WO2013151195A1 - 휠 베어링 체결 구조 및 체결 방법 - Google Patents
휠 베어링 체결 구조 및 체결 방법 Download PDFInfo
- Publication number
- WO2013151195A1 WO2013151195A1 PCT/KR2012/002621 KR2012002621W WO2013151195A1 WO 2013151195 A1 WO2013151195 A1 WO 2013151195A1 KR 2012002621 W KR2012002621 W KR 2012002621W WO 2013151195 A1 WO2013151195 A1 WO 2013151195A1
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- WIPO (PCT)
- Prior art keywords
- wheel hub
- inner ring
- circumferential surface
- wheel
- tooth
- Prior art date
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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
- B60B27/0078—Hubs characterised by the fixation of bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
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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
- B60B27/0005—Hubs with ball bearings
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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
- B60B27/0015—Hubs for driven wheels
- B60B27/0021—Hubs for driven wheels characterised by torque transmission means from drive axle
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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
- B60B27/0015—Hubs for driven wheels
- B60B27/0036—Hubs for driven wheels comprising homokinetic joints
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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
- B60B27/0015—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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B35/00—Axle units; Parts thereof ; Arrangements for lubrication of axles
- B60B35/12—Torque-transmitting axles
- B60B35/18—Arrangement of bearings
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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
- F16C19/02—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
- F16C19/187—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 all four raceways integrated on parts other than race rings, e.g. fourth 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
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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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
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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
- 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
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- 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
- B60B2310/302—Manufacturing methods joining by welding
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- 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
- B60B2310/311—Manufacturing methods joining by riveting
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- 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
- B60B2310/316—Manufacturing methods joining by press-fitting, shrink-fitting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B2320/00—Manufacturing or maintenance operations
- B60B2320/10—Assembling; disassembling
-
- 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
- B60B2900/321—Lifetime
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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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/10—Force connections, e.g. clamping
- F16C2226/12—Force connections, e.g. clamping by press-fit, e.g. plug-in
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/52—Positive connections with plastic deformation, e.g. caulking or staking
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/60—Positive connections with threaded parts, e.g. bolt and nut connections
-
- 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
- F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
- F16C2226/50—Positive connections
- F16C2226/80—Positive connections with splines, serrations or similar profiles to prevent movement between joined parts
-
- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49636—Process for making bearing or component thereof
- Y10T29/49643—Rotary bearing
- Y10T29/49679—Anti-friction bearing or component thereof
- Y10T29/49689—Race making
Definitions
- the present invention relates to a wheel bearing fastening structure and a fastening method, and more particularly, to a wheel bearing fastening structure and fastening method that can improve the durability and quality of the wheel bearing.
- Wheel bearings used in the axle of the vehicle enable the wheels of the vehicle to rotate smoothly without friction loss and serve to fix the wheels to the vehicle body.
- FIG. 1 is a cross-sectional view illustrating an assembled state of a conventional wheel bearing and a constant velocity joint.
- a conventional wheel bearing includes a wheel hub 4, an inner ring 3 press-fitted to the wheel hub 4, an outer ring 5 disposed outside a radius of the inner ring 3, and the A rolling element 2 provided between the inner ring 3 and the outer ring 5 is included.
- the shaft of the constant velocity joint (CVJ) 6 is splined to the inner peripheral surface of the wheel hub (4).
- the constant velocity joint 6 is splined to the inner circumferential surface of the wheel hub 4 by spline coupling the shaft of the constant velocity joint 6 to the end 7 of the shaft 7. ) To prevent axial separation.
- the inner ring 3 is pressed into one end of the wheel hub 4, and then one end of the wheel hub 4 is subjected to plastic permanent deformation of the material through an orbital forming process. Assembly was performed to maintain the preload applied to the wheel bearings.
- Preload means axial pressure applied to the wheel bearings through the wheel hub, rolling element, outer ring and inner ring. Proper preloading greatly affects the life of the wheel bearings.
- the inner ring 3 may be deformed by the high load in this process, and there is a problem of expanding the gap and the distribution of quality.
- the driving force is transmitted only by the spline coupling between the wheel hub 4 and the shaft of the constant velocity joint 6 as described above, the driving force can not be stably transmitted, and the teeth 1 are large.
- the force is applied, the clearance is gradually increased in the fastening portion of the teeth (1) has a problem that the durability is worsened and the life is shortened.
- the present invention has been made to solve the above-described problems, the wheel bearing fastening structure to solve the problem that the driving force transmission is unstable, noise generated, deterioration of durability and shortened life due to the fastening structure of the wheel hub and constant velocity joint And it aims to provide a fastening method.
- the wheel bearing fastening structure includes a wheel hub having a flange for mounting to a wheel; A hollow inner ring press-fitted on one side of the wheel hub; A ring-shaped outer ring disposed outside the wheel hub and the inner ring; At least one rolling element provided between the wheel hub or the inner ring and the outer ring; And a hollow pin coupled to the wheel hub inner circumferential surface and the inner circumferential surface of the inner ring by a spline.
- a first tooth is formed on an inner circumferential surface of the wheel hub, a second tooth is formed on an outer circumferential surface of the hollow pin, and a third tooth is formed on an inner circumferential surface of the inner ring, wherein the second tooth is formed of the first tooth and the first tooth. It may be characterized in that the spline coupled to the trident portion.
- a joint member having a radial first surface value formed at one end surface of the inner ring and having a second surface value engaged with the first surface value; And a bolt penetrating the hollow pin to couple the joint member to the wheel hub.
- One end of the hollow pin may form a support portion that extends radially outward.
- the other end of the hollow pin may be bent radially outward to form a bending portion.
- the banding part may be formed by an orbital forming process.
- One side of the wheel hub may be formed with a stepped portion whose inner peripheral surface is stepped radially outward, and the inner ring may be formed with an indentation projecting in the axial direction so as to be pressed into the stepped portion.
- the diameter of the inner circumferential surface of the stepped portion may be smaller than the diameter of the outer circumferential surface of the press-fitted portion.
- the wheel bearing fastening structure includes a wheel hub having a flange for mounting to a wheel; A hollow inner ring press-fitted through the inner circumferential surface of the wheel hub; A ring-shaped outer ring disposed outside the wheel hub and the inner ring; And at least one rolling element provided between the wheel hub or the inner ring and the outer ring, wherein a portion of the inner ring passing through the wheel hub is splined to the inner circumferential surface of the wheel hub.
