Reinforced horizontal driving mechanism used for automobile electric seat

The utility model aims to provide a reinforced horizontal driving mechanism used for automobile electric seat, which is high in intensity, easy in installation and low in cost. In order to achieve the aim, the reinforced horizontal driving mechanism comprises a reduction box, a worm, a worm wheel, a screw rod, a front bracket and a rear bracket, wherein the worm is embedded in the reduction box and is supported by a bearing; the worm wheel is supported by a bearing and is engaged with the worm; the screw rod is sleeved with the worm wheel at the outer side and in threaded transmission with the worm wheel; the front bracket is connected at the front end of the screw rod; and the rear bracket is connected at the rear end of the screw rod; the driving mechanism further comprises a mounting bracket and a damping sleeve sleeved at the outer side of the reduction box; the bearing for supporting the worm wheel is supported by the damping sleeve; the mounting bracket is sleeved at the outer side of the damping sleeve