CN2266522Y - 一种黑板擦 - Google Patents

一种黑板擦 Download PDF

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Publication number
CN2266522Y
CN2266522Y CN 96239048 CN96239048U CN2266522Y CN 2266522 Y CN2266522 Y CN 2266522Y CN 96239048 CN96239048 CN 96239048 CN 96239048 U CN96239048 U CN 96239048U CN 2266522 Y CN2266522 Y CN 2266522Y
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utility
model
lower casing
blackboard eraser
storing box
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姜忠山
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Abstract

本实用新型是一黑板擦,利用电动真空吸尘的原理,储灰盒为抽屉式结构,里面装有过滤网及骨架,叶轮与储灰盒之间设置自动风板,用轴装在壳体内,黑板擦下部的下壳为中空结构,下面四周遍布吸尘孔,中间部位也有一条灰道,下壳的上面有一个通孔。该黑板擦结构简单,小巧轻便,能够有效地吸净粉笔灰尘,且物美价廉。

Description

一种黑板擦
本实用新型属于刷类,确切地说是一种黑板擦。
目前所使用的黑板擦是由板与毡条或绒布构成,不能吸粉笔灰尘;专利号89201610.8的“黑板家具吸尘擦”,具有毛刷,板擦和吸尘器三种功能,是将电机、风叶、电源、刷子、擦子、集尘盒组合,利用真空吸尘原理,其底部前端有毛刷,毛刷中间有吸尘孔,作为黑板擦使用,吸尘效果不好,并且得随擦随倒灰尘,否则,灰尘容易漏出。
本实用新型的发明目的在于提供一种吸尘效果好,使用方便的黑板擦。
本实用新型的技术原理是:黑板擦是利用电动真空吸尘的原理,结构主要包括电机、电源、壳体、下壳、叶轮、自动风板、轴、储灰盒、过滤网及骨架、毡擦条;下部的下壳为中空结构,下壳底面有遍布于四周的吸尘孔,中间部位有一条灰道,上面上有一个通孔;储灰盒为抽屉式结构,里面装有过滤网及骨架,过滤网及骨架的截面呈小于号“<”形;在叶轮与储灰盒之间设置自动风板,自动风板用轴装在壳体内。
本实用新型结构简单,小巧轻便,能够有效地吸净粉笔灰尘,且防止灰尘泄漏。
图1为一种黑板擦的结构示意图;
图中,1为电机,2为电源,3为壳体,4为下壳,5为叶轮,6为自动风板,7为轴,8为储灰盒,9为过滤网及网架,10为毡擦条;
图2为下壳4的结构示意图;
图中11为底面,12为上面,13为吸尘孔,14为灰道,15为通孔。
下面结合附图详细说明本实用新型的实施例。如图1所示,一种黑板擦的结构主要包括:电机1,电源2,壳体3,下壳4,叶轮5,自动风板6,轴7,储灰盒8,过滤网及骨架9,毡擦条10;储灰盒8为抽屉式结构,里面装有过滤网及骨架9,过滤网及骨架9的截面呈小于号“<”形;叶轮5与储灰盒8之间设置自动风板6,自动风板6用轴7装在壳体3内。
如图2所示,下壳4为中空结构,底面11上有遍布于四周的吸尘孔13,中间部位有一条灰道14,上面12上有通孔15。

Claims (2)

1.一种黑板擦,结构包括:电机(1),电源(2),壳体(3),下壳(4),叶轮(5),抽屉式的储灰盒(8),装在储灰盒(8)中的过滤网及骨架(9),毡擦条(10),其特征在于:叶轮(5)与储灰盒(8)之间设有自动风板(6),自动风板(6)用轴(7)装在壳体(3)内;过滤网及骨架(9)的截面呈小于号“<”形。
2.根据权利要求1所述的一种黑板擦,其特征在于:下壳(4)为中空结构;底面(11)上有遍布于四周的吸尘孔(13),中间部位有一条灰道(14),上面(12)上有通孔(15)。
CN 96239048 1996-11-08 1996-11-08 一种黑板擦 Expired - Fee Related CN2266522Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 96239048 CN2266522Y (zh) 1996-11-08 1996-11-08 一种黑板擦

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Application Number Priority Date Filing Date Title
CN 96239048 CN2266522Y (zh) 1996-11-08 1996-11-08 一种黑板擦

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CN2266522Y true CN2266522Y (zh) 1997-11-05

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CN 96239048 Expired - Fee Related CN2266522Y (zh) 1996-11-08 1996-11-08 一种黑板擦

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CN (1) CN2266522Y (zh)

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