CN219172156U - Power assembly box body, power assembly and vehicle - Google Patents

Abstract

The utility model relates to the field of new energy automobiles and discloses a power assembly box, a power assembly and a vehicle, wherein the power assembly box comprises two motor assembly parts and an output shaft assembly part; a first mounting hole is formed in the first side wall of the motor assembly part, which is far away from one side of the output shaft assembly part, and is used for being connected with the rear suspension assembly; a second mounting hole is formed in a second side wall of the output shaft assembly part, which is far away from one side of the motor assembly part, and is used for being connected with the front suspension assembly; wherein the first mounting hole is higher than the second mounting hole. The utility model solves the technical problems that the prior motor is integrated on the frame and is generally realized by arranging the connecting structure in a centralized way with the same installation height, so that the connecting structure is easy to loose or fall off due to concentrated stress under the condition of large weight of the motor integrated whole structure, and the requirements of the motor integrated on the damping environment and the whole structure stability in the running process of the vehicle body can not be met.

Description

Power assembly box body, power assembly and vehicle

Technical Field

The utility model relates to the field of new energy automobiles, in particular to a power assembly box, a power assembly and a vehicle.

Background

The current new energy automobile industry is gradually developed, and the power assembly is used as one of extremely important parts in the new energy automobile, and has higher requirements on reliability, light weight and high space utilization rate.

The torque and the speed of four wheels of the four-wheel independent drive automobile can be accurately controlled independently of each other, thereby bringing a series of advantages to realize smaller radius turning, auxiliary ESP function, auxiliary steering function, auxiliary braking function and the like, thereby improving the handling performance of the automobile, and simultaneously realizing higher dynamic performance of four motors. Because the double-motor assembly integrates double motors, double electric controls and double speed reducers, the required arrangement space is larger than that of a single-motor system, and therefore, the space utilization rate of the double-motor assembly is challenged.

The fixing of the existing motor assembly on the frame is generally realized by connecting the bolt structure along a unidirectional structure, the mounting structures are positioned at the same mounting height, under the condition that the number of motors and the electric control device are increased, the weight of the motor integrated integral structure is increased, and the situation that the connecting structure is easy to concentrate loose or fall off to cause that unidirectional structural connection is adopted and the requirements of motor integration on damping environment and integral structure stability in the running process of a vehicle body cannot be met exists.

Disclosure of Invention

The utility model aims to solve the technical problems that the prior motor is integrated on a frame and is generally fixed by arranging connecting structures in a centralized way in the same installation height, so that the connecting structures are easy to loose intensively or fall off under stress under the condition of large weight of the motor integrated integral structure, and the requirements of the motor integrated on damping environment and integral structure stability in the running process of a vehicle body cannot be met.

In order to achieve the above object, an aspect of the present utility model provides a powertrain housing.

The power assembly box body comprises two motor assembly parts and an output shaft assembly part;

a first mounting hole is formed in a first side wall of the motor assembly part, which is far away from one side of the output shaft assembly part, and the first mounting hole is used for being connected with a rear suspension assembly; a second mounting hole is formed in a second side wall of the output shaft assembly part, which is far away from one side of the motor assembly part, and is used for being connected with the front suspension assembly;

wherein the first mounting hole is higher than the second mounting hole.

According to the power assembly box body provided by the utility model, the first mounting hole for connecting with the rear suspension component arranged on the rear cross beam of the frame is formed in the first side wall of the motor assembly part of the power assembly box body, which is far away from the output shaft assembly part, and the second mounting hole for connecting with the front suspension component arranged on the front cross beam of the frame is formed in the second side wall of the power assembly box body, which corresponds to the output shaft assembly part, which is far away from the motor assembly part, and the first mounting hole is higher than the second mounting hole, so that the mounting positions of the power assembly box body on the frame are fixed at different heights, the stability of the installation of the whole structure of the power assembly on the frame is balanced, and the technical problems that the conventional motor assembly on the frame is realized by intensively arranging the connecting structure in the same mounting height, so that the stress of the connecting structure is easy to be concentrated and loose or drop in the case of large weight of the whole structure of the motor assembly is difficult to meet the requirements on the damping environment and the stability of the whole structure in the running process of the motor assembly on the vehicle are solved.

