Automobile side panel assembly

CN224915997UActive Publication Date: 2026-10-30NINGBO FENGSHIEN PLASTIC CO LTD
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Patent Information

Application Number
CN202522520716.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-27
Publication Date
2026-10-30
Estimated Expiration
2035-11-27

AI Technical Summary

Technical Problem

[0003]传统的金属冲压件虽强度可靠,但重量大、成型复杂,不利于轻量化目标;而简单的塑料注塑件虽减轻了重量,却普遍存在结构刚性不足、抗冲击能力弱、功能集成度低等问题,难以在复杂工况下提供持久可靠的保护

Benefits of technology

一、本实用新型通过将PP+EPDM-TD20材料与2.5mm的基本壁厚设计相结合,并在板件主体内侧设置由加强筋构成的安装支架结构,该总成在保证良好韧性的同时实现了轻量化与结构强度的平衡,并通过安装支架上的螺栓孔与车身骨架牢固连接,有效满足了侧面碰撞时的力传递与分散需求。

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a kind of automobile side plate assembly, it is related to automobile side plate assembly technical field, it includes: plate piece main body, constitute the basis frame of side plate;Mounting bracket structure is set in the inner side area of the plate piece main body, for with the high-strength connection of vehicle body frame;Multi-interface mounting support structure, multiple is set on the plate piece main body, for providing integrated installation interface for different functional components;Multi-level combined connection module is set at the edge of the plate piece main body, integrated with multiple connection modes to adapt the connection demand of different components.The utility model is combined by combining PP+EPDM-TD20 material with the basic wall thickness design of 2.5mm, and mounting bracket structure formed by reinforcing rib is set in the inner side of plate piece main body, the balance of lightweight and structural strength is realized while guaranteeing good toughness, and bolt hole on mounting bracket is firmly connected with vehicle body frame, effectively meet the force transmission and dispersion demand when side collision.
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Description

Technical Field

[0001] This utility model relates to the technical field of automotive side panel assembly, specifically automotive side panel assembly. Background Technology

[0002] The side panel assembly is a crucial component of the vehicle's side structure. It plays a key role not only in shaping the overall profile of the vehicle's side and optimizing aerodynamics, but also in fulfilling core safety functions such as installing various accessories, providing sealing and sound insulation, and transmitting and dispersing impact energy during side collisions. As the automotive industry increasingly demands lightweighting, high integration, and high safety, the design of the side panel assembly has evolved from a simple covering to a complex module integrating structure, function, and safety. Its material selection, structural layout, and manufacturing process directly affect the overall performance of the vehicle.

[0003] While traditional metal stamping parts offer reliable strength, their large weight and complex forming process hinder lightweighting goals. Conversely, simple plastic injection molding parts, though weight-reducing, generally suffer from insufficient structural rigidity, weak impact resistance, and low functional integration, making it difficult to provide durable and reliable protection under complex operating conditions. Furthermore, the design of various functional modules (such as mounting points and connection points) is often independent, resulting in a large number of parts, low assembly efficiency, and difficulty in achieving precise dimensional matching and reliable structural connections while maintaining aesthetic quality. This makes it challenging to fully meet the comprehensive requirements of modern automobiles for high performance, low cost, and high quality. Therefore, a new automotive side panel assembly is needed to address these shortcomings. Utility Model Content

[0004] Technical problems to be solved

[0005] The existing side panel assembly struggles to achieve an effective balance between lightweighting, structural strength, functional integration, and assembly reliability, thus failing to meet the comprehensive performance requirements of modern automobiles.

[0006] Technical solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: an automobile side panel assembly, comprising: The main body of the panels forms the basic framework of the side panels; The mounting bracket structure is located in the inner area of ​​the main body of the plate and is used for high-strength connection with the vehicle body frame. A multi-interface mounting support structure is provided multiple times on the main body of the plate to provide integrated mounting interfaces for different functional components; A multi-level modular connection module is located at the edge of the main body of the plate and integrates multiple connection methods to adapt to the connection requirements of different components.

[0008] Furthermore, the mounting bracket structure includes: The reinforcing rib structure is integrally formed with the main body of the plate and is distributed along the longitudinal or lateral force transmission path of the vehicle body; Two bolt mounting holes are fixed to the reinforcing rib structure and are used to fix the main body of the plate to the vehicle frame by fasteners.

[0009] Furthermore, the multi-interface mounting support structure includes four, three of which are distributed along the outer edge of the main body of the plate, and one is located in the inner region.

[0010] Furthermore, the multi-interface mounting support structure includes: Support body; Several connecting strips, arranged in a triangle, are fixedly connected between the support body and the plate body to enhance connection rigidity and distribute stress; A lightweight hollow area is provided on the main body of the support, which reduces weight and optimizes stress distribution by removing material from non-critical stress areas; Two positioning mounting slots are provided on the support body to pre-position the components to be installed, so as to ensure assembly accuracy.

[0011] Furthermore, the multi-level combined connection module includes: An integrated bolt mounting base is rigidly connected to the main body of the plate and has a reinforced enclosure structure; The multi-rib buckle assembly is integrally formed with the main body of the plate and achieves snap-fit ​​through multiple sets of parallel buckle arms; The dual-station composite connection module integrates the dual functions of snap-fit ​​pre-positioning and bolt fixing.

[0012] Furthermore, the multi-level combined connection module also includes several fixing strips distributed around its periphery, used to connect and fix the module as a whole to the plate body.

[0013] Furthermore, the main body of the plate has an L-shaped or irregular streamlined outline that adapts to the space on the left side of the vehicle body, and participates in the transmission and dispersion of collision forces on the side of the vehicle body.

[0014] Furthermore, at least two of the main body of the plate, the mounting bracket structure, the multi-interface mounting support structure, and the multi-level combined connection module are integrally injection molded.

[0015] Compared with existing technologies, this automotive side panel assembly has the following advantages: I. This utility model combines PP+EPDM-TD20 material with a basic wall thickness of 2.5mm and sets a mounting bracket structure composed of reinforcing ribs on the inner side of the main body of the plate. This assembly achieves a balance between lightweight and structural strength while ensuring good toughness. It is also firmly connected to the vehicle frame through the bolt holes on the mounting bracket, effectively meeting the requirements for force transmission and dispersion during side collisions.

[0016] Second, by integrating a multi-interface mounting support structure and a multi-level combined connection module on the main body of the plate, this utility model provides a unified and diversified installation platform for different functional components, realizes the integration of various connection methods such as mounting brackets, buckles, and bolts, and significantly improves the functional integration and assembly efficiency of the assembly.

[0017] Third, by setting triangular connecting strips, lightweight hollow areas and positioning mounting grooves on each multi-interface mounting support structure, this utility model achieves local weight reduction while enhancing connection rigidity and dispersing stress. Furthermore, the pre-positioning function ensures assembly accuracy, taking into account structural strength, lightweight and high-efficiency production. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a schematic diagram of the mounting bracket structure of this utility model; Figure 3 This is a schematic diagram of the multi-interface mounting support structure of this utility model; Figure 4 This is a schematic diagram of the multi-level combined connection module structure of this utility model.

[0020] In the diagram: 1. Main body of the plate; 2. Mounting bracket structure; 201. Reinforcing rib structure; 202. Bolt mounting holes; 3. Multi-interface mounting support structure; 301. Support body; 302. Connecting strip; 303. Lightweight hollow area; 304. Positioning mounting groove; 4. Multi-level combined connection module; 401. Integrated bolt mounting base; 402. Multi-rib buckle assembly; 403. Dual-station composite connection module; 404. Fixing strip. Detailed Implementation

[0021] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] This application is described below with reference to the accompanying drawings and specific embodiments: like Figure 1-4 As shown, this utility model provides a technical solution: an automobile side panel assembly. As a key component of the vehicle body side structure, this assembly is manufactured by injection molding. The material used is PP+EPDM-TD20 (B1 type) modified polypropylene material that conforms to the Q / JL J124011-2019 standard. This material ensures good toughness while achieving a basic wall thickness of 2.5mm for the parts, thus achieving a balance between lightweight and structural strength.

[0023] like Figure 1 and Figure 2 As shown, the core of this assembly is a main panel 1, which has an L-shaped or irregular streamlined profile adapted to the left side space of the vehicle body. It not only shapes the appearance of the side of the vehicle body, but also plays an important safety role in transmitting and dispersing impact energy in side collisions. The exposed surface of the main panel 1 is made with GT11864 texture as required. The texture area is strictly designed to avoid the gate position to ensure the perfection of the appearance. In the inner area of ​​the main panel 1, there is a mounting bracket structure 2. This structure is composed of a reinforcing rib structure 201 integrally formed by the main panel 1 itself. The ribs are distributed along the longitudinal or lateral force transmission path of the vehicle body. The reinforcing rib also integrates two bolt mounting holes 202 for fixing the entire side panel assembly to the vehicle body frame with fasteners.

[0024] like Figure 1 and Figure 3 As shown, in order to integrate a variety of functions, the main body 1 of the panel is also provided with multiple multi-interface mounting bracket structures 3. In this embodiment, there are a total of four such brackets. Three of them are arranged along the outer edge of the side panel and are used to install external components such as side skirt trim strips. The other one is located in the inner area and is used to connect the internal reinforcing bracket or electrical wiring fixing seat. Each bracket is a highly integrated functional unit: it is connected to the main body 1 of the panel through several triangular connecting strips 302 to enhance the connection rigidity and distribute stress. The bracket body 301 is provided with a lightweight hollow area 303, which effectively reduces the weight of the vehicle body while ensuring structural strength. At the same time, two positioning mounting grooves 304 are precisely machined on the bracket, which can play a pre-positioning role when assembling other components, ensuring installation accuracy and efficiency.

[0025] like Figure 1 and Figure 4 As shown, a multi-level combined connection module 4 is provided at the upper right edge of the main body 1 to handle more complex connection requirements. This module includes not only an integrated bolt mounting base 401 with a reinforced enclosure structure and a set of multi-rib buckle groups 402 integrally formed with the main body 1, but also a dual-station composite connection module 403. This module cleverly integrates the pre-positioning function of the buckle with the final tightening function of the bolt, so that the components can be quickly and initially fixed by the buckle during assembly, and then a high-strength rigid connection can be achieved by the bolt, which greatly improves the assembly efficiency and reliability. To ensure the stability of the entire module, several fixing strips 404 are also distributed around its perimeter. These fixing strips 404 weld the module to the main body 1 or form it integrally, forming a powerful connection hub that effectively disperses the stress at the connection point.

[0026] In terms of performance and quality, this assembly strictly adheres to the highest standards for automotive interior parts. Its flame retardancy meets both GB8410-2006 (burning rate ≤100mm / min) and the more stringent QJLY J7110335B-2019 (burning rate ≤80mm / min) requirements. Regarding in-vehicle air quality, its odor, atomization performance, and VOC emissions all meet the corresponding enterprise standards, ensuring a healthy and comfortable driving environment. In terms of the appearance of the parts, defects such as burrs, flash, shrinkage marks, flow marks, and gas scars are not allowed. All sharp edges are rounded with an R0.5 radius. In addition, according to the Q / JL J100003-2019 standard, the parts are marked with permanent material identification for easy traceability and recycling. Finally, the matching of this assembly with surrounding inner panels and other components ensures no looseness, uniform gaps, and compliance with DTS (Dimensional Technical Specification) requirements, achieving a high degree of unity between structure, function, and aesthetics.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model.

Claims

1. A car side panel assembly, characterized in that, include: The main body of the plate (1) forms the basic frame of the side plate; The mounting bracket structure (2) is located in the inner area of ​​the main body of the plate (1) and is used to make a high-strength connection with the vehicle frame; A multi-interface mounting support structure (3) is provided multiple times on the main body of the plate (1) to provide integrated mounting interfaces for different functional components; A multi-level combined connection module (4) is set at the edge of the main body of the plate (1) and integrates multiple connection methods to adapt to the connection requirements of different components.

2. The automotive side panel assembly according to claim 1, characterized in that, The mounting bracket structure (2) includes: The reinforcing rib structure (201) is integrally formed with the main body of the plate (1) and distributed along the longitudinal or lateral force transmission path of the vehicle body; Two bolt mounting holes (202) are fixed to the reinforcing rib structure (201) for fixing the plate body (1) to the vehicle frame by fasteners.

3. The automotive side panel assembly according to claim 1, characterized in that, The multi-interface mounting support structure (3) includes four, three of which are distributed along the outer edge of the main body of the plate (1) and one is located in the inner region.

4. The automotive side panel assembly according to claim 1, characterized in that, The multi-interface mounting support structure (3) includes: Support body (301); Several connecting strips (302), arranged in a triangle, are fixedly connected between the support body (301) and the plate body (1) to enhance the connection rigidity and disperse stress; A lightweight hollow area (303) is provided on the support body (301) to reduce weight and optimize stress distribution by removing material from non-critical stress areas; Two positioning mounting slots (304) are provided on the support body (301) to pre-position the parts to be installed, so as to ensure assembly accuracy.

5. The automotive side panel assembly according to claim 1, characterized in that, The multi-level combined connection module (4) includes: An integrated bolt mounting base (401) is rigidly connected to the main body of the plate (1) and has a reinforced enclosure structure; The multi-rib buckle assembly (402) is integrally formed with the main body of the plate (1) and is snapped together by multiple sets of parallel buckle arms; The dual-station composite connection module (403) integrates the dual functions of snap-fit ​​pre-positioning and bolt fixing.

6. The automotive side panel assembly according to claim 5, characterized in that, The multi-level combined connection module (4) also includes several fixing strips (404) distributed around its periphery, used to connect and fix the module as a whole to the plate body (1).

7. The automotive side panel assembly according to claim 1, characterized in that, The main body of the plate (1) has an L-shaped or irregular streamlined outline that adapts to the space on the left side of the vehicle body, and participates in the transmission and dispersion of collision force on the side of the vehicle body.

8. The automotive side panel assembly according to claim 1, characterized in that, At least two of the main body of the plate (1), the mounting bracket structure (2), the multi-interface mounting support structure (3), and the multi-level combined connection module (4) are integrally injection molded.