CN202337150U - 一种卫生型黑板擦 - Google Patents

一种卫生型黑板擦 Download PDF

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Publication number
CN202337150U
CN202337150U CN2011204499913U CN201120449991U CN202337150U CN 202337150 U CN202337150 U CN 202337150U CN 2011204499913 U CN2011204499913 U CN 2011204499913U CN 201120449991 U CN201120449991 U CN 201120449991U CN 202337150 U CN202337150 U CN 202337150U
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blackboard eraser
box body
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compression spring
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王红阳
许健成
谢正明
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China University of Mining and Technology CUMT
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China University of Mining and Technology CUMT
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Abstract

一种卫生型黑板擦，它涉及教学用具领域。它由黑板擦盒体(1)、伸缩杆(2)、粉尘收纳装置(3)和压缩弹簧(4)组成，黑板擦盒体(1)尾部与伸缩杆(2)相连，黑板擦盒体(1)内壁设置有压缩弹簧(4)，黑板擦盒体(1)与黑板擦绒毛相连处设置有粉尘收纳装置(3)。它能方便擦掉黑板高处的粉笔灰，且便于收纳擦掉的粉尘。

Description

一种卫生型黑板擦
技术领域：
本实用新型涉及教学用具领域，尤其涉及一种卫生型黑板擦。
背景技术：
黑板擦个体小，所擦范围不大，对于身高较矮的学生老师使用起来相当不便，而且在擦黑板的时候，粉笔灰也会从黑板擦的绒毛上掉落，很容易落到人们的眼睛里，也易被人吸到呼吸道内，不利于人们的身体健康。
发明内容：
本实用新型的目的是提供一种卫生型黑板擦，它能方便擦掉黑板高处的粉笔灰，且便于收纳擦掉的粉尘。
为了解决背景技术所存在的问题，本实用新型是采用以下技术方案：它由黑板擦盒体1、伸缩杆2、粉尘收纳装置3和压缩弹簧4组成，黑板擦盒体1尾部与伸缩杆2相连，黑板擦盒体1内壁设置有压缩弹簧4，黑板擦盒体1与黑板擦绒毛相连处设置有粉尘收纳装置3。
本具体实施方式的伸缩杆可收入黑板擦盒体内部，伸缩杆采用塑料等轻质材料制成，同时在黑板擦盒体内部设置伸缩弹簧，黑板擦外沾有粉末部分的绒毛端可以经压缩弹簧将粉末倒入黑板擦盒体内部，再通过伸缩杆空倒掉，防止扬粉尘。
本实用新型它能方便擦掉黑板高处的粉笔灰，且便于收纳擦掉的粉尘。
附图说明：
图1为本实用新型的结构示意图。
具体实施方式：
参照图1，本具体实施方式采用以下技术方案：它由黑板擦盒体1、伸缩杆2、粉尘收纳装置3和压缩弹簧4组成，黑板擦盒体1尾部与伸缩杆2相连，黑板擦盒体1内壁设置有压缩弹簧4，黑板擦盒体1与黑板擦绒毛相连处设置有粉尘收纳装置3。
本具体实施方式的伸缩杆可收入黑板擦盒体内部，伸缩杆采用塑料等轻质材料制成，同时在黑板擦盒体内部设置伸缩弹簧，黑板擦外沾有粉末部分的绒毛端可以经压缩弹簧将粉末倒入黑板擦盒体内部，再通过伸缩杆空倒掉，防止扬粉尘。
本具体实施方式它能方便擦掉黑板高处的粉笔灰，且便于收纳擦掉的粉尘。

Claims (1)

1.一种卫生型黑板擦，其特征在于它由黑板擦盒体(1)、伸缩杆(2)、粉尘收纳装置(3)和压缩弹簧(4)组成，黑板擦盒体(1)尾部与伸缩杆(2)相连，黑板擦盒体(1)内壁设置有压缩弹簧(4)，黑板擦盒体(1)与黑板擦绒毛相连处设置有粉尘收纳装置(3)。
CN2011204499913U 2011-11-03 2011-11-03 一种卫生型黑板擦 Expired - Fee Related CN202337150U (zh)

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CN202337150U true CN202337150U (zh) 2012-07-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107139620A (zh) * 2017-07-04 2017-09-08 无锡市南长街小学 一种伸缩式卫生型黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107139620A (zh) * 2017-07-04 2017-09-08 无锡市南长街小学 一种伸缩式卫生型黑板擦

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Granted publication date: 20120718

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