CN223736117U - Sub vehicle frame assembly and vehicle - Google Patents

Abstract

The utility model provides an auxiliary frame assembly and a vehicle, which belong to the technical field of vehicle lower structures, wherein the auxiliary frame assembly comprises an auxiliary frame and a power assembly bracket, the auxiliary frame comprises a first beam body which is oppositely arranged in a first direction, a second beam body which is oppositely arranged in a second direction and a plurality of auxiliary frame bushings for mounting the auxiliary frame on the vehicle body, the power assembly bracket is provided with a first connecting part and a second connecting part, the first connecting part is used for connecting the power assembly and the auxiliary frame together, the second connecting part is arranged corresponding to at least part of the auxiliary frame bushings, and the auxiliary frame and the power assembly bracket are connected on the vehicle body by the same fastening component through the second connecting part and the corresponding auxiliary frame bushings. According to the auxiliary frame assembly, the auxiliary frame and the power assembly bracket are connected to the vehicle body through the same fastening assembly, so that the power assembly bracket and the auxiliary frame share part of the auxiliary frame bushing, the number of parts is reduced, and the production cost is reduced.

Description

Sub vehicle frame assembly and vehicle

Technical Field

The utility model relates to the technical field of vehicle lower structures, in particular to a subframe assembly, and simultaneously relates to a vehicle with the subframe assembly.

Background

Subframe assemblies are an important component in automotive chassis systems, and are primarily used to support the vehicle's powertrain (e.g., drive motor, etc.), suspension components, and to transmit and disperse various forces and vibrations from the road surface and the powertrain.

The auxiliary frame is connected with the vehicle body through an auxiliary frame bushing arranged on the auxiliary frame, the power assembly mounting bracket is used as a bearing main body of the power assembly, and a plurality of suspension bushings used for being connected with the power assembly are arranged on the bearing main body. At present, the suspension bush and the auxiliary frame bush are respectively and independently designed and arranged, so that the types and the number of the bushes on the auxiliary frame assembly are large, and the production cost is high.

Disclosure of utility model

In view of the foregoing, the present utility model is directed to a subframe assembly, which is advantageous for reducing the number of parts and reducing the production cost.

In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:

A subframe assembly, comprising a subframe and a power assembly bracket arranged on the subframe;

the subframe includes a first beam body disposed opposite in a first direction, a second beam body disposed opposite in a second direction, and a plurality of subframe bushings for mounting the subframe to a vehicle body;

The power assembly comprises a power assembly bracket, and is characterized in that a first connecting part and a second connecting part are arranged on the power assembly bracket, the first connecting part is used for connecting the power assembly with the auxiliary frame, the second connecting part is arranged corresponding to at least part of the auxiliary frame bushing, and the second connecting part and the corresponding auxiliary frame bushing are connected with the auxiliary frame and the power assembly bracket on the vehicle body through the same fastening assembly.

Furthermore, the auxiliary frame is formed by integrally casting aluminum alloy, and/or the auxiliary frame bushings are arranged at two ends of each second beam body.

Further, the second beam body comprises a main body section extending along the first direction and inclined sections arranged at two ends of the main body section, a sleeve arranged along the second direction is arranged on the main body section and used for installing a suspension bushing, the suspension bushing is used for being connected with a power assembly, and the auxiliary frame bushing is arranged at the end part of the inclined sections.

Further, the power assembly bracket comprises two opposite sub-brackets, the sleeve is arranged close to one inclined section of the sub-brackets, and the second connecting part of each sub-bracket is correspondingly arranged with the auxiliary frame bushing close to the other inclined section.

Further, the power assembly bracket comprises four sub-brackets arranged at each end part of the second beam body, and the second connecting part of each sub-bracket is correspondingly arranged with the auxiliary frame bushing at the corresponding end of the second beam body.

Further, the branch frame comprises a first part and a second part which are connected, the first part is arranged on the inner side of the auxiliary frame, the second part is arranged below the auxiliary frame, the first connecting part comprises a first connecting hole which is arranged on the first part along the first direction, and/or the second connecting part comprises a shaft hole which corresponds to the auxiliary frame bushing and a second connecting hole which is arranged on the second part.

