WO2019101191A1

WO2019101191A1 - Rear fender rain gutter reinforced structure and automobile

Info

Publication number: WO2019101191A1
Application number: PCT/CN2018/117381
Authority: WO
Inventors: 赵文颖; 张夏; 周中祥; 胡国辉; 李兵
Original assignee: 标致雪铁龙汽车股份有限公司
Priority date: 2017-11-24
Filing date: 2018-11-26
Publication date: 2019-05-31
Also published as: CN109835422B; CN109835422A

Abstract

A rear fender rain gutter reinforced structure and an automobile. The rear fender rain gutter reinforced structure comprises a rear fender rain gutter (1) connected to a side panel assembly (2); the rear fender rain gutter (1) comprises a support lining (1-3), a rain gutter support plate (1-1), and a support reinforcing rib plate (1-2); the rain gutter support plate (1-1) is connected to the side panel assembly (2); the support reinforcing rib plate (1-2) is provided below the rain gutter support plate (1-1), and a cavity is formed between the support reinforcing rib plate (1-2) and the rain gutter support plate (1-1); the support lining (1-3) is embedded into the cavity, and the shape and size of the support lining (1-3) are adapted to the shape and size of the cavity. By embedding a support lining into a cavity between a support reinforcing rib plate and a rain gutter support plate, the overall strength of a rear fender rain gutter is effectively enhanced, and the torsional rigidity and the anti-side collision performance of an automobile body are improved, without adding a connection structure. The structure is simple, reasonably designed, easy to assemble, and good in overall strength enhancement.

Description

Rear fender flow tank reinforcement structure and automobile

cross reference

The present application is hereby incorporated by reference in its entirety in its entirety in its entirety in its entirety in the the the the the the the the the the the the

Technical field

Embodiments of the present disclosure relate to the technical field of automobile parts, and in particular, to a rear fender flow tank reinforcement structure and an automobile.

Background technique

With the development of the automotive industry, automobiles have become a necessity in people's daily lives. To this end, people are increasingly demanding the "safety, comfort, and water resistance" of automobiles. The car body includes a roof and A, B, C, and D columns for supporting the roof. The A, B, C, and D columns are all equipped with a flow tank structure. When the car collides, when the car is turned over or overturned, The A, B, C, D columns and the flow tank structure can prevent the body from being crushed and deformed to some extent, and the strength at the A, B, C, D column and the flow tank structure area is critical.

Especially for the area of the D-pillar and its structure, because the area is located at the corner, the overlapping structure is complex and the space is small, and the structural strength of the area cannot be increased by increasing the number of metal plates; in addition, due to the zero at the corner area There are many parts, which are easy to cause the warping deformation of the lap joint, which makes the torsional rigidity and the side impact resistance of the vehicle body poor, and also the poor quality of the parts due to the poor lap joint of the parts.

Summary of the invention

(1) Technical problems to be solved

The first object of the present disclosure is to provide a rear fender sump reinforcement structure which is simple in structure, reasonable in design, and can effectively improve the torsional rigidity and side impact resistance of the vehicle body, so as to solve the problem that the existing flow tank structure is insufficient in structural strength. The problem of poor torsional rigidity and side impact resistance of the vehicle body is caused.

A second object of the present disclosure is to provide a vehicle including a rear fender sump reinforcement structure which is simple in structure, reasonable in design, and capable of effectively improving the torsional rigidity and side impact resistance of the vehicle body, so as to solve the existing structure of the water tank structure. Insufficient structural strength results in poor torsional stiffness and side impact resistance.

(2) Technical plan

In order to solve the above technical problem, an embodiment of the present disclosure provides a rear fender flow tank reinforcement structure, including a rear fender flow trough, the rear fender flow trough is connected with a side wall assembly, the rear wing The sub-plate flow water tank comprises a support lining body, a water flow tank support plate and a supporting reinforcing rib plate connected to the water sump support plate, wherein the water sump support plate is connected with the side wall assembly, and the support rib plate is provided Forming a cavity between the support rib plate and the sump support plate under the flow tank support plate; the support lining is embedded in the cavity, and the shape of the support lining The size is adapted to the shape and size of the cavity.

In one embodiment, the support liner comprises a skeleton and a foam layer disposed on a periphery of the skeleton, and the support liner is respectively in contact with the water tank support plate and the support reinforcement rib through the foam layer connection.

In one embodiment, the foam layer is integrally formed with the skeleton.

In one embodiment, the skeleton is made of a PA66 material; the foamed layer is made of an EVA foamed material.

In one embodiment, the support liner comprises a sheet of expandable glue having a shape and size that matches the shape and size of the cavity.

