JP2006044613A - Vehicle body front structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicle body front structure capable of reducing an arrangement space for an external air introduction part, cost and weight. <P>SOLUTION: In the structure, a ventilation hole 28 communicated with an air conditioner at the inner side of a cabin is provided on a partition wall 14 for partitioning the inside of the cabin 12 of the vehicle and the outside of the cabin 12 at the front side and a box-like external air introduction part 35 for taking-in the external air while separating rain water is arranged at a front side of the partition wall 14 to be communicated with the ventilation hole 28. A wiper mechanism part 59 for driving a wiper arm 58 and the external air introduction part 35 are provided in parallel so as to be separated in a vehicle width direction. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a vehicle body front part structure including a portion for introducing outside air into an air conditioner.

Some vehicles take outside air into the air conditioner in the passenger compartment from the front of the passenger compartment, and at that time, it is necessary to separate rainwater from the outside air. For this reason, for example, a box-shaped outside air introduction part including a dash upper panel arranged almost over the entire vehicle width direction is arranged on the front side of the passenger compartment, and rainwater is separated from the outside air by this outside air introduction part. There is one that takes air into the passenger compartment through a communication hole formed in the upper panel (see, for example, Patent Document 1). And in the conventional vehicle, the wiper mechanism part which drives a wiper is arrange | positioned in this external air introduction part.
JP-A-6-278655

  If the wiper mechanism is provided in the outside air introduction part as described above, the flow passage cross-sectional area of the outside air introduction part is narrowed by the wiper mechanism part, and the air flow of the outside air introduction part is hindered by the wiper mechanism part. Become. Therefore, in order to secure the flow path cross-sectional area of the outside air introduction portion, the outside air introduction portion has to be enlarged, and there is a problem that the arrangement space, cost, and weight for the outside air introduction portion increase.

  In addition, if the wiper mechanism is provided in the outside air introduction part, rainwater may be scattered in the outside air introduction part due to the operation of the wiper mechanism part and get into the vehicle interior due to the introduction wind. It is necessary to take measures such as standing up, attaching waterproof boots, and keeping the wiper mechanism away from the air vent on the passenger compartment side. If the wiper mechanism is moved away from the air vent on the passenger compartment side, the outside air introduction section will become large, increasing the installation space, cost, and weight. In addition, when installing a water stop plate or attaching waterproof boots However, there is a problem that the cost and weight increase.

  Accordingly, an object of the present invention is to provide a vehicle body front portion structure that can reduce the arrangement space, cost, and weight for the outside air introduction portion.

  In order to achieve the above object, a first aspect of the invention relates to a partition wall (for example, a dashboard lower panel 14 in the embodiment) that separates the interior of the vehicle compartment (for example, the compartment 12 in the embodiment) from the outside of the front compartment. Is provided with a vent hole (for example, the vent hole 28 in the embodiment) that communicates with the air conditioner on the vehicle interior side (for example, the air conditioner 29 in the embodiment), and a box-shaped outside air introduction unit (for example, an implementation) that takes in outside air while separating rainwater. An external air introduction part 35) in the form is disposed on the front side of the partition wall and communicates with the ventilation hole, and is a wiper mechanism part (for example, implementation) for driving a wiper (for example, the wiper arm 58 in the embodiment). In the embodiment, the wiper mechanism 59) and the outside air introduction part are separated from each other in the vehicle width direction and arranged side by side.

  The invention according to claim 2 is the invention according to claim 1, wherein the connecting member (for example, the strut tower bar 32 in the embodiment) that connects the left and right sides of the vehicle body and extends in the vehicle width direction is connected to the outside air introduction portion and the wiper mechanism portion. The outside air introduction part and the wiper mechanism part are fixed to the connecting member.

  The invention according to claim 3 is the invention according to claim 2, wherein the connecting member is a strut tower bar that connects the left and right damper housings (for example, the damper housing 31 in the embodiment) of the vehicle body.

  The invention according to claim 4 is the invention according to any one of claims 1 to 3, wherein the connecting member is a seal (for example, implementation) between the bonnet hood (for example, the bonnet hood 46 in the embodiment) and the rear lower surface. It is characterized by holding the bonnet seal 88) in the form.

  The invention according to claim 5 is characterized in that, in the invention according to any one of claims 1 to 4, the outside air introduction part is formed of a resin separately from the partition wall.

  According to the first aspect of the present invention, the wiper mechanism that drives the wiper and the box-shaped outside air introduction portion that takes in outside air while separating rainwater are separated in the vehicle width direction and arranged side by side. The flow passage cross-sectional area of the outside air introduction portion is not narrowed by the wiper mechanism portion as in the case where the wiper mechanism portion is provided in the introduction portion, and therefore it is not necessary to increase the size of the outside air introduction portion. In addition, as in the case where a wiper mechanism is provided in the outside air introduction part, rainwater does not scatter in the outside air introduction part due to the operation of the wiper mechanism part and enter the vehicle interior through the introduction wind. Measures such as standing up, attaching waterproof boots, and moving the wiper mechanism away from the air vent on the passenger compartment side are not required, so the outside air introduction part does not increase in size and the waterproof parts are also minimal It will be enough. Therefore, the arrangement space, cost, and weight for the outside air introduction part can be reduced.

  According to the invention of claim 2, the outside air introduction portion and the wiper mechanism portion are fixed to the connecting member that connects the left and right sides of the vehicle body disposed on the front side of the outside air introduction portion and the wiper mechanism portion and extends in the vehicle width direction. Therefore, the outside air introduction part and the wiper mechanism part can be firmly fixed.

  According to the invention of claim 3, since the connecting member is a strut tower bar that connects the left and right damper housings of the vehicle body, the connecting member and the strut tower bar can be used together, and the number of parts, cost, and weight can be reduced. it can.

  According to the invention which concerns on Claim 4, since a connection member hold | maintains the seal | sticker between the rear-part lower surfaces of a bonnet hood, a bonnet hood and an engine room can be sealed reliably.

  According to the invention which concerns on Claim 5, since the external air introducing | transducing part is formed from resin separately from the partition, weight reduction can be achieved and shaping | molding becomes easy and cost can be reduced. In addition, when the outside air introduction portion is crushed at the time of a collision, it is possible to absorb the impact and increase the collision stroke.

  A vehicle body front structure according to an embodiment of the present invention will be described below with reference to the drawings. In addition, before and after in the following description is before and after the vehicle body.

  As shown in FIGS. 1 and 2, a dashboard lower panel (partition wall) is provided in the vicinity of the lower end of the front windshield 11 of the vehicle body 10 to divide the interior of the vehicle compartment 12 from the engine compartment 13 outside the compartment 12 in front of the vehicle compartment. 14 and a windshield lower panel 15 are provided.

  The dashboard lower panel 14 is provided substantially perpendicularly to the front-rear direction, and a main plate portion 21 that divides the vehicle compartment 12 and the engine room 13, and a flange that is bent so as to protrude rearward from the upper end edge of the main plate portion 21. The windshield lower panel 15 is joined to the upper side of the flange portion 22 at the flange portion 25. The lower end edge portion of the front windshield 11 is disposed on the upper side of the extending plate portion 26 extending forward from the flange portion 25 of the windshield lower panel 15.

  A vent hole 28 communicating with the inside of the passenger compartment 12 is formed in the upper portion of the main plate portion 21 of the dashboard lower panel 14, and the air vent 28 is provided inside the passenger compartment 12. 29 is communicated. Here, as shown in FIG. 3, the vent hole 28 is formed so as to be biased toward one side in the vehicle width direction, specifically, to the right side.

  On the other hand, damper housings 31 are formed on the engine room 13 side of the vehicle body 10 so as to be separated from each other in the left-right direction. Strut tower bars (connection members) 32 extending in the vehicle width direction are provided in these damper housings 31. The housing 31 is fixed so as to connect the left and right sides of the vehicle body.

