CN201220559Y - Electric dust-absorbing blackboard eraser - Google Patents
Electric dust-absorbing blackboard eraser Download PDFInfo
- Publication number
- CN201220559Y CN201220559Y CNU2008200132513U CN200820013251U CN201220559Y CN 201220559 Y CN201220559 Y CN 201220559Y CN U2008200132513 U CNU2008200132513 U CN U2008200132513U CN 200820013251 U CN200820013251 U CN 200820013251U CN 201220559 Y CN201220559 Y CN 201220559Y
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- China
- Prior art keywords
- blackboard eraser
- dust
- ante
- cavity
- chamber
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- Expired - Fee Related
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Abstract
The utility model relates to an electric dust-suction blackboard eraser and solves the technical problem that the dust rises when the prior blackboard eraser is used. The technical proposal adopted by the utility model is that the electric dust-suction blackboard eraser comprises a blackboard eraser brush and a blackboard eraser casing; the blackboard eraser brush is fixedly arranged on the blackboard eraser casing; the blackboard eraser brush comprises a bristle head and a bristle body which are connected with each other; the brush body has a netted structure which can allow chalk dust to go through; the blackboard eraser casing consists of a front cavity and a back cavity; vent holes are formed between the front cavity and the back cavity; the vent holes are communicated with the atmosphere through the back cavity; an electrical fan is fixedly arranged inside the front cavity; a chalk dust collection cavity is formed at the lower end of the front cavity and communicated with the front cavity; a chalk dust filtration screen is arranged between the electrical fan and the vent holes; a power supply battery of the electrical fan is arranged inside the back cavity; and the bristle body is fixedly arranged on the opening part of the front cavity of the blackboard eraser casing. The utility model has the advantages of simple structure, and convenient use. The utility model solves the problem that the dust rises when the blackboard is used.
Description
Affiliated technical field
The utility model relates to a kind of blackboard eraser of imparting knowledge to students and using, particularly a kind of electric dust absorption blackboard eraser with automatic dust absorption.
Background technology
In the prior art, the blackboard eraser that in black board teaching, uses, there is not any safeguard function, blackboard eraser makes dust let alone to fly upward in air, user and indoor occupant are brought great actual bodily harm, and serious contaminated environment is for solving the technical problem of the broken ring environment that dust lets alone to fly upward in air, the prior art employing is in moist state with blackboard eraser and prevents dust from flying, but moist blackboard eraser can be made troubles to blackboard use next time.
Summary of the invention
For the blackboard eraser that overcomes the prior art use can bring dust from flying, bring the technical deficiency of great actual bodily harm and serious contaminated environment to user and indoor occupant, the utility model designs a kind of electric dust absorption blackboard eraser, solves the technical problem of dust from flying.
The utility model realizes that the technical scheme that goal of the invention adopts is, electric dust absorption blackboard eraser, blackboard eraser hairbrush and blackboard eraser housing, the blackboard eraser hairbrush is fixedly mounted on the blackboard eraser housing, the blackboard eraser hairbrush is made of bristle head and body brush, bristle head is connected with body brush, body brush is can be by the network structure of dust, the blackboard eraser housing is made of ante-chamber and back cavity, be provided with passage between ante-chamber and the back cavity, passage is communicated with atmosphere through back cavity, in ante-chamber, be set with electric fan, be provided with the dust recycling cavity that is communicated with ante-chamber in the ante-chamber lower end, between electric fan and passage, be provided with the dust-filtering net, the supplying cell of electric fan is set in back cavity, and body brush is fixedly installed on the ante-chamber opening part of blackboard eraser housing.
The beneficial effects of the utility model are, and are simple in structure, easy to use, thoroughly solve the dust from flying that brings when blackboard eraser uses, the actual bodily harm and the problem of environmental pollution that bring to user and indoor occupant.
Below in conjunction with accompanying drawing the utility model is elaborated.
Description of drawings
Accompanying drawing is the utility model structural profile schematic diagram.
In the accompanying drawing, 1 bristle head, 2 body brush, 3 blackboard eraser housings, 4 ante-chambers, 5 back cavities, 6 passages, 7 dust-filtering nets, 8 dust recycling cavities, 9 supplying cells, 10 electric fans.
