CN113464567B - Hub bearing with spline shielding structure - Google Patents

Hub bearing with spline shielding structure Download PDF

Info

Publication number
CN113464567B
CN113464567B CN202110830462.6A CN202110830462A CN113464567B CN 113464567 B CN113464567 B CN 113464567B CN 202110830462 A CN202110830462 A CN 202110830462A CN 113464567 B CN113464567 B CN 113464567B
Authority
CN
China
Prior art keywords
flange
shielding
ring
spline
inner circle
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.)
Active
Application number
CN202110830462.6A
Other languages
Chinese (zh)
Other versions
CN113464567A (en
Inventor
胡晟
胡世雄
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.)
Shanghai C&U Group Co Ltd
C&U Co Ltd
Original Assignee
Shanghai C&U Group Co Ltd
C&U 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 Shanghai C&U Group Co Ltd, C&U Co Ltd filed Critical Shanghai C&U Group Co Ltd
Priority to CN202110830462.6A priority Critical patent/CN113464567B/en
Publication of CN113464567A publication Critical patent/CN113464567A/en
Application granted granted Critical
Publication of CN113464567B publication Critical patent/CN113464567B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0073—Hubs characterised by sealing means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0078—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
    • 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
    • F16C33/581—Raceways; Race rings integral with other parts, e.g. with housings or machine elements such as shafts or gear wheels
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/768—Sealings of ball or roller bearings between relatively stationary parts, i.e. static seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
    • F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
    • F16C33/7823—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region of sealing lips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/021—Sealings between relatively-stationary surfaces with elastic packing
    • F16J15/022—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material
    • F16J15/024—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity
    • F16J15/025—Sealings between relatively-stationary surfaces with elastic packing characterised by structure or material the packing being locally weakened in order to increase elasticity and with at least one flexible lip
    • 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
    • F16C2226/70—Positive connections with complementary interlocking parts
    • F16C2226/76—Positive connections with complementary interlocking parts with tongue and groove or key and slot
    • F16C2226/78—Positive connections with complementary interlocking parts with tongue and groove or key and slot of jigsaw-puzzle type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Of Bearings (AREA)

Abstract

The invention discloses a hub bearing with a spline shielding structure, which comprises a rotary connector and a flange inner ring, flange outer lane and connection inner circle, be provided with the rolling element between flange inner circle and the flange outer lane and between connection inner circle and the flange outer lane, the swivelling joint head is formed with the location arch towards the one end of flange inner circle, flange inner circle inner wall is provided with the constant head tank, protruding and constant head tank clearance fit in location, flange inner circle terminal surface sets up to the toper face, the equipartition has the connection tooth on the toper face, the swivelling joint head tip is formed with the conflict face, be provided with the latch on the conflict face, connection tooth and latch joint, conflict face and swivelling joint head edge are connected through transition inclined plane, be provided with first retaining ring between flange outer lane and the connection inner circle, first retaining ring extends to the connection tooth and has shelters from the lip, first retaining ring is protruding including hiding, it sets up between transition inclined plane and toper face to hide the arch. The structure is compact, the installation precision is high, the power transmission is stable, and the sealing effect is good.

