JP4126365B2 - Ceiling structure and construction method - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a ceiling structure and a construction method thereof. More specifically, the present invention relates to a ceiling structure of a building that is simplified in construction and easy to dismantle, and a construction method thereof.
[0002]
[Prior art]
Conventionally, a ceiling of a building has a structure in which a ceiling panel is screwed to a ceiling panel mounting member that is assembled to a ceiling beam by welding or screwing at a construction site.
[0003]
Thus, since the conventional ceiling has many welding operations and screwing operations at the construction site, the construction is not only complicated, but also the construction period is prolonged. Moreover, the ceiling panel mounting member is welded or screwed to the ceiling beam, and the ceiling panel is screwed to the ceiling panel mounting member, so that the disassembly is not easy, and the disassembled ceiling panel Reuse is also difficult.
[0004]
[Problems to be solved by the invention]
The present invention has been made in view of the problems of the prior art, and an object thereof is to provide a ceiling structure that can be easily disassembled and a construction method thereof that can be easily disassembled.
[0005]
[Means for Solving the Problems]
The ceiling structure of the present invention includes a ceiling panel pre-cut into a required shape, a receiving member disposed in a predetermined arrangement that supports a peripheral portion of the ceiling panel, and a holding portion that holds the receiving member. And a suspension member having a connecting member that connects the gripping part and the locking part, and a support beam for locking the locking part of the lifting tool by the locking part ,
The receiving member includes a receiving member main body in which a horizontal member and a main vertical member having a predetermined length are arranged in an inverted T shape, and left and right at a lower portion of the upper end portion while leaving the upper end portion of the main vertical member. A bowl-shaped member having a drop surface parallel to the main vertical member disposed symmetrically,
The gripping portion includes a movable member having a gripping claw at the lower end and a non-movable member having a gripping claw at the lower end,
The upper side portions of the movable member are side surfaces directed toward the upper inner side of the non-movable member,
In the lower part of the both side surfaces, there is a notch capable of accommodating the upper end portion of the main vertical member in a state where the gripping claws grip the hook-shaped member.
[0006]
In the ceiling structure of the present invention, the predetermined arrangement of the receiving members is arranged on the receiving members arranged in a predetermined direction, and the end surfaces thereof are arranged orthogonal to the side surfaces of the receiving members arranged in the predetermined direction. The receiving member is fixed to the side surface of the receiving member having one piece disposed in the predetermined direction, and the other piece is orthogonal to the end side surface of the receiving member disposed in the predetermined direction. This is done by connecting with a fixed connecting member.
[0007]
Moreover, the preferable form of the ceiling structure of this invention shall be equipped with the ceiling panel pressing member latched by the said receiving member and pressing a ceiling panel.
[0008]
On the other hand, the construction method of the ceiling structure of the present invention includes a ceiling panel precut into a required shape, a receiving member that supports a peripheral portion of the ceiling panel, a gripping part that holds the receiving member, a locking part, and the gripping A ceiling structure construction method using a required number of suspension members each having a connection member that connects the connection portion and the engagement portion, and support beams that engage the engagement portions of the suspension device with the engagement portions,
The receiving member includes a receiving member main body in which a horizontal member and a main vertical member having a predetermined length are arranged in an inverted T shape, and left and right at a lower portion of the upper end portion while leaving the upper end portion of the main vertical member. A bowl-shaped member having a drop surface parallel to the main vertical member disposed symmetrically,
The gripping portion includes a movable member having a gripping claw at the lower end and a non-movable member having a gripping claw at the lower end,
The upper side portions of the movable member are side surfaces directed toward the upper inner side of the non-movable member,
At the lower part of the both side surfaces, with the gripping claw gripping the bowl-shaped member, it has a notch that can accommodate the upper end of the main vertical member,
A procedure for disposing the support beam at a predetermined position;
A procedure of disposing the receiving member at a predetermined position;
While grasping the receiving member while lowering the gripping portion from above the main vertical member, the procedure of locking the locking portion to the locking portion of the support beam,
And a procedure for placing a ceiling panel on the receiving member.
[0009]
In the construction method of the ceiling structure of the present invention, it is preferable that a procedure for pressing the ceiling panel by the ceiling panel pressing member is added.
[0010]
[Action]
Since the ceiling structure of the present invention is configured as described above, there is no welding work at the construction site, and there are almost no screws or screwing work at the construction site. Therefore, the construction is remarkably simplified and the construction period is remarkably shortened.
[0011]
In addition, since there are no on-site welding points and there are almost no screws or screwing points, the disassembly is easy and the members can be easily reused after disassembly.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, the present invention will be described based on an embodiment with reference to the accompanying drawings, but the present invention is not limited to the embodiment.
[0013]
A ceiling structure according to an embodiment of the present invention is shown in a perspective view of a main part in FIG. 1 and in a longitudinal sectional view in FIG. The ceiling structure K includes a ceiling panel 10, a receiving member 20 that receives the peripheral edge 11 of the ceiling panel 10, a hanging tool 30 that suspends the receiving member 20, a ceiling panel press 40 that holds the ceiling panel 10, The support beam 50 that supports the hanger 30 is a main component. Here, the ceiling panel 10 has a required shape, for example, a shape precut into a square or a rectangle.
[0014]
The receiving member 20 is made of hard synthetic resin, aluminum alloy, or the like. As shown in FIG. 3, the receiving member main body 21 in which the horizontal member 22 and the main vertical member 23 are arranged in an inverted T shape, and the horizontal member 22. A stopper (small vertical member) 24 formed vertically at a predetermined distance from the main vertical member 23, and hook-like members 25, 25 arranged symmetrically at appropriate positions above the main vertical member 23 and exhibiting a wedge shape. For example, it is manufactured by extrusion molding. As shown in FIG. 3, the tip of the flange-shaped member 25 is a vertical drop surface 25a. And this receiving member 20 is arrange | positioned at the grid | lattice form corresponding to the height position of the ceiling panel 10 (refer FIG. 1). Further, a positioning hole 23b is provided in the side surface 23a of the main vertical member 23 of the receiving member 20 so as to be fitted with a positioning projection provided in a positioning portion of a connecting member which will be described later.
[0015]
The grid-like arrangement of the receiving member 20 is arranged in the vertical direction (or horizontal direction) on the side surface 23a of the main vertical member 23 of the receiving member 20A arranged in the horizontal direction (or vertical direction). This is done by connecting the ends of the receiving member 20B. As shown in FIGS. 3 and 4, this connection is made by using a connection member 60 formed by forming a thin plate in an L shape. As shown in FIG. 3, the connecting member 60 includes a positioning portion 62 formed at the upper center of the piece 61 and fixing portions 63 formed on both sides of the positioning portion 62. The positioning portion 62 has positioning protrusions 64 that are disposed at predetermined positions on the surface in contact with the main vertical member 23 and fit into the positioning holes 23b. The fixing portion 63 has an arc piece 65 that is bent and formed with appropriate elasticity on the side opposite to the surface in contact with the main vertical member 23. Further, as shown in FIG. 3, the connecting portion 60a between the pieces 61, 61 of the joining member is provided with notches 66, 67 over a predetermined range at the lower and upper portions thereof, and the small vertical member 24 of the receiving member 20 and Interference with the drop surface 25a of the bowl-shaped member 25 is avoided.
[0016]
Thus, the connection members 70 and 20 are connected to each other by connecting one piece 71 of the connection member 70 to the main vertical member 23 of the receiving member 20A in the horizontal direction (or the vertical direction), the hook-shaped member 25, and the like. It is fitted between the small vertical member 24, and the positioning projection 74 is fitted into the positioning hole 23b provided in the side surface 23a of the main vertical member 23, and then the other piece 71 is connected to the side surface of the member main body 21. Is fitted between the main vertical member 23 and the flange-like member 25 and the small vertical member 24 at the end of the vertical (or horizontal) receiving member 20B, and the positioning projection 74 is disposed on the side surface of the main vertical member 23. This is done by fitting into a positioning hole 23b provided in 23a. In this case, since the piece 71 of the connecting member 70 is provided with a fixing portion 73 having an arc piece 75 that is bent and formed with appropriate elasticity on the side opposite to the abutting surface. by the arc piece 75 is sandwiched between the main vertical member 23 and Hisashijo member 25, a force that urges the piece 71 to the fixing unit 7 3 are provided in the main vertical member 23 occurs. Therefore, the positioning protrusion 74 does not come off from the positioning hole 23b. Further, since the positioning projection 74 does not come off from the positioning hole 23b, the connection between the receiving members 20 and 20 will not come off.
