CN211710558U - Rubber support body run-flat radial tire for car - Google Patents
Rubber support body run-flat radial tire for car Download PDFInfo
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- CN211710558U CN211710558U CN201921491837.5U CN201921491837U CN211710558U CN 211710558 U CN211710558 U CN 211710558U CN 201921491837 U CN201921491837 U CN 201921491837U CN 211710558 U CN211710558 U CN 211710558U
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Abstract
The utility model discloses a radial tire is used to car rubber support body run-flat, including tire bead steel wire, tire bead apex, wheel rim protection glue, child side glue, rubber supporting layer, tread, first nylon belted layer, second nylon belted layer, first steel belted layer, second steel belted layer, first matrix polyester curtain cloth, second matrix polyester curtain cloth, inner face air-proof layer; an inner surface air-retaining layer is arranged in the tire tread at the top of the tire, and the inner surface air-retaining layer is positioned at the innermost layer of the tire tread; the outer side of the inner surface air-proof layer is provided with a second tire body polyester cord fabric and a first tire body polyester cord fabric in sequence; a second steel wire belt ply and a first steel wire belt ply are arranged on the outer side of the first carcass polyester cord fabric; the second nylon belted layer and the first nylon belted layer are arranged on the outer side of the first steel wire belted layer. The utility model has the characteristics of the support of lack of air, absorption vibration and impact take comfortablely, and the security is high can the reinforce.
Description
Technical Field
The utility model relates to a rubber support body is radial tire for run-flat for car, especially one kind have run-flat support, absorption vibration and impact, take comfortablely, the high rubber support body is radial tire for run-flat for car of security ability reinforce.
Background
The tyre is mainly characterized in that the thickness of the tyre wall is increased, the rubber hardness is increased, and the increased thickness is 3-4 times of that of a normal pneumatic tyre so as to increase the tyre wall. Run-flat tires are mainly used in high-grade cars, sports cars and military vehicles in the market, so the tires need to effectively reduce accidents caused by tire failures, emphasize safety and simultaneously give consideration to comfort.
Because the run-flat tire security and the travelling comfort that lean on side wall thickening rubber to support are a pair of spear body, but this kind of spear body can be alleviated along with the development technology level promotion of tire greatly, the utility model discloses just utilize the latest development technique of tire, constantly optimize tire structure and performance, choose the support rubber of reasonable hardness for use to reach run-flat security, promote the car simultaneously and take the travelling comfort greatly.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a rubber support body for car is radial tire for run-flat with run-flat support, absorption vibration and impact, take comfortablely, and the security is high can the reinforce.
The purpose of the utility model can be realized by the following technical scheme:
a radial tire for the run-flat protection of a rubber supporting body for a car comprises a tire bead steel wire, a tire bead triangular rubber, a rim protective rubber, a sidewall rubber, a rubber supporting layer, a tire tread, a first nylon belt ply, a second nylon belt ply, a first steel wire belt ply, a second steel wire belt ply, a first tire body polyester cord fabric, a second tire body polyester cord fabric and an inner face air-protecting layer;
an inner surface air-retaining layer is arranged in the tire tread at the top of the tire, and the inner surface air-retaining layer is positioned at the innermost layer of the tire tread; the outer side of the inner surface air-proof layer is provided with a second tire body polyester cord fabric and a first tire body polyester cord fabric in sequence; a second steel wire belt ply and a first steel wire belt ply are arranged on the outer side of the first carcass polyester cord fabric; a second nylon belt ply and a first nylon belt ply are arranged on the outer side of the first steel wire belt ply;
two ends of the inner surface air-retaining layer respectively extend to the inner sides of bead wire of tire beads at two sides of the tire; the thickness of the inner face air-retaining layer in the two sides of the tire is 80-120 mm; a rubber supporting layer is arranged on the inner side of the inner air-retaining layer in the tire side walls at two sides of the tire;
the cross section of the rubber supporting layer is crescent-shaped; the lower end of the rubber supporting layer is located 15-25 mm above the tire bead; the distance between the top end of the rubber supporting layer and the center of the tire tread is 80-90 mm; the maximum thickness of the rubber supporting layer is 12-15 mm; the thickness of the rubber supporting layer at the center height of the tire bead is 12-15 mm;
two ends of the first tire body polyester cord fabric and the second tire body polyester cord fabric extend into the sidewall rubber, the tire bead steel wire is covered from the inner side of the tire bead steel wire, and tire bead triangular rubber is arranged on the inner sides of the first tire body polyester cord fabric, the second tire body polyester cord fabric and the tire bead steel wire;
the outer side of the tire bead apex is provided with a rim protective rubber;
the bead wire is positioned in the tire bead;
the outermost side of the sidewall is provided with sidewall rubber, the sidewall rubber is divided into an upper part and a lower part, the two parts are made of two kinds of heterogeneous rubber, the hardness of the sidewall rubber of the upper part is 50 Shore, and the hardness of the sidewall rubber of the lower part is 68 Shore;
the side wall is optimally matched by four different material rubber materials of side rubber, rim protective rubber, bead apex and rubber supporting layer; the hardness of the side rubber, the rim protection rubber, the bead apex rubber and the rubber supporting layer is respectively 50 Shore, 68 Shore, 70 Shore and 75 Shore.
