JP2008105474A - Structure for mounting bumper on vehicle body - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a structure for mounting a bumper on a vehicle body capable of easily and reliably mounting a bumper facia on a fender panel. <P>SOLUTION: A tongue-shaped flange 11 having an opening part 12 is provided on a rear end 1b of each side part 1a of a bumper facia 1, and a mounting bracket 10 is mounted on a mounting flange 13 formed on a front end 2a of a fender panel 2. The mounting bracket 10 comprises a guide holding unit 16 in which the tongue-shaped flange 11 is inserted and guided vertically, and a claw part 17 which engages the tongue-shaped flange 11 with the guide holding unit 16 in the opening part 12 of the tongue-shaped flange 11 at the predetermined moving position in the vertical direction. By inserting the tongue-shaped flange 11 in the guide holding unit 16 and lifting it by a predetermined amount, the bumper facia 1 can be easily and reliably mounted on the fender panel 2 in a single operation without expanding both side parts 1a, and prevent the fender panel 2 from being damaged. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a bumper vehicle body mounting structure in which both ends of a bumper fascia are coupled to a fender panel.

  In recent automobiles, the bumper fascia attached to the front and rear ends of the car body has been designed to form a part of the car body, and the bumper fascia is on both sides in the vehicle width direction. It is bent or curved in the direction so as to be substantially U-shaped as a whole in plan view, and both ends in the vehicle width direction are coupled to the fender panel.

  At this time, for example, there is one in which the bumper fascia is coupled to the fender panel via a clip.

In this case, the clip has a clip body portion with a U-shaped cross section and is attached to the mounting portion of the fender panel, while a flange portion formed at the top of the bumper fascia is inserted into the U-shaped portion of the clip body portion. (See, for example, Patent Document 1).
JP 2003-231448 A

  However, in such a conventional bumper vehicle body mounting structure, both ends of the bumper fascia formed in a substantially U shape are inserted into the vehicle body while being widened, and the both ends are aligned with the mounting portion of the fender panel. Become.

  At this time, when it is judged that the flange portion of the fender panel coincides with the U-shaped portion of the clip body portion by eye examination, the hand is released from the end of the bumper fascia that has been spread out, but the hand is released. It may be difficult to insert the flange portion into the clip main body portion with certainty, and the mounting workability of the bumper fascia will deteriorate.

  In addition, if the flange portion is forced to be fitted with the flange portion detached from the clip in this way, the bumper fascia rides on the fender panel and may be damaged.

  Therefore, an object of the present invention is to obtain a vehicle body mounting structure for a bumper that can easily and surely mount a bumper fascia to a fender panel without expanding both sides thereof.

  In the present invention, in a vehicle body mounting structure for a bumper in which both ends in the vehicle width direction of the bumper fascia are coupled to the fender panel, the tongue having a first engaging portion at the mounting end of the bumper fascia to the fender panel. A guide holding portion for inserting the tongue-shaped flange into the bumper mounting end of the fender panel and guiding the tongue-shaped flange in the vertical direction, and a predetermined moving position of the tongue-shaped flange in the guide holding portion in the vertical direction. The most important feature is that a mounting bracket having a second engaging portion that engages with the first engaging portion is provided.

  According to the present invention, the tongue-shaped flange of the bumper fascia is inserted into the guide holding portion of the mounting bracket provided on the fender panel and moved in the vertical direction by a predetermined amount. Can be engaged with the second engaging portion to couple the tongue-shaped flange and the mounting bracket.

  That is, by inserting the tongue-shaped flange into the guide holding part and moving the bumper fascia in the vertical direction, the first engaging part and the second engaging part are engaged, so that the bumper fascia is attached to both sides thereof. It can be easily and more securely attached to the fender panel with one touch without spreading.

