Rear auxiliary frame, rear auxiliary frame assembly and vehicle

Abstract

The utility model discloses a rear auxiliary frame, a rear auxiliary frame assembly and a vehicle, the rear auxiliary frame comprises two longitudinal beams which are arranged at intervals along the transverse direction; the front cross beam is connected with the front ends of the two longitudinal beams respectively, and the rear cross beam is connected between the two longitudinal beams and located behind the front cross beam; at least one of the front cross beam and the rear cross beam is arranged in a protruding mode in the direction away from the other cross beam, so that a motor installation space used for avoiding a driving motor is formed between the front cross beam and the rear cross beam. According to the rear auxiliary frame, at least one of the front cross beam and the rear cross beam protrudes in the direction away from the other cross beam, so that the motor installation space for avoiding the driving motor is formed between the front cross beam and the rear cross beam, the driving motor can be conveniently arranged, the using effect is better, and the application range is wider.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle manufacturing, in particular to a rear subframe, a rear subframe assembly and a vehicle. Background Art

[0002] With the rapid development of pure electric vehicles and hybrid vehicles, rear motor drive is becoming more and more popular, which brings with it the layout of the rear motor, rear suspension, and rear drive shaft half shaft. At present, the mainstream rear suspension is a trailing arm four-link suspension, H-arm suspension or five-link suspension. Among them, the trailing arm four-link suspension is suitable for the main reducer layout of front-wheel drive vehicles or mechanical rear-wheel drive vehicles. Due to its cost advantage, it is adopted by most mid-to-high-end models, but its hard point structure is limited in the layout of the motor rear drive, resulting in insufficient space for motor installation, and there is room for improvement. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a rear subframe, which is provided with a motor installation space to facilitate the arrangement of a drive motor.

[0004] According to the rear subframe of the embodiment of the utility model, it includes: two longitudinal beams, the two longitudinal beams are arranged to be spaced apart in the transverse direction; a front cross beam and a rear cross beam, the front cross beam is respectively connected to the front ends of the two longitudinal beams, and the rear cross beam is connected between the two longitudinal beams and is located behind the front cross beam; wherein at least one of the front cross beam and the rear cross beam is arranged to protrude in a direction away from the other, so as to form a motor installation space between the front cross beam and the rear cross beam for avoiding the drive motor.

[0005] According to the rear subframe of the embodiment of the utility model, at least one of the front cross beam and the rear cross beam is arranged to protrude in a direction away from the other, so that a motor installation space for avoiding the drive motor is formed between the front cross beam and the rear cross beam, thereby facilitating the installation of the drive motor, achieving better use effect and a wider range of application.

[0006] According to the rear subframe of some embodiments of the present invention, at least a portion of the front cross beam is configured to protrude forward; and / or at least a portion of the front cross beam is configured to protrude upward.

[0007] According to the rear subframe of some embodiments of the present invention, at least a portion of the front cross beam protrudes forward with a dimension L1, and satisfies: L1 ≥ 100 mm; and / or at least a portion of the front cross beam protrudes upward with a dimension L2, and satisfies: L2 ≥ 100 mm.

[0008] According to the rear subframe of some embodiments of the present invention, the front cross beam includes a protruding portion, two middle portions and two connecting portions, the two connecting portions are respectively located at two ends of the protruding portion, and each of the connecting portions is connected to the protruding portion by bending the middle portion, and the protruding portion is arranged to protrude relative to the connecting portion in a direction away from the rear cross beam.

[0009] According to some embodiments of the utility model, the rear subframe further includes a left motor suspension and a right motor suspension, wherein the left motor suspension and the right motor suspension are used to be connected to the drive motor respectively, and the left motor suspension and the right motor suspension are installed below the front cross beam at a laterally spaced interval.

[0010] According to the rear subframe of some embodiments of the present invention, the rear cross beam includes a first plate portion and a second plate portion, the first plate portion and the second plate portion are connected along the front-rear direction, and the front side of the first plate portion is configured to be bent rearward.

