CN216153509U - A safe and environmentally friendly summer SUV tire - Google Patents
A safe and environmentally friendly summer SUV tire Download PDFInfo
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- CN216153509U CN216153509U CN202120707599.8U CN202120707599U CN216153509U CN 216153509 U CN216153509 U CN 216153509U CN 202120707599 U CN202120707599 U CN 202120707599U CN 216153509 U CN216153509 U CN 216153509U
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Abstract
The utility model discloses a safe and environment-friendly summer SUV tire, which comprises a tire body and a crown tread rubber layer arranged on the surface of the tire body, wherein a tire part reinforcing part is arranged in the crown tread rubber layer, and a groove component is arranged on the surface of the crown tread rubber layer; the groove assembly includes longitudinal and lateral grooves that divide the tire tread into first, second, and third blocks; the transverse grooves comprise a first transverse groove, a second transverse groove and a third transverse groove; the tire tread is characterized in that a plurality of narrow auxiliary grooves are distributed on the circumferential surfaces of the second pattern block and the third pattern block, and when the tire tread is distributed at each pitch in the circumferential direction, a block-by-block and pitch-variable arrangement mode is adopted, and the low-noise characteristic of the tire is realized through simulation optimization analysis; through upper and lower shoulder groove dislocation and optimization angle, promote tire noise performance, optimize PRAT performance.
Description
Technical Field
The utility model relates to the technical field of tires, in particular to a safe and environment-friendly summer SUV tire.
Background
With the continuous development of the domestic SUV market, the safety and the comfort of the SUV become the driving guarantee that the consumers pursue high quality, meanwhile, the fuel economy and the environmental protection situation are forced, the reduction of the rolling resistance becomes a trend, the European Union label grade is gradually intensified, and the requirements of the consumers on the tire performance are gradually upgraded: higher wet skid performance requirements; the gravity center of the SUV is high, the requirements on the controllability of the road condition of the wetland and the ground grabbing force are higher, and the requirements on the safety performance of the wetland are higher. Lower rolling resistance requirements: the fuel economy is improved, the exhaust emission is reduced, the energy loss is reduced, the high endurance mileage of the vehicle is ensured, and the tire which is used as the sole tire of the whole vehicle and is in contact with the ground needs to have the performance requirement of low rolling resistance; lower noise requirements: if the known tire passes through a high-speed slippery road condition, the noise generated when the tire contacts the ground is large, the noise in the vehicle and the noise passing outside the vehicle are reduced, the noise pollution is reduced, and the noise of the tire is required to be reduced when the driving environment in the vehicle is improved.
Based on this, a safe and environmentally friendly summer SUV tire is now provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a safe and environment-friendly summer SUV tire to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme:
a safe and environment-friendly summer SUV tire comprises a tire body and a crown tread rubber layer arranged on the surface of the tire body, wherein a tire reinforcement is arranged in the crown tread rubber layer, and a groove component is arranged on the surface of the crown tread rubber layer;
the groove assembly includes longitudinal and lateral grooves that divide the tire tread into first, second, and third blocks;
the transverse grooves comprise a first transverse groove, a second transverse groove and a third transverse groove;
a plurality of narrow auxiliary grooves are distributed on the circumferential surfaces of the second pattern block and the third pattern block, and the radial depth of each auxiliary groove is not more than 0.5 mm;
the circumferential surfaces of the groove bottom and the groove side wall of the longitudinal groove are distributed with a plurality of bulges, and the radial height of the bulges is not more than 0.5 mm.
As a further scheme of the utility model: the cap tread rubber layer includes a main tread layer, a secondary tread layer and a base tread layer, the tread reinforcement being made of a top reinforcement and a bottom reinforcement per radial section.
