Special high-mileage oil-saving tread pattern for high-horsepower double drive
By optimizing the design of the center tread ribs and shoulder grooves, the wear and rolling resistance problems of high-horsepower dual-drive tires have been solved, achieving high wear resistance and low rolling resistance, thus meeting customers' needs for high mileage and fuel efficiency.
Patent Information
- Application Number
- CN202520756164.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-21
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-21
AI Technical Summary
Existing high-horsepower dual-drive tire products are insufficient in terms of driving performance and fuel economy, failing to meet customer needs, and the tread design results in high wear and rolling resistance.
The optimized center rib and shoulder sipe design includes alternating deep and shallow sipes and oblique grooves, combined with V-shaped and L-shaped tread groove units, to form a regular tread pattern structure, enhancing wear resistance and reducing rolling resistance.
It extends tire life, reduces rolling resistance, and improves driving performance, meeting customers' needs for high-mileage fuel efficiency.
Smart Images
Figure CN223904812U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tire field, concretely relates to a high mileage fuel -efficient tread pattern special for big horsepower double -drive. BACKGROUND
[0002] The design form of the pattern has a huge influence on the tire performance, is an important link of ensuring the driving safety, and is a very key design project in the tire product development process.
[0003] After the implementation of the national standard "Automobile, Trailer and Automobile Train External Dimension, Axle Load and Mass Limit" (GB 1589-2016), in order to cope with the new traffic regulations, the single drive is changed into double drive for the general cargo transportation, coal transportation and other industry vehicle models. The user demand of the drive wheel product also changes: 1) with the continuous increase of the vehicle horsepower, the customer changes from single tire to double tire and installation, and the driving performance requirement of the tire is weakened; 2) in order to reduce the operation cost, many domestic customers need the driving wheel product with higher mileage and more fuel saving. Therefore, it is urgent to develop a double -drive special high mileage fuel -efficient tire product.
[0004] The current technical means product status: 1) the drive wheel product generally adopts large block design, the driving force is strong, but the oil consumption is higher, and it does not match the current customer demand; 2) the current product pattern groove is more saturated, and the product mileage is insufficient, and the market competitiveness is poor.
[0005] In view of the demand of the customer, we develop a double -drive special high mileage fuel -efficient tire. The pattern design of the tire fully considers the problem of abnormal wear of the drive tire product, optimizes the design of the center pattern rib and the shoulder knife slot, so that the tire has higher wear resistance and lower rolling resistance performance, and helps the customer to reduce the use cost. Utility model content
[0006] In order to solve the above technical problems, the utility model provides a high mileage fuel -efficient tread pattern special for big horsepower double -drive, so that the tire has higher wear resistance and lower rolling resistance performance.
[0007] The specific technical scheme of the utility model is as follows:
[0008] The utility model provides a high mileage fuel -saving tread pattern special for big horsepower double -drive, including the central pattern rib of middle tread, the outside of central pattern rib is distributed a crown pattern rib, the outside of two crown pattern ribs is distributed a shoulder pattern rib, the tread between central pattern rib and crown pattern rib is crown pattern groove, the tread between crown pattern rib and shoulder pattern rib is shoulder pattern groove, crown pattern groove includes series V type pattern groove unit, V type pattern groove unit includes pattern groove unit first straight line segment and pattern groove unit second straight line segment, the junction of pattern groove unit first straight line segment and pattern groove unit second straight line segment is bending point I, shoulder pattern groove includes series L type pattern groove unit, L type pattern groove unit includes pattern groove unit short straight line segment and pattern groove unit long straight line segment, the junction of pattern groove unit short straight line segment and pattern groove unit long straight line segment is bending point II, the bending point I of V type pattern groove unit corresponds with the bending point II of L type pattern groove unit, central pattern rib and crown pattern rib are all divided by deep and shallow interlaced deep groove or shallow groove, the deep groove or shallow groove on central pattern rib is V type, and the bending portion is with arc transition, and the end point is connected at the end point of both sides V type pattern groove unit along the tire transverse penetration, the end point of V type pattern groove unit is connected with the deep groove or shallow groove on central pattern rib, the deep groove or shallow groove on crown pattern rib is Z type, and one end point is connected in the midpoint of pattern groove unit short straight line segment, and the other end point is connected in the bending point I of V type pattern groove unit, and the two end points of the deep groove or shallow groove on a crown pattern rib are connected in the bending point I of V type pattern groove unit and the midpoint of pattern groove unit short straight line segment of corresponding L type pattern groove unit penetration, and the bending point I of V type pattern groove unit and the midpoint of pattern groove unit short straight line segment of corresponding L type pattern groove unit are connected with the deep groove or shallow groove on a crown pattern rib penetration, the shoulder pattern rib is divided by interlaced setting diagonal groove or shoulder groove, and the inside end point of diagonal groove is connected in pattern groove unit short straight line segment, and the shoulder groove is Z type, and the inside end point is connected in the midpoint of pattern groove unit short straight line segment, and the tread pattern is formed right pattern by mirror symmetry with the left pattern of central axis, and it is single guide pattern.
