JP2012035778A - Lighting fixture for vehicle - Google Patents

Abstract

An object of the present invention is to provide a vehicular lamp having a high space efficiency without occupying a large area in the vehicle width direction at a vehicle front portion.
A headlamp LED, a position lamp LED, a headlamp lens body that irradiates light from the headlamp LED to the front of the vehicle, and a headlamp lens body. Opening and closing the passage of the irradiation light emitted to the front of the vehicle, the light emitting body 25 for emitting the light from the position lamp LED 40 to the front of the vehicle, and the opening and closing operation of the irradiation light passage by driving the light emitting body 25 The control unit 50 controls the actuator 42 so that the light emitting body 25 closes at least a part of the passage of the irradiation light when the headlamp is turned off. And when the headlamp is turned on, the light emitting body 25 is actuated to release the opening of the irradiation light passage. To control the eta 42.
[Selection] Figure 5

Description

  The present invention relates to a vehicular lamp, and more particularly to a vehicular lamp that has both functions of a headlamp and a front position lamp.

  Normally, a headlamp and a front position lamp (vehicle width lamp) are provided at the vehicle front portion. In recent years, a so-called front combination lamp in which a head lamp and a front position lamp are integrated is common.

  As such a front combination lamp, a position lamp lamp chamber accommodating a front position lamp is disposed outside the head lamp lamp chamber accommodating the head lamp in the vehicle width direction, and the head lamp lamp chamber and the position lamp lamp chamber are A vehicular lamp provided with a light shielding wall in between has been proposed (see, for example, Patent Document 1).

  As described above, if a light shielding wall is provided between the headlamp lamp chamber and the position lamp lamp chamber, it is possible to prevent light from the front position lamp from leaking to the headlamp lamp chamber side.

Japanese Utility Model Publication No. 4-119734

  However, in the above conventional technology, since the front position lamp is arranged outside the headlamp in the vehicle width direction, the area occupied by the front combination lamp with respect to the vehicle is increased in the front view of the vehicle, and the space efficiency is increased. There is a problem of being bad.

  An object of the present invention is to provide a vehicular lamp that has a good space efficiency by reducing an area occupied by a front combination lamp in a vehicle front portion.

  In order to solve the above problems, a vehicle lamp according to the present invention includes a headlamp light source, a front position lamp light source, and a headlamp lens body that takes light from the headlamp light source and irradiates the front of the vehicle. And opens and closes the passage of irradiation light emitted from the headlamp lens body to the front of the emission vehicle, and takes in the light from the front position lamp light source to the front of the vehicle. A translucent light emitting body that emits light, a driving unit that drives the light emitting body to open and close the passage of the irradiation light, and a control unit that controls the driving unit.

  In the vehicular lamp according to the present invention, when the headlamp is extinguished, the control unit controls the driving unit so that the light emitting body closes at least a part of the passage of the irradiation light, and when the headlamp is lit. The drive unit is controlled to release the light emitting body from opening the passage of the irradiation light.

  According to the present invention, the light from the light source for the front position lamp is guided to the front of the vehicle via the light emitting body provided around the headlamp lens body, and the light source for the front position lamp is used for the headlamp. It can be placed close to the light source. This makes it possible to reduce the size of the vehicle lamp including the light source for the headlamp and the light source for the front position lamp, reducing the area occupied by the front combination lamp in the front part of the vehicle, and realizing a space-efficient vehicle lamp. can do.

BRIEF DESCRIPTION OF THE DRAWINGS The vehicle lamp of this invention is shown the vehicle mounted in front left and right, (a) is the front view, (b) is a side view, (c) is a top view. 1 is an enlarged view of a portion on which a vehicular lamp according to the present invention is mounted, wherein (a) is an enlarged view of portion A in FIG. 1 (a), and (b) is an enlarged view of portion B in FIG. 1 (b). , (C) is an enlarged view of a portion C in FIG. 1 (c). The external appearance of the vehicle lamp of this invention at the time of a headlamp light extinction is shown, (a) is a front view, (b) is a side view, (c) is a top view. The external appearance of the vehicle lamp of this invention at the time of headlamp lighting is shown, (a) is a front view, (b) is a side view, (c) is a top view. It is the figure which showed in detail the internal structure of the vehicle lamp which concerns on this invention including the light emission body and headlamp lens body which were accommodated in the housing. It is sectional drawing of the vehicle lamp at the time of a headlamp lighting. It is sectional drawing of the vehicle lamp at the time of a headlamp light extinction.

