CN203293783U - Dust-absorbing chalkboard eraser - Google Patents
Dust-absorbing chalkboard eraser Download PDFInfo
- Publication number
- CN203293783U CN203293783U CN2012202695622U CN201220269562U CN203293783U CN 203293783 U CN203293783 U CN 203293783U CN 2012202695622 U CN2012202695622 U CN 2012202695622U CN 201220269562 U CN201220269562 U CN 201220269562U CN 203293783 U CN203293783 U CN 203293783U
- Authority
- CN
- China
- Prior art keywords
- dust
- eraser
- power supply
- motor
- rub
- 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 claims abstract description 27
- 241001633942 Dais Species 0.000 description 2
- 230000000414 obstructive Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
Abstract
The utility model relates to a dust-absorbing chalkboard eraser including an eraser body, a power supply switch, dust-absorbing holes, a wiper, a power supply, a power line, an impeller, a motor, a vent, a dust box, and a filter screen. The dust-absorbing chalkboard eraser provided is characterized in that the power supply and the motor are arranged in the eraser body, the impeller is arranged on the motor, the power supply is connected with the motor via the power supply switch and the power supply line the plurality of dust-absorbing holes are arranged in the wiper, the dust-absorbing holes are communicated with the inner cavity of the eraser body, the vent is arranged in the eraser body, the vent is communicated with the inner cavity of the eraser body, and the dust box and the filter screen are arranged in the eraser body. The dust-absorbing chalkboard eraser provided can effectively enable the chalk dust on the chalkboard eraser to fall into the box, and facilitates the sanitation of a platform, thereby overcoming the defects that a blackboard eraser in the prior art makes chalk dust all over the platform and pollutes classroom environment.
Description
Technical field
The utility model relates to the realia field, particularly relates to a kind of dust absorbnig chalk eraser.
Background technology
While imparting knowledge to students the chalkboard eraser wiping of commonly using, powder and ash can fly upward everywhere, and while not having in the function of dust suction, particularly classroom in summer to use fan, the academics and students to some extent can be from nostril and sucked in the mouth chalk dust, has a strong impact on classroom environment and teachers and students' health.
Summary of the invention
technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, a kind of dust absorbnig chalk eraser is provided, utility model solves the technical scheme that its technical problem adopts: structure of the present utility model comprises rub body, power switch, air suction opening, wiper, power supply, power line, impeller, motor, passage, the dust box, screen pack, it is characterized in that in rub body being equipped with power supply and motor, impeller is installed on motor, power supply is connected with motor with power switch by power line, be provided with several air suction openings on wiper, air suction opening communicates with the inner chamber of rub body, be provided with passage on rub body, passage communicates with the inner chamber of rub body, dust box and screen pack are installed in rub body.
During use, connect power supply, the driven by motor wheel rotation, impeller inwardly produces wind motion and from passage, flows out, air suction opening place at wiper produces inside air-flow, dust under wiper is wiped sucks in rub body, and chalk dust is through the obstruction of filter screen, and the dust box that falls in rub body reaches the dust suction purpose.
The beneficial effects of the utility model are, the utility model can make the dust on blackboard eraser fall into box effectively, is conducive to the dais health, thereby overcome existing blackboard eraser, make the dais to be all dust, pollute the weak points such as classroom environment.
Description of drawings
Fig. 1: example structure schematic diagram of the present utility model;
In figure: rub body 1, power switch 2, air suction opening 3, wiper 4, power supply 5, power line 6, impeller 7, motor 8, passage 9, dust box 10, screen pack 11.
The specific embodiment
illustrate referring to the drawings the utility model is done following concrete detailed description: as shown in the figure, structure of the present utility model comprises rub body 1, power switch 2, air suction opening 3, wiper 4, power supply 5, power line 6, impeller 7, motor 8, passage 9, dust box 10, screen pack 11, it is characterized in that in rub body 1 being equipped with power supply 5 and motor 8, impeller 7 is installed on motor 8, power supply 5 is connected with power switch and is connected with motor 8 by power line 6, be provided with several air suction openings 3 on wiper 4, air suction opening 3 communicates with the inner chamber of rub body 1, be provided with passage 9 on rub body 1, passage 9 communicates with the inner chamber of rub body 1, dust box 10 and screen pack 11 are installed in rub body 1.During use, connect power supply 5, motor 8 impeller 7 are rotated, impeller 7 inwardly produces wind motion and from passage 9, flows out, air suction opening 3 places at wiper 4 produce inside air-flow, dust under wiper 4 is wiped sucks in rub body 1, and chalk dust is through the obstruction of filter screen 11, and the dust box 10 that falls in rub body 1 reaches the dust suction purpose.
Claims (1)
1. dust absorbnig chalk eraser, comprise rub body (1), power switch (2), air suction opening (3), wiper (4), power supply (5), power line (6), impeller (7), motor (8), passage (9), dust box (10), screen pack (11), it is characterized in that in rub body (1) being equipped with power supply (5) and motor (8), impeller (7) is installed on motor (8), power supply (5) is connected 2 by power line (6) with power switch) be connected with motor (8), be provided with several air suction openings (3) on wiper (4), air suction opening (3) communicates with the inner chamber of rub body (1), be provided with passage (9) on rub body (1), passage (9) communicates with the inner chamber of rub body (1), dust box (10) and screen pack (11) are installed in rub body (1).
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Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202695622U CN203293783U (en) | 2012-06-08 | 2012-06-08 | Dust-absorbing chalkboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202695622U CN203293783U (en) | 2012-06-08 | 2012-06-08 | Dust-absorbing chalkboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203293783U true CN203293783U (en) | 2013-11-20 |
Family
ID=49569820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202695622U Expired - Fee Related CN203293783U (en) | 2012-06-08 | 2012-06-08 | Dust-absorbing chalkboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203293783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323139A (en) * | 2017-07-05 | 2017-11-07 | 张可然 | Integral type dust absorption blackboard eraser and its application |
| CN110154600A (en) * | 2019-05-31 | 2019-08-23 | 毛潞 | It erases the board and uses auxiliary device |
-
2012
- 2012-06-08 CN CN2012202695622U patent/CN203293783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107323139A (en) * | 2017-07-05 | 2017-11-07 | 张可然 | Integral type dust absorption blackboard eraser and its application |
| CN110154600A (en) * | 2019-05-31 | 2019-08-23 | 毛潞 | It erases the board and uses auxiliary device |
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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: 20131120 Termination date: 20140608 |