JP2017081396A - Vehicle body side part structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle body side part structure that is able to securely and easily deform a bracket and able to obtain high load absorption performance.SOLUTION: In a vehicle body side part structure 100 according to the invention, a fender panel 110 having a side face part composing a side face of a vehicle front part has a connection part 120 extending from an upper edge of the side face part toward a vehicle inner side. The connection part has a first inclined part 122 extending from the upper edge of the side face part toward a vehicle inner side; a second inclined part 124 bent so as to have a substantially horizontal position at an end on the vehicle inner side of the first inclined part, and extending downward toward the vehicle inner side; and a horizontal part 126 extending horizontally toward the vehicle inner side from an end part of the vehicle inner side of the second inclined part. The vehicle body side part structure comprises: a vehicle body structure member (dash-side front panel 150) disposed inside a side face part of the fender panel and below a horizontal part thereof; and a fender bracket 130 connecting the horizontal part and the vehicle body structure member.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vehicle body side part structure provided with a fender panel having a side part constituting a side face of a vehicle front part.

  The engine room at the front of the vehicle is covered with a front hood that is disposed above, and the front hood constitutes the upper surface of the front of the vehicle. A fender panel (also referred to as a front fender) is disposed below the front hood in the vehicle width direction, that is, on the side of the engine room, and constitutes a side surface of the front portion of the vehicle.

  As a method of attaching a fender panel to a vehicle body structural member, a method of providing a fender bracket between them is known (for example, Patent Document 1). In Patent Document 1, when a collision load is applied to the front hood and the fender panel from above, the fender bracket is deformed (collapsed) while absorbing the load, thereby reducing the impact given to a collision object such as a pedestrian. I can do it.

JP 2005-14763 A

  Here, as described above, since the fender bracket absorbs the load by being deformed by the load applied to the front hood or the fender panel, the deformability by the load, that is, the load absorbing performance is required. However, in the configuration of Patent Document 1, since the inner vertical wall portion of the fender panel is in a state perpendicular to the bracket, the inner vertical wall portion is stretched depending on the direction of the load, and the deformation of the fender bracket is inhibited. there's a possibility that.

  In view of such a problem, an object of the present invention is to provide a vehicle body side structure capable of reliably and easily deforming a bracket and obtaining high load absorption performance.

  In order to solve the above problems, a typical configuration of the vehicle body side structure according to the present invention is a vehicle body side structure including a fender panel having a side surface that constitutes a side surface of a vehicle front portion. A connecting portion extending from the upper edge of the portion toward the vehicle inner side, the connecting portion extending downward from the upper edge of the side surface portion toward the vehicle inner side, and an end of the first inclined portion on the vehicle inner side A second inclined portion that is bent so as to have a more horizontal posture at the portion and further extends downward toward the vehicle inner side, and a horizontal portion that extends horizontally from the vehicle inner end portion of the second inclined portion toward the vehicle inner side. The vehicle body side structure includes a vehicle body structural member that is disposed inside a side surface portion of the fender panel and below the horizontal portion, and a fender bracket that connects the horizontal portion and the vehicle body structural member. And

  According to the above configuration, when a collision load is applied, the connecting portion is deformed so as to move to the vehicle interior starting from the boundary between the first inclined portion and the second inclined portion, that is, the inflection point. Thereby, a deformation | transformation of a fender bracket can be accelerated | stimulated. In addition, the connecting portion of the fender panel is in a state where the portions other than the horizontal portion to which the fender bracket is attached, that is, the first inclined portion and the second inclined portion are inclined with respect to the fender bracket. For this reason, deformation of the fender bracket is not hindered. Therefore, the fender bracket can be reliably and easily deformed, and high load absorption performance can be obtained.

  The fender bracket includes a first fixing portion fixed to the vehicle body structural member, a first vertical wall extending upward from the first fixing portion, and bending at the upper end of the first vertical wall and further upward toward the vehicle interior side. It is good to have the 2nd fixed part extended horizontally from the upper end of a 2nd vertical wall toward the vehicle width direction inner side, and being fixed to a horizontal part.

  According to this configuration, when a collision load is applied, the fender bracket is deformed so as to fall to the inside of the vehicle starting from the inflection point that is the boundary between the first vertical wall and the second vertical wall. Thereby, the ease of deformation of the fender bracket can be enhanced, and the load absorption performance can be improved.

  The boundary between the first vertical wall and the second vertical wall of the fender bracket may be located on the outer side in the vehicle width direction than the boundary between the side surface portion and the connecting portion of the fender panel. Thereby, since the deformation | transformation starting from the inflection point of the 1st vertical wall and 2nd vertical wall of a fender bracket can be accelerated | stimulated, it becomes possible to raise the effect mentioned above.

  The fender panel may have a stepped portion that is disposed between the upper edge of the side surface portion and the connecting portion and protrudes toward the vehicle interior side. Thereby, since a deformation | transformation of a fender panel is accelerated | stimulated, load absorption performance can further be improved.

