JP2023174207A - Vehicular lighting fixture - Google Patents

Abstract

To provide a vehicular lighting fixture in which optical components can be accurately attached.SOLUTION: A vehicular lighting fixture 100 comprises: a light source 11; a condenser lens member 20 in which a condenser lens 21 for condensing light emitted from the light source 11, and a condenser lens frame 23 for holding the condenser lens 21 are formed as one member; a light blocking member 30 in which a slit formation part 31 comprising a slit 33 for passing part of the light condensed by the condenser lens 21, and a light blocking frame 32 for holding the slit formation part 31 are formed as one member; a projection lens member 40 in which a projection lens 41 for forming an irradiation pattern by projecting the light passed through the slit 33, onto a road surface is formed; and a supporting member 50 for supporting the light source 11. The condenser lens member 20, the light blocking member 30, and the projection lens member 40 are fixed to the supporting member 50 in such a manner that the condenser lens frame 23 and the light blocking frame 32 overlap in the direction of an optical axis AX.SELECTED DRAWING: Figure 1

Description

The present invention relates to a vehicle lamp.

2. Description of the Related Art A vehicle lamp capable of emitting a pattern onto a road surface is known (for example, see Patent Document 1). In the vehicle lamp described in Patent Document 1, light from a light source is collected by a condensing lens, the condensed light is irradiated onto a slit in a light shielding member, and the light transmitted through the slit is projected onto the road surface in front of the vehicle using a projection lens. It is configured to irradiate the area. In this configuration, each of the optical members, such as the condenser lens, the light shielding member, and the projection lens, is supported by the support member while being held by parts such as the frame and the case.

JP 2021-111465 Publication

In the above-mentioned vehicle lamp, each optical member is required to be attached with high precision.

The present invention has been made in view of the above, and an object of the present invention is to provide a vehicle lamp to which optical components can be attached with high precision.

A vehicle lamp according to the present invention includes a light source, a condenser lens that condenses light emitted from the light source, and a condenser lens frame that holds the condenser lens, which are formed as one member. a light shielding member formed as one member, a slit forming part having a slit through which a part of the light collected by the condensing lens passes, and a light shielding frame holding the slit forming part; A projection lens member is provided with a projection lens that projects the light that has passed through the slit onto a road surface to form an irradiation pattern, and a support member that supports the light source, the condenser lens member, the light shielding member, and the The projection lens member is fixed to the support member such that the condenser lens frame and the light shielding frame overlap in the optical axis direction.

In the vehicle lamp described above, the condenser lens member is entirely formed using a material constituting the condenser lens, and the light shielding member includes the condenser lens and the condenser lens of the condenser lens member when viewed from the front. The condenser lens frame is formed to cover the condenser lens frame.

In the above vehicle lamp, the projection lens member includes the projection lens and a projection lens frame that holds the projection lens formed as one member, and the condenser lens member, the light shielding member, and the projection lens member , the condenser lens frame, the light shielding frame, and the projection lens frame are fixed to the support member so as to overlap in the optical axis direction.

In the vehicle lamp described above, the condenser lens member is arranged so that the condenser lens is disposed rearward in the optical axis direction with respect to the condenser lens frame, and the projection lens member is arranged with respect to the projection lens frame. The projection lens is arranged in front in the optical axis direction.

In the vehicle lamp described above, the support member includes a base portion having a support surface that supports the light source, and a fixing portion that fixes the condenser lens frame, the light shielding frame, and the projection lens frame, and The fixing part protrudes from the support surface.

In the above-mentioned vehicle lamp, the fixing portion is provided with an end surface in a protruding direction that serves as a reference surface for fixing the condensing lens frame, the light shielding frame, and the projection lens frame, and the end surface is provided on the tip of the optical axis. It is formed perpendicular to the direction.

According to the present invention, it is possible to provide a vehicle lamp in which optical components can be attached with high precision.

FIG. 1 is an exploded perspective view showing an example of a vehicle lamp according to the present embodiment. FIG. 2 is a diagram showing a state in which the vehicle lamp is viewed from the front. FIG. 3 is a diagram showing the configuration along the AA cross section in FIG. 2. FIG. 4 is a diagram showing the configuration along the BB cross section in FIG. 2. FIG. 5 is a diagram showing an example of the operation of the vehicle lamp. FIG. 6 is a diagram showing an example of an irradiation pattern formed on a road surface by a vehicle lamp.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a vehicle lamp according to the present invention will be described based on the drawings. Note that the present invention is not limited to this embodiment. Furthermore, the constituent elements in the embodiments described below include those that can be easily replaced by those skilled in the art, or those that are substantially the same.

FIG. 1 is an exploded perspective view showing an example of a vehicle lamp 100 according to the present embodiment. FIG. 2 is a diagram showing a state in which the vehicle lamp 100 is viewed from the front. FIG. 3 is a diagram showing the configuration along the AA cross section in FIG. 2. FIG. 4 is a diagram showing the configuration along the BB cross section in FIG. 2. FIG. 4 shows an enlarged view of the portion fixed to the fixing part 53. As shown in FIGS. 1 to 4, the vehicle lamp 100 includes a light source section 10, a condenser lens member 20, a light shielding member 30, a projection lens member 40, and a support member 50.

The light source section 10 includes a light source 11 and a substrate 12. The light source 11 is, for example, a semiconductor light source such as an LED. The light source 11 has a light emitting surface 11a that emits light. The light emitting surface 11a is arranged to face the condenser lens 21 of the condenser lens member 20. The light source 11 emits, for example, orange (amber) light from the light emitting surface 11a. The light sources 11 are arranged in a line in the vertical direction when mounted on the vehicle. For example, two light sources 11 are arranged. Note that the arrangement and number of light sources 11 are not limited to the above. Further, the color of the light emitted from the light emitting surface 11a is not limited to orange, and may be other colors such as white.

The light source 11 is mounted on the substrate 12 . Wiring, circuits, etc. for transmitting signals to the light source 11 are formed on the substrate 12 . The substrate 12 is fixed to a base portion 51 of a support member 50, which will be described later.

The condensing lens member 20 includes a condensing lens 21 , a cylindrical portion 22 , and a condensing lens frame 23 . The condensing lens member 20 includes a condensing lens 21, a cylindrical portion 22, and a condensing lens frame 23 formed as one member. The condenser lens member 20 is entirely formed using the material that constitutes the condenser lens 21 . The condenser lens 21 is formed using a material that can transmit the light from the light source 11. Examples of such materials include resin materials such as polycarbonate, but other materials such as acrylic may also be used. In this case, by integrally molding the material constituting the condenser lens 21, the entire condenser lens member 20 can be easily formed. Note that in the condenser lens member 20, at least a portion of the parts different from the condenser lens 21, that is, the cylindrical portion 22 and the condenser lens frame 23, are formed using a different material from the condenser lens 21. Good too.

The condensing lens 21 condenses the light emitted from the light source 11. As shown in FIG. 3, the condensing lens 21 has a first entrance surface 21a, a second entrance surface 21b, a reflection surface 21c, and an exit surface 21d. The first entrance surface 21a is arranged in front of the light source 11. The light emitted forward from the light source 11 enters the first entrance surface 21a.

The second entrance surface 21b is arranged along the outer periphery of the first entrance surface 21a. The light emitted from the light source 11 at an angle with respect to the optical axis AX enters the second entrance surface 21b. In this embodiment, the optical axis direction D is a direction along the optical axis AX. In this embodiment, it is assumed that the optical axis direction D coincides with the front-rear direction.

The reflective surface 21c internally reflects the light incident from the second incident surface 21b.

The exit surface 21d forwardly emits the light that entered from the first entrance surface 21a and the light that entered from the second entrance surface 21b and was internally reflected by the reflective surface 21c.