In one embodiment, the support stiffener plate and the runner support plate are both made of a metal material.

In one embodiment, the supporting reinforcing ribs are connected to the running water support plate by welding or bonding.

Embodiments of the present disclosure also provide an automobile including the rear fender tank sink reinforcement structure.

(3) Beneficial effects

The above technical solution of the embodiment of the present disclosure has the following advantages:

Embodiments of the present disclosure provide a rear fender flow tank reinforcement structure, including a rear fender flow trough, a rear fender flow trough connected to a side wall assembly, and a rear fender flow trough including a support liner and a flow a water tank supporting plate and a supporting reinforcing rib plate connected to the water tank supporting plate, the water tank supporting plate is connected with the side wall assembly, the supporting reinforcing rib plate is disposed under the water tank supporting plate, and the supporting reinforcing rib plate and the flowing water tank supporting plate are supported A cavity is formed therebetween; the support liner is embedded in the cavity, and the shape and size of the support liner are adapted to the shape and size of the cavity. The rear fender flow tank reinforcement structure provided by the embodiment of the present disclosure can effectively improve the overall strength of the rear fender flow tank by embedding a support lining in a cavity between the support rib plate and the flow tank support plate. It is beneficial to improve the torsional rigidity of the vehicle body and improve the anti-side collision performance of the vehicle body, which is beneficial to improving the personal safety of the door occupants. At the same time, the water tank reinforcement structure provided by the embodiment of the present disclosure does not need to add a new connection structure, has a simple structure, reasonable design, simple assembly, good overall strength strengthening effect, strong practicability, and is favorable for standardized production and promotion.

DRAWINGS

1 is a schematic view showing a connection manner of a rear fender flow tank and a side wall assembly in a rear fender flow tank reinforcement structure according to an embodiment of the present disclosure;

2 is a cross-sectional structural view of a rear fender flow trough in a rear fender sump reinforcement structure according to an embodiment of the present disclosure.

In the figure: 1: rear fender flow trough; 1-1: flow trough support plate; 1-2: support reinforcement rib; 1-3: support lining; 1-3-1: foam layer; 3-2: skeleton; 2: side wrapping assembly.

Detailed ways

The technical solutions in the embodiments of the present disclosure will be clearly and completely described in conjunction with the drawings in the embodiments of the present disclosure. It is a partial embodiment of the present disclosure, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present disclosure without departing from the inventive scope are the scope of the disclosure.

Embodiment 1

In one aspect, as shown in FIG. 1 to FIG. 2, an embodiment of the present disclosure provides a rear fender flow tank reinforcement structure, including a rear fender flow trough 1, a rear fender flow trough 1 and a side wall assembly. 2 connection, the rear fender flow tank 1 comprises a supporting lining 1-3, a running water tank supporting plate 1-1 and a supporting reinforcing rib plate 1-2 connected to the running water tank supporting plate 1-1, and the flowing water tank supporting plate 1 - 1 is connected to the side wall assembly 2, and the supporting reinforcing ribs 1-2 are disposed below the running water tank supporting plate 1-1, and a cavity is formed between the supporting reinforcing ribs 1-2 and the running water tank supporting plate 1-1; The support linings 1-3 are embedded in the cavity, and the shape and size of the support linings 1-3 are adapted to the shape and size of the cavity.

In the present embodiment, in order to improve the overall structural strength of the rear fender flow tank 1, the support liner 1 is embedded in the cavity formed between the support stiffener 1-2 and the runner support plate 1-1. 3, and the size and shape of the support lining 1-3 are set to match the size and shape of the cavity, so that the support lining 1-3 can strengthen the convection trough support plate 1-1 and the support in the cavity. The ribs 1-2 achieve effective filling and support, and also effectively improve the overall strength of the rear fender flow tank 1, which is beneficial to improve the torsional rigidity of the vehicle body and improve the side impact resistance of the vehicle body, thereby improving the personal safety of the door occupants. .

Further, by providing the supporting lining 1-3 in the cavity formed between the supporting reinforcing rib 1-2 and the running water tank supporting plate 1-1, the cavity is discontinuous, the cavity is blocked, and the air is controlled. The noise circulation outside the vehicle reduces the air circulation and the transmission of noise, which in turn helps to improve the NVH characteristics of the vehicle (Noise noise, Vibration vibration, Harshness roughness), which is conducive to improving the overall design and manufacturing quality.

In addition, the rear fender flow tank 1 reinforcement structure provided by the embodiment of the present disclosure does not need to provide an additional connection structure for the rear fender flow tank 1 , and only needs to fit the support liner 1-3 into the cavity. The assembly is simple, and the overall structural strength is improved, and the utility is strong, which is favorable for standardized production and promotion.

