CN114312167B - Support combined structure and explosion-proof tire - Google Patents
Support combined structure and explosion-proof tire Download PDFInfo
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- CN114312167B CN114312167B CN202210099461.3A CN202210099461A CN114312167B CN 114312167 B CN114312167 B CN 114312167B CN 202210099461 A CN202210099461 A CN 202210099461A CN 114312167 B CN114312167 B CN 114312167B
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- carcass ply
- glue
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- tire
- triangular
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- 239000003292 glue Substances 0.000 claims abstract description 56
- 239000011324 bead Substances 0.000 claims abstract description 23
- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 239000002657 fibrous material Substances 0.000 claims 1
- 230000032798 delamination Effects 0.000 abstract description 6
- 238000005336 cracking Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 9
- 238000004880 explosion Methods 0.000 description 8
- 238000005452 bending Methods 0.000 description 7
- 230000008901 benefit Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000004744 fabric Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000007306 functionalization reaction Methods 0.000 description 2
- 230000020169 heat generation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000011056 performance test Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000002964 rayon Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Tires In General (AREA)
Abstract
The invention discloses a support combined structure and an explosion-proof tire, and belongs to the field of explosion-proof tires. The support combined structure comprises triangular glue and a bead ring attached to the lower part of the triangular glue; the height of the triangular glue is 20% -30% of the height of the lower section of the tire; the outside of the triangular glue and the bead ring is coated with a 1# carcass ply and a 2# carcass ply; triangle glue is arranged between the 1# carcass ply and the 2# carcass ply outside the triangle glue; the first end point of the triangular glue is positioned 10-20mm below the horizontal axis of the section, the second end point is leveled with the end point of the triangular glue, and the third end point is positioned 5-10mm above the horizontal position of the bead ring; and supporting glue is arranged on the inner side of the No. 2 carcass ply. The support combined structure and the explosion-proof tire provided by the invention can reduce and reduce the occurrence of cracking and delamination phenomena of each part while ensuring the super strong support property.
Description
Technical Field
The invention belongs to the field of explosion-proof tires, and particularly relates to a support combined structure and an explosion-proof tire.
Background
In recent years, drivers and passengers pay more and more attention to the running safety of vehicles, and run-flat tires are the first choice for more and more owners. The explosion-proof tire can ensure that the vehicle can still be supported to run after the problems of tire explosion and the like occur in the running process of the vehicle.
The traditional explosion-proof tire has the advantages that the bead part is provided with the ultra-strong supporting property by the combination of the tire bead, the triangular rubber, the tire body, the tire side outer protection layer, the reinforcing layer and the supporting rubber, so that the ultra-strong supporting property of the bead part to the rim in the run-flat running process of the vehicle is reflected, but because the bead part has too many parts, the stretching and compression moduli of all the parts are different, a plurality of stress concentration points are easy to form, and the serious risk of delamination and cracking of all the parts exists in the actual running process.
Disclosure of Invention
The invention provides a support combined structure and an anti-explosion tire, which can reduce and reduce the occurrence of cracking and delamination phenomena of various parts and improve the durability of the tire while ensuring the ultra-strong support property.
The invention provides a support combined structure, which comprises triangular glue and a bead ring attached to the lower part of the triangular glue; the height of the triangular glue is 20% -30% of the height of the lower section of the tire; the outside of the triangular glue and the bead ring is coated with a 1# carcass ply and a 2# carcass ply; triangle glue is arranged between the 1# carcass ply and the 2# carcass ply outside the triangle glue; the first end point of the triangular glue is positioned 10-20mm below the horizontal axis of the section, the second end point is leveled with the end point of the triangular glue, and the third end point is positioned 5-10mm above the horizontal position of the bead ring; and supporting glue is arranged on the inner side of the No. 2 carcass ply.
Preferably, the hardness of the triangular glue is HS88-HS92.
Preferably, the elastic modulus of the triangular glue is 6.8-7.2Mpa.
Preferably, the thickness of the thickest point of the supporting glue is 6-10mm.
Preferably, the horizontal distance between the upper end point of the supporting glue and the end point of the running surface is 10-15mm, and the vertical distance between the lower end point and the heel point is 10-15mm.
Preferably, the outer end point of the No. 1 carcass ply is positioned 10-20mm above the horizontal axis of the section.
Preferably, the outer end point of the No. 2 carcass ply is positioned 20-30mm below the outer end point of the No. 1 carcass ply.
Preferably, the # 2 carcass ply is made of fiber.
The invention also provides a blowout prevention tire, which comprises the support combined structure of any one of the above.
