JP2021116624A - Facility plate, and system ceiling - Google Patents

Abstract

To provide a facility plate and a system ceiling capable of suppressing increase of the construction number and improving workability.SOLUTION: A facility plate 3A1 is supported to a ceiling material by a hanging bolt 2. The facility plate 3A1 includes: a plate body 8A1 capable of storing a facility apparatus (a lighting apparatus 7); and a connection portion 10A1 to which the hanging bolt 2 is connected. In an indoor side of the plate body 8A1, a recessed portion 12A storing the lighting apparatus 7 is formed. A protrusion 13A formed at a rear side of the recessed portion 12A in the plate body 8A1 constitutes a support portion 9A1 to which the connection portion 10A1 is attached.SELECTED DRAWING: Figure 3

Description

The present invention relates to equipment plates and system ceilings.

In the conventional system ceiling (line type system ceiling), for example, a pair of ceiling support bars arranged in parallel at intervals of several tens of millimeters are arranged in parallel in a plurality of sets. In addition, equipment plates for incorporating equipment such as lighting equipment, sprinklers, and speakers are arranged between adjacent sets of ceiling support bars.

Japanese Unexamined Patent Publication No. 2013-83064

In the above-mentioned system ceiling, since a pair of ceiling support bars are required for arranging the equipment and the equipment plate on the system ceiling, the number of construction steps may increase and the workability may deteriorate.

The present invention has been made in view of the problems of the prior art. An object of the present invention is to provide an equipment plate and a system ceiling capable of suppressing an increase in construction man-hours and improving workability.

In order to solve the above problems, the equipment plate according to the first aspect of the present invention is an equipment plate supported by a hanging bolt on a ceiling material, and the plate main body capable of accommodating the equipment and the hanging bolts are provided. It is provided with a connection portion to be connected. The plate body has a recess formed on the indoor side for accommodating the equipment, and the convex portion formed on the back side of the recess in the plate body constitutes a support portion to which the connection portion is attached.

The equipment plate according to the second aspect of the present invention is the equipment plate of the first aspect, wherein the plate body is adjacent to a flange portion for fastening to another plate body adjacent to the longitudinal direction. It has a fitting portion into which another plate body is fitted.

In the equipment plate according to the third aspect of the present invention, in the equipment plate of the second aspect, the longitudinal end portion of the plate body and the flange portion are formed flush with each other.

The system ceiling according to the fourth aspect of the present invention has an equipment plate formed by connecting a plurality of the plate bodies of any one of the first to third aspects in series, and in the direction of the series at predetermined intervals. It is a system ceiling in which a plurality of the equipment plates are arranged in parallel with each other.

According to the present invention, it is possible to provide an equipment plate and a system ceiling that can suppress an increase in construction man-hours and improve workability.

It is a perspective view which looked at the system ceiling which concerns on one Embodiment from the back side of the ceiling. It is an enlarged perspective view of the main part of the system ceiling shown in FIG. It is an exploded perspective view of the equipment plate. It is an enlarged perspective view of another main part of the system ceiling shown in FIG. It is an exploded perspective view of the equipment plate. It is a perspective view which looked at the system ceiling which concerns on another embodiment from the back side of the ceiling. It is an enlarged perspective view of the main part of the system ceiling shown in FIG. It is an exploded perspective view of the equipment plate.

Hereinafter, the system ceiling according to the present embodiment will be described in detail. The dimensional ratios in the drawings are exaggerated for convenience of explanation and may differ from the actual ratios.

The system ceiling 1A shown in FIG. 1 is also referred to as a line type system ceiling (line type). In FIG. 1, the arrow UPR indicates the upper side (ceiling back side), and the arrow LWR indicates the lower side (indoor side). Further, in FIG. 1, the arrow Y indicates the front-rear direction (direction in series), and the arrow X indicates the side direction (direction orthogonal to the direction in series).

As shown in FIG. 1, the system ceiling 1A is formed by connecting a plurality of plate bodies 8A1 and 8A2 having a configuration in which equipment can be deployed in series, and a plurality of plate bodies 8A1 and 8A2 parallel to the direction of the series at predetermined intervals. The equipment plates 3A1 and 3A2 to be arranged are provided. Further, the system ceiling 1A includes a crossbar 4 which is connected to the plate bodies 8A1 and 8A2 orthogonally to the direction in series and connects between the equipment plates 3A1 and 3A2.

