JPH06240809A - Locking structure for ceiling panel - Google Patents

Abstract

PURPOSE:To make installation of ceiling panels easy without the need for providing complicated processing to ceiling rail members and the ceiling panels. CONSTITUTION:An upwardly opened locking groove 71 is formed to a panel holding metallic part 70 that is mounted as a holding means to a joint member 2 connected at a right angle to finishing materials 4 placed in parallel with each other, and an elastically deformative piece 75 for prevention of panel floating is formed to a place above the locking groove 71. An inward-looking holding piece 19b formed to the side of a ceiling panel 10B is engaged with the locking groove 71 while an outward-looking locking piece 19a of an adjacent ceiling panel 10B is engaged with the inward-looking locking piece 19b, and the piece 75 for prevention of panel floating is stuck with pressure to the upper face of the outward-looking locking piece 19a.

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 particularly to a ceiling panel locking structure which is installed by locking the ceiling panels between parallel rail members for the ceiling. It concerns the improvement of the structure.

[0002]

2. Description of the Related Art Generally, a main ceiling rail member facing in parallel to a length direction and an auxiliary ceiling rail member connected orthogonally between the main ceiling rail members form a rectangular space. A ceiling structure in which a ceiling panel is locked and installed between rail members in a rectangular space is known. Also, in this type of ceiling structure, when installing multiple ceiling panels,
For example, a male fitting insertion portion is formed outward from a standing wall standing on the side of one ceiling panel of an adjacent ceiling panel, and this male fitting insertion portion is formed on the standing wall of another adjacent ceiling panel. A structure which is fitted and installed in a perforated female fitting portion (see Japanese Utility Model Laid-Open No. 60-172913), or a male formed by an outward horizontal piece on one side of a ceiling panel. An end is formed to project, and a female end having an insertion portion opening to the outside is formed on the other side, and an engaging member having a transverse U-shape in cross section and a male end provided on the ceiling rail member. There is known a locking structure in which and are clamped and fixed by a female end insertion portion (see Japanese Patent Laid-Open No. 64-90345).

[0003]

However, in the former structure, that is, in the locking structure disclosed in Japanese Utility Model Laid-Open No. 172913/1985, a comb-shaped male fitting portion is bent on one side of the ceiling panel. At the same time, it is necessary to form a plurality of female fitting insertion parts for fitting the male fitting insertion parts on the other side at appropriate intervals, which makes not only the processing of the ceiling panel cumbersome but also the mounting of the ceiling panel. There is a problem that it takes a lot of labor and time. Further, in the latter, that is, in the locking structure disclosed in Japanese Patent Laid-Open No. 64-90345, the mounting is easier than the locking structure of the former, but when the adjacent ceiling panel is installed, temporary fixing is required. Since it is necessary, the ceiling panel is provided with a temporary fitting for engaging the engaging member. Therefore,
Not only is the processing of the rail member and the ceiling panel complicated, but also one ceiling panel is temporarily fixed and the other adjacent ceiling panel is attached, so there is the problem that the construction is troublesome.

The present invention has been made in view of the above circumstances, and provides a ceiling panel locking structure capable of easily installing a ceiling panel without requiring complicated processing for the ceiling rail member and the ceiling panel. That is the purpose.

[0005]

In order to achieve the above object, the ceiling panel locking structure of the present invention is a ceiling panel locking structure in which a ceiling panel is installed between parallel rail members for a ceiling. In the above, in the holding means mounted on the rail member, while forming a locking groove opening upward,
An elastically deformable panel lifting prevention piece is formed at a position above the locking groove, and the locking piece formed on the side of the ceiling panel is engaged with the locking groove of the holding means and at the same time. It is characterized in that the panel floating prevention piece is pressed against the upper surface of the stop piece.

