CN212921028U

CN212921028U - High-performance HT radial tire

Info

Publication number: CN212921028U
Application number: CN202021001473.0U
Authority: CN
Inventors: 齐迪; 王宝凯; 梁娜
Original assignee: Sailun Jinyu Group Co Ltd
Current assignee: Sailun Jinyu Group Co Ltd
Priority date: 2020-06-04
Filing date: 2020-06-04
Publication date: 2021-04-09
Anticipated expiration: 2030-06-04

Abstract

The utility model relates to a high performance HT radial tire, including tread portion, be equipped with in tread portion by many vertical decorative pattern grooves that extend along tire circumference and a plurality of decorative pattern pieces that divide off along many horizontal decorative pattern grooves of tire axial extension, the decorative pattern piece is including setting up in the central pattern piece of tread central line, being located central pattern piece both sides with central pattern piece central point is central symmetry's middle decorative pattern piece, is located the middle decorative pattern piece outside with central pattern piece central point is central symmetry's shoulder decorative pattern piece, the size of central pattern piece, middle decorative pattern piece, shoulder decorative pattern piece increases in proper order, and central pattern piece, middle decorative pattern piece, shoulder decorative pattern piece rigidity ratio are 1:1.3 +/-0.1: 1.8 +/-0.1. Through the design of the tire patterns, the dry/wet land control performance, the noise comfort performance, the braking performance and the off-road performance of the tire are balanced, the tire is suitable for different road surfaces, and the off-road performance of the tire is improved while the comfort performance is ensured.

Description

High-performance HT radial tire

Technical Field

The utility model belongs to the technical field of the tire decorative pattern, especially, relate to a high performance HT radial tire.

Background

Ht (high road terrian) tires are one of the SUV tires, mainly used for urban pavement and highway, but also have a function of off-road. HT tires have different functional requirements on different road surfaces: the pavement is required to have low noise and good comfort when running, and the pavement is required to have good off-road performance when running on soft roads, gravel roads and the like. The noise performance, the comfort performance and the off-road performance of the tire are mutually restricted and mutually influenced, and are difficult to be comprehensively improved.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a high performance HT radial tire, the purpose is through the design to the tire decorative pattern, makes its dry/wet land control performance, noise comfort performance, brake performance and cross-country performance reach the balance, adapts to different road surfaces, promotes the cross-country performance of tire when guaranteeing the travelling comfort performance.

The technical scheme of the utility model is that:

the high-performance HT radial tire comprises a tread portion, wherein a plurality of pattern blocks partitioned by a plurality of longitudinal pattern grooves extending along the circumferential direction of the tire and a plurality of transverse pattern grooves extending along the axial direction of the tire are arranged on the tread portion, each pattern block comprises a central pattern block arranged on the central line of the tread, middle pattern blocks positioned on two sides of the central pattern block and in central symmetry with the central point of the central pattern block, and shoulder pattern blocks positioned on the outer sides of the middle pattern blocks and in central symmetry with the central point of the central pattern block, the sizes of the central pattern blocks, the middle pattern blocks and the shoulder pattern blocks are sequentially increased, and the rigidity ratio of the central pattern blocks, the middle pattern blocks and the shoulder pattern blocks is 1:1.3 +/-0.1: 1.8 +/-0.

Based on the above scheme, the utility model discloses following improvement has still been made:

furthermore, a longitudinal pattern groove I is arranged in front of the middle pattern block and the shoulder pattern block, a longitudinal pattern groove II is arranged in front of the middle pattern block and the middle pattern block, the design width ratio of the longitudinal pattern groove I to the longitudinal pattern groove II is 1.1 +/-0.1: 1.0, and the longitudinal pattern groove I and the longitudinal pattern groove II are in a sawtooth shape.

Furthermore, a plurality of transverse pattern grooves I are formed between the adjacent shoulder pattern blocks, a plurality of transverse pattern grooves II are formed between the adjacent middle pattern blocks, and a plurality of transverse pattern grooves III are formed between the adjacent central pattern blocks; a step-shaped reinforcing protrusion is arranged between the transverse pattern groove I and the longitudinal pattern groove I; the transverse pattern groove II is Z-shaped, two sides of the transverse pattern groove II are communicated, and a reinforcing protrusion is arranged at the center of the transverse pattern groove II; and two sides of the transverse pattern groove III are communicated.

Furthermore, the central pattern block is provided with a sipe I, the sipes I are arranged on the central pattern block in a centrosymmetric manner, the sipe I is in a variable-depth reinforcing design, and the depth ratio of the sipe I is 5.5 +/-0.5: 9.

Furthermore, the middle pattern block is provided with a cutter groove II which is arranged on the middle pattern block in a centrosymmetric manner, the cutter groove II is in a variable-depth reinforcing design, and the depth ratio of the cutter groove II is 1 +/-0.2: 3.

Furthermore, a sipe III is arranged on the shoulder pattern block, and a small groove lapped with the sipe III is further arranged on the shoulder pattern block.

