New energy power suspension support

By optimizing the material and structural design of the suspension brackets for new energy vehicles, the problems of poor assembly performance, heavy weight, and low modal performance have been solved, achieving lightweighting of the suspension brackets and improvement of NVH performance, thus promoting the overall performance improvement of new energy vehicles.

CN223520617UActive Publication Date: 2025-11-07DONGFENG PRECISION CASTING CO LTD
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Patent Information

Application Number
CN202423091168.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-11-07
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

Existing suspension brackets for new energy vehicles suffer from poor assembly performance, heavy weight, and low modal performance, which affect the vehicle's power, economy, and NVH performance.

Method used

Using lightweight, high-strength materials and with an optimized cantilever support design, the system ensures effective transmission of power and gravity through features such as threaded holes for arm mounting, smooth holes for motor mounting, weight-reduction holes, and reinforcing ribs. This enhances structural strength and modal performance, and reduces resonant frequency.

Benefits of technology

Significantly reduces the weight and cost of suspension brackets, improves the NVH performance and stability of the whole vehicle, and promotes the lightweight and high-efficiency development of new energy vehicles.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520617U_ABST
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Abstract

The utility model discloses a new energy power suspension support, which belongs to the technical field of new energy automobile suspension supports and comprises a cantilever support body, and a support arm mounting boss is arranged in the middle of the left end of the cantilever support body. Supporting arm mounting threaded holes are formed in the front side and the rear side of the left end of the cantilever support body and the front side and the rear side of the supporting arm mounting boss correspondingly, interference-preventing rib plates are arranged in the middle and the right end of the upper surface of the cantilever support body correspondingly, and motor mounting unthreaded holes are formed in the front side and the rear side of the right end of the cantilever support body correspondingly. The number of the motor mounting unthreaded holes is four; according to the novel suspension support, material selection and structural design are optimized, light and high-strength materials are adopted, the dead weight of the support is remarkably reduced, meanwhile, the bearing capacity of the support is enhanced, in addition, through the modal characteristics of the optimized design, the resonance frequency is reduced, the NVH performance is improved, and noise and vibration of a whole vehicle in the running process are effectively restrained.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to new energy automobile suspension support technical field, concretely relates to a new energy power suspension support. BACKGROUND

[0002] The new energy suspension support is a key component connecting the reducer and the motor (power assembly), and its main function is to firmly fix the power assembly on the vehicle frame to ensure the stability of the power assembly during vehicle driving and prevent falling. At the same time, the design of the suspension support needs to consider factors such as weight and modal to improve the power performance, economy and NVH (noise, vibration and roughness) performance of the whole vehicle.

[0003] The current suspension support mostly adopts a stamping and welding process. Although this process has advantages in some aspects, it also has many disadvantages. First, the assembly performance of the stamping and welding part is relatively poor, which may lead to poor docking or unstable fixation during actual use. This problem not only affects the performance of the power assembly, but also may cause safety hazards. Second, the existing suspension support is generally heavy, which poses a challenge to the energy efficiency of the whole vehicle, especially in new energy vehicles, lightweight is an important target to improve endurance and efficiency. In addition, the modal performance of the existing suspension support is low, which is easy to cause resonance phenomenon, thereby affecting the comfort and stability of the vehicle.

[0004] Therefore, we propose a new energy power suspension support. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new energy power suspension support, which aims to solve the deficiencies brought by traditional stamping and welding parts. The new suspension support is optimized in material selection and structural design, adopts lightweight high-strength materials, significantly reduces the self-weight of the support, and at the same time enhances its carrying capacity. In addition, through the optimization of modal characteristics, the resonance frequency is reduced, the NVH performance is improved, and the noise and vibration of the whole vehicle during driving are effectively inhibited.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a new energy power suspension support, comprising a cantilever support body, a support arm mounting boss is arranged in the middle of the left end of the cantilever support body, support arm mounting threaded holes are arranged in the inside of the front and back of the left end of the cantilever support body and the front and back of the inside of the support arm mounting boss, interference rib plates are arranged on the middle and right end of the upper surface of the cantilever support body, motor mounting light holes are arranged in the inside of the front and back of the right end of the cantilever support body, and four motor mounting light holes are arranged, bolt contact surfaces are arranged on the front and back of the right end of the lower surface of the cantilever support body, and weight reduction holes are arranged in the middle of the cantilever support body, and four weight reduction holes are arranged.

