Section bar for cabinet framework

The utility model discloses a section bar for a cabinet framework. The section bar comprises a first outside plate, a first limiting plate, a first sealing plate, a first inner plate, a second inner plate, a third inner plate, a fourth inner plate, a second sealing plate, a second limiting plate, and a second outside plate fixedly connected in sequence, the plates form a cavity, the first outside plate and the second outside plate are both arranged towards the outside of a cabinet and are provided with a plurality of installing holes along respective length directions, the first inner plate, the second inner plate, the third inner plate and the fourth inner plate are all arranged towards the inner part of the cabinet and are provided with a plurality of sequence holes along respective length directions, the first inner plate and the second inner plate, the second inner plate and the third inner plate, and the third inner plate and the fourth inner plate all form V shapes, an opening of the V shape formed by the second inner plate and the third inner plate is arranged towards the inner part of the cabinet, the first limiting plate and the first sealing plate, and the second limiting plate and the second sealing plate both form V shapes, the openings of the V shapes are arranged towards the cavity, at least a first bending portion is respectively connected between the first limiting plate and the first sealing plate and between the second limiting plate and the second sealing plate, and at least a second bending portion is connected between the third inner plate and the fourth inner plate.