JP7079682B2 - Ceiling panel mounting jig - Google Patents

Description

The present invention relates to a ceiling panel mounting jig.

As the ceiling of a building such as a building, a system ceiling including a support frame and a ceiling panel supported by the support frame is used. The support frame extends in the horizontal direction and has a substantially inverted T-shape in cross section. A plurality of such support frames are provided in parallel with each other at intervals in the horizontal direction. The ceiling panel is provided between the support frames adjacent to each other by placing both ends thereof on the support frame.
In such a system ceiling, an inspection port may be provided in order to inspect the equipment installed in the attic space above the system ceiling. Therefore, it is desired that the ceiling panel constituting the system ceiling can be opened and closed.

For example, Patent Document 1 discloses a configuration in which one end of a ceiling panel is rotatably supported by a support frame. In this configuration, support metal fittings are provided on the support frames located on both sides of one end of the ceiling panel. The support metal fitting is provided with a support rod that protrudes in a direction orthogonal to the support frame. A receiving metal fitting having a substantially inverted T-shaped cross section is provided between the supporting metal fittings on both sides, and both ends of the receiving metal fitting are rotatably supported by the support rod. One end of the ceiling panel is engaged with this bracket. The other end of the ceiling panel is mounted on a bracket with which one end of another adjacent ceiling panel is engaged. According to such a configuration, the ceiling panel can be opened and closed by rotating around the support rod.
However, in the configuration as disclosed in Patent Document 1, when the system ceiling is constructed, the support metal fitting is attached to the support frame, the receiving metal fitting is engaged with the ceiling panel, the receiving metal fitting is engaged with the support rod, and the like. Work is required and construction is time-consuming.

Further, Patent Document 2 discloses that a plurality of ceiling panels constituting the system ceiling are composed of two types, a movable panel and a fixed panel. In this configuration, the movable panel is not fixed to the support frame but is simply mounted on the support frame. As a result, the movable panel can be easily opened and closed by pushing it up from the indoor space side below the ceiling panel.
However, with such a configuration, if the support frame is deformed or misaligned during an earthquake or the like, the movable panel may fall. In addition, by lowering the pressure in the ceiling space above the system ceiling to be lower than the pressure in the indoor space below the system ceiling, when performing air conditioning or smoke exhaust, the pressure difference between the indoor space and the ceiling space causes The movable panel may be lifted.

Jitsukaihei 7-29125 Gazette Japanese Unexamined Patent Publication No. 2000-2041710

An object of the present invention is to provide a ceiling panel mounting jig that can be easily opened and closed while securely fixing the ceiling panel while having a simple configuration.

The present invention employs the following means in order to solve the above problems.
That is, the ceiling panel mounting jig of the present invention is a ceiling panel mounting jig for mounting a plate-shaped ceiling panel between a plurality of support frames provided at intervals in the horizontal direction, and is fixed to the ceiling panel. In addition, a first member arranged on the upper side of the support frame, a second member arranged on the lower side of the support frame, and a connecting member for connecting the first member and the second member are provided. The second member is movable between a position facing the first member across the support frame and a position retracted from a position facing the first member across the support frame. It is characterized by being provided.

According to such a configuration, the first member is arranged on the upper side of the support frame, the second member is arranged at a position facing the first member across the support frame, and the first member and the second member are arranged as a coupling member. To combine with. As a result, the ceiling panel is securely fixed by the first member and the second member that sandwich the support frame. Further, by moving the second member from the position facing the first member to the retracted position across the support frame, the ceiling panel is released from the state where the support frame is sandwiched between the first member and the second member. Will be done. As a result, the ceiling panel can be removed from the support frame to form an opening between the support frames and used as an inspection port or the like. In this way, the ceiling panel can be easily opened and closed only by retracting the second member from the position facing the first member across the support frame. Further, since the first member and the second member are only connected by the connecting member, the configuration is simple. Therefore, although it has a simple structure, it can be easily opened and closed while the ceiling panel is securely fixed.

In one aspect of the present invention, the ceiling panel mounting jig of the present invention is a magnet in which the coupling member is fixed to one of the first member and the second member, and the first member and the second member. The other is made of magnetic material.