The equipment plates 3A1 and 3A2 are supported by a plurality of hanging bolts 2 hanging from a ceiling material (ceiling slab). The equipment to be deployed on the equipment plates 3A1 and 3A2 is, for example, a lighting fixture, a speaker, a sensor, an emergency light, and the like. It should be noted that these equipments and fixtures are merely examples, and are not limited to these equipments and fixtures.

The crossbar 4 is composed of, for example, a T bar. Fixing parts 6 (see FIGS. 2 and 4), also called cross joints, are attached to both ends of the crossbar 4 for connection with the equipment plates 3A1 and 3A2.

The system ceiling 1A includes an equipment plate (hereinafter, also referred to as a first equipment plate) 3A1 for deploying the lighting equipment 7, and an equipment plate (hereinafter, also referred to as a second equipment plate) for deploying equipment other than the lighting equipment 7. It is provided with 3A2.

As shown in FIGS. 2 and 3, the first equipment plate 3A1 is configured by connecting a plurality of plate main bodies (first plate main bodies) 8A1 in the longitudinal direction. The first plate body 8A1 is formed in a rectangular shape in a plan view.

A support portion (first support portion) 9A1 for supporting the first connection portion 10A1 to be described later is arranged on the first plate main body 8A1, and the first support portion 9A1 is a connection portion (a connection portion (1) to which the hanging bolt 2 is connected. First connection) Supports 10A1. The first support portion 9A1 has an upper portion 31A1 extending along the longitudinal direction of the first plate main body 8A1 and a pair of side portions 32A1 hanging from both sides of the upper portion 31A1.

The first connecting portion 10A1 is composed of, for example, a so-called T-bar in which a metal plate having a T-shaped cross-sectional shape and a square pipe are combined, and is joined to the upper portion 31A1 of the first supporting portion 9A1 by welding or the like. .. The first connecting portion 10A1 is not limited to the above-described configuration, and may be formed by, for example, bending a plate-shaped metal material (metal plate).

A hanging bolt 2 is connected to the first connecting portion 10A1 by using a hanger 11 (see FIG. 1).

A recess 12A for accommodating the lighting fixture 7 is formed on the indoor side (lower side) of the first plate body 8A1, and a convex portion 13A formed on the back side (upper side) of the recess 12A in the first plate body 8A1. However, the first support portion 9A1 is formed. The luminaire 7 is composed of, for example, a light bar, and at least a part thereof is housed in the recess 12A.

A joining part (first joining part) 14A1 having a slit for connecting to the crossbar 4 (fixing part 6) is arranged on the side portion 32A1 of the first support portion 9A1. The first equipment plate 3A1 and the crossbar 4 can be easily attached by inserting the fixing part 6 of the crossbar 4 into the slit and fastening the fixing part 6 to the first joining part 14A1 with a screw (bolt) 33. Can be done.

Further, an opening 15A for air conditioning equipment, which is also called a returner, is formed in the side portion 32A1 of the first support portion 9A1.

Further, on the first plate main body 8A1, an edge portion (first edge portion) 18A1 for engaging the ceiling panel 16 and the radiation panel 17 and the like is formed along the longitudinal direction. The first edge portion 18A1 is formed in an inverted L shape by bending the edge portion of the first plate main body 8A1 upward and further bending it toward the convex portion 13A side.

Further, the first plate main body 8A1 has a flange portion (first flange portion) 19A1 for fastening to another first plate main body 8A1 adjacent in the longitudinal direction. The longitudinal end portion 20A1 and the first flange portion 19A1 of the first plate main body 8A1 are formed flush with each other.

The first flange portion 19A1 is provided at three locations along the shape of the recess 12A by bending the end portion of the first plate main body 8A1 outward so as to be flush with the longitudinal end portion 20A1. Further, the first flange portion 19A1 is provided with a screw fixing portion (screw hole) 34A1 for connecting to the first flange portion 19A1 of another adjacent first plate main body 8A1.

