CN112793367A - Novel integrated configuration's non-maintaining tire - Google Patents
Novel integrated configuration's non-maintaining tire Download PDFInfo
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- CN112793367A CN112793367A CN202110023577.4A CN202110023577A CN112793367A CN 112793367 A CN112793367 A CN 112793367A CN 202110023577 A CN202110023577 A CN 202110023577A CN 112793367 A CN112793367 A CN 112793367A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C7/00—Non-inflatable or solid tyres
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0016—Compositions of the tread
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C1/0041—Compositions of the carcass layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C1/00—Tyres characterised by the chemical composition or the physical arrangement or mixture of the composition
- B60C2001/0091—Compositions of non-inflatable or solid tyres
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The invention discloses a novel maintenance-free tire with a combined structure, which is formed by assembling an independently molded and vulcanized oblique-crossing outer tire and an independently molded and vulcanized polymer alloy rubber foamed inner tire, wherein the shape of the polymer alloy rubber foamed inner tire is changed depending on the section change of the oblique-crossing outer tire, so that the polymer alloy rubber foamed inner tire is tightly attached to the inner wall of the oblique-crossing outer tire. The oblique outer tyre and the polymer alloy rubber foaming inner tyre are molded and vulcanized into finished products through respective independent processes, and then are assembled in a matched mode through specially-made tyre assembling equipment. The oblique tyre casing body adopts a rubber material tread with low rolling resistance, the shape of the high polymer alloy foamed rubber inner tyre is changed by the change of the section of the tyre casing, the tyre casing is combined in a circular shape and an oval shape, the crown part and the side part can be assembled by being attached to the inner wall of the tyre casing, the bottom part is in a trapezoidal step shape, the tyre casing can be perfectly attached to the assembly surface of the hub, the tight assembly of the tyre casing is ensured, and the optimal use performance is achieved.
Description
Technical Field
The invention relates to the technical field of maintenance-free tires, in particular to a maintenance-free tire with a novel combined structure.
Background
A tire is a ground-rolling circular ring-shaped elastic rubber article mounted on various vehicles or machines. Generally mounted on a metal rim, and is capable of supporting a vehicle body, buffering external impact, achieving contact with a road surface and ensuring the driving performance of a vehicle. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperature effects during running, and therefore must have high load-bearing, traction and cushioning properties. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required.
With the rapid growth of urban population and motor vehicles in China, urban traffic problems are more and more prominent, which seriously affects the daily life of residents and becomes a bottleneck restricting urban development. The average travel time is longer, and the travel efficiency is reduced; the road network has poor strain capacity, and is easy to cause the problems of large-scale traffic paralysis and the like in case of accidents.
In addition to public travel system modes such as buses and subways are mostly selected by people in urban travel, and besides, after a single vehicle and a shared vehicle are shared, the popularity of another vehicle is also catalyzed by the era of shared operation, namely, the shared electric vehicle, along with the development of shared operation, the use of the vehicle and the maintenance of the market, and the requirement on the performance of tires on the vehicle is continuously improved. The traditional pneumatic tire has good comfort and buffering performance, is suitable for high-speed driving, has the defects of easy puncture and top explosion under high load, timely inflation during slow air leakage, incapability of driving without air pressure and the like, is high in maintenance cost, and has a concept of being out of the development of a shared market. And the quality problem and the safety problem are easy to occur when the paint is used under special conditions such as severe weather and road surfaces.
In order to solve the problems, chinese patent No. CN203651354U discloses an inflation-free tire, which comprises a tire body, steel wires embedded in the tire beads on the inner edges of the two sides of the tire body, and a cord fabric layer arranged in the tire body and having a U-shaped radially-distributed cross section, wherein the tire body is embedded in the tire body and is formed by one-time foaming, the middle area of the inner side of the inner tire body is in a groove shape, a circular cavity is radially distributed in the inner tire body, and a semicircular rubber support body is arranged at the bottom of the groove.
The tire body of the non-pneumatic tire is made of natural rubber, is made of a resistant foaming material, is large in adaptive temperature range, is not easy to age at high temperature in summer, the semi-circular rubber support body arranged at the groove part is used for enhancing the tire body support degree, the combination degree of the whole non-pneumatic tire and a hub is increased, the tire cannot lose rotation in riding, cannot slip off, and is light in weight, stable in physical performance, safe and reliable.
