CN203995346U - Automatic blackboard eraser - Google Patents
Automatic blackboard eraser Download PDFInfo
- Publication number
- CN203995346U CN203995346U CN201420354702.5U CN201420354702U CN203995346U CN 203995346 U CN203995346 U CN 203995346U CN 201420354702 U CN201420354702 U CN 201420354702U CN 203995346 U CN203995346 U CN 203995346U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- bearing
- blackboard body
- brush
- clean
- 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
Automatic blackboard eraser, comprise blackboard body, described blackboard body upper end is provided with clean hurdle, and described clean hurdle contains at least four taps and time switch, and left and right angle, described blackboard body lower end is equipped with a clutch shaft bearing, on described clutch shaft bearing, be equipped with blackboard brush, described blackboard brush is provided with bristle, and the described blackboard body upper right corner is provided with the second bearing, and described the second bearing is provided with warm-air drier, described blackboard body one side is provided with drive unit, and lower edge is provided with receiving slit.The utility model can automatically complete wipes the work of examination blackboard, very easy to use, good dedusting effect, and the scope of application is wider, therefore has good market prospects.
Description
Technical field
The utility model relates to cultural goods field, is specifically related to a kind of automatic blackboard eraser.
Background technology
Along with social development, increasing convenience product is created out, makes the people's life, learning quality improve a class.Then, our health becomes the topic of popular extensive concern.Blackboard eraser is one of teaching aid that in teaching process, frequency of utilization is the highest, but due to not prompt enough to the cleaning of blackboard eraser or thorough not, often cause blackboard eraser can accumulate too much chalk dust, more and more unclean while making teacher sassafras blackboard, greatly affect efficiency of teaching, reducing quality of instruction, is a urgent problem at present.
Show according to Center for Disease Control of China data, due to the carcinogen containing in dust, 3,800 ten thousand full-time teacher's cancer morbidities of China have accounted for 20% of national cancer total incidence, are 8 times of ordinary group.And teachers in primary and middle schools' respiratory system Prevalence Rate of Chronic Diseases, as chronic pharyngitis and vocal cords disease, wherein the male sex is 58.53%, women is 61.06%, and all has with the length of teaching increasing the trend raising.Wherein the more than 5 years illness rate of teacher's pharyngitis is almost 100%, rhinitis illness rate is 39%, asthma illness rate is 43%, bronchitic illness rate is 8%, the illness rate of pneumoconiosis is 11.76%; And teacher at school time, erases the board and can lose time, see at every turn teacher write writing on the blackboard a full plate, the wiping of then taking time again, sensation teacher can be more tired.
Utility model content
the technical problem solving:for the deficiencies in the prior art, the purpose of this utility model is to provide a kind of automatic blackboard eraser, both can Automatic erasing blackboard, and also can reduce dust and disorderly fly, contribute to student and teacher's health.
technical scheme:for solving prior art problem, the technical scheme that the utility model is taked is:
Automatic blackboard eraser, comprise blackboard body, described blackboard body upper end is provided with clean hurdle, and described clean hurdle contains at least four taps and time switch, and left and right angle, described blackboard body lower end is equipped with a clutch shaft bearing, on described clutch shaft bearing, be equipped with blackboard brush, described blackboard brush is provided with bristle, and the described blackboard body upper right corner is provided with the second bearing, and described the second bearing is provided with warm-air drier, described blackboard body one side is provided with drive unit, and lower edge is provided with receiving slit.
As preferably, bristle lengths is 5-8cm.
As preferably, open once for 45-50 minute at time switch interval, every task 1-2 minute.
As preferably, the width of receiving slit is 5-10cm.
As preferably, blackboard brush is telescopic.
beneficial effect
The utility model can automatically complete wipes the work of examination blackboard, very easy to use, good dedusting effect, and the scope of application is wider, therefore has good market prospects.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model, wherein, and 1, blackboard body, 2, clutch shaft bearing, 3, blackboard brush, 4, clean hurdle, 5, warm-air drier, 6, the second bearing, 7, tap, 8, bristle, 9, time switch, 10, receiving slit, 11, drive unit;
Fig. 2 is the structural representation of the utility model blackboard brush.