[0011] According to the rear subframe of some embodiments of the present invention, an installation space is formed between the first plate portion and the second plate portion, and the installation space is provided with a sleeve structure, both ends of the sleeve structure are passed through the first plate portion and the second plate portion, and the sleeve structure is used to be installed on the motor rear suspension connected to the drive motor.

[0012] According to the rear subframe of some embodiments of the utility model, the rear cross beam is provided with a reinforcing plate, and the reinforcing plate is arranged on the bottom surface of the rear cross beam; wherein, the reinforcing plate is multiple, and the multiple reinforcing plates are distributed on the rear cross beam at intervals in the transverse direction.

[0013] The utility model also provides a rear auxiliary frame assembly.

[0014] According to the embodiment of the utility model, the rear subframe assembly includes: a rear stabilizer bar mounting bracket, a front toe rod bracket, an upper cross beam mounting bracket, a rear motor suspension and the rear subframe described in any one of the above items, the rear stabilizer bar mounting bracket is used to install the rear stabilizer bar and is arranged on the rear cross beam, the front toe rod bracket is used to install the front toe rod and is arranged at the connection between the longitudinal beam and the front cross beam, the upper cross beam mounting bracket is used to install the upper cross beam and is arranged above the longitudinal beam, and the rear motor suspension is arranged on the rear cross beam.

[0015] The utility model also provides a vehicle.

[0016] The vehicle according to the embodiment of the utility model is provided with the above-mentioned rear subframe assembly.

[0017] The advantages of the rear subframe assembly, the vehicle and the above-mentioned rear subframe over the prior art are the same and will not be described in detail here.

[0018] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 The structure diagram of the rear subframe assembly according to the embodiment of the utility model is shown in FIG. Figure 1 ;

[0021] Figure 2 The structure diagram of the rear subframe assembly according to the embodiment of the utility model is shown in FIG. Figure 2 ;

[0022] Figure 3 is an exploded view of a rear subframe assembly according to an embodiment of the utility model;

[0023] Figure 4 is an exploded view of a rear cross beam according to an embodiment of the utility model;

[0024] Figure 5 is a schematic structural diagram of a longitudinal beam according to an embodiment of the utility model;

[0025] Figure 6 is a schematic structural diagram of a front crossbeam according to an embodiment of the utility model;

[0026] Figure 7 is a schematic structural diagram of a bushing according to an embodiment of the utility model;

[0027] Figure 8 It is a structural schematic diagram of the rear motor suspension according to an embodiment of the utility model.

[0028] Reference numerals:

[0029] Rear subframe assembly 100,

[0030] Rear stabilizer bar mounting bracket 1, front toe rod bracket 2, rear motor suspension 3, rear subframe 4,

[0031] Longitudinal beam 41, front cross beam 42, protruding portion 421, middle portion 422, connecting portion 423, rear cross beam 43, first plate portion 431, second plate portion 432, sleeve structure 433, reinforcing plate 434, motor installation space 44, motor left suspension 45, motor right suspension 46, installation portion 47, bushing 471, upper cross beam mounting bracket 5. DETAILED DESCRIPTION

[0032] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0033] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0034] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0035] Unless otherwise specified, the front-to-back direction in this application is the longitudinal direction of the vehicle, that is, the X direction; the left-right direction is the lateral direction of the vehicle, that is, the Y direction; and the up-down direction is the vertical direction of the vehicle, that is, the Z direction.

[0036] Reference below Figure 1-Figure 8 Description According to the embodiment of the utility model, the rear subframe 4 is provided with a motor installation space 44 to facilitate the arrangement of the drive motor.

[0037] like Figure 1-Figure 8 As shown, the rear subframe 4 according to the embodiment of the utility model includes: two longitudinal beams 41 , a front cross beam 42 and a rear cross beam 43 .

[0038] The two longitudinal beams 41 are arranged to be spaced apart in the transverse direction, the front cross beam 42 is respectively connected to the front ends of the two longitudinal beams 41, and the rear cross beam 43 is connected between the two longitudinal beams 41 and is located behind the front cross beam 42; wherein, at least one of the front cross beam 42 and the rear cross beam 43 is arranged to protrude in a direction away from the other, so as to form a motor installation space 44 between the front cross beam 42 and the rear cross beam 43 for avoiding the drive motor.

[0039] Among them, the rear subframe 4 can be regarded as the skeleton of the rear axle and is a component of the rear axle. The rear subframe 4 is a bracket that supports the rear axle and the suspension, etc., and can connect the axle, the suspension, etc. with the frame of the vehicle. The rear subframe 4 can block vibration and noise, thereby reducing the vibration and noise that directly enter the interior of the vehicle and improving riding comfort. The rear suspension and the rear drive motor can be first assembled on the rear subframe 4 to form a rear subframe assembly 100, and then installed together on the vehicle body to improve the integrity of the vehicle body.

[0040] Specifically, the rear subframe 4 is provided with a front crossbeam 42 and a rear crossbeam 43, both of which are arranged transversely of the vehicle body, mounting portions 47 are provided at both ends of the front crossbeam 42, bushings 471 are provided in the mounting portions 47, so that the rear subframe 4 can be connected to the vehicle body through the mounting portions 47, and the bushings 471 can be provided as rubber bushings 471, which can buffer vibrations and improve comfort. The front crossbeam 42 can be made by a hydraulic forming process, which refers to the use of liquid water, oil or viscous substances as a force transmission medium instead of a rigid die or punch, so that the material is formed by fitting the punch or die under the pressure of the force transmission medium. The front crossbeam 42 is manufactured by hydraulic forming, which can improve the quality of the front crossbeam 42, reduce problems such as scratches on the surface of the front crossbeam 42 and internal wrinkles of the material, and reduce manufacturing costs. The rear crossbeam 43 can be formed by sheet metal welding.

[0041] The rear subframe 4 is also provided with two longitudinal beams 41, and the two longitudinal beams 41 are arranged at intervals in the transverse direction, and the front ends of the two longitudinal beams 41 are connected to the front cross beam 42 by welding or the like, and the rear ends of the two longitudinal beams 41 are provided with mounting portions 47, and bushings 471 are provided in the mounting portions 47, so that the rear subframe 4 can be connected to the vehicle body through the mounting portions 47, and the bushings 471 can be provided as rubber bushings 471, which can buffer vibrations and improve comfort. The two ends of the rear cross beam 43 are also connected to the two longitudinal beams 41 by welding or the like, so that the rear cross beam 43 is connected between the two longitudinal beams 41, and the rear cross beam 43 is located behind the front cross beam 42, so that the front cross beam 42, the rear cross beam 43 and the two longitudinal beams 41 together constitute an integral frame, which can be used to install other components.

[0042] Furthermore, the front cross beam 42 is arranged at the front part of the rear subframe 4, the rear cross beam 43 is arranged at the rear part of the rear subframe 4, and at least one of the front cross beam 42 and the rear cross beam 43 is arranged to protrude in the direction away from the other. Only the front cross beam 42 can be arranged to protrude in the direction away from the rear cross beam 43, that is, only the front cross beam 42 is arranged to protrude forward, or only the rear cross beam 43 can be arranged to protrude in the direction away from the front cross beam 42, that is, only the rear cross beam 43 is arranged to protrude backward. The front cross beam 42 can also be arranged to protrude in the direction away from the rear cross beam 43, and the rear cross beam 43 can be arranged to protrude in the direction away from the front cross beam 42, that is, the front cross beam 42 is arranged to protrude forward, and the rear cross beam 43 is arranged to protrude backward. Therefore, a motor installation space 44 can be formed between the front cross beam 42 and the rear cross beam 43, and the motor installation space 44 can avoid the rear drive motor of the vehicle to facilitate the installation of the drive motor, etc.

