JPH05148939A - System ceiling - Google Patents

Abstract

PURPOSE:To enable ceiling equipment including at least a lighting instrument to be assembled previously in a factory or the like so as to be incorporated easily into a ceiling part on the building site. CONSTITUTION:Lighting instruments 20 are fitted to both sides of frame members 11b on two opposed sides forming a square frame 12, and other equipment such as air-conditioning equipment 30 is fitted between both lighting instruments 20. Supporting flanges 13a are protrusively provided at two other opposed sides in the square frame 12, and these supporting flanges 13a are fitted to supporting bars 6a provided across two opposed sides of ceiling bars 6 forming square spaces 7. Equipment including the lighting instrument can be thereby assembled previously in a factory or the like and incorporated easily into a ceiling part on the building site.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a system ceiling, and more specifically, to a ceiling panel installed between a plurality of ceiling bars suspended by suspending means suspended from a ceiling slab. The present invention relates to a system ceiling incorporating facility equipment such as lighting equipment and air conditioning equipment.

[0002]

2. Description of the Related Art As a conventional system ceiling of this type,
A structure in which a lighting device is framed in a square shape, an air conditioner such as an air purifier is attached to the lighting device, and a sprinkler is attached to an inner ceiling panel that is installed in the inner space of the lighting device (Japanese Utility Model Publication No. 2-68010). ), A structure in which lighting equipment is arranged between ceiling panels, and other equipment such as a sprinkler, a speaker, or a sensor is arranged at a corner where four ceiling panels are adjacent to each other (actual use flat 2-934).
No. 10), or auxiliary devices such as smoke detectors and speakers are arranged at the corners, and the lighting device is arranged on the side connecting these additional devices, and the air conditioner is provided along the edge of the lighting device. There is known a structure (see Japanese Patent Laid-Open No. 62-78338) in which ring-shaped ceiling fixtures around which are arranged at predetermined intervals.

[0003]

However, in the structure disclosed in Japanese Utility Model Laid-Open No. 2-68010, an air purifier is manufactured by combining four lighting devices into a square frame and processing the lighting devices. There is a problem that the assembly is troublesome, the structure is complicated and many components are required, and it is necessary to install a separate equipment other than the sprinkler, for example, a speaker or smoke detector. A mounting structure was needed. In the structure described in Japanese Utility Model Laid-Open No. 2-93410, a lighting device, an air conditioning device, a sprinkler, and other devices can be incorporated in the ceiling portion, but the lighting device is disposed between the ceiling panels, and the equipment device is the ceiling panel. Since there is a structure in which they are arranged in the adjacent corners, there are problems that there are many constituent members and that construction on site is troublesome. Further, the structure described in JP-A-62-78338 has a structure in which the lighting device, the air conditioning device, and the auxiliary devices such as smoke detectors are arranged as a unit at a predetermined interval, Although the construction can be simplified as compared with the structure described in Japanese Utility Model Laid-Open No. 2-93410, in this structure, a beam member is supported on the upper surface of the frame frame suspended from the ceiling slab. A ceiling bar is attached to the lower edge of the frame, and air supply and exhaust ducts for air conditioners are formed between the fixed hangers that are parallel to each other and hung from the beams, and the lighting equipment is supported between the pair of fixed hangers. Since this structure has a structure that requires assembling at the site, and there is a problem that the construction is troublesome.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a system ceiling in which at least equipment for a ceiling including a lighting device is integrated and which can be easily incorporated into a ceiling portion. ..

[0005]

In order to achieve the above object, in the system ceiling of the present invention, a ceiling panel is installed between a plurality of ceiling bars suspended by suspending means suspended from a ceiling slab. In the system ceiling, the two sides of one side of the rectangular frame accommodating at least the facility equipment for the ceiling including the lighting equipment are fixed to the ceiling bar side, and the facility equipment is mounted on the other two sides. It is characterized by doing so.

In the present invention, the rectangular frame may be attached to the ceiling bar side by fixing the rectangular frame directly to the ceiling bar or an auxiliary support bar fixed to the ceiling bar with fixing members such as bolts and screws. Although it is possible, it is preferable to fix the support piece protruding from one of the two sides of the rectangular frame and the support bar fixed to the ceiling bar side via the positioning and fall prevention members.

[0007]

According to the system ceiling of the present invention configured as described above, one of the two opposite sides of the rectangular frame for accommodating the ceiling equipment including the lighting equipment is fixed to the ceiling bar side and the other side. After installing the equipment on the rectangular frame at the factory by attaching the equipment on the two sides of
Equipment can be installed in the ceiling on site.

Further, a support piece projecting from one of two sides of the rectangular frame and a support bar fixed to the ceiling bar side are provided.
By fixing through the positioning and fall prevention member, it is possible to easily assemble the equipment into the ceiling portion and securely and firmly attach the equipment.

