JP2010149547A - Cowl portion structure of automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cowl structure of an automobile ensuring a shock absorbing function of a cowl louver, and being easily manufactured even if a distance between a cover member and a vehicle body structure member becomes large. <P>SOLUTION: The cover member 6 is composed of an outer member 15 having a design surface formed so as to be a substantially continuous surface to a fender panel 5, a hood 2, and the cowl louver 4; and an inner member 16 having a plurality of mounting portions 16a, 16b mounted on vehicle body structure members (a fender panel, an apron member) 5, 8. The mounting portions 16a, 16b of the inner member 16 are disposed so as to position a straight line S connecting the mounting portions in substantially parallel with a parting line A between the outer member 15 and the cowl louver 4 or a vehicle body center line C extending in a vehicle fore-and-aft direction, and at a middle portion in a vehicle width direction of the outer member 15. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention is surrounded by a cowl louver disposed between the hood and the windshield, a fender panel disposed outward of the hood and the cowl louver in the vehicle width direction, and the fender panel, the hood, the windshield, and the cowl louver. The present invention relates to a cowl structure of an automobile provided with a cover member arranged to cover a gap.

  As a cowl part of an automobile, for example, in Patent Document 1, a cowl louver disposed so as to cover between a hood and a windshield is attached to a cowl panel which is a vehicle body structural member, and the cowl louver and left and right fender panels are mounted. A structure is employed in which a gap formed between the two is covered with a cover member.

On the other hand, in recent automobiles, from the viewpoint of enhancing the appearance, the cowl louver is arranged at a high place so as to form a continuous surface with the hood, and the cover member is designed to be arranged so as to form a continuous surface with the hood, the cowl louver and the fender panel. There is a case.
Japanese Utility Model Publication No. 4-19348

  However, when the cowl louver is attached close to the cowl panel as in the conventional publication, there is a concern that the impact force absorbing function of the cowl louver when an impacted object falls from above is low.

  In addition, when the cowl louver is positioned at a high position so as to form a continuous surface with the hood, a vertical gap is generated between the cowl louver and the cowl panel, so that the impact force absorbing function of the cowl louver can be enhanced. It becomes. However, when the cowl louver is arranged at a high place, the gap in the height direction between the cover member and the vehicle body structural member also increases, so it is necessary to lengthen the leg portion of the cover member to be attached to the vehicle body structural member. Production may be difficult.

  The present invention has been made in view of the above-mentioned conventional situation, and even if the clearance in the height direction between the cover member and the vehicle body structural member is large while securing the shock absorbing function of the cowl louver, It is an object to provide a cowl structure of an automobile that can be easily manufactured.

  The invention of claim 1 includes a cowl louver disposed so as to cover a space between the hood and the windshield, a fender panel disposed outside the cowl louver and the hood in the vehicle width direction, the fender panel, and the hood. , A cowl structure of an automobile comprising a windshield and a cover member disposed so as to cover a gap surrounded by the cowl louver, the cover member being substantially continuous with the fender panel, the hood, and the cowl louver. An outer member having a design surface formed to form an inner member and an inner member having a plurality of attachment portions attached to the vehicle body structural member, and each attachment portion of the inner member is a straight line connecting the attachment portions. Is substantially parallel to a parting line between the outer member and the cowl louver or a vehicle body center line extending in the vehicle longitudinal direction, and the vehicle width direction of the outer member It is characterized by being arranged so as to be located Applications section.

  According to a second aspect of the present invention, in the cowl part structure of the automobile according to the first aspect, the outer member and the inner member have a claw formed on one of the claws and an engaging part formed on the other. The outer member and the cowl louver are combined by engaging a claw part formed on one side and an engaging part formed on the other side. Yes.

  According to the cowl part structure of the first aspect of the invention, the cover member includes an outer member formed so as to form a substantially continuous surface with the fender panel, the hood, and the cowl louver, and an inner member attached to the vehicle body structural member. Since it comprised, even if the clearance of the height direction between a cover member and a vehicle body structure member is large, manufacture becomes easy.

