Auxiliary frame assembly and vehicle

Abstract

The auxiliary frame assembly comprises a longitudinal beam and an auxiliary frame installation plate, a front installation portion is arranged at the front end of the longitudinal beam, a rear installation portion is arranged at the rear end of the longitudinal beam, one end of the auxiliary frame installation plate is connected to the middle of the longitudinal beam, the auxiliary frame installation plate extends in the direction away from the longitudinal beam, and the auxiliary frame installation plate is connected with the longitudinal beam. A middle mounting part is arranged at the other end of the auxiliary frame mounting plate, and the front mounting part, the middle mounting part and the rear mounting part are all used for being connected with a frame. The front mounting part and the rear mounting part are arranged on the longitudinal beam, so that the auxiliary frame assembly can be connected with the frame, the auxiliary frame mounting plate is connected between the longitudinal beam and the frame, and the middle mounting part is arranged on the auxiliary frame mounting plate, so that the auxiliary frame assembly can be connected with the frame, the middle space of the auxiliary frame assembly can be increased, and the service life of the auxiliary frame assembly is prolonged. And the mounting position between the frame and the auxiliary frame assembly is not changed, so that the spatial arrangement requirement of the rear axle electric driving system can be met.

Description

Technical Field

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

[0002] At present, the subframe and the frame are assembled by three bolts. The middle mounting point and the rear mounting point are located on the lower side of the frame. After the bolts pass through the subframe, they cooperate with the nut threads built into the frame. A locating pin is set on the rear side of the middle mounting point, and the locating pin passes through the installation locating hole on the longitudinal beam, so as to facilitate the assembly of the subframe and the frame.

[0003] In the related art, the crossbeam in the subframe is positioned forward, and the subframe mounting plate at the middle mounting point and the rear mounting point has a thick cross-section, which causes the subframe mounting plate to occupy more space in the middle of the subframe, thereby failing to meet the space layout requirements of the rear axle electric drive. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, one purpose of the utility model is to provide a subframe assembly, which can increase the space in the middle part, thereby meeting the space layout requirements of the rear axle electric drive system, and further improving the performance of the vehicle.

[0005] The utility model further provides a vehicle.

[0006] According to the utility model, the sub-frame assembly includes: a longitudinal beam and a sub-frame mounting plate, the longitudinal beams are arranged opposite to each other in the transverse direction, a front mounting portion is arranged at the front end of the longitudinal beam, and a rear mounting portion is arranged at the rear end of the longitudinal beam, one end of the sub-frame mounting plate is arranged between the front mounting portion and the rear mounting portion, the sub-frame mounting plate extends in a direction away from the longitudinal beam, and a middle mounting portion is arranged at the other end of the sub-frame mounting plate, and the front mounting portion, the middle mounting portion and the rear mounting portion are all used to connect to the frame.

[0007] According to the sub-frame assembly of the utility model, by arranging the front mounting portion and the rear mounting portion on the longitudinal beam, the sub-frame assembly and the frame can be connected, the sub-frame mounting plate is connected between the longitudinal beam and the frame, and the middle mounting portion is arranged on the sub-frame mounting plate, so that the sub-frame assembly and the frame can be connected. Such an arrangement can increase the middle space of the sub-frame assembly, and can also keep the installation position between the frame and the sub-frame assembly unchanged, thereby meeting the space layout requirements of the rear axle electric drive system.

[0008] In some examples of the present invention, the subframe assembly further includes: a subframe mounting bracket, the subframe mounting bracket is connected to the front mounting portion, the subframe mounting bracket is arranged on the longitudinal beam, and the front mounting portion is connected to the frame through the subframe mounting bracket.

[0009] In some examples of the present invention, the subframe mounting bracket includes: a bottom plate and a top plate, the bottom plate is connected to the top surface of the longitudinal beam, the bottom plate is used to connect to the bottom surface of the frame longitudinal beam of the frame, the top plate is connected to the bottom plate, the top plate is inclined relative to the bottom plate, and the top plate is used to connect to the side of the frame longitudinal beam of the frame to form an inner cavity between the top plate and the frame longitudinal beam.

