A lightweight integrated wheel hub bearing unit

Abstract

The utility model provides a lightweight integrated hub bearing unit, which relates to the technical field of hub bearings, and includes a bearing outer ring, an end cover is provided at one end of the bearing outer ring, a screw is provided on the inner side of the end cover, two sliders are provided on the outer side of the screw, one end of the slider is connected to a clamping plate, and a mounting seat is provided between the two clamping plates. The utility model drives the screw to rotate by turning the paddle, so that the connecting shaft drives the screw to rotate, and the two sliders slide close to each other on the screw, and then push the corresponding clamping plate to clamp and fix the mounting seat, so as to improve the stability of the ABS sensor installation, effectively avoid it from falling off, and then maintain the normal use of the hub bearing unit, and at the same time, the two sliders can be separated by turning the paddle in the opposite direction, so as to facilitate the maintenance personnel to disassemble the ABS sensor, thereby reducing the difficulty of maintenance, saving labor and time costs, improving the efficiency of maintenance work, and meeting actual use needs.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel hub bearings, in particular to a lightweight integrated wheel hub bearing unit. 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 withstand not only axial loads but also radial loads. The wheel hub bearing unit is developed on the basis of standard angular contact ball bearings and tapered roller bearings. It integrates two sets of bearings into one unit. It has the advantages of good assembly performance, no need for clearance adjustment, light weight, compact structure, large load capacity, grease can be pre-loaded for sealed bearings, no need for external wheel hub seals, and no need for maintenance. It has been widely used in cars and is also gradually expanding its application in trucks.

[0003] When using the existing lightweight integrated wheel hub bearing unit, it is usually necessary to install a corresponding ABS sensor inside it to measure the vehicle's driving speed. However, the existing ABS sensor is troublesome to disassemble, and the manual maintenance process is complicated, which can easily affect the maintenance efficiency. In addition, the traditional installation method has poor stability and can easily cause the ABS sensor to fall off, thereby affecting the normal operation of the wheel hub bearing unit and making it difficult to meet actual usage needs. Utility Model Content

[0004] The purpose of the utility model is to solve the problems in the prior art that the ABS sensor is troublesome to disassemble, the manual maintenance process is complicated, which easily affects the maintenance efficiency, and the traditional installation method has poor stability, which easily causes the ABS sensor to fall off, thereby affecting the normal operation of the wheel hub bearing unit and making it difficult to meet actual use needs, and a lightweight integrated wheel hub bearing unit is proposed.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a lightweight integrated wheel hub bearing unit, comprising a bearing outer ring, an end cover is provided at one end of the bearing outer ring, a screw is provided on the inner side of the end cover, two sliders are provided on the outer side of the screw, one end of the slider is connected to a clamping plate, a mounting seat is provided between the two clamping plates, an ABS sensor is provided on one side of the mounting seat, one end of the screw is connected to a connecting shaft, a locking assembly is provided on the outer side of the end cover, and one end of the connecting shaft movably passes through the end cover and the locking assembly and is connected to a rotating paddle.

[0006] Preferably, the locking assembly includes a protective box, a fixed block is provided on the inner side of the protective box, two guide rods are symmetrically provided at one end of the fixed block, a movable block is slidably installed on the outer side of the guide rod, and an extrusion bolt is provided on the top of the protective box.

[0007] Preferably, a first flange ring is arranged on the outer side of one end of the bearing outer ring, and a plurality of first screw holes are penetrated through the surface of the first flange ring.

[0008] Preferably, an inner liner ring is provided at one end of the end cover, a bearing inner ring is provided on the inner side of the bearing outer ring, and the inner liner ring is inserted on the inner side of the bearing inner ring.

[0009] Preferably, two groups of balls are arranged between the bearing outer ring and the bearing inner ring, and a retaining frame is arranged between the two groups of balls.

[0010] Preferably, one end of the bearing inner ring is connected to a second flange ring, and a plurality of second screw holes are formed through the surface of the second flange ring.

[0011] Preferably, a connecting bolt is provided inside the second screw hole.

[0012] Preferably, a slide groove is provided at one end of the end cover, and the screw rod and the slider are both arranged inside the slide groove.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. In the utility model, by turning the rotating paddle, the connecting shaft drives the screw to rotate, so that the two sliders slide close to each other on the screw, and then push the corresponding clamping plate to clamp and fix the mounting seat, so as to improve the stability of the ABS sensor installation, effectively prevent it from falling off, and maintain the normal use of the wheel hub bearing unit. At the same time, by turning the rotating paddle in the opposite direction, the two sliders can be separated, which is convenient for maintenance personnel to disassemble the ABS sensor, thereby reducing the difficulty of maintenance, saving labor and time costs, improving maintenance work efficiency, and meeting actual use needs.

