CN210971274U - Auxiliary frame assembly and vehicle - Google Patents

Abstract

The utility model relates to a sub vehicle frame assembly and vehicle, sub vehicle frame assembly includes left longeron (10), right longeron (20) and single crossbeam (30), left side longeron (10) include left longeron body and the left mounting structure who is used for installing vehicle spare part, left side longeron body and left mounting structure integrated into one piece, right side longeron (20) include right longeron body and the right mounting structure who is used for installing vehicle spare part, right side longeron body and right mounting structure integrated into one piece, single crossbeam (30) include the crossbeam body and are used for installing the middle mounting structure of vehicle spare part, crossbeam body and middle mounting structure integrated into one piece, the left end of crossbeam body welds in left longeron body, the right-hand member of crossbeam body welds in right side longeron body. Through above-mentioned technical scheme, the size of self can be guaranteed to this sub vehicle frame assembly, does benefit to the assembly of whole car.

Description

Auxiliary frame assembly and vehicle

Technical Field

The disclosure relates to the technical field of vehicle equipment, in particular to an auxiliary frame assembly and a vehicle.

Background

In the vehicle component, the subframe assembly can be regarded as a framework of the front and rear axles, and is a component of the front and rear axles. The auxiliary frame has the functions of isolating vibration and noise and improving the comfort of the vehicle. In a particular configuration of the subframe assembly, it may include a subframe that may include a left longitudinal beam, a right longitudinal beam, and a cross beam connected between the left longitudinal beam and the right longitudinal beam, and a plurality of mounting brackets, e.g., suspension mounting brackets, swing arm mounting brackets, etc., mounted to the subframe. In the related art, for the sub frame with the single crossbeam connected in the middle of left longeron and right longeron, the left longeron, right longeron and the crossbeam of this sub frame all form through the welding of upper and lower plate, because the welding seam is longer, and the heat altered shape of the upper and lower board of each roof beam when the welding is great, consequently, can influence the whole size of sub frame and the position degree of each support mounting point on the sub frame, be unfavorable for whole car assembly.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a sub vehicle frame assembly, this sub vehicle frame assembly can guarantee the size of self, does benefit to the assembly of whole car.

In order to realize above-mentioned purpose, this disclosure provides a sub vehicle frame assembly, sub vehicle frame assembly includes left longeron, right longeron and single crossbeam, left side longeron includes left longeron body and the left mounting structure who is used for installing vehicle spare part, left side longeron body and left mounting structure integrated into one piece, right side longeron includes right longeron body and the right mounting structure who is used for installing vehicle spare part, right side longeron body and right mounting structure integrated into one piece, single crossbeam includes the crossbeam body and is used for installing vehicle spare part's middle mounting structure, crossbeam body and middle mounting structure integrated into one piece, the left end of crossbeam body welds in left longeron body, the right-hand member of crossbeam body welds in right side longeron body.

Optionally, the subframe assembly includes two swing arm mounting brackets for mounting a swing arm, the left mounting structure includes a second opening formed on the left side member body and gradually increasing in size outwards, the right mounting structure includes the second opening formed on the right side member body, the two swing arm mounting brackets can respectively partially extend into the second opening, an outer wall surface of each swing arm mounting bracket abuts against an inner edge of the second opening, and the two swing arm mounting brackets are respectively fixedly connected with the outer wall surface of the left side member body and the outer wall surface of the right side member body.

Optionally, the left longitudinal beam body and the right longitudinal beam body are both bent inwards, the second openings are formed in the bent positions of the left longitudinal beam body and the right longitudinal beam body, flanges lapped on the outer wall surface of the left longitudinal beam body are respectively formed on the front side and the rear side of one of the two swing arm mounting brackets, and flanges lapped on the outer wall surface of the right longitudinal beam body are respectively formed on the front side and the rear side of the other of the two swing arm mounting brackets.

