CN201931875U - Long blackboard eraser - Google Patents
Long blackboard eraser Download PDFInfo
- Publication number
- CN201931875U CN201931875U CN2010202318834U CN201020231883U CN201931875U CN 201931875 U CN201931875 U CN 201931875U CN 2010202318834 U CN2010202318834 U CN 2010202318834U CN 201020231883 U CN201020231883 U CN 201020231883U CN 201931875 U CN201931875 U CN 201931875U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- brush
- guide rail
- long
- blackboard 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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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model relates to a long blackboard eraser which comprises a blackboard body (2), guide tracks (1) and a strip brush (3), wherein the guide tracks (1) are arranged at the upper and the lower ends of the blackboard body (2), grooves (7) are formed on the guide tracks (1), rollers (4) are arranged on a brush holder (5) of the strip brush (3), brush bristles (6) are fixed to the brush holder (5), and the strip brush (3) is engaged with the grooves (7) on the tracks (1) through the rollers (4) so that the brush bristles (6) are in contact with the surface of the blackboard. The long blackboard eraser is simple and convenient, can rapidly clean writings on a blackboard, has time-saving and labor-saving effects, and is excellent in practicability.
Description
Technical field:
The utility model relates to a kind of teaching aid, a kind of specifically long blackboard brush.
Background technology:
In teaching, blackboard is the teaching essential tool, though existing at present multimedia, blackboard still is that practicality is the most ancient, the educational aid that most convenient is also the most practical, and teaching is still used it mostly.The bound naturally blackboard eraser of the use of blackboard, and a lot of local blackboard eraser that uses all is fritter, and need repeatedly waves arm, very inconvenient when wiping writing, it is just clean with blackboard eraser to make great efforts, time-consuming effort again.
In order effectively to address the above problem, here a kind of convenience, the long blackboard brush in labour-saving have been designed, the utility model be on traditional blackboard, installed one slidably row brush contact with blackboard surface, only need promote brush holder gently, bristle can totally be wiped whole writings fast.
The utility model content:
In order effectively to address the above problem, the utility model provides a kind of convenience, the long blackboard brush in labour-saving.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of long blackboard brush, and it is made up of blackboard body 2, guide rail 1 and row brush 3, and described guide rail 1 is located at the upper and lower side of blackboard body 2, and guide rail 1 is provided with groove 7; The brush holder 5 of described row brush 3 is provided with roller 4, and bristle 6 is fixing with brush holder 5, and row brush 3 cooperates with the groove 7 of guide rail 1 by roller 4, and bristle 6 is contacted with blackboard surface.
The beneficial effects of the utility model are: the utility model is simple, convenient, can totally wipe the writing on the blackboard fast, and time saving and energy saving, practicality is very good.
Description of drawings:
Below in conjunction with description of drawings and embodiment the utility model is further specified
Fig. 1 is the utility model front view
Fig. 2 is the structural representation of brush holder
Fig. 3 is the schematic cross-section of guide rail
Wherein, 1-guide rail, 2-blackboard body, 3-row brush, 4-roller, 5-brush holder, 6-bristle, 7-groove
The specific embodiment:
In Fig. 1, Fig. 2, first embodiment shown in Figure 3, a kind of long blackboard brush is characterized in that: it is made up of blackboard body 2, guide rail 1 and row brush 3, and described guide rail 1 is located at the upper and lower side of blackboard body 2, and guide rail 1 is provided with groove 7; The brush holder 5 of described row brush 3 is provided with roller 4, and bristle 6 is fixing with brush holder 5, and row brush 3 cooperates with the groove 7 of guide rail 1 by roller 4, and bristle 6 is contacted with blackboard surface.
In Fig. 1, Fig. 2, second embodiment shown in Figure 3, a kind of long blackboard brush is characterized in that: the roller 4 of described row brush 3 is engaged in the groove 7 of guide rail 1, and bristle 6 contacts with blackboard surface, and row brush 3 can be slided on guide rail 1 easily.Touch moving brush holder 5 with have gentle hands, but just large tracts of land is wiped clean the blackboard surface, easily laborsaving, conveniently freely.
Claims (1)
1. long blackboard brush, it is characterized in that: it is made up of blackboard body (2), guide rail (1) and row brush (3), and described guide rail (1) is located at the upper and lower side of blackboard body (2), and guide rail (1) is provided with groove (7); The brush holder (5) of described row brush (3) is provided with roller (4), and bristle (6) is fixing with brush holder (5), and row brush (3) cooperates with the groove (7) of guide rail (1) by roller (4), and bristle (6) is contacted with blackboard surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202318834U CN201931875U (en) | 2010-06-13 | 2010-06-13 | Long blackboard eraser |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202318834U CN201931875U (en) | 2010-06-13 | 2010-06-13 | Long blackboard eraser |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201931875U true CN201931875U (en) | 2011-08-17 |
Family
ID=44443412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202318834U Expired - Fee Related CN201931875U (en) | 2010-06-13 | 2010-06-13 | Long blackboard eraser |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201931875U (en) |
-
2010
- 2010-06-13 CN CN2010202318834U patent/CN201931875U/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: 20110817 Termination date: 20120613 |