JPH1139928A - Down light luminaire - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a down light luminaire which can be installed without deforming the luminaire main body and the luminaire even in the case there is deviation between a hanging bolt and an installation hole formed on the coiling panel. SOLUTION: This down light luminaire comprises a luminaire main body 10a and a luminaire 30: and the luminaire main body 10a comprises a ceiling contact open frame 12 to be attached to the installation hole in the ceiling face and a ceiling panel 45 which is installed above the ceiling contact open frame 12 via supports 13 and to which an elevating apparatus 20a to be attached to a hanging bolt is attached and the luminaire 30 is fixed by an elevating part hung by a wire rope of the elevating apparatus 20a and an upper part of a reflecting shade to which a lamp is attached in a detachable manner. In this case, the elevating apparatus 20a is installed under the ceiling panel 45 and at the same time a long hole 46 into which the hanging bolt is to be inserted is formed on the approximately center line of the top panel 45.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to, for example, a structure of a downlight type luminaire installed on a ceiling surface.

[0002]

2. Description of the Related Art Heretofore, for example, a downlight-type lighting device has been widely used as a lighting device embedded and mounted on a high ceiling surface.

[0003] The downlight type lighting fixture is located above the mounting hole through a ceiling contact opening frame that covers the mounting hole formed in the ceiling plate and a plurality of columns above the ceiling contact opening frame. An appliance body comprising a round plate or a notch-shaped engagement hole into which a suspension bolt suspended from a slab is inserted, and a lamp attached to the lower surface of the top plate in the appliance body In general, a lighting device is configured such that a top plate of the lighting device is suspended from a ceiling bolt and is embedded in a ceiling.

Since the ceiling contact opening frame of the lighting fixture beautifully covers the mounting hole formed in the ceiling plate, such a downlight type lighting fixture is used in stores, offices, public halls and schools, corridors, entrance halls, and the like. Spread everywhere.

In recent years, due to the diversification of buildings, many buildings with high ceilings, such as multi-purpose halls with stairwells, have been seen. Downlight-type lighting fixtures used for these high ceilings include lamp replacement. More and more cases are used in combination with a lifting device in consideration of maintenance.

[0006] The structure of a conventional downlight type lighting fixture used in combination with a lifting device and its construction method will be described with reference to FIGS. 8 to 10.

A conventional downlight type luminaire includes a luminaire main body 10 embedded and mounted in a mounting hole 4 formed in a ceiling plate 1, and wire ropes 9, 9 wound up and rewinded into the luminaire main body 10. And a lighting fixture 30 suspended from the lighting fixture 30.

The appliance body 10 is provided with a ceiling contact opening frame 1 which is mounted by being engaged with a mounting hole 4 formed in the ceiling plate 1 below.
2 and a space above the ceiling contact opening frame 12, and has a through hole 16 at the center attached through two columns 13, 13 connecting the two, and suspension bolts 3, 3 on both sides. The ceiling mounting frame 11 is composed of a disk-shaped top plate 15 having hanging bolt mounting holes 17, 17 into which are respectively inserted. 15 and a column-shaped elevating device 20 which is screwed by screws 8 from below.

The lifting device 20 includes a drive motor (not shown) and a winding drum supported by a rotation shaft of the drive motor and wound with a wire rope. The wire ropes 9, 9 are wound and unwound onto the winding drum. Below the wire ropes, as shown in FIG. Have been.

The luminaire 30 is a disc-shaped connection having a bowl-shaped reflector cap body 36 opening downward, and a lamp socket 39 mounted above the reflector cap body and detachably mounted below the reflector cap. Reflector shade 35 consisting of plate 38
On the upper surface of the connecting plate 38 of the reflection shade 35, the elevating part 31 suspended by the two wire ropes 9, 9 suspended from the elevating device 20 is attached from below the connecting plate 38. With the screws 8, the lifting unit 31 and the connecting plate 38
Are screwed and fixed.

Next, a method of installing a downlight type lighting fixture will be described with reference to FIGS. 9 and 10. FIG.

[0012] As shown in FIG.
A set of two suspension bolts 3 is suspended from the slab 2 of FIG. After that, a mounting hole 4 for embedding the downlight type lighting fixture in the ceiling plate from below the ceiling plate 1 is formed. Then, as shown in FIG. 9 (B), the fixture body 10 including the ceiling mounting frame 11 and the elevating device 20 is inserted from below the mounting hole 4 formed in the ceiling plate. Further, while lifting the tool body 10, the hanging bolt mounting holes 17, 17 provided on both sides of the top plate of the tool body are inserted into the hanging bolts 3, 3 suspended in the ceiling, respectively. Then, as shown in FIG. 9 (C), a nut 5 is screwed to the lower end of the hanging bolt 3 and the nut 5 is tightened, so that the ceiling contact opening frame 12 of the appliance body is attached to the lower surface of the ceiling plate 1. Closely fix.

