CN203236897U - 粉笔书写套筒 - Google Patents

粉笔书写套筒 Download PDF

Info

Publication number
CN203236897U
CN203236897U CN 201320141299 CN201320141299U CN203236897U CN 203236897 U CN203236897 U CN 203236897U CN 201320141299 CN201320141299 CN 201320141299 CN 201320141299 U CN201320141299 U CN 201320141299U CN 203236897 U CN203236897 U CN 203236897U
Authority
CN
China
Prior art keywords
chalk
sleeve
latch
advances
cover
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
CN 201320141299
Other languages
English (en)
Inventor
王伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
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
Application filed by Individual filed Critical Individual
Priority to CN 201320141299 priority Critical patent/CN203236897U/zh
Application granted granted Critical
Publication of CN203236897U publication Critical patent/CN203236897U/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Landscapes

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

Abstract

一种粉笔书写套筒,包括粉笔套筒,粉笔推进套二部分,粉笔套筒上设有卡口;粉笔推进套上设有卡齿;粉笔的头部插入粉笔推进套中;使用时大拇指推动卡齿,粉笔便伸出,转动卡齿,粉笔就会固定,使用方便,减少浪费。

Description

粉笔书写套筒
技术领域
本实用新型涉及一种粉笔书写套筒。
背景技术
目前,公知的粉笔是没有套筒的,它那容易折断,剩得较少时不好使用,浪费的情况相当严重。
发明内容
为了克服粉笔存在的不足,本实用新型提供一种粉笔书写套筒,使粉笔不易折断,再少的粉笔也像使用整支粉笔一样舒服。
本使用新型解决其技术问题所采取的方案是:一种粉笔书写套筒,包括粉笔套筒,粉笔推进套二部分,粉笔套筒上设有卡口;粉笔推进套上设有卡齿;粉笔的头部插入粉笔推进套中;使用时大拇指推动卡齿,粉笔便伸出,转动卡齿,粉笔就会固定。
本实用新型的有益效果是,使用方便,减少浪费。
附图说明
图1,是本实用新型的结构示意图。
图1中,1—粉笔套筒,2—粉笔推进套,3—卡口,4—卡齿,5—粉笔。
具体实施方式
如图1所示,一种粉笔书写套筒,包括粉笔套筒,粉笔推进套二部分,粉笔套筒1上设有卡口3;粉笔推进套2上设有卡齿4;粉笔5的头部插入粉笔推进套2中;使用时大拇指推动卡齿4,粉笔5便伸出,转动卡齿4,粉笔5就会固定。

Claims (1)

1.一种粉笔书写套筒,其特征是:包括粉笔套筒,粉笔推进套二部分,粉笔套筒(1)上设有卡口(3);粉笔推进套(2)上设有卡齿(4);粉笔(5)的头部插入粉笔推进套(2)中;使用时大拇指推动卡齿(4),粉笔(5)便伸出,转动卡齿(4),粉笔(5)就会固定。
CN 201320141299 2013-03-26 2013-03-26 粉笔书写套筒 Expired - Fee Related CN203236897U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320141299 CN203236897U (zh) 2013-03-26 2013-03-26 粉笔书写套筒

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320141299 CN203236897U (zh) 2013-03-26 2013-03-26 粉笔书写套筒

Publications (1)

Publication Number Publication Date
CN203236897U true CN203236897U (zh) 2013-10-16

Family

ID=49314223

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201320141299 Expired - Fee Related CN203236897U (zh) 2013-03-26 2013-03-26 粉笔书写套筒

Country Status (1)

Country Link
CN (1) CN203236897U (zh)

Similar Documents

Publication Publication Date Title
CN202698146U (zh) 可收纳指甲屑的指甲刀
CN203236897U (zh) 粉笔书写套筒
CN204472248U (zh) 多功能铅笔
CN204472356U (zh) 一种笔筒
CN204541122U (zh) 一种文具收纳板
CN202231976U (zh) 一种u盘
CN202456982U (zh) 一次性修甲刀
CN205075550U (zh) 一种多功能盆景笔筒
CN202944104U (zh) 一种防笔芯断裂卷笔刀
CN202445260U (zh) 携带u盘的拉链
CN202313048U (zh) 漱口水瓶
CN202174592U (zh) 一种肉斧
CN202098167U (zh) 荧光笔u盘
CN201907295U (zh) 新型粉笔套
CN203077943U (zh) 一种粉笔
CN201961032U (zh) 推动式橡皮擦
CN201913994U (zh) 高低笔筒
CN202702976U (zh) 导弹彩色铅笔
CN201967981U (zh) 带笔筒的文具盒
CN202439414U (zh) 一种自带备用笔芯的自动铅笔
CN202021577U (zh) 一种螺丝刀
CN202151969U (zh) 新型铅笔
CN203198497U (zh) 一种玩具铅笔
CN204878657U (zh) 一种用于齿轮箱的偏位轴芯
CN202151965U (zh) 多功能笔

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: 20131016

Termination date: 20140326