CN202911401U - 一种防水防寒黑板擦 - Google Patents

一种防水防寒黑板擦 Download PDF

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Publication number
CN202911401U
CN202911401U CN 201220536782 CN201220536782U CN202911401U CN 202911401 U CN202911401 U CN 202911401U CN 201220536782 CN201220536782 CN 201220536782 CN 201220536782 U CN201220536782 U CN 201220536782U CN 202911401 U CN202911401 U CN 202911401U
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Prior art keywords
blackboard eraser
cold
waterproof
holding rod
blackboard
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Expired - Fee Related
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CN 201220536782
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English (en)
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杜凤
邵明珠
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Individual
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Abstract

本实用新型公开了一种防水防寒黑板擦,所述黑板擦由黑板擦、螺纹插孔、握杆组成。本实用新型由于在传统黑板擦基础上安装了握杆,在擦黑板时,手持握杆,远离了脏水,这样既卫生、安全又防寒,免受冷水淋湿。

Description

一种防水防寒黑板擦
技术领域
本实用新型涉及一种黑板擦,直接涉及带把杆的黑板擦。
背景技术
每堂课后,保洁员都需要把黑板用水清洗干净,以提供清爽干净的教学环境。操作的过程中都会有脏水淋出来,既弄脏了衣服,冬天还会使人感觉很寒冷。
发明内容
本实用新型针对上述问题,提供一种具备防水防寒功能的黑板擦。这种黑板擦结构简单、便于使用。
达成本实用新型的实现方案是:对传统黑板擦加以改进,在黑板擦的背部设计一个带螺纹的插孔,握杆旋进插孔。
本实用新型的有益效果是:由于擦洗黑板时只需要手持握杆使用者远离了淋出的脏水,这样既防水又防寒。
附图说明
图1是本实用新型防水防寒黑板擦结构示意图。
具体实施方式
本实用新型所述防水防寒黑板擦结构如图1所示,传统黑板擦1的上面设计螺旋插孔2,握杆3通过螺纹旋进插孔2里。握杆(3)和黑板擦(1)的连接螺孔设计成30°角,以便于操作。

Claims (2)

1.一种防水防寒黑板擦,其特征在于,所述黑板擦(1)的背面设置螺纹插孔(2),握杆(3)旋进螺纹插孔(2)。
2.权利要求1所述的防水防寒黑板擦,其特征在于,所述握杆(3)和黑板擦(1)的连接螺孔设计成30°角。
CN 201220536782 2012-10-19 2012-10-19 一种防水防寒黑板擦 Expired - Fee Related CN202911401U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220536782 CN202911401U (zh) 2012-10-19 2012-10-19 一种防水防寒黑板擦

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220536782 CN202911401U (zh) 2012-10-19 2012-10-19 一种防水防寒黑板擦

Publications (1)

Publication Number Publication Date
CN202911401U true CN202911401U (zh) 2013-05-01

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CN 201220536782 Expired - Fee Related CN202911401U (zh) 2012-10-19 2012-10-19 一种防水防寒黑板擦

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CN (1) CN202911401U (zh)

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C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130501

Termination date: 20131019