CN108349303A - 车轮轴承单元 - Google Patents
车轮轴承单元 Download PDFInfo
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- CN108349303A CN108349303A CN201680062039.3A CN201680062039A CN108349303A CN 108349303 A CN108349303 A CN 108349303A CN 201680062039 A CN201680062039 A CN 201680062039A CN 108349303 A CN108349303 A CN 108349303A
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- 238000005096 rolling process Methods 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 5
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0073—Hubs characterised by sealing means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
- F16C19/186—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7869—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward
- F16C33/7873—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section
- F16C33/7876—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members mounted with a cylindrical portion to the inner surface of the outer race and having a radial portion extending inward with a single sealing ring of generally L-shaped cross-section with sealing lips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/02—Relieving load on bearings using mechanical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2380/00—Bearings
- B60B2380/10—Type
- B60B2380/12—Ball bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
- F16C33/805—Labyrinth sealings in addition to other sealings, e.g. dirt guards to protect sealings with sealing lips
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
本发明涉及一种车轮轴承单元,所述车轮轴承单元具有外部的环形元件(2)和内部的环形元件(3),在所述外部的环形元件和内部的环形元件之间设置有至少两个滚动体排(5,6),其中内部的环形元件(3)具有径向凸缘(4),所述径向凸缘能够固定在车轴体上或车轮上,并且在径向凸缘(4)侧,在外部的环形元件(2)和内部的环形元件(3)之间设有密封件(8),其中密封件(8)具有承载元件(9),其中外部的环形元件(2)的朝向径向凸缘(4)的端面(15)具有至少一个突出部(16)。
Description
技术领域
本发明涉及一种尤其用于机动车的车轮轴承单元。
背景技术
车轮轴承由外环和车轮轴承毂和在其之间设置的滚动体构成。车轮轴承毂具有指向径向外部的车轮凸缘,在所述车轮凸缘上例如能够固定车轮。在特定的行驶状况中,例如在行驶通过坑洼或者行驶到路边石上时,轴向的或径向的撞击作用于车轮凸缘或车轮轴承毂。所述撞击造成,车轮凸缘/车轮轴承毂朝向车轮轴承单元的外环的方向运动并且撞击到其上。在此出现的力随后被导入到滚动轴承中。
从EP 2 184 181 B1中已知一种车轮轴承单元,所述车轮轴承单元具有车轮毂,所述车轮毂带有车轮凸缘。在外环和车轮毂之间设置有滚动轴承。在所描述的车轮轴承单元中,通过特定的间隙宽度避免滚动轴承由于侧向撞击而损坏。
发明内容
本发明基于如下目的,提供一种车轮轴承单元,所述车轮轴承单元在撞击作用于车轮轴承单元时减少滚动轴承的损坏,并且此外确保轴承的可靠的密封。
根据本发明,所述目的通过一种车轮轴承单元来实现,所述车轮轴承单元具有外部的环形元件和内部的环形元件,在所述外部的环形元件和内部的环形元件之间设置有至少两个滚动体排,其中内部的环形元件具有径向凸缘,所述径向凸缘能够固定在车轴体上或车轮上,并且在径向凸缘侧,在外部的环形元件和内部的环形元件之间设有密封件,其中密封件具有承载元件,其中外部的环形元件的朝向径向凸缘的端面具有至少一个突出部。
