JPH094112A - Attachment device for incidental equipment on the system ceiling - Google Patents

Abstract

(57) [Abstract] [Purpose] Utilizing the extruded cross-sectional shape of the unit grid frame for the ceiling base material, various ceiling accessories such as joint boards, power distribution rails, partitions, etc. can be detachably and efficiently retrofitted. To do so. [Structure] At least three steps of locking grooves (13) and (15) are formed on a vertical surface (11) of a unit grid frame (10) which is made of aluminum extruded material having a substantially L-shaped cross section and integrated into a square frame.
(16) are arranged in a row in an outwardly opened state, and a joint plate (74) is attached to a locking groove (15) at a middle position thereof via an adapter metal fitting (75) that can be inserted / removed from below, and thereafter, a joint at a lower position Power distribution rail (76) and partition (77) via adapter metal fittings (80) (82) (88) (89) that can also be inserted into and removed from the groove (16) from below.
A ceiling accessory such as a screen (78) was attached.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an attachment device for incidental equipment on a system ceiling.

[0002]

2. Description of the Related Art In a conventional system ceiling, a large number of ceiling bars suspended from a building frame are assembled in a lattice state, and ceiling panels are installed between adjacent ones of the ceiling bars.

Partitions for partitioning, smoke-proof screens, and the like as the equipment attached to the ceiling are attached to the necessary portions of the ceiling bar.

[0004]

However, it is difficult to change the mounting position of the above-mentioned equipment attached to the ceiling or to return to the current state, which requires a considerable amount of time, heavy labor, and cost. , At that time, the ceiling surface was scratched,
There is also a problem of impairing the makeup effect.

[0005]

SUMMARY OF THE INVENTION The present invention is intended to solve such a problem, and for this purpose, a large number of unit grid frames, which are frame-integrated into a square frame, from an aluminum extruded material having a substantially L-shaped cross section. Are placed side by side in a grid state that maintains a certain mutual gap, and are suspended from the ceiling slab at the intersections of the grid states, and the ceiling panel is detachably locked into the frame of the unit grid frame and locked. And

[0006] At least three steps of locking grooves are arranged in a row on the vertical surface of the unit grid frame in the form of horizontal rails that open toward the above-mentioned mutual gap, and are lowered to the locking groove at the middle position. From the above, insert a short adapter metal fitting for the joint plate so that it can be inserted and removed freely, and attach a long joint plate to the adapter metal fitting, and then attach it to the locking groove at the lower stage from below as well as the distribution rail for lighting fixtures and partition partition. , Smoke-proof screen, and other ceiling accessory equipment with a short adapter fitting that can be freely inserted and removed and locked, and long power distribution rails, partitions, screens, and other ceiling accessory equipment have been attached to the adapter fitting. It is characterized by.

[0007]

According to the above-mentioned structure of the present invention, by utilizing the adjacent mutual gaps of the unit grid frames and the engaging grooves opening toward the unit gaps, after the system ceiling is constructed by suspending the unit grid frames. A long joint plate can be easily attached from below and without any hindrance, and the above-mentioned gap can be maintained in a beautifully-applied makeup state.

Moreover, since the joint plate is attached to the engaging groove at the middle position opened on the upright surface of the unit grid frame through the short adapter fitting, it is also downwardly moved to the engaging groove at the lower position thereafter. From here, you can insert and lock a dedicated short adapter metal fitting to the equipment attached to the ceiling, and you can also attach distribution rails for lighting equipment, partitions for partitioning, smoke prevention screens, and other equipment attached to the ceiling to the adapter hardware. It is possible to do so, and it is not necessary to remove the joint plate that has been previously attached at the time of mounting, so that the workability at the site is excellent and there is no fear of damaging the ceiling surface.

The joint fittings for the joint plate and the dedicated fittings for the equipment attached to the ceiling are both inserted and locked in the locking groove opened on the upright surface of the unit grid frame so that they can be inserted and removed from below. Therefore, it is possible to freely change the mounting position of the above-mentioned equipment attached to the ceiling and further return to the original state by the insertion / removal operation, and the flexibility is remarkably excellent.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The details of the present invention will be described below with reference to the drawings. In FIGS. 1 to 35 showing the first embodiment of the present invention, (10) is a recyclable aluminum extruded material having a certain size. (For example, 1,600 x 1,600 mm or 1,8
(00 × 1,800 mm) is a unit grid frame that is frame-integrated in a square frame state, and its extruded cross-sectional shape is an upright surface (11) as shown in FIGS. 4 and 27,
Decorative flange piece (12) protruding horizontally inward from its lower end
It is almost L-shaped intersecting with.

Moreover, the unit grid frame (1
The vertical surface (11) of (0) has at least three first to fourth locking grooves (13) (14) (15) (1) that open outward.
6) are arranged in the form of horizontal rails having different installation heights, and the locking grooves (13) to (16) in several stages are selectively used to selectively install the unit grid frame (10). It is possible to install a joint plate, which will be described later, a distribution rail for lighting equipment, a partition for partitions, a screen for smoke prevention, and a sprinkler for fire prevention, etc., to the adjacent mutual gaps (G). .

