Interesting English word teaching demonstration device

The utility model discloses an interesting English word teaching demonstration device which comprises a box body. An upper cover of the box body is provided with an opening. A motor, a speed reducing mechanism and a disk straight tooth gear are fixed in the box body. A motor switch button is arrange...

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Bibliographic Details
Main Authors LOU GUOYI, WU DI, QIN YAN
Format Patent
LanguageChinese
English
Published 05.06.2013
Subjects
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
GLOBES
PHYSICS
PLANETARIA
SEALS
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Summary:The utility model discloses an interesting English word teaching demonstration device which comprises a box body. An upper cover of the box body is provided with an opening. A motor, a speed reducing mechanism and a disk straight tooth gear are fixed in the box body. A motor switch button is arranged outside the box body. The motor and the input shaft of the speed reducing mechanism are connected through a coupler. The output shaft of the speed reducing mechanism is connected with a transmission shaft through a second coupler. An upper key of the transmission shaft is connected with the disk straight tooth gear. Cards are respectively inserted into wheel grooves of the disk straight tooth gear. When a card rotates to the top with the disk straight tooth gear, the card stretches out of the box body from the opening on the box body. The interesting English word teaching demonstration device is characterized in that a playback device is arranged on one side of the box body; the playback device comprises a speake
Bibliography:Application Number: CN20122572810U