CN218489744U

CN218489744U - Subframe and vehicle

Info

Publication number: CN218489744U
Application number: CN202222330152.0U
Authority: CN
Inventors: 吴凯; 孙晓伟
Original assignee: Contemporary Amperex Technology Co Ltd; Contemporary Amperex Intelligence Technology Shanghai Ltd
Current assignee: Contemporary Amperex Technology Co Ltd; Contemporary Amperex Intelligence Technology Shanghai Ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-02-17
Anticipated expiration: 2032-08-31

Abstract

The application discloses sub vehicle frame and vehicle. The auxiliary frame comprises a body part and a mounting structure, wherein the body part is used for being connected with a vehicle body longitudinal beam; the mounting structure is used for connecting the power assembly, and at least part of the mounting structure is integrated with the body part. The rigidity of sub vehicle frame can be improved in the embodiment of the application.

Description

Subframe and vehicle

Technical Field

The application relates to the field of vehicles, in particular to an auxiliary frame and a vehicle.

Background

The subframe is used to mount a powertrain of a vehicle to a body of the vehicle. How to improve the rigidity of the auxiliary frame is an important research direction in the field of vehicles.

SUMMERY OF THE UTILITY MODEL

The application provides a sub vehicle frame and vehicle, its rigidity that can improve sub vehicle frame.

In a first aspect, the present application provides a subframe including a body portion for connection with a body rail, and a mounting structure; the mounting structure is used for connecting the power assembly, and at least part of the mounting structure is integrated with the body part.

In the technical scheme, at least part of the mounting structure and the body part are integrally arranged, and the integral arrangement mode is adopted to replace partial welding or complete welding, so that the rigidity of the part of the integrally arranged mounting structure and the body part at the joint is obviously improved, and further the rigidity of the auxiliary frame is improved. In addition, after the rigidity of the auxiliary frame is improved, the mode is correspondingly improved, and therefore the problem of noise caused by resonance of the auxiliary frame due to low mode is solved.

In some embodiments, the body portion comprises a cross beam assembly comprising a first cross beam and a second cross beam disposed opposite one another along a first direction, and a longitudinal beam assembly comprising a first longitudinal beam and a second longitudinal beam disposed opposite one another along a second direction, the first longitudinal beam and the second longitudinal beam each being connected to the first cross beam and the second cross beam, the first direction and the second direction intersecting; at least one of the cross beam assembly and the longitudinal beam assembly is provided with a mounting structure.

In the technical scheme, the body part is arranged to comprise the first cross beam, the second cross beam, the first longitudinal beam and the second longitudinal beam, namely, the frame structure formed by enclosing four beam structures, and the form is high in applicability and suitable for most vehicle types.

In some embodiments, the mounting structure comprises two first mounting elements and at least one second mounting element, the two first mounting elements being oppositely disposed, wherein the one second mounting element is disposed on one side of a line connecting the two first mounting elements.

In above-mentioned technical scheme, two first installed parts set up relatively, and one of them second installed part sets up in one side of two first installed parts lines, and then two first installed parts are located triangle-shaped's three summit with the three mounted position that the second installed part that sets up in one side formed, and this kind of mounted position is comparatively stable, can form good support to heavier power assembly.

In some embodiments, the mounting structure includes a connecting portion integrally provided with the body portion, the connecting portion including a first connecting sub-portion and a second connecting sub-portion, the first mounting member having the first connecting sub-portion and being connected to the body portion by the first connecting sub-portion, and the second mounting member having the second connecting sub-portion and being connected to the body portion by the second connecting sub-portion.

First installed part and second installed part all pass through connecting portion and this somatic part integrated into one piece, have increased substantially the rigidity and the mode that improve the junction, have improved the noise problem that resonance arouses.

In some embodiments, the body portion comprises a cross beam assembly and a longitudinal beam assembly, the cross beam assembly comprising a first cross beam and a second cross beam oppositely disposed along a first direction, the longitudinal beam assembly comprising a first longitudinal beam and a second longitudinal beam oppositely disposed along a second direction, the first longitudinal beam and the second longitudinal beam being connected between the first cross beam and the second cross beam, respectively, the first direction and the second direction intersecting; two first installed parts set up with first longeron, second longeron one-to-one, and the quantity of second installed part is one, and sets up in the second crossbeam.

In above-mentioned technical scheme, set up two first installed parts one-to-one in first longeron and second longeron, the second installed part sets up in the second crossbeam, has all set up mounting structure promptly on beam assembly and longeron subassembly, and beam assembly and longeron subassembly all receive the effect of power, and the atress is comparatively even reasonable, and even atress can improve the life of this somatic part.

In some embodiments, the first mounting member includes a first mounting portion for threaded connection with the powertrain, the first mounting portion being disposed at the first coupling sub-portion, the second mounting member includes a second mounting portion for threaded connection with the powertrain, the second mounting portion being disposed at the second coupling sub-portion.

In above-mentioned technical scheme, first installed part and second installed part are fixed with power assembly adoption threaded connection's mode, and this kind of mounting means is convenient for install and dismantle and firm reliable.

In some embodiments, the first mounting portion is a mounting hole; the first installation part further comprises a plug, the plug is arranged on the first connector part and used for being in plug-in fit with the power assembly, and the plug is provided with an installation hole penetrating through the plug.

In above-mentioned technical scheme, set up first installation department into the mounting hole, adopt mounting hole and power assembly threaded connection, the preparation of the first installed part of being convenient for. Through setting up the plug, utilize plug and power assembly grafting cooperation, make first installed part and power assembly be connected more firmly and play the positioning action to follow-up threaded connection, make things convenient for follow-up operation.

In some embodiments, the second mounting portion is a connection hole, the second connecting portion includes two support sub-walls disposed oppositely, and one end of each support sub-wall facing away from the main body portion is provided with the connection hole.

In the technical scheme, the power assembly is installed, the power assembly partially extends into the space between the two supporting sub-walls, the screw rod penetrates through the two connecting holes and the power assembly and then is connected with the two supporting sub-walls through the nut, and the power assembly, the screw rod and the power assembly are convenient to manufacture and install.

In some embodiments, the body portion is provided with a plurality of third mounting portions for connection with a body rail, the third mounting portions being provided to at least one of the cross member assembly and the rail assembly.

In the above-described aspect, the body portion is provided with a plurality of third attachment portions, and the connection with the vehicle body side member is achieved by the plurality of third attachment portions.

In a second aspect, the present application provides a vehicle comprising the subframe, body rail and powertrain of any of the embodiments of the first aspect, the subframe being secured to the body rail, the powertrain comprising a suspension structure connected to a mounting structure.

Drawings

Features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of a subframe according to an embodiment of the present application;

FIG. 3 is a schematic view of the sub-frame of FIG. 2 at another angle;

FIG. 4 is an enlarged view at A in FIG. 3;

FIG. 5 is an assembly view of a subframe and powertrain according to an embodiment of the present application;

FIG. 6 is an assembled view of the subframe and powertrain of FIG. 5 at another angle.

The reference numerals for the specific embodiments are as follows:

1. a vehicle;

2. a battery;

3. a controller;

4. a power assembly; 41. a suspension structure;

5. an auxiliary frame;

51. a body portion;

511. a beam assembly; 512. a first cross member; 513. a second cross member; 514. a stringer assembly; 515. a first longitudinal beam; 516. a second longitudinal beam; 517. a third mounting portion; 518. a connecting member;

52. a mounting structure;

521. a connecting portion; 522. a first connector portion; 523. a second connector portion; 524. a first mounting member; 525. a second mount; 526. a first mounting portion; 527. a second mounting portion; 528. a plug; 5281. a sleeve; 5282. a convex portion; 5283. a rib; 529. a buttress wall;

x, a first direction; y, second direction.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application in the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different elements and not for describing a particular sequential or chronological order.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the specification. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

In the description of the present application, it should be noted that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "attached" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

The term "and/or" in this application is only one kind of association relationship describing the associated object, and means that there may be three kinds of relationships, for example, a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" in this application generally indicates that the preceding and following associated objects are in an "or" relationship.

In the embodiments of the present application, like reference numerals denote like components, and in the different embodiments, detailed descriptions of the like components are omitted for the sake of brevity. It should be understood that the thickness, length, width and other dimensions of the various components in the embodiments of the present application and the overall thickness, length, width and other dimensions of the integrated device shown in the drawings are only exemplary and should not constitute any limitation to the present application.

The appearances of "a plurality" in this application are intended to mean more than two (including two).

The auxiliary frame is used for mounting a power assembly on a vehicle body, and the inventor finds that the structure of the auxiliary frame for mounting the power assembly is generally connected with a main body part of the auxiliary frame in a welding mode, and the welding mode causes the rigidity of a welding position to be weak and the mode of the auxiliary frame to be low.