In the present invention, when a plurality of ceiling panels are installed adjacent to each other, an inward locking piece is formed on the side of one of the adjacent ceiling panels and the side of the other ceiling panel. An outward locking piece is formed on the upper surface of the inward locking piece that engages with the locking groove of the holding means, and the outward locking piece is engaged with the upper surface of the outward locking piece. It is preferable to press the panel lifting prevention piece into pressure contact. The holding means may be mounted in any shape as long as it can be mounted on the rail member, but preferably a positioning notch is provided on the top surface of the rail member, and the holding means includes a top surface of the rail member and It is preferable to provide an engaging base portion that is detachably engaged with the side surface and form an engaging pawl that is bent downward from the engaging base portion and that engages with the positioning notch.
Further, it is preferable that the retaining means is provided with a disengagement prevention piece that engages with the lower surface of the rail member. In addition, it is preferable that the locking pieces of the ceiling panel are provided with positioning notches at a predetermined interval, and the holding means is provided with protruding positioning pieces that engage with the positioning notches.

[0007]

According to the locking structure of the ceiling panel of the present invention constructed as described above, the holding means mounted on the ceiling rail member is formed with the locking groove opening upward, and the locking groove is formed. An elastically deformable panel lifting prevention piece is formed above the groove, and a locking piece formed on the side of the ceiling panel is
The ceiling panel can be easily and removably and firmly installed by engaging with the locking groove of the holding means and pressing the panel lifting preventing piece against the upper surface of the locking piece. Further, since the ceiling panel does not require complicated processing, the ceiling panel can be easily processed.

Further, an inward locking piece is formed on a side of one ceiling panel of adjacent ceiling panels, and an outward locking piece is formed on a side of the other ceiling panel, and a locking groove of the holding means is formed. The above-mentioned outward locking piece is engaged with the upper surface of the inward locking piece that is engaged with, and the panel floating prevention piece is pressed against the upper surface of the outward locking piece, so that the adjacent ceiling panels are made to be the same. It can be locked easily with the locking part.

Further, a positioning notch is provided on the upper surface of the rail member, and an engaging base portion which is detachably engaged with the upper surface and the side surface of the rail member is provided on the holding means. By forming the engaging claw that is bent and engages with the positioning notch, the holding means can be removably attached to the rail member, and can be attached to a precisely positioned predetermined position. The locking of the ceiling panel can be ensured.

Further, the retaining means is provided with a disengagement prevention piece that engages with the lower surface of the rail member so that the disengagement prevention piece engages with the lower surface of the rail member due to vibration during installation of the ceiling panel or an earthquake. It is possible to prevent the holding means from coming off from the rail member.

Further, the locking pieces of the ceiling panel are provided with positioning notches at predetermined intervals, and the holding means is provided with a positioning piece that engages with the positioning notches so that the ceiling panel is positioned at a predetermined position. It is possible to prevent the lateral movement of the ceiling panel after the installation.

[0012]

Embodiments of the present invention will be described in detail below with reference to the drawings.

FIG. 1 is a perspective view of a system ceiling having a ceiling panel locking structure according to the present invention as seen from the back of the ceiling, FIG. 2 is a plan view of the system ceiling as seen from the back of the ceiling, and FIG.
2 is a sectional view taken along line AA of FIG.

The system ceiling is supported by a base material 6 suspended from suspension bolts 7 suspended from the ceiling slab S and a support metal fitting 30 on the base material 6, and is spaced at appropriate intervals in the longitudinal direction. A plurality of facility lines 1 for continuously mounting the facility equipment, a joint member 2 as a ceiling rail member connected in an intersecting manner between these facility lines 1, and a facility line 1 and a joint member 2. A plurality of rotating ceiling panels 10A and a fixed ceiling panel 10B installed in the rectangular space 3 constitute a main part. In this case, the ceiling panels 10A and 10B are formed by rectangular panels whose long sides are located along the length direction of the equipment line 1, and the fixing ceiling panel 10B is attached to the joint member 2. Panel holding metal fitting 70 as a holding means to be used
Ceiling panel 10 for rotation, which is detachably locked via
A is rotatably and detachably attached via a panel hinge fitting 60 attached to the long side of the fixed ceiling panel 10B.

The equipment line 1 is, as shown in FIGS. 1 and 2, a finishing material 4 as two parallel main ceiling rail members.
And a plurality of tentering members 5 which are connected at a predetermined interval between these finishing members 4, and the lighting device mounting region 1A
And a facility equipment mounting area 1B other than the lighting equipment are defined. Then, the lighting device 20 (specifically, a fluorescent lamp) is attached to the lighting device mounting area 1A divided by the tentering material 5, and the other equipment device mounting area 1B is provided with the air conditioner 21 via the equipment plate 25. (Specifically, air outlet), speaker 22, sprinkler 23, smoke detector 24
Is installed. When the equipment is not attached, only the equipment plate 25 is attached.

