Integrated novel electric vehicle chassis assembly

By designing an integrated new electric vehicle chassis component, the pressure on the battery pack is buffered by fixing and decompression components, solving the problem of battery pack damage during driving and achieving safe fixing and protection of the battery pack.

CN223533543UActive Publication Date: 2025-11-11WUXI DAYANG ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422265611.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-11-11
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

In the existing technology, the way the battery pack is installed between the battery pack and the vehicle chassis can easily cause the battery pack to be damaged by pressure and impact during driving, especially on steep roads, which poses a safety hazard.

Method used

A novel integrated electric vehicle chassis assembly has been designed, comprising a fixing component, a pressure-reducing component, and an internal component. The battery pack is secured by fixing blocks and mounting brackets, and springs and damping blocks are used to buffer pressure and reduce the impact on the battery pack.

Benefits of technology

It effectively protects the battery pack from pressure and impact damage, improves the strength of the vehicle chassis, and ensures the safe operation of the battery pack within the vehicle's interior walls.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an integrated novel electric vehicle chassis assembly which comprises a vehicle underframe and further comprises an internal assembly, the internal assembly is arranged in the vehicle underframe and further comprises a battery pack and a lower cross beam, and the battery pack is arranged at the top end of the lower cross beam; the fixing assembly is used for fixing the joint of the battery pack and the vehicle underframe and further comprises a fixing block and a fixing frame. The fixing assembly is arranged at the top end of the fixing frame, the pressure reducing assembly further comprises a spring and a damping block, and a top cover is arranged at the top end of the pressure reducing assembly. The fixing assembly is used for fixing and protecting the internal battery pack, meanwhile, the pressure reducing assembly is arranged at the connecting position of the top cover and the battery pack, the pressure reducing assembly reduces the pressure of the cushion on the battery pack through the spring and the damping block, and therefore the battery pack can safely run on the inner wall of an automobile; meanwhile, the fixing block and the fixing frame of the fixing assembly not only protect the safety of the battery pack, but also enhance the strength of the vehicle underframe.
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Description

Technical Field

[0001] This utility model relates to the field of integrated electric vehicle chassis technology, and in particular to an integrated new electric vehicle chassis component. Background Technology

[0002] Battery-chassis integration technology is an innovative technology in the field of new energy vehicle manufacturing. It mainly involves directly integrating battery cells into the vehicle chassis. This technology deeply integrates the battery system with the electric vehicle power system chassis, thereby reducing the number of parts.

[0003] Currently, conventional car battery packs are installed to the chassis by a sleeve, with the top of the battery pack fixedly connected to the seat cushion. When the car encounters steep road sections during driving, pressure and impact will be generated between the base and the chassis. Since the battery pack is directly sleeved to the base, the impact on the base can easily cause the battery pack to be indirectly damaged by pressure and impact. To address this, a new integrated electric vehicle chassis component has been designed. Utility Model Content

[0004] The purpose of this utility model is to provide an integrated new electric vehicle chassis component to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an integrated novel electric vehicle chassis assembly, including a chassis frame, and further comprising:

[0006] An internal component, which is disposed inside the vehicle chassis, includes a battery pack and a lower crossbeam, with the battery pack disposed at the top of the lower crossbeam;

[0007] A fixing component, which is used to fix the connection between the battery pack and the vehicle chassis, includes a fixing block and a fixing frame;

[0008] The pressure-reducing assembly includes a fixing component located at the top of a fixing frame, a top cover at the top of the pressure-reducing assembly, and a spring and a damping block.

[0009] Preferably, the top center of the vehicle chassis is provided with a mounting groove, a plurality of lower crossbeams are provided at the bottom of the mounting groove, and a plurality of fixing blocks are symmetrically provided at the top of the mounting groove and located at the end away from the lower crossbeams.

[0010] Preferably, the fixing bracket is disposed at the top of the plurality of fixing blocks, the plurality of damping blocks are symmetrically disposed at the top edge of the fixing bracket, and the plurality of fixing brackets are disposed at the top of the plurality of damping blocks.

[0011] Preferably, the top cover is disposed on the top of a plurality of springs, and the top of the top cover is provided with a plurality of upper crossbeams.

[0012] Preferably, a front frame is provided on one side of the vehicle chassis, a rear frame is provided on the side of the vehicle chassis away from the front frame, and a base support is provided at the bottom end of the vehicle chassis.