In view of this, the present application provides a solution to improve the stiffness and the mode shape of the subframe by integrating at least part of the mounting structure for connecting the powertrain to the main body portion of the subframe.

Fig. 1 is a schematic structural diagram of a vehicle according to some embodiments of the present application.

As shown in fig. 1, a battery 2 is provided inside a vehicle 1, and the battery 2 may be provided at the bottom or the head or the tail of the vehicle 1. The battery 2 may be used for power supply of the vehicle 1, and for example, the battery 2 may serve as an operation power source of the vehicle 1.

The vehicle 1 may also include a controller 3 and a powertrain 4, the controller 3 being configured to control the battery 2 to power the powertrain 4, for example, for start-up, navigation, and operational power requirements of the vehicle 1.

In some embodiments of the present application, the battery 2 may be used not only as an operating power source of the vehicle 1, but also as a driving power source of the vehicle 1, instead of or in part of fuel or natural gas, to provide driving power for the vehicle 1.

In the battery 2, one or more battery cells may be provided. If the number of the battery monomers is multiple, the multiple battery monomers can be connected in series or in parallel or in series-parallel, and the series-parallel refers to that the multiple battery monomers are connected in series or in parallel.

FIG. 2 is a schematic structural diagram of a subframe according to an embodiment of the present disclosure; fig. 3 is a schematic view of the sub-frame shown in fig. 2 at another angle.

As shown in fig. 2, the subframe 5 according to the embodiment of the present application includes a body portion 51 and a mounting structure 52, the body portion 51 is used for connecting with a vehicle body side member, the mounting structure 52 is used for connecting with the powertrain 4, and at least a part of the mounting structure 52 is provided integrally with the body portion 51.

In the present embodiment, at least part of the mounting structure 52 is provided integrally with the body portion 51, i.e. at least part of the mounting structure 52 is integrally formed with the body portion 51.

The present embodiment does not limit the structural form of the body portion 51. Illustratively, the body 51 may be a closed ring structure composed of four beams, or may be an open structure with an opening surrounded by three beams.

The number of assembly stations formed by the mounting structure 52 and the powertrain 4 is not limited in this embodiment. Illustratively, the mounting structure 52 and the powertrain 4 form two assembly stations.

In the embodiment of the present application, at least a portion of the mounting structure 52 and the body 51 are integrally disposed, and a manner of integrally disposing is adopted to replace partial welding or completely replace welding, so that the rigidity of the connection between the portion of the mounting structure 52 and the body 51 that are integrally disposed is significantly improved, and further, the rigidity of the subframe 5 is improved. In addition, after the rigidity of the subframe 5 is improved, the mode is correspondingly improved, so that the noise problem caused by resonance caused by low mode of the subframe 5 is solved.

In some embodiments, the body portion 51 includes a cross beam assembly 511 and a longitudinal beam assembly 514, the cross beam assembly 511 includes a first cross beam 512 and a second cross beam 513 oppositely disposed along a first direction X, the longitudinal beam assembly 514 includes a first longitudinal beam 515 and a second longitudinal beam 516 oppositely disposed along a second direction Y, the first longitudinal beam 515 and the second longitudinal beam 516 are both connected to the first cross beam 512 and the second cross beam 513, and the first direction X and the second direction Y intersect; at least one of the cross beam assemblies 511 and the side rail assemblies 514 is provided with a mounting structure 52.

In the embodiment of the present application, whether the first beam 512 and the second beam 513 are parallel or not is not limited, and the first beam 512 and the second beam 513 may be parallel or both have an irregular beam structure; similarly, the embodiment of the present application does not limit whether the first longitudinal beam 515 and the second longitudinal beam 516 are parallel, and they may be parallel or both may be an irregularly shaped beam structure.

Optionally, the first direction X and the second direction Y are perpendicular.

The body portion 51 is provided to include a first cross member 512, a second cross member 513, a first longitudinal member 515, and a second longitudinal member 516, that is, a frame structure surrounded by four beam structures, which is highly adaptable and suitable for most vehicle models.

In some embodiments, the mounting structure 52 includes two first mounting elements 524 and at least one second mounting element 525, the two first mounting elements 524 being disposed opposite each other, with the one second mounting element 525 being disposed on a side of a line connecting the two first mounting elements 524.

