CN211641724U - Tubeless all-steel radial tire load toe mouth structure - Google Patents
Tubeless all-steel radial tire load toe mouth structure Download PDFInfo
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- CN211641724U CN211641724U CN202020067036.2U CN202020067036U CN211641724U CN 211641724 U CN211641724 U CN 211641724U CN 202020067036 U CN202020067036 U CN 202020067036U CN 211641724 U CN211641724 U CN 211641724U
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Abstract
The utility model relates to a tubeless all-steel radial tire load toe mouth structure, glue the core including inboard stereoplasm triangle, the soft triangle in the outside glues the core, the steel wire winding, the wear-resisting film of nylon under the tire bead, matrix curtain cloth, the steel wire curtain cloth is strengthened to the toe mouth, double-deck nylon infantees, the bottom of stereoplasm triangle core sets up the steel wire winding, the wear-resisting film of nylon parcel steel wire winding under the tire bead, the stereoplasm triangle glues the core, the soft triangle in the outside is glued the core and is strengthened the steel wire curtain cloth by the nylon wear-resisting film under the tire bead in proper order from inside to outside, matrix curtain cloth, the steel wire curtain cloth is strengthened to the toe mouth, double-deck nylon infantees parcel, double-deck nylon infante. The support performance can be improved under high load conditions.
Description
Technical Field
The utility model relates to a tubeless all steel radial tire load toe mouth structure.
Background
The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.
Compared with the tubeless tire, the tubeless tire has the advantages of higher price, wear resistance and durability due to longer service life, simpler structure, lighter weight and higher safety of the tire in use when the tire is punctured, and the transportation cost is objectively reduced. However, in the actual use process of the tubeless tire, in order to reduce more cost, the tubeless tire often has the phenomena of overload, high air pressure and the like, the tubeless toe opening structure has insufficient supporting performance under the use condition because no inner tube supports, and the problems that the tire is easy to be damaged in the early stage due to stress concentration at the end point of the tire body cord fabric, the end point of the steel wire cord fabric reinforced by the toe opening, the heel position and the like are solved. To solve the above problems, the toe-opening structure of the tubeless all-steel radial tire has been developed from a simple structure consisting of an initial simple steel wire ring, an inner hard apex, an outer soft apex, a carcass ply, a toe-opening reinforcing steel wire cord, sidewall rubber, toe-opening filling rubber and inner liner toe-opening rubber to a later structure such as CN206106825, and double-layer nylon wrapping cloth and toe-opening rubber are added to improve the support performance of the toe-opening. However, such a structure still has insufficient support performance when dealing with higher load and more severe service conditions, and particularly, at the position of the bead heel, due to the support and friction action of the rim, the bead ring can abrade the cord fabric of the tire body under higher load to cause tire burst, or the bead heel part of the bead heel is abraded by filling rubber to cause tire leakage.
SUMMERY OF THE UTILITY MODEL
To the problems existing in the prior art, the utility model aims at providing a tubeless all-steel radial tire load toe mouth structure. The stress concentration is dispersed, and the service life of the tire is prolonged.
In order to solve the technical problem, the technical scheme of the utility model is that:
the utility model provides a tubeless all steel radial tire load toe mouth structure, including inboard stereoplasm apex rubber core, the soft apex rubber core in outside, the steel wire winding, the wear-resisting film of nylon under the tire bead, matrix curtain cloth, the steel wire curtain cloth is strengthened to the toe mouth, double-deck nylon infantees, the bottom of stereoplasm apex rubber core sets up the steel wire winding, the wear-resisting film of nylon parcel steel wire winding under the tire bead, stereoplasm apex rubber core, the soft apex rubber core in outside is by the wear-resisting film of nylon under the tire bead in proper order from inside to outside, matrix curtain cloth, the steel wire curtain cloth is strengthened to the toe mouth, double-deck nylon infantees parcel, double-deck nylon infantees wraps the inside and outside end of matrix curtain cloth.
