CN219618838U - Drive assembly and vehicle - Google Patents

Abstract

The utility model discloses a driving assembly and a vehicle. The drive assembly includes a connecting ring, a drive shaft, and a hub bearing. The drive shaft includes a drive engagement end face and a connecting shaft extending from the drive engagement end face. The drive engagement face is formed with first face teeth. The connecting shaft includes a drive connection side. The driving shaft is formed with a first positioning groove along the circumferential direction at the driving connection side surface. The hub bearing includes a bearing engagement end face and a connecting groove recessed from the bearing engagement end face. The bearing engagement end face is formed with second end face teeth that mate with the first end face teeth. The connecting groove is formed with a bearing connecting side surface which is matched with the driving connecting side surface. The hub bearing is formed with a second positioning groove along the circumferential direction at the bearing connection side. The connecting ring, the first detent and the second detent are configured to cooperate such that the connecting ring snaps into the first detent and the second detent to position the drive shaft to the hub bearing with the first end face teeth intermeshed with the second end face teeth. The drive assembly described above ensures proper assembly and prevents damage to the parts.

Description

Drive assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a driving assembly and a vehicle.

Background

The vehicle includes constant speed drive shaft and wheel hub bearing, and constant speed drive shaft and wheel hub bearing pass through the face tooth structure meshing and connect, nevertheless because the face tooth structure is hidden inside, can't judge when leading to the assembler to assemble whether the face tooth structure meshing is in place, can't discover badly, cause the abnormal sound after the equipment easily, damage the part even.

Disclosure of Invention

Embodiments of the present utility model provide a drive assembly and a vehicle.

A drive assembly of an embodiment of the present utility model is for a vehicle, the drive assembly including:

a connecting ring;

the driving shaft comprises a driving engagement end face and a connecting shaft extending from the driving engagement end face, the driving engagement end face is provided with first end face teeth, the connecting shaft comprises a driving connection side face, and a first positioning groove is formed in the driving connection side face along the circumferential direction;

the hub bearing comprises a bearing engagement end face and a connecting groove which is sunken from the bearing engagement end face, the bearing engagement end face is provided with second end face teeth matched with the first end face teeth, the connecting groove is provided with a bearing connection side face matched with the driving connection side face, and the hub bearing is provided with a second positioning groove along the circumferential direction on the bearing connection side face;

the connecting ring, the first detent and the second detent are configured to cooperate such that the connecting ring snaps into the first detent and the second detent to position the drive shaft to the hub bearing such that the first face teeth intermesh with the second face teeth.

Above-mentioned drive assembly is through increasing first constant head tank, second constant head tank and go-between for part of go-between is located first constant head tank and another part of go-between is located the second constant head tank during assembly, thereby can accurately fix a position the drive shaft to hub bearing, need not to judge through observing inside that first terminal surface tooth and second terminal surface tooth mesh correctly, be convenient for judge the bad of assembly, prevent abnormal sound and part damage.

In some embodiments, the connecting ring is formed with an opening along the circumferential direction, and the connecting ring is clamped into the first positioning groove through the opening.

In some embodiments, the first positioning groove has a groove depth greater than or equal to the diameter of the cross section of the connecting ring.

In some embodiments, the end face of the connecting shaft and the drive connection side face are formed with chamfers.

In some embodiments, the driving shaft is formed with a screw hole on an end surface of the connection shaft, the hub bearing is formed with a connection hole at a bottom of the connection groove, and the driving assembly further includes a connection bolt configured to fixedly connect the driving shaft and the hub bearing through the screw hole by the connection Kong Luojin after the driving shaft is positioned to the hub bearing through the first positioning groove, the second positioning groove and the connection ring.

In some embodiments, the driving assembly includes a sealing ring connecting the hub bearing and the driving shaft, a mounting space is formed between the driving shaft and the hub bearing, and the sealing ring is used for sealing the mounting space.

