JP5061869B2 - Vehicle front structure - Google Patents

Description

  The present invention relates to a front structure of a vehicle, and in particular, a vehicle width direction intermediate portion of a bumper reinforcement is retracted from a connecting portion with a pair of front side frames, and the vehicle width is lower than the bumper reinforcement. A foot-wiping member extending in the direction is disposed.

  Generally, in the front structure of a vehicle such as an automobile, the front end of the passenger compartment is partitioned by a dash panel (the passenger compartment and the engine compartment), and a pair of left and right front side frames extend forward from the dash panel. A bumper reinforcement that is long in the vehicle width direction (hereinafter referred to as “bumper rain”) is attached to the front end side of the front side frame of the vehicle, and this bumper rain is covered with a bumper member that forms the front exterior surface of the vehicle (for example, patent References 1-3).

  In many cases, the bumper train is curved slightly in a convex manner on the whole, but including such a bumper train, the bumper train is basically formed so as to extend substantially straight in the vehicle width direction. Also, a pair of crash cans that can absorb a collision load is attached to the front end portions of a pair of front side frames, and a bumper rain is connected to the pair of crash cans.

  Here, the applicant of the present invention forms a recess recessed backward in the center part of the dash panel (dash lower panel) in the vehicle width direction, the rear end of the engine is accommodated in the recess, and the engine is positioned more than the axle position of the front wheel. A vehicle in which an engine is rearwardly arranged in an engine room so as to be located rearward has been put into practical use (see Patent Documents 1 to 3, etc.).

  In the front structure of a vehicle in Patent Documents 1 and 3, an intermediate cross member extending in the vehicle width direction on the rear side of the bumper rain is attached to a pair of front side frames. In the structure in Patent Document 1, a radiator is disposed behind the bumper rain. Is arranged in a forward leaning posture, a battery is disposed above the intermediate cross member, and in the structure of Patent Document 3, a front trunk box is disposed between the bumper rain and the intermediate cross member. In the front structure of the vehicle disclosed in Patent Documents 2 and 3, a radiator is disposed in a vertical posture immediately in front of the engine at a position relatively spaced rearward from the bumper rain, and an air cleaner is disposed in front of the engine and above the radiator. ing.

JP 2003-326981 A JP 2005-28911 A JP 2005-29057 A

  In the conventional front structure of a vehicle, since the bumper rain is formed so as to extend substantially straight in the vehicle width direction, there is a limit in retracting the position of the connection portion between the pair of front side frames of the bumper rain. Therefore, it is limited to retreating the center of gravity of the heavy bumper rain, shortening the front overhang, reducing the yaw moment of inertia of the vehicle, improving the steering stability (handling performance) of the vehicle, etc. There is.

  In vehicles where the engine is placed rearward in the engine compartment so that the engine is located behind the axle position of the front wheels, the yaw moment of inertia is reduced and steering stability is improved. However, the above problem is an obstacle.

  Further, in the conventional front structure of the vehicle, the bumper rain is formed so as to extend substantially straight in the vehicle width direction, and there is a limit in retracting the position of the connecting portion of the bumper rain with the pair of front side frames. The dead space in the front-rear direction may become large in the engine room, and this problem becomes particularly noticeable when the engine is arranged in the engine room so that the engine is located behind the front wheel axle position. There is also a problem that the degree of freedom of design including the shape of the bumper member that forms the front exterior surface of the vehicle is small.

  Therefore, the inventor of the present application is a part of the present invention, but in the front structure of the vehicle, the intermediate portion in the vehicle width direction between the connection portion of the bumper rain with the pair of front side frames is more than the connection portion. When the practical application of the retracted structure was examined, it was noted that there was room for improvement from the viewpoint of pedestrian protection, and the technical improvement was invented.

  The object of the present invention is to retract the center of gravity of a bumper reinforcement that is a heavy object in the front structure of the vehicle, partially shorten the front overhang, reduce the yaw moment of inertia of the vehicle, Improving vehicle handling stability (handling performance), reducing the dead space in the front-rear direction of the engine room, improving the design freedom including the shape of the bumper member that forms the front exterior surface of the vehicle, Further, a foot wiper member for protecting a pedestrian extending in the vehicle width direction is disposed at a lower position than the bumper reinforcement to improve the collision safety by protecting the pedestrian.

The front structure of the vehicle according to claim 1 is attached to a dash panel that partitions the front end of the passenger compartment, a pair of left and right front side frames extending forward from the dash panel, and a front end side of the pair of front side frames. A vehicle front structure comprising a bumper reinforcement that is long in the vehicle width direction and a bumper member that covers the bumper reinforcement, the bumper reinforcement being connected to a pair of front side frames A vehicle width direction intermediate portion that is retracted from the connecting portion between the portions, extends in a vehicle width direction at a position lower than the bumper reinforcement, and projects forward of the vehicle width direction intermediate portion. It is provided with a foot wiping member for protecting a pedestrian disposed.

Since the bumper reinforcement has an intermediate portion in the vehicle width direction that is retracted from the connecting portion between the connecting portions with the pair of front side frames, the center of gravity of the bumper reinforcement that is a heavy load is retracted. The front overhang at the center in the vehicle width direction is shortened, the yaw moment of inertia of the vehicle is reduced, and the steering stability (handling performance) of the vehicle is improved. Since a pedestrian protection member that extends in the vehicle width direction and protrudes in front of the intermediate portion in the vehicle width direction is disposed below the bumper reinforcement, the pedestrian's feet are When hitting the foot wiping member, the pedestrian is scooped up on the bonnet by the foot wiping member, and the bonnet is provided with an impact absorbing function, thereby protecting the pedestrian and improving the collision safety.

The following configuration can be adopted as a dependent claim of claim 1.
The foot wiping member is disposed so as to protrude forward from the foremost end position of the bumper reinforcement (Claim 2). A pair of left and right foot-fitting support members that extend downward and forward from the front portions of the pair of front side frames and support the foot-fitting member are provided (Claim 3). The bumper reinforcement has an intermediate retreat portion that is retreated so as to be located rearward of the front end portion of the front side frame at the intermediate portion in the vehicle width direction.

  The bumper reinforcement has an outer receding portion that is receded so as to be positioned rearward of the connecting portion on the outer side in the vehicle width direction of the connecting portion. A pair of crash cans capable of absorbing a collision load is attached to the front end portions of the pair of front side frames, and a bumper reinforcement is connected to the pair of crash cans (Claim 6). A power train is disposed in front of the dash panel and between the pair of front side frames.

According to the front structure of the vehicle of claim 1, the bumper reinforcement has an intermediate portion in the vehicle width direction that is retracted from the connecting portion between the connecting portions with the pair of front side frames. Even if there is a limit in retreating the position of the connecting part, the center of gravity of the bumper reinforcement, which is a heavy object, can be retreated to shorten the front overhang in the center part in the vehicle width direction, so the yaw inertia of the vehicle Moment can be reduced, vehicle handling stability (handling performance) can be improved, dead space in the front-rear direction of the engine room can be reduced, and design freedom including the shape of the bumper member that forms the front exterior surface of the vehicle the improved, further, pedestrian protection projecting forward of the vehicle width direction intermediate portion extends in the vehicle width direction at a lower position than the bumper reinforcement Since the pedestrian is placed on the hood when the pedestrian's foot hits the foot cleaver when the vehicle collides, the pedestal is crawled up on the bonnet, and the hood has an impact absorbing function. Thus, it is possible to improve collision safety by protecting pedestrians.

  According to the front structure of the vehicle of claim 2, since the foot wiper member is disposed so as to protrude forward from the frontmost end position of the bumper reinforcement, before the pedestrian's foot hits the bumper reinforcement, The function of the foot wiping member can be surely exhibited by hitting the foot wiping member.

  According to the vehicle front part structure of the third aspect, since the pair of left and right foot-fitting support members that extend downward and forward from the front part of the pair of front side frames and support the foot-fitting member are provided, Even when a pair of crash cans is attached to the front end portion of the front side frame and a bumper reinforcement is connected to the pair of crash cans, the foot wiper member can be reliably and stably supported by the above arrangement. it can.

  According to the front structure of the vehicle of the fourth aspect, the bumper reinforcement has an intermediate retreat portion that is retreated so as to be located rearward of the front end portion of the front side frame at the intermediate portion in the vehicle width direction. The position of the center of gravity of the bumper reinforcement is further retracted, shortening the front overhang at the center in the vehicle width direction, reducing the yaw moment of inertia of the vehicle, improving the steering stability of the vehicle, and improving the design freedom of the bumper member Further improvement can be achieved.

  According to the front structure of the vehicle of claim 5, the bumper reinforcement has an outer receding portion that is receded so as to be positioned rearward of the connecting portion at the outer side in the vehicle width direction than the connecting portion. Therefore, the position of the center of gravity of the bumper reinforcement can be further retracted to shorten the front overhang at both ends in the vehicle width direction, reducing the yaw moment of inertia of the vehicle, improving the steering stability of the vehicle, and freedom in designing the bumper members The degree can be further improved.

