JP2007038762A - Front structure for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a front structure for a vehicle capable of satisfying draining performance in a cowl, and easily forming the cowl. <P>SOLUTION: A cowl side panel 12 which is narrower than the groove width of an opening at a vehicle center shaft of a cowl panel 11 is joined to both ends of the cowl panel 11 having an opening with a recessed shaped cross section facing upward and extended in a vehicular width direction, and arranged between a windshield 1 and an engine hood 2. Both ends of the cowl panel 11 are made to have the openings of narrow widths, and joined to the cowl side panel 12. A drain outlet 30 is opened on the bottom of the cowl panel 11, and below that, a draining duct 40 is disposed between the drain outlet 30 and a draining groove 22 on a fender side, thereby discharging rainwater in a cowl 10. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a vehicle front structure that can easily drain moisture in a cowl portion even in a vehicle in which a front pillar is forwarded.

6A and 6B are cross-sectional views of a cowl portion of a conventional vehicle. FIG. 6A is a cross-sectional view taken along the line EE of the vehicle shown in FIG. 7, and FIG. 6B is a cross-sectional view taken along the vehicle central axis. is there. In the figure, Fr indicates the front of the vehicle, Up indicates the vertically upward direction, and In indicates the inner direction of the vehicle.
Conventionally, a cowl portion 50 is disposed between the front window panel 1 and the engine hood 2. The cowl portion 50 includes a cowl lower panel 51 having a concave cross section and extending in the vehicle width direction, a cowl louver 52 that closes the opening of the cowl lower panel 51, and a cowl upper panel 53 that supports the front window glass 1. Yes. The cowl lower panel 51 is then joined to a dash panel 54 that isolates the engine room and the vehicle interior by a joining flange 51a. Further, the cowl louver 52 is joined by a joining flange 51c on the front side of the cowl lower panel 51. Therefore, the cowl portion 50 has a closed cross-sectional structure including the cowl lower panel 51, the cowl louver 52, the cowl upper panel 53, and the dash panel 54.

  Since the cowl louver 52 is provided with an air inlet (not shown) for ventilating the vehicle interior, moisture 3 such as rainwater enters the cowl part 50. Therefore, a side panel 62 is provided on the fender side, that is, inside the fender panel 61 that supports the front pillar 60, and a drain hole 62 a is formed in the side panel 62. Therefore, as shown by an arrow in FIG. 7A, the water flowing through the bottom wall 51b of the cowl lower panel 51 is discharged out of the vehicle from the drain hole 62a via a drain groove (not shown).

  As a structure of such a cowl part, in Patent Document 1, a predetermined distance is secured from the bottom wall of the cowl part to the intake port with a simple configuration in which an intake port is formed in the vertical wall of the cowl part. It is disclosed to prevent water flowing through the bottom wall from entering the air inlet.

On the other hand, as shown by a dotted line in FIG. 7, the front pillar 60 is disposed on the front side of the conventional vehicle and the windshield glass is disposed on the engine hood side, or the inclination angle of the windshield glass is adjusted, thereby improving the vehicle design. Has improved.
JP 2005-67373 A

However, when the front pillar 60 is disposed on the engine hood 2 side than before, there are the following problems due to the structure of the cowl portion 50.
In a vehicle in which the front pillar 60 is forwarded from the prior art, the front pillar 60 and the suspension are connected to each other as shown by a one-dot broken line in FIG. 6 with the joint flange portion 51c of the cowl lower panel 51, the front pillar 60, and the front window glass 1. The distance from the tower 70 is reduced from L1 to L2. Further, the joint flange 51c on the front side of the cowl lower panel 51 is also located on the front side as much as the distance (distance L3 shown in FIG. 6) when the front window glass 1 is moved forward (distance L4 shown in FIG. 6). Therefore, although the front-rear width of the cowl lower panel 51 on the vehicle central axis is increased, the front-rear width of the cowl lower panel 51 is abruptly reduced because of the suspension tower 70 on the fender side. Therefore, it becomes difficult to integrally form the cowl lower panel 51, and the yield in manufacturing the cowl lower panel 51 is deteriorated, resulting in an increase in cost.

  Then, in view of the said subject, this invention aims at providing the front part structure of a vehicle which satisfy | fills the drainage property in a cowl part, and can produce a cowl part easily.

In order to achieve the above object, the present invention provides a vehicle front structure provided with a cowl portion, wherein the cowl portion has both ends of a cowl panel extending in the vehicle width direction with an opening having a concave cross section facing upward. It is formed by joining a cowl side panel narrower than the groove width of the opening in the vehicle central axis of the cowl panel, and a drainage port is opened in the cowl panel, for drainage between the drainage port and the drainage groove on the fender side. A duct is arranged.
In the above configuration, the cowl panel preferably has a narrow groove width in the vicinity of the joint with the cowl side panel. The cowl side panel is preferably made of resin. The drainage duct is preferably suspended on the cowl.

