CN203317961U - Double-sided erasable blackboard - Google Patents
Double-sided erasable blackboard Download PDFInfo
- Publication number
- CN203317961U CN203317961U CN2013203829050U CN201320382905U CN203317961U CN 203317961 U CN203317961 U CN 203317961U CN 2013203829050 U CN2013203829050 U CN 2013203829050U CN 201320382905 U CN201320382905 U CN 201320382905U CN 203317961 U CN203317961 U CN 203317961U
- Authority
- CN
- China
- Prior art keywords
- blackboard
- blackboard eraser
- clipboard
- sided
- rotating shaft
- 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 double-sided erasable blackboard, comprising a roller blind pipe (1) with a central rotating shaft, wherein the central rotating shaft is connected with a soft writing plate (4); a first blackboard eraser (3) is mounted on the roller blind pipe (1) through an upper bracket (2); the erasing surface of the first blackboard eraser (3) is contacted with the outer surface of the writing plate (4); a hard blackboard (8) is arranged behind the soft writing plate (4); slideways (7) are mounted at the left side and the right side of the blackboard (8); a second blackboard eraser (5) is mounted at the rear side of the lower end of the writing plate (4); the erasing surface of the second blackboard eraser (5) is contacted with the outer surface of the blackboard (8); the second blackboard eraser (5) is connected with a lower bracket (6); and the rear end of the lower bracket (6) is connected between the slideways (7) in a sliding mode. According to the double-sided erasable blackboard, the writing plates can slide up and down by pulling a pull rope, so the two writing plates can be erased quickly, and the double-sided erasable blackboard is very convenient to use.
Description
Technical field
The utility model relates to a kind of blackboard.
Background technology
At classroom teaching, blackboard eraser is absolutely necessary, but, at blackboard upper plate postscript, needs classmate team blackboard to carry out wiping, not only requires great effort, and the chalk dust in wiping process easily is drawn onto in body.Blackboard eraser can't fixedly mount in addition, easily loses.
The utility model content
Technical problem to be solved in the utility model is, a kind of two-sided erasable type blackboard is provided, and can complete fast the wiping work of blackboard, very easy to use.
It is as follows that the utility model solves the problems of the technologies described above adopted technical scheme:
Two-sided erasable type blackboard is characterized in that: comprise the roller shutter pipe with central rotating shaft, the outer end of described central rotating shaft is connected with stay cord, is connected with soft clipboard on described central rotating shaft, and stretch out from roller shutter pipe lower end the lower end of described clipboard; Also by upper bracket, the first blackboard eraser is installed on described roller shutter pipe, the wiping surface of described the first blackboard eraser contacts with the outer surface of clipboard; Rear at soft clipboard also is provided with the hard blackboard, and the upper end of described blackboard is fixed on the roller shutter pipe by link; The left and right sides of described blackboard is equipped with slideway, and the lower end rear side of described clipboard is equipped with the second blackboard eraser, and the wiping surface of the second blackboard eraser contacts with the outer surface of blackboard; Be connected with lower carriage on described the second blackboard eraser, the rear end of described lower carriage is slidably connected in described slideway.
Good effect of the present utility model is:
The utility model can slide up and down clipboard by pulling stay cord, completes fast the wiping to two clipboards.Very easy to use.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is side structure schematic diagram of the present utility model.
The specific embodiment
Describe preferred embodiment of the present utility model in detail below in conjunction with accompanying drawing.
As shown in Figure 1, 2, the utility model comprises the roller shutter pipe 1 with central rotating shaft, and the outer end of described central rotating shaft is connected with stay cord, is connected with soft clipboard 4 on described central rotating shaft, and stretch out from roller shutter pipe 1 lower end the lower end of described clipboard 4.Also by upper bracket 2, the first blackboard eraser 3 is installed on described roller shutter pipe 1, the wiping surface of described the first blackboard eraser 3 contacts with the outer surface of clipboard 4.Rear at soft clipboard 4 also is provided with hard blackboard 8, and the upper end of described blackboard 8 is fixed on roller shutter pipe 1 by link.The left and right sides of described blackboard 8 is equipped with slideway 7, and the wiping surface that the lower end rear side of described clipboard 4 is equipped with the second blackboard eraser 5, the second blackboard erasers 5 contacts with the outer surface of blackboard 8.Be connected with lower carriage 6 on described the second blackboard eraser 5, the rear end of described lower carriage 6 is slidably connected in described slideway 7.
By pulling stay cord that clipboard 4 is slided up and down, in sliding process, wiping is carried out on the soft clipboard of the first 3 pairs of blackboard erasers 4 surfaces, and wiping is carried out on the surface of 5 pairs of blackboards 8 of the second blackboard eraser.
Claims (1)
1. two-sided erasable type blackboard, it is characterized in that: comprise the roller shutter pipe (1) with central rotating shaft, the outer end of described central rotating shaft is connected with stay cord, is connected with soft clipboard (4) on described central rotating shaft, and stretch out from roller shutter pipe (1) lower end the lower end of described clipboard (4); Also by upper bracket (2), the first blackboard eraser (3) is installed on described roller shutter pipe (1), the wiping surface of described the first blackboard eraser (3) contacts with the outer surface of clipboard (4); Also be provided with hard blackboard (8) at the rear of soft clipboard (4), the upper end of described blackboard (8) is fixed on roller shutter pipe (1) by link; The left and right sides of described blackboard (8) is equipped with slideway (7), and the lower end rear side of described clipboard (4) is equipped with the second blackboard eraser (5), and the wiping surface of the second blackboard eraser (5) contacts with the outer surface of blackboard (8); Be connected with lower carriage (6) on described the second blackboard eraser (5), the rear end of described lower carriage (6) is slidably connected in described slideway (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203829050U CN203317961U (en) | 2013-07-01 | 2013-07-01 | Double-sided erasable blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203829050U CN203317961U (en) | 2013-07-01 | 2013-07-01 | Double-sided erasable blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203317961U true CN203317961U (en) | 2013-12-04 |
Family
ID=49657346
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203829050U Expired - Fee Related CN203317961U (en) | 2013-07-01 | 2013-07-01 | Double-sided erasable blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203317961U (en) |
-
2013
- 2013-07-01 CN CN2013203829050U patent/CN203317961U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20140701 |
|
| EXPY | Termination of patent right or utility model |