Although the defects of the traditional pneumatic tire with an inner tire and an outer tire are overcome, the inner tire body is formed by one-time foaming molding embedded in the tire body, the integral assembling performance is poor, the tire cannot be smoothly disassembled after being assembled, and the tire must be scrapped by destructively disassembling the tire if maintenance and replacement are needed; secondly, because of the difference of rubber materials of the outer tire and the inner tire, the one-step foaming forming process needs to be finished within the same vulcanization temperature and time, a tire body vulcanization system can not obtain reasonable reaction, and various rubber performance indexes can not be normally exerted, so that the abrasion performance and the safety performance of the normal use of the outer tire can be influenced; in addition, the requirements on the tread of the outer tire and the material formula of the tire surface are not standardized, only the one-time foaming forming mode of the tire body and the inner tire body and the basic maintenance-free performance are presented, and the high-performance requirements of the current-stage vehicle use are not met, such as low rolling resistance, energy conservation, high elasticity and comfort of the inner tire body, the inner tire body profile which is matched with the outer tire body along with the change of the outer tire body cannot reach the optimal use state, and the like.
Disclosure of Invention
The invention aims to provide a maintenance-free tire with a novel combined structure, aiming at solving the technical problem.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a novel integrated configuration's non-maintaining tire, is formed by the oblique crossing cover tire of independent shaping vulcanization and the assembly of the polymer alloy rubber foaming inner tube of a tyre of independent shaping vulcanization, the shape of polymer alloy foaming rubber foaming inner tube of a tyre relies on the section change of oblique crossing cover tire and changes for the inner wall setting of the oblique crossing cover tire of the inseparable laminating of polymer alloy rubber foaming inner tube of a tyre.
Furthermore, the top side of the oblique-crossing cover tire body is a tire crown part, the edge part of the oblique-crossing cover tire body is a tire sidewall part, the lower part of the oblique-crossing cover tire body is a tire bead part, a cord fabric layer and an inner surface layer are sequentially arranged on the inner wall of the oblique-crossing cover tire between the tire crown part and the tire sidewall part, and a steel wire ring is arranged at the tire bead part.
Furthermore, the upper part of the tire type of the alloy rubber foaming inner tube is circular or oval, the lower part of the tire type of the alloy rubber foaming inner tube is trapezoidal, and the width of the bottom of the trapezoid is 20-30 mm.
Furthermore, a plurality of streamline grooves are arranged on the crown part of the oblique tyre casing, and 40-70% of the arc width area of the crown part of the oblique tyre casing is prepared by matching a low rolling resistance formula rubber material.
Further, the low rolling resistance formula sizing material comprises the following components in parts by weight: 20-30 parts of SCR5#, SSBR 3554: 40-60 parts, CB 24: 10-40 parts of white carbon black: 60-80 parts, 5-10 parts of N550, PEG-4000: 5-8 parts of zinc oxide, 6-8 parts of SI69, 2-3 parts of promoter D: 2.5-3.5 parts of stearic acid: 1.5-2.5 parts, 4020:2.0-3.5 parts, RD: 1.5-2.5 parts, SL10230:1.5-2.0 parts, S:2.0-2.25 parts, CZ: 1.8-2.5 parts of TBZTD: 0.15 to 0.25 portion.
Further, the rubber material of the alloy rubber foaming inner tube comprises the following components in parts by weight: natural rubber: 30-70 parts of ethylene propylene diene monomer: 30-70 parts, N234: 5-25 parts of white carbon black: 35-45 parts of zinc oxide: 2-3 parts, stearic acid: 1-1.5 parts of an anti-aging agent 4020: 0.5-1.5 parts of accelerator: 0.1-0.6 parts of sulfur: 0.5-1.0 part of foaming agent: 2-3.0 parts of foaming auxiliary agent: 1.0-1.5 parts of super silane: 5-8% of the white carbon black.
Compared with the prior art, the invention has the beneficial effects that:
the maintenance-free tire with the combined structure comprises an oblique outer tire and a polymer alloy rubber foaming inner tire, wherein the oblique outer tire and the polymer alloy rubber foaming inner tire are molded and vulcanized to form a finished product through respective independent processes, and then are assembled in a matched mode through special tire assembling equipment. The oblique tyre casing body adopts a rubber material tread with low rolling resistance, the shape of the high polymer alloy foamed rubber inner tyre changes depending on the change of the section of the tyre casing, the tyre casing is combined in a circular shape and an oval shape, the crown part and the side part can be perfectly attached to the inner wall of the tyre casing for assembly, the bottom part is in a trapezoidal step shape, the hub assembly surface can be perfectly attached to the hub assembly surface, the tight assembly of the tyre casing is ensured, and the optimal use performance is achieved.