In some embodiments, the sealing ring comprises a clamping section connected with the hub bearing, a connecting section extending from one end of the clamping section away from the hub bearing to a direction away from the hub bearing, and a sealing section extending from one end of the connecting section away from the hub bearing to a direction of the connecting groove, wherein under the condition that the connecting shaft is inserted into the connecting groove, one end of the sealing section away from the connecting section moves to a direction close to the connecting section, and one end of the sealing section away from the connecting section is attached to the driving shaft.

In certain embodiments, the drive assembly further comprises a dust cover disposed on the drive shaft, the hub bearing comprises a magnetic powder sensor disposed between the seal ring and the dust cover, and the dust cover is configured to cooperate with the seal ring to protect the magnetic powder sensor.

In some embodiments, the drive assembly includes a universal joint coupled to the drive shaft for enabling the drive shaft to transmit drive forces in balance over a range of angles.

A vehicle according to an embodiment of the present utility model includes the drive assembly according to any one of the above embodiments.

Above-mentioned vehicle is through increasing first constant head tank, second constant head tank and go-between for a part of go-between is located first constant head tank and another part of go-between is located the second constant head tank during assembly, thereby can accurately fix a position the drive shaft to the wheel hub bearing, need not through observing inside can judge first terminal surface tooth and second terminal surface tooth and correctly mesh, the bad of being convenient for judge the assembly prevents abnormal sound and part damage.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the present utility model will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:

FIG. 1 is a schematic structural view of a cross section of a drive assembly according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 2;

FIG. 4 is a schematic view of the structure of a connecting ring according to an embodiment of the present utility model;

FIG. 5 is a schematic view in partial cross-section of a seal ring according to an embodiment of the present utility model;

fig. 6 is a schematic structural view of a vehicle according to an embodiment of the present utility model.

Reference numerals illustrate:

100. a drive assembly; 10. a drive shaft; 12. driving the engagement end face; 13. a first end face tooth; 14. a connecting shaft; 15. a drive connection side; 16. a first positioning groove; 18. a screw hole; 20. a hub bearing; 22. bearing engagement end surfaces; 23. a second end face tooth; 24. a connecting groove; 25. the bearing is connected with the side surface; 26. a second positioning groove; 28. a connection hole; 30. a connecting ring; 32. an opening; 40. a connecting bolt; 50. a seal ring; 52. a clamping section; 54. a connection section; 56. a sealing section; 60. an installation space; 70. a dust cover; 80. a universal joint;

200. a chassis;

1000. a vehicle.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the embodiments of the present utility model and are not to be construed as limiting the embodiments of the present utility model.

In an embodiment of the utility model, a first feature "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following disclosure provides many different embodiments, or examples, for implementing different structures of embodiments of the utility model. In order to simplify the disclosure of embodiments of the present utility model, components and arrangements of specific examples are described below. They are, of course, merely examples and are not intended to limit the utility model. Embodiments of the present utility model may repeat reference numerals and/or letters in the various examples, which are for the purpose of brevity and clarity, and do not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, embodiments of the present utility model provide examples of various specific processes and materials, but one of ordinary skill in the art will recognize the application of other processes and/or the use of other materials.

Referring to fig. 1, 2 and 3, a drive assembly 100 according to an embodiment of the present utility model is used in a vehicle 1000. The drive assembly 100 includes a connecting ring 30, a drive shaft 10 and a hub bearing 20. The drive shaft 10 includes a drive engagement end face 12 and a connecting shaft 14 extending from the drive engagement end face 12. The drive engagement face 12 is formed with first face teeth 13. The connecting shaft 14 comprises a drive connection side 15. The drive shaft 10 is formed with a first positioning groove 16 in the circumferential direction at the drive connection side 15. Hub bearing 20 includes a bearing engaging end surface 22 and a connecting groove 24 recessed from bearing engaging end surface 22. The bearing engaging end face 22 is formed with second end face teeth 23 that mate with the first end face teeth 13. The connection groove 24 is formed with a bearing connection side 25 that mates with the drive connection side 15. The hub bearing 20 is formed with a second positioning groove 26 in the circumferential direction at the bearing connecting side 25. The coupling ring 30, the first detent 16 and the second detent 26 are configured to cooperate such that the coupling ring 30 snaps into the first detent 16 and the second detent 26 to position the drive shaft 10 to the hub bearing 20 such that the first face teeth 13 intermesh with the second face teeth 23.

