WO2021244679A1 - 一种轮胎 - Google Patents

一种轮胎 Download PDF

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Publication number
WO2021244679A1
WO2021244679A1 PCT/CN2021/110137 CN2021110137W WO2021244679A1 WO 2021244679 A1 WO2021244679 A1 WO 2021244679A1 CN 2021110137 W CN2021110137 W CN 2021110137W WO 2021244679 A1 WO2021244679 A1 WO 2021244679A1
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WO
WIPO (PCT)
Prior art keywords
tire
rubber
bead
sidewall
reinforcement
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PCT/CN2021/110137
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English (en)
French (fr)
Inventor
王�锋
滕雷
刘晓棠
陈东
朱丽艳
陈雪梅
鲁言宏
Original Assignee
山东玲珑轮胎股份有限公司
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Application filed by 山东玲珑轮胎股份有限公司 filed Critical 山东玲珑轮胎股份有限公司
Publication of WO2021244679A1 publication Critical patent/WO2021244679A1/zh

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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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/02—Carcasses
    • B60C9/04—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship
    • B60C9/08—Carcasses the reinforcing cords of each carcass ply arranged in a substantially parallel relationship the cords extend transversely from bead to bead, i.e. radial ply
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/0009—Tyre beads, e.g. ply turn-up or overlap features of the carcass terminal portion
    • 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
    • B60C15/00—Tyre beads, e.g. ply turn-up or overlap
    • B60C15/04—Bead cores
    • 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
    • B60C9/00—Reinforcements or ply arrangement of pneumatic tyres
    • B60C9/18—Structure or arrangement of belts or breakers, crown-reinforcing or cushioning layers

Definitions

  • the present invention relates to the technical field of passenger car tires, and particularly to the tires of these tires.
  • Reducing tire rolling resistance can be achieved by using low hysteresis materials, reducing tire weight and other methods.
  • the existing technology takes into account other performance requirements of tires, while reducing tire rolling resistance is a bottleneck.
  • a tire which includes: a tire crown, a sidewall, a tire, a carcass reinforcement, and a rubber reinforcement.
  • the bead is used to fix the tire on the rim. It extends outwards and is connected to the tire crown.
  • the tire crown covers the tire circumferential direction, the carcass reinforcement is fixed on the bead, and the rubber reinforcement is circumferentially arranged between the carcass reinforcement and the sidewall, and the rubber is reinforced
  • the parts connect the sidewall, the bead and the carcass reinforcement.
  • the reasonable misalignment of the intersecting positions of the parts of the present invention can effectively disperse the stress on the sidewall and reduce the heat concentration on the sidewall.
  • the tire material is made of low-heat-generating rubber. With the temperature rise of small tires during exercise, the tires made according to the invention can improve the rolling resistance performance of the tires.
  • the internal structure of the tire is improved.
  • the rubber reinforcement is added between the sidewall, the carcass reinforcement, and the bead, and the rubber reinforcement is arranged on the carcass reinforcement. And the rubber reinforcement is formed along the circumference of the bead, and the rubber reinforcement connects the apex, sidewall rubber, spigot rubber and carcass reinforcement together, Increase its connection strength.
  • the positioning parameters of the components involved in the internal structure of the tire are improved.
  • the overall radial height of the tire of the rubber reinforcement is H, and the radial height of the apex is KA .
  • the radial height of the upper end point of the rubber reinforcement is KB, and the radial height of the upper end point of the sub-mouth protective rubber is KC, where 7%H ⁇ KA ⁇ 15%H, KB ⁇ 25%H, KC ⁇ 20%H, through the reasonable design of the internal structure of the tire, while reducing the rolling resistance of the tire, it also takes into account the wear resistance, grip and safety of the tire.
  • the selection of the rubber material of the tire is improved.
  • the rubber reinforcement is made of a rubber compound, and the rubber compound has a modulus of elasticity at 60° C.