Compared with the prior art, the scheme adopts the centrosymmetric design for the tire patterns, and has strong adaptability and high-speed performance for different road surfaces; the braking performance and cross-country traction of the HT tire are effectively improved by adjusting the sea-land ratio range of a braking area, steel sheet reinforcement design and the like.

The longitudinal pattern grooves are designed in a zigzag manner, so that when the tire is in contact with the road surface, the grounding surface can be irregularly arranged, and the ground grabbing force and the control performance can be improved; the optimal width and angle of the longitudinal pattern grooves and the through transverse grooves form a drainage network, which is beneficial to quick drainage.

The two ends of the transverse pattern groove are open and communicated, so that a closed tubular air pump cannot be formed when the tread is in contact with the ground, and meanwhile, the width and the angle of the pattern groove are adjusted, so that the sound pressure is reduced, and the tube cavity effect and the pumping effect are reduced; the center of the transverse pattern groove of the middle pattern block is provided with a reinforcing protrusion, and the stepped reinforcing protrusion is arranged between the transverse pattern groove of the shoulder pattern block and the longitudinal pattern groove, so that the connection between the pattern blocks is enhanced, the integral rigidity of the pattern blocks is improved, the uniform distribution of the grounding pressure of the tire can be ensured, and the wear resistance of the tire is improved.

Every decorative pattern piece is equipped with the sword groove of different degree of depth, different angles, through analog simulation, reachs optimum angle, the degree of depth in sword groove, matches each decorative pattern piece, and the flexibility decorative pattern piece rigidity has reduced the tire and to the impact noise on ground, cuts the water film in order to promote the wetland performance when the wetland traveles, guarantees the wetland road surface security of traveling.

Drawings

Fig. 1 is a schematic diagram of a high-performance HT pattern structure provided by the present invention;

FIG. 2 is a cross-sectional view taken along line A-A' of FIG. 1;

FIG. 3 is a cross-sectional view of the pocket I of FIG. 1;

FIG. 4 is a cross-sectional view of the pocket II of FIG. 1.

In the figure, 1, a transverse pattern groove I; 2. a transverse pattern groove II; 3. a transverse pattern groove III; 4. longitudinal pattern grooves I; 5. longitudinal pattern grooves II; 6. a cutter groove I; 7. a cutter groove II; 8. a cutter groove III; 9. a central pattern block; 10. a middle pattern block; 11. shoulder pattern blocks; 12. a small trench.

Detailed Description

The utility model discloses a high performance HT radial tire, this paper content can be referred to the technical staff in the field, and proper improvement technological parameter realizes. It is expressly noted that all such substitutions and modifications which are obvious to a person skilled in the art are deemed to be included in the present invention. While the methods and applications of the present invention have been described in terms of preferred embodiments, it will be apparent to those skilled in the art that variations and modifications, or appropriate alterations and combinations, may be made to the methods and applications described herein without departing from the spirit and scope of the invention as defined by the appended claims.

The present invention will be described in further detail with reference to specific embodiments thereof for the purpose of enabling those skilled in the art to better understand the present invention.

As shown in fig. 1, a high-performance HT radial tire includes a tread portion provided with a plurality of blocks partitioned by a plurality of longitudinal pattern grooves extending in a tire circumferential direction and a plurality of lug grooves extending in a tire axial direction.

The pattern blocks comprise a central pattern block 9, a middle pattern block 10 and a shoulder pattern block 11; the central pattern blocks 9 are arranged on the central line of the tread, the middle pattern blocks 10 are arranged on two sides of the central pattern blocks 9 and are arranged in a central symmetry mode relative to the central point of the central pattern blocks 9, and the shoulder pattern blocks 11 are arranged on the outer sides of the middle pattern blocks 10 and are arranged in a central symmetry mode relative to the central point of the central pattern blocks 9. The central pattern block 9, the middle pattern block 10 and the shoulder pattern block 11 are sequentially increased in size and sequentially enhanced in rigidity, and the rigidity ratio is 1:1.3 +/-0.1: 1.8 +/-0.1. The steering performance of the tire is guaranteed, the shoulder grinding degree of the tire is reduced, the phenomenon that the acute-angle pattern blocks on the outer sides of the main pattern grooves are separated from the belted layer is avoided, and the high-speed performance of the tire is guaranteed.

The longitudinal pattern groove I4 is arranged in front of the middle pattern block 10 and the shoulder pattern block 11, the longitudinal pattern groove II 5 is arranged in front of the central pattern block 9 and the middle pattern block 10, and the design width ratio of the longitudinal pattern groove I4 to the longitudinal pattern groove II 5 is 1.1 +/-0.1: 1.0, so that the drainage performance and the linear control performance of the tire are improved, and the running safety of a wet road surface is ensured. Meanwhile, the longitudinal pattern grooves I4 and the longitudinal pattern grooves II 5 are designed in a zigzag manner, so that the grounding surface is irregularly arranged, and the ground grabbing force and the control performance are improved.