Preferably, the run flat tire further comprises a tread, cap ply, belt, sidewall, and innerliner.
Compared with the prior art, the invention has the beneficial effects that:
compared with the common anti-explosion tire, the design size of the triangular rubber is smaller, so that the triangular rubber is positioned below a rim protection position, the bending point position of the rim protection position of the tire is avoided due to the fact that the triangular rubber is positioned below the rim protection position, the run-flat durability is greatly enhanced, the supportability below the rim protection position is enhanced, and the stress of a seam allowance part is more uniform during run-flat running.
The triangular rubber is arranged between the 1# carcass ply and the 2# carcass ply outside the triangular rubber, positions of three end points of the triangular rubber are limited, and supportability of the tire side below a horizontal shaft above a rim is guaranteed, so that the tire matching position of the rim can ensure deformation, the tire is prevented from being separated from the rim when the tire runs lack of air, certain bending deformation elasticity of the tire side can be further ensured, the tire is enabled to be smooth when the supportability is met in the running process, stress bending points are distributed more uniformly, and the separation of the positions caused by different deformation of stress is avoided.
According to the invention, the triangular rubber, the bead ring, the 1# carcass ply and the triangular rubber are coated with the 2# carcass ply, and the lower sidewall support assembly is coated integrally, so that each part of the comprehensive support body is relatively independent and has a certain correlation, each part is deformed and simultaneously is changed into mutual traction deformation from independent deformation, the change under the condition of partition functionalization is more systematic, the lower part of the sub-opening part has ultrahigh supporting property, the upper part of the sub-opening part has stronger bending resistance, and the delamination of the sub-opening part caused by mutual separation of each part due to different compression and tension deformation due to different tensile and elastic moduli of each part is avoided.
Further, the tire body cord fabric of the No. 1 is coated outside the triangular glue, the position of the reverse-wrapping end point of the cord fabric is 10-20mm above the horizontal axis of the section, and the tire body cord fabric is coated by the high-reverse-wrapping end point of the triangular glue, so that the deformation is greatly reduced due to the clamping of the inner and outer two layers of connecting wires in the stress process, and the durability of the run-flat tire is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:
FIG. 1 is a schematic view of an anti-explosion tire according to an embodiment of the present invention;
FIG. 2 is a schematic view of a support assembly structure when deformed, wherein FIG. 2-a is a schematic view of the prior art deformation; FIG. 2-b is a schematic diagram in this embodiment;
wherein: 1-tread, 2-cap ply, 3-belt ply, 4-sidewall, 5-1 1# carcass ply, 5-2 2# carcass ply, 6-triangle-shaped rubber, 7-apex, 8-bead ring, 9-inner liner and 10-supporting rubber.
Detailed Description
The present invention will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present invention without making any inventive effort, are intended to fall within the scope of the present invention.
It is apparent that the drawings in the following description are only some examples or embodiments of the present invention, and it is possible for those of ordinary skill in the art to apply the present invention to other similar situations according to these drawings without inventive effort. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.
Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the invention. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the described embodiments of the invention can be combined with other embodiments without conflict.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "a," "an," "the," and similar referents in the context of the invention are not to be construed as limiting the quantity, but rather as singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in connection with the present invention are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., "a and/or B" may mean: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship. The terms "first," "second," "third," and the like, as used herein, are merely distinguishing between similar objects and not representing a particular ordering of objects.
The embodiment of the invention provides a support combined structure and an explosion-proof tire, and referring to FIG. 1, the support combined structure provided by the embodiment of the invention comprises a triangular glue 7 and a bead ring 8 attached to the lower part of the triangular glue 7; the height of the triangular glue 7 is 20% -30% of the height of the lower section of the tire; the outside of the triangular glue 7 and the bead ring 8 are coated with a 1# carcass ply 5-1 and a 2# carcass ply 5-2; a triangular glue 6 is arranged between the 1# carcass ply 5-1 and the 2# carcass ply 5-2 at the outer side of the triangular glue 7; the first end point of the triangular glue 6 is positioned 10-20mm below the horizontal axis of the section, the second end point is leveled with the upper end point of the triangular glue 7, and the third end point is positioned 5-10mm above the horizontal position of the bead ring 8; and a supporting glue 10 is arranged on the inner side of the No. 2 carcass ply 5-2.
In the invention, the height of the triangular glue 7 is defined to be 20% -30% of the height of the lower section of the tire, and compared with a common anti-explosion tire, the triangular glue 7 is designed to be smaller in size, so that the triangular glue 7 is positioned below a rim protecting position, and is positioned below the rim protecting position, so that the bending point position of the rim protecting position of the tire is avoided, the run-flat durability is greatly enhanced, the supportability below the rim protecting position is enhanced, and the stress of a seam allowance part is more uniform during the run-flat.
