JP3199620B2 - Mounting structure for electrical components on the ceiling - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting electrical components on a ceiling for mounting electrical components such as speakers, guide lights, and emergency lights of emergency broadcast facilities and general in-building broadcast facilities.

[0002]

2. Description of the Related Art Conventionally, as an example of the above-mentioned electrical equipment, a case where a speaker of a general broadcasting facility is mounted will be described. A hole for projecting a cone paper-side tip of a speaker downward from the ceiling material is formed in a ceiling material. The rear end of the speaker on the magnet side is fixed to the back surface of the ceiling material with a screw or the like via a bracket or the like in a state in which the front end of the speaker on the cone paper side is inserted into the formed hole.

In the above mounting method, since the speaker is directly attached to and supported by the ceiling material, the ceiling material itself must be strong enough to support a heavy speaker having a magnet. It had to be constructed and the cost of the ceiling material itself was high.
In addition, when the ceiling material is damaged for some reason or deteriorated by long-term use, if you want to replace part or all of the ceiling material, you must remove the corresponding speaker attached to the ceiling material. not only,
The removed speaker had to be re-attached to the replaced ceiling material, and the replacement of the ceiling material was troublesome and troublesome. To avoid the inconvenience, it is conceivable to support the speaker with another support member, but in this case, a special support member is required, which is not only disadvantageous in terms of cost, but also allows the support member to be moved from behind the ceiling. This requires installation work for installation under the ceiling, and as a result, much time is required for installation work of the speaker. In addition, guide lights,
Or, similarly, when installing electrical components such as emergency lights,
Not only does it require special support members that can support the weight of these electrical components, but it also requires installation work to install these support members from above the ceiling to below the ceiling, leaving room for improvement. .

[0004] In addition, the speaker of the above-mentioned general broadcasting equipment is often configured also as the speaker of the emergency broadcasting equipment,
In this case, there is an installation standard that must be installed at a rate of one piece within a radius of 10 m. Therefore, it is necessary to calculate and mark the speaker installation location on the ceiling plan to be installed. Not only that, it is necessary to form the hole for mounting the speaker on the ceiling by measuring and confirming the actual location of the speaker at the site based on the design drawing, and it takes a lot of time to mount the speaker. It was annoying.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned situation, the present invention is intended to solve the problem not only in that the electric component can be easily and quickly mounted by mounting it on an existing member. In particular, in the case where the electrical component is a speaker, it is possible to easily and quickly replace the ceiling material while suppressing an increase in the cost of the ceiling material.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention is connected to a water supply side and suspended from a floor slab.
A first pipe supported to be lowered , connected to the sprinkler head, connected to the first pipe, and mounted on a ceiling surface.
Provided with a second pipe Toka Ranaru sprinkler piping is plumbed to the luminaires to be set, the through holes formed the electrical component to the luminaire installed in a room second
Since it is attached to the pipe, the second pipe can withstand the weight of heavy electrical components.

[0007] the luminaire, the speaker of the hole for protruding at least a portion of the cone paper side tip of the speaker of the emergency broadcast facility as the electrical components downward from the luminaire is required A plurality of the lighting fixtures are formed along one direction at an arrangement pitch, and the holes are present in the other direction that intersects the direction in which the holes are formed, and the distance between the holes is the same as that of the lighting device. The lighting fixture is arranged so as to be within a range determined by a speaker installation standard.

A plurality of mounting portions are formed in the lighting fixture along a horizontal direction for mounting a portion of the second pipe on the sprinkler head side in a penetrating state, and the mounting portion is also used as the hole. .

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in further detail with reference to the embodiments shown in the accompanying drawings. FIG. 1 shows a system ceiling structure, which is composed of a plurality of metal wires via suspension bolts 2 and hangers 3 on a C-shaped channel 1 suspended from an upper floor slab (not shown). A part of a large number of T-bars 4 are suspended and supported in a direction parallel to each other at a predetermined interval in one direction of the ceiling surface, and the remaining T-bars 4 are moved in the other direction of the ceiling surface. In a state where the T-bars 4 are suspended and supported in a direction parallel to each other at predetermined intervals in a state of intersecting with the T-bars 4 that are suspended and supported in the direction, glass wool sound absorption is provided between adjacent T-bars 4 of the T-bars 4. A board, a rock wool decorative sound-absorbing plate, a rock wool sound-absorbing plate or a composite plate, and a ceiling plate 5 and a lighting fixture 6 composed of decorative welded wire mesh, louvers, other ceiling materials, and the like are provided.