Next, as shown in FIG. 10D, a drive motor (not shown) built in the lifting / lowering device 20 is driven, and the wire rope 9 is paid out from a winding drum (not shown). The elevating unit 31 is lowered to a position near the floor 6 on which the reflection shade 35 is placed.

The elevating unit 31 descending to the vicinity of the floor 6 is placed on the upper surface of the connecting plate 38 attached to the upper part of the reflector 35, and the screw 8 is screwed to the elevating unit 31 from below the connecting plate. The reflector 35 and the elevating unit 31 are fixed to the lighting fixture 30 by assembling.

Finally, as shown in FIG. 10 (E), the drive motor built in the lifting / lowering device 20 is driven in the direction of winding the wire rope, and the lighting fixture 30 is moved to the ceiling mounting frame 11.
Housed inside.

[0016]

As described above, the conventional downlight-type lighting fixture has a slab 2 in the ceiling 1a in advance.
And suspend the hanging bolts 3, 3 from above. Thereafter, a mounting hole 4 for mounting a downlight-type lighting device is formed in the ceiling plate from below the ceiling plate 1. Then, the tool main body 10 is inserted into the mounting hole 4, and the suspension bolts 3, 3 hung from the upper part of the mounting hole 4, respectively, are provided on both sides of the top plate 15 of the tool main body. The holes 17, 17 are inserted. Finally, the nut 5 is screwed from the lower end of the hanging bolt 3 and the nut 5 is tightened, so that the instrument body 10 is embedded and fixed in the mounting hole 4. The diameter of the suspension bolt 3 is generally about 10 mm.

Therefore, as shown in FIG. 11, the relationship between the suspension bolts 3 and 3 suspended in the ceiling and the mounting holes 4 for mounting downlight-type lighting fixtures opened in the ceiling plate 1 is shown. The position may shift.

When the fixture main body 10 is forcibly attached to the hanging bolts while the relative positions of the suspension bolts 3 and 3 and the mounting holes 4 are shifted, and the lighting fixture 30 is attached to the fixture main body 10, FIG. As shown in A), there is a problem that the ceiling mounting frame 11 of the fixture main body is pulled by the suspended hanging bolts 3 and 3, and the fixture main body 10 and the lighting fixture 30 are deformed.

In particular, in the case of a downlight type lighting fixture used in combination with the lifting / lowering device 20, the deformed fixture body 1
There is a problem that the reflection shade 35 fits into the lens 0 and the lighting fixture 30 cannot be moved up and down.

The present invention has been made in view of the above points, and can be installed without deforming the fixture body and the luminaire even if there is a displacement at the time of construction between the hanging bolts and the mounting holes provided in the ceiling plate. It is an object to provide a simple downlight type lighting fixture.

[0021]

According to a first aspect of the present invention, there is provided a downlight type lighting apparatus according to the first aspect of the present invention, which is inserted from below a mounting hole formed in a ceiling surface and is inserted into the mounting hole. A ceiling contact opening frame having an opening at the center to be engaged and attached, and a ceiling plate disposed above the ceiling contact opening frame via a column and attached to a suspension bolt suspended from above the attachment hole. And a lifting / lowering device attached to the top plate, and a lifting / lowering portion suspended from a wire rope suspended from the lifting / lowering device and retractable from the ceiling contact opening frame. In a downlight type lighting device comprising a lighting fixture to which a lamp is detachably attached with a reflector, the elevating device is mounted below the top plate and substantially above the center line of the top plate. It is characterized in that it has formed a long hole through which the hanging bolts are inserted.

According to a second aspect of the present invention, there is provided a downlight-type lighting device according to the present invention, wherein columns for connecting the top plate and the ceiling contact opening frame are provided on both sides of a long hole provided substantially on the center line of the top plate. It is characterized by having been provided.

