JPS61169351A - Fitting structure of bumper for vehicle - Google Patents

Abstract

PURPOSE:To fit the arch edge section of a bumper side in coincidence with the arch of a fender by forming the arch edge section on the bumper side and fitting the upper end section of the bumper side to the fender. CONSTITUTION:The edge section of a bumper side 16 is formed into an arch edge section 20 coincident with the arch 18 of a fender 6. With this arch edge section 20 matched with the arch 18 of the fender 6, the upper end section of the bumper side 16 is fitted to the fender 6. The arch edge section 20 is formed by resin-molding a resin bumper 2 using a mold so as to give the edge section of the bumper side 16 a radius of curvature coincident with the arch 18 of the fender 6.

Description

[Detailed description of the invention] (Industrial application field) The present invention relates to a mounting structure for an automobile bumper.

(Prior Art) As a conventional automobile bumper mounting structure, those described in, for example, Japanese Unexamined Utility Model Publication No. 59-1653 and Japanese Utility Model Application Publication No. 59-37153 are known.

The former conventional example (Utility Model Application Publication No. 59-1653) has a mounting structure for the bumper front 01, as shown in FIG. The upper part 04 was engaged with the front grille 05 (engaging parts 06, 07) so as to be slidable by a certain width in the longitudinal direction of the vehicle.

Moreover, the latter conventional example (Utility Model Application Publication No. 59-37153) is
As shown in FIGS. 9 and 10, the bumper side 010
This is a mounting structure in which the end edge of the bumper side 010 is a hook-shaped edge 011, and the hook-shaped edge O1l is hooked to an inwardly bent flange portion 014 formed in an arch 013 of a fender O12. - (Problems to be solved by the invention) However, such conventional examples have the following problems.

(B) In the former conventional example, the bumper front 01 is provided so that it can slide by a certain width in the longitudinal direction of the vehicle with respect to the front grille 05, so if the bumper front O1 is deformed by heat or external force. However, there was a problem in that the relative positions of the bumper front O1 and the front grille 05 were misaligned.

(b) In the latter conventional example, the arch 0 of the fender 012
A hook-shaped edge O is formed on the inwardly bent flange portion O14 formed in 13.
1l, the edge of the bumper side 010 protrudes inward from the arch 013 of the fender 012, and the arch 013 of the fender 012 and the edge of the bumper side 010 are connected to a continuous arch. There was a problem that the shapes could not be matched.

(Means for Solving the Problems) The present invention has been made for the purpose of solving the above-mentioned problems, and in order to achieve this purpose, the present invention has adopted the present invention, in which both ends of the bumper front are attached to the sides of the vehicle body. In an automobile bumper mounting structure in which a bumper having a bumper side that wraps around toward the fender side is attached to a fender and a reinforcement, an edge of the bumper side is attached to an arch edge that matches the arch of the fender. The upper end of the bumper side is attached to the fender, the upper part of the bumper front is attached to the reinforcement, and the lower part of the front grill is attached to the upper part of the bumper front through a positioning member in the longitudinal direction of the vehicle. It was a means attached to it.

(Function) Therefore, in the automobile bumper mounting structure of the present invention, by employing the above-described means, the bumper side can be mounted so that the arch edge of the bumper side coincides with the arch of the fender. Furthermore, by interposing a positioning member in the longitudinal direction of the vehicle, the relative positional relationship between the bumper front and the front grill can be kept constant without adjusting the mounting position during assembly. By attaching the upper part to the reinforcement, even if the bumper front is deformed, the relative positional relationship between the two can be maintained constant.

(Example) Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

In describing the embodiment, an example will be taken of a mounting structure for a resin bumper for an automobile that uses a radiator grill as a front grill.

First, the configurations of the embodiments shown in FIGS. 1 to 7 will be described.

Fig. 1 shows a front view of a car that adopts the mounting structure of the embodiment, and shows a resin bumper 2 (ABS resin),
Radiator grill 4. Fender 6°6, engine hood 8. Headlight to, 10, side marker lamp 12
．． It has 12.

The resin bumper 2 includes a bumper front 14 that projects toward the front of the vehicle, and a bumper side 1 that extends both ends of the bumper front 14 toward the fender 6.6 side of the vehicle body.
6.16.

The fender 6.6 also has an arch (
(also called wheel arch) 18.18 is formed.

The mounting structure of the bumper sides 16 and 16 of the resin bumper 2 will be described with reference to FIGS. 1, 2, 6, and 7.

