CN201881772U - Simple eraser - Google Patents
Simple eraser Download PDFInfo
- Publication number
- CN201881772U CN201881772U CN2010206553231U CN201020655323U CN201881772U CN 201881772 U CN201881772 U CN 201881772U CN 2010206553231 U CN2010206553231 U CN 2010206553231U CN 201020655323 U CN201020655323 U CN 201020655323U CN 201881772 U CN201881772 U CN 201881772U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- brush bar
- utility
- model
- handle
- 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility provided a simple eraser. Slide rails are arranged at the upper end and the lower end of a blackboard, roller wheels are arranged inside the slide rails, a brush bar is connected with the roller wheels on the slide rails, the bottom of the brush bar is provided with bristles, and a handle is arranged on the back of the brush bar. The length of the brush bar is the same as the width of the blackboard, a user can hold the handle on the brush bar to slide the brush bar along the blackboard, so that chalk traces on the blackboard can be erased even though chalk traces on the upper portion of the blackboard can be easily erased, and the simple eraser is convenient to use and timesaving.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically is a kind of simple and easy blackboard eraser.
Background technology
At present, most of schools still use the normal blackboard sassafras to wipe letter written with chalk, relatively require great effort in erase process, and are hard especially when particularly will wipe a monoblock blackboard, and also are not easy to clip at the letter written with chalk of blackboard eminence, and it is very not convenient to use.
Summary of the invention
The utility model provides a kind of simple and easy blackboard eraser, can wipe the letter written with chalk on the blackboard fast, and is easy to use, saves time.
A kind of simple and easy blackboard eraser comprises being arranged on the up and down slide rail at two ends of blackboard, is provided with roller in the slide rail, and the brush bar is connected with roller on being arranged on slide rail, and the bottom surface of brushing bar is provided with bristle, and the back side of brushing bar is provided with handle.
The length of the utility model brush bar is suitable with the width of blackboard, and the handle that grips on the brush bar can be wiped along the blackboard brush bar that slides, even the letter written with chalk above the blackboard also can easily wipe, easy to use, saved the time greatly.
Description of drawings
Fig. 1 is the structural representation of the simple and easy blackboard eraser of the utility model.
Among the figure: the 1-slide rail, 2-brushes bar, 3-bristle, 4-roller, 5-handle, 6-blackboard, 7-ash collection slot.
The specific embodiment
Below in conjunction with the accompanying drawing in the utility model, the technical scheme in the utility model is clearly and completely described.
Figure 1 shows that the structural representation of the simple and easy blackboard eraser of the utility model, described simple and easy blackboard eraser comprises the slide rail 1 that is arranged on blackboard two ends about in the of 6, be provided with roller 4 in the slide rail 1, brush bar 2 is connected with roller 4 on being arranged on slide rail 1, the bottom surface of brush bar 2 is provided with bristle 3, the back side of brush bar 2 is provided with handle 5, is convenient to grip.The bottom of blackboard 6 is provided with ash collection slot 7, is used to collect the chalk dust under brush bar 2 brushes, avoids chalk dust to drift everywhere, influences surrounding environment and healthy.
The length of the utility model brush bar is suitable with the width of blackboard, and the handle that grips on the brush bar can be wiped along the blackboard brush bar that slides, even the letter written with chalk above the blackboard also can easily wipe, easy to use, saved the time greatly.
The above; it only is the specific embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; anyly belong to those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.
Claims (1)
1. simple and easy blackboard eraser, it is characterized in that: comprise being arranged on blackboard (6) slide rail at two ends (1) up and down, be provided with roller (4) in the slide rail (1), brush bar (2) is connected with roller (4) on being arranged on slide rail (1), the bottom surface of brush bar (2) is provided with bristle (3), and the back side of brush bar (2) is provided with handle (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206553231U CN201881772U (en) | 2010-12-13 | 2010-12-13 | Simple eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206553231U CN201881772U (en) | 2010-12-13 | 2010-12-13 | Simple eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201881772U true CN201881772U (en) | 2011-06-29 |
Family
ID=44179309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206553231U Expired - Fee Related CN201881772U (en) | 2010-12-13 | 2010-12-13 | Simple eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201881772U (en) |
-
2010
- 2010-12-13 CN CN2010206553231U patent/CN201881772U/en not_active Expired - Fee Related
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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: 20110629 Termination date: 20111213 |