CN204894906U - Inhale grey blackboard eraser - Google Patents
Inhale grey blackboard eraser Download PDFInfo
- Publication number
- CN204894906U CN204894906U CN201520464714.8U CN201520464714U CN204894906U CN 204894906 U CN204894906 U CN 204894906U CN 201520464714 U CN201520464714 U CN 201520464714U CN 204894906 U CN204894906 U CN 204894906U
- Authority
- CN
- China
- Prior art keywords
- blackboard eraser
- wiping board
- grey
- expansion link
- ash
- 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
Landscapes
- Drawing Aids And Blackboards (AREA)
- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The utility model discloses an inhale grey blackboard eraser, this blackboard eraser is including wiping the board, set up in this brush hair of wiping the board bottom surface, set up in this wipe the grey device of inhaling of intralamellar part and with this telescopic link of wiping board surface rotatable coupling, should wipe the board is hollow structure, and should wipe the board bottom surface is equipped with and inhales grey hole, should inhale grey device sets up and wipes the inboard and inhale grey hole site with this and put relatively in this, should inhale grey device including collecting grey funnel and setting up the exhaust fan in the grey funnel of this collection, the grey funnel of this collection includes heavy -calibre end and small -bore end, this heavy -calibre is held and should be inhaled grey hole and sets up relatively, this small -bore end and this telescopic link intercommunication, this telescopic link is hollow structure, and be equipped with the pipe in this telescopic link, the first end of this pipe and this small -bore end fixed connection switch on, this telescopic link tip is equipped with an album grey chamber, this pipe second end is connected and is switched on with this collection grey chamber. Use the utility model discloses a when the blackboard is cleaned to the blackboard eraser, can prevent effectively that the dust from flying upward, reduce the harm of dust to user's health.
Description
Technical field
The utility model relates to realia field, more particularly, relates to the greyish black blackboard eraser of a kind of suction.
Background technology
Blackboard eraser, as a kind of conventional teaching aid, plays an important role in teaching process.But existing blackboard eraser is easy to when blackboard wiping cause dust to fly upward, and works the mischief to the healthy of Faculty and Students.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of and inhales greyish black blackboard eraser.
The utility model solves the technical scheme that its technical problem adopts: structure is a kind of inhales greyish black blackboard eraser, this blackboard eraser comprises wiping board, be arranged at the bristle of this wiping board bottom surface, the suction apparatus for ash being arranged at this wiping board inside and the expansion link be rotatably connected with this wiping board surface, this wiping board is hollow structure, and this wiping board bottom surface is provided with ash absorbing hole, it is interior and relative with this ash absorbing hole position that this suction apparatus for ash is arranged at this wiping board, this suction apparatus for ash comprises the grey funnel of collection and is arranged at the ventilating fan in this collection ash funnel, this collection ash funnel comprises heavy caliber end and small-caliber end, this heavy caliber end and this ash absorbing hole are oppositely arranged, this small-caliber end is communicated with this expansion link, this expansion link is hollow structure, and be provided with conduit in this expansion link, this conduit first end is fixedly connected with this small-caliber end and conducting, this expansion link end is provided with cinder catcher, this conduit second end is connected with this cinder catcher and conducting.
In the greyish black blackboard eraser of suction described in the utility model, this expansion link is rotatably connected by the first rotating shaft and this wiping board surface.
In the greyish black blackboard eraser of suction described in the utility model, this expansion link comprises first body of rod and second body of rod, and this second body of rod is telescopic to be sheathed in this first body of rod.
In the greyish black blackboard eraser of suction described in the utility model, this cinder catcher and this expansion link end are removably connected by screw thread.
In the greyish black blackboard eraser of suction described in the utility model, in this cinder catcher, be also provided with cylinder collection ash fan.
In the greyish black blackboard eraser of suction described in the utility model, this bristle comprises mutual vertically disposed horizontal brush and perpendicular brush.