According to a third aspect of the present invention, there is provided a downlight-type lighting fixture, which is inserted from below a mounting hole formed in a ceiling surface and has an opening at the center which is fitted and engaged with the mounting hole. An appliance body consisting of an opening frame and a top plate, which is disposed above the ceiling contact opening frame via a support column and to which an elevating device is attached, and hanging on a wire rope suspended from the elevating device and taken up and rewinded A lighting fixture to which a reflecting shade fixed to the ceiling contact opening frame and removably attached to the opening portion of the ceiling contact opening frame is fixed, and the fixture body is suspended from above the mounting hole. In a downlight-type lighting device attached to a bolt, a connecting bracket having the elongated hole, which is inserted into the hanging bolt and is substantially on a center line, is disposed at an upper portion of the device main body. At both ends of the connecting fitting, and is characterized in that the suspending member connecting the top plate of the fixture body with the connecting fitting is provided, respectively.

According to a fourth aspect of the present invention, there is provided a downlight-type lighting device which has an opening at a center which is inserted from below a mounting hole formed in a ceiling surface and is engaged with the mounting hole to be mounted. An appliance body composed of an opening frame, a top plate disposed above the ceiling contact opening frame via a support, and a lifting device attached to the top plate, and a wire suspended from the lifting device and taken up and rewinded A lighting fixture fixed to a reflector that can be housed in an opening of the ceiling contact opening frame and is detachably mounted with a lamp on an elevating part suspended from a rope, and the fixture body is provided from above the mounting hole. In a downlight-type lighting device attached to a suspended suspension bolt, an insertion hole into which the suspension bolt is inserted is provided at a substantially central portion of the top plate, and the insertion hole is disposed on a back side of the top plate and Hanging In which characterized in that a fitting having an elongated hole in which the hanging bolts attached to the bolt is inserted substantially on center line.

In the above arrangement, when the positional relationship between the suspension bolts suspended in the ceiling and the mounting holes formed in the ceiling plate is shifted, the device embedded and mounted in the shifted mounting holes. An object of the present invention is to solve a problem peculiar to an embedded lighting device that a main body and a lighting device mounted in the device main body are deformed.

The downlight type luminaire according to claim 1, wherein the downlight type luminaire has a long hole for engaging and inserting with a suspension bolt substantially on a center line of the top plate, whereby the suspension bolt and the mounting hole formed in the ceiling plate are provided. Even if there is a deviation in the positional relationship between the ceiling bolt and the hanging bolt, the hanging bolt is not deformed because the insertion hole of the top plate into which the hanging bolt is inserted is a long hole. Can be installed in the slot of the board.

[0027] According to the second aspect of the present invention, since columns are provided on both sides of the long hole provided substantially on the center line of the top plate to connect the top plate and the ceiling contact opening frame, respectively. Even when performing installation work in a dark ceiling, since the long hole of the top plate of the instrument main body to be inserted into the suspension bolt between the columns is opened, the installation work of the appliance main body to the suspension bolt in the dark It can be easily constructed.

Further, according to the third aspect of the present invention, a long hole is formed in the upper part of the apparatus main body, in which a hanging bolt inserted from above the mounting hole formed in the ceiling plate is inserted substantially on the center line. The connecting metal fittings are provided, and both ends of the connecting metal fittings and the top plate of the instrument body are suspended and connected by the hanging members, respectively. In the light-type lighting device, as in the downlight-type lighting device according to claim 1,
The downlight-type lighting fixture can be mounted without deformation on the hanging bolt and the mounting hole formed in the ceiling plate in a manner shifted from the hanging bolt.

Further, in the structure according to the fourth aspect, an insertion hole is formed at a substantially central portion of the top plate, and the insertion hole is disposed on the back side of the top plate, inserted through the insertion hole, and suspended from above the mounting hole. Since the connection fitting having the long hole into which the hanging bolt is inserted is provided, the hanging bolt and the mounting hole which is shifted from the hanging bolt and formed in the ceiling plate are provided in the same manner as the downlight-type lighting device according to claim 1. The downlight type lighting fixture can be attached without deformation.

[0030]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS. Note that the same components as in the prior art will be described with the same reference numerals.

FIG. 1 shows the overall configuration of a downlight type lighting apparatus according to the first embodiment. The downlight type lighting apparatus comprises a ceiling mounting frame 40 and a top plate 4 of the ceiling mounting frame.
Instrument body 1 comprising an elevating device 20a attached to the device 5
0a and a lighting fixture 30 housed in the fixture body.

FIG. 2 shows the entire structure of the ceiling mounting frame of the appliance body. The ceiling mounting frame 40 has a ceiling contact opening frame 12 provided below, and an upper space separated from the ceiling contact opening frame 12. , And a pair of columns 13, 13 provided between the ceiling contact opening frame 12 and the top plate 45 and opposed to each other.