  • the rubber compound The viscous modulus at 60°C is E”; among them, E” ⁇ 0.3*E”*(E'-0.4*E”)-0.4MPa, and the loss factor of rubber compound at 60°C is E”/E'
  • a tire in some embodiments of the present application, includes: a bead, the bead is provided with two, and the two beads are symmetrically installed at both ends of the rim along the axis of the rim, and the bead is used for The tire is fixed on the rim; the sidewall, the sidewall is provided with two, and the two sidewalls are circumscribed to the two bead respectively, and the sidewall is along the bead diameter Outward edge; tire crown, the two ends of the crown are respectively connected to the two sidewalls, and the crown covers the tire circumferential direction; carcass reinforcement, one end of the carcass reinforcement is fixed to the On the bead, the carcass reinforcement is formed along the circumference of the bead, and the carcass reinforcement is along the radial outer edge of the bead, and one side of the carcass reinforcement is attached to the On the inner sidewall of the sidewall; rubber reinforcement, the rubber reinforcement is circumferentially arranged between the carcass reinforcement and the sidewall, and the rubber reinforcement is formed along
  • the bead includes: a bead wire, the bead wire has a circular ring shape, and provides a basic shape base frame for the tire; an apex, the apex is coated on the On the bead wire to connect the bead wire and the sidewall and other tire rubber components together.
  • the sidewall includes: sidewall rubber, which is coated on the outer side of the apex; and a spigot rubber, which is connected to the sidewall Glue one end.
  • the tire crown includes: a tread rubber layer, the two ends of the tread rubber layer are respectively connected to the two sidewall peripheries; the crown reinforcement, the crown reinforcement along the tire Circumferentially covers the tread rubber layer.
  • the overall radial height of the tire is H
  • the radial height of the apex is KA
  • the radial height of the upper end of the rubber reinforcement is KB
  • the sub-mouth rubber The radial height of the upper end point is KC, where 7%H ⁇ KA ⁇ 15%H, KB ⁇ 25%H, and KC ⁇ 20%H.
  • the rubber reinforcement is made of a rubber mixture, and the rubber mixture has an elastic modulus at 60°C of E', and the rubber mixture has a viscosity modulus at 60°C of E ", where E" ⁇ 0.3*E"*(E'-0.4*E")-0.4MPa, and the value of the loss factor E"/E' of the rubber mixture at 60°C, tan ⁇ 0.05.
  • the parting surface formed by the spigot rubber, sidewall rubber, and rubber reinforcement extends in the tire radial direction in the tire inner direction.
  • the Shore hardness of the rubber compound used in the sidewall rubber in the vulcanized state is ⁇ 52 HA.
  • Figure 1 is a radial cross-sectional view of a tire according to an embodiment of the present invention
  • Figure 2 is an enlarged view of the bead part shown in Figure 1;
  • Figure 3 is an enlarged view of the sidewall and rubber reinforcement shown in Figure 1;
  • Fig. 4 is an explanatory diagram of positioning of the embodiment of the present invention shown in Fig. 1;
  • tread rubber layer 12, tire crown reinforcement; 21, sidewall rubber; 22, spigot protective rubber; 30, carcass reinforcement; 41, apex; 42, bead wire; 50, Rubber reinforcement.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of this application, unless otherwise specified, “plurality” means two or more.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • connection should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components.
  • the expression refers to the radial direction of the tire. If it is closer to the axis of rotation of the tire, it is expressed as “radially inner”; when the term “circumferential” is used, it is expressed as the tire rolling direction; When the term “in tire” is used, it means that the tire is near the side of the rim;
  • the tire has a crown, two sidewalls, two beads, and two rubber reinforcements 50. It is in contact with the rim and is used to fix the tire to the rim.
  • Each bead includes a bead wire 42 and an apex 41.
  • the bead wire 42 is in a circular ring shape and provides a basic frame for the tire, covered by the apex 41.
  • the two sidewalls respectively extend radially outward from each bead to the crown, and each sidewall includes the sidewall Adhesive 21 and spigot rubber 22.
  • Sidewall rubber 21 is wrapped on the outside of apex 41.
  • One end of spigot rubber 22 is connected to one end of sidewall rubber 21 and forms the sidewall of the entire sidewall.
  • the spigot rubber 22 starts
  • the crown includes a tread rubber layer 11 and a crown reinforcement 12.
