JPH0627690Y2 - Ceiling panel mounting structure - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a ceiling panel mounting structure, and more specifically, a suspended ceiling type ceiling panel that constitutes, for example, a clean room, a prefabricated refrigerator or a temperature-controlled room. The present invention relates to the improvement of the mounting structure.

[Prior Art] Generally, in this type of ceiling panel mounting structure, as shown in FIG. 9, a through hole is provided in a heat insulating ceiling panel a to bury a heat insulating bolt b, and the ceiling bolt is hung on a body not shown. When the ceiling panel a is brought into contact with the lower flange d of the beam c to be formed, a heat insulating bolt b made of a hard synthetic resin is projected through a through hole e formed in the lower flange portion d, The fixing nut f is screwed to attach the ceiling panel a. Further, the decorative plate g is arranged on the lower surface of the ceiling panel a, that is, the indoor side surface, and the decorative screw h penetrating the decorative plate g is screwed to the heat insulating bolt b.

However, in the conventional ceiling panel mounting structure of this type, since it is necessary to drill holes such as through holes and through holes in the ceiling panel a and the beam members c, the processing is troublesome, and positioning at the time of mounting is difficult. However, there was a problem that it was complicated and required skill. Further, since the bolt b penetrates the ceiling panel a, a decorative plate g is provided on the indoor side surface of the ceiling panel a in order to prevent heat leakage through the bolt b and dew condensation due to this heat leakage. There was also a problem that the appearance on the indoor side was impaired.

Therefore, in order to solve these problems, conventionally, a ceiling rail member having a flange along the ceiling panel, a nut embedded in the ceiling panel, and a bolt screwed to the nut from the outside of the ceiling rail member are used for the ceiling. The mounting bracket is fixed to the panel, and both ends of the flange of the ceiling rail member and the edge part of the mounting bracket on the ceiling rail member side are provided with connecting portions, and the connecting portions are fixed by wedges or by caulking. There is known a ceiling panel mounting structure that is fixed by using
-23088). Further, in this structure, in order to embed the nut in the ceiling panel, the nut holding member made of an extruded aluminum material holds the nut in a rotation-prevented state, and extends toward the outside provided on the nut holding member. The joint portion is attached to the inner surface of the surface plate of the ceiling panel via a double-sided adhesive tape.

[Problems to be Solved by the Invention] However, in the structure described in Japanese Utility Model Application Laid-Open No. 59-23088, it is necessary to fix the mounting bracket and the ceiling rail member with a wedge or by caulking. Therefore, many members and processes are required for installation work,
There is a problem of poor workability.

Further, when the nut is embedded in the ceiling panel, in the structure in which the joint part of the nut holding member is attached to the inner surface of the surface plate of the ceiling panel via the double-sided adhesive tape, the nut and the mounting hole provided in the ceiling panel are matched with each other. There is also a problem that it takes time to align the positions.

[Means for Solving Problems] The present invention was made to solve the above problems. In order to solve the above technical problems, a through hole or a through hole is provided in a ceiling panel or a beam member. A ceiling panel mounting structure is provided in which the corner support fittings embedded in the ceiling panel that is accurately positioned and the fixing fittings that engage with the beam can be easily connected with the fixing bolts Is what you are trying to do.

That is, the present invention relates to a ceiling panel mounting structure in which a plurality of heat-insulating ceiling panels connected to each other are fixed to a support rail suspended from a body by a fixing means.
In the inner corner of the ceiling panel, a corner support fitting having a female screw portion and a through hole communicating with the female screw portion is embedded, and a mounting hole communicating with the female screw portion and the through hole is formed in the upper surface plate of the ceiling panel. However, the lower part of the support rail has an inverted T
It is formed in a V-shaped cross section. Standing strips are provided at both ends of the lower flange portion of the rail body, and the fixing means has an abutting piece that abuts the upper surface of the ceiling panel at one end of the main body having a substantially cross-sectional shape, and the other end is engaged with the standing strip. Have hanging pieces that fit together,
Also, a connecting fitting having a long hole-like through hole along the line connecting the abutting piece and the depending piece in the center of the main body, and a screw connection to the female thread portion through the through hole of the connecting fitting and the mounting hole. It is composed of a fixing bolt to
Any one of the standing strips of the support rail is formed in a bifurcated shape so as to engage with the other, and the periphery of the mounting hole of the ceiling panel,
It is an object of the present invention to provide a ceiling panel mounting structure, characterized in that one of the peripheries of the through holes of the corner support fitting is provided with a standing edge that communicates with the other end.

In this invention, it is preferable that the contact piece of the connecting fitting extends outward from the lower part of one end of the connecting fitting body in a substantially orthogonal manner.

Further, the hanging piece of the connecting fitting may be any as long as it engages with the lower flange of the support rail,
It is preferable to attach a fall-prevention elastic body. A sponge, a spring or the like can be used for this elastic body.

Further, the corner support fitting may be any one as long as it is embedded in the inner corner of the ceiling panel and has a female screw portion and a through hole communicating with the female screw portion, but is preferably the ceiling panel It is preferable that the support metal fitting body is in contact with the upper surface plate, and the internal thread nut is fixed to the support metal fitting body so as to communicate with the through hole formed in the support metal fitting body.

Further, the corner support fittings and the connecting fittings are used in a pair relationship, but it is not always necessary to prepare the corner supporting fittings and the connecting fittings, and for example, a pair of ceiling panels connected in the longitudinal direction of the support rails. A fixing bolt may be screwed into each of the corner support fittings embedded in the connecting portion side of the fitting bracket through two through holes formed in one connecting fitting.

[Operation] According to the ceiling panel mounting structure of the present invention configured as described above, the contact piece of the connecting fitting is brought into contact with the ceiling panel, and the hanging piece of the connecting fitting is engaged with the upright strip of the support rail. Through the through holes or through holes in the ceiling panel and the support rails by connecting the fixing bolts through the elongated through holes of the connecting fittings and screwing them into the female threads of the corner support fittings embedded in the ceiling panel. The ceiling panel can be mounted easily and accurately without performing the drilling process.

[Embodiment] An embodiment of the present invention will be described below with reference to the drawings.

1 and 2 are a sectional view and a perspective view showing a mounting state of a first embodiment of a ceiling panel mounting structure of the present invention.

The mounting structure of this invention has a suspension bolt on the body not shown.
Ceiling panels 10, which are suspended with 60 and connect to each other,
Support rails 20 for fixedly supporting 10 and ceiling panels 10, 10
Of the connecting bracket 40 that abuts the upper surface of the connecting rail 40 and that engages with the lower flange 25 of the support rail 20, and a corner support embedded in the ceiling panel 10 through the elongated through hole 42 formed in the connecting bracket 40. It is composed of a fixing bolt 50 that is screwed to the female screw portion 32 (specifically, the nut 34) of the metal fitting 30. In this case, the connecting member 40 and the fixing bolt 50 constitute a fixing means.

In the ceiling panel 10, a heat insulating core material 13 such as foamed polyurethane is filled between a pair of metal surface plates 11 and 12, and an edge portion thereof has a recessed line 14 in which adjacent ceiling panels are fitted to each other. Alternatively, it is formed of a heat insulating panel to which the frame members 16 and 17 having the ridges 15 are attached.

As shown in FIGS. 3 to 5, the corner support fitting 30 embedded in the inner corner of the ceiling panel 10 configured as described above is a corner support fitting main body that contacts the upper surface plate 11 of the ceiling panel 10. Through-holes communicating with the mounting holes 18 formed in the upper surface plate 11 are provided in the central portion of the support fitting body 31 at the central portions of the supporting metal fitting body 31. 36 is bored, and a nut 34 having a female screw portion 32 communicating with the through hole 36 is fixed by a fixing means such as welding. Also,
An anchor portion 35 that bends in an L-shape is provided in a protruding manner on a side of the support fitting body 31 that faces one of the cut portions 33. in this case,
As shown in FIG. 6, a rising edge 19 is provided at the periphery of the mounting hole 18 of the upper surface plate 11 of the ceiling panel 10 downward, that is, toward the core material side (upper side in the drawing), and this rising edge 19 is used as a corner support fitting. By engaging with the through hole 36 of 30, the standing edge 19 and the female threaded portion 32 can be communicated and engaged, and the corner support fitting 30 can be easily positioned at a desired position of the corner of the ceiling panel 10. Can be buried. In addition, corner support metal fittings
A similar effect can be obtained by providing a rising edge 19 'on the periphery of the through hole 36 of the 30 toward the mounting hole 18 of the upper surface plate 11 and engaging the rising edge 19' with the mounting hole 18 (first (See Figure 6A).

The support rail 20 is formed of, for example, an extruded aluminum shape member, and both ends of a lower flange of a main body 20a having an inverted T-shaped cross section in which a lower flange 25 projecting orthogonally to the lower end of a vertical plate 21 is provided. On the upper end of the vertical plate 21, a recessed line 24 having a narrow narrow opening 23 is provided.

