JP6058914B2 - lighting equipment - Google Patents

Description

  The present invention relates to a lighting fixture.

  2. Description of the Related Art Conventionally, there has been known a lighting fixture that performs indirect illumination of a wall surface or a floor surface by installing a plurality of them continuously in the longitudinal direction along, for example, an indoor wall surface or floor surface (see, for example, Patent Document 1). . An LED or a discharge lamp is used as a light source of this type of lighting fixture. In the lighting fixture of patent document 1, LED is used as a light source, and the LED element which is a point light source is arrange | positioned by the predetermined pitch inside the housing | casing of a lighting fixture. At both ends in the longitudinal direction of the housing, there are provided fixing portions for fixing to the installation surface independently of the adjacent lighting fixtures.

  A case where a plurality of the conventional lighting fixtures are continuously installed on the installation surface will be described with reference to the drawings. FIG. 7 is a plan view of a conventional lighting fixture. First, the first lighting fixture 111a at the end is arranged at a predetermined position, and the screws 119 are inserted into the mounting holes 145 of the fixing portions 117 provided at both ends of the housing 112 and screwed in. Both ends are fixed to the installation surface. A power line L1 is connected to the first lighting fixture 111a at the end to supply power.

  The 2nd lighting fixture 111b is arrange | positioned by making the fixing | fixed part 117 face | match a 1st lighting fixture 111a. By inserting the screws 119 through the mounting holes 145 of the fixing portions 117 provided at both ends of the housing 112 and screwing them in, the both ends of the second lighting fixture 111b are fixed to the installation surface. The second lighting fixture 111b is electrically connected to the first lighting fixture 111a through a feed line (not shown) to be supplied with electric power.

  After the third lighting fixture 111c, the installation is performed in the same manner as the second lighting fixture 111b, and the installation is continued up to the nth lighting fixture 111n located at the opposite end of the first lighting fixture 111a.

JP 2012-33401 A

  The conventional lighting fixture is provided with fixing portions at both ends in the longitudinal direction of the housing so as to protrude outward. In the vicinity of the fixed part, the illuminance tends to be lower than other parts. This is because the vicinity of the fixed portion is away from the light source provided in the housing, and light emitted from the light source provided in the housing is blocked by the fixed portion.

  In addition, when a plurality of the conventional lighting fixtures are installed continuously in the longitudinal direction, the fixing portions of adjacent lighting fixtures are arranged to face each other, and the casings provided with the light sources are arranged apart from each other. Is done. That is, when a plurality of the conventional lighting fixtures are continuously installed in the longitudinal direction, the portions where the fixing portions are abutted with each other and the housings are alternately arranged. For this reason, locations where the illuminance is low (near the butting position between the lighting fixtures) and locations where the illuminance is high appear alternately, making it difficult to make the light distribution uniform.

  In addition, since the conventional lighting fixture is provided so that the fixing portion protrudes at both ends in the longitudinal direction of the casing, for example, when the lighting fixture is arranged to face the wall, or a plurality of lighting fixtures When an L is arranged in an L shape or the like, a fixed portion is necessarily interposed between the wall or other lighting fixture and the housing. For this reason, it is difficult to arrange the luminaire so that the light distribution is uniform, and the degree of freedom of arrangement of the luminaire is limited.

  The present invention has been made to solve the above problems. A first object of the present invention is to provide a lighting fixture capable of obtaining a uniform light distribution. The second object of the present invention is to provide a lighting fixture with an increased degree of freedom in arrangement.

  The problem to be solved by the present invention is as described above. Next, means for solving the problem will be described.

That is, the lighting fixture of 1st invention is provided with a housing | casing, a light source part, and a fixing | fixed part.
The light source unit is disposed inside the housing.
The fixing portion is provided at an end portion in the longitudinal direction of the casing, and attaches the casing to the installation surface.
And a fixing | fixed part is provided with the attaching part provided so that the direction made to protrude with respect to a housing | casing was changeable. The attachment portion is rotatably provided at the center in the short direction of the casing , and at least a first state in which the mounting portion protrudes outside the end in the longitudinal direction of the casing and the short side of the casing It can be changed to the second state, which is a state of protruding outward in the direction.

The lighting fixture of the second invention is the lighting fixture of the first invention,
The attachment portion can be changed to a third state in which the attachment portion is housed inside the longitudinal end portion of the housing.

