JP5366249B2 - Lamp device for vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To configure a vehicular lamp device such that light radiated by another lamp has not a bad influence on light radiation by an LED lamp in an internal space of a lamp housing, thereby keeping an appearance of an external view of the lamp device satisfactory when the lamp device radiates light. <P>SOLUTION: A vehicular lamp device is equipped with: an LED lamp 21 provided in an internal space 8 of a lamp housing 7 and radiating light 9; a wiring board 23 arranged behind the LED lamp 21 and mounting the LED lamp 21; an inner lens 24 arranged ahead of the LED lamp 21 and allowing the light 9 radiated by the LED lamp 21 to pass through; and another lamp 30 provided in the internal space 8 and radiating the light 9. An extension body 32 integrally extending from the inner lens 24 to the rear of the other lamp 30 is provided, and is subjected to surface treatment so that the light 9 radiated by the other lamp 30 is reflected toward the front side. At least a part of the extension body 32 is arranged ahead of the wiring board 23. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

  In the present invention, when an LED (light emitting diode) lamp and another lamp are provided in an internal space of a lamp housing attached to a vehicle body, the light emitted from the other lamp is irradiated with light from the LED lamp. The present invention relates to a vehicular lamp device that does not adversely affect the vehicle.

  Conventionally, the above-described vehicle lamp device is disclosed in Patent Document 1 below. According to this publication, a vehicular lamp device is attached to a vehicle body and transmits light irradiated in the internal space toward a front side which is a certain one side, and the internal space. An LED lamp that is provided and irradiates light toward the front side, is disposed behind the LED lamp in the internal space, and is disposed in front of the LED lamp in the internal space, and a wiring board on which the LED lamp is mounted. And an inner lens that transmits the light irradiated by the LED lamp.

  When power is supplied from the wiring board to the LED lamp, the LED lamp emits light, and the light passes through the inner lens and is emitted toward the front side. As described above, when light passes through the inner lens, the light is sequentially condensed and diffused, and then irradiated toward the front side. Thereby, a desired irradiation state can be obtained for the light of the LED lamp.

JP-A-8-227603

  By the way, in the said vehicle lamp device, in addition to an LED lamp, it may be desired to provide another lamp in the internal space of the lamp housing. In this case, if the light emitted from the other lamp leaks to the front side of the inner lens, this leakage of light has some adverse effect on the irradiation of the light from the LED lamp that passes through the inner lens to the front side. Tend to give. Therefore, in this case, the appearance of the lamp device at the time of light irradiation may be deteriorated, which is not preferable.

  Therefore, in order to prevent light leakage to the front side of the inner lens, a reflector for separately reflecting the light emitted from the other lamps toward the front side and blocking the light toward the front side of the inner lens is provided. It is possible.

  However, since the internal space of the lamp housing is provided with the wiring board and the like in addition to the LED lamp and the inner lens, the surplus space in the internal space is extremely narrow. Therefore, it is not easy to provide the reflector separately. Further, even if the reflector can be provided, there is a problem that the number of parts of the lamp device increases and the configuration becomes complicated.

  The present invention has been made paying attention to the above situation, and an object of the present invention is to provide a vehicular lamp device in which an LED lamp and another lamp are provided in an internal space of a lamp housing. The light emitted from the lamp is not adversely affected by the light emitted from the LED lamp, so that the appearance of the lamp device during the light irradiation can be satisfactorily maintained. Further, the above-described good holding of the lamp device is achieved by a simple configuration.

The invention of claim 1 is provided in the internal space 8 and the lamp housing 7 which is attached to the vehicle body 2 and transmits light 9 irradiated in the internal space 8 toward the front side which is a certain direction A side. The LED lamp 21 that irradiates the light 9 toward the front side, the wiring space 23 that is disposed behind the LED lamp 21 in the internal space 8 and mounts the LED lamp 21, and the internal space 8 An inner lens 24 that is disposed in front of the LED lamp 21 and transmits the light 9 irradiated by the LED lamp 21 and another lamp 30 that is provided in the internal space 8 and emits the light 9 toward the front side. In the vehicle lamp device provided,
An extension body 32 that integrally extends from the inner lens 24 to the rear of the other lamp 30 is provided, and the extension 9 reflects the light 9 emitted from the other lamp 30 toward the front side. Surface 32 of the body,
The vehicle lamp device is characterized in that at least a part of the extended body 32 is disposed in front of the wiring board 23.

  In addition, in this section, the reference numerals and drawing numbers appended to the above terms are not intended to limit the technical scope of the present invention to the “Example” section and the contents of the drawings described later.

  The effects of the present invention are as follows.

According to the first aspect of the present invention, a lamp housing that is attached to the vehicle body and transmits light emitted from the interior space thereof toward the front side, which is a certain direction, is provided in the interior space and directed toward the front side. An LED lamp that irradiates light, and is disposed behind the LED lamp in the internal space, and is disposed in front of the LED lamp in the internal space and a wiring board that mounts the LED lamp. In a vehicle lamp device comprising: an inner lens that transmits light, and another lamp that is provided in the internal space and emits light toward the front side.
An extension body that integrally extends from the inner lens to the rear of the other lamp is provided, and the extension body is surface-treated so as to reflect the light emitted by the other lamp toward the front side. ing.

  For this reason, since the light emitted from the other lamp is reflected forward by the extension body, the light going to the front side of the inner lens is blocked, that is, the light is Leakage to the front side of the inner lens is prevented. Therefore, the light of the other lamp is prevented from having any adverse effect on the light irradiation of the LED lamp that passes through the inner lens to the front side. The appearance of is kept well.

  In addition, the above-mentioned lamp device having a good appearance can be obtained by using the inner lens for bringing the light of the LED lamp into a desired irradiation state, and extending the extending body integrally extending from the inner lens. This is due to the provision. For this reason, although the surplus space in the internal space of the lamp housing is narrow, it is relatively easy to provide the extending body as described above as compared to providing a separate reflector for the other lamp. In addition, as described above, since the extension body is integrally formed on the inner lens, an increase in the number of parts of the lamp device is suppressed, so that the good appearance of the lamp device can be easily maintained. Achieved by:

  Moreover, according to the said invention, the at least one part of the said extension body is arrange | positioned ahead of the wiring board.

  For this reason, when the said lamp device is seen from the front side, it is prevented by the utilization of the said extension body that the said wiring board can be seen easily. Therefore, the appearance of the lamp device described above is better maintained, and this is achieved with a simple configuration.

  Further, since the extension body is integrally extended from the inner lens, as described above, a reflector is separately provided for another lamp, and the reflector is attached to the lamp housing by some attachment means. In comparison, the layout of the extension body in the interior space of the lamp housing can be facilitated.

It is the II sectional view taken on the line of FIG. It is the rear view which looked at the lamp device for vehicles from the back side of vehicles. FIG. 3 is a cross-sectional view taken along line III-III in FIG. 2. It is a perspective development view of a lamp device for vehicles.

  The vehicle lamp device according to the present invention relates to a vehicle lamp device in which an LED lamp and another lamp are provided in an internal space of a lamp housing. In order to achieve the object of maintaining the appearance of the lamp device when it is irradiated with light so as not to adversely affect the light, a mode for carrying out the present invention is as follows. It is.

  In other words, the vehicular lamp device is attached to the vehicle body, and is provided in the inner space, which is provided in the inner space and transmits the light irradiated in the inner space toward the front side which is one direction side. An LED lamp that irradiates light toward the rear of the LED lamp in the internal space, the wiring board on which the LED lamp is mounted, and an LED lamp that is disposed in front of the LED lamp in the internal space. An inner lens that transmits the irradiated light, and another lamp that is provided in the internal space and emits light toward the front side.

  An extension body that integrally extends from the inner lens to the rear of the other lamp is provided, and the extension body is subjected to a surface treatment so as to reflect the light emitted by the other lamp toward the front side. Is done. At least a part of the extended body is disposed in front of the wiring board.

  In order to explain the present invention in more detail, an embodiment thereof will be described with reference to the accompanying drawings.

  In the figure, reference numeral 1 denotes a vehicle exemplified by an automobile. The vehicle 1 includes a vehicle body 2 and a lamp device 3 provided on an end surface side portion of the rear portion of the vehicle body 2 in the longitudinal direction of the vehicle body 2. Reference numeral 4 denotes a back door opening 4 formed on the end surface of the rear portion of the vehicle body 2.

  The lamp device 3 is a rear combination lamp, and the lamp device 3 includes a lamp housing 7 that constitutes an outer shell thereof and is attached to the vehicle body 2 by a fastener 6. The lamp housing 7 transmits light 9 irradiated in the internal space 8 toward the front side (the rear side of the vehicle body 2) which is a certain direction A side. The lamp housing 7 is made of resin, is attached to the vehicle body 2 by the fastener 6, and closes the opaque housing body 10 such as black that opens toward the front side, the front end opening of the housing body 10, and the light 9. And a transparent lamp outer lens 11 that transmits the lens toward the front side.

  First to third recesses 14 to 16 opening forward are formed on the front surface of the housing body 10. Each of the recesses 14 to 16 is formed so as to be surrounded and independent from each other by a partition wall 17 integrally formed on the front surface of the housing body 10. Each of the recesses 14 to 16 forms a part of the internal space 8.

  In the upper part of the first recess 14, a plurality (six) of LED lamps 21 that irradiate the red light 9 toward the front side, and the LED lamps 21 are disposed behind the LED lamps 21. A wiring board 23 that is fixed to the housing body 10 by a fastener 22, and an inner lens 24 that is disposed near the front of each LED lamp 21 and that transmits the light 9 emitted by each LED lamp 21; It has.

  The wiring board 23 and the inner lens 24 are made of resin, the wiring board 23 is an opaque body such as gray or black, and the inner lens 24 is a colorless transparent body. In this case, the component parts 21 to 24 of the lamp device 3 constitute a stop lamp of the vehicle 1.

  The wiring board 23 has a rectangular plate shape as viewed from the rear of the vehicle body 2, and the LED lamps 21 are mounted thereon. The wiring board 23 includes a circuit including a current control resistor and a diode, and is connected to an external power source by a connector via an input terminal (not shown) penetrating the housing body 10 rearward. .

  The inner lens 24 is located in front of each LED lamp 21 and the upper part of the wiring board 23, and each of the LED lamps 21 has a circular lens base 26 that covers these 21 and 23 from the front. A plurality of (six) lens bodies 27 that are located in front and are integrally formed with the lens base 26 and transmit the light 9 from the LED lamps 21 are provided. Each of these lens bodies 27 is a convex lens as a whole.

  Then, the light 9 from the LED lamp 21 is first condensed on the rear surface of the lens body 27, and then transmitted through the lens body 27 and then diffused toward the front side and irradiated on the front surface thereof. The Thereby, a desired irradiation state is obtained for the light 9 of each LED lamp 21.

  In the lower part of the recess 14, another lamp 30 that irradiates the red light 9 toward the front side is provided. The other lamp 30 uses a filament as a light source and is detachably attached to the housing body 10 to constitute a tail lamp of the vehicle 1.

  An extension body 32 that extends downward from the lower portion of the lens base portion 26 of the inner lens 24 and to the rear of the other lamp 30 is provided. The extension body 32 has a box-like body 33 that forms the extension end portion side of the extension body 32 and opens forward. The box-shaped body 33 faces the upper and lower plates 34 and 35 apart from each other in the vertical direction, and faces the lower plates 34 and 35 away from each other in the width direction of the vehicle body 2, and integrally connects the upper and lower plates 34 and 35 to each other. The right side plates 36 and 37 and the bottom plate 38 integrally connecting the rear end edges of the plates 34 to 37 are provided.

  The base portion 39 of the extension body 32 is integrally coupled to the rear portion of the upper plate 34. The upper plate 34 is interposed between the front side of the inner lens 24 and the other lamp 30.

  A through hole 40 is formed in the bottom plate 38, and the other lamp 30 is inserted through the through hole 40 toward the front. The inner surface of the box-shaped body 33 is plated as a surface treatment, and the plated portion is shown with a satin pattern in the drawing. The light 9 irradiated by the other lamp 30 is reflected toward the front side by plating of the inner surface of the box-shaped body 33. Further, another inner lens 41 that closes the front end opening of the box-shaped body 33 is provided. The other inner lens 41 is made of resin and is a colorless transparent body, and transmits the light 9 from the other lamp 30 toward the front side.

  In the vicinity of the front of the lower portion of the wiring board 23, a base 39 of the extension body 32, which is at least a part of the extension body 32, and an upper portion of the box-like body 33 are disposed.