As a further scheme of the utility model: the main tread layer is made of a first rubber mixture with tan delta not less than 1.0 at 0 ℃, the radial thickness setting value of the main tread layer is within the range of 0.1mm to 15mm, the auxiliary tread layer is made of a second rubber mixture with tan delta not more than 0.1 at 60 ℃, the thickness setting value of the auxiliary tread layer is within the range of 0.1mm to 15mm, the bottom tread layer is made of a third rubber mixture with extremely strong viscosity and used for preventing the auxiliary tread layer from being separated from the crown reinforcement, and the thickness setting value of the bottom tread layer is within the range of 0.1mm to 15 mm.
As a further scheme of the utility model: the top layer reinforcing piece can be made of 1-2 layers of nylon cord fabrics, the single filament diameter of the nylon cord fabrics is larger than 0.6mm, the single filament breaking force is not lower than 200N, the strength of the reinforced piece rubber coated with the rubber is improved by more than 10% in the existing common material reinforcing piece, and the weight is reduced by more than 1%;
the bottom layer reinforcement is made of 2 layers of steel wire cord fabrics with ultrahigh strength and full glue penetration, the diameter of single wires of the steel wire cord fabrics is not more than 0.7mm, the breaking force of the single wires is not less than 600N, the strength of the new steel cord fabrics is improved by more than 5% compared with that of the existing common reinforcement, the glue coating thickness is less than 0.1mm of the common reinforcement, and the steel cord fabrics are used for reducing glue creep and rolling resistance.
As a further scheme of the utility model: the tire tread shoulder grooves on two sides of the tire tread rubber layer on the crown are distributed in the direction, the upper shoulder grooves and the lower shoulder grooves are arranged in a staggered mode, the angle a of the upper tire shoulder grooves ranges from 80 degrees to 90 degrees, and the angle b of the lower shoulder grooves ranges from 80 degrees to 90 degrees.
As a further scheme of the utility model: when the tire tread is distributed at each pitch in the circumferential direction, a multi-level variable pitch arrangement mode is adopted; the upper tire shoulder part A adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4, and the middle pattern block part B adopts an arrangement mode that the total pitch number is not less than 60 and the pitch variety is not less than 4; the lower shoulder part C adopts an arrangement mode that the total pitch number is not less than 70 and the pitch type is not less than 4.
Compared with the prior art, the utility model has the beneficial effects that:
when the tire tread is distributed at each pitch in the circumferential direction, the low-noise characteristic of the tire is realized by adopting a block-by-block variable-pitch arrangement mode and optimizing analysis through simulation; through upper and lower shoulder groove dislocation and optimization angle, promote tire noise performance, optimize PRAT performance.
The summer SUV tire further comprises: the tread is divided into a plurality of pattern blocks by the longitudinal grooves and the transverse grooves, and a plurality of narrow grooves are distributed on the circumferential surface of each pattern block and used for breaking a water film and improving the grip of the tire.
Drawings
FIG. 1 is a front view of a summer SUV tire according to a preferred embodiment of the present invention;
FIG. 2 is an enlarged top plan view of a portion of the block shown in FIG. 1;
FIG. 3 is a schematic view of the narrow groove and protrusion of FIG. 2 during rolling of the tire;
FIG. 4 is a radial cross-sectional view of the crown rubber layer and crown reinforcement;
fig. 5 is a diagram illustrating pitch arrangement and shoulder grooves.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
FIG. 1 is a front view of a tire according to a preferred embodiment of the present invention;
the tread pattern is composed of longitudinal grooves 1 and transverse grooves, wherein the transverse grooves comprise a first transverse groove 2, a second transverse groove 3 and a third transverse groove 4, the longitudinal grooves and the transverse grooves divide the tire tread into a first pattern block 5, a second pattern block 6 and a third pattern block 7, a plurality of narrow auxiliary grooves 8 are distributed on the circumferential surfaces of the second pattern block 6 and the third pattern block, and the radial depth of each auxiliary groove 8 is not more than 0.5 mm;
referring to fig. 2, a plurality of protrusions 9 are distributed on the circumferential surface of the bottom and the side wall of the longitudinal groove 1, and the radial height of the protrusions 9 is not more than 0.5 mm. As shown in fig. 3, when the vehicle is driven on a slippery road, the fine protrusions and the fine grooves in the preferred embodiment can generate a turbulent flow effect, thereby ensuring the grip force of the wet land and reducing pattern noise.
