Size-adjustable advertising board

The utility model is suitable for the technical field of billboards, and provides a size-adjustable billboard which comprises a billboard body, the billboard body comprises a fixed frame, a pair of movable frames movably installed in the fixed frame and a driving mechanism driving the two movable fr...

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Bibliographic Details
Main Authors RONG RONG, RONG JINGGUO, MA QIANRU
Format Patent
LanguageChinese
English
Published 31.03.2023
Subjects
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
LABELS OR NAME-PLATES
PHYSICS
SEALS
SIGNS
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Summary:The utility model is suitable for the technical field of billboards, and provides a size-adjustable billboard which comprises a billboard body, the billboard body comprises a fixed frame, a pair of movable frames movably installed in the fixed frame and a driving mechanism driving the two movable frames to move relatively. The driving mechanism comprises a rotating shaft, a driving gear, a spur rack and a power unit, and by arranging the fixed frame, the movable frames, the rotating shaft, the driving gear, the spur rack and the power unit, when the power unit drives the rotating shafts on the upper face and the lower face of the fixed frame to rotate, the driving gear is meshed with the spur rack, so that the two movable frames move towards the outside or the inside of the fixed frame at the same time; in this way, the display area of the advertising board body is adjusted, the advertising board body can conveniently adapt to advertising boards of different sizes, more market requirements are met, and the pr
Bibliography:Application Number: CN202223359253U