JP2009001198A - Bumper mounting structure - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a bumper mounting structure enabling a bumper face to be positioned even if the bumper face is installed with its side part opened outward when the bumper face is installed. <P>SOLUTION: This bumper mounting structure 11 supports the bumper face 13 on a bracket 51 under the rear combination lamp of a vehicle. The flange 52 of the bumper face 13 comprises a longitudinal restraining part 81 formed at the end edge 77 of the flange 52 facing forward of the vehicle and restraining the longitudinal position of the vehicle in association with the reference part (first boss) 43 of the bracket 51 and a lateral restraining part 82 of L-shape in plan view for restraining the lateral position of the vehicle in association with the reference part (first boss) 43. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

  The present invention relates to a bumper mounting structure used in a vehicle.

The bumper generally includes a steel reinforcement that is attached to the vehicle body, and a resin bumper skin that covers the reinforcement.
The bumper mounting structure is, for example, a structure in which a bumper skin is supported under a headlamp (see, for example, Patent Document 1).
Japanese Patent No. 3539377 (page 11, FIG. 1, FIG. 2)

Patent document 1 is demonstrated based on the following figure.
FIGS. 12A and 12B are diagrams for explaining the prior art. In the conventional bumper mounting structure 201, the bumper 205 has a vertical guide rib 204 included in the position regulating member 203 provided in the headlamp 202. FIG. A guide groove 206 having a U-shaped groove in a plan view can be fitted and guided.

  However, in the bumper mounting structure 201 of Patent Document 1, when the shape of the bumper 205 is changed, for example, when a design having a side portion extended to the vicinity of the front wheel is adopted, the guide groove 206 of the bumper 205 is formed on the guide rib 204 on the headlamp 202 side. May interfere.

  Specifically, the bumper 205 is slightly changed so that the side portion extends from the corner portion 207 to the rear, and assembly is started under the condition that the bumper mounting structure 201 is used, and the side portion is once pulled outward. In other words, when trying to fit under the headlamp 202 while avoiding interference with the vehicle body, the direction of the opening of the guide groove 206 is bent outward and cannot be mounted.

  An object of the present invention is to provide a bumper mounting structure capable of positioning a bumper face even when the bumper face is assembled with the side part of the bumper face being opened outward.

  The invention according to claim 1 is a bumper mounting structure in which a bumper face is supported on a bracket under a rear combination lamp of a vehicle, and a flange of the bumper face is formed at an edge of the flange and is a reference portion of the bracket. And a front-rear restricting part that restricts the position in the front-rear direction of the vehicle in cooperation, and a left-right restricting part in plan view that restricts the position in the left-right direction of the vehicle in cooperation with the reference part. Features.

  In the invention according to claim 1, the flange of the bumper face is formed at the edge of the flange, and the front / rear restricting portion that restricts the position in the longitudinal direction of the vehicle in cooperation with the reference portion of the bracket, and the vehicle in cooperation with the reference portion. And a left and right restricting portion in a plan view that regulates the position in the left and right direction of the left and right, even if the side part of the bumper face is opened outward, the left and right restricting portion in a plan view is a combination Proceeding along the outside of the reference portion under the ramp, the front / rear restricting portion comes into contact with the reference portion. As a result, the front and rear positions of the bumper face can be determined by the front and rear restricting portions, and the left and right left and right restricting portions can contact the outside of the left and right reference portions to determine the left and right positions. Therefore, when assembling the bumper face, there is an advantage that the bumper face can be positioned even if the bumper face is assembled with the side part of the bumper face opened outward.

The best mode for carrying out the present invention will be described below with reference to the accompanying drawings.
FIG. 1 is a side view of a bumper adopting the bumper mounting structure of the present invention.
FIG. 2 is a view taken in the direction of arrow 2 in FIG. 1 and is a rear view of the bumper.
FIG. 3 is a plan view showing the bumper rotated by 90 ° as viewed from the direction of arrow 3 in FIG.

  The bumper mounting structure 11 is for mounting the resin bumper face 13 of the bumper 12 on the vehicle body 14 side, and supports the corner portion 16 of the bumper face 13 under the rear combination lamp 15. Details will be described later.

  The bumper 12 includes a reinforcement 24 attached to the rear end 22 of the rear frame 21 of the vehicle body 14, and a bumper face 13 covering the reinforcement 24. The center line C of the vehicle 25 is substantially symmetrical with respect to the symmetry.

The bumper face 13 is formed with a main body portion 26 that extends in the left-right direction (Y-axis direction) of the vehicle 25 and faces the rear side of the vehicle 25, and is connected to one end portion (left end portion) of the main body portion 26. A left side portion 27 is formed through the portion 16, and a right side portion 31 is formed through the right corner portion 16 connected to the other end portion (right end portion) of the main body portion 26.
Both the left side portion 27 and the right side portion 31 are long portions extending to the vicinity of the rear wheel 32.