  Embodiments of the present invention will be described below with reference to the drawings.

  FIG. 1 shows a vehicle in which the vehicular lamp according to the present invention is mounted on the front left and right, (a) is a front view, (b) is a side view, and (c) is a top view. 2 is an enlarged view of a portion where the vehicular lamp is mounted. FIG. 2 (a) is an enlarged view of portion A in FIG. 1 (a), and FIG. 2 (b) is portion B in FIG. 1 (b). (C) is an enlarged view of a portion C in FIG. 1 (c).

  As shown in FIGS. 1 and 2, the vehicular lamp 11 according to the present invention is installed on the front left and right of the vehicle body 12, that is, on the front left and right of the hood 13, and above the left and right front fenders 14, and is entirely vehicle-mounted. It is formed in an elongated shape along the front-rear direction. The vehicle body 12 includes a roof 16 provided on the upper surface of the vehicle compartment 15, and a front side door 17 and a rear side door 18 provided on both side surfaces of the vehicle compartment 15 in the vehicle width direction. Further, rear fenders 19 are provided at the rear left and right of the vehicle body 12, that is, at the rear portions on both sides in the vehicle width direction of the passenger compartment 15. In FIG. 1, reference numeral 20 denotes a door mirror provided at the front portion of the front side door 17, and reference numerals 21 and 22 denote front tires and rear tires provided at the front, rear, left and right lower portions of the vehicle body 12, respectively.

  3 and 4 show the appearance of the vehicular lamp 11 mounted on the left side (the left side in the vehicle width direction) of the vehicle body 12, (a) is a front view, (b) is a side view, and (c) is an upper surface. FIG. Although not shown in the drawing, the vehicular lamp 11 mounted on the right side of the vehicle body 12 (right side in the vehicle width direction) is symmetrical to that mounted on the left side with respect to the center line of the vehicle body 12 in the vehicle longitudinal direction. It has a shape.

  As shown in FIG. 3, the vehicular lamp 11 according to the present invention is provided with a bottomed cylindrical housing 23 having an elongated shape along the vehicle front-rear direction. When viewed from the front of the vehicle, the housing 23 is formed in a rectangular shape with rounded corners as shown in FIG. 3A, and when viewed from the side of the vehicle, the housing 23 is illustrated in FIG. Thus, the opening end 23A side is inclined so as to face obliquely upward in front of the vehicle. A headlamp lens body 24 is provided in the center of the front end of the housing 23, and a light emitting body 25 including four light emitting pieces 25 </ b> A is disposed around the headlamp lens body 24. . The details of the headlamp lens body 24 and the light emitting body 25 will be described later.

  Further, as shown in FIG. 3B, the housing 23 is formed into a shape in which the lower surface 23B is gently curved downward and the upper surface 23C is gently curved in a convex manner. At the rear end portion of the housing 23, an inclined surface 23D substantially parallel to the opening end 23A at the front end is formed.

  Further, as shown in FIG. 3 (c), the housing 23 has a side surface 23E on the right side (in the vehicle width direction) that is curved convexly outward in the vehicle width direction, and is formed on the left side (outside in the vehicle width direction). The side surfaces 23F are each formed in a gently curved shape that is convex outward in the vehicle width direction. The side surface 23E and the side surface 23F are close to each other on the rear side of the housing 23, and a protruding end portion 23G is formed at this portion.

  In the housing 23, support members 26 (see FIG. 2A) are attached to the left and right side surfaces 23E and 23F and the lower surface 23B, and the support members 26 are attached to the upper portion of the front fender 14 of the vehicle body 12. Thereby, the vehicular lamp 11 is firmly fixed to the vehicle body 12.

  Here, FIG. 3 shows a state when the headlamp is turned off. As shown in FIG. 3A, the headlamp lens body 24 is provided at a substantially central portion of the housing 23, and the four light emitting pieces 25A are arranged around the headlamp lens body 24 and on a substantially diagonal line of the housing 23. Has been. When the headlamp is extinguished, as shown in FIG. 3A, the four light emitting pieces 25A cover the four locations in front of the headlamp lens body 24. Covered locations are two locations, upper and lower, on the left side (vehicle width direction inner side) of the headlamp lens body 24 and two upper and lower locations on the right side (vehicle width direction outer side) as viewed from the front of the vehicle. As a result, the portion that is not covered by the four light emitting pieces 25 </ b> A has a substantially cross shape on the headlamp lens body 24.

  When the headlamp is turned off, as shown in FIGS. 3B and 3C, the four light emitting pieces 25 </ b> A each have a distal end side 25 </ b> B that approaches the central axis (optical axis) L of the headlamp lens body 24. And the front of the headlamp lens body 24 is covered. That is, the irradiation light path is closed.

  FIG. 4 shows a state when the headlamp is turned on. When the headlamp is lit, as shown in FIG. 4A, the four light emitting pieces 25A are retracted from the front surface of the headlamp lens body 24 along a substantially diagonal line of the housing 23, and the entire front surface of the headlamp lens body 24 is moved. Exposed to the front of the vehicle. When the light emitting piece 25A is retracted from the front surface of the headlamp lens body 24, as shown in FIGS. 4 (b) and 4 (c), the four light emitting pieces 25A have a front end side 25B at the headlamp lens. The headlamp lens body 24 is released from being covered by being driven away from the central axis (optical axis) L of the body 24. That is, the passage of the irradiation light through the headlamp lens body 24 is opened.

  5 and 6 show in detail the internal configuration of the vehicular lamp 11 according to the present invention, including the light emitting body 25 and the headlamp lens body 24 housed in the housing 23.

  As shown in FIGS. 5 and 6, the headlamp lens body 24 is formed with a cylindrical portion 31 on the front side, and has a bottomed hole 32 elongated along the optical axis L at the center of the front end surface of the cylindrical portion 31. Is formed. Further, the front end surface of the cylindrical portion 31 has a curved surface portion 31A that is convex toward the vehicle front side on the periphery side (ring shape as viewed from the vehicle front side), and on the inner peripheral side of the curved surface portion 31A. Similarly, a curved surface portion 31B having a ring shape (ring shape as viewed from the front of the vehicle) that is convex toward the front side of the vehicle is formed. The center of the curved surface portion 31 </ b> B is connected to the bottomed hole 32. When the headlamp lens body 24 is cut along a plane including the central axis (optical axis) L, the curvature of the curved surface portion 31B at the cut surface is set larger than the curvature of the curved surface portion 31A. Further, the bottom surface of the bottomed hole 32 is also formed as a curved surface that protrudes toward the vehicle rear side.

  On the rear side of the headlamp lens body 24, a tapered portion 33 having a diameter gradually smaller than the cylindrical portion 31 is formed, and a spherical recess 34 is formed on the rear end surface of the tapered portion 33. ing. The taper-shaped portion 33 is provided with a reflector cover 35 so as to cover the periphery and the recess 34. A headlamp LED 36 serving as a headlamp light source is disposed at the center of the rear side of the reflector cover 35. The headlamp LED 36 is located on the optical axis L of the headlamp lens body 24.

  The head lamp LED 36 is disposed such that the tip thereof is positioned in the recess 34 of the head lamp lens body 24. The inner surface of the reflector cover 35 is mirror-finished, and light from the headlamp LED 36 enters the headlamp lens body 24 through the recess 34, and most of the light is irradiated to the front of the vehicle through the headlamp lens body 24. However, a part of the light is reflected by the inner surface of the reflector cover 35 and then irradiated to the front of the vehicle via the headlamp lens body 24.

  Further, a cylindrical lens body holder 37 is disposed around the cylindrical portion 31 on the front side of the headlamp lens body 24, and the cylindrical portion 31 is covered with the lens body holder 37. The lens body holder 37 extends along the optical axis L of the headlamp lens body 24 to the vicinity of the rear end surface (that is, the recess 34) of the headlamp lens body 24. The outer peripheral surface of the reflector cover 35 is also a lens body. Covered with a holder 37.

  A light emitting body 25 is disposed on the outer periphery on the front end side of the lens body holder 37. As described above, the light emitting body 25 is composed of four light emitting pieces 25A, and these four light emitting pieces 25A are equally spaced along the outer periphery of the front end side of the lens body holder 37 (the light of the headlamp lens body 24). Are arranged around the axis L at intervals of 90 degrees).

  The light emission piece 25A has a shape in which a longitudinal section is bent in a substantially square shape, and is configured to be rotatable around the bent portion. That is, a pin 38 is provided at the bent portion 25C of the light emitting piece 25A, and the pin 38 is fixed to the inner wall surface of the housing 23 (see FIG. 3). As a result, the light emitting piece 25A is rotatable around the pin 38 in the direction of arrow A and the direction of arrow B (see FIG. 7). Although not shown in the drawing, a biasing member (for example, a spring) is connected to the light emitting piece 25A, and the light emitting piece 25A is in the direction of arrow A (the direction of closing the light passage) by the biasing member. Is being energized.

  As shown in FIG. 5, the light emission piece 25 </ b> A is a front portion (a portion on the front side of the pin 38) in a plan view (that is, when viewed from the outside along the radial direction of the lens body holder 37). Is formed in a substantially spade shape, and the side close to the pin 38 has a shape extending along the circumferential direction of the lens body holder 37. The portion formed in the substantially spade shape is formed with a rising portion 25D whose central portion gradually rises from the front end to the rear end along the optical axis L. That is, as shown in FIG. 6, the light emitting piece 25A has a substantially triangular shape in which the front portion (the portion on the front side of the pin 38) is elongated as shown in FIG.

  Further, the light emitting piece 25A is provided in a slightly bent shape so that the rear side portion (the rear portion from the pin 38) approaches the optical axis L with respect to the front side portion. ing. The rear side portion extends from the rising portion 25D of the front side portion, and the width of the lens body holder 37 along the circumferential direction is narrower than the front side portion. Further, the rear end surface 25E of the rear portion is inclined as a whole such that the side close to the pin 38 is separated from the optical axis L and the side far from the pin 38 is close to the optical axis L.

  A stopper 39 for restricting the rotation angle of the light emitting piece 25A is provided inside the rear side portion of the light emitting piece 25A and on the outer peripheral wall of the lens body holder 37. The stopper 39 restricts the rotation angle of the light emitting piece 25A when the light emitting piece 25A is rotated in the direction of arrow B around the pin 38 (that is, when the headlamp is turned on).

  Further, as shown in FIG. 5, in one light emitting piece 25 </ b> A, a front position lamp LED 40 as a light source for a front position lamp is provided in the vicinity of the rear of the pin 38. It is provided at two places on the left and right sides. The light emission piece 25A is formed of a translucent member, and can guide light from the front position lamp LED 40 to the front of the vehicle.

  Further, as shown in FIG. 6, a pusher 41 that can reciprocate along the optical axis L is provided as a pressing member on the rear side of the lens body holder 37. The pusher 41 includes a plate-like pusher main body 41A provided in contact with the rear outer peripheral surface of the lens body holder 37, a substantially cylindrical movable portion 41C having an internal thread 41B therein, a pusher main body 41A, and a movable portion 41C. And a rod-shaped member 41D for connecting the two. Four pusher bodies 41 </ b> A and four rod-like members 41 </ b> D are provided, respectively, and are arranged at equal intervals (90-degree intervals) along the circumferential direction of the lens body holder 37.

  An inclined surface 41E is formed at the front end of the pusher main body 41A so that the front side is separated from the optical axis L and the rear side is close to the optical axis L. The rear end surface 25E of the light emitting piece 25A is in contact with the inclined surface 41E of the pusher main body 41A.

  The female screw 41B of the movable portion 41C is screwed into a male screw 44 formed on the rotation output shaft 43 of the actuator 42. A motor (not shown) is built in the actuator 42, and the rotation output shaft 43 is driven to rotate in one direction or in the opposite direction by the motor. The motor in the actuator 42 is controlled by the control unit 50.

  In FIG. 6, reference numeral 45 denotes an inner cover that covers the outside of the rear side portion (the portion on the rear side of the pin 38) of the light emitting piece 25A and the outside of the pusher body 41A.

