JP6795754B2 - Lighting equipment and door lining - Google Patents

Description

The present invention relates to a lighting device and a door lining , and more particularly to a lighting device having a structure in which a light guide body for transmitting light from a light emitting unit is held by a holder and a door lining provided with the lighting device .

The lighting device used in the vehicle may be attached to a door lining, a center console, or the like to enhance the decorativeness in the vehicle. An example of such a lighting device is the lighting device described in Patent Document 1. The lighting device described in Patent Document 1 is a vehicle lighting device, and is attached at a predetermined position while holding a light source, a light guide body (specifically, a light guide rod) that transmits light from the light source, and these. It has a lighting device main body (hereinafter, simply referred to as a main body).

Japanese Unexamined Patent Publication No. 2011-121503

In the lighting device described in Patent Document 1, the light guide body is attached to the main body portion by sandwiching the light guide body between the cover member assembled to the main body portion and the main body portion. More specifically, the cover member and the main body portion sandwiching the end portion in the extension direction of the light guide body elongated along a predetermined direction are engaged at a position outside the end portion in the extension direction of the light guide body. Is supposed to do. Therefore, in the lighting device described in Patent Document 1, the length of the cover member in the extension direction of the light guide body is relatively long, and the lighting device including the cover member is enlarged by that amount.

Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to provide a lighting device capable of holding a light guide body in a more compact structure.

According to the lighting device of the present invention, the subject is to hold the light emitting portion, the light guide body extending linearly, and the light guide body in a state where the light guide body faces the light emitting portion. The holder is engaged with the light guide body in a state of sandwiching the held portion in the first direction intersecting the extension direction of the held portion held by the holder. The two sandwiching portions are provided, and the two sandwiching portions are engaged at positions adjacent to the held portion in a second direction intersecting both the extension direction and the first direction, and the two sandwiching portions are engaged with each other. One is connected to the other by a hinge and is rotatable with respect to the other, and the rotation axis when one of the two sandwiching portions rotates with respect to the other is along the extension direction. The holder includes a fixing portion formed for fixing the holder to a fixed position, and the fixing portion is provided on a side opposite to the side where the rotation shaft is located in the second direction. It will be solved by doing.
Further, according to the lighting device of the present invention, the problem is that the light emitting portion, the light guide body extending linearly, and the light guide body in a state where the light guide body faces the light emitting portion. The holder has a holder for holding the light guide body, and the holder is engaged in a state of sandwiching the held portion in the first direction intersecting the extension direction of the held portion held by the holder. The two sandwiched portions are provided with two fitting portions, and the two sandwiched portions are engaged at positions adjacent to the held portion in a second direction intersecting both the extension direction and the first direction, and the light emitting portion is The holder comprises a light source and a condensing lens that condenses the light emitted from the light source, the holder has a wall on which an opening is formed, and the opening is reduced in diameter as the distance from the condensing lens increases. The two sandwiched portions are engaged with each other with the held portion sandwiched so that the end surface of the held portion faces the condensing lens through the opening. Is solved by.
Further, in the above-mentioned lighting device, it is preferable that a gap is formed in the second direction between the sandwiched portion that positions the held portion among the two sandwiched portions and the held portion.

In the lighting device of the present invention configured as described above, the two sandwiched portions included in the holder are engaged in a state of sandwiching the held portion in the first direction intersecting the extension direction of the held portion of the light guide body. It fits. As a result, the holder holds the light guide body. The two sandwiched portions are engaged at positions adjacent to the held portion in the second direction intersecting both the extension direction and the first direction of the held portion. If the two sandwiched portions are engaged with each other at the side position of the light guide body as described above, each sandwiched portion can be made more compact. As a result, the holder has a more compact structure.

Further, in the above-mentioned lighting device, it is preferable that one of the two sandwiching portions is connected to the other by a hinge and is rotatable with respect to the other.
In the above configuration, since the two sandwiched portions are connected by a hinge, the sandwiched portions can be easily handled (particularly, the sandwiched portions are engaged with each other) as compared with the configuration in which the sandwiched portions are separated. ..

Further, in the above-mentioned lighting device, it is preferable that the rotation axis when one of the two sandwiching portions rotates with respect to the other is along the extension direction.
In the above configuration, the rotation axis when one of the sandwiched portions rotates is along the extension direction of the held portion of the light guide body. With such a configuration, it becomes easier to engage the two sandwiched portions at the side positions of the light guide body.
Further, in the above-mentioned lighting device, the holder includes a holder body to which the light emitting portion is assembled, and in a state where the two sandwiching portions are engaged, one of the two sandwiching portions and the holder body It is preferable that a gap is formed between the holders, a part of the held portion is exposed through the gap, and the holder body and the two sandwiched portions are integrated.

