CN204414969U - A kind of dust-removing blackboard eraser - Google Patents
A kind of dust-removing blackboard eraser Download PDFInfo
- Publication number
- CN204414969U CN204414969U CN201420865308.8U CN201420865308U CN204414969U CN 204414969 U CN204414969 U CN 204414969U CN 201420865308 U CN201420865308 U CN 201420865308U CN 204414969 U CN204414969 U CN 204414969U
- Authority
- CN
- China
- Prior art keywords
- dust
- gumming
- district
- blackboard eraser
- backboard
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
A kind of dust-removing blackboard eraser.It comprises: backboard, gumming district and except pool; Wherein: backboard is rectangular slab, the top in its front is provided with gumming district, below is provided with except pool; Gumming district adopts felt, sponge or the strong material of water absorbing capacity to make, except pool adopt rubber or quality slightly soft and closely material make; Except pool is mainly used in drenching blackboard, erasing dust, needs to add water use, dust can not be flown upward, and reduces harm to human body; Except pool is mainly used in the water of gumming district erasing part to scrape off, eliminate the time that blackboard is done from wetting to.The dust-removing blackboard eraser that the utility model provides has reasonable in design, easy to use and be beneficial to the advantages such as teachers and students are healthy.
Description
Technical field
The utility model relates to a kind of teaching aid, particularly relates to a kind of dust-removing blackboard eraser.
Background technology
In the classroom of school, teacher needed the word that writes with chalk at upper class hour, was certain to therebetween fall dust, and such time one length will suck in the lung of academics and students, thus it is healthy to affect teachers and students.
Summary of the invention
In order to solve the problem, the purpose of this utility model is to provide a kind of dust-removing blackboard eraser.
In order to achieve the above object, the dust-removing blackboard eraser that the utility model provides comprises: backboard, gumming district and except pool; Wherein: backboard is rectangular slab, the top in its front is provided with gumming district, below is provided with except pool; Gumming district adopts felt, sponge or the strong material of water absorbing capacity to make, except pool adopt rubber or quality slightly soft and closely material make; Except pool is mainly used in drenching blackboard, erasing dust, needs to add water use, dust can not be flown upward, and reduces harm to human body; Except pool is mainly used in the water of gumming district erasing part to scrape off, eliminate the time that blackboard is done from wetting to.
The back side of described backboard is covered with adsorption layer, adopts the material with adsorptivity to make, for backboard is adsorbed on blackboard, does not take up room.
The dust-removing blackboard eraser that the utility model provides has reasonable in design, easy to use and be beneficial to the advantages such as teachers and students are healthy.
Accompanying drawing explanation
The front view of the dust-removing blackboard eraser that Fig. 1 provides for the utility model.
The side view of the dust-removing blackboard eraser that Fig. 2 provides for the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the dust-removing blackboard eraser that the utility model provides is described in detail.
As shown in Figure 1 and Figure 2, the dust-removing blackboard eraser that the utility model provides comprises: backboard 1, gumming district 2 and except pool 3; Wherein: backboard 1 is rectangular slab, the top in its front is provided with gumming district 2, below is provided with except pool 3; Gumming district 2 adopts the strong material of felt, sponge or water absorbing capacity to make, except pool 3 adopts rubber or quality slightly soft and material is made closely; Except pool 2 is mainly used in drenching blackboard, erasing dust, needs to add water use, dust can not be flown upward, and reduces harm to human body; Except pool 3 is mainly used in the water of gumming district 2 erasing part to scrape off, eliminate the time that blackboard is done from wetting to.
The back side of described backboard 1 is covered with adsorption layer 4, adopts the material with adsorptivity to make, for backboard 1 is adsorbed on blackboard, does not take up room.
The dust-removing blackboard eraser that the utility model provides greatly reduces the suction of dust and the harm to human body, also make required for expense not high, can produce in batches; For in the classroom of school, can produce more benefit by few expense, this blackboard eraser can be applied to the occasion needing to use blackboard, very convenient.
Claims (2)
1. a dust-removing blackboard eraser, is characterized in that: described dust-removing blackboard eraser comprises: backboard (1), gumming district (2) and except pool (3); Wherein: backboard (1) is rectangular slab, the top in its front is provided with gumming district (2), below is provided with except pool (3); Gumming district (2) adopts felt, sponge or the strong material of water absorbing capacity to make, except pool (3) adopt rubber or quality slightly soft and closely material make.
2. dust-removing blackboard eraser according to claim 1, is characterized in that: the back side of described backboard (1) is covered with adsorption layer (4), adopts the material with adsorptivity to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865308.8U CN204414969U (en) | 2014-12-20 | 2014-12-20 | A kind of dust-removing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420865308.8U CN204414969U (en) | 2014-12-20 | 2014-12-20 | A kind of dust-removing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204414969U true CN204414969U (en) | 2015-06-24 |
Family
ID=53465369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420865308.8U Expired - Fee Related CN204414969U (en) | 2014-12-20 | 2014-12-20 | A kind of dust-removing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204414969U (en) |
-
2014
- 2014-12-20 CN CN201420865308.8U patent/CN204414969U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20151220 |
|
| EXPY | Termination of patent right or utility model |