CN203766330U - Multipurpose curtain blackboard - Google Patents
Multipurpose curtain blackboard Download PDFInfo
- Publication number
- CN203766330U CN203766330U CN201420095182.0U CN201420095182U CN203766330U CN 203766330 U CN203766330 U CN 203766330U CN 201420095182 U CN201420095182 U CN 201420095182U CN 203766330 U CN203766330 U CN 203766330U
- Authority
- CN
- China
- Prior art keywords
- curtain
- projecting apparatus
- main body
- blackboard
- curtain blackboard
- 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 belongs to the field of teaching aids, and discloses a multipurpose curtain blackboard. The multipurpose curtain blackboard comprises a curtain blackboard main body, signal projectors, key groups, a cable and a capacitance tablet, and is characterized in that the curtain blackboard main body and the signal projectors are mounted on a wall; the two signal projectors are mounted on the left side and the right side of the curtain blackboard main body respectively; the signal projectors are provided with concave guide rail grooves close to the inner side of the curtain blackboard main body; the key groups are mounted on the signal projectors; and the signal projectors are electrically connected with the capacitance tablet which is fixedly mounted on a tabletop via the cable. The multipurpose curtain blackboard is applicable to different occasions, and has the advantages of simple structure, convenience in use, environmental protection and high efficiency.
Description
Technical field
The utility model belongs to teaching aid field, is specifically related to projectable from the multipurpose curtain blackboard of board.
Background technology
The instruction instrument that teacher and various meetings place are used at present mainly contains two kinds.Be a traditional blackboard, another kind is the projecting apparatus based on projection ppt.But all there is various shortcomings in them.Although blackboard is manufactured simple, cost is lower, and dust pollution is serious, brings long-term serious harm to teaching personnel, and the utmost point does not meet environmental requirement.Although projecting apparatus has solved the harm that blackboard brings, the instruction of can not writing is thereon more stiff, can not excite the interest of paying attention to the class personnel, easily to people, causes vision tired.Especially large morning people also in like the not awake state of waking up, use projecting apparatus to give lectures and easily allow people sleepy, absent-minded.
Utility model content
The utility model is intended to overcome the defect of prior art, and a kind of multipurpose curtain blackboard of communication is provided, easy to use to realize, good visual effect.There is simple in structure, easy to use, environment-friendly high-efficiency.
The technical solution of the utility model is as follows: a kind of multipurpose curtain blackboard, comprise curtain blackboard main body, signal projecting apparatus, button group, cable, electric capacity board, curtain blackboard main body and signal projecting apparatus are installed on body of wall, the curtain blackboard main body left and right sides is separately installed with two signal projecting apparatus, signal projecting apparatus has spill guide-track groove approaching curtain blackboard main body inner side, button group is installed on signal projecting apparatus, and signal projecting apparatus is electrically connected to the electric capacity board being installed on desktop by cable.
Described curtain blackboard main body is projector curtain, and its size is according to different applicable situations and difference, and hangs on wall.
Described signal projecting apparatus is cuboid, and signal projecting apparatus equates with curtain blackboard principal length.
Described spill guide-track groove is perpendicular to the ground.Projector curtain can from top to bottom launch by spill guide-track groove, and can admittedly block projector curtain.
Described button group is comprised of three buttons, and upper button is that curtain launches button, and middle button is that projecting apparatus is released the button, and knob down is that curtain is packed up button.
Compared with prior art, the utlity model has following beneficial effect:
The utility model multipurpose curtain blackboard is applicable to different occasions, simple in structure, easy to use, environment-friendly high-efficiency, make full use of the accuracy of electric capacity board and the practicality of projecting apparatus, both avoided traditional blackboard dust pollution serious, realized good visual effect, overcome again that general projector apparatus can only be read to write and the defect of visual fatigue.The advantages such as replicability is strong, and use occasion is wide.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the curtain blackboard main body of the utility model multipurpose curtain blackboard.
Fig. 2 is the schematic diagram of the electric capacity board of the utility model multipurpose curtain blackboard.
