CN219969316U

CN219969316U - Tread pattern structure of all-steel load tubeless radial tire

Info

Publication number: CN219969316U
Application number: CN202320623863.9U
Authority: CN
Inventors: 王坤; 吴学斌; 宋喜政; 张明香; 马俊莉
Original assignee: Double Coin Group Xinjiang Kunlun Tyre Co ltd
Current assignee: Double Coin Group Xinjiang Kunlun Tyre Co ltd
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-11-07
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to an all-steel load tubeless radial tire tread pattern structure, wherein a tire body comprises a wheel disc and a tire tread (1), the tire tread (1) is formed by nine equal-part segmented molds, patterns are uniformly distributed on the tire tread (1), the tire tread comprises a central main pattern block (21) and side pattern blocks (22) on two sides, the center of the tire tread (1) is provided with a row of Z-shaped main pattern blocks (21), and two rows of pentagonal side pattern blocks (22) with opposite directions are uniformly distributed along the directions from the main pattern blocks (21) to the two sides and are staggered between main pattern grooves (32) to form the pattern structure; the bottom of the main pattern groove (32) is provided with a lug (5) with the length direction changing along with the shape of the groove. Compared with the prior art, the tire in the pattern form has excellent wear resistance, and reduces the probability of early damage of the tire caused by eccentric wear, uneven wear, stone clamping prevention and the like.

Description

Tread pattern structure of all-steel load tubeless radial tire

Technical Field

The utility model belongs to the technical field of tire design, and relates to a tread pattern structure of an all-steel load tubeless radial tire.

Background

Tires are annular elastomeric rubber articles assembled on various vehicles or machines for ground contact rolling. The automobile body is supported by the automobile body through the metal rim, external impact is buffered, contact with a road surface is achieved, and running performance of the automobile is guaranteed. Tires are often used under complex and severe conditions, and they are subjected to various deformations, loads, forces and high and low temperatures during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, it is also required to have high wear resistance and flex resistance, as well as low rolling resistance and heat buildup. Half of the world's consumed rubber is used in tire production, and the ability of a tire to consume rubber is seen.

The design of the tire pattern is various, and is considered according to the application of different purposes and different road conditions, and the tire pattern is also considered from the aspects when being selected. The tire patterns play a very important role in the whole driving, and the patterns with reasonable design not only can effectively save oil, but also can reduce noise generated in the driving process of the automobile, and can enhance the driving force, braking force and traction performance of the automobile on various severe and wet road surfaces, thereby improving the driving safety of the automobile.

There are generally several categories of tire tread patterns:

(1) The straight groove pattern is also called a common pattern, and the pattern is designed by taking a longitudinal groove as a main pattern.

The characteristics are as follows: excellent steering stability, small rotation resistance, low noise, excellent drainage performance and difficult transverse sliding.

The method is applicable to: walking on a flat road surface.

Vehicle type is used: cars, trucks, and even airplanes.

Disadvantages: the driving and traction forces are poor.

(2) Transverse groove pattern: the design of the pattern mainly comprises transverse grooves.

The characteristics are as follows: the driving force, braking force and traction force of the transverse groove pattern are particularly excellent, and the wear resistance thereof is excellent.

The method is applicable to: broken stone roads and other bad roads.

Vehicle type is used: most of them are used in industrial, medium and short-distance vehicles, such as bulldozers, excavators, loaders, etc., and heavy goods vehicles.

Disadvantages: the noise is big.

(3) Longitudinal and transverse groove pattern: the longitudinal and transverse groove patterns are also called comprehensive patterns, and the comprehensive straight groove pattern and the transverse groove pattern are designed.

The characteristics are as follows: has the advantages of the patterns of the longitudinal grooves and the transverse grooves.

The method is applicable to: and (5) a severe road surface.

Disadvantages: abnormal abrasion is easily generated.

(4) Block pattern: the patterns are regularly arranged in blocks.

The characteristics are as follows: the driving force and the braking force are good, and the force for driving the vehicle to advance is provided.

The method is applicable to: snow, mud, etc.

Disadvantages: poor wear resistance and short mileage life.

The main tubeless tire driving route in the market is a road surface above a paved road surface, and the main quality of the tire is shoulder air, crown air and wear resistance.