Further, in the above-mentioned lighting device, one of the two sandwiching portions is connected to the other by a hinge and is rotatable with respect to the other, and one of the two sandwiching portions rotates with respect to the other. It is preferable that the rotating shaft when moving is along the extending direction, and the fixing portion is provided on the side opposite to the side where the rotating shaft is located in the second direction.
In the above configuration, a fixing portion of the holder is provided at a position opposite to the rotation shaft when one of the sandwiched portions rotates. With such a configuration, it is possible to prevent the rotating shaft from interfering with the fixed portion.

Further, in the above-mentioned lighting device, it is preferable that the holder includes a holder main body to which the light emitting portion is assembled, and the holder main body and the two sandwiching portions are integrated.
In the above configuration, since the holder body and the two sandwiching portions are integrated, the number of parts is smaller than that in the configuration in which each is separated.

Further, in the above-mentioned lighting device, it is preferable that the outer periphery of the held portion is surrounded by the two sandwiching portions in a state where the holder holds the light guide body.
In the above configuration, since the outer periphery of the held portion of the light guide body is surrounded by the two sandwiched portions, it is possible to stabilize the holding state of the held portion. Further, since the outer circumference of the held portion is surrounded by the two sandwiched portions, it is possible to suppress the leakage of light from the held portion. As a result, the light is efficiently transmitted in the light guide.

Further, in the above-mentioned lighting device, the holder includes a holder main body to which the light emitting unit is assembled, and the light emitting unit includes a light source and a condensing lens that collects light emitted from the light source. The holder body has a wall in which an opening is formed, and the two sandwiching portions sandwich the held portion so that the end face of the held portion faces the condensing lens through the opening. It is preferable to engage with.
In the above configuration, when the held portion is sandwiched between the two sandwiched portions, the end surface of the held portion faces the condenser lens through the opening. With such a configuration, the light guide can be held by the holder in a state where the light emitted from the condenser lens can be captured well.

Further, in the above lighting device, one of the two sandwiched portions has a claw-shaped engaging portion that engages with the other engaged portion, and the other of the two sandwiched portions is the engaged portion. It is preferable that the portion has a portion and a positioning portion for positioning the held portion at a position where the end surface abuts against the wall, and the engaged portion is provided on the outer peripheral surface of the positioning portion.
In the above configuration, the held portion is positioned so that the end face of the held portion abuts against the wall of the holder (the wall on which the opening is formed), and then the held portion is sandwiched between the two sandwiched portions. Engage the sandwiched parts with each other. That is, with the above configuration, it is possible to engage the sandwiched portions with each other after appropriately positioning the held portions.

Further, in the above-mentioned lighting device, one of the two sandwiched portions has a convex portion formed on a surface facing the held portion, and the two sandwiched portions sandwich the held portion. The convex portion is in contact with the held portion and presses the held portion, and one of the two sandwiching portions has a claw-shaped engaging portion that engages with the other engaged portion. At the end of the engaged portion in the extension direction, the engaged portion is engaged with the engaged portion and is in contact with the engaged portion to lock the engaged portion. It is preferable that a stop portion is provided .
In the above configuration, when the two sandwiched portions sandwich the held portion of the light guide body, the convex portion provided on one of the sandwiched portions comes into contact with the held portion and presses the held portion. As a result, it is possible to prevent the held portion in the state of being sandwiched between the two sandwiched portions from coming off.

In the configuration above SL, engaging portions provided on one of the pinching portion, when engaged with the engaged portion provided in the other of the nipping portion, which is formed on the end portion of the engaging portion engaged The engaged portion is locked by the stop portion. As a result, it is possible to prevent the engaging portion and the engaged portion from being displaced from each other in the extension direction of the held portion of the light guide body.
Further, it is preferable that the above-mentioned lighting device is provided in the door lining.

According to the present invention, by engaging the two sandwiched portions at the side positions of the light guide body, it is possible to make each sandwiched portion more compact and to make the structure of the holder smaller.
Further, according to the present invention, since the two sandwiching portions are connected by a hinge, the handling of the sandwiched portions (particularly, engaging the sandwiched portions with each other) becomes easy.
Further, according to the present invention, since the rotation axis when one of the sandwiched portions rotates is along the extension direction of the held portion of the light guide body, the two sandwiched portions are placed at the side positions of the light guide body. It will be easier to engage.
Further, according to the present invention, since the holder fixing portion is provided at a position opposite to the rotating shaft when one of the sandwiched portions rotates, the rotating shaft interferes with the fixed portion. Can be suppressed.
Further, according to the present invention, since the holder main body and the two sandwiching portions are integrated, the number of parts is smaller than that in the configuration in which each is separated.
Further, according to the present invention, since the outer periphery of the held portion of the light guide body is surrounded by the two sandwiched portions, the holding state of the held portion is stabilized and light leakage from the held portion is prevented. It becomes possible to suppress.
Further, according to the present invention, the held portion sandwiched between the two sandwiched portions faces the condensing lens through the aperture. Therefore, it is possible to hold the light guide in the holder in a state where the light emitted from the condenser lens can be captured well.
Further, according to the present invention, after positioning the held portion so that the end surface of the held portion abuts against the wall of the holder (the wall on which the opening is formed), the held portion is placed between the two sandwiched portions. It is possible to sandwich and engage the sandwiched portions with each other.
Further, according to the present invention, the convex portion provided in one of the sandwiched portions comes into contact with the held portion of the light guide and presses the held portion, so that the held portion sandwiched between the two sandwiched portions. It is possible to prevent the light from coming out.
Further, according to the present invention, it is possible to appropriately suppress the displacement of the engaging positions between the sandwiched portions by the locking portion.

