CN201552929U - Multifunctional blackboard eraser - Google Patents
Multifunctional blackboard eraser Download PDFInfo
- Publication number
- CN201552929U CN201552929U CN2009202872235U CN200920287223U CN201552929U CN 201552929 U CN201552929 U CN 201552929U CN 2009202872235 U CN2009202872235 U CN 2009202872235U CN 200920287223 U CN200920287223 U CN 200920287223U CN 201552929 U CN201552929 U CN 201552929U
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- shell
- blackboard eraser
- dust
- utility
- model
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- Expired - Fee Related
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Abstract
A multifunctional blackboard eraser relates to improvement of structure of a teaching aid, namely, a blackboard eraser. The utility model provides the multifunctional blackboard eraser which can absorb dust, can be elongated, and has strong cleaning capability. The multifunctional blackboard eraser comprises a shell, and the shell is connected with a felt; and the structural key points are as follows: the side surface of the shell is provided with a telescopic rod and an adhesive tape, the internal middle part of the shell is provided with a dust collector, the shell above the dust collector is provided with a drain outlet, and the side surface of the shell is provided with an air port.
Description
Technical field:
The utility model relates to a kind of improvement of teaching aid wiping blackboard structure.
Background technology:
The blackboard eraser of school's use at present is normal style: inlay a body brush under the rectangle plank, when erasing the board, chalk dust flies upward everywhere, front-seat student must leave the classroom after class, a slice dust on the desk when returning, promptly polluted environment, the health to Faculty and Students produces disadvantageous influence again; Can also open a window during summer and ventilate, but to situation influence in winter just bigger, and what change blackboard eraser never has for many years; Though used dust-free chalk in recent years, erase the board or dust is arranged, just the dust scope is little a bit, but still is influential for classmate who erases the board and teacher.And nowadays people require dressing also improving, and it is dust all over the body that teacher's one class gets off.And in order to allow students better comprehend class offerings, teacher's writing on the blackboard amount is come bigger more; To such an extent as to the student that stature is little can't clip blackboard top, and wiping blackboard structure is single, can't satisfy the needs of teaching nowadays.
The utility model content:
The utility model is exactly at the problems referred to above, and a kind of have dust suction, extending, multifunctional blackboard eraser that cleaning capacity is strong are provided.
For realizing above-mentioned purpose of the present utility model, the utility model adopts following technical scheme, the utility model comprises shell, shell is connected with felt, its structural feature is that the side of shell is provided with expansion link and adhesive tape, be provided with dust catcher in the middle of in the shell, on the shell of dust catcher top sewage draining exit arranged, the shell side is provided with gas port.
The beneficial effects of the utility model:
1, multi-functional:
Because the side of multifunctional blackboard eraser of the present utility model is provided with extension rod, use extension bar can make things convenient for the problem of classmate's blackboard wiping eminence inconvenience of short and small stature, the opposite side adhesive tape can be used for removing more completely the vestige on the blackboard when water erases the board.
2, dust-absorbing function:
Owing to be provided with dust catcher in the shell of multifunctional blackboard eraser of the present utility model, the dust that rotates around making by switch control shell internal fan when using blackboard eraser sucks dust in the housing by the air entry around the shell as much as possible.
3, cleaning capacity is strong:
Because the side of multifunctional blackboard eraser of the present utility model is provided with adhesive tape, after water nuzzled up blackboard, untimely effective cleaning will make the marking that stays a lot of whites on the blackboard, caused to such an extent that heavily wipe; But be similar to the function of window-cleaning device with adhesive tape, can clean off a blackboard very easily.
4, simple in structure:
The used member of the utility model is less, and is simple in structure, is easy to make, and is easy to popularize.
Description of drawings:
Accompanying drawing is an overall structure schematic diagram of the present utility model.
1 shell, 2 sewage draining exits, 3 switches, 4 expansion links, 5 felts, 6 dust catchers, 7 adhesive tape, 8 gas ports.
