CN2383700Y - Rolling blackboard erazer - Google Patents
Rolling blackboard erazer Download PDFInfo
- Publication number
- CN2383700Y CN2383700Y CN 99238159 CN99238159U CN2383700Y CN 2383700 Y CN2383700 Y CN 2383700Y CN 99238159 CN99238159 CN 99238159 CN 99238159 U CN99238159 U CN 99238159U CN 2383700 Y CN2383700 Y CN 2383700Y
- Authority
- CN
- China
- Prior art keywords
- dust
- rolling
- housing body
- utility
- wiping
- 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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Landscapes
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
Abstract
The utility model relates to a rolling blackboard eraser, which mainly overcomes the defects that the existing blackboard eraser has low efficiency, dust flies, etc. when the existing blackboard eraser is used. At least two rolling shafts are arranged on a housing body of the utility model, and wiping hairs are covered on the two rolling shafts. Hair brushes for sweeping dust on the wiping hairs are correspondingly arranged on the housing body below each rolling shaft. The side edge of the housing body is provided with a dust removal door. When the utility model work, wiping hairs follow a plurality of rolling shafts to continuously roll to generate friction, and chalk characters on a blackboard can be erased. In the meantime, the brush below the rolling shafts continuously sweeps the dust on the wiping hairs into the housing body. After the housing body is filled with the dust, the dust can be dumped through the dust removal door of the side edge.
Description
The utility model relates to a kind of realia, particularly a kind of roller blackboard eraser.
Employed blackboard eraser in imparting knowledge to students at present, its structure is simple and crude, and service efficiency is lower, wastes time and energy, and dust from flying in particularly using has caused considerable influence to health.
The purpose of this utility model be to provide a kind of easy to use, efficient is high, can prevent that the Rolling blackboard of dust from flying from wiping.
The purpose of this utility model is achieved in that it includes housing and snag, is provided with two axis of rolling on its housing at least, covers on it and is provided with snag; The corresponding hairbrush that is provided with cleaning snag dust on the housing of each axis of rolling below; The housing side is provided with the dedusting door.
Advantage of the present utility model is simple in structure, and is easy to use, and Use Limitation rate height is time saving and energy saving, can prevent that dust from arbitrarily flying upward in especially using, and safeguarded people's health.
Below in conjunction with accompanying drawing the utility model is further described.
Accompanying drawing is a structural representation of the present utility model.
Structure shown in the drawings is embodiment of the present utility model.Among the figure, housing 1 adopts plastic production.The surface is bonded with the fiber felt pan and is provided with three as the axis of rolling of snag 2, and its two ends are arranged on the both sides of housing 1.The corresponding hairbrush 3 that is bonded with cleaning snag 2 dust on the snag below housing of each axis of rolling, the side of housing 1 is provided with dedusting door 4.In the utility model work, produce friction with continuous rolling of several axis of rolling between the snag 2, can wipe the letter written with chalk on the blackboard, dust is brushed in housing 1 by hairbrush 3 and is outwelled by dedusting door 4.
Claims (1)
1, a kind of Rolling blackboard is wiped, and includes housing and snag, it is characterized in that: be provided with two axis of rolling on the housing at least, cover on it and be provided with snag; The corresponding hairbrush that is provided with cleaning snag dust on the housing of each axis of rolling below; The housing side is provided with the dedusting door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99238159 CN2383700Y (en) | 1999-07-26 | 1999-07-26 | Rolling blackboard erazer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99238159 CN2383700Y (en) | 1999-07-26 | 1999-07-26 | Rolling blackboard erazer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2383700Y true CN2383700Y (en) | 2000-06-21 |
Family
ID=34025654
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99238159 Expired - Fee Related CN2383700Y (en) | 1999-07-26 | 1999-07-26 | Rolling blackboard erazer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2383700Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115923379A (en) * | 2022-12-07 | 2023-04-07 | 燕山大学 | Blackboard eraser capable of reducing dust emission in rotary mode |
-
1999
- 1999-07-26 CN CN 99238159 patent/CN2383700Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115923379A (en) * | 2022-12-07 | 2023-04-07 | 燕山大学 | Blackboard eraser capable of reducing dust emission in rotary mode |
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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 |