JP2001243816A - Lighting fixture for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the number if parts for waterproofing while providing a waterproofing structure of a low cost and a good working property and securing a simple structure breathing path. SOLUTION: A bumper 1 and a lamp housing 2 is integrated and a waterproofing wall 202 and a waterproofing cap 206 are provided on rear surface sealing part 200 of the lamp housing 2. A rear surface opening part 201 and a part of a light source bulb side harness cord 51 are covered with a waterproofing wall 202 and the water proofing cap 206. Consequently, a waterproofing structure of a low cost and a good working property is obtained. Breathing paths 207, 208 are formed in the waterproofing wall 202 and the waterproofing cap 206. Consequently, the breathing paths 207, 208 are secured in a simple structure. An O-ring for socket sealing, a gromet for socket sealing, a gromet for harness-vehicle body sealing, and a breathing gromet are not required. Consequently, the number of parts is reduced.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a rear end module in which a rear combination lamp and a rear bumper are integrated, that is, a vehicle lamp in which a lamp unit and a bumper are modularized. BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicular lamp in which a waterproof structure that is inexpensive and has good workability can be obtained in a harness cord wiring, a breathing path can be secured with a simple structure, and the number of parts is reduced.

[0002]

2. Description of the Related Art Generally, a vehicle lamp of this type is defined by a lamp housing having an opening on a front surface side, a lens provided in a front opening of the lamp housing, the lamp housing and the lens. And a light source bulb disposed in the lamp chamber. In this type of vehicular lamp, the lamp unit is disposed in an opening of a bumper, and is attached to an automobile in that state. Examples of this type of vehicular lamp include those described in JP-A-9-118175,
There is one described in JP-A-203233.

[0003]

However, in the above-mentioned conventional vehicle lighting device, a lamp unit is assembled on a part assembly production line, and then the lamp unit is arranged at an opening of a bumper on an automobile assembly production line. Since it is installed and mounted on a vehicle, it requires two stages of assembly processes. Particularly, in an assembly production line of a vehicle, there are many assembly steps and there is a problem in the assembly process. Further, in the above-described conventional vehicle lighting device, since the lamp unit and the bumper are formed separately, an assembling part for assembling the lamp unit and the bumper is required, and the number of parts is increased accordingly. There are high cost issues. Furthermore, since the above-mentioned conventional vehicle lighting device attaches a separate lamp unit and a bumper, there is a problem in the mounting rigidity and the mounting state of the lamp unit and the bumper. In addition, the above-mentioned conventional vehicle lamp is
Since the lamp unit and the bumper are separate,
There are many parts for managing the gap, surface difference, parallelism, and the like between the lamp unit and the bumper, and there is a problem that dimensional management is troublesome.

Therefore, the present applicant has attempted to modularize the lamp unit and the bumper, thereby reducing the number of assembling steps and improving the assembling process and reducing the number of parts in an automobile assembly production line. The lamp unit and the bumper have a high mounting rigidity, and a stable mounting state is obtained.
An application for a vehicular lamp (Japanese Patent Application No. 2000-17918), in which the dimensional control between the lamp unit and the bumper is easy, was filed earlier.

[0005] The present invention relates to an improvement of the vehicular lamp,
The purpose is to provide a waterproof structure that is inexpensive and has good workability in harness cord wiring.
An object of the present invention is to provide a vehicular lamp in which a respiratory path can be secured with a simple structure and the number of parts is reduced.

[0006]

According to the present invention, in order to achieve the above object, a bumper and a lamp housing have an integral structure, and a back surface opening is provided in a back surface closing portion of the lamp housing. In the back opening,
A light source bulb-side harness cord is wired from the lamp room side to the outside, and a tubular waterproof wall surrounding the rear opening is integrally provided at the rear closing portion of the lamp housing. , A tubular opening is provided, and a waterproof lid for closing the tubular opening is integrally provided at an edge of the tubular opening of the waterproof wall so as to be openable and closable via a hinge,
A breathing path is formed in the waterproof wall and the waterproof lid in a state where the waterproof lid is closed and the cylindrical opening is closed, and the waterproof wall and the waterproof lid form a back opening and a light source bulb side harness cord. Is partially covered, and a lamp-side connector is connected to the harness cord on the light-source bulb side. By fitting and connecting the power-supply-side connector to the lamp-side connector, the light source bulb is in a power supply state. , Characterized in that.

