JP2014136540A - Connection structure for cowl top side - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a connection structure for a cowl top side such that the cowl top side is arranged between a front pillar and an upper member and connected, the cowl top side being suppressed from drooping from an upper surface toward a device configuration in a vehicle.SOLUTION: A cowl top side 30 as a width-directional end of a cowl top 27 is arranged between a front pillar 11 and an upper member 21. Members capable of securing rigidity between those front pillar 11 and upper member 21 can be arranged in a row. A drain part 51 is provided in a water running region T on an upper surface 331 of a front-rear extension part 33 of the cowl top side 30. Water flowing in the water running region T can be moved toward a width-directionally outside outer end edge 34 of the cowl top side 30. The drain part 51 includes an inclined surface 53 formed by recessing the width-directionally outside outer end edge 34 of the cowl top side 30.

Description

  The present invention relates to a cowl top side coupling structure in which a cowl top side as an end portion in the width direction of a cowl top is disposed and coupled between a front pillar and an upper member.

In recent vehicle frame structures, it is known that the lower end of the front pillar and the upper end of the upper member are shifted in the vehicle width direction (left-right direction). In such a vehicle frame structure, a space is formed between the front pillar and the upper member. For this reason, there is a voice that the shock transmission path along the vehicle front-rear direction is shifted between the front pillar and the upper member, and this shock transmission is not performed well. For this reason, in such a vehicle frame structure, there is a high demand for further improvement in vehicle rigidity.
By the way, in view of such a problem, a technique in which a cowl top side is disposed between a front pillar and an upper member is known (for example, see Patent Document 1). Thus, when the cowl top side is arranged between the front pillar and the upper member, the front pillar and the upper member can form a frame structure that extends continuously in the front-rear direction of the vehicle. As a result, the rigidity of the vehicle frame structure can be increased.

JP 2010-155491 A

  By the way, when the coupling structure of the cowl top side is set as described above, the cowl top side is disposed below the lower end portion of the front pillar. Then, when water such as rain water dripping along the front pillar, the water also travels down to the upper surface of the cowl top side. That is, such rain water or the like drippings along the front pillar, and further drops down from the cowl top side along the upper surface of the cowl top side. If it does so, water may splash on the vehicle internal device arrange | positioned under such a cowl top side and inside. Since such a device configuration inside the vehicle may be configured by electronic equipment, it is desirable to devise measures to prevent water from being applied as much as possible.

  The present invention has been made in view of such circumstances, and the problem to be solved by the present invention is that a cowl top side as an end portion in the width direction of the cowl top is disposed between the front pillar and the upper member. Thus, in the coupling structure of the cowl top side that is coupled, the water dripping along the front pillar is prevented from dripping from the upper surface of the cowl top side toward the device configuration inside the vehicle.

In order to solve the above-described problems, the cowl top side connection structure according to the present invention takes the following means. That is, the cowl top side coupling structure according to the first aspect of the present invention includes a front pillar in which a cowl top side as a width direction end portion of the cowl top extends in the vehicle vertical direction as a vehicle front column, and a vehicle longitudinal direction. A cowl top side connection structure that is disposed between and connected to an upper member that supports the upper portion of the suspension device, and the upper surface of the cowl top side is routed along the upper surface of the cowl top side. A draining portion for advancing the incoming water toward the outer edge of the cowl top side in the width direction is provided by forming a step in the vertical direction.
According to the coupling structure of the cowl top side according to the first invention, the cowl top side as the end portion in the width direction of the cowl top is disposed between the front pillar and the upper member. The members that can ensure rigidity can be arranged in series with each other. Thereby, the rigidity between these front pillars and the upper member can be increased. Here, since the drainage portion is provided on the upper surface of the cowl top side, the water that has traveled along the upper surface of the cowl top side can be advanced toward the outer edge of the cowl top side in the width direction, It is possible to suppress the water dripping along the front pillar from dripping toward the device configuration inside the vehicle.

