CN214221779U

CN214221779U - Automobile steering knuckle bearing

Info

Publication number: CN214221779U
Application number: CN202120212246.0U
Authority: CN
Inventors: 张朝辉
Original assignee: Xiangyang 669 Bearing Co ltd
Current assignee: Xiangyang 669 Bearing Co ltd
Priority date: 2021-01-26
Filing date: 2021-01-26
Publication date: 2021-09-17
Anticipated expiration: 2031-01-26

Abstract

The utility model relates to a bearing technical field especially relates to an automobile steering knuckle bearing, including bearing shell, bearing inner circle, bearing upper cover, bearing lower cover and cylindrical roller, bearing shell and bearing upper cover pass through the jump ring and connect, and bearing shell one end inner wall is provided with the first annular groove that is used for fixed jump ring, and bearing upper cover outer wall is provided with the second annular groove that is used for fixed jump ring, the roller axis with the bearing shell axis sets up perpendicularly. During the equipment, bearing upper cover and bearing lower cover are connected fixedly with bearing housing through jump ring and spacing platform of annular respectively, make things convenient for the equipment of bearing, are favorable to the bearing to bear changeable load, and the roller adopts cylindrically to be favorable to the processing of bearing. The knuckle bearing adopting the structure has the advantages of simple structure, convenience in processing and installation, capability of bearing vibration load and prolonged service life.

Description

Automobile steering knuckle bearing

Technical Field

The utility model relates to a bearing technical field especially relates to an automobile steering knuckle bearing.

Background

Under the driving state of an automobile, the working environment is severe, and a steering knuckle bearing needs to bear vibration load caused by a complex road surface, so that the steering knuckle bearing is required to bear variable and larger load. In the prior art, the knuckle bearing has the disadvantages of short service life, inconvenient assembly, poor load bearing capacity and difficulty in meeting the actual use requirements, in addition, the roller in the knuckle bearing adopts a truncated cone-shaped roller, the bearing upper cover or the bearing lower cover of the bearing needs to be provided with a roller path matched with the truncated cone-shaped roller, and meanwhile, a tool withdrawal groove or a transition arc needs to be arranged to avoid stress concentration in processing, so that the processing procedure of the bearing upper cover or the bearing lower cover is complicated and the qualification rate is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, and provide a reasonable in design, the knuckle bearing of convenient processing.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an automobile steering knuckle bearing, includes bearing housing and bearing inner race, bearing housing with top-down has set gradually bearing upper cover, roller, bearing lower cover between the bearing inner race, the bearing upper cover pass through the jump ring with bearing housing connects, bearing housing one end inner wall is provided with and is used for fixing the first annular groove of jump ring, bearing upper cover outer wall is provided with and is used for fixing the second annular groove of jump ring, bearing housing other end inner wall is provided with and is used for the restriction the annular spacing platform of bearing lower cover, the roller is cylindrical, the roller axis with the bearing housing axis sets up perpendicularly.

As a further aspect of the present invention, the bearing inner race one end with the bearing upper cover inboard contacts, the other end with the bearing lower cover contacts.

As a further aspect of the present invention, the inner diameter of the bearing inner race is equal to the inner diameter of the bearing upper cover and the inner diameter of the bearing lower cover.

As a further aspect of the present invention, the outer wall of the bearing lower cover is provided with an annular step that matches the limit table.

As a further aspect of the present invention, the bearing housing is provided with an oil injection hole.

As a further proposal of the utility model, the bearing inner race is provided with a plurality of circular tank filler sleeve along the circumferencial direction.

As a further proposal of the utility model, the inner wall of the bearing upper cover is provided with an O-shaped sealing ring.

As a further proposal of the utility model, the bearing lower cover inner wall is provided with a sealing ring O-shaped sealing ring.

The utility model has the advantages that: the bearing lower cover and the bearing upper cover are respectively positioned and fixed with the bearing shell through the annular limiting table and the clamp spring, so that the bearing is convenient to assemble, and the bearing is favorable for bearing variable vibration loads; additionally the utility model discloses well roller adopts cylindrical roller, can reduce the manufacturing procedure of bearing upper cover and bearing lower cover, improves bearing quality and life. The utility model discloses simple structure, easy to assemble, the processing of being convenient for improves the life of production efficiency and bearing.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a partially enlarged view of fig. 1.

Description of reference numerals:

1-bearing shell, 2-bearing upper cover, 3-bearing inner ring, 4-bearing lower cover, 5-roller, 6-snap spring, 71-first annular groove, 72-second annular groove, 8-limit table, 9-step table, 10-O-shaped sealing ring, 11-oil filler hole, 12-oil filler hole.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.

As shown in fig. 1, the schematic structural diagram of this embodiment, a knuckle bearing for an automobile, is installed by first installing a bearing lower cover 4, the step 9 is clamped on the limit table 8 of the bearing shell 1, the limit table 8 of the bearing shell 1 can wrap the step 9 to prevent external impurities from entering the bearing shell 1, then a bearing inner ring 3 and a cylindrical roller 5 are installed, the axis of the roller 5 is perpendicular to the axis of the bearing shell 1, namely the end surfaces of the bearing upper cover 2 and the bearing lower cover 4 which are contacted with the roller 5 are both flat surfaces, so that the processing is convenient, and then the clamp spring 6 is clamped in a first annular groove 71 of the bearing shell 1 and a second annular groove 72 of the bearing upper cover 2, so that the bearing shell 1 and the bearing upper cover 2 are fixed, and the relative position deviation of the bearing shell 1 and the bearing upper cover 2 under the action of vibration load is prevented.

The utility model discloses in spacing platform 8 with bearing housing 1 is integrated into one piece, halfpace 9 with 4 integrated into one piece of bearing lower cover, convenient processing reduces the installation procedure.

The bearing shell 1 is provided with the oil filling hole 11, so that lubricating oil or lubricating grease can be added into the bearing in time from the oil filling hole 11 in the using process, and the service life of the bearing is prolonged.

The bearing inner race 3 is provided with a plurality of circular tank filler openings 12 along the circumferencial direction, and the automobile steering knuckle bearing of this kind of mode adopts, and the swizzle axle needs to set up the fuel filler channel corresponding with tank filler opening 12, adds lubricating oil or lubricating grease through the fuel filler channel of swizzle axle when facilitating the use, does not need to dismantle the condition under to the bearing lubrication, improves the life of bearing.

The inner wall of the bearing upper cover 2 is provided with an O-shaped sealing ring 10, the inner wall of the bearing lower cover 4 is provided with the O-shaped sealing ring 10, foreign matters can be prevented from entering the bearing from a gap between the bearing inner ring and the steering knuckle main pin, and meanwhile, lubricating oil or lubricating grease is prevented from leaking.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides an automobile steering knuckle bearing which characterized in that: including bearing housing (1) and bearing inner race (3), bearing housing (1) with top-down has set gradually bearing upper cover (2), roller (5), bearing lower cover (4) between bearing inner race (3), bearing upper cover (2) through jump ring (6) with bearing housing (1) is connected, bearing housing (1) one end inner wall is provided with and is used for fixing first annular groove (71) of jump ring (6), bearing upper cover (2) outer wall is provided with and is used for fixing second annular groove (72) of jump ring (6), bearing housing (1) other end inner wall is provided with and is used for the restriction annular spacing platform (8) of bearing lower cover (4), roller (5) are cylindrical, roller (5) axis with bearing housing (1) axis sets up perpendicularly.

2. The knuckle bearing for automobiles according to claim 1, wherein: one end of the bearing inner ring (3) is in contact with the inner side of the bearing upper cover (2), and the other end of the bearing inner ring is in contact with the bearing lower cover (4).

3. The knuckle bearing for automobiles according to claim 1, wherein: the inner diameter of the bearing inner ring (3) is equal to the inner diameters of the bearing upper cover (2) and the bearing lower cover (4).

4. The knuckle bearing for automobiles according to claim 1, wherein: the outer wall of the bearing lower cover (4) is provided with an annular step (9) matched with the limiting table (8).

5. The knuckle bearing for automobiles according to claim 1, wherein: an oil filling hole (11) is formed in the outer circular surface of the bearing shell (1).

6. The knuckle bearing for automobiles according to claim 1, wherein: the bearing inner ring (3) is provided with a plurality of circular oil filling holes (12) along the circumferential direction.

7. The knuckle bearing for automobiles according to claim 1, wherein: an O-shaped sealing ring (10) is arranged on the inner wall of the bearing upper cover (2).

8. The knuckle bearing for automobiles according to claim 1, wherein: and an O-shaped sealing ring (10) is arranged on the inner wall of the bearing lower cover (4).