CN2299726Y - 充电式吸尘黑板擦 - Google Patents

充电式吸尘黑板擦 Download PDF

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CN2299726Y
CN2299726Y CN 97241228 CN97241228U CN2299726Y CN 2299726 Y CN2299726 Y CN 2299726Y CN 97241228 CN97241228 CN 97241228 CN 97241228 U CN97241228 U CN 97241228U CN 2299726 Y CN2299726 Y CN 2299726Y
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徐金山
李廷甫
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Abstract

一种充电式吸尘黑板擦,主要克服现有黑板擦使用时粉尘飞扬。违害人们身体健康的弊端。在刷体内设有电机、电池,电机转动时可带动叶轮转动,产生负压将擦拭的粉尘吸入刷体内的储尘盒中,粉尘满时倒掉即可。刷体内还设有充电电路,可对电池进行充电。本实用新型结构简单,使用方便,擦拭黑板时粉尘被吸入刷体内,避免了粉尘飞扬的现象。

Description

充电式吸尘黑板擦
本实用新型涉及一种教学用品,特别是一种充电式吸尘黑板擦。
当前,教学中常用的黑板擦通常为毛毡嵌入铁皮盒内的简陋装置。教师擦黑板时,就会出现粉尘飞扬的现象,严重威胁着师生的身体健康。
本实用新型的目的在于克服上述现有技术之不足,提供一种擦黑板时不会出现粉尘飞扬的充电式吸尘黑板擦。
本实用新型的目的是这样实现的:它包括有刷板和刷毛,带有刷毛的刷板3嵌入在刷体6的边槽中。刷体6内设置有电路板及电子原器件、电池7,各部件构成充电电路。刷体6内还设置有直流电机11,电机轴上设置有叶轮9,叶轮9的两侧设置有储尘盒4,储尘盒内侧设置有逆止门8,外侧设置有盒盖5。刷板3的各刷毛束14之间设置有气孔与刷体6相贯通,刷体6内的叶轮9的后部设置有隔粒网,刷体6的后盖13上设置有气孔15。
上述所说的叶轮9和储尘盒4均为两个,两叶轮9由电机轴上的皮带轮10所带动。
本实用新型的优点在于结构简单,外形美观,使用方便,使用时粉尘被吸入盒内,不会出现粉尘飞扬的现象,维护了师生的身体健康。
下面结合附图对本实用新型作进一步描述。
图1是本实用新型的结构剖视图。
图2是图1的侧视图。
图3是图1中的后盖13的结构示意图。
图4是本实用新型的电路原理图。
以上各附图所示的结构是本实用新型的实施例。图中,1为控制储尘盒盖5开启的弹簧按钮;2为设置在刷体6两侧的连动开关;3为刷板;4为设置在刷体内两侧的储尘盒;5为储尘盒外侧的盒盖;6为刷体;7为两个充电电池;8为储尘盒内侧的逆止门;9为电机轴上的叶轮;10为带动叶轮转动的皮带轮;11为直流电机;12为充电插头;13为刷体后部的刷盖;14为设置在刷板3上的刷毛束;15为后刷盖13上的气孔。电路图中,K2为开关/插座,K′2为开关,与K2一体;L为指示灯,一灯两用,机内电池用完与否可推启充电开关用该指示灯检侧,充电完好与否宜用该指示灯检测,充电时该指示灯起充电指示作用。使用时,拨动任一个连动开关2,启动电机11,带动两叶轮9高速旋转产生负压,在风力和负压以及重力作用下打开储尘盒4的逆止门8,将擦拭时的粉尘通过黑板擦刷板底部辐射型吸尘槽和吸尘孔进入储尘盒4中,当粉尘储满时,按动弹簧按钮1,储尘盒盖5即可弹开,可将粉尘倒掉。

Claims (2)

1、一种充电式吸尘黑板擦,包括有刷板和刷毛,其特征在于:带有刷毛的刷板(3)嵌入在刷体(6)的边槽中;刷体(6)内设置有电路板及电子原器件、电池(7),各部件构成充电电路;刷体(6)内还设有直流电机(11),电机轴上设置有叶轮(9),叶轮(9)的两侧设置有储尘盒(4),储尘盒内侧设置有逆止门(8),外侧设置有盒盖(5);刷板(3)的各刷毛束(14)之间设置有气孔与刷体(6)相贯通,刷体(6)内叶轮(9)的后部设置有隔粒网,刷体(6)的后盖(13)上设置有气孔(15)。
2、根据权利要求1所述的充电式吸尘黑板擦,其特征在于:上述所说的叶轮(9)和储尘盒(4)均为两个,两叶轮(9)由电机轴上的皮带轮(10)所带动。
CN 97241228 1997-09-02 1997-09-02 充电式吸尘黑板擦 Expired - Fee Related CN2299726Y (zh)

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CN 97241228 CN2299726Y (zh) 1997-09-02 1997-09-02 充电式吸尘黑板擦

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CN 97241228 CN2299726Y (zh) 1997-09-02 1997-09-02 充电式吸尘黑板擦

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CN2299726Y true CN2299726Y (zh) 1998-12-09

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112046180A (zh) * 2020-10-15 2020-12-08 淮南师范学院 一种黑板擦

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112046180A (zh) * 2020-10-15 2020-12-08 淮南师范学院 一种黑板擦

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