Pickleball Racket Core Structure for Dent-Resistant Lightweight Play
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Solution Overview
Problem
Existing pickleball rackets suffer from permanent deformation and reduced service life due to unrecoverable dents from prolonged use, compromising their anti-hitting performance and lightweight requirements.
Innovation Solution
A durable pickleball racket design featuring a core board made of homogenous or composite materials, reinforced with struts and a frame structure that includes a honeycomb board and a bearing board, enhancing anti-hitting performance and shock absorption while maintaining lightweight properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Weight of moving object
If polypropylene honeycomb boards are used for the racket panel, then the racket achieves lightweight and shock-absorption effects, but the panel suffers permanent deformation and dents after prolonged use
Solution Approach 1:
The patent applies composite materials by combining polypropylene honeycomb boards with carbon fiber reinforced panels. The honeycomb board provides lightweight and shock-absorption properties, while the carbon fiber reinforced panel adds strength and resistance to permanent deformation. This composite structure resolves the contradiction by integrating materials with complementary properties.
Solution Approach 2:
The racket panel is segmented into multiple functional layers: the polypropylene honeycomb board core for shock absorption and lightweight properties, and outer carbon fiber reinforced panels for structural strength and dent resistance. This segmentation allows each layer to perform its specialized function, resolving the contradiction between lightweight and durability.
2Loss of energy
If the racket panel is made from polypropylene material, then the shock-absorption effect is improved, but permanent deformation occurs after prolonged hitting
Solution Approach 1:
The patent combines polypropylene honeycomb material (for shock absorption) with carbon fiber reinforced composite material (for strength and deformation resistance). The carbon fiber panel acts as a protective shell that prevents the softer polypropylene core from permanent deformation while maintaining the shock-absorption capability.
Solution Approach 2:
Different regions of the racket panel have different material properties: the core maintains soft polypropylene for shock absorption, while the outer surfaces use hard carbon fiber composite for deformation resistance. This local differentiation of material quality allows simultaneous optimization of shock absorption and strength.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The design effectively prolongs the effective hitting time, reduces permanent deformation, and extends the racket's service life by improving resistance to powerful hits and maintaining shock absorption.
Implementation Method 1
The struts are cuboid or cylindrical and each comprise a main part made from a foam material or an ethylene-vinyl acetate copolymer material and a carbon fiber film wrapping the main part
Implementation Method 2
the racket body comprises an upper panel, a lower panel and a honeycomb board sandwiched between the upper panel and the lower panel... improves the shock-absorption effect and reduces the overall weight
Implementation Method 3
The struts are cuboid or cylindrical and each comprise a main part made from a foam material or an ethylene-vinyl acetate copolymer material
Data Source
AI summary
A durable pickleball racket comprises a racket body and a panel, wherein the panel comprises one or two layers attached to one or two sides of the racket body, the racket body comprises a handle portion and a racket portion, the racket portion is fixedly connected to the handle portion and comprises a frame and a core board inlaid in the frame, the core board is a homogenous core board or a composite core board, and a plurality of struts are inlaid in the core board. The durable pickleball racket provided by the invention not only can effectively improve the anti-hitting performance, prolong the effective hitting time, retard or reduce permanent deformation and prolong the service life, but also can resist deformation caused by powerful hitting and satisfy lightweight and shock-absorption requirements, thus being an improved product comprehensively balancing strength and quality.