FIG. 4 is a radial cross-sectional view of the crown rubber layer and crown reinforcement;
the crown rubber layer 10 in the embodiment of the present invention includes: the cap tread rubber layer 10 includes a main tread layer 11, a sub tread layer 12 and a base tread layer 13 in each radial section. The main tread layer 11 is made of a first rubber compound having tan δ not less than 1.0 at 0 ℃, and has a radial thickness setting in the range of 0.1mm to 15 mm; the sub tread layer 12 is made of a second rubber compound having tan δ of not more than 0.1 at 60 ℃, and its thickness setting value is in the range of 0.1mm to 15 mm; the bottom tread layer 13 is made of a third rubber compound of very strong viscosity for preventing the separation of the secondary tread layer from the crown reinforcement, the rubber layer thickness being set in the range of 0.1mm to 15 mm.
The crown reinforcements 14 in the present example are made of one topping reinforcement 15 and one underlayer reinforcement 16 per radial section. The top layer reinforcing piece 15 can be made of 1-2 layers of nylon cord fabric, the diameter of a single filament of the nylon cord fabric is larger than 0.6mm, the breaking force of the single filament is not lower than 200N, the strength of the reinforced piece rubber coated with rubber is improved by more than 10 percent and the weight of the reinforced piece rubber coated with rubber is reduced by more than 1 percent, and the reinforced piece rubber is used for reducing the structural vibration of the tire tread part and reducing the noise; the bottom layer reinforcement is made of 2 layers of steel wire cord fabrics with ultrahigh strength and full glue penetration, the diameter of single wires of the steel wire cord fabrics is not more than 0.7mm, the breaking force of the single wires is not less than 600N, the strength of the new steel cord fabrics is improved by more than 5% compared with that of the existing common reinforcement, the glue coating thickness is less than 0.1mm of the common reinforcement, and the steel cord fabrics are used for reducing glue creep and rolling resistance.
FIG. 5 is a pitch arrangement and shoulder groove illustration of a tire according to a preferred embodiment of the present invention;
when the grooves of the shoulder part of the tire surface are in the direction and the arrangement, the grooves of the upper shoulder part and the lower shoulder part are staggered and have optimized angles, the angle a of the groove of the upper shoulder part ranges from 80 to 90 degrees, the angle b of the groove of the lower shoulder part ranges from 80 to 90 degrees, and the grooves of the shoulder part of the tire are used for reducing noise and optimizing the PRAT performance of the tire.
When the tread is distributed at each pitch in the circumferential direction in the implementation of the utility model, a multi-level variable pitch arrangement mode is adopted; the upper tire shoulder part A adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4, and the middle pattern block part B adopts an arrangement mode that the total pitch number is not less than 60 and the pitch variety is not less than 4; the lower tire shoulder part C adopts an arrangement mode that the total pitch number is not less than 70 and the pitch type is not less than 4;
the 235/65R17 specification product adopting the pattern of the utility model has the wet-skid test result of 1.65, reaches the grade 1 of the European Union label, is 0.1 higher than the European Union regulation and regulation, has the rolling resistance coefficient test result of 7.43, reaches the grade B of the European Union label, is reduced By 5 percent compared with the common product, and has the tested Pass By Noise performance of 70dB and 1dB lower than the common product.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (6)
1. The SUV tire in summer with safety and environmental protection is characterized by comprising a tire body and a crown tread rubber layer (10) arranged on the surface of the tire body, wherein a tire part reinforcing part (14) is arranged inside the crown tread rubber layer (10), and a groove component is arranged on the surface of the crown tread rubber layer (10);
the groove assembly comprises a longitudinal groove (1) and a transverse groove, the longitudinal groove (1) and the transverse groove divide the tire tread into a first pattern block (5), a second pattern block (6) and a third pattern block (7);
the transverse grooves comprise a first transverse groove (2), a second transverse groove (3) and a third transverse groove (4);
wherein a plurality of narrow auxiliary grooves (8) are distributed on the circumferential surfaces of the second pattern block (6) and the third pattern block (7), and the radial depth of each auxiliary groove (8) is not more than 0.5 mm;
the circumferential surfaces of the bottom and the side wall of the longitudinal groove (1) are distributed with a plurality of bulges (9), and the radial height of each bulge (9) is not more than 0.5 mm.