The utility model discloses a load toe mouth structure is compared in current toe mouth structure, has set up nylon wear-resisting film under steel wire winding, the tire bead, and the inlayer lower extreme of double-deck nylon infantees extends to the inboard of tire toe mouth structure moreover, has improved the fatigue resistance of tire toe mouth structure. The width of the double-layer nylon wrapping cloth extends, the end point of the tire body cord fabric and the inner end point and the outer end point of the toe opening reinforced steel cord fabric are wrapped, the tire bead and the apex of the tire are wrapped by the nylon rubber sheet under the tire bead, the supporting performance of the toe opening position, the bending rigidity of the toe opening position under a high-load condition and the stress dispersion capability of the end point position are further improved, and the shearing damage of the steel wire ring to the tire body cord fabric is reduced.
As a further technical proposal, the inner side of the toe mouth structure of the tire, which is wrapped with the tire body cord fabric and the toe mouth reinforcing steel wire cord fabric, is also wrapped with an inner liner.
As a further technical scheme, the upper end of the inner layer of the double-layer nylon wrapping cloth is higher than the upper end of the outer layer, and the lower end of the outer layer of the double-layer nylon wrapping cloth is lower than the lower end of the inner layer.
As a further technical scheme, toe-mouth glue is arranged between the double-layer nylon wrapping cloth and the tire body cord fabric, the toe-mouth reinforced steel wire cord fabric and the soft triangular rubber core, and the lower end of the toe-mouth structure of the tire is wrapped by the toe-mouth glue.
As a further technical scheme, the upper end part of the outer side of the toe gum is wrapped with sidewall gum, and toe filling gum is arranged between the toe gum, the sidewall gum and the double-layer nylon wrapping cloth and the soft triangular gum core.
As a further technical scheme, the nylon wear-resistant rubber sheet under the tire bead is formed by compounding a single-layer nylon wrapping cloth and a wear-resistant rubber sheet, the single-layer nylon wrapping cloth wraps the whole wear-resistant rubber sheet, and the nylon wear-resistant rubber sheet under the tire bead is wrapped to form a U shape.
As a further technical scheme, the bottom end of the toe opening structure of the tire is obliquely arranged.
The utility model has the advantages that:
(1) the utility model has simple structure, convenient manufacture and is beneficial to wide-range popularization;
(2) the double-layer nylon wrapping cloth of the utility model wraps the two ends of the reinforcing steel wire of the toe mouth structure of the tire and the outer end points of the tire body cord fabric at the lower end of the inner layer of the double-layer nylon wrapping cloth, thereby improving the fatigue resistance of the toe mouth structure of the tire;
(3) the utility model discloses increase the wear-resisting film of nylon under the tire bead, can effectively disperse the shear stress of steel wire winding termination to matrix curtain cloth.
(4) The utility model provides high toe mouth position support performance and high load condition under the toe mouth position rigidity of warping improve endpoint position stress dispersion ability, reduce endpoint position stress concentration and destroy the tire.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the invention and not to limit the invention unduly.
Fig. 1 is a schematic view of the overall structure of the present invention;
the tire comprises an inner liner layer 1, a tire body cord fabric 2, a toe-mouth reinforced steel wire cord fabric 3, a hard apex rubber core 4, a toe-mouth rubber 5, a toe-mouth rubber 6, a sidewall rubber 7, a toe-mouth rubber 8, a soft apex rubber core 9, a double-layer nylon wrapping cloth 10, a lower-bead nylon wear-resistant rubber sheet 11 and a steel wire ring.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The toe opening structure of the tire is a part tightly attached to the hub, but if the tire is in a heavy load condition or a heavy load condition for a long time, the attachment of the toe opening structure of the tire and the hub cannot provide good supporting capability for the whole tire, so that the friction between the steel wire ring and the tire cord fabric is increased, the tire burst is caused, or the filling rubber of the toe opening of the heel part of the tire is worn out by a rim, so that the tire is deflated.