Further, the first part comprises a vertical plate extending along the first direction and a transverse plate extending along the second direction, the first connecting hole is formed in the transverse plate, and the vertical plate is connected with the second part and is provided with a third connecting part used for being connected with the power assembly.

Further, the second portion comprises a vertical plate extending along the first direction and a transverse plate extending along the second direction, the vertical plate is connected with the first portion, and the second connecting hole is formed in the transverse plate.

Further, the vertical plate is provided with a convex connecting column, the vertical plate is provided with a connecting block protruding downwards, and the connecting column is detachably connected with the connecting block.

Compared with the prior art, the utility model has the following advantages:

According to the auxiliary frame assembly, the power assembly and the auxiliary frame are connected together through the first connecting part on the power assembly bracket, so that the power assembly is conveniently installed on the auxiliary frame, and the auxiliary frame and the power assembly bracket are connected on a vehicle body through the auxiliary frame bushing corresponding to the second connecting part by the same fastening assembly, so that the power assembly bracket and the auxiliary frame share the auxiliary frame bushing and the same fastening assembly of the part, the number of parts is reduced, and the production cost is reduced.

The auxiliary frame is cast integrally by aluminum alloy, so that the auxiliary frame is not only beneficial to processing and forming, has higher structural strength, but also beneficial to light-weight design of an auxiliary frame assembly, and the auxiliary frame can be installed on the frame through the four auxiliary frame bushings by arranging the auxiliary frame bushings at two ends of the second beam body, so that the auxiliary frame has better installation stability. The main part section and the setting of two slope sections on the second roof beam body do benefit to the promotion and bear and transfer effect to external force, through setting up the sleeve pipe on the main part section, do benefit to the installation effect that improves power assembly on the sub vehicle frame with first connecting portion cooperation, set up the sub vehicle frame bush in the tip of slope section, do benefit to the timely dispersion transmission of external force via the slope section that receives in the future.

Furthermore, through setting up two branch framves of relative arrangement, and the sub vehicle frame bush that the second connecting portion of branch frame is close to another slope section corresponds the setting, not only can realize sharing two sub vehicle frame bushes, just can link together branch support, sub vehicle frame and automobile body effectively moreover using same fastening assembly, does benefit to the reduction unnecessary connection structure to do benefit to the installation stability who promotes power assembly. Through setting up four branch brackets at each tip of second roof beam body to make the second connecting portion of branch bracket correspond the setting with sub vehicle frame bush, can share four sub vehicle frame bushes and corresponding fastening components, further do benefit to the quantity that reduces spare part.

In addition, the first part is arranged on the inner side of the auxiliary frame, so that connection of the power assembly and the auxiliary frame support is facilitated, the second part is arranged below the auxiliary frame, corresponding to the auxiliary frame bushing, so that the auxiliary frame bushing can be shared, the first connecting hole is simple in structure and convenient to arrange and implement, and the second connecting hole is arranged corresponding to the shaft hole of the auxiliary frame bushing, so that the same fastening assembly and the auxiliary frame bushing can be shared. The first part includes riser and diaphragm, and first connecting hole sets up on the diaphragm to and set up on the riser and be used for the third connecting portion that links to each other with the power assembly, not only do benefit to the installation stability that improves the power assembly, still be convenient for arrange and implement.

In addition, vertical board links to each other with first part on the second part, and the second connecting hole sets up on horizontal board, and the machine-shaping of being convenient for just has better connection effect. The connecting columns on the vertical plates and the connecting blocks on the vertical plates are detachably connected, so that the connecting columns and the connecting blocks are convenient to detach, and replacement and maintenance cost is reduced.

In addition, another object of the utility model is to propose a vehicle provided with a subframe assembly as described above.

According to the vehicle, the auxiliary frame assembly is arranged, so that the number of parts is reduced, and the production cost is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of a subframe assembly and a powertrain in an installed state according to an embodiment of the present utility model;

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

FIG. 3 is a schematic view of a subframe according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a subframe assembly according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a sub-frame according to an embodiment of the present utility model;

FIG. 6 is a schematic structural view of a first portion according to an embodiment of the utility model;

FIG. 7 is a schematic view of a second portion according to an embodiment of the utility model;

fig. 8 is a schematic structural diagram of a subframe assembly according to a second embodiment of the utility model.