[0013] Preferably, a front axle is inserted into the inner wall of the front frame, and a rear axle is provided on the inner wall of the rear frame.

[0014] Preferably, a front axle is inserted into the inner wall of the front frame, and a rear axle is provided on the inner wall of the rear frame.

[0015] The technical effects and advantages of this utility model are as follows:

[0016] This utility model utilizes a fixing component to secure and protect the internal battery pack. At the same time, a pressure-reducing component is provided at the connection between the top cover and the battery pack. The pressure-reducing component uses a spring to buffer the pressure of the seat cushion pressing down and filters the remaining pressure through a damping block, allowing the battery pack to operate safely within the vehicle's interior. In addition, the fixing blocks and fixing brackets of the fixing component not only protect the safety of the battery pack but also strengthen the vehicle's chassis. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the main structure of the present utility model.

[0018] Figure 2 This is a side view of the main structure of this utility model.

[0019] Figure 3 This is a side sectional view of the main structure of this utility model.

[0020] Figure 4 This is a top view of the main structure of this utility model.

[0021] Figure 5 This is a top sectional view of the pressure-reducing component structure of this utility model.

[0022] Figure 6 This is a cross-sectional view of the main structure of this utility model.

[0023] In the diagram: 1. Vehicle chassis; 101. Front frame; 102. Rear frame; 103. Base support; 2. Battery pack; 201. Lower crossbeam; 202. Fixing block; 203. Fixing bracket; 204. Mounting slot; 3. Damping block; 301. Spring; 302. Top cover; 303. Upper crossbeam; 4. Front axle; 401. Front axle; 402. Front wheel; 403. Rear wheel. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] This utility model provides, for example Figure 1-6 The integrated new electric vehicle chassis assembly shown includes a chassis 1, and also includes:

[0026] The internal components are located inside the vehicle chassis 1. The internal components include a battery pack 2 and a lower crossbeam 201. The battery pack 2 is located at the top of the lower crossbeam 201.

[0027] The fixing component is used to fix the connection between the battery pack 2 and the vehicle chassis 1. The fixing component includes a fixing block 202 and a fixing bracket 203.

[0028] The pressure-reducing component has a fixing component set at the top of the fixing frame 203, and a top cover 302 is provided at the top of the pressure component. The pressure-reducing component includes a spring 301 and a damping block 3.

[0029] It should be noted that the top of the lower crossbeam 201 is provided with a groove, the shape of which conforms to the width of the battery pack 2. When the battery pack 2 is fitted onto the inner wall of the vehicle chassis 1, its bottom center will fit into the groove, which can position and install the battery pack 2. The fixing block 202 is set at the inner corner of the vehicle chassis 1. The fixing block 202 fixes the corner position of the battery pack 2, and the pressure relief device at the top of the fixing bracket 203 can use the spring 301 and the damping block 3 to work together to reduce the pressure of the top cover 302 on the battery pack 2.

[0030] Specifically, the top center of the chassis 1 is provided with a mounting groove 204, multiple lower crossbeams 201 are provided at the bottom of the mounting groove 204, multiple fixing blocks 202 are symmetrically arranged at the top of the mounting groove 204 and located at the end away from the lower crossbeams 201, a fixing frame 203 is provided at the top of the multiple fixing blocks 202, and multiple damping blocks 3 are symmetrically fixed at the top edge of the fixing frame 203.

[0031] It should be noted that the mounting slot 204 is a slot provided in the chassis 1, and the fixing block 202 is located at the corner of the edge of the mounting slot 204. The lower crossbeam 201 is located in the middle of the lower crossbeam 201, and both ends of the lower crossbeam 201 are integral with the inner wall of the chassis 1. The fixing bracket 203 is a bracket that connects multiple fixing blocks 202. The height of the fixing bracket 203 exceeds the height of the battery pack 2, which can protect the fixing bracket 203 from pressure. The damping block 3 is made of polymer material. When the seat is pressed down, the pressure is transmitted to the spring 301. The spring 301 is deformed by the pressure and buffers the pressure. Finally, the remaining pressure is filtered out by the damping block 3, thus protecting the battery pack 2 from pressure damage.

[0032] Specifically, the top cover 302 is located on the top of multiple springs 301, and multiple upper crossbeams 303 are located on the top of the top cover 302. A front frame 101 is located on one side of the vehicle chassis 1, and a rear frame 102 is located on the side of the vehicle chassis 1 away from the front frame 101. A bottom support 103 is located at the bottom of the vehicle chassis 1.