Fig. 3 is the result of use figure of the utility model multipurpose curtain blackboard.
By reference to the accompanying drawings, in the utility model enforcement, the mark of accompanying drawing is as follows:
1-curtain blackboard main body; 2-signal projecting apparatus; 3-button group; 4-guide rail groove; 5-cable; 6-electric capacity board.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described, should be appreciated that preferred embodiment described herein is only for description and interpretation the utility model, and be not used in restriction the utility model.
As shown in Figure 1, Figure 2, Figure 3 shows, a kind of multipurpose curtain blackboard, comprise curtain blackboard main body 1, signal projecting apparatus 2, button group 3, cable 5, electric capacity board 6, curtain blackboard main body 1 and signal projecting apparatus 2 are installed on body of wall, described curtain blackboard main body is projector curtain, its size is according to different applicable situations and difference, and hangs on wall.Curtain blackboard main body 1 left and right sides is separately installed with two signal projecting apparatus 2, and described signal projecting apparatus is cuboid, and signal projecting apparatus equates with curtain blackboard principal length.On described signal projecting apparatus, projection lens is installed, for project the signal from board on projector curtain.Signal projecting apparatus 2 has spill guide-track groove 4 approaching curtain blackboard main body inner side, and described spill guide-track groove is perpendicular to the ground.Projector curtain can from top to bottom launch by spill guide-track groove, and can admittedly block projector curtain.Button group 3 is installed on signal projecting apparatus 2, and described button group is comprised of three buttons, and upper button is that curtain launches button, and middle button is that projecting apparatus is released the button, and knob down is that curtain is packed up button.Signal projecting apparatus 2 is electrically connected to the electric capacity board 6 being installed on desktop by cable 5.
The utility model multipurpose curtain blackboard is applicable to different occasions, simple in structure, easy to use, environment-friendly high-efficiency, make full use of the accuracy of electric capacity board and the practicality of projecting apparatus, both avoided traditional blackboard dust pollution serious, realized good visual effect, overcome again that general projector apparatus can only be read to write and the defect of visual fatigue.There is replicability strong, the advantage such as use occasion is wide.
The foregoing is only explanation embodiment of the present utility model; be not limited to the utility model; for a person skilled in the art; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (5)
1. a multipurpose curtain blackboard, comprise curtain blackboard main body, signal projecting apparatus, button group, cable, electric capacity board, it is characterized in that: curtain blackboard main body and signal projecting apparatus are installed on body of wall, the curtain blackboard main body left and right sides is separately installed with two signal projecting apparatus, signal projecting apparatus has spill guide-track groove approaching curtain blackboard main body inner side, button group is installed on signal projecting apparatus, and signal projecting apparatus is electrically connected to the electric capacity board being installed on desktop by cable.
2. multipurpose curtain blackboard according to claim 1, is characterized in that, described curtain blackboard main body is projector curtain.
3. multipurpose curtain blackboard according to claim 1, is characterized in that, described signal projecting apparatus is cuboid, and its length equates with curtain blackboard principal length.
4. multipurpose curtain blackboard according to claim 1, is characterized in that, described spill guide-track groove is perpendicular to the ground.
5. multipurpose curtain blackboard according to claim 1, is characterized in that, described button group is comprised of three buttons, and upper button is that curtain launches button, and middle button is that projecting apparatus is released the button, and knob down is that curtain is packed up button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095182.0U CN203766330U (en) | 2014-03-04 | 2014-03-04 | Multipurpose curtain blackboard |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420095182.0U CN203766330U (en) | 2014-03-04 | 2014-03-04 | Multipurpose curtain blackboard |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203766330U true CN203766330U (en) | 2014-08-13 |
Family
ID=51283568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420095182.0U Expired - Fee Related CN203766330U (en) | 2014-03-04 | 2014-03-04 | Multipurpose curtain blackboard |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203766330U (en) |
-
2014
- 2014-03-04 CN CN201420095182.0U patent/CN203766330U/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: 20140813 Termination date: 20150304 |
|
| EXPY | Termination of patent right or utility model |