CN203511064U - Duplex teaching blackboard for English multi-media classroom - Google Patents
Duplex teaching blackboard for English multi-media classroom Download PDFInfo
- Publication number
- CN203511064U CN203511064U CN201320662917.9U CN201320662917U CN203511064U CN 203511064 U CN203511064 U CN 203511064U CN 201320662917 U CN201320662917 U CN 201320662917U CN 203511064 U CN203511064 U CN 203511064U
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- blackboard
- rotating shaft
- media classroom
- chain
- simultanous
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Abstract
The utility model relates to a duplex teaching blackboard for an English multi-media classroom. Multi-media teaching is implemented, courseware made by teachers is directly projected on a showing cloth in front of the blackboard by the aid of a projector, and the effective area of writing on the blackboard by the teachers is decreased as almost 1/3 of the blackboard is shielded by the showing cloth. The duplex teaching blackboard for the English multi-media classroom comprises a main blackboard (1), a sliding groove (2) is formed in one side of the main blackboard, a chain (3) is mounted in the sliding groove and connected with a power device, the main blackboard is connected with an electronic sub-screen (5) through a rotating arm group (4), the rotating arm group comprises two arms (7) connected with a rotating shaft (6), arms are respectively provided with a horizontal rotating shaft (8) and a vertical rotating shaft (9), the horizontal rotating shaft is mounted in the sliding groove, and the vertical rotating shaft is mounted on the side face of the electronic sub-screen. The duplex teaching blackboard is applied to English multi-media teaching.
Description
technical field:
the utility model relates to a kind of English multi-media classroom simultanous conducting of lesson blackboard.
background technology:
multimedia teaching is all used in university classroom now, utilize the direct projection of courseware that projector makes teacher to reflecting on cloth before blackboard, but the cloth that reflects of bulk has blocked 1/3 blackboard nearly, has reduced the effective area of teacher's writing on the blackboard on blackboard.And reflecting cloth and can not moving of bulk, is positioned at a position all the time, religion indoor light can cause reflecting cloth generation reflective phenomenon, now some classmate is not seen and please reflect the content of courses on cloth, affects student's learning quality when affecting knowledge-transference quality.
summary of the invention:
the purpose of this utility model is to provide a kind of English multi-media classroom simultanous conducting of lesson blackboard.
above-mentioned object realizes by following technical scheme:
an English multi-media classroom simultanous conducting of lesson blackboard, its composition comprises: main blackboard, a side of described main blackboard has chute, and chain, described chain connecting power device are installed in described chute; Described main blackboard is by full wind-up group connexon electrical screen, and described full wind-up group comprises two arms that are connected with rotating shaft, and described arm is installed respectively horizontal rotating shaft and vertical transfer axle; Wherein, described horizontal rotating shaft is installed in described chute, and described vertical transfer axle is installed on described sub-electrical screen side.
described English multi-media classroom simultanous conducting of lesson blackboard, the arm being connected with described sub-electrical screen also has electric wire box.
described English multi-media classroom simultanous conducting of lesson blackboard, described power set are arranged on the below of main blackboard, and described power set are elected as and are with handled sprocket wheel, and described sprocket wheel connects described chain, to drive the horizontal rotating shaft on chain.
described English multi-media classroom simultanous conducting of lesson blackboard, described power set are arranged on the below of main blackboard, described power set are elected motor as, described motor is arranged in motor box, in described motor box, also there is the reductor being connected with motor output shaft, described reductor connects sprocket wheel, and described sprocket wheel connects chain.
the beneficial effects of the utility model:
1. the utility model being provided with is positioned over the sub-electrical screen blackboard of main blackboard front end, and couple together by the full wind-up group that can rotate and move up and down, and full wind-up group can move up and down by the operation realization of power set, English Instructor just can be presented at the English word that will lecture on sub-electrical screen blackboard like this, and the example sentence of the word of lecturing, dialogue also can show by sub-electrical screen blackboard, save the time of teacher's writing on the blackboard word and example sentence, relative prolongation the hours of instruction of every class, allow Faculty and Students have the time of sufficient study and discussion, improve Classroom Teaching.
2. the full wind-up group of the utility model setting can make sub-electrical screen realize up and down, move left and right, and the content of teacher's writing on the blackboard can not be blocked, and has improved now and has shown the drawback that blackboard was blocked and taken to cloth large area in multi-media classroom.