The ceiling contact opening frame 12 has a ring-shaped decorative plate 12a having a circular opening hole 14 through which a lighting fixture enters and exits, and an upright standing on the inner peripheral edge of the decorative plate 12a. And a reinforcing cylinder 12b having fitting recesses 18 and 18 provided integrally and opposed to each other. The outer diameter of the reinforcing cylinder 12b is equal to the diameter of the mounting hole 4 provided in the ceiling plate 1. It is formed in an engaging shape. Also,
The outer diameter of the decorative plate 12a covers the lower surface of the ceiling plate 1,
It is formed in a shape larger than the diameter of the mounting hole 4 provided in the ceiling plate.

On the center line aa of the circular top plate 45 disposed above the ceiling contact opening frame 12, the suspension bolt 3
Oval hole 46 into which is engaged / inserted is formed, and is disposed on the back surface of the top plate on the center line aa in a state of being vertically suspended downward, such as welding. Suspension bolts 47 fixed with screws and provided on the outer surface,
47 are provided upright.

A pair of columns 13, 13 provided between the ceiling contact opening frame 12 and the top plate 45 fit into the fitting recesses 18, 18 of the ceiling contact opening frame, respectively, and the center of the top plate 45. The upper part of the column 13 is welded and fixed to the top plate 45 by an electric spot, and the lower part of the column 13 is connected to the ceiling contact opening frame 12.
It is fixed by welding.

Next, a method of installing the downlight type lighting fixture according to the first embodiment will be described with reference to FIGS.

In advance, as shown in FIG.
The suspension bolt 3 is suspended from the slab 2 of FIG. Thereafter, a circular mounting hole 4 for embedding a downlight-type lighting fixture in the ceiling plate from below the ceiling plate 1 is formed. In the processed mounting hole 4, a vertical line bb passing through the center O of the mounting hole 4 is shifted with respect to the suspension bolt 3.

Next, as shown in FIG. 3B, the ceiling mounting frame 40 is inserted from below the mounting hole 4 formed in the ceiling plate 1. Further, when the ceiling mounting frame 40 is lifted upward, the suspension bolts 3 suspended in the ceiling 1a are lifted.
Is engaged and inserted into an oval long hole 46 provided on the center line of the ceiling plate 45 of the ceiling mounting frame. then,
A nut 5 is screwed into the lower end of the suspension bolt 3, and the nut 5 is tightened until the ceiling contact opening frame of the ceiling mounting frame contacts the lower surface of the ceiling plate 1, and the ceiling mounting frame 40 is embedded and fixed in the mounting hole 4. I do.

Further, as shown in FIG. 3 (C), an opening and lowering device 20a having mounting plates 22 having through holes 23 at both upper ends is provided with an opening hole of a ceiling mounting frame which is mounted in close contact with the ceiling plate 1. Insert into the ceiling from 14. In addition, the through holes 23, 23 provided at both ends of the upper part of the lifting device 20a, respectively.
Are provided at the same intervals as the suspending bolts 47 provided on the top plate 45 of the ceiling mounting frame.

The lifting device 20a is lifted and the collar 5
0 hanging bolts 47, 47 of the top plate respectively inserted
Through the through holes 23 of the lifting device. Finally, the nuts 5 are screwed to the lower ends of the suspension bolts, respectively, and the nuts 5 are respectively tightened to form the lifting device 20a.
Is fixed below the top plate 45, and the fixture body 10a is formed by the ceiling mounting frame 40 and the elevating device 20a. The reason why the collar 50 is interposed between the top plate 45 and the lifting / lowering device 20a is to prevent the lower end of the suspension bolt 3 from hitting the upper surface of the lifting / lowering device 20.

Next, as shown in FIG. 4 (D), the power supply (not shown) of the lifting / lowering device 20a is turned on, and the lifting / lowering unit 31 is lowered to the vicinity of the floor 6, and then reflected by the lifting / lowering unit 31. Shade 3
5 is connected and fixed with the screw 8, and the lighting fixture 30 is connected.
Assemble

Then, as shown in FIG. 4 (E), the raising / lowering portion 31 is raised again and the lighting fixture 30 is moved to the fixture main body 1.
If it is stored in the space 0a, the construction work of the downlight type lighting fixture is completed. The downlight type lighting fixture according to the first embodiment is mounted and installed in a mounting hole 4 formed in the ceiling plate 1 so as to be displaced from the suspension bolt 3, and the suspension bolt 46 is engaged with the downlight type lighting fixture. Since the mounting hole of the top plate to be inserted is formed in the shape of a long hole, the hanging bolt 3 shifted to the long hole 46 provided in the top plate can be engaged and inserted without bending, so that the device body 10a due to the shift can be used. The deformation of the lighting fixture 30 can be prevented.