  In the second and third recesses 15 and 16, further lamps 43 and 44 for irradiating light 9 toward the front are provided, respectively. Each of these other lamps 43 and 44 uses a filament as a light source and is detachably attached to the housing body 10 to constitute a back lamp and a turn lamp of the vehicle 1. Further, the inner surface of each of the second and third recesses 15 and 16 is subjected to a surface treatment (a satin pattern in the drawing) in the same manner as the inner surface of the box-shaped body 33. The light 9 emitted from the other lamps 43 and 44 is reflected toward the front side by plating of the inner surfaces of the second and third recesses 15 and 16.

  According to the above configuration, the extension body 32 that integrally extends from the inner lens 24 to the rear of the other lamp 30 is provided, and the light 9 emitted by the other lamp 30 is reflected toward the front side. The extended body 32 is subjected to a surface treatment.

  For this reason, the light 9 emitted from the other lamp 30 is reflected toward the front side by the extension body 32, so that the light 9 going to the front side of the inner lens 24 is blocked. In particular, the upper plate 34 of the box-shaped body 33 in the extended body 32 is more reliably shielded from light. That is, the light 9 from the other lamp 30 is prevented from leaking to the front side of the inner lens 24. Therefore, the light 9 of the other lamp 30 is prevented from having any adverse effect on the irradiation of the light 9 of the LED lamp 21 that passes through the inner lens 24 to the front side. The appearance on the occasion of irradiation with light 9 is maintained well.

  In addition, the above-mentioned good holding of the lamp device 3 is integrally extended from the inner lens 24 by using the inner lens 24 for bringing the light 9 of the LED lamp 21 into a desired irradiation state. This is because the extending body 32 is provided. For this reason, although the surplus space in the internal space 8 of the lamp housing 7 is narrow, it is relatively difficult to provide the extension body 32 as described above as compared to providing a separate reflector for the other lamp 30. Easy to do. In addition, since the extension body 32 is integrally formed with the inner lens 24 as described above, an increase in the number of parts of the lamp device 3 is suppressed. This is achieved with a simple configuration.

  Further, according to the above configuration, at least a part of the extending body 32 is disposed in front of the wiring board 23.

  For this reason, when the lamp device 3 is viewed from the front side, the wiring board 23 is prevented from being easily seen by using the extension body 32. Therefore, the appearance of the lamp device 3 described above is better maintained, and this is achieved with a simple configuration.

  Further, since the extending body 32 extends integrally from the inner lens 24, a reflector is provided separately for the other lamp 30 as described above, and the reflector is attached to the lamp by some attachment means. The layout of the extension body 32 in the internal space 8 of the lamp housing 7 can be facilitated compared to the case where the extension body 32 is attached to the housing 7.

  Although the above is based on the illustrated example, the lamp device 3 may be a lamp device related to a headlamp. The other lamps 30 may be plural, and the other lamps 30, 43, 44 may be LED lamps. Further, the lower plate 35 and the side plates 36 and 37 in the box-like body 33 of the extending body 32 may not be provided.

DESCRIPTION OF SYMBOLS 1 Vehicle 2 Car body 3 Lamp apparatus 7 Lamp housing 8 Internal space 9 Light 10 Housing main body 11 Lamp outer lens 14 Recess 15 Recess 16 Recess 17 Bulkhead 21 LED lamp 22 Fastener 23 Wiring board 24 Inner lens 30 Other lamps 32 Extension body 33 Box-shaped body 34 Upper plate 35 Lower plate 36 Side plate 37 Side plate 38 Bottom plate 39 Base 40 Through hole A One direction

Claims (1)

A lamp housing which is attached to the vehicle body and transmits light emitted from the internal space toward the front side which is a certain direction, and an LED lamp which is provided in the internal space and emits light toward the front side And an inner lens that is disposed behind the LED lamp in the internal space and mounts the LED lamp, and an inner lens that is disposed in front of the LED lamp in the internal space and transmits light emitted by the LED lamp. And a vehicle lamp device provided with the other lamp provided in the internal space and irradiating light toward the front side,
An extension body that integrally extends from the inner lens to the rear of the other lamp is provided, and the extension body is surface-treated so as to reflect the light emitted by the other lamp toward the front side. ,
A vehicular lamp device, wherein at least a part of the extending body is disposed in front of the wiring board.

Images