CN202413052U true CN202413052U (zh) 2012-09-05

Family

ID=46737840

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205662077U Expired - Fee Related CN202413052U (zh) 2011-12-30 2011-12-30 自动替芯粉笔

Country Status (1)

Country Link
CN (1) CN202413052U (zh)

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120905

Termination date: 20121230