Boat Bracket Segmentation for Electric Component Access
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Solution Overview
Problem
Existing boat propulsion devices with L-shaped brackets face issues due to externally inaccessible spaces between the engine and the bracket, making it unsuitable for attaching electric components and cables.
Innovation Solution
A boat propulsion device with a bracket design that includes a first support portion and a second support portion, where the second support portion is connected to the engine at a position spaced away from both ends, creating a large externally accessible space for electric component attachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the L-shaped bracket extends sideward to enlarge the attachment area for electric components, then the attachment area is increased, but a space is produced between the engine and the bracket that is externally inaccessible
Solution Approach 1:
The bracket is divided into a first support portion and a second support portion that are positioned apart from each other. The first support portion attaches to the engine while the second support portion extends sideward to provide attachment area. This segmentation allows the bracket to maintain both engine attachment functionality and external accessibility by separating the support functions into distinct portions.
Solution Approach 2:
The bracket transitions from a conventional single-plane L-shape to a three-dimensional structure with the second support portion extending in a direction away from the engine. This dimensional change creates an externally accessible space while maintaining the attachment area, allowing electric components to be mounted on the extended portion without blocking external access to the engine area.
2Ease of operation
If the bracket is designed to provide external accessibility for electric components, then ease of operation is improved, but the structural support strength may be compromised
Solution Approach 1:
The bracket structure is segmented into a first support portion for engine attachment and a second support portion for component mounting. Each portion is designed to bear specific loads, with the first portion providing structural support and the second portion providing accessible mounting surface. This segmentation allows optimization of both accessibility and support strength by distributing structural functions.
Solution Approach 2:
Different portions of the bracket are designed with different properties: the first support portion is optimized for structural strength and engine attachment, while the second support portion is optimized for providing accessible mounting surface. This local differentiation allows each region to perform its specific function optimally without compromising overall bracket performance.
Data Source
AI summary
A boat propulsion device includes an engine, a first bracket, and a first electric component. The engine includes a crankshaft extending in an up-and-down direction. The first bracket is fixed to the engine. The first electric component is attached to the first bracket. The first bracket includes a first support portion and a second support portion. The first support portion includes a first lateral surface and a second lateral surface. The first electric component is attached to the first lateral surface. The second lateral surface is arranged opposite to the first lateral surface. The second support portion is connected to the second lateral surface in a position spaced away from both ends of the second lateral surface in a top view. The second support portion includes a first coupling portion coupled to the engine.