Electrically powered wheel chair steering control mechanism

The present invention discloses an electric wheelchair steering control mechanism, characterized in that the mechanism comprises a main frame, a steering drive, a first intermediate branched-chain, branched-chain and a second intermediate wheel steering; steering drive means fixed to the frame; first intermediate articulated in an intermediate branched rack, one end of the steering drive means is connected to the other end of the second branched intermediate connector; a second branched intermediate wheel connected to the steering, the steering wheel is hinged on the frame; said by the rear steering drive screw bearing, screw, before the screw bearings, couplings, the front bearing block, a reduction motor, the nut and the rear bearing components; the first branch comprises an upper intermediate web, slider pins and the connecting plate, the second intermediate branch to a main connecting rod and the parallelogram rods of the two sub-connections; the steering wheel by the steering wheel carrier and the steering wheel body composition. The control means of the present invention is accurate, smooth operation, compact structure, easy operation and low cost.