CN212400781U

CN212400781U - Wheel hub assembly for automobile

Info

Publication number: CN212400781U
Application number: CN202020734064.5U
Authority: CN
Inventors: 陆荣祥
Original assignee: Huzhou Huineng Electromechanical Technology Co Ltd
Current assignee: Huzhou Huineng Electromechanical Technology Co Ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2021-01-26
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a wheel hub assembly for car relates to auto-parts technical field, including wheel hub casing and axle spare, the inner wall of wheel hub casing cup joints with the outer wall of axle spare, the inside of wheel hub casing is provided with shaft hole, bearing, closing cap, first screw hole and locating hole, the shaft hole is located the inside of wheel hub casing and is seted up, and the shaft hole is the echelonment, the inner wall joint in shaft hole has the bearing, the other end joint that the bearing was kept away from in the shaft hole has the closing cap. The utility model discloses an outside bearing provides accurate guide for wheel hub's rotation, has both born axial load and bears radial load, selects two sets of original bearings to have that the equipment performance is good, can omit clearance adjustment, light in weight, compact structure, load capacity are big, for sealed bearing can pack into lubricating grease in advance, omit advantages such as outside wheel hub is sealed and avoid the maintenance, can be applied to in various cars.

Description

Wheel hub assembly for automobile

Technical Field

The utility model relates to the technical field of auto-parts, specifically be a wheel hub assembly for car.

Background

At present, when a hub is assembled by manufacturers, most hubs are of a split structure, namely, the hubs, bearings, shafts and other accessories provided by suppliers need to be assembled one by one. In the assembling process, the problem of reverse adjustment and installation of the inner ring of the bearing is easy to occur, so that the use correctness and precision of the bearing are influenced, and the service life of the bearing is finally shortened. And the sealing performance of the hub of the existing split structure is not perfect, and the sealing between the shaft and the bearing is neglected. Meanwhile, the spindle nose nut provides pretightening force to directly act on the bearing, so that the bearing raceway deforms, and the service life of the bearing is shortened due to abnormal load distribution of the bearing in the using process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a wheel hub assembly for car possesses light in weight, compact structure, advantage that load capacity is big, has solved because the spindle nose nut provides the pretightning force direct action on the bearing, leads to the bearing raceway to take place to warp, and then makes the bearing distribute with the load of in-process and takes place unusually and reduce the life's of bearing problem.

The utility model discloses a solve above-mentioned technical problem, provide following technical scheme: the utility model provides a wheel hub assembly for car, includes wheel hub casing and axle piece, the inner wall of wheel hub casing cup joints with the outer wall of axle piece.

Further, the inside of wheel hub casing is provided with shaft hole, bearing, closing cap, first screw hole and locating hole, the shaft hole is located the inside of wheel hub casing and sets up, and the shaft hole is the echelonment, the inner wall joint in shaft hole has the bearing, the other end joint that the bearing was kept away from in the shaft hole has the closing cap, first screw hole has been seted up to the outer wall of wheel hub casing, and the quantity of first screw hole is four, the locating hole has been seted up to one side that first screw hole was kept away from to the wheel hub casing, and the quantity of locating hole is one.

By adopting the technical scheme, the original two sets of bearings are selected as one set of bearings, and the bearing 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, no maintenance and the like.

Further, the inside of axle piece is provided with first gasket, nut and screw thread, the outer wall of axle piece has cup jointed first gasket, the outer wall of axle piece is seted up threadedly, the outer wall threaded connection of screw thread has the nut, the outer wall of axle piece is through the inner wall threaded connection of the screw thread that sets up and nut.

Through adopting above-mentioned technical scheme, the reverse screw thread in screw thread position that sets up prevents to be the same with the working direction, avoids taking place to drop and takes place danger.

Furthermore, the opposite surface of the shaft, which is far away from the first gasket, is provided with a second gasket, the outer wall of the second gasket is lapped with an elastic part, the opposite surface of the shaft, which is far away from the threads, is provided with a groove, the inner wall of the groove is provided with two bosses, and the outer wall of one side of the shaft, which is close to the groove, is provided with a second threaded hole.

Through adopting above-mentioned technical scheme, the first gasket and the second gasket of setting, and then increase the elasticity of equipment, avoid the excessive force to damage this wheel hub assembly for car.

Further, the outer wall of axle spare and the inner wall joint of bearing, the opposite face that the elastic component was kept away from to the second gasket and the outer wall overlap joint of bearing, the opposite face that the nut was kept away from to the outer wall of first gasket and the outer wall overlap joint of bearing, the inner wall of closing cap and the outer wall joint of nut.

Compared with the prior art, this wheel hub assembly for car possesses following beneficial effect:

the utility model discloses an outside bearing provides accurate guide for wheel hub's rotation, has both born axial load and born radial load, has avoided because the nut on the axle provides the pretightning force and directly acts on the bearing, leads to the bearing raceway to take place to warp, has improved the life of bearing. The original two sets of bearings are selected as one set of bearings, so that the automobile wheel hub bearing has the advantages of good assembling 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 wheel hub sealing, free maintenance and the like, and can be applied to various automobiles.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the structure of fig. 1 of the present invention.

In the figure: 1. a hub shell; 2. a shaft member; 3. a shaft hole; 4. a bearing; 5. a first gasket; 6. a nut; 7. sealing the cover; 8. a second gasket; 9. an elastic member; 10. a groove; 11. a boss; 12. a thread; 13. a first threaded hole; 14. a second threaded hole; 15. and (7) positioning the holes.