A first pipe 9a connected to the water supply side from the floor slab to a suspension bolt 7 via a fixture 8 is suspended and supported, and sprinkler heads 10a, 10
a is connected to the second pipe 9b shown in FIGS.
As shown in FIG. 1, a pair of supports arranged on the upper surface of the shading portion 6b of the lighting fixture 6 in a posture positioned above the lighting fixture 6 and aligned in a straight line in the longitudinal direction of the lighting fixture 6 The first pipe 9a is fixed to the brackets 11, 11 via a fixture 12, and the second pipe 9b is connected to the first pipe 9a.
The first pipe 9a side end is connected by a connection pipe 9c,
This constitutes a sprinkler pipe 9 of the fire extinguishing equipment.

The second pipe 9b will be described in detail. The second pipe 9b has a first branch pipe 14a having one end connected to a sprinkler head 10a through an L-shaped joint 13 in a horizontal direction. A second branch pipe 14b connected to the other end of the first branch pipe 14a in the same horizontal direction via a T-shaped joint 15;
5 Sprinkler head 10a at the downward joint
And the first pipe 9 of the second branch pipe 14b.
The end on the a side is connected by the connection pipe 9c as described above.

As described above, the pair of second pipes 9 are arranged above the lighting fixture 6 in a state of being aligned in the longitudinal direction thereof.
By setting the dimensions of each second pipe 9b so that b and 9b can be arranged, it is possible to make the second pipe 9b advantageous in terms of handling during assembling work, transportation and the like. The second pipe 9b
Is not limited to this.

The sprinkler head 10a has a heat-sensitive portion, and the upper end of the heat-sensitive portion is fitted to the vertical pipe portion 10b, and the upper end portion of the vertical pipe portion 10b is connected to the second pipe 9b.
And these sprinkler heads 10a
And the vertical tube portion 10b and the sprinkler head portion 1
Called 0.

The connection pipe 9c is formed of a flexible joint. Even if the connection distance between the first pipe 9a and the second pipe 9b is slightly changed, the connection pipe 9c is connected to the flexible joint 9a.
In addition, even if the first pipe 9a and the second pipe 9b swing differently when an earthquake occurs, for example, the flexible joint 9c absorbs the same, and the first pipe 9a and the second pipe 9b are damaged. There is no such thing. In addition, besides using a flexible joint, the connection pipe 9c may be made of a rubber material having excellent elastic deformation, a non-combustible stretchable cloth, or a deformable synthetic resin material. , Can be freely changed as long as it can be displaced.