[0017]
In addition, as shown in FIG. 5, the connection member 70 is used for the surrounding edge 2 formed in the same edge as the one side of the receiving member 20 arrange | positioned at the wall surface side end of the receiving member 20 as shown in FIG. Connected. In this case, positioning and fixing of the piece 71 positioned on the peripheral edge 2 of the connecting member 70 is performed by screw fixing as shown in the figure.
[0018]
As shown in FIGS. 6 and 7, the hanger 30 includes a rod 31 having screw portions 31 a and 31 b at least at both ends, a gripping portion 32 screwed to one end portion of the rod 31, and the other end portion. And a locking portion 33 that is screwed to the head.
[0019]
As shown in FIG. 6, the grip portion 32 includes a movable member 34 having a grip claw 34 a at the lower end and a non-movable member 35 having a grip claw 35 a at the lower end. Specifically, the upper end 34b of the flat plate-like movable member 34 is formed by bending the lower end portion of the gripping claw 34a, and the holding claw 35a formed by bending the lower end portion of the flat plate-like non-movable member 35. And a coil spring 37 is mounted on the base end side 36a with a gap that allows the upper end of the main vertical member 23 of the receiving member 20 to be inserted between the opposing surfaces of both gripping claws 34a and 35a. The movable member 34 is bolted to the upper end portion 35 b of the non-movable member 35 by a bolt 36 in a state parallel to the non-movable member 35. The through hole 34c of the bolt 36 of the movable member 34 is adjusted to a size that allows the movable member 34 to be expanded later.
[0020]
Further, as shown in FIG. 6, both upper side portions of the movable member 34 are side surfaces 34d facing the upper inner side of the non-movable member 35, and gripping claws 34a and 34b are received below the both side surfaces 34d. A notch 34e is provided so that the upper end portion 23c of the main vertical portion 23 of the receiving member 20 can be accommodated in a state where the hook-like member 25 of the member 20 is gripped. Further, both lower side portions of the movable member 34 are open side surfaces 34f as shown in FIG. 6, whereby a portion located between the movable member 34 and the non-movable member 35 of the bowl-shaped member 25 of the receiving member 20 is The movable member 34 and the non-movable member 35 can be accommodated.
[0021]
Since the gripping portion 32 is configured as described above, the gripping portion 32 descends from above the main vertical member 23 of the receiving member 20, and the upper end of the main vertical member 23 of the receiving member 20 is not in contact with the gripping claws 34 a of the movable member 34. When the gripping claws 35a and 35a are inserted between the gripping claws 35a of the movable member 35 and then the gripping claws 34a and 35a come into contact with the hook-like members 25 and 25, the hook-like members 25 and 25 have a wedge shape as described above. Therefore, the movable member 34 is expanded by the hook-shaped member 25. When the gripping portion 32 is still lowered in this state, the movable member 34 is lowered along the hook-shaped member 25 while being still pushed and expanded by the hook-shaped member 25. In response to the lowering of the movable member 34, the non-movable member 35 is also lowered along the bowl-shaped member 25. When the movable member 34 continues to be pushed and spread by the hook-shaped member 25 and descends along the hook-shaped member 25 and passes through the lower end of the dropping surface 25a, the movable member 34 is elastically restored by the restoring force of the coil spring 37. Thus, the lower end of the drop surface 25a of the bowl-shaped member 25 is placed on the gripping claws 34a of the movable member 34 and the gripping claws 35a of the non-movable member 35, and the upper end portion 23c of the main vertical member 23 is the upper side surface of the movable member 34. The hook-like member 25 that is inserted into the notch 34e provided on the bottom and includes the dropping surface 25a is housed between the lower part of the movable member 34 and the lower part of the non-movable member 35. That is, the receiving member 20 is gripped by the grip portion 32.
[0022]
Further, as shown in FIG. 6, a U-shaped connecting member 38 is integrally provided at the upper end of the non-movable member 35 so that the lower piece 38a covers the upper end of the movable member 34. The threaded portion 31a at the lower end of the rod 31 is inserted at a position substantially corresponding to the main vertical member 23 of the receiving member 20 of the upper piece 38b, and is arranged vertically on the threaded portion 31a below the rod 31 with the upper piece 38b interposed therebetween. A double nut is fastened by a pair of nuts 38c, 38c.
[0023]
On the other hand, as shown in FIG. 6, the locking portion 33 is configured by forming a vertical member 33 a and a horizontal member 33 b into an L shape. A hook 33c that is locked to a lip (locking portion) 51 of a lip groove beam (support beam) 50 provided at a predetermined position is formed integrally with the upper portion of the vertical member 33a. An internal thread 33d is formed in a substantially central portion. The hook 33c has a wide guide portion 33g formed by bending a lower portion 33f outward (see FIG. 6). And the upper end part of the rod 31 is screwed by the internal thread 33d formed in this horizontal member 33b.
