CN201530220U - blackboard - Google Patents
blackboard Download PDFInfo
- Publication number
- CN201530220U CN201530220U CN2009203052587U CN200920305258U CN201530220U CN 201530220 U CN201530220 U CN 201530220U CN 2009203052587 U CN2009203052587 U CN 2009203052587U CN 200920305258 U CN200920305258 U CN 200920305258U CN 201530220 U CN201530220 U CN 201530220U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- utility
- model
- plate 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
Links
Landscapes
- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a blackboard which comprises a board body (1), wherein the upper frame and the lower frame of the board body (1) are provided with two lines of grooves (2), rolling bearings (3) are respectively arranged in the grooves (2), and the two rolling bearings (3) are connected through a blackboard eraser (4), and a handle is inlaid in the middle of the blackboard eraser (5). The blackboard can be used for quickly erasing words, saves time and labor, has little generated powder, and provides convenience to teachers and students.
Description
Technical field
The utility model relates to a kind of blackboard, particularly a kind of blackboard that quick wiping board function is arranged.
Background technology
Last class hour of teacher, the action of often using is exactly to erase the board, and present blackboard eraser is little, and the letter written with chalk of a plate will nearly two minutes ability have been wiped.The chalk powder that produces in the wiping board process is again easily by the student, and is in teacher's suction body, unhealthful.
The utility model content
Technical problem to be solved in the utility model provides a kind of blackboard that can wipe writing fast.
In order to address the above problem, the technical solution of the utility model is: it comprises plate body, is provided with two row grooves on the plate body upper and lower side frame, is equipped with rolling bearing in the groove respectively, and two rolling bearings connect by blackboard eraser, studs with handle in the middle of the blackboard eraser.
Compared with prior art, the utility model is provided with microscler blackboard eraser on the blackboard plane, can clash chalk writing fast, and is time saving and energy saving.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Embodiment 1: as shown in Figure 1, a kind of blackboard, it comprises plate body 1, is provided with groove 2 at plate body 1 upper and lower side frame, settles rolling bearing 3 in groove 2, blackboard eraser 4 connects scroll-up/down bearing 3, inlays handle 5 on the blackboard eraser 4.Blackboard eraser 4 can be wiped the writing on the plate face with the rolling of rolling bearing 3 in plate body plane move left and right.
Claims (1)
1. blackboard, it comprises plate body (1), it is characterized in that: be provided with two row grooves (2) on plate body (1) upper and lower side frame, be equipped with rolling bearing (3) in the groove (2) respectively, two rolling bearings (3) connect by blackboard eraser (4), stud with handle (5) in the middle of the blackboard eraser (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203052587U CN201530220U (en) | 2009-06-29 | 2009-06-29 | blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009203052587U CN201530220U (en) | 2009-06-29 | 2009-06-29 | blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201530220U true CN201530220U (en) | 2010-07-21 |
Family
ID=42525628
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009203052587U Expired - Fee Related CN201530220U (en) | 2009-06-29 | 2009-06-29 | blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201530220U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751765A (en) * | 2014-12-18 | 2016-07-13 | 上海市格致中学 | Connected blackboard |
-
2009
- 2009-06-29 CN CN2009203052587U patent/CN201530220U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105751765A (en) * | 2014-12-18 | 2016-07-13 | 上海市格致中学 | Connected blackboard |
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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: 20100721 Termination date: 20110629 |