CN202623685U - Extensible teaching drawing board - Google Patents
Extensible teaching drawing board Download PDFInfo
- Publication number
- CN202623685U CN202623685U CN 201220276018 CN201220276018U CN202623685U CN 202623685 U CN202623685 U CN 202623685U CN 201220276018 CN201220276018 CN 201220276018 CN 201220276018 U CN201220276018 U CN 201220276018U CN 202623685 U CN202623685 U CN 202623685U
- Authority
- CN
- China
- Prior art keywords
- panel
- subpanel
- extensible
- drawing board
- teaching
- 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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Abstract
The utility model provides an extensible teaching drawing board, belonging to the field of teaching appliances. The extensible teaching drawing board structurally comprises a panel and a support bracket, wherein the upper end of the support bracket is connected with the rear surface of the panel; the panel comprises a main panel and two secondary panels; one ends of the secondary panels penetrate from two ends of the main panel and are in sliding connection with the main panel respectively; and folding panels are arranged at the other ends of the secondary panels and are connected together through hinges. Compared with the prior art, the extensible teaching drawing board has the characteristics of being reasonable in design, simple in structure and convenient to use, the writing area is increased and the like.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of extensible teaching chart board.
Background technology
For a long time, in teaching, the chalk dust contaminated environment, numerous teachers and students endure the dust injury to the fullest extent, and tuberculosis becomes teacher's occupational disease, also is the No.1 killer of teachers ' health problem.Although people are devoted to develop so-called dust-free chalk always, owing to fundamentally do not change the writing on the blackboard mode of teachers ' teaching,, and write hard painstakingly so so-called in the past dust-free chalk not only has dirt, use extremely inconvenient.The teaching chart board that utilizes liquid pens to write becomes the important apparatus in the teaching gradually.And the chart board size of existing teaching usefulness is all fixed, if usable floor area is not enough, can't continue to write or pinup picture, need the front content written be wiped, if important could not the wiping of the content of front ten minutes, just would let teacher feel awkward.
Summary of the invention
The technical assignment of the utility model is the deficiency to prior art, and a kind of reasonable in design, extensible teaching chart board that result of use is good is provided.
The utility model solves the technical scheme that its technical problem adopted:
A kind of extensible teaching chart board; Comprise panel and bracing frame; The surface is connected behind bracing frame upper end and the panel, and said panel comprises main panel and subpanel, and subpanel is provided with two; Subpanel one end also penetrates from the main panel two ends respectively and is slidingly connected with it, and the said subpanel other end is respectively arranged with folding panel and is connected through loose-leaf with it.
A kind of extensible teaching chart board, its folding panel is identical with subpanel width size.
A kind of extensible teaching chart board, its bracing frame lower end is provided with castor.
The extensible teaching chart board of the utility model compared with prior art, the beneficial effect that is produced is:
The utlity model has characteristics such as reasonable in design, simple in structure, easy to use, function admirable, practicality, operate comparatively simply, use cost is low, can increase to write or the area of pinup picture, avoids teacher to wipe for important written contents and feels awkward; Be convenient to carrying out smoothly of teaching, improved efficiency of teaching.
Description of drawings
Accompanying drawing 1 is the main TV structure sketch map of the utility model;
Accompanying drawing 2 is plan structure sketch mapes of the utility model.
Among the figure: 1, folding panel, 2, subpanel, 3, main panel, 4, bracing frame, 5, castor.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following the detailed description.
Shown in accompanying drawing; The extensible teaching chart board of the utility model, its structure comprises panel and bracing frame 4, the surface is connected behind bracing frame 4 upper ends and the panel; Said panel comprises main panel 3 and subpanel 2; Subpanel 2 is provided with two, and subpanel 2 one ends also penetrate from main panel 3 two ends respectively and are slidingly connected with it, and said subpanel 2 other ends are respectively arranged with folding panel 1 and are connected through loose-leaf with it.Folding panel 1 is identical with subpanel 2 width sizes.Bracing frame 4 lower ends are provided with castor 5.
In the time of obsolete, subpanel 2 is arranged in the main panel 3, and folding panel 1 is folded in subpanel 2 rear portions.Can on main panel 3, write or pinup picture, when main panel 3 usable floor areas are not enough, can use, simultaneously, also can folding panel 1 be turned to subpanel 2 one sides and also write in the above or pinup picture with subpanel 2 extractions and to it.
Extensible its processing and fabricating of teaching chart board of the utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except that the described technical characterictic of specification, be this professional's known technology.
Claims (3)
1. extensible teaching chart board; Comprise panel and bracing frame; The surface is connected behind bracing frame upper end and the panel, it is characterized in that said panel comprises main panel and subpanel, and subpanel is provided with two; Subpanel one end also penetrates from the main panel two ends respectively and is slidingly connected with it, and the said subpanel other end is respectively arranged with folding panel and is connected through loose-leaf with it.
2. a kind of extensible teaching chart board according to claim 1 is characterized in that folding panel is identical with subpanel width size.
3. a kind of extensible teaching chart board according to claim 1 is characterized in that the bracing frame lower end is provided with castor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276018 CN202623685U (en) | 2012-06-13 | 2012-06-13 | Extensible teaching drawing board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220276018 CN202623685U (en) | 2012-06-13 | 2012-06-13 | Extensible teaching drawing board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202623685U true CN202623685U (en) | 2012-12-26 |
Family
ID=47376915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220276018 Expired - Fee Related CN202623685U (en) | 2012-06-13 | 2012-06-13 | Extensible teaching drawing board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202623685U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652667A (en) * | 2017-03-14 | 2017-05-10 | 刘昊天 | Teaching display platform |
| CN106710373A (en) * | 2017-03-14 | 2017-05-24 | 刘昊天 | Display stand for two-side teaching |
| CN109584739A (en) * | 2019-01-16 | 2019-04-05 | 葛成燕 | A kind of LED display |
-
2012
- 2012-06-13 CN CN 201220276018 patent/CN202623685U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106652667A (en) * | 2017-03-14 | 2017-05-10 | 刘昊天 | Teaching display platform |
| CN106710373A (en) * | 2017-03-14 | 2017-05-24 | 刘昊天 | Display stand for two-side teaching |
| CN109584739A (en) * | 2019-01-16 | 2019-04-05 | 葛成燕 | A kind of LED display |
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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: 20121226 Termination date: 20130613 |