CN210011559U

CN210011559U - Puncture-proof automobile tire

Info

Publication number: CN210011559U
Application number: CN201920670872.7U
Authority: CN
Inventors: 陶冶; 蔡斌
Original assignee: Zhejiang Mei Yu Jia New Technology Co Ltd
Current assignee: Zhejiang Mei Yu Jia New Technology Co Ltd
Priority date: 2019-05-10
Filing date: 2019-05-10
Publication date: 2020-02-04
Anticipated expiration: 2029-05-10

Abstract

The utility model discloses a prevent puncture and leak automobile tire belongs to tire production technical field, prevent puncture and leak automobile tire include tread portion (1) and side wall portion (2), be provided with tread rubber (11) in the outside of tread portion (1), set gradually nylon curtain cloth belted layer (12), steel cord cloth belted layer (13) and matrix casing ply (14) in tread rubber (11) inboard, set up sidewall rubber (21) in the outside of side wall portion (2), set up matrix casing ply two (22) in side rubber (21), set up steel wire circle (23) in the tire bead of side wall portion (2), set up the air barrier in the internal surface of tire, the air barrier sets up to two-layerly, be provided with viscose layer (4) between the two-layer air barrier of tread portion (1); the utility model discloses the automobile tire of preparation has the function of preventing impaling, can prevent effectively that the car from appearing the incident in the driving process, is favorable to protecting the security of the lives and property.

Description

Puncture-proof automobile tire

Technical Field

The utility model belongs to the technical field of tire production, concretely relates to automobile tire with prevent thorn hourglass function.

Background

The automobile tire is an essential part in an automobile structure as an automobile main part, is mainly used for supporting an automobile body, transmits torque under the action of a power mechanism, drives the automobile to move, and meanwhile has the buffering performance. At present, the automobile tires are mainly made of rubber, and because the tires are in direct contact with the ground and rub against the ground at a high speed when the automobile runs, the tires also have the characteristics of high wear resistance and flexing resistance. In the driving process of an automobile, certain working air pressure must be ensured, and if the tire pressure in the tire is too low or too high, the service life of the tire can be influenced. If the tire is suddenly burst during high-speed running, the running safety can be influenced, and the life of people can be seriously influenced, so that the tire is prevented from being punctured during running, air leakage is prevented, and the tire has important significance on the running safety.

In order to prevent the tire from being punctured, Chinese patent application No. 201810707968.6, which is published on 2018, 07, 02 and 2018, discloses a high-strength puncture-proof film and a tire produced by using the same, wherein the production process of the tire comprises the following steps of firstly installing a tire body on a rotating rigid cylinder mold, then spraying self-repairing sealant on the inner surface of the tire body, putting the puncture-proof sealant into a second glue melting cylinder for heating and melting, sending the melted puncture-proof sealant into the second glue melting cylinder for uniformly stirring, sending the puncture-proof sealant in the second glue melting cylinder into a second spray gun under the driving of a second gear pump, spraying the puncture-proof sealant on the inner surface of the tire body through the second spray gun, spraying the first puncture-proof sealant, and cooling to 50 +/-10 ℃ after the glue spraying is finished; spraying the anti-puncture sealant onto the inner surface of the tire body again through a second spray gun, spraying the anti-puncture sealant for the second time, and cooling to 50 +/-10 ℃ after the glue spraying is finished, so as to obtain a finished product; however, the method has complex processing process, low production efficiency and improved anti-puncturing effect.

The application date is 2017, 12 and 12, and the application number is 2017217230349, the name of the Chinese utility model discloses an explosion-proof and puncture-proof tire, which comprises a tire body and a cavity arranged in the tire body, wherein the cavity comprises a first air storage cavity, a plurality of second air storage cavities and an inflation cavity, an air guide channel is arranged between the inflation cavity and the first air storage cavity, a first check valve for enabling the air in the inflation cavity to enter the first air storage cavity is arranged on the air guide channel, the second air storage cavities are symmetrically arranged at two sides of the air guide channel, the second air storage cavities are respectively adjacent to the inflation cavity and the first air storage cavity, a partition plate is arranged between the second air storage cavity and the inflation cavity, a second check valve for enabling the air in the inflation cavity to enter the second air storage cavity is arranged on the partition plate, and an interlayer is arranged between the first air storage cavity and the second air storage cavity; the inner wall of the tire body is provided with a nanometer material layer. The tire can effectively prevent the tire from bursting, enhances the driving safety of vehicles, but the tire changes the internal structure of the traditional tire, causes the increase of product cost, has complex production process and needs to be improved in puncture-proof effect.