Drawings
FIG. 1 is a schematic structural view of a maintenance-free tire of the novel combination of the present invention;
FIG. 2 is a schematic view of the bias outer tube and the foam inner tube of the maintenance-free tire of the novel combined structure of the invention;
FIGS. 3 and 4 are schematic illustrations of the distribution of the low rolling resistance compound over the crown of the new unitized maintenance-free tire of the present invention;
fig. 5 is a sectional view of the foamed inner tube of the maintenance-free tire of the novel combined structure of the invention.
Marked in the figure as 1-bias tyre, 2-foaming inner tube, 3-tyre crown, 4-inner surface layer, 5-cord layer, 6-tyre side, 7-tyre lip and 8-steel wire.
Detailed Description
The present invention will be further described with reference to the following examples, which are intended to illustrate only some, but not all, of the embodiments of the present invention. Based on the embodiments of the present invention, other embodiments used by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Example 1:
as shown in fig. 1-2, a novel maintenance-free tire with a combined structure is assembled by an independently molded and vulcanized bias outer tire 1 and an independently molded and vulcanized polymer alloy rubber foamed inner tire 2, wherein the bias outer tire 1 adopts a rubber material tread with low rolling resistance, and the shape of the polymer alloy rubber foamed inner tire 2 changes depending on the section change of the bias outer tire 1, so that the polymer alloy rubber foamed inner tire 2 is tightly attached to the inner wall of the bias outer tire 1. The tire can be perfectly attached to the inner wall of the oblique outer tire 1 for assembly, and the comprehensive maintenance-free performance of the tire is exerted.
In this embodiment, the low rolling resistance formula rubber comprises the following components in parts by weight: 20 parts of SCR5#, SSBR 3554: 50 parts, CB 24: 30 parts of white carbon black: 60 parts, N550:8 parts, PEG-4000: 8 parts, 7 parts of SI69, 2 parts of promoter D, zinc oxide: 3.5 parts, stearic acid: 2.5 parts, 4020:2.0 parts, RD: 1.5 parts, SL10230: 2.0 parts, S:2.25 parts, CZ: 2.5 parts, TBZTD: 0.15 part. The molding vulcanization process is prepared according to the existing process requirements.
In this embodiment, the rubber material of the alloy rubber foam inner tube 2 comprises the following components in parts by weight: natural rubber: 30 parts of ethylene propylene diene monomer: 40 parts, N234: 15 parts of white carbon black: 35 parts, zinc oxide: 2 parts, stearic acid: 1 part of an antioxidant 4020: 1.5 parts, accelerator: 0.5 part, sulfur: 0.8 part, foaming agent: 2 parts, foaming auxiliary agent: 1.0 part, super silane: 5 percent of the white carbon black. The molding vulcanization process is prepared according to the existing process requirements.
The hub is assembled together through later-stage combination and pressed into the hub. The assembly flexibility is high, if maintenance and replacement occur, the tire can be detached separately without destructively detaching the tire, and the tire can be reused after replacement, so that the maintenance cost is saved; and secondly, the outer tire and the inner tire are separately molded and vulcanized independently, and the two different molding processes do not interfere with the respective vulcanization systems of the outer tire and the inner tire, so that various rubber performance indexes can normally play a role, and the service life is not influenced.
As shown in fig. 3-4, the top side of the body of the oblique outer tire 1 is a tire crown portion 3, the side of the body of the oblique outer tire 1 is a tire sidewall portion 6, the lower part of the body of the oblique outer tire 1 is a tire bead portion 7, a cord layer 5 and an inner surface layer 4 are sequentially arranged on the inner wall of the oblique outer tire 1 between the tire crown portion 3 and the tire sidewall portion 6, and a steel wire 8 ring is arranged at the tire bead portion 7.
As shown in fig. 5, in order to promote the close fit with the hub after the assembly, the upper part of the tire shape of the alloy rubber foam inner tube 2 is circular or oval, and the lower part is trapezoidal, so that a sufficient width is maintained, and the width of the bottom of the trapezoid is generally 20-30 mm.
In the embodiment, the crown part 3 of the oblique outer tire 1 is provided with a plurality of streamline grooves with directionality, and the low-rolling-resistance formula rubber material covers 40-70% of the arc width area on the pattern blocks of the tire crown, so that the energy-saving and control safety performance of the tire is comprehensively improved.
