JP5685218B2 - Mounting arrangement structure for headlamps on vehicles - Google Patents

Description

  The present invention relates to a structure for mounting a headlamp on a vehicle.

  A vehicular lamp having a clearance lamp is known. Clearance lamps are generally provided at the left and right ends of the vehicle, and improve the safety during night driving by notifying the surrounding vehicle and pedestrians of the vehicle width of the vehicle. Such a clearance lamp is configured to emit light to the side as well as to the front of the vehicle in order to notify the presence of the own vehicle around the own vehicle.

JP 2007-30809 A Japanese Utility Model Publication No. 6-23103

  On the other hand, in recent years, the arrangement space for providing the clearance lamp has been reduced due to the demand for miniaturization of vehicle lamps or the design. However, since the irradiation range of the clearance lamp is determined by the opening provided in front of the arrangement space, when the clearance lamp is arranged in a small arrangement space, the light from the clearance lamp cannot be irradiated in a wide range in front of the lamp. .

  In Patent Document 1, the position lamp (clearance lamp) is positioned in front of the head lamp, the position lens portion covering the position lamp is bulged outwardly from the lamp lens portion covering the head lamp, and the clearance lamp is arranged. Propose to secure light. However, when such a configuration is adopted, it is necessary to arrange a clearance lamp so as to avoid interference with other optical systems such as a headlamp, and the shape of the outer lens covering the position lamp and the headlamp is It will be constrained. For this reason, the freedom degree of design of a vehicle lamp cannot be ensured. In addition, the size of the vehicular lamp increases in the front-rear direction, and cannot meet the demand for downsizing.

  Japanese Patent Application Laid-Open No. H10-228688 proposes providing a texture at the corner of the outer lens of the vehicular lamp to emit diffused light to the side. However, it is difficult to control the direction of the emitted light with a texture, and the light use efficiency is poor. difficult. For this reason, it is difficult to sufficiently satisfy the light distribution of the clearance lamp.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a mounting arrangement structure for a headlamp that is sufficiently compact and has a high degree of freedom in design.

A mounting arrangement structure for a vehicle of the headlamp of the present invention that can solve the above-mentioned problems is as follows.
The car body,
A pair of left and right headlamps attached to the vehicle body;
A central part arranged so as to be adjacent between the pair of left and right headlamps,
Each of the headlamps
A lamp body with an opening on the front,
An outer lens that closes the opening and forms a lamp chamber with the lamp body;
A headlamp unit that is disposed in the lamp chamber and includes a headlamp light source and a headlamp reflector that reflects light from the headlamp light source forward of a headlamp;
A clearance lamp unit disposed in the lamp chamber and having a clearance lamp light source and a clearance lamp reflector that reflects light from the clearance lamp light source forward of a headlamp;
The outer lens is
A design surface portion disposed in front of the clearance lamp unit;
A side surface portion extending from the side of the central surface side of the design surface portion toward the lamp body,
The design surface portion is
A through portion for allowing light from the clearance lamp unit to pass forward;
A plurality of first step portions extending in the left-right direction for diffusing light from the clearance lamp unit up and down,
A part of the side surface portion protrudes more forward than an end portion of the central part adjacent to the headlamp,
A plurality of second step portions extending in the front-rear direction for diffusing light from the clearance lamp unit vertically are provided on a part of the side surface portion protruding forward.

  In the structure for mounting the headlamp on a vehicle according to the present invention, the first step portion and the second step portion may be formed to be continuous.

  In the structure for mounting a headlamp on a vehicle according to the present invention, the central part is a radiator grille, and the radiator grille has rectifying fins extending in the left-right direction, and the rectifying fins and the second step portion include You may form so that it may continue.

  In the structure for mounting a headlamp on a vehicle according to the present invention, the first step portion may be divided into a plurality of portions in the left-right direction, and the light from the clearance lamp unit may be diffused vertically and horizontally.

  In the structure for mounting a headlamp on a vehicle according to the present invention, the design surface portion may be provided with a plurality of third step portions extending in the vertical direction for diffusing light from the clearance lamp unit to the left and right. Good.

According to the mounting arrangement structure of the headlamp on the vehicle of the present invention, the front front of the headlamp is irradiated by the light that has passed through the clearance lamp passage, and the front of the headlamp is irradiated by the light that has passed through the first step section. The vertical direction is irradiated, and the vertical direction on the side of the headlamp is irradiated by the light passing through the second step portion.
Thereby, a wide area | region can be irradiated with the light of a clearance lamp light source up and down from the headlamp front to side. In addition, since the second step part is formed on a part of the side part protruding forward from the central part of the vehicle, the design of the headlamp is hardly affected, and the headlamp is a vehicle lamp. The lamp does not increase in size. Therefore, a headlamp that sufficiently secures the light distribution of the clearance lamp, is small, and has high design freedom is provided.