In the greyish black blackboard eraser of suction described in the utility model, the fixed head being also provided with the sucker slidably extending out to this wiping board bottom surface in this wiping board and being fixedly connected with this sucker top, the second rotating shaft is also provided with in this wiping board, this second rotating shaft is provided with cam, this cam abuts with this fixed head, and this second rotating shaft one end extends to outside this wiping board and forms knob.
In the greyish black blackboard eraser of suction described in the utility model, this cam is provided with limited impression, and this fixed head is provided with the spacing preiection coordinated with this limited impression.
Implement the greyish black blackboard eraser of suction of the present utility model, have following beneficial effect: when using blackboard eraser blackboard wiping of the present utility model, open ventilating fan, dust is sucked in the grey funnel of collection by ventilating fan, then dust enters in cinder catcher through collecting grey funnel by conduit, can effectively prevent dust from flying upward.Expansion link can be stretched simultaneously, control wiping board by expansion link and carry out wiping then at a distance, reduce dust further to the harm of user's body.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the first side structure schematic diagram that the utility model inhales greyish black blackboard eraser;
Fig. 2 is the second side structure schematic diagram that the utility model inhales greyish black blackboard eraser;
Fig. 3 is the bottom surface structure schematic diagram that the utility model inhales greyish black blackboard eraser.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model embodiment is described in further detail.
As Fig. 1, 2, shown in 3, in suction of the present utility model greyish black blackboard eraser first embodiment, this blackboard eraser 1 comprises wiping board 2, be arranged at the bristle 3 of this wiping board 2 bottom surface, the suction apparatus for ash 5 being arranged at this wiping board 2 inside and the expansion link 4 be rotatably connected with this wiping board 2 surface, this wiping board 2 is hollow structure, and this wiping board 2 bottom surface is provided with ash absorbing hole, it is interior and relative with this ash absorbing hole position that this suction apparatus for ash 5 is arranged at this wiping board 2, this suction apparatus for ash 5 comprises the grey funnel 6 of collection and is arranged at the ventilating fan 7 in this collection ash funnel 6, this collection ash funnel 6 comprises heavy caliber end 8 and small-caliber end 9, this heavy caliber end 8 is oppositely arranged with this ash absorbing hole, this small-caliber end 9 is communicated with this expansion link 4, this expansion link 4 is hollow structure, and be provided with conduit 10 in this expansion link 4, this conduit 10 first end is fixedly connected with this small-caliber end 9 and conducting, this expansion link 4 end is provided with cinder catcher 11, this conduit 10 second end is connected with this cinder catcher 11 and conducting.
Understandable, be also provided with the power supply be electrically connected with ventilating fan 7 in this blackboard eraser 1 and control the gauge tap that this ventilating fan 7 opens or closes.
When using blackboard eraser 1 blackboard wiping of the present utility model, open ventilating fan 7, dust is sucked in the grey funnel 6 of collection by ventilating fan 7, and then dust enters in cinder catcher 11 through collecting grey funnel 6 by conduit 10, can effectively prevent dust from flying upward.Expansion link 4 can be stretched simultaneously, control wiping board 2 by expansion link 4 and carry out wiping then at a distance, reduce dust further to the harm of user's body.
Further, this expansion link 4 is rotatably connected with this wiping board 2 surface by the first rotating shaft 12.
Further, this expansion link 4 comprises first body of rod 14 and second body of rod 13, and this second body of rod 13 is telescopic to be sheathed in this first body of rod 14.
Further, this cinder catcher 11 is removably connected by screw thread with this expansion link 4 end.
Further, cylinder collection ash fan 23 is also provided with in this cinder catcher 11.
Further, this bristle 3 comprises mutual vertically disposed horizontal brush 15 and perpendicular brush 16.
