JP2008100600A - Fender mounting structure for automobile - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a fender mounting structure for an automobile suppressing damage to an apron panel at light collision regardless of design of a fender panel. <P>SOLUTION: The fender mounting structure for the automobile is provided with the fender panel 1 arranged with a headlamp adjacent to a front part; the apron panel 8 positioned at a lower part of the fender panel 1; a support bracket 26 arranged adjacent to a rear side of the headlamp at the same height as the headlamp and mounting the front part of the fender panel 1 to the apron panel 8; and a removal part 26g for removing connection of the support bracket 26 and the apron panel 8 when the headlamp is rearwardly retreated and is brought into contact with the support bracket 26. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to an automobile fender mounting structure in which a headlamp is attached to a front part of a lower part of a fender panel and a front part is attached to an apron panel via a support bracket.

  In general, an apron panel provided with a suspension tower is provided on the side of the engine room, and a fender panel is provided outside the apron panel in the vehicle width direction.

  As a vehicle fender mounting structure for mounting the above-described fender panel to an apron panel, there is a structure disclosed in Patent Document 1.

  That is, a support bracket extending toward the vehicle center side is provided at the front of the fender panel, and the inner end side of the support bracket in the vehicle width direction is fixed to the apron panel. That is, the front part of the fender panel is fixed to the apron panel via the support bracket.

The above-mentioned fender panel has a front-end recessed portion for arranging a headlamp, and a vehicle design in which a large headlamp can be attached between the front end of the fender panel and the front bumper at the front corner of the vehicle. When the (fender panel design) is adopted, the fender panel, headlamp, and bumper face are damaged in the case of a light frontal collision of the vehicle, but the fender panel is fixed to the apron panel through the support bracket even if it is unavoidable. In such a case, there is a problem that the apron panel is damaged by the support bracket when the headlamp moves backward and comes into contact with the support bracket in such a light collision.
JP 2006-15810 A

  In view of this, the present invention provides a structure in which the front bracket is attached to the apron panel at the lower part of the fender panel adjacent to the head lamp and the front lamp is attached to the apron panel via the support bracket. Arranged so that the connection between the support bracket and the apron panel is disengaged when the headlamp retracts backward and contacts the support bracket, regardless of the design of the fender panel, An object of the present invention is to provide an automobile fender mounting structure capable of suppressing damage to an apron panel at the time of a light collision.

The automobile fender mounting structure according to the present invention includes a fender panel having a headlamp adjacent to the front, an apron panel positioned at the bottom of the fender panel, and adjacent to the rear of the headlamp at the same height as the headlamp. And a support bracket for attaching the front part of the fender panel to the apron panel, and a detaching part for releasing the connection between the support bracket and the apron panel when the headlamp moves backward and contacts the support bracket. It is characterized by that.
According to the above configuration, when the headlamp moves backward and comes into contact with the support bracket at the time of a light vehicle collision, the connection between the support bracket and the apron panel can be released at the release portion.
As a result, the apron panel can be prevented from being damaged during a light collision regardless of the design of the fender panel.

In one embodiment of the present invention, an attachment member for connecting the support bracket and the apron panel, and an attachment portion of the support bracket with respect to the apron panel, the headlamp is moved backward to come into contact with the support bracket. And a slit for releasing the connection between the bracket and the apron panel.
According to the above configuration, since the above-described slit is formed in the mounting portion of the support bracket with respect to the apron panel, when the headlamp moves backward and contacts the support bracket during a light vehicle collision, the mounting portion of the support bracket is Since the slit reliably removes from the apron panel, damage to the apron panel during a light collision can be reliably suppressed.

In one embodiment of the present invention, an inclined surface of the front part of the wheel arch of the apron panel connecting the support bracket is provided.
According to the above configuration, since the support bracket is connected to the inclined surface at the front part of the wheel arch of the apron panel, when the attachment part of the support bracket is detached during a light collision, the attachment part of the support bracket is attached to the wheel arch. It can be retracted upward and backward along the inclined surface.

In one embodiment of the present invention, the support bracket is configured such that the upper portion is inclined forward with respect to the lower portion, and the rear end portion of the headlamp facing the support bracket. And an abutting portion that abuts against the bridging portion when retracted backward.
According to the above configuration, when the headlamp moves backward, the bridging portion of the support bracket is pressed backward by the contact portion provided at the rear end portion of the headlamp. Thus, it can be surely detached from the apron panel, and after the separation, the mounting portion of the support bracket can be reliably retreated upward and backward along the inclined surface of the wheel arch. In addition, the contact bracket can prevent the support bracket from undesirably moving downward.

