Portable device for primary school mathematics teaching

The utility model relates to the technical field of classroom teaching appliances, in particular to a portable device for primary school mathematics teaching, which comprises a linkage device and a base, the linkage device comprises a display device, a feeding barrel and a driving device, a cavity i...

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Bibliographic Details
Main Authors HE QINQIN, CHEN JIE, CAO RUIPENG, LI WEI, LUO HUCHENG, LI BO, AO ZONGJIE
Format Patent
LanguageChinese
English
Published 09.11.2021
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 relates to the technical field of classroom teaching appliances, in particular to a portable device for primary school mathematics teaching, which comprises a linkage device and a base, the linkage device comprises a display device, a feeding barrel and a driving device, a cavity is arranged in the base and communicated with an inner cavity of a barrel body of the feeding barrel, and the driving device is arranged in the cavity. The display device comprises a display window and a crawler mechanism; the driving device comprises a slider-crank mechanism and a feeding device; the slider-crank mechanism comprises a rotating power source, a connecting rod mechanism and a slider, a shifting block capable of shifting a crawler belt of the crawler belt mechanism is arranged on the rotating power source, and the two ends of the connecting rod mechanism are hinged to the rotating power source and the slider respectively; by means of the connecting rod mechanism and the shifting block which are arrange
Bibliography:Application Number: CN202120403553U