CN2673672Y - Automatic dust collection blackboard eraser - Google Patents
Automatic dust collection blackboard eraser Download PDFInfo
- Publication number
- CN2673672Y CN2673672Y CN 200320105979 CN200320105979U CN2673672Y CN 2673672 Y CN2673672 Y CN 2673672Y CN 200320105979 CN200320105979 CN 200320105979 CN 200320105979 U CN200320105979 U CN 200320105979U CN 2673672 Y CN2673672 Y CN 2673672Y
- Authority
- CN
- China
- Prior art keywords
- dust
- base
- gear
- shaft
- eraser
- 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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- Electric Suction Cleaners (AREA)
Abstract
The utility model belongs to teaching aids, in particular to relating to an automatic dust collection blackboard eraser for erasing blackboard, comprising a base 1 and a dust collecting net. A direct current small motor 6 is fixed at the cavity of the base 1 and the out-shaft of the motor 6 is provided with a number one gear 7 which is to drive the first and the second shaft 4, 9 by a number two gear and a number three gear 5, 8. The first and the second shaft 4, 9 pass through the above of the dust collecting net 2 mounted at the upper of the base 1 and the upper part of the first and the second shaft 4, 9 is fixed with dust absorption air blades 3 with a hair eraser. If being used, the eraser has the advantages of labor-saving, quickness and no dust.
Description
Technical field
The utility model belongs to teaching aid, particularly a kind of automatic dust-absorption eraser of the usefulness that erases the board.
Technical background
At present, the blackboard eraser of use mostly is that to be stained with hair on wooden base sticking, goes to erase the board with hand, and not only effort has dust from flying in air, and is very unhygienic.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned technical deficiency, provides a kind of laborsaving, quick, does not have the automatic dust-absorption eraser of dust.
The scheme that its technical problem of solving the utility model adopts is: the blackboard eraser of being made up of base and dust sticking net, fix a direct-flow small motor in base cavity, Motor Shaft is adorned a gear, by two, No. three gear drives, drive one, two, one, two are passed above the dust sticking net that is contained in above the base, and one, two one end fixedly is equipped with and has the dust absorption fan blade that hair is wiped, and small machine is by the powered battery that is contained in the battery case.
The beneficial effects of the utility model are: laborsaving, quick with this blackboard eraser, and no dust.
Description of drawings
Specify with embodiment below in conjunction with accompanying drawing.
Fig. 1 shows the automatic dust-absorption eraser front view.
The A-A profile of Fig. 2 diagrammatic sketch 1.
Among the figure, the 1-base; The 2-dust sticking net; 3-dust absorption fan blade; One of 4-; No. two gears of 5-; The 6-small machine; Gear of 7-; No. three gears of 8-; Two of 9-; The 10-battery case; The 11-switch
The specific embodiment
With reference to accompanying drawing, by base 1, the blackboard eraser that dust sticking net 2 is formed, in the cavity of base 1, fixedly adorn a small machine 6, fix a gear 7 on the shaft, No. one gear 7 meshes two with 5, No. three gears of No. two gears 8 respectively, No. three gears 5,8 are separately fixed at one, two 4, on 9, one, two 4,9 equal activities are contained on the bearing block that is fixed on base 1, one, two 4, dust sticking net 2 is passed in 9 upper ends, the dust-absorbing fan blade 3 that termination fixed band hairiness is sticking, and dust sticking net 2 activities are contained on the base, when erasing the board, press switch 11, the battery that is contained in the battery case can give small machine 6 power supplies, and small machine 6 rotates, by gear drive, drive one, two 4,9 rotate, and dust absorption fan blade 3 rotation works, blade are helical blade, during rotation dust is sucked in base 1 chamber, a dust will be bonded on the dust sticking net 2.
Claims (1)
1, a kind of automatic dust-absorption eraser, form by base (1) and dust sticking net (2), it is characterized in that in base (1) chamber, fixing a direct-flow small motor (6), motor (6) shaft is adorned a gear (7), by two, No. three gears (5), (8) transmission, drive one, two (4), (9), one, two (4), (9) are passed above the dust sticking net (2) that is contained in above the base (1), and the dust absorption fan blade (3) that hair is wiped fixedly is equipped with in one, two (4), (9) upper end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320105979 CN2673672Y (en) | 2003-12-12 | 2003-12-12 | Automatic dust collection blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320105979 CN2673672Y (en) | 2003-12-12 | 2003-12-12 | Automatic dust collection blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2673672Y true CN2673672Y (en) | 2005-01-26 |
Family
ID=34474405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320105979 Expired - Fee Related CN2673672Y (en) | 2003-12-12 | 2003-12-12 | Automatic dust collection blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2673672Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105996534A (en) * | 2016-08-02 | 2016-10-12 | 徐海慧 | Solar resting chair for shading |
| CN106136646A (en) * | 2016-08-02 | 2016-11-23 | 徐海慧 | A kind of solar charging electrical heating chair |
| CN107053913A (en) * | 2017-05-04 | 2017-08-18 | 聊城职业技术学院 | Intelligent electric blackboard eraser is used in one kind teaching |
| CN107776301A (en) * | 2017-11-30 | 2018-03-09 | 上海海洋大学 | A kind of semi-automatic dust-free black board eraser |
| CN110108112A (en) * | 2019-05-31 | 2019-08-09 | 曹闯 | A kind of novel high efficiency dry materials all-in-one machine |
-
2003
- 2003-12-12 CN CN 200320105979 patent/CN2673672Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105996534A (en) * | 2016-08-02 | 2016-10-12 | 徐海慧 | Solar resting chair for shading |
| CN106136646A (en) * | 2016-08-02 | 2016-11-23 | 徐海慧 | A kind of solar charging electrical heating chair |
| CN107053913A (en) * | 2017-05-04 | 2017-08-18 | 聊城职业技术学院 | Intelligent electric blackboard eraser is used in one kind teaching |
| CN107776301A (en) * | 2017-11-30 | 2018-03-09 | 上海海洋大学 | A kind of semi-automatic dust-free black board eraser |
| CN110108112A (en) * | 2019-05-31 | 2019-08-09 | 曹闯 | A kind of novel high efficiency dry materials all-in-one machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |