CN104015565B - 含有具有覆线结构的加固件的非充气轮胎 - Google Patents
含有具有覆线结构的加固件的非充气轮胎 Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B9/00—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces
- B60B9/26—Wheels of high resiliency, e.g. with conical interacting pressure-surfaces comprising resilient spokes
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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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
-
- 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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/107—Non-inflatable or solid tyres characterised by means for increasing resiliency comprising lateral openings
-
- 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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
- B60C7/16—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form
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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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
- B60C7/16—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form
- B60C7/18—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form disposed radially relative to wheel axis
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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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
- B60C7/16—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form
- B60C7/20—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs of helical or flat coil form disposed circumferentially relative to wheel axis
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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
- B60C7/10—Non-inflatable or solid tyres characterised by means for increasing resiliency
- B60C7/14—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs
- B60C7/146—Non-inflatable or solid tyres characterised by means for increasing resiliency using springs extending substantially radially, e.g. like spokes
Abstract
本发明涉及一种含有具有覆线结构的加固件的非充气轮胎。该非充气轮胎包括:与地面接触的胎面部分;与轮轴连接的轮辋部分;构成与胎面部分内表面的分界的环状外箍部分;构成与轮辋部分的分界的环状内箍部分;布置在环状外箍部分和环状内箍部分之间的胎辐部分,该胎辐部分起支撑的作用;将胎辐部分中的各胎辐相互连接的连接辐;以及具有覆线结构的加固件。非充气轮胎能够有效地并充分地支撑车辆的重量。另外,该轮胎的性能在接触面积、形变量和滚动阻力方面是均衡的。
Description
技术领域
本发明一般地涉及车辆轮胎,并且特别地涉及非充气(non-pneumatic)轮胎,该非充气轮胎尽管不利用充气压力,却能提供与充气轮胎相似的操控性,并且能够在结构上支撑车辆的重量。
