JP2018149867A - Vehicle front part structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress wind noise in a vehicle front part.SOLUTION: In a vehicle front part structure comprising a current plate 50 filling a gap between an end part in a vehicle width direction in a cowl louver and a front fender, the current plate 50 is configured in a staircase pattern to include a plurality of upper surfaces 50b, 50d and 70b with different heights provided so that parts thereof closer to the front fender are positioned at an upper side and uneven surfaces 60, 70a and 70b continuing in a vertical direction through which the upper surfaces with different heights adjacent to each other in the vehicle width direction are connected to one another. The uneven surfaces are continuous in a vehicle longitudinal direction.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a vehicle front structure.

  A vehicle front structure having a cover member (rectifier plate) at an end in the vehicle width direction of a cowl louver is known (for example, Patent Document 1). The cover member is provided so as to fill a gap between the end of the cowl louver in the vehicle width direction and the front pillar.

JP2015-112985A

  Incidentally, a side mirror is provided in the vicinity of the front end portion of the front pillar at the vehicle side portion. Therefore, when the airflow that flows outward in the vehicle width direction on the upper surface of the cowl louver crosses the cover member in the vehicle width direction at the end of the cowl louver, this airflow flows toward the vicinity of the side mirror at the side of the vehicle and includes the side mirror. There is a problem that wind noise is generated by colliding with the protruding shape portion of the vehicle side portion at the front portion of the vehicle.

  The vehicle front structure for solving the above problems is a front cowl louver arranged along the front edge of the windshield, and the front of the glass opening connected to the inner edge of the front pillar from the rear edge of the engine hood among the glass openings surrounding the windshield. A vehicle front structure comprising a front fender that constitutes a corner and a rectifying plate that fills the gap between the end of the cowl louver in the vehicle width direction and the front fender, and the rectifying plate is closer to the front fender A plurality of upper surfaces with different heights provided so as to be located on the upper side and stepped surfaces that are continuous in the vertical direction connecting the upper surfaces with different heights adjacent to each other in the vehicle width direction. It is configured. And the level | step difference surface is following in the vehicle front-back direction.

  In this configuration, the airflow that has flowed outward from the upper surface of the cowl louver toward the current plate in the vehicle width direction collides with the step surface and easily flows along the step surface that continues in the vehicle front-rear direction. Therefore, the traveling direction of the airflow flowing from the upper surface of the cowl louver toward the outside in the vehicle width direction can be changed to the vehicle rear side. Therefore, the airflow is prevented from crossing the current plate in the vehicle width direction and heading the vehicle side portion to the vicinity of the protruding shape portion of the vehicle side portion such as a side mirror, and the protruding shape portion of the vehicle side portion in the vehicle front portion and the Collision with the air current is avoided and wind noise is suppressed.

The top view of the windshield vicinity in the vehicle with which one Embodiment of vehicle front part structure is applied. The top view which expanded and represented the baffle plate vicinity of the vehicle left side. The perspective view of the baffle plate of the vehicle left side. Sectional drawing of the 4-4 arrow direction of FIG. Sectional drawing of the 5-5 arrow direction of FIG.

Hereinafter, an embodiment of a vehicle front structure will be described in detail with reference to the drawings.
In the front structure of the vehicle shown in FIG. 1, the rectangular windshield 10 that is arranged so as to be inclined upward toward the rear side has a rear end portion connected to a vehicle roof 18, and left and right side portions are It is supported by the front pillar 16. The front end portions of the left and right front pillars 16 are connected to a front fender 14 located in the vicinity of the front corner portion of the windshield 10. An engine hood 12 positioned in front of the windshield 10 is disposed between the left and right front fenders 14. In these vehicle exterior members arranged around the windshield 10, the front edge 18 a of the vehicle roof 18, the inner edge 16 a of the front pillar 16, and the rear edge 12 a of the engine hood 12 are the 4 of the windshield 10. It is arranged along the side and surrounds the windshield 10. In the following description, the opening portion in which the exterior member of the vehicle surrounds the windshield 10 is referred to as a glass opening P. Note that, in the glass opening P, a glass opening front corner portion 14 a connected from the rear edge 12 a of the engine hood 12 to the inner edge 16 a of the front pillar 16 is configured by the front fender 14.

