CN217622983U - Driving shaft assembly and vehicle - Google Patents

Abstract

The application discloses drive shaft assembly and vehicle, drive shaft assembly include power assembly, right axle construction and support piece, and the tip of right axle construction is formed with the spread groove, and the power assembly is connected to the one end of support piece, and the other end detachably of support piece stretches into in the spread groove, and the power assembly can rotate through support piece drive right axle construction. In the drive shaft assembly of the embodiment of the application, the right shaft structure and the support piece can be assembled on the power assembly after being separated, so that the problem that the right shaft structure is too long to cause high assembly difficulty is solved, the problem that the surfaces of other elements can be scratched by the right shaft structure in the assembly process is solved, and the assembly process is simplified.

Description

Driving shaft assembly and vehicle

Technical Field

The application relates to the technical field of automobiles, in particular to a driving shaft assembly and a vehicle.

Background

At present, the right axle of vehicle often with long handle structure formula structure as an organic whole for the weight of right axle is greater than left axle, and in the assembling process of vehicle, left axle need pass from the wheel side, and the boundary condition demand is higher, and after sales maintenance boundary member is too much, causes dismouting and maintenance man-hour extravagant, and support and motor fastening bolt fastening tool installation space are not enough, cause the dismouting convenience relatively poor, and the assembling process is complicated.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a drive shaft assembly and a vehicle.

The drive shaft assembly of this application embodiment includes power assembly, right axle construction and support piece, the tip of right side axle construction is formed with the spread groove, support piece's one end is connected power assembly, support piece's other end detachably stretches into in the spread groove, power assembly can pass through the support piece drive right side axle construction rotates.

In the drive shaft assembly of the embodiment of the application, the right shaft structure and the support piece can be assembled on the power assembly after being separated, so that the problem that the right shaft structure is too long to cause high assembly difficulty is solved, the problem that the surfaces of other elements can be scratched by the right shaft structure in the assembly process is solved, and the assembly process is simplified.

In some embodiments, an inner spline is disposed in the connecting groove, and a first outer spline is formed at an end of the support member close to the right shaft structure, and the first outer spline is engaged with the inner spline to connect the right shaft structure and the support member.

In some embodiments, an end of the support member away from the right axle structure is formed with a second male spline, and the second male spline is used for connecting the power assembly to realize the power coupling of the power assembly and the right axle structure through the support member.

In some embodiments, a limiting chamfer is formed at one end of the inner spline, which is far away from the support member, and a snap spring is arranged at one end of the first outer spline, which is close to the right shaft structure, and the snap spring is matched with the limiting chamfer to limit the right shaft structure and the support member in the axial direction.

In some embodiments, a first end of the first external spline near the right axle structure is formed with a circlip groove.

In some embodiments, the driving shaft assembly further includes a bracket, the bracket is connected to the power assembly and extends toward the support member, an end of the bracket away from the power assembly is formed with a receiving groove, and the support member extends into the receiving groove and enables the bracket to support the support member.

In some embodiments, the drive shaft assembly further includes a bearing and a sealing element, an inner ring of the bearing is sleeved on the support element and makes an outer ring of the bearing abut against an inner wall of the accommodating groove, and the sealing element is disposed at a side of the accommodating groove close to the right shaft structure.

In some embodiments, the drive shaft assembly further comprises a dust cover disposed at a side of the receiving groove away from the right shaft structure.

In certain embodiments, the support is a hollow structure.

In certain embodiments, the drive axle assembly further comprises a left axle structure that is dynamically coupled to the locomotion assembly.

The vehicle of the embodiment of this application includes automobile body and the drive shaft assembly of any one of the above-mentioned, the drive shaft assembly sets up on the automobile body.

In the drive shaft assembly and the vehicle of the embodiment of the application, the right shaft structure and the support piece can be assembled on the power assembly after being separated, so that the problem that the right shaft structure is too long to cause high assembly difficulty is solved, the problem that the surfaces of other elements can be scratched by the right shaft structure in the assembly process is solved, and the assembly process is simplified.

Additional aspects and advantages of the present application 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 present application.

Drawings

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

fig. 1 is a schematic structural view of a vehicle according to an embodiment of the present application;

FIG. 2 is a schematic structural view of a driveshaft assembly in accordance with an embodiment of the present application;

FIG. 3 is a schematic view of a portion of a drive axle assembly according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a right shaft structure of an embodiment of the present application;

FIG. 5 is a schematic structural view of a support member according to an embodiment of the present application;

fig. 6 is a schematic structural view of a stent according to an embodiment of the present application.

Description of the main element symbols:

a drive shaft assembly 100;

the automobile body limiting device comprises a power assembly 10, a right shaft structure 20, a connecting groove 21, an inner spline 22, a limiting chamfer 23, a supporting piece 30, a first outer spline 31, a second outer spline 32, a clamp spring 33, a clamp spring groove 331, a left shaft structure 40, a support 50, a containing groove 51, a mounting hole 52, a bearing 60, a sealing piece 70, a circular sealing ring 80, a dust cover 90, an automobile 200 and an automobile body 201.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.

In this application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the application. To simplify the disclosure of the present application, the components and settings of a specific example are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or reference letters in the various examples, which have been repeated for purposes of brevity and clarity and do not in themselves dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize the application of other processes and/or the use of other materials.

Referring to fig. 1, a vehicle 200 according to an embodiment of the present application includes a vehicle body 201 and a drive shaft assembly 100 according to the above embodiment, where the drive shaft assembly 100 is disposed on the vehicle body 201.

Referring to fig. 2 to 4, a driving axle assembly 100 according to an embodiment of the present invention includes a power assembly 10, a right axle structure 20, and a supporting member 30, wherein an end of the right axle structure 20 is formed with a connecting groove 21, one end of the supporting member 30 is connected to the power assembly 10, the other end of the supporting member 30 detachably extends into the connecting groove 21, and the power assembly 10 can drive the right axle structure 20 to rotate via the supporting member 30.

In the drive axle assembly 100 and the vehicle 200 according to the embodiment of the present invention, the right axle structure 20 and the support member 30 can be separated and then assembled to the powertrain 10, so as to avoid the problem that the right axle structure 20 is too long and the assembly difficulty is high, eliminate the problem that the right axle structure 20 scratches the surfaces of other elements during the assembly process, and simplify the assembly process.

In the related art, the left shaft and the right shaft can be connected to the power assembly through splines, and then power coupling transmission is achieved, however, the center line of the speed reducer of the power assembly is generally deviated to the left side, the left driving shaft assembly and the right driving shaft assembly are difficult to be arranged into equal-length design, in order to balance the length difference of the left driving shaft and the right driving shaft, a middle long handle structure needs to be added on one side of the right shaft, the right shaft and the long handle structure are of an integrated structure, the requirement on the boundary can be high in the assembling process, and other elements can be prevented from being scratched. In addition, because the right shaft has larger mass than the left shaft, and because the right shaft is not positioned by an auxiliary device, the assembly gravity can influence the coaxiality precision of the assembled bracket and the power assembly, and further influence the service life of a speed reducer oil seal and a support bearing oil seal or cause the problem of abnormal sound due to eccentricity.

In the embodiment of the application, the supporting member 30 and the right shaft structure 20 are separately designed, the supporting member 30 and the right shaft structure 20 can be connected together through another spline, power transmission is guaranteed, meanwhile, the problem that the right shaft structure 20 is too long to cause large assembly difficulty is solved, the problem that the surfaces of other elements can be scratched by the right shaft structure 20 in the assembly process is solved, and the assembly process is simplified. Meanwhile, the length is shortened, so that the problem of overlarge tolerance caused by an integral structure friction welding process is solved, and the mounting precision of the right shaft structure 20 and the power assembly 10 is improved.

Referring to fig. 3 and 4, in some embodiments, an internal spline 22 is disposed in the connecting groove 21, a first external spline 31 is formed at an end of the supporting member 30 close to the right shaft structure 20, and the first external spline 31 is engaged with the internal spline 22 to connect the right shaft structure 20 and the supporting member 30.

As such, the first external splines 31 may cooperate with the internal splines 22 to connect the right axle structure 20 and the supporting member 30 together, and the supporting member 30 may drive the right axle structure 20 to rotate together to drive the wheel to rotate.

Specifically, the internal spline 22 is designed as an involute spline, so that the internal spline 22 and the first external spline 31 are connected to have stronger bearing capacity and high installation accuracy. Set up the notch in connecting groove 21 and set up for the aperture in the connecting groove 21 outside is greater than the aperture of hole, makes internal spline 22 can laminate on the inner wall of the hole of connecting groove 21, like this, conveniently stretches into support piece 30 to connecting groove 21 in, makes the assembling process more simple and convenient.

Referring to fig. 3 and 5, in some embodiments, an end of the supporting member 30 away from the right shaft structure 20 is formed with a second male spline 32, and the second male spline 32 is used for connecting the power assembly 10, so as to realize the power coupling between the power assembly 10 and the right shaft structure 20 through the supporting member 30.

In this way, the second male spline 32 is connected to the power assembly 10, so that the power assembly 10 can drive the supporting member 30 to rotate, and the supporting member 30 further drives the right axle structure 20 to rotate, thereby driving the wheel to rotate.

Specifically, the second external spline 32 is connected to the powertrain 10, so that the driving force generated by the powertrain 10 can be transmitted to the supporting member 30 through the second external spline 32, the supporting member 30 can further drive the right axle structure 20 to rotate together, and the other end of the right axle structure 20 can be connected to a wheel, so that the powertrain 10 can drive the wheel to rotate through the supporting member 30 and the right axle structure 20, so that the vehicle 200 can run normally.