  Here, the strut tower bar 32 is disposed in front of the dashboard lower panel 14 and separated from the dashboard lower panel 14, and is located in front of the dashboard lower panel 14 and between the dashboard lower panel 14 and the strut tower bar 32. In this position, a box-shaped outside air introduction portion 35 that takes in outside air while separating rainwater is disposed on one side, specifically, on the right side in the vehicle width direction.

  As shown in FIG. 1, the outside air introduction portion 35 has a communication hole 36 formed at the rear end thereof, and the front surface of the dashboard lower panel 14 in a state where the communication hole 36 is aligned with the ventilation hole 28 of the dashboard lower panel 14. Attached to. That is, the inside of the outside air introducing portion 35 is communicated with the vent hole 28 of the dashboard lower panel 14. As shown in FIG. 3, a connecting piece portion 38 is formed in the outside air introduction portion 35, and a bolt 39 is inserted into an unillustrated insertion hole in the connecting piece portion 38 and is inserted into an unillustrated insertion hole in the dashboard lower panel 14. The connecting piece 38 is fixed to the dashboard lower panel 14 by being screwed into a weld nut (not shown) on the rear surface of the dashboard lower panel 14. Thereby, the outside air introduction part 35 is attached to the dashboard lower panel 14.

  An outside air intake 45 is formed in the outside air introduction portion 35 so as to rise forward in a position shifted to the center side in the vehicle width direction from the communication hole 36 at the front end, and this outside air intake 45 is shown in FIG. As described above, the front windshield 11 and the windshield lower panel 15 are disposed on the front side and below the rear end of the hood hood 46 in the closed state.

  In the ceiling portion 48 of the outside air introduction portion 35, rainwater that protrudes rearward and enters from the outside air inlet 45 at a position between the outside air inlet 45 and the communicating hole 36 in the front-rear direction reaches the communicating hole 36. A protruding wall portion 49 is formed for prevention.

  The outside air introduction portion 35 has a front wall portion 50 inclined downward and extending to a position below the communication hole 36 and connected to the bottom portion 51. Although not shown, the bottom 51 is inclined so that the outside in the vehicle width direction is lowered to guide rainwater, and a discharge port (not shown) for discharging rainwater to the lowermost position is an end portion in the vehicle width direction outside. Is formed.

  As shown in FIG. 3, the outside air introduction part 35 is formed with a plurality of front connection piece parts 53 projecting forward from the front wall part 50 and spaced apart in the vehicle width direction. The one piece 53 is fixed to the lower part of the strut tower bar 32 disposed on the front side of the outside air introduction part 35 with bolts 54 shown in FIG. That is, each front connection piece 53 is formed with an insertion hole 55, and the bolt 54 is inserted into the insertion hole 55 from below and screwed into the screw hole 56 at the bottom of the strut tower bar 32. The connecting piece portion 53, that is, the outside air introduction portion 35 is fixed to the strut tower bar 32. Therefore, the outside air introduction part 35 is connected to the dashboard lower panel 14 and the strut tower bar 32.

  In addition, the external air introducing | transducing part 35 is made into the different body from the dashboard lower panel 14 as mentioned above, and is formed from the synthetic resin.

  A wiper mechanism 59 for driving a wiper arm (wiper) 58 is provided at a position between the dashboard lower panel 14 and the strut tower bar 32 on the front side of the dashboard lower panel 14 as shown in FIG. However, it is arranged on the opposite side to the outside air introduction part 35 in the vehicle width direction, specifically on the left side.

  That is, a wiper mechanism 59 that drives the wiper arm 58 and a box-shaped outside air introduction portion 35 that takes in outside air while separating rainwater are separated from each other in the vehicle width direction. Here, since this vehicle is a left-hand drive vehicle, the air conditioner 29 is mainly provided on the passenger seat side, that is, the right side, and the wiper arm 58 also needs to wipe the driver seat side, that is, the left side widely. A wiper mechanism portion 59 is provided, and an outside air introduction portion 35 is provided on the passenger seat side.

