JP2012116243A - Rear structure of vehicle - Google Patents

Abstract

An object of the present invention is to improve the mounting strength of a fender liner on a skeleton member side of a vehicle body with a simple configuration.
A rear structure of a vehicle includes a rear outer panel 10 supported on a skeleton member side of a vehicle body 3, a rear wheel house 11 near the front of a side panel 10a of the rear outer panel 10, and a lower side from the rear wheel house 11. It includes a fender liner 14 that extends, a rear bumper 15 that integrally covers the rear outer panel 10 and the fender liner 14 from the rear, and a vent hole 30 that penetrates the side panel 10a. A connecting body 35 is provided which is disposed on the inner side of the vehicle body 3 with respect to the vent hole 30 and extends in the vertical direction. Each part of the connecting body 35 in the longitudinal direction closes the space 31 between each side panel 10a and each lower rear surface of the fender liner 14 and the rear surface of the rear bumper 15.
[Selection] Figure 1

Description

  The present invention relates to a rear structure of a vehicle including a fender liner that extends downward from a rear end portion of an internal space of a rear wheel house and covers a rear wheel from the rear thereof.

  As a structure of a vehicle, there are those shown in Patent Documents 1 and 2 below as a first conventional technique. According to these publications, a wheel house that is formed on the side of the vehicle body and covers the wheel from above, and is provided in the inner space of the wheel house so as to cover the wheel. A fender liner to be attached is provided.

  More specifically, the following has been proposed as the second conventional technique.

  That is, the rear structure of the vehicle includes a rear outer panel that forms a lower rear surface of the rear portion of the vehicle body and is supported on the skeleton member side of the vehicle body, and a vehicle body side portion in the vicinity of the front of the side panel that constitutes the side portion of the rear outer panel. A rear wheel house formed to cover the rear wheel from above, and a fender liner extending from the rear end of the inner space of the rear wheel house to the lower region of the side panel so as to cover the rear wheel from behind. And a rear bumper extending in the width direction of the vehicle body and integrally covering the rear outer panel and the fender liner from the rear thereof, and a vent hole penetrating the side panel. Further, a negative pressure is generated in the rear space of the side panel based on the traveling wind during the traveling of the vehicle, and the negative pressure causes the air in the vehicle interior to be sucked out of the vehicle body through the vent hole. It is supposed to be discharged.

  According to the second prior art, when the vehicle is running, pebbles, mud, and the like that are splashed by the rear wheels directly collide with the rear inner surface of the wheel house and the rear surface of the rear bumper by the fender liner. Is prevented. In this way, the wheel house and the rear bumper are protected.

  Further, as described above, when the air in the passenger compartment is exhausted to the outside of the vehicle body through the vent hole based on the traveling wind during traveling of the vehicle, the passenger compartment is ventilated. For this reason, the passenger compartment is kept in a comfortable state for the occupant, for example, the passenger compartment is kept at a desired humidity and the occurrence of fogging of the windows due to humidity is prevented.

JP 2009-1113720 A JP 2010-241218 A

  By the way, in the first and second conventional techniques, the number of fasteners and clips for attaching the fender liner to the wheel house is increased in view of the vehicle traveling on a rough road and the improvement in durability. Thus, it is conceivable that the attachment strength of the fender liner to the skeleton member side of the vehicle body is further improved so that the fender liner does not easily fall off from the skeleton member side of the vehicle body.

  However, if a large number of fasteners and clips for attaching the fender liner to the wheel house are simply provided, the number of parts of the vehicle increases accordingly, and the configuration may be complicated.

  On the other hand, in the second conventional technique, as described above, the lower portions of the left and right fender liners extend to the lower areas of the side panels of the rear outer panel. A rear bumper integrally covers the rear outer panel and the left and right fender liners from behind. For this reason, the combination of the rear outer panel and the left and right fender liners has a flat inverted U shape when viewed from the rear of the vehicle body. Therefore, in the longitudinal direction of the rear bumper corresponding to the internal space of the inverted U shape. The lower back surface (front surface) of the midway portion tends to be exposed to the outside toward the front.