According to such a configuration, a magnet fixed to one of the first member and the second member can be magnetized to the other of the first member and the second member. As a result, the first member arranged on the upper side of the support frame and the second member arranged at a position facing the first member across the support frame can be connected, and the ceiling panel can be securely fixed. Further, by pulling the other of the first member and the second member away from the magnet, the second member can be moved to a position retracted from the position facing the first member with the support frame interposed therebetween. As a result, the ceiling panel is released from the state in which the support frame is sandwiched between the first member and the second member, and the ceiling panel can be easily opened and closed.

In one aspect of the present invention, the ceiling panel mounting jig of the present invention is a screw member in which the connecting member penetrates the ceiling panel and connects the first member and the second member. The member is slidably provided along the lower surface of the ceiling panel with respect to the screw member.

According to such a configuration, the first member and the second member are fastened by the screw member in a state where the second member is arranged at a position facing the first member with the support frame interposed therebetween. As a result, the first member arranged on the upper side of the support frame and the second member arranged at a position facing the first member across the support frame can be connected, and the ceiling panel can be securely fixed. Further, with the screw member loosened, the second member can be slid with respect to the screw member along the lower surface of the ceiling and moved to a position retracted from the position facing the first member across the support frame. .. As a result, the ceiling panel is released from the state in which the support frame is sandwiched between the first member and the second member, and the ceiling panel can be easily opened and closed.

In one aspect of the present invention, in the ceiling panel mounting jig of the present invention, the second member is formed on a flat surface portion facing the first member with the support frame interposed therebetween and a lower surface of the support frame. It is integrally provided with an insertion piece to be inserted into the groove.

According to such a configuration, when the insertion piece of the second member is inserted into the groove portion of the support frame, it is possible to suppress the second member from moving in the direction in which the groove portions intersect in the continuous direction. As a result, it is possible to prevent the second member from being displaced from the support frame, and the ceiling panel can be reliably fixed.

According to the present invention, although it has a simple structure, it can be easily opened and closed while the ceiling panel is securely fixed.

It is a perspective view which looked at the ceiling system which concerns on 1st Embodiment of this invention from diagonally below. It is a perspective view which shows the state which the ceiling panel was removed in the ceiling system of FIG. It is sectional drawing which shows the mounting structure of the ceiling panel by the ceiling panel mounting jig in the ceiling system of FIG. It is a perspective view which shows a part of the ceiling panel mounting jig in the ceiling system of FIG. It is a perspective development view which looked at the ceiling system which concerns on 2nd Embodiment of this invention from diagonally above. It is sectional drawing which shows the mounting structure of the ceiling panel by the ceiling panel mounting jig in the ceiling system of FIG. It is a perspective development view which shows the ceiling panel mounting jig in the ceiling system of FIG. FIG. 5 is a cross-sectional view showing a state in which the lower plate of the ceiling panel mounting jig is slid in the ceiling system of FIG.

Hereinafter, a mode for carrying out the ceiling panel mounting jig according to the present invention will be described with reference to the accompanying drawings.
(First Embodiment)
FIG. 1 shows a perspective view of the ceiling system according to the first embodiment of the present invention as viewed from diagonally below. FIG. 2 shows a perspective view showing a state in which the ceiling panel is removed in the ceiling system of FIG. FIG. 3 shows a cross-sectional view showing a ceiling panel mounting structure using a ceiling panel mounting jig in the ceiling system of FIG. FIG. 4 shows a perspective view showing a part of the ceiling panel mounting jig in the ceiling system of FIG.

As shown in FIGS. 1, 2, and 3, the ceiling system 1A includes a support frame 2, a ceiling panel 10A, and a ceiling panel mounting jig 20A.
The support frame 2 is provided by suspending it from a ceiling slab (not shown) constituting a part of the building frame via a hanging metal fitting 3 (see FIG. 3). The support frame 2 extends in the horizontal direction. Such support frames 2 are arranged in parallel with each other at intervals in the horizontal direction orthogonal to the stretching direction of the support frame 2. Further, in the present embodiment, the support frames 2 are provided so as to extend along two directions intersecting each other in the horizontal plane, and are arranged in a grid pattern when viewed from below.
As shown in FIG. 3, the support frame 2 includes support members 4 at predetermined intervals along the stretching direction thereof. The support member 4 includes a shaft portion 4a extending vertically upward from the support frame 2 and a connecting portion 4b provided at the upper end portion of the shaft portion 4a and connected to the hanging metal fitting 3.
The support frame 2 has a substrate portion 2a orthogonal to the shaft portion 4a, a pair of side wall portions 2b extending vertically downward from both sides in the width direction of the substrate portion 2a, and a pair of side wall portions 2b in the width direction of the support frame 2. It integrally has a folded-back portion 2c extending inward. On the lower surface of the support frame 2, a groove 5 continuous in the extending direction of the support frame 2 is formed between the folded portions 2c on both sides in the width direction.

