JP2023148735A - Lighting device - Google Patents

Abstract

To provide a lighting device capable of easily removing a light source unit.SOLUTION: A lighting device 10 includes a long fixture body 20, a long light source unit 16, an attachment mechanism, and an end member 23. The attachment mechanism removably attaches the light source unit 16 to the fixture body 20 by moving the light source unit 16 toward the fixture body 20 from a direction intersecting a longitudinal direction of the fixture body 20. The end member 23 has: an attachment part 43 that is attached to the longitudinal end of the fixture body 20 by moving from the outside in the longitudinal direction, and detached by moving to the outside in the longitudinal direction; and a contact part 44 capable of contacting a surface in a movement direction of the light source unit 16 toward the fixture body 20.SELECTED DRAWING: Figure 9

Description

Embodiments of the present invention relate to lighting devices.

2. Description of the Related Art Conventionally, there is a lighting device that includes an elongated appliance body, an elongated light source unit, and an attachment mechanism that removably attaches the light source unit to the appliance body.

This lighting device has a structure in which the light source unit is attached to the fixture body using the mounting mechanism by moving the light source unit toward the fixture body. It is necessary to grasp the surface and move it in the direction away from the instrument body. However, it is necessary to operate the light source unit while grasping both sides of the light source unit, and it may be difficult or impossible to grasp both sides of the light source unit, so it may take time and effort to remove the light source unit.

JP2017-59425A

The problem to be solved by the present invention is to provide a lighting device whose light source unit can be easily removed.

The lighting device of the embodiment includes an elongated appliance main body, an elongated light source unit, an attachment mechanism, and an end member. The attachment mechanism removably attaches the light source unit to the instrument body by moving the light source unit toward the instrument body from a direction intersecting the longitudinal direction of the instrument body. The end member is attached to the longitudinal end of the instrument body by moving from the outside in the longitudinal direction, and is detached by moving outward in the longitudinal direction, and the light source unit is attached to the longitudinal end of the instrument body in the direction of movement of the light source unit toward the instrument body. and a contact portion that can come into contact with the surface.

According to the lighting device of the embodiment, it can be expected that the light source unit can be easily removed.

FIG. 1 is a perspective view of a lighting device showing one embodiment. It is an exploded perspective view of the lighting device same as the above. It is an exploded perspective view of the lighting device same as the above. It is an exploded perspective view of the end part of the lighting device same as the above. It is a perspective view of the end of the main body unit of the lighting device same as the above. It is a side view with a part omitted when seen from the longitudinal direction of the lighting device same as the above. It is a side view with a part omitted when seen from the longitudinal direction of the lighting device same as the above. It is a sectional view showing attachment operation of the light source unit of the lighting device same as the above. It is a sectional view of the installation state of the lighting device same as the above. It is a sectional view showing removal operation of the light source unit of the lighting device same as the above. FIG. 11 is a sectional view showing the removal operation of the light source unit following FIG. 10; FIG. 11 is a sectional view showing the removal operation of the light source unit continued from FIG.

Hereinafter, one embodiment will be described with reference to the drawings.

A lighting device 10 is shown in FIGS. 1-3. The lighting device 10 is a semi-recessed lighting device in which a non-light-emitting portion is embedded in a recessed opening 12 provided in an installed portion 11 such as a ceiling surface as shown in FIG. 9, and a light-emitting portion protrudes from the installed portion. . The lighting device 10 is a slim lighting device that is elongated and has a width dimension in the width direction, which is a short direction intersecting the longitudinal direction, which is smaller than a height dimension in the height direction. In this embodiment, the lighting device 10 is assumed to be mounted on a ceiling surface, and corresponding to this mounting orientation, the front side, which is the light irradiation direction, of the lighting device 10 will be described as a lower surface side, and the back side will be described as an upper surface side.

The lighting device 10 includes a main unit 15 and a light source unit 16 that is detachably attached to the main unit 15.

The main unit 15 includes a long metal instrument main body 20 that is a metal casing, a pair of attachment springs 22 of a mounting mechanism 21 that removably attaches the light source unit 16 to the instrument main body 20, and It is provided with end members 23 at both ends which are detachably attached to both ends of. The main unit 15 includes a terminal block that is attached to the device main body 20 and to which a power line drawn into the device main body 20 is connected, and a light source side electric wire that is connected to the terminal block and has a connector on the light source unit 16 side. and a main body side electric wire with a connector to be connected to the connector.

