CN203957630U - A kind of blackboard - Google Patents
A kind of blackboard Download PDFInfo
- Publication number
- CN203957630U CN203957630U CN201420388540.7U CN201420388540U CN203957630U CN 203957630 U CN203957630 U CN 203957630U CN 201420388540 U CN201420388540 U CN 201420388540U CN 203957630 U CN203957630 U CN 203957630U
- Authority
- CN
- China
- Prior art keywords
- chute
- sheet frame
- storage tank
- pipeline
- release lever
- 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 educational aid field, is specifically related to a kind of blackboard, comprises plate face and sheet frame, and sheet frame top margin is provided with sparge pipe, and sparge pipe is provided with delivery port; Sheet frame base is provided with rhone, and sparge pipe is connected with storage tank by pipeline I, and rhone is connected with storage tank by pipeline II, is provided with filter screen in storage tank; The top of sheet frame is provided with chute I, and bottom is provided with chute II, and the two ends of carriage release lever embed respectively in chute I and chute II; Carriage release lever inside is provided with miniature hair-dryer, and a side of carriage release lever is provided with scraper plate, and opposite side is provided with blowing mouth.The utility model not only can greatly reduce the generation of chalk dust, and the drying up fast of accelerator card face, and realizes reusing of flush water, and the utility model advantages of simple is easy to use, extensively promotion and application.
Description
Technical field
The utility model relates to educational aid field, is specifically related to a kind of blackboard.
Background technology
Blackboard is one of apparatus the most frequently used in teaching, the blackboard of school adopts the mode of blackboard eraser to remove the chalk trace on blackboard substantially at present, the shortcoming that this blackboard exists is: blackboard by wiping after, a large amount of chalk dusts can drop on the person of blackboard wiping or other corners in classroom, severe contamination indoor instruction environment and student and teacher healthy.
Summary of the invention
For the problems referred to above, the utility model proposes a kind of blackboard, adopt the utility model, can greatly reduce the generation of chalk dust, extremely easy to use.
The utility model is mainly by the following technical solutions: a kind of blackboard, comprise plate face and sheet frame, and sheet frame top margin is provided with sparge pipe, and sparge pipe is provided with delivery port; Sheet frame base is provided with rhone, and sparge pipe is connected with storage tank by pipeline I, and rhone is connected with storage tank by pipeline II, is provided with filter screen in storage tank; The top of sheet frame is provided with chute I, and bottom is provided with chute II, and the two ends of carriage release lever embed respectively in chute I and chute II; Carriage release lever inside is provided with miniature hair-dryer, and a side of carriage release lever is provided with scraper plate, and opposite side is provided with blowing mouth.
Described pipeline I is provided with water pump.
During chalk trace on needing erasing blackboard, start water pump, water sprays by the delivery port on sparge pipe, and chalk trace is washed, and chalk dust, along with the water washing away flows into rhone, is then transferred back storage tank by pipeline II.Subsequently, carriage release lever slides from right to left, and first the scraper plate on carriage release lever scrapes water to plate face, and then the miniature hair-dryer of its inside starts, and wind is discharged from blowing mouth, can realize drying up fast of plate face, thereby does not affect the use of lower class.In storage tank, be provided with filter screen, when being mixed with the flush water of chalk dust and entering storage tank, chalk dust is tackled by filter screen, and flush water flows into storage tank bottom by filter screen, can again as clean flush water, be used for washing away plate face.
Further, in order to guarantee that chalk dust can be by thorough filtering, described filter screen is at least one deck.
In addition, described pipeline I and pipeline II are provided with switch, can person easy to use by switch, the discharge by pipeline be controlled.
In sum, the utility model not only can greatly reduce the generation of chalk dust, and the drying up fast of accelerator card face, and realizes reusing of flush water, and the utility model advantages of simple is easy to use, extensively promotion and application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
In figure: 1, plate face, 2, sheet frame, 3, sparge pipe, 4, delivery port, 5, rhone, 6, pipeline I, 7, storage tank, 8, pipeline II, 9, filter screen, 10, chute I, 11, chute II, 12, carriage release lever, 13, miniature hair-dryer, 14, scraper plate, 15, blowing mouth, 16, water pump, 17, switch.
The specific embodiment
A blackboard, comprises plate face 1 and sheet frame 2, and sheet frame 2 top margins are provided with sparge pipe 3, and sparge pipe 3 is provided with delivery port 4; Sheet frame 2 bases are provided with rhone 5, and sparge pipe 3 is connected with storage tank 7 by pipeline I6, and rhone 5 is connected with storage tank 7 by pipeline II8, is provided with filter screen 9 in storage tank 7; The top of sheet frame 2 is provided with chute I10, and bottom is provided with chute II11, and the two ends of carriage release lever 12 embed respectively in chute I10 and chute II11; Carriage release lever 12 inside are provided with miniature hair-dryer 13, and a side of carriage release lever 12 is provided with scraper plate 14, and opposite side is provided with blowing mouth 15.
Described pipeline I6 is provided with water pump 16.
