Split iron frame door structure

A split iron frame door structure, comprising a top split frame, a middle split frame and a bottom split frame which are detachably connected in sequence from top to bottom, wherein the top split frame comprises two side edge frames, top glass, and a top edge frame which are connected as a whole;

• the middle split frame comprises two side edge frames and middle glass which are connected as a whole;
• the bottom split frame comprises two side edge frames, bottom glass, and a bottom edge frame which are connected as a whole;
• the top edge frame and the two side edge frames of the top split frame, the two side edge frames of the middle split frame and the bottom edge frame and the two side edge frames of the bottom split frame are thin-wall square tube frames;
• a bottom of the top split frame is fixed with a transversely-arranged first flat-iron edge frame;
• a top of the middle split frame is fixed with a transversely-arranged second flat-iron edge frame;
• a bottom of the middle split frame is fixed with a transversely-arranged third flat-iron edge frame;
• a top of the bottom split frame is fixed with a transversely-arranged fourth flat-iron edge frame;
• the first flat-iron edge frame and the second flat-iron edge frame are detachably connected through a first I-shaped section material and a plurality of first connecting screws;
• the first flat-iron edge frame is embedded in one notch of the first I-shaped section material;
• the second flat-iron edge frame is embedded in an other notch of the first I-shaped section material;
• the first flat-iron edge frame, a middle plate of the first I-shaped section material and the second flat-iron edge frame are fixedly connected in sequence from top to bottom through the first connecting screws;
• the third flat-iron edge frame and the fourth flat-iron edge frame are detachably connected through a second I-shaped section material and a plurality of second connecting screws;
• the third flat-iron edge frame is embedded in one notch of the second I-shaped section material;
• the fourth flat-iron edge frame is embedded in an other notch of the second I-shaped section material;
• and the third flat-iron edge frame, a middle plate of the second I-shaped section material and the fourth flat-iron edge frame are fixedly connected in sequence from top to bottom through the second connecting screws.