JPH10278708A - Grille fitting structure for automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To perform the positioning of a grille in a bumper with the simple structure, and while to perform the fitting of the grille without generating looseness by forming a bumper and a grille with a taper-shaped fitting part, and fitting the grille to the bumper in the condition that each taper-shaped fitting part is connected to each other. SOLUTION: At the time of fitting a grille 3 to a bumper 2, a pair of opposite pieces 15a, 15b of a rib piece 15 are respectively engaged with a pair of side surfaces 11a, 11b of a rib 11 in the condition that they are moved in the direction for separating from each other. Consequently, a taper-shaped fitting part provided in the grille 3, which is formed of the opposite pieces 15a, 15b of the rib piece 15, and a taper-shaped fitting part provided in the bumper 2, which is formed of the side surfaces 11a, 11b of the rib 11, are connected to each other at taper-shaped fitting positions 17a, 17b inclined against the fore and aft direction of a car body. With this structure, the grille can be fitted by the simple inserting work, and assembling workability is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle grill mounting structure, and more particularly to a mounting structure for mounting a grill (radiator grill, net, etc.) disposed at the front of a radiator or the like to a bumper. It is.

[0002]

2. Description of the Related Art Conventionally, in the case of a grill (resin-made automobile part) of the type attached to a bumper, a grill 30 as shown in FIG. 12 is used to compensate for insufficient strength and to prevent occurrence of backlash. Both the upper part 30a and the lower part 30b are fixed to the bumper 32 by a plurality of screws 31. Further, the grill 30 is positioned so that the grill 30 can be positioned when the grill 30 is assembled to the bumper 32.
A plurality of engaging claws 34 are integrally formed on the back surface side of the outer frame part 33 of No. 0.

When mounting the above-described grill 30 on the bumper 32, first, the grill 30 is inserted into the grill mounting opening 35 of the bumper 32, and the plurality of engaging claws 3 of the grill 30 are inserted.
The grill 30 is positioned with respect to the bumper 32 by clicking and engaging the 4 with the peripheral portion of the opening 35 of the bumper 32. Thereafter, the screw 31 is screwed through the screw insertion hole 36 of the bumper 32 and the plurality of bosses 3
7 into the upper surface 30a of the grill 30.
The grill 30 is attached to the bumper 32 in a fixed state by tightening and fixing both the lower surface portion 30b and the bumper 32.

[0004]

However, in the conventional grill mounting structure as described above, a number of engaging claws 34 having a relatively complicated shape must be provided, and the boss 37 must be provided.
Must be provided on the upper and lower portions 30a, 30b of the grill 30, respectively.
There is a problem that the man-hour for assembling the grill 30 (the number of screws) increases. Further, the shape of the edge portion (the portion where the screw insertion hole 36 and the insertion hole of the engaging claw 34 are provided) of the grill attachment opening 35 on the bumper 32 side is easily deformed.
In fact, it is difficult to assemble the grill 30 if the strength of the periphery of the grill mounting opening 35 is low. Further, when the grill 30 is plated, the plating impairs the elasticity of the engaging claws 34 so that the engaging claws 34 become hard and difficult to assemble the bumpers 32 by the click engagement of the engaging claws 34. There is a problem.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned various problems, and an object of the present invention is to enable a grill to be positioned on a bumper while having a simple structure, and to allow the grill to be mounted without rattling. Another object of the present invention is to provide a grill mounting structure for an automobile, which can reduce the manufacturing cost and the mold cost of the grill and can improve the number of assembling steps and assembling workability.

[0006]

In order to achieve the above-mentioned object, according to the present invention, a tapered mating portion is formed on each of a bumper and a grill, and these tapered mating portions are engaged with each other. The grill is attached to the bumper in a state in which the grill is placed.

[0007] In a vehicle grill mounting structure in which a grill is fitted into the grill mounting opening of the bumper and the grill is mounted on the bumper, a rib portion extending into the grill mounting opening is provided on the bumper. A rib piece corresponding to a rib portion is provided on the grill, and the grill is disposed in a grill mounting opening of the bumper, and the rib portion of the bumper and the rib piece of the grill are engaged with each other at a tapered mating portion. The grill is attached to the bumper in a state where the grilles are combined.

Further, in the present invention, the tapered mating portion on the grill side is substantially U-shaped or V-shaped, and the tapered mating portion on the bumper side is substantially triangular or V-shaped in cross section.
It is shaped like a letter.

According to the present invention, the insertion piece of the grill is inserted into the insertion hole of the bumper, and the grill is rotated with respect to the bumper around the insertion point.
The grill and the bumper are configured to engage with each other in the mating shape portion.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS.

FIG. 1 shows a vehicle body front portion 1a of a four-wheeled vehicle 1 provided with a grill mounting structure according to the present invention,
In the figure, reference numeral 2 denotes a bumper disposed in the front of the four-wheeled vehicle 1, 3 denotes a grill attached to the bumper 2, 4 denotes a hood for covering an engine room (not shown), and 5a and 5b denote left and right sides. It is a headlamp.

The above-mentioned bumper 2 is formed in a longitudinal shape so as to correspond to the entire left and right length of the front surface of the front portion 1a of the vehicle body. 2a is integrally formed. As shown in FIGS. 1 and 2, the grill mounting portion 2a is provided with a grill mounting opening 6 composed of a long hole extending in the left-right direction. Part 7
Are formed with insertion holes 8a to 8d at a plurality of locations in the lower portion 7a. The upper portion 7b of the bent peripheral portion 7 has screw insertion holes 9a, 9
b, and these screw insertion holes 9a,
Claw engaging portions 10a and 10b are provided between the hooks 9b.

Further, the bumper 2 is provided with a rib portion 11 extending inside the grille mounting opening 6. Specifically, a rib portion (longitudinal rib) 11 vertically extending in the opening 6 at the left and right central portions of the grill attachment opening 6 is provided on the bumper 2. The shape of the rib 11 is
As shown in FIG. 3, the cross section has a substantially inverted triangular prism shape (a shape having a front side as an apex and a rear side as a bottom side).
Reference numerals 1a and 11b are curved surfaces that are inclined to opposite sides with respect to the longitudinal direction of the vehicle body and are slightly curved toward the outside of the triangular prism shape. The rib portion 11 has appropriate elasticity about the upper portion 7b and the lower portion 7a of the bumper 2 as axes. Thus, these side surfaces 11a, 11b
Are formed as tapered mating portions on the bumper 2 side.

On the other hand, the grill 3 is made of a synthetic resin member having an outer frame portion 3a having a shape corresponding to the grill mounting opening 6 and a lattice portion 3b provided in the outer frame portion 3a. Things. As shown in FIG. 2, the insertion pieces 12a to 12d corresponding to the insertion holes 8a to 8d are integrally formed on the lower surface of the outer frame 3a. Are integrally formed with bosses 13a and 13b having screw holes (not shown). The insertion pieces 12a to 12d have a simple shape such as a rectangular piece. Then, the boss 1 on the upper back surface of the outer frame portion 3a
Engagement claws 14a and 14b corresponding to the claw engagement portions 10a and 10b are integrally formed between 3a and 13b.
Engagement claws 14c and 14d are also integrally formed on both left and right side surfaces of the outer frame portion 3a.

Further, in this embodiment, a rib piece (longitudinal rib) 15 is provided at the center of the grill 3 in the left and right direction, extending vertically between the upper and lower portions of the outer frame 3a. As shown in FIG. 4, the rib piece 15 has a substantially V-shaped or U-shaped cross section, and has a tapered front side. The rib piece 15 has appropriate elasticity, and a pair of opposing piece portions 15a, 15b of the rib piece 15 is provided.
Is elastically deformable about the bent portion 15c. The facing pieces 15a and 15b are tapered mating portions on the grill 3 side.

Next, an operation procedure for attaching the grill 3 to the bumper 2 will be described below. First,
The insertion pieces 12a to 12d of the grill 3 are inserted into the insertion holes 8a to 8d of the bumper 2 attached to the vehicle body front part 1a of the four-wheel vehicle 1 as shown by an arrow α in FIG. The grille 3 is rotated in the direction indicated by the arrow β in FIG. 5 (the rear side of the vehicle body) around the engagement point (insertion point) between the holes 8a to 8d and the insertion pieces 12a to 12d, and the boss 13a of the grille 3 , 13b are brought into contact with the opening peripheral portion 2b of the bumper 2, and the engaging claws 14a, 14b of the grill 3 are click-engaged with the claw engaging portions 10a, 10b of the bumper 2. Thereafter, the screws 16a and 16b are inserted through the insertion holes 9a and 9b of the bumper 2 so that the boss 13 of the grill 3 is
a and 13b, and the upper part of the grill 3 is screwed to the bumper 2 (see FIG. 8), whereby the grill 3 is fitted in the grill mounting opening 6 of the bumper 2 as shown in FIG. 3 is fixed to the bumper 2.

