Structure for improving unevenness of tire lining

Abstract

The utility model provides a structure for improving unevenness of a tire lining, and belongs to the technical field of tires. The structure for improving the unevenness of the tire lining comprises a tire tread. A plurality of first cap strips are wound on the inner side of the tread, each first cap strip is wound to a tire shoulder of the tread, second cap strips are wound on the left side and the right side of the center of the tread, and the two second cap strips are located at the tops and the bottoms of the first cap strips respectively. The left side and the right side of the central area of the inner side of the sidewall are respectively wound with one more circle of second cap strip, so that the thickness of the material in the central rib area of the tread is increased, and the defect of uneven tire lining is eliminated, and therefore, after one circle of second cap strip is additionally arranged between the left side and the right side of the center of the tread, the phenomena of uneven tire lining and unqualified appearance can be prevented; the load durability of the tire can be improved, and the service life of the tire is prolonged.

Description

Technical Field

[0001] The present application relates to the field of tires, and more specifically, to a structure for improving the unevenness inside the tire tread. Background Art

[0002] A tire is a circular elastic rubber product that is mounted on various vehicles or machines and rolls on the ground. It is usually installed on a metal rim, can support the vehicle body, buffer external impacts, achieve contact with the road surface, and ensure the driving performance of the vehicle. Tires are often used under complex and harsh conditions. When driving, they are subjected to various deformations, loads, forces, and high and low temperatures. Therefore, they must have high load-bearing performance, traction performance, and buffering performance. At the same time, they are also required to have high wear resistance and flex resistance, as well as low rolling resistance and heat generation.

[0003] During the production process of tires, there will be a problem of unevenness inside the tread, which is manifested as a wavy shape in the central area inside the tread. This results in a low passing rate of the tire appearance, affects the service life of the tire, and poses a safety hazard. Utility Model Content

[0004] To make up for the above deficiencies, the present application provides a structure for improving the unevenness inside the tire tread, aiming to improve the problem that the inside of the tire tread is uneven during the production process, which is manifested as a wavy shape in the central area inside the tread, resulting in a low passing rate of the tire appearance, affecting the service life of the tire, and posing a safety hazard.

[0005] An embodiment of the present application provides a structure for improving the unevenness inside the tire tread, including a tread.

[0006] A number of first belt plies are wound around the inside of the tread, and each first belt ply is wound to the shoulder of the tread. Second belt plies are wound on both the left and right sides of the central position of the tread, and the two second belt plies are respectively located at the top and bottom of the first belt plies.

[0007] In a specific implementation, the two second belt plies are respectively wound at 14.9 mm - 15.1 mm from the central position inside the tread.

[0008] In a specific implementation, the second belt ply at the bottom starts to wind from 7.5 mm to the right of the central position inside the tread.

[0009] In a specific implementation, the second belt ply at the top starts to wind from 7.5 mm to the left of the central position inside the tread.

[0010] Beneficial effects: By winding an additional layer of the second belt strip on each of the left and right sides of the central area on the inner side of the tire sidewall, the material thickness of the central rib area of the tread is increased, thereby eliminating the defect of unevenness inside the tire. Therefore, after adding an additional layer of the second belt strip on both the left and right sides of the center of the tread, not only can the unqualified appearance of unevenness inside the tire be prevented, but also the tire load endurance can be improved and the tire service life can be extended. Brief Description of the Drawings

[0011] To more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0012] Figure 1 is a schematic structural diagram of the background technology of the structure for improving the unevenness inside the tire provided by the embodiment of the present application;

[0013] Figure 2 is a schematic structural diagram of the structure for improving the unevenness inside the tire provided by the embodiment of the present application;

[0014] Figure 3 is a schematic structural diagram of the positional relationship between the first belt strip and the second belt strip provided by the embodiment of the present application;

[0015] Figure 4 is a schematic structural diagram of the winding steps of the first belt strip and the second belt strip provided by the embodiment of the present application.

[0016] In the figure: 1 - tread; 2 - first belt strip; 3 - second belt strip; a - belt strip spacing distance; b - total winding length; c - winding start point; d - winding end point. Detailed Embodiments

[0017] The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application.

[0018] Please refer to Figures 1 - 4 , the present application provides a structure for improving the unevenness inside the tire, including a tread 1.