As shown in FIGS. 1 to 7, the main body 20 includes an elongated top plate part 25, side plate parts 26 on both sides protruding downward from both sides of the top plate part 25 in the width direction, and side plates. It has an edge 27 projecting outward from the lower end of the portion 26. The device main body 20 is formed into a substantially U-shaped cross section by a top plate portion 25 and side plate portions 26 on both sides, and has a lower surface opening 28 which is a front opening on the lower surface, and end surface openings 29 on both end surfaces. It is being

A protrusion 30 that protrudes toward the lower surface side is provided along the longitudinal direction at the center in the width direction of the top plate portion 25, and a protrusion portion 30 is recessed from the upper surface of the top plate portion 25 on the upper surface side of the protrusion portion 30. A recessed portion 31 is provided along the longitudinal direction.

Attachment holes 32 for attachment to the ceiling surface and wiring holes 33 for drawing power lines into the appliance main body 20 are provided near both longitudinal ends of the top plate portion 25 .

The mounting spring 22 is shown in FIGS. 2 and 7. The pair of attachment springs 22 are attached near both ends of the instrument body 20 in the longitudinal direction. The mounting spring 22 is integrally formed of a metal leaf spring. The attachment spring 22 has a spring attachment part 35 attached to the lower surface of the protruding part 30 of the instrument body 20, and one of the spring attachment parts 35 is bent diagonally downward from opposite sides so that the distal ends thereof are expanded to each other. The arm portion 36 has a pair of arm portions 36, and has a substantially U-shaped cross section. On the distal end sides of the pair of arm parts 36, there are positioning parts 37 that are bent so as to protrude facing each other, and positioning parts 37 that are bent diagonally downward so as to approach each other at the distal ends of the positioning parts 37. It has a holding part 38 and an inclined part 39 bent diagonally downward from the distal end side of the holding part 38 so as to separate from each other. The tip end side of the inclined part 39 is bent so as to be folded back toward the outer surface side of the inclined part 39.

Further, the end member 23 is shown in FIGS. 1 to 6 and 8. The end member 23 is made of, for example, resin and is integrally formed. The end member 23 includes an end surface portion 41 disposed on the end surface side of the instrument main body 20, and an end portion of the edge portion 27 of the instrument main body 20 that protrudes from the lower end of the outer surface side of the end surface portion 41 facing outside the instrument main body 20. An edge portion 42 disposed on the side, a mounting portion 43 removably attached to the end of the instrument body 20, and an abutment portion 44 protruding from the inner surface of the end surface portion 41 facing into the instrument body 20. and a guide portion 45.

The width in the width direction of the end face part 41 on the upper side is approximately the same width as the protruding part 30 and the recessed part 31 of the top plate part 25 of the instrument main body 20, and the width increases toward the lower end, and the width in the width direction on the lower end side The width is wider than the width between the side plate parts 26 on both sides. The edge 42 has the same width as the width between the outermost parts of the edges 27 on both sides of the instrument body 20, and is configured to form a frame shape around the instrument body 20, continuing from the edges 27 on both sides. .

The attachment part 43 includes a first attachment part 46 which is a top plate attachment part attached to the top plate part 25 of the instrument main body 20 on the upper side of the end surface part 41, and a side plate part 26 and an edge part 27 on both sides of the instrument main body 20. It is provided with second attachment portions 47 which are side attachment portions on both sides to be attached to.

The first mounting portion 46 includes an upper surface engaging portion 48 that fits into the recess 31 and engages with the upper surface of the protruding portion 30 while being positioned in the width direction, and an upper surface engaging portion 48 that engages with the lower surface of the protruding portion 30. It has a lower surface engaging portion 49 that fits together, and a mounting groove 50 into which the end of the protrusion 30 is relatively inserted and engaged between the upper surface engaging portion 48 and the lower surface engaging portion 49. . The groove width on the back side of the mounting groove 50 inserted relatively from the end of the protrusion 30 is narrower than the plate thickness of the protrusion 30, and the protrusion 30 is connected to the upper surface engaging portion 48 and the lower surface engaging portion 49. It can be held by inserting it in between.