  • the tread rubber layer 11 is connected to the two sidewalls along the tire circumferential direction.
  • the crown reinforcement 12 runs along the tire.
  • Circumferentially covering the tread rubber layer 11 each rubber reinforcement 50 is placed between the carcass reinforcement 30 and the sidewall and is formed along the circumference of the bead.
  • the rubber reinforcement 50 is connected to the apex 41 and the sidewall rubber. 21.
  • the spigot rubber 22 and the carcass reinforcement 30 improve the stability and reliability of the overall tire connection.
  • the reasonable dislocation of the intersection position of each component of the tire can effectively disperse the stress on the sidewall, avoid stress concentration and reduce
  • the heat in the sidewall part is concentrated, and the tire made according to the present invention can improve the
  • the radial height of the bead is less than or equal to 15% of the overall radial height of the tire, and the radial height of the bead is greater than or equal to the overall radial height of the tire
  • the radial height of the rubber reinforcement is less than or equal to 25% of the overall radial height of the tire, and the radial height of the sidewall is less than or equal to 20% of the overall radial height of the tire.
  • FIG 2 is an enlarged view of the bead part shown in Figure 1, the apex 41 is coated on the outside of the bead wire 42, the sidewall rubber 21 is connected with the apex 41, and the spigot rubber 22 is connected to the apex 41 at one end and forms the whole
  • the sidewall of the tire, the carcass reinforcement 30 is formed along the circumference of the bead, and the carcass reinforcement 30 is along the outer edge of the bead radial direction, and one side of the carcass reinforcement 30 is attached to the inner side wall of the sidewall
  • the rubber reinforcement 50 is arranged between the carcass reinforcement 30 and the sidewall along the circumferential direction of the bead, and the rubber reinforcement 50 is formed along the circumferential direction of the bead, and the rubber is reinforced
  • the member 50 connects the apex 41, the sidewall rubber 21, the spigot rubber 22 and the carcass reinforcement 30.
  • Figure 3 is an enlarged view of the sidewall and rubber reinforcement 50 shown in Figure 1.
  • the rubber reinforcement 50 is attached to the sidewall to connect the sidewall rubber 21 and the spigot rubber 22 to improve the stability and connection of the sidewall For reliability, the parting surface formed by the spigot rubber 22, the sidewall rubber 21, and the rubber reinforcement 50 extends in the tire radial direction in the tire inner direction.
  • the rubber reinforcement 50 is made of a rubber mixture made of a rubber mixture.
  • the rubber mixture has an elastic modulus E'and a viscosity modulus E" at 60°C, and satisfies: E" ⁇ 0.3*E"*(E '-0.4*E”)-0.4MPA, the loss factor E”/E' of the rubber mixture at 60°C at 60°C is less than or equal to 0.05, that is, TAN ⁇ 0.05.
  • the rubber compound used for the sidewall rubber 21 is provided with a rubber compound with a Shore hardness of not greater than 52 HA in the vulcanized state.
  • the rubber reinforcement 50 is combined with the sidewall and formed directly by the sidewall extruder.
  • Figure 4 is an explanatory diagram of positioning of an embodiment of the present invention.
  • the tire radial height is H
  • the tire radial height H is defined as the diameter between the radially innermost point of the tire and the radially outermost point of the crown when the tire is installed on the rim.
  • the radial height of the apex 41 is KA
  • the radial height of the upper end of the rubber reinforcement 50 is KB
  • the radial height of the upper end of the sub-mouth rubber 22 is KC, where 7%H ⁇ KA ⁇ 15 %H, KB ⁇ 25%H, KC ⁇ 20%H.
  • the rubber reinforcement is added between the sidewall, the carcass reinforcement and the bead, and the rubber reinforcement is arranged between the carcass reinforcement and the sidewall, and The rubber reinforcement is formed along the circumference of the bead, and the rubber reinforcement connects the apex, sidewall rubber, spigot rubber and carcass reinforcement together to increase the connection strength.