[0007] Preferably, the front end of the upper surface of the cantilever support body is provided with an outer reinforcing rib, and the middle part of the lower surface of the cantilever support body is provided with an X-shaped reinforcing rib.

[0008] Preferably, the inner walls of the front and rear sides of the lower surface of the cantilever support body are respectively provided with vertical rib one and vertical rib two, and the middle part of the right end of the lower surface of the cantilever support body is provided with a horizontal rib.

[0009] Compared with the prior art, the utility model has the beneficial effects that:

[0010] The new energy power suspension support, through the design of the threaded hole and the motor mounting light hole on the cantilever support arm, ensures the effective transmission of power and gravity, reduces unnecessary weight through the design of the weight reduction hole, improves the economy of the support, and ensures the effective transmission of power and gravity through the design of multiple reinforcing ribs, and enhances the strength and rigidity of the overall structure of the support, so that the design of the new energy power suspension support comprehensively considers mechanical transmission, weight control, structure optimization and NVH performance and other aspects, forms an efficient, stable and economical whole vehicle power system support scheme, through the accurate hole position design, weight reduction scheme, structure strengthening and damping design, not only improves the performance of the support itself, but also promotes the improvement of the overall performance of the new energy vehicle, meets the demand of future new energy vehicles for high efficiency and low carbon emission. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is the first three-dimensional structure schematic view of the utility model;

[0012] Figure 2 It is the second three-dimensional structure schematic view of the utility model.

[0013] In the drawing: 1, cantilever support body; 2, arm mounting boss; 3, arm mounting threaded hole; 4, interference avoidance rib plate; 5, motor mounting light hole; 6, weight reduction hole; 7, outer reinforcing rib; 8, X-shaped reinforcing rib; 9, vertical rib one; 10, vertical rib two; 11, horizontal rib; 12, bolt contact surface. DETAILED DESCRIPTION

[0014] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0015] EMBODIMENT

[0016] Please refer to Figure 1 -Figure 2 The utility model provides a new energy power suspension support, including cantilever support main part 1, the left end middle part of cantile part 1 is provided with the support arm mounting boss 2, and the inside of the front and rear two sides of the left end of cantilever support main part 1 and the inside of the front and rear two sides of support arm mounting boss 2 are all seted up support arm mounting thread hole 3, through the setting of four groups of support arm mounting thread hole 3, can connect cantilever support main part 1 with support arm, then support arm passes through the end face of support arm mounting boss 2 and is fixed with the vehicle body again, thereby stably installs power suspension support on the vehicle body, and ensures that each item mechanical load can be effectively transmitted to the vehicle body structure, this design scheme not only considers the installation convenience, also ensures the mechanical transmission stability between support and vehicle body,

[0017] The middle part and the right end of the upper surface of cantilever support main part 1 are provided with interference-avoiding rib plates 4, and the inside of the front and rear two sides of the right end of cantilever support main part 1 is provided with motor mounting light hole 5, and the motor mounting light hole 5 is provided with four, through the accurate arrangement of these hole positions, the motor can be fixed on the support and constrain its six degrees of freedom, ensure that the motor does not occur positional deviation in the working process, thereby guaranteeing the stable operation of motor power system, in addition, the design of support ingeniously avoids the shape of motor shell, avoids the interference between motor shell and support, avoids potential structural conflict or installation difficulty, in the design of support, the design of two groups of interference-avoiding rib plates 4 ensures that there is enough space between the support and the motor shell, avoids interference due to shape conflict or assembly error, the front end of the upper surface of cantilever support main part 1 is provided with an outside reinforcing rib 7.

[0018] It should be noted that, in order to realize the effective force transmission between the motor and the vehicle body, the four groups of support arm mounting thread holes 3 are connected with the hole positions of the four groups of motor mounting light holes 5 through the outside reinforcing rib 7, thereby ensuring the effective transmission of electric power and gravity, the fixing of the bolt and the matching design of the hole position make the connection of the power system and the vehicle body more firm, can withstand large amplitude vibration and impact load, ensure the stability and safety of the vehicle under various working conditions.

[0019] The front and rear sides of the right end of the lower surface of cantilever support main part 1 are provided with bolt contact surfaces 12, and the boss design of the bolt contact surface 12 ensures the stability of the fixed bolt contact surface 12, prevents the contact surface from loosening or being damaged due to long-term use or uneven stress, which further enhances the reliability and durability of the suspension support, ensures that the motor and the support can operate stably for a long time under high-strength working conditions.

