Motor suspension mechanism, vehicle body frame and vehicle

Abstract

The utility model discloses a motor suspension mechanism, vehicle body frame and vehicle for installing motor on sub -frame, including left front suspension, right front suspension, rear suspension assembly and mounting piece, left front suspension and right front suspension are connected with both sides of sub -frame respectively, the surface of one side of sub -frame far from left front suspension is equipped with mounting hole, and the axial direction of mounting hole is parallel to the installation plane of front sub -frame, and the mounting piece is installed in rear suspension assembly one side, and the mounting piece passes through mounting hole and is connected with sub -frame, and left front suspension, right front suspension and rear suspension assembly are used for installing motor together. In the utility model embodiment, through make rear suspension assembly install in sub -frame side through mounting hole, avoided the installation plane of front sub -frame that rear suspension assembly occupied, made the space that originally possibly be rear suspension assembly occupied to release to solve the problem that the motor suspension system arrangement difficultly led to the space shortage.

Description

Technical Field

[0001] This utility model relates to the field of vehicle body structure, and in particular to a motor mounting mechanism, a vehicle body frame, and a vehicle. Background Technology

[0002] Motor mounts are key force-transmitting components that fix the motor assembly to the vehicle. Their main functions include supporting the motor assembly, isolating and attenuating the vibration and noise transmitted from the motor assembly into the vehicle, and limiting the displacement of the motor assembly under extreme operating conditions, thereby ensuring good NVH (Noise, Vibration, Harshness) performance inside the vehicle.

[0003] Currently, front motor mounts are typically installed by setting up left front mounts, right front mounts, and rear mounts on the mounting plane of the front subframe. These mounts support the motor, thus meeting the motor's installation requirements. However, the mounting plane of the front subframe also needs to install structures such as the power steering motor and the stabilizer bar. As the demand for vehicle stability increases, the size of the power steering motor and the stabilizer bar increases accordingly, making it difficult to arrange the motor mount system. Utility Model Content

[0004] This utility model provides a motor mounting mechanism, which aims to at least solve the problem of difficult motor mounting system layout in the prior art.

[0005] In a first aspect, this utility model embodiment provides a motor mounting mechanism for mounting a motor on a subframe, including a left front mount, a right front mount, a rear mount assembly, and mounting components;

[0006] The left front mount and the right front mount are respectively connected to the two sides of the subframe; the surface of the subframe away from the left front mount has a mounting hole, and the axis of the mounting hole is parallel to the mounting plane of the front subframe.

[0007] The mounting component is installed on one side of the rear suspension assembly. The mounting component passes through the mounting hole and is connected to the subframe. The left front suspension, the right front suspension, and the rear suspension assembly are used together to install the motor.

[0008] Optionally, the mounting component includes a suspension bushing and a mounting bolt. The suspension bushing is located inside the mounting hole, and a bolt hole is formed on the surface of the suspension bushing. The mounting bolt passes through the bolt hole and is connected to the subframe.

[0009] Optionally, the suspension bushing includes an outer bushing, an inner core, and a rubber main spring. The inner core is sleeved inside the outer bushing, the bolt holes are formed on the surface of the inner core, and the rubber main spring is located between the inner core and the outer bushing.

[0010] Optionally, the inner core surface is provided with weight-reducing holes.

[0011] Optionally, the rear suspension assembly includes an integrally cast rear suspension bracket, a reducer housing, and a motor housing, wherein the reducer housing is connected to the reducer, and the motor housing is connected to the motor.

[0012] Optionally, the left front mount includes a left front vehicle side bracket and a left front motor side bracket. The subframe and the left front motor side bracket are connected to both ends of the left front vehicle side bracket, and the end of the left front motor side bracket away from the left front vehicle side bracket is connected to the motor.

[0013] Optionally, the right front mount includes a right front vehicle side bracket and a right front motor side bracket, the subframe and the right front motor side bracket are connected to both ends of the right front vehicle side bracket, and the end of the right front motor side bracket away from the right front vehicle side bracket is connected to the motor.

