JPH0673836A - Locking structure of ceiling panel - Google Patents

Abstract

PURPOSE:To facilitate attaching and detaching of a ceiling panel and to prevent floating of the ceiling panel at the time of attachment. CONSTITUTION:A joint piece 40 is removably fitted to a ceiling finished material 7 arranged in parallel through a hang bolt 3 hung down from a ceiling slab. An inclined piece 49 having the spring property inclined from the top to the bottom outward is formed on the main body 41 of the joint piece 40. A panel locking piece 51 having the spring property engaged with the upper surface of a ceiling panel 10 and a panel guide piece 52 inclined from the lower end of the inclined piece 40 inward are arranged side by side on the lower end of the inclined piece 49. Thus, the inclined piece 49 is elastically deformed and the ceiling panel 10 can be installed in engagement with the panel engaging piece 51. Further, the ceiling panel can be detached along the panel guide piece.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ceiling panel locking structure, and more specifically, to a ceiling panel installed on a ceiling finishing material arranged in parallel via hanging bolts hanging from a ceiling slab. The present invention relates to a ceiling panel locking structure that facilitates attachment and detachment of.

[0002]

2. Description of the Related Art In general, there is known a ceiling structure in which ceiling finishing materials are arranged in parallel via hanging bolts suspended from a ceiling slab and a ceiling panel is installed between these ceiling finishing materials. In this type of conventional ceiling structure, as a means for mounting the ceiling panel, a mounting structure for sandwiching the ceiling panel between a mounting member mounted on the ceiling finishing material and a holding plate screwed to the mounting member, or a ceiling structure. A structure in which a presser attached to a finishing material is provided with a projection that bites into the lower surface of the ceiling panel and a pressing piece that presses the upper surface of the ceiling panel, and the projection and the pressing piece attach the ceiling panel (JP-A-55- 13316 gazette) etc. are known.

[0003]

However, in the former case, that is, in the structure in which the ceiling panel is sandwiched and fixed by the mounting element and the pressing plate, the ceiling panel is mounted by the two members, so that it is necessary to temporarily support the ceiling panel. However, there was a problem that the installation work was troublesome and the removal was difficult. Further, in the latter case, that is, in the structure described in Japanese Patent Laid-Open No. 55-13316, since the projections bite into the ceiling panel, it is necessary to use a material or the like in which the projections easily bite, which is troublesome in construction and the ceiling panel. There was a problem that it was difficult to remove.

The present invention has been made in view of the above circumstances, and it is an object of the present invention to provide a ceiling panel locking structure capable of easily attaching and detaching the ceiling panel and preventing the ceiling panel from rising. It is intended.

[0005]

In order to achieve the above object, the locking structure for a ceiling panel according to the present invention is locked to a ceiling finishing material arranged in parallel via hanging bolts suspended from a ceiling slab. In a ceiling panel locking structure in which a member is mounted and the ceiling panel erected on the ceiling finishing material is removably locked by the locking member, a member removably fitted to the ceiling finishing material The stopper member body is formed with a spring-like inclined piece that inclines outward from the upper portion to the lower portion, and the lower end of the inclined piece has a spring-like panel locking piece that engages with the upper surface of the ceiling panel. The panel guide piece that inclines inward from the lower end of the inclined piece is arranged in parallel.

In the present invention, the ceiling finishing material is provided with a lower horizontal piece having a locking upright piece with which the ceiling panel is engaged, and a concave groove having a lateral opening is provided on an upper portion of the lower horizontal piece. On both sides of the locking member main body slidably fitted in the concave groove, a pair of inclined wing pieces having a spring property for pressing the locking member main body toward the locking upright piece side are provided in a protruding manner. Is more preferable.