本发明基于如下知识,在特定的行驶状况下,例如在行驶通过坑洼或行驶到路边石上时,轴向的和径向的撞击作用于车轮轴承单元。所述撞击造成,内部的环形元件或径向凸缘接触外部的环形元件。在根据本发明的车轮轴承单元中,外部的环形元件的朝向径向凸缘的端面具有至少一个突出部。所述突出部构成为,使得在内部的环形元件或径向凸缘被轴向或径向撞击时,所述突出部吸收并且导出由此作用的力,以便避免滚动轴承和/或滚道的损坏。与现有技术不同的是地,这种构造意味着更高的生产成本,然而所述构造总体上引起车轮轴承单元的使用寿命的提高。
外部的环形元件的端面能够具有一个或多个突出部,所述突出部在环周上分布地设置。如果外部的环形元件同样具有径向凸缘,所述径向凸缘带有孔,那么一个突出部或多个突出部能够根据孔定向地设置。此外,本发明能够涉及一种车轮轴承单元,其具有一排或多排呈X形或O形布置的滚动体。滚动体在此能够具有相同或不同的直径和/或构成不同的滚动轴承类型。
优选地,至少一个突出部在端面上构成为环段。这表示,至少一个突出部不沿环周方向在端面的整个环形面上延伸,而是沿环周方向仅在端面的子部段上延伸。如果设有多个突出部,那么这些突出部沿环周方向分布地设置在端面上。这具有如下优点:根据车轮轴承单元的实施方式、存在的结构空间和要求能够设有一个或多个所述突出部。
根据本发明的一个设计方案,密封件的承载元件的部段构成突出部。在此,承载元件构成为并且定位成,使得所述承载元件作为至少一个突出部沿着外部的环形元件的端面延伸,或者作为区段在外部的环形元件的端面上延伸。承载元件优选能够构成为板件,然而也能够由其他金属或非金属的材料构成。这种构成方案具有如下优点:原有的密封件的承载板构成预密封件,所述预密封件如迷宫式密封件那样设置。这引起:能够减少或防止污物,如例如雨水或灰尘,从外部侵入到轴承中或侵入至其他密封件。所述构造总体上引起改进的密封效果,进而引起车轮轴承单元的使用寿命的提高。
优选地,承载元件的部段连接板形地构成。承载元件的部段可理解成如下部段,所述部段构成至少一个突出部,所述部段也视作为第一部段。例如,连接板形状在横截面中观察能够理解成L形状。有利地,承载元件能够具有第二部段,所述第二部段环形地在外部的环形元件的整个内环周上延伸,并且安置在所述内环周上,并且其中第一部段连接于第二部段地以连接板的形式区段式地径向地沿着端面延伸。本发明不仅限于一个连接板,而是也能够设有多个连接板。
优选地,承载元件力配合地、形状配合地或材料配合地与外部的环形元件连接。由此确保,承载元件进而至少一个突出部在使用寿命期间保持在规定的位置中。连接类型取决于承载元件的设计方案,即例如材料、形状等。
根据本发明的一个设计方案,承载元件能够具有至少一个密封唇。对此,间接地或直接地连接于承载板的第二部段的其他部段能够具有至少一个密封唇。至少一个密封唇优选由弹性体材料制造,并且硫化连接到承载板上。至少一个密封唇在此滑动地、直接或间接地贴靠在内部的环形元件或其径向凸缘上。为了改进的密封效果,设有多个密封唇,所述密封唇能够轴向地和径向地构成。
在本发明的一个替选的设计方案中,至少一个突出部具有覆层。覆层能够用于降低出现的噪声。
附图说明
下面,根据三个附图示出本发明的两个实施例。附图示出:
图1示出贯穿根据本发明的车轮轴承单元的部分纵剖图,
图2示出根据第一实施方式的在图1中示出的车轮轴承单元的外部的环形元件的示图,并且
图3示出根据第二实施方式的在图1中示出的车轮轴承单元的外部的环形元件的示图。
具体实施方式
图1示出根据一个实施方式的车轮轴承单元1,所述车轮轴承单元与未示出的车辆车轮相关联。车轮轴承单元1包括外部的环形元件2和内部的环形元件3。内部的环形元件3具有径向凸缘4,所述径向凸缘能够固定在未进一步示出的车轮或车轴体上。此外,车轮轴承装置具有两个轴向间隔开的滚动体排5、6,所述滚动体排的滚动体在外侧在外部的环形元件2中被引导。在内侧,滚动体排5的滚动体直接在内部的环形元件3的滚道中被引导,并且滚动体排6的滚动体在内环7中被引导,所述内环固定在内部的环形元件3上。
在外部的环形元件2和内部的环形元件3之间设有密封件8。密封件8具有承载元件9。如此外可见的,承载元件9具有部段10,在所述部段上在该实施例中设有三个密封唇11。所述密封唇11在此贴靠在内部的环形元件3上或其径向凸缘4上。连接于部段10,第二部段12延伸经过弯曲的区域,并且承载元件的第一部段13连接于所述第二部段。第二部段12形状配合地、力配合地或材料配合地与外部的环形元件2连接,即在内环周14上连接。
为了详细阐述第一实施方式,下面参考图2。外部的环形元件2的朝向径向凸缘4的端面15具有至少一个突出部16。如在图2中可见的,端面15具有突出部16,所述突出部构成为环段。突出部15在此借助于密封件8的承载元件9的第一部段13构成。
承载元件9在此由金属或非金属的材料构成。承载元件9的第一部段13在此具有连接板形状,即在横截面中为L形状。这表示,第一部段13径向向外地从第二部段12延伸。承载元件9的第二部段12在此环形地沿着外部的环形元件2的内环周14延伸。如从图2中进一步可见的,突出部16区段式地在端面15上延伸,并且不在端面15的整个环周上延伸。
此外,在该实施例中,设有唯一的突出部16。