Preferably, the motor assembly part comprises a first motor assembly part and a second motor assembly part, the first motor assembly part and the second motor assembly part are oppositely arranged in the transverse direction and are respectively positioned at two transverse sides of the output shaft assembly part, and the first motor assembly part and the second motor assembly part are both positioned above the output shaft assembly part;

the first side wall of the first motor assembly part and the first side wall of the second motor assembly part are respectively provided with the first mounting hole.

Preferably, the first motor mounting portion and the second motor mounting portion are each located obliquely above a rear side of the output shaft mounting portion.

Preferably, the second mounting holes are at least two groups, the first mounting holes on the first motor assembly part and the first mounting holes on the second motor assembly part are symmetrically arranged about a central plane, and the two groups of the second mounting holes are symmetrically arranged about the central plane; wherein the center plane is located between the first motor mount portion and the second motor mount portion and passes through the output shaft mount portion.

Preferably, the number of the second mounting holes is at least two, and the distance between the first mounting holes on the first motor assembly part and the first mounting holes on the second motor assembly part is greater than the distance between the two groups of the second mounting holes.

A second aspect of the utility model provides a powertrain.

The power assembly comprises the power assembly box body and a suspension assembly used for fixing the power assembly box body on a frame, wherein the suspension assembly comprises a front suspension assembly and a rear suspension assembly, the front suspension assembly is connected with the second mounting hole in a matched mode, and the rear suspension assembly is connected with the first mounting hole in a matched mode.

Preferably, the suspension assembly comprises two sets of the front suspension assemblies and/or two sets of the rear suspension assemblies.

Preferably, the mounting shaft of the front suspension assembly/the rear suspension assembly extends in a longitudinal direction and the mounting shaft of the rear suspension assembly/the front suspension assembly extends in a lateral direction.

Preferably, the front suspension assembly comprises a front suspension bolt and a first suspension bushing sleeved on the front suspension bolt, the first suspension bushing is used for being arranged in a positioning and mounting hole of a front cross beam of the frame in a propping mode, and the front suspension bolt is used for sequentially penetrating the first suspension bushing and the second mounting hole.

Preferably, the rear suspension assembly comprises a base and a mounting seat, wherein the base is arranged on a rear cross beam of the frame, one end of the mounting seat is fixed on the first mounting hole through a bolt, and the other end of the mounting seat is hinged with the base.

Preferably, a rotating shaft is arranged between the base and the mounting seat, a shaft hole is arranged on the mounting seat, a clamping groove is arranged on the base, a limiting hole is arranged at the end part of the clamping groove, the rotating shaft penetrates through the shaft hole and is arranged in the clamping groove, and the end part of the rotating shaft is arranged in the limiting hole.

Preferably, the rear suspension assembly comprises a second suspension bushing attached to the periphery of the rotating shaft, and the rotating shaft penetrates through the second suspension bushing and is arranged in the clamping groove.

Preferably, the mounting seat is used for being abutted to the mounting surface of the first side wall of the power assembly box body, three mounting sites are arranged on the mounting surface of the first side wall of the power assembly box body in a surrounding mode, the three mounting sites are arranged on the rotating shaft in a surrounding mode, and each mounting site is fixed to the first mounting hole through a bolt.

Preferably, the axis of the shaft extends in a lateral direction.

A third aspect of the utility model provides a vehicle.

The vehicle comprises a powertrain housing according to any one of the above or a powertrain according to any one of the above.

Drawings

FIG. 1 is a schematic view of the overall structure of a powertrain provided by the present utility model;

FIG. 2 is a schematic elevational view of the FIG. 1 during use;

FIG. 3 is a schematic view of the back side structure of FIG. 1 during use;

fig. 4 is a schematic diagram of the explosive structure of fig. 1.

