CN202641181U - Dust-absorption blackboard eraser - Google Patents

Dust-absorption blackboard eraser Download PDF

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Publication number
CN202641181U
CN202641181U CN2012202569795U CN201220256979U CN202641181U CN 202641181 U CN202641181 U CN 202641181U CN 2012202569795 U CN2012202569795 U CN 2012202569795U CN 201220256979 U CN201220256979 U CN 201220256979U CN 202641181 U CN202641181 U CN 202641181U
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CN
China
Prior art keywords
dust
blackboard eraser
groove
bottom box
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012202569795U
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Chinese (zh)
Inventor
不公告发明人
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Individual
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Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to CN2012202569795U priority Critical patent/CN202641181U/en
Application granted granted Critical
Publication of CN202641181U publication Critical patent/CN202641181U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model relates to a dust-absorption blackboard eraser, which consists of a bottom box, a brush core, bristles, a dust collection groove, a battery groove, a dust collector, a switch and a bottom cover; the bottom box is a cubic body, the upper surface of the bottom box is provided with the brush core, the lower surface of the bottom box is provided with the bottom cover, the battery groove, the dust groove and the dust collector are arranged inside the bottom box, and the left side of the bottom box is provided with the switch; and the brush core is of a circular shape, the upper surface of the brush core is provided with the bristles and a small hole, and the lower surface is provided with the dust collector. The dust-absorption blackboard eraser not only can erase chalk characters, but also can absorb the dust into the dust groove, and the environment is cleaned; and the structure is simple, economical and practical, and the dust-absorption blackboard eraser is a good teaching aid.

Description

Ash-collecting blackboard eraser
Technical field
The utility model relates to a kind of blackboard eraser, especially a kind of ash-collecting blackboard eraser.
Background technology
Blackboard eraser is the teaching aid of wiping chalk writing.Common blackboard eraser all is to be made of base plate and bristle.The material that base plate is commonly used has plastics and made of iron, and the material that bristle is commonly used has sponge, flannelette etc.For more intuitively statement of convenient teaching, the literal that people begin will to explain writes out at blackboard.And wipe writing with cloth at first, afterwards for the convenient apperance that is consisted of by base plate and bristle that develops gradually till now of using.The birth of blackboard eraser brings a lot of convenience to teaching.
Traditional blackboard eraser is dust from flying in use, constantly attacking teachers and students' health, allow the people have to avoid from far away, and after long-time the use, will be full of dust, use if continue, not only can affect the effect that erases the board, and understanding the serious dust that gives out, harm teacher and student's is healthy, contaminated environment.Traditional blackboard eraser is that blackboard eraser is patted when the cleaning dust, thereby with dust separation.But dust from flying in scale removal process, and cleaning is not thorough, and scale removal process is also pretty troublesome.
The utility model content
In order to overcome the deficiency of above-mentioned existing product, the purpose of this utility model is to provide a kind of ash-collecting blackboard eraser, it adopts and is provided with the brush heart at end box upper surface, lower surface is provided with bottom, inside is provided with battery case, dust groove and dust catcher, left surface is provided with switch, brushes in the heart that the surface is provided with bristle, and lower surface is provided with dust catcher.
In order to realize that the technical scheme that the purpose of this utility model adopts is: a kind of ash-collecting blackboard eraser is characterized in that: it is made of end box, the brush heart, bristle, dust groove, battery case, dust catcher, switch, bottom; Box of the described end is square body, and upper surface is provided with the brush heart, and lower surface is provided with bottom, and inside is provided with battery case, dust groove and dust catcher, and the left side is provided with switch; The described brush heart is circular, and upper surface is provided with bristle and aperture, and lower surface is provided with dust catcher.
The beneficial effects of the utility model are: it can either wipe letter written with chalk, dust can be drawn in the dust groove cleaning ambient again; And simple in structure, economical and practical, be good teaching aid.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 is the utility model structure chart
Fig. 2 is box cutaway view at the bottom of the utility model
Fig. 3 is the utility model upward view
Box at the bottom of the 1-, the 2-brush heart, 3-bristle, 4-dust groove, 5-battery case, 6-dust catcher, 7-switch, 8-bottom among the figure.
The specific embodiment
In Fig. 1, Fig. 2, the first embodiment shown in Figure 3, a kind of ash-collecting blackboard eraser is characterized in that: it is made of end box, the brush heart, bristle, dust groove, battery case, dust catcher, switch, bottom; Box of the described end is square body, and upper surface is provided with the brush heart, and lower surface is provided with bottom, and inside is provided with battery case, dust groove and dust catcher, and the left side is provided with switch; The described brush heart is circular, and upper surface is provided with bristle and aperture, and lower surface is provided with dust catcher.
In Fig. 1, Fig. 2, the second embodiment shown in Figure 3, described battery case is used for loading battery, and power supply is provided; Described dust catcher is used for dust absorbing preventing dust from flying, contaminated environment in the dust groove; Described bottom is used for covering battery case and dust groove, in order to avoid battery and dust drop out end box.
When using the utility model, at first, battery is packed in the battery case, then build bottom, open switch, circuit is connected, dust catcher work, the brush heart rotates the writing on the bristle blackboard wiping, with dust absorbing, enter into the dust groove by the aperture of brushing heart surface, after writing is wiped clean, closing switch, dust catcher quits work, and opens bottom, and the dust in the dust groove is poured in the dustbin.

Claims (1)

1. ash-collecting blackboard eraser is characterized in that: it is made of end box, the brush heart, bristle, dust groove, battery case, dust catcher, switch, bottom; The box upper surface is provided with the brush heart at the described end, and lower surface is provided with bottom, and inside is provided with dust groove, battery case and dust catcher, and the left side is provided with switch; Described brush in the heart surface is provided with bristle and aperture, and lower surface is provided with dust catcher.
CN2012202569795U 2012-06-03 2012-06-03 Dust-absorption blackboard eraser Expired - Fee Related CN202641181U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202569795U CN202641181U (en) 2012-06-03 2012-06-03 Dust-absorption blackboard eraser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202569795U CN202641181U (en) 2012-06-03 2012-06-03 Dust-absorption blackboard eraser

Publications (1)

Publication Number Publication Date
CN202641181U true CN202641181U (en) 2013-01-02

Family

ID=47410338

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202569795U Expired - Fee Related CN202641181U (en) 2012-06-03 2012-06-03 Dust-absorption blackboard eraser

Country Status (1)

Country Link
CN (1) CN202641181U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130102

Termination date: 20140603