The utility model provides a rubber support body is radial tire for run-flat for car has run-flat support, absorption vibration and impact, takes comfortablely, characteristics that the security is high. The utility model has the advantages that: when the tire is in an unstressed state, the thickest point of the crescent rubber supporting layer is positioned above the center height of the tire side; when the tire is loaded, the center height of the tire side moves downwards, and the thickest point of the rubber supporting layer is just positioned on the center height of the tire side; when the tire is in a state of air shortage or air leakage, the rubber supporting layer fully provides strong supporting force, and meanwhile, the rubber supporting layer provides resilience as if the rubber supporting layer is stressed by a bow, so that vibration is fully absorbed, the rigidity of the tire and the ground is reduced, and the purpose of comfort is achieved;
the first carcass polyester cord fabric and the second carcass polyester cord fabric are fixed by the bead wires and reversely wrap the bead apex; the second tire body polyester cord fabric is turned back after being turned over, the end point of the turned back second tire body polyester cord fabric exceeds the center height of the tire bead, the first tire body polyester cord fabric is turned back at a low position, and the first tire body polyester cord fabric is positioned above the tire bead;
the sidewall rubber of the upper part has the advantage of flex resistance; the sidewall rubber of the lower part is rim protective rubber, and plays roles in protecting the tire bead from being damaged and supporting;
the first nylon belt, the second nylon belt and the tread surface provide rigidity and grounding performance to the tire;
the sidewall rubber, the rim protective rubber, the bead apex rubber and the rubber supporting layer are combined in a soft and hard manner; in the inflated state of the tire, the lateral sidewall rubber is mainly stressed, the inner side is stressed in an auxiliary way, and the comfort sacrifice is small; when the tire is in a state of air shortage or air leakage, the inner side cut rubber supporting layer is mainly stressed, and the outer side is auxiliary; the tire emphasizes the safety of the automobile, and simultaneously, the soft material on the outer side of the tire side can absorb vibration, so that the impact of rigidity on the tire is reduced, and the riding comfort effect is achieved.
Drawings
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic cross-sectional view of a run-flat radial tire of a rubber support for a passenger car according to the present invention.
Detailed Description
The purpose of the utility model can be realized by the following technical scheme:
a rubber support body run-flat radial tire for a car is disclosed, and comprises a tire bead steel wire 1, a tire bead apex 2, a rim protective rubber 3, a sidewall rubber 4, a rubber support layer 5, a tire tread 6, a first nylon belted layer 7, a second nylon belted layer 8, a first steel belted layer 9, a second steel belted layer 10, a first tire body polyester curtain fabric 11, a second tire body polyester curtain fabric 12 and an inner surface air-protecting layer 13, wherein the tire bead apex 2 is arranged on the tire bead steel wire 1;
an inner surface air-retaining layer 13 is arranged in the tire surface 6 at the top of the tire, and the inner surface air-retaining layer 13 is positioned at the innermost layer of the tire surface 6; the outer side of the inner surface air-proof layer 13 is provided with a second tyre body polyester cord fabric 12 and a first tyre body polyester cord fabric 11 in sequence; a second steel wire belt ply 10 and a first steel wire belt ply 9 are arranged on the outer side of the first carcass polyester cord fabric 11; a second nylon belted layer 8 and a first nylon belted layer 7 are arranged on the outer side of the first steel wire belted layer 9;
