CN2523617Y - Dustproof erasers - Google Patents
Dustproof erasers Download PDFInfo
- Publication number
- CN2523617Y CN2523617Y CN 02200840 CN02200840U CN2523617Y CN 2523617 Y CN2523617 Y CN 2523617Y CN 02200840 CN02200840 CN 02200840 CN 02200840 U CN02200840 U CN 02200840U CN 2523617 Y CN2523617 Y CN 2523617Y
- Authority
- CN
- China
- Prior art keywords
- rotating shaft
- utility
- model
- blackboard
- dustproof
- 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
Abstract
The utility model relates to a novel dustproof blackboard eraser, which comprises a blackboard, a dustproof shield, a fixed pin, a rotating shaft, a sponge, a rotating shaft pin and a dump rail. As the blackboard with a rotating type is designed in the technical proposal of the utility model, the dust is not easy to be made when the blackboard is erased; as the dustproof shield is designed in the technical proposal of the utility model, the dust can be prevented completely from overflowing. The utility model is characterized in that: the rotating shaft is embedded and arranged at the two sides of the rotating shaft pin which is embedded and is arranged at the two sides of the dump rail and the rotating shaft of the dustproof shield is arranged at the lower part of the rotating shaft pin. The utility model is a novel dustproof blackboard eraser with high practical value.
Description
(1) technical field:
The utility model relates to novel dust-proof blackboard eraser.Belong to operation Department of Transportation by International Patent Classification (IPC) (IPC) division, printing branch is write or drawing appliance; The big class of office appliance is write or drawing article; The assistant product group of writing or draw, big group of the cleaning device of blackboard or slabstone has the little technical group field of sucking chalk powder device.
(2) background technology:
At present, have now and big group of the cleaning device that once had, have the technology of the group of sucking chalk powder device that the demand of novel dust-proof blackboard eraser was all done very fruitful effort, also once designed many outstanding technical schemes about blackboard or slabstone.As being declared by Zheng Yi of the Decree of Patent Office of China on January 9th, 1998, China Patent No. (ZL) is: No. 98200269.6 utility model title is the utility model patent of " dry type dust absorption blackboard eraser ", the technical scheme that is adopted.Big group of the cleaning device of blackboard or slabstone, group's technical elements that the sucking chalk powder device is arranged is a routine of great value invention, and it has solved the problem of blackboard eraser dry type dust suction effectively.But still have some deficits, its also be difficult to solve a large amount of chalk dusts that erased the board and produces, the problem that teachers and students are harmful to.
(3) summary of the invention:
The purpose of this utility model is to provide a kind of novel dust-proof blackboard eraser.Produce the problem that teachers and students are harmful to erased the board a large amount of chalk dusts of solution.
The purpose of this utility model is achieved in that the novel dust-proof blackboard eraser of this utility model.Mainly constitute by blackboard, dustproof hood, steady pin, rotating shaft, sponge, roller pin, slide rail.Its blackboard, sponge are by selecting for use on the market.Its dustproof hood is the cambered plate shape, uses plastic material, through moulding processing and manufacturing.Its steady pin, rotating shaft are cylindrical shapes, use the steel material, through forging processing and manufacturing.Its roller pin is a convex shape, uses the steel material, through forging processing and manufacturing.Its slide rail is the stock shape, uses the steel material, through forging processing and manufacturing.Slide rail adopts embedding grammar to be installed in the position, both sides of blackboard, constitutes slide rail shape slide construction, and function has been the track effect.Sponge adopts method of attaching to be installed in the outer table position of rotating shaft, constitutes the cylindrical shape overall structure, and function has been by the rotation effect of erasing the board.Steady pin adopts the insertion method to be installed in the position, both sides of slide rail, constitutes convex shape aciculiform structure, and function has been the position effect of fixed rotating shaft pin.Dustproof hood adopts pivoting method to be installed in the lower position of roller pin, constitutes lamellar shape overall structure, and function is to run up up to cover the effect of blackboard eraser retaining ash.Roller pin adopts embedding grammar to be installed in the position, both sides of slide rail, constitutes the convex shape slide construction, and function has been to drive the rotating shaft rotary action before sliding.Rotating shaft adopts embedding grammar to be installed in the position, both sides of roller pin, constitutes the cylindrical shape rotational structure, and function has been that the sponge that drives appearance is rotated the effect of erasing the board.So just realized the purpose of this utility model.
The advantage of utility model: big group of the cleaning device of the utility model and original blackboard or slabstone has group's technology of sucking chalk powder device to compare two advantages and improvement;
The first, because the utility model has designed the rotary type blackboard eraser in technical scheme, be difficult for ash discharge so erase the board;
The second, because the utility model has designed dustproof hood in technical scheme, so can prevent thoroughly that dust from overflowing; Produce the problem that teachers and students are harmful to thereby just can more effectively solve a large amount of chalk dusts of having erased the board.
