JP2012006513A - Vehicle body front structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle body front structure by which superior anti-collision performance can be obtained even when the space in a longitudinal direction is small.SOLUTION: The vehicle body front structure having side frames 20, a bumper face 210 arranged in the front side of the side frames, a bumper beam 70 arranged extending in the vehicle width direction along the rear face of the bumper face and having a closed cross-section part, and a bumper beam bracket 100 fixed to the side frame and supporting the bumper beam is constituted such that the flange 73 protruding upward from the closed cross-section part is arranged in the bumper beam, and the bumper beam bracket has the first member 110 protruding to the vehicle front side from the front end of the side frames and connected to the rear face of the closed close-section part and the second member 120 fixed to the upper part of the first member and connected to the rear face of the flange.

Description

  The present invention relates to a vehicle body front structure of a vehicle such as an automobile, and more particularly to a vehicle that can obtain good anti-collision performance even when the space in the front-rear direction is small due to shortening of the front overhang.

The front part of a vehicle such as a passenger car is required to transmit the input received from the bumper face at the front end of the vehicle at the time of a collision to the rear side of the vehicle body quickly and efficiently.
2. Description of the Related Art Conventionally, as a front body structure of an automobile, it is known that a bumper beam, which is a transverse beam member, is attached to a front end portion of a side frame of a vehicle and input from a bumper face is transmitted to the side frame via the bumper beam.

  As a conventional technique related to such a bumper beam, for example, in Patent Document 1, two left and right portions of a bumper beam extending substantially along the vehicle width direction are supported by stays extending from the side frames to the front side, A vehicular bumper beam is described in which a closed cross-sectional portion is stiffened between the outer side surface and both ends of the bumper beam in a gusset shape.

Also, in the front structure of the vehicle body, in order to reduce the harm to the pedestrian's legs when colliding with the pedestrian, a foam-like shock absorbing member (EA member) having flexibility inside the bumper face It is known to arrange.
For example, Patent Document 2 describes a front structure of an automobile in which an EA member is provided on the front surface of a bumper beam so as to face the back surface of the bumper face with a gap.

JP 2009-241724 A JP 2008-126912 A

From the viewpoint of vehicle layout, design, etc., it is required to shorten the length of the front overhang portion, which is a portion of the vehicle body ahead of the front wheels. For this purpose, the above-described bumper beam or the like is arranged. The space needs to be reduced in the front-rear direction.
For this reason, for example, it is difficult to take a method of bending the bumper beam with a relatively large curvature so that the center part in the vehicle width direction protrudes forward, and absorbing energy by the bending of the bumper beam at the time of collision. Therefore, it is required to transmit the input to the bumper beam to the side frame without loss.
On the other hand, even when the front overhang is shortened, it is necessary to sufficiently secure the deformation stroke of the shock absorbing member in order to ensure the pedestrian protection performance.

In addition, for example, the height of the location that receives the input is greatly different between when the vehicle collides with a passenger car having a relatively low vehicle height and when the vehicle collides with an SUV vehicle having a relatively high vehicle height.
For this reason, the vehicle body front structure is required to appropriately transmit the load to the side frame even when, for example, an input is received above the bumper beam.
In view of the above problems, an object of the present invention is to provide a vehicle body front structure that can obtain good anti-collision performance even when the space in the front-rear direction is small.

The present invention solves the above-described problems by the following means.
According to the first aspect of the present invention, there are provided side frames provided on the left and right sides of the engine room of the vehicle and extending in the front-rear direction, a bumper face provided on the front side of the side frame, and a back surface of the bumper face. A vehicle body front structure comprising a bumper beam extending in the vehicle width direction and having a closed cross section, and a bumper beam bracket fixed to the side frame and supporting the bumper beam, the bumper beam being located above the closed cross section The bumper beam bracket includes a first member protruding forward from the front end of the side frame and connected to the rear surface of the closed cross-section, and And a second member fixed to the upper portion and connected to the rear surface of the flange portion. It is an elephant.

