Split Iron Frame Door Structure for Reduced Logistics Cost
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Solution Overview
Problem
Conventional iron frame doors with glass are bulky, heavy, and have low light transmittance due to thick frames, making logistics and transportation costly and inefficient.
Innovation Solution
A split iron frame door structure comprising detachable top, middle, and bottom frames made of thin-wall square tubes and flat iron, connected using I-shaped section materials and screws, allowing for individual packaging and assembly on-site, reducing weight and improving light transmittance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the iron frame door is assembled as a whole before leaving the factory, then the structural integrity is ensured, but the packaging size becomes large and transportation cost increases
Solution Approach 1:
The iron frame door is divided into multiple separable components including frame sections, glass panels, and connecting elements that can be packaged individually. This segmentation allows each component to be compactly packaged separately, reducing overall packaging volume and transportation cost while maintaining structural integrity through standardized connection mechanisms.
2Strength
If thick material is used for the frame, then the strength and stability are improved, but the weight increases and light transmittance decreases
Solution Approach 1:
The frame structure utilizes composite construction combining thin metal profiles with strategic reinforcement elements. The main frame members use thin-walled square tubes for reduced weight, while key connection points and support structures incorporate stronger materials or thicker sections only where mechanically necessary, achieving optimal strength-to-weight ratio.
Solution Approach 2:
The frame thickness is optimized locally rather than uniformly throughout. Thinner sections are used in areas requiring light transmittance and weight reduction, while thicker or reinforced sections are positioned at critical load-bearing points and connections, ensuring structural strength is maintained only where required.
3Stability of the object's composition
If thick material is used for the frame, then the structural stability is improved, but the glass area is reduced and light transmittance is lowered
Solution Approach 1:
The frame is segmented into multiple thin profile sections rather than using a single thick frame. This allows the frame to occupy minimal space while providing adequate structural support, thereby maximizing the glass area. The segmented design includes vertical and horizontal mullions that create structural stability without requiring excessive thickness.
4Weight of moving object
If the frame is made lighter with thin-wall tubes, then the weight is reduced and light transmittance is improved, but the manufacturing and assembly complexity increases
Solution Approach 1:
The door is divided into modular sections with standardized connection interfaces. Each segment uses simple thin-wall square tube construction that can be manufactured independently and assembled using standardized connectors and fastening mechanisms, reducing overall assembly complexity despite the segmented design.
Solution Approach 2:
Standardized connection elements and mounting mechanisms are designed to be universal across different door configurations. The same type of connectors, fasteners, and joining methods are used throughout the assembly, simplifying the manufacturing and installation process despite the use of thin-wall tubes and modular construction.
Data Source
AI summary
There provides a split iron frame door structure including top, middle and bottom split frames. A top edge frame and two first side edge frames of the top split frame, two second side edge frames of the middle split frame, and a bottom edge frame and two third side edge frames of the bottom split frame are thin-wall square tubes. Transversely-arranged first and fourth flat-iron edge frames are fixed to the bottom of the top split frame and the top of the bottom split frame, respectively. Transversely-arranged second and third flat-iron edge frames are fixed to the top and the bottom of the middle split frame, respectively. The first and second flat-iron edge frames are detachably connected through a first I-shaped section material and first connecting screws. The third and fourth flat-iron edge frames are detachably connected through a second I-shaped section material and second connecting screws.