Detailed description of the invention
The following examples can make those skilled in the art comprehend the utility model, but limit never in any form the utility model.
Embodiment 1
Shown in Fig. 1, automatic blackboard eraser, comprise rectangle blackboard body 1, be separated with clean hurdle 4 in blackboard material body 1 upper end, 4 interior ten, described clean hurdle tap 7 and time switch 9, time switch 9 every work in 45 minutes once, working time is 1 minute, blackboard body 1 left side, lower end, right corner is equipped with a clutch shaft bearing 2, on clutch shaft bearing 2, be fixed with blackboard brush 3, blackboard brush 3 is provided with the bristle 8 of 5cm, blackboard body 1 upper right corner is provided with the second bearing 6, on the second bearing 6, be fixed with warm-air drier 5, blackboard body 1 right side is provided with drive unit 11, lower edge is provided with the receiving slit 10 of 5cm.
After End-of-Course, time switch 9 is opened, and water can flow out and automatically be sprinkled upon blackboard body 1 from tap 7, open again drive unit 11 and drive blackboard brush 3 blackboard wipings, after completion, open warm-air drier 5 and dry up blackboard body 1, not only ensure that blackboard is clean, teachers and students are also provided a good environment.
Embodiment 2
Automatic blackboard eraser, comprise rectangle blackboard body 1, be separated with clean hurdle 4 in blackboard material body 1 upper end, interior 20 taps 7 in described clean hurdle 4 and time switch 9, time switch 9 every work in 50 minutes once, working time is 2 minutes, blackboard body 1 left side, lower end, right corner is equipped with a clutch shaft bearing 2, on clutch shaft bearing 2, be fixed with blackboard brush 3, blackboard brush 3 is provided with the bristle 8 of 8cm, , bristle 8 can regularly replace, blackboard body 1 upper right corner is provided with the second bearing 6, on the second bearing 6, be fixed with warm-air drier 5, blackboard body 1 right side is provided with drive unit 11, lower edge is provided with the receiving slit 10 of 10cm.
The above is only preferred embodiment of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (2)
1. automatic blackboard eraser, comprise blackboard body (1), it is characterized in that: described blackboard body (1) upper end is provided with clean hurdle (4), described clean hurdle (4) contains at least four taps (7) and time switch (9), described blackboard body (1) left side, lower end, right corner is equipped with a clutch shaft bearing (2), on described clutch shaft bearing (2), be equipped with blackboard brush (3), described blackboard brush (3) is provided with bristle (8), described blackboard body (1) upper right corner is provided with the second bearing (6), described the second bearing (6) is provided with warm-air drier (5), described blackboard body (1) one side is provided with drive unit (11), lower edge is provided with receiving slit (10).
2. automatic blackboard eraser according to claim 1, is characterized in that: described bristle (8) length is 5-8cm.
3. automatic blackboard eraser according to claim 1, is characterized in that: the width of described receiving slit (10) is 5-10cm.
4. automatic blackboard eraser according to claim 1, is characterized in that: described blackboard brush (3) is for telescopic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354702.5U CN203995346U (en) | 2014-06-30 | 2014-06-30 | Automatic blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420354702.5U CN203995346U (en) | 2014-06-30 | 2014-06-30 | Automatic blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203995346U true CN203995346U (en) | 2014-12-10 |
Family
ID=52035401
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420354702.5U Expired - Fee Related CN203995346U (en) | 2014-06-30 | 2014-06-30 | Automatic blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203995346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085232A (en) * | 2014-06-30 | 2014-10-08 | 南京信息工程大学 | Automatic blackboard eraser |
-
2014
- 2014-06-30 CN CN201420354702.5U patent/CN203995346U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085232A (en) * | 2014-06-30 | 2014-10-08 | 南京信息工程大学 | Automatic blackboard eraser |
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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: 20141210 Termination date: 20160630 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |