Knuckle and hub bearing mounting structure and vehicle

Abstract

The utility model discloses a steering knuckle and hub bearing mounting structure, which comprises a hub bearing and a steering knuckle, the steering knuckle is provided with a first contact surface, the hub bearing is provided with a second contact surface contacted with the first contact surface, and the first contact surface or the second contact surface is provided with a concave feature. According to the mounting structure for the steering knuckle and the hub bearing, the hub bearing and the cast aluminum steering knuckle are in contact in a local matching mode through the concave characteristic, and abnormal sound generated during steering can be eliminated. The utility model further discloses a vehicle.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of automobile parts, specifically, the utility model relates to a knuckle and wheel hub bearing mounting structure and vehicle. BACKGROUND

[0002] In the prior art automobile steering system, the wheel hub bearing is matched with the knuckle through press fitting, the wheel hub is connected with the wheel, and functions such as driving and steering are realized. Abnormal noise is generated when the vehicle is turning in place, and the abnormal noise is found to come from the wheel hub bearing and the knuckle flange matching surface.

[0003] Since the wheel hub bearing and the knuckle flange matching surface adopt a conventional structure, the wheel hub bearing and the knuckle flange fitting part are prone to creep, resulting in abnormal noise during steering.

[0004] A Chinese patent with application number 202222888340.5 discloses an automobile steering wheel hub assembly, which comprises a knuckle, a wheel hub bearing and a brake disc. An outer flange is arranged on the outer ring of the wheel hub bearing, and an inner flange is arranged on the inner ring of the wheel hub bearing. One side of the knuckle is provided with a bearing mounting surface. The inner flange is fixedly connected with the brake disc. A plurality of convex bosses are circumferentially arranged on the bearing mounting surface, and a groove is formed between adjacent convex bosses. A bolt mounting hole is arranged on the convex boss, and a bolt is arranged in the bolt mounting hole to fixedly connect the knuckle with the outer flange. The convex boss is in close contact with the outer flange under the pre-tightening action of the bolt, and a gap is formed between the groove and the outer flange.

[0005] It is desirable to provide an improved knuckle and wheel hub bearing mounting structure, particularly with regard to how to eliminate steering abnormal noise. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving at least one of the technical problems existing in the prior art. To this end, the utility model provides a knuckle and wheel hub bearing mounting structure, which aims to eliminate steering abnormal noise.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the technical scheme of a knuckle and wheel hub bearing mounting structure, which comprises a wheel hub bearing and a knuckle. A first contact surface is arranged on the knuckle, and a second contact surface in contact with the first contact surface is arranged on the wheel hub bearing. A recess feature is arranged on the first contact surface or the second contact surface.

[0008] The recess feature is arranged in multiple.

[0009] A bearing hole is arranged on the knuckle, and the recess features are distributed around the outside of the bearing hole.

[0010] The recessed features are one or a combination of linear grooves, arc grooves, jagged grooves and dot-shaped recesses.

[0011] The knuckle is made of cast aluminum.

[0012] The recessed features are arranged on the first contact surface and extend from the inner edge of the first contact surface to the outer edge of the first contact surface.

[0013] The utility model also provides a vehicle, including the knuckle and hub bearing mounting structure.

[0014] The knuckle and hub bearing mounting structure of the utility model realizes the contact between the hub bearing and the cast aluminum knuckle in a partial matching mode by arranging the recessed features, and can eliminate abnormal sound generated during steering. BRIEF DESCRIPTION OF DRAWINGS

[0015] The present specification includes the following drawings, and the shown contents are respectively:

[0016] Figure 1 It is the front projection view of knuckle hub bearing cooperation face;

[0017] Figure 2 It is the sectional view of knuckle hub bearing cooperation face;

[0018] Marked as in the drawing: 1, first contact surface;2, recessed feature;3, bearing hole. DETAILED DESCRIPTION

[0019] The specific embodiments of the utility model are further explained in detail by comparing the drawings and describing the embodiments, the purpose is to help the technical personnel in the field to have more complete, accurate and deep understanding to the conception, technical scheme of the utility model, and help its implementation.

[0020] The first aspect, as shown in Figure 1 and Figure 2 The utility model provides a kind of knuckle and hub bearing mounting structure, including hub bearing and knuckle, first contact surface 1 is arranged on knuckle, second contact surface is arranged on hub bearing and contacts with first contact surface 1, recessed feature 2 is arranged on first contact surface 1 or second contact surface.