Reference numerals illustrate:

1. an auxiliary frame; 2, a sub-bracket, 3, a suspension bushing, 4, a subframe bushing, 5, a power assembly;

101. First beam 102, second beam 1021, main body section 1022, inclined section 103, sleeve 104, mounting cylinder 105, protrusion 1051, third connecting hole;

201. 2011, a riser, 2012, a cross plate, 2013, a second boss, 2014, a first connecting hole, 2015, a connecting post, 2016, a fifth connecting hole, 2017, an eighth connecting hole;

202. second portion, 2021, vertical plate, 2022, transverse plate, 2023, connecting block, 2024, second connecting hole, 2025, seventh connecting hole;

501. first convex column, 502 and third convex column.

Detailed Description

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.

In the description of the present utility model, the terms "upper, lower, left, right, front, and rear" used in the present embodiment are defined with reference to the up-down direction, the left-right direction, and the front-rear direction of the automobile. The vertical direction of the vehicle, i.e., the height direction of the vehicle (Z direction), the front-rear direction of the vehicle, i.e., the longitudinal direction of the vehicle (X direction), and the lateral direction of the vehicle, i.e., the width direction of the vehicle (Y direction). In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the components may be fixedly connected, detachably connected or integrally connected, mechanically connected or electrically connected, directly connected or indirectly connected through an intermediate medium, or communicated with each other. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.

The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Example 1

The present embodiment relates to a sub-frame assembly for solving the problems of a large number of parts and high production cost caused by the independent design and arrangement of the suspension bush 3 and the sub-frame bush 4 in the prior art by optimizing the structure thereof.

In the whole structure, the auxiliary frame assembly in the embodiment comprises an auxiliary frame 1 and a power assembly bracket arranged on the auxiliary frame 1. The subframe 1 includes a first beam body 101 arranged opposite in a first direction, a second beam body 102 arranged opposite in a second direction, and a plurality of subframe bushings 4 for mounting the subframe 1 on a vehicle body.

The power assembly bracket is provided with a first connecting part and a second connecting part, the first connecting part is used for connecting the power assembly 5 and the auxiliary frame 1 together, the second connecting part is arranged corresponding to at least part of the auxiliary frame bushing 4, and the auxiliary frame 1 and the power assembly bracket are connected to the vehicle body through the same fastening component by the second connecting part and the corresponding auxiliary frame bushing 4.

The auxiliary frame assembly of this embodiment links together power assembly 5 and auxiliary frame 1 through the first connecting portion on the power assembly support, does benefit to and installs power assembly 5 on auxiliary frame 1 to through auxiliary frame bush 4 that the second connecting portion corresponds with auxiliary frame 1 and power assembly support connection by same fastening assembly on the automobile body, make auxiliary frame bush 4 and fastening assembly of the part that power assembly support and auxiliary frame 1 share, thereby do benefit to the quantity that reduces spare part, and then at reduction in production cost.

Based on the above general description, an exemplary structure of the subframe assembly described in this embodiment is shown in fig. 1 and 2. The whole auxiliary frame 1 is "mouthful" font, and not only simple structure easily arranges and implements, and has better structural strength and stability, and the power assembly support can set up at the top or the bottom of auxiliary frame 1 for installation power assembly 5, power assembly 5 can be driving motor etc.. The first direction in this embodiment may be a front-rear direction or a left-right direction of the whole vehicle, and the second direction is perpendicular to the first direction. The structure of the sub-frame assembly will be described below by taking the first direction as the front-rear direction of the whole vehicle, the second direction as the left-right direction of the whole vehicle, the third direction as the height direction of the whole vehicle, and the power assembly bracket provided at the bottom of the sub-frame 1 as an example.