The lighting fixture 6 will be described in detail with reference to FIGS. 2, 11 and 12.
Of the second pipe 9b on the sprinkler head 10a side portion of the second pipe 9b. 6 are formed on the shank 6b having a dimension of 2520 mm at a mounting pitch R of 420 mm along the longitudinal direction thereof, and are formed on the lighting fixture 6 arranged in a straight line. Mounting pitch 378 required by the installation reference of sprinkler head 10a among many mounting portions 6c
The sprinkler head 10a-side portion of the second pipe 9b is attached to the attachment portion 6c corresponding to 0 mm, that is, the attachment portion 6c located ninth in the forming direction of the attachment portion 6c in a penetrating state. Then, the mounting portion 6c should be present in a direction orthogonal to the longitudinal direction of the bulk portion 6b, and the distance between the mounting portions 6c should be within the range determined by the installation standard of the sprinkler head 10a. The arrangement pitch r between the lighting fixtures 6 is set to 2500 mm. The arrangement pitch r between the lighting fixtures 6 is the vertical and horizontal dimensions of the room, that is, the dimension X between the columns 28, 28, the height of the ceiling,
It is determined in consideration of the indoor standard illuminance by the lighting fixture 6 and the installation reference distance of the sprinkler head 10a. For example, when the dimension X between pillars is 7.5 m square, the arrangement pitch r between the lighting fixtures 6 is determined. The length is 2.5 m, which can be equally divided by an integer (3). The mounting pitch R of the mounting portion 6c formed on the lighting fixture 6 is 420 mm, and the dimension X between the columns is 7.5 m.
The maximum arrangement pitch r of the arrangement pitch r of the lighting fixture 6 in the case of 9 m square so as to be applicable to any dimension of 9 m square, that is, the arrangement pitch r = 3 in the case of 9 m square.
m, the mounting pitch R of the mounting portion 6c in the direction orthogonal to the mounting portion 6c of the lighting fixture 6 is
It is determined by a common divisor of the installation reference distance of 0a and a dimension that can be equally divided in the longitudinal direction of the lighting fixture 6. The pitch Y for attaching the sprinkler head 10a in the longitudinal direction of the shank 6b was set to 3780 mm, and the pitch r for disposing the lighting fixture 6 was set to 2500 mm. However, the distance Z between the sprinkler heads 10a was set to a distance exceeding 4600 mm. If not, any distance may be set. The distance Z between the sprinkler heads 10a of 4600 mm indicates a case where the structure of the building is a fire-resistant structure. If the structure of the building is a non-fire-resistant structure, the distance Z between the sprinkler heads 10a is set to 4200 mm. I have. By the way, when the dimension X between the columns is 8 m square, the arrangement pitch r between the lighting fixtures 6 is set to 2667 mm, and the sprinkler head 10a mounting pitch Y in the longitudinal direction of the bulk portion 6b is set to 3360 mm. When the dimension X between the squares is 8.5 m square, the arrangement pitch r between the lighting fixtures 6 is 2833 mm.
And the pitch Y of the sprinkler head 10a in the longitudinal direction of the bulk portion 6b is set to 3360 mm,
When the dimension X between the columns is 9 m square, the arrangement pitch r between the lighting fixtures 6 is 3000 mm, and the bulk portion 6 b
Mounting pitch Y in the longitudinal direction of the sprinkler head 10a
Is set to 3360 mm.

As shown in FIG. 13, the mounting portion 6c is provided in a room such as a lamp-type speaker 18 of a general broadcasting facility, a guide light 19 for guiding to an emergency exit, an emergency light 16, a fire detector 20, and the like. It is used as a mounting portion for the electrical components to be installed, and the mounting portion for the electrical components can be mounted without special provision. Note that 2 shown in FIG.
7 is an outlet connected to the duct of the air conditioner,
28 is a pillar.

In the case where the speakers 18 are installed at a required mounting interval as a speaker of an emergency broadcast facility, as shown in FIG. 2 to FIG. The mounting portion 6c is also configured as a hole for projecting the portion downward from the lighting fixture 6. By the way, since the speakers 18 of the emergency broadcast equipment must be installed in a range of 10 m within a radius of 10 m, the distance W between the diagonally located speakers 18 should not exceed 20 m. Of the large number of mounting portions 6c formed at the mounting pitch R of 420 mm, the mounting portion 6c corresponding to the installation pitch required by the installation reference of the speaker 18, for example, the 37th mounting portion in the forming direction of the mounting portion 6c. A part of the front end portion of the speaker 18 on the cone paper side is projected downward at the portion 6c (speaker mounting pitch S = 15540 mm at this time), so that the speaker 1
The position 8 is set. And the speaker 1
A metal support plate 29 attached to the base end of the magnet 8 is attached to the second pipe 9b through a pair of steel plate clips 30, 30, so that the speaker 18 is fixed. I have. The speaker 18 is attached in the direction in which the lighting fixtures 6 are installed.
Is 2500 mm, a part of the tip of the loudspeaker 18 on the cone paper side is protruded downward from the attachment portion 6c located in the 37th direction in which the attachment portion 6c is formed in the same manner as described above. The distance W between 18, 18 is 19.9 m, and one speaker 18 is necessarily installed within a radius of 10 m.