  Therefore, when the vehicle travels, the traveling wind tends to collide with the lower back surface of the middle part of the rear bumper directly and vigorously. Then, at least a part of the traveling wind colliding with the midway portion of the rear bumper changes the flow direction upward and enters the space in the midway portion in the vehicle body width direction between the rear outer panel and the rear bumper. It tends to flow into and further flow toward the rear space of the side panel.

  When the partial traveling wind reaches the rear space of the side panel, the partial traveling wind inhibits generation of negative pressure in the rear space of the side panel based on the traveling wind. The As a result, there is a risk that the air in the passenger compartment will be insufficiently discharged through the vent hole penetrating the side panel.

  The present invention has been made paying attention to the above situation, and the object of the present invention is to achieve an improvement in the strength of attaching a fender liner to the skeleton member side of a vehicle body with a simple configuration, and It is to ensure that the air in the passenger compartment is sufficiently exhausted based on the traveling wind.

The invention of claim 1 comprises a rear outer panel 10 that forms a lower rear surface of the rear portion of the vehicle body 3 and is supported on the frame member side of the vehicle body 3 and a side portion of the rear outer panel 10 as illustrated in all the drawings. A rear wheel house 11 formed on the side of the vehicle body 3 in the vicinity of the front of the side panel 10a and covering the rear wheel 5 from above, and a rear space of the rear wheel house 11 so as to cover the rear wheel 5 from behind. A fender liner 14 extending from the end to the lower region of the side panel 10a, a rear bumper 15 extending in the width direction of the vehicle body 3 and integrally covering the rear outer panel 10 and the fender liner 14 from the rear thereof; A vent hole 30 penetrating the side panel 10a, and the vent is caused by negative pressure generated in the rear space of the side panel 10a based on traveling wind. In the rear structure of a vehicle as the air 32 in the passenger compartment 2 through Lumpur 30 is discharged to the outside of the vehicle body 3,
A connecting body that is arranged on the inner side of the vehicle body 3 with respect to the vent hole 30 and extends in the vertical direction, and is installed on each rear surface of the side panel 10a and the lower portion of the fender liner 14 to connect the 10a and 14 35,
The rear structure of the vehicle is characterized in that each portion of the connecting body 35 in the longitudinal direction closes a space 31 between each rear surface of the lower portion of the side panel 10a and the fender liner 14 and the rear surface of the rear bumper 15. It is.

  In the second aspect of the invention, as illustrated in FIG. 4, the lower part of the connecting body 35 is formed integrally with the lower part of the fender liner 14, and the upper part of the connecting body 35 is connected to the side panel 10a behind it. The vehicle rear portion structure according to claim 1, wherein the upper portion of the connecting body 35 is connected to the side panel 10a by the locking.

  In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.

  The effects of the present invention are as follows.

According to the first aspect of the present invention, a rear outer panel that forms a lower rear surface of the rear portion of the vehicle body and is supported on the skeleton member side of the vehicle body, and a vehicle body side portion in the vicinity of the front of the side panel that constitutes the side portion of the rear outer panel is formed. A rear wheel house that covers the rear wheel from above, and a fender liner that extends from the rear end of the inner space of the rear wheel house to the lower region of the side panel so as to cover the rear wheel from behind. A rear bumper extending in the width direction of the vehicle body and integrally covering the rear outer panel and the fender liner from the rear thereof, and a vent hole penetrating the side panel, and the side panel In the rear structure of the vehicle, the air in the vehicle compartment is discharged to the outside of the vehicle body through the vent hole due to the negative pressure generated in the rear space.
A connecting body is provided that is disposed on the inner side of the vehicle body than the vent hole and extends in the vertical direction, and is provided on each rear surface of the side panel and the lower portion of the fender liner so as to connect them to each other.

  For this reason, since the said side part panel and a fender liner are mutually connected by the said connection body, the said fender liner is connected more firmly to the frame member side of a vehicle body via the said side part panel. That is, the strength of attaching the fender liner to the skeleton member side of the vehicle body is improved. Further, in this case, the connecting body is for sufficiently exhausting the air in the vehicle interior based on the traveling wind, as will be described later. And since the attachment strength of the fender liner has been improved by using the coupling body as described above, the improvement in the attachment strength of the fender liner described above is compared to the provision of a reinforcing material for attaching the fender liner separately. This is achieved at a low cost with a simple configuration.

