JP2000159038A - Bumper and grille mounting structure - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a bumper and grille mounting structure capable of easily keeping constant the gap between the bumper and grille. SOLUTION: A claw 13 extending to vehicle rear R side is installed in the lower part of a radiator grille 1 and provided with a through hole 15 in an elongated rectangle in the direction across the car width, and at its forefront a taper 14 is formed. A shoulder is formed on each side of the root part of the claw, and a gate-form part 23 is provided inside a front bumper 2 near its over center and furnished with an insert opening to admit insertion of the claw 13. A plate-form claw 25 is formed in the rear R side and furnished with a hooking part 26 in a projection shape having angle section. When the claw 13 is inserted into the insert opening, the hooking part 26 is fitted in the through hole 15 and engaged, and the shoulders run against the front surface 27 of the gate-form part 23. The radiator grille 1 is made of ABS while the front bumper 2 is made of PP.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a bumper and a grill as a fastening structure of a radiator grill and a bumper mounted on a vehicle such as an automobile.

[0002]

2. Description of the Related Art A conventional structure for mounting a bumper and a grill will be described with reference to FIGS. As shown in FIG. 1, the radiator grill 1 is
1 is fixed to a vehicle body (not shown), and a front bumper 2
Is a vehicle body (not shown) with a screw 32 through the hole 22.
Fixed to Then, as shown in FIG. 7, the radiator grille 101 and the front bumper 102 are connected to each other by a pin shape 103 formed at a lower portion of the grille and a hole 104 of the bumper. When there is a structure such as a bumper member inside the front bumper 102, the height of the bumper upper surface can be determined by fixing the bumper member and the bumper member.

[0003]

However, when there is no structure capable of supporting the front bumper 102 inside the bumper, as shown in FIG.
When 02 is deformed in the direction of arrow D, there is a problem that the gap δ ′ between the front bumper 102 and the radiator grille 101 cannot be kept constant. The present invention has been made in view of such a situation, and an object of the present invention is to provide a mounting structure of a bumper and a grill which can easily maintain a constant gap between the bumper and the grill.

[0004]

SUMMARY OF THE INVENTION The bumper and grill mounting structure according to the present invention is made to solve the above-mentioned problem, and includes an insertion projection provided on one of the bumper main body and the grill main body. When the vehicle is inserted into the insertion opening provided on the other side from the front-rear direction of the vehicle, the projection provided on one of the insertion protrusion and the insertion opening is fitted into the hole provided on the other, and the two are locked. In addition, a first contact portion provided on the bumper main body and a second contact portion provided on the grill main body abut against each other, whereby the insertion protruding portion and the insertion opening are positioned in the vehicle vertical direction. The contact portions position the bumper main body and the grill main body in the longitudinal direction of the vehicle. As a specific combination, there are a case where an insertion protrusion is provided in the bumper body and an insertion opening is provided in the grill body, and a case where an insertion opening is provided in the bumper body and the insertion protrusion is provided in the grill body. In each case, furthermore, a case where a projection is provided on the insertion projection and a hole is provided in the insertion opening, and a case where a hole is provided in the insertion projection and a projection is provided on the insertion opening can be further divided. it can.

The present invention employs a pawl structure capable of positioning in the vehicle front-rear direction and the vehicle vertical direction (height direction). With such a pawl structure, the grill can exert a lifting force on the bumper. Therefore, when the bumper tries to deform downward,
A reverse (upward) force is exerted by the grill, and the bumper is similarly deformed upward. Therefore, the gap between the grill and the bumper in the vertical direction of the vehicle can be kept constant. In the vehicle longitudinal direction, when inserting,
Since the contact portions abut each other, positioning in the vehicle front-rear direction can be performed. For this reason,
Insufficient assembly due to excessive insertion can be prevented, the work of assembling the vehicle can be facilitated, and the appearance can be improved. Also, even if an impact is applied from the front of the vehicle, the bumper and the grill can receive the impact integrally, so that it is possible to prevent the bumper and the grill from being accidentally detached from the vehicle or damaged. This pawl structure is preferably configured to have elasticity. In this case, the engagement between the bumper and the grill can be easily released.
With this release operation, the bumper and the grill can be configured to be detachable. It is preferable that the convex portion has a straight chevron shape in cross section. Further, it is preferable that one contact portion on the side of the insertion protruding portion is provided at each root portion of the insertion protruding portion.

It is preferable that an inclined surface is provided at the tip of the insertion protrusion. With this configuration, the work of inserting the insertion protrusion into the insertion opening becomes easy, and the workability of assembling the bumper and the grill can be further improved. Moreover, it is possible to mold with a simple mold structure.

[0007] Further, it is preferable that when the first contact portion and the second contact portion abut against each other, the tip of the insertion protruding portion is located in the insertion opening. With this configuration, the operation of releasing the locked state is facilitated, and the removal of the bumper and the grill is facilitated.

