JP2009208546A - Front part structure for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front part structure for an automobile capable of efficiently feeding external air from an opening part for introducing the external air to a mounted equipment such as a heat exchanger even when a fog lamp is installed at a position corresponding to the opening part for introducing the external air of a bumper face. <P>SOLUTION: The front part structure for the automobile is provided with the bumper face 6 arranged on a front surface of the automobile 1 and formed with the opening part 10; an air duct 30 for rearwardly leading the external air introduced from the opening part 10; and the fog lamp 14 arranged at a position where it is overlapped with the opening part 10 viewed from a front surface side of the automobile 1. A wall part 48 opposed to the opening part 10 and extending in a vehicle width direction is provided on the air duct 30, and a front surface of the fog lamp 14 is arranged so as to be laid along a front surface of the wall part 48. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a front structure of an automobile configured to introduce outside air from an opening formed in a bumper face.

  With regard to the front structure of an automobile, a technique has been proposed in which an opening is formed in a bumper face, and outside air introduced from the opening is guided to a mounted device such as an intercooler (heat exchanger) through an air duct. When a fog lamp is attached to this type of automobile, the fog lamp may be installed at a position corresponding to the opening of the bumper face, that is, inside the air duct (see Patent Document 1).

Japanese Utility Model Publication No. 4-28151

  However, when a fog lamp is installed inside the air duct, there is a problem that the airflow in the air duct toward the mounted device receives a large resistance by the fog lamp, and the amount of outside air sent to the mounted device is reduced.

  Therefore, the present invention can efficiently send outside air from the outside air introduction opening to a mounted device such as a heat exchanger even when a fog lamp is installed at a position corresponding to the outside air introduction opening of the bumper face. An object is to provide a front structure of an automobile that can.

In order to solve the above problem, the front structure of an automobile according to the first invention of the present application is:
A bumper face disposed in front of the automobile and having an opening formed therein;
An air duct for guiding outside air introduced from the opening to the rear;
A fog lamp disposed at a position overlapping the opening as viewed from the front side of the automobile, and a front structure of the automobile,
The air duct includes a wall portion facing the opening and extending in the vehicle width direction,
The front surface of the fog lamp is arranged so as to be along the front surface of the wall portion.

  The front structure of an automobile according to a second invention of the present application is characterized in that, in the first invention, the wall portion of the air duct is provided integrally with a bezel surrounding the fog lamp.

The front structure of an automobile according to the third invention of the present application is the first or second invention,
The automobile has a heat exchanger disposed obliquely behind the fog lamp and connected to the air duct, and the fog lamp is moved to the side of the heat exchanger when the fog lamp moves backward by receiving an external force from the front side. And a guide means for guiding.

The front structure of an automobile according to a fourth invention of the present application is the third invention,
The air duct includes a duct member that is separate from the bezel surrounding the fog lamp and extends rearward from one end in the vehicle width direction of the wall portion,
The guide means is a slide means for sliding the bezel along a side surface of the duct member.

The front structure of an automobile according to a fifth invention of the present application is the fourth invention,
The sliding means includes a plurality of ribs formed on the outer side surface of the duct member so as to extend in the front-rear direction and at intervals in the vertical direction.

  According to the first invention of the present application, the air duct that guides the outside air introduced from the opening of the bumper face to the rear includes the wall that faces the opening and extends in the vehicle width direction, and extends along the front surface of the wall. The front face of the fog lamp is arranged in Therefore, even if a fog lamp is provided at a position that overlaps the opening of the bumper face when viewed from the front side, it is possible to suppress the problem that the air flow generated by the introduction of outside air from the opening receives resistance from the fog lamp. Thus, a sufficient amount of outside air can be sent to a mounted device such as a heat exchanger connected to the air duct.

  According to the second invention of the present application, since the wall portion of the air duct is provided integrally with the bezel surrounding the fog lamp, it is easy to provide the front surface of the fog lamp along the front surface of the wall portion of the air duct. The outside air introduced into the air duct can flow more smoothly along the front surface of the fog lamp.