Above-mentioned drive assembly 100 is through increasing first constant head tank 16, second constant head tank 26 and go-between 30 for part of go-between 30 is located first constant head tank 16 and another part of go-between 30 is located second constant head tank 26 during the assembly, thereby can accurately fix a position drive shaft 10 on hub bearing 20, need not through observing inside can judge that first terminal surface tooth 13 and second terminal surface tooth 23 mesh correctly, is convenient for judge the bad of assembly, prevents abnormal sound and part damage.

Specifically, in the embodiment shown in fig. 2, the drive assembly 100 is provided with a connecting ring 30. The interface of the connecting ring 30 may be circular. The drive assembly 100 is provided with a drive shaft 10. The drive shaft 10 includes a drive engagement end face 12 and a connecting shaft 14. The drive engagement end face 12 may be provided at a position near the end of the drive shaft 10. The connecting shaft 14 may have a cylindrical shape. The connecting shaft 14 may extend outwardly from the drive engagement end face 12. The first end face teeth 13 may be formed on the drive engagement end face 12. The first end face teeth 13 may be disposed on the drive engagement end face 12 around the connecting shaft 14 and proximate to the outer edge of the drive engagement end face 12. In fig. 3, the connecting shaft 14 is provided with a drive connection side 15, and the drive connection side 15 may be an outer side wall of the connecting shaft 14. The driving connection side 15 may be formed with a first positioning groove 16 in a circumferential direction. The first detent 16 can be arranged annularly on the drive connection side 15. The drive assembly 100 is also provided with a hub bearing 20. Hub bearing 20 is provided with a bearing engagement end surface 22. The bearing engaging end surface 22 may be recessed with a connecting groove 24 in a direction away from the bearing engaging end surface 22. The connecting groove 24 may have a cylindrical shape. The second face teeth 23 may be disposed around the connecting groove 24 on the bearing engaging face 22 and proximate to the outer edge of the bearing engaging face 22. The second face teeth 23 are matingly connectable with the first face teeth 13. The coupling groove 24 may be formed with bearing coupling sides 25, and the bearing coupling sides 25 may be inner sidewalls of the coupling groove 24. The bearing connection side 25 can cooperate with the drive connection side 15. The bearing connection side 25 may be formed with a second positioning groove 26 in the circumferential direction. The second positioning groove 26 may be annularly provided on the bearing attachment side 25. In one embodiment, when assembling the drive shaft 10 and the hub bearing 20, the driving connection side 15 may be mutually attached to the bearing connection side 25, a portion of the connection ring 30 may be located in the first positioning groove 16, and another portion of the connection ring 30 may be located in the second positioning groove 26, so that the first end face teeth 13 and the second end face teeth 23 may be mutually engaged, so that the drive shaft 10 is accurately positioned on the hub bearing 20, and thus the first end face teeth 13 and the second end face teeth 23 may be correctly engaged without observing the inside, so that the assembly defect is conveniently judged, and abnormal noise and part damage are prevented.

In one embodiment, when the tooth tops of the first end face teeth 13 and the second end face teeth 23 are in contact with each other, the first end face teeth 13 and the second end face teeth 23 are not engaged, the notch of the first positioning groove 16 and the notch of the second positioning groove 26 are offset, and the connecting ring 30 is engageable in the first positioning groove 16 but not in the second positioning groove 26.