Further, it is preferable that the bumper and the grill are made of resin. With such a configuration, since the fastening can be performed without using a screw or the like, the number of assembly steps can be reduced and the cost can be reduced. The term "made of resin" as used herein means, for example, a relatively soft material such as polypropylene (PP) or a relatively hard material such as ABS, but other commonly used materials can also be appropriately selected. It is. For example, when an insertion opening is provided in the bumper main body and an insertion protrusion is provided in the grill main body, it is preferable to manufacture the bumper with PP and the grill with ABS.

The optimum structure of the bumper and grill mounting structure according to the present invention is as follows. That is, AB
When an insertion protruding portion having a tip end of an inclined surface provided on an S-made grill main body is inserted into an insertion opening provided on a PP bumper main body from the front of the vehicle, a convex portion having a straight mountain-shaped cross section provided on the insertion opening. Are fitted into the holes provided in the insertion protrusions, thereby locking the two, and a first contact portion provided on the bumper body and a contact portion provided on the grill body near the insertion protrusions. However, the front ends of the insertion protrusions abut each other in a state where they are located in the insertion openings, whereby the insertion protrusions and the insertion openings are in the vehicle vertical direction, and the contact portions are in the vehicle front-rear direction. Positioning of the bumper main body and the grill main body is performed respectively.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, an embodiment of a bumper and grill mounting structure according to the present invention will be described with reference to the drawings. The radiator grill 1 will be described with reference to FIGS. As shown in FIG. 1, the radiator grill 1
Has a substantially symmetrical shape, and a flange 11
Are provided. Each flange portion 11 is provided with two mounting holes 12 each for a total of four locations.
As shown in FIG. 2 or FIG. 3, pawls 13 (insertion protrusions) are provided at four places below the radiator grille 1. The claw 13 extends in the vehicle rearward direction (in the direction of the arrow R in the figure) in the vehicle assembled state,
Each is provided in substantially the same shape. As shown in FIG. 4, the tip 13 a of each pawl 13 has a chamfered upper side in a vehicle mounting state, and a linear inclined surface 14 is formed. As shown in FIG. 2 or FIG. 3, a rectangular through hole 15 which is elongated in the vehicle width direction (the direction of arrow W in FIG.
(Hole). As shown in FIG. 3 or FIG. 5, one shoulder 16 (second contact part) is provided on each side of the base (base) of the claw 13. The shoulder 16 protrudes from the radiator grill 1 body side. The shoulder 16 has a smaller amount of protrusion than the pawl 13 and slightly protrudes.

Next, the front bumper 2 will be described with reference to FIGS. As shown in FIG. 1, the front bumper 2 has a substantially symmetrical shape,
Four flange portions 21 are provided at predetermined intervals. Each flange portion 21 is provided with a mounting hole 22 at one location each, for a total of four locations. As shown in FIG. 2 or FIG. 3, four gate-shaped portions 23 (insertion openings) are provided inside the front bumper 2 near the upper center. The gate 23 is provided in substantially the same shape. The position of each portal 23 corresponds to four pawls 13 provided on the radiator grill 1. An insertion opening 24 is formed in each portal 23. The insertion opening 24 is formed so as to have a size that allows the pawl 13 of the radiator grill 1 to be inserted. The insertion opening 24 in the vehicle width direction W
Is preferably larger than the size of the pawl 13 of the radiator grill 1. This is because, even if high dimensional accuracy is not required, assembly failure does not occur. As shown in FIG. 4, a pawl 25 is formed on the rear R side of the insertion opening 24 in the vehicle assembled state. The pawl 25 has a plate shape and is formed so as to extend to the rear R side in a vehicle assembled state. The hook 25 has a hook portion 26 (convex portion) formed on the lower surface side in the vehicle assembled state. The hook portion 26 has a projecting shape having a mountain-shaped cross section, and includes two linear slopes 26a and 26b. This slope 26a,
For example, if the angle of the slope 26a is 60 degrees and the angle of the slope 26b is 45 degrees, the radiator grill 1 can be easily removed. The hook portion 26 is formed to have such a size as to be buried and fitted in the through hole 15 of the radiator grill 1. Thus, the radiator grill 1 and the front bumper 2 can be locked. The position of the gate 23 in the vehicle front-rear direction in the vehicle assembled state is as shown in FIG. 5 when the hook 26 is fitted into the through hole 15 (locked state) as shown in FIG. The front portion 27 (first contact portion) of the gate-shaped portion 23 and the shoulder portion 16 (second contact portion) abut against each other. Therefore, it is possible to prevent an excessive insertion, and prevent a defective assembly. As shown in FIG. 3 or FIG. 4, on the rear R side in the vehicle-assembled state of the portal section 23,
An extension 28 facing the pawl 25 is provided.

Next, the assembly of the radiator grill 1 and the front bumper 2 to the vehicle will be described with reference to FIG. As shown in FIG. 1, first, the front bumper 2 is attached to a vehicle body with a screw 32. Then, a headlamp (not shown) is attached to the vehicle body with a screw or the like (not shown). Then, as shown in FIG. 2, FIG. 3, or FIG. 4, the claw 13 of the radiator grill 1 is inserted through the portal 23 of the front bumper 2, and the radiator grill 1 is attached to the vehicle body (not shown) with the clip 31. . Thereby, the hook part 26 fits into the through hole 15 (see FIG. 4), and at the same time, the shoulder part 16 abuts on the front part 27 of the gate 23 (see FIG. 5). Thus, the radiator grill 1
The front bumper 2 is positioned in the vehicle vertical direction and the vehicle front-back direction. Thus, the assembling workability is improved. In addition, since the radiator grille 1 and the front bumper 2 can be naturally positioned in the vertical direction of the vehicle at the time of assembly, the gap δ between the two can be kept constant.
The appearance improves.

