Paddle Board Handle with Wave-Shaped Grip and Threaded Mount
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Solution Overview
Problem
Existing paddle boards have inefficient handle production and short service life, with handles prone to slipping due to flat internal walls, leading to inadequate gripping and durability issues.
Innovation Solution
A method involving a three-layer structure with a core board sandwiched between upper and lower protective layers, featuring a rigid handle molded by injection molding with concave portions for improved grip and a threaded connection for secure attachment, along with pattern layers for enhanced aesthetics and durability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If a flat internal wall handle is used, then the handle structure is simple, but the gripping effect is insufficient and the handle slips off easily
Solution Approach 1:
The handle internal wall is designed with curved wave-shaped convex and concave portions instead of flat surfaces. The wave-shaped structure creates ergonomic contact points that conform to finger contours, improving grip stability and preventing slippage while maintaining manufacturing feasibility through injection molding processes.
2Productivity
If traditional handle production methods are used, then the production process is simple, but the production efficiency is low and service life is short
Solution Approach 1:
The handle material properties are optimized by selecting specific plastic materials with appropriate strength, flexibility, and durability parameters. The injection molding process parameters (temperature, pressure, cooling time) are precisely controlled to produce handles with consistent quality, extended service life, and high production efficiency suitable for mass manufacturing.
Solution Approach 2:
The handle is constructed using composite plastic materials that combine different polymer properties to achieve optimal balance between strength, flexibility, and manufacturability. This allows for durable handles that can be efficiently produced through injection molding while meeting both productivity and reliability requirements.
3Strength
If the handle is embedded without proper connection structure, then the installation is simple, but the connection strength is insufficient
Solution Approach 1:
The handle is pre-formed with integrated connection structures (such as embedded threads or attachment features) during the injection molding process. This preliminary integration ensures strong mechanical connection to the board when installed, while avoiding the need for separate complex connection components, thus maintaining manufacturing efficiency while improving connection strength.
Data Source
AI summary
A method for making a paddle board includes steps of: 1) bonding a lower protective layer and an upper protective layer to a core board, and trimming edges of the upper protective layer so that the edges of the upper protective layer are flatly adhered to edges of the lower protective layer; and 2) arranging a concave portion in a middle position of a top surface of the paddle board, and embedding a handle in the concave portion for carrying the paddle board; wherein a cavity, which is configured to be inserted with fingers, is provided in a middle of the handle. The handle has a long service life as well as a good gripping effect, and prevents fingers from slipping off. The paddle board has a good waterproof performance, a good impact resistance, and a long service life.