Folding Table Spring-Lock Frame for Stable Tool-Free Support
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Solution Overview
Problem
Conventional folding tables lack a reliable supporting and fixing structure to prevent leg collapse under unbalanced weights and require tool-assisted assembly, leading to instability and inconvenience during use and storage.
Innovation Solution
A folding table design featuring pivotally connected support sets and a fixing frame with spring members and holders that secure the structure without screws, allowing for easy assembly and disassembly, enhanced stability, and reduced part count.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If folding tables use minimal fixing parts to minimize size and facilitate transportation, then portability is improved, but structural stability deteriorates
Solution Approach 1:
The patent employs dynamic locking mechanisms where support legs can transition between folded and unfolded states, with automatic locking features that engage positioning holes and springs to secure the extended position. This dynamic design allows the table to be compact during transport yet stable during use.
Solution Approach 2:
The positioning holes and spring mechanisms automatically lock the support legs in the extended position when unfolded, eliminating the need for additional fixing parts or assembly steps. The structure self-secures through the engagement of pins with positioning holes and spring pressure, maintaining stability without extra components.
2Ease of operation
If conventional folding tables lack proper supporting and fixing arrangement, then ease of folding is improved, but firmness deteriorates
Solution Approach 1:
The support legs are divided into multiple segments with pivotal connections, allowing easy folding while maintaining structural integrity. The segmentation enables compact folding but requires additional positioning features to ensure firmness when extended.
Solution Approach 2:
Positioning holes are pre-provided at specific locations on the support legs and table board, and spring members are pre-installed to automatically engage with these holes when the legs are extended. This preliminary arrangement ensures firmness is achieved automatically without requiring user intervention during assembly.
3Reliability
If screwing arrangement is used to firmly assemble tables, then structural stability is improved, but convenience deteriorates
Solution Approach 1:
The patent replaces the traditional screwing mechanical system with a spring-based locking mechanism. The spring members automatically engage with positioning holes to secure the support legs, eliminating the need for screws, bolts, or other fastening tools while maintaining structural stability.
Solution Approach 2:
The spring members and positioning holes create a self-securing system that automatically assembles and secures the table structure without requiring user intervention, tools, or multiple assembly steps. The structure self-locks when extended, providing both convenience and stability.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution provides a stable, easy-to-assemble, and compact folding table that reduces transportation costs and space requirements while ensuring the table remains upright under external forces without the need for tools.
Implementation Method 1
at least one spring member inserted in the connecting end, and the spring member projects from the through hole with a pin corresponding to the positioning hole
Data Source
AI summary
A folding table with positioning function is provided. Therein a table board, two support sets pivotally connected and parallel with the table board and a fixing frame pivotally connected with the table board between and perpendicular to the two support sets are included. The two support sets each contain at least one holder having at least one positioning hole at one side thereof and the two support sets can engage with the fixing frame by connecting ends of the fixing frame, wherein the connecting end is inserted with a spring member having a pin movably projecting from a through hole corresponding to the positioning hole and engaging with the positioning hole when the two support sets and the fixing frame are unfolded so as to secure the folding table stably.