CN204415054U - A kind of all-steel radial tyre with bead strengthening structure - Google Patents

Abstract

The utility model discloses a kind of all-steel radial tyre with bead strengthening structure, comprising all steel has inner tube of a tyre meridian tyre body and sidewall and all steel to have inner tube of a tyre radial-ply tyre heel fabric and inside liner, and all steel has inner tube of a tyre radial tyre bead ring Composite Triangular glue core to adopt special structure simultaneously.Described rim of the mouth is strengthened structure and is coordinated four layers of nylon heel fabric to strengthen forming by two kinds of shape special soft or hard glue cores.The utility model enhances the endurance quality of common all-steel radial tyre, especially tyre bead portion endurance quality.Experiment mileage confirms, adopt the utility model to have the all-steel radial tyre of bead strengthening structure, its endurance quality and bead durability can significantly improve.

Description

An all-steel radial tire with a reinforced structure at the spout

technical field

The utility model relates to a radial tire, in particular to an all-steel radial tire with a reinforced structure at the spout.

Background technique

Radial tires are a structural form different from bias tires. The advantages of radial tires are:

1) The ground contact area is large, the adhesion performance is good, the tread slippage is small, and the pressure on the ground unit is also small, so the rolling resistance is small and the service life is long;

2) The tire crown is thicker and has a hard belt layer, which is not easy to puncture; the deformation is small when driving, and the fuel consumption can be reduced by 3% to 8%;

3) Due to the small number of plies and thin sidewalls, the radial elasticity is large, the cushioning performance is good, and the load capacity is large;

4) It has good heat dissipation performance and can adapt to high temperature and high speed driving.

The disadvantages of radial tires are: because the sidewall is thinner and the crown is thicker, cracks are easy to occur in the transition zone between it and the sidewall. The side deformation is large, resulting in poor lateral stability of the car, high manufacturing technology requirements, and high cost.

Due to the characteristics of wear resistance, fuel economy, comfortable ride, traction, stability and high-speed performance, radial tires have achieved extremely rapid development. At present, radial tires account for 80% of the market in the world, and car and truck radial tires account for 90% and 63% respectively.

At present, the medium and short-distance tires with large specifications represented by 11.00R20 and 12.00R20 in the domestic tire market have the most severe service conditions, and have the characteristics of severe overloading, complicated road conditions, and fast driving speeds. It is often the case that the ratio of early damage to tires in use is much higher than that of other tires of tire manufacturers. This has caused dissatisfaction among many tire agents, dealers and customers, and has also affected the reputation and production profits of manufacturers. More and more tire users regard whether a tire manufacturer's tires can withstand the test in the short-distance tire market as a standard to measure the technical strength of the tire factory.

Utility model content

The technical problem to be solved by the utility model lies in overcoming the defects of the prior art, and providing an all-steel inner tube radial tire with four layers of nylon wrapping cloth and a special-shaped soft and hard rubber core mouth reinforcing layer structure, which strengthens the ordinary full-body radial tire. The durability of steel radial tires, especially the durability of the bead part. The experimental mileage proves that the all-steel radial tire with inner tube of the utility model adopts the nylon spigot reinforcement layer of the utility model, and its durability and bead durability are greatly improved.

In order to solve the above problems, the utility model adopts the following technical solutions:

The utility model provides an all-steel radial tire with a reinforcement structure at the slit, which is characterized in that it has a slit reinforcement layer structure with four layers of nylon wrapping cloth and a special-shaped soft and hard rubber core, including all-steel radial tires with inner tubes Carcass and sidewall, there are two layers of nylon slit reinforcing layer between the carcass and sidewall of all-steel radial tire with inner tube; There are two layers of nylon slit reinforcing layers between the mouth cloth and the inner lining layer; it includes a soft and hard rubber core structure with a special shape.

The nylon spigot reinforcing layer is composed of four layers of nylon rubber cord and special shaped soft and hard rubber core.