[0009]

Embodiments of the present invention will be described below in detail with reference to the drawings.

FIG. 1 is a perspective view of the system ceiling of the present invention as seen from the underside of the ceiling, FIG. 2 is a perspective view of the system ceiling when looking up, and FIG. 3 is a perspective view showing the essential parts thereof.

The system ceiling of this invention is a ceiling slab 1.
A height-adjustable hanging metal fitting 4 that is attached to a hanging bolt 3 that hangs down with an anchor 2, a cross-shaped connecting metal fitting 5 that is attached to the lower portion of the hanging metal fitting 4, and a connecting metal fitting 5
A plurality of ceiling bars 6 connected orthogonally to each other and a rectangular space 7 for erection of ceiling panels formed by the plurality of ceiling bars 6.
It is composed of a plurality of ceiling panels 8 installed inside, and an equipment assembly unit 10 that is installed in the center of the rectangular space 7 between the ceiling panels 8 and 8 and that has a ceiling equipment including at least a lighting equipment 20. ing. In addition, between the upper surface of the ceiling bar 6 at an arbitrary position and the ceiling slab 1, tension means 9 for preventing the horizontal movement of the ceiling bar 6 is stretched in an inclined shape.

In this case, the equipment gathering unit 10 has the lighting equipments 20, 20 arranged on both sides thereof, and the equipments such as the air conditioning equipment 30, the speaker 40, the smoke detector 50, the sprinkler 60, the emergency light 70, or the like between them. Any of the other lighting equipment (not shown) is replaceably arranged.
Then, as shown in FIG. 1 and FIG. 3, two mutually parallel support bars 6a, 6 connected to two facing ceiling bars 6 forming a rectangular space 7 via support metal fittings 5a.
It is attached in a state of being erected on a.

As shown in FIGS. 4 to 6, the equipment assembly unit 10 includes four frame members 11a, 11a, 11
A rectangular frame 12 (hereinafter referred to as a rectangular frame) in which b and 11b are framed in a rectangular shape, a pair of lighting devices 20 and 20 installed on both sides in the rectangular frame 12, and the lighting devices 20 and 20 are arranged between the lighting devices 20 and 20. Box shape with equipment such as air conditioner 30 (specifically, air conditioning duct), speaker 40, sprinkler 60, equipment such as smoke detectors and emergency lights (not shown in FIGS. 4 to 6), or other lighting equipment. Is formed in.

In this case, in order to attach the frame members to each other, as shown in FIG. 6, a rectangular slit formed in the mounting piece 11c bent at a right angle to the end of one adjacent frame member 11a. After inserting the locking tongue 11e cut and raised from the end of the other frame member 11b into 11d, the locking tongue 11e can be bent and fixed.

The equipment assembly unit 1 configured as described above
0, each of the frame members 11a and 11b has a locking portion 14 for erection of a U-shaped ceiling panel outward facing the lower end edge of the base portion 13.
And an outward supporting flange 13a, which is a supporting piece attached to the supporting bar 6a, is projectingly provided at the upper end edge of the base 13 of the frame members 11a, 11a on two opposite sides.
It is fixed to the support bar 6a via a mounting member 16 to be described later, and the frame members 11b, 11b on the other two opposite sides.
At the upper edge of the base 13 of the
Also, an outward mounting flange 13b for mounting the upper case 31 of the equipment device, for example, the air conditioner 30, is provided in a protruding manner. In this case, the mounting hole 1 is formed in the mounting flange 13b.
3c is provided in the upper case 21 of the lighting device 20.
Mounting hole 22 provided in the mounting flange 22 protruding from the
a and a mounting hole 31a provided at the end of the upper case 31 of the air conditioner 30 are fixed with a mounting screw 17. In addition, a notch 13 for mounting a fall prevention spring 80, which will be described later, is provided at the center of the base portion 13 of each frame member 11.
d is provided.

On the other hand, an illumination lamp (not shown) is built in from below the rectangular frame 12, and a lower case 23 having a reflection plate or a louver is inserted and fixed with screws or the like (not shown). , 20, a facility plate 33 having, for example, an air conditioning louver 32 is mounted. Equipment other than the air conditioner 30 can also be attached to the rectangular frame 12 in the same manner. For example, as shown by the one-dot chain line or two-dot chain line in FIG. 5, the equipment plate 33 to which the speaker 40 is attached or the sprinkler 60 is attached. The equipment plate 33 can be mounted similarly.
That is, as shown in FIGS. 7 and 8, the equipment plate 3
It can be fixed by the fixing screw 15 penetrating the mounting hole 33b provided in the mounting piece 33a erected at the end of 3 and the mounting hole 13e provided in the base 13 of the frame member 11 of the rectangular frame 12.

