JP2009006820A - Vehicle body structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle body structure capable of suppressing ingress of water flowing on a cover body through an opening part. <P>SOLUTION: The vehicle body structure has an actuator 71 for jumping up a hood 30 to cover an engine room ER in an opening/closing manner from an upper side and a cover body 40 which is arranged between the hood 30 and the actuator 71 and has an opening part 43a for allowing a movable part 71a of the actuator 71 to be passed through. A draining structure 43 for draining water from a periphery of the opening part 43a is provided on the cover body 40. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a vehicle body structure.

  2. Description of the Related Art Conventionally, as a vehicle body structure, an actuator in which an actuator that jumps up a hood at the time of a vehicle collision or the like is provided on a side wall of a vehicle body skeleton member such as a hood ridge panel or a dash panel behind an engine room is known (for example, see Patent Document 1). ).

A cover body that covers the rear of the engine room is usually provided behind the engine room of the automobile so that water or the like does not flow into the engine room. When provided behind the engine room, it is common to provide an opening through which the actuator is inserted at the time of a vehicle collision or the like in a portion of the cover body where the actuator is provided.
JP 2006-298269 A

  However, in the above conventional technique, since the opening is provided in the cover body, water easily enters the engine room from the opening. As a result, there is a possibility that the water that has entered from the opening wets the electronic devices and the like disposed in the engine room.

  Then, an object of this invention is to obtain the vehicle body structure which can suppress that the water which flows through a cover body permeates from an opening part.

  The present invention relates to an actuator that flips up a hood that covers an engine room so that the engine room can be opened and closed from above, and a cover body that is disposed between the hood and the actuator and has an opening through which a movable part of the actuator is inserted. And the cover body is provided with a drainage structure for removing water from the periphery of the opening.

  According to the present invention, by providing the cover body with a drainage structure that excludes water from the periphery of the opening, water flowing around the opening of the cover body is prevented from entering from the opening. Can do.

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

  FIG. 1 is a perspective view showing an outline of a vehicle according to the present embodiment, FIG. 2 is a perspective view showing a vehicle body structure with a hood removed, and FIG. 3 is an enlarged perspective view showing the vicinity of the actuator of FIG. 4 is an enlarged perspective view corresponding to FIG. 3 in a state where the hood is closed, and FIG. 5 is an enlarged cross-sectional view corresponding to FIG. 3 in a state where the hood is closed.

  In the present embodiment, an engine room ER that opens upward and houses an engine (not shown) or the like is formed in front of the vehicle 1, and an upper opening of the engine room ER is formed. A hood 30 is provided so as to be opened and closed. And the side edge part of the rear part of the hood 30 is attached to the vehicle body via a hood hinge bracket 31. By rotating the hood 30 around the rotation axis of the hood hinge bracket 31, It is possible to switch between a closed state and an open state. Reference numeral 2 denotes a window shield.

  The engine room ER is defined by a hood ridge panel 13 whose both side portions extend in the vehicle width direction, and a rear end portion is partitioned from a vehicle compartment outside the figure by a dash panel 4 extending in the vehicle front-rear direction. . A front fender 20 is provided outside the hood ridge panel 13 in the vehicle width direction.

  At the upper end of the hood ridge panel 13 is formed a hood ridge support (a vehicle body skeleton member extending in the vehicle front-rear direction along the side edge of the engine room ER) when the hood 30 is closed. Has been. Specifically, as shown in FIG. 5, the hood ridge reinforcement 12 that extends in the vehicle front-rear direction and is substantially U-shaped in a cross-sectional view is joined to the vehicle width direction outside of the upper end of the hood ridge panel 13. A hood ridge support 10 having a closed cross-sectional structure and extending in the vehicle front-rear direction is formed.

  In the present embodiment, a hood flip-up device 70 is provided to raise the hood 30 when a load is input to the front end portion of the vehicle 1 at the time of a vehicle collision or the like. As shown in FIG. An actuator 71 as a flip-up device 70 is a bracket 72, which is in the vehicle width direction of the hood ridge panel 13, which is a side wall on the inner side in the vehicle width direction of the vehicle body skeleton member. It is attached inside.