(17) is the unit grid frame (1
In the frame of 0), there is a divided cone frame interposed in a horizontal partition state parallel to one side of the square, which is also made of aluminum extruded material, and as is clear from FIGS. The reflector plate of the lamp unit, which will be described later, is formed by arranging them in parallel with each other so that not only the lower surface but also the upper surface is opened in a substantially conical section.

(18) is the divided cone frame (1
7) A pair of screw receiving dowels projecting outward from the upper end portion and the mid-height position, all of which extend along the longitudinal direction of the split cone frame (17). Similarly, (19) is a pair of positioning fins that project outwardly and horizontally from the vicinity of the upper end of the split cone frame (17), and position and hold stopper fittings, which will be described later.

Further, (20) is a pair of decorative brim pieces that also project outwardly and horizontally from the lower end of the divided cone frame (17), and the unit grid frame (1).
It corresponds to the decorative flange piece (12) of (0) and receives the ceiling panel (21) from below.

Further, (22) is a total of four stopper metal fittings for receiving a mounting plate of a lamp unit which will be described later, all of which are made of a metal plate and divided cone frame (1).
Short fixed length (L1) crowned along the upper edge of 7)
Is substantially U-shaped in cross section, and as a pair, it is placed on both ends of the split cone frame (17) in the longitudinal direction.

However, the upper surface of the split cone frame (17) is still open even when the stopper metal member (22) is in a covered state. (23) is a fixing screw for each stopper metal (22), and (24) is each stopper metal (2).
The first locking piece bends downward from 2) into the divided cone frame (17) and locks with an elastic claw of the lamp unit described later. (25) is also a second locking piece bent upward from each stopper fitting (22),
Holds the longitudinal end of the lamp unit mounting plate.

Then, the stopper metal (2
The split cone frame (17) attached with 2) has a pair of cover plates (2) that cover both ends in the longitudinal direction.
The unit grid frame (10) is fixed and laterally mounted via 6).

That is, since a pair of mounting seats (27) juxtaposed from the lower end portion of each cover plate (26) project, these are mounted on the unit grid frame (1).
It is joined to the vertical surface (11) of (0) from the inside and fixed by a plurality of screws (28), and before and after this,
The cover plate (26) and the divided cone frame (17) are assembled and integrated by another plurality of screws (29). The screw (29) is screwed into the screw receiving dowel (18).

In the state in which the divided cone frame (17) is assembled into the frame of the unit grid frame (10) and unitized, both of the decorative flange pieces (12) (20) are flush with each other. Of course, the first to fourth locking grooves (13) to (16) opening in the upright surface (11) of the unit grid frame (10) have the cover plate with respect to the upright surface (11). It is not blocked by the mounting screw (28) of (26).

(30) is the divided cone frame (1
7) A lamp unit which is inserted and fixed from above into a longitudinal intermediate portion of the split cone frame (1) as is apparent from FIGS.
7) A mounting plate (31) having a fixed length (L2) for covering the upper surface of the opening, and a cover case (33) of a ballast (32) vertically attached to an intermediate portion of the mounting plate (31). ) And the holder (3) for the lamp socket (34)
5) and elastic claws (36) that are hung in pairs from both ends in the longitudinal direction of the mounting plate (31).

Moreover, the mounting plate (31) of the lamp unit (30) has a wide cross-section which partially covers the stopper metal fittings (22) attached to the split cone frame (17) from above. It is formed into an inverted U-shape. The pair of elastic claws (36) hanging from the mounting plate (31) in a parallel state are outwardly bent and bent as symmetrical wedge-shaped toes.

Therefore, as suggested by comparison between FIG. 5 and FIGS. 6 and 7, in order to cover the mounting plate (31) of the lamp unit (30) on the split cone frame (17), a pair of parallel plates is installed. Insert each elastic claw (36) into the top opening of the split cone frame (17),
The tip of the elastic nail (36) has a split cone frame (1
7) It comes into contact with the first locking piece (24) of the stopper metal fitting (22) and is compressed inward by this, and when it reaches the insertion end point, it is restored and expanded outward, and 1 The locking piece (24) is locked without fear of separation or rattling.

As a result, the divided cone frame (1
7) and the mounting plate (31) for the lamp unit (30)
Finished as a luminaire using and as a reflector, a fluorescent lamp (37) can be detachably and replaceably attached to the lamp socket (34) from below, and from below the fluorescent lamp (37) in FIG. It is also possible to attach such various louvers and the cover (38) so as to be detachable and replaceable.

The pair of elastic claws (36) are forcibly pressed and contracted to release the locked state with the first locking piece (24), whereby the lamp unit (30). It is also possible to pull out from the split cone frame (17) upward. In the illustrated embodiment, the fluorescent lamps (37) are arranged in parallel in a vertical position as a two-light type, but the one-light type may of course be adopted.

In the mounted state of the lamp unit (30) to the divided cone frame (17), an intermediate portion in the longitudinal direction of the divided cone frame (17) is inserted into the mounting plate (31) of the lamp unit (30). ), The both ends of the split cone frame (17) in the longitudinal direction are left in the open state on the upper surface thereof.

Reference numeral (39) is a partition plate inserted inside the divided cone frame (17) as a pair facing both ends in the longitudinal direction of the fluorescent lamp (37), as suggested from FIG. While the L-shaped standing surface (40) on one side functions as a reflector, the horizontal surface (41) on the other side from the standing surface (40) to the cover plate (26) forms a split cone frame (17). ) The lower surface of the opening is covered with a lid.

That is, the partition plate (3) is provided at both ends of the split cone frame (17) in the longitudinal direction.
9) A multi-functional space (S) defined by the space is interposed, and the upper surface of the multi-functional space (S) has the stopper metal fitting (22).
Is open for a certain length (L1). Therefore, the pair of multifunctional spaces (S) can be effectively used to install the emergency lights (42), spotlights, smoke detectors, speakers, TV cameras, and other additional ceiling devices here.

FIG. 10 shows an example of the additional equipment for the ceiling.
Although the emergency light (42) is attached, as is apparent from the figure, the horizontal plane (4) of the partition plate (39) is shown.
1) is made as an adapter plate (41a) that is independent of the upright surface (40), and the emergency light (4)
Assemble various additional ceiling equipment such as 2) into a unit.

Then, the adapter plate (41
a) is used interchangeably with the horizontal plane (41) of the partition plate (39) and attached to the lower surface of the opening of the split cone frame (17) in a covered state to add various ceilings to the unit grid frame (10). The function of the device can also be given. The electric wiring for the ceiling additional equipment can be performed without trouble through the upper opening of the split cone frame (17).

Next, reference numeral (43) is a corner fitting for suspending the unit grid frame (10), which is clearly shown in FIGS. A pair of right-angled mounting pieces (44) corresponding to the corners and a nose piece (45) projecting outward from the intersection have a general Y shape, and both mounting pieces (44). ) Is attached and fixed to the corner portion of the unit grid frame (10) from the outside.

At this time, the mounting piece (44) of the corner mounting member (43) is fixed to the upper half of the upright surface (11) of the unit grid frame (10), and the upright surface (11). Third and fourth locking grooves (15) opening in the lower half of
It does not block (16) at all. (46)
Is a locking notch provided in the lower end of the nose piece (45) of the corner mounting member (43), and is inserted and locked from above into a receiving washer of a hanging member.

A large number of unit grid frames (10) integrated with the above-mentioned corner fittings (43) are arranged in a lattice as shown in FIGS. 2 and 3, and a total of four adjacent corners. Aiming at the intersection of the cross-shaped gaps (G) formed by the corners, it is fastened and integrated directly and detachably to the lower end of the hanging metal fitting (48) correspondingly hanging from the ceiling slab (47) of the building. By being
Shapes the overall system ceiling. The unit grid frames (10) are pre-modulated so that they can be used in combination.

That is, the suspension metal fitting (48) for suspending the unit grid frame (10) is composed of a pair of upper and lower suspension bolts (4).
9) A fastening state with an anchor nut (52), which is composed of (50) and a turn bag (51) interposed between them, and whose upper end of the upper hanging bolt (49) is embedded in the ceiling slab (47). It is in. Reference numeral (53) is a fixed nut of the turn bag (51).

On the other hand, for the lower suspension bolt (50) of the suspension metal fitting (48), the unit grid frame (1
0) the washer (54) of the corner fitting (43) and its adjacent unit grid frame (1).
The cross-shaped spacer plate (55) that keeps the cross-shaped gap (G) of 0) at a constant opening width, and the press washer (56) and the fixed nut (57) that press down the spacer plate (55) from above are sequentially formed. It has been threaded.

Then, the unit grid frame (1
When constructing a system ceiling from a large number of 0), a nose piece (45) of each corner mounting bracket (43) protruding from a total of four adjacent unit grid frames (10) is attached to a hanging bracket. The nose piece (45) is continuously inserted into the receiving washer (54) of (48) from above and locked, and the spacer plate (5
5) and the press washer (56) are placed, and then the fixing nut (57) is tightened.

Then, the unit grid frame (1
The nose piece (45) protruding from the corner mounting metal fitting (43) of (0) is centered around one hanging metal fitting (48) common to the four in total, the receiving washer (54) and the press washer (56). While being clamped and fixed by the cross-shaped spacer plates (55), the cross-shaped gaps (G) of the unit grid frames (10) are secured with a high precision and constant opening width. Become.

Moreover, when the turn bag (51) of the hanging metal fitting (48) is rotated, a total of four unit grid frames (10) move up and down at once.
It is also possible to adjust the installation height of the ceiling surface steplessly.

