JP4223351B2 - Automotive corner pole light device - Google Patents

Description

  The present invention relates to an automobile corner pole light device that is attached to a front or rear corner of an automobile.

  Conventionally, this type of automobile corner pole light device is known (for example, Patent Document 1). The automobile corner pole light device includes a surface light emitter including a light guide plate lens (3) and a reflective surface (4), a pole body (8, 10), and one end of the surface light emitter connected to the pole body (8, 10) first attachment means (6) attached to one end, second attachment means for attaching the other end of the pole body (8, 10) to the front or rear corner of the automobile, and the first LED (2) as a light source incorporated in the attachment means (6).

Hereinafter, the operation of the automobile corner pole light device will be described. When the LED (2) is turned on, the light from the LED (2) is guided to the reflecting surface (4) by the light guide plate lens (3) of the surface light emitter and reflected by the reflecting surface (4). The light reflected by the reflecting surface (4) is irradiated to the outside through the light guide plate lens (3), and the surface light emitter emits light. By the light emission of the surface light emitter, the front or rear corner of the automobile is confirmed or visually recognized, and traffic safety is improved. In particular, the above-mentioned effect is noticeable due to light emission of the surface light emitter at night. Even if the LED (2) is turned on or off during the daytime, the above-described effect can be obtained.
JP-A-9-83019

  The problem to be solved by the present invention is that when the light emitter is a surface light emitter, the light emission range and the light emission direction are limited. Another problem to be solved by the present invention is to increase the luminous intensity of a pole-shaped light emitter.

According to the present invention, a pole-shaped light emitter is made of a light-transmitting transparent resin having a pole shape that guides light from the LED from one end side to the other end side and emits the light to the outside. A reflection part made of a light-reflective colored resin that is arranged from one end side to the other end side in the part and reflects light from the LED guided into the light guide part into the light guide part is integrally formed. It is characterized by that.

In the automobile corner pole light device according to the present invention, the side surface of the pole-shaped light emitter emits light over the entire surface. Therefore, the light emission range and light emission direction are approximately 360 ° with respect to the horizontal cross section. Compared with the automobile corner pole light device in which the light emission range and the light emission direction are limited because one side or both sides emit light, the confirmability and visibility are good. In addition, the automobile corner pole light device according to the present invention is not only the light from the LED is guided through the light guide unit and irradiated from the light guide unit to the outside, but is also reflected by the reflection unit to the outside from the light guide unit. Because it is irradiated, the luminous intensity of the pole-shaped illuminant is increased compared to the automobile corner pole light device in which the light from the LED is simply guided through the light guide and irradiated from the light guide to the outside. Can be confirmed and has good visibility and visibility. As a result, the corner pole light device for automobiles according to the present invention has good confirmability and visibility, and traffic safety is improved accordingly. Moreover, the light emission pattern of a light-emitting body can be adjusted by changing the arrangement of the reflecting portions.

  Embodiments of a corner pole light device for automobiles according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

  Hereinafter, the configuration of the automobile corner pole light device according to the first embodiment will be described with reference to FIGS. In the figure, reference numeral 1 denotes an automobile corner pole light device according to the first embodiment. The automobile corner pole light device 1 is attached to the front or rear corner of the automobile C as shown in FIGS. That is, the automobile corner pole light device 1 has a corner opposite to the driver's seat, for example, the left corner when the driver's seat is on the right, and the right corner when the driver's seat is on the left. It is attached.

  As shown in FIGS. 1 and 4 to 6, the automobile corner pole light device 1 includes a long pole-shaped light emitter 2 and one end of the long pole-shaped light emitter 2 of an automobile C. An attachment means 3 for attaching to a front or rear corner and an LED 4 as a light source built in the attachment means 3 are provided.

  The long pole-shaped light emitter 2 has a long pole shape that guides light L from the LED 4 (indicated by a solid arrow in the figure) from one end side to the other end side and emits the light to the outside. The light guide 5 is disposed in the light guide 5 from one end side to the other end, and reflects the light L from the LED 4 guided into the light guide 5 into the light guide 5. The reflection part 6 is integrally formed. The light guide 5 is made of a light-transmitting transparent acrylic resin in this example, while the reflecting portion 6 is made of a light-reflective white acrylic resin in this example.

