CN201109301Y - Dust-absorbing blackboard - Google Patents
Dust-absorbing blackboard Download PDFInfo
- Publication number
- CN201109301Y CN201109301Y CNU2007200128142U CN200720012814U CN201109301Y CN 201109301 Y CN201109301 Y CN 201109301Y CN U2007200128142 U CNU2007200128142 U CN U2007200128142U CN 200720012814 U CN200720012814 U CN 200720012814U CN 201109301 Y CN201109301 Y CN 201109301Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- dust
- ash
- plate face
- chalk
- 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
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to an ash catching blackboard, which comprises a blackboard panel and a cleaning bar, wherein, the surface of the cleaning bar is wound with cleaning cotton; the panel is respectively provided with a slideway near the upper end and the lower end of the cleaning bar, the two slideways the parallel, the two ends of the cleaning bar are respectively of a rectangular structure, and the two ends are inserted into the slideways; a hollow box body is arranged just below the panel, and an ash catching device is arranged in the box body. When in use, a user can hold the cleaning bar to left and right slide, handwritings of chalk are wiped through the cleaning cotton the power supply of the ash catching device is switched on, and the chalk ash can be absorbed through the ash catching device, thereby avoiding the flying of the chalk ash. The ash catching blackboard has the advantages of simple structure, beautiful appearance, convenience, practicability, sanitation, health, etc.
Description
Technical field
The utility model relates to a kind of teaching aid, especially a kind of new blackboard with absorption dust.
Background technology
As everyone knows, blackboard is one of most important instrument in the teaching.For the better learning condition is provided to the student, many designers have invented multiple blackboard, for example: illumination blackboard, reflection prevention blackboard or the like, still, the problem that blackboard can't absorb chalk dust can't solve all the time, and the healthy of teachers and students in serious threat still.In order to address the above problem, it is very necessary that we design a kind of new blackboard that possesses dust-absorbing function.
Summary of the invention
The purpose of this utility model provides a kind of dust-absorbing blackboard, is used to solve the problem that normal blackboard can't absorb dust.
For achieving the above object, the utility model dust-absorbing blackboard comprises plate face and channel washer, and cleaning cotton is twined on the channel washer surface; The place offers parallel slideway respectively at the close two ends up and down of plate face, and the channel washer two ends are respectively structure of right angle tyoe and insert in the slideway, and guarantees that cleaning cotton contacts with the plate face; Under the plate face hollow box body is installed, dust exhaust apparatus is installed in casing, tank surface is dug air suction opening.
After adopting said structure, the user holds channel washer and horizontally slips, the chalk writing of the cleaning cotton blackboard wiping plate face by the channel washer surface; In wiping process, have a large amount of chalk dusts and drop or fly upward, at this moment, connect the power supply of dust exhaust apparatus, by dust exhaust apparatus chalk dust is absorbed, avoid chalk dust disorderly to fly, effectively keep environmental sanitation.
The utility model has the advantages that: simple in structure, convenient and practical, good looking appearance, safety and sanitation, can absorb chalk dust, the teaching environment of health is provided.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the utility model dust-absorbing blackboard.
The specific embodiment
As shown in Figure 1, the utility model dust-absorbing blackboard comprises plate face 1 and channel washer 2, and cleaning cotton 3 is twined on channel washer 2 surfaces; The place offers parallel slideway 4 respectively at plate face 1 close two ends up and down, and channel washer 2 two ends are respectively structure of right angle tyoe and insert in the slideway 4, and guarantee that cleaning cotton 3 contacts with plate face 1; Hollow box body 5 is installed under plate face 1, dust exhaust apparatus 6 is installed in casing 5, air suction opening 7 is dug on casing 5 surfaces.Wherein, the dust exhaust apparatus of installing in hollow box body 56 is common induced-draught fan, and the user can regularly clear up just and can use for a long time induced-draught fan.
Claims (1)
1. a dust-absorbing blackboard comprises plate face (1) and channel washer (2), it is characterized in that: cleaning cotton (3) is twined on channel washer (2) surface; The place offers parallel slideway (4) respectively at the close two ends up and down of plate face (1), and channel washer (2) two ends are respectively structure of right angle tyoe and insert in the slideway (4), and guarantees that cleaning cotton (3) contacts with plate face (1); Hollow box body (5) is installed under plate face (1), dust exhaust apparatus (6) is installed in casing (5), air suction opening (7) is dug on casing (5) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200128142U CN201109301Y (en) | 2007-06-21 | 2007-06-21 | Dust-absorbing blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200128142U CN201109301Y (en) | 2007-06-21 | 2007-06-21 | Dust-absorbing blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201109301Y true CN201109301Y (en) | 2008-09-03 |
Family
ID=39893823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200128142U Expired - Fee Related CN201109301Y (en) | 2007-06-21 | 2007-06-21 | Dust-absorbing blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201109301Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109130611A (en) * | 2018-09-13 | 2019-01-04 | 安徽倍思特教育科技有限公司 | A kind of primary school education teaching auxiliary device and its operating process |
| CN109228740A (en) * | 2017-07-11 | 2019-01-18 | 河北艾业科技发展有限公司 | A kind of blackboard for preventing dust from splashing |
| CN111845157A (en) * | 2020-07-27 | 2020-10-30 | 韶关学院 | A new type of teaching blackboard |
| CN112497972A (en) * | 2020-12-07 | 2021-03-16 | 安徽文香信息技术有限公司 | Portable wisdom blackboard dust collection device and system thereof |
-
2007
- 2007-06-21 CN CNU2007200128142U patent/CN201109301Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109228740A (en) * | 2017-07-11 | 2019-01-18 | 河北艾业科技发展有限公司 | A kind of blackboard for preventing dust from splashing |
| CN109130611A (en) * | 2018-09-13 | 2019-01-04 | 安徽倍思特教育科技有限公司 | A kind of primary school education teaching auxiliary device and its operating process |
| CN109130611B (en) * | 2018-09-13 | 2021-03-19 | 安徽倍思特教育科技有限公司 | Primary school education and teaching auxiliary device and operation flow thereof |
| CN111845157A (en) * | 2020-07-27 | 2020-10-30 | 韶关学院 | A new type of teaching blackboard |
| CN112497972A (en) * | 2020-12-07 | 2021-03-16 | 安徽文香信息技术有限公司 | Portable wisdom blackboard dust collection device and system thereof |
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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: 20080903 Termination date: 20110621 |