JPH11314552A - Installation structure for vehicular grille - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation structure for a vehicular grille capable of reducing the number of part items, depressing the development of microvibration with positioning assuring, and also capable of downwardly installing a grille body on a bumper to facilitate its installation, allowing the retreating displacement of a projected part and the bumper by means of an allowance means on light collision, and preventing the grille body from breaking. SOLUTION: In an installation structure for a vehicular grille formed to install a grille body 13 at its part 9 on a bumper 1 at its upper part 21, the upper surface of the bumper 1 is provided with an upward and downward projected part 22 having an upward and downward locking part. The lower part 9 of the grille body 13 is provided with a hole part 26 engaging with the projected part 22 and an engaging member 27 for engaging with spring with the locking part. The hole part 26 of the grille body 13 is provided with an allowance means 29 allowing the movement of the projected part 22 in retreating and displacing the bumper 1.

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 in which a lower portion of a radiator grill is mounted on an upper portion of a shock absorbing bumper.

[0002]

2. Description of the Related Art Generally, when a radiator grill is mounted on a shock absorbing bumper, when the lower portion of the grill body and the upper portion of the bumper are rigidly fixed, the above-mentioned bumper retreats to the rear side in a light collision (during a light collision). There was a problem that the grill was damaged.

[0003] In order to solve such problems, conventionally,
For example, a vehicle grille mounting structure described in Japanese Patent Application Laid-Open No. 3-153337 has already been invented.

That is, as shown in FIG. 13, in a structure in which a radiator grill 92 is mounted on an upper portion of a front bumper 91, a rib 93 provided below the radiator grill 92 is provided with a clip hole 94 and a notch 95, and a front bumper 91 is provided. A through hole 97 is provided in the rib 96 above the 91, and the clip 9 is provided in the clip hole 94 and the through hole 97.
8 is a mounting structure for a vehicle grille to which both ribs 93 and 96 are fixed by inserting the ribs 8.

[0005] In this conventional structure, the front bumper 91 moves rearward with the clip 98 at the time of a light collision of the vehicle, so that there is an advantage that the radiator grille 92 can be prevented from being damaged.

However, this conventional structure requires a clip hole 94 for mounting the radiator grill 92 and the front bumper 91, and has a problem that the number of parts increases. In addition, in the above-described assisting structure, the radiator grille 92 is inserted and moved from the front to the rear when the clip 98 is attached to the front bumper 91, so that the assembling load is large and the assembling workability is poor. There was a problem. Further, when at least one of the above-described front bumper 91 and radiator grille 92 is made of synthetic resin or braid reinforced plastic, thermal expansion,
Due to shrinkage, a manufacturing error occurs, and when such a part manufacturing error occurs, the dimensional accuracy is deteriorated, so that there is a problem that it is difficult to attach the front bumper 91 and the radiator grill 92. .

[0007]

According to the first aspect of the present invention, a projection having an engaging portion is provided on the upper surface of a bumper, and a hole which fits into the projection is provided at a lower portion of the grill body. And an engaging member that elastically engages with the locking portion, and an allowance that allows the protrusion to move when the bumper is retracted, so that the use of a clip as in the related art is unnecessary, and The number of points can be reduced, and the engagement member elastically engages with the locking portion when the grill main body and the bumper are mounted, so that the occurrence of micro vibration is suppressed while securing the positioning property, Further, the grill main body can be assembled from above with respect to the bumper, and the assembling can be facilitated. In the event of a light collision, the projection means and the bumper are allowed to be retracted by the allowance means, and A vehicle gear that can prevent damage And an object thereof is to provide a mounting structure of Le.

The invention according to claim 2 of the present invention has the object of the invention according to claim 1 by setting the above-mentioned permitting means in a thin portion or a notch, so that the above-mentioned device is provided at the time of a light collision of a vehicle. An object of the present invention is to provide a mounting structure for a vehicle grill, which allows a protrusion on a bumper side and a retreating displacement of the bumper by a thin portion or a cutout portion, thereby reliably preventing damage to the grill main body.