  According to the front structure of the vehicle of claim 6, a pair of crash cans capable of absorbing a collision load is attached to the front ends of the pair of front side frames, and a bumper reinforcement is connected to the pair of crash cans. Therefore, the impact absorption performance can be improved and the collision safety can be improved.

  According to the front structure of the vehicle of the seventh aspect, since the power train is disposed in front of the dash panel and between the pair of front side frames, the power train has a low center of gravity, and the steering stability of the vehicle is improved. In addition, it is advantageous when the engine is disposed in the rear of the engine room so that the engine is located behind the axle position of the front wheels, thus reducing the yaw moment of inertia and improving the steering stability. It becomes possible to plan further.

  The vehicle front structure of the present invention includes a dash panel that partitions the front end of a vehicle compartment, a pair of left and right front side frames that extend forward from the dash panel, and a vehicle width direction that is attached to the front end side of the pair of front side frames. A bumper reinforcement covering the bumper reinforcement, and the bumper reinforcement is an intermediate portion in the vehicle width direction that is retracted from the connecting portion between the connecting portion with the pair of front side frames. And a foot wiper member for protecting a pedestrian disposed so as to extend in the vehicle width direction at a position below the bumper reinforcement.

  As shown in FIGS. 1 to 4, a vehicle 1 (automobile 1) includes a pair of left and right front wheels 2 and a pair of left and right rear wheels 3, and an engine 5 is mounted in an engine room 4 at the front of the vehicle 1. This is an FR vehicle in which the engine 5 drives the rear wheels 3.

  A front structure 20 of the vehicle 1 includes a dash panel 21 that partitions the front end of the compartment 6 (the compartment 6 and the engine room 4), a pair of left and right front side frames 22 that extend forward from the dash panel 21. A bumper reinforcement 23 (hereinafter referred to as a “bumper rain 23”) that is attached to the front end side of the front side frame 22 and extends in the vehicle width direction on the rear side of the bumper rain 23. A pair of front side frames 22, an intermediate cross member 25, a foot wiper member 26 for protecting a pedestrian disposed so as to extend in a vehicle width direction below the bumper rain 23, and a pair of front sides A pair of left and right foot wiper support members 27 that extend downward and forward from the front portion of the frame 22 to support the foot wiper member 26 are provided. .

  A front end portion of a floor panel 7 that forms the floor of the passenger compartment 6 is coupled to the lower end portion of the dash panel 21, and a pair of left and right side sills 8 are coupled to both ends of the floor panel 7 in the vehicle width direction. A rear end portion of the pair of front side frames 22 extends downward along the front surface of the dash panel 21 and is coupled to the lower surface of the floor panel 7 at the lower end portion of the dash panel 21 and extends in the front-rear direction. The front end of the floor frame 9 is coupled.

  The vehicle interior 6 includes a dashboard 10, a steering wheel 11, a pair of left and right front seats 12, a pair of left and right rear seats 13, and the like. (See FIG. 4). Note that reference numeral 15 in FIG. 4 denotes a pair of left and right headlamps, and reference numeral 16 in FIG. 4 denotes a pair of left and right side mirrors.

The front structure 20 of the vehicle 1 will be described in detail.
The engine room 4 is formed in a portion surrounded by a dash panel 21, a pair of left and right front apron members 30 coupled to the dash panel 21, a bumper member 24, and the like, and is opened and closed by a bonnet 31. The bonnet 31 has a rear end hinged to a cowl member (not shown) on the upper end side of the dash panel 21 and is pivoted up and down around the rear end to open and close.

  A pair of crash cans 28 capable of absorbing a collision load are attached to the front end portions of the pair of front side frames 22, and a middle portion capable of absorbing the collision load at a front end portion of the middle portion of the intermediate cross member 25 in the vehicle width direction. A crash can 29 is attached, and a bumper rain 23 is connected to the crash cans 28 and 29.

  The bumper rain 23 has a connecting portion 23 a (connected to the pair of front side frames 22) with the pair of front side frames 22 and a pair of left and right frame front sides located on the front side of the pair of front side frames 22. The vehicle width direction intermediate portion 23c between the portion 23b and the pair of connecting portions 23a (the frame front side portion 23b), and a pair of left and right vehicle widths outside the pair of the connecting portions 23a (the frame front side portion 23b) in the vehicle width direction. It has a direction outer side portion 23d.