A lighting fixture of a third invention is the lighting fixture of either the first or second invention,
The second state is a state in which the attachment portion is protruded in a direction orthogonal to the longitudinal direction of the casing.

A lighting fixture of a fourth invention is the lighting fixture of any one of the first to third inventions,
The attachment portion is provided in the vicinity of the end portion in the longitudinal direction of the housing, and can be rotated 360 degrees.

The lighting fixture of the fifth invention is the lighting fixture of the fourth invention,
The fixing portion further includes an end plate portion.
The end plate portion is formed of a plate-like member and is provided on the end face of the housing.
A support portion extends from the end plate portion toward the center in the longitudinal direction of the housing on the lower surface side of the housing.
And an attaching part is provided in a support part.

  As effects of the present invention, the following effects can be obtained.

  According to the lighting apparatus of the first invention, the attachment portion of the fixed portion provided at the end portion in the longitudinal direction of the housing is provided so as to be able to change the projecting direction with respect to the housing. In the case where the lighting apparatus is installed in abutment with the lighting apparatus, it can be changed to the second state, which is a state in which the casing projects outward in the short direction. For this reason, when installing a plurality of lighting fixtures on the surface to be installed continuously in the longitudinal direction, the housings provided with the light source portions can be brought close to each other without interfering with the attachment portion. Therefore, the illuminance near the butting position of the plurality of lighting fixtures can be made equal to the illuminance of other portions, and uniform light distribution can be obtained. Also, when placing the lighting fixtures against the wall, or when arranging multiple lighting fixtures in an L-shape or the like, do not interpose the mounting portion between the wall or other lighting fixtures and the housing. can do. For this reason, it becomes easy to arrange | position a lighting fixture so that light distribution may become uniform, and the freedom degree of arrangement | positioning of a lighting fixture can be raised.

  According to the lighting fixture of the second invention, the attachment portion can be changed to the third state in which the attachment portion is housed inside the longitudinal end portion of the housing. For this reason, for example, when it is not necessary to fix a lighting fixture to a to-be-installed surface, it can be set as the state which accommodated the attaching part inside the edge part of the longitudinal direction of a housing | casing. Therefore, the freedom degree of arrangement | positioning of a lighting fixture can be raised.

  According to the lighting fixture of the third invention, the attachment portion can be projected in a direction orthogonal to the longitudinal direction of the housing. For this reason, for example, when installing a plurality of lighting fixtures on the surface to be installed continuously in the longitudinal direction, the housings provided with the light source portions can be brought close to each other without causing the attachment portion to interfere. Therefore, the illuminance near the butting position of the plurality of lighting fixtures can be made equal to the illuminance of other portions, and uniform light distribution can be obtained.

  According to the lighting fixture of the fourth aspect of the invention, the attachment portion is rotatably provided in the vicinity of the end portion in the longitudinal direction of the housing, and can be rotated 360 degrees. For this reason, it is possible to change the attachment portion to the first state, the second state, or the third state with a simple configuration.

  According to the lighting fixture of the fifth invention, the end plate portion is provided on the end surface of the housing, and the attachment portion is directed toward the center side in the longitudinal direction of the housing on the lower surface side of the housing. It is provided in the extended support part. For this reason, it is possible to change the attachment portion to the first state, the second state, or the third state with a simple configuration.

The perspective view of the lighting fixture 11 which concerns on Example 1 of this invention. Sectional drawing in the 2-2 line of FIG. The perspective exploded view which shows the state which attaches the end-plate part 31 and the attaching part 41 to the instrument main body 21. FIG. The bottom view which shows the state which changed the direction which protrudes the attaching part 41 with respect to the edge part of the housing | casing 12. FIG. The perspective view which shows the state which installed the several lighting fixture 11 continuously in the longitudinal direction. The perspective view which shows the state which has arrange | positioned the several lighting fixture 11 in substantially L shape. The top view which shows the state which installed the conventional lighting fixture 11 continuously in the longitudinal direction.

  Next, embodiments of the invention will be described with reference to the drawings.