  Next, the effect | action of the vehicle lamp 11 in a present Example is demonstrated using FIG.6 and FIG.7. Here, FIG. 6 shows a state when the headlamp is turned on, and FIG. 7 shows a state when the headlamp is turned off.

  First, as shown in FIG. 7, when the headlamp is turned off and only the front position lamp LED 40 is lit when the vehicle is stopped at night, the light from the front position lamp LED 40 is directed to the light emitting piece 25A. It is taken in and irradiated forward of the vehicle through the light emitting piece 25A. When the headlamp LED 36 is turned on, the actuator 42 is driven by the control signal from the control unit 50 to rotate the rotation output shaft 43 in one direction, and further rotate the male screw 44 in one direction.

  The female screw 41B of the movable portion 41C is screwed to the male screw 44, and the movable portion 41C moves in the direction of arrow C by the rotation of the male screw 44 in one direction. When the movable portion 41C moves in the direction of arrow C, the entire pusher 41 moves in the same direction, and the pusher main body 41A contacts the outer peripheral wall of the lens body holder 37 along the optical axis L (right side in FIG. 7). Direction), that is, in a direction approaching the light emitting piece 25A.

  An inclined surface 41E is formed at the front end of the pusher main body 41A. When the pusher main body 41A moves to the front side along the optical axis L, the rear end surface 25E of the light emitting piece 25A is pressed by the pusher main body 41A. Since the rear end surface 25E of the light emitting piece 25A is in contact with the inclined surface 41E of the pusher main body 41A, a moment acts on the light emitting piece 25A when pressed by the pusher main body 41A, and the light emitting piece 25A is not shown. It rotates in the direction of arrow B around the pin 38 against the biasing force of the biasing member.

  When the actuator 42 is further rotated and the pusher body 41A further presses the rear end face 25E of the light emitting piece 25A, the light emitting piece 25A continues to rotate in the direction of the arrow B, but the rear portion of the light emitting piece 25A As shown in FIG. 6, when the (a portion on the rear side of the pin 38) hits the stopper 39, the rotation of the light emitting piece 25 </ b> A is restricted and the rotational drive of the actuator 42 is also stopped.

  As shown in FIG. 6, when the light emitting piece 25A is retracted from the front of the headlamp lens body 24, the light passage from the headlamp LED 36 is opened, and the light is emitted from the light emitting piece 25A (that is, the light emitting piece 25A). Irradiated forward of the vehicle without being blocked by the body 25). At this time, the front position lamp LED 40 is also lit, and the light from the front position lamp LED 40 is irradiated forward of the vehicle through the light emitting piece 25A.

  Next, when the headlamp is turned off, that is, when the headlamp LED 36 is turned off in FIG. 6, the actuator 42 is driven by the control signal from the controller 50 to rotate the rotation output shaft 43 in the reverse direction, and the male screw 44 is turned on. Rotate in the opposite direction. As a result, the movable portion 41C moves in the direction of arrow D (the direction opposite to the direction of arrow C), the entire pusher 41 moves in the same direction, and the pusher body 41A contacts the outer peripheral wall of the lens body holder 37 while the optical axis L Along the rear side (leftward in FIG. 6), that is, in a direction away from the light emitting piece 25A.

  The light emitting piece 25A is urged in the direction of arrow A by a spring (not shown), and when the pusher body 41A moves to the rear side along the optical axis L, the light emitting piece 25A has an arrow about the pin 38. Rotating in the A direction, the front end side 25B of the light emitting piece 25A is positioned in front of the headlamp lens body 24, and the front of the headlamp lens body 24 is covered with the light emitting piece 25A. The light path is closed.

  As shown in FIG. 7, when the light emitting piece 25A covers the front of the headlamp lens body 24, the area of the light emitting piece 25A in the front of the vehicle is enlarged. At this time, the front position lamp LED 40 is lit, and the light from the front position lamp LED 40 is widely irradiated forward of the vehicle through the light emitting piece 25A.

  According to the present embodiment, the light from the front position lamp LED 40 is guided to the front of the vehicle through the light emitting piece 25A provided around the headlamp lens body 24, and the front position lamp LED 40 is It can be arranged close to the head lamp LED 36. As a result, the vehicular lamp 11 including the head lamp LED 36 and the front position lamp LED 40 can be made compact, and the vehicular lamp 11 with good space efficiency can be obtained without occupying an area in the vehicle width direction at the front portion of the vehicle. Can be realized.

  Further, in the vehicle design, there is a case where it is desired to make the vehicle lamp as small as possible. In such a case, it is very advantageous to adopt the vehicle lamp of this embodiment.

  Further, in this embodiment, each light emitting piece 25A simultaneously rotates around the pin 38 to open and close the front of the headlamp lens body 24, so that the headlamp can be turned on and off quickly. Is possible.

  Further, in this embodiment, the light emitting piece 25A is urged by the urging member in the direction of closing the light passage, so that when the headlamp is turned on, the pusher 41 only presses the rear end face 25E of the light emitting piece 25A. The light emission piece 25A can rotate around the pin 38 to open a light passage. On the contrary, when the headlamp is extinguished, the light emission piece 25A can be rotated in the reverse direction around the pin 38 by the urging member, and the light passage can be closed only by releasing the pressing.

  Furthermore, in this embodiment, the pusher 41 is moved by the actuator 42, so that the control by the control unit 50 is easy.

  As mentioned above, although the Example of this invention has been explained in full detail with drawing, the said Example is only the illustration of this invention, and this invention is not limited only to the structure of the said Example. Needless to say, changes in design and the like within the scope of the present invention are included in the present invention.

  For example, the pusher main body 41A and the rod-like member 41D of the pusher 41 are not limited to four, but may be three, five, or more.

  Moreover, as a drive part which moves the pusher 41 to the arrow C direction or the arrow D direction, not only screwing of a male screw and a female screw but a solenoid etc. may be used.

  Further, in the above embodiment, the light emitting body 25 covers a part of the front of the headlamp lens body 24. However, the light emitting body 25 is configured to cover the entire front of the headlamp lens body 24. May be.

DESCRIPTION OF SYMBOLS 11 Vehicle lamp 12 Car body 23 Housing 24 Head lamp lens body 25 Light emission body 25A Light emission piece 25B Front end side 25C Bending part 25E Rear end surface 35 Reflector cover 36 LED for head lamp (light source for head lamp)
37 Lens body holder 38 pin 40 LED for front position lamp (light source for front position lamp)
41 Pusher (Pressing member)
41A Pusher body 41B Female screw 41C Movable part 41D Rod-like member 41E Inclined surface 42 Actuator 50 Control part L Optical axis

Claims (3)

A light source for a headlamp;
A light source for the front position lamp;
A headlamp lens body that takes in light from the headlamp light source and irradiates the front of the vehicle;
Provided around the headlamp lens body, opens and closes the passage of the irradiation light emitted from the headlamp lens body to the front of the emission vehicle, and takes in the light from the front position lamp light source and emits it to the front of the vehicle. A translucent light emitter,
A drive unit for driving the light emitter to open and close the passage of the irradiation light;
A control unit for controlling the drive unit,
The control unit controls the driving unit so that the light emitting body closes at least a part of the passage of the irradiation light when the headlamp is turned off, and the light emission body passes the passage of the irradiation light when the headlamp is turned on. A vehicular lamp characterized by controlling the drive unit to release the opening.   The light emitting body is provided with a plurality of light emitting pieces bent in a substantially U-shaped cross section so as to surround the head lamp lens body, and the light emitting pieces have the bent portion. 2. The vehicular lamp according to claim 1, wherein the vehicular lamp is rotatable about a center, and each of the light emitting pieces simultaneously rotates about the bent portion when opening and closing the passage of the irradiation light. . The light emitting piece is provided with a biasing member that biases the light emitting piece in a direction to close the passage of the irradiation light,
When the headlamp is turned on, the driving unit presses a part of the light emitting piece and rotates the light emitting piece around the bent portion against the urging force of the urging member. While opening the light passage, when the headlamp is turned off, the pressing against the light emitting piece is released, and the light emitting piece is rotated in the reverse direction around the bent portion by the urging force of the urging member. The vehicular lamp according to claim 2, further comprising a pressing member that closes the passage of the irradiation light.

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