Public board with height adjusting function

• Main Authors: YU MINZHANG, YANG QIYONG, YANG SHUTING, YUE YUNHUA, LI XINGGUI, LI LI, ZHANG BAICHUAN, WAN LIPING, ZHAO QIU, TIAN WEN, LONG XINYUE
• Format: Patent
• Language: Chinese; English
• Published: 07.12.2021
• Subjects: ADVERTISING; CRYPTOGRAPHY; DISPLAY; DISPLAYING; EDUCATION; LABELS OR NAME-PLATES; PHYSICS; SEALS; SIGNS

The utility model relates to the technical field of billboards, in particular to a billboard with a height adjusting function, which comprises a support, a nut is spirally connected to the lower end of the inner side of the support, a billboard is slidably connected to the middle of the inner side of the support, and first fixing blocks are fixedly connected to the left end and the right end of the billboard. And the outer side of the first fixing block is rotatably connected with a first roller, and the first folding rod, the second folding rod, the third folding rod, the fourth folding rod, the second roller and the fixing rod are arranged. A sensor is used for sensing weather conditions to control a first motor to drive a second rolling wheel to rotate and control a second motor and a threaded shaft to drive a first folding rod, a second folding rod, a third folding rod and a fourth folding rod to rotate to contract or expand, so that waterproof cloth is expanded or contracted to shade rain and sun, and pe