Suspension system and vehicle

Abstract

The utility model provides a suspension system and a vehicle, the suspension system comprises a front suspension unit, a rear suspension unit and a suspension support; the front suspension unit comprises two front suspensions which are oppositely arranged on vehicle body longitudinal beams on the two sides, and the rear suspension unit comprises two rear suspensions which are oppositely arranged on the left side and the right side of the auxiliary frame; the two suspension supports are oppositely arranged left and right, the front end and the rear end of the suspension support on each side are connected with the front suspension and the rear suspension on the corresponding side respectively, and installation parts connected with a power assembly are arranged on the suspension supports. According to the suspension system, the front suspension and the rear suspension are both located on the left side and the right side of the power assembly, so that the situation that energy absorption space is occupied when the suspensions are arranged right in front of and right behind the power assembly can be avoided, and the deformation amount of a front wall plate and the deformation degree of a passenger compartment during offset collision can be reduced; and the collision performance of the whole vehicle is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle parts, and in particular to a suspension system. Meanwhile, the utility model also relates to a vehicle provided with the suspension system. Background Art

[0002] For the collision performance of automobiles, offset collision has always been a difficult point in scoring. The vehicle body may undergo large deformation under offset collision conditions, thereby causing serious personal injury to the occupants. Therefore, the layout and structure of the vehicle body need to be optimized to control the intrusion of the front wall panel and the deformation of the passenger compartment during offset collision.

[0003] In addition, for electric vehicles, the powertrain suspension system is an indispensable and important component that connects the powertrain to the vehicle body. It mainly supports and positions the powertrain and isolates vibration transmission. However, the existing suspension system is limited by its own structure. After being arranged on the vehicle body, it often occupies part of the energy absorption space in the front cabin, resulting in a large degree of intrusion of the front wall panel and deformation of the passenger compartment during an offset collision, thereby affecting the collision performance of the vehicle. Utility Model Content

[0004] In view of this, the utility model aims to provide a suspension system to improve the energy absorption space of the front cabin and enhance the collision performance of the vehicle.

[0005] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0006] A suspension system comprises a front suspension unit, a rear suspension unit and a suspension bracket;

[0007] The front suspension unit includes two front suspensions relatively arranged on the longitudinal beams of the vehicle body on both sides, and the rear suspension unit includes two rear suspensions relatively arranged on the left and right sides of the subframe;

[0008] The two suspension brackets are arranged opposite to each other on the left and right sides, and the front and rear ends of the suspension bracket on each side are respectively connected to the front suspension and the rear suspension on the corresponding side, and a mounting portion for mounting a powertrain is provided on the suspension bracket.

[0009] Furthermore, the front end of the suspension bracket is provided with a connecting column protruding along the left-right direction of the vehicle, and the connecting column is connected to the front suspension; and / or,

[0010] A connecting hole is provided at the rear end of the suspension bracket, and the suspension bracket is connected to the rear suspension through the connecting hole.

[0011] Furthermore, the connecting column is provided with a threaded hole, and the connecting column is connected to the front suspension by bolts, and / or,

[0012] The connecting hole is a threaded hole arranged on the suspension bracket.

[0013] Furthermore, the subframe includes a front crossbeam, a rear crossbeam, and a subframe longitudinal beam connected between the left and right ends of the front crossbeam and the rear crossbeam;

[0014] The two rear suspensions are respectively arranged on the auxiliary frame longitudinal beams on the corresponding sides.

[0015] Furthermore, a sleeve is provided on the top of each of the auxiliary frame longitudinal beams, and the rear suspension on each side is respectively press-fitted into the sleeve on the corresponding side.

[0016] Furthermore, the axial directions of the front suspension and the rear suspension are arranged along the left-right direction of the vehicle.

[0017] Furthermore, the suspension bracket has a main arm and a support arm connected to the main arm, and the support arm is arranged close to one end of the main arm and forms an obtuse angle with the main arm;

[0018] The mounting portion is provided on both the main arm and the support arm.

[0019] Furthermore, the mounting portion is a mounting hole, and at least one mounting hole is provided on each of the main arm and the support arm.

