JP2010100149A - Vehicle body rear structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To protect a rear lamp unit arranged above a bumper. <P>SOLUTION: The rear lamp unit 7 is mounted on a rear panel 5 of a vehicle body 1 via a lamp fitting tool 9, and located above a bumper 11 mounted on the vehicle body 1. The lamp fitting tool 9 comprises a pair of right and left brackets 35 at both ends in the vehicle width direction, and an intermediate bracket 36 located between the brackets 35. The rear lamp unit 7 has a lamp body 13 corresponding to the bracket 35, and a center decorative part 15 corresponding to the intermediate bracket 36. The pair of right and left brackets 35 have longitudinal wall parts 41, 43, 45 for respectively connecting an upper surface part 37 and a lower surface part 39 to each other, and has an engagement recess 55 for engaging a front end 63a of an upper part 63 of the bumper 11 on the lower surface part 39. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle body rear structure in which a rear lamp unit is disposed on an upper portion of a bumper provided at a vehicle body rear portion.

There is known a vehicle body rear structure in which a rear lamp unit attached to a rear part of a vehicle body is disposed on an upper part of a bumper, and the bumper is attached to the vehicle body via a bracket (for example, see Patent Document 1 below).
Utility Model Registration No. 2510836

  However, in the above-described conventional rear structure of the vehicle body, the rear lamp unit is located immediately behind the cargo compartment, so there is a risk that the rear lamp unit may be damaged by receiving a load due to a fall of a load or the like. When receiving a load due to a collision of the rear lamp, the rear lamp unit located above the rear lamp unit may be damaged due to an upward pushing load.

  Therefore, an object of the present invention is to protect the rear lamp unit arranged on the upper part of the bumper.

  The present invention attaches a rear lamp unit arranged at the upper part of the bumper to the rear part of the vehicle body via a bracket, and the bracket connects the upper and lower parts covering the upper and lower parts of the rear lamp unit, respectively, And a bumper movement restricting portion which is provided on the lower surface portion and engages with an upper portion of the bumper to restrict upward movement of the upper portion of the bumper.

  According to the present invention, the load acting from above the rear lamp unit is received by the vertical wall portion via the upper surface portion of the bracket, so that the rear lamp unit can be protected and the bumper is loaded by a collision or the like from the rear. With respect to the upward thrust load caused by receiving the bumper, the bumper movement restricting portion restricts the upward movement of the bumper, so that the rear lamp unit can be protected.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is an exploded perspective view of a vehicle body rear structure showing an embodiment of the present invention, and FIG. 2 is a vehicle rear perspective view provided with the vehicle body rear structure. The rear portion of the vehicle body 1 in the body of the automobile is provided with a door opening 3 for opening and closing a back door 2 (see FIG. 4). A rear lamp unit 7 is attached to a rear panel 5 below the door opening 3 with a lamp attached. Attach via tool 9.

  As shown in FIG. 2, the above-described rear lamp unit 7 is disposed on the upper part of the bumper 11 attached to the lower part of the vehicle body 1. The rear lamp unit 7 is attached to the vehicle body 1 with a lamp attachment 9 interposed therebetween.

  As shown in FIG. 3, the rear lamp unit 7 includes a pair of lamp main bodies 13 positioned at both ends in the vehicle width direction, and a central decorative portion 15 positioned between the pair of lamp main bodies 13.

  The lamp body 13 supports the bulb 17 and the bulb 17 as shown in FIG. 4A which is a cross-sectional view taken along the line AA of FIG. 3 with the rear lamp unit 7 and the bumper 11 attached to the vehicle body 1. And the inner cover 19 which covers the circumference | surroundings and the lens part 21 which covers the opening part of the vehicle body back of the inner cover 19 are provided, and it becomes a shape long in the vehicle width direction as a whole. On the other hand, the central decorative portion 15 is provided on the inner side of the central lens portion 23 and the central lens portion 23 in which the outer surfaces on the rear side of the vehicle body are substantially flush with the lens portion 21 of the lamp body 13 described above. And an inner housing 25.

  Further, a plurality of clips 27 projecting toward the front of the vehicle body are provided on the front side of the lamp body 13, and the clips 27 are provided on the rear panel of the vehicle body body 1 through the lamp fixture 9. The lamp body 13 is attached to the vehicle body 1 by engaging with the joint hole 5a. Furthermore, a mounting flange 29 protruding toward the front of the vehicle body is provided at the upper part of the inner end of the lamp body 13 in the vehicle width direction.

  On the other hand, the central decorative portion 15 includes mounting flanges 31 projecting toward the front of the vehicle body at the upper ends of both ends of the inner housing 25 in the vehicle width direction, and toward the front of the vehicle body toward the front of the vehicle body near both ends in the vehicle width direction. A protruding clip (not shown) is provided. This clip is inserted into the engagement hole 33 provided at the inner end of the lamp body 13 in the vehicle width direction and engaged. At this time, the mounting flange 31 of the central decorative portion 15 is overlaid on the mounting flange 29 of the lamp body 13.

  The lens portion 21 of the lamp body 13 and the central lens portion 23 of the central decorative portion 15 are continuous in the vehicle width direction in the assembled state as shown in FIG.

  As shown in FIG. 3, the lamp attachment 9 is attached to the rear panel 5 in the vicinity of the lower edge of the door opening 3, and a pair of left and right brackets 35 positioned at both ends in the vehicle width direction, and the pair of brackets 35. A flat plate-like intermediate bracket 36 is provided as an intermediate member positioned between them.

  The pair of left and right brackets 35 are provided with a substantially flat upper surface portion 37 and a lower surface portion 39 respectively covering the upper and lower portions of the rear lamp unit 7 in the assembled state as shown in FIG. Are connected and integrated by three vertical wall portions 41, 43, 45 arranged at intervals along the vehicle width direction. Further, outer end portions in the vehicle width direction of the upper surface portion 37 and the lower surface portion 39 are connected to each other by an outer vertical wall 47. The vertical wall portion 43 is positioned approximately in the center of the bracket 35 in the vehicle width direction, the vertical wall portion 41 is positioned approximately in the middle of the vertical wall portion 43 and the outer vertical wall 47, and the vertical wall portion 45 is positioned in the vehicle width direction of the bracket 35. Located on the inner edge.

  Therefore, the bracket 35 described above includes through portions 49, 51, 53 penetrating in the longitudinal direction of the vehicle body between the vertical wall portions 41, 43, 45 and the outer vertical wall 47.

  Further, in the state where the rear lamp unit 7 and the bumper 11 are attached to the vehicle body 1 on the lower surface portion 39 of the bracket 35 between the vertical wall portion 41 and the vertical wall portion 4 at the center described above, BB in FIG. As shown in FIG. 4B, which is a cross-sectional view, an engagement recess 55 is provided as a bumper movement restricting portion. As shown in an enlarged view in FIG. 5B, the engaging recess 55 is formed by providing a projecting piece 59 via a gap 57 on the end 39 a of the lower surface 39 on the vehicle body rear side. The end portion 39a of the lower surface portion 39 is formed to be bent downward with respect to the general portion of the lower surface portion 39 on the front side of the vehicle body from the end portion 39a, and protrudes rearward from the projecting piece 59.

  A plurality of the engaging recesses 55 are provided along the vehicle width direction, and the lower surface 39 between these engaging recesses 55 is a latch protruding upward as shown in the cross-sectional view of FIG. A protrusion 39b is provided.

  On the other hand, as shown in FIG. 1, the bumper 11 includes projecting portions 61 whose both ends in the vehicle width direction project upward. 4A is a cross-sectional view taken along the line A-A in FIG. 3 in a state where the rear lamp unit 7 is attached to the vehicle body 1. As illustrated, the bracket 35 is placed on the rear end of the vehicle body on the lower surface 39.

  Here, as shown in FIG. 4B and FIG. 5B, the upper portion 63 of the bumper 11 corresponding to the above-described engaging recess 55 projects the front end 63a toward the front of the vehicle body and engages the engaging recess 55. Is inserted and engaged. Further, as shown in FIG. 5 (a), a locking hole 63c is provided between the front ends 63a of the upper part 63 respectively inserted into the plurality of engaging recesses 55. It is locked to the stop protrusion 39b.

  As shown in FIG. 1, the upper portion 63 of the bumper 11 at the center in the vehicle width direction includes a bulging portion 63b bulging upward, and the rear lamp unit 7 and the bumper 11 are connected to the vehicle body from the bulging portion 63b. As shown in FIG. 4C, which is a cross-sectional view taken along the line CC of FIG. 3 in a state of being attached to the main body 1, an extension portion 65 that extends a part of the bumper 11 toward the front upper part of the vehicle body is provided. The extension part 65 includes a flat part 65 a with the upper part extending forward of the vehicle body, the flat part 65 a is located near the lower part of the intermediate bracket 36, and the tip 65 b of the flat part 65 a is located close to the rear panel 5.

