Barbell Snapping Assembly for Independent Weight Adjustment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing weight-adjustable barbells are complex, expensive, and difficult to store, lacking the ability to quickly adjust weight or independently adjust the weight of both ends.
Innovation Solution
A barbell design featuring a lever assembly with snapping assemblies at both ends, allowing for quick adjustment of weight plates that can be snapped together and with the snapping assembly, enabling independent adjustment of each end.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a barbell with adjustable weight is designed to allow quick weight adjustment and independent adjustment of both ends, then the ease of operation and adaptability are improved, but the device complexity increases
Solution Approach 1:
The barbell is divided into independent segments: a lever assembly with snapping assemblies at both ends, and multiple weight plates that can be independently attached. Each snapping assembly operates independently, allowing one-end adjustment without affecting the other end, thereby enabling quick and independent weight adjustment while maintaining relatively simple individual component structures
Solution Approach 2:
The snapping assemblies incorporate elastic components (springs) that enable dynamic locking and unlocking mechanisms. The elastic elements allow the snapping portions to flex during the adjustment process and automatically lock into place, providing quick adjustment without complex mechanical operations while maintaining structural simplicity
2Ease of operation
If a barbell with adjustable weight is designed to allow quick weight adjustment, then the ease of operation is improved, but the device complexity and cost increase
Solution Approach 1:
The snapping assemblies are designed to be self-locking through the interaction of snapping portions and limiting members. Once weight plates are attached, the elastic components automatically engage the locking mechanism without requiring additional fastening steps or complex adjustment procedures, achieving quick adjustment while maintaining simple structure and low cost
Solution Approach 2:
The snapping assembly integrates multiple functions into a single compact structure: the first snapping member, first limiting member, and elastic components work together as one unit. This merging of components reduces the overall number of parts and simplifies the structure while maintaining the quick-adjustment capability
3Strength
If the lever assembly is made large to provide sufficient strength, then the strength is improved, but the ease of storage worsens
Solution Approach 1:
The barbell system is segmented into the lever assembly and separate weight plates. This allows the lever assembly to be optimized for strength with appropriate dimensions, while the weight plates can be independently stored when not in use. The snapping assemblies enable the weight plates to be attached only when needed, effectively solving the storage issue without compromising the lever assembly's strength requirements
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 achieves a simple structure, low cost, and easy storage, with strong adaptability and replaceability of weight plates, allowing for precise weight adjustment suitable for various users.
Implementation Method 1
a pair of first elastic members, where the pair of first elastic members are one-to-one corresponding to the pair of second snapping members, and are disposed between the corresponding second snapping members and the front fixing member or the rear fixing member, for resetting the corresponding second snapping member
Implementation Method 2
a second elastic member, where one end of the second elastic member is connected to the button, and the other end of the second elastic member is connected to the front fixing member, for resetting the button
Data Source
AI summary
Disclosed is a barbell including a lever assembly; a pair of snapping assemblies disposed at two ends of the lever assembly and fixedly connected to the lever assembly, where each of the snapping assemblies comprises a first snapping member and a first limiting member, one end of the first snapping member is provided with a first snapping portion, the other end of the first snapping member is provided with a second snapping portion, the first snapping portion is provided with a first snapping recess, and the first snapping member is fixedly connected to the first limiting member and is fixedly connected to the lever assembly through the second snapping portion, and a plurality of weight plates snapped with each other and snapped with the first snapping portion.