Further, the fixed head 18 being also provided with the sucker 17 slidably extending out to this wiping board 2 bottom surface in this wiping board 2 and being fixedly connected with this sucker 17 top, the second rotating shaft 19 is also provided with in this wiping board 2, this second rotating shaft 19 is provided with cam 20, this cam 20 abuts with this fixed head 18, and this second rotating shaft 19 one end extends to outside this wiping board 2 and forms knob.
Further, this cam 20 is provided with limited impression 21, and this fixed head 18 is provided with the spacing preiection 22 coordinated with this limited impression 21.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (8)
1. inhale greyish black blackboard eraser for one kind, it is characterized in that, described blackboard eraser comprises wiping board, be arranged at the bristle of described wiping board bottom surface, the suction apparatus for ash being arranged at described wiping board inside and the expansion link be rotatably connected with described wiping board surface, described wiping board is hollow structure, and described wiping board bottom surface is provided with ash absorbing hole, it is interior and relative with described ash absorbing hole position that described suction apparatus for ash is arranged at described wiping board, the ventilating fan that described suction apparatus for ash comprises the grey funnel of collection and is arranged in the grey funnel of described collection, the grey funnel of described collection comprises heavy caliber end and small-caliber end, described heavy caliber end and described ash absorbing hole are oppositely arranged, described small-caliber end is communicated with described expansion link, described expansion link is hollow structure, and be provided with conduit in described expansion link, described conduit first end is fixedly connected with described small-caliber end and conducting, described expansion link end is provided with cinder catcher, described conduit second end is connected with described cinder catcher and conducting.
2. the greyish black blackboard eraser of suction according to claim 1, is characterized in that, described expansion link is rotatably connected by the first rotating shaft and described wiping board surface.
3. the greyish black blackboard eraser of suction according to claim 1, is characterized in that, described expansion link comprises first body of rod and second body of rod, and described second body of rod is telescopic to be sheathed in described first body of rod.
4. the greyish black blackboard eraser of suction according to claim 1, is characterized in that, described cinder catcher and described expansion link end are removably connected by screw thread.
5. the greyish black blackboard eraser of suction according to claim 4, is characterized in that, is also provided with cylinder collection ash fan in described cinder catcher.
6. the greyish black blackboard eraser of suction according to claim 1, is characterized in that, described bristle comprises mutual vertically disposed horizontal brush and perpendicular brush.
7. the greyish black blackboard eraser of suction according to claim 1, it is characterized in that, the sucker slidably extending out to described wiping board bottom surface and the fixed head be fixedly connected with described sucker top is also provided with in described wiping board, the second rotating shaft is also provided with in described wiping board, described second rotating shaft is provided with cam, described cam abuts with described fixed head, and described second rotating shaft one end extends to outside described wiping board and forms knob.
8. the greyish black blackboard eraser of suction according to claim 7, is characterized in that, described cam is provided with limited impression, and described fixed head is provided with the spacing preiection coordinated with described limited impression.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464714.8U CN204894906U (en) | 2015-06-27 | 2015-06-27 | Inhale grey blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520464714.8U CN204894906U (en) | 2015-06-27 | 2015-06-27 | Inhale grey blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204894906U true CN204894906U (en) | 2015-12-23 |
Family
ID=54917114
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520464714.8U Expired - Fee Related CN204894906U (en) | 2015-06-27 | 2015-06-27 | Inhale grey blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204894906U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | A kind of intelligent teaching aid device of English teaching |
| CN110744954A (en) * | 2018-07-23 | 2020-02-04 | 姚雨妍 | Pressure electrostatic dust-absorbing blackboard eraser |
-
2015
- 2015-06-27 CN CN201520464714.8U patent/CN204894906U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110744954A (en) * | 2018-07-23 | 2020-02-04 | 姚雨妍 | Pressure electrostatic dust-absorbing blackboard eraser |
| CN108973431A (en) * | 2018-08-23 | 2018-12-11 | 东莞市史雷帝三维数控科技有限公司 | A kind of intelligent teaching aid device of English teaching |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151223 Termination date: 20160627 |