CN220639420U

CN220639420U - Puncture-resistant structure of tire sidewall

Info

Publication number: CN220639420U
Application number: CN202322235766.5U
Authority: CN
Inventors: 耿鹏; 刘川; 谢桂莉
Original assignee: Tianjin Wanda Tyre Co Ltd
Current assignee: Tianjin Wanda Tyre Co Ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-22
Anticipated expiration: 2033-08-18

Abstract

The application relates to a tire side is able to bear or endure and is impaled structure belongs to the technical field of tire, and it includes matrix and conventional ply, the matrix divide into tread, tire shoulder, side wall, toe and inner liner, and conventional ply sets up inside the matrix, side wall department is provided with the fibre ply, and the fibre ply is in between inner liner and the conventional ply, and this application has the effect that improves tire life.

Description

Puncture-resistant structure of tire sidewall

Technical Field

The application relates to the technical field of tires, in particular to a puncture-resistant structure of a tire sidewall.

Background

All-terrain vehicles refer to vehicles that can travel on any terrain, and have a variety of uses, and are not limited by road conditions. When an ATV tire is driven under complex and severe conditions, the ATV has high puncture resistance requirements on the tire sidewall.

The conventional tire comprises a tire body and a conventional tire ply, wherein the conventional tire ply is arranged in the tire body, the conventional tire ply is formed by gluing cord fabric strips, the angle of the cord fabric strips of the conventional tire ply is small, the tire body is subjected to pattern design at a tire tread, when the tire walks on a road surface, the tire tread is abutted against the ground, and after a sharp edge substance is encountered, the special pattern design can prevent the sharp edge substance from penetrating through the tire tread.

In the related art as described above, when the tire is run under complex and severe conditions, since the tread structure does not extend to the sidewall portion, the inner individual ply has low resistance to puncture, the sidewall is easily punctured, and the tire is damaged, so that there is a disadvantage in that the service life of the tire is low.

Disclosure of Invention

In order to increase the service life of a tire, the present application provides a tire sidewall puncture resistant structure.

The application provides a tire sidewall puncture-resistant structure adopts following technical scheme:

a puncture-resistant structure of a tire sidewall comprises a carcass and a conventional ply, wherein the carcass is divided into a tread, a shoulder, a sidewall, a toe and an inner liner, the conventional ply is arranged inside the carcass, the fiber ply is arranged at the sidewall, and the fiber ply is arranged between the inner liner and the conventional ply.

Through adopting above-mentioned technical scheme, the setting of fibre ply has increased the thickness of side wall, and when the pointed edge material stings the side wall, fibre ply and conventional ply stop pointed edge material simultaneously, make pointed edge material be difficult for puncturing the side wall, and the tire is not fragile to the life-span of tire has been improved.

Optionally, the fiber ply extends to the shoulder near one end of the tread and extends to the toe away from one end of the tread.

Through adopting above-mentioned technical scheme, the fibre ply wholly includes the side wall, has reduced the problem that the tire side wall was impaled, compares with the whole cladding of matrix simultaneously, has saved the cost of material, can reduce the restriction to the matrix inflation again.

Optionally, the fiber ply is formed by gluing the cord fabric, and the angle of the cord fabric of the fiber ply is selected from 20 degrees to 70 degrees.

By adopting the technical scheme, the angle of the cord fabric of the fiber cord fabric ply specifically refers to the included angle between the cord fabric ply direction and the transverse direction of the tire tread, and the cord fabric of the conventional cord fabric ply and the cord fabric of the fiber cord fabric ply are in cross lap joint, so that the resistance to sharp substances is increased, the sharp substances are not easy to puncture the conventional cord fabric ply and the fiber cord fabric ply, and the puncture resistance of the tire sidewall is improved.

Optionally, the angle of the cord of the fiber ply is 30 to 50 degrees.

By adopting the technical scheme, the angle of the cord fabric of the fiber cord ply is set in the interval range of 30-50 degrees, and then the fiber cord ply is overlapped with the conventional cord ply, so that the blocking effect on the sharp edge substances is further improved.

Optionally, the side of the fiber ply facing the inner liner and the inner liner are adhesively fixed or the side of the fiber ply facing the conventional ply and the conventional ply are adhesively fixed.

By adopting the technical scheme, the fiber ply is adhered to the inner liner layer or the conventional ply, so that the fiber ply is not easy to move randomly between the inner liner layer and the conventional ply.

Optionally, an adhesive tape is adhered to the fiber ply near one end of the tread, and both the conventional ply and the inner liner are adhered and fixed to the adhesive tape.

Through adopting above-mentioned technical scheme, conventional ply and inner liner are both close to tread one end through adhesive tape and fiber ply and are connected for the difficult event emergence that appears delamination of fiber ply in the use.

