JP2011121508A - Vehicle bumper cover - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To restrain the formation of an abrasion on a skin material in a corner part, even when the corner part is rubbed against an obstacle when laying all over on a vehicle. <P>SOLUTION: A vehicle bumper cover 10 includes a bumper cover body 12 constituted of a foaming body, a corner member 14 arranged on the vehicle outside of the corner part 12A formed outside in the vehicle width direction of the bumper cover body 12 and constituted of the foaming body higher in foaming power than the bumper cover body 1, and the skin material 16 for covering the bumper cover body 12 and the corner member 14 from the vehicle outside. With this constitution, even when the corner part 10A of the vehicle bumper cover 10 is rubbed against the obstacle 20 such as a wall when laying all over on the vehicle, an input load F to the corner part 10A can be absorbed by the corner member 14 of high foaming power. Thus, the formation of the abrasion on the skin material 16 in the corner part 10A can be restrained. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  The present invention relates to a vehicle bumper cover.

  Conventionally, the following is known as a bumper cover for vehicles (for example, refer to patent documents 1). That is, in the vehicle bumper cover described in Patent Document 1, an impact absorbing portion made of a foam having a low expansion ratio and a shaped portion made of a foam having a high expansion ratio are alternately arranged in the longitudinal direction of the bumper. Has been placed.

Japanese Utility Model Publication No. 6-12221 (FIG. 3) JP 2001-328135 A Japanese Patent Laid-Open No. 4-215544

  However, in the vehicle bumper cover described in Patent Document 1, both sides in the vehicle width direction are constituted by impact absorbing portions made of a foam having a low foaming ratio (that is, a foam having high rigidity). For this reason, when the corner part of the bumper cover for vehicles is rubbed against an obstacle at the time of vehicle handling, the skin material may be easily scratched at the corner part.

  The present invention has been made in view of the above-described problems, and even when the corner portion is rubbed against an obstacle at the time of vehicle handling, it is possible to prevent the skin material from being scratched at the corner portion. The purpose is to provide a bumper cover.

  In order to solve the above-described problem, a vehicle bumper cover according to claim 1 is provided at a front portion or a rear portion of a vehicle body, and includes a bumper cover main body made of foam, and an outer side in the vehicle width direction of the bumper cover main body. A corner member that is provided on the vehicle outer side of the corner portion formed on the vehicle and is configured by a foam having a higher expansion ratio than the bumper cover main body, and a skin material that covers the bumper cover main body and the corner member from the vehicle outer side, It has.

  According to this vehicle bumper cover, even when the corner portion of the vehicle bumper cover is rubbed against an obstacle during vehicle handling, the input load to the corner portion is absorbed by the corner member having a high expansion ratio (to the corner portion). Increase in surface pressure can be suppressed). Accordingly, it is possible to suppress the skin material from being scratched at the corner portion.

  The vehicular bumper cover according to claim 2 is the vehicular bumper cover according to claim 1, wherein the skin material has elasticity, and a joint surface between the bumper cover main body and the corner member is The vehicle is inclined with respect to the vehicle width direction so as to go to the center side in the vehicle front-rear direction as it goes outward in the vehicle width direction.

  According to this vehicle bumper cover, even when the corner portion of the vehicle bumper cover is rubbed against an obstacle at the time of vehicle handling, the corner member is slid relative to the bumper cover main body along each joint surface. At the same time, the skin material is partially extended at the corner. Thereby, it can suppress more effectively that an outer skin material is abraded in a corner part.

  As described above in detail, according to the present invention, even when the corner portion is rubbed against an obstacle at the time of vehicle handling, it is possible to suppress the skin material from being scratched at the corner portion.

1 is a perspective view showing an overall configuration of a vehicle bumper cover according to an embodiment of the present invention. It is a principal part expanded plan sectional view of the bumper cover for vehicles shown by FIG. It is a figure which shows the state in which the corner part of the bumper cover for vehicles shown in FIG. 2 was rubbed against the obstacle at the time of vehicle handling. It is a figure which shows the modification of the bumper cover for vehicles which concerns on one Embodiment of this invention, Comprising: It is a figure which shows the state in which the corner part of the bumper cover for vehicles was rubbed against the obstacle at the time of vehicle handling.

  Hereinafter, an embodiment of the present invention will be described.

  It should be noted that an arrow UP, an arrow FR, and an arrow OUT shown in the respective drawings described below indicate the vehicle vertical direction upper side, the vehicle front-rear direction front side, and the vehicle width direction outer side (left side).

  A vehicle bumper cover 10 according to an embodiment of the present invention shown in FIG. 1 is, for example, a front bumper cover in a vehicle such as a passenger car. As shown in FIG. 2, the vehicle bumper cover 10 includes a bumper cover main body 12, a corner member 14, and a skin material 16 as main components.

