Impact Tool Exchangeable Handle Structure
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Solution Overview
Problem
Conventional impact tools require separate molds and materials for different handle lengths, increasing production costs and material usage due to their monolithic design.
Innovation Solution
An impact tool with an exchangeable handle structure, where the handle is detachably engaged with the main body using a unique engaging mechanism, allowing for different handle types to be mounted on a single main body, reducing material and mold requirements.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If the handle and main body are integrally formed as a monolithic unit, then the structural strength and stability are improved, but two different sets of molds and materials are required for manufacturing different length versions, increasing production cost and material requirements
Solution Approach 1:
The impact tool is divided into two independent segments: a universal main body and an exchangeable handle assembly. The handle assembly includes a handle body, grip, and trigger that can be detached from the main body through a releasing mechanism. This segmentation allows the main body to be manufactured once as a universal component while only the handle assemblies need to be produced in different configurations for various tool lengths, thereby reducing mold and material requirements.
Solution Approach 2:
The main body of the impact tool is designed with universal functionality to work with multiple handle assemblies. The engaging structure on the rear end of the main body includes standardized features (engaging protrusions and corresponding recesses) that can accommodate different handle types. This universality allows a single main body design to serve multiple product variants, reducing manufacturing complexity and cost.
2Stability of the object's composition
If the handle and main body are integrally formed as a monolithic unit, then the structural stability is improved, but more materials and molds are required due to uncommon design for different lengths
Solution Approach 1:
By segmenting the tool into a stable universal main body and variable handle assemblies, the main body can be optimized for structural stability once, while the handles provide the necessary length variations. This eliminates the need to manufacture multiple complete monolithic structures, reducing overall material consumption.
Solution Approach 2:
The design allows for the recovery and reuse of the expensive main body component across multiple handle assemblies. Instead of discarding or remanufacturing entire monolithic tools for different length requirements, only the handles are replaced, effectively recovering the value of the main body for repeated use across product variants.
3Strength
If the handle and main body are integrally formed as a monolithic unit, then the structural integrity is improved, but manufacturing flexibility and adaptability are reduced
Solution Approach 1:
The segmentation into modular components (main body and handle assembly) maintains structural integrity within each component while enabling manufacturing flexibility. The main body retains its structural integrity through optimized design, and the handle assemblies can be independently manufactured and exchanged to create different tool configurations.
Solution Approach 2:
The system transitions from a static monolithic structure to a dynamic modular configuration where handles can be attached and detached. The engaging structure with protrusions and recesses provides a secure connection that maintains structural integrity during use, while allowing rapid reconfiguration for different applications.
Data Source
AI summary
An impact tool having an exchangeable handle structure includes an impact tool main body. A rear-end portion of the impact tool main body forms an engaging portion having two lugs respectively on a top surface and a bottom surface and an annular body on a rear-end surface. Two penetrated portions respectively extend from a top side and a bottom side of the annular body. A left-half part and a right-half part of a front-end portion of a casing cover the lugs and the annular body. A plurality of fixing members respectively passes through the lugs, arm casings formed by the casing, the penetrated portions, and a rear annular casing of the casing. The rear annular casing is connected to a handle having a triggering member. The impact tool main body is detachably engaged with a handle device through the engaging portion.