JP2020147939A - Ceiling structure and support member - Google Patents

Abstract

To provide a ceiling structure and a support member with high seismic performance.SOLUTION: A ceiling frame 20, a horizontal member 10, and a support member 30 are included. The horizontal member 10 is formed by arranging a plurality of long members 11, 11 along each other. At least one long member 11 which is one of the plurality of long members 11,11 constituting the horizontal member 10 is fixed to a wall 3 which is one of the walls 3 and 3 facing each other. At least one long member 11 of the other long members 11 other than the long member 11 fixed to one wall 3 is fixed to the other wall 3 facing one wall 3. The long member 11 fixed to one wall 3 and the other long members 11 other than this are slidable in the longitudinal direction. The support member 30 has a gate shape and is arranged along an upper portion and a side portion of the horizontal member 10, and a ceiling substrate member (ceiling substrate receiving member 24) is attached to a lower end portion of the support member 30. The horizontal member 10 is surrounded by the support member 30 and the ceiling substrate member.SELECTED DRAWING: Figure 4

Description

The present invention relates to a ceiling structure and a support member.

In a living room, a corridor, etc. where the distance between the walls facing each other is relatively small, as a structure for supporting the ceiling frame formed by assembling the ceiling base material in a grid pattern, a horizontal member bridged between the walls facing each other and the above A structure including a support metal fitting connected to a horizontal member is known (see Patent Document 1). In the structure, the end portion of the horizontal member is connected to the surface of the wall or the side surface of the base material of the wall, and the support metal fitting is a metal fitting that causes the horizontal member to support the ceiling frame. According to such a structure, the ceiling frame can be supported by the support metal fittings connected to the horizontal members laid between the walls without providing the hanging bolts. Therefore, since a space extending in the lateral direction is secured above the horizontal member, the piping ducts and wirings of the equipment can be installed at any place without interfering with the components of the ceiling.

Japanese Unexamined Patent Publication No. 2016-142008

By the way, due to the increase in earthquakes in recent years, the demand for seismic performance is increasing. Therefore, an object of the present invention is to provide a ceiling structure and a support member capable of improving seismic performance as compared with the prior art.

In the present invention for solving the above-mentioned problems, a ceiling frame in which a ceiling base material is assembled, a horizontal member straddled between walls facing each other, and a support for supporting the ceiling frame by the horizontal member. It is a ceiling structure equipped with members. The horizontal member is formed by arranging a plurality of long members along each other. At least one of the plurality of long members constituting the horizontal member is fixed to the wall of one of the walls facing each other, and the long member fixed to the one wall. At least one of the other long materials except the material is fixed to the other wall facing the one wall. The long material fixed to one of the walls and the other long material other than the long material are slidable in the longitudinal direction. The support member has a gate shape and is arranged along the upper portion and the side portion of the horizontal member, and the ceiling base material is attached to the lower end portion of the support member. It is characterized in that the horizontal member is surrounded by the ceiling base material and the ceiling base material.

According to the ceiling structure having such a structure, a plurality of long members are placed alongside each other and surrounded by a support member and a ceiling base material to form a horizontal member, so that bending stress can be countered with a large cross section. A horizontal member can be obtained. Further, even if the wall shakes during an earthquake and the distance between the opposing walls increases, the horizontal member slides along the wall, so that the fixed portion between the wall and the horizontal member can be prevented from being damaged. Therefore, seismic performance can be improved.

Further, in the ceiling structure of the present invention, it is preferable that the horizontal member is fixed to the wall via a runner arranged along the wall. With such a configuration, it becomes easy to fix the horizontal member to the wall.

The second invention for solving the above-mentioned problems is a support member for supporting a ceiling base material on a horizontal member formed by arranging a plurality of long members along each other. The horizontal member fixing portion includes a gate-shaped horizontal member fixing portion along the upper portion and the side portion of the horizontal member, and a ceiling base material fixing portion located below the horizontal member fixing portion. Is provided with a horizontal plate portion placed on the horizontal member and a hanging plate portion hanging from both ends of the horizontal member, and the ceiling base material fixing portion is the said portion of the horizontal member fixing portion. A pair of fixed flange portions continuous to the lower end portion of the hanging plate portion are provided, and the ceiling base material is bridged between the pair of fixed flange portions.