According to a third aspect of the present invention, in addition to the object of the first aspect, a plurality of projections are provided at intervals in the left-right direction (vehicle width direction) of the upper bumper. By forming the holes on the grill main body side at least on both the left and right portions corresponding to the plurality of protrusions as long holes in the left and right direction, even if a manufacturing error occurs in the bumper and the grill, the holes are formed in the above-described long holes. It is an object of the present invention to provide a vehicle grill mounting structure capable of absorbing such an error.

According to a fourth aspect of the present invention, in addition to the object of the first aspect, the engaging member formed on the grill main body has a structure having a predetermined length in the left-right direction. By doing so, even if there is a manufacturing error in the bumper and the grill, the engaging member on the grill body side can be reliably elastically engaged with the locking portion of the projection on the bumper side to absorb the error. It is an object of the present invention to provide a vehicle grill mounting structure that can be installed.

According to a fifth aspect of the present invention, in addition to the object of the first aspect, the projection is integrally formed with the bumper, and the hole and the engaging member are integrally formed with the grill main body. Accordingly, it is an object of the present invention to provide a vehicle grille mounting structure capable of reducing the number of parts.

[0012]

According to a first aspect of the present invention, there is provided a vehicle grill mounting structure in which a lower portion of a grill main body is mounted on an upper portion of a bumper. A vertical projection having a locking portion for the vertical direction is provided, a hole portion fitted to the projection portion, and an engaging member elastically engaged with the locking portion are provided at a lower portion of the grill main body. The vehicle grill has a mounting structure in which a hole is formed in the hole of the grill main body, and a permitting means is provided for allowing the protrusion to move when the bumper is displaced backward.

According to a second aspect of the present invention, in addition to the structure of the first aspect of the present invention, there is provided a vehicle grille mounting structure in which the permitting means is set to a thin portion or a notch. And

According to a third aspect of the present invention, in addition to the configuration of the first aspect of the present invention, a plurality of projections are provided at intervals in the left-right direction of the bumper. At least the corresponding holes on the left and right sides of the grill main body are vehicular grille mounting structures that are set as long holes extending in the left-right direction.

According to a fourth aspect of the present invention, in addition to the configuration of the first aspect, the engaging member formed on the grill main body has a predetermined length in the left-right direction to absorb an error. It is a mounting structure for a vehicle grill having the same.

According to a fifth aspect of the present invention, in addition to the configuration of the first aspect, the protrusion is formed integrally with the bumper, and the hole and the engaging member are formed integrally with the grill main body. It is a mounting structure for a vehicle grille.

[0017]

According to the first aspect of the present invention, the hole at the lower portion of the grill main body is fitted into the projection provided on the upper surface of the bumper, and the engagement at the grill main body side is performed. Since the member elastically engages with the locking portion of the bumper side protrusion, there is no need for a conventional clip, and the number of parts can be reduced. Since it is possible to assemble from above, there is an effect that the assembling can be facilitated.

When the grill body and the bumper are mounted,
Since the engagement member on the grill main body resiliently engages with the locking portion on the bumper side, there is an effect that the occurrence of micro-vibration can be suppressed while securing the positioning property.

Further, the bumper is displaced backward in the event of a light collision of the vehicle. However, there is an effect that the projections can be moved by the above-mentioned permitting means, thereby preventing damage to the grill main body.

According to the invention described in claim 2 of the present invention,
In addition to the effect of the first aspect of the present invention, the above-described permitting means is set to a thin portion or a notch, so that at the time of a light collision of the vehicle, the bump on the bumper side and the bumper of the bumper are formed by the thin portion or the notch. This has the effect of allowing the retreating displacement to reliably prevent damage to the grill body.

According to the third aspect of the present invention,
In addition to the effects of the first aspect of the present invention, a plurality of projections are provided at intervals in the left-right direction of the bumper, and at least both left and right holes on the grill body side corresponding to the plurality of projections. Is formed as a long hole extending in the left-right direction. Therefore, even if a manufacturing error occurs in the bumper and the grill, there is an effect that the error can be absorbed by the long hole.

According to the invention described in claim 4 of the present invention,
In addition to the effect of the first aspect of the present invention, the engagement member formed on the grill main body has a structure having a predetermined length in the left-right direction, so that there is a manufacturing error in the bumper and the grill. Also, there is an effect that the engaging member on the grill main body side is securely and elastically engaged with the locking portion of the projection on the bumper side, and the error can be absorbed.