  Therefore, it is possible to simplify the mounting work of the bumper fascia, and to prevent the both sides of the bumper fascia from riding on the fender panel and being damaged.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments of the invention will be described in detail with reference to the drawings. 1 is a perspective view showing a state where a bumper fascia is to be attached to a fender panel, FIG. 2 is an enlarged perspective view of a portion A in FIG. 1, and FIG. 3 is a cross-sectional view taken along line BB in FIG. 4 is an enlarged cross-sectional view taken along the line CC in FIG. 3, FIG. 5 is an enlarged cross-sectional view taken along the line DD in FIG. 3, and FIG. It is an expanded sectional view shown.

  In the present embodiment, as shown in FIG. 1, a case where the present invention is applied to a portion where the bumper fascia 1 of the front bumper provided at the front end portion of the vehicle is attached to the fender panel 2 is illustrated.

  The bumper fascia 1 covers the outside of the bumper reinforcement, and is usually formed of a synthetic resin and extends in the vehicle width direction. Both side portions 1a in the vehicle width direction are bent or curved in the vehicle front-rear direction. It is formed in a substantially U shape as a whole in a plan view, and rear end portions 1 b of both side portions 1 a are coupled to the front end portion 2 a of the fender panel 2 via the mounting bracket 10.

  That is, as shown in FIG. 2, a tongue-like flange 11 is provided at an end of the bumper fascia 1 attached to the fender panel 2, that is, a rear end 1 b of both side portions 1 a. An opening 12 is formed as an engaging portion.

  In the present embodiment, the tongue-like flange 11 is formed by bending the rear ends 1b of the both side portions 1a of the bumper fascia 1 inward of the vehicle, and forming the tip portions of the bent portions in an uneven shape to form a trapezoidal shape. Three tongue-like flanges 11 are formed.

  On the other hand, the bumper mounting end of the fender panel 2 is the front end 2a of the fender panel 2, and the front end 2a of the fender panel 2 is bent inward of the vehicle to form the mounting flange 13 of the mounting bracket 10. The mounting flange 13 is formed with three mounting holes 14 in the vertical direction, and three mounting projections 15 projecting from the mounting bracket 10 are fitted into the mounting holes 14.

  As shown in FIG. 4, a locking portion 15 a that is spring-biased in the protruding direction is provided on the side surface of the mounting protrusion 15, and the locking portion 15 a is inserted in the mounting hole 14. The attachment protrusion 15 is prevented from coming off by being locked to the rear peripheral edge of the attachment hole 14.

  Here, the mounting bracket 10 includes a guide holding portion 16 that inserts the tongue-shaped flange 11 and guides the tongue-shaped flange 11 in the vertical direction. And a claw portion 17 as a second engagement portion that engages with the opening portion 12.

  Among these, the guide holding part 16 is cross-sectioned by front and rear side surfaces 16a and 16b and a connecting part 16c for connecting the vehicle inner sides of the front and rear side surfaces 16a and 16b so that the open side is disposed outside the vehicle. A claw portion 17 is formed on the front side surface 16a, and a mounting projection 15 projects from the outer side surface of the rear side surface 16b toward the rear of the vehicle.

  Three cutout portions 18 for inserting the trapezoidal tongue-shaped flange 11 are formed on the front side surface 16 a of the guide holding portion 16.

  The tongue-shaped flange 11 is inserted between the front and rear side surfaces 16a and 16b. The distance S between the front and rear side surfaces 16a and 16b is a dimension that is substantially equal to the thickness t of the tongue-shaped flange 11 or slightly. Is set to be large.

  On the other hand, as shown in FIG. 3, the claw portion 17 is configured by projecting a protrusion 17 b that is locked to the upper side of the opening 12 on the inner surface of the U-shaped slit 17 a formed on the front side surface 16 a. Has been. An elastic force is applied to the protrusion 17b by the U-shaped slit 17a.

  Therefore, by inserting the tongue-shaped flange 11 from the notch 18 and moving it upward in this embodiment, the tongue-shaped flange 11 is inserted into the guide holding portion 16 as shown by a two-dot chain line in FIG. In addition, when the tongue-shaped flange 11 moves upward by a predetermined amount, the claw portion 17 is fitted into the opening portion 12, and the opening portion 12 and the claw portion 17 are engaged with each other.