In this case, as shown in FIGS. 4 and 5, the finishing material 4 has a narrow opening groove 4a which opens upward at the upper end.
And an extrusion profile made of an aluminum alloy having a substantially T-shaped cross section, which has convex ridges 4b hanging downward on both lower sides of the narrow opening groove 4a and locking grooves 4c opening upward on both sides of the lower end. It is formed in. And this finishing material 4
As shown in FIGS. 1 and 3, is supported by a support metal fitting 30 on the lower surface of the steel channel-shaped base material 6 in a cross shape. This support fitting 30 has a rectangular substrate 31.
And the base material 6 that hangs from the two opposite sides of the substrate 31.
A support metal fitting body 34 having four leg portions 32 straddling each other, and a claw portion 33 that is bent at the lower end of the leg portion 32 and engages with the ridge 4 b of the finishing material 4, and a substrate of the support metal fitting body 34. 31 and a fastening screw 36 that is screwed into a screw hole 35 provided in 31. Further, the base material 6 is a nut 8 that is screwed to a suspension bolt 7 that is suspended from the ceiling slab S with an anchor T.
It is suspended by a suspension metal fitting 40 attached by (see FIG. 3).

On the other hand, in cooperation with the finishing material 4, the ceiling panel 10
As shown in FIGS. 3 to 5, the joint member 2 forming the installation area (rectangular space 3) of A and 10B is formed of a steel member having a U-shaped cross section that opens downward, and its end is formed. Engaging portions 2c that engage with the narrow opening grooves 4a of the finishing material 4 are provided on both sides of the portion. The engaging portions 2c are a pair of horizontal pieces 2a placed on the upper part of the finishing material 4, and a pair of bent pieces which are bent at right angles from both sides of the horizontal pieces 2a and abuttingly engage with both inner wall surfaces of the narrow opening groove 4a. The hanging piece 2b is formed into a substantially U-shaped cross section, and the horizontal piece 2a is formed with an insertion hole 2e for the fixing bolt 9. In this case, the width of the depending pieces 2b, 2b corresponds to the dimension L1 between the inner wall surfaces of the narrow opening groove 4a, and the dimension between the depending pieces 2b, 2b corresponds to the dimension L2 between the two notches 4d, 4d. Therefore, the positioning in the direction orthogonal to the finishing material 4 and the rattling in the longitudinal direction of the finishing material 4 can be prevented. The engaging portions 2 at both ends of the joint member 2
The dimension L3 between c and 2c determines the dimension between the equipment lines 1 and 1 (see FIG. 6). In the joint member 2 configured as described above, the fixing bolt 9 and the nut 9b are fastened in a state in which the hanging piece 2b of the engaging portion 2c is engaged with the notches 4d provided on both upper sides of the finishing material 4. Finishing material 4 by
(See FIGS. 4 and 5). Therefore, the finishing material 4 and the joint member 2 which constitute the equipment line 1 are connected in an intersecting manner to form the rectangular space 3 for installing the ceiling panel.

The base material 6, the finishing material 4, and the hanging bolt 7
Breath bolt 50b through the breath metal fitting 50a between
The tension of the base material prevents the base material 6 and the finishing material 4 from being displaced (see FIG. 1).