The cylindrical portion 22 holds the condenser lens 21 . The cylindrical portion 22 is, for example, cylindrical. The cylindrical portion 22 connects the condenser lens 21 and the condenser lens frame 23. The cylindrical portion 22 is provided so as to protrude rearward (toward the light source side) with respect to the condenser lens frame 23 . With this configuration, the condenser lens 21 is placed rearward with respect to the condenser lens frame 23.

The condenser lens frame 23 holds the condenser lens 21 via the cylindrical portion 22 . The condensing lens frame 23 has a flat plate shape. The condensing lens frame 23 has an annular portion 25 that protrudes from the cylindrical portion 22 in the vertical direction, and a band-shaped portion 26 that protrudes from the cylindrical portion 22 in the left-right direction. The annular portion 25 is annularly provided along the outer periphery of the cylindrical portion 22 . The strip portion 26 is provided linearly from the cylindrical portion 22 in the left-right direction. Corners on both sides of the band-shaped portion 26 in the left-right direction have a rounded shape. The strip portion 26 is supported by an end surface 53c of a fixing portion 53 of a support member 50, which will be described later. The strip portion 26 has a positioning opening 26a and a fixing opening 26b. A positioning protrusion 53a of a support member 50, which will be described later, is inserted into the positioning opening 26a. A fixing member 60, which will be described later, is inserted into the fixing opening 26b. The strip portion 26 has contact portions 26c and 26d. The contact portion 26c is arranged along the outer periphery of the positioning opening 26a, and protrudes forward from the strip portion 26. The contact portion 26d is arranged along the outer periphery of the fixing opening 26b and protrudes forward from the strip portion 26. The contact portions 26c and 26d have flat end surfaces in the protruding direction. The condensing lens frame 23 contacts the light shielding member 30 at contact portions 26c and 26d. With this configuration, the positional accuracy of the condenser lens frame 23 can be ensured by appropriately defining dimensions such as the height of the contact portions 26c and 26d in the protruding direction of the strip portion 26.

The light shielding member 30 has a slit forming part 31 and a light shielding frame 32. The light shielding member 30 is formed into a flat plate shape, with a slit forming portion 31 and a light shielding frame 32 as one member. The light blocking member 30 is entirely formed using a material that can block light. Examples of such materials include materials such as metals, but other materials may also be used.

The slit forming portion 31 is provided, for example, in a circular shape. The slit forming part 31 has a slit 33. The slit 33 allows a portion of the light collected by the condenser lens 21 to pass through. For example, three slits 33 are formed in a line in the vertical direction. The number and arrangement of slits 33 are not limited to the above.

The light shielding frame 32 projects linearly from the slit forming portion 31 in the left-right direction. The light-shielding frame 32 has rounded corners on both sides in the left-right direction. The light shielding frame 32 has flat front and rear surfaces. The light shielding frame 32 is supported by the contact portions 26c and 26d of the strip portion 26 of the condenser lens frame 23. The light shielding frame 32 is supported by the contact portions 26c and 26d, so that the light shielding frame 32 has a positioning opening 32a and a fixing opening 32b. A positioning protrusion 53a of a support member 50, which will be described later, is inserted into the positioning opening 32a. A fixing member 60, which will be described later, is inserted into the fixing opening 32b.

The light shielding member 30 is formed to cover the condenser lens 21 of the condenser lens member 20 and the condenser lens frame 23 when viewed from the front. For example, the slit forming part 31 is arranged at a position corresponding to the condenser lens 21 and formed in a shape and size corresponding to the condenser lens 21 . Further, the light-shielding frame 32 is disposed at a position corresponding to the condenser lens frame 23, and is formed in a shape and size corresponding to the condenser lens frame 23. In this embodiment, the light shielding member 30 is formed so that its outer shape matches or almost matches the condensing lens member 20 when viewed from the front. With this configuration, the light that has passed through the condenser lens 21 and the condenser lens frame 23 can be blocked by the light shielding member 30.

