JP6252218B2 - Rain gutter structure for vehicles - Google Patents

Description

  The present invention relates to a vehicular rain gutter structure.

  Patent Document 1 below discloses a structure in which rain gutters are arranged along the front pillars at both ends of the front window in the vehicle width direction, and the rain gutter has a standing surface that protrudes above the vehicle from the front window surface. The convex part which has is provided. Furthermore, a protrusion that protrudes inward in the vehicle width direction is formed in the vicinity of the upper end of the protrusion of the rain gutter. In addition, there exists a structure disclosed by patent document 2, 3 as a structure in which the rain gutter was provided.

Japanese Patent Laid-Open No. 08-324237 Japanese Patent Laid-Open No. 04-063716 JP 2001-105852 A

  In the structure described in Patent Document 1, the protrusion disposed near the upper end of the convex portion of the rain gutter has a curved surface that is inclined to the rear side of the vehicle and has a convex surface, so that wind pressure due to traveling acts on the curved surface. This reduces the wind pressure on the curved surface. Thereby, generation | occurrence | production of the wind noise in the upper end part of a rain gutter is suppressed.

  However, the rain gutter described in Patent Document 1 has a structure in which a convex portion protrudes upward from the front end portion to the rear end portion in the vehicle front-rear direction, and there is room for improvement in terms of an increase in mass.

  An object of the present invention is to obtain a vehicular rain gutter structure capable of suppressing the generation of wind noise while suppressing the increase in the mass of the rain gutter in consideration of the above facts.

The vehicle rain gutter structure according to the first aspect of the present invention is provided on the inner side in the vehicle width direction of the front pillar, and has an upward slope toward the vehicle rear side along the side edges of both ends of the front windshield glass in the vehicle width direction. and Reingata which is extended in the vertical direction of the vehicle, Rutotomoni provided between the position of a height 3/4 from a height of 1/2 of the vehicle vertical direction in the Reingata in vehicle side view, the plan view of the vehicle have a, a wide portion width in the vehicle width direction is enlarged than the general portion arranged on the lower side and the upper side in the vehicle vertical direction Te, the wide portion in the vehicle width direction inner edge of the main portion It is formed so as to be expanded inward in the vehicle width direction .

According to the first aspect of the present invention, the rain gutter is provided on the inner side in the vehicle width direction of the front pillar, and the rain gutter rises toward the rear side of the vehicle along the side edges of both ends of the front windshield glass in the vehicle width direction. The vehicle is extended in the vertical direction so as to have a gradient. The rain gutter is provided between a position of 1/2 height in the vehicle vertical direction to a position of 3/4 height in the vehicle side view, and on the lower side and the upper side in the vehicle vertical direction in the vehicle plan view. A wide portion is provided in which the width in the vehicle width direction is larger than the arranged general portion. Furthermore, the wide portion is formed so as to expand from the inner edge of the general portion in the vehicle width direction to the inner side in the vehicle width direction. Accordingly, the flow of the traveling wind can be made to follow the front pillar, and it is possible to suppress the traveling wind from being separated on the front pillar and the generation of the vortex. For this reason, generation | occurrence | production of a wind noise can be suppressed, suppressing the increase in the mass of rain gutter.

  According to the vehicle rain gutter structure of the present invention, it is possible to suppress the generation of wind noise while suppressing an increase in the mass of the rain gutter.

It is a top view which shows the vehicle width direction one end part side of the front part of the vehicle to which the rain gutter structure for vehicles which concerns on one Embodiment is applied. It is a side view which shows the vehicle width direction one end part side of the front part of the vehicle to which the vehicle rain gutter structure shown in FIG. 1 is applied.

  Hereinafter, an embodiment of a vehicle rain gutter structure according to the present invention will be described with reference to FIGS. 1 and 2. In these figures, an arrow RR appropriately shown indicates the vehicle rear side, an arrow UP indicates the vehicle upper side, and an arrow IN indicates the vehicle width direction inner side.

