JP2005263002A - Cowl structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cowl structure capable of discharging water entering a cowl to a fender side, and blocking air entering the cowl from the fender side. <P>SOLUTION: A pair of blocking plate mounting parts 3h integrated with a cowl louver 3 are fixed to a front wall part 2a, a bottom part 2b and a rear wall part 2c of a cowl panel 2, and a blocking plate 4 is provided on the blocking plate mounting parts 3h. A closed space can be demarcated by the cowl panel 2 and the cowl louver 3, the blocking plate 4 is closed by the air entering the closed space from a fender side, and no air enters the closed space from the fender side. The blocking plate 4 provided on the blocking plate mounting parts 3h is opened by the flow of rain or the like entering from an air inlet 3a of the cowl louver 3, and rain entering the closed space can be discharged into a drain ditch on the fender side. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a cowl structure, and more particularly to a cowl structure that discharges water that has entered the cowl to the fender side and blocks air that enters the cowl from the fender side.

  Conventionally, a vehicle cowl structure (for example, Patent Document 1) in which outside air is introduced into a cross-sectional structure portion of a cowl through a ventilator air inlet of a cowl outer panel to ventilate a vehicle interior, or moisture that has entered the cowl. A structure (for example, Patent Document 2) for removing the film is considered.

  For example, a drainage groove is formed on the fender side, and the cowl and the fender can be connected to the outside of the vehicle through the drainage groove without collecting water that has entered from the air inlet of the cowl louver. It is formed in communication. Along with this, air enters the cowl from the engine room and other places through the drainage groove on the fender side.

Therefore, the following measures are taken to prevent such air from entering the cowl. FIG. 5 is a perspective view showing an outline of a conventional vehicle structure.
A space surrounded by a front fender, a front fender apron, an upper member, and a front fender liner in order to block air flowing in as indicated by an arrow a from the gap of the headlamp mounting portion 11 on the front side of the radiator support of the vehicle 10. A sealing member is provided in the inside for closing.

  Further, as shown by the arrow b, since the warm air from the engine room or the like enters the cowl through the drainage groove, if there is a gap between the front fender and the upper member in order to block the warm air, the sealing member Etc. to block it.

JP 09-136664 A JP 10-151940 A

However, since the cowl structure is connected to the drainage groove so that water does not accumulate in the cowl, the air entering the cowl from the drainage groove cannot be completely blocked as shown by the arrow c in FIG.
In addition, in order to block the air flowing into the cowl from the front side of the vehicle, each separate place is closed with a sealing member, but the member closed with the sealing member is not a single part, but spans multiple members, Due to variations in the shape of the seal member and each part, the seal member is peeled off, and each part cannot be sealed.
Moreover, since the places sealed with the seal members are scattered in different places, a process of sealing with the respective seal members is required, and the number of work processes is increased.

  Therefore, in view of the above problems, the present invention is capable of discharging water that has entered the cowl to the fender side without increasing the number of work steps and sealing each part with a sealing member, and air that enters the cowl from the fender side. It aims at providing the cowl structure which can interrupt.

  In order to achieve the above object, the present invention joins a cowl panel formed with a concave cross section at the front and rear walls and bottom and extended in the vehicle width direction, and a cowl louver having an air inlet. In the cowl structure formed in a closed cross-sectional structure, a blocking plate attaching portion fixed to the front and rear wall portions and the bottom portion of the cowl panel is formed on the cowl louver so as to define a closed space by the cowl panel and the cowl louver. The barrier plate is formed integrally on both sides in the vehicle width direction, an opening is provided in the shield plate mounting portion, and a shield plate that opens and closes the opening from the outside is provided on the upper end side of the opening. The fluid flowing into the closed space is discharged through the opening to the discharge groove on the fender side, and the blocking plate closes the opening to open the opening. From gender side through the opening, characterized in that shut off the air flowing between the closed space.