  A lighting fixture 11 according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 to 6. As illustrated in FIG. 1, the shape of the lighting fixture 11 according to the first embodiment is an elongated substantially rectangular parallelepiped having a large ratio of the length in the longitudinal direction to the length in the short direction. The luminaire 11 can be installed alone on the installation surface W along the wall surface, floor surface, or the like, or a plurality of the luminaires 11 can be installed continuously in the longitudinal direction (see FIG. 5). It is also possible to arrange a plurality of lighting fixtures 11 in an L shape or the like (see FIG. 6). When a plurality of lighting fixtures 11 are continuously installed, the lighting fixture 11 installed at one end is connected to the power line L1 and supplied with power. Electric power is supplied to the other luminaires 11 by electrically connecting adjacent luminaires 11 with each other via a feed line L2 (see FIG. 3). The direction in which the luminaire 11 is installed is not particularly limited, and the luminaire 11 may be installed so as to irradiate light in any direction upward, downward, sideways. In the following description, the surface facing the installation surface W is the lower surface, and the surface on the opposite side to which light is irradiated is the upper surface.

  As illustrated in FIGS. 1 and 2, the lighting fixture 11 mainly includes a housing 12, a light source unit 13, a shade 14, a terminal block 15, a lighting device 16, and a fixing unit 17.

  The housing 12 includes an instrument main body 21 and a bottom plate portion 61. As shown in FIG. 3, the instrument main body 21 has a substantially H-shaped cross section and is formed of an extruded material of a metal material such as aluminum having thermal conductivity. The instrument main body 21 has a lateral plate portion 22 and side plate portions 23 formed on both sides of the lateral plate portion 22. The upper and lower sides of the horizontal plate portion 22 of the instrument main body 21 are open (open portions 27 and 28), and both end portions in the longitudinal direction are also open. An upper groove portion 24 for inserting and holding the shade 14 is opposed to the upper portion of the side plate portion 23, and a protrusion 25 for holding the bottom plate portion 61 is opposed to the lower portion of the side plate portions 23 on both sides. ing. On both sides of the lower portion of the horizontal plate portion 22, screw attachment portions 26 for attaching the fixing portion 17 with screws 39 are formed.

  As shown in FIG. 2, the bottom plate portion 61 closes a part of the lower opening portion 28 of the instrument main body 21. The bottom plate portion 61 is formed of a metal sheet metal member. The bottom plate portion 61 is placed under the instrument main body 21 and brought into contact with the protrusion 25. Both end portions of the bottom plate portion 61 are bent and fixed to the horizontal plate portion 22 of the instrument main body 21 with screws 62. The bottom plate portion 61 is shorter than the length in the longitudinal direction of the instrument main body 21 and is attached to the instrument main body 21, and the both ends in the longitudinal direction of the opening portions 28 in the lower part of the instrument main body 21 are opened without being closed. It is in the state that was done. The open portions 28 at both ends of the instrument main body 21 constitute a through-line portion 18 through which the power line L1 or the feed line L2 is inserted.

  The light source unit 13 includes a substrate 81 and a plurality of LED elements 82 as point light sources, and is disposed on the upper side of the horizontal plate unit 22 of the instrument main body 21. The LED elements 82 are arranged on the substrate 81 so that the pitch is constant in a state where the lighting fixtures 11 are continuously installed in the longitudinal direction. That is, when the pitch of the LED elements 82 straddling the end portions of the adjacent lighting fixtures 11 is P1, and the pitch of the LED elements 82 inside each lighting fixture 11 is P2, P1 and P2 are The LED elements 82 are arranged so as to be equal. In the present embodiment, the LED element 82 is used as the light source. However, other than this, a fluorescent lamp, a fluorescent lamp-type LED light source, or the like can be used, and the type of the light source is not limited.

  The shade 14 is a member that closes the open portion 27 on the upper part of the instrument main body 21 and transmits light from the light source unit 13 to form an irradiation surface. The seed 14 is formed of a translucent acrylic resin material having translucency, and is inserted and held from an end portion in the longitudinal direction of the upper groove portion 24 of the instrument main body 21.

  The terminal block 15 is configured such that the terminal of the power supply line L1 from the external power supply or the feed line L2 from the adjacent lighting fixture 11 is inserted into the insertion port and electrically connected. Two terminal blocks 15 are provided on both ends of the instrument main body 21 at the lower part of the horizontal plate portion 22 of the instrument main body 21. The insertion port of the terminal block 15 is directed to the end side of the instrument main body 21.

