CN210686657U

CN210686657U - Wear-resisting long-life automobile wheel hub bearing

Info

Publication number: CN210686657U
Application number: CN201921605387.8U
Authority: CN
Inventors: 陈小平
Original assignee: Liping Bearing Factory Dashiju Town Xinchang County
Current assignee: Liping Bearing Factory Dashiju Town Xinchang County
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-05
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a wear-resisting high life's automobile wheel hub bearing belongs to automobile wheel hub bearing technical field. The utility model provides a wear-resisting high life's automobile wheel hub bearing, includes outer lane and inner circle, and the installation cavity is seted up to the outer lane is inside, and the installation cavity inboard is rotated with the inner circle outside and is connected, and the inner circle outside is close to the edge symmetry and has seted up two mounting grooves, and the inboard both ends of mounting groove all are provided with fillet C, and still install the runner assembly in the mounting groove. The utility model reduces the positive pressure of the bearing in the operation by arranging two trapezoidal structure rotating grooves and a rotating component which is rotationally connected with the trapezoidal structure rotating grooves in the installation cavity at the inner side of the outer ring; a protective frame is arranged outside the inner ring, and the pressure on the bearing is uniformly distributed by utilizing a rotating body with a cylindrical structure; and the rotating ball on the inner side of the protective frame increases the rotating force, so that the bearing rotates more stably. The utility model discloses still be provided with a plurality of fillets, reduce the front friction between the metal.

Description

Wear-resisting long-life automobile wheel hub bearing

Technical Field

The utility model relates to an automobile wheel hub bearing technical field, more specifically say, relate to a wear-resisting high life's automobile wheel hub bearing.

Background

In the installation process of the automobile steering knuckle assembly, firstly, a hub bearing is pressed into a steering knuckle through a press machine, then a flange plate is pressed into the bearing, and the end face of an inner ring of the hub bearing is matched with the end face of the flange plate; and then the brake disc housing, the brake disc and the brake caliper are sequentially mounted on the knuckle. After the assembly of the steering knuckle assembly is completed, the driving shaft is inserted into the central hole of the flange plate, and the steering knuckle assembly is locked on the driving shaft by using the locking nut, so that the end face of the driving shaft is matched with the end face of the inner ring of the hub bearing. Automobile wheel hub bearing is mostly generally double-row angular contact ball bearing, and it includes nested inner circle and the outer lane of arranging to and locate rolling element and holder between inner circle and the outer lane. For convenient assembly and prevent that the right and left wheel hub bearing from loading by mistake, the automobile wheel hub bearing does not divide openly and reverse side, and this kind of structure leads to the area of automobile wheel hub bearing inner circle terminal surface less, and automobile wheel hub bearing inner circle terminal surface chamfer is single fillet, and single fillet causes wheel hub bearing inner circle terminal surface and ring flange terminal surface area of contact and all less with drive bearing terminal surface area of contact easily, leads to the stress concentration problem to appear. In view of this, we propose a wear-resisting automobile wheel hub bearing with long service life.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a wear-resisting high life's automobile wheel hub bearing to solve the problem that proposes in the above-mentioned background art:

(1) the problem that the existing automobile hub bearing is low in wear resistance and service life.

2. Technical scheme

The utility model provides a wear-resisting high life's automobile wheel hub bearing, includes outer lane and inner circle, the abrasionproof decorative pattern has been seted up to the outer lane leading flank, the inside installation cavity of seting up of outer lane, the installation cavity inboard rotates with the inner circle outside to be connected, the inner circle outside is close to the edge symmetry and has seted up two mounting grooves, the inboard both ends of mounting groove all are provided with fillet C, just the runner assembly is still installed in the mounting groove.

Preferably, the inner side caliber of the outer ring is symmetrically provided with two limiting bulges, the limiting bulges and the outer ring are of an integrally formed structure, and the outer sides of the limiting bulges are provided with fillets A.

Preferably, the installation cavity includes two rotation grooves, the rotation groove sets up in the inboard edge of outer lane, the rotation groove is the trapezium structure, just the rotation groove outer end inclined plane rotates with the runner assembly outside to be connected, and two be provided with the oil trap between the rotation groove, the oil trap sets up in the inboard middle part of outer lane.

Preferably, all be provided with the strengthening rib around the inner circle, the strengthening rib is the integrated into one piece structure with the inner circle, the strengthening rib outside rotates with spacing protruding inboard to be connected the oil storage tank has been seted up at inner circle outside middle part, it has lubricating grease to fill between oil storage tank and the oil trap.

