CN202641181U - Dust-absorption blackboard eraser - Google Patents
Dust-absorption blackboard eraser Download PDFInfo
- 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
- Authority
- 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
Links
- 238000010521 absorption reaction Methods 0.000 title abstract 4
- 239000000428 dust Substances 0.000 claims abstract description 47
- 238000004140 cleaning Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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- Drawing Aids And Blackboards (AREA)
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
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.
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) |
-
2012
- 2012-06-03 CN CN2012202569795U patent/CN202641181U/en not_active Expired - Fee Related
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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 |