two ends of the inner surface air-retaining layer 13 respectively extend to the inner sides of bead wire 1 of tire beads at two sides of the tire; the thickness of the inner surface air-retaining layer 13 in the two sides of the tire is 80-120 mm; the inner sides of the inner surface air-retaining layers 13 in the tire side walls at two sides of the tire are provided with rubber supporting layers 5;
the cross section of the rubber supporting layer 5 is crescent; the lower end of the rubber supporting layer 5 is located 15-25 mm above the tire bead; the distance between the top end of the rubber supporting layer 5 and the center of the tire tread 6 is 80-90 mm; the maximum thickness of the rubber supporting layer 5 is 12-15 mm; the thickness of the rubber supporting layer 5 at the center height of the tire bead is 12-15 mm; when the tire is not stressed, the thickest point of the crescent rubber supporting layer 5 is positioned above the central height of the tire side; when the tire is loaded, the center height of the tire side moves downwards, and the thickest point of the rubber supporting layer 5 is just positioned on the center height of the tire side; when the tire is in a state of air shortage or air leakage, the rubber supporting layer 5 provides strong supporting force fully, and meanwhile, the rubber supporting layer 5 provides resilience as if the bow is stressed, so that vibration is absorbed fully, rigidity of the tire and the ground is reduced, and the purpose of comfort is achieved;
the two ends of the first carcass polyester cord fabric 11 and the second carcass polyester cord fabric 12 extend into the sidewall rubber 4 and cover the bead wire 1 from the inner side of the bead wire 1, and the inner sides of the first carcass polyester cord fabric 11, the second carcass polyester cord fabric 12 and the bead wire 1 are provided with bead apex rubbers 2; the first carcass polyester cord fabric 11 and the second carcass polyester cord fabric 12 are fixed by the bead wires 1 and reversely wrap the bead apex 2; the second carcass polyester cord fabric 12 is turned back after being turned back, the back end point of the second carcass polyester cord fabric 12 exceeds the center height of the tire bead after being turned back, the first carcass polyester cord fabric 11 is turned back at a low position, and the first carcass polyester cord fabric 11 is positioned above the tire bead;
the outer side of the tire bead apex 2 is provided with a rim protective rubber 3;
the bead wire 1 is positioned in the tire bead;
the outermost side of the sidewall is provided with sidewall rubber 4, the sidewall rubber 4 is divided into an upper part and a lower part, the two parts are made of two kinds of heterogeneous rubber, the hardness of the sidewall rubber 4 of the upper part is 50 Shore, and the hardness of the sidewall rubber 4 of the lower part is 68 Shore; the sidewall rubber 4 of the upper part has the advantage of flex resistance; the sidewall rubber 4 of the lower part is rim protective rubber, and the sidewall rubber 4 of the lower part plays roles in protecting the tire bead from being damaged and supporting;
the first nylon belt layer 7, the second nylon belt layer 8 and the surface of the tread 6 provide rigidity and grounding performance of the tire;
the tire side is optimally matched by four different materials of tire side rubber 4, rim protective rubber 3, tire bead apex 2 and rubber supporting layer 5; the hardness of the side rubber 4, the hardness of the rim protective rubber 3, the hardness of the bead apex 2 and the hardness of the rubber supporting layer 5 are respectively 50 Shore, 68 Shore, 70 Shore and 75 Shore; the side rubber 4, the rim protective rubber 3, the bead apex 2 and the rubber supporting layer 5 are combined in a soft and hard manner; in the inflated state of the tire, the outer side sidewall rubber 4 is mainly stressed, the inner side is stressed in an auxiliary way, and the comfort sacrifice is small; when the tire is in a state of air shortage or air leakage, the inner guillotine rubber supporting layer 5 is mainly stressed, and the outer side is auxiliary; the tire emphasizes the safety of the automobile, and simultaneously, the soft material on the outer side of the tire side can absorb vibration, so that the impact of rigidity on the tire is reduced, and the riding comfort effect is achieved.
