CN203004761U - Novel reel type blackboard - Google Patents
Novel reel type blackboard Download PDFInfo
- Publication number
- CN203004761U CN203004761U CN 201220719768 CN201220719768U CN203004761U CN 203004761 U CN203004761 U CN 203004761U CN 201220719768 CN201220719768 CN 201220719768 CN 201220719768 U CN201220719768 U CN 201220719768U CN 203004761 U CN203004761 U CN 203004761U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- right baffle
- plate
- back board
- rotary shaft
- 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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Abstract
The utility model relates to a novel reel type blackboard which comprises a blackboard, an upper rotary shaft, a lower rotary shaft, a left barrier, a right barrier, a back board, a chain, a turning wheel, a blackboard eraser and a dust collecting chamber. The upper rotary shaft is arranged at the upper end of the back board, the lower rotary shaft is arranged at the lower end of the back board, the left barrier is arranged at the left end of the back board, the right barrier is arranged at the right end of the back board, the blackboard eraser and the dust collecting chamber are arranged at the rear of the back board, and the blackboard is arranged on the surface of the back board; the turning wheel is arranged at the upper end of the left barrier, and an upper clamp groove and a lower clamp groove are arranged at the rear of the left barrier; another upper clamp groove and another lower clamp groove are arranged at the rear of the right barrier; and the chain is arranged on the turning wheel. The novel reel type blackboard has the advantages that the utilization area of the blackboard can be increased by means of turning the rotary shafts, the novel reel type blackboard brings convenience for teachers during teaching, dust can be collected by the dust collecting chamber, and effects of environmental protection and sanitation are realized during teaching; and the novel reel type blackboard is simple in structure, is time-saving, labor-saving, economical and environment-friendly, and can be widely used by the teachers during teaching, and contents written on the novel reel type blackboard can be erased conveniently.
Description
Technical field
The utility model relates to a kind of blackboard, especially a kind of novel winding drum formula blackboard.
Background technology
Blackboard eraser is a kind of instrument that the word of writing on blackboard is wiped, and mainly is comprised of bristle and handgrip, and its main material is; Plastics, fiber, irony etc.Blackboard is as a kind of teaching aid, and it can be write and the planar structure that need not change repeatedly, and the space of a whole page is hard.Surface color mostly is black, and is white and blackish green.
Blackboard is widely used in school, society now, and blackboard not only only is used for school, and company, family also have the community all to need blackboard, are used for publish information and write blackboard newspaper, also use blackboard when training course is done to the employee by company.
At present, the blackboard majority of each large, medium and small education use is traditional hard blackboard, artificial erasing chalk word, the dust full classroom of wafing causes teachers and students easily to suffer from respiratory disease, diminish the healthy of teachers and students, and waste time and energy, affect teaching efficiency, taken valuable instructional blocks of time, this original teaching aid and modern education cause are incompatible, and do not meet environmental requirement.Now just propose a kind of not only environmental protection but also practical blackboard, bring guarantee for academics and students's life and health, be improved service efficiency.
The utility model content
In order to overcome the deficiency of above-mentioned existing product, the purpose of this utility model is to provide a kind of novel winding drum formula blackboard, it adopts blackboard is being arranged to soft material, by two the rotating shaft driven rotary in up and down, blackboard eraser is arranged on the blackboard back, in the time of the blackboard rotation, blackboard eraser is clean with blackboard eraser, and dust collection is in disposal box.
In order to realize that the technical scheme that the purpose of this utility model adopts is: a kind of novel winding drum formula blackboard is characterized in that: it is made of blackboard, upper rotating shaft, lower rotary shaft, right baffle-plate, right baffle plate, backboard, chain, runner, blackboard eraser, disposal box; Described backboard is square shape, rotating shaft on the upper end, and the lower end is provided with lower rotary shaft, and left end right baffle-plate, right-hand member are provided with right baffle plate, and the back is provided with blackboard eraser and disposal box, and the surface is provided with blackboard; Described right baffle-plate is square shape, and the upper end is provided with runner, and the back is provided with draw-in groove and lower bayonet slot; Described right baffle plate is square shape, and the back is provided with draw-in groove and lower bayonet slot; Described runner is toroidal, and the above is provided with chain.
The beneficial effects of the utility model are: it can make by the rotation of rotating shaft the usable floor area of blackboard increase, and facilitates teacher to impart knowledge to students, and can collect dust by disposal box again, makes the more environmentally-friendly sanitary of imparting knowledge to students; And simple in structure, be convenient to wipe, time saving and energy saving, economic environmental protection is widely used in teacher's teaching.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the utility model is further described.
Fig. 1 is the utility model Facad structure figure
Fig. 2 is the utility model structure figure
Fig. 3 is the utility model blackboard and baffle plate rearview
Fig. 4 is the utility model cutaway view
1-runner, 2-blackboard, the right baffle plate of 3-, the right baffle plate of 4-, 5-chain, 6-blackboard eraser, 7-disposal box, 8-lower bayonet slot, the upper draw-in groove of 9-, the upper rotating shaft of 10-, 11-backboard, 12-lower rotary shaft in figure.