As shown in fig. 3, both ends of each second beam 102 are respectively provided with a mounting cylinder 104 for mounting the sub-frame bushing 4, one end of the mounting cylinder 104 is provided with an opening, the other end is provided with a mounting hole, and the fastening assembly is provided through the mounting hole. Wherein the opening of the mounting cylinder 104 facilitates the mounting of the subframe bushing 4. As a preferred embodiment, the two ends of each second beam 102 are provided with sub-frame bushings 4, and the four sub-frame bushings 4 are respectively located at four corners of the sub-frame 1, that is, the four corners of the sub-frame 1 are provided with mounting cylinders 104, and are mounted on the vehicle body through the four sub-frame bushings 4, which is beneficial to ensuring the mounting stability of the sub-frame 1.

Referring to fig. 3, the second beam 102 in this embodiment includes a main body section 1021 extending in the first direction, and inclined sections 1022 provided at both ends of the main body section 1021. The main body section 1021 is provided with a sleeve 103 arranged along the second direction, the sleeve 103 is used for installing a suspension bush 3, the suspension bush 3 is used for being connected with a power assembly 5, and the auxiliary frame bush 4 is arranged at the end part of the inclined section 1022.

Here, the arrangement of the main body section 1021 and the two inclined sections 1022 on the second beam 102 is beneficial to improving the bearing and transmission effects of the external force. By arranging the sleeve 103 on the main body section 1021, the mounting effect of the power assembly 5 on the subframe 1 is improved by matching with the first connecting part, and the subframe bushing 4 is arranged at the end part of the inclined section 1022, so that the force can be dispersed and transmitted through the inclined section 1022 in time. In particular, the outer peripheral wall of the mounting cylinder 104 is connected to the end face of each inclined segment 1022, and both the mounting cylinder 104 and the sleeve 103 are preferably integrally formed with the second beam 102, which is beneficial to further improving the structural integrity of the subframe 1 and improving the mounting efficiency.

As a preferred embodiment, the power train support in this example comprises two opposite branch frames 2. Wherein the sleeve 103 is disposed adjacent one of the inclined sections 1022 and the second connection portion of each sub-mount 2 is disposed corresponding to the sub-frame bushing 4 adjacent the other inclined section 1022. As shown in fig. 2, two bushings 103 are provided near the front end of the inclined section 1022, and the second connection portions of the two sub brackets 2 are provided corresponding to the sub frame bushings 4 of the rear inclined section 1022. So set up, not only can realize sharing two sub vehicle frame bushings 4, just can link together sub vehicle frame 1 and automobile body effectively with minute support 2, sub vehicle frame using same fastening assembly moreover, do benefit to the unnecessary connection structure of reduction to do benefit to the installation stability who promotes power assembly 5.

In a specific structure, the sub-frame 2 in this embodiment includes a first portion 201 and a second portion 202 that are connected, where the first portion 201 is disposed on the inner side of the subframe 1, and the second portion 202 is disposed below the subframe 1. The first connection portion includes a first connection hole 2014 provided on the first portion 201 in the first direction, and the second connection portion includes a second connection hole 2024 provided on the second portion 202 corresponding to the shaft hole of the sub-frame bushing 4.

In this embodiment, the first portion 201 is disposed on the inner side of the subframe 1, so as to facilitate connection between the power assembly 5 and the subframe 1, the second portion 202 is disposed below the subframe 1, so as to facilitate arrangement corresponding to the subframe bushing 4, and the subframe bushing 4 can be shared, and the first connecting hole 2014 has a simple structure and is convenient for arrangement and implementation, and the second connecting hole 2024 is disposed corresponding to the shaft hole of the subframe bushing 4, so as to facilitate sharing the same fastening assembly and subframe bushing 4.

Referring to fig. 5 and 6, the first portion 201 of the present embodiment includes a riser 2011 extending in a first direction, and a cross plate 2012 extending in a second direction. The first connecting hole 2014 is provided on the transverse plate 2012, and the riser 2011 is connected to the second portion 202, and a third connecting portion for connecting to the power assembly 5 is provided on the riser 2011. Because of the setting of riser 2011 and diaphragm 2012 for first part 201 is whole "L" shape, not only simple structure, easy machine-shaping, and have better structural stability. At the same time, the first part 201 in the shape of an L is beneficial to strengthening the strength of the first part, thereby promoting the force transmission effect.