[0014] Optionally, the subframe includes a front crossbeam and a rear crossbeam, the left front mount and the right front mount are connected to both ends of the front crossbeam, and the mounting holes are formed on the surface of the rear crossbeam.

[0015] Secondly, this utility model embodiment provides a vehicle frame, including a subframe and the aforementioned motor mounting mechanism connected to the subframe.

[0016] Thirdly, this utility model embodiment provides a vehicle including the aforementioned vehicle body frame.

[0017] In this embodiment of the invention, when installing the motor, a mounting hole with its axis parallel to the mounting plane of the subframe is opened on one side surface of the subframe. The rear suspension assembly is then mounted on the side of the subframe through the mounting hole, avoiding the rear suspension assembly occupying the mounting plane of the front subframe. This frees up space that might otherwise be occupied by the rear suspension assembly, providing more space for the installation of other important structures such as the power steering motor and the stabilizer bar. This solves the problem of difficulty in arranging the motor suspension system due to insufficient space.

[0018] The above description is only an overview of the technical solution of this utility model. In order to better understand the technical means of this utility model, it can be implemented according to the contents of the specification. In order to make the above and other objects, features and advantages of this utility model more obvious and easy to understand, the following are specific embodiments of this utility model. Attached Figure Description

[0019] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0020] Figure 1 A schematic diagram of the overall structure of the motor mounting mechanism provided in this embodiment of the utility model;

[0021] Figure 2 A schematic diagram of the rear suspension assembly provided in this embodiment of the utility model;

[0022] Figure 3 This is a schematic diagram of the structure of the suspension bushing provided in an embodiment of the present utility model;

[0023] Figure 4 This is a schematic diagram of the left front suspension structure provided in an embodiment of the present utility model;

[0024] Figure 5 This is a schematic diagram of the right front suspension provided in an embodiment of the present utility model.

[0025] Figure label:

[0026] 1-Subframe; 11-Mounting hole; 12-Front crossbeam; 13-Rear crossbeam; 2-Left front mount; 21-Left front body side bracket; 22-Left front motor side bracket; 3-Right front mount; 31-Right front body side bracket; 32-Right front motor side bracket; 4-Motor; 5-Mounting component; 51-Suspension bushing; 511-Outer bushing; 512-Inner core; 513-Rubber main spring; 514-Bolt hole; 515-Through hole; 516-Weight reduction hole; 52-Mounting bolt; 6-Rear suspension assembly; 61-Rear mount bracket; 62-Reducer housing; 63-Motor housing. Detailed Implementation

[0027] Exemplary embodiments of the present invention will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this invention will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

[0028] In a first aspect, this utility model discloses a motor suspension mechanism, referring to... Figure 1 and Figure 2 As shown, it includes the left front suspension 2, the right front suspension 3, the rear suspension assembly 6, and the mounting component 5.

[0029] The left front mount 2 and the right front mount 3 are respectively connected to the two sides of the subframe 1; the surface of the subframe 1 away from the left front mount 2 is provided with mounting holes 11, and the axial direction of the mounting holes 11 is parallel to the mounting plane of the subframe 1.

[0030] Mounting component 5 is installed on one side of the rear suspension assembly 6. Mounting component 5 passes through mounting hole 11 and is connected to subframe 1. The left front suspension 2, right front suspension 3 and rear suspension assembly 6 are used together to mount motor 4.

[0031] When installing the motor 4, the rear suspension assembly 6 is mounted on the side of the subframe 1 through the mounting hole 11, which is parallel to the mounting plane of the subframe 1 and is opened on one side surface of the subframe 1. This avoids the rear suspension assembly 6 occupying the mounting plane of the front subframe 1, freeing up the space that might have been occupied by the rear suspension assembly 6. This provides more space for the installation of the power steering motor 4 and other important structures such as the stabilizer bar, thus solving the problem of difficulty in arranging the motor suspension system due to insufficient space.