The cowl top side connection structure according to a second aspect of the present invention is the cowl top side connection structure according to the first aspect of the present invention, wherein the draining portion dents the outer edge of the cowl top side in the width direction. It is formed by this. According to the coupling structure of the cowl top side according to the second aspect of the invention, the draining portion is formed by denting the outer edge in the width direction of the cowl top side. A draining portion can be provided on the cowl top side easily and economically while reducing the influence.
The cowl top side connection structure according to a third aspect of the present invention is the cowl top side connection structure according to the first or second aspect of the invention, wherein the draining portion is formed on the cowl top side on the upper surface of the cowl top side. It is formed including a groove extending along the width direction of the side. According to the coupling structure of the cowl top side according to the third aspect of the invention, the draining portion is formed on the upper surface of the cowl top side including the groove extending along the width direction of the cowl top side. By the groove extending along the width direction of the water, the water on the upper surface of the cowl top side can be guided outward in the width direction.
Further, a cowl top side connection structure according to a fourth aspect of the present invention is the cowl top side connection structure according to the first to third aspects of the invention, wherein the draining portion is formed on the upper surface of the cowl top side. It is formed including a damming convex shape extending along the width direction of the side. According to the coupling structure of the cowl top side according to the fourth aspect of the present invention, the draining portion is formed on the upper surface of the cowl top side including a damming convex shape extending along the width direction of the cowl top side. Water on the upper surface of the cowl top side can be guided toward the outside in the width direction by the dam convex shape extending along the width direction of the cowl top side.

According to the coupling structure of the cowl top side according to the first aspect of the present invention, it is possible to suppress dripping of water dripping along the front pillar toward the device configuration inside the vehicle.
According to the coupling structure of the cowl top side according to the second aspect of the invention, when the draining portion is provided on the cowl top side, the influence on the other members can be reduced most.
According to the coupling structure of the cowl top side according to the third invention, the water on the upper surface of the cowl top side can be guided toward the outside in the width direction by the groove.
According to the coupling structure of the cowl top side according to the fourth aspect of the invention, the water on the upper surface of the cowl top side can be guided outward in the width direction by the damming convex shape.

It is a conceptual diagram which shows typically the structure in the lower part of a front pillar. It is a conceptual diagram which shows a cowl top side typically. It is a conceptual diagram which shows typically the (III)-(III) cross-section arrow in FIG. It is a conceptual diagram which shows typically the (IV)-(IV) cross-section arrow in FIG. It is a conceptual diagram which shows the modification of a cowl top side typically.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments for carrying out a cowl top side connection structure according to the present invention will be described with reference to the drawings.
Reference numeral 10 in the conceptual diagram of FIG. 1 is a vehicle, and schematically shows the structure of the lower portion of the front pillar 11. In addition, as described in the drawings, the following description will be described by defining the front, rear, up, down, left and right with the traveling direction of the vehicle as the front.
Reference numeral 11 shown in the conceptual diagram of FIG. 1 is a front pillar having a front support structure. Reference numeral 13 denotes a windshield glass disposed on the front side of the driver seat and the passenger seat. Reference numeral 27 denotes a cowl top provided along the lower edge of the windshield glass 13. The front pillar 11 is provided so as to form a support structure so as to form a vehicle interior space in which a passenger is seated. The front pillar 11 is installed so as to form a lateral edge of the windshield glass 13. Like the general front pillar, the front pillar 11 has a structure that extends in the vertical direction of the vehicle and inclines toward the rear side as it goes up.
Reference numeral 21 denotes an upper member 21 having an upper beam structure. The upper member 21 is provided so as to form a beam structure so as to form an engine room space. The upper member 21 is coupled to the upper end of the suspension tower 24 that is a part of the suspension device 23 so as to support the upper portion of the suspension device 23. Thus, the upper member 21 supports the suspension tower 24 to which the upper end is coupled, and thus supports the upper portion of the suspension device 23. In addition, the code | symbol 25 shown in FIG. 1 is a fender panel.

Incidentally, as shown in FIG. 1, a cowl top side 30 is disposed inside the fender panel 25, below the lower end 111 of the front pillar 11, and above the upper portion 211 of the upper member 21. The cowl top side 30 is also configured as an end of the cowl top 27 in the width direction. Therefore, the cowl top side 30 has a structure that supports the cowl top 27.
The cowl top side 30 disposed between the front pillar 11 and the upper member 21 is configured as follows. FIG. 2 is a conceptual diagram schematically showing the cowl top side 30. FIG. 3 is a conceptual diagram schematically showing the (III)-(III) cross-sectional view in FIG. FIG. 4 is a conceptual diagram schematically showing the (IV)-(IV) cross-sectional view in FIG. As shown in FIG. 2, the cowl top side 30 is configured as an end portion in the width direction of the cowl top 27 provided along the lower edge of the windshield glass 13. For this reason, the cowl top side 30 has a function of supporting the cowl top 27 from both sides. The cowl top side 30 is configured as a metal molded member. The cowl top side 30 configured as described above is arranged and configured to connect the front pillar 11 and the upper member 21.
As shown in FIG. 2, the cowl top side 30 is formed by a single molded member made of metal. The cowl top side 30 is generally shaped so that the upper side wall 31 and the side side wall 41 are connected to each other. The upper side wall portion 31 is formed so as to have a substantially L shape when viewed from above. Further, the side sidewall portion 41 is formed corresponding to the shape of the fender panel 25 described above. In addition, the code | symbol 19 shown in FIG. 2 has shown typically the wiper motor used as the rotation drive source of a wiper.