The second attachment part 47 has a lower engaging part 51 arranged on the upper surface side of the edge 27 on the outer surface side facing outside of the instrument main body 20 of the side plate parts 26 on both sides of the instrument main body 20. In the second mounting portion 47, the lower side engaging portions 51 on both sides are arranged on the outer surface side of the side plate portions 26 on both sides, so that the widthwise position of the lower side of the end member 23 is adjusted relative to the instrument main body 20. be positioned and installed. When the lower side engaging parts 51 on both sides are arranged to engage with the upper side of the edges 27 on both sides of the instrument main body 20, the second attaching part 47 is a lower side engaging part of the first attaching part 46. 49 is pressed against the lower surface side of the protruding portion 30 of the instrument main body 20, and the end member 23 is positioned and attached in the vertical direction between the top plate portion 25 and the edges 27 on both sides of the instrument main body 20.

The contact portion 44 is arranged to protrude substantially vertically from the inner surface of the end surface portion 41 facing into the instrument main body 20, and is a surface in the moving direction (upward direction) of the light source unit 16 that is attached toward the instrument main body 20. It is possible to make contact with a certain upper surface (the upper surface of the light source holding part 61, which will be described later). The abutting portion 44 has a flat plate shape and is formed in a rectangular plate shape that is elongated in the longitudinal direction of the instrument main body 20. A rib 52 is provided on the upper surface side of the abutting portion 44 over the inner surface side of the end surface portion 41, and is integrated with the end surface portion 41 by the rib 52 to ensure rigidity.

A relief portion 54 having a substantially U-shaped cross section is provided between the inner surface of the end surface portion 41 and the contact portion 44, and forms a groove portion 53 that opens downward and in the width direction. A rib 52 is also provided on the relief portion 54, and the rib 52 is integrated with the end surface portion 41 and the contact portion 44 to ensure rigidity.

The guide portion 45 projects upward from the inner surface of the end surface portion 41 facing into the instrument main body 20, opposite to the contact portion 44, and abuts against the lower surface side of the protruding portion 30 of the top plate portion 25 of the instrument main body 20. be accessible. The guide portion 45 is provided on the rib 52 and is provided on the tip side of an arm portion 55 extending from the rib 52. The guide portion 45 has a flat plate shape, and is provided in a rectangular plate shape substantially perpendicular to the inner surface side of the end surface portion 41 and substantially parallel to the lower surface side of the contact portion 44 .

In the end member 23, the attachment portion 43 is attached to the longitudinal end of the instrument main body 20 by moving from the outside in the longitudinal direction toward the end of the instrument main body 20. It is configured to be removed by moving outward in the longitudinal direction from the end. The protruding dimensions of the abutting portion 44 and the guide portion 45 that protrude from the end surface portion 41 are larger than the size of the attachment allowance for attaching the attachment portion 43 to the end of the instrument body 20 from the end surface portion 41 . When attaching the end member 23 to the end of the instrument main body 20, the end member 23 is moved toward the end of the instrument main body 20 while pressing the guide section 45 against the lower surface side of the top plate section 25 of the instrument main body 20. Thereby, the attachment portion 43 of the end member 23 can be positioned and easily attached to the end of the instrument main body 20. When the end portion 23 is attached to the end of the instrument body 20, the guide portion 45 may be in contact with the lower surface of the instrument body 20 or may be apart.

Further, the light source unit 16 is shown in FIGS. 1 to 4, 7, and 8. The light source unit 16 includes a cover 60 that is a resin housing, a light source holder 61 that is attached inside the cover 60, a light source module 62 that is a light source that is attached to the lower surface of the light source holder 61, and a light source holder 61 that is a light source that is attached to the lower surface of the light source holder 61. It is provided with a power source section 63 that is attached to the upper surface side of each, a spring receiving member (spring receiving fitting) 64 which is an attaching section of the attaching mechanism 21, and a plurality of correction fittings 65.

The cover 60 is made of resin, is elongated, and has an external shape in which the width in the width direction intersecting the longitudinal direction is smaller than the height in the height direction. The cover 60 has a front face part 67 which is one side in the height direction and is a lower face part, side parts 68 on both sides in the width direction, and end face parts 69 at both ends in the longitudinal direction. An opening 70 is formed on the upper surface side. Therefore, the cover 60 has a substantially U-shaped cross section in both the longitudinal direction and the width direction.