Before and after the adjustment work, the ceiling panel (2) is inserted into the frame of the unit grid frame (10) from above.
If you drop 1), this is the unit grid frame (1
(0) makeup flange piece (12) and split cone frame (1
It will be received by the decorative brim piece (20) of 7). As described above, the ceiling panel (21) is of a type that can be dropped into the unit grid frame (10). Therefore, if the ceiling panel (21) is removed, it becomes a ceiling inspection port, and the ceiling inspection port is specially installed. No need.

However, as shown in FIGS. 18 and 19, a plurality of small ceiling panels (2) are placed in the frame of the unit grid frame (10).
1a) is dropped into a parallel state, and any one of them is used as an inspection ceiling panel (21b), and a hanging hook (58) is fitted to the inspection ceiling panel (21b).
The stopper panel (59) for receiving the hook (58) may be fitted to the ceiling panel (21a) adjacent to 1b).

11 to 17 show a standard housed state in which one hanging metal fitting (48) is hung directly from the ceiling slab (47). However, depending on the relation with the building, FIG.
As shown in 0, the slide adjusting bar (60) made of channel steel is temporarily fixed to the ceiling slab (47) by the anchor bolts (61) and nuts (62), and indirectly from the adjusting bar (60). It is also possible to hang the hanging fitting (48).

According to this, by sliding the hanging metal fitting (48) along the lengthwise direction of the adjusting bar (60), the hanging position of the hanging metal fitting (48) can be freely adjusted. (63) is an adjustment bar (60) for adjusting the upper end of the upper suspension bolt (49) in the suspension fitting (48).
It is a fixed nut that is fastened to.

Also, due to the relationship with the building,
When it is necessary to arrange the above-mentioned hanging metal fitting (48) below the beam (64), as is clear from the retracted state of FIG. 21, the slide adjusting bar (60a) which extends horizontally below the beam (64). Is supported by a pair of anchor bolts (65) hanging from the ceiling slab (47), and then the above hanging metal fittings (48) are attached to the adjusting bar (60a) via a channel groove steel bracket (66) facing this adjustment bar (60a). ) Only the lower suspension bolt (50) need be fastened and fixed.

Then, by sliding the bracket (66) along the longitudinal direction of the adjusting bar (60a), the hanging position of the hanging metal fitting (48) can also be adjusted. The unit grid frame (10) can be properly hung without interference. (67) is a fixing nut for fastening the upper end of the lower suspension bolt (50) to the adjusting bar (60a) and the bracket (66), and (68) is the adjusting bar (60a) and both anchor bolts (65). It is a fixed nut to be fastened.

In any of the above-mentioned retracted states, the seismic braces (69) can be used to strengthen the connection between the adjacent hanging fittings (48). In that case, FIG.
As suggested by the above, between the upper and lower parts of the fixing nut (57) of the lower hanging bolt (50) forming the hanging metal fitting (48) and the press washer (56), cross-shaped or single-character type for seismic brace is provided. While the fitting (70) is inserted and interposed, the hanging fitting (48) adjacent to the hanging fitting (48) is provided.
For the upper hanging bolt (49) of the corresponding fitting (7
1) Insert and fix it, and then the fittings (70) (7
1) The comrades may be fastened and integrated with a seismic brace (69). As the seismic brace (69), it is desirable to adopt a turnback type as in the above hanging fitting (48).

Further, the unit grid frame (10)
Depends on the relationship with the building, not only the corners of the square but also the ceiling slab (47) on any side.
Sometimes it is hung up.

In this regard, FIG. 23 shows the suspended state of the unit grid frame (10) at the end of the ceiling surface.
As shown in the figure, two unit grid frames (10) and 1
When the overall T-shaped gap (G1) is maintained by adjoining the unit grid frames (10) in a zigzag state, the corner portions of the two unit grid frames (10) are maintained. The Y-shaped corner mounting bracket (43) attached to the above is fixed in parallel to the middle portion of the remaining one unit grip frame (10) so as to correspond to the position of the Y-shaped corner mounting bracket (43). Let Reference numeral (45a) is a nose piece that continuously projects from the attachment piece (44a) of the intermediate attachment fitting (72).

Then, the unit grid frame (1
When suspending 0) to the end of the ceiling surface, suspend the hanging metal fitting (48) at the intersection of the T-shaped gap (G1),
To the receiving washer (54) of the hanging metal fitting (48), the nose piece (45) of the Y-shaped corner fitting (43) and the nose piece (45a) of the F-shaped intermediate fitting (72) are provided in total of four. Is inserted from above and locked, and then a T-shaped spacer plate (55a) and a press washer (56) corresponding to the above-mentioned T-shaped gap (G1) are successively placed from above to fix the nut (57). ) Is tightened.