  ADVANTAGE OF THE INVENTION According to this invention, a bracket can be deform | transformed reliably and easily, and the vehicle body side part structure which can acquire high load absorption performance can be provided.

1 is an overall view of a vehicle body side part structure according to an embodiment. It is an enlarged view of the fender bracket vicinity of FIG. FIG. 3 is a detailed view of the fender bracket of FIG. 2. It is a schematic diagram of the AA cross section of FIG.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. The dimensions, materials, and other specific numerical values shown in the embodiments are merely examples for facilitating understanding of the invention, and do not limit the present invention unless otherwise specified. In the present specification and drawings, elements having substantially the same function and configuration are denoted by the same reference numerals, and redundant description is omitted, and elements not directly related to the present invention are not illustrated. To do.

  FIG. 1 is an overall view of a vehicle body side structure 100 according to the present embodiment, and illustrates a state in which a fender panel 110 described later is observed from the vehicle interior side. FIG. 2 is an enlarged view of the vicinity of the fender bracket 130 of FIG. In the present embodiment, the dash side front panel 150 is exemplified as the vehicle body structural member, but the present invention is not limited to this, and the present invention is applied even when the fender panel 110 is connected to another vehicle body structural member. Is possible.

  As illustrated in FIG. 1, the vehicle body side structure 100 of this embodiment includes a fender panel 110, a fender bracket 130, and a dash side front panel 150 that is a vehicle body structural member. The fender panel 110 is a member constituting a side surface of a vehicle front portion of a vehicle (the whole is not shown), and a dash side front panel 150 is disposed on the inner side in the vehicle width direction. The fender panel 110 and the dash side front panel 150 are connected by a fender bracket 130 disposed below the connecting portion 120 of the fender panel 110 and above the dash side floor panel.

  As shown in FIG. 1, the fender panel has a side surface portion 112 and a connecting portion 120. The side surface portion 112 (design surface) is disposed on the outer side in the vehicle width direction, and extends in the vehicle front-rear direction to constitute the side surface of the vehicle front portion. The connecting portion 120 extends from the upper edge 112 a of the side surface portion 112 toward the vehicle inner side, and is connected to the dash side front panel 150 via the fender bracket 130.

  As shown in FIG. 2, in the present embodiment, the connecting portion 120 of the fender panel 110 includes a first inclined portion 122, a second inclined portion 124, and a horizontal portion 126. The first inclined portion 122 extends downward while inclining from the upper edge 112a of the side surface portion 112 toward the vehicle inner side. A second inclined portion 124 that is bent so as to be in a posture closer to the horizontal than the first inclined portion 122 extends further downward from the end of the first inclined portion 122 toward the vehicle inner side. A horizontal portion 126 fixed to the fender bracket 130 extends horizontally toward the vehicle inner side from the vehicle inner end of the second inclined portion 124.

  FIG. 3 is a detailed view of the fender bracket 130 of FIG. 2, and shows a state observed from the outside of the vehicle with the fender panel 110 not shown in the vehicle body side structure 100 shown in FIG. As shown in FIGS. 2 and 3, the fender bracket 130 includes a first fixing portion 132, a first vertical wall 134, a second vertical wall 136, and a second fixing portion 138.

  The first fixing portion 132 extends horizontally, and the dash side front panel 150 disposed inside the side surface portion 112 of the fender panel 110 and below the horizontal portion 126 is fixed. A first vertical wall 134 extends upward from an end of the first fixed portion 132 on the vehicle inner side. From the upper end of the first vertical wall 134, the second vertical wall 136 extends further upwardly toward the vehicle inner side.

  From the upper end of the second vertical wall 136, the second fixing portion 138 extends horizontally toward the inner side in the vehicle width direction. By fixing the horizontal portion 126 of the connecting portion 120 described above to the second fixing portion 138, the horizontal portion 126 and the dash side front panel 150 are connected by the fender bracket 130.

  FIG. 4 is a schematic diagram of the AA cross section of FIG. 1, FIG. 4A illustrates the state before deformation, and FIG. 4B illustrates the state after deformation. In order to facilitate understanding, in FIG. 4, the front hood 160 (the hood outer 162 and the hood inner 164) not shown in FIG. Hereinafter, the boundary between the first inclined portion 122 and the second inclined portion 124 of the connecting portion 120 is referred to as an inflection point A, and the boundary between the first vertical wall 134 and the second vertical wall 136 of the fender bracket 130 is referred to as an inflection point B. Called.

  As shown in FIG. 4A, a front hood 160 that includes a hood outer 162 and a hood inner 164 and that constitutes the upper surface of the front portion of the vehicle is disposed inside the fender panel 110 in the vehicle width direction. In the state before deformation, that is, in the normal state, the upper edge 112a of the fender panel 110 is located on the extension of the front hood 160. From this state, when a collision load is applied at the collision point P, the fender panel 110 is deformed so that the connecting portion 120 is inclined downward inward in the vehicle width direction as shown in FIG.