  With this configuration, when the cowl louver is joined to the cowl panel, the closed plate mounting portion is fixed to the front and rear wall portions and the bottom portion of the cowl panel, whereby a closed space can be defined in the cowl structure. In addition, the shielding plate provided in the shielding plate mounting part opens due to the pressure of liquid such as rain water and washing water injected from the air inlet opening in the cowl louver, so that the liquid in the cowl flows into the drainage groove on the fender side. Conversely, air that enters the closed space from the fender can be blocked by the blocking plate. Therefore, water that has entered the cowl can be discharged to the fender side without increasing the number of work steps and without sealing each part with a sealing member, and air that enters the cowl from the fender side can be blocked. Further, since the blocking plate is provided on the upper end side of the opening, the blocking plate can be opened even with a slight amount of water, and the liquid can be easily discharged from the closed space in the cowl through the opening of the blocking plate mounting portion.

Preferably, the bottom portion of the cowl panel is provided with a step portion while being inclined downward toward the fender side, and the upper end of the step portion is substantially flush with the top surface of the bottom portion of the shielding plate mounting portion. ing.
With this preferable configuration, the liquid in the cowl flows toward the fender side and can be easily discharged without accumulating the liquid in the cowl.

In the present invention, a pair of shielding plate mounting portions formed integrally with the cowl louver are fixed to the front and rear wall portions and the bottom portion of the cowl panel, and the shielding plate is attached to the shielding plate mounting portion, In order to define a closed space. As a result, when the cowl louver is joined to the cowl panel, a closed space can be defined in the cowl structure by fixing the blocking plate attaching portions to the front and rear wall portions and the bottom portion of the cowl panel. Therefore, it is not necessary to increase the number of work steps or to seal a plurality of locations with a sealing member. In addition, the barrier plate is closed by air that is about to flow into the closed space from the fender side, and the barrier plate is regulated so that it does not enter the closed space. The air flowing into the closed space can be blocked. On the contrary, when liquid such as rainwater is accumulated, the liquid opens the blocking plate, so that the liquid flowing into the closed space from the air introduction port can be discharged to the drainage groove on the fender side.
In addition, since the shielding plate is pivotally attached to the upper end of the opening of the shielding plate mounting portion, the shielding plate can be opened even with a slight amount of water, so that liquid can be easily discharged from the closed space in the cowl through the opening of the shielding plate mounting portion. it can.
In addition, the cowl panel has a bottom portion that is inclined downward toward the fender side, and a step portion is provided. The upper end of the step portion is substantially flush with the top surface of the bottom portion of the shielding plate mounting portion, thereby The liquid inside flows toward the fender and can be easily discharged without accumulating liquid in the cowl.

The best mode for carrying out the present invention will be described below with reference to the drawings.
FIG. 1 is an exploded perspective view showing a cowl structure 1 showing the best mode for carrying out the present invention, FIG. 2 is a schematic sectional view taken along the line AA in FIG. 1, and FIG. It is a schematic sectional drawing which follows a line. 1 and 2 show only the right side of the cowl structure 1 toward the rear of the vehicle, and FIGS. 2 and 3 show the main part of the cowl structure 1. In the figure, Fr indicates the front of the vehicle, Up indicates vertically upward, and In indicates the indoor direction.

  A cowl structure 1 which is the best mode for carrying out the present invention includes a cowl panel 2 having a concave cross section extending in the vehicle width direction so that the upper side is open, and a concave cross section having a concave cross section so that the lower side is open. A cowl louver 3 extending in the width direction is joined to form a closed cross-sectional structure.

  The cowl panel 2 is formed in a concave shape in cross section with a bottom 2a, a front wall 2b rising on the front side of the bottom 2a, and a rear wall 2c rising on the rear side of the bottom 2a. At the upper end of the front wall portion 2b, a belt-like joining flange 2d extends to the front of the vehicle, and at the upper end of the rear wall portion 2c, a belt-like joining flange 2e extends to the rear of the vehicle. As shown in FIG. 2, the bottom 2a of the cowl panel 2 is inclined downward toward the fender, and preferably has a step 2a1. Here, one or a plurality of duct openings 2f are provided at predetermined positions on the rear wall 2c so as to send air into the vehicle compartment as shown.

  On the other hand, the cowl louver 3 includes a front inclined portion 3b that is open so that a large number of air inlets 3a are arranged, an upper portion 3c that extends rearward at the upper end of the front inclined portion 3b, and a rear portion of the upper portion 3c. A rear inclined portion 3d extending so as to incline in the opposite direction to the front inclined portion 3b at the end is formed in a concave cross section. A joining flange 3e extends at the front end of the front inclined portion 3b, a joining flange 3f extends at the rear end of the rear inclined portion 3d, and the lower end portion of the windshield glass 4 is provided at the joining flange 3f. A member 3g for mounting is provided.

