Double-ended abs non-directional mounting type automobile hub bearing structure

Abstract

The utility model relates to a kind of double-end ABS non-directional installation formula's automobile hub bearing structure, belong to hub bearing unit technical field, including inner hub and outer hub, inner hub, outer hub are equipped with hub bearing unit, two hub bearing units are equipped with ABS sensor with inner hub is inserted and embedded type nesting. Hub bearing unit includes outer ring, is equipped with a pair of mirror image symmetry distribution and with the sliding type nesting of inner ring of outer ring, outer ring both ends with inner ring are equipped with magnetic sealing component, the inner ring with the outer ring is equipped with retainer, retainer is equipped with several steel balls with the sliding type nesting of retainer. With the characteristics of high structural integration, convenient installation and high performance reliability. The magnetic field generated by being set in the hub bearing unit of both sides magnetic sealing component is detected by ABS sensor, to obtain speed signal in any one end of hub. Simplify the operation on warehouse, logistics and assembly line, reduce error rate.

Description

Technical Field

[0001] This utility model relates to the technical field of wheel hub bearing units, specifically to a double-ended ABS non-directional mounting automotive wheel hub bearing structure. Background Technology

[0002] With the development of automotive electronics and intelligence, anti-lock braking systems (ABS) have become standard equipment in modern cars. Traditional wheel bearings typically only have a magnetic seal with ABS signal installed on one side. If the installation orientation is incorrect during maintenance or replacement, the ABS signal will fail, affecting driving safety. Furthermore, existing magnetic seal materials (such as SPCC matrix + NBR rubber) suffer from problems such as easy wear, insufficient temperature resistance, and poor rust resistance, affecting the reliability and service life of the bearing.

[0003] Industry pain points: a. Strong dependence on installation direction: Traditional bearings only have ABS signal on one end, which makes them easy to install backwards during maintenance, causing the ABS signal to fail. b. Insufficient material properties: - The magnetic ring substrate (SPCC) is prone to rust and has a high surface roughness, which accelerates the wear of the sealing lip. - The sealing ring rubber (NBR) has a narrow temperature range (-30℃~100℃) and is prone to aging at high temperatures. c. Low sealing reliability: Existing sealing structures are susceptible to contamination or grease leakage, affecting bearing life. Summary of the Invention

[0004] This invention primarily addresses the shortcomings of existing technologies by providing a dual-end ABS non-directional mounting automotive wheel hub bearing structure. This structure features high structural integration, convenient installation, and high reliability. It achieves this by incorporating magnetic sealing components in both wheel hub bearing units. The magnetic field generated by these components can be detected by ABS sensors, allowing for the acquisition of rotational speed signals from either end of the wheel hub. This simplifies warehousing, logistics, and assembly line operations, reducing error rates.

[0005] The above-mentioned technical problems of this utility model are mainly solved by the following technical solutions: A dual-end ABS non-directional mounting automotive wheel hub bearing structure includes an inner hub and an outer hub. Both the inner and outer hubs contain wheel hub bearing units, and an ABS sensor is inserted and sleeved between the two bearing units. Each bearing unit includes an outer ring, within which are a pair of mirror-symmetrically distributed inner rings that are slidably sleeved. Magnetic sealing assemblies are provided at both ends of the outer ring and between the outer and inner rings. A cage is provided between the inner and outer rings, and the cage contains several steel balls that are slidably nested within it.

[0006] Preferably, the magnetic sealing assembly includes a magnetic ring, and a sealing ring is provided between the magnetic ring and the inner ring, which is engaged with the magnetic ring in a snap-fit ​​manner.

[0007] Preferably, the magnetic ring includes a magnetic skeleton, and a magnetic ring fixed to the magnetic skeleton is provided on the outer circular end face of the magnetic skeleton.

[0008] Preferably, the sealing ring includes a sealing skeleton, and a multi-lip rubber ring is provided between the sealing skeleton and the magnetic ring, which is nested and fixedly connected to the sealing skeleton.

[0009] Preferably, a plurality of connecting screws arranged in a ring are provided between the inner hub and the outer hub. Both ends of the connecting screws are provided with locking nuts that are threadedly connected to the connecting screws. Spring washers that are connected to the connecting screws are provided between the locking nuts and the inner hub, and between the locking nuts and the outer hub.

[0010] Preferably, the inner end of the inner hub is provided with a pair of semi-circular retaining rings that are nested in a slotted manner with the inner hub and limit the position of the hub bearing unit. The outer end of the outer hub is provided with an end cap that is connected and fixed to the outer hub with an insert screw and limits the position of the hub bearing unit.

