CN201824685U - 粉笔套筒 - Google Patents

粉笔套筒 Download PDF

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Publication number
CN201824685U
CN201824685U CN2010202811465U CN201020281146U CN201824685U CN 201824685 U CN201824685 U CN 201824685U CN 2010202811465 U CN2010202811465 U CN 2010202811465U CN 201020281146 U CN201020281146 U CN 201020281146U CN 201824685 U CN201824685 U CN 201824685U
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胡文钢
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Abstract

本实用新型公开了一种粉笔套筒属于教学办公用品，特别是一种夹粉笔的粉笔套筒。该粉笔套筒，其特征是：套筒前端为带有纵向伸缩缝的带有外螺纹的锥形套筒，锥形套筒外为带有内螺纹的锥形帽，套筒后端带有一个螺纹杆与套筒尾端的内螺纹连接，套筒中部装有磁铁。本实用新型的有益效果：使用时将粉笔置入套筒之中将锥形帽取下把粉笔放入锥形套筒中间，旋上螺纹帽套紧粉笔，当露出的粉笔头短了之后，松开螺纹帽，旋转螺纹杆将粉笔顶出一段距离，再旋紧锥形帽即可，套筒中部的磁铁可以将粉笔套筒吸附在黑板上防止丢失。使用本粉笔套筒既避免了粉笔折断又能避免教师手指与粉笔直接接触造成的不卫生，实用、环保，便于存放。

Description

粉笔套筒
技术领域
本实用新型属于教学办公用品，特别是一种夹粉笔的粉笔套筒。
背景技术
现在老师在日常教学中经常使用粉笔，经常会将手指弄脏，并且长的粉笔也经常会断掉，给老师的日常教学带来诸多不便。
实用新型内容
为了克服现在老师直接使用粉笔不卫生并且粉笔易折断的不足，本实用新型提供一种粉笔套筒，既能够防止粉笔折断、又能够避免粉笔直接接触教师的手指。
本实用新型解决其技术问题所采用的技术方案是：一种粉笔套筒，其特征是：套筒前端为带有纵向伸缩缝的带有外螺纹的锥形套筒，锥形套筒外为带有内螺纹的锥形帽，套筒后端带有一个螺纹杆与套筒尾端的内螺纹连接，套筒中部装有磁铁。
本实用新型的有益效果：使用时将粉笔置入套筒之中将锥形帽取下把粉笔放入锥形套筒中间，旋上螺纹帽套紧粉笔，当露出的粉笔头短了之后，松开螺纹帽，旋转螺纹杆将粉笔顶出一段距离，再旋紧锥形帽即可，套筒中部的磁铁可以将粉笔套筒吸附在黑板上防止丢失。使用本粉笔套筒既避免了粉笔折断又能避免教师手指与粉笔直接接触造成的不卫生，实用、环保，便于存放。
附图说明
图1为本实用新型的结构示意图，
图中，1.螺纹杆，2.套筒，3.锥形帽，4.锥形套筒，5.粉笔，6.磁铁。
具体实施方式
本实用新型的具体实施方式是，如图所示：
实施例1，一种粉笔套筒，其特征是：套筒2前端为带有纵向伸缩缝的带有外螺纹的锥形套筒4，锥形套筒外为带有内螺纹的锥形帽3，套筒后端带有一个螺纹杆1与套筒尾端的内螺纹连接，套筒中部装有磁铁6。

Claims (1)

1.一种粉笔套筒，其特征是：套筒前端为带有纵向伸缩缝的带有外螺纹的锥形套筒，锥形套筒外为带有内螺纹的锥形帽，套筒后端带有一个螺纹杆与套简尾端的内螺纹连接，套筒中部装有磁铁。
CN2010202811465U 2010-08-04 2010-08-04 粉笔套筒 Expired - Fee Related CN201824685U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010202811465U CN201824685U (zh) 2010-08-04 2010-08-04 粉笔套筒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010202811465U CN201824685U (zh) 2010-08-04 2010-08-04 粉笔套筒

Publications (1)

Publication Number Publication Date
CN201824685U true CN201824685U (zh) 2011-05-11

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CN2010202811465U Expired - Fee Related CN201824685U (zh) 2010-08-04 2010-08-04 粉笔套筒

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CN (1) CN201824685U (zh)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568641A (zh) * 2012-08-12 2014-02-12 张秭涵 粉笔戒指
CN106427300A (zh) * 2016-10-22 2017-02-22 钟贵洪 一种具有自动不会断的粉笔套

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103568641A (zh) * 2012-08-12 2014-02-12 张秭涵 粉笔戒指
CN106427300A (zh) * 2016-10-22 2017-02-22 钟贵洪 一种具有自动不会断的粉笔套

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Granted publication date: 20110511

Termination date: 20110804