It is a figure which shows the use example of the lighting apparatus of this invention. It is a perspective view of the illuminating device, and is the figure when the illuminating device is viewed from the oblique side. It is a perspective view of the illuminating device, and is the figure when the illuminating device is viewed from diagonally below. It is a figure when the lighting device is seen from below. It is the figure when the lighting device is seen from the side. It is a perspective view of the light emitting part, and is the figure when the light emitting part is seen from the oblique side. It is a figure when the light emitting part is seen from below. It is a perspective view which shows the light emitting part main body, and is the figure when the light emitting part main body is seen from the oblique side. It is a figure which shows the holder in the released state. It is a figure which shows the holding state of the light guide body, and is the figure which shows the AA cross section in FIG. It is a figure which shows the convex part provided in one sandwiched part.

Hereinafter, an embodiment of the present invention (the present embodiment) will be described with reference to the drawings as appropriate. It should be noted that the embodiments described below are for facilitating the understanding of the present invention and do not limit the present invention. That is, the present invention can be modified and improved without deviating from the gist thereof, and it goes without saying that the present invention includes an equivalent thereof.

Further, in the following description, the three directions orthogonal to each other will be referred to as "X direction", "Y direction" and "Z direction". Here, the "Y direction" corresponds to the "extension direction of the held portion of the light guide body" in the present invention. Further, the "Z direction" corresponds to the "direction intersecting the extension direction of the held portion of the light guide body" in the present invention, that is, the "first direction". Further, the "X direction" corresponds to the "direction intersecting both the extension direction and the first direction of the held portion of the light guide body" in the present invention, that is, the "second direction". In addition, in each of FIGS. 2 to 15, the corresponding direction (direction that can be illustrated in each figure) is shown among the above three directions.

<< Outline of the lighting device according to this embodiment >>
First, an outline of the lighting device according to the present embodiment will be described. In the following, the lighting device according to the present embodiment will be described by taking as an example a lighting device used as an interior part (decorative part) for a vehicle. However, the lighting device of the present invention is not limited to those used as interior parts for vehicles, and may be used as exterior parts for vehicles, or are used for vehicles other than vehicles. It may be a thing.

As shown in FIG. 1, the lighting device according to the present embodiment (hereinafter referred to as the device 10) is used as a component constituting the vehicle door lining 1. More specifically, the present device 10 constitutes the vehicle door lining 1 together with the base trim 2 and the panel trim 3. Further, the present device 10 is arranged on the back side of the base trim 2 in the vehicle door lining 1. More specifically, the present device 10 is fixed to the inner panel (not shown) of the door on the back side of the base trim 2 by fasteners such as bolts.

The device 10 includes a light source and an optical fiber as a light guide. The optical fiber receives the light emitted from the light source and transmits the light along the fiber wiring direction (the direction in which the optical fiber is distributed). Further, the optical fiber is accommodated in the accommodating groove 4 formed on the surface of the base trim 2 and is arranged along the accommodating groove 4.

As shown in FIG. 1, the upper end portion of the panel trim 3 is located at a position facing the accommodation groove 4 in the vehicle door lining 1. A certain gap (gap) is provided between the portion of the base trim 2 in which the accommodating groove 4 is formed and the upper end portion of the panel trim 3. Then, the light emitted from each part of the optical fiber is emitted toward the vehicle interior through the above gap.

As described above, the present device 10 distributes the light transmitted through the optical fiber through the gap formed between the base trim 2 and the panel trim 3. As a result, in the vehicle door lining 1, light is emitted along the wiring direction of the optical fiber (in other words, the formation direction of the gap described above). As a result, the interior of the vehicle is illuminated, and the decorativeness (design) of the vehicle door lining 1 is improved.

<< Configuration example of lighting device >>
Next, as a configuration example of the lighting device, the configuration of the lighting device 10A according to the first embodiment will be described. Here, the lighting device 10A corresponds to the device 10 (that is, the lighting device of the present invention).

The lighting device 10A adopts the configuration shown in FIGS. 2 to 5, and more specifically, the lighting device 10A has a light emitting unit 20 shown in the figure, an optical fiber 30 as a light guide, and a holder 40. .. The light emitting unit 20 has a light source and is assembled to the holder 40 (strictly speaking, the holder main body 41). The optical fiber 30 is a linearly extended member and has the same configuration as a general optical fiber. That is, the optical fiber 30 is composed of a core and a clad, and its cross section is substantially circular.

The holder 40 is a component that holds the optical fiber 30 in a state where the optical fiber 30 faces the light emitting unit 20. Further, the holder 40 has the end portion of the optical fiber 30 as the held portion 31, and holds the held portion 31.

By the way, as shown in FIGS. 2 and 5, a shrink band 32 is fitted to the outer peripheral portion of the end portion of the optical fiber 30 serving as the held portion 31. The shrink band 32 is a tubular rubber band that covers the outer peripheral portion of the end portion of the optical fiber 30. Then, the frictional resistance between the held portion 31 and the holder 40 increases by fitting the shrinkage band 32 to the outer peripheral portion of the end portion of the optical fiber 30. As a result, the held portion 31 of the optical fiber 30 held in the holder 40 is hard to come off from the holder 40. Further, by covering the outer peripheral portion of the terminal portion of the optical fiber 30 with the shrinkage band 32, the leakage of light at the terminal portion is suppressed.

The holder 40 itself is fixed by fixing a fixing portion 42 provided at an end portion (strictly speaking, one end portion in the X direction) of the holder 40 to the inner panel of the vehicle door.

Hereinafter, detailed configurations of the light emitting unit 20 and the holder 40 according to the first embodiment will be described with reference to FIGS. 2 to 5 and 6 to 11 described above.

(Light emitting unit 20)
Explaining the configuration of the light emitting unit 20, the light emitting unit 20 has the outer shape shown in FIG. More specifically, the light emitting unit 20 has a substantially rectangular parallelepiped outer shape, and has a base portion 21 and a light emitting unit main body 22 as shown in FIG. The base 21 is a resin part, and the light emitting portion main body 22 is attached as shown in FIG. Further, the base portion 21 is assembled to the holder 40 (strictly speaking, the holder main body 41) as shown in FIGS. 2 to 5.

Explaining the base portion 21 in detail, as shown in FIGS. 6 and 7, the base portion 21 has a structure in which two rectangular parallelepiped portions having different heights (lengths in the Y direction) are connected in the X direction. In the following, a portion of the base portion 21 having a lower height will be referred to as a low-profile portion 21F, and a portion having a higher height will be referred to as a tall portion 21R.

As shown in FIGS. 2 and 3, the low profile portion 21F is housed in the holder main body 41 in a state where the light emitting portion 20 is assembled to the holder 40. More specifically, a coupling projection 21a for snap fitting is formed on the side surface of the low profile portion 21F. Then, when the light emitting portion 20 is assembled to the holder 40, the low profile portion 21F is housed in the storage space provided in the holder body 41, and the coupling projection 21a engages with the coupling hole 41c formed in the holder body 41. To do. As a result, the low profile portion 21F of the base portion 21 is coupled to the holder body 41 by a snap-fit method. As a result, the light emitting unit 20 is assembled to the holder body 41.

The tall portion 21R has a square tube shape. Further, as shown in FIGS. 2 and 3, the tall portion 21R protrudes outside the holder main body 41 without being housed in the holder main body 41 in a state where the light emitting portion 20 is assembled to the holder 40. Further, the tall portion 21R is to be assembled to a power connector (not shown), and specifically, the power connector is inserted into the square tubular tall portion 21R.

As for the method of assembling the light emitting portion 20 to the holder 40, a snap-fit coupling method using the coupling projection 21a and the coupling hole 41c is adopted, and the uneven fitting is further utilized. More specifically, as shown in FIGS. 6 and 7, a convex protrusion 21b is provided on the surface of the base 21 on which the coupling protrusion 21a is formed. The convex protrusions 21b are provided on both sides of the coupling protrusions 21a in the X direction, and extend somewhat longer along the Y direction. On the other hand, as shown in FIG. 3, a slit 41a is formed in the side wall portion of the holder main body 41 in which the coupling hole 41c is formed. The slits 41a are formed on both sides of the coupling hole 41c in the X direction, and are formed somewhat longer along the Y direction.

Then, when the light emitting portion 20 is assembled to the holder 40, the coupling projection 21a engages with the coupling hole 41c, and each convex projection 21b fits into the corresponding slit 41a. As a result, the light emitting unit 20 is more firmly assembled to the holder body 41.

In the holder body 41, a rib 41b for reinforcement is provided on the side wall portion where the slit 41a is formed as shown in FIGS. 3 and 4. One rib 41b is erected on each side of each slit 41a in the X direction.

The light emitting unit main body 22 is an optical main part of the light emitting unit 20, and has an LED substrate 23 and a condenser lens 24 as shown in FIG. The LED substrate 23 corresponds to a light source, includes an LED (not shown), and causes the LED to emit light when power is supplied. As shown in FIG. 8, the LED substrate 23 is provided with a terminal 23a for receiving power. The terminal 23a is located in the tall portion 21R of the base 21 when the light emitting portion main body 22 is attached to the base 21. As a result, when the tall portion 21R is assembled to the power connector, the terminal 23a is connected to the power connector in the tall portion 21R.