[0043] According to the rear subframe 4 of the embodiment of the utility model, at least one of the front cross beam 42 and the rear cross beam 43 is arranged to protrude in a direction away from the other, so that a motor installation space 44 for avoiding the drive motor is formed between the front cross beam 42 and the rear cross beam 43, thereby facilitating the installation of the drive motor, achieving better use effect and a wider range of application.

[0044] In some embodiments, at least a portion of the front cross beam 42 is configured to protrude forward, and / or, at least a portion of the front cross beam 42 is configured to protrude upward, that is, only at least a portion of the front cross beam 42 is configured to protrude forward, or only at least a portion of the front cross beam 42 is configured to protrude upward, or at least a portion of the front cross beam 42 is configured to protrude forward and at the same time, at least a portion of the front cross beam 42 is configured to protrude upward.

[0045] Specifically, the front cross beam 42 is arranged at the front part of the rear sub-frame 4, and the front cross beam 42 can be arranged to protrude in the direction away from the rear cross beam 43. In the present embodiment, at least a part of the front cross beam 42 is arranged to protrude forward, and at least a part of the front cross beam 42 is arranged to protrude upward, so that the front cross beam 42 forms an avoidance groove toward the rear side, thereby avoiding the drive motor to provide installation space for the drive motor, and the front cross beam 42 protrudes upward, so that after the rear sub-frame 4 is installed on the vehicle body, it can provide an upward supporting force to the vehicle body, so as to improve the structural strength of the vehicle body and improve safety.

[0046] In some embodiments, the dimension of at least part of the front beam 42 protruding forward is L1, and satisfies: L1 ≥ 100 mm, and / or, the dimension of at least part of the front beam 42 protruding upward is L2, and satisfies: L2 ≥ 100 mm, that is, only the dimension L1 of at least part of the front beam 42 protruding forward is set to satisfy: L1 ≥ 100 mm, or only the dimension L2 of at least part of the front beam 42 protruding upward is set to satisfy: L2 ≥ 100 mm, or the dimension L1 of at least part of the front beam 42 protruding forward is set to satisfy: L1 ≥ 100 mm, and at the same time, the dimension L2 of at least part of the front beam 42 protruding upward is set to satisfy: L2 ≥ 100 mm.

[0047] Specifically, in the present embodiment, the dimension L1 of at least part of the front beam 42 protruding forward is set to satisfy: L1 ≥ 100 mm, and the dimension L2 of at least part of the front beam 42 protruding upward is set to satisfy: L2 ≥ 100 mm, that is, the dimension L1 of at least part of the front beam 42 protruding forward can be set to 100 mm, 105 mm, 110 mm, etc., and the dimension L2 of at least part of the front beam 42 protruding upward can be set to 100 mm, 105 mm, 110 mm, etc., and the dimension L1 of at least part of the front beam 42 protruding forward is set to satisfy: L1 ≥ 100 mm, and the dimension L2 of at least part of the front beam 42 protruding upward is set to satisfy: L2 ≥ 100 mm, so that the front beam 42 can avoid the drive motor to provide installation space for the drive motor, thereby facilitating the installation of the drive motor.

[0048] In some embodiments, the front cross beam 42 includes a protruding portion 421, two middle portions 422 and two connecting portions 423. The two connecting portions 423 are respectively located at both ends of the protruding portion 421, and each connecting portion 423 is connected to the protruding portion 421 by bending an middle portion 422, and the protruding portion 421 is protruded relative to the connecting portion 423 in a direction away from the rear cross beam 43.

[0049] Specifically, Figure 1-Figure 3 and Figure 6As shown, the front cross beam 42 is arranged at the front part of the rear subframe 4, and part of the front cross beam 42 protrudes forward and upward at the same time, so as to provide an installation space for the drive motor, which is convenient for the installation of the drive motor, and the front cross beam 42 is provided with a protruding portion 421, a middle portion 422 and a connecting portion 423, and the middle portion 422 and the connecting portion 423 are each provided with two, and the two middle portions 422 are symmetrically connected to the two ends of the protruding portion 421, and the two connecting portions 423 are respectively connected to the two middle portions 422, so that each connecting portion 423 is connected to the protruding portion 421 by bending through a middle portion 422, so that the protruding portion 421 can be protruded relative to the connecting portion 423 in a direction away from the rear cross beam 43, and arc-shaped connections are provided at both ends of the connecting portion 423, which can avoid problems such as stress concentration leading to low structural strength, and can avoid damage to other components during installation, thereby improving installation reliability.

