Auxiliary frame and vehicle

Abstract

The utility model provides an auxiliary frame and a vehicle, the auxiliary frame comprises a frame body, the frame body comprises two first beam body structures which are oppositely arranged in a first direction and two second beam body structures which are oppositely arranged in a second direction. The two first beam body structures are each provided with a first installation part and a second installation part, the first installation parts are used for installing connecting pieces connected with a vehicle body, and the second installation parts can be used for installing suspension linings connected with a power assembly. The two second beam body structures are each provided with a third installation part, and the third installation parts can be used for installing suspension linings connected with a power assembly. According to the auxiliary frame disclosed by the utility model, the second mounting parts are arranged on the two first beam body structures, and the third mounting parts are arranged on the two second beam body structures, so that suspension bushings can be selectively arranged in the second mounting parts or the third mounting parts according to requirements, and the diversity of suspension arrangement can be realized; the auxiliary frame can have good universality.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, in particular to a subframe. At the same time, the utility model also relates to a vehicle provided with the subframe. Background Art

[0002] In order to save costs and improve production efficiency, most automobile enterprises produce through platformization. Platform-based production can shorten the development cycle, reduce development costs, avoid the risk of real vehicle verification, and improve product reliability. Automobile platformization mainly focuses on main components such as subframes, vehicle bodies or powertrains. At present, the mounting bushings and mounts used to connect the subframe to the vehicle body are mainly designed based on vehicle layout, NVH (Noise, Vibration, Harshness), handling stability, fatigue durability and other performances, resulting in a large variety of product development, high development and reliability verification costs, and a single applicable vehicle model. Summary of the Utility Model

[0003] In view of this, the utility model aims to provide a subframe that can be applicable to different vehicle models and platforms and has good versatility.

[0004] To achieve the above object, the technical solution of the utility model is realized as follows:

[0005] A subframe includes a frame body. The frame body includes two first beam structures arranged opposite to each other in a first direction, and two second beam structures arranged opposite to each other in a second direction;

[0006] Both of the two first beam structures are provided with a first mounting portion and a second mounting portion. The first mounting portion is used for mounting a connecting member connected to the vehicle body, and the second mounting portion can mount a mount bushing connected to the powertrain;

[0007] Both of the two second beam structures are provided with a third mounting portion, and the third mounting portion can mount a mount bushing connected to the powertrain.

[0008] Furthermore, the structures of the third mounting portions on the two second beam structures are the same;

[0009] The third mounting portion includes a mounting beam connected to the bottom of the second beam structure, and a first sleeve provided on the mounting beam. The first sleeve can mount the mount bushing.

[0010] Furthermore, the mounting beam is in a "W" shape and has two grooves arranged at intervals. The first sleeves are provided in both of the two grooves; or,

[0011] The mounting beam includes a body portion in a "V" shape and a reinforcing portion provided at the top of the body portion. The reinforcing portion and the body portion enclose an installation hole, and the first sleeve is disposed in the installation hole.

[0012] Further, the structures of the third mounting portions on the two second beam structures are different;

[0013] One of the third mounting portions includes a first connecting beam connected to the bottom of the second beam structure and two second sleeves spaced along the first direction on the first connecting beam;

[0014] The other third mounting portion includes a second connecting beam connected to the bottom of the other second beam structure and a third sleeve disposed on the second connecting beam. Both the second sleeve and the third sleeve can mount the suspension bushing.

[0015] Further, the first connecting beam is in a "W" shape and has two mounting grooves arranged at intervals. The two second sleeves are respectively disposed in the two mounting grooves; and / or,

[0016] The second connecting beam includes a main body in a "V" shape and a reinforcing body provided at the top of the main body. The reinforcing body and the main body enclose a through hole, and the third sleeve is disposed in the through hole.

[0017] Further, a third beam structure is connected between the two first beam structures;

[0018] The third beam structure extends along the first direction, and a fourth sleeve is provided on the third beam structure. The fourth sleeve can mount the suspension bushing.

[0019] Further, the first beam structure includes a main beam and a sub-beam provided at the bottom of the main beam, and the main beam is connected to the second beam structure;

[0020] The first mounting portion is provided on the main beam, and the second mounting portion is provided on the sub-beam.

[0021] Further, both ends of the sub-beam are connected to the main beam, and the middle part protrudes downward, thereby forming an installation space with the main beam;

[0022] The second mounting portion includes a fifth sleeve provided in the middle of the sub-beam and a sixth sleeve provided at both ends of the sub-beam.

