CN202399749U - 无尘黑板 - Google Patents

无尘黑板 Download PDF

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Publication number
CN202399749U
CN202399749U CN2011205098811U CN201120509881U CN202399749U CN 202399749 U CN202399749 U CN 202399749U CN 2011205098811 U CN2011205098811 U CN 2011205098811U CN 201120509881 U CN201120509881 U CN 201120509881U CN 202399749 U CN202399749 U CN 202399749U
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blackboard
interlayer
dust
suction fan
induced
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CN2011205098811U
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李子沛
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Abstract

一种无尘黑板,包括黑板(1),与黑板(1)夹层连通的上、下凸边上有吸粉孔(2),黑板(1)夹层的后板上装有吸风机(3),吸风机(3)和吸尘袋(6)相连,黑板夹层内下沿为可卸下的接粉槽(4),开关(5)装在黑板边上用导线与吸风机(3)相连。优点是:打开吸风机后,粉笔灰可被吸入黑板夹层中落到接粉槽,使粉笔灰不会到处乱飞,影响老师和学生的身体健康。

Description

无尘黑板
技术领域
本实用新型涉及教学用品技术领域,具体地说是一种无尘黑板。
背景技术
现在越来越多的老师因上课用粉笔板书时吸入大量的粉笔灰,而损害了身体健康。
发明内容
本实用新型的目的是设计一种老师擦黑板时,粉笔灰不会到处飘的无尘黑板。
本实用新型无尘黑板,包括:黑板1,与黑板1夹层连通的上、下凸边上有吸粉孔2,黑板1夹层的后板上装有吸风机3,吸风机3和吸尘袋6相连,黑板夹层内下沿为可卸下的接粉槽4,开关5装在黑板边上用导线与吸风机3相连。
本实用新型无尘黑板的优点是:打开吸风机后,粉笔灰收到吸尘袋中,没有被吸入的落到黑板夹层中的接粉槽中,使粉笔灰不会到处乱飞,影响老师和学生的身体健康。
附图说明
图1为本实用新型无尘黑板结构示意图。
图2为为本实用新型无尘黑板剖视图。
具体实施方式
根据图1、图2所示,无尘黑板包括:黑板1,与黑板1夹层连通的上、下凸边上有吸粉孔2,黑板1夹层的后板上装有吸风机3,吸风机3和吸尘袋6相连,黑板夹层内下沿为可卸下的接粉槽4,开关5装在黑板边上用导线与吸风机3相连。

Claims (1)

1.一种无尘黑板,包括:黑板(1),其特征在于:与黑板(1)夹层连通的上、下凸边上有吸粉孔(2),黑板(1)夹层的后板上装有吸风机(3),吸风机(3)和吸尘袋(6)相连,黑板夹层内下沿为可卸下的接粉槽(4),开关(5)装在黑板边上用导线与吸风机(3)相连。
CN2011205098811U 2011-12-09 2011-12-09 无尘黑板 Expired - Fee Related CN202399749U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205098811U CN202399749U (zh) 2011-12-09 2011-12-09 无尘黑板

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205098811U CN202399749U (zh) 2011-12-09 2011-12-09 无尘黑板

Publications (1)

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CN202399749U true CN202399749U (zh) 2012-08-29

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106862224A (zh) * 2017-03-06 2017-06-20 邱崇晟 一种教学用教学板
CN108248251A (zh) * 2018-01-30 2018-07-06 赣州市亿研机械设计研究院有限公司 一种用于教学板报的可调整型黑板
CN109017034A (zh) * 2018-08-02 2018-12-18 安徽申泉化工有限公司 一种自吸式大学英语教学互动用展示板
CN109050090A (zh) * 2018-07-11 2018-12-21 姜家治 一种多功能教学黑板

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106862224A (zh) * 2017-03-06 2017-06-20 邱崇晟 一种教学用教学板
CN108248251A (zh) * 2018-01-30 2018-07-06 赣州市亿研机械设计研究院有限公司 一种用于教学板报的可调整型黑板
CN108248251B (zh) * 2018-01-30 2019-12-10 临沂华标教学设备有限公司 一种用于教学板报的可调整型黑板
CN109050090A (zh) * 2018-07-11 2018-12-21 姜家治 一种多功能教学黑板
CN109017034A (zh) * 2018-08-02 2018-12-18 安徽申泉化工有限公司 一种自吸式大学英语教学互动用展示板

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Granted publication date: 20120829

Termination date: 20121209