  The pair of frame front side portions 23b is the foremost end portion of the bumper rain 23, and is formed, for example, such that its front end face faces forward. The vehicle width direction intermediate portion 23c is formed so as to be retracted as a whole from the connecting portion 23a, and has an intermediate retracted portion 23e that is retracted so as to be positioned rearward of the front end portion of the front side frame 22.

  The vehicle width direction intermediate portion 23c is connected to the left and right inclined portions extending substantially straight inward and rearward in the vehicle width direction from the pair of frame front side portions 23b at the center in the vehicle width direction, and opens forward in plan view. It is formed in a V-shape, and the connecting portion and its vicinity become an intermediate retreat portion 23e, and an intermediate cross member 25 is disposed a little rearward from the intermediate retraction portion 23e, so that the intermediate retraction portion 23e and the intermediate cross member 25 are disposed. Are connected via an intermediate crash can 29.

  The pair of vehicle width direction outer side portions 23d includes an outer retreating portion 23f that is retreated so as to be located rearward of the connecting portion 23a. The pair of vehicle width direction outer side portions 23d are formed of left and right inclined portions extending substantially straight outward and rearward in the vehicle width direction from the pair of frame front side portions 23b, respectively.

  As described above, the bumper rain 23 has an M-shape that is extended in the vehicle width direction in plan view by the pair of frame front side portions 23b, the vehicle width direction intermediate portion 23c, and the pair of vehicle width direction outer side portions 23d. Is formed. The bumper rain 23 has a closed cross-sectional structure, for example, by hydroforming or by joining two members. A bumper rain having an open cross-sectional structure with a U-shaped cross section may be adopted as the bumper rain 23.

  The foot wiper member 26 is formed in a strip shape extending in a straight horizontal direction in the vehicle width direction, and has a length in the vehicle width direction that is substantially the same as the distance between the outer ends in the vehicle width direction of the pair of front side frames 22. From the frame front side portion 23b including the front end position of the bumper rain 23 so that both ends in the vehicle width direction are in the same vehicle width direction position as the pair of front side frames 22 and overlap the bumper rain 23 in the front-rear direction. Is also arranged to project forward.

  The pair of foot-wiping support members 27 includes a vertical support portion 27a and a horizontal support portion 27b extending forward from a lower end portion of the vertical support portion 27a, and the upper end portion of the vertical support portion 27a is the lower end of the front side frame 22. The front end portion of the horizontal support portion 27b is connected to the rear end portions of both end portions in the vehicle width direction of the foot wiper member 26.

  As for the coupling between the front side frame 22 and the foot cleaning support member 27 and the coupling between the foot cleaning member 26 and the foot cleaning support member 27, various coupling structures can be employed. Although not shown in the drawing, the flange is formed at the upper end portion of the vertical support portion 27a of the foot removal support member 27, and the flange is in contact with the lower end surface of the front side frame 22 although not shown in the figure. It is fastened with bolts.

  The bumper member 24 extends forward so as to be substantially continuous from the pair of front apron members 30 and the bonnet 31 to form a front exterior surface of the vehicle 1. A portion of the bumper member 24 positioned on the front side of the bumper rain 23 is The portion of the bumper member 24 positioned on the front side of the foot wiper member 26 is formed in a shape along the foot wiper member 26. A cushioning member made of urethane foam or the like may be attached between the bumper rain 23 and the bumper member 24 or between the foot wiper member 26 and the bumper member 24 so as to be attached to the bumper rain 23 or the foot wiper member 26. .

  That is, the bumper member 24 includes a pair of bumper member frame front side portions 24b and a bumper member vehicle width corresponding to the pair of frame front side portions 23b, the vehicle width direction intermediate portion 23c, and the pair of vehicle width direction outer side portions 23d. The direction intermediate portion 24c has a pair of bumper member vehicle width direction outer side portions 24d, and the bumper member vehicle width direction intermediate portion 24c corresponds to the intermediate retracted portion 23e, that is, retracted along the intermediate retracted portion 23e. A bumper member intermediate retreating portion 24e is provided.

  Further, the bumper member 24 has a foot wiper cover portion 24 f that projects forward from the other portion at the front lower end portion of the bumper member 24 so as to correspond to the foot wiper member 26. This foot-wiping cover portion 24f slightly protrudes forward with respect to the pair of bumper member frame front side portions 24b and forwards with respect to the bumper member vehicle width direction intermediate portion 24c (particularly, the bumper member intermediate retracted portion 24e). It protrudes greatly, its front end portion extends straight in the vehicle width direction, and the rear end of the upper surface portion 24fa of the foot wiper cover portion 24f is the lower end of the pair of bumper member frame front side portions 24b and the bumper member width direction intermediate portion 24c. It is connected to.

