CN214698785U

CN214698785U - High-bearing intelligent automobile hub bearing unit

Info

Publication number: CN214698785U
Application number: CN202120847121.5U
Authority: CN
Inventors: 肖旭; 毛小伟
Original assignee: Hangzhou Baolijia Car Axletree Corp
Current assignee: Hangzhou Baolijia Car Axletree Corp
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-11-12
Anticipated expiration: 2031-04-23

Abstract

The utility model belongs to the technical field of the wheel hub bearing, especially, for high intelligent car wheel hub bearing unit that bears, including the flange, long inner circle and short inner circle have been cup jointed respectively to the surface of flange, and one side that short inner circle was kept away from to sealing assembly's surface bonds and has the outer lane, and between outer lane and the long inner circle and between outer lane and the short inner circle equal roll mounting has a roller, and the ring gear has been cup jointed to one side that the surface of long outer lane is close to the outer lane, and one side that the flange is close to long inner circle is fixed with protruding circle, and one side that long outer lane was kept away from to the medial surface of flange is provided with the heavy groove. The utility model discloses a set up protruding circle, through the protruding circle of punching press, make protruding circle block the side of long inner circle, make short inner circle and long inner circle fixed on the flange, than install additional welding spare, the intensity of this kind of structure is higher, and is not fragile, through setting up the heavy groove, the cooperation of corresponding abrupt circle on heavy groove and the axle housing makes the flange more inseparable with being connected of axle housing, has improved wheel hub's bearing capacity.

Description

High-bearing intelligent automobile hub bearing unit

Technical Field

The utility model relates to a wheel hub bearing technical field specifically is high intelligent automobile wheel hub bearing unit that bears.

Background

The automobile hub unit is used for bearing and providing accurate guide for rotation of a hub, bears axial load and radial load and is an important part. The automobile hub unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates two sets of bearings, has the advantages of good assembly performance, capability of omitting clearance adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease for sealing the bearings in advance, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, and has the tendency of gradually expanding application in trucks.

There are the following problems:

1. current automobile wheel hub bearing unit uses the welding piece welding on the flange, makes the inner circle fixed on the flange, but intensity is high inadequately, damages easily.

2. In the current automobile hub bearing unit, the connection between a flange and an axle housing is not tight enough, so that the bearing capacity of a hub is not high enough.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a high intelligent car wheel hub bearing unit that bears has solved and has fixed the mode intensity that the inner circle was on the flange with the welding piece high inadequately and the inseparable problem of being connected of flange and axle housing.

In order to achieve the above object, the utility model provides a following technical scheme: high intelligent automobile wheel hub bearing unit that bears, including the flange, long inner circle and short inner circle have been cup jointed respectively to the surface of flange, the surface of long inner circle and short inner circle all bonds and has seal assembly, seal assembly includes the lock ring and supports and lean on the circle, one side that short inner circle was kept away from to seal assembly's surface bonds and has the outer lane, equal roll mounting has the roller between outer lane and the long inner circle and between outer lane and the short inner circle, the ring gear has been cup jointed to one side that the surface of long inner circle is close to the outer lane, one side that the flange is close to long inner circle is fixed with the bulge loop, one side that long inner circle was kept away from to the medial surface of flange is provided with the heavy groove, the medial surface of flange is close to one side screw thread installation bolt of outer lane, the inner wall joint of flange has the bearing.

As an optimal technical scheme of the utility model, the medial surface of flange is close to the rear end face joint of bearing has the retaining ring, the surface joint of outer lane has O type circle.

As a preferred technical scheme of the utility model, the medial surface of outer lane is provided with through-hole and screw hole respectively, the quantity of bolt and screw hole is four groups.

As an optimal technical scheme of the utility model, the material of retaining ring, seal assembly and O type circle is butadiene acrylonitrile rubber, the roller is that annular array distributes between outer lane and long inner circle.

As an optimal technical scheme of the utility model, the surface of roller is provided with the holder, the quantity of seal assembly, roller and holder is two sets of.

As an optimized technical scheme of the utility model, the material of long inner circle, short inner circle and roller is GCr15 high-carbon chromium bearing steel, the vertical cross-section of lock ring is L shape.

Compared with the prior art, the utility model provides a high intelligent car wheel hub bearing unit that bears possesses following beneficial effect:

1. this intelligent car wheel hub bearing unit of high bearing capacity through setting up the protruding circle, through the protruding circle of punching press, makes the protruding circle block the side of long inner circle, makes short inner circle and long inner circle fixed on the flange, compares and installs the welding spare additional, and the intensity of this kind of structure is higher, and is not fragile.

2. This intelligent car wheel hub bearing unit that bears high, through setting up heavy groove, the protruding circle cooperation that corresponds on heavy groove and the axle housing makes the flange inseparabler with being connected of axle housing, has improved wheel hub's bearing capacity.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the flange of the present invention;

fig. 3 is a schematic view of the utility model of leaning against the ring.

In the figure: 1. a flange; 2. a long inner ring; 3. a short inner ring; 4. a seal assembly; 5. a support ring; 6. an abutment ring; 7. an outer ring; 8. a roller; 9. a ring gear; 10. a convex ring; 11. sinking a groove; 12. a bolt; 13. a bearing; 14. a retainer ring; 15. an O-shaped ring; 16. a through hole; 17. a threaded hole; 18. a cage.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-3, the present invention provides the following technical solutions: high intelligent automobile wheel hub bearing unit that bears, including flange 1, long inner circle 2 and short inner circle 3 have been cup jointed respectively to the surface of flange 1, long inner circle 2 has all bonded seal assembly 4 with the surface of short inner circle 3, seal assembly 4 includes lock ring 5 and supports and lean on circle 6, one side that short inner circle 3 was kept away from to seal assembly 4's surface bonds has outer lane 7, between outer lane 7 and the long inner circle 2 and between outer lane 7 and the short inner circle 3 equal roll mounting have roller 8, one side that long inner circle 2's surface is close to outer lane 7 has cup jointed ring 9, one side that flange 1 is close to long inner circle 2 is fixed with protruding circle 10, one side that long inner circle 2 was kept away from to flange 1's medial surface is provided with heavy groove 11, bolt 12 is installed to one side screw thread that flange 1's medial surface is close to outer lane 7, flange 1's inner wall joint has bearing 13.

In this embodiment, seal assembly 4 seals up the gap between outer lane 7 and long inner circle 2 and the short inner circle 3, prevent that lubricating oil from leaking, after this device assembles, can punching press protruding circle 10, make protruding circle 10 block the side of long inner circle 2, make short inner circle 3 and long inner circle 2 fixed on flange 1, contrast at present at the 2 outside additional weld spares of long inner circle, the intensity of this kind of structure is higher, it is not fragile, the protruding circle cooperation that corresponds on heavy groove 11 and the axle housing, make flange 1 inseparabler with being connected of axle housing, the bearing capacity of wheel hub unit has been improved, bearing 13 is used for installing the brake disc.

Specifically, the inner side surface of the flange 1 is clamped with a retainer ring 14 close to the rear end surface of the bearing 13, and the outer surface of the outer ring 7 is clamped with an O-shaped ring 15.

In this embodiment, the retainer ring 14 prevents the bearing 13 from slipping axially on the inner wall of the flange 1, and the O-ring 15 makes the outer ring 7 and the roller 8 contact more closely, so as to prevent the outer ring 7 from shaking due to a gap between the roller 8 and the outer ring 7.

Specifically, the inner side surface of the outer ring 7 is provided with a through hole 16 and a threaded hole 17, and the number of the bolts 12 and the number of the threaded holes 17 are four.

In this embodiment, through-hole 16 is used for the installation sensor, thereby can measure the rotational speed of wheel hub through the rotational speed that detects ring gear 9, and is more intelligent, and screw hole 17 is used for installing calliper, and bolt 12 is used for installing flange 1 on the axle housing spindle nose.

Specifically, the retainer ring 14, the sealing assembly 4 and the O-shaped ring 15 are all made of nitrile rubber, and the rollers 8 are distributed between the outer ring 7 and the long inner ring 2 in an annular array.

In the embodiment, the nitrile rubber has better oil resistance, wear resistance and heat resistance, so that the service lives of the check ring 14, the sealing assembly 4 and the O-shaped ring 15 are longer.

Specifically, the outer surface of the roller 8 is provided with a retainer 18, and the number of the sealing assemblies 4, the rollers 8 and the retainer 18 is two.

In this embodiment, the cages 18 space each roller 8 apart to prevent friction between the rollers 8, thirty-eight rollers per set of rollers 8, and thirty-eight cages 18 per set of cages 18.

Specifically, the long inner ring 2, the short inner ring 3 and the roller 8 are all made of GCr15 high-carbon chromium bearing steel, and the vertical section of the support ring 5 is L-shaped.

In the embodiment, the GCr15 high-carbon chromium bearing steel is used for growing the inner ring 2, the short inner ring 3 and the roller 8, so that the bearing ring has higher hardness, uniform structure, good wear resistance and higher contact fatigue performance, is not easy to damage and longer in service life, the abutting ring 6 can abut against the support ring 5 and form elastic extrusion, and the situation that oil leakage is caused by slippage between the abutting ring 6 and the support ring 5 is not easy to occur.

The utility model discloses a theory of operation and use flow: during the installation, overlap long inner circle 2 and short inner circle 3 on flange 1, then punching press protruding circle 10, make protruding circle 10 block the side of long inner circle 2, make short inner circle 3 and long inner circle 2 fixed on flange 1, than installing the welding spare additional, the intensity of this kind of structure is higher, it is not fragile, install flange 1 on the axle housing through bolt 12, heavy groove 11 on the flange 1 cooperates with the protruding circle that corresponds on the axle housing, make flange 1 more inseparable with being connected of axle housing, the bearing capacity of wheel hub unit has been improved, during the use, axle in the axle housing transmits the moment of torsion for flange 1, flange 1 drives long inner circle 2, make ring gear 9 rotate, the sensor in the through-hole 16 detects the rotational speed of ring gear 9, thereby measure wheel hub's rotational speed automatically, it is comparatively intelligent.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. High intelligent car wheel hub bearing unit that bears, including flange (1), its characterized in that: the outer surface of the flange (1) is respectively sleeved with a long inner ring (2) and a short inner ring (3), the outer surfaces of the long inner ring (2) and the short inner ring (3) are respectively bonded with a sealing assembly (4), each sealing assembly (4) comprises a support ring (5) and a support ring (6), one side, far away from the short inner ring (3), of the outer surface of each sealing assembly (4) is bonded with an outer ring (7), rollers (8) are respectively installed between each outer ring (7) and the long inner ring (2) and between each outer ring (7) and the short inner ring (3) in a rolling manner, one side, close to the outer ring (7), of the outer surface of each long inner ring (2) is sleeved with a gear ring (9), one side, close to the long inner ring (2), of the flange (1) is fixed with a convex ring (10), one side, far away from the long inner ring (2), of the inner side of the flange (1) is provided with a sunken groove (11), one side, close to the outer ring (7), of the flange (1) is provided with a bolt (12) in a threaded manner, the inner wall of the flange (1) is clamped with a bearing (13).

2. High-load capacity intelligent automotive hub bearing unit according to claim 1, characterized in that: the rear end face joint that the medial surface of flange (1) is close to bearing (13) has retaining ring (14), the surface joint of outer lane (7) has O type circle (15).

3. High-load capacity intelligent automotive hub bearing unit according to claim 1, characterized in that: the inner side surface of the outer ring (7) is provided with through holes (16) and threaded holes (17) respectively, and the number of the bolts (12) and the number of the threaded holes (17) are four.

4. High-load capacity intelligent automotive hub bearing unit according to claim 2, characterized in that: the retainer ring (14), the sealing assembly (4) and the O-shaped ring (15) are all made of nitrile rubber, and the rollers (8) are distributed between the outer ring (7) and the long inner ring (2) in an annular array.

5. High-load capacity intelligent automotive hub bearing unit according to claim 1, characterized in that: the outer surface of the roller (8) is provided with a retainer (18), and the number of the sealing assemblies (4), the rollers (8) and the retainer (18) is two.

6. High-load capacity intelligent automotive hub bearing unit according to claim 1, characterized in that: the long inner ring (2), the short inner ring (3) and the roller (8) are all made of GCr15 high-carbon chromium bearing steel, and the vertical section of the support ring (5) is L-shaped.