CN2272814Y - 粉笔握 - Google Patents

粉笔握 Download PDF

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Publication number
CN2272814Y
CN2272814Y CN 96246627 CN96246627U CN2272814Y CN 2272814 Y CN2272814 Y CN 2272814Y CN 96246627 CN96246627 CN 96246627 CN 96246627 U CN96246627 U CN 96246627U CN 2272814 Y CN2272814 Y CN 2272814Y
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China
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chalk
inner sleeve
overcoat
utility
model
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Expired - Fee Related
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CN 96246627
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English (en)
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胡全军
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Individual
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Individual
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Priority to CN 96246627 priority Critical patent/CN2272814Y/zh
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Abstract

本实用新型公开了一种粉笔握,是由外套、内套、复位弹簧等构件组成。内套设置在外套内,复位弹簧套装在内套上。内套的前端有四个爪,粉笔放入内套里,由四爪卡紧。使用时使用者只需握持外套书写,不直接与粉笔接触,因而不会污染使用者的手和衣服;同时,粉笔放在内套面不易折断,短粉笔也可以继续使用,且一次可以同时放入两只粉笔,既节约了粉笔又节省了换笔时间。

Description

粉笔握
本实用新型涉及一种使用粉笔的附加装置。
目前,学校教师上课时,一般为直接手持粉笔在黑板上书写,极易使手和衣服受到污染;同时,教师在黑板上书写时粉笔容易折断,需要频繁的换粉笔,粉笔用到一定长度时,因不好握笔就要丢弃,造成一定的浪费。
本实用新型的目的是克服现有技术的不足,提供一种可使粉笔使用时不污染手和衣服,粉笔不易折断,且短粉笔也可使用的新型粉笔握。
本实用新型的目的是这样实现的:根据粉笔的形状,设计一种由外套、内套、复位弹簧等构件组成的粉笔握。内套的前端轴向开有四个槽,使前端成为四爪,四爪的中部向内凸起,可使粉笔卡紧;外套后端设有弹簧槽,内套设置在外套里,内套露出外套处有一定位台,复位弹簧套装在内套上,其后端固定在内套上。
本实用新型所述的内套上可设有一顶盖,以防止粉笔落出。
本实用新型是由外套、内套、复位弹簧等构件组成,结构简单。粉笔放入内套里,使用时使用者只需握持外套书写,不直接与粉笔接触,因而不会污染使用者的手和衣服;同时,粉笔放在内套面不易折断,短粉笔也可以继续使用,且一次可以同时放入两只粉笔,既节约了粉笔又节省了换笔时间。
结合附图及实施例对本实用新型作进一步描述:
附图1,本实用新型结构示意图;
如附图1所示,本实施例是由外套(1)、内套(2)、复位弹簧(3)等构件组成。内套(2)的前端轴向开有四个槽(23),使前端成为四爪(22),四爪(22)的中部向内凸起,可使粉笔卡紧;外套(1)后端设有弹簧槽(11),内套(2)设置在外套(1)里,内套(2)露出外套(1)处有一定位台(21);复位弹簧(3)套装在内套(2)上,其后端固定在内套(2)上。顶盖(4)套在内套(2)后端,以防止粉笔落出。
使用时,将粉笔装入内套(2)里,再盖上顶盖(4),轻轻向下推动顶盖(4),使内套(2)的四爪(22)露出外套(1),粉笔在自重的作用下向下移。移至所需长度时,停止下推,内套(2)在复位弹簧(3)的作用下向上复位,至内套(2)上的定位台(21)挡在外套(1)的入口端,同时四爪(22)中部凸起卡住粉笔,使其不会继续下移。

Claims (2)

1、一种粉笔握,其特征在于:是由外套、内套、复位弹簧等构件组成,内套的前端轴向开有四个槽,使前端成为四爪,四爪的中部向内凸起,外套后端设有弹簧槽,内套设置在外套里,内套露出外套处有一定位台,复位弹簧套装在内套上。
2、根据权利要求1所述的粉笔握,其特征在于:所述的内套上可设有一顶盖。
CN 96246627 1996-11-15 1996-11-15 粉笔握 Expired - Fee Related CN2272814Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96246627 CN2272814Y (zh) 1996-11-15 1996-11-15 粉笔握

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 96246627 CN2272814Y (zh) 1996-11-15 1996-11-15 粉笔握

Publications (1)

Publication Number Publication Date
CN2272814Y true CN2272814Y (zh) 1998-01-21

Family

ID=33919147

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 96246627 Expired - Fee Related CN2272814Y (zh) 1996-11-15 1996-11-15 粉笔握

Country Status (1)

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CN (1) CN2272814Y (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104960358A (zh) * 2015-07-08 2015-10-07 集美大学 一种可变式多功能粉笔套

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104960358A (zh) * 2015-07-08 2015-10-07 集美大学 一种可变式多功能粉笔套

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