Power distribution box liner component with adjustable depth

The invention relates to a power distribution box liner component with adjustable depth; the power distribution box liner component comprises a liner mounting bottom plate bracket, four hold-down nuts, four fixing bolts and four springs, wherein the bottoms of the four fixing bolts are respectively welded at the bottom of a power distribution box; the liner mounting bottom plate bracket is provided with mounting holes corresponding to the four fixing bolts; the four springs are respectively sheathed on the four fixing bolts; and the liner mounting bottom plate bracket is arranged on the four fixing bolts, is supported by the springs and is fixed by the hold-down nuts. Compared with the prior art, the technology can realize the adjustable liner depth by adjusting the hold-down nuts and stretching the springs, so that the problem that a liner sinks in the decoration process can be avoided; and the power distribution box liner component is attractive and guarantees the personal safety and the property safety.