In the embodiment of the present application, the two first mounting members 524 are disposed opposite to each other, and may be disposed opposite to each other on the cross beam assembly 511 or on the longitudinal beam assembly 514.

In the present embodiment, the mounting structure 52 includes at least one second mounting element 525, and when the mounting structure 52 includes one second mounting element 525, the second mounting element 525 is located on one side of a line connecting two first mounting elements 524; when the mounting structure 52 includes a plurality of second mounting members 525, one of the second mounting members 525 is located on one side of a connecting line of the two first mounting members 524, and the mounting positions of the other second mounting members 525 are not limited and may be disposed on the same side where the two first mounting members 524 are connected or disposed on the other side where the two first mounting members 524 are connected.

In the embodiment of the present application, the number of the second mounting members 525 is determined according to the structural form of the powertrain 4.

Two first installed parts 524 set up relatively, and one of them second installed part 525 sets up in one side of two first installed parts 524 lines, and then two first installed parts 524 and set up on three mounted position that second installed part 525 on one side formed are located the three summit of triangle-shaped, and this kind of mounted position is comparatively stable, can form good support to heavier power assembly 4.

In some embodiments, the mounting structure 52 includes a connecting portion 521 integrally provided with the body portion 51, and at least one of the first and second mounting

elements

524, 525 is provided with the connecting portion 521.

In the embodiment of the present application, the connecting portion 521 is a portion of the mounting structure 52 and the body portion 51, and may be disposed on the first mounting element 524, the second mounting element 525, or both.

In some embodiments, the connecting part 521 includes a first connecting part 522 and a second connecting part 523, the first mounting element 524 has the first connecting part 522 and is connected to the body part 51 through the first connecting part 522, and the second mounting element 525 has the second connecting part 523 and is connected to the body part 51 through the second connecting part 523.

In the present embodiment, the first connector portion 522 is provided integrally with the main body portion 51, and the second connector portion 523 is provided integrally with the main body portion 51.

The specific shape and size of the first connector portion 522 and the second connector portion 523 are not limited in the embodiments of the present application, but are adapted to the height of the corresponding connection portion of the powertrain 4.

The first mounting member 524 and the second mounting member 525 are integrally formed with the body 51 through the connecting portion 521, so that the rigidity and mode of the connecting portion are greatly improved, and the problem of noise caused by resonance is solved.

In some embodiments, the body portion 51 includes a cross beam assembly 511 and a longitudinal beam assembly 514, the cross beam assembly 511 includes a first cross beam 512 and a second cross beam 513 oppositely disposed along a first direction X, the longitudinal beam assembly 514 includes a first longitudinal beam 515 and a second longitudinal beam 516 oppositely disposed along a second direction Y, the first longitudinal beam 515 and the second longitudinal beam 516 are respectively connected between the first cross beam 512 and the second cross beam 513, and the first direction X intersects the second direction Y. The two first mounting members 524 are disposed corresponding to the first longitudinal beams 515 and the second longitudinal beams 516 one by one, and the number of the second mounting members 525 is one, and the two first mounting members are disposed on the second cross beam 513.

In the embodiment of the present application, the positions where the two first mounting members 524 are disposed on the first longitudinal beam 515 and the second longitudinal beam 516, and the positions where the second mounting members 525 are disposed on the second cross beam 513 are not limited. Illustratively, two first mounting members 524 are oppositely arranged at one ends of the first longitudinal beam 515 and the second longitudinal beam 516 close to the first cross beam 512 along the second direction Y, and the second mounting member 525 is arranged in the middle of the second cross beam 513.

With two first installed parts 524 one-to-one set up in first longeron 515 and second longeron 516, second installed part 525 sets up in second crossbeam 513, has all set up mounting structure 52 on crossbeam subassembly 511 and longeron subassembly 514 promptly, and crossbeam subassembly 511 and longeron subassembly 514 all receive the effect of power, and the atress is comparatively even reasonable, and the life of this body portion 51 can be improved to even atress.

In other alternative embodiments, two first mounting members 524 are disposed opposite to the first cross member 512, and one second mounting member 525 is disposed on the second cross member 513.

In other alternative embodiments, two first mounting members 524 are disposed in one-to-one correspondence with the first longitudinal beams 515 and the second longitudinal beams 516, the number of the second mounting members 525 is two, and two second mounting members 525 are disposed in one-to-one correspondence with the first cross beams 512 and the second cross beams 513.