It is a top view in the front part of the vehicle to which the mounting arrangement structure to the vehicle of the headlamp which concerns on embodiment of this invention was applied. It is a longitudinal cross-sectional view which shows the internal structure of a headlamp. It is a front view of the vehicle in the headlamp part of the right side explaining the mounting arrangement structure to the vehicle of the headlamp. It is a perspective view of the vehicle in the right headlamp part explaining the mounting arrangement structure to the vehicle of the headlamp. It is a partial longitudinal cross-sectional view of the headlamp which shows the light path of a clearance lamp. It is a partial cross-sectional view of the headlamp showing the light path of the clearance lamp. It is a schematic diagram which shows the irradiation area | region of the clearance lamp of a headlamp.

Hereinafter, an example of an embodiment of a mounting arrangement structure of a headlamp according to the present invention on a vehicle will be described with reference to the drawings.
FIG. 1 is a plan view of a front portion of a vehicle to which a structure for mounting a headlamp on a vehicle according to an embodiment of the present invention is applied.

As shown in FIG. 1, the mounting arrangement structure according to the present embodiment is applied to a pair of left and right headlamps 10 provided at the front portion of a vehicle body 2 of a vehicle 1.
The headlamp 10 is provided symmetrically on both sides of the front portion of the vehicle body 2. A radiator grill (central part) 3 is provided between the pair of headlamps 10. The radiator grill 3 is disposed so as to be adjacent between the pair of left and right headlamps 10. The radiator grill 3 is disposed on the front side of a radiator (not shown) of the vehicle 1. The radiator grill 3 has a plurality of rectifying fins 3 a extending in the left-right direction of the vehicle body 2.

  The vehicle 1 to which the mounting arrangement structure according to the present embodiment is applied has a shape in which a radiator grill 3 located at the center in the vehicle width direction protrudes forward from an end portion in the vehicle width direction. For this reason, the pair of headlamps 10 has a shape that is inclined rearward from the center side of the vehicle toward the end along the contour of the vehicle 1.

  Next, the structure of the headlamp 10 will be described. Since the pair of headlamps 10 provided on the left and right sides of the vehicle body 2 have the same structure, the headlamp 10 provided on the right side of the vehicle body 2 will be described as an example.

  FIG. 2 is a longitudinal sectional view showing the internal structure of the headlamp. FIG. 3 is a front view of the vehicle in the right headlamp portion for explaining the structure for mounting the headlamp on the vehicle. FIG. 4 is a perspective view of the vehicle in the right headlamp portion for explaining the structure for mounting the headlamp on the vehicle.

  As shown in FIG. 2, the headlamp 10 includes a lamp body 11 and an outer lens 20. The lamp body 11 includes an opening 12 that opens forward. The outer lens 20 is a transparent resin molded product such as an acrylic resin. The outer lens 20 is attached so as to cover the opening 12 of the lamp body 11. Thus, by closing the opening 12 of the lamp body 11 with the outer lens 20, a sealed lamp chamber S is formed inside the headlamp 10.

  As shown in FIGS. 3 and 4, the headlamp 10 includes a headlamp unit 30, a clearance lamp unit 40, and a turn signal lamp unit 50. The head lamp unit 30, the clearance lamp unit 40, and the turn signal lamp unit 50 are disposed in the lamp chamber S at positions that do not overlap each other when the headlamp 10 is viewed from the front.

  The headlamp unit 30 is turned on when the front is illuminated when the vehicle 1 is traveling. The clearance lamp unit 40 is turned on as a vehicle width lamp for recognizing the presence of the vehicle 1. The turn signal lamp unit 50 blinks when notifying the course of the vehicle 1 or as a hazard lamp.

  As shown in FIG. 2, the headlamp unit 30 includes a headlamp light source 31 and a headlamp reflector 32 that reflects light from the headlamp light source 31 forward of the headlamp 10 in the lamp chamber S. doing.

  The clearance lamp unit 40 includes a clearance lamp light source 41 and a clearance lamp reflector 42 that reflects light from the clearance lamp light source 41 forward of the headlamp 10 in the lamp chamber S.

  As shown in FIG. 3, the turn signal lamp unit 50 includes a turn signal lamp light source 51 in the lamp chamber S and a turn signal lamp reflector that reflects light from the turn signal lamp light source 51 forward of the headlamp 10. 52.

