CN216867319U - A high-strength automobile wheel hub bearing unit inner ring flange - Google Patents

Abstract

The utility model discloses a high-strength automobile hub bearing unit inner ring flange which comprises a flange disc body I and a flange disc body II, wherein the flange disc body I comprises a flange inner ring and a flange outer ring, the flange inner ring is positioned in the flange outer ring, one end of the flange disc body II, which is positioned in the flange inner ring, is sleeved and connected, a connecting cavity is arranged in the middle of the flange inner ring and the flange outer ring, a rolling way is arranged between the flange disc body II and the flange inner ring, a rolling ball bearing is arranged on the rolling way, an oil storage cavity is arranged in the flange disc body II, which is close to the rolling ball bearing, the upper end of the oil storage cavity is provided with an oil inlet, and the lower end of the oil storage cavity is provided with an oil outlet connected with the rolling way. Has the advantages that: the friction between the ball and the inner ring can be reduced, and automatic oil feeding is realized, so that lubricating oil can be uniformly and conveniently added into the bearing.

Description

A high-strength automobile wheel hub bearing unit inner ring flange

technical field

The utility model relates to the technical field of automobile wheel hub bearings, in particular to an inner ring flange of a high-strength automobile wheel hub bearing unit.

Background technique

Automobile wheel bearing is an important component of a car. Automobile hub bearings bear both radial and axial loads, not only to support the overall quality of the car, but also to bear the composite dynamic load of the vehicle under various driving conditions. A matching flange must be designed during production, otherwise the connection between the bearing ring and the inner flange and the connected object will be unstable, which will seriously affect the performance of the car, and the existing self-lubricating flange Bearings have poor practicability; at the same time, the existing self-lubricating flange bearings need to be lubricated with lubricating oil, and it is time-consuming and labor-intensive to continuously add lubricating oil to the bearings by manpower.

For the problems in the related technologies, no effective solutions have been proposed so far.

Utility model content

In view of the problems in the related art, the present utility model proposes a high-strength automobile wheel hub bearing unit inner ring flange to overcome the above-mentioned technical problems existing in the related art.

For this reason, the concrete technical scheme that the utility model adopts is as follows:

A high-strength automobile wheel hub bearing unit inner ring flange includes a flange body 1 and a flange body 2, the flange body 1 includes a flange inner ring and a flange outer ring, and the flange inner ring Located inside the flange outer ring, the flange body two is sleeved and connected at one end of the flange inner ring, and a connection cavity is provided in the middle of the flange inner ring and the flange outer ring. A raceway is arranged between the second flange body and the inner ring of the flange, a ball bearing is arranged on the raceway, and an oil storage cavity is arranged inside the second flange body close to the ball bearing, so the The upper end of the oil storage cavity is provided with an oil inlet, and the lower end of the oil storage cavity is provided with an oil outlet connected with the raceway.

Further, one end of the flange inner ring is provided with an extension ring, and the extension ring and the flange inner ring are integrally connected.

Further, a plurality of connecting screw holes are arranged in the middle of the outer surface of the outer ring of the flange, and bolts are correspondingly arranged on the connecting screw holes.

Further, the inner wall of the inner ring of the flange is provided with an anti-corrosion layer 1, and the material of the anti-corrosion layer 1 is an inorganic paint layer.

Further, the inner wall of the outer ring of the flange is provided with a second anti-corrosion layer, and the material of the second anti-corrosion layer is a polyurethane layer.

Further, a check valve is provided in the middle of the oil inlet.

The utility model provides an inner ring flange of a high-strength automobile wheel hub bearing unit, and the beneficial effects are as follows: the utility model passes the oil storage cavity, the oil inlet and the oil outlet, so that the rotating flange body promotes the lubricating oil inside. The flow on the flange plate, the rotation of the flange plate, the lubricating oil will penetrate into the mechanical parts, which can reduce the friction between the ball and the inner ring, and realize the automatic oil feeding, so that the lubricating oil can be added to the bearing evenly and conveniently.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the accompanying drawings required in the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only of the present invention. For some embodiments of the present invention, for those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

1 is a schematic structural diagram of an inner ring flange of a high-strength automobile wheel hub bearing unit according to an embodiment of the present invention;

2 is a cross-sectional view of an inner ring flange of a high-strength automobile wheel hub bearing unit according to an embodiment of the present invention;

3 is an enlarged view of A of FIG. 2 of the inner ring flange of a high-strength automobile wheel hub bearing unit according to an embodiment of the present invention;

4 is a schematic diagram of the anti-corrosion layer of the inner ring flange of a high-strength automobile wheel hub bearing unit according to an embodiment of the present invention.

In the picture:

1. Flange body 1; 2. Flange body 2; 3. Flange inner ring; 4. Flange outer ring; 5. Connection cavity; 6. Raceway; 7. Ball bearing; 8. Oil storage Cavity; 9, oil inlet; 10, oil outlet; 11, extension ring; 12, connecting screw hole; 13, bolt; 14, anti-corrosion layer one; 15, anti-corrosion layer two; 16, one-way valve.

Detailed ways

In order to further illustrate the embodiments, the present invention provides accompanying drawings, which are a part of the disclosure of the present invention, which are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant description of the specification to explain the operation principles of the embodiments, With reference to these contents, those of ordinary skill in the art will understand other possible implementations and advantages of the present invention. Components in the figures are not drawn to scale, and similar components are generally used to denote similar components.

According to an embodiment of the present invention, a high-strength automobile wheel hub bearing unit inner ring flange is provided.

Example 1:

As shown in Figures 1-4, the inner ring flange of the high-strength automobile wheel hub bearing unit according to the embodiment of the present invention includes a flange body 1 and a flange body 2 2, and the flange body 1 includes Flange inner ring 3 and flange outer ring 4, the flange inner ring 3 is located inside the flange outer ring 4, and the flange body 2 is sleeved at one end of the flange inner ring 3 A connection cavity 5 is provided in the middle of the flange inner ring 3 and the flange outer ring 4, and a raceway 6 is arranged between the flange body 2 and the flange inner ring 3. The raceway 6 is provided with a ball bearing 7, the flange body 22 is provided with an oil storage cavity 8 in the interior of the flange body 2 close to the ball bearing 7, and the upper end of the oil storage cavity 8 is provided with an oil inlet 9, the The lower end of the oil storage chamber 8 is provided with an oil outlet 10 connected with the raceway 6 .

Embodiment 2:

As shown in FIGS. 1-4 , one end of the flange inner ring 3 is provided with an extension ring 11 , and the extension ring 11 and the flange inner ring 3 are integrally connected. A plurality of connecting screw holes 12 are arranged in the middle of the outer surface of the flange outer ring 4 , and bolts 13 are correspondingly arranged on the connecting screw holes 12 .

As shown in Figures 1-4, the inner wall of the flange inner ring 3 is provided with an anti-corrosion layer 1 14, and the material of the anti-corrosion layer 1 14 is an inorganic coating layer. The inner wall of the flange outer ring 4 is provided with a second anti-corrosion layer 15, and the material of the second anti-corrosion layer 15 is a polyurethane layer. A check valve 16 is provided in the middle of the oil inlet 9 .

In order to facilitate the understanding of the above technical solutions of the present invention, the working principle or operation mode of the present invention in the actual process will be described in detail below.

In practical application, the oil passing through the oil storage chamber 8 flows into the raceway 6 through the oil outlet 10, so that the surface of the ball bearing 7 is filled with lubricating oil, which can reduce the friction between the ball and the inner ring, and realize automatic oil feeding. Reduce manual operation to save time. The oil passage of the oil outlet 10 is smaller than the oil inlet 9, and the oil outlet 10 can flow out slowly. By setting the check valve 16, the oil outflow can be effectively avoided. Turn the flange body 1 1 Promote the flow of lubricating oil on the inner flange, the rotation of the flange, the lubricating oil will penetrate into the mechanical parts, so that the lubricating oil can be added into the bearing evenly and conveniently, and provide maintenance for the bearing. The contact area of the rotating output end of the car is sleeved to prevent the lubricating oil from flowing out, and at the same time, it better fits the structure of the automobile wheel, which increases the protection of the rotating output end of the automobile and improves the strength.

To sum up, with the help of the above technical solutions of the present invention, through the oil storage chamber 8 and the oil inlet 9 and the oil outlet 10, the rotating flange body 1 promotes the flow of lubricating oil on the inner flange, When the flange rotates, the lubricating oil will penetrate into the mechanical parts, which can reduce the friction between the ball and the inner ring, and realize automatic oil feeding, so that the lubricating oil can be added to the bearing evenly and conveniently.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the within the scope of protection of the present invention.

Claims (6)

1. The utility model provides a high strength automobile wheel hub bearing unit inner ring flange, its characterized in that, includes flange disk body one (1) and flange disk body two (2), flange disk body one (1) is including flange inner ring (3) and flange outer lane (4), flange inner ring (3) are located the inside of flange outer lane (4), flange disk body two (2) are located the pot head of flange inner ring (3) is established and is connected, flange inner ring (3) and flange outer lane (4) middle part is provided with connection chamber (5), flange disk body two (2) with be provided with raceway (6) between flange inner ring (3), be provided with ball bearing (7) on raceway (6), flange disk body two (2) are close to the inside of ball bearing (7) is provided with oil storage chamber (8), the upper end of oil storage chamber (8) is provided with oil inlet (9), an oil outlet (10) connected with the roller path (6) is formed in the lower end of the oil storage cavity (8).

2. The high-strength automobile hub bearing unit inner ring flange according to claim 1, characterized in that an extension ring (11) is arranged at one end of the flange inner ring (3), and the extension ring (11) and the flange inner ring (3) are of an integral connection structure.

3. The high-strength automobile hub bearing unit inner ring flange according to claim 1, characterized in that a plurality of connection screw holes (12) are formed in the middle of the outer surface of the flange outer ring (4), and bolts (13) are correspondingly arranged on the connection screw holes (12).

4. The high-strength automobile hub bearing unit inner ring flange as claimed in claim 1, wherein an anticorrosive coating I (14) is provided on the inner wall of the flange inner ring (3), and the anticorrosive coating I (14) is made of an inorganic coating layer.

5. The high-strength automobile hub bearing unit inner ring flange according to claim 1, characterized in that an anticorrosive coating II (15) is arranged on the inner wall of the flange outer ring (4), and the anticorrosive coating II (15) is made of a polyurethane layer.

6. The inner ring flange of the high-strength automobile hub bearing unit according to claim 1, wherein a check valve (16) is arranged in the middle of the oil inlet (9).

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