Further, the first plate main body 8A1 has a fitting portion (first fitting portion) 21A1 to which another first plate main body 8A1 adjacent in the longitudinal direction is fitted.

The first fitting portion 21A1 is a fitting assisting portion (first fitting assisting portion) 22A1 protruding from the longitudinal end portion 20A1 of one of the first plate main bodies 8A1 among the first plate main bodies 8A1 adjacent in the longitudinal direction. Have. Further, the first fitting portion 21A1 has a receiving portion (first receiving portion) 23A1 formed at the longitudinal end portion 20A1 of the other first plate main body 8A1 and receiving the first fitting assisting portion 22A1. The first fitting auxiliary portion 22A1 not only functions as the first fitting portion 21A1, but also the first fitting auxiliary portion 22A1 covers the upper side of the connecting portion between the first plate main bodies 8A1. Therefore, the first fitting auxiliary portion 22A1 also functions as a blindfold so that the back side of the ceiling cannot be seen from the indoor side through the gap of the connecting portion between the first plate main bodies 8A1.

The first fitting portion 21A1 is configured by providing the first fitting auxiliary portion 22A1 so as to slightly protrude from the longitudinal end portion 20A1 of the first plate main body 8A1. The first fitting auxiliary portion 22A1 of the first fitting portion 21A1 is formed in a U shape by bending a plate-shaped metal material in order to secure strength. The first receiving portion 23A1 of the first fitting portion 21A1 connects the first fitting auxiliary portion 22A1 of the first plate main body 8A1 adjacent between the side portion 32A1 of the first support portion 9A1 and the first edge portion 18A1. It is the part of the space that accepts.

The first fitting auxiliary portion 22A1 is fitted to the first receiving portion 23A1 of the adjacent first plate main body 8A1, and the first receiving portion 23A1 is fitted to the first fitting auxiliary portion 22A1 of the adjacent first plate main body 8A1. Positioned to fit. In other words, the first fitting auxiliary portion 22A1 provided at one end in the longitudinal direction of the first plate main body 8A1 and the first fitting auxiliary portion 22A1 provided at the other end in the longitudinal direction of the first plate main body 8A1. Has a point-symmetrical relationship. Further, the first receiving portion 23A1 provided at one end in the longitudinal direction of the first plate main body 8A1 and the first receiving portion 23A1 provided at the other end in the longitudinal direction of the first plate main body 8A1 are point-symmetrical. Become a relationship.

As shown in FIGS. 4 and 5, the second equipment plate 3A2 is configured by connecting a plurality of plate main bodies (second plate main bodies) 8A2 in the longitudinal direction. The second plate body 8A2 is formed in a rectangular shape in a plan view.

A support portion (second support portion) 9A2 for supporting the second connection portion 10A2, which will be described later, is provided on the second plate main body 8A2, and a suspension bolt 2 is connected to the second support portion 9A2. The part (second connection part) 10A2 is supported. The second support portion 9A2 is made of, for example, a hat material, and is joined to the second plate main body 8A2 by welding or the like. The second support portion 9A2 has an upper portion 31A2 extending along the longitudinal direction of the second plate main body 8A2, and a pair of side portions 32A2 hanging from both sides of the upper portion 31A2.

The second connecting portion 10A2 is composed of, for example, a so-called T-bar in which a metal plate having a T-shaped cross-sectional shape and a square pipe are combined, and is joined to the upper portion 31A2 of the second supporting portion 9A2 by welding or the like. .. The second connecting portion 10A2 is not limited to the above-described configuration, and may be formed by, for example, bending a plate-shaped metal material (metal plate).

A hanging bolt 2 is connected to the second connecting portion 10A2 by using a hanger 11 (see FIG. 1).

An equipment accommodating portion 25 having a hole 24A for accommodating equipment (equipment other than lighting equipment) such as a speaker, a sensor, and an emergency light is arranged in a longitudinal intermediate portion of the second plate main body 8A2. NS.

A joint part (second joint part) 14A2 having a slit for connecting to the crossbar 4 (fixed part 6) is arranged on the side portion 32A2 of the second support portion 9A2. The second equipment plate 3A2 and the crossbar 4 can be easily attached by inserting the fixing part 6 of the crossbar 4 into the slit and fastening the fixing part 6 to the second joining part 14A2 with a screw 33.