The speaker 18 will be described in detail. A speaker body 33 is screwed into a first case 31 via a bracket 32, and an opening 31A of the first case 31 is formed.
A cloth net 34 is inserted into the opening 31A from the inside, and a transformer 35 and a variable capacitor 36 are inserted therein.
A second pair of screws 38, 3 for attaching the second case 37 provided with the above-described components to the first case 31 and fixing the first case 31 and the second case 37 in a fitted state.
8 is inserted from above through the holes 29A, 29A formed in the support plate 29, the second case 37 is passed through the through holes 37A, 37A formed in the second case 37, and the tips of the screws 38, 38 are inserted into the bracket 32. By screwing, the first case 31 and the second case 37 are fixed to the support plate 29. The clip 3 is inserted into a pair of locked holes 29B, 29B formed in the support plate 29.
The support plates 29 are locked and fixed to the clips 30, 30 by inserting locking portions 30A, 30A provided at the lower end portions of 0, 30. After the upper end portions 30a, 30a of the clips 30 are respectively cut out, they are bent at 90 degrees to form the engaging pieces 30C, 30C so as to protrude therefrom. After being hung so as to be sandwiched in the second pipe 9b, the upper end portions are formed. The clip 30 can be locked and fixed to the second pipe 9b by inserting the other locking piece 30C into one of the cutouts 30b formed in the cutouts 30a, 30a.

[0019]

[Table 1]

Table 1 and FIG. 21 show in detail the relationship between the arrangement pitch r between the lighting fixtures 6, the mounting pitch Y of the sprinkler head 10a, and the dimension X between the columns 28, 28. Z = 4600 mm in Table 1 indicates the distance between the sprinkler heads 10a when the structure of the building is a fire-resistant structure, as described above, and Z = 4200 mm in Table 1 indicates that the structure of the building is non-fire-resistant as described above. The distance between the sprinkler heads 10a in the case of the structure is shown. When the dimension X between the columns 28, 28 is within the range of 7500 mm to 9000 mm shown in the table, as shown in FIG. A value obtained by dividing the arrangement pitch r between the six lighting fixtures 6 by the number 3 of the lighting fixtures 6 provided,
In the case where the dimension X between the lighting fixtures 8 and 28 is 11000 mm shown in the table, the arrangement pitch r between the lighting fixtures 6 is determined by the arrangement pitch of the lighting fixtures 6 because four rows of the lighting fixtures 6 are arranged between the columns 28 and 28. The value is divided by four. Further, when the speaker mounting pitch S in the longitudinal direction of the lighting fixture 6 is set as shown in Table 1, the arrangement pitch r between the lighting fixtures 6 is changed. The distance T between the speakers in the direction to be changed is changed. At this time, as shown in FIG. 22, the value of the square root of the sum of the squared value of the speaker mounting pitch S and the squared value of the distance T between the speakers is the distance between the diagonally positioned speakers. W, and the speaker mounting pitch S and the distance T between the speakers are set so that the distance W does not exceed 20 m. That is, the arrangement pitch r between the lighting fixtures 6 is 2667 m
m, the distance T between the speakers is 13335, for example.
mm (corresponding to the arrangement pitch r of the lighting equipment 6 for five rows), the speaker mounting pitch S is 14700 mm (corresponding to the 35th mounting portion 6c), and the distance W between the speakers is 13335 ² +14700 ² = 39391225. It is a square root, that is, about 19847 mm, so that two types of speaker mounting pitch S, distance T between speakers, and distance W between speakers can be selected for each arrangement pitch r between the lighting fixtures 6. Note that the distance T between the speakers is the value of the arrangement pitch r between the lighting devices 6 × the number of rows of the lighting devices 6, and the speaker mounting pitch S is a mounting pitch R of 420 mm × the number of holes. Minute value. In addition, the value of the distance W in Table 1 is a value obtained by rounding off the decimal point or less.

The emergency light 16 is mounted as shown in FIGS. That is, similarly to the mounting of the speaker 18, the lower end of the main body case P of the emergency light 16 passes through the mounting portion 6c, and the upper plate portions 40A, 40A of the mounting bracket 40 welded to the upper end of the main body case P. In each of the holes formed, as described above, the clips 30, 30
After the locking portions 30A, 30A at the lower end of the clip are inserted and locked, and these clips 30, 30 are held so as to be sandwiched by the second pipe 9b, the clips 30,
The clip 30 is locked and fixed to the second pipe 9b by the locking pieces 30C, 30C at the upper end of the 30. The emergency light 16 includes the main body case P, a cover member N for closing a lower end opening of the main body case P, and a lamp L and a lamp support member M facing the opening of the cover member N. It is configured. 41 shown in the figure is the emergency light 16
The power supply unit is connected to the emergency light 16 via a flexible pipe 42. The power supply unit 41 is mounted and supported on an arm steel 44 attached to the upper surface of the bulk portion 6b, and is horizontally locked and fixed to the second pipe 9b via the clips 30, 30, as described above. . Reference numeral 43 shown in the figure denotes a mounting bracket which is attached to the power supply unit 41 and has a locking portion for locking the lower ends of the clips 30, 30.

