CN201922793U - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN201922793U CN201922793U CN2010206461259U CN201020646125U CN201922793U CN 201922793 U CN201922793 U CN 201922793U CN 2010206461259 U CN2010206461259 U CN 2010206461259U CN 201020646125 U CN201020646125 U CN 201020646125U CN 201922793 U CN201922793 U CN 201922793U
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- CN
- China
- Prior art keywords
- blackboard eraser
- eraser
- magnet
- utility
- model
- 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 discloses a blackboard eraser which comprises an eraser casing and an erasing body, wherein the eraser casing is made of plastic or metal, and grains are formed on four side surfaces of the eraser casing. A magnet is arranged on the surface of the eraser casing, the magnet is circular and is 3 cm in diameter, and the magnet is made of NdFeB (neodymium iron boron). The blackboard eraser further comprises an eraser cover. The blackboard eraser provided by the utility model has a simple structure and can be fixed on other ferruginous apparatus when not in use, can effectively increase friction hand feeling through grains on sides, and is convenient and practical to use and worthy of production.
Description
Technical field
The utility model relates to a kind of blackboard eraser, especially a kind of blackboard eraser that has magnet.
Background technology
Existing blackboard eraser was one of necessary educational aid of last class hour of teacher, and function is comparatively simple, and the blackboard wiping function only is provided.Teacher or student are easy to make blackboard eraser landing from hand when after erasing the board it being put back to, blackboard eraser is placed on the blackboard edge and also is easy to be touched down by the classmate of process at ordinary times, therefore thereby smash blackboard eraser, the chalk dust that adheres on the blackboard eraser also can be and the floor, classroom of making dirty brings inconvenience.
The utility model content
The purpose of this utility model provides a kind of band adsorption function, health again safe and convenient to use, the blackboard eraser of profile better appearance.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of blackboard eraser comprises and wipes shell and rub body that wherein, described wiping shell surface is provided with a magnet.
Above-mentioned blackboard eraser wherein, comprises that is also wiped a lid.
Above-mentioned blackboard eraser, wherein, described wiping shell is made by plastics or metal.
Above-mentioned blackboard eraser, wherein, described magnet is that diameter is the circle of 3cm.
Above-mentioned blackboard eraser, wherein, described magnet is made by Ru-Fe-Mn.
Above-mentioned blackboard eraser, wherein, described wiping shell is equipped with lines on four sides.
The utility model is simple in structure, can be fixed in the time of obsolete at ordinary times on other the irony utensil, and the lines of avris can effectively increase friction feel, and is convenient and practical, is worth putting into production.
Description of drawings
Fig. 1 is the structural representation of the utility model blackboard eraser.
The specific embodiment
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as qualification of the present utility model.
Please referring to Fig. 1, the utility model blackboard eraser, comprise and wipe shell 1 and rub body 2, wipe shell 1 and make, wipe the lines 12 that is equipped with projection on 1 four sides of shell, can increase friction feel by plastic injection-moulded or metal, effectively reduce the risk of blackboard eraser landing from user's hand, lines 12 can be irregular figure, also can be the regular pattern decorative pattern, to increase aesthetics.Wipe shell 1 surface and be provided with a magnet 11, magnet 11 can be circle, and diameter is size about 3cm, area is about wipes 1/3rd to 2/3rds of shell 1 surface area, other shape be can also be designed to,, whole aesthetics and interest increased such as cartoon figure's zoomorphism etc.Magnet 11 is made by magnetic materials such as Ru-Fe-Mns, and suction is comparatively powerful, can be attached to arbitrarily on other the irony utensil, on the metal edge groove such as blackboard.This blackboard eraser comprises that also a wiping covers 3, can with wipe shell 1 and fit tightly, will wipe in the time of no and cover 3 and cover, can avoid chalk dust on the rub body 2 environment on every side of making dirty.
The above only is the utility model preferred embodiment; be not so limit claim of the present utility model; so the equivalent structure that all utilization the utility model specifications and diagramatic content have been done changes, and all is included in the protection domain of the present utility model.
Claims (6)
1. a blackboard eraser comprises and wipes shell and rub body, it is characterized in that described wiping shell surface is provided with a magnet.
2. blackboard eraser according to claim 1 is characterized in that, comprises that is also wiped a lid.
3. blackboard eraser according to claim 1 is characterized in that, described wiping shell is made by plastics or metal.
4. blackboard eraser according to claim 1 is characterized in that, described magnet is that diameter is the circle of 3cm.
5. blackboard eraser according to claim 1 is characterized in that described magnet is made by Ru-Fe-Mn.
6. blackboard eraser according to claim 1 is characterized in that, described wiping shell is equipped with lines on four sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206461259U CN201922793U (en) | 2010-12-08 | 2010-12-08 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206461259U CN201922793U (en) | 2010-12-08 | 2010-12-08 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201922793U true CN201922793U (en) | 2011-08-10 |
Family
ID=44426661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206461259U Expired - Fee Related CN201922793U (en) | 2010-12-08 | 2010-12-08 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201922793U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793343A (en) * | 2021-02-04 | 2021-05-14 | 严如明 | High-efficient teaching aid |
-
2010
- 2010-12-08 CN CN2010206461259U patent/CN201922793U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112793343A (en) * | 2021-02-04 | 2021-05-14 | 严如明 | High-efficient teaching aid |
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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: 20110810 Termination date: 20111208 |