  The vehicular bumper cover 10 is substantially symmetrical. Therefore, here, the configuration of the vehicle left side of the vehicle bumper cover 10 will be described, and the description of the configuration of the vehicle bumper cover 10 on the right side of the vehicle will be omitted.

  The bumper cover main body 12 is made of, for example, a foamed material such as polyethylene, polypropylene, polystyrene, and the corner member 14 is provided on the vehicle outer side of the corner portion 12A formed on the vehicle width direction outer side of the bumper cover main body 12. It has been. The corner member 14 is made of, for example, a foam of the same material as the bumper cover main body 12, but is set to have a higher expansion ratio (that is, lower rigidity) than the bumper cover main body 12.

  Further, the corner member 14 is fixed to the corner portion 12A of the bumper cover main body 12 by, for example, adhesion or integral molding, and the joint surface 18 between the bumper cover main body 12 and the corner member 14 is formed on the corner member 14. It is formed in a planar shape along a direction parallel to the tangential direction of the outer surface. That is, in other words, the joint surface 18 is inclined with respect to the vehicle width direction so as to go to the vehicle front-rear direction center side (that is, the same as the vehicle rear side in this case) toward the vehicle width direction outer side. .

  The skin material 16 is made of, for example, a colored film having elasticity (elasticity) such as polycarbonate or polypropylene, and is in close contact with the bumper cover main body 12 and the corner member 14 described above. The corner member 14 is covered from the outside of the vehicle.

  Therefore, according to the vehicle bumper cover 10 having the above-described configuration, even when the corner portion 10A of the vehicle bumper cover 10 is rubbed against an obstacle 20 such as a wall when the vehicle is handled, as shown in FIG. The input load F to the portion 10A can be absorbed by the corner member 14 having a high expansion ratio (inhibition of increase in surface pressure to the corner portion 10A). Therefore, it is possible to suppress the skin material 16 from being scratched at the corner portion 10A.

  In addition, in the said embodiment, the skin material 16 was comprised by the colored film, However, For example, you may be comprised by the coating film formed by hardening | curing the coating material.

  Further, although the corner member 14 is fixed to the corner portion 12A of the bumper cover main body 12, it may be contacted in a free state without being bonded to the corner portion 12A of the bumper cover main body 12.

  When configured in this way, as shown in FIG. 4, even when the corner portion 10 </ b> A of the vehicle bumper cover 10 is rubbed against the obstacle 20 during vehicle handling, the corner members are aligned along the joint surfaces 18. 14 is slid relative to the bumper cover main body 12, and accordingly, the skin material 16 is partially extended at the corner portion 10 </ b> A (extended in the direction of arrow S). Thereby, it can suppress more effectively that the skin material 16 is abraded in the corner part 10A.

  The corner member 14 is bonded to the corner portion 12A of the bumper cover main body 12 with such a strength that the corner member 14 is slid with respect to the bumper cover main body 12 when a predetermined load or more is input to the corner member 14 in the tangential direction. May be.

  That is, the joint surface between the bumper cover main body and the corner member in the present invention is a concept including not only a fixed surface by, for example, adhesion or integral molding but also a contact surface that is contacted in a free state.

  In addition, a guide structure including a groove and a protrusion that slidably guides the corner member 14 with respect to the bumper cover main body 12 is formed on the joint surface 18 of the bumper cover main body 12 and the corner member 14. Also good.

  Further, although the vehicle bumper cover 10 is a front bumper cover provided at the front portion of the vehicle body, it may be a rear bumper cover provided at the rear portion of the vehicle body. In this case, the joint surface 18 described above is inclined with respect to the vehicle width direction so as to go to the vehicle front-rear direction center side (that is, the same as the vehicle front side in this case) as it goes outward in the vehicle width direction.

  Although one embodiment of the present invention has been described above, the present invention is not limited to the above, and other various modifications can be made without departing from the spirit of the present invention. It is.

DESCRIPTION OF SYMBOLS 10 Bumper cover 12 for vehicles 12 Bumper cover main body 12A Corner part 14 Corner member 16 Skin material 18 Joint surface

Claims (2)

A bumper cover body provided at the front part or rear part of the vehicle body and made of foam;
A corner member that is provided on the vehicle outer side of a corner portion formed on the vehicle width direction outer side of the bumper cover main body, and is configured by a foam having a higher expansion ratio than the bumper cover main body;
A skin material covering the bumper cover body and the corner member from the outside of the vehicle;
Bumper cover for vehicles with The skin material has elasticity,
The joint surfaces of the bumper cover main body and the corner member are inclined with respect to the vehicle width direction so as to go toward the vehicle longitudinal direction center side toward the vehicle width direction outer side.
The bumper cover for vehicles according to claim 1.

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