JP2008037244A - Vehicle lighting device - Google Patents

Abstract

A vehicular illuminating device having a versatile light source unit that can be mounted in common to a plurality of types of vehicular illuminating devices having different optical axis angles.
A vehicle lighting device 1A includes a functional unit 3A having a substrate 7 to which a light source unit 5A and a switch unit 6 are attached, and a housing that is disposed on the passenger compartment side of the functional unit 3A and to which the functional unit 3A is attached. 40. The housing 40 has a standing portion 40f that stands on the vehicle body panel side from the inner edge portion of the through hole 40e for allowing the light of the light source unit 5A to pass to the passenger compartment side. The contact surface 40g that contacts the light source unit 5A of the standing portion 40f is arranged in a direction orthogonal to the preset optical axis L. The light source unit 5A and the substrate 7 are connected via a compression coil spring 11 that supports the light source unit 5A with respect to the substrate 7 so that the light source unit 5A contacts the contact surface 40g.
[Selection] Figure 2

Description

  The present invention relates to a vehicular illumination device that is attached to a roof trim or the like of an automobile as a vehicle and illuminates a passenger compartment of the automobile.

  2. Description of the Related Art Conventionally, a vehicle illumination device is provided on the ceiling of an automobile as a vehicle. As shown in FIG. 8, the vehicle lighting device 101 includes a frame portion 102 attached to an opening 201 of a roof trim 200 as an interior material that covers a vehicle body panel (not shown), and is assembled to the frame portion 102. A device having a functional portion 103 positioned on the rear surface side of the roof trim 200, that is, the vehicle body panel side (referred to as the lower side in FIG. 8) is known (see, for example, Patent Document 1).

  The frame portion 102 includes a housing 120 made of a synthetic resin and a lens 121 formed of a synthetic resin having translucency.

  The housing 120 is formed in a box shape, and is a flat plate-like flat plate portion 120a disposed on the passenger compartment side (referred to as the upper side in FIG. 8), and is erected from the flat plate portion 120a toward the vehicle body panel side. A plurality of peripheral walls 120b. A flange 120c extending toward the outside of the opening 201 is provided at the end of the peripheral wall 120b on the passenger compartment side, and a lock protrusion (not shown) is provided on the vehicle body panel side of the peripheral wall 120b. . The housing 120 is attached to the opening 201 by sandwiching the roof trim 200 between the lock protrusion and the flange 120c.

  The lens 121 is formed in a dish shape having a size substantially equal to the flat plate portion 120a and is assembled to the housing 120 so as to overlap the flat plate portion 120a. In other words, the lens 121 is arranged to cover the opening 201.

  The functional unit 103 includes a second housing 130 made of synthetic resin, a substrate 131, a light source unit 132, and a switch unit 133.

  The second housing 130 is connected to a plurality of second peripheral walls 130a arranged on the same plane as the peripheral wall 120b, and an end of the second peripheral wall 130a on the side away from the peripheral wall 120b, and is a flat surface facing the flat plate portion 120a. And a plate-like second flat plate portion 130b. The second housing 130 is assembled to the housing 120 by engaging a locking claw (not shown) provided on the second peripheral wall 130a with a locking receiving portion (not shown) provided on the peripheral wall 120b.

  The substrate 131 is a well-known printed circuit board. The light source unit 132 and the switch unit 133 are placed on the substrate 131 and attached to the second housing 130.

  The light source unit 132 includes an LED (Light Emitting Diode) 132a as a light source, and a base portion 132b on which the LED 132a is mounted and fixed and attached to the substrate 131. This pedestal 132b adjusts the LED 132a so that the optical axis L is set in advance. In the illustrated example, the direction of the LED 132a is adjusted by inclining the mounting surface 132c of the LED 132a.

  The switch unit 133 is a device for turning on and off the power to the LED 132a. The switch unit main body 133a attached to the board 131 and the flat plate portion 120a and the through holes 120d and 121a provided in the lens 121 are provided on the passenger compartment side. And a protruding operation button 133b. The switch unit 133 and the light source unit 132 are connected to the substrate 131 by an electric wire (not shown).

  Further, reference numeral 140 in FIG. 8 denotes a reflector for guiding the light of the LED 132a to the passenger compartment side. The reflecting plate 140 is formed in a funnel shape having an inner diameter that increases from the body panel side toward the passenger compartment side. An end portion 140a on the passenger compartment side of the reflecting plate 140 is fixed to an inner edge portion of a through hole 120e provided in the flat plate portion 120a. Further, the end 140b on the vehicle body panel side of the reflecting plate 140 is in contact with the mounting surface 132c of the base 132b.

