WO2019019441A1

WO2019019441A1 - A vehicle exterior part

Info

Publication number: WO2019019441A1
Application number: PCT/CN2017/107492
Authority: WO
Inventors: Xiaoming Zhang; Xiaoshan Liu
Original assignee: Yanfeng Plastic Omnium Automotive Exterior Systems Co Ltd; Plastic Omnium SE
Current assignee: Yanfeng Plastic Omnium Automotive Exterior Systems Co Ltd; OPmobility SE
Priority date: 2017-07-26
Filing date: 2017-10-24
Publication date: 2019-01-31
Anticipated expiration: 2020-01-26
Also published as: CN207000344U

Abstract

L'invention concerne une partie extérieure de véhicule comprenant une paroi longitudinale (11) conçue pour être fixée à une partie structurale du véhicule ; une bride (12) disposée sur la paroi longitudinale (11) et faisant saillie depuis la paroi longitudinale (11), de préférence de manière sensiblement perpendiculaire à la paroi longitudinale (11) ; et une structure de renfort disposée sur la bride (12). La disposition de la structure de renfort, de préférence formée par les nervures de renfort, sur la bride de la partie extérieure, permet d'augmenter la résistance et la rigidité de l'ensemble de la bride, et de supprimer des défauts d'aspect médiocre dus à une déformation se produisant dans la région centrale de la partie extérieure, dans laquelle aucun point de raccordement entre la partie extérieure et la partie structurale n'est disponible, et ainsi la modalité et la rigidité de la partie extérieure du véhicule sont toutes deux améliorées.The invention relates to an exterior vehicle part comprising a longitudinal wall (11) designed to be fixed to a structural part of the vehicle; a flange (12) disposed on the longitudinal wall (11) and protruding from the longitudinal wall (11), preferably substantially perpendicular to the longitudinal wall (11); and a reinforcing structure disposed on the flange (12). The arrangement of the reinforcing structure, preferably formed by the reinforcing ribs, on the flange of the outer part, makes it possible to increase the strength and rigidity of the entire flange, and to eliminate defects in appearance. poor due to deformation occurring in the central region of the outer part, in which no connection point between the outer part and the structural part is available, and so the modality and rigidity of the outer part of the vehicle are all two improved.

Description

A Vehicle Exterior Part

Field of the Invention

The invention relates to the field of vehicle manufacturing, and more particularly, to a vehicle exterior part.

Background of the Invention

In currently existing models, the bottom of an exterior part is generally fitted to a sheet metal bracket or a sheet metal at the bottom of the body of a vehicle via a fastener. However, due to reasons of arrangement, for instance certain models may place a spare tire underneath the body chassis, thus resulting in the impossibility of providing a joint point for an exterior part to be connected to the body in the region of the spare tire. In the case of a bumper that has a relatively large dimension in the Y direction, the bottom of an exterior part cannot be completely fixed onto the body with only fastening points on the two sides of the exterior part, and it is prone to cause wave-shaped deformation in the middle region of the bottom of the exterior part, affecting the acceptability of the vehicle and also resulting in poor appearance and affecting customer experience. More importantly, the modality and rigidity of the bottom region of the exterior part cannot meet customer demands either.

Summary of the Invention

The objective of the invention is to provide a vehicle exterior part so as to solve the technical problems in the prior art especially due to the arrangement of a spare tire underneath the body chassis. Thus it is impossible to provide a connecting point for an exterior part to be connected to a structural part in the middle region, thereby causing the middle region of the bottom of the exterior part prone to deformation.

The invention adopts the following solution to solve the above

technical problem:

A vehicle exterior part is provided, comprising: a longitudinal wall configured to be fixed to a structural part of the vehicle, characterized in that, it further comprises a flange arranged on the longitudinal wall and protruding from the longitudinal wall, preferably substantially perpendicular to the longitudinal wall, wherein a reinforcement structure is provided on the flange.

According to a preferred embodiment, the flange is arranged substantially along the longitudinal direction of the longitudinal wall in a region where the longitudinal wall has no connection with the structural part.

According to another embodiment, the reinforcement structure is formed by reinforcing ribs arranged on the flange and protruding from the flange, preferably perpendicular to the flange.

Advantageously, the reinforcing ribs are arranged in a mesh structure on the flange.

According to another embodiment, the flange is further provided with a covering edge, arranged at an outermost side of the reinforcing ribs and protruding from the flange, preferably perpendicular to the flange.

The flange extends obliquely while protruding from the longitudinal wall.

The reinforcement structure and/or the covering edge are formed integrally with the flange.

According to a preferred embodiment, the vehicle exterior part is rear bumper and the structural part of the vehicle is a vehicle body

The invention, by arranging a reinforcement structure, preferably formed by the reinforcing ribs, on the flange of the exterior part, increases the strength and rigidity of the entire flange, and avoids defects of poor appearance due to deformation that occurs in the middle region of the exterior part, where no connection points between the exterior part and the structural part are available. In summary, the invention provides a vehicle exterior part where the modality and rigidity are both improved.

Description of the Drawings

Figure 1 is a top view of a vehicle exterior part according to a preferred embodiment of the invention, observed from the top of the back of the vehicle, which also shows the movement trajectory of a spare tire when it is removed from the body；

Figure 2 is a bottom view of the vehicle exterior part of Figure 1, observed from below；

Figure 3 is a sectional view along the sectional line A-Aas shown in Figure 2； and

Figure 4 is a partial, enlarged schematic view of the vehicle exterior part as shown in Figure 2.

