Collapsible Barbell Stand With Parallelogram Folding Mechanism
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Solution Overview
Problem
Existing barbell stands occupy a large area and are inconvenient for home use due to their size and weight, limiting their accessibility for fitness enthusiasts who lack access to professional gyms.
Innovation Solution
A collapsible barbell stand with a parallelogram connecting rod mechanism, featuring elastic latch mechanisms and synchronous gears, allows the stand to fold into a compact form for storage, ensuring stability and ease of use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional barbell stands are designed for stability and functionality, then they provide reliable support for strength training, but they occupy a large area and are heavy in weight
Solution Approach 1:
The barbell stand is divided into multiple independent components: two bottom supporting rods, two column supports, two barbell brackets, and a connecting base. These segmented parts can be folded relative to each other through the connecting rod assemblies, allowing the stand to transition from an expanded stable configuration to a compact folded configuration, thus reducing occupied area while maintaining stability during use
Solution Approach 2:
The connecting rod assemblies create a dynamic parallelogram mechanism that allows the bottom supporting rods to move relative to each other. When unfolded, the rods are positioned to provide stable support; when folded, the rods converge to minimize occupied space. This dynamic adjustment resolves the contradiction between stability and compact storage
2Reliability
If professional gym barbell stands are designed for durability and performance, then they ensure safety and reliability, but they are expensive and only accessible in professional gyms
Solution Approach 1:
By segmenting the structure into modular components connected by simple hinge mechanisms and connecting rods, the design achieves professional-grade stability without requiring expensive solid construction. The modular approach allows for easier manufacturing and assembly, reducing overall cost while maintaining safety through proper structural distribution
Solution Approach 2:
The dynamic folding mechanism using simple connecting rods and hinges provides a cost-effective alternative to expensive fixed professional stands. The mechanism ensures safety during use through its stable parallelogram configuration while keeping manufacturing costs low through the use of simple mechanical components
3Weight of stationary object
If household barbell stands are designed to reduce volume and weight, then they become affordable and easier to transport, but they still occupy significant space when installed
Solution Approach 1:
The stand is segmented into lightweight modular components that can be easily assembled and folded. The bottom supporting rods, column supports, and connecting base are designed as separate elements that fold relative to each other, enabling the stand to occupy minimal space when folded while maintaining adequate weight for stability during exercise
Solution Approach 2:
The dynamic folding capability allows the stand to transition between a compact stored configuration and a stable operational configuration. When folded, the bottom supporting rods converge to minimize occupied area; when in use, they extend to provide the necessary support, thus resolving the contradiction between compact storage and functional stability
Data Source
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AI summary
Provided in the present application is a collapsible barbell stand, comprising: two bottom supporting rods, which are arranged in parallel; two column supports, which are respectively mounted on the two bottom supporting rods; two barbell brackets, which are respectively mounted at the tops of the two column supports; and a connecting base, which is located between the two bottom supporting rods, wherein two sides of the connecting base are connected to the two bottom supporting rods by means of two connecting rod assemblies, such that the connecting base and the bottom supporting rods form a parallelogram connecting rod mechanism by means of the connecting rod assemblies.