[0009] The included angle b between shoulder groove and tire axis is 15-20 DEG, the deep groove or shallow groove on crown pattern rib and shoulder groove are same, and the shoulder groove and the deep groove or shallow groove on crown pattern rib on the same side are parallel, the included angle a between the deep groove or shallow groove on central pattern rib and tire axis is 15-20 DEG, and the included angle c between diagonal groove and tire axis is 15-20 DEG.
[0010] The inside end point of shoulder groove and the outside end point of deep groove on crown pattern rib are connected in the midpoint of same pattern groove unit short straight line segment.
[0011] The connecting rib is fixed at the bottom of the inclined groove.
[0012] The width ratio of the shoulder groove and the crown groove is 2:1; the shoulder groove and the crown groove have the same depth; the width ratio of the shoulder rib, the crown rib and the center rib is 1.2:1:1.03; the depth ratio of the deep sipe and the shallow sipe is 1.5:1; the depth of the shoulder groove is 2-5 mm; the width of the shallow sipe, the deep sipe and the shoulder sipe is the same, and the width is 0.6 mm-1 mm; the width of the inclined groove is 8 mm-10 mm; the depth of the inclined groove is 80%-82% of the depth of the shoulder groove or the crown groove.
[0013] Compared with the prior art, the technical effect of the utility model is that, by optimizing the design of the center rib and the shoulder sipe, the tire can bear pressure more evenly when subjected to various forces in the vehicle load and driving, reduces the deformation and wear of the tire locally, and prolongs the service life of the tire; at the same time, the structure of the tread is more regular, which is beneficial to dispersing pressure, and thus reduces the rolling resistance. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a plane structure schematic view of the tire tread pattern (1) of the utility model.
[0015] Figure 2 It is a plane structure schematic view of the tire tread pattern (2) of the utility model.
[0016] Figure 3 It is a pattern block plane structure schematic view of the center rib of the utility model which is divided by the deep sipe 6 or the shallow sipe 7.
[0017] Figure 4 It is a pattern block plane structure schematic view of the crown rib of the utility model which is divided by the deep sipe 6 or the shallow sipe 7.
[0018] Figure 5 It is a cross-sectional schematic view of the crown groove 4 of the utility model.
[0019] Figure 6 It is a cross-sectional schematic view of the shoulder groove 5 of the utility model.
[0020] Wherein, 1 center pattern rib; 2 crown pattern rib; 3 shoulder pattern rib; 4 crown pattern groove; 401 V-shaped pattern groove unit; 402 pattern groove unit first straight section; 403 pattern groove unit second straight section; 4001 bending point I; 5 shoulder pattern groove; 501 L-shaped pattern groove unit; 502 pattern groove unit short straight section; 503 pattern groove unit long straight section; 5001 bending point II; 6 deep groove; 601 included angle a; 7 shallow groove; 8 shoulder groove; 801 included angle b; 9 inclined groove; 901 included angle c; 10 connecting rib. DETAILED DESCRIPTION
[0021] The utility model embodiment provides a high mileage fuel -efficient tire special for big horsepower double -drive, make the tire have lower rolling resistance performance while having higher wear resistance.
[0022] Please refer to Figures 1 to 4 , it is a kind of tire tread pattern plane structure schematic diagram provided in the utility model embodiment.
[0023] A high mileage fuel -efficient tire tread pattern special for big horsepower double -drive, including the center pattern rib 1 in middle tire tread, the outer side of center pattern rib 1 is evenly distributed one crown pattern rib 2, the outer side of two crown pattern ribs 2 is evenly distributed one shoulder pattern rib 3;The tire tread between center pattern rib 1 and crown pattern rib 2 is crown pattern groove 4, and the tire tread between crown pattern rib 2 and shoulder pattern rib 3 is shoulder pattern groove 5.
[0024] Crown pattern groove 4 includes series V-shaped pattern groove unit 401, and V-shaped pattern groove unit 401 includes pattern groove unit first straight section 402 and pattern groove unit second straight section 403, and the junction of pattern groove unit first straight section 402 and pattern groove unit second straight section 403 is bending point I 4001.