Optionally, the upper surface and the lower surface of one of the two swing arm mounting brackets are respectively attached to the inner wall surface of the left longitudinal beam body, the upper surface and the lower surface of the other of the two swing arm mounting brackets are respectively attached to the inner wall surface of the right longitudinal beam body, and first reinforcing ribs are respectively formed at the attaching positions of the inner wall surface of the left longitudinal beam body and the swing arm mounting brackets and the attaching positions of the inner wall surface of the right longitudinal beam body and the swing arm mounting brackets.

Optionally, the two swing arm mounting brackets are a left swing arm mounting bracket and a right swing arm mounting bracket respectively, the left swing arm mounting bracket and the right swing arm mounting bracket are symmetrically arranged in the longitudinal direction, and the respective upper surfaces of the left swing arm mounting bracket and the right swing arm mounting bracket are respectively provided with an anti-misloading hole corresponding to the position.

Optionally, the auxiliary frame assembly includes a suspension mounting bracket for mounting an engine suspension, the intermediate mounting structure includes a mounting table for mounting the suspension mounting bracket, the mounting table includes a first mounting table protruding outward or inward from the upper surface of the cross beam body, and the suspension mounting bracket is fixed to the first mounting table.

Optionally, the first mounting platform is recessed from the upper surface of the beam body to have a mounting bottom surface for mounting a suspension mounting bracket, the bottom of the suspension mounting bracket having a first mounting plate for securing to the mounting bottom surface and a second mounting plate for securing to the upper surface of the beam body.

Optionally, the suspension installing support structure is U type frame and has the first opening towards vehicle the place ahead, first mount table be formed with the suspension that first open position corresponds dodge the hole and be injectd there is the step face, the step face structure does the installation bottom surface, the quantity of first mounting panel is two and fixes respectively on the step face of the left and right sides.

Optionally, the number of the suspension mounting brackets is two, the middle mounting structure further includes a second mounting platform protruding outward or recessed inward from the upper surface of the beam body, the first mounting platform and the second mounting platform are arranged at intervals in the transverse direction, and the two suspension mounting brackets are fixed to the first mounting platform and the second mounting platform respectively.

Optionally, the auxiliary frame assembly further comprises a left stabilizer bar mounting bracket and a right stabilizer bar mounting bracket for mounting stabilizer bars, the left stabilizer bar mounting bracket is connected to the cross beam body and the left longitudinal beam body at the connection position of the rear side of the cross beam body and the left longitudinal beam body respectively, and the right stabilizer bar mounting bracket is connected to the cross beam body and the right longitudinal beam body at the connection position of the rear side of the cross beam body and the right longitudinal beam body respectively.

Optionally, the auxiliary frame assembly further comprises a left reinforcing support and a right reinforcing support, the left reinforcing support is connected to the cross beam body and the left longitudinal beam body at the joint of the cross beam body and the front side of the left longitudinal beam body respectively, and the right reinforcing support is connected to the cross beam body and the right longitudinal beam body at the joint of the cross beam body and the front side of the right longitudinal beam body respectively.

According to a second aspect of the present disclosure, there is provided a vehicle configured with a subframe assembly as described above.

Through the technical scheme, in the auxiliary frame assembly provided by the disclosure, the left longitudinal beam body and the left mounting structure are integrally formed, so that the size of the left longitudinal beam body can be ensured, and the position precision of each mounting point for mounting vehicle parts on the left mounting structure is improved; the right longitudinal beam body and the right mounting structure are integrally formed, so that the size of the right longitudinal beam body can be guaranteed, the position accuracy of each mounting point for mounting the vehicle parts on the right mounting structure is improved, the cross beam body and the middle mounting structure are integrally formed, the size of the cross beam body can be guaranteed, and the position accuracy of each mounting point for mounting the vehicle parts on the middle mounting structure is improved. Like this, can guarantee sub vehicle frame assembly self's size, guarantee the position degree that is used for installing each mounting point of vehicle spare part to can do benefit to the assembly of vehicle spare part and sub vehicle frame assembly, the left end of crossbeam body welds in left longeron body simultaneously, and the right-hand member of crossbeam body welds in right longeron body, makes things convenient for being connected of crossbeam body and left longeron and right longeron, further does benefit to the assembly of whole car.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

FIG. 1 is a schematic structural view of a subframe assembly provided according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural view of a single cross member of a subframe assembly provided according to an embodiment of the present disclosure;

FIG. 3 is a schematic view of another angle of a single cross member of the subframe assembly according to an embodiment of the present disclosure;

FIG. 4 is a schematic illustration of the assembly of the left side rail and swing arm mounting bracket in a subframe assembly according to an embodiment of the present disclosure;

FIG. 5 is a schematic structural view of a left side rail of a subframe assembly provided according to an embodiment of the present disclosure;

fig. 6 is a schematic structural diagram of a vehicle body connecting sleeve in the subframe assembly provided according to the embodiment of the disclosure.

Description of the reference numerals

10-left longitudinal beam, 100-second opening, 101-first reinforcing rib, 20-right longitudinal beam, 30-single transverse beam, 31-first mounting plate, 311-suspension avoiding hole, 312-step surface, 32-second mounting plate, 321-suspension mounting hole, 33-second reinforcing rib, 34-left port, 35-right port, 4-suspension mounting bracket, 41-first mounting plate, 42-second mounting plate, 43-first opening, 5-swing arm mounting bracket, 51-flanging, 52-mistake-proofing hole, 61-left stabilizer bar mounting bracket, 611-first lap plate, 612-second lap plate, 62-right stabilizer bar mounting bracket, 621-third lap plate, 622-fourth lap plate, 71-left reinforcing bracket, 72-right reinforcing support, 81-vehicle body mounting beam, 82-vehicle body connecting sleeve, 821-stepped hole, 91-left steering gear mounting support and 92-right steering gear mounting support.

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, terms of orientation such as "upper, lower, left, right, front, and rear" are generally used based on the definition of a vehicle, and specifically, when the front is the front, the rear is the rear, and faces forward, the left-hand side is left, the right-hand side is right, the underbody side is down, and the roof side is up. In the present disclosure, "inside and outside" is also defined based on the vehicle, and specifically, the direction from the outside environment toward the subframe assembly or the vehicle is the inward direction, and vice versa. Furthermore, the ordinal words "first, second", etc. used in this disclosure are to distinguish one element from another, without order or importance. In the following description, reference is made to the accompanying drawings in which like numerals in different drawings represent like elements.

In accordance with an embodiment of the present disclosure, a subframe assembly is provided, one example of which is illustrated in fig. 1-6. Referring to fig. 1, the sub-frame assembly includes a left longitudinal beam 10, a right longitudinal beam 20 and a single cross beam 30, wherein the left longitudinal beam 10 includes a left longitudinal beam body and a left mounting structure for mounting vehicle parts, the left longitudinal beam body and the left mounting structure are integrally formed, the right longitudinal beam 20 includes a right longitudinal beam body and a right mounting structure for mounting vehicle parts, the right longitudinal beam body and the right mounting structure are integrally formed, the single cross beam 30 includes a cross beam body and an intermediate mounting structure for mounting vehicle parts, the cross beam body and the intermediate mounting structure are integrally formed, the left end of the cross beam body is welded to the left longitudinal beam body, and the right end of the cross beam body is welded to the right longitudinal beam body.

Through the technical scheme, in the auxiliary frame assembly provided by the disclosure, the left longitudinal beam body and the left mounting structure are integrally formed, so that the size of the left longitudinal beam body can be ensured, and the position precision of each mounting point for mounting vehicle parts on the left mounting structure is improved; the right longitudinal beam body and the right mounting structure are integrally formed, so that the size of the right longitudinal beam body can be guaranteed, the position accuracy of each mounting point for mounting the vehicle parts on the right mounting structure is improved, the cross beam body and the middle mounting structure are integrally formed, the size of the cross beam body can be guaranteed, and the position accuracy of each mounting point for mounting the vehicle parts on the middle mounting structure is improved. Like this, can guarantee sub vehicle frame assembly self size, guarantee the position degree that is used for installing each mounting point of vehicle spare part to can do benefit to the assembly of vehicle spare part and sub vehicle frame assembly, the left end of crossbeam body welds in left longeron body simultaneously, and the right-hand member of crossbeam body welds in right longeron body, makes things convenient for the crossbeam body to be connected with left longeron 10 and right longeron 20, further does benefit to the assembly of whole car. In addition, by avoiding the use of upper and lower plate welding to construct the left and right side members 10, 20 and the single cross member 30 in the subframe assembly, the subframe assembly of the present disclosure can greatly reduce the use of stamping dies and welding processes and tools, reducing the production cost of the subframe assembly.