Description of the reference numerals

1. A motor assembly part; 101. a first motor assembly part; 102. a second motor assembly part; 2. an output shaft assembly part; 3. a first sidewall; 4. a first mounting hole; 5. a rear suspension assembly; 501. a base; 5011. a clamping groove; 5012. a limiting hole; 502. a mounting base; 5021. a shaft hole; 5022. a mounting site; 503. a rotating shaft; 504. a second suspension liner; 6. a second sidewall; 7. a second mounting hole; 8. a front suspension assembly; 801. a front suspension bolt; 802. a first suspension liner; 9. a frame front cross member; 10. and a rear cross member of the frame.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the utility model and are not intended to limit the scope of the utility model, which may be embodied in many different forms and not limited to the specific embodiments disclosed herein, but rather to include all technical solutions falling within the scope of the claims.

These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art. It should be noted that: the relative arrangement of parts and steps, the composition of materials, numerical expressions and numerical values set forth in these embodiments should be construed as exemplary only and not limiting unless otherwise specifically stated.

In the description of the present utility model, unless otherwise indicated, the meaning of "plurality of" means greater than or equal to two; the terms "upper," "lower," "inner," "outer," and the like indicate an orientation or positional relationship merely for convenience of description and simplicity of description, and do not indicate or imply that the devices or elements in question must have a particular orientation, be constructed and operate in a particular orientation, and thus are not to be construed as limiting the utility model. When the absolute position of the object to be described is changed, the relative positional relationship may be changed accordingly.

Furthermore, the use of the terms first, second, and the like in the present application are not used for any order, quantity, or importance, but rather are used for distinguishing between different parts. The "vertical" is not strictly vertical but is within the allowable error range. "parallel" is not strictly parallel but is within the tolerance of the error. The word "comprising" or "comprises" and the like means that elements preceding the word encompass the elements recited after the word, and not exclude the possibility of also encompassing other elements.

It should also be noted that, in the description of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art. When a particular device is described as being located between a first device and a second device, there may or may not be an intervening device between the particular device and either the first device or the second device.

All terms used herein have the same meaning as understood by one of ordinary skill in the art to which the present utility model pertains, unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods, and apparatus should be considered part of the specification.

As shown in fig. 1 to 4, the present utility model provides a power assembly housing, which includes two motor assembly parts 1 and an output shaft assembly part 2, wherein a first mounting hole 4 is provided on a first side wall 3 of the motor assembly part 1, which is far away from the output shaft assembly part 2, the first mounting hole 4 is used for connecting with a rear suspension assembly 5, a second mounting hole 7 is provided on a second side wall 6 of the output shaft assembly part 2, which is far away from the motor assembly part 1, and the second mounting hole 7 is used for connecting with a front suspension assembly 8. Wherein the first mounting hole 4 is arranged higher than the second mounting hole 7.

According to the power assembly box provided by the utility model, the first mounting hole 4 for connecting with the rear suspension component 5 arranged on the frame rear cross beam 10 is arranged on the first side wall 3 of the motor assembly part 1 of the power assembly box, which is far away from the output shaft assembly part 2, and the second mounting hole 7 for connecting with the front suspension component 8 on the frame front cross beam 9 is arranged on the second side wall 6 of the power assembly box, which corresponds to the output shaft assembly part 2, which is far away from the motor assembly part 1, and the first mounting hole 4 is higher than the second mounting hole 7, so that the mounting positions of the power assembly box on the frame are fixed at different heights, the stability of the installation of the power assembly integral structure on the frame is facilitated, and the technical problems that the conventional motor integrated structure is realized by the same installation height in a concentrated way, and the connection structure is easy to loose or fall off due to stress in a concentrated way in the condition that the motor integrated integral structure is heavy are solved, and the requirements on the damping environment and the integral structure stability in the running process of the motor integrated structure are not met are solved.