The invention has novel structure and strong practicability. The combined type tire rim is assembled on the rim, and the comprehensive performance of the tire without maintenance can be reasonably exerted. The outer tire oblique crossing structure can effectively restrain the inner tire from deviation and knocking off, and the tire tread uses a high-grip low-rolling-resistance formula rubber material, so that the safety performance and the endurance are effectively improved.
The high polymer alloy rubber foaming inner tube 2 is made of a special alloy rubber material and a special mold cavity through high-temperature foaming, is stable in size, has high elastic supporting force, improves the comfort performance, and meanwhile, the tire can deform in the driving process and can compensate through elastic deformation, so that the coating between the tire crown and the ground is effectively improved. Secondly, the tire is resistant to high temperature and burning, is permanently maintenance-free, and ensures the service life and the driving safety of the tire.
Example 2:
in this embodiment, only the different parts from embodiment 1 are described, and the description of the same parts is omitted, specifically:
in this embodiment, the low rolling resistance formula rubber comprises the following components in parts by weight: 25 parts of SCR5#, SSBR 3554: 40 parts, CB 24: 40 parts of white carbon black: 70 parts, N550:10 parts, PEG-4000: 5 parts, 6 parts of SI69, 3 parts of promoter D, zinc oxide: 2.5 parts, stearic acid: 1.5 parts, 4020:3.5 parts, RD: 2.5 parts, SL10230:1.5 parts, S:2 parts, CZ: 1.8 parts, TBZTD: 0.25 part. The molding vulcanization process is prepared according to the existing process requirements.
In this embodiment, the rubber material of the alloy rubber foam inner tube 2 comprises the following components in parts by weight: natural rubber: 70 parts of ethylene propylene diene monomer: 30 parts, N234: 25 parts of white carbon black: 45 parts, zinc oxide: 3 parts, stearic acid: 1.5 parts, anti-aging agent 4020: 0.5 part, accelerator: 0.6 part, sulfur: 0.5 part, foaming agent: 3 parts of foaming auxiliary agent: 1.5 parts, super silane: 8 percent of the white carbon black. The molding vulcanization process is prepared according to the existing process requirements.
Example 3:
in this embodiment, only the different parts from embodiment 1 are described, and the description of the same parts is omitted, specifically:
in this embodiment, the low rolling resistance formula rubber comprises the following components in parts by weight: 30 parts of SCR5#, SSBR 3554: 60 parts, CB 24: 10 parts of white carbon black: 80 parts, N550:5 parts, PEG-4000: 7 parts, 8 parts of SI69, 2.5 parts of promoter D, zinc oxide: 3 parts, stearic acid: 2 parts, 4020:3 parts, RD: 2 parts, SL10230:1.8 parts, S:2.15 parts, CZ: 2 parts, TBZTD: 0.2 part. The molding vulcanization process is prepared according to the existing process requirements.
In this embodiment, the rubber material of the alloy rubber foam inner tube 2 comprises the following components in parts by weight: natural rubber: 45 parts of ethylene propylene diene monomer: 70 parts, N234: 18 parts of white carbon black: 40 parts, zinc oxide: 2.5 parts, stearic acid: 1.2 parts, anti-aging agent 4020: 1.5 parts, accelerator: 0.5 part, sulfur: 1 part, foaming agent: 2.3 parts of foaming auxiliary agent: 1.2 parts, super silane: 7 percent of the using amount of the white carbon black. The molding vulcanization process is prepared according to the existing process requirements.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a novel integrated configuration's non-maintaining tire, its characterized in that, by the oblique crossing cover tire (1) of independent shaping vulcanization and by the assembly of the polymer alloy rubber foaming inner tube of a tyre (2) of independent shaping vulcanization form, the shape of polymer alloy rubber foaming inner tube of a tyre (2) relies on the section change of oblique crossing cover tire (1) and changes for the inner wall setting of the oblique crossing cover tire (1) is closely laminated to polymer alloy rubber foaming inner tube of a tyre (2).
2. The novel maintenance-free tire with the combined structure is characterized in that the top side of the body of the oblique-crossing tire casing (1) is a tire crown part (3), the edge part of the body of the oblique-crossing tire casing (1) is a tire side part (6), the lower part of the body of the oblique-crossing tire casing (1) is a tire lip part (7), a cord layer (5) and an inner surface layer (4) are sequentially arranged on the inner wall of the oblique-crossing tire casing (1) between the tire crown part (3) and the tire side part (6), and a steel wire (8) ring is arranged on the tire lip part (7).