  As shown in FIGS. 3 and 4, the head lamp reflector 32, the clearance lamp reflector 42, and the turn signal lamp reflector 52 are integrally formed as a reflector member. Further, the reflector member covers a gap between the head lamp reflector 32, the clearance lamp reflector 42, and the turn signal lamp reflector 52, and functions as an extension that shields the interior of the headlamp 10 when viewed from the front.

  As shown in FIG. 4, the outer lens 20 includes a design surface portion 21 and a side surface portion 22. The design surface portion 21 is formed in front of the clearance lamp unit 40, the head lamp unit 30 and the turn signal lamp unit 50. The side surface portion 22 has a side surface portion 22 extending from the side of the design surface portion 21 on the radiator grille 3 side (the center side of the vehicle 1) to the lamp body 11 side.

  The design surface portion 21 is provided with a through portion 23 and a plurality of first step portions 24. Irregularities are not formed in the threading portion 23, and light emitted forward from the clearance lamp unit 40 is passed forward as it is.

  The first step portion 24 is formed by a step portion extending in the left-right direction. By this first step portion 24, the light emitted forward from the clearance lamp unit 40 is diffused up and down. Further, the first step unit 24 may be divided into a plurality of parts in the left-right direction as illustrated. Thereby, the light emitted forward from the clearance lamp unit 40 can be diffused also in the left-right direction.

  A part of the side surface portion 22 protrudes forward from the end portion 3 b adjacent to the headlamp 10 of the radiator grill 3. That is, the ridge line 21 a that is the boundary between the side surface portion 22 and the design surface portion 21 is positioned on the front side of the vehicle 1 with respect to the end portion 3 b of the radiator grill 3. Thereby, a part of the side part 22 is exposed to the front side of the vehicle 1.

  A plurality of second step portions 25 are provided on a part of the front side of the side surface portion 22 protruding forward. The second step portion 25 is formed by a step portion extending in the front-rear direction along the side surface portion 22 extending in the front-rear direction. By this second step portion 25, the light emitted from the clearance lamp unit 40 to the side is diffused up and down.

  In the present embodiment, the second step portion 25 is formed so as to be continuous with the first step portion 24. That is, the second step portion 25 is formed such that the first step portion 24 provided on the design surface portion 21 of the outer lens 20 wraps around the side surface portion 22 as it is. Thereby, the 1st step part 24 and the 2nd step part 25 are set as the external appearance with the sense of unity.

  Further, the second step portion 25 is formed so as to be continuous with the rectifying fins 3 a of the radiator grill 3. That is, when the vehicle 1 is viewed from the front, the second step portion 25 is formed so as to be continuous with the rectifying fins 3a. As a result, the second step portion 25 and the rectifying fin 3a have a continuous and uniform appearance.

  The first step part 24 is divided into a plurality of parts in the left-right direction, and diffuses the light from the clearance lamp unit 40 vertically and horizontally. Further, a plurality of third step portions 26 extending in the vertical direction are provided on the vehicle center side of the through-passage portion 23 of the design surface portion 21 and diffuse in the left and right directions from the clearance lamp unit 40. Further, a fourth step portion 27 extending in the left-right direction is provided between the plurality of through-hole portions 23 of the design surface portion 21, and diffuses light from the clearance lamp unit 40 in the up-down direction.

  The first step part 24, the second step part 25, and the third step part 26 are all formed on the lamp chamber S side of the outer lens 20. Thereby, the outer surface of the outer lens 20 is a smooth surface without unevenness, and rainwater or the like is hardly attached thereto.

  FIG. 5 is a partial longitudinal sectional view of the headlamp 10 showing the light path in the vertical direction of the clearance lamp unit 40. FIG. 6 is a partial cross-sectional view of the headlamp 10 showing the light path in the left-right direction of the clearance lamp unit 40.

  As shown in FIG. 5, the light emitted from the clearance lamp light source 41 is reflected directly or by the clearance lamp reflector 42 and travels forward of the headlamp 10. Thus, the light emitted forward from the clearance lamp unit 40 enters the outer lens 20.

  Of the light incident on the outer lens 20, the light L <b> 1 incident on the through-hole 21 passes through the through-hole 21 without being refracted and is emitted as it is to the front front of the headlamp 10. Of the light incident on the outer lens 20, the light L <b> 2 and L <b> 3 incident on the first step portion 24 is refracted upward and downward by the first step portion 24 and travels upward and downward in front of the headlamp 10. And exit.

Moreover, as shown in FIG. 6, the light from the clearance lamp unit 40 goes to the front L1 to L3 and the side L4 of the headlamp 10.
As described above, the lights L1 to L3 directed toward the front of the headlamp 10 are emitted toward the front front of the headlamp 10, the upper front, and the lower front. As described above, the headlamp 10 has a shape that is inclined backward by moving backward from the center in the vehicle width direction to the end in the vehicle width direction. Therefore, the light emitted from the clearance lamp light source 41 is easily emitted toward the outer side in the width direction of the vehicle 1 through the design surface portion 21. For this reason, the light that has passed through the design surface portion 21 is emitted toward the front of the vehicle 1 and the outside of the vehicle.

  On the other hand, the light L4 directed to the side of the headlamp (on the side of the radiator grill 3) is incident on the side surface portion 22 of the outer lens 20. Here, the side surface portion 22 projects forward from the end portion 3 b of the radiator grill 3. For this reason, the light L4 incident on the side surface portion 22 is emitted toward the center of the vehicle without being blocked by the radiator grill 3.

  The side surface portion 22 is provided with a plurality of second step portions 25 extending in the left-right direction. For this reason, light incident on the second step portion 25 in the side surface portion 22 is diffused in the vertical direction by the second step portion 25. Accordingly, the light L4 incident on the second step portion 25 is emitted to the vehicle center side while being diffused in the vertical direction.

  Thus, according to the mounting arrangement structure of the headlamp 10 on the vehicle 1 according to this embodiment, the light of the clearance lamp unit 40 can be irradiated to a wide area in front and side of the headlamp 10. . The irradiation range of the clearance lamp unit 40 will be specifically described with reference to FIG.

  FIG. 7 is a schematic diagram showing an irradiation range formed on a virtual vertical screen provided 25 m ahead of the headlamp 10 attached to the right side of the vehicle 1. In the figure, O indicates a point where the optical axis of the headlamp 10 intersects the virtual vertical screen.

  As shown in FIG. 7, an irradiation area A that spreads from the front front of the headlamp 10 to the outside of the vehicle is irradiated by the light L <b> 1 that has passed through the through portion 23 of the clearance lamp unit 40. In addition, the upper and lower irradiation areas Bu and Bd that spread in front of the headlamp 10 and outside the vehicle are irradiated by the light that has passed through the first step portion 24. Further, the irradiation region C that spreads up and down on the center side of the vehicle 1 of the headlamp 10 is irradiated by the light that has passed through the second step portion 25.

  Thus, according to the mounting arrangement structure of the headlamp 10 according to the present embodiment on the vehicle 1, light is efficiently emitted to different regions by the through portion 23, the first step portion 24, and the second step portion 25. Can be irradiated. Therefore, for example, the irradiation possible angle θ1 on the vehicle center side of the irradiation range shown in FIG. 7 is 45 degrees, the irradiation possible angle θ2 on the outside of the vehicle is 85 degrees, and the vertical irradiation possible angle θ3 is 15 degrees. It can be easily realized. That is, according to the structure for mounting the headlamp 10 on the vehicle 1 according to the present embodiment, the irradiation range of the clearance lamp unit 40 can be set wide.

  Since the headlamp 10 having such a clearance lamp unit 40 is provided, light is emitted not only to the front of the vehicle 1 but also to the side of the vehicle 1. And pedestrians can be surely notified, and visibility during running can be improved.

  Moreover, the mounting arrangement structure of the headlamp 10 according to the present embodiment on the vehicle 1 is configured to emit the light L4 toward the vehicle center side by the side surface portion 22 and the second step portion 25. For this reason, unlike Patent Document 1, there is no concern about interference with other optical systems. Further, since the interference with other optical systems does not occur, the lamp is not increased in size. Therefore, according to the structure for mounting the headlamp 10 on the vehicle 1 according to the present embodiment, the clearance lamp unit 40 can be widened without increasing the size of the lamp and without sacrificing the degree of freedom in design. An irradiation range can be realized.

  In particular, as described above, the headlamp 10 to which the mounting arrangement structure according to the present embodiment is applied has a shape inclined rearward from the center side of the vehicle toward the end along the outline of the vehicle 1. . Even when there is such a design request, according to the mounting arrangement structure of the headlamp 10 according to the present embodiment on the vehicle 1, a wide irradiation range can be secured on the center side of the vehicle 1.

  Moreover, it is preferable that the attachment arrangement structure to the vehicle 1 of the headlamp 10 which concerns on this embodiment is formed so that the 1st step part 24 and the 2nd step part 25 may continue. Thereby, the design property at the time of seeing from the front of the headlamp 10 can be improved.

