GB2493443A - Wheel bearing unit having a wheel hub connected to a universal joint body by a plurality of clamping screws, causing elastic deformation - Google Patents

Wheel bearing unit having a wheel hub connected to a universal joint body by a plurality of clamping screws, causing elastic deformation Download PDF

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Publication number
GB2493443A
GB2493443A GB201213431A GB201213431A GB2493443A GB 2493443 A GB2493443 A GB 2493443A GB 201213431 A GB201213431 A GB 201213431A GB 201213431 A GB201213431 A GB 201213431A GB 2493443 A GB2493443 A GB 2493443A
Authority
GB
United Kingdom
Prior art keywords
wheel hub
text
joint part
wheel
outer joint
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
GB201213431A
Other versions
GB201213431D0 (en
GB2493443B (en
Inventor
Dietmar Becker
Friedrich Feicha
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dr Ing HCF Porsche AG
Original Assignee
Dr Ing HCF Porsche AG
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 Dr Ing HCF Porsche AG filed Critical Dr Ing HCF Porsche AG
Publication of GB201213431D0 publication Critical patent/GB201213431D0/en
Publication of GB2493443A publication Critical patent/GB2493443A/en
Application granted granted Critical
Publication of GB2493443B publication Critical patent/GB2493443B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0015—Hubs for driven wheels
    • B60B27/0036—Hubs for driven wheels comprising homokinetic joints
    • B60B27/0042—Hubs for driven wheels comprising homokinetic joints characterised by the fixation of the homokinetic joint to the hub
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0078—Hubs characterised by the fixation of 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/06—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end
    • F16D1/076—Couplings for rigidly connecting two coaxial shafts or other movable machine elements for attachment of a member on a shaft or on a shaft-end by clamping together two faces perpendicular to the axis of rotation, e.g. with bolted flanges
    • 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
    • F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
    • F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2310/00—Manufacturing methods
    • B60B2310/30—Manufacturing methods joining
    • B60B2310/305—Manufacturing methods joining by screwing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/331—Safety or security
    • B60B2900/3312—Safety or security during regular use
    • 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
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D2001/103—Quick-acting couplings in which the parts are connected by simply bringing them together axially the torque is transmitted via splined connections

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)
  • Motor Power Transmission Devices (AREA)

Abstract

A wheel bearing unit having a wheel hub 4 connected to a universal joint body 2 is provided, wherein the wheel hub 4 is connected by means of a plurality of circumferentially spaced clamping screws 9 to an outer joint part 5 of the universal joint shaft. As the clamping screws 9 are tightened, there is an elastic deformation of the outside diameter of the externally splined outer joint part 6 relative to the splined wheel hub and a resulting play-free fixing of the universal joint shaft spline system in the wheel hub as well as axial clamping of the bearing inner rings 10, 11 on the wheel hub sleeve H.

Description

Wheel bearing unit The invention relates to a wheel bearing unit having a wheel hub connected to a joint body of a universal joint shaft.
EP 1 526 297 Al has disclosed a wheel hub having an outer joint part of a rotary constant velocity joint, in which the outer joint part is connected by means of a shaft spline system. The wheel hub is held in a hub carrier by means of a wheel bearing, and bearing inner rings of the wheel bearing are clamped axially between a front supporting surface of the wheel hub and a rear bead. This bead rests by means of an annular surface against a stop washer, with preloading by a screw.
The invention seeks to provide a wheel bearing unit for a motor vehicle having a wheel hub connected to a joint body of a universal joint shaft, in which the parts which are in engagement with one another are fixed without play relative to one another and clamped axially.
According to the invention, this can be achieved by the features of claim 1. The dependent claims contain further advantageous features.
The principal advantages achieved by means of the invention consist in that, by means of clamping means between a wheel hub and an outer joint part of a joint body, said parts are fixed elastically without play relative to one another. To achieve the play-free arrangement according to the invention, provision is made, in particular, for the outer joint part to be connected to the wheel hub, by means of a plurality of axially connected clamping screws arranged in a manner distributed over the circumference, in a manner which involves elastic deformation of the parts relative to one another, wherein bearing inner rings of a ball bearing, in particular an angular contact ball bearing, which are arranged spaced apart with respect to one another, are arranged so as to be clamped axially between a circumferential annular flange of the wheel hub and a clamping lug ring on the outer joint part.
For this purpose, the clamping screws are supported by means of a head in the annular flange cf the wheel hub and are arranged in such a way that they can be screwed into opposite threaded lugs of the outer joint part.
Moreover, the threaded lugs are arranged so as to project radially inward on a sleeve-shaped extension of the outer joint part, and the clamping lug ring is provided so as to project radially outward on the free end, remote therefrom, of the sleeve-shaped extension of the outer joint part.
Between the threaded lugs and the clamping lug ring, external splines are arranged on the outside of the sleeve-shaped extension, and internal splines, which correspond thereto, are arranged on the wheel hub sleeve, these being embodied so as to interact. When tightened, the clamping screws exert a load on the outer joint part and hence on the external spllnes of the sleeve-shaped extension of the outer joint part. At the same time, axial clamping of the bearing inner rings of the ball bearing is achieved. Overall, axial and radial clamping of the parts is produced.
According to the invention, provision is furthermore made for a plurality of clamping screws arranged in a manner distributed over the inner circumference of the wheel hub to be provided, and for the clamping screws to have a tapered or cylindrical arrangement from the wheel hub to the outer joint part. The arrangement of clamping screws set at a slightly oblique angle, in a tapered arrangement, results in an at least slight deformation of the outside diameter of the externally splined sleeve-shaped extension of the outer joint part and, as a result, play-free clamping or play-free seating of the parts relative to one another. The cylindrical arrangement of the clamping screws should likewise produce similar play-free clamping or play-free seating of the parts relative to one another.
The effects of the slight elastic deformation in the region of the spline system between the wheel hub and the outer joint part and of the axial clamping of the bearing inner rings on the wheel hub can be achieved independently or jointly.
An illustrative embodiment of the invention having a wheel bearing unit with a wheel hub and a universal joint shaft connected by means of a spline system is illustrated in the drawing and described in greater detail below.
A wheel bearing unit 1 essentially comprises a wheel hub 4, which is connected to a joint body 2 of a universal joint shaft 3, wherein the joint body 2 comprises an outer joint part 5, in particular an outer ball joint part. This is connected by means of a spline system 6 to the wheel hub 4 so as to interact therewith. The wheel hub 4 is held in a hub carrier 8 or the like by means of a ball bearing 7, in particular an angular contact ball bearing.
The outer joint part 5 is connected to the wheel hub 4 by means of a plurality of axially extending clamping screws 9 arranged in a manner distributed over the circumference of the wheel hub 4, in a manner which involves elastic deformation or fixing of the parts 4, relative to one another. The two bearing inner rings 10, 11 of the ball bearing 7 are arranged spaced apart with respect to one another on a wheel hub sleeve H of the wheel hub 4 and held firmly in position, and are arranged so as to be clamped between a circumferential annular flange 12 of the wheel hub 4 and a clamping lug ring 14 on the outer joint part 5.
The clamping screws 9 are supported by means of a head in the annular flange 12 of the wheel hub 4 and can be screwed into threaded lugs 16 of the outer joint part 5, so that, when the clamping screws 9 are tightened, the screw system results in a slight deformation by the threaded lugs 16 on the joint body 2 and a play-free connection between the spline system 6 of the parts. A plurality of spaced threaded lugs 16 corresponding to the number of clamping screws 9 is provided.
For this purpose, the threaded lugs 16 project radially inward and are arranged on the front side of a sleeve-shaped extension 17 of the outer joint part 5. The clamping lug ring 14 is arranged so as to project radially outward on the rear free end 18, remote therefrom, of the sleeve-shaped extension 17 and comes to rest at the front end on the wheel hub sleeve FE.
Between the threaded lugs 16 and the clamping lug ring 14, external splines of the spline system 6 are arranged on the outside of the sleeve-shaped extension 17, and internal splines for the universal joint shaft or for the outer joint part 5 are provided in the wheel hub sleeve H. The screw system formed by the clamping screws 9 preferably consists of a plurality of clamping screws 9 arranged in a manner distributed over the inner circumference of the wheel hub 4, wherein the clamping screws 9 can have a tapered or cylindrical arrangement from the wheel hub 4 to the outer joint part 5. The tapered arrangement of the clamping screws 9 is shown in the drawing.
In summary, it is explained that the clamping screws 9 are arranged in such a way between the wheel hub 4 and the cuter joint part 5 that, in the clamped state, i.e. when the clamping screws 9 are tightened, elastic deformation of the outside diameter, in particular, of the externally splined sleeve-shaped extension 17 and of the outer joint part 5 relative to the internally splined wheel hub sleeve H of the wheel hub 4 is possible.
The clamping screws 9 should furthermore be arranged in such a way that, in the clamped state, play-free fixing can take place between the wheel hub 4 or wheel hub sleeve H and the outer joint part 5 in the region of the spline system, i.e. between the external and internal thread of the spline system 6, and/or axial clamping of the bearing inner rings and bearing play adjustment of the ball bearing on the wheel hub sleeve H is achieved. I circular flow of force via the clamping screws 9, the sleeve-shaped extension 17 and the wheel hub sleeve H is thus achieved by means of the clamping screws 9.

Claims (1)

  1. <claim-text>Patent claims 1. A wheel bearing unit having a wheel hub connected to a joint body of a universal joint shaft, wherein the joint body comprises an outer joint part, which is connected to the wheel hub by a shaft spline system, and the wheel hub is supported in a hub carrier by means of a cylindrical wheel hub sleeve by way of a ball bearing, wherein the outer joint part is connected to the wheel hub, by means of a plurality of axially extending clamping screws arranged in a manner distributed over the circumference, in a manner which involves elastic deformation of the parts relative to one another, and bearing inner rings of the ball bearing, which are arranged spaced apart with respect to one another, are arranged so as to be clamped axially between a circumferential annular flange of the wheel hub and a clamping lug ring on the outer joint part.</claim-text> <claim-text>2. The wheel bearing unit as claimed in claim 1, wherein the clamping screws are supported by means of a head in the annular flange of the wheel hub and are arranged in such a way that they can be screwed into threaded lugs of the outer joint part.</claim-text> <claim-text>3. The wheel bearing unit as claimed in claims 1 or 2, wherein the threaded lugs are arranged so as to project radially inward on a sleeve-shaped extension of the outer joint part, and the clamping lug ring is provided so as to project outward on the free end, remote therefrom, of the sleeve-shaped extension of the outer joint part.</claim-text> <claim-text>4. The wheel bearing unit as claimed in claims 1, 2 or 3, wherein, between the threaded lugs and the clamping lug ring, external splines of the spline system are arranged on the outside of the sleeve-shaped extension and internal splines of the spline system, which correspond theretc, are arranged on the wheel hub sleeve.</claim-text> <claim-text>5. The wheel bearing unit as claimed in claims 1, 2, 3or 4, wherein a plurality of clamping screws arranged in a manner distributed over the inner circumference of the wheel hub is provided, and the clamping screws have a tapered or cylindrical arrangement from the wheel hub to the outer joint part.</claim-text> <claim-text>6. The wheel bearing unit as claimed in one of the preceding claims, wherein the clamping screws are arranged in such a way between the wheel hub and the outer joint part that, in the clamped state, elastic deformation of the outside diameter of the externally splined sleeve-shaped extension and of the outer joint part relative to the internally splined wheel hub sleeve of the wheel hub can be achieved.</claim-text> <claim-text>7. The wheel bearing unit as claimed in one of the preceding claims, wherein the clamping screws are arranged in such a way between the wheel hub and the outer joint part that, in the clamped state, elastic deformation in the spline system and the axial clamping of the bearing inner rings on the wheel hub sleeve of the wheel hub can be achieved.</claim-text> <claim-text>8. A wheel bearing unit, substantially as hereinbefcre described with reference to the accompanying drawing.</claim-text>
GB201213431A 2011-08-02 2012-07-27 Wheel bearing unit Expired - Fee Related GB2493443B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110052354 DE102011052354A1 (en) 2011-08-02 2011-08-02 wheel bearing unit

Publications (3)

Publication Number Publication Date
GB201213431D0 GB201213431D0 (en) 2012-09-12
GB2493443A true GB2493443A (en) 2013-02-06
GB2493443B GB2493443B (en) 2014-01-01

Family

ID=46881293

Family Applications (1)

Application Number Title Priority Date Filing Date
GB201213431A Expired - Fee Related GB2493443B (en) 2011-08-02 2012-07-27 Wheel bearing unit

Country Status (4)

Country Link
CN (1) CN102991271B (en)
DE (1) DE102011052354A1 (en)
GB (1) GB2493443B (en)
IT (1) ITMI20121362A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015009041A1 (en) * 2015-07-13 2017-01-19 Sram Deutschland Gmbh Hub for a bicycle
CN111853077B (en) * 2019-04-03 2021-10-26 株洲时代新材料科技股份有限公司 A kind of interface unit
CN114321195B (en) * 2021-12-30 2023-07-21 中国航空工业集团公司金城南京机电液压工程研究中心 Device capable of fixing output spline

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375196A1 (en) * 2001-03-29 2004-01-02 Ntn Corporation Bearing device for drive wheel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3620003A1 (en) * 1986-06-13 1987-12-17 Audi Ag Bearing arrangement
DE4329661A1 (en) * 1993-09-02 1995-03-09 Ruediger Hoeffken Unit wheel system for road vehicles
BR0111302A (en) * 2000-09-29 2003-04-29 Nsk Ltd Wheel drive bearing unit
JP4146308B2 (en) * 2002-09-10 2008-09-10 Ｎｔｎ株式会社 Wheel bearing device
DE50306919D1 (en) 2003-10-24 2007-05-10 Gkn Driveline Int Gmbh Joint outer part with support disk
JP5212710B2 (en) * 2008-07-31 2013-06-19 株式会社ジェイテクト Wheel bearing device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1375196A1 (en) * 2001-03-29 2004-01-02 Ntn Corporation Bearing device for drive wheel

Also Published As

Publication number Publication date
CN102991271A (en) 2013-03-27
CN102991271B (en) 2015-02-04
DE102011052354A1 (en) 2013-02-07
GB201213431D0 (en) 2012-09-12
ITMI20121362A1 (en) 2013-02-03
GB2493443B (en) 2014-01-01

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20200727