CN205239117U - Pure electric vehicles's suspension system - Google Patents

Abstract

The purpose of the utility model is to propose a suspension system of a pure electric vehicle with better safety and comfort. The suspension system of the pure electric vehicle includes a left suspension cushion assembly, a right suspension cushion assembly and a rear suspension cushion assembly respectively connected and fixed to the vehicle frame; the left suspension cushion assembly passes through the left suspension The reducer is installed on the mounting bracket, and the reducer is also connected with the rear suspension cushion assembly through the rear suspension bracket; the right suspension cushion assembly is equipped with a motor through the right suspension bracket; the key is that the suspension system also It includes an auxiliary support frame for fixing the battery accessories, and the two ends of the auxiliary support frame are respectively erected and fixed at the fixed ends of the left suspension cushion assembly, the right suspension cushion assembly and the vehicle frame. The utility model fixes the battery accessories on the vehicle frame through the auxiliary support frame, which reduces the weight of the suspension cushion; fixes the compressor on the left suspension bracket through a special compressor bracket, which solves the vibration isolation of the compressor and layout issues.

Description

A suspension system for pure electric vehicles

technical field

The utility model relates to a suspension system for pure electric vehicles, more specifically, the utility model is a suspension system designed when the motor of the pure electric vehicle is arranged in the engine room.

Background technique

Existing cars generally arrange the powertrain (including engine and reducer) in the engine compartment, and connect it with the frame by the suspension device. The suspension has the following functions: 1. Isolate the impact of the powertrain on the chassis and body. Interference; 2. Control the displacement of the powertrain to meet the isolation requirements during driving; 3. Control the displacement of the powertrain to meet the boundary requirements of the general layout; 4. Control the powertrain under multiple working conditions of the vehicle; 5. Installation and support powertrain to its static design position.

With the development of battery technology, electric vehicles are becoming more and more popular. Unlike traditional internal combustion engine vehicles, the motors of electric vehicles need larger and heavier battery accessories to supply power. And the battery accessories are installed on the suspension cushion, which will cause the suspension cushion to be overburdened and not conducive to the suspension safety.

Contents of the invention

The purpose of the utility model is to propose a suspension system of a pure electric vehicle with better safety and comfort.

The suspension system of the pure electric vehicle of the utility model includes a left suspension cushion assembly, a right suspension cushion assembly and a rear suspension cushion assembly respectively connected and fixed with the vehicle frame; the left suspension cushion assembly The assembly is equipped with a reducer through the left suspension bracket, and the reducer is also connected with the rear suspension cushion assembly through the rear suspension bracket; the right suspension cushion assembly is equipped with a motor through the right suspension bracket; the key The suspension system also includes an auxiliary support frame for fixing the battery accessories, and the two ends of the auxiliary support frame are respectively erected and fixed on the left suspension cushion assembly, the right suspension cushion assembly and the vehicle frame. at the fixed end.

The suspension system mentioned above is specially provided with an auxiliary support frame for fixing the battery accessories, and the two ends of the auxiliary support frame are respectively erected and fixed on the left suspension cushion assembly, the right suspension cushion assembly and the vehicle frame. In this way, the auxiliary support frame and the battery accessories on it are equivalent to being fixed on the frame, so it will not cause a heavy burden on the left suspension cushion assembly and the right suspension cushion assembly, and improve the left suspension. The safety of the home cushion assembly and the right suspension cushion assembly.

Specifically, the left suspension cushion assembly is connected to the left longitudinal beam of the automobile through bolts, and the right suspension cushion assembly is connected to the right longitudinal beam of the automobile through bolts; The bolts are connected with the subframe of the car.

Further, the auxiliary supporting frame is a rectangular structure composed of a front crossbeam, a rear crossbeam, a left suspension exoskeleton, and a right suspension exoskeleton, and the left suspension exoskeleton is respectively connected to the lower left side of the front crossbeam and the rear crossbeam through bolts. end connection, the right suspension outer frame is respectively connected with the lower right end of the front beam and the rear beam through bolts; the left suspension outer frame is erected and fixed at the fixed end of the left suspension cushion assembly and the vehicle frame, The right suspension outer frame is erected and fixed at the fixed end of the right suspension cushion assembly and the vehicle frame.

The battery accessory can be fixed on the front beam and the rear beam, and the front beam and the rear beam are equivalent to being supported and fixed on the frame by using the left suspension outer frame and the right suspension outer frame, so the stability of the battery accessory can be greatly improved.

Further, the left suspension bracket is also connected with a compressor bracket for fixing the compressor, so that the vibration and noise of the compressor can be isolated by the left suspension bracket and the left suspension soft cushion assembly connected to it, and the automobile can be improved. comfort.

The suspension system of the utility model fixes the battery accessories on the vehicle frame through the auxiliary support frame, which reduces the weight of the suspension cushion; fixes the compressor on the left suspension bracket through a special compressor bracket, which solves the problem of compression The problem of vibration isolation and layout of the engine, and the suspension system of the utility model can also be used in gasoline vehicles, and has good versatility.

Description of drawings

Figure 1 is an isometric view of the suspension system of the present invention.

Fig. 2 is a top view of the suspension system of the present invention.

Fig. 3 is a front view of the suspension system of the present invention.

Fig. 4 is a left view of the suspension system of the present invention.