Although the construction mode in which the downlight-type lighting fixture is combined with the elevating device has been described above, the construction mode of the downlight-type lighting fixture without using the elevating device can be performed in the same manner as described above. Possible, that is, after the work of mounting the downlight type lighting fixture to the ceiling of the fixture main body is completed in the same manner as in the above-described construction form, insert the reflection shade from inside the ceiling contact opening frame of the fixture main body. What is necessary is just to attach and fix the said lighting fixture in a fixture main body.

The downlight type luminaire according to the first embodiment is characterized in that it has an oval long hole substantially on the center line of the top plate of the luminaire main body, whereby the suspension bolt suspended from the slag is provided. And the mounting hole provided in the ceiling plate can be adjusted. Further, this downlight type lighting fixture is characterized in that an elevating device is attached and fixed to the lower surface of the top plate of the fixture main body, so that the elevating device can be separated from the fixture main body. Therefore, when the lifting device is mounted on the upper part of the instrument main body as in the related art, the weight balance is deteriorated. The object of the present invention is to improve the difficult construction work of inserting an instrument main body through a mounting hole formed in a ceiling plate of an instrument body with a poor weight balance and engaging two hanging bolts from below the ceiling.

Furthermore, in the conventional structure, since the lifting device is mounted on the upper surface of the top plate of the instrument main body, the lifting bolts must be mounted avoiding the lifting device located at the center of the top plate. Although two suspension bolts were necessary, the downlight type lighting fixture according to the first embodiment can be constructed with one suspension bolt, which also saves construction.

It is characterized in that it has two columns connecting the top plate and a ceiling contact opening frame covering the mounting hole in the same direction as substantially on the center line of the long hole provided in the top plate. When installing using the downlight type lighting device, since the two pillars and the long direction of the long hole of the top plate coincide with each other, the opposing post is used when engaging and inserting the suspension bolt into the long hole of the top plate. As a guide, the construction work becomes easier.

Next, a second embodiment of the present invention will be described with reference to FIG. Note that the same components as in the prior art will be described with the same reference numerals.

FIG. 5 shows a conventional downlight type lighting fixture mounted on a suspension bolt suspended in a ceiling using the connecting metal fitting according to the present invention. For example, it is composed of a fixture body 10 and a lighting fixture 30 attached to the fixture body 10, and a suspension bolt 3 suspended in a ceiling is inserted into an upper portion of the fixture body 10, and the suspension bolt 3 A metal fitting 55 having an oval long hole 46 substantially on the center line attached to the tool body 10 is disposed. At both ends of the metal fitting 55, a pair of suspensions formed on both sides of the top plate 15 of the instrument body 10 are provided. A suspension bolt mounting hole (not shown) having the same diameter and the same interval as the bolt mounting holes 17 and 17 is formed.

A hanging bolt 56 as a hanging member for connecting the connection fitting 55 and the instrument body 10 is inserted into a suspension bolt mounting hole (not shown) formed at an end of the connection fitting 55. The upper end of the suspension bolt 56 is screwed with the nut 5, the lower end of the suspension bolt 56 is inserted into the suspension bolt mounting hole 17 of the instrument body 10, and the nut 5 is screwed to the lower end of the suspension bolt 56.

Then, the suspension bolt 3 suspended in the ceiling is inserted into the long hole 46 of the connection fitting 55, and a nut (not shown) is screwed to a lower end of the suspension bolt, and the nut is tightened. By turning in the direction, the ceiling contact opening frame 12 of the downlight type lighting fixture is embedded and mounted in a mounting hole (not shown) provided in the ceiling plate.

The downlight type lighting fixture according to the prior art is attached to the suspension bolt suspended in the ceiling using the connecting fitting according to the third aspect. An oval long hole 46 that is engaged with and inserted into the suspension bolt 3 is formed substantially on the center line aa of the connection fitting 55, so that a mounting hole provided in the ceiling plate is suspended in the ceiling. Even if there is a deviation from the lowered suspension bolt, the mounting holes into which the suspension bolts 3 are engaged and inserted are formed as long holes. The light-type lighting device can be installed by being embedded in a mounting hole provided in the ceiling plate.

Referring to FIGS. 6 and 7, a description will be given of a structure for attaching a downlight type lighting fixture to a suspension bolt suspended in a ceiling using a connection fitting, and a method of constructing the same. The downlight type luminaire includes a luminaire main body 10b and a luminaire 30 (see FIG. 5) mounted in the luminaire main body 10b.

The apparatus main body 10b includes a ceiling mounting frame 40a.
And the lifting device 20 mounted in the ceiling mounting frame 40a
a, and the ceiling mounting frame 40a is provided with a ceiling contact opening frame 12
And a round hole-shaped insertion hole 48 that is provided above and separated from the ceiling contact opening frame 12 and has a substantially central portion having a size that absorbs a shift generated between the suspension bolt and the mounting hole of the ceiling plate. It comprises a circular top plate 45a, and a pair of columns 13, 13 which are interposed between the ceiling contact opening frame 12 and the top plate 45a and provided to face each other. Further, suspension bolts 47, 47 vertically suspended downward are integrally attached to both sides on the center line of the lower surface of the top plate 45a. In addition, the pair of columns 1
3 and 13 are also arranged on both sides on the center line of the lower surface of the top plate 45a.

The lifting device 20a mounted in the ceiling mounting frame 40a is mounted after inserting the collars 50 into a pair of suspension bolts provided on the back surface of the top plate, respectively.
The fixture body 10b is assembled with the nut 5 fixed.

Next, the downlight type lighting fixture will be described with reference to a method of mounting it on a suspension bolt suspended in the ceiling.

First, when the ceiling mounting frame 40a is inserted from below into a mounting hole provided in the ceiling plate (not shown), as shown in FIG.
As shown in (B), the suspension bolts 3 suspended in the ceiling are attached through insertion holes 48 provided in the top plate of the ceiling attachment frame 40a. Next, the long hole 4 of the connection fitting 60 is used.
6 from the lower end of the suspension bolt 3,
A nut 5 is screwed into the lower end of the suspension bolt 3. Then, when the nut 5 is rotated in the tightening direction, the connection fitting 60 comes into contact with the lower surface of the top plate 45a. Further, the ceiling mounting frame 40a is moved upward, and as shown in FIG. 7C, the ceiling contact opening frame 12 provided below the ceiling mounting frame 40a is provided with mounting holes (see FIG. (Not shown), and the ceiling mounting frame 40 a is suspended and fixed to the suspension bolts 3.

Finally, as shown in FIG. 7 (D), the collars 50, 50 are respectively inserted into the suspension bolts 47 of the ceiling mounting frame 40a from below, and
Insert the through holes 23, 23a from below. Next, nuts 5 and 5 are screwed into the lower ends of the suspension bolts 47, respectively, and these nuts 5 are rotated in the tightening direction, so that the elevating device 20a can move the top plate 45a by the length of the collar 50. And a gap is formed between them and fixed to the suspension bolt 47. Below this elevating device 20a, a lighting fixture 30 is hung on a wire rope as in FIG. This prevents deformation of the lighting equipment due to displacement between the suspension bolt and the ceiling mounting hole.

Next, the operation of the above embodiment will be described. In addition, the present invention solves the problem inherent in the embedded lighting device that "the device body or the lighting device is deformed" due to the positional difference between the hanging bolt and the mounting hole of the ceiling plate,
The downlight-type lighting device according to claim 1, wherein a long hole is provided on the top plate of the downlight-type lighting device so as to be engaged with and inserted into a suspension bolt suspended in a ceiling, substantially on a center line of the top plate, The downlight type lighting fixture can be attached to the hanging bolt without being deformed because the fixture body and the lighting fixture are deformed because the hanging bolt is engaged and inserted in a state shifted to the long hole of the top plate. it can.

Further, in the conventional downlight type lighting apparatus, at least two hanging bolts are required due to its structure, but in the downlight type lighting apparatus of the present invention,
Only one suspension bolt is required. The same operation and effect can be obtained by using two or more suspension bolts.

In addition, when a ceiling mounting frame is combined with an elevating device to be installed on a high ceiling, conventionally, the elevating device is mounted on an upper surface of a top plate arranged above the ceiling mounting frame in advance. Therefore, when the heavy lifting device is mounted on the upper part of the instrument body, the work is not well balanced, and the mounting is performed by engaging and inserting the hanging bolt from below the mounting hole formed in the ceiling plate. The work was hard. In this case, after embedding the ceiling mounting frame in the mounting hole provided in the ceiling plate, insert the lifting device from below the mounting hole opened in the ceiling plate, and attach the lifting device to the lower surface of the ceiling mounting frame and fix it Because you can do these,
The work of installing downlight type lighting fixtures can be reduced. Another object of the present invention is to solve the problem of deformation of the fixture main body and the lighting fixture due to misalignment of the construction, which has been a problem in the related art, and the problem that it cannot be moved up and down.

[0061] In the downlight type luminaire according to claim 2, two ceiling-opening frames for connecting the top plate and the mounting holes in the same direction as substantially on the center line of the long hole provided in the top plate. Since the pillars are provided, the two bolts and the long holes of the top plate coincide with each other in the longitudinal direction when the downlight-type lighting device is used, so that the hanging bolts are engaged with the long holes of the top plate.・ Easy work at the time of insertion.

The downlight-type lighting device according to claim 3, wherein the conventional downlight-type lighting device has an elongated hole on the center line, and mounting holes for connecting to the conventional downlight-type lighting device on both sides of the elongated hole. Thus, substantially the same operations and effects as those of the first aspect are achieved.

In the downlight type luminaire according to the fourth aspect, an insertion hole is provided at a substantially central portion of the top plate disposed above the ceiling mounting frame, and an elongated hole is provided on the lower surface of the top plate on the center line. Since the connection fitting is arranged, the same operation and effect as those of the first aspect can be obtained.

[0064]

As described in detail above, according to the first aspect of the present invention, the downlight type luminaire has a long hole for engaging and inserting a suspending bolt with a suspending bolt. Since the "shift" between the bolt and the mounting hole as the ceiling opening can be absorbed and adjusted by the elongated hole, it is possible to prevent deformation of the fixture body or the lighting fixture due to the above-mentioned "shift", which has been a problem in the past, and to lower the lighting fixture It doesn't stop.

Further, since the lifting device is attached to and fixed to the lower surface of the top plate, the lifting device and the lighting fixture can be separated from each other, and the lifting device is mounted on the lower surface of the top plate of the fixture body. Therefore, if the lighting fixture attached to the lifting device is lowered, the inspection of the lifting device can be easily performed from the lower surface of the ceiling.

[0066] In the downlight-type lighting device according to claim 2, two ceiling-opening frames for connecting the top plate and the mounting holes covering the mounting holes in the same direction as substantially on the center line of the long hole provided in the top plate. Since the pillars are provided, when the downlight-type lighting fixture is used for construction, the two bolts and the long holes of the top plate coincide with each other in the longitudinal direction. It becomes a guide at the time of insertion and insertion, and the construction work becomes easy.

The downlight-type lighting device according to claim 3, wherein the conventional downlight-type lighting device has an elongated hole on the center line, and mounting holes for connecting to the conventional downlight-type lighting device on both sides of the elongated hole. With the exception that the lifting device is mounted on the lower surface of the top plate, the same operation and effect as those of the first aspect are obtained. 5. The downlight type luminaire according to claim 4, wherein an insertion hole is provided at a substantially central portion of the top plate arranged above the ceiling mounting frame, and a connection fitting having a long hole on the center line on the lower surface of the top plate. Since the arrangement is provided, the same operation and effect as those of the first aspect are obtained.

[Brief description of the drawings]

FIG. 1 is a perspective view showing an overall configuration of a downlight type lighting fixture according to a first embodiment of the present invention.

FIG. 2 is a perspective view showing a ceiling mounting frame according to the first embodiment.

3A and 3B show a procedure for installing the downlight type lighting fixture in the first embodiment, wherein FIG. 3A is suspended from a mounting hole provided on a ceiling surface and displaced above the mounting hole. The perspective view which shows a hanging bolt. (B) is a perspective view which shows the state which attaches a ceiling mounting frame to a suspension bolt. (C) is a perspective view showing a state where the elevating device is mounted on the ceiling mounting frame mounted on the suspension bolt.

FIG. 4D is a perspective view showing a procedure for installing the downlight type lighting fixture according to the first embodiment, and FIG. (E) is a perspective view showing the state where the downlight type lighting fixture was attached to the ceiling.

FIG. 5 is a perspective view showing the overall configuration of a downlight type lighting fixture according to a second embodiment of the present invention.

FIG. 6 is a perspective view showing a configuration of a device main body of a downlight type lighting device according to a third embodiment of the present invention, wherein FIG. 6 (A) is a perspective view showing a ceiling mounting frame having a connection fitting according to the present invention.
(B) is a perspective view which shows the state which attaches a ceiling mounting frame same as the above to a suspension bolt.