In an alternative embodiment of the present utility model, the motor mount 1 includes a first motor mount 101 and a second motor mount 102, the first motor mount 101 and the second motor mount 102 are disposed opposite each other in the lateral direction and are located on both lateral sides of the output shaft mount 2, respectively, and the first motor mount 101 and the second motor mount 102 are located above the output shaft mount. The first side wall 3 of the first motor mounting portion 101 and the first side wall 3 of the second motor mounting portion 102 are each provided with a first mounting hole 4. The lateral direction refers to an extending direction along the vehicle body width direction, and the corresponding longitudinal direction is an extending direction along the vehicle body length direction.

In an alternative embodiment of the utility model, both the first motor mount 101 and the second motor mount 102 are located obliquely above the rear side of the output shaft mount 2. So that the gravity center of the engine assembly box body is arranged in the direction close to the rear cross beam of the frame, and the stability of the whole structure of the vehicle body is improved.

In an alternative embodiment of the utility model, the second mounting holes are at least two groups, the first mounting holes 4 on the first motor mounting part 101 and the first mounting holes 4 on the second motor mounting part 102 are symmetrically arranged about a central plane, and the two groups of second mounting holes 7 are symmetrically arranged about a central plane, wherein the central plane is located between the first motor mounting part 101 and the second motor mounting part 102 and passes through the output shaft mounting part 2.

In an alternative embodiment of the utility model, the number of the second mounting holes 7 is at least two, and the distance between the first mounting holes 4 on the first motor assembly part 101 and the first mounting holes 4 on the second motor assembly part 102 is larger than the distance between the two second mounting holes 7, so that the fixing bolt shafts of the power assembly box body at the mounting points on the vehicle body are positioned on different horizontal planes and vertical planes, thereby improving the fastening and the stability of the connection of the power assembly box body and the vehicle body structure.

The utility model provides a power assembly, which comprises a power assembly box body and a suspension assembly used for fixing the power assembly box body on a frame, wherein the suspension assembly comprises a front suspension assembly 8 and a rear suspension assembly 5, the front suspension assembly 8 is connected with a second mounting hole 7 in a matching way, the rear suspension assembly 5 is connected with a first mounting hole 4 in a matching way, and the position of the rear suspension assembly can be fixed through bolts.

In an alternative embodiment of the present utility model, the suspension assembly includes two sets of front suspension assemblies 8 and/or two sets of rear suspension assemblies 5, the mounting axes of the front suspension assemblies 8/rear suspension assemblies 5 extend longitudinally to fix the power assembly housing in the direction of the Y axis, and the mounting axes of the rear suspension assemblies 5/front suspension assemblies 8 extend transversely to fix the power assembly housing in the direction of the Y axis, thereby achieving fixing the mounting position of the power assembly housing on the vehicle frame in both directions of the X and Y axes, which is advantageous for balancing the stability of the mounting of the power assembly overall structure on the vehicle frame. The motor integrated structure solves the technical problem that the prior motor integrated structure is generally realized by connecting the bolt structure along the unidirectional structure in the X or Y direction, so that the motor integrated structure cannot meet the requirements of the motor integrated structure on the damping environment and the stability of the whole structure in the running process of the vehicle body under the condition of large weight of the motor integrated structure.

In an alternative embodiment of the present utility model, the front suspension assembly 8 includes a front suspension bolt 801 and a first suspension bushing 802 sleeved on the front suspension bolt 801, where the first suspension bushing 802 is used to be abutted in a positioning mounting hole of the front cross member 9 of the vehicle frame, so as to reduce friction in the mounting process, protect components, and play a role in buffering stress. Wherein the front suspension bolts 801 are used to sequentially pass through the first suspension bushings 802 and the second mounting holes 7.

In an alternative embodiment of the present utility model, the rear suspension assembly 5 includes a base 501 and a mounting base 502, the base 501 is disposed on the rear frame rail 10, one end of the mounting base 502 is fixed on the powertrain housing by bolts, and the other end is connected with the base 501, so as to reduce vibration generated on the powertrain during the running of the vehicle while the connection between the powertrain housing and the rear frame rail 10 is performed.

In a further alternative embodiment of the present utility model, a rotating shaft 503 is disposed between the base 501 and the mounting base 502, a shaft hole 5021 is disposed on the mounting base 502, a clamping groove 5011 is disposed on the base 501, a limiting hole 5012 is disposed at an end of the clamping groove 5011, the rotating shaft 503 is disposed in the clamping groove 5011 through the shaft hole 5021, and an end of the rotating shaft 503 is disposed in the limiting hole 5012. So that the powertrain, which is connected via the rear suspension assembly 5, can perform a Y-direction rotation relative to the frame rear cross member 10 while restricting X-direction movement. The front suspension assembly 8 may then be used to position the powertrain and frame front cross member 9 to further limit the Y-movement of the powertrain relative to the frame. And then realized carrying out the installation spacing of X to and Y to two-way constraint simultaneously to the power assembly that sets up on the frame, simultaneously, the articulated setting of base 501 and mount pad 502 of back suspension subassembly 5 can play the effect of buffering to the power assembly atress in the vehicle operation in-process.

In a further alternative embodiment of the present utility model, rear suspension assembly 5 includes a second suspension bushing 504 disposed about the periphery of shaft 503, second suspension bushing 504 providing structural gap filling and cushioning effects that help to improve the stability of the overall powertrain structure and to cushion vibrations to the powertrain during vehicle operation.

In an alternative embodiment of the present utility model, the mounting base 502 is configured to abut against the mounting surface of the first sidewall 3 of the power assembly housing to form three mounting sites, where the three mounting sites 5022 are disposed around the rotating shaft, so as to improve the stability of the suspension assembly to the structure of the power assembly housing connection. Further, the axis of the shaft 503 extends in the lateral direction to facilitate the dispersion and conduction of force at the connection position.

The present utility model provides a vehicle comprising a powertrain housing according to any one of the above or a powertrain according to any one of the above.

According to the vehicle provided by the utility model, the first mounting hole for connecting with the rear suspension component arranged on the rear cross beam of the frame is formed in the first side wall of the motor assembly part of the power assembly box body, which is far away from the output shaft assembly part, and the second mounting hole for connecting with the front suspension component arranged on the front cross beam of the frame is formed in the second side wall of the power assembly box body, which corresponds to the output shaft assembly part, which is far away from the motor assembly part, and the first mounting hole is higher than the second mounting hole, so that the mounting positions of the power assembly box body on the frame are fixed at different heights, the stability of the installation of the power assembly integral structure on the frame is facilitated to be balanced, and the technical problems that the conventional motor integrated structure is realized by the fact that the connection structure is intensively arranged at the same mounting height of a unidirectional structure, and the connection structure is easy to loose or fall off due to stress in the condition that the motor integrated integral structure is heavy, and the requirement on a damping environment and the integral structure in the running process of the vehicle body cannot be met are solved.

Thus, various embodiments of the present utility model have been described in detail. In order to avoid obscuring the concepts of the utility model, some details known in the art have not been described. How to implement the solutions disclosed herein will be fully apparent to those skilled in the art from the above description.

While certain specific embodiments of the utility model have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the utility model. It will be understood by those skilled in the art that the foregoing embodiments may be modified and equivalents substituted for elements thereof without departing from the scope and spirit of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict.

Claims (15)

1. The power assembly box body is characterized by comprising two motor assembly parts (1) and an output shaft assembly part (2);

a first mounting hole (4) is formed in a first side wall (3) of the motor assembly part (1) far away from one side of the output shaft assembly part (2), and the first mounting hole (4) is used for being connected with a rear suspension assembly (5); a second mounting hole (7) is formed in a second side wall (6) of the output shaft assembly part (2) far away from one side of the motor assembly part (1), and the second mounting hole (7) is used for being connected with a front suspension assembly (8);

wherein the first mounting hole (4) is arranged higher than the second mounting hole (7).

2. The powertrain case according to claim 1, wherein the motor assembly portion (1) includes a first motor assembly portion (101) and a second motor assembly portion (102), the first motor assembly portion (101) and the second motor assembly portion (102) are disposed opposite each other in a lateral direction and are located on both lateral sides of the output shaft assembly portion (2), respectively, and the first motor assembly portion (101) and the second motor assembly portion (102) are both located above the output shaft assembly portion;

the first mounting holes (4) are formed in the first side wall (3) of the first motor assembly part (101) and the first side wall (3) of the second motor assembly part (102).

3. The powertrain housing according to claim 2, characterized in that the first motor mount (101) and the second motor mount (102) are both located obliquely above the rear side of the output shaft mount (2).

4. The powertrain housing according to claim 2, wherein the second mounting holes are at least two groups, the first mounting holes (4) on the first motor mounting portion (101) and the first mounting holes (4) on the second motor mounting portion (102) are symmetrically arranged with respect to a center plane, and two groups of the second mounting holes (7) are symmetrically arranged with respect to the center plane; wherein the center plane is located between the first motor mount (101) and the second motor mount (102) and passes through the output shaft mount (2).

5. The powertrain housing according to claim 2, wherein the second mounting holes are at least two groups, and a distance between the first mounting hole (4) on the first motor mounting portion (101) and the first mounting hole (4) on the second motor mounting portion (102) is larger than a distance between the two groups of the second mounting holes (7).

6. A powertrain comprising a powertrain housing according to any one of claims 1 to 5 and a suspension assembly for securing the powertrain housing to a vehicle frame, the suspension assembly comprising a front suspension assembly (8) and a rear suspension assembly (5), the front suspension assembly (8) being in mating connection with the second mounting hole (7), the rear suspension assembly (5) being in mating connection with the first mounting hole (4).

7. A powertrain according to claim 6, characterized in that the suspension assembly comprises two sets of the front suspension assemblies (8) and/or two sets of the rear suspension assemblies (5).

8. The power assembly according to claim 7, characterized in that the mounting axis of the front suspension assembly (8)/the rear suspension assembly (5) extends in a longitudinal direction and the mounting axis of the rear suspension assembly (5)/the front suspension assembly (8) extends in a transverse direction.

9. The powertrain according to claim 7, characterized in that the front suspension assembly (8) comprises a front suspension bolt (801) and a first suspension bushing (802) sleeved on the front suspension bolt (801), the first suspension bushing (802) being adapted to be arranged in abutment in a positioning mounting hole of a front cross member (9) of the vehicle frame, the front suspension bolt (801) being adapted to be arranged in sequence through the first suspension bushing (802) and the second mounting hole (7).

10. The power assembly according to claim 7, characterized in that the rear suspension component (5) comprises a base (501) and a mounting seat (502), the base (501) is arranged on the rear cross member (10) of the vehicle frame, one end of the mounting seat (502) is fixed on the first mounting hole through a bolt, and the other end is hinged with the base (501).

11. The power assembly according to claim 10, characterized in that a rotating shaft (503) is arranged between the base (501) and the mounting seat (502), a shaft hole (5021) is arranged on the mounting seat (502), a clamping groove (5011) is arranged on the base (501), a limiting hole (5012) is arranged at the end part of the clamping groove (5011), the rotating shaft (503) penetrates through the shaft hole (5021) to be arranged in the clamping groove (5011), and the end part of the rotating shaft (503) is arranged in the limiting hole (5012).

12. The powertrain of claim 11, wherein the rear suspension component (5) includes a second suspension bushing (504) disposed around the periphery of the rotating shaft (503), the rotating shaft (503) being disposed in the clamping groove (5011) through the second suspension bushing (504).

13. The powertrain according to claim 11, wherein the mounting base (502) is configured to abut against a mounting surface of the first side wall (3) of the powertrain case, and three mounting sites (5022) are provided around the rotating shaft (503), and each of the mounting sites is fixed to the first mounting hole (4) by a bolt.

14. The powertrain according to claim 11, characterized in that the axis of the shaft (503) extends in a lateral direction.

15. A vehicle characterized in that it comprises a powertrain box according to any one of claims 1 to 5 or a powertrain according to any one of claims 6 to 14.

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