The projection lens member 40 includes a projection lens 41, a cylindrical portion 42, and a projection lens frame 43. The projection lens 41 projects the light that has passed through the slit 33 onto the road surface in front of the vehicle to form an irradiation pattern. The projection lens member 40 includes a projection lens 41, a cylindrical portion 42, and a projection lens frame 43 formed as one member. The projection lens member 40 is entirely formed using a material that transmits light. The projection lens 41 is formed using a material that can transmit the light from the light source 11. Examples of such materials include resin materials such as acrylic, but other materials may also be used. In this case, the entire projection lens member 40 can be easily formed by integrally molding the material constituting the projection lens 41. Although the projection lens member 40 is entirely formed of a material different from that of the condensing lens member 20, it may be entirely formed using the same material as the condensing lens member 20. Note that at least a portion of the projection lens member 40 that is different from the projection lens 41, that is, the cylindrical portion 42 and the projection lens frame 43, may be formed using a different material from the projection lens 41.

As shown in FIG. 3, the projection lens 41 has an entrance surface 41a and an exit surface 41b. The light that has passed through the slit 33 is incident on the entrance surface 41a. The output surface 41b outputs the light incident from the input surface 41a forward.

The cylindrical portion 42 holds the projection lens 41. The cylindrical portion 42 is, for example, cylindrical. The cylindrical portion 42 connects the projection lens 41 and the projection lens frame 43. The cylindrical portion 42 is provided so as to protrude forward with respect to the projection lens frame 43. With this configuration, the projection lens 41 is placed in front of the projection lens frame 43.

The projection lens frame 43 holds the projection lens 41 via the cylindrical portion 42 . The projection lens frame 43 has a flat plate shape. The projection lens frame 43 has an annular portion 45 that projects from the cylindrical portion 42 in the vertical direction, and a band-shaped portion 46 that projects from the cylindrical portion 42 in the left-right direction. The annular portion 45 is annularly provided along the outer periphery of the cylindrical portion 42 . The strip portion 46 is provided linearly from the cylindrical portion 42 in the left-right direction. Corners on both sides of the band-shaped portion 46 in the left-right direction have a rounded shape. The strip portion 46 has a positioning opening 46a and a fixing opening 46b. A positioning protrusion 53a of a support member 50, which will be described later, is inserted into the positioning opening 46a. A fixing member 60, which will be described later, is inserted into the fixing opening 46b. The strip portion 46 has contact portions 46c and 46d. The contact portion 46c is arranged along the outer periphery of the positioning opening 46a, and protrudes rearward from the strip portion 46. The contact portion 46d is arranged along the outer periphery of the fixing opening 46b and protrudes rearward from the strip portion 46. The contact portions 46c and 46d have flat end surfaces in the protruding direction. The projection lens frame 43 contacts the light shielding member 30 at contact portions 46c and 46d. With this configuration, the positional accuracy of the projection lens frame 43 can be ensured by appropriately defining dimensions such as the height of the contact portions 46c and 46d in the protruding direction of the strip portion 46.

The support member 50 has a base portion 51, fins 52, and a fixing portion 53. The base portion 51 has a flat plate shape. The base portion 51 has a support surface 51a that supports the light source portion 10. The support surface 51 a is the front surface of the base portion 51 and supports the substrate 12 .

The fins 52 protrude rearward from the base portion 51. A plurality of fins 52 are provided. The fins 52 radiate heat generated in the light source 11.

The fixing part 53 projects forward from the support surface 51a of the base part 51. The fixing part 53 fixes the condenser lens frame 23, the light shielding frame 32, and the projection lens frame 43. The fixing part 53 has a positioning protrusion 53a and a fixing opening 53b. The positioning protrusion 53a and the fixing opening 53b are provided on the front end surface 53c of the fixing part 53.

The positioning protrusion 53a protrudes forward and is provided in the positioning opening 26a provided in the strip 26 of the condenser lens frame 23, the positioning opening 32a provided in the light shielding frame 32, and the strip 46 of the projection lens frame 43. It penetrates the provided positioning opening 46a in the front-rear direction. A fixing member 60, which will be described later, is inserted into the fixing opening 53b.

