Iron-framed modular seat

An iron-framed modular seat, comprising a modular seat cushion, replaceable modular armrests and a replaceable modular backrest which are detachably arranged on the modular seat cushion;

• wherein a seat frame of the modular seat cushion and a back frame of the modular backrest are made of steel pipes;
• the modular armrest is one of an iron frame armrest, a solid wood armrest and a soft-packed armrest, and the modular armrest comprises two armrest frames;
• when the modular armrest is an iron frame armrest or a soft-packed armrest, the armrest frame is made of a steel pipe, and a foldable table top is installed on at least one side of the armrest frame;
• when the modular armrest is a solid wood armrest, a rattan weave is installed on the armrest frame;
• the seat frame, the back frame and the table top of the modular seat are covered with indoor sponge;
• when the modular armrest is an iron frame armrest or a soft-packed armrest, an indoor sponge is provided on the armrest frame, and the indoor sponge can be removed and replaced with an external drainage sponge;
• steel bars with two spaced apart V-shaped notches are welded to a circumference of the seat frame, a seat cushion cover is provided on an outer side of the seat frame;
• the back frame is installed on an upper rear end of the seat frame, and a plurality of first connecting interfaces are correspondingly provided on the seat frame and the back frame;
• the armrest frames are attached to both sides of the seat frame and the back frame, and a plurality of second connecting interfaces are correspondingly provided on the seat frame and the armrest frames;
• a lower end of the armrest frame is lower than a lower end of the seat frame, so that the armrest frames can be supported on the ground, or the lower end of the armrest frame is flush with the lower end of the seat frame, and a bottom of the seat frame is detachably provided with a plurality of independent support legs, and a plurality of third connecting interfaces are correspondingly provided on the independent support legs and the seat frame.