CN87212721U - Automatic ac dust-absorption eraser - Google Patents
Automatic ac dust-absorption eraser Download PDFInfo
- Publication number
- CN87212721U CN87212721U CN 87212721 CN87212721U CN87212721U CN 87212721 U CN87212721 U CN 87212721U CN 87212721 CN87212721 CN 87212721 CN 87212721 U CN87212721 U CN 87212721U CN 87212721 U CN87212721 U CN 87212721U
- Authority
- CN
- China
- Prior art keywords
- dust
- eraser
- blackboard
- automatic
- utility
- 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.)
- Withdrawn
Links
Images
Abstract
The utility model provides an automatic AC dust-absorption eraser, primarily composed of a cross eraser, the exhaust fans, a motor driving the exhaust fans to rotate, the isolated cover of the motor, a dust-proof cover arranged on the front end of the motor and a dust filtering box arranged in the lower part of the dust-proof cover. The utility model uses the AC (the voltage is 220V ) as the power. Through the rotation of the motor driving the eraser of the dust-proof cover and the exhaust fan to rotate, when the eraser erasing the blackboard, the dust is exhausted into a dust filtering cover from a dust exhausting hole through the action of the exhaust fan, in order to achieve the purposes of automatic erasing the blackboard and dust removal. Compared with the existing eraser, the utility model has the advantages of convenient and labor saving use, favorable dust-absorption effect, effectively preventing the air pollution caused by erasing the blackboard, so the automatic AC dust-absorption eraser is an ideal teaching appliance.
Description
The utility model is that a kind of alternating current automatic dust-absorbing blackboard is wiped, and belongs to a kind of realia.
The blackboard eraser of prior art is generally wooden pig palm fibre structure, widespread usage in teaching, though simple in structure, cost is low, it is very firmly hard manually to erase the board with it, when particularly erasing the board, dust fills the air, air pollution, seriously influenced the healthy of teachers and students.
The purpose of this utility model is to wipe for the shortcoming that overcomes existing blackboard eraser provides a kind of alternating current automatic dust-absorbing blackboard.
Main points of the present utility model are, are closed with several parts such as electrical machine insulation cover by micromachine, blackboard eraser, ventilating fan, plastics dust cover, filter dirt and form.
Fig. 1 is a three-view diagram of the present utility model, and Fig. 2 is an oblique view of the present utility model.Describe architectural feature of the present utility model below with reference to the accompanying drawings in detail.
According to illustrated in figures 1 and 2: micromachine 1 outside is provided with insulating boot 2, and the top of insulating boot is equipped with switch 7 and several little louvres, and the effect of insulating boot has been insulating effect, and the while also uses as the handle of this blackboard eraser. The front end of micromachine 1 is provided with dust cover 3, and the blackboard eraser 4 and the ventilating fan 5 that are right-angled intersection are housed in the rotating shaft of micromachine, and board wiper plane substantially bottom equal with the dust cover mouth, dust cover 3 has dust exhausting hole to close 6 with the movable filter dirt of dust cover bottom to communicate.
In order to change and regulate the convenience of blackboard eraser, blackboard eraser 4 and ventilating fan 5 are to be screwed in earlier on the axle sleeve adjustable on the motor shaft, and axle sleeve one side has jackscrew, and blackboard eraser and ventilating fan are played fixation, can be according to the degree of wear of blackboard eraser, at any time to adjusted. During use, elder generation's plugged, hand is held the insulating boot that automatic dust-absorbing blackboard is wiped, and opens switch, driven by motor blackboard eraser and ventilating fan rotation, board wiper plane is affixed on the blackboard, the automatic scrubbing blackboard by the rotation of blackboard eraser, the while ventilating fan enters filter dirt with dust by dust exhausting hole and closes, and reaches the purpose of automatic blackboard cleaning and dedusting, its filter dirt is combined into sliding movable, can at any time remove filter dirt and close interior powder.
The utility model is simple in structure, and is reasonable in design, easy to use, and elegant in appearance and now general ordinary blackboard eraser is compared, and has advantages such as time saving and energy saving, dedusting, is a kind of desirable realia.
Claims (2)
1, a kind of alternating current automatic dust-absorbing blackboard wiping is to be power with the alternating current, it comprises a blackboard eraser, ventilating fan (two pages), it is characterized in that blackboard eraser and ventilating fan are right-angled intersection, and drive their motor rotating and electrical machine insulation cover, be contained in the dust cover of motor front end, the movable filter dirt box that is contained in the dust cover bottom is formed.
2, wipe according to claims 1 described alternating current automatic dust-absorbing blackboard, it is characterized in that said blackboard eraser and ventilating fan are to be connected and fixed by axle sleeve and machine shaft adjustable on the motor shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212721 CN87212721U (en) | 1987-10-14 | 1987-10-14 | Automatic ac dust-absorption eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 87212721 CN87212721U (en) | 1987-10-14 | 1987-10-14 | Automatic ac dust-absorption eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN87212721U true CN87212721U (en) | 1988-06-08 |
Family
ID=4827334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 87212721 Withdrawn CN87212721U (en) | 1987-10-14 | 1987-10-14 | Automatic ac dust-absorption eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN87212721U (en) |
-
1987
- 1987-10-14 CN CN 87212721 patent/CN87212721U/en not_active Withdrawn
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107774601B (en) | Dust-free cleaning device for blackboard eraser | |
| CN87212721U (en) | Automatic ac dust-absorption eraser | |
| CN2328531Y (en) | Dust removing blackboard brush | |
| CN211839186U (en) | Dustless cleaning device of blackboard eraser | |
| CN2048431U (en) | Caterpillar blackboard brush with dust pan | |
| CN208558801U (en) | A kind of roller brush type electric dust absorption blackboard eraser | |
| CN2163750Y (en) | Electric dust-absorbing eraser | |
| CN2435247Y (en) | Chalk dust absorbing eraser | |
| CN2338180Y (en) | Electric chalk dust absorbing blackboard eraser | |
| CN2530581Y (en) | Multi-functional practical electric cleaner | |
| CN2102711U (en) | Electronic dust remover | |
| CN2262891Y (en) | Combined electrostatic precipitator | |
| CN2480248Y (en) | Portable multi-function duster for car | |
| CN2415941Y (en) | Electric blackboard eraser | |
| CN207549813U (en) | A kind of automatic dust removing machinery formula blackboard eraser | |
| CN2393730Y (en) | Electric dust collecting eraser | |
| CN2236284Y (en) | Portable electric polisher for shoes | |
| CN2319231Y (en) | Dust sucking electromagnetic eraser | |
| CN2075150U (en) | Precipitating blackboard eraser | |
| CN2497987Y (en) | Automatic duster for blackboard | |
| CN2417819Y (en) | Screen window brush | |
| CN2354430Y (en) | Dust-collecting elastic brush | |
| CN2750936Y (en) | Full-automatic blackboard eraser | |
| CN2541204Y (en) | Dustless high efficiency automatic blackboard eraser | |
| CN2702866Y (en) | Automatic absorbing dust blackboard eraser |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| 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 |