The end surface 53c is formed into a planar shape, for example. As shown in FIG. 4, the end surface 53c is formed perpendicular or substantially perpendicular to the optical axis AX. In the above-described condensing lens member 20, light shielding member 30, and projection lens member 40, the condensing lens member 20 is supported by the end surface 53c so as to overlap in the optical axis direction D. That is, the end surface 53c becomes a reference surface when supporting the condenser lens member 20, the light shielding member 30, and the projection lens member 40. Since the end surface 53c serving as the reference surface is formed perpendicular or almost perpendicular to the optical axis AX, the condenser lens member 20, the light shielding member 30, and the projection lens member 40 are appropriately arranged along the optical axis AX. can do.

The fixing member 60 fixes the condenser lens frame 23 , the light shielding frame 32 , and the projection lens frame 43 to the fixing part 53 . For the fixing member 60, a fastening member such as a screw is used, for example. The fixing member 60 includes a fixing opening 26b provided in the strip 26 of the condenser lens frame 23, a fixing opening 32b provided in the light shielding frame 32, and a fixing opening provided in the strip 46 of the projection lens frame 43. 46b and is inserted into the fixing opening 53b of the fixing part 53.

Next, an example of the operation of the vehicle lamp 100 configured as described above will be described. FIG. 5 is a diagram showing an example of the operation of the vehicle lamp 100. When the driver performs a predetermined operation such as operating a direction indicator on the vehicle side or operating a hazard switch, the vehicle lamp 100 emits light from the light emitting surface 11a of the light source 11 in response to the operation. .

A portion of the light L emitted from the light emitting surface 11a enters the first entrance surface 21a and the second entrance surface 21b of the condenser lens 21. Of these, the light L1 that has entered the first entrance surface 21a travels inside the condenser lens 21 and is emitted forward from the exit surface 21d. The light L2 that has entered the second entrance surface 21b is reflected forward by the reflection surface 21c, and is emitted forward from the exit surface 21d. Further, a part of the light L emitted from the light emitting surface 11a enters the cylindrical portion 22 or the condensing lens frame 23. The light L3 that has entered the cylindrical portion 22 or the condensing lens frame 23 passes through the cylindrical portion 22 and the condensing lens frame 23 and is emitted forward.

The lights L1 and L2 emitted forward from the emitting surface 21d and the light L3 emitted forward from the cylindrical portion 22 or the condensing lens frame 23 reach the slit forming portion 31 of the light shielding member 30. A portion of the lights L1 and L2 that have reached the slit forming portion 31 pass through the slit 33 of the light shielding member 30, and the remaining light is blocked by the light shielding member 30. Further, the light L3 reaches the light shielding frame 32 of the light shielding member 30 and is blocked by the light shielding frame 32. In this embodiment, the condenser lens member 20 and the light shielding member 30 are provided so that their outer shapes overlap when viewed from the optical axis direction D. Therefore, the light L3 emitted forward from the portion of the condenser lens member 20 other than the condenser lens 21, that is, the cylindrical portion 22 or the condenser lens frame 23, is blocked by the light shielding member 30. Therefore, generation of glare can be prevented.

The lights L1 and L2 that have passed through the slit 33 enter the entrance surface 41a of the projection lens 41, and are emitted from the exit surface 41b toward the front of the vehicle. FIG. 6 is a diagram showing an example of an irradiation pattern formed on a road surface by the vehicle lamp 100. As shown in FIG. 6, the lights L1 and L2 emitted in front of the vehicle form an irradiation pattern P on the road surface in front of the vehicle.

As described above, the vehicle lamp 100 according to the present embodiment includes the light source 11, the condenser lens 21 that condenses the light emitted from the light source 11, and the condenser lens frame 23 that holds the condenser lens 21. A condensing lens member 20 formed as one member, a slit forming part 31 having a slit 33 through which a part of the light condensed by the condensing lens 21 passes, and a light shielding frame 32 holding the slit forming part 31. a light shielding member 30 formed as one member; a projection lens member 40 including a projection lens 41 that projects the light passing through the slit 33 onto the road surface to form an irradiation pattern P; and a support that supports the light source 11. The condenser lens member 20, the light shielding member 30, and the projection lens member 40 are fixed to the support member 50 such that the condenser lens frame 23 and the light shielding frame 32 overlap in the optical axis direction D.