  The shock absorbing member 67 is disposed inside the bumper 11 and below the flat portion 65a of the extension portion 65 in a state where the upper surface 67a is close to the flat portion 65a. The shock absorbing member 67 is fitted into the vehicle body main body 1 by fitting a mounting portion 69a projecting rearward of an L-shaped mounting bracket 69 mounted on the rear surface of the rear panel 5 into a mounting recess 67a formed on the front surface. It is attached.

  Next, a procedure for attaching each component in the vehicle body rear structure will be described. First, the pair of left and right brackets 35 are attached to the rear panel 5 of the vehicle body 1 using fasteners (not shown), and then the bumper 11 is attached to the vehicle body 1 using fasteners (not shown).

  At this time, as shown in FIG. 4A, the bumper 11 positions a part of the tip end side of the upper portion 63 on the lower surface portion 39 of the bracket 35, and as shown in FIG. The front end 63a is inserted into and engaged with the engaging recess 55, and the locking hole 63c is locked to the locking projection 39b as shown in FIG. 5 (a). Further, as shown in FIG. 4C, the flat portion 65a of the extension portion 65 is located in the vicinity of the upper surface 67a of the shock absorbing member 67 and the tip 65b of the flat portion 65a is located at the vehicle width direction center portion of the bumper 11. Becomes a position close to the rear panel 5.

  Next, the pair of left and right rear lamp units 7 are inserted so as to fit between the upper surface portion 37 and the lower surface portion 39 of the corresponding pair of left and right brackets 35. At this time, after the plurality of clips 27 are passed through the through holes 47 a provided in the outer vertical wall 47 of the bracket 35 and the through holes 43 a provided in the vertical wall portion 43, the engagement is provided on the rear panel 5 of the vehicle body 1. The rear lamp unit 7 is attached to the vehicle body 1 by engaging with the hole 5a.

  Thereafter, the central decorative portion 15 is set between the left and right lamp main bodies 13, and a clip (not shown) of the central decorative portion 15 is inserted into the engagement hole 33 of the lamp main body 13 and engaged with the central decorative portion 15. 15 and the left and right lamp bodies 13 are connected. At this time, the mounting flange 31 of the central decorative portion 15 is overlaid on the mounting flange 29 of the lamp body 13, and the mounting holes 31a and 29a of the mounting flanges 31 and 29 are in alignment with each other.

  Finally, the intermediate bracket 36 is set between the upper surface portions 37 of the left and right brackets 35. At this time, the mounting holes 36a provided near both ends in the vehicle width direction of the intermediate bracket 36 are aligned with the mounting holes 31a and 29a described above, and in this state, fasteners such as bolts 71 are fitted into the mounting holes 36a, 31a and 29a. Insert and fix sequentially. When the bolt 71 is used, a weld nut is attached to the back side of the attachment flange 29 provided with the attachment hole 29a.

  In the state where the intermediate bracket 36 is attached, the upper surface of the intermediate bracket 36 is positioned on substantially the same horizontal plane as the upper surface of the upper surface portion 37 of the bracket 35.

  Next, the function and effect of the vehicle body rear structure will be described. In the vehicle body rear structure of the present embodiment, the rear lamp unit 7 is located immediately behind the door opening 3 (loading room) where the back door 2 (see FIG. 4) opens and closes. For this reason, for example, when a load is taken out from the luggage compartment, a load may be applied downward to the bracket 37 by dropping the load on, for example, the left and right brackets 37 of the lamp fixture 9.

  At this time, in the present embodiment, the bracket 37 that receives the load can suppress deformation such that the vertical wall portions 41, 43, and 45 receive the load in a distributed manner and bend downward of the upper surface portion 37. The rear lamp unit 7 can be protected by suppressing the load applied to the lamp body 13 in particular of the unit 7.

  Further, when a load acts downward on the intermediate bracket 36, the load is received by the shock absorbing member 67 via the flat surface portion 65a of the extension portion 65 of the bumper 11, as shown in FIG. Therefore, it is possible to protect the rear lamp unit 7 by suppressing the load application to the rear decoration unit 7, particularly the central decorative portion 15. Therefore, the extension part 65 of the bumper 11 and the shock absorbing member 67 constitute a lamp protection part that receives the load from above and protects the rear lamp unit 7.

  Further, when the bumper 11 receives a load forward from the rear of the vehicle body due to a collision or the like, the bumper 11 receives a load that pushes the upper portion 63 upward. At this time, in this embodiment, as shown in FIGS. 4B and 5B, the bumper 11 is engaged by inserting the front end 63a of the upper portion 63 into the engagement recess 55 on the bracket 35 side. . For this reason, it can suppress by the engaging recessed part 55 that the upper part 63 of the bumper 11 floats upwards, and can suppress the load application from the downward direction with respect to the lamp | ramp main body 13 and the center decoration part 15 by this. The rear lamp unit 7 can be protected.

