CN2471560Y - Automatic dust-collecting eraser - Google Patents
Automatic dust-collecting eraser Download PDFInfo
- Publication number
- CN2471560Y CN2471560Y CN 01207650 CN01207650U CN2471560Y CN 2471560 Y CN2471560 Y CN 2471560Y CN 01207650 CN01207650 CN 01207650 CN 01207650 U CN01207650 U CN 01207650U CN 2471560 Y CN2471560 Y CN 2471560Y
- Authority
- CN
- China
- Prior art keywords
- housing
- dust
- storeroom
- automatic dust
- motor
- 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
Images
Abstract
The utility model relates to an automatic dust absorption blackboard eraser, comprising a housing and brushes; wherein, the brushes are arranged on the surface of the housing; a wind wheel, a motor, a battery room and a filter screen are arranged in the housing; the surface of the housing between the brushes is provided with a plurality of suction holes; the filter screen is arranged at a vent of the storeroom; the wind wheel is connected with the output shaft of the motor; the housing is provided with a plurality of exhaust ports corresponding to the wind wheel. The utility model has the advantages of simple structure and convenient operation, the dust is absorbed into the storeroom using the degasification of the wind wheel, thereby preventing the dust from diffusing around in the process of effacers, and greatly improving the teaching environment and eliminating the influence of the chalk dust on human health.
Description
The utility model is a kind of automatic dust-absorption eraser.
At present, most of schools generally adopt the blackboard eraser that has hairbrush easily to remove chalk writing on the blackboard, in the process that erases the board dust easily to around diffusion, both polluted classroom environment, also health is affected.
The purpose of this utility model is to provide a kind of automatic dust-absorption eraser simple in structure, easy to use that can effectively absorb dust.
The utility model is achieved in that a kind of automatic dust-absorption eraser, comprise housing and hairbrush, hairbrush is positioned at the surface of housing, be provided with fan blade, motor, battery chamber and screen pack in the housing, surface of shell between the hairbrush has some suction holes, and this suction hole is communicated with the storeroom of enclosure interior, and the place of giving vent to anger of storeroom is provided with screen pack, fan blade is connected with the output shaft of motor, and housing is provided with the steam vent corresponding with fan blade.
Can be provided with corresponding charging socket on the described housing with the battery chamber.
Also can be provided with charging indicator light on the described housing and dispose corresponding circuit board.
The utility model is simple in structure, and is easy to use, utilizes the scavenging action of fan blade, dust is sucked storeroom, avoided blackboard eraser dust in the process that erases the board greatly to improve teaching environment, eliminated chalk dust health effects to diffusion all around.
Below in conjunction with embodiment the utility model is described in detail:
Fig. 1 is a structural representation of the present utility model.
With reference to figure 1, automatic dust-absorption eraser comprises housing 10 and hairbrush 9, hairbrush 9 is positioned at the surface of housing 10, be provided with fan blade 1, motor 2, battery chamber 3 and screen pack 4 in the housing 10, housing 10 surfaces between the hairbrush 9 have some suction holes 8, this suction hole 8 is communicated with the storeroom 7 of the storage dust of enclosure interior, the place of giving vent to anger of storeroom 7 is provided with screen pack 4, so that dust is intercepted in storeroom 7, the suction and the discharge of air-flow in the storeroom 7 have been guaranteed simultaneously again, fan blade 1 is connected with the output shaft of motor 2, and housing is provided with the steam vent corresponding with fan blade.In battery chamber 3, load onto battery, Push switch, motor 2 drives fan blade 1 and rotates and outwards exhaust, produces negative pressure in storeroom 7, hairbrush 9 is wiped the dust that falls and is sucked storeroom 7 by suction hole 8, because the obstruct of screen pack 4, dust is stored in the storeroom 7.
For easy to use, described housing 10 is provided with the 3 corresponding charging sockets 6 with the battery chamber, also can be provided with charging indicator light on the housing 10 and dispose corresponding circuit board 5.
Claims (3)
1. automatic dust-absorption eraser, comprise housing and hairbrush, hairbrush is positioned at the surface of housing, it is characterized in that: be provided with fan blade, motor, battery chamber and screen pack in the housing, surface of shell between the hairbrush has some suction holes, and this suction hole is communicated with the storeroom of enclosure interior, and the place of giving vent to anger of storeroom is provided with screen pack, fan blade is connected with the output shaft of motor, and housing is provided with the steam vent corresponding with fan blade.
