JP6375933B2 - Car body rear structure - Google Patents

Description

  The present invention relates to a vehicle body rear structure around a rear wheel.

  The impact that the rear wheel of the vehicle receives from the road surface is normally absorbed by a suspension device (shock absorber), and the shock absorber is connected and fixed from below to a shock absorber reinforcement that constitutes the rear wheel house. For example, in the vehicle body structure described in Patent Document 1, the plate 30 is installed on the upper surface of the wheel house panel 12 (corresponding to the shock absorber reinforcement in the present application), and the shock absorber 5 is inserted into these both members from below. It is connected in such a way.

JP 2009-166801 A

  The rear wheel house and the vehicle body rear structure around the rear wheel house are configured by combining a plurality of panel members including a shock absorber force. In particular, when the shock absorber is directly connected to the rear wheel house (shock absorber reinforcement) as described above, the rear wheel house is required to have high rigidity. In this case, the rigidity is improved by devising the shape and structure of the assembly of each panel member, rather than using dedicated parts, and is advantageous from the viewpoint of cost.

  In view of such a problem, an object of the present invention is to provide a vehicle body rear structure having improved rigidity by assembling each panel member.

  In order to solve the above-described problems, a representative configuration of the present invention is a vehicle body rear structure around a rear wheel, in which the vehicle body rear structure includes a skirt base extending downward from a back door opening at the rear of the vehicle body, and a skirt base A rear skirt panel having a skirt rear flange bent from the upper part to the rear of the vehicle, a shock absorber reinforcement connected to the vehicle front side of the skirt base, and a rear wheel shock absorber fixed to the rear wheel, and a skirt rear It is characterized by comprising a quarter inner lower connected from the flange to the upper part of the shock absorber reinforcement and forming a closed section therebetween.

  According to the above configuration, a relatively large closed cross section is formed by the quarter inner lower between the shock absorber reinforcement and the skirt rear flange of the rear skirt panel. By forming this closed cross section, the rigidity of the rear part of the vehicle body including the shock absorber reinforcement is enhanced, and the vibration and shock deformation from the shock absorber are more fully prevented. Especially in the above configuration, the rigidity is improved by devising how to assemble the three types of panel members: shock absorber reinforcement, rear skirt panel, and quarter inner lower, so when using dedicated parts This is advantageous in terms of versatility and cost.

  The vehicle body rear structure further includes a tail end panel that is attached to the front side of the skirt base along the back door opening and is enclosed in a closed section, and the tail end panel projects forward of the vehicle and is connected to the quarter inner lower. You may have a tail end connection part. By assembling the tail end panel, the rigidity of the rear portion of the vehicle can be further improved.

  The shock absorber reinforcement may be thicker than the rear skirt panel. With this configuration, the rigidity of the shock absorber reinforcement is further improved.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the vehicle body rear part structure which improved rigidity by the assembly | attachment method of each panel member.

It is a perspective view of the vehicle body rear part structure concerning embodiment of this invention. It is an arrow A figure of FIG. It is BB sectional drawing of FIG. It is CC sectional drawing 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 a perspective view of a vehicle body rear structure 100 according to an embodiment of the present invention. The vehicle body rear structure 100 of the present embodiment is implemented in a hatchback vehicle having a back door. 1 is implemented as a structure around the rear wheel on the right side of the rear part of the vehicle body.

  The wheel house inner panel 102 is a panel that extends in the vehicle front-rear direction and covers a rear wheel (not shown) of the vehicle. The wheel house inner panel 102 has an upwardly convex arch shape and surrounds the upper front side of the rear wheel. A shock absorber reinforcement 104 is connected to the rear end of the wheel house inner panel 102.

  The shock absorber reinforcement 104 is a member to which a rear wheel shock absorber (not shown) is fixed. The shock absorber force 104 is joined to the vehicle rear side of the wheel house inner panel 102, constitutes a part of the rear wheel house, and surrounds the upper rear side of the rear wheel.

  An input surface 112 is formed in the shock absorber force 104 at a position between the wheel house inner panel 102 and the rear rear skirt panel 114. A reinforcement upper panel 106 (also referred to as a rear shock absorber reinforcement upper panel) overlaps the input surface 112. The reinforcement upper panel 106 is formed with an opening 108 through which a bolt of a shock absorber is inserted. A hole similar to the opening 108 is also provided in the input surface 112 below.

  The reinforcement upper panel 106 is a panel that overlaps and reinforces the input surface 112. The reinforcement upper panel 106 is slightly larger than the input surface 112 and is joined to the input surface 112 so as to cover the entire input surface 112. The reinforcement upper panel 106 is connected to the wheel house inner panel 102 by the bracket 110, and the installation rigidity is enhanced.

