JPH11348829A - Mudguard structure in rear part of vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mudguard structure in a rear part of a vehicle, which can effectively prevent entrance of dust and noise from a road into a cabin without increasing the size of an air-ventilation grille, the number of components and the manhours of assembling. SOLUTION: A mudguard structure 1 having a front protector 10 and a lower protector 30 which are arranged in front of and below an air vent hole, respectively, is provided in a rear quarter panel part which is covered with a side part of a bumper. Dust and noise adapted to enter from a road, in front of the air vent hole, are blocked by the front protector 10, and dust and noise adapted to enter from a road below the air vent hole are blocked by the lower protector 30. Further, the front and lower protectors 10, 30 are integrally incorporated with each other, thereby it is possible to attach the mudguard structure without increasing the number of component parts and the manhours of assembling.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mudguard structure at the rear of a vehicle having an air vent hole in a rear quarter panel of a vehicle body.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Publication No. Sho 61-52005 and Japanese Utility Model Laid-Open Publication No. Hei 4-35906, a portion of a rear quarter panel covered by a side portion of a rear bumper is conventionally provided. One provided with an air ventilation grill is known.

The air vent hole opened in the air ventilation grill opens the air vent hole when the internal pressure of the vehicle interior rises to release excess air to the outside, while preventing outside air or air from entering the room from outside. A flap is provided to close the air vent hole against dust and block these intrusions.

However, due to a sudden opening / closing operation of the door or the like, the external air flows backward into the vehicle compartment for a moment until the flap closes the air vent hole, and is attached or deposited on the rear surface of the rear bumper with this backward flow. Dust and the like may be sucked into the passenger compartment. In addition, since the flap is formed of a flexible thin plate to improve the operation responsiveness, road noise and the like during traveling reflected by the rear bumper rear surface facing the air vent hole can be effectively shielded. Instead, the road noise may enter the passenger compartment.

As a countermeasure against this, there is known a technique in which an integral or separate shielding wall is provided on the outer periphery of the air ventilation grill main body.

[0006]

However, as described above, if the shielding wall is provided integrally on the outer periphery of the air ventilation grill main body, the air ventilation grill becomes large, and the work such as assembly and disassembly and the like are performed. While the handling becomes complicated, when the shielding wall is provided separately, the number of parts and the number of assembling steps increase, and there is a new concern about an increase in manufacturing cost.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention in view of the above point is to effectively prevent dust and road noise from entering a passenger compartment without enlarging an air ventilation grill and increasing the number of parts and assembly steps. It is an object of the present invention to provide a mudguard structure at the rear of the vehicle that can be prevented.

[0008]

According to a first aspect of the present invention, there is provided a mudguard structure for a rear portion of a vehicle, wherein the rear quarter panel has an air vent hole in a portion of the rear quarter panel which is covered by a side portion of a bumper. In the mudguard structure provided inside the side portion of the bumper, a front protector is provided in front of the air vent hole so as to face a rear wheel and mounts and supports a rear wheel mudguard; and A support portion for fixing to the quarter panel and a lower protector supported by the support portion and protruding from the rear quarter panel side and covering below the air vent hole are integrally formed.

According to the first aspect of the present invention, dust and road noise that enter from the front of the air vent hole are prevented by the front protector that mounts and supports the mud guard, and dust and road noise that enter from below the air vent hole. Road noise can be prevented from entering each by the lower protector. Further, since the front protector, the lower protector, and the mounting portion for mounting to the rear quarter panel are integrally formed, the number of parts and the number of assembling steps are not increased, and the air ventilation grill can be enlarged. Absent.

According to a second aspect of the present invention, in the mudguard structure for a rear portion of the vehicle according to the first aspect, a lower end of the bumper skin is formed by bending an outer portion of the lower protector at a side portion of the bumper inward of the bumper skin. It is characterized in that it is vertically overlapped with an edge and a gap.

According to the second aspect of the present invention, dust and road noise that invade into the air vent hole from below always hit the lower edge of the bumper skin or the lower protector. Intrusion directly from the hole is prevented. In addition, a gap is formed between the outer portion of the lower protector and the lower edge of the bumper skin that is bent inward of the body of the bumper skin. It is discharged well through this gap without staying inside the part.

According to a third aspect of the present invention, in the mudguard structure for a rear portion of the vehicle according to the first or second aspect, the front end of the front protector and the lower end of the lower protector are continuously formed.

