JP2017185972A - Turn lamp for door mirror and door mirror with turn lamp - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a turn lamp for a door mirror which has a light guide member on the inside thereof and an outer lens on the outside thereof, and a door mirror with the turn lamp, with a novel configuration.SOLUTION: A turn lamp for a door mirror for forming a light emission part on a door mirror cover of an automobile door mirror comprises: a light source member 20 having a light source 22; a light guide member 30 which has a light incident part 31 for allowing light from the light source to be incident on one end face, and guides a part of the light from the light source to an emission surface; and a housing 40 for accommodating the light guide member. An insertion piece 38 is provided in the vicinity of the other end of the light guide member. The housing comprises an inserted part 45 into which the insertion piece is inserted to enable positioning of the light guide member.SELECTED DRAWING: Figure 3

Description

  The present invention relates to a door mirror turn lamp and a door mirror with a turn lamp.

  As a door mirror with a turn lamp, it is equipped with a door mirror cover in a door mirror for an automobile and is formed so as to wrap around from the front surface to the outer surface. A door mirror with a side turn lamp is configured to include the formed outer lens and at least one LED mounted on the substrate on the back side of the door mirror cover so as to face the inner end surface of the outer lens (Patent Document 1). ) Has been proposed.

JP 2007-83740 A

  Such a door lamp with a turn lamp is of a type in which light is directly incident on an outer lens.

  An object of the present invention is to provide a door mirror turn lamp having a light guide member on the inner side and an outer lens on the outer side, and a door mirror with a turn lamp in a novel configuration.

  In order to achieve the above-mentioned object, the present invention employs the following means.

In the door mirror turn lamp for forming the light emitting portion on the door mirror cover of the automotive door mirror according to the present invention,
A light source member having a light source;
A light-guiding member that has a light incident portion that makes light from the light source incident on one end surface thereof, and guides a part of the light from the light source to an emission surface;
A housing that houses the light guide member;
With
An insertion piece is provided in the vicinity of the other end of the light guide member,
The housing includes an insertion portion into which the insertion piece can be inserted to position the light guide member.

  By adopting such a configuration, the light guide member arranged on the inner side can fix the other end of the light guide member to the housing by a simple operation of inserting the insertion piece into the insertion portion.

Moreover, in the door mirror turn lamp according to the present invention,
A mounting portion is provided in the vicinity of one end of the light guide member,
The housing may be provided with a fitting claw for fitting the attachment portion. By adopting such a configuration, the other end side can also be fixed by a simple operation of fitting the attachment portion to the fitting claw.

Further, in the door mirror turn lamp according to the present invention,
When the insertion piece of the light guide member is not disposed at an appropriate position with respect to the insertion portion, the attachment portion comes into contact with the fitting claw and the fitting portion becomes the fitting claw. A restriction piece for preventing the fitting may be provided. By adopting such a configuration, when the light guide member is not in an appropriate position with respect to the housing, the insertion piece cannot be attached to the fitting claw by the restriction piece. Therefore, when the light guide member is in an inappropriate position, it is possible to prevent one end side of the light guide member from being fitted into the housing.

Further, in the door mirror turn lamp according to the present invention,
A support projection for supporting the light source member is provided at one end of the light guide member,
The light source member is provided with a fixed portion,
The light source member may be fixed when the fixing portion is supported by the support protrusion when the attachment portion is fitted to the fitting claw. By adopting such a configuration, the light source member can be fixed at the same time only by attaching the light guide member.

Further, in the door mirror turn lamp according to the present invention,
The said insertion part may be formed in the taper shape so that it may become narrow gradually toward the back | inner side, It may be characterized by the above-mentioned. By adopting such a configuration, the insertion piece is inserted into the insertion portion by a certain distance, so that there is no play and it can be positioned at an appropriate position.

Further, in the door mirror turn lamp according to the present invention,
At least a part of the housing is provided with a shielding plate that prevents the internal structure from being visually recognized from the outside. By adopting such a configuration, it is possible to hide internal structures that are not desired to be visually recognized.

Further, in the door mirror turn lamp according to the present invention,
A reflective rib may be provided on the back side of the light guide member. By adopting such a configuration, the light incident from the incident surface of the light guide member can be refracted by the reflecting rib toward the emission surface side and efficiently emitted from the emission surface.

Further, in the door mirror turn lamp according to the present invention,
The other end face light emitting portion may be provided on the other end face of the light guide member. By adopting such a configuration, light can be emitted from the other end face light emitting portion in addition to the emitting surface.

Further, in the door mirror turn lamp according to the present invention,
The vicinity of the other end portion of the light guide member may be formed so as to be gradually thinner toward the other end surface light emitting portion at the front end. By adopting such a configuration, it is possible to concentrate light toward the other end face light emitting portion, and it is possible to emit stronger light.

  Furthermore, the present invention also provides a door mirror with a turn lamp, which is provided with a turn lamp for a door mirror.

FIG. 1 is a perspective view showing a door mirror 110 with a turn lamp according to the embodiment. 2A is a front view of the door mirror turn lamp 100 according to the embodiment, and FIG. 2B is an EE cross-sectional view of FIG. 2A. FIG. 3 is an exploded perspective view of the door mirror turn lamp 100 according to the embodiment. 4A is an enlarged view of a portion H in FIG. 3, and FIG. 4B is an enlarged view showing the back side. FIG. 5 is an enlarged view of a portion F in FIG. FIG. 6 is a diagram illustrating a back side of the outer lens according to the embodiment. FIG. 7 is an enlarged cross-sectional view of the AA portion, the CC portion, and the DD portion of FIG.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The embodiments and drawings described below exemplify a part of the embodiments of the present invention, and are not used for the purpose of limiting to these configurations. Moreover, the same or similar code | symbol is attached | subjected to the corresponding component in each figure. In the following claims and specification, “front”, “back”, “left / right”, and “up / down” indicate directions of arrows in FIG. In addition, since the description of the door lamp 110 with a turn lamp will be made by explaining the door mirror 110 with a turn lamp in the present embodiment, the description of the door mirror 110 with the turn lamp will be replaced with the explanation of the turn lamp 100 with a door mirror. . In this embodiment, the door mirror 110 with a turn lamp attached to the right side of the automobile will be described. However, the door mirror 110 with a turn lamp attached to the left side of the automobile is only reversed left and right, and the other configurations are the same. Since there is, explanation is omitted.

  As shown in FIG. 1, the door mirror 110 with a turn lamp according to the present embodiment includes a door mirror turn lamp 100 having a light emitting portion 11 that emits light from the door mirror cover 10 to the front side, the left side, and the back side (FIG. 2). It has. The door mirror turn lamp 100 is manufactured in a structure that can be attached from the inside of the door mirror cover 10, and mainly, as shown in FIG. 3, A light guide member 30 that guides light to the light exit surface 33 and the other end face light exit portion 32, a housing 40 in which the light source member 20 and the light guide member 30 are disposed inside, a shielding plate 50 for shielding light, a light guide And an outer lens 60 disposed outside the optical member 30.

  The door mirror cover 10 is a member that holds a mirror for visually recognizing the rear side of the automobile. The form of the door mirror cover 10 is not particularly limited, and various forms of the door mirror cover 10 can be used. The door mirror cover 10 according to the present embodiment includes a light emitting portion 11 that is long in a horizontal direction from an arbitrary position on the front surface to the outer surface side.

  The light source member 20 includes a light source 22 and a circuit board 21. In the present embodiment, an LED having a small size, long life, and low power consumption is used as the light source 22. However, the light emitter is not particularly limited. The light source 22 is attached to the circuit board 21, and the circuit board 21 is attached to the housing 40 and emits light to a light incident portion 31 of the light guide member 30 described later. The circuit board 21 is provided with two fixed portions 21 a that are fixed by being supported by the light guide member 30.

