JP6410910B2 - Lighting device - Google Patents

Description

  The present invention relates to a lighting device including a reflector mounting mechanism.

2. Description of the Related Art Conventionally, a reflector / decorative plate is attached to a lighting device attached to a ceiling in order to assist light source performance or hide a bolt or a connecting portion for attachment.
The reflection plate / decorative plate is attached by a method of attaching with a screw, a method of attaching using elasticity due to a bending characteristic of a V-shaped reflection plate (for example, Patent Documents 1 and 2), or the like.

Japanese Patent Laid-Open No. 06-290612 Japanese Patent No. 2993368 JP 2007-035603 A JP2013-127951A JP 2000-138004 A

However, the method of attaching with screws has a problem that the screws are visible on the design surface.
Moreover, in the method of attaching using the elasticity by a bending characteristic, there exists a subject that attachment parts, such as a space to hook, appear on a design surface. Furthermore, there is a problem that the bending shape is limited, such as narrowing the V-shaped bending angle in order to give elastic force.

  The present invention has been made to solve the above-described problems, and provides a reflector mounting mechanism for a lighting device in which a screw, a mounting portion, or the like does not appear on a design surface and does not require elastic force. With the goal.

  The illuminating device according to the present embodiment includes at least two light sources, a pair of wall portions that surround the longitudinal ends of the two light sources and protrude from an attachment plate portion that is attached to the attached portion, and ends on both sides. A plate portion that is disposed in proximity to each wall portion of the pair of wall portions and reflects light emitted from the two light sources, and the plate portion A reflector provided with a hook portion provided at each end of both ends, and each wall portion of the pair of wall portions includes the end portion of the plate portion of the reflector plate An opening is formed that can be inserted obliquely into the wall and is sandwiched between the two light sources, and the hook is hooked on an edge of the opening in the direction in which the pair of walls protrudes. The reflector mounting mechanism is provided.

  An illuminating device according to the present invention has at least two light sources, a pair of wall portions projecting from a mounting plate portion that surrounds longitudinal end portions of the two light sources and is attached to a mounted portion, and end portions on both sides. Each of the end portions on both sides is disposed close to each wall portion of the pair of wall portions and reflects light emitted from two light sources, and each of the end portions on both sides of the plate portion. And a reflector having a hook portion provided at the end. Each wall portion of the pair of wall portions includes an opening formed so that the end portion of the plate portion of the reflecting plate can be inserted obliquely with respect to the wall portion and sandwiched between two light sources. The hook portion includes a reflector mounting mechanism that is hooked to an edge portion in a direction in which the pair of wall portions of the opening projects. Therefore, according to the illuminating device which concerns on this invention, the longitudinal direction edge part of a some light source and a reflecting plate can be easily covered with a pair of wall part. In the illumination device according to the present invention, the reflection plate covers an attachment portion of the attachment plate portion sandwiched between the two light source portions. Therefore, according to the illuminating device of the present invention, after the reflection plate is removed and the attachment plate portion is attached, the attachment portion can be easily inserted by inserting one end of the plate portion that is the reflection plate obliquely with respect to the opening. Can be covered.

1 is a perspective view of a lighting device 100 according to Embodiment 1. FIG. 1 is an exploded perspective view of a lighting device 100 according to Embodiment 1. FIG. It is the perspective view which looked at the frame part 140 which concerns on Embodiment 1 from the main-body part 160 side. It is the figure which showed typically the expansion perspective view which looked at the A section of FIG. 3 from the P1 direction. It is a figure which shows the reflecting plate 170 which concerns on Embodiment 1, (a) is the perspective view of the reflecting plate 170, and the enlarged view of the hook part 173, (b) is the figure which looked at the reflecting plate 170 from the P2 direction. . 5 is a schematic diagram for explaining attachment methods (a) to (c) for attaching the reflector 170 according to Embodiment 1 to the opening 143. FIG. It is a figure which shows the state which attached the reflecting plate 170 to the frame part 140 which concerns on Embodiment 1, (a) is the perspective view which looked at the frame part 140 which attached the reflecting plate 170 from the to-be-attached surface side (above). (B) is the elements on larger scale which expanded the B section of (a). It is the schematic diagram which looked at the opening part 143 part of Fig.7 (a) from the P3 direction.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. In the following description of the embodiments, directions such as “up”, “down”, “left”, “right”, “front”, “back”, “front”, “back” are for convenience of explanation. It is only described as such, and does not limit the arrangement or orientation of devices, instruments, parts, and the like.