As shown in fig. 1, the first portion 201 is disposed at intervals from both the power assembly 5 and the subframe 1, and the power assembly 5 is disposed at intervals from the subframe 1 in the third direction. To facilitate the connection effect between the powertrain 5, the first portion 201 and the subframe 1, as shown in fig. 3, the first beam 101 disposed rearward is provided with the protrusions 105 protruding downward, and the protrusions 105 are disposed in one-to-one correspondence with the cross plates 2012. The power assembly 5 is provided with a first boss 501 protruding toward the cross plate 2012, the cross plate 2012 is provided with a second boss 2013 protruding toward the corresponding boss 105, and the first connection hole 2014 penetrates the second boss 2013.

The protrusion 105 is provided with a third connection hole 1051 corresponding to the first connection hole 2014, and the first post 501 is provided with a fourth connection hole corresponding to the first connection hole 2014. A connecting member such as a bolt or the like can be screwed through the third connecting hole 1051, the first connecting hole 2014, and the fourth connecting hole in this order in the first direction, and the second boss 2013 and the cross plate 2012 in the connected state are sandwiched between the first boss 501 and the boss 105, thereby connecting the rear end of the power assembly 5 to the first beam 101.

To enhance the connection between the riser 2011 and the powertrain 5, the third connection portion includes a plurality of fifth connection holes 2016 provided at the free ends of the riser 2011. As one possible embodiment, as shown in fig. 6, the fifth connection holes 2016 are two spaced apart along the third direction. Corresponding to the fifth connection hole 2016, a third boss 502 protruding toward the vertical plate 2011 is provided on the sidewall of the power unit 5, and a sixth connection hole is provided in the third boss 502. The bolts pass through the fifth connecting holes 2016 and are connected with the sixth connecting holes in a threaded manner, so that the connection between the power assembly 5 and the vertical plate 2011 can be realized. Of course, in the specific implementation, the number and the positions of the fifth connecting holes 2016 can be adaptively adjusted according to the needs of the user.

As a preferred embodiment, as shown in fig. 5 and 7, the second portion 202 includes a vertical plate 2021 extending in a first direction, and a lateral plate 2022 extending in a second direction. The vertical plate 2021 is connected to the first portion 201, and the second connection hole 2024 is provided on the lateral plate 2022. The arrangement of the vertical plate 2021 and the transverse plate 2022 herein makes the second portion 202 also have an "L" shape, which is not only convenient for processing and shaping, but also has a better connection effect. In addition, the second part 202 with the L shape is beneficial to strengthening the strength of the corner of the auxiliary frame 1, thereby promoting the force transmission effect of the corner of the auxiliary frame 1.

Considering that the second connection hole 2024 on the cross plate 2022 is connected to the shaft hole of the subframe bushing 4, when specifically arranged, the cross plate 2022 abuts against the bottom end of the inner tube in the middle of the subframe bushing 4, so that the entire second portion 202 is spaced apart from the subframe 1 in the third direction. The fastening assembly includes a bolt sequentially passing through the second connection hole 2024 and the sub-frame bushing 4 shaft hole and the vehicle body in the third direction, and a nut connected to the bolt by screw. The fastening assembly is simple in structure, convenient to arrange and implement and beneficial to disassembly and maintenance.

To connect the riser 2011 and the vertical plate 2021 together, in this embodiment, as shown in fig. 5 to 7, a protruding connection post 2015 is provided on the riser 2011, and a connection block 2023 protruding downward is provided on the vertical plate 2021, where the connection post 2015 is detachably connected to the connection block 2023. The setting of spliced pole 2015 and connecting block 2023 here does benefit to the connection that realizes between riser 2011 and the vertical board 2021 to link to each other through spliced pole 2015 on the riser 2011 and connecting block 2023 on the vertical board 2021 can be dismantled, be convenient for dismantle both, thereby do benefit to and reduce change and maintenance cost.

In specific implementation, the connection block 2023 is provided with a seventh connection hole 2025, the connection column 2015 is provided with an eighth connection hole 2017, and a bolt passes through the seventh connection hole 2025 and is then connected with the eighth connection hole 2017 in a threaded manner until the connection column 2015 abuts against the connection block 2023 to indicate that the connection block 2023 is connected in place.

