CN214465622U

CN214465622U - Driving type hub bearing unit with active sensor

Info

Publication number: CN214465622U
Application number: CN202120525022.5U
Authority: CN
Inventors: 徐金坤; 徐燕飞
Original assignee: Hangzhou Huabo Auto Parts Co ltd
Current assignee: Hangzhou Huabo Auto Parts Co ltd
Priority date: 2021-03-12
Filing date: 2021-03-12
Publication date: 2021-10-22
Anticipated expiration: 2031-03-12

Abstract

The utility model relates to a take active sensor drive formula wheel hub bearing unit, affiliated wheel hub unit technical field, including the transmission shaft, the transmission shaft front end is equipped with and inlays the formula with the transmission shaft and cup joint fixed wheel hub bearing, is equipped with the bradyseism subassembly that cup joints with the transmission shaft is movable mutually on the transmission shaft. The hub bearing comprises a hub flange plate, a flange outer ring which is sleeved with the hub flange plate is arranged on the hub flange plate, a wide inner ring and a narrow inner ring are arranged between the flange outer ring and the hub flange plate, the wide inner ring and the narrow inner ring are distributed in a mirror symmetry mode, retainers are arranged between the wide inner ring and the flange outer ring and between the narrow inner ring and the flange outer ring, and a plurality of steel balls which are movably clamped and embedded with the retainers are arranged in the retainers. The structure has the characteristics of good shock absorption performance, good sealing effect, strong operation stability and long service life. The structural integrity of the wheel hub is guaranteed, the deformation of the wheel hub is reduced, and the safety and the stability of the automobile are improved.

Description

Driving type hub bearing unit with active sensor

Technical Field

The utility model relates to a wheel hub unit technical field, concretely relates to take active sensor drive formula wheel hub bearing unit.

Background

The hub unit, also called a hub bearing, is one of the key parts of an automobile, and mainly plays a role in bearing weight and providing precise guidance for the rotation of a hub, so that the hub unit is required to bear axial load and radial load. The traditional bearing for the automobile wheel is formed by combining two sets of tapered roller bearings or ball bearings, and the installation, the oil coating, the sealing and the clearance adjustment of the bearing are all carried out on an automobile production line. This structure makes it difficult, with high costs, the reliability poor in the assembly of automobile manufacturing factory, and when the car was maintained at the repair site, still need wash, fat liquoring and adjustment to the bearing.

The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates two sets of bearings, has the advantages of good assembly performance, capability of omitting clearance adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease in advance for sealing the bearings, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, and has a tendency of gradually expanding application in trucks. However, when the vehicle runs on a bumpy road section, the vehicle cannot effectively and timely brake to control the low-speed passing. The wheel hub is easy to deform, the service cycle is shortened, and the driving safety and stability are influenced.

Disclosure of Invention

The utility model discloses mainly solve and have the running stability poor among the prior art, the bradyseism effect is low and life is short not enough, provide a take active sensor drive formula wheel hub bearing unit, it has that the structure bradyseism performance is good, sealed effectual, the strong and long service life's of running stability characteristics. The structural integrity of the wheel hub is guaranteed, the deformation of the wheel hub is reduced, and the safety and the stability of the automobile are improved.

The above technical problem of the present invention can be solved by the following technical solutions:

the utility model provides a take active sensor drive formula wheel hub bearing unit, includes the transmission shaft, the transmission shaft front end be equipped with the transmission shaft insert the formula and cup joint fixed wheel hub bearing, the transmission shaft on be equipped with the movable bradyseism subassembly that cup joints of transmission shaft. The hub bearing comprises a hub flange plate, a flange outer ring which is sleeved with the hub flange plate is arranged on the hub flange plate, a wide inner ring and a narrow inner ring are arranged between the flange outer ring and the hub flange plate, the wide inner ring and the narrow inner ring are distributed in a mirror symmetry mode, retainers are arranged between the wide inner ring and the flange outer ring and between the narrow inner ring and the flange outer ring, and a plurality of steel balls which are movably clamped and embedded with the retainers are arranged in the retainers.

Preferably, a sensor fixing end cover is arranged at the rear end of the flange outer ring, a sensor which is fixedly connected with the sensor fixing end cover in a nested manner is arranged in the sensor fixing end cover, and a magnetic gear ring which is fixedly connected with the wide inner ring in a nested manner is arranged between the sensor and the wide inner ring.

Preferably, a multi-lip sealing ring integrated with the sensor fixing end cover is arranged between the sensor fixing end cover and the rear end of the wide inner ring, and a sealing ring is arranged between the front end of the flange outer ring and the narrow inner ring.

Preferably, the bradyseism subassembly include the supporting seat, supporting seat and transmission shaft between be equipped with and cup joint mutually and be the integration welded sleeve pipe with the supporting seat with the transmission shaft, supporting seat upper end establish the connecting plate, connecting plate and supporting seat between be equipped with a plurality of springs that are equidistant distribution.

Preferably, a bearing is arranged between the sleeve and the transmission shaft.

Preferably, rubber buffer columns are arranged in the springs.

Preferably, an internal spline shaft hole connected with the transmission shaft in a clamping spring type inserting and embedding manner is arranged in the hub flange.

The utility model discloses can reach following effect:

the utility model provides a take active sensor drive formula wheel hub bearing unit compares with prior art, has that the structure bradyseism performance is good, sealed effectual, the strong and long service life's of operating stability characteristics. The structural integrity of the wheel hub is guaranteed, the deformation of the wheel hub is reduced, and the safety and the stability of the automobile are improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a structural sectional view of the hub bearing of the present invention.

Fig. 3 is a schematic structural diagram of a shock absorption assembly of the present invention.

In the figure: the vibration damping device comprises a transmission shaft 1, a vibration damping component 2, a hub bearing 3, a wide inner ring 4, a sensor 5, a flange outer ring 6, a narrow inner ring 7, a hub flange plate 8, an internal spline shaft hole 9, a sealing ring 10, a steel ball 11, a retainer 12, a magnetic gear ring 13, a sensor fixing end cover 14, a multi-lip sealing ring 15, a connecting plate 16, a supporting seat 17, a rubber buffer column 18, a spring 19, a sleeve 20 and a bearing 21.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): as shown in fig. 1, 2 and 3, a driving type hub bearing unit with an active sensor includes a transmission shaft 1, a hub bearing 3 inserted and embedded with the transmission shaft 1 is provided at the front end of the transmission shaft 1, the hub bearing 3 includes a hub flange 8, and an internal spline shaft hole 9 inserted and embedded with the transmission shaft 1 is provided in the hub flange 8. The hub flange plate 8 is provided with a flange outer ring 6 which is sleeved with the hub flange plate 8, a wide inner ring 4 and a narrow inner ring 7 are arranged between the flange outer ring 6 and the hub flange plate 8, the wide inner ring 4 and the narrow inner ring 7 are distributed in a mirror symmetry mode, retainers 12 are arranged between the wide inner ring 4 and the flange outer ring 6 and between the narrow inner ring 7 and the flange outer ring 6, and 8 steel balls 11 which are movably connected with the retainers 12 in a clamping and embedding manner are arranged in the retainers 12. The rear end of the flange outer ring 6 is provided with a sensor fixing end cover 14, a sensor 5 which is fixedly connected with the sensor fixing end cover 14 in an embedded manner is arranged in the sensor fixing end cover 14, and a magnetic gear ring 13 which is fixedly connected with the wide inner ring 4 in an embedded manner is arranged between the sensor 5 and the wide inner ring 4. A multi-lip sealing ring 15 integrated with the sensor fixing end cover 14 is arranged between the sensor fixing end cover 14 and the rear end of the wide inner ring 4, and a sealing ring 10 is arranged between the front end of the flange outer ring 6 and the narrow inner ring 7. The transmission shaft 1 is provided with a shock absorption component 2 movably sleeved with the transmission shaft 1. The shock absorption assembly 2 comprises a supporting seat 17, a sleeve 20 which is sleeved with the transmission shaft 1 and integrally welded with the supporting seat 17 is arranged between the supporting seat 17 and the transmission shaft 1, and a bearing 21 is arranged between the sleeve 20 and the transmission shaft 1. The connecting plate 16 is arranged at the upper end of the supporting seat 17, and 2 springs 19 which are symmetrically distributed are arranged between the connecting plate 16 and the supporting seat 17. The springs 19 are all internally provided with rubber buffer columns 18.