  Each part constituting the cowl top side 30 will be described. The cowl top side 30 is configured to support the right end of the cowl top 27 as shown in FIG. The upper side wall portion 31 shown in FIG. 2 roughly includes a front-rear extension portion 33 and a left-right extension portion 37. The front-rear extension portion 33 is formed so as to extend in the front-rear direction, like the front pillar 11. The left and right extending portions 37 are formed so as to extend in the left-right direction, like the cowl top 27. For this reason, the left and right extending portion 37 extends in a direction substantially orthogonal to the front and rear extending portion 33. Even in the front-rear extension portion 33 and the left-right extension portion 37, the windshield glass 13 is bonded and supported in the same manner as the front pillar 11 and the cowl top 27. That is, even in the longitudinally extending portion 33 of the upper side wall portion 31, the urethane adhesive 17 is applied to the upper surface 331 and the windshield glass 13 is adhered as shown in FIG. Further, even in the left and right extending portion 37 of the upper side wall portion 31, as shown in FIG. 4, the urethane adhesive 17 is applied to the upper surface 371 and the windshield glass 13 is adhered. 2 is a range where the urethane adhesive 17 is applied. As described above, the urethane adhesive 17 is applied to the upper surfaces 331 and 371 of the upper side wall portion 31 within the range indicated by the reference symbol U, and the windshield glass 13 is bonded. Reference numeral 34 denotes an outer edge of the upper surface 331 of the front / rear extending portion 33.

On the other hand, the range U to which the urethane adhesive 17 is applied is a range that is substantially half (almost half of the inner side) along the inner edge of the upper surface 331 of the front-rear extension part 33 on the upper surface 331 of the front-rear extension part 33 described above. Set to For this reason, the range except the range U to which the urethane adhesive 17 is applied on the upper surface 331 of the front-rear extension portion 33 is exposed to the outside as a range indicated by the reference symbol T. Specifically, the range T exposed to the outside is set to a substantially half range (substantially half the outer side) along the outer edge 34 of the front and rear extension 33 so that the urethane adhesive 17 is not applied. It has become. That is, the range T exposed to the outside is a “flowing region (hereinafter referred to as flowing water) in which water such as rainwater flows in the upper wall portion 31 of the cowl top side 30 in the upper surface 331 of the front and rear extension 33. Region T) ".
That is, the flowing water region T is a region through which water such as rainwater transmitted from the front pillar 11 flows. Specifically, reference numeral 15 shown in FIG. 3 is a gap generated between the front pillar 11 and the windshield glass 13. A gap 15 formed between the front pillar 11 and the windshield glass 13 functions as a water passage space that facilitates the transmission of water such as rainwater. Here, the water transmitted through the gap 15 is transmitted to the cowl top side 30 disposed below the front pillar 11. Here, the flowing water region T of the cowl top side 30 is arranged and set so as to be connected to the gap 15 in the up-down and front-back directions. For this reason, the water that has traveled through the gap 15 generated in the front pillar 11 naturally tends to flow downward along the flowing water region T of the cowl top side 30.

