CN202138120U - Dust absorption blackboard eraser - Google Patents
Dust absorption blackboard eraser Download PDFInfo
- Publication number
- CN202138120U CN202138120U CN201120264897U CN201120264897U CN202138120U CN 202138120 U CN202138120 U CN 202138120U CN 201120264897 U CN201120264897 U CN 201120264897U CN 201120264897 U CN201120264897 U CN 201120264897U CN 202138120 U CN202138120 U CN 202138120U
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- CN
- China
- Prior art keywords
- dust
- blower fan
- brush
- dust absorption
- chamber
- 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
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Abstract
The utility model provides a dust absorption blackboard eraser, which comprises an eraser body and a brush. A groove for holding the brush is arranged in the middle of one surface of the eraser body, a dust absorption cover is disposed on the periphery of the groove, a plurality of dust absorption holes are arranged on the dust absorption cover and communicated with a dust absorption cavity in the eraser body, an opening is arranged on a side wall of the dust absorption cavity and communicated with a fan cavity, a fan is disposed in the fan cavity, a battery box is arranged adjacent to the fan cavity, a dust collecting box is arranged at one end of the eraser body, and an inner cavity of the dust collecting box is communicated with the dust absorption cavity. The dust absorption blackboard eraser is reasonable in structure and convenient in use, can effectively reduce dust diffusing in air, reduces environmental pollution, and is favorable for health of teachers and students.
Description
Technical field
The utility model relates to a kind of blackboard brush that blackboard is used that cleans, particularly a kind of dust-absorbing blackboard brush.
Background technology
At present, place to operate schools still be widely used blackboard and chalk, and brush away the letter written with chalk that book writes on the blackboard with blackboard brush; In order to reusing; Dust from flying with the blackboard brush erasing blackboard time 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 the people's that erases the board the hand and clothes when erasing the board with traditional blackboard eraser, and a part is flown upward in air, and not only the health to the people is harmful, has also caused air pollution.
The utility model content
The utility model purpose is in order to overcome above-mentioned deficiency, a kind of dust-absorbing blackboard brush of good dustproof effect to be provided.
For solving the problems of the technologies described above, the technical scheme of the utility model is: dust-absorbing blackboard brush comprises brush body; Brush, the middle part of the one side of said brush body is provided with the groove of laying brush, is provided with dust shield around the said groove; Said dust shield is provided with several air suction openings; Said air suction opening communicates with the inner vacuum chamber of brush body, and a sidewall of said vacuum chamber is provided with opening, said open communication blower fan chamber; Said blower fan is provided with blower fan in the chamber, and the adjacent regions in said blower fan chamber is provided with battery case; One end of said brush body is provided with dust collection box, and the inner chamber of said dust collection box communicates with said vacuum chamber.
The opening part that said vacuum chamber is communicated with said blower fan chamber is provided with dirt filtrating screen.
Said blower fan chamber is provided with blower fan chamber lid, and said blower fan chamber covers and is provided with the plurality of rows air port.
Said battery case is provided with battery case lid.
Said dust collection box and said brush body are inserted and are dynamically connected.
The beneficial effect of the utility model is: the utility model is provided with some suction ports on the dust shield around the brush, brush body inside is provided with blower fan, and the end of brush body is provided with dust collection box; Like this when using the described blackboard brush of the utility model to erase the board; Dust can be drawn into the brush body inner chamber through suction port by blower fan, falls into then in the dust collection box, can not fall the personnel that erase the board hand and on one's body; More can not be diffused in the air contaminated environment.The utility model also is provided with dirt filtrating screen between vacuum chamber and blower fan chamber, dust just can not get into the blower fan chamber like this, more can not be diffused in the air from exhaust outlet, has played further dustproof effect.The battery case of the utility model is provided with battery case lid, conveniently replaced battery; Dust collection box and brush body are inserted and are dynamically connected, but the dust in the easy cleaning dust collection box.The utility model is rational in infrastructure, and is easy to use, can effectively reduce the aerial diffusion of dust, reduces environmental pollution, helps academics and students's health.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 is that sketch map is looked on the right side of Fig. 1;
Fig. 3 is that sketch map is looked on the left side of Fig. 1;
Among the figure: 1, brush body; 2, brush; 3, dust shield; 4, blower fan; 5, blower fan chamber lid; 6, vacuum chamber; 7, dirt filtrating screen; 8, dust collection box; 9, battery case; 10, battery case lid; 11, power switch; 12, exhaust outlet.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is further described.
