Handrail structure with mounting seat

The invention provides a handrail structure with a mounting seat. The handrail structure comprises the mounting seat, a lower handrail, an outer sleeve and a jackscrew, the mounting seat is connected with a car roof, the outer sleeve is fixed on the mounting seat through the jackscrew, and the function of locking moment of the handrail at any position is realized by rotating the lower handrail pipe and the upper mounting seat through bidirectional threads. Height adjustment in the installation process can be achieved, torque can be locked at any position within the adjustable range, arrangement of an outer cover for shielding installation gaps, staggering of platforms or exposure of exposed nails is omitted, redundant components are omitted for overall structure installation, lightweight design is achieved, the adjusting structure is simple, light, low in cost and short in manufacturing period, use of various components can be met, the handrail structure can be dismounted at any time when not used, and the si