SOFA SEAT FRAME, SOFA BASE ASSEMBLY, SOFA, AND SOFA PRODUCTION AND ASSEMBLY PROCESS

摘要

A sofa seat frame (1), a sofa base assembly having the sofa seat frame (1), a sofa, and a sofa production and assembly process. The sofa seat frame (1) comprises two cross beams (12) which are spaced apart and two longitudinal beams (11) which connect the two cross beams (12); a plurality of bearing elastic pieces (13) are provided between the two cross beams (12); the longitudinal beams (11) comprise first bearing plates (111) used for bearing a cushion and first side plates (112) respectively provided on one side of each of the lower parts of the first bearing plates (111) and adapted to be detachably connected to a sofa surface material on the cushion. When the cushion is placed on the bearing elastic pieces (13), the first bearing plates (111) can provide a certain supporting force for the cushion, so as to improve the sitting comfort of a user; during assembly of the sofa surface material, the sofa surface material on the cushion can be connected to the sofa seat frame (1) as long as bars are provided at the edges of the sofa surface material and then the bars are engaged with the lower edges of the first side plates (112) on the longitudinal beams (11).