[0032] The motor mount is a crucial component in electric vehicles, hybrid vehicles, and other new energy vehicles. It primarily connects the motor (4) to the vehicle's body or chassis structure. When the motor (4) operates, it generates vibrations and noise. If these vibrations and noises are directly transmitted to the vehicle body, they can severely impact ride comfort. The motor mount absorbs and disperses the vibration energy of the motor (4) through its elastic deformation, thereby reducing the amount of vibration transmitted to the vehicle body. Simultaneously, the motor mount can also adjust the installation position and orientation of the motor (4) to a certain extent, ensuring proper coordination between the motor (4) and other vehicle components for efficient power transmission.

[0033] The subframe 1 is a crucial component of the automotive chassis system, typically used to support the vehicle's suspension system, powertrain, and other related components. Its primary function is to provide a stable support platform for the chassis system, effectively isolating the suspension and powertrain from the body structure, thereby improving handling and comfort. During vehicle operation, the suspension system absorbs various impacts and vibrations from the road surface. The subframe 1, through its structural strength and elastic deformation, disperses and absorbs these impacts and vibrations, reducing the amount of vibration transmitted to the vehicle body. Simultaneously, the subframe 1 also transmits the weight and power of the powertrain to the vehicle body, ensuring stability and handling performance. Furthermore, the subframe 1 can serve as a reinforcing structure for the chassis, increasing overall vehicle rigidity and enhancing torsional and roll resistance during driving.

[0034] In a preferred embodiment, refer to Figure 1 and Figure 3The mounting component 5 includes a suspension bushing 51 and a mounting bolt 52. The suspension bushing 51 is located inside the mounting hole 11. The surface of the suspension bushing 51 has a bolt hole 514. The mounting bolt 52 passes through the bolt hole 514 and is connected to the subframe 1.

[0035] When installing the rear suspension assembly 6, insert the suspension bushing 51 into the mounting hole 11. At this time, the outer peripheral surface of the suspension bushing 51 abuts against the inner wall of the mounting hole 11. Then, place the rear suspension assembly 6 on one side of the subframe 1, and pass the mounting bolt 52 through the bolt hole 514 from the other side of the subframe 1 and connect it to the rear suspension assembly 6. This allows the rear suspension assembly 6 to be installed without occupying the mounting plane of the subframe 1, while ensuring the stability of the rear suspension assembly 6 during vehicle operation. Furthermore, the connection between the mounting bolt 52 and the subframe 1 facilitates installation and disassembly, reducing the cost of maintenance and replacement of the rear suspension assembly 6.

[0036] In a preferred embodiment, refer to Figure 1 and Figure 3 The suspension bushing 51 includes an outer bushing 511, an inner core 512, and a rubber main spring 513. The inner core 512 is fitted inside the outer bushing 511, and bolt holes 514 are opened on the surface of the inner core 512. The rubber main spring 513 is located between the inner core 512 and the outer bushing 511.

[0037] In this embodiment, the outer liner 511 is cylindrical, and its outer circumferential surface abuts against the inner wall of the mounting hole 11. The inner core 512 is generally rhomboid in shape, and the center of the bolt hole 514 on the surface of the inner core 512 is located on the axis of the outer liner 511. The outer liner 511, the rubber main spring 513, and the inner core 512 are sequentially fitted together. Along the radial direction of the suspension bushing 51, the surface of the through hole 515 near the center of the suspension bushing 51 is straight, and the surface of the through hole 515 near the outer edge of the center of the suspension bushing 51 is serrated. When vibration is transmitted to the rear suspension assembly 6, the rubber main spring 513 has good elasticity and damping characteristics, which can effectively absorb and disperse the vibration and impact force generated during vehicle operation, reducing the amount of force generated during vibration transmitted to the subframe 1 or the motor 4, thereby improving vehicle comfort and component lifespan. In addition, when the inner core 512 and the rubber main spring 513 come into contact due to vibration, the through holes 515 on the surface of the rubber main spring 513 are serrated, which changes the original surface contact into line contact, reducing the contact area. This makes the stiffness change when the inner core 512 and the rubber main spring 513 come into contact more slowly. This gentle stiffness change can more effectively absorb and disperse vibration energy, reduce the transmission of vibration, and thus improve the comfort of the vehicle.

[0038] In a preferred embodiment, refer to Figure 1 and Figure 3 The inner core 512 has weight-reducing holes 516 on its surface.