Disclosure of Invention

The utility model aims to overcome at least one defect in the prior art and provide an all-steel load tubeless radial tire tread pattern structure.

The aim of the utility model can be achieved by the following technical scheme:

the tire tread comprises a wheel disc and a tire tread, wherein the tire tread is formed by nine equal-part segmented molds, patterns are uniformly distributed on the tire tread and comprise a central main pattern block and two side pattern blocks, the center of the tire tread is provided with a row of Z-shaped main pattern blocks, and two rows of irregular pentagonal side pattern blocks with opposite directions are uniformly distributed along the directions from the main pattern blocks to the two sides respectively and are staggered among the main pattern grooves to form a pattern structure;

the bottom of the main pattern groove is provided with continuous small bumps with the length direction changing along with the shape of the groove, so that good stone removal performance, drainage performance and heat dissipation performance are provided.

As the preferable technical scheme, the pattern has 48 pitches in total, is uniformly divided into nine equal parts and is arranged on the segmented mold of the mold, and the pattern groove accounts for 32.65 percent.

Further, the height of the continuous small bump is 3mm, and the width is 3mm.

Further, a main pattern groove is arranged between the longitudinal directions of the side pattern blocks, the main pattern groove is a Z-shaped wide groove, the vertical direction is a horn mouth and is inclined downwards, and the bottom of the groove is in arc transition.

Further, the depth of the main pattern groove is 19.5mm, the width of the upper groove is 17mm, the width of the lower groove is 6.1mm, and the arc transition radius is 3.16mm.

Further, main block grooves are uniformly distributed among the longitudinal directions of the main pattern blocks, are Z-shaped grooves and are divided into an upper section and a lower section, and the joint is in arc transition, so that excellent drainage property and heat dissipation property are provided.

Further, the depth of the main block groove is 15mm, the width of the upper groove is 6mm, the depth is 10mm, the width of the lower groove is 1mm, the depth is 5mm, and the arc transition radius is 2mm.

Further, a main side block groove is arranged between the main pattern block and the lateral pattern block transversely, and the main side block groove is a straight groove;

a side block pattern groove is arranged between the lateral sides of the side pattern blocks, and the side block pattern groove is a straight groove;

the main side block grooves and the side block grooves are in transition connection with adjacent main grooves through circular arcs at two ends, so that the main side block grooves and the side block grooves are smooth in connection and transition, and excellent traction braking performance, drainage performance and heat dissipation performance are provided for the tire.

Further, the width of the main side block groove is 8mm, and the depth is 10mm;

the width of the side block pattern groove is 4mm, and the depth is 10mm;

the radius of the upper end of the arc transition is 2mm, and the radius of the lower end is 5mm.

As the preferable technical scheme, the bottoms of the main block pattern grooves, the main block pattern grooves and the side block pattern grooves all adopt arc transition to form an arc-shaped structure, so that drainage and calculus removal are facilitated.

Further, shoulder pattern grooves are uniformly distributed under two shoulders of the tire tread and extend from the outer sides of the independent pattern grooves, the shoulder pattern grooves are square grooves with similar open block structures, arc transition is adopted at turning transition positions and groove bottoms, heat dissipation of shoulders is improved, and shoulder cracks are avoided.

As a preferable technical scheme, the depth of the shoulder pattern groove is 6mm, and the arc transition radius is 3mm.

Further, the periphery of the pattern block is distributed with a plurality of exhaust holes penetrating through the die, so that exhaust is facilitated during vulcanization, pattern fillets and side wall lacked caused by air pockets are prevented, the flow of rubber materials is promoted, and the vulcanization of the rubber materials is more uniform.

As a preferable technical scheme, the diameter of the exhaust hole is 0.8mm.