[0007]

According to the locking structure of the ceiling panel of the present invention configured as described above, the locking member main body which is detachably fitted to the ceiling finishing material is inclined from the upper portion to the lower outer portion. Forming an inclined piece having springiness, at the lower end of this inclined piece,
By arranging a panel locking piece having a spring property that engages with the upper surface of the ceiling panel and a panel guide piece that inclines inward from the lower end of the inclined piece, the inclined piece is elastically deformed and the inclined piece is formed. The ceiling panel can be engaged with the panel locking piece along. Therefore, mounting of the ceiling panel can be facilitated, and lifting of the mounted ceiling panel can be prevented. Further, when removing the ceiling panel, by lifting the ceiling panel upward, the engagement between the ceiling panel and the panel locking piece can be released, and the ceiling panel can be removed along the panel guide piece.

Further, the ceiling finishing material is provided with a lower horizontal piece having a locking upright piece with which the ceiling panel is engaged, and a concave groove having a side opening is provided at an upper portion of the lower horizontal piece. By providing a pair of slanting blade pieces having a spring property for pressing the locking member body toward the locking upright piece side on both sides of the locking member body slidably fitted, the inclined blade piece is formed. The elastic force of elastic deformation causes the locking member to be pressed against the locking upright piece, which can absorb the mounting error of the ceiling finishing material and prevent the locking member from being pulled out from the ceiling finishing material. it can.

[0009]

Embodiments of the present invention will be described in detail below with reference to the drawings. FIG. 1 is a perspective view of an example of a system ceiling having a ceiling panel locking structure according to the present invention as seen from the backside of the ceiling, FIG. 2 is an exploded perspective view of essential parts thereof, and FIG. 3 is a locking member and ceiling panel according to the present invention. The exploded perspective view of the locked state with is shown.

The system ceiling includes a suspension metal fitting 4 fixed to a suspension bolt 3 suspended by an anchor 2 on a ceiling slab 1 with a nut 3a, and a ceiling base material 5 suspended by the suspension metal fitting 4. , A plurality of ceiling finishing materials 7 that are attached to the ceiling underlying material 5 with fixing members 6 orthogonally to the ceiling underlying material 5, and locking members 40 that are fitted to the ceiling finishing material 7 (hereinafter referred to as joint pieces). ), A ceiling panel 10 installed in a panel mounting space 8 formed between the facing ceiling finishing materials 7, 7, an air outlet for a lighting device 21, an air conditioner not shown, and a speaker. , A sprinkler and a smoke detector, and an equipment panel 20 for mounting equipment.

The ceiling base material 5 and the ceiling finish material 7 are connected to arbitrary positions (specifically, the center positions of the sides of the grid portion 9 formed by the ceiling base material 5 and the ceiling finish material 7). The breath metal fitting 30 is attached through the metal fitting 32 to adjust the position in the horizontal direction and to perform seismic reinforcement.

The above-mentioned ceiling base material 5 is formed of a steel channel-shaped member, and is held by the hook portion 4a of a hook-shaped hanging metal fitting 4 which is attached to the hanging bolt 3 with the fixing nut 3a. Suspended (Fig. 4
reference).

The ceiling finishing material 7 is formed by bending a steel strip plate material into a substantially J-shaped cross section, and as shown in FIGS.
Upper horizontal piece 7b where / 4 overlaps, and this upper horizontal piece 7b
Formed between the vertical piece 7c, a vertical piece 7c that hangs down from the lower piece, a lower horizontal piece 7e that is bent from the lower end of the vertical piece 7c in the horizontal direction, and has a locking standing piece 7d at its tip. And a concave groove 7f that is opened laterally.

As shown in FIG. 2, the fixing metal fitting 6 for connecting the ceiling base material 5 and the ceiling finishing material 7 which are constructed as described above in an orthogonal manner has a rectangular base portion having a screw hole 6a at the center thereof. 6b, a fixing metal fitting body 6d consisting of a pair of bifurcated holding leg pieces 6c hanging down from both sides of both ends of the rectangular base 6b, and a fastening screw 6e screwed into the screw hole 6a from above. Each of the holding leg pieces 6c is formed with an inward holding claw 6f that engages with the hanging piece 7a of the upper horizontal piece 7b of the ceiling finishing material 7 at the lower end of each holding leg piece 6c. In order to connect the ceiling base material 5 and the ceiling finish material 7 in an orthogonal manner with the fixing bracket 6 configured as described above, after the fixing bracket main body 6d is straddled from above the ceiling base material 5, holding on both sides is performed. The holding claws 6f of the leg pieces 6c are engaged with the hanging pieces 7a of the ceiling finishing material 7 to temporarily hold the ceiling finishing material 7 below the ceiling base material 5, and in this state, fastened to the screw holes 6a of the rectangular base 6b. The ceiling base material 5 and the ceiling finish material 7 can be attracted and fixed by screwing in the screws 6e (see FIGS. 4 to 6).