[0010] In some examples of the present invention, the sub-frame mounting bracket further includes: a threaded sleeve, the threaded sleeve is arranged between the top plate and the bottom plate, a fastener is passed through the front mounting portion, and the fastener is threadedly matched with the threaded sleeve.

[0011] In some examples of the present invention, a first mounting hole is provided on the bottom surface of the longitudinal beam, a second mounting hole is provided on the top surface of the longitudinal beam, a third mounting hole is provided on the bottom plate, the first mounting hole, the second mounting hole and the third mounting hole are arranged relatively to each other, and a limiting hole is provided on the top plate; a limiting platform is provided on the outer periphery of the threaded sleeve, the limiting platform is limitedly matched with the bottom plate, a limiting head is provided on the tail of the threaded sleeve, the limiting head is limitedly matched with the limiting hole, the fastener is passed through the first mounting hole, the head of the threaded sleeve is passed through the second mounting hole and the third mounting hole, and the fastener and the threaded sleeve (50) are threadedly matched.

[0012] In some examples of the present invention, a side of the bottom plate away from the threaded sleeve is provided with an upwardly bent flange, and the flange is used to be connected to a frame longitudinal beam of the frame.

[0013] In some examples of the present invention, the subframe assembly further includes: a control arm bracket, the control arm bracket is connected to the longitudinal beam, and one end of the subframe mounting plate is respectively connected to the longitudinal beam and the control arm bracket.

[0014] In some examples of the present invention, the subframe mounting plate includes: an upper mounting plate and a lower mounting plate, one end of the upper mounting plate is connected to the control arm bracket, the lower mounting plate is connected to the bottom of the upper mounting plate, one end of the lower mounting plate is respectively connected to the longitudinal beam and the control arm bracket, and the other end of the upper mounting plate and the other end of the lower mounting plate are provided with the middle mounting portion.

[0015] In some examples of the present invention, the longitudinal beam includes: a main beam section and a curved beam section, the front mounting portion and the sub-frame mounting plate are arranged on the main beam section, the curved beam section is connected to the rear end of the main beam section, and in the direction from front to rear, the curved beam section extends obliquely in a direction away from the center of the sub-frame assembly, and the rear mounting portion is arranged on the curved beam section.

[0016] The vehicle according to the utility model comprises: the subframe assembly mentioned above.

[0017] Compared with the prior art, the vehicle provided by the utility model adopts a method of arranging a front mounting portion and a rear mounting portion on the longitudinal beam, and arranging a middle mounting portion on the sub-frame mounting plate, so that the sub-frame assembly and the frame can be connected, and the sub-frame mounting plate is connected between the longitudinal beam and the frame. This arrangement can increase the middle space of the sub-frame assembly, and can also keep the installation position between the frame and the sub-frame assembly unchanged, thereby meeting the space layout requirements of the rear axle electric drive system.

[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 It is a structural schematic diagram of the subframe assembly being assembled on the frame;

[0021] Figure 2 It is a structural schematic diagram of the subframe assembly;

[0022] Figure 3 It is a partial cross-sectional view of the subframe assembly assembled on the frame;

[0023] Figure 4 This is an enlarged view of A.

[0024] Reference numerals:

[0025] 100. Subframe assembly;

[0026] 10. longitudinal beam; 11. front mounting portion; 12. rear mounting portion; 13. first mounting hole; 14. second mounting hole; 15. main beam section; 16. curved beam section; 20. cross beam; 30. subframe mounting plate; 31. middle mounting portion; 32. upper mounting plate; 33. lower mounting plate; 40. subframe mounting bracket; 41. bottom plate; 42. top plate; 43. third mounting hole; 44. limit hole; 45. flange; 50. threaded sleeve; 51. limit table; 52. limit head; 60. control arm bracket;

[0027] 200. Frame. DETAILED DESCRIPTION

[0028] The embodiments of the present utility model are described in detail below. The embodiments described with reference to the accompanying drawings are exemplary. The embodiments of the present utility model are described in detail below.