  • the overall radial height of the rubber reinforcement of the tire is H
  • the radial height of the apex is KA
  • the radial height of the upper end of the rubber reinforcement is KB
  • the radial height of the upper end of the protective rubber at the mouth is KC, among which, 7%H ⁇ KA ⁇ 15%H, KB ⁇ 25%H, KC ⁇ 20%H, through the rational design of the tire internal structure to reduce tire rolling At the same time of resistance, it also takes into account the wear resistance, grip and safety of the tire.
  • the rubber reinforcement is made of a rubber compound, and the rubber compound has an elastic modulus at 60°C of E'and the rubber compound has a viscosity modulus at 60°C of E "; Among them, E" ⁇ 0.3*E"*(E'-0.4*E")-0.4MPa, and the value of the loss factor E"/E' of the rubber mixture at 60°C, tan ⁇ 0.05, using low heat generation
  • the rubber material improves the stability of the overall connection of the tire and improves the rolling resistance of the tire.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

一种轮胎，其包括：胎冠、胎侧、胎圈、胎体增强件（30）和橡胶增强件（50），胎圈用于将轮胎固定在轮辋上，胎侧从胎圈径向外沿，且与胎冠相连接，胎冠沿着轮胎周向覆盖，胎体增强件（30）固定在胎圈上，橡胶增强件（50）周向布置在胎体增强件（30）和胎侧之间，且橡胶增强件（50）连接胎侧、胎圈和胎体增强件（30），同时对胎圈结构中涉及到的各部件定位参数进行了改进，各部件交合位置的合理错位，使胎侧部位的应力有效分散，减小胎侧部位的热量集中，轮胎材料采用低生热橡胶，减小轮胎在运动过程中的温升，所述轮胎可以提高轮胎的滚阻性能。

Description

一种轮胎 技术领域
本发明涉及乘用车轮胎技术领域，特别涉及到这些轮胎的轮胎。
背景技术
近年来，随着世界汽车保有量的大幅增长，车用能源的消耗占整个石油消耗量的比重也日益加大，据统计，目前轮胎摩擦生热过程中释放的CO2已占全球矿物燃料释放的温室气体的3％。汽车油耗也有相当一部分用于克服轮胎摩擦阻力。因此,通过改进轮胎实现汽车的节能减排，打赢“蓝天保卫战”，已经成为轮胎公司的重要工作。
降低轮胎滚动阻力可以通过使用低滞后特性材料、降低轮胎重量等方法来实现，现有技术兼顾在轮胎其他性能需求的同时，降低轮胎滚动阻力出现瓶颈。
现有降低轮胎滚动阻力的方法缺点如下：
1.通过改善胎面配方从而降低滚阻，轮胎的耐磨性、抓地力将受到影响；
2.通过降低轮胎重量来降低滚阻，轮胎的安全性将受到影响。
发明内容