  The wiper mechanism portion 59 is provided on the base portion 62 and a base portion 62 attached to the front surface of the dashboard lower panel 14 at a rear connecting piece portion 61 that protrudes rearward and is formed in a plurality of positions in the vehicle width direction. The wiper motor 63, the link 64 that is driven and swung by the wiper motor 63, and the left and right that are rotatably supported by the base 62 and connected to both ends of the link 64 to rotate by the swing of the link 64. Two pivot shafts 65 are provided, and a wiper arm 58 is attached to each pivot shaft 65. Here, each rear connecting piece 61 is formed with an insertion hole 67 shown in FIG. 2, and a bolt 68 is inserted into the insertion hole 67 from the front and inserted into the insertion hole 69 of the dashboard lower panel 14. The rear connecting piece 61, that is, the wiper mechanism portion 59 is fixed to the dashboard lower panel 14 by being screwed into the weld nut 70 on the rear surface of the lower panel 14.

  As shown in FIG. 3, a plurality of, specifically, two front connection pieces 73 projecting forward also are formed on the base 62 of the wiper mechanism portion 59 in the vehicle width direction. Is fixed to the lower part of the strut tower bar 32 disposed on the front side of the wiper mechanism 59 with bolts 74 shown in FIG. That is, an insertion hole 75 is formed in the front connection piece 73, and the bolt 74 is inserted into the insertion hole 75 from below and is screwed into the screw hole 76 at the lower part of the strut tower bar 32, thereby connecting the front connection. One portion 73, that is, the wiper mechanism portion 59 is fixed to the strut tower bar 32. Therefore, the wiper mechanism 59 is also connected to the dashboard lower panel 14 and the strut tower bar 32.

  A cowl top 80 extending in the vehicle width direction is provided so as to cover the outside air introduction part 35 and the wiper mechanism part 59 on the upper side, and the cowl top 80 has an outside air inlet 45 of the outside air introduction part 35 shown in FIG. A communication port 81 that communicates with the pivot shaft 65 and an insertion hole 82 through which the pivot shaft 65 shown in FIG. 2 is inserted are formed. Note that. The communication port 81 is provided at a position where the upper side is covered with the rear end portion of the hood hood 46 in the closed state.

  As shown in FIG. 4, the cowl top 80 is fixed to the strut tower bar 32 with a clip 84. That is, a plurality of insertion holes 85 are formed on the front edge side of the cowl top 80 at intervals in the vehicle width direction, and the clip 84 is inserted into the insertion hole 85 so as to be fitted in the upper portion of the strut tower bar 32. The cowl top 80 is fixed to the strut tower bar 32 as shown in FIGS.

  A bonnet seal (seal) 88 extending in the vehicle width direction behind the insertion hole 85 is disposed on the upper surface of the cowl top 80, and the bonnet seal 88 is disposed on the lower surface of the rear portion of the hood hood 46 in a closed state. The gap between the cowl top 80 and the hood hood 46 is sealed by contact. Here, since the cowl top 80 is fixed to the strut tower bar 32, the strut tower bar 32 holds the hood seal 88 between the hood hood 46 and the rear lower surface of the hood 46 via the cowl top 80.

  When the outside air is taken in, the outside air passes through the communication port 81 of the cowl top 80 on the lower side of the hood hood 46 and is introduced into the outside air introduction portion 35 through the outside air introduction port 45. The outside air introduction part 35 may enter. Rain water is discharged to the outside of the vehicle through the front wall 50 and the bottom 51 of the outside air introduction portion 35, and the direction is changed to the front wall 50 and the bottom 51 by the projecting wall 49 so that the front wall 50 and It travels through the bottom 51 and is discharged outside the vehicle. The outside air from which rainwater has been separated in this way reaches the interior of the passenger compartment 12 from the communication hole 36 through the vent hole 28 of the dashboard lower panel 14 and is guided to the air conditioner 29.