[0020] Compared with the prior art, the utility model has the following advantages:

[0021] The suspension system described in the utility model is such that the front suspension is arranged on the longitudinal beams of the vehicle body on both sides, and the rear suspension is arranged on the left and right sides of the subframe, and the powertrain is connected to the front suspension and the rear suspension on the corresponding sides through the suspension brackets on the left and right sides. After the assembly is completed, the front suspension and the rear suspension are both located on the left and right sides of the powertrain, thereby avoiding the encroachment on the energy absorption space when the suspension is arranged in front of and behind the powertrain, which is beneficial to reducing the deformation of the front wall plate and the deformation degree of the passenger compartment during offset collision, thereby improving the collision performance of the whole vehicle.

[0022] In addition, by providing a connecting column, it is convenient to connect the suspension bracket with the front suspension, and by providing a connecting hole, it is convenient to connect the suspension bracket with the rear suspension, and the connecting column and the connecting hole have simple structures and are easy to arrange. In addition, by providing a threaded hole on the connecting column, it is convenient to connect the suspension bracket with the front suspension by bolts, and by making the connecting hole a threaded hole, it is convenient to connect the suspension bracket with the rear suspension by bolts, and the connection structure is simple and the connection operation is convenient.

[0023] In addition, the subframe includes a front crossbeam, a rear crossbeam and a subframe longitudinal beam, and the rear suspension is arranged on the subframe longitudinal beam, so the structure is simple and easy to arrange and implement. And by arranging a sleeve on the subframe longitudinal beam and pressing the rear suspension into the sleeve, the arrangement of the rear suspension is convenient, and the connection between the suspension bracket and the rear suspension is also convenient.

[0024] Secondly, by arranging the main arm and the support arm of the suspension bracket at an obtuse angle, it is convenient to make the main arm and the support arm fit the side wall of the power assembly, and it is convenient to connect the main arm and the support arm with the power assembly, and the structure is simple and easy to set up. In addition, by providing mounting holes on both the main arm and the support arm, the connection structure is simple and it is conducive to ensuring the connection strength between the suspension bracket and the power assembly.

[0025] Another object of the present invention is to provide a vehicle, wherein the vehicle is provided with the suspension system as described above, and a powertrain connected to the suspension bracket.

[0026] Furthermore, in the front-to-rear direction of the vehicle, the front end of the power assembly is arranged to protrude forwardly relative to the suspension bracket, and the rear end of the power assembly is arranged to protrude backwardly relative to the suspension bracket.

[0027] The vehicle described in the utility model is provided with the above-mentioned suspension system, which is beneficial to reducing the intrusion of the front wall plate and the deformation degree of the passenger compartment during an offset collision of the vehicle, thereby improving the crash resistance of the entire vehicle body and the offset collision condition score.

[0028] In addition, by making the front end of the powertrain convex relative to the suspension bracket and making the rear end of the powertrain convex relative to the suspension bracket, the suspension bracket can be avoided from having a cantilever structure, which is beneficial to improving the setting stability of the suspension bracket. At the same time, it can also prevent the suspension bracket from invading the energy absorption space, which is beneficial to ensuring the collision performance of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0030] Figure 1 It is a structural schematic diagram of the suspension system according to an embodiment of the utility model;

[0031] Figure 2 It is a structural schematic diagram of the auxiliary frame according to an embodiment of the utility model;

[0032] Figure 3 It is a structural schematic diagram of the suspension bracket and the power assembly according to an embodiment of the utility model;

[0033] Figure 4It is a top view of the suspension system described in an embodiment of the utility model.

[0034] Description of reference numerals:

[0035] 1. Front suspension; 2. Rear suspension; 3. Vehicle body longitudinal beam; 4. Suspension bracket; 401. Main arm; 402. Support arm; 5. Subframe; 501. Front cross beam; 502. Rear cross beam; 503. Subframe longitudinal beam; 504. Reinforcement beam; 505. Intermediate beam; 6. Connecting column; 7. Connecting hole; 8. Casing; 9. Powertrain; 10. Mounting hole. DETAILED DESCRIPTION

[0036] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0037] In the description of the utility model, it should be noted that the directional words such as "up, down, left, right, front, and back" used in the present embodiment are defined based on the up-down direction, left-right direction, and front-back direction of the automobile. Among them, the up-down direction of the automobile is also the height direction of the automobile, the front-back direction of the automobile is also the length direction of the automobile, and the left-right direction of the automobile is also the width direction of the automobile. In addition, the terms "first" and "second" are used only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0038] In addition, in the description of the present invention, unless otherwise clearly defined, the terms "installation", "connection", "connection", and "connector" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood in combination with specific circumstances.