  In the present invention, the mounting portion of the inner member is positioned so that the straight line connecting the mounting portions is substantially parallel to the parting line between the outer member and the cowl louver or the vehicle body center line and in the middle of the outer member in the vehicle width direction. When the impacted object falls on the cowl louver or cover member from above, the inner member is easily displaced in the vehicle width direction from the mounting portion via the outer member, and falls easily, and absorbs the impacted object's load. And the ability to absorb impact force can be enhanced.

  In the invention of claim 2, since the outer member and the inner member are coupled by claw engagement, and the outer member and the cowl louver are coupled by claw engagement, when the collision object falls on the cowl louver or the outer member, When the claws are disengaged with the displacement of the member in the vehicle width direction, the outer member is easily dropped off, and the impact force absorbing function can be further enhanced.

  Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

  FIGS. 1 to 13 are views for explaining a structure of a cowl part of an automobile according to an embodiment of the present invention. FIGS. 1, 2, and 3 are a plan view, a front view, and a side view of a cowl part of the automobile. 4 and 5 are perspective views and bottom views of the outer member, FIG. 6 is a plan view of the inner member, FIG. 7 is a sectional view of the cover member (sectional view taken along line VII-VII in FIG. 1), and FIGS. FIG. 8 is a cross-sectional view of the cover member (cross-sectional views taken along lines VIII-VIII, IX-IX, XX, XI-XI, XII-XII, and XIII-XIII in FIG. 6).

  In the figure, reference numeral 1 denotes a cowl portion of an automobile. The cowl portion 1 includes a hood 2 that opens and closes the engine compartment, a windshield 3 disposed behind the hood 2, a cowl louver 4 disposed so as to cover between the hood 2 and the windshield 3, The left and right fender panels 5, 5 disposed outside the hood 2 and the cowl louver 4 in the vehicle width direction, and the gap surrounded by the fender panel 5, the hood 2, the windshield 3, and the cowl louver 4 are covered. The left and right cover members 6 and 6 are provided.

  Front pillars 7 and 7 that support side edges of the windshield 3 are disposed on the left and right sides of the windshield 3. The left and right front pillars 7 are connected to a cowl panel (not shown) that supports the lower edge of the windshield 3 and defines an engine compartment and a vehicle compartment. The left and right front pillars 7 are connected to apron members 8 and 8 having a closed cross-sectional square tube shape extending from the front pillar 7 forward of the vehicle.

  A front bumper 10 that covers the lower side of the hood 2 is attached to the front end of the left and right fender panels 5. The front bumper 10, the hood 2, and the fender panel 5 are connected to the left and right headlight openings 11. , 11 are formed.

  A wheel arch portion 5a is formed at the lower part of the left and right fender panels 5 so as to cover the front wheel (not shown), and a flange portion 5b that is bent and extended inward in the vehicle width direction is formed at the upper edge portion. Yes.

  The left and right fender panels 5 have upper and lower mounting portions 5c and 5d that are formed at the rear edge, and are bolted and fixed to the front pillar 7, and the flange portion 5b is bolted and fixed to the apron member 8. Yes.

  The hood 2 has a structure in which outer rim portions are coupled to each other so as to form a hollow shape between the hood outer 2b and the hood inner 2c.

  The hood 2 is disposed so as to cover the flange portions 5b of the left and right fender panels 5 from above. The hood 2 is formed so as to be substantially horizontal when viewed from the side of the vehicle, and the left and right edge portions 2a and 2a of the hood 2 are curved downward so as to form a substantially continuous surface with the fender panel 5. Is formed.

  Under the left and right cover members 6, hood hinges 13 and 13 for supporting the hood 2 so as to be rotatable in the vertical direction are arranged. The hood hinge 13 has a structure in which a hinge bracket 13a bolted and fixed to the left and right apron members 8 and a hinge arm 13b bolted and fixed to the hood inner 2c of the hood 2 are connected by a hinge pin 13c. (See FIG. 7).

  The cowl louver 4 is formed so as to form a continuous surface with the hood 2, and has a cowl body 4a having a design surface, and a stepped portion formed in a stepped shape at the left and right edges in the vehicle width direction of the cowl body 4a. 4b and a shielding wall 4c extending downward following the stepped portion 4b. The shielding wall 4c prevents the air in the engine compartment from entering the cowl louver 4 and entering the vehicle compartment.