Compared with the prior art, the utility model has the following advantages:

(1) The main pattern groove bottom of the utility model adopts a continuous small bump design along with the shape of the groove, and provides good stone removal, drainage and heat dissipation;

(2) The shoulder pattern grooves are uniformly distributed under the shoulders, so that heat dissipation in the tire driving process is facilitated, and the shoulder is protected from the early shoulder space problem;

(3) The exhaust holes penetrating through the die are distributed on the periphery of the pattern block, so that exhaust is facilitated during vulcanization, the rubber material is vulcanized more uniformly, and air pockets are avoided;

(4) The pattern of the utility model is designed as a deep groove mixed pattern, and provides excellent driving performance and high abrasion performance;

(5) The pattern blocks are coordinated and symmetrical, large grooves are thin, mixed pattern blocks are formed, excellent traction braking performance can be provided, and the method can be applied to gravel pavements with poor road conditions;

(6) The patterns of the utility model reduce the probability of early damage of the tire caused by eccentric wear, uneven wear, stone clamping prevention and the like, ensure even wear and increase the wear resistance of the whole tread.

Drawings

FIG. 1 is a schematic diagram of the tread pattern structure of an all-steel truck tubeless radial tire in an embodiment of the utility model;

FIG. 2 is a schematic view of a pitch configuration in accordance with an embodiment of the present utility model.

The figure indicates:

1-tire tread, 21-main block, 22-side block, 31-main block groove, 32-main block groove, 33-main block groove, 34-side block groove, 4-shoulder block groove, 5-bump, 6-vent.

Detailed Description

The present utility model will be described in detail with reference to specific examples. The present embodiment is implemented on the premise of the technical scheme of the present utility model, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present utility model is not limited to the following examples.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying positive importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1 and 2, the tire body comprises a wheel disc and a tire tread 1, patterns are uniformly distributed on the tire tread 1, the tire tread 1 comprises a central main pattern block 21 and side pattern blocks 22 on two sides, the center of the tire tread 1 is a column of Z-shaped main pattern blocks 21, and two rows of irregular pentagonal side pattern blocks 22 with opposite directions are uniformly distributed along the directions from the main pattern blocks 21 to the two sides respectively and are staggered among main pattern grooves 32. Main block grooves 31 are uniformly distributed among the longitudinal directions of the main blocks 21, main grooves 32 are arranged among the longitudinal directions of the side blocks 22, main block grooves 33 are arranged between the transverse directions of the main blocks 21 and the side blocks 22, and side block grooves 34 are arranged between the transverse directions of the side blocks 22. Shoulder grooves 4 are uniformly distributed under both shoulders, and extend from the outer sides of the main grooves 32.

The main pattern groove 32 is a Z-shaped wide groove, the groove depth is 19.5mm, the vertical direction is a horn mouth and inclines downwards, the upper groove width is 17mm, the lower groove width is 6.1mm, the groove bottom is in arc transition with the radius of 3.16mm, the groove bottom is provided with continuous small bumps 5 with the height of 3mm, the width of 3mm and the length direction along with the shape change of the groove, and good stone discharging performance, drainage performance and heat dissipation performance are provided. The main block groove 31 is a Z-shaped fine groove, the groove depth is 15mm, the groove is divided into an upper section and a lower section, the joint is in arc transition with the radius of 2mm, the upper groove width is 6mm, the upper groove depth is 10mm, the lower groove width is 1mm, and the lower groove depth is 5mm, so that excellent drainage property and heat dissipation property are provided. The main side block grooves 33 are straight grooves, the groove width is 8mm, and the groove depth is 10mm. The side block grooves 34 are straight grooves having a groove width of 4mm and a groove depth of 10mm. The transition parts of the main side block grooves 33 and the side block grooves 34 and the adjacent main grooves 32 are in transition connection by circular arcs with the upper end radius of 2mm and the lower end radius of 5mm, so that the connection is smooth, the transition is smooth, and excellent traction braking performance, drainage performance and heat dissipation performance are provided for the tire.

The bottoms of the main block grooves 31, the main grooves 32, the main block grooves 33 and the side block grooves 34 are all in arc transition to form an arc-shaped structure, so that drainage and stone removal are facilitated. The shoulder pattern groove 4 is a square groove with a similar open block-shaped structure, the groove depth is 6mm, the turning transition part and the groove bottom are in arc transition with the radius of 3mm, the heat dissipation of the shoulder is improved, and shoulder cracks are avoided.

The tire tread 1 is composed of nine equal parts of segmented molds, the circumference of the vulcanized tread segmented mold is divided into nine equal parts, the total of patterns has 48 pitches, the nine equal parts are evenly divided and arranged on the segmented mold of the mold, and the pattern groove accounts for 32.65%.