The edge portion of the bumper side 16 is formed into an arch edge portion 20 that matches the arch 18 of the fender 6, and in a state where the arch edge portion 20 is aligned with the 7-ch 18 of the fender 6. 1 and 7), the upper end of the bumper side 16 is attached to the fender 6.

The arch edge portion 20 is formed by molding the resin bumper 2 using a mold such that the edge portion of the bumper side 16 has a radius of curvature matching the arch 18 of the fender 6.

In addition, the attachment to the fender 6 is performed using the pampa side 1.
6, a mounting hole 24 formed in the inner bent part 22 formed at the rear of the upper end of the fender 6, a mounting hole 28 bored in the inner bent part 26 formed at the lower end of the fender 6, and an intermediate mounting hole 24. 2
8 and a nut 32 screwed into the port 30.

The mounting holes 24 and 28 are formed with a diameter larger than the diameter of the bolt, so that positioning can be adjusted in the longitudinal direction of the vehicle and in the lateral direction of the vehicle.

In other words, when assembling the bumper side 6, sometimes the arch 18 of the fender 6 and the arch edge 20 are aligned with each other by positioning in the longitudinal direction of the vehicle (FIG. 7), and the fender side The lower end 34 of the bumper side 16 and the upper end 36 of the bumper side 16 are aligned so that the outer surfaces 38 and 40 of the two are continuous and integrated (second
figure).

Next, the mounting structure of the bumper front 14 of the resin bumper 2 will be described with reference to FIGS. 3 to 6.

The attachment of the bumper front 14 and the reinforcement 42 is as shown in FIG.
At the same time, as shown in FIG. 5, the bumper front upper part 50 is fixedly attached to the reinforcement bracket 52 of the reinforcement 42 with a port 54 and a weld nut 56.

Note that the reinforcement 42 is fixed to a side member of the vehicle body via a stay 58.

As mentioned above, the bumper front upper part 50 is fixed by the port 54, which serves both to fix the reinforcement bracket 52 and to fix the retainer 60. The bumper front upper part 50, the reinforcement bracket 52,
The retainer 60 is provided with elongated holes 62, 64, and 66, each having a long hole diameter in the longitudinal direction of the vehicle.

The retainer 60 includes one as a bumper side positioning member.
A positioning bracket 68 is fixed by spot welding (bolting is also possible). A downwardly bent positioning locking piece 74.74 is formed in the portion 72, and a positioning hole 78 with a long hole diameter in the left-right direction of the vehicle is formed in the upper part 76 of the bracket (FIGS. 4 and 5). .

As shown in FIGS. 4 and 5, the lowermost grill element 80 of the radiator grill 4 is provided with a positioning bin 82 protruding downward as a grill side positioning member. By inserting the bin 82 into the positioning hole 78, the relative positioning of the radiator grille 4 and bumper front 14 in the longitudinal direction of the vehicle is achieved.

In the embodiment, the lower end portion 84 of the radiator grille 4 and the pump front 1
The mounting positions of the positioning hole 78 and the positioning pin 82 are set so that the inner and outer surfaces 88 and 90 of the inner and outer surfaces 88 and 90 of the inner and outer surfaces 88 and 90 of the inner and outer surfaces 88 and 90 form a continuous and integral inclined outer surface.

Incidentally, the grill element 92 at the upper end of the radiator grill 4
As shown in FIG. 3, the radiator core support 94
It is fixed to the bracket 96 with bolts.

Next, the operation of the embodiment will be explained.

The assembly work of the resin bumper 2 and the radiator grille 4 will be described below according to the work procedure.

■ Align the arch edge 20 of the bumper side 16 with the 7-ch 18 of the fender 6, and align the outer surface 38 of the fender 6.
The bumper side 16 is attached to the fender 6 by aligning the outer surface 40 of the bumper side 16 with the outer surface 40 of the bumper side 16.

■ Attach the bumper front lower part 44 of the bumper front 14 to the reinforcement 42.

■ Attach the bumper front upper part 50 and retainer 60 of the bumper front 14 to the reinforcement bracket 52.

At this time, the port 54 is tightened while the positioning locking piece 74 of the positioning bracket 68 fixed to the retainer 60 is brought into contact with the end surface 70 of the bumper front upper part 50.

(2) Insert the positioning pin 82 into the positioning hole 78 of the positioning bracket 68, bolt the grill element 92 at the upper end to the bracket 96 of the radiator core support 94, and attach the radiator grill 4.