In the vehicular illumination device 101 having the above-described configuration, power is supplied to the LED 132a when the operation button 133b is pressed by an occupant or the like. Then, the light from the LED 132a is guided to the passenger compartment side by the reflector 140 to illuminate the passenger compartment.
JP-A-2005-324607

  On the other hand, since the angle of the optical axis L is different depending on the vehicle type, the conventional vehicle lighting device 101 described above has the base portion 132b in which the inclination angle of the mounting surface 132c is different for each mounted vehicle type. It is necessary to use the light source unit 132 having For this reason, the product numbers of the light source unit 132 and the functional unit 103 are increased, and these components tend to increase.

  Accordingly, an object of the present invention is to provide a vehicular illumination device having a versatile light source unit that can be mounted in common to a plurality of types of vehicular illumination devices having different optical axis angles.

  In order to achieve the above-described object, according to the first aspect of the present invention, there is provided a functional unit in which a light source unit is attached to a substrate, a passenger compartment side of the functional unit, and the functional unit being attached. A lighting device for a vehicle having a frame portion, wherein the frame portion has a hole for allowing light from the light source unit to pass to a passenger compartment side, and the light source in the hole. A contact surface that contacts the unit is arranged in a direction orthogonal to a preset optical axis, and the functional unit contacts the light source unit with respect to the substrate by contacting the light source unit with the contact surface. And a vehicle illumination device having a support portion that is movably supported.

  The invention described in claim 2 is the invention described in claim 1, wherein the support portion includes a compression coil spring having one end attached to the light source unit and the other end attached to the substrate. It is characterized by that.

  The invention described in claim 3 is the invention described in claim 1, wherein the support portion is a sphere attached to one of the light source unit and the substrate, and is attached to the other and the sphere It is characterized by having a sphere joint comprising a sphere support portion that is supported so as to roll in any direction.

  According to the invention described in claim 1, the light source unit is brought into contact with the contact surface of the hole arranged in the direction orthogonal to the optical axis set in advance for each vehicle type by the functional unit. Since the support portion is supported so as to be displaceable with respect to the substrate, a common light source unit can be used for a plurality of types of frame portions having different contact surface angles. Therefore, the product number of the light source unit and the functional unit having the light source unit can be reduced, and the cost of the vehicular lighting device can be reduced.

  According to the second aspect of the invention, the compression coil spring is elastically deformed, so that the light source unit attached to one end of the compression coil spring can be supported to be displaceable with respect to the substrate. The light source unit is always urged toward the contact surface by the compression coil spring, and the substrate is always urged away from the frame portion by the compression coil spring. It is possible to prevent the substrate from rattling.

  According to the invention described in claim 3, the sphere of the sphere joint rotates with respect to the sphere support portion, so that the sphere or the light source unit attached to the sphere support portion is displaceably supported with respect to the substrate. can do. Moreover, the cost of the vehicular lighting device can be further reduced by using the spherical joint having such a simple configuration.

  Hereinafter, a vehicle lighting device 1A according to a first embodiment of the present invention will be described with reference to FIGS. The “vehicle lighting device 1 </ b> A” in the present embodiment is a device that is attached to an opening 21 provided in a roof trim 2 or the like of an automobile as a vehicle and illuminates the passenger compartment of the automobile. The roof trim 2 is a component made of synthetic resin that constitutes the ceiling of the automobile, and is attached to the inside of the passenger compartment.

  As shown in FIG. 1, the vehicle lighting device 1A includes a functional unit 3A having a bulb 50 as a light source, a frame unit 4A that is disposed on the passenger compartment side of the functional unit 3A and to which the functional unit 3A is attached. It is comprised. Moreover, the said passenger compartment side means an upper side rather than the roof trim 2 in FIG.1 and FIG.2. Further, a vehicle body panel (not shown) is disposed below the roof trim 2 in FIGS. 1 and 2. Hereinafter, the lower side of the roof trim 2 in FIGS. 1 and 2 is referred to as a vehicle body panel side.

  The frame portion 4A has a housing 40 made of synthetic resin. The housing 40 is formed in a box shape and includes a flat plate-like flat plate portion 40a disposed on the passenger compartment side, and a peripheral wall 40b erected from the flat plate portion 40a toward the vehicle body panel side. . A flange 40c extending toward the outside of the opening 21 is provided at the end of the peripheral wall 40b on the passenger compartment side, and a lock projection (not shown) is provided on the vehicle body panel side of the peripheral wall 40b. . And the housing 40 is attached to the opening part 21 by the roof trim 2 being pinched | interposed between this lock protrusion and the collar part 40c.

