CN202528717U - Modified blackboard eraser - Google Patents
Modified blackboard eraser Download PDFInfo
- Publication number
- CN202528717U CN202528717U CN2012201682023U CN201220168202U CN202528717U CN 202528717 U CN202528717 U CN 202528717U CN 2012201682023 U CN2012201682023 U CN 2012201682023U CN 201220168202 U CN201220168202 U CN 201220168202U CN 202528717 U CN202528717 U CN 202528717U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- blackboard
- cavity
- eraser body
- edge
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a modified blackboard eraser. The blackboard eraser comprises a blackboard eraser body, wherein the blackboard eraser body is provided with blackboard eraser hairs, a cavity is arranged inside the blackboard eraser body, the edge of the cavity is provided with a dust collecting cavity, the edge of the dust collecting cavity is provided with a dust discharge opening, at least one through hole is arranged on a connection surface of the blackboard eraser body and the blackboard eraser hairs, and the edge of the blackboard eraser hairs is provided with a dust guiding piece. By the aid of the arrangement of the dust guiding piece, chalk dust can enter the cavity through the through hole on the blackboard eraser body along the dust guiding piece and is collected in the dust collecting cavity. The blackboard eraser is convenient to use, simple in structure and capable of removing dust.
Description
Technical field
The utility model relates to a kind of teaching aid, relates to a kind of blackboard eraser specifically.
Background technology
The blackboard eraser that teaching is at present used, the function of the dirt that do not disappear because dust can't be eliminated, causes chalk dust to fly upward aloft during use, is easy to the inspiration by teachers and students, influences the healthy of teachers and students.
The utility model content
The problem that the utility model will solve is to above problem, and a kind of improved blackboard eraser of a kind of ability dedusting is provided.
For addressing the above problem, the technical scheme that the utility model adopted is: a kind of improved blackboard eraser comprises the blackboard eraser body; Said blackboard eraser body is provided with the blackboard snag; Be provided with cavity in the said blackboard eraser body, the edge of said cavity is provided with cinder catcher, and the edge of said cinder catcher is provided with ash discharging hole; Said blackboard eraser body is provided with at least one through hole with the one side that said blackboard snag is connected, and the edge of said blackboard snag is provided with leads the dirt sheet.
As a kind of improvement, said blackboard eraser body is provided with expansion link.
The utility model is taked above technical scheme, has the following advantages: a kind of improved blackboard eraser comprises the blackboard eraser body; Said blackboard eraser body is provided with the blackboard snag; Be provided with cavity in the said blackboard eraser body, the edge of said cavity is provided with cinder catcher, and the edge of said cinder catcher is provided with ash discharging hole; Said blackboard eraser body is provided with at least one through hole with the one side that said blackboard snag is connected, and the edge of said blackboard snag is provided with leads the dirt sheet; The setting of leading the dirt sheet makes chalk dust enter into cavity along leading the dirt sheet through the through hole on the blackboard eraser body, and collects in the cinder catcher, and can the chalk dust of collecting be poured out through ash discharging hole, and is easy to use, simple in structure, and can dedusting.
Below in conjunction with accompanying drawing and embodiment the utility model is described further.
Description of drawings
Accompanying drawing is the structural representation of the utility model embodiment.
Among the figure: 1-blackboard eraser body; The 11-through hole; The snag of 2-blackboard; The 3-cavity; The 31-cinder catcher; The 4-ash discharging hole; 5-leads the dirt sheet; The 6-expansion link.
The specific embodiment
Embodiment: a kind of improved blackboard eraser; Comprise blackboard eraser body 1, said blackboard eraser body 1 is provided with blackboard snag 2, is provided with cavity 3 in the said blackboard eraser body 1; The edge of said cavity 3 is provided with cinder catcher 31; The edge of said cinder catcher 31 is provided with ash discharging hole 4, and the one side that said blackboard eraser body 1 is connected with said blackboard snag 2 is provided with at least one through hole 11, and the edge of said blackboard snag 2 is provided with leads dirt sheet 5.The setting of leading dirt sheet 5 makes chalk dust enter into cavity 3 along leading dirt sheet 5 through the through hole on the blackboard eraser body 11, and collects in the cinder catcher 31, and can the chalk dust of collecting be poured out through ash discharging hole 4.Said blackboard eraser body 1 is provided with expansion link 6, can get at writing of eminence very easily through stretching expansion link 6.Easy to use, simple in structure, and can dedusting.
Claims (2)
1. improved blackboard eraser; Comprise the blackboard eraser body, said blackboard eraser body is provided with the blackboard snag, it is characterized in that: be provided with cavity in the said blackboard eraser body; The edge of said cavity is provided with cinder catcher; The edge of said cinder catcher is provided with ash discharging hole, and said blackboard eraser body is provided with at least one through hole with the one side that said blackboard snag is connected, and the edge of said blackboard snag is provided with leads the dirt sheet.
2. a kind of improved blackboard eraser as claimed in claim 1 is characterized in that: said blackboard eraser body is provided with expansion link.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201682023U CN202528717U (en) | 2012-04-11 | 2012-04-11 | Modified blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201682023U CN202528717U (en) | 2012-04-11 | 2012-04-11 | Modified blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202528717U true CN202528717U (en) | 2012-11-14 |
Family
ID=47129920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201682023U Expired - Fee Related CN202528717U (en) | 2012-04-11 | 2012-04-11 | Modified blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202528717U (en) |
-
2012
- 2012-04-11 CN CN2012201682023U patent/CN202528717U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201922757U (en) | Automatic dust-collecting blackboard | |
| CN202528717U (en) | Modified blackboard eraser | |
| CN203093541U (en) | Dedusting blackboard eraser | |
| CN202517973U (en) | Novel blackboard eraser | |
| CN203093540U (en) | Novel dedusting blackboard eraser | |
| CN202623733U (en) | Novel ash-free blackboard eraser | |
| CN201494178U (en) | Blackboard | |
| CN202413198U (en) | Dust collecting type blackboard eraser with pressure switch | |
| CN202498916U (en) | Dust-absorbing blackboard eraser | |
| CN203087920U (en) | Novel chalk holder | |
| CN202528718U (en) | Dustless blackboard eraser | |
| CN203126302U (en) | Dust-removing eraser | |
| CN203157520U (en) | Dust collection blackboard eraser | |
| CN203093539U (en) | Novel dust-free blackboard eraser for teaching | |
| CN202557135U (en) | Dust-collecting blackboard eraser | |
| CN201484004U (en) | Environment-friendly blackboard eraser | |
| CN204712750U (en) | A kind of dust-collecting eraser for blackboard | |
| CN201633417U (en) | Dust-collecting blackboard eraser | |
| CN203727069U (en) | Rechargeable dust collection mouse type blackboard eraser | |
| CN201808372U (en) | Multifunctional intelligent board eraser | |
| CN201559450U (en) | Dust absorbing eraser | |
| CN201456830U (en) | Dust absorption-type wiping brush | |
| CN202378579U (en) | Blackboard eraser | |
| CN202507804U (en) | Improved dust-free blackboard eraser | |
| CN202413199U (en) | Dust collecting type blackboard eraser |
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: 20121114 Termination date: 20130411 |