According to the support member having such a structure, since a plurality of long members can be integrally fixed, it is possible to form a horizontal member that can counter the bending stress with a large cross section. Therefore, the seismic performance of the ceiling structure can be improved.

According to the present invention, it exhibits excellent effects such as being able to improve seismic performance.

It is a top view which showed the ceiling structure which concerns on embodiment of this invention. It is a figure which showed the ceiling structure which concerns on embodiment of this invention, (a) is a front view, (b) is an enlarged front view of a main part. It is an enlarged side view of the main part which showed the ceiling structure which concerns on embodiment of this invention. It is a main part perspective view which showed the ceiling structure which concerns on embodiment of this invention. It is a figure which showed the state which the ceiling plate support member was supported by the ceiling base material receiving member via a support device, (a) is a plan view, (b) is a side view, (c) is a front view. .. It is a perspective view which showed the support member which concerns on embodiment of this invention. It is a figure which showed the support member which concerns on embodiment of this invention, (a) is a plan view, (b) is a side view, (c) is a front view. It is an exploded perspective view which showed the support device. It is a perspective view which showed the support device. It is a figure which showed the 1st member of a support device, (a) is a plan view, (b) is a side view, (c) is a front view. It is a figure which showed the 2nd member of a support device, (a) is a plan view, (b) is a side view, (c) is a front view.

The ceiling structure and the support member according to the embodiment of the present invention will be described in detail with reference to the drawings. The ceiling structure according to the present embodiment is provided on the ceiling of a rectangular space such as a corridor. In the present embodiment, an example is taken in the case where the ceiling base material is configured to include a ceiling base receiving member extending in the longitudinal direction of the corridor and a ceiling plate supporting member orthogonal to the ceiling base receiving member. explain. In the present embodiment, the direction viewed along the longitudinal direction of the corridor is the front, and the direction viewed along the width of the corridor is the side surface.

As shown in FIGS. 1 to 3, the ceiling structure 1 includes a horizontal member 10, a ceiling frame 20, a support member 30, and a support device 50. The support member 30 supports the ceiling frame 20 by the horizontal member 10. The ceiling frame 20 is assembled with a ceiling base material. In the present embodiment, the ceiling frame 20 includes a ceiling plate support member 23 and a ceiling base receiving member 24. The support device 50 supports the ceiling plate support member 23 by the ceiling base receiving member 24.

The horizontal member 10 is bridged between the walls 3 and 3 on both sides in the width direction of the corridor 2. The horizontal member 10 is composed of a plurality of (two in this embodiment) long members 11 and 11 orthogonal to the wall 3, and extends in the horizontal direction. The horizontal member 10 is arranged at a predetermined interval from the upper structure 4 (see (a) of FIG. 2) such as the lower surface of the floor slab on the upper floor. The gap between the horizontal member 10 and the superstructure 4 is sized so that piping ducts and wiring of various facilities can pass through. The long member 11 is made of, for example, a lightweight steel frame stud having a U-shaped cross section. The long members 11 and 11 are combined so that the side openings having a U-shaped cross section face each other and follow each other. The two long members 11 and 11 have the same length, are pressed from both sides by the support member 30, are in contact with each other, and are arranged side by side. The two long members 11 and 11 are slidable with each other along the longitudinal direction. In FIG. 1, reference numeral "6" indicates a ceiling-embedded lighting device. The horizontal member 10 passes above the lighting device 6. In the present embodiment, the ceiling-embedded lighting device 6 is provided under the horizontal member 10, but it goes without saying that it may not be provided. In that case, the ceiling frame 20 and the ceiling plate 21 are provided instead of the lighting device 6.

As shown in FIGS. 1, 2 and 4, the end portion of the horizontal member 10 is connected to the surface of the wall 3. Specifically, on the surface of the wall 3, a runner 5 having a U-shaped cross section (see (b) and 5 in FIG. 2) is provided so as to extend horizontally along the longitudinal direction of the corridor 2. The horizontal member 10 is supported by sandwiching the end portions of the horizontal member 10 from above and below with the runner 5. The runner 5 is screwed to the surface of the wall 3. The runners 5 are provided on the walls 3 and 3 on both sides of the corridor, and support both ends of the horizontal member 10.