According to the third aspect of the present invention, the front protector and the lower protector formed continuously with each other are continuously covered downward from the front of the air vent hole, and dust and road noise from the front and below the air vent hole. In addition, the front protector and the lower protector are connected to each other to improve the rigidity of the mudguard structure.

According to a fourth aspect of the present invention, in the mudguard structure for a rear portion of the vehicle according to the first or second aspect, the front ends of the front protector and the lower protector are continuously formed with a bumper skin mounting portion interposed therebetween. . According to the fourth aspect of the invention, in addition to the third aspect of the present invention, there is no need to provide another member having a bumper skin mounting portion, and the number of parts and the number of assembly steps can be reduced accordingly.

According to a fifth aspect of the present invention, in the mudguard structure for a rear part of the vehicle according to the fourth aspect, the bumper skin mounting portions are formed at at least two or more locations having different heights from each other. According to the invention of claim 5, at least two kinds of bumper skins having different shapes and the like can be commonly handled by the same mudguard structure, and the number of types of parts can be reduced.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a mudguard structure for a rear portion of a vehicle according to the present invention will be described with reference to the drawings.

(First Embodiment) FIG. 1 is a perspective view showing a mudguard structure 1 at a rear portion of a vehicle according to the present embodiment, and FIG.
3 is a sectional view taken along line AA of FIG. 1, FIG. 3 is a sectional view taken along line BB of FIG.
FIG. 2 is a side view as viewed from the direction of arrow C in FIG. 1. Note that the arrow X direction in FIG. 1 indicates a forward direction of the vehicle body, and the arrow Y direction indicates an outward direction in the vehicle body width direction.

The mudguard structure 1 shown in FIG. 1 is made of resin, and includes a front protector 10, a support portion 20, a lower protector 30, and a bumper skin mounting portion 40 as main components. Attached below an air ventilation grill 62 provided on a rear quarter panel 61 of the vehicle body 60 shown. FIG. 5 shows the left side surface of the rear part of the vehicle body 60, and a similar mudguard structure is attached to the right side surface, but the description thereof will be omitted.

The front protector 10 is formed in a substantially plate shape as shown in FIG. 1 and is disposed substantially perpendicular to the longitudinal direction of the vehicle body and opposed to a rear wheel (not shown) and behind the rear wheel. ing. At the upper outer corner of the front protector 10, the front protector 10 is mounted on the wheel arch 6 of the vehicle body 60 shown in FIG.
A through hole 11 for fixing near the lower end of 3 is drilled, and a through hole 12 for attaching and supporting a mud guard 64 is drilled in the lower vehicle body corner.

The support portion 20 is formed in a plate shape extending rearward from an end of the front protector 10 on the vehicle body side.

A bracket 21 is provided on the upper end of the front part of the support part 20.
The bracket 21 is provided with a mounting hole 22a. Further, a plurality of mounting holes 22b, 22c, 22d are also formed near the upper end of the support portion 20 in the vehicle longitudinal direction. A plurality of reinforcing ribs 23 are provided on a side surface of the support portion 20 on the vehicle body side in a vertical direction.

The lower protector 30 has a rear end connected to a lower portion on the rear end side of the support portion 20 and a front end connected to the support portion 2.
It is formed so as to project from the rear quarter panel 61 to the side of the vehicle body when it is connected to a rib 42 provided between the zero and a later-described bumper skin mounting portion 40 and mounted on the vehicle body 60.

The lower protector 30 has a protector body 31 formed in a plate shape elongated in the front-rear direction, a hanging part 32 hanging from an end of the protector body 31 on the vehicle body side as shown in FIG. And a flange portion 33 which is bent inwardly of the vehicle body along the lower end edge of the vehicle body. A plurality of reinforcing ribs 34 are provided on the lower surface of the protector main body 31.

A triangular space S1 is formed between the lower protector 30 and the support 10. In addition, this space S1 may be made small or closed as necessary.

The bumper skin mounting portion 40 is provided between the front protector 10 and the rib 42, and the bumper skin mounting portion 40 is provided at two positions immediately behind the front protector 10. These bumper skin mounting portions 40 are:
The positions in the vehicle width direction and the vertical direction are different, and a through-hole 41 is formed in each bumper skin mounting portion 40.