  The flat plate portion 40a has a through hole 40d for allowing an operation button 6b of the switch unit 6 described later to protrude toward the passenger compartment, a through hole 40e for allowing light from the bulb 50 to pass through the passenger compartment, and a through hole 40e. And an erecting portion 40f erected from the inner edge portion toward the vehicle body panel side. The standing portion 40f is formed in a cylindrical shape and communicates from the end on the vehicle body panel side to the through hole 40e. The standing portion 40f is formed so that the inner diameter gradually decreases from the through hole 40e toward the end on the vehicle body panel side. Further, an annular contact surface 40g constituted by an end portion of the standing portion 40f on the side away from the through hole 40e, that is, an end portion on the vehicle body panel side, is in a direction orthogonal to the preset optical axis L. It is distribute | arranged and it inclines with respect to the flat plate part 40a. The preset optical axis L means the direction of the designed optical axis when the bulb 50 as the light source of the vehicle lighting device 1A illuminates the passenger compartment side. A lens 8 of the light source unit 5A described later contacts the contact surface 40g. Further, the through hole 40e and the standing portion 40f described above constitute a “hole” described in the claims.

  The functional unit 3A includes a substrate 7 on which the switch unit 6 and the light source unit 5A are mounted, a second housing 30 that accommodates the substrate 7, and a support unit 10A. This substrate 7 is a well-known printed board in which a conductor pattern or the like is formed on the surface of an insulating substrate made of a synthetic resin and formed in a plate shape. The substrate 7 is assembled to the second housing 30 by press-fitting and locking.

  The second housing 30 includes a second peripheral wall 30a disposed on the same plane as the peripheral wall 40b, and a flat plate connected to the end of the second peripheral wall 30a on the side away from the peripheral wall 40b and facing the flat plate portion 40a. And a second flat plate portion 30b. The second housing 30 is assembled to the housing 40 by engaging a locking claw (not shown) provided on the second peripheral wall 30a with a locking receiving portion (not shown) provided on the peripheral wall 40b.

  The switch unit 6 is a device that turns on / off power to a valve 50 described later, and protrudes toward the passenger compartment from the switch unit main body 6a attached to the substrate 7 and the through hole 40d provided in the flat plate portion 40a. And an operation button 6b.

  The light source unit 5A includes a bulb 50 as a light source, a plate-like base portion 52 on which the bulb 50 is placed, a reflector 9 for guiding light from the bulb 50 to the passenger compartment, a lens 8, have.

  The above-mentioned valve 50 is placed and fixed on a surface 52a on the passenger compartment side of the base portion 52, which is made of a synthetic resin or the like and formed in a square shape in plan view.

  The reflection plate 9 is fixed to the surface 52a and is formed in a funnel shape whose inner diameter increases with distance from the surface 52a. The bulb 50 is disposed inside the reflector 9. In addition, W in FIG. 1 is an electric wire that supplies electric power to the valve 50. One end of the electric wire is connected to the valve 50 through a through hole (not shown) provided in the base portion 52, and the other end is connected to the substrate 7.

  The lens 8 is made of a translucent synthetic resin or the like. The lens 8 is attached to the end portion so as to cover the opening portion of the end portion on the side away from the surface 52a of the reflecting plate 9. The lens 8 is lens-cut for efficiently illuminating the passenger compartment side by refracting incident light toward the center. Further, the lens 8 has an outer shape formed larger than the inner diameter of the end portion on the vehicle body panel side of the standing portion 40f described above, the center portion 80 is formed in a spherical shape, and the vehicle body panel of the standing portion 40f is formed. It is formed to be able to fit inside the side end. Further, the outer portion 81 disposed outside the central portion 80 is formed as a flat surface, and the outer portion 81 contacts the contact surface 40g.

  The support portion 10A includes a plurality of compression coil springs 11 (four in this embodiment). The compression coil spring 11 is an elastically deformable spring configured by bending a wire or the like in a spiral shape. Each of these compression coil springs 11 has one end attached to the back surface 52 b of the surface 52 a of the base portion 52 and the other end attached to the substrate 7. In the present embodiment, the compression coil springs 11 are attached to the four corners of the base portion 52, respectively. 10 A of support parts support 5 A of light source units with respect to the board | substrate 7 so that displacement is possible, when the some compression coil spring 11 elastically deforms.