In one embodiment of the present invention, the rigidity of the bridging portion of the support bracket is made larger than the rigidity of the attachment portion to the apron panel.
According to the above configuration, in the event of a light collision, before the attachment portion of the support bracket is detached, the attachment portion of the support bracket is prevented from being deformed by the deformation of the bridging portion of the support bracket. Can be detached.

In one embodiment of the present invention, it is provided with a U-shaped cross-sectional portion constituting a bridging portion, and a flat plate portion constituting an attaching portion to an apron panel of a support bracket and having the slit formed therein. .
According to the above configuration, since the difference in rigidity is formed between the U-shaped cross-sectional portion and the flat plate portion, it is possible to easily process the support bracket having the characteristic that the mounting portion is always removed first.

  According to the present invention, in the structure in which the headlamp is attached to the apron panel at the lower part of the fender panel adjacent to the headlamp and the front lamp is attached to the apron panel via the support bracket, the support bracket is rearward at the same height as the headlamp. In addition to being arranged adjacent to each other, when the headlamp is moved backward and comes into contact with the support bracket, the connection between the support bracket and the apron panel is released. There is an effect of suppressing the damage of the apron panel at the time of collision.

Regardless of the design of the fender panel, the apron panel with the headlamp adjacent to the front, with the purpose of suppressing damage to the apron panel at the time of a light collision of the vehicle,
An apron panel located at the bottom of the fender panel, a support bracket that is arranged at the same height as the headlamp and adjacent to the rear of the headlamp, and that attaches the front part of the fender panel to the apron panel, and the headlamp retracts backward And a separation part for releasing the connection between the support bracket and the apron panel when the support bracket is contacted.

An embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows a fender mounting structure of an automobile. In FIG. 1, a fender panel 1 is provided which forms a vehicle body outer plate on the side of the front of the vehicle, located outside the engine room in the vehicle width direction. A headlamp 3 is disposed between the front portion and the upper corner portion of the front bumper face 2.

  In FIG. 1, 4 is a hood that covers the upper part of the engine room, 5 is a front window glass, 6 is a front door, and 7 is a front wheel.

  2, 3, and 4 are perspective views showing the front body structure viewed from different directions with the bonnet 4 and the like removed, and an apron panel 8 that forms the side wall of the engine room E is provided. The apron panel 8 is disposed so as to be located inward and in the lower part of the fender panel 1 in the vehicle width direction. The apron panel 8 includes a suspension tower portion 8a, a wheel arch front portion 8b, and a wheel arch rear portion 8c.

  The rear end of the engine room E is partitioned from the vehicle compartment by a dash lower panel 9, and a dash upper panel 10 is provided on the upper portion of the dash lower panel 9.

  5 is a front view of the main part, FIG. 6 is a plan view of FIG. 5 with the fender panel 1 removed, and FIG. 7 is a cross-sectional view taken along line AA in FIG. On the other hand, a front side frame 11 is provided as a vehicle body rigid member extending in the longitudinal direction of the vehicle.

  The front side frame 11 includes a closed cross section 15 that joins a front side frame outer 12, a reinforcement 13, and a front side frame inner 14 and extends in the front-rear direction of the vehicle.

  As shown in FIGS. 5 to 7, an apron reinforcement as a vehicle body rigid member extending in the front-rear direction of the vehicle is located at a position outwardly in the vehicle width direction and spaced apart from the front side frame 11 described above. 16 is provided.

  The apron reinforcement 16 includes a closed section 19 that joins an apron reinforcement upper 17 and an apron reinforcement lower 18 and extends in the front-rear direction of the vehicle.

  The apron panel 8 described above is located between the apron reinforcement 16 and the front side frame 11, and the apron 8 has an upper end 8d of the front portion 8b of the wheel arch, as shown in FIGS. It is clamped and fixed between the reinforcement upper 17 and the apron reinforcement lower 18.

  Further, an apron reinforcement front 20 is provided along the lower surface of the wheel arch front portion 8b described above, and the upper end 20a of the apron reinforcement front 20 is joined and fixed to the lower surface of the apron reinforcement lower 18. The lower end 20b of the apron reinforcement front 20 is joined and fixed to the outer surface (surface on the vehicle outer side) of the joining flange portion of the front side frame outer 12.

