Advertising brake bar

The invention discloses an advertisement brake bar. A plurality of advertisement pages are connected between a main supporting rod and an auxiliary supporting rod. The first rotating mechanism comprises a first rotating seat fixedly arranged on the main supporting rod and a first page connecting piece fixedly arranged on the advertisement page, a rotating cylinder is upwards arranged in the middle of the first page connecting piece, a first rotating sleeve is arranged outside the rotating cylinder in a threaded sleeving mode, a roller is further arranged at one end of the first page connecting piece, and a second rotating sleeve is further arranged at the other end of the first page connecting piece. And the first rotating seat is provided with an arc-shaped inclined surface relative to the roller. The invention has the advantages of simple structure, no need of extra power and wind resistance. 本发明公开了一种广告闸杆，主撑杆和副撑杆之间连接有多片广告页片；第一转动机构包括固定设置在主撑杆上的第一转座和固定设置在广告页片上的第一页片连接件，所述第一页片连接件中部向上设置有一转筒，所述转筒外螺纹套设有一第一转套，所述第一页片