  Further, the upper surface of the front portion of the hood ridge support 10 seals a gap formed between the upper surface of the hood ridge support 10 and the back surface of the hood 30 when the hood 30 is closed. A hood ridge seal 11 is provided to absorb the impact.

  The lower edge of the hood ridge panel 13 is connected to a pair of front side members 3 extending in the vehicle front-rear direction. A strut tower housing 6 projects from the side of the hood ridge panel 13 toward the engine room ER.

  Further, a cowl box extending in the vehicle width direction along the rear edge of the engine room ER is provided behind the engine room ER.

  In the present embodiment, the cowl box includes a dash panel 4, a cowl front panel 5 whose rear end is joined to the dash panel 4 and extends in front of the dash panel 4 along the vehicle width direction, a hood 30, and an actuator 71. And a cover body that covers the upper opening formed by the dash panel 4 and the cowl front panel 5.

  The cowl front panel 5 has a rear end joined to the dash panel 4 and a bottom wall that divides the engine room ER and the space inside the cowl box in a substantially vertical direction, and is joined to the front end of the bottom wall. -It has the vertical wall which partitions R and the space in a cowl box in the front-back direction.

  Further, in the present embodiment, the cowl front panel 5 has a shape in which both side ends are extended obliquely forward toward the strut tower housing 6, and both side ends of the cowl front panel 5 are respectively left and right. Connected to the strut tower housing 6.

  Then, as shown in FIG. 2, an electrical component (ECU) 7 such as a fuse box or a relay box or a battery 8 is accommodated in a space extended forward, so that the electrical compartment 7 and the battery 8 have an engine room. The heat in ER is prevented from being transmitted.

  The actuator 71 described above is attached to the hood ridge panel 13 behind the electrical component (ECU) 7. That is, in this embodiment, the actuator 71 is also accommodated in the cowl box.

  The cover body forms an upper wall of the cowl box, and covers a cowl cover 40 extending in the vehicle width direction and a space extending forward from which the electrical component 7 and the battery 8 are accommodated. A front cover 42.

  At the front end of the upper surface of the cowl cover 40, a seal member 41 that is in contact with the rear surface of the hood 30 with the hood 30 closed and is sandwiched between the upper surface of the cowl cover 40 and the rear surface of the hood 30 extends in the vehicle width direction. ing. In the state where the hood 30 is closed, the seal member 41 prevents the engine room E and R from being defined inside and outside and prevents water and the like from flowing into the engine room E and R. Further, the upper surface of the cowl cover 40 is inclined so that both ends in the vehicle width direction are positioned below the substantially central portion, and water on the upper surface of the cowl cover 40 is drained from both ends in the vehicle width direction.

  In the present embodiment, the end portion in the vehicle width direction of the cowl cover 40 extends to the hood ridge panel 13 so as to cover the actuator 71, and the actuator 71 is movable at a portion corresponding to the actuator 71 of the cowl cover 40. An opening 43a is formed through which the telescopic rod 71a as a part is inserted. A peripheral wall 43b is provided around the opening 43a so as to project upward.

  Further, the cowl cover 40 is formed with a recess 43 in which the end of the cowl cover 40 in the vehicle width direction is recessed. And the water of the periphery of the opening part 43a is kept away from the opening part 43a by providing the inclination so that the opening part 43a may be located upwards in the vicinity of the surrounding wall part 43b of the recessed part 43 bottom face. That is, in this embodiment, this recessed part 43 is corresponded to the drainage structure which excludes water from the periphery of the opening part 43a. In the present embodiment, the bottom surface of the recess 43 is designed such that the edge of the opening 43a on the outer side in the vehicle width direction is the lowest.

  Further, on the upper surface of the hood ridge support 10, that is, on the upper surface of the hood ridge reinforcement 12, a concave bead portion (second concave portion) 12a as a drainage channel connected to the concave portion 43 is provided so as to extend in the vehicle width direction. .

  In the present embodiment, the concave bead portion 12a is provided on the outer side in the vehicle width direction of the opening 43a and adjacent to the concave portion 43. And the edge part of the vehicle width direction outer side of the opening part 43a which is the lowest site | part of the said recessed part 43 is made to adjoin the vehicle width direction inner side of the concave bead part 12a. Furthermore, the concave bead portion 12a is formed such that the bottom surface of the concave bead portion 12a is lower than the edge of the opening 43a on the outer side in the vehicle width direction.

  A seal member 41 a extending along the vehicle width direction is provided at the front end in the vehicle front-rear direction on the bottom surface of the recess 43. The seal member 41a is sandwiched between the bottom surface of the recess 43 and the back surface of a reinforcing portion cover 51 (described later) attached to the back surface of the hood 30 with the hood 30 closed, and water on the bottom surface of the recess 43 is engine room. Suppresses outflow (water of drainage structure outflow) into ER.

  Further, in the present embodiment, a drainage hole 44 as a second drainage channel is provided on the inner side in the vehicle width direction (upstream side of the drainage structure) of the recess 43 of the cowl cover 40. A drain pipe (not shown) is provided below the drain hole 44, and the water in the cowl cover 40 is drained outside the vehicle by flowing water into the drain pipe from the drain hole 44.

  By adopting such a structure, water such as rain water that has fallen on the cowl cover 40 during rainfall flows from the center in the vehicle width direction toward the end. And as shown by the arrow of FIG. 3, some water which flowed toward the edge part is drained by the drain hole 44 outside a vehicle. Only water that has not been drained by the drain hole 44 flows into the recess 43. At this time, since the bottom surface of the concave portion 43 has the vicinity of the opening portion 43a higher than the other portions, the water flowing into the concave portion 43 is prevented from flowing toward the opening portion 43a. And the water in the recessed part 43 flows to the edge part of the vehicle width direction outer side of the opening part 43a which is the lowest site | part of the recessed part 43, and flows from there to the recessed bead part 12a, and the recessed bead part 12a Is discharged to the outside of the engine room ER.

  By the way, as described above, the hood 30 according to the present embodiment is rotatably attached to the vehicle body via the hood hinge bracket 31. Normally, the hood 30 is centered on the rotation axis of the hood hinge bracket 31. However, when a load is input to the front end of the vehicle 1 such as when a vehicle collides, the hood 30 is flipped up by the hood flip-up device 70.

  The hood flip-up device 70 includes an actuator 71, and the hood 30 is flipped up by extending the telescopic rod 71a of the actuator 71 upward at the time of a vehicle collision or the like. In this embodiment, the reinforcement part 50 is provided in the part which the expansion-contraction rod 71a of the food | hood 30 back contact | abuts, When the hood 30 is opened, this reinforcement part 50 hold | maintains the open state of the said hood 30. One end of the food stay 60 is rotatably supported. The other end of the hood stay 60 is rotatably supported by the hood ridge seal 11.

  The hood hinge bracket 31 is connected to the upper surface of the hood ridge support (vehicle body frame member) 10, and is rotatably supported with respect to the connecting portion 32 and is also attached to the reinforcing portion 50. And.

  In the present embodiment, the connecting portion 32 is attached to the upper surface of the hood ridge support (vehicle body skeleton member) 10 so as to straddle the concave bead portion 12a, and the connecting portion 32 corresponds to the concave bead portion 12a. A convex bent portion 32a is provided.

  The rotating portion 33 is fixed to the link 33a and the link 33b that rotate when the hood is normally opened and closed, the link 33c that is extended from the rotating portion 33, and the link 33c at the normal time. And a link 33d that rotates in the event of a collision and flips up the hood 30. The link 33d is rotatably attached to the reinforcing portion 50 on the back surface of the hood 30.

  The link 33c and the link 33d are fixed to the reinforcing portion 50 so that they cannot rotate with each other by a substantially L-shaped claw (not shown) of the unlocking device 34 having the unlocking knob 34a.

  Furthermore, in this embodiment, the reinforcement part cover 51 which covers the reinforcement part 50 from the back surface side is provided in the back surface side of the food | hood 30. As shown in FIG.

