CN202703047U - Environmentally-friendly blackboard eraser - Google Patents
Environmentally-friendly blackboard eraser Download PDFInfo
- Publication number
- CN202703047U CN202703047U CN 201220374937 CN201220374937U CN202703047U CN 202703047 U CN202703047 U CN 202703047U CN 201220374937 CN201220374937 CN 201220374937 CN 201220374937 U CN201220374937 U CN 201220374937U CN 202703047 U CN202703047 U CN 202703047U
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- plate body
- blackboard eraser
- dust
- environmentally
- blackboard
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- 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 relates to a teaching appliance, in particular to an environmentally-friendly blackboard eraser. A technical scheme adopted to solve the technical problem of the utility model lies in that the environmentally-friendly blackboard eraser comprises an eraser head and a board body, wherein the eraser head and the front surface of the board body are fixedly connected; the back of the board body is provided with a dust collection slot; and a movable substrate matched with the dust collection slot is clamped on the dust collection slot. According to the environmentally-friendly blackboard eraser, the problems of dust fly during erasing a blackboard and damages to the physical and psychological health of teachers and students are solved, and the blackboard can be erased more cleanly, so that chalk dust is avoided being stained with hands, the teaching efficiency is improved, and the learning efficiency of students is also guaranteed.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of environment-friendly dust-proof eraser that can reduce dust from flying.
Background technology
At present, traditional blackboard eraser all is comprised of plate body and rubbing head, and the front of plate body is fixedly connected with rubbing head, and during use, rubbing head contacts with blackboard, wipes work.But because the working method of rubbing head erasing chalk word causes traditional blackboard is wiped dust from flying when using problem.
Chinese patent notification number 202106766U, open day is on January 11st, 2012, and a kind of simple in structure, blackboard eraser that blackboard wiping is effective is provided.The utility model comprises the blackboard eraser main body, and the both sides in its structural feature blackboard eraser main body front are provided with clamping strip, is provided with in the middle of two clamping strips to wipe pad; Be provided with perforate on the side of blackboard eraser main body, be provided with expansion link in the perforate.Although this technical scheme can be simple and practical, there is the problem of dust from flying that larger improvement is not arranged when wiping use for traditional blackboard, so developing when a kind of new patent solves traditional blackboard wiping use has the problem of dust from flying necessary.
Summary of the invention
In order to overcome existing traditional blackboard is wiped dust from flying when using problem, the utility model provides a kind of environment-friendly dust-proof eraser that can reduce dust from flying.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of blackboard eraser for environmental protection, comprise rubbing head and plate body, described rubbing head is fixedly connected with the front surface of described plate body, the described plate body back side offers dust collecting groove, is connected with the movable base plate that is complementary with dust collecting groove on the described dust collecting groove.Be provided with a dust collecting groove between rubbing head and the movable base plate, rubbing head contacts with blackboard during use, when repeatedly wiping examination, dust on the rubbing head can drop in the dust collecting groove and store, then can take away the dust of pouring out storage to movable base plate, solve dust from flying when erasing the board, the physically and mentally healthy problem of harm academics and students.
As preferably, be provided with the bumper that extend front and back on the described plate body two side.Be provided with bumper, both strengthened plate body structure intensity, make things convenient for again the teacher to get blackboard eraser with holding, easily and effectively.
As preferably, be provided with on the described plate body two side for the dirt-proof boot that covers plate body.After finishing using, two side dust jackets all cover plate body, rubbing head, substrate, dust collecting groove etc. and hang on one side about can the use activity, make blackboard eraser more clean and tidy clean, have avoided chalk dust to be stained with palm, improve the efficient of giving lessons, also ensured the learning efficiency of students.
As preferably, be provided with hook on the sidewall of described plate body.The setting of hook has guaranteed that plate body can be hung on and the place of suspension hook, and is convenient and swift.
The beneficial effects of the utility model are, have solved dust from flying when erasing the board, the physically and mentally healthy problem of harm academics and students, make blackboard eraser more clean and tidy clean, have avoided chalk dust to be stained with palm, have improved the efficient of giving lessons, and have also ensured the learning efficiency of students.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is a kind of structural representation of the present utility model.
1. plate bodys among the figure, 2. dust collecting groove, 3. movable base plate, 4. rubbing head, 5. bumper, 6. dirt-proof boot, 7. hook.
The specific embodiment
Embodiment:
A kind of blackboard eraser for environmental protection (referring to accompanying drawing 1), comprise rubbing head 4 and plate body 1, rubbing head 4 is fixedly connected with the front surface of plate body 1, and described plate body 1 back side offers dust collecting groove 2, is connected with the movable base plate 3 that is complementary with dust collecting groove 2 on the described dust collecting groove 2.The bumper 5 that extends before and after being provided with on described plate body 1 two side.Be provided with on the described plate body two side for the dirt-proof boot 6 that covers plate body.Be provided with hook 7 on one sidewall of described plate body.Be provided with a dust collecting groove between rubbing head and the movable base plate, rubbing head contacts with blackboard during use, when repeatedly wiping examination, dust on the rubbing head can drop in the dust collecting groove and store, then can take away the dust of pouring out storage to movable base plate, solve dust from flying when erasing the board, the physically and mentally healthy problem of harm academics and students.After finishing using, two side dust jackets all cover plate body, rubbing head, substrate, dust collecting groove etc. and hang on one side about can the use activity, make blackboard eraser more clean and tidy clean, have avoided chalk dust to be stained with palm, improve the efficient of giving lessons, also ensured the learning efficiency of students.
Claims (4)
1. blackboard eraser for environmental protection, comprise rubbing head and plate body, described rubbing head is fixedly connected with the front surface of described plate body, it is characterized in that: the described plate body back side offers dust collecting groove, is connected with the movable base plate that is complementary with dust collecting groove on the described dust collecting groove.
2. blackboard eraser for environmental protection according to claim 1 is characterized in that: the bumper that extends before and after being provided with on the described plate body two side.
3. blackboard eraser for environmental protection according to claim 1 and 2 is characterized in that: be provided with on the described plate body two side for the dirt-proof boot that covers plate body.
4. blackboard eraser for environmental protection according to claim 1 and 2 is characterized in that: be provided with hook on the sidewall of described plate body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374937 CN202703047U (en) | 2012-07-31 | 2012-07-31 | Environmentally-friendly blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220374937 CN202703047U (en) | 2012-07-31 | 2012-07-31 | Environmentally-friendly blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202703047U true CN202703047U (en) | 2013-01-30 |
Family
ID=47583381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220374937 Expired - Fee Related CN202703047U (en) | 2012-07-31 | 2012-07-31 | Environmentally-friendly blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202703047U (en) |
-
2012
- 2012-07-31 CN CN 201220374937 patent/CN202703047U/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: 20130130 Termination date: 20150731 |
|
| EXPY | Termination of patent right or utility model |