WO2007081074A1 - Ensemble disque et roulement de roue pour roue motrice - Google Patents

Ensemble disque et roulement de roue pour roue motrice Download PDF

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Publication number
WO2007081074A1
WO2007081074A1 PCT/KR2006/002137 KR2006002137W WO2007081074A1 WO 2007081074 A1 WO2007081074 A1 WO 2007081074A1 KR 2006002137 W KR2006002137 W KR 2006002137W WO 2007081074 A1 WO2007081074 A1 WO 2007081074A1
Authority
WO
WIPO (PCT)
Prior art keywords
bearing assembly
wheel bearing
inner ring
disc
spline
Prior art date
Application number
PCT/KR2006/002137
Other languages
English (en)
Inventor
Jae Myoung Song
Original Assignee
Iljin Global Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Iljin Global Co., Ltd. filed Critical Iljin Global Co., Ltd.
Publication of WO2007081074A1 publication Critical patent/WO2007081074A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
    • F28D3/04—Distributing arrangements
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D65/12—Discs; Drums for disc brakes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B19/00—Machines, plants or systems, using evaporation of a refrigerant but without recovery of the vapour
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D3/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits
    • F28D3/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium flows in a continuous film, or trickles freely, over the conduits with tubular conduits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D5/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation
    • F28D5/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, using the cooling effect of natural or forced evaporation in which the evaporating medium flows in a continuous film or trickles freely over the conduits
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D65/00—Parts or details
    • F16D65/02—Braking members; Mounting thereof
    • F16D2065/13—Parts or details of discs or drums
    • F16D2065/134—Connection
    • F16D2065/1384—Connection to wheel hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
    • F24F5/0035—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning using evaporation

Definitions

  • the present invention relates to a disc and wheel bearing assembly of driving wheel, and more particularly, to a disc and wheel bearing assembly of driving wheel in which a hub flange is removed and a wheel bearing is integrated with a brake disc.
  • an axle of a vehicle is a supporting member for the weight of the vehicle through wheels attached thereto.
  • axle's There are two types of axle's, a driven wheel axle, transferring a driving force generated at an engine and a non-driven wheel axle, which does not transferring the driving force.
  • the axle of the vehicle is divided into an integral, axle combining the left and right wheels with one axle or a separate type axle enabling the left and the right wheels to work respectively and separately.
  • the driven wheel axle serves to transfer a driving force transmitted through a transmission and a differential gear from an engine to the wheels. Additionally, the driven wheel axle supports the forces, acting in all directions, as a result of the road surface.
  • a front axle of a front-wheel driven vehicle and a rear axle of a rear- wheel driven vehicle correspond thereto.
  • the axle is connected to a wheel through a hub, and an end portion of the hub is covered to prevent dust or foreign materials from ingressing, and to prevent an internal lubrication oil from leaking.
  • a vehicle is configured to stop by oil pressure forcing brake pads to close onto both sides of a rotating brake disc that is connected to the wheels.
  • the brake assembly includes a brake disc which is made of special cast iron, connected to and rotating with a hub, a caliper, made of a special cast iron and shaped into a saddle, a brake cylinder or brake cylinders which are combined in the left and right sides of the caliper, a piston, which generates a driving force for braking and a pad, which is mounted to the piston and used to create friction with the brake disc.
  • a conventional axle assembly includes a hub assembly 10, a brake disc 20, a wheel bearing assembly 30, and a knuckle 40.
  • the hub assembly 10 includes a hub 12 and a hub bolt 14.
  • the wheel bearing assembly 30 includes a rolling elements 32, a retainer 35, an inner ring 34, and an outer ring 36. Also, the wheel bearing assembly 30 and the knuckle 40 are engaged by a bolt 38.
  • the hub assembly 10 consists of a hub flange 16 engaged with the brake disc 20 and a wheel (not shown) attached to the outside of the vehicle by the hub bolt 14.
  • the hub assembly is coupled with the wheel bearing assembly 30 to the inside of the vehicle, thereby being connected with other suspension parts (not shown), such as the knuckle 40 and a carrier (not shown).
  • the wheels, the brake disc 20, and the hub 12 While driving of the vehicle, the wheels, the brake disc 20, and the hub 12 rotate. Also, the rolling elements 32, mounted to the fixed knuckle 40 or the carrier , serve to support the load of the vehicle and make rotation smooth.
  • One objective of the present invention is to provide a disc and wheel bearing assembly of a driven wheel provided in which a hub flange of a conventional axle assembly is removed and a brake disc or a brake drum is integrated with a wheel bearing.
  • Another objective of the present invention is to provide a disc and wheel bearing assembly of a driven wheel which simplifies the structure of an axle assembly, by removing a hub function of a conventional axle assembly, giving a portion of the function to an inner ring shaft portion and a disc and integrating the disc and a bearing, thereby reduce weight and cost.
  • a disc and wheel bearing assembly of a driven wheel including: a hub type brake disc made of a cast iron formed with a spline in its joint portion, a wheel bearing assembly including rolling elements, at least one inner ring installed in the rolling elements, a bearing inner ring shaft having a rolling shoulder portion on its one end and a plurality of splines formed on its another end, and an outer ring.
  • the spline of the hub type brake disc is engaged with one of the splines on the bearing inner ring shaft.
  • a disc and wheel bearing assembly of a driven wheel according to the present invention removes a hub and integrates a wheel bearing and a brake disc. Accordingly, its structure is simplified and its weight and a number of parts are also reduced. In addition, since the assembly process is simplified, an assembly operation time can be decreased and a manufacturing cost can be reduced. Also, a disc and wheel bearing assembly of a driven wheel according to the present invention may enhance the degrees of freedom of a wheel bearing assembly. Accordingly, its durability life span may be increased. In addition, since a judder phenomenon of an axle assembly may easily occur, a brake capacity may be secured.
  • FIG. 1 is a cross-sectional view of an assembly of a brake disc and a wheel bearing according to conventional art
  • FIG. 2 is a cross-sectional view of a disc and wheel bearing assembly of a driven wheel according to an embodiment of the present invention
  • FIG. 3 is an exploded cross-sectional view of the disc and wheel bearing assembly shown in FIG. 2;
  • FIG. 4A is a cross-sectional view illustrating an A-A portion of FIG. 2;
  • FIG. 4B is a cross-sectional view illustrating a B-B portion of FIG. 2.
  • a disc and wheel bearing assembly of a driven wheel comprises : a hub type brake disc integrally formed with a hub and a brake disc made of a cast iron; a wheel bearing assembly including a rolling elements, at least one inner ring installed in the rolling elements, a bearing inner ring shaft having a rolling shoulder portion on its one end and a spline portion on its other end, and an outer ring; a knuckle connected to the wheel bearing assembly; and a driving shaft having a spline portion with a male thread formed on its ends, wherein the male thread of the driving shaft is combined with the wheel bearing and the hub type brake disc by a nut, thereby, an axial force is given to the wheel bearing assembly so as to provide a preload on the wheel bearing assembly.
  • the hub type brake disc includes a cover portion 57 provided on the outside of the joint portion to prevent ingressing of foreign materials; a protrusion portion 53 provided opposite of the cover portion 57 to facilitate disassembly work; and a joint portion 54 making a surface contact with the inner race of the wheel bearing assembly and configured and formed to be any one of the following: a spline, a non-circle, or polygon.
  • the bearing inner race shaft is configured and constructed by inserting the inner ring into its one end.
  • FIG. 2 is a cross-sectional view of a disc and wheel bearing assembly of a driven wheel according to an embodiment of the present invention
  • FIG. 3 is an exploded cross-sectional view of the disc and wheel bearing assembly shown in FIG. 2.
  • the disc and wheel bearing assembly of the driven wheel according to the present invention includes a hub type brake disc 50, a knuckle 70, a wheel bearing assembly 90 and a bolt 98.
  • the hub type brake disc 50 is made of cast iron.
  • a cover portion 57 is provided on the outside of the joint portion 54 to prevent ingressing of foreign materials.
  • a protrusion portion 53 is provided to be nearly opposite to the cover portion 57 to facilitate a disassembly work.
  • the joint portion 54 is formed in the inner portion of the hub type brake disc 50. One end of the joint portion 54 is configured and constructed to make a surface contact with the inner ring 94 of the wheel bearing assembly 90. A spline portion 56 is configured and formed on the other end of the joint portion 54. The spline portion 56 of the joint portion 54 and the first spline portion 60 of the wheel bearing assembly 90 are forcibly inserted and engaged by pressing each other together.
  • reference numeral 52 is a hub bolt.
  • the joint portion 54 is configured and constructed by forming a spline portion 56, but the present invention is not limited thereto.
  • the present invention may be applicable to various shapes, such as a non-circle and a polygon.
  • the wheel bearing assembly 90 in which a conventional hub is removed includes rolling elements 92, an inner ring 94, a bearing inner ring shaft 95 and an outer ring 96. Also, the wheel bearing assembly 90 and the knuckle 70 are securely fixed and combined with each other by a bolt 98. A shoulder portion 99 is formed on one end of the bearing inner ring shaft 95.
  • the spline portion is formed on the other end of the bearing inner ring shaft 95 to be opposite to the shoulder portion 99.
  • the shoulder portion 99 includes rolling portions 97 to support the rolling elements 92.
  • the spline portion formed on the other end of the bearing inner ring shaft 95 includes the first spline portion 60 and a second spline portion 62. As illustrated in FIG. 4B, the first spline portion 60 and the second spline portion 62 are configured and provided in an upper portion and a lower portion of the wheel bearing assembly 90, respectively.
  • the first spline portion 60 is shorter than the second spline portion62. Also, as illustrated in FIG. 3, the bearing inner ring shaft 95 is formed by inserting the inner ring 94 into its end.
  • a spline portion 102 is formed on one end of the driving shaft 100 and a male thread 104 is spaced apart at a predetermined distance from the spline portion 102.
  • a portion of the hub type brake disc 50 which mutually pre-loads the wheel bearing inner ring shaft 95 is processed to be in a shape of a spline 56 or a non-circle, so as to prevent a rotation or slip with the wheel bearing assembly 90 in an axial direction.
  • the hub type brake disc 50 may be constructed to pre-load at the rolling elements 92 by processing the mutually contacting portion to be in the shape of a spline 60 or noncircular, and adding an axial force to the rolling elements 92. Through this, the hub type brake disc 50 and the inner ring shaft 95 of the wheel bearing assembly 90 are combined with each other and restrain each other in a rotation direction and axial direction.
  • the disc and wheel bearing assembly of the driven wheel constructed as above combine the knuckle 70 and the wheel bearing assembly 90 using the bolt 98.
  • the first spline portion 60 of the wheel bearing assembly 90 is forcibly inserted into the spline 56 of the hub type brake disc 50.
  • the spline 102 of the driving shaft 100 is forcibly or loosely inserted into the second spline portion 62 of the wheel bearing assembly 90.
  • a washer 110 is inserted onto the male thread 104 of the driving shaft 100.
  • a nut 120 is inserted onto the male thread 104 of the driving shaft 100.
  • an axial force is applied to the wheel bearing assembly 90 by using the nut 120, pre-load may be provided to the wheel bearing assembly 90.
  • the present invention may be applicable to a disc and wheel bearing assembly of a driven wheel in which a wheel bearing and a disc are integrated.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Braking Arrangements (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

L'invention concerne un ensemble disque et roulement de roue pour roue motrice, qui comprend: un disque de frein sur moyeu qui comporte un moyeu et un disque de frein en fonte formés d'une seule pièce; un ensemble roulement de roue comprenant des éléments de roulement, au moins un chemin de roulement intérieur étant placé à l'intérieur des éléments roulants; au moins une bague intérieure placée dans les éléments roulants; un arbre de bague intérieure de roulement comportant une partie épaulement de roulement, à une extrémité, et une partie cannelure à l'autre extrémité, et une bague extérieure; un joint d'articulation relié à l'ensemble roulement de roue; et un arbre d'entraînement comportant une partie axe aux extrémités de laquelle est formé un filetage mâle, le filetage mâle de l'arbre d'entraînement étant combiné à l'ensemble disque et roulement de roue assemblé au joint d'articulation par un écrou, et produisant ainsi une force axiale sur l'ensemble roulement de roue afin de précharger celui-ci. Cet ensemble roulement à disque et à roue de roue motriceensemble disque et roulement de roue pour roue motrice permet de simplifier la structure d'un ensemble essieu, ce qui permet de réduire le poids et le coût de celui-ci grâce à la suppression de la fonction de moyeu d'un ensemble essieu classique, au report d'une partie de cette fonction sur la partie arbre de bague intérieure et sur le disque, et à la formation en une seule pièce du disque et du roulement.
PCT/KR2006/002137 2006-01-13 2006-06-02 Ensemble disque et roulement de roue pour roue motrice WO2007081074A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2006-0004108 2006-01-13
KR1020060004108A KR100742027B1 (ko) 2006-01-13 2006-01-13 허브가 일체화된 브레이크 디스크의 차축 결합 구조

Publications (1)

Publication Number Publication Date
WO2007081074A1 true WO2007081074A1 (fr) 2007-07-19

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Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/KR2006/002137 WO2007081074A1 (fr) 2006-01-13 2006-06-02 Ensemble disque et roulement de roue pour roue motrice
PCT/KR2006/002136 WO2007081073A1 (fr) 2006-01-13 2006-06-02 Ensemble disque et roulement de roue pour roue non motrice

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/KR2006/002136 WO2007081073A1 (fr) 2006-01-13 2006-06-02 Ensemble disque et roulement de roue pour roue non motrice

Country Status (2)

Country Link
KR (1) KR100742027B1 (fr)
WO (2) WO2007081074A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140239706A1 (en) * 2007-03-22 2014-08-28 Ntn Corporation Bearing device for a wheel
WO2016082633A1 (fr) * 2014-11-24 2016-06-02 舍弗勒技术股份两合公司 Ensemble d'entraînement de moyeu de roue
US20200316992A1 (en) * 2019-04-04 2020-10-08 Hirschvogel Umformtechnik Gmbh Arrangement of a bearing component on a chassis component, bearing component and chassis component for such an arrangement and method of manufacturing them

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101249155B1 (ko) * 2010-12-03 2013-03-29 현대위아 주식회사 차량용 액슬 어셈블리
CN104708992B (zh) * 2015-02-09 2016-10-05 宁波郎泰机械有限公司 一种汽车轮毂及其制备方法
KR102074495B1 (ko) * 2018-04-03 2020-02-06 명화공업주식회사 차량용 너클 어셈블리 및 그 제조 방법

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2003176841A (ja) * 2001-10-10 2003-06-27 Skf Ind Spa 自動車用車輪用ハブ・ブレーキロータ部品
US6666303B2 (en) * 2000-07-04 2003-12-23 Ntn Corporation Wheel bearing assembly

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4026298B2 (ja) * 2000-04-20 2007-12-26 株式会社ジェイテクト 車両用ハブユニット
US6371252B1 (en) * 2001-08-30 2002-04-16 Shimano Inc. Bicycle disc brake hub
JP2003159907A (ja) * 2001-11-27 2003-06-03 Toyoda Mach Works Ltd ハブユニット
KR20060095124A (ko) * 2005-02-28 2006-08-31 주식회사 일진글로벌 종동륜의 차축 조립체

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6666303B2 (en) * 2000-07-04 2003-12-23 Ntn Corporation Wheel bearing assembly
US6959789B2 (en) * 2000-07-04 2005-11-01 Ntn Corporation Wheel bearing assembly
JP2003176841A (ja) * 2001-10-10 2003-06-27 Skf Ind Spa 自動車用車輪用ハブ・ブレーキロータ部品

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140239706A1 (en) * 2007-03-22 2014-08-28 Ntn Corporation Bearing device for a wheel
US9511629B2 (en) * 2007-03-22 2016-12-06 Ntn Corporation Bearing device for a wheel
WO2016082633A1 (fr) * 2014-11-24 2016-06-02 舍弗勒技术股份两合公司 Ensemble d'entraînement de moyeu de roue
US20200316992A1 (en) * 2019-04-04 2020-10-08 Hirschvogel Umformtechnik Gmbh Arrangement of a bearing component on a chassis component, bearing component and chassis component for such an arrangement and method of manufacturing them

Also Published As

Publication number Publication date
KR100742027B1 (ko) 2007-07-23
WO2007081073A1 (fr) 2007-07-19

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