[0024]
Therefore, the receiving member 20 is hung by the hanger 30 having such a configuration as follows. First, the upper portion of the main vertical member 23 of the receiving member 20 is grasped by the grasping portion 32 in a state where the length of the rod 31 can be adjusted by loosening the nuts 38c, 38c screwed to the screw portion 31a at the lower end portion. Let Next, the locking portion 33 screwed to the screw portion 31 b at the upper end of the rod 31 is locked to the lip 61 of the lip groove steel 50. After that, the nuts 38c, 38c screwed to the threaded portion 31a of the lower end portion of the rod 31 are tightened to fix the rod 31 to the upper piece 38b of the connecting member 38 by double nut fastening. Thereby, the suspension of the receiving member 20 by the hanging tool 30 is completed.
[0025]
As shown in FIG. 6, the ceiling panel presser 40 holds the gripping portion 41 that grips the main vertical member 23 of the receiving member 20 and the upper surface of the peripheral edge 11 of the ceiling panel 10 (the surface opposite to the indoor side surface). It consists of a letter-shaped pressing part 42.
[0026]
The gripping portion 41 includes a movable member 43 and a non-movable member 44 that are configured in substantially the same manner as the gripping portion 32 of the hanging tool 30 described above, but can easily grip the upper end of the main vertical member 23 of the receiving member 20. Therefore, the movable member 43 is provided with an operation piece 43b in which the central portion of the gripping claw 43a is bent downward to be flush with the flat plate-like movable member 43. Further, the non-movable member 44 is provided with a connecting piece 44b in which the central portion of the gripping claw 44a is bent downward to be flush with the flat plate-like non-movable member 44. The upper end of the vertical member 45 of the L-shaped pressing portion 42 is integrally connected to the lower end of the connection piece 44b with the horizontal member 46 facing the opposite side of the main vertical member 23 of the receiving member 20. ing.
[0027]
Next, construction of the ceiling structure K having such a configuration will be described.
[0028]
(1) A lip groove steel (support beam) 50 is disposed at a predetermined position.
[0029]
(2) The suspension member 30 supports the receiving member 20 while arranging the receiving member 20 in a predetermined arrangement corresponding to the position of the ceiling panel 10. That is, the locking portion 33 of the lifting tool 30 that holds the receiving member 20 by the gripping portion 32 is locked to the lip 51 of the lip groove steel 50.
[0030]
(3) Place the peripheral edge 11 of the ceiling panel 10 on the horizontal member 22 of the member 20.
[0031]
(4) The ceiling panel presser 40 is disposed at an appropriate position of the receiving member 20, and the upper surface of the peripheral edge 11 of the ceiling panel 10 is pressed by the presser part 42.
[0032]
As described above, according to this embodiment, the number of spot welding sites is zero, and there are almost no screws or screw fastening points in the field construction. Therefore, the operation is remarkably simplified and the construction period is remarkably shortened. In addition, since there are no on-site welding points and there are almost no screws or screw-fastening points in the field construction, the dismantling operation is remarkably simplified and the reuse of the members after disassembly is facilitated.
[0033]
As described above, the present invention has been described based on the embodiment, but the present invention is not limited to the embodiment, and various modifications can be made. For example, in the embodiment, the upper portion of the rod is only screwed to the female screw provided in the locking portion, but a nut is screwed to the portion protruding from the female screw on the upper portion of the rod, so-called double nut structure. Thus, it may be possible to prevent loosening. Further, in this embodiment, the support beam is a lip groove type steel, but the support beam is not limited to the lip groove type steel, and can be various types of steel and steel pipes, for example, a hanging tool at the lower part. It can also be set as the steel pipe with which the locking member with a locking part was equipped.
[0034]
【The invention's effect】
As described above in detail, according to the present invention, the following excellent effects can be obtained.
[0035]
(1) The ceiling can be constructed on site without any welding work.
[0036]
(2) Since the processing at the construction site can be made zero, the construction quality is improved.
[0037]
(3) Since there is no welding work at the construction site and there are almost no screws or screwing points at the construction site, the construction is simplified and the construction period is remarkably shortened.