(4) description of drawings:
Accompanying drawing provides structural representation of the present utility model:
Fig. 1 is the combining structure schematic diagram of novel dust-proof blackboard eraser of the present utility model;
The numbering of parts explanation in the schematic diagram: 1 blackboard, 2 dustproof hoods, 3 steady pins, 4 rotating shafts, 5 sponges, 6 roller pin, 7 slide rails
(5) specific embodiment:
In the optimum implementation of novel dust-proof blackboard eraser of the present utility model, its technical scheme is achieved in that and below in conjunction with accompanying drawing the utility model is described further:
Its static structure: see also Fig. 1: as shown in the figure, novel dust-proof blackboard eraser of the present utility model.Mainly constitute by blackboard 1, dustproof hood 2, steady pin 3, rotating shaft 4, sponge 5, roller pin 6, slide rail 7.Slide rail 7 adopts embedding grammar to be installed in the position, both sides of blackboard 1, constitutes slide rail shape slide construction, and function has been the track effect.Sponge 5 adopts method of attaching to be installed in the outer table position of rotating shaft 4, constitutes the cylindrical shape overall structure, and function has been by the rotation effect of erasing the board.Steady pin 3 adopts the insertion method to be installed in the position, both sides of slide rail 7, constitutes convex shape aciculiform structure, and function has been the position effect of fixed rotating shaft pin.Dustproof hood 2 adopts pivoting method to be installed in the lower position of roller pin 6, constitutes lamellar shape overall structure, and function is to run up up to cover the effect of blackboard eraser retaining ash.Roller pin 6 adopts embedding grammar to be installed in the position, both sides of slide rail 7, constitutes the convex shape slide construction, and function has been to drive the rotating shaft rotary action before sliding.Rotating shaft 4 adopts embedding grammar to be installed in the position, both sides of roller pin 6, constitutes the cylindrical shape rotational structure, and function has been that the sponge that drives appearance is rotated the effect of erasing the board.
Its dynamic structure: in force:
According to mechanics principle, its roller pin 6 acts on sponge 5 by rotating shaft 4, thereby finishes erasing the board of the task of rotating.According to mechanics principle, its roller pin 6 acts on sponge 5 by dustproof hood 2, thereby finishes the task of anti-gray.So just realized the purpose of this utility model.Produce the problem that teachers and students are harmful to thereby just can solve a large amount of chalk dusts of having erased the board.
Below by using method, the utility model is done more detailed description:
The novel dust-proof blackboard eraser of this utility model is work like this:
In use, when erasing the board, but dustproof hood 2 drags down just that anti-gray erases the board in the commentaries on classics.According to mechanics principle, its roller pin 6 acts on sponge 5 by rotating shaft 4, thereby finishes erasing the board of the task of rotating.According to mechanics principle, its roller pin 6 acts on sponge 5 by dustproof hood 2, thereby finishes the task of anti-gray.
Realize that preferred plan of the present utility model is is material with plastics or steel, utilize the basic equipment of blackboard eraser factory, take assembling to produce by batch, the demand with supply teaching circle so just can realize practical value of the present utility model and economic worth better.
Claims (3)
1. novel dust-proof blackboard eraser, it is to be made of blackboard (1), dustproof hood (2), steady pin (3), rotating shaft (4), sponge (5), roller pin (6), slide rail (7), slide rail (7) embeds the position, both sides that is installed in blackboard (1), sponge (5) is pasted the outer table position that is installed in rotating shaft (4), steady pin (3) inserts the position, both sides that is installed in slide rail (7), it is characterized in that rotating shaft (4) embeds the position, both sides that is installed in roller pin (6).
2. novel dust-proof blackboard eraser according to claim 1 is characterized in that roller pin (6) embeds the position, both sides that is installed in slide rail (7).
3. novel dust-proof blackboard eraser according to claim 1 is characterized in that dustproof hood (2) rotating shaft is installed in the lower position of roller pin (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200840 CN2523617Y (en) | 2002-01-16 | 2002-01-16 | Dustproof erasers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02200840 CN2523617Y (en) | 2002-01-16 | 2002-01-16 | Dustproof erasers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2523617Y true CN2523617Y (en) | 2002-12-04 |
Family
ID=33683911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02200840 Expired - Fee Related CN2523617Y (en) | 2002-01-16 | 2002-01-16 | Dustproof erasers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2523617Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175770A (en) * | 2014-08-18 | 2014-12-03 | 南京理工大学 | Dustproof automatic blackboard erasing device |
| CN110561955A (en) * | 2019-09-09 | 2019-12-13 | 淄博职业学院 | Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard |
-
2002
- 2002-01-16 CN CN 02200840 patent/CN2523617Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104175770A (en) * | 2014-08-18 | 2014-12-03 | 南京理工大学 | Dustproof automatic blackboard erasing device |
| CN104175770B (en) * | 2014-08-18 | 2016-03-23 | 南京理工大学 | Dust-proof automatic blackboard cleaning device |
| CN110561955A (en) * | 2019-09-09 | 2019-12-13 | 淄博职业学院 | Dry-wet dual-purpose flow guide dust removal device for English teaching blackboard |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C57 | Notification of unclear or unknown address | ||
| DD01 | Delivery of document by public notice |
Addressee: Han Xuejing Document name: Notification of Termination of Patent Right |
|
| 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 |