  The light guide member 30 is a member made of a transparent material formed in a long shape, and is a member for guiding light from the light source 22 to the light emitting portion 11 side of the door mirror cover 10. As the material, acrylic resin such as polymethyl methacrylate resin, polycarbonate, and cycloolefin resin are preferably used, but the material is not limited thereto. As shown in FIG. 3, the light guide member 30 formed in a long shape has a light incident portion 31 that allows light from the light source 22 to enter one end surface (right end surface), and the other end surface (left end surface). The other end face light emitting portion 32 for emitting light is provided. In the vicinity of the other end of the light guide member 30, as shown in FIG. 2B, the tip of the light guide member 30 gradually becomes thinner toward the other end surface light emitting portion 32 at the tip so that the back side approaches the front side. Is formed. In addition, on the back side of the light guide member 30, a reflection rib 35 is provided in order to easily guide light to the emission surface 33 on the front side. The reflection rib 35 is provided with uneven steps that are substantially parallel to each other. By adopting such a configuration, the light incident from the light incident portion 31 is reflected by the reflecting rib 35, and more light can be emitted to the front side. In this embodiment, as shown in FIG. 2B, the cross-sectional shape of the reflecting rib 35 is provided with a cylindrical recess continuously. However, the present invention is not limited to this, and the reflecting rib 35 is formed in an arc shape or a wave shape. You may form in a triangle so that an edge may have. By providing the cylindrical recess as in this embodiment, light is diffused and reflected in each direction, so that more uniform light can be emitted from the emission surface 33.

  Further, as shown in FIG. 4, a support protrusion 36 that supports and fixes the fixed portion 21 a of the circuit board 21 is provided at one end portion of the light guide member 30 in order to support the light source member 20. Further, in the vicinity of one end portion of the light guide member 30, when the light guide member 30 is positioned in the longitudinal direction on the left side of the support protrusion 36 and is disposed at a predetermined position when being attached to the housing 40. A mounting portion 37 is provided so that only the fixing portion 37 can be fixed. The attachment portion 37 is provided with an attachment piece 37a extending up and down from the light guide member 30 and a regulation piece 37b formed extending on the back side on the inner side, that is, the left side of the attachment piece 37a. . A method for the mounting portion 37 to regulate the light guide member 30 will be described later.

  Further, in the vicinity of the other end portion of the light guide member 30, as shown in FIG. 3, insertion pieces 38 for being inserted and fixed in the housing 40 are provided on both sides. The insertion piece 38 is formed to extend in the vertical direction with respect to the light guide member 30.

  As shown in FIG. 2, the light source member 20 and the light guide member 30 are housed inside the housing 40, and the shielding plate 50 and the outer lens 60 are attached to the front side.

  As shown in FIG. 3, the housing 40 is provided with a light source member first support portion 41 and a light source member second support portion 42 that are positioned by the light source member 20. The light source member first support portion 41 supports the lower side and the left and right sides of the light source member 20, and can be positioned in the vertical and horizontal directions by being inserted from the front side. The light source member second support portion 42 supports the left and right direction of the light source member 20, and can be positioned in the left and right direction by being inserted from the front side.

  Further, when the light guide member 30 is mounted in the housing 40, the mounting portion 37 is sandwiched and fixed to the position adjacent to the mounting portion 37, that is, the left side of the light source member first support portion 41. A fitting claw 43 is provided. The fitting claw 43 fixes the attachment piece 37a of the attachment portion 37 so as to be sandwiched from both sides, and abuts on the restriction piece 37b of the attachment portion 37 when the light guide member 30 is not disposed at an appropriate position. By this, it has the function which prevents that the attachment piece 37a fits in except a suitable position. Details will be described later.

  Further, the housing 40 is provided with an insertion portion 45 that fits into the insertion piece 38 of the light guide member 30. As shown in FIG. 5, the insertion portion 45 has an insertion groove 45 a into which the insertion piece 38 is inserted by sliding the light guide member 30 from right to left. The insertion groove 45a is provided in a so-called taper shape so that the width becomes narrower toward the back side, and the insertion piece 38 is positioned without play in the left-right direction and the back side as it is inserted. Further, the interval between the two inserted portions 45 is formed so as to be gradually narrowed, and the insertion piece 38 is positioned in the vertical direction as it is inserted. That is, the insertion piece 38 is positioned in all directions as it is inserted.