According to a second aspect of the present invention, a rear end portion of the second member of the bumper beam bracket is connected to a flange portion formed at a front end portion of the side frame, and the second portion in the flange portion of the side frame. The vehicle body front part structure according to claim 1, wherein a stiffening member that connects a rear side of a connection part to the member and an upper surface part of the side frame is provided.
The invention according to claim 3 is characterized in that the second member forms a closed cross-section in cooperation with a flange portion protruding in the vehicle width direction from the upper end portion of the first member. The vehicle body front part structure according to claim 2.
According to a fourth aspect of the present invention, a stiffening structure portion is provided at a connection portion between the bumper face and a grill provided at an upper portion of the bumper face, and the bumper beam includes the stiffening structure portion when the bumper face is retracted. The vehicle body front part structure according to any one of claims 1 to 3, wherein a relief part that is recessed so as to avoid the interference is formed.
According to a fifth aspect of the present invention, in the vicinity of the front end portion of the bumper beam bracket, the second member has a cross-sectional centroid as viewed from the front of the vehicle in a vehicle width direction with respect to the cross-sectional centroid of the side frame. The vehicle body front portion structure according to any one of claims 1 to 4, wherein a closed cross-sectional portion disposed inside is formed.
According to a sixth aspect of the present invention, a shock absorbing member having flexibility is provided at a lower portion of the front surface portion of the bumper beam, and the front of the vehicle body according to any one of the first to fifth aspects, It is a partial structure.

According to the present invention, the following effects can be obtained.
(1) The bumper beam bracket projects from the front end portion of the side frame to the front side of the vehicle and is connected to the rear surface of the closed cross-section portion, and is fixed to the upper portion of the first member and on the rear surface of the flange portion. By having the connected second member, it is possible to increase the coupling strength between the bumper beam and the side frame and perform load transmission quickly and efficiently. Also, even when a load is input to the upper flange part of the bumper beam due to a collision with a vehicle with a high vehicle height, the bumper beam can be prevented from rolling and the bumper beam bracket can be bent to achieve good load transmission. be able to.
As a result, good frontal collision performance can be obtained even when the bumper beam bracket protrudes from the front end of the side frame, and good anti-collision performance even when the vehicle front overhang is shortened. Can be obtained.
(2) The rear end portion of the second member of the bumper beam bracket is connected to a flange portion formed at the front end portion of the side frame, and the rear side of the connection portion with the second member in the flange portion of the side frame; By providing the stiffening member that connects the upper surface portion of the side frame, the above-described effects can be further enhanced.
(3) The second member further enhances the support rigidity of the flange portion of the bumper beam by forming a closed section in cooperation with the flange portion protruding in the vehicle width direction from the upper end portion of the first member. And the effects described above can be promoted.
(4) By providing a stiffening structure portion at the connection portion between the bumper face and the grill provided at the upper portion of the bumper face, the grill and the bumper face are mutually reinforced to prevent cross-sectional collapse of these joint portions, The input to the bumper face can be transmitted to the bumper beam without loss.
In addition, the bumper beam is formed with a recess that is recessed to avoid interference with the stiffening structure when the bumper face is retracted, thereby preventing the stiffening structure from interfering with the bumper beam at an early stage. A deformation stroke of the shock absorbing member for protecting the pedestrian can be ensured.
(5) In the vicinity of the front end portion of the bumper beam bracket, the second member is a closed cross section in which the centroid of the cross-sectional shape viewed from the front of the vehicle is disposed on the inner side in the vehicle width direction with respect to the centroid of the cross-sectional shape of the side frame By forming the part, it is possible to increase the support rigidity of the bumper beam against the moment to rotate the bumper beam in the horizontal plane with respect to the side frame, and the load input to the central part of the bumper beam can be efficiently applied to the side frame. Can communicate.
(6) By providing a flexible impact absorbing member at the lower part of the front part of the bumper beam, the input from the bumper face is efficiently transmitted to the bumper beam in the case of a vehicle collision in which the input to the upper part of the bumper beam is the main. can do. On the other hand, in the case of an anti-pedestrian collision in which the input to the lower part of the bumper beam is the main, energy can be absorbed by the deformation of the impact absorbing member, and the harm to the leg of the pedestrian can be reduced.

It is the external appearance perspective view which looked at the left half part in the Example of the vehicle body front part structure to which this invention is applied from the vehicle width direction inside diagonally back and diagonally upward. FIG. 2 is an external perspective view of a left half portion of the vehicle body front part structure of FIG. 1 as viewed from the vehicle width direction outside diagonally forward and diagonally above the vehicle. FIG. 2 is an external perspective view of a left half portion of the vehicle body front structure of FIG. 1 as viewed from the vehicle width direction inside diagonally forward and diagonally above the vehicle. It is the IV section enlarged view of Drawing 1, and shows the state where a bumper face was equipped. FIG. 2 is a side view of the left half portion of the vehicle body front structure of FIG. 1 as viewed from the center in the vehicle width direction. It is typical sectional drawing which shows the state which cut the vehicle width direction center part of the vehicle body front part structure of FIG. 1 by the plane parallel to the front-back direction and an up-down direction. FIGS. 7A and 7B are schematic views showing a connection portion between a bumper beam and a bumper beam bracket in the vehicle body front part structure of FIG. 1, and FIG. 7A is a view seen from the inside in the vehicle width direction, and FIG. It is a bb section arrow sectional view of (a). It is the typical top view which looked at the vehicle body front part structure of FIG. 1 at the time of front collision from the upper direction.