  Here, a pair of blocking plate attachment portions 3 h are integrally formed at both ends of the cowl louver 3 in the vehicle width direction. The blocking plate attaching portion 3h is formed so as to correspond to the concave shape of the cross section of the cowl panel 2, and is fixed to the bottom portion 2a, the front wall portion 2b and the rear wall portion 2c of the cowl panel 2. As shown in FIG. 2, it is preferable that the shielding plate attaching portion 3 h is fixed to the fender side of the step portion 2 a 1 formed on the bottom portion 2 a of the cowl panel 2. A seal member (not shown) may be interposed between the outer periphery of the blocking plate attachment portion 3h and the cowl panel 2. In addition, an opening is provided in the blocking plate mounting portion 3h, and a blocking plate 4 that opens and closes the opening from the outside is provided on the upper end side of the opening. That is, as shown by the arrow C in FIG. The number of openings and blocking plates 4 is not limited to the two illustrated, and may be one or three or more.

Hereinafter, the blocking plate attachment portion 3h will be described in detail.
FIG. 4 is a schematic perspective view of the shielding plate attaching portion 3h of the cowl structure 1. FIG.
The shielding plate mounting portion 3h is roughly attached to the front fixing portion 3h1 fixed to the front wall portion 2b of the cowl panel 2, the bottom portion 3h2 fixed to the bottom portion 2a of the cowl panel 2, and the rear wall portion 2c of the cowl panel 2. The rear fixing part 3h3 to be fixed is formed in a shape corresponding to the concave shape of the cross section of the cowl panel 2. The front adhering portion 3h1 and the rear adhering portion 3h3 form a horizontal cross section having a U-shaped horizontal cross-section with the side wall portion 3h4 on the fender side, thereby simplifying and reducing the weight of the shielding plate attaching portion 3h. . The fender side wall 3h4 forms an opening 5 with front and rear inner walls 3h5 and upper and lower walls 3h6. In the opening 5, an edge 3h7 is inclined. This edge 3h7 is provided with a hole 8 for draining the water in the cowl. A blocking plate 4 is pivotally mounted on the upper end side of the upper end of the opening 5 and acts as a lid that opens upward. The blocking plate 4 is attached to an edge 3h7 extending from the inner wall 3h5 and the upper and lower walls 3h6. The hole 8 is closed by contact from the outside, that is, from the fender side. The edge 3h7 restricts the blocking plate 4 from entering the closed space defined by the cowl panel 2 and the cowl louver 3. The shield plate 4 is not only mounted on the shield plate mounting portion 3h but also integrally formed with the shield plate mounting portion 3h to provide the integral hinge function on the upper end side of the shield plate 4 to constitute the shield plate 4 For example, the blocking plate 4 may be provided on the upper end side of the opening 5 so as to open and close the opening 5 of the blocking plate mounting portion 3h from the outside.

  In addition, a hole 8, that is, a hole 8 formed by an edge 3 h 7 that regulates the lower blocking plate 4 is disposed on a virtual extending straight line extending from the inside to the outside of the step 2 a 1 of the bottom 2 a of the cowl panel 2. Has been. Thus, if the upper end of the step 2a1 formed on the bottom 2a of the cowl panel 2 is substantially flush with the upper surface of the bottom 3h2 of the blocking plate mounting portion 3h, the blocking plate mounting portion 3h is connected to the step 2a1. By making it abut against the fender side of the water, it is possible to make it difficult to collect water in the cowl.

  By the way, as shown in FIG. 2, cowl side panels are arranged at both ends of the cowl panel 2 and the cowl louver 3 in the vehicle width direction. The cowl side panel is formed by joining a cowl side upper panel 6a and a cowl side inner panel 6b. A drainage groove 7 is formed in the cowl side inner panel 6b in the front-rear direction of the vehicle.

  As described above, since the shielding plate 4 is pivotally attached to the shielding plate mounting portion 3h formed integrally with the cowl louver 3, the drainage groove on the fender side with respect to the closed space defined by the cowl panel 2 and the cowl louver 3 is used. Even if air is about to flow in from 7, the blocking plate 4 rotates clockwise as viewed from the front of the vehicle to block the opening 5 of the blocking plate mounting portion 3h as shown in FIG. Therefore, the air which flows into the closed space from the drainage groove 7 on the fender side through the opening 5 of the blocking plate mounting portion 3h is blocked.

