CN216331379U - Reinforcing structure of electric automobile passive side rear suspension mounting point - Google Patents
Reinforcing structure of electric automobile passive side rear suspension mounting point Download PDFInfo
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- CN216331379U CN216331379U CN202123296899.0U CN202123296899U CN216331379U CN 216331379 U CN216331379 U CN 216331379U CN 202123296899 U CN202123296899 U CN 202123296899U CN 216331379 U CN216331379 U CN 216331379U
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- rear suspension
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- electric automobile
- passive side
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Abstract
The utility model provides a reinforcing structure of a passive side rear suspension mounting point of an electric automobile, which comprises a rear suspension support, wherein the rear suspension support comprises a bending mounting plate and a connecting seat arranged on the mounting plate, the first end of the mounting plate abuts against the top of an auxiliary frame and is connected with the upper surface of the auxiliary frame through at least two first fastening pieces, and the second end of the mounting plate abuts against the front side of the auxiliary frame and is connected with the front side of the auxiliary frame through at least two second fastening pieces. The utility model can improve the passive side rear suspension mode, improve the vibration isolation capability and anti-resonance risk, strengthen the dynamic stiffness of the passive side rear suspension mounting point, inhibit the transmission of noise and vibration of an electric drive system to a passenger cabin, improve the noise and vibration in the vehicle and improve the NVH performance of the whole vehicle.
Description
Technical Field
The utility model relates to the technical field of rear suspension mounting points, in particular to a reinforcing structure of a passive side rear suspension mounting point of an electric automobile.
Background
With the vigorous development of new energy automobiles, customers put forward new requirements on NVH of electric automobiles; the rear suspension is used as a supporting part of the electric drive system and plays a role in attenuating vibration excitation of the electric drive system, and the vibration excitation frequency generated by the electric drive system is higher, so that the requirements on the low-frequency dynamic stiffness of the rear suspension bracket are met, and the requirements on the medium-frequency and high-frequency are met.
At present, the rear suspension mounting point on the existing automobile has low dynamic stiffness, and the low dynamic stiffness easily generates NVH risk, so that greater vibration and noise are generated in the automobile, and the experience of the automobile and passengers is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a reinforcing structure of a passive side rear suspension mounting point of an electric automobile, which can improve the passive side rear suspension mode, improve the vibration isolation capability and anti-resonance risk, strengthen the dynamic stiffness of the passive side rear suspension mounting point, inhibit the transmission of noise and vibration of an electric drive system to a passenger compartment, improve the noise and vibration in the automobile and improve the NVH (noise, vibration and harshness) performance of the whole automobile.
The embodiment of the utility model is realized by the following technical scheme:
the utility model provides a reinforced structure of suspension mounting point behind electric automobile passive side, includes back suspension support, back suspension support including be the mounting panel of buckling form with locate the connecting seat on the mounting panel, the first end of mounting panel offsets with the top of sub vehicle frame and is connected through two at least first fasteners with the upper surface of sub vehicle frame, the second end of mounting panel offsets with the front side of sub vehicle frame and is connected through two at least second fasteners with the front side of sub vehicle frame.
Optionally, the inside of sub vehicle frame is equipped with the reinforcement, the bottom of reinforcement and the bottom fixed connection of sub vehicle frame, the top of reinforcement offsets with the top of sub vehicle frame and passes through with the first end of mounting panel first fastener is connected, and the front side of reinforcement offsets with the front side of sub vehicle frame and passes through with the second end of mounting panel the second fastener is connected.
Optionally, the reinforcement includes a top plate, first support plates extending downward are disposed at front and rear ends of the top plate, second support plates extending downward are disposed at other two ends of the top plate, extension portions extending outward are disposed at bottom edges of the first support plates and the second support plates, and the extension portions are fixedly connected to a bottom of the auxiliary frame.
Optionally, two ends of the first support plate are provided with reinforcing support plates extending to the adjacent second support plate, and the reinforcing support plates are fixedly connected with the second support plates.
Optionally, the top plate, the first leg, the second leg, the extension, and the reinforcing leg are integrally formed.
Optionally, the connecting seat includes a connecting plate, the connecting plate is fixedly connected with the mounting plate, side plates perpendicular to the connecting plate are arranged at two ends of the connecting plate, and reinforcing rib plates are arranged outside the side plates.
Optionally, a connecting portion is arranged at one end, close to the mounting plate, of the reinforcing rib plate, and the connecting portion is connected with the mounting plate through the second fastening piece.