As shown in FIGS. 1 and 2, the ceiling panel 10A has a rectangular shape (square shape) in a plan view and has a predetermined plate thickness. The ceiling panel 10A is formed of, for example, a glass fiber pulp mixed extract sheet (for example, "Carlton (trade name: manufactured by Nohara Sangyo Co., Ltd.)" using glass fiber and pulp as main raw materials. The ceiling panel 10A is horizontal. The ceiling panel 10A is provided between the support frames 2 adjacent to each other in the direction. In the present embodiment, the ceiling panel 10A is mounted on the substrate portion 2a on the four side support frames 2 provided in a grid pattern. It is installed in place.

The ceiling panel mounting jig 20A attaches the ceiling panel 10A to the support frame 2 in a detachable manner. The ceiling panel mounting jig 20A is provided at at least two corners of the ceiling panel 10A having a rectangular shape in a plan view. In the present embodiment, the ceiling panel mounting jig 20A is provided at two diagonally located corners of the ceiling panel 10A. The ceiling panel mounting jig 20A may be provided at three or more corners of the ceiling panel 10A.
As shown in FIG. 3, the ceiling panel mounting jig 20A includes an upper plate (first member) 21A, a lower plate (second member) 22A, and a magnet (coupling member) 23.

The upper plate 21A is provided at a corner of the ceiling panel 10A. The upper plate 21A has a pentagonal shape in a plan view and is fixed to the lower surface 10b of the ceiling panel 10A with an adhesive or the like. The lower surfaces of the two orthogonal sides of the upper plate 21A are in contact with the upper surface of the substrate portion 2a of the support frame 2. As a result, the upper plate 21A is arranged on the upper side of the support frame 2. The upper plate 21A is made of a magnetic material such as an iron-based material.
As shown in FIG. 3, the lower plate 22A is arranged below the support frame 2. As shown in FIG. 4, the lower plate 22A includes a flat surface portion 22p having a pentagonal shape in a plan view and an insertion piece 22s standing orthogonally to the flat surface portion 22p from two sides orthogonal to each other on one side of the flat surface portion 22p. , A cover piece 22t that stands up in the same direction as the insertion piece 22s from the other side of the flat surface portion 22p is integrally provided. The cover piece 22t has substantially the same height as the support frame 2.
The magnet 23 is fixed to the upper side of the flat surface portion 22p of the lower plate 22A by an adhesive or the like. The magnet 23 is provided on the side where the insertion piece 22s stands up from the flat surface portion 22p with respect to the flat surface portion 22p. The magnet 23 has substantially the same height as the support frame 2.

As shown in FIG. 3, in such a lower plate 22A, the flat surface portion 22p is abutted against the folded-back portion 2c on the lower surface of the support frame 2, and the support frame 2 is sandwiched between the lower plate 22A and the upper plate 21A in the vertical direction. It is provided so as to face each other. In this state, the magnet 23 is magnetically attached to the upper plate 21A made of a magnetic material. The upper plate 21A and the lower plate 22A are coupled to each other via the magnet 23. Further, the insertion pieces 22s formed on the two sides of the lower plate 22A are inserted into the grooves 5 formed on the lower surfaces of the two support frames 2 orthogonal to each other. The cover piece 22t of the lower plate 22A is arranged so as to close between the flat surface portion 22p and the upper plate 21A, covers the magnet 23, and suppresses the exposure of the magnet 23.
Since the lower plate 22A is magnetically attached to the upper plate 21A by the magnet 23, it can be attached to and detached from the upper plate 21A. As a result, the lower plate 22A moves the lower plate 22A and the magnet 23 downward and separates the magnet 23 from the upper plate 21A, as shown by the alternate long and short dash line in FIG. 3, thereby causing the lower plate 22A and the upper plate 21A. The bond with is broken. That is, the lower plate 22A can be moved between the position P1 facing the upper plate 21A across the support frame 2 and the position P2 retracted from the position P1 facing the upper plate 21A sandwiching the support frame 2. It is provided.