Referring to fig. 3 and 4, in some embodiments, the connecting ring 30 is formed with openings 32 in the circumferential direction. The connecting ring 30 is snapped into the first detent 16 through the opening 32.

Thus, the connecting ring 30 can be conveniently clamped into the first positioning groove 16, damage to the connecting shaft 14 in the mounting process is prevented, and the connecting ring is simple and convenient to mount, thereby being beneficial to improving the assembly efficiency.

Specifically, in the embodiment shown in fig. 4, the connecting ring 30 is provided with an opening 32. The connecting ring 30 may have a circular cross section. The material of the connecting ring 30 may be spring steel. In one embodiment, when the connecting ring 30 is assembled, when the opening 32 is close to the bottom of the first positioning groove 16, two ends of the opening 32 formed by the connecting ring 30 can be spread by the bottom of the first positioning groove 16 due to elastic deformation, and after two ends of the opening 32 formed by the connecting ring 30 are separated from the bottom of the first positioning groove 16, two ends of the opening 32 formed by the connecting ring 30 can be restored to the original state due to elastic deformation so that the connecting ring 30 can be clamped into the first positioning groove 16. That is, the opening 32 is formed on the connecting ring 30, so that the connecting ring 30 can be conveniently clamped into the first positioning groove 16, damage to the connecting shaft 14 in the mounting process is prevented, and the mounting is simple and convenient, thereby being beneficial to improving the assembly efficiency.

Referring to fig. 3, in some embodiments, the depth of the first positioning groove 16 is greater than or equal to the diameter of the cross section of the connecting ring 30.

In this way, when the driving shaft 10 and the hub bearing 20 are assembled, the first positioning groove 16 has enough space to allow the connecting ring 30 to be completely clamped, so that the connecting ring 30 and the driving shaft 10 cannot be inserted into the hub bearing 20 in the assembly process, and interference and part damage are prevented.

Specifically, in the embodiment shown in fig. 3, the groove depth of the first positioning groove 16 may be denoted by H, and the diameter of the cross section of the connection ring 30 may be denoted by D. The groove depth H of the first positioning groove 16 is greater than or equal to the diameter D of the connecting ring 30. In one embodiment, when assembling the drive shaft 10 and the hub bearing 20, in the case that the groove depth H of the first positioning groove 16 is greater than or equal to the diameter D of the connecting ring 30, enough space is allowed for the connecting ring 30 to be completely clamped in, so that the connecting ring 30 and the drive shaft 10 cannot be inserted into the hub bearing 20 during the assembling process, and interference and part damage are prevented.

It should be noted that, in one embodiment, when the notch of the first positioning groove 16 is substantially completely opposite to the notch of the second positioning groove 26 during the assembly of the driving shaft 10 and the hub bearing 20, the connection ring 30 may be restored due to elastic deformation such that another portion of the connection ring 30 may be snapped into the second positioning groove 26.

Referring to fig. 3, in some embodiments, the end face of the connecting shaft 14 and the drive connection side 15 are chamfered.

Thus, the connecting shaft 14 can be easily inserted into the connecting groove 24, damage to parts due to collision of edges and corners can be avoided, and assembly efficiency can be improved.

Specifically, in fig. 3, a chamfer formed by the drive connection side surface 15 and the end surface of the connection shaft 14 may be denoted by θ. In one embodiment, when assembling the driving shaft 10 and the hub bearing 20, the connecting shaft 14 is positioned close to the connecting groove 24, and the connecting side 15 is driven to form the chamfer θ with the end surface of the connecting shaft 14 during the process of inserting the connecting shaft 14 into the connecting groove 24, so that the connecting shaft 14 can be easily inserted into the connecting groove 24, and damage to parts caused by rigid collision between the chamfer and the inner wall of the connecting groove 24 can be avoided, and meanwhile, the assembling efficiency can be improved.