  Further, according to the present invention, each part in the longitudinal direction of the coupling body closes the space between each side panel and the lower rear surface of the fender liner and the rear surface of the rear bumper.

  For this reason, when the vehicle travels, a part of the traveling wind flows into the space between the rear outer panel and the rear bumper in the middle part of the vehicle body in the width direction of the vehicle body. Even if it flows toward the rear space, the flow of the partial traveling wind is prevented by the connecting body. Therefore, a negative pressure based on the traveling wind is generated in the rear space of the side panel without being disturbed by the partial traveling wind, and the negative pressure causes the air in the vehicle interior to pass through the vent hole. The vehicle compartment is sufficiently ventilated.

  Further, when any external force is applied to the rear bumper from behind, the external force is supported from the rear bumper to the skeleton member side of the vehicle body via the connecting body and the side panel of the rear outer panel. Therefore, by providing the connecting body, improvement in the hand pushing rigidity to the rear bumper is also achieved.

  According to a second aspect of the present invention, the lower part of the connecting body is formed integrally with the lower part of the fender liner, and the upper part of the connecting body can be locked to the side panel from the rear side. The upper part of the body is connected to the side panel.

  For this reason, firstly, since the lower part of the connecting body is integrally formed with the lower part of the fender liner so that the mutual connection strength can be increased, the side panel of the rear outer panel and the fender liner are connected to each other. They are more firmly connected to each other by the body. Therefore, the fender liner is more firmly connected to the skeleton member side of the vehicle body via the side panel.

  Secondly, when the fender liner is assembled to the side panel of the rear outer panel, first, the upper part of the connecting body is locked to the side panel. The fender liner together with the body can be temporarily fixed and positioned at a predetermined position. Therefore, the assembling work of the fender liner can be facilitated accordingly.

FIG. 3 shows the first embodiment and is a partially enlarged view of FIG. 2. FIG. 2 is a perspective rear view showing the first embodiment and omitting the back door of the vehicle. FIG. 3 is a cross-sectional view taken along the line III-III in FIG. FIG. 2 shows a second embodiment and corresponds to FIG.

  With regard to the rear structure of the vehicle according to the present invention, it is possible to achieve an improvement in the strength of attaching the fender liner to the skeleton member side of the vehicle body with a simple configuration, and the exhaust of the air in the vehicle interior based on the traveling wind is sufficiently performed In order to realize the purpose of doing so, the form for carrying out the present invention is as follows.

  That is, the rear structure of the vehicle includes a rear outer panel that forms a lower rear surface of the rear portion of the vehicle body and is supported on the skeleton member side of the vehicle body, and a vehicle body side portion in the vicinity of the front of the side panel that constitutes the side portion of the rear outer panel. A rear wheel house formed to cover the rear wheel from above, and a fender liner extending from the rear end of the inner space of the rear wheel house to the lower region of the side panel so as to cover the rear wheel from behind. And a rear bumper extending in the width direction of the vehicle body and integrally covering the rear outer panel and the fender liner from the rear thereof, and a vent hole penetrating the side panel. Due to the negative pressure generated in the rear space of the side panel based on the traveling wind, the air in the vehicle compartment is discharged to the outside of the vehicle body through the vent hole.

  A connecting body is provided that is disposed on the inner side of the vehicle body than the vent hole and extends in the vertical direction, and is provided on each rear surface of the side panel and the lower portion of the fender liner so as to connect them to each other. Each part of the connecting body in the longitudinal direction closes a space between each side panel and each rear surface below the fender liner and the rear surface of the rear bumper.

  In order to describe the present invention in more detail, Example 1 will be described with reference to FIGS.

  1-3, the code | symbol 1 is a vehicle illustrated with a motor vehicle, and the arrow Fr has shown the front of the advancing direction of this vehicle 1. In FIG.