3. of the present utility model simple in structure, simple to operate.Facilitate teacher to show the content of courses, muscle power expenditure on saving class, is conducive to concentrate the spirit of teaching.
accompanying drawing explanation:
accompanying drawing 1 is the structural representation of the utility model embodiment 3.
accompanying drawing 2 is structural representations of the utility model embodiment 4.
accompanying drawing 3 is structure for amplifying schematic diagrames of the utility model full wind-up group.
the specific embodiment:
embodiment 1:
an English multi-media classroom simultanous conducting of lesson blackboard, its composition comprises: main blackboard 1, a side of described main blackboard has chute 2, and chain 3, described chain connecting power device are installed in described chute; Described main blackboard is by full wind-up group 4 connexon electrical screen 5, and described full wind-up group comprises two arms 7 that are connected with rotating shaft 6, and described arm is installed respectively horizontal rotating shaft 8 and vertical transfer axle 9; Wherein, described horizontal rotating shaft is installed in described chute, and described vertical transfer axle is installed on described sub-electrical screen side.
embodiment 2:
english multi-media classroom simultanous conducting of lesson blackboard described in embodiment 1; the arm being connected with described sub-electrical screen also has electric wire box 10; power line and the video line of the sub-electrical screen of splendid attire in described electric wire box, the effect of playing protection and avoiding power line, video line to be pulled off.
embodiment 3:
english multi-media classroom simultanous conducting of lesson blackboard described in embodiment 1 or 2, described power set are arranged on the below of main blackboard, described power set are elected the sprocket wheel 12 with jug 11 as, and described sprocket wheel connects described chain, to drive the horizontal rotating shaft on chain.
embodiment 4:
english multi-media classroom simultanous conducting of lesson blackboard described in embodiment 1 or 2, described power set are arranged on the below of main blackboard, described power set are elected motor 13 as, described motor is arranged in motor box 14, in described motor box, also there is the reductor 15 being connected with motor output shaft, described reductor connects sprocket wheel 12, and described sprocket wheel connects chain;
described motor box surface has power key and one group of action button, and described operation push-button comprises that speed arranges key, elevating lever and time-out/start button.
Claims (4)
1. an English multi-media classroom simultanous conducting of lesson blackboard, its composition comprises: main blackboard, is characterized in that: a side of described main blackboard has chute, and chain, described chain connecting power device are installed in described chute; Described main blackboard is by full wind-up group connexon electrical screen, and described full wind-up group comprises two arms that are connected with rotating shaft, and described arm is installed respectively horizontal rotating shaft and vertical transfer axle; Wherein, described horizontal rotating shaft is installed in described chute, and described vertical transfer axle is installed on described sub-electrical screen side.
2. English multi-media classroom simultanous conducting of lesson blackboard according to claim 1, is characterized in that: the arm being connected with described sub-electrical screen also has electric wire box.
3. English multi-media classroom simultanous conducting of lesson blackboard according to claim 1 and 2, it is characterized in that: described power set are arranged on the below of main blackboard, described power set are elected as and are with handled sprocket wheel, and described sprocket wheel connects described chain, to drive the horizontal rotating shaft on chain.
4. English multi-media classroom simultanous conducting of lesson blackboard according to claim 1 and 2, it is characterized in that: described power set are arranged on the below of main blackboard, described power set are elected motor as, described motor is arranged in motor box, in described motor box, also there is the reductor being connected with motor output shaft, described reductor connects sprocket wheel, and described sprocket wheel connects chain.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662917.9U CN203511064U (en) | 2013-10-25 | 2013-10-25 | Duplex teaching blackboard for English multi-media classroom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320662917.9U CN203511064U (en) | 2013-10-25 | 2013-10-25 | Duplex teaching blackboard for English multi-media classroom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203511064U true CN203511064U (en) | 2014-04-02 |
Family
ID=50370044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320662917.9U Expired - Fee Related CN203511064U (en) | 2013-10-25 | 2013-10-25 | Duplex teaching blackboard for English multi-media classroom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203511064U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806393A (en) * | 2018-06-29 | 2018-11-13 | 泰山医学院 | A kind of Music education music score writing demonstration device |
-
2013
- 2013-10-25 CN CN201320662917.9U patent/CN203511064U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108806393A (en) * | 2018-06-29 | 2018-11-13 | 泰山医学院 | A kind of Music education music score writing demonstration device |
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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: 20140402 Termination date: 20141025 |
|
| EXPY | Termination of patent right or utility model |