The utility model has at least the following advantages and beneficial effects: according to the utility model, the mounting points of the first fastener and the second fastener are respectively arranged on the top surface and the front side surface of the auxiliary frame and are not arranged in the same plane, so that a four-point connection structure in space is formed, the dynamic stiffness of the rear suspension mounting point on the driven side can be greatly enhanced, the transmission of noise and vibration of an electric drive system to a passenger compartment is inhibited, the noise and vibration in a vehicle are improved, the NVH performance of the whole vehicle is improved, meanwhile, the rear suspension mode on the driven side can be improved, and the vibration isolation capability and the resonance risk resistance are improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural diagram of a reinforcing structure of a passive side rear suspension mounting point of an electric vehicle according to the present invention;
FIG. 2 is a schematic diagram of an internal structure of a reinforcing structure of a passive side rear suspension mounting point of an electric vehicle according to the present invention;
FIG. 3 is an enlarged view of FIG. 2 at A;
FIG. 4 is a schematic structural view of a reinforcing member;
FIG. 5 is a schematic structural view of a rear suspension bracket;
icon: 10-rear suspension bracket, 11-mounting plate, 111-first end, 112-second end, 12-connecting seat, 121-connecting plate, 122-side plate, 123-reinforcing rib plate, 124-connecting part, 20-reinforcing part, 21-top plate, 22-first support plate, 221-extending part, 23-second support plate, 24-reinforcing support plate, 30-first fastening part, 40-second fastening part and 50-auxiliary frame.
Detailed Description
As shown in fig. 1 to 5, a reinforcing structure for a passive side rear suspension mounting point of an electric vehicle includes a rear suspension bracket 10, the rear suspension bracket 10 includes a mounting plate 11 having a bent shape and a connecting seat 12 disposed on the mounting plate 11, a first end 111 of the mounting plate 11 abuts against a top of a subframe 50 and is connected to an upper surface of the subframe 50 through at least two first fasteners 30, and a second end 112 of the mounting plate 11 abuts against a front side of the subframe 50 and is connected to the front side of the subframe 50 through at least two second fasteners 40.
In this embodiment, the first fastening member 30 and the second fastening member 40 can both select bolts, the first fastening member 30 and the second fastening member 40 are both two, and the mounting points of the first fastening member 30 and the second fastening member 40 are respectively located on the top surface and the front side surface of the subframe 50 and are not arranged in the same plane, so that a spatial four-point connection structure is formed, the dynamic stiffness of the mounting point of the passive side rear suspension can be greatly enhanced, the transmission of noise and vibration of an electric drive system to a passenger compartment is inhibited, the noise and vibration in the vehicle are improved, the NVH performance of the whole vehicle is improved, meanwhile, the mode of the passive side rear suspension can be improved, and the vibration isolation capability and the resonance risk resistance are improved.
The reinforcement 20 is arranged inside the subframe 50, the bottom of the reinforcement 20 is fixedly connected with the bottom of the subframe 50, the top of the reinforcement 20 abuts against the top of the subframe 50 and is connected with the first end 111 of the mounting plate 11 through the first fastening member 30, and the front side of the reinforcement 20 abuts against the front side of the subframe 50 and is connected with the second end 112 of the mounting plate 11 through the second fastening member 40.
Specifically, the reinforcement member 20 includes a top plate 21, the top plate 21 abuts against the top of the subframe 50 and is connected to the first end 111 of the mounting plate 11 by a first fastening member 30, the front and rear ends of the top plate 21 are provided with first supporting plates 22 extending downward, the first supporting plate 22 at the front end of the top plate 21 abuts against the front side of the subframe 50 and is connected to the second end 112 of the mounting plate 11 by a second fastening member 40; the other two ends of the top plate 21 are provided with second support plates 23 extending downwards, the bottom edges of the first support plate 22 and the second support plate 23 are both provided with extending portions 221 extending outwards, the extending portions 221 are fixedly connected with the bottom of the auxiliary frame 50 in a welding mode.
It should be noted that, in the present embodiment, the reinforcing member 20 is integrally formed in a box shape with an open bottom, the top plate 21 of the reinforcing member 20 supports the first end 111 of the mounting plate 11, the first support plate 22 of the reinforcing member 20 supports the second end 112 of the mounting plate 11, and meanwhile, the first fastening member 30 connects the first end 111 of the mounting plate 11, the top of the subframe 50 and the top plate 21 of the reinforcing member 20, and the second fastening member 40 connects the second section of the mounting plate 11, the front side of the subframe 50 and the first support plate 22 of the front side of the reinforcing member 20, which further increases the mounting rigidity of the rear suspension bracket 10, thereby better promoting the rear suspension mode of the passive side, improving the vibration isolation capability and the anti-resonance risk, suppressing the transmission of the noise and vibration of the electric drive system to the passenger compartment, improving the noise and vibration in the vehicle, and improving the NVH performance.
In this embodiment, the two ends of the first supporting plate 22 are provided with the reinforcing supporting plates 24 extending to the adjacent second supporting plate 23, the reinforcing supporting plates 24 are fixedly connected with the second supporting plate 23, and the fixing connection manner is welding, so that the structural rigidity of the reinforcing part 20 can be improved, and the supporting effect of the reinforcing part 20 can be ensured. It should be noted that, based on the above, it is obvious to those skilled in the art that in other embodiments of the present invention, the reinforcing plate 24 may be formed by extending the two ends of the second plate 23 to the adjacent first plate 22.
