JP3077730B2 - lighting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting fixture embedded in a ceiling, for example.

[0002]

2. Description of the Related Art Hitherto, for example, a structure shown in FIG. 7 has been known as this kind of lighting equipment.

In the lighting apparatus shown in FIG. 7, a reflecting plate 62 which expands downward is attached along the longitudinal direction to the lower surface of a chassis 61 which is bent downward on both sides in the longitudinal direction. An end face opening at both ends in the longitudinal direction is closed, and a reflection end plate 63 is attached to form an instrument body 64. Further, a pair of lamp sockets 66 are mounted on socket mounting bases 65 provided at both ends of the appliance body 64 so as to face each other.

[0004] In addition, a pair of hole-shaped mounting holes 68 are formed at approximately the center of the upper surface near both ends in the longitudinal direction of the chassis 61 so as to face each other along the longitudinal direction of the chassis 61. Further, on both sides of these mounting holes 68, the chassis
Elongated positioning holes 69 are respectively formed along the longitudinal direction of 61.

[0005] A support member 70 for supporting the instrument body 64 on a ceiling frame (not shown) is attached near both ends of the instrument body 64 in the longitudinal direction. This support 70 has a rectangular flat plate portion whose longitudinal dimension is slightly longer than the width dimension of the instrument body 64.
And a support leg 73 provided with a support portion 72 which is bent downward at both ends in the longitudinal direction of the flat plate portion 71 and which is mounted on the ceiling frame at the lower end thereof.

The flat plate portion 71 has a screw hole for screwing a screw 74 inserted into the mounting hole 68 of the chassis 61 at substantially the center, and engages with the positioning holes 69 of the chassis 61 at both ends in the longitudinal direction. The engagement claw 75 is cut and raised downward.

Then, the engaging claw 75 of the flat plate portion 71 of the support 70 is engaged with the positioning hole 69 of the chassis 61 so as to straddle the instrument body 64 in the width direction, and the screw is inserted through the mounting hole 68 of the chassis 61. 74 is screwed into the screw hole of the flat plate 71, and the support 70 is
It is attached to 64.

On the other hand, when the apparatus main body 64 to which the support 70 is attached is mounted on a ceiling frame, the support 70 is mounted on a ceiling frame (not shown) by means of a hanging tool such as an anchor for supporting the ceiling frame from the ceiling slab or a duct of an air conditioner. If the support portion 72 cannot be placed on the ceiling frame, remove the screw 74 attaching the support 70, remove the engaging claw 75 of the support 70 from the positioning hole 69, and remove the support 70 from the instrument body 64. . And another mounting hole 68
The engaging claw 75 of the removed support 70 is engaged with the engaging claw 75 in another positioning hole 69, and the screw 74 is screwed, and the support 70 is again attached to the instrument body 64. Attach, the support part 72 of the support 70 is placed on the ceiling frame, and the instrument body 64 is supported on the ceiling frame via the support 70.

[0009]

However, in the case of the lighting fixture shown in FIG. 7 described above, if the support of the fixture main body 64 to the ceiling frame is hindered by a hanging tool or a duct, the lighting fixture is not supported.
It is necessary to reattach the device 70, and there is a problem that the workability of the instrument body 64 becomes complicated.

When a light control body or the like is mounted below the fixture body 64, the support body must be positioned above and supported by the ceiling frame so that the light control body does not protrude from the ceiling surface. It is necessary to use separate supports 70 having different lengths in the vertical direction of the support legs 73 of 70, and the number of parts increases,
There is a problem that parts management becomes complicated and manufacturing costs increase. Further, there is a problem that the work of replacing the support 70 must be performed, and the workability is complicated.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a lighting fixture in which the workability of the fixture body is improved.

[0012]

According to the first aspect of the present invention, there is provided a luminaire having socket mountings respectively disposed at both ends in a longitudinal direction.
Table and these socket mounts are installed facing each other.
Vignetting lamp sockets, and, along the longitudinal direction on the upper surface
An instrument body having a plurality provided mounting holes I to elongate; long in a direction crossing against the longitudinal direction of the instrument body
The main body of the instrument is slidably inserted while being guided approximately at the center of the hand
A sliding portion having a cut-out portion to be engaged ; a mounting hole in the instrument body
Slidably along the longitudinal direction of the instrument body
Mounting means for attaching the part to the instrument body; longitudinal direction of the sliding part
A support leg at both ends Re each provided et the vertically movable is placed in the <br/> mounting on table you support the instrument body countercurrent;
It is provided with.

