JPH056706A - Lighting equipment for surface-mounting type fluorescent lamp - Google Patents

Abstract

PURPOSE:To facilitate the mounting work on a ceiling in a few man-hours. CONSTITUTION:An assembled body (m) formed of an equipment body 4 and a reflecting plate 6 is brought up to a ceiling and the equipment body 4 is screwed to an embedded rosette 2 while looking at the center part of the equipment body 4 through the opening part 9 of the reflecting plate 6. The catching claws 21 of an all-night bulb cover 7 are inserted to notches 22 formed in two positions of the opening part 9 of the reflecting plate 6, the all-night bulb cover 7 is horizontally rotated to engagingly lock the catching claws 21 onto the opening part 9, whereby the all-night bulb cover 7 is mounted on the reflecting plate 6. Finally, a fluorescent lamp 8 is installed to corresponding sockets 35, and the mounting of a lighting equipment onto the ceiling is completed. Since the all-night bulb cover 7 blocks the opening part 9 of the reflecting plate 6 and shields the central ceiling mounting part of the equipment body 4, a good appearance from below of the lighting equipment 10 is provided.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fluorescent lamp exposure type direct lighting fluorescent lamp illuminator which is directly mounted on a ceiling via a simple mounting means.

[0002]

2. Description of the Related Art An example of a lighting fixture for a direct-attached fluorescent lamp in which a fluorescent lamp is exposed will be described with reference to FIGS. The lighting fixture (30) of the same figure is screwed to an embedded rosette (2) fixed to the ceiling (1) and directly attached to the ceiling (1). As shown in FIG. 12, the embedded rosette (2) has mounting screws (3) screwed from below to support claws (2a) protruding at both ends. The lighting fixture (30) is for three straight tube fluorescent lamps, and has a rectangular fixture body (31), a reflector (32), and three straight tube fluorescent lamps (8). The reflector (32) is detachably fixed to the lower surface of the instrument body (31) with a plurality of decorative screws (34). Instrument body (31)
A fluorescent lamp lighting means (not shown) and the night bulb are housed between the reflector and the reflector (32). The fluorescent lamp (8) is attached to the sockets (35) protruding below both ends of the reflection plate (32). Figure
As shown in 12, the instrument body (31) has a round hole (36) in the center.
And arc-shaped elongated holes (37) on both sides thereof. One end side of the pair of elongated holes (37) in the same direction is a large diameter hole (37a) through which the head (3a) of the mounting screw (3) is inserted.

The lighting fixture (30) is attached to the ceiling (1) in the following manner. Loosen the mounting screw (3) slightly from the support claw (2a) of the embedded rosette (2) on the ceiling (1). Remove the fluorescent lamp (8) from the lighting fixture (30), remove the reflector (32) from the fixture body (31), and remove the fixture body (3).
Lift 1) to the ceiling (1). Insert the large diameter hole (37a) of the long hole (37) of the instrument body (31) into the head (3) of the mounting screw (3).
Insert it into a) and turn the instrument body (31) sideways, insert the screw part (3b) of the mounting screw (3) into the slot (37), and insert the slot (37).
The head part (3a) is locked to and the instrument body (31) is temporarily fixed to the embedded rosette (2). Tighten the mounting screw (3) to fix the instrument body (31) under the embedded rosette (2), and move it forward and backward from the round hole (36) of the instrument body (31) to remove the embedded rosette (2). At the center, a hook sealing cap (3
Insert the L-shaped terminal of 8) and connect it electrically and mechanically. After that, the reflection plate (32) is screwed to the instrument body (31), and the fluorescent lamp (8) is attached to the socket (35).

[0004]

In a direct-mounting type lighting fixture having a mounting structure capable of a simple mounting means using a rosette fixed to the ceiling, the mounting of the main body of the fixture to the ceiling and the removal from the ceiling are performed. Is easy. However, when the lighting fixture is mounted on the ceiling, the work of fixing the reflector plate under the fixture main body with screws after mounting the fixture main body on the ceiling requires a lot of man-hours and is troublesome. Also, when removing a lighting fixture mounted on the ceiling, the fluorescent lamp and the reflector are removed from the lighting fixture on the ceiling, and the fixture body is removed from the simple mounting means on the ceiling, which requires a lot of troublesome work. .

Therefore, an object of the present invention is to mount a fluorescent lamp on the ceiling through a simple mounting means of the ceiling without removing the reflector from the main body of the fixture, and to easily remove the fluorescent lamp from the ceiling. An object is to provide an exposure type lighting fixture for a direct-attached fluorescent lamp.

[0006]

DISCLOSURE OF THE INVENTION The present invention comprises a fixture main body screwed to a simple mounting means fixed to a ceiling, a reflector plate detachably attached with a fluorescent lamp lighting means storage space under the fixture main body, and a reflection plate. A lighting fixture comprising a night bulb cover removably attached to a plate and a fluorescent lamp arranged below the reflector, the reflector facing the mounting part to the ceiling of the fixture body and its vicinity. By forming an opening in the part, using this opening to attach the instrument main body that is integrally assembled with the reflector to the ceiling, and then installing the overnight ball cover that closes it in the opening It achieves the above object.

Further, according to the present invention, the simple mounting means is provided with a plurality of mounting studs extending downward, and the mounting studs are penetrated through the assembly of the main body of the lighting fixture and the reflection plate, and project from the lower surface of the reflection plate. The above object is achieved by tightening a mounting nut on the lower end portion of the mounting stud and directly mounting the assembly of the tool body and the reflector to the ceiling.

In the case of a lighting device having a mounting structure using the above-mentioned mounting studs, a guide means for regulating the insertion direction of the mounting stud from the stud insertion hole of the device main body to the stud insertion hole of the reflection plate between the main body of the device and the reflection plate. It is desirable to arrange the lighting fixture in order to simplify the work of mounting the lighting fixture on the ceiling.

[0009]

[Operation] From the opening of the reflector installed in the instrument body,
You can see the part where the fixture body is attached to the ceiling and its vicinity.
It is possible to easily lift the fixture body assembled with the reflector plate to the ceiling without removing the reflector plate, and screw the fixture body to the simple mounting means on the ceiling by hand by using the opening of the reflector plate. The opening of the reflector impairs the appearance of the fluorescent lamp exposure type lighting fixture, but the night bulb cover attached to this opening closes the opening and hides the opening and the mounting part of the fixture body to the ceiling. , The appearance of the lighting equipment will be good.

Even in the structure in which a mounting stud extending downward is provided in the simple mounting means of the ceiling, the mounting stud is penetrated through the assembly of the instrument main body and the reflector, and the mounting nut is tightened from below the reflector, the reflector is removed. The luminaire can be installed on the ceiling without. In this case, by hiding the mounting nut under the reflector with the night-time ball cover, the appearance of the lighting fixture can be kept good.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to FIGS. 1 to 3 and a second embodiment will be described with reference to FIGS. In the drawings shown in each of the embodiments, the same or corresponding parts as those in FIGS. 9 to 12 are designated by the same reference numerals and the description thereof will be omitted.

The lighting fixture (10) of the first embodiment shown in FIG. 1 is a front view before it is mounted on the ceiling (1), and FIGS. 2 and 3 are partially enlarged views after the mounting. Lighting equipment (10)
Is for three straight tube fluorescent lamps, and has a substantially rectangular instrument body (4), a reflector (6), and a circular night bulb cover (7). Fluorescent lamp lighting means (5) under the instrument body (4)
The reflection plate (6) is detachably assembled with a plurality of decorative screws and the like in a space for storing the. An overnight ball cover (7) is removably attached to the center of the lower surface of the reflector (6), and three pairs of sockets (35) are projectingly provided at both ends of the reflector (6). Side plates (16) also functioning as socket covers are attached to both ends of the assembly (m) of the instrument body (4) and the reflector (6). Three fluorescent lamps (8) are mounted in parallel in the socket (35).

The main body (4) of the lighting fixture (10) is screwed to an embedded rosette (2) which is a simple attachment means for the ceiling (1). The tool body (4) has a round hole (36) in the center, similar to the tool body (31) shown in FIG.
And a pair of elongated holes (37), and is attached to the embedded rosette (2) with the attaching screw (3) in the same manner as the instrument body (31) of FIG. The lighting fixture (10) has a circular opening (9) in the center of the reflector (6) facing the center of the fixture body (4).
And a night-time ball cover (7) is attached to the opening (9). The size of the opening (9) of the reflector (6) is from the opening (9) to the round hole (36) of the instrument body (4).
The long hole (37) can be seen, and the instrument body (4) can be manually screwed to the embedded rosette (2). A night ball (17) between the reflector (6) and the center of the fixture body (4)
Is installed in the night ball socket (18). The night ball socket (18) is fixed, for example, on the reflection plate (6). The night bulb cover (7) is a circular dish-like shape that closes the opening (9) of the reflector (6), and for example, a reflector (21) is provided by using hooking claws (21) integrally formed at two upper ends. It will be mounted below the opening (9) in 6) as described below.

As shown in FIG. 1, the lighting fixture (10) is mounted on the ceiling (1) with only the fluorescent lamp (8) and the night bulb cover (7) removed from the lighting fixture (10). , As follows: The assembly (m) of the instrument body (4), the reflector (6) and the side plate (16) is lifted up to the ceiling (1), and the central portion of the instrument body (4) is opened from the opening (9) of the reflector (6). , The instrument body (4) is screwed to the embedded rosette (2), and the hook sealing cap (38) is attached to the embedded rosette (2). After that, the hook claws (21) of the night-time ball cover (7) are inserted into the notches (22) formed in the opening (9) of the reflection plate (6), and the night-time ball cover (7) is attached. The night ball cover (7) is attached to the reflection plate (6) by rotating it laterally and locking the hooking claw (21) on the opening (9). Finally, attach the fluorescent lamp (8) to the corresponding socket (3
Attach it to 5) and complete the installation of the lighting fixture (10).
At this time, the night bulb cover (7) closes the opening (9) of the reflection plate (6) and hides the ceiling mounting part in the center of the fixture body (4), so the appearance from below the lighting fixture (10) Will be good.

The lighting fixture (20) of the second embodiment shown in FIGS. 4 to 6 has a pair of mounting studs (11) fixed to an embedded rosette (2) which is a simple mounting means for the ceiling (1).
Then, the mounting nuts (12) corresponding to these are directly attached to the ceiling (1). The pair of mounting studs (11) are shown, for example, in FIG.
As shown in Fig. 3, the upper end is a screw rod that is fixed to two locations on the disc-shaped mounting bracket (19) and extends in parallel downward, and the mounting bracket (19) is on the lower surface of the embedded rosette (2). It is fixed with mounting screws (3). The mounting stud (11) is an assembly (n) of the fixture body (4 ') and the reflector (6') of the lighting fixture (20).
Has a length sufficient to penetrate

