JPH08329713A - Luminaire - Google Patents

Abstract

PURPOSE: To provide desirable light distribution property without impairing a design if a decoration is mounted under a shade. CONSTITUTION: A bell-shaped luminaire mainbody 1 formed with a mainbody 1a and a cover 1b has a lighting circuit means built therein. The first and second circular fluorescent lamps 3, 4 and a storage case 5 for a suspending member 7 are arranged at the lower part of the luminaire mainbody 1 with a lamp holder 2 and at the upper part, respectively. A shade 8 with the upper center formed in a recessed shape has an almost circular opening 9 at the center, a placement 10 adjacent to the opening 9 and a plural of holes 81 on the non-opening side adjacent to the placement 10. A flange 8a is mounted with a lower decoration 11 using a step 12 and a locking protrusion 13. The lower decoration 15 consists of" an inner cylinder 16 and an outer cylinder 17, the inner cylinder 16, divided in several corresponding to the holes 81 in the shade 8, having an inner cylinder strip 16a and a locking step 16b formed inside thereof.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a luminaire, and more particularly, in a luminaire for a ring-shaped fluorescent lamp, the position of the shade relative to the main body of the luminaire when an ornament is attached to the lower peripheral edge of the shade. The present invention relates to a structure for attaching a cede to an instrument body, which can improve the relationship in design.

[0002]

2. Description of the Related Art A conventional luminaire of this type is constructed, for example, as shown in FIG. In the figure, reference numeral 1 denotes an instrument body, which is constructed by abutting flange portions of a bowl-shaped body portion 1a and a cover portion 1b. A ballast, a switch, a socket for a miniature ball, a socket for a glow lamp, and the like, which are not shown, are built in the inside of the instrument body 1. The lamp holders-2 are fixed to the flange of the lower part of the instrument body 1 at intervals of 120 degrees with screws or the like. The lamp holder 2 holds first and second ring-shaped fluorescent lamps 3 and 4 having different outer diameters.

On the other hand, a flange portion 5 is provided on the upper part of the instrument body 1.
The housing case 5 of the hanging member having a has a flange portion 5a.
It has been fixed using. An adjuster 6 for adjusting the suspension height of the instrument body 1 from the ceiling surface by the suspension member is arranged on the upper portion of the storage case 5. The adjuster 6 allows the length of the hanging member, for example, the cord 7 drawn out from the storage case 5, to be freely adjusted. In addition, code 7
The non-lead-out part is stored in the storage case 5 and is connected to a lighting circuit for lighting the ring-shaped fluorescent lamps 3, 4 arranged in the instrument body.

On the upper portion of the instrument body 1, for example, the flange portion 5a of the storage case 5, a placing portion (10) of a substantially bowl-shaped cede 8 is placed. The seed 8 has a concave upper central portion, a substantially circular opening 9 is formed in the central portion, and a mounting portion 10 is formed in a portion adjacent to the opening 9. ing. Further, a flange portion 8a protruding outward is formed on the lower peripheral edge of the seed 8, and an opening portion 8b is formed on the lower portion. still,
From the center of the lower part of the instrument body 1, a drawstring 14 for controlling the turning on and off of the ring-shaped fluorescent lamps 3 and 4 and the miniature balls.
Is drooping.

[0005] Normally, this lighting fixture is installed in the fixture main body 1.
The code 7 is used by connecting it to a hanging rosette on the ceiling surface with the code 8 placed. In this state, the first and second annular fluorescent lamps 3 and 4 and the opening 8 of the shade 8
The relationship with b is set so that the light emitted from each ring-shaped fluorescent lamp is effectively used. Therefore, not only good light distribution characteristics can be obtained, but also the design is excellent.

[0006]

However, in the prior art, in order to add an accent to the luminaire, as shown in FIG.
As shown in FIG. 4, a lower ornament 11 may be attached to the seed 8. This undergarment 11 has a seed 8 on the upper side.
The upper opening 11a, which is slightly larger than the opening 8b of
The lower opening 11b which is slightly smaller than the opening 8b.
And an annular step portion 12 at the upper end portion of the upper opening 11a, and a plurality of (3 to 4) locking projections 13 at the upper end peripheral edge facing the step portion 12 and a flange portion. It is integrally formed with a space corresponding to the thickness of 8a. In addition, step 1
The 2 may be formed in a ring shape or in a divided state.

As shown by a chain double-dashed line in FIG. 7, the lower ornament 11 is attached to the flange portion 8a of the sead 8 by utilizing the step portion 12 and the locking projection 13.

According to this luminaire, although the design of the eyes is changed, since the lower decoration 11 is located considerably below the opening 8b of the shade 8, the light distribution characteristic below the luminaire is large. Therefore, there is a problem that not only the irradiation range is narrowed but also the design is not preferable.

Therefore, an object of the present invention is to provide a luminaire having a relatively simple structure and capable of obtaining a preferable light distribution characteristic without spoiling the design even if a garment is attached to the shade. is there.

[0010]

Therefore, in order to achieve the above-mentioned object, the present invention has an instrument main body having a hanging member on the upper part and an annular fluorescent lamp on the lower part, and an opening in the central part of the upper part. A substantially bowl-shaped cede having a mounting portion in a portion adjacent to the opening, and a tubular top decoration having a locking step on the inner or outer surface thereof. The upper ornament is placed on the main body of the instrument with the placing portion of the cede placed on the stop portion. A second invention of the present invention is a suspension member on the upper portion and a ring shape on the lower portion. An instrument main body each having a fluorescent lamp, an opening at the center of the upper portion, a mounting portion at a portion adjacent to the opening, and a flange portion projecting outward at the lower peripheral edge. , A tubular upper decoration having a locking step on the inner or outer surface, and a lower part locked on the flange of the seam. A lid, and by placing the top decoration on the instrument main body with the placing portion of the cede placed on the locking step portion of the top ornament, the cede relative to the instrument main body is placed. It is characterized in that the positional relationship is moved upward.

A third aspect of the present invention is a device main body having a hanging member at an upper portion and a ring-shaped fluorescent lamp at a lower portion, an opening portion at a central portion of the upper portion, and a portion adjacent to the opening portion. A substantially bowl-shaped saddle having a mounting portion and having a plurality of holes formed on the non-opening side adjacent to the mounting portion, and an outer portion of the inner cylindrical portion having a shorter length than the inner cylindrical portion. While forming the tubular portion, the inner tubular portion is partially divided so that it can be inserted into the hole of the seed,
The inner cylinder piece of the upper cover is provided with a locking step portion projecting from the inside thereof, and the inner cylinder piece of the upper decoration is inserted into the hole of the seed to mount the mounting portion on the locking step portion. It is characterized in that the lower end portion of the outer cylinder portion is brought into contact with the upper surface portion of the shade, and the top decoration is placed on the instrument body in this state.

Further, a fourth aspect of the present invention is to provide a fixture main body having a hanging member in an upper portion and a ring-shaped fluorescent lamp in a lower portion, an opening portion in a central portion of the upper portion, and a portion adjacent to the opening portion. A substantially bowl-shaped saddle having a mounting portion, a plurality of holes formed on the non-opening portion side adjacent to the mounting portion, and a flange portion projecting outward at the lower peripheral edge, An outer cylinder part having a shorter length than the inner cylinder part is formed on the outer peripheral part of the cylinder part, and the inner cylinder part is partially divided so that it can be inserted into the hole of the seed, and the inside of the inner cylinder piece is divided. And a lower ornament that is engaged with the flange portion of the shade, and the inner tube piece of the upper ornament is inserted into the hole of the seed and the placing portion is placed. While placing the lock step on the locking step, the lower end of the outer cylinder is brought into contact with the upper surface of the shade, and the top decoration is placed on the instrument body in this state, Se for tool body - and wherein a relative positional relationship of the de moved upward.

[0013]

According to the above-mentioned structure, the positional relationship of the shade with respect to the main body of the instrument can be freely changed by connecting the tubular upper ornament to the shade by utilizing the locking step portion of the upper ornament. it can. For this reason, even if a lower ornament is attached to the opening below the shade, the upper ornament can move the shade upward. Therefore, since the distance between the lower opening of the undergarment and the ring-shaped fluorescent lamp can be set to be equal to that without the undergarment, preferable light distribution characteristics can be obtained without impairing the design.

In particular, when a top decoration having an inner cylinder portion and an outer cylinder portion is used, the cede is sandwiched between the locking step portion of the inner cylinder piece and the lower end portion of the outer cylinder portion. The supportability of the cord is improved, and even if a slight vibration is applied, the position of the cord with respect to the instrument body can be reliably prevented.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, one embodiment of the present invention will be described with reference to FIGS.
Will be described with reference to. The same parts as those in FIG. 7 are designated by the same reference numerals, and detailed description thereof will be omitted. A feature of the present invention is that the relative positional relationship of the shade 8 with respect to the instrument body 1 is adjusted by the top decoration 15. For this reason, an annular mounting portion 10 is formed in the portion of the seed 8 adjacent to the opening 9 in the central portion of the upper portion.
A plurality of holes 81 are formed at equal intervals on the non-opening portion side adjacent to. On the other hand, the top decoration 15 has, for example, an inner cylindrical portion 16 having an inner diameter equal to or slightly larger than that of the storage case 5, and an outer portion shorter than the length of the inner cylindrical portion integrally formed on the outer peripheral portion of the inner cylindrical portion 16. The inner cylinder part 16 is divided into a plurality of parts so as to correspond to the holes 81 of the seed 8, and the inner part of the divided inner cylinder piece 16a has, for example, a triangular shape. The locking step portion 16b is integrally formed. The upper surface of the locking step portion 16a and the lower end portion 1 of the outer cylindrical portion 17 are
The distance to 7a is set to be equal to or slightly larger than the distance between the lower surface of the placing portion 10 of the seed 8 and the upper surface portion 8c.

Next, a method of assembling this lighting equipment will be described. First, when the inner cylinder piece 16a of the top decoration 15 is inserted into the hole 81 of the shade 8, the mounting portion 10 of the shade 8 is mounted on the locking step portion 16b, and the lower end of the outer cylindrical portion 17 is placed. Part 1
7a is brought into contact with the upper surface portion 8c of the seed 8 to be substantially sandwiched, and the seed 8 and the top decoration 15 are combined and integrated. Next, these are arranged on the upper part of the instrument main body 1 so that the lower end of the inner cylindrical portion 16 of the top decoration 15 is placed on the flange portion 5a of the storage case 5. Next, the lower ornament 11 is attached to the flange portion 8a of the seed 8 by utilizing the step portion 12 and the locking projection portion 13 to complete the assembly. The lower decoration 11 can be attached in advance.

According to this lighting device, the decoration 15 is
By attaching the cord 8, the instrument body 1 of the seed 8
The relative positional relationship with respect to can be moved upward. For this purpose, the undergarment 11 is attached to the opening 8b of the seed 8.
Even if the lamp is attached, the positional relationship between the first and second ring-shaped fluorescent lamps 3 and 4 and the lower opening 11b of the lower decoration 11 is such that the lamp of the conventional apparatus having no lower decoration and the opening 8b of the seed 8 are attached. It can be set similarly to the relationship with. Therefore, not only a preferable design as an instrument can be obtained, but also the light distribution characteristics can be improved.

In particular, the locking step 16a in the top decoration 15
If the distance between the upper surface of the outer cylindrical portion 17 and the lower end portion 17a of the outer cylindrical portion 17 is set to be substantially equal to the distance between the lower surface of the placing portion 10 of the seed 8 and the upper surface portion 8c, the connection between the two becomes strong. The mounting state on the instrument body 1 can be stably maintained.

Further, if the locking step portion 16a of the top decoration 15 is formed in multiple steps, the relative position of the shade 8 with respect to the instrument body 1 can be changed in multiple steps.

FIGS. 5 to 6 show another embodiment of the present invention, in which the top decoration 15A has a simple single-cylinder shape, and the outer surface of the cylindrical portion (inner cylindrical portion) 16 is Locking step 16
b is formed. Then, the top decoration 15A is placed on the instrument body 1, and the placing portion 10 of the shade 8 is placed on the locking step portion 16b thereof. As a result, the relative positional relationship of the seed 8 with respect to the instrument body 1 can be changed as in the above-described embodiment. If a locking projection is formed at the opposite portion of the locking step 16b, the top decoration 15A and the shade 8 are formed.
The binding state with can be stabilized.

Incidentally, the present invention is not limited to the above-mentioned embodiments, and for example, the seed and the undergarment may be light-transmissive as well as light-transmissive. Moreover, although a concave portion is formed at the center of the cede, this can be omitted. Further, although two ring-shaped fluorescent lamps having different outer diameters are used in combination, in addition to those having the same diameter, three lamps can be appropriately combined. Further, the attachment structure of the undergarment to the sail is not limited to the illustrated example.

[0022]

As described above, according to the present invention, the positional relationship of the shade with respect to the main body of the device is such that the tubular upper ornament is connected to the shade by utilizing the locking step portion of the upper ornament. It can be changed freely by doing. For this reason, even if a lower ornament is attached to the opening below the shade, the upper ornament can move the shade upward. Therefore, since the distance between the lower opening of the undergarment and the ring-shaped fluorescent lamp can be set to be equal to that without the undergarment, preferable light distribution characteristics can be obtained without impairing the design.

In particular, when a top decoration having an inner cylinder portion and an outer cylinder portion is used, the cede is sandwiched between the locking step portion of the inner cylinder piece and the lower end portion of the outer cylinder portion. The supportability of the cord is improved, and even if a slight vibration is applied, the position of the cord with respect to the instrument body can be reliably prevented.

[Brief description of drawings]

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

FIG. 2 is an enlarged cross-sectional view of a main part of FIG.

FIG. 3 is a plan view of a sail according to the present invention.

FIG. 4 is a side sectional view of a top decoration according to the present invention.

FIG. 5 is a side sectional view showing another embodiment of the top decoration according to the present invention.

FIG. 6 is a side cross-sectional view showing a connected state with a shade.

FIG. 7 is a side sectional view of a conventional example.

[Explanation of symbols]

 1 Instrument Main Body 2 Lamp Holder-3, 4 Ring Fluorescent Lamp 5 Storage Case 5a Flange Part 7 Suspending Member 8 Cede 8a Flange Part 8b Opening 8c Top Surface 9 Opening 10 Mounting Place 11 Lower Decoration 11a Upper Opening 11b Lower opening 12 Step 13 Locking step 15,15A Top decoration 16 Inner tube 16a Inner tube 16b Locking step 17 Outer tube 17a Lower end 81 Hole

Claims (4)

[Claims] 1. A substantially bowl-shaped device having a hanging member in the upper part and a ring-shaped fluorescent lamp in the lower part, an opening in the central part of the upper part, and a mounting part adjacent to the opening. A top cover having a locking step portion on the inner surface or the outer surface, and with the placing portion of the cede placed on the locking step portion of the upper decoration, A lighting fixture characterized by placing a decoration on the fixture body. 2. A device main body having a hanging member on the upper part and a ring-shaped fluorescent lamp on the lower part, an opening in the center of the upper part, and a mounting part adjacent to the opening, and a lower part. A substantially bowl-shaped sword with a flange portion protruding outward on the periphery, a tubular upper ornament with a locking step on the inner or outer surface, and a lower sword that is locked to the flange portion of the sword. The ornament is provided, and the upper ornament is placed on the instrument main body with the placing portion of the shade placed on the locking step portion of the upper ornament. A lighting fixture characterized in that the positional relationship is moved upward. 3. A fixture main body having a hanging member on the upper part and a ring-shaped fluorescent lamp on the lower part, an opening at the center of the upper part, and a mounting part adjacent to the opening, and a mounting part. A substantially bowl-shaped cede with a plurality of holes formed on the non-opening side adjacent to the placing section, and an outer cylinder section having a shorter length than the inner cylinder section on the outer peripheral section of the inner cylinder section, and the inner cylinder section. The inner hole of the inner part of the inner sleeve is provided with a stepped portion projecting from the inner part of the inner sleeve, and the upper part of the upper hole is inserted into the hole of the second hole. Insert the inner tube piece of the ornament to place the mounting portion on the locking step portion, and bring the lower end portion of the outer cylindrical portion into contact with the upper surface portion of the shade,
In this state, the top decoration is placed on the main body of the lighting device. 4. A fixture main body having a hanging member on the upper part and a ring-shaped fluorescent lamp on the lower part, an opening in the central part of the upper part, and a mounting part adjacent to the opening, and a mounting part. While forming a plurality of holes on the non-opening portion side adjacent to the placing portion,
A substantially bowl-shaped sleeve with an outwardly projecting flange portion formed on the lower peripheral edge and an outer cylinder portion having a shorter length than the inner cylinder portion are formed on the outer peripheral portion of the inner cylinder portion. -A top ornament that is partially divided so that it can be inserted into the hole of the sleeve, and a protruding step is provided on the inside of the inner cylinder piece, and a bottom ornament that is locked on the flange portion of the sleeve. The inner cylinder piece of the top decoration is inserted into the hole of the shade, the mounting portion is mounted on the locking step portion, and the lower end portion of the outer cylindrical portion is brought into contact with the upper surface portion of the shade. Then, by placing the top decoration on the main body of the fixture in this state, the relative positional relationship of the shade with respect to the main body of the fixture is moved upward.