[0038]
(4) Since there is no welding work at the construction site, and there are almost no screws or screw fastening points at the construction site, the dismantling work is simplified and the reuse of the members after dismantling is facilitated.
[Brief description of the drawings]
FIG. 1 is a perspective view of a main part of a ceiling structure according to an embodiment of the present invention.
FIG. 2 is a longitudinal sectional view of the ceiling structure.
FIG. 3 is a perspective view of a receiving member used in the ceiling structure, and shows a connection part between the receiving members separately.
FIG. 4 is a perspective view of a receiving member used in the ceiling structure, and shows a connection portion between the receiving members.
FIG. 5 is a detailed view of a connection portion with a wall of a receiving member used in the ceiling structure.
FIG. 6 is a front view of a hanging tool used in the ceiling structure.
FIG. 7 is a side view of a hanging tool used in the ceiling structure.
FIG. 8 is a front view of a ceiling panel pressing member used in the ceiling structure.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Ceiling panel 11 Peripheral part 20 Receiving member 21 Receiving member main body 22 Horizontal member 23 Main vertical member 25 Gutter-shaped member 30 Suspension tool 31 Rod 32 Gripping part 33 Locking part 36 Bolt 37 Coil spring 38 Connection member 40 Ceiling panel presser 41 Gripping part 42 Holding part 50 Support beam, Lip groove steel 51 Locking part, Lip K Ceiling structure

Claims (5)

A ceiling panel pre-cut into a required shape; a receiving member disposed in a predetermined arrangement for supporting a peripheral portion of the ceiling panel; a gripping part that holds the receiving member; a locking part; the gripping part; A suspension device having a connection member for connecting the stopper, and a support beam for locking the locking portion of the suspension by the locking portion ,
The receiving member includes a receiving member main body in which a horizontal member and a main vertical member having a predetermined length are arranged in an inverted T shape, and left and right at a lower portion of the upper end portion while leaving the upper end portion of the main vertical member. A bowl-shaped member having a drop surface parallel to the main vertical member disposed symmetrically,
The gripping portion includes a movable member having a gripping claw at the lower end and a non-movable member having a gripping claw at the lower end,
The upper side portions of the movable member are side surfaces directed toward the upper inner side of the non-movable member,
The ceiling structure according to claim 1, further comprising a notch that can accommodate an upper end portion of the main vertical member in a state where the gripping claws grip the hook-shaped member at a lower portion of the both side surfaces.   A predetermined arrangement of the receiving members includes a receiving member arranged in a predetermined direction, and a receiving member arranged so that an end surface thereof is orthogonal to a side surface of the receiving member arranged in the predetermined direction. A piece is fixed to the side surface of the receiving member arranged in the predetermined direction, and the other piece is connected by a connecting member fixed perpendicular to the end side surface of the receiving member arranged in the predetermined direction. The ceiling structure according to claim 1, wherein the ceiling structure is made.   The ceiling structure according to claim 1, further comprising a ceiling panel pressing member that is locked to the receiving member and presses the ceiling panel. A ceiling panel pre-cut into a required shape, a receiving member that supports a peripheral portion of the ceiling panel, a gripping portion that grips the receiving member, a locking portion, and a connection member that connects the gripping portion and the locking portion. A ceiling structure construction method using a required number of suspension tools and a supporting beam for locking the suspension portion of the suspension device by the engagement portion,
The receiving member includes a receiving member main body in which a horizontal member and a main vertical member having a predetermined length are arranged in an inverted T shape, and left and right at a lower portion of the upper end portion while leaving the upper end portion of the main vertical member. A bowl-shaped member having a drop surface parallel to the main vertical member disposed symmetrically,
The gripping portion includes a movable member having a gripping claw at the lower end and a non-movable member having a gripping claw at the lower end,
The upper side portions of the movable member are side surfaces directed toward the upper inner side of the non-movable member,
At the lower part of the both side surfaces, with the gripping claw gripping the bowl-shaped member, it has a notch that can accommodate the upper end of the main vertical member ,
A procedure for disposing the support beam at a predetermined position;
A procedure of disposing the receiving member at a predetermined position;
While grasping the receiving member while lowering the gripping portion from above the main vertical member, the procedure of locking the locking portion to the locking portion of the support beam,
A procedure for placing a ceiling panel on the receiving member;
A method for constructing a ceiling structure, comprising: The method for constructing a ceiling structure according to claim 4 , further comprising a step of pressing the ceiling panel with the ceiling panel pressing member.

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