According to a second aspect of the present invention, in the lighting apparatus of the first aspect, the sliding portion is provided at both ends in the longitudinal direction.
Holding plate portion bent substantially vertically toward the side, this holding plate portion
The front end is provided on the outer surface near both edges in the vertical direction, facing roughly
Protruding from the outer surface on the engaging claw portion and the holding plate portion
A bent and formed elastically engaging piece,
The leg portion is held between the engagement claws so as to be vertically movable.
It is formed in the shape of a flat plate, and the engagement pieces are engaged so that it can
It is provided with a plurality of engagement holes provided in each direction .

[0014]

In the lighting fixture according to the first aspect, the fixture main body is made to slide.
Into the notch of the instrument body, and
With a plurality of elongated mounting holes
The elongated sliding portion at both ends of the longitudinal direction are provided movably support leg in the vertical direction, along the longitudinal direction of the instrument body sliding
Possible to extend in a direction crossing the longitudinal direction of the instrument body
The support leg is rotated in the longitudinal direction of the instrument body while guiding the support leg at the predetermined position on the mounting table with the notch.
Sliding the sliding portion without moves up and down with respect to the sliding portion of the support leg so that the instrument body to a predetermined height, placing the lower end of the support leg body to be table Since the instrument body is supported, the sliding part and support legs are simple and secure.
Constant slidably mounted, easily supported is the only vessel tool body place slides the sliding portion and the support leg
The workability is improved.

According to a second aspect of the present invention, there is provided the lighting apparatus according to the first aspect, wherein the mounting portion has a lower portion at both ends in the longitudinal direction.
Projecting from the outer surface to the holding plate part bent almost vertically toward
The elastically provided engaging piece part provided by
The upper end is located between the engagement claws formed by cutting and raising the ends substantially opposing each other.
Up and down of a flat support leg held movably downward
Support legs that are detachably engaged with a plurality of engagement holes provided in
Order to move vertically in a predetermined position with respect to the sliding portion of the instrument body in a simple structure easily position to the table
The location change, improve the workability.

[0016]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a lighting device according to an embodiment of the present invention.

2 and 3, reference numeral 11 denotes a ceiling frame serving as a mounting table. The ceiling frame 11 has a substantially inverted T-shape, and is substantially parallel at a sufficiently large interval, for example, 1.2 m or 1.5 m. Plural units are provided and are suspended by suspension bolts or the like fixed to a ceiling slab (not shown).

A mounting portion 12 is formed on the upper surface of the lower side of the ceiling frame 11, and the mounting portions 12, 12 of the ceiling frames 11, 11 are formed.
Ceiling boards (not shown) are respectively supported above, and irradiation openings 13 are formed between ceiling frames 11 to which the ceiling boards are not attached.

On the other hand, reference numeral 14 denotes a tool main body.
As shown in FIGS. 1 to 6, the chassis 15 includes a chassis 15, a socket mount 16, and a reflector 17.
Is formed such that both sides in the longitudinal direction of the rectangular top plate 19 are bent substantially vertically downward, and the lower end is further bent into a U-shape to form a U-shaped cross section. Further, in the vicinity of both ends in the longitudinal direction of the top plate portion 19, a pair of elongated mounting holes 20 are drilled in the longitudinal direction. Further, on the lower surface of the chassis 15, a terminal block 21a, a lighting device 21b, and the like to which a power supply line (not shown) is connected are provided.

At both ends of the chassis 15 in the longitudinal direction, socket mounting bases 16 formed in a substantially L-shape are provided to face each other. Also, the socket mount 16 has
The lamp sockets 23 are mounted facing each other, and a straight tube lamp 23a is mounted on the facing lamp sockets 23.

Further, a reflective end plate 24 having a substantially equilateral trapezoidal flat surface is located on the inside of the lamp socket 23 on the side where the lamp 23a is mounted, and the upper end thereof is screwed with a screw 25 or the like. The reflection surface 26 is suspended and supported so as to face each other. Further, an insertion hole 27 through which the lamp 23a is inserted is formed in the reflection end plate 24 corresponding to the lamp socket 23.