[0039] The weight-reducing hole 516 effectively reduces the weight of the inner core 512, thereby lowering the inertia of the entire suspension bushing 51. This allows the vehicle to respond more quickly to road changes during driving, improving handling performance. Furthermore, the design of the weight-reducing hole 516 optimizes the stress distribution of the inner core 512, avoiding stress concentration and enhancing its structural strength and durability. Simultaneously, the design of the weight-reducing hole 516 also reduces material usage, lowering production costs.

[0040] In a preferred embodiment, refer to Figure 1 and Figure 2 The rear suspension assembly 6 includes an integrally cast rear suspension bracket 61, a reducer housing 62, and a motor housing 63. The reducer housing 62 is connected to the reducer, and the motor housing is connected to the motor.

[0041] By integrating the rear suspension bracket 61, reducer housing 62, and motor housing 63 into a single unit, the rear suspension assembly 6 can be directly connected to the subframe 1 via a single mounting bolt 52. Compared to traditional rear suspension brackets that require two mounting brackets to connect the motor 4 to the subframe 1, this simplifies the installation process, reduces the number of parts and connection points, lowers assembly difficulty and time, and improves production efficiency. Simultaneously, reducing connection points also means reducing potential failure points, further improving the reliability and stability of the rear suspension assembly 6. Furthermore, traditional split-structure rear suspension assemblies 6 have weak points in the connection areas. In contrast, the rear suspension assembly 6 of this embodiment adopts an integrated design of the rear suspension bracket 61, reducer housing 62, and motor housing 63, which is integrally cast. This improves the overall structural strength and rigidity of the rear suspension assembly 6, enabling it to better withstand various loads generated during vehicle operation, including vibration, impact, and torque, thus improving vehicle handling stability and enhancing the durability and reliability of components.

[0042] In a preferred embodiment, refer to Figure 1 and Figure 4 The left front suspension 2 includes a left front vehicle side bracket 21 and a left front motor side bracket 22. The subframe 1 and the left front motor side bracket 22 are connected to both ends of the left front vehicle side bracket 21. The end of the left front motor side bracket 22 away from the left front vehicle side bracket 21 is connected to the motor 4.

[0043] In this embodiment of the utility model, the left front vehicle side bracket 21 is provided with a threaded hole. When installing the left front suspension 2, the left front vehicle side bracket 21 is connected to the subframe 1 by bolts. Then, the left front motor side bracket 22 is connected to the motor 4, thereby connecting the motor 4 to the subframe 1 through the left front suspension 2.

[0044] In a preferred embodiment, the surface of the left front vehicle side bracket 21 is also provided with a left front mounting hole. The left front mounting hole is also provided with a suspension bushing 51 and a mounting bolt 52. The surface of the suspension bushing 51 is provided with a bolt hole 514. The mounting bolt 52 passes through the bolt hole 514 and connects to the left front motor side bracket 22. When vibration is transmitted to the left front suspension 2, due to the good elasticity and damping characteristics of the rubber main spring 513 itself, it can effectively absorb and disperse the vibration and impact force generated during vehicle driving, reduce the amount of vibration transmitted to the subframe 1 or motor 4, thereby improving the comfort of the vehicle and the service life of the components.

[0045] In a preferred embodiment, refer to Figure 1 and Figure 5 The right front suspension 3 includes a right front vehicle side bracket 31 and a right front motor side bracket 32. The subframe 1 and the right front motor side bracket 32 ​​are connected to both ends of the right front vehicle side bracket 31. The end of the right front motor side bracket 32 ​​away from the right front vehicle side bracket 31 is connected to the motor 4.

[0046] In this embodiment of the utility model, the right front vehicle side bracket 31 is provided with a threaded hole. When installing the right front suspension 3, the right front vehicle side bracket 31 is connected to the subframe 1 by bolts. Then, the right front motor side bracket 32 ​​is connected to the motor 4, thereby connecting the motor 4 to the subframe 1 through the right front suspension 3.

