CN2342996Y - Chalk dust-absorbing blackboard eraser - Google Patents
Chalk dust-absorbing blackboard eraser Download PDFInfo
- Publication number
- CN2342996Y CN2342996Y CN 98222057 CN98222057U CN2342996Y CN 2342996 Y CN2342996 Y CN 2342996Y CN 98222057 CN98222057 CN 98222057 CN 98222057 U CN98222057 U CN 98222057U CN 2342996 Y CN2342996 Y CN 2342996Y
- Authority
- CN
- China
- Prior art keywords
- chalk dust
- utility
- model
- housing
- blackboard eraser
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model provides a chalk dust-absorbing blackboard eraser. The utility model is used for erasing the chalk handwriting on a blackboard. The utility model is provided with a casing (1), a motor (2) and a battery box (5) are fixedly arranged in the casing, a motor shaft (10) is provided with a chalk dust-absorbing impeller (9) and a brush frame (13), and the brush frame is provided with brush bristle (14). The utility model can absorb chalk dust in the casing so that pollution brought by the flying of chalk dust is avoided. The utility model has the advantages of simple structure, convenient use and high durability.
Description
The utility model belongs to a kind of blackboard eraser, is a kind of instrument of wiping the chalk writing on the blackboard.
Used wiping blackboard structure is to be fixed with bristle on plank at present.Though it can wipe writing, can cause chalk dust to fly upward all round, become the main source of classroom environment pollution, have a strong impact on the healthy of Faculty and Students.
The purpose of this utility model provides a kind of suction powder formula blackboard eraser, to avoid the chalk dust pollution on the environment.
The utility model is to realize like this, it has housing, is fixed with motor and battery case in the housing, is equipped with on the motor shaft to inhale powder impeller and brush holder, the outer bracing frame of motor shaft is fixed on the housing, also has switch, battery case lid, ventilation sponge net and the door of falling the powder on housing.
Adopt the suction powder formula blackboard eraser of said structure, chalk dust can be sucked in the housing, avoided the pen ash to fly upward the pollution that brings everywhere, simple in structure, easy to use, durable in use.
Below in conjunction with description of drawings the utility model and structure thereof.
Fig. 1 is the main pseudosection of the utility model structure.Fig. 2 is the schematic diagram of brush holder structure in the utility model.
As shown in drawings, the suction powder formula blackboard eraser of the utility model, housing (1) is arranged, be fixed with motor (2) and battery case (5) in the housing, be equipped with on the motor shaft (10) and inhale powder impeller (9) and brush holder (13), bristle (14) is arranged on the brush holder, and the outer bracing frame (11) of motor shaft is fixed on the housing, also has switch (4), battery case lid (3), ventilation sponge net (6) and the door of falling the powder (8) on housing.
Bracing frame (10) is fixed on the housing (1) by screw (12).
During use, the battery of in battery case, packing into, open switch (4), connect power supply, driven by motor is inhaled powder impeller and the coaxial rotation of brush holder, when hand-held housing, when bristle was contacted with blackboard, the chalk writing on the blackboard was wiped by bristle, simultaneously, the suction powder impeller that is rotating sucks chalk dust in the housing by the powder entering hole (15) on the brush holder (13), falls at last in the powder-storage bin chamber (7) of housing afterbody formation.When chalk dust accumulates a constant volume, the door of falling the powder (8) can be opened, chalk dust is poured out.Ventilation sponge net (6) can play the effect of buffer gas flow.
The brush holder that bristle is arranged on this blackboard eraser can be changed after for a long time.Miscellaneous part is generally not fragile, and is therefore durable in use.
Claims (1)
- Inhale powder formula blackboard eraser, it is characterized in that, it has housing (1), be fixed with motor (2) and battery case (5) in the housing, be equipped with on the motor shaft (10) and inhale powder impeller (9) and brush holder (13), bristle (14) is arranged on the brush holder, and the outer bracing frame (11) of motor shaft is fixed on the housing, also has switch (4), battery case lid (3), ventilation sponge net (6) and the door of falling the powder (8) on housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98222057 CN2342996Y (en) | 1998-08-09 | 1998-08-09 | Chalk dust-absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98222057 CN2342996Y (en) | 1998-08-09 | 1998-08-09 | Chalk dust-absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2342996Y true CN2342996Y (en) | 1999-10-13 |
Family
ID=33973479
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98222057 Expired - Fee Related CN2342996Y (en) | 1998-08-09 | 1998-08-09 | Chalk dust-absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2342996Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693253A (en) * | 2020-12-28 | 2021-04-23 | 成都兰腾科技有限公司 | Multifunctional device |
-
1998
- 1998-08-09 CN CN 98222057 patent/CN2342996Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112693253A (en) * | 2020-12-28 | 2021-04-23 | 成都兰腾科技有限公司 | Multifunctional device |
| CN112693253B (en) * | 2020-12-28 | 2022-04-15 | 成都兰腾科技有限公司 | Multifunctional device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2342996Y (en) | Chalk dust-absorbing blackboard eraser | |
| CN215662700U (en) | Integrative rotation type comes and goes to clean wisdom blackboard | |
| CN2471560Y (en) | Automatic dust-collecting eraser | |
| CN2219216Y (en) | Blackboard eraser with means for absorbing chalk dust | |
| CN201538169U (en) | Blackboard eraser | |
| CN2435247Y (en) | Chalk dust absorbing eraser | |
| CN2390764Y (en) | Blackboard eraser | |
| CN2378211Y (en) | Dust-collecing electric blackboard eraser | |
| CN2384790Y (en) | Electric dust-collecting blackboard eraser | |
| CN2319231Y (en) | Dust sucking electromagnetic eraser | |
| CN212979687U (en) | Blackboard eraser with dust absorption function | |
| CN2474331Y (en) | Fully automatic dustless environmental protection blackboard | |
| CN2242799Y (en) | Electric dustless blackboard eraser | |
| CN2151018Y (en) | Electric dust-absorbing eraser | |
| CN2388051Y (en) | Dust-suction eraser | |
| CN201338481Y (en) | Dustless electric blackboard eraser | |
| CN205468154U (en) | Dust free blackboard wipes and bullet ash device thereof | |
| CN201385524Y (en) | Dust suction blackboard eraser | |
| CN2353562Y (en) | Chalk-dust suction blackboard eraser | |
| CN2299726Y (en) | Charging chalk dust absorbing eraser | |
| CN2428307Y (en) | Dust-suction chalk eraser | |
| CN2030952U (en) | Electric blacboard eraser with chalk dust absorbing | |
| CN2435248Y (en) | Multi-functional electric chalk dust absorbing eraser | |
| CN2585767Y (en) | Ash collector of eraser | |
| CN2915551Y (en) | Dust-suction 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 |