The condensing lens 24 is superposed on the LED substrate 23 and condenses the irradiation light from the LED. The condenser lens 24 protrudes in a mountain shape in the Y direction from the flat plate-shaped base portion 24a, and has a constricted shape toward the top thereof. The condenser lens 24 is integrally molded with the base portion 24a. Incidentally, the materials of the condenser lens 24 and the base portion 24a are not particularly limited as long as they have a condenser property.

Then, as shown in FIG. 6, the light emitting unit main body 22 is attached to the base portion 21, and specifically, the light emitting unit main body 22 is fitted into a recess formed in the end surface of the base portion 21 in the Y direction. In the state where the light emitting portion main body 22 is assembled to the base portion 21, as shown in FIGS. 6 and 7, the top portion of the condenser lens 24 is on the outside in the Y direction (the side opposite to the side where the base portion 21 is located). It is suitable.

(Holder 40)
Explaining the configuration of the holder 40, the holder 40 is a resin molded product and has the appearance shown in FIG. 9 in the open state in which the optical fiber 30 is not fixed. Further, as shown in the figure, the holder 40 has a holder main body 41, a fixing portion 42, a raised wall 43 as a wall, and two sandwiching portions 44 and 45. The above-mentioned holder 40 parts (specifically, the holder body 41, the fixing part 42, the raised wall 43, and the two sandwiching parts 44, 45) are all in an integrated state, in other words, one component. It is resin-molded as. However, the present invention is not limited to this, and each part of the holder 40 may be formed as a separate part, and these parts may be combined to form one holder 40.

The holder body 41 is a portion to which the light emitting portion 20 (strictly speaking, the low profile portion 21F of the base portion 21) is attached. Specifically, the holder main body 41 is composed of a substantially rectangular bottom wall portion and a side wall portion erected from the bottom wall portion. The side wall portion constituting the holder main body 41 is formed along two long sides and one short side among the four sides corresponding to the outer edges of the bottom wall portion. The slit 41a and the coupling hole 41c described above are formed on the side wall portion, and ribs 41b are formed at both side positions of the slit 41a.

Then, the base portion 21 is accommodated in a space (accommodation space) surrounded by the bottom wall portion and the side wall portion. As shown in FIGS. 2 and 3, one end of the accommodation space (one end in the X direction) is not provided with a side wall and is an open end. Therefore, the light emitting portion 20 is attached to the holder main body 41 in a state where a part of the base portion 21 (specifically, the tall portion 21R) protrudes out of the accommodation space through the above-mentioned opening end.

Further, the light emitting unit 20 is attached to the holder body 41 with the top of the condensing lens 24 facing the bottom wall of the holder body 41. More specifically, as shown in FIGS. 2 and 9, a part of the bottom wall portion is raised in a columnar shape to form a raised wall 43. Then, as shown in FIG. 10, the top of the condensing lens 24 is inserted inside the raised wall 43 in a state where the light emitting portion 20 is attached to the holder main body 41.

On the other hand, as shown in FIG. 10, a through-hole-shaped opening 43h is formed in the outermost portion of the raised wall 43 in the Y direction (the side opposite to the side where the light emitting portion 20 is located). .. The top of the condenser lens 24 faces the above-mentioned opening 43h in a state where the light emitting portion 20 is attached to the holder main body 41. Therefore, the light emitted from the condenser lens 24 passes through the opening 43h.

As shown in FIG. 10, the opening 43h has a tapered circular hole, and the diameter is reduced as the distance from the condenser lens 24 increases.

The fixing portion 42 is a portion formed for fixing the holder 40 to a predetermined fixing position (specifically, the inner panel of the door). The fixing portion 42 projects in a tongue shape along the same direction from the end portion of the holder main body 41 in the X direction. Further, as shown in FIGS. 4 and 9, a circular hole as a bolt insertion hole is formed in the central portion of the fixing portion 42. The holder 40 is fixed at a predetermined position on the inner panel by screwing the bolt inserted into the bolt insertion hole into a hole (not shown) provided in the inner panel of the door.

The two sandwiching portions 44 and 45 are portions of the holder 40 that hold the end portion of the optical fiber 30, that is, the held portion 31. Specifically, as shown in FIGS. 2 and 5, the two sandwiching portions 44 and 45 are engaged with the held portion 31 sandwiched in the Z direction. By being sandwiched between the two sandwiched portions 44 in the engaged state in this way, the held portion 31 of the optical fiber 30 is held by the holder 40.

Hereinafter, the details of the two sandwiching portions 44 and 45 will be described. As shown in FIGS. 2 and 9, the two sandwiching portions 44 and 45 are provided at a position in front of the raised wall 43 in the Y direction (a position opposite to the light emitting portion 20 when viewed from the raised wall 43). Further, one sandwiching portion 44 and the other sandwiching portion 45 are connected by a hinge. Therefore, one sandwiching portion 44 is rotatable with respect to the other sandwiching portion 45. More specifically, one of the sandwiched portions 44 is shown in FIG. 9 by rotating around a rotation axis (strictly speaking, a connecting portion 49 between the sandwiched portions 44 and 45) along the Y direction. It is possible to move between the release position of and the holding position shown in FIGS. 2 and 5.