Embodiment 1 FIG.
FIG. 1 is a perspective view of lighting apparatus 100 according to the present embodiment. FIG. 2 is an exploded perspective view of lighting apparatus 100 according to the present embodiment.
The lighting device 100 (lighting fixture) is attached to a mounted surface 200 (attached portion) such as a ceiling surface or a wall surface, for example. In the present embodiment, the ceiling surface is described as the mounted surface 200, the mounted surface side is the ceiling surface side or the upper side (upper side), and the opposite side of the mounted surface side is the irradiation direction side or the lower side (lower side). explain. Note that the present embodiment can be applied even when the wall surface or the like is the mounting surface 200.

As illustrated in FIGS. 1 and 2, the lighting device 100 includes a light source unit 120, a power supply unit 130, a frame unit 140, a main body unit 160, and a reflection plate 170.
The main body 160 is fixed to the attached surface 200. The main body 160 is formed by bending a metal plate, and includes a mounting plate 161 that comes into contact with the mounting surface 200 and a main body edge 162 that is formed downward (irradiation direction) from the periphery of the mounting plate 161. .
In the present embodiment, the mounting plate 161 has a substantially square shape. However, the shape of the mounting plate portion 161 may be a rectangle, a polygon, a circle, an ellipse, or the like.

The attachment plate portion 161 is formed with a pair of body attachment holes 180 for fixing the body portion 160 to the attachment surface 200, for example, at a position on the straight line l that is substantially the center of the pair of opposing sides 163.
Further, the main body 160 includes a pair of spring portions 150 formed on the irradiation direction side from a pair of opposite sides 163. The spring part 150 is a leaf spring, for example.

  The power supply part 130 is attached to the attachment plate part 161. The power supply unit 130 receives power from an external power source, generates power for lighting the LED 122a, and supplies the generated power to the light source unit 120. The power supply unit 130 is disposed on the attachment plate unit 161 at a position covered by the frame unit 140 outside the light source unit 120.

The light source part 120 is attached to the attachment plate part 161. As shown in FIG. 2, the light source part 120 is arrange | positioned one each on the both sides of the straight line 1 of the attachment board part 161, for example. That is, the two light source parts 120 are arranged so as to be targeted around the main body attachment hole 180.
The light source unit 120 includes an LED unit 122 (light source) including an LED 122a and a substrate unit 122b on which the LED 122a is mounted, and a light source holding unit 121 (light source mounting unit) to which the LED unit 122 is mounted. The light source holding part 121 is fixed to the mounting plate part 161 of the main body part 160 with screws or the like.
The light source unit 120 includes a light source cover unit 123 that is attached to the light source holding unit 121 so as to cover the LED unit 122 and diffuses the light from the LED 122a.

  The frame part 140 has a square shape with an opening at the center, and is attached to the main body part 160 so as to surround the light source part 120 and the main body attachment hole 180. The central opening is referred to as a central opening 147. The frame part 140 has an outer side surface part 141 bent so as to cover the main body part 160 and an inner side surface part 142 bent so as to surround the light source part 120 and the main body attachment hole 180. The frame part 140 is attached to the main body part 160 so as to cover the main body edge 162 of the main body part 160 by the outer side surface part 141 and the inner side surface part 142. When the frame part 140 is attached to the main body part 160, the light source part 120 and the reflection plate 170 are exposed from the central opening 147 (see FIG. 1).