It should be noted that the term "vehicle component" in the present disclosure refers to various components for mounting to the subframe assembly, such as engine mount, swing arm, stabilizer bar, steering gear, and the like. In addition, the vehicle components and parts can be mounted to the left longitudinal beam or the right longitudinal beam or the single cross beam through the mounting bracket in the subframe assembly, which is not limited by the disclosure.

In accordance with an embodiment of the present disclosure, referring to fig. 1 to 3, the subframe assembly of the present disclosure may include a suspension mounting bracket 4 for mounting an engine suspension, and the above-mentioned intermediate mounting structure includes a mounting table for mounting the suspension mounting bracket 4, the mounting table including a first mounting table 31 protruding outward or inward from an upper surface of the cross member body, the suspension mounting bracket 4 being fixed to the first mounting table 31. In this way, the convex or concave first mounting platform 31 can improve the structural strength of the single beam 30 while enabling the mounting of the suspension mounting bracket 4. Here, the present disclosure does not limit a specific connection structure of the suspension mounting bracket 4 and the first mounting stage 31, and the present disclosure will be described in detail in the following embodiments.

According to some embodiments, referring to fig. 1-3, the first mounting platform 31 is recessed from the upper surface of the beam body to have a mounting floor for mounting the suspension mounting bracket 4, the bottom of the suspension mounting bracket 4 having a first mounting plate 41 for securing on the mounting floor and a second mounting plate 42 for securing on the upper surface of the beam body. In this way, the first mounting plate 41 is fixed to the mounting bottom surface, the second mounting plate 42 is fixed to the upper surface of the cross member body, and the first mounting plate 41 and the second mounting plate 42 are arranged at a position offset from each other in the height direction of the vehicle, whereby the stability of connection between the suspension mounting bracket 4 and the cross member body can be further improved.

Alternatively, referring to fig. 1 to 3, the above-described suspension mounting bracket 4 may be configured as a U-shaped frame and have a first opening 43 facing the front of the vehicle, the first mounting block 31 is formed with a suspension escape hole 311 corresponding to the position of the first opening 43 and is defined with a stepped surface 312, the stepped surface 312 is configured as the above-described mounting bottom surface, and the first mounting plates 41 are two in number and are fixed to the stepped surfaces 312 on the left and right sides, respectively. That is, the suspension mounting bracket 4 can further improve the stability of being connected with the beam body through the three-point fixation mode, and the first opening 43 corresponds with the position of the suspension avoidance hole 311, so that the suspension of the engine can be conveniently mounted on the suspension mounting bracket 4, for example, the lower part of the suspension of the engine can partially extend into the suspension avoidance hole 311 through the first opening 43. Of course, the first mounting table 31 of the present disclosure may also be formed with other suspension avoidance structures for avoiding engine suspension, which is not limited by the present disclosure.

According to some embodiments, referring to fig. 1 to 3, the number of the suspension mounting brackets 4 may be two, the intermediate mounting structure further includes a second mounting stage 32 protruding or recessed from the upper surface of the cross beam body, the first mounting stage 31 and the second mounting stage 32 are provided at a spacing in the lateral direction, and the two suspension mounting brackets 4 are fixed to the first mounting stage 31 and the second mounting stage 32, respectively. In this way, the first mounting table 31 and the second mounting table 32 can be used for mounting the suspension mounting brackets 4, respectively, and the structural strength of the cross beam body is improved. Here, the second mounting stage 32 of the present disclosure may serve as a mounting structure for the suspension mounting bracket 4 as a backup, and the present disclosure herein does not limit the specific structure of the suspension mounting bracket 4.