The rear quarter panel 61 of the vehicle body 60
The air ventilation grill 6 as shown in FIG.
2 are incorporated. An air vent hole 62a is opened in the air ventilation grill 62, and the air vent hole 62a is closed from the outside by a flap 62b as a check valve. The flap 62b is formed of a thin plate in order to increase the operation responsiveness.

The flap 62b opens the air vent hole 62a as shown by a broken line when the internal pressure of the cabin R1 rises to release excess air from the external space R2 formed between the vehicle body 60 and the bumper skin 51. On the other hand, the air vent hole 62a is closed as shown by a two-dot chain line to prevent the air from entering the vehicle interior R1 from the external space R2.

Next, the assembling of the mudguard structure 1 configured as described above to the vehicle body 60 will be described.

The mudguard structure 1 is attached to a rear quarter panel 61 of a vehicle body 60 as shown in FIG. That is, the mudguard structure 1 is positioned at a predetermined position of the rear quarter panel 61, and as shown in FIG. 2, the mudguard structure 1 is formed in the through-hole 22 a formed in the bracket 21 of the support portion 20 of the mudguard structure 1 and in the inner panel 64. The screw grommet 71 is passed through the through hole 64a.
A screw 70 is screwed into the screw 1 and fixed by a screw grommet 71 which can be spread.

Similarly, the through holes 64b, 64c, 64d formed in the flange portions of the rear quarter panel 61 and the inner panel 64, which overlap each other, and the through holes 22b, 22c, 22d of the support portion 20 are respectively inserted. It is fixed to the rear quarter panel 61 by a screw grommet 71 and a screw 70 (only a part is shown).

Next, the front protector 10 is inserted into the through hole 1.
1 is fixed to the wheel arch 63 by penetrating the screw grommet and the screw. Subsequently, as shown in FIGS. 2 and 4, a part of the bumper skin 51 of the bumper 50 is fixed to the bumper skin mounting portion 40 by the clip 73. Then, the screw is inserted through the through hole 12 of the front protector 10 to fix the mud guard 64, and the assembly of the mudguard structure 1 is completed.

In the mudguard structure 1 thus assembled, the front protector 10 is provided with an air vent hole 62a as shown in FIG.
The lower protector 30, which is located in front of the vehicle body and opposed to the rear wheel, and is formed continuously through the front protector 10 and the bumper skin mounting portion 40, is located below the air vent hole 62a as shown in FIG. With the lower protector 30
Outer portion 30a and the lower edge 51a of the bumper skin 51
Is overlapped with the inner portion 51b via a gap S2.

According to the mudguard structure 1 according to the present embodiment,
The front protector 10 prevents dust and road noise from entering from the front of the air vent hole 62a, and the lower protector 30 prevents dust and road noise from entering from below the air vent hole 62a. Can be. Further, since the front protector 10 and the lower protector 30 are integrally formed, the strength is improved, and the number of parts and the number of assembling steps are not increased.
Further, unlike the related art, there is no need to provide a shielding wall on the air ventilation grill 62, so that it is possible to avoid an increase in the size of the air ventilation grill 62.

The outer portion 30 of the lower protector 30
a overlaps with the inner portion 51b of the lower edge 51a of the bumper skin 51 in the side portion of the bumper 50, so that the air vent hole 62 can be seen from below indicated by the dashed arrow.
The dust or road noise that is going to enter the “a” is necessarily the lower edge 51 a of the bumper skin 51 or the lower protector 30.
Therefore, it is possible to prevent dust and road noise from directly entering from the air vent hole 62a.

In other words, even if a negative pressure is generated in the cabin R1 due to the sudden opening and closing of the door and a backflow of air is generated, dust and the like do not directly enter the air vent hole 62a. On the other hand, the outer portion 30a of the lower protector 30
A gap S2 is formed between the bumper side portion and the inner portion 51b of the lower edge 51a of the bumper skin 51, so that the air discharged from the air vent hole 62a
As shown by the solid line arrow in FIG. 3, it is possible to discharge well through the gap S2 without collecting inside the bumper side portion.

Further, since the mudguard structure 1 has the bumper skin mounting portion 40 and there is no need to provide another member having the bumper skin mounting portion 40, the number of parts and the number of assembling steps can be reduced accordingly. it can. Further, when the bumper skin mounting portions 40 are formed at at least two locations having different height positions, the same bumper skins 51 and 51 ′ having different shapes or the like (see FIG. 2) are used. Since the mudguard 1 can cope in common, it is possible to reduce the types of parts.