Further, instead of attaching the Y-shaped corner fittings (43) to the corners of the unit grid frame (10), as shown in FIG. 72) is attached and fixed to one side of the unit grid frame (10), and is juxtaposed to one side of another unit grid frame (10) with a nose piece (45a) protruding from the intermediate fitting (72). A total of 4 pieces including the fixed nose piece (45a) of the H-shaped intermediate mounting bracket (72) are punched from above into the receiving washer (54) of the hanging bracket (48) hanging from the ceiling slab (47). After being inserted and locked, the one-character type spacer plate (55b) is inserted into the parallel one-character gap (G2) where the sides of both unit grid frames (10) are adjacent to each other. Push Washer (56) and the fixed nut (57)
May be fixed by tightening.

That is, for the hanging metal fitting (48) hanging from the ceiling slab (47), the unit grid frame (1
As the metal fittings for attaching 0), two types of the Y-shaped corner fittings (43) and the half-shaped intermediate fittings (72) are prepared in advance. Also, the spacer plates (55) (55a) (55b) may be cross-shaped, T-shaped or single-character depending on the mutual gaps (G) (G1) (G2) between the unit grid frames (10). Three types of molds are prepared in advance.

However, the spacer plate (55) is molded into a cross shape from a hard synthetic resin instead of metal, and a breaking groove (73) shown by a dotted line in FIG. Then, the spacer plate (5) of T-shaped or 1-character type is formed from the above-mentioned cross-shaped type as needed by breaking it off from the thinning-off groove (73).
5a) and (55b) may be used.

As is apparent from the above description, in the construction state as the system ceiling, the mutual gaps (G) between the unit grid frames (10) adjacent to each other are secured in the open state with a constant opening width. So, here is a joint plate (74)
Make up the lid by attaching.

FIG. 27 shows the mounting state of the joint plate (74) to the mutual gap (G). When mounting the joint plate (74), the joint plate (74) is mounted on the vertical surface (11) of the unit grid frame (10). Utilizing the third locking groove (15) that opens in the direction, a short adapter metal fitting (7) for the joint plate is inserted into the groove.
5) is inserted from the bottom and locked, and then the long joint plate (74) is continuously locked and fixed to the adapter fitting (75) from below so that the gap (G) is covered and covered.

For the above-mentioned mutual gap (G), a power distribution rail (76) for lighting equipment, a partition (77) for partitioning, a smoke-proof screen (78), a fire-proof sprinkler (79) and other ceiling accessories. It is also possible to install equipment.

That is, when the distribution rail (76) is attached, the vertical surface (1) of the unit grid frame (10) is
Utilizing the fourth locking groove (16) that opens outward in 1),
As shown in Fig. 28, a short adapter metal fitting (80) for a power distribution rail is inserted into the groove and locked, and a long power distribution rail (76) is screwed into the adapter metal fitting (80) from below. Attach and fix with. In this regard, in FIG. 28, the power distribution rail (76) and its adapter metal fitting (80) are also retrofitted to the joint plate (74) in the preliminarily mounted state, but of course the invention is not limited to this.

FIG. 29 shows the mounting state of the partition (77). When mounting the partition (77), the fourth locking groove which is also open to the upright surface (11) of the unit grid frame (10). Using (16), insert a short inverted hat-type adapter metal fitting (82) for partition into the groove from below and lock it so that the adapter metal fitting (82) continues from below. The top rail (83) of the partition (77) is attached and fixed by the screw (84). Reference numerals (85), (86) and (87) respectively show the skirting board of the partition (77), the gypsum board and the surface board thereof.

In addition, when attaching the screen (78), as is apparent from FIG. 31, the screen is inserted and locked in the fourth locking groove (16) of the unit grid frame (10). The second adapter metal fitting (89) of the hat type, which is opposed to the first adapter metal fitting (88) of the above, is once fixed and fixed by a screw (90) from below, and then the second adapter metal fitting (89) is continued. From below, through another screw (91), the screen (7
The sash frame (92) of 8) is attached and integrated.
(93) shows a gasket fitted in the sash frame (92).

In addition, when the joint plate (74), the power distribution rail (76), the partition (77), the screen (78) and the like are attached to the adjacent mutual gaps (G) of the unit grid frames (10), The mutual gap (G)
The upper surface of the opening may be covered with a top cover (94) as shown in FIGS. In order to attach the top cover (94) in a stable manner, (95) is for the top cover inserted and locked in the first locking groove (13) opening in the upright surface (11) of the unit grid frame (10). The adapter fitting (96) is the fixing screw.

Further, from the mutual gap (G), the joint plate (7
4) is partially removed, and the gap (G) is moved to FIG.
It is also possible to pipe the sprinkler (79) as described above. In the figure, the sprinkler (79) is shown in which one side of the unit grid frame (10) is inserted into the adjacent one character gap (G2), but the crossing ten character gap (of the unit grid frame (10) ( When connecting the sprinkler (79a) to G), use the suspension fitting (4
In order to prevent interference with 8), a special corner fitting (97) as shown in FIGS. 33 and 34 may be used.

That is, as a modified example of the Y-shaped corner mounting member (43), a pair of mounting pieces (98) intersecting at right angles to each other are provided on the vertical surface (11) of the unit grid frame (10). The nose piece (99) and the upright surface (11) are vertically raised and lowered by making the nose piece (99) partly project from the upper end positions of both the mounting pieces (98). Between each other, sprinkler (79
The pipe escape space (O) in a) is opened. still,
It goes without saying that the locking notch (100) is provided at the lower end of the nose piece (99).