Further, on the second plate main body 8A2, an edge portion (second edge portion) 18A2 for engaging the ceiling panel 16 and the radiation panel 17 and the like is formed along the longitudinal direction. The second edge portion 18A2 is formed in an inverted L shape by bending the edge portion of the second plate main body 8A2 upward and further bending it toward the second support portion 9A2.

Further, the second plate main body 8A2 has a flange portion (second flange portion) 19A2 for fastening to another second plate main body 8A2 adjacent in the longitudinal direction.

The second flange portion 19A2 is provided at one location along the lateral direction between both second edge portions 18A2 of the second plate main body 8A2. Further, the second flange portion 19A2 is provided with a screw fixing portion 34A2 for connecting to the second flange portion 19A2 of another adjacent second plate main body 8A2.

Further, the second plate main body 8A2 has a fitting portion (second fitting portion) 21A2 into which another second plate main body 8A2 adjacent in the longitudinal direction is fitted.

The second fitting portion 21A2 is a fitting assisting portion (second fitting assisting portion) 22A2 protruding from the longitudinal end portion 20A2 of one of the second plate main bodies 8A2 among the second plate main bodies 8A2 adjacent in the longitudinal direction. Have. Further, the second fitting portion 21A2 is formed at the longitudinal end portion 20A2 of the other second plate main body 8A2 and receives the second fitting auxiliary portion 22A2 of the adjacent second plate main body 8A2 (the first). It has a bi-receptor) 23A2. The second receiving portion 23A2 is configured by providing the second flange portion 19A2 inside the longitudinal end portion 20A2 of the second plate main body 8A2.

With this configuration, the second flange portion 19A2 provided on one of the second plate main bodies 8A2 and the second flange portion 19A2 provided on the adjacent second plate main body 8A2 are formed from the longitudinal end portion 20A2 to the second plate main body 8A2. The second fitting auxiliary portion 22A2 covers the upper side of the connecting portion between the second plate main bodies 8A2 because they are in contact with each other on the inside. Therefore, the second fitting auxiliary portion 22A2 also functions as a blindfold so that the back side of the ceiling cannot be seen from the indoor side through the gap of the connecting portion between the second plate main bodies 8A2.

The second fitting portion 21A2 is located between both second edge portions 18A2 of the second plate main body 8A2 and is provided at one place along the lateral direction of the second plate main body 8A2. The second fitting auxiliary portion 22A2 of the second fitting portion 21A2 is formed in a U shape by bending a plate-shaped metal material. The second receiving portion 23A2 of the second fitting portion 21A2 is a space portion that receives the second fitting auxiliary portion 22A2 between both the second edge portions 18A2 of the second plate body 8A2.

The above-mentioned second flange portion 19A2 is disposed at the protruding side end portion of the second fitting auxiliary portion 22A2 and the second receiving portion 23A2, respectively, and these second flange portions 19A2 and 19A2 are abutted and fastened. Will be done.

The equipment plates 3A1, 3A2 and the crossbar 4 are made of, for example, aluminum or steel.

Then, as shown in FIG. 1, the ceiling panel 16 and the radiation panel 17 are located at a location surrounded by the equipment plates 3A1 and 3A2 arranged in parallel and adjacent to each other and the crossbars 4 and 4 arranged in parallel and adjacent to each other. Etc. are arranged.

The effects of this embodiment will be described below.

(1) The equipment plate 3A1 is supported by a plurality of hanging bolts 2 hanging from the ceiling slab. The equipment plate 3A1 includes a plate main body 8A1 capable of accommodating equipment equipment (lighting equipment 7), and a connecting portion 10A1 to which a hanging bolt 2 is connected. The plate body 8A1 is formed with a recess 12A for accommodating the lighting fixture 7 on the indoor side, and the convex portion 13A formed on the back side of the recess 12A in the plate body 8A1 constitutes a support portion 9A1 to which the connecting portion 10A1 is attached.

The equipment plate (first equipment plate) 3A1 according to the present embodiment is supported by a hanging bolt 2 on the ceiling material. Since the equipment plate 3A1 itself has a function of supporting the ceiling panel 16, the equipment plate 3A1 is laid (arranged) without laying (arranging) a pair of ceiling support bars as in the conventional case for incorporating the equipment plate 3A1. )can do. Further, it is not necessary to lay a ceiling support bar orthogonal to the crossbar 4 in order to arrange the ceiling panel 16.