The specific embodiment
Referring to accompanying drawing, electric dust absorption blackboard eraser, blackboard eraser hairbrush and blackboard eraser housing 3, the blackboard eraser hairbrush is fixedly mounted on the blackboard eraser housing 3, the blackboard eraser hairbrush is made of bristle head 1 and body brush 2, bristle head 1 is connected with body brush 2, body brush 2 is can be by the network structure of dust, blackboard eraser housing 3 is made of ante-chamber 4 and back cavity 5, be provided with passage 6 between ante-chamber 4 and the back cavity 5, passage 6 is communicated with atmosphere through back cavity 5, in ante-chamber 4, be set with electric fan 10, be provided with the dust recycling cavity 8 that is communicated with ante-chamber 4, between electric fan 10 and passage 6, be provided with dust-filtering net 7 in ante-chamber 4 lower ends, the supplying cell 9 of electric fan 10 is set in back cavity 5, and body brush 2 is fixedly installed on the ante-chamber 4 front opening places of blackboard eraser housing 3.
The utility model in use, electric fan 10 energisings are rotated, in the ante-chamber 4 of blackboard eraser housing 3, form negative pressure, air enters from the ante-chamber 4 of blackboard eraser housing 3, gets rid of through passage 6, and the person's handwriting on 1 pair of blackboard of bristle head carries out clear, the dust that produces is inhaled in the ante-chamber 4 of blackboard eraser housing 3 by body brush 2, dust filters through dust-filtering net 7, is left in the ante-chamber 4, and enters dust recycling cavity 8.
Be the filtration of reinforcement to dust, but the 7 multilayer settings of dust-filtering net, and the utility model embodiment is set to the 1-4 layer.
Convenient for removing dust, the utility model embodiment is designed to dismountable movable connection structure with dust recycling cavity 8 and ante-chamber 4.
Claims (3)
1, a kind of electric dust absorption blackboard eraser, blackboard eraser hairbrush and blackboard eraser housing, the blackboard eraser hairbrush is fixedly mounted on the blackboard eraser housing, it is characterized in that:
A, described blackboard eraser hairbrush are made of bristle head (1) and body brush (2), and bristle head (1) is connected with body brush (2), and body brush (2) is can be by the network structure of dust;
B, described blackboard eraser housing (3) are made of ante-chamber (4) and back cavity (5), be provided with passage (6) between ante-chamber (4) and the back cavity (5), passage (6) is communicated with atmosphere through back cavity (5), in ante-chamber (4), be set with electric fan (10), be provided with the dust recycling cavity (8) that is communicated with ante-chamber (4) in ante-chamber (4) lower end, between electric fan (10) and passage (6), be provided with dust-filtering net (7), the supplying cell (9) of electric fan (10) is set in back cavity (5);
C, described body brush (2) are fixedly installed on ante-chamber (4) the front opening place of blackboard eraser housing (3).
2, a kind of electric dust absorption blackboard eraser according to claim 1 is characterized in that: described dust-filtering net (7) is set to the 1-4 layer.
3, a kind of electric dust absorption blackboard eraser according to claim 1 and 2 is characterized in that: described dust recycling cavity (8) is dismountable movable connection structure with ante-chamber (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200132513U CN201220559Y (en) | 2008-06-02 | 2008-06-02 | Electric dust-absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200132513U CN201220559Y (en) | 2008-06-02 | 2008-06-02 | Electric dust-absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201220559Y true CN201220559Y (en) | 2009-04-15 |
Family
ID=40574077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200132513U Expired - Fee Related CN201220559Y (en) | 2008-06-02 | 2008-06-02 | Electric dust-absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201220559Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821143A (en) * | 2017-01-17 | 2017-06-13 | 湖州佳星电机有限公司 | A kind of dust suction flat board with air-cleaning function is wiped |
| CN108016195A (en) * | 2017-11-24 | 2018-05-11 | 佛山市因诺威特科技有限公司 | A kind of anti-airborne dust blackboard eraser of portable |
-
2008
- 2008-06-02 CN CNU2008200132513U patent/CN201220559Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106821143A (en) * | 2017-01-17 | 2017-06-13 | 湖州佳星电机有限公司 | A kind of dust suction flat board with air-cleaning function is wiped |
| CN108016195A (en) * | 2017-11-24 | 2018-05-11 | 佛山市因诺威特科技有限公司 | A kind of anti-airborne dust blackboard eraser of portable |
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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: 20090415 |