During chalk trace on needing erasing blackboard, start water pump 16, water is by delivery port 4 ejections on sparge pipe 3, and chalk trace is washed, and chalk dust, along with the water washing away flows into rhone 5, is then transferred back storage tank 7 by pipeline II8.Subsequently, carriage release lever 12 slides from right to left, and first the scraper plate 14 on carriage release lever 12 scrapes water to plate face 1, and then the miniature hair-dryer 13 of its inside starts, and wind is discharged from blowing mouth 15, can realize drying up fast of plate face 1, thereby not affect the use of lower class.In storage tank 7, be provided with filter screen 9, when being mixed with the flush water of chalk dust and entering storage tank 7, chalk dust is tackled by filter screen 9, and flush water flows into storage tank 7 bottoms by filter screen 9, can again as clean flush water, be used for washing away plate face 1.
Further, in order to guarantee that chalk dust can be by thorough filtering, described filter screen 9 is at least one deck.
In addition, described pipeline I6 and pipeline II8 are provided with switch 17, can person easy to use by 17 pairs, switch the discharge by pipeline control.
Claims (4)
1. a blackboard, comprises plate face (1) and sheet frame (2), it is characterized in that: sheet frame (2) top margin is provided with sparge pipe (3), and sparge pipe (3) is provided with delivery port (4); Sheet frame (2) base is provided with rhone (5), sparge pipe (3) is connected with storage tank (7) by pipeline I (6), rhone (5) is connected with storage tank (7) by pipeline II (8), is provided with filter screen (9) in storage tank (7); The top of sheet frame (2) is provided with chute I (10), and bottom is provided with chute II (11), and the two ends of carriage release lever (12) embed respectively in chute I (10) and chute II (11); Carriage release lever (12) inside is provided with miniature hair-dryer (13), and a side of carriage release lever (12) is provided with scraper plate (14), and opposite side is provided with blowing mouth (15).
2. blackboard according to claim 1, is characterized in that: described pipeline I (6) is provided with water pump (16).
3. blackboard according to claim 1, is characterized in that: described filter screen (9) is at least one deck.
4. blackboard according to claim 1, is characterized in that: described pipeline I (6) and pipeline II (11) are provided with switch (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388540.7U CN203957630U (en) | 2014-07-14 | 2014-07-14 | A kind of blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420388540.7U CN203957630U (en) | 2014-07-14 | 2014-07-14 | A kind of blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203957630U true CN203957630U (en) | 2014-11-26 |
Family
ID=51918260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420388540.7U Expired - Fee Related CN203957630U (en) | 2014-07-14 | 2014-07-14 | A kind of blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203957630U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541757A (en) * | 2016-10-16 | 2017-03-29 | 林姝霓 | A kind of teaching of senior high school blackboard automatic flushing device |
| CN107458126A (en) * | 2017-07-17 | 2017-12-12 | 徐星星 | A kind of blackboard for possessing automatic scrubbing function |
| CN108790516A (en) * | 2018-06-15 | 2018-11-13 | 赵书朗 | A kind of blank wiping arrangement |
| CN109263378A (en) * | 2018-09-07 | 2019-01-25 | 嘉善县陶庄小学 | A kind of automatic flushing device for classroom blackboard |
| CN112123975A (en) * | 2020-10-20 | 2020-12-25 | 宿迁学院 | Electrician electronic class teaching device |
| CN112158011A (en) * | 2020-11-10 | 2021-01-01 | 陈颂康 | Blackboard self-cleaning device for teaching |
| CN113212037A (en) * | 2021-04-27 | 2021-08-06 | 陈梓佳 | Clean blackboard |
-
2014
- 2014-07-14 CN CN201420388540.7U patent/CN203957630U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106541757A (en) * | 2016-10-16 | 2017-03-29 | 林姝霓 | A kind of teaching of senior high school blackboard automatic flushing device |
| CN106541757B (en) * | 2016-10-16 | 2017-12-26 | 新昌雪莲花轴承有限公司 | A kind of teaching of senior high school blackboard automatic flushing device |
| CN107458126A (en) * | 2017-07-17 | 2017-12-12 | 徐星星 | A kind of blackboard for possessing automatic scrubbing function |
| CN108790516A (en) * | 2018-06-15 | 2018-11-13 | 赵书朗 | A kind of blank wiping arrangement |
| CN109263378A (en) * | 2018-09-07 | 2019-01-25 | 嘉善县陶庄小学 | A kind of automatic flushing device for classroom blackboard |
| CN112123975A (en) * | 2020-10-20 | 2020-12-25 | 宿迁学院 | Electrician electronic class teaching device |
| CN112158011A (en) * | 2020-11-10 | 2021-01-01 | 陈颂康 | Blackboard self-cleaning device for teaching |
| CN113212037A (en) * | 2021-04-27 | 2021-08-06 | 陈梓佳 | Clean blackboard |
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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: 20141126 Termination date: 20150714 |
|
| EXPY | Termination of patent right or utility model |