[0023] Further, the sub-beam includes a main body portion arranged at an upper and lower interval with the main beam and an inclined portion provided between the main body portion and the main beam portion, and a diagonal beam is provided between the main body portion and each side of the inclined portion;

[0024] The fifth sleeve is arranged between the two inclined beams on both sides and is connected to both the inclined beams and the main body part. The second mounting part includes a seventh sleeve arranged at the intersection of the main body part and the inclined part.

[0025] Compared with the prior art, the utility model has the following advantages:

[0026] For the subframe of the utility model, by arranging the second mounting parts on both of the two first beam structures, and arranging the third mounting parts on both of the two second beam structures, and both the second mounting part and the third mounting part can mount the mounting bush connected to the power assembly. Thus, the mounting bush can be selected to be arranged in the second mounting part or the third mounting part according to requirements, which can realize the diversity of the mounting arrangement, improve the characteristics of the subframe in matching with various types, enable the subframe to have better versatility, reduce the development and reliability verification costs, and improve the platformization rate.

[0027] In addition, the structures of the third mounting parts on the two second beam structures are the same, which is convenient for processing and manufacturing, can reduce the manufacturing cost. The third mounting part includes a mounting beam and a first sleeve, with a simple structure and being convenient for design and implementation. The mounting beam is in a "W" shape and has two grooves arranged at intervals, and the mounting beam includes a main body part in a "V" shape and a strengthening part arranged at the top of the main body part, which can all enable the mounting beam to have better structural strength. At the same time, it is also convenient to set the first sleeve and can improve the setting strength of the first sleeve, which is beneficial to reducing vibration.

[0028] Secondly, the structures of the third mounting parts on the two second beam structures are different. One third mounting part includes two second sleeves, and the other third mounting part includes a third sleeve, which can realize a three-point mounting arrangement. A third beam structure is connected between the two first beam structures, which can be used as a damping rod to improve the stiffness of the subframe, reduce vibration transmission and improve the vehicle handling and stability; the setting of the fourth sleeve can further increase the diversity of the mounting arrangement, and then improve the versatility of the subframe.

[0029] In addition, by making the first beam structure include a main beam and a sub-beam arranged at the bottom of the main beam, it can not only improve the overall structural strength of the subframe, but also be convenient for arranging the connecting parts connected to the vehicle body and the mounting bush used for connecting to the power assembly on the first beam structure.

[0030] Connecting the two ends of the sub-beam to the main beam and making the middle part bulge downward can enable the sub-beam to have better structural strength, thereby further improving the structural strength of the subframe; the second mounting part includes a fifth sleeve located in the middle of the sub-beam and a sixth sleeve located at both ends, which can increase the diversity of the mounting arrangement by selecting to set the mounting bush in different sleeves, and enable this subframe to be applicable to different vehicle models and platforms.

[0031] In addition, the auxiliary beam includes a main body portion arranged at an upper and lower interval with the main beam, and an inclined portion provided between the main body portion and the main beam, which facilitates the processing and manufacturing of the auxiliary beam; by providing diagonal beams between the main body portion and the inclined portions on both sides, and arranging the fifth sleeve between the diagonal beams on both sides, not only can the overall structural strength of the auxiliary beam and the subframe be further improved, but also the installation strength of the sixth sleeve can be improved, and the vibration transmission can be reduced.

[0032] In addition, another object of the present utility model is to provide a vehicle, on which the above-mentioned subframe is provided.

[0033] The vehicle of the present utility model has all the beneficial effects of the above-mentioned subframe, which will not be elaborated here. Description of the Drawings

[0034] The drawings constituting a part of the present utility model are used to provide a further understanding of the present utility model. The schematic embodiments and descriptions thereof of the present utility model are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0035] Figure 1 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the first perspective;

[0036] Figure 2 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the second perspective;

[0037] Figure 3 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the third perspective;

[0038] Figure 4 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the fourth perspective;

[0039] Figure 5 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the first perspective when the third installation part is removed;

[0040] Figure 6 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the second perspective when the third installation part is removed;

[0041] Figure 7 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the third perspective when the third installation part is removed;

[0042] Figure 8 is a schematic structural view of the frame body according to the first embodiment of the present utility model from the fourth perspective when the third installation part is removed;

[0043] Figure 9 Structural schematic diagram of the third mounting part according to the first embodiment of the present utility model;

[0044] Figure 10 Structural schematic diagram of the third mounting part according to the first embodiment of the present utility model from another perspective;

[0045] Figure 11 Structural schematic diagram of the frame body according to the second embodiment of the present utility model from the first perspective;

[0046] Figure 12 Structural schematic diagram of the frame body according to the second embodiment of the present utility model from the second perspective;

[0047] Figure 13 Structural schematic diagram of the third mounting part according to the second embodiment of the present utility model;

[0048] Figure 14 Structural schematic diagram of the third mounting part according to the second embodiment of the present utility model from another perspective;

[0049] Figure 15 Structural schematic diagram of the frame body according to the third embodiment of the present utility model;

[0050] Figure 16 Structural schematic diagram of one of the third mounting parts according to the third embodiment of the present utility model;

[0051] Figure 17 Structural schematic diagram of the other third mounting part according to the third embodiment of the present utility model.