As shown in FIG. 4, at least one of the plurality of long members 11 and 11 constituting the horizontal member is fixed to one of the walls 3 and 3 facing each other. At least one of the other long members 11 except the long member 11 fixed to one wall 3 is fixed to the other wall 3 facing the one wall 3. In the present embodiment, since there are two long members 11, one end of one long member 11 is fixed to the runner 5 attached to one wall 3, and the other end of the other long member 11 is fixed. The portion is fixed to the runner 5 attached to the other wall 3. The long member 11 is fixed to the runner 5 via a screw V.

As shown in FIGS. 2, 3 and 5, the ceiling frame 20 supports the ceiling plate 21 and is configured by assembling a ceiling base material. The ceiling base material is composed of a ceiling plate support member 23 that supports the ceiling plate 21 and a ceiling base receiving member 24 that supports the ceiling plate support member 23. At the end of the ceiling plate 21, a peripheral edge 21a (see FIG. 2B) screwed to the wall 3 is provided.

As shown in FIGS. 5 and 9, the ceiling plate support member 23 has an H-shaped cross section having a web portion 25a, an upper flange portion 25b, and a lower flange portion 25c. For example, an H bar made of a lightweight steel frame. It is composed of. The ceiling plate support member 23 is used in a state where the H shape is turned sideways. The ceiling plate support member 23 extends in the width direction of the corridor 2. The lower flange portion 25c is inserted into the concave groove 22 formed on the outer peripheral side surface of the ceiling plate 21. The thickness dimension of the lower flange portion 25c is formed to be equal to the width dimension of the concave groove 22 or slightly larger than the width dimension of the concave groove 22, and the lower flange portion 25c is fitted into the concave groove 22. There is. That is, the lower flange portion 25c constitutes a locking portion of the ceiling plate 21. On the other hand, the upper flange portion 25b is inserted into the notches 62 and 73 of the support device 50 described later and locked.

The ceiling base receiving member 24 has a C-shaped cross section having a vertical plate portion 26a and horizontal plate portions 26b and 26c protruding from above and below the vertical plate portion 26a, respectively. For example, a channel material made of a lightweight steel frame. It is composed of. The ceiling base receiving member 24 extends in the longitudinal direction of the corridor 2.

As shown in FIGS. 6 and 7, the support member 30 causes the horizontal member 10 to support the ceiling frame 20. The support member 30 supports the ceiling base receiving member 24 of the ceiling frame 20. The support member 30 is formed by bending a steel plate material and has a portal shape. The support member 30 includes a horizontal member fixing portion 31 and a ceiling base material fixing portion 32.

The horizontal member fixing portion 31 is arranged along the upper portion and the side portion of the horizontal member 10, is hooked to the horizontal member 10, and has a gate shape that sandwiches the horizontal member 10 from both sides. The horizontal member fixing portion 31 includes a horizontal plate portion 33 and hanging plate portions 34, 34. The water flat plate portion 33 is a portion placed on the horizontal member 10 and extends in the width direction of the horizontal member 10 (longitudinal direction of the corridor 2). The length dimension of the horizontal plate portion 33 is equivalent to the width dimension of the horizontal member 10. The hanging plate portions 34, 34 abut on the side surface of the horizontal member 10 from both sides. The hanging plate portions 34, 34 hang down from both ends of the horizontal plate portion 33, respectively, and are bent continuously at a right angle to the end portions of the horizontal plate portion 33.