Alternatively, referring to fig. 1 to 3, a second mounting platform 32 may protrude upward from the upper surface of the beam body, the second mounting platform 32 having a suspension mounting hole 321 opened therein, and a fastener capable of fixing the suspension mounting bracket to the second mounting platform 32 through the suspension mounting hole 321.

Alternatively, as shown in fig. 1 to 3, the rear sides of the first and second mounting stages 31 and 32 are further formed with second reinforcing ribs 33, so as to secure the structural strength of the beam body around the first and second mounting stages 31 and 32 and prevent the first and second mounting stages 31 and 32 from being deformed. Here, the second reinforcing bead 33 may be convex or concave from the upper surface of the cross beam body, which is not limited by the present disclosure.

According to a specific embodiment of the present disclosure, referring to fig. 1, 4 and 5, the subframe assembly includes two swing arm mounting brackets 5 for mounting the swing arm, the left mounting structure may include a second opening 100 formed on the left side member body and gradually increasing in size outward, the right mounting structure may include a second opening 100 formed on the right side member body, the two swing arm mounting brackets 5 may partially extend into the second openings 100, respectively, and outer wall surfaces of the swing arm mounting brackets 5 abut against inner edges of the second openings 100, and the two swing arm mounting brackets 5 are fixedly connected to the outer wall surfaces of the left side member body and the right side member body, respectively. Like this, two swing arm installing supports 5 partially stretch into second opening 100 respectively, and two swing arm installing supports 5 respectively with the outer wall of left longeron body and the outer wall fixed connection of right longeron body, can guarantee the stability of two swing arm installing supports 5 and left longeron body and right longeron body coupling, avoid two swing arm installing supports 5 direct attach to the wall of left longeron body and right longeron body and lead to the fracture of junction. Here, the present disclosure will describe in detail the structure of the swing arm mounting bracket 5 in the following embodiments.

According to some embodiments, referring to fig. 1, 4 and 5, the left and right side member bodies may be both bent inward, the second openings 100 are formed at the bent portions of the left and right side member bodies, the front and rear sides of one of the two swing arm mounting brackets 5 are respectively formed with flanges 51 overlapping the outer wall surface of the left side member body, and the front and rear sides of the other of the two swing arm mounting brackets 5 are respectively formed with flanges 51 overlapping the outer wall surface of the right side member body. Like this, can further improve two swing arm installing supports 5 and left longeron body and right longeron body coupling's stability through setting up turn-ups 51, the equal inward bending of left longeron body and right longeron body simultaneously can be convenient for the formation of second opening 100. Here, taking the swing arm mounting bracket 5 attached to the left side member body as an example, flanges 51 may be formed on both front and rear wall surfaces of the swing arm mounting bracket 5, respectively, and the flanges 51 may be welded to the outer wall surface of the left side member body.

Alternatively, referring to fig. 4 and 5, the upper and lower surfaces of one of the two swing arm mounting brackets 5 are respectively attached to the inner wall surface of the left side member body, the upper and lower surfaces of the other of the two swing arm mounting brackets 5 are respectively attached to the inner wall surface of the right side member body, the attachment position of the inner wall surface of the left side member body to the swing arm mounting bracket 5 and the attachment position of the inner wall surface of the right side member body to the swing arm mounting bracket 5 are respectively formed with a first reinforcing rib 101, where, taking the swing arm mounting bracket 5 mounted to the left side member body as an example, the upper and lower surfaces of the swing arm mounting bracket 5 can guide itself to partially extend into the second opening 100 and attach to the inner wall surface of the left side member body, ensuring that no shaking occurs during mounting, and the attachment position of the inner wall surface of the left side member body to the swing arm mounting bracket 5 is formed with the first, ensure that the joint position does not crack. In a similar way, the structural strength of the attaching position of the swing arm mounting bracket 5 and the right longitudinal beam body can be improved by the first reinforcing rib 101.

Alternatively, as shown in fig. 4 and 5, the first reinforcing beads 101 may be plural in number and arranged at intervals in the longitudinal direction, which is not limited by the present disclosure.