  According to the above configuration, the cowl part is configured with a small cowl side panel at the joint between the left and right fenders, and the cowl panel can be easily formed by joining the cowl panel to both ends of the cowl side panel. Can be done. In particular, when the groove width of the opening of the cowl panel is wider than that of the cowl side panel, the cowl panel is formed by joining the cowl panel and the cowl side panel on the lower side of the cowl part, so that the cowl part can be manufactured efficiently. , Curb costs. In addition, a drain outlet is opened at the bottom of the cowl panel, and drainage ducts are provided between the drain outlet and the drain groove on the fender side, so that water such as rainwater in the cowl can be easily discharged out of the cowl. can do.

  In the present invention, the lower side of the cowl portion disposed along the vehicle width direction is formed between the engine hood and the front window glass by joining the cowl side panels to both ends of the cowl panel. Even if the size is increased, it can be easily formed. Moreover, since the drainage port is provided in the cowl part and the drainage duct is disposed between the drainage groove on the fender side, drainage of rainwater or the like in the cowl part can be performed.

Hereinafter, the best mode for carrying out the present invention will be described with reference to the drawings as applied to a vehicle having a front pillar.
FIG. 1 is a plan view schematically showing the fender side of the cowl portion 10 in the front structure of the vehicle. 2 to 5 are sectional views schematically showing the front structure of the vehicle. FIG. 2 is a sectional view taken along line AA in FIG. 1, and FIG. 3 is a sectional view taken along line BB in FIG. 4 is a cross-sectional view taken along the line CC of FIG. FIG. 5 is a sectional view taken along the line DD of FIG.

  As shown in FIGS. 2 to 4, the cowl portion 10 includes a cowl panel 11 having an opening with a concave cross section facing upward and extending in the vehicle width direction, and the cowl panel 11 on the vehicle central axis. A pair of left and right cowl side panels 12 narrower than the groove width of the opening, a cowl upper panel 13 extending in the vehicle width direction so as to support the front end of the front window glass, and an air inlet (not shown) were opened. The cowl louver 14 forms a closed cross-sectional structure.

  The cowl panel 11 is formed by joining a cowl lower panel 15 and a cowl front panel 16 as shown in FIG. That is, the cowl lower panel 15 is formed in a concave shape in cross section by a bottom part 15a, a front wall part 15b rising on the front side of the bottom part 15a, and a rear wall part 15c rising on the rear side of the bottom part 15a. The front flange 15d at the upper end of the front wall 15b is joined to the cowl front panel 16 that rises forward along the front wall 15b of the cowl lower panel 15.

  The cowl front panel 16 includes a joining flange 16a that joins the joining flange 15d of the cowl lower panel 15, an inclined part 16b that rises forward from the joining flange 16a along the front wall part 15b of the cowl lower panel 15, and an upper end of the inclined part 16b. And a joining flange 16c that joins with the cowl louver 14. The rear wall portion 15c of the cowl lower panel 15 is joined to a dash panel 17 that partitions the engine room and the vehicle compartment. The dash panel 17 is joined to the rear wall portion 15c of the cowl lower panel 15, is bent and extends to the joining flange 13a of the cowl upper panel 13 that supports the front lower end portion of the front window glass 1, and is joined by the joining flange 17a. To do.

In the present invention, the cowl panel 11, that is, the cowl panel 11 formed by the cowl lower panel 15 and the cowl front panel 16, is not directly joined to the fender panels on both sides, but is joined via the cowl side panel 12. That is, as shown in FIG. 1, the cowl side panel is narrower than the groove width (distance X <b> 1 in FIG. 1) of the opening of the cowl panel 11 with respect to the left and right ends of the cowl panel 11. 12 is joined. The groove width X2 of the opening in the cowl side panel 12 is shorter than the groove width X1 of the opening in the center axis of the cowl panel 11.
Here, at both ends of the cowl panel 11, as shown in FIG. 1, the cowl side panel 12 may be joined to the outside of the end, or contrary to the illustrated case, the inside of the both ends of the cowl panel. A cowl side panel may be joined.

  As with the cowl panel 11, the cowl side panel 12 is formed by joining a side lower panel 18 and a side front panel 19 whose opening faces upward along the end of the cowl panel 11. That is, the side lower panel 18 includes a bottom 18a, a front wall 18b rising on the front side of the bottom 18a, and a rear wall 18c rising on the rear side of the bottom 18a so as to follow the joint portion of the cowl lower panel 15. It is formed in a concave shape, and is joined to a side front panel 19 that extends forward so as to be connected to the front wall portion 18b of the side lower panel 18 by a joining flange 18d at the upper end of the front wall portion 18b of the side lower panel 18. The side front panel 19 rises forward along the front wall portion 18b of the side lower panel 18 as shown in FIG. 3 on the side joined to the cowl panel 11, and horizontally on the front side as shown in FIG. 4 on the fender side. And joined to the cowl louver 14.