  The vehicle 1 includes a vehicle body 3 whose interior space is a vehicle compartment 2, and a pair of left and right front and rear wheels 4 and 5 that are suspended from the vehicle body 3 and support the vehicle body 3 on a traveling road surface. Yes.

  The rear portion of the vehicle body 3 includes a sheet metal rear wall 8 forming a rear surface thereof, and a back door (not shown) that can open and close a back door opening 9 formed in the rear wall 8. The lower part of the rear wall 8 constitutes a lower opening edge of the back door opening 9, and the lower rear surface of the rear wall 8 faces the rear outer panel 10 in the vicinity of the rear outer panel 10 and the front of the rear outer panel 10. And a rear inner panel 12 coupled to the rear outer panel 10. The rear outer panel 10 and the rear inner panel 12 are supported on the skeleton member side of the vehicle body 3 constituted by a rear portion of a vehicle body frame (not shown).

  The left and right side portions of the rear outer panel 10 are respectively constituted by side panels 10a, and the rear wheel house that covers the rear wheels 5 from above the side portions of the vehicle body 3 in the vicinity of the front of the side panels 10a. 11 is formed. The rear wheel house 11 has a ceiling panel 11a that forms an upwardly convex arc shape in a side view of the passenger compartment 2 and covers the rear wheel 5 from above, and an upper portion of the rear wheel 5 inward of the passenger compartment 2. And an inner panel 11b coupled to the ceiling panel 11a. The rear wheel house 11 is supported on the frame member side at the rear of the vehicle body 3 via the rear inner panel 12 and the like.

  A resin-made fender liner 14 extending from the rear end of the inner space of the rear wheel house 11 to the lower region of the side panel 10a is provided. Also, a resin rear bumper 15 is provided which extends in the width direction of the vehicle body 3 and integrally covers the rear outer panel 10 and the left and right fender liners 14 and 41 from the rear thereof. Firmly supported on the side.

  The fender liner 14 extends in the vertical direction and faces away from each other in the width direction of the vehicle body 3. The fender liner 14 integrally couples the outer plates 17 and 18 and the rear edges of the side plates 17 and 18. A rear plate 19, an outward flange 20 formed integrally with the front edge of the outer plate 18, and a support piece 21 that integrally projects rearward from the lower end of the rear plate 19. Yes.

  The inner plate 17 of the fender liner 14 is fixed to the inner panel 11b of the rear wheel house 11 by a first fixing tool 24, and the outward flange 20 is located above the outer edge of the longitudinal side portion of the rear bumper 15. The support piece 21 is fixed by a lower second fixing tool 25, and the support piece 21 is fixed to a lower end edge of the side portion of the rear bumper 15 by a third fixing tool 26. Thus, the fender liner 14 is supported on the skeleton member side of the vehicle body 3 via the rear wheel house 11 and the rear bumper 15. The main body of the first to third fasteners 24 to 26 is a resin clip, but these may be fasteners.

  In side view of the vehicle body 3, the side panel 10 a of the rear outer panel 10 extends substantially in the vertical direction as a whole. On the other hand, the lower portion of the fender liner 14 is positioned in a lower region of the side panel 10a and extends in a substantially vertical direction, and the upper portion of the fender liner 14 is in front of the arc shape along the upper surface of the rear wheel 5. Is bent. A space 27 communicating with each other is formed above the upper portion of the fender liner 14 and between the side panel 10 a of the rear outer panel 10 and the upper portion of the fender liner 14.

  In the side opening edge of the back door opening 9, a communication hole 29 is formed in the inner panel that forms the inner surface of the passenger compartment 2 so that the passenger compartment 2 and the space 27 communicate with each other. On the other hand, a pair of upper and lower vent holes 30 are formed in the side panel 10a. The vent holes 30 communicate the space 27 with the other spaces 31 between the rear surfaces of the side panel 10a and the lower portion of the fender liner 14 and the rear surface (front surface) of the rear bumper 15. That is, the vehicle compartment 2 communicates with the other space 31 through the communication hole 29, the space 27, and the vent hole 30. Then, the negative pressure generated in the rear space of the side panel 10a (a part of the other space 31) based on the traveling wind while the vehicle 1 is traveling passes through the communication hole 29 and the vent hole 30 to enter the interior of the vehicle compartment 2. The air 32 is sucked and discharged to the outside of the vehicle body 3.