Further, the frame part 140 has an opening 143 formed at a substantially central part of the inner side surface part 1421 where the end surface 1231 of the light source cover part 123 (or the end side of the LED unit 122) abuts or approaches.
In the inner side surface portion 142, an opening 143 is formed at a location sandwiched between the end portions of the two light source portions 120 (the end surface 1231 of the light source cover portion 123 or the end side of the LED unit 122). The opening 143 is used when attaching the reflector 170 to the frame 140.

The spring part 150 is disposed so as to protrude from the portion covered by the frame part 140 to the opening part 143 of the frame part 140, and the reflection plate 170 attached to the opening part 143 is disposed in a direction opposite to the attachment surface 200 ( (Irradiation direction).
In the present embodiment, the spring portion 150 is attached to a location covered by the frame portion 140. However, for example, the spring portion 150 may be attached from the central portion of the attachment plate portion 161 toward the frame portion 140. . The shape of the spring part 150 may be any shape as long as it has elasticity, for example, a curved shape. Further, the number of the spring portions 150 may be three, four, or the like.

The reflection plate 170 is formed by bending a metal plate. The reflection plate 170 is disposed at a position (see FIG. 1) between the two light source units 120.
The reflection plate 170 reflects light emitted from the two light source units 120 arranged on both sides, and attaches an attachment part of the attachment plate part 161 sandwiched between the two light source parts 120 (main body attachment hole 180 part, etc.). Acts as a decorative veneer.

FIG. 3 is a perspective view of the frame portion 140 according to the present embodiment as viewed from the main body portion 160 side. FIG. 4 is a diagram schematically showing an enlarged perspective view of the portion A of FIG. 3 viewed from the P1 direction.
As shown in FIG. 3, a frame attachment portion 1422 attached to the attachment plate portion 161 (see FIG. 2) by screwing or the like is formed at the upper end portion of the inner side surface portion 142. In a state in which the frame part 140 is attached to the main body part 160, the inner side surface part 142 becomes a wall part erected downward from the attachment plate part 161. That is, the opposed inner side surface portions 142 (a pair of inner side surface portions 142) are an example of a pair of wall portions.

  FIG. 4 is an enlarged perspective view of the vicinity of the opening 143 and schematically shows the shape of the opening 143. In the opening 143, an inclined portion 146 having a shape similar to the bent shape of the reflecting plate 170 is formed at the lower edge portion 143a. On both sides of the inclined portion 146, there are provided guide pieces 144 for guiding the reflecting plate 170 to a predetermined position when the reflecting plate 170 is attached. In addition, the opening 143 includes a reflection plate fitting portion 145 (groove portion) that is fitted to the hook portion 173 of the reflection plate 170 outside the guide piece 144.

  The guide piece 144 is bent inside the frame portion 140 (on the side of the central opening 147). A corner portion of the guide piece 144 is a bent portion 144a that is bent into an R shape so as to be smooth. When the reflector 170 is inserted into the opening 143 by the bending portion 144a, the guide piece 144 and the reflector 170 may come into contact with each other. it can.

5A and 5B are diagrams showing the reflector 170 according to the present embodiment, in which FIG. 5A is a perspective view of the reflector 170 and an enlarged view of the hook portion 173, and FIG. 5B is a view of the reflector 170 from the P2 direction. It is a figure.
The reflection plate 170 includes a reflection portion 171 (plate portion) formed by bending a metal plate in a V shape so that the metal plate protrudes in the irradiation direction side (downward), and each end portion ( And a hook portion 173 formed on the plate end portion 174.
In the present embodiment, the reflecting portion 171 is bent in a V shape, but is not limited to a V shape, and may be a semicircular shape, an arc shape, a trapezoidal shape, or the like. Moreover, it does not necessarily have to protrude to the irradiation direction side (downward), and may be planar. Or you may protrude to the attachment board part 161 side.