[0029] Reference below Figure 1-Figure 4 A subframe assembly 100 according to an embodiment of the present invention is described. The subframe assembly 100 is applied in a vehicle.

[0030] like Figure 1 and Figure 2 As shown, according to the utility model, the sub-frame assembly 100 includes: a longitudinal beam 10 and a sub-frame mounting plate 30, the longitudinal beam 10 is arranged opposite to each other in the transverse direction, a front mounting portion 11 is arranged at the front end of the longitudinal beam 10, and a rear mounting portion 12 is arranged at the rear end of the longitudinal beam 10, one end of the sub-frame mounting plate 30 is arranged between the front mounting portion 11 and the rear mounting portion 12, the sub-frame mounting plate 30 extends in a direction away from the longitudinal beam 10, and a middle mounting portion 31 is arranged at the other end of the sub-frame mounting plate 30, and the front mounting portion 11, the middle mounting portion 31 and the rear mounting portion 12 are all used to connect with the frame 200.

[0031] It can be understood that the longitudinal beams 10 and the sub-frame mounting plate 30 constitute the main structure of the sub-frame assembly 100, the longitudinal beams 10 are arranged at intervals on the left and right, the cross beam 20 is located between the longitudinal beams 10 on the left and right sides, and the left end of the cross beam 20 is connected to the left longitudinal beam 10, and the right end of the cross beam 20 is connected to the right longitudinal beam 10, so that the cross beam 20 and the longitudinal beam 10 can form a frame structure, thereby improving the overall structural strength of the sub-frame assembly 100 and facilitating the installation of other components on the sub-frame assembly 100.

[0032] Among them, the cross beam 20 is located at the rear of the longitudinal beam 10. This arrangement can save the space on the front side of the cross beam 20, so as to increase the space in the middle of the sub-frame assembly 100, and thus facilitate the installation of other components on the sub-frame assembly 100. The space in the middle of the sub-frame assembly 100 forms an avoidance space, and the avoidance space can avoid the drive structure, so as to facilitate the installation of the drive structure in the sub-frame assembly 100, and can also meet the space layout requirements of the rear axle electric drive system, thereby improving the performance of the vehicle.

[0033] In addition, a front mounting portion 11 is provided at the front end of the longitudinal beam 10, and a rear mounting portion 12 is provided at the rear end of the longitudinal beam 10. This arrangement allows bolts to connect the longitudinal beam 10 and the frame 200 through the front mounting portion 11 and the rear mounting portion 12, so that the sub-frame assembly 100 and the frame 200 can be connected, and the overall structural strength of the sub-frame assembly 100 and the frame 200 can be improved. The middle portion of the longitudinal beam 10 is connected to one end of the sub-frame mounting plate 30, and the sub-frame mounting plate 30 extends away from the longitudinal beam 10, and the other end of the sub-frame mounting plate 30 is provided with a middle mounting portion 31. This arrangement allows bolts to pass through the middle mounting portion 31 to connect the sub-frame mounting plate 30 and the frame 200, so that the sub-frame mounting plate 30 can be connected between the longitudinal beam 10 and the frame 200, thereby facilitating the connection of the sub-frame assembly 100 and the frame 200.

[0034] Therefore, by arranging the front mounting portion 11 and the rear mounting portion 12 on the longitudinal beam 10, the sub-frame assembly 100 and the frame 200 can be connected, the sub-frame mounting plate 30 is connected between the longitudinal beam 10 and the frame 200, and the middle mounting portion 31 is arranged on the sub-frame mounting plate 30, so that the sub-frame assembly 100 and the frame 200 can be connected. Such an arrangement can increase the middle space of the sub-frame assembly 100, and can also keep the installation position between the frame 200 and the sub-frame assembly 100 unchanged, thereby meeting the space layout requirements of the rear axle electric drive system.