背景技术
一般地,车辆轮胎根据结构分为子午线轮胎、斜交轮胎、实心轮胎等。包括客车在内但除特殊用途的车辆外的大部分车辆使用子午线轮胎,即充气轮胎。但是,充气轮胎的结构复杂,并且其需要相对大量的生产工序,一般为8个步骤。作为生产工序数量增加导致的结果,有害物质的排放量也在增加。另外,由于轮胎的充气压力明确地影响着充气轮胎的操控性和安全性,需要频繁地检查,因而由于保养而给用户带来了不便。此外,当车辆行进时,会有外部物质会刺穿轮胎或施加撞击于轮胎而使轮胎损坏的可能性。
与此同时,与充气轮胎不同,非充气轮胎使得简化材料和生产工序成为可能,因而能够显著降低成产成本。另外,非充气轮胎具有改进的结构,而且能够通过能降低能耗和有害物质排放量的改进的工序来生产。最重要的是,非充气轮胎能够避免可能因为常规轮胎中充气压力不足而产生的问题。此外,非充气轮胎能够避免在充气轮胎中发生的驻波现象。并且,非充气轮胎能够显著地改善滚动阻力的特性。
非充气轮胎具有完全不同于充气轮胎的构造。与充气轮胎不同,因为非充气轮胎被配置为不利用压缩空气,不可能出现车辆行驶时因为充气压力不足或者爆胎而发生的事故。
这样的非充气轮胎已经存在并且通过常规技术生产。例如,很多年前就已经使用马车车轮或者自行车车轮了。最近,韩国专利公开第2006-0051513号中提出了一种技术,其中由具有多层钩环的多个支撑组件来支撑轮胎的荷载。另外,在韩国专利公开第2008-0038274号中提出了一种技术,其中非充气轮胎包括:由弹性材料制成的主体,作为胎面的周向延展的冠部,和冠部连接的延展侧壁。此外,韩国专利公开第2004-0027984号中提出了一种非充气轮胎,其包括:支撑轮胎载荷的环状胎箍,以及支撑轮胎和受张力的车轮或轮毂之间载荷的多个网状胎辐(spokes)。
在含有胎辐的非充气轮胎中,施加在轮胎上的荷载是由胎辐的张力支撑的。这样的话,在网状胎辐和与地面接触的胎面之间设置了加固件,以使其能够支撑车辆的重量并且发挥与充气轮胎的充气压力相同的作用。例如,在韩国专利公开第2012-7023435号中提出了一种具有连续环加固配件的结构支撑型非充气车轮。在该技术中介绍了一种螺旋缠绕的加固件(reinforcing member)。
但是,常规技术中螺旋缠绕的加固件支撑车辆重量的支撑力是有限的。这带来了很多问题,比如操控性、乘坐舒适性和网状胎辐部分耐久性的下降。
发明内容
据此,本发明切记以上在常规技术中出现的问题,并且本发明的一个目的是提供一种非充气轮胎,该非充气轮胎设置具有覆线(plate wire)结构的加固件,该加固件能够提供比常规的缠绕加固件大得多的荷载支撑力,因而能够使轮胎可靠地支撑车辆的重量,并且该非充气轮胎被配置为轮胎的接触压力和接触面积是保持一致的,因而增强了网状胎辐部分的耐久性,并改善了滚动阻力的特性。
为了实现以上目的,本发明提供了一种非充气轮胎,其包括:与地面接触的胎面部分;与轮轴连接的轮辋(rim)部分;构成与胎面部分内表面的分界的环状外箍(outerannular band)部分;构成与轮辋部分的分界的环状内箍(inner annular band)部分;设置在环状外箍部分和环状内箍部分之间的胎辐部分,该胎辐部分起支撑的作用;将胎辐部分中的各胎辐相互连接的连接辐(connector)。其中具有覆线结构的加固件沿着圆周方向被安放在胎面部分、环状外箍部分和环状内箍部分之中的任一部分中。
在非充气轮胎的一个实施方案中,加固件可安放在胎面部分、环状外箍部分和环状内箍部分之中的至少两个部分的每一个部分中。
在非充气轮胎的一个实施方案中,加固件能含有细带形的并且被螺旋形缠绕若干次的覆线。加固件可由多层结构构成,每一层具有被螺旋形缠绕若干次的覆线。
在非充气轮胎的一个实施方案中,加固件可由金属、钢、碳、芳纶和玻璃纤维中的任意一种或它们的混合物制成。
在非充气轮胎的一个实施方案中,加固件可配置为其高度大于其宽度或小于宽度,并且加固件的四个拐角的每一个都能根据预设的曲率半径进行圆角化。加固件可以具有空心结构。
在根据本发明的具有上述结构的非充气轮胎中,由于设置了具有覆线结构的加固件,该轮胎能够有效地和充分地承受住车辆的重量。另外,轮胎的性能在接触面积、形变量(displacement extent)和滚动阻力(resistance to rolling)方面是均衡的,因而能够提高网状胎辐部分的耐久性,增强车辆的乘坐舒适度和操控性。
附图说明
通过以下具体描述结合附图,能够更清楚地理解本发明的以上以及其它目的、特征和优点,其中:
图1A是示出本发明一个实施方案的非充气轮胎的关键部分的视图;
图1B是通过FEA(有限要素分析)示出本发明实施方案的非充气轮胎的一部分的视图;
图1C是图1A中非充气轮胎的概念立体视图;
图1D是示出本发明实施方案的具有覆线结构的加固件的概念视图;
图1E是示出本发明实施方案的加固件的规格的概念视图;
图2是显示本发明实施方案的非充气轮胎的照片;并且
图3是示出本发明实施方案的非充气轮胎的用于评估静态特性的接触轮廓的视图。
具体实施方式
在下文中,将结合附图具体描述一个优选实施方案。在本发明的描述中,忽略对与本发明相关的公知技术的一般功能和构成的解释。
本发明涉及含有具有覆线结构的加固件的非充气轮胎,该轮胎能够更有效地承受车辆的重量,并且能够提高网状胎辐的耐久性、乘坐舒适度和操控性。