  A connecting body 35 made of hard sponge, which is disposed near the inside of the vehicle body 3 than the vent hole 30 and extends in the vertical direction, is provided separately from the rear outer panel 10 and the fender liner 14. The coupling body 35 is installed on each rear surface of the side panel 10a and the lower portion of the fender liner 14 and is bonded to each outer surface with an adhesive, whereby the side panel 10a and the lower portion of the fender liner 14 are connected to each other. Are connected to each other.

  In addition, each part of the connecting body 35 in the longitudinal direction closes another space 31 between each rear surface of the side panel 10a and the lower portion of the fender liner 14 and the rear surface (front surface) of the rear bumper 15. Specifically, the rear surface of each part in the longitudinal direction of the coupling body 35 is elastically pressed against the rear surface of the rear bumper 15 to partition the space 31 to the left and right.

  The fender liner 14 may be made of sheet metal. The connecting body 35 may be made of resin or metal such as iron or aluminum. Further, the rear surface of each part in the longitudinal direction of the connecting body 35 may be in contact with or close to the rear surface of the rear bumper 15.

  According to the above-described configuration, it is disposed on the inner side of the vehicle body 3 with respect to the vent hole 30 and extends in the vertical direction, and is erected on the rear surfaces of the side panel 10a and the lower portion of the fender liner 14 so A connecting body 35 is provided.

  Therefore, since the side panel 10a and the fender liner 14 are connected to each other by the connecting body 35, the fender liner 14 is more firmly attached to the skeleton member side of the vehicle body 3 via the side panel 10a. Connected. That is, the strength of attaching the fender liner 14 to the skeleton member side of the vehicle body 3 is improved. Further, in this case, the connecting body 35 is for sufficiently exhausting the air 32 in the passenger compartment 2 based on the traveling wind as will be described later. Since the attachment strength of the fender liner 14 is improved by using the coupling body 35 as described above, the attachment of the fender liner 14 described above is compared with the case where a reinforcing material for attaching the fender liner 14 is separately provided. The improvement in strength is achieved at a low cost with a simple configuration.

  Here, as described above, the lower portions of the left and right fender liners 14 and 14 extend to the lower regions of the respective side panels 10a. A rear bumper 15 integrally covers the rear outer panel 10 and the left and right fender liners 14 and 14 from the rear. For this reason, the combination of the rear outer panel 10 and the left and right fender liners 14 and 14 has a flat inverted U shape in the rear view of the vehicle body 3, and therefore corresponds to the internal space of the inverted U shape. The lower rear surface (front surface) of the middle part of the rear bumper 15 in the longitudinal direction tends to be exposed to the outside toward the front.

  Therefore, when the vehicle 1 travels, the traveling wind tends to collide with the lower back surface of the middle part of the rear bumper 15 directly and vigorously. Then, at least a part of the traveling wind 37 that collides with the midway portion of the rear bumper 15 changes the flow direction upward in the width direction of the vehicle body 3 between the rear outer panel 10 and the rear bumper 15. It flows into the space in the midway part, and tends to flow toward the rear space (part of the other space 31) of the side panel 10a that is the side part of the space.

  However, according to the above-described configuration, each part of the connecting body 35 in the longitudinal direction closes the space 31 between each side panel 10a and each rear surface below the fender liner 14 and the rear surface of the rear bumper 15.

  For this reason, when the vehicle 1 travels, part of the traveling wind 37 flows into the space between the rear outer panel 10 and the rear bumper 15 in the middle of the vehicle body 3 in the width direction. Even if 37 flows toward the rear space of the side panel 10a, the flow of the partial traveling wind 37 is prevented by the connecting body 35. Therefore, a negative pressure based on the traveling wind is generated in the rear space of the side panel 10a without being obstructed by the partial traveling wind 37, and the negative holes cause the vehicle to pass through the vent holes 30 and 30. The air 32 in the compartment 2 is exhausted to the outside of the vehicle body 3, and the compartment 2 is sufficiently ventilated.