Further, as shown in FIG. 2, a magnetic tape 29 continuous in the circumferential direction is provided on the outer peripheral portion of the ceiling panel 10A except for the portion where the upper plate 21A is provided. The magnetic tape 29 is magnetically attached to the upper surface of the support frame 2. As a result, the ceiling panel 10A is also fixed to the support frame 2 by the magnetic tape 29.

As shown in FIG. 3, in order to mount the ceiling panel 10A, first, the ceiling panel 10A integrally provided with the upper plate 21A is placed on the support frame 2. At this time, the ceiling panel 10A is temporarily fixed to the support frame 2 by magnetizing the magnetic tape 29 (see FIG. 2) to the support frame 2. Next, the lower plate 22A is brought closer to the position facing the upper plate 21A on the lower side of the support frame 2. Then, the magnet 23 provided integrally with the lower plate 22A magnetically adheres to the upper plate 21A. As a result, the lower plate 22A and the upper plate 21A are connected with the support frame 2 interposed therebetween. In this state, the ceiling panel 10A is fixed to the support frame 2 by the ceiling panel mounting jig 20A.
When removing the ceiling panel 10A, the lower plate 22A is pulled downward from below the ceiling panel 10A. Then, the magnetism between the magnet 23 and the upper plate 21A is released, and the coupling between the lower plate 22A and the upper plate 21A is released. By removing the lower plate 22A from the upper plate 21A in this way, the ceiling panel 10A can be moved upward. As a result, as shown in FIG. 2, an opening K is formed at the position where the ceiling panel 10A is attached, and it can be used as an inspection port or the like.
If the support frame 2 is made of a magnetic material, the removed upper plate 21A may be magnetically attached to the support frame 2 or the like around the opening K by the magnetic force of the magnet 23.

According to the ceiling panel mounting jig 20A as described above, the ceiling panel mounting jig 20A for mounting the plate-shaped ceiling panel 10A between a plurality of support frames 2 provided at intervals in the horizontal direction is supported. The lower plate 22A includes an upper plate 21A arranged on the upper side of the frame 2, a lower plate 22A arranged on the lower side of the support frame 2, and a magnet 23 for connecting the upper plate 21A and the lower plate 22A. The position P1 facing the upper plate 21A across the support frame 2 and the position P2 retracted from the position P1 facing the upper plate 21A across the support frame 2 are movably provided.
According to such a configuration, the upper plate 21A fixed to the ceiling panel 10A is arranged on the upper side of the support frame 2, and the lower plate 22A is arranged at the position P1 facing the upper plate 21A across the support frame 2. As a result, the ceiling panel 10A is securely fixed by the upper plate 21A and the lower plate 22A that sandwich the support frame 2. Further, by moving the lower plate 22A from the position P1 facing the upper plate 21A to the position P2 retracted from the position P1 facing the upper plate 21A across the support frame 2, the ceiling panel 10A uses the upper plate 21A and the lower plate 22A to make the support frame 2. It is released from the pinched state. Thereby, the ceiling panel 10A can be removed from the support frame 2 to form the opening K. In this way, the ceiling panel 10A can be easily opened and closed only by retracting the lower plate 22A from the position P1 facing the upper plate 21A with the support frame 2 interposed therebetween. Further, the ceiling panel mounting jig 20A has a simple configuration because the upper plate 21A and the lower plate 22A are only connected by a magnet 23. Therefore, according to the ceiling panel mounting jig 20A, the ceiling panel 10A can be easily opened and closed while being securely fixed in spite of its simple structure.

Further, the magnet 23 is fixed to the lower plate 22A, and the upper plate 21A is made of a magnetic material. According to such a configuration, the magnet 23 fixed to the lower plate 22A can be magnetized on the upper plate 21A. As a result, the upper plate 21A arranged on the upper side of the support frame 2 and the lower plate 22A arranged at the position P1 facing the upper plate 21A across the support frame 2 are connected, and the ceiling panel 10A is securely fixed. Can be done. Further, by pulling the lower plate 22A and the magnet 23 away from the upper plate 21A, the lower plate 22A can be moved to the position P2 retracted from the position P1 facing the upper plate 21A across the support frame 2. As a result, the ceiling panel 10A is released from the state in which the support frame 2 is sandwiched between the upper plate 21A and the lower plate 22A, and the ceiling panel 10A can be easily opened and closed.