By configuring the support portion 9A1 of the plate body 8A1 as described above, the connecting portion 10A1 can be relatively easily arranged with respect to the equipment plate 3A1. Further, by providing the support portion 9A1 on the equipment plate 3A1, the height of the connection portion 10A1 from the equipment plate 3A1 can be kept constant, and the connection with the suspension bolt 2 can be facilitated.

In short, according to the equipment plate 3A1 according to the present embodiment, it is possible to suppress an increase in man-hours for construction and improve workability.

(2) The plate body 8A1 has a flange portion 19A1 for fastening to another plate body 8A1 adjacent in the longitudinal direction. Further, the plate body 8A1 has a fitting portion 21A1 to which another plate body 8A1 adjacent in the longitudinal direction is fitted.

After the adjacent plate main body 8A1 is fitted by the fitting portion 21A1, the engagement (fitting) of the plate main body 8A1 is maintained even if the operator releases his / her hand from the plate main body 8A1. Therefore, after fitting the adjacent plate main body 8A1 by the fitting portion 21A1, the workability when fastening the plate main body 8A1 by the flange portion 19A1 is improved.

(3) The longitudinal end portion 20A1 and the flange portion 19A1 of the plate body 8A1 are formed flush with each other.

In the equipment plate 3A1, adjacent plate bodies 8A1 can be connected without creating a gap between the longitudinal end portions 20A1 of the plate body 8A1. Therefore, it is possible to improve the aesthetic appearance of the system ceiling 1A when viewed from the indoor side.

(4) The system ceiling 1A has an equipment plate 3A1 in which a plurality of plate bodies 8A1 are connected in series, and a plurality of equipment plates 3A1 are arranged in parallel with the direction of the series at predetermined intervals. It is 1A.

In the system ceiling 1A according to the present embodiment, the equipment plate 3A1 is supported by the ceiling material by hanging bolts 2. Therefore, the equipment plate 3A1 can be laid (arranged) without laying (arranging) a pair of ceiling support bars in order to incorporate the equipment plate 3A1.

In short, according to the system ceiling 1A according to the present embodiment, it is possible to suppress an increase in construction man-hours and improve workability.

[System ceiling according to another embodiment]
Hereinafter, the system ceiling according to another embodiment will be described. The dimensional ratios in the drawings are exaggerated for convenience of explanation and may differ from the actual ratios.

The embodiments shown in FIGS. 6 to 8 show an embodiment different from the embodiments shown in FIGS. 1 to 5, and are substantially the same components as the embodiments shown in FIGS. 1 to 5. The same reference numerals are given to the above, and detailed description thereof will be omitted.

In FIG. 6, the arrow UPR indicates the upper side (ceiling back side), and the arrow LWR indicates the lower side (indoor side). Further, in FIG. 6, the arrow Y indicates the front-rear direction (direction in series), and the arrow X indicates the side direction (direction orthogonal to the direction in series).

As shown in FIG. 6, the system ceiling 1B is formed by connecting a plurality of plate bodies 8B having a configuration in which both a lighting fixture and equipment other than the lighting fixture can be deployed in series, and the series is connected at a predetermined interval. A plurality of equipment plates 3B arranged in parallel with respect to the direction of the above are provided. Note that in FIG. 6, only one row of equipment plates 3B is shown.

One end of the crossbar 4 arranged so as to be orthogonal to the equipment plate 3B is fixed to the equipment plate 3B by a clip 26 described later, and the other end is fixed to the main bar 5 by using a so-called cross joint or the like.

As shown in FIGS. 7 and 8, the equipment plate 3B is configured by connecting a plurality of plate bodies 8B in the longitudinal direction. The plate body 8B is formed in a rectangular shape in a plan view.

A support portion 9B is provided on the plate body 8B via a spacer 27 for height adjustment, and a connection portion 10B to which the suspension bolt 2 is connected is supported on the support portion 9B via a clip 26. NS. Each of the support portion 9B and the connection portion 10B is composed of, for example, a channel material.