  In the engine room 4, the engine 5, which is a power train, is largely below the upper end of the front side frame 22 in front of the dash panel 21, behind the intermediate cross member 25, and between the pair of front side frames 22. It arrange | positions so that it may become a position. A concave portion 21a that is recessed rearward is formed in the vehicle width direction center portion of the dash panel 21, and the rear end portion of the engine 5 is accommodated in the concave portion 21a so that the engine 5 is positioned rearward of the axle position of the front wheel 2. It is arranged behind the engine room 4.

  The driving force of the engine 5 is transmitted to the pair of rear wheels 3 through the transmission 40, the propeller shaft 41, the differential device 42, and the pair of left and right rear axles 43. The transmission 40, the propeller shaft 41, etc. The panel 7 is disposed inside (on the lower surface side) an upward convex tunnel portion (not shown) formed at the center in the vehicle width direction.

  A suspension cross member 45 for supporting a front suspension (not shown), a power steering device 46 for steering the front wheels 2, and a cooling unit 47 having a radiator and a cooling fan are disposed on the lower end side of the engine room 4. .

  The cooling unit 47 is disposed in a rearward inclined posture so as not to interfere with the suspension cross member 45 and the power steering device 46 from the lower side to the rear side of the intermediate cross member 25.

  Although not shown, an air introduction port for introducing running air is formed in the bumper member 24 in order to cool at least the radiator of the cooling unit 47, and further, the running air is sent from the air introduction port to the cooling unit 47. An air duct for guiding may be provided. In the engine room 4, vehicle equipment such as an oil cooler, an air cleaner, and a battery (not shown) are arranged in a predetermined arrangement.

The front structure 20 of the vehicle 1 described above has the following effects.
Since the bumper rain 23 has a vehicle width direction intermediate portion 23c that is retracted from the connecting portion 23a between the connecting portions 23a to the pair of front side frames 22, there is a limit in retracting the position of the connecting portion 23a. However, the position of the center of gravity of the bumper rain 23, which is a heavy object, can be retracted to shorten the front overhang at the center in the vehicle width direction. Performance), the dead space in the front-rear direction of the engine room 4 can be reduced, and the degree of freedom of design including the shape of the bumper member 24 forming the front exterior surface of the vehicle 1 can be improved. .

  In particular, in this vehicle 1, the engine 5 is positioned rearward of the axle position of the front wheels 2 and is disposed rearward in the engine room 4 with a low center of gravity, thereby reducing the yaw moment of inertia and improving the steering stability. However, this improvement can be further achieved by the vehicle width direction intermediate portion 23c of the bumper rain 23, and the rear placement of the engine 5 allows the conventional bumper rain in the engine room 4 to be dead in the front-rear direction. Although the space tends to increase, the above-described effect can be exhibited while reliably reducing the dead space.

  Further, since the foot wiper member 26 for protecting the pedestrian extending in the vehicle width direction is disposed below the bumper rain 23, when the pedestrian's foot hits the foot wiper member 26 at the time of the vehicle collision, the foot wiper member 26 is disposed. The pedestrian can be picked up on the hood 31 by this, and in this case, various vehicle equipment including the engine 5 positioned at a low position can be arranged relatively far away from the hood 31, so that the hood 31 absorbs the shock. A function can be provided, and therefore, pedestrian protection can be achieved and collision safety can be improved.

  Since the foot wiper member 26 is disposed so as to protrude forward from the foremost end position of the bumper rain 23 (the front end portion of the frame front side portion 23b), the foot of the pedestrian hits the foot wiper member 26 before hitting the bumper rain 23. Thus, the pair of left and right foot-feeding support members that can reliably exert the above-described function of the foot-wiping member 26 and extend downward and forward from the front portions of the pair of front side frames 22 to support the foot-wiping member 26. 27, even when the pair of crash cans 28 is attached to the front end portions of the pair of front side frames 22 and the bumper rain 23 is connected to the pair of crash cans 28, the foot wiper member 26 can be reliably It can be supported stably by arrangement.