[0052] Explanation of reference numerals:

[0053] 1, First beam structure; 2, Second beam structure; 3, Installation sleeve; 4, Fifth sleeve; 5, Sixth sleeve; 6, Seventh sleeve; 7, Inclined beam; 8, First strengthening beam; 9, Second strengthening beam; 10, Support tube; 11, Connection sleeve; 12, Suspension bushing; 13, Installation bushing; 14, Installation beam; 15, Third beam structure; 16, First sleeve; 17, Fourth sleeve; 18, First connection beam; 19, Second connection beam; 20, Second sleeve; 21, Third sleeve;

[0054] 101, Main beam; 102, Sub - beam; 1021, Main body part; 1022, Inclined part;

[0055] 1401, Body part; 1402, Strengthening part. Detailed implementation manners

[0056] It should be noted that, without conflict, the embodiments and features in the embodiments of the present utility model can be combined with each other.

[0057] In the description of the present utility model, it should be noted that the orientation terms such as "upper, lower, left, right, front, and rear" used in this embodiment are defined based on the up-and-down direction, left-and-right direction, and front-and-rear direction of the vehicle. Among them, the up-and-down direction of the vehicle is also the height direction (Z direction) of the vehicle, the front-and-rear direction of the vehicle is also the length direction (X direction) of the vehicle, and the left-and-right direction of the vehicle is also the width direction (Y direction) of the vehicle. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0058] In addition, in the description of the present utility model, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connection parts" 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 directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood in combination with specific situations.

[0059] The present utility model will be described in detail below with reference to the drawings and in combination with embodiments.

[0060] Embodiment 1

[0061] This embodiment relates to a subframe. In terms of the overall composition, it includes a frame body. The frame body includes two first beam structures 1 arranged oppositely in the first direction and two second beam structures 2 arranged oppositely in the second direction. Among them, both of the two first beam structures 1 are provided with a first installation part and a second installation part. The first installation part is used to install the connection part connected to the vehicle body, and the second installation part can install the suspension bushing 12 connected to the power assembly. And both of the two second beam structures 2 are provided with a third installation part, and the third installation part can install the suspension bushing 12 connected to the power assembly.

[0062] For the subframe of this embodiment, by arranging a second installation part on both of the two first beam structures 1 and arranging a third installation part on both of the two second beam structures 2, and both the second installation part and the third installation part can install the suspension bushing 12 connected to the power assembly. Thus, the suspension bushing 12 can be selected to be arranged in the second installation part or the third installation part according to requirements, which can realize the diversity of suspension arrangement, improve the characteristics of the subframe to match various situations, make the subframe have better versatility, reduce the development and reliability verification costs, and improve the platformization rate.

[0063] Based on the above overall introduction, an exemplary reference of the subframe of this embodimentFigures 1 to 4 As shown, it is generally rectangular as a whole, and the first direction is the Figure 4 left - right direction shown in the Figure 4 up - down direction shown in the Figures 5 to 8 state. Specifically in implementation, the first direction can be the vehicle length direction or the vehicle width direction. Here, for the convenience of understanding this embodiment, in combination with Figure 5 as shown, the first beam structure 1 is introduced first. Among them, as

[0064] shown, the first beam structure 1 includes a main beam 101 and a secondary beam 102 provided at the bottom of the main beam 101. And the main beam 101 is connected to the second beam structure 2. The above - mentioned first mounting portion is provided on the main beam 101, and the second mounting portion is provided on the secondary beam 102. With such a setting, the stiffness of the first beam structure 1 can be improved, vibration transmission can be reduced, and the handling and stability of the vehicle can be enhanced. Figure 4 In addition, as