  In the glass opening P, a cowl louver 20 is arranged so as to block between the front edge of the windshield 10 and the rear edge 12a of the engine hood 12. The cowl louver 20 is continuous in the vehicle width direction along the front edge of the windshield 10. On the outer side in the vehicle width direction than the cowl louver 20, a rectifying plate 50 that fills the gap between each end portion of the cowl louver 20 in the vehicle width direction and the front fender 14 is disposed. A side molding 11 that closes the gap between the front pillar 16 and the windshield 10 is disposed along the inner edge 16 a of the front pillar 16 behind the current plate 50. A side mirror 19 that protrudes outward in the vehicle width direction is provided on the side of the vehicle near the front end of the front pillar 16 in the side door 24.

In the following, a front structure on the left side of the vehicle front structure configured symmetrically will be described in detail with reference to FIGS.
As shown in FIG. 2, the current plate 50 is continuous in the front-rear direction from a position corresponding to the front edge 20 a of the cowl louver 20 to the rear side of the rear edge 20 b of the cowl louver 20. In the present embodiment, the front edge 20a of the cowl louver 20 refers to the front end portion of the cowl louver 20 that is exposed between the windshield 10 and the engine hood 12.

  As shown in FIGS. 2 to 5, the rectifying plate 50 includes an end surface 50 a on the inner side in the vehicle width direction that is disposed to face the cowl louver 20. And the 1st upper surface 50b which faced the upper direction toward the vehicle width direction outer side from the upper end part of this end surface 50a is formed. The first upper surface 50 b exists from the front end portion to the rear end portion of the rectifying plate 50.

  A rising shape portion 50c rising upward is formed at the outer end of the first upper surface 50b in the vehicle width direction. The rising shape portion 50c is continuous in the front-rear direction from the front end portion to the rear end portion of the rectifying plate 50 corresponding to the first upper surface 50b. A second upper surface 50d facing upward is formed from the upper end portion of the rising shape portion 50c toward the outside in the vehicle width direction.

  As shown in FIGS. 2, 4 and 5, the second upper surface 50d is disposed closer to the front fender 14 and the engine hood 12 than the first upper surface 50b and above the first upper surface 50b. The upper surface of the edge part of the vehicle width direction outer side in the baffle plate 50 is comprised. The second upper surface 50d is continuous in the front-rear direction along the glass opening P.

As shown in FIGS. 2 and 3, the rising shape portion 50 c has different shapes on the front side and the rear side of the rectifying plate 50.
As shown in FIG. 4, the front portion of the rising shape portion 50 c is a front side that is continuous in the vertical direction connecting the first upper surface 50 b and the second upper surface 50 d that are adjacent to each other in the vehicle width direction and have different heights. A step surface 60 is formed. That is, in the rectifying plate 50, the portion from the first upper surface 50b to the second upper surface 50d including the front side step surface 60 is configured in a two-step staircase shape. The front-side step surface 60 is inclined so as to be positioned higher toward the outer side in the vehicle width direction, and the upper end portion is configured to be substantially vertical.

  As shown in FIGS. 2 and 3, the front side step surface 60 is provided so as to be positioned on the outer side in the vehicle width direction as it goes rearward, and more specifically, toward the rear in the vehicle width direction with respect to the front-rear direction. It is gently curved so that the inclination angle gradually decreases.

  As shown in FIGS. 3 and 5, the rear portion of the rising-up shape portion 50c has an intermediate upper surface 70b provided at an intermediate position in the vertical direction and an upper and lower intermediate surface 70b sandwiching the intermediate upper surface 70b. The stepped rising surface 70 is provided with two rear step surfaces 70a and 70c provided on the rear surface.

  The intermediate upper surface 70b is located between the first upper surface 50b and the second upper surface 50d in the vertical direction and the vehicle width direction. That is, the three upper surfaces 50b, 50d, and 70b are arranged so as to be positioned higher as the one closer to the front fender 14. And the 1st upper surface 50b and the intermediate | middle upper surface 70b which are adjacent in the vehicle width direction are connected by the 1st back side step surface 70a which continues up and down. Moreover, the intermediate | middle upper surface 70b and 2nd upper surface 50d which adjoin a vehicle width direction are connected by the 2nd rear side level | step difference surface 70c which continues up and down. Thus, in the current plate 50, the portion from the first upper surface 50b to the second upper surface 50d including the first rear step surface 70a, the intermediate upper surface 70b, and the second rear step surface 70c is configured in a three-step staircase shape. Has been. The two rear side step surfaces 70a and 70c rise from the first upper surface 50b and the intermediate upper surface 70b at steep inclination angles, respectively, and the upper end portions are configured to be substantially vertical.