  By the way, as shown in FIGS. 2, 3, 4, and 7, the above-described fender panel 1 is formed on a side plate portion 1a as a panel main body forming a vehicle body outer plate and on an upper end of the side plate portion 1a. Corresponding to the parting part 1b, a flange part 1c stepped down on the parting part 1b, a recessed part 1d for disposing the headlamp 3 formed in the front part of the side plate part 1a, and a lower side of the recessed part 1d. And a mounting piece 1e formed in a step-down manner at the front of the side plate portion 1a.

  Further, as shown in FIG. 7, a fender reinforcement 21 is disposed along the surface on the engine room E side of the fender panel 1 from the upper lower surface to the lower inner surface of the fender panel 1 described above. The fender panel 1 is reinforced by 21.

  As shown in FIG. 3, the front and rear of the flange portion 1 c of the fender panel 1 are attached to the front and rear of the suspension tower 8 a of the apron panel 8 via bolts, nuts 22 and 23, and two types of brackets 24 and 25. .

  As shown in FIGS. 2-6, the support bracket 26 which attaches the attachment piece 1e of the fender panel 1 and the wheel arch front part 8b in the apron panel 8 is provided.

  The support bracket 26 is disposed adjacent to the rear of the headlamp 3 at the same height as the headlamp 3 as shown in FIG. The fender panel 1 extends from the attachment piece 1e toward the wheel arch front portion 8b of the apron panel 8 inward in the vehicle width direction.

  Further, as shown in the front view in FIG. 5 and in the plan views in FIGS. 6 and 9, the support bracket 26 is substantially front and rear corresponding to the shape of the mounting piece 1e of the fender panel 1 on the vehicle exterior side. There is a mounting piece 26a oriented in the direction, and there is a mounting piece 26b connected to the inclined surface 8s of the wheel arch front portion 8b of the apron panel 8 between the mounting pieces 26a and 26b. They are integrally connected by a bridging portion 26c.

  FIG. 10 is an enlarged cross-sectional view (side view) of a main part taken along line B-B in FIG. 5, and the above-described support bracket 26 is configured such that the upper part thereof is inclined forward with respect to the lower part.

  As shown in FIGS. 5, 6, 9, and 10, the bridging portion 26 c of the support bracket 26 described above includes an upper piece 26 d having a front low height and a low height, a lower piece 26 e having a front height, a rear low shape, and a front piece 26 e. A low-cross-height lower piece 26f is integrally formed in a U-shaped cross section 26X, and a mounting piece 26b as a mounting portion of the support bracket 26 is formed by a flat plate portion 26Y in which a slit 26g is formed. It is configured.

  That is, the rigidity of the bridging portion 26c of the support bracket 26 described above is greater than the rigidity of the attachment portion (see the attachment piece 26b) of the apron panel 8 to the inclined surface 8s of the wheel arch front portion 8b.

  As shown in FIGS. 5 and 10, the mounting piece 26b on the inner side of the support bracket 26 is formed on the front portion 8b of the apron panel 8 using bolts 27 and nuts 28 as mounting members at the slit 26g forming portion. As shown in FIG. 5, the attachment piece 26 a on the vehicle exterior side of the support bracket 26 is connected to the attachment piece 1 e of the fender panel 1 using a fastening member 29 such as a bolt or a nut.

  Here, the above-described slit 26g is formed in the attachment portion (see the attachment piece 26b) of the support bracket 26 to the apron panel 8, and the head lamp 3 moves backward in the case of a light vehicle collision. This is a detachment part for releasing the connection between the support bracket 26 and the apron panel 8 when contacting the support bracket 26.

  In the embodiment shown in FIG. 9, the slit 26g described above is formed so as to be oriented in the lateral direction, but as shown in FIG. 11, the slit 26g is directed obliquely forward with its open end directed toward the center in the vehicle width direction. It may be formed.

  By the way, the above-described headlamp 3 disposed in the concave portion 1d for disposing the headlamp of the fender panel 1 includes an outer lens 30, an inner lens 31, a lamp housing 32, a bulb 33, a reflector 34, as shown in FIG. Although having a rubber cover 35 and the like, the lower rear end portion of the lamp housing 32 facing the bridging portion 26c of the support bracket 26 in the front-rear direction is opposed to the support bracket 26 when the headlamp 3 is moved backward. An abutting portion 36 that abuts on the bridging portion 26 c is formed so as to protrude rearward integrally with the lamp housing 32.

