JP3508440B2 - Automotive lamp mounting structure - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile lamp mounting structure, and more particularly to a lamp mounting structure in which a lamp unit is incorporated in a bumper.

[0002]

2. Description of the Related Art Among conventional lamp mounting structures for automobiles, as disclosed in, for example, Japanese Utility Model Laid-Open No. 6-75887, there is a lamp mounting surrounded by a peripheral wall formed by folding back the front wall of a bumper. It is known that a hole is formed and a lamp unit is inserted into the lamp mounting hole for mounting.

[0003]

When the lamp housing of the lamp unit, which is projected and exposed to the rear side of the lamp mounting hole, is splashed with water from the rear side, the muddy water flowing down the outer surface of the lamp housing causes the muddy water to flow down the lower wall of the lamp housing. Then, it flows out from between the lower wall of the peripheral wall of the lamp mounting hole and the outer surface of the front wall of the bumper, and the appearance is deteriorated.

As a countermeasure for this, a sealing material may be filled and arranged between the lower wall of the lamp housing and the lower wall of the peripheral wall of the lamp mounting hole. However, the number of parts and the number of assembling steps are high, and it is costly. It will be a disadvantage.

Further, in the above-mentioned conventional structure, a front-rear rib is formed by projecting a joint portion between the lamp lens of the lamp unit and a jaw portion on the outer periphery of the front end of the lamp housing on the upper surface of the lower wall of the peripheral wall of the lamp mounting hole. Since the lamp unit is fixed by pressing it against, the adhesive that doubles as a sealant at the joint between the lamp lens and the lamp housing will crack due to the prying load when the lamp unit is inserted, and the sealing performance will be improved. May be damaged.

Therefore, according to the present invention, the muddy water flowing down along the outer surface of the lamp housing is not provided between the lower wall of the lamp housing and the lower wall of the peripheral wall of the lamp mounting hole without providing a dedicated seal member around the lamp unit mounting portion. (EN) A lamp mounting structure for an automobile capable of preventing the outflow to the outer surface of the front wall of a bumper from a space.

[0007]

According to a first aspect of the present invention, a lamp mounting hole surrounded by a peripheral wall formed by folding back is formed in a front wall of a bumper, and a lamp unit is inserted into the lamp mounting hole. In the attached structure, at the lower rear edge of the jaw on the outer periphery of the front end of the lamp housing to which the lamp lens of the lamp unit is joined, the rear end is separated from the lower wall of the lamp housing and the rear end is the lower wall of the peripheral wall of the lamp mounting hole. the provided eaves portion protruding rearwardly from the end, along the outer surface of the lamp housing
The muddy water flowing down as a result is captured by the eaves part and
The feature is that it is dropped from the end and drained .

According to a second aspect of the present invention, the eaves portion is formed so that its bottom surface is flush with the bottom surface of the lower jaw portion of the lamp housing.

According to a third aspect of the present invention, the eaves are provided with curling portions on both sides of the eaves which are bent upward and rise up.

According to a fourth aspect of the present invention, a plurality of front and rear ribs with which the eaves are in sliding contact are provided on the upper surface of the lower wall of the peripheral wall of the lamp mounting hole.

According to a fifth aspect of the present invention, a guide slope portion that is inclined rearward is formed at the front edge of the front-rear rib.

According to a sixth aspect of the present invention, one of the side walls of the lamp housing is provided with a locking projection piece and the other side wall is provided with a fixing bracket piece, and the lamp mounting hole is provided with a side wall of a peripheral wall thereof. A locating hole for inserting and engaging the locking projection is formed on one side, and a seat portion for fixing the bracket piece is recessed on the other side edge of the lamp mounting hole to locate the locking projection diagonally from the front. It is characterized in that the lamp unit is inserted into the hole, the lamp unit is rotated rearward with the engaging portion between the locking projection and the locate hole as a fulcrum, and the bracket piece is overlapped with the seat surface and fastened and fixed.

According to a seventh aspect of the present invention, the rear edge of the locate hole is formed with a flange for inserting and guiding the locking projection.

