Module combination type education subject propaganda device

The utility model belongs to the technical field of propaganda devices, and particularly discloses a module combination type educational subject propaganda device which comprises a main template, an expansion template, a connecting plate and a supporting rod, and fixing structures are arranged at th...

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Bibliographic Details
Main Author WU KAIRUO
Format Patent
LanguageChinese
English
Published 02.08.2024
Subjects
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
LABELS OR NAME-PLATES
PHYSICS
SEALS
SIGNS
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Summary:The utility model belongs to the technical field of propaganda devices, and particularly discloses a module combination type educational subject propaganda device which comprises a main template, an expansion template, a connecting plate and a supporting rod, and fixing structures are arranged at the corners of the main template and the expansion template. The fixing structure comprises a clamping groove, a movable groove, positioning rods, springs, a sliding plate and fixing insertion rods arranged on the sliding plate, the clamping groove is located in the side edge of the movable groove, the positioning rods are symmetrically arranged in the movable groove and fixed in the movable groove, the sliding plate is slidably connected to the positioning rods, and the outer side of each positioning rod is sleeved with the corresponding spring; clamping plates are symmetrically arranged at the ends of the connecting plates, fixing insertion holes are formed in the clamping plates, the clamping plates are clamped in
Bibliography:Application Number: CN202322917287U