According to this configuration, since the condenser lens frame 23 and the light shielding frame 32 are fixed to the support member 50 so as to overlap in the optical axis direction D, each optical element of the condenser lens member 20, the light shielding member 30, and the projection lens member 40 The number of parts required to fix the members can be reduced. By reducing the number of parts required for fixing, each optical member can be attached with high precision.

In the vehicle lamp 100 according to the present embodiment, the condenser lens member 20 is entirely formed using a material that transmits light, and the light shielding member 30 is a condenser lens 21 of the condenser lens member 20 when viewed from the front. and is formed to cover the condenser lens frame 23. According to this configuration, the entire condensing lens member 20 can be formed using the material that constitutes the lens portion that transmits light. Therefore, the condenser lens member 20 can be formed easily and at low cost. Further, in this configuration, even if the light from the light source 11 passes through a portion of the condenser lens member 20 other than the condenser lens 21, the light can be blocked by the light shielding member 30. Therefore, generation of glare light can be prevented.

In the vehicle lamp 100 according to the present embodiment, the projection lens member 40 includes a projection lens 41 and a projection lens frame 43 that holds the projection lens 41 as one member, and includes a condensing lens member 20, a light shielding member 30, and a projection lens frame 43 that holds the projection lens 41. The projection lens member 40 is fixed to the support member 50 such that the condenser lens frame 23, the light shielding frame 32, and the projection lens frame 43 overlap in the optical axis direction D. According to this configuration, in addition to the condensing lens frame 23 and the light shielding frame 32, the projection lens frame 43 is also fixed to the support member 50 so as to overlap in the optical axis direction D, so each optical member can be attached with high precision. I can do it.

In the vehicle lamp 100 according to the present embodiment, the condenser lens member 20 has the condenser lens 21 disposed behind the condenser lens frame 23 in the optical axis direction, and the projection lens member 40 has the condenser lens 21 located behind the condenser lens frame 23 . In contrast, the projection lens 41 is arranged in front in the optical axis direction. According to this configuration, the condenser lens 21 and the projection lens 41 can be efficiently arranged.

In the vehicle lamp 100 according to the present embodiment, the support member 50 includes a base portion 51 having a support surface 51a that supports the light source 11, and a fixing portion that fixes the condenser lens frame 23, the light shielding frame 32, and the projection lens frame 43. 53, and the fixing portion 53 protrudes from the support surface 51a. According to this configuration, a sufficient space in the support member 50 for arranging the condenser lens 21 can be secured.

In the vehicle lamp 100 according to the present embodiment, the fixing portion 53 is provided with an end surface 53c, which serves as a reference surface for fixing the condenser lens frame 23, the light shielding frame 32, and the projection lens frame 43, at the tip in the protruding direction. is formed perpendicular to the optical axis AX. According to this configuration, the condenser lens member 20, the light shielding member 30, and the projection lens member 40 can be appropriately arranged along the optical axis AX.

The technical scope of the present invention is not limited to the above embodiments, and changes can be made as appropriate without departing from the spirit of the present invention. For example, in the embodiment described above, the entire condenser lens member 20 is formed using a material that transmits light, but the present invention is not limited thereto. The condensing lens member 20 may be configured such that at least the condensing lens 21 is formed using a material that transmits light, and the cylindrical portion 22 and the condensing lens frame 23 are made of a material that does not transmit light. Good too.

Similarly, in the embodiment described above, the entire projection lens member 40 is formed using a material that transmits light. However, the present invention is not limited to this. The projection lens member 40 may be configured such that at least the projection lens 41 is formed using a material that transmits light, and the cylindrical portion 42 and the projection lens frame 43 may be made of a material that does not transmit light.