  The cowl body 4a is disposed so as to cover the lower edge 3a of the windshield 3. The cowl body 4a has a mounting hole 4d for a washer nozzle (not shown) for injecting cleaning liquid onto the windshield 3, pivot shaft insertion holes 4e and 4e for a wiper unit (not shown), and air for introducing air into the room. The outside air introduction hole 4f is formed.

  The left and right cover members 6 are continuous with the fender panel 5, the hood 2, and the cowl louver 4 and have an outer member 15 formed so as to cover the lower edge 3 a of the windshield 3, and a vehicle body structural member And the inner member 16 having a pair of front and rear mounting portions 16a and 16b before being attached to the fender panel 5 and the apron member 8.

  The outer member 15 includes an outer cover portion 15a having a design surface, four engagement hole portions (engagement portions) 15b formed so as to protrude downward on the lower surface of the outer cover portion 15a, and an inner edge portion in the vehicle width direction. It has a pair of front and rear claw portions 15c formed so as to protrude downward, and one positioning projection 15d formed so as to protrude downward between both claw portions 15c. Each of the engagement holes 15b is arranged so as to be distributed to the front, rear, left, and right of the central portion of the outer member 15 in the vehicle width direction.

  The stepped portion 4b of the cowl louver 4 is formed with three engagement holes (engagement portions) 4g in the front-rear direction. The outer member 15 is coupled to the cowl louver 4 by engaging the front and rear claw portions 15c and the positioning projections 15d with the engagement holes 4g (see FIGS. 8 and 10).

  The inner member 16 includes an upper wall portion 16c extending in the front-rear direction along the lower surface of the outer member 15, four recessed portions 16d formed to bulge downward on the upper wall portion 16c, and the respective recessed portions 16d. A claw portion 16e formed in a notch so as to be elastically deformable, a bottomed cylindrical leg portion 16f formed so as to extend downward in the center portion in the front-rear direction of the upper wall portion 16c, and the upper wall portion 16c. And an extension portion 16g extending in a slanting manner following the front edge.

  Each claw portion 16e is formed at a position corresponding to each engagement hole portion 15b of the outer member 15. And the outer member 15 is couple | bonded with the inner member 16 by nail-fitting each engaging hole part 15b and the nail | claw part 16e of the inner member 16 (refer FIG. 9).

  A pair of ribs 16i, 16i before and after coming into contact with the outer member 15 are formed on the upper surface of the upper wall portion 16c so as to protrude. A step portion 16j that is in contact with is bent upward.

  Further, a pair of front and rear positioning holes 16k, 16k are formed in the upper wall portion 16c, and positioning pins 15f, 15f formed in the outer member 15 are inserted into the positioning holes 16k ( (See FIGS. 9 and 11).

  The front end portion of the extension portion 16g is in contact with the flange portion 5b of the fender panel 5, and the front end portion is a front mounting portion 16a. The bottom wall of the leg portion 16f is in contact with the upper surface of the apron member 8, and the bottom wall serves as a rear mounting portion 16b. The inner member 15 is attached to the fender panel 5 and the apron member 8 by fitting the clips 18 and 18 attached to the front and rear attachment portions 16a and 16b to the flange portion 5b and the apron member 8, respectively. (See FIGS. 7, 12, and 13).

  The front and rear attachment portions 16a and 16b of the inner member 16 have a straight line S connecting the front and rear attachment portions 16a and 16b substantially parallel to a parting line A between the outer member 15 and the cowl louver 4, and It arrange | positions so that it may be located in the vehicle width direction center part of the outer member 15 (refer FIG.1, FIG.6, FIG.12). The parting line A is substantially parallel to the vehicle body center line C extending in the front-rear direction at the center in the vehicle width direction of the vehicle.

  According to the present embodiment, the left and right cover members 6 are connected to the fender panel 5, the hood 2, and the cowl louver 4, the outer member 15 formed so as to be continuous with the fender panel 5, the fender panel 5 and the apron that are vehicle body structural members. Since the inner member 16 is attached to the member 8, the height gap H (see FIG. 12) between the cover member 6 and the fender panel 5 is large, and the outer member 15 and the inner member 16 are complicated. Even if it is a simple structure, manufacture becomes easy.