2. automatic dust-absorption eraser as claimed in claim 1 is characterized in that: described housing is provided with the corresponding charging socket with the battery chamber.
3. automatic dust-absorption eraser as claimed in claim 1 or 2 is characterized in that: described housing is provided with charging indicator light and disposes corresponding circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207650 CN2471560Y (en) | 2001-03-22 | 2001-03-22 | Automatic dust-collecting eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01207650 CN2471560Y (en) | 2001-03-22 | 2001-03-22 | Automatic dust-collecting eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2471560Y true CN2471560Y (en) | 2002-01-16 |
Family
ID=33627981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01207650 Expired - Fee Related CN2471560Y (en) | 2001-03-22 | 2001-03-22 | Automatic dust-collecting eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2471560Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644222A (en) * | 2015-06-11 | 2016-06-08 | 杨正兰 | Automatic dust-adsorbing chalk brush |
| CN105667151A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalk eraser with filter |
| CN105667153A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser |
| CN105667152A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser with chalk dust collecting bin |
| CN105711307A (en) * | 2016-04-26 | 2016-06-29 | 黄自武 | Dust-absorbing blackboard eraser |
| CN105818587A (en) * | 2016-06-13 | 2016-08-03 | 辛顺强 | Dust-free blackboard eraser |
| CN105856925A (en) * | 2015-07-13 | 2016-08-17 | 中山市丰申电器有限公司 | Energy-storage type blackboard eraser with chalk ash barrel |
-
2001
- 2001-03-22 CN CN 01207650 patent/CN2471560Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105644222A (en) * | 2015-06-11 | 2016-06-08 | 杨正兰 | Automatic dust-adsorbing chalk brush |
| CN105667151A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalk eraser with filter |
| CN105667153A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser |
| CN105667152A (en) * | 2015-07-09 | 2016-06-15 | 晋江市东亨工业设计有限公司 | Chalkboard eraser with chalk dust collecting bin |
| CN105856925A (en) * | 2015-07-13 | 2016-08-17 | 中山市丰申电器有限公司 | Energy-storage type blackboard eraser with chalk ash barrel |
| CN105711307A (en) * | 2016-04-26 | 2016-06-29 | 黄自武 | Dust-absorbing blackboard eraser |
| CN105818587A (en) * | 2016-06-13 | 2016-08-03 | 辛顺强 | Dust-free blackboard eraser |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202463379U (en) | Dust-absorption blackboard eraser | |
| CN2471560Y (en) | Automatic dust-collecting eraser | |
| CN201633409U (en) | Electric dust-absorption blackboard eraser | |
| CN207094843U (en) | Indoor air-purification device | |
| CN2219216Y (en) | Blackboard eraser with means for absorbing chalk dust | |
| CN207094842U (en) | Energy-saving purifier | |
| CN201900907U (en) | Dust absorption blackboard eraser | |
| CN2282992Y (en) | Electric dust-absorption blackboard eraser | |
| CN212313150U (en) | Dust-absorbing blackboard eraser | |
| CN2451354Y (en) | Netless type electric dust-sucking blackboard eraser | |
| CN102485509A (en) | Semiautomatic dust absorption blackboard eraser device | |
| CN2435247Y (en) | Chalk dust absorbing eraser | |
| CN213199312U (en) | Mathematics teaching tool dust collector | |
| CN219325682U (en) | Novel dust-absorbing blackboard eraser | |
| CN212236588U (en) | Paint waste gas treatment device in coating industry | |
| CN2134930Y (en) | Water-washed air-dried eraser | |
| CN201086563Y (en) | Dust absorption blackboard | |
| CN2243391Y (en) | Pore absorbing dustless blackboard | |
| CN2342996Y (en) | Chalk dust-absorbing blackboard eraser | |
| CN2747071Y (en) | Electric chalk-dust sucking eraser | |
| CN2299726Y (en) | Charging chalk dust absorbing eraser | |
| CN2420144Y (en) | Dust suction blackboard eraser | |
| CN2475575Y (en) | Dustless blackboard eraser | |
| CN2585767Y (en) | Ash collector of eraser | |
| CN2384790Y (en) | Electric dust-collecting blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |