CN203046614U - Multifunctional blackboard - Google Patents
Multifunctional blackboard Download PDFInfo
- Publication number
- CN203046614U CN203046614U CN 201220673540 CN201220673540U CN203046614U CN 203046614 U CN203046614 U CN 203046614U CN 201220673540 CN201220673540 CN 201220673540 CN 201220673540 U CN201220673540 U CN 201220673540U CN 203046614 U CN203046614 U CN 203046614U
- Authority
- CN
- China
- Prior art keywords
- panel
- projection screen
- stop sleeve
- transmission rope
- rope
- 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 provides a multifunctional blackboard, and belongs to the field of teaching appliances. The multifunctional blackboard structurally comprises a panel, a supporting rod and a supporting sleeve, wherein the upper end of the supporting rod is connected with the panel, the lower end of the supporting rod penetrates into the supporting sleeve from the upper end of the supporting sleeve and is connected with the supporting sleeve in a sliding mode, fixed pulleys are placed at the upper end and the lower end of one side of the panel, fixed pulleys are arranged at the upper end and the lower end of the other side of the panel, and the fixed pulleys on each of two sides are connected together through a transmission rope. A projection screen is placed on the panel, the left side of the projection screen is connected with one transmission rope through a dragging rope, and the right side of the projection screen is connected with the other transmission rope through a dragging rope. A base is placed at the lower end of the supporting sleeve. Compared with the prior art, the multifunctional blackboard has the advantages of being reasonable in design, simple in structure, convenient to use, multifunctional in one body and the like.
Description
Technical field
The utility model relates to a kind of teaching aid, specifically a kind of multi-functional blackboard.
Background technology
In the educational class of existing school, blackboard is the teaching aid of often using, and blackboard structure is simple, easy to use, is applicable to a lot of occasions; Projecting apparatus also is the aided education apparatus of often using in the course, when needs illustrate explanation to the student, projection screen be need seek separately and blackboard or other place hung over, screen need be hung on the blackboard if the space, classroom is limited, when not using, screen also to again it not removed, so not only allow the people feel loaded down with trivial details, and influenced teaching.Be easy to generate reflective phenomenon during teaching, allow the student watch like this, and existing blackboard and projection screen can't the shift position.
Summary of the invention
Technical assignment of the present utility model is at the deficiencies in the prior art, and a kind of reasonable in design, multi-functional blackboard that result of use is good is provided.
The technical scheme that its technical problem that solves the utility model adopts is:
A kind of multi-functional blackboard, comprise panel, support bar and stop sleeve, post upper is connected with panel, the support bar lower end penetrates from the stop sleeve upper end and is slidingly connected with it, the two ends up and down of panel both sides are respectively arranged with fixed pulley, are connected together by transmission rope between every side fixed pulley up and down; Aforementioned panel is provided with projection screen, and the projection screen left and right sides is connected with aforementioned transmission rope by pulling rope respectively; Aforementioned stop sleeve lower end is provided with base.
A kind of multi-functional blackboard, its projection screen size matches with the panel size.
A kind of multi-functional blackboard, its stop sleeve is provided with height controller, is connected by crossbeam between the stop sleeve, and the base below is provided with universal wheel.
Multi-functional blackboard of the present utility model compared with prior art, the beneficial effect that produces is:
1), have characteristics such as reasonable in design, simple in structure, function admirable, practicality, one is dual-purpose, has made things convenient for teaching, has improved efficiency of teaching, and has reduced teacher's labour intensity.
2), easy for operation, need not seek projection screen in addition, need not to seek in addition screen and hang the place.
Description of drawings
Accompanying drawing 1 is structural representation of the present utility model.
Among the figure: 1, projection screen, 2, fixed pulley, 3, transmission rope, 4, pulling rope, 5, support bar, 6, stop sleeve, 7, crossbeam, 8, universal wheel, 9, base, 10, height controller, 11, panel.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is done following detailed description the in detail.
As shown in drawings, a kind of multi-functional blackboard of the present utility model, its structure comprises panel 11, support bar 5 and stop sleeve 6, support bar 5 upper ends are connected with panel 11, support bar 5 lower ends penetrate from stop sleeve 6 upper ends and are slidingly connected with it, the two ends up and down of panel 11 both sides are respectively arranged with fixed pulley 2, are connected together by transmission rope 3 between every side fixed pulley 2 up and down; Aforementioned panel 11 is provided with projection screen 1, and projection screen 1 left and right sides is connected with aforementioned transmission rope 3 by pulling rope 4 respectively; Aforementioned stop sleeve 6 lower ends are provided with base 9; Its projection screen 1 size matches with panel 11 sizes; Stop sleeve 6 is provided with height controller 10, is connected by crossbeam 7 between the stop sleeve 6, and base 9 belows are provided with universal wheel 8.
By the random position of movable panel 11 of base 9, utilize the height that height controller 10 can control panel 11.When fixed pulley 2 rotated, fixed pulley 2 drove transmission rope 3, and projection screen 1 is rotated with transmission rope 3.During writing words, projection screen 1 is hidden in the back side of panel 11 on panel 11, when needing the projection aided education, can turn to panel 11 fronts to projection screen 1 and carry out the projection demonstration, when not using, projection screen 1 is rotated back into panel 11 back sides again and gets final product.
Its processing and fabricating of multi-functional blackboard of the present utility model is simple and convenient, and processing and fabricating gets final product shown in the by specification accompanying drawing.
Except the described technical characterictic of specification, be those skilled in the art's known technology.
Claims (3)
1. multi-functional blackboard, comprise panel, support bar and stop sleeve, post upper is connected with panel, the support bar lower end penetrates from the stop sleeve upper end and is slidingly connected with it, the two ends up and down that it is characterized in that the panel both sides are respectively arranged with fixed pulley, are connected together by transmission rope between every side fixed pulley up and down; Aforementioned panel is provided with projection screen, and the projection screen left and right sides is connected with aforementioned transmission rope by pulling rope respectively; Aforementioned stop sleeve lower end is provided with base.
2. a kind of multi-functional blackboard according to claim 1 is characterized in that the projection screen size matches with the panel size.
3. a kind of multi-functional blackboard according to claim 1 is characterized in that stop sleeve is provided with height controller, is connected by crossbeam between the stop sleeve, and the base below is provided with universal wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673540 CN203046614U (en) | 2012-12-10 | 2012-12-10 | Multifunctional blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220673540 CN203046614U (en) | 2012-12-10 | 2012-12-10 | Multifunctional blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203046614U true CN203046614U (en) | 2013-07-10 |
Family
ID=48729605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220673540 Expired - Fee Related CN203046614U (en) | 2012-12-10 | 2012-12-10 | Multifunctional blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203046614U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722953A (en) * | 2013-12-26 | 2014-04-16 | 南通大学 | Full-automatic writing blackboard |
| CN106510200A (en) * | 2016-11-30 | 2017-03-22 | 河南机电高等专科学校 | Multifunctional computer online teaching desk |
| CN111559610A (en) * | 2020-05-06 | 2020-08-21 | 安徽文香信息技术有限公司 | A remove and transport and hold bracket for wisdom blackboard |
-
2012
- 2012-12-10 CN CN 201220673540 patent/CN203046614U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722953A (en) * | 2013-12-26 | 2014-04-16 | 南通大学 | Full-automatic writing blackboard |
| CN103722953B (en) * | 2013-12-26 | 2017-02-08 | 南通大学 | Full-automatic writing blackboard |
| CN106510200A (en) * | 2016-11-30 | 2017-03-22 | 河南机电高等专科学校 | Multifunctional computer online teaching desk |
| CN111559610A (en) * | 2020-05-06 | 2020-08-21 | 安徽文香信息技术有限公司 | A remove and transport and hold bracket for wisdom 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: 20130710 Termination date: 20131210 |