After completing the above operations, the resin bumper 2 and the radiator grille 4 are assembled.

In this installation work, the bumper side 1
6 is attached, the end edge 20 of the bumper side 16 matches the arch 18 of the fender 6, and
The outer surface 4 of the bumper side 16 is attached to the outer surface 38 of the fender 6.
0 match, and the fender 6 and bumper side 16 can have a sense of unity in appearance.

In addition, by installing the bumper front 14 according to 1) above, the relative positional relationship with the radiator grille 4 can be maintained in the fixed relationship by simply assembling it without adjusting the mounting position. Moreover, the outer surface 99 of the bumper front 14 matches the outer surface 88 of the radiator grill 4, and the radiator grill 4 and the bumper front 14 can have a sense of unity in appearance.

Furthermore, since the upper end portion 50 of the bumper front 14 is fixed to the reinforcement 42, the bumper front 14
Even if the bumper front 14 is deformed by external force or other
The relative positional relationship between the radiator grille 4 and the radiator grille 4 can be kept constant.

Although the embodiments of the present invention have been described above in detail with reference to the drawings, the specific configuration is not limited to these embodiments, and the present invention may be modified without departing from the gist of the present invention. included.

For example, in the example, an example was shown in which a bracket and pin with holes were used to position the bumper front and front grille in the longitudinal direction of the vehicle. In addition to using such a bracket, it is also possible to use a member that can regulate the positional relationship between the two in the longitudinal direction of the vehicle.

Furthermore, in the embodiment, the mounting structure is such that the fender and the bumper side and the radiator grille and the bumper front have a sense of unity in appearance, but the present invention is not necessarily limited to this structure.

Further, in the embodiment, a radiator grill is shown as the front grill, but the grille is not limited to a radiator grill as long as it is a grill disposed on the front of the vehicle.

Furthermore, the retainer and positioning bracket of the embodiment may be integrated.

(Effect of triggering) As explained above, in the automobile bumper mounting structure of the present invention, a 7-inch edge is formed on the bumper side, and the upper end of the bumper side is attached to the fender. Because of this, an effect can be obtained in that the end edge of the arch on the bumper side can be aligned with the arch of the fender.

In addition, since the bumper front and front grille are attached via the positioning member in the longitudinal direction of the vehicle, the relative positional relationship between the two can be kept constant without adjusting the mounting position, which provides a smooth effect. However, since the upper part of the bumper front is attached to the reinforcement, even if the bumper front is deformed, the relative positional relationship between the two remains constant.

[Brief explanation of drawings]

FIG. 1 is a perspective view showing the front view of an automobile that employs the mounting structure of the embodiment of the present invention, FIG. 2 is a sectional view showing the bumper side mounting structure taken along line I-I in FIG. 1, and FIG. Figure 1 is a sectional view showing the mounting structure of the bumper front along the line ■-■, Figure 4 is an enlarged view of part A in Figure 3, and Figure 5 is an enlarged view of part A in Figure 4.
Figure 6 is an exploded perspective view of the structure of the embodiment, as seen from the m-line side.
Fig. 7 is a side view showing a side view of an automobile adopting the structure of the embodiment, Fig. 8 is a cross-sectional perspective view showing a conventional bumper front mounting structure, and Fig. 9 is a conventional bumper side mounting structure. The perspective view shown in FIG. 1θ is a sectional view taken along the line IV-IT in FIG. 9. 2...Resin bumper (bumper) 4...Radiator grill (front grill) 6...
Buenda l4...Bumper front 16...Bumper side 18...Arch 20...Arch edge 42...Reinforce 50...Bumper front upper part 68...Positioning bracket (positioning member) 78
...Positioning hole (positioning member) 82 ...Positioning bin (positioning member) Patent application Hito Nissan Shatai Co., Ltd. Figure 6 Figure 7 Figure 9 Figure 10 OIυ

Claims (1)

[Claims] 1) In an automobile bumper mounting structure in which a bumper having bumper sides in which both ends of the bumper front wrap around toward the fender side of the side of the vehicle body is attached to the fender and reinforcement, the end edges of the bumper sides are attached to the fender side. is formed on the arch end edge to match the arch of, and the upper end of the bumper side is attached to the fender, and
A mounting structure for a bumper for an automobile, characterized in that an upper part of the bumper front is attached to the reinforcement, and a lower part of a front grill is attached to the upper part of the bumper front via a positioning member in the longitudinal direction of the vehicle.