As a result, the vehicular lamp according to the present invention has a structure in which the bumper and the lamp housing are formed integrally, and a waterproof wall and a waterproof cover are provided on the rear surface closed portion of the lamp housing. By covering the back opening and a part of the harness cord on the light source bulb side, a waterproof structure that is inexpensive and has good workability can be obtained. In addition, since the breathing path is formed in the waterproof wall and the waterproof lid, the breathing path can be secured with a simple structure. Furthermore, since an O-ring for a socket seal, a grommet for a socket seal, a grommet for a harness-vehicle seal, and a breathing grommet are not required, the number of parts is reduced.

[0008]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a vehicular lamp according to an embodiment of the present invention. 5 and 6, LU denotes a lamp unit. In this example, the lamp unit LU includes a backup lamp BL,
This is a rear combination lamp in which a tail stop lamp TSL and a turn signal lamp TL are combined. The rear combination lamp (lamp unit LU) is provided with left and right openings 1 of a rear bumper 1.
L and 1R are attached to the rear of the vehicle C. 5 and 6, LP is a license plate provided at the center of the rear bumper 1.

The lamp unit LU is shown in FIGS.
As shown in the figure, a lamp housing 2 having an opening 20 on the front side, and a surface opening 20 of the lamp housing 2
, A lamp chamber 4 defined by the lamp housing 2 and the lens 3, and a light source bulb 5 disposed in the lamp chamber 4. In FIGS. 1, 7 to 11, Z-Z is the optical axis.

As shown in FIGS. 1 and 7 to 11, the rear bumper 1 has a substantially U-shaped vertical section.
Left and right sides of the rear bumper 1 are provided with horizontally long rectangular openings 1L, 1R, respectively, and an inner wall 10 is integrally provided on the periphery of the openings 1L, 1R. On the other hand, the lamp housing 2
As shown in FIGS. 1 to 4 and FIGS. 7 to 11, the front side (front side) is opened as the surface opening 20, and
The back side (rear side) 200 is closed. At the periphery of the surface opening 20, a seal recess 21 is provided.
In addition, fixed recesses 22 are integrally provided above and below the inner surface of the rear closing portion.

A rectangular back opening 201 for harness cord insertion and breathing is provided in the back closing portion 200 of the lamp housing 2 in a direction orthogonal to the optical axis Z-Z direction. The size of the back surface opening 201 is such that the light source bulb side harness cord 51 and the lamp side connector 52 can be easily pulled out from the lamp chamber 4 side. A harness code 51 on the light source bulb side and a lamp side connector 52 are wired to the rear opening 201 from the lamp chamber 4 side to the outside. By fitting and connecting the power supply side connector 53 to this lamp side connector 52,
The light source bulb 4 enters a power supply state. The power supply side connector 53 is connected to a main harness cord 54 connected to a power supply.

The back surface closing portion 20 of the lamp housing 2
In FIG. 0, a rectangular tubular waterproof wall 202 surrounding the back opening 201 is integrally provided. The waterproof wall 202 is provided with a square cylindrical opening 209. On the upper edge of the cylindrical opening 209 of the waterproof wall 202, a rectangular waterproof lid 206 for closing the cylindrical opening 209 is provided with a hinge 205.
It is integrally provided so as to be openable and closable via (a thin portion provided with a V-shaped groove). A bent piece 210 is integrally provided at the tip of the waterproof lid 206 in a direction (downward) orthogonal to the waterproof lid 206. The waterproof wall 202
The lower wall is provided with one tongue-shaped notch 208, while the bent piece 210 is provided with three keyhole-shaped notches 207.

As shown in FIG. 1 and FIG.
06 is closed, and the cylindrical opening 209 of the waterproof wall 202 is closed. As a result, the waterproof lid 206 and the waterproof wall 202
The back opening 201 and a part of the harness cord 51 on the light source bulb side are covered. Also, the cut 207 of the waterproof lid 206 and the cut 2 of the waterproof wall 202
08, a breathing path is formed in the waterproof lid 206 and the waterproof wall 202. The breathing path may be provided on the waterproof lid 206 and the waterproof wall 202 in addition to the cuts 207 and 208.

At this time, the harness cord 51 on the light source bulb side is drawn out through the cuts 207 and 208, and is securely fixed by the edges of the cuts 207 and 208. The length L1 of the waterproof lid 206 (the length from the hinge 205 to the corner between the waterproof lid 206 and the bent piece 210) is changed to the length of the cylindrical opening 209 (from the hinge 205 to the corner of the lower wall of the waterproof wall 202). Length) L2
The waterproof lid 206 is larger than the waterproof
02, and the closed state of the waterproof lid 206 and the closed state of the cylindrical opening 209 of the waterproof wall 202 are reliably maintained.

As shown in FIG. 2 and FIG.
06 and the 210 bent piece 210 are formed by a die cutting structure in the inner dimensions of the back surface opening 201. As a result, a complicated mold structure such as a slide mold is not required.

A back surface closing portion 20 of the lamp housing 2
0, an inverted U-shaped first auxiliary waterproof wall 203 covering the upper wall and the left and right side walls of the waterproof wall 202;
And an eave-shaped second auxiliary waterproof wall 204 that covers the lower wall of the vehicle. Thereby, the waterproof effect is further improved.

As shown in FIG. 8, the edge of the surface opening 20 of the lamp housing 2, that is, the outer wall 23 of the sealing recess 21, and the edge of the opening 1L, 1R of the rear bumper 1, that is, The lamp housing 2 and the rear bumper 1 are integrally formed of, for example, resin via the inner wall 11.

In the lamp chamber 4, an inner panel (or inner housing) 6 fixed to the lamp housing 2, a reflector 7 fixed to the inner panel 6, and a reflector 7 fixed to the reflector 7, A harness socket 50 to which the light source bulb 5 is detachably attached is disposed.

The inner panel 6 is shown in FIGS.
As shown in FIGS. 11, 14 to 16, for example, it is made of resin and has a hollow cylindrical shape. The front portion of the inner panel 6 has a truncated cone shape, and the rear portion of the inner panel 6 has a cylindrical shape. This inner panel 6
An engaging recess 60 is provided integrally with the periphery of the front opening of the first embodiment. Also, at the rear of the inner panel 6, 2
An L-shaped groove 61 is provided, and a tapered portion 62 is provided at the back of the L-shaped groove 61.

On the other hand, as shown in FIGS. 7, 10, 11, 14 and 16,
For example, it is made of resin and has a hollow shape. At least on the surface side of the reflector 7, a reflecting surface 70 such as aluminum vapor deposition or silver coating is provided. Also, two engaging projections 7 are provided on the periphery of the front opening of the reflector 7.
1 is integrally protruded outside. The engagement convex portion 71 is provided with a tapered portion 72. Further, a short cylindrical portion 73 is provided integrally with a rear portion of the reflector 7.

Thus, the short cylindrical portion 7 of the reflector 7
By press-fitting the harness socket 50 into 3, the harness socket 50 is fixed to the reflector 7. Further, the reflector 7 and the engaging projection 71 are inserted into the rear portion of the inner panel 6 and into the L-shaped groove 61 in the direction of the arrow in FIG. By turning the reflector 7 in the direction of the arrow in FIG. 15, the engaging projection 71 of the reflector 7 is fitted into the L-shaped groove 61 of the inner panel 6. By fixing the tapered portion 62 of the L-shaped groove 61 of the inner panel 6 and the tapered portion 72 of the engaging projection 71 of the reflector 7 by a wedge action, the reflector 7 is attached to the inner panel 6 as shown in FIG. It will be fixed. The harness socket 50, the reflector 7, and the inner panel 6
Thus, a lamp subunit is configured. Further, as shown in FIGS. 7, 10, and 11, the rear portion of the inner panel 6 is fixed to a fixing recess 22 of the lamp housing 2 via a clip 8 described later, and the engagement of the inner panel 6 is performed. The inner panel 6 is fixed to the lamp housing 2 by engaging the recess 60 with the inner wall of the seal recess 21 of the lamp housing 2.

The clip 8 is shown in FIGS.
As shown in Fig. 5, a thin steel plate is bent into a U-shape. The upper and lower bent plates of the clip 8 are provided with outer claws 80 cut and raised outward and inner claws 81 cut and raised inside, respectively. By pressing the clip 8 into the fixing recess 22 of the lamp housing 2, the outer claw 80 of the clip 8 is
Clip 8 is fixed to the lamp housing 2 (see FIG. 9).