The nylon described in the utility model is composed of four layers of nylon with rubber cord. In the tire, two layers of nylon cloth are located between the carcass and the sidewall; the other two layers of nylon cloth are located between the steel wire mouth cloth and the inner liner. Between; the special shape soft and hard rubber core is characterized by a larger proportion of soft rubber than ordinary soft and hard rubber cores, and the thickness of the carcass contact is the largest. From the perspective of material distribution, it can realize the uniform transition of materials and the transition of materials from hard to soft, protect the end points of carcass cord and steel wire slit reinforcement layer, improve the tear resistance of bead parts, delay the time of flexion damage, and delay Flexion failure, to achieve the improvement of tire durability. the

In order to delay the early damage of the spigot, the utility model adopts a four-layer rubberized nylon cord as the reinforcing layer of the spigot and cooperates with a soft and hard rubber core of a special shape, which enhances the durability of ordinary all-steel radial tires, especially tire tires Ring parts durability. The experimental mileage proves that the all-steel radial tire with inner tube of the utility model adopts the nylon spigot reinforcement layer of the utility model, and its durability and bead durability are greatly improved.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a combination of soft rubber core and hard rubber core.

Detailed ways

As shown in Figure 1, the utility model provides an all-steel radial tire with four layers of nylon cord and a special shape soft and hard rubber core opening reinforcement layer structure, including an all-steel radial tire carcass 1 and sidewall 2 , a nylon slit reinforcement layer 3 is arranged between the carcass and the sidewall of the all-steel radial tire with inner tube; it includes an inner liner 4 and a steel wire slit cloth 5, and the inner liner and steel wire of the all-steel radial tire with inner tube There is a nylon slit reinforcement layer 6 between the slit wrapping cloths; it includes a special-shaped soft rubber core 7 and a hard rubber core 8. The shape of the soft rubber core has a platform at the end of the carcass. Here is the soft rubber core. thick (shown in Figure 2).

The nylon slit reinforcing layers each consist of two layers of nylon rubberized cords 3-1, 3-2, 6-1, 6-2.

The nylon slit reinforcing layer described in the utility model is composed of four layers of nylon attached rubber cord and special shaped soft and hard rubber cores. In the tire, two layers are located between the carcass and the sidewall, and two layers are located between the steel wire slit cloth and Between inner liners, from the perspective of material distribution, it can realize the uniform transition of materials and the transition of materials from hard to soft, protect the end points of carcass cord and steel wire slit reinforcement layer, improve the tear resistance of bead parts, and delay flexion The damage time is shortened, and the flex damage is delayed, so as to realize the improvement of tire durability.

In order to delay the early damage of the slit, the utility model adopts a four-layer nylon cord with glue as the reinforcing layer of the slit and cooperates with a special shape of soft and hard rubber core, which enhances the durability of ordinary all-steel radial tires, especially the bead Part durability. The experimental mileage proves that the all-steel radial tire with inner tube of the utility model adopts the nylon spigot reinforcement layer of the utility model, and its durability and bead durability are greatly improved.

The four-layer nylon cord fabric described in the utility model is a semi-finished product of a radial tire, and each is composed of two layers of nylon rubber cord fabrics, which are respectively located between the carcass and the sidewall of the tire, the steel wire slit cloth and the inner liner. In between, it is added in the molding process during tire manufacturing.

The soft and hard rubber core with special shape described in the utility model is used as a semi-finished product of the radial tire, and is extruded by a double compound extruder when the tire semi-finished product is manufactured.

Finally, it should be noted that obviously, the above-mentioned embodiments are only examples for clearly illustrating the utility model, rather than limiting the implementation manner. For those of ordinary skill in the art, other changes or changes in different forms can be made on the basis of the above description. For example: the slit steel wire cloth can wrap the height of the carcass. At this time, the slit steel wire cloth and the sidewall are on both sides of the nylon cord. It is not necessary and impossible to exhaustively list all the implementation manners here. And the obvious changes or changes derived therefrom are still within the protection scope of the present utility model.

Claims (4)

1. A kind of all-steel radial tire with slit position reinforcement structure, is characterized in that, has the slit reinforcement structure that is made of four layers of nylon wrapping cloth and cooperates soft rubber core and hard rubber core. 2. The all-steel radial tire according to claim 1, wherein the spigot reinforcement structure comprises an all-steel radial tire carcass and sidewalls, between the all-steel radial tire carcass and the sidewalls There are two layers of nylon spigot reinforcement layers between them. 3. The all-steel radial tire according to claim 1, characterized in that, the slit reinforcing structure comprises a steel wire slit cloth and an inner liner, and in an all-steel radial tire with a steel wire slit cloth and an inner liner Two layers of nylon slit reinforcing layers are arranged between the layers. 4. The all-steel radial tire according to claim 1, characterized in that a nylon spigot reinforcement structure is compounded on the bead.