[0065] shown, the main beam 101 is generally arc - shaped with the middle part bent inward into the sub - frame, and includes an intermediate part extending in the second direction and end parts provided at both ends of the intermediate part, and each end part is arc - shaped. Because of the good vibration absorption effect, the connecting member connected to the vehicle body usually uses the mounting bushing 13 in the prior art, and the overall structure of the mounting bushing 13 is the same as that of the suspension bushing 12, and generally includes an inner tube, an outer tube sleeved outside the inner tube, and a rubber body vulcanized between the inner tube and the outer tube. For this reason, as a preferred embodiment, the first mounting portion of this embodiment is specifically the mounting sleeve 3 provided at both ends of the main beam 101, which is a cylindrical shape adapted to the outer tube. Among them, during specific assembly, the mounting sleeve 3 can be fixed first with a tooling, and then the mounting bushing 13 can be press - fitted into the mounting sleeve 3 with interference by a press - fitting device. Figures 5 to 8 In addition, in combination with

[0066] shown, both ends of the secondary beam 102 of this embodiment are connected to the main beam 101, and the middle part protrudes downward, thus forming a mounting space with the main beam 101. And, as a preferred embodiment, the cross - sections of both the main beam 101 and the secondary beam 102 are circular. Moreover, the main beam 101 and the secondary beam 102 can be formed by any one of the processes of sheet metal stamping, bending, aluminum alloy extrusion or drawing. The second mounting portion specifically includes a fifth sleeve 4 provided in the middle of the secondary beam 102 and a sixth sleeve 5 provided at both ends of the secondary beam 102. Here, it should be noted that in addition to being set as circular, the cross - sections of the main beam 101 and the secondary beam 102 can also be set as rectangular.In this embodiment, by connecting the two ends of the secondary beam 102 to the main beam 101 and making the middle part protrude downward, the secondary beam 102 can have better structural strength, thereby further improving the structural strength of the subframe. The second mounting portion includes a fifth sleeve 4 located in the middle of the secondary beam 102 and a sixth sleeve 5 located at both ends. By selecting to set the suspension bushing 12 in different sleeves, the layout of three-point suspension and four-point suspension can be achieved, making this subframe applicable to different vehicle models platforms.

[0067] Among them, the structure of the suspension bushing 12 is the same as the overall structure of the above-mentioned mounting bushing 13, and its specific specifications and dimensions can be determined according to the design requirements, which will not be elaborated here. And, as a preferred implementation manner, both the fifth sleeve 4 and the sixth sleeve 5 in this embodiment are cylindrical, and the inner diameter of the fifth sleeve 4 is smaller than the inner diameter of the sixth sleeve 5, so as to be able to install suspension bushings 12 of different specifications, thereby improving the design diversity of the suspension. In addition, as Figure 2 shown in, as a further implementation manner, the fifth sleeve 4 is arranged inside the installation space, and the sixth sleeve 5 is arranged outside the installation space. With such a setting, the distance between the fifth sleeve 4 and the sixth sleeve 5 can be fully increased, facilitating the layout of the fifth sleeve 4 and the sixth sleeve 5 on the secondary beam 102.

[0068] Combined with Figure 5 and Figure 6 shown in, as a further implementation manner, the secondary beam 102 of this embodiment includes a main body portion 1021 arranged at an interval above and below the main beam 101, and an inclined portion 1022 arranged between the main body portion 1021 and the main beam 101, and a diagonal beam 7 is provided between the main body portion 1021 and each side inclined portion 1022. Among them, the above-mentioned fifth sleeve 4 is arranged between the two side diagonal beams 7 and is connected to both the diagonal beam 7 and the main body portion 1021. In this embodiment, by making the secondary beam 102 include a main body portion 1021 arranged at an interval above and below the main beam 101 and an inclined portion 1022 arranged between the main body portion 1021 and the main beam 101, it is convenient for the processing and manufacturing of the secondary beam 102. And by providing a diagonal beam 7 between the main body portion 1021 and each side inclined portion 1022 and arranging the fifth sleeve 4 between the two side diagonal beams 7, not only can the structural strength of the secondary beam 102 and the whole subframe be further improved, but also the setting strength of the fifth sleeve 4 can be improved, reducing the vibration transmission.

[0069] Continue to refer to Figure 5As shown in the figure, more specifically, the main body portion 1021 of this embodiment is linear and extends along the second direction, while the inclined portion 1022 is linear and arranged at an angle with the main body portion 1021. Thus, after the secondary beam 102 is connected to the main beam 101, it encloses a trapezoid, and the characteristic that a trapezoid is not easily deformed can be utilized to improve the structural strength of the first beam structure 1. Moreover, the inclined portion 1022 is specifically connected to the end portion of the main beam 101, and the advantage of the large structural strength of the end portion can be utilized to further enhance the structural strength of the subframe.