  The lighting device 16 is electrically connected to the light source unit 13 by an electric wire (not shown), and turns on the LED element 82 of the light source unit 13. The lighting device 16 is disposed below the horizontal plate portion 22 of the instrument main body 21. The lighting device 16 is electrically connected by the terminal block 15 and the electric wire 16a.

  The fixing portion 17 is for attaching the housing 12 to the installation surface W. As shown in FIGS. 1 and 2, the fixing portion 17 includes an end plate portion 31 and an attachment portion 41. Since the end plate portion 31 and the attachment portion 41 constituting the fixing portion 17 are attached to both end portions of the housing 12, two sets are used for one lighting fixture 11, but the end plate portion 31 and the common end plate portion 31 are used at both end portions. Since the attaching part 41 is used, the end plate part 31 and the attaching part 41 are each one kind. The end plate part 31 and the attachment part 41 are each formed of a metal sheet metal member.

  As shown in FIG. 3, the end plate portion 31 constitutes end surfaces (wife surfaces) at both ends in the longitudinal direction of the housing 12 and supports the attachment portion 41. The end plate portion 31 includes an end plate main body 32, a notch portion 34, and a support portion 35. The end plate main body 32 is a portion that closes the open portion of the end of the instrument main body 21. The end plate main body 32 is formed with a through-hole 33 for attaching the end plate portion 31 to the instrument main body 21 with a screw 39.

  The notch portion 34 constitutes the through-wire portion 18 through which the power supply line L1 or the feed line L2 is inserted, and has a shape capable of inserting the power supply line L1 or the feed line L2 connected to the terminal block 15. In the present embodiment, the width of the notch 34 is set to approximately half the length of the instrument main body 21 in the short direction. The notch 34 is formed such that at least the lower part is opened and the open part 28 at the lower part of the instrument main body 21 and the notch 34 communicate with each other with the end plate 31 attached to the instrument main body 21.

  The support portion 35 is a portion that supports the attachment portion 41. The support portion 35 is extended toward the center side in the longitudinal direction of the housing 12 on the lower surface side of the end plate main body 32. The support part 35 has a first arm part 36 and a second arm part 37.

  The first arm portion 36 is formed to be unevenly distributed on the opposite side of the above-described notch portion 34 with respect to the longitudinal center line of the instrument main body 21. In the present embodiment, the width of the first arm portion 36 is set to substantially half the length of the instrument main body 21 in the short direction. The first arm portion 36 is bent with respect to the end plate main body 32 in the vicinity of the fixed end so as to be positioned above the lower surface of the main body 21 of the instrument with the end plate portion 31 attached to the main body 21 of the instrument.

  The second arm portion 37 is formed on the free end side of the first arm portion 36 so as to protrude in a substantially L shape on the longitudinal center line of the instrument main body 21. The second arm portion 37 is formed with a through hole 38 for pivotally supporting the attachment portion 41. The position where the through hole 38 is formed is on the center line in the longitudinal direction of the instrument main body 21 with the end plate portion 31 attached to the instrument main body 21, and from the end of the instrument main body 21 in the longitudinal direction. This is a position that is approximately a half the length of 21 in the short direction.

  The attachment portion 41 is a member that is directly fixed to the installation surface W by a fixing portion such as a screw. The attachment portion 41 is rotatably supported with respect to the support portion 35 and is provided so that the direction in which the attachment portion 41 protrudes with respect to the end portion of the housing 12 can be changed. The attachment portion 41 includes an attachment portion main body 42, a third arm portion 43, and a contact portion 44.

  The attachment portion main body 42 is a portion that protrudes from the end portion of the housing 12 and is fixed to the installation surface W. The width of the attachment main body 42 is substantially the same as the length of the instrument main body 21 in the short direction. An attachment hole 45 for fixing the housing 12 to the installation surface W with a screw 19 as a fixing portion is formed in the attachment portion main body 42. The attachment hole 45 is formed in a portion where the attachment portion main body 42 protrudes with respect to the end portion of the housing 12.