本申请的一些实施例中，提供一种轮胎，其包括：胎冠、胎侧、轮胎、胎体增强件和橡胶增强件，胎圈用于将轮胎固定在轮辋上，胎侧从胎圈径向外沿，且与胎冠相连接，胎冠沿着轮胎周向覆盖，胎体增强件固定在胎圈上，橡胶增强件周向布置在胎体增强件和胎侧之间，且橡胶增强件连接胎侧、胎圈和胎体增强件，本发明各部件交合位置 的合理错位，使胎侧部位的应力有效分散，减小胎侧部位的热量集中，轮胎材料采用低生热橡胶，减小轮胎在运动过程中的温升，依据本发明制作的轮胎可以提高轮胎的滚阻性能。
本申请的一些实施例中，对轮胎的内部结构进行了改进，在所述胎侧、胎体增强件和胎圈之间加设所述橡胶增强件，所述橡胶增强件布置在胎体增强件和胎侧之间，且所述橡胶增强件沿所述胎圈周向成型，所述橡胶增强件将所述三角胶、胎侧胶、子口护胶和胎体增强件连接在一起，增加其连接强度。
本申请的一些实施例中，对轮胎的内部结构中涉及到的各部件定位参数进行了改进，所述橡胶增强件所述轮胎整体径向高度为H，所述三角胶的径向高度为KA，所述橡胶增强件的上部端点的径向高度为KB，所述子口护胶上部端点的径向高度为KC，其中，7％H≤KA≤15％H，KB≤25％H，KC≤20％H，通过对轮胎内部结构的合理设计在降低轮胎滚动阻力的同时，也兼顾轮胎的耐磨性、抓地力和安全性等问题。
本申请的一些实施例中，对轮胎的橡胶材料的选择进行了改进，所述橡胶增强件由橡胶混合物制成，所述橡胶混合物在60℃下具备的弹性模量为E’所述橡胶混合物在60℃下具备的粘性模量为E”；其中，E”≤0.3*E”*(E’-0.4*E”)-0.4MPa,且橡胶混合物在60℃下损耗因子E”/E’的值，tanδ≤0.05，采用低生热橡胶材料以提高轮胎整体连接的稳定性，提高轮胎的滚阻性能。
本申请的一些实施例中，一种轮胎，其包括：胎圈，所述胎圈设置有两个，且两个所述胎圈沿轮辋轴向对称安装在轮辋两端，所述胎圈用于将所述轮胎固定在轮辋上；胎侧，所述胎侧设置有两个，且两个所述胎侧分别外接于两个所述胎圈，且所述胎侧沿所述胎圈径向外沿；胎冠，所述胎冠两端分别连接两个所述胎侧，且所述胎冠沿着轮胎周向覆盖；胎体增强件，所述胎体增强件一端固定在所述胎圈上，所述胎体增强件沿所述胎圈周向成型，且所述胎体增强件沿所述胎圈 径向外沿，所述胎体增强件一侧贴附连接在所述胎侧的内侧壁上；橡胶增强件，所述橡胶增强件周向布置在胎体增强件和胎侧之间，且所述橡胶增强件沿所述胎圈周向成型，所述橡胶增强件连接所述胎侧、胎圈和胎体增强件，其中，所述胎圈的径向高度在所述轮胎整体径向高度的15％以下，且所述胎圈的径向高度在所述轮胎整体径向高度的7％以上，所述橡胶增强件的径向高度在所述轮胎整体径向高度的25％以下，所述胎侧的径向高度在所述轮胎整体径向高度的20％以下。
本申请的一些实施例中，所述胎圈包括：胎圈钢丝，所述胎圈钢丝为圆环状，为所述轮胎提供基本形状基架；三角胶，所述三角胶包覆在所述胎圈钢丝上，以将所述胎圈钢丝与所述胎侧等轮胎橡胶元件连接在一起。
本申请的一些实施例中，所述胎侧包括：胎侧胶，所述胎侧胶包覆在所述三角胶的外侧；子口护胶，所述子口护胶连接在所述胎侧胶的一端。
本申请的一些实施例中，所述胎冠包括：胎面橡胶层，所述胎面橡胶层两端分别连接在两个所述胎侧外围上；胎冠增强件，胎冠增强件沿轮胎周向覆盖在所述胎面橡胶层上。
本申请的一些实施例中，所述轮胎整体径向高度为H，所述三角胶的径向高度为KA，所述橡胶增强件的上部端点的径向高度为KB，所述子口护胶上部端点的径向高度为KC，其中，7％H≤KA≤15％H，KB≤25％H，KC≤20％H。
本申请的一些实施例中，所述橡胶增强件由橡胶混合物制成，所述橡胶混合物在60℃下具备的弹性模量为E’所述橡胶混合物在60℃下具备的粘性模量为E”，其中，E”≤0.3*E”*(E’-0.4*E”)-0.4MPa,且橡胶混合物在60℃下损耗因子E”/E’的值，tanδ≤0.05。
本申请的一些实施例中，所述子口护胶与胎侧胶、橡胶增强件形成的分型面在轮胎径向上胎里方向上延伸。
本申请的一些实施例中，所述胎侧胶所用的橡胶胶料在硫化状态 下的邵氏硬度≤52HA。
附图说明
图1是本发明实施例的轮胎径向截面图；
图2是图1所示胎圈部位的放大图；