  The bumper rain 23 has an intermediate retreating portion 23e that is retreated so as to be positioned rearward of the front end portion of the front side frame 22 in the vehicle width direction intermediate portion 23c. The bumper rain 23 is more than the connecting portion 23a. Since the vehicle width direction outer side portion 23d has an outer retreating portion 23f that is retreated so as to be located rearward of the connecting portion 23a, the center of gravity of the bumper rain 23 is further retreated, and the front overhangs at both end portions in the vehicle width direction The front overhang at the center in the vehicle width direction can be shortened, the yaw moment of inertia of the vehicle 1 can be reduced, the steering stability of the vehicle 1 can be improved, and the degree of freedom in the design of the bumper member 24 can be further improved. .

  Since a pair of crash cans 28 capable of absorbing a collision load is attached to the front end portions of the pair of front side frames 22, and the bumper rain 23 is connected to the pair of crash cans 28, an intermediate retreating portion 23e of the bumper rain 23 is further provided. Since the intermediate cross member 25 and the intermediate cross member 25 are connected via the intermediate crush can 29 capable of absorbing the collision load, the impact absorption performance can be improved and the collision safety can be improved.

  Since the frame front side portion 23b, which is the foremost end portion of the bumper rain 23, has a connecting portion 21a, the position of the connecting portion 21a is not retracted from the conventional position, but the center of gravity of the bumper rain 23 is retracted, thereby causing a front overhang. It can be partially shortened, and when a collision occurs, the collision weight is often input from the frame front side portion 23b of the bumper rain 23. Therefore, the function of the crash can 29 is surely exhibited to improve the collision safety. Can do.

  Since the bumper member 24 has a bumper member intermediate retracted portion 24e that is retracted along the intermediate retracted portion 23e of the bumper rain 23, the central portion of the bumper member 24 in the vehicle width direction is recessed backward, and the design of the bumper member 24 is improved. Can be increased.

  Since the engine 5, which is a power train, is disposed in front of the dash panel 21 and between the pair of front side frames 22, the engine 5 has a low center of gravity to further improve the steering stability of the vehicle 1. This is advantageous when the engine 5 is disposed in the rear of the engine room 4 so that the engine 5 is located rearward of the axle position of the front wheel 2, thus further reducing the yaw moment of inertia and improving the steering stability. It becomes possible to plan.

  Since it has an intermediate cross member 25 that extends in the vehicle width direction on the rear side of the bumper rain 23 and is attached to a pair of front side frames 22, the vehicle width direction intermediate portion 23 c of the bumper rain 23 is connected to the intermediate cross member 25. The intermediate cross member 25 enhances the torsional rigidity of the vehicle 1 of the vehicle 1 and, at the time of a vehicle collision, the collision load input to the bumper rain 23 is transmitted from the front end side to the pair of front side frames 22 and the intermediate cross member 25 It is transmitted to the member 25 and transmitted from the intermediate cross member 25 to the middle part of the pair of front side frames 22 in the longitudinal direction. Therefore, the dispersibility of the collision load from the bumper rain 23 is increased, and the bumper rain 23 is intermediate in the vehicle width direction. The part 23c is prevented from being damaged due to improper bending, etc., and impact safety as well as collision safety The can be improved, it can also be effectively utilized an intermediate cross member 25 for connecting supporting various vehicle accessory.

  Next, a front structure of a vehicle in which the configuration of the main embodiment is partially changed will be described. However, the same or similar components as those in the main embodiment will be described with the same or similar reference numerals, detailed description will be omitted as appropriate, and the basically same effects as those in the main embodiment will be described. Is omitted.

1] As shown in FIGS. 5 and 6, in the vehicle front structure 20 </ b> A according to the first modification, the foot wiper member 26 </ b> A has substantially the same left and right length as the bumper rain 23, and is the same as the bumper rain 23 in plan view. It is formed in an M shape. That is, the foot-pasting member 26A includes a pair of foot-pasting frame front side portions 26Ab corresponding to the pair of frame front side portions 23b, the vehicle width direction intermediate portion 23c, and the pair of vehicle width direction outer side portions 23d, respectively. There is a foot-pasting-car width direction intermediate portion 26Ac and a pair of foot-pasting car width-direction outer portions 26Ad.

  In the foot-pasting member 26A, a pair of foot-pasting frame front side portions 26Ab, a foot-pasting vehicle width direction intermediate portion 26Ac, and a pair of foot-pasting vehicle width-direction outer portions 26Ad are respectively a pair of frame front side portions of the bumper rain 23. 23b, a vehicle width direction intermediate portion 23c, and slightly protrudes forward from the pair of vehicle width direction outer side portions 23d. In the bumper member 24A, the foot removal cover portion 24Af is V-shaped rearward along the foot removal member 26A. The bumper member frame front side portion 24b and the bumper member vehicle width direction intermediate portion 24c slightly protrude forward.