The ceiling base material fixing portion 32 is a portion that supports the ceiling base material receiving member 24, and includes a fixing flange portion. The fixed flange portion includes a side support plate portion 35 and a bottom support plate portion 36. The ceiling base material fixing portion 32 has an L-shaped cross section. The side support plate portion 35 is continuously provided in the lower part of the hanging plate portion 34 of the horizontal member fixing portion 31. The side surface support plate portion 35 is bent at a right angle from the side surface support plate portion 35 and extends along the longitudinal direction of the corridor 2. The side support plate portion 35 comes into contact with the vertical plate portion 26a of the ceiling base receiving member 24 from the back surface. The side surface support plate portion 35 is formed with a screw hole 27 through which a screw V for fixing the vertical plate portion 26a penetrates. The screw hole 27 is formed at a position corresponding to an intermediate portion in the height direction of the vertical plate portion 26a. The bottom support plate portion 36 supports the horizontal plate portion 26c on the lower side of the ceiling base receiving member 24 from below. The bottom support plate portion 36 is bent diagonally upward so as to be continuous with the lower end of the side support plate portion 35. The bottom support plate portion 36 is formed with a locking portion 28 for locking the tip of the horizontal plate portion 26c. The locking portion 28 is formed by cutting and raising the plate material of the bottom support plate portion 36 in a rectangular shape.

As shown in FIG. 4, the support members 30 are provided at two locations at both ends of the horizontal member 10, and support the ceiling base receiving member 24 at both ends in the width direction of the corridor 2. The support member 30 supports the long members 11 and 11 in a state of being in contact with each other by sandwiching both ends of the horizontal member 10 from both sides. The long members 11 and 11 are not fixed to each other, and the long members 11 and 11 can slide with each other in the longitudinal direction thereof.

As shown in FIGS. 8 and 9, the support device 50 supports the ceiling plate support member 23 having an H-shaped cross section on the ceiling base receiving member 24, and supports the first member 51 and the second member 52. I have. The support device 50 sandwiches each of the ceiling plate support member 23 and the ceiling base receiving member 24 via the first member 51 and the second member 52.

As shown in FIG. 10, the first member 51 is a portion to be locked to the ceiling base receiving member from the outside of the C-shape of the ceiling base receiving member 24, and the locking plate portion 53 and the first vertical plate A contact portion 54 and a first web contact portion 55 are provided. Further, the first member 51 includes a horizontal plate portion 56a, a hanging plate portion 56b, and a bending plate portion 56c. The horizontal plate portion 56a is located above the first member 51. The hanging plate portion 56b is continuously bent downward at a right angle to the end portion of the horizontal plate portion 56a. The horizontal plate portion 56a and the hanging plate portion 56b have an inverted L-shaped cross section of the first member 51. The bending plate portion 56c is located below the hanging plate portion 56b and is bent continuously at a right angle to the hanging plate portion 56b.

The locking plate portion 53 is a plate-shaped portion placed on the horizontal plate portion 26b on the upper side of the ceiling base receiving member 24, and is composed of the horizontal plate portion 56a. A lip portion 57 that hangs downward is formed at the tip end portion of the horizontal plate portion 56a (the end portion opposite to the hanging plate portion 56b). The lip portion 57 is hooked to the tip of the horizontal plate portion 26b on the upper side of the ceiling base receiving member 24. The lip portions 57 are formed at both ends of the horizontal plate portion 56a in the longitudinal direction of the corridor. A locking piece 58 for locking the second member 52 is deformably provided between the lip portions 57 and 57 at both ends. The locking piece 58 has a T-shape in a plan view, and a central protruding portion 58a is arranged in a recess 59 cut out at the tip end portion of the horizontal plate portion 56a. Since the tip of the protruding portion 58a rises obliquely upward toward the tip, it protrudes above the surface of the horizontal plate portion 56a. The overhanging portions 58b and 58b on both sides of the protruding portion 58a of the locking piece 58 are tiltably connected to the tip portions on both outer sides of the recess 59 of the horizontal plate portion 56a. By pushing the T-shaped base end portion, the locking piece 58 rotates around the connection portion with the horizontal plate portion 56a, and the protruding portion 58a moves up and down. When the protruding portion 58a rises, it is locked to the second member 52.

The first vertical plate contact portion 54 is a portion that abuts on the outer surface of the vertical plate portion 26a of the ceiling base receiving member 24, and is formed on the upper portion of the hanging plate portion 56b. The first vertical plate contact portion 54 is formed with a screw hole 60 through which a screw V for fixing the vertical plate portion 26a penetrates. The screw hole 60 is formed at a position corresponding to an intermediate portion in the height direction of the vertical plate portion 26a.