图3是图1所示胎侧及橡胶增强件放大图；
图4是图1所示本发明实施例的定位解释图；
图中，11、胎面橡胶层；12、胎冠增强件；21、胎侧胶；22、子口护胶；30、胎体增强件；41、三角胶；42、胎圈钢丝；50、橡胶增强件。
具体实施方式
下面结合附图和实施例，对本发明的具体实施方式作进一步详细描述。以下实施例用于说明本发明，但不用来限制本发明的范围。
在本申请的描述中，需要理解的是，术语“中心”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本申请的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固 定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
当使用术语“径向”时，表述涉及到轮胎的半径方向，如果更接近轮胎的旋转轴线时，则表述为“径向内侧”；当使用术语“周向”时，表述为轮胎滚动方向；当使用术语“胎里”时，表述为轮胎靠近轮辋一侧；
本申请中，使用到的术语“弹性模量E’”、“粘性模量E””和“tanδ”为本领域技术人员公知的动态性能；
下文是结合附图对本发明的优选的实施例说明。
根据本申请一些实施例中一种轮胎，如图1、图2、图3和图4所示，轮胎具有胎冠、两个胎侧、两个胎圈和两个橡胶增强件50，胎圈与轮辋相接触，用于将轮胎固定到轮辋上，每个胎圈包括胎圈钢丝42和三角胶41，胎圈钢丝42为圆环状，为轮胎提供基本形状基架，三角胶41包覆在胎圈钢丝42上，以将胎圈钢丝42与胎侧等轮胎橡胶元件连接在一起，两个胎侧分别从每个胎圈径向向外延伸至胎冠，每个胎侧包括胎侧胶21和子口护胶22，胎侧胶21包覆在三角胶41的外侧，子口护胶22一端连接在胎侧胶21的一端并形成整个胎侧的侧壁，子口护胶22起到对整个轮胎的支撑和保护作用，胎冠包括胎面橡胶层11和胎冠增强件12，胎面橡胶层11沿轮胎周向连接在两个胎侧外围上，胎冠增强件12沿轮胎周向覆盖在胎面橡胶层11上，每个橡胶增强件50置于胎体增强件30和胎侧之间，并沿胎圈周向成型，橡胶增强件50连接三角胶41、胎侧胶21、子口护胶22和胎体增强件30，提高整体轮胎连接的稳定性和可靠性，轮胎各组成部件交合位置的合理错位，使胎侧部位的应力有效分散，避免应力集中，减小胎侧部位的热量集中，依据本发明制作的轮胎可以提高轮胎的滚阻性能。
根据本申请一些实施例中一种轮胎，如图1所示，胎圈的径向高度小于或等于轮胎整体径向高度的15％，且胎圈的径向高度大于或等于轮胎整体径向高度的7％，橡胶增强件的径向高度小于或等于轮胎整体径向高度的25％，胎侧的径向高度小于或等于轮胎整体径向高度的20％。
图2是图1所示胎圈部位的放大图，三角胶41包覆在胎圈钢丝42外侧，胎侧胶21与三角胶41相连接，子口护胶22一端连接三角胶41并形成整个轮胎的胎侧壁，胎体增强件30沿胎圈周向成型，且胎体增强件30沿胎圈径向外沿，胎体增强件30一侧贴附连接在所述胎侧的内侧壁上，以增加胎侧及轮胎的韧性和稳定性，橡胶增强件50沿胎圈周向布置在胎体增强件30和胎侧之间，且橡胶增强件50沿胎圈周向成型，橡胶增强件50连接三角胶41、胎侧胶21、子口护胶22和胎体增强件30，。
图3是图1所示所示胎侧及橡胶增强件50放大图，橡胶增强件50贴附连接在胎侧上，连接胎侧胶21和子口护胶22，提高胎侧的稳定性和连接可靠性，子口护胶22与胎侧胶21、橡胶增强件50形成的分型面在轮胎径向上胎里方向上延伸。
其中，橡胶增强件50由橡胶混合物制成橡胶混合物制成，该橡胶混合物在60℃下具备的弹性模量E’和粘性模量E”，并满足：E”≤0.3*E”*(E’-0.4*E”)-0.4MPA,该橡胶混合物在60℃下橡胶混合物在60℃下损耗因子E”/E’的值小于或者等于0.05，即，TANΔ≤0.05。
本发明一种优选的实施例，胎侧胶21所用胶料具备在硫化状态下邵氏硬度不大于52HA的橡胶胶料。
为确保生产中精确定位，将橡胶增强件50与胎侧结合，直接通过胎侧挤出机生产形成。