The inner panel 6 is inserted into a fixing recess 22 of the lamp housing 2 to which the clip 8 is fixed.
, The inner claw 81 of the clip 8 bites into the outer wall surface of the inner panel 6, and the inner panel 6, the reflector 7, and the harness socket 50 are fixed to the lamp housing 2 (see FIG. 10). ).

As means for fixing the inner panel 6 and the lamp housing 2, in addition to the clip 8 shown in FIG. 12, for example, as shown in FIG. Some include a cylindrical fitting projection 63 and a cylindrical fitting recess 25 provided in the rear closing portion of the lamp housing 2. Fitting convex part 6
The inner panel 6 is fixed to the lamp housing 2 by the fitting between the fitting recess 3 and the fitting recess 25. Conversely, a fitting protrusion may be provided on the lamp housing 2 and a fitting recess may be provided on the inner panel 6.

When the light source bulb 5 is detachably attached to the harness socket 50 fixed to the lamp housing 2 from the front side, the light source bulb 2 is disposed in the lamp room 4 (see FIG. 11).

In the drawing, reference numeral 9 denotes a seal material made of a peelable elastomer. This sealing material 9 is, for example,
Japanese Patent Application No. 10-291021, which is composed of a one-component hot-melt type thermoplastic elastomer (hot-melt type thermoplastic elastomer). It is composed of a gel-like substance which has a high compression set and a small peelability. As shown in FIG. 9, the sealing material 9 is provided in a sealing recess 21 of the lamp housing 2.

As shown in FIG. 7, the lens 3 has a shape in which the front side is closed and the back side is open. A seal projection 30 is integrally formed on the periphery of the rear opening of the lens 3. Outside of the seal projection 30,
A contact portion 31 that contacts the step portion 26 of the inner wall 10 and the outer wall 23 of the integrated structure of the rear bumper 1 and the lamp housing 2 is provided integrally. Further, inside the seal convex portion 30, a pressing portion 32 for pressing the engaging concave portion 60 of the inner panel 6 toward the inner wall 24 of the lamp housing 2 is integrally provided. In a state where the seal convex portion 30 presses the seal member 9 with the seal, the contact portion 31 contacts the step portion 26, and the pressing portion 32 presses the engagement concave portion 60, the lens 3 is pressed.
Are detachably attached to the surface opening 20 of the lamp housing 2 and the openings 1L and 1R of the rear bumper 1 (see FIG. 6).

As means for detachably attaching the lens 3 to the integrated structure, for example, as shown in FIG. 17, means for fixing the contact portion 31 and the step portion 26 with the screw 33, and FIG. As shown, there is a means for stopping by elastic engagement between the lance-shaped engagement projection 34 and the engagement hole 27 formed integrally with the rear bumper 1 and the lamp housing 2. The engagement protrusion 34 is provided integrally outside the seal protrusion 30 of the lens 3. The engagement hole 27 is provided in the seal recess 2 of the lamp housing 2.
It is provided on an elastic piece 28 integrally projecting from the first standing wall 23.

When the lens 3 is detachably attached to the integral structure, the elastic repulsion between the sealing projection 30 of the lens 3 and the sealing material 9 and the screw 33 shown in FIG.
Alternatively, the lens 3 can be securely attached to the integral structure by the elastic engagement stopper shown in FIG. Also, the holding portion 32 of the lens 3 is engaged with the engagement recess 60 of the inner panel 6.
Is pressed against the inner wall 24 of the seal recess 21 of the lamp housing 2, so that the inner panel 6 is firmly fixed to the lamp housing 2 in conjunction with the fixing of the clip 8.

The vehicular lamp according to the present invention in this embodiment has the above configuration, and the assembling process will be described below.

First, on a component assembly line. The lamp housing 2 and the rear bumper 1 are integrally formed of, for example, resin to form an integrated structure (see FIG. 8). Next, the seal member 9 and the clip 8 are arranged in the seal concave portion 21 and the fixed concave portion 22 of the lamp housing 2 (see FIG. 9). Then, the inner panel 6 of the lamp subunit
Is fixed to the fixing concave portion 22 of the lamp housing 2 via the clip 8, and the engaging concave portion 60 of the inner panel 6 is engaged with the inner wall 24 of the lamp housing 2 (see FIG. 10). When assembling the lamp subunit to the lamp housing 2, the light source bulb side harness cord 51 and the lamp side connector 52 are pulled out from the back side opening 201 from the lamp room 4 side, and the waterproof film 203 is pulled out of the lamp housing 2. Back surface closing portion 200 of 2
To be stretched.

Further, the light source bulb 5 is connected to the harness socket 50 on the surface opening 20 side of the lamp housing 2.
(See FIG. 11). Then, the lens 3 is detachably attached to the surface opening 20 of the lamp housing 2 and the openings 1L and 1R of the rear bumper 1. At this time, the seal convex portion 30 presses the seal member 9 with the seal, the contact portion 31 contacts the step portion 26, and the pressing portion 32 presses the engaging concave portion 60 (see FIG. 7).

Thus, the backup lamp BL, the tail stop lamp TSL, and the turn signal lamp T
L in combination with the rear bumper 1
(See FIG. 6). The rear bumper 1 and the lamp housing 2 have an integral structure. The lens 3, the light source bulb 5, the inner panel 6 of the lamp subunit, and the reflector 7
And the harness socket 50 is a backup lamp B for the rear combination lamp (lamp unit LU).
L, a tail stop lamp TSL, and a turn signal lamp TL.

Next, in an automobile assembly line. Lamp unit L assembled on a part assembly line
By assembling the U and the rear bumper 1 integrally into a vehicle body (not shown), the lamp unit LU
The rear bumper 1 is assembled to the rear portion of the vehicle C while being disposed in the left and right openings 1L and 1R (see FIG. 5).

The vehicular lamp according to the present invention in this embodiment has the above-described configuration, and the operation and operation thereof will be described below. When the light source bulb 5 is turned on, light from the light source bulb 5 is reflected by the reflecting surface 70 of the reflector 7 through the lens 3.
The light is reflected to the outside, and is irradiated to the outside through the lens 3 in a predetermined light distribution pattern.

As described above, the vehicular lamp according to the present invention in this embodiment has a structure in which the bumper 1 and the lamp housing 2 have an integral structure, and a waterproof wall 202 and a waterproof lid are provided on the rear surface closing portion 200 of the lamp housing 2. 206, the waterproof wall 202 and the waterproof
By covering the 01 and a part of the harness cord 51 on the light source bulb side, a waterproof structure that is inexpensive and has good workability can be obtained. In addition, since the respiratory path is formed in the cut 208 of the waterproof wall 202 and the cut 207 of the waterproof lid 206, the respiratory path can be secured with a simple structure. That is, it is possible to breathe between the inside and the outside of the lamp chamber 4 via the breathing paths 207 and 208 and the back opening 201. In addition, this respiratory tract 2
07 and 208 are provided below the waterproof wall 202 and the waterproof lid 206, so that water flows through the respiratory passages 107 and 108.
Through the rear opening 201 and into the lamp chamber 4. Furthermore, since an O-ring for a socket seal, a grommet for a socket seal, a grommet for a harness-vehicle seal, and a breathing grommet are not required, the number of parts is reduced.

Further, a plurality of lamps BL, TS
Since the plurality of L and TL harness cords 51 are put together, the main harness cord 54 connected to the power supply side connector 53 can be routed to the center of the vehicle body for wiring, so that a good wiring line can be obtained. . In addition, since the rear opening 201 of the rear closing portion 200 of the lamp housing 2 is largely opened, the harness cord 51 and the lamp connector 52 on the light source bulb side can be easily pulled out from the lamp chamber 4 side. In addition, wiring of the harness cord can be easily performed. In addition, despite the provision of the large opening back surface opening 201, the waterproof wall 202 and the waterproof lid 206 are provided, and the waterproof lid 206 is closed and the cylindrical opening 209 of the waterproof wall 202 is closed, so that it is easy. Waterproof action can be obtained with a simple operation and at low cost.

In particular, in the vehicle lamp of the present invention in this embodiment, the components of the lamp unit (the light source bulb 5, the lens 3, and the light source bulb 5, the lens 3, By assembling the inner panel 6, the reflector 7, the harness socket 50, and the like of the lamp subunit, the assembly of the lamp unit LU and the rear bumper 1 is completed. This eliminates the need to assemble the lamp unit LU and the rear bumper 1 in the automobile assembly production line, thereby reducing the number of assembling steps and improving the assembling process.

Further, since the lamp housing 2 and the rear bumper 1 have an integral structure, two parts become one part,
In addition, there is no need for an assembling part for assembling the two parts, and accordingly, the number of parts is reduced and cost is reduced.

The lamp housing 2 and the rear bumper 1 have an integral structure, so that the lamp unit L
The mounting rigidity between the U and the vehicle body increases, and the lamp unit LU
Keeps a stable attachment state to the vehicle body.

Further, since the lamp housing 2 and the rear bumper 1 have an integral structure, the number of parts for managing the gap, surface difference, parallelism, and the like between the lamp unit LU and the rear bumper 1 is reduced. Dimension management becomes easy.

Further, in the vehicle lamp of the present invention in this embodiment, since the bumper 1 and the lamp housing 2 have an integral structure, the assembling, removing, and replacing of the light source bulb 5 and the reflector 7 are performed by the lamp housing 2. , That is, a vehicle lamp of a type performed from the lens 3 side. In the vehicle lamp of the present invention in this embodiment, since the lens 3 is detachable from the rear bumper 1 and the lamp housing 2 having an integral structure, the lens 3 is removed from the surface opening 20 of the lamp housing 2. Thus, as shown in FIGS. 10 and 11, the light source bulb 2 can be replaced. In addition, the lens 3 can be recycled and the lens 3 can be replaced.

Further, in this embodiment, since the reflecting surface 70 is provided at least on the surface side of the reflector 7, the cost can be further reduced. The inner surface on the front side of the inner panel 6 may be subjected to aluminum deposition, silver painting, or the like, similarly to the reflection surface 70. In this case, the appearance is improved. On the other hand, in the backup lamp BL, the tail stop lamp TSL, and the turn signal lamp TL of the rear combination lamp (lamp unit LU), the rear portion of the inner panel 6 and the L-shaped groove 6
If the shape of 1 and the tapered portion 62 are unified, the same reflector 7 can be used, the versatility of the reflector 7 can be obtained, and the cost can be further reduced.

In this embodiment, the lens 3
(The screw 33, the engaging hole 2)
7 and the engagement projection 34) are formed in the opening 1 of the rear bumper 1.
L, 1R, they are not visible when the front side of the rear bumper 1 is viewed from an obliquely upper eye point E as shown in FIG. In particular, the upper mounting point is not visible. As a result, the appearance is improved.

In the above-described embodiment, the lamp unit LU is a rear combination lamp and the bumper is the rear bumper 1. However, the vehicular lamp of the present invention has a lamp unit other than the rear combination lamp as the lamp unit. For example, a front combination lamp may be used, and a bumper other than the rear bumper 1, for example, a front bumper may be used.

[0046]

As described above, the vehicular lamp of the present invention has a structure in which the bumper and the lamp housing are integrally formed, and a waterproof wall and a waterproof lid are provided on the rear surface closed portion of the lamp housing. By covering the rear opening and a part of the harness cord on the light source bulb side with the waterproof wall and the waterproof lid, a waterproof structure that is inexpensive and has good workability can be obtained.
In addition, since the breathing path is formed in the waterproof wall and the waterproof lid, the breathing path can be secured with a simple structure. Furthermore, since an O-ring for a socket seal, a grommet for a socket seal, a grommet for a harness-vehicle seal, and a breathing grommet are not required, the number of parts is reduced.

[Brief description of the drawings]

FIG. 1 shows one embodiment of a vehicular lamp of the present invention.
FIG. 2 is a sectional view taken along line II in FIG.

FIG. 2 is a partial perspective view showing a main part of the vehicular lamp of the present invention.

FIG. 3 is a partial longitudinal sectional view showing a main part of the vehicular lamp of the present invention, with a waterproof lid opened.

FIG. 4 is a partial longitudinal sectional view showing a main part of the vehicular lamp of the present invention, with a waterproof lid closed.

FIG. 5 is a perspective view of the rear bumper, which is arranged at the left and right openings, and assembled to the rear of the vehicle.

FIG. 6 is a front view of a state in which the rear bumper is disposed in left and right openings.

FIG. 7 is a sectional view taken along line VII-VII in FIG.