The rotation axis when one of the sandwiched portions 44 rotates, that is, the connecting portion 49 between the sandwiched portions 44, 45 is on the opposite side of the fixed portion 42 in the X direction, as shown in FIGS. 2 and 9. Located in. In other words, the fixing portion 42 is provided on the side opposite to the side where the rotation shaft is located in the X direction. Due to such a positional relationship, the interference between the rotating shaft and the fixed portion 42 is appropriately suppressed.

Further, one of the sandwiching portions 44 is bent in an L shape, and an engaging claw 46 is provided at the tip portion of the short side portion thereof. The engaging claw 46 corresponds to an engaging portion and has a certain width in the Y direction. The other sandwiching portion 45 is provided with a protrusion 48 that engages with the engaging claw 46 at the end portion in the X direction (the end portion opposite to the connecting portion 49). The protrusion 48 corresponds to the engaged portion and has a certain width in the Y direction like the engaging claw 46.

Then, when one sandwiching portion 44 rotates with respect to the other sandwiching portion 45 and reaches the holding position shown in FIG. 5, the engaging claw 46 engages with the protrusion 48. In this way, the two sandwiching portions 44, 45 are engaged with each other. At this time, if the held portion 31 of the optical fiber 30 is arranged between the sandwiched portions 44 and 45, the held portion 31 is sandwiched between the two sandwiched portions 44 and 45 in the Z direction, and the sandwiched portion 44, It will be held between 45.

As shown in FIGS. 2 and 5, the two sandwiched portions 44 and 45 are located adjacent to the held portion 31 in the X direction, and more precisely, the sandwiched portions 44 and 45 are viewed from the held portion 31. It engages at a position adjacent to the held portion 31 on the side opposite to the connecting portion 49 of. By engaging the two sandwiched portions 44, 45 at the side positions of the optical fiber 30 in this way, the sandwiched portions 44, 45 have a more compact structure.

More specifically, with the above configuration, it is possible to minimize the length required for sandwiching the optical fiber 30 with respect to the dimensions (particularly, the length in the Y direction) of the sandwiching portions 44 and 45. Become. As a result, the sandwiched portions 44 and 45 become more compact, and the holder 40 becomes smaller.

By the way, the two sandwiching portions 44 and 45 are connected by a hinge as described above. With such a configuration, the handling of the sandwiched portions 44 and 45 (particularly, engaging the sandwiched portions 44 and 45 with each other) becomes easier as compared with the configuration in which the sandwiched portions 44 and 45 are separated from each other. .. However, the present invention is not limited to this, and the two sandwiching portions 44 and 45 may not be connected and may be separated from each other.

Further, the two sandwiching portions 44 and 45 adopt a structure capable of satisfactorily holding the held portion 31 of the optical fiber 30. In the following, the structures of the sandwiched portions 44 and 45 will be described in detail.

As shown in FIG. 11, the one sandwiched portion 44 (L-shaped sandwiched portion 44) has a convex portion 50 formed on a surface facing the held portion 31. The convex portion 50 is composed of protrusions protruding in a substantially rectangular parallelepiped shape. Then, the convex portion 50 is in contact with the held portion 31 and presses the held portion 31 in a state where the two sandwiching portions 44 and 45 sandwich the held portion 31. That is, while the two sandwiched portions 44 and 45 sandwich the held portion 31, the held portion 31 is pressed by the convex portion 50. As a result, it is possible to effectively suppress the situation in which the held portion 31 sandwiched between the two sandwiched portions 44 and 45 comes out.

The top surface of the convex portion 50 is curved in an arc shape as shown in FIG. 11 so that excessive stress is not generated when the held portion 31 is pressed and the held portion 31 is not damaged. Is desirable.

Further, explaining the engaging claw 46 formed in one of the sandwiching portions 44, as shown in FIG. 9, the shape of one end of the engaging claw 46 in the Y direction (the end closer to the holder body 41) is , It is different from the shape of other parts. More specifically, one end of the engaging claw 46 in the Y direction extends in the Z direction more than the other parts. This extended portion is a locking portion 46x formed in a substantially triangular shape.

It is difficult for one end of the engaging claw 46 on which the locking portion 46x is formed in the Y direction to engage with the protrusion 48 formed on the other sandwiching portion 45. Therefore, the engaging claw 46 engages with the protrusion 48 at a portion other than one end.

When the portion of the engaging claw 46 other than one end is engaged with the protrusion 48, the locking portion 46x formed at one end is in contact with the protrusion 48. When the locking portion 46x comes into contact with the protrusion 48 in this way, the locking portion 46x locks the protrusion 48 in the Y direction. Specifically, the protrusion 48 is displaced with respect to the engaging claw 46 in the Y direction (in other words, one sandwiching portion 44 is displaced from the holder body 41 in the Y direction with respect to the other sandwiching portion 45. To move). As a result, the engaging claw 46 comes to engage with the protrusion 48 at an appropriate engaging portion. That is, the locking portion 46x appropriately suppresses the situation in which the engaging claw 46 engages with the protrusion 48 in a state of being displaced from the original engaging portion.

