CN201105594Y - Blackboard eraser - Google Patents
Blackboard eraser Download PDFInfo
- Publication number
- CN201105594Y CN201105594Y CNU2007200720633U CN200720072063U CN201105594Y CN 201105594 Y CN201105594 Y CN 201105594Y CN U2007200720633 U CNU2007200720633 U CN U2007200720633U CN 200720072063 U CN200720072063 U CN 200720072063U CN 201105594 Y CN201105594 Y CN 201105594Y
- Authority
- CN
- China
- Prior art keywords
- blackboard
- lever
- blackboard eraser
- erased
- rod body
- 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 blackboard eraser, which is characterized in that: a rod body is provided with a lever which can slide up and down and is provided with a brush plate with strong dust adsorption capacity, the upper end of the lever is provided with an sliding axis vehicle which is connected with the rod body and is provided with a pulley, similarly, the lower end of the rod body is provided with an sliding axis vehicle which is connected with the rod body and is provided with a pulley, however, the interior of the lower axis vehicle can be used as a dust box for collecting the erased dust, and the dust box can be drawn out of the axis vehicle. Before using, the blackboard eraser is firstly arranged on the blackboard, the upper end and the lower end of which are provided with a sliding shaft; when is routinely used, the blackboard is pushed to one side. When the blackboard eraser is used, only the height of the brush plate on the lever is adjusted according to the position to be erased on the blackboard and the lever is horizontally pushed, the position to be erased on the blackboard can be erased no matter where the position is. Inability of erasing the blackboard due to the short height does not happen any more.
Description
Technical field:
The utility model relates to the teaching aid that school uses, particularly a kind of blackboard eraser.
Background technology:
Blackboard eraser is a kind of teaching aid that school generally uses, and existing blackboard eraser mostly is rectangular structure greatly, and one side has bristle, and such blackboard eraser ubiquity dust when in use dances in the air, and neither be very good on the effect that erases the board.Often the blackboard that is nuzzled up is not that the flower screen is exactly not wipe clean.Main is also can sometimes can't clip " dead angle " of blackboard upper end because of the reason of the person's of erasing the board height.So we have designed a kind of novel blackboard eraser at the problems referred to above.
The utility model content:
The purpose of this utility model provides a kind of blackboard eraser.This blackboard eraser can make things convenient for, effectively that blackboard eraser is clean.
According to above-mentioned purpose, its technical scheme is as follows:
A kind of blackboard eraser, it is characterized in that, comprising that a body of rod is provided with can slide up and down and the lever of the very strong hair brushing plate of dust absorption affinity, the upper end of lever is provided with the sliding axle car that has pulley that is connected with the body of rod, the lower end of the body of rod equally also is provided with the sliding axle car that has pulley that is connected with the body of rod, be provided with the powder box that can be used for accumulating institute's crocus dirt in the sliding axle car of lower end, this powder box can be removed in the axle car.
The beneficial effects of the utility model are:
This blackboard eraser before use, be placed in earlier two ends up and down have sliding axle blackboard on.This blackboard is pushed to a side when at ordinary times, using blackboard.In the time will using blackboard eraser as long as according to the place of the blackboard that will wipe, on the adjustment (adjusting) lever height of hair brushing plate simultaneously level promote lever, so no matter which place of blackboard need be wiped and can be clipped, never again because height inadequately and wiping less than blackboard.In addition, wipe good after as long as bristle is bought on the sliding axle car of lower end, dust is trembled powder box in the car, powder box is taken out in the car get final product then.This blackboard eraser is very convenient to use, effective.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.
The specific embodiment:
Further specify the utility model below in conjunction with accompanying drawing.
Referring to Fig. 1, blackboard eraser described in the utility model, comprising that a body of rod is provided with can slide up and down and the lever 1 of the very strong hair brushing plate 11 of dust absorption affinity, the upper end of lever is provided with the sliding axle car 12 that has pulley that is connected with the body of rod, the lower end of the body of rod equally also is provided with the sliding axle car 13 that has pulley that is connected with the body of rod, be provided with the powder box 14 that can be used for accumulating institute's crocus dirt in the sliding axle car of lower end, this powder box can be removed in the axle car.
This blackboard eraser before use, be placed in earlier two ends up and down have sliding axle blackboard on.This blackboard is pushed to a side when at ordinary times, using blackboard.In the time will using blackboard eraser as long as according to the place of the blackboard that will wipe, on the adjustment (adjusting) lever height of hair brushing plate simultaneously level promote lever, so no matter which place of blackboard need be wiped and can be clipped, never again because height inadequately and wiping less than blackboard.In addition, wipe good after as long as bristle is bought on the sliding axle car of lower end, dust is trembled powder box in the car, powder box is taken out in the car get final product then.This blackboard eraser is very convenient to use, effective.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (1)
1. blackboard eraser, it is characterized in that, comprising that a body of rod is provided with can slide up and down and the lever of the very strong hair brushing plate of dust absorption affinity, the upper end of lever is provided with the sliding axle car that has pulley that is connected with the body of rod, the lower end of the body of rod equally also is provided with the sliding axle car that has pulley that is connected with the body of rod, be provided with the powder box that can be used for accumulating institute's crocus dirt in the sliding axle car of lower end, this powder box can be removed in the axle car.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200720633U CN201105594Y (en) | 2007-06-29 | 2007-06-29 | Blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200720633U CN201105594Y (en) | 2007-06-29 | 2007-06-29 | Blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201105594Y true CN201105594Y (en) | 2008-08-27 |
Family
ID=39957387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200720633U Expired - Fee Related CN201105594Y (en) | 2007-06-29 | 2007-06-29 | Blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201105594Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275432A (en) * | 2010-10-26 | 2011-12-14 | 上海市黄浦区新凌小学 | Labor-saving blackboard eraser |
| CN102910010A (en) * | 2012-09-24 | 2013-02-06 | 中国计量学院 | Handheld automatic blackboard eraser |
-
2007
- 2007-06-29 CN CNU2007200720633U patent/CN201105594Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102275432A (en) * | 2010-10-26 | 2011-12-14 | 上海市黄浦区新凌小学 | Labor-saving blackboard eraser |
| CN102910010A (en) * | 2012-09-24 | 2013-02-06 | 中国计量学院 | Handheld automatic blackboard eraser |
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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: 20080827 |