- a joint member having a radial first surface value formed at one end surface of the inner ring and having a second surface value engaged with the first surface value; And a bolt penetrating the hollow pin to couple the joint member to the wheel hub.
- a first tooth portion is formed on an inner circumferential surface of the wheel hub, and a second tooth portion splined to the first tooth portion is formed on a portion of the inner ring, and a portion other than the second tooth portion of the inner ring is formed inside the wheel hub. It may be characterized in that the press-in portion protruding in the axial direction to be pressed.
- the outer peripheral surface of the inner ring and the wheel hub inner peripheral surface may be welded to each other so as to continuously maintain the preload applied to the wheel bearing.
- a method of fastening wheel bearings may include: forming a stepped portion radially outward on one inner circumferential surface of a hollow wheel hub having a flange for mounting to a wheel; Forming a press-fitting part protruding in the axial direction so as to press-fit into the stepped portion in the inner ring; Forming a first tooth portion on an inner circumferential surface of the wheel hub, forming a second tooth portion on an outer circumferential surface of the hollow pin inserted into the wheel hub and the inner ring, and forming a third tooth portion on an inner circumferential surface of the inner ring; Coupling the inner ring to the wheel hub by pressing the pressing part into the step part; And inserting the hollow pin into the wheel hub and the inner ring such that the second tooth portion is splined to the first tooth portion and the third tooth portion at the same time.
- the wheel bearing fastening method may include forming a radial first surface value at one end surface of the inner ring and forming a second surface value at the joint member to engage the first surface value; Mounting the joint member on the inner ring such that the first surface value and the second surface value are coupled; And coupling a bolt to the coupling groove of the joint member through the hollow pin.
- the method of fastening the wheel bearing includes disposing a first rolling element on an outer circumferential surface of the wheel hub; Installing an outer ring to be in contact with an outer circumferential surface of the first electric motor; And arranging a second rolling element to be in contact with an inner circumferential surface of the outer ring.
- One end of the hollow pin may be bent radially outward to form a support.
- the other end of the hollow pin may be bent radially outward to form a bending portion.
- the diameter of the inner circumferential surface of the stepped portion may be smaller than the diameter of the outer circumferential surface of the press-fitted portion.
- the method of fastening the wheel bearing includes: forming a first tooth portion on a portion of an inner circumferential surface of a hollow wheel hub in which a flange for mounting on a wheel is formed; Forming an inner ring to penetrate the wheel hub, and forming a second tooth portion splined to the first tooth portion at a portion of the inner ring; Forming an indentation projecting in an axial direction on a portion of the inner ring so as to be indented into the wheel hub; And assembling the inner ring and the wheel hub by pressing the press-fit part into the wheel hub and spline coupling the first tooth part and the second tooth part.
- the wheel bearing fastening method may include forming a radial first surface value at one end surface of the inner ring and forming a second surface value at the joint member to engage the first surface value; Mounting the joint member on the inner ring such that the first surface value and the second surface value are coupled; And coupling the bolt to the coupling groove of the joint member through the hollow of the inner ring.
- the method of fastening the wheel bearing includes disposing a first rolling element on an outer circumferential surface of the wheel hub; Installing an outer ring to be in contact with an outer circumferential surface of the first electric motor; And arranging a second rolling element to be in contact with an inner circumferential surface of the outer ring.
- the wheel bearing fastening method may further include maintaining a preload applied to the wheel bearing by welding a boundary portion between the outer circumferential surface of the inner ring and the inner circumferential surface of the wheel hub in a state in which the wheel hub is pressed against the inner ring. can do.
- a joint member such as a constant velocity joint is coupled to an inner ring by a facial spline, and the inner wheel and the wheel hub are connected or coupled by a spline, thereby transmitting a stable driving force. This is possible and has the effect of improving durability.
- the inner ring is forcibly pressed into the wheel hub and the preload is maintained by welding or the like, so that the torque preload can be stably applied, and the noise can be reduced by preventing the clearance. It has an effect.
- the wheel bearing fastening structure and the fastening method of the present invention since the wheel hub and the joint member are fastened by using bolts, the wheel bearing fastening structure and the fastening method are easy to assemble and dismantle, and the maintenance is improved. It can work.
- FIG. 1 is a perspective view of a wheel bearing structure according to the prior art.
- FIG. 2 is a cross-sectional view of the wheel bearing fastening structure according to the first embodiment of the present invention.
- FIG. 3 is a cross-sectional view of a wheel bearing fastening structure in which the hollow pin of FIG. 2 is partially modified.
- FIG. 4 is a schematic cross-sectional view of one side of the inner ring of FIG. 3 viewed from the A direction.
- FIG. 5 is a cross-sectional view of a wheel bearing fastening structure in which the hollow pin of FIG. 2 is partially modified.
- FIG. 6 is a cross-sectional view of a wheel bearing fastening structure in which the hollow pin of FIG. 2 is partially modified.
- FIG. 7 is a cross-sectional view of a wheel bearing coupling structure in which a hollow pin and a wheel hub are welded.
- FIG. 8 is a cross-sectional view of the wheel bearing fastening structure according to the second embodiment of the present invention.
- FIG. 9 is a cross-sectional view of the wheel bearing fastening structure in which the inner ring of FIG. 8 is partially modified.
- FIG. 10 is a schematic cross-sectional view of one side of the inner ring of FIG. 9 viewed from the A direction.
- FIG. 11 is a cross-sectional view of the wheel bearing coupling structure in which the inner ring and the wheel hub of FIG. 8 are welded.
- FIG. 11 is a cross-sectional view of the wheel bearing coupling structure in which the inner ring and the wheel hub of FIG. 8 are welded.
- FIG. 12 is a flowchart of a method of fastening a wheel bearing according to a first embodiment of the present invention.
- FIG. 13 is a flowchart of a method of fastening a wheel bearing according to a second embodiment of the present invention.
- wheel hub 110 first tooth portion
- first tooth 230 second tooth portion
- indentation unit 300 outer ring
- FIGS. 2 to 6 are views showing the wheel bearing fastening structure according to the first embodiment of the present invention.
- the wheel bearing fastening structure includes a wheel hub 100, an inner ring 200, an outer ring 300, a rolling element 400, It may be configured to include a hollow pin 500, the joint member 600 and the bolt 700.
- the wheel hub 100 serves to transfer the driving force of the joint member 600 such as a constant velocity joint (CVJ) to the wheel, and the wheel hub 100 has a flange to mount the wheel.
- the flange 101 and the hub bolt 120 may be provided.
- the flange 101 is formed to protrude radially outward from the wheel hub 100 as shown in Figure 2, it may be formed in a disk shape as a whole.
- the flange 101 has a plurality of bolt holes for pressing the hub bolt 120 is formed.
- the wheel is mounted through the plurality of hub bolts 120 press-fitted to the flange 101, thereby connecting the wheel and the wheel hub 100.
- the wheel hub 100 is formed in an annular shape, the inner peripheral surface of the first tooth portion 110 is formed along the circumferential direction.
- the first tooth portion 110 is formed in a shape corresponding to the second tooth portion 510 formed on the outer circumferential surface of the hollow pin 500.
- the first tooth portion 110 is formed by continuously forming a plurality of irregularities on the inner circumferential surface of the wheel hub 100 along the circumferential direction as shown in FIG. 4.
- the first tooth portion 110 and the second tooth portion 510 of the hollow pin 500 are coupled to each other to transfer the driving force of the joint member 600 to the wheel.
- the inner ring 200 is pressed into one inner peripheral surface of the wheel hub (100).
- the inner ring 200 is also formed in an annular shape similar to the wheel hub 100, the diameter of the inner circumferential surface of the inner ring 200 is the same as the diameter of the inner circumferential surface of the wheel hub (100).
- a stepped portion 130 stepped radially outward may be formed, and the inner ring 200 is press-fitted corresponding to the stepped portion 130.
- the portion 240 may protrude in the axial direction.
- the inner ring 200 is primarily assembled to the wheel hub 100 by press-fitting the 240 into the inner circumferential surface of the stepped part 130.
- the outer circumferential surface of the stepped portion 130 has a diameter smaller than that of the inner circumferential surface of the stepped portion 130, so that the wheel hub 100 may be formed using a hydraulic press.
- Inner ring 200 may be press-fitted into the inner ring 200.
- a locking jaw (not shown) is formed on the inner circumference of the step portion 130 of the wheel hub 100, and the locking stone is caught on the locking jaw on the outer circumferential surface of the press-fit portion 240 of the inner ring 200.
- the inner ring 200 may be pressed into the wheel hub 100.
- the corner portions P1 and P2 of the press-fit unit 240 may be curved in the inner ring 200.
- corner portions P3 and P4 of the inner circumferential surface of the stepped part 130 may be formed to be bent.
- the corner portions P1 and P2 of the press-fit part 240 and the corner parts P3 and P4 of the inner circumferential surface of the step part 130, the stepped part 130 and the press-fit part It is possible to prevent a decrease in durability due to wear between the 240.
- a third tooth portion 210 may be formed on the inner circumferential surface of the inner ring 200 to be splined to the second tooth portion 510 of the hollow pin 500.
- a radial first spline 220 may be formed at one end surface of the inner ring 200.
- a second surface tooth 610 meshing with the first surface tooth 220 of the inner ring 200 is formed on a surface of the joint member 600 that contacts one end surface of the inner ring 200.
- the driving force transmission from the joint member 600 to the inner ring 200 is assisted by the first surface tooth 220 and the second surface tooth 610 engaged with each other, thereby achieving stable power transmission. Can be reduced.
- a ring-shaped outer ring 300 is disposed outside the inner ring 200, and one of the wheel hub 100 or the inner ring 200 and the outer ring 300 is provided.
- the rolling element 400 may be provided.
- the rolling element 400 may include a first rolling element 410 and a second rolling element 420.
- the first transmission body 410 is installed between one inner peripheral surface of the outer ring 300 and the outer peripheral surface of the wheel hub 100
- the second transmission body 420 is the other inner peripheral surface and the inner ring 200 of the outer ring (300) It can be installed between the outer peripheral surface of the).
- the first rolling element 410 and the second rolling element 420 contact the wheel hub 100 or the inner ring 200 and the outer ring 300 by rolling contact with the wheel hub 100 or the inner ring 200. And serves to smooth the relative rotation of the outer ring (300).
- a first sealing member 411 may be installed between the outer circumferential surface of the wheel hub 100 near the flange 101 and the inner circumferential surface of one end of the outer ring 300.
- the first sealing member 411 is a seal having a ring shape as a whole to prevent foreign substances such as dust or moisture from penetrating into the space between the wheel hub 100 and the outer ring 300 and the Lubricant for smooth rolling of the first rolling element 410 serves to prevent leakage from the space between the outer ring 300 and the wheel hub (100).
- a second sealing member 421 may be installed between the outer peripheral surface of one end of the inner ring 200 and the inner peripheral surface of the other end of the outer ring 300.
- the second sealing member 421 is also a ring-shaped seal (Seal) to prevent foreign matter, such as dust or moisture to penetrate the space between the inner ring 200 and the outer ring 300 and the second rolling element 420 Lubricant to smooth the rolling motion of the) is prevented from leaking from the space between the inner ring 200 and the outer ring (300).
- the hollow pin 500 is splined to the inner circumferential surface of the wheel hub 100 and the inner circumferential surface of the inner ring 200 at the same time to transfer the driving force received from the joint member 600 to the wheel hub 100. do.
- a second tooth portion 510 corresponding to the first tooth portion 110 of the wheel hub 100 and the third tooth portion 210 of the inner ring 200 is formed on an outer circumferential surface of the hollow pin 500. Is formed.
- one end of the hollow pin 500 may form a support part 520 extending radially outward.
- one end surface of the support part 520 may be formed in a flat surface such that the bolt seat may stably support the bolt 700 by contacting the head of the bolt 700 when the bolt 700 is coupled. It serves as.
- the hollow pin 500 has one end formed as a support part 520 extending radially outward in the wheel hub 100 direction, and the other end thereof in the inner ring 200 direction. It may be bent to the outside of the radius to form the bending portion 530.
- the bending part 530 may be formed to stably maintain the preload applied to the wheel bearing by using an orbital forming process or a swaging process.
- the support part 520 is formed on the inner ring 200 side of the hollow pin 500, and the bending part 530 is formed on the wheel hub 100.
- Orbital forming process or swaging in the state in which the support part 520 of the hollow pin 500 is formed before the bending part 530 so as to support the support part 520 on the inner ring 200 side.
- the support part 520 of the hollow pin 500 extends radially outward in the direction of the inner ring 200, and the hollow pin is formed on the inner ring 200 side. Insert from. At this time, the hollow pin 500 is formed such that the wheel hub 100 side end 501 of the hollow pin 500 is completely inserted than the end 102 of the wheel hub 100.
- the hollow pin 500 is welded by welding the end portion 501 of the hollow pin 500 along a portion S in contact with the inner circumferential surface of the wheel bearing in a state in which the support part 520 of the hollow pin 500 is pressed in the R direction. The preload applied to the wheel bearing can be stably maintained.
- the welding part S may be formed on the inner circumferential surface of the wheel hub 100 without protruding outward from the end 102 of the wheel hub, the welding of the bolt S 700 may be prevented by the welding part S in the future. There is an advantage not to receive.
- the joint member 600 is installed on a driving axle connected to a longitudinal reduction device in a front wheel drive vehicle, and used to transfer power to the wheels of the vehicle.
- the constant velocity joint (Constant Velocity Joint, CVJ) transfers power at constant speed during power transmission.
- CVJ Constant Velocity Joint
- a second surface tooth 610 that is engaged with the first surface tooth 220 of the inner ring 200 is formed at one end surface of the joint member 600.
- the transmission of the driving force from the joint member 600 to the inner ring 200 is assisted by the first surface tooth 220 and the second surface tooth 610 which are engaged with each other, thereby achieving stable power transmission.
- the bolt 700 passes through the hollow pin 500 from one side of the wheel hub 100 and is coupled to the joint member 600.
- a fastening groove 620 to which the bolt 700 is inserted and coupled is formed at the central portion of the joint member 600.
- FIG. 12 is a flowchart of a method of fastening a wheel bearing according to a first embodiment of the present invention.
- FIG. 12 a wheel bearing fastening method according to a first embodiment of the present invention will be described with reference to FIGS. 2 to 6 and 12.
- the steps shown in FIG. 12 are ordered for convenience of description, and the claims are not limited by the order shown in FIG. 12.
- the stepped stepped portion 130 is formed radially outward of the wheel hub 100 (S101).
- Wheel hub 100 is a flange 101 for mounting the wheel is formed as a portion coupled to the hub bolt 120, as shown in Figure 2 stepped portion 130 stepped radially outward on the inner circumferential surface of one side of the wheel hub ) Can be formed.
- the inner ring 200 is formed to protrude in the axial direction the pressing portion 240 is pressed into the step portion 130 of the wheel hub (100) (S102).
- first tooth portion 110 is formed on the inner circumferential surface of the wheel hub 100, and the second tooth portion is formed on the outer circumferential surface of the hollow pin 500 inserted into the wheel hub 100 and the inner ring 200. 510 is formed, and the third tooth portion 210 is formed on the inner circumferential surface of the inner ring 300 (S103).
- the first tooth portion 110 may be formed by continuously forming a plurality of irregularities on the inner circumferential surface of the wheel hub 100 along the circumferential direction
- the second tooth portion 510 may be formed. It may be formed by continuously forming a plurality of irregularities on the outer circumferential surface of the hollow pin 500 in the circumferential direction of the hollow pin 500
- the third tooth portion 210 is the inner ring 200 in the circumferential direction It can be formed by continuously forming a plurality of irregularities on the inner peripheral surface of the.
- the second tooth portion 510 of the hollow pin 500 is splined to the first and third tooth portions 110 and 210 at the same time to drive the driving force of the joint member 600 received from the inner ring 200 wheel hub It will be stably delivered to (100).
- first tooth portion 110 and the third tooth portion 210 of the inner ring 200 of the wheel hub 100 may be formed through a separate process, respectively, the wheel The first tooth portion 110 and the third tooth portion 210 may be formed by the same process while the hub 100 and the inner ring 200 are aligned.
- a radial first surface tooth 220 is formed at one end surface of the inner ring 200, and a second surface tooth 610 meshing with the first surface tooth 220 is formed. It is formed in the joint member 600 (S104).
- the first rolling element 410 is disposed on one outer circumferential surface of the wheel hub 100 (S105).
- the first rolling element 410 is installed between the outer circumferential surface of the wheel hub 100 and one inner circumferential surface of the outer ring 300 to smoothly rotate the wheel hub 100 and the outer ring 300. do.
- the first sealing member 411 may be disposed on the outer circumferential surface of the wheel hub 100 first.
- the first sealing member 411 may be formed as a seal having a ring shape.
- the first sealing member 411 is a seal having a ring shape as a whole to prevent foreign substances such as dust or moisture from penetrating into the space between the wheel hub 100 and the outer ring 300 and the Lubricant to smooth rolling motion of the first rolling element 410 is prevented from leaking from the space between the outer ring 300 and the wheel hub 100.
- the outer ring 300 is installed to contact the outer circumferential surface of the first rolling element 410 (S106).
- the second rolling element 420 is disposed to contact the other inner circumferential surface of the outer ring (S107).
- the inner ring 200 is pressed into the wheel hub 100 and assembled primarily (S108).
- the press-fitting part 240 of the inner ring 200 formed in the step S102 is press-fitted into the step portion 130 formed in the wheel hub 100 in the step S101.
- the diameter of the inner circumferential surface of the step portion 130 is slightly smaller than the diameter of the outer circumferential surface of the press-fit portion 240, and the inner ring 200 is connected to the wheel hub 100 using a hydraulic press. Can be press-fitted.
- a predetermined locking jaw (not shown) is formed on the stepped portion 130 of the wheel hub 100, and the locking stones are caught on the locking jaw on the outer circumferential surface of the press-fit portion 240 of the inner ring 200.
- the inner ring 200 may be pressed into the wheel hub 100.
- the second sealing member 421 may be disposed in a space between the outer circumferential surface of the inner ring 200 and the other inner circumferential surface of the outer ring 300 while the inner ring 200 is press-fitted.
- the second sealing member 421 may be a ring shaped seal.
- the hollow pin 500 having the second tooth portion 510 corresponding to the first tooth portion 110 of the wheel hub 100 and the third tooth portion 210 of the inner ring 200 is formed.
- the wheel hub 100 and the inner ring 200 are inserted and assembled together (S109).
- one end of the hollow pin 500 may be bent radially outward to form a support 520, and the other end 500 of the hollow pin may be bent radially outward.
- the bending portion 530 may be formed.
- the bending part 530 is formed by an orbital forming process or a swaging process while the hollow pin 500 is inserted into the wheel hub 100 and the inner ring 200 to maintain the preload. Can be.
- one end of the hollow pin is formed of the support part 520 bent radially outward toward the inner ring 200, and the other end of the hollow pin 500 includes a wheel hub ( 100 and the inner ring 200, and then welds a portion (S) in contact with the inner circumferential surface of the wheel hub 100 in the state in which the support portion 520 is pressed in the R direction to be coupled to the wheel hub 100. .
- the joint member 600 having the second surface tooth 610 is formed on the inner ring 200 to be engaged with the first surface tooth 220 of the inner ring 200 (S110).
- the driving force of the joint member 600 can be stably transmitted to the inner ring by being coupled to each other by the first surface tooth 220 and the second surface tooth 610. Can be improved.
- the bolt 700 passes through the hollow pin 500 and is coupled to the coupling groove 620 of the joint member 600 (S111).
- the inner ring 200 and the joint member 600 is coupled by the surface, the inner ring 200 and the wheel Since the hub 100 is splined with the hollow pin 500, stable driving force can be transmitted and durability is improved. In addition, since the inner ring 200 is forcibly pressed into one side of the wheel hub 100, creep of the inner ring 200 may be prevented, and thus noise may be reduced when the driving force is transmitted. ), It is easy to assemble and dismantle and improve the maintenance.
- FIG. 8 to 11 is a view showing a wheel bearing fastening structure according to a second embodiment of the present invention.
- the wheel bearing fastening structure includes a wheel hub 100, an inner ring 200, an outer ring 300, a rolling element 400, It may be configured to include a joint member 600 and the bolt 700.
- the wheel hub 100 serves to transfer the driving force of the joint member 600 such as a constant velocity joint (CVJ) to the wheel, and the wheel hub 100 has a flange to mount the wheel.
- the flange 101 and the hub bolt 120 may be provided.
- the flange 101 is formed to protrude radially outward from the wheel hub 100 as shown in Figure 8, it may be formed in a disk shape as a whole.
- the flange 101 has a plurality of bolt holes for pressing the hub bolt 120 is formed.
- the wheel is mounted through the plurality of hub bolts 120 press-fitted to the flange 101, thereby connecting the wheel and the wheel hub 100.
- the wheel hub 100 is formed in an annular shape, and a portion of the inner circumferential surface is formed with a first tooth portion 110 along the circumferential direction.
- a ring-shaped outer ring 300 is disposed outside the inner ring 200, and at least one rolling element is disposed between the wheel hub 100 or the inner ring 200 and the outer ring 300. 400 may be provided.
- the rolling element 400 may include a first rolling element 410 and a second rolling element 420.
- the first transmission body 410 is installed between one inner peripheral surface of the outer ring 300 and the outer peripheral surface of the wheel hub 100
- the second transmission body 420 is the other inner peripheral surface and the inner ring 200 of the outer ring (300) It can be installed between the outer peripheral surface of the).
- the first rolling element 410 and the second rolling element 420 facilitate the relative rotation of the wheel hub 100 or the inner ring 200 and the outer ring 300.
- a first sealing member 411 may be installed between the outer circumferential surface of the wheel hub 100 near the flange 101 and the inner circumferential surface of one end of the outer ring 300.
- the first sealing member 411 is a seal having a ring shape as a whole to prevent foreign substances such as dust or moisture from penetrating into the space between the wheel hub 100 and the outer ring 300 and the Lubricant for smooth rolling of the first rolling element 410 serves to prevent leakage from the space between the outer ring 300 and the wheel hub (100).
- a second sealing member 421 may be installed between the outer peripheral surface of one end of the inner ring 200 and the inner peripheral surface of the other end of the outer ring 300.
- the second sealing member 421 is also a ring-shaped seal (Seal) to prevent foreign matter, such as dust or moisture to penetrate the space between the inner ring 200 and the outer ring 300 and the second rolling element 420 Lubricant to smooth the rolling motion of the) is prevented from leaking from the space between the inner ring 200 and the outer ring (300).
- the inner ring 200 is not press-fitted to one side of the wheel hub 100, but is pushed through the inner circumferential surface of the wheel hub 100.
- the inner ring is formed such that a portion thereof may pass through the hollow of the wheel hub 100.
- Some of the inner ring 200 penetrating the wheel hub 100 is pressed into the inner circumferential surface of the wheel hub 100 as a press-fitting unit 240, and the portion of the inner ring 200 penetrating the wheel hub 100 The remaining portion except for the press-fit portion 240 is formed as the second tooth portion 230 and is splined to the first tooth portion 110 of the wheel hub 100.
- the diameter of the inner circumferential surface of the wheel hub 100 is formed to be slightly smaller than the diameter of the wheel hub 100 so that the wheel hub may be pressed using a hydraulic press.
- the inner ring 200 may be pressed into the 100.
- a predetermined locking jaw (not shown) is formed on the inner circumferential surface of the wheel hub 100, and a locking protrusion (not shown) is formed on the outer circumferential surface of the press-fit unit 240.
- the inner ring 200 may be pressed into the wheel hub 100.
- a portion close to the flange 101 of the portion of the inner ring 200 passing through the wheel hub 100 is formed as the second tooth portion 230.
- a portion close to the outer ring 300 may be formed as a press-fit part 240.
- the wheel hub 100 is formed on the inner circumferential surface close to the flange 101, the first tooth portion 110 is splined with the second tooth portion 230.
- a portion closer to the flange 101 of the inner ring 200 passing through the wheel hub 100 is formed as the indentation part 240 as opposed to FIG. 8.
- a portion of the inner ring 200 penetrating the wheel hub 100 may be formed as the second tooth portion 230 near the outer ring 300.
- the wheel hub 100 is formed on the inner circumferential surface close to the outer ring 300, the first tooth portion 110 to be splined with the second tooth portion 230.
- the hollow pin 500 does not need to be separately provided, and the inner ring 200 serves as the hollow pin 500 of the first embodiment.
- part of the inner ring 200 penetrating the wheel hub 100 is formed by the press-fitting part 240, and part of the inner ring 200 is formed by the second tooth part 230.
- the outer circumferential surface of the inner ring 200 and the wheel hub 100 due to the difference in diameter between the second tooth portion 230 and the press-fitting part 240 of the inner ring 200. Steps may occur in the inner peripheral surface of the stepped. Due to such a step, the inner parts 200 and the wheel hubs 100 are in contact with each other while the inner ring 200 is pressed into the wheel hub 100, so that the durability of the inner wheels 200 is reduced. Problems may arise. Therefore, as shown in FIGS.
- the corner portions P5 and P6 of the outer circumferential surface of the press-fit portion 240 or the second tooth portion 230 may be curved at the portion where the step is generated.
- inner peripheral surface edge portions P7 and P8 of the wheel hub 100 may be formed to be bent.
- a radial first surface tooth 220 is formed at one end surface of the upper inner ring 200, and the joint member 600 meshes with the first surface tooth 220. It may be formed to have a second surface value 610. The transmission of the driving force from the joint member 600 to the inner ring 200 is assisted by the first surface tooth 220 and the second surface tooth 610 which are engaged with each other, thereby achieving stable power transmission.
- boundary portion formed by contact between the outer circumferential surface of the inner ring 200 and the inner circumferential surface of the wheel hub 100 may be welded to maintain a preload applied to the wheel bearing.
- the wheel hub 100 is circumferentially bounded at a boundary D between the wheel hub 100 and the inner ring 200 while pressing the wheel hub 100 in the C direction.
- the bolt 700 penetrates the wheel hub 100 and the inner ring 200 to be coupled to the fastening groove 620 of the joint member 600, thereby allowing the wheel hub 100, the inner ring 200, and the joint.
- the member 600 is more firmly coupled.
- the bolt 700 is formed such that the radius of the head 710 is larger than the hollow of the wheel hub 100 so as to be supported by the end 102 of the wheel hub 100.
- FIG. 13 is a flowchart of a method of fastening a wheel bearing according to a second embodiment of the present invention.
- the first tooth portion 110 for spline coupling is formed on a portion of the inner surface of the wheel hub 100 (S201).
- the inner ring 200 is formed to penetrate the inner circumferential surface of the wheel hub 100, but a second tooth portion spline-couples a portion of the outer circumferential surface of the inner ring 200 with the first tooth portion 110 of the wheel hub 100. It is formed to 230 (S202).
- a portion of the inner ring 200 is formed to penetrate the hollow of the wheel hub 100, and a portion of the outer circumferential surface of the penetrating portion is formed as the second tooth portion 230 so that the wheel hub is formed.
- Spline coupled to the first tooth portion 110 of the (100).
- a portion of the outer circumferential surface of the inner ring 200 passing through the wheel hub 100 except for the second tooth portion 230 is formed as a press-fit portion 240 (S203).
- FIG. 8 illustrates an example in which the second tooth portion 230 of the inner ring 200 is formed on the flange 101 side, and the press-fit unit 240 is formed on the outer ring 300 side.
- the press-in portion 240 of the inner ring 200 is formed on the flange 101 side, and the second tooth portion 230 is formed on the outer ring 300 side.
- a radial first surface tooth 220 is formed at one end surface of the inner ring 200, and a second surface tooth 610 meshing with the first surface tooth 220 is formed at the joint member 600 (S204). ).
- the first surface tooth 220 is formed along the circumference of one end surface of the inner ring 200.
- a second surface tooth 610 that is engaged with the first surface tooth 220 is formed on the surface in contact with one end surface of the inner ring 200 of the joint member 600.
- the first rolling element 410 is disposed on the outer circumferential surface of the wheel hub 100 (S205).
- the first rolling element 410 is installed between the outer circumferential surface of the wheel hub 100 and one inner circumferential surface of the outer ring 300 to facilitate relative rotation.
- the first sealing member 411 may be disposed between the outer circumferential surface of the wheel hub 100 and one inner circumferential surface of the outer ring 300.
- the first sealing member 411 may be formed as a seal having a ring shape.
- the outer ring is installed to contact the outer circumferential surface of the first rolling element 410 (S206).
- the second rolling element 420 is disposed to contact the other inner circumferential surface of the outer ring (S207).
- the second tooth portion 230 of the inner ring 200 is engaged with the first tooth portion 110 of the wheel hub 100 and press-fits the inner ring 200.
- the part 240 is pressed into the inner circumferential surface of the wheel hub 100 is coupled.
- the diameter of the inner circumferential surface of the wheel hub 100 is formed to be slightly smaller than the diameter of the outer circumferential surface of the press-fit portion 240, and the inner ring (ie) may be formed on the wheel hub 100 using a hydraulic press or the like. 200) may be press fit.
- a predetermined locking jaw (not shown) is formed on an inner circumferential surface of the wheel hub 100, and a locking protrusion (not shown) is caught on the outer circumferential surface of the press-in portion 240 of the inner ring 200. ) May be formed, the inner ring 200 may be press-fitted into the wheel hub 100.
- the second sealing member 421 may be disposed in a space between the other inner circumferential surface of the outer ring 300 and the outer circumferential surface of the inner ring 200 of the portion as the inner ring 200 is press-fitted.
- the second sealing member 421 may be a ring shaped seal.
- a boundary portion in which the other outer circumferential surface of the inner ring 200 contacts the inner circumferential surface of the wheel hub 100 may be welded from the outside (S209).
- the wheel hub 100 is welded along the circumference of the boundary portion D where the wheel hub 100 and the inner ring 200 meet. Maintain the preload applied to).
- the joint member 600 having the second surface tooth 610 meshing with the first surface tooth 220 of the inner ring 200 is mounted on the inner ring 200 (S210).
- the first surface tooth 220 and the second surface tooth 610 engaged with each other assist the transmission of the driving force from the joint member 600 to the inner ring 200, thereby providing stable power transmission. It can be realized, and thus noise can be reduced in transmitting the driving force.
- the bolt 700 passes through the hollow of the inner ring 300 and is coupled to the fastening groove 620 of the joint member 600 (S211).
- the wheel hub 100 and the inner ring 200 are fastened by fastening the hollow of the inner ring 300 to the fastening groove 620 of the joint member while the joint member and the inner ring 200 are coupled to each other. ) And the joint member more firmly combined.
- the driving force is transmitted by the first and second surface values 220 and 610 of the joint member 600 and the inner ring 200.
- the driving force may be stably transmitted.
- the inner ring 200 is installed while being applied while maintaining the preload applied to the wheel bearing by the indentation part 240 and welding, and thus the driving force can be transmitted more stably, and noise during transmission of the driving force can be reduced.
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Abstract
Description
Claims (22)
- 휠 베어링 체결 구조에 있어서,차륜에 장착하기 위한 플랜지가 형성되어 있는 휠허브;상기 휠허브의 일측에 압입되어 설치되는 중공의 내륜;상기 휠허브와 상기 내륜의 외측에 배치되는 링형상의 외륜;상기 휠허브 또는 상기 내륜과 상기 외륜 사이에 구비되는 하나 이상의 전동체; 및상기 휠허브 내주면과 상기 내륜의 내주면에 스플라인으로 결합되는 중공핀;을 포함하는 휠 베어링 체결 구조.
- 제1항에 있어서,상기 휠허브의 내주면에는 제1치형부가 형성되고, 상기 중공핀의 외주면에는 제2치형부가 형성되며, 상기 내륜의 내주면에는 제3치형부가 형성되되,상기 제2치형부는 상기 제1치형부와 제3치형부에 동시에 스플라인 결합되는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제1항 또는 2항에 있어서,상기 내륜의 일측 단면에는 방사상의 제1면치가 형성되고,상기 제1면치에 맞물리는 제2면치가 형성되어 있는 조인트부재; 및상기 중공핀을 관통하여 상기 조인트부재와 상기 휠허브를 결합시키는 볼트;를 더 포함하는 휠 베어링 체결 구조.
- 제1항 내지 제3항 중 어느 하나의 항에 있어서,상기 중공핀의 일단은 반경 외측으로 절곡되어 지지부를 형성하는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제4항에 있어서,상기 중공핀의 타단은 반경 외측으로 절곡되어 밴딩부를 형성하는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제5항에 있어서,상기 밴딩부는 오비탈 포밍(Orbital Forming) 공정으로 형성되는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제1항 내지 제6항에 있어서,상기 휠허브의 일측은 그 내주면이 반경 외측으로 단차진 단차부로 형성되고, 상기 내륜은 상기 단차부 내부로 압입되도록 축방향으로 돌출된 압입부가 형성되는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제7항에 있어서,상기 단차부의 내주면의 지름은 상기 압입부의 외주면의 지름 보다 작게 형성되는 것을 특징으로 하는 휠 베어링 체결 구조.
- 휠 베어링 체결 구조에 있어서,차륜에 장착하기 위한 플랜지가 형성되어 있는 휠허브;상기 휠허브의 내주면을 관통하여 압입되는 중공의 내륜;상기 휠허브와 상기 내륜의 외측에 배치되는 링형상의 외륜; 및상기 휠허브 또는 내륜과 상기 외륜 사이에 구비되는 하나 이상의 전동체;를 포함하고, 상기 휠허브를 관통하는 상기 내륜의 일부분은 상기 휠허브의 내주면과 스플라인 결합되는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제9항에 있어서,상기 내륜의 일측 단면에는 방사상의 제1면치가 형성되고,상기 제1면치에 맞물리는 제2면치가 형성되어 있는 조인트부재; 및상기 중공핀을 관통하여 상기 조인트부재와 상기 휠허브를 결합시키는 볼트;를 더 포함하는 휠 베어링 체결 구조.
- 제9항 또는 제10항에 있어서,상기 휠허브의 내주면에는 제1치형부가 형성되고, 상기 내륜의 일부분에는 상기 제1치형부와 스플라인 결합되는 제2치형부가 형성되며, 상기 내륜의 상기 제2치형부 외의 부분에는 상기 휠허브 내부에 압입되도록 축방향으로 돌출된 압입부가 형성되는 것을 특징으로 하는 휠 베어링 체결 구조.
- 제9항 내지 제11항 중 어느 하나의 항에 있어서,상기 내륜의 외주면과 상기 휠허브 내주면이 접촉되는 경계 부분을 용접하여 상기 휠허브에 가해진 예압이 유지되는 것을 특징으로 하는 휠 베어링 체결구조.
- 휠 베어링 체결 방법에 있어서,차륜에 장착하기 위한 플랜지가 형성되어 있는 중공의 휠허브의 일측 내주면에 반경 외측으로 단차진 단차부를 형성하는 단계;상기 단차부 내부로 압입되도록 축방향으로 돌출된 압입부를 내륜에 형성하는 단계;상기 휠허브의 내주면에 제1치형부를 형성하고, 상기 휠허브와 상기 내륜에 삽입되는 중공핀의 외주면에 제2치형부를 형성하며, 상기 내륜의 내주면에 제3치형부를 형성하는 단계;상기 압입부를 상기 단차부 내부로 압입하여 상기 내륜을 상기 휠허브에 결합하는 단계; 및상기 제2치형부가 상기 제1치형부와 상기 제3치형부에 동시에 스플라인 결합되도록 상기 중공핀을 상기 휠허브와 상기 내륜에 삽입하는 단계;를 포함하는 휠 베어링 체결 방법.
- 제13항에 있어서,상기 내륜의 일측 단면에 방사상의 제1면치를 형성하고, 상기 제1면치에 맞물리는 제2면치를 조인트부재에 형성하는 단계;상기 제1면치와 상기 제2면치가 결합되도록 상기 조인트부재를 상기 내륜에 장착하는 단계; 및볼트를 상기 중공핀을 관통하여 상기 조인트부재의 체결홈에 결합시키는 단계;를 더 포함하는 휠 베어링 체결 방법.
- 제13항 또는 제14항에 있어서,상기 휠허브의 외주면에 제1 전동체를 배치하는 단계;상기 제1전동체의 외주면과 접촉되도록 외륜을 설치하는 단계; 및상기 외륜의 내주면과 접촉되도록 제2 전동체를 배치하는 단계;를 더 포함하는 것을 특징으로 하는 휠 베어링 체결 방법.
- 제13항 내지 제15항에 있어서,상기 중공핀의 일단은 반경 외측으로 절곡되어 지지부를 형성하는 것을 특징으로 하는 휠 베어링 체결 방법.
- 제16항에 있어서,상기 중공핀의 타단은 반경 외측으로 절곡되어 밴딩부를 형성하는 것을 특징으로 하는 휠 베어링 체결 방법.
- 제13항 내지 제17항 중 어느 하나의 항에 있어서,상기 단차부의 내주면의 지름은 상기 압입부의 외주면의 지름 보다 작게 형성하는 것을 특징으로 하는 휠 베어링 체결 방법.
- 휠 베어링 체결 방법에 있어서,차륜에 장착하기 위한 플랜지가 형성되어 있는 중공의 휠허브 내주면의 일부분에 제1치형부를 형성하는 단계;상기 휠허브를 관통하도록 내륜을 형성하되 상기 내륜의 일부분에 상기 제1치형부와 스플라인 결합하는 제2치형부를 형성하는 단계;상기 휠허브의 내부에 압입되도록 상기 내륜의 일부분에 축방향으로 돌출된 압입부를 형성하는 단계; 및상기 압입부를 상기 휠허브에 압입하고 상기 제1치형부와 상기 제2치형부를 스플라인 결합하여 상기 내륜과 상기 휠허브를 조립하는 단계;를 포함하는 휠 베어링 체결 방법.
- 제19항에 있어서,상기 내륜의 일측 단면에 방사상의 제1면치를 형성하고, 상기 제1면치에 맞물리는 제2면치를 조인트부재에 형성하는 단계;상기 제1면치와 상기 제2면치가 결합되도록 상기 조인트부재를 상기 내륜에 장착하는 단계; 및볼트를 상기 내륜의 중공을 관통하여 상기 조인트부재의 체결홈에 결합시키는 단계;를 더 포함하는 휠 베어링 체결 방법.
- 제19항 또는 제20항에 있어서,상기 휠허브의 외주면에 제1 전동체를 배치하는 단계;상기 제1전동체의 외주면과 접촉되도록 외륜을 설치하는 단계; 및상기 외륜의 내주면과 접촉되도록 제2 전동체를 배치하는 단계;를 더 포함하는 것을 특징으로 하는 휠 베어링 체결 방법.
- 제19항 내지 제21항 중 어느 하나의 항에 있어서,상기 휠허브를 상기 내륜에 가압한 상태에서 상기 상기 내륜의 외주면과 상기 휠허브의 내주면이 접촉되는 경계 부분을 용접하여 상기 휠허브에 가해진 예압을 유지시키는 단계;를 더 포함하는 것을 특징으로 하는 휠 베어링 체결 방법.
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KR1020147026513A KR101699710B1 (ko) | 2012-04-06 | 2012-04-06 | 휠 베어링 체결 구조 및 체결 방법 |
EP12873772.3A EP2835272A4 (en) | 2012-04-06 | 2012-04-06 | Structure and method for coupling wheel bearings |
US14/388,417 US9636946B2 (en) | 2012-04-06 | 2012-04-06 | Structure and method for coupling wheel bearings |
CN201280072166.3A CN104245355A (zh) | 2012-04-06 | 2012-04-06 | 用于联接车轮轴承的结构和方法 |
PCT/KR2012/002621 WO2013151195A1 (ko) | 2012-04-06 | 2012-04-06 | 휠 베어링 체결 구조 및 체결 방법 |
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EP (1) | EP2835272A4 (ko) |
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CN107042390A (zh) * | 2017-03-06 | 2017-08-15 | 宝鸡上渝精机轴承有限公司 | 钛合金轴承回填工艺 |
EP3135499A4 (en) * | 2014-04-23 | 2018-01-24 | Iljin Global Co., Ltd. | Driving wheel bearing and method for manufacturing same |
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ITTO20130023A1 (it) * | 2013-01-11 | 2014-07-12 | Skf Ab | Unità mozzo di peso leggero con anelli di cuscinetto integrati, e procedimento per la sua fabbricazione |
ITTO20130027A1 (it) * | 2013-01-11 | 2014-07-12 | Skf Ab | Unità mozzo di peso leggero con anelli di cuscinetto integrati, e procedimenti per la sua fabbricazione |
DE102015105324A1 (de) * | 2015-04-08 | 2016-10-13 | Ujet Vehicles S.À.R.L. | Motorgetriebenes Fahrzeug, insbesondere Zweirad-Fahrzeug |
JP6759918B2 (ja) * | 2016-09-16 | 2020-09-23 | 株式会社ジェイテクト | ハブユニットの製造方法 |
KR102091149B1 (ko) * | 2018-03-23 | 2020-03-19 | 주식회사 일진글로벌 | 휠 허브 및 이를 포함하는 휠 베어링 |
DE102018116568A1 (de) | 2018-07-09 | 2020-01-09 | ILJIN Bearing GmbH | Baugruppe enthaltend eine Radnabe und einen Adapter sowie Adapter für eine solche Baugruppe |
CN109185354A (zh) * | 2018-11-27 | 2019-01-11 | 泰尔重工股份有限公司 | 一种联轴器 |
CN109926796A (zh) * | 2018-12-31 | 2019-06-25 | 陕西航宇有色金属加工有限公司 | 一种tc6钛合金刚轮壳及其加工方法 |
CN109483180B (zh) * | 2019-01-08 | 2021-06-08 | 湖北新火炬科技有限公司 | 一种轮毂轴承花键加工工艺 |
CN111677749A (zh) * | 2020-06-30 | 2020-09-18 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | 花键定位双列角接触球轴承 |
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Also Published As
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KR20140141598A (ko) | 2014-12-10 |
EP2835272A4 (en) | 2017-06-28 |
CN104245355A (zh) | 2014-12-24 |
US20150054334A1 (en) | 2015-02-26 |
US9636946B2 (en) | 2017-05-02 |
EP2835272A1 (en) | 2015-02-11 |
KR101699710B1 (ko) | 2017-01-25 |
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