Fire Pit
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Solution Overview
Problem
Existing fire pits processed in one piece require high-cost production equipment and are inconvenient to carry, limiting their application scenarios.
Innovation Solution
A modular fire pit design featuring detachable connection mechanisms, isosceles trapezoidal wall bodies, and a bearing plate with reinforcing ribs, allowing for easy assembly and disassembly, improved fuel combustion efficiency, and enhanced stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the fire pit is processed in one piece, then the structural strength is improved, but the ease of manufacture and ease of operation deteriorate due to high production costs and inconvenience in carrying
Solution Approach 1:
The fire pit is divided into multiple detachable wall bodies that can be assembled together to form the complete structure. Each wall body can be manufactured separately using simpler, lower-cost processes, and then connected through detachable connection mechanisms. This segmentation resolves the contradiction by maintaining structural integrity through proper connection design while enabling easier manufacturing and portability.
2Strength
If the fire pit is processed in one piece, then the structural strength is improved, but the ease of operation deteriorates due to inconvenience in carrying
Solution Approach 1:
The fire pit structure is segmented into multiple detachable wall bodies that can be separated for easy transport and reassembled at the destination. The detachable connection mechanisms allow the wall bodies to be quickly connected and disconnected without requiring special tools or complex procedures, thus maintaining ease of carrying while preserving structural strength when assembled.
3Ease of manufacture
If the fire pit is divided into multiple detachable parts, then the ease of manufacture and ease of operation are improved, but the reliability deteriorates due to potential connection issues
Solution Approach 1:
The detachable connection mechanisms are designed with pre-formed connection structures and positioning features that guide proper assembly. The connection components are manufactured with precise geometries that ensure reliable mating between wall bodies, eliminating the need for complex alignment procedures during assembly and ensuring consistent connection reliability across multiple assembly cycles.
4Ease of operation
If the fire pit is divided into multiple detachable parts, then the ease of operation is improved, but the stability deteriorates due to potential assembly issues
Solution Approach 1:
The connection mechanisms incorporate pre-designed positioning features and alignment guides that automatically orient the wall bodies correctly during assembly. This preliminary geometric configuration ensures that even users with minimal assembly experience can achieve stable, properly aligned connections without requiring specialized knowledge or tools.
Data Source
AI summary
A fire pit includes a plurality of detachable connection mechanisms, a plurality of wall bodies, a pressing frame, and a bearing plate. The wall bodies surround to form a chamber. The two adjacent wall bodies are connected to each other through the detachable connection mechanism. The pressing frame surrounds to form an opening that communicates with the chamber. The pressing frame is located at an upper portion of the chamber and provides a first horizontal force to push against the wall bodies. The bearing plate is adapted to bearing fuel placed in the chamber. The bearing plate is provided with a plurality of through holes that communicate with the chamber. The bearing plate is located at a lower portion of the chamber and provides a second horizontal force to push against the wall bodies.