CN204322857U - A kind of dust absorption blackboard eraser - Google Patents
A kind of dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN204322857U CN204322857U CN201420619693.8U CN201420619693U CN204322857U CN 204322857 U CN204322857 U CN 204322857U CN 201420619693 U CN201420619693 U CN 201420619693U CN 204322857 U CN204322857 U CN 204322857U
- Authority
- CN
- China
- Prior art keywords
- base plate
- hairbrush
- described base
- blackboard
- rubber
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 27
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 11
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a kind of dust absorption blackboard eraser, be improve on the basis of existing simple blackboard eraser, it comprises blackboard rubdown lid, base plate, hairbrush and rubber.Described base plate is arranged on blackboard rubdown and covers, described base areas blackboard rubdown lid, the thickness of described base plate is two centimetres, on every one side on four limits of described base plate, setting is provided with a rubber, described rubber slopes inwardly 60 °, described base plate bottom surface is provided with some hairbrush, has gap between described hairbrush and hairbrush, is provided with dust collection groove in gap.This kind of dust absorption blackboard eraser devises dust collection groove, decrease chalk dust and be bonded on hairbrush, and chalk dust obtains the collection of feeder, and structure is simple, cheap for manufacturing cost, convenient teaching.
Description
Technical field
The utility model relates to a kind of dust absorption blackboard eraser, belongs to educational aid.
Background technology
In teaching process, blackboard eraser is indispensable instrument, after more existing blackboard erasers wipe, dust can be taken on lectern, or distribute in atmosphere, pollute classroom environment, be inhaled into and be harmful to health, now, have a kind of dust absorption blackboard eraser, can solve problems, this kind of dust absorption blackboard eraser devises dust collection groove, decreases chalk dust and is bonded on hairbrush, and chalk dust obtains the collection of feeder, structure is simple, cheap for manufacturing cost, convenient teaching.
Utility model content
In order to increase the practicality of prior art, the utility model provides a kind of structure simple, cheap for manufacturing cost, the dust absorption blackboard eraser of convenient teaching.
The utility model is taked following technical scheme to realize: a kind of dust absorption blackboard eraser, it comprises blackboard rubdown lid, base plate, hairbrush and rubber, described base plate is arranged on blackboard rubdown and covers, described base plate is less than blackboard rubdown lid, the thickness of described base plate is five centimetres, on every one side on four limits of described base plate, setting is provided with a rubber, described rubber slopes inwardly 60 °, described base plate bottom surface is provided with some hairbrush, there is gap between described hairbrush and hairbrush, in gap, be provided with dust collection groove.
The utility model has following beneficial effect in sum: earth four seasons origin cause of formation instrument is a kind of geographical teaching teaching aid, and be mainly convenient to the many-sided knowledge allowing student's visual understanding about the earth, intuitive is strong.
Accompanying drawing explanation
Fig. 1 is the utility model general structure schematic diagram.
Wherein: 1, blackboard rubdown lid; 2, base plate; 3, hairbrush; 4, rubber; 5, dust collection groove.
Detailed description of the invention
As shown in Figure 1, a kind of dust absorption blackboard eraser, improve on the basis of existing simple blackboard eraser, it comprises blackboard rubdown lid 1, base plate 2, hairbrush 3 and rubber 4, described base plate 2 is arranged on blackboard rubdown lid 1, described base plate 2 is less than blackboard rubdown lid 1, the thickness of described base plate 2 is five centimetres, on every one side on four limits of described base plate 2, setting is provided with a rubber 4, described rubber 4 slopes inwardly 60 °, described base plate 2 bottom surface is provided with some hairbrush 3, has gap, be provided with dust collection groove 5 in gap between described hairbrush 3 and hairbrush 3.
Detailed description of the invention: the rubber 4 on four limits of base plate 2 is sloped inwardly, and keep slightly high with hairbrush, conveniently play collection dust.
Further, leave dust collection passage between hairbrush and rubber, also can leave dust collection passage in the middle of hairbrush, the dust under wiping falls lower end collection place of blackboard eraser through these passages.
The above is the utility model embodiment, therefore all equivalences done according to structure, feature and the principle described in the utility model application range change or modify, and are included in the utility model patent claim.
Claims (1)
1. a dust absorption blackboard eraser, it comprises blackboard rubdown lid, base plate, hairbrush and rubber, it is characterized in that: described base plate is arranged on blackboard rubdown and covers, described base plate is less than blackboard rubdown lid, and the thickness of described base plate is five centimetres, four limits of described base plate every on setting a rubber is installed, described rubber slopes inwardly 60 °, described base plate bottom surface is provided with some hairbrush, has gap between described hairbrush and hairbrush, is provided with dust collection groove in gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619693.8U CN204322857U (en) | 2014-10-24 | 2014-10-24 | A kind of dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420619693.8U CN204322857U (en) | 2014-10-24 | 2014-10-24 | A kind of dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204322857U true CN204322857U (en) | 2015-05-13 |
Family
ID=53159250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420619693.8U Expired - Fee Related CN204322857U (en) | 2014-10-24 | 2014-10-24 | A kind of dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204322857U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584267A (en) * | 2014-10-24 | 2016-05-18 | 胡敏 | Blackboard eraser capable of collecting chalk dust |
-
2014
- 2014-10-24 CN CN201420619693.8U patent/CN204322857U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105584267A (en) * | 2014-10-24 | 2016-05-18 | 胡敏 | Blackboard eraser capable of collecting chalk dust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20161024 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |