JPH08102203A - Luminaire - Google Patents

Abstract

PURPOSE: To adjust the upper face of a recessed lxminaire in the same level as a floor. CONSTITUTION: An outer casing 21 is embedded in and fixed to a floor 15. An inner casing 35 is stored in the outer casing 21. The outer casing 21 and the inner casing 35 are connected together via plural level adjusting screws 17. With the rotation of the level adjusting screws 17, the inner casing 35 is moved up and down. The upper side of the inner casing 35 is covered with a cover 37 which has a surface plate 55 and a light transmitting portion 53a. As a result, even after a luminaire 11 is set up and a finishing material 14 for the floor 15 is applied, the height of the surface plate 55 can be easily adjusted and matched to the surface level of the floor 15.

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 floor.

[0002]

2. Description of the Related Art Conventionally, for example, JP-A-6-176610.
The luminaire described in Japanese Patent Publication No. 63-33293 is known. Then, in the lighting fixture embedded in the floor like the lighting fixtures described in these publications, as shown in FIG. 5, the lighting fixture is installed so that the upper end portion 1 is substantially flush with the finished surface 2 of the floor. It Therefore, when constructing this lighting fixture, for example, FIG.
As shown in FIG. 5, a plurality of level adjusting screws 5 are screwed onto the bottom surface of the outer box 3 which is also called a discard box or an embedded main body so as to project downward, and these level adjusting screws 5 are rotated to move back and forth. Thus, the height position with respect to the embedding hole 7 formed in the reinforced concrete 6 is appropriately adjusted. Next, the outer box 3 is filled with mortar 8 or concrete to fix the outer box 3 to the floor,
Finish the floor. In this state, a device body (not shown) is housed inside the outer box 3, and a reflector, a lamp, a display plate, a cover glass, and an upper frame are sequentially attached to the device body to complete the installation work. ing.

[0003]

SUMMARY OF THE INVENTION In the above conventional configuration,
Before the outer box 3 is fixed to the floor by filling the outer box 3 with mortar 8 and the like, the outer box 3 of the outer box 3 is adjusted so that the level of the upper end portion 1 of the luminaire and the finished surface 2 of the floor are the same. It is necessary to adjust the height position, and if this level of deviation is found after installing the lighting equipment and finishing the floor, or if this level of deviation occurs after finishing the floor, the lighting equipment There is a problem that it is difficult to readjust the upper end portion 1 and the finished surface 2 of the floor so that they are flush with each other.

The present invention has been made in view of the above circumstances, and an object thereof is to provide a lighting fixture whose height position can be easily adjusted even after being embedded in a floor.

[0005]

A lighting apparatus according to claim 1, wherein an outer box embedded and fixed in the floor, an inner box housed inside the outer box for housing a light source, and the outer box and the inner box. And a height adjusting means for connecting the two from above so that their heights can be adjusted with each other.

A lighting fixture according to a second aspect is the lighting fixture according to the first aspect, wherein the height adjusting means includes a screw portion screwed into at least one of the outer box and the inner box, and an operating portion directed upward. Is provided.

According to a third aspect of the present invention, there is provided the luminaire according to the first or second aspect, wherein a plurality of height adjusting means are provided at different positions.

According to a fourth aspect of the present invention, in the lighting fixture according to any one of the first to third aspects, a cover provided with a light transmitting portion is detachably attached to the inner box.

According to a fifth aspect of the present invention, there is provided a lighting unit in which a lower unit embedded in a floor and fixed with a light source inside, an upper unit disposed above the lower unit, and the lower unit and the upper unit are mutually connected. The height adjusting means is connected so as to be adjustable in height.

A luminaire according to claim 6 is the luminaire according to claim 5, wherein the upper unit has an inner box having an irradiation opening on the upper side and a light source accommodated inside, a surface plate and a translucent body exposed on the upper surface. And is equipped with.

[0011]

In the luminaire according to the first aspect of the present invention, the outer box which is embedded and fixed in the floor and the inner box which accommodates the light source are connected so that the height can be adjusted from the upper side by the height adjusting means. The height of the inner box can be easily adjusted even after the lighting fixture is installed by fixing it on the floor.

In addition to the function of the first aspect, in the luminaire according to the second aspect, the height adjusting means includes a screw portion screwed into at least one of the outer box and the inner box, and an operating portion directed upward. Since it is provided, the height position of the inner box with respect to the outer box can be easily adjusted by rotating the height adjusting means using the operation portion.

According to the lighting device of the third aspect, in addition to the effect of the first or second aspect, a plurality of height adjusting means are arranged at different positions, so that each height adjusting means is adjusted. The inclination of the inner box with respect to the outer box is easily adjusted.

In addition to the operation according to any one of claims 1 to 3, in the luminaire according to claim 4, a cover provided with a light transmitting portion is detachably attached to the inner box. Therefore, this cover is attached. In this state, the height adjusting means is covered with the cover to improve the appearance, and the height adjusting means is exposed and can be operated with the cover removed.

According to another aspect of the lighting apparatus of the present invention, there is provided a lower unit which is embedded and fixed in the floor and in which the light source is arranged, and an upper unit which is arranged above the lower unit.
Since the height adjustment means are connected so that the height can be adjusted, the height position of the upper unit can be easily adjusted even after the lower unit is fixed.

According to the lighting apparatus of the sixth aspect, in addition to the function of the fifth aspect, the upper unit has an inner box having an irradiation opening on the upper side and housing a light source inside, a surface plate and a light-transmitting body exposed on the upper surface. And the height adjustment means allows the surface of the face plate to be easily aligned with the surface of the floor.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The construction of an embodiment of the lighting equipment of the present invention will be described below with reference to the drawings.

In FIG. 1 to FIG. 4, 11 is a lighting fixture, and this lighting fixture 11 is a floor 15 in which a finishing material 14 such as a tile is mounted on a foundation material 12 such as concrete.
It is embedded in.

The luminaire 11 includes a lower unit 16 which is embedded and fixed in the base material 12 directly or through mortar, and a level adjusting screw 17 as height adjusting means on the lower unit 16. And an upper unit 18 attached thereto.

The lower unit 16 is also called an outlet box or the like, and has a box-shaped outer box with an open upper surface.
It has 21. The outer box 21 is embedded and fixed in the base material 12, and as shown in FIG.
A tube body 13 laid in 12 is connected to an insertion hole (not shown) by a bolt 13a or the like, and a power supply line and a control line S wired in the tube body 13 are introduced into an outer box 21. Further, from the upper end of the outer box 21, two pairs of mounting pieces 22 facing each other are provided.
Are projected, and each mounting piece 22 has a screw hole.
22a is formed. Further, on the upper surface of the outer box 21, a substantially rectangular frame-shaped base plate 25 having a rectangular opening 24 is attached. Then, in the base plate 25, the adjusting screw holes 26 are located near the four corners.
And a fixing through hole 27 are formed respectively. And
The fixing screws 28 are inserted into the fixing through holes 27 of the base plate 25 from the upper side, and the mounting pieces of the outer box 21 are respectively inserted.
By screwing into the screw hole 22a of 22, the base plate
25 is fixed to the outer box 21.

On the other hand, each adjusting screw hole of the base plate 25
Level adjusting screws 17 are screwed into the respective 26.
Each level adjusting screw 17 is also called a stepped screw or the like, and a step portion 31 is formed at an intermediate portion in the longitudinal direction, and the diameter dimension of the lower side portion is larger than the diameter dimension of the upper side portion. ing. Further, in each level adjusting screw 17, an upper threaded portion 32 is formed on the upper side of the step portion 31, and the stepped portion 31
A lower screw portion 33 as a screw portion is formed on the lower side portion of the lower screw portion 33, and the lower screw portion 33 is screwed into the adjusting screw hole 26 of the base plate 25. And each level adjustment screw
At the upper end of 17, an operating portion 34 is formed which can be engaged with a minus driver as a jig, for example.

Further, the upper unit 18 connected to the lower unit 16 through the level adjusting screws 17 has an inner box 35.
And a cover 37 closely attached to the inner box 35 via an inner box packing 36. Then, the inner box 35 is formed with an inner box body 42 having an irradiation opening 41 on the upper side, and an inner box flange portion 43 extending outward from the upper end of the inner box body 42. Inside the inner box body 42, as shown in FIG. 4, a lighting unit 44 in which a control device and a lighting circuit are mounted is housed, and the lighting unit 44 is formed in the inner box body 42 as illustrated. The power supply line and the control line S introduced through the insertion hole are connected. Further, a lamp socket (not shown) is housed inside the inner box body 42, and a fluorescent lamp L bent in a substantially U shape as a light source is attached to the lamp socket. Then, in the control device of the lighting unit 44, a unique address is set for each lighting fixture 11, and by the input of a blinking signal, a plurality of fixtures are chained and blinked to create a light flow, and the evacuation direction. Is shown. Further, the inner box flange portion 43 is located in the vicinity of the four corners and has a through hole 43a.
And a plurality of screw holes 43b in which screw grooves are formed are formed between these through holes 43a. The inner box packing 36 has substantially the same shape as the inner box flange portion 43, and has through holes 36a, 36b corresponding to the through holes 43a and the screw holes 43b.