The radiator grill 1 and the front bumper 2 are both made of resin. Specifically, the radiator grille 1 is formed of hard and hardly deformable ABS, and the front bumper 2 is formed of soft and easily deformable inexpensive polypropylene (PP). Therefore, the pawl 25 of the gate 23 can be deformed relatively easily, and the engagement between the hook 26 of the front bumper 2 and the through hole 15 of the radiator grill 1 can be released. That is,
In the present embodiment, the radiator grille 1 is easily moved by moving the claws 25 of the portal 23 in the direction of the arrow as shown in FIG. Can be removed. Further, as shown in FIG.
Since a is located on the rear R side in the vehicle assembled state with respect to the tip 13a of the pawl 13, the pawl 25 can be easily pushed up and the radiator grill 1 can be easily removed. As shown in FIG. 6, the gate mold 23 of the front bumper 2 can be molded without using a complicated mold structure such as a slide for the molding die (the cavity 33 and the core 34). Can be suppressed.

In this embodiment, the through-hole 15 is formed as a hole into which the hook 26 fits.
If there is a space in which can fit, a hollow shape may be used. Also,
In the present embodiment, the pawl 13 is provided on the radiator grill 1 and the portal 23 is provided on the front bumper 2, but the reverse is also possible. Further, the radiator grille 1 is provided with the through-hole 15 and the front bumper 2 is provided with the hook portion 26, but the reverse may be adopted.

[0015]

The mounting structure for a bumper and a grill according to the present invention is characterized in that when an insertion projection provided on one of the bumper main body and the grill main body is inserted into an insertion opening provided on the other from the front-rear direction of the vehicle. A projection provided on one of the insertion projecting portion and the insertion opening fits into a hole provided on the other, thereby locking the two, and a first portion provided on the bumper body.
Abutting portion and a second abutting portion provided on the grill main body abut against each other, whereby the insertion protruding portion and the insertion opening are in the vehicle up-down direction, and the abutting portions are in the vehicle front-rear direction. Since the positioning between the bumper main body and the grill main body is performed respectively, the gap between the bumper and the grill can be kept constant, and the assembling work, appearance, and impact resistance can be improved.

If an inclined surface is provided at the tip of the insertion protrusion, the workability of assembling the bumper and the grill can be further improved.

When the first contact portion and the second contact portion abut against each other, the distal end of the insertion protrusion is located in the insertion opening, so that the bumper and the grill can be removed. Work becomes easier.

If the bumper and the grill are made of resin, the number of assembly steps can be reduced and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view of a bumper and a grill according to an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of a portion A in FIG. 1 in the bumper and grill mounting structure according to the present invention.

FIG. 3 is a perspective view seen from the back side of FIG. 2;

FIG. 4 is a sectional view taken along line IV-IV in FIG. 2;

FIG. 5 is a sectional view taken along line VV in FIG. 2;

FIG. 6 is a sectional view of a molding die corresponding to the bumper in FIG.

FIG. 7 is an enlarged perspective view of a portion A in FIG. 1 in a conventional mounting structure of a bumper and a grill.

FIG. 8 is a sectional view taken along line XIII-XIII in FIG. 7;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 radiator grill 11 flange portion 12 mounting hole 13 nail 13 a tip 14 inclined surface 15 through hole 16 shoulder portion (second contact portion) 2 front bumper 21 flange portion 22 mounting hole 23 portal section 24 insertion opening 25 nail 25 a rear end 26 Hook portions 26a, 26b Slope 27 Front portion (first contact portion) 28 Extension portion 31 Clip 32 Screw 33 Cavity 34 Core δ Gap between radiator grille and front bumper R Arrow (displays vehicle rear side) W Arrow (Indicates vehicle width direction)

Claims (4)

[Claims] When an insertion projection provided on one of the bumper main body and the grill main body is inserted into an insertion opening provided on the other from the front-rear direction of the vehicle, one of the insertion projection and the insertion opening is provided. The projection provided on the bumper main body fits into the hole provided on the other side so that the two are locked, and the first abutment provided on the bumper main body and the second abutment provided on the grill main body. Abutting each other, whereby the insertion protrusion and the insertion opening position the bumper main body and the grill main body in the vehicle vertical direction, and the abutment portions in the vehicle front-rear direction. Bumper and grill mounting structure. 2. The mounting structure for a bumper and a grill according to claim 1, wherein an inclined surface is provided at a tip of the insertion projecting portion. 3. When the first contact portion and the second contact portion abut against each other, a tip of the insertion protrusion is located in the insertion opening.
Or the mounting structure of the bumper and the grill according to 2. 4. The mounting structure for a bumper and a grill according to claim 1, wherein said bumper and said grill are made of resin.