Therefore, how to provide a tire which can effectively prevent the tire from being punctured and prevent the tire from being leaked has great significance for improving the driving safety and protecting the life and property safety of people.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome among the prior art and prevent that the puncture-proof automobile tire production technology is complicated, the not good technical problem of puncture-proof effect is prevented to the tire, provides one kind and prevents the puncture-proof automobile tire that leak protection gas is effectual.

In order to solve the technical problem, the utility model provides a puncture-proof and leak-proof automobile tire, include with the tread portion of ground direct contact and the side wall portion that is located the tire side, be provided with tread rubber in the outside of tread portion, set gradually nylon cord fabric belted layer, steel cord fabric belted layer and carcass ply one in the tread rubber inboard the side wall portion outside set up the sidewall rubber, set up carcass ply two in the inboard of sidewall rubber, set up the steel wire winding in the tire bead of sidewall portion, carcass ply one and carcass ply two structure as an organic whole, set up the air seal at the internal surface of tire, the air seal sets up to two-layer, and air seal one and air seal two promptly are provided with between two-layer air seal and take place deformation and the viscose layer of pasting with sharp-pointed object along with the direction of force of sharp-pointed object. Through the utility model discloses the automobile tire of preparation, at the tread portion of tire, no matter what sharp-pointed object pierces, because the viscose layer has certain pliability and viscidity, the viscose layer can all take place deformation and reach the risk that prevents to be impaled along with sharp-pointed object, can wrap up sharp-pointed object simultaneously, through cooperating with the air seal, reaches the sealed function that prevents gas leakage.

As a further improvement measure of the present invention, in the puncture-proof automobile tire, the adhesive layer is disposed between two airtight layers of the tread portion, and the width of the adhesive layer is the same as the width of the tread.

As a further improvement measure of the present invention, the adhesive layer is disposed between two airtight layers of the tread portion, the width of the adhesive layer is 1-6 cm greater than the width of the tread, and because the adhesive layer has certain viscosity and is easy to deform, the adhesive layer may be slightly wider than the tread but cannot be disposed too much on the sidewall portion, otherwise, the tire is easy to lose dynamic balance during high-speed driving, which affects the mobility of driving.

As a further improvement of the present invention, the puncture-proof automobile tire has a central thickness of the adhesive layer between two tenths and three tenths of the thickness of the tread portion of the tire.

As a further improvement of the utility model, foretell a puncture-proof automobile tire, the both sides thickness on viscose layer is slightly thin.

As a further improvement measure of the utility model, foretell a puncture-proof automobile tire, the material on viscose layer is polymer memory rubber. Compared with the prior art, the beneficial effects of the utility model reside in that:

1. utilize the utility model discloses a puncture-proof automobile tire that leaks of preparation, owing to set up one deck viscose layer, under the condition that the tread portion that meets the tire was punctured by sharp-pointed object, the viscose layer can be along with sharp-pointed object takes place deformation and not punctured to tire inside, the viscose layer can wrap up sharp-pointed object simultaneously, and seal positions such as tread portion and wire cord fabric area of being punctured by sharp-pointed object, prevent tire gas leakage, can effectively prevent that the car from appearing the incident at the in-process of traveling, be favorable to protecting the security of the lives and property.

2. After the sharp object is taken out, the adhesive layer can automatically recover to the original shape and block the pores pierced by the sharp object, so that the air leakage is prevented.

Drawings

Fig. 1 is a schematic cross-sectional structure view of a puncture-proof automobile tire of the present invention.

Description of reference numerals: 1-tread part, 11-tread rubber, 12-nylon cord belt, 13-steel cord belt, 14-carcass ply I, 2-sidewall part, 21-sidewall rubber, 22-carcass ply II, 23-steel wire ring, 31-inner liner I, 32-inner liner II and 4-adhesive layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.