[0035] In addition, if Figure 1-Figure 3 As shown, the sub-frame assembly 100 further includes: a sub-frame mounting bracket 40, the sub-frame mounting bracket 40 is connected to the front mounting portion 11, the sub-frame mounting bracket 40 extends in a direction away from the longitudinal beam 10, and the front mounting portion 11 is connected to the frame 200 through the sub-frame mounting bracket 40. That is, one end of the sub-frame mounting bracket 40 is connected to the front mounting portion 11, and the other end of the sub-frame mounting bracket 40 is connected to the frame 200, so that the longitudinal beam 10 and the frame 200 can be connected, and the sub-frame mounting bracket 40 extends in a direction away from the longitudinal beam 10, so that the sub-frame mounting bracket 40 can be located between the longitudinal beam 10 and the frame 200, thereby facilitating the connection between the sub-frame assembly 100 and the frame 200.

[0036] Among them, Figure 3 As shown, the sub-frame mounting bracket 40 includes: a bottom plate 41 and a top plate 42, the bottom plate 41 is connected to the top surface of the longitudinal beam 10, the bottom plate 41 is used to connect with the bottom surface of the frame longitudinal beam of the frame 200, the top plate 42 is connected to the bottom plate 41, the top plate 42 is inclined relative to the bottom plate 41, and the top plate 42 is used to connect with the side of the frame longitudinal beam of the frame 200, so that an inner cavity can be formed between the top plate 42 and the frame longitudinal beam.

[0037] It can be understood that the bottom plate 41 and the top plate 42 constitute the main structure of the sub-frame mounting bracket 40, the bottom plate 41 is connected to the bottom surface of the longitudinal beam 10, and the bottom plate 41 is connected to the bottom surface of the frame longitudinal beam, so that the bottom plate 41 can connect the longitudinal beam 10 and the frame 200, the top plate 42 is connected to the bottom plate 41, and the top plate 42 is inclined relative to the bottom plate 41, so that the cross-section of the bottom plate 41 and the top plate 42 can form a triangle, thereby improving the structural strength of the sub-frame mounting bracket 40, the top plate 42 is connected to one side of the frame longitudinal beam, thereby facilitating the connection between the longitudinal beam 10 and the frame 200, and an inner cavity is formed between the top plate 42, the bottom plate 41 and the frame longitudinal beam, thereby improving the connection strength between the sub-frame assembly 100 and the frame 200, thereby improving the safety performance of the vehicle.

[0038] In addition, if Figure 3 As shown, the sub-frame mounting bracket 40 further includes: a threaded sleeve 50 , which is disposed between the top plate 42 and the bottom plate 41 , and a fastener is inserted into the front mounting portion 11 , and the fastener is threadably matched with the threaded sleeve 50 .

[0039] That is to say, the threaded sleeve 50 is located between the top plate 42 and the bottom plate 41, and the two ends of the threaded sleeve 50 respectively abut the top plate 42 and the bottom plate 41, so that the threaded sleeve 50 can be located in the inner cavity, and then the threaded sleeve 50 can enhance the stress level of the inner cavity. The fastener is passed through the longitudinal beam 10 and then the threaded sleeve 50 is passed through. This arrangement can make the fastener and the threaded sleeve 50 threadably matched, so that the connection between the longitudinal beam 10 and the frame 200 through the sub-frame mounting bracket 40 can be more tightened, and then the stability between the sub-frame assembly 100 and the frame 200 can be improved.