To sum up, this take active sensor drive formula wheel hub bearing unit has that the structure bradyseism performance is good, sealed effectual, operating stability is strong and long service life's characteristics. The structural integrity of the wheel hub is guaranteed, the deformation of the wheel hub is reduced, and the safety and the stability of the automobile are improved.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without deviating from the basic characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

In conclusion, the above description is only the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art can make changes or modifications within the scope of the present invention.

Claims

1. The utility model provides a take active sensor drive formula wheel hub bearing unit which characterized in that: the shock absorber comprises a transmission shaft (1), wherein a hub bearing (3) which is fixedly sleeved with the transmission shaft (1) in an inserting and embedding manner is arranged at the front end of the transmission shaft (1), and a shock absorption assembly (2) which is movably sleeved with the transmission shaft (1) is arranged on the transmission shaft (1); wheel hub bearing (3) include wheel hub ring flange (8), wheel hub ring flange (8) on be equipped with flange outer lane (6) that cup joint mutually with wheel hub ring flange (8), flange outer lane (6) and wheel hub ring flange (8) between be equipped with broad inner circle (4) and narrow inner circle (7), broad inner circle (4) and narrow inner circle (7) be mirror symmetry formula and distribute, broad inner circle (4) and flange outer lane (6) between, narrow inner circle (7) and flange outer lane (6) between all be equipped with holder (12), holder (12) in be equipped with a plurality of steel ball (11) of being connected with holder (12) movable inlay card mutually.

2. A driven hub-bearing unit with active sensor according to claim 1, characterized in that: the rear end of the flange outer ring (6) is provided with a sensor fixing end cover (14), a sensor (5) fixedly connected with the sensor fixing end cover (14) in an embedded manner is arranged in the sensor fixing end cover (14), and a magnetic gear ring (13) fixedly connected with the inner broad ring (4) in an embedded manner is arranged between the sensor (5) and the inner broad ring (4).

3. A driven hub-bearing unit with an active sensor according to claim 2, characterized in that: a multi-lip sealing ring (15) integrated with the sensor fixing end cover (14) is arranged between the sensor fixing end cover (14) and the rear end of the wide inner ring (4), and a sealing ring (10) is arranged between the front end of the flange outer ring (6) and the narrow inner ring (7).

4. A driven hub-bearing unit with active sensor according to claim 1, characterized in that: bradyseism subassembly (2) including supporting seat (17), supporting seat (17) and transmission shaft (1) between be equipped with and cup joint mutually with transmission shaft (1) and be integration welded sleeve pipe (20) with supporting seat (17), supporting seat (17) upper end establish connecting plate (16), connecting plate (16) and supporting seat (17) between be equipped with a plurality of spring (19) that are equidistant distribution.

5. A driven hub-bearing unit with active sensor according to claim 4, characterized in that: a bearing (21) is arranged between the sleeve (20) and the transmission shaft (1).

6. A driven hub-bearing unit with active sensor according to claim 4, characterized in that: and rubber buffer columns (18) are arranged in the springs (19).

7. A driven hub-bearing unit with active sensor according to claim 1, characterized in that: the hub flange (8) is internally provided with an internal spline shaft hole (9) which is connected with the transmission shaft (1) in an inserted and embedded manner in a clamping spring manner.