  Further, the housing 40 is provided with a plurality of door mirror fixing portions 49 for attaching to the door mirror cover 10.

  The shielding plate 50 covers the support protrusions 36 and the attachment portions 37 of the light source member 20 and the light guide member 30 so that they cannot be seen from the outside. The shielding plate 50 is made of a non-transmissive material capable of shielding light. The method for fixing the shielding plate 50 to the housing 40 is not particularly limited, and may be screwed or the like. In this embodiment, it is produced so that it can be fixed with a hook.

  The outer lens 60 is a member that covers the front side of the housing 40, and a part of the outer lens 60 is exposed from the door mirror cover 10 to form the light emitting portion 11 that emits light to the front side and the back side. Therefore, at least a portion of the light emitting portion 11 is formed to be transparent or translucent. Of course, the entire outer lens 60 may be formed to be transparent or translucent. The color may be colorless or colored. The light emitting portion 11 has a convex portion so that it can be fitted into the door mirror cover 10. The light emitting portion 11 may be formed so as to have a lens effect, or a reflecting rib 63 may be formed on the back surface side of the light emitting portion 11 as shown in FIG. Light from the other end surface light emitting portion 32 of the light guide member 30 is incident on the other end portion side of the outer lens 60, and light is emitted to the rear side when attached to the door mirror cover 10. A portion 61 is provided. The back side light emitting part 61 has a step so that a surface can be efficiently emitted to the back side.

  The light source member 20, the light guide member 30, the housing 40, the shielding plate 50, and the outer lens 60 configured as described above are assembled as follows.

  First, as shown in FIG. 3, the light source member 20 is vertically fitted into the housing 40. Thereby, the light source member 20 is positioned in the left-right direction and the up-down direction. At this stage, positioning in the front side direction is not performed, and it can be easily removed.

  Next, the insertion piece 38 on the other end side of the light guide member 30 is inserted into the housing 40 so as to slide into the insertion groove 45 a of the insertion portion 45. As described above, by inserting the insertion piece 38 deeply, the other end of the light guide member 30 is positioned in the vertical direction, the front and back directions, and the left direction. As shown in FIG. 7A, it can be seen that the gap is eliminated and the insertion piece is fixed by inserting the insertion piece to the left side.

  Next, one end of the light guide member 30 is fitted into the housing 40. At this time, when the insertion piece 38 at the other end of the light guide member 30 is not inserted to an appropriate position (that is, when the light guide member 30 is disposed slightly to the right of the original position), Even if the one end is pushed into the housing 40, the restricting piece 37 b comes into contact with the fitting claw 43 of the housing 40 and cannot be fitted. If the restricting piece 37b does not exist, the light guide member 30 and particularly the attachment piece 37a can be brought into contact with the light source 22 and damaged even when the light guide member 30 is not inserted to an appropriate position. There is a possibility to make it. However, the presence of the restricting piece 37b can prevent contact with the light source 22, and can prevent the light source 22 from being damaged. When the light guide member 30 is inserted to an appropriate position, the restricting piece 37b moves to the inside of the fitting claw 43 and is pushed in without contacting the fitting claw 43 as shown in FIG. The light guide member 30 is locked by the claw 43 and one end of the light guide member 30 is fixed to the housing 40. In this state, as shown in FIG. 7C, the support protrusion 36 of the light guide member 30 presses the fixed portion 21 a of the circuit board 21 and fixes the light source member 20 to the housing 40.

  Furthermore, the door mirror turn lamp 100 is completed by attaching the outer lens 60 after the shielding plate 50 is attached to the housing 40. The shielding plate 50 and the outer lens 60 also have a function of pressing and fixing the light source member 20 as shown in FIG. 2B.

  The door mirror turn lamp 100 thus completed is attached to the door mirror cover 10 by screws or the like by a door mirror fixing portion 49 provided in the housing 40, whereby the door mirror 110 with turn lamp is completed.

  The door mirror 110 with a turn lamp manufactured in this way is incident from the light incident portion 31 of the light guide member 30 by the light from the light source 22, and a part of the light is reflected directly or by the reflecting rib 35 from the emission surface 33. It is emitted, is incident on the outer lens 60, is emitted from the light emitting unit 11, emits light from the front side of the door mirror 110 with a turn lamp, and allows people around the front or side to visually recognize the position of the door mirror. . Further, a part of the other light is emitted from the other end surface light emitting unit 32, is emitted from the back side light emitting unit 61 of the outer lens 60, emits light to the rear side, and the position of the door mirror to the people around the back Can be visually recognized.

  The present invention is not limited to the above-described embodiments, and can be implemented in various modes as long as they belong to the technical scope of the present invention.

  As shown in the above-described embodiment, the present invention can be used industrially as a lamp provided on a door mirror.

  DESCRIPTION OF SYMBOLS 10 ... Door mirror cover, 11 ... Light emission part, 20 ... Light source member, 21 ... Circuit board, 21a ... Fixed part, 22 ... Light source, 30 ... Light guide member, 31 ... Light incident part, 32 ... Other end surface light emission part , 33 ... emitting surface, 35 ... reflecting rib, 36 ... support protrusion, 37 ... mounting portion, 37a ... mounting piece, 37b ... regulating piece, 38 ... insertion piece, 40 ... housing, 41 ... light source member first support portion, 42 ... light source member second support portion, 43 ... fitting claw, 45 ... inserted portion, 45a ... inserted groove, 49 ... door mirror fixing portion, 50 ... shielding plate, 60 ... outer lens, 61 ... back side light emitting portion 63 ... Rib for reflection, 100 ... Turn lamp for door mirror, 110 ... Door mirror with turn lamp

Claims (10)

In a door mirror turn lamp for forming a light emitting part on a door mirror cover of an automobile door mirror,
A light source member having a light source;
A light-guiding member that has a light incident portion that makes light from the light source incident on one end surface thereof, and guides a part of the light from the light source to an emission surface;
A housing that houses the light guide member;
With
An insertion piece is provided in the vicinity of the other end of the light guide member,
The door mirror turn lamp according to claim 1, wherein the housing includes an insertion portion into which the insertion piece is inserted to position the light guide member. A mounting portion is provided in the vicinity of one end of the light guide member,
The door mirror turn lamp according to claim 1, wherein the housing is provided with a fitting claw for fitting the mounting portion.   When the insertion piece of the light guide member is not disposed at an appropriate position with respect to the insertion portion, the attachment portion comes into contact with the fitting claw and the fitting portion becomes the fitting claw. The turn lamp for a door mirror according to claim 2, further comprising a restriction piece for preventing the fitting. A support projection for supporting the light source member is provided at one end of the light guide member,
The light source member is provided with a fixed portion,
4. The door mirror according to claim 3, wherein when the attachment portion is fitted to the fitting claw, the light source member is fixed by the fixed portion being supported by the support protrusion. 5. Turn lamp.   The door mirror turn lamp according to any one of claims 1 to 4, wherein the inserted portion is formed in a tapered shape so as to be gradually narrowed toward the back side.   The door mirror turn lamp according to any one of claims 1 to 5, wherein at least a part of the housing is provided with a shielding plate that prevents the internal structure from being visually recognized from the outside.   The door mirror turn lamp according to any one of claims 1 to 6, wherein a reflective rib is provided on a back side of the light guide member.   The door mirror turn lamp according to any one of claims 1 to 7, wherein the other end face light emitting portion is provided on the other end face of the light guide member.   9. The door mirror according to claim 1, wherein the vicinity of the other end portion of the light guide member is formed so as to gradually become thinner toward the other end face light emitting portion at the front end. Turn lamp for. A door mirror with a turn lamp comprising the turn lamp for a door mirror according to any one of claims 1 to 9.

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