  The present invention has an object of providing a vehicle body front structure that can obtain good anti-collision performance even when the space in the front-rear direction is small. The closed cross section connected to the upper bumper beam bracket and the flange above the bumper beam The problem was solved by increasing the coupling strength between the bumper beam and the side frame.

Embodiments of a vehicle body front structure to which the present invention is applied will be described below.
The vehicle body front part structure of the embodiment is applied to, for example, an automobile such as a passenger car in which an engine is mounted on the vehicle front part.
The vehicle body 1 includes a toe board 10, a side frame 20, an apron 30, a radiator upper support 40, a radiator lower support 50, a headlight support 60, a bumper beam 70, an EA member 80, a bumper beam bracket 100, a bumper face 210, a front grill 220, and the like. It is prepared for.

  The toe board 10 is a partition wall that is provided at the front end of the cabin of the vehicle and separates the vehicle interior from the engine room.

The side frame 20 is a structural member protruding from the toe board 10 toward the vehicle front side. A pair of side frames 20 are provided apart from each other in the vehicle width direction, and power trains such as a vehicle engine and a transmission (not shown) are accommodated in an engine room provided within the interval.
The side frame 20 is formed so that the cross-sectional shape viewed along a plane parallel to the vertical direction and the vehicle width direction is a substantially rectangular closed cross section that is long in the vertical direction.
A flange 21 is formed at the front end of the side frame 20 so as to project outwardly in a flange shape.

The apron 30 is a panel-like portion that is formed to extend from the outer end in the vehicle width direction on the upper surface of the side frame 20 to the wheel house side that houses the front wheels.
The radiator upper support 40 (not shown in FIG. 1; see FIG. 2 and the like) is a portion that connects the front end portions of the left and right side frames 20 on the upper side of the side frames 20.
The radiator lower support 50 is a portion that connects the front end portions of the left and right side frames 20 on the lower side of the side frames 20.
The radiator upper support 40 and the radiator lower support 50 hold the upper end portion and the lower end portion of a condenser of a radiator core and an air conditioner (not shown).
The headlight support 60 is formed so as to protrude from the left and right ends of the upper end of the radiator upper support 40 outward in the vehicle width direction, and is attached with lights such as a headlight unit (not shown).
Each of the above-described constituent members constitutes a part of the white body of the vehicle. For example, panel-like members obtained by press-molding steel plates are assembled and joined by spot welding or the like.

The bumper beam 70 is a beam-like structural member attached to the front end portion of the side frame 20 via a bumper beam bracket 100 and extending substantially along the vehicle width direction.
As shown in FIG. 8, the bumper beam 70 is formed to be curved so that the central portion in the vehicle width direction projects toward the vehicle front side with respect to the side end portion.
As shown in FIG. 6, the bumper beam 70 is configured by joining a front panel 71 and a rear panel 72 formed by pressing a steel plate.
The front panel 71 is a part constituting the front surface portion of the bumper beam 70.
The rear panel 72 is a part that is fixed to the rear side of the front panel 71 and constitutes a rear surface portion, an upper surface portion, and a lower surface portion of the bumper beam 70.

The front panel 71 has a central recess 71a and an upper recess 71b.
The central recessed portion 71a is a portion in which an intermediate portion in the vertical direction of the front panel 71 is recessed stepwise on the vehicle rear side.
The upper recessed portion 71b is a portion in which the upper portion of the front panel 71 is recessed toward the vehicle rear side to the same extent as the central recessed portion 71a.
In addition, a flange 73 is formed by extending the upper end portion of the upper concave portion 71b of the front panel 71 upward.
The flange 73 protrudes upward from the upper part at the front end portion of the bumper beam 70.