According to some embodiments, referring to fig. 1 and 4, the two swing arm mounting brackets 5 are a left swing arm mounting bracket and a right swing arm mounting bracket, respectively, which are symmetrically disposed in the longitudinal direction, and the upper surfaces of the left swing arm mounting bracket and the right swing arm mounting bracket are formed with error-proof mounting holes 52 corresponding in position, respectively. Like this, be convenient for store respectively of left swing arm installing support and right swing arm installing support, simultaneously when left swing arm installing support and right swing arm installing support and left longeron body and right longeron body assembly, can not install left swing arm installing support on the right longeron body. Namely, left swing arm installing support and right swing arm installing support can audio-visually be distinguished, reduce the assemble duration, avoid operating personnel to distinguish left swing arm installing support and right swing arm installing support through trial and error.

According to an embodiment, taking the left swing arm mounting bracket as an example, referring to fig. 1 and 4, the left swing arm mounting bracket may include two mounting plates spaced from each other up and down, the two mounting plates being respectively provided with left swing arm mounting holes corresponding in position, and the fastener may be capable of fixing the left swing arm to the left swing arm mounting bracket through the left swing arm mounting holes. Of course, the manner in which the right swing arm is fixed to the right swing arm mounting bracket may be the same as the manner in which the left swing arm is fixed to the left swing arm mounting bracket, and the details of the disclosure are not repeated herein.

According to a specific embodiment of the present disclosure, referring to fig. 1, the subframe assembly may further include a left stabilizer bar mounting bracket 61 and a right stabilizer bar mounting bracket 62 for mounting a stabilizer bar, the left stabilizer bar mounting bracket 61 is connected to the cross beam body and the left side member body at a connection of the cross beam body and the rear side of the left side member body, respectively, and the right stabilizer bar mounting bracket 62 is connected to the cross beam body and the right side member body at a connection of the cross beam body and the rear side of the right side member body, respectively. Like this, when realizing left stabilizer bar installing support 61 and the installation of right stabilizer bar installing support 62, can improve the stability of crossbeam body and left longeron body rear side junction and the stability of crossbeam body and right longeron body rear side junction, improve the holistic rigidity of sub vehicle frame assembly simultaneously, reduce the torsion trend of sub vehicle frame assembly in the use, improve sub vehicle frame assembly's life.

According to some embodiments, referring to fig. 1, the left stabilizer bar mounting bracket 61 may have a first overlapping structure overlapping with the cross beam body and a second overlapping structure overlapping with the left side member body, the first overlapping structure including first overlapping plates 611 spaced apart in the up-down direction, the two first overlapping plates 611 overlapping with the cross beam body in the up-down direction, respectively, the second overlapping structure including second overlapping plates 612 spaced apart in the up-down direction, the two second overlapping plates 612 overlapping with the left side member body in the up-down direction, respectively, thus, the stability of the connection of the left stabilizer bar mounting bracket 61 with the cross beam body and the left side member body can be improved, meanwhile, the position of the left stabilizer bar mounting bracket 61 can be adjusted by adjusting the position of the first bridging plate 611 and the position of the second bridging plate 612 during installation, thereby facilitating the adjustment of the position of the left stabilizer bar mounting bracket 61. Similarly, right stabilizer bar installing support 62 can have with the lapped third overlap joint structure of crossbeam body and with the lapped fourth overlap joint structure of right longeron body, third overlap joint structure includes the third overlap joint board 621 that sets up at upper and lower direction interval, two third overlap joint boards 621 overlap joint in the crossbeam body in upper and lower direction respectively, fourth overlap joint structure includes the fourth overlap joint board 622 that sets up at upper and lower direction interval, two second overlap joint boards 622 overlap joint in the right longeron body in upper and lower direction respectively, like this, also can adjust the position of right stabilizer bar installing support 62.

According to a specific embodiment of the present disclosure, referring to fig. 1, the subframe assembly may further include a left reinforcing bracket 71 and a right reinforcing bracket 72, the left reinforcing bracket 71 is connected to the cross beam body and the left longitudinal beam body at a connection position of the cross beam body and the front side of the left longitudinal beam body, and the right reinforcing bracket 72 is connected to the cross beam body and the right longitudinal beam body at a connection position of the cross beam body and the front side of the right longitudinal beam body. Thus, the left reinforcing bracket 71 can improve the connecting strength of the front side connecting part of the beam body and the left longitudinal beam body, and avoid the cracking deformation of the connecting part, and the right reinforcing bracket 72 can improve the connecting strength of the front side connecting part of the beam body and the right longitudinal beam body, and avoid the cracking deformation of the connecting part.

