CN201970687U - Blackboard - Google Patents
Blackboard Download PDFInfo
- Publication number
- CN201970687U CN201970687U CN2011200070519U CN201120007051U CN201970687U CN 201970687 U CN201970687 U CN 201970687U CN 2011200070519 U CN2011200070519 U CN 2011200070519U CN 201120007051 U CN201120007051 U CN 201120007051U CN 201970687 U CN201970687 U CN 201970687U
- Authority
- CN
- China
- Prior art keywords
- plate body
- blackboard
- board
- board body
- blind
- 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
A blackboard comprises a board body, a board surface and a dust collection trough, wherein a soft shielding curtain is arranged at the top of the board body, the width of the soft shielding curtain is the same with that of the board body, a fastener at the bottom of the soft shielding curtain is connected with a fastener at the top of the board body, rotating shafts on two sides of the board body are connected with an extension board, a plane mirror is embedded on the surface of the extension board, the dust collection trough is arranged at the bottom of the board body and is a rectangular trough body, and the side surface of the dust collection trough is movably connected with a shield. In the utility model, the board surface can be shielded, back conditions can be observed conveniently during the process of writing on the blackboard, dust can be cleaned up conveniently, and the range of application is wide.
Description
Technical field the utility model relates to a kind of teaching aid.
The background technology modern teaching still adopts the teacher to write the teaching method of writing on the blackboard at blackboard, but existing blackboard structure is more single, can't be according to teaching needs shutter face, and serve as a teacher and be inconvenient to when writing writing on the blackboard observe the rear situation, make troubles to use.
The summary of the invention the purpose of this utility model has provided a kind of can blocking the plate face, the convenient blackboard of observing the rear situation when writing writing on the blackboard.
A kind of blackboard of the utility model, comprise plate body, plate face and ash collection slot, the plate body top is provided with the software blind, software blind width equates that with the plate body width Paste button of software blind bottom can be pasted with the Paste button on plate body top and be connected, and the rotating shaft of plate body both sides connects extension board, level crossing is inlayed on the extension board surface, ash collection slot is positioned at the plate body bottom, is the rectangle cell body, and its side flexibly connects door.
After adopting said structure, when writing writing on the blackboard, the teacher can rotate the extension board of both sides, utilizes the level crossing on it to observe the rear situation, when plate face content needs temporary transient when secret, the software blind can be hung down, shelter from the plate face, finishing using the software blind to be scrolled up with the Paste button stickup on plate body top is connected, the blackboard groove is the rectangle cell body, be convenient to the collection of dust more, during cleaning, only need be opened the side door and get final product.
The utility model compared with prior art has following advantage: can block the plate face, and the convenient rear situation of when writing writing on the blackboard, observing, the easy cleaning dust, applied widely.
Description of drawings Fig. 1 is a stereochemical structure sketch of the present utility model.
The specific embodiment is in stereochemical structure sketch of the present utility model shown in Figure 1, comprise plate body 1, plate face 2 and ash collection slot 3, plate body 1 top is provided with software blind 4, software blind 4 width equate that with plate body 1 width the Paste button of software blind 4 bottoms can be pasted with the Paste button on plate body 1 top and be connected, and plate body 1 both sides rotating shaft connects extension board 5, level crossing 6 is inlayed on extension board 5 surfaces, ash collection slot 3 is positioned at plate body 1 bottom, is the rectangle cell body, and its side flexibly connects door 7.
Claims (1)
1. blackboard, comprise plate body (1), plate face (2) and ash collection slot (3), it is characterized in that: plate body (1) top is provided with software blind (4), software blind (4) width equates with plate body (1) width, the Paste button of software blind (4) bottom can be pasted with the Paste button on plate body (1) top and be connected, the rotating shaft of plate body (1) both sides connects extension board (5), level crossing (6) is inlayed on extension board (5) surface, ash collection slot (3) is positioned at plate body (1) bottom, be the rectangle cell body, its side flexibly connects door (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200070519U CN201970687U (en) | 2011-01-12 | 2011-01-12 | Blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200070519U CN201970687U (en) | 2011-01-12 | 2011-01-12 | Blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201970687U true CN201970687U (en) | 2011-09-14 |
Family
ID=44575792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200070519U Expired - Fee Related CN201970687U (en) | 2011-01-12 | 2011-01-12 | Blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201970687U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638709A (en) * | 2018-07-09 | 2018-10-12 | 周永平 | A kind of PLC teaching platforms |
| CN108944190A (en) * | 2018-07-20 | 2018-12-07 | 佛山科枫文化传播有限公司 | A kind of education auxiliary blackboard |
-
2011
- 2011-01-12 CN CN2011200070519U patent/CN201970687U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108638709A (en) * | 2018-07-09 | 2018-10-12 | 周永平 | A kind of PLC teaching platforms |
| CN108944190A (en) * | 2018-07-20 | 2018-12-07 | 佛山科枫文化传播有限公司 | A kind of education auxiliary 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: 20110914 Termination date: 20120112 |