Accounting bill teaching demonstration device

The invention discloses an accounting bill teaching demonstration device. The accounting bill teaching demonstration device comprises a storage box, and an opening is formed in the upper surface of the storage box; a telescopic oil cylinder is fixedly connected to the interior of the storage box; th...

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Bibliographic Details
Main Author MIAO CUIPING
Format Patent
LanguageChinese
English
Published 30.10.2020
Subjects
ADVERTISING
APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE
CRYPTOGRAPHY
DIAGRAMS
DISPLAY
EDUCATION
EDUCATIONAL OR DEMONSTRATION APPLIANCES
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
GLOBES
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
PLANETARIA
SEALS
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Summary:The invention discloses an accounting bill teaching demonstration device. The accounting bill teaching demonstration device comprises a storage box, and an opening is formed in the upper surface of the storage box; a telescopic oil cylinder is fixedly connected to the interior of the storage box; the upper surface of a piston rod of the telescopic oil cylinder is fixedly connected with a lifting plate; the lifting plate slides up and down along the inner wall of the storage box; a lifting rod is fixedly connected to the upper surface of the lifting plate; a lifting plate is fixedly connected to the upper surface of the lifting rod; the lifting plate slides up and down along the inner wall of the storage box; a support is fixedly connected to the upper surface of the lifting plate, a camerais fixedly connected to the wall of the support, two rack plates are fixedly connected to the upper surface of the lifting plate, two rotating shafts are rotatably limited to the inner wall of the storage box, and shaft arms
Bibliography:Application Number: CN201910341917