JPH066402Y2 - Car lamp - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a combination lamp in which a comparatively small main body lamp and a comparatively small functional lamp are incorporated.

[Conventional technology]

This type of combination lamp is put to practical use in the form of a back lamp incorporated in a stop lamp for an automobile, for example.

FIG. 2 is a front view of a combination lamp in which the back lamp 2 is incorporated in the stop lamp 1, where the stop lamp 1 is a red lamp and the back lamp is a white lamp.

In the accompanying drawings of the present invention, red color is represented by spots.

Reference numeral 8a is a light source bulb for a back lamp, and 8b is a light source bulb for a stop lamp.

The III-III cross section of FIG. 2 is shown in FIG.

A colorless and transparent outer lens 4 is attached to cover the front opening of the lamp housing.

A red inner lens 5 for a stop lamp is arranged inside the outer lens 4, and the periphery thereof is fixed to the lamp housing 3.

A colorless inner lens 6 for a back lamp is fitted in the center of the stop lamp inner lens 5.

A light source bulb 8a for a back lamp is shown in this cross section (FIG. 3). The light emitted from the light source bulb 8a for the back lamp is the inner lens 5 for the stop lamp.
A shade 7 is provided so as not to be incident on.

[Problems to be solved by the device]

In a conventional automotive lamp of this type, as shown in the conventional example of FIG. 3, an inner lens for a main body lamp (in the main body, an inner lens 5 for a stop lamp) is provided with an opening, and an inner lens for another function lamp (main body) is provided. In the example, the inner lens 6) for the back lamp is fitted and integrally connected.

When such an inner lens is industrially produced with a synthetic resin material, (a) both members are separately formed and fixed to each other by ultrasonic welding, or (b) an insert molding method is used. Injection molded together.

However, both of the methods (a) and (b) require large-sized and expensive equipment and require a large number of man-hours, resulting in high manufacturing cost.

Further, the D area (FIG. 3) where the fitting portions of both inner lenses and the front edge of the shade 7 overlap each other becomes an invalid portion (dummy portion) for the lamp function.

In addition, since the inner lens and the shade 7 are formed as separate bodies and are attached separately, a large amount of light leaks from the gap.

The present invention has been made in view of the above circumstances, and a. Low manufacturing cost, b. The invalid part (dummy part) is small, and c. It is an object of the present invention to provide a combination lamp for an automobile, which has less light leakage from the shade.

[Means for Solving the Problems]

In order to solve the above-mentioned object, the structure of the present invention includes an outer lens attached to cover a front opening of a lamp housing, a light source bulb installed in the lamp housing, and an inner lens disposed inside the outer lens. The inner lens is composed of (a) an inner lens for a main body lamp, which is fixed to a lamp housing around the inner lens, and (b) is fitted in an opening provided in a part of the lens surface of the inner lens for the main body lamp. It is composed of an inner lens for different function lamps that are combined, and in a vehicle lamp having a shade that shields the light emitted from the light source bulb for the different function lamp so as not to enter the inner lens for the main body lamp, The inner lens for the different function lamp and the shade,
It is integrally molded with a transparent synthetic resin material, and
A light shielding layer made of a thin layer of an opaque material is provided on the surface of the shade.

[Action]

According to the above configuration, since it is not necessary to integrally configure the main body lamp inner lens and the different function lamp inner lens, it is not necessary to provide large-scale equipment for the two-color integral lens configuration, and Since it is not necessary to bond separate lenses, it does not require equipment for joining such as ultrasonic welding, does not require time and labor for joining, and the ineffective part (dummy part) caused by the joining. .D shown in FIG.
There is no department.

〔Example〕

FIG. 1 is a sectional view showing an embodiment of an automobile lamp according to the present invention.

This embodiment is an example improved by applying the present invention to the conventional example shown in FIG. 3, and the members having the same drawing reference numerals as in FIG. 3 are the same as or similar to those in the conventional example. Is a constituent member of.

The inner lens 9 for the stop lamp of this example has an opening 9 that is loosely fitted to the inner lens 10 for the back lamp.
a is provided.

The inner lens 10 for the back lamp is a transparent shade.
It is injection-molded integrally with 11 with a transparent synthetic resin material (colorless and transparent in this example).

A light shielding layer 12 made of an opaque thin film is attached to the outer peripheral portion of the transparent shade 11 to form a film.

In this example, an opaque coating film was formed by a black paint, but when the present invention is carried out, the opaque light shielding layer 12 may be applied with any known technique (for example, vapor deposition of a metal film).

In the automobile lamp (FIG. 1) of the present embodiment, the back lamp inner lens 10 and the shade 11 are integrally formed, so that the ineffective portion (dummy portion) d is extremely small.

Moreover, since the light-shielding layer 12 is provided on the outer peripheral surface of the transparent shade 11 integrally formed with the inner lens 10 for the back lamp, light leakage from the vicinity of the front edge of the shade 11 is extremely small.

[Effect of device]

As described above, the present invention is applied to a combination lamp for an automobile in which a relatively small-sized different function lamp is incorporated in a relatively large-sized main body lamp, and an inner lens and a shade for the different-function lamp are provided. By integrally molding the transparent synthetic resin material and providing a light shielding layer on the surface of the shade, a. Low manufacturing cost, b. The invalid part (dummy part) is small, and c. There is little light leakage from near the front edge of the shade.

[Brief description of drawings]

FIG. 1 is a vertical sectional view showing an embodiment of an automobile lamp according to the present invention. FIG. 2 is a front view of a conventional combination lamp for an automobile, and FIG. 3 is a III-III sectional view thereof. 3 ... Lamp housing, 4 ... Outer lens, 5 ...
Inner bulb for stop lamp of conventional example, 6 ... Inner lens for back lamp of conventional example, 7 ... Shade of conventional example, 8a ... Light source bulb for back lamp, 8b ... Light source bulb for stop lamp, 9 ... ... Inner lens for stop lamp of the embodiment, 10 ... Inner lens for back lamp of the embodiment, 11 ... Transparent shade of the embodiment, 12 ... Light-shielding layer.

Claims (1)

[Scope of utility model registration request] 1. An inner lens comprising an outer lens mounted to cover a front opening of a lamp housing, a light source bulb installed in the lamp housing, and an inner lens arranged inside the outer lens. (A) an inner lens for a main body lamp, the periphery of which is fixed to a lamp housing, and (b) an inner lens for another function lamp, which is fitted into an opening provided in a part of the lens surface of the main body inner lens. In the automobile lamp having a shade for shielding the light emitted from the light source bulb for the different function lamp so as not to enter the inner lens for the main body lamp, the inner lens for the different function lamp and the The shade
It is integrally molded with a transparent synthetic resin material, and
A lamp for an automobile, characterized in that a light shielding layer made of a thin layer of an opaque material is provided on the surface of the shade.