Support mechanism

The utility model relates to a support mechanism, its characterized in that: including the arm -tie, the bearing bar, first moving part, the second moving part, bracing piece and gag lever post, the arm -tie lower part is equipped with the atress hole, arm -tie top fixed connection bearing bar, first moving part has two difference fixed mounting in the bearing bar left and right sides, first moving part bottom is equipped with the arc guide rail, two second moving parts of the articulated installation of side around single the first moving part below, second moving part and arc guide rail looks sliding fit, second moving part below cartridge bracing piece, install the gag lever post between two bracing pieces of the left and right sides of homonymy, around being located, the arm -tie lowerpart inclines between two gag lever posts, arm -tie stress belt moves the bearing bar at first moving part, the sliding fit of second moving part rotates down, make the arm -tie, the bearing bar is mutually perpendicular wit