Section structure of motorcycle tire

A technology for motorcycle tires and sections, applied in tire parts, tire sidewalls, vehicle parts, etc., can solve problems such as rising fuel consumption and increasing overall tire weight, and achieve the effect of ensuring strength, reducing weight, and ensuring rigidity

Inactive Publication Date: 2017-06-09
QINGDAO HUASHENG RUBBER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] When the tire 10'' is running under the state of reduced internal pressure, it can guarantee to reach the nearest maintenance point, but if the thickness B' of the bead part 2'' is thickened in this way, the overall weight of the tire will increase and the fuel consumption will increase

Method used

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  • Section structure of motorcycle tire
  • Section structure of motorcycle tire
  • Section structure of motorcycle tire

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Embodiment approach

[0021] Such as image 3 , 4 As shown, the present invention discloses a section structure of a motorcycle tire, the vertical direction is radial, and the horizontal direction is axial. The tire 10 includes a tread portion 1, a bead portion 2 and a bead portion 3, and the profile of the bead portion 2 of the tire is adjusted and designed, that is, the tire bead portion 2 is composed of an upper arc line 11 and a lower straight line 12 , the arc line 11 and the straight line 12 form an obtuse angle α, the angle α is set to 140°~160°, so that the bead portion 2 is roughly a broken line, so that the rigidity of the bead portion 2 can be effectively ensured, and the tire 10 Better fitting with the rim 4 to prevent the bead lip 3 from detaching from the rim 4; in addition, the design of the sawtooth pattern 13 is added to the entire circumference of the straight line 12. The sawtooth pattern can be set parallel to the axial or radial direction, and the sawtooth pattern 13 The dept...

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Abstract

A cross-sectional structure of a motorcycle tire, the tire includes a tread portion, a bead portion and a bead portion, wherein the bead portion of the tire is composed of an upper arc line and a lower straight line, and the arc line and the straight line form an obtuse angle Corner, the sawtooth pattern is set on the entire circumference of the straight line, and the rounded corner is set between the bead part and the bead lip part. The bead part of the tire is composed of arc lines and straight lines, so that the bead part is roughly a broken line, which ensures the rigidity of the bead part, makes the tire fit better with the rim, and prevents the problem that the bead part is separated from the rim; The linear part of the bead is designed with a zigzag pattern, which can reduce the weight of the tire as a whole; the rounded design of the bead and bead can prevent stress concentration between the bead and the bead, and ensure the bead Internal strength, when the tire is running under the state of reduced internal pressure, the tire can buckle the rim to improve the air retention performance, so as to reach the nearest maintenance point.

Description

technical field [0001] The invention relates to a motorcycle tire, in particular to a section structure of a motorcycle tire. Background technique [0002] Such as figure 1 As shown, the cross-sectional profile of the existing motorcycle tire 10' generally includes a tread portion 1', a bead portion 2' and a bead portion 3', in order to enhance the bead portion 2', which has a good ability to absorb road impact and vibration features for improved comfort and [0003] For impact performance, the bead portion 2’ is generally designed with an outer convex arc line 11’ and is smoothly connected with the inner convex arc line 12’ of the bead portion 3’, so as to better cooperate with the rim 4’. However, in the tire with this kind of bead portion 2', the rigidity of the bead portion 2' is relatively weak. Since the fitting force between ' and the rim 4' is reduced, there is a problem that the bead portion 3' is easily detached from the rim 4'. [0004] Another example figur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60C13/00
CPCB60C13/00
Inventor 于伟洲孙先斐
Owner QINGDAO HUASHENG RUBBER
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