Further, the inner box packing 36 and the inner box flange portion
It is sandwiched between 43 and 43, and a reflection plate 46 is supported. The reflector 46 is made of a copper plate and is painted white.

The cover 37 is provided with the glass receiving plate 5
1, glass lower surface packing 52, glass 53 as a translucent body,
A glass edge upper surface packing 54 and a surface plate 55 are sequentially stacked from bottom to top. Then, the glass receiving plate 51 is provided with each through hole of the inner box packing 36.
Through holes 51a and 51b are formed corresponding to 36a and 36b, respectively. Then, the upper screw part of each level adjustment screw 17
Insert the inner box 35, the inner box packing 36, and the through holes 43a, 36a, 51a of the glass receiving plate 51 into the inner box 35, and tighten the nut 61 from the upper end to make a step between the nut 61 and the level adjusting screw 17. Inner box 35 between parts 31 and inner box packing 3
6 and the glass receiving plate 51 are fastened together and connected. Further, in this state, the inner box body 42 of the inner box 35 is loosely fitted in the opening 24 of the base plate 25 so as to be vertically movable.

Further, the glass receiving plate 51, the glass lower surface packing 52, the glass edge upper surface packing 54, and the surface plate 55 have irradiation openings 51c, 52c, 54 of the same shape, respectively.
c and 55c are formed, the glass 53 has a glass edge upper surface packing 54 and an irradiation opening of the surface plate 55.
A transparent portion 53a having a large thickness is formed so as to fit with 54c and 55c. Further, on the upper surface of the glass receiving plate 51,
A supporting portion 51d protruding upward is formed in the periphery of the irradiation opening 51c, and the upper surface of the supporting portion 51d abuts the lower surface of the glass edge upper surface packing 54. A glass lower surface packing 52 is fitted inside of the.

Further, the glass edge upper surface packing 54 and the surface plate 55 are respectively provided with through holes 51 of the glass receiving plate 51.
Through holes 54b and 55b corresponding to b are formed. Then, from the upper side of the surface plate 55, the screws 63 are inserted into the through holes 55b, the through holes 54b, 51b, and 36b are inserted, and screwed into the screw holes 43b of the inner box 35 to tighten them. Between the inner box flange portion 43 of the inner box 35 and the surface plate 55, the glass edge upper surface packing 54, the glass 53, the lower glass surface packing 52, the glass receiving plate 51, and the inner box packing 36.
Is held and fixed.

Then, in this state, the upper surface of the luminaire 11 is covered with the surface plate 55 of the cover 37 and the glass 53, and the surface plate 55 and the transparent portion 53 of the glass 53.
The surfaces of a and the floor 15 are substantially flush with each other.

That is, when installing the lighting equipment 11, first, the outer box 21 of the lower unit 16 is embedded and fixed in the base material 12 of the floor 15. Then, while attaching the base plate 25 to the outer box 21 with the screw 28, the base plate 25
25 through level adjusting screw 17 inner box 35, inner box packing 3
6 and the glass receiving plate 51 are fixed. In this state, when a flat-blade screwdriver is engaged with the operating portion 34 of each level adjusting screw 17 and appropriately rotated, each level adjusting screw 17 screwed into the adjusting screw hole 26 of the base plate 25 moves up and down, As a result, the inner box 35 forming the upper unit 18 moves up and down.

Next, on the upper side of the glass receiving plate 51, the glass lower surface packing 52, the glass 53, and the glass edge upper surface packing are provided.
The work is completed by stacking 54 and the surface plate 55 and fixing them to each other with screws 63.

In this state, if the height positions of the surface of the surface plate 55 and the surface of the finishing material 14 of the floor 15 are deviated, each member constituting the cover 37 is temporarily removed and the level adjusting screw 17 Is rotated to vertically move the inner box 35, and then the cover 37 is attached again.

As described above, according to the luminaire 11 of this embodiment, the outer box 21 of the lower unit 16 embedded and fixed in the floor 15 is provided.
Since the inner box 35 of the upper unit 18 is height-adjustably connected by a plurality of level adjusting screws 17, the outer box 21 is embedded and fixed in the floor, and the finishing material 14 of the floor 15 is applied to the luminaire 11.
Even after the installation work is completed, the height position of the inner box 35 can be easily adjusted, and the surface of the surface plate 55 attached to the inner box 35 and the surface of the finishing material 14 of the floor 15 can be easily and substantially flush with each other. Can be adjusted to.

