JPH10194038A - Lamp fitting structure of automobile - Google Patents

Abstract

PROBLEM TO BE SOLVED: To improve appearance by avoiding flowing out of muddy water stacked to a lamp housing from a place between the lower side of a lamp unit and the lower wall of a lamp fitting hole to outer surface of the front wall of a bumper. SOLUTION: When a lamp housing 11 in a lamp unit 10 receives a splash and muddy water flows down along the outer surface of the housing, it is caught by the eves 14 constructed to protrude at the lower rear end of a jaw part 13 on the outer circumference of the from end of the lamp housing 11, and dropped and drained from the rear end of the eaves 14 protruded to the rear further than the rear end of lower wall 4a of a lamp fitting hole 3. Accordingly, this structure enables to avoid flowing out of muddy water from between the lower side of the lamp unit 10 and the lower wall 4a of the lamp fitting hole 3 to the outer surface of the front wall 2 of a bumper 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a lamp mounting structure for an automobile, 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 In a conventional lamp mounting structure for a vehicle, for example, as shown in Japanese Utility Model Application Laid-Open No. 6-75887, a lamp mounting structure which is surrounded by a peripheral wall which is formed by folding back on a front wall of a bumper. It is known that a hole is formed and a lamp unit is inserted into the lamp mounting hole and mounted.

[0003]

When the lamp housing of the lamp unit, which protrudes to the rear of the lamp mounting hole and is exposed, is splashed from behind, muddy water flowing down the outer surface of the lamp housing flows down the lower wall of the lamp housing. And it flows out to the front wall outer surface of a bumper from between the lower wall of the peripheral wall of a lamp mounting hole, and an appearance deteriorates.

[0004] As a countermeasure, a sealing material may be filled 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 operations are increased, and the cost is reduced. It is disadvantageous.

In the conventional structure, the joint between the lamp lens of the lamp unit and the jaw on the outer periphery of the front end of the lamp housing is formed by a front-rear rib projecting from the upper surface of the lower wall of the peripheral wall of the lamp mounting hole. The lamp unit is fixed by pressing the lamp unit into the lamp unit. May be damaged.

In view of the above, the present invention provides a method in which muddy water flowing down the outer surface of the lamp housing is formed 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 sealing member around the lamp unit mounting portion. An object of the present invention is to provide a lamp mounting structure for an automobile, which can prevent the bumper from flowing out to the outer surface of the front wall of the bumper from between.

[0007]

According to a first aspect of the present invention, a lamp mounting hole is formed in a front wall of a bumper and is surrounded by a peripheral wall formed by folding back, and a lamp unit is inserted into the lamp mounting hole. In the mounted structure, the lamp lens of the lamp unit is joined to the lower rear edge of the jaw at the outer periphery of the front end of the lamp housing. It is characterized by providing an eaves part protruding backward from the end.

According to a second aspect of the present invention, the bottom of the eave portion is formed so as to be 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 portion is provided with curling portions on both sides thereof, which are curled upward and rise.

According to a fourth aspect of the present invention, a plurality of longitudinal ribs with which the eaves slide 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 inclined rearward is formed at a front edge of the front-back direction rib.

According to a sixth aspect of the present invention, a locking projection is provided on one of the side walls of the lamp housing, and a fixing bracket is protruded on the other side wall. One side is formed with a locating hole for inserting and engaging the locking projection, and the other side edge of the lamp mounting hole is recessed with a seat for fixing the bracket piece, and the locking projection is located diagonally from the front. 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 is overlapped on the seat surface and fastened and fixed.

According to a seventh aspect of the present invention, a flange is formed at the rear edge of the locate hole to insert and guide the locking projection.

[0014]

According to the first aspect of the invention, when the splash scatters from the rear of the lamp housing and the lamp housing is flooded, and the muddy water flows down the outer surface thereof, all the muddy water flowing down is captured by the eaves. And water is dripped and drained from the rear end of the eave portion projecting rearward from the rear end of the lower wall of the peripheral wall of the lamp mounting hole. There is no possibility that it will flow out 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 and mounted, the eaves portion serves as an insertion guide so that the operation of inserting the lamp unit into the lamp mounting hole can be easily performed.

According to the second aspect, in addition to the effect of the first aspect, the bottom surface of the eave portion is formed so as to be flush with the bottom surface of the lower jaw portion of the lamp housing. The insertion can be performed smoothly without being caught by the jaws at the time of insertion into the mounting hole.