3. The maintenance-free tire with a novel combined structure as claimed in claim 2, wherein the upper part of the tire shape of the alloy rubber foam inner tube (2) is circular or oval, the lower part is trapezoidal, and the width of the bottom of the trapezoid is 20-30 mm.
4. The maintenance-free tire with a novel combined structure as claimed in claim 2, wherein the crown part (3) of the bias outer tire (1) is provided with a plurality of streamline grooves, and 40% -70% of the arc width area of the crown part (3) of the bias outer tire (1) is made of low rolling resistance formula rubber.
5. The novel combined structure maintenance-free tire as claimed in claim 4, wherein said low rolling resistance formula rubber compound comprises the following components in parts by weight: 20-30 parts of SCR5#, SSBR 3554: 40-60 parts, CB 24: 10-40 parts of white carbon black: 60-80 parts, 5-10 parts of N550, PEG-4000: 5-8 parts of zinc oxide, 6-8 parts of SI69, 2-3 parts of promoter D: 2.5-3.5 parts of stearic acid: 1.5-2.5 parts, 4020:2.0-3.5 parts, RD: 1.5-2.5 parts, SL10230:1.5-2.0 parts, S:2.0-2.25 parts, CZ: 1.8-2.5 parts of TBZTD: 0.15 to 0.25 portion.
6. The novel maintenance-free tire with combined structure as claimed in claim 4, wherein the rubber material of said alloy rubber foamed inner tube (2) comprises the following components by weight: natural rubber: 30-70 parts of ethylene propylene diene monomer: 30-70 parts, N234: 5-25 parts of white carbon black: 35-45 parts of zinc oxide: 2-3 parts of stearic acid: 1-1.5 parts of an anti-aging agent 4020: 0.5-1.5 parts of accelerator: 0.1-0.6 parts of sulfur: 0.5-1.0 part of foaming agent: 2-3.0 parts of foaming auxiliary agent: 1.0-1.5 parts of super silane: 5-8% of the white carbon black.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110023577.4A CN112793367A (en) | 2021-01-08 | 2021-01-08 | Novel integrated configuration's non-maintaining tire |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110023577.4A CN112793367A (en) | 2021-01-08 | 2021-01-08 | Novel integrated configuration's non-maintaining tire |
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| CN112793367A true CN112793367A (en) | 2021-05-14 |
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| CN202110023577.4A Pending CN112793367A (en) | 2021-01-08 | 2021-01-08 | Novel integrated configuration's non-maintaining tire |
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| CN205553798U (en) * | 2016-04-29 | 2016-09-07 | 莒县恒通橡胶有限公司 | Exempt from to aerify solid foaming inner tube of a tyre |
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| CN207388765U (en) * | 2017-09-15 | 2018-05-22 | 蚌埠伊诺华轮胎有限公司 | A kind of bicycle tyre with rubber pange tire core and low aspect ratio |
| CN108501621A (en) * | 2018-06-04 | 2018-09-07 | 青岛富耐特矿业科技有限公司 | A kind of high-performance special filled type solid tyre |
| CN111777806A (en) * | 2020-07-21 | 2020-10-16 | 四川远星橡胶有限责任公司 | Maintenance-free tire rubber material and preparation method thereof |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1715041A (en) * | 2004-03-18 | 2006-01-04 | 卡莱尔印唐伊布勒公司 | Non-pneumatic tire and method of making same |
| JP2005343435A (en) * | 2004-06-07 | 2005-12-15 | Sumitomo Rubber Ind Ltd | Solid tire |
| CN203651354U (en) * | 2013-10-25 | 2014-06-18 | 李少坤 | Inflation-free tire |
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| CN205553798U (en) * | 2016-04-29 | 2016-09-07 | 莒县恒通橡胶有限公司 | Exempt from to aerify solid foaming inner tube of a tyre |
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| CN207388765U (en) * | 2017-09-15 | 2018-05-22 | 蚌埠伊诺华轮胎有限公司 | A kind of bicycle tyre with rubber pange tire core and low aspect ratio |
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| CN111777806A (en) * | 2020-07-21 | 2020-10-16 | 四川远星橡胶有限责任公司 | Maintenance-free tire rubber material and preparation method thereof |
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