Compared with the tire toe opening structure in the prior art, the utility model has the advantages that the toe opening structure is provided with the tire bead lower nylon and the rubber sheet 10 which are not provided by the original tubeless tire toe opening structure at the lower part of the tire bead, and simultaneously, the lower end of the inner layer of the double-layer nylon wrapping cloth extends towards the inner side of the tire toe opening structure to wrap the lower end of the tire toe opening structure, so that the fatigue resistance of the tire toe opening structure is improved; a toe-mouth type glue 7 is arranged between the double-layer nylon wrapping cloth 9 and the carcass cord fabric 2, between the toe-mouth reinforced steel wire cord fabric 3 and between the soft triangular glue cores 8; the width of the double-layer nylon wrapping cloth 9 is extended, the end point of the tire body cord fabric 2 and the inner end point and the outer end point of the toe opening reinforced steel wire cord fabric 3 are wrapped, the tire bead and the apex of the tire are wrapped by the nylon wear-resistant rubber sheet 10 under the tire bead, the supporting performance of the toe opening position, the bending rigidity of the toe opening position under the high-load condition and the stress dispersion capability of the end point position are further improved, and the shearing damage of the steel wire ring to the tire body cord fabric 2 is reduced.
As shown in figure 1, the load-bearing toe opening structure comprises an inner hard apex rubber core 4, an outer soft apex rubber core 8, a steel wire ring 11, a lower-bead nylon wear-resistant rubber sheet 10, a tire body cord fabric 2, a toe opening reinforcing steel wire cord fabric 3 and a double-layer nylon wrapping cloth 9, wherein the steel wire ring 11 is arranged at the bottom of the hard apex rubber core 4, the lower-bead nylon wear-resistant rubber sheet 10 wraps the steel wire ring 11, the hard apex rubber core 4 and the outer soft apex rubber core 8 are sequentially wrapped by the lower-bead nylon wear-resistant rubber sheet 10, the tire body cord fabric 2, the toe opening reinforcing steel wire cord fabric 3 and the double-layer nylon wrapping cloth 9 from inside to outside, and the inner side end and the outer side end of the tire body cord fabric 2 and the toe opening reinforcing steel wire cord. The double-layer nylon wrapping cloth 9 wraps the inner ends and the outer ends of the tire body cord fabric 2 and the toe mouth reinforcing steel wire cord fabric 3, and reduces the shear stress of the tire body cord fabric 2 and the toe mouth reinforcing steel wire cord fabric 3 at the position of the end point of the inner side of the tire.
The inner layer of the double-layer nylon wrapping cloth 9 is wrapped to form a U shape to form a U-shaped structure, so that the bottom end of the tire toe opening structure is completely wrapped, and the fatigue resistance of the tire toe opening structure is improved. The upper end of the inner layer of the double-layer nylon wrapping cloth 9 is higher than the upper end of the outer layer, and the lower end of the inner layer of the double-layer nylon wrapping cloth 9 is lower than the lower end of the inner layer.
The utility model discloses the nylon infantees that sets up among the prior art are compared to double-deck nylon infantees, extend to the inboard of toe mouth structure, extend to being close to wheel hub one side promptly to the toe mouth structure forms the parcel, makes the parcel length of double-deck nylon infantees lengthen to the inboard in proper order by the outside of tire toe mouth structure, forms certain level, helps the laminating of tire toe mouth structure and the improvement of intensity. The lower end of the inner layer of the double-layer nylon wrapping cloth 9 wraps the lower end of the toe opening structure of the tire, so that the inner layer of the double-layer nylon wrapping cloth 9 provides more constraint force for the toe opening structure of the tire, the integral performance of the toe opening structure of the tire is enhanced, and the strength of the toe opening structure of the tire is improved.
The inner layer of the nylon wear-resistant rubber sheet 10 under the tire bead is wrapped to form a U shape, and the shearing stress of the end points of the steel wire ring to the tire cord fabric 2 is dispersed. The nylon wear-resistant rubber sheet 10 under the tire bead is formed by compounding a single-layer nylon wrapping cloth and a wear-resistant rubber sheet.
The bottom slope of tire toe mouth structure can be inseparabler with the wheel hub laminating, improves the gas tightness of tire.