[0011] Preferably, a shock-absorbing washer is provided between the ABS sensor and the outer wheel hub, nested within the ABS sensor. The shock-absorbing washer absorbs vibrations and impacts from the road surface, protecting the delicate ABS sensor, ensuring the stability and accuracy of signal reading, and extending its service life.

[0012] Preferably, the inner wheel hub is equipped with a tire pressure sensor extending to the outer end face of the inner wheel hub. This reflects the trend of highly integrated modern automotive components. Integrating the TPMS sensor directly onto the wheel hub results in more stable signal transmission and more reliable installation, avoiding the problems of traditional valve stem sensors being easily damaged or stolen.

[0013] This invention can achieve the following effects: This invention provides a double-ended ABS non-directional mounting automotive wheel hub bearing structure, which, compared with existing technologies, features high structural integration, convenient installation, and high performance reliability. This is achieved by incorporating magnetic sealing components in the wheel hub bearing units on both sides. The magnetic field generated by these components can be detected by ABS sensors, allowing speed signals to be obtained from either end of the wheel hub. This simplifies operations in warehousing, logistics, and assembly lines, and reduces error rates.

[0014] High integration and modularity: The functions of bearings, ABS, TPMS and other components are highly integrated into one assembly, which reduces the number of parts and simplifies the vehicle assembly process.

[0015] Easy to install and highly forgiving: It achieves "non-directional installation" without the need to distinguish between left and right or inside and outside, which greatly facilitates assembly, maintenance and spare parts management and reduces the risk of human error.

[0016] Reliable performance: The double-row angular contact ball bearing structure can withstand complex combined loads.

[0017] The magnetic sealing assembly integrates sealing and sensing functions in a compact design.

[0018] The shock-absorbing gaskets protect the ABS sensor, ensuring signal quality.

[0019] Spring washers and other anti-loosening designs ensure the reliability of the connection.

[0020] Highly expandable functionality: It has reserved a mounting position for the tire pressure sensor, meeting the higher requirements of modern automobiles for active safety.

[0021] Easy maintenance: The modular design means that if a bearing unit fails, the unit can be replaced instead of the entire assembly, potentially reducing maintenance costs. Attached Figure Description

[0022] Figure 1 This is a structural cross-sectional view of the present invention.

[0023] Figure 2 This is a schematic diagram of the hub bearing unit in this utility model.

[0024] Figure 3 This is a schematic diagram of the magnetic sealing component in this utility model.

[0025] Figure 4 This is a schematic diagram of the sealing ring in this utility model.

[0026] Figure 5 This is a schematic diagram of the structure of the magnetic ring in this utility model.

[0027] In the diagram: Inner hub 1, Tire pressure sensor 2, Outer hub 3, ABS sensor 4, Hub bearing unit 5, End cap 6, Connecting screw 7, Locking nut 8, Spring washer 9, Shock absorber washer 10, Semi-circular retaining ring 11, Outer ring 12, Steel ball 13, Cage 14, Magnetic sealing assembly 15, Inner ring 16, Magnetic ring 17, Sealing ring 18, Multi-lip rubber ring 19, Sealing skeleton 20, Magnetic ring 21, Magnetic skeleton 22. Detailed Implementation

[0028] The technical solution of this utility model will be further described in detail below through embodiments and in conjunction with the accompanying drawings.

[0029] Example: Figure 1-5As shown, a dual-end ABS non-directional mounting automotive wheel hub bearing structure includes an inner hub 1 and an outer hub 3. A tire pressure sensor 2 extending to the outer circular end face of the inner hub 1 is provided on the inner hub 1. Five annularly distributed connecting screws 7 are provided between the inner hub 1 and the outer hub 3. Each end of the connecting screw 7 has a locking nut 8 threadedly connected to it. Spring washers 9, which are connected to the connecting screws 7, are provided between the locking nuts 8 and the inner hub 1, and between the locking nuts 8 and the outer hub 3. Wheel hub bearing units 5 are provided inside the inner hub 1 and the outer hub 3. An ABS sensor 4, which is inserted and sleeved between two wheel hub bearing units 5, is provided between the two wheel hub bearing units 5 and the inner hub 1. A shock-absorbing washer 10, nested between the ABS sensor 4 and the outer hub 3, is provided. The inner end of the inner hub 1 is provided with a pair of semi-circular retaining rings 11 that are nested in a slot with the inner hub 1 and limit the position of the hub bearing unit 5. The outer end of the outer hub 3 is provided with an end cap 6 that is connected and fixed with the outer hub 3 by an insert screw and limits the position of the hub bearing unit 5.