Referring to fig. 1 and 2, in some embodiments, the drive shaft 10 is formed with screw holes 18 on an end surface of the connecting shaft 14. The hub bearing 20 has a coupling hole 28 formed at the bottom of the coupling groove 24. The drive assembly 100 also includes a connecting bolt 40. The coupling bolts 40 are configured to fixedly couple the drive shaft 10 and the hub bearing 20 by the coupling holes 28 being screwed into the screw holes 18 after the drive shaft 10 is positioned to the hub bearing 20 by the first positioning grooves 16, the second positioning grooves 26 and the coupling ring 30.

In this way, the connecting bolt 40 can fixedly connect the driving shaft 10 with the hub bearing 20 through the connecting hole 28 and the screw hole 18, so as to prevent the driving shaft 10 and the hub bearing 20 from loosening after the assembly is completed, thereby causing abnormal noise and damaging parts.

Specifically, in the embodiment shown in fig. 2, the screw hole 18 may be formed at a central position on the end surface of the connection shaft 14. The coupling hole 28 may be formed at a central position of the bottom of the coupling groove 24 and disposed through the hub bearing 20. One end of the connecting bolt 40 may be provided with threads (not shown). The connecting bolt 40 may be threaded into the screw hole 18. In one embodiment, after the connecting ring 30 is clamped into the first positioning groove 16 and the second positioning groove 26 and the first end face tooth 13 and the second end face tooth 23 are meshed with each other, the driving shaft 10 can be accurately positioned on the hub bearing 20, then the connecting bolt 40 passes through the connecting hole 28, and one threaded end of the connecting bolt 40 is screwed into the screw hole 18, so that the driving shaft 10 can be fixedly connected with the hub bearing 20, and the driving shaft 10 and the hub bearing 20 after assembly are prevented from loosening, causing abnormal noise and damaging parts.

Referring to fig. 2, in some embodiments, the drive assembly 100 includes a seal ring 50. The seal ring 50 connects the hub bearing 20 with the drive shaft 10. An installation space 60 is formed between the drive shaft 10 and the hub bearing 20. The sealing ring 50 serves to seal the installation space 60.

In this way, foreign matter can be prevented from entering between the first end face teeth 13 and the second end face teeth 23, and damage to the first end face teeth 13 and the second end face teeth 23 due to the fact that the first end face teeth 13 and the second end face teeth 23 are not meshed in place can be avoided.

Specifically, in fig. 2, the seal ring 50 may have a circular shape. One end of the seal ring 50 may be connected to the hub bearing 20 and the other end may be connected to the drive shaft 10. With the drive shaft 10 accurately positioned onto the hub bearing 20, a mounting space 60 may be formed between the drive shaft 10 and the hub bearing 20. The first face tooth 13 and the second face tooth 23 may be disposed in the installation space 60. In one embodiment, the seal ring 50 may be clamped to one end of the hub bearing 20, and then the driving shaft 10 is positioned and assembled on the hub bearing 20, at the same time, one end of the seal ring 50 may abut against the driving shaft 10, so that the seal ring 50, the hub bearing 20 and the driving shaft 10 cooperate to form a sealed installation space 60, thereby preventing impurities from entering between the first end face teeth 13 and the second end face teeth 23, avoiding the first end face teeth 13 and the second end face teeth 23 from being not engaged in place, and damaging the first end face teeth 13 and the second end face teeth 23.

Referring to fig. 2 and 5, in some embodiments, the seal ring 50 includes a snap-in section 52 coupled to the hub bearing 20, a connecting section 54 extending from an end of the snap-in section 52 away from the hub bearing 20 in a direction away from the hub bearing 20, and a seal section 56 extending from an end of the connecting section 54 away from the hub bearing 20 in a direction toward the connecting groove 24. With the coupling shaft 14 inserted into the coupling groove 24, the end of the sealing section 56 remote from the coupling section 54 is movable in a direction approaching the coupling section 54. The end of the seal segment 56 remote from the connecting segment 54 is disposed in abutting engagement with the drive shaft 10.

