Sand tread pattern structure with low rolling resistance

By designing a deep and shallow tread groove structure and reinforcing the internal structure on sand tires, the problem of sand expulsion when reducing rolling resistance in existing sand tires has been solved, improving grip and driving stability, and enhancing tire durability and handling.

CN223904813UActive Publication Date: 2026-02-13TAI ZHOU TAI YANG FENG XIANG JIAO YOU XIAN GONG SI
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Patent Information

Application Number
CN202520641462.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-08
Publication Date
2026-02-13
Estimated Expiration
2035-04-08

AI Technical Summary

Technical Problem

Existing sand tire tread structures reduce rolling resistance but lack sand-expelling mechanisms, affecting grip and driving stability, resulting in increased rolling resistance and insufficient durability, stability, and handling.

Method used

The design incorporates deep and shallow tread grooves, as well as interconnected deep and shallow tread grooves, forming primary and secondary drainage and sand removal channels. Combined with wear-resistant rubber layers, steel wire layers, steel wire bundle layers, and cord fabric layers, this enhances the tire's durability and stability.

Benefits of technology

It effectively reduces rolling resistance, improves grip and driving stability, extends service life, and enhances tire durability and handling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a sand tire pattern structure with low rolling resistance, which relates to the field of tires, and comprises a sand tire body, the sand tire body comprises a tire body, the outer wall of the tire body is fixedly connected with a tire crown, and the outer wall of the tire crown is provided with a pattern structure for reducing rolling resistance; the pattern structure comprises two deep tread pattern grooves, a plurality of deep tread pattern grooves are formed in the outer wall of the tire crown, and the deep tread pattern grooves are positioned at the two deep tread pattern grooves. By arranging the deep tread pattern grooves, the shallow tread pattern grooves, the deep tread pattern grooves and the shallow tread pattern grooves, in order to achieve the effects that the sand tread pattern structure reduces rolling resistance, traction force is conveniently improved, stability is enhanced, and the sand environment adapting effect is achieved, the wear-resistant rubber layer, the steel wire layer, the apex layer, the steel wire belt ply and the cord fabric layer are arranged; the sand tire has the advantages of being high in durability, high in stability, convenient to control and good in safety.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tire, concretely to a low rolling resistance sand tire pattern structure. BACKGROUND

[0002] Tire is the annular elastic rubber product assembled on various vehicles or machines such as automobile, bicycle, motorcycle, engineering machinery and agricultural machinery, and the sand tire pattern structure is needed when the tire runs on sand; the existing sand tire pattern structure has the problem that the pattern block is small or the pattern groove is shallow due to the fact that part of the sand tire pattern design pays too much attention to the rolling resistance, so that the sand tire pattern structure cannot provide sufficient grip on sand.

[0003] In order to overcome the above defects, the prior art (application number: 201721067292.6, application date: August 24, 2017, Chinese patent) discloses a low rolling resistance tire, the tire has uniform ground pressure distribution and low rolling resistance, compared with the existing single-layer tread, the pattern has fewer heat dissipation small knife grooves, the utility model adopts double-layer tread design, the rolling resistance performance of the product, reduces the fuel consumption of the vehicle, and can be used in long-distance steering wheel vehicles.

[0004] Although the prior art can solve the problem that the tire has uniform ground pressure distribution and low rolling resistance, although the rolling resistance is reduced by optimizing the pattern structure and matching the tread rubber, the sand discharge structure is not designed, sand cannot be discharged, the grip and running stability of the tire are easily affected, the rolling resistance of the tire is increased, and the tire cannot have the multiple effects of high durability, high stability, convenient control, and good safety.

[0005] Therefore, we propose a low rolling resistance sand tire pattern structure to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a low rolling resistance sand tire pattern structure to solve the problem that the tire cannot have the multiple effects of high durability, high stability, convenient control, and good safety in the prior art.

[0007] To achieve the above object, the utility model provides the following technical scheme: A sand tire pattern structure of low rolling resistance, including sand tire body, the sand tire body includes the carcass, the outer wall of the carcass is fixedly connected with the crown, the outer wall of the crown is equipped with the pattern structure for reducing the rolling resistance, the pattern structure includes two deep tread pattern grooves, the outer wall of the crown is equipped with a plurality of deep tread pattern grooves, and the deep tread pattern groove is located at two deep tread pattern grooves, the inside of the carcass is provided with the fixed structure for enhancing the durability of the tire, the carcass includes the wear -resistant rubber layer, the inner wall of the wear -resistant rubber layer is fixedly connected with the steel wire layer, the inner wall of the steel wire layer is fixedly installed with the triangular rubber layer, the inner wall of the triangular rubber layer is fixedly connected with the airtight layer.

