JPH092143A - Car lamp mounting structure - Google Patents

Abstract

(57) [Summary] [Object] To provide a lamp mounting structure for an automobile, in which the housing of the lamp is easily manufactured and the work of removing the lamp is easy. [Structure] The duct portion 27 is separated from the housing 28. Therefore, the shape of the housing 28 is simplified and the manufacturing of the housing 28 is facilitated. Further, since the duct portion 27 is separate from the housing 28, even if the bumper protrusion 22 is present on the front side of the duct portion 27, only the headlamp 26 can be removed while leaving the duct portion 27. Therefore, it is not necessary to bother to remove the protrusion 22 (bumper) to remove the headlamp 26, and the work of removing the headlamp 26 becomes very easy.

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.

[0002]

2. Description of the Related Art The applicant of the present invention has proposed a lamp device capable of preventing fogging on the inner surface of the lens of the lamp from Japanese Patent Application No. 5-3458.
It was previously proposed as No. 40. The main structure of the proposed lamp device will be described with reference to FIGS. 7 and 8. In the following description, "inside" means the center side of the vehicle body in the vehicle width direction, "outside" means the opposite side, and "A" means inside and "B" means outside. There is.

1 is a head lamp, 2 is a corner lamp, 3
Is a front grille, 4 is a bumper, and 5 is a hood. The housing 6 of the headlamp 1 is an injection-molded product made of resin, and the lens 7 is attached to the front surface of the housing 6. Inside the housing 6, a halogen lamp bulb 8 and a reflector 9 are provided inside.
A headlamp bulb 10 and a reflector 11 are provided outside. Mounting portions 12 and 13 are set at both ends of the housing 6 in the vehicle width direction, respectively. Then, each of the mounting portions 12 and 13 is attached to a radiator core side panel 14 arranged in the front portion of the engine room E.
Alternatively, it is attached with a bolt T to the bracket 15 joined to the radiator core side panel 14.

In the inner portion of the housing 6, the duct portion 1 which is continuous with the side surface portion 16 of the housing 6 at the rear end portion.
7 are integrally formed. Tip portion 1 of this duct portion 17
7a is inclined inward, and the corresponding end 7a of the lens 7 is covered by the tip 17a. An opening 18 is formed in a connecting portion between the duct portion 17 and the side surface portion 16 of the housing 6, and the opening 1 is formed in the radiator core side panel 14.
A warm air inlet 19 corresponding to No. 8 is formed. The radiator core side panel 14 is also formed with a large working opening 20 for replacing the valves 8 and 10.

Since the duct portion 17 as described above is integrally provided in the inside portion of the housing 6, the warm air introduction passage 21 is formed between the duct portion 17 and the side surface portion 16.
The warm air D from the engine room E is applied to the corresponding end 7 of the lens 7.
By leading to a and warming the corresponding end portion 7a, the occurrence of fogging near this portion is prevented. That is, if the corresponding end 7a of the lens 7 is not warmed in this way, for example, only the bulb 10 for the headlamp located on the outside is turned on and the bulb 8 for the halogen lamp on the inside is not turned on. , The lens 7 of the part corresponding to the bulb 10 for the headlamp is warmed,
Since the portion of the lamp corresponding to the bulb 8 for the halogen lamp remains cold, the air in the housing 6 warmed by the bulb 10 for the headlamp that is lit is the lens on the bulb 8 side that is not lit. There is a risk of contact with the cold portion of 7 and causing fogging there. However, as described above, by warming the corresponding end portion 7a inside the lens 7 with warm air D, the occurrence of fogging at this portion is ensured. Can be prevented.

An upward projecting portion 22 is formed on the upper surface of the bumper 4, and the duct portion 17 is formed by the projecting portion 22.
Covering the front side of. A first mounting piece 23 is formed in the central portion of the projecting portion 22, and a second mounting piece 24 is formed inside thereof. The first mounting piece 23 is an inward fixing piece formed in the duct portion 17. It is attached to 25 with bolts T. Further, the end portion of the front grill 3 is attached to the second attachment piece 24 of the protrusion 22 with a bolt T.