In particular, the support linings 1-3 may be assembled after the support ribs 1-2 are connected with the sump support plate 1-1, or the support ribs 1-2 and the sump support plate 1 may be partially completed. -1 is assembled after assembly, and a reasonable installation method can be selected according to actual implementation conditions.

Specifically, the support lining 1-3 includes a skeleton 1-3-2 and a foam layer 1-3-1 disposed at the periphery of the skeleton 1-3-2, and the support lining 1-3 passes through the foam layer 1-3- 1 respectively, in contact with the water tank supporting plate 1-1 and the supporting reinforcing rib plate 1-2, by respectively foaming layers 1-3-1 with relatively low strength, respectively, with the water tank supporting plate 1-1 and the supporting reinforcing rib plate 1-2 contact to prevent damage to the convection water tank support plate 1-1 and the support reinforcement rib 1-2 during foaming, which is advantageous for extending the service life of the entire rear fender flow tank 1 .

In the present embodiment, the support lining 1-3 is selected in such a manner that the skeleton 1-3-2 is combined with the foamed layer 1-3-1. In one embodiment, the foamed layer 1-3-1 is attached to the skeleton. The periphery of 1-3-2; the expanded film adopting the skeleton 1-3-2 type, because of its structural variability, can satisfy cavities of different structural shapes and different sizes. In addition, the skeleton-type expanded film is completely filled in the cavity after foaming, and the sealing effect on the cavity is good.

It should be further noted that the support lining 1-3 composed of the above-mentioned skeleton 1-3-2 and the foamed layer 1-3-1 is light in weight, which is advantageous for reducing the overall weight of the reinforcing structure of the rear fender flow tank 1 It is conducive to improving assembly efficiency and production efficiency.

In one embodiment, the foamed layer 1-3-1 is integrally formed with the skeleton 1-3-2. In order to improve production efficiency and ease of assembly, in the present embodiment, the foamed layer 1-3-1 and the skeleton 1-3-2 are formed in one piece.

In the present embodiment, the skeleton 1-3-2 is made of a PA66 material; the foamed layer 1-3-1 is made of an EVA foaming material.

Skeleton 1-3-2 is made of nylon-66 (PA66) material, foam layer 1-3-1 is made of ethylene-vinyl acetate copolymer (EVA) material; support liner 1-3 is made of PA66 material and EVA. The foamed material has a high strength and ensures that it is fixed in the cavity without deformation.

It should be noted that the material of the skeleton 1-3-2 is not limited to the above-mentioned PA66 material, and the foamed layer 1-3-1 is not limited to the above EVA material, and only needs to satisfy the requirement that it can be fixed in the cavity without deformation. Specifically, according to the actual implementation conditions, a reasonable skeleton 1-3-2 material and a foamed layer 1-3-1 material can be selected.

In one embodiment, the support stiffener plate 1-2 and the runner support plate 1-1 are both made of a metal material.

In this embodiment, in order to ensure the structural strength of the rear fender flow tank 1, the support stiffener plate 1-2 and the flow trough support plate 1-1 are preferably made of a metal material, such as a steel plate or an aluminum alloy, specifically Choose a reasonable material type based on actual implementation conditions.

In one embodiment, the manner in which the support stiffeners 1-2 are joined to the runner support panel 1-1 is by welding or bonding.

In this embodiment, the supporting reinforcing ribs 1-2 and the running water tank supporting plate 1-1 are fixedly connected by welding, and the bottom of the supporting reinforcing ribs 1-2 partially overlaps with the running water tank supporting plate 1-1, It is ensured that the connection between the reinforcing ribs 1-2 and the running water support plate 1-1 is supported.

It should be noted that, in addition to the above-mentioned welding or bonding, the supporting reinforcing ribs 1-2 may be connected with the water tank supporting plate 1-1, and may also be connected by screws or rivets or screws, depending on the actual situation. Implement conditions to choose a reasonable connection.

In another aspect, an embodiment of the present disclosure also provides an automobile including the rear fender flow tank 1 reinforcement structure. The automobile provided by the embodiment of the present disclosure is provided with the reinforcing structure of the rear fender flow tank 1 in the above technical solution, and thus has all the beneficial effects in the above technical solutions. To avoid repetition, details are not described herein again.