Optionally, the tread department is provided with first buffer layer, and first buffer layer is in between tread and the conventional ply, and first buffer layer is fixed with both connection.

Through adopting above-mentioned technical scheme, when the tread touched sharp edge material in the in-process that the tire removed, first buffer layer stopped sharp edge material, made sharp edge material be difficult for puncturing the tire, thereby the tire is not fragile has improved the life of tire.

Optionally, the first buffer layer department is provided with the second buffer layer, and the second buffer layer is in between first buffer layer and the conventional ply, and second buffer layer and first buffer layer are connected fixedly, and second buffer layer is towards conventional ply one side and conventional ply connection fixedly, and the opposite both ends of second buffer layer stretch to the tire shoulder department and cladding tire shoulder.

Through adopting above-mentioned technical scheme, the second buffer layer has thickened the thickness of tread, has further improved the puncture resistance ability of tread, and the second buffer layer has thickened the thickness of tire shoulder simultaneously for tire shoulder department is difficult for being pierced by sharp edge material.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the fiber cord fabric is arranged at the side wall, so that the side wall is thickened, the side wall is not easy to puncture, the tire is not easy to damage, and the service life of the tire is prolonged;

2. the fiber ply only integrally comprises the side wall, so that the material cost is saved, and the limit of the fiber ply on the expansion of the carcass under the condition of integral cladding can be avoided;

3. through the setting of adhesive tape, avoid the fibre ply to appear the problem of delaminating in the use.

Drawings

FIG. 1 is a structural cross-sectional view of a tire sidewall puncture resistant structure of example 1 of the present application;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1;

fig. 3 is a schematic structural view showing a difference from embodiment 1 in embodiment 2 of the present application.

In the figure, 1, a carcass; 11. a tread; 12. shoulder; 13. a sidewall; 14. toe; 15. an inner liner layer; 2. a conventional ply; 3. a fiber ply; 4. an adhesive tape; 5. a first buffer layer; 6. and a second buffer layer.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a puncture-resistant structure of a tire sidewall.

Example 1

Referring to fig. 1, a tire sidewall puncture resistant structure comprises a carcass 1, the carcass 1 comprising a tread 11, a shoulder 12, a sidewall 13, a toe 14 and an inner liner 15.

Referring to fig. 1 and 2, two layers of conventional plies 2 are arranged in a carcass 1, the two layers of conventional plies 2 are fixedly connected, two opposite ends of the conventional plies 2 are respectively located at toe 14 of two sides, two layers of fiber plies 3 are arranged at a sidewall 13, the two layers of fiber plies 3 are fixedly bonded, the two layers of fiber plies 3 are located between an inner liner 15 and the conventional plies 2, the fiber plies 3 close to the inner liner 15 are fixedly bonded to the inner liner 15, the fiber plies 3 close to the conventional plies 2 are fixedly bonded to the conventional plies 2, one end of the fiber plies 3 close to a tread 11 extends to a shoulder 12, one end of the fiber plies 3 far from the tread 11 extends to the toe 14, in the embodiment of the application, the conventional plies 2 and the fiber plies 3 are made of nylon cord materials through gluing, the cord angles of the conventional plies 2 are within 20 degrees, and the cord angles of the fiber plies 3 are within 30-50 degrees.

Compared with the normal structure of the side wall 13, the actual test shows that the anti-puncture capability of the side wall 13 is improved by 10% when the mesh cloth is added to the side wall 13; aramid cord fabric is added to the side wall 13, and the puncture resistance of the side wall 13 is improved by 30%; nylon curtain cloth is added to the side wall 13, and the puncture resistance of the side wall 13 is improved by 80%; therefore, the nylon ply is selected in the embodiment of the application, the fiber ply 3 is used for including the tire side 13, the problem that the tire side 13 is thin and easy to puncture is solved, and compared with the whole cladding of the tire body 1, the material cost is saved, the limit of the expansion of the tire body 1 caused by the fiber ply 3 under the condition of the whole cladding can be avoided, the fiber ply 3 is adhered to the inner liner 15 or the conventional ply 2, the fiber ply 3 is not easy to move at will in the tire body 1 in the using process of the tire, the angle between the tire side 13 and the conventional ply 2 is different, the tire side 13 and the tire side 13 are overlapped, the cross lap joint of the tire side 13 is realized, and the puncture preventing effect of the tire side 13 is improved.