[0047] In a preferred embodiment, the right front vehicle side bracket 31 also has a right front mounting hole on its surface. The right front mounting hole also has a suspension bushing 51 and a mounting bolt 52. The suspension bushing 51 has a bolt hole 514 on its surface. The mounting bolt 52 passes through the bolt hole 514 and connects to the right front motor 4 side bracket 32. When vibration is transmitted to the right front suspension 3, the rubber main spring 513 has good elasticity and damping characteristics, which can effectively absorb and disperse the vibration and impact force generated during vehicle driving, reduce the amount of force generated during vibration transmitted to the subframe 1 or motor 4, thereby improving the comfort of the vehicle and the service life of the components.

[0048] Another motor mounting mechanism of this utility model may include multiple mounting parts 5. Mounting holes 11 are provided on the side of the subframe 1. The axial direction of the mounting holes 11 is parallel to the mounting plane of the subframe 1. Multiple mounting parts 5 are respectively installed on one side of the left front mount 2, the right front mount 3, and the rear mount assembly 6. The mounting parts 5 pass through different mounting holes 11 and are connected to the subframe 1. The ends of the left front mount 2, the right front mount 3, and the rear mount assembly 6 away from the subframe 1 are connected to the motor 4.

[0049] When installing the motor 4, mounting holes 11 with the axial direction parallel to the mounting plane of the subframe 1 are opened on one side surface of the subframe 1. The rear suspension assembly 6, the left front suspension 2, and the right front suspension 3 are mounted on the side of the subframe 1 through the mounting holes 11. This avoids the rear suspension assembly 6, the left front suspension 2, and the right front suspension 3 occupying the mounting plane of the front subframe 1, and frees up the space that might have been occupied by the rear suspension assembly 6, the left front suspension 2, and the right front suspension 3. This provides more space for the installation of the power steering motor 4 and other important structures such as the stabilizer bar.

[0050] In a preferred embodiment, refer to Figure 2 and Figure 3 The subframe 1 includes a front crossbeam 12 and a rear crossbeam 13. The left front mount 2 and the right front mount 3 are connected to both ends of the front crossbeam 12, and mounting holes 11 are formed on the surface of the rear crossbeam 13.

[0051] In this embodiment of the invention, the subframe 1 further includes two longitudinal beams. The two ends of the front crossbeam 12 are connected to one end of each of the two longitudinal beams, and the other ends of the two longitudinal beams are connected to both ends of the rear crossbeam 13. By connecting the left front mount 2 and the right front mount 3 to both ends of the front crossbeam 12 of the subframe 1, and by creating mounting holes 11 on the surface of the rear crossbeam 13, a triangular connection is formed between the motor 4 and the subframe 1. This triangular connection structure has extremely high stability. The geometric characteristics of a triangle determine that it can evenly distribute stress when subjected to force, avoiding stress concentration. This stable connection method can effectively absorb and disperse the vibrations and impacts generated during vehicle operation, reducing the impact of these forces on the motor 4 and the subframe 1, thereby improving the service life and reliability of the motor 4 and the subframe 1.

[0052] In this embodiment of the present invention, when installing the motor 4, a mounting hole 11 with an axial direction parallel to the mounting plane of the subframe 1 is opened on one side surface of the subframe 1, so that the rear suspension assembly 6 is mounted on the side of the subframe 1 through the mounting hole 11. This avoids the rear suspension assembly 6 occupying the mounting plane of the front subframe 1, and frees up the space that might have been occupied by the rear suspension assembly 6. This provides more space for the installation of the power steering motor 4 and other important structures such as the stabilizer bar, thus solving the problem of difficulty in arranging the motor suspension system due to insufficient space.

[0053] Secondly, this utility model embodiment also discloses a motor mounting mechanism including a subframe 1 and a motor mounting mechanism connected to the subframe 1. The motor mounting mechanism includes a left front mount 2, a right front mount 3, a rear mount assembly 6, and a mounting member 5. The left front mount 2 and the right front mount 3 are respectively connected to the two sides of the subframe 1. A mounting hole 11 is provided on the surface of the subframe 1 away from the left front mount 2, and the axial direction of the mounting hole 11 is parallel to the mounting plane of the subframe 1. The mounting member 5 is installed on one side of the rear mount assembly 6, and the mounting member 5 passes through the mounting hole 11 and is connected to the subframe 1. The ends of the left front mount 2, the right front mount 3, and the rear mount assembly 6 away from the subframe 1 are connected to the motor 4.

