Spoon-Shaped Tire Pattern Blocks for Mud Removal and Rigidity
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Solution Overview
Problem
Existing tire patterns for off-road vehicles face challenges in durability and comfort due to insufficient rigidity of pattern blocks, leading to compromised mud and water removal efficiency and climbing abilities, especially in rough terrains.
Innovation Solution
A tire pattern structure featuring spoon-shaped blocks with interlaced V-shape design, coupled sidewall patterns, and strategically placed recessed blocks to enhance mud removal, water drainage, and rigidity, while maintaining a balance between land ratio and block size to improve handling and climbing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the tire pattern uses larger mud removing channels and lower land ratio to improve mud and water removal performance, then the mud removal capability is improved, but the driving comfortability deteriorates
Solution Approach 1:
The patent applies local quality by creating different pattern configurations in different regions of the tire tread. The tread pattern includes multiple rows of pattern blocks with varying shapes, sizes, and arrangements - some regions have larger voids for mud removal while others have higher land ratio for stability. The shoulder portions have different block configurations compared to the center portions, allowing each region to optimize for its specific function while working together as a unified pattern.
2Productivity
If the tire pattern uses single pattern blocks to increase mud removal channels, then the mud removal capability is improved, but the rigidity of pattern blocks becomes insufficient causing deformation during driving or braking
Solution Approach 1:
The patent applies segmentation by dividing the tread pattern into multiple discrete pattern blocks arranged in different rows and columns. Each pattern block is a separate structural unit with defined dimensions and spacing. This segmentation allows individual blocks to maintain structural integrity and rigidity while collectively forming an effective mud removal pattern across the entire tread surface.
Solution Approach 2:
The patent applies composite material principles by combining pattern blocks of different configurations - including solid blocks, hollow blocks, and blocks with varying internal structures - to create a composite tread pattern system. This composite approach allows the selection of block types that provide both the necessary rigidity for structural stability and the appropriate void spaces for mud removal functionality.
3Productivity
If the tire pattern uses lower land ratio to improve mud and water removal, then the mud removal performance is improved, but the durability of the tire pattern deteriorates
Solution Approach 1:
The patent applies local quality by strategically positioning pattern blocks with different characteristics in different locations. High-durability blocks with higher land ratio are placed in regions experiencing greater stress and wear, while blocks optimized for mud removal are positioned in areas where drainage functionality is prioritized. This spatial variation in block quality allows the pattern to simultaneously achieve durability and mud removal performance.
Data Source
AI summary
A tire pattern structure including a tread pattern and a sidewall pattern is formed by uniformly distributed patterns in the circumferential direction of a tire. The tread pattern is formed by two long spoon-shaped pattern blocks symmetrical with respect to the center of the tire tread and the axial direction of the tire. A spoon-shaped pattern block group is across the center of the tire tread and each interlaced and mapped sideway along the center of the tire tread formed by upper and lower long spoon-shaped pattern block groups. The two spoon-shaped patterns are coupled from a head block to a handle block and bent at the tire shoulder to couple the sidewall pattern formed by the upper and lower sidewall pattern blocks which are formed by a quadrilateral block of two protrusions and three recessed blocks to overcome rough terrains and provide excellent mud and water removing performance.