2. The environmentally safe summer SUV tire according to claim 1, wherein the cap tread rubber layer (10) comprises a main tread layer (11), a secondary tread layer (12) and a base tread layer (13), the tread reinforcements (14) being made of one top layer reinforcement (15) and one bottom layer reinforcement (16) per radial cross section.
3. A safe and environmentally friendly summer SUV tire according to claim 2, wherein the primary tread layer (11) is made of a first rubber compound having tan δ not less than 1.0 at 0 ℃, with a radial thickness setting in the range of 0.1mm to 15 mm;
the sub-tread layer (12) is made of a second rubber compound having tan delta of not more than 0.1 at 60 ℃, and its thickness setting value is in the range of 0.1mm to 15 mm;
the bottom tread layer (13) is made of a third rubber compound having tackiness for preventing the separation of the secondary tread layer (12) from the crown reinforcement, the thickness of the bottom tread layer (13) being set in the range of 0.1mm to 15 mm.
4. The safe and environmentally friendly summer SUV tire as claimed in claim 2, wherein the top layer reinforcement (15) is made of 1-2 layers of nylon cord fabric, the nylon cord fabric has a monofilament diameter greater than 0.6mm and a monofilament breaking force not less than 200N;
the bottom layer reinforcing part is made of 2 layers of steel wire cord fabrics with ultrahigh strength and full glue penetration, the diameter of single wires of the steel wire cord fabrics is not more than 0.7mm, and the breaking force of the single wires is not less than 600N.
5. The SUV tire for summer use in environmental protection as claimed in claim 1, wherein the tread shoulder grooves on both sides of the tread rubber layer (10) on the crown portion are oriented and arranged in a staggered manner, the upper shoulder grooves are arranged in an angle a of 80-90 ° and the lower shoulder grooves are arranged in an angle b of 80-90 °.
6. The safe and environment-friendly SUV tire for summer according to claim 1, wherein when the tire tread is arranged at each pitch in the circumferential direction, a multi-level variable-pitch arrangement mode is adopted; the upper tire shoulder part A adopts an arrangement mode that the total pitch number is not less than 70 and the pitch variety is not less than 4, and the middle pattern block part B adopts an arrangement mode that the total pitch number is not less than 60 and the pitch variety is not less than 4; the lower shoulder part C adopts an arrangement mode that the total pitch number is not less than 70 and the pitch type is not less than 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707599.8U CN216153509U (en) | 2021-04-08 | 2021-04-08 | A safe and environmentally friendly summer SUV tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120707599.8U CN216153509U (en) | 2021-04-08 | 2021-04-08 | A safe and environmentally friendly summer SUV tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216153509U true CN216153509U (en) | 2022-04-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120707599.8U Active CN216153509U (en) | 2021-04-08 | 2021-04-08 | A safe and environmentally friendly summer SUV tire |
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| CN (1) | CN216153509U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976949A (en) * | 2021-04-08 | 2021-06-18 | 山东玲珑轮胎股份有限公司 | Safe and environment-friendly SUV tire used in summer |
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2021
- 2021-04-08 CN CN202120707599.8U patent/CN216153509U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112976949A (en) * | 2021-04-08 | 2021-06-18 | 山东玲珑轮胎股份有限公司 | Safe and environment-friendly SUV tire used in summer |
| CN112976949B (en) * | 2021-04-08 | 2024-05-14 | 山东玲珑轮胎股份有限公司 | Safe and environment-friendly summer SUV tire |
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