  The reflection part 171 reflects the light emitted from the light source part 120 on the surface on the irradiation direction side, and covers a part of the attachment plate part 161 on the surface on the attachment plate part 161 side. The reflecting portion 171 is formed with reflecting plate side portions 172 at both ends in the short direction. The reflector side surface portion 172 is bent so as to be substantially perpendicular to the mounting plate portion 161. The reflecting plate side surface portion 172 contacts the light source unit 120 disposed on both sides of the reflecting plate 170.

The hook portion 173 is formed on the reflector side surface portion 172 at both ends in the short direction of the plate end portion 174 so as to protrude outward in the longitudinal direction of the reflector plate 170.
As shown in FIG. 5B, when the bending angle θ1 of the V-shaped portion of the reflecting plate 170 is assumed, the angle θ1 is not limited, and the present embodiment can be applied at any angle. The width of the reflector 170 in the short direction is L10.

As shown in the enlarged view of the hooking portion 173 in FIG. 5A, the hooking portion 173 includes a concave portion 1731 that engages with the reflector fitting portion 145 formed at the lower edge of the opening 143, and A slide portion 1732 that gradually inclines from below toward the recess 1731 is provided.
The slide portion 1732 facilitates fitting of the concave portion 1731 and the reflection plate fitting portion 145 when the reflection plate 170 is attached to the lower edge portion of the opening portion 143.

  The length L1 in the longitudinal direction of the light source unit 120 (see the light source cover unit 123 in FIG. 2), the length L2 of the reflection unit 171 of the reflection plate 170, and the length L3 between the pair of inner side surface units 142 (see FIG. 3). Is substantially the same. The total length L4 of the reflecting plate 170 is longer than the length L2 of the reflecting portion 171 by the length L5 × 2 of the hooking portion 173 (see the enlarged view of the hooking portion 173 in FIG. 5A).

FIG. 6 is a schematic diagram for explaining the attachment methods (a) to (c) of the reflection plate attachment mechanism 110 for attaching the reflection plate 170 according to the present embodiment to the opening 143. In FIG. 6, the state of the spring portion 150 attached to the main body portion 160 is indicated by a dotted line.
A method of attaching the reflector 170 to the opening 143 will be described with reference to FIG.
In FIG. 6, the reflector mounting mechanism 110 includes a reflector 170 having a reflector 171 and a hook 173, and a pair of inner side surfaces 142 in which an opening 143 is formed.

First, as shown in FIG. 6A, one plate end 174 of the reflector 170 is obliquely inserted into one opening 143 of a pair of openings 143 formed on a pair of inner side surfaces 142. To do.
As shown in FIG. 5, the total length L4 of the reflecting plate 170 is longer than the length L2 of the reflecting portion 171 by the length L5 × 2 of the hooking portion 173, and is the length between the pair of inner side surface portions 142. This is because it is longer than the length L3 (see FIG. 3).
Accordingly, the size of the opening of the opening 143 needs to be a size that allows at least the reflection plate 170 plate end 174 to be inserted. Since the shape of the inclined portion 146 at the lower edge of the opening 143 is substantially equal to the shape of the plate end 174 of the reflector 170, the plate end 174 can be easily inserted into the opening 143.

When the reflecting plate 170 is inserted into the opening portion 143 of the frame portion 140, the reflecting portion 171 of the reflecting plate 170 may come into contact with the guide piece 144 of the opening portion 143. The guide piece 144 is subjected to bending processing (bending portion 144a) of an R (curved portion) shape so that scratches and peeling of the coating do not occur on the lower surface of the reflecting portion 171 even if it is in contact with the reflecting portion 171. ing.
In FIG. 6A, the length for inserting the reflecting plate 170 into the opening 143 is such that the total length L4 of the reflecting plate 170 is longer than the length L3 between the pair of inner side surface portions 142 ( The length must be equal to or greater than L5 × 2).