图1A是示出本发明一个实施方案的非充气轮胎的关键部分的视图。如图1A所示,本发明的非充气轮胎包括:预设宽度的胎面部分6,其与地面接触,并与能量的传递和操控性相关;轮辋部分5,与车辆轮毂相适合从而将轮胎连接到其上;环状外箍部分1,构成与胎面部分6内表面的分界并支撑胎面部分6;环状内箍部分3,构成与轮辋部分5的分界;布置在环状外箍部分1和环状内箍部分3之间的胎辐部分4,该胎辐部分4起支撑的作用;以及将胎辐部分4中的各胎辐相互连接的连接辐2。
图1B示出了图1A中非充气轮胎的一部分的视图。在此实施方案中,非充气轮胎是由24个图1B所示出的部分重复设置而构成的。
图1C是非充气轮胎的概念立体视图,其示出了在该实施方案中具有覆线结构的加固件7被安放在胎面部分6中。如图1C所示,本发明的非充气轮胎的特征为具有覆线结构的加固件7沿着胎面部分6的圆周方向设置在胎面部分6中。在这里,术语“在胎面部分中”是指胎面部分6的外表面和内表面之间的部分。术语“圆周方向”是指轮胎移动的方向(图1C是展示去掉外表面后的胎面部分的概念视图)。
在根据本发明的实施例的非充气轮胎中,加固件7可以沿着圆周方向安放在环状外箍部分或环状内箍部分中。另外,加固件7可以被安放在胎面部分、环状外箍部分和环状内箍部分之中的至少两个部分的每一个部分中。
图1D是示出本发明实施方案的加固件7的概念图。图1E是示出了加固件的规格的概念视图(垂直于圆周方向的剖面视图)。
如图1D和1E所示,具有细带形状的覆线A被螺旋形缠绕若干次以构成加固件7。加固件7可以由若干层构成,每一层具有被螺旋形缠绕若干次的覆线A。
优选地,具有细带形状的覆线W的宽度为1mm至100mm,并且其厚度(或高度)为1mm至20mm。加固件7由金属、钢、碳、芳纶和玻璃纤维中的任意一种或它们的混合物制成。
在本发明的实施方案的非充气轮胎中,加固件7可以被配置为其高度h大于宽度w或小于宽度w。另外,加固件7的四个拐角的每一个都可以根据预设的曲率半径r进行圆角化。此外,加固件7可以具有空心结构。
优选地,加固件7的宽度w为轮胎宽度的0.1%至95%。
图2示出了本发明的非充气轮胎的图像。这张图片展示了:在不利用作为充气轮胎性能的核心因素的充气压力的情况下,非充气轮胎能够发挥轮胎的作用。
图3是示出本发明实施方案的非充气轮胎的用于评估非充气轮胎的静态特性的接触轮廓的视图。如图3所示,在根据本发明的非充气轮胎中,各胎辐之间不互相干涉,并且非充气轮胎的接触轮廓与典型充气轮胎的轮廓相似。
以下的【表1】展示了具有不同加固结构的轮胎的静态特性的性能评估结果。如【表1】所示,可以看出,在接触面积、形变量和与燃油效率(fuel efficiency)相关的滚动阻力上,设置了具有覆线结构的加固件的轮胎的性能更加出众。
【表1】
如上所描述的,根据本发明的非充气轮胎设置具有覆线结构的加固件。因此,该轮胎能够有效地和充分地支撑车辆的重量。另外,该轮胎的性能在接触面积、形变量和滚动阻力方面是均衡的,因而能够提高网状胎辐部分的耐久性,增强车辆的乘坐舒适度和操控性。
尽管公开的本发明的优选实施方案用于解释说明,本领域技术人员可以理解:在不背离其权利要求书中公开的发明的范围和核心的前提下,可以对其进行各类修改、添加和替代。
Claims (9)
1.一种非充气轮胎,含有:
与地面接触的胎面部分;
与轮轴连接的轮辋部分;
构成与胎面部分内表面的分界的环状外箍部分;
构成与轮辋部分的分界的环状内箍部分;
布置在环状外箍部分和环状内箍部分之间的胎辐部分,该胎辐部分起支撑的作用;
将胎辐部分中的各胎辐相互连接的连接辐;以及
具有覆线结构的加固件;
其中加固件含有被螺旋形缠绕若干次的覆线,该覆线具有细带形状。
2.根据权利要求1所述的非充气轮胎,其中加固件沿着胎面部分的圆周方向安放在胎面部分中。
3.根据权利要求1所述的非充气轮胎,其中加固件沿着环状外箍部分的圆周方向安放在环状外箍部分中。
4.根据权利要求1所述的非充气轮胎,其中加固件沿着环状内箍部分的圆周方向安放在环状内箍部分中。
5.根据权利要求1至4中任一项所述的非充气轮胎,其中加固件具有多层结构,每一层具有被螺旋形缠绕若干次的覆线,该覆线具有细带形状。
6.根据权利要求1至4中任一项所述的非充气轮胎,其中加固件由金属、碳、芳纶和玻璃纤维中的任意一种或金属、碳、芳纶和玻璃纤维的混合物制成。
7.根据权利要求6所述的非充气轮胎,其中所述金属为钢。
8.根据权利要求1至4中任一项所述的非充气轮胎,其中加固件被配置为其高度大于其宽度或小于其宽度,并且加固件四个拐角的每一个都根据预设的曲率半径进行圆角化。
9.根据权利要求1至4中任一项所述的非充气轮胎,其中加固件具有空心结构。
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EP2772367A1 (en) | 2014-09-03 |
US20140238561A1 (en) | 2014-08-28 |
JP2014169066A (ja) | 2014-09-18 |
US9333799B2 (en) | 2016-05-10 |
CN104015565A (zh) | 2014-09-03 |
KR101356326B1 (ko) | 2014-01-29 |
EP2772367B1 (en) | 2016-09-07 |
JP6141724B2 (ja) | 2017-06-07 |
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