[0050] In some embodiments, the rear subframe 4 further includes a left motor suspension 45 and a right motor suspension 46, which are used to be connected to the drive motors respectively, and the left motor suspension 45 and the right motor suspension 46 are installed below the front crossbeam 42 at intervals along the lateral direction.

[0051] Specifically, Figure 1-Figure 3 As shown, the rear subframe 4 is provided with a left motor suspension 45 and a right motor suspension 46, and the left motor suspension 45 and the right motor suspension 46 are both connected to the bottom of the front cross beam 42 by welding or the like, and the left motor suspension 45 and the right motor suspension 46 are arranged at intervals below the front cross beam 42, two left motor suspensions 45 are provided, and two right motor suspensions 46 are also provided, and both the left motor suspension 45 and the right motor suspension 46 can be provided as sheet metal stamping brackets, and the left motor suspension 45 and the right motor suspension 46 are used to be connected to the drive motor respectively, so as to ensure the reliability of the installation of the drive motor.

[0052] In some embodiments, the rear cross beam 43 includes a first plate portion 431 and a second plate portion 432 , the first plate portion 431 and the second plate portion 432 are connected in the front-to-back direction, and the front side of the first plate portion 431 is configured to be bent rearward.

[0053] Specifically, Figure 1-Figure 4As shown, the rear cross beam 43 is arranged at the rear part of the rear subframe 4, and the two ends of the rear cross beam 43 can be connected to the two longitudinal beams 41 by welding or the like, and the rear cross beam 43 is provided with a first plate portion 431 and a second plate portion 432, and the first plate portion 431 and the second plate portion 432 are connected by welding or the like, and the first plate portion 431 and the second plate portion 432 are both extended along the left and right directions of the vehicle body, and the first plate portion 431 is arranged in front of the rear cross beam 43, and the second plate portion 432 is arranged behind the rear cross beam 43, and the front side of the first plate portion 431 is arranged to be bent backward, that is, the front part of the rear cross beam 43 is provided with a groove protruding backward, so that the motor installation space 44 formed between the front cross beam 42 and the rear cross beam 43 can be enlarged toward the rear of the vehicle body, so that the motor installation space 44 can avoid the rear drive motor of the vehicle to facilitate the installation of the drive motor, etc.

[0054] In some embodiments, an installation space is formed between the first plate portion 431 and the second plate portion 432, and a sleeve structure 433 is provided in the installation space. Both ends of the sleeve structure 433 are passed through the first plate portion 431 and the second plate portion 432, and the sleeve structure 433 is used to be installed on the rear suspension of the motor connected to the drive motor.

[0055] Specifically, Figure 1-Figure 4 As shown, the rear cross beam 43 is provided with a first plate portion 431 and a second plate portion 432, the first plate portion 431 and the second plate portion 432 are connected by welding or the like, and an installation space is formed between the first plate portion 431 and the second plate portion 432, a sleeve structure 433 is provided in the installation space, the sleeve structure 433 is connected to the first plate portion 431 and the second plate portion 432 by welding or the like, and both ends of the sleeve structure 433 are passed through the first plate portion 431 and the second plate portion 432, and the sleeve structure 433 is provided as a cylindrical structure, which can be used for installation as shown in FIG. Figure 8 The motor rear suspension shown is such that the connecting lines of the motor rear suspension and the motor left suspension 45 and the motor right suspension 46 on the rear sub-frame 4 form a triangle, thereby improving the reliability of the drive motor installation.