  According to the vehicle front structure 20A, the foot wiper member 26A is formed in an M-shape similar to the bumper rain 23 in plan view, and therefore the bumper member 24A is disposed along the bumper rain 23 and the foot wiper member 26A. The overall position of the foot 1 can be recessed, and the position of the center of gravity of the foot removal member 26A can be retracted. By providing the foot removal member 26A, pedestrian protection can be achieved, and the yaw moment of inertia of the vehicle 1 can be reduced. It is possible to maintain a high reduction and improvement in handling stability. It should be noted that the pair of foot-spreading wheel width direction outer side portions 26Ad can be omitted.

2] As shown in FIGS. 7 and 8, in the vehicle front structure 20 </ b> B according to the second modified example, an oil cooler 48, which is a pair of left and right vehicle accessories, is provided at a position near the rear of the intermediate retreating portion 23 e of the bumper rain 23. They are arranged symmetrically. Each oil cooler 48 has substantially the same width in the vehicle width direction as the distance between the front side frame 22 and the intermediate crash can 29B, and the front side frame 22, the bumper rain 23, the intermediate cross member 25, and the crash can in plan view. In the portion surrounded by 28 and 29B, the front portion is arranged in a vertical posture so as to face slightly forward and inward. Note that the intermediate crash can 29B is formed to be somewhat long in the front-rear direction.

  The oil cooler 48 has an upper end located at the same height as the main part of the front side frame 22, and most of the oil cooler 48 is located below the lower end of the main part of the front side frame 22. The frame 22 and the bumper rain 23 are connected and supported.

  The cooling unit 47B is located below the front side frame 22 and does not interfere with the suspension cross member 45, the power steering device 46, and the oil cooler 48 below the intermediate retreating portion 23e of the bumper rain 23 and the intermediate cross member 25. As described above, the oil cooler 48 is disposed in a backward inclined posture from the rear to the bottom.

  According to the front structure 1B of the vehicle, since the oil cooler 48 is disposed in the vicinity of the rear of the intermediate retreating portion 23e of the bumper rain 23, the position in the vicinity of the rear of the intermediate retreating portion 23e is effectively used for the arrangement of the oil cooler 48. However, the front overhang at the center in the vehicle width direction can be reliably shortened.

3] As shown in FIGS. 9 and 10, the vehicle front structure 20 </ b> C according to Modification 3 includes a portion of the intermediate cross member 25 and the pair of front side frames 22 positioned behind the intermediate cross member 25. A pair of left and right intermediate cross connecting members 50 for connecting the left and right intermediate cross connecting members 50, each of which is disposed in an inclined manner so as to move outward in the vehicle width direction toward the rear.

  The front end portions of the pair of intermediate cross connecting members 50 are coupled adjacently to the center portion of the intermediate cross member 25 in the vehicle width direction, and the rear end portions of the pair of intermediate cross connecting members 50 are connected to the engine 5. The engine 5 is disposed in a portion surrounded by a dash panel 21, a pair of front side frames 22, and a pair of intermediate cross connecting members 50.

  According to the front structure 20C of the vehicle, the pair of intermediate cross connecting members 50 further enhances the torsional rigidity of the vehicle body, and at the time of a vehicle collision, the pair of intermediate cross connecting members 50 and the pair of intermediate cross connecting members 50 are bumper rain. The collision load received from the vehicle 23 can be distributed and transmitted to the pair of front side frames 22, so that the dispersion of the collision load from the bumper rain 23 can be further increased. The collision load to be generated can be reliably received by one intermediate cross connecting member 50 extending in a direction close to the input direction of the collision load and transmitted to the front side frame 22, and the pair of intermediate cross connecting members 50 Can be effectively used to connect and support various vehicle equipment.

4] As shown in FIGS. 11 and 12, in the vehicle front structure 20D according to the modified example 4, the bumper member 24D has a bumper member width direction intermediate portion 24Dc that is curved in a generally convex shape. The foot cover cover portion 24Df is formed so as to protrude slightly forward from the upper portion thereof and extend substantially straight in the vehicle width direction.

  An upper air introduction port 24Dg for introducing traveling wind for generating downforce is formed in the upper portion of the bumper member vehicle width direction intermediate portion 24Dc, and an upper bumper grille 24Dh is mounted on the upper air introduction port 24Dg. ing.