[0020] The middle part of the cantilever support body 1 is provided with four weight reduction holes 6, and the design of the four groups of weight reduction holes 6 optimizes the support material and structure, reduces unnecessary weight, and improves the economy of the support. This design not only reduces the quality of the suspension support itself, but also reduces the total mass of the vehicle, thereby reducing energy consumption and improving the fuel economy of the vehicle, in line with the lightweight and high-efficiency design concept of new energy vehicles.

[0021] The middle part of the lower surface of the cantilever support body 1 is provided with an X-shaped reinforcing rib 8, and the inner walls of the front and rear sides of the lower surface of the cantilever support body 1 are respectively provided with vertical rib one 9 and vertical rib two 10. The design of the X-shaped reinforcing rib 8, the vertical rib one 9 and the vertical rib two 10 can reconfigure the bolt hole and strengthen the connection between the support and the motor system, ensure the effective transmission of power and gravity, and enhance the strength and rigidity of the overall structure of the support. These designs not only ensure the reliability of the connection, but also effectively withstand the complex load from the motor and the vehicle body, improve the durability of the support in long-term use;

[0022] The middle part of the right end of the lower surface of the cantilever support body 1 is provided with a horizontal rib 11. The design of the horizontal rib 11 not only improves the overall rigidity of the suspension support, but also optimizes the modal characteristics of the support and improves the NVH (Noise, Vibration and Harshness) performance of the vehicle. By enhancing the modal performance of the support, the vibration response of the vehicle during driving is effectively suppressed, providing a smoother driving experience.

[0023] Through the above structural optimization design, this support realizes the remarkable effect of 21% modal improvement, 30% weight reduction and 15% cost reduction. These improvements not only enhance the overall performance of the motor suspension support, ensure the safety and stability of the motor assembly, but also provide an effective solution for the lightweight and cost control of new energy vehicles, promoting the technological progress of the electric vehicle industry.

[0024] The utility model discloses a working principle and use flow: through setting four groups of branch arm installation threaded hole 3 and fixed bolt connect cantilever support main part 1 with branch arm, then branch arm passes through the end surface of branch arm installation boss 2 and car body fixed, to power suspension support firmly installs on the car body, then passes four groups of motor installation light hole 5 and motor power system are connected together, so that motor can be fixed on the support and restrain its six degrees of freedom, ensure that motor does not occur positional deviation in the working process, then through outside stiffener 7 makes branch arm installation threaded hole 3's hole position and motor installation light hole 5's hole position connection, so that power system and car body connection are more fastening, can bear the vibration and impact load of large amplitude, ensure the stability and safety of vehicle under various working conditions, then still can pass through X type stiffener 8, vertical rib 9 and vertical rib 10 to reconfigure bolt hole and strengthen the connection between support and motor system, ensure the effective transmission of electric power and gravity, and enhance the strength and rigidity of support overall structure, improve the durability of support in long time use, finally, bolt contact surface 12 makes the stability of bolt installation, prevents the contact surface loosening or damage possibly due to long time use or uneven stress, ensures that motor and support can long-term stable operation under high strength working condition.

[0025] Although the embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A new energy power suspension support, comprising a cantilever support body (1), characterized in that: The left end of the cantilever support body (1) is provided with a support arm mounting boss (2), the inside of the front and back of the left end of the cantilever support body (1) and the inside of the front and back of the support arm mounting boss (2) are provided with support arm mounting threaded holes (3), the middle and right end of the upper surface of the cantilever support body (1) are provided with interference avoiding rib plates (4), the inside of the front and back of the right end of the cantilever support body (1) are provided with motor mounting light holes (5), the motor mounting light holes (5) are provided with four, the front and back of the right end of the lower surface of the cantilever support body (1) are provided with bolt contact surfaces (12), the middle of the cantilever support body (1) is provided with weight reducing holes (6), and the weight reducing holes (6) are provided with four.

2. The new energy power suspension support according to claim 1, characterized in that: The front end of the upper surface of the cantilever support body (1) is provided with an outside reinforcing rib (7), and the middle of the lower surface of the cantilever support body (1) is provided with an X-shaped reinforcing rib (8).

3. The new energy power suspension support according to claim 1, characterized in that: The inside walls of the front and back of the lower surface of the cantilever support body (1) are respectively provided with vertical ribs one (9) and vertical ribs two (10), and the middle of the right end of the lower surface of the cantilever support body (1) is provided with a horizontal rib (11).