  Of the three cutouts 18, the upper two cutouts 18 are formed in a trapezoidal shape with the peripheral edge thereof substantially along the outer shape of the tongue-shaped flange 11, but the lowermost cutout 18 is The lower part is cut off, and the peripheral part is substantially L-shaped.

  On the inner surface of the guide holding portion 16 of the mounting bracket 10 (in the present embodiment, the inner surface of the rear side surface 16b), as shown in FIGS. 3 to 5, a protrusion extending in the guide direction of the tongue-shaped flange 11 (that is, the vertical direction). On the other hand, the tongue-shaped flange 11 is provided with a recess 20 slidably engaged with the protrusion 19.

  Moreover, in this embodiment, the shelf part 21 which temporarily mounts the tongue-shaped flange 11 is provided in the lower edge part of the notch part 18 of two upper places among the notch parts 18 of three places.

  Further, in the present embodiment, the lowermost tongue-shaped flange 11 among the three tongue-shaped flanges 11 provided in the vertical direction is directly attached to the mounting bracket via a screw 22 as a fastening member as shown in FIG. 10 is fixed.

  That is, as shown in FIG. 2, the opening 12 provided in the upper two tongue-shaped flanges 11 is not formed in the lowermost tongue-shaped flange 11. Instead, the insertion hole 23 of the screw 22 is formed. Is formed. In addition, the claw portion 17 is not formed even on the front side surface 16a of the portion corresponding to the tongue-shaped flange 11 in the mounting bracket 10, and instead of this, an insertion hole 24 of the screw 22 is formed. Further, as shown in FIG. 6, a female screw portion 25 is formed so as to penetrate the rear side surface 16 b and the mounting protrusion 15 coaxially with the insertion hole 24.

  Then, with the tongue-shaped flange 11 fitted between the front and rear side surfaces 16a and 16b, the screw 22 inserted into the insertion holes 23 and 24 is screwed into the female screw portion 25 and tightened.

  In the above configuration, when mounting the bumper facer 1, first, the mounting protrusion 15 of the mounting bracket 10 is inserted into the mounting hole 14 formed in the mounting flange 13 of the fender panel 2, and the front end 2 a of the fender panel 2 is inserted. The mounting bracket 10 is attached.

  Then, the tongue-like flange 11 of the bumper fascia 1 is inserted from the notch 18 formed in the guide holding part 16 of the mounting bracket 10 and disposed between the front and rear side surfaces 16a and 16b of the guide holding part 16, and this By moving the tongue-shaped flange 11 upward by a predetermined amount in this state, the opening 12 of the tongue-shaped flange 11 is engaged with the claw portion 17 of the guide holding portion 16, and the tongue-shaped flange 11 and the mounting bracket 10 are coupled. can do.

  That is, the side part 1a of the bumper fascia 1 is moved rearward of the vehicle, the tongue flange 11 is inserted into the guide holding part 16 through the notch part 18, and the bumper fascia 1 is lifted upward by a predetermined amount in this state. Thus, the opening 12 and the claw portion 17 are engaged, and the bumper fascia 1 can be easily and reliably attached to the fender panel 2 with one touch without spreading the both side portions 1a.

  Therefore, it is not necessary to push both sides 1a of the bumper fascia 1 in the expanding direction, so that the mounting work of the bumper fascia 1 is simplified and the both sides 1a of the bumper fascia 1 ride on the fender panel 2 and are damaged. Can be prevented.

  In the present embodiment, since the notch 18 is formed in the guide holding part 16, the tongue-like flange 11 can be moved toward the rear of the vehicle and inserted into the guide holding part 16, so that the bumper fascia 1 The tongue-shaped flange 11 can be inserted into the guide holding part 16 simply by pushing in from the front to the rear, and the mounting work of the bumper fascia 1 becomes easier.