The height position of the inner box 35 can be easily adjusted by rotating each level adjusting screw 17, and by rotating each level adjusting screw 17,
The inclination of the inner box 35 can also be adjusted.

Further, since the cover 37 having the translucent portion 53a is detachably attached to the inner box 35, the level adjusting screws 17 and the like are covered by the cover 37 with the cover 37 attached to improve the appearance. In addition, each level adjusting screw 17 can be exposed and easily operated with the cover 37 removed.

Note that, for example, a guide plate made of a green acrylic plate or the like may be mounted between the glass 53 and the glass lower surface packing 52 to form a guide light, a display light or the like.

[0035]

According to the lighting device of the first aspect, an outer box which is embedded and fixed in the floor and an inner box which houses the light source are provided.
Since the height adjustment means is connected so that the height can be adjusted from the upper side, the height position of the inner box can be easily adjusted even after the outer box is embedded in the floor and fixed and the lighting fixture is installed. The member attached to the inner box and the surface of the floor can be easily adjusted to be substantially flush with each other.

According to the lighting device of the second aspect, in addition to the effect of the first aspect, the height adjusting means is screwed into at least one of the outer box and the inner box, and the operating portion is directed upward. Since the and are provided, the height position of the inner box with respect to the outer box can be easily adjusted by rotating the height adjusting means using the operation portion.

According to the lighting device of the third aspect, in addition to the effect of the first or second aspect, since the plurality of height adjusting means are arranged at different positions, each height adjusting means is adjusted. Thereby, the inclination of the inner box with respect to the outer box can be easily adjusted.

According to the lighting device of the fourth aspect, in addition to the effect of any one of the first to third aspects, since the cover provided with the transparent portion is detachably attached to the inner box, the cover is attached. In this state, the height adjustment means can be covered with a cover to improve the appearance, and the height adjustment means can be exposed and easily operated with the cover removed.

According to the luminaire of the fifth aspect, the lower unit in which the light source is arranged inside and fixed to the floor and the upper unit arranged above the lower unit are elevated by the height adjusting means. The height position of the upper unit can be easily adjusted even after the lower unit is fixed, for example, the upper part of the upper unit and the surface of the floor can be easily adjusted to be substantially flush with each other. .

According to the lighting equipment of the sixth aspect, in addition to the effect of the fifth aspect, the upper unit has an inner box having an irradiation opening on the upper side and a light source inside, and a surface plate and a transparent plate exposed on the upper surface. The height adjusting means allows the surface of the surface plate to be easily aligned with the surface of the floor.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of a lighting fixture of the present invention.

FIG. 2 is an exploded perspective view of the same lighting fixture.

FIG. 3 is a plan view of the above lighting fixture.

FIG. 4 is a sectional view of the same lighting equipment.

FIG. 5 is a cross-sectional view showing a state in which a conventional lighting fixture is installed.

[Fig. 6] Fig. 6 is a cross-sectional view showing a process of constructing the lighting fixture.

[Explanation of symbols]

 11 Lighting fixture 15 Floor 16 Lower unit 17 Level adjusting screw as height adjusting means 18 Upper unit 21 Outer box 33 Lower screw section as screw section 34 Operation section 35 Inner box 37 Cover 41 Irradiation opening 53 As a light transmitting body Glass 53a Translucent part 55 Surface plate L Fluorescent lamp as light source

Claims (6)

[Claims] 1. An outer box that is embedded and fixed in a floor, an inner box that is housed inside the outer box and that houses a light source, and a height that connects the outer box and the inner box so that their heights can be adjusted from above. A lighting fixture comprising a height adjusting means. 2. The luminaire according to claim 1, wherein the height adjusting means is provided with a screw portion that is screwed into at least one of the outer box and the inner box, and an operating portion that faces upward. . 3. The luminaire according to claim 1, wherein a plurality of height adjusting means are arranged at different positions. 4. The luminaire according to claim 1, wherein a cover having a translucent portion is detachably attached to the inner box. 5. A lower unit embedded in a floor and fixed to a light source inside the upper unit, an upper unit arranged above the lower unit, and the lower unit and the upper unit connected to each other in a height adjustable manner. A lighting fixture comprising: height adjusting means. 6. The upper unit includes an inner box having an irradiation opening on the upper side and a light source accommodated on the inner side, a surface plate exposed on the upper surface, and a translucent body. lighting equipment.