On the other hand, in the range of the flowing water region T provided on the upper surface 331 of the front and rear extending portion 33 in the cowl top side 30 described above, a draining portion 51 for cutting the water that has traveled through the flowing water region T is provided. Yes. The draining portion 51 advances water such as rainwater that has been transmitted through the flowing water region T on the upper surface 331 of the front and rear extension 33 toward the outer edge 34 on the outer side in the width direction of the cowl top side 30. The drainage of the water transmitted to the flowing water region T is performed. As shown in FIGS. 2 and 3, the draining portion 51 is formed by forming an inclined surface 53 so as to partially cut out the outer edge 34 on the outer side in the width direction of the cowl top side 30. . Specifically, as shown in FIG. 3, the inclined surface 53 has a shape that is obtained by cutting off a flat flowing water region T at an angle of approximately 45 degrees. That is, the draining portion 51 has a shape in which the outer edge 34 on the outer side in the width direction of the cowl top side 30 is recessed by the inclined surface 53. In other words, the draining portion 51 is provided with a step in the vertical direction in the flowing water region T by denting the outer edge 34 in this way, and the draining performance as the draining portion 51 is provided by the step in the vertical direction. It is to secure.
In addition, guide inclined surfaces 54 and 55 are provided at portions adjacent to the inclined surface 53 in the front-rear direction. The guide inclined surfaces 54, 55 are provided so that water such as rainwater that has traveled through the flowing water region T smoothly proceeds toward the outer edge 34 on the outer side in the width direction of the cowl top side 30 by the inclined surface 53. . Specifically, the guide inclined surfaces 54 and 55 are formed such that the outer edge 34 adjacent in the vertical position is gradually connected to the inclined surface 53 formed as described above. That is, the guide inclined surfaces 54 and 55 have a shape connected to the inclined surface 53 so that the shape gradually changes from the angular outer edge 34 to the flat inclined surface 53.

A water sink 61 is provided below the left and right extending portion 37. This water sink 61 is formed to have the same configuration as a rain gutter used for a house. That is, the water sink 61 is formed such that a cylindrical half-shape is arranged along the lower end edge 38 of the left and right extending portion 37. The water sink 61 moves water such as rain water that has been transmitted through the windshield glass 13 toward the outside in the width direction of the cowl top side 30 to drain the water that has been transmitted. It is.
Moreover, the side side wall part 41 is extended to the lower side by the right end of the above-mentioned front-back extension part 33. As shown in FIG. That is, the side side wall part 41 is provided over the range where the front-back extension part 33 of the upper side wall part 31 extends. The side wall portion 41 is formed such that a substantially flat surface is provided in a direction orthogonal to the substantially flat surface direction of the upper wall portion 31. For this reason, the rigidity in the front-rear direction of the cowl top side 30 is enhanced by the upper side wall portion 31 and the side side wall portion 41. A projecting tab 43 that can be engaged with an appropriate member is provided below the side wall 41. The protruding tabs 43 are provided so as to protrude outwardly from the lower end edge of the side side wall portion 41 in a tongue shape.
Note that the rigidity of the cowl top side 30 is enhanced by the upper side wall portion 31 and the side side wall portion 41.

According to the connection structure of the cowl top side 30 of the above-described embodiment, the following operational effects can be achieved.
That is, according to the coupling structure of the cowl top side 30 described above, the cowl top side 30 as the end portion in the width direction of the cowl top 27 is disposed between the front pillar 11 and the upper member 21. 11 and the upper member 21 can be arranged by connecting members that can ensure rigidity. As a result, the rigidity between the front pillar 11 and the upper member 21 can be increased. Here, since the drainage portion 51 is provided in the flowing water region T of the upper surface 331 of the front and rear extending portion 33 of the cowl top side 30, the water that has traveled through the flowing water region T is discharged outside in the width direction of the cowl top side 30. It is possible to prevent the water dripping along the front pillar 11 from drooping toward the device configuration inside the vehicle (for example, the wiper motor 19).
Further, according to the coupling structure of the cowl top side 30 described above, the draining portion 51 includes the inclined surface 53 formed by denting the outer edge 34 on the outer side in the width direction of the cowl top side 30. The draining portion 51 can be provided on the cowl top side 30 easily and economically while reducing the influence of the shape change on other members.

Note that the cowl top side connection structure according to the present invention is not limited to the above-described embodiment, and may be configured by appropriately changing the location. That is, in the above-described cowl top side 30, the draining portion 51 is configured by providing the inclined surface 53. However, the draining portion according to the present invention is not limited to this example, and the water that has traveled through the upper surface 331 of the front-rear extension portion 33 of the cowl top side 30 is transferred to the outer end of the cowl top side 30 on the outer side in the width direction. An appropriate shape can be selected as long as it is provided by forming a step in the vertical direction so as to advance toward the edge 34.
For example, it may be configured as shown in FIGS. 5 (A) and 5 (B). That is, FIG. 5 is a conceptual diagram schematically showing a modification of the cowl top side 30 described above. A cowl top side 30A shown in FIG. 5 (A) is an example of a groove-shaped draining portion 51A in which the draining portion 51 is configured in a simple groove shape. A cowl top side 30B shown in FIG. 5B is an example of a mountain-shaped draining portion 51B in which the draining portion 51 described above is configured in a simple mountain shape.