  Conversely, when liquid such as rainwater enters the closed space from the air inlet 3a of the cowl louver 3, the bottom 2a of the cowl panel 2 is inclined downward toward the fender as shown in FIG. Then, the liquid flows to the fender side, and the blocking plate 4 pivotally attached to the blocking plate mounting portion 3h is opened by the liquid flow or water pressure, and the rainwater is discharged through the opening 5 to the drain groove 7 on the fender side.

  As described above, the cowl louver 3 is integrally provided with the shielding plate attaching portion 3h that is fixed to the bottom 2a, the front wall portion 2b, and the rear wall portion 2c of the cowl panel 2, and the shielding plate 4 is attached to the shielding plate attaching portion 3h. By wearing it, a closed space can be formed by the cowl louver 3 and the cowl panel 2 with the blocking plate attachment portion 3h.

  Thus, in the work process of joining the cowl panel 2 to the cowl louver 3, the shielding plate mounting portion 3h is fixed to the bottom 2a, the front wall 2b and the rear wall 2c of the cowl panel 2, so that the cowl panel 2 and A closed space can be formed by the cowl louver 3. Therefore, since it is not necessary to provide a sealing member at each location as in the prior art, the work process can be reduced.

  Further, the air flowing into the vehicle compartment via the duct opening 2f can be made only from the air inlet 3a opened in the cowl louver 3, and air can be prevented from flowing in from the fender side. Accordingly, it is possible to completely block warm air, dust, dust, and the like that leak from the gaps behind the engine room and the headlamp.

  In addition, as shown by the arrow C in FIG. 1, the liquid such as rain water and washing water entering from the air inlet 3a established in the cowl louver 3 is opened by the flow of the liquid to the fender side. As shown by the arrow D in FIG. 1 or FIG.

  The above-described embodiment is merely an example of the present invention, and the shape of each component in the present invention is not limited to what is illustrated or described above, and may be appropriately changed within the scope of the claims. Good.

It is the disassembled perspective view which showed the cowl structure which shows the best form for implementing this invention. It is a schematic sectional drawing in alignment with the AA of FIG. It is a schematic sectional drawing in alignment with the BB line of FIG. It is a schematic perspective view of the shielding plate attachment part of a cowl structure. It is a perspective view which shows the outline of the conventional vehicle structure.

Explanation of symbols

1 cowl structure 2 cowl panel 2a bottom 2a1 step 2b front wall 2c rear wall 2d, 2e, 3e, 3f joint flange 2f duct opening 3 cowl louver 3a air inlet 3b front inclined part 3c upper part 3d rear inclined part 3g Member 3h Blocking plate mounting portion 3h1 Front fixing portion 3h2 Bottom portion 3h3 Rear fixing portion 3h4 Side wall portion 3h5 Inner wall 3h6 Wall 3h7 Edge portion 4 Blocking plate 5 Opening 6a Cowl side upper panel 6b Cowl side inner panel 7 Drainage groove 8 hole

Claims (2)

In the cowl structure formed in a closed cross-section structure by joining a cowl panel formed in a concave cross section at the front and rear walls and bottom and extending in the vehicle width direction, and a cowl louver that opened an air inlet,
In order to define a closed space by the cowl panel and the cowl louver, the front and rear wall parts and the bottom plate attaching part fixed to the bottom part of the cowl panel are integrally formed on both sides in the vehicle width direction of the cowl louver. And
An opening is provided in the blocking plate mounting portion, and a blocking plate that opens and closes the opening from the outside is provided on the upper end side of the opening.
The blocking plate rotates outwardly of the closed space to open the opening, thereby discharging the fluid flowing into the closed space to the discharge groove on the fender side through the opening, and the blocking plate opens the opening. A cowl structure that shuts off air flowing into the closed space from the fender side through the opening by closing.   A step portion is provided at the bottom portion of the cowl panel while being inclined downward toward the fender side, and the upper end of the step portion is substantially flush with the upper surface of the bottom portion of the shielding plate mounting portion. The cowl structure according to claim 1, wherein the cowl structure is characterized.