CN202225625U - Cleaning blackboard - Google Patents
Cleaning blackboard Download PDFInfo
- Publication number
- CN202225625U CN202225625U CN2011203294564U CN201120329456U CN202225625U CN 202225625 U CN202225625 U CN 202225625U CN 2011203294564 U CN2011203294564 U CN 2011203294564U CN 201120329456 U CN201120329456 U CN 201120329456U CN 202225625 U CN202225625 U CN 202225625U
- Authority
- CN
- China
- Prior art keywords
- chalk
- blackboard
- dust
- ledge
- dust collector
- 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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Abstract
The utility model discloses a cleaning blackboard, which comprises a blackboard surface, a chalk ledge and a dust collector, wherein the left, right and upper ends of the blackboard surface are provided with pipelines; the pipelines are mutually communicated and are provided with small holes; the lower ends of the pipelines at left and right ends are sealed; the dust collector comprises a dust collector suction pipe and is positioned below the chalk ledge; the pipelines are connected with the dust collector through the dust collector suction pipe; and one end of the chalk ledge is provided with a detachable chalk dust receiving groove. The left, right and upper ends of the blackboard surface are provided with the pipelines, a dust collector switch is turned on in the process of cleaning the blackboard, namely scattered chalk dust can be reduced, and the chalk dust dropping in the chalk ledge can be swept into the chalk dust receiving groove and is periodically cleaned.
Description
Technical field
The utility model relates to a kind of teaching equipment, is specifically related to a kind of cleaning blackboard.
Background technology
The blackboard that teaching is used can produce a large amount of dust when erasing the board, dust flies upward everywhere, can student and the teacher's who throughout the year imparts knowledge to students health be exerted an influence.Therefore, make a kind of distribution that can reduce chalk dust, the cleaning blackboard that makes blackboard be convenient to clear up has Practical significance.
The utility model content
The purpose of the utility model is to provide a kind of cleaning blackboard.
The technical scheme of the utility model is: a kind of cleaning blackboard; Comprise blackboard panel, ledge for chalk on blackboard and dust catcher; Left and right and the upper end of said blackboard panel is provided with pipeline, and UNICOM and pipeline are provided with aperture, the sealing of said left and right two ends lower end of duct each other between the said pipeline; Said dust catcher comprises dust collector suction pipe, and said dust catcher is positioned at said ledge for chalk on blackboard below; Said pipeline is connected through said dust collector suction pipe with said dust catcher; Said ledge for chalk on blackboard one end is provided with detachable chalk dust access slot.
More excellent, the cylinder that said detachable chalk dust access slot is an open upper end, the outside, cylinder upper end is a helicitic texture; Said ledge for chalk on blackboard one side is provided with and the corresponding circular hole of said detachable chalk dust access slot size, and the screw thread of said circular hole inboard is corresponding with the screw thread in the said detachable chalk dust access slot outside.
The beneficial effect of the utility model does, cleaning blackboard of the present invention is opened dust catcher when erasing the board, and can chalk dust be sucked that blackboard is left and right, the pipeline of upper end, can not cause kicking up of powder everywhere.The a small amount of chalk that falls in the ledge for chalk on blackboard can sweep the chalk dust access slot, regularly unloads and outwells, and cleaning is convenient.
Description of drawings
Fig. 1: cleaning blackboard sketch map (1. blackboard panel 2. ledges for chalk on blackboard 3. dust catchers 11. pipelines 111. apertures 21. detachable chalk dust access slot 31. dust collector suction pipes)
Fig. 2: detachable chalk dust access slot rip cutting figure (1. ledge for chalk on blackboard 11. detachable chalk dust access slot 12. circular holes)
The specific embodiment
Cleaning blackboard as shown in Figure 1 comprises blackboard panel 1, ledge for chalk on blackboard 2 and dust catcher 3, and the left and right and upper end of blackboard panel 1 is provided with pipeline 11, and UNICOM and pipeline 11 are provided with aperture 111, left and right two ends pipeline 11 lower end closed each other between the pipeline 11; Dust catcher 3 comprises dust collector suction pipe 31, and dust catcher 3 is positioned at ledge for chalk on blackboard 2 belows; Pipeline 11 is connected through dust collector suction pipe 31 with dust catcher 3; Ledge for chalk on blackboard 2 one ends are provided with detachable chalk dust access slot 21.
Detachable chalk dust access slot rip cutting figure as shown in Figure 2, this detachable chalk dust access slot 11 is the cylinder of open upper end, the outside, cylinder upper end is a helicitic texture; Ledge for chalk on blackboard 1 one sides are provided with and the corresponding circular hole 12 of detachable chalk dust access slot 11 sizes, and the screw thread of circular hole 12 inboards is corresponding with the screw thread in chalk dust access slot 11 outsides.
Claims (2)
1. a cleaning blackboard comprises blackboard panel, ledge for chalk on blackboard and dust catcher, it is characterized in that the left and right and upper end of said blackboard panel is provided with pipeline, and UNICOM and pipeline are provided with aperture, the sealing of said left and right two ends lower end of duct each other between the said pipeline; Said dust catcher comprises dust collector suction pipe, and said dust catcher is positioned at said ledge for chalk on blackboard below; Said pipeline is connected through said dust collector suction pipe with said dust catcher; Said ledge for chalk on blackboard one end is provided with detachable chalk dust access slot.
2. cleaning blackboard as claimed in claim 1 is characterized in that, the cylinder that said detachable chalk dust access slot is an open upper end, and the outside, cylinder upper end is a helicitic texture; Said ledge for chalk on blackboard one side is provided with and the corresponding circular hole of said detachable chalk dust access slot size, and the screw thread of said circular hole inboard is corresponding with the screw thread in the said chalk dust access slot outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203294564U CN202225625U (en) | 2011-09-05 | 2011-09-05 | Cleaning blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203294564U CN202225625U (en) | 2011-09-05 | 2011-09-05 | Cleaning blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202225625U true CN202225625U (en) | 2012-05-23 |
Family
ID=46076229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203294564U Expired - Fee Related CN202225625U (en) | 2011-09-05 | 2011-09-05 | Cleaning blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202225625U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114018A (en) * | 2016-07-18 | 2016-11-16 | 万象设计江苏有限责任公司 | A kind of dust-absorbing blackboard |
-
2011
- 2011-09-05 CN CN2011203294564U patent/CN202225625U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106114018A (en) * | 2016-07-18 | 2016-11-16 | 万象设计江苏有限责任公司 | A kind of dust-absorbing blackboard |
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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: 20120523 Termination date: 20120905 |