In this way, the sealing ring 50 can enable the end of the sealing section 56 far away from the connecting section 54 to move towards the direction close to the connecting section 54 under the condition that the driving shaft 10 is extruded by the sealing section 56, so that the sealing section 56 can be tightly attached to the driving shaft 10, and the tightness is further enhanced.

Specifically, in the embodiment shown in fig. 5, a portion of the cross section of the seal ring 50 may be bent or curved. Seal ring 50 includes a clamping section 52, a connecting section 54, and a sealing section 56. The clamping section 52 may be in the form of a transverse L-shape and may be coupled to the hub bearing 20. The connection section 54 may extend from an end of the snap-in section 52 remote from the hub bearing 20 in a direction away from the hub bearing 20. The seal segment 56 may extend from an end of the connecting segment 54 remote from the hub bearing 20 toward the connecting slot 24. In one embodiment, with the coupling shaft 14 inserted into the coupling groove 24, the end of the seal segment 56 distal from the coupling segment 54 may be compressed by the drive shaft 10 such that the end of the seal segment 56 distal from the coupling segment 54 moves in a direction toward the coupling segment 54, thereby allowing the seal segment 56 to closely conform to the drive shaft 10, further enhancing the sealing.

Referring to fig. 2, in some embodiments, the drive assembly 100 further includes a dust cap 70. A dust cover 70 is provided on the drive shaft 10. Hub bearing 20 includes a magnetic particle sensor (not shown). The magnetic particle sensor is disposed between the seal ring 50 and the dust cap 70. The dust cap 70 is used to cooperate with the seal ring 50 to protect the magnetic powder sensor.

Therefore, dust in the external environment can be prevented from entering and covering the magnetic powder sensor, the accuracy of the magnetic powder sensor is affected, and the magnetic powder sensor is prevented from being damaged.

Specifically, in fig. 2, the dust cap 70 may have an inverted U-shape in cross-section. The dust cap 70 may be sleeved on the drive shaft 10. A magnetic particle sensor may be provided between the seal ring 50 and the dust cap 70. In one embodiment, when the driving shaft 10 is accurately positioned on the hub bearing 20, the dust cover 70 sleeved on the driving shaft 10 can cooperate with the sealing ring 50 to protect the magnetic powder sensor, so that dust in the external environment can be prevented from entering and covering the magnetic powder sensor, the accuracy of the magnetic powder sensor is affected, and the magnetic powder sensor is prevented from being damaged.

Referring to fig. 1, in some embodiments, the drive assembly 100 includes a universal joint 80. The universal joint 80 is connected to the drive shaft 10. The universal joint 80 serves to allow the drive shaft 10 to transmit driving force in a balanced manner over a certain angular range.

In this way, the safety of the drive assembly 100 may be improved.

Specifically, the universal joint 80 may be provided at one side of the driving shaft 10 and rotatably coupled with the driving shaft 10. In one embodiment, the driving shaft 10 is accurately positioned on the hub bearing 20, the first end face teeth 13 are meshed with the second end face teeth 23, and the driving force of the driving shaft 10 can be transmitted to the hub bearing 20 to drive the hub bearing 20 to rotate. During the transmission of the driving force of the driving shaft 10 to the hub bearing 20, the universal joint 80 can adjust the driving shaft 10 to transmit the driving force in a balanced manner within a certain angular range, so that the safety of the driving assembly 100 can be improved.

Referring to fig. 1 and 6, a vehicle 1000 in accordance with an embodiment of the present utility model includes a drive assembly 100 in accordance with any of the embodiments described above.

Above-mentioned vehicle 1000 is through increasing first constant head tank 16, second constant head tank 26 and go-between 30 for part of go-between 30 is located first constant head tank 16 and another part of go-between 30 is located second constant head tank 26 during the assembly, thereby can accurately fix a position drive shaft 10 on hub bearing 20, need not through observing inside can judge that first terminal surface tooth 13 and second terminal surface tooth 23 mesh correctly, is convenient for judge the bad of assembly, prevents abnormal sound and part damage.

