Folding Bed Gear-Lock Structure for Compact Easy Folding
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Solution Overview
Problem
Conventional folding beds have large volumes when folded, are cumbersome to assemble, and difficult to fold, making them inconvenient for use and storage.
Innovation Solution
A folding bed design featuring L-shaped supporting rods, a gear locking mechanism with teeth, and a compressed spring that allows for easy assembly and disassembly, along with a button to facilitate folding, resulting in a compact folded size.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If conventional folding bed designs are used, then the bed can be folded and transported, but the volume after folding is large and assembly is cumbersome
Solution Approach 1:
The folding bed is divided into multiple detachable components including bed sheet, side supporting rods, L-shaped supporting rods, gear mechanisms, and locking members. This segmentation allows each component to be independently optimized and assembled in a modular fashion, reducing the overall folded volume while simplifying the assembly process through standardized connection interfaces.
Solution Approach 2:
The L-shaped supporting rods are designed to nest within each other when folded, with the gear mechanisms and locking members integrated into the rod structures. This nesting arrangement significantly reduces the volume after folding while maintaining structural integrity, and the nested design inherently guides the assembly process.
2Ease of operation
If conventional folding bed designs are used, then the bed provides support functionality, but folding is difficult and time-consuming
Solution Approach 1:
The gear locking mechanism is designed to automatically engage and disengage during the folding and unfolding process. As the L-shaped supporting rods rotate, the gear teeth naturally lock at specific positions without requiring manual intervention, and can be released with a simple action. This self-service mechanism dramatically simplifies the folding operation and reduces the time required.
Solution Approach 2:
The folding mechanism incorporates dynamic elements including rotatable L-shaped supporting rods, movable gear components, and spring-loaded locking members that adapt during the folding process. The dynamic design allows smooth transitions between folded and unfolded states, making the operation intuitive and rapid while maintaining stability when deployed.
3Ease of operation
If the gear locking mechanism is added to enable easy folding, then folding becomes easy, but the device complexity increases
Solution Approach 1:
The gear mechanism serves multiple functions simultaneously: it acts as a locking mechanism to hold the folded position, provides structural support through the gear teeth engagement, guides the folding motion, and can be integrated with the L-shaped supporting rods. This multi-functionality reduces the need for separate components, thereby limiting the increase in overall device complexity despite adding the locking capability.
Solution Approach 2:
The gear locking mechanism is merged with the L-shaped supporting rods and other structural components rather than being a separate add-on. The gear teeth are integrated into the rod structures, and the locking members are combined with the support framework. This merging approach consolidates functions into fewer components, minimizing the increase in device complexity while achieving easy folding.
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 design enables a folding bed with a small volume after folding, convenient assembly, and ease of use, addressing the issues of bulkiness and complexity in existing folding beds.
Implementation Method 1
a compressed spring is arranged between the gear and the gear locking member
Implementation Method 2
a first end articulated to the first side supporting rod
Implementation Method 3
a gear connected to a second end of the first L-shaped supporting rod, and a gear locking member connected to a second end of the second L-shaped supporting rod
Data Source
AI summary
A folding bed is provided, which includes a bed sheet, a first lateral supporting rod connected to a first edge of the bed sheet and a second side supporting rod connected to a second edge of the bed sheet. The folding bed further includes a first L-shaped supporting rod having a first end articulated to the first side supporting rod, a second L-shaped support rod having a first end articulated to the second side supporting rod, a gear connected to a second end of the first L-shaped supporting rod, and a gear locking member connected to a second end of the second L-shaped supporting rod. The gear locking member is provided with teeth which are rotatable in only one direction with respect to teeth of the gear. The folding bed is has a small size after being folded, is convenient to assemble and is easy to fold.