  Since the above-described lamp housing 32 is made of synthetic resin, a rib 37 may be integrally formed with the corresponding contact portion 36 as shown in FIG. 12 for the purpose of reinforcing the strength of the contact portion 36.

  Although the fender mounting structure on the right side of the vehicle has been described in the illustrated embodiment, the fender mounting structure on the left side of the vehicle is configured symmetrically with that on the right side. In the figure, arrow F indicates the front of the vehicle, arrow IN indicates the inside of the vehicle, and arrow OUT indicates the outside of the vehicle.

The effect | action of the fender attachment structure of the motor vehicle comprised in this way is demonstrated below.
When the headlamp 3 moves backward due to the collision load at the time of a light vehicle collision (frontal collision), a contact portion 36 that protrudes rearward from the lamp housing 32 of the headlamp 3 is provided with a support bracket. 26 abuts on the bridging portion 26c.

  Since the input direction of the collision load to the bridging portion 26c of the support bracket 26 is the direction of arrow Z in FIG. 9, the slit 26g (detachment portion) formed in the mounting piece 26b of the support bracket 26 and the apron with the support bracket 26 The connection with the panel 8 (specifically, the wheel arch front portion 8b) is released.

  That is, since the support bracket 26 is formed so that the rigidity of the bridging portion 26c is higher than the rigidity of the mounting piece 26b, the bridging portion 26c is prevented from being deformed prior to the detachment of the mounting piece 26b. Thus, the mounting piece 26b can always be removed first.

  Since the attachment piece 26b of the support bracket 26 disconnected from the wheel arch front portion 8b by the slit 26g is retracted upward and rearward along the substantially arc-shaped inclined surface of the wheel arch front portion 8b, the apron panel 8 breakage can be suppressed.

  In short, at the time of a slight frontal collision of the vehicle, the fender panel 1, the headlamp 3, and the bumper face 2 are damaged, but the apron panel 8 is prevented from being damaged by the formation of the separation part (see the slit 26g). Therefore, repair and maintenance can be performed by replacing only damaged parts.

Thus, the automobile fender mounting structure of the above embodiment has the same height as the headlamp 3, the fender panel 1 in which the headlamp 3 is adjacent to the front, the apron panel 8 positioned below the fender panel 1, and the headlamp 3. A support bracket 26 that is disposed adjacent to the rear of the headlamp 3 and attaches the front portion of the fender panel 1 to the apron panel 8, and when the headlamp 3 moves backward and comes into contact with the support bracket 26, the support bracket 26 and a separation portion (see slit 26g) for separating the connection between the apron panel 8 and the apron panel 8.
According to this configuration, when the headlamp 3 moves backward and comes into contact with the support bracket 26 at the time of a light vehicle collision, the connection between the support bracket 26 and the apron panel 8 is performed at the separation portion (see the slit 26g). Can be removed.
As a result, regardless of the design of the fender panel 1, it is possible to suppress damage to the apron panel 8 during a light collision.

Further, an attachment member (see bolt 27 and nut 28) for connecting the support bracket 26 and the apron panel 8 and an attachment portion (see attachment piece 26b) of the support bracket 26 with respect to the apron panel 8 are formed, and the headlamp 3 is rearward. And a slit 26g for releasing the connection between the support bracket 26 and the apron panel 8 when the support bracket 26 is moved backward.
According to this configuration, since the above-described slit 26g is formed in the attachment portion of the support bracket 26 to the apron panel 8 (see the attachment piece 26b), the headlamp 3 moves backward to the support bracket 26 at the time of a light vehicle collision. When contacted, the mounting portion of the support bracket 26 (see the mounting piece 26b) is surely detached from the apron panel 8 by the slit 26g, so that damage to the apron panel 8 during a light collision can be reliably suppressed.

Furthermore, it has the inclined surface 8s of the wheel arch front part 8b of the apron panel 8 to which the support bracket 26 is connected.
According to this configuration, since the support bracket 26 is connected to the inclined surface 8s to the wheel arch front portion 8b of the apron panel 8, when the mounting portion (see the mounting piece 26b) of the support bracket 26 is detached during a light collision. The mounting portion side of the support bracket 26 can be retracted upward and rearward along the inclined surface 8s of the wheel arch front portion 8b.