[0056] In some embodiments, the rear cross beam 43 is provided with a reinforcing plate 434 , which is provided on the bottom surface of the rear cross beam 43 , wherein there are multiple reinforcing plates 434 , which are spaced apart and distributed on the rear cross beam 43 in the transverse direction.

[0057] Specifically, Figure 2-Figure 4As shown, the rear cross beam 43 is provided with a first plate portion 431 and a second plate portion 432. The first plate portion 431 is provided in front of the rear cross beam 43, and the second plate portion 432 is provided behind the rear cross beam 43. The first plate portion 431 and the second plate portion 432 are connected by welding or the like. The rear cross beam 43 is also provided with a reinforcing plate 434. The reinforcing plate 434 is provided on the bottom surface of the rear cross beam 43. The reinforcing plate 434 is installed at the connection between the first plate portion 431 and the second plate portion 432 by welding or the like, thereby improving the structural strength of the rear cross beam 43.

[0058] Furthermore, the reinforcing plate 434 may be provided in plurality, that is, two, three, etc. reinforcing plates 434 may be provided. In the present embodiment, three reinforcing plates 434 are provided, and the three reinforcing plates 434 are distributed on the bottom surface of the rear cross beam 43 along the transverse interval, and the three reinforcing plates 434 are symmetrically provided on the bottom surface of the rear cross beam 43 along the front-rear direction of the vehicle body, so that the structural strength on both sides of the rear cross beam 43 is the same, thereby avoiding deformation of the rear cross beam 43 due to different strengths, and one of the multiple reinforcing plates 434 is provided below the sleeve structure 433 to ensure the reliability of the installation of the sleeve structure 433.

[0059] The utility model also provides a rear subframe assembly 100 .

[0060] The rear subframe assembly 100 according to the embodiment of the utility model comprises: a rear stabilizer bar mounting bracket 1, a front toe rod bracket 2, an upper crossbeam mounting bracket 5, a rear motor suspension 3 and any one of the above rear subframes 4.

[0061] The rear stabilizer bar mounting bracket 1 is used to install the rear stabilizer bar and is arranged on the rear cross beam 43, the front toe bar bracket 2 is used to install the front toe bar and is arranged at the connection between the longitudinal beam 41 and the front cross beam 42, the upper cross beam mounting bracket 5 is used to install the upper cross beam and is arranged above the longitudinal beam 41, and the rear motor suspension 3 is arranged on the rear cross beam 43.

[0062] Specifically, Figure 1-Figure 3As shown, the rear subframe assembly 100 is provided with a rear subframe 4, and the rear subframe assembly 100 is also provided with a rear stabilizer bar mounting bracket 1, a front toe rod bracket 2, an upper cross beam mounting bracket 5 and a rear motor suspension 3, etc., the rear stabilizer bar mounting bracket 1 is provided with two, the two rear stabilizer bar mounting brackets 1 are connected to the second plate portion 432 of the rear cross beam 43 by welding or the like, the rear stabilizer bar mounting bracket 1 can be used to install the rear stabilizer bar, the front toe rod bracket 2 is provided with two, the two front toe rod brackets 2 are connected to the connecting portion of the longitudinal beam 41 and the front cross beam 42 by welding or the like, the front toe rod bracket 2 can be used to install the front toe rod, the upper cross beam mounting bracket 5 is provided with two, the two upper cross beam mounting brackets 5 are connected to the longitudinal beam 41 by welding or the like, the upper cross beam mounting bracket 5 can be used to install the upper cross beam, and the rear motor suspension 3 can be installed in the sleeve structure 433, and then can be fixed to the rear cross beam 43, so as to realize different functions of the vehicle.

[0063] According to the rear sub-frame assembly 100 of the embodiment of the utility model, a rear sub-frame 4 is provided, and the rear sub-frame 4 sets at least one of the front cross beam 42 and the rear cross beam 43 to protrude in a direction away from the other, so that a motor installation space 44 for avoiding the drive motor is formed between the front cross beam 42 and the rear cross beam 43, thereby facilitating the installation of the drive motor, achieving better use effect and a wider range of application.