Specifically, the vehicle 1000 includes, but is not limited to, a fuel-powered vehicle, an electric vehicle, a gas-powered vehicle, and the like. The vehicle 1000 also includes a chassis 200. The drive assembly 100 may be disposed on the chassis 200. In one embodiment, when assembling the drive shaft 10 and the hub bearing 20, the driving connection side 15 may be mutually attached to the bearing connection side 25, a portion of the connection ring 30 may be located in the first positioning groove 16, and another portion of the connection ring 30 may be located in the second positioning groove 26, so that the first end face teeth 13 and the second end face teeth 23 may be mutually engaged, so that the drive shaft 10 is accurately positioned on the hub bearing 20, and thus the first end face teeth 13 and the second end face teeth 23 may be correctly engaged without observing the inside, so that the assembly defect is conveniently judged, and abnormal noise and part damage are prevented.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (10)

1. A drive assembly for a vehicle, the drive assembly comprising:

a connecting ring;

the driving shaft comprises a driving engagement end face and a connecting shaft extending from the driving engagement end face, the driving engagement end face is provided with first end face teeth, the connecting shaft comprises a driving connection side face, and a first positioning groove is formed in the driving connection side face along the circumferential direction;

the hub bearing comprises a bearing engagement end face and a connecting groove which is sunken from the bearing engagement end face, the bearing engagement end face is provided with second end face teeth matched with the first end face teeth, the connecting groove is provided with a bearing connection side face matched with the driving connection side face, and the hub bearing is provided with a second positioning groove along the circumferential direction on the bearing connection side face;

the connecting ring, the first detent and the second detent are configured to cooperate such that the connecting ring snaps into the first detent and the second detent to position the drive shaft to the hub bearing such that the first face teeth intermesh with the second face teeth.

2. The drive assembly of claim 1, wherein the connecting ring is formed with an opening in a circumferential direction, the connecting ring being snapped into the first detent through the opening.

3. The drive assembly of claim 1, wherein the first detent groove has a groove depth that is greater than or equal to a diameter of a cross section of the connecting ring.

4. The drive assembly of claim 1, wherein an end face of the connecting shaft and the drive connection side face are formed with chamfers.

5. The drive assembly of claim 1, wherein the drive shaft is formed with a screw hole on an end surface of the connection shaft, the hub bearing is formed with a connection hole at a bottom of the connection groove, the drive assembly further comprising a connection bolt configured to fixedly connect the drive shaft and the hub bearing through the screw hole by the connection Kong Luojin after the drive shaft is positioned to the hub bearing through the first positioning groove, the second positioning groove and the connection ring.

6. The drive assembly of claim 1, comprising a seal ring connecting the hub bearing and the drive shaft, the drive shaft and the hub bearing defining an installation space therebetween, the seal ring being configured to seal the installation space.

7. The drive assembly of claim 6, wherein the seal ring includes a snap-in section connected to the hub bearing, a connecting section extending from an end of the snap-in section away from the hub bearing in a direction away from the hub bearing, and a seal section extending from an end of the connecting section away from the hub bearing in a direction toward the connecting groove, wherein with the connecting shaft inserted into the connecting groove, an end of the seal section away from the connecting section moves in a direction toward the connecting section, and an end of the seal section away from the connecting section is provided in contact with the drive shaft.

8. The drive assembly of claim 6, further comprising a dust cap disposed on the drive shaft, the hub bearing including a magnetic particle sensor disposed between the seal ring and the dust cap for cooperating with the seal ring to protect the magnetic particle sensor.

9. The drive assembly of claim 1, comprising a universal joint connecting the drive shaft, the universal joint for enabling the drive shaft to transmit drive forces in balance over a range of angles.

10. A vehicle comprising a drive assembly according to any one of claims 1-9.