Detailed Description

Referring to fig. 1-2, the present invention provides a technical solution: a wheel hub assembly for an automobile comprises a wheel hub shell 1 and a shaft part 2, wherein the inner wall of the wheel hub shell 1 is sleeved with the outer wall of the shaft part 2, in the embodiment, a shaft hole 3, a bearing 4, a sealing cover 7, a first threaded hole 13 and positioning holes 15 are arranged in the wheel hub shell 1, the shaft hole 3 is formed in the wheel hub shell 1 and is in a step shape, the bearing 4 is clamped on the inner wall of the shaft hole 3, the sealing cover 7 is clamped on the other end, away from the bearing 4, of the shaft hole 3, the first threaded hole 13 is formed in the outer wall of the wheel hub shell 1, the number of the first threaded holes 13 is four, the positioning holes 15 are formed in one side, away from the first threaded hole 13, of the wheel hub shell 1, the number of the positioning holes 15 is one, two original sets of bearings are selected as a set, and the wheel hub shell has the advantages of good assembly performance, omission of gap adjustment, light, The external hub sealing is omitted, and the maintenance is avoided.

In this embodiment, a first gasket 5, a nut 6 and a thread 12 are arranged inside a shaft 2, the outer wall of the shaft 2 is sleeved with the first gasket 5, the outer wall of the shaft 2 is provided with the thread 12, the outer wall of the thread 12 is in threaded connection with the nut 6, the outer wall of the shaft 2 is in threaded connection with the inner wall of the nut 6 through the arranged thread 12, the arranged thread 12 is a reverse thread, the same working direction is prevented, and the danger of falling off is avoided, wherein a second gasket 8 is arranged on the opposite surface of the shaft 2 away from the first gasket 5, an elastic member 9 is lapped on the outer wall of the second gasket 8, a groove 10 is arranged on the opposite surface of the shaft 2 away from the thread 12, two bosses 11 are arranged on the inner wall of the groove 10, a second threaded hole 14 is arranged on the outer wall of one side of the shaft 2 close to the groove 10, the first gasket 5 and the second gasket 8 are arranged, so as to further increase the assembly elasticity and, wherein, the outer wall of shaft member 2 and the inner wall joint of bearing 4, the second gasket 8 keep away from the opposite face of elastic component 9 and the outer wall overlap joint of bearing 4, the opposite face that nut 6 was kept away from to the outer wall of first gasket 5 and the outer wall overlap joint of bearing 4, the inner wall of closing cap 7 and the outer wall joint of nut 6.

When the bearing is used, accurate guide is provided for rotation of the hub through external bearing, the bearing bears axial load and radial load, deformation of a roller path of the bearing 4 caused by the fact that the nut 6 on the shaft element 2 provides pretightening force to directly act on the bearing is avoided, and the service life of the bearing is prolonged. The original two sets of bearings are selected as one set of bearings 4, so that the integrated automobile bearing 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 the sealed bearings 4 in advance, capability of omitting external hub sealing, no maintenance and the like, and can be applied to various automobiles.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a reference structure" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the spirit and scope of the invention, the scope of which is defined in the appended claims and their equivalents. The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A wheel hub assembly for an automobile, comprising a wheel hub shell (1) and an axle (2), characterized in that: the inner wall of the hub shell (1) is sleeved with the outer wall of the shaft piece (2).

2. The wheel hub assembly as set forth in claim 1, wherein: the utility model discloses a wheel hub shell, including wheel hub shell (1), the inside of wheel hub shell (1) is provided with shaft hole (3), bearing (4), closing cap (7), first screw hole (13) and locating hole (15), shaft hole (3) are located the inside of wheel hub shell (1) and are seted up, and shaft hole (3) are the echelonment, the inner wall joint in shaft hole (3) has bearing (4), the other end joint that bearing (4) were kept away from in shaft hole (3) has closing cap (7), first screw hole (13) have been seted up to the outer wall of wheel hub shell (1), and the quantity of first screw hole (13) is four, locating hole (15) have been seted up to one side that first screw hole (13) were kept away from in wheel hub shell (1), and the quantity of locating.

3. The wheel hub assembly as set forth in claim 1, wherein: the novel bearing is characterized in that a first gasket (5), a nut (6) and a thread (12) are arranged inside the shaft (2), the first gasket (5) is sleeved on the outer wall of the shaft (2), the thread (12) is arranged on the outer wall of the shaft (2), the nut (6) is connected to the outer wall of the thread (12) in a threaded mode, and the outer wall of the shaft (2) is connected with the inner wall of the nut (6) in a threaded mode through the thread (12) arranged.

4. A wheel hub assembly for an automobile according to claim 3, wherein: the anti-vertical plane of keeping away from first gasket (5) in axle piece (2) is provided with second gasket (8), the outer wall overlap joint of second gasket (8) has elastic component (9), the anti-vertical plane that screw thread (12) were kept away from in axle piece (2) is seted up flutedly (10), the inner wall of recess (10) is provided with two boss (11), second screw hole (14) have been seted up to one side outer wall that axle piece (2) is close to flutedly (10).

5. The wheel hub assembly as set forth in claim 4, wherein: the outer wall of axle spare (2) and the inner wall joint of bearing (4), the opposite face that elastic component (9) were kept away from in second gasket (8) and the outer wall overlap joint of bearing (4), the opposite face that nut (6) were kept away from to the outer wall of first gasket (5) and the outer wall overlap joint of bearing (4), the inner wall of closing cap (7) and the outer wall joint of nut (6).