[0040] In addition, if Figure 3 As shown, a first mounting hole 13 is provided on the bottom surface of the longitudinal beam 10, a second mounting hole 14 is provided on the top surface of the longitudinal beam 10, a third mounting hole 43 is provided on the bottom plate 41, the first mounting hole 13, the second mounting hole 14 and the third mounting hole 43 are arranged relatively, and a limiting hole 44 is provided on the top plate 42; the fastener passes through the first mounting hole 13, a limiting platform 51 is provided on the periphery of the threaded sleeve 50, a limiting head 52 is provided on the tail of the threaded sleeve 50, the limiting head 52 is limitedly matched with the limiting hole 44, the second mounting hole 14 and the third mounting hole 43 are passed through the head of the threaded sleeve 50, the limiting platform 51 is limitedly matched with the bottom plate 41, and the fastener and the threaded sleeve 50 are threadedly matched.

[0041] It can be understood that the bottom surface of the longitudinal beam 10 is provided with a first mounting hole 13, the top surface of the longitudinal beam 10 is provided with a second mounting hole 14, the bottom plate 41 is provided with a third mounting hole 43, the first mounting hole 13, the second mounting hole 14 and the third mounting hole 43 are arranged relatively, and the top plate 42 is provided with a limiting hole 44, so that the limiting hole 44, the first mounting hole 13, the second mounting hole 14 and the third mounting hole 43 are convenient for limiting the fastener and the threaded sleeve 50, thereby facilitating the fastener and the threaded sleeve 50 to threadably match, and the threaded sleeve A limit platform 51 is provided on the periphery of 50, so that the limit platform 51 and the bottom plate 41 can limit the threaded sleeve 50, thereby facilitating the threaded fit between the fastener and the threaded sleeve 50. A limit head 52 is provided at one end of the threaded sleeve 50 close to the top plate 42, and the limit head 52 and the limit hole 44 are limited and matched, so that when the threaded fit of the fastener and the threaded sleeve 50 is subjected to force, the threaded sleeve 50 and the top plate 42 bracket are limited to each other, thereby facilitating the threaded fit between the fastener and the threaded sleeve 50.

[0042] In particular, if Figure 3 As shown, a flange 45 bent upward is provided on one side of the bottom plate 41 away from the longitudinal beam 10, and the flange 45 is used to connect with the frame longitudinal beam of the frame 200. In other words, the flange 45 is provided on one side of the bottom plate 41, and the flange 45 is located on the side away from the longitudinal beam 10, so that the flange 45 can be close to the frame 200, so that the flange 45 is conveniently connected to the frame longitudinal beam, and the connection strength between the sub-frame assembly 100 and the frame 200 can be improved.

[0043] In addition, if Figure 1 As shown, the subframe assembly 100 further includes a control arm bracket 60 , the control arm bracket 60 is connected to the longitudinal beam 10 , and one end of the subframe mounting plate 30 is respectively connected to the longitudinal beam 10 and the control arm bracket 60 .

[0044] It can be understood that the control arm bracket 60 is connected to the longitudinal beam 10, so that the control arm can be connected to the subframe assembly 100 through the control arm bracket 60, and the end of the subframe mounting plate 30 away from the frame 200 is connected to the longitudinal beam 10 and the control arm bracket 60, so that the control arm bracket 60, the longitudinal beam 10 and the subframe mounting plate 30 can be connected, and the overall structural strength of the subframe assembly 100 can also be improved.

[0045] Among them, Figure 2 and Figure 4 As shown, the subframe mounting plate 30 includes: an upper mounting plate 32 and a lower mounting plate 33, one end of the upper mounting plate 32 is connected to the control arm bracket 60, the lower mounting plate 33 is connected below the upper mounting plate 32, one end of the lower mounting plate 33 is respectively connected to the longitudinal beam 10 and the control arm bracket 60, and the other end of the upper mounting plate 32 and the other end of the lower mounting plate 33 are provided with a middle mounting portion 31.

