Adjusting device of automobile air outlet

The invention provides an adjusting device of an automobile air outlet. The adjusting device comprises an air outlet base and an air outlet adjusting part. A cavity is formed in the air outlet base; and an air inlet and an air outlet are arranged at two ends of the cavity; the air outlet adjusting part comprises an up-and-down adjusting assembly, the up-and-down adjusting assembly comprises a flowguide sliding block, and the flow guide sliding block is arranged in the cavity and moves in the cavity in the vertical direction; the flow guide sliding block moves between the upper position wherethe upper side face abuts against the inner side of the upper wall of the cavity and the lower position where the lower side face abuts against the inner side of the lower wall of the cavity in the vertical direction. The air direction is controlled through the flow guide sliding block and the internal structure is optimized to guarantee that the total area of outlet air is unchanged, so that theair outlet flow is not weak