CN202016342U - Dust-absorption chalk eraser - Google Patents
Dust-absorption chalk eraser Download PDFInfo
- Publication number
- CN202016342U CN202016342U CN2010206896797U CN201020689679U CN202016342U CN 202016342 U CN202016342 U CN 202016342U CN 2010206896797 U CN2010206896797 U CN 2010206896797U CN 201020689679 U CN201020689679 U CN 201020689679U CN 202016342 U CN202016342 U CN 202016342U
- Authority
- CN
- China
- Prior art keywords
- dust absorption
- chalkboard eraser
- dust
- battery case
- absorption passage
- 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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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model relates to a dust-absorption chalk eraser composed of a chalk eraser shell, a brush and a dust absorption mechanism. The dust absorption mechanism is arranged inside the combined body of the chalk eraser shell and the brush, and composed of a miniature motor, a battery case, an ash box, a filter screen cover, a main dust absorption channel and a fine dust absorption channel. The motor is arranged in the chalk eraser shell. The battery case is arranged on the upper top surface of the chalk eraser shell and provided with a battery case cover. The main dust absorption channel is arranged at the centre of the bottom surface of the brush and formed like a stripe. The fine dust absorption channel is arranged on each side end of the brush, and all the fine dust absorption channels are communicated with the main dust absorption channel. Besides, the main dust absorption channel is communicated with the miniature motor. The chalk eraser of the utility model is combined with the miniature dust absorption mechanism to absorb the erased chalk ash in the ash box, thereby effectively maintaining the body health of teachers and students.
Description
Technical field:
The utility model relates to a kind of educational aid, a kind of specifically dust suction chalkboard eraser.
Background technology:
In teaching, blackboard is the teaching essential tool, though existing at present multimedia, blackboard still is that practicality is the most ancient, the educational aid that most convenient is also the most practical, and teaching is still used it mostly.What the chalk dust of wiping with chalkboard eraser flew is that the air ambient, the especially teacher that pollute the classroom are suffering the infringement of chalk dust every day with the classmate who is sitting in the front row, have a strong impact on the healthy of teacher and classmates everywhere.
The utility model content:
In order effectively to address the above problem, the purpose of this utility model discloses a kind of dust suction chalkboard eraser, and it adopts a dust exhaust apparatus is installed on the chalkboard eraser housing.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of dust suction chalkboard eraser, it is characterized in that it is made up of chalkboard eraser housing 1, bristle 6 and dust collection mechanism, and described dust collection mechanism is located at chalkboard eraser housing 1 and bristle 6 association inside;
Described dust collection mechanism is made up of miniature motor 3, battery case 2, powder box 4, filter cover 5, main dust absorption passage 7 and thin dust absorption passage 8, described motor 3 is located in the chalkboard eraser housing 1, battery case 2 is located at end face on the chalkboard eraser housing 1, is furnished with battery case lid 9 on the battery case 2; Described main dust absorption passage 7 is located at the bottom surface central authorities of bristle 6, main dust absorption passage 7 into strips, thin dust absorption passage 8 is located at each side of bristle 6, all thin dust absorption passages 8 all are communicated with main dust absorption passage 7, main dust absorption passage 7 is communicated with miniature motor 3; Described powder box 4 is located in the chalkboard eraser housing 1 and is communicated with miniature motor 3, also is provided with filter cover 5 on the powder box 4; Also be provided with microswitch 10 on the described chalkboard eraser housing 1.
The beneficial effects of the utility model are: the utility model chalkboard eraser and the combination of small duster device, the chalk dust of wiping is sucked in the powder box, and effectively safeguarded the healthy of Faculty and Students.