In the embodiment, the auxiliary frame 1 is integrally cast by adopting aluminum alloy, which is not only beneficial to processing and forming, but also beneficial to the lightweight design of the auxiliary frame assembly, and has higher structural strength. In addition, the first portion 201 and the second portion 202 may be integrally cast from an aluminum alloy or cast from ductile iron, which is also advantageous for ensuring the strength and the usability of the sub-mount 2. In addition, the sleeve 103, the mounting cylinder 104, the first beam 101 and the second beam 102 are integrally formed, so that the mounting efficiency is further improved.

As shown in fig. 4, the two suspension bushes 3 in the present embodiment, and the two subframe bushes 4 shared by the second portion 202 and the subframe 1 are sequentially connected to each other in a trapezoid (shown by a broken line in fig. 4), and the centroid of the powertrain 5 is located in an area defined by the trapezoid outline. Two suspension bushes 3 and two subframe bushes 4 are provided at the four corners of the trapezoid, respectively. The arrangement is beneficial to strengthening the supporting effect of the auxiliary frame 1 on the power assembly 5, has higher supporting stability and is not easy to deform, so that the displacement and rotation of the mass center of the power assembly 5 are effectively restrained, and the vibration transmission is reduced. In addition, in the auxiliary frame assembly structure, the first beam body 101 can effectively collapse and absorb energy under the condition of normal collision, so that the collision safety of a vehicle is improved.

In the subframe assembly of the present embodiment, by optimizing the structure of the powertrain 5, one end of the powertrain 5 is connected to the suspension bush 3 on the second beam 102 in the second direction, and by the arrangement of the cross plate 2012 on the first portion 201, the other end of the powertrain 5 is directly connected to the first beam 101 in the first direction, and by the arrangement of the vertical plate 2021 on the second portion 202, the other end of the powertrain 5 is further connected to the subframe bush 4 by means of the second portion 202 in the second direction, which is not only beneficial to ensuring the mounting stability of the powertrain 5 on the subframe 1, but also beneficial to ensuring the force transmission and vibration damping effects.

In addition, the auxiliary frame 1 can also provide a reaction force for the output torque of the power assembly 5, so that the anti-torsion limiting effect is better, and the stability of the power assembly 5 in use is ensured. Furthermore, the suspension bush 3 and the auxiliary frame bush 4 can be made to have the same specifications, so that the types of parts are further reduced, the production cost is reduced, and the platformization efficiency is improved. Of course, depending on the use requirements, the suspension bush 3 and the subframe bush 4 may be provided in different specifications.

Example two

The present embodiment relates to a subframe assembly having substantially the same structure as that of the subframe assembly of the embodiment, except that the structural form of the powertrain bracket is different.

As shown in fig. 8, the powertrain mount of the present embodiment includes four sub-mounts 2 provided at respective end portions of the second beam 102, and second connection portions of the respective sub-mounts 2 are provided in correspondence with the sub-frame bushings 4 at the corresponding ends of the second beam 102. The second connecting part of the sub-frame 2 is arranged corresponding to the sub-frame bushing 4, and the sub-frame bushing 4 and the fastening components can be shared, so that the number of parts is further reduced.

In the specific implementation, the structures of the four split brackets 2 are the same as those of the split bracket 2 in the embodiment, and the structure and the connection mode of the split bracket 2 are not repeated here. The four sub-brackets 2 are symmetrically arranged in the first direction and the second direction, so that the mounting stability of the power assembly 5 on the auxiliary frame 1 is improved, the types of parts are reduced, the production cost is reduced, and the platformization efficiency is improved. Meanwhile, the two first beam bodies 101 and the two second beam bodies 102 are also symmetrically arranged respectively, so as to further improve the structural strength and stability of the subframe 1.

In the subframe assembly described in this embodiment, by providing four branch frames 2, the front and rear ends of the power assembly 5 are respectively connected to the first beam 101 through the cross plate 2012 in the first direction. In the second direction, the side portions of the two ends of the powertrain 5 are connected to the vertical plate 2021 through the vertical plate 2011, and then connected to the shaft hole of the subframe bushing 4 through the lateral plate 2022. The sleeve 103 of the first embodiment, and the suspension liner 3 disposed within the sleeve 103, can thus be omitted. The powertrain 5 is specifically connected to the subframe bush 4 by means of the first portion 201 and the second portion 202, and is fixed to the vehicle body together with the subframe 1 by means of the fastening assembly, so that the number of parts is reduced, and the installation efficiency is improved.