  When the telescopic rod 71a of the actuator 71 rises at the time of a vehicle collision or the like, first, the telescopic rod 71a breaks through the reinforcing portion cover 51 and rotates the lock release knob 34a to release the fixation between the link 33c and the link 33d. To do. The raised telescopic rod 71a further contacts the back surface of the reinforcing portion 50 and presses the back surface of the hood 30. At this time, since the link 33c and the link 33d are not fixed, the link 33d rotates with respect to the link 33c, and the hood 30 is flipped up.

  According to the above embodiment, the water that flows around the opening 43a of the cowl cover 40 is opened by providing the cowl cover 40 with the recess (drainage structure) 43 that excludes water from the periphery of the opening 43a. Intrusion from the portion 43a can be suppressed.

  Furthermore, since the peripheral wall 43b is provided around the opening 43a, even if water flows near the opening 43a, the peripheral wall 43b suppresses the flow of water to the opening 43a, and the opening 43a. It can suppress that it penetrates from.

  Moreover, according to this embodiment, since the recessed part 43 was formed in the periphery of the opening part 43a as a drainage structure, it can suppress that the water which flowed into the recessed part 43 from the cowl cover 40 flows backward.

  Further, according to the present embodiment, the concave bead portion (second concave portion) 12a connected to the concave portion 43 is formed on the upper surface of the hood ridge support 10 that extends in the vehicle front-rear direction along the side edges of the engine room ER. Thus, the water flowing into the recess 43 can be drained to the outside of the engine room ER.

  Further, according to the present embodiment, the actuator 71 is attached to the hood ridge panel 13 which is the side wall in the vehicle width direction of the hood ridge support 10, and the concave bead portion (second concave portion) 12 a is connected to the vehicle width of the concave portion 43. By providing adjacent to the outside in the direction, the distance between the opening 43a and the concave bead portion (second concave portion) 12a can be shortened, and the water near the opening 43a can be quickly drained into the concave bead portion (second concave portion) 12a. Can be drained by draining into

  When the concave bead portion (second concave portion) 12a is provided on the upper surface of the hood ridge support 10, the rigidity of the hood ridge support 10 in the vehicle front-rear direction is reduced. However, according to the present embodiment, the hood 30 is a hood. The hood hinge bracket 31 that is rotatably supported with respect to the ridge support 10 is attached to the upper surface of the hood ridge support 10 so as to straddle the concave bead portion (second concave portion) 12a. Thus, the rigidity of the hood ridge support 10 in the vehicle front-rear direction can be increased.

  Further, according to the present embodiment, the connecting portion 32 of the hood hinge bracket 31 is provided with the convex bent portion 32a corresponding to the concave bead portion (second concave portion) 12a, thereby increasing the opening area of the drainage channel. The water near the opening 43a can be drained more smoothly from the drainage channel.

  Further, according to the present embodiment, the bottom surface of the concave bead portion (second concave portion) 12a is set lower than the edge portion on the outer side in the vehicle width direction of the opening portion 43a that is the lowest portion of the bottom surface of the concave portion 43. Therefore, the water in the vicinity of the opening 43a can flow out more smoothly to the concave bead portion (second concave portion) 12a.

  In addition, according to the present embodiment, the reinforcing portion 50 with which the upper surface of the movable portion 71a of the actuator 71 abuts is provided on the back surface of the hood 30, and the hood that holds the opened state of the hood 30 opened in the reinforcing portion 50. Since the stay 60 is supported, the reinforcing portion 50 of the flip-up device 70 provided on the hood 30 can also serve as the reinforcing portion of the hood stay 60, and a reinforcing material for supporting the hood stay 60 is separately provided. There is no need.

  Further, according to the present embodiment, the reinforcing portion cover 51 that covers the reinforcing portion 50 from the back surface side is provided on the back surface of the hood 30, and the upper portion of the cowl cover 40 is in contact with the reinforcing portion cover 51 with the hood 30 closed. Since the sealing member 41a sandwiched between them is provided, it is possible to prevent the water in the recess (drainage structure) 43 from flowing out of the path, that is, inside the engine room ER.