Referring to fig. 4 and 5, in some embodiments, a limiting chamfer 23 is formed at an end of the internal spline 22 far from the supporting member 30, a snap spring 33 is disposed at an end of the first external spline 31 near the right shaft structure 20, and the snap spring 33 cooperates with the limiting chamfer 23 to limit the right shaft structure 20 and the supporting member 30 in the axial direction.

So, jump ring 33 can the joint in spacing chamfer 23 to restriction support piece 30 is for right axle construction 20 the ascending removal of axial direction, and right axle construction 20 separates in the axial when avoiding right axle construction 20 and support piece 30 to rotate and drops.

Further, referring to fig. 5, in some embodiments, a first external spline 31 is formed with a circlip groove 331 near one end of the right shaft structure 20. So, can set up jump ring 33 in the jump ring groove 331, ensure jump ring 33 user's spacing chamfer 23 position butt joint accurate, guarantee jump ring 33 can the joint smoothly in spacing chamfer 23.

Specifically, the snap spring 33 can be installed in the snap spring groove 331, and then the side of the support member 30 having the first external spline 31 extends into the connecting groove 21, and in the process of spline engagement connection, the snap spring 33 can be snapped in the limiting chamfer 23, so that the support member 30 and the right shaft structure 20 are kept relatively still in the axial direction, the separation of the support member 30 and the right shaft structure 20 in the rotating process is avoided, and the normal running of the vehicle 200 is ensured.

Referring to fig. 2 and 6, in some embodiments, the driveshaft assembly 100 further includes a bracket 50, the bracket 50 is connected to the power assembly 10 and extends toward the supporting member 30, a receiving groove 51 is formed at an end of the bracket 50 away from the power assembly 10, and the supporting member 30 extends into the receiving groove 51, such that the bracket 50 supports the supporting member 30.

In this way, the bracket 50 can connect and support the supporting member 30, and ensure that the supporting member 30 and the right axle structure 20 can be stably connected with the power assembly 10.

Specifically, the eccentric influence of gravity on the support 50 and the power assembly 10 during assembly of the middle support is reduced, the concentricity of the support 50 and the input axis of the speed reducer is improved, the problem that an integrated structure is difficult to assemble or cannot be assembled is solved, and the labor intensity of assembly is reduced. In the embodiment of the present application, the connection manner between the bracket 50 and the powertrain 10 is not limited to meet various requirements. In one example, the bracket 50 and the powertrain 10 may be integrally connected; in another example, the bracket 50 is formed with a mounting hole 52, and the mounting hole 52 may be fixed to a mounting point of the powertrain 10 by a bolt.

Referring to fig. 3 and 5, in some embodiments, the driving shaft assembly 100 further includes a bearing 60 and a sealing element 70, an inner ring of the bearing 60 is sleeved on the supporting element 30 and an outer ring of the bearing 60 abuts against an inner wall of the receiving groove 51, and the sealing element 70 is disposed at a side of the receiving groove 51 close to the right shaft structure 20.

So, bearing 60 sets up in storage tank 51 to make support piece 30 can drive right axle construction 20 and rotate for support 50, sealing member 70 can promote the leakproofness between right axle construction 20 and the support piece 30, prevents that impurity such as external dust and water from entering into the spline connection department, causes the spline to rust.

Specifically, the sealing member 70 is disposed at a side of the receiving groove 51 close to the right axial structure 20, so that the sealing member 70 can prevent water and dust from entering the bearing 60 and the inner and outer spline connection portions from the side of the right axial structure 20. Drive shaft assembly 100 still includes circular seal ring 80, and circular seal ring 80 can form the double containment structure with the cooperation of sealing member 70, prevents that impurity such as external dust and water from entering into the splined connection department, has promoted the cleanliness of internal spline 22 and first external splines 31 junction, avoids the rusty problem of forehead spline, has promoted the durability and the reliability at splined connection position. In addition, a groove may be formed at a position of the supporting member 30 between the first external spline 31 and the bearing 60, and the circular sealing ring 80 may be sleeved in the groove on the supporting member 30 to prevent the circular sealing ring 80 from moving. Meanwhile, the circular sealing ring 80 can be in transition fit with the inner surface of the groove, so that the circular sealing ring 80 is tightly connected with the supporting piece 30, water and dust are prevented, and rusting at the connecting part of the inner spline and the outer spline is avoided. In the embodiment of the present application, the kinds of the sealing member 70 and the circular sealing ring 80 are not limited to meet different requirements.

