CN203019903U - Novel blackboard - Google Patents
Novel blackboard Download PDFInfo
- Publication number
- CN203019903U CN203019903U CN 201220607696 CN201220607696U CN203019903U CN 203019903 U CN203019903 U CN 203019903U CN 201220607696 CN201220607696 CN 201220607696 CN 201220607696 U CN201220607696 U CN 201220607696U CN 203019903 U CN203019903 U CN 203019903U
- Authority
- CN
- China
- Prior art keywords
- box body
- rotating shaft
- blackboard
- pulleys
- 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
- 230000001681 protective effect Effects 0.000 abstract 3
- 238000004321 preservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- Drawing Aids And Blackboards (AREA)
Abstract
The utility model discloses a novel blackboard. The novel blackboard comprises a rectangular board body, two opposite sides of the board body are provided with a sliding chute respectively. The sliding chutes are internally provided with a pulley respectively, and the pulleys are matched with the sliding chutes; the sliding chutes are further provided with stoppers for limiting the positions of the pulleys; one side, which is adjacent to the sliding chutes, of the board body is provided with a box body, and two ends of the box body are flush with the board body; and a rotating shaft is arranged in the box body, a reel of protective film is sleeved on the rotating shaft, and two corners of the free end of the protective film are connected with the two pulleys respectively. The novel blackboard disclosed by the utility model is simple in structure, the protective film is provided, so contents on the blackboard can be well preserved; and the rotating shaft and the pulleys are provided, so the novel blackboard is fast and convenient to use.
Description
Technical field
The utility model relates to a kind of blackboard, is specifically related to a kind of new type blackboard.
Background technology
The blackboard that uses in school at present mostly is used for teaching and runs a blackboard newspaper, and blackboard newspaper is all generally to change a Monday, therefore due to overlong time, can cause the content on blackboard newspaper unintelligible, sometimes also can accidentally the content on blackboard newspaper be wiped because students is played after class, unintelligible or by after being wiped in content on blackboard newspaper, need again to replenish trouble very.
The utility model content
Technical problem to be solved in the utility model is for above-mentioned the deficiencies in the prior art, and a kind of new type blackboard is provided, the content on the preservation blackboard newspaper that it can be intact.
The technical scheme that the utility model adopts is: a kind of new type blackboard; comprise rectangular plate body; the both sides that described plate body is relative are respectively equipped with a chute; be equipped with a pulley that matches in these two chutes; also be provided with the stopping means for the restriction pulley position on described chute; the side that described plate body and chute are adjacent is provided with a box body; the two ends of this box body are concordant with plate body; be provided with a rotating shaft in described box body; in this rotating shaft, cover has a volume diaphragm, and this diaphragm free-ended two corners are connected with two pulleys respectively.
As preferably, described pulley is provided with a handle.
The beneficial effects of the utility model are: the utility model is simple in structure, is provided with diaphragm, and the content on preservation blackboard newspaper that can be intact is provided with rotating shaft and pulley, makes its use faster, more convenient.
Description of drawings
Fig. 1 is structural representation of the present utility model.
In figure: 1, plate body; 2, chute; 3, pulley; 4, stopping means; 5, box body; 6, rotating shaft; 7, diaphragm.
The specific embodiment
Below in conjunction with the accompanying drawings and the specific embodiments the utility model is described in further detail.
Embodiment: as shown in Figure 1, the utility model comprises rectangular plate body 1, the relative both sides of described plate body 1 are respectively equipped with a chute 2, be equipped with a pulley that matches 3 in these two chutes 2, also be provided with the stopping means 4 for restriction pulley 3 positions on described chute 2, the side that described plate body 1 is adjacent with chute 2 is provided with a box body 5, the two ends of this box body 5 are concordant with the both sides of plate body 1, be provided with a rotating shaft 6 in described box body 5, in this rotating shaft 6, cover has a volume diaphragm 7, and this diaphragm 7 free-ended two corners are connected with two pulleys 3 respectively; Described pulley 3 is provided with a handle.
Claims (2)
1. new type blackboard; comprise rectangular plate body; it is characterized in that: the both sides that described plate body is relative are respectively equipped with a chute; be equipped with a pulley that matches in these two chutes; also be provided with the stopping means for the restriction pulley position on described chute; the side that described plate body and chute are adjacent is provided with a box body; the two ends of this box body are concordant with plate body; be provided with a rotating shaft in described box body; in this rotating shaft, cover has a volume diaphragm, and this diaphragm free-ended two corners are connected with two pulleys respectively.
2. new type blackboard according to claim 1, it is characterized in that: described pulley is provided with a handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220607696 CN203019903U (en) | 2012-11-17 | 2012-11-17 | Novel blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220607696 CN203019903U (en) | 2012-11-17 | 2012-11-17 | Novel blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203019903U true CN203019903U (en) | 2013-06-26 |
Family
ID=48643908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220607696 Expired - Fee Related CN203019903U (en) | 2012-11-17 | 2012-11-17 | Novel blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203019903U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497720A (en) * | 2018-05-19 | 2019-11-26 | 杨超 | A kind of blackboard |
-
2012
- 2012-11-17 CN CN 201220607696 patent/CN203019903U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110497720A (en) * | 2018-05-19 | 2019-11-26 | 杨超 | A kind of 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: 20130626 Termination date: 20131117 |