Two types of ceiling panels are used: a rotating ceiling panel 10A installed on the equipment line side and a fixing ceiling panel 10B installed at a position distant from the equipment line 1. These rotating and fixing ceiling panels 10B are, as will be described representatively with the fixing ceiling panel 10B shown in FIG. 7, a steel panel body 11 and a heat insulating layer laid on the back side of the panel body 11.・ Sound absorbing material 1
It is composed of 2 and, and is lightweight, rich in strength, and capable of achieving heat insulation and sound insulation. In this case, the panel body 1
1 is a rectangular surface plate 14 having a large number of small holes 13.
The standing wall 15 is bent on each piece, and a band-like joint cushion 16 is provided around the outer peripheral surface of the standing wall 15. The heat insulating / sound absorbing material 12 has a structure in which a core material 12a such as glass wool is surrounded by a polyethylene sheet 12b. Then, as shown in FIG. 7, the fixing ceiling panel 10B has one end on the short side (the left side in FIG. 7).
An outward locking piece 19a having a horizontal portion bent outward from the top of the standing wall 15 and a hanging portion that hangs slightly outward from the tip of the horizontal portion at the top of the standing wall 15.
And a horizontal part that bends inwardly from the top of the standing wall 15 at the top of the other standing wall 15 that is opposite, and a hanging part that slightly inclines toward the standing wall from the tip of this horizontal part. It is formed by bending an inward locking piece 19b having and. And
Fixing ceiling panels 10B are installed at predetermined positions on opposite sides of the outward locking piece 19a and the inward locking piece 19b, and a positioning notch 19c for preventing lateral movement after installation. Is provided.

Further, horizontal pieces 18 are bent inward from the tops of the standing walls 15 at the tops of the standing walls 15 at the ends on the long side of the fixing ceiling panel 10B. Engagement slits 15b are formed on both sides, and panel hinge fittings 60 mounted on the ceiling panel 10A for rotation are rotatably and detachably engaged with the engagement slits 15b. . The rotating ceiling panel 10A is detachably locked in a locking groove 4c provided in the finishing material 4 at a side opposite to the side where the panel hinge fitting 60 is mounted.

On the other hand, as shown in FIGS. 8 and 9, the panel holding metal fitting 70 has an inverted U-shape which is bent from the upper end of a rectangular vertical piece 72 and surrounds the upper surface and both sides of the joint member 2. The engaging base 73 and an upward engaging groove 71 formed by a bent piece bent from the lower end of the vertical piece 72 into an L shape are formed into a substantially J-shaped cross section. At a position above the locking groove 71, a panel floating prevention piece 75 is bent and cut from the vertical piece 72 toward the locking groove side so as to be bent in a V shape. In this case, the panel lifting prevention piece 75 is provided with elastic force by the two slits 76 provided in parallel to the engagement base portion 73 and the step h of the step portion 77 provided at the upper surface bent portion. Has become. Further, at both ends of the engaging base portion 73, engaging claws 74 that engage with the positioning notches 2d provided in the joint member 2 are bent downward, and the engaging claws 74 are positioned at the positioning notches 2d. The panel holding metal fitting 70 can be mounted at a predetermined position by engaging with. Further, an inverted triangular detachment prevention piece 78 that can be engaged with the lower surface of the joint member 2 is bent at the center portion on both sides of the vertical piece 72, and the detachment prevention piece 78 allows the ceiling panels 10A and 10B to be removed. Ceiling panel 1 for installation or rotation
The disengagement prevention piece 78 engages with the lower surface of the joint member 2 when 0A is rotated, so that the panel holding fitting 70 can be prevented from coming off from the joint member 2. Further, at both lower ends of the vertical piece 72, a pair of positioning pieces 7 that engage with the positioning notches 19c provided in the fixing ceiling panel 10B.
9 is bent, and the positioning piece 79 engages with the positioning notch 19c of the ceiling panel 10B, so that the ceiling panel 10B can be installed at a predetermined position and the ceiling panel 10B after installation can be installed. It is designed to prevent lateral movement. As shown by an imaginary line in FIG. 9, the panel holding metal fitting 70 is provided by providing the reinforcing rib 70a from the upper surface of the engaging base portion 73 to the vertical piece 72.
The strength of can be increased.