The first web contact portion 55 is a plate-shaped portion that contacts one surface of the web portion 25a of the ceiling plate support member 23, and is composed of a bending plate portion 56c. The first web contact portion 55 is provided on the ceiling plate support member fixing portion 61 formed below the hanging plate portion 56b. The ceiling plate support member fixing portion 61 includes a notch portion 62 into which the upper flange portion 25b of the ceiling plate support member 23 is inserted, and a bending plate portion 56c is provided below the notch portion 62. The bent plate portion 56c is formed by bending the lower plate material of the notch portion 62 at a right angle. The bending plate portion 56c is formed with a screw hole 63 through which a screw V for fixing the web portion 25a passes.

As shown in FIGS. 8, 9 and 11, the second member 52 is a portion that comes into contact with the ceiling base receiving member 24 from the inside of the C-shape of the ceiling base receiving member 24, and is in contact with the second vertical plate. A portion 64 and a second web contact portion 65 are provided. Further, the second member 52 includes a grooved plate portion 66 and a bent plate portion 67. The groove-shaped plate portion 66 has a U-shape in a plan view and extends vertically. The groove type plate portion 66 includes a bottom plate portion 68a, side plate portions 68b and 68b, and lip portions 68c and 68c. The lip portion 68c is continuous with the tip of the side plate portion 68b and extends outward. The bent plate portion 67 is located below the bottom plate portion 68a and is bent continuously at a right angle to the bottom plate portion 68a.

The second vertical plate contact portion 64 is a portion that abuts on the inner side surface of the vertical plate portion 26a of the ceiling base receiving member 24, and is formed on the upper portion of the bottom plate portion 68a of the groove type plate portion 66. The second vertical plate contact portion 64 is formed with a screw hole 69 through which a screw V for fixing the vertical plate portion 26a penetrates. The screw hole 69 is formed at a position corresponding to an intermediate portion in the height direction of the vertical plate portion 26a. An upper notch 70 into which the upper horizontal plate portion 26b of the ceiling base receiving member 24 is inserted is formed in the upper portion of the groove type plate portion 66. The upper notch portion 70 is formed continuously from the bottom plate portion 68a to the side plate portions 68b and 68b on both sides. The depth dimension of the upper notch 70 in the side plate 68b is equivalent to the overhanging dimension of the horizontal plate 26b. The height dimension of the upper notch portion 70 in the bottom plate portion 68a is larger than the thickness dimension of the horizontal plate portion 26b and the horizontal plate portion 56a of the first member 51 (the horizontal plate portion 26b and the horizontal plate portion 56a are larger. It is a size that can be passed through). The height dimension of the upper notch 70 in the side plate 68b is smaller than the height dimension of the upper notch 70 in the bottom plate 68a, and the height dimension through which the horizontal plate 26b can pass is set.

The second web contact portion 65 is a plate-shaped portion that contacts the other surface of the web portion 25a of the ceiling plate support member 23, and is composed of a bending plate portion 67. The second web contact portion 65 is provided on the ceiling plate support member fixing portion 72 formed below the bottom plate portion 68a of the groove type plate portion 66. The ceiling plate support member fixing portion 72 includes a notch portion 73 into which the upper flange portion 25b of the ceiling plate support member 23 is inserted, and a bending plate portion 67 is provided below the notch portion 73. The bent plate portion 67 is formed by bending the lower plate material of the notch portion 73 at a right angle. The bending plate portion 67 is formed with a screw hole 74 through which a screw V for fixing the web portion 25a penetrates.

Next, the action and effect of the ceiling structure 1 and the support device 50 will be described while explaining the procedure for constructing the ceiling structure 1 having the above configuration.

In order to construct such a ceiling structure 1, first, as shown in FIGS. 2 and 4, a runner 5 is arranged on the upper part of the wall surface of the corridor 2 facing each other and fastened with screws (see (b) of FIG. 2). .. The runner 5 extends along the longitudinal direction of the corridor 2 and is attached so that the opening having a U-shaped cross section faces the opening of the runner 5 facing the runner 5.