在特定的行驶状况中,例如在行驶经过坑洼或行驶到路边石的情况下,轴向的和/或径向的撞击能够作用到车轮轴承单元上。所述撞击造成,内部的环形元件3或径向凸缘4接触外部的环形元件2。在根据本发明的车轮轴承单元1中设置的突出部16构成为,使得在内部的环形元件3或径向凸缘4被轴向的或径向的撞击时,所述突出部吸收和导出由此作用的力,以便避免滚动轴承和/或滚道的损坏。在轴向或径向撞击的情况下,在此仅突出部16被接触。但本发明不限制于唯一的突出部16。
图3示出本发明的另一实施方式。为了简化描述,相同的部分用与在前面的图1和2中相同的附图标记表示。描述仅限于与图1和图2的区别特征。
图3示出根据第二实施方式的在图1中示出的车轮轴承单元1的外部的环形元件2的示图。在该实施方式中,与图2不同的是,在端面15上设有三个在端面15的环周上分布地设置的突出部16。所述突出部16如已在图1和2中描述的那样借助于承载元件9的第一部段13构成。
如从图3中可见的,外部的环形元件2同样具有径向凸缘17,所述径向凸缘带有孔18。突出部16在此相应地在孔18之间定向地设置。
附图标记列表:
1 车轮轴承单元
2 外部的环形元件
3 内部的环形元件
4 径向凸缘
5 滚动体排
6 滚动体排
7 内环
8 密封件
9 承载元件
10 承载元件的部段
11 密封唇
12 承载元件的第二部段
13 承载元件的第一部段
14 内环周
15 端面
16 突出部
17 径向凸缘
18 孔
Claims (7)
1.一种车轮轴承单元,所述车轮轴承单元具有外部的环形元件(2)和内部的环形元件(3),在所述外部的环形元件和所述内部的环形元件之间设置有至少两个滚动体排(5,6),其中所述内部的环形元件(3)具有径向凸缘(4),所述径向凸缘能够固定在车轴体上或车轮上,并且在所述径向凸缘(4)侧,在所述外部的环形元件(2)和所述内部的环形元件(3)之间设有密封件(8),其中所述密封件(8)具有承载元件(9),
其特征在于,
所述外部的环形元件(2)的朝向所述径向凸缘(4)的端面(15)具有至少一个突出部(16)。
2.根据权利要求1所述的车轮轴承单元,
其中至少一个所述突出部(16)在端面(8)上构成为环段。
3.根据上述权利要求中任一项所述的车轮轴承单元,
其中所述密封件(8)的所述承载元件(9)的部段构成所述突出部(16)。
4.根据权利要求3所述的车轮轴承单元,
其中所述承载元件(9)的所述部段(10)连接板形地构成。
5.根据上述权利要求中任一项所述的车轮轴承单元,
其中所述承载元件(9)力配合地、形状配合地或材料配合地与所述外部的环形元件(2)连接。
6.根据上述权利要求中任一项所述的车轮轴承单元,
其中所述承载元件(9)具有至少一个密封唇(11)。
7.根据上述权利要求中任一项所述的车轮轴承单元,
其中至少一个所述突出部(16)具有覆层。
Applications Claiming Priority (5)
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DE102015014059 | 2015-11-02 | ||
DE102015014059.0 | 2015-11-02 | ||
DE102016200773.4 | 2016-01-21 | ||
DE102016200773 | 2016-01-21 | ||
PCT/DE2016/200411 WO2017076402A1 (de) | 2015-11-02 | 2016-09-02 | Radlagereinheit |
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CN108349303A true CN108349303A (zh) | 2018-07-31 |
CN108349303B CN108349303B (zh) | 2021-11-02 |
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CN201680062039.3A Active CN108349303B (zh) | 2015-11-02 | 2016-09-02 | 车轮轴承单元 |
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US (1) | US20180304680A1 (zh) |
KR (1) | KR20180075529A (zh) |
CN (1) | CN108349303B (zh) |
DE (1) | DE102016218446A1 (zh) |
WO (1) | WO2017076402A1 (zh) |
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Also Published As
Publication number | Publication date |
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DE102016218446A1 (de) | 2017-05-04 |
WO2017076402A1 (de) | 2017-05-11 |
KR20180075529A (ko) | 2018-07-04 |
CN108349303B (zh) | 2021-11-02 |
US20180304680A1 (en) | 2018-10-25 |
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