CN201693942U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN201693942U CN201693942U CN2010202392230U CN201020239223U CN201693942U CN 201693942 U CN201693942 U CN 201693942U CN 2010202392230 U CN2010202392230 U CN 2010202392230U CN 201020239223 U CN201020239223 U CN 201020239223U CN 201693942 U CN201693942 U CN 201693942U
- Authority
- CN
- China
- Prior art keywords
- dust
- absorption
- box
- eraser
- blackboard eraser
- 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
Images
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a blackboard eraser, in particular to a dust-absorption blackboard eraser which comprises an eraser body and an eraser plate, and is characterized in that: the eraser plate is a box, the eraser body is located in front of the box, dust-absorption holes are arranged on a box body at the two edges of the eraser body, a dust-absorption cavity with a dust-absorption opening and a dust outlet is arranged in the box body, a dust-absorption fan is arranged near the dust-absorption opening, a cover is arranged behind the box body, an inner cavity of the cover is a dust-collection cavity, the dust-collection cavity is communicated with the dust outlet, and a battery and a switch are arranged on the cover. As the dust-absorption fan, the dust-absorption cavity and the dust-collection cavity are additionally arranged, dust can be absorbed into the dust-collection cavity, so as to reduce dust flying, thereby reducing pollution and being beneficial for physical health of teachers and students.
Description
Technical field
The utility model relates to a kind of apparatus on class, specifically a kind of blackboard eraser.
Background technology
Teacher says class hour to the student, need erase the board with blackboard eraser, and dust from flying when erasing the board has caused air pollution of classroom, and the dust of chalk has brought unfavorable factor for academics and students's health.Traditional blackboard eraser rub body is fixed on the wiping board, and a dust part is adsorbed on rub body when erasing the board with traditional blackboard eraser, and another part flies upward in air, has caused air pollution.
Summary of the invention
The purpose of this utility model provides a kind of blackboard eraser that can reduce dust pollution.
The utility model comprises rub body, wiping board, wiping board is a box, the front of box is a rub body, and the dust suction eye is arranged on the box body on rub body both sides, is provided with vacuum chamber in the box body, vacuum chamber has suction port, dust outlet, suction port is attached with dust-absorbing fan, and there is lid the box body back, and the lid inner chamber is a dust-collecting cavity, dust-collecting cavity is communicated with the dust outlet, and battery and switch are installed on the lid.
Above-mentioned rub body is hairbrush or felt.
The utility model has following advantage compared with prior art:
Owing to increased dust-absorbing fan, vacuum chamber, dust-collecting cavity, dust can be sucked dust-collecting cavity, reduce dust from flying, reduce and pollute, help academics and students's health.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a structural representation of the present utility model,
Fig. 2 is 1 side view.
Among the figure, 1. wiping board, 2. rub body, 3. suction port, 4. vacuum chamber, 5. dust suction eye, 6. dust outlet, 7. lid, 8. battery, 9. dust-collecting cavity, 10. dust-absorbing fan.
The specific embodiment
In the drawings, the utility model comprises rub body 2, wiping board 1, and wiping board 1 is a box, and the front of box is a rub body 2, on the box body on rub body 2 both sides dust suction eye 5 is arranged, be provided with vacuum chamber 4 in the box body, vacuum chamber 4 has suction port 3, dust outlet 6, and suction port 3 is attached with dust-absorbing fan 10, there is lid 7 the box body back, lid 7 inner chambers are dust-collecting cavity 9, and dust-collecting cavity 9 is communicated with dust outlet 6, and battery 8 and switch are installed on the lid 7.
Above-mentioned rub body can be hairbrush or felt.
When the utility model erases the board, open switch, dust enters in the box through dust suction eye 5, is sucked vacuum chamber 4 by dust-absorbing fan 10 from suction port 3, enters the dust-collecting cavity 9 of box back again from dust outlet 6.Most of dust can not fly in the air and go, and has reduced pollution.Use a period of time, lid is opened outwelled dust, blackboard eraser just can use again.
Claims (2)
1. blackboard eraser, comprise rub body, wiping board, it is characterized in that wiping board is a box, the front of box is a rub body, the dust suction eye is arranged on the box body on rub body both sides, be provided with vacuum chamber in the box body, vacuum chamber has suction port, dust outlet, and suction port is attached with dust-absorbing fan, there is lid the box body back, the lid inner chamber is a dust-collecting cavity, and dust-collecting cavity is communicated with the dust outlet, and battery and switch are installed on the lid.
2. blackboard eraser as claimed in claim 1 is characterized in that described rub body is hairbrush or felt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202392230U CN201693942U (en) | 2010-06-23 | 2010-06-23 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202392230U CN201693942U (en) | 2010-06-23 | 2010-06-23 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201693942U true CN201693942U (en) | 2011-01-05 |
Family
ID=43395187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202392230U Expired - Fee Related CN201693942U (en) | 2010-06-23 | 2010-06-23 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201693942U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320207A (en) * | 2011-06-14 | 2012-01-18 | 江南大学 | Dust collection blackboard eraser |
-
2010
- 2010-06-23 CN CN2010202392230U patent/CN201693942U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102320207A (en) * | 2011-06-14 | 2012-01-18 | 江南大学 | Dust collection blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203210961U (en) | Multifunctional blackboard eraser | |
| CN201693942U (en) | Blackboard eraser | |
| CN105835577A (en) | Environment-friendly backboard eraser | |
| CN202345208U (en) | Electric blackboard eraser | |
| CN203666211U (en) | Static electricity blackboard eraser | |
| CN205033817U (en) | Electric dust -removing blackboard eraser | |
| CN201703144U (en) | Dust absorbing blackboard eraser | |
| CN203854388U (en) | Environment-friendly blackboard eraser | |
| CN203293783U (en) | Dust-absorbing chalkboard eraser | |
| CN202498916U (en) | Dust-absorbing blackboard eraser | |
| CN201693940U (en) | Cleaning blackboard eraser | |
| CN204296313U (en) | Inhale grey chalkboard eraser | |
| CN202413192U (en) | Environment protection type blackboard eraser | |
| CN202413112U (en) | Environment-friendly blackboard | |
| CN203142198U (en) | Dust-free blackboard eraser | |
| CN201833782U (en) | Novel blackboard eraser | |
| CN105818587A (en) | Dust-free blackboard eraser | |
| CN102390205A (en) | Dust collection blackboard eraser | |
| CN202080012U (en) | Dust suction blackboard eraser | |
| CN201566352U (en) | Dust absorbing blackboard | |
| CN202593109U (en) | Dust absorption blackboard eraser | |
| CN202557135U (en) | Dust-collecting blackboard eraser | |
| CN202098199U (en) | Electric dust-sucking blackboard eraser | |
| CN202011284U (en) | Dust suction blackboard eraser | |
| CN2902754Y (en) | Electric dust collecting blackboard eraser |
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: 20110105 Termination date: 20120623 |