According to the invention described in claim 5 of the present invention,
In addition to the effect of the first aspect of the present invention, since the above-mentioned protrusion is formed integrally with the bumper, and the hole and the engaging member are formed integrally with the grill main body, the effect of reducing the number of parts can be achieved. is there.

[0024]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings. The drawing shows the mounting structure of the vehicle grill, and FIG.
In (front view), FIG. 2 (plan view), and FIG. 3 (cross-sectional view), the mounting structure of the vehicle grill is such that a resin radiator grill 2 is mounted on an upper portion of a resin front bumper 1,
As shown in FIG. 3, two upper rear portions of the radiator grill 2 are attached to a shroud upper member 4 as a vehicle body member using a two-piece fastener 3. In FIG. 3, reference numeral 5 denotes a hood including a hood outer panel 6 and a hood inner panel 7.

Here, the radiator grille 2 includes an upper rib 8 which is located at the upper part of the grille and protrudes in the rear direction and extends in the vehicle width direction, and lower ribs 9 which protrude in the rear direction and are located at the lower part or both right and left sides of the grill. Each element 8, 9, 12 of a mesh part 12 configured by combining a number of one-side slant members 10 inclined in one direction and a number of other-side slant members 11 inclined in another direction. Is integrally formed of synthetic resin, and a decorative member 15 composed of a separate member integrally engaged with an upper surface side of the grill main body 13 by a total of four engaging claws 14 (see FIG. 3). It is composed of

The front bumper 1 is made of polypropylene
The grill body 13 is made of a synthetic resin such as an ABS resin, and the decorative member 15 is made of a synthetic resin material such as an ABS resin. It is formed of a plating layer and, if necessary, an electroplating layer provided on the surface of the chemical plating layer.

As shown in FIG. 3, a rising piece 8a is integrally formed at the rear end of the upper rib 8 in the radiator grill 2 described above, and two portions of the rising piece 8a (see points P1 and P2 indicated by arrows in FIG. 2). ) Is attached to the shroud upper member 4 using the two-piece fastener 3 described above.

Further, as shown in FIG.
At the front end portion, a joining piece 8b having a substantially E-shaped cross section extending in the vehicle width direction is integrally formed, and locking holes are formed at four places (see points P3 to P6 indicated by arrows in FIG. 1) of the joining piece 8b. 16 ...
The engaging claw 14 of the decorative member 15 is engaged in each of the locking holes 16, and the decorative member 15 is integrally attached to the upper surface side of the grill main body 13.

Further, as shown in FIGS. 1 and 2, mounting pieces 8c extending outwardly from the upper rib 8 to the left and right are integrally formed, and the mounting pieces 8c, 8c are provided with bolt insertion holes 17,
17, the mounting piece 8c, the bumper seating surface 18 and the lamp seating surface 1 located below the mounting piece 8c.
9 are mounted using a clip night 20 to be mounted on the lamp seating surface 19 and a bolt (not shown) inserted into the bolt insertion hole 17 described above.

As shown in FIG. 3, a rib 21 projecting in the rear direction and extending in the longitudinal direction along the shape of the bumper is integrally formed on the upper portion of the front bumper 1 as shown in FIG. The lower part of the main body 13, that is, the lower rib 9, is attached to the upper part of the front bumper 1, that is, the rib 21.

The rib 21 in the above-described front bumper 1
As shown in FIGS. 3 and 4, a substantially columnar locking pin 22 (a so-called boss portion) is formed integrally with the bumper 1 as shown in FIGS. The top of the locking pin 22 is formed in a tapered portion 23 for the purpose of improving the engagement operability, while the front surface of the locking pin 22 is notched in a concave shape so as to be continuously opened in the left-right direction. A locking concave portion 24 is formed as a locking portion with respect to.

In addition, at the lower rib 9 of the grill main body 13 at a position vertically opposed to the above-mentioned three locking pins 22, a box whose rear is open as shown in FIGS. 5, 6 and 7. 25 are integrally formed.

In the lower rib 9 in the box 25 which also serves to reinforce this strength, a hole 26 is formed in the lower rib 9 to be fitted to the above-mentioned locking pin 22. A total of three holes 26 are formed.
The middle hole portion 26 of... Is set to be a long hole long in the left-right direction (vehicle width direction) as shown in FIGS.

The front wall 25a of each box 25 described above.
In this embodiment, a locking claw 27 is integrally formed as an engaging member that resiliently engages with the locking concave portion 24 of the locking pin 22 on the bumper 1 side. Grooves 28, 28 are formed to impart elasticity to the locking claws 27. This locking claw 27 is an engaging member having a predetermined length L in the left-right direction (vehicle width direction) to absorb errors as shown in FIGS.

Further, the hole 26 in the lower rib 9 described above.
When the front bumper 1 is displaced backward during a light collision from the rim of the lower rib 9 to the rear end surface 9a of the lower rib 9, a thin portion as an example of a permitting means that enables movement of the locking pin 22 integral with the bumper 1. 29 (thin film part). The thickness (film thickness) of the thin portion 29 is set to about 0.5 mm.

In the mounting structure of the vehicle grill configured as described above, first, the front bumper 1 is mounted on the vehicle body, and after the mounting of the bumper 1, the radiator grill 2 is mounted on the bumper 1 from above the bumper 1. At this time, when the grill main body 13 is pressed downward from above, as shown in FIGS. 8 and 9, a total of three locking pins 22 on the rib 21 of the front bumper 1 are moved to the lower rib on the grill main body 13 side. 9, and the locking concave portion 24 of the locking pin 22 is elastically pressed by the locking hole 27, so that the locking pin 22 and the hole 26 are connected to each other. Positioning is achieved, and grille body 13 is temporarily held on front bumper 1
(Tentative set).

Next, the rising piece 8a of the upper rib 8 of the grill main body 13 is attached to the shroud upper member 4 using the two-piece fastener 3 shown in FIG.

As described above, according to the vehicle grill mounting structure of the above embodiment, the hole 26 at the lower portion of the grill main body 13 is formed with respect to the protrusion (see the locking pin 22) provided on the upper surface of the front bumper 1. Mating and engaging members on the grill body 13 side
Since the locking claw 27 (see the locking claw 27) resiliently engages with the locking portion (see the locking recess 24) of the protrusion (see the locking pin 22) on the front bumper 1 side, the conventional clip becomes unnecessary. ,
The effect is that the number of parts can be reduced, and the grill main body 13 having high mechanical strength in the vertical direction can be assembled by pressing the front bumper 1 from above to below. There is an effect that attachment can be facilitated.

When the grill main body 13 and the front bumper 1 are mounted, the engaging member (see the locking claw 27) on the grill main body 13 side with respect to the locking portion (see the locking recess 24) on the front bumper 1 side. Since the locking pin 22 is elastically engaged,
6 is pressed by the rear side edge of the hole, and there is an effect that the occurrence of micro-vibration can be suppressed while securing the positioning property.

Further, at the time of a light collision of the vehicle, the front bumper 1 is displaced backward, but the above-mentioned permitting means (see the thin portion 29).
Accordingly, there is an effect that the protrusion (see the locking pin 22) can be moved and the grill main body 13 can be prevented from being damaged.

Here, since the permitting means is set in the thin portion 29, when the vehicle is in a light collision, the above-described locking pin 2 is used.
The front bumper 2 can be retracted by breaking the thin portion 29.
In this case, there is an effect that the displacement of the grill main body 13 can be reliably prevented by allowing the backward displacement.

In addition, a plurality of protrusions (see locking pins 22) are provided at intervals in the left-right direction of the front bumper 1, and at least the left and right corresponding to the plurality of protrusions (see locking pins 22) are provided. Holes 26, 2 on both sides of grill body 13
6 is formed as a long hole in the left-right direction, so that manufacturing errors (thermal expansion due to resin parts,
Even when an error due to shrinkage occurs, there is an effect that the error can be absorbed by the above-described slot.

Further, the engaging member (see the locking claw 27) formed on the above-mentioned grill main body 13 is fixed to a predetermined length L in the left-right direction.
Therefore, even when there is a manufacturing error in the front bumper 1 and the grill 2, even if there is a manufacturing error, the locking portion (see the locking recess 24) of the protrusion (see the locking pin 22) on the front bumper 1 side. Engaging member (locking claw 27) on grill body 13 side
Are relatively movable in the lateral direction, and are reliably elastically engaged, so that the error can be absorbed.