The crossbar 4 and the support portion 9B are arranged so as to sandwich the orthogonal connecting portion 10B by the clip 26. By tightening the support portion 9B, the connection portion 10B, and the crossbar 4 with the screws (bolts) 35 provided on the upper portion of the clip 26, the three members of the crossbar 4, the support portion 9B, and the connection portion 10B are fixed. .. Further, the support portion 9B and the spacer 27, and the spacer 27 and the plate body 8B are fixed by welding or the like. Therefore, the plate body 8B is supported in a state of hanging from the connecting portion 10B.

A hanging bolt 2 is connected to the connecting portion 10B by using a hanger 11 (see FIG. 6). That is, the hanging bolt 2 is connected to the hanger 11, and the connecting portion 10B is supported by the hanger 11 (see FIG. 6). Since the clip 26 holds the crossbar 4 slidably by sandwiching the upper portion of the crossbar 4, it can be adjusted by sliding the position of the clip 26 along the crossbar 4. Therefore, even if the position of the suspension bolt 2 varies in the left-right direction (longitudinal direction of the crossbar 4) with respect to the equipment plate 3B, the variation in the position of the suspension bolt 2 can be absorbed.

A recess 12B for accommodating a lighting fixture is formed on the indoor side (lower side) of the plate body 8B, and a convex portion 13B formed on the back side (upper side) of the recess 12B of the plate body 8B is a support portion 9B. Make up a part. The convex portion 13B has an upper portion 31B extending along the longitudinal direction of the plate body 8B, and a pair of lateral portions 32B hanging from both sides of the upper portion 31B.

The support portion 9B has a spacer 27 for height adjustment, which is attached to the convex portion 13B. The crossbar 4 is fixed to the support portion 9B via the clip 26 described above. Therefore, the clip 26 described above constitutes a joining part 14B for joining with the crossbar 4.

Further, an opening 15B for air conditioning equipment, which is also called a returner, is formed in the side portion 32B of the convex portion 13B.

A hole 24B for accommodating equipment such as a speaker, a sensor, and an emergency light is formed in the intermediate portion of the plate body 8B in the longitudinal direction so as to be located on the side of the above-mentioned convex portion 13B.

Further, on the plate body 8B, an edge portion 18B for engaging with the ceiling panel 16 is formed along the longitudinal direction. The edge portion 18B is formed in an inverted L shape by bending the edge portion of the plate body 8B upward and further bending it toward the convex portion 13B side.

Further, the plate body 8B has a flange portion (first flange portion) 19B1 for fastening another plate body 8B adjacent in the longitudinal direction. The longitudinal end 20B and the first flange 19B1 of the plate body 8B are formed flush with each other.

The first flange portion 19B1 is provided at three locations along the shape of the recess 12B by bending the end portion of the plate body 8B outward so as to be flush with the longitudinal end portion 20B. Further, the first flange portion 19B1 is provided with a screw fixing portion (screw hole) 34B1 for connecting to the first flange portion 19B1 of another adjacent plate main body 8B.

Further, the plate body 8B has a fitting portion 21B into which another plate body 8B adjacent in the longitudinal direction is fitted.

The fitting portion 21B has a fitting auxiliary portion 22B protruding from the longitudinal end portion 20B of one of the plate main bodies 8B adjacent to the plate main body 8B in the longitudinal direction. Further, the fitting portion 21B has a receiving portion 23B formed at the longitudinal end portion 20B of the other plate main body 8B and receiving the fitting auxiliary portion 22B of the adjacent plate main body 8B. The receiving portion 23B is configured by providing a second flange portion 19B2, which will be described later, inside the end portion 20B in the longitudinal direction of the plate body 8B.

With this configuration, the second flange portion 19B2 (described later) provided on one plate body 8B and the second flange portion 19B2 provided on the adjacent plate body 8B are inside the plate body 8B from the longitudinal end portion 20B. Since they are in contact with each other, the fitting auxiliary portion 22B covers the upper side of the connecting portion between the plate bodies 8B. Therefore, the fitting auxiliary portion 22B also functions as a blindfold so that the back side of the ceiling cannot be seen from the indoor side through the gap of the connecting portion between the plate main bodies 8B.

