All-steel-cord tube-type radial tire with bead filler arranged outside
A radial tire and apex technology, applied in tire parts, tire edges, transportation and packaging, etc., can solve problems such as severe wear and large bending deformation, and achieve the effect of improving service life and eliminating wear problems.
Active Publication Date: 2015-02-18
王友善
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Problems solved by technology
Although the bead structure of this kind of tire is special, it has no steel wire cloth, and the end of the carcass turn-up is close to the outside of the carcass cord, which can effectively avoid the problem of stress concentration at the end of the carcass cord turn-up. The inner tube radial tire with all-steel apex rubber outside adopts the bead slimming design. The thickness of the tire bead is thin, and the bending deformation of the tire is large during driving. There is a ring-shaped area with a width of only about 20mm on the surface near the edge of the contact area. With each rotation of the tire, it contacts and separates from the rim rim once. During this rapid and frequent contact and separation process, the width of the bead surface is only 20mm Sliding and friction between the rubber parts in the left and right annular areas and the rim flange will inevitably lead to severe wear and tear, leading to early damage to the tire
Method used
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[0013] The present invention will be described in further detail below in conjunction with the accompanying drawings: the present embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation is provided, but the protection scope of the present invention is not limited to the following embodiments.
[0014] Such as figure 1 and figure 2 As shown, a radial tire with all-steel wire apex externally placed in this embodiment includes: a carcass cord 1 and a carcass turn-up end 2, and the top of the carcass turn-up end 2 is arranged There is a narrow bead groove 5 or a wide bead groove 9 whose lower edge is positioned at the apex 6 of the curved arc 4 of the edge of the rim profile .
[0015] In this example (see figure 2 and image 3 ), the position of the lower edge of the groove is set at the vertex 6 of the rim contour edge curve arc 4, and the outer edge point of the carcass turnup end 2 is used as the center to ...
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The invention provides an all-steel-cord tube-type radial tire with bead filler arranged outside and belongs to the technical field of tube-type radial tires. The tube-type radial tire comprises a carcass ply and a carcass turn-up end, wherein a narrow groove or a wide groove of a tire bead is formed above the carcass turn-up end, and the lower edge of the narrow groove or the wide groove of the tire bead is located at the apex of a rim contour edge curve arc. According to the all-steel-cord tube-type radial tire with the bead filler arranged outside, the groove is designed near the upper side of the carcass turn-up end of the tire bead, and the lower edge of the groove forms a boundary which can determine whether the side of the tire bead and a rim are contacted or not. During usage of the tire, the part below the lower edge of the groove is always closely contacted with the rim, and the surface of the groove is prevented from being contacted with the rim edge due to the design of the groove, so that the problem of wear of surface rubber parts on the side of the tire bead is fundamentally solved, and the service life of the tire is greatly prolonged.
Description
technical field [0001] The invention relates to a radial tire with inner tube with all-steel wire apex outside, and belongs to the technical field of radial tire with inner tube. Background technique [0002] The inner tube radial tire with all-steel wire apex on the outside is installed and used in conjunction with ordinary standard rims. Although the bead structure of this kind of tire is special, it has no steel wire cloth, and the end of the carcass turn-up is close to the outside of the carcass cord, which can effectively avoid the problem of stress concentration at the end of the carcass cord turn-up. The inner tube radial tire with all-steel apex rubber outside adopts the bead slimming design. The thickness of the tire bead is thin, and the bending deformation of the tire is large during driving. There is a ring-shaped area with a width of only about 20mm on the surface near the edge of the contact area. With each rotation of the tire, it contacts and separates from ...
Claims
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IPC IPC(8): B60C15/04
Inventor 王友善
Owner 王友善