CN2863505Y - Dust-suction eraser - Google Patents
Dust-suction eraser Download PDFInfo
- Publication number
- CN2863505Y CN2863505Y CN 200620094935 CN200620094935U CN2863505Y CN 2863505 Y CN2863505 Y CN 2863505Y CN 200620094935 CN200620094935 CN 200620094935 CN 200620094935 U CN200620094935 U CN 200620094935U CN 2863505 Y CN2863505 Y CN 2863505Y
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- case
- switch
- 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
A aspirating blackboard eraser is characterized in the attachment among a battery, a motor, a switch, a absorbing hole, a dust case, a dust outlet hole. Thereby the utility model can automatically absorb the dust into the dust case when the switch is turned on and the dust can be poured out after opening the cover behind the dust case in case the dust is massive and realizing continuous operation to reach the goal of this design.
Description
Affiliated field
The utility model relates to a kind of teaching aid, and what relate to specifically is a kind of blackboard eraser.
Background technology
The teacher writes on blackboard, a large amount of chalk dusts that when erasing the board, can fly up, and this comes unhygienic, and two also affect teacher's health.
Technology contents
The purpose of this utility model is in order to solve the deficiencies in the prior art part, a kind of dust catcher blackboard eraser that chalk dust flies upward that can reduce when erasing the board to be provided.
For achieving the goal, the utility model provides following technical solution:
A kind of simple dust catcher blackboard eraser is characterized in that: in the inside of blackboard eraser by battery, motor, switch, air suction opening, dust box, go out the dust hole and interconnect and form.
Therefore the utility model, when erasing the board, opens switch owing to being provided with battery, motor, switch, air suction opening, dust box in blackboard eraser inside, going out the dust hole, and dust catcher sucks the dust chamber automatically with chalk dust.The inside dust is many, opens the lid of back, dust chamber, and ash is poured out, and continues to use, thereby reaches goal of the invention of the present utility model.
Description of drawings
Accompanying drawing is a structural representation of the present utility model
The specific embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
As shown in the figure, the inside of blackboard eraser by battery 1, motor 2, switch 3, air suction opening 4, dust box 5, go out dust hole 6 and interconnect and form.
Claims (1)
1, a kind of dust catcher blackboard eraser is characterized in that: the inside of blackboard eraser by battery (1), motor (2), switch (3), air suction opening (4), dust box (5), go out dust hole (6) and interconnect and form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094935 CN2863505Y (en) | 2006-01-06 | 2006-01-06 | Dust-suction eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620094935 CN2863505Y (en) | 2006-01-06 | 2006-01-06 | Dust-suction eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2863505Y true CN2863505Y (en) | 2007-01-31 |
Family
ID=37675959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620094935 Expired - Fee Related CN2863505Y (en) | 2006-01-06 | 2006-01-06 | Dust-suction eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2863505Y (en) |
-
2006
- 2006-01-06 CN CN 200620094935 patent/CN2863505Y/en not_active Expired - Fee Related
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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 |