In addition, a bridge portion 26c of the support bracket 26 configured so that the upper portion is inclined forward with respect to the lower portion and a rear end portion of the headlamp 3 facing the support bracket 26 are formed. And a contact portion 36 that contacts the bridging portion 26c when retracted.
According to this configuration, when the headlamp 3 moves backward, the bridging portion 26c of the support bracket 26 is pressed backward by the contact portion 36 provided at the rear end portion of the headlamp 3, so that the support bracket 26 The mounting portion (see the mounting piece 26b) is surely detached from the apron panel 8 by the slit 26g, and after the separation, the mounting portion side of the support bracket 26 is surely upward and along the inclined surface 8s of the wheel arch front portion 8b. Can be moved backwards. Further, the contact bracket 36 can prevent the support bracket 26 from undesirably moving downward.

Further, the rigidity of the bridging portion 26c of the support bracket 26 is made larger than the rigidity of the mounting portion (see the mounting piece 26b) to the apron panel 8.
According to this configuration, the attachment portion (attachment piece 26b) is caused by the deformation of the bridging portion 26c of the support bracket 26 before the attachment portion (see the attachment piece 26b) of the support bracket 26 is detached in a light collision. In this case, the attachment portion (see the attachment piece 26b) can always be removed first.

Furthermore, a U-shaped cross-section portion 26X constituting the bridging portion 26c and a flat plate portion 26Y constituting the attachment portion (see attachment piece 26b) of the support bracket 26 to the apron panel 8 and having the slit 26g formed thereon were provided. Is.
According to this configuration, since the difference in rigidity is formed between the U-shaped cross-section portion 26X and the flat plate portion 26Y, the mounting bracket (see the mounting piece 26b) must be provided with the characteristic that the mounting bracket 26 is always removed first. Can be easily processed.

In the correspondence between the configuration of the present invention and the above-described embodiment,
The separation part of the present invention corresponds to the slit 26g of the embodiment,
Similarly,
The mounting member corresponds to the bolt 27 and the nut 28,
The mounting portion of the support bracket to the apron panel corresponds to the mounting piece 26b.
The present invention is not limited to the configuration of the above-described embodiment.

Front side view of automobile with fender mounting structure Perspective view showing fender mounting structure of automobile Perspective view showing fender mounting structure of automobile Perspective view showing fender mounting structure of automobile Enlarged front view showing the fender mounting structure The top view of FIG. 5 shown with the fender panel removed. AA arrow sectional view of FIG. Side view showing related structure of headlamp and support bracket Enlarged plan view of support bracket Partial enlarged side view taken along line BB in FIG. The top view which shows the other Example of a slit The side view which shows the other Example of the contact part provided in the lamp housing

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Fender panel 3 ... Headlamp 8 ... Apron panel 8b ... Wheel arch front part 8s ... Inclined surface 26 ... Support bracket 26b ... Installation piece (attachment part)
26c ... Bridging part 26g ... Slit 26X ... U-shaped cross-section 26Y ... Flat plate part 27, 28 ... Mounting member 36 ... Abutting part

Claims (6)

An automobile fender mounting structure,
A fender panel with a headlamp adjacent to the front,
An apron panel located at the bottom of the fender panel;
A support bracket disposed adjacent to the rear of the headlamp at the same height as the headlamp, and attaching the front of the fender panel to the apron panel;
When the headlamp moves backward and comes into contact with the support bracket, a detachment part that disconnects the connection between the support bracket and the apron panel;
Fender mounting structure for automobiles equipped with A mounting member for connecting the support bracket and the apron panel;
The automobile according to claim 1, further comprising: a slit formed on a mounting portion of the support bracket with respect to the apron panel, wherein the headlamp retracts backward and contacts the support bracket, and the slit disengages the connection between the support bracket and the apron panel. Fender mounting structure. The fender mounting structure for an automobile according to claim 2, further comprising an inclined surface of a front part of a wheel arch of an apron panel connecting the support bracket. A bridge portion of the support bracket configured such that the upper portion is inclined forward with respect to the lower portion;
The fender mounting structure for an automobile according to claim 3, further comprising: an abutting portion that is formed at a rear end portion of the headlamp facing the support bracket and abuts against a bridging portion when the headlamp is moved backward. The automobile fender mounting structure according to any one of claims 2 to 5, wherein the rigidity of the bridging portion of the support bracket is greater than the rigidity of the mounting portion to the apron panel. 6. The fender mounting structure for an automobile according to claim 5, further comprising: a U-shaped cross-sectional portion constituting a bridging portion; and a flat plate portion constituting the attachment portion of the support bracket to the apron panel and having the slit formed therein.

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