  Next, after the reflector 170 is inserted into the opening 143 by the length (L5 × 2) which is the extra length or more, the other plate is pushed up while the spring 150 is pushed up so that the reflector 170 is horizontal. Lift end 174 upward. That is, the other plate end 174 of the reflecting plate 170 is rotated upward. At this time, the surface of the reflection portion 171 on the attached surface 200 side and the contact portion 151 which is the tip of the spring portion 150 abut, and the contact portion of the spring portion 150 is contacted by the surface of the reflection portion 171 on the attached surface 200 side. 151 is pushed upward.

  FIG. 6B shows one plate end 174 in a state where the reflecting plate 170 is horizontal (that is, substantially parallel to the mounting plate 161). As shown in FIG. 6B, the hooking portion 173 of the other plate end 174 of the reflecting plate 170 is inserted into the other opening 143 while the reflecting plate 170 remains horizontal. That is, the reflecting plate 170 is moved horizontally toward the other opening 143. As a result, the hooking portion 173 of the one plate end 174 of the reflecting plate 170 is inserted into the one opening 143. At this time, the reflecting portion 171 moves to the inside of the pair of inner side surface portions 142 and is located at the central opening 147.

  Next, when the force applied to the reflecting plate 170 is loosened, the reflecting plate 170 is pulled by the weight of the reflecting plate 170 and the downward pressing force of the spring portion 150 as shown in FIG. The hook portion 173 is hooked on the reflector fitting portion 145 formed on the edge portion 143 a below the opening portion 143. The concave portion 1731 of the hook portion 173 engages (fits) with the reflection plate fitting portion 145.

  The contact part 151 of the spring part 150 contacts the surface of the reflection part 171 on the mounting plate part 161 side, and presses the reflection part 171 toward the irradiation direction side. Thereby, the concave portion 1731 is more firmly engaged (fitted) with the reflection plate fitting portion 145, and the reflection plate 170 is prevented from being detached from the pair of inner side surface portions 142. As described above, the spring portion 150 not only fixes (attaches) the reflecting plate 170 to a predetermined position, but also prevents the reflecting plate 170 from coming off due to vibration, impact, and the like, and prevents the falling.

  4 is a schematic diagram, and the drawing of the opening 143 and the method of attaching the reflecting plate 170 shown in FIG. 6 is a schematic diagram. The shape of the reflecting plate 170, the thickness of the metal plate, and the thickness of the inner side surface portion 142 are illustrated. The width and shape of the opening 143, the width and shape of the inclined portion 146, the width and shape of the guide piece 144, the width and shape of the reflector fitting portion 145, and the like can be appropriately changed.

  FIG. 7 is a view showing a state in which the reflector 170 is attached to the frame part 140 according to the present embodiment. FIG. 7A is a view of the frame part 140 to which the reflector 170 is attached as viewed from the attached surface side (above). (B) is the elements on larger scale which expanded the B section of (a).

As shown in FIG. 7A, when the reflecting plate 170 is attached to the frame portion 140, the central portion of the central opening 147 is blocked by the reflecting plate 170. At this time, the plate end portion 174 and the inner side surface portion 142 of the reflecting plate 170 are close to or in contact with each other, so that the central opening 147 of the portion to which the reflecting plate 170 is attached is changed from one inner side surface portion 142 to the other inner side surface portion 142. It is blocked without any gaps.
Further, the attachment portion (configuration of the hooking portion 173 and the reflection plate fitting portion 145 and the like) between the reflecting plate 170 and the opening 143 is outside the inner side surface portion 142 and is covered by the inner side surface portion 142 and the outer side surface portion 141. , Never exposed.
As described above, the lighting device 100 with high designability can be realized.

  As shown in FIG. 7B, the reflecting plate side surface portion 172 of the reflecting plate 170 and the vertical edge portion 148 of the opening portion 143 are designed to be close to or in contact with each other. As a result, the design is further improved, and the reflection plate 170 is prevented from rattling or coming off.

FIG. 8 is a schematic view of the opening 143 portion of FIG. 7A viewed from the P3 direction.
In FIG. 8, the outer shape of the reflector 170 attached to the opening 143 is indicated by a dotted line.
As shown in FIG. 8, when the reflecting plate 170 is attached to the frame portion 140, the plate end portion 174 of the reflecting plate 170 is positioned slightly below the inclined portion 146 of the opening 143. That is, the inclined portion 146 and the guide piece 144 are located inside the reflecting plate 170 and are covered with the reflecting plate 170. Thereby, design nature improves more.

In the present embodiment, the method for attaching the two light source units 120 and the reflecting plate 170 installed between the two light source units 120 has been described. However, the number of the light source units 120 and the reflecting plates 170 is not limited to this. It is not necessary.
In the present embodiment, the light source unit 120 and the power source unit 130 are attached to the main body unit 160, but a structure attached to the frame unit 140 may be used.
In this embodiment, the V-shaped bent shape of the reflecting plate 170 has been described, but a curved plate, a polygonal shape, a straight line, or a decorative plate may be used instead of the reflecting plate.
In the present embodiment, the method of assisting movement of the reflecting plate 170 by the guide piece 144 when the reflecting plate 170 is inserted into the frame portion 140 has been described, but a method of assisting movement other than the guide piece 144 may be used.
In the present embodiment, the pair of inner side surface parts 142 (the pair of wall parts) having the opening part 143 are configured to be provided in the frame part 140, but the mounting plate part 161 may be provided, for example. The pair of wall portions may be integrally formed with the mounting plate portion 161.

  As described above, according to the reflector mounting mechanism 110 and the illumination device 100 according to the present embodiment, the attachment portion does not appear on the design surface, so that the design can be improved and the elastic force of the reflector is necessary. Therefore, there is an effect that the degree of freedom of shape can be increased.

  Although the embodiment of the present invention has been described above, the present embodiment may be partially implemented. Or you may implement combining the part of this Embodiment. In addition, this invention is not limited to this Embodiment, A various change is possible as needed.

  DESCRIPTION OF SYMBOLS 100 Illuminating device, 110 Reflector attachment mechanism, 120 Light source part, 121 Light source holding part, 122 LED unit, 122a LED, 122b Substrate part, 123 Light source cover part, 130 Power supply part, 140 Frame part, 141 Outer side part, 142 Inner side part , 143 opening, 143a lower edge, 144 guide piece, 144a bent portion, 145 reflector fitting portion, 146 inclined portion, 147 central opening, 148 vertical edge, 150 spring portion, 151 contact portion, 160 Main body portion, 161 Mounting plate portion, 162 Main body edge portion, 163 side, 170 Reflecting plate, 171 Reflecting portion, 172 Reflecting plate side surface portion, 173 Hook portion, 174 Plate end portion, 180 Main body mounting hole, 200 Mounted surface , 1231 end face, 1422 frame attachment part, 1731 recess, 1732 slide part.

Claims (2)

At least two light sources;
A pair of wall portions that surround the longitudinal ends of the two light sources and protrude from an attachment plate portion attached to the attached portion;
A plate portion having end portions on both sides, each end portion of the both end portions being disposed in proximity to each wall portion of the pair of wall portions and reflecting light emitted from the two light sources; and the plate A reflector provided with a hook portion provided at each end of the both ends of the portion;
With
Each wall of the pair of walls is
An opening formed so that the end portion of the plate portion of the reflecting plate can be inserted obliquely with respect to the wall portion and sandwiched between the two light sources;
The hook is
An illuminating device comprising a reflector mounting mechanism that is hooked on an edge of the opening in a direction in which the pair of wall portions protrudes.   The lighting device according to claim 1, wherein the reflection plate covers an attachment portion of the attachment plate portion sandwiched between the two light sources.

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