  The rear skirt panel 114 is a panel to which the vehicle rear side of the shock absorber reinforcement 104 is connected. FIG. 2 is an arrow A view of FIG. As illustrated in FIG. 2, the rear skirt panel 114 extends in the vehicle width direction and the vertical direction below the rear portion of the vehicle body. The rear skirt panel 114 forms part of the lower edge and side edge of the back door opening 116 where the back door is installed.

  Refer to FIG. 1 again. The quarter inner lower 118 is a panel that forms the lower side of the side edge of the back door opening 116. The quarter inner lower 118 is installed across the rear skirt panel 114 and the shock absorber force 104. In particular, in this embodiment, the quarter inner lower 118 contributes to the improvement of the installation rigidity of the shock absorber force 104.

  3 is a cross-sectional view taken along line BB in FIG. As shown in FIG. 3, the rear skirt panel 114 is roughly divided into a skirt base 120 extending downward from the back door opening 116 as a main portion, and a skirt rear portion bent from the top of the skirt base 120 to the rear of the vehicle. And a flange 122. The shock absorber force 104 is connected to the vehicle front side of the skirt base 120 at a position below the skirt rear flange 122. The shock absorber force 104 is thicker than the rear skirt panel 114 and is originally set to have high rigidity.

  The quarter inner lower 118 is connected from the skirt rear flange 122 to the upper part of the shock absorber reinforcement 104 to form a closed section 124 therebetween. Specifically, in the quarter inner lower 118, the rear flange 126 is joined to the skirt rear flange 122, extends from there to the vehicle front side, and then the vertical wall portion 128 extends downward. The bent front flange 130 is joined to the shock absorber force 104.

  A closed cross section 124 formed by the quarter inner lower 118 is formed relatively large between the shock absorber reinforcement 104 and the skirt rear flange 122 of the rear skirt panel 114. By forming the closed cross section 124, the rigidity of the shock absorber reinforcement 104 is increased, and deformation due to vibration and shock from the shock absorber is more sufficiently prevented. In this way, in this embodiment, the installation rigidity of the shock absorber force 104 is improved by devising how to assemble the three types of panel members. Therefore, it is more versatile than when dedicated parts are used. This is advantageous in terms of performance and cost.

  4 is a cross-sectional view taken along the line CC of FIG. FIG. 4 is a partial sectional view, and a part thereof is a perspective view. As shown in FIG. 4, a tail end panel 132 is included in the closed cross section 124. The tail end panel 132 is a panel that is assembled so as to extend in the vehicle width direction along the back door opening 116 on the vehicle front side of the skirt base 120. The tail end panel 132 is installed so as to be sandwiched between the quarter inner lower 118 and the rear skirt panel 114. The rigidity of the vehicle body rear structure 100 is also improved by the tail end panel 132 being assembled.

  The tail end panel 132 is provided with a tail end connection portion 134. The tail end connecting portion 134 protrudes forward of the vehicle and is connected to the quarter inner lower 118 by a bolt 136. The quarter inner lower 118 has increased installation rigidity by the tail end panel 132 being assembled. Therefore, the installation rigidity of the shock absorber reinforcement 104 connected to the quarter inner lower 118 is further increased due to the tail end panel 132.

  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.

  The present invention can be used for a vehicle body rear structure at the vehicle body rear portion.

DESCRIPTION OF SYMBOLS 100 ... Car body rear structure, 102 ... Wheel house inner panel, 104 ... Shock absorber reinforcement, 106 ... Reinforce upper panel, 108 ... Opening, 110 ... Bracket, 112 ... Input surface, 114 ... Rear skirt panel, 116 ... Back door 118, quarter inner lower, 120 ... skirt base, 122 ... skirt rear flange, 124 ... closed section, 126 ... rear flange, 128 ... vertical wall, 130 ... front flange, 132 ... tail end panel, 134 ... tail End connection, 136 ... Bolt

Claims (3)

In the rear body structure around the rear wheel, the rear body structure is
A rear skirt panel having a skirt base extending downward from the back door opening at the rear of the vehicle body, and a skirt rear flange bent from the upper part of the skirt base toward the rear of the vehicle;
A shock absorber reinforcement that is connected to the vehicle front side of the skirt base and to which a shock absorber for the rear wheel is fixed over the rear wheel;
A vehicle body rear structure comprising: a quarter inner lower that is connected from the rear flange of the skirt to an upper portion of the shock absorber reinforcement and forms a closed cross section therebetween. The rear structure of the vehicle body is further
A tail end panel attached along the back door opening on the vehicle front side of the skirt base and enclosed in the closed section;
The vehicle body rear part structure according to claim 1, wherein the tail end panel has a tail end connecting portion that protrudes forward of the vehicle and is connected to the quarter inner lower.   The vehicle body rear part structure according to claim 1 or 2, wherein the shock absorber reinforcement is thicker than the rear skirt panel.

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