[0070] Based on the above structure of the secondary beam 102, as a further implementation manner, in combination with Figures 5 to 8 As shown in the figure, the second mounting portion of this embodiment further includes a seventh sleeve 6 provided at the intersection of the main body portion 1021 and the inclined portion 1022. Thus, more layout diversities can be provided for the mounting bush 12, and further the diversity of the subframe can be improved, enabling it to adapt to more vehicle platforms and having better versatility. Among them, the seventh sleeve 6 is also in a cylindrical shape as a whole, and one end thereof is sealed and provided with a connection hole connected to the following third beam structure 15. And, as a preferred implementation manner, the inner diameters of the seventh sleeve 6, the fifth sleeve 4, and the sixth sleeve 5 increase in sequence.

[0071] Thus, when a three-point mounting layout is adopted, that is, mounting bushes 12 are respectively provided in the two sixth sleeves 5 of the secondary beam 102 at the front in the vehicle longitudinal direction, and in the fifth sleeve 4 and the two seventh sleeves 6 of the rear secondary beam 102. Thus, a layout form of increasing the auxiliary mounting with a single-point mounting can be formed, realizing the layout design of the secondary vibration isolation of the mounting system, and improving the vehicle NVH (Noise, Vibration, Harshness), handling stability, durability performance, and driving experience.

[0072] Continue to refer to Figures 5 to 8 As shown in the figure, as a further implementation manner, a first reinforcing beam 8 is provided between the top of the fifth sleeve 4 and each side inclined beam 7, and a rhombus is enclosed between the first reinforcing beam 8 and the inclined beam 7. By providing this first reinforcing beam 8, the structural strength of the secondary beam 102 and the subframe can be further improved, and the setting strength of the fifth sleeve 4 can be further improved, reducing the vibration transmission. In addition, as a preferred embodiment, for facilitating the connection between the first reinforcing beam 8 and the fifth sleeve 4 and the inclined beam 7, the cross-section of the first reinforcing beam 8 is in a flat rectangular shape. Of course, it is also feasible to set the cross-section of the first reinforcing beam 8 to be circular.

[0073] As Figure 5As shown in the figure, in this embodiment, for better usage effects, as a further implementation, a support pipe 10 extending downward is provided on the main beam 101. The support pipe 10 is connected to the inclined portion 1022, and the sixth sleeve 5 is specifically provided at the bottom of the support pipe 10. At this time, by providing the support pipe 10 connected to the inclined portion 1022 and arranging the sixth sleeve 5 at the bottom of the support pipe 10, the installation strength of the sixth sleeve 5 can be improved and vibration transmission can be reduced. Among them, as a preferred embodiment, as shown in Figure 5 As shown in the figure, the cross-section of the support pipe 10 is circular. It is attached to one side of the inclined beam 7 and connected to the inclined beam 7. It can be understood that the cross-section of the support pipe 10 can also be set to other shapes such as rectangular in addition to being circular.

[0074] Combined with Figures 5 to 8 As shown in the figure, as a further implementation, a second strengthening beam 9 is connected between the bottom of the sixth sleeve 5 and the bottom of the seventh sleeve 6. And the second strengthening beam 9 and the support pipe 10 and the inclined portion 1022 are arranged in a triangular shape. With such an arrangement, the characteristics of good stability of the triangle can be utilized to enhance the installation stiffness of the sixth sleeve 5 and the seventh sleeve 6 and reduce vibration transmission. At this time, for the convenience of connecting to the sixth sleeve 5 and the seventh sleeve 6, as a preferred embodiment, the cross-section of the second strengthening beam 9 is also in a flat rectangular shape. Of course, it is also feasible to set the cross-section of the second strengthening beam 9 to be circular.

[0075] In addition, combined with Figure 1 and Figure 8 As shown in the figure, as a preferred implementation, the second beam structure 2 as a whole is in a long strip shape extending in the first direction, and bending portions bending inward toward the subframe are respectively provided at both ends. And the second beam structure 2 is specifically connected to the main beam 101 of the first beam structure 1 through the bending portions. By adopting the above structure for the second beam structure 2 in this embodiment, it not only has good structural strength but also can avoid the installation sleeve 3 to be connected to the first beam structure 1.