The utility model discloses a theory of operation:
the utility model is provided with an inner air-proof layer 13 in the tire tread 6 at the top of the tire, and the inner air-proof layer 13 is positioned at the innermost layer of the tire tread 6; the outer side of the inner surface air-proof layer 13 is provided with a second tyre body polyester cord fabric 12 and a first tyre body polyester cord fabric 11 in sequence; a second steel wire belt ply 10 and a first steel wire belt ply 9 are arranged on the outer side of the first carcass polyester cord fabric 11; a second nylon belted layer 8 and a first nylon belted layer 7 are arranged on the outer side of the first steel wire belted layer 9;
when the tire is not stressed, the thickest point of the crescent rubber supporting layer 5 is positioned above the central height of the tire side; when the tire is loaded, the center height of the tire side moves downwards, and the thickest point of the rubber supporting layer 5 is just positioned on the center height of the tire side; when the tire is in a state of air shortage or air leakage, the rubber supporting layer 5 provides strong supporting force fully, and meanwhile, the rubber supporting layer 5 provides resilience as if the bow is stressed, so that vibration is absorbed fully, rigidity of the tire and the ground is reduced, and the purpose of comfort is achieved;
the first carcass polyester cord fabric 11 and the second carcass polyester cord fabric 12 are fixed by the bead wires 1 and reversely wrap the bead apex 2; the second carcass polyester cord fabric 12 is turned back after being turned back, the back end point of the second carcass polyester cord fabric 12 exceeds the center height of the tire bead after being turned back, the first carcass polyester cord fabric 11 is turned back at a low position, and the first carcass polyester cord fabric 11 is positioned above the tire bead;
the sidewall rubber 4 of the upper part has the advantage of flex resistance; the sidewall rubber 4 of the lower part is rim protective rubber, and the sidewall rubber 4 of the lower part plays roles in protecting the tire bead from being damaged and supporting;
the first nylon belt layer 7, the second nylon belt layer 8 and the surface of the tread 6 provide rigidity and grounding performance of the tire;
the side rubber 4, the rim protective rubber 3, the bead apex 2 and the rubber supporting layer 5 are combined in a soft and hard manner; in the inflated state of the tire, the outer side sidewall rubber 4 is mainly stressed, the inner side is stressed in an auxiliary way, and the comfort sacrifice is small; when the tire is in a state of air shortage or air leakage, the inner guillotine rubber supporting layer 5 is mainly stressed, and the outer side is auxiliary; the tire emphasizes the safety of the automobile, and simultaneously, the soft material on the outer side of the tire side can absorb vibration, so that the impact of rigidity on the tire is reduced, and the riding comfort effect is achieved.
The utility model provides a rubber support body is radial tire for run-flat for car has run-flat support, absorption vibration and impact, takes comfortablely, characteristics that the security is high. The utility model has the advantages that: when the tire is in an unstressed state, the thickest point of the crescent rubber supporting layer is positioned above the center height of the tire side; when the tire is loaded, the center height of the tire side moves downwards, and the thickest point of the rubber supporting layer is just positioned on the center height of the tire side; when the tire is in a state of air shortage or air leakage, the rubber supporting layer fully provides strong supporting force, and meanwhile, the rubber supporting layer provides resilience as if the rubber supporting layer is stressed by a bow, so that vibration is fully absorbed, the rigidity of the tire and the ground is reduced, and the purpose of comfort is achieved;
the first carcass polyester cord fabric and the second carcass polyester cord fabric are fixed by the bead wires and reversely wrap the bead apex; the second tire body polyester cord fabric is turned back after being turned over, the end point of the turned back second tire body polyester cord fabric exceeds the center height of the tire bead, the first tire body polyester cord fabric is turned back at a low position, and the first tire body polyester cord fabric is positioned above the tire bead;
the sidewall rubber of the upper part has the advantage of flex resistance; the sidewall rubber of the lower part is rim protective rubber, and plays roles in protecting the tire bead from being damaged and supporting;
the first nylon belt, the second nylon belt and the tread surface provide rigidity and grounding performance to the tire;
the sidewall rubber, the rim protective rubber, the bead apex rubber and the rubber supporting layer are combined in a soft and hard manner; in the inflated state of the tire, the lateral sidewall rubber is mainly stressed, the inner side is stressed in an auxiliary way, and the comfort sacrifice is small; when the tire is in a state of air shortage or air leakage, the inner side cut rubber supporting layer is mainly stressed, and the outer side is auxiliary; the tire emphasizes the safety of the automobile, and simultaneously, the soft material on the outer side of the tire side can absorb vibration, so that the impact of rigidity on the tire is reduced, and the riding comfort effect is achieved.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (6)
1. A radial tire for the run-flat protection of a rubber supporting body for a car comprises a tire bead steel wire (1), a tire bead triangular rubber (2), a rim protective rubber (3), a sidewall rubber (4), a rubber supporting layer (5), a tire tread (6), a first nylon belted layer (7), a second nylon belted layer (8), a first steel belted layer (9), a second steel belted layer (10), a first tire body polyester cord fabric (11), a second tire body polyester cord fabric (12) and an inner face gas-retaining layer (13), and is characterized in that;
an inner surface air-retaining layer (13) is arranged in the tire tread (6) at the top of the tire, and the inner surface air-retaining layer (13) is positioned at the innermost layer of the tire tread (6); a second carcass polyester cord fabric (12) and a first carcass polyester cord fabric (11) are arranged on the outer side of the inner surface air-protecting layer (13) in sequence; a second steel wire belt layer (10) and a first steel wire belt layer (9) are arranged on the outer side of the first carcass polyester cord fabric (11); a second nylon belted layer (8) and a first nylon belted layer (7) are arranged on the outer side of the first steel wire belted layer (9);
two ends of the inner surface air-retaining layer (13) respectively extend to the inner sides of bead wire (1) of tire beads at two sides of the tire; the thickness of the inner surface air-retaining layers (13) in the two sides of the tire is 80-120 mm; a rubber supporting layer (5) is arranged on the inner side of an inner surface air-retaining layer (13) in the tire side walls on two sides of the tire;
the cross section of the rubber supporting layer (5) is crescent; the lower end of the rubber supporting layer (5) is positioned 15-25 mm above the tire bead; the distance between the top end of the rubber supporting layer (5) and the center of the tire tread (6) is 80-90 mm; the maximum thickness of the rubber supporting layer (5) is 12-15 mm; the thickness of the rubber supporting layer (5) at the center height of the tire bead is 12-15 mm.
