Accessory for grip handle with rotating ferrule
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Solution Overview
Problem
Existing grip handle instruments with multiple tools face challenges such as complex construction, high manufacturing costs, significant weight, and inconvenient handling and attachment of accessories, leading to cumbersome designs.
Innovation Solution
A grip handle with an inner housing and a rotating ferrule that allows for removable attachment of accessories, featuring a retaining part and insertion part for secure positioning, along with a pivoting blade and hooking mechanism for efficient storage, reducing weight and enhancing usability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If multiple tools are mounted in rotation on a handle, then the instrument combines several functionalities, but the structure becomes complex and weight increases
Solution Approach 1:
The instrument is divided into a permanent handle and detachable accessory tools. Instead of mounting multiple tools permanently on the handle, each tool is separated and can be attached only when needed, simplifying the handle structure while maintaining functional versatility.
Solution Approach 2:
A single universal handle design with standardized mounting mechanism can accommodate multiple different accessory tools. The handle itself becomes a universal platform that can perform different functions depending on which accessory is attached, rather than requiring separate mounting structures for each tool type.
2Adaptability or versatility
If multiple tools are mounted on a handle, then several functionalities are combined, but the weight of the equipment increases
Solution Approach 1:
The equipment is segmented into a lightweight permanent handle and separate accessory tools that are attached only when needed. This allows the user to carry only the handle with minimal weight, and add specific tools only when their function is required, rather than carrying all tools permanently attached.
Solution Approach 2:
The attachment system allows dynamic configuration of the equipment - tools can be attached and detached based on immediate needs. This dynamic adaptability enables the equipment weight to vary according to the specific task at hand, rather than maintaining a constant high weight to accommodate all possible functions.
3Strength
If accessories are permanently mounted on the handle, then the structure is solid, but the handling and installation of accessories becomes difficult
Solution Approach 1:
The attachment mechanism transitions between two states: a locked state providing solid structural connection during use, and an unlocked state enabling easy attachment and detachment. The mechanism dynamically adapts between these states based on whether the accessory is being installed or used.
Solution Approach 2:
A specialized attachment mechanism acts as an intermediary between the handle and accessory, providing a controlled interface that ensures solid connection when engaged while allowing easy attachment and detachment through a simple releasing action.
4Reliability
If a rotating ferrule is used to block the opening, then the accessory is retained securely, but the structure becomes more complex
Solution Approach 1:
The complex internal blocking mechanism is extracted and replaced by a simple rotating ferrule that covers the opening laterally. Instead of using a complex internal mechanism to prevent accessory removal, the solution extracts the blocking function to a simple rotational cover that can be easily manufactured and assembled.
Data Source
AI summary
An accessory suitable for a removable attachment in a grip handle, in which the handle includes an inner housing formed in an end portion of the grip handle, an opening whose second portion opens onto a lateral side of the grip handle, a rotating ferrule rotating between a blocking position, in which the rotating ferrule at least partly covers the second portion of the opening, and a release position, in which the rotating ferrule releases the second portion of the opening. The accessory includes an assembly portion usable as a removable attachment of the accessory to the grip handle. The assembly portion is inserted into the inner housing, and includes a retaining part that cooperates with the rotating ferrule when the rotating ferrule is in the blocking position so as to retain the assembly portion in the inner housing.