  The upper air introduction port 24Dg is located on the front side of the vehicle width direction intermediate portion 23c of the bumper rain 23, and an air passage 56 that connects the upper air introduction port 24Dg and the air discharge port 55 formed on the front end side of the bonnet 31 includes: It is provided so as to pass through the upper side from the front side of the vehicle width direction intermediate portion 23c. A spoiler 57 having a blade shape in cross section is provided on the upper side of the air passage 56, and this spoiler 57 generates a down force according to a well-known blade theory when the vehicle travels.

  According to the vehicle front structure 20D, the bumper rain 23 is formed such that a vehicle width direction intermediate portion 23c between the connecting portions 23a with the pair of front side frames 22 is retracted from the connecting portions 23a. The vehicle width direction intermediate portion 23c has the intermediate retreating portion 23e that is retreated so as to be positioned rearward of the front end portion of the front side frame 22, so that the upper air introduction port 24Dg is provided in the vehicle width as described above. The air passage 56 can be provided so as to pass from the front side to the upper side of the vehicle width direction intermediate portion 23c, and thus the spoiler 57 is formed in a shape capable of generating more downforce. Can be provided.

5] The front structure of the vehicle may be configured by combining each configuration of the main embodiment and each configuration of Modifications 1 to 4 if possible.

6] In addition, various configurations other than the above-described disclosure can be added and implemented without departing from the spirit of the present invention. The present invention is not limited to the vehicle disclosed in the embodiments, and is an FF vehicle. It is applicable to various vehicles such as.

It is a principal part plane sectional view containing the front part structure of a vehicle. It is the II-II sectional view taken on the line of FIG. It is the III-III sectional view taken on the line of FIG. It is a perspective view from the front diagonal upper side of a vehicle. FIG. 10 is a plan cross-sectional view of a main part of a front structure of Modification 1. It is a perspective view from the front diagonal upper side of the vehicle of the modification 1. FIG. FIG. 10 is a plan cross-sectional view of a main part of a front structure of Modification 2. It is the VIII-VIII sectional view taken on the line of FIG. FIG. 10 is a plan cross-sectional view of a main part of a front structure of Modification 3. FIG. 10 is a sectional view taken along line XX in FIG. 9. FIG. 10 is a perspective view from the diagonally upper front side of a vehicle according to Modification 4; FIG. 10 is a vertical cross-sectional view of a main part including a front structure of a vehicle according to Modification 4;

DESCRIPTION OF SYMBOLS 1 Vehicle 5 Engine 6 Car compartment 20,20A, 20B, 20C, 20D Front structure 21 Dash panel 22 Front side frame 23 Bumper rain (bumper reinforcement)
23a connecting portion 23c vehicle width direction intermediate portion 23d vehicle width direction outer side portion 23e intermediate retreating portion 23f outer retreating portion 24, 24A, 24D bumper members 26, 26A foot wiping member 27 foot wiping support member 28 crash can

Claims (7)

A dash panel that partitions the front end of the passenger compartment, a pair of left and right front side frames that extend forward from the dash panel, and a bumper reinforcement that is long on the front end side of the pair of front side frames. , A front structure of a vehicle provided with a bumper member covering the bumper reinforcement,
The bumper reinforcement has a vehicle width direction intermediate portion that is retracted from the connection portion between the connection portions with a pair of front side frames,
A vehicle comprising a foot wiper member for protecting a pedestrian disposed so as to extend in a vehicle width direction at a position lower than the bumper reinforcement and to protrude forward of an intermediate portion in the vehicle width direction. Front structure.   The vehicle front structure according to claim 1, wherein the foot wiping member is disposed so as to project forward from a foremost end position of a bumper reinforcement.   The front of a vehicle according to claim 1 or 2, further comprising a pair of left and right foot-fitting support members that extend downward and forward from the front portions of the pair of front side frames to support the foot-fitting member. Part structure.   The bumper reinforcement has an intermediate retreat portion that is retreated so as to be located rearward of the front end portion of the front side frame at the intermediate portion in the vehicle width direction. The front structure of the vehicle described in 1.   5. The bumper reinforcement includes an outer receding portion that is receded so as to be positioned rearward of the connecting portion at a vehicle width direction outer side of the connecting portion. The front structure of the vehicle according to claim 1.   2. A pair of crash cans capable of absorbing a collision load is attached to front ends of the pair of front side frames, and a bumper reinforcement is connected to the pair of crash cans. The front structure of the vehicle according to any one of claims 5 to 6.   The vehicle front structure according to any one of claims 1 to 6, wherein a power train is disposed in front of the dash panel and between the pair of front side frames.