Example III

The present embodiment relates to a vehicle provided with the sub-frame assembly as described in the above embodiment.

The vehicle of the embodiment is beneficial to reducing the number of parts by arranging the auxiliary frame assembly, thereby being beneficial to reducing the production cost.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims (10)

1. A subframe assembly, characterized in that:

comprises an auxiliary frame (1) and a power assembly bracket arranged on the auxiliary frame (1);

The subframe (1) comprises a first beam body (101) arranged oppositely in a first direction, a second beam body (102) arranged oppositely in a second direction, and a plurality of subframe bushings (4) for mounting the subframe (1) on a vehicle body;

Be equipped with first connecting portion and second connecting portion on the power assembly support, first connecting portion be used for with power assembly (5) with sub vehicle frame (1) link together, second connecting portion correspond at least part sub vehicle frame bush (4) set up, second connecting portion with corresponding sub vehicle frame bush (4) will sub vehicle frame (1) with power assembly support connection is on the automobile body by same fastening assembly.

2. The subframe assembly of claim 1, wherein:

The auxiliary frame (1) is formed by integrally casting aluminum alloy and/or,

The two ends of each second beam body (102) are provided with the auxiliary frame bushing (4).

3. The subframe assembly of claim 2, wherein:

the second beam body (102) comprises a main body section (1021) extending along the first direction, and inclined sections (1022) arranged at two ends of the main body section (1021);

The main body section (1021) is provided with a sleeve (103) arranged along the second direction, the sleeve (103) is used for installing a suspension bushing (3), the suspension bushing (3) is used for being connected with the power assembly (5), and the auxiliary frame bushing (4) is arranged at the end part of the inclined section (1022).

4. A subframe assembly as claimed in claim 3, wherein:

the power assembly bracket comprises two opposite branch brackets (2);

The sleeve (103) is arranged near one inclined section (1022), and the second connecting part of each sub-bracket (2) is arranged corresponding to the auxiliary frame bushing (4) near the other inclined section (1022).

5. The subframe assembly of claim 2, wherein:

The power assembly bracket comprises four branch frames (2) arranged at each end part of the second beam body (102), and the second connecting part of each branch frame (2) is correspondingly arranged with the auxiliary frame bushing (4) at the corresponding end of the second beam body (102).

6. The subframe assembly of claim 4 or 5, wherein:

The branch frame (2) comprises a first part (201) and a second part (202) which are connected, the first part (201) is arranged on the inner side of the auxiliary frame (1), and the second part (202) is arranged below the auxiliary frame (1);

The first connection portion includes a first connection hole (2014) provided in the first portion (201) in the first direction, and/or the second connection portion includes a second connection hole (2024) provided in the second portion (202) corresponding to the shaft hole of the sub-frame bushing (4).

7. The subframe assembly of claim 6, wherein:

The first portion (201) comprises a riser (2011) extending in the first direction and a cross plate (2012) extending in the second direction;

The first connecting hole (2014) is formed in the transverse plate (2012), and the vertical plate (2011) is connected with the second part (202) and is provided with a third connecting part for being connected with the power assembly (5).

8. The subframe assembly of claim 7, wherein:

The second portion (202) comprises a vertical plate (2021) extending in the first direction, and a transverse plate (2022) extending in the second direction;

The vertical plate (2021) is connected to the first portion (201), and the second connecting hole (2024) is provided on the lateral plate (2022).

9. The subframe assembly of claim 8, wherein:

The connecting structure is characterized in that an outwards protruding connecting column (2015) is arranged on the vertical plate (2011), a connecting block (2023) protruding downwards is arranged on the vertical plate (2021), and the connecting column (2015) is detachably connected with the connecting block (2023).

10. A vehicle, characterized in that:

the vehicle provided with a subframe assembly as claimed in any one of claims 1 to 9.