Adjustable Dumbbell Handle Segmentation and Anti-Slip Grip
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Solution Overview
Problem
Existing adjustable dumbbells have fixed handle lengths and smooth surfaces, leading to instability and slippage during use, potentially causing accidents.
Innovation Solution
An adjustable dumbbell design with adjustable handle lengths and an anti-slip assembly featuring acetic silicone granules and a rubber soft mat to enhance grip, allowing users to customize handle length and reduce slippage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the handle length is fixed, then the structure is simple, but the adaptability to different user needs is poor
Solution Approach 1:
The handle is divided into multiple segments that can be adjusted relative to each other. The connecting plate with multiple positioning holes allows the handle to be segmented and reconfigured, enabling different length adjustments while maintaining a relatively simple overall structure.
Solution Approach 2:
The handle length is made dynamically adjustable through the connecting plate mechanism with positioning holes. Users can change the handle length according to their needs, transforming a static structure into a dynamic one that adapts to different usage scenarios.
2Reliability
If the handle surface is smooth, then the manufacturing is easy, but the grip stability is poor causing slippage
Solution Approach 1:
The anti-slip assembly is applied locally to specific areas of the handle surface rather than the entire handle. This provides enhanced grip stability where needed while keeping the manufacturing process relatively simple, as only specific regions require the additional anti-slip treatment.
Solution Approach 2:
The handle combines different materials or surface treatments - the base handle material with an added anti-slip assembly layer. This composite approach improves grip stability by adding a high-friction surface layer while maintaining the structural integrity and ease of manufacturing the original handle.
3Reliability
If the anti-slip assembly is added, then the grip stability is improved, but the device complexity increases
Solution Approach 1:
The anti-slip assembly is implemented as a localized component rather than a system-wide modification. This concentrates the complexity improvement in a small, manageable area that enhances grip stability without requiring complex integration throughout the entire dumbbell structure.
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 adjustable handle lengths and anti-slip features provide enhanced user control and safety by preventing slippage and accidents, allowing for customizable fit and improved grip.
Implementation Method 1
The granules may be made of an acetic silicone, while the soft mat may be made of a rubber. This can result in an effective increase in friction at the contact area with the user's palm, thereby enhancing the user's grip and lessening the risk of slippage and accident.
Data Source
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AI summary
This utility model relates to the field of dumbbells and, in particular, to an adjustable dumbbell comprising knobs, bridge-shaped blocks, weight plates, a lift assembly, side plates, an anti-slip assembly and sleeves. The number of the weight plates is two, and they are fixedly attached to the opposing ends of the lift assembly. The bridge-shaped blocks and the weight plates are fixedly disposed between the lift assembly and the knobs. Separation of sockets from inserting plates concurs with extraction of a securing bar from a second through hole and from a first through hole. The handle may be then pulled to a desired position by virtue of the movement of locking blocks in respective locking grooves. Subsequently, the securing bar may be again inserted into the first through hole and the second through hole, accomplishing the connection between the sleeve and the connecting plate. In this way, a user can adjust lengths of the handles according to its own needs. An effective increase in friction at the contact area with the user's palm may result from granules made of an acetic silicone and a soft mat made of a rubber, which can enhance the user's grip and lessen the risk of slippage and accident.