  In the present invention, in the vicinity of the joint between the cowl panel 11 and the cowl side panel 12, the bottom 15a of the cowl lower panel 15 has rainwater, cleaning liquid, and the like that have entered from the air inlet of the cowl louver 14 as shown in FIG. A discharge port 30 for discharging the liquid 3 out of the cowl 10 is provided. Then, the liquid 3 from the drainage port 30 is discharged outside the vehicle through the drainage groove 20 on the fender side, that is, the drainage groove 20 formed by the fender side panel 22 inside the fender panel 21 as shown in FIG. Further, a drain duct 40 is disposed between the drain port 30 and the drain groove 20. For example, as shown in FIG. 3, the drainage duct 40 has a substantially rectangular cross section, and is disposed so as to be inclined so that the liquid 3 flows to the fender side. The introduction port 41 of the drainage duct 40 is formed in the vertical direction, and a flange portion 41 a abuts against a flange portion 15 e formed on the bottom portion 15 a of the cowl lower panel 15. On the other hand, the drain outlet 42 on the other end side of the drain duct 40 extends in the vertical direction and is attached to the fender panel 21 and the dash panel 17 with a bracket 44 interposed therebetween.

  Therefore, as shown in FIGS. 3 and 5, the pipe portion 43 having a rectangular cross section is provided between the introduction port portion 41 and the discharge port portion 42 of the drainage duct 40 so that the cowl portion is inclined. The liquid 3 in 10 can be discharged from the drainage groove 20 on the fender side. At this time, as shown in FIG. 3 and FIG. 5, the bracket 45 is attached to the bottom portion 18a by fastening the bracket 45 to the mounting portion 18e protruding downward from the bottom portion 18a of the side lower panel 18 with the screw 45a. The pipe part 43 is supported by 45. In this way, the side lower panel 18 suspends the drainage duct 40.

  In the vehicle front structure according to the present embodiment, cowl portions 10 arranged between the engine hood and the front window glass are provided at both ends of cowl panel 11 with openings in the vehicle central axis of cowl panel 11. It is formed by joining cowl side panels 12 narrower than the groove width. Therefore, the cowl panel 11 extends to the cowl side panel 12 on the fender side with a groove width of the opening at the vehicle center axis, and extends to the groove width of the side panel 12 in the vicinity of both ends joined to the cowl side panel 12. By reducing the width, the cowl lower panel 15 and the like can be efficiently manufactured. The cowl side panel 12, particularly the side lower panel 18, can be efficiently manufactured by molding with resin.

  The above description is particularly effective in a vehicle with a front pillar. For comparison, a part of the conventional cowl portion 50 shown in FIG. 6 is assumed and is shown by broken lines in FIGS. In the conventional configuration, the dash panel 54 is arranged on the rear side as compared with the configuration of the present invention, and as shown in FIG. However, as shown in FIG. 4, since the cowl lower panel 51 is largely bent on the fender side, the yield of integral formation is deteriorated. On the other hand, in the present invention, the cowl side panel 12 is formed of a resin or the like separately from the cowl panel 11 and joined, so that the yield can be improved and the cowl portion 10 can be produced efficiently.

  The present invention can be appropriately modified in various ways within the scope of the invention described in the claims. For example, it goes without saying that the present invention can also be applied to a vehicle in which the arrangement of the front pillar is not advanced to the engine hood side.

It is the top view which showed typically the fender side of the cowl part among the front part structures of the vehicle which show embodiment of this invention. It is sectional drawing which follows the AA line of FIG. It is sectional drawing which follows the BB line of FIG. It is sectional drawing which follows the CC line of FIG. It is sectional drawing which follows the DD line | wire of FIG. 7A and 7B are cross-sectional views of a conventional cowl portion, in which FIG. 7A is a cross-sectional view taken along line EE of the vehicle shown in FIG. 7, and FIG. 7B is a cross-sectional view taken along line FF. It is a side view which shows the outline of the conventional vehicle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Front window glass 3 Liquid 10 Cowl part 11 Cowl panel 12 Cowl side panel 13 Cowl upper panel 13a, 15d, 16a, 16c, 17a, 18d Joint flange 14 Cowl louver 15 Cowl lower panel 15a, 18a Bottom part 15b, 18b Front wall part 15c, 18c Rear wall portion 15e, 41a Flange portion 16 Cowl front panel 16b Inclined portion 17 Dash panel 18 Side lower panel 18e Mounting portion 19 Side front panel 20 Drain groove 21 Fender panel 22 Fender side panel 30 Drain port 40 Drain duct 41 Inlet port 42 Drain port 43 Pipe 44, 45 Bracket 45a Screw

Claims (4)

In the front structure of a vehicle provided with a cowl,
A cowl side panel narrower than the groove width of the opening in the vehicle central axis of the cowl panel is joined to both ends of the cowl panel in which the opening having a concave cross section faces upward and extends in the vehicle width direction. Formed,
A drain outlet is opened in the cowl panel,
A front structure of a vehicle, wherein a drainage duct is disposed between the drainage port and a drainage groove on the fender side.   The vehicle front structure according to claim 1, wherein the cowl panel is formed by narrowing a groove width of the opening in the vicinity of a joint portion with the cowl side panel.   The vehicle front structure according to claim 1, wherein the cowl side panel is made of resin. The vehicle front part structure according to claim 1, wherein the drainage duct is suspended from the cowl part.

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