[0015] 2. In the utility model, by twisting the extrusion bolt, the movable block can be pushed to slide on the guide rod, and then cooperate with the fixed block to clamp and lock the connecting shaft, completely locking the connecting shaft, effectively preventing the connecting shaft from spinning, thereby improving its stability and avoiding safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A three-dimensional structural schematic diagram of a lightweight integrated hub bearing unit is proposed for the utility model;

[0017] Figure 2 A partial structural schematic diagram of a lightweight integrated hub bearing unit is provided for the utility model;

[0018] Figure 3 A partial structural cross-sectional view of a lightweight integrated hub bearing unit is proposed for the utility model;

[0019] Figure 4 A partial structural schematic diagram of a lightweight integrated hub bearing unit is proposed for the utility model;

[0020] Figure 5 The utility model provides a schematic diagram of the internal structure of a protective box of a lightweight integrated hub bearing unit.

[0021] Legend: 1. Bearing outer ring; 2. End cover; 3. Inner liner; 4. Screw; 5. Slider; 6. Clamp; 7. Mounting seat; 8. ABS sensor; 9. Connecting shaft; 10. Turning paddle; 11. Protective box; 12. Fixed block; 13. Guide rod; 14. Movable block; 15. Extrusion bolt; 16. First flange ring; 17. First screw hole; 18. Bearing inner ring; 19. Ball; 20. Cage; 21. Second flange ring; 22. Second screw hole; 23. Connecting bolt. DETAILED DESCRIPTION

[0022] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0023] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0024] Example 1: Figure 1-Figure 5 As shown, the utility model provides a technical solution: a lightweight integrated hub bearing unit, including a bearing outer ring 1, an end cover 2 is arranged at one end of the bearing outer ring 1, a screw 4 is arranged on the inner side of the end cover 2, two sliders 5 are arranged on the outer side of the screw 4, one end of the slider 5 is connected to a clamping plate 6, a mounting seat 7 is arranged between the two clamping plates 6, an ABS sensor 8 is arranged on one side of the mounting seat 7, one end of the screw 4 is connected to a connecting shaft 9, a locking assembly is arranged on the outer side of the end cover 2, and one end of the connecting shaft 9 movably passes through the end cover 2 and the locking assembly and is connected to a rotating paddle 10.

[0025] In the present embodiment, by turning the rotating paddle 10, the connecting shaft 9 drives the screw rod 4 to rotate, so that the two sliders 5 slide close to each other on the screw rod 4, and then push the corresponding clamping plate 6 to clamp and fix the mounting seat 7, so as to improve the stability of the installation of the ABS sensor 8, effectively prevent it from falling off, and maintain the normal use of the wheel hub bearing unit. At the same time, by turning the rotating paddle 10 in the opposite direction, the two sliders 5 can be separated, which is convenient for maintenance personnel to disassemble the ABS sensor 8, thereby reducing the difficulty of maintenance, saving labor and time costs, improving the efficiency of maintenance work, and meeting actual use needs.

[0026] Example 2: Figure 1-Figure 5 As shown, the locking assembly includes a protective box 11, a fixed block 12 is arranged on the inner side of the protective box 11, two guide rods 13 are symmetrically arranged at one end of the fixed block 12, a movable block 14 is slidably installed on the outer side of the guide rod 13, an extrusion bolt 15 is arranged on the top of the protective box 11, a first flange ring 16 is arranged on the outer side of one end of the bearing outer ring 1, a plurality of first screw holes 17 are penetrated through the surface of the first flange ring 16, an inner liner 3 is arranged at one end of the end cover 2, a bearing inner ring 18 is arranged on the inner side of the bearing outer ring 1, the inner liner 3 is inserted into the inner side of the bearing inner ring 18, two groups of balls 19 are arranged between the bearing outer ring 1 and the bearing inner ring 18, a retainer 20 is arranged between the two groups of balls 19, a second flange ring 21 is connected to one end of the bearing inner ring 18, a plurality of second screw holes 22 are penetrated through the surface of the second flange ring 21, a connecting bolt 23 is arranged on the inner side of the second screw hole 22, a slide groove is opened at one end of the end cover 2, and the screw rod 4 and the slider 5 are both arranged inside the slide groove.