[0008] As the preferred technical scheme of the application, the two sides of the sand tire body are fixedly connected with the sidewall body, and the inside of the sidewall body is fixedly installed with the rim.

[0009] As the preferred technical scheme of the application, the outer wall of the crown is equipped with two shallow tread pattern grooves, and the outer wall of the crown is equipped with a plurality of shallow tread pattern grooves, and the shallow tread pattern groove is located at two shallow tread pattern grooves.

[0010] As the preferred technical scheme of the application, the outer wall of the wear -resistant rubber layer top is fixedly installed with the steel wire belt layer, the top of the steel wire belt layer is fixedly connected with the cord fabric layer, the top of the cord fabric layer is fixedly installed with the protective layer, and the top of the protective layer is fixedly connected with the bottom glue layer.

[0011] As the preferred technical scheme of the application, the deep tread pattern groove and the deep tread pattern groove are communicated, the deep tread pattern groove is set as long longitudinal and transverse interlaced groove, and the two main drainage and sand removal channels are formed on the outer wall of the crown through the deep tread pattern groove, which helps to quickly remove sand particles and reduce the rolling resistance when the sand tire body drives on the sand.

[0012] As the preferred technical scheme of the application, the shallow tread pattern groove and the shallow tread pattern groove are communicated, the shallow tread pattern groove is set as short longitudinal and transverse interlaced groove, and the two auxiliary drainage and sand removal channels are formed on the outer wall of the crown through the shallow tread pattern groove, which improves the sand removal efficiency of the tire in cooperation with the deep tread pattern groove.

[0013] As a preferred technical scheme of the present application, the steel wire belt layer is tightly attached to both the cord layer and the protective layer, and the steel wire belt layer is formed by interlacing multiple layers of steel wire belts, the cord layer is made of nylon material, and the protective layer is made of rubber material, the steel wire belt layer formed by interlacing multiple layers of steel wire belts further enhances the rigidity and stability of the tire, improves the controllability and durability of the tire, and the cord layer connected to the steel wire belt layer is made of nylon material, as one of the main force-bearing structures of the tire, can effectively bear the tensile and compressive forces received by the tire during driving.

[0014] Compared with the prior art, the sand tire pattern structure with low rolling resistance has the advantages that the deep tread pattern grooves and the shallow tread pattern grooves are provided as main drainage and sand discharge channels, the stability of the tire on the sand ground is maintained, and the occurrence of side slipping and skidding is reduced.

[0015] 1. The deep tread pattern grooves and the shallow tread pattern grooves are provided as main drainage and sand discharge channels, which can maintain the stability of the tire on the sand ground and reduce the occurrence of side slipping and skidding.

[0016] Further, the deep tread pattern grooves and the shallow tread pattern grooves are provided, and the long and cross deep tread pattern grooves and the end and cross shallow tread pattern grooves are designed, which helps to increase the contact area of the tire with the sand ground and improve the traction of the tire on the sand ground.

[0017] 2. The wear-resistant rubber layer, the steel wire layer, the triangular rubber layer, the steel wire belt layer and the cord layer are provided, the wear-resistant rubber layer and the steel wire layer are used in cooperation, the tire can better resist wear and deformation during long-time driving, thereby prolonging the service life of the tire, the triangular rubber layer and the steel wire belt layer are added to enhance the stability and rigidity of the tire, reduce the occurrence of side slipping and skidding, and improve the driving safety, and the cord layer is used in cooperation to improve the controllability of the tire. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a front view structural schematic diagram of the utility model;

[0019] Figure 2 It is a side view structural schematic diagram of the utility model;

[0020] Figure 3 It is a sand tire body local structure schematic diagram of the utility model;

[0021] Figure 4 It is an explosion schematic view of the utility model;

[0022] Figure 5 It is a partial cross-sectional structure schematic view of the sand tire body of the utility model;

[0023] Figure 6 It is the utility model Figure 5 The enlarged structure schematic view of A in the middle.

[0024] In the figure: 1, sand tire body; 2, carcass; 3, crown; 4, deep tread pattern groove; 5, deep tread pattern groove; 6, shallow tread pattern groove; 7, shallow tread pattern groove; 8, side body; 9, rim; 10, wear-resistant rubber layer; 11, steel wire layer; 12, triangular rubber layer; 13, airtight layer; 14, bottom rubber layer; 15, cord layer; 16, steel wire belt layer; 17, protective layer. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides the following technical scheme:

[0027] Embodiment one: in order to solve the problem that the tire on the market is not designed to discharge sand structure when in use, although the optimized tire reduces the rolling resistance through the optimization of pattern structure and the matching of tread rubber, but cannot discharge sand, which easily affects the tire grip and driving stability, thereby increasing the rolling resistance of the tire, the low rolling resistance sand tire pattern structure in the embodiment discloses the following technical content, which can refer to the attached Figure 1 -attached Figure 4, including sand tire body 1, sand tire body 1 includes tire body 2, the outer wall of tire body 2 is fixedly connected with the crown 3, the outer wall of the crown 3 is provided with the pattern structure for reducing the rolling resistance;The pattern structure includes two deep tread grooves 4, the outer wall of the crown 3 is provided with a plurality of deep tread grooves 5, and the deep tread grooves 5 are located at two deep tread grooves 4;The two sides of sand tire body 1 are fixedly connected with the side body 8, and the inside of the side body 8 is fixedly installed with the rim 9;The outer wall of the crown 3 is provided with two shallow tread grooves 6, the outer wall of the crown 3 is provided with a plurality of shallow tread grooves 7, and the shallow tread grooves 7 are located at two shallow tread grooves 6;Deep tread groove 4 and deep tread groove 5 are provided with communication, and deep tread groove 5 is provided as a long longitudinal and transverse intersecting groove;The shallow tread groove 6 and the shallow tread groove 7 are provided with communication, and the shallow tread groove 7 is provided as a short longitudinal and transverse intersecting groove.

[0028] The two main drainage and sand removal channels are formed on the outer wall of the crown 3 by the deep tread groove 4, which helps to quickly remove sand particles when the sand tire body 1 drives on the sand, reduces the rolling resistance, and at the same time, the deep tread groove 5 is located between the two deep tread grooves 4 and is provided as a long longitudinal and transverse intersecting groove, which further enhances the sand removal capacity of the tire and also helps to increase the contact area of the tire and the sand, improve the traction, and the two auxiliary drainage and sand removal channels are formed on the outer wall of the crown 3 by the shallow tread groove 6, which cooperates with the deep tread groove 4 to improve the sand removal efficiency of the tire, and at the same time, the shallow tread groove 7 is located between the two shallow tread grooves 6 and is provided as a short longitudinal and transverse intersecting groove, which helps to form more micro-channels when the tire rolls, further reducing the rolling resistance, and the deep tread groove 4 and the deep tread groove 5, the shallow tread groove 6 and the shallow tread groove 7 are provided with communication, which helps to form continuous and unobstructed sand removal channels when the tire rolls, improves the sand removal efficiency, so as to realize the sand tire pattern structure to reduce the rolling resistance, improve the traction, enhance the stability and adapt to the sand environment effect.

[0029] Example two: the low rolling resistance sand tire pattern structure in the embodiment discloses the following technical content, in order to realize the multiple effects of strong durability, high stability, convenient operation and good safety of sand tire, can refer to the attached Figure 1 , attached Figure 5 -attached Figure 6The inner part of the tire body 2 is provided with a fixed structure for enhancing the durability of the tire, and the tire body 2 comprises a wear-resistant rubber layer 10, the inner wall of the wear-resistant rubber layer 10 is fixedly connected with a steel wire layer 11, the inner wall of the steel wire layer 11 is fixedly installed with a triangular rubber layer 12, the inner wall of the triangular rubber layer 12 is fixedly connected with an airtight layer 13; the outer wall of the top of the wear-resistant rubber layer 10 is fixedly installed with a steel wire belt layer 16, the top of the steel wire belt layer 16 is fixedly connected with a cord fabric layer 15, the top of the cord fabric layer 15 is fixedly installed with a protective layer 17, and the top of the protective layer 17 is fixedly connected with a base rubber layer 14; the steel wire belt layer 16 is tightly attached to the cord fabric layer 15 and the protective layer 17, and the steel wire belt layer 16 is interwoven by multiple layers of steel wire belts, the cord fabric layer 15 is made of nylon material, and the protective layer 17 is made of rubber material.

[0030] The wear-resistant rubber layer 10 is located at the outermost layer of the tire body 2 and directly contacts the ground, and is made of high wear-resistant rubber material, which can effectively resist the friction and wear caused by the tire during driving, thereby prolonging the service life of the tire, the steel wire layer 11 is located at the inner wall of the wear-resistant rubber layer 10 and is interwoven by multiple steel wires, which can provide firm support for the tire, enhance the strength and rigidity of the tire, and make the tire better withstand the impact and pressure from the road, and the triangular rubber layer 12 made of high-elastic rubber material can not only increase the rigidity and stability of the tire, but also effectively relieve the vibration and impact from the road, improve the controllability and comfort of the tire, the steel wire belt layer 16 interwoven by multiple layers of steel wire belts can further enhance the rigidity and stability of the tire, improve the controllability and durability of the tire, and the cord fabric layer 15 connected with the steel wire belt layer 16 is made of nylon material, which is one of the main force-bearing structures of the tire and can effectively withstand the tensile and compressive forces during driving, and the protective layer 17 made of rubber material can protect the internal structure of the tire from external damage such as scratching and impact, thereby achieving the multiple effects of strong durability, high stability, easy control and safety of the sand tire.

[0031] The contents not described in detail in the specification belong to the prior art known to those skilled in the art.

[0032] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A sand tire tread structure with low rolling resistance, comprising a sand tire body (1), wherein the sand tire body (1) comprises a tire carcass (2), wherein a tire crown (3) is fixedly connected to the outer wall of the tire carcass (2), and the outer wall of the tire crown (3) is provided with a tread structure for reducing rolling resistance. Its features are: The tread pattern includes two deep tread grooves (4), and the outer wall of the tread crown (3) is provided with several deep tread grooves (5), and the deep tread grooves (5) are located at the two deep tread grooves (4). The tire carcass (2) has a fixed structure inside to enhance tire durability. The tire carcass (2) includes a wear-resistant rubber layer (10). A steel wire layer (11) is fixedly connected to the inner wall of the wear-resistant rubber layer (10). A triangular rubber layer (12) is fixedly installed on the inner wall of the steel wire layer (11). An airtight layer (13) is fixedly connected to the inner wall of the triangular rubber layer (12).

2. The low rolling resistance tread pattern structure for sand tires according to claim 1, characterized in that: The sand tire body (1) is fixedly connected to both sides of the sidewall body (8), and the sidewall body (8) is fixedly installed with a rim (9).

3. The low rolling resistance tread pattern structure for sand tires according to claim 1, characterized in that: The outer wall of the crown (3) is provided with two shallow tread grooves (6) and a number of shallow tread grooves (7) are provided on the outer wall of the crown (3), and the shallow tread grooves (7) are located at the two shallow tread grooves (6).

4. The low rolling resistance tread pattern structure for sand tires according to claim 1, characterized in that: A steel wire bundle layer (16) is fixedly installed on the outer wall of the top of the wear-resistant adhesive layer (10). A curtain fabric layer (15) is fixedly connected to the top of the steel wire bundle layer (16). A protective layer (17) is fixedly installed on the top of the curtain fabric layer (15). A base adhesive layer (14) is fixedly connected to the top of the protective layer (17).

5. The low rolling resistance tread pattern structure for sand tires according to claim 1, characterized in that: The deep tread groove (4) and the deep tread groove (5) are connected, and the deep tread groove (5) is configured as a long, crisscrossing groove.

6. The low rolling resistance tread pattern structure for sand tires according to claim 3, characterized in that: The shallow tread grooves (6) and the shallow tread grooves (7) are connected, and the shallow tread grooves (7) are short, intersecting grooves.

7. The low rolling resistance sand tire tread structure according to claim 4, characterized in that: The steel wire bundle layer (16) is tightly bonded to the curtain fabric layer (15) and the protective layer (17), and the steel wire bundle layer (16) is made of multiple layers of interwoven steel wires. The curtain fabric layer (15) is made of nylon material, and the protective layer (17) is made of rubber material.

Citation Information

Patent Citations

  • Tire with low rolling resistance

    CN207359988U