JP2008280014A - Rear side spoiler - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a rear side spoiler capable of obtaining a deflection effect of traveling wind flowing on a bottom side part of a vehicle while miniaturizing the spoiler. <P>SOLUTION: This rear side spoiler A is mounted to a corner defining a front edge bottom part of a rear wheel house among a side bottom part 107 of a vehicle 100. This spoiler comprises an extension part extending forward of the vehicle from a front edge of the rear wheel house 104 and formed from a vehicle side face to a vehicle bottom face, and a projection part 20 projecting like a collar outward of the vehicle from the extension part from the vehicle side face to the vehicle bottom face at the front edge of the rear wheel house 104. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a rear side spoiler that rectifies an airflow around a rear wheel house that is generated when a vehicle travels.

  One factor that deteriorates the air drag coefficient (Cd value) of the vehicle is that traveling wind passing under the floor of the vehicle flows out from the rear wheel house to the side of the vehicle. It is considered that the driving wind that passes under the floor of the vehicle flows out from the rear wheel house to the side of the vehicle because the driving wind that flows on the lower side of the vehicle adheres to the side of the rear wheel and disturbs the airflow. ing.

  As a technique for preventing the running wind from flowing out from the rear wheel house, for example, there is a technique of providing a flap and a side spoiler disclosed in Patent Document 1 to rectify the front of the rear wheel. The side spoiler of Patent Literature 1 gradually protrudes outward from the vehicle toward the front edge of the rear wheel house. The side spoiler of Patent Document 1 is provided from the rear edge of the front wheel house to the front edge of the rear wheel house, but there is also provided as a separate member only in the vicinity of the front edge of the rear wheel house. .

JP 2004-106585 A

  The side spoiler that gradually protrudes outward from the vehicle toward the front edge of the rear wheel house as described above is designed to minimize the turbulence of the traveling wind that flows on the lower side of the vehicle. The degree of deflection depends on the size of the spoiler in the vicinity of the front edge of the rear wheel house (the amount of protrusion outward of the vehicle and the length in the vehicle front-rear direction). Therefore, in order to sufficiently deflect the traveling wind, it is necessary to enlarge the side spoiler. However, when the layout is such that the rear wheel house and the side door are close to each other, the size of the spoiler is limited. Moreover, there is a case where it is desired to reduce the size of the spoiler due to the design of the lower side of the vehicle.

  Accordingly, an object of the present invention is to provide a rear side spoiler capable of obtaining a deflection effect of traveling wind flowing on the lower side of a vehicle while achieving downsizing.

  According to the present invention, in a rear side spoiler attached to a corner that defines a front edge lower portion of a rear wheel house in a lower portion of a side surface of the vehicle, the vehicle is extended forward from the front edge portion of the rear wheel house. The extended portion formed from the vehicle side surface to the vehicle lower surface and the front edge portion of the rear wheel house protruded in a bowl shape from the extended side portion to the vehicle lower surface from the vehicle side surface to the vehicle outer surface. A rear side spoiler characterized by comprising a protrusion is provided.

  In the rear side spoiler of the present invention, the projecting portion projects in a hook shape from the extended portion to the outside of the vehicle, so that stagnation of traveling wind occurs in front of the projecting portion. Since the traveling wind that flows to the rear of the vehicle beyond the rear side spoiler flows to the rear of the vehicle while avoiding stagnation, it is possible to prevent the traveling wind from being largely deflected outward and attached to the side surface of the rear wheel. For this reason, the effect of deflecting the traveling wind flowing on the lower side of the vehicle can be obtained while reducing the size.

  In this invention, the structure where the front surface of the said protrusion part is a plane may be sufficient. According to this structure, generation | occurrence | production of the stagnation mentioned above can be accelerated | stimulated.

  In the present invention, the extending portion may have a side surface directed outward from the vehicle toward the vehicle rear side from the vehicle front side. According to this configuration, the traveling wind can be deflected more greatly toward the outside of the vehicle.

  Further, in the present invention, a configuration may be further provided that includes a second projecting portion that is disposed away from the projecting portion in front of the vehicle and projects downward from the extending portion. According to this configuration, it is possible to form a stagnation in front of the second projecting portion and between the projecting portion and the second projecting portion, so that the traveling wind can be deflected more outwardly.

  In the present invention, the projecting portion, the second projecting portion, and the extending portion are integrally formed, and the extending portion connects the projecting portion and the second projecting portion. The rib part may have a groove that engages with a flange joint part of the side sill part of the vehicle. According to this configuration, it is possible to improve the rigidity of the protruding portion and the second protruding portion, and it is possible to more reliably fix the rear side spoiler to the vehicle body.

  As described above, according to the present invention, it is possible to provide a rear side spoiler capable of obtaining a deflection effect of traveling wind flowing on the lower side of the vehicle while achieving downsizing.

<First Embodiment>
FIG. 1 is a side view of a vehicle 100 to which a rear side spoiler A according to the first embodiment of the present invention is attached and a perspective view of the rear side spoiler A, and FIG. 3 is a perspective view of the rear side spoiler A viewed from the back side. Referring to FIG. 1, a vehicle (automobile) 100 includes a front wheel 101, a front wheel house 102, a rear wheel 103, a rear wheel house 104, a front side door 105, and a rear side door 106.

  The rear side spoiler A is attached to a corner portion that defines a lower front edge of the rear wheel house 104 in the lower side surface 107 of the vehicle 100. In the present embodiment, the lower portion 107 of the side surface of the vehicle 100 has a downward concavity shape that is curved so that the vehicle width decreases toward the lower side. In such a vehicle 100, the traveling wind that flows to the side of the lower side surface 107 tends to adhere to the side surface of the rear wheel house 104 due to its shape, so that the effect of rectifying the traveling wind by providing the rear side spoiler A is high.

  The rear side spoiler A includes a fillet portion 10, a protruding portion 20, and a back plate portion 30. In the present embodiment, these are integrally formed. However, they may be separately configured and assembled. The rear side spoiler A is made of resin in the present embodiment. The fillet portion 10 extends from the front edge portion of the rear wheel house 104 to the front of the vehicle, and forms an extending portion formed from the side surface to the lower surface of the vehicle 100. It is partially covered.

  The fillet portion 10 includes a side portion 11 that covers the side surface of the vehicle 100 and a lower portion 12 that covers the lower surface of the vehicle 100, and a rib portion 13 and attachment portions 14 and 15 are formed in the lower portion 12. As shown in FIG. 3, attachment members 11 a and 11 b such as fasteners are welded to the back surface of the side portion 11. The attachment portions 14 and 15 have a boss shape that forms an attachment hole to the vehicle body.

  The rib portion 13 extends in the front-rear direction of the vehicle 100 and has a groove that opens upward. The flange joint portion 107a of the side sill portion that constitutes the side surface lower portion 107 of the vehicle 100 is inserted into and engaged with this groove. 2 is a cross-sectional view (end view) taken along the line II of FIG. As shown in the figure, the side sill portion constituting the lower side surface 107 is composed of a side sill outer plate 108a, a side sill inner plate 108b, and a reinforcing plate 108c, and the respective lower edges thereof are joined and inserted into the groove of the rib 13. ing. In the case of this embodiment, the groove of the rib portion 13 and the flange joint portion 107a are engaged, so that the rigidity of the rear side spoiler A can be improved, in particular, the protrusion 20 can be reinforced, and the rear side spoiler A can be attached to the vehicle body. Fixing can be performed more reliably.

  Further, as shown in FIG. 2, the attachment member 11 a is fitted with the side sill outer plate 108. In addition, in the same figure, the attachment member 11b not shown is also the same. Further, rivets 14a and 15a are inserted into the mounting holes of the mounting portions 14 and 15, and are fitted into the side sill outer plate 108 and the side sill inner plate 108b, respectively. With such a configuration, the rear side spoiler A is attached to the vehicle 100.

