CN2451354Y - Net-free electric dust-absorbing blackboard eraser - Google Patents
Net-free electric dust-absorbing blackboard eraser Download PDFInfo
- Publication number
- CN2451354Y CN2451354Y CN 00230458 CN00230458U CN2451354Y CN 2451354 Y CN2451354 Y CN 2451354Y CN 00230458 CN00230458 CN 00230458 CN 00230458 U CN00230458 U CN 00230458U CN 2451354 Y CN2451354 Y CN 2451354Y
- Authority
- CN
- China
- Prior art keywords
- dust
- blackboard eraser
- brush
- electric dust
- storage box
- 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
- 239000000428 dust Substances 0.000 claims abstract description 37
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 230000001680 brushing effect Effects 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000003570 air Substances 0.000 description 5
- 239000012080 ambient air Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- Nozzles For Electric Vacuum Cleaners (AREA)
Abstract
The utility model provides a netless electric dust-absorbing blackboard eraser, which adopts a motor to drive a impeller, and the chalk dust brushed off by a brush is sucked into a cavity to prevent dust diffusion. The dust-collecting brush is characterized in that the brush is arranged at the front end of the rectangular shell, the rear part of the brush is provided with a detachable dust storage box, the dust storage box consists of two rectangular dust storage boxes with openings on one surfaces, and a gas suction channel is arranged between the two dust storage boxes; the motor and the impeller are arranged in the rear cabin of the shell, when the chalk dust collecting box is used, air flows to the middle to be sucked, most of the chalk dust sucked along with the air is directly hit to the inner wall of the chalk dust collecting box to be deposited under the action of inertia, and therefore the effect of controlling the flying of the chalk dust is achieved.
Description
The utility model belongs to a kind of teaching and office furniture, relates to a kind of improvement of blackboard eraser.
Existing general blackboard eraser all is traditional mechanical type blackboard eraser, does not have dust exhaust apparatus, and chalk dust is scattered everywhere after the wiping, flies away in the classroom everywhere after the wind, and teacher, student healthy caused very big harm.That uses now also has a blackboard eraser that can adsorb chalk dust, but because its unreasonable structure, result of use is bad, and the cost height is applied so be difficult in school simultaneously.The electric dust absorption blackboard eraser that chalk dust can be sucked by the driven by motor blade-rotating is also arranged now, but its structure all is to be provided with a dust screen before blade-rotating, make air-flow can by and chalk dust is blocked, but this electric blackboard eraser with a period of time after, dust both can be blocked mesh, and pick-up performance is very poor.
The purpose of this utility model provides a kind of net free type electric dust absorption blackboard eraser, and its adopt to adopt driven by motor impeller, hairbrush is brushed in the chalk dust suction chamber that falls, prevents the dust diffusion.
The technical solution of the utility model is: a kind of net free type electric dust absorption blackboard eraser, comprise housing, brushing, by the impeller and the ash storage box of driven by motor, it is characterized in that brushing the front end that rectangular case is located in wiping, the rear portion that brush is wiped is demountable ash storage box, described ash storage box is made up of the square type stored ash box of two openings, and the centre of two stored ash box is air intake passages; Motor and impeller are located in the cabin, rear portion of housing, are provided with battery flat in the cabin simultaneously, and the rear wall of housing has air vent.Like this, open switch during blackboard wiping, the driven by motor impeller rotates at a high speed, the sidepiece that the chalk dust that wipes is wiped by brush sucks, because air intake passage is in the centre of two stored ash box, air-flow sucks to the centre, and the chalk dust of going into aspiration is because action of inertia, the inwall that the overwhelming majority is directly got to stored ash box deposits, and small part sucks the housing rear portion, thereby reaches the effect that the control chalk dust flies away.After using a period of time, ash storage box can be unloaded, pour out to load onto promptly behind the chalk dust and reuse.
This net free type electric dust absorption blackboard eraser is simple in structure, and is easy to operate, owing to adopt the motor dust suction, can effectively chalk dust be sucked, and prevents that dust from flying away everywhere, thereby guarantees health.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the structural representation after this electric dust absorption blackboard eraser ash storage box unloads.
As shown in Figure 1 and Figure 2, housing 1 is a rectangular enclosure, and brush wiping 2 is positioned at the front end of housing 1.Brush is wiped 2 rear portion housing demountable ash storage box 4 is housed, and this ash storage box is fused by the square type stored ash box 8 of two front openings and forms, and does not have shelf between two stored ash box 8, becomes air intake passage after the insertion.Ash storage box 4 can upwards draw off, and reloads use after chalk dust is wherein poured out.Be located in the rear deck of housing 1 by the impeller 3 of motor powered, it rotates at a high speed after connecting power supply, the brush of front end is wiped ambient air suck.Air vent 6 is located at the rear wall of housing 1.
Being provided with catch 7 about brush wiping 2, is in order to prevent the dust diffusion, to use better effects if.In addition, the top of page or leaf wheel 3 is equipped with arc shelf 5 in housing, makes air-flow clear and coherent more.
Claims (3)
1. net free type electric dust absorption blackboard eraser, comprise housing, brushing, by the impeller and the ash storage box of driven by motor, it is characterized in that brushing the front end that rectangular case is located in wiping, the rear portion that brush is wiped is demountable ash storage box, described ash storage box is made up of the square type stored ash box of two openings, and the centre of two stored ash box is air intake passages; Motor and impeller are located in the cabin, rear portion of housing, are provided with battery flat in the cabin simultaneously, and the rear wall of housing has air vent.
2. net free type electric dust absorption blackboard eraser according to claim 1 is provided with catch about it is characterized in that described brush wipes.
3. net free type electric dust absorption blackboard eraser according to claim 1 is characterized in that the top of page or leaf wheel in described housing is equipped with the arc shelf.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230458 CN2451354Y (en) | 2000-07-19 | 2000-07-19 | Net-free electric dust-absorbing blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00230458 CN2451354Y (en) | 2000-07-19 | 2000-07-19 | Net-free electric dust-absorbing blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2451354Y true CN2451354Y (en) | 2001-10-03 |
Family
ID=33593558
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00230458 Expired - Fee Related CN2451354Y (en) | 2000-07-19 | 2000-07-19 | Net-free electric dust-absorbing blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2451354Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801561A (en) * | 2022-04-13 | 2022-07-29 | 罗瑞全 | Dust-absorption blackboard eraser convenient to clean |
-
2000
- 2000-07-19 CN CN 00230458 patent/CN2451354Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114801561A (en) * | 2022-04-13 | 2022-07-29 | 罗瑞全 | Dust-absorption blackboard eraser convenient to clean |
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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 |