FIG. 7 is a perspective view showing a state of a fixture body of a downlight type lighting fixture according to a third embodiment of the present invention, in which (C) shows a state in which a ceiling mounting frame is attached to a hanging bolt. (D) is a perspective view which shows the state which attaches a raising / lowering device to the ceiling mounting frame same as the above.

FIG. 8 is a perspective view showing a configuration of a downlight-type lighting device according to the related art.

9A and 9B show a procedure for installing a downlight type lighting device according to the prior art, wherein FIG. 9A shows two hanging bolts suspended in a ceiling and a device main body suspended by the hanging bolts. Perspective view. (B) is a perspective view which shows the state which attaches an apparatus main body to the hanging bolt same as the above. (C) The perspective view which shows the state which attached the fixture main body to the hanging bolt same as the above.

FIG. 10 is a perspective view showing a procedure for installing a downlight type lighting device according to the related art, in which (D) shows a lighting device and a device main body attached to hanging bolts. (E) is a perspective view which shows the state which attached the downlight type lighting fixture to the suspension bolt.

FIG. 11 is a front view showing a problem of the downlight type lighting fixture according to the prior art, in which (A) shows a ceiling mounting frame which is deformed and mounted on a detached hanging bolt.
(B) is a front view showing a state in which the reflecting shade is fitted into the deformed instrument body and cannot be moved up and down.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Ceiling board (ceiling surface), 3 ... Hanging bolt, 4 ... Mounting hole, 9 ... Wire rope, 10a ... Instrument main body, 12 ... Ceiling contact opening frame, 13 ... Prop, 14 ... Opening, 10a ... Instrument main body, 10b: apparatus main body, 20a: elevating device, 30: lighting equipment, 31: elevating part, 35: reflector, 45: top plate, 45a: top plate, 46: long hole, 48: insertion hole, 55: connecting metal fitting, 56 ... hanging bolts (hanging members), 60 ... connecting fittings.

Claims (4)

[Claims] 1. A ceiling contact opening frame having an opening at the center, which is inserted from below a mounting hole formed in a ceiling surface and is engaged with the mounting hole, and a support post above the ceiling contact opening frame. An instrument body including a top plate attached to a suspension bolt suspended from above the mounting hole and a lifting device attached to the top plate, and a winding / winding device suspended from the lifting device A downlight type lighting fixture comprising: a lighting fixture which is housed in an opening of the ceiling contact opening frame and which is fixed to a reflecting shade to which a lamp is detachably attached, on a lifting part suspended from a returned wire rope. The downlight-type lighting fixture, wherein the device is attached below the top plate, and has an elongated hole formed substantially on a center line of the top plate, into which the hanging bolt is inserted. 2. The down-type as claimed in claim 1, wherein columns for connecting said top plate and said ceiling contact opening frame are provided on both sides of a long hole provided substantially on a center line of said top plate. Light type lighting equipment. 3. A ceiling contact opening frame having an opening at the center, which is inserted from below a mounting hole formed in the ceiling surface and is engaged with the mounting hole, and a post above the ceiling contact opening frame. An appliance main body comprising a top plate disposed with a lifting device attached thereto, and a lifting portion suspended from a wire rope suspended from the lifting device and taken up and unwound within the opening of the ceiling contact opening frame. A lighting fixture fixed to a reflective shade to which a lamp can be detachably attached, and wherein the fixture body is attached to a suspension bolt suspended from above the mounting hole; At the upper part of the main body, there is disposed a connecting metal fitting having a long hole substantially on the center line, into which the hanging bolt is inserted and attached to the hanging bolt, and at both ends of the connecting metal fitting, the connecting metal fitting and the device are provided. Downlight luminaires, characterized in that the suspending member connecting the top plate body is provided respectively. 4. A ceiling contact opening frame having an opening at the center, which is inserted from below a mounting hole formed in a ceiling surface and is engaged with the mounting hole, and a post above the ceiling contact opening frame. An appliance main body comprising a top plate disposed through the top plate and an elevating device attached to the top plate; and a ceiling contact opening at an elevating portion suspended from a wire rope suspended from the elevating device and taken up and rewinded. A lighting fixture to which a reflector which can be housed in an opening of a frame and to which a lamp is detachably attached is fixed, wherein the fixture main body is attached to a suspension bolt suspended from above the mounting hole; In the device, an insertion hole into which the suspension bolt is inserted is provided at a substantially central portion of the top plate, and the suspension bolt which is disposed on the back side of the top plate and attached to the suspension bolt is inserted. Downlight luminaires, characterized in that a fitting having that a long hole substantially on the center line.