Then, the nose piece (9) of the corner fitting (97) attached to the unit grid frame (10) is attached.
9) is inserted into the receiving washer (54) of the hanging metal fitting (48) hanging from the ceiling slab (47) at the cross-shaped gap (G) of the unit grid frame (10) from above and is locked. Subsequently, the cross-shaped spacer plate (55) and the press washer (56) are placed from above, and the fixing nut (57) is fastened and integrated with the hanging metal fitting (48).

By doing so, the sprinkler (79a) can be piped through the pipe escape space (O) without any trouble, and the sprinkler head is placed in the cross-shaped gap (G) intersecting with the unit grid frame (10). It can be exposed. In that case, the spacer plate (55) does not intervene in the adjacent mutual gaps (G) of the unit grid frames (10), but the corner fittings (97) attached to the unit grid frames (10) are moved upward. There is no change in the fact that the pressing surface is flattened.

Furthermore, as suggested in FIG. 35, the gaps (G), (G1) and (G2) are not covered with the joint plate (74) and are left in their partially opened state, and the air conditioning is performed. It is also possible to function as an air inlet (101) and an air outlet (102) communicating with the duct for air.

The unit grid frame (10) of the first embodiment described with reference to FIGS. 1 to 35 has a divided cone frame (17) which functions as a reflector of a lighting device in the frame.
Is a parallel type (A), which is a fixed horizontal suspension parallel to one side of the square, and its unit grid frame (1
By combining a large number of 0), a system ceiling having a design pattern as shown in FIG. 3 is formed. As suggested by the second embodiment of FIG. 36,
By fixing the divided cone frame (17) horizontally in a square frame along the direction of its diagonal line, the cross-type (B) unit grid frame (1
0), which results in a system ceiling with a design pattern different from that of FIG.

Further, the installation of the divided cone frame (17) in the frame of the unit grid frame (10) is omitted, and the square frame is composed only of a blank frame.
A unit grid frame (10) of skeleton type (C) such as 7 is also prepared and prepared, and the unit grid frame (10) of the third embodiment is used for the parallel type (A) and the cross type (B). By using together with the unit grid frame (10), it is possible to finish the system ceiling with various design patterns as shown in FIGS.

Further, FIGS. 40 and 41 show a so-called air type (D) according to the fourth embodiment of the unit grid frame (10).
In this case, inside the square frame in the unit grid frame (10) of the parallel type (A),
A pair of separate frames (103) that are parallel to the divided cone frame (17) are fixed and laterally mounted, so that the separate frame (103) and the divided cone frame (17) are connected to each other to form an air conditioning duct. The air inlet (101a) and the air outlet (10) that communicate with each other
2a). FIG. 40 shows a design pattern of the system ceiling by the combined use of the unit grid frames (10).

The air suction inlet (101a) and the air outlet (102a) for air conditioning are divided cone frames (17) of the cross type (B) unit grid frame (10). By arranging a pair of separate frames (103) in parallel with each other, it is possible to form partitions as in the fourth embodiment. Incidentally, it is of course possible to omit either one of the separate frames (103) and just define either one of the air inlet (101a) and the air outlet (102a).

As shown in the fifth embodiment of FIGS. 42 and 43, the square frame of the unit grid frame (10) of the skeleton type (C) is divided by the cross-shaped partition frame (104). Subdivided, so to speak, a quarter type (E) unit grid frame (10)
You may finish it.

Then, the partition frame (10
4) into the frame subdivided by the ceiling panel (21)
In addition to dropping the lamp, a separate lighting device (105) can also be fitted and used in the depressed state, which further expands the adaptability to changes in indoor applications. In FIG. 43 showing the design pattern of the system ceiling by the combined use of the above-mentioned quarter type (E), the portion painted in black is regarded as the separate luminaire (105).

Since the other constructions of the second to fifth embodiments and the method of attaching them to the hanging fitting (48) are substantially the same as those of the first embodiment, FIGS. Although the detailed description thereof will be omitted only by filling in the corresponding reference numerals to 35, the ceiling panel (2) to be installed by dropping it into the frame of the unit grid frame (10) in any case.
As 1), several kinds of materials such as preformed rock wool sound absorbing board, aluminum punching board, metal plate, plaster board, wire mesh, etc. are prepared and prepared. You can give a makeup effect that changes the interest of the ceiling.

[0070]

As described above, according to the present invention, a large number of unit grid frames (10), which are frame-integrated into a square frame from an aluminum extruded material having a substantially L-shaped cross section, are arranged in a grid that maintains a constant mutual gap (G). The system ceiling is arranged in parallel with each other and suspended from the ceiling slab (47) at the intersection of the lattice states, and the ceiling panel (21) is detachably dropped and locked into the frame of the unit grid frame (10). And

At least three steps of locking grooves (13) (15) are formed on the vertical surface (11) of the unit grid frame (10).
(16) are arranged in a row in the form of a horizontal rail that opens toward the mutual gap (G), and a short adapter metal fitting (75) for a joint plate (75) is inserted into the locking groove (15) at the middle position from below. ) Is inserted and locked freely, and a long joint plate (74) is attached to the adapter metal fitting (75), and then the distribution groove (16) for lighting fixtures and Partition partition (77), smoke screen (78), and short adapter fittings (80) (8) dedicated to other equipment attached to the ceiling.
2) Insert and lock (88) (89) so that it can be freely inserted and removed, and the adapter fittings (80) (82) (88)
Since the long distribution rail (76), partition (77), screen (78), and other equipment attached to the ceiling are attached to (89), it is possible to completely solve the problems of the prior art mentioned at the beginning. There is.

That is, according to the present invention, a large number of unit grid frames (10) which are frame-integrated in a square shape from aluminum extruded material having a substantially L-shaped cross section are combined and arranged in parallel in a lattice state in which a constant mutual gap (G) is maintained. Since the above configuration is adopted for the system ceiling suspended from the ceiling slab (47) at the intersection, the unit grid frame (1
No. 0) upright surface (11) at the middle position locking groove (1
5) From below, a short adapter metal fitting (7
5) Insert and lock it, and the long joint plate (74)
By installing the above-mentioned gap (G), it is possible to quickly apply the cover and makeup after the system ceiling is constructed.

On the other hand, the distribution rail (76) for lighting equipment, partition (77) for partition, screen (78) for smoke prevention, and other equipment attached to the ceiling are related to the lower position of the unit grid frame (10). Since it is designed to be attached from below further through the short adapter fittings (80) (82) (88) (89) for exclusive use that are inserted into the stop groove (16) from below and locked, its attachment. It is not necessary to remove the joint plate (74) on the upper tip, and in that sense, it is possible to easily and efficiently install the above-mentioned ceiling accessory equipment, and obtain a ceiling surface with an excellent makeup effect.

Also, the adapter fitting (7) of the joint plate (74)
5) and adapter fittings (80) (8) for the above-mentioned equipment attached to the ceiling
Since 2), (88) and (89) are short, they are used by inserting them into the engaging grooves (15) and (16) of the unit grid frame (10) from below so that they can be inserted and removed freely.
By replacing this, it is possible to freely change the mounting position of the above-mentioned equipment attached to the ceiling, and even if it is removed, the joint plate (74) still remains, so the cosmetic effect on the ceiling surface is not impeded at all. .

Particularly, if the structure of claim 2 is adopted,
The mutual gap (G) of the unit grid frames (10) can be similarly covered from above by the top cover (95), and the top cover (95) can be removed freely, so that it can be removed from the ceiling. It is also extremely convenient to perform various operations such as air conditioning ducts and electric wiring.

[Brief description of drawings]

FIG. 1 is a perspective view showing a first embodiment of a unit grid frame according to the present invention.

FIG. 2 is a schematic perspective view of a construction state in which four unit grid frames are combined and arranged in parallel.

FIG. 3 is a schematic diagram showing a design pattern of a ceiling surface by using a combination of unit grid frames.

FIG. 4 is an enlarged sectional view taken along line 4-4 in FIG.

FIG. 5 is a sectional view showing a separated cone frame and a lamp unit in a separated state.

FIG. 6 is a sectional view showing how the lamp unit is attached to the split cone frame.

7 is a sectional view taken along line 7-7 of FIG.

8 is a sectional view taken along line 8-8 of FIG.

FIG. 9 is a schematic perspective view showing various louvers and lamp covers used interchangeably with the lamp unit.

FIG. 10 is a cross-sectional view showing how the emergency light is attached to the split cone frame.

FIG. 11 is an exploded perspective view showing a method of attaching the unit grid frame to the hanging metal fitting.

FIG. 12 is a perspective view of the same mounting state.

FIG. 13 is a sectional view showing a mounting state of the same.

FIG. 14 is an enlarged sectional view taken along line 14-14 of FIG.

FIG. 15 is a sectional view taken along line 15-15 of FIG.

16 is a sectional view taken along line 16-16 of FIG.

FIG. 17 is a sectional view taken along line 17-17 of FIG. 15;

FIG. 18 is a plan view of a unit grid frame to which a ceiling inspection panel is attached.

19 is a partially enlarged cross-sectional view taken along the line 19-19 in FIG.

20 is a cross-sectional view showing another suspended state of the unit grid frame corresponding to FIG.

FIG. 21 is a sectional view showing still another suspended state of the unit grid frame.

FIG. 22 is a cross-sectional view of a suspended state using seismic brace.

23 is a cross-sectional view showing another mounting state of the unit grid frame corresponding to FIG.

FIG. 24 is a sectional view showing still another mounting state of the unit grid frame.

FIG. 25 is a perspective view showing a cross-shaped spacer plate.

