Rainwater Box Side Connectors for Clip-Free Modular Assembly
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Solution Overview
Problem
Existing rainwater box assembly methods are time-consuming and require additional parts, such as clips, to connect modular units, which complicates the process of building and securing the structure.
Innovation Solution
The rainwater box features a rectangular upper frame with complementary connection elements on its sides and ends, allowing for easy side-by-side connection without additional parts, with protruding and receiving portions that provide strong engagement while preserving frame strength, and can be integrally formed with the polymer material for durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If modular units with columns and panels are joined together using clips to secure panels, then the structure can be assembled with flexible sizing, but the assembly process becomes time-consuming requiring proper orientation and separate securing pieces
Solution Approach 1:
The connection elements are integrated directly into the side walls of the modular units, merging the connection function with the structural component. This eliminates the need for separate clips and reduces assembly steps while maintaining the ability to connect multiple units in various configurations
Solution Approach 2:
The connection elements are pre-formed as part of the modular unit manufacturing process. The receiving portions and protruding portions are already in place on each unit, so no additional preparation or separate securing components are needed during assembly, significantly reducing assembly time
2Reliability
If additional parts such as clips are used to connect modular units, then secure connection is achieved, but the number of components and assembly complexity increases
Solution Approach 1:
The connection function is merged into the modular units themselves through integrated connection elements. Each unit has receiving portions and protruding portions built-in, eliminating the need for separate clips or fasteners. This reduces the total component count while maintaining reliable connections
Solution Approach 2:
The modular units are self-sufficient with built-in connection capabilities. Each unit can connect to adjacent units using its own integrated connection elements without requiring external fastening components. The units serve their own connection needs, reducing overall system complexity
Data Source
Figure 1A~1B
Figure 1C~1D
Figure 2A~2B
AI summary
A drainage box (10) comprises an upper frame (12) in a rectangular shape with first and second opposing sides (20, 22), first and second opposing ends (24, 26) and an open middle portion between the sides and ends; at least one connection element (40) on each of the first and second opposing sides (20, 22) and first and second opposing ends (24, 26). Each connection element (40) comprises a receiving portion (42) and a protruding portion (44), the receiving portion (42) shaped complementary to the protruding portion (44) such that a frame having a similar connection element can secure to the upper frame (12) by engaging the respective connection elements such that the protruding portion of the connection element of the upper frame fits into the receiving portion of the connection element of the second frame, and the receiving portion of the connection element of the upper frame receives the protruding portion of the connection element of the second frame.