The rear panel 72 is formed in a hat shape whose front side is open.
The rear panel 72 has an upper surface portion 72b and a lower surface portion 72c extending forward from the upper end portion and the lower end portion of the rear surface portion 72a.
The upper surface portion 72 b is spot-welded to the rear surface of the upper recessed portion 71 b of the front panel 71 with a flange formed at the front end portion.
The lower surface portion 72 c is spot-welded to the rear surface of the lower end portion of the front panel 71 with a flange formed at the front end portion.
With the above configuration, the front panel 71 and the rear panel 72 cooperate to form a closed section.

The EA member 80 is formed of a flexible material and is attached to the front surface of the bumper beam 70.
The front surface of the EA member 80 is disposed to face the rear surface of the bumper face 210 with a space therebetween.
An upper leg 81 and a lower leg 82 are formed at the rear of the EA member 80.
The upper leg 81 is fixed to the central recess 71 a of the front panel 71.
The lower leg portion 82 is fixed to the front surface portion below the central recess 71 a of the front panel 71.

The bumper beam bracket 100 is a base portion on which the bumper beam 70 is attached to the side frame 20.
The bumper beam bracket 100 is configured by combining a lower panel 110 and a rear panel 120 formed by press-molding a steel plate.

The lower panel 110 is a member that connects the flange 21 of the side frame 20 and the rear surface portion of the bumper beam 70.
As shown in FIG. 7, the lower panel 110 extends substantially along the front-rear direction, and the cross-sectional shape viewed from the front side of the vehicle is formed in a hat shape with the top opened.
The lower panel 110 is formed with an inner side surface portion 112 and an outer side surface portion 113 that are raised upward from left and right end portions on the inner side and the outer side of the lower surface portion 111, respectively.

The lower panel 110 has an inner flange 114 and an outer flange 115 formed therein.
The inner flange 114 is a substantially flat surface portion that protrudes inward in the vehicle width direction from the upper end portion of the inner side surface portion 112.
The outer flange 115 is a substantially flat surface portion that protrudes outward from the upper end portion of the outer side surface portion 113 in the vehicle width direction.
The inner flange 114 and the outer flange 115 are disposed so as to be substantially horizontal at substantially the same height.

The upper panel 120 is a member that is fixed to the upper portion of the lower panel 110, forms a closed section in cooperation with the lower panel 110, and connects the flange 73 of the bumper beam 70 and the flange 21 of the side frame 20.
As shown in FIG. 7, the upper panel 120 is formed in a hat shape in which a cross-sectional shape viewed from the front side of the vehicle is opened downward.
The upper panel 120 includes a convex portion 121, an inner flange 122, an outer flange 123, and the like.
The convex portion 121 is a protruding portion protruding upward. The front end portion of the convex portion 121 is joined to the rear portion of the flange 73 of the bumper beam 70 by, for example, spot welding.
As shown in FIG. 3 and FIG. 8, the convex portion 121 has a rear end portion disposed immediately in front of the side frame 20, and the front end portion is positioned on the side frame 20 and the hat-shaped portion of the lower panel 110. It is arranged obliquely with respect to the vehicle longitudinal direction so as to be inside in the width direction.
As shown in FIG. 7B, the convex portion 121 substantially forms a closed cross section in the vicinity of the front end portion of the bumper beam bracket 100 in cooperation with the inner flange 114 of the lower panel 110. The centroid of the closed cross section is disposed offset from the centroid of the closed cross section of the side frame 20 inward in the vehicle width direction.

The inner flange 122 and the outer flange 123 are substantially flat surface portions that protrude from the inner and outer ends of the convex portion 121 to the inner side and the outer side, respectively.
The inner flange 122 is joined to the inner flange 114 of the lower panel 110 and the opposing portion of the upper surface portion 72b of the rear panel 72 of the bumper beam 70 by spot welding.
The outer flange 123 is joined to the outer flange 115 of the lower panel 110 and the opposing portion of the upper surface portion 72b of the rear panel 72 of the bumper beam 70 by spot welding.

When an input from the bumper B of another vehicle to the rear side of the host vehicle is received from the bumper B of the other vehicle at the time of a frontal collision of the vehicle, the bumper beam 70 bends in a direction in which the curve returns as shown in FIG. At this time, a moment in a direction rotating with respect to the side frame 20 in the horizontal plane is generated in the left and right portions of the bumper beam 70 as indicated by arrows in FIG.
On the other hand, the convex portion 121 of the upper panel 120 of the bumper beam bracket 100 cooperates with a part of the lower panel 110 and the bumper beam 70 to form a truss-like structure, and suppresses the bending and rotation of the bumper beam 70. A load is transmitted to the frame 20 quickly and efficiently.

