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Bionic non-skid tire pattern groove

A technology of anti-skid tires and grooves, which is applied in the direction of tire tread/tread pattern, tire parts, transportation and packaging, etc., and can solve the problems of increasing the cross-sectional area of ​​tread grooves and increasing tire noise

Inactive Publication Date: 2013-05-15
JIANGSU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, increasing the tread groove cross-sectional area is followed by an increase in tire noise. How to solve the contradiction between tire hydroplaning and noise performance has not yet found an effective way.

Method used

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  • Bionic non-skid tire pattern groove
  • Bionic non-skid tire pattern groove
  • Bionic non-skid tire pattern groove

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0010] Depend on figure 2 It can be seen that the wall shear force at the bottom of the tire tread groove with the non-smooth surface of the V-shaped groove is smaller than that without arrangement, and it is particularly prominent at the bottom of the V-shaped groove. This structure can reduce the flow of rainwater from the tread groove. The resistance encountered when discharging from the tank.

[0011] Depend on image 3 It can be seen that the velocity gradient in the near-wall area of ​​the non-smooth surface of the V-shaped groove is small, and the thickness of the boundary layer is large, thereby reducing the energy loss caused by eddy motion in the boundary layer, achieving the effect of reducing drag, and improving The drainage volume of the pattern groove increases the hydroplaning speed of the tire.

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Abstract

The invention discloses a bionics-based non-skid tire pattern groove. The non-skid tire pattern groove is characterized in that a bionic non-smooth surface structure has effects of stickness reducing and resistance diminishing and can keep the shape and the arrangement of patterns on a tire tread constant, so that the inner wall of the tread pattern groove is provided with the non-smooth surface structure so as to reduce the resistance of rainwater which is discharged from the pattern groove, the water discharge of the tire pattern groove increases, and the water skiing speed of a tire is improved while tire noises do not increase. The pattern groove can improve the security of driving on rainy day and alleviate the contradiction between the water skiing and noises of the tire to a certain extent.

Description

technical field [0001] The invention relates to an anti-skid tire pattern groove, specifically, optimizes the structure of the tire pattern groove by using the concept of bionics, and belongs to the field of automobile parts. Background technique [0002] Hydroplaning phenomenon is a problem that has existed since the birth of radial tires. When a car is running on a road covered with rain, the rainwater between the tire and the ground cannot be removed in time, so the hydroplaning phenomenon occurs when the car is driving on the water film. At this time, the grip performance of the tire is greatly reduced, which seriously affects driving safety. At present, hydroplaning resistance has become an important direction in the development of tires. How to speed up the discharge of rainwater to achieve the purpose of improving hydroplaning resistance is also one of the research focuses of tires. The rational design of the tire pattern is an effective way to increase the critical ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C11/13
Inventor 王国林金梁安登峰应世洲冯耀岭
Owner JIANGSU UNIV
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