[0007]

However, in the above-proposed technique, the housing 6 of the headlamp 1 has a complicated shape in which the duct portion 17 is integrally formed. The mold shape for injection molding 6 is complicated, and the manufacturing work is difficult.
In particular, since the warm air introduction passage 21 close to the closed space is formed between the duct portion 17 and the side surface portion 16 of the housing 6, it cannot be manufactured by a normal mold, and a special mold is required.

Further, since the projection 22 of the bumper 4 is located on the front side of the duct portion 17, when the headlamp 1 is removed for replacement, the bumper 4 must be removed once as well. Further, as described above, when the front grill 3 is attached to the protruding portion 22 of the bumper 4, it is necessary to remove the front grill 3 as well, and the work of removing the headlamp 1 is very troublesome. .

The present invention has been made in view of such a point, and provides a lamp mounting structure for an automobile, in which the lamp housing can be easily manufactured and the lamp can be easily removed.

[0010]

According to the first aspect of the present invention,
The duct part is separate from the housing and the duct part is attached to the vehicle body panel.

According to a second aspect of the present invention, the outer ends of the protrusions are aligned with the tip of the duct at a minute interval, and the tip of the duct is formed of a soft sheet.

According to a third aspect of the present invention, the side surface portion of the housing is attached to the duct portion.

According to a fourth aspect of the invention, the protrusion is attached to the duct.

[0014]

According to the first aspect of the invention, since the duct portion is separate from the housing, the shape of the housing can be simplified accordingly, and the housing can be easily manufactured. Also, since the duct part is separate from the housing, even if there is a bumper protrusion on the front side of the duct part, the duct part remains as it is,
Only the lamp can be removed. Therefore, it is not necessary to remove the bumper to remove the lamp,
Lamp removal work is extremely easy.

According to the second aspect of the present invention, since the tip end portion of the duct portion is formed of the soft sheet, the outer end of the protrusion portion may become the tip end portion of the duct portion due to deformation of the protrusion portion after attachment. Even if the outer edge of the protrusion hits the tip of the duct due to engine vibration or the like, no unpleasant noise is produced, which is excellent in terms of sound vibration countermeasures.

According to the third aspect of the invention, since the side surface portion of the housing is attached to the duct portion, the positional relationship between the duct portion and the housing is always constant even though they are separate bodies. It is possible to always form a warm air introduction path at a constant interval therebetween.

According to the fourth aspect of the present invention, since the protrusion is attached to the duct, the positional relationship between the duct and the protrusion is always constant, and the outer end of the protrusion is the tip of the duct. However, it is easy to align with a minute interval.

[0018]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the drawings. In addition, the same reference numerals are given to portions common to the related art, and overlapping description will be omitted.

1 to 5 show a first embodiment of the present invention. In the headlamp 26 as a "lamp" according to this embodiment, the duct portion 27 is separate from the housing 28, and the housing 28 itself has a simple container-like simple shape with the front side opened. Therefore, this housing 28
The mold for manufacturing is also simple in shape, and the work of manufacturing the housing 28 using the mold is simple. Then, on the side surface portion 29 inside the housing 28, boss portions 30 having insert nuts are formed at two upper and lower positions. Further, a mounting portion 31 having an insert nut is provided only on the outer side of the housing 28 (see FIG. 3), and the outer mounting portion 31 is mounted on the radiator core side panel 14 as a "vehicle body panel" by a bolt T. ing.

On the other hand, the duct portion 27 is formed with a tip portion 32, an upper side portion 33, and a lower side portion 34 (see FIG. 5) bent toward the headlamp 26 side. Further, two upper and lower mounting portions 35 having insert nuts are formed inward at the rear end of the duct portion 27, and the mounting portions 35 are mounted on the inner side portion of the warm air introducing port 19 in the mounting hole 3.
It is attached to 6 with bolts T. The duct portion 27 is attached to the housing 28 by the attachment portion 35 and the bolt T.
Separately from the above, it is attached to the radiator core side panel 14 independently.

The boss portion 30 is formed on the outer surface of the duct portion 27.
Is formed outward, and the boss 37 has a through hole 38 into which the bolt T can be inserted from the inside.
Is provided. Since the side surface portion 29 and the duct portion 27 of the housing 28 are inclined with respect to the vertical direction, the both boss portions 30 and 37 are as shown in FIG. Each is formed horizontally. Further, a fixing piece 39 is vertically formed on the inner side surface of the duct portion 27. An attachment hole 40 is formed in the fixing piece 39, and a nut plate 41 corresponding to the attachment hole 40 is also attached.

Next, the mounting procedure of the headlamp 26 and the mounting procedure will be described.

Procedure for mounting the headlamp 26 (see FIG. 3)
(See): First, the duct portion 27 is attached to the attachment hole 36 of the radiator core side panel 14 with the bolt T. After that, the outer mounting portion 31 of the headlamp 26 in the housing 28 is mounted to the bracket 15 with the bolt T, and the inner boss portion 30 of the housing 28 is attached.
Is attached by a bolt T so as to correspond to the boss portion 37 of the duct portion 27, and the entire headlamp 26 is attached. Since the side surface portion 29 of the housing 28 of the headlamp 26 is directly attached to the duct portion 27 via both the boss portions 30 and 37, the positional relationship between the housing 28 and the duct portion 27 is always constant even though they are separate bodies. It is possible to always form the warm air introduction passage 21 at a constant interval between the two.

Then, the bumper 4 is attached next, and the first attaching piece 23 of the protrusion 22 is fixed to the fixing piece 3 of the duct portion 27.
Attach to 9 with bolt T. In this way, since the projection 22 is directly attached to the duct 27, the duct 2
The positional relationship between 7 and the protruding portion 22 is always constant, and the tip end portion 32 of the duct portion 27 and the outer end 22a of the protruding portion 22 can be accurately aligned at a minute interval. Thus, the tip end 32 of the duct portion 27 and the outer end 2 of the protrusion 22 are
Since it is aligned with 2a at a minute interval, no gap that exposes the inside of the protrusion 22 is formed between the tip 32 and the outer end 22a, which is excellent in appearance. Then, the warm air introduction passage 21 formed as described above.
Inside, warm air inlet 1 of radiator core side panel 14
The warm air D in the engine room E is introduced from 9 and the warm air D
Thus, by warming the corresponding end portion 7a of the lens 7, it is possible to reliably prevent the occurrence of fogging on the inner surface of the lens 7.

Procedure for removing the headlamp 26 (see FIG. 4)
When removing the headlamp 26 for repair / inspection, etc., first remove the corner lamp 2 and then remove the outer mounting portion 31 of the housing 28 from the bracket 15 and then the inner boss portion 30 of the duct portion. Remove from the boss portion 37 of 27. The head lamp 26 is provided so that the corresponding end 7a of the lens 7 and the outer end 22a of the protrusion 22 do not interfere with each other.
It can be removed by pulling it out so that it rotates outward. According to the mounting structure of this embodiment, even if the bumper 4 has a protrusion on the front side of the duct portion 27, only the headlamp 26 can be removed while leaving the duct portion 27. Therefore, it is not necessary to bother to remove the bumper 4 and the front grill 3 to remove the headlamp 26, and the work of removing the headlamp 26 is very easy.

Next, a second embodiment of the present invention will be described with reference to FIG. In this embodiment, the "tip portion" of the duct portion 42 is formed of a separate soft sheet (made of rubber) 43, and the soft sheet 43 is attached to the duct portion 42 by a clip 44. As described above, by forming the "tip portion" of the duct portion 42 with the soft sheet 43, the outer end 22a of the protrusion 22 is deformed and the duct portion 42 is accidentally deformed.
There is no need to worry if it comes into contact with the soft sheet 43. That is, if engine vibration or the like is applied while the outer end 22a of the protrusion 22 is in contact with the hard portion of the duct part 42, continuous collision between the duct part 42 and the outer end 22a due to vibration occurs. May occur and an unpleasant vibrating sound may be generated there.
If you do, no sound will be generated even if both hit,
Excellent in terms of sound and vibration countermeasures. Note that the soft sheet 43 is not limited to rubber, and may be made of vinyl or another material as long as it is a soft member that does not generate a sound by hitting the outer end 22a. Other configurations, functions and effects are the same as those of the first embodiment.