[0076] In addition, as a preferred embodiment, the cross-section of the second beam structure 2 is circular, and specifically, it can be formed by any one of sheet metal stamping, bending forming, aluminum alloy extrusion or drawing processes. Here, it should be noted that in addition to setting the cross-section of the second beam structure 2 to be circular, it is also feasible to set it to be rectangular. In addition, as shown in Figure 1 As shown in the figure, as a preferred embodiment, a connecting sleeve 11 is provided on the second beam structure 2, and the connecting sleeve 11 is used to connect to the above-mentioned third installation portion. Among them, there are three connecting sleeves 11 in this embodiment arranged at intervals along the length direction of the second beam structure 2. Of course, in addition to setting the number of the connecting sleeves 11 to three, it is also feasible to set it to other numbers.

[0077] In addition, as shown in Figure 1 , for facilitating the connection between the connecting sleeve 11 and the third mounting portion, both ends of the connecting sleeve 11 protrude relative to the second beam structure 2 respectively. And, in specific implementation, the connecting sleeve 11 can be welded to the second beam structure 2. In this embodiment, the structures of the third mounting portions on the two second beam structures 2 are the same. Among them, in combination with Figure 1 and Figure 2 , as a preferred embodiment, the third mounting portion includes a mounting beam 14 connected to the bottom of the second beam structure 2, and a first sleeve 16 provided on the mounting beam 14, and the first sleeve 16 can mount the suspension bushing 12.

[0078] Among them, in combination with Figure 9 and Figure 10 , as a preferred embodiment, the mounting beam 14 of this embodiment is in a "W" shape and has two grooves arranged at intervals, and the first sleeves 16 are provided in both grooves. With such a setting, the mounting beam 14 can have better structural strength, and at the same time, it is convenient to set the first sleeve 16, and the setting strength of the first sleeve 16 can be improved, which is beneficial to reducing vibration. In addition, as a further implementation manner, connection grooves are formed at both ends of the mounting beam 14 and in the middle of the two grooves, and these connection grooves are arranged in one-to-one correspondence with the above-mentioned connecting sleeve 11 and are connected by bolts. Such a design can facilitate the later maintenance and replacement of the third mounting portion. In addition, for facilitating processing and manufacturing, the cross-section of the mounting beam 14 of this embodiment is circular. Of course, its cross-section can be adjusted according to specific design requirements.

[0079] In this embodiment, as a further implementation manner, a third beam structure 15 is connected between the two first beam structures 1. And, the third beam structure 15 extends along the first direction and is provided with a fourth sleeve 17, and the fourth sleeve 17 can mount the suspension bushing 12. The setting of the third beam structure 15 can make it act as a damping rod, improve the stiffness of the subframe, reduce vibration transmission and improve the vehicle handling stability. And the setting of the fourth sleeve 17 can further increase the diversity of the suspension arrangement, and then improve the versatility of the subframe.

[0080] Among them, in combination with Figure 1 and Figure 4 , as a preferred implementation manner, there are two third beam structures 15 of this embodiment arranged at intervals along the second direction. Thus, the suspension bushings 12 can be arranged in the fourth sleeves 17 of the two third beam structures 15, which can further provide a suspension arrangement method. And obviously, in addition to arranging two third beam structures 15, more can be arranged, or only one third beam structure 15 can be arranged. And when only one third beam structure 15 is arranged, other suspension arrangement methods can be formed by the cooperation of the fourth sleeve 17 and other sleeves.

[0081] In addition, as a preferred example, the cross-section of the third beam structure 15 in this embodiment is circular, and its two ends are respectively connected to the above-mentioned seventh sleeve 6. At the same time, two mounting sleeves 3 are arranged oppositely on the third beam structure 15. Thus, more choices can be provided for the arrangement of the suspension bushing 12 on the subframe, the diversity of suspension arrangement can be realized, the subframe can be applied to more vehicle platforms, and better versatility can be achieved. It can be understood that the number of the fourth sleeves 17 is not limited to Figure 4 the two shown in

[0082] Based on the above overall description, by adopting the above structure, the subframe in this embodiment can realize the diversity of suspension arrangement by selecting to install the suspension bushing 12 in different sleeves. For example, the suspension bushing 12 can be provided only in the sleeves on the first beam structure 1. For example, the suspension bushing 12 is installed in the sixth sleeves 5 of each auxiliary beam 102, or the suspension bushing 12 is respectively installed in the two sixth sleeves 5 of one auxiliary beam 102 and the fifth sleeve 4 of the other auxiliary beam 102, or the suspension bushing 12 is respectively arranged in the two sixth sleeves 5 of one auxiliary beam 102, the fifth sleeve 4 of the other auxiliary beam 102 and the two third sleeves 21 to form a single-point suspension to increase the arrangement form of the auxiliary suspension.

[0083] In addition, according to the design requirements, the suspension bushing 12 can also be provided in the sleeves of the first beam structure 1 and the third beam structure 15, or the suspension bushing 12 can be provided in the sleeves of the first beam structure 1 and the second beam structure 2, or the suspension bushing 12 can be provided only in the sleeves of the two second beam structures 2.

[0084] Thus, based on factors such as the platform vehicle model positioning, the layout position of the powertrain engine compartment, multiple powertrains, NVH, handling stability, durability performance, and the uniform stress of the bushing load, the assembly direction of the subframe can be changed to realize the change of the arrangement direction of the suspension bushing 12, thereby enhancing the characteristics and advantages of the subframe to match diversification, facilitating the construction and building of the platformization and serialization to the greatest extent, realizing the differential arrangement of the suspension, broad adaptability and compatibility, reducing the development and reliability verification costs, and increasing the platformization rate.

[0085] This embodiment also relates to a vehicle, and the vehicle is provided with the above subframe.

[0086] The vehicle in this embodiment has all the beneficial effects of the above subframe, which will not be elaborated here.

[0087] Embodiment Two

[0088] This embodiment also relates to a subframe, and its overall structure is the same as that of Embodiment One, except that in combinationFigure 11 and Figure 12 As shown in Figure 12 , the structure of the third mounting portion of the subframe is different from that of the first embodiment. Among them, in combination with Figure 13 and Figure 14 As shown in Figure 14 , the mounting beam 14 of this embodiment includes a body portion 1401 in a "V" shape, and a reinforcing portion 1402 provided at the top of the body portion 1401. The reinforcing portion 1402 and the body portion 1401 enclose and form a mounting hole, and the first sleeve 16 is disposed in the mounting hole.

[0089] Among them, as a preferred embodiment, continue to refer to Figure 13 and Figure 14 As shown in Figure 14 , for the convenience of processing and manufacturing, the cross-section of the mounting beam 14 of this embodiment is circular. Of course, its cross-section can be adjusted according to specific design requirements. In addition, the reinforcing portion 1402 is also roughly in a "V" shape, and the mounting hole is in a diamond shape. With such a setting, the mounting beam 14 can have a relatively high structural strength. Further, the first sleeve 16 is connected to both the body portion 1401 and the reinforcing portion 1402. Thus, the setting firmness of the first sleeve 16 can be improved by means of the structural strength of the mounting beam 14, thereby reducing vibration transmission and improving the vehicle handling and stability.

[0090] In addition, for the convenience of connecting the mounting beam 14 to the second beam structure 2, as a preferred implementation manner, as Figure 13 As shown in Figure 13 , connection grooves are formed at both ends of the body portion 1401 of the mounting beam 14 and in the middle of the reinforcing portion 1402. These connection grooves are arranged in one-to-one correspondence with the above-mentioned connection sleeves 11 and are connected by bolt screwing. Such a design can facilitate the later maintenance and replacement of the third mounting portion.

[0091] In addition, this embodiment also relates to a vehicle, and the subframe as described above is provided on the vehicle.

[0092] The vehicle of this embodiment has all the beneficial effects of the above-mentioned subframe and will not be elaborated here.

[0093] Embodiment Three

[0094] This embodiment also relates to a subframe, whose overall structure is the same as that of the first embodiment. The difference lies in that the structures of the third mounting portions on the two second beam structures 2 are different. And, as Figure 15 As shown in Figure 15 , one of the third mounting portions includes a first connecting beam 18 connected to the bottom of the second beam structure 2, and two second sleeves 20 spaced along the first direction on the first connecting beam 18. And the other third mounting portion includes a second connecting beam 19 connected to the bottom of the other second beam structure 2, and a third sleeve 21 provided on the second connecting beam 19. Both the second sleeve 20 and the third sleeve 21 can mount the suspension bushing 12.

[0095] Among them, in combination with Figure 15 and Figure 16 as shown in, as a preferred embodiment, the first connecting beam 18 is in a "W" shape and has two mounting grooves arranged at intervals, and two second sleeves 20 are respectively arranged in the two mounting grooves. Among them, the structure of the first connecting beam 18 is the same as that of the mounting beam 14 in the first embodiment, and will not be described in detail here.

[0096] In addition, in combination with Figure 15 and Figure 17 as shown in, as a preferred embodiment, the second connecting beam 19 includes a main body in a "V" shape and a reinforcing body arranged at the top of the main body. The reinforcing body and the main body enclose a through hole, and the third sleeve 21 is arranged in the through hole. Among them, the structure of the second connecting beam 19 is the same as that of the mounting beam 14 described in the second embodiment, and will not be described in detail here.