After that, the horizontal members 10 are hung between the runners 5 and 5 facing each other. The horizontal member 10 is hung so that the side openings having a U-shaped cross section of the two long members 11 face each other. Then, one end of one of the two long members 11 and 11 is screwed to the runner 5 of one wall 3, and the other end of the other long member 11 is attached to the other. Screw it to the runner 5 on the wall 3.

Both ends of the horizontal member 10 composed of the two long members 11 and 11 are surrounded by the support member 30 and sandwiched. Specifically, the gate-shaped horizontal member fixing portion 31 surrounds the upper surface and the side surface of the horizontal member 10 to fix the two long members 11 and 11. Further, by fixing the ceiling base receiving member 24 to the ceiling base material fixing portion 32 below the support member 30, the ceiling base receiving member 24 covers the lower surface of the horizontal member 10. As a result, the two long members 11 and 11 are surrounded by the entire circumferences of the upper, lower, left and right sides, so that they are not separated from each other. Further, since the two long members 11 are not fixed to each other, they can slide along the longitudinal direction. That is, the horizontal member 10 is extended by sliding the two long members 11 and 11.

According to such a horizontal member 10, when the distance between the walls 3 and 3 becomes large at the time of an earthquake, one long member 11 is pulled while being fixed to one wall 3, and the other long member 11 is pulled. The material 11 is pulled while being fixed to the other wall 3. Then, the two long members 11 and 11 slide together. By sliding the two long members 11 and 11 following the walls 3 and 3 in this way, it is possible to prevent the fixed portion of the horizontal member 10 from being damaged and from the wall 3 of the horizontal member 10. Withdrawal can be prevented.

Further, the horizontal member 10 is configured by arranging two long members 11 and 11 and surrounding them with the support member 30 and the ceiling base receiving member 24, so that the bending stress can be countered by a large cross section. A horizontal member can be obtained. Therefore, the seismic performance of the ceiling structure 1 can be improved. Further, the long member 11 is composed of studs having a U-shaped cross section, and the two long members 11 and 11 are combined so that the side openings face each other. The material 10 has a tubular shape, and the rigidity can be increased. Therefore, the seismic performance of the ceiling structure 1 can be further improved.

Further, in the present embodiment, since the horizontal member 10 is fixed to the wall 3 via the runner 5, it becomes easy to fix the horizontal member 10 to the wall 3.

Further, by fixing the two long members 11 and 11 via the portal-shaped support member 30, the plurality of long members 11 and 11 can be integrally fixed, so that the bending stress can be reduced. On the other hand, it is possible to form the horizontal member 10 that can compete with a large cross section.

Next, the ceiling plate support member 23 is fixed to the ceiling base receiving member 24 by using the support device 50. First, as shown in FIG. 8, the first member 51 is locked to the ceiling base receiving member 24. Specifically, the first member 51 is moved from the back surface side (outside of the C-shape) of the ceiling base receiving member 24, and the locking plate portion 53 is placed on the upper horizontal plate portion 26b. At this time, since the lip portion 57 is hooked to the tip of the upper horizontal plate portion 26b, the first member 51 is temporarily fixed without being separated from the ceiling base receiving member 24. Then, the upper flange portion 25b of the ceiling plate support member 23 is inserted into the notch portion 62 of the ceiling plate support member fixing portion 61 and locked.

After that, as shown in FIG. 9, the second member 52 is moved from the ventral side (inside of the C-shape) of the ceiling base receiving member 24 and attached to the first member 51. At this time, the first member 51 is temporarily fixed to the ceiling base receiving member 24, and the ceiling plate support member 23 is locked to the first member 51 and temporarily fixed, so that the installation work of the second member 52 can be performed. Easy to do. As the installation work of the second member 52, first, the upper and lower horizontal plate portions 26b and 26c of the ceiling base receiving member 24 are inserted into the upper notch portion 70 and the lower notch portion 71 of the second member 52. The upper horizontal plate portion 26b and the locking plate portion 53 are inserted into the upper notch portion 70. Since the tip of the protruding portion 58a of the locking piece 58 rises diagonally upward toward the tip, the upper frame portion 70a of the upper notch 70 pushes the protruding portion 58a downward. , Moves while sliding on the surface of the protruding portion 58a. When the frame portion 70a is inserted all the way, the tip of the protruding portion 58a protrudes upward from the surface of the horizontal plate portion 56a and is locked to the side surface of the frame portion 70a. As a result, the second member 52 is fixed to the first member 51. Further, by lowering the outer portion of the locking piece 58 downward using a tool such as pliers, the tip portion of the protruding portion 58a is inclined upward and pops out, so that the frame portion 70a can be reliably locked. .. When removing the second member 52 from the first member 51, the removal work can be easily performed by raising the outer portion of the locking piece 58 upward and pushing down the tip portion of the protruding portion 58a. Can be done.