  The combination lamp 15 is for rear use and has a reflector (housing) 35 attached to the rear body 34, and the reflector (housing) 35 has a tail lamp part 36, a turn signal lamp part 37, and a backup lamp part 38. This will be specifically described.

  FIG. 4 is a view taken in the direction of arrow 4 in FIG. 3 and shows the inside of the combination lamp 15 and the inside of the bumper face 13. This will be described with reference to FIGS.

Specifically, the combination lamp 15 is formed with a first boss 43 that is a reference portion at a lower end 41 of a reflector (housing) 35, and is substantially parallel to the first boss 43 in the vicinity of the first boss 43. Two bosses 44 are formed, and a third boss 45 is formed in the vicinity of the first boss 43 and substantially parallel to the first boss 43.
The first boss 43 has outer peripheral ribs 46 formed on the outer periphery thereof at a uniform circumference of four.

Here, the bumper mounting structure 11 includes the first boss 43, the second boss 44, and the third boss 45 formed on the combination lamp 15, and the first boss 43, the second boss 44, the third boss 45, and the rear body. The bracket 51 is fixed to the bracket 34, and the flange 52 is fitted to the bracket 51. And it is symmetrical with respect to the center line C of the vehicle 25.
In the following description, the left bumper mounting structure 11 will be mainly described.

5 is a cross-sectional view taken along line 5-5 of FIG. 4 and is a plan view of the bumper mounting structure 11. As shown in FIG.
FIG. 6 is an exploded view of the bumper mounting structure.
7A and 7B are detailed explanatory views of the bumper mounting structure of the present invention, with the first boss 43, the second boss 44, and the third boss 45 removed, and FIG. 7A is a perspective view. (B) is a b arrow view of (a).

  The bracket 51 is substantially L-shaped and includes a horizontal plate portion 55 that is in contact with the first boss 43, the second boss 44, and the third boss 45, and is connected to the rear end of the horizontal plate portion 55 so as to be connected to the vertical plate portion 56. Is shaped to be attached to the rear body 34.

  The horizontal plate 55 has a fastening hole 57 attached to the first boss 43 at the center, a first fitting hole 58 fitted to the second boss 44 at one end, and a third at the other end. A second fitting hole 61 fitted to the boss 45 is opened, and a first gap nail 64 is formed at one end of the upper surface 62 with a predetermined gap S between the upper surface 62 and the other end. A second gap claw portion 65 is formed with a predetermined gap S between the upper surface 62 and the upper surface 62.

The first clamping claw portion 64 is formed with a first latching convex portion 66 and presses the flange 52.
Similar to the first sandwiching claw portion 64, the second sandwiching claw portion 65 is formed with a second latching convex portion 67 to hold down the flange 52.
The vertical plate portion 56 has a hole 68 for attachment to the rear body 34.

  The flange 52 has a thickness that allows the main body 71 extending substantially horizontally from the inner surface of the bumper face 13 to the front of the vehicle 25 (in the direction of the arrow a1) to be sandwiched between the first sandwiching claw portion 64 and the second sandwiching claw portion 65. The first rib 72 is formed at the center of the main body 71, and the end ribs 73 are formed at both ends.

  The flange 52 has a first hooking hole 75 for hooking the first hooking protrusion 66 of the bracket 51 on the main body 71 in a long hole, and the second hooking protrusion 67 of the bracket 51 is formed on the main body 71. A second latching hole 76 to be latched is formed in the long hole, a front / rear restricting portion 81 is formed at the center of the end edge 77, and a left / right restricting portion 82 is formed continuously to the front / rear restricting portion 81.

The front / rear restricting portion 81 is a portion formed so as to contact the outer peripheral rib 46 of the first boss 43 located at the center of the bracket 51.
The left and right restricting portion 82 is a portion formed in an L shape in plan view (viewpoint in FIG. 6), and a contact surface 83 that contacts the outer peripheral surface of the outer peripheral rib 46 and the first boss 43 extends in the front-rear direction of the vehicle 25. It is formed parallel to the line C (X-axis direction).
Next, attachment of the bracket 51 will be described.

FIG. 8 is a view taken in the direction of arrow 8 in FIG.
FIG. 9 is a cross-sectional view taken along line 9-9 in FIG. 5 and shows a mounting relationship between the bracket 51 and the first boss 43, the second boss 44, and the third boss 45. This will be described with reference to FIG.

  The bracket 51 determines the position of one point by fitting a positioning protrusion 85 provided at the tip of the second boss 44 of the combination lamp 15 into the first fitting hole 58 opened in the horizontal plate portion 55, and determines the position of the single point. Since the positioning projection 86 provided at the tip of the third boss 45 of the combination lamp 15 is fitted into the second fitting hole 61 opened in the second position, the position of the second point is determined, and the positional relationship with the combination lamp 15 is determined. . Fastening is performed by screwing the fastening hole 57 (see FIG. 7) of the horizontal flat plate portion 55 into the prepared hole of the first boss 43 through the tapping screw 87.

Next, the operation of the bumper mounting structure of the present invention will be described.
FIG. 10 is a view for explaining a mechanism when assembling the bumper face of the bumper mounting structure of the present invention. This will be described with reference to FIG.
When the bumper face 13 is attached to the vehicle body 14, the left side portion 27 is indicated by a two-dot chain line outside the vehicle 25 (in the direction of the arrow b1) in order to avoid interference with the rear body 34 of the vehicle body 14. Bent bent. Similarly, the right side portion 31 is bent outwardly of the vehicle 25 (in the direction of the arrow b2) as indicated by a two-dot chain line.

FIG. 11 is a diagram for explaining the continuation of FIG. This will be described with reference to FIGS.
Even if the left side portion 27 and the right side portion 31 are opened (the direction of the arrow b1, the direction of the arrow b2), the contact surface 83 of the left and right restricting portion 82 of the flange 52 of the bumper face 13 is slightly elastic outward. Since it deforms, the first boss (reference portion) does not interfere with the first boss (reference portion) 43 of the bracket 51 and does not interfere with the first sandwiching claw portion 64 and the second sandwiching claw portion 65. ) Along the outer side of 43, as indicated by an arrow b 3 (see FIG. 6), and can contact the outer side of the first boss (reference portion) 43 to determine the left and right (Y-axis direction) positions.

  The flange 52 of the bumper face 13 enters between the first sandwiching claw portion 64 and the second sandwiching claw portion 65 of the bracket 51 and the upper surface 62.

  When inserting the flange 52, the first hooking protrusion 66 of the first hooking claw 64 and the second hooking protrusion 67 of the second hooking claw 65 are made elastic with the first hooking claw 64. Push up against the elasticity of the second sandwiching claw portion 65.

  As shown in FIGS. 5 and 6, when the flange 52 is inserted inward, the front / rear restricting portion 81 of the flange 52 abuts on the outer peripheral rib 46 of the first boss 43, so the front / rear direction of the vehicle 25 (X-axis direction) ) Can be determined.

  Further, as described above, as shown in FIG. 5, the contact surface 83 of the left and right restricting portion 82 contacts the outer periphery of the first boss 43 and the outer peripheral rib 46 as shown by the arrow b4, thereby The position of the bumper face 13 in the left and right direction (Y-axis direction) of the vehicle 25 can be determined by the right and left right and left restricting portion 82 similar to the restricting portion 82.

  As described above, the position of the two axes (X-axis and Y-axis) is determined by the front-rear restricting portion 81 and the left-right restricting portion 82, and at the same time, the first engaging convex portion 66 is fitted in the first engaging hole 75 that is a long hole, The bumper face 13 is fixed to the bracket 51 because the second latching protrusion 67 fits into the long second latching hole 76.

  Although the bumper mounting structure of the present invention is used for the rear in the embodiment, it can also be used for the front.

  The bumper mounting structure of the present invention is suitable for the rear of a vehicle.

It is a side view of the bumper which employ | adopted the bumper attachment structure of this invention. FIG. 2 is a view taken in the direction of arrow 2 in FIG. 1. FIG. 3 is a view taken in the direction of arrow 3 in FIG. FIG. 4 is a view taken along arrow 4 in FIG. 3. FIG. 5 is a sectional view taken along line 5-5 of FIG. It is an exploded view of a bumper attachment structure. It is detailed explanatory drawing of the bumper attachment structure of this invention. FIG. 8 is a view taken in the direction of arrow 8 in FIG. FIG. 9 is a sectional view taken along line 9-9 in FIG. 5. It is a figure explaining the mechanism when assembling the bumper face of the bumper attachment structure of this invention. It is a figure explaining the continuation of FIG. It is a figure explaining the prior art.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 11 ... Bumper attachment structure, 13 ... Bumper face, 15 ... Combination lamp, 25 ... Vehicle, 43 ... Reference | standard part (1st boss | hub), 51 ... Bracket, 52 ... Flange, 77 ... End edge, 81 ... Front-rear regulation part, 82 ... Left and right regulation part.

Claims (1)

A bumper mounting structure that supports a bumper face on a bracket under a rear combination lamp of a vehicle,
A flange of the bumper face is formed at an edge of the flange, and a front / rear restricting portion that restricts the position of the vehicle in the front-rear direction in cooperation with the reference portion of the bracket; and a left-right direction of the vehicle in cooperation with the reference portion A bumper mounting structure comprising: an L-shaped left and right restricting portion that restricts the position in plan view.

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