Description of drawings:
Below in conjunction with description of drawings and embodiment the utility model is further specified
Fig. 1 is the utility model front view
Fig. 2 is the utility model left view
Fig. 3 is the utility model vertical view
Wherein, 1-chalkboard eraser housing, 2-battery case, 3-miniature motor, 4-powder box, 5-filter cover, 6-bristle, 7-master's dust absorption passage, the thin dust absorption passage of 8-, 9-battery case lid, 10-microswitch
The specific embodiment:
In Fig. 1, Fig. 2, the described embodiment of Fig. 3, a kind of dust suction chalkboard eraser is characterized in that: it is made up of chalkboard eraser housing 1, bristle 6 and dust collection mechanism, and described dust collection mechanism is located at chalkboard eraser housing 1 and bristle 6 association inside; Described dust collection mechanism is made up of miniature motor 3, battery case 2, powder box 4, filter cover 5, main dust absorption passage 7 and thin dust absorption passage 8, described motor 3 is located at chalkboard eraser housing 1 inside, battery case 2 is located at end face on the chalkboard eraser housing 1, is furnished with battery case lid 9 on the battery case 2; Described main dust absorption passage 7 is located at the bottom surface central authorities of bristle 6, main dust absorption passage 7 into strips, thin dust absorption passage 8 is located at each side of bristle 6, all thin dust absorption passages 8 all are communicated with main dust absorption passage 7, main dust absorption passage 7 is communicated with miniature motor 3; Described powder box 4 is located in the chalkboard eraser housing 1 and is communicated with miniature motor 3, also is provided with filter cover 5 on the powder box 4; Also be provided with microswitch 10 on the described chalkboard eraser housing 1.
When using the utility model, open battery case lid 9, two joint dry cells are packed in the battery case 2, cover battery case lid 9, open microswitch 10, miniature motor 3 beginning quick rotation are got up.When erasing the board, chalk dust follows air to suck in the powder box 4 from main dust absorption passage 7 and each dust absorption passage 8 of bristle 6 sides of bristle 6 bottom surfaces, and square 5 filters after filtration, and the chalk dust quilt is every in powder box 4, and air is discharged from filter cover.After having wiped blackboard, turn off microswitch 10, open filter cover 5, the chalk dust in the powder box 4 is poured out.
Claims (4)
1. dust suction chalkboard eraser, it is characterized in that: it is made up of chalkboard eraser housing (1), bristle (6) and dust collection mechanism, and described dust collection mechanism is located at chalkboard eraser housing (1) and bristle (6) association inside.
2. dust suction chalkboard eraser according to claim 1, it is characterized in that: described dust collection mechanism has miniature motor (3), battery case (2), powder box (4), filter cover (5), main dust absorption passage (7) and thin dust absorption passage (8) to form, motor (3) is located in the chalkboard eraser housing (1), battery case (2) is located at chalkboard eraser housing (1) and goes up end face, is furnished with battery case lid (9) on the battery case (2), powder box (4) is located in the chalkboard eraser housing (1) and is communicated with miniature motor (3), also is provided with filter cover (5) on the powder box (4).
3. dust suction chalkboard eraser according to claim 2, it is characterized in that: described main dust absorption passage (7) is located at the bottom surface central authorities of bristle (6), main dust absorption passage (7) into strips, thin dust absorption passage (8) is located at each side of bristle (6), all thin dust absorption passages (8) all are communicated with main dust absorption passage (7), and main dust absorption passage (7) is communicated with miniature motor (3).
4. dust suction chalkboard eraser according to claim 1 is characterized in that: also be provided with microswitch (10) on the described chalkboard eraser housing (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896797U CN202016342U (en) | 2010-12-29 | 2010-12-29 | Dust-absorption chalk eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206896797U CN202016342U (en) | 2010-12-29 | 2010-12-29 | Dust-absorption chalk eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202016342U true CN202016342U (en) | 2011-10-26 |
Family
ID=44810018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206896797U Expired - Fee Related CN202016342U (en) | 2010-12-29 | 2010-12-29 | Dust-absorption chalk eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202016342U (en) |
-
2010
- 2010-12-29 CN CN2010206896797U patent/CN202016342U/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: 20111026 Termination date: 20111229 |