  The third arm portion 43 is a portion extending with respect to the attachment portion main body 42. The third arm portion 43 is formed with a through hole 46 that is rotatably supported by the support portion 35 of the end plate portion 31. A screw 47 is passed through the through hole 46 and the through hole 38 of the support portion 35 and is appropriately tightened with a nut 48 with a locking stopper, and the mounting portion 41 is pivotally supported on the support portion 35 of the end plate portion 31. The third arm portion 43 is configured so that the screw 47 protrudes from the lower surface of the instrument main body 21 and does not contact the installation surface W in a state where the mounting portion 41 is pivotally supported by the support portion 35 of the end plate portion 31 with the screw 47. The vicinity of the through hole 46 is bent upward.

  The contact portion 44 is a portion that comes into contact with the installation surface W when the lighting fixture 11 is placed on the installation surface W. The contact portion 44 is formed by bending the free end side of the third arm portion 43.

  With the above configuration, as shown in FIG. 4, in this embodiment, the attachment portion 41 is rotatably provided in the vicinity of the end portion of the housing 12 and can be rotated 360 degrees. And the attaching part 41 can change the direction made to protrude with respect to the edge part of the housing | casing 12 by rotating the attaching part 41 with respect to the housing | casing 12. FIG. As shown in FIG. 4A, a state in which the attachment portion 41 protrudes outside the end portion in the longitudinal direction of the housing 12 is a first state. Moreover, as shown to FIG. 4B and FIG. 4C, let the state protruded to the outer side of the transversal direction of the housing | casing 12 be a 2nd state. In other words, the second state is a state in which the mounting portion 41 is protruded in a direction that does not interfere with the adjacent lighting fixture 11 when installed in contact with the adjacent lighting fixture 11. In this state, the body 12 is projected in a direction perpendicular to the longitudinal direction of the body 12. Furthermore, in this embodiment, as shown in FIG. 4D, the attachment portion 41 can be changed to the third state in which the attachment portion 41 is housed inside the longitudinal end portion of the housing 12.

  Next, a procedure for installing the plurality of lighting fixtures 11a to 11n of the present embodiment on the installation surface W in the longitudinal direction will be described.

  As shown in FIG. 5, first, among the plurality of lighting fixtures 11a to 11n, the lighting fixture 11a installed on one end side is installed. First, the terminal of the power supply line L1 is connected to one terminal block 15 of the lighting fixture 11a. The other terminal block 15 of the lighting fixture 11a connected to the power line L1 is connected to a terminal of a feed line (not shown) for connecting to the lighting fixture 11b to be constructed next.

  The end plate part 31 and the attachment part 41 which comprise the fixing | fixed part 17 are attached to the both ends of the longitudinal direction of the fixture main body 21 of the lighting fixture 11a connected to the power wire L1 (refer FIG. 3). It is assumed that the shade 14 and the bottom plate portion 61 are already attached to the instrument main body 21, and after attaching the attachment portion 41 to the end plate portion 31, the end plate portion 31 is attached to the instrument main body 21 with screws 39.

  Subsequently, the direction of the attachment portion 41 is adjusted. In FIG. 5, among the attachment portions 41 at both ends of the luminaire 11 a, the attachment portions 41 on the side where the luminaire 11 b is abutted are projected in a direction orthogonal to the longitudinal direction of the housing 12 (second State). The attachment portion 41 on the opposite side (the side on which the adjacent lighting fixture 11b is not abutted) is in a state of projecting to the outside of the end portion in the longitudinal direction of the housing 12 (first state).

  And the lighting fixture 11a is arrange | positioned in the position which should be installed. The luminaire 11 a is fixed to the installation surface W by inserting the screw 19 as the fixing portion into the mounting hole 45 and screwing it in.

  Next, the lighting fixture 11b adjacent to the lighting fixture 11a is installed. The terminal of the feed line (not shown) of the lighting fixture 11a previously installed is connected to one terminal block 15 of the lighting fixture 11b, and the lighting fixture 11a and the lighting fixture 11b are electrically connected. The other terminal block 15 of the lighting fixture 11b is connected to a terminal of a feed line (not shown) for connecting to the lighting fixture 11c to be installed next. The end plate part 31 and the attachment part 41 which comprise the fixing | fixed part 17 are attached to the both ends of the fixture main body 21 of the lighting fixture 11b similarly to the lighting fixture 11a.

  Subsequently, the direction of the attachment portion 41 is adjusted. About the lighting fixture 11b, let the attachment part 41 of the both ends of the lighting fixture 11b be the state protruded in the direction orthogonal to the longitudinal direction of the housing | casing 12 (2nd state). And it arrange | positions so that the lighting fixture 11b may be faced | matched in the position continuous in the longitudinal direction of the lighting fixture 11a. The lighting device 11b is fixed to the installation surface W by inserting the screw 19 as the fixing portion into the mounting hole 45 and screwing it in.

  In this way, by setting the attachment portion 41 at the position where the luminaire 11a and the luminaire 11b abut each other to the second state, the housings 12 can be installed close to each other without causing the attachment portion 41 to interfere. . Hereinafter, the lighting apparatuses 11c to 11n installed adjacent to the lighting apparatus 11b are also installed by the same procedure.

  Next, an example of a procedure for arranging the plurality of lighting fixtures 11 of the present embodiment in a substantially L shape will be described with reference to FIG. In FIG. 6, the lighting fixture 11b is arrange | positioned in the position orthogonal to the lighting fixture 11a.

  About the lighting fixture 11a, it is set as the state (1st state) which made the attachment part 41 of the both ends of the lighting fixture 11a protrude outside the edge part of the longitudinal direction of the housing | casing 12. FIG. The luminaire 11 a is fixed to the installation surface W using screws 19. On the other hand, for the lighting fixture 11b, the mounting portions 41 at both ends of the lighting fixture 11b are housed inside the longitudinal ends of the housing 12 (third state), and the housing 12 of the lighting fixture 11b is placed. The end portion is disposed so as to abut the side portion of the housing 12 of the lighting fixture 11a. In addition, about the lighting fixture 11b, since the attaching part 41 of the both ends of the lighting fixture 11b is made into the state accommodated inside the edge part of the longitudinal direction of the housing | casing 12 (3rd state), it is covered without using the screw 19. It is only placed on the installation surface W.

  Thus, it is possible to install the housings 12 close to each other without causing the mounting portion 41 to interfere even when the mounting portion 41 at the position where the lighting fixture 11a and the lighting fixture 11b are brought into contact with each other is set to the third state. it can.

  According to the lighting fixture 11 which concerns on a present Example demonstrated above, it has the following effects.

  The attachment portion 41 of the fixing portion 17 provided at the longitudinal end portion of the housing 12 of the lighting fixture 11 is provided so as to be able to change the direction in which the fixing portion 17 protrudes with respect to the housing 12, and matches the adjacent lighting fixture 11. Can be changed to the second state, which is a state in which the housing 12 protrudes outward in the short direction. For this reason, when installing a plurality of lighting fixtures 11 on the installation surface W continuously in the longitudinal direction, the casings 12 provided with the light source portions 13 can be brought close to each other without causing the attachment portion 41 to interfere. it can. Therefore, the illuminance near the butting position of the plurality of lighting fixtures 11 can be made equal to the illuminance of other portions, and uniform light distribution can be obtained. Further, when the luminaire 11 is arranged to face the wall, or when a plurality of luminaires 11 are arranged in an L shape or the like, the mounting portion 41 is provided between the wall or another luminaire 11 and the housing 12. Can be prevented from interposing. For this reason, it becomes easy to arrange | position the lighting fixture 11 so that light distribution may become uniform, and the freedom degree of arrangement | positioning of the lighting fixture 11 can be raised.

  The attachment portion 41 of the lighting fixture 11 can be changed to a third state in which the attachment portion 41 is housed inside the longitudinal end of the housing 12. For this reason, when it is not necessary to fix the lighting fixture 11 to the to-be-installed surface W, the attachment part 41 can be made into the state accommodated inside the edge part of the longitudinal direction of the housing | casing 12. FIG. Therefore, the freedom degree of arrangement | positioning of the lighting fixture 11 can be raised.

  When installing a plurality of lighting fixtures 11 on the installation surface W continuously in the longitudinal direction, the attachment portion 41 can be protruded in a direction orthogonal to the longitudinal direction of the housing 12. For this reason, when installing a plurality of lighting fixtures 11 on the installation surface W continuously in the longitudinal direction, the casings 12 provided with the light source parts 13 can be brought closer to each other without causing the attachment part 41 to interfere. it can. Therefore, the illuminance near the butting position of the plurality of lighting fixtures 11 can be made equal to the illuminance of other portions, and uniform light distribution can be obtained.

