Power Tool Suction Accessory With Integrated Battery Impact Shield
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Solution Overview
Problem
Hand-held power tools with detachable suction devices face battery pack damage from impact pulses due to lack of effective protection, leading to potential destruction and reduced tool functionality.
Innovation Solution
A battery protection element, designed as a plastic or metal component, encloses the battery pack and provides comprehensive protection by forming a trough-shaped receptacle or dust collection container, integrated into the accessory, using a detachable connection for secure attachment, thus safeguarding the battery from impact damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If no battery protection element is provided, then the accessory structure remains simple and cost-effective, but the battery pack is vulnerable to damage from impact pulses
Solution Approach 1:
The battery protection element is integrated into the accessory housing to form a unified structure. The protection element forms a recess in the accessory housing that receives and protects the battery pack, combining protective function with the accessory structure itself rather than adding a separate protective component.
Solution Approach 2:
The accessory housing with integrated protection element is designed to absorb and distribute impact forces before they reach the battery pack. The housing structure acts as a pre-positioned cushioning barrier that protects the battery from impact pulses during tool operation or accidental drops.
2Strength
If a robust battery protection element is added, then impact protection is improved, but the accessory becomes more complex and expensive
Solution Approach 1:
The battery protection element is formed as an integrated recess within the accessory housing rather than as a separate component. This merging of functions allows the housing to serve both structural and protective roles, simplifying manufacturing by reducing part count and assembly steps.
Solution Approach 2:
The accessory housing serves multiple functions: it provides structural support for the accessory, houses internal components, and simultaneously provides impact protection for the battery pack through its integrated protection element design. This multi-functionality reduces the need for additional protective components.
Data Source
AI summary
An accessory, in particular a suction device, for fixing to a hand-held power tool, on which a battery pack can be arranged for supplying power to a drive motor, includes a battery protection element designed to enclose the battery pack arranged on the hand-held power tool at least in sections and to protect the battery pack in the event of impact pulses occurring.