26 is a sectional view taken along line 26-26 of FIG.

FIG. 27 is a cross-sectional view showing how the joint plate is attached to the mutual gaps of the unit grid frames.

FIG. 28 is a cross-sectional view showing a mounting state of the power distribution rail for a lighting fixture.

FIG. 29 is a sectional view showing a mounting state of the partition for the partition.

FIG. 30 is a perspective view showing a method of inserting the partition adapter fitting.

FIG. 31 is a cross-sectional view showing a mounting state of the smoke prevention screen with respect to the mutual gap of the unit grid frames.

FIG. 32 is a sectional view showing a mounting state of the fire protection sprinkler.

FIG. 33 is a cross-sectional view showing another attachment state of the fire protection sprinkler.

FIG. 34 is a sectional view taken along line 34-34 of FIG.

FIG. 35 is a cross-sectional view showing a state in which the mutual gaps of the unit grid frames are opened as air-conditioning air inlets or air outlets.

36 is a schematic diagram showing a second embodiment of the unit grid frame as a combined use state corresponding to FIG. 3. FIG.

FIG. 37 is a perspective view showing a third embodiment of the unit grid frame.

FIG. 38 is a schematic view of a state in which the unit grid frames of the first and third embodiments are used together.

FIG. 39 is a schematic view showing a state in which the second and third embodiments of the unit grid frame are also used in the same manner.

FIG. 40 is a schematic view showing a state in which the fourth embodiment of the unit grid frame is used in combination.

41 is a partial enlarged cross-sectional view taken along the line 41-41 of FIG. 40.

FIG. 42 is a perspective view showing a fifth embodiment of the unit grid frame.

FIG. 43 is a schematic view showing a state in which the unit grid frames of the fifth embodiment are also used in combination.

[Explanation of symbols]

 (10) · Unit grid frame (11) · Vertical surface (15) · Locking groove (13) · Locking groove (16) · Locking groove (21) · Ceiling panel (47) · Ceiling slab (74) ) ・ Joint board (75) ・ Adapter bracket (76) ・ Distribution rail for lighting equipment (77) ・ Partition for partition (78) ・ Screen for smoke prevention (80) ・ Adapter bracket (82) ・ Adapter bracket (88)・ Adapter bracket (89) ・ Adapter bracket (95) ・ Top cover (96) ・ Adapter bracket (G) ・ Mutual gap

─────────────────────────────────────────────────── ───

[Procedure amendment]

[Submission date] July 20, 1995

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] FIG.

[Correction method] Change

[Correction contents]

FIG. 14

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Norio Nakamura 2-9-9 Iwamoto-cho, Chiyoda-ku, Tokyo Incorporated company Isokai (72) Inventor Tokoyuki 2-43-15 Tomigaya, Shibuya-ku, Tokyo Ushiosupekkusu Inc. (72) Inventor Hitoshi Sato 1-6-11 Awaji-cho, Chuo-ku, Osaka City, Osaka Itoki Co., Ltd. (72) Takenori Ishii 2-2-2 Otemachi, Chiyoda-ku, Tokyo Urbannet Otemachi Building NT T Urban Development Co., Ltd. (72) Inventor Ryoichi Hatano 2-2 Otemachi 2-chome, Chiyoda-ku, Tokyo Urban Tate Urban Development Co., Ltd. Within

Claims (2)

[Claims] 1. A large number of unit grid frames (10) which are frame-integrated into a square from an aluminum extruded material having a substantially L-shaped cross section are arranged in parallel in a lattice state in which a constant mutual gap (G) is maintained, and the lattice state is maintained. A system ceiling in which the ceiling panel (21) is removably dropped and locked in the frame of the unit grid frame (10) while being suspended from the ceiling slab (47) at the intersection point of the unit grid. To the vertical surface (11) of the frame (10), at least three steps of locking grooves (13) (15) (16),
A row of horizontal rails that open toward the mutual gap (G) are arranged in a row, and a short adapter fitting (75) for joint plate can be freely inserted into and removed from the locking groove (15) at the middle position from below. Insert and lock, and attach the long joint plate (74) to the adapter fitting (75), and then from the bottom to the locking groove (16) in the lower position, also from the bottom, the distribution rail (76) for lighting fixtures and partition partition. (77), smoke-proof screen (78), and short adapter fittings (80) (8) dedicated to other equipment attached to the ceiling.
2) Insert and lock (88) (89) so that it can be freely inserted and removed, and the adapter fittings (80) (82) (88)
(89) A long power distribution rail (76), a partition (77), a screen (78), and other equipment attached to the ceiling are attached to the installation equipment of the equipment attached to the system ceiling. 2. A short adapter metal fitting (96) for a top cover is inserted from above into a locking groove (13) at an upper position opened on an upright surface (11) of a unit grid frame (10) so as to be freely inserted and removed. The mutual gap (G) of the unit grid frames (10) is covered from above by locking and attaching a long top cover (95) to the adapter fitting (96).
Attachment device for ancillary equipment on the system ceiling described.