JP2001110207A - Lighting fixture device for vehicle and method of mounting lighting fixture on vehicle body - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number of parts of a lighting fixture device for a vehicle and facilitate mounting work for a vehicle body. SOLUTION: A lighting fixture device 1 for a vehicle has a lighting fixture portion a formed by fixing to a lens 4 a support 3 on which a light source 2 is mounted. The lens 4 for the lighting fixture portion 1a is fixed to and supported by a decorative member 5 arranged in the vehicle so that the lighting fixture portion 1a is held between the decorative member and a body side member 6 in the state of fixing the decorative member 5 to a vehicle body.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technique for mounting a vehicular lamp while sandwiching it between a vehicle body and a decorative member.

[0002]

2. Description of the Related Art There are known vehicular marker lamps such as high-mount stop lamps which are used by being attached to a decorative member (for example, a headlining) installed in the vehicle.

As an example of such a lamp, there is a lamp configured by arranging a printed circuit board on which a light emitting diode, a light bulb, and the like are mounted in a lamp room defined by a lens body and a lamp body. And in the lamp body,
A mounting piece or the like to the decorative member is formed, and after fixing the screw to the decorative member by screwing, wiring processing is performed, and then the decorative member is fixed to the vehicle body to complete the temporary mounting work. However, in this state, the lamp and its wiring are exposed from the inside of the vehicle and the appearance is impaired. Therefore, a cover for covering the lamp and the wiring is used. That is, by fixing the cover to the decorative member, the lamp and the wiring are accommodated in the space formed between the cover and the decorative member.

[0004]

However, in the above-described configuration, the number of parts and the number of work steps increase due to the use of the cover, which causes a problem that the cost is increased.

Further, in the conventional structure, there is a problem that the work of attaching the lamp to the decorative member or the vehicle body is not easy, so that the work takes time.

SUMMARY OF THE INVENTION It is an object of the present invention to reduce the number of parts of a vehicular lamp device and to facilitate the work of mounting the vehicular lamp device on a vehicle body.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, a vehicle lighting device according to the present invention includes a vehicle having a lamp portion formed by fixing a support on which a light source is mounted to a lens body. A lighting device, wherein the lens body of the lighting unit is supported by being fixed to a decorative member disposed inside the vehicle, and the decorative member is fixed to the vehicle body and the decorative member is fixed to the vehicle body. The lamp unit is configured to be clamped by the lamp unit.

[0008] Therefore, according to the present apparatus, since the lamp portion is sandwiched between the decorative member and the vehicle body, a cover for covering the lamp is not required ((1) Since the decorative member serves as a cover. ).

[0009] A method of mounting a vehicle lamp to a vehicle body according to the present invention is a method of mounting a lamp configured by fixing a support on which a light source is mounted to a lens body to a vehicle body. After the lens body of the lamp is temporarily fixed to the decorative member arranged inside the vehicle using the member, the decorative member is fixed to the vehicle body by the fixing member and the lens body is permanently fixed to the vehicle body.

Therefore, according to this method, after the lens body is temporarily fixed to the decorative member, the lamp is easily fixed to the vehicle body by simultaneously fixing the decorative member to the vehicle body and simultaneously fixing the lens body to the vehicle body. become able to.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIG. 1 shows the basic structure of a vehicular lamp device according to the present invention.
It has a lamp part 1a composed of a support 3 to which the light source 2 is attached and a lens body 4. As the light source 2, an appropriate light source such as an incandescent lamp or a light emitting diode can be used.

Since the lamp unit 1a is configured by fixing the support 3 to the lens body 4, a dedicated substrate for mounting the light source 2 is not required (that is, the support 3 has a role of a substrate). .). Therefore, the number of components can be reduced by one as compared with the conventional structure in which the substrate is disposed in the lamp chamber defined by the lens body and the lamp body.

The lamp unit 1a is supported by fixing the lens body 4 to a decorative member 5 (in FIG. 1, a head lining as a ceiling decorative member is shown) disposed inside the vehicle. In a state where the decorative member 5 is attached and fixed to the member 6 (reinforcing member) on the vehicle body side, the lamp part 1a is sandwiched between the decorative member 5 and the vehicle body. That is, one end 5a of the decorative member 5 extends to the rear window glass 7, and the light of the lamp unit 1a is directed toward the rear of the vehicle through a gap formed between this portion and the reinforcing member 6 on the vehicle body ceiling. Irradiated.

Although not shown, a window for replacement may be formed in a part of the decorative member 5 for replacing the light source 2 of the lamp unit 1a. For example, a configuration in which a lid for closing the window is joined to a part of the decorative member by a hinge portion is employed, and the engaging portion formed on the lid is engaged with the engaged portion on the decorative member side. Or various forms such as covering the window with a detachable cover member.

The following method is used for attaching the lamp unit to a decorative member or a vehicle body-side member.

(I) Temporary fixing of the lamp part to the decorative member and permanent fixing of the lamp part and the decorative member to the vehicle body side member using a two-stage fixing member. (II) Decorative member of the lamp part Fixing to the vehicle body side member and fixing the decorative member to the vehicle body side member, and mounting the lamp part to the vehicle body side member, the engagement part formed integrally with the lens body, A method which is performed by engaging a corresponding body-side member with an engaged portion.

2 to 4 show an example of the method (I).

As shown in FIG. 2, the lamp 8 includes a lens body 9.
And a substrate unit 10.

The lens body 9 is formed by using a transparent synthetic resin material, and its main part 9a is in the shape of a horizontally long rectangular box, and its lens surface 9b (the inner surface) has a large number of lens steps. Is formed. The main portion 9a has an opening (not shown) formed on the opposite side of the lens surface 9b.
The substrate portion 10 is attached by welding, fitting of an engaging portion, or the like so as to cover the opening.

At the longitudinal ends of the main portion 9a of the lens body 9, mounting pieces 9c and 9c are formed, and these mounting pieces are formed with insertion holes 9d and 9d, respectively. . Further, a projection 9e for positioning on the vehicle body-side member is formed in a portion located at the center between the mounting pieces 9c and 9c, and a main projection is provided at a position opposite to the projection 9e. Holding portions (engaging claw portions) 9f, 9f for holding the substrate portion 10 inside the portion 9a are formed.

The substrate portion 10 on which the wiring pattern is formed has a shape corresponding to the opening of the main portion 9a, and one surface thereof has a light emitting diode 10 as a light source.
a, 10a,... are arranged, and the leads (or mounting portions) of these light emitting diodes are connected to the printed pattern of the substrate portion 10 by soldering or the like. Also,
The upper edge and the lower edge of the substrate portion 10 are provided with engagement portions 10b, 10b,
Are integrally formed, and the substrate portion 10 is fixed to the lens body 9 by being sandwiched between the holding portions 9f, 9f. As for the wiring method between the substrate unit 10 and a lighting circuit (not shown), a pair of terminals (terminals) is formed on the substrate unit, and the terminal is connected to a terminal of a wire rod routed from the lighting circuit. Or a method in which a connector is provided at the end of the cord connected to the board portion, and the connector and the connector on the lighting circuit side are connected to perform wiring connection.

Insertion holes 11a, 11a are formed in the head lining 11 as a decorative member. These insertion holes 9a are formed in the mounting pieces 9c, 9c of the lens body 9.
It has a pitch corresponding to d and 9d.

Similarly, through holes 12a, 12a are formed in a reinforcing member (lean force) 12 as a vehicle body side member, and these have a pitch corresponding to the through holes 9d, 9d of the lens body 9. I have. And these insertion holes 1
A circular hole 12b corresponding to the positioning projection 9e is formed at a middle position between 2a and 12a.

When the lamp 8 is attached to the decorative member and the reinforcing member, a common fixing member (for example, a resin fastener such as a trim clip) is used.

FIGS. 3 and 4 show an example of the mounting operation, and the operation procedure is as follows.