  In the vehicle lighting device 1A having the above configuration, the housing 40 in a state separated from the second housing 30 is directed from the passenger compartment side toward the vehicle body panel side of the opening 21 with the flat plate portion 40a facing the passenger compartment side. After being attached to the opening 21 by being pushed up, the second housing 30 in a state where the substrate 7 is accommodated is assembled to the housing 40 to be assembled in the state shown in FIG. Further, when the second housing 30 is assembled to the housing 40, the outer portion 81 of the lens 8 contacts the contact surface 40g, and the compression coil spring 11 is elastically deformed according to the contact angle. In the state where the second housing 30 shown in FIG. 2 is assembled to the housing 40, the compression coil spring 11 urges the light source unit 5A toward the contact surface 40g, and the substrate 7 is moved to the second housing. It is biased toward the inner surface of 30. This prevents the light source unit 5A and the substrate 7 from rattling.

  In such a vehicular lighting device 1A, electric power is supplied to the bulb 50 when the operation button 6b is pressed by an occupant or the like. Then, the light from the bulb 50 is guided to the passenger compartment side by the reflecting plate 9 and the standing portion 40f to illuminate the passenger compartment in the direction of the optical axis L.

  According to the present embodiment, the functional portion 3A is brought into contact with the contact surface 40g arranged in a direction orthogonal to the optical axis L set in advance for each vehicle model, whereby the lens 8 of the light source unit 5A comes into contact with the compression coil spring 11. Has a support portion 10A that elastically deforms to support the light source unit 5A so as to be displaceable with respect to the substrate 7, so that a common light source is used for a plurality of types of frame portions 4A having different contact surface 40g angles. Unit 5A can be used. Therefore, the product numbers of the light source unit 5A and the functional unit 3A having the light source unit 5A can be reduced, and the cost of the vehicle lighting device 1A can be reduced. The light source unit 5 </ b> A is always urged toward the contact surface 40 g by the compression coil spring 11, and the substrate 7 is always urged toward the inner surface of the second housing 30 by the compression coil spring 11. Therefore, it is possible to prevent the light source unit 5A and the substrate 7 from rattling.

  Next, a vehicle lighting device 1B according to a second embodiment of the present invention will be described with reference to FIGS. In the figure, the same components as those in the vehicle lighting device 1A described above are denoted by the same reference numerals and description thereof is omitted.

  As shown in FIGS. 3 and 4, the vehicular lighting device 1 </ b> B according to the present embodiment includes a frame portion 4 </ b> B and a functional portion 3 </ b> B.

  In the present embodiment, the frame portion 4B includes a housing 40 'and a lens 41. The housing 40 ′ does not have the standing portion 40 f described in the above-described embodiment, but has a reflection plate 43. The reflecting plate 43 is for guiding light of the light source unit 5B described later to the passenger compartment side, and is formed in a funnel shape having an inner diameter that increases from one end to the other end. The other end is fixed to the inner edge of the through hole 40e of the flat plate portion 40a. The annular contact surface 43a constituted by the one end portion is arranged in a direction orthogonal to the preset optical axis L, and is inclined with respect to the flat plate portion 40a. The abutment surface 43a abuts a surface 52a of a base portion 52 of the light source unit 5B described later. Further, the through hole 40e and the reflection plate 43 described above constitute a “hole” described in the claims.

  The lens 41 is made of a synthetic resin having translucency, is formed in a dish shape having a size substantially equal to the flat plate portion 40a, and is assembled to the housing 40 'so as to overlap the flat plate portion 40a. In other words, the lens 41 is arranged so as to cover the opening 21. The lens 41 has a through hole 41a at a position overlapping the through hole 40d of the flat plate portion 40a. The operation button 6b of the switch unit 6 is passed through the through hole 41a.

  In the present embodiment, the functional unit 3B includes a light source unit 5B instead of the light source unit 5A described above. The light source unit 5B has an LED (Light Emitting Diode) 51 as a light source and a base 52 on which the LED is placed. Since the base 52 has the same configuration as that of the first embodiment described above, description thereof is omitted. The LED 51 is mounted and fixed on the surface 52 a side of the base 52. 3 is a case that covers the semiconductor 51b of the LED 51. The case 51a is made of a translucent synthetic resin and is formed in a dome shape. Further, the outer shape of the case 51a is formed to be smaller than the inner diameter of the end portion of the reflecting plate 43 on the vehicle body panel side. In a state where the functional portion 3B and the frame portion 4B are assembled, the case 51a is positioned inside the end portion of the reflector plate 43 on the vehicle body panel side, and the surface 52a of the base portion 52 is in contact with the contact surface 43a. Abut.

