Multi-stage supporting flexible adjusting structure for central armrest box of commercial automobile

The utility model discloses a multi-stage supporting flexible adjusting structure for a central armrest box of a commercial automobile, and relates to the technical field of automobile accessories, in particular to the multi-stage supporting flexible adjusting structure for the central armrest box of the commercial automobile, which comprises an armrest box. The armrest box is characterized in that a fixing mechanism is arranged on the armrest box and used for fixing a cup, the fixing mechanism comprises a supporting assembly, the supporting assembly comprises a fixing base arranged in the armrest box, a base is fixed to the top of the fixing base, a supporting plate is installed in the base in a sliding mode, and four protruding strips distributed circumferentially are fixed to the inner wall of the base and used for guiding the supporting plate; and the clamping assembly comprises four clamping arms which are distributed and pivoted on the inner circumference of the outer wall of the supporting plate, so th