CN201143843Y - Novel blackboard - Google Patents
Novel blackboard Download PDFInfo
- Publication number
- CN201143843Y CN201143843Y CNU2007200777171U CN200720077717U CN201143843Y CN 201143843 Y CN201143843 Y CN 201143843Y CN U2007200777171 U CNU2007200777171 U CN U2007200777171U CN 200720077717 U CN200720077717 U CN 200720077717U CN 201143843 Y CN201143843 Y CN 201143843Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- utility
- model
- novel
- roller bearing
- 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
- 238000003491 array Methods 0.000 claims description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 239000004744 fabric Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a novel blackboard which essentially includes a framework consisting of a front panel and a rear panel which are lined symmetrically; both ends of the framework are provided with an upper roller and a lower roller; the framework is provided with a flexible panel; one side of the flexible panel is provided with a cylindrical blackboard eraser along the horizontal roller direction; the upper roller, the lower roller and the cylindrical blackboard eraser are connected with a motor by conveying belts. In the utility model, automatic operation in blackboard erasing is realized, and manual operation is not needed any more; meanwhile, the novel blackboard can prevent the dust from flying everywhere, and thus affecting the environment and the health. The novel blackboard has the advantages of simple structure, easy realization and strong practicality.
Description
Technical field
The utility model is novel to relate to a kind of educational aid, particularly a kind of blackboard of electronic novelty.
Background technology
Teacher is last class hour in the teacher, often need wipe letter written with chalk with blackboard eraser, both required great effort, and lose time again, and chalk dust had also polluted the air in the classroom when influencing teacher's environment.If things go on like this, can influence the healthy of teacher and classmate.
The utility model content
The utility model is at the deficiency of existing blackboard, and a kind of novel blackboard that can carry out automatic blackboard cleaning is provided.
In order to reach described purpose, the novel blackboard that the utility model provides, its group will comprise because the front and back panel symmetric arrays, the skeleton that is provided with roller bearing up and down at its two ends and forms, be with softpanel on the described skeleton, one side of softpanel is provided with columnar blackboard eraser along parallel roller bearing direction, and described roller bearing up and down is connected with motor by conveyer belt with the cylindrical shape blackboard eraser.
The utility model can provide a kind of automatic wiping letter written with chalk, and realizing erases the board no longer needs manpower, and automation can prevent that dust from flying away everywhere simultaneously, influences environment and health.The utility model is simple in structure, realizes easily, and is practical.
Description of drawings
Further specify the utility model below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
As shown in Figure 1, related novel blackboard on it, skeleton is because smooth panel 4 symmetric arrays of front and rear surfaces, be provided with up and down roller bearing 1 at its two ends and form, on skeleton, be with end to end rexine cloth limp cover plate 3, one side of softpanel is fixed with columnar blackboard eraser 2 along parallel roller bearing direction, and the rotation of roller bearing and cylindrical shape blackboard eraser is provided by belt 6 by motor 5 up and down.The control button of motor can be located at the side (not providing among the figure) of blackboard.In the needs blackboard wiping, press the button, motor will drive roller bearing and the rotation of cylindrical shape blackboard eraser up and down, the rotation of roller bearing has driven the rexine cloth limp cover plate rotation on the skeleton up and down, the softpanel of one side rises, the softpanel of opposite side descends, softpanel is opposite with the cylindrical shape blackboard eraser direction of motion simultaneously, just in time can wipe the chalk person's handwriting automatically.
More than be one of embodiment of the present utility model,, do not spend performing creative labour, on the basis of the foregoing description, can do multiple variation, can realize the purpose of this utility model equally for those skilled in the art.But this variation obviously should be in the protection domain of claims of the present utility model.
Claims (1)
1, novel blackboard, its group will comprise because the front and back panel symmetric arrays, the skeleton that is provided with roller bearing up and down at its two ends and forms, it is characterized in that, be with softpanel on the described skeleton, one side of softpanel is provided with columnar blackboard eraser along parallel roller bearing direction, and described roller bearing up and down is connected with motor by conveyer belt with the cylindrical shape blackboard eraser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200777171U CN201143843Y (en) | 2007-12-29 | 2007-12-29 | Novel blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200777171U CN201143843Y (en) | 2007-12-29 | 2007-12-29 | Novel blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201143843Y true CN201143843Y (en) | 2008-11-05 |
Family
ID=40080711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200777171U Expired - Fee Related CN201143843Y (en) | 2007-12-29 | 2007-12-29 | Novel blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201143843Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442114A (en) * | 2014-12-15 | 2015-03-25 | 广西大学 | Blackboard with automatic erasing function |
| CN104553517A (en) * | 2015-01-22 | 2015-04-29 | 三峡大学 | Transmitting type dust isolation blackboard and eraser integrated machine |
-
2007
- 2007-12-29 CN CNU2007200777171U patent/CN201143843Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104442114A (en) * | 2014-12-15 | 2015-03-25 | 广西大学 | Blackboard with automatic erasing function |
| CN104553517A (en) * | 2015-01-22 | 2015-04-29 | 三峡大学 | Transmitting type dust isolation blackboard and eraser integrated machine |
| CN104553517B (en) * | 2015-01-22 | 2017-04-12 | 三峡大学 | Transmitting type dust isolation blackboard and eraser integrated machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |