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CN201240160Y - 粉笔器 - Google Patents

粉笔器 Download PDF

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Publication number
CN201240160Y
CN201240160Y CNU2008200687803U CN200820068780U CN201240160Y CN 201240160 Y CN201240160 Y CN 201240160Y CN U2008200687803 U CNU2008200687803 U CN U2008200687803U CN 200820068780 U CN200820068780 U CN 200820068780U CN 201240160 Y CN201240160 Y CN 201240160Y
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CN
China
Prior art keywords
chalk
sleeve pipe
screw rod
utility
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNU2008200687803U
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English (en)
Inventor
郭俊哲
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CNU2008200687803U priority Critical patent/CN201240160Y/zh
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Publication of CN201240160Y publication Critical patent/CN201240160Y/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

本实用新型公开了一种粉笔器,包括套管,套管内设有螺杆,螺杆与套管配合。本实用新型可使手指不直接接触粉笔,且粉笔头可再利用。

Description

粉笔器
技术领域
本实用新型涉及一种粉笔套,尤其是一种可将粉笔头套上再使用的粉笔器。
背景技术
粉笔头因为不方便手指握书写,常常被丢弃,另外粉笔直接用手指拿书写,手指上会粘满笔灰。
发明内容
本实用新型的目的就是要提供一种手指不直接接触粉笔,且粉笔头可再利用的粉笔器。
本实用新型的目的是这样实现的:一种粉笔器,包括套管,套管内设有螺杆,螺杆与套管配合。
本实用新型由于采用上述结构,使手指不会直接接触粉笔,并且可使粉笔头再利用。
附图说明
下面结合附图和具体实施方式作进一步说明。
图1是本实用新型的结构示意图。
具体实施方式
本实用新型的结构包括:一种粉笔器,包括套管1,套管1内设有螺杆2,螺杆2与套管1配合。
使用时将螺杆2旋转退至套管1一部分,将粉笔装入套管1内露出部分粉笔,拧紧螺杆2固定粉笔即可书写,当露出部分即将写完时,再拧螺杆2使粉笔露出套管,如此反复。套管1和螺杆2均可采用塑料。

Claims (1)

1、一种粉笔器,包括套管(1),其特征在于:套管(1)内设有螺杆(2),螺杆(2)与套管(1)配合。
CNU2008200687803U 2008-07-28 2008-07-28 粉笔器 Expired - Fee Related CN201240160Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008200687803U CN201240160Y (zh) 2008-07-28 2008-07-28 粉笔器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008200687803U CN201240160Y (zh) 2008-07-28 2008-07-28 粉笔器

Publications (1)

Publication Number Publication Date
CN201240160Y true CN201240160Y (zh) 2009-05-20

Family

ID=40713449

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008200687803U Expired - Fee Related CN201240160Y (zh) 2008-07-28 2008-07-28 粉笔器

Country Status (1)

Country Link
CN (1) CN201240160Y (zh)

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Legal Events

Date Code Title Description
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: 20090520