Further, the lower plate 22A integrally includes a flat surface portion 22p facing the upper plate 21A with the support frame 2 interposed therebetween, and an insertion piece 22s inserted into the groove portion 5 formed on the lower surface of the support frame 2.
According to such a configuration, by inserting the insertion piece 22s of the lower plate 22A into the groove 5 of the support frame 2, the lower plate 22A is prevented from moving in the horizontal direction where the grooves 5 intersect in a continuous direction. be able to. As a result, it is possible to prevent the lower plate 22A from being inadvertently displaced from the support frame 2, and the ceiling panel 10A can be reliably fixed.

(Modified example of the first embodiment)
The ceiling panel mounting jig of the present invention is not limited to the above-described embodiment described with reference to the drawings, and various modifications can be considered within the technical scope thereof.
For example, in the above embodiment, the magnet 23 is provided on the lower plate 22A, but the magnet 23 may be fixed to the upper plate 21A and the lower plate 22A may be formed from a magnetic material on which the magnet 23 is magnetized. ..
Further, in the above embodiment, the upper plate 21A is provided on the lower surface 10b of the ceiling panel 10A, but if the magnet 23 can be magnetized to the upper plate 21A by the magnetic force of the magnet 23, the upper plate 21A May be provided on the upper surface of the ceiling panel 10A.
Further, in the above embodiment, the ceiling panel 10A is formed of, for example, a glass fiber pulp mixed extract sheet containing glass fiber and pulp as main raw materials, but in addition to this, for example, a gypsum-based material (for example, gypsum board). The ceiling panel 10A can also be formed of rock wool, a metal-based material (for example, spandrel) or the like.

(Second embodiment)
Next, a second embodiment for implementing the ceiling panel mounting jig according to the present invention will be described. The second embodiment described below is different from the first embodiment only in the configuration of the ceiling panel mounting jig 20B, and the other configurations such as the support frame 2 are the configurations shown in the first embodiment. Is common with. Therefore, in the following, only the parts different from the first embodiment will be described, and the same reference numerals will be given to the configurations common to the first embodiment, and the description thereof will be omitted.
FIG. 5 shows a perspective development view of the ceiling system according to the second embodiment of the present invention as viewed from diagonally above. FIG. 6 shows a cross-sectional view showing a ceiling panel mounting structure using a ceiling panel mounting jig in the ceiling system of FIG. FIG. 7 shows a perspective development view showing a ceiling panel mounting jig in the ceiling system of FIG. FIG. 8 shows a cross-sectional view showing a state in which the lower plate of the ceiling panel mounting jig is slid in the ceiling system of FIG.

As shown in FIGS. 5 and 6, the ceiling system 1B includes a support frame 2, a ceiling panel 10B, and a ceiling panel mounting jig 20B.
The ceiling panel 10B has a rectangular shape (square shape) in a plan view and has a predetermined plate thickness. The ceiling panel 10B is made of, for example, a gypsum-based material (for example, gypsum board), rock wool, or a metal-based material (for example, spandrel). The ceiling panel 10B is provided between the support frames 2 adjacent to each other in the horizontal direction.
As shown in FIG. 6, the outer peripheral portion of the ceiling panel 10B is formed with an overhanging portion 11 so that the upper surface 10a side projects outward with respect to the lower surface 10b side. A supported surface 11f supported on the upper surface of the substrate portion 2a of the support frame 2 is formed on the lower side of the overhanging portion 11. In the ceiling panel 10B, the lower surface 10b side is arranged inside the four-sided support frame 2 provided in a grid pattern in a state where the supported surface 11f is supported on the substrate portion 2a.

