Automobile hub bearing with wide adaptability

Abstract

The utility model provides an automobile hub bearing with wide adaptability, which comprises an outer ring and an inner ring, a plurality of balls are arranged between the outer ring and the inner ring, a connecting ring is fixed on the outer wall of the outer ring, a plurality of connecting key slots are circumferentially arranged outside the connecting ring, a sleeve is arranged on one side of the outer ring, and the sleeve is sleeved on the connecting key slots. A suspension flange is arranged at one end of the sleeve, a hub flange is arranged on the other side of the sleeve, a plurality of connecting keys are fixed to the inner wall of the sleeve in the circumferential direction, the connecting key grooves correspond to the connecting keys in position one to one, a check ring is fixed to the outer ring, a plurality of clamping blocks are fixed to the check ring, and the clamping blocks are fixed to the outer ring. According to the hub bearing connecting flange, the problems that in the prior art, the sleeve used for installing the connecting flange and the hub bearing are mostly installed in a press-in mode, the connecting strength is low, and the hub bearing is inconvenient to replace are solved.

Description

Technical Field

[0001] The utility model relates to the field of bearings, in particular to an automobile wheel hub bearing with wide adaptability. Background Art

[0002] The wheel hub bearing is one of the key parts of the automobile. Its main function is to bear weight and provide precise guidance for the rotation of the wheel hub, which requires it to be able to withstand not only axial loads but also radial loads. At present, the existing wheel hub bearing structure generally includes a coaxially arranged bearing outer ring and a bearing inner ring, and a steel ball is arranged between the bearing inner ring and the bearing outer ring.

[0003] The existing inner and outer wheels of the hub bearing are integrated externally, with the outer wheel integrated and mounted on the flange of the suspension, and the inner wheel integrated and mounted on the flange of the hub. However, the installation between the sleeve used for installing the connecting flange and the hub bearing in the prior art mostly adopts a press-in type, which has low connection strength (when subjected to radial force) and is inconvenient to replace the hub bearing.

[0004] Therefore, it is necessary to provide a new automobile wheel hub bearing with wide adaptability to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above technical problems, the utility model provides a widely adaptable automobile wheel hub bearing, which solves the problems in the prior art that the installation between the sleeve for installing the connecting flange and the wheel hub bearing is mostly press-fit, the connection strength is low and the wheel hub bearing is inconvenient to replace.

[0006] The automobile wheel hub bearing with wide adaptability provided by the utility model comprises an outer ring and an inner ring, a plurality of balls are arranged between the outer ring and the inner ring, a connecting ring is fixed on the outer wall of the outer ring, and a plurality of connecting key grooves are circumferentially opened on the outside of the connecting ring;

[0007] A sleeve is arranged on one side of the outer ring, a suspension flange is arranged on one end of the sleeve, a hub flange is arranged on the other side of the sleeve, a plurality of connecting keys are circumferentially fixed on the inner wall of the sleeve, and the plurality of connecting key slots correspond to the plurality of connecting key positions one by one.

[0008] In a preferred embodiment, the connecting key matches the connecting keyway size.

[0009] In a preferred embodiment, a retaining ring is fixed on the outer ring, a plurality of clamping blocks are fixed on the retaining ring, a plurality of clamping grooves are formed on the sleeve, and the clamping blocks are engaged with the clamping grooves.

[0010] In a preferred embodiment, the connecting ring and the sleeve are both made of bearing steel.

[0011] In a preferred embodiment, a sealing ring is fixed to a side of the outer ring close to the retaining ring, and the inner diameter of the sealing ring is larger than the inner diameter of the inner ring.

[0012] In a preferred embodiment, a leak-proof rubber is provided at the inner diameter of the sealing ring.

[0013] Beneficial effects of the utility model:

[0014] 1. The bearing can fix the sleeve and the bearing by sliding the connecting key on the sleeve into the connecting key slot on the connecting ring. Compared with the press-in type in the prior art, the operation is simple and convenient, the replacement speed is fast, and the connection strength between the sleeve and the hub bearing during use (when subjected to radial force) can be greatly increased by connecting a plurality of connecting key slots and a plurality of connecting keys;

[0015] 2. By integrating the outer wheel into the suspension flange and the inner wheel into the hub flange, the difference between the driving wheel and the driven wheel of the car is that the driving wheel has a center hole with a spline for meshing with the half shaft, and the driven wheel is solid, which makes it convenient for the OEM to share suspension parts when developing two-wheel drive and four-wheel drive versions on the same platform, thereby improving the adaptability of the hub bearing;

[0016] 3. By providing a retaining ring, a block and a groove, the connection strength between the sleeve and the hub bearing can be further improved. By providing a sealing ring and a leak-proof rubber, the lubricating oil added to the inside of the bearing can be leak-proof and dust-proof. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of a widely adaptable automobile wheel hub bearing provided by the utility model;

[0018] Figure 2 A schematic diagram of the structure of the sleeve provided by the utility model;

[0019] Figure 3 A schematic diagram of the structure of the retaining ring provided by the utility model;

[0020] Figure 4 This is a schematic structural diagram of the sealing ring provided by the utility model.

[0021] Numbers in the figure: 1, outer ring; 2, inner ring; 3, ball; 4, connecting ring; 5, connecting keyway; 6, sleeve; 7, suspension flange; 8, hub flange; 9, connecting key; 10, retaining ring; 11, block; 12, slot; 13, sealing ring. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0023] Please refer to Figure 1 , Figure 2 , Figure 3 as well as Figure 4 ,in Figure 1 A schematic diagram of the overall structure of a widely adaptable automobile wheel hub bearing provided by the utility model; Figure 2 A schematic diagram of the structure of the sleeve provided by the utility model; Figure 3 A schematic diagram of the structure of the retaining ring provided by the utility model; Figure 4 This is a schematic structural diagram of the sealing ring provided by the utility model.

[0024] In the specific implementation process, Figure 1-Figure 4 As shown, it includes an outer ring 1 and an inner ring 2, a plurality of balls 3 are arranged between the outer ring 1 and the inner ring 2, a connecting ring 4 is fixed on the outer wall of the outer ring 1, and a plurality of connecting key grooves 5 are circumferentially opened on the outside of the connecting ring 4. The bearing can fix the sleeve 6 and the bearing by sliding the connecting key 9 on the sleeve 6 into the connecting key groove 5 on the connecting ring 4. Compared with the press-in type in the prior art, the operation is simple and convenient, and the replacement speed is fast. The size of the connecting key 9 matches the connecting key groove 5 to ensure that the connecting key 9 can smoothly enter the connecting key groove 5.

[0025] The connecting ring 4 and the sleeve 6 are both made of bearing steel with high hardness and good wear resistance.

[0026] A retaining ring 10 is fixed on the outer ring 1, and a plurality of clamping blocks 11 are fixed on the retaining ring 10. A plurality of clamping grooves 12 are opened on the sleeve 6, and the clamping blocks 11 are embedded in the clamping grooves 12. A sealing ring 13 is fixed on the side of the outer ring 1 close to the retaining ring 10. The inner diameter of the sealing ring 13 is larger than the inner diameter of the inner ring 2. A leak-proof rubber is arranged at the inner diameter of the sealing ring 13. By arranging the retaining ring 10, the clamping blocks 11 and the clamping grooves 12, the connection strength between the connecting ring 4 and the sleeve 12 can be improved. By arranging the sealing ring 13 and the leak-proof rubber, the lubricating oil added to the inside of the bearing can be leak-proof, and also a dust-proof effect can be achieved.

[0027] A sleeve 6 is arranged on one side of the outer ring 1, a suspension flange 7 is arranged on one end of the sleeve 6, a hub flange 8 is arranged on the other side of the sleeve 6, and a plurality of connecting keys 9 are fixed circumferentially on the inner wall of the sleeve 6, and the positions of the plurality of connecting key slots 5 and the plurality of connecting keys 9 correspond one to one.

[0028] Working principle of the utility model: the bearing can fix the sleeve 6 and the bearing by sliding the connecting key 9 on the sleeve 6 into the connecting key groove 5 on the connecting ring 4. Compared with the press-in type in the prior art, the operation is simple and convenient, and the replacement speed is fast;

[0029] By integrating the outer wheel into the suspension flange 7 and the inner wheel into the hub flange 8, the difference between the driving wheel and the driven wheel of the automobile is that the driving wheel has a center hole with a spline for meshing with the half shaft, and the driven wheel is solid, which facilitates the main engine manufacturer to realize the sharing of suspension parts when developing two-wheel drive and four-wheel drive versions on the same platform, thereby improving the adaptability of the hub bearing;

[0030] The retaining ring 10, the block 11 and the groove 12 can improve the connection strength between the connecting ring 4 and the sleeve 12. The sealing ring 13 and the leak-proof rubber can prevent the lubricating oil added to the bearing from leaking and also prevent dust.

[0031] The circuits and controls involved in the present invention are all prior art and will not be described in detail here.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A widely adaptable automobile wheel hub bearing, comprising an outer ring (1) and an inner ring (2), wherein a plurality of balls (3) are arranged between the outer ring (1) and the inner ring (2), characterized in that: A connecting ring (4) is fixed on the outer wall of the outer ring (1), and a plurality of connecting key grooves (5) are circumferentially formed on the outside of the connecting ring (4); A sleeve (6) is provided on one side of the outer ring (1), a suspension flange (7) is provided on one end of the sleeve (6), a hub flange (8) is provided on the other side of the sleeve (6), a plurality of connecting keys (9) are circumferentially fixed to the inner wall of the sleeve (6), and the plurality of connecting key slots (5) correspond to the positions of the plurality of connecting keys (9) one by one.

2. The automobile wheel hub bearing with wide adaptability according to claim 1, characterized in that: The connecting key (9) matches the size of the connecting key slot (5).

3. The automobile wheel hub bearing with wide adaptability according to claim 2, characterized in that: A retaining ring (10) is fixed on the outer ring (1), a plurality of clamping blocks (11) are fixed on the retaining ring (10), a plurality of clamping grooves (12) are formed on the sleeve (6), and the clamping blocks (11) are engaged with the clamping grooves (12).

4. The automobile wheel hub bearing with wide adaptability according to claim 3, characterized in that: The connecting ring (4) and the sleeve (6) are both made of bearing steel.

5. The automobile wheel hub bearing with wide adaptability according to claim 4, characterized in that: A sealing ring (13) is fixed on one side of the outer ring (1) close to the retaining ring (10), and the inner diameter of the sealing ring (13) is greater than the inner diameter of the inner ring (2).

6. The automobile wheel hub bearing with wide adaptability according to claim 5, characterized in that: The inner diameter of the sealing ring (13) is provided with leak-proof rubber.

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