Protective Bracket for Battery Theft Prevention
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Solution Overview
Problem
Existing theft prevention techniques for battery-powered working machines, such as those requiring a support or dedicated tools, are not applicable to handheld tools and can lead to unintentional actuation, posing risks of theft and injury.
Innovation Solution
A battery-powered working machine with a protective bracket that secures between the battery pack and casing, keeping connection terminals apart to prevent contact and theft, and featuring a fastening mechanism that requires a tool for removal, along with an impact-absorbing portion to protect against accidental drops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a theft prevention clamp requiring a support and dedicated tool is used, then theft prevention is improved, but device complexity and ease of operation deteriorate
Solution Approach 1:
The protective bracket combines multiple functions into a single component: it acts as both the theft prevention mechanism and the support structure, eliminating the need for separate clamps and supports. The bracket integrates the fastening function directly into the battery pack assembly, simplifying the overall structure while maintaining effective theft prevention.
Solution Approach 2:
The protective bracket serves multiple purposes simultaneously: it prevents theft by securing the battery pack, provides structural support for the connection terminals, and acts as a mounting bracket for the fastener. This multi-functionality eliminates the need for separate dedicated tools and support structures required by conventional theft prevention clamps.
2Reliability
If a theft prevention clamp requiring a dedicated tool is used, then theft prevention is improved, but ease of operation deteriorates
Solution Approach 1:
The protective bracket is designed to be self-contained, with the fastener directly integrated into the bracket structure. The battery pack itself serves as the support structure, eliminating the need for external dedicated tools or support fixtures. Users can operate the fastening mechanism directly on the product without requiring store clerk assistance or special tools.
3Ease of operation
If connection terminals are kept close for easy connection, then ease of operation is improved, but object-affected harmful factors worsen due to risk of unintentional actuation
Solution Approach 1:
The protective bracket acts as an intermediary structure that positions the connection terminals at an optimal distance from each other. This intermediate positioning allows for reliable electrical connection while simultaneously preventing accidental contact between terminals, thus mediating between the need for ease of operation and the need to prevent harmful unintentional actuation.
Data Source
AI summary
Provided is a battery-powered working machine including a protective bracket which is able to be secured to a casing while being in engagement with a battery pack, which is capable of preventing theft of the battery pack, and which separates a casing-side connection terminal from a battery-side connection terminal at a distance to keep the casing-side and battery-side connection terminals and out of contact with each other.