CN201597342U - Folding blackboard eraser - Google Patents
Folding blackboard eraser Download PDFInfo
- Publication number
- CN201597342U CN201597342U CN2009202578326U CN200920257832U CN201597342U CN 201597342 U CN201597342 U CN 201597342U CN 2009202578326 U CN2009202578326 U CN 2009202578326U CN 200920257832 U CN200920257832 U CN 200920257832U CN 201597342 U CN201597342 U CN 201597342U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- hairbrush
- folding
- eraser
- 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
Links
- 239000011159 matrix material Substances 0.000 claims description 15
- 239000000428 dust Substances 0.000 abstract description 5
- 241001633942 Dais Species 0.000 description 1
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Abstract
A folding blackboard eraser comprises two bases and brushes, wherein the two bases are hinged together, and the brushes are respectively disposed on inner sides of the two bases. Length of the folding blackboard eraser after expansion can be effectively increased through the folding type bases, thereby facilitating erasing of chalk writings at higher altitude, the folding blackboard eraser can be folded half-and-half when not in use, thereby dust is not easy to fly, the eraser further can maintain surroundings clean, and a mirror disposed on the outer face of the eraser is helpful for teachers to observe activities of students behind.
Description
Technical field
The utility model belongs to a kind of teaching aid, relates in particular to a kind of blackboard eraser.
Background technology
Ordinary blackboard eraser in the market, volume is less, and erasing the board for the less classmate of height is not easily to get at higher place, and has wiped to be placed on the dais and can produce dust, unhygienic, unclean; Classmate's sound below can not effectively observing when teacher erases the board on blackboard.
The utility model content
The purpose of this utility model provides a kind of blackboard eraser that can effectively increase blackboard eraser length and not produce dust.
In order to achieve the above object by the following technical solutions: comprise blackboard eraser matrix and hairbrush, two blackboard eraser matrixes are hinged, and the inboard of two blackboard eraser matrixes is provided with hairbrush.
The inboard of described two blackboard eraser matrixes respectively is provided with a hairbrush, and the area of hairbrush is half of blackboard eraser matrix medial surface area, and two hairbrush dislocation are fixing.
Described hairbrush is fixed on the blackboard eraser matrix by screw.
Described hairbrush is fixed on the blackboard eraser matrix by four screws of four jiaos.
Described blackboard eraser matrix lateral surface is provided with mirror.
The utility model is by collapsible blackboard eraser matrix, can effectively increase length after trailing, conveniently clip the letter written with chalk of higher position, time spent not, doubling is closed up, and dust is difficult for kicking up, and can keep the clean of surrounding environment, the blackboard eraser lateral surface is provided with mirror, helps teacher to observe student's sound behind.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the enlarged drawing of a-quadrant;
Fig. 3 is the utility model user mode figure.
The specific embodiment
As shown in the figure, a kind of Folding blackboard is wiped, comprise blackboard eraser matrix 1 and hairbrush 2, two blackboard eraser matrixes are hinged by hinge 3, the inboard of two blackboard eraser matrixes respectively is provided with a hairbrush, the area of hairbrush is half of blackboard eraser matrix medial surface area, and two hairbrush shift to install, and two hairbrush, four screws 4 by four jiaos respectively are fixed on the blackboard eraser matrix.Can reduce volume when closing up, prevent dust from flying.Two lateral surfaces of blackboard eraser matrix all are embedded with mirror 5.
Claims (5)
1. a Folding blackboard is wiped, and comprises blackboard eraser matrix and hairbrush, and it is characterized in that: two blackboard eraser matrixes are hinged, and the inboard of two blackboard eraser matrixes is provided with hairbrush.
2. Folding blackboard according to claim 1 is wiped, and it is characterized in that: the inboard of described two blackboard eraser matrixes respectively is provided with a hairbrush, and the area of hairbrush is half of blackboard eraser matrix medial surface area, and two hairbrush dislocation are fixing.
3. Folding blackboard according to claim 2 is wiped, and it is characterized in that: described hairbrush is fixed on the blackboard eraser matrix by screw.
4. Folding blackboard according to claim 3 is wiped, and it is characterized in that: described hairbrush is fixed on the blackboard eraser matrix by four screws of four jiaos.
5. Folding blackboard according to claim 4 is wiped, and it is characterized in that: described blackboard eraser matrix lateral surface is provided with mirror.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202578326U CN201597342U (en) | 2009-11-03 | 2009-11-03 | Folding blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202578326U CN201597342U (en) | 2009-11-03 | 2009-11-03 | Folding blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201597342U true CN201597342U (en) | 2010-10-06 |
Family
ID=42808391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202578326U Expired - Fee Related CN201597342U (en) | 2009-11-03 | 2009-11-03 | Folding blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201597342U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873678A (en) * | 2020-08-12 | 2020-11-03 | 无锡职业技术学院 | Folding dustless dry and wet dual-purpose blackboard eraser |
-
2009
- 2009-11-03 CN CN2009202578326U patent/CN201597342U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111873678A (en) * | 2020-08-12 | 2020-11-03 | 无锡职业技术学院 | Folding dustless dry and wet dual-purpose blackboard eraser |
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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: 20101006 Termination date: 20111103 |