  The vehicular lighting device 1B having the above-described configuration has the frame portion 4B separated from the second housing 30, that is, the housing 40 'and the lens 41, from the passenger compartment side with the flat plate portion 40a facing the passenger compartment side. After being attached to the opening 21 by pushing it up toward the vehicle body panel side of the opening 21, the second housing 30 in which the substrate 7 is accommodated is assembled to the housing 40 ′ to assemble the state shown in FIG. 4. It is done. Further, when the second housing 30 is assembled to the housing 40 ′, the surface 52 a of the base portion 52 contacts the contact surface 43 a and the compression coil spring 11 is elastically deformed according to the contact angle. In the state where the second housing 30 shown in FIG. 4 is assembled to the housing 40 ′, the compression coil spring 11 biases the light source unit 5B toward the contact surface 43a, and the substrate 7 is moved to the second position. It is biased toward the inner surface of the housing 30. This prevents the light source unit 5B and the substrate 7 from rattling.

  In such a vehicular lighting device 1B, power is supplied to the LED 51 when the operation button 6b is pressed by an occupant or the like. And the light of LED51 is guide | induced to the passenger compartment side by the reflecting plate 43, and illuminates a passenger compartment in the optical axis L direction.

  In the present invention, as shown in the second embodiment, the frame portion 4B may include the lens 41. The light source of the light source unit may be the bulb 50 or the LED 51. Further, the reflection plate may be included in the light source unit 5A as shown in the first embodiment, or may be provided in the frame portion 4B as shown in the second embodiment. .

  Next, a vehicle lighting device 1 </ b> C according to a third embodiment of the present invention will be described with reference to FIGS. 5 to 7. In the figure, the same components as those in the vehicle lighting devices 1A and 1B described above are denoted by the same reference numerals and description thereof is omitted.

  As shown in FIGS. 5 and 6, the vehicle lighting device 1 </ b> C of the present embodiment is configured to include a frame portion 4 </ b> B and a functional portion 3 </ b> C. Since this frame portion 4B has the same configuration as that of the second embodiment described above, description thereof is omitted.

  In the present embodiment, the functional part 3C has a spherical joint 10C as a support part instead of the support part 10A described in the first and second embodiments. The spherical joint 10C, as shown in FIG. 7 and the like, supports the spherical body 12 attached to the back surface 52b of the base portion 52 of the light source unit 5B and the spherical body 12 so as to roll freely in all directions. It has the spherical body support part 13 and the attachment shaft 12a. The attachment shaft 12 a is formed in a rod shape, one end is attached to the back surface 52 b of the base portion 52, and the other end is attached to the sphere 12.

  The spherical body support portion 13 is formed by sticking a block-shaped lower member 13a and a block-shaped upper member 13b. The lower member 13a has a hemispherical concave portion 15a formed in a concave shape from the surface to be bonded to the upper member 13b. Further, the upper member 13b has a substantially hemispherical through recess 15b penetrating the upper member 13b from the surface bonded to the lower member 13a toward the side away from the lower member 13a. These recesses 15a and 15b are formed in a substantially spherical shape by bonding the lower member 13a and the upper member 13b to each other.

  The spherical body 12 is housed in the recesses 15a and 15b so as to be sandwiched between the lower member 13a and the upper member 13b. Further, as shown in FIG. 7, the mounting shaft 12a and a part of the sphere 12 connected to the mounting shaft 12a are formed from the opening 14 of the through recess 15b opened on the upper surface on the side away from the lower member 13a of the upper member 13b. It is exposed to the outside of the sphere support part 13. Further, one end (not shown) of the exposed mounting shaft 12a away from the sphere 12 is attached to the back surface 52b of the base portion 52 as described above.

  The spherical joint 10 </ b> C having such a configuration supports the light source unit 5 </ b> B attached to the spherical body 12 via the mounting shaft 12 a so that the light source unit 5 </ b> B can be displaced relative to the substrate 7 by rotating the spherical body 12 with respect to the spherical body support portion 13. can do.