Fig. 4 is an enlarged view of a point a in fig. 3.

As shown in fig. 4, in some embodiments, the first mounting member 524 includes a first mounting portion 526 for screwing with the power assembly 4, the first mounting portion 526 is disposed on the first connector portion 522, the second mounting member 525 includes a second mounting portion 527 for screwing with the power assembly 4, and the second mounting portion 527 is disposed on the second connector portion 523.

The embodiment of the present application does not limit the specific structural form of the first mounting portion 526 and the second mounting portion 527, and only needs to be connected with the power assembly 4 by threads. For example, the first mounting portion 526 may be a fixed screw or a hole. When the first mounting portion 526 is a fixed screw, the screw passes through a hole of the powertrain 4 and is tightened by a nut; when the first mounting portion 526 is a hole, the power unit 4 may be provided with another corresponding hole, and the two holes are fastened by a bolt and a nut. The second mounting portion 527 is also the same, and the description of the present application is omitted.

In the embodiment of the present invention, the connection manner between the first mounting portion 526 and the first connector portion 522 is not limited, and the two may be integrally formed, or welded or screwed. Similarly, in the embodiment of the present application, the connection manner between the second mounting portion 527 and the second connector portion 523 is not limited, and the two may be integrally formed, or may be welded or screwed.

The first mounting part 524 and the second mounting part 525 are fixed to the power assembly 4 in a threaded manner, so that the mounting is convenient to mount and dismount and is firm and reliable.

FIG. 5 is an assembly view of a subframe and powertrain according to an embodiment of the present application; FIG. 6 is an assembled view of the subframe and powertrain of FIG. 5 at another angle.

As shown in fig. 5 and 6, in some embodiments, the first mounting portion 526 is a mounting hole; the first mounting member 524 further includes a plug 528, the plug 528 being disposed on the first connector portion 522 and configured to mate with the powertrain 4, the plug 528 being configured with a mounting hole therethrough.

The connection manner of the plug 528 and the first connector portion 522 is not limited in the embodiments of the present application, and for example, the two may be integrally formed, or may be connected by other manners such as welding.

The specific structural form of the plug 528 is not limited in the embodiments of the present application, and for example, the plug 528 includes a sleeve 5281 and a protrusion 5282 connected to the inner wall of the sleeve 5281, the outer circumferential surface of the sleeve 5281 is connected to the first connector portion 522, a part of the protrusion 5282 is located in the sleeve 5281, the protrusion 5282 protrudes out of at least one end of the sleeve 5281, and a mounting hole is formed in the protrusion 5282.

Alternatively, the first connector portion 522 is provided with a through hole, and the sleeve 5281 is attached to the wall of the through hole.

Alternatively, the mounting hole is located in a central region of the protrusion 5282.

Optionally, the part of the protrusion 5282 protruding from the sleeve comprises a plurality of ribs 5283 located on the outer periphery, and the ribs 5283 extend along the protruding direction of the protrusion 5282. The ribs 5283 are provided to make the plug 528 more secure when plugged into the powertrain 4.

Optionally, the plug 528 further includes a soft gasket connected between the first connector portion 522 and the sleeve 5281 for isolating vibration. The soft gasket can be made of rubber. Further, the plug 528 further comprises a steel ring connected to the wall of the through hole, a soft washer connected to the inner surface of the steel ring, and a sleeve 5281 connected to the inner surface of the soft washer.

The first mounting portion 526 is arranged to be a mounting hole, and the mounting hole is in threaded connection with the power assembly 4, so that the first mounting portion 524 can be manufactured conveniently. Through setting up plug 528, utilize plug 528 and power assembly 4 grafting cooperation, what make first installed part 524 be connected with power assembly 4 is more firm and play the positioning action to follow-up threaded connection, makes things convenient for follow-up operation.

In some embodiments, the number of second mounting members 525 is one, and the plug 528 extends toward the side of the second mounting member 525.

In this embodiment, the plug 528 extends towards the side of the second mounting component 525, which means that the plug 528 extends towards the side of the second mounting component 525, and does not extend towards the second mounting component 525, because of the height, the first mounting component 524 and the second mounting component 525 may not be located at the same height, and the plug 528 is inserted into the power assembly 4, and the extension angle of the plug 528 needs to be consistent according to the extension direction of the structure of the power assembly 4 and the plug 528 are matched. The mating structure may be a receptacle.