  Further, when any external force is applied to the rear bumper 15 from behind, the external force is supported from the rear bumper 15 to the skeleton member side of the vehicle body 3 via the coupling body 35 and the side panel 10a of the rear outer panel 10. . Therefore, by providing the connecting body 35, improvement in the hand pushing rigidity to the rear bumper 15 is also achieved.

  FIG. 4 below shows a second embodiment. The second embodiment is common in many respects to the configuration and operational effects of the first embodiment. Therefore, regarding these common items, common reference numerals are attached to the drawings, and redundant description thereof is omitted, and different points are mainly described. In addition, the configuration of each part in these embodiments may be variously combined in light of the object and operational effects of the present invention.

  In order to describe the present invention in more detail, Example 2 will be described with reference to FIG.

  In FIG. 4, the lower part of the connecting body 35 is formed integrally with the lower part of the fender liner 14. The fender liner 14 and the coupling body 35 are integrally formed by resin injection molding. However, the fender liner 14 and the coupling body 35 may be integrated by welding.

  A hook-shaped locked portion 40 is formed at the upper end portion of the connecting body 35, and a hole-shaped locking portion 41 for detachably locking the locked portion 40 is formed on the side panel 10a. Is formed. And if the to-be-latched part 40 of the said coupling body 35 is inserted and latched in the said latching | locking part 41, the upper part of the said coupling body 35 will be connected with the said side panel 10a by this latching. It has become.

  According to the above configuration, first, since the lower part of the connecting body 35 is integrally formed with the lower part of the fender liner 14 and the connection strength between these 14 and 35 can be increased, the side of the rear outer panel 10 can be increased. The part panel 10a and the fender liner 14 are more firmly connected to each other by the connecting body 35. Therefore, the fender liner 14 is more firmly connected to the skeleton member side of the vehicle body 3 via the side panel 10a.

  Second, when the fender liner 14 is assembled to the side panel 10a of the rear outer panel 10, first, the upper portion of the connecting body 35 is locked to the side panel 10a. The fender liner 14 together with the coupling body 35 can be temporarily fixed to the panel 10a and positioned at a predetermined position. Therefore, the work of assembling the fender liner 14 can be facilitated accordingly.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car interior 3 Car body 5 Rear wheel 10 Rear outer panel 10a Side panel 11 Rear wheel house 11a Ceiling panel 11b Inner panel 14 Fender liner 15 Rear bumper 17 Inner plate 18 Outer plate 19 Rear plate 20 Outward flange 21 Support piece 29 Communication Hole 30 Vent hole 31 Space 32 Air 35 Connecting body 37 Partial traveling wind 40 Locked portion 41 Locked portion

Claims (2)

A rear outer panel that forms a lower rear surface of the rear portion of the vehicle body and is supported on the skeleton member side of the vehicle body, and a vehicle body side portion near the front of the side panel that constitutes the side portion of the rear outer panel. A rear wheel house that covers the rear wheel, a fender liner that extends from the rear end of the inner space of the rear wheel house to the lower region of the side panel so as to cover the rear wheel from behind, and extends in the width direction of the vehicle body. A rear bumper that integrally covers the rear outer panel and the fender liner from behind, and a vent hole that penetrates the side panel, and is caused by negative pressure generated in the rear space of the side panel based on traveling wind. In the rear structure of the vehicle, the air in the passenger compartment is discharged to the outside of the vehicle body through the vent hole.
It is arranged on the inner side of the vehicle body than the vent hole and extends in the vertical direction, and is provided on each rear surface of the side panel and the lower part of the fender liner to provide a connecting body for connecting them together.
A rear structure of a vehicle according to claim 1, wherein each longitudinal portion of the coupling body closes a space between each rear surface of the lower side of the side panel and the fender liner and the rear surface of the rear bumper.   The lower part of the connecting body is formed integrally with the lower part of the fender liner, and the upper part of the connecting body can be locked to the side panel from the rear side. The rear structure of the vehicle according to claim 1, wherein the rear structure is connected to a panel.

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