Detailed Description of the Invention

A preferred embodiment of the invention is provided and described in detail below in conjunction with the accompanying drawings, so as to allow a better understanding of the functions and features of the invention.

As shown in Figure 1, the vehicle exterior part is a rear bumper 100 of vehicle according to a preferred embodiment of the invention. The rear bumper 100 is mounted at the back of the vehicle. It has not only a decorating function, but also a function of absorbing and mitigating external impacts and protecting the body of the vehicle and the safety of passengers. As shown in Figure 1, the rear bumper 100 comprises: a longitudinal wall 11 extending substantially in a transversal direction at the back of the vehicle, and a bottom flange 12 protruding from a bottom of the longitudinal wall 11, obliquely downward at the same time of extending towards the advancing direction of the vehicle. A spare tire will be placed underneath the body chassis for certain models. When the spare tire needs to be removed, a movement trajectory of the spare tire as shown in Figure 1 will be created. However, it is required that there is sufficient safety gap between the spare tire and the surrounding parts during the course of the removal so as to ensure that the spare tire can be successfully removed. In the meantime, because of the arrangement of the spare tire, the bottom flange 12 of the rear bumper 100 can be fixed to the body only through fixation points 16 of both ends, and the middle region cannot be fixed to the body. Therefore, deformation of the rear bumper 100 in the middle region can be easily caused.

Therefore, according to the vehicle rear bumper 100 provided by the invention, the bottom flange 12 is arranged substantially along the longitudinal direction of the longitudinal wall 11 in a region where the longitudinal wall 11 has no connection with the body. Moreover, a reinforcement structure especially formed by reinforcing ribs is specifically designed at the bottom of the bottom flange 12, as shown in Figure 2. By arranging the reinforcement structure formed by reinforcing ribs 13 on the bottom flange 12 of the rear bumper 100, the strength and rigidity of the entire bottom flange 12 is increased, thus avoiding defects of poor appearance due to deformation that occurs in the middle region of the bottom of the rear bumper.

According to the preferred embodiment, multiple reinforcing ribs 13 are arranged in the manner of a crisscrossing mesh at the bottom of the bottom flange, thus significantly increasing the modality and rigidity of the vehicle rear bumper in the region.

According to a preferred embodiment of the invention, the mesh-like reinforcing ribs 13 should be arranged as densely as possible, provided that the strength of the mold is not affected. It can be understood that the denser the arrangement is, the higher the strength of the bottom of the rear bumper will be.

According to the preferred embodiment, the bottom flange 12 further comprises covering edges 14, 14’extending vertically at the outermost sides of the bottom mesh-like reinforcing ribs 13, as shown in Figure 3. In this embodiment, the covering edge 14 is located on the outer side of the body, performing the functions of both reinforcing and covering, preventing the mesh-like reinforcing ribs 13 from being exposed to the exterior and affecting aesthetics. The covering edge 14’is located on the inner side of the body, performing only the function of reinforcing, and not covering.

According to the preferred embodiment, the reinforcing ribs 13 and the covering edges 14, 14’a re formed integrally with the bottom flange 12.

For certain models, as shown in Figure 4, the bottom flange 12 also has a notch 15 opening towards the advancing direction of the vehicle. The covering edge 14’has a corresponding form in the region of the notch. When the spare tire needs to be taken out from underneath the body, the notch can provide a certain maneuvering space for the spare tire, preventing interference between the spare tire and the bottom flange. But it can be understood that this is only presented as an example instead of a limitation. For other models, the notch may not be arranged on the bottom flange 12, or even if a notch is present, it may not necessarily be at the same location.

What has been described above is merely a preferred embodiment of the invention, and is not to limit the scope of the invention. The embodiment of the invention described above can be subject to various modifications. All simple, equivalent modifications and embellishments made based on the contents of the claims and the specification of the invention fall within the scope of protection of the claims of the invention. What has not been described in detail in the invention is conventional technology.

Claims

A vehicle exterior part (100) , comprising: a longitudinal wall (11) configured to be fixed to a structural part of the vehicle, characterized in that, it further comprises a flange (12) arranged on the longitudinal wall (11) and protruding from the longitudinal wall (11) , preferably substantially perpendicular to the longitudinal wall, wherein a reinforcement structure is provided on the flange (12) .
The vehicle exterior part (100) of claim 1, wherein the flange (12) is arranged substantially along the longitudinal direction of the longitudinal wall (11) in a region where the longitudinal wall (11) has no connection with the structural part.
The vehicle exterior part (100) of any one of the previous claim, wherein the reinforcement structure is formed by reinforcing ribs (13) arranged on the flange (12) and protruding from the flange (12) , preferably perpendicular to the flange (12) .
The vehicle exterior part (100) of the previous claim, wherein the reinforcing ribs (13) are arranged in a mesh structure on the flange (12) .
The vehicle exterior part (100) of any one of the previous claims, wherein the flange (12) is further provided with a covering edge (14, 14’) , arranged at an outermost side of the reinforcing ribs (13) and protruding from the flange (12) , preferably perpendicular to the flange (12) .
The vehicle exterior part (100) of any one of the previous claims, wherein the flange (12) extends obliquely while protruding from the longitudinal wall (11) .
The vehicle exterior part (100) of any one of the previous claims, wherein the reinforcement structure and/or the covering edge (14, 14’) are formed integrally with the flange (12) .
The vehicle exterior part (100) of any one of the previous claims, wherein the vehicle exterior part (100) is rear bumper and the structural part of the vehicle is a vehicle body.