Further, in the above embodiment, the condenser lens 21 is arranged rearward in the optical axis direction with respect to the condenser lens frame 23 in the condenser lens member 20, and the projection lens 21 is disposed rearward with respect to the projection lens frame 43 in the projection lens member 40. Although the explanation has been given by taking as an example a configuration in which the lens is disposed at the front in the optical axis direction, the present invention is not limited to this. For example, the condenser lens frame 23 and the projection lens frame 43 may have the same thickness as the condenser lens 21 and the projection lens 41, respectively.

Further, in the above embodiment, the configuration in which the fixing portion 53 protrudes from the support surface 51a in the support member 50 has been described as an example, but the present invention is not limited to this. For example, the condenser lens frame 23 may be configured to protrude toward the support surface 51a.

Further, in the above embodiment, the vehicle lamp 100 is arranged at the front of the vehicle M, but the present invention is not limited thereto. The vehicular lamp 100 is configured to be disposed at the rear or side of the vehicle M, and may be configured to form an irradiation pattern on the road surface at the rear or side of the vehicle M.

AX...Optical axis, D...Optical axis direction, L, L1, L2, L3...Light, M...Vehicle, P...Irradiation pattern, 10...Light source section, 11...Light source, 11a...Light emitting surface, 12...Substrate, 20... Condensing lens member, 21... Condensing lens, 21a... First incident surface, 21b... Second incident surface, 21c... Reflecting surface, 21d, 41b... Outgoing surface, 22, 42... Cylindrical portion, 23... Condensing lens Frame, 25, 45... Annular part, 26, 46... Band-shaped part, 26a, 32a, 46a... Positioning opening, 26b, 32b, 46b, 53b... Fixing opening, 26c, 26d, 46c, 46d... Contact part , 30... Light blocking member, 31... Slit forming part, 32... Light blocking frame, 33... Slit, 40... Projection lens member, 41... Projection lens, 41a... Incident surface, 43... Projection lens frame, 50... Support member, 51... Base part, 51a...Supporting surface, 52...Fin, 53...Fixing part, 53a...Positioning protrusion, 53c...End surface, 60...Fixing member, 100...Vehicle lamp

Claims (6)

a light source and
a condensing lens member in which a condensing lens that condenses light emitted from the light source and a condensing lens frame that holds the condensing lens are formed as one member;
a light shielding member in which a slit forming part having a slit through which a part of the light collected by the condensing lens passes and a light shielding frame holding the slit forming part are formed as one member;
a projection lens member formed with a projection lens that projects the light that has passed through the slit onto a road surface to form an irradiation pattern;
a support member that supports the light source;
The condenser lens member, the light shielding member, and the projection lens member are fixed to the support member such that the condenser lens frame and the light shielding frame overlap in the optical axis direction. The condenser lens member is entirely formed using a material constituting the condenser lens,
The vehicular lamp according to claim 1, wherein the light shielding member is formed to cover the condenser lens and the condenser lens frame of the condenser lens member when viewed from the front. In the projection lens member, the projection lens and a projection lens frame holding the projection lens are formed as one member,
The condenser lens member, the light shielding member, and the projection lens member are fixed to the supporting member such that the condenser lens frame, the light shielding frame, and the projection lens frame overlap in the optical axis direction. Vehicle lights listed. The condensing lens member is arranged such that the condensing lens is arranged rearward in the optical axis direction with respect to the condensing lens frame,
The vehicular lamp according to claim 3, wherein in the projection lens member, the projection lens is arranged in front of the projection lens frame in the optical axis direction. The support member has a base portion having a support surface that supports the light source, and a fixing portion that fixes the condenser lens frame, the light shielding frame, and the projection lens frame,
The vehicle lamp according to claim 4, wherein the fixing portion protrudes from the support surface. The fixing part is provided with an end surface serving as a reference surface for fixing the condensing lens frame, the light shielding frame, and the projection lens frame at the tip in the protruding direction,
The vehicular lamp according to claim 5, wherein the end face is formed perpendicular to the optical axis direction.

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