图4是本发明实施例的定位解释图，轮胎径向高度为H，轮胎径向高度H定义为当轮胎安装在轮辋上径向最内点和胎冠的径向最外点之间的径向距离，三角胶41的径向高度为KA，橡胶增强件50的上部端点的径向高度为KB，子口护胶22上部端点的径向高度为KC，其中， 7％H≤KA≤15％H，KB≤25％H，KC≤20％H。
根据本申请的第一构思，在所述胎侧、胎体增强件和胎圈之间加设所述橡胶增强件，所述橡胶增强件布置在胎体增强件和胎侧之间，且所述橡胶增强件沿所述胎圈周向成型，所述橡胶增强件将所述三角胶、胎侧胶、子口护胶和胎体增强件连接在一起，增加其连接强度。
根据本申请的第二构思，所述橡胶增强件所述轮胎整体径向高度为H，所述三角胶的径向高度为KA，所述橡胶增强件的上部端点的径向高度为KB，所述子口护胶上部端点的径向高度为KC，其中，7％H≤KA≤15％H，KB≤25％H，KC≤20％H，通过对轮胎内部结构的合理设计在降低轮胎滚动阻力的同时，也兼顾轮胎的耐磨性、抓地力和安全性等问题。
根据本申请的第三构思，所述橡胶增强件由橡胶混合物制成，所述橡胶混合物在60℃下具备的弹性模量为E’所述橡胶混合物在60℃下具备的粘性模量为E”；其中，E”≤0.3*E”*(E’-0.4*E”)-0.4MPa,且橡胶混合物在60℃下损耗因子E”/E’的值，tanδ≤0.05，采用低生热橡胶材料以提高轮胎整体连接的稳定性，提高轮胎的滚阻性能。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明技术原理的前提下，还可以做出若干改进和替换，这些改进和替换也应视为本发明的保护范围。

Claims (8)

  1. 一种轮胎，其特征在于，包括：
    胎圈，所述胎圈设置有两个，且两个所述胎圈沿轮辋轴向对称安装在轮辋两端，所述胎圈用于将所述轮胎固定在轮辋上；
    胎侧，所述胎侧设置有两个，且两个所述胎侧分别外接于两个所述胎圈，且所述胎侧沿所述胎圈径向外沿；
    胎冠，所述胎冠两端分别连接两个所述胎侧，且所述胎冠沿着轮胎周向覆盖；
    胎体增强件，所述胎体增强件一端固定在所述胎圈上，所述胎体增强件沿所述胎圈周向成型，且所述胎体增强件沿所述胎圈径向外沿，所述胎体增强件一侧贴附连接在所述胎侧的内侧壁上；
    橡胶增强件，所述橡胶增强件周向布置在胎体增强件和胎侧之间，且所述橡胶增强件沿所述胎圈周向成型，所述橡胶增强件连接所述胎侧、胎圈和胎体增强件；
    其中，所述胎圈的径向高度在所述轮胎整体径向高度的15％以下，且所述胎圈的径向高度在所述轮胎整体径向高度的7％以上，所述橡胶增强件的径向高度在所述轮胎整体径向高度的25％以下，所述胎侧的径向高度在所述轮胎整体径向高度的20％以下。
  2. 如权利要求1所述的轮胎，其特征在于，所述胎圈包括
    胎圈钢丝，所述胎圈钢丝为圆环状，为所述轮胎提供基本形状基架；
    三角胶，所述三角胶包覆在所述胎圈钢丝上，以将所述胎圈钢丝与所述胎侧等轮胎橡胶元件连接在一起。
  3. 如权利要求2所述的轮胎，其特征在于，所述胎侧包括：
    胎侧胶，所述胎侧胶包覆在所述三角胶的外侧；
    子口护胶，所述子口护胶连接在所述胎侧胶的一端。
  4. 如权利要求1所述的轮胎，其特征在于，所述胎冠包括：
    胎面橡胶层，所述胎面橡胶层两端分别连接在两个所述胎侧外围上；
    胎冠增强件，胎冠增强件沿轮胎周向覆盖在所述胎面橡胶层上。
  5. 如权利要求3所述的轮胎，其特征在于，所述轮胎整体径向高度为H，所述三角胶的径向高度为KA，所述橡胶增强件的上部端点的径向高度为KB，所述子口护胶上部端点的径向高度为KC；
    其中，7％H≤KA≤15％H，KB≤25％H，KC≤20％H。
  6. 如权利要求1所述的轮胎，其特征在于，所述橡胶增强件由橡胶混合物制成，所述橡胶混合物在60℃下具备的弹性模量为E’所述橡胶混合物在60℃下具备的粘性模量为E”；
    其中，E”≤0.3*E”*(E’-0.4*E”)-0.4MPa,且橡胶混合物在60℃下损耗因子E”/E’的值，tanδ≤0.05。
