High wear resistance type semi-steel radial tire
Patent Information
- Application Number
- CN202522435648.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-17
- Publication Date
- 2026-09-22
- Estimated Expiration
- 2035-11-17
AI Technical Summary
[0003]现有技术中的高耐磨型半钢子午线轮胎的胎面纵向沟槽,是保障雨天排水防侧滑和行驶散热的核心结构,但在实际使用中,沟槽易因路面石子卡滞导致排水效率下降,削弱了雨天防侧滑性能,因此,需要一种高耐磨型半钢子午线轮胎
[0018]本申请技术方案通过隔板能够阻挡大直径石子进入沟槽并卡滞,保障雨水沿沟槽顺畅排出,进而增强胎体雨天防侧滑性能,且隔板朝向胎体滚动方向一侧的倒角,通过形成连续平滑斜面引导水流快速下泄,让石子顺畅滑离沟槽,进一步保障排水防卡滞效果,同时能分散应力以提升结构稳定性。
Smart Images

Figure CN224781652U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of radial tire technology, specifically a high wear-resistant semi-steel radial tire. Background Technology
[0002] Radial tires are a type of tire structure, distinct from bias-ply tires, arched tires, and adjustable-pressure tires. Developed in 1946 by the French tire company Michelin, they are named for the meridian-like arrangement of their carcass cords, and their international code is "R." They are also known as steel-belted tires. Based on materials, they are classified into all-steel-belted, semi-steel-belted, and all-fiber radial tires, used in trucks, cars, and tractors, respectively. These tires offer advantages such as wear resistance, good cushioning, rapid heat dissipation, and low rolling resistance.
[0003] The longitudinal grooves in the tread of existing high wear-resistant semi-steel radial tires are the core structure for ensuring drainage, anti-skid, and heat dissipation in rainy weather. However, in actual use, the grooves are prone to getting stuck by stones on the road, which reduces drainage efficiency and weakens the anti-skid performance in rainy weather. Therefore, a high wear-resistant semi-steel radial tire is needed. Utility Model Content
[0004] The purpose of this invention is to provide a high wear-resistant semi-steel radial tire, which solves the problems mentioned in the background art.
[0005] This application provides a high wear-resistant semi-steel radial tire, including a tire carcass. Both outer walls of the tire carcass are integrally vulcanized with sidewalls. The tread of the sidewalls is provided with grooves along the circumferential direction. A partition is laterally fixedly connected inside the groove. Multiple partitions are provided and are distributed at equal intervals along the circumferential direction of the tire carcass. The side of the partition facing the rolling direction of the tire carcass is provided with a chamfer, which covers the upper and lower connecting right angles on that side.
[0006] During use, the baffle and groove are integrally vulcanized, which improves the stability of the baffle installation. The baffle can prevent large-diameter stones from entering the groove and get stuck, ensuring that rainwater can be smoothly discharged along the groove, thereby enhancing the tire's anti-skid performance in rainy weather. The chamfer on the side of the baffle facing the rolling direction of the tire forms a continuous and smooth slope to guide the water flow to drain quickly. This not only guides the water flow to drain quickly, but also allows stones to slide smoothly away from the groove, further ensuring the drainage and anti-jamming effect. At the same time, it can disperse stress to improve structural stability. Small-diameter stones and silt can be smoothly discharged with rainwater through the gaps between the baffles, avoiding accumulation and blockage. The reasonable 15-20mm spacing between the baffles does not obstruct air circulation, ensuring that the heat dissipation function of the tire is not affected.
[0007] Optionally, the chamfer is 45°±5°.
[0008] By adopting the above technical solutions, drainage can be prevented from getting stuck, stress can be dispersed, and structural stability can be improved.
[0009] Optionally, the spacing between the plurality of partitions is 15-20 mm.
[0010] By adopting the above technical solution, large-diameter stones can be blocked, and small stones can be discharged directly through the gaps, without accumulating inside the trench.
[0011] Optionally, the partition is made of rubber.
[0012] By adopting the above technical solution, it can adapt to tire deformation, buffer the impact of stones, and provide wear-resistant and scratch-resistant grooves.
[0013] Optionally, the thickness of the partition is 1.5-2.5mm, and the height difference between the top surface of the partition and the top surface of the groove is 1-2mm.
[0014] By adopting the above technical solution, it is possible to avoid the partition protruding from the tire tread, thus preventing the partition from contacting and wearing out with the ground.
[0015] Optionally, the tire carcass is woven from rayon cord and compounded with rubber, and a steel cord layer is provided between the tire carcass and the tread, the steel cord layer being continuously distributed along the circumference of the tire carcass.
[0016] By adopting the above technical solutions, which balance flexibility and strength, the tread support can be enhanced, deformation can be limited, and stress can be distributed evenly, thereby improving the overall stability and wear life of the tire.
[0017] Compared with the prior art, the beneficial effects of the technical solution of this application are as follows:
[0018] The technical solution of this application uses a baffle to prevent large-diameter stones from entering the ditch and get stuck, ensuring that rainwater can be smoothly discharged along the ditch, thereby enhancing the anti-skid performance of the tire body in rainy weather. In addition, the chamfer on the side of the baffle facing the rolling direction of the tire body forms a continuous and smooth slope to guide the water flow to drain quickly, allowing the stones to slide smoothly away from the ditch, further ensuring the drainage and anti-jamming effect, while also dispersing stress to improve structural stability. Attached Figure Description
[0019] Other features, objects, and advantages of this invention will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings:
[0020] Figure 1 This is a schematic diagram of the overall structure of a high wear-resistant semi-steel radial tire according to this utility model;
[0021] Figure 2 for Figure 1 A magnified schematic diagram of the local structure of region A;
[0022] Figure 3 This is a schematic cross-sectional view of the tire carcass of a high wear-resistant semi-steel radial tire according to this utility model.
[0023] Figure 4 This is a side view of the diaphragm structure of a high wear-resistant semi-steel radial tire according to the present invention.
[0024] In the diagram: 1. Sidewall; 2. Carcass; 3. Anti-skid pattern; 4. Groove; 5. Separator; 6. Chamfer; 7. Steel cord layer. Detailed Implementation
[0025] Please see Figure 1-4 This utility model provides a technical solution: a high wear-resistant semi-steel radial tire, including a tire body 2, with sidewalls 1 integrally vulcanized on both outer walls of the tire body 2. Grooves 4 are formed along the circumferential direction on the tread of the sidewalls 1. A partition 5 is horizontally fixedly connected inside the grooves 4. The partition 5 is integrally vulcanized with the grooves 4. Multiple partitions 5 are provided, and the multiple partitions 5 are evenly distributed along the circumferential direction of the tire body 2. The spacing between the multiple partitions 5 is 15-20mm. It can block large-diameter stones, and small stones can be discharged directly through the spacing without accumulating inside the grooves 4. The side of the partition 5 facing the rolling direction of the tire body 2 is provided with a chamfer 6, which covers the upper and lower connecting right angles on this side. The chamfer 6 is 45°±5°. It can ensure drainage and prevent jamming, disperse stress and improve structural stability.
[0026] In the technical solution of this utility model, the partition 5 is made of rubber material; it can adapt to tire deformation, buffer the impact of stones, and is wear-resistant and scratch-resistant to the groove 4.
[0027] In the technical solution of this utility model, the thickness of the partition 5 is 1.5-2.5mm, and the height difference between the top surface of the partition 5 and the top surface of the groove 4 is 1-2mm; this can prevent the partition 5 from protruding from the tire surface of the tire body 2, so as to avoid the partition 5 from contacting and wearing with the ground.
[0028] In the technical solution of this utility model, the tire body 2 is woven from rayon cord and compounded with rubber. A steel cord layer 7 is provided between the tire body 2 and the tire tread. The steel cord layer 7 is continuously distributed along the circumference of the tire body 2. It takes into account both flexibility and strength, which can enhance the support of the tire tread, limit deformation and distribute the force evenly, thereby improving the overall stability and wear resistance of the tire body 2.
[0029] During use, the partition 5 and the groove 4 are integrally vulcanized, which improves the firmness of the partition 5 installation. The partition 5 can prevent large-diameter stones from entering the groove 4 and getting stuck, ensuring that rainwater can be smoothly discharged along the groove 4, thereby enhancing the anti-slip performance of the tire body 2 in rainy weather. The chamfer 6 on the side of the partition 5 facing the rolling direction of the tire body 2 forms a continuous and smooth slope to guide the water flow to drain quickly. This not only guides the water flow to drain quickly, but also allows stones to slide smoothly away from the groove 4, further ensuring the drainage and anti-jamming effect. At the same time, it can disperse stress to improve structural stability. Small-diameter stones and silt can be smoothly discharged with rainwater through the gaps between the partitions 5, avoiding accumulation and blockage. The reasonable 15-20mm spacing between the partitions 5 does not obstruct air circulation, ensuring that the heat dissipation function of the tire body 2 is not affected.
Claims
1. A high wear-resistant semi-steel radial tire, characterized in that: The tire includes a carcass (2), and both outer walls of the carcass (2) are integrally vulcanized with sidewalls (1). The tread of the sidewalls (1) is provided with grooves (4) along the circumferential direction. A partition (5) is fixedly connected to the inside of the grooves (4) laterally. There are multiple partitions (5), and the multiple partitions (5) are distributed at equal distances along the circumferential direction of the carcass (2). The side of the partition (5) facing the rolling direction of the carcass (2) is provided with a chamfer (6), and the chamfer (6) covers the upper and lower connecting right angles on that side.
2. The high wear-resistant semi-steel radial tire according to claim 1, characterized in that, The chamfer (6) is 45°±5°.
3. The high wear-resistant semi-steel radial tire according to claim 1, characterized in that, The spacing between the multiple partitions (5) is 15-20 mm.
4. A high wear-resistant semi-steel radial tire according to claim 1, characterized in that, The partition (5) is made of rubber.
5. A high wear-resistant semi-steel radial tire according to claim 1, characterized in that, The thickness of the partition (5) is 1.5-2.5 mm, and the height difference between the top surface of the partition (5) and the top surface of the groove (4) is 1-2 mm.
6. A high wear-resistant semi-steel radial tire according to claim 1, characterized in that, The tire body (2) is woven from rayon cord and compounded with rubber. A steel cord layer (7) is provided between the tire body (2) and the tire tread. The steel cord layer (7) is continuously distributed along the circumference of the tire body (2).