In this case, the rib pieces 15 of the grill 3 are assembled to the rib portions 11 of the bumper 2 in a state of elastic repulsion. That is, with the attachment of the grill 3 to the bumper 2, the pair of opposing pieces 15a, 15b of the rib piece 15 engage with the pair of side faces 11a, 11b of the rib 11, respectively, as shown in FIG. The opposing pieces 15a, 15b are engaged with the side faces 11a, 11b of the rib 11 in a state of being moved away from each other by elasticity around the bent portion 15c of the rib piece 15. Therefore, the rib pieces 15
The tapered mating portion on the grill 3 side comprising the opposing piece portions 15a and 15b and the taper mating portion on the bumper 2 side comprising the side surfaces 11a and 11b of the rib portion 11 are arranged in the vehicle longitudinal direction. Sloped tapered mating shape location 17
a, 17b (see FIG. 7), and the elasticity of the rib pieces 15 causes the grill 3 to be in a state in which an elastic repulsive force in the direction indicated by the arrow γ in FIG. . Thus, by the elastic repulsion,
As shown in FIG. 8, the insertion pieces 12a to 12d of the grill 3 are closely attached to the front ends P of the insertion holes 8a to 8d of the bumper 2, while the rib pieces 15 of the grill 3 are attached to the rib portions 11 of the bumper 2. Since it is in a state of being elastically pressed, the grill 3 is attached to the bumper 2 without rattling in the vehicle longitudinal direction.

In this state, the rib piece 15
The ribs 11 are sandwiched between the side surfaces 15a and 15b of the rim, so that the grill 3 is positioned relative to the bumper 2 in the lateral direction of the vehicle body, and the grill 3 is attached to the bumper 2 without rattling in the lateral direction of the vehicle body. .

According to the grill mounting structure of this embodiment having such a configuration, the lower portion of the grill 3 is mounted without using screws, so that the number of screws can be reduced and the number of assembling steps can be reduced. Becomes possible. In addition, since it is not necessary to provide an engaging claw having a complicated shape at the lower portion of the grill 3, it is sufficient to provide the insertion pieces 12a to 12d having a simple shape.
The grill 3 can be easily formed, and the cost of the grill 3 and the cost of parts can be reduced. In addition, as described above, the grill 3 can be assembled by reducing the number of screws and performing a simple operation of inserting the insertion pieces 12a to 12d.

Further, in the present embodiment, a configuration is employed in which a rib 11 extending longitudinally in the grill attachment opening 6 is added to the bumper 2. Strength will be improved,
As a result, the periphery of the grill attachment opening 6 can be prevented from wobbling during the work of assembling the grill 3 to the bumper 2, and the assembling workability can be improved.

The embodiment of the present invention has been described above.
The present invention is not limited to this embodiment, and various modifications and changes can be made based on the technical idea of the present invention. For example, the rib portion 1 is inserted into the grill attachment opening 6 of the bumper 2.
1 cannot be provided, as shown in FIG. 9, a substantially V-shaped convex bent portion 18 is provided on the bumper 2 and a substantially V-shaped or U-shaped concave bent portion corresponding to the bent portion 18 is provided. A portion 19 is provided in the grill 3 and these bent portions 18,
19 may be engaged with each other to form a tapered mating portion. As shown in FIG. 10, a substantially V-shaped or U-shaped concave portion 20 corresponding to the bent portion 18 is provided, and the bent portion 18 and the concave portion 20 are engaged with each other to form a tapered alignment. It may be a shaped part. Further, in the present embodiment, the rib portion 11 and the rib piece 15 composed of the vertical ribs are provided on the bumper 2 and the grill 3, but only the horizontal ribs are provided on the bumper 2 and the grill 3, or the vertical ribs and the horizontal ribs are provided. It is also possible to provide both. When the horizontal ribs are provided, the grill 3 can be positioned in the vertical direction.

As shown in FIG. 11, a projection 21 is provided at the lower end of each of the insertion pieces 12a to 12d of the grill 3 so as to project toward the front of the vehicle body.
2, the insertion holes 8a to 8
It is also possible to configure so as to prevent the insertion pieces 12a to 12d from coming off from 8b.

[0023]

As described above, according to the present invention, the bumper and the grill are formed with tapered mating portions, and the grill is attached to the bumper in a state where the tapered mating portions are engaged with each other. Since the grill is mounted, it is possible to mount the grill to the bumper while preventing the grill from rattling with respect to the bumper and while positioning the grill relative to the bumper.