Further, the above-mentioned protrusion (see the locking pin 22)
To the front bumper 1, the hole 26 and the engaging member.
Since the locking claws 27 are formed integrally with the grill main body 13, the number of parts can be reduced.

FIGS. 10, 11 and 12 show another embodiment of the mounting structure of the vehicle grille. In the previous embodiment, the permitting means for enabling the movement of the locking pin 22 when the bumper is retracted is described. As an example, the thin portion 29 is illustrated, but FIG.
In the embodiments shown in FIGS. 0, 11, and 12, the cutout portion 30 is employed as the above-described permitting means.

That is, the front bumper 1 is displaced backward from the edge of the round hole 26 shown in FIG. 10 and the edge of the long hole 26 shown in FIG. 11 to the rear end surface 9a of the lower rib 9. At this time, a notch 30 is formed so as to enable the movement of the locking pin 22 integral with the bumper 1. Even with this configuration, the same operation and effect as those of the previous embodiment can be obtained. Therefore, in FIGS. 10, 11, and 12, the same parts as those in the previous figures are denoted by the same reference numerals, and detailed description thereof will be made. Is omitted.

In correspondence between the structure of the present invention and the above-described embodiment, the bumper of the present invention corresponds to the front bumper 1 made of resin, and similarly, the locking portion corresponds to the locking recess 24. , The vertical projections correspond to the locking pins 22, the engaging members correspond to the locking claws 27, and the permitting means is the thin portion 2.
9, corresponding to the notch 30, the present invention is not limited to the configuration of the above-described embodiment.

For example, in the above embodiment, the radiator grill 2 attached to the front side of the vehicle has been exemplified.
Of course, the present invention may be applied to a mounting structure of a grill on the rear side in a rear engine vehicle.

[Brief description of the drawings]

FIG. 1 is a front view showing a mounting structure of a vehicle grill of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a perspective view of a vertical projection formed on a bumper.

FIG. 5 is a perspective view showing a main part of the grill main body when viewed from the upper rear.

FIG. 6 is a perspective view showing a main part of the grill main body when viewed from the upper rear side.

FIG. 7 is a perspective view showing a main part of the grill main body when viewed from the front upper part.

FIG. 8 is a cross-sectional view showing an engagement state between a bumper-side projection and a grill body-side hole.

FIG. 9 is a sectional view taken along line BB of FIG. 8;

FIG. 10 is a perspective view showing another embodiment of the permitting means.

FIG. 11 is a perspective view showing a main part of the grill main body when viewed from the upper rear side.

FIG. 12 is a cross-sectional view showing an engagement state between a bumper-side projection and a grill body-side hole.

FIG. 13 is a cross-sectional view showing a conventional vehicle grill mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Front bumper (bumper) 13 ... Grill main body 22 ... Locking pin (vertical projection part) 24 ... Locking concave part (locking part) 26 ... Hole 27 ... Locking claw (engaging member) 29 ... Thin part (Allowable means) 30 ... Notch (Allowable means)

Claims (5)

[Claims] 1. A mounting structure for a vehicle grill in which a lower portion of a grill main body is mounted on an upper portion of a bumper, wherein a vertical projection having a locking portion for a vertical direction is provided on an upper surface of the bumper. The lower portion of the grill main body is provided with a hole that fits into the protrusion, and an engaging member that elastically engages with the locking portion. The bumper is displaced backward in the hole of the grill main body. At this time, a mounting structure for a vehicle grill provided with a permitting means that allows the protrusion to move. 2. The mounting structure for a vehicle grill according to claim 1, wherein said permitting means is set in a thin portion or a notch portion. 3. A plurality of projections are provided at intervals in the left-right direction of the bumper, and at least the left and right holes on the grill body side corresponding to the plurality of projections are set to be long holes in the left-right direction. The mounting structure for a vehicle grill according to claim 1. 4. The mounting structure for a vehicle grill according to claim 1, wherein said engaging member formed on said grill main body has a predetermined length in the left-right direction to absorb an error. 5. The mounting structure for a vehicle grill according to claim 1, wherein said projection is formed integrally with a bumper, and said hole and said engaging member are formed integrally with a grill main body.