Interchange device for alternate display of new sand table and old sand table

The utility model discloses an interchanging device for alternately displaying a new sand table and an old sand table. The interchanging device comprises a first rack, a second rack and a first driving mechanism, the second rack is driven by a first driving mechanism, a first tray rack and a second...

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Bibliographic Details
Main Author SONG WEIGUANG
Format Patent
LanguageChinese
English
Published 11.10.2022
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 interchanging device for alternately displaying a new sand table and an old sand table. The interchanging device comprises a first rack, a second rack and a first driving mechanism, the second rack is driven by a first driving mechanism, a first tray rack and a second tray rack are arranged in the second rack, and the first driving mechanism comprises a first motor, a first rotating shaft and a first chain; the first motor is used for driving the first rotating shaft to rotate; a second driving mechanism and a third driving mechanism are arranged on the second rack; the second driving mechanism is used for driving the first tray rack to move. The third driving mechanism is used for driving the second tray rack to move. According to the utility model, the sand tables of the first tray rack and the second tray rack are driven by the second driving mechanism and the third driving mechanism to move up and down, so that the new and old sand tables of the sand tables of the first tray
Bibliography:Application Number: CN202221267991U