The ceiling panel mounting jig 20B detachably attaches the ceiling panel 10B to the support frame 2. The ceiling panel mounting jig 20B is provided at at least two corners of the ceiling panel 10B having a rectangular shape in a plan view. In the present embodiment, the ceiling panel mounting jig 20B is provided at two diagonally located corners of the ceiling panel 10B. The ceiling panel mounting jig 20B may be provided at three or more corners of the ceiling panel 10B.
As shown in FIGS. 6 and 7, the ceiling panel mounting jig 20B includes an upper plate (first member) 21B, a lower plate (second member) 22B, and a screw member (coupling member) 24. ing.

The upper plate 21B is provided at a corner of the ceiling panel 10B. The upper plate 21B has a pentagonal shape in a plan view and is fixed by an adhesive or the like along the upper surface 10a of the ceiling panel 10B. The upper plate 21B is formed with a female screw hole 21h into which the screw member 24 is screwed. The upper plate 21B is arranged on the upper side of the support frame 2.
The lower plate 22B is arranged below the support frame 2. The lower plate 22B integrally includes a flat surface portion 22q having a pentagonal shape in a plan view, and an insertion piece 22r that stands orthogonal to the flat surface portion 22q from two sides orthogonal to each other in the flat surface portion 22q. A long hole 22h is formed in the flat surface portion 22q of the lower plate 22B.

The upper plate 21B and the lower plate 22B are connected by a screw member 24. The screw member 24 includes a shaft portion 24b having a male screw groove on the outer peripheral surface thereof, and a head portion 24a provided at the lower end portion of the shaft portion 24b. The shaft portion 24b penetrates the elongated hole 22h of the lower plate 22B and the ceiling panel 10B from the lower side to the upper side of the ceiling panel 10B, and is screwed into the female screw hole 21h of the upper plate 21B. The head portion 24a of the screw member 24 has an outer diameter larger than the width of the elongated hole 22h. The head 24a restrains the lower plate 22B from moving downward.
As shown in FIG. 8, when the screw member 24 is loosened and the head portion 24a is moved downward from the lower surface 10b of the ceiling panel 10B, the lower plate 22B is moved in the extending direction of the elongated hole 22h through which the screw member 24 is inserted. It can be slid. By sliding the lower plate 22B in the extending direction of the elongated hole 22h, the insertion piece 22r can appear and disappear from the corner of the ceiling panel 10B in the direction along the lower surface 10b.

As shown in FIG. 6, the lower plate 22B faces the upper plate 21B with the support frame 2 interposed therebetween at the position P11 in which the insertion piece 22r protrudes outward from the corner of the ceiling panel 10B. At this position P11, the flat surface portion 22q of the lower plate 22B abuts on the folded portion 2c on the lower surface of the support frame 2, and the support frame 2 is sandwiched between the supported surface 11f of the ceiling panel 10B and the lower plate 22B from above and below. In this state, the insertion pieces 22r formed on the two sides of the lower plate 22B are inserted into the grooves 5 formed on the lower surfaces of the two support frames 2 orthogonal to each other.
Further, as shown in FIG. 8, in the lower plate 22B, the screw member 24 is loosened to move the flat surface portion 22q downward, the insertion piece 22r is pulled out from the groove portion 5, and then the ceiling panel 10B is formed along the elongated hole 22h. Slide toward the inside of the corner of the. As a result, the lower plate 22B moves from the position P11 facing the upper plate 21B to the position P12 retracted. As a result, the ceiling panel 10B is released from the state in which the support frame 2 is sandwiched between the upper plate 21B and the lower plate 22B. Thereby, by removing the ceiling panel 10B upward from the support frame 2, it is possible to form an opening K used as an inspection port or the like.

According to the ceiling panel mounting jig 20B as described above, the ceiling panel mounting jig 20B for mounting the plate-shaped ceiling panel 10B between a plurality of support frames 2 provided at intervals in the horizontal direction is supported. The lower plate 22B includes an upper plate 21B arranged on the upper side of the frame 2, a lower plate 22B arranged on the lower side of the support frame 2, and a screw member 24 for connecting the upper plate 21B and the lower plate 22B. Is movably provided between the position P11 facing the upper plate 21B across the support frame 2 and the position P12 retracted from the position P11 facing the upper plate 21B across the support frame 2.
According to such a configuration, the upper plate 21B fixed to the ceiling panel 10B is arranged on the upper side of the support frame 2, and the lower plate 22B is arranged at the position P11 facing the upper plate 21B across the support frame 2. In this state, it is fastened with the screw member 24. As a result, the ceiling panel 10B is securely fixed by the upper plate 21B and the lower plate 22B that sandwich the support frame 2. Further, by moving the lower plate 22B to the position P12 retracted from the position P11 facing the upper plate 21B with the support frame 2 interposed therebetween, the ceiling panel 10B uses the upper plate 21B and the lower plate 22B to make the support frame 2. It is released from the pinched state. Thereby, the opening K can be formed by removing the ceiling panel 10B from the support frame 2. In this way, the ceiling panel 10B can be easily opened and closed only by retracting the lower plate 22B from the position P11 facing the upper plate 21B with the support frame 2 interposed therebetween. Further, the ceiling panel mounting jig 20B has a simple configuration because the upper plate 21B and the lower plate 22B are only connected by the screw member 24. Therefore, according to the ceiling panel mounting jig 20B, the ceiling panel 10B can be easily opened and closed while being securely fixed in spite of its simple configuration.

Further, the screw member 24 penetrates the ceiling panel 10B to connect the upper plate 21B and the lower plate 22B, and the lower plate 22B is slidably provided on the screw member 24 along the lower surface 10b of the ceiling panel 10B. Has been done.
According to such a configuration, by sliding the lower plate 22B with respect to the screw member 24 along the lower surface 10b of the ceiling panel 10B, the lower plate 22B is positioned to face the upper plate 21B with the support frame 2 interposed therebetween. It can be easily moved between P11 and the position P12 retracted from the position P11. As a result, the ceiling panel 10B can be easily opened and closed.

Further, the lower plate 22B integrally includes a flat surface portion 22q facing the upper plate 21B with the support frame 2 interposed therebetween, and an insertion piece 22r inserted into the groove portion 5 formed on the lower surface of the support frame 2.
According to such a configuration, when the insertion piece 22r of the lower plate 22B is inserted into the groove 5 of the support frame 2, the lower plate 22B can be prevented from moving in the horizontal direction where the grooves 5 intersect in a continuous direction. can. As a result, it is possible to prevent the lower plate 22B from being inadvertently displaced from the support frame 2, and the ceiling panel 10B can be reliably fixed.

(Modified example of the second embodiment)
In the second embodiment, the overhanging portion 11 is formed on the upper surface 10a side of the ceiling panel 10B, and the supported surface 11f of the overhanging portion 11 is placed on the support frame 2. Not limited to. For example, the end portion of the upper plate 21B may be projected outward from the corner portion of the ceiling panel 10B so as to be placed on the support frame 2.

(Other variants)
In each of the above embodiments and modifications thereof, the support frames 2 are formed in a grid pattern, and the rectangular ceiling panels 10A and 10B are provided inside the support frames 2 on all sides, but the present invention is not limited to this. For example, a plurality of support frames 2 extending in one direction in a horizontal plane may be installed in parallel with each other, and ceiling panels 10A and 10B may be provided between the support frames 2 adjacent to each other.
In addition to this, as long as it does not deviate from the gist of the present invention, it is possible to select the configuration described in the above embodiment or change it to another configuration as appropriate.

2 Support frame 22A, 22B Lower plate (second member)
10A, 10B Ceiling panel 22p, 22q Flat surface 10b Bottom surface 22r, 22s Insertion piece 20A, 20B Ceiling panel mounting jig 23 Magnet (coupling member)
21A, 21B Upper plate (first member) 24 Screw member (joining member)

Claims (2)

A ceiling panel mounting jig that mounts a plate-shaped ceiling panel between a plurality of support frames provided at horizontal intervals.
A first member fixed to the ceiling panel and arranged above the support frame,
A second member arranged under the support frame and
A coupling member for connecting the first member and the second member is provided.
The second member is movably provided between a position facing the first member across the support frame and a position retracted from a position facing the first member across the support frame. And
The coupling member is a magnet fixed to one of the first member and the second member.
The other of the first member and the second member is made of a magnetic material.
A ceiling panel mounting jig that is characterized by this. The second member is characterized by integrally including a flat surface portion facing the first member with the support frame interposed therebetween and an insertion piece inserted into a groove portion formed on the lower surface of the support frame. Item 1. The ceiling panel mounting jig according to Item 1.

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