The connecting fitting 40 is formed of, for example, an aluminum shape member, and has a main body 41 having a substantially cross section, an abutting piece 43 extending outward from the lower end of one end of the main body 41 in a substantially orthogonal manner,
It is composed of a hanging piece 44 formed in a bifurcated shape at the other end of 41,
In addition, an elongated through-hole 42 is formed in the center of the main body 41 along the line connecting the contact piece 43 and the hanging piece 44. In this case, the elongated hole-like through hole 42 may be one, but it may be two elongated hole-like through holes 42, 42 which are parallel to each other as shown in FIG. In addition, a plurality of parallel serrated strips 45, 45, for preventing slippage are formed on the upper surface of the connecting fitting body 41.
In the connecting fitting 40 configured in this manner, the contact piece 43 contacts the upper surface plate 11 of the ceiling panel 10, and the bifurcated hanging piece.
The fixing bolts 50 that penetrate the elongated through holes 42 in a state where the 44 is engaged with the upright strips 26 of the support rail 20 are fixed. Therefore, the connecting fitting 40 can be set easily and surely.

Next, a procedure for attaching the ceiling panels 10 and 10 will be described.

First, the ceiling panels 10, 10 connected to each other via a packing 27 are brought into contact with the lower surface of the lower flange 25 of the support rail 20 suspended by the body with the hanging bolts 60, and then the contact pieces of the connecting metal fitting 40. 43 is brought into contact with the upper surface plate 11 of the ceiling panel 10, and the hanging piece 44 is engaged with the upright strip 26 of the support rail 20. Then, the fixing bolt 50 penetrating the long hole-shaped through hole 42 of the connecting metal fitting 40 via the washer 52 is attached to the mounting hole of the ceiling panel 10.
By screwing to the female threaded portion 32 of the nut 34 via 18, the coupling fitting 40 is fastened by the principle of "lever" with the contact piece 43 portion as a fulcrum, and the ceiling panels 10, 10 ... Mounted. In this case, as shown in FIG.
Two ceiling panels 10, 10 connected to each other can be attached by two connecting fittings that engage with the standing ridges 26, 26 of the support rail 20, and as shown in FIG. By using the one in which two parallel long hole-shaped through holes 42, 42 are formed in 40, the adjacent ceiling panels 10, 10 along the longitudinal direction of the support rail 20 can also be mounted, so that 4 The ceiling panels 10, 10 ... Can be installed at the same time. After that, the caulking 70 for sealing is applied to the joints on the lower surfaces of the ceiling panels 10 and 10, and the mounting work is completed.

FIG. 7 shows another embodiment of the connecting fitting, in which the support rail is formed of two constituent members. That is, the support rail 20 is attached to the vertical plates 21a, 21a fixed to each other.
And shaped parts 22, 22 formed to cooperate with the upper ends of the vertical plates 21a, 21a to form the narrow opening 23a, and the vertical plates 21a, 2
This is a case where it is configured by lower flange half bodies 25a, 25a extending outward from the lower end of 1a in an orthogonal direction, and upright strips 26, 26 standing upright at the tips of the lower flange half bodies 25a, 25a. .

In the above-described embodiment, the case where the hanging piece 44 of the connecting fitting 40 has a bifurcated shape has been described. However, when the hanging piece 44 of the connecting fitting 40 is not a bifurcated shape, as shown in FIG. Article
The connecting metal fitting 40 can be reliably set also by forming the bifurcation 26.

FIG. 8 is a cross-sectional view showing another form of the connecting fitting in the present invention, which is a case where the setting of the connecting fitting is further facilitated. That is, a fall-prevention elastic body 46 made of, for example, a sponge is attached to the lower surface of the connecting fitting 40 on the hanging piece 44 side, and this elastic body 46 contacts the upper surface plate 11 of the ceiling panel 10 when the connecting fitting 40 is set. This is the case when they are contacted. In this case, the elastic body 46 does not necessarily have to be formed of a sponge, and the upper surface plate 11 of the ceiling panel 10 is similarly set when the connecting fitting 40 is set.
It may be formed by a spring that abuts against.

[Effects of the Invention] As described above, according to the ceiling panel mounting structure of the present invention, since it is configured as described above, the following effects can be obtained.

1) Make a long through hole along the line connecting the abutment piece and the hanging piece in the connecting metal fitting body, and connect either the hanging piece of the connecting metal fitting or the standing rail of the support rail to the other. Since it is formed in a bifurcated shape so as to fit, the connecting fitting can be easily and reliably set on the support rail.

2) By screwing the fixing bolts to the corner support fittings, the connecting fittings are fastened according to the principle of "lever", and the ceiling panel and the support rail can be firmly pulled together. It can be firmly attached, and it is possible to prevent displacement of the ceiling panel and opening of joints.

3) According to the above 2), the module of the ceiling panel can be accurately assembled and the heat insulation performance can be improved.