Explaining the structure of the other sandwiched portion 45, as shown in FIGS. 5 and 9, a substantially U-shaped portion is provided at the intermediate position (intermediate position in the X direction) of the sandwiched portion 45. This substantially U-shaped portion corresponds to the positioning portion 47 that positions the held portion 31 when the held portion 31 of the optical fiber 30 is held. The positioning portion 47 is formed so as to extend from the outer surface of the raised wall 43 along the Y direction.

Then, when the held portion 31 is sandwiched between the two sandwiched portions 44 and 45, the held portion 31 is inserted into the inner space of the positioning portion 47 (the space surrounded by the U-shaped positioning portion 47). At this time, the end surface of the held portion 31, that is, the end of the optical fiber 30, is abutted against the surface of the raised wall 43. In such a state, the held portion 31 is positioned by the positioning portion 47. That is, the positioning portion 47 positions the held portion 31 at a position where the end surface of the held portion 31 abuts on the raised wall 43.

Further, when the held portion 31 is positioned at the above position by the positioning portion 47, as shown in FIG. 10, a part of the end face of the held portion 31 abutting on the raised wall 43 is formed on the raised wall 43. It comes to face the opened opening 43h. Further, the top of the condenser lens 24 is located on the side opposite to the held portion 31 with the opening 43h in between. Therefore, when the held portion 31 is positioned by the positioning portion 47, the end surface of the held portion 31 faces the top of the condenser lens 24 through the opening 43h. In other words, the positioning portion 47 positions the held portion 31 at a position where the end surface of the held portion 31 faces the condensing lens 24 through the opening 43h. As a result, the light emitted from the condenser lens 24 is appropriately directed to the end of the optical fiber 30 through the opening 43h.

As shown in FIG. 10, the size of the end of the opening 43h closer to the held portion 31 (specifically, the size of the outer diameter) is the cross-sectional size of the optical fiber 30 (specifically, the outer diameter). It is slightly smaller than the size of the diameter). Therefore, the light emitted from the condenser lens 24 is more appropriately directed to the end of the optical fiber 30. As a result, light is efficiently transmitted in the optical fiber 30.

After the held portion 31 is positioned by the positioning portion 47 as described above, one sandwiching portion 44 rotates with respect to the other sandwiching portion 45, and the two sandwiching portions 44, 45 engage with each other. That is, the two sandwiching portions 44 and 45 are engaged with the held portion 31 sandwiched so that the end surface of the held portion 31 faces the condensing lens 24 through the opening 43h. As a result, the optical fiber 30 is held in the holder 40 in a state where the light emitted from the condenser lens 24 can be captured well.

The protrusion 48 provided on the other sandwiching portion 45 is provided on the outer peripheral surface of the positioning portion 47, as shown in FIGS. 2 and 5. More specifically, the protrusion 48 is formed so as to project in the X direction from the end of the outer circumference of the positioning portion 47, which is located on the side opposite to the connecting portion 49 of the two sandwiching portions 44, 45 in the X direction. Has been done. By providing the protruding portion 48 in the positioning portion 47 in this way, it is possible to engage the sandwiched portions 44 and 45 with each other while the held portion 31 of the optical fiber 30 is still positioned.

Further, in a state where the two sandwiching portions 44 and 45 are engaged, that is, in a state where the optical fiber 30 is held by the holder 40, as shown in FIGS. 2 and 5, the held portion 31 of the optical fiber 30 A part of the outer circumference of the light fiber is surrounded by two sandwiching portions 44, 45. More specifically, in a state where the two sandwiching portions 44 and 45 are engaged, the held portion 31 is housed in the internal space of the positioning portion 47. Further, in a state where the two sandwiching portions 44 and 45 are engaged, as shown in FIGS. 2 and 5, a part of one sandwiching portion 44 (a portion corresponding to the long side of the L shape) is a positioning portion. Of 47, it is in contact with the open end. As a result, a part of the outer circumference of the held portion 31 is surrounded by the one sandwiching portion 44 and the positioning portion 47 of the other sandwiching portion 45.

As described above, a part of the outer circumference of the held portion 31 is surrounded by the two sandwiching portions 44 and 45, so that the holding state of the held portion 31 becomes stable. Further, the leakage of light from the held portion 31 is suppressed, and as a result, the light is efficiently transmitted in the optical fiber 30.

Further, the width of one sandwiched portion 44 (length in the Y direction) is shorter than the width of the positioning portion 47 of the other sandwiched portion 45 (length in the Y direction). More specifically, as shown in FIG. 2, one end of one of the sandwiching portions 44 is located at substantially the same position as one end (free end) of the positioning portion 47 in the Y direction. On the other hand, as shown in the figure, the other end of the one sandwiched portion 44 is located slightly in front of the other end (fixed end) of the positioning portion 47 in the Y direction. In the above configuration, when the two sandwiching portions 44 and 45 are engaged, a gap g is formed between one sandwiching portion 44 and the holder main body 41 (strictly speaking, a raised wall 43) as shown in FIG. Become so.