  In addition, according to the present embodiment, the drain hole (second drainage channel) 44 is provided on the upstream side of the recess (drainage structure) 43 of the cowl cover 40, so that the water in the cowl cover 40 is recessed (drainage structure). ) Since the water can also be drained from the drainage hole (second drainage channel) 44 when heading to 43, the amount of water flowing out from the cowl cover 40 to the recess (drainage structure) 43 can be suppressed. Further, it is possible to further suppress the water flowing around the opening 43a from entering the opening 43a.

  Moreover, according to this embodiment, since the actuator 71 was accommodated in the cowl box, it can suppress that the actuator 71 receives the heat from engine room ER.

  As mentioned above, although preferred embodiment of the vehicle body structure concerning this invention was described, this invention can employ | adopt various embodiment in the range which does not deviate from a summary, without being restricted to the said embodiment.

1 is a perspective view schematically showing a vehicle according to an embodiment of the present invention. The perspective view which shows the vehicle body structure in the state which removed the hood concerning one Embodiment of this invention. The expansion perspective view which shows the actuator vicinity of FIG. The expansion perspective view corresponding to Drawing 3 in the state where the hood was closed. The expanded sectional view corresponding to Drawing 3 in the state where the hood was closed.

Explanation of symbols

10 Hood Ridge Support (Car body frame member)
12a Concave bead part (second concave part)
30 Hood 31 Hood hinge bracket 40 Cowl cover (cover body)
43 Concavity (drainage structure)
43a opening 71 actuator 71a telescopic rod (movable part)

Claims (12)

An actuator that flips up the hood to open and close the engine room from above,
A cover body disposed between the hood and the actuator and having an opening through which the movable part of the actuator is inserted; and
With
A vehicle body structure characterized in that a drainage structure for removing water from the periphery of the opening is provided in the cover body.   The vehicle body structure according to claim 1, wherein a concave portion is formed around the opening as the drainage structure.   3. The vehicle body structure according to claim 1, wherein a drainage channel connected to the drainage structure is formed on an upper surface of a vehicle body skeleton member extending in a vehicle longitudinal direction along a side edge of the engine room. The actuator is attached to the side wall in the vehicle width direction of the vehicle body skeleton member,
The vehicle body structure according to claim 3, wherein the drainage channel is provided adjacent to the outside in the vehicle width direction of the drainage structure.   The vehicle body structure according to claim 3 or 4, wherein the drainage channel is a second recess formed on an upper surface of the vehicle body skeleton member.   A hood hinge bracket that rotatably supports the hood with respect to the vehicle body skeleton member is attached to the upper surface of the vehicle body skeleton member so as to straddle the second recess. 6. The vehicle body structure according to claim 5, wherein a convex bent portion is provided on the second concave portion.   The vehicle body structure according to claim 5 or 6, wherein a bottom surface of the second recess is made lower than the drainage structure. Provided on the back surface of the hood is a reinforcing portion that contacts the upper surface of the movable portion of the actuator,
The vehicle body structure according to any one of claims 1 to 7, wherein a hood stay that holds an open state of the opened hood is supported by the reinforcing portion. While providing a reinforcing part cover that covers the reinforcing part from the back side on the back side of the hood,
A seal member is provided on the upper surface of the cover body so as to prevent the water in the drainage structure from flowing out of the path by being sandwiched between the reinforcing portion cover with the hood closed. The vehicle body structure according to claim 8.   A seal member is provided on the upper surface of the cover body to prevent the water in the drainage structure from flowing out of the path by being sandwiched between the back surface side of the hood with the hood closed. The vehicle body structure according to any one of claims 1 to 8.   The vehicle body structure according to any one of claims 1 to 9, wherein a second drainage channel is provided upstream of the drainage structure of the cover body. The cover body constitutes at least a part of an upper wall of a cowl box extending in the vehicle width direction along the rear edge of the engine room,
The vehicle body structure according to claim 1, wherein the actuator is housed in the cowl box.

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