[0046] That is to say, the upper mounting plate 32 and the lower mounting plate 33 constitute the main structure of the sub-frame mounting plate 30, and the upper mounting plate 32 and the lower mounting plate 33 are arranged opposite to each other up and down, and one end of the upper mounting plate 32 is connected to the control arm bracket 60, so that the sub-frame mounting plate 30 and the control arm bracket 60 can be connected, and one end of the lower mounting plate 33 is connected to the longitudinal beam 10 and the control arm bracket 60, so that the control arm bracket 60, the longitudinal beam 10 and the sub-frame mounting plate 30 can be connected, and the other ends of the upper mounting plate 32 and the lower mounting plate 33 are provided with the middle mounting portion 31, and the bolts penetrate the middle mounting portion 31 to connect the sub-frame mounting plate 30 and the frame 200, so as to improve the connection strength between the sub-frame assembly 100 and the frame 200.

[0047] In addition, Figure 1 As shown, the longitudinal beam 10 includes: a main beam section 15 and a bent beam section 16, the front mounting portion 11 and the subframe mounting plate 30 are arranged on the main beam section 15, the bent beam section 16 is connected to the rear end of the main beam section 15, and in the direction from front to rear, the bent beam section 16 extends obliquely away from the center of the subframe assembly 100, and the rear mounting portion 12 is arranged on the bent beam section 16.

[0048] It can be understood that the main beam section 15 and the bent beam section 16 constitute the main structure of the longitudinal beam 10. The bent beam section 16 is arranged at the rear end of the main beam section 15, and the bent beam section 16 is inclined relative to the main beam section 15 away from the center of the sub-frame assembly 100, so that the middle space of the sub-frame assembly 100 can be increased, and it is convenient to install the drive structure in the sub-frame assembly 100. The main beam section 15 is provided with a front mounting portion 11, and the bent beam section 16 is provided with a rear mounting portion 12, so that the main beam section 15 can be connected to the frame 200 through the front mounting portion 11, and the bent beam section 16 can be connected to the frame 200 through the rear mounting portion 12. In addition, the main beam section 15 is connected to the sub-frame mounting plate 30, so that the main beam section 15 can be connected to the frame 200 through the middle mounting portion 31, and the connection between the sub-frame assembly 100 and the frame 200 can be made more firmly. For example, the longitudinal beam 10 adopts a hydraulic pipe process, thereby facilitating the bending and setting of the bent beam section 16 relative to the main beam section 15.

[0049] The vehicle according to the utility model comprises: the sub-frame assembly 100 of the above embodiment. By arranging the front mounting portion 11 and the rear mounting portion 12 on the longitudinal beam 10, the sub-frame assembly 100 and the frame 200 can be connected, the sub-frame mounting plate 30 is connected between the longitudinal beam 10 and the frame 200, and the middle mounting portion 31 is arranged on the sub-frame mounting plate 30, so that the sub-frame assembly 100 and the frame 200 can be connected. Such an arrangement can increase the middle space of the sub-frame assembly 100, and the installation position between the frame 200 and the sub-frame assembly 100 can be maintained, thereby meeting the space layout requirements of the rear axle electric drive system.

[0050] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0051] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 this application can be understood according to specific circumstances.

[0052] 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 expressions of the above terms do not necessarily refer to the same embodiment or example.

[0053] 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 subframe assembly (100), characterized in that: include: A longitudinal beam (10), wherein the longitudinal beams (10) are arranged opposite to each other in the transverse direction, a front mounting portion (11) is arranged at the front end of the longitudinal beam (10), and a rear mounting portion (12) is arranged at the rear end of the longitudinal beam (10); A sub-frame mounting plate (30), one end of the sub-frame mounting plate (30) is arranged between the front mounting portion (11) and the rear mounting portion (12), the sub-frame mounting plate (30) extends in a direction away from the longitudinal beam (10), and the other end of the sub-frame mounting plate (30) is provided with a middle mounting portion (31), and the front mounting portion (11), the middle mounting portion (31) and the rear mounting portion (12) are all used for connecting to a vehicle frame (200).