When the second member 52 is attached to the first member 51, the second vertical plate contact portion 64 comes into contact with the side surface of the vertical plate portion 26a of the ceiling base receiving member 24. As a result, the vertical plate portion 26a is sandwiched between the first vertical plate contact portion 54 of the first member 51 and the second vertical plate contact portion 64 of the second member 52. Then, the first vertical plate contact portion 54, the vertical plate portion 26a, and the second vertical plate contact portion 64 are fixed by the screw V.

On the other hand, the upper flange portion 25b of the ceiling plate support member 23 is inserted into the notch 73 of the ceiling plate support member fixing portion 72 of the second member 52, and the second web contact portion 65 of the second member 52 is the ceiling plate support member. It abuts on the side surface of the web portion 25a of the 23. As a result, the web portion 25a is sandwiched between the first web contact portion 55 of the first member 51 and the second web contact portion 65 of the second member 52. Then, the first web contact portion 55, the web portion 25a, and the second web contact portion 65 are fixed by the screw V.

As described above, when the ceiling plate support member 23 and the ceiling base receiving member 24 are fixed by using the support device 50, the vertical plate portion 26a of the ceiling base receiving member 24 becomes the first vertical plate contact of the first member 51. It is sandwiched between the contact portion 54 and the second vertical plate contact portion 64 of the second member 52. As a result, the first vertical plate contact portion 54, the vertical plate portion 26a, and the second vertical plate contact portion 64 are overlapped and integrated, so that the fixing strength between the ceiling base receiving member 24 and the support device 50 is fixed. As the size increases, each member is less likely to be deformed.

On the other hand, the web portion 25a of the ceiling plate support member 23 is sandwiched between the first web contact portion 55 of the first member 51 and the second web contact portion 65 of the second member 52. As a result, the first web contact portion 55, the web portion 25a, and the second web contact portion 65 are overlapped and integrated, so that the fixing strength between the ceiling plate support member 23 and the support device 50 is increased. At the same time, each member is hard to be deformed.

Therefore, the fixing strength of the ceiling base receiving member 24 and the ceiling plate support member 23 is increased, so that the seismic performance of the ceiling structure 1 is improved. Further, the positional relationship between the ceiling base receiving member 24 and the ceiling plate support member 23 does not deviate. As a result, the ceiling plate 21 and the ceiling plate support member 23 are less likely to be displaced.

Further, in the support device 50, when the ceiling plate support member 23 is fixed to the ceiling base receiving member 24, the ceiling plate support member 23 is locked by inserting the upper flange portion 25b into the notch portion 62. The second member can be attached by temporarily fixing it to the first member 51. Therefore, construction is easy.

Further, in the support device 50, the upper horizontal plate portion 26b of the ceiling base receiving member 24 and the locking plate portion 53 of the first member 51 are inserted into the upper notch portion 70 of the second member 52, and the lower side plate portion 26b is inserted. The horizontal plate portion 26c is inserted into the lower notch portion 71 of the second member 52. That is, since the second member 52 is configured to mesh with the ceiling base receiving member 24, the fixing strength between the support device 50 and the ceiling base receiving member 24 is further increased.

