CN212838994U

CN212838994U - A firm structure for automobile wheel hub bearing

Info

Publication number: CN212838994U
Application number: CN202021871333.9U
Authority: CN
Inventors: 李炫霖; 王宏伟
Original assignee: Tianjin Rijin Automobile System Co ltd
Current assignee: Tianjin Rijin Automobile System Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-03-30
Anticipated expiration: 2030-09-01

Abstract

The application discloses a stable structure for an automobile hub bearing, which comprises a fixed sleeve and a balance structure; the balance structure is fixedly connected with the outer side edge of one end of the fixed sleeve through the connecting ring; one end of the fixing sleeve, which is far away from the balance structure, is provided with a connecting port along the axial direction of the fixing sleeve, and the other end of the fixing sleeve is provided with a fixing port; the connecting port and the fixing port are coaxial and are communicated with each other; the balance structure comprises a balance disc and a balance ring; the balance disc and the balance ring are both circular; the shaft axis of the balance disc and the shaft axis of the balance ring are coincided with the shaft axis of the fixed sleeve; the ring width of the balance disc is larger than that of the balance ring; the balance disc is fixedly connected with the balance ring through a connecting ring. The stabilizing structure for the automobile hub bearing improves the stabilizing effect of the hub bearing, prolongs the service life of the hub bearing and effectively prevents the transmission shaft nut from loosening.

Description

A firm structure for automobile wheel hub bearing

Technical Field

The application relates to the technical field of hub bearings, in particular to a stabilizing structure for an automobile hub bearing.

Background

The automobile hub bearing is one of key parts of an automobile, is connected with an automobile transmission shaft and an automobile hub, provides accurate guide for the rotation of the hub while bearing load, requires stable and safe connection at the joint of the transmission shaft and the hub bearing, and requires no looseness at the joint in the normal advancing and steering processes; meanwhile, when the automobile runs, the hub bearing rotates at a high speed, and a part of the up-and-down jolt caused by the automobile is still transmitted to the hub bearing after passing through the damping system, so that the rotation of the hub bearing is not stable, and the loss of the hub bearing is increased.

Disclosure of Invention

In view of the above-mentioned defect or not enough among the prior art, it is desirable to provide a firm structure for automobile wheel hub bearing that promotes wheel hub bearing stabilizing effect, increases wheel hub bearing life, effectively prevents that the transmission shaft nut is not hard up.

The application provides a stable structure for an automobile hub bearing, which comprises a fixed sleeve and a balance structure; the balance structure is fixedly connected with the outer side edge of one end of the fixed sleeve through the connecting ring; one end of the fixing sleeve, which is far away from the balance structure, is provided with a connecting port along the axial direction of the fixing sleeve, and the other end of the fixing sleeve is provided with a fixing port; the connecting port and the fixing port are coaxial and are communicated with each other;

the balance structure comprises a balance disc and a balance ring; the balance disc and the balance ring are both circular; the shaft axis of the balance disc and the shaft axis of the balance ring are coincided with the shaft axis of the fixed sleeve; the ring width of the balance disc is larger than that of the balance ring; the balance disc is fixedly connected with the balance ring through a connecting ring.

Preferably, the ring width of the balance disc is 2-3 cm, and the ring width of the balance ring is 1-1.5 cm.

Preferably, one side of the fixing port, which is far away from the connecting port, is provided with an annular limiting groove; a limiting plate is detachably arranged in the annular limiting groove.

Preferably, the fixing sleeve and the balance structure are integrally formed.

Compared with the prior art, the beneficial effects of this application are:

(1) the application discloses a stable structure for an automobile hub bearing, wherein one end, away from a fixing port, of a fixing sleeve can be fixedly connected to an outer ring of the hub bearing, the axial leads are overlapped, but the ring width of a balance disc is larger than that of a balance ring, the balance disc, the balance ring and the fixing sleeve are combined together to form a conical gyroscope shape, and through a stable principle of the conical gyroscope during high-speed rotation, the stable degree of the hub bearing during high-speed rotation is greatly improved, the stability of the whole structure is improved, and the loss of the hub bearing is reduced;

(2) this application carries out the axial spacingly to the transmission shaft nut through setting up the limiting plate, can reduce the axial shake range when the high-speed rotation of transmission shaft, and the restriction compresses tightly the effect simultaneously and also acts on wheel hub bearing radial load, has improved wheel hub bearing pivoted stability.

It should be understood that what is described in this summary section is not intended to limit key or critical features of the embodiments of the application, nor is it intended to limit the scope of the application. Other features of the present application will become apparent from the following description.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

fig. 1 is a schematic cross-sectional structure view of a stabilizing structure for an automobile hub bearing according to an embodiment of the present disclosure;

fig. 2 is a schematic cross-sectional view of the balance structure of fig. 1.

Reference numbers in the figures: 1. fixing a sleeve; 2. an annular limiting groove; 3. a balance structure; 4. a connecting ring; 5. a limiting plate; 6. a connecting port; 7. a fixed port; 31. a balance disc; 32. a balance ring; 33. and (7) connecting rings.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant application and are not limiting of the application. It should be noted that, for the convenience of description, only the portions relevant to the application are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, an embodiment of the present application provides a stabilizing structure for an automobile hub bearing, including a fixing sleeve 1 and a balancing structure 3; the balance structure 3 is fixedly connected with the outer edge of one end of the fixed sleeve 1 through a connecting ring 4; one end of the fixed sleeve 1, which is far away from the balance structure 3, is provided with a connecting port 6 along the axial direction thereof, and the other end is provided with a fixed port 7; the connecting port 6 and the fixing port 7 are coaxial and are communicated with each other;

the balance structure 3 comprises a balance disc 31 and a balance ring 32; the balance disc 31 and the balance ring 32 are both circular, and the axial lead of the balance disc 31 and the axial lead of the balance ring 32 are both superposed with the axial lead of the fixed sleeve 1; the ring width of the balance disc 31 is larger than that of the balance ring 32; the balance disc 31 is fixedly connected with the balance ring 32 through a connecting ring 33.

In this embodiment, the end of the fixing sleeve 1 away from the fixing opening 7 can be fixedly connected to the outer ring of the hub bearing to form a whole with the hub bearing, and the hub bearing rotates at a high speed to drive the stabilizing structure to rotate together, so that the rotation of the stabilizing structure can make the rotation of the hub bearing more stable.

In a preferred embodiment, the width of the balance disc 31 is 2-3 cm, and the width of the balance ring 32 is 1-1.5 cm.

Referring to fig. 2, in this embodiment, the axial lines are coincident, but the ring width of the balance disk 31 is larger than that of the balance ring 32, the balance disk 31, the balance ring 32 and the fixing sleeve 1 are combined together to form a conical gyroscope, and by using the principle of stabilization when the gyroscope rotates at a high speed, the stability of the hub bearing during high-speed rotation is greatly improved, the stability of the overall structure is improved, and the loss of the hub bearing is reduced.

In a preferred embodiment, one side of the fixing port 7, which is far away from the connecting port 6, is provided with an annular limiting groove 2; a limiting plate 5 is detachably arranged in the annular limiting groove 2.

Referring to fig. 1, in this embodiment, the limiting plate 5 can limit the movement of the transmission shaft nut, so as to press the transmission shaft nut, and the transmission shaft will not loosen when the hub bearing moves.

In a preferred embodiment, the retaining sleeve 1 and the balancing structure 3 are formed in one piece.

Referring to fig. 1, in the embodiment, the integral stable structure is integrally formed, so that unstable rotation caused by uneven welding points is avoided.

In the description of the present specification, the terms "connect", "mount", "fix", and the like are to be understood in a broad sense, for example, "connect" may be a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In the description of the present application, the description of the terms "one embodiment," "some embodiments," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stable structure for an automobile hub bearing is characterized by comprising a fixed sleeve and a balance structure; the balance structure is fixedly connected with the outer side edge of one end of the fixed sleeve through a connecting ring; one end of the fixed sleeve, which is far away from the balance structure, is provided with a connecting port along the axial direction of the fixed sleeve, and the other end of the fixed sleeve is provided with a fixed port; the connecting port and the fixing port are coaxial and are communicated with each other;

2. The stabilizing structure for the automobile hub bearing according to claim 1, wherein the width of the balance disc is 2-3 cm, and the width of the balance ring is 1-1.5 cm.

3. The stabilizing structure for the automobile hub bearing according to claim 2, wherein an annular limiting groove is formed in one side, away from the connecting port, of the fixing port; and a limiting plate is detachably arranged in the annular limiting groove.

4. A stabilizing structure for an automobile hub bearing according to claim 3, wherein the fixing sleeve and the balancing structure are integrally formed.