CN201456824U - Electric dust-suction blackboard eraser - Google Patents
Electric dust-suction blackboard eraser Download PDFInfo
- Publication number
- CN201456824U CN201456824U CN2009200867637U CN200920086763U CN201456824U CN 201456824 U CN201456824 U CN 201456824U CN 2009200867637 U CN2009200867637 U CN 2009200867637U CN 200920086763 U CN200920086763 U CN 200920086763U CN 201456824 U CN201456824 U CN 201456824U
- Authority
- CN
- China
- Prior art keywords
- brush body
- dust
- blackboard eraser
- battery pack
- brush
- 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 33
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 230000001105 regulatory Effects 0.000 description 1
Abstract
An electric dust-suction blackboard eraser comprises a brush body, brush bristles and a retractable handle, wherein the retractable handle is connected with the brush body; the brush bristles are arranged on the brush body; dust suction holes are disposed on the brush body between adjacent bristles; a battery pack, a dust suction motor and a dust box are arranged inside the brush body; and the dust suction motor is connected with the battery pack and a switch positioned on the brush body through lead wires. By adopting the above structure, the blackboard eraser can suck chalk dust into the dust box inside the blackboard eraser through the dust suction holes when used, thereby chalk dust is prevented from flying around and environmental sanitation of classrooms is not affected.
Description
Technical field
The utility model relates to a kind of improvement of blackboard eraser, particularly a kind of electric dust absorption blackboard eraser.
Background technology
Existing blackboard eraser is when erasing the board, and usually chalk dust flies upward everywhere, influences the environmental sanitation in classroom.
Summary of the invention
The purpose of this utility model will provide a kind of electric dust absorption blackboard eraser exactly, and it can suck chalk dust in the dust box in the blackboard eraser, has avoided chalk dust to fly upward everywhere, does not influence the environmental sanitation in classroom.
The purpose of this utility model is achieved in that a kind of electric dust absorption blackboard eraser, comprise brush body, bristle and telescopic handle, telescopic handle links to each other with brush body, brush body is provided with bristle, brush body between adjacent bristle is provided with air suction opening, be provided with battery pack, dust suction motor and dust box in the brush body, the dust suction motor links to each other with switch on the brush body by lead and battery pack.
Owing to adopt said structure, so blackboard eraser can suck chalk dust in the dust box in the blackboard eraser by air suction opening when using, avoided chalk dust to fly upward everywhere, do not influence the environmental sanitation in classroom.
Description of drawings
Concrete structure of the present utility model is provided by following embodiment and accompanying drawing thereof.
Fig. 1 is a structural representation of the present utility model.
Fig. 1 double as Figure of abstract.
Among the figure: 1, brush body, 2, bristle, 3, handle, 4, air suction opening, 5, switch.
The specific embodiment
As shown in Figure 1, a kind of electric dust absorption blackboard eraser, comprise brush body 1, bristle 2 and telescopic handle 3, telescopic handle 3 links to each other with brush body 1, brush body 1 is provided with bristle 2, the brush body 1 that adjacent bristle is 2 is provided with air suction opening 4, is provided with battery pack, dust suction motor and dust box in the brush body 1, and the dust suction motor links to each other with switch 5 on the brush body 1 by lead and battery pack.
During use, open switch 5, the dust suction motor is started working, and the chalk dust when bristle 2 erases the board just enters in the dust box in the brush body 1 by air suction opening 4.Also can be as required, the length of regulating handle 3 is to adapt to different height students' requirement.
Claims (1)
1. electric dust absorption blackboard eraser, comprise brush body (1), bristle (2) and telescopic handle (3), telescopic handle (3) links to each other with brush body (1), it is characterized in that: brush body (1) is provided with bristle (2), brush body (1) between adjacent bristle (2) is provided with air suction opening (4), be provided with battery pack, dust suction motor and dust box in the brush body (1), the dust suction motor links to each other with switch (5) on the brush body (1) by lead and battery pack.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200867637U CN201456824U (en) | 2009-06-19 | 2009-06-19 | Electric dust-suction blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200867637U CN201456824U (en) | 2009-06-19 | 2009-06-19 | Electric dust-suction blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201456824U true CN201456824U (en) | 2010-05-12 |
Family
ID=42384178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200867637U Expired - Fee Related CN201456824U (en) | 2009-06-19 | 2009-06-19 | Electric dust-suction blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201456824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267321A (en) * | 2010-10-26 | 2011-12-07 | 上海市黄浦区新凌小学 | Telescopic blackboard eraser |
| CN107139620A (en) * | 2017-07-04 | 2017-09-08 | 无锡市南长街小学 | A kind of telescopic sanitary type blackboard eraser |
-
2009
- 2009-06-19 CN CN2009200867637U patent/CN201456824U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102267321A (en) * | 2010-10-26 | 2011-12-07 | 上海市黄浦区新凌小学 | Telescopic blackboard eraser |
| CN107139620A (en) * | 2017-07-04 | 2017-09-08 | 无锡市南长街小学 | A kind of telescopic sanitary type blackboard eraser |
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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: 20100512 Termination date: 20100619 |