As described above, the ceiling base material 5 and the ceiling finish material 7 are orthogonally connected to each other, whereby the ceiling finish material 7,
A panel mounting space 8 is formed between the ceiling base material 5 and the ceiling finish material 7, which face each other, and a grid portion 9 is formed between them.
Is formed. Even at an intermediate position of the ceiling finishing material 7 forming the grid portion 9, the above-described connecting metal fitting 32 and the breath metal fitting 30 adjust the position in the horizontal direction and perform seismic reinforcement.

As shown in FIG. 2, the ceiling panel 10 is a steel rectangular ceiling panel body 13 having a large number of small holes 11 on its surface and standing walls 12 on four sides.
(Hereinafter referred to as a panel body) and a heat insulating / sound absorbing material 14 such as glass wool laid on the back side of the panel body 13.
It consists of and. In this case, in the panel body 13, the outward flange 15 is bent in the horizontal direction from the upper end of the edge side standing wall 12 at one end in the longitudinal direction, and the inward flange 16 is horizontally bent from the upper end of the standing wall 12 at the other end. Is formed by bending, and a positioning slit 17 is provided at an intermediate position between the outward flange 15 and the inward flange 16, and locking slits 18 are provided at both side positions thereof. At the tip of the outward flange 15, an outward inclined piece 15a that inclines outward (inclination angle: β) is bent to facilitate mounting of the ceiling panel 10, and the inward flange 16 is provided.
An inwardly inclined piece 16a that inclines inwardly (inclination angle: α) is bent at the tip of the so as to obtain a predetermined size without being affected by springback or the like in bending. (See FIGS. 7A and 7B). Also, inward horizontal pieces 19 are bent from the upper ends of the long side standing walls 12 in the short side direction of the panel body 13, respectively, and resist the force from the side of the long side portion of the panel body 13. Drag is being obtained. Furthermore, as shown by the chain double-dashed line in FIG.
A packing 10a having a rectangular cross section is attached to the standing walls 12 on two adjacent sides of the panel body 13 in an L shape.

The joint piece 40 is formed of, for example, a shock-resistant thermoplastic resin member such as ABS resin, and its form is, as shown in FIGS. 3 and 8, a concave groove 7f of the ceiling finishing material 7. The joint piece main body 41 has a rectangular shape and is slidably fitted therein, and a pair of elastically deformable inclined wing pieces 42 extending outward from both ends of the joint piece main body 41. ing.

In the joint piece body 41, a pair of panel vertical guide locking portions 4 are provided on the left and right with the central vertical partition wall 43 as a boundary.
4 and a panel horizontal guide locking portion 45 are provided,
A panel locking piece 47 having a panel locking projection 46 is provided on the front side of the lower end of the panel vertical guide locking portion 44.

The panel vertical guide locking portion 44 projects from a rectangular opening 48 provided in the joint piece body 41 an inclined piece 49 having a spring property which inclines downward to the front side, and the lower end of the inclined piece 49. A panel engaging piece 51 is provided on the center side and two panel guide pieces 52 are provided on both sides side by side through two vertical slits 50 parallel to the side. In this case, as shown in FIG. 9A, the panel locking piece 51 is bent in a U shape from the lower end of the inclined piece 49 toward the rear so as to have a spring property, and the panel guide piece is also formed. As shown in FIG. 9B, the reference numeral 52 is inclined rearward from the lower end of the inclined piece 49.

On the other hand, the panel horizontal guide locking portion 45 is shown in FIG.
And as shown in FIG. 10, the inner locking portion 4 that engages with the locking slit 18 of the outward flange 15 of the ceiling panel 10.
5a and an outer locking portion 45b that engages with the locking slit 18 of the inward flange 16 of the ceiling panel 10, and is formed in a step shape. In addition, the inner locking portion 45a is formed with a tapered surface 45c that widens upward, so that the inner locking portion 45a can be easily moved to lock the outward flange 15 when mounting the ceiling panel 10. is there.

The joint piece 40 constructed as described above is slidably fitted in the concave groove 7f of the ceiling finishing material 7 and arranged at a predetermined position. At this time, the inclined blade piece 42 comes into contact with the bottom of the concave groove 7f and elastically deforms, and the elastic force F is transmitted to the joint piece body 41, so that the joint piece body 41 locks and stands up the ceiling finishing material 7. Abut the piece 7d,
It absorbs the mounting error of the ceiling finishing material 7 and prevents the joint piece 40 from being pulled out (see FIG. 8). In this state, when the ceiling panel 10 is attached, the ceiling panel (specifically, the outward flange 15) is elastically deformed on the inclined piece 49 and is dropped down along the inclined piece 49, so that the panel locking piece 51 of the panel locking piece 51 is removed. Ceiling panel 10 on the bottom
The outwardly facing flanges 15 of. Therefore, lifting of the ceiling panel is prevented (see FIG. 6).

When the ceiling panel 10 is removed,
When the outward flange 15 of the ceiling panel 10 is lifted, first, the panel locking piece 51 is elastically deformed, then the inclined piece 49 is elastically deformed, and when the outward flange 15 is further pushed upward, the outward flange 15 and The engagement with the panel locking piece 51 is released. Therefore, since the outward flange 15 moves along the inclined surface of the panel guide piece 52, the ceiling panel 10 can be easily removed (see FIG. 5).

On the other hand, the horizontal direction of the ceiling panel 10 is restricted by the panel horizontal guide locking portion 45. That is, as shown in FIGS. 10 and 11, the locking slit 18 provided on the inward flange 16 of the ceiling panel 10 is engaged with the outer locking portion 45b of the panel horizontal guide locking portion 45 (see FIG. 1).
1 (a)), the locking slit 18 provided on the outward flange 15 is engaged with the inner locking portion 45a of the panel horizontal guide locking portion 45 (see FIG. 11 (b)), so that the ceiling It is possible to prevent the panel 10 from shifting in the horizontal direction. In this case, the auxiliary locking slit 18a is provided at the end of the outward flange 15, and the auxiliary locking slit 18a is engaged with the vertical partition wall 43 (see FIG. 11 (b)), thereby further horizontalizing. It is possible to reliably prevent the deviation of the direction.

As shown in FIG. 2, the shift preventing member 55 is made of a steel member having a substantially C-shaped cross section for holding the ceiling finishing material 7, and its upper horizontal piece 55a.
A screw hole 55b for the fixing screw 56 is provided at the center of the above, and a holding claw 55d that engages with the hanging piece 7a of the ceiling finishing material 7 is bent at the lower end of the upper hanging piece 55c. This slip prevention member 55
After the ceiling panel 10 is installed, the fixing screw 56 that is engaged with the positioning slit 17 of the ceiling panel 10 in a state of pressing the heat insulating / sound absorbing material 14 and is screwed into the screw hole 55b from above in this state is used as the ceiling finishing material. 7 upper horizontal piece 7
By pressing the upper surface of b, the ceiling finishing material 7 is fixed at an arbitrary position. Therefore, the shift preventing member 55 can prevent the ceiling panel 10 from rattling in the horizontal direction (short direction) (see FIG. 2). In addition, the slip prevention member 55 is previously slidably attached to the ceiling finishing material 7,
It is also possible to engage with the positioning slit 17 of the ceiling panel 10.

Next, the procedure for attaching the ceiling panel 10 and the procedure for assembling the system ceiling will be described.

