JPH0734508U - Vehicle lighting - Google Patents

Abstract

(57) [Abstract] [Purpose] To provide a vehicular lamp that can improve the appearance while covering the tip of a bulb with a shade. A bulb 2 is held by a reflector 3 as a lens holder having a front opening 3a and two reflecting surfaces 3e, 3e, a front opening 3a is closed by a lens 4, and a ridgeline R is formed.
The surface portions 5a, 5 facing the opposite edge parallel to the ridge line R
The tip end 2a of the valve 2 is a shade 5 in which a is curved backward toward the outside and widens toward the rear, and opposing edges 5b and 5b intersecting the ridge line R are extended to the edge of the front opening 3a. Is covered.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a vehicular lamp in which a bulb is held by a lens holder having a front opening, and the front opening is closed by a lens.

[0002]

[Prior art]

 Conventionally, for example, as shown in FIG. 12 (A), various vehicular lamps have a tip portion of a bulb b so as to block a light flux emitted directly from the bulb b toward the front surface of the lens. There is a shade provided with a covering s.

Further, in such a shade s, as shown in FIG. 12B, a pair of leg portions s2 and s2 having flanges s1 and s1 are integrally formed, and the flanges s1 and s1 are attached to the valve holder. Is fixed to the reflector r as shown in FIG.

[0004]

[Problems to be solved by the device]

 By the way, in the vehicular lamp configured as described above, there is a problem that the shape of the shade s is directly visible through the lens.

The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicular lamp that can improve the appearance while covering the tip of the bulb with a shade.

[0006]

[Means for Solving the Problems]

 According to the present invention, in order to achieve the object, a valve is held by a lens holder having a front opening and two adjacent reflecting surfaces that are parabolic, and the front opening is closed to a lens. In a vehicular lamp having a tip covered with a shade, a surface portion of an arc-shaped ridge line facing a boundary portion of the reflection surface of the shade to a facing edge portion parallel to the ridge line substantially follows the shape of the reflection surface. As described above, the main feature is that the facing edge portion that widens backward while curving back and that intersects the ridge line of the shade extends to the edge portion of the front opening.

[0007]

[Action]

 In such a configuration, the bulb is held by the lens holder having the front opening and the two reflecting surfaces adjacent to each other, the front opening is closed by the lens, and the ridge line from the ridge line facing the boundary of the reflecting surface is formed. The front end of the valve is shaded by a shade that extends toward the edge of the front opening, with the surface facing the opposite edge parallel to The part is covered.

[0008]

【Example】

 Next, an embodiment of the vehicular lamp according to the present invention will be described with reference to FIGS. 1 to 11 by applying it to a fog lamp.

1 to 5, a vehicular lamp 1 includes a reflector 3 holding a bulb 2, a lens 4 held by the reflector 3 so as to close a front opening 3 a of the reflector 3, and a bulb 2. It includes a shade 5 provided in the front and a housing 6 covering the leg 4a of the lens 4 to the rear of the reflector 3.

The rear portion of the housing 6 is detachably fixed to the bracket 7. A packing 8 is provided between the outer flange 3b formed on the outer wall of the reflector 3 and the end surface 4b of the lens 4 along the opening edge of the front opening 3a. Water droplets are prevented from entering the interior of the lamp chamber 9 that is formed in Step 1. The packing 8 also plays the role of an adhesive for holding the lens 4 on the reflector 3.

At the rear portion of the reflector 3, as shown in FIGS. 6A and 6B, the optical axis P1 of the bulb 2 is slightly different from the axis P2 orthogonal to the edge of the front opening 3a (for example, 3 °) A cylindrical valve holding portion 3c for holding the valve 2 in a tilted state is formed so as to project rearward.

As shown in FIGS. 7 (A) and 7 (B), a water drop blocking portion 3d is integrally provided on the outer wall surface of the valve holding portion 3c near the rear portion so as to protrude from the housing 6. It is set so that invading water droplets will not be transmitted to the socket 2a of the valve 2 (see FIG. 1). The water drop blocking portion 3d may be a groove instead of a protrusion.

The surface of the shade 5 that blocks the light beam that directly travels from the bulb 2 to the lens 4 (the surface that faces the lens 4 in FIG. 1) is similar to the reflective film deposited on the reflective surfaces 3e and 3e of the reflector 3. The reflective coating of is deposited. In addition, as shown in FIGS. 1, 5, 8 and 9A to 9C, a ridge line R having an arcuate shape facing the boundary portion of the reflecting surfaces 3e, 3e is opposed to a ridge line R parallel to the ridge line R. The surface portions 5a, 5a of the shade 5 facing the edge portion are formed in an object-shaped umbrella shape which is curved outwards along the reflecting surfaces 3e, 3e of the reflector 3 and is expanded rearward. Further, the opposing edge portions 5b, 5b intersecting the ridgeline R of the shade 5 extend to the edge portion of the front opening 3a. Flat flanges 5c and 5c are provided on the opposite edges 5b and 5b so as to project therefrom.

As shown in FIG. 10, the flanges 5c and 5c are sandwiched between the reflector 3 and the lens 4 while being positioned in the shade holding grooves 3f and 3f formed in the reflector 3, and the shade 5 is held by the sandwiching. Is fixed.

Therefore, in the shade 5, the surface portions 5a, 5a for covering the tip of the bulb 2 are shaped so as to follow the reflecting surfaces 3e, 3e of the reflector 3 as a whole, and the opposite edges 5b, 5b are formed in the front opening 3a. Since it is extended to the inside, when you see the interior of the lamp room through the lens 4, it looks good with a sense of unity that there is no shade 2 as well as the bulb 2. ing.

Since the flanges 5c and 5c are located outside the front opening 3a, they serve as a fixing means that does not impair the feeling of unity, and moreover, through the screw n as a conventional fixing means. Not only is it possible to reduce the number of parts and the work man-hours required to tighten the screws for the structure in which the shade s is fixed to the reflector r, but the screw n can be seen from the outside because it is unnecessary. It is possible to improve the appearance without being lost.

The housing 6 includes a front housing 10 and a rear housing 11, and the front and rear housings 10, 11 are combined by a pair of left and right screws 12, 12, and the inner circumference of the front housing 10 is determined by the combined state. The leg 4a of the lens 4 is press-fitted into the surface, and the reflector 3 and the lens 4 are held by the housing 6.

Recesses 13, 14, 15 (see FIG. 5) are formed in the rear portion of the rear housing 11. Further, the recess 14 and the recess 15 are partitioned by a flange 11a which is integral with the rear housing 11. A screw hole 11b is formed in the flange 11a. Further, the rear housing 11 is fitted with a grommet 17 which holds wiring cords 16 for supplying power to the valve 2. Moreover, the outer wall surface of the rear housing 11 is provided with multi-striped collars 18, 18 ... In order to prevent water droplets from being guided along the outer wall surface to the grommet 17.

As shown in FIG. 3, the concave portion 13 is formed by a standing wall portion 11c having a circular arc shape at the front and opening rearward. Like the recess 13, the recess 14 is also formed by an upright wall portion 11d that has an arcuate shape at the front and opens rearward. Further, a projection 11e is provided on an outer wall surface which is a bottom wall of the recess 13 of the rear housing 11.

As shown in FIGS. 11A to 11C, the bracket 7 has a substantially U-shape having wall surfaces 7a and 7b facing left and right thereof. Further, the tips of the wall surfaces 7a and 7b are arcuate along the standing wall portions 11c and 11d of the recesses 13 and 14, respectively. Further, the wall surface 7a is formed with a screw hole 7c which is screwed with a screw 19 for mounting the bracket 7 to the rear housing 11, and is coaxial with the screw hole 11b, and the wall surface 7b is engaged with the protrusion 11e. Are formed. The holes 7c and 7d are formed coaxially.

In such a configuration, first, the lens 3 is held by the reflector 3 via the packing 8 in a state where the projections 5c, 5c of the shade 5 are sandwiched between the reflector 3 and the lens 4.

Next, the rear portion of the reflector 3 is inserted into the rear housing 11 with the bulb 2 held by the reflector 3, and the wiring cords 16 and 16 are held by the rear housing via the grommets 17.

Further, from this state, the front housing 10 is inserted from the front of the lens 4 to hold the lens 4 integrally with the reflector 3, and the front housing 10 is fixed to the rear housing 11 with screws 12 and 12. Assemble the lamp body.

After the projection 11e is engaged with the engagement hole 7d so that the wall surface 7a is located in the recess 14, the bracket 7 is attached to the rear housing 11 with the screw 19 by aligning the screw holes 7c and 11b. To do.

When the vehicle lighting device 1 is mounted on a vehicle body (not shown), the bracket 7 is mounted on the vehicle body. At this time, the main body of the lamp can be rotated about the screw 19 and the protrusion 11e by the shape of the tips of the wall surfaces 7a and 7b of the bracket 7 and the shapes of the standing wall portions 11c and 11d of the recesses 13 and 14, respectively. It is possible to adjust the vertical direction of the illumination light.

[0026]

[Effect of device]

 As described above, in the vehicular lamp of the present invention, the surface portion facing from the arc-shaped ridge line facing the boundary portion of the reflective surface of the shade to the opposite edge parallel to the ridge line is substantially in the shape of the reflective surface. The valve covers the tip of the valve with the shade because the opposite edge that intersects with the ridgeline of the shade extends to the edge of the front opening while curving back along the side and expanding toward the rear. It is possible to improve the appearance.

[Brief description of drawings]

FIG. 1 is a horizontal sectional view of a main part of a vehicle lamp of the present invention.

FIG. 2 is likewise a plan view of the lamp body.

FIG. 3 is likewise a side view of the lamp body.

FIG. 4 is likewise a front view of the lamp body with the lens removed.

FIG. 5 is likewise a rear view of the lamp body.

[FIG. 6] Similarly, (A) is a horizontal sectional view of the reflector,
(B) is a front view of the reflector.

[FIG. 7] Similarly, (A) is a side view of the reflector,
(B) is a longitudinal sectional view of the reflector.

FIG. 8 is a sectional view of the waist showing the relationship between the shade and the reflector.

9A is a front view of the shade, FIG. 9B is a side view of the shade, and FIG. 9C is a bottom view of the shade.

FIG. 10 is likewise an enlarged cross-sectional view of a main part with a shade attached.

11A is a side view of one side of the bracket, FIG. 11B is a plan view of the bracket, and FIG. 11C is a side view of the other side of the bracket.

12A and 12B show a conventional vehicle lamp, in which FIG. 12A is a vertical cross-sectional view of a main part, and FIG. 12B is a perspective view showing the appearance of a shade.

[Explanation of symbols]

 1 ... Vehicle lamp 2 ... Bulb 3 ... Reflector (lens holder) 3a ... Front opening 3e ... Reflecting surface 4 ... Lens 5 ... Shade 5a ... Surface portion 5b ... Face edge 5c ... Flange

Claims (2)

[Scope of utility model registration request] 1. A bulb is held by a lens holder having a front opening and two adjacent reflecting surfaces that are parabolic, the front opening is closed by a lens, and the tip of the bulb is covered with a shade. In a vehicular lamp, a surface portion of an arc-shaped ridge line that faces a boundary portion of the reflection surface of the shade and faces an opposite edge portion parallel to the ridge line is curved backward so as to substantially follow the shape of the reflection surface. The lighting device for a vehicle according to claim 1, wherein an opposite edge portion of the shade that is widened and that intersects with the ridgeline of the shade extends to an edge portion of the front opening. 2. The flat flange is provided so as to project from a facing edge portion of the shade that intersects with the ridge line, and the flange is sandwiched between the lens holder and the lens. Vehicle lighting.