4) Since the corner support fittings are embedded in the ceiling panel, it is not necessary to drill holes such as through holes or through holes in the ceiling panel and the support rails, and workability can be improved. Further, since either one of the peripheral edge of the mounting hole of the ceiling panel and the peripheral edge of the through hole of the corner support fitting is provided with a rising edge that communicates with the other, the corner support fitting can be easily placed at a desired position in the ceiling panel. It can be embedded after positioning in

5) Since there is no penetration or protrusion on the inside for supporting anything,
It is possible to improve the design value without worrying about adhesion of dust or the like.

[Brief description of drawings]

FIG. 1 is a sectional view showing a ceiling panel mounting structure of the present invention, FIG. 2 is a sectional perspective view thereof, and FIG. 3 is a bottom view showing an engaged state of the ceiling panel and a corner support fitting in the present invention. FIG. 4 is an enlarged perspective view of an essential part of FIG. 3, FIG. 5 is a perspective view of a corner support fitting in the present invention, and FIG. 6 is a sectional view showing another engagement state of the ceiling panel and the corner support fitting in the present invention. FIG. 6A is a sectional view of a main part showing still another engaged state of the ceiling panel and the corner support fitting, FIG. 7 is a sectional view showing another embodiment of the present invention, and FIG. 7A is a support in the present invention. FIG. 8 is a sectional view showing a main part of another engagement state of the rail and the connecting fitting, FIG. 8 is a sectional view showing another embodiment of the connecting fitting in the present invention, and FIG. 9 is a sectional view showing a conventional ceiling panel mounting structure. Is. Reference numeral (10)… Ceiling panel (11)… Upper surface plate (18)… Mounting hole (19, 19 ′)… Standing edge (20)… Support rail (25)… Lower flange (26)… Standing strip ( 30)… Corner support bracket (32)… Female thread (34)… Nut (40)… Coupling bracket (42)… Elongated hole (43)… Abutment piece (44)… Pendant piece (46)… Elastic Body (50) -fixing bolt

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Toshiyasu Nakamura 500 vinegar, Torahime-cho, Higashiasai-gun, Shiga Japan Shiga factory, Nippon Light Metal Co., Ltd. (72) Keiji Osawa 500 vinegar, tiger-hime, Higashiasai-gun, Shiga Light Metal Co., Ltd. Shiga Factory (72) Inventor Yoshihisa Shimauchi 500 Vinegar, Torahime-cho, Higashiasai-gun, Shiga Nippon Light Metal Co., Ltd. Shiga Factory (56) References: Sho 59-23088 (JP, U)

Claims (5)

[Scope of utility model registration request] 1. A ceiling panel mounting structure for fixing a plurality of heat-insulating ceiling panels connected to each other to a support rail suspended from a frame by a fixing means, wherein a female screw portion and this female screw portion are provided at inner corners of the ceiling panel. A corner support fitting having a through hole communicating with the above is embedded, and a mounting hole communicating with the female screw portion and the through hole is bored in the upper surface plate of the ceiling panel, and the lower portion of the support rail has an inverted T-shaped cross section. Erecting strips are provided at both ends of the lower flange portion of the rail main body formed on the upper end of the rail body. A connecting fitting having a hanging piece that engages with the ridge, and having a long hole-shaped through hole along the line connecting the abutting piece and the hanging piece at the center of the main body, and the through hole of this connecting fitting. And female via the mounting hole It is composed of a fixing bolt that is screw-connected to the threaded portion, and one of the hanging piece of the connecting fitting and the standing strip of the support rail is formed into a bifurcated shape so as to engage with the other, and the ceiling is formed. A ceiling panel mounting structure, characterized in that either one of the peripheral edge of the mounting hole of the panel and the peripheral edge of the through hole of the corner support fitting is provided with an upright edge that is in communication with the other. 2. The ceiling panel mounting structure according to claim 1, wherein the abutting piece of the connecting fitting extends outward from the lower part of one end of the connecting fitting main body in a substantially orthogonal manner. 3. A nut for a female screw portion fixed to the support fitting body so that the corner support fitting is in communication with the support fitting body that contacts the upper surface plate of the ceiling panel and the through hole formed in the support fitting body. The ceiling panel mounting structure according to claim 1, which comprises a utility model registration claim. 4. A corner support fitting embedded in the connecting portion side of a pair of ceiling panels connected in the longitudinal direction of the support rail is inserted through two through holes formed in one connecting fitting. The mounting structure for a ceiling panel according to claim 1, wherein the fixing bolts are screwed together. 5. A ceiling panel mounting structure according to claim 1, wherein the falling piece of the connecting metal fitting is fitted with a fall-preventing elastic body.