  In the present embodiment, the straight line S connecting the front and rear attachment portions 16 a and 16 b of the inner member 16 is substantially parallel to the parting line A between the outer member 15 and the cowl louver 4, and the outer member 15 Since it is arranged so as to be positioned at the center in the vehicle width direction, when loads F1 and F2 are applied to the cowl louver 4 or the cover member 6 from above by the fall of the colliding object, the inner member 16 is attached to the front and rear via the outer member 15. The loads F1 and F2 are absorbed by being displaced in the vehicle width direction starting from the portions 16a and 16b, and the impact absorbing function of the cowl louver 4 and the cover member 6 can be enhanced. Specifically, when a load F1 is applied to the cowl louver 4, the inner member 16 is displaced inward in the vehicle width direction due to the deformation of the cowl louver 4, and accordingly, the outer member 15 is pulled and moved inward, thereby causing an impact force. Is absorbed.

  In the present embodiment, the outer member 15 and the inner member 16 are coupled by engaging the claws 16e formed on the inner member 16 with the respective engaging hole portions 15b formed on the outer member 15. Since each of the claw portions 15c formed on the outer member 15 is engaged with the engagement hole 4g formed on the cowl louver 4 so that the outer member 15 is coupled to the cowl louver 4, the cowl louver 4 or the outer member 15 is When the loads F1 and F2 are applied, the outer member 15 becomes easy to drop off due to the disengagement of the claws with the displacement of the inner member 16 in the vehicle width direction, and the impact force absorbing function can be further enhanced.

  Further, the inner member 16 is formed with respective concave portions 16d that bulge downward from the upper wall portion 16c and leg portions 16f that extend in a cylindrical shape downward, and the concave portions 16d and the leg portions 16f are opened upward in a cross section. Since the hat-shaped one is applied, when the loads F1 and F2 are applied, the concave portion 16d and the leg portion 16f open and deform, and the impact force absorbing function can be enhanced from this point.

It is a top view of a cowl part of a car by one embodiment of the present invention. It is a front view of the cowl part. It is a side view of the cowl part. It is a perspective view of the outer member of the cover member which comprises the said cowl part. It is a bottom view of the outer member. It is a top view of the inner member of the said cover member. It is sectional drawing (VII-VII sectional view taken on the line of FIG. 1) of the said cover member. It is sectional drawing (the VIII-VIII sectional view taken on the line of FIG. 6) of the said cover member. It is sectional drawing (the IX-IX sectional view taken on the line of FIG. 6) of the said cover member. It is sectional drawing (XX sectional drawing of FIG. 6) of the said cover member. It is the said cover member sectional drawing (XI-XI sectional view taken on the line of FIG. 6). FIG. 7 is a cross-sectional view of the cover member (a cross-sectional view taken along line XII-XII in FIG. 6). It is sectional drawing (XIII-XIII sectional view taken on the line of FIG. 6) of the said cover member.

Explanation of symbols

1 cowl part 2 hood 3 windshield 4 cowl louver 4g engagement hole (engagement part)
5 Fender panel (body structural member)
6 Cover member 8 Apron member (body structure member)
15 Outer member 15b Engagement hole (engagement part)
15c Claw part 16 Inner member 16a Front attachment part 16b Rear attachment part 16e Claw part A Parting line C Car body center line S Straight line

Claims (2)

A cowl louver disposed so as to cover between the hood and the windshield, a fender panel disposed outside the cowl louver and the hood in the vehicle width direction, the fender panel, the hood, the windshield, and the cowl louver. A cowl structure of an automobile provided with a cover member disposed so as to cover the enclosed gap,
The cover member is composed of an outer member having a design surface formed so as to form a substantially continuous surface with the fender panel, the hood, and the cowl louver, and an inner member having a plurality of attachment portions attached to the vehicle body structural member,
Each of the attachment portions of the inner member has a straight line connecting the attachment portions substantially parallel to a parting line between the outer member and the cowl louver or a vehicle body center line extending in the vehicle front-rear direction, and a middle portion in the vehicle width direction of the outer member A cowl structure for an automobile, which is arranged to be located in The cowl structure of an automobile according to claim 1,
The outer member and the inner member are combined by engaging a claw portion formed on one side with an engagement portion formed on the other side,
The outer member and the cowl louver are coupled to each other by engaging a claw portion formed on one side with an engaging portion formed on the other side.

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