The specific embodiment:
The utility model comprises shell 1, and shell 1 is connected with felt 5, and the side of shell 1 is provided with expansion link 4 and adhesive tape 7, and the centre is provided with dust catcher 6 in the shell 1, on the shell 1 of dust catcher 6 tops sewage draining exit 2 is arranged, and the shell side is provided with gas port 8.
Shell 1 side is provided with expansion link 4, is divided into two-section; Expansion link 4 is fixing by screw and shell 1, is 30cm the best according to blackboard height total length; Every section retractility is 15cm.
There is gas port 8 side of shell 1, and gas port 8 diameters are 2mm.
There is switch 3 lower left on shell 1 surface; During use switch 3 is pressed, started dust catcher 6.
The adhesive tape 7 that shell 1 side is provided with projection is fixed in the groove of shell 1 side.
The loop pile rug of adding 5 is arranged at shell 1 bottom, generally prolongs 0.7mm the best, and absorption dust ability is the strongest.
Be provided with helical blade 6 in the shell 1, in use, stir the built-in helical blade dust of dust suction driving switch 3 startups and be not involved in the shell 1, the general employing of helical blade is moulded firmly, diameter 30mm.
Below in conjunction with a description of drawings course of action of the present utility model:
When erasing the board, elder generation's Push switch 3, make dust catcher blade 6 startups in the shell, when erasing the board, the chalk dust that flies is sucked in the shell 1 by the gas port 8 of side around the shell 1, when clipping the blackboard top, side expansion link 4 can be pulled out, when having wiped blackboard, the chalk dust of collecting in the shell 1 be outwelled; When wanting thorough water to erase the board, first water is used the adhesive tape 7 of shell 1 side then with blackboard eraser one time, scrapes one time in order to avoid leave a trace.
Be with being appreciated that, more than about specific descriptions of the present utility model, only be used to the utility model is described and be not to be subject to the described technical scheme of the utility model embodiment, those of ordinary skill in the art is to be understood that, still can make amendment or be equal to replacement the utility model, to reach identical technique effect; Use needs as long as satisfy, all within protection domain of the present utility model.
Claims (2)
1. multifunctional blackboard eraser, comprise shell (1), shell (1) is connected with felt (5), the side that it is characterized in that shell (1) is provided with expansion link (4) and adhesive tape (7), be provided with dust catcher (6) in the middle of in the shell (1), on the shell (1) of dust catcher (6) top sewage draining exit (2) is arranged, the shell side is provided with gas port (8).
2. multifunctional blackboard eraser according to claim 1 is characterized in that shell (1) side is provided with expansion link (4), is divided into two-section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202872235U CN201552929U (en) | 2009-12-08 | 2009-12-08 | Multifunctional blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202872235U CN201552929U (en) | 2009-12-08 | 2009-12-08 | Multifunctional blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201552929U true CN201552929U (en) | 2010-08-18 |
Family
ID=42612605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202872235U Expired - Fee Related CN201552929U (en) | 2009-12-08 | 2009-12-08 | Multifunctional blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201552929U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904891A (en) * | 2016-06-08 | 2016-08-31 | 绵阳晓迪圣点创意科技有限公司 | Mechanical contractile dust collecting erasing machine |
| CN107139620A (en) * | 2017-07-04 | 2017-09-08 | 无锡市南长街小学 | A kind of telescopic sanitary type blackboard eraser |
-
2009
- 2009-12-08 CN CN2009202872235U patent/CN201552929U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904891A (en) * | 2016-06-08 | 2016-08-31 | 绵阳晓迪圣点创意科技有限公司 | Mechanical contractile dust collecting erasing machine |
| CN107139620A (en) * | 2017-07-04 | 2017-09-08 | 无锡市南长街小学 | A kind of telescopic sanitary type blackboard eraser |
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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: 20100818 Termination date: 20101208 |