The front side of the cover 60 , that is, the lower side of the front surface part 67 , the side surface part 68 , and the end surface part 69 are formed into a transparent part 71 through which the light from the light source module 62 passes, and the rear side of the cover 60 , that is, the side surface part 68 and the lower part of the end surface The upper side of the portion 69 is formed as a non-transparent portion 72 through which light does not pass. The cover 60 has a transparent part 71 and a non-transparent part 72 integrally formed by two-color molding of different resin materials.

The width dimension in the width direction between the outer surfaces of the side surfaces 68 on both sides of the cover 60 is narrower than the width dimension between the inner sides of the side plate side surfaces 26 of the instrument main body 20, and the longitudinal dimension between the outer surfaces of the end surfaces 69 on both ends of the cover 60. is shorter than the longitudinal dimension between the inner surfaces of the end surfaces 41 of the end members 23 attached to both ends of the instrument body 20, and the upper side of the cover 60 is closer to the end surfaces of the instrument body 20 and the end members 23 at both ends. The dimensional relationship is such that it can be inserted into the lower opening 28 that opens between the lower opening 28 and the lower opening 28 .

On the inner surface of the side surface portions 68 on both sides of the cover 60, a light source attachment portion 73 to which the light source holding portion 61 is attached is provided on the lower side of the opaque portion 72. On the side surfaces 68 on both sides of the cover 60 , a correction fitting engagement portion 74 with which the correction fitting 65 engages is formed between the light source attachment portion 73 and the upper end of the side surface portion 68 .

The light source holding part 61 is made of metal, for example, and is formed in a long plate shape. The light source holding portion 61 is disposed within the cover 60 with both sides in the width direction attached to the light source attachment portions 73 on both sides.

A light source module 62 is attached to the lower surface side of the light source holder 61. A substantially L-shaped support portion 75 that supports one side of the light source module 62 in the width direction is provided on one side in the width direction on the lower surface side of the light source holding portion 61 . A plurality of screws 76 for screwing the other side of the light source module 62 in the width direction are screwed onto the other side of the lower surface side of the light source holding part 61 in the width direction. A stepped screw is used as the screw 76. The support portion 75 and the plurality of screws 76 do not fix the light source module 62, but support the light source module 62 so as to allow movement within a supportable range.

The end surface portion 69 is provided with a substantially U-shaped end surface opening 77 that opens toward the upper end. The end opening 77 is provided in the non-light-transmitting part 72 above the light source mounting part 61 arranged inside the cover 60. The widthwise dimension of the end opening 77 is wider than the widthwise dimensions of the abutting portion 44 and the relief portion 54 of the end member 23 . As shown in FIG. 9, the lower end surface portion 69 of the end surface opening 77 can be placed within the groove portion 53 of the relief portion 54 of the end member 23. As shown in FIG. The groove width of the groove portion 53 corresponding to the longitudinal direction of the instrument body 20 allows the end member 23 to move outward from the end of the instrument body 20 and the attachment portion 43 to be removed from the end of the instrument body 20. There is a relationship where

The light source module 62 also includes a long substrate 79 and a plurality of light emitting elements 80 mounted on the front surface of the substrate 79 at predetermined intervals along the longitudinal direction. The light emitting element 80 is a semiconductor light emitting element such as an LED or an organic EL. Both sides of the substrate 79 in the width direction are attached to the lower surface side of the light source holding part 61 by means of a support part 75 and screws 76 .

Further, the power supply section 63 is shown in FIG. The power supply section 63 is attached to the upper surface side of the light source holding section 61 with screws. The power supply section 63 is arranged inside the cover 60. The power supply unit 63 converts external power supplied from the outside through a power line into lighting power necessary for lighting the light emitting element 80 of the light source module 62, and supplies the lighting power to the light source module 62. A light source side electric wire having a connector at the tip of the electric wire is connected to the power supply section 63, and this light source side electric wire is electrically connected to a main body side electric wire connected to a terminal block of the instrument main body 20 by a connector.

Further, as shown in FIGS. 3, 4, and 7, the spring receiving member 64 is integrally formed of a metal plate. The spring receiving member 64 includes a substantially rectangular spring receiving plate portion 82 and a pair of mounting plate portions 83 bent downward from one opposing side of the spring receiving plate portion 82 . A pair of notch-shaped spring receiving grooves 84 are provided on the other opposing both sides of the spring receiving plate portion 82 in the widthwise central region of the both sides. The mounting plate portion 83 is attached to the upper surface side of the light source holding portion 61 by screws.

Further, the correction fitting 65 is made of a metal plate and has a substantially U-shaped cross section. The correction fitting 65 is attached to the upper surface of the light source holding part 61 by screws, with both ends engaged with correction fitting engagement parts 74 provided on both side surfaces 68 of the cover 60. The correction fittings 65 are attached to multiple locations in the longitudinal direction of the cover 60 to prevent the gap between the side surfaces 68 on both sides of the cover 60 from increasing and to maintain the attached state of the cover 60 and the light source holder 61. It is composed of

To install the lighting device 10, the power wire wired on the installed portion 11 is pulled out downward from the embedded opening 12 and passed through the wiring hole 33 of the fixture body 20. End members 23 are attached to both ends of the instrument body 20.

As shown in FIG. 8, the instrument main body 20 is inserted into the embedded opening 12 from the upper side, and the hanging bolt protruding from the structure above the installation part 11 is passed through the mounting hole 32 of the instrument main body 20. The instrument main body 20 is attached to the installed part 11 by screwing a nut onto the suspended bolt. By tightening the nuts, the edge 27 of the instrument main body 20 and the edge 42 of the end member 23 are attached to the lower surface of the installation part 11 in contact with the lower surface. The power wire passed through the wiring hole 33 is connected to the terminal block of the device main body 20.

When the instrument main body 20 is attached to the installed portion 11 , a gap 85 exists between the outer surface side of the end surface portion 41 of the end member 23 and the edge of the embedded opening 12 . The gap 85 is dimensioned to allow the end member 23 to move outward and the attachment portion 43 to be removed from the end of the instrument body 20.

While lifting the light source unit 16, the main body side electric wire connected to the terminal block from the device main body 20 side and the light source side electric wire connected to the power supply section 63 from the light source unit 16 side are connected with connectors.

As shown in FIG. 9, the light source unit 16 is inserted so that the cover 60 of the light source unit 16 is inserted into the lower surface opening 28 between the side plate parts 26 on both sides of the instrument main body 20 and between the end surfaces 41 of the end members 23 at both ends. toward the instrument body 20. By pushing up the light source unit 16 toward the instrument main body 20, the attachment spring 22 of the instrument main body 20 and the spring receiving member 64 of the light source unit 16 are engaged, and the light source unit 16 is attached to the instrument main body 20. At this time, the upper surface of the light source holding part 61 of the light source unit 16 contacts the contact part 44 of the end member 23, and the guide part 45 of this end member 23 contacts the top plate part 25 of the main body 20. , the push-up position of the light source unit 12 can be determined by restricting the push-up of the light source unit 12.

When the light source unit 16 is attached to the instrument main body 20, the groove 53 of the relief portion 54 of the end member 23 and the end opening 77 of the end surface portion 69 of the cover 60 are opposed to each other, and the relief portion 54 of the end member 23 is opposite to each other. The lower part of the end face opening 77 of the end face part 69 enters into the groove part 53 and is arranged, and the abutting part 44 is a surface in the moving direction of the light source unit 16 toward the instrument main body 20 and is a part of the light source holding part 61. They are arranged at opposing positions where they can come into contact with the upper surface side.

Then, the non-light-transmitting portion 72 of the cover 60 is placed inside the appliance body 20, the transparent portion 71 is protruded from the appliance body 20, and the lighting device 10 is installed in the installed portion 11 in a semi-embedded state.

Further, by supplying external power to the power source section 63, the power source section 63 converts the external power into predetermined lighting power and supplies it to the light source module 62, so that the light emitting element 80 of the light source module 62 lights up. The light from the light emitting element 80 is transmitted through the light transmitting portion 71 of the cover 60 and is emitted to the outside.

Heat generated by the light emitting element 80 during lighting is transmitted to the metal light source holder 61 and radiated.

