A car CD pillar frame structure and a car comprising the same

Abstract

The application discloses a kind of automobile CD column frame structures, it is characterized in that, including C column lower reinforcement plate assembly, C column lower reinforcement plate assembly side is connected with wheel cover outer plate, top and rear upper section assembly of side wall inner plate are connected, and rear upper section assembly of side wall inner plate and wheel cover outer plate are also connected with each other, rear upper section assembly of side wall inner plate back is provided with mutually connected parcel shelf bracket assembly and seat back upper front support plate assembly, and parcel shelf bracket assembly and seat back upper front support plate assembly are connected with C column lower reinforcement plate assembly back portion. By being connected between key sensitive area C column lower reinforcement plate assembly and parcel shelf bracket assembly, guarantee structure continuity and integrity conditions, improve body mode and rigidity, reduce the overall weight of body 1.11Kg. The application greatly simplifies the CD column structure of car (with rear quarter window), and the welding process is simple to implement, and the lightweight effect is obvious.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of automobile design and manufacturing, and particularly relates to a CD column frame structure of an automobile and the automobile comprising the same. BACKGROUND

[0002] The conventional CD column structure of a sedan usually adopts the way of increasing the material thickness or the number of parts to improve the performance. The conventional structure greatly increases the weight of the vehicle body, thereby increasing the fuel consumption and causing the customers to bear additional economic burden; the large number of parts and the complex process route require additional tooling equipment and operating personnel, greatly reducing the production efficiency and causing the waste of manpower and financial resources.

[0003] Therefore, how to adopt a structure that can effectively improve the performance of the vehicle body without increasing the additional weight has become a new topic to be solved in the automobile industry. SUMMARY

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the present application is to provide a CD column frame structure of an automobile and the automobile comprising the same, which solves the problem of a structure that can effectively improve the performance of the vehicle body without increasing the additional weight.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical solutions:

[0006] A CD column frame structure of an automobile, comprising a C-column lower reinforcement plate assembly, one side of the C-column lower reinforcement plate assembly being connected with an outer wheel cover panel, the top being connected with a rear upper section assembly of an inner side panel, and the rear upper section assembly of the inner side panel and the outer wheel cover panel being also connected with each other, a parcel shelf support assembly and a front upper support plate assembly of a seat back being arranged on the back of the rear upper section assembly of the inner side panel, and the front upper support plate assembly of the seat back being connected with the back of the C-column lower reinforcement plate assembly.

[0007] Preferably, the C-column lower reinforcement plate assembly is combined by two C-column lower reinforcement plates.

[0008] Preferably, the C-column lower reinforcement plate assembly and the front upper support plate assembly of the seat back are connected by welding.

[0009] Preferably, the C-column lower reinforcement plate assembly and the front upper support plate assembly of the seat back are connected by three welding points.

[0010] Preferably, a reinforcement plate assembly combined by two reinforcement plates is arranged below the rear upper section assembly of the inner side panel, and the reinforcement plate assembly is connected with the parcel shelf support assembly.

[0011] Preferably, the reinforcement plate assembly and the parcel shelf support assembly are connected by welding.

[0012] Preferably, the reinforcing plate assembly is connected with the parcel shelf bracket assembly by 4 welding points.

[0013] Preferably, a weight-reducing hole is formed on the reinforcing plate assembly.

[0014] Compared with the prior art, the present application has the following beneficial effects:

[0015] The automobile CD column frame structure disclosed in the present application, under the conditions of ensuring the arrangement requirements of the rear seats and the rear roll-up device of the whole vehicle and improving the modal and stiffness performance requirements of the vehicle body, compared with the traditional method of increasing the material thickness or the number of parts, the connection between the C-column lower reinforcing plate assembly and the parcel shelf bracket assembly is realized through the seat back upper front support plate assembly in the key sensitive area, the modal and stiffness of the vehicle body are improved under the conditions of ensuring the continuity and integrity of the structure, and the overall weight of the vehicle body is reduced by 1.11 Kg. The CD column structure of the car (with a rear quarter window) is greatly simplified, the welding process is simple to implement, and the lightweight effect is obvious.

[0016] Further, the C-column lower reinforcing plate assembly is formed by combining two C-column lower reinforcing plates, the structural size is reduced, and the weight is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 is an exploded schematic view of the CD column frame structure;

[0018] Fig. 2 is a schematic view of the original scheme of the CD column frame structure;

[0019] Fig. 3 is an enlarged view of the connection between the C-column lower reinforcing plate assembly and the seat back upper front support plate assembly; wherein (a) is a partial enlarged view; and (b) is a sectional view;

[0020] Fig. 4 is an enlarged view of the connection between the rear upper section assembly of the side wall inner panel and the parcel shelf bracket assembly; wherein (c) is a partial enlarged view; and (d) is a sectional view.

[0021] Wherein: 1 - parcel shelf bracket assembly; 2 - seat back upper front support plate assembly; 3 - rear upper section assembly of the side wall inner panel; 4 - wheel cover outer panel; 5 - C-column lower reinforcing plate assembly. DETAILED DESCRIPTION

[0022] In order for those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be described in detail below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor should be within the scope of protection of the present application.