In the invention, further, the hardness of the triangular glue 7 is HS90-HS110. In this embodiment, the super strong supporting triangle glue 7 is used, so that the supporting property of the seam allowance part can be improved, and the durability of the run-flat running can be improved.
In the present invention, further, the modulus of elasticity of the apex 7 is 6.8-7.2Mpa. In this embodiment, the elastic modulus of the apex 7 is limited, so that the apex 7 is similar to the deformation of the carcass when being stressed, and the problem of delamination at the seam allowance caused by asynchronous deformation of the carcass and the apex 7 due to stress concentration is avoided.
In the invention, the triangular rubber 6 is arranged between the 1# carcass ply 5-1 and the 2# carcass ply 5-2 outside the triangular rubber 7, the positions of three endpoints of the triangular rubber 6 are limited, the thickest point is positioned at the rim protection position, the supportability of the tire side 4 below the horizontal shaft above the rim is ensured, the tire matching position of the rim can ensure the deformation, the tire and the rim are prevented from being separated during the run-flat running of the tire, the tire side 4 can be ensured to have certain bending deformation elasticity, the overall deformation of the tire side 4 is smoother while the supportability is met during the running, the stress deflection point distribution is more uniform, and the separation of the positions caused by different deformation of the stress is avoided. In the present invention, further, the thickness of the thickest point of the triangle-shaped glue 6 is 4-5mm.
In the invention, the triangular glue 7, the bead rings 8, the 1# carcass ply 5-1 and the triangular glue 6 are coated with the 2# carcass ply 5-2, and the lower sidewall 4 is supported by the whole coating of the assembly, so that all parts of the comprehensive support are relatively independent and have certain relevance, all parts are deformed and are changed into mutual traction deformation from independent deformation, the deformation under the condition of partition functionalization is systemized, the deformation is changed from the pattern of fig. 2-a to the pattern of fig. 2-b as shown in fig. 2, the lower part of the sub-opening part has ultrahigh supporting property, the upper part of the sub-opening part has stronger deflection resistance, and the situation that all parts are separated from each other and the sub-opening part delaminates due to different compression and extension deformation amounts caused by different extension and elasticity moduli is avoided.
In the present invention, the carcass ply 5-2 is made of fiber, and further is made of polyester fiber or rayon. In the embodiment, the 2# carcass ply 5-2 made of fiber can realize flexible transition with the seam allowance part, achieves the stress dispersion effect, and improves the comfort performance to a certain extent.
In the present invention, further, the outer end point of the carcass ply 5-1 # is located 10 to 20mm above the horizontal axis of the cross section. In the embodiment, the end points of the 1# carcass ply 5-1 are limited, so that the position of the 1# carcass turn-up end point is 10-20mm above the horizontal axis of the section, and the position of the apex 7 end point is coated by the high-turn-up carcass ply, so that the deformation is greatly reduced due to the clamping of the inner and outer two-layer connecting lines in the stress process, and the run-flat durability of the tire is improved.
In the present invention, further, the thickness of the supporting glue 10 at the thickest point is 6-10mm. The horizontal distance between the upper end point of the supporting glue 10 and the end point of the running surface is 10-15mm, and the vertical distance between the lower end point and the heel point is 10-15mm. In this embodiment, the thickness of the lower portion of the supporting glue 10 is 3-5mm thinner than that of the traditional supporting glue 10, and the bottom is designed to be slender, so that the size of the supporting glue 10 is greatly reduced, the heat generation is lower, the thick glue position of the bead portion is more external, the heat generated in the bending process is emitted to the outside instead of the tire cavity, the heat dissipation capacity of the bead portion is greatly enhanced, the bead portion is prevented from being damaged due to overhigh heat generation of the bead portion, and the durability of the tire is greatly improved.
The invention also provides a blowout prevention tire, which comprises the support combined structure of any one of the above.
Preferably, the run flat tire further comprises a tread 1, a cap ply 2, a belt 3, sidewalls 4, and an inner liner 9.
Performance testing
1. Support combined structure and anti-explosion tire performance data
Taking 235/55R19 as an example, the specific scheme is shown in Table 1, and the performance test results are shown in Table 2.