  According to the present embodiment described above, the wiper mechanism 59 that drives the wiper arm 58 and the box-shaped outside air introduction portion 35 that takes in outside air while separating rainwater are separated in the vehicle width direction and arranged side by side. Therefore, the flow passage cross-sectional area of the outside air introduction portion 35 is not narrowed by the wiper mechanism portion 59 as in the case where the wiper mechanism portion 59 is disposed in the outside air introduction portion 35. Therefore, the outside air introduction portion 35 is made large. There is no need to make it. Further, as in the case where the wiper mechanism portion 59 is provided in the outside air introduction portion 35, rainwater is scattered in the outside air introduction portion 35 by the operation of the wiper mechanism portion 59 and gets into the vehicle compartment 12 on the introduced wind. Therefore, it is not necessary to take measures such as setting up a water stop plate, attaching waterproof boots, or moving the wiper mechanism 59 away from the air vent on the vehicle compartment 12 side, and the outside air introduction part 35 is increased in size. There will be no need for waterproof parts. Therefore, the arrangement space, cost and weight for the outside air introduction part 35 can be reduced.

  Further, the outside air introduction part 35 and the wiper mechanism part 59 are connected to the strut tower bar 32 which is disposed in front of the outside air introduction part 35 and the wiper mechanism part 59 and connects the damper housings 31 on the left and right of the vehicle body and extends in the vehicle width direction. Since these are fixed firmly, the strut tower bar 32 can be used also as a member for fixing the outside air introduction part 35 and the wiper mechanism part 59, and the number of parts, cost and weight can be reduced.

  Since the strut tower bar 32 holds the seal between the lower surface of the rear portion of the hood hood 46, the hood hood 46 and the engine room 13 can be reliably sealed.

  In addition, since the outside air introduction part 35 is formed of resin separately from the dashboard lower panel 14, the weight can be reduced, the molding can be facilitated, and the cost can be reduced. In addition, when the outside air introduction part 35 is crushed during a collision, the shock can be absorbed and the collision stroke can be increased.

It is a sectional side view on the right side in the vehicle width direction showing a vehicle body front part structure of one embodiment of the present invention. 1 is a side sectional view on the left side in a vehicle width direction showing a vehicle body front structure according to an embodiment of the present invention. It is a perspective view showing roughly the body front part structure of one embodiment of the present invention. It is a disassembled perspective view which shows the attachment structure to the strut tower bar of the cowl top in the vehicle body front part structure of one Embodiment of this invention.

Explanation of symbols

12 Car compartment 14 Dashboard lower panel (partition wall)
28 Ventilation holes 29 Air conditioner 31 Damper housing 32 Strut tower bar (connection member)
35 Outside air introduction part 46 Bonnet hood 58 Wiper arm (wiper)
59 Wiper mechanism 88 Bonnet seal (seal)

Claims (5)

A partition that separates the interior of the vehicle from the outside of the interior of the vehicle is provided with a vent hole that communicates with the air conditioner inside the interior of the vehicle, and a box-shaped outside air introduction part that takes in outside air while separating rainwater is disposed on the front side of the partition A vehicle body front structure communicating with the vent hole,
A front structure of a vehicle body characterized in that a wiper mechanism for driving a wiper and the outside air introduction section are separated from each other in the vehicle width direction.   A connecting member that connects the left and right sides of the vehicle body and extends in the vehicle width direction is disposed on the front side of the outside air introducing portion and the wiper mechanism portion, and the outside air introducing portion and the wiper mechanism portion are fixed to the connecting member. The vehicle body front part structure according to claim 1.   The vehicle body front structure according to claim 2, wherein the connecting member is a strut tower bar that connects left and right damper housings of the vehicle body.   The vehicle body front part structure according to any one of claims 1 to 3, wherein the connecting member holds a seal between the lower surface of the rear part of the hood and the hood. The vehicle body front part structure according to any one of claims 1 to 4, wherein the outside air introduction part is formed of a resin separately from the partition wall.

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