The fitting portion 21B is provided at two positions so as to be located between the side portion 32B of the convex portion 13B and each edge portion 18B. The fitting auxiliary portion 22B of the fitting portion 21B is formed in a U shape by bending a plate-shaped metal material. The receiving portion 23B of the fitting portion 21B is a space portion that receives the fitting auxiliary portion 22B of the plate body 8B adjacent between the side portion 32B of the convex portion 13B and the edge portion 18B.

Flange portions (second flange portions) 19B2 different from the first flange portion 19B1 are formed on the protruding side end portion of the fitting auxiliary portion 22B and the receiving portion 23B, respectively, and these second flange portions 19B2 19B2 are butted and fastened.

The second flange portion 19B2 is provided at two positions so as to be located between the side portion 32B of the convex portion 13B and each edge portion 18B. Further, the second flange portion 19B2 is provided with a screw fixing portion 34B2 for connecting to the second flange portion 19B2 of another adjacent second plate main body 8A2.

The equipment plate 3B, the crossbar 4 and the main bar 5 are made of, for example, aluminum or steel.

Then, as shown in FIG. 6, the ceiling panel 16 is arranged at a position surrounded by the equipment plate 3B, the adjacent crossbars 4 and 4 arranged in parallel, and the main bar 5.

The effects of the embodiments shown in FIGS. 6 to 8 will be described below.

The equipment plate 3B according to this embodiment is supported by a hanging bolt 2 hanging from the ceiling slab. The equipment plate 3B includes a plate body 8B capable of accommodating equipment and equipment, and a connecting portion 10B to which the hanging bolt 2 is connected. The plate main body 8B is formed with a concave portion 12B for accommodating equipment and devices on the indoor side, and the convex portion 13B formed on the back side of the concave portion 12B in the plate main body 8B constitutes a support portion 9B to which the connecting portion 10B is attached.

Further, the plate body 8B has flange portions 19B1 and 19B2 for fastening to another plate body 8B adjacent in the longitudinal direction. Further, the plate body 8B has a fitting portion 21B into which another plate body 8B adjacent in the longitudinal direction is fitted.

Further, the longitudinal end portion 20B and the flange portion 19B1 of the plate body 8B are formed flush with each other.

Further, the system ceiling 1B according to this embodiment has equipment plates 3B in which a plurality of plate bodies 8B are connected in series, and a plurality of equipment plates 3B are arranged in parallel with the direction of the series at predetermined intervals. This is the system ceiling 1B.

According to the embodiments shown in FIGS. 6 to 8, it is possible to obtain the same effects as those of the embodiments shown in FIGS. 1 to 5.

Therefore, the equipment plate 3B and the system ceiling 1B according to this embodiment can also suppress the increase in the construction man-hours and improve the workability.

Although the contents of the present embodiment have been described above, it is obvious to those skilled in the art that the present embodiment is not limited to these descriptions and various modifications and improvements can be made.

1A, 1B System ceiling 2 Hanging bolt 3A1,3B Equipment plate 4 Crossbar 7 Lighting equipment (equipment equipment)
8A1,8B Plate body 9A1,9B Support part 10A1,10B Connection part 12A, 12B Recessed part 13A, 13B Convex part 19A1,19A2, 19B1,19B2 Flange part 20A1,20B Longitudinal end part 21A1,21B Fitting part

Claims (4)

An equipment plate supported by hanging bolts on the ceiling material.
A plate body that can accommodate equipment and equipment
A connection portion to which the hanging bolt is connected is provided.
The plate body is formed with a recess on the indoor side for accommodating the equipment.
The convex portion formed on the back side of the concave portion in the plate main body constitutes an equipment plate to which the connecting portion is attached. According to claim 1, the plate body has a flange portion for fastening to another plate body adjacent in the longitudinal direction, and a fitting portion into which another plate body adjacent in the longitudinal direction is fitted. Described equipment plate. The equipment plate according to claim 2, wherein the longitudinal end portion of the plate body and the flange portion are formed flush with each other. It has an equipment plate formed by connecting a plurality of the plate bodies according to any one of claims 1 to 3 in series, and arranges the plurality of the equipment plates parallel to the direction of the series at predetermined intervals. The system ceiling.

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