  With reference to FIG. 1, the protruding portion 20 extends from the fillet portion 10 to the vehicle outer side (vehicle width direction outer side and vehicle lower side) from the side surface to the lower surface of the vehicle 100 at the front edge portion of the rear wheel house 104. It protrudes in a shape. In the case of the present embodiment, the protruding portion 20 has a plate shape and protrudes in a direction substantially perpendicular to the vehicle front-rear direction, but may be slightly inclined toward the rear of the vehicle. Moreover, in this embodiment, although the front surface 20a of the protrusion part 20 is a plane, it is good also as a curved surface.

  With reference to FIG. 3, the back plate portion 30 is a portion applied to the inner surface of the front edge of the rear wheel house 104 and is formed continuously with the protruding portion 20 in the present embodiment.

  Next, the operation of the rear side spoiler A having such a configuration will be described with reference to FIG. 4 is a cross-sectional view (end view) taken along line II-II in FIG.

  In the rear side spoiler A of the present embodiment, the projecting portion 20 projects in a bowl shape from the fillet portion 10 to the outside of the vehicle, so that the fillet portion 10 and the projecting portion 20 form a valley shape with respect to the traveling wind flow direction. To do. For this reason, the stagnation of the traveling wind is generated in a wedge shape in front of the protruding portion 20 (region S in FIG. 4). That is, in this embodiment, the turbulence of the traveling wind is locally generated. At this time, if the front surface 20a of the protruding portion 20 is a flat surface as in the present embodiment, the occurrence of stagnation can be promoted more than when it is a curved surface.

  Since the traveling wind that flows to the rear of the vehicle beyond the rear side spoiler A flows to the rear of the vehicle while avoiding stagnation, it is possible to prevent the traveling wind from being largely deflected outward and attached to the side surface of the rear wheel 103. As a result, the conventional side spoiler having the outer edge shape of the size indicated by the region S in FIG. 4 is compared with the side spoiler that gradually protrudes toward the front edge of the rear wheel house. A deflection effect equivalent to that of the vehicle can be obtained even though the longitudinal length of the vehicle and the protruding amount outside the vehicle are small. Therefore, in the rear side spoiler A of the present embodiment, the effect of deflecting the traveling wind flowing on the lower side of the vehicle 100 can be obtained while reducing the size.

  As shown in FIG. 4, in the present embodiment, the side portion 11 of the fillet portion 10 has a side surface directed outward from the vehicle toward the vehicle rear side from the vehicle front side. According to this configuration, it is possible to promote the spread of the stagnation and to deflect the traveling wind more outwardly.

Second Embodiment
FIG. 5 is a side view of the vehicle 100 with the rear side spoiler B according to the second embodiment of the present invention attached thereto, and a perspective view of the rear side spoiler B. FIG. 6 is a perspective view of the rear side spoiler B viewed from the back side. It is a front view of the rear side spoiler B. The rear side spoiler B of the present embodiment is a rear side spoiler A of the first embodiment provided with a protruding portion 40, and the other configurations are the same. Therefore, the same code | symbol is attached | subjected about the structure similar to the rear side spoiler A of the said 1st Embodiment, and description is abbreviate | omitted.

  In the case of the present embodiment, the projecting portion 40 has a plate shape, is spaced apart from the projecting portion 20 in the front of the vehicle, and projects from the fillet portion 10 downward in the shape of a bowl. The protrusion 40 protrudes in a direction substantially orthogonal to the vehicle front-rear direction, but may be slightly inclined toward the rear of the vehicle. Moreover, in this embodiment, although the front surface of the protrusion part 40 is a plane, it is good also as a curved surface.

  In the case of this embodiment, the fillet part 10, the protruding part 20, the back plate part 30 and the protruding part 40 are formed integrally, and the rib part 13 connects the protruding part 20 and the protruding part 40. For this reason, in addition to the effect of the rib part 13 demonstrated in the said 1st Embodiment, there exists an effect that the improvement of the rigidity of the protrusion part 20 and the protrusion part 40 can be aimed at. The projecting portion 20 and the projecting portion 40 may be configured to be attached to the vehicle 100 as separate parts. However, by integrally forming the projecting portion 20 and the projecting portion 40 as in the present embodiment, the positioning of both is facilitated and the workability of the mounting operation can be improved. .