Preferably, the rotating assembly comprises a protection frame, round corners B are arranged on two sides of the inner end of the protection frame, arc grooves are formed in the outer side of the protection frame, a plurality of rotating bodies which are arranged in an annular equidistant mode are arranged in the arc grooves, the rotating bodies are of cylindrical structures and are connected with the inner walls of the arc grooves in a rotating mode through rotating shafts, and the outer sides of the rotating bodies are in rotating contact with the inclined planes of the outer ends of the rotating grooves.

Preferably, a spherical groove is formed in the inner side of the protection frame, a plurality of rotary beads which are arranged in an annular and equidistant mode are arranged in the spherical groove, and the size of each rotary bead is matched with the size of an annular space formed by the spherical groove and the spherical groove in the bottom surface of the mounting groove in a closed mode.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

the utility model reduces the positive pressure of the bearing in the operation by arranging two trapezoidal structure rotating grooves and a rotating component which is rotationally connected with the trapezoidal structure rotating grooves in the installation cavity at the inner side of the outer ring; a protective frame is arranged outside the inner ring, and the pressure on the bearing is uniformly distributed by utilizing a rotating body with a cylindrical structure; and the rotating ball on the inner side of the protective frame increases the rotating force, so that the bearing rotates more stably. The utility model discloses still be provided with a plurality of fillets, reduce the front friction between the metal.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic sectional view of the overall structure of the present invention;

FIG. 3 is a schematic sectional view of the structure of the middle outer ring of the present invention;

fig. 4 is a schematic sectional view of the inner ring and the connection structure thereof.

The reference numbers in the figures illustrate: 1. an outer ring; 101. anti-abrasion patterns; 102. a limiting bulge; 103. a fillet A; 2. a mounting cavity; 201. a rotating groove; 202. an oil sump; 3. an inner ring; 301. reinforcing ribs; 302. an oil storage tank; 4. mounting grooves; 401. a fillet C; 5. a rotating assembly; 501. a protection frame; 502. an arc-shaped groove; 503. a rotating body; 504. a spherical groove; 505. rotating the beads; 506. and (4) round corners B.

Detailed Description

The drawings in the embodiments of the present invention will be combined; the technical scheme in the embodiment of the utility model is clearly and completely described; obviously; the described embodiments are only some of the embodiments of the present invention; rather than all embodiments. Based on the embodiment of the utility model; all other embodiments obtained by a person skilled in the art without making any inventive step; all belong to the protection scope of the utility model.

Referring to fig. 1-3, the present invention provides a technical solution:

the utility model provides a wear-resisting high life's automobile wheel hub bearing, includes outer lane 1 and inner circle 3, and abrasionproof decorative pattern 101 has been seted up to 1 leading flank in outer lane, and 1 inside installation cavity 2 of seting up in outer lane, 2 inboard and 3 outside rotations of inner circle of installation cavity are connected, and 3 outsides of inner circle are close to the edge symmetry and have seted up two mounting grooves 4, and the inboard both ends of mounting groove 4 all are provided with reducing wear's fillet C401, and still install runner assembly 5 in the mounting groove 4.

Two limiting bulges 102 are symmetrically arranged on the inner side of the outer ring 1 in the caliber mode, the limiting bulges 102 and the outer ring 1 are of an integrally formed structure, the integrally formed structure is more stable, and a fillet A103 for reducing abrasion is arranged on the outer side of each limiting bulge 102.

Installation cavity 2 includes two rotation grooves 201, rotates groove 201 and sets up in 1 inboard edge in outer lane, rotates groove 201 and is the trapezium structure, and rotates groove 201 outer end inclined plane and the 5 outside rotations of runner assembly and be connected to be provided with oil sump 202 between two rotation grooves 201, oil sump 202 sets up in 1 inboard middle part in outer lane.

The side all is provided with the strengthening rib 301 that increases firmly around the inner circle 3, and strengthening rib 301 and inner circle 3 are the integrated into one piece structure, and integrated into one piece is more stable, and the strengthening rib 301 outside rotates with spacing arch 102 is inboard to be connected to oil storage tank 302 has been seted up at 3 outside middle parts of inner circle, and it has lubricating grease, increase of service life to fill between oil storage tank 302 and the oil trap 202.

The rotating assembly 5 comprises a protection frame 501, both sides of the inner end of the protection frame 501 are provided with fillets B506 reducing abrasion, arc grooves 502 are formed in the outer side of the protection frame 501, a plurality of rotating bodies 503 which are arranged at equal intervals in an annular mode are arranged in the arc grooves 502, pressure is large due to the fact that the outer side of each rotating body 503 is provided with a cylindrical structure, pressure is large due to the fact that the outer side of each rotating body 503 is connected with the inner wall of the arc groove 502 in a rotating mode through a rotating shaft, and the outer side of each rotating body 503 is in rotating contact with the inclined surface of.

The inner side of the protection frame 501 is provided with a spherical groove 504, a plurality of rotary beads 505 which are annularly arranged at equal intervals are arranged in the spherical groove 504, and the size of the rotary beads 505 is matched with the size of an annular space formed by the spherical groove 504 and a ball groove on the bottom surface of the mounting groove 4 in a closed manner, so that the rotary beads 505 can rotate between the protection frame 501 and the inner ring 3 conveniently.

The utility model relates to an automobile hub bearing with wear resistance and long service life, which reduces the positive pressure of the bearing in operation by arranging two trapezoidal-structure rotating grooves 201 in an installation cavity 2 at the inner side of an outer ring 1 and a rotating assembly 5 rotationally connected with the trapezoidal-structure rotating grooves 201 because of the problems of low wear resistance and short service life of the existing automobile hub bearing; a protective frame 501 is arranged on the outer side of the inner ring 3, and the pressure applied to the bearing is distributed by using a rotating body 503 with a cylindrical structure, so that the traditional mode that the pressure is concentrated to one point by adopting a ball rotation mode is avoided; and the rotating force is increased by the rotating balls 505 at the inner side of the protection frame 501, so that the bearing rotates more stably. The utility model discloses still be provided with a plurality of fillets. Reducing frontal friction between the metals.

The above; is only a preferred embodiment of the present invention; however, the scope of protection of the present invention is not limited thereto; any person skilled in the art is within the technical scope of the present disclosure; according to the technical scheme of the utility model and the improvement conception, equivalent substitution or change is carried out; are all covered by the protection scope of the utility model. Furthermore, the word "comprising" does not exclude other elements or steps, and the word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. Several of the elements recited in the product claims may also be implemented by one element in software or hardware. The terms first, second, etc. are used to denote names, but not any particular order.

Claims

1. The utility model provides a wear-resisting high life's automobile wheel hub bearing, includes outer lane (1) and inner circle (3), its characterized in that: abrasionproof decorative pattern (101) have been seted up to outer lane (1) leading flank, installation cavity (2) are seted up to outer lane (1) inside, installation cavity (2) inboard is rotated with inner circle (3) outside and is connected, inner circle (3) outside is close to the edge symmetry and has been seted up two mounting grooves (4), mounting groove (4) inboard both ends all are provided with fillet C (401), just rotating assembly (5) still are installed in mounting groove (4).

2. The automobile hub bearing with wear resistance and long service life according to claim 1, characterized in that: the inner side caliber of the outer ring (1) is symmetrically provided with two limiting bulges (102), the limiting bulges (102) and the outer ring (1) are of an integrally formed structure, and the outer side of each limiting bulge (102) is provided with a fillet A (103).

3. The automobile hub bearing with wear resistance and long service life according to claim 1, characterized in that: installation cavity (2) include two rotation grooves (201), rotation groove (201) set up in outer lane (1) inboard edge, rotation groove (201) are the trapezium structure, just rotation groove (201) outer end inclined plane rotates with runner assembly (5) outside to be connected, and two be provided with oil trap (202) between rotation groove (201), oil trap (202) set up in outer lane (1) inboard middle part.

4. The automobile hub bearing with wear resistance and long service life according to claim 1, characterized in that: the side all is provided with strengthening rib (301) around inner circle (3), strengthening rib (301) and inner circle (3) are the integrated into one piece structure, the strengthening rib (301) outside is connected with spacing protruding (102) inboard rotation, and oil storage tank (302) have been seted up at inner circle (3) outside middle part, it has lubricating grease to fill between oil storage tank (302) and oil trap (202).

5. The automobile hub bearing with wear resistance and long service life according to claim 1, characterized in that: rotating assembly (5) are including fender bracket (501), fender bracket (501) inner both sides all are provided with fillet B (506), and arc recess (502) have been seted up in fender bracket (501) outside, be provided with a plurality of rotor (503) that are the equidistant range of annular in arc recess (502), rotor (503) are cylindric structure, just rotor (503) rotate with arc recess (502) inner wall through the pivot and are connected, rotor (503) outside and rotation groove (201) outer end inclined plane rotate the contact.

6. The automobile hub bearing with wear resistance and long service life according to claim 5, is characterized in that: spherical grooves (504) are formed in the inner sides of the protection frames (501), a plurality of rotary beads (505) which are arranged in an annular and equidistant mode are arranged in the spherical grooves (504), and the size of each rotary bead (505) is matched with the size of an annular space formed by the spherical grooves (504) and the bottom surface ball grooves of the mounting groove (4) in a closed mode.