[0039] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0040] Embodiment 1

[0041] This embodiment relates to a suspension system, the overall structure of which is as follows: Figure 1 As shown in the figure, the suspension system includes a front suspension unit, a rear suspension unit and a suspension bracket 4. The front suspension unit includes two front suspensions 1 relatively arranged on the longitudinal beams 3 of the vehicle body on both sides, and the rear suspension unit includes two rear suspensions 2 relatively arranged on the left and right sides of the subframe 5. There are two suspension brackets 4 arranged relatively on the left and right sides, and the front and rear ends of the suspension brackets 4 on each side are respectively connected to the front suspension 1 and the rear suspension 2 on the corresponding side, and a mounting portion for mounting the powertrain 9 is provided on the suspension bracket 4.

[0042] The suspension system of this embodiment is such that the front suspension 1 is arranged on the vehicle body longitudinal beams 3 on both sides, and the rear suspension 2 is arranged on the left and right sides of the subframe 5, and the powertrain 9 is connected to the front suspension 1 and the rear suspension 2 on the corresponding sides through the suspension brackets 4 on the left and right sides. After assembly, the front suspension 1 and the rear suspension 2 are both located on the left and right sides of the powertrain 9, thereby avoiding the encroachment on the energy absorption space when the suspension is arranged directly in front of and behind the powertrain 9, which is beneficial to reducing the deformation of the front wall panel and the deformation degree of the passenger compartment during offset collision, thereby improving the collision performance of the entire vehicle.

[0043] Based on the above overall introduction, as a preferred implementation method, Figure 1 and Figure 3 As shown in , in this embodiment, the front end of the suspension bracket 4 is provided with a connecting column 6 protruding along the left and right direction of the vehicle, and the connecting column 6 is connected to the front suspension 1. The rear end of the suspension bracket 4 is provided with a connecting hole 7, and the suspension bracket 4 is connected to the rear suspension 2 through the connecting hole 7. The connection column 6 is provided to facilitate the connection between the suspension bracket 4 and the front suspension 1, and the connection hole 7 is provided to facilitate the connection between the suspension bracket 4 and the rear suspension 2, and the connecting column 6 and the connecting hole 7 are simple in structure and convenient to arrange.

[0044] Of course, in the present embodiment, the suspension bracket 4 is connected to the front suspension 1 through the connecting column 6, and the suspension bracket 4 is connected to the rear suspension 2 through the connecting hole 7, which is only a preferred implementation. In addition, in other embodiments, the suspension bracket 4 can also be connected to the front suspension 1 through other structures, or the suspension bracket 4 can be connected to the rear suspension 2 through other structures, such as the suspension bracket 4 can be connected to the front suspension 1 through the connecting hole 7, or the suspension bracket 4 can be connected to the rear suspension 2 through the connecting column 6.

[0045] In order to facilitate the connection between the suspension bracket 4 and the front suspension 1 and the rear suspension 2, as a preferred embodiment, as shown in FIG6, in this embodiment, a threaded hole is provided on the connection column 6, and the connection column 6 is connected to the front suspension 1 by bolts. The connection hole 7 is a threaded hole provided on the suspension bracket 4. By providing the threaded hole on the connection column 6, it is convenient to connect the suspension bracket 4 with the front suspension 1 by bolts, and by making the connection hole 7 a threaded hole, it is convenient to connect the suspension bracket 4 with the rear suspension 2 by bolts, and the connection structure is simple and the connection operation is convenient.

[0046] It should be noted that, in the present embodiment, a threaded hole is provided on the connecting column 6, and the connecting hole 7 is also a threaded hole, and the connecting bracket is connected to the front suspension 1 and the rear suspension 2 by bolts, which is only a preferred implementation method. In addition, in other embodiments, other structures can be provided on the connecting column 6, or the connecting hole 7 can be provided in other forms, so as to facilitate the connection between the suspension bracket 4 and the front suspension 1 and the rear suspension 2.

[0047] As a preferred implementation method, Figure 2 As shown in the figure, in this embodiment, the subframe 5 includes a front crossbeam 501, a rear crossbeam 502, and a subframe longitudinal beam 503 connected between the left and right ends of the front crossbeam 501 and the rear crossbeam 502. The two rear suspensions 2 are respectively arranged on the subframe longitudinal beams 503 on the corresponding sides. Such an arrangement has a simple structure and is easy to arrange and implement.

[0048] In addition, in order to facilitate the arrangement of the rear suspension 2 and the auxiliary frame longitudinal beam 503, as a preferred embodiment, Figure 2 As shown in , the top of each subframe longitudinal beam 503 is provided with a sleeve 8, and each side rear suspension 2 is respectively press-fitted into the sleeve 8 of the corresponding side. Such an arrangement facilitates the arrangement of the rear suspension 2 and also facilitates the connection between the suspension bracket 4 and the rear suspension 2.

[0049] In addition, as preferably, in the present embodiment, the sleeve 8 is arranged at one end of the sub-frame longitudinal beam 503 close to the rear cross beam 502, and the rear cross beam 502 is in an arch shape arched toward the side of the front cross beam 501, and a reinforcing beam 504 is provided between the rear cross beam 502 and each side sub-frame longitudinal beam 503, and the reinforcing beam 504, the sub-frame longitudinal beam 503 and the rear cross beam 502 form a triangle.

[0050] By making the rear cross beam 502 arched, the strength of the rear cross beam 502 is improved, and the reinforcing beam 504, the auxiliary frame longitudinal beam 503 and the rear cross beam 502 are formed into a triangle, so as to utilize the strong strength of the arched and triangular structures to improve the structural strength of the location where the sleeve 8 is set, thereby facilitating the connection stability between the suspension bracket 4 and the rear suspension 2. Figure 2 As shown in FIG, a middle beam 505 connecting the sub-frame longitudinal beams 503 on both sides is further provided at the middle position in the length direction of the sub-frame longitudinal beam 503 , so as to further improve the structural strength of the sub-frame 5 .

[0051] As a preferred implementation method, Figure 1 As shown in , in this embodiment, the axial directions of the front suspension 1 and the rear suspension 2 are arranged along the left-right direction of the vehicle. Such an arrangement facilitates the connection between the front suspension 1 and the rear suspension 2 and the suspension bracket 4. In addition, as a preferred embodiment, in this embodiment, the suspension bracket 4 has a main arm 401, and a support arm 402 connected to the main arm 401, and the support arm 402 is arranged close to one end of the main arm 401, and the angle between the support arm 402 and the main arm 401 is obtuse. Both the main arm 401 and the support arm 402 are provided with a mounting portion. By arranging the main arm 401 and the support arm 402 of the suspension bracket 4 at an obtuse angle, it is convenient to make the main arm 401 and the support arm 402 fit the side wall of the powertrain 9, which facilitates the connection between the main arm 401 and the support arm 402 and the powertrain 9, and the structure is simple and easy to set up.

[0052] As a preference, the mounting portion may be a mounting hole 10, and at least one mounting hole 10 is provided on each of the main arm 401 and the support arm 402. Figure 3 As shown in the figure, in this embodiment, one mounting hole 10 is provided on the main arm 401, and three mounting holes 10 are provided on the support arm 402, so that the connection strength between the suspension bracket 4 and the power assembly 9 can be ensured. In the specific implementation, the connection between the suspension bracket 4 and the power assembly 9 can be implemented by passing the bolts through the mounting holes 10 and connecting with the power assembly 9. In addition, in other embodiments, the mounting holes 10 on the main arm 401 and the support arm 402 can also be set to other numbers, such as two, three, four, five, six, etc.

[0053] It should also be noted that, in this embodiment, a connecting rod extending in the left-right direction may be connected between the left and right suspension brackets 4 to further improve the rigidity of the vehicle body and the subframe 5, and improve the operational stability of the vehicle during driving. In addition, the above-mentioned subframe 5 may be specifically the front subframe of the vehicle, so that after the suspension system of this embodiment is set, the occupation of the energy absorption space of the front cabin can be reduced, and the offset collision working condition score of the vehicle can be improved. In addition, the structures of the above-mentioned front suspension 1 and rear suspension 2 can be set with reference to the structure of the suspension bushing commonly used in the prior art, and will not be described in detail here.

[0054] The suspension system of this embodiment, by locating the front suspension 1 and the rear suspension 2 on the left and right sides of the power assembly 9, and the power assembly 9 is connected to the front suspension 1 and the rear suspension 2 on both sides through the suspension brackets 4 on both sides, can avoid the occupation of the energy absorption space when the suspension is arranged in front of and behind the power assembly 9, which is conducive to reducing the deformation of the front wall plate and the deformation degree of the passenger compartment during offset collision, and improving the collision performance of the whole vehicle. In addition, the connection structure between the suspension bracket 4 and the front suspension 1, the rear suspension 2 and the power assembly 9 is simple, easy to operate, and easy to set up and implement.