A mounting piece 29 is cut and raised on the inner surface of the reflecting end plate 24. The mounting piece 29 is expanded downward in a substantially M-shaped cross-section and provided with a reflecting surface 26 on the inner surface. Plate 17
However, the end face is closed by a reflective end plate 24 and attached by a decorative screw 30.

On the other hand, reference numeral 32 denotes a support. The support 32 includes a sliding portion 33 formed in a U-shape and a supporting leg 34 slidably attached to the sliding portion 33. The sliding portion 33 is formed with a rectangular flat plate portion 35 whose longitudinal dimension is substantially the same as the width of the reflecting plate 17 of the instrument body 14.
Further, in the sliding portion 33, a holding plate portion 36 is formed by bending both ends in the longitudinal direction of the flat plate portion 35 substantially vertically downward.

At the approximate center of the flat plate portion 35, a chassis
Screw holes (not shown) are formed corresponding to the 15 mounting holes 20. Also, on both sides in the longitudinal direction of the flat plate portion 35, a holding plate portion
A flange portion 37 is bent substantially vertically downward in the same direction as the bending direction of 36, and has a width substantially the same as the width direction of the chassis 15 of the instrument body 14 substantially at the center of the flange portion 37. A notch 38 into which the chassis 15 is inserted is formed by notch.

In the vicinity of both edges in the vertical direction of the holding plate portion 36, engaging claw portions 39 are provided on the outer surface so that the tips are opposed to each other. Is formed. In addition, a substantially U-shaped recess (not shown) is formed in a substantially central portion of the lower end edge of the holding plate portion 36.

An engaging piece 41 is attached to the holding plate 36 with a rivet 42 so as to close the recess. The engagement piece 41 is elastically bent into a substantially rectangular shape with elasticity,
It is attached so as to protrude from the outer surface of the holding plate portion 36.

On the other hand, the support leg 34 is formed in a flat plate shape having a width slightly smaller than the distance between the opposing engaging claws 39 of the holding plate portion 36. A window 44 having a longitudinal direction is formed in the opening, and an engaging piece
The rivet 42 for attaching 41 is inserted. Also, this window
A second engaging hole 45 having a longitudinal direction in the width direction is formed substantially at the center of the engaging portion 41, and an engaging piece portion 41 that bends and projects from the outer surface of the holding plate portion 36 is engaged. Further, in the vicinity of the lower end edge of the support leg 34 , a first engagement hole 46 with which the engagement piece 41 is engaged is formed in the same shape as the second engagement hole 45.

The supporting leg portion 34 is formed at the lower end edge thereof with an L-shaped fixing piece 48 bent downward on the outer surface side. Further, an elastic piece 49 having elasticity and having a lower end bent outward is attached to one side of the fixing piece 48 of the support leg 34 with a rivet 42.

Then, the chassis 15 of the instrument body 14 is inserted into the notch 38 of the sliding portion 33 of the support 32, and the screw hole of the sliding portion 33 is inserted through the mounting hole 20 of the chassis 15 as mounting means. A screw 50 is screwed on, and the support 32 is attached to each of the vicinity of both ends in the longitudinal direction of the instrument body 14 so as to straddle the instrument body 14. Also, the fixing piece of the support leg 34 of the support 32
The lower surface of the ceiling frame 11 is placed on the upper end of the ceiling frame 11, the elastic pieces 49 are engaged with the side surfaces of the ceiling frame 11, and the appliance body 14 is supported by the ceiling frame 11 via the support 32.

Next, the assembling operation of the above embodiment will be described.

When supporting the appliance body 14 on the ceiling frame 11, the support 32 may abut against a hanging bolt from a ceiling slab (not shown) for suspending and supporting the ceiling frame 11 or a duct for air conditioning equipment (not shown). Screw 50 with support 32 attached
The support 32 is appropriately slid in the longitudinal direction of the instrument body 14 while guiding the chassis 15 of the instrument body 14 inserted into the notch 38 at the edge of the notch 38 of the sliding portion 33 by loosening the screw of Then, the support 32 is fixed by screwing the screw 50 again. And the support
The lower surface of the fixing piece 48 of the support leg 34 of 32 is placed on the upper end of the ceiling frame 11, the elastic piece 49 is engaged with the side of the ceiling frame 11, and the instrument body 14 is It is supported by the ceiling frame 11.