According to the specific embodiment of the present disclosure, referring to fig. 1 and 3, the cross beam body includes a left port 34 for connecting the left longitudinal beam body and a right port 35 for connecting the right longitudinal beam body, the left port 34 is configured as a flaring structure with a gradually increasing aperture toward the left side, and/or the right port 35 is configured as a flaring structure with a gradually increasing aperture toward the right side, so that the contact area between the cross beam body and the left longitudinal beam body, and/or between the cross beam body and the right longitudinal beam body can be increased, and the connection strength between the cross beam body and the left longitudinal beam body, and/or between the cross beam body and the right longitudinal beam body can be improved.

According to an embodiment of the present disclosure, referring to fig. 1, the subframe assembly further includes a body mounting beam 81, the body mounting beam 81 may be configured as an integral molding member so as to ensure a size thereof, the body mounting beams 81 are two in number and fixed to the left side member body and the right side member body, respectively, and the two body mounting beams 81 can be extended from the left side member body and the right side member body, respectively, to connect the vehicle body. Thus, the accuracy of connection between the vehicle body mounting beam 81 and the vehicle body can be ensured by ensuring the size thereof.

Alternatively, referring to fig. 1, two vehicle body installation beams 81 may be fixed to the front sides of the left and right side frame bodies, respectively, the ends of the vehicle body installation beams 81 are provided with vehicle body connection sleeves 82 for connection with the vehicle body, and the vehicle body connection sleeves 82 are further fixed to the rear sides of the left and right side frame bodies to be connected with the vehicle body.

Alternatively, referring to fig. 1, the body coupling sleeve 82 includes a stepped hole 821 connected to the body positioning pin, and the diameter of the stepped hole 821 may be sequentially reduced from top to bottom. Here, the depth of stepped hole 821 and the height of the step in stepped hole 821 can be adjusted to adapt to different positioning pins, so that the universality of the subframe assembly is improved, and the platform of the subframe is facilitated.

Alternatively, referring to fig. 1, the sub-frame assembly further includes left and right steering gear mounting brackets 91 and 92 fixed to left and right sides of the cross member body, the left steering gear of the vehicle can be fixed to the left steering gear mounting bracket 91, and the right steering gear can be fixed to the right steering gear mounting bracket 92.

According to a second aspect of the present disclosure, there is provided a vehicle configured with a subframe assembly as described above, and having all the benefits of the subframe assembly, the disclosure of which is not repeated herein.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.

It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (12)

1. The utility model provides a sub vehicle frame assembly, a serial communication port, sub vehicle frame assembly includes left longeron (10), right longeron (20) and single crossbeam (30), left side longeron (10) include left longeron body and the left mounting structure who is used for installing vehicle spare part, left side longeron body and left mounting structure integrated into one piece, right side longeron (20) include right longeron body and the right mounting structure who is used for installing vehicle spare part, right side longeron body and right mounting structure integrated into one piece, single crossbeam (30) include the crossbeam body and be used for installing the middle mounting structure of vehicle spare part, crossbeam body and middle mounting structure integrated into one piece, the left end of crossbeam body welds in left longeron body, the right-hand member of crossbeam body welds in right side longeron body.

2. The sub-frame assembly of claim 1, wherein the sub-frame assembly comprises two swing arm mounting brackets (5) for mounting a swing arm, the left mounting structure comprises a second opening (100) formed on the left side member body and gradually increasing in size outwards, the right mounting structure comprises the second opening (100) formed on the right side member body, the two swing arm mounting brackets (5) can respectively partially extend into the second opening (100), the outer wall surfaces of the swing arm mounting brackets (5) are abutted against the inner edge of the second opening (100), and the two swing arm mounting brackets (5) are respectively fixedly connected with the outer wall surfaces of the left side member body and the right side member body.