The powertrain 4 is mounted between the first mounting element 524 and the second mounting element 525, such that the plug 528 extends along the side of the second mounting element 525 to facilitate connection of the powertrain 4.

In some embodiments, the second mounting portion 527 is a connecting hole, the second connecting sub-portion 523 includes two supporting sub-walls 529 disposed at intervals, and one end of the supporting sub-wall 529, which faces away from the body portion 51, is provided with the connecting hole.

The supporting sub-wall 529 of the embodiment of the present application is provided integrally with the body portion 51.

Alternatively, the number of the second mounting members 525 is one, the supporting sub-wall 529 is provided to the second cross member 513, and the supporting sub-wall 529 is provided integrally with the second cross member 513.

Optionally, the two supporting sub-walls 529 are symmetrically disposed. Further, the two supporting sub-walls 529 are symmetrically disposed along the second direction Y.

The power assembly 4 is installed, the part of the power assembly 4 extends into the space between the two supporting sub-walls 529, the screw rod penetrates through the two connecting holes and the power assembly 4 and then is connected with the two supporting sub-walls 529 through the nut, and the power assembly 4 and the screw rod are convenient to manufacture and install.

In some embodiments, the body portion 51 is provided with a plurality of third mounting portions 517 for connection with the body rails, the third mounting portions 517 being provided to at least one of the cross member assemblies 511 and the rail assemblies 514.

The specific structural form of the third mounting portion 517 is not limited in the embodiment of the present application, and for example, the third mounting portion 517 includes a screw, and the body portion 51 is in threaded connection with the vehicle body side member. Illustratively, the third mounting portion 517 may also be a hole for a threaded connection.

The main body 51 is provided with a plurality of third mounting portions 517, and the connection with the vehicle side member is achieved by the plurality of third mounting portions 517.

In some embodiments, the mounting structure 52 is provided with a third mounting portion 517.

The third mounting portion 517 is not limited to be disposed at a specific position of the mounting structure 52 in this embodiment, and the third mounting portion 517 may be disposed on the first mounting member 524, may also be disposed on the second mounting member 525, or both the first mounting member 524 and the second mounting member 525 may be disposed.

The number of the third mounting portions 517 is also not limited in the embodiment of the application, for example, the number of the third mounting portions 517 is two, and the two third mounting portions 517 are correspondingly disposed on the two first mounting portions 524.

By providing the third mounting portion 517 also on the mounting structure 52, the mounting structure 52 that receives the action of the powertrain 4 can be directly connected to the body of the vehicle 1, the action of the powertrain 4 on the body 51 can be reduced, and the service life of the body 51 can be prolonged.

In some embodiments, the length of the first beam 512 is greater than the length of the second beam 513.

The length of the first cross member 512 is set to be greater than the length of the second cross member 513 so as to fit the body of the vehicle 1.

In some embodiments, the subframe 5 further includes a plurality of connecting members 518, and the connecting members 518 are disposed on the body 51 and are used for connecting the control arms of the vehicle 1.

The connection manner of the connection member 518 and the body portion 51 is not limited in the embodiments of the present application, and the connection member 518 and the body portion 51 may be screwed or riveted.

The arrangement positions of the connecting members 518 are not limited in the embodiment of the present application, for example, the number of the connecting members 518 is at least four, one of the connecting members 518 is connected between the first cross member 512 and the first longitudinal member 515, one of the connecting members 518 is connected between the first cross member 512 and the second longitudinal member 516, and the other two connecting members 518 are arranged on the first longitudinal member 515 and the second longitudinal member 516 in a one-to-one correspondence manner.

The embodiment of the present application is not limited to the specific structure of the connecting member 518, and it may be a standard member connected to the control arm.

The connecting member 518 is provided to meet the requirement of connecting the sub-frame 5 and the control arm, thereby realizing the connection with the knuckle of the vehicle 1.