As shown in FIGS. 2 and 3, the two rear side step surfaces 70 a and 70 c are smoothly continuous from the front side step surface 60, and the rear end portion extends linearly in the front-rear direction.
Next, the operation of the vehicle front structure according to this embodiment will be described.

  Arrows E and F in FIGS. 2, 4, and 5 represent airflows at different heights. In FIG. 2, for the sake of convenience, the flow of airflows having different heights toward the outer side in the vehicle width direction is illustrated with the arrows slightly shifted back and forth.

  As shown by arrows E in FIGS. 2 and 4, the airflow flowing outward in the vehicle width direction along the upper surface of the cowl louver 20 collides with the front step surface 60 of the rectifying plate 50, and the front step surface 60. The traveling direction is gradually changed backward along the direction. Then, as shown by the arrow E in FIGS. 2 and 5, this air flow is guided rearward along the first rear step surface 70 a.

  2 and FIG. 4, the airflow flowing outward in the vehicle width direction at a position higher than the airflow represented by the arrow E collides with the front step surface 60 of the rectifying plate 50, and the front side The advancing direction is gradually changed backward along the step surface 60. And this airflow is guide | induced to back along the 2nd back side level | step difference surface 70c, as shown by the arrow F of FIG.2 and FIG.5.

  As described above, by guiding the airflow flowing outward in the vehicle width direction along the upper surface of the cowl louver 20, this airflow crosses the rectifying plate 50 in the vehicle width direction and near the side mirror 19 on the side of the vehicle. Heading is suppressed.

According to the embodiment described above, the following effects can be obtained.
(1) The airflow that flows outward in the vehicle width direction on the upper surface of the cowl louver 20 is prevented from colliding with the protruding shape portion of the vehicle side portion including the side mirror 19, and the wind noise is suppressed. .

(2) By guiding the airflow at different altitudes by the rear step surfaces 70a and 70c, the traveling direction of the airflow at each altitude can be precisely controlled.
The embodiment described above can be implemented with the following modifications.

The rectifying plate 50 may be made of a material other than resin, such as rubber or urethane.
-If the baffle plate 50 includes the step-shaped part, while being able to guide an airflow back by the level | step difference surface, it can control an airflow according to altitude. That is, in the above embodiment, an example of a rectifying plate having two stages on the front side and three stages on the rear side has been shown. It may be configured in a stepped manner with a certain number of steps. In addition, the rectifying plate may be configured in four or more steps as long as the airflow can be directed rearward by the step surfaces connecting the upper surfaces having different heights. Further, the number of stages is not limited to one that changes from the front side to the rear side as in the above-described embodiment, and the number of stages may change two or more times from the front side to the rear side.

  -If the level | step difference surface in the baffle plate 50 can make an air flow go to back, the continuous shape of the front-back direction can be changed. For example, when controlling the airflow at different altitudes, the step surfaces arranged at different heights may be continued in the front-rear direction in different shapes.

  The rear end portion of the current plate 50 may be further extended rearward along the inner edge 16 a of the front pillar 16, and a part of the side molding 11 may be covered with the current plate 50.

DESCRIPTION OF SYMBOLS 10 ... Windshield, P ... Glass opening, 12 ... Engine hood, 14 ... Front fender, 14a ... Front corner of glass opening, 16 ... Front pillar, 20 ... Cowl louver, 50 ... Current plate, 50b ... First upper surface, 50d ... Second upper surface, 60 ... front side step surface, 70a ... first rear side step surface, 70b ... middle upper surface, 70c ... second rear side step surface

Claims (1)

A cowl louver arranged along the front edge of the windshield,
A front fender constituting a glass opening front corner connected from the rear edge of the engine hood to the inner edge of the front pillar among the glass openings surrounding the windshield;
A vehicle front structure comprising a rectifying plate that fills a gap between an end portion in the vehicle width direction of the cowl louver and the front fender,
The rectifying plate connects a plurality of upper surfaces with different heights provided so as to be positioned closer to the front fender and the upper surfaces with different heights adjacent to each other in the vehicle width direction. It is composed of a stepped surface that is continuous up and down, and is configured in a staircase shape.
A vehicle front structure in which the step surface is continuous in the vehicle front-rear direction.