Sofa

A new sofa, characterized in that it comprises:

• a left armrest (1) and a right armrest (2), wherein a first mounting base (44) is fixedly arranged respectively on the surfaces of the left armrest (1) and the right armrest (2), a placing groove (57) is opened respectively in the surfaces of the two first mounting bases (44), a second mounting base (52) is fixedly arranged on one side of the left armrest (1), a USB port (55) is arranged on one side of the second mounting base (52), an interface (56) is arranged at the bottom of the left armrest (1) on its other side, and the interface (56) is electrically connected to the USB port (55);
• two first mounting plates (3), wherein one of the first mounting plates (3) is fixedly arranged on one side of the left armrest (1), a mounting rod (11) is fixedly arranged between the other first mounting plate (3) and the right armrest (2), the same second mounting plate (4) is fixed on one end of the two first mounting plates (3) through connectors, a base plate (15) is fixedly arranged respectively on one side of the two first mounting plates (3), and a bearing plate (8) is arranged between the two base plates (15);
• a first backrest (5) and a second backrest (6), wherein the first backrest (5) is fixed to the two first mounting plates (3) through connectors, a first mounting frame (7) is fixedly arranged on one side of the second backrest (6), and the first mounting frame (7) is fixed respectively to one of the first mounting plates (3) and the right armrest (2) through connectors;
• a plurality of supporting mechanisms, wherein the plurality of supporting mechanisms are arranged between the left armrest (1) and the right armrest (2) for supporting the cushions of the sofa;
• an adjusting mechanism, wherein the adjusting mechanism is arranged between the two first mounting plates (3) for adjusting the support mechanisms;
• an folding mechanism, wherein the folding mechanism is arranged between the first mounting plate (3) and the right armrest (2) for adjusting the size of the sofa.