  The attachment portion 41 of the lighting fixture 11 is rotatably provided in the vicinity of the end portion in the longitudinal direction of the housing 12 and can rotate 360 degrees. For this reason, it is possible to change the attachment portion 41 to the first state, the second state, or the third state with a simple configuration.

  An end plate portion 31 is provided on the end surface of the housing 12 of the luminaire 11, and the attachment portion 41 extends toward the center in the longitudinal direction of the housing 12 on the lower surface side of the housing 12. The support portion 35 is provided. For this reason, it is possible to change the attachment portion 41 to the first state, the second state, or the third state with a simple configuration.

  The mounting portion 41 of the luminaire 11 has a width of a portion protruding outside the end portion in the longitudinal direction of the housing 12 that is substantially the same as the length in the short direction of the housing 12. And from the end in the longitudinal direction of the housing 12 to be pivotally supported at a position that is approximately a half the distance in the short direction of the housing 12. For this reason, it is possible to prevent the mounting portion 41 from projecting in the longitudinal direction of the housing 12 by projecting the mounting portion 41 in a direction orthogonal to the longitudinal direction of the housing 12. Therefore, when installing it facing the adjacent lighting fixture 11, it can prevent the attaching part 41 from interfering with the adjacent lighting fixture 11. FIG.

  The attachment part 41 of the lighting fixture 11 is formed of a plate-like member, and an attachment hole 45 for fixing and an abutting part 44 that contacts the installation surface W are formed. Since the height of the attachment part 41 can be formed low by forming the attachment part 41 with a plate-like member, the height of the lighting fixture 11 can be suppressed low. Further, the lighting device 11 can be stably installed on the installation surface W by the contact portion 44 coming into contact with the installation surface W.

  Although the embodiments of the present invention have been described above, the present invention is not limited to the above-described embodiments, and various modifications can be made. For example, the shapes of the lighting fixture 11, the end plate portion 31, the attachment portion 41, and the like are not limited to the embodiments.

  Moreover, since the end plate part 31 and the attachment part 41 are common parts and the light source part 13 is a unit, the instrument main body 21 is lengthened, and the number of the light source parts 13 arrange | positioned in the instrument main body 21 is increased / decreased. Thereby, the lighting fixture 11 from which length differs can be manufactured easily.

DESCRIPTION OF SYMBOLS 11 Lighting fixture 12 Case 13 Light source part 14 Sed 17 Fixing part 19 Screw as fixation part 21 Instrument main body 31 End plate part 32 End plate main body 33 Through-hole 34 Notch part 35 Support part 36 1st arm part 37 2nd arm part 41 mounting portion 42 mounting portion main body 43 third arm portion 44 abutting portion 45 mounting hole 46 through hole 47 screw 48 nut 48 with locking stopper W installation surface

Claims (5)

A housing,
A light source unit disposed inside the housing;
A fixing portion provided at an end portion in a longitudinal direction of the housing, and for attaching the housing to an installation surface;
With
The fixed portion includes an attachment portion provided to be able to change a direction of projecting with respect to the housing.
The mounting portion is rotatably provided at the center of the casing in the short direction, and at least a first state in which the mounting portion protrudes outside an end portion in the longitudinal direction of the casing, and the casing. A lighting apparatus that can be changed to a second state in which the body protrudes outward in the lateral direction of the body. The lighting fixture according to claim 1,
The luminaire can be changed to a third state in which the attachment portion is housed inside the longitudinal end portion of the housing. It is a lighting fixture of any one of Claim 1 or 2,
The lighting device according to claim 2, wherein the second state is a state in which the attachment portion is protruded in a direction orthogonal to the longitudinal direction of the housing. It is a lighting fixture of any one of Claim 1 to 3,
The mounting portion is provided in the vicinity of an end portion in the longitudinal direction of the casing , and is rotatable by 360 degrees. It is a lighting fixture of Claim 4, Comprising:
The fixing portion further includes an end plate portion,
The end plate portion is formed of a plate-like member and is provided on the end face of the housing.
In the end plate portion, on the lower surface side of the housing, a support portion extends toward the center side in the longitudinal direction of the housing,
The mounting portion is provided on the support portion.

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