Drawings indicate: 1. Left suspension cushion assembly; 2. Right suspension cushion assembly; 3. Rear suspension cushion assembly; 4. Left suspension bracket; 5. Reducer; 6. Rear suspension 7. Right suspension bracket; 8. Motor; 9. Front beam; 10. Rear beam; 11. Left suspension outer frame; 12. Right suspension outer frame; 13. Compressor support.

detailed description

Below with reference to the accompanying drawings, through the description of the implementation examples, the specific embodiments of the present utility model, such as the shape, structure, mutual position and connection relationship between each part, the role and working principle of each part, etc. Further details.

Example 1:

As shown in the figure, the suspension system of the pure electric vehicle in this embodiment includes a left suspension cushion assembly 1, a right suspension cushion assembly 2 and a rear suspension cushion assembly 3; wherein the left suspension cushion assembly The assembly 1 is connected to the left longitudinal beam of the automobile through bolts, the right suspension cushion assembly 2 is connected to the right longitudinal beam of the automobile through bolts; the rear suspension cushion assembly 3 is connected to the sub-frame of the automobile through bolts; The left suspension cushion assembly 1 is equipped with a reducer 5 through the left suspension bracket 4, and the reducer 5 is also connected with the rear suspension cushion assembly 3 through the rear suspension bracket 6; The pad assembly 2 is equipped with a motor 8 through the right suspension bracket 7;

The suspension system also includes an auxiliary support frame for fixing battery accessories, which is a rectangular structure composed of a front beam 9, a rear beam 10, a left suspension outer frame 11, and a right suspension outer frame 12. The left suspension exoskeleton 11 is respectively connected with the lower left end of the front beam 9 and the rear beam 10 through bolts, and the right suspension outer framework 12 is respectively connected with the lower right ends of the front beam 9 and the rear beam 10 through bolts; The suspension outer frame 11 is erected and fixed at the fixed end of the left suspension cushion assembly 1 and the left longitudinal beam of the automobile, and the right suspension outer skeleton 12 is erected and fixed at the right suspension cushion assembly 2 and the right side beam of the automobile. at the fixed end of the stringer.

The above-mentioned suspension system is specially provided with an auxiliary support frame for fixing the battery accessories. The battery accessories can be fixed on the front beam 9 and the rear beam 10, and the front beam 9 and the rear beam 10 are equivalent to using the left suspension outer frame 11, The right suspension outer frame 12 is supported and fixed on the vehicle frame, so that the auxiliary support frame and the battery accessories on it are equivalent to being fixed on the vehicle frame, so it will not affect the left suspension cushion assembly 1 and the right suspension soft cushion assembly. Pad assembly 2 causes heavy burden, has improved the safety of left suspension cushion assembly 1, right suspension cushion assembly 2.

Further, the left suspension bracket 4 is also connected with a compressor bracket 13 for fixing the compressor, so that the left suspension bracket 4 and the left suspension cushion assembly 1 connected thereto can isolate the vibration and vibration of the compressor. Noise, improve the comfort of the car.

When the above suspension system is in use, the right suspension cushion assembly 2 and the left suspension cushion assembly 1 are the main bearing suspensions, and isolate and attenuate the vibration caused by the rotation of the motor 8 and the reducer 5; the rear suspension The cushion assembly 3 is an auxiliary suspension, which can limit the rotation angle and displacement of the powertrain under braking or acceleration; the front beam 9 and the rear beam 10 can be installed with accessories of the powertrain, such as battery accessories, MCU , charging module, etc.; the compressor bracket 13 can be used to install the compressor, which can isolate and attenuate the vibration caused by the rotation of the compressor.

Claims (4)

1. a suspension system for pure electric automobile, comprises respectively the left suspending soft cushion assembly, right suspending soft cushion assembly and the rear-suspending cushion assembly that are connected and fixed with vehicle frame; Described left suspending soft cushion assembly is provided with decelerator by left mounting bracket, and decelerator is also connected with rear-suspending cushion assembly by rear suspension bracket; Described right suspending soft cushion assembly is provided with motor by right mounting bracket; It is characterized in that described suspension system also comprises the supplemental support framework for self-contained battery annex, the stiff end place of left suspending soft cushion assembly, right suspending soft cushion assembly and vehicle frame is set up respectively and is fixed at the two ends of described supplemental support framework.

2. the suspension system of pure electric automobile according to claim 1, is characterized in that described left suspending soft cushion assembly is connected by the left longeron of bolt and automobile, and described right suspending soft cushion assembly is connected with Automobile Right longeron by bolt; Described rear-suspending cushion assembly is connected with automobile accessory frame by bolt.

3. the suspension system of pure electric automobile according to claim 1 and 2, it is characterized in that described supplemental support framework is by front beam, rear cross beam, a left side outer skeleton, the right side rectangular configuration that dermoskeleton is configured to that suspends that suspends, the a described left side outer skeleton that suspends is connected with the lower-left end of front beam, rear cross beam respectively by bolt, and the described right side outer skeleton that suspends is connected with the bottom righthand side of front beam, rear cross beam respectively by bolt; The a described left side outer skeleton that suspends sets up and is fixed on the stiff end place of left suspending soft cushion assembly and vehicle frame, and the described right side outer skeleton that suspends sets up and be fixed on the stiff end place of right suspending soft cushion assembly and vehicle frame.

4. the suspension system of pure electric automobile according to claim 1 and 2, is characterized in that being also connected with the compressor bracket for fixing compressor on described left mounting bracket.