Embodiment 2

The embodiment of the present disclosure provides a rear fender flow tank 1 reinforcement structure, including a rear fender flow trough 1, the rear fender flow trough 1 is connected to the side wall assembly 2, and the rear fender flow trough 1 includes Supporting lining 1-3, running water tank supporting plate 1-1 and supporting reinforcing rib plate 1-2 connected with the water tank supporting plate 1-1, the water tank supporting plate 1-1 is connected with the side wall surrounding assembly 2, and the support is strengthened The ribs 1-2 are disposed below the runner support plate 1-1, and a cavity is formed between the support stiffeners 1-2 and the runner support plate 1-1; the support liners 1-3 are embedded in the cavity, And the shape and size of the supporting lining 1-3 are matched with the shape and size of the cavity.

Wherein, the support lining 1-3 comprises a sheet-like expansion glue, and the shape and size of the sheet-like expansion glue are adapted to the shape and size of the cavity, in particular, the sheet-like expansion glue is completely filled into the cavity to effectively improve The structural strength of the rear fender flow trough.

In the present embodiment, the support lining 1-3 is supported by a sheet expansion rubber, which can be cut according to the specific structure and size of the cavity to achieve a shape conforming to the cavity, and achieve a sealing blocking effect after baking. The support lining 1-3 adopting such a structural form has a single structure, does not require a complicated forming structure, and is inexpensive, and the sheet expandable rubber can be finished by artificial shearing to complete the shape of the product, which can meet the requirements of the automobile factory, and Save time and mechanical cutting costs.

The other technical solutions are the same as those in the first embodiment. To avoid repetition, details are not described herein.

In summary, the embodiments of the present disclosure provide a rear fender flow tank reinforcement structure, including a rear fender flow trough, a rear fender flow trough connected to the side wall assembly, and a rear fender flow trough including Supporting lining body, running water tank supporting plate and supporting reinforcing rib plate connected with the water tank supporting plate, the water tank supporting plate is connected with the side wall assembly, the supporting reinforcing rib plate is arranged below the flow water tank supporting plate, and supporting the reinforcing rib plate A cavity is formed between the support plate and the support plate; the support lining is embedded in the cavity, and the shape and size of the support lining are adapted to the shape and size of the cavity. The rear fender flow tank reinforcement structure provided by the embodiment of the present disclosure can effectively improve the overall strength of the rear fender flow tank by embedding a support lining in a cavity between the support rib plate and the flow tank support plate. It is beneficial to improve the torsional rigidity of the vehicle body and improve the anti-side collision performance of the vehicle body, which is beneficial to improving the personal safety of the door occupants. At the same time, the water tank reinforcement structure provided by the embodiment of the present disclosure does not need to add a new connection structure, has a simple structure, reasonable design, simple assembly, good overall strength strengthening effect, strong practicability, and is favorable for standardized production and promotion.

It should be noted that the above embodiments are only for explaining the technical solutions of the present disclosure, and are not intended to be limiting; although the present disclosure has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that The technical solutions described in the foregoing embodiments are modified, or the equivalents of the technical features are replaced by the equivalents. The modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present disclosure.

Claims

A rear fender sump reinforcement structure includes a rear fender flow trough, and the rear fender flow trough is connected to the side wall assembly, wherein the rear fender flow trough comprises a support lining a running water tank supporting plate and a supporting reinforcing rib plate connected to the water tank supporting plate, wherein the water tank supporting plate is connected to the side wall assembly, and the supporting reinforcing rib plate is disposed on the water tank supporting plate a cavity formed between the supporting reinforcing rib and the running water support plate; the supporting body is embedded in the cavity, and the shape and size of the supporting body and the cavity are The shape and size are adapted.
The rear fender sump reinforcement structure according to claim 1, wherein the support lining comprises a skeleton and a foam layer disposed at a periphery of the skeleton, and the support lining passes through the foam layer They are respectively in contact with the water tank supporting plate and the supporting reinforcing ribs.
The rear fender sump reinforcement structure according to claim 2, wherein the foam layer is integrally formed with the skeleton.
The rear fender sump reinforcement structure according to claim 2, wherein the skeleton is made of PA66 material; and the foam layer is made of EVA foam material.
The rear fender sump reinforcement structure according to claim 1, wherein the support lining comprises a sheet-like expansion glue, the shape and size of the sheet-like expansion glue and the shape and size of the cavity. Fitted.
The rear fender sump reinforcement structure according to any one of claims 1 to 5, wherein the support rib plate and the sump support plate are made of a metal material.
The rear fender sump reinforcement structure according to any one of claims 1 to 5, characterized in that the connection manner of the supporting rib plate and the sump support plate is welding or bonding.
A vehicle characterized by comprising the rear fender tank sink reinforcement structure according to any one of claims 1-7.