CN2429335Y - Writing board with automatic and electric rotary eraser - Google Patents
Writing board with automatic and electric rotary eraser Download PDFInfo
- Publication number
- CN2429335Y CN2429335Y CN 00215341 CN00215341U CN2429335Y CN 2429335 Y CN2429335 Y CN 2429335Y CN 00215341 CN00215341 CN 00215341 CN 00215341 U CN00215341 U CN 00215341U CN 2429335 Y CN2429335 Y CN 2429335Y
- Authority
- CN
- China
- Prior art keywords
- board
- plate
- roller
- eraser
- button
- 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
The utility model relates to a writing board with an automatic and electric rotary eraser, which belongs to a writing board with an automatically and electrically controlled rotary eraser. A board surface adhesive tape is sheathed on an electric roller and a driven roller, and both ends of the rear side of the board surface adhesive tape are respectively provided with a tension roller, a board eraser, a powder bumping board and a powder box. The rear side of the board surface adhesive tape is provided with a plastic backing board fixed on a board frame by a connecting board, and a right rotating press-button and an inverse rotating press-button respectively control the electric roller to rotate forwards and backwards. The utility model has the advantages of simple structure, convenient operation, no powder flying up phenomenon, no reserved handwriting after erasion, clean erasion effect, no light reflection or slip on the board surface, and low cost. The utility model can be widely used as a writing board with an automatic eraser for chalk handwriting in classrooms of various schools.
Description
The electronic rotational automatic wiping letter stencil of the utility model belongs to the rotational automatic wiping letter stencil of electronic control.
In the prior art on the blackboard writing need with manually wiping, dust from flying pollutes indoor environment, and human body is produced harm, is unfavorable for healthyly, inconvenient operation wastes time and energy, and is difficult for applying.
The purpose of the electronic rotational automatic wiping letter stencil of the utility model, be to overcome above-mentioned defective and design a kind of electronic rotational automatic wiping letter stencil, it is to adopt electromotive roller to drive letter stencil to rotate, plate face rear side is provided with blackboard eraser and blocking plate and powder box, by the rotating of rotating button control electromotive roller, plate face writing is wiped through blackboard eraser, powder falls into last box, reaches the purpose of writing on the automatic removing letter stencil, and powder does not fly upward, the letter stencil cleaning, the mark of not writeeing down characters, easy to operate, time saving and energy saving, the health care of keeping a public place clean extensively is alternative in the employed blackboard of all kinds of large, medium and small universities and colleges.
The electronic rotational automatic wiping letter stencil of the utility model takes following technical scheme to realize, it is to be respectively equipped with instrument cases and powder box and rotating button by wiping the letter stencil two ends, the electromotive roller mount pad is set on the grillage, the grillage two ends are provided with electromotive roller and driven roll respectively, plate adhesive belt is nested with on electromotive roller and driven roll, the plate adhesive belt back is provided with plastic base plate and connecting plate, idler roller and bolt are set on the grillage, plate adhesive belt rear side two ends are respectively equipped with blackboard eraser plate and blocking plate and powder box, just changeing the positive and negative rotation of button and invert button control electromotive roller, driving plate adhesive belt by electromotive roller and driven roll rotates, by the tensioning of idler roller control plate adhesive belt, plastic base plate supports plate adhesive belt, plastic base plate is fixed on the grillage by connecting plate, driven roll is by bolting, and powder box is arranged on the lower end of blackboard eraser and blocking plate, and electromotive roller is made of motor and roller and bearing.
The effect of the electronic rotational automatic wiping letter stencil of the utility model is simple in structure, easy to operate, powder does not fly upward, and wipes the word mark of not writeeing down characters, and rotates letter stencil automatically and wipes writing automatically, slow rotation, the plate face is not reflective non-slip, anti-use, the colour-fast nothing of the plate face look of making an uproar, cost is low, is widely used in all kinds of classroom and writes chalk writing and wipe letter stencil automatically.
The electronic rotational automatic wiping letter stencil of the utility model will describe in further detail in conjunction with the accompanying drawings.
Fig. 1 is the vertical view of the electronic rotational automatic wiping letter stencil of the utility model.