  According to the third invention of the present application, when the fog lamp moves backward due to an external force from the front side due to a frontal collision or the like, the fog lamp is guided to the side of the heat exchanger by the guide means. It is possible to prevent the exchanger from being damaged.

  According to the fourth invention of the present application, since the guide means is constituted by slide means for sliding the bezel surrounding the fog lamp along the side surface of the duct member, the contact between the fog lamp and the heat exchanger can be achieved with a simple structure. Can be prevented.

  According to the fifth invention of the present application, the plurality of ribs formed on the side surface of the duct member improve the strength of the duct member, and when the fog lamp is retracted by receiving an external force from the front side, the bezel is made into the rib. By sliding along, the fog lamp can be guided to the side of the heat exchanger along with the bezel.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

  FIG. 1 is a front view showing an example of a front structure of an automobile according to the present invention. As shown in FIG. 1, an automobile 1 includes a bonnet 2 that covers various mounted devices such as an engine from above, a headlight 4 that illuminates the front of the automobile 1, a lower side of the hood 2 and the headlight 4, and an automobile. 1 and a bumper face 6 disposed on the front surface. A number plate mounting portion 8 is provided at the vehicle width direction center of the bumper face 6, and openings 10 for introducing outside air are formed at both ends of the bumper face 6 in the vehicle width direction. The opening 10 has an elongated shape extending in the vehicle width direction, and the vertical width of the opening 10 increases as it goes toward the end in the vehicle width direction. A fog lamp 14 is disposed at a position overlapping the opening 10 when viewed from the front side of the automobile 1, and the front of the automobile 1 is illuminated by light emitted from the fog lamp 14 and passing through the opening 10. .

  As shown in FIG. 2, the fog lamp 14 includes a lamp body 16, an electrode portion 18 connected to the lamp body 16, a cover portion 20 that covers the lamp body 16 from the rear, and a cover that covers the lamp body 16 from the front. And a lens unit 22 attached to the unit 20. The fog lamp 14 is accommodated in, for example, a rectangular tubular bezel 52, and the cover portion 20 of the fog lamp 14 is fixed to the bezel 52. A specific configuration of the bezel 52 will be described later. A radiator 90 and a capacitor 92 are disposed on the side of the fog lamp 14, and the radiator 90 and the capacitor 92 are surrounded by a shroud panel 94. An intercooler 80 is disposed obliquely behind the fog lamp.

  An air duct 30 is provided behind the opening 10 of the bumper face 6 to guide the outside air introduced from the opening 10 to the rear. In the present embodiment, the rear end portion of the air duct 30 is connected to the intercooler 80, and the outside air introduced from the opening 10 is sent into the intercooler 80 via the air duct 30.

  The air duct 30 has a first duct member 40 shown in FIG. 3 and a second duct member 32 shown in FIG.

  As shown in FIG. 3, the first duct member 40 includes a duct portion 42 that guides outside air introduced from the opening 10 of the bumper face 6 toward the outer end in the vehicle width direction along the vehicle width direction. The connecting portion 60 is integrally connected to the outer end of the duct portion 42 in the vehicle width direction and can be connected to the second duct member 32. The duct part 42 and the connection part 60 are provided with front faces 44 and 62 having substantially rectangular shapes, respectively. The front part 44 of the duct part 42 and the front part 62 of the connection part 60 are flush with each other, and an opening 41 is formed across the front parts 44 and 62. The opening 41 of the duct member 40 has the same shape as the opening 10 of the bumper face 6, and the opening 41 of the duct member 40 is positioned at the opening 10 of the bumper face 6 as shown in FIG. 2. It is attached to the bumper face 6 in the aligned state. Specifically, the front surface portions 44 and 62 of the duct member 40 are fixed to the mounting portion 12 at the periphery of the opening 10 of the bumper face 6 at the periphery of the opening 41.