2. The run-flat radial tire for rubber support body for passenger car as claimed in claim 1, wherein the first and second carcass polyester cords (11, 12) extend into the sidewall rubber (4) from both ends thereof and cover the bead wires (1) from the inner side of the bead wires (1), and the bead apexes (2) are disposed on the inner sides of the first and second carcass polyester cords (11, 12) and the bead wires (1).
3. A rubber support run-flat radial tire for passenger cars according to claim 1, characterized in that a rim protective rubber (3) is provided outside the bead apex (2).
4. A rubber support run-flat radial tire for passenger cars according to claim 1, characterized in that said bead wires (1) are located inside the tire bead.
5. The radial tire for run-flat use of rubber support body for passenger car according to claim 1, characterized in that the sidewall outermost side is the sidewall rubber (4), the sidewall rubber (4) is divided into two upper and lower parts, the two parts are made of two rubbers with different qualities, the hardness of the sidewall rubber (4) of the upper part is 50 shore, and the hardness of the sidewall rubber (4) of the lower part is 68 shore.
6. The radial tire for run-flat use of rubber support body for passenger car according to claim 1, characterized in that the tire side is formed by optimizing and matching the hardness of four different material compounds of sidewall rubber (4), rim protective rubber (3), bead apex rubber (2) and rubber support layer (5); the hardness of the side rubber (4), the hardness of the rim protective rubber (3), the hardness of the bead apex rubber (2) and the hardness of the rubber supporting layer (5) are respectively 50 Shore, 68 Shore, 70 Shore and 75 Shore.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491837.5U CN211710558U (en) | 2019-09-09 | 2019-09-09 | Rubber support body run-flat radial tire for car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921491837.5U CN211710558U (en) | 2019-09-09 | 2019-09-09 | Rubber support body run-flat radial tire for car |
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| Publication Number | Publication Date |
|---|---|
| CN211710558U true CN211710558U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921491837.5U Active CN211710558U (en) | 2019-09-09 | 2019-09-09 | Rubber support body run-flat radial tire for car |
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| CN (1) | CN211710558U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212071A (en) * | 2021-06-23 | 2021-08-06 | 黑猫轮胎(福建)有限公司 | Pneumatic tire capable of continuously running in case of air shortage |
| CN117400669A (en) * | 2023-12-14 | 2024-01-16 | 山东万达宝通轮胎有限公司 | Structure of dual-purpose limit tire component for inflation and non-inflation |
-
2019
- 2019-09-09 CN CN201921491837.5U patent/CN211710558U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212071A (en) * | 2021-06-23 | 2021-08-06 | 黑猫轮胎(福建)有限公司 | Pneumatic tire capable of continuously running in case of air shortage |
| CN113212071B (en) * | 2021-06-23 | 2023-03-21 | 黑猫轮胎(福建)有限公司 | Pneumatic tire capable of continuously running in case of air shortage |
| CN117400669A (en) * | 2023-12-14 | 2024-01-16 | 山东万达宝通轮胎有限公司 | Structure of dual-purpose limit tire component for inflation and non-inflation |
| CN117400669B (en) * | 2023-12-14 | 2024-02-13 | 山东万达宝通轮胎有限公司 | Structure of dual-purpose limit tire component for inflation and non-inflation |
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