Also, removal of the light source unit 16 from the instrument main body 20 will be explained.

As shown in FIG. 10, the end member 23 is moved outward in the longitudinal direction of the instrument main body 20. At this time, the end member 23 may be moved by inserting a tool such as a fingernail or a screwdriver between the end surface 41 of the end member 23 and the end surface 69 of the cover 60. The end surface portion 41 of the end member 23 moves into the gap 85 between the edge of the embedded opening 12 and the attachment portion 43 comes off from the end of the instrument body 20.

As shown in FIG. 11, the end member 23 that has come off the end of the instrument main body 20 is lowered by its own weight, or a fingernail, screwdriver, etc. By inserting and pulling down the tool, the contact portion 44 comes into contact with the upper surface side of the light source holding portion 61, and the edge portion 42 separates from the lower surface of the installed portion 11.

As shown in FIG. 12, by hooking a finger or a tool such as a screwdriver on the edge 42 of the end member 23 and pulling it down, the light source unit 16 is pulled down via the contact portion 44, and the mounting spring of the instrument body 20 is pulled down. By disengaging 22 from the spring receiving member 64 of the light source unit 16, the light source unit 16 is removed downward from the instrument main body 20.

Moreover, when reattaching the light source unit 16, the light source unit 16 is attached after attaching the end member 23 to the end of the instrument main body 20 in the reverse procedure of the removal procedure.

In the lighting device 10 of the embodiment, the end member 23 is moved outward in the longitudinal direction from the end of the instrument main body 20 and removed, and the light source unit 16 that the contact portion 44 of the end member 23 contacts is removed together with the end member 23. Since it can be removed from the fixture body 20, the lighting device 10 is installed in a semi-embedded state in the installed part 11, and the amount of protrusion of the cover 60 is small, making it difficult to remove by grasping the cover 60 and pulling it downward. Even in such a case, the light source unit 16 can be easily removed.

Furthermore, since there is a gap 85 for installation between the edge of the embedded opening 12 of the installed part 11 and the end member 23 of the lighting device 10 inserted and installed in the embedded opening 12, By moving the end member 23 using the gap 85, the end member 23 can be removed from the end of the instrument body 20.

Furthermore, when attaching the end member 23 to the end of the instrument main body 20, the guide section 45 is pressed against the lower surface side of the top plate section 25 of the instrument main body 20 while the end member 23 is directed toward the end of the instrument main body 20. By moving the end member 23, the attachment portion 43 of the end member 23 can be positioned and easily attached to the end of the instrument body 20.

Note that the opaque portion 72 of the end surface portion 69 of the cover 60 may be omitted, and in this case, the groove portion 53 and the relief portion 54 may not be provided in the end member 23.

Further, the lighting device 10 is not limited to a semi-embedded type that is semi-embedded in the embedded opening 12 of the installed portion 11, but may be a direct-mounted type that is directly attached to the surface of the installed portion 11.

Although several embodiments of the invention have been described, these embodiments are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, and changes can be made without departing from the gist of the invention. These embodiments and their modifications are included within the scope and gist of the invention, as well as within the scope of the invention described in the claims and its equivalents.

10 Lighting device 11 Installed part 12 Embedded opening 16 Light source unit 20 Instrument body 21 Attachment mechanism 23 End member 43 Attachment part 44 Contact part 45 Guide part 85 Gap

Claims (3)

A long instrument body;
A long light source unit;
an attachment mechanism that removably attaches the light source unit to the instrument body by moving the light source unit toward the instrument body from a direction intersecting the longitudinal direction of the instrument body;
a mounting portion that is attached to the longitudinal end of the instrument body by moving from the outside in the longitudinal direction and detached by moving outward in the longitudinal direction; and a surface in the direction of movement of the light source unit toward the instrument body. an end member having an abutment portion capable of abutting against;
A lighting device comprising: The instrument main body is configured such that a predetermined gap is provided in the embedded opening provided in the installed part between the end members attached to both ends of the instrument main body and the opening edge of the embedded opening. installed in
The lighting device according to claim 1, wherein the end member moves into the gap and detaches from the fixture main body. The lighting device according to claim 1 or 2, wherein the end member has a guide portion that protrudes in a direction opposite to the contact portion and can come into contact with the instrument main body.

Images