[0055] Embodiment 2

[0056] This embodiment relates to a vehicle, which is provided with the suspension system of the first embodiment and a powertrain 9 connected to the suspension bracket 4. The vehicle of this embodiment, by being provided with the suspension system of the first embodiment, is conducive to reducing the intrusion amount of the front wall plate and the deformation degree of the passenger compartment during an offset collision of the vehicle, thereby improving the crashworthiness of the vehicle body and the offset collision condition score.

[0057] In addition, as preferably, Figure 4As shown in the figure, in the embodiment, in the front-rear direction of the vehicle, the front end of the power assembly 9 is arranged to be convex relative to the suspension bracket 4, and the rear end of the power assembly 9 is arranged to be convex relative to the suspension bracket 4. In this way, the suspension bracket 4 can be prevented from having a cantilever structure, which is conducive to improving the setting stability of the suspension bracket 4, and at the same time, the suspension bracket 4 can be prevented from invading the energy absorption space, which is conducive to ensuring the collision performance of the vehicle.

[0058] The vehicle of this embodiment is provided with the suspension system of the first embodiment, and the front end of the powertrain 9 is arranged to be convex relative to the suspension bracket 4, and the rear end of the powertrain 9 is arranged to be convex relative to the suspension bracket 4, which is beneficial for the crumple space in the front part of the front subframe 5 to achieve better collision energy absorption, thereby improving the crash resistance of the vehicle body and the offset collision condition score.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A suspension system, characterized in that: It comprises a front suspension unit, a rear suspension unit and a suspension bracket (4); The front suspension unit comprises two front suspensions (1) arranged relatively on the longitudinal beams (3) of the vehicle body on both sides, and the rear suspension unit comprises two rear suspensions (2) arranged relatively on the left and right sides of the subframe (5); The suspension brackets (4) are two and arranged opposite to each other on the left and right sides, and the front and rear ends of the suspension brackets (4) on each side are respectively connected to the front suspension (1) and the rear suspension (2) on the corresponding side, and a mounting portion for mounting a powertrain (9) is provided on the suspension brackets (4).

2. The suspension system according to claim 1, characterized in that: The front end of the suspension bracket (4) is provided with a connecting column (6) protruding in the left-right direction of the vehicle, and the connecting column (6) is connected to the front suspension (1); and / or, A connecting hole (7) is provided at the rear end of the suspension bracket (4), and the suspension bracket (4) is connected to the rear suspension (2) via the connecting hole (7).

3. The suspension system according to claim 2, characterized in that: The connecting column (6) is provided with a threaded hole, and the connecting column (6) is connected to the front suspension (1) by bolts, and / or, The connection hole (7) is a threaded hole provided on the suspension bracket (4).

4. The suspension system according to claim 1, characterized in that: The subframe (5) comprises a front crossbeam (501), a rear crossbeam (502), and a subframe longitudinal beam (503) connected between left and right ends of the front crossbeam (501) and the rear crossbeam (502); The two rear suspensions (2) are respectively arranged on the auxiliary frame longitudinal beams (503) on corresponding sides.

5. The suspension system according to claim 4, characterized in that: A sleeve (8) is provided on the top of each auxiliary frame longitudinal beam (503), and the rear suspension (2) on each side is respectively press-fitted into the sleeve (8) on the corresponding side.

6. The suspension system according to claim 1, characterized in that: The axial directions of the front suspension (1) and the rear suspension (2) are both arranged along the left-right direction of the vehicle.

7. The suspension system according to claim 1, characterized in that: The suspension bracket (4) comprises a main arm (401) and a support arm (402) connected to the main arm (401), and the support arm (402) is arranged close to one end of the main arm (401) and the included angle between the support arm (402) and the main arm (401) is an obtuse angle; The main arm (401) and the support arm (402) are both provided with the mounting portion.

8. The suspension system according to claim 7, characterized in that: The mounting portion is a mounting hole (10), and at least one mounting hole (10) is provided on each of the main arm (401) and the support arm (402).

9. A vehicle, characterized in that: The vehicle is provided with a suspension system as claimed in any one of claims 1 to 8, and a powertrain (9) connected to the suspension bracket (4).

10. The vehicle according to claim 9, characterized in that: In the front-to-rear direction of the vehicle, the front end of the power assembly (9) is arranged to protrude forward relative to the suspension bracket (4), and the rear end of the power assembly (9) is arranged to protrude backward relative to the suspension bracket (4).

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