Referring to fig. 2, the fiber ply 3 is adjacent to the tread 11 and is adhered with the adhesive tape 4, the adhesive tape 4 is adjacent to the fiber ply 3 and is between the fiber ply 3 and the inner liner 15 and is adhered and fixed with both, the adhesive tape 4 is far away from the fiber ply and extends between the inner liner 15 and the conventional ply 2 and is adhered and fixed with both, and in the embodiment of the application, the adhesive tape 4 is made of styrene-butadiene rubber. The rubber strip 4 enables the inner liner 15 and the conventional ply 2 to be bonded and fixed with one end, close to the tread 11, of the fiber ply 3, so that the problem that the fiber ply 3 is delaminated in the use process is avoided.

Referring to fig. 1 and 2, a first buffer layer 5 and a second buffer layer 6 are disposed at a tread 11, the first buffer layer 5 and the second buffer layer 6 are both located between the tread 11 and a conventional ply 2, the second buffer layer 6 is located between the first buffer layer 5 and the conventional ply 2, opposite ends of the second buffer layer 6 extend to shoulder 12 positions on two sides respectively, and the shoulder 12 is coated, and in this embodiment, the first buffer layer 5 and the second buffer layer 6 are both made of steel cord fabrics.

When the tire is in the moving process, the tread 11 is abutted with the ground, when the tread 11 touches the sharp edge substances, the first buffer layer 5 and the second buffer layer 6 block the sharp edge substances, so that the sharp edge substances are not easy to puncture the tire, and meanwhile, when the sharp edge substances puncture the tire shoulder 12, the second buffer layer 6 blocks the sharp edge substances, so that the sharp edge substances are not easy to puncture the tire at the tire shoulder 12.

The implementation principle of the puncture-resistant structure of the tire sidewall of the embodiment of the application is as follows: the fiber ply 3 is arranged at the side wall 13, the fiber ply 3 is positioned between the inner liner 15 and the conventional ply 2, the fiber ply 3 coats the whole tire shoulder 12, the fiber ply 3 thickens the tire shoulder 12, when the sharp edge substances pierce the tire shoulder 12, the fiber ply 3 and the conventional ply 2 block the sharp edge substances, so that the sharp edge substances are not easy to pierce the tire, and the tire is not easy to damage, thereby prolonging the service life of the tire.

Example 2

Referring to fig. 3, embodiment 2 is different from embodiment 1 in that: the adhesive tape 4 is located between the fiber ply 3 and the conventional ply 2 near one end of the fiber ply 3 and is adhered and fixed with the two, and the other parts are the same as in the embodiment 1, and will not be described in detail.

The embodiments of the present utility model are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in this way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a tire side wall puncture resistant structure, includes matrix (1) and conventional ply (2), matrix (1) divide into tread (11), tire shoulder (12), side wall (13), toe (14) and inner liner (15), and conventional ply (2) set up in matrix (1) inside, its characterized in that: a fiber ply (3) is arranged at the side wall (13), and the fiber ply (3) is arranged between the inner liner (15) and the conventional ply (2).

2. The tire sidewall puncture resistant structure of claim 1, wherein: the end of the fiber ply (3) close to the tread (11) extends to the tire shoulder (12), and the end of the fiber ply (3) far away from the tread (11) extends to the toe (14).

3. The tire sidewall puncture resistant structure of claim 1, wherein: the fiber ply (3) is formed by gluing the cord fabric, and the cord fabric angle of the fiber ply (3) is selected to be 20-70 degrees.

4. A tire sidewall puncture resistant structure according to claim 3, wherein: the angle of the cord fabric of the fiber cord ply (3) is 30-50 degrees.

5. The tire sidewall puncture resistant structure of claim 1, wherein: the side of the fiber ply (3) facing the inner liner (15) and the inner liner (15) are fixed by gluing or the side of the fiber ply (3) facing the conventional ply (2) and the conventional ply (2) are fixed by gluing.

6. The tire sidewall puncture resistant structure of claim 1, wherein: the rubber strip (4) is adhered to one end of the fiber ply (3) close to the tread (11), and both the conventional ply (2) and the inner liner (15) are adhered and fixed with the rubber strip (4).

7. The tire sidewall puncture resistant structure of claim 1, wherein: the tire tread (11) is provided with a first buffer layer (5) at the tire tread (11), the first buffer layer (5) is arranged between the tire tread (11) and the conventional tire ply (2), and the first buffer layer (5) is fixedly connected with the tire tread and the conventional tire ply.

8. The tire sidewall puncture resistant structure of claim 7, wherein: the first buffer layer (5) is provided with a second buffer layer (6), the second buffer layer (6) is positioned between the first buffer layer (5) and the conventional ply (2), the second buffer layer (6) is fixedly connected with the first buffer layer (5), one side of the second buffer layer (6) faces the conventional ply (2) and is fixedly connected with the conventional ply (2), and the opposite ends of the second buffer layer (6) extend to the tire shoulders (12) on two sides respectively and cover the tire shoulders (12).