As shown in FIG. 6, when the light control body 52 is mounted below the instrument body 14, the support legs 34 of the support 32 are engaged with the holding plate 36 of the sliding portion 33. The guide is slid downward with respect to the holding plate 36 while being guided by the claw 39. That is, the support leg 34 is slid downward against the elasticity of the engagement piece 41 engaging with the first engagement hole 46, and the upper end of the engagement piece 41 is While being elastically deformed at the upper edge, the pressing portion is pressed against the holding plate portion 36 to remove the engaging piece portion 41 engaging with the first engaging hole 46. When the support leg 34 is further slid downward and the engagement piece 41 sliding on the inner surface side of the support leg 34 is located in the second engagement hole 45, the engagement piece 41 is elastically moved to the second engagement hole 45. And the support leg 34 is positioned and fixed again.

Then, the lower surface of the fixing piece 48 of the support leg 34 is slid downward, and the lower surface of the fixing piece 48 is placed on the upper end of the ceiling frame 11, and the elastic piece 49 is engaged with the side surface of the ceiling frame 11. Body 14
Is supported on the ceiling frame 11 via the support 32. Further, the light control body 52 is inserted into the irradiation openings 13, 13, and the lower edge of the light control body 52 is placed on the mounting portions 12, 12 of the ceiling frame 11, and the light control body 52 is placed under the fixture body 14. 52 is arranged.

When the light control body 52 whose lower end is placed on the mounting portions 12 and 12 of the ceiling frame 11 and is disposed below the apparatus main body 14 is removed, the lower end edge of the light control body 52 is attached to the ceiling. Placement part 12 of frame 11,
The light control body 52 is taken out from the irradiation openings 13 and 13 by removing the light control body 52 from the irradiation opening 13. Then, the engaging piece 41 engaging with the second engaging hole 45 is elastically deformed to disengage, the tool main body 14 is pulled downward together with the support 32, and the support leg 34 is Holding plate part 36
Relatively, and the engaging piece 41 is elastically engaged with the first engaging hole 46, the support leg 34 is positioned and fixed again, and the instrument body 14 is supported via the support 32. Let them support you again.

Therefore, according to the above embodiment, the ceiling frame
If the support 32 abuts these hanging bolts or ducts and the support of the appliance body 14 to the ceiling frame 11 is hindered by hanging bolts or air conditioning equipment ducts that suspend and support It is not necessary to reattach the support 32 as in
By simply sliding the 32 to a position where it is not hindered, the instrument body 14 can be easily supported on the ceiling frame 11 and the workability of the instrument body 14 can be improved.

Further, since the screw 50 is not removed, there is no possibility that the screw 50 will be lost when the support 32 is reattached. In addition, since the notch 38 for inserting the chassis 15 of the instrument body 14 into the sliding portion 33 is cut out, the chassis 32 of the instrument body 14 is slidably moved in the longitudinal direction of the instrument body 14.
At 15, the edge of the notch 38 of the sliding portion 33 is guided, and the sliding movement of the support 32 can be performed smoothly and easily.

Then, the screw 50 for attaching the support 32 is
Mounting holes drilled in an elongated shape along the longitudinal direction of the instrument body 14
By inserting the 20, the longitudinal direction for slidably mounting configuration, without productivity of the equipment main body 14 is impaired, the instrument body support 32 with a simple configuration of the support member 32 fixture main body 14
14 can be slidably mounted while preventing rotation along the longitudinal direction .

Further, since the support leg 34 of the support 32 can be slid in the vertical direction, the instrument main body 14 from the irradiation openings 13 and 13 can be moved.
The position of the light control body 52 can be easily changed, the light control body 52, etc., can be easily attached to the instrument body 14 without reattaching the separate support body 32 , and the support leg 34 is vertically movable.
The sliding part 33 of the support 32 attached is in the longitudinal direction of the instrument body 14.
The instrument body 14 relative to the irradiation aperture 13
The position can be changed in two directions, and the workability can be improved .

