Height-adjustable power supply cabinet

The utility model discloses a power supply cabinet with an adjustable height. Box body, a vertical contraction groove is formed in one section of the box body; a vertical telescopic plate is arrangedon the other section of the box body; the box body is movably connected in a segmented telescopic mode in the vertical telescopic grooves through the vertical telescopic plates. Upper supporting rodsare arranged on the two sides of the box body. A telescopic rod is arranged at the other end of the upper supporting rod, a lower supporting rod is arranged at the other end of the telescopic rod, theupper supporting rod is telescopically and movably connected with the lower supporting rod through the telescopic rod, a fixing block is arranged on the telescopic rod, the fixing block is inserted into the spring groove in a penetrating mode, and the fixing block is elastically, telescopically and movably connected with the spring groove through a spring. A box body of the height-adjustable power supply cabinet is provide