CN203046583U - 伸缩型粉笔套筒 - Google Patents

伸缩型粉笔套筒 Download PDF

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Publication number
CN203046583U
CN203046583U CN 201320067994 CN201320067994U CN203046583U CN 203046583 U CN203046583 U CN 203046583U CN 201320067994 CN201320067994 CN 201320067994 CN 201320067994 U CN201320067994 U CN 201320067994U CN 203046583 U CN203046583 U CN 203046583U
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chalk
sleeve barrel
telescopic type
sleeve
chalk sleeve
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Expired - Fee Related
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CN 201320067994
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English (en)
Inventor
尹孟洁
夏传强
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Individual
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Individual
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Abstract

本实用新型公开了一种伸缩型粉笔套筒,涉及教具技术领域。其包括外套筒和内套筒,所述内、外套筒通过螺纹连接,所述内套筒内部形状与粉笔端部外形相吻合。本实用新型由于采用以上结构,具有防止粉笔对手造成腐蚀、节约使用粉笔的优点。

Description

伸缩型粉笔套筒
技术领域
本实用新型涉及教具技术领域,特别是涉及一粉笔套筒。
背景技术
现在教师使用普通粉笔板书,因手指直接接触粉笔,时间长了容易对手制造成腐蚀,另外粉笔较短时无法握持一般扔掉,造成浪费。
实用新型内容
本实用新型的目的是克服现有技术的不足,提供一种能防止粉笔对手制造成腐蚀、节约使用粉笔的粉笔套筒。
本实用新型伸缩型粉笔套筒包括外套筒和内套筒,所述内、外套筒通过螺纹连接,所述内套筒内部形状与粉笔端部外形相吻合。
本实用新型由于采用以上结构,使用时可根据粉笔的长短,通过旋转内外套筒更加节约使用粉笔,且不直接握持粉笔。因此,其具有防止粉笔对手制造成腐蚀、节约使用粉笔的优点。
附图说明
图1为本实用新型伸缩型粉笔套筒的结构示意图。
具体实施方式
下面结合附图对本实用新型作详细说明:
如图1所示,图中:1、内套筒,2、外套筒。
其包括外套筒和内套筒,所述内、外套筒通过螺纹连接,所述内套筒内部形状与粉笔端部外形相吻合。

Claims (1)

1.一种伸缩型粉笔套筒,其特征在于:包括外套筒和内套筒,所述内、外套筒通过螺纹连接,所述内套筒内部形状与粉笔端部外形相吻合。
CN 201320067994 2013-02-06 2013-02-06 伸缩型粉笔套筒 Expired - Fee Related CN203046583U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320067994 CN203046583U (zh) 2013-02-06 2013-02-06 伸缩型粉笔套筒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320067994 CN203046583U (zh) 2013-02-06 2013-02-06 伸缩型粉笔套筒

Publications (1)

Publication Number Publication Date
CN203046583U true CN203046583U (zh) 2013-07-10

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Family Applications (1)

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CN 201320067994 Expired - Fee Related CN203046583U (zh) 2013-02-06 2013-02-06 伸缩型粉笔套筒

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CN (1) CN203046583U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106142905A (zh) * 2016-09-13 2016-11-23 南宁市远才教育咨询有限公司 一种粉笔套
CN106313948A (zh) * 2016-09-13 2017-01-11 南宁市远才教育咨询有限公司 一种带激光镭射灯的粉笔套

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106142905A (zh) * 2016-09-13 2016-11-23 南宁市远才教育咨询有限公司 一种粉笔套
CN106313948A (zh) * 2016-09-13 2017-01-11 南宁市远才教育咨询有限公司 一种带激光镭射灯的粉笔套

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C17 Cessation of patent right
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Granted publication date: 20130710

Termination date: 20140206