  That is, the long pole-shaped light emitter 2 is a two-color integral molded product of the light guide part 5 and the reflection part 6 by extrusion molding. As shown in FIG. 5, the light guide 5 has, for example, a substantially horizontal cross section that is circular, and has a long cylindrical pole shape. On the other hand, as shown in FIG. 5, for example, the reflecting portion 6 has a substantially horizontal cross section of a small square or a small circle, and has a plurality of elongated line shapes. The plurality of reflecting portions 6 are arranged substantially concentrically in the one light guide portion 5 near the side surface of the light guide portion 5 (see the light emitter 2 on the left side of FIG. 5), or the light guide portion. 5 (see the light emitter 2 on the right side of FIG. 5). Further, as shown in the left-side light emitter 2 in FIG. 5, the amount of the light L reflected by the reflecting portion 6 can be adjusted by changing the size of the reflecting portion 6.

  A cap 7 is fixed to the other end of the elongated pole-shaped light emitter 2. On the surface of the cap 7 facing the light emitter 2, the light L from the LED 4 guided into the light guide portion 5 of the long pole-shaped light emitter 2 is put into the light guide portion 5. A reflecting surface 8 for reflecting from the end side to the one end side is provided. In this example, the cap 7 is made of metal (or resin), and the surface is chrome plated. In this example, the reflecting surface 8 has a convex conical shape, but may have a concave conical shape, a convex hemispherical shape, or a concave hemispherical shape.

  The other end of the long pole-shaped light emitter 2 is diffused to diffuse and emit the light L from the LED 4 guided into the light guide portion 5 of the long pole-shaped light emitter 2. Part 9 is provided. In this example, as shown in FIG. 4, the diffusing portion 9 is provided with a plurality of (three) substantially semicircular cut groove portions in the circumferential direction at the other end portion of the light guide portion 5. As the diffusing unit 9, for example, a plurality of triangular prism element groups are provided in the circumferential direction at the other end of the light guide unit 5 as indicated by a dotted line in the light emitter 2 on the right side of FIG. 5. It may be.

  As shown in FIG. 6, the attachment means 3 includes a bolt member 10, a nut member 11, a spacer 12, a bracket 13, a spring washer 14, and a nut 15. The bolt member 10 is made of metal, for example, and has a hollow cylindrical shape. Screw threads 16 and 17 are provided on the outer surfaces of both ends of the bolt member 10, respectively. The nut member 11 is made of, for example, metal (or resin), has a hollow cylindrical shape, and has a chrome plated surface. A screw hole 18 is provided on the inner surface of one end of the nut member 11. One end of the elongated pole-shaped light emitter 2 is fixed in the hole at the other end of the nut member 11. The spacer 12 is made of, for example, metal (or resin), has a hollow, short cylindrical shape, and has a chrome plated surface. The bracket 13 is made of, for example, metal, has a plate shape that is appropriately bent, and has a chrome plated surface. A circular through hole 19 is provided at one end of the bracket 13. The spring washer 14 and the nut 15 are made of steel.

The screw thread 16 at one end of the bolt member 10 and the screw hole 18 at one end of the nut member 11 are screwed together. Next, the spacer 12, the bracket 13, and the spring washer 14 are fitted into the bolt member 10 from the outside. Then, the nut 15 is screwed into the screw thread 17 at the other end of the bolt member 10. Thereby, the bracket 13 is sandwiched and fixed between the nut member 11 and the spacer 12 side and the spring washer 14 and the nut 15 side. By fixing the other end of the bracket 13 on a vehicle C, the light emitter 2 pole shape of the long is be attached to via the mounting means 3 in an automobile C.

  The LED 4 is a so-called bullet type LED, and includes a light emitting unit 20, a lens unit 21, a substrate 22, and a harness 23. The LED 4 is attached (or fixed) to the bolt member 10 via an insulating cylindrical member 24. Thereby, the LED 4 as a light source is built in the attachment means 3. As the color of the light L of the LED 4, any color other than red can be selected. The harness 23 of the LED 4 is connected to the battery of the car C through a switch through a waterproof / protection tube 25.

  Hereinafter, an operation of the automobile corner pole light device according to the first embodiment will be described. The switch is turned on to cause the light emitting unit 20 of the LED 4 to emit light. Then, the light L from the light emitting unit 20 of the LED 4 is guided from one end side to the other end side in the long pole-shaped light guide unit 5 and is irradiated from the light guide unit 5 to the outside. Further, the light L from the light emitting unit 20 of the LED 4 is guided through the light guide unit 5 and reflected by the reflection unit 6 into the light guide unit 5, or this reflection is repeated, and the light guide unit 5. From outside. Further, when the light L from the LED 4 reaches the other end of the long pole-shaped light guide 5, it is reflected by the reflecting surface 8 of the cap 7 and guided through the light guide 5 from the other end to the one end. It is burned. Further, the light L from the LED 4 is diffused and irradiated from the diffusion part 9 of the light guide part 5 to the outside.