First, the hanging bolt 3 is hung down on the ceiling slab 1 with the anchor 2 and the hanging bracket 4 is attached to the hanging bolt 3.
Install with the nut 3a. Next, after the ceiling base material 5 is hung by the hook portion 4a of the hanging metal fitting 4, the fixing metal fitting 6 is
The ceiling finishing material 7 is orthogonally connected to the lower portion of the ceiling base material 5 to form a panel mounting space 8 between the facing ceiling finishing materials 7 and 7 and a grid portion 9.

Next, the inward flange 16 of the ceiling panel 10 is locked to the lower horizontal piece 7e and the locking upright piece 7d of one of the facing ceiling finishing materials 7 in the panel mounting space 8.
After engaging with the panel vertical guide locking portion 44 and the panel horizontal guide locking portion 45 of the joint piece 40 which is fitted in the concave groove 7f in advance, the lower horizontal piece 7 of the other ceiling finishing material 7 that faces the other.
The outward flange 15 is locked to the e and the locking upright piece 7d, and is engaged with the panel vertical guide locking portion 44 and the panel horizontal guide locking portion 45 of the joint piece 40 to erect one ceiling panel 10. . Hereinafter, in the same manner, three ceiling panels 10 are installed in a grid portion 9 formed by the ceiling base material 5 and the ceiling finish material 7, and the ceiling finish material 7 below the adjacent ceiling base materials 5 and 5 is installed. , 7, the equipment panel 20 is erected by the same procedure.

After the ceiling panel 10 is installed in the grid portion 9 in this way, the ceiling panel 10 and the equipment panel 20 are also installed in the adjacent grid portion 9 in the same manner. After inserting the ceiling panel 10 into the panel mounting space 8 in a state in which the facing flange 15 side is lifted and slanted, the inward facing flange 16 side is lifted and the lower horizontal piece 7e and the locking upright piece 7d of the ceiling finishing material 7 are lifted. Then, the inward flange 16 is dropped to engage with the lower horizontal piece 7e, the locking upright piece 7d, and the joint piece 40.
Then, the outward flange 15 is locked to the upper side of the inward flange 16 of the ceiling panel 10 that has already been locked, and the ceiling piece 1 is engaged with the joint piece 40.
Build 0. In this state, in the mounted ceiling panel 10, the outward inclined pieces 15a of the outward flange 15 and the inward inclined pieces 16a of the inward flange 16 engage with both sides of the panel locking projection 46 of the joint piece 40. Therefore, there is no need to worry about misalignment in the connecting direction. Therefore, the four ceiling panels 10 are erected in a state where they are regulated from each other and positioned and prevented from slipping. In addition, the adjacent ceiling panel 1
Since the packing 10a is interposed in the gap between 0 and 10, a slight dimensional error in mounting can be absorbed by the packing 10a.

When removing the mounted ceiling panel 10,
The ceiling panel 10 can be removed by a procedure reverse to the above mounting procedure. At this time, when the intermediate ceiling panel 10 is removed, the outward flange 15 side of the adjacent ceiling panel 10 is pushed upward and kept in a standby state, and the inward flange 16 and the outside of the ceiling panel 10 to be removed are removed. The ceiling panel 10 can be removed by unlocking the orientation flange 15.

The equipment panel 20 is also attached in the same manner as the ceiling panel 10. A relatively heavy object such as a lighting device 21 that is attached to the equipment panel 20 is fixed to the equipment mounting member 70 that is installed and fixed by the mounting bracket 60 between the facing ceiling base materials 5 and 5, and the fixing bolt 71 and the fixing It is supported by a nut 72.

In the above embodiment, the case where the ceiling panel 10 and the equipment panel 20 have a rectangular shape has been described, but the shapes of the ceiling panel 10 and the equipment panel 20 do not necessarily have to be rectangular, and two opposing sides If it has an inward flange 16 and an outward flange 15 respectively, it may have a square shape as shown in FIG. Note that, in FIG. 12, the other parts are the same as those in the above-mentioned embodiment, and therefore, the same parts are designated by the same reference numerals,
The description is omitted.

[0032]

As described above, according to the ceiling panel locking structure of the present invention, which is configured as described above, the following effects can be obtained.