[0064] The utility model also provides a vehicle.

[0065] The vehicle according to the embodiment of the present utility model is provided with the above-mentioned rear subframe assembly 100 .

[0066] According to the vehicle of the embodiment of the utility model, a rear sub-frame assembly 100 is provided, and the rear sub-frame 4 of the rear sub-frame assembly 100 sets at least one of the front cross beam 42 and the rear cross beam 43 to protrude in a direction away from the other, so that a motor installation space 44 for avoiding the drive motor is formed between the front cross beam 42 and the rear cross beam 43, thereby facilitating the installation of the drive motor, achieving better use effect and a wider range of application.

[0067] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0068] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A rear subframe, characterized in that: include: Two longitudinal beams, the two longitudinal beams are arranged spaced apart in the transverse direction; A front crossbeam and a rear crossbeam, wherein the front crossbeam is connected to the front ends of the two longitudinal beams respectively, and the rear crossbeam is connected between the two longitudinal beams and is located behind the front crossbeam; Wherein, at least one of the front cross beam and the rear cross beam is configured to protrude in a direction away from the other, so as to form a motor installation space for avoiding the drive motor between the front cross beam and the rear cross beam.

2. The rear subframe according to claim 1, characterized in that: At least a portion of the front cross beam is configured to protrude forward; And / or, at least a portion of the front cross beam is configured to protrude upward.

3. The rear subframe according to claim 2, characterized in that: The dimension of at least part of the front cross beam protruding forward is L1, and satisfies: L1 ≥ 100 mm; And / or, the dimension of at least part of the front cross beam protruding upward is L2, and satisfies: L2≥100 mm.

4. The rear subframe according to claim 1, characterized in that: The front cross beam includes a protruding portion, two middle portions and two connecting portions, the two connecting portions are respectively located at the two ends of the protruding portion, and each connecting portion is connected to the protruding portion through a bending of the middle portion, and the protruding portion is arranged to protrude relative to the connecting portion in a direction away from the rear cross beam.

5. The rear subframe according to claim 1, characterized in that: It also includes a left motor suspension and a right motor suspension, wherein the left motor suspension and the right motor suspension are used to be connected to the drive motor respectively, and the left motor suspension and the right motor suspension are installed below the front crossbeam at intervals in the transverse direction.

6. The rear subframe according to any one of claims 1 to 5, characterized in that: The rear cross beam includes a first plate portion and a second plate portion, the first plate portion and the second plate portion are connected in a front-rear direction, and a front side of the first plate portion is configured to be bent rearward.

7. The rear subframe according to claim 6, characterized in that: An installation space is formed between the first plate portion and the second plate portion, and the installation space is provided with a sleeve structure, both ends of the sleeve structure are passed through the first plate portion and the second plate portion, and the sleeve structure is used to be installed on the motor rear suspension connected to the drive motor.

8. The rear subframe according to any one of claims 1 to 5, characterized in that: The rear cross beam is provided with a reinforcement plate, and the reinforcement plate is arranged on the bottom surface of the rear cross beam; There are multiple reinforcing panels, and the multiple reinforcing panels are distributed on the rear cross beam at intervals in the transverse direction.

9. A rear subframe assembly, characterized in that: include: A rear stabilizer bar mounting bracket, a front toe rod bracket, an upper cross beam mounting bracket, a rear motor suspension and a rear subframe as described in any one of claims 1 to 8, wherein the rear stabilizer bar mounting bracket is used to mount the rear stabilizer bar and is arranged on the rear cross beam, the front toe rod bracket is used to mount the front toe rod and is arranged at the connection between the longitudinal beam and the front cross beam, the upper cross beam mounting bracket is used to mount the upper cross beam and is arranged above the longitudinal beam, and the rear motor suspension is arranged on the rear cross beam.

10. A vehicle, characterized in that: A rear subframe assembly as claimed in claim 9 is provided.

Images