A rain reinforcement 130 is fixed to the upper surface of the side frame 20.
The rain reinforcement 130 is a gusseted panel that connects the upper surface portion of the side frame 20 and the rear surface portion of the flange 21 (behind the portion to which the convex portion 121 of the upper panel 120 is connected). The front end portion of the rain reinforcement 130 is disposed so as to sandwich the flange 21 in cooperation with the rear end portion of the convex portion 121 of the upper panel 120.

As shown in FIG. 6, the bumper face 210 is a vehicle exterior member that is disposed on the front side of the bumper beam 70 with a predetermined distance from the bumper beam 70 and the EA member 80.
The bumper face 210 is made of a resin material such as PP.
A front grill 220 that is an exterior member disposed along a front end edge of an engine hood (not shown) is attached to the upper portion of the bumper face 210. The front grill 220 is formed of a resin material such as PP, for example.

A joint portion between the bumper face 210 and the front grill 220 is formed with a stiffening structure portion 230 having high rigidity with respect to the other portions of these members.
For example, the stiffening structure 230 may be configured such that a part of the bumper face 210 and a part of the front grill 220 are combined to form a substantially closed cross section, and another member is added. It may be.
The stiffening structure portion 230 extends substantially along the vehicle width direction along the upper edge of the bumper face 210.
The stiffening structure 230 prevents the cross-section from breaking at the joint between the bumper face 210 and the front grill 220 when there is an input on the front surface of the bumper face 210 or the like due to a collision.
The stiffening structure 230 protrudes toward the vehicle rear side with respect to the other part of the bumper face 210. When the bumper face 210 retreats relative to the bumper beam 70 due to a collision, the stiffening structure portion 230 is disposed so as to contact the upper concave portion 71 b or the flange 73 of the front panel 71 of the bumper beam 70.

According to the embodiment described above, the following effects can be obtained.
(1) The bumper beam bracket 100 protrudes from the flange 21 at the front end of the side frame 20 to the front side of the vehicle and is connected to the rear surface of the closed cross section of the bumper beam 70. The bumper beam bracket 100 is fixed to the upper portion of the lower panel 110 and has a flange. By having the upper panel 120 connected to the rear surface of 73, it is possible to increase the coupling strength between the bumper beam 70 and the side frame 20 and transmit the load quickly and efficiently. Further, even when a load is input to the flange 73 of the bumper beam 70 due to a collision with a vehicle having a high vehicle height, the upper part of the bumper beam 70 rolls in the direction of falling backward, or the bumper beam bracket 100 is bent. It is possible to achieve good load transmission.
In addition, when the load transmission is improved in this way, for example, it is possible to prevent damage to the engine hood at the time of a light collision of the vehicle, and it is possible to facilitate repair by reducing the number of parts that need to be replaced.
As described above, according to the present embodiment, even when the bumper beam bracket 100 protrudes from the front end of the side frame 20 with a small amount of protrusion, good front collision performance can be obtained, and the front overhang of the vehicle can be reduced. Even when shortened, good anti-collision performance can be obtained.
(2) The rear end portion of the upper panel 120 of the bumper beam bracket 100 is connected to the flange 21 formed at the front end portion of the side frame 20, the rear side of the connection portion of the flange 21 with the upper panel 120, By providing the rain reinforcement 130 that connects the upper surface portion, the above-described effects can be further enhanced.
(3) The upper panel 120 can further increase the support rigidity of the flange 73 of the bumper beam 70 by forming a closed cross-section in cooperation with the inner flange 114 protruding from the upper end of the lower panel 110 in the vehicle width direction. The effect mentioned above can be promoted.
(4) By providing the stiffening structure 230 at the connection between the bumper face 210 and the front grill 220, the front grill 220 and the bumper face 210 are mutually reinforced to prevent cross-section collapse of these joints, The input to the bumper face 210 can be transmitted to the bumper beam 70 without loss.
Further, the bumper beam 70 is formed with an upper recessed portion 71b that is a recessed portion that is recessed so as to avoid interference with the stiffening structure portion 230 when the bumper face 210 is retracted, and the flange 73 is also the same as the upper recessed portion 71b. By being disposed backward, the stiffening structure portion 230 can be prevented from interfering with the bumper beam 70 at an early stage, and a deformation stroke of the EA member 80 for protecting the pedestrian can be ensured.
(5) In the vicinity of the front end portion of the bumper beam bracket 100, the convex portion 121 of the lower panel 120 is arranged on the inner side in the vehicle width direction with respect to the centroid of the sectional shape of the side frame 20 when viewed from the front of the vehicle. By forming the closed cross section, the support rigidity of the bumper beam 70 with respect to the moment to rotate the bumper beam 70 in the horizontal plane with respect to the side frame 20 can be increased. Load can be transmitted to the side frame 20 efficiently.
(6) By providing the flexible EA member 80 at the lower portion of the front surface portion of the bumper beam 70, the input from the bumper face 210 is used as the input to the bumper beam 70 in the case of a vehicle collision in which the input to the upper portion of the bumper beam 70 is the main. Can be transmitted quickly and without loss. On the other hand, in the case of an anti-pedestrian collision in which the input to the lower part of the bumper beam 70 is the main, energy can be absorbed by the deformation of the EA member 80, and the harm to the leg of the pedestrian can be reduced. .

