CN202557059U - Improved movable blackboard - Google Patents
Improved movable blackboard Download PDFInfo
- Publication number
- CN202557059U CN202557059U CN2012201743436U CN201220174343U CN202557059U CN 202557059 U CN202557059 U CN 202557059U CN 2012201743436 U CN2012201743436 U CN 2012201743436U CN 201220174343 U CN201220174343 U CN 201220174343U CN 202557059 U CN202557059 U CN 202557059U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- driving wheel
- writing surface
- eraser
- improved
- 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
- 238000004140 cleaning Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 4
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to an improved movable blackboard which comprises a blackboard body. A driving wheel and a driven wheel are mounted at two parallel ends of the blackboard body, a blackboard writing surface is arranged around the driving wheel, the driven wheel and the blackboard body, and a blackboard eraser is arranged on the blackboard body. The blackboard writing surface is driven to move by the driving wheel and the driven wheel, and the improved movable blackboard is further provided with the blackboard eraser, so that the technical problem that a blackboard cleaning process is time-consuming and labor-consuming in the prior art is solved, and the improved movable blackboard is simple and convenient to use.
Description
Technical field
The utility model relates to a kind of teaching aid, relates to a kind of blackboard specifically.
Background technology
The blackboard that teaching is at present used, the blackboard writing surface is fixed on when erasing the board wastes time and energy, and uses inconvenience.
The utility model content
The problem that the utility model will solve is to above problem, a kind of improved Reelable blackboard of the technical problem that provides a kind of solution to erase the board to waste time and energy.
For addressing the above problem; The technical scheme that the utility model adopted is: a kind of improved Reelable blackboard; Comprise the blackboard body; The parallel two ends of said blackboard body are equipped with driving wheel and driven pulley, are provided with the blackboard writing surface around said driving wheel, said driven pulley and said blackboard body, and said blackboard body is provided with blackboard eraser.
As a kind of improvement; The two ends up and down of said blackboard body are provided with slideway; Be slidingly fitted with connecting rod in the said slideway; The free end of said connecting rod is connected with blackboard eraser, and said blackboard eraser is positioned at the lateral surface of said blackboard writing surface, and the width of said blackboard eraser equates with the width of said blackboard writing surface at least.
The utility model is taked above technical scheme; Have the following advantages: a kind of improved Reelable blackboard; Comprise the blackboard body; The parallel two ends of said blackboard body are equipped with driving wheel and driven pulley, are provided with the blackboard writing surface around said driving wheel, said driven pulley and said blackboard body, and said blackboard body is provided with blackboard eraser; The blackboard writing surface moves under the drive of driving wheel and driven pulley, adds the setting of blackboard eraser, and the technical problem that having solved erases the board wastes time and energy uses simple and convenient.
Below in conjunction with Fig. 1, Fig. 2 and embodiment the utility model is described further.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 be among Fig. 1 A-A to profile.
Among the figure: 1-blackboard body; The 2-driving wheel; The 3-driven pulley; 4-blackboard writing surface; The 5-blackboard eraser; The 6-slideway; The 7-connecting rod.
The specific embodiment
Embodiment: a kind of improved Reelable blackboard; Comprise blackboard body 1; The parallel two ends of said blackboard body 1 are equipped with driving wheel 2 and driven pulley 3, are provided with blackboard writing surface 4 around said driving wheel 2, said driven pulley 3 and said blackboard body 1, and said blackboard body 1 is provided with blackboard eraser 5.The two ends up and down of said blackboard body 1 are provided with slideway 6; Be slidingly fitted with connecting rod 7 in the said slideway 6; The free end of said connecting rod 7 is connected with blackboard eraser 5; Said blackboard eraser 5 is positioned at the lateral surface of said blackboard writing surface 5, and the width of said blackboard eraser 5 equates with the width of said blackboard writing surface 4 at least.The blackboard writing surface moves under the drive of driving wheel and driven pulley, adds the setting of blackboard eraser, and the technical problem that having solved erases the board wastes time and energy uses simple and convenient.
Claims (2)
1. improved Reelable blackboard; Comprise the blackboard body; It is characterized in that: the parallel two ends of said blackboard body are equipped with driving wheel and driven pulley, are provided with the blackboard writing surface around said driving wheel, said driven pulley and said blackboard body, and said blackboard body is provided with blackboard eraser.
2. a kind of improved Reelable blackboard as claimed in claim 1; It is characterized in that: the two ends up and down of said blackboard body are provided with slideway; Be slidingly fitted with connecting rod in the said slideway; The free end of said connecting rod is connected with blackboard eraser, and said blackboard eraser is positioned at the lateral surface of said blackboard writing surface, and the width of said blackboard eraser equates with the width of said blackboard writing surface at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201743436U CN202557059U (en) | 2012-04-14 | 2012-04-14 | Improved movable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201743436U CN202557059U (en) | 2012-04-14 | 2012-04-14 | Improved movable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202557059U true CN202557059U (en) | 2012-11-28 |
Family
ID=47206753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201743436U Expired - Fee Related CN202557059U (en) | 2012-04-14 | 2012-04-14 | Improved movable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202557059U (en) |
-
2012
- 2012-04-14 CN CN2012201743436U patent/CN202557059U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121128 Termination date: 20130414 |