[0027] In this embodiment, by screwing the extrusion bolt 15, the movable block 14 can be pushed to slide on the guide rod 13, and then the connecting shaft 9 can be clamped and locked in cooperation with the fixed block 12, so that the connecting shaft 9 is completely locked, effectively preventing the connecting shaft 9 from spinning, thereby improving its stability and avoiding safety hazards. The wheel hub bearing unit can be installed together with the entire vehicle bearing through the first flange ring 16 and the first screw hole 17 in cooperation with the bolts. The friction between the bearing outer ring 1 and the bearing inner ring 18 is reduced by the rotation of the ball 19, making the rotation smoother. The ball 19 can be guided to move through the retaining frame 20, improve the internal lubrication conditions of the bearing, and prevent the ball 19 from falling off. The wheel hub bearing unit can be fixed to the vehicle drive shaft through the second flange ring 21 and the second screw hole 22 in cooperation with the connecting bolt 23.

[0028] The working principle of this embodiment is as follows: when in use, firstly, the connecting bolt 23 is screwed to connect the wheel hub bearing unit as a whole to the vehicle drive shaft, then, the mounting seat 7 and the ABS sensor 8 are placed on the end cover 2, and the rotating paddle 10 is turned to make the connecting shaft 9 drive the screw 4 to rotate, so that the two sliders 5 slide close to each other on the screw 4, and then push the corresponding clamping plate 6 to clamp and fix the mounting seat 7, and then the extrusion bolt 15 is turned to push the movable block 14 to slide on the guide rod 13, and cooperate with the fixed block 12 to clamp and fix the connecting shaft 9, completely locking it to prevent the connecting shaft 9 from spinning, and finally, the extrusion bolt 15 is turned in the reverse direction to unlock the connecting shaft 9, and at the same time, the rotating paddle 10 is turned in the reverse direction to separate the two clamping plates 6, thereby realizing the disassembly of the ABS sensor 8, thereby completing the use of the lightweight integrated wheel hub bearing unit.

[0029] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A lightweight integrated hub bearing unit, comprising a bearing outer ring (1), characterized in that: An end cover (2) is provided at one end of the bearing outer ring (1), a screw (4) is provided on the inner side of the end cover (2), two sliders (5) are provided on the outer side of the screw (4), one end of the slider (5) is connected to a clamp (6), a mounting seat (7) is provided between the two clamps (6), an ABS sensor (8) is provided on one side of the mounting seat (7), one end of the screw (4) is connected to a connecting shaft (9), a locking assembly is provided on the outer side of the end cover (2), one end of the connecting shaft (9) movably passes through the end cover (2) and the locking assembly and is connected to a rotating paddle (10).

2. The lightweight integrated hub bearing unit according to claim 1, characterized in that: The locking assembly comprises a protective box (11), a fixed block (12) is arranged on the inner side of the protective box (11), two guide rods (13) are symmetrically arranged on one end of the fixed block (12), a movable block (14) is slidably mounted on the outer side of the guide rod (13), and a pressing bolt (15) is arranged on the top of the protective box (11).

3. The lightweight integrated hub bearing unit according to claim 1, characterized in that: A first flange ring (16) is arranged on the outer side of one end of the bearing outer ring (1), and a plurality of first screw holes (17) are formed through the surface of the first flange ring (16).

4. The lightweight integrated hub bearing unit according to claim 1, characterized in that: An inner liner ring (3) is provided at one end of the end cover (2), a bearing inner ring (18) is provided on the inner side of the bearing outer ring (1), and the inner liner ring (3) is inserted on the inner side of the bearing inner ring (18).

5. The lightweight integrated hub bearing unit according to claim 4, characterized in that: Two groups of balls (19) are arranged between the bearing outer ring (1) and the bearing inner ring (18), and a retaining frame (20) is arranged between the two groups of balls (19).

6. The lightweight integrated hub bearing unit according to claim 4, characterized in that: One end of the bearing inner ring (18) is connected to a second flange ring (21), and a plurality of second screw holes (22) are formed through the surface of the second flange ring (21).

7. The lightweight integrated hub bearing unit according to claim 6, characterized in that: A connecting bolt (23) is arranged inside the second screw hole (22).

8. The lightweight integrated hub bearing unit according to claim 1, characterized in that: A slide groove is provided at one end of the end cover (2), and the screw rod (4) and the slide block (5) are both arranged inside the slide groove.

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