(Embodiment 2) Next, a second embodiment of the mudguard structure at the rear of the vehicle according to the present invention will be described with reference to FIGS.

FIG. 6A is a perspective view showing the mudguard structure 2 according to the present embodiment as viewed obliquely from the upper front side, and FIG. 6B.
Is a perspective view seen from obliquely below the front side, and FIG.
Is a top view and FIG. 7B is a side view. FIG. 8 shows a state where the mudguard structure 2 is attached to a rear quarter panel 61 of a vehicle body 60.

The main difference between the mudguard structure 2 shown in each of these figures and the aforementioned mudguard structure 1 is that the front protector 10
The difference is that the position of the support portion 20 that supports the lower protector 30 is different, and that the two bumper skin mounting portions 40 are provided at the same height.

The basic structure of the mudguard structure 2 of the present embodiment is the same as that of the mudguard structure 1 of the first embodiment. That is, the mudguard structure 2 is provided with the front protector 1 so that the portions corresponding to those in FIGS.
0, the support portion 20, the lower protector 30, and the bumper skin attaching portion 40 are integrally formed, and the front protector 10 allows dust and the like from the front to pass through the air vent hole 62a of the air ventilation grill 62. The lower protector 30 prevents dust and the like from entering the cabin through the air vent hole 62 a of the air ventilation grill 62.

According to the structure of the mudguard structure of the second embodiment, the structure can be simplified as compared with the first embodiment.

[0042]

According to the above-described mudguard structure at the rear of the vehicle, dust and road noise which are likely to enter from the front of the air vent hole will enter from the front protector for mounting and supporting the mudguard and from below the air vent hole. Dust and road noise can be effectively prevented from entering by the lower protector.
The front protector and the lower protector are integrally configured, which prevents the number of parts and the number of assembly steps from increasing, and contributes to the automobile industry in combination with the simplicity of the configuration. It is.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a mudguard structure at a rear portion of a vehicle according to a first embodiment of the present invention.

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

FIG. 3 is a sectional view taken along line BB of FIG. 1;

FIG. 4 is a side view as seen from the direction of arrow C in FIG. 1;

FIG. 5 is a perspective view showing a mounting position of the mudguard structure according to the first embodiment.

FIGS. 6A and 6B are explanatory views of a mudguard structure at the rear of the vehicle according to a second embodiment of the present invention, wherein FIG. 6A is a perspective view of the mudguard structure as viewed from obliquely above the front side, and FIG. It is the perspective view seen from the lower part.

FIG. 7 is an explanatory view of the second embodiment, and FIG.
2 is a top view of the mudguard structure, and FIG. 2B is a side view of the mudguard structure.

FIG. 8 is a side view showing the attachment position of the mudguard structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Mudguard structure 2 Mudguard structure 10 Front protector 20 Support part 30 Lower protector 30a Outside part 40 Bumper skin attaching part 50 Bumper 51 Bumper skin 51a Lower edge 51b Inner part 60 Body 61 Rear quarter panel 62 Air ventilation grill 62a Air vent 62b flap 64 mudguard R1 cabin

Claims (5)

[Claims] 1. A mudguard structure provided inside a side portion of a bumper at a rear portion of a vehicle body, wherein an air vent hole is provided in a portion of the rear quarter panel which is covered by the side portion of the bumper; A front protector which is disposed opposite to the rear wheel and mounts and supports a rear wheel mudguard; a support portion for fixing the front protector to the rear quarter panel; and the rear quarter panel supported by the support portion. A mudguard structure at a rear portion of a vehicle, wherein a lower protector projecting from a side and covering a lower portion of the air vent hole is integrally formed. 2. An outer portion of the lower protector is vertically overlapped with a lower end edge of a bumper skin formed by bending inward of a vehicle body at a side portion of the bumper through a gap. Item 7. A mudguard structure at the rear of the vehicle according to Item 1. 3. The mudguard structure according to claim 1, wherein the front ends of the front protector and the lower protector are continuously formed. 4. The mudguard structure for a rear portion of a vehicle according to claim 1, wherein the front ends of the front protector and the lower protector are continuously formed with a bumper skin mounting portion interposed therebetween. 5. The mudguard structure for a rear portion of a vehicle according to claim 4, wherein the bumper skin mounting portions are formed at at least two places having different height positions.