CN202428897U - 一种粉笔套 - Google Patents

一种粉笔套 Download PDF

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Publication number
CN202428897U
CN202428897U CN201220002050XU CN201220002050U CN202428897U CN 202428897 U CN202428897 U CN 202428897U CN 201220002050X U CN201220002050X U CN 201220002050XU CN 201220002050 U CN201220002050 U CN 201220002050U CN 202428897 U CN202428897 U CN 202428897U
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chalk
sleeve
inner sleeve
user
outer tube
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Expired - Fee Related
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CN201220002050XU
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English (en)
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张秋钰
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Individual
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Abstract

本实用新型涉及一种粉笔套,由外套管、内套管、滑块组成,所述内套管安放在外套管内,所述外套管一端开口一端封闭,所述内套管一端开口一端封闭,所述外套管有滑道,所述滑块与内套管固定。本实用新型所述的粉笔套,使用时手部部直接接触粉笔,有效地保护了使用者的手部皮肤,使用时,能使粉笔使用到最小,减少浪费,而且手上不会沾到大量的粉笔灰,不容易弄脏衣服。

Description

一种粉笔套
技术领域
本实用新型涉及教学用具,特别涉及一种粉笔套。
背景技术
目前,经常使用粉笔的老师们直接用手接触粉笔,时间长了,手上的水分会被粉笔带走,使手部皮肤容易干裂,而且使用后粉笔会大量的留在手上,容易将衣服弄脏。
实用新型内容
针对现有技术中存在的缺陷,本实用新型的目的在于提供一种结构简单、使用方便,保护手部皮肤,而且长度可调的粉笔套。
为达到以上目的,本实用新型采取的技术方案是:
一种粉笔套,由外套管、内套管、滑块组成,所述内套管安放在外套管内,所述外套管一端开口一端封闭,所述内套管一端开口一端封闭,所述外套管有滑道,所述滑块与内套管固定。
本实用新型所述的粉笔套,使用时手部部直接接触粉笔,有效地保护了使用者的手部皮肤,使用时,能使粉笔使用到最小,减少浪费,而且手上不会沾到大量的粉笔灰,不容易弄脏衣服。
附图说明
本实用新型有如下附图:
图1本实用新型结构示意图。
具体实施方式
以下结合附图对本实用新型作进一步详细说明。
如图1所示,本实用新型所述的一种粉笔套,由外套管3、内套管2、滑块4组成,所述内套管2安放在外套管3内,所述外套管3一端开口一端封闭,所述内套管2一端开口一端封闭,所述外套管3有滑道5,所述滑块4与内套管2固定。
使用时,把粉笔1放在内套管2内,当粉笔1使用的过短时,可以沿滑道5滑动滑块4使内套管2沿外套管3往外滑动。

Claims (1)

1.一种粉笔套,其特征是由外套管(3)、内套管(2)、滑块(4)组成,所述内套管(2)安放在外套管(3)内,所述外套管(3)一端开口一端封闭,所述内套管(2)一端开口一端封闭,所述外套管(3)有滑道(5),所述滑块(4)与内套管(2)固定。
CN201220002050XU 2012-01-05 2012-01-05 一种粉笔套 Expired - Fee Related CN202428897U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201220002050XU CN202428897U (zh) 2012-01-05 2012-01-05 一种粉笔套

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201220002050XU CN202428897U (zh) 2012-01-05 2012-01-05 一种粉笔套

Publications (1)

Publication Number Publication Date
CN202428897U true CN202428897U (zh) 2012-09-12

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Family Applications (1)

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CN201220002050XU Expired - Fee Related CN202428897U (zh) 2012-01-05 2012-01-05 一种粉笔套

Country Status (1)

Country Link
CN (1) CN202428897U (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106042723A (zh) * 2016-06-26 2016-10-26 钱煜琴 一种改进型粉笔套

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106042723A (zh) * 2016-06-26 2016-10-26 钱煜琴 一种改进型粉笔套
CN106042723B (zh) * 2016-06-26 2018-06-26 钱煜琴 一种改进型粉笔套

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120912

Termination date: 20130105