[0023] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments of the application only and is not intended to be limiting of the present application. For example, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It will be further understood that the use of the terms "comprise", "comprises", "comprising", "include", "includes" or "including", "contain", "contains" or "containing", or any other variation thereof, is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises, includes, contains or contains one or more features, steps, elements, units, components or the like is not limited to those features, steps, elements, units, components or the like, but can also cover other features, steps, elements, units, components or the like not expressly listed or inherent to such process, method, article, or apparatus.

[0024] The application will be further described below in details with reference to the accompanying drawings:

[0025] The application is a kind of frame structure in the CD column area of the vehicle body, under the requirements of arranging the rear seat and the rear roll-up device of the whole vehicle, improving the modal and stiffness performance requirements of the vehicle body, the frame of the vehicle body CD column is simple in structure, simple in process implementation, and obvious in lightweight effect.

[0026] Referring to Figs. 1-4 The application discloses a kind of automobile CD column frame structure, including C column lower reinforcement plate assembly 5, C column lower reinforcement plate assembly 5 one side is connected with wheel cover outer plate 4, top is connected with side wall inner plate rear upper segment assembly 3, and side wall inner plate rear upper segment assembly 3 and wheel cover outer plate 4 are also connected with each other, side wall inner plate rear upper segment assembly 3 back is provided with mutually connected parcel shelf support assembly 1 and seat back upper front support plate assembly 2, and seat back upper front support plate assembly 2 is connected with the back of C column lower reinforcement plate assembly 5.

[0027] As a preferred scheme, the C column lower reinforcement plate assembly 5 is combined by two C column lower reinforcement plates.C column lower reinforcement plate assembly 5 is connected with seat back upper front support plate assembly 2 by welding.C column lower reinforcement plate assembly 5 is connected with seat back upper front support plate assembly 2 by 3 welding points.

[0028] As a preferred scheme, the side wall inner plate rear upper segment assembly 3 is provided below with a reinforcing plate assembly combined by two reinforcing plates, and the reinforcing plate assembly is connected with the parcel shelf support assembly 1.The reinforcing plate assembly is connected with the parcel shelf support assembly 1 by welding.The reinforcing plate assembly is connected with the parcel shelf support assembly 1 by 4 welding points.

[0029] As a preferred scheme, the reinforcing plate assembly is provided with a weight-reducing hole.

[0030] Through finite element model multi-scheme comparison and analysis, the body mode and stiffness are improved simultaneously, and the lightest weight scheme of the body is found out; two C-column lower reinforcement plates are combined into a C-column lower reinforcement plate assembly 5, the structure size is reduced, the weight is reduced, and the C-column lower reinforcement plate assembly 2 is connected with the seat back upper support plate assembly 2 through three welding points, so that the body stiffness and mode performance are ensured; two reinforcement plates under the rear upper segment assembly 3 of the side wall inner plate are combined into a reinforcement plate assembly, the structure is further optimized, the reinforcement plate is connected with the parcel shelf bracket assembly 1 through four welding points, meanwhile, the weight reduction holes are increased, and the weight of the reinforcement plate is lightest.

[0031] In conclusion, the present application is mainly a CD column frame structure, which is connected between the C-column lower reinforcement plate assembly 5 and the parcel shelf bracket assembly 1 in the key sensitive area, ensures the continuity and integrity of the structure, improves the body mode and stiffness, and reduces the overall weight of the body by 1.11 Kg. The present application greatly simplifies the CD column structure of the car (with rear quarter window), the welding process is simple to implement, and the lightweight effect is obvious.

[0032] The above content only illustrates the technical idea of the present application, and cannot limit the protection scope of the present application. Any modification made according to the technical idea of the present application on the basis of the technical scheme falls within the protection scope of the claims of the present application.

Claims

1. A car CD pillar frame structure, characterized in that, The assembly includes a C-pillar under-reinforcement plate assembly (5), one side of which is connected to the wheel arch outer plate (4), and the top is connected to the rear upper section assembly (3) of the inner side panel. The rear upper section assembly (3) of the inner side panel and the wheel arch outer plate (4) are also connected to each other. The back of the rear upper section assembly (3) of the inner side panel is provided with a package rack bracket assembly (1) and a seat back front upper support plate assembly (2) that are connected to each other. The seat back front upper support plate assembly (2) is connected to the back of the C-pillar under-reinforcement plate assembly (5). The C-pillar under-reinforcement plate assembly (5) is formed by merging two C-pillar under-reinforcement plates. The reinforcement plate assembly (5) is provided with weight reduction holes. The lower part of the rear upper section assembly (3) of the inner side panel is provided with a reinforcement plate assembly formed by merging two reinforcement plates. The reinforcement plate assembly is connected to the package rack bracket assembly (1).

2. The automotive CD pillar frame structure according to claim 1, characterized in that, The C-pillar lower reinforcing plate assembly (5) and the seat back upper support plate assembly (2) are connected by welding.

3. The automotive CD pillar frame structure according to claim 2, characterized in that, The C-pillar lower reinforcing plate assembly (5) and the seat back front upper support plate assembly (2) are connected by three welding points.

4. The automotive CD pillar frame structure according to claim 1, characterized in that, The reinforcing plate assembly and the package rack bracket assembly (1) are connected by welding.

5. The automotive CD pillar frame structure according to claim 4, characterized in that, The reinforcing plate assembly and the package rack bracket assembly (1) are connected by four weld points.

6. A car, characterized in that, The invention includes a car CD pillar frame structure as described in any one of claims 1 to 5.

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