[0054] Since the vehicle body frame includes the aforementioned motor mounting mechanism, it also possesses the beneficial effects of the aforementioned motor mounting mechanism, which will not be elaborated here.

[0055] Thirdly, this utility model also discloses a vehicle including any of the aforementioned motor mounting mechanisms. The motor mounting mechanism includes a left front mount 2, a right front mount 3, a rear mount assembly 6, and a mounting member 5. The left front mount 2 and the right front mount 3 are respectively connected to both sides of the subframe 1; a mounting hole 11 is provided on the surface of the subframe 1 away from the left front mount 2, and the axial direction of the mounting hole 11 is parallel to the mounting plane of the subframe 1; the mounting member 5 is installed on one side of the rear mount assembly 6, and the mounting member 5 passes through the mounting hole 11 and is connected to the subframe 1; the left front mount 2, the right front mount 3, and the rear mount assembly 6 away from the subframe 1 are connected to the motor 4.

[0056] Since the vehicle includes the aforementioned motor mounting mechanism, it also possesses the beneficial effects of the aforementioned motor mounting mechanism, which will not be elaborated upon here.

[0057] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0058] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art. In the description of this specification, the reference to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., means that the specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in any suitable manner in one or more embodiments or examples.

[0059] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims. All of these forms are within the protection scope of the present invention.

Claims

1. A motor mounting mechanism for mounting a motor on a subframe, characterized in that, Includes the left front suspension, right front suspension, rear suspension assembly and mounting hardware; The left front mount and the right front mount are respectively connected to the two sides of the subframe; the surface of the subframe away from the left front mount has a mounting hole, and the axis of the mounting hole is parallel to the mounting plane of the subframe. The mounting component is installed on one side of the rear suspension assembly, and the mounting component passes through the mounting hole and is connected to the subframe; the left front suspension, the right front suspension, and the rear suspension assembly are used together to mount the motor.

2. The motor suspension mechanism according to claim 1, characterized in that, The mounting component includes a suspension bushing and a mounting bolt. The suspension bushing is located inside the mounting hole, and a bolt hole is formed on the surface of the suspension bushing. The mounting bolt passes through the bolt hole and is connected to the subframe.

3. The motor suspension mechanism according to claim 2, characterized in that, The suspension bushing includes an outer bushing, an inner core, and a rubber main spring. The inner core is sleeved inside the outer bushing, the bolt holes are formed on the surface of the inner core, and the rubber main spring is located between the inner core and the outer bushing.

4. The motor suspension mechanism according to claim 3, characterized in that, The inner core surface has weight-reducing holes.

5. The motor suspension mechanism according to claim 1, characterized in that, The rear suspension assembly includes an integrally cast rear suspension bracket, a reducer housing, and a motor housing. The reducer housing is connected to the reducer, and the motor housing is connected to the motor.

6. The motor suspension mechanism according to claim 1, characterized in that, The left front suspension includes a left front vehicle side bracket and a left front motor side bracket. The subframe and the left front motor side bracket are connected to both ends of the left front vehicle side bracket. The end of the left front motor side bracket away from the left front vehicle side bracket is connected to the motor.

7. The motor suspension mechanism according to claim 1, characterized in that, The right front suspension includes a right front vehicle side bracket and a right front motor side bracket. The subframe and the right front motor side bracket are connected to both ends of the right front vehicle side bracket. The end of the right front motor side bracket away from the right front vehicle side bracket is connected to the motor.

8. The motor suspension mechanism according to claim 1, characterized in that, The subframe includes a front crossbeam and a rear crossbeam. The left front mount and the right front mount are connected to both ends of the front crossbeam, and the mounting holes are formed on the surface of the rear crossbeam.

9. A vehicle body frame, characterized in that, It includes a subframe and a motor mounting mechanism as described in any one of claims 1 to 8 connected to the subframe.

10. A vehicle, characterized in that, Includes the vehicle body frame as described in claim 9.

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