CN2799276Y - Dust-free blackboard eraser - Google Patents
Dust-free blackboard eraser Download PDFInfo
- Publication number
- CN2799276Y CN2799276Y CN 200520084768 CN200520084768U CN2799276Y CN 2799276 Y CN2799276 Y CN 2799276Y CN 200520084768 CN200520084768 CN 200520084768 CN 200520084768 U CN200520084768 U CN 200520084768U CN 2799276 Y CN2799276 Y CN 2799276Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- water tank
- dust
- model
- 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.)
- Expired - Fee Related
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a classroom appliance, particularly a dustless blackboard eraser which can not flies the chalk powder at blackboard cleaning time. The dustless blackboard eraser comprises a blackboard eraser and a small water tank. The utility model is characterized in that the lower half part of a bottom board of the blackboard eraser is provided with the small water tank, and a plurality of small holes are arranged on the connecting point of the bottom board and the small water tank. Thus, the utility model has the advantages of simple structure, convenient operation, cleanness, dust preventing, safety and sanitation.
Description
(1) technical field under
The utility model relates to a kind of classroom apparatus, during particularly a kind of erasing the board, does not play the dust-free black board eraser of chalk powder.
(2) background technology
The blackboard eraser that has when teacher or student erase the board, makes all over the body and full hand is chalk powder entirely, and is quite unhygienic, and influences attractive in appearancely, and also the health to the academics and students threatens.Also have some blackboard erasers to wet, do not have dust when erasing the board, but do not see when writing, delayed and write.
(3) summary of the invention
The utility model does not have dust and does not influence the dust-free black board eraser that writes for remedying the deficiencies in the prior art when a kind of erasing the board is provided.
The purpose of this utility model realizes by following technology:
A kind of dust-free black board eraser comprises blackboard eraser and little water tank, and its special character is: the Lower Half of described blackboard eraser base plate is equipped with little water tank, and there are several apertures base plate and little water tank connection.
Because the Lower Half of blackboard eraser base plate is equipped with little water tank, there are several apertures base plate and little water tank connection, so the Lower Half of blackboard eraser wets.Like this, in use, Shi part can be prevented dust below, and the part of Ganing can be dried the blackboard of getting wet above.
Therefore, the utlity model has advantages simple in structure, easy to use, clean dustproof, safety and sanitation.
(4) description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is the utility model structural representation.
Among the figure: 1, blackboard eraser, 2, little water tank, 3, aperture, 4, clear water.
(5) specific embodiment
Accompanying drawing is a specific embodiment of the present utility model, and this embodiment is made up of blackboard eraser 1 and little water tank 2, and the Lower Half of blackboard eraser 1 base plate is equipped with little water tank 2, and there are several apertures 3 base plate and little water tank 2 connections.Little water tank 2 also can replace with the plastic casing of similar little water tank 2.The plastic casing that a similar little water tank is adorned in the back of half below blackboard eraser 1 when manufacturing has stung aperture 3 backs with the back of blackboard eraser 1 plastic casing has been installed.Like this, in use, plastic casing is loaded onto clear water earlier.Therefore wet part can be prevented dust below the blackboard eraser, and the part of Ganing can be dried the blackboard of getting wet above.
Claims (1)
1, a kind of dust-free black board eraser comprises blackboard eraser (1) and little water tank (2), it is characterized in that:
The Lower Half of described blackboard eraser (1) base plate is equipped with little water tank (2), and there are several apertures (3) base plate and little water tank (2) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520084768 CN2799276Y (en) | 2005-06-29 | 2005-06-29 | Dust-free blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520084768 CN2799276Y (en) | 2005-06-29 | 2005-06-29 | Dust-free blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2799276Y true CN2799276Y (en) | 2006-07-26 |
Family
ID=36841772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520084768 Expired - Fee Related CN2799276Y (en) | 2005-06-29 | 2005-06-29 | Dust-free blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2799276Y (en) |
-
2005
- 2005-06-29 CN CN 200520084768 patent/CN2799276Y/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN2799276Y (en) | Dust-free blackboard eraser | |
| CN205058968U (en) | Novel multi -functional blackboard | |
| CN205112786U (en) | Multifunctional blackboard eraser | |
| KR200236683Y1 (en) | A blackboard | |
| CN200981424Y (en) | Novel blackboard | |
| CN203142204U (en) | Novel blackboard eraser | |
| CN205468162U (en) | Blackboard eraser | |
| CN201026758Y (en) | Blackboard eraser | |
| CN2871230Y (en) | Dust-collecting blackboard | |
| CN201092196Y (en) | Dust-free magnetic blackboard | |
| CN201012600Y (en) | Dustless blackboard | |
| CN2820567Y (en) | Dustless blackboard eraser | |
| CN201136397Y (en) | Dust absorbing blackboard wiper | |
| CN2843888Y (en) | A kind of Easy erasing blackboard | |
| CN2573277Y (en) | Air bag type blackboard eraser | |
| CN206664096U (en) | A kind of primary school Chinese is given lessons writing on the blackboard servicing unit | |
| CN2801510Y (en) | Automatic dust absorption blackboard eraser | |
| CN201320909Y (en) | Dustproof chalk cleaner | |
| CN2468763Y (en) | Environment-friendly dust-absorbing blackboard eraser | |
| CN2496676Y (en) | Electric dust-absorbing blackboard eraser | |
| CN2739013Y (en) | Water-bag-type blackboard eraser | |
| CN201693940U (en) | Cleaning blackboard eraser | |
| CN201544667U (en) | Atomizing blackboard eraser | |
| CN2422147Y (en) | Erasing-free dustless blackboard | |
| CN202208212U (en) | loose-leaf sanitary blackboard |
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 |