(1) First, after assembling the lamp 8 by combining the lens body 9 and the substrate section 10, using a fixing member,
The lens body of the lamp is temporarily fixed to a decorative member arranged inside the vehicle.

In the example shown in the figure, as shown enlarged in a great circle, a two-stage resin fastener 13 is used, which is a middle part having a slit (or a shaft pin) 13a having a slit. It has a configuration in which it is inserted into the portion 13b and an engaging portion 13c is formed at an end of the intermediate portion 13b.

Then, the resin fasteners 13 are inserted into the insertion holes 11a, 11a of the head lining 11 and the insertion holes 9d, 9d of the mounting pieces 9c, 9c of the lens body 9, respectively, thereby temporarily fixing the fasteners. In this state, the intermediate portion 13b of the resin fastener 13 is
a, 9d, and the engaging portion 13c at the tip is locked in the insertion hole 9d.

(2) Wiring is performed for the substrate unit 10. That is, the power supply to the light source is enabled by the connection between the substrate and the lighting circuit.

(3) Positioning projection 9e of lens body 9
Is positioned while being inserted into the circular hole 12b of the reinforcing member 12, and the decorative member is fixed to the vehicle body by the fixing member, and at the same time, the lens body 9 is permanently fixed to the vehicle body. As shown enlarged in the great circle of FIG. 4, the engagement portion 1 of the resin fastener 13 is shown.
After inserting 3c into the insertion hole 12a of the reinforcing member 12, the end (the end of the shaft portion 13a) located on the opposite side to the engagement portion 13c is pushed in, so that the engagement portion 13c is opened. . As a result, the head lining 11, the mounting piece 9c, and the reinforcing member 12 are fixed by the resin fastener 13.

In this case, if the lamp 8 temporarily fixed to the decorative member (that is, the state after the operation of (1)) is delivered as one module, then this module is attached to the vehicle body side member. The work efficiency can be improved because it is sufficient to fix the work.

FIGS. 5 and 6 show an example of the above method (II).

As shown in the figure, the lamp 8A includes a lens 9
A and a substrate portion 10A.

The lens body 9A differs from the above-described lens body 9 in that engaging claws 14, 14 are formed integrally with the lens body 9A instead of the mounting pieces 9c, 9c.

That is, a portion of the main portion 9a having a horizontally long rectangular box shape near both ends in the longitudinal direction is provided with the reinforcing member 1 on the vehicle body side.
Engaging claws 14, 14 for engaging with 2A are provided upright. At the base of the engaging claws 14, 14, a recess 15,
15 are formed therein, and through holes 15a, 15
a are respectively formed.

Elongated holes 12c having a predetermined pitch are formed in the reinforcing member 12A so that the engaging claws 14 are respectively engaged. In addition, the long holes 12c and 1
2c, a circular hole 12 for positioning is provided at a substantially central position.
b are formed, and holes 12d, 12d are formed on both sides of the long holes 12c, 12c, respectively.

The head lining 11A is formed with insertion holes 11b, 11b for mounting the lamp 8A.
Insertion holes 1 corresponding to holes 12d, 12d of reinforcing member 12A
1c and 11c are formed.

In this embodiment, resin fasteners (button clips and the like) 16 are used as fixing members, and a shaft portion formed by stacking a large number of substantially frustoconical engaging portions in one direction is provided. are doing.

The working procedure is as follows.

(1) First, after assembling the lamp 8A, the lens body of the lamp is fixed to the decorative member using a fixing member. That is, after the resin fasteners 16 and 16 are inserted into the insertion holes 11b and 11b of the head lining 11A, respectively, they are separately inserted into the through holes 15a and 15a of the lens body 9A, thereby attaching the lamp 8A to the head lining 11A. .

(2) Wiring is performed for the substrate section 10A.
That is, the power supply to the light source is enabled by the connection between the substrate and the lighting circuit (the wiring method is as described above).

(3) Positioning projection 9 of lens body 9A
e is positioned while being inserted through the circular hole 12b of the reinforcing member 12A, and the engaging claws 14 of the lens body 9A are
The reinforcing members 12A are engaged with the elongated holes 12c, 12c, respectively (see the large circle in FIG. 6). Then, a fixing member (not shown) (a resin fastener, a screw member, or the like) is permanently fixed by attaching it to the holes 12d, 12d of the reinforcing member 12A through the insertion holes 11c, 11c of the head lining 11A.

In this embodiment, the lens body 9A is connected to the decorative member 11A.
Fixing members (16, 16) for attaching to the
The lamp 8A fixed to the decorative member 11A using the fixing member is delivered as one module.

Thereafter, when attaching the decorative member to which the lamp is attached to the vehicle body, the engaging portion integrally formed on the lens body is engaged with the engaged portion formed on the vehicle body (body-side member). By making them match, the lamp can be easily attached to the vehicle body.

In the illustrated example, the engaging portion formed on the lens body 9A is the engaging claw 14, and the engaged portion of the vehicle body-side member is the elongated hole 12c. It is needless to say that an appropriate embodiment can be adopted, such as the relationship between the engagement protrusion and the engagement recess.

[0046]

As is apparent from the above description, according to the first aspect of the present invention, since the lamp part is sandwiched between the decorative member and the vehicle body, the lamp is used. A cover to cover and hide is not required, and the number of parts and man-hours can be reduced.

According to the second aspect of the present invention, after the lens body is temporarily fixed to the decorative member, the decorative member is fixed to the vehicle body and the lens body is permanently fixed to the vehicle body, so that the lamp is easily attached to the vehicle body. Therefore, workability is improved.

According to the third aspect of the invention, the lamp fixed to the decorative member by integrally forming the engaging portion for engaging the engaged portion formed on the vehicle body with the lens body. The part can be easily attached to the vehicle body.

[Brief description of the drawings]

FIG. 1 is a schematic sectional view showing a basic configuration of a vehicular lamp device according to the present invention.

FIG. 2 is a diagram for explaining a mounting method according to the present invention.

FIG. 3 is a diagram showing a main part in a state where a lamp is attached to a decorative member.

FIG. 4 is a diagram showing a main part in a state where a decorative member to which a lamp is fixed is attached to a vehicle body side member.

FIG. 5 is a view for explaining another example of the mounting method according to the present invention.

FIG. 6 is a diagram showing a main part of a state in which the lamp is attached to a vehicle body-side member with its engaging claws.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Vehicle lamp device, 1a ... Lamp part, 2 ... Light source, 3 ... Support body, 4 ... Lens body, 5 ... Decoration member, 12c ... Engagement part, 13, 16 ... Fixing member, 14 ... Engagement Department

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 3K042 AA12 AB01 AC06 AC07 BC01 BC13 3K080 AA01 AB17 AB18 BA01 BA04 BA07 BB02 BE07 CC01

Claims (3)

[Claims] 1. A vehicular lamp device having a lamp unit configured by fixing a support on which a light source is mounted to a lens body, wherein the lens unit of the lamp unit is arranged inside a vehicle. A lighting device for a vehicle, wherein the lighting device is supported by being fixed to a member, and the lamp portion is sandwiched between the decorative member and the vehicle body in a state where the decorative member is fixed to the vehicle body. 2. A method of mounting a vehicle lamp on a vehicle body, comprising fixing a support having a light source mounted on a lens body, wherein the fixing member is used to attach a decorative member arranged inside the vehicle. A method of attaching a vehicle lamp to a vehicle body, comprising temporarily fixing the lens body of the lamp, fixing the decorative member to the vehicle body with the fixing member, and simultaneously permanently fixing the lens body to the vehicle body. 3. The vehicle lighting device according to claim 1, further comprising: a fixing member for attaching the lens body to the decorative member; and attaching the decorative member to which the lamp portion is attached to the vehicle body. A lighting device for a vehicle, wherein an engaging portion for engaging with the formed engaged portion is formed integrally with the lens body.