Description

Hub bearing with spline shielding structure
Technical Field
The invention relates to the technical field of hub bearings.
Background
The hub bearings of the drive wheels are typically connected to the vehicle drive element, i.e. the ball cage shaft, using pairs of internal and external splines to effect the transfer of vehicle power. Traditional wheel hub bearing connected mode is provided with longer spline usually, and difficult processing and assembly are more difficult to and because the difficulty of processing assembly makes wearing and tearing appear more easily in the use, influences overall structure's life, and can appear the clearance usually between ball cage axle and the wheel hub bearing at the vehicle operation in-process, makes vehicle driving element and wheel hub for the axis of rotation disalignment, produces easily and starts abnormal sound, power transmission inequality scheduling problem.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the hub bearing with the spline shielding structure, which has the advantages of compact structure, lower overall mass and weight, high installation precision, stable power transmission and good sealing effect.
In order to achieve the purpose, the invention provides a hub bearing with a spline shielding structure, which comprises a rotary connector, a flange inner ring, a flange outer ring and a connecting inner ring, wherein a first rolling groove is formed between the outer wall of the flange inner ring and the flange outer ring, a positioning step is further formed on the flange inner ring, the connecting inner ring is clamped with the positioning step, a second rolling groove is formed between the outer wall of the connecting inner ring and the flange outer ring, rolling bodies are arranged in the first rolling groove and the second rolling groove, a positioning bulge is formed at one end of the rotary connector facing the flange inner ring, a positioning groove is formed on the inner wall of the flange inner ring, the positioning bulge is in clearance fit with the positioning groove, the contact surface of the flange inner ring and the rotary connector is a conical surface, a plurality of connecting teeth are uniformly distributed on the conical surface, and a contact surface matched with the conical surface is formed at the end part of the rotary connector, be provided with a plurality of latches on the conflict face, connect tooth and latch joint setting, connect through transition inclined plane between conflict face and the swivelling joint head edge, transition inclined plane is set up towards the direction slope of keeping away from the toper face by the conflict, be provided with first sealing ring between flange outer lane and the connection inner circle, first sealing ring has the sheltering from lip to connecting tooth extension, first sealing ring is still protruding including hiding, it sets up between transition inclined plane and toper face to hide the arch, it sets up outside hiding the arch to shelter from the lip cladding.
The beneficial effect who so sets up is: with this arrangement, the spline contact surface can be tightened with a higher torque than in the conventional paired internal spline connection. The tooth surface of the connecting tooth is set to be a conical surface, so that a larger meshing area can be brought, and the transmission efficiency is higher. Further extension line of connecting tooth and latch meshing department tooth all hands over on the bearing axis, can greatly increase its self-centering performance, make whole higher with rotary joint cooperation precision, can eliminate the abnormal sound problem that traditional internal spline appears easily, the pitch circle diameter of connecting the tooth as preferred is equivalent with the rotary joint diameter, and compare with traditional internal spline, rotary joint's dabber is shorter, holistic quality is lighter, be favorable to reducing the vehicle quality, improve vehicle driveability, simultaneously because the quality is lighter, help improving vehicle fuel economy. Meanwhile, the spline structure of the connecting teeth is simpler, the assembly difficulty is simplified, and the connecting teeth are easier to maintain. Simultaneously, the positioning bulge is matched with the positioning groove, so that the installation and positioning of the integral structure are facilitated, the structure is simple, the production and processing efficiency is improved, and the using effect of the integral structure is effectively improved. And still be provided with first sealing ring, first sealing ring extends to the coupling tooth simultaneously has the shading lip, through sealed design like this, avoids muddy water and foreign matter to invade the junction of coupling tooth. Simultaneously first sealing ring still can be through hiding protruding structure, can be so that overall structure's installation is more stable, and difficult the emergence is come off for have better uniformity in the use, be difficult for skidding, simple structure does benefit to the realization simultaneously, effectively improves overall structure's result of use.
As a further arrangement of the invention, the connecting teeth are connected with the inner wall of the inner ring of the flange through smooth arc-shaped surfaces, and the arc-shaped surfaces are gradually narrowed from the direction close to the inner wall of the inner ring of the flange to the direction far away from the inner wall of the inner ring of the flange.
The beneficial effect who so sets up is: set up like this, have guide positioning's effect when making whole equipment through the arcwall face, improve production machining efficiency, simple structure is convenient for production and processing simultaneously.
As a further arrangement of the invention, a connecting convex rib and a connecting groove are arranged between the positioning bulge and the positioning groove, and the connecting convex rib is in splicing fit with the connecting groove.
The beneficial effect who so sets up is: set up like this for flange inner circle is more stable with being connected of swivelling joint head, and the transmission is more high-efficient, and simple structure does benefit to the realization simultaneously.
As a further arrangement of the invention, an isolation groove is formed between the positioning bulge and the latch.
The beneficial effect who so sets up is: set up like this, through the isolation groove structure, can help the control of flank of tooth processing cutter, simultaneously, can effectively avoid the interference that appears when assembling with flange inner circle location arch, receive the load in-process in the operation simultaneously, can effectively reduce the stress concentration that produces after the atress, effectively improve overall structure's result of use and stability in use.
As a further arrangement of the invention, the first sealing retainer ring comprises a first framework and a second framework, the first framework is fixed on the inner wall of the flange outer ring, a first sealing sleeve is arranged outside the first framework, the second framework comprises a shielding part, a connecting part and a covering part, the shielding part, the connecting part and the covering part are sequentially connected, the connecting part is fixedly arranged on the outer wall of the connecting inner ring, the shielding part is arranged between the flange outer ring and the connecting inner ring and is bent towards the first framework, a second sealing sleeve is formed on the shielding part, a plurality of sealing lips extend towards the second sealing sleeve by the first sealing sleeve, the sealing lips are abutted against the second sealing sleeve, the covering part extends towards the connecting teeth, the covering protrusion is arranged on the covering part, and the covering lips are arranged outside the covering part in a covering manner.
The beneficial effect who so sets up is: set up like this, simple structure shelters from effectually, can prevent that outside impurity from getting into between inner circle and the outer lane, simultaneously through hiding the portion, can effectively shelter from the hookup location between flange inner circle and the swivelling joint head, and bulk strength is higher, covers more stably, and the position of sheltering from the lip is also more stable, avoids outside impurity to get into, and simple structure does benefit to the realization simultaneously, effectively improves overall structure's result of use.
As a further provision of the invention, the cover portion is arranged along a rim connecting the inner ring and the flange inner ring.
The beneficial effect who so sets up is: set up like this for cover portion can be better paste establish whole wheel hub bearing external structure on, thereby guarantee sealed effect, simple structure does benefit to the realization simultaneously, improves overall structure's stability in use.
As a further arrangement of the invention, a positioning compression ring is arranged on the rotary connecting head corresponding to the latch, one end of the positioning compression ring is fixedly connected with the rotary connecting head, and the other end of the positioning compression ring is abutted against the shielding lip.
The beneficial effect who so sets up is: set up like this, further improve the sealed effect of sealing retainer ring, improve sealed stability for it is better to shelter from the effect, makes outside impurity be difficult for getting into and connects between tooth and the latch, improves whole result of use.
As a further arrangement of the invention, one end of the positioning compression ring, which abuts against the shielding lip, is provided with an abutting envelope, and the abutting envelope abuts against the shielding lip.
The beneficial effect who so sets up is: set up like this, can further improve sealed stability for it is better to shelter from the effect, makes outside impurity be difficult for getting into and connects between tooth and the latch, improves whole result of use.
As a further arrangement of the present invention, a second sealing retainer ring is disposed between the flange outer ring and the flange inner ring.
The beneficial effect who so sets up is: the sealing effect of the whole structure is guaranteed by the arrangement, and meanwhile, the sealing device is simple in structure and has a good using effect.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of the position of the gasket in an embodiment of the present invention;
FIG. 3 is a front view of an inner ring of a flange in an embodiment of the present invention.
Detailed Description
An embodiment of the hub bearing with a spline shielding structure of the present invention is shown in fig. 1 to 3: the flange inner ring structure comprises a rotary connector 4, a flange inner ring 1, a flange outer ring 2 and a connecting inner ring 3, wherein a first rolling groove is formed between the outer wall of the flange inner ring 1 and the flange outer ring 2, a positioning step is further formed on the flange inner ring 1, the connecting inner ring 3 is clamped with the positioning step, a second rolling groove is formed between the outer wall of the connecting inner ring 3 and the flange outer ring 2, rolling bodies 5 are arranged in the first rolling groove and the second rolling groove, a positioning bulge 43 is formed at one end of the rotary connector 4 facing the flange inner ring 1, a positioning groove is formed in the inner wall of the flange inner ring 1, the positioning bulge 43 is in clearance fit with the positioning groove, the contact surface of the flange inner ring 1 and the rotary connector 4 is set to be a conical surface 11, a plurality of connecting teeth 12 are uniformly distributed on the conical surface 11, and a collision surface 41 matched with the conical surface 11 is formed at the end part of the rotary connector 4, be provided with a plurality of latches on conflict face 41, connect tooth 12 and latch joint setting, connect through transition inclined plane 42 between 4 edges of conflict face 41 and swivelling joint head, transition inclined plane 42 is set up to the direction slope of keeping away from conflict face 41 by conflict face 41, flange outer lane 2 and be provided with first sealing ring between being connected the inner circle 3, first sealing ring has sheltered from lip 732 to connecting tooth 12 extension, first sealing ring is still including hiding protruding 731, it sets up between transition inclined plane 42 and conflict face 41 to hide protruding 731, it sets up outside hiding protruding 731 to shelter from the lip 732 cladding. The beneficial effect who so sets up is: with this arrangement, the spline contact surface can be tightened with a higher torque than in the conventional paired internal spline connection. The tooth surfaces of the connecting teeth 12 are arranged to be conical surfaces, so that a larger meshing area can be brought, and the transmission efficiency is higher. Further extension line of connecting tooth 12 and latch meshing department tooth all hands over on the bearing axis, can greatly increase its from centering performance, make whole higher with rotary joint cooperation precision, can eliminate the abnormal sound problem that traditional internal spline appears easily, the pitch circle diameter of connecting tooth 12 as preferred is equivalent with the rotary joint diameter, and compare with traditional internal spline, rotary joint's dabber is shorter, holistic quality is lighter, be favorable to reducing the vehicle quality, improve vehicle driveability, simultaneously because the quality is lighter, help improving vehicle fuel economy. Meanwhile, the spline structure of the connecting teeth 12 is simpler, the assembly difficulty is simplified, and the maintenance is easier. Simultaneously, the positioning bulge 43 is matched with the positioning groove, so that the mounting and positioning of the integral structure are facilitated, the structure is simple, the production and processing efficiency is improved, and the using effect of the integral structure is effectively improved. And a first sealing retaining ring is also arranged, and a shielding lip 732 extends towards the connecting tooth 12, so that the sealing design can prevent muddy water and foreign matters from entering the connecting part of the connecting tooth 12. Simultaneously first sealing retainer ring is still through hiding protruding 731 structure, can be so that overall structure's installation is more stable, and difficult the emergence is fallen for have better uniformity in the use, be difficult for skidding, simple structure does benefit to the realization simultaneously, effectively improves overall structure's result of use.
As a further arrangement of the present invention, the connecting teeth 12 are connected with the inner wall of the flange inner ring 1 through a smooth arc-shaped surface 121, and the arc-shaped surface 121 is gradually narrowed from the direction close to the inner wall of the flange inner ring 1 to the direction far from the inner wall of the flange inner ring 1. The beneficial effect who so sets up is: set up like this, have guide positioning's effect when making whole equipment through arcwall face 121, improve production machining efficiency, simple structure is convenient for production and processing simultaneously.
As a further arrangement of the present invention, a connecting convex rib and a connecting groove are arranged between the positioning protrusion 43 and the positioning groove, and the connecting convex rib and the connecting groove are in inserting fit. The beneficial effect who so sets up is: set up like this for flange inner circle 1 is more stable with being connected of swivelling joint head 4, and the transmission is more high-efficient, and simple structure does benefit to the realization simultaneously.
As a further arrangement of the present invention, a separation groove 44 is formed between the positioning projection 43 and the latch. The beneficial effect who so sets up is: set up like this, through the isolation groove 44 structure, can help the control of flank of tooth processing cutter, simultaneously, can effectively avoid the interference that appears when protruding 43 assembles with flange inner circle 1 location, receive the load in-process in the operation simultaneously, can effectively reduce the stress concentration that produces after the atress, effectively improve overall structure's result of use and stability in use.
As a further arrangement of the present invention, the first sealing retainer ring includes a first framework 6 and a second framework, the first framework 6 is fixed on the inner wall of the flange outer ring 2, the first sealing sleeve 61 is arranged outside the first framework 6, the second framework includes a shielding portion 71, a connecting portion 72 and a covering portion 73, the shielding portion 71, the connecting portion 72 and the covering portion 73 are sequentially connected, the connecting portion 72 is fixedly arranged on the outer wall of the connecting inner ring 3, the shielding portion 71 is arranged between the flange outer ring 2 and the connecting inner ring 3 and is bent towards the first framework 6, the shielding portion 71 is formed with a second sealing sleeve 711, the first sealing sleeve 61 extends towards the second sealing sleeve 711 and is provided with a plurality of sealing lips, the sealing lips are abutted against the second sealing sleeve 711, the covering portion 73 extends towards the connecting teeth 12, the covering protrusion 731 is arranged on the covering portion 73, the shielding lip 732 is provided so as to cover the cover portion 73. The beneficial effect who so sets up is: set up like this, simple structure shelters from effectually, can prevent that outside impurity from getting into between inner circle and the outer lane, simultaneously through hiding portion 73, can effectively shelter from the hookup location between flange inner circle 1 and the swivelling joint head 4, and bulk strength is higher, hides more stably, and the position of sheltering from lip 732 is also more stable, avoids outside impurity to get into, and simple structure does benefit to the realization simultaneously, effectively improves overall structure's result of use.
As a further development of the invention, the cover portion 73 is arranged along the edge connecting the inner ring 3 and the flange inner ring 1. The beneficial effect who so sets up is: set up like this for cover portion 73 can be better paste establish whole wheel hub bearing outer structure on, thereby guarantee sealed effect, simple structure does benefit to the realization simultaneously, improves overall structure's stability in use.
As a further arrangement of the present invention, a positioning pressing ring 45 is disposed on the rotary connector 4 at a position corresponding to the latch, one end of the positioning pressing ring 45 is fixedly connected with the rotary connector 4, and the other end of the positioning pressing ring is abutted against the shielding lip 732. The beneficial effect who so sets up is: set up like this, further improve the sealed effect of sealing retainer ring, improve sealed stability for it is better to shelter from the effect, makes outside impurity be difficult for getting into between connection tooth 12 and the latch, improves whole result of use.
As a further arrangement of the present invention, an abutting sleeve 46 is provided at one end of the positioning press ring 45 abutting against the shielding lip 732, and the abutting sleeve 46 abuts against the shielding lip 732. The beneficial effect who so sets up is: set up like this, can further improve sealed stability for it is better to shelter from the effect, makes outside impurity be difficult for getting into between connection tooth 12 and the latch, improves whole result of use.
As a further arrangement of the present invention, a second sealing retainer ring 8 is disposed between the flange outer ring 2 and the flange inner ring 1. The beneficial effect who so sets up is: the sealing effect of the whole structure is guaranteed by the arrangement, and meanwhile, the sealing device is simple in structure and has a good using effect.
The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims (9)

1. The utility model provides a wheel hub bearing with spline shields structure, includes swivelling joint head, flange inner circle, flange outer lane and connects the inner circle, be provided with first slot rolling between flange inner circle outer wall and the flange outer lane, still be formed with the location step on the flange inner circle, it sets up with location step joint to connect the inner circle, be formed with the second slot rolling between connection inner circle outer wall and the flange outer lane, be provided with rolling element, its characterized in that in first slot rolling and the second slot rolling: the flange inner ring is characterized in that a positioning bulge is formed at one end of the rotary connector facing the flange inner ring, a positioning groove is formed in the inner wall of the flange inner ring, the positioning bulge is in clearance fit with the positioning groove, a contact surface between the flange inner ring and the rotary connector is set to be a conical surface, a plurality of connecting teeth are uniformly distributed on the conical surface, an abutting surface matched with the conical surface is formed at the end part of the rotary connector, a plurality of clamping teeth are arranged on the abutting surface, the connecting teeth are clamped with the clamping teeth, the abutting surface is connected with the edge of the rotary connector through a transition inclined surface, the transition inclined surface is obliquely arranged from the abutting surface to the direction far away from the conical surface, a first sealing retainer ring is arranged between the flange outer ring and the connecting inner ring, a shielding lip extends towards the connecting teeth, the first sealing retainer ring further comprises a shielding bulge, and the shielding bulge is arranged between the transition inclined surface and the conical surface, the shielding lip is arranged outside the shielding protrusion in a covering mode.
2. The hub bearing with spline shielding structure of claim 1, wherein: the connecting teeth are connected with the inner wall of the flange inner ring through smooth arc-shaped surfaces, and the arc-shaped surfaces are gradually narrowed from the direction close to the inner wall of the flange inner ring to the direction far away from the inner wall of the flange inner ring.
3. A hub bearing with a spline shield according to claim 1 or 2, wherein: the positioning device is characterized in that a connecting convex rib and a connecting groove are arranged between the positioning protrusion and the positioning groove, and the connecting convex rib is in inserting fit with the connecting groove.
4. The hub bearing with spline shielding structure of claim 3, wherein: an isolation groove is formed between the positioning protrusion and the clamping tooth.
5. The hub bearing with spline shielding structure of claim 1, wherein: first sealing retainer ring includes first skeleton and second skeleton, first skeleton is fixed on flange outer lane inner wall, first skeleton is provided with first seal cover outward, the second skeleton includes shielding portion, connecting portion and cover portion, shielding portion, connecting portion and cover portion connect gradually the setting, connecting portion are fixed to be set up on connecting the inner circle outer wall, shielding portion sets up between flange outer lane and connection inner circle and to the setting of buckling of first skeleton, be formed with the second seal cover in the shielding portion, first seal cover has a plurality of seal lips to the extension of second seal cover, the seal lip is contradicted and is set up on the second seal cover, cover portion extends the setting to connecting the tooth, cover protruding setting on cover portion, it sets up outside the cover portion to shelter from the lip cladding.
6. The hub bearing with spline shielding structure of claim 5, wherein: the covering portion is arranged along the edge of the connecting inner ring and the flange inner ring.
7. The hub bearing with spline shielding structure of claim 6, wherein: the rotary connector is provided with a positioning compression ring corresponding to the latch, one end of the positioning compression ring is fixedly connected with the rotary connector, and the other end of the positioning compression ring is abutted to the shielding lip.
8. The hub bearing with spline shielding structure of claim 7, wherein: the positioning compression ring is abutted against one end of the shielding lip and is provided with an abutting envelope, and the abutting envelope is abutted against the shielding lip.
9. The hub bearing with spline shielding structure of claim 1, wherein: and a second sealing retainer ring is arranged between the flange outer ring and the flange inner ring.
CN202110830462.6A 2021-07-22 2021-07-22 Hub bearing with spline shielding structure Active CN113464567B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110830462.6A CN113464567B (en) 2021-07-22 2021-07-22 Hub bearing with spline shielding structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110830462.6A CN113464567B (en) 2021-07-22 2021-07-22 Hub bearing with spline shielding structure

Publications (2)

Publication Number Publication Date
CN113464567A CN113464567A (en) 2021-10-01
CN113464567B true CN113464567B (en) 2022-05-10

Family

ID=77881841

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110830462.6A Active CN113464567B (en) 2021-07-22 2021-07-22 Hub bearing with spline shielding structure

Country Status (1)

Country Link
CN (1) CN113464567B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114654939B (en) * 2022-03-28 2023-08-25 人本股份有限公司 Power transmission device with end face tooth parts connected
FR3138486A1 (en) * 2022-07-27 2024-02-02 Ntn-Snr Roulements Static seal and drive wheel hub assembly incorporating it

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1425177A1 (en) * 1962-10-16 1969-01-02 Ziller Dr Ing E H Hans Roller bearing seal with a grinding ring made of rubber or the like.
CN205663738U (en) * 2016-06-08 2016-10-26 嘉兴福可吉精密机械有限公司 Rivet compact wheel hub bearing unit soon
CN206309771U (en) * 2016-12-20 2017-07-07 杭州亚恒汽车零部件有限公司 A kind of automobile hub bearing
CN206478117U (en) * 2017-02-28 2017-09-08 新昌县开源汽车轴承有限公司 A kind of agricultural machinery hub bearing with radiator structure
CN206972759U (en) * 2017-07-21 2018-02-06 人本集团有限公司 Automobile hub bearing
CN207297648U (en) * 2017-10-17 2018-05-01 人本集团有限公司 Three generations's hub bearing outer sealing device
CN209053943U (en) * 2018-08-27 2019-07-02 人本集团有限公司 Hub bearing contact seal coil structures
CN215370635U (en) * 2021-07-22 2021-12-31 人本股份有限公司 Hub bearing with spline shielding structure
CN215634458U (en) * 2021-07-22 2022-01-25 人本股份有限公司 Hub bearing with splines

Also Published As

Publication number Publication date
CN113464567A (en) 2021-10-01

Similar Documents

Publication Publication Date Title
CN113464567B (en) Hub bearing with spline shielding structure
JP6320695B2 (en) Wheel bearing device and assembly method thereof
JP2013230753A (en) Bearing device for wheel
CN210686698U (en) Hub bearing
CN104245355A (en) Structure and method for coupling wheel bearings
CN215370635U (en) Hub bearing with spline shielding structure
US4784441A (en) Protective boot supporting sleeve for universal joint in wheel assembly
CN215634458U (en) Hub bearing with splines
US9636945B2 (en) Bearing device for wheel
CN215567348U (en) Hub bearing with end face spline
CN215110122U (en) Sealing retainer ring structure for hub bearing
CN211202874U (en) Automobile semi-axle dustproof structure
CN211449638U (en) Shield constructs seal structure and hobbing cutter of quick-witted hobbing cutter suitable for freezing worker method
CN214661572U (en) Novel hub bearing and driving shaft connecting structure
CN211145130U (en) Labyrinth glued composite dust cover
CN212377235U (en) Main gear and differential shell integrated welding differential mechanism
CN217935299U (en) Motor output end sealing structure
CN215567347U (en) Hub bearing with axial splines
CN209398752U (en) Transmission shaft connecting structure
CN221683435U (en) Hub bearing and driving shaft connection structure
CN221003760U (en) Universal joint cross shaft head sealing structure and universal joint cross shaft
CN216922884U (en) Inner diameter three-lip adhesive dust cover and outer diameter three-lip adhesive dust cover composite structure
CN218000155U (en) Maintenance-free hub bearing
CN219086916U (en) Waterproof structure of output shaft sleeve of rear wiper motor
CN112224154B (en) Steering transmission shaft device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant