Adjustable Kettlebell Latch Mechanism for Rapid Weight Change
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Solution Overview
Problem
Conventional adjustable kettlebells are difficult to operate due to the time-consuming process of attaching and detaching weight plates from the central plate, which limits user convenience and efficiency.
Innovation Solution
An adjustable kettlebell device featuring a housing with a chamber and latches that allow weight elements with tubular members and channels to be easily and quickly attached or detached, using a pinion and latch mechanism for quick adjustments, and an auxiliary weight element with a key for additional weight customization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a base is removed or disengaged from the shaft when engaging or disengaging weight plates, then the weight plates can be attached or detached, but it takes time and reduces operational ease
Solution Approach 1:
The latch mechanism automatically engages with the tubular member when the weight element is inserted into the housing, and can be easily disengaged by sliding the latch. This self-latching system eliminates the need for manual base removal or complex engagement procedures, allowing users to quickly attach and detach weight plates without time-consuming operations.
2Adaptability or versatility
If weight plates are fixed to the central plate, then structural stability is maintained, but the weight cannot be adjusted or changed
Solution Approach 1:
The weight element features a latch that can slide between engaged and disengaged positions, transforming the connection from static to dynamic. When engaged, the latch provides stable structural support; when disengaged, the weight element can be removed. This dynamic mechanism enables both weight adjustability and structural stability at different operational states.
Solution Approach 2:
The kettlebell is divided into separable components: the housing, the weight element with tubular member, and the latch mechanism. This segmentation allows the weight element to be independently attached or detached while maintaining structural integrity when assembled, enabling weight adjustment without compromising overall reliability.
3Ease of operation
If a complex retaining arrangement with base and shaft is used, then weight plates can be secured, but the device complexity increases
Solution Approach 1:
The invention extracts and simplifies the retaining function to an essential element: the latch sliding in the chamber. By removing unnecessary components from complex base-shaft arrangements and retaining only the critical latching mechanism, the device achieves ease of operation with minimal complexity.
Solution Approach 2:
The latch serves multiple functions: it secures the weight element to the housing, provides a simple engagement/disengagement mechanism, and guides the weight element into proper position. This multi-functionality reduces the need for separate components, simplifying the overall device while maintaining operational ease.
Data Source
AI summary
An adjustable kettlebell device includes a kettlebell base having a housing formed below a handle, the housing includes a chamber formed by an upper wall and a bottom wall, one or more weight elements each include a tubular member for engaging into the chamber of the housing, and a latch is slidably received in the housing and movable to engage with the tubular members of the weight elements for detachably attaching the tubular member of the weight elements to the kettlebell base. The tubular member includes a channel formed by a rib, and the latch includes a projection for engaging with the channel of the tubular member of the weight elements.