Three-Part Power Tool Housing for Secure Battery Pack Integration
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Solution Overview
Problem
Existing power tools lack an efficient housing construction that effectively integrates a removable battery pack and motor, leading to complex assembly and limited design flexibility.
Innovation Solution
A power tool housing composed of three interlocking parts – a first side housing part, a second side housing part, and a top housing part – that form a battery receptacle portion with perpendicular rails to engage a removable battery pack, allowing for efficient assembly and multiple clamping operations, and an electrical connector held between the second and top housing parts for secure power connection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a traditional single-piece housing construction is used, then structural integrity is maintained, but assembly complexity increases and design flexibility is limited
Solution Approach 1:
The housing is divided into three separate parts: a first housing part, a second housing part, and a third housing part. These segmented parts can be assembled together to form the complete housing structure, enabling efficient assembly operations and allowing the battery pack to be securely received within the formed housing cavity.
2Adaptability or versatility
If a removable battery pack is integrated into the housing, then power flexibility is improved, but the housing structure becomes more complex
Solution Approach 1:
The housing parts are designed to perform multiple functions: they form the structural housing enclosure, create the battery receptacle portion, provide mounting surfaces for the battery pack, and establish the overall structural framework. This multi-functionality reduces the need for additional separate components.
3Adaptability or versatility
If multiple housing parts are used to form the battery receptacle, then design flexibility is enhanced, but manufacturing precision requirements increase
Solution Approach 1:
Each housing part is designed with specific local features and characteristics optimized for its particular function. The first, second, and third housing parts each have tailored geometries and engagement features that facilitate precise alignment and secure assembly when combined, with each part contributing its specific local quality to the overall structure.
Data Source
AI summary
A power tool includes a housing. A motor is housed in the housing. A platen is driven by the motor. The housing includes a first housing part, a second housing part and a third housing part. The housing defines a battery receptacle portion configured to receive a removable battery pack which powers the motor. Each of the first housing part, the second housing part and the third housing part form part of the battery receptacle portion.