The top plate 21, the first support plate 22, the second support plate 23, the extension portion 221, and the reinforcing support plate 24 are integrally formed, and in practical application, the reinforcing member 20 is integrally formed by press molding, and then the top plate 21, the first support plate 22, the second support plate 23, the extension portion 221, and the reinforcing support plate 24 are formed by bending.
The connecting seat 12 comprises a connecting plate 121, the connecting plate 121 is fixedly connected with the mounting plate 11 in a welding mode, two ends of the connecting plate 121 are provided with side plates 122 perpendicular to the connecting plate 121, in the utility model, the connecting plate 121 and the side plates 122 are integrally formed to ensure the structural rigidity of the connecting plate, reinforcing rib plates 123 are arranged on the outer sides of the side plates 122 and are perpendicular to the side plates 122, and the dynamic rigidity of the rear suspension support 10 in the length direction of the auxiliary frame 50 can be improved.
Further, the one end that deep floor board 123 is close to mounting panel 11 is equipped with connecting portion 124, and connecting portion 124 is connected through second fastener 40 with mounting panel 11, and connecting portion 124 and deep floor board 123 are through bending or other mode integrated into one piece, connects mounting panel 11 through second fastener 40 moreover, guarantees the connection steadiness of connecting seat 12.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a reinforced structure of suspension mounting point behind electric automobile passive side which characterized in that: including rear suspension support (10), rear suspension support (10) including be mounting panel (11) of bending form and locate connecting seat (12) on mounting panel (11), first end (111) of mounting panel (11) are supported and are connected through two at least first fasteners (30) with the upper surface of sub vehicle frame (50) with the top of sub vehicle frame (50), second end (112) of mounting panel (11) are supported and are connected through two at least second fasteners (40) with the front side of sub vehicle frame (50) with the front side counterbalance of sub vehicle frame (50).
2. The reinforcing structure of the passive side rear suspension mounting point of the electric automobile according to claim 1, characterized in that: the inside of sub vehicle frame (50) is equipped with reinforcement (20), the bottom of reinforcement (20) and the bottom fixed connection of sub vehicle frame (50), the top of reinforcement (20) and the top of sub vehicle frame (50) are supported and are passed through with first end (111) of mounting panel (11) first fastener (30) are connected, the front side of reinforcement (20) and the front side of sub vehicle frame (50) are supported and are passed through with second end (112) of mounting panel (11) second fastener (40) are connected.
3. The reinforcing structure of the passive side rear suspension mounting point of the electric automobile according to claim 2, characterized in that: the reinforcing part (20) comprises a top plate (21), first support plates (22) extending downwards are arranged at the front end and the rear end of the top plate (21), second support plates (23) extending downwards are arranged at the other two ends of the top plate (21), extension parts (221) extending outwards are arranged on the bottom edges of the first support plates (22) and the second support plates (23), and the extension parts (221) are fixedly connected with the bottom of the auxiliary frame (50).
4. The reinforcing structure of the passive side rear suspension mounting point of the electric automobile according to claim 3, characterized in that: and reinforcing support plates (24) extending towards the adjacent second support plate (23) are arranged at two ends of the first support plate (22), and the reinforcing support plates (24) are fixedly connected with the second support plate (23).
5. The reinforcing structure of the passive side rear suspension mounting point of the electric automobile according to claim 4, characterized in that: the top plate (21), the first stay (22), the second stay (23), the extension (221), and the reinforcing stay (24) are integrally formed.
6. The reinforcing structure of the passive side rear suspension mounting point of the electric automobile according to any one of claims 1-5, characterized in that: the connecting seat (12) comprises a connecting plate (121), the connecting plate (121) is fixedly connected with the mounting plate (11), side plates (122) perpendicular to the connecting plate (121) are arranged at two ends of the connecting plate (121), and reinforcing rib plates (123) are arranged on the outer sides of the side plates (122).
7. The reinforcing structure of the passive side rear suspension mounting point of the electric automobile according to claim 6, characterized in that: one end, close to the mounting plate (11), of the reinforcing rib plate (123) is provided with a connecting portion (124), and the connecting portion (124) is connected with the mounting plate (11) through the second fastening piece (40).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123296899.0U CN216331379U (en) | 2021-12-23 | 2021-12-23 | Reinforcing structure of electric automobile passive side rear suspension mounting point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123296899.0U CN216331379U (en) | 2021-12-23 | 2021-12-23 | Reinforcing structure of electric automobile passive side rear suspension mounting point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216331379U true CN216331379U (en) | 2022-04-19 |
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ID=81164951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123296899.0U Active CN216331379U (en) | 2021-12-23 | 2021-12-23 | Reinforcing structure of electric automobile passive side rear suspension mounting point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216331379U (en) |
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2021
- 2021-12-23 CN CN202123296899.0U patent/CN216331379U/en active Active
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