Fig. 2 is the structural representation of the electronic rotational automatic wiping letter stencil of the utility model.
1-electromotive roller 2-mount pad 3-plate adhesive belt 4-plastic base plate 5-connecting plate 6-idler roller 7-roller bolt 8-driven roll 9-blackboard eraser 10-blocking plate 11-invert button 12-is just changeing button 13-powder box 14-instrument cases 15-grillage
With reference to Fig. 1,2, the electronic rotational automatic wiping letter stencil of the utility model, it is by being nested with plate adhesive belt 3 on electromotive roller 1 and the driven roll 8, electromotive roller 1 is set on the mount pad 2, driven roll 8 is fixedly connected by bolt 7, two idler rollers 6 are separately positioned on plate adhesive belt 3 rear side two ends tensioning plate adhesive belts 3, plastic base plate 4 devices are fixed on the grillage 15 by connecting plate 5 at plate adhesive belt 3 rear sides, plate adhesive belt 3 rear side two ends are provided with two blackboard erasers 9 and blocking plate 10, grillage 15 lower ends are provided with instrument cases 14, powder box 13 and just changeing button 12 and invert button 11, plastic base plate 4 supports plate adhesive belts 3.Just changeing button 12 and the 1 positive and negative rotation of invert button 11 control electromotive rollers, electromotive roller 1 drives plate adhesive belt 3 with driven roll 8 and rotates, by blackboard eraser 9 and blocking plate 10 writing on the plate adhesive belt 3 is wiped, powder falls in the last box 13, and electromotive roller 1 is made of motor and roller and bearing.
The embodiment of the electronic rotational automatic wiping letter stencil of the utility model, it is by being nested with plate adhesive belt 3 on electromotive roller 1 and the driven roll 8, electromotive roller 1 is set on the mount pad 2, driven roll 8 is fixed on the grillage 15 by bolt 7, plate adhesive belt 3 rear side two ends are provided with two blackboard erasers 9 and blocking plate 10 and powder box 13 respectively, plate adhesive belt 3 rear side two ends are provided with 3 tensionings of two idler rollers, 6 control plate adhesive belts respectively, plate adhesive belt 3 rear sides are provided with plastic base plate 4 and are fixed on the grillage 15 by connecting plate 5, wiping the letter stencil lower end is respectively equipped with instrument cases 14 and is just changeing button 12 and invert button 11, plastic base plate 4 supports plate adhesive belt 3 rear sides, and plate adhesive belt 3 is various color plane rubber sheets.Just changeing button 12 and turning round button 11 with counter-rotating and control electromotive roller 1 positive and negative rotation respectively, electromotive roller 1 drives plate adhesive belts 3 rotations with driven roll 8, and blackboard eraser 9 is wiped writing on the plate adhesive belt 3 with blocking plate 10, and powder falls in the powder box 14.
Claims (1)
1, a kind of electronic rotational automatic wiping letter stencil, it is to go up device electromotive roller (1) by mount pad (2), blackboard eraser (9) and instrument cases (13) and rotating button are set on the grillage (15), it is characterized in that being nested with plate adhesive belt (3) on electromotive roller (1) and the driven roll (8), plate adhesive belt (3) rear side two ends are provided with idler roller (6) and blackboard eraser (9) and blocking plate (10) respectively, plate adhesive belt (3) rear side is provided with plastic base plate (4) and is fixed on the grillage (15) by connecting plate (5), blackboard eraser (9) is provided with powder box (14) with blocking plate (10) lower end, is just changeing button (12) and is controlling the positive and negative rotation of electromotive roller (1) respectively with invert button (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00215341 CN2429335Y (en) | 2000-06-30 | 2000-06-30 | Writing board with automatic and electric rotary eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00215341 CN2429335Y (en) | 2000-06-30 | 2000-06-30 | Writing board with automatic and electric rotary eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2429335Y true CN2429335Y (en) | 2001-05-09 |
Family
ID=33581297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00215341 Expired - Fee Related CN2429335Y (en) | 2000-06-30 | 2000-06-30 | Writing board with automatic and electric rotary eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2429335Y (en) |
-
2000
- 2000-06-30 CN CN 00215341 patent/CN2429335Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| FG1K | Grant of 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 |