Next, a procedure for assembling the equipment assembly unit 10 configured as described above will be described. Here, the case where the equipment is the air conditioner 30 will be described.

First, the frame member 11 is framed into a rectangular shape to form a rectangular frame 12. Next, as shown in FIGS. 7 and 8, the equipment plate 33 is inserted from below the rectangular frame 12, and penetrates through the mounting hole 13e of the base portion 13 of the frame member 11 into the mounting hole 33b provided in the mounting piece 33a. The equipment plate 33 is fixed by the fixing screws 15 that are screwed together.
At this time, a fall prevention spring (not shown) is attached to the fall prevention spring attachment notch 13d. Next, the upper case 31 having the outlet of the air conditioner 30 from above the rectangular frame 12
Is inserted, and is fixed to the mounting flange 13b with the mounting screw 17. Next, an air conditioning unit (not shown) in which a chamber, a duct mounting opening, and a heat insulating material are integrated is attached above it. Further, the upper case 21 of the lighting device 20 is inserted into both sides of the rectangular frame 12, and the mounting flange 22 of the lighting device 20 and the mounting flange 13b of the rectangular frame 12 are inserted.
And are fastened with mounting screws 17. Then, from below the rectangular frame 12, the lower case 23 including the illuminating lamp 24 of the illuminating device 20 and the reflecting plate or the louver for illumination and the equipment plate 33 including the louver 32 of the air conditioner 30 are inserted and fixed with the fixing screws 15, respectively. By doing
The assembly work is completed (see FIGS. 9 to 11, 13 and 14).

In the above description, the equipment is the air conditioner 3
Although the case where it is 0 has been described, other equipment such as the speaker 40, the smoke detector 50, and the sprinkler 6 are described.
The 0 or emergency light 70 can also be attached to the rectangular frame 12 as described above. That is, in the case of the speaker 40, the equipment plate 33 to which the speaker 40 is attached in advance is screwed to the rectangular frame 12 (see FIG. 12), and the smoke detector 50, the sprinkler 60, and the emergency light 70.
Similarly, smoke detector 50 and sprinkler 60 are also preliminarily prepared.
Alternatively, by fixing the equipment plate 33 to which the emergency light 70 is attached to the rectangular frame 12 with the fixing screw 15, the equipment collective unit 10 in which the lighting devices 20, 20 and the equipment are integrated can be formed. In this case, the solid equipment plate 33 may be screwed to the equipment assembly unit that does not require equipment.

Therefore, the equipment assembly unit 10 configured as described above has a structure in which the lighting equipments 20, 20 are arranged on both sides of the rectangular frame 12, and any equipment is arranged between them as necessary. It is possible to combine the lighting devices 20 and 20 with any facility device in advance in a factory or the like to form a unit. Moreover, since the presence of the equipment can be reduced by the light of the illumination from the illumination devices 20, 20, the appearance of the ceiling surface can be improved.

As shown in FIGS. 1 and 3, the equipment assembly unit 10 assembled as described above has a support fitting between two opposing ceiling bars 6 and 6 in a rectangular space 7 formed by the ceiling bars 6. It is mounted between two parallel support bars 6a, 6a which are erected with 5a, and is arranged between ceiling panels 8, 8. In this case, the equipment assembly unit 1
As shown in FIG. 15 to FIG. 18, 0 is a plurality of piece-shaped positioning and dropping fixed by snap engagement in the through hole 6b formed in the top surface of the support bar 6a having an inverted U-shaped cross section. The attachment member 16 for prevention can be easily fixed to a predetermined position of the support bar 6a.

That is, as shown in FIG. 17, the mounting member 16 for fixing the equipment assembly unit 10 has a support bar 6a.
The horizontal substrate 1 has a bulge fixing projection 16b of two cracks snap-fitted into the through hole formed in the support bar 6a at the center of the lower surface of the horizontal substrate 16a placed on the top surface of the horizontal substrate 1a.
A positioning protrusion 16c is provided at the center of the upper surface of 6a, and the holding piece 16d is bent at a right angle so as to abut against the side wall of the support bar 6a from one side of the horizontal substrate 16a. 16d has a standing piece 16e having a spring property that is bent from the lower end of 16d and stands upright in the vertical direction, and projects from the upper end of the standing piece toward the positioning projection side, and the upper surface is a guide surface with a downward slope toward the tip 16f locking claw 16
have g. The mounting member 16 thus configured is formed of a plastic member such as polyethylene resin. The mounting member 16 is fixed by snap-fitting the bulge fixing projection 16b into the through hole 6b of the support bar 6a.
0 is inserted between the support bars 6a, 6a, and the rectangular frame 1
By moving the second supporting flange 13a downward along the guide surface 16f, the locking claw 16g and the upright piece 16e are formed.
Is pushed outward and the positioning hole 13f of the supporting flange 13a is fitted into the positioning projection 16c, the locking claw 16g and the upright piece 16e are returned to their original positions, and the locking claw 16g is supported by the supporting flange. It is located above 13a and prevents the equipment collective unit 10 from being pulled out upward (see FIG. 18).
reference). Therefore, the equipment assembly unit 10 can be easily attached without the need for fixing means such as screwing or riveting, and the equipment can be accurately attached to the predetermined position. It is possible to obtain an effect that it is possible to prevent later lifting and movement.

Further, since the rectangular frame 12 of the equipment assembly unit 10 arranged as described above is provided with the locking portion 14 for installing the ceiling panel, this locking portion 1
4 and the ceiling bar 6 on the locking portions 14a provided on the ceiling bar 6.
The ceiling panel 8 and the equipment assembly unit 10 can be easily arranged on the same plane.
The ceiling panel 8 installed between the equipment assembly unit 10 and the ceiling bar 6 is a rectangular frame 1 of the equipment assembly unit 10.
By the fall prevention spring 80 that protrudes through the notch 13d provided in 2, the upward movement and movement are prevented.

The ceiling panel 8 has a large number of small holes 8a,
It is composed of a trapezoidal metal surface plate 8b having holes 8a formed therein, and a heat insulating / sound absorbing material 8c such as glass wool disposed on the back surface of the surface plate 8b.

In the above embodiment, the case where the equipment assembly unit 10 is arranged in the center of the rectangular space 7 has been described.
The equipment assembly unit 10 does not necessarily have to be arranged at the center of the rectangular space 7, and can be arranged at any place between the ceiling panels 8 and 8.

[0026]

As described above, since the system ceiling of the present invention is configured as described above, the following effects can be obtained.

1) According to the system ceiling of claim 1, at least two opposite sides of a rectangular frame for accommodating at least ceiling equipment including lighting equipment are fixed to the ceiling bar side, and the other two sides are fixed. Since the equipment is attached at the side, the equipment for the ceiling can be preassembled in a factory or the like, which simplifies the construction at the site and reduces the number of constituent members.

2) According to the system ceiling of claim 2, a support piece protruding from one of two sides of the rectangular frame,
Since the support bar fixed to the ceiling bar side is fixed via the positioning and fall prevention members, the equipment can be easily and firmly incorporated into the ceiling part.

[Brief description of drawings]

FIG. 1 is a perspective view of a system ceiling of the present invention viewed from the back of the ceiling.

FIG. 2 is a perspective view showing a state in which a system ceiling is looked up.

FIG. 3 is a perspective view showing a main part of the present invention.

FIG. 4 is an exploded perspective view showing an equipment assembly unit according to the present invention.

FIG. 5 is an exploded perspective view showing a state where the equipment of the equipment assembly unit is attached.

FIG. 6 is an exploded perspective view showing a rectangular frame of the equipment assembly unit.

FIG. 7 is an exploded perspective view showing a mounting state of a rectangular frame and equipment.

FIG. 8 is a perspective view showing a mounting state of the rectangular frame and the equipment.

FIG. 9 is a front view of the equipment assembly unit.

10 is a cross-sectional view taken along the line AA of FIG.

11 is a cross-sectional view taken along the line BB of FIG.

FIG. 12 is a cross-sectional view of a mounting portion of another facility device in the same state as in FIG.

13 is a cross-sectional view taken along the line CC of FIG.

14 is a view taken along the line DD of FIG.

FIG. 15 is an exploded perspective view showing a mounted state of a rectangular frame.

FIG. 16 is an exploded perspective view showing a cross section of a mounting portion of a rectangular frame.

FIG. 17 is a perspective view showing a mounting member of a rectangular frame.

FIG. 18 is a cross-sectional view showing a mounting portion of a rectangular frame.

[Explanation of symbols]

 1 Ceiling slab 4 Suspended metal fittings 6 Ceiling bar 6a Support bar 7 Square space 8 Ceiling panel 11a, 11b Frame member 12 Square frame (square frame) 13a Supporting flange (supporting piece) 16 Positioning and fall prevention mounting member 20 Lighting equipment 30 Air Conditioner 33 Equipment Plate 40 Speaker 50 Smoke Detector 60 Sprinkler 70 Emergency Light

Claims (2)

[Claims] 1. A system ceiling in which a ceiling panel is installed between a plurality of ceiling bars suspended by suspending means suspended from a ceiling slab, and at least ceiling equipment including lighting equipment is housed. A system ceiling, characterized in that two opposing sides of a rectangular frame are fixed to the ceiling bar side, and the above-mentioned equipment is attached to the other two sides. 2. A support piece projecting from one of two sides of a rectangular frame and a support bar fixed to the ceiling bar side are fixed via a positioning and fall prevention member. The system ceiling according to item 1.