  The vehicular lighting device 1C having the above-described configuration has the frame portion 4B separated from the second housing 30, that is, the housing 40 'and the lens 41, from the passenger compartment side with the flat plate portion 40a facing the passenger compartment side. After being attached to the opening 21 by pushing it up toward the vehicle body panel side of the opening 21, the second housing 30 in which the substrate 7 is accommodated is assembled to the housing 40 ′ to assemble the state shown in FIG. 6. It is done. Further, when the second housing 30 is assembled to the housing 40 ′, the surface 52 a of the base portion 52 contacts the contact surface 43 a, and the sphere 12 rotates according to the contact angle.

  In such a vehicular lighting device 1 </ b> C, power is supplied to the LED 51 when the operation button 6 b is pressed by an occupant or the like. And the light of LED51 is guide | induced to the passenger compartment side by the reflecting plate 43, and illuminates a passenger compartment in the optical axis L direction.

  According to the present embodiment, since the spherical joint 10C having a simple configuration is used as the support portion, the cost of the vehicular lighting device 1C can be further reduced.

  Moreover, in 3rd Embodiment mentioned above, the spherical body 12 was attached to the base part 52 via the attachment shaft 12a, and the spherical body support part 13 was attached to the board | substrate 7, However, In this invention, the spherical body 12 is attached. It may be attached to the substrate 7 and the sphere support part 13 may be attached to the base part 52.

  In the first embodiment described above, the support portion 10 </ b> A has the compression coil spring 11, but the support portion of the present invention is integrally formed with the base portion 52 in addition to the metallic compression coil spring 11, for example. You may have the made resin spring.

  In the first embodiment described above, the lens 8 has been subjected to lens cut for improving illumination efficiency. However, in the present invention, the lens may not necessarily be subjected to lens cut. That is, the light source unit of the present invention can freely change the direction of the light source by the support portion and can illuminate the passenger compartment in the preset optical axis L direction. Can be illuminated.

  In addition, the light source unit of the present invention can be displaced by the support member, and the direction of the light source unit is determined by abutting against the abutting surface. For example, the abutting surface is movably formed to illuminate every direction. It can also be set as the vehicle illuminating device which can do.

  In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

It is sectional drawing which shows the illuminating device for vehicles which concerns on the 1st Embodiment of this invention, and is sectional drawing which shows the state before a function part is assembled | attached to a frame part. It is sectional drawing which shows the state by which the function part of the illuminating device for vehicles shown by FIG. 1 was assembled | attached to the flame | frame part. It is sectional drawing which shows the illuminating device for vehicles which concerns on the 2nd Embodiment of this invention, and is sectional drawing which shows the state before a function part is assembled | attached to a frame part. It is sectional drawing which shows the state by which the function part of the illuminating device for vehicles shown by FIG. 3 was assembled | attached to the flame | frame part. It is sectional drawing which shows the illuminating device for vehicles which concerns on the 3rd Embodiment of this invention, and is sectional drawing which shows the state before a function part is assembled | attached to a frame part. It is sectional drawing which shows the state by which the function part of the illuminating device for vehicles shown by FIG. 5 was assembled | attached to the flame | frame part. It is a perspective view which shows the spherical joint of the illuminating device for vehicles shown by FIG. It is sectional drawing which shows the conventional vehicle illuminating device.

Explanation of symbols

1A, 1B, 1C Vehicle lighting device 3A, 3B, 3C Functional part 4A, 4B Frame part 5A, 5B Light source unit 7 Substrate 10A Support part 10C Spherical joint (support part)
11 Compression coil spring 12 Sphere 13 Sphere support 40e Through hole (hole)
40f Standing part (hole)
43 Reflector (hole)
40g, 43a Contact surface L Optical axis

Claims (3)

A vehicle lighting device configured to include a functional unit in which a light source unit is attached to a substrate, and a frame unit that is arranged closer to a passenger compartment than the functional unit and to which the functional unit is attached,
The frame portion has a hole for allowing light from the light source unit to pass to the passenger compartment side, and a contact surface of the hole that contacts the light source unit is in a direction perpendicular to a preset optical axis. Is arranged,
The vehicle lighting device according to claim 1, wherein the functional unit includes a support unit that supports the light source unit so as to be displaceable with respect to the substrate by the light source unit contacting the contact surface.   2. The vehicular illumination device according to claim 1, wherein the support portion includes a compression coil spring having one end attached to the light source unit and the other end attached to the substrate.   The support portion has a sphere joint formed by a sphere attached to one of the light source unit and the substrate and a sphere support portion attached to the other and supporting the sphere so as to be able to roll in any direction. The vehicular illumination device according to claim 1, wherein the vehicular illumination device is configured as described above.

Images