  In the case of this embodiment, as shown in FIG. 7, the protruding portion 40 is disposed at a position overlapping the protruding portion 20 when viewed from the front of the vehicle, and is formed smaller than the protruding portion 20. By making the protrusion 40 small, it is possible to reduce the influence on the boarding / exiting property of the rear side door 106 and the design of the side lower portion 107 of the vehicle 100. Furthermore, in the case of this embodiment, since the protrusion part 40 is located under the side sill part, those influences are the minimum.

  In the case of this embodiment, the protrusion part 20 and the protrusion part 40 have comprised the substantially similar shape by the vehicle front view. In the case of this embodiment, more specifically, the outer edge shape of the protrusion 20 on the outer side in the vehicle width direction and the lower side of the vehicle and the outer edge shape of the protrusion 40 on the outer side in the vehicle width direction and the lower edge of the vehicle are substantially similar. It has a shape.

  Next, the operation of the rear side spoiler B having such a configuration will be described with reference to FIG. 8 is a cross-sectional view (end view) taken along line III-III in FIG.

  In the rear side spoiler B of the present embodiment, in addition to the stagnation of traveling wind being formed in front of the protrusion 20 (region S1), the stagnation of traveling wind is also formed in front of the protrusion 40 (region S2). ). By forming the stagnation in two stages, the overall width and longitudinal length of the stagnation can be increased, and the traveling wind that flows to the rear of the vehicle beyond the rear side spoiler B is deflected more outwardly and adheres to the side surface of the rear wheel 103. Can be prevented.

  Moreover, in this embodiment, since the protrusion part 20 and the protrusion part 40 have comprised the substantially similar shape by the vehicle front view, the stagnation in front of the protrusion part 40 (area | region S2) and the stagnation in front of the protrusion part 20 are included. The continuity of the extension with (region S1) is improved, and the traveling wind that flows toward the rear of the vehicle while avoiding stagnation can be more effectively deflected outwardly.

1 is a side view of a vehicle 100 to which a rear side spoiler A according to a first embodiment of the present invention is attached, and a perspective view of the rear side spoiler A. FIG. It is sectional drawing (end view) which follows the II line | wire of FIG. It is the perspective view which looked at the rear side spoiler A from the back side. It is sectional drawing (end view) which follows the II-II line | wire of FIG. It is the side view of the vehicle 100 which attached the rear side spoiler B which concerns on 2nd Embodiment of this invention, and the perspective view of the rear side spoiler B. It is the perspective view which looked at the rear side spoiler B from the back surface side. It is a front view of the rear side spoiler B. It is sectional drawing (end view) which follows the III-III line of FIG.

Explanation of symbols

A, B Rear side spoiler 100 Vehicle 104 Rear wheel house 107 Side lower part 107a Flange joint 10 Fillet part 13 Rib 20, 40 Projection part

Claims (5)

In the rear side spoiler attached to the corner that defines the lower part of the front edge of the rear wheel house among the lower side of the vehicle,
Extending from the front edge of the rear wheel house to the front of the vehicle, and extending from the vehicle side surface to the vehicle lower surface; and
In the front edge portion of the rear wheel house, a protruding portion protruding in a bowl shape from the extending portion to the vehicle outer side from the vehicle side surface to the vehicle lower surface,
The rear side spoiler characterized by having.   The rear side spoiler according to claim 1, wherein a front surface of the protruding portion is a flat surface.   3. The rear side spoiler according to claim 1, wherein the extending portion has a side surface directed outward from the vehicle toward the vehicle rear side from the vehicle front side. 4. Furthermore,
The rear side according to any one of claims 1 to 3, further comprising a second projecting portion that is disposed apart from the projecting portion in front of the vehicle and projects downward from the extending portion. Spoiler. The protruding portion, the second protruding portion, and the extending portion are integrally formed,
The extending portion is
A rib portion connecting the protruding portion and the second protruding portion;
The rear side spoiler according to claim 4, wherein the rib portion has a groove that engages with a flange joint portion of a side sill portion of the vehicle.

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