CN2698601Y - Liquid blackboard eraser - Google Patents
Liquid blackboard eraser Download PDFInfo
- Publication number
- CN2698601Y CN2698601Y CN 200420027458 CN200420027458U CN2698601Y CN 2698601 Y CN2698601 Y CN 2698601Y CN 200420027458 CN200420027458 CN 200420027458 CN 200420027458 U CN200420027458 U CN 200420027458U CN 2698601 Y CN2698601 Y CN 2698601Y
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- liquid
- reservoir
- utility
- blackboard
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a liquid blackboard eraser, comprising a blackboard eraser body and a liquid tank. The utility model is characterized in that: the blackboard eraser body is provided at the bottom of the rectangular liquid tank; one end of the liquid tank is provided with a liquid suction device which is clamped between the blackboard eraser body and the liquid tank by an arc clamp being integrated with the liquid tank. The utility model can prevent chalk dust flying around not only in the process of erasing the blackboard but in the process of writing, and simultaneously is a single-purpose blackboard eraser for erasing writings with multicolor liquids. The liquid blackboard eraser has the advantages of reasonable design, simple structure, low cost and easy use.
Description
Technical field
The utility model relates to a kind of teaching aid, exactly is a kind of dustless Liquid blackboard eraser of the usefulness that erases the board.
Background technology
The generation source of chalk dust mainly is: the one, and in the writing process, chalk and blackboard friction produce dust on blackboard; The 2nd, produce dust during letter written with chalk on erasing the board with blackboard eraser, for preventing that the healthy people of having that chalk dust influences teachers and students from having invented various dust absorption blackboard erasers, but the equal complex structure of this class blackboard eraser, the cost height, weak effect, and can't prevent that the chalk dust in the writing process from flying poplar.This class blackboard eraser can't be cleaned the writing that liquid pens is write simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of chalk dust that produces in the process of erasing the board that can prevent to fly upward to people, can prevent that again the chalk dust that produces in writing process from flying upward, and can also clean the Liquid blackboard eraser of colour liquid written handwriting.
The utility model comprises blackboard eraser body and reservoir, it is characterized in that:
A, blackboard eraser body are loaded on rectangular reservoir bottom;
B, reservoir one end are equipped with an aspirator, by and the arc card that fuses of reservoir be fastened between blackboard eraser body and reservoir.
In addition, the sponge or the felt of described blackboard eraser body employing imbibition are that material is made.Cylindrical aspirator one end has a feed tube that is communicated with reservoir, and the other end has a drain pipe.
During use, when having the sponge of liquid or felt blackboard eraser body pressurized to extrude liquid, suction wipes the word on the blackboard, being actually the limit is close to and washes, thereby prevented to make when chalk dust in the process that erases the board from flying upward blackboard to become wet, the friction of chalk and seriticker is reduced during written word again, not only write smoothly, and moistening blackboard also adheres to dust, prevented that chalk dust flies upward in the writing process.When the blackboard eraser soma is dry, give blackboard eraser body liquid feeding to guarantee the moistening of blackboard eraser body by drain pipe by aspirator sucking-off wiping liquid in the reservoir.Drain pipe can also be connected to fluid supplier, it is standby to dash full wiping liquid by aspirator, feed tube to reservoir.
Effect of the present utility model
1, the utility model can prevent that not only the chalk dust that produces in the process of erasing the board from flying upward, and can prevent that the chalk dust that produces in the writing process from flying upward, and still is a kind of special-purpose blackboard eraser of cleaning the colour liquid written handwriting simultaneously.
2, the utility model is reasonable in design, and is simple in structure, with low cost, easy to use.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model profile state figure.
The specific embodiment
Embodiment 1
(referring to Fig. 1,2) the utility model comprises blackboard eraser body 1 and reservoir 2, and the blackboard eraser body 1 that is become by sponge or felt is flush-mounted in rectangular reservoir 2 bottoms.Reservoir one end is equipped with an aspirator 3, by and the arc card 6 that fuses of reservoir be fastened between blackboard eraser body 1 and the reservoir 2.Cylindrical aspirator one end has a feed tube that is communicated with reservoir 5, and the other end has a drain pipe 4.
Claims (3)
1, a kind of Liquid blackboard eraser comprises blackboard eraser body and reservoir, it is characterized in that:
A, blackboard eraser body are loaded on rectangular reservoir bottom;
B, reservoir one end are equipped with an aspirator, by and the arc card that fuses of reservoir be fastened between blackboard eraser body and reservoir.
2, Liquid blackboard eraser according to claim 1 is characterized in that: it is that material is made that described blackboard eraser body adopts the sponge or the felt of imbibition.
3, Liquid blackboard eraser according to claim 1 is characterized in that: cylindrical aspirator one end has a feed tube that is communicated with reservoir, and the other end has a drain pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027458 CN2698601Y (en) | 2004-05-25 | 2004-05-25 | Liquid blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027458 CN2698601Y (en) | 2004-05-25 | 2004-05-25 | Liquid blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2698601Y true CN2698601Y (en) | 2005-05-11 |
Family
ID=34771661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027458 Expired - Fee Related CN2698601Y (en) | 2004-05-25 | 2004-05-25 | Liquid blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2698601Y (en) |
-
2004
- 2004-05-25 CN CN 200420027458 patent/CN2698601Y/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 |