  As shown in FIG. 3, the duct portion 42 has an upper wall portion 45 extending rearward from the front surface portion 44 at the upper edge of the opening portion 41, and extends rearward from the front surface portion 44 at the lower edge of the opening portion 41. A lower side wall portion 46 that is disposed oppositely, a side wall portion 47 that extends rearward from the front surface portion 44 at the side edge of the opening 41 and is provided across the upper side wall portion 45 and the lower side wall portion 46, and a rear side of the upper side wall portion 45 A rear wall portion 48 straddling the end, the rear end of the lower wall portion 46 and the rear end of the side wall portion 47 is provided.

  The rear wall 48 is provided to face the opening 41 and extend in the vehicle width direction. The central portion of the rear wall portion 48 is bent stepwise in the vehicle width direction, and the rear wall portion 48 extends from the rear end of the side wall portion 47 toward the outer side in the vehicle width direction due to this shape. 49, a second rear wall portion 50 extending rearward or obliquely rearward from the front end in the vehicle width direction of the first rear wall portion 49, and a third rear portion extending outward from the rear end of the second rear wall portion 50 in the vehicle width direction. It is divided into wall portions 51. The third rear wall 51 is formed with an opening 57 through which the front portion of the fog lamp 14, that is, the lens portion 22 is inserted. The opening 57 is formed, for example, in a circular shape corresponding to the shape of the lens portion 22.

  The connection portion 60 includes an upper side wall portion 63 extending rearward from the front surface portion 62 at the upper edge of the opening portion 41, and a lower side wall portion 64 extending rearward from the front surface portion 62 at the lower edge of the opening portion 41 and facing the upper side wall portion 63. A pair of side wall portions 65 and 66 extending rearward from the front surface portion 62 and facing each other so as to straddle the side edge of the upper side wall portion 63 and the side edge of the lower side wall portion 64 are provided. However, a notch (not shown) is provided in one side wall portion 65 in a portion continuous with the duct portion 42 so that the internal space of the duct portion 42 and the internal space of the connection portion 60 communicate with each other.

  The bezel 52 is provided integrally with the first duct member 40. Specifically, the bezel 52 is a rectangular tube-shaped member extending rearward from the third rear wall portion 51 of the first duct member 40, and includes a pair of upper and lower wall portions 53 and 54 facing each other, and an upper wall portion. 53 and a pair of side wall portions 55, 56 straddling the lower wall portion 54. One side wall part 56 of the bezel 52 is constituted by a part of one side wall part 65 of the connection part 60. As shown in FIG. 2, when the fog lamp 14 is attached to the bezel 52, the front surface of the fog lamp 14, that is, the lens portion 22 is inserted through the opening 57 along the front surface of the third rear wall portion 51. Accordingly, the fog lamp 14 can be prevented from projecting from the third rear wall portion 51 into the duct, so that the resistance received by the fog lamp 14 by the airflow in the air duct 30 can be suppressed, and the airflow in the air duct 30 is applied to the rear wall portion 48. It can flow smoothly along. Therefore, a sufficient amount of outside air can be sent to the intercooler 80.

  As shown in FIG. 4, the second duct member 32 is attached to the front surface of the substantially cooler rectangular intercooler 80. The lower end of the intercooler 80 is connected to an introduction pipe 82 for introducing high-temperature air compressed by, for example, a turbocharger, and the air cooled by the intercooler 80 is connected to the upper end of the intercooler 80. For example, a discharge pipe 84 for discharging to a surge tank of a turbo engine is connected.

  The second duct member 32 is formed in a substantially cylindrical shape, and includes a pair of side wall portions 35 and 36 facing each other, an upper side wall portion 33 straddling between upper ends of the pair of side wall portions 35 and 36, and a pair of The lower side wall part 34 straddling between the lower end parts of the side wall parts 35 and 36 is provided. The lower side wall portion 34 is provided so as to be inclined downward toward the front. The rear end of the second duct member 32 is provided with an upper protrusion 70 that protrudes upward from the upper wall 33 and a lower protrusion 71 that protrudes downward from the lower wall 34. The parts 70 and 71 are fixed to the intercooler 80 with bolts or the like. The shape of the front end portion of the second duct member 32 is a substantially rectangular shape slightly smaller than the rear end portion of the connection portion 60 of the first duct member 40. A compression member 72 is attached to the front end portion of the second duct member 32 over the entire circumference. A material having flexibility is used for the compression member 72, and specifically, polyurethane foam is used, for example. Returning to FIG. 2, the front end portion of the second duct member 32 is connected to the first duct member 40 in a state of being fitted into the connection portion 60 of the first duct member 40. The duct member 32 is disposed so as to extend rearward from the vehicle width direction front end of the rear wall portion 48 of the first duct member 40. In this attached state, the compression member 72 is interposed between the connection portion 60 of the first duct member 40 and the second duct member 32 in a compressed state, and the second duct member 32 is connected to the compression member 72. It is fixed to the connection portion 60 of the first duct member 40 by the restoring force.

  As shown in FIG. 4, slide means 38 is provided on the side wall 35 on the fog lamp 14 side of the second duct member 32. The sliding means 38 slides the bezel 52 that surrounds the fog lamp 14 along the side surface of the second duct member 32 when the fog lamp 14 moves backward due to an external force from the front side due to a frontal collision or the like. It functions as a guide means for guiding to the side of the intercooler 80. The slide means 38 includes a plurality of ribs 39 provided at intervals in the vertical direction on the side wall portion 35. Each rib 39 is formed to protrude outward from the side wall portion 35. The rib 39 is formed so as to extend in the front-rear direction, and has a shape in which the width in the vehicle width direction expands toward the rear. When the fog lamp 14 receives a very large external force from the front side due to a frontal collision or the like, the one side wall portion 56 of the bezel 52 retreats together with the fog lamp 14 while contacting the rib 39 of the second duct member 32. The fog lamp 14 and the bezel 52 are guided to the side of the intercooler 80. Therefore, it is possible to prevent the fog lamp 14 from coming into contact with the intercooler 80, thereby preventing the intercooler 80 from being damaged.

  While the present invention has been described with reference to the above-described embodiments, the present invention is not limited to the above-described embodiments.

It is a front view which shows an example of the front part structure of the motor vehicle based on this invention. It is a cross-sectional view which shows the opening part of a bumper face, and its peripheral part. It is the perspective view which looked at the bezel from diagonally back. It is the perspective view which looked at the intercooler and the duct main-body part from diagonally forward.

Explanation of symbols

1: automobile, 2: bonnet, 4: headlamp, 6: bumper face, 10: bumper face opening, 14: fog lamp, 30: air duct, 32: second duct member, 38: slide means (guide means) 39: rib, 40: first duct member, 42: duct portion, 48: wall portion (rear wall portion) extending in the vehicle width direction, 51: third rear wall portion, 52: bezel, 60: connection portion, 80: Intercooler (heat exchanger).

Claims (5)

A bumper face disposed in front of the automobile and having an opening formed therein;
An air duct for guiding outside air introduced from the opening to the rear;
A fog lamp disposed at a position overlapping the opening as viewed from the front side of the automobile, and a front structure of the automobile,
The air duct includes a wall portion facing the opening and extending in the vehicle width direction,
A front structure of an automobile, wherein a front surface of the fog lamp is disposed along a front surface of the wall portion.   The front structure of an automobile according to claim 1, wherein the wall portion of the air duct is provided integrally with a bezel surrounding the fog lamp.   The automobile has a heat exchanger disposed obliquely behind the fog lamp and connected to the air duct, and the fog lamp is moved to the side of the heat exchanger when the fog lamp moves backward by receiving an external force from the front side. The front structure of an automobile according to claim 1 or 2, further comprising guide means for guiding. The air duct includes a duct member that is separate from the bezel surrounding the fog lamp and extends rearward from one end in the vehicle width direction of the wall portion,
4. The front structure of an automobile according to claim 3, wherein the guide means is slide means for sliding the bezel along a side surface of the duct member.   5. The front of an automobile according to claim 4, wherein the sliding means includes a plurality of ribs formed on the outer side surface of the duct member so as to extend in the front-rear direction and at intervals in the vertical direction. Part structure.

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