Shown in Fig. 1, Fig. 2 and Fig. 3 were common, a kind of dust-absorbing blackboard brush comprised brush body 1, and the middle part of the one side of brush body 1 is provided with the groove of laying brush 2, was provided with dust shield 3 around the groove, and the brush that is placed in the groove exceeds the plane that dust shield 3 belongs to; Dust shield 3 is provided with several air suction openings, and suction port is little round mouth, arranging in a line side by side; Air suction opening communicates with brush body 1 inner vacuum chamber 6, and a sidewall of vacuum chamber 6 is provided with opening, said open communication blower fan chamber; Vacuum chamber 6 is provided with dirt filtrating screen 7 with the opening part in blower fan chamber; Said blower fan is provided with blower fan 4 in the chamber, and said blower fan chamber is provided with blower fan chamber lid 5, and blower fan chamber lid 5 is provided with three oval-shaped exhaust outlets 12; The adjacent regions in said blower fan chamber is provided with battery case 9, and battery case 9 is provided with battery case lid 10; 10 ones of blower fan chamber lid 5 and battery case lids have constituted the back side of brush body in same plane.Brush body 1 is provided with dust collection box 8 away from an end of battery case, and dust collection box 8 is inserted with brush body 1 and is dynamically connected, and the inner chamber of dust collection box 8 communicates with said vacuum chamber 6; The other end of brush body 1 is provided with power switch 11.
The method for using of the utility model: the power switch 11 of opening brush body 1 end; Just can use, brush body 1 inner blower fan 4 can suck dust in the vacuum chamber 6, after dirt filtrating screen 7 filters; Clean air is discharged through exhaust outlet 12, and dust is owing to the effect of gravity falls in the dust collection box 8.Open battery case lid 10 replaceable batteries; Dust collection box 8 can take out the dust in the easy cleaning dust collection box in brush body 1.
Claims (5)
1. dust-absorbing blackboard brush; Comprise the brush body (1) and the brush (2) that are installed together, it is characterized in that: the middle part of said brush body (1) one side is provided with the groove of laying brush (2), and the periphery of said groove is provided with dust shield (3); Said dust shield (3) is provided with several air suction openings; Said air suction opening communicates with the inner vacuum chamber (6) of brush body (1), and a sidewall of said vacuum chamber (6) is provided with opening, said open communication blower fan chamber; Be provided with blower fan (4) in the said blower fan chamber, the adjacent regions in said blower fan chamber is provided with battery case (9); One end of said brush body (1) is provided with dust collection box (8), and the inner chamber of said dust collection box (8) communicates with said vacuum chamber (6).
2. dust-absorbing blackboard brush according to claim 1 is characterized in that: the opening part that said vacuum chamber (6) is communicated with said blower fan chamber is provided with dirt filtrating screen (7).
3. dust-absorbing blackboard brush according to claim 1 is characterized in that: said blower fan chamber is provided with blower fan chamber lid (5), and said blower fan chamber lid (5) is provided with plurality of rows air port (12).
4. dust-absorbing blackboard brush according to claim 1 is characterized in that: said battery case (9) is provided with battery case lid (10).
5. dust-absorbing blackboard brush according to claim 1 is characterized in that: said dust collection box (8) is plugged in an end of said brush body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120264897U CN202138120U (en) | 2011-07-26 | 2011-07-26 | Dust absorption blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120264897U CN202138120U (en) | 2011-07-26 | 2011-07-26 | Dust absorption blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202138120U true CN202138120U (en) | 2012-02-08 |
Family
ID=45549196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120264897U Expired - Fee Related CN202138120U (en) | 2011-07-26 | 2011-07-26 | Dust absorption blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202138120U (en) |
-
2011
- 2011-07-26 CN CN201120264897U patent/CN202138120U/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: 20120208 Termination date: 20120726 |