  FIG. 1 is a plan view showing one end side in the vehicle width direction of the front portion of the vehicle 10 to which the vehicle rain gutter structure S1 according to the present embodiment is applied. FIG. 2 is a side view of the vehicle width direction one end side of the front portion of the vehicle 10 to which the vehicle rain gutter structure S1 is applied. 1 and 2, only the one end side in the vehicle width direction of the front portion of the vehicle 10 is shown, but the vehicle rain gutter structure S1 is symmetrical on both sides in the vehicle width direction. The vehicle width direction other end part side of a part is abbreviate | omitting illustration.

  As shown in FIG. 1 and FIG. 2, a front pillar 14 is provided on the outer side in the vehicle width direction of a front windshield glass (front window) 12 at the front portion of the vehicle 10 to which the vehicle rain gutter structure S1 is applied. ing. A rain gutter molding 16 as a rain gutter is disposed at the front portion of the vehicle 10 along the side edges of both ends of the front windshield glass 12 in the vehicle width direction (see FIG. 1). The rain gutter molding 16 extends in the vertical direction of the vehicle so as to have an upward slope along the side edge of the front windshield glass 12 toward the vehicle rear side. The rain gutter molding 16 is provided on the inner side in the vehicle width direction of the front pillar 14 in a vehicle plan view (plan view).

  A front side door 18 is provided on the rear side of the front pillar 14 in the vehicle front-rear direction. The front side door 18 can be opened and closed with respect to the vehicle body by a hinge portion (not shown) attached to the front pillar 14. A triangular patch 20 constituting a triangular window is provided on the front side of the front side door 18 in the vertical direction of the vehicle. A side window 22 is provided on the rear side of the upper part of the front side door 18 in the vehicle vertical direction (the rear side of the triangular patch 20).

  A front side of the front windshield glass 12 in the vehicle front-rear direction is provided with a hood 40 that is disposed along the vehicle front-rear direction and the vehicle width direction (see FIG. 1). A front header 42 disposed along the vehicle width direction is provided on the rear side of the front windshield glass 12 in the vehicle front-rear direction.

  As shown in FIG. 1, in the vehicle front-rear direction intermediate portion (position on the rear side of the intermediate portion) of the rain gutter molding 16 in the vehicle plan view, the vehicle is disposed on the front side and the rear side in the vehicle front-rear direction. In addition, a wide portion 26B having a width in the vehicle width direction larger than that of the general portion 26A is provided. The wide portion 26 </ b> B of the rain gutter molding 16 is provided in a region having a predetermined height in the vehicle vertical direction of the front pillar 14 in a side view of the vehicle.

Next, the height in the vehicle vertical direction (region of a predetermined height) where the wide portion 26B of the rain gutter molding 16 is provided will be described.
As shown in FIG. 2, the height of the front pillar 14 in the vehicle vertical direction is defined as follows in the vehicle side view. The hood height 30 is a height position of the rear end portion of the hood 40 (see FIG. 1) disposed on the front side in the vehicle front-rear direction of the front windshield glass 12 of the vehicle 10 in a side view of the vehicle (hood height). Position). The header height 32 is the position of the height of the intersection of the front edge of the front header 42 disposed on the rear side in the vehicle front-rear direction of the front windshield glass 12 in the vehicle side view and the front pillar 14 (header height). position). Also, the height 34 of H1 / 2 is a position at a height of 1/2 of the height dimension in the vehicle vertical direction between the hood height 30 and the header height 32 in the front pillar 14. Further, the height 36 of H3 / 4 is a position of a height of 3/4 of the height dimension in the vehicle vertical direction between the hood height 30 and the header height 32 in the front pillar 14.

More specifically, the height 34 of H1 / 2 and the height 36 of H3 / 4 are expressed by the following mathematical expressions.
H1 / 2 height = hood height position + 2 × (header height position−hood height position) ÷ 4
H3 / 4 height = hood height position + 3 × (header height position−hood height position) ÷ 4

  As shown in FIG. 1 and FIG. 2, the region A between the height H 34 of the front pillar 14 in the vertical direction of the vehicle 14 and the height 36 of H 3/4 is the amount of traveling wind on the front pillar 14. This is the dominant region for the generation of eddy currents due to separation.

Here, generation | occurrence | production of the eddy current accompanying peeling of the driving | running | working wind (airflow) in the front pillar vicinity in the front part of a vehicle is demonstrated.
In general, in the front part of the vehicle, the vicinity of the outside of both ends in the vehicle width direction of the front windshield glass is a relatively abruptly bent portion, so that it flows along the front windshield glass to the front pillar. The direction of the flowing air flow is suddenly changed in the vicinity of the region where the position of the front pillar moves to the door glass of the front side door, and the flow is disturbed. For this reason, the air flow may be separated in the region on the front pillar to generate a vortex and a wind noise may be generated. In particular, the wind noise around the front pillar increases because the front pillar, the triangular patch and the side window behind the front pillar are included in the separation region where the pressure fluctuation is high.

  As shown in FIG. 1, in the vehicle rain gutter structure S <b> 1, in the region A between the height H / 34 in the vertical direction of the vehicle and the height 36 of H <b> 3/4 in the rain gutter molding 16. A wide portion 26B is provided in which the width in the vehicle width direction is larger than the general portion 26A arranged on the lower side and the upper side. The general portion 26A is a portion where the width of the rain gutter molding 16 in the vehicle width direction is substantially constant in a plan view of the vehicle, and constitutes a front side portion and a rear side portion of the rain gutter molding 16 in the vehicle front-rear direction. . The wide portion 26B is formed so as to expand from the inner edge of the general portion 26A in the vehicle width direction to the inner side in the vehicle width direction. For the sake of clarity, FIG. 1 shows an extension line L1 obtained by extending the inner edge portion of the general portion 26A in the vehicle width direction substantially along the vehicle front-rear direction. The vehicle width direction inner edge part of the wide part 26B is arrange | positioned rather than the extension line L1 at the vehicle width direction inner side.

  In addition, on the front side and the rear side in the vehicle front-rear direction of the wide portion 26B in plan view of the vehicle, the change-over portions 27, 28 so that the width in the vehicle width direction gradually changes from the general portion 26A to the vehicle width direction inside. Is formed. The change-over portions 27 and 28 are set in a front-rear and rear-side region B in the vehicle front-rear direction of the region A where the wide portion 26B is formed, and the change-over portions 27 and 28 are connected to the wide portion 26B. . That is, the rain gutter molding 16 is smoothly connected to the wide portion 26B from the general portion 26A via the change-over portions 27 and 28 in the vehicle plan view.

  As described above, in the vehicle rain gutter structure S1, the region A between the H1 / 2 height 34 and the H3 / 4 height 36 of the front pillar 14 in the vehicle vertical direction is the traveling wind on the front pillar 14. Therefore, the wide portion 26 </ b> B is provided in this region A of the rain gutter molding 16. Thereby, the cross-sectional width of the portion where the rain gutter molding 16 and the front pillar 14 are combined is enlarged, and the flow of the traveling wind can be made to follow the front pillar 14.

On the other hand, regarding the setting of the rain gutter molding, it is necessary to satisfy the following contradictory performance, and there is a restriction on the expansion of the width of the rain gutter molding in the vehicle width direction.
The first contradiction is a wiper wiping problem. That is, if the width of the rain gutter molding in the vehicle width direction is excessively increased in the entire region from the lower end portion to the upper end portion of the rain gutter molding in the vehicle vertical direction, there is a possibility of interfering with the operating range of the wiper. Therefore, the case where the width | variety of the vehicle width direction of a rain gutter molding required as performance which reduces a wind noise cannot be ensured generate | occur | produces.
The second contradiction is the mass and cost of the rain gutter molding. That is, by increasing the width of the rain gutter molding in the vehicle width direction, the mass and cost for the increase are increased.

  For this reason, in the vehicle rain gutter structure S1 of the present embodiment, a range that is dominant in the generation of eddy currents due to separation of traveling wind (between the height 34 of H1 / 2 in the vehicle vertical direction and the height 36 of H3 / 4). The wide portion 26B of the rain gutter molding 16 is provided only in the vicinity of the region A). Thereby, the performance which reduces a wind noise and the said contradictory performance can be reconciled.

  Next, the operation and effect of this embodiment will be described.