Table 1 test protocol
Table 2 performance test data
As can be seen from table 2, the support assembly structure provided by the invention is in scheme 1, the tire zero air pressure durability of the support assembly structure is higher than that of a common anti-explosion tire, meanwhile, the tire damage disease is the fracture of the support adhesive 10, the damage of the traditional anti-explosion tire is the fracture and delamination of the apex 7, and the support assembly structure provided by the invention has higher durability.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (8)
1. The support combined structure is characterized by comprising triangular glue and a bead ring attached to the lower part of the triangular glue; the height of the triangular glue is 20% -30% of the height of the lower section of the tire; the outside of the triangular glue and the bead ring is coated with a 1# carcass ply and a 2# carcass ply; triangle glue is arranged between the 1# carcass ply and the 2# carcass ply outside the triangle glue; the first end point of the triangular glue is positioned 10-20mm below the horizontal axis of the section, the second end point is leveled with the end point of the triangular glue, and the third end point is positioned 5-10mm above the horizontal position of the bead ring; the inner side of the No. 2 carcass ply is provided with supporting glue;
the outer end point of the No. 1 carcass ply is positioned 10-20mm above the section horizontal axis;
the outer end point of the No. 2 carcass ply is positioned 20-30mm below the outer end point of the No. 1 carcass ply.
2. The support assembly of claim 1 wherein the apex has a hardness of HS88-HS92.
3. The support assembly of claim 1, wherein the apex has an elastic modulus of 6.8-7.2Mpa.
4. The support assembly of claim 1, wherein the thickness of the thickest point of the support gel is 6-10mm.
5. The support assembly of claim 1 wherein the support gel has an upper end point at a horizontal distance of 10-15mm from the running surface end point and a lower end point at a vertical distance of 10-15mm from the heel point.
6. The support assembly of claim 1, wherein the # 2 carcass ply is a fibrous material.
7. An explosion-proof tire, characterized in that: comprising the support assembly according to any one of claims 1 to 6.
8. The run-flat tire of claim 7, further comprising a tread, cap ply, belt, sidewall, and innerliner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099461.3A CN114312167B (en) | 2022-01-27 | 2022-01-27 | Support combined structure and explosion-proof tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210099461.3A CN114312167B (en) | 2022-01-27 | 2022-01-27 | Support combined structure and explosion-proof tire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114312167A CN114312167A (en) | 2022-04-12 |
| CN114312167B true CN114312167B (en) | 2024-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210099461.3A Active CN114312167B (en) | 2022-01-27 | 2022-01-27 | Support combined structure and explosion-proof tire |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009126347A (en) * | 2007-11-22 | 2009-06-11 | Sumitomo Rubber Ind Ltd | Run flat tire |
| JP2010111172A (en) * | 2008-11-04 | 2010-05-20 | Sumitomo Rubber Ind Ltd | Run-flat tire |
| JP2016107847A (en) * | 2014-12-08 | 2016-06-20 | 住友ゴム工業株式会社 | Pneumatic tire |
| CN108995482A (en) * | 2018-09-05 | 2018-12-14 | 江苏通用科技股份有限公司 | The all-steel load-bearing radial tire structure of the double-deck body cord |
| CN209776052U (en) * | 2018-12-21 | 2019-12-13 | 安徽佳通乘用子午线轮胎有限公司 | novel tire bead reinforcing structure |
| CN111775637A (en) * | 2020-07-14 | 2020-10-16 | 江苏通用科技股份有限公司 | All-steel load-bearing radial tire bead structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6249518B2 (en) * | 2013-11-18 | 2017-12-20 | 住友ゴム工業株式会社 | Pneumatic tire |
-
2022
- 2022-01-27 CN CN202210099461.3A patent/CN114312167B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009126347A (en) * | 2007-11-22 | 2009-06-11 | Sumitomo Rubber Ind Ltd | Run flat tire |
| JP2010111172A (en) * | 2008-11-04 | 2010-05-20 | Sumitomo Rubber Ind Ltd | Run-flat tire |
| JP2016107847A (en) * | 2014-12-08 | 2016-06-20 | 住友ゴム工業株式会社 | Pneumatic tire |
| CN108995482A (en) * | 2018-09-05 | 2018-12-14 | 江苏通用科技股份有限公司 | The all-steel load-bearing radial tire structure of the double-deck body cord |
| CN209776052U (en) * | 2018-12-21 | 2019-12-13 | 安徽佳通乘用子午线轮胎有限公司 | novel tire bead reinforcing structure |
| CN111775637A (en) * | 2020-07-14 | 2020-10-16 | 江苏通用科技股份有限公司 | All-steel load-bearing radial tire bead structure |
Also Published As
| Publication number | Publication date |
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| CN114312167A (en) | 2022-04-12 |
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