[0021] Specifically, the utility model aims at solving the problem of abnormal sound caused by the peristalsis between the hub bearing and the steering knuckle contact surface. By setting recess feature 2 on the first contact surface 1 or the second contact surface, the hub bearing and the steering knuckle adopt the mode of local cooperation to contact, the hub bearing and the steering knuckle are not easy to have peristalsis phenomenon, and the peristalsis phenomenon is reduced by the mode of local cooperation, so that the abnormal sound generated during steering can be eliminated. The steering knuckle is used for transmitting and bearing the load of the front part of the automobile, and is a component for supporting and driving the front wheel to rotate around the kingpin to steer the automobile. The hub bearing is a bearing for supporting the automobile wheel to rotate freely, and the main function of the hub bearing is to bear the weight and provide accurate guidance for the rotation of the hub.

[0022] As preferred, the recess feature 2 is provided with a plurality of recess features, so as to further reduce the occurrence of peristalsis phenomenon.

[0023] The recess feature 2 is one or a combination of linear groove, arc-shaped groove, sawtooth-shaped groove and point-shaped recess. The sawtooth-shaped groove has alternating convex and concave parts, which can provide greater friction and help prevent peristalsis. The point-shaped recess is similar to a pit or a dimple, which can be uniformly or irregularly distributed on the contact surface. The point-shaped recess can increase the number of contact points, improve the friction, and reduce the peristalsis. The point-shaped recess can be designed as a circle, an ellipse, a rectangle or other geometric shapes.

[0024] The above two or more different forms of recess feature 2 are combined together to form a more complex recess feature 2. The combined shape can be set according to specific requirements.

[0025] As shown in Figure 1 and Figure 2 , in the embodiment, the recess feature 2 is provided on the first contact surface 1 of the steering knuckle, the bearing hole 3 is provided on the steering knuckle, the hub bearing is installed in the bearing hole 3, the first contact surface 1 and the second contact surface are perpendicular to the axis of the bearing hole 3, and the recess feature 2 is distributed around the outer side of the bearing hole 3.

[0026] As shown in Figure 1 and Figure 2 , in the embodiment, the recess feature 2 is a linear groove, and the realization mode of the local cooperation between the hub bearing and the steering knuckle can be to cut the groove on the steering knuckle by machining, and to increase the machining features with specific texture shape on the cooperation surface. The recess feature 2 is provided on the first contact surface 1, the length direction of the linear groove is perpendicular to the axis of the bearing hole 3, and the recess feature 2 extends from the inner edge of the first contact surface 1 to the outer edge of the first contact surface 1, and the inner side of the inner edge of the first contact surface 1 is the bearing hole 3.

[0027] As shown in Figure 1 and Figure 2As shown, in the present embodiment, eight recessed features 2 are provided in total,

[0028] Preferably, the knuckle is made of cast aluminum material, which can significantly reduce the weight of the knuckle and further reduce the mass of the vehicle.

[0029] In a second aspect, the utility model also provides a kind of vehicle, including the knuckle and wheel hub bearing mounting structure of above structure.This knuckle and wheel hub bearing mounting structure specific structure can refer to Figures 1 to 2 , which will not be repeated here.Because the vehicle of the utility model includes the knuckle and wheel hub bearing mounting structure in the above embodiment, it has all the advantages of the above knuckle and wheel hub bearing mounting structure.

[0030] The utility model is described above with reference to the drawings.Expressly, the specific implementation of the utility model is not limited by the above mode.Various non-essential improvements are made using the method concept and technical solution of the utility model;or without improvement, the above concept and technical solution of the utility model are directly applied to other occasions, which are within the protection scope of the utility model.

Claims

1. A knuckle and hub bearing mounting structure comprising a knuckle and a hub bearing, the knuckle being provided with a first contact surface and the hub bearing being provided with a second contact surface which is in contact with the first contact surface, characterized in that: The first contact surface or the second contact surface is provided with a recessed feature.

2. The knuckle and hub bearing mounting structure according to claim 1, characterized by: The recessed feature is provided with a plurality of recessed features.

3. The knuckle and hub bearing mounting structure according to claim 1, characterized by: The knuckle is provided with a bearing hole, and the recessed features are distributed around the outside of the bearing hole.

4. The knuckle and hub bearing mounting structure according to claim 3, characterized by: The recessed feature is one or a combination of a linear groove, an arcuate groove, a zigzag groove, and a dot-shaped recess.

5. The knuckle and hub bearing mounting structure according to any one of claims 1 to 4, characterized by: The knuckle is made of cast aluminum.

6. The knuckle and hub bearing mounting structure according to any one of claims 1 to 4, characterized by: The recessed feature is provided on the first contact surface, and the recessed feature extends from the inner edge of the first contact surface to the outer edge of the first contact surface.

7. A vehicle characterized by: A knuckle and hub bearing mounting structure comprising any one of claims 1 to 6.

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