Bionic Bait Interlocking Rib Design for Sag Prevention
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Solution Overview
Problem
Existing bionic baits lack sufficient support and limiting forces in both longitudinal and transverse directions due to the spacing of their protrusions, leading to sagging and unnatural movement.
Innovation Solution
A bionic bait design featuring ribs with first and second surfaces, each with protrusions and valleys, allowing adjacent ribs to interlock and provide support and limitation in both directions, preventing excessive sagging and enhancing natural movement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If ribs are spaced far apart on the spine sheet, then the bait body can be made simpler and easier to manufacture, but the ribs cannot provide sufficient support and limiting forces to each other, causing the rear half to sag and the swing to become unnatural
Solution Approach 1:
The rib surface is segmented into multiple protrusions and valleys, creating multiple interlocking points between adjacent ribs. This segmentation allows the ribs to provide sufficient support and limiting forces while maintaining a reasonable spacing, resolving the contradiction between ease of manufacture and structural stability.
Solution Approach 2:
The rib structure combines multiple geometric features (protrusions and valleys) to create a composite interlocking mechanism. This composite structure enhances the support and limiting capabilities of the ribs without requiring them to be closer together, thus maintaining ease of manufacture while improving stability.
2Length of stationary object
If the bait body is made longer to increase its size, then it can cover a larger area, but the rear half becomes more prone to excessive sagging and the swing becomes more unnatural due to insufficient rib support
Solution Approach 1:
The segmented rib structure with multiple protrusions and valleys provides distributed support along the length of the bait body. This segmentation allows the bait to be made longer while maintaining structural stability, as each segment of the rib contributes to supporting the increased length without causing excessive sagging.
Solution Approach 2:
The interlocking mechanism extends the support function from a single-dimensional rib structure to a multi-dimensional interlocking system with protrusions and valleys. This dimensional enhancement provides both longitudinal and transverse support, enabling the bait body to be longer while preventing excessive sagging and maintaining natural swing.
3Strength
If protrusions are added to the rib surfaces to create interlocking structures, then support and limiting forces are improved, but the device complexity increases
Solution Approach 1:
The protrusions and valleys are designed with specific geometric parameters (sizes, shapes, distributions) that can be optimized to achieve the required support and limiting forces. By carefully controlling these parameters, the structure gains strength while avoiding excessive complexity in the manufacturing process.
Solution Approach 2:
The protrusions and valleys are strategically positioned at specific locations on the rib surfaces where they are most needed for interlocking and support. This local quality approach ensures that the complexity is concentrated only where necessary to provide strength, rather than uniformly across the entire structure.
Data Source
AI summary
A bionic bait includes a bait body including an imitation trunk including a spine sheet including ribs at each of two opposite lateral surfaces thereof. Each rib extends along a longitudinal direction and has a first surface and a second surface opposite to the first surface in a transversal direction. The first surface has first protrusions and a first valley between every two adjacent ones of the first protrusions. The second surface has second protrusions and a second valley between every two adjacent ones of the second protrusions. The first protrusions of a respective rib can enter into the second valleys of an adjacent rib, and the second protrusions of the adjacent rib can enter into the first valleys of the respective rib. The respective rib allows the adjacent rib to rest thereon. Therefore, the bionic bait in the flow can swing like a live fish.