CN104275964A - 自动粉笔套 - Google Patents

自动粉笔套 Download PDF

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Publication number
CN104275964A
CN104275964A CN201310278181.XA CN201310278181A CN104275964A CN 104275964 A CN104275964 A CN 104275964A CN 201310278181 A CN201310278181 A CN 201310278181A CN 104275964 A CN104275964 A CN 104275964A
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CN
China
Prior art keywords
chalk
piston
chalk sleeve
sleeve
automatic
Prior art date
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Pending
Application number
CN201310278181.XA
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English (en)
Inventor
章惠
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Individual
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Individual
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Publication date
Application filed by Individual filed Critical Individual
Priority to CN201310278181.XA priority Critical patent/CN104275964A/zh
Publication of CN104275964A publication Critical patent/CN104275964A/zh
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
    • B43K—IMPLEMENTS FOR WRITING OR DRAWING
    • B43K23/00—Holders or connectors for writing implements; Means for protecting the writing-points
    • B43K23/016—Holders for crayons or chalks

Landscapes

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

Abstract

一种自动粉笔套，包括粉笔套，粉笔套内安装活塞，活塞连接控制开关，控制开关安装在粉笔套的外面，活塞内安装粉笔。本发明在粉笔套内安装有活塞，活塞内安装粉笔，如同自动笔一样，这样老师就不用手直接拿粉笔，做到卫生很干净。

Description

自动粉笔套
一、技术领域
本发明涉及一种教学工具，具体地说涉及一种在粉笔套内安装有活塞，活塞内安装粉笔的自动粉笔套。
二、背景技术
在上课时经常看到老师上完课手上沾满粉笔灰，很难受，而且下课还要去洗，这样很不卫生。
三、发明内容
本发明的目的是克服现有技术的不足之处，提供一种在粉笔套内安装有活塞，活塞内安装粉笔的自动粉笔套。
本发明解决其技术问题所采用的技术方案是：一种自动粉笔套，包括粉笔套，粉笔套内安装活塞，活塞连接控制开关，控制开关安装在粉笔套的外面，活塞内安装粉笔。
本发明的有益效果是，在粉笔套内安装有活塞，活塞内安装粉笔，如同自动笔一样，这样老师就不用手直接拿粉笔，做到卫生很干净。
四、附图说明
下面结合附图和实施例，进一步说明本发明自动粉笔套的结构和特点，附图中：
图1是本发明的实施例一的结构图。
图中：1.粉笔套，2.活塞，3.控制开关，4.粉笔。
五、具体实施方式
在图1所示实施例中，设置有粉笔套(1)，活塞(2)，控制开关(3)，粉笔(4)。
实施本发明的自动粉笔套，包括粉笔套(1)，粉笔套(1)内安装活塞(2)，活塞(2)连接控制开关(3)，控制开关(3)安装在粉笔套(1)的外面，活塞(2)内安装粉笔(4)。
实施本发明的自动粉笔套，在粉笔套内安装有活塞，活塞内安装粉笔，如同自动笔一样，这样老师就不用手直接拿粉笔，做到卫生很干净。
实施本发明，效果很好。

Claims (1)

1.一种自动粉笔套，包括粉笔套(1)，其特征在于，在所述粉笔套(1)内安装活塞(2)，活塞(2)连接控制开关(3)，控制开关(3)安装在粉笔套(1)的外面，活塞(2)内安装粉笔(4)。
CN201310278181.XA 2013-07-03 2013-07-03 自动粉笔套 Pending CN104275964A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310278181.XA CN104275964A (zh) 2013-07-03 2013-07-03 自动粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310278181.XA CN104275964A (zh) 2013-07-03 2013-07-03 自动粉笔套

Publications (1)

Publication Number Publication Date
CN104275964A true CN104275964A (zh) 2015-01-14

Family

ID=52251513

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201310278181.XA Pending CN104275964A (zh) 2013-07-03 2013-07-03 自动粉笔套

Country Status (1)

Country Link
CN (1) CN104275964A (zh)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277905A (en) * 1993-05-11 1994-11-16 Grogan John J Sleeve for chalk
CN2693480Y (zh) * 2004-04-05 2005-04-20 邓宗明 半自动粉笔套
CN202088713U (zh) * 2011-05-27 2011-12-28 杨羽丰 一种便利粉笔套

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2277905A (en) * 1993-05-11 1994-11-16 Grogan John J Sleeve for chalk
CN2693480Y (zh) * 2004-04-05 2005-04-20 邓宗明 半自动粉笔套
CN202088713U (zh) * 2011-05-27 2011-12-28 杨羽丰 一种便利粉笔套

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