Next, the procedure for attaching the fixing ceiling panel 10B will be described with reference to FIGS. First, as shown in FIGS. 8 and 9, the engagement claw 74 of the panel holding metal fitting 70 is engaged with the positioning notch 2d of the jointing member 2 to mount the panel holding metal fitting 70 on the jointing member 2. Next, the inward locking piece 19b of the fixing ceiling panel 10B is engaged with the locking groove 71 of the one panel holding metal fitting 70 facing the other, and the other outward facing locking piece 19a faces the other panel holding metal fitting. It is engaged with the upper surface of the inward locking piece 19b of the adjacent ceiling panel 10B for fixing which is engaged with the locking groove 71 of 70 (see FIGS. 10 and 11). At this time, the positioning piece 79 engages with the positioning notch 19c of the ceiling panel 10B. Further, since the panel lifting prevention piece 75 is pushed up against the elastic force by the outward locking piece 19a, the panel lifting prevention piece 75 is pressed against the upper surface of the outward locking piece 19a by the elastic force to be returned, so that the adjacent fixing piece The ceiling panel 10B for a vehicle can be locked and fixed in a stable state. In this case, by inclining the hanging part of the inward locking piece 19b toward the standing wall and inclining the hanging part of the outer locking piece 19a outward,
The inward locking piece 19b and the outer locking piece 19a can be easily engaged with each other, and the panel floating prevention piece 75 can be securely pressed against the outer locking piece 19a (FIG. 11). reference). When the ceiling panels 10B for fixing are not adjacent to each other, the locking groove 71 of the panel holding metal fitting 70 is provided.
The panel lifting prevention piece 75 of the panel holding metal fitting 70 is pressed against the upper surface of the inward locking piece 19b that engages with.

In this way, the ceiling panel 10B for fixing is fixed.
After installation, the rotating ceiling panel 10A is rotatably attached to the long side of the fixing ceiling panel 10B via the panel hinge fitting 60 as described above, and the length on the opposite side of the rotating ceiling panel 10A is increased. The side panel is locked in the locking groove 4c of the finishing material 4, and the ceiling panel 10A is installed. In this state, when the rotating ceiling panel 10A is rotated and opened,
The self-weight of the ceiling panel 10A due to free fall may be loaded on the side of the fixing ceiling panel 10B and the fixing ceiling panel 10B may be deformed.
Since the step portion 77 provided on the elastic member 5 is elastically deformed to absorb the impact force, it is possible to prevent the fixing ceiling panel 10B from being deformed. Also, the ceiling panel 1 for fixing
When removing 0B, when the ceiling panel 10B is lifted up, the panel floating prevention piece 75 is lifted by the external force F2.
Is elastically deformed and retracts, so the panel lifting prevention piece 75
And the ceiling panel 10B are disengaged, and the ceiling panel 10
B can be removed. Therefore, by removing the fixing ceiling panel 10B from the joint member 2, it is possible to widen the ceiling inspection port and facilitate inspection and replacement of large equipment.

In the above embodiment, three ceiling panels 10A and 10B are installed in the rectangular space 3, and the central fixing ceiling panel 10B is locked and fixed through the panel holding metal fittings 70, and both sides are rotated. The case where the ceiling panel 10A for vehicle is rotatably locked to the ceiling panel 10B for fixing with the panel hinge fitting 60 has been described. However, such a structure is not necessarily required, and the ceiling panel 10A for rotation is also fixed. Panel holding metal fittings 70 similar to the above ceiling panel 10B
You may make it lock-fix via. Further, the number of ceiling panels installed in the rectangular space 3 may be any number other than three.

In the above embodiment, the case where the panel holding metal fitting 70 is attached to the joint member 2 to fix the ceiling panel is described. However, if the finishing member 4 is formed in the same manner as the joint member 2, the finishing member 4 is finished. The panel holding metal fittings 70 can be attached to 4 to fix the ceiling panel in the same manner.

[0026]

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 according to claim 1, the holding means mounted on the ceiling rail member,
An engaging groove that opens upward is formed, and an elastically deformable panel floating prevention piece is formed above the engaging groove, and the engaging piece formed on the side of the ceiling panel is attached to the holding means. Since the panel floating prevention piece is pressed against the upper surface of the locking piece while engaging with the locking groove, the ceiling panel can be easily and detachably mounted firmly. Further, since the ceiling panel does not require complicated processing, the ceiling panel can be easily processed.

2) According to the ceiling panel locking structure of the second aspect, an inward locking piece is formed on one side of one ceiling panel of an adjacent ceiling panel and the other side of the other ceiling panel is formed. An outward locking piece is formed, and the outward locking piece is engaged with the upper surface of the inward locking piece that engages with the locking groove of the holding means, and the panel floats on the upper surface of the outward locking piece. Since the preventive pieces are pressed against each other, the adjacent ceiling panels can be easily locked by the same locking portion, and the construction can be simplified.