A plurality of transverse pattern grooves I1 are arranged between the adjacent shoulder pattern blocks 11, a plurality of transverse pattern grooves II 2 are arranged between the adjacent middle pattern blocks 10, a plurality of transverse pattern grooves III 3 are arranged between the adjacent central pattern blocks 9, and the transverse pattern grooves are staggered and communicated with the adjacent longitudinal pattern grooves to form a drainage network, so that the drainage performance is excellent, the pumping effect and the pipe cavity effect are reduced, and the noise performance of the tire is improved; as shown in fig. 2, a step-shaped reinforcing protrusion is arranged between the transverse pattern groove I1 and the longitudinal pattern groove I4, so that the rigidity of the shoulder of the tire is enhanced, and the steering capacity and the traction capacity of the HT tire are improved. The transverse pattern groove II 2 is Z-shaped, two sides of the transverse pattern groove II are communicated, and the center of the transverse pattern groove II 2 is provided with a reinforcing bulge, so that the rigidity of the tire pattern from the center to the shoulder is sequentially increased, the balance of the grounding pressure distribution is facilitated, and the abrasion of the tire is reduced; and two sides of the transverse pattern groove III 3 are communicated.

The central pattern block 9 is provided with a sipe I6, the middle pattern block 10 is provided with a sipe II 7, the sipe I6 is arranged on the central pattern block 9 in a central symmetry mode relative to the pattern block center, the sipe II 7 is arranged on the middle pattern block 10 in a central symmetry mode relative to the pattern block center, as shown in figures 3 and 4, the sipe I6 and the sipe II 7 are both in a variable-depth reinforcing design, the left-right depth ratio of the sipe I6 is 5.5 +/-0.5: 9, the left-right depth ratio of the sipe II 7 is 1 +/-0.2: 3, and the tire steel sheets can be guaranteed to be distributed in parallel when the abrasion is more than 50%.

The shoulder pattern block 11 is provided with a sipe III 8, and the shoulder pattern block 11 is also provided with a small groove 12 lapped with the sipe III, so that the rigidity of the shoulder of the tire is favorably matched, and the shoulder pattern block has a slight drainage function.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A high-performance HT radial tire comprises a tread portion, wherein a plurality of pattern blocks divided by a plurality of longitudinal pattern grooves extending along the circumferential direction of the tire and a plurality of transverse pattern grooves extending along the axial direction of the tire are arranged on the tread portion, and the high-performance HT radial tire is characterized in that: the pattern blocks comprise central pattern blocks arranged on the central line of the tread, middle pattern blocks positioned on two sides of the central pattern blocks and in central symmetry with the central point of the central pattern blocks, and shoulder pattern blocks positioned on the outer sides of the middle pattern blocks and in central symmetry with the central point of the central pattern blocks, the sizes of the central pattern blocks, the middle pattern blocks and the shoulder pattern blocks are sequentially increased, and the rigidity ratio of the central pattern blocks, the middle pattern blocks and the shoulder pattern blocks is 1:1.3 +/-0.1: 1.8 +/-0.1.

2. High-performance HT radial tire according to claim 1, characterized in that: the middle pattern block and the shoulder pattern block are provided with a longitudinal pattern groove I in front, the middle pattern block and the shoulder pattern block are provided with a longitudinal pattern groove II in front, the design width ratio of the longitudinal pattern groove I to the longitudinal pattern groove II is 1.1 +/-0.1: 1.0, and the longitudinal pattern groove I and the longitudinal pattern groove II are in a sawtooth shape.

3. High-performance HT radial tire according to claim 1, characterized in that: a plurality of transverse pattern grooves I are formed between the adjacent shoulder pattern blocks, a plurality of transverse pattern grooves II are formed between the adjacent middle pattern blocks, and a plurality of transverse pattern grooves III are formed between the adjacent central pattern blocks; a step-shaped reinforcing protrusion is arranged between the transverse pattern groove I and the longitudinal pattern groove I; the transverse pattern groove II is Z-shaped, two sides of the transverse pattern groove II are communicated, and a reinforcing protrusion is arranged at the center of the transverse pattern groove II; and two sides of the transverse pattern groove III are communicated.

4. High-performance HT radial tire according to claim 1, characterized in that: the central pattern block is provided with sipes I, the sipes I are arranged on the central pattern block in a centrosymmetric manner, the sipes I are in a variable-depth reinforcing design, and the depth ratio of the sipes I is 5.5 +/-0.5: 9.

5. High-performance HT radial tire according to claim 1, characterized in that: the middle pattern block is provided with sipes II, the sipes II are arranged on the middle pattern block in a centrosymmetric manner, the sipes II are in a variable-depth reinforcing design, and the depth ratio of the sipes II is 1 +/-0.2: 3.

6. High-performance HT radial tire according to claim 1, characterized in that: the shoulder pattern blocks are provided with tool grooves III, and small grooves which are lapped with the tool grooves III are further arranged on the shoulder pattern blocks.