CN202641184U - Electric blackboard eraser - Google Patents
Electric blackboard eraser Download PDFInfo
- Publication number
- CN202641184U CN202641184U CN 201220308605 CN201220308605U CN202641184U CN 202641184 U CN202641184 U CN 202641184U CN 201220308605 CN201220308605 CN 201220308605 CN 201220308605 U CN201220308605 U CN 201220308605U CN 202641184 U CN202641184 U CN 202641184U
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- shell
- electric
- blackboard
- 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 35
- 210000004209 hair Anatomy 0.000 abstract 1
- 230000009323 psychological health Effects 0.000 abstract 1
- 230000006378 damage Effects 0.000 description 4
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 208000030303 breathing problems Diseases 0.000 description 1
- 230000001684 chronic effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 210000004072 lung Anatomy 0.000 description 1
- 208000001491 myopia Diseases 0.000 description 1
- 230000004379 myopia Effects 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 206010035653 pneumoconiosis Diseases 0.000 description 1
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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The utility model discloses an electric blackboard eraser, belonging to a teaching instrument and mainly solving the problem that a traditional blackboard eraser takes time and labor and is insanitary. The electric blackboard eraser structurally comprises a shell, dust collectors and a dust storage box, wherein two micro electric dust collectors are arranged in parallel inside the shell; the shells of the dust collectors are of circular disc shapes with a plurality of eraser hairs; internal circuits are connected with a power supply and a control switch arranged at the bottom of the shell; a drawing type dust storage box is arranged inside the base of the shell; and the opening of the dust storage box is communicated with the dust collector. The electric blackboard eraser disclosed by the utility model solves the technical problem that the physical and psychological health of teachers and students is damaged as the dust flies while a blackboard is erased and has the functions of saving time and labor and erasing the blackboard efficiently and rapidly.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically is a kind of electric blackboard eraser.
Background technology
Class hour on to the student, for important content, teacher is for the ease of student memory and understanding, can write at blackboard every now and then, lower class hour, the student on duty classmate will erase the board, owing to just require great effort when the student erases the board in the position when teacher writes, highly different very much; In addition, the dust that flies upward drop on classmates on hand and with it, also can be inhaled in the lung, because the specific physical performance of chalk, this can cause very large injury to health, and such as pneumoconiosis and various acute and chronic breathing problem that dust causes, dust is to the injury of eyes, ear, skin, can also bring out Other diseases, on the impact of air quality and on impact of myopia etc.
The utility model content
The purpose of this utility model is to provide a kind of electric blackboard eraser, and this blackboard eraser has the function that operation is time saving and energy saving, prevent dust from flying.
The technical scheme in the invention for solving the technical problem is: a kind of electric blackboard eraser, its structure is made of housing, dust catcher and dust-collecting box, be provided with side by side two miniature electric dust suction devices in the described housing, described Body case of cleaner body is the disc with some bristles, internal wiring links to each other with the power supply that is located at housing bottom and gauge tap, be provided with the drawing and pulling type dust-collecting box in the base of housing, the opening of dust-collecting box is connected with dust catcher.
The beneficial effects of the utility model are: during use, close dust-collecting box, plugged, the opening control switch, housing is held in dust catcher work, with dust catcher aim at treat on the blackboard wiped area and about or move up and down blackboard eraser, the bristle of dust catcher is moved reciprocatingly at blackboard, and the bristle of High Rotation Speed is wiped the dust on the blackboard lower and is entered in the dust-collecting box under the suction function of dust catcher at this moment; The utility model efficiently solves dust from flying when erasing the board, the able-bodied technical problem of harm Faculty and Students, and it is time saving and energy saving to have, the function that erases the board fast and efficiently.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Among the figure: 1 housing, 2 dust catchers, 3 power supplys, 4 dust-collecting boxes, 5 gauge taps.
The specific embodiment
As shown in Figure 1.A kind of electric blackboard eraser, its structure is made of housing 1, dust catcher 2 and dust-collecting box 4, described housing 1 is interior to be provided with two miniature electric dust suction devices 2 side by side, described dust catcher 2 shell bodies are the disc with some bristles, internal wiring links to each other with the power supply 3 that is located at housing 1 bottom and gauge tap 5, be provided with drawing and pulling type dust-collecting box 4 in the base of housing 1, the opening of dust-collecting box 4 is connected with dust catcher 2.
During use, close dust-collecting box 4, plugged, open gauge tap 5, housing 1 is held in dust catcher 2 work, with dust catcher 2 aim at treat on the blackboards wiped area and about or move up and down blackboard eraser, the bristle of dust catcher 2 is moved reciprocatingly at blackboard, and the bristle of High Rotation Speed is wiped the dust on the blackboard lower and is entered in the dust-collecting box 4 under the suction function of dust catcher 2 at this moment; The utility model efficiently solves dust from flying when erasing the board, the able-bodied technical problem of harm Faculty and Students, and it is time saving and energy saving to have, the function that erases the board fast and efficiently.
Claims (1)
1. electric blackboard eraser, it is characterized in that, consisted of by housing, dust catcher and dust-collecting box, be provided with side by side two miniature electric dust suction devices in the described housing, described Body case of cleaner body is the disc with some bristles, internal wiring links to each other with the power supply that is located at housing bottom and gauge tap, is provided with the drawing and pulling type dust-collecting box in the base of housing, and the opening of dust-collecting box is connected with dust catcher.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308605 CN202641184U (en) | 2012-06-29 | 2012-06-29 | Electric blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220308605 CN202641184U (en) | 2012-06-29 | 2012-06-29 | Electric blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202641184U true CN202641184U (en) | 2013-01-02 |
Family
ID=47410341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220308605 Expired - Fee Related CN202641184U (en) | 2012-06-29 | 2012-06-29 | Electric blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202641184U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528113A (en) * | 2018-06-28 | 2018-09-14 | 张晶 | A kind of energy conservation and environmental protection blackboard eraser |
-
2012
- 2012-06-29 CN CN 201220308605 patent/CN202641184U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528113A (en) * | 2018-06-28 | 2018-09-14 | 张晶 | A kind of energy conservation and environmental protection 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: 20130102 Termination date: 20130629 |