In the above embodiment, a pair of mounting holes 20 are provided at both ends in the longitudinal direction of the chassis 15, and the supports 32 are located in these mounting holes 20 near both ends in the longitudinal direction of the instrument body 14. has been described respectively attached, for example, the top says 11 is attached to one support 32 substantially in the center of <br/> chassis 15 such as attaching the instrument body 14, the supporting bearing member 32 1 Zur
Rui can even those multiple attachment.

The same effect can be obtained by using a shade or a louver for the light control body 52.

Further, the instrument body 14 may be one in which the chassis 15, the socket mount 16, the reflection plate 17, and the reflection end plate 24 are integrally formed.

Although the description has been made using the screw 50 as the mounting means, any structure capable of slidably mounting the support may be used.

[0043]

According to the lighting equipment of the first aspect, the lighting equipment
Insert the main body into the notch of the sliding part, and
Along the mounting means inserted through a plurality of elongated mounting holes
Slidably instrument present along a sliding portion having a movable support leg in the vertical direction at both ends of the direction in the longitudinal direction of the vessel device body
Attached longitudinally in a direction crossing the longitudinal direction of the body
Because, as the supporting legs at a predetermined position of the table
Do not rotate with respect to the instrument body while guiding at the notch
Slide the sliding part in the longitudinal direction of the instrument body, and raise and lower the supporting legs with respect to the sliding part so that the instrument body is at the specified height.
Direction, and the lower end of the supporting leg is placed on the mounting table to support the instrument body, so that the sliding portion and the supporting leg are simple.
Stable and slidable mounting without rotation
Can, only to slide the sliding portion and the support leg can be improved workability can easily support the instrument body in a predetermined position.

According to the lighting device of the second aspect , in addition to the effect of the lighting device of the first aspect , both of the mounting portion in the longitudinal direction are provided.
The outer surface is attached to the holding plate that is bent almost vertically downward at the end.
The elastically protruding engagement piece that is provided
Up and down of the flat support legs held between the engaging claws of the holding plate
Support legs that are detachably engaged with a plurality of engagement holes provided in
It is moved in the vertical direction in a predetermined position with respect to the sliding portion of the order, easily-position to the table of the instrument body in a simple structure
It can be changed and the workability can be improved .

[Brief description of the drawings]

FIG. 1 is a perspective view showing one embodiment of a lighting fixture of the present invention.

FIG. 2 is a longitudinal sectional view of the same.

FIG. 3 is a front view showing how the chassis and the support are mounted on the chassis.

FIG. 4 is a plan view showing a sliding movement state of the support.

FIG. 5 is a side view showing the vicinity of the support.

FIG. 6 is a longitudinal sectional view showing a state where the light control body is attached.

FIG. 7 is a perspective view showing an embodiment of a conventional lighting fixture.

[Explanation of symbols]

 11 Ceiling frame as mounting base 14 Instrument body 16 Socket mounting base 20 Mounting hole 23 Lamp socket 32 Support 33 Sliding part 34 Support leg 38 Notch 50 Screw as mounting means

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) F21S 4/00 F21S 8/02 F21V 21/04

Claims (2)

(57) [Claims] 1. A respectively disposed at both longitudinal ends have been Seo
Socket mount, facing these socket mounts
Lamp sockets provided respectively , and long on the top
And <br/> instrument body having a plurality provided mounting holes elongated along the longitudinal direction; elongated in a direction crossing against the longitudinal direction of the instrument body
Slidably inserts while guiding the instrument body to the approximate center
A sliding portion having a cut-out portion to be inserted ; the sliding portion being inserted through a mounting hole of the instrument body and extending along the longitudinal direction of the instrument body.
Means for attaching the sliding part to the instrument body so that it can slide
When; that provided with the; vertical movably placed on the <br/> Ru supporting legs to support the device body respectively provided et Re a mounting on table in the longitudinal direction of the both end portions of the sliding portion Lighting equipment characterized by the above-mentioned. 2. The sliding part has a downward direction at both ends in the longitudinal direction.
Plate that is bent substantially vertically, and the top and bottom of this plate
On the outer surface near both edges in the direction
The engaging claw and the holding plate protrude from the outer surface and
An engaging piece portion having a curved elasticity is provided, and the support leg portion is held between the engaging claw portions so as to be vertically movable.
The engaging pieces are detachably engaged with each other and
The lighting fixture according to claim 1 , further comprising a plurality of engagement holes provided in a downward direction .