The luminaire body (4 ') of the luminaire (20) has a hook sealing cap lead-out hole (23) at the center and a pair of stud insertion holes (13) near the hook sealing cap lead-out hole (23). The reflector (6 ') assembled under the instrument body (4') has a lead-out hole (24) for the night ball (17) in the center and a pair of stud insertion holes (14) on both sides. Then, the night ball cover (7 ') is detachably attached to the lower part of the central portion. The stud insertion hole (13) of the instrument body (4 ') is a hole having a diameter sufficiently larger than the outer diameter of the mounting stud (11) so that the mounting stud (11) can be easily inserted from below. The stud insertion hole (14) of the reflection plate (6 ') is formed directly under the stud insertion hole (13), and the stud insertion hole (14) has a diameter substantially the same as the diameter of the mounting stud (11). . A guide means (15) for restricting the insertion direction of the mounting stud (11) is arranged between the instrument body (4 ') and the stud insertion hole (13) (14) of the reflector (6'), if necessary. . The guide means (15) is, for example, of an inverted conical cylinder shape, and the mounting stud (11) inserted into the large-diameter stud insertion hole (13) of the instrument body (4 ') has a small diameter of the reflection plate (6'). Guide it through the insertion hole (14). Mounting nut (12) is reflector (6 ')
The mounting stud (11) protruding from the insertion hole (14) is screwed to the lower end of the mounting stud (11), and the reflection plate (6 ') is tightened toward the ceiling (1).

As the night-time ball cover (7), a circular dish-shaped member having a size for hiding the pair of mounting nuts (12) at the center of the lower surface of the reflection plate (6 ') is used. This can be attached, for example, in FIG.
As shown in FIG. 5, the hook claws (26) projecting from the upper end of the night bulb cover (7) are formed in the arc-shaped mounting holes (25) formed at the corresponding positions of the reflector (6). It is carried out by inserting it into one end portion (25a) and rotating it laterally so that the hooking claw (26) is locked to the other end portion of the mounting hole (25).

As shown in FIG. 6, the lighting fixture (20) is attached to the ceiling (1) by a fixture body (4 ') and a reflector (6').
The night-time ball cover (7) is removed from the assembly (n) and the procedure is as follows. A pair of mounting studs (11) fixed to the ceiling (1) by lifting the assembly (n) to the ceiling (1).
Insert the stud insertion hole (13) of the instrument body (4 ') into.
This insertion work is a work that cannot be seen from the bottom of the assembly (n), but the stud insertion hole (13) must be large enough for the mounting stud (11) Even if the assembly (n) is slightly displaced with respect to the stud (11), it can be easily and surely performed. Then, when the assembly (n) is further lifted, the mounting stud (11) is guided by the inner surface of the guide means (15), and the position of the assembly (n) with respect to the mounting stud (11) is automatically corrected. The lower end of the mounting stud (11) is inserted into the insertion hole (14) of the reflection plate (6 '). When the mounting nut (12) is screwed onto the lower end of the mounting stud (11) protruding from the insertion hole (14) and tightened, the assembly (n) is directly mounted and fixed to the ceiling (1). After that, the night bulb cover (7) is attached under the reflector (6 ') to hide the mounting nut (12) and the night bulb (17), and to improve the appearance from the bottom of the lighting fixture (20). Make something.

It is needless to say that the present invention is not limited to the straight tube type fluorescent lamp lighting fixture as in the above embodiment, and can be applied to ring fluorescent lamp lighting fixtures as in the above embodiment.

[0020]

The present invention has the following effects with the above configuration.

In the luminaire according to the first aspect, the assembly of the luminaire main body and the reflector is formed because the mounting portion to the ceiling of the luminaire main body and its vicinity can be seen through the opening of the reflector installed in the luminaire main body. It is possible to lift up to the ceiling and screw the instrument body to the simple mounting means on the ceiling through the opening of the reflector. Therefore, the installation work of the lighting fixture to the ceiling and the removal work from the ceiling can be easily performed with less man-hours. Also,
By attaching the night bulb cover to the opening of the reflector and hiding the opening and the attachment of the fixture body to the ceiling with the night bulb cover, the appearance of the lighting fixture can be improved.

Also in the case of the lighting device according to the second aspect, the reflector is removed by inserting the mounting stud of the simple mounting means of the ceiling into the assembly of the main body of the fixture and the reflector and tightening the mounting nut from below the reflector. The lighting fixture can be mounted on the ceiling without the need for installation work. In this case, by hiding the mounting nut under the reflection plate with the night-time ball cover, the appearance of the lighting fixture can be improved.

As in the luminaire according to the third aspect, the guide body disposed between the fixture body and the reflector plate guides the insertion direction of the mounting stud when the reflector plate is penetrated from the fixture body. It is possible to make the insertion hole of s sufficiently large in diameter to make the work of inserting the mounting stud easier, and to make the work of mounting the lighting fixture on the ceiling easier. In addition, the guide means arranged like a spacer between the instrument body and the reflection plate, together with the insertion guide of the mounting stud,
It can also be used as a reinforcing member for preventing the bending of the reflection plate, which is particularly effective in a large luminaire in which the deformation of the reflection plate is observed.

[Brief description of drawings]

FIG. 1 is a partial front view showing a first embodiment of the present invention including a partial cross-section when mounted on a ceiling.

2 is an enlarged cross-sectional view of the main part of the lighting fixture of FIG. 1 when directly attached to the ceiling.

FIG. 3 is a bottom view including a part of the main part shown in FIG.

FIG. 4 is a sectional view of an essential part showing a second embodiment of the present invention.

5 is a bottom view including a part of the main part of FIG. 4 omitted.

FIG. 6 is a partial front view including a partial cross section when the lighting fixture of FIG. 4 is attached to a ceiling.

7 is a perspective view of a mounting stud fixed to the ceiling of FIG.

FIG. 8 is an exploded perspective view of a reflector and a night bulb cover of the lighting equipment of FIG.

FIG. 9 is a front view of a conventional lighting fixture for a direct-mounted fluorescent lamp.

FIG. 10 is a bottom view of the lighting device of FIG. 9.

FIG. 11 is an exploded front view of the lighting fixture of FIG. 9 when attached to the ceiling.

FIG. 12 is an exploded perspective view of the simple attachment means and the instrument body before assembly in FIG. 9.

[Explanation of symbols] 1 ceiling 2 Simple mounting means (embedded rosette) 3 mounting screws 4 instrument body 4'apparatus body 5 Fluorescent lamp lighting means 6 reflector 6'reflector 7 night ball cover 7'night ball cover 8 fluorescent lamps 9 openings 10 lighting equipment 11 Mounting stud 12 Mounting nut 13 Stud insertion hole 14 Stud insertion hole 15 Guide means 20 lighting fixtures m assembly n assembly

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁵ Identification code Office reference number FI technical display location F21V 19/00 330 L 2113-3K 21/02 101 N 2113-3K

Claims (3)

[Claims] 1. An instrument main body screwed to a simple attachment means fixed to a ceiling, a reflector plate detachably attached with a fluorescent lamp lighting means accommodating space under the instrument body, and a removably attachable reflector plate. A night bulb cover and a fluorescent lamp arranged below the reflector are provided, and the reflector has an opening in a portion where the fixture body is attached to the ceiling and a portion facing the vicinity thereof. A lighting fixture for a direct-attached fluorescent lamp, characterized in that the main body of the fixture is mounted on the ceiling by utilizing it, and the night bulb cover for closing the cover is attached to the opening. 2. An instrument main body screwed to a simple attachment means fixed to the ceiling, a reflector plate detachably attached with a fluorescent lamp lighting means accommodating space under the instrument body, and a permanent attachment detachably attached to the reflector plate. The night bulb cover and the fluorescent lamp arranged below the reflector are provided, and the simple attachment means has a plurality of attachment studs extending downward, and the attachment studs are attached to the assembly of the instrument body and the reflector. For a direct-attached fluorescent lamp, characterized in that the mounting nut is tightened to the lower end of the mounting stud that penetrates and projects from the lower surface of the reflector, and the night bulb cover is mounted on the portion of the reflector that hides the mounting nut. lighting equipment. 3. The guide means for regulating the insertion direction of the mounting stud from the stud insertion hole of the equipment main body to the stud insertion hole of the reflection plate is arranged between the equipment main body and the reflection plate. Lighting equipment for direct-attached fluorescent lamps.