The guide light 19 is mounted as shown in FIGS. In this case, the guide light 19 is also used as described above.
The upper end of the support pipe 16A is fixed to the mounting bracket 40 via a pair of upper and lower nuts 39, while the support pipe 16A on the upper surface of the support pipe 16A penetrates the mounting portion 6c.
After that, the emergency light 16 is attached in the same manner. The guide light 19 includes a power supply unit therein, and electricity is supplied to the power supply unit by a cord 42a shown in the figure. K shown in FIGS. 7 and 9 is a cover for closing the hole 6d. Guidance light 19
Is for guiding to an emergency exit, the orientation of each guide light 19 to be installed is not constant and is often different, and the orientation of each guide light 19 is adjusted with respect to the mounting bracket 40. After that, the support pipe 16A is rotated, and thereafter, is fixed to the mounting bracket 40 via the nuts 39, 39 as described above.

As shown in FIG. 18, the mounting portion 6c
The luminaire 6 is composed of arc-shaped thin portions 17 formed in a bulk portion 6b of the luminaire 6, and a hole 6d formed by punching out a required thin portion 17 of the thin portions 17 with a hammer or the like. Sprinkler head 10 of second pipe 9b
The a-side part is attached in a penetrating state. The mounting portion 6c may be constituted by a thin portion 17 having an arc shape, or may be constituted by a hole which is punched and formed in an annular shape such as an arc shape or a square shape. As shown in FIGS. 15 and 20, when the mounting portion 6c is formed from the previously formed hole 6d, a cover or the like for closing the hole is attached to a hole not used as the mounting portion 6c. You may.

FIG. 14 shows the screened glass 2 as a smoke-proof hanging wall.
1 is shown. This means that the aluminum channel 23 for smoke-proof hanging walls is suspended and supported by the reinforcing channel 22 suspended and supported from above, and the meshed glass 21 is held and supported by the aluminum rail 23 for hanging smoke-proof walls. . Numeral 24 shown in the figure is an end plate for closing the end of the small lighting fixture 25 installed on the T-bar 4, and the T-bar 4 for placing and supporting the small lighting fixture 25 is used for the smoke prevention. It is fixed to the vertical wall aluminum rail 23.

Next, the attachment of the sprinkler pipe 9 will be described. After the lighting fixture 6 is placed and supported between the T-bars suspended and supported, or before the lighting fixture 6 is placed and supported, the sprinkler head 10a is attached to the mounting location. The corresponding mounting portion 6c is punched to form holes, and the sprinkler head 10a of the second pipe 9b is penetrated through these holes. At this time, the lower surface of the horizontal pipe part on the first pipe 9a side of the second pipe 9b is supported by the support bracket 11 of the bulk part 6b of the lighting fixture 6.
The sprinkler head 10a comes into contact with the upper surface, and the vertical positioning of the sprinkler head 10a is completed. Thereafter, the second pipe 9
The first branch pipe 14a and the second branch pipe 14b are fixed on the support bracket 11 by the fixture 12. After the fixing of the second pipe 9b, the second pipe 9b is connected to the first pipe 9a previously suspended and supported on the floor slab by the flexible joint 9.
They are connected by c. Then, the sprinkler head 10a is fitted from below the lighting fixture 6. The mounting portion 6c of the broadcast speaker 18, the emergency light 19, the sensor 20, the weak electrical equipment such as an outlet may be punched together when the mounting portion 6c of the sprinkler head 10a is punched.

The lighting fixture 6 is shown in FIGS.
As shown in FIG. 7 and FIG. 19, the lamps 6a, 6a may be arranged on one side in the width direction of the shank 6b, and the sprinkler head 10 may be mounted on the other side in the width direction of the shank 6b. In this case, as shown in FIG.
a may be directly fixed to the umbrella portion 6 b of the lighting fixture 6 via the fixture 12. Further, the lamps 6a, 6
a may be configured to be 110 W × 2 or 40 W × 2, and the wattage and the number of lamps of the lighting fixture 6 can be freely changed. When the lamp is 40W × 2, three mounting portions 6c of the second pipe 9b are formed in the longitudinal direction of the lighting fixture 6, as shown in FIG. still,
In the drawing, a hole 6d in which the mounting portion 6c is formed by punching is shown.