According to the third aspect, in addition to the effects of the first and second aspects, the curling portion can reliably capture the muddy water flowing down the outer surface of the lamp housing, and the muddy water spills from the side of the eave portion. The drainage can be surely drained from the rear end of the eaves portion without any.

When the lamp unit is inserted into the lamp mounting hole from the front, the curling portion prevents the side edge of the eaves portion from being hooked 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, when the lamp unit is inserted into the lamp mounting hole, the sliding resistance of the eave portion can be reduced by the front-back direction ribs, and the insertability is further improved. can do.

Since the eaves abut on the front-rear ribs, the joint between the lamp lens and the jaw of the lamp housing is separated from the lower wall of the peripheral wall of the lamp mounting hole to be in a non-contact state. It is possible to avoid problems such as cracking of the adhesive without an external force acting on the joint.

According to the fifth aspect, in addition to the effect of the fourth aspect, since a guide slope portion inclined backward is formed at the front edge of the front-rear direction rib, when the lamp unit is inserted into the lamp mounting hole. The rear end of the eaves portion is not hooked on the front-back direction rib, and 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 locating hole obliquely from the front of the lamp mounting hole so as to be vertically oriented. By rotating the lamp unit rearward with the engaging portion between the bracket piece and the locating hole as a fulcrum, the lamp unit can be smoothly inserted into the lamp mounting hole without interfering with the peripheral wall thereof. In addition, 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, by sliding the front end of the locking projection against the flange, the locking projection is smoothly inserted into the locate hole. Therefore, the workability of assembling the lamp unit can be further improved.

[0024]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below in detail with reference to the drawings.

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

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

The front and rear portions of the front and rear direction ribs 5 are formed as guide slope portions 5a inclined backward.

A flange 6 is formed inward at the rear end of one side wall 4b of the peripheral wall 4, and a plurality of upper and lower locating holes 7 are formed at the base of the side wall 4b where the flange 6 is bent. It is formed.

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

The lamp unit 10 includes a lamp housing 11 containing a bulb and a lamp lens 12.

A jaw 13 is formed on the outer periphery of the front end of the lamp housing 11, and the rear end of the lamp lens 12 is engaged with the front end of the jaw 13 and joined with an adhesive also serving as a sealing material. I have.

An eave portion 14 is formed integrally with the lower rear edge of the jaw 11 at a distance from the lower wall 11a of the lamp housing 11.

When the lamp unit 10 is inserted into the lamp mounting hole 3 and mounted, the eave portion 14 is mounted on the lamp mounting hole 3.
The lower wall 4a has a length protruding rearward from the rear end.

The bottom of the eave portion 14 is formed on the lower jaw 1.
A curling portion 14a is formed so as to be flush with the bottom surface of the base member 3 and to be bent upward.

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

The lamp unit 10 is mounted by being inserted into the lamp mounting hole 3 from the front. At the time of this mounting, as shown in FIG. And the sliding protrusion 15 is slid obliquely from the front and against the flange 6 and slid so as to be shifted sideways.
The lamp unit 10 is inserted into and engaged with the locate hole 7, so that the lamp unit 10 is rotated rearward with the engaging portion between the locking projection 15 and the locate hole 7 as a fulcrum, and the bracket piece 1 is rotated.
6 is superimposed on the seat portion 8 to form a bolt 17 and a nut plate 18.
And fix it.

According to the structure of the above embodiment, when the vehicle splashes from behind the lamp housing 11 during running of the vehicle and the lamp housing 11 is covered with water, and the muddy water flows down the outer surface thereof, the muddy water that has flowed down is All eaves 14
And the curling portions 14a on both sides prevent spilling from the side, and the lower wall 4a of the lamp mounting hole 3
Is dropped from the rear end of the eave portion 14 projecting rearward from the rear end.

Therefore, the muddy water flowing down the outer surface of the lamp housing 11 does not flow out from 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. Appearance can be further improved.

Also, as described above, the lamp housing 11
An eave portion 14 is formed at the rear edge of the lower wall of the jaw 13 on the outer periphery of the front end of the eave portion, and the eave portion 14 is formed so that its bottom surface is flush with the bottom surface of the jaw 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 14 serve as an insertion guide on the lower wall 4a of the lamp mounting hole 3. Can be smoothly slid and inserted into the lamp mounting hole 3 without being caught, thereby making it possible to easily insert the lamp into the lamp mounting hole 3.

In this embodiment, the lower wall 4a of the lamp mounting hole 3 is provided with a plurality of front-rear ribs 5 which are in sliding contact with the eaves 14.
, The sliding resistance of the eaves portion 14 can be reduced, and the insertability can be improved. In addition, the front edge of the front-rear direction rib 5 is formed as a guide slope portion 5a inclined backward. Therefore, the rear end of the eaves portion 14 can smoothly ride on the front-rear direction ribs 5 without being hooked on the front-rear direction ribs 5, and the insertion operation can be easily performed.

The eaves 14 abut on the longitudinal ribs 5 due to the presence of the longitudinal ribs 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 to be in a non-contact state, no external force acts on the joint. Problems such as cracking of the adhesive can be avoided.

Further, in this embodiment, a pair of upper and lower locking projections 15 protruding from one side of the lamp housing 11 are connected to the locate holes 7 provided on one side wall 4b of the lamp mounting hole 3 by the lamp mounting holes 3. The lamp unit 10 is rotated rearward with the engaging portion as a fulcrum, and a pair of upper and lower bracket pieces 16 protruding from the other side of the lamp housing 11 are inserted into the lamp mounting hole. 3, the lamp unit 10 can be positioned in the vertical direction by the engagement between the locking projection 15 and the locate hole 7 because the locking projection 15 and the locate hole 7 are engaged with each other. By rotating the lamp unit 10 backward, the lamp unit 10 can be smoothly inserted into the lamp mounting hole 3 as a whole without interfering with the peripheral wall 4. The assembly work from it only fastened to bracket pieces 16 can be easily performed.

A flange 6 is provided at a rear edge portion of the locate hole 7, and a locking projection 15 is provided on the flange 6.
Can be inserted into the locate hole 7 by abutting the tip of the lamp unit 10, so that the assembling work of the lamp unit 10 can be further improved.

[Brief description of the drawings]

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

FIG. 2 is a sectional view taken along the line BB in FIG. 4;

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]

 DESCRIPTION OF SYMBOLS 1 Bumper 2 Front wall 3 Lamp mounting hole 4 Peripheral wall 4a Lower wall 4b Side wall 5 Front-back direction rib 5a Guide slop part 6 Flange 7 Locate hole 8 Seat part 10 Lamp unit 11 Lamp housing 11a Lower wall 11b, 11c Side wall 12 Lamp lens 13 Jaw Part 14 Eave part 14a Curling part 15 Locking protruding piece 16 Bracket piece

Claims (7)

[Claims] 1. A structure in which a lamp mounting hole is formed in a front wall of a bumper and is surrounded by a peripheral wall formed by folding back, and a lamp unit is inserted and mounted in the lamp mounting hole.
At the lower rear edge of the jaw at 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. An automobile lamp mounting structure characterized by providing a protruding eaves portion. 2. The lamp mounting structure for an automobile according to claim 1, wherein the eaves portion is formed so 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 eave portion is provided with curling portions that are curved upward and stand on both sides thereof. 4. The vehicle lamp according to claim 1, wherein a plurality of longitudinal ribs are provided on the lower wall upper surface of the peripheral wall of the lamp mounting hole so that the eaves slide. Mounting structure. 5. The lamp mounting structure for an automobile according to claim 4, wherein a guide slope portion inclined rearward is formed at a front edge of the front-back direction rib. 6. A locking projection is provided on one of the side walls of the lamp housing, and a fixing bracket is protruded on the other side wall. The locking projection is provided on one of the side walls of the peripheral wall of the lamp mounting hole. Forming a locate hole for inserting and engaging a piece, recessing a seat for fixing the bracket piece on the other side edge of the lamp mounting hole, inserting a locking projection into the locate hole from diagonally forward, 2. The lamp unit according to claim 1, wherein the lamp unit is rotated rearward with the engaging portion between the locking projection and the locate hole as a fulcrum, and the bracket is overlapped on the seat surface and fastened and fixed.
6. The lamp mounting structure for an automobile according to any one of claims 5 to 5. 7. A flange formed on the rear edge of the locate hole to insert and guide the locking projection.
The vehicle lamp mounting structure according to the above description.