CN202319624U - Environment-friendly blackboard eraser - Google Patents
Environment-friendly blackboard eraser Download PDFInfo
- Publication number
- CN202319624U CN202319624U CN2011204798421U CN201120479842U CN202319624U CN 202319624 U CN202319624 U CN 202319624U CN 2011204798421 U CN2011204798421 U CN 2011204798421U CN 201120479842 U CN201120479842 U CN 201120479842U CN 202319624 U CN202319624 U CN 202319624U
- Authority
- CN
- China
- Prior art keywords
- hairbrush
- environment
- plate body
- hairbrushes
- 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
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Abstract
The utility model provides an environment-friendly blackboard eraser, belonging to the field of teaching aids. The blackboard eraser comprises a board body and hairbrushes, wherein the hairbrushes are arranged on the board body and are arranged into vertical strips with the same length, empty slots are formed between the hairbrushes, and a rubber sheet is arranged on the periphery of the hairbrushes namely on the board body and surrounds the hairbrushes in the middle; and a positioning cavity is arranged at the lower part of the board body namely below the rubber sheet, a pull box is arranged in the positioning cavity and is slidably connected with the positioning cavity, and through holes are respectively arranged on the upper surface of the positioning cavity and on the rubber sheet. Compared with the prior art, the blackboard eraser has reasonable design, simple structure and convenience for use, chalk dust can be prevented from flying, and the teaching environment can be prevented from being polluted.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of environment-friendly dust-proof eraser.
Background technology
Blackboard eraser is an educational aid commonly used in the teaching, on blackboard, needs the more new literacy of record or when erasing the board, the situation that chalk powder splashes usually can occur after class, and situation not only influences teaching in this, and is unfavorable for healthy; In addition, chalk powder splashes, and has polluted environment.
Summary of the invention
The technical assignment of the utility model is the deficiency to prior art, and a kind of environment-friendly dust-proof eraser reasonable in design, simple in structure is provided.
The utility model solves the technical scheme that its technical problem adopted: comprise plate body and hairbrush; Hairbrush is arranged on the plate body; Said hairbrush is arranged to the vertical bar shape of equal in length and vertically is arranged on plate body top successively; Forming dead slot between the hairbrush of vertical bar shape, is that plate body is provided with the rubber skin and hairbrush is enclosed in the centre around the hairbrush, and the plate body bottom is that the subcutaneous side of rubber is provided with positioning chamber; Be provided with drawing box in the positioning chamber and be slidingly connected, be respectively arranged with through hole on positioning chamber upper surface and the rubber skin with it.
Through hole is corresponding with dead slot.
Drawing box is provided with handle.
A kind of environment-friendly dust-proof eraser of the utility model compared with prior art, the beneficial effect that is produced is:
Have characteristics such as reasonable in design, simple in structure, easy to use, function admirable, practicality, prevent that when erasing the board chalk powder from splashing, prevent that teaching environment from being polluted, both brought convenience, avoided again exerting an influence healthy to teaching.Operate comparatively simply, use cost is low, guarantees that teaching carries out smoothly.
Description of drawings
Accompanying drawing 1 is the structural representation of the utility model.
Among the figure: 1, plate body, 2, the rubber skin, 3, hairbrush, 4, dead slot, 5, through hole, 6, positioning chamber, 7, drawing box, 8, handle.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following the detailed description.
Shown in accompanying drawing; A kind of environment-friendly dust-proof eraser of the utility model, its structure comprise plate body 1 and hairbrush 3, and hairbrush 3 is arranged on the plate body 1; Said hairbrush 3 is arranged to the vertical bar shape of equal in length and vertically is arranged on plate body 1 top successively; Forming dead slot 4 between the hairbrush 3 of vertical bar shape, is that plate body 1 is provided with rubber skin 2 and hairbrush 3 is enclosed in the centre around the hairbrush 3, and plate body 1 bottom is that rubber skin 2 belows are provided with positioning chamber 6; Be provided with drawing box 7 in the positioning chamber 6 and be slidingly connected, be respectively arranged with through hole 5 on positioning chamber 6 upper surfaces and the rubber skin 2 with it.
Through hole 5 is corresponding with dead slot 4.Drawing box 7 is provided with handle 8.
When erasing the board, the rubber skin covers on the letter written with chalk of hairbrush institute wiping in the certain space, and chalk powder can only splash in this space and can not overflow, and then chalk powder can fall in dead slot because of the gravity effect, through concentrating in the drawing box again behind the through hole; Can drawing box be taken out after having wiped blackboard, chalk powder poured in the container of appointment, and then drawing box is put in the positioning chamber.
Its processing and fabricating of a kind of environment-friendly dust-proof eraser of the utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characterictic of specification, be this professional's known technology.
Claims (3)
1. an environment-friendly dust-proof eraser comprises plate body and hairbrush, and hairbrush is arranged on the plate body; It is characterized in that said hairbrush is arranged to the vertical bar shape of equal in length and vertically is arranged on plate body top successively; Forming dead slot between the hairbrush of vertical bar shape, is that plate body is provided with the rubber skin and hairbrush is enclosed in the centre around the hairbrush, and the plate body bottom is that the subcutaneous side of rubber is provided with positioning chamber; Be provided with drawing box in the positioning chamber and be slidingly connected, be respectively arranged with through hole on positioning chamber upper surface and the rubber skin with it.
2. a kind of environment-friendly dust-proof eraser according to claim 1 is characterized in that through hole is corresponding with dead slot.
3. a kind of environment-friendly dust-proof eraser according to claim 1 is characterized in that drawing box is provided with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204798421U CN202319624U (en) | 2011-11-28 | 2011-11-28 | Environment-friendly blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204798421U CN202319624U (en) | 2011-11-28 | 2011-11-28 | Environment-friendly blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202319624U true CN202319624U (en) | 2012-07-11 |
Family
ID=46431616
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204798421U Expired - Fee Related CN202319624U (en) | 2011-11-28 | 2011-11-28 | Environment-friendly blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202319624U (en) |
-
2011
- 2011-11-28 CN CN2011204798421U patent/CN202319624U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120711 Termination date: 20131128 |