As shown in FIG. 19, the fall prevention metal fittings 26, 6 extend over the hooks 6e, 6e located at both lower ends of the bulkhead 6b and the upper portions of the T-bars 4, 4 located above the same.
26 are provided, and when the T-bars 4 and 4 vibrate up and down due to the occurrence of an earthquake or the like, the hook portions 6 at both upper end portions of the bulk portion 6b are provided.
The f and 6f may not be displaced from the upper end surfaces of the T bars 4 and 4.

[0028]

According to the first aspect of the present invention, the lighting device is formed.
Second pipe of sprinkler provided in the ceiling through the hole
The speaker of emergency broadcast facility (OTC including site broadcast facilities), guide lights, because it is possible to support the electric component disposed in a room of the emergency lamp, etc., it is not necessary to provide a special support member, In addition to being advantageous in terms of cost, the installation work of electrical components can be easily and quickly performed. In particular, when the electrical component is a speaker, the ceiling material and the electrical component can be separated from each other, so that it is not necessary to configure the ceiling material itself to be strong enough to withstand the weight of the speaker, and to replace the ceiling material. In this case, there is no need to remove or install the speaker at all, and it is possible to suppress the increase in the cost of the ceiling material and to install the electrical components on the ceiling, which makes it easy and quick to replace the ceiling material. The structure could be provided. Furthermore, paying attention to the fact that the sprinkler pipes are provided at equal intervals, by making effective use of the sprinkler pipes, it is possible to easily and quickly install speakers of emergency broadcast equipment, in particular, the number of installations within a specified range is determined. Can be achieved. In other words, there is no need to create a design drawing or the like and to collate the speaker installation location on the design drawing with the speaker installation location on the design drawing at all, thus facilitating the speaker installation work accordingly. You can do it.

According to the second aspect of the present invention, it is possible to reliably install the speakers in all necessary locations in both the longitudinal direction and the direction intersecting the longitudinal direction of the luminaire simply by mounting the speakers in accordance with the holes. Thus, the speaker can be easily and quickly mounted.

According to the third aspect, the mounting portion through which the sprinkler head penetrates can be used also as the hole of the speaker, so that it is not necessary to specially form the hole of the speaker.
As a result, the speaker can be easily and quickly mounted.

[Brief description of the drawings]

FIG. 1 is a partially cutaway perspective view showing a sprinkler mounting structure.

FIG. 2 is a longitudinal sectional front view showing a mounting structure of a speaker.

FIG. 3 is a longitudinal sectional side view showing a mounting structure of a speaker.

FIG. 4 is an exploded perspective view showing a locking portion of a support plate of the speaker.

FIG. 5 is an exploded perspective view of a speaker.

FIG. 6 is a longitudinal sectional side view showing an emergency light mounting structure.

FIG. 7 is a longitudinal sectional front view showing a mounting structure of a guide light.

FIG. 8 is a plan view of a mounting structure of the power supply unit.

FIG. 9 is a longitudinal sectional side view showing a mounting structure of a guide light.

FIG. 10 is a partially cutaway side view of the sprinkler mounting structure.

FIG. 11 is a vertical sectional front view of the sprinkler mounting structure.

FIG. 12 is a plan view of a lighting fixture.

FIG. 13 is a schematic diagram showing a structure for mounting electric components on a ceiling.

FIG. 14 is a perspective view showing a mounting structure of an end plate.

FIG. 15 is a plan view showing another embodiment of the lighting fixture.

FIG. 16 is a longitudinal sectional front view showing another embodiment of the lighting fixture.

FIG. 17 is a longitudinal sectional view of a main part showing another embodiment of the sprinkler mounting structure.

FIG. 18 is a longitudinal sectional side view of a mounting portion.

FIG. 19 is a longitudinal sectional front view showing another embodiment of the lighting fixture.

FIG. 20 is a plan view showing another embodiment of the lighting fixture.

FIG. 21 is a schematic diagram showing a positional relationship between a pillar, a sprinkler head, and a lighting fixture.