A groove-shaped draining portion 51A shown in FIG. 5A has a groove shape so as to cut out the outer edge 34 of the front-rear extension portion 33 described above. The groove-shaped draining portion 51A extends along the width direction of the cowl top side 30A. Further, the depth of the groove of the groove-shaped draining portion 51 </ b> A is set so as to become deeper toward the outer end edge 34. Even when the groove-shaped draining portion 51A is set as shown in FIG. 5A, the cowl top side 30A can function as the draining portion 51 of the above-described embodiment. That is, the water on the upper surface 331 of the front and rear extension 33 can be guided outward in the width direction by the groove-shaped draining part 51A extending along the width direction of the cowl top side 30A.
Moreover, the mountain-shaped draining part 51B shown to FIG. 5 (B) has comprised the damming convex shape toward the outer side edge 34 of the above-mentioned front-back extension part 33. As shown in FIG. The mountain-shaped draining portion 51B extends along the width direction of the cowl top side 30B. Further, the height of the mountain of this mountain-shaped draining portion 51B is set so as to be a uniform height even toward the outer edge 34. Even when the mountain-shaped draining portion 51B is set as shown in FIG. 5B, the cowl top side 30B can be caused to function like the draining portion 51 of the above-described embodiment. That is, the water on the upper surface 331 of the front / rear extending portion 33 can be guided outward in the width direction by the mountain-shaped draining portion 51A extending along the width direction of the cowl top side 30B.
Furthermore, as a configuration of the draining portion according to the present invention, for example, the configuration shown in FIG. 5A described above and the configuration shown in FIG. 5B described above may be combined. That is, a step is formed in the vertical direction so that the water that has traveled along the upper surface 331 of the front and rear extension 33 of the cowl top side 30 is advanced toward the outer edge 34 on the outer side in the width direction of the cowl top side 30. If so, it may be configured in an appropriate manner.
Moreover, as a cowl top side which makes the width direction edge part of the cowl top which concerns on this invention, it is not limited to an above-described edge part connection shape, A suitable edge part connection shape can be selected.

DESCRIPTION OF SYMBOLS 10 Vehicle 11 Front pillar 111 Lower end of front pillar 13 Wind shield glass 15 Clearance 17 Urethane adhesive 19 Wiper motor 21 Upper member 211 Upper part of upper member 23 Suspension device 24 Suspension tower 25 Fender panel 27 Cowl top 30 Cowl top side 31 Upper side wall 33 Existing portion 331 Upper surface of front and rear extension portion 34 Outer edge 37 Right and left extension portion 371 Upper surface of left and right extension portion 38 Lower side edge 41 Side side wall portion 43 Projection tab 51 Drainage portion 53 Inclined surface 54, 55 Guide inclined surface 61 Water sink ridge T Flow area U Application range of adhesive

Claims (4)

A cowl top side as an end in the width direction of the cowl top is disposed between a front pillar that extends in the vehicle vertical direction as a vehicle front column and an upper member that extends in the vehicle longitudinal direction and supports the upper portion of the suspension device. A cowl top side connection structure to be connected,
On the upper surface of the cowl top side, a draining part for advancing water that has traveled on the upper surface of the cowl top side toward the outer edge in the width direction of the cowl top side forms a step in the vertical direction. A coupling structure of the cowl top side, characterized by being provided. The coupling structure of the cowl top side according to claim 1,
The cowl top side connection structure, wherein the draining portion is formed by denting an edge of the cowl top side on the outer side in the width direction. In the coupling structure of the cowl top side according to claim 1 or claim 2,
The cowl top side coupling structure, wherein the draining portion is formed on the upper surface of the cowl top side so as to include a groove extending along the width direction of the cowl top side. In the connection structure of the cowl top side in any one of Claims 1-3,
The cowl top side coupling structure, wherein the draining portion is formed on the upper surface of the cowl top side so as to include a damming convex shape extending along the width direction of the cowl top side.

Images