  7. 如权利要求3所述的轮胎，其特征在于，所述子口护胶与胎侧胶、橡胶增强件形成的分型面在轮胎径向上胎里方向上延伸。
  8. 如权利要求3所述的轮胎，其特征在于，所述胎侧胶所用的橡胶胶料在硫化状态下的邵氏硬度≤52HA。
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007230515A (ja) * 2006-03-03 2007-09-13 Sumitomo Rubber Ind Ltd 重荷重用タイヤ
JP2008155658A (ja) * 2006-12-20 2008-07-10 Sumitomo Rubber Ind Ltd 自動二輪車用タイヤ
CN107848346A (zh) * 2015-09-10 2018-03-27 横滨橡胶株式会社 充气轮胎
US20190375249A1 (en) * 2016-12-15 2019-12-12 The Yokohama Rubber Co., Ltd. Pneumatic Tire
CN110758023A (zh) * 2018-07-23 2020-02-07 住友橡胶工业株式会社 充气轮胎
CN111845211A (zh) * 2020-06-02 2020-10-30 山东玲珑轮胎股份有限公司 一种轮胎
CN213007421U (zh) * 2020-06-02 2021-04-20 山东玲珑轮胎股份有限公司 一种轮胎

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6026878A (en) * 1997-05-29 2000-02-22 The Goodyear Tire & Rubber Company Inextensible high temperature resistant tire
CN203401879U (zh) * 2013-07-09 2014-01-22 广州市华南橡胶轮胎有限公司 一种具有胎圈结构改进的轮胎
US10518592B2 (en) * 2014-04-28 2019-12-31 Sumitomo Rubber Industries, Ltd. Pneumatic tire
CN108284712A (zh) * 2018-01-17 2018-07-17 山东玲珑轮胎股份有限公司 全钢载重子午线轮胎平行式双钢丝包布胎圈结构
CN110654180A (zh) * 2019-11-04 2020-01-07 山东玲珑轮胎股份有限公司 一种用于轻型载重车辆的胎圈及应用其制造的轮胎

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007230515A (ja) * 2006-03-03 2007-09-13 Sumitomo Rubber Ind Ltd 重荷重用タイヤ
JP2008155658A (ja) * 2006-12-20 2008-07-10 Sumitomo Rubber Ind Ltd 自動二輪車用タイヤ
CN107848346A (zh) * 2015-09-10 2018-03-27 横滨橡胶株式会社 充气轮胎
US20190375249A1 (en) * 2016-12-15 2019-12-12 The Yokohama Rubber Co., Ltd. Pneumatic Tire
CN110758023A (zh) * 2018-07-23 2020-02-07 住友橡胶工业株式会社 充气轮胎
CN111845211A (zh) * 2020-06-02 2020-10-30 山东玲珑轮胎股份有限公司 一种轮胎
CN213007421U (zh) * 2020-06-02 2021-04-20 山东玲珑轮胎股份有限公司 一种轮胎

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