[0030] The hub bearing unit 5 includes an outer ring 12. Inside the outer ring 12 are a pair of mirror-symmetrically distributed inner rings 16 that are slidably fitted together. Magnetic sealing assemblies 15 are provided between both ends of the outer ring 12 and the inner rings 16. A retainer 14 is provided between the inner rings 16 and the outer ring 12, and eight steel balls 13 are slidably nested within the retainer 14. The magnetic sealing assembly 15 includes a magnetic ring 17, which includes a magnetic skeleton 22. A magnetic ring 21 fixed to the magnetic skeleton 22 is provided on the outer circular end face of the magnetic skeleton 22. A sealing ring 18 is provided between the magnetic ring 17 and the inner rings 16, and is fitted into the magnetic ring 17. The sealing ring 18 includes a sealing skeleton 20, and a multi-lip rubber ring 19 is provided between the sealing skeleton 20 and the magnetic ring 17, and is nested and fixedly connected to the sealing skeleton 20.

[0031] In summary, this dual-end ABS non-directional mounting automotive wheel bearing structure features high structural integration, convenient installation, and high performance reliability. This structure integrates functional modules such as the wheel bearing, ABS (Anti-lock Braking System) signal generator, ABS sensor, and TPMS (Tire Pressure Monitoring System) sensor into a compact assembly.

[0032] This is achieved by incorporating magnetic sealing assemblies in the wheel hub bearing units on both sides. The magnetic field generated by these assemblies can be detected by ABS sensors, allowing speed signals to be obtained from either end of the wheel hub. When the wheel assembly is installed on the vehicle, there is no strict distinction between the inside and outside. It functions normally regardless of whether it is on the left or right side, or whether the inside or outside faces the vehicle body. This simplifies warehousing, logistics, and assembly line operations, reducing error rates.

[0033] It will be apparent to those skilled in the art that this invention is not limited to the details of the above exemplary embodiments, and that it can be implemented in other specific forms without departing from the essential characteristics of the invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0034] In summary, the above description is only a specific embodiment of the present utility model, but the structural features of the present utility model are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present utility model are covered by the patent scope of the present utility model.

Claims

1. A double-ended ABS non-directional mounting automotive wheel hub bearing structure, characterized in that: The device includes an inner hub (1) and an outer hub (3). Both the inner hub (1) and the outer hub (3) are provided with hub bearing units (5). An ABS sensor (4) is provided between the two hub bearing units (5) and is inserted into the inner hub (1). The hub bearing unit (5) includes an outer ring (12). The outer ring (12) has a pair of inner rings (16) that are mirror-symmetrically distributed and slidably fitted with the outer ring (12). Magnetic sealing components (15) are provided between the two ends of the outer ring (12) and the inner ring (16). A retainer (14) is provided between the inner ring (16) and the outer ring (12). The retainer (14) has several steel balls (13) that are slidably nested with the retainer (14).

2. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 1, characterized in that: The magnetic sealing assembly (15) includes a magnetic ring (17), and a sealing ring (18) is provided between the magnetic ring (17) and the inner ring (16) to be interlocked with the magnetic ring (17).

3. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 2, characterized in that: The magnetic ring (17) includes a magnetic skeleton (22), and a magnetic ring (21) fixed to the magnetic skeleton (22) is provided on the outer circular end face of the magnetic skeleton (22).

4. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 2, characterized in that: The sealing ring (18) includes a sealing skeleton (20), and a multi-lip rubber ring (19) is provided between the sealing skeleton (20) and the magnetic ring (17) and is nested and fixedly connected to the sealing skeleton (20).

5. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 1, characterized in that: The inner hub (1) and the outer hub (3) are provided with a number of connecting screws (7) arranged in a ring. Both ends of the connecting screws (7) are provided with locking nuts (8) that are threadedly connected to the connecting screws (7). The locking nuts (8) and the inner hub (1) and the locking nuts (8) and the outer hub (3) are provided with spring washers (9) that are connected to the connecting screws (7).

6. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 1, characterized in that: The inner hub (1) is provided with a pair of semi-circular retaining rings (11) that are nested in a slot with the inner hub (1) and limit the position of the hub bearing unit (5); the outer hub (3) is provided with an end cap (6) that is connected and fixed with the outer hub (3) by an insert screw and limits the position of the hub bearing unit (5).

7. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 1, characterized in that: A shock-absorbing washer (10) nested between the ABS sensor (4) and the outer wheel hub (3) is provided.

8. The double-ended ABS non-directional mounting automotive wheel hub bearing structure according to claim 1, characterized in that: The inner hub (1) is provided with a tire pressure sensor (2) extending to the outer end face of the inner hub (1).

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