The specific embodiment
In Fig. 1, Fig. 2, Fig. 3, the first embodiment shown in Figure 4, a kind of novel winding drum formula blackboard is characterized in that: it is made of blackboard, upper rotating shaft, lower rotary shaft, right baffle-plate, right baffle plate, backboard, chain, runner, blackboard eraser, disposal box; Described backboard is square shape, rotating shaft on the upper end, and the lower end is provided with lower rotary shaft, and left end right baffle-plate, right-hand member are provided with right baffle plate, and the back is provided with blackboard eraser and disposal box, and the surface is provided with blackboard; Described right baffle-plate is square shape, and the upper end is provided with runner, and the back is provided with draw-in groove and lower bayonet slot; Described right baffle plate is square shape, and the back is provided with draw-in groove and lower bayonet slot; Described runner is toroidal, and the above is provided with chain.
In Fig. 1, the second embodiment shown in Figure 4, described blackboard is arranged on around backboard, and is soft material, can around upper rotating shaft and lower rotary shaft rotation, be convenient for people to use; Described right baffle-plate and right baffle plate are separately positioned on two ends, backboard left and right, and are fixed on backboard, form the fixed mount of an integral body; Described upper rotating shaft is arranged on the backboard upper end, is fixed on the backboard upper end by right baffle-plate and right baffle plate, can rotate; Described lower rotary shaft is arranged on the backboard lower end, is fixed on the backboard lower end by right baffle-plate and right baffle plate, when upper rotating shaft rotation, drives blackboard and moves, thereby make the lower rotary shaft rotation; Described runner is arranged on the right baffle-plate left upper end, and interconnects with upper rotating shaft, when runner rotates, can drive the rotating shaft rotation; Described chain is arranged on runner, and chain is used for pulling the runner rotation, thereby makes the rotating shaft rotation.
In the 3rd embodiment shown in Figure 2, described blackboard eraser is arranged on the backboard back, and is fixed on right baffle-plate and right baffle plate by upper draw-in groove, can be convenient for people to clear up blackboard; Described disposal box is arranged on the backboard back, and is fixed on right baffle-plate and right baffle plate by lower bayonet slot, and when erasing the board, dust will drop in disposal box, and dust can be scattered everywhere.
In the 4th embodiment shown in Figure 3, described upper draw-in groove is arranged on right baffle-plate and right baffle plate centre position, is used for fixing blackboard eraser, can make blackboard eraser take off and change from upper draw-in groove easily; Described lower bayonet slot is arranged on right baffle-plate and right baffle plate lower end position, is used for fixing disposal box, can make disposal box take off from lower bayonet slot easily and clear up.
When using the utility model, after writing full word on blackboard, in the time of the word on blackboard need to being wiped, at first, pull chain, the blackboard of writing full word is turned to blackboard eraser, just the word on blackboard can be wiped clean, be convenient for people to use, simple to operate, easy to use.
Claims (4)
1. novel winding drum formula blackboard, it is characterized in that: it is made of blackboard, upper rotating shaft, lower rotary shaft, right baffle-plate, right baffle plate, backboard, chain, runner, blackboard eraser, disposal box; Described backboard is square shape, rotating shaft on the upper end, and the lower end is provided with lower rotary shaft, and left end right baffle-plate, right-hand member are provided with right baffle plate, and the back is provided with blackboard eraser and disposal box, and the surface is provided with blackboard; Described right baffle-plate is square shape, and the upper end is provided with runner, and the back is provided with draw-in groove and lower bayonet slot; Described right baffle plate is square shape, and the back is provided with draw-in groove and lower bayonet slot; Described runner is toroidal, and the above is provided with chain.
2. a kind of novel winding drum formula blackboard according to claim 1, it is characterized in that: described right baffle-plate and right baffle plate are separately positioned on two ends, backboard left and right; Described runner is arranged on the right baffle-plate left upper end; Described chain is arranged on runner.
3. a kind of novel winding drum formula blackboard according to claim 1 is characterized in that: described blackboard eraser is arranged on the backboard back.
4. a kind of novel winding drum formula blackboard according to claim 1 is characterized in that: described upper draw-in groove is arranged on right baffle-plate and right baffle plate centre position; Described lower bayonet slot is arranged on right baffle-plate and right baffle plate lower end position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719768 CN203004761U (en) | 2012-12-24 | 2012-12-24 | Novel reel type blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220719768 CN203004761U (en) | 2012-12-24 | 2012-12-24 | Novel reel type blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203004761U true CN203004761U (en) | 2013-06-19 |
Family
ID=48596386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220719768 Expired - Fee Related CN203004761U (en) | 2012-12-24 | 2012-12-24 | Novel reel type blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203004761U (en) |
-
2012
- 2012-12-24 CN CN 201220719768 patent/CN203004761U/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: 20130619 Termination date: 20151224 |
|
| EXPY | Termination of patent right or utility model |