CN2902756Y - Dustless environmental protection blackboard brush - Google Patents
Dustless environmental protection blackboard brush Download PDFInfo
- Publication number
- CN2902756Y CN2902756Y CN 200620102813 CN200620102813U CN2902756Y CN 2902756 Y CN2902756 Y CN 2902756Y CN 200620102813 CN200620102813 CN 200620102813 CN 200620102813 U CN200620102813 U CN 200620102813U CN 2902756 Y CN2902756 Y CN 2902756Y
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- CN
- China
- Prior art keywords
- brush
- dust
- box
- induced
- draught fan
- 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 discloses a dustless environmental protection blackboard brush, including a brush form (6) and a main body supported case (1). The main body supported case (1) is divided into an upper and a lower tank form (3, 12). A suction fan (2) is fixed in the upper tank form (3). The lower tank form (12) is provided with a supporting drawer (10) which is provided with a dust bunker (9) on the top. Inlet of the suction fan (2) is connected with the brush form (6) via dust pipe (4). Outlet of the suction fan (2) is connected with the dust chimney (8), vent of which is inserted in the dust bunker (9) of the lower tank form (12); the brush form (6) is hollow and is permanently provided with brushing hair (14) on its brush board. The brush board around the brushing hair (14) is provided with dust absorbed troughs (13, 15) communicated with the left and the right, the up and the down with the cavity. Adopting the foregoing structure, pollution problems of the chalk dust to the teaching environment is basically solved. The utility model has the advantages of simple and reasonable structure, usableness, well performance in dedusting or the like.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly a kind of in wiping process the automatic blackboard brush of sucking chalk powder.
Background technology
As everyone knows, blackboard and the chalk teaching aid that in teaching process, is absolutely necessary, the teacher demonstrates on blackboard by chalk and comes impart knowledge, but the chalk dust severe contamination teaching environment that in the brushing process, produces, this has not only greatly endangered the healthy of teachers and students, particularly the teacher also stays occupational disease easily, and is unfavorable for the hygiene in classroom, very easily produces secondary pollution; Along with the development of society and the raising of science and technology, the harm that chalk dust produces more and more is subjected to the attention of various circles of society, and the improvement research and the design of blackboard brush emerge in an endless stream, but do not have ideal method to solve this problem so far as yet; Therefore, the pollution of solution chalk dust more and more becomes extremely urgent problem.
Summary of the invention
In order to overcome the above-mentioned disadvantage that existing blackboard brush exists, the utility model provides a kind of simple and reasonable, easy to use, dustless environment friendly blackboard brush that pick-up performance is good.The technical scheme that its technical problem that solves the utility model adopts, it comprises brush body, main body bearing box, described main body bearing box is divided into upper and lower casing, be fixed with induced-draught fan in the upper box, be provided with the carrying drawer in the lower box, the carrying drawer is provided with disposal box, and the inlet scoop of induced-draught fan is connected with brush body by sweep-up pipe, the exhaust outlet of induced-draught fan connects dust flue, and the outlet of dust flue is inserted in the disposal box of lower box.
Described brush body is a ducted body, is fixed with bristle on the brush board of brush body, and the brush board of bristle both sides is provided with the left and right sides dust-absorbing groove that communicates with chamber, and the brush board of bristle upper and lower sides is provided with the dust-absorbing groove up and down that communicates with chamber.
Described brush body is provided with power switch, and switch connection is laid in sweep-up pipe, and the one end is connected with power switch, and the other end is connected with induced-draught fan.
After adopting said structure, in the brushing process, the chalk dust that bristle wiping letter written with chalk produces sucks by the left and right sides dust-absorbing groove that reaches up and down on the brush board, enter disposal box by induced-draught fan from dust flue, and, eliminated the dust that in the brushing process, produces basically, thereby keep teaching environment clean and tidy, clean by the absorption of the mucus in the disposal box, make teachers and students exempt from the harm of chalk dust, have advantages such as simple and reasonable, easy to use, good dedusting effect.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the brush board structural representation of brush body.
The specific embodiment
Fig. 1, shown in Figure 2, specific embodiments for the dustless environment friendly blackboard brush of the utility model, it comprises brush body 6, main body bearing box 1, it is two-layer that described main body bearing box 1 is divided into upper and lower casing 3,12, be fixed with induced-draught fan 2 in the upper box 3, be provided with carrying drawer 10 in the lower box 12, carrying drawer 10 is provided with disposal box 9, place the mucus 12 that adheres to chalk dust in the disposal box 9, the inlet scoop of induced-draught fan 2 is connected with brush body 6 by sweep-up pipe 4, the exhaust outlet of induced-draught fan 2 connects dust flue 8, and the outlet of dust flue 8 is inserted in the disposal box 9 of lower box 12.Described brush body 6 is a ducted body, be fixed with bristle 14 on the brush board of brush body 6, the brush board of bristle 14 both sides is provided with the left and right sides dust-absorbing groove 13 that communicates with chamber, and the brush board of bristle 14 upper and lower sides is provided with the dust-absorbing groove up and down 15 that communicates with chamber, for the ease of hanging up, on brush body 6, also be provided with hangers 16.For the ease of using operation, described brush body 6 is provided with power switch 7; In order to prevent that switch connection 5 from exposing, switch connection 5 is laid in sweep-up pipe 4, and the one end is connected with power switch 7, and the other end is connected with induced-draught fan 2, can improve the security performance in the use.
Claims (3)
1, a kind of dustless environment friendly blackboard brush, comprise brush body (6), main body bearing box (1), it is characterized in that: described main body bearing box (1) is divided into upper and lower casing (3,12), be fixed with induced-draught fan (2) in the upper box (3), be provided with carrying drawer (10) in the lower box (12), carrying drawer (10) is provided with disposal box (9), the inlet scoop of induced-draught fan (2) is connected with brush body (6) by sweep-up pipe (4), the exhaust outlet of induced-draught fan (2) connects dust flue (8), and the outlet of dust flue (8) is inserted in the disposal box (9) of lower box (12).
2, dustless environment friendly blackboard brush according to claim 1, it is characterized in that: described brush body (6) is a ducted body, be fixed with bristle (14) on the brush board of brush body (6), the brush board of bristle (14) both sides is provided with the left and right sides dust-absorbing groove (13) that communicates with chamber, and the brush board of bristle (14) upper and lower sides is provided with the dust-absorbing groove up and down (15) that communicates with chamber.
3, dustless environment friendly blackboard brush according to claim 1 and 2, it is characterized in that: described brush body (6) is provided with power switch (7), switch connection (5) is laid in sweep-up pipe (4), and the one end is connected with power switch (7), and the other end is connected with induced-draught fan (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102813 CN2902756Y (en) | 2006-04-15 | 2006-04-15 | Dustless environmental protection blackboard brush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102813 CN2902756Y (en) | 2006-04-15 | 2006-04-15 | Dustless environmental protection blackboard brush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2902756Y true CN2902756Y (en) | 2007-05-23 |
Family
ID=38078162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620102813 Expired - Fee Related CN2902756Y (en) | 2006-04-15 | 2006-04-15 | Dustless environmental protection blackboard brush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2902756Y (en) |
-
2006
- 2006-04-15 CN CN 200620102813 patent/CN2902756Y/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: 20070523 Termination date: 20100415 |