FIG. 22 is a schematic diagram showing a positional relationship among a pillar, a sprinkler head, a lighting fixture, and a speaker.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 C-type channel 2 Hanging bolt 3 Hanger 4 T-bar 5 Ceiling panel 6 Lighting fixture 6a Lamp 6b Shade section 6c Mounting section 6d Hole 6e Hook section 6f Hook section 7 Hanging bolt 8 Fixture 9 Sprinkler pipe 9a First pipe 9b Second Piping 9c Connecting pipe 10 Sprinkler head 10a Sprinkler head 10b Vertical pipe 11 Support bracket 12 Fixture 13 L-shaped joint 14a First branch pipe 14b Second branch pipe 15 T-type joint 16 Emergency light (electrical equipment) 16A Support pipe 17 Thin section 18 Speaker (Electrical equipment) 19 Guide light (Electrical equipment) 20 Fire detector (Electrical equipment) 21 Glass 22 Reinforcement channel 23 Aluminum rail 24 End plate 25 Lighting fixture 26 Fall prevention fitting 27 Blow-out port 28 Column 29 Support plate 29A hole 29B Locked part 30 Clip 30A Locking part 30B Plate 30C Locking piece 30a Upper end 30b Notch 31 First case 31A Opening 32 Bracket 33 Speaker body 34 Unit 35 Transformer 36 Variable capacitor 37 Second case 37A Through hole 38 Screw 39 Nut 40 Mounting bracket 40A Upper plate 41 Power supply unit 42 Flexible piping 42a Cord 43 Mounting bracket 44 Arm steel K Cover L Lamp M Lamp support member N Cover Member P Body case r Arrangement pitch R Mounting pitch S Speaker mounting pitch T Distance between speakers W Distance between speakers X Dimension between columns Y Sprinkler head mounting pitch Z Distance between sprinkler heads

────────────────────────────────────────────────── ─── Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI H04R 1/02 102 H04R 1/02 102A 27/00 27/00 J // E04B 9/00 E04B 5/52 M (72) Invention Person Tatsuo Nakatani 1-14-9, Imaichi, Asahi-ku, Osaka-shi, Japan, Takeden Corporation (72) Inventor Nao Murayama 1-14-9, Imaichi, Asahi-ku, Osaka-shi, Japan Inside Takeden Corporation (72) Inventor, Suzue 1-14-9, Imaichi, Asahi-ku, Osaka-shi Inside Takeden Co., Ltd. (72) Inventor Tadayoshi Kawakami 4-3-1-10 Koraibashi, Chuo-ku, Osaka-shi Nippon Boseki Co., Ltd. (72) Inventor Kajiya Eiji 1-27-1 Nishihonmachi, Nishi-ku, Osaka-shi Inside Endo Lighting Co., Ltd. (72) Inventor Masahiro Murayama 1-1-1 Takaida Nishi, Higashi-Osaka City Endo Lighting Co., Ltd. (72) Inventor Kuji Ishida Osaka-shi Nishi Ward Mori 1 No.10-10, Inside the Noribori Seisakusho Co., Ltd. (56) References JP-A-5-15612 (JP, A) Fully open Showa 56-137584 (JP, U) Really open 6-58691 (JP, U) Fully open Sho-59-166308 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F16B 1/02 A62C 35/68 F21V 21/04 F21V 33/00 H04R 1/02 E04B 9/00 F16L 1/00

Claims (3)

(57) [Claims] 1. connected to the water supply side and from the floor slab
A first pipe which is suspended supported, is connected to the sprinkler head, and is connected to the first pipe, the ceiling surface
Together with the second providing the pipe Toka Ranaru sprinkler piping is plumbed to the luminaires to be laid, through holes formed the electrical component to the luminaire installed in a room to the ceiling is attached to the second pipe Electrical component mounting structure. To wherein said luminaire, said hole for protruding at least a portion of the cone paper side tip of the speaker of the emergency broadcast facility as the electrical components downward from the luminaire is required A plurality of the luminaires are formed along one direction of the luminaire at an arrangement pitch of the speakers, and the holes are present in the other direction intersecting the direction in which the holes are formed, and the distance between the holes. 2. The structure for mounting electrical components on a ceiling according to claim 1, wherein the lighting fixture is arranged such that the distance is within a range determined by the installation standard of the speaker. 3. A plurality of attachment portions for attaching the sprinkler head side portion of the second pipe in a penetrating state are formed in the lighting fixture along a horizontal direction, and the attachment portion is also configured as the hole. 3. The structure for mounting electrical components on a ceiling according to claim 1 or 2, wherein: