JPH09109811A - Rear bumper for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make a rear bumper perform the function of preventing slipping-in under a vehicle of other vehicle in relation to not only rear-end collision from behind, but also collision diagonally from side or from the side, and to exhibit the straightening action in the rear part of the vehicle. SOLUTION: A spoiler 2 is about horizontally mounted on the rear part of a loading space 11 of a vehicle through stays 4, wider airfoil parts 7 are integrally provided on both sides of a plane airfoil part 6 of the spoiler 2, and a rear bumper body is connected to the plane airfoil part 6 to form a rear bumper 1. Further, a straightening plate for gently connecting the plane airfoil part 6 to the bumper body 1 is provided on the front side of the vehicle, or a straightening airfoil part is formed at a part on the front side of the vehicle of the plane airfoil part 6 so that it can be smooth connected to the rear bumper body 3.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a rear bumper which is provided at a rear portion of a vehicle such as a truck and which prevents a rear impact vehicle from slipping in.

[0002]

2. Description of the Related Art Since a large vehicle such as a truck has a high vehicle body, it is necessary to prevent a general vehicle that has collided into the vehicle from slipping under the large vehicle.

Therefore, a rear bumper in the form of a prism is generally provided below the rear portion of a vehicle such as a truck in order to receive a rear-end collision vehicle and prevent the vehicle from slipping in.

[0004]

However, in such a prismatic rear bumper, although it is possible to prevent the sneaking-in at the time of a rear-end collision, it is expected to have a function of preventing the sneaking-in at an oblique lateral or lateral collision. I can't.

Further, in the vicinity of the rear portion of a vehicle such as a truck, the airflow is easily disturbed and the air is easily swirled, so that the air resistance during traveling is great.

Focusing on such a problem, the present invention can fulfill the function of preventing the sneaking-in not only from a rear-end collision, but also from an oblique lateral or lateral collision, and at the rear of the vehicle. An object of the present invention is to provide a rear bumper for a vehicle that can also exert a rectifying function.

[0007]

According to the first aspect of the invention, a vehicle rear bumper includes a spoiler mounted substantially horizontally on a rear portion of a loading platform of a vehicle via a stay, and the spoiler is wide on both sides of a plane wing portion. The side wings are integrally provided.

In the second invention, the vehicle rear bumper is
It has a spoiler mounted almost horizontally at the rear of the cargo bed of the vehicle via stays.This spoiler has wide side wings integrally on both sides of the plane wing, and the rear bumper body is connected to the plane wing of the spoiler. Configured.

According to the third aspect of the invention, the straightening vane for gently connecting the flat wing portion of the spoiler and the rear bumper body is provided on the front side of the vehicle.

In the fourth aspect of the present invention, the straightening vanes are formed in a part of the plane vanes of the spoiler on the vehicle front side so as to be smoothly connected to the rear bumper body.

[0011]

In the first aspect of the invention, since the rear bumper for a vehicle is provided with the spoiler having the side surface wing portion, the rear collision bumper vehicle is caught by the side surface wing portion even if the succeeding vehicle collides rearward obliquely or laterally. It is prevented from diving under the vehicle body. Moreover, the flow of air behind the vehicle is rectified by the spoiler.

In the second aspect of the invention, the vehicle rear bumper is constructed by connecting the rear bumper body to the spoiler.
The rear-end collision of the rear-end collision vehicle is completely prevented, and the rear-end oblique side or sideward penetration is also prevented.

According to the third aspect of the invention, since the flat wing portion of the spoiler and the rear bumper body are smoothly connected by the straightening vane, the straightening action at the rear of the vehicle is improved.

According to the fourth aspect of the invention, the straightening vane is formed in a part of the plane wing of the spoiler on the front side of the vehicle so as to be smoothly connected to the rear bumper body, so that the straightening action at the rear of the vehicle is improved. , The strength of the entire rear bumper is improved.

[0015]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

In the present invention, in order to form the rear bumper 1, as shown in FIGS. 1 and 2, the spoiler 2 is mounted substantially horizontally behind the luggage carrier 11 of a vehicle such as a truck.

This spoiler 2, as shown in FIG.
The flat wing portion 6 has a wing shape in which both side portions are curved obliquely upward, and the curved both side portions spread to form side wing portions 7. The rectification by the spoiler 2 is performed by air flowing in a space surrounded by the two side surface blades 7 and the plane blade portion 6 or below the plane blade portion 6 as shown by an arrow in FIG. . The spoiler 2 is the rear bumper 1.
The plane wing portion 6 and the side surface wing portions 7 have sufficient strength so as to withstand the impact of a collision from the rear or the side.

Now, the rear bumper 1 is this spoiler 2
However, in the present embodiment, a prismatic rear bumper body 3 is further coupled to the plane wing portion 6 of the spoiler 2, and the rear bumper 1 is formed as a whole.
Is configured. This rear bumper body 3 may be mounted near the center of the plane wing 6 as shown in FIGS. 2 and 3, or after the plane wing 6 is arranged so as to be arranged at the rearmost end of the vehicle. The structure may be attached to the end portion to increase the strength against a rear collision.

The rear bumper 1 is attached to the frame 12 via a mounting stay 4 and is disposed below the luggage carrier 11 at the rear of the vehicle.

Next, the operation will be described.

When a vehicle such as a truck having the rear bumper 1 arranged at the rear side collides with the succeeding vehicle from the rear side, the rear bumper 3 and the spoiler 2 receive the rear collision vehicle. It is prevented from diving under the vehicle body.

