Billboard device

The invention discloses a billboard device which comprises a base and a billboard frame fittingly connected with the base. a fluorescent tube is arranged in the billboard frame, fixing rods are arranged at the right end of the base, a support is fixedly connected to right sides of the fixing rods, a...

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Bibliographic Details
Main Author WANG JINCHAO
Format Patent
LanguageChinese
English
Published 31.05.2017
Subjects
ADVERTISING
CRYPTOGRAPHY
DISPLAY
DISPLAYING
EDUCATION
LABELS OR NAME-PLATES
PHYSICS
SEALS
SIGNS
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Summary:The invention discloses a billboard device which comprises a base and a billboard frame fittingly connected with the base. a fluorescent tube is arranged in the billboard frame, fixing rods are arranged at the right end of the base, a support is fixedly connected to right sides of the fixing rods, a base is fixedly arranged at the bottom of the support, a connection arm lever is arranged at the right end of the billboard frame, a beveling portion is arranged on the end face of one side of the connection arm lever and away from the billboard frame, a left sliding hole is in the upper end of the connection arm lever between the beveling portion and the billboard frame, an insert cavity used for being fittingly connected with the connection arm lever is arranged in the base, a locked groove is arranged in the base at the upper end of the insert cavity, an inner spiral groove is arranged in the upper end of the locked groove in a communicating manner, a left lock pin inserted in the insert cavity is arranged in t
Bibliography:Application Number: CN201710033376