[0033] It should be noted that the top cover 302 is fitted onto the outer wall of the top cover 302 and the fixing frame 203, and the upper crossbeam 303 can be connected to the car seat cushion. When the car seat cushion presses down on the top cover 302, the top cover 302 will transmit the pressure to the spring 301. The spring 301 is deformed by the pressure and transmits the pressure to the damping block 3. The damping block 3 uses its characteristics to offset and decompose the pressure, protecting the battery pack 2.

[0034] Specifically, a front axle 4 is inserted into the inner wall of the front frame 101, and a rear axle 401 is provided on the inner wall of the rear frame 102. Multiple front wheels 402 are symmetrically arranged at both ends of the front axle 4 away from the front frame 101, and multiple rear wheels 403 are symmetrically arranged at both ends of the rear axle 401 away from the rear frame 102.

[0035] It should be noted that the front frame 101 and the rear frame 102 are integrated with the chassis 1. The bottom support 103 at the bottom of the chassis 1 is made of aluminum alloy, which has the advantages of being lightweight and strong. The front axle 4 and the rear axle 401 of the front frame 101 and the rear frame 102 are interspersed, and the chassis 1 can move through the front wheel 402.

[0036] Working principle of this utility model:

[0037] The specific operation involves fitting the battery pack 2 inside the mounting slot 204. The bottom of the battery pack 2 is supported by the lower crossbeam 201, and multiple corners of the battery pack 2 are simultaneously fitted onto the inner wall of the fixing block 202. The battery pack 2 is positioned and protected by fixing the top of the fixing block 202 and the lower crossbeam 201. The upper crossbeam 303 at the top of the top cover 302 can be connected to the car seat cushion. When the vehicle seat cushion squeezes and vibrates the top cover 302, the top cover 302 will transmit the pressure to the spring 301. The spring 301 will transmit the pressure and vibration to the top of the damping block 3. The damping block 3 will cancel out the pressure and vibration, protecting the bottom so that the battery pack 2 can work normally.

[0038] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel integrated electric vehicle chassis assembly, comprising a chassis frame (1), characterized in that, Also includes: An internal component is disposed inside the vehicle chassis (1), the internal component including a battery pack (2) and a lower crossbeam (201), the battery pack (2) being disposed at the top of the lower crossbeam (201); A fixing component is used to fix the connection between the battery pack (2) and the vehicle chassis (1). The fixing component includes a fixing block (202) and a fixing frame (203). The pressure relief assembly is disposed at the top of the fixed frame (203), and the top of the pressure relief assembly is provided with a top cover (302). The pressure relief assembly includes a spring (301) and a damping block (3).

2. The integrated novel electric vehicle chassis assembly according to claim 1, characterized in that, The top center of the chassis (1) is provided with a mounting groove (204), a plurality of lower crossbeams (201) are provided at the bottom of the mounting groove (204), and a plurality of fixing blocks (202) are symmetrically provided at the top of the mounting groove (204) and located at the end away from the lower crossbeams (201).

3. The integrated novel electric vehicle chassis component according to claim 1, characterized in that, The fixing frame (203) is located at the top of multiple fixing blocks (202), and the multiple damping blocks (3) are symmetrically located at the top edge of the fixing frame (203).

4. The integrated novel electric vehicle chassis assembly according to claim 1, characterized in that, The top cover (302) is disposed on the top of a plurality of springs (301), and the top of the top cover (302) is provided with a plurality of upper crossbeams (303).

5. The integrated novel electric vehicle chassis assembly according to claim 1, characterized in that, A front frame (101) is provided on one side of the vehicle chassis (1), a rear frame (102) is provided on the side of the vehicle chassis (1) away from the front frame (101), and a base support (103) is provided at the bottom end of the vehicle chassis (1).

6. The integrated novel electric vehicle chassis assembly according to claim 1, characterized in that, The inner wall of the front frame (101) is connected to a front axle (4), and the inner wall of the rear frame (102) is provided with a rear axle (401).

7. The integrated novel electric vehicle chassis assembly according to claim 1, characterized in that, The front axle (4) has multiple front wheels (402) symmetrically arranged at both ends away from the front frame (101), and the rear axle (401) has multiple rear wheels (403) symmetrically arranged at both ends away from the rear frame (102).