[0019] Please refer to Figure 2 , Figure 3 and Figure 4, several first belt strips 2 are wound around the inner side of the tread 1, and each first belt strip 2 is wound to the shoulder of the tread 1. Second belt strips 3 are wound on both the left and right sides of the center position of the tread 1, and the two second belt strips 3 are respectively located at the top and bottom of the first belt strip 2. Among them, by winding one more circle of the second belt strip 3 on both the left and right sides of the center area of the inner side of the tread 1, the material thickness of the center rib area of the tread 1 is increased, thereby eliminating the defect of unevenness inside the tire. Therefore, after adding one more circle of the second belt strip 3 on both the left and right sides of the center of the tread 1, not only can the unqualified appearance of unevenness inside the tire be prevented, but also the tire load endurance can be improved and the tire service life can be extended.

[0020] In this embodiment, the two second belt strips 3 are respectively wound at the positions 14.9 mm - 15.1 mm from the center of the inner side of the tread 1. The second belt strip 3 at the bottom starts winding from 7.5 mm to the right of the center position of the inner side of the tread 1. The second belt strip 3 at the top starts winding from 7.5 mm to the left of the center position of the inner side of the tread 1. Among them, the winding steps of the first belt strip 2 and the second belt strip 3 are as Figure 4 shown as:

[0021] Step 1, starting from the winding starting point c which is 7.5 mm to the right of the center of the tread 1, wind the second belt strip 3 in place for one full circle;

[0022] Step 2, lay the first belt strip 2 flat and wind it to the left edge of the total width of the belt strip with a travel of 16 mm per circle, and the number of winding circles = 1 / 2 of the total width of the belt strip / 16 × 360;

[0023] Step 3, perform a locking behavior on the first belt strip 2 at the left edge for one full circle;

[0024] Step 4, lay the first scraping belt strip 2 flat and wind it to the right edge of the total width of the belt strip with a travel of 16 mm per circle, and the number of winding circles = (total width of the belt strip - 15) / 16 × 360;

[0025] Step 5, perform a locking behavior on the first belt strip 2 at the right edge for one full circle;

[0026] Step 6, lay the belt strip flat and wind it to the left with a travel of 16 mm per circle until it reaches 7.5 mm to the left of the center of the tread 1, and the number of winding circles = 1 / 2 of the total width of the belt strip / 16 × 360;

[0027] Step 7, starting from 7.5 mm to the left of the center of the tread 1, wind the second belt strip 3 in place for one full circle and then it is the winding end point d.

[0028] Through the above 7 winding steps, one more circle of the belt strip is wound on both the left and right sides of the area 15 mm from the center of the tread 1, so as to thicken the material in this area and improve the problem of unevenness inside the tire caused by insufficient thickness at the center of the tread 1.

[0029] The working principle of the structure for improving the unevenness inside the tire tread:

[0030] By winding an additional layer of the second belt strip 3 on both sides of the center area inside the tread 1, the material thickness of the center rib area of the tread 1 is increased, thereby eliminating the defect of unevenness inside the tire tread. Therefore, after adding an additional layer of the second belt strip 3 on both the left and right sides of the center of the tread 1, not only can the occurrence of unqualified appearance of unevenness inside the tire tread be prevented, but also the load endurance of the tire can be improved and the service life of the tire can be extended.

[0031] The above are only examples of the present application and are not intended to limit the protection scope of the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the protection scope of the present application. It should be noted that similar reference numerals and letters represent similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A structure for improving the unevenness of the inner surface of a tire, characterized in that, including a tread (1), a plurality of first belt plies (2) are wound around the inner side of the tread (1), and each of the first belt plies (2) is wound to the shoulder of the tread (1). Second belt plies (3) are wound around both the left and right sides of the center position of the tread (1), and the two second belt plies (3) are respectively located at the top and bottom of the first belt plies (2).

2. The structure for improving the unevenness inside the tire according to claim 1, wherein The two second belt plies (3) are respectively wound at a position of 14.9 mm - 15.1 mm from the center position on the inner side of the tread (1).

3. The structure for improving the unevenness of the inner surface of a tire according to claim 1, characterized in that, The second belt ply (3) at the bottom starts to wind from a position 7.5 mm to the right of the center position on the inner side of the tread (1).

4. A structure for improving the unevenness inside a tire according to claim 1, characterized in that, The second belt ply (3) at the top starts to wind from a position 7.5 mm to the left of the center position on the inner side of the tread (1).

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