[0025] Shoulder pattern groove 5 includes series L-shaped pattern groove unit 501, and L-shaped pattern groove unit 501 includes pattern groove unit short straight section 502 and pattern groove unit long straight section 503, and the junction of pattern groove unit short straight section 502 and pattern groove unit long straight section 503 is bending point II 5001.
[0026] The bending point I 4001 of V-shaped pattern groove unit 401 and the bending point II 5001 of L-shaped pattern groove unit 501 correspond, i.e. bending point I 4001 and bending point II 5001 are on the same tire circumferential section horizontal center line.
[0027] To prevent excessive wear in certain areas of the tire, enhance wear resistance, and increase the contact area and coefficient of friction between the tire and the ground, both the center tread rib 1 and the crown tread rib 2 are evenly divided by alternating deep and shallow grooves 6 or shallow grooves 7. The deep grooves 6 or shallow grooves 7 on the center tread rib 1 are V-shaped, with an arc transition at the bend, and the endpoints are connected laterally along the tire to the endpoints of the V-shaped tread groove units 401 on both sides. Each endpoint of the V-shaped tread groove unit 401 is connected to a deep groove 6 or shallow groove 7 on the center tread rib 1. The deep grooves 6 or shallow grooves 7 on the crown tread rib 2 are Z-shaped, with one endpoint connected to the midpoint of the short straight segment 502 of the tread groove unit, and the other endpoint connected to the bend point I 4001 of the V-shaped tread groove unit 401.
[0028] The two ends of the deep groove 6 or shallow groove 7 on a tire tread rib 2 are respectively connected to the midpoint of the short straight segment 502 of the tread groove unit of the corresponding L-shaped tread groove unit 501 at the bending point I 4001 of the V-shaped tread groove unit 401. That is, the two ends of the deep groove 6 or shallow groove 7 on a tire tread rib 2 are respectively connected to the V-shaped tread groove unit 401 and the L-shaped tread groove unit 501 which are located at approximately the same tire circumferential cross section. The bending point I 4001 of the V-shaped tread groove unit 401 and the midpoint of the short straight segment 502 of the tread groove unit of the corresponding L-shaped tread groove unit 501 are both connected to the deep groove 6 or shallow groove 7 on a tire tread rib 2.
[0029] The shoulder tread ribs 3 are evenly divided by staggered oblique grooves 9 or shoulder sipes 8; the inner end of the oblique groove 9 is connected to the short straight segment 502 of the tread groove unit; the shoulder sipe 8 is Z-shaped and its inner end is connected to the midpoint of the short straight segment 502 of the tread groove unit; the staggered arrangement of the oblique grooves and the shoulder sipes can effectively resist lateral deformation and maintain the stability of the shoulder tread.
[0030] The tread pattern is formed by mirroring the pattern on the left side of the central axis to create the pattern on the right side, which is a unidirectional pattern.
[0031] The angle b 801 between the shoulder sipe 8 and the tire axle is 15°-20°; the shoulder sipe 8 has the same shape as the deep sipe 6 or shallow sipe 7 on the tread rib 2, and the shoulder sipe 8 on the same side is parallel to the deep sipe 6 or shallow sipe 7 on the tread rib 2; the angle a 601 between the deep sipe 6 or shallow sipe 7 on the center tread rib 1 and the tire axle is 15°-20°.
[0032] The inner end point of the shoulder groove 8 and the outer end point of the deep groove 6 on the tread rib 2 are connected at the midpoint of the short straight segment 502 of the same tread groove unit.
[0033] In order to effectively prevent the stone from being clamped and resist the groove bottom crack, the connecting rib 10 is fixed at the bottom of the inclined groove 9.
[0034] The width ratio of the shoulder pattern rib 3, the crown pattern rib 2 and the center pattern rib 1 is 1.2:1:1.03; the depth ratio of the deep sipe 6 and the shallow sipe 7 is 1.5:1; the depth of the shoulder groove 8 is 2-5 mm; the width of the shallow sipe 6, the deep sipe 7 and the shoulder sipe 8 is the same, and the width is 0.6 mm-1 mm; the width of the inclined groove 9 is 8 mm-10 mm; the angle c 901 between the inclined groove 9 and the tire axis is 15°-20°.
[0035] As shown in Figure 5 , Figure 6 , the width W1 ratio of the shoulder pattern groove 5 and the crown pattern groove 4 is 2:1, the depth of the shoulder pattern groove 5 and the crown pattern groove 4 is the same, and the bottom C1 arc of the shoulder pattern groove 5 and the crown pattern groove 4 is designed; the depth of the inclined groove 9 is 80%-82% of the depth of the shoulder pattern groove 5 or the crown pattern groove 4.