3) According to the ceiling panel locking structure of the third aspect, a positioning notch is provided on the upper surface of the rail member,
The holding means is provided with an engaging base portion that removably engages with the upper surface and the side surface of the rail member, and an engaging claw that is bent downward from the engaging base portion and engages with the positioning notch. Therefore, the holding means can be removably attached to the rail member, and can be attached to the accurately positioned predetermined position, so that the ceiling panel can be securely locked.

4) According to the ceiling panel locking structure of the fourth aspect, since the retaining means is provided with the disengagement prevention piece that engages with the lower surface of the rail member, the retaining means vibrates when the ceiling panel is installed or an earthquake occurs. With this, the detachment prevention piece engages with the lower surface of the rail member, and it is possible to prevent the retaining means from detaching from the rail member.

5) According to the ceiling panel locking structure of the fifth aspect, the locking pieces of the ceiling panel are provided with positioning notches at predetermined intervals, and the holding means is engaged with the positioning notches. Since the positioning piece is provided so as to project, it is possible to install the ceiling panel at a predetermined position and prevent lateral movement of the ceiling panel after installation.

[Brief description of drawings]

FIG. 1 is a perspective view of a system ceiling having a ceiling panel locking structure according to the present invention as viewed from the back of the ceiling.

FIG. 2 is a plan view of the system ceiling as viewed from the back of the ceiling.

3 is a cross-sectional view taken along the line AA of FIG.

FIG. 4 is an exploded perspective view of a connecting portion between a finishing material and a joint member according to the present invention.

FIG. 5 is a perspective view showing a state where the finishing material and the joint member are connected to each other.

FIG. 6 is an exploded perspective view showing the relationship between the finishing material and the joining member.

FIG. 7 is a cross-sectional perspective view of a ceiling panel according to the present invention.

FIG. 8 is a perspective view showing a mounted state of the panel holding metal fitting in the present invention.

FIG. 9 is a perspective view showing a state where a panel holding metal fitting is attached.

FIG. 10 is an explanatory diagram of a locked state of the ceiling panel.

FIG. 11 is a sectional view of the ceiling panel in a locked state.

[Explanation of symbols]

 2 Joint member (rail member for ceiling) 2d Positioning notch 3 Rectangular space 4 Finishing material 10B Ceiling panel 19a Outward locking piece 19b Inward locking piece 19c Positioning notch 70 Panel holding bracket 71 Locking groove 73 Engaging base 74 Engaging Claw 75 Panel Lifting Prevention Piece 78 Detachment Prevention Piece 79 Positioning Piece

Claims (5)

[Claims] 1. A locking structure for a ceiling panel, wherein a ceiling panel is installed between rail members for a ceiling facing each other in parallel, and a locking groove opening upward is formed in a holding means mounted on the rail member. At the same time, an elastically deformable panel floating prevention piece is formed above the locking groove, and the locking piece formed on the side of the ceiling panel is engaged with the locking groove of the holding means. A ceiling panel locking structure, characterized in that the panel lifting prevention piece is pressed against the upper surface of the locking piece. 2. An inward locking piece is formed on a side of one ceiling panel of adjacent ceiling panels, and an outward locking piece is formed on a side of the other ceiling panel, and a locking groove of the holding means. The upper surface of the inward locking piece that engages with the outer locking piece is engaged with the upper surface of the outward locking piece, and the panel floating prevention piece is pressed against the upper surface of the outward locking piece. Ceiling panel locking structure. 3. A notch for positioning is provided on the upper surface of the rail member, and an engaging base portion that is detachably engaged with the upper surface and the side surface of the rail member is provided on the holding means, and the holding means is provided downward from the engaging base portion. The locking structure for a ceiling panel according to claim 1, wherein an engaging claw that is bent to be engaged with the positioning notch is formed. 4. The ceiling panel locking structure according to claim 1, wherein the retaining means is provided with a disconnection preventing piece that engages with the lower surface of the rail member. 5. The locking piece of the ceiling panel is provided with positioning notches at predetermined intervals, and the holding means is provided with protruding positioning pieces that engage with the positioning notches. The locking structure for a ceiling panel according to claim 1.