2. The subframe assembly (100) according to claim 1, characterized in that: Also includes: A sub-frame mounting bracket (40), the sub-frame mounting bracket (40) is connected to the front mounting portion (11), the sub-frame mounting bracket (40) is arranged on the longitudinal beam (10), and the front mounting portion (11) is connected to the frame (200) through the sub-frame mounting bracket (40).

3. The subframe assembly (100) according to claim 2, characterized in that: The subframe mounting bracket (40) comprises: A bottom plate (41), the bottom plate (41) being connected to the top surface of the longitudinal beam (10), the bottom plate (41) being used to be connected to the bottom surface of the longitudinal beam of the frame (200); A top plate (42), the top plate (42) is connected to the bottom plate (41), the top plate (42) is arranged obliquely relative to the bottom plate (41), and the top plate (42) is used to be connected to the side of the frame longitudinal beam of the frame (200) to form an inner cavity between the top plate (42) and the frame longitudinal beam.

4. The subframe assembly (100) according to claim 3, characterized in that: The subframe mounting bracket (40) further comprises: A threaded sleeve (50) is arranged between the top plate (42) and the bottom plate (41); a fastener is inserted into the front mounting portion (11); the fastener is threadably matched with the threaded sleeve (50).

5. The subframe assembly (100) according to claim 4, characterized in that: The bottom surface of the longitudinal beam (10) is provided with a first mounting hole (13), the top surface of the longitudinal beam (10) is provided with a second mounting hole (14), the bottom plate (41) is provided with a third mounting hole (43), the first mounting hole (13), the second mounting hole (14) and the third mounting hole (43) are arranged opposite to each other, and the top plate (42) is provided with a limiting hole (44); A limiting platform (51) is provided on the outer periphery of the threaded sleeve (50), and the limiting platform (51) is limitedly matched with the bottom plate (41); a limiting head (52) is provided at the tail of the threaded sleeve (50), and the limiting head (52) is limitedly matched with the limiting hole (44); the fastener passes through the first mounting hole (13), and the head of the threaded sleeve (50) passes through the second mounting hole (14) and the third mounting hole (43); the fastener and the threaded sleeve (50) are threadedly matched.

6. The subframe assembly (100) according to claim 4, characterized in that: A flange (45) bent upward is provided on one side of the bottom plate (41) away from the threaded sleeve (50), and the flange (45) is used to be connected to a frame longitudinal beam of the frame (200).

7. The subframe assembly (100) according to claim 1, characterized in that: Also includes: A control arm bracket (60) is connected to the longitudinal beam (10), and one end of the subframe mounting plate (30) is respectively connected to the longitudinal beam (10) and the control arm bracket (60).

8. The subframe assembly (100) according to claim 7, characterized in that: The subframe mounting plate (30) comprises: An upper mounting plate (32), one end of the upper mounting plate (32) being connected to the control arm bracket (60); A lower mounting plate (33), the lower mounting plate (33) being connected to the lower side of the upper mounting plate (32), one end of the lower mounting plate (33) being connected to the longitudinal beam (10) and the control arm bracket (60) respectively, and the other end of the upper mounting plate (32) and the other end of the lower mounting plate (33) being provided with the middle mounting portion (31).

9. The subframe assembly (100) according to claim 1, characterized in that: The longitudinal beam (10) comprises: A main beam section (15), the front mounting portion (11) and the sub-frame mounting plate (30) being arranged on the main beam section (15); A curved beam section (16), the curved beam section (16) being connected to the rear end of the main beam section (15), the curved beam section (16) being inclined and extending in a direction away from the center of the sub-frame assembly (100) in the direction from front to rear, and the rear mounting portion (12) being arranged on the curved beam section (16).

10. A vehicle, characterized in that: include: The subframe assembly (100) according to any one of claims 1 to 9.

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