Embodiment 1, as shown in fig. 1, a puncture-proof automobile tire includes a tread portion 1 directly contacting with the ground and a sidewall portion 2 located on the side of the tire, a tread rubber 11 is disposed on the outermost side of the tread portion 1, a nylon cord belt 12, a steel cord belt 13 and a carcass ply 14 are sequentially disposed inside the tread rubber 11, a sidewall rubber 21 is disposed on the outermost side of the sidewall portion 2, a carcass ply two 22 is disposed inside the sidewall rubber 21, a bead ring 23 is disposed inside the bead of the sidewall portion 2, the carcass ply one 14 and the carcass ply two 22 are an integral structure, an inner surface of the tire is provided with two air barriers, the two air barriers are a first air barrier 31 and a second air barrier 32, and an adhesive layer 4 which deforms along the force direction of a sharp object and adheres to the sharp object is disposed between the two air barriers. The width of the adhesive layer 4 is the same as the width of the tread, the thickness of the center of the adhesive layer 4 is two tenths of the thickness of the tread part 1 of the tire, and the thickness of the two sides of the adhesive layer 4 is slightly thinner. By adopting the structure, after the tread rubber 11, the nylon cord belt ply layer 12, the steel cord belt ply layer 13, the carcass ply layer 14 and the airtight layer 31 of the tread part are all punctured by sharp objects, and at the moment, when the sharp objects puncture the adhesive layer 4 again, the adhesive layer 4 can deform along with the stress direction of the sharp objects and can be adhered to the sharp objects, the adhesive layer 4 cannot be punctured due to the fact that the adhesive layer 4 has viscosity and toughness, meanwhile, the airtight layer 32 is tightly adhered to the adhesive layer 4 along with the deformation, and gas leakage can be prevented. The material of viscose layer 4 is polymer memory rubber, and it is good that it prevents impaling effectually, can effectively warp along with sharp-pointed object, and when sharp-pointed object took out the back, viscose layer 4 can in time the reconversion, has good memory effect, when tread rubber 11 appears the hole, can in time fill the hole, reaches the function of leak protection gas.

Embodiment 2, in this embodiment, the width of the adhesive layer 4 is 4 cm greater than the tread width, that is, both sides of the adhesive layer 4 are 2 cm greater than the tread width, wherein 2 cm of the both sides are adhered to the sidewall of the inner tube, so that the air leakage phenomenon caused by the punctured boundary portion between the sidewall and the tread of the tire can be prevented, but the width of the adhesive layer 4 at the side face cannot be too large, because if the adhesive layer 4 with too large thickness and too wide width is adhered to the sidewall, when the tire rotates at high speed, the deformation of the adhesive layer 4 is easily caused, which affects the dynamic balance of the tire and the driving safety, and meanwhile, the thickness of both sides of the adhesive layer 4 is slightly thin, which can effectively and sealingly connect with the airtight layer 3, and prevent the occurrence of gaps between the airtight layer 3, the adhesive layer 4, and the carcass ply.

The central thickness of the adhesive layer 4 is three tenths of the thickness of the tire tread part 1, if the adhesive layer 4 is too thin, when a sharp object is long, the adhesive layer 4 can be punctured, but if the adhesive layer 4 is too thick, when the tire runs for a long time, the tire rotates at a high speed, the temperature of the tire is too high, the deformation of the adhesive layer 4 is easily caused, the dynamic balance of the tire is influenced, the running is unstable, the running safety is influenced, and through experimental tests, when the central thickness of the adhesive layer 4 is three tenths of the thickness of the tire tread part 1, the puncture resistance and the fluidity resistance of the tire are optimal.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and those skilled in the art can make modifications and improvements without departing from the scope of the present invention.

Claims

1. A puncture-proof automobile tire comprises a tread portion (1) directly contacted with the ground and a side wall portion (2) positioned on the side surface of the tire, the outermost side of the tread part (1) is provided with tread rubber (11), the inner side of the tread rubber (11) is sequentially provided with a nylon cord fabric belt layer (12), a steel cord fabric belt layer (13) and a carcass ply I (14), a sidewall rubber (21) is arranged on the outermost side of the sidewall part (2), a second carcass ply (22) is arranged on the inner side of the sidewall rubber (21), a steel wire ring (23) is arranged in a tire bead of the side portion (2), and the first carcass ply (14) and the second carcass ply (22) are of an integral structure, and the tire is characterized in that an inner liner is arranged on the inner surface of the tire and is provided with two layers, namely a first airtight layer (31) and a second airtight layer (32), and an adhesive layer (4) which deforms along with the stress direction of the sharp object and is adhered to the sharp object is arranged between the two airtight layers.

2. A puncture-proof automobile tire according to claim 1, wherein the adhesive layer (4) is provided between two air-tight layers of the tread portion (1), and the width of the adhesive layer (4) is the same as the width of the tread.

3. A puncture-proof automobile tire according to claim 1, wherein the adhesive layer (4) is provided between two air-tight layers of the tread portion (1), and the width of the adhesive layer (4) is 1 to 6 cm larger than the tread width.

4. A puncture resistant automotive tire according to claim 1, wherein the center thickness of the adhesive layer (4) is two tenths to three tenths of the thickness of the tire tread portion (1).

5. A puncture-proof vehicle tyre according to claim 4, wherein the adhesive layer (4) is slightly thinner on both sides.

6. A puncture-proof automobile tire according to any one of claims 1 to 5, wherein the material of the adhesive layer is a high-molecular memory rubber.