[0097] It should be noted here that the structures of the above-mentioned first connecting beam 18 and second connecting beam 19 are only an optimal implementation manner. During specific implementation, the structures of the first connecting beam 18 and the second connecting beam 19 can also be adjusted accordingly according to design requirements.

[0098] In addition, this embodiment also relates to a vehicle, and the subframe as described above is provided on the vehicle.

[0099] The vehicle of this embodiment has all the beneficial effects of the above-mentioned subframe, and will not be described in detail here.

[0100] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A subframe, characterized in that: The frame body comprises two first beam structures (1) arranged opposite to each other in a first direction, and two second beam structures (2) arranged opposite to each other in a second direction; The two first beam structures (1) are each provided with a first mounting portion and a second mounting portion, the first mounting portion being used to mount a connecting member connected to the vehicle body, and the second mounting portion being capable of mounting a suspension bushing (12) connected to the powertrain; The two second beam structures (2) are each provided with a third mounting portion, and the third mounting portion is capable of mounting a suspension bushing (12) connected to a powertrain.

2. The subframe according to claim 1, characterized in that: The structures of the third mounting parts on the two second beam structures (2) are the same; The third mounting portion comprises a mounting beam (14) connected to the bottom of the second beam structure (2), and a first sleeve (16) provided on the mounting beam (14), wherein the first sleeve (16) is capable of mounting the suspension bushing (12).

3. The subframe according to claim 2, characterized in that: The mounting beam (14) is in a "W" shape and has two grooves arranged at intervals, and the first sleeve (16) is provided in each of the two grooves; or, The mounting beam (14) comprises a V-shaped main body portion (1401) and a reinforcing portion (1402) arranged on the top of the main body portion (1401), the reinforcing portion (1402) and the main body portion (1401) form a mounting hole, and the first sleeve (16) is arranged in the mounting hole.

4. The subframe according to claim 1, characterized in that: The structures of the third mounting parts on the two second beam structures (2) are different; The third mounting portion comprises a first connecting beam (18) connected to the bottom of the second beam structure (2), and two second sleeves (20) arranged on the first connecting beam (18) at intervals along the first direction; The other third mounting portion comprises a second connecting beam (19) connected to the bottom of the other second beam structure (2), and a third sleeve (21) provided on the second connecting beam (19), and both the second sleeve (20) and the third sleeve (21) are capable of mounting the suspension bushing (12).

5. The subframe according to claim 4, characterized in that: The first connecting beam (18) is in a "W" shape and has two installation grooves arranged at intervals, and the two second sleeves (20) are respectively arranged in the two installation grooves; and / or, The second connecting beam (19) comprises a V-shaped main body and a reinforcing body arranged on the top of the main body, the reinforcing body and the main body are surrounded to form a through hole, and the third sleeve (21) is arranged in the through hole.

6. The subframe according to claim 1, characterized in that: A third beam structure (15) is connected between the two first beam structures (1); The third beam structure (15) extends along the first direction, and a fourth sleeve (17) is provided on the third beam structure (15), and the fourth sleeve (17) can be used to install the suspension bushing (12).

7. The subframe according to any one of claims 1 to 6, characterized in that: The first beam structure (1) comprises a main beam (101) and a secondary beam (102) arranged at the bottom of the main beam (101), and the main beam (101) is connected to the second beam structure (2); The first mounting portion is arranged on the main beam (101), and the second mounting portion is arranged on the secondary beam (102).

8. The subframe according to claim 7, characterized in that: The two ends of the auxiliary beam (102) are connected to the main beam (101), the middle portion protrudes downward, and forms an installation space with the main beam (101); The second mounting portion comprises a fifth sleeve (4) arranged in the middle of the sub-beam (102), and a sixth sleeve (5) arranged at both ends of the sub-beam (102).

9. The subframe according to claim 8, characterized in that: The auxiliary beam (102) comprises a main body portion (1021) arranged at an interval above and below the main beam (101), and an inclined portion (1022) arranged between the main body portion (1021) and the main beam (101), and an inclined beam (7) is arranged between the main body portion (1021) and the inclined portion (1022) on each side; The fifth sleeve (4) is arranged between the inclined beams (7) on both sides and is connected to both the inclined beams (7) and the main body (1021); the second mounting portion includes a seventh sleeve (6) arranged at the intersection of the main body (1021) and the inclined portion (1022).

10. A vehicle, characterized in that: The vehicle is provided with the subframe according to any one of claims 1 to 9.

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