1) According to the locking structure of the ceiling panel of the first aspect, the locking member main body which is detachably fitted to the ceiling finishing material is provided with the spring property inclined from the upper part to the lower part outward. A slanting piece having a spring property, which is engaged with the upper surface of the ceiling panel, and a panel guide piece slanting inward from the lower end of the slanting piece. Since it is provided, the inclined piece can be elastically deformed and the ceiling panel can be engaged with the panel locking piece along the inclined piece, and the ceiling panel can be easily attached. In addition, it is possible to prevent the ceiling panel from rising when the ceiling panel is attached. Further, when removing the ceiling panel, the ceiling panel can be easily removed by lifting the ceiling panel upward to release the engagement between the ceiling panel and the panel locking piece.

2) According to the locking structure of the ceiling panel of claim 2, the ceiling finishing material is provided with a lower horizontal piece having a locking upright piece with which the ceiling panel engages, and the upper part of the lower horizontal piece. A recessed groove having a side opening is provided on both sides of the locking member main body that is slidably fitted in the recessed groove, and has a spring property for pressing the locking member main body toward the locking upright piece side. Since the pair of inclined blades are provided so as to project, it is possible to absorb the mounting error of the ceiling finishing material due to the elastic deformation of the inclined blades and prevent the locking member from being pulled out from the ceiling finishing material.

[Brief description of drawings]

FIG. 1 is a perspective view from the back of the ceiling showing an example of a system ceiling having a ceiling panel locking structure of the present invention.

FIG. 2 is an exploded perspective view showing a main part of a system ceiling.

FIG. 3 is an exploded perspective view showing an engaged state of the ceiling panel and the locking member in the present invention.

FIG. 4 is a side sectional view showing a erected state of a ceiling panel.

FIG. 5 is an enlarged cross-sectional view showing a erected state of a ceiling panel.

FIG. 6 is an enlarged cross-sectional view showing an installed state of another position of the ceiling panel.

FIG. 7 is a schematic sectional view showing a main part of a ceiling panel.

FIG. 8 is a perspective view showing a locking member according to the present invention.

9 is a cross-sectional view taken along the line AA and the line BB in FIG.

FIG. 10 is a cross-sectional view showing an engaged state of a ceiling panel and a locking member.

FIG. 11 is a horizontal cross-sectional view showing a horizontally locked state of the ceiling panel and the locking member.

FIG. 12 is a perspective view of another example of the ceiling panel as viewed from the back of the ceiling.

[Explanation of symbols]

 7 Ceiling Finishing Material 7d Locking Standing Piece 7e Lower Horizontal Piece 7f Concave Groove 10 Ceiling Panel 15 Outward Flange 40 Joint Piece (Locking Member) 41 Joint Piece Main Body (Locking Member Main Body) 42 Inclined Blade Piece 44 Panel Vertical Guide Manger Stop portion 45 Panel horizontal guide locking portion 49 Inclined piece 51 Panel locking piece 52 Panel guide piece

Claims (2)

[Claims] 1. A locking member is attached to a ceiling finishing material arranged in parallel via hanging bolts hanging from a ceiling slab, and the ceiling panel erected on the ceiling finishing material can be detached by this locking member. In a locking structure of a ceiling panel that is locked, a tilting piece having a spring property that tilts outward from an upper portion to a lower portion is formed in a locking member main body that is detachably fitted to the ceiling finishing material. At the lower end of the inclined piece, a panel locking piece having a spring property that engages with the upper surface of the ceiling panel and a panel guide piece that inclines inward from the lower end of the inclined piece are arranged side by side. The locking structure for the ceiling panel, which is characterized in that 2. A ceiling finishing material is provided with a lower horizontal piece having a locking upright piece with which a ceiling panel is engaged, and a concave groove having a lateral opening is provided at an upper portion of the lower horizontal piece, and the inside of the concave groove is provided. On both sides of the locking member main body that is slidably fitted to the locking member main body, a pair of inclined wing pieces having a spring property for pressing the locking member main body toward the locking upright piece side are provided in a protruding manner. The locking structure for a ceiling panel according to claim 1, wherein the locking structure is for a ceiling panel.