On the other hand, even when a rear-end vehicle collides with the rear vehicle from the side or side of the rear portion of the vehicle, the rear bumper 1 receives the rear-collision vehicle by the side wing portion 7 having a large area, and the rear-collision vehicle descends below the vehicle. And prevent it from diving.

As described above, according to the present invention, it is possible to prevent the colliding vehicle from slipping into a collision from almost the entire area behind the vehicle, so that a major accident can be prevented and safety can be improved.

Further, while the vehicle is running, the rear bumper 1
Since the air in the rear part of the vehicle is rectified by the spoiler 2 constituting the above, turbulence of the air flow, swirling of the air, etc. are suppressed,
Air resistance at the rear of the vehicle is reduced, and running stability is improved.

Further, since the spoiler 2 which constitutes the rear bumper 1 has the plane wing portion 6, it can be used as a step when climbing onto the luggage carrier 11, as shown in FIG.

Further, the present invention can take other embodiments as shown in FIGS. 4 to 6.

In the embodiment shown in FIG. 4, the current plate 8 is arranged so as to draw a gentle curve from the end of the flat wing portion 6 of the spoiler 2 on the vehicle front side to the upper surface of the rear bumper body 3. To be done. Due to the straightening vanes 8, the traveling wind from the front as shown by the arrow in the figure is directed to the flat blade portion 6.
The space surrounded by the side wings 7 can be smoothly distributed, and the rectifying action of the spoiler 2 can be improved.

Further, in the embodiment shown in FIG.
Instead of providing the straightening vane 8 as described above, a straightening vane 9 is formed on a part of the plane wing 6 of the spoiler 2 on the vehicle front side so as to be continuous with the upper portion of the rear bumper body 3 in a gentle curve. To do. As a result, a high rectifying action is obtained as in the case of FIG. 4, and at the same time, the rear bumper body 3 is firmly gripped by the rectifying blade portion 9, so that the strength of the entire rear bumper 1 can be improved.

Further, in the embodiment shown in FIG. 6, the straightening vane portion 9 is formed on the flat blade portion 6 so that the rear bumper body 3 is located at the rearmost position of the rear bumper 1, and the rear bumper body 3 is provided with the rear bumper body 3 of the spoiler 2. It is fixed integrally to the rear end. As in the case of FIG. 5, the straightening vanes 9 are also formed so as to smoothly continue from the front end of the flat vanes 6 to the upper end of the rear bumper body 3, so that the straightening action of the spoiler 2 is enhanced. At the same time, the strength of the entire rear bumper 1 is increased. Further, in this embodiment, the mounting stay 4
Is also embedded in the straightening vane 9 to increase the fixing strength. With this configuration, since the rear bumper body 3 is arranged at the rearmost side of the vehicle, it is possible to improve the strength as a bumper particularly against a rear-end collision.

[0030]

According to the first aspect of the invention, since the spoiler is mounted substantially horizontally on the rear portion of the loading platform of the vehicle through the stay, and the wide side wings are integrally provided on both sides of the plane wings of the spoiler, Even if the vehicle collides from the rear diagonally sideways or from the side, the rear-end collision vehicle is received by the side wings, preventing it from sneaking under the vehicle body, improving safety and rectifying the air flow behind the vehicle .

According to the second aspect of the invention, the spoiler is attached substantially horizontally to the rear portion of the loading platform of the vehicle through the stay, and wide side wings are integrally provided on both sides of the plane wing of the spoiler. Since the rear bumper body is connected to the part, it regulates the air flow behind the vehicle while completely preventing the rear-end collision vehicle from sneaking in from the rear as well as diagonally from the rear side or side. It will come off and the safety will be greatly improved.

In the third aspect of the invention, the straightening vane for gently connecting the flat wing portion of the spoiler and the rear bumper body is provided on the front side of the vehicle, so that the straightening action on the rear side of the vehicle is improved.

In the fourth aspect of the present invention, the straightening vane is formed in a part of the plane wing of the spoiler on the vehicle front side so as to be smoothly connected to the rear bumper body, so that the straightening action on the rear side of the vehicle is improved. At the same time, the strength of the entire rear bumper is improved.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view showing a rear bumper of the same.

FIG. 4 is a cross-sectional view showing another embodiment of the present invention.

FIG. 5 is a cross-sectional view showing still another embodiment.

FIG. 6 is a sectional view showing still another embodiment.

[Explanation of symbols]

 1 Rear Bumper 2 Spoiler 3 Rear Bumper Main Body 4 Stay 6 Plane Wing 7 Side Wing 8 Rectifying Plate 9 Rectifying Wing 11 Luggage

Claims (4)

[Claims] 1. A rear bumper for a vehicle, characterized in that a spoiler is attached substantially horizontally to a rear portion of a loading platform of a vehicle through a stay, and wide side wings are integrally provided on both sides of a plane wing of the spoiler. 2. A spoiler is attached substantially horizontally to a rear portion of a loading platform of a vehicle via stays, wide side wings are integrally provided on both sides of a plane wing of the spoiler, and a rear bumper body is provided on the plane wing of the spoiler. A rear bumper for a vehicle, which is configured by combining the above. 3. The vehicle rear bumper according to claim 2, further comprising a straightening vane provided on a front side of the vehicle for gently connecting the flat wing portion of the spoiler and the rear bumper body. 4. The vehicle rear according to claim 2, wherein a straightening vane is formed in a part of the plane wing of the spoiler on the vehicle front side so as to be smoothly connected to the rear bumper body. bumper.