3. The sub-frame assembly of claim 2, wherein the left side member body and the right side member body are bent inward, the second opening (100) is formed at the bent portion of the left side member body and the right side member body, the front and rear sides of one of the two swing arm mounting brackets (5) are respectively formed with a flange (51) overlapping the outer wall surface of the left side member body, and the front and rear sides of the other of the two swing arm mounting brackets (5) are respectively formed with a flange (51) overlapping the outer wall surface of the right side member body.

4. The sub frame assembly according to claim 3, wherein upper and lower surfaces of one of the two swing arm mounting brackets (5) are respectively attached to an inner wall surface of the left side member body, upper and lower surfaces of the other of the two swing arm mounting brackets (5) are respectively attached to an inner wall surface of the right side member body, and first reinforcing ribs (101) are respectively formed at positions where the inner wall surface of the left side member body is attached to the swing arm mounting brackets (5) and at positions where the inner wall surface of the right side member body is attached to the swing arm mounting brackets (5).

5. The sub-frame assembly according to any one of claims 2 to 4, wherein the two swing arm mounting brackets (5) are a left swing arm mounting bracket and a right swing arm mounting bracket, respectively, and the left swing arm mounting bracket and the right swing arm mounting bracket are symmetrically arranged in the longitudinal direction, and the upper surfaces of the left swing arm mounting bracket and the right swing arm mounting bracket are respectively formed with error-proof mounting holes (52) corresponding in position.

6. The sub-frame assembly according to claim 1, wherein the sub-frame assembly includes a suspension mounting bracket (4) for mounting an engine suspension, and the intermediate mounting structure includes a mounting table for mounting the suspension mounting bracket (4), the mounting table including a first mounting table (31) protruding outward or inward from an upper surface of the cross-member body, the suspension mounting bracket (4) being fixed to the first mounting table (31).

7. The sub frame assembly according to claim 6, wherein said first mounting platform (31) is recessed from an upper surface of said cross member body to have a mounting bottom surface for mounting a suspension mounting bracket (4), and a bottom portion of said suspension mounting bracket (4) has a first mounting plate (41) for fixing on said mounting bottom surface and a second mounting plate (42) for fixing on an upper surface of said cross member body.

8. The sub-frame assembly according to claim 7, wherein the suspension mounting bracket (4) is configured as a U-shaped frame and has a first opening (43) facing the front of the vehicle, the first mounting table (31) is formed with a suspension escape hole (311) corresponding to the position of the first opening (43) and defines a step surface (312), the step surface (312) is configured as the mounting bottom surface, and the first mounting plates (41) are two in number and fixed to the step surfaces (312) on the left and right sides, respectively.

9. The sub-frame assembly according to claim 6, wherein the number of the suspension mounting brackets (4) is two, the intermediate mounting structure further includes a second mounting platform (32) protruding outward or inward from the upper surface of the cross member body, the first mounting platform (31) and the second mounting platform (32) are provided at a spacing in the lateral direction, and the two suspension mounting brackets (4) are fixed to the first mounting platform (31) and the second mounting platform (32), respectively.

10. The subframe assembly of claim 1 further comprising a left stabilizer bar mounting bracket (61) and a right stabilizer bar mounting bracket (62) for mounting a stabilizer bar, wherein the left stabilizer bar mounting bracket (61) is connected to the cross member body and the left side member body at a connection of the cross member body and a rear side of the left side member body, respectively, and the right stabilizer bar mounting bracket (62) is connected to the cross member body and the right side member body at a connection of the cross member body and a rear side of the right side member body, respectively.

11. The subframe assembly of claim 1 further comprising a left reinforcement bracket (71) and a right reinforcement bracket (72), said left reinforcement bracket (71) being connected to said cross member body and said left side member body, respectively, at a junction of said cross member body and said left side member body front side, said right reinforcement bracket (72) being connected to said cross member body and said right side member body, respectively, at a junction of said cross member body and said right side member body front side.

12. A vehicle comprising the subframe assembly of any one of claims 1-11.

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