When the two sandwiching portions 44 and 45 are engaged, the portion of the held portion 31 in the positioning portion 47 that is located near the fixed end of the positioning portion 47 in the Y direction is the gap g. Exposed through. Therefore, it is possible to visually recognize the position and holding state of the held portion 31 (for example, whether or not the end surface of the held portion 31 surely abuts on the raised wall 43) through the gap g.

1 Vehicle door lining 2 Base trim 3 Panel trim 4 Accommodation groove 10 This device (lighting device)
10A Lighting device 10B Lighting device 20 Light emitting part 21 Base 21F Low back part 21R High height part 21a Coupling protrusion 21b Convex protrusion 22 Light emitting part main body 23 LED substrate (light source)
23a Terminal 24 Condensing lens 24a Base part 30 Optical fiber (light guide)
31 Holded part 32 Shrink band 40 Holder 41 Holder body 41a Slit 41b Rib 41c Coupling hole 42 Fixing part 43 Raised wall (wall)
43h Aperture 44 Sandwiched part 45 Sandwiched part 46 Engagement claw (engagement part)
46x Locking part 47 Positioning part 48 Protruding part (engaged part)
49 Connecting part (rotating shaft)
50 convex part g gap

Claims (10)

It has a light emitting portion, a light guide body extending linearly, and a holder for holding the light guide body in a state where the light guide body faces the light emitting portion.
The holder includes two sandwiching portions of the light guide body that engage with the held portion in a first direction intersecting the extension direction of the held portion held by the holder.
The two sandwiching portions are engaged at positions adjacent to the held portion in a second direction intersecting both the extension direction and the first direction.
One of the two sandwiching portions is connected to the other by a hinge and is rotatable with respect to the other.
The rotation axis when one of the two sandwiching portions rotates with respect to the other is along the extension direction.
The holder comprises a fixing portion formed for fixing the holder in a fixed position.
A lighting device characterized in that the fixing portion is provided on a side opposite to the side on which the rotation shaft is located in the second direction. It has a light emitting portion, a light guide body extending linearly, and a holder for holding the light guide body in a state where the light guide body faces the light emitting portion.
The holder includes two sandwiching portions of the light guide body that engage with the held portion in a first direction intersecting the extension direction of the held portion held by the holder.
The two sandwiching portions are engaged at positions adjacent to the held portion in a second direction intersecting both the extension direction and the first direction.
The light emitting unit includes a light source and a condensing lens that collects light emitted from the light source.
The holder has a wall in which an opening is formed.
The aperture is a tapered circular hole whose diameter is reduced as the distance from the condenser lens increases.
The lighting device is characterized in that the two sandwiched portions are engaged with the held portion sandwiched so that the end surface of the held portion faces the condensing lens through the opening. Between the nipping portions with the object holding portion which is for positioning the object to be held portion of the pre-SL two nipping portions, according to claim 1 or 2, characterized in that a gap is formed in said second direction The lighting device described in. The lighting device according to claim 2 or 3, wherein one of the two sandwiching portions is connected to the other by a hinge and is rotatable with respect to the other. The lighting device according to claim 4, wherein the rotation axis when one of the two sandwiching portions rotates with respect to the other is along the extension direction. The light emitting unit includes a light source and a condensing lens that collects light emitted from the light source.
The holder has a wall in which an opening is formed.
The first or third aspect of claim 1 or 3, wherein the two sandwiched portions are engaged with the held portion sandwiched so that the end surface of the held portion faces the condenser lens through the opening. Lighting equipment. The holder includes a holder body to which the light emitting unit is assembled.
In a state where the two sandwiching portions are engaged,
A gap is formed between one of the two sandwiching portions and the holder body.
A part of the held portion is exposed through the gap,
The lighting device according to any one of claims 1 to 6, wherein the holder main body and the two sandwiching portions are integrated. One of the two sandwiching portions has a claw-shaped engaging portion that engages with the other engaged portion.
The other of the two sandwiched portions has the engaged portion and a positioning portion for positioning the held portion at a position where the end surface of the held portion abuts against the wall.
The lighting device according to any one of claims 1 to 7, wherein the engaged portion is provided on the outer peripheral surface of the positioning portion. One of the two sandwiching portions has a convex portion formed on a surface facing the held portion.
In a state where the two sandwiched portions sandwich the held portion, the convex portion contacts the held portion and presses the held portion.
One of the two sandwiching portions has a claw-shaped engaging portion that engages with the other engaged portion.
At the end of the engaged portion in the extension direction, the engaged portion is engaged with the engaged portion and is in contact with the engaged portion to lock the engaged portion. The lighting device according to any one of claims 1 to 8, wherein a stop portion is provided. A door lining provided with the lighting device according to any one of claims 1 to 9.

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