  When a collision load is applied to the collision point P, the front hood 160 near the collision point P is also deformed downward. However, in this embodiment, in order to facilitate understanding of the deformation of the fender panel 110 in FIGS. 4 (a) and 4 (b), the front hood 160 that is not deformed in FIG. 4 (b) is illustrated. Show.

  At this time, as shown in FIG. 4B, the connecting portion 120 is deformed so as to move to the vehicle interior starting from an inflection point A that is a boundary between the first inclined portion 122 and the second inclined portion 124. Then, the fender bracket 130 is deformed so as to fall to the inside of the vehicle starting from an inflection point B that is a boundary between the first vertical wall 134 and the second vertical wall 136.

  As described above, when the fender bracket 130 is deformed with the inflection point B as a starting point, the collision load is absorbed, and the load applied to the collision target (not shown) is reduced. In particular, in the present embodiment, the deformation of the fender bracket 130 is promoted by the connecting portion 120 being deformed toward the vehicle interior starting from the inflection point A due to the collision load. Thereby, the load absorption performance by deformation | transformation of the fender bracket 130 can be improved.

  In the present embodiment, the connecting portion 120 of the fender panel 110 is in a state where the portions other than the horizontal portion 126, that is, the first inclined portion 122 and the second inclined portion 124 are inclined with respect to the fender bracket 130. For this reason, the connecting portion 120 does not hinder the deformation of the fender bracket 130. Therefore, the fender bracket 130 can be reliably and easily deformed.

  Further, in the present embodiment, as shown in FIG. 4A, the inflection point B of the fender bracket 130 is located outside the boundary between the side surface portion 112 and the connecting portion 120 of the fender panel 110, that is, the upper edge 112a in the vehicle width direction. Is arranged. Thereby, the deformation | transformation from the inflection point B of the fender bracket 130 can be accelerated | stimulated. Therefore, the above-described effect can be enhanced.

  4 (a) and 4 (b), in the vehicle body side structure 100 of the present embodiment, the fender panel 110 is provided between the upper edge 112a of the side surface portion 112 and the connecting portion 120. It has a step 114 that protrudes inward. Thereby, the deformation | transformation of the fender panel 110 and by extension, the fender bracket 130 can further be accelerated | stimulated. Therefore, the above-described effect can be further enhanced.

  As mentioned above, although preferred embodiment of this invention was described referring an accompanying drawing, it cannot be overemphasized that this invention is not limited to the example which concerns. It will be apparent to those skilled in the art that various changes and modifications can be made within the scope of the claims, and these are naturally within the technical scope of the present invention. Understood.

  INDUSTRIAL APPLICABILITY The present invention can be used for a vehicle body side part structure including a fender panel having a side part that constitutes a side face of a vehicle front part.

DESCRIPTION OF SYMBOLS 100 ... Car body side part structure, 110 ... Fender panel, 112 ... Side surface part, 112a ... Upper edge, 114 ... Step part, 120 ... Connection part, 122 ... 1st inclination part, 124 ... 2nd inclination part, 126 ... Horizontal part , 130 ... Fender bracket, 132 ... First fixing part, 134 ... First vertical wall, 136 ... Second vertical wall, 138 ... Second fixing part, 150 ... Dash side front panel, 160 ... Front hood, 162 ... Hood outer, 164 ... Food Inner

Claims (4)

In a vehicle body side structure including a fender panel having a side surface that forms a side surface of a vehicle front portion,
The fender panel has a connecting portion extending from the upper edge of the side portion toward the vehicle interior side,
The connecting portion is
A first inclined portion extending downward from the upper edge of the side portion toward the vehicle interior;
A second inclined portion that is bent so as to be in a more horizontal posture at an end portion on the vehicle inner side of the first inclined portion and further extends downward toward the vehicle inner side;
A horizontal portion extending horizontally from the end on the vehicle inner side of the second inclined portion toward the vehicle inner side,
The vehicle body side structure is
A vehicle body structural member disposed inside the side surface portion of the fender panel and below the horizontal portion;
A vehicle body side part structure comprising a fender bracket for connecting the horizontal part and the vehicle body structural member. The fender bracket is
A first fixing portion fixed to the vehicle body structural member;
A first vertical wall extending upward from the first fixed portion;
A second vertical wall bent at the upper end of the first vertical wall and extending further upward toward the vehicle interior;
The vehicle body side structure according to claim 1, further comprising a second fixing portion that extends horizontally from an upper end of the second vertical wall toward an inner side in a vehicle width direction and is fixed to the horizontal portion.   The vehicle body side according to claim 2, wherein a boundary between the first vertical wall and the second vertical wall of the fender bracket is located on the outer side in the vehicle width direction with respect to a boundary between the side surface portion and the connecting portion of the fender panel. Part structure.   The said fender panel has a level | step-difference part which is arrange | positioned between the upper edge of the said side part, and the said connection part, and protrudes toward a vehicle inner side, It is any one of Claim 1 to 3 characterized by the above-mentioned. Car body side structure.

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