[0014]

According to the first aspect of the present invention, when the splashes are scattered from the rear of the lamp housing and the lamp housing is flooded and the muddy water flows down along the outer surface of the lamp housing, all the muddy water that has flowed down is captured by the eaves. In addition, the muddy water is drained from the rear end of the eave portion protruding rearward from the lower end of the lower wall of the peripheral wall of the lamp mounting hole, so that muddy water is discharged between the lower wall of the lamp housing and the lower wall of the peripheral wall of the lamp mounting hole. There is no leakage from the gap to the outer surface of the front wall of the bumper, and the appearance can be further improved.

Further, when the lamp unit is inserted into the lamp mounting hole from the front to mount the lamp unit, the eaves can serve as an insertion guide to easily insert the lamp unit into the lamp mounting hole.

According to the second aspect, in addition to the effect of the first aspect, the bottom surface of the eaves portion is formed so as to be aligned with the bottom surface of the lower jaw portion of the lamp housing, and therefore the lamp of the lamp unit. It can be inserted smoothly without getting caught by the jaw when inserting it into the mounting hole.

According to claim 3, in addition to the effects of claims 1 and 2, muddy water flowing down along the outer surface of the lamp housing can be reliably captured by the curling portion, and muddy water is spilled from the side of the eaves portion. It is possible to reliably drain water from the rear end of the eaves.

Further, when the lamp unit is inserted into the lamp mounting hole from the front side, the curling portion does not cause the side edge of the eave part to be caught on the side edge of the lamp mounting hole, so that the insertability can be further improved.

According to the fourth aspect, in addition to the effects of the first to third aspects, the sliding resistance of the eaves portion can be reduced by the front and rear ribs when the lamp unit is inserted into the lamp mounting hole, and the insertability is further improved. can do.

Further, since the eaves portion abuts on the front-rear rib, the joint portion between the lamp lens and the jaw portion of the lamp housing is separated from the lower wall of the peripheral wall of the lamp mounting hole and is in a non-contact state. An external force does not act on the joint, and problems such as cracking of the adhesive can be avoided.

According to the fifth aspect, in addition to the effect of the fourth aspect, since the guide slope portion which is inclined rearward is formed at the front edge of the front-rear rib, when the lamp unit is inserted into the lamp mounting hole. Since the rear end of the eaves portion is not caught by the front-rear rib, the insertability can be improved.

According to the sixth aspect, in addition to the effects of the first to fifth aspects, when the lamp unit is fixed, the bracket piece is inserted into and engaged with the locate hole obliquely from the front of the lamp mounting hole in the vertical direction. By rotating the lamp unit rearward with the engaging portion between the bracket piece and the locate hole as a fulcrum, the lamp unit can be smoothly inserted into the lamp mounting hole without interfering with its peripheral wall. Moreover, since it is only necessary to fasten and fix the bracket piece on one side of the lamp unit, the assembling work can be easily performed.

According to the seventh aspect, in addition to the effect of the sixth aspect, the tip of the locking projection is abutted against the flange and slid so that the locking projection is smoothly inserted into the locate hole. Therefore, the workability of assembling the lamp unit can be further improved.

[0024]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of the present invention will be described in detail below with reference to the drawings.

1 to 4, reference numeral 1 denotes a bumper made of an elastic material such as resin, and a lamp mounting hole 3 surrounded by a peripheral wall 4 formed by folding back is formed at a required portion of a front wall 2 thereof. is there.

The lower wall 4a of the peripheral wall 4 extends from the central portion to the rear end of the eave portion 14 of the lamp housing 11, which will be described later.
A plurality of front-rear ribs 5 that are in sliding contact with each other are embossed.

The front edge of the front-rear rib 5 is formed as a rearwardly inclined guide slope portion 5a.

A flange 6 is formed at the rear end of one side wall 4b of the peripheral wall 4 toward the inside, and a plurality of upper and lower locate holes 7 are formed in the bent base of the side wall 4b. Has been formed.

Further, a plurality of upper and lower seat portions 8 are recessed at the side edge of the lamp mounting hole 3 opposite to the side wall 4b.

The lamp unit 10 comprises a lamp housing 11 having a bulb inside and a lamp lens 12.

A jaw portion 13 is formed on the outer periphery of the front end portion of the lamp housing 11, and the rear end edge of the lamp lens 12 is engaged with the front end surface of the jaw portion 13 and joined by an adhesive that also serves as a sealing material. I am doing it.

An eaves portion 14 is integrally formed on the lower rear edge of the jaw portion 13 so as to be separated from the lower wall 11a of the lamp housing 11.

This eaves portion 14 is provided with the lamp unit 10 inserted into the lamp mounting hole 3 and mounted therein.
The lower wall 4a is formed to have a length protruding rearward from the rear end thereof.

Further, the eaves portion 14 has its bottom surface on the lower jaw portion 1
A curling portion 14a is formed so as to be flush with the bottom surface of the sheet 3 and to be bent upward so as to rise.

One side wall 11b of the lamp housing 11
Is integrally formed with a pair of upper and lower engaging projections 15 that are inserted into and engaged with the locate hole 7 of one side wall 4b of the lamp mounting hole 3, and the other side wall 11c is provided with the other side of the lamp mounting hole 3. Upper and lower parts 1 that are fastened and fixed by overlapping with the seat part 8 provided at the edge
A pair of bracket pieces 16 are integrally projected.

The lamp unit 10 is mounted by inserting it into the lamp mounting hole 3 from the front. At this time, as shown in FIG. 2, the lamp unit 10 is mounted from the side of the lamp unit 10 where the locking projection 15 is provided. Slantingly inserting the locking projection 15 into the flange 6 from the front and sliding the locking projection 15 laterally.
5 is inserted into and engaged with the locate hole 7, the lamp unit 10 is rotated rearward with the engaging portion of the locking projection 15 and the locate hole 7 as a fulcrum, and the bracket piece 1
6 on the seat 8 and bolt 17 and nut plate 18
Fasten and secure with.

According to the structure of the above embodiment, when the vehicle is traveling, the splashes are scattered from the rear of the lamp housing 11 and the lamp housing 11 is exposed to water. When the muddy water flows down along the outer surface of the lamp housing 11, the muddy water flowing down is All eaves 14
And the curling portions 14a on both sides prevent spillage from the side, and the lower wall 4a of the lamp mounting hole 3 is captured.
It is dripped and drained from the rear end of the eaves portion 14 protruding rearward from the rear end.

Therefore, muddy water flowing down along the outer surface of the lamp housing 11 does not flow out between the lamp unit 10 and the lower wall 4a of the lamp mounting hole 3 to the outer surface of the front wall 2 of the bumper 1, The appearance can be further improved.

Further, as described above, the lamp housing 11
An eaves portion 14 is formed on the rear edge of the lower wall of the jaw portion 13 on the outer periphery of the front end portion of the eaves portion 14, and the eaves portion 14 is formed such that its bottom surface is flush with the bottom surface of the jaw portion 13. Since the curling portions 14a are provided on both sides, when the lamp unit 10 is inserted into the lamp mounting hole 3 from the front and mounted, the eaves portion 14 serves as an insertion guide on the lower wall 4a of the lamp mounting hole 3. Since it can be smoothly slid and inserted without being caught in the lamp, the insertion work into the lamp mounting hole 3 can be easily performed.

In particular, in this embodiment, a plurality of front-rear ribs 5 slidably contacting the eaves 14 are provided on the lower wall 4a of the lamp mounting hole 3.
Since the protrusion is provided, the sliding resistance of the eaves portion 14 can be reduced and the insertability can be improved. Moreover, the front edge of the front-rear direction rib 5 is formed as a backward inclined guide slope portion 5a. Therefore, the rear end of the eaves portion 14 is not caught on the front-rear rib 5 and can be smoothly climbed onto the front-rear rib 5, and the insertion work can be easily performed.

The presence of the front-rear rib 5 causes the eaves portion 14 to abut on the front-rear rib 5,
Since the joint between the lamp lens 12 and the jaw 13 on the outer periphery of the front end of the lamp housing 11 is separated from the lower wall 4a of the lamp mounting hole 3 and is in a non-contact state, no external force acts on the joint. It is possible to avoid problems such as cracking of the adhesive.

Further, in this embodiment, a pair of upper and lower engaging projections 15 projecting from one side of the lamp housing 11 are provided in the locate hole 7 provided on one side wall 4b of the lamp mounting hole 3 and the lamp mounting hole 3 is provided. Is inserted and engaged diagonally from the front, and the lamp unit 10 is pivoted rearward with the engaging portion as a fulcrum to project a pair of upper and lower bracket pieces 16 protruding from the other side of the lamp housing 11 into the lamp mounting holes. Since it is designed to overlap with the seat portion 8 recessed at the other side edge of the lamp 3 for fastening and fixing, the lamp unit 10 can be positioned in the vertical direction by the engagement of the locking projection 15 and the locate hole 7. By rotating the lamp unit 10 rearward, the lamp unit 10 can be smoothly inserted into the lamp mounting hole 3 as a whole without interfering with the peripheral wall 4, and one side of the lamp unit 10 The assembly work from it only fastened to bracket pieces 16 can be easily performed.

Further, a flange 6 is provided at the rear edge portion of the locate hole 7, and a locking projection 15 is attached to the flange 6.
Since it is possible to guide the insertion into the locate hole 7 by abutting the tip of the lamp, the assembling work of the lamp unit 10 can be further improved.

[Brief description of drawings]

FIG. 1 is a sectional view taken along the line AA of FIG. 4 showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along the line BB in FIG.

FIG. 3 is a perspective view of the lamp unit as viewed from the rear.

FIG. 4 is a front view showing a lamp mounting hole forming portion of the bumper.

[Explanation of symbols]

1 bumper 2 front wall 3 Lamp mounting hole 4 surrounding walls 4a lower wall 4b side wall 5 Front-rear rib 5a Guide slobe part 6 flange 7 Locate hole 8 seats 10 lamp units 11 Lamp housing 11a lower wall 11b, 11c Side wall 12 lamp lens 13 jaw 14 eaves 14a Curling part 15 Locking protrusion 16 bracket pieces

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B60Q 1/26 B60R 19/50 F21V 31/00

Claims (7)

(57) [Claims] 1. A structure in which a lamp mounting hole surrounded by a peripheral wall which is formed by folding back is formed on a front wall of a bumper, and a lamp unit is inserted and mounted in the lamp mounting hole.
At the lower rear edge of the jaw on the outer periphery of the front end of the lamp housing to which the lamp lens of the lamp unit is joined, the rear end is separated from the lower wall of the lamp housing, and the rear end is rearward of the rear end of the lower wall of the peripheral wall of the lamp mounting hole. Providing a protruding eaves for lamp housing
Muddy water that flows down the outer surface of the ring is captured by the eaves.
At the same time, a lamp mounting structure for an automobile is characterized in that the water is dripped from the rear end of the eaves and drained . 2. The lamp mounting structure for an automobile according to claim 1, wherein the eaves portion is formed such that the bottom surface thereof is flush with the bottom surface of the lower jaw portion of the lamp housing. 3. The lamp mounting structure for an automobile according to claim 1, wherein the eaves portion is provided with curling portions on both sides of the eaves portion which are bent upward and rise up. 4. The lamp for an automobile according to claim 1, wherein a plurality of front and rear ribs with which the eaves are in sliding contact are provided on the upper surface of the lower wall of the peripheral wall of the lamp mounting hole. Mounting structure. 5. The vehicle lamp mounting structure according to claim 4, wherein a guide slope portion which is inclined rearward is formed at a front edge of the front-rear rib. 6. A locking projection is provided on one side wall of the lamp housing, and a fixing bracket piece is projected on the other side wall, and the locking projection is provided on one side wall of the peripheral wall of the lamp mounting hole. A locating hole for inserting and engaging the piece is formed, and a seat portion for fixing the bracket piece is recessed on the other side edge of the lamp mounting hole, and a locking projection is inserted into the locating hole from diagonally forward, The lamp unit is rotated rearward with the engaging portion between the locking projection and the locate hole as a fulcrum, and the bracket piece is superposed on the seat surface and fastened and fixed.
5. A lamp mounting structure for an automobile according to any one of to 5. 7. A flange for inserting and guiding a locking projection is formed at the rear edge of the locate hole.
The above-mentioned automobile lamp mounting structure.