[0036] In summary, the utility model provides a high mileage fuel saving tread pattern special for large horsepower double drive, through optimizing the design of the center pattern rib and the shoulder sipe, the tire can bear pressure more evenly when subjected to various forces in the vehicle load and driving, reduces the local deformation and wear of the tire, and prolongs the service life of the tire; at the same time, the tread is more regular in structure, which is beneficial to disperse pressure, and further reduces the rolling resistance.
[0037] The preferred embodiments of the utility model are described above, but the protection scope of the utility model is not limited to this, it should be pointed out that, for the person skilled in the art and any person skilled in the art, under the premise that the overall concept of the utility model is not departed from, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change is made, and several changes and improvements are made, these should also be regarded as the protection scope of the utility model.
Claims
1. A high mileage fuel saving tread pattern for heavy duty dual drive vehicles, characterized in that, The center pattern rib is located in the middle of the tire tread, and the outer side of the center pattern rib is distributed with a crown pattern rib, and the outer side of the two crown pattern ribs is distributed with a shoulder pattern rib; the tire tread between the center pattern rib and the crown pattern rib is a crown pattern groove, and the tire tread between the crown pattern rib and the shoulder pattern rib is a shoulder pattern groove; The crown pattern groove comprises a series of V-shaped groove units, and the V-shaped groove unit comprises a first straight line segment and a second straight line segment, and the junction of the first straight line segment and the second straight line segment is a bending point I; the shoulder pattern groove comprises a series of L-shaped groove units, and the L-shaped groove unit comprises a short straight line segment and a long straight line segment, and the junction of the short straight line segment and the long straight line segment is a bending point II; the bending point I of the V-shaped groove unit corresponds to the bending point II of the L-shaped groove unit; The center pattern rib and the crown pattern rib are uniformly divided by deep and shallow alternating deep grooves or shallow grooves; the deep grooves or shallow grooves on the center pattern rib are V-shaped, the bending part is arc-shaped, and the end points are connected at the end points of the two V-shaped groove units in the tire transverse direction; the end points of the V-shaped groove unit are connected with a deep groove or a shallow groove on the center pattern rib; the deep grooves or shallow grooves on the crown pattern rib are Z-shaped, one end point is connected at the midpoint of the short straight line segment of the groove unit, and the other end point is connected at the bending point I of the V-shaped groove unit, and the two end points of the deep grooves or shallow grooves on one crown pattern rib are connected at the bending point I of the V-shaped groove unit and the midpoint of the short straight line segment of the corresponding L-shaped groove unit; the bending point I of the V-shaped groove unit and the midpoint of the short straight line segment of the corresponding L-shaped groove unit are connected with a deep groove or a shallow groove on the crown pattern rib; The shoulder pattern rib is uniformly divided by staggered diagonal grooves or shoulder grooves; the inner end point of the diagonal groove is connected at the short straight line segment of the groove unit; the shoulder groove is Z-shaped, and the inner end point is connected at the midpoint of the short straight line segment of the groove unit; The tire tread pattern is formed by mirror symmetry of the left pattern on the center axis, forming the right pattern, which is a single guide pattern.
2. A high mileage fuel efficient tread pattern for heavy duty dual drive vehicles as claimed in claim 1 wherein, The angle b between the shoulder groove and the tire axis is 15°-20°; the shoulder groove and the deep groove or the shallow groove on the crown pattern rib are the same shape, and the shoulder groove and the deep groove or the shallow groove on the crown pattern rib on the same side are parallel to each other; the angle a between the deep groove or the shallow groove on the center pattern rib and the tire axis is 15°-20°; the angle c between the diagonal groove and the tire axis is 15°-20°.
3. A high mileage fuel efficient tread pattern for heavy duty dual drive vehicles as claimed in claim 1 wherein, The inner end point of the shoulder groove and the outer end point of the deep groove on the crown pattern rib are connected at the midpoint of the same short straight line segment of the groove unit.
4. A high mileage fuel efficient tread pattern for heavy duty dual drive vehicles as claimed in claim 1 wherein, The diagonal groove is fixed with a connecting rib at the bottom.
5. A high mileage fuel efficient tread pattern for heavy duty dual drive vehicles as claimed in claim 1 wherein, The width ratio of the shoulder groove to the crown groove is 2:1; the shoulder groove and the crown groove have the same depth; the width ratio of the shoulder rib, the crown rib and the center rib is 1.2:1:1.03; the depth ratio of the deep sipe to the shallow sipe is 1.5:1; the depth of the shoulder groove is 2-5 mm; the width of the shallow sipe, the deep sipe and the shoulder sipe is the same, and the width is 0.6 mm-1 mm; the width of the diagonal groove is 8 mm-10 mm; the depth of the diagonal groove is 80%-82% of the depth of the shoulder groove or the crown groove.