  Further, a convex strip 19 extending in the guide direction of the tongue-shaped flange 11 is provided on the inner surface of the guide holding portion 16 of the mounting bracket 10, while a concave portion 20 slidably engaged with the convex strip 19 is provided on the tongue-shaped flange 11. Since the protrusions 19 and the recesses 20 engage with each other in the vehicle width direction and serve as a guide for sliding the tongue-shaped flange 11 upward, the opening 12 is securely engaged with the claw portion 17. In addition, the tongue-shaped flange 11 can be prevented from coming out of the open side of the guide holding portion 16 having a U-shaped cross section.

  Furthermore, since the shelf portion 21 on which the tongue-like flange 11 is temporarily placed is provided at the lower edge portion of the notch portion 18 formed in the guide holding portion 16, when the bumper fascia 1 is inserted into the guide holding portion 16, The shaped flange 11 can be temporarily placed on the shelf 21. For this reason, the tongue-shaped flange 11 can be inserted into the guide holding part 16 more accurately and reliably, and the insertion work can be further simplified.

  In addition, one of the plurality of tongue-shaped flanges 11 provided in the vertical direction, in this embodiment, the lowermost tongue-shaped flange 11 is directly fixed to the mounting bracket 10 via the screw 22, so that a large vibration occurs during traveling. Even when is input, the disengagement between the opening 12 of the tongue-shaped flange 11 and the claw portion 17 of the guide holding portion 16 can be reliably prevented.

  The preferred embodiment of the present invention has been described above, but the present invention is not limited to the above embodiment, and various modifications can be made. For example, the present invention can be applied to a rear bumper without being limited to a front bumper.

  Moreover, in the said embodiment, although the 1st engaging part was used as the opening part 12 and the 2nd engaging part was used as the nail | claw part 17, these are reversed and the 1st engaging part is used as the claw part 17 and 2nd. The engaging portion may be the opening 12.

  Moreover, although the recessed part 20 formed in the tongue-shaped flange 11 and the protruding item | line 19 formed in the guide holding | maintenance part 16 were engaged in the vehicle width direction, a convex part was formed in the tongue-shaped flange 11, and a guide holding | maintenance part A concave line may be formed in 16.

The perspective view which shows the state which is going to attach the bumper fascia concerning one Embodiment of this invention to a fender panel. The expansion perspective view of the A section in FIG. Sectional drawing along the BB line in FIG. The expanded sectional view along CC line in FIG. The expanded sectional view along the DD line in FIG. The expanded sectional view which shows the attachment state of the E section in FIG.

Explanation of symbols

1 Bumper facer 1b Rear end of bumper facer (attachment end to fender panel)
2 Fender panel 2a Fender panel front end (bumper mounting end)
DESCRIPTION OF SYMBOLS 10 Mounting bracket 11 Tongue-shaped flange 12 Opening part (1st engaging part)
16 Guide holding portion 16a Front side surface 17 Claw portion (second engaging portion)
18 notch 19 ridge 20 recessed portion 21 shelf 22 screw (fastening member)

Claims (4)

In the vehicle body mounting structure of the bumper where both ends in the vehicle width direction of the bumper fascia are joined to the fender panel,
Provide a tongue-like flange having a first engagement portion at the end of the bumper fascia attached to the fender panel;
A guide holding part that inserts the tongue-shaped flange into the bumper mounting end of the fender panel and guides it in the vertical direction, and the first engaging member at the predetermined movement position in the vertical direction on the guide holding part. A bumper vehicle body mounting structure comprising a mounting bracket including a second engaging portion that engages with a joint portion.   A protrusion or recess that extends in the guide direction of the tongue-shaped flange is provided on the inner surface of the guide holding portion of the mounting bracket, and a recess or protrusion that slidably engages with the protrusion or recess on the tongue flange. The bumper body mounting structure according to claim 1, further comprising a portion.   A notch for inserting the tongue-shaped flange into the guide holding portion is formed on the front side surface of the mounting bracket, and a shelf portion for temporarily placing the tongue-shaped flange is provided at the lower edge of the notch. The vehicle body mounting structure for a bumper according to claim 1 or 2.   The tongue flange is provided in a plurality in the vertical direction, and at least one of the plurality of tongue flanges is directly fixed to the mounting bracket via a fastening member. The bumper body mounting structure described in 1.

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