(Modification)
The present invention is not limited to the embodiments described above, and various modifications and changes are possible, and these are also within the technical scope of the present invention.
The shape, material, structure, manufacturing method and the like of each member constituting the vehicle body front structure are not limited to the above-described embodiments, and can be changed as appropriate.
For example, various beam-like members such as bumper beams may be formed by other manufacturing methods such as extrusion of an aluminum-based alloy instead of joining steel press panels.
In addition, the configuration of the bumper beam bracket is not limited to a configuration in which a member having a hat-shaped cross-sectional shape is combined to form a closed cross-section as in the embodiment, and a member that forms a closed cross-section alone can be combined, or other configurations Also good.
Further, in the embodiment, the closed cross-section portion formed by the upper panel is arranged obliquely so as to be closed in front, but the extension of such a closed cross-section portion depends on the configuration of the applied vehicle. The direction can also be changed as appropriate.

DESCRIPTION OF SYMBOLS 1 Car body 10 Toe board 20 Side frame 21 Flange 30 Apron 40 Radiator upper support 50 Radiator lower support 60 Headlight support 70 Bumper beam 71 Front panel 71a Central recessed part 71b Upper recessed part 72 Rear panel 72a Rear surface part 72b Upper surface part 72c Lower surface part 73A Flange 73A 81 Upper leg portion 82 Lower leg portion 100 Bumper beam bracket 110 Lower panel 111 Lower surface portion 112 Inner side surface portion 113 Outer side surface portion 114 Inner flange 115 Outer flange 120 Upper panel 121 Convex portion 122 Inner flange 123 Outer flange 130 Rain hosement 210 Bumper face 220 Front grill 230 Stiffening structure B Bumper of other vehicle

Claims (6)

Side frames provided on the left and right sides of the engine room of the vehicle and arranged extending in the front-rear direction;
A bumper face provided on the front side of the side frame;
A bumper beam disposed in the vehicle width direction along the back surface of the bumper face and having a closed cross section;
A vehicle body front structure comprising: a bumper beam bracket fixed to the side frame and supporting the bumper beam;
The bumper beam is provided with a flange portion protruding upward from the closed cross section,
The bumper beam bracket includes a first member protruding from the front end of the side frame toward the front side of the vehicle and connected to the rear surface of the closed cross-section, and fixed to an upper portion of the first member and of the flange portion. A vehicle body front part structure comprising: a second member connected to a rear surface. A rear end portion of the second member of the bumper beam bracket is connected to a flange portion formed at a front end portion of the side frame;
2. The vehicle body according to claim 1, wherein a stiffening member that connects a rear side of a connection portion of the flange portion of the side frame with the second member and an upper surface portion of the side frame is provided. Front structure. 3. The vehicle body according to claim 1, wherein the second member forms a closed cross-section in cooperation with a flange portion protruding in the vehicle width direction from an upper end portion of the first member. Front structure. A stiffening structure portion is provided at a connection portion between the bumper face and a grill provided at an upper portion of the bumper face,
4. The bumper beam is formed with a recessed portion that is recessed so as to avoid interference with the stiffening structure portion when the bumper face is retracted. Vehicle body front structure as described. In the vicinity of the front end portion of the bumper beam bracket, the second member has a closed cross-section in which a centroid having a cross-sectional shape viewed from the front of the vehicle is disposed on the inner side in the vehicle width direction with respect to the centroid of the cross-sectional shape of the side frame. The vehicle body front part structure according to any one of claims 1 to 4, wherein a vehicle body front part structure is formed. The vehicle body front part structure according to any one of claims 1 to 5, wherein a shock absorbing member having flexibility is provided at a lower portion of the front surface portion of the bumper beam.

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