CN204659300U - Multi-functionally extend blackboard eraser - Google Patents
Multi-functionally extend blackboard eraser Download PDFInfo
- Publication number
- CN204659300U CN204659300U CN201520249711.2U CN201520249711U CN204659300U CN 204659300 U CN204659300 U CN 204659300U CN 201520249711 U CN201520249711 U CN 201520249711U CN 204659300 U CN204659300 U CN 204659300U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- raised body
- connecting hole
- teaching ruler
- shell
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
One is multi-functional extends blackboard eraser, it is characterized in that comprising blackboard eraser shell (1), raised body (2), sponge brush (3), teaching ruler (4), connecting hole (5) and scale (6), described blackboard eraser shell (1) bottom is provided with multiple raised body (2), blackboard eraser shell (1) top is provided with sponge brush (3), teaching ruler (4) is provided with multiple connecting hole (5), the shape of connecting hole (5) is corresponding with raised body (2), raised body (2) can with connecting hole (5) grafting, teaching ruler (4) is also provided with scale (6).Of the present utility modelly multi-functionally extend blackboard eraser, can easily with supporting teaching ruler sub-connection, facilitate classmate to use, can greatly reduce use difficulty, effectively extend the actionradius of blackboard eraser, high-effective and labour-saving, combining with teaching ruler, has the advantage of one-object-many-purposes simultaneously.
Description
Technical field
The utility model relates to teaching technical field of stationery, especially a kind ofly multi-functionally extends blackboard eraser.
Background technology
Existing blackboard eraser, can only by the hand-held use of user, and lower classmate is often short, is just difficult to the letter written with chalk clipping higher position, needs to stand on stool to erase the board, and falls injured thing and happens occasionally, and brings inconvenience to actual use.
Summary of the invention
The purpose of this utility model is to provide a kind of and multi-functionally extends blackboard eraser, to overcome above-mentioned defect.
The technical solution of the utility model is:
One is multi-functional extends blackboard eraser, comprise blackboard eraser shell 1, raised body 2, sponge brush 3, teaching ruler 4, connecting hole 5 and scale 6, multiple raised body 2 is provided with bottom described blackboard eraser shell 1, blackboard eraser shell 1 top is provided with sponge brush 3, teaching ruler 4 is provided with multiple connecting hole 5, the shape of connecting hole 5 is corresponding with raised body 2, raised body 2 can with connecting hole 5 grafting, teaching ruler 4 is also provided with scale 6.
The shape of described raised body 2 is cylindrical or polygon cylinder.
The material of described blackboard eraser shell 1 is plastics or nonmetallic composite.
Described raised body 2 and blackboard eraser shell 1 are an entirety.
The material of described teaching ruler 4 is plastics or lucite.
The beneficial effects of the utility model are:
Of the present utility modelly multi-functionally extend blackboard eraser, can easily with supporting teaching ruler sub-connection, facilitate classmate to use, can greatly reduce use difficulty, effectively extend the actionradius of blackboard eraser, high-effective and labour-saving, combining with teaching ruler, has the advantage of one-object-many-purposes simultaneously.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bottom surface of blackboard eraser of the present utility model.
Fig. 2 be blackboard eraser of the present utility model side structure schematic diagram.
Fig. 3 is the structural representation of teaching ruler of the present utility model.
Fig. 4 is that blackboard eraser of the present utility model and teaching ruler combine the structural representation extended.
In figure: 1 be blackboard eraser shell, 2 be raised body, 3 be sponge brush, 4 be teaching ruler, 5 be connecting hole, 6 for scale.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further described:
As Fig. 1 to 4, one is multi-functional extends blackboard eraser, comprise blackboard eraser shell 1, raised body 2, sponge brush 3, teaching ruler 4, connecting hole 5 and scale 6, multiple raised body 2 is provided with bottom described blackboard eraser shell 1, blackboard eraser shell 1 top is provided with sponge brush 3, and teaching ruler 4 is provided with multiple connecting hole 5, and the shape of connecting hole 5 is corresponding with raised body 2, raised body 2 can with connecting hole 5 grafting, teaching ruler 4 is also provided with scale 6.
The shape of described raised body 2 is cylindrical or polygon cylinder.
The material of described blackboard eraser shell 1 is plastics or nonmetallic composite.
Described raised body 2 and blackboard eraser shell 1 are an entirety.
The material of described teaching ruler 4 is plastics or lucite.
Blackboard eraser can be used alone, and also can use with teaching ruler 4 grafting, reaches the effect extending blackboard eraser actionradius.Teaching ruler is provided with multiple connecting hole 5, conveniently blackboard eraser can be extended different length.
Embodiment recited above is only be described preferred embodiment of the present utility model; not design of the present utility model and scope are limited; do not departing under the utility model design concept prerequisite; the various modification that in this area, common engineers and technicians make the technical solution of the utility model and improvement; all should fall into protection domain of the present utility model, the technology contents of the utility model request protection is all recorded in detail in the claims.
Claims (5)
1. one kind multi-functionally extends blackboard eraser, it is characterized in that comprising blackboard eraser shell (1), raised body (2), sponge brush (3), teaching ruler (4), connecting hole (5) and scale (6), described blackboard eraser shell (1) bottom is provided with multiple raised body (2), blackboard eraser shell (1) top is provided with sponge brush (3), teaching ruler (4) is provided with multiple connecting hole (5), the shape of connecting hole (5) is corresponding with raised body (2), raised body (2) can with connecting hole (5) grafting, teaching ruler (4) is also provided with scale (6).
2. according to claim 1ly multi-functionally extend blackboard eraser, it is characterized in that the shape of described raised body (2) is cylindrical or polygon cylinder.
3. according to claim 1ly multi-functionally extend blackboard eraser, it is characterized in that the material of described blackboard eraser shell (1) is plastics or nonmetallic composite.
4. according to claim 1ly multi-functionally extend blackboard eraser, it is characterized in that described raised body (2) and blackboard eraser shell (1) are one overall.
5. according to claim 1ly multi-functionally extend blackboard eraser, it is characterized in that the material of described teaching ruler (4) is plastics or lucite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249711.2U CN204659300U (en) | 2015-04-22 | 2015-04-22 | Multi-functionally extend blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520249711.2U CN204659300U (en) | 2015-04-22 | 2015-04-22 | Multi-functionally extend blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204659300U true CN204659300U (en) | 2015-09-23 |
Family
ID=54129724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520249711.2U Expired - Fee Related CN204659300U (en) | 2015-04-22 | 2015-04-22 | Multi-functionally extend blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204659300U (en) |
-
2015
- 2015-04-22 CN CN201520249711.2U patent/CN204659300U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150923 Termination date: 20190422 |