The periphery of the pattern block is distributed with a plurality of vent holes 6 with diameters of 0.8mm penetrating through the die, so that venting is facilitated during vulcanization, pattern fillets and side wall lacked caused by air pockets are prevented, the flow of rubber materials is promoted, and the vulcanization of the rubber materials is more uniform.

The tire of the embodiment adopts a unique super wear-resistant and puncture-resistant tread formula design, and can be suitable for middle and short-distance use of a common pavement; the single tire loading capacity is less than or equal to 100% when fully loaded. The pattern of the embodiment has higher wear resistance, and the tire reduces the probability of early damage of the tire caused by eccentric wear, uneven wear, stone clamping prevention and the like.

The previous description of the embodiments is provided to facilitate a person of ordinary skill in the art in order to make and use the present utility model. It will be apparent to those skilled in the art that various modifications can be readily made to these embodiments and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present utility model is not limited to the above-described embodiments, and those skilled in the art, based on the present disclosure, should make improvements and modifications without departing from the scope of the present utility model.

Claims

1. The tire tread (1) is formed by nine equal-part segmented molds, and is characterized by comprising a central main pattern block (21) and two side pattern blocks (22), wherein the center of the tire tread (1) is provided with a row of Z-shaped main pattern blocks (21), and two rows of pentagonal side pattern blocks (22) with opposite directions are uniformly distributed along the directions from the main pattern blocks (21) to the two sides and are staggered between the main pattern grooves (32) to form a pattern structure;

the bottom of the main pattern groove (32) is provided with a lug (5) with the length direction changing along with the shape of the groove.

2. Tread pattern structure for an all-steel truck tubeless radial tire according to claim 1, characterized in that the height of the lugs (5) is 3mm and the width is 3mm.

3. The tread pattern structure of the all-steel load tubeless radial tire according to claim 1, wherein main pattern grooves (32) are arranged between the longitudinal directions of the side pattern blocks (22), the main pattern grooves (32) are Z-shaped grooves, the vertical direction is a horn mouth inclined downward, and the bottom of the grooves is in arc transition.

4. A tread pattern structure of an all-steel truck tubeless radial tire according to claim 3, wherein the main groove (32) has a depth of 19.5mm, an upper groove width of 17mm, a lower groove width of 6.1mm, and the radius of the arc transition is 3.16mm.

5. The tread pattern structure of the all-steel load tubeless radial tire according to claim 1, wherein main block pattern grooves (31) are uniformly distributed among the longitudinal directions of the main pattern blocks (21), the main block pattern grooves (31) are Z-shaped grooves, and are divided into an upper section and a lower section, and the joint is in arc transition.

6. The tread pattern structure of the all-steel load tubeless radial tire according to claim 5, wherein the depth of the main block groove (31) is 15mm, the upper groove width is 6mm, the depth is 10mm, the lower groove width is 1mm, the depth is 5mm, and the arc transition radius is 2mm.

7. An all-steel load tubeless radial tire tread pattern structure according to claim 1, characterized in that a main block groove (33) is arranged between the main block (21) and the side block (22) in the lateral direction, and the main block groove (33) is a straight groove;

a side block pattern groove (34) is arranged between the lateral side pattern blocks (22), and the side block pattern groove (34) is a straight groove;

the transition parts of the main side block grooves (33) and the side block grooves (34) and the adjacent main grooves (32) are in transition connection through circular arcs at two ends.

8. An all-steel truck tubeless radial tire tread pattern structure according to claim 7, characterized in that the main side block grooves (33) have a width of 8mm and a depth of 10mm;

the width of the side block pattern groove (34) is 4mm, and the depth is 10mm;

9. The tread pattern structure of the all-steel load tubeless radial tire according to claim 1, wherein shoulder pattern grooves (4) are uniformly distributed under two shoulders of the tire tread (1), the shoulder pattern grooves (4) extend from the outer sides of the autonomous pattern grooves (32), the shoulder pattern grooves (4) are square grooves with block structures, and arc transition is adopted at turning transition positions and groove bottoms.

10. An all-steel load tubeless radial tire tread pattern structure according to claim 1, wherein the pattern blocks are peripherally distributed through the exhaust holes (6) of the mold.