Further, in the ceiling structure 1, since the lower flange portion 25c of the ceiling plate support member 23 is fitted into the concave groove 22 formed on the outer peripheral side surface of the ceiling plate 21, the fixing strength of the ceiling plate 21 is high. Further, the ceiling plate support member 23 extends in the corridor width direction, and when an earthquake that sways in the corridor longitudinal direction occurs, the adjacent ceiling plates 21 and 21 sway in the direction orthogonal to the lower flange portion 25c. .. At this time, since the ceiling plates 21 and 21 are integrated with the ceiling plate support member 23 with the lower flange portion 25c interposed therebetween, they are hard to come off from the ceiling plate support member 23. When an earthquake that sways in the width direction of the corridor occurs, the ceiling plate 21 and the ceiling plate support member 23 both come into contact with the wall 3 to suppress the sway, so that the ceiling plate 21 is hard to come off from the ceiling plate support member 23.

Although the embodiment for carrying out the present invention has been described above, the present invention is not limited to the above-described embodiment, and the material, shape, size, and the like can be appropriately changed without departing from the spirit of the present invention. is there. For example, in the above embodiment, the ceiling base receiving member 24 is arranged orthogonal to the horizontal member 10, and the ceiling plate support member 23 is arranged parallel to the horizontal member 10, but the present invention is limited to this. It is not something that is done. The ceiling base receiving member 24 may be arranged parallel to the horizontal member 10, and the ceiling plate support member 23 may be arranged orthogonal to the horizontal member 10. In this case, the shape of the ceiling base material fixing portion of the support member is different.

Further, in the above-described embodiment, the support members 30 are provided at two locations at both ends of the horizontal member 10, but the present invention is not limited thereto. When the horizontal member 10 is long, the support member 30 may be further provided in the intermediate portion and installed at three places, or a larger number of support members 30 may be installed.

1 Ceiling structure 2 Corridor 3 Wall 5 Runner 10 Horizontal material 11 Long material 20 Ceiling frame 21 Ceiling plate 23 Ceiling plate support member 24 Ceiling base receiving member 25a Web part 25b Upper flange part 25c Lower flange part 26a Vertical plate part 26b Horizontal Plate part 26c Horizontal plate part 30 Support member 31 Horizontal material fixing part 32 Ceiling base material fixing part 33 Water flat plate part 34 Hanging plate part 35 Side support plate part (fixed flange part)
36 Bottom support plate (fixed flange)
50 Support device 51 First member 52 Second member 53 Locking plate part 54 First vertical plate contact part 55 First web contact part 56a Horizontal plate part 56b Hanging plate part 56c Bending plate part 58 Locking piece 58a Protruding part 58b Overhanging part 59 Recessed part 62 Notch part 64 Second vertical plate contact part 65 Second web contact part 66 Groove type plate part 67 Bending plate part 70 Upper notch part 71 Lower notch 73 Notch

Claims (3)

It is provided with a ceiling frame to which a ceiling base material is assembled, a horizontal member bridged between walls facing each other, and a support member for supporting the ceiling frame on the horizontal member.
The horizontal member is formed by arranging a plurality of long members along each other.
At least one of the plurality of long members constituting the horizontal member is fixed to the wall of one of the walls facing each other.
At least one of the other long materials other than the long material fixed to the one wall is fixed to the other wall facing the one wall.
The long material fixed to one of the walls and the other long material other than this are slidable in the longitudinal direction.
The support member has a gantry shape and is arranged along the upper portion and the side portion of the horizontal member.
The ceiling base material is attached to the lower end of the support member.
A ceiling structure characterized in that the horizontal member is surrounded by the support member and the ceiling base material. The ceiling structure according to claim 1, wherein the horizontal member is fixed to the wall via a runner arranged along the wall. It is a support member that supports the ceiling base material on a horizontal member formed by arranging a plurality of long members along each other.
A gate-shaped horizontal member fixing portion along the upper portion and the side portion of the horizontal member, and a ceiling base material fixing portion located below the horizontal member fixing portion are provided.
The horizontal member fixing portion includes a horizontal plate portion placed on the horizontal member and a hanging plate portion hanging from both ends of the horizontal member.
The ceiling base material fixing portion includes a pair of fixing flange portions continuous with the lower end portion of the hanging plate portion of the horizontal member fixing portion.
A support member characterized in that the ceiling base material is bridged between the pair of fixed flange portions.

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