Thereby, the long pole-shaped light emitter 2 emits light over the entire length and the entire side surface (circumferential side surface). The light emission of the light emitting element 2 of this long pole shape, the front or and rear corners of the vehicle is confirmed or visually, traffic safety is improved. In particular, the above-described effect is remarkably exhibited by light emission of the long pole-shaped light emitter 2 at night. Even if the LED 4 is turned on or off during the day, the above-described effect can be obtained.

  Hereinafter, effects of the automobile corner pole light device according to the first embodiment will be described. The automobile corner pole light device 1 according to the first embodiment emits light over the entire side surface of the long pole-shaped light emitter 2, and as shown in FIG. Compared with a corner-pole light device for automobiles in which the light emission range and light emission direction are limited because one or both surfaces of the surface light emitter emit light over a wide range of 360 °, the visibility and visibility are good. . Further, in the automobile corner pole light device 1 according to the first embodiment, the light L from the LED 4 is not only guided through the light guide unit 5 and irradiated from the light guide unit 5 to the outside, but also reflected by the reflection unit 6. The light is emitted from the light guide unit 5 to the outside, so that the light from the LED is simply guided through the light guide unit and emitted from the light guide unit to the outside. The luminous intensity of the pole-shaped light emitter 2 can be increased, and the confirmation and visibility are good. As a result, the vehicle corner pole light device 1 according to the first embodiment has good confirmation and visibility, and traffic safety is improved accordingly. Further, the automobile corner pole light device 1 according to the first embodiment has a long pole-shaped light-emitting body 2 that is a two-color integral molded product of the light guide portion 5 and the reflection portion 6 formed by extrusion molding. Is cheap.

  In particular, in the automobile corner pole light device 1 according to the first embodiment, since the reflecting surface 8 is provided at the other end of the long pole-shaped light guide 5, the light L from the LED 4 has a long pole shape. When reaching the reflection surface 8 at the other end of the light guide unit 5, the light is reflected by the reflection surface 8 and guided again from the other end side to the one end side through the light guide unit 5. Thereby, the light L that has reached the other end of the long pole-shaped light guide 5 can be used again and irradiated from the light guide 5 to the outside, so that the light L from the LED 4 can be used efficiently. can do. Moreover, in the long pole-shaped light guide 5, the light intensity on the other end side of the light guide 5 away from the LED 4 as the light source is the light intensity on the one end side of the light guide 5 close to the LED 4 as the light source. The corner pole light device 1 for an automobile according to the first embodiment has a lower end portion of the light guide portion 5 due to the reflection action of the reflection surface 8 of the other end portion of the light guide portion 5. You can increase the brightness of the side. For this reason, the automobile corner pole light device 1 according to the first embodiment is suitable for the long pole-shaped light emitter 2 because even the long light emitter 2 emits light almost uniformly over the entire length. .

  Further, in the automobile corner pole light device 1 according to the first embodiment, the diffusing unit 9 is provided at the other end of the long pole-shaped light guide 5, so that the light L from the LED 4 is transmitted to the light guide 5. Diffusion irradiation can be performed to the outside from the diffusion part 9 on the other end side. For this reason, in the corner pole light device 1 for an automobile in the first embodiment, in the long pole-shaped light guide 5, the light intensity on the other end side of the light guide 5 away from the LED 4 as the light source is a light source. The other end of the light guide unit 5 tends to be lower than the light intensity on the one end side of the light guide unit 5 close to the LED 4 as a result of the diffusion action of the diffusion unit 9 on the other end of the light guide unit 5. The luminous intensity on the part side can be increased. Thus, the automobile corner pole light device 1 according to the first embodiment is suitable for the long pole-shaped light emitter 2.

  Further, the automobile corner pole light device 1 according to the first embodiment uses a long pole-shaped light emitter 2 as a light emitter, and further extends the long pole-shaped light emitter 2 over the entire length. Since light is emitted over the entire side surface (circumferential side surface), conspicuousness, confirmation and visibility are improved, and traffic safety is improved accordingly.

  If the mounting means 3 and the LED 4 are existing, the long pole-shaped light emitter of the automobile corner pole light device 1 according to the first embodiment is different from the existing automobile corner pole light device. 2 can be easily replaced.

  Hereinafter, the configuration of the automobile corner pole light device according to the second embodiment will be described with reference to FIGS. In the figure, the same reference numerals as those in FIGS. 1 to 6 denote the same components.

  In the figure, reference numeral 26 denotes an automobile corner pole light device according to the second embodiment. As shown in FIGS. 7 to 9, the automobile corner pole light device 26 includes a short pole-shaped light emitter 27, a long pole body 28, and one end of the short pole-shaped light emitter 27. A first attachment means 29 attached to one end of the long pole body 28; a second attachment means 30 for attaching the other end of the long pole body 28 to the front or rear corner of the automobile C; The LED 4 as a light source built in the first mounting means 29 is provided.

  The short pole-shaped light emitter 27 guides the light L from the LED 4 from one end side to the other end side in the same manner as the configuration of the long pole-shaped light emitter 2 (different in length). A short pole-shaped light guide 5 that emits light to the outside, and light L from the LED 4 that is disposed in the light guide 5 from one end side to the other end side and guided into the light guide 5 Is integrally formed with the reflection portion 6 that reflects the light into the light guide portion 5. A cap 7 having a reflecting surface 8 is fixed to the other end of the short pole-shaped light emitter 27. Furthermore, the other end portion of the short pole-shaped light emitter 27 is provided with a diffusing portion 9 for diffusing and emitting the light L from the LED 4 guided into the short pole-shaped light guide portion 5 to the outside. It has been.

  The elongate pole body 28 is made of, for example, steel, and screw threads 31 and 32 are provided on the outer surfaces of both ends. The first attachment means 29 is made of, for example, a metal (or resin), has a hollow, short cylindrical shape, and has a holder whose surface is chrome-plated. One end of the short pole-shaped light emitter 27 is fixed in a hole at one end of the first attachment means 29. A screw hole 33 is provided on the inner surface of the other end of the first mounting means 29. A screw hole 33 at the other end of the first attachment means 29 and a screw thread 31 at one end of the elongated pole body 28 are screwed together. As a result, one end of the short pole-shaped light emitter 27 is attached to one end of the long pole body 28 via the first attachment means 29.

  The LED 4 is attached (or fixed) to one end of the elongated pole body 28. As a result, the LED 4 as a light source is built in the first mounting means 29. The harness 4 of the LED 4 is passed through the long pole body 28. The second attachment means 30 includes a nut member 11 fixed to the other end portion of the long pole body 28 and a spacer fitted from the outside to a screw thread 32 at the other end portion of the long pole body 28. 12, a bracket 13, a spring washer 14, and a nut 15 screwed into a screw thread 32 at the other end of the long pole body 28.

The automobile corner pole light device 26 according to the second embodiment is configured as described above. The automobile corner pole light device 1 according to the first embodiment, the short pole-shaped light emitter 27, and the long pole shape. Although there is a difference from the luminous body 2, substantially the same effect can be achieved. In particular, the automobile corner pole light device 26 according to the second embodiment is different from the short pole-shaped light emitter and the first mounting means of the existing automobile corner pole light device in the second embodiment. by replacing the short pole shape of the light emitting element 2 7 and the first attachment means 29 of the light device 1, most of the components of the existing automobile corner pole light device, i.e., LED 4, the elongated pole member 28, the 2 The attachment means 30 can be used as it is, and the cost can be reduced.

  Hereinafter, examples other than the first and second embodiments will be described. In the automobile corner pole light device according to the first and second embodiments, as shown in FIG. 5, an example in which a plurality of reflecting portions 6 are arranged substantially concentrically in one light guide portion 5 has been described. However, in the present invention, a plurality of reflecting portions 6 may be arranged randomly, or one reflecting portion 6 may be arranged.

Further, in the automobile corner pole light device according to the first and second embodiments, as shown in FIGS. 4, 6, 8, and 9, the reflecting portion 6 is moved from one end side to the other end side in the light guide portion 5. However, in the present invention, the reflecting portion 6 may be arranged in a spiral or intermittently. That is, the light emission pattern of the light emitters 2 and 27 can be adjusted by changing the arrangement of the reflecting portion 6.