The inner side of the toe mouth structure of the tire, which is wrapped with the tire body cord fabric 2 and the toe mouth reinforcing steel wire cord fabric 3, is also wrapped with an inner liner layer 1.
And toe-mouth glue 7 is arranged between the double-layer nylon wrapping cloth 9 and the tire body cord fabric 2, between the toe-mouth reinforced steel wire cord fabric 3 and between the double-layer nylon wrapping cloth and the soft triangular rubber core 8, and the lower end of the toe-mouth structure of the tire is wrapped by the toe-mouth glue 5.
The toe gum 5 is wrapped by the sidewall gum 6 at the upper end of the outer side, and toe filling gum is arranged among the toe gum 5, the sidewall gum 6, the double-layer nylon wrapping cloth 9 and the soft triangular gum core 8.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a tubeless all steel radial tire load toe mouth structure which characterized in that: the hard apex rubber core and the soft apex rubber core at the outer side are sequentially wrapped by the nylon abrasion-resistant rubber sheet under the tire bead, the tire body cord fabric, the toe opening reinforcing steel wire cord fabric and the double-layer nylon wrapping cloth from inside to outside, and the double-layer nylon wrapping cloth wraps the inner side end and the outer side end of the tire body cord fabric and the toe opening reinforcing steel wire cord fabric.
2. The tubeless all-steel radial tire load-carrying toe cap structure according to claim 1, characterized in that: the inner side of the tire load-carrying toe opening structure wrapped with the tire body cord fabric and the toe opening reinforcing steel wire cord fabric is further wrapped with an inner liner.
3. The tubeless all-steel radial tire load-carrying toe cap structure according to claim 1, characterized in that: the upper end of the inner layer of the double-layer nylon wrapping cloth is higher than the upper end of the outer layer, and the lower end of the inner layer of the double-layer nylon wrapping cloth is lower than the lower end of the inner layer.
4. The tubeless all-steel radial tire load-carrying toe cap structure according to claim 1, characterized in that: and toe-mouth glue is arranged between the double-layer nylon wrapping cloth and the tire body cord fabric, between the toe-mouth reinforced steel wire cord fabric and between the double-layer nylon wrapping cloth and the soft triangular rubber core, and the lower end of the tire load-carrying toe-mouth structure is wrapped by the toe-mouth glue.
5. The tubeless all-steel radial tire load-carrying toe cap structure according to claim 1, characterized in that: the toe gum is wrapped by sidewall gum at the upper end part of the outer side of the toe gum, and toe filling gum is arranged among the toe gum, the sidewall gum, the double-layer nylon wrapping cloth and the soft triangular gum core.
6. The tubeless all-steel radial tire load-carrying toe cap structure according to claim 1, characterized in that: the nylon wear-resistant film under the tire bead is formed by compounding a single-layer nylon wrapping cloth and a wear-resistant film, the single-layer nylon wrapping cloth wraps the whole wear-resistant film, and the nylon wear-resistant film under the tire bead wraps the whole wear-resistant film to form a U shape.
7. The tubeless all-steel radial tire load-carrying toe cap structure according to claim 1, characterized in that: the bottom end of the tire load toe opening structure is obliquely arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067036.2U CN211641724U (en) | 2020-01-13 | 2020-01-13 | Tubeless all-steel radial tire load toe mouth structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020067036.2U CN211641724U (en) | 2020-01-13 | 2020-01-13 | Tubeless all-steel radial tire load toe mouth structure |
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| CN211641724U true CN211641724U (en) | 2020-10-09 |
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| CN202020067036.2U Active CN211641724U (en) | 2020-01-13 | 2020-01-13 | Tubeless all-steel radial tire load toe mouth structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068831A1 (en) * | 2020-09-29 | 2022-04-07 | 山东玲珑轮胎股份有限公司 | Urban rail transit tire bead structure |
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2020
- 2020-01-13 CN CN202020067036.2U patent/CN211641724U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022068831A1 (en) * | 2020-09-29 | 2022-04-07 | 山东玲珑轮胎股份有限公司 | Urban rail transit tire bead structure |
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