In the above description of each embodiment, the inner side surface portion 29 of the housing 28 of the headlamp 26 is described.
Although the example in which the above is attached to the duct portions 27 and 42 via both the boss portions 30 and 37 has been shown, the present invention is not limited to this, and the inner side surface portion 29 has the radiator core side panel 14 as in the conventional case.
It may be attached to.

Further, as the headlamp 26, the one in which the bulb 10 for the headlamp and the bulb 8 for the halogen lamp are built in the housing 28 has been taken as an example, but the present invention is not limited to this. It may have three bulbs, or may have a third bulb called a clearance lamp.

[0029]

According to the first aspect of the present invention, since the duct portion is separate from the housing, the shape of the housing is correspondingly simplified, and the manufacturing of the housing is facilitated. Further, since the duct part is separate from the housing, even if the bumper has a protrusion on the front side of the duct part, only the lamp can be removed while leaving the duct part. Therefore, it is not necessary to bother to remove the bumper to remove the lamp, and the removal work of the lamp becomes very easy.

According to the second aspect of the present invention, since the tip portion of the duct portion is formed of the soft sheet, the outer end of the protrusion portion may become the tip portion of the duct portion due to deformation of the protrusion portion after attachment. Even if the outer edge of the protrusion hits the tip of the duct due to engine vibration or the like, no unpleasant noise is produced, which is excellent in terms of sound vibration countermeasures.

According to the third aspect of the present invention, since the side surface portion of the housing is attached to the duct portion, the positional relationship between the duct portion and the housing is always constant even though they are separate bodies. It is possible to always form a warm air introduction path at a constant interval therebetween.

According to the invention as set forth in claim 4, since the projection is attached to the duct, the positional relationship between the duct and the projection is always constant, and the outer end of the projection is the tip of the duct. However, it is easy to align with a minute interval.

[Brief description of drawings]

FIG. 1 is a front view showing a lamp mounting structure according to a first embodiment of the present invention.

FIG. 2 is an exploded perspective view showing a head lamp, a duct portion, and a bumper.

FIG. 3 is a sectional view taken along the line SA-SA shown in FIG.

FIG. 4 is a cross-sectional view corresponding to FIG. 3 showing a state where the headlamp is removed.

FIG. 5 is a sectional view taken along line SB-SB shown in FIG. 3;

FIG. 6 is an enlarged sectional view of an essential part showing a lamp structure according to a second embodiment of the present invention.

FIG. 7 is a front view of a front portion of an automobile showing a conventional example.

8 is a cross-sectional view taken along the line SC-SC shown in FIG.

[Explanation of symbols]

 4 bumper 7 lens 7a corresponding end 14 radiator core side panel (body panel) 21 warm air introduction path 22 protrusion 22a outer end 26 headlamp (lamp) 27, 42 duct part 28 housing 29 side part 32 tip part 43 soft sheet ( Tip) E Engine room D Warm air

Claims (4)

[Claims] 1. A lamp formed by assembling a lens on a front surface of a housing is attached to a vehicle body panel arranged in a front portion of an engine room, and a duct portion is provided at a vehicle width direction inner side portion of the housing. A warm air introduction path for guiding warm air in the engine room to the corresponding end of the lens is formed between the section and the side surface of the housing, and a projection formed on the upper surface of the bumper is located on the front side of the duct section. The lamp mounting structure for an automobile according to claim 1, wherein the duct part is separate from the housing and the duct part is mounted on the vehicle body panel. 2. The lamp mounting structure for an automobile according to claim 1, wherein the outer end of the protrusion is aligned with the tip of the duct at a minute interval, and the tip of the duct is formed of a soft sheet. 3. The lamp mounting structure for an automobile according to claim 1, wherein the side surface portion of the housing is mounted on the duct portion. 4. The method according to claim 1, wherein the protrusion is attached to the duct.
4. The automobile lamp mounting structure according to any one of 3 above.