FIG. 8 is a sectional view taken along line VII-VII in FIG. 6, showing a molded product having an integral structure of a lamp housing and a rear bumper.

FIG. 9 is a sectional view taken along the line VII-VII in FIG. 6, showing a state where a clip and a sealing material are set on the lamp housing.

FIG. 10 is a sectional view taken along the line VII-VII in FIG. 6, showing a state where the lamp subunit is set in the lamp housing.

FIG. 11 is a sectional view taken along the line VII-VII in FIG. 6, showing a state where the light source bulb is attached to the lamp subunit.

FIG. 12 is a perspective view of a clip.

FIG. 13 is a partial perspective view showing a modification of the fixing means for fixing the inner panel to the lamp housing.

FIG. 14 is a partial front view showing a state before the reflector is assembled to the inner panel.

FIG. 15 is a partial front view showing a state where the reflector is inserted into the inner panel.

FIG. 16 is a partial front view showing a state where the reflector is assembled to the inner panel.

FIG. 17 is a partial cross-sectional view showing a means for attaching the lamp housing and the lens.

FIG. 18 is a partial cross-sectional view showing a modification of the means for attaching the lamp housing and the lens.

[Explanation of symbols]

LU: lamp unit, BL: backup lamp, T
SL: tail stop lamp, TL: turn signal lamp, C: automobile, LP: license plate, ZZ
... optical axis, 1 ... rear bumper, 1L, 1R ... opening, 2
... Lamp housing, 20 ... Surface opening, 21 ... Seal recess, 22 ... Fixed recess, 23 ... Outer wall, 24 ... Inner wall,
25: fitting concave portion, 26: step portion, 27: engaging hole, 28: elastic piece, 200: back surface closing portion, 201: back surface opening portion, 20
2: waterproof wall, 203: first auxiliary waterproof wall, 204: second auxiliary waterproof wall, 205: hinge, 206: waterproof lid, 207,
208 ... cut (respiratory tract), 209 ... cylinder opening, 21
0: bent piece, 3: lens, 30: seal projection, 31
... Abutment part, 32 ... Holding part, 33 ... Screw, 34 ...
Engagement convex part, 4 ... Light room, 5 ... Light source bulb, 50 ... Harness socket, 51 ... Harness code on light source bulb side, 52
... lamp side connector, 53 ... power supply side connector, 54 ... main harness cord, 6 ... inner panel, 60 ... engagement concave part, 61 ... L-shaped groove, 62 ... taper part, 63 ... fitting convex part, 7 ... reflector, 70: reflection surface, 71: engagement projection,
72: tapered portion, 73: short cylindrical portion, 8: clip, 80
... outer nails, 81 ... inner nails, 9 ... sealing material.

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) F21Q 1/00 J

Claims (3)

[Claims] 1. A lamp housing having an opening on a front side and a back side closed, a lens attached to a front opening of the lamp housing, a lamp housing and the lens. A lamp unit including a lamp chamber, a light source bulb disposed in the lamp chamber, and a bumper having an opening, wherein the lamp unit is disposed in the opening of the bumper, and A vehicular lamp in which the lamp housing and the bumper are integrally formed via an edge of a surface opening and an edge of an opening of the bumper, wherein a back surface closing portion of the lamp housing has a back surface opening. A harness cord on the light source bulb side is wired from the lamp chamber side to the outside at the rear opening, and the lamp housing is A tubular waterproof wall surrounding the back opening is integrally provided on the back blocking portion of the housing, and the waterproof wall is provided with a tubular opening. On the edge, a waterproof lid for closing the cylindrical opening is integrally provided so as to be openable and closable via a hinge, and the waterproof wall and the waterproof wall in a state where the waterproof lid is closed and the cylindrical opening is closed. The waterproof lid has a breathing path formed therein, and the waterproof wall and the waterproof lid cover a part of the rear opening and a part of the harness code on the light source bulb side. A vehicular lamp, wherein a lamp-side connector is connected to the cord, and the light source bulb is supplied with power by fitting a power-side connector into the lamp-side connector. 2. The vehicular lamp according to claim 1, wherein the waterproof lid is formed by a die cutting structure in an inner size of the back surface opening. 3. The waterproof wall and the front waterproof cover are provided with cuts for fixing a harness cord on the light source bulb side and for forming the respiratory tract.
Or the vehicle lighting device according to 2.