  Moreover, the mounting arrangement structure of the headlamp 10 according to the present embodiment on the vehicle 1 is formed so that the rectifying fins 3a extending in the left-right direction of the radiator grill 3 and the second step portion 25 are continuous. preferable. Thereby, the radiator grille 3 and the headlamp 10 can be integrated with a unified design, and the designability from the front of the vehicle 1 can be enhanced.

  Moreover, it is preferable that the 1st step part 24 is divided | segmented into plurality in the left-right direction by the mounting arrangement structure to the vehicle 1 of the headlamp 10 which concerns on this embodiment. Thereby, the light from the clearance lamp unit 40 can be diffused in the vertical direction and the horizontal direction. That is, by dividing the first step portion 24 also in the left-right direction, the light L2, L3 that has passed through the first step portion 24 can irradiate a wider area in the left-right direction in front of the headlamp 10, The visibility of the clearance lamp unit 40 can be further improved.

  Moreover, it is preferable that the design surface portion 21 is provided with a plurality of third step portions 26 extending in the vertical direction. Thereby, the light from the clearance lamp unit 40 can be diffused right and left by the third step portion 26, and the visibility of the clearance lamp unit 40 can be further improved.

  Alternatively, the threading part 23 may be divided into a plurality of parts, and a fourth step part 27 extending in the left-right direction may be provided between the threading parts 23. By the fourth step portion 27, the light traveling forward from the clearance lamp unit 40 can be diffused in the vertical direction, and the visibility of the clearance lamp unit 40 can be further improved.

  As mentioned above, although this invention was demonstrated using the embodiment, the technical scope of this invention is not limited to the range as described in the said embodiment. It will be apparent to those skilled in the art that various modifications and improvements can be made to the above-described embodiment.

  For example, the shape and position of the threading portion 23, the first step portion 24, and the third step portion 26 formed on the design surface portion 21 of the outer lens 20 described above are examples, and are limited to the examples given in the present embodiment. Absent.

1: vehicle, 2: vehicle body, 3: radiator grill (central part), 3a: rectifying fin, 3b: end, 10: headlamp, 11: lamp body, 12: opening, 20: outer lens, 21: Design surface portion, 22: side portion, 23: through portion, 24: first step portion, 25: second step portion, 26: third step portion, 30: head lamp unit, 31: head lamp light source, 32: head lamp Reflector, 40 clearance lamp unit, 41: clearance lamp light source, 42: clearance lamp reflector, 50: turn signal lamp unit, 51: turn signal lamp light source, 52: turn signal lamp reflector

Claims (5)

The car body,
A pair of left and right headlamps attached to the vehicle body;
A central part arranged so as to be adjacent between the pair of left and right headlamps,
Each of the headlamps
A lamp body with an opening on the front,
An outer lens that closes the opening and forms a lamp chamber with the lamp body;
A headlamp unit that is disposed in the lamp chamber and includes a headlamp light source and a headlamp reflector that reflects light from the headlamp light source forward of a headlamp;
A clearance lamp unit disposed in the lamp chamber and having a clearance lamp light source and a clearance lamp reflector that reflects light from the clearance lamp light source forward of a headlamp;
The outer lens is
A design surface portion disposed in front of the clearance lamp unit;
A side surface portion extending from the side of the central surface side of the design surface portion toward the lamp body,
The design surface portion is
A through portion for allowing light from the clearance lamp unit to pass forward;
A plurality of first step portions extending in the left-right direction for diffusing light from the clearance lamp unit up and down,
A part of the side surface portion protrudes more forward than an end portion of the central part adjacent to the headlamp,
A plurality of second step portions extending in the front-rear direction for diffusing light from the clearance lamp unit vertically are provided in a part of the side portion protruding forward. Mounting arrangement structure of the light on the vehicle.   The structure for mounting a headlamp to a vehicle according to claim 1, wherein the first step portion and the second step portion are formed to be continuous. The central part is a radiator grille;
The radiator grille has rectifying fins extending in the left-right direction,
The headlamp according to claim 1 or 2, wherein the rectifying fins and the second step portion are formed so that the positions in the height direction of the upper ends of the rectifying fins and the second step portion are aligned in front view of the vehicle. Mounting arrangement structure to the vehicle.   4. The headlight according to claim 1, wherein the first step portion is divided into a plurality of portions in the left-right direction, and diffuses light from the clearance lamp unit vertically and horizontally. 5. Mounting arrangement structure of the light on the vehicle.   The said design surface part is provided with the several 3rd step part extended in an up-down direction which diffuses the light from the said clearance lamp unit to right and left, The Claim 1 characterized by the above-mentioned. Mounting arrangement structure of the described headlamp to a vehicle.

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