Further, the outer ring of the bearing 60 may abut against the inner wall of the accommodating groove 51 and be in interference fit with the accommodating groove 51, and the inner ring of the bearing 60 may be sleeved on the supporting member 30 and be in interference fit with the supporting member 30, so as to ensure that when the supporting member 30 rotates under the driving of the power assembly 10, the inner ring of the bearing 60 may rotate smoothly relative to the outer ring, and prevent the bracket 50 from affecting the normal rotation of the supporting member 30 and the right shaft structure 20. In the embodiment of the present invention, the type of the bearing 60 is not limited, and the bearing 60 may be a ball bearing or a tapered roller bearing to meet various requirements.

Referring to fig. 3 and 5, in some embodiments, the driving shaft assembly 100 further includes a dust cap 90, and the dust cap 90 is disposed at a side of the receiving groove 51 away from the right shaft structure 20.

In this way, the dust cap 90 is disposed in the accommodating groove 51 to prevent foreign matters such as dust from entering the bearing 60 and affecting the service life of the bearing 60.

Specifically, the dust cap 90 can be disposed on one side of the accommodating groove 51 away from the right axle structure 20, so that the dust cap 90 and the sealing member 70 are disposed on two sides of the bearing 60 respectively, thereby preventing external dust in the water box from entering the bearing 60 and the spline joint, prolonging the service life of the bearing 60, preventing the spline joint from rusting, and improving the durability and reliability of the driving axle assembly 100.

Referring to fig. 3 and 5, in some embodiments, support member 30 is a hollow structure. Thus, the weight of the support member 30 can be reduced, a lightweight design can be realized, and the accuracy and the coaxiality during assembly can be improved.

Specifically, the supporting member 30 has a hollow structure, so that the supporting member 30 can be conveniently mounted, and the weight of the driving shaft assembly 100 can be reduced, thereby improving the cruising ability of the vehicle 200.

Referring to FIG. 1, in some embodiments, the drive axle assembly 100 further includes a left axle structure 40, the left axle structure 40 being dynamically coupled to the powertrain 10.

In this way, the powertrain 10 can simultaneously drive the left axle structure 40 and the right axle structure 20 to rotate together, so as to move the vehicle 200.

Specifically, the left axle structure 40 may connect the wheels and the powertrain 10, so that the driving force generated by the powertrain 10 can be transmitted to the wheels through the left axle structure 40, and the powertrain 10 can drive the left and right wheels to rotate at the same time, so as to drive the vehicle 200 to normally run. The vehicle 200 according to the embodiment of the present invention is not limited to any type, and the vehicle 200 may be a hybrid vehicle or another power vehicle, and the vehicle 200 may be provided with the drive shaft assembly 100 according to the above-described embodiment.

In the description of the embodiments of the present application, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of indicated technical features is significant. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present application, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present specification, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" or the like 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 application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present application, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims (11)

1. A drive shaft assembly, comprising:

a power assembly;

the end part of the right shaft structure is provided with a connecting groove; and

support piece, support piece's one end is connected the power assembly, support piece's other end detachably stretches into in the spread groove, the power assembly can pass through support piece drive right axle construction rotates.

2. The driveshaft assembly of claim 1, wherein an internal spline is disposed within the connecting groove, and wherein an end of the support member proximate the right shaft structure is formed with a first external spline that mates with the internal spline to couple the right shaft structure to the support member.

3. A driveshaft assembly according to claim 2, wherein an end of the support member remote from the right axle structure is formed with a second male spline for connection to the locomotion assembly for enabling the dynamic coupling of the locomotion assembly to the right axle structure via the support member.

4. The drive shaft assembly of claim 2, wherein a limiting chamfer is formed at one end of the inner spline, which is far away from the support member, and a snap spring is arranged at one end of the first outer spline, which is close to the right shaft structure, and the snap spring is matched with the limiting chamfer to limit the right shaft structure and the support member in the axial direction.

5. The drive axle assembly of claim 4, wherein an end of the first external spline adjacent the right axle structure is formed with a circlip groove.

6. The driveshaft assembly according to claim 1, further comprising a bracket, wherein the bracket is connected to the power assembly and extends toward the support member, and a receiving slot is formed at an end of the bracket away from the power assembly, and the support member extends into the receiving slot and causes the bracket to support the support member.

7. The drive axle assembly of claim 6, further comprising a bearing and a sealing element, wherein an inner ring of the bearing is disposed on the support member such that an outer ring of the bearing abuts against an inner wall of the receiving groove, and the sealing element is disposed in the receiving groove on a side thereof adjacent to the right axle structure.

8. The drive axle assembly of claim 6, further comprising a dust cover disposed in the receiving slot on a side away from the right axle structure.

9. The driveshaft assembly of claim 1, wherein the support member is a hollow structure.

10. The drive axle assembly of claim 1, further comprising a left axle structure that is dynamically coupled to the powertrain.

11. A vehicle, characterized by comprising:

a vehicle body;

the drive axle assembly of any of claims 1-10, disposed on the vehicle body.

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