Adjustable Kettlebell With Synchronous Load-Bearing Blocks
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Solution Overview
Problem
Existing kettlebells require multiple purchases for different weights, leading to high costs and space occupancy, with inconvenient and potentially hazardous weight adjustment processes.
Innovation Solution
A kettlebell design featuring vertically stacked counterweights with hitching lips and inserting openings, along with an adjusting assembly in the lifting base, allows for convenient and safe weight adjustments by synchronously moving load-bearing blocks and racks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple kettlebells with different weights are purchased to meet different training needs, then the training versatility is improved, but the cost and space occupancy increase
Solution Approach 1:
The kettlebell is divided into a base and multiple detachable counterweights. Each counterweight can be independently attached or detached, allowing the total weight to be segmented and reconfigured. This segmentation enables a single kettlebell base to replace multiple fixed-weight kettlebells, reducing the quantity needed while maintaining training versatility across different weight levels.
Solution Approach 2:
The kettlebell design transitions from a static fixed-weight structure to a dynamic adjustable-weight structure. The counterweights can be dynamically added or removed based on training requirements, allowing the same kettlebell base to adapt to different training phases and intensity levels. This dynamic configuration eliminates the need to purchase multiple static kettlebells.
2Adaptability or versatility
If counterweights are detached to adjust weights on existing kettlebells, then the versatility is improved, but the operation convenience deteriorates and safety hazards increase
Solution Approach 1:
The adjustment mechanism is extracted from the user's manual manipulation and integrated into an automated system. The adjusting assembly automatically detaches counterweights from the base when weight reduction is needed, eliminating the need for users to manually handle heavy counterweights. This extraction of the adjustment function into an automated mechanism greatly improves operation convenience while maintaining weight adjustability.
Solution Approach 2:
The kettlebell system performs self-adjustment through the adjusting assembly that automatically responds to user input. When the user activates the adjustment mechanism, the system autonomously completes the counterweight detachment and reattachment processes, reducing manual intervention and minimizing safety hazards associated with manual weight changes.
3Device complexity
If manual detachment of counterweights is used for weight adjustment, then the structure is simple, but the safety deteriorates due to crushing injuries from falling counterweights
Solution Approach 1:
The adjusting assembly acts as an intermediary mechanism between the user and the counterweights. Instead of users directly manipulating heavy counterweights, the adjusting assembly mediates the weight adjustment process by automatically detaching and reattaching counterweights. This intermediary mechanism eliminates direct user exposure to falling counterweights, thereby improving safety while maintaining relatively simple overall structure.
Data Source
AI summary
Disclosed herein is a kettlebell, including vertically stacked counterweights and a lifting base, wherein two opposite sides of each of the counterweights are provided with hitching lips and inserting openings penetrating through upper and lower surfaces of the counterweight, each of the counterweights is provided with sliding grooves below the hitching lips, the lifting base is internally provided with an adjusting assembly, the adjusting assembly includes first load-bearing blocks and second load-bearing blocks respectively arranged from top to bottom and corresponding to the hitching lips in number, and the first load-bearing blocks and the second load-bearing blocks can sequentially penetrate through the corresponding inserting openings on the layers from top to bottom and horizontally move into the corresponding sliding grooves to be hitched to the counterweights.