Further, according to the present invention, a rib portion extending into the grill attachment opening is provided on the bumper, and a rib piece corresponding to the rib portion is provided on the grill, and the rib portion of the bumper and the rib piece of the grill are tapered. The grille is mounted on the bumper in a state where the grilles are engaged with each other in the mating shape portions of the above, so that the same operation and effect as described above can be obtained, and the rib portion is provided in the grill mounting opening. , The strength of the grill mounting opening of the bumper can be improved, and the workability of assembling the grill to the bumper can be improved.

In the present invention, the tapered mating portion on the grill side is substantially U-shaped or V-shaped, and the tapered mating portion on the bumper side is substantially triangular or V-shaped in cross section. Therefore, the positioning of the grill with respect to the bumper in the lateral direction of the vehicle body or the longitudinal direction of the vehicle body can be appropriately performed at the time of assembling the grill to the bumper.

Further, according to the present invention, the insertion piece of the grill is inserted into the insertion hole of the bumper, and the grill is rotated with respect to the bumper around the insertion point, so that the grille and the grille are connected to each other at the mating shape portion. Since the configuration is such that the bumper and the bumper are engaged with each other, the grill can be easily and quickly attached to the bumper with a simple configuration. Moreover,
The shape of the grill insertion piece can be simple, and it is possible to reduce the number of screws by screwing only the part of the grill other than the part where the insertion piece is arranged. In addition, it is possible to further reduce the number of engaging claws having complicated shapes to be formed on the grill. Therefore, in addition to improving the assemblability of the grill, it is possible to reduce the cost of the mold of the grille and the manufacturing cost of the grille.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a front body of a four-wheeled vehicle provided with a grill mounting structure according to the present invention.

FIG. 2 is an exploded perspective view showing a grill attachment opening and a grill of the bumper.

FIG. 3 is an enlarged sectional view taken along line BB in FIG. 2, and is a sectional view showing a sectional shape of a rib portion of the bumper.

FIG. 4 is an enlarged sectional view taken along the line AA in FIG. 2, and is a sectional view showing a sectional shape of a rib piece of the grill.

FIG. 5 is a cross-sectional view showing an operation when attaching a grill to a bumper.

FIG. 6 is a perspective view showing a state in which the grill is attached to a bumper.

FIG. 7 is an enlarged sectional view taken along line CC in FIG. 6;

FIG. 8 is a cross-sectional view showing a mounting state of a grill to a bumper.

FIG. 9 is an exploded perspective view showing a modified example of a rib portion of a bumper and a rib piece of a grill.

FIG. 10 is an exploded perspective view showing another modification of the rib portion of the bumper and the rib piece of the grill.

FIG. 11 is a cross-sectional view showing a modified example in which a projection for retaining is provided on the insertion piece of the grill.

FIG. 12 is an exploded perspective view showing a conventional grill mounting structure.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Four-wheeled vehicle 2 Bumper 2a Grill attachment part 3 Grill 6 Grill attachment opening 8a-8d Insertion hole 11 Rib part 11a, 11b Side surface (taper-shaped mating part on bumper side) 12a-12d Insert piece 15 Rib piece 15a, 15b Opposing piece (tapered mating part on the grill side) 16a, 16b Screw 17a, 17b Tapered mating part 18 Convex bend 19 Concave bend 20 Depression 21 Protrusion

Claims (4)

[Claims] 1. A bumper and a grill are each formed with a tapered mating portion, and the grill is attached to the bumper while the tapered mating portions are engaged with each other. Car grill mounting structure. 2. A grill mounting structure for an automobile in which a grill is fitted into a grill mounting opening of a bumper and the grill is mounted on the bumper, a rib portion extending into the grill mounting opening is provided on the bumper. A rib piece corresponding to the rib portion is provided on the grill, and the grill is disposed in a grill mounting opening of the bumper, and the rib portion of the bumper and the rib piece of the grill are formed in a tapered mating portion. A grill mounting structure for an automobile, wherein the grill is mounted on the bumper while being engaged with each other. 3. The tapered mating portion on the grill side is substantially U-shaped or V-shaped, and the tapered mating portion on the bumper side is substantially triangular or V-shaped in cross section. The vehicle grill mounting structure according to claim 1 or 2, wherein: 4. The grill in the mating shape portion by inserting an insertion piece of the grill into an insertion hole of the bumper and rotating the grill relative to the bumper about the insertion point. The vehicle grill mounting structure according to any one of claims 1 to 3, wherein the vehicle and the bumper are configured to engage with each other.