  Furthermore, in the automobile corner pole light device according to the first and second embodiments, the vehicle remote control system that automatically locks and unlocks the door of the vehicle in a wireless manner, more specifically, the vehicle. The LED 4 may be turned on / off (on / off) by operating an electronic key to which a unique code is assigned, that is, an entry key (with a portable transceiver).

  Furthermore, in the automobile corner pole light device according to Examples 1 and 2, the reflecting surface 8 is provided at one end of the long pole-shaped light emitter 2 and the short pole-shaped light emitter 27. The surface 8 is not necessarily provided. Moreover, although the diffusion part 9 was provided in the one end part of the elongate pole-shaped light-emitting body 2 and the short pole-shaped light-emitting body 27, this diffusion part 9 does not necessarily need to be provided.

Shows an embodiment 1 of an automotive corner pole light device according to the present invention, it is a front view partly omitted of an intermediate portion of the light emitter long pole shape. Similarly, it is a perspective view which shows the use condition attached to the corner of the front part of a motor vehicle. Similarly, it is a perspective view which shows the use condition attached to the corner of the rear part of a motor vehicle. It is the IV-IV sectional view taken on the line in FIG. FIG. 5 is a cross-sectional view taken along the line V-V in FIG. 1, and is a cross-sectional view illustrating two long pole-shaped light emitters having different arrangements of a plurality of reflecting portions. It is the VI-VI sectional view taken on the line in FIG. Example 2 of the corner pole light device for automobiles according to the present invention is shown, and is a front view in which a part of an intermediate portion of a long pole-shaped light emitter is omitted. It is the VIII-VIII sectional view taken on the line in FIG. It is the IX-IX sectional view taken on the line in FIG.

Explanation of symbols

1,26 Corner pole light device for automobile 2 Long pole-shaped light emitter 3 Mounting means 4 LED
DESCRIPTION OF SYMBOLS 5 Light guide part 6 Reflection part 7 Cap 8 Reflection surface 9 Diffusion part 10 Bolt member 11 Nut member 12 Spacer 13 Bracket 14 Spring washer 15 Nut 16, 17 Screw thread 18 Screw hole 19 Through-hole 20 Light emission part 21 Lens part 22 Substrate 23 harness 24 cylindrical member 25 of the light emitter 28 elongated tube 27 short of the pole-shaped pole body 29 first attachment means (holder)
30 Second mounting means 31, 32 Thread 33 Screw hole C Automobile L Light

Claims (4)

In a car corner pole light device attached to the front or rear corner of a car,
A long pole-shaped light emitter,
Mounting means for mounting one end of the elongated pole-shaped light emitter to the front or rear corner of the automobile;
An LED as a light source built in the attachment means;
With
The long pole-shaped light emitter includes a light guide section made of a long pole-shaped light-transmitting transparent resin that guides light from the LED from one end side to the other end side and emits the light to the outside. Reflection made of a light-reflective colored resin that is disposed in the light guide part from one end side to the other end side and reflects light from the LED guided into the light guide part into the light guide part. The part is molded integrally,
A corner pole light device for automobiles. In a car corner pole light device attached to the front or rear corner of a car,
A short pole-shaped light emitter,
A long pole body,
First attachment means for attaching one end of the short pole-shaped light emitter to one end of the long pole body;
Second attachment means for attaching the other end of the elongated pole body to the front or rear corner of the automobile;
An LED as a light source incorporated in the first attachment means;
With
The short pole-shaped light emitter includes a light guide unit made of a short pole-shaped light-transmitting transparent resin that guides light from the LED from one end side to the other end side and emits the light to the outside. A reflecting portion made of a light-reflecting colored resin that is disposed in the light guide portion from one end side to the other end side and reflects light from the LED guided into the light guide portion into the light guide portion; Is molded in one piece,
A corner pole light device for automobiles.   A cap is fixed to the other end of the long pole-shaped light emitter or the other end of the short pole-shaped light emitter, and the cap is guided to the long pole-shaped light emitter. A reflecting surface for reflecting light from the LED guided into the light portion or the light guide portion of the short pole-shaped light emitter from the other end side to the one end side is provided in the light guide portion; The corner pole light apparatus for motor vehicles of Claim 1 or 2 characterized by these. On the other end of the light guide of the long pole-shaped light emitter or the other end of the light guide of the short pole-shaped light emitter, the light guide of the long pole-shaped light emitter 3. The diffusion unit according to claim 1, further comprising a diffusion unit that diffuses and emits the light from the LED guided into the light guide unit of the short pole-shaped light emitter. Corner pole light device for automobiles.

Images