  In the present embodiment, a lamp protection part that protects the rear lamp unit 7 by receiving a load from above is provided between the pair of left and right brackets 35, and the lamp protection part is an extension part 65 that is a part of the bumper 11. It consists of. For this reason, it is not necessary to separately provide a bracket having a vertical wall portion similar to the bracket 35 at the center in the vehicle width direction, and accordingly, the number of parts and the number of mounting steps can be reduced.

  At this time, in the present embodiment, since the lamp protection portion is configured to include the extension portion 65 of the bumper 11 and the shock absorbing member 67, a load is transmitted from the extension portion 65 to the shock absorbing member 67, and the load is received. The shock absorption efficiency at the time can be increased.

  Furthermore, in this embodiment, it is set as the structure provided with the recessed part 55 by which the front end 63a of the upper part 63 of the bumper 11 is inserted toward the front from the vehicle body back as a bumper movement control part. For this reason, the rear lamp unit 7 has a simple configuration in which a projecting piece 59 that protrudes rearward is formed while forming a gap 57 at the lower portion of the end portion 39a of the lower surface portion 39 of the bracket 35 and the floating of the upper portion 63 of the bumper 11 is suppressed. Can be protected.

  Further, in the present embodiment, an intermediate bracket 36 is provided on the extension portion 65 of the bumper 11 and is positioned on the same horizontal plane as the upper surface portion 37 of the bracket 35. Therefore, the pair of left and right brackets 35 and the intermediate bracket 36 can be continuous in the vehicle width direction as the lamp attachment 9 that accommodates the rear lamp unit 7, which can contribute to an improvement in appearance.

It is a disassembled perspective view of the vehicle body rear part structure which shows one Embodiment of this invention. FIG. 2 is a rear perspective view of a vehicle body provided with the vehicle body rear structure of FIG. 1. It is a perspective view which shows the state which attached the lamp fixture to the vehicle body of FIG. 1 with a rear lamp unit. (A), (b), (c) is each AA, BB, CC sectional drawing of FIG. 3 in the state which attached the rear lamp unit and the bumper to the vehicle body main body. (A) is sectional drawing which shows the state which latched the locking hole of the bumper to the locking protrusion of a bracket, (b) is sectional drawing to which the principal part of FIG.4 (b) was expanded.

Explanation of symbols

7 Rear lamp unit 11 Bumper 35 Bracket 36 Intermediate bracket (intermediate member)
37 Upper surface portion of bracket 39 Lower surface portion of bracket 41, 43, 45 Vertical wall portion of bracket 55 Recessed portion (bumper movement restriction portion) provided on lower surface portion of bracket
63 Upper part of bumper 65 Extension part of bumper (part of bumper, lamp protection part)
67 Shock absorbing member (lamp protection part)

Claims (5)

  In a vehicle body rear structure in which a rear lamp unit is arranged on an upper part of a bumper provided at a rear part of the vehicle body, the rear lamp unit is attached to the rear part of the vehicle body via a bracket in a state where the rear lamp unit is positioned on the upper part of the bumper. The upper surface portion and the lower surface portion that respectively cover the upper and lower portions, the vertical wall portion that connects the upper surface portion and the lower surface portion, and the lower surface portion are engaged with the upper portion of the bumper and above the upper portion of the bumper. And a bumper movement restricting portion for restricting movement to the vehicle body rear structure.   The rear lamp unit is extended over substantially the entire length in the vehicle width direction, and a pair of brackets including the vertical wall portion and the bumper movement restricting portion are provided on both sides in the vehicle width direction, and a load from above is received between the pair of brackets. The vehicle body rear structure according to claim 1, wherein a lamp protection part for protecting the rear lamp unit is provided, and the lamp protection part is a part of the bumper.   The lamp protection part includes an extension part extending partly from the bumper toward the front upper part of the vehicle body, and an impact absorbing member positioned at a lower part of the extension part and fixed to the vehicle body. The vehicle body rear structure according to claim 2.   The vehicle body rear structure according to any one of claims 1 to 3, wherein the bumper movement restricting portion includes a concave portion into which an upper front end of the bumper is inserted from the rear of the vehicle body toward the front.   The vehicle body rear part structure according to claim 3 or 4, wherein an intermediate member located substantially on the same horizontal plane as the upper surface portion of the bracket is provided on an upper portion of the extension portion of the bumper.

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