Foldable shelving
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Solution Overview
Problem
Foldable shelving designs face issues with instability and complex assembly due to their fold mechanisms, which hinder their practicality for storage and use.
Innovation Solution
A foldable shelving unit featuring a slider bracket with a latch system that engages a stop on a vertically extending rail, providing a trestle framework for stability and ease of assembly, with a mechanism that auto-latches when unfolding and can be easily folded by releasing the latch and sliding the slider away from the stop.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If foldable shelving uses a fold mechanism to reduce storage space, then the shelving can be collapsed into a smaller form factor, but the shelving becomes unstable and assembly becomes complicated
Solution Approach 1:
The shelving unit employs a dynamic locking mechanism where the slider bracket can transition between locked and unlocked states. When locked, the slider engages with the stop on the vertical rail to stabilize the foldable arm in its extended position, providing structural rigidity. When unlocked, the foldable arm can be collapsed for compact storage. This dynamic state change allows the structure to alternate between stable operational mode and compact storage mode.
Solution Approach 2:
The slider bracket acts as an intermediary element between the foldable arm and the vertical rail. It mediates the connection by providing a locking interface with the stop, allowing the foldable arm to be securely positioned during use while enabling easy collapse when needed. The slider bracket translates the locking action into structural stabilization without requiring complex assembly procedures.
2Stability of the object's composition
If foldable shelving uses a latch mechanism to maintain unfolded position, then the shelving remains stable during use, but the assembly and operation becomes more complicated
Solution Approach 1:
The latch mechanism is designed to engage automatically with the stop on the vertical rail when the foldable arm is extended. The slider bracket self-locks into position through simple engagement of the latch with the stop, eliminating the need for complex assembly procedures. During operation, users simply need to slide the foldable arm to extend or collapse it, and the latch mechanism handles the locking and unlocking automatically, maintaining ease of operation while ensuring stability.
3Weight of moving object
If foldable shelving uses lightweight materials to reduce weight, then the shelving is easier to move and assemble, but the structural strength and stability are reduced
Solution Approach 1:
The structure uses lightweight materials combined with a dynamic locking mechanism that provides structural strength only when needed. The slider bracket with latch and stop creates a rigid locked state during use, compensating for the inherent weakness of lightweight materials. When collapsed for storage, the structure naturally assumes a compact configuration that minimizes material requirements while maintaining adequate strength for handling.
Data Source
AI summary
A foldable shelving unit includes one or more foldable shelves positioned between first and second frame members. A slide rail pivotably couples between the foldable shelves. A stop is fixed to the slide rail and a slide locking mechanism is slidable along the slide rail. The slide locking mechanism includes a latch to latch to the stop to lock the shelving unit in an unfolded configuration and unlatch to slide the slider along the slide rail away from the stop to fold the shelving unit into a folded configuration.