The embodiment of the present application further provides a vehicle 1, including foretell sub vehicle frame 5, body longitudinal member and powertrain 4, sub vehicle frame 5 is fixed in the body longitudinal member, and powertrain 4 includes suspended structure 41, and suspended structure 41 connects in mounting structure 52. Referring to fig. 2 to 6, the subframe 5 according to the embodiment of the present disclosure includes a body portion 51 and a mounting structure 52, the body portion 51 is used for connecting with a vehicle body longitudinal beam, the mounting structure 52 is used for connecting with a power assembly 4, the mounting structure 52 has a connecting portion 521, and the connecting portion 521 is integrally disposed with the body portion 51. The body portion 51 comprises a cross beam assembly 511 and a longitudinal beam assembly 514, wherein the cross beam assembly 511 comprises a first cross beam 512 and a second cross beam 513 which are oppositely arranged along a first direction X, the longitudinal beam assembly 514 comprises a first longitudinal beam 515 and a second longitudinal beam 516 which are oppositely arranged along a second direction Y, the first longitudinal beam 515 and the second longitudinal beam 516 are connected to the first cross beam 512 and the second cross beam 513, and the first direction X and the second direction Y intersect. The two first mounting members 524 are disposed corresponding to the first longitudinal beams 515 and the second longitudinal beams 516 one by one, and the number of the second mounting members 525 is one, and the two first mounting members are disposed on the second cross beam 513.

The first mounting member 524 includes a first mounting portion 526 for screwing with the power unit 4, the first mounting portion 526 is provided in the first coupling sub-portion 522, the second mounting member 525 includes a second mounting portion 527 for screwing with the power unit 4, and the second mounting portion 527 is provided in the second coupling sub-portion 523.

While the present application has been described with reference to preferred embodiments, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the present application, and particularly, features described in connection with the embodiments may be combined in any manner as long as there is no structural conflict. The present application is not intended to be limited to the particular embodiments disclosed herein but is to cover all embodiments that may fall within the scope of the appended claims.

Claims

1. A subframe, comprising:

the body part is used for being connected with the vehicle body longitudinal beam;

a mounting structure for connection to a powertrain, at least a portion of the mounting structure being integral with the body portion.

2. The subframe of claim 1 wherein said body portion includes a cross member assembly and a side member assembly, said cross member assembly including a first cross member and a second cross member disposed opposite one another in a first direction, said side member assembly including a first side member and a second side member disposed opposite one another in a second direction, said first side member and said second side member each being connected to said first cross member and said second cross member, said first direction and said second direction intersecting;

at least one of the cross beam assembly and the longitudinal beam assembly is provided with the mounting structure.

3. The subframe of claim 1 wherein said mounting structure includes two first mounting members and at least one second mounting member, said two first mounting members being disposed opposite one another, wherein one of said second mounting members is disposed on one side of a line connecting said two first mounting members.

4. The subframe of claim 3 wherein said mounting structure includes a connecting portion integrally formed with said body portion;

the connecting part includes a first connecting sub-part and a second connecting sub-part, the first mounting part has the first connecting sub-part and is connected to the body part through the first connecting sub-part, and the second mounting part has the second connecting sub-part and is connected to the body part through the second connecting sub-part.

5. The subframe of claim 3 wherein said body portion includes a cross member assembly and a side member assembly, said cross member assembly including a first cross member and a second cross member disposed opposite one another in a first direction, said side member assembly including a first side member and a second side member disposed opposite one another in a second direction, said first side member and said second side member being connected between said first cross member and said second cross member, respectively, said first direction and said second direction intersecting;

the two first installation parts are arranged in one-to-one correspondence with the first longitudinal beams and the second longitudinal beams, and the number of the second installation parts is one and is arranged on the second cross beam.

6. The subframe of claim 4 wherein said first mounting member includes a first mounting portion for threaded engagement with said powertrain, said first mounting portion being disposed in said first connector portion, said second mounting member including a second mounting portion for threaded engagement with said powertrain, said second mounting portion being disposed in said second connector portion.

7. The subframe of claim 6 wherein said first mounting portion is a mounting hole;

the first mounting part further comprises a plug, the plug is arranged on the first connector part and used for being matched with the power assembly in an inserting mode, and the plug is provided with a mounting hole penetrating through the plug.

8. The subframe of claim 6 wherein said second mounting portion is an attachment aperture, and said second connector portion includes two oppositely disposed strut walls, an end of said strut wall facing away from said body portion being provided with said attachment aperture.

9. The subframe of claim 2 wherein said body portion is provided with a plurality of third mounting portions for connection to said body side rails, said third mounting portions being provided on at least one of said cross member assembly and said side rail assembly.

10. A vehicle, characterized by comprising:

a body rail;

the subframe of any one of claims 1-9, said subframe being secured to said body rail;

a power assembly including a suspension structure coupled to the mounting structure.