  In the vehicle rain gutter structure S1, a rain gutter molding 16 is provided on the inner side in the vehicle width direction of the front pillar 14, and the rain gutter molding 16 is located on the rear side of the vehicle along the side edges of both ends of the front windshield glass 12 in the vehicle width direction. The vehicle is extended in the vertical direction so as to have an upward slope. The rain gutter molding 16 includes a wide portion in which the width in the vehicle width direction is larger than that in the general portion 26A between the position of the height 34 of H1 / 2 in the vertical direction of the vehicle and the position of height 36 of H3 / 4. 26B is provided.

  In other words, the rain gutter molding 16 is only in the vicinity of a range (region A between the height 34 of H1 / 2 and the height 36 of H3 / 4 in the vertical direction of the vehicle) that is dominant in the generation of eddy currents due to separation of traveling wind. In addition, a wide portion 26B is provided. Exchanging portions 27 and 28 are formed on the front and rear sides of the wide portion 26B in the vehicle front-rear direction so that the width in the vehicle width direction gradually changes from the general portion 26A. The portions 27 and 28 are connected to the wide portion 26B.

  By providing the wide part 26 </ b> B in the rain gutter molding 16, the cross-sectional width of the portion where the rain gutter molding 16 and the front pillar 14 are combined is enlarged. As a result, the flow of the traveling wind flowing through the front windshield glass 12 can be made to follow the front pillar 14, and it is possible to suppress the traveling wind from being separated on the front pillar 14 and the generation of the vortex. For this reason, generation | occurrence | production of the wind noise around the front pillar 14 can be suppressed.

  In addition, the rain gutter molding 16 is wide only in the vicinity of a range (between a height 34 of H1 / 2 in the vertical direction of the vehicle and a height 36 of H3 / 4) that is dominant in the generation of eddy currents due to separation of the traveling wind. Since the portion 26B is provided, interference with the operating range of the wiper can be suppressed. For this reason, it is possible to achieve both wiper wiping performance and wind noise reduction performance. Further, since the wide portion 26B is provided only in the vicinity of a necessary range of the rain gutter molding 16 in the vehicle vertical direction, an increase in the mass of the rain gutter molding 16 and an increase in cost can be suppressed. Therefore, generation | occurrence | production of a wind noise can be suppressed, suppressing the increase in the mass of rain gutter molding.

  In the above embodiment, the rain gutter molding 16 is formed with the wide portion 26B whose width is increased from the general portion 26A to the inside in the vehicle width direction, and is substantially uniform on the front side and the rear side of the wide portion 26B in plan view. However, the present invention is not limited to this shape. In other words, if the rain gutter has a wide portion in which the width in the vehicle width direction is increased between a position of 1/2 height in the vehicle vertical direction and a position of 3/4 height, the shape of the rain gutter can be changed. It is.

  In the above embodiment, the rain gutter molding 16 includes the wide portion 26B in the range from the position of the height 1/2 in the vertical direction of the vehicle to the position of the height 3/4, but is not limited thereto. It is not something. For example, you may provide a wide part in the range shorter than the range from the position of height 1/2 of the vehicle up-down direction to the position of height 3/4 in the rain gutter molding. In addition, for example, the wide portion may be provided in a range including a range from a position having a height 1/2 in the vehicle vertical direction to a position having a height 3/4 in the rain gutter molding.

10 Vehicle 12 Front Windshield Glass 14 Front Pillar 16 Rain Gutter Mall (Rain Gutter)
26A General part 26B Wide part 34 H1 / 2 height (position of height 1/2)
36 H3 / 4 height (position of height 3/4)
S1 Rain gutter structure for vehicles

Claims (1)

Rain gutter provided on the vehicle width direction inner side of the front pillar and extending in the vehicle vertical direction so as to be an upward gradient toward the vehicle rear side along the side edges of the vehicle width direction both ends of the front windshield glass,
Rutotomoni provided between the position of a height 3/4 from a height of 1/2 of the vehicle vertical direction in the Reingata in vehicle side view, the lower side and the upper side in the vehicle vertical direction at the vehicle viewed A wide part in which the width in the vehicle width direction is larger than the arranged general part;
I have a,
The vehicular rain gutter structure is formed such that the wide portion is expanded from the inner edge of the general portion in the vehicle width direction to the inner side in the vehicle width direction .

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