JPS61282531A - Apparatus for connecting ceiling panel - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention provides a method for connecting ceiling panels of a panel assembly type room with a ceiling, such as a clean room (abundance room), inside a building. The present invention relates to a ceiling panel connection device, particularly a connection device using a suspended ceiling method.

(Prior art) For example, when installing a panel assembly type clean room in a factory, a suspended ceiling method is generally adopted for the ceiling, and the ceiling panels are connected to each other by a connecting device configured according to this suspended ceiling method. be done. 12 and 13 show a conventional example of such a connection device in a plan view and an enlarged vertical cross-sectional view. As shown in FIG. ..., the adjacent panels A and A in the front and back of each row are connected by each panel hanging fitting B, and the cross section is divided into the panel hanging fittings B, which are arranged side by side facing each other in two rows on the left and right. A horizontally H-shaped connecting bar C is inserted through each tapered metal fitting to connect the ceiling panels A... to each other across the left, right, front, and back. The panel hanging fittings B are attached to the ceiling panel A by bolts H, and each panel hanging fitting B is attached to the ceiling panel A by a bolt H. Further, the side end surfaces of adjacent ceiling panels A are butted against each other with the sealing member 1 interposed therebetween.

(Problems to be Solved by the Invention) However, according to the conventional connection device as described above, the panel hanging fitting B is installed by straddling both of the adjacent ceiling panels A, A. The installation work can only be done on-site, which increases the amount of on-site work, and it is not easy to insert the long connecting bar C into the row of panel hanging brackets B attached to the ceiling panels A...on-site. Therefore, the workability of the ceiling was poor.

(Technical Means for Solving the Problems) In view of the above-mentioned problems, the present invention aims to provide a connecting device that requires as little installation work as possible on-site and is easy to operate. The technical means is that at least two ceiling panels are combined to form a four-corner meeting area, and the top side of the meeting corner of each ceiling panel is placed on the top side of the meeting corner of each ceiling panel. A corner fitting with an illumination stop is attached, and a support bar is suspended horizontally above the ceiling panel, and the support bar has two corner fittings at the four corner joints of the ceiling panel at opposing positions above each other. Bolt insertion holes are provided, and hanging bolts are inserted into these two bolt insertion holes, so that these two hanging bolts form the ridge lines of a square pyramid, with the hanging bolts facing inward toward each other (in an inclined state). The heads are respectively hooked to the Bordeaux hooks of the corner fittings, and nuts are screwed onto the protruding ends of these hanging bolts that protrude upward from the bolt insertion holes.

(Example) Examples of the present invention will be described below based on FIGS. 1 to 10.

FIG. 1 shows a clean room installed inside a factory, in which the connection device of the present invention is commonly used to connect ceiling panels of this clean room.

As shown in Fig. 1, this ceiling panel connection device consists of, for example, four ceiling panels that are combined in an aligned state in the left-right and front-back directions, and each ceiling panel l has four corner joints M formed at six locations. A corner fitting 4 having a bolt head hooking part 3 is attached to the upper surface side of the protruding corner part 2 as shown in FIG. By means of hanging rods 6 and connecting pieces 7.8 at multiple locations,
The support bar 5 is suspended horizontally along the panel joint line extending in the front-rear direction, and is attached to the center part or11 of the four corner joints M from the bolt head hooking part 3 of each corner fitting 4. Bolt insertion hole 9 is located vertically above the offset position.
・These q bolt insertion holes 9...
Insert the hanging bolts 10 into the ridges of the hanging bolts 10, respectively, and insert the hanging bolts 10 into the ridges of the hanging bolts lO... with the hanging bolts 10 inwardly inclined to each other so as to form the ridge lines of a quadrangular pyramid. · are respectively hooked to the bolt head hooking portions 3 of the corner fittings 4..., and these hanging bolts 10... protrude upward from the bolt insertion holes 9... of the support bar 5. Nut 11 at the end...
Screw them on, and then attach these two hanging bolts 10.
This is a device in which the ceiling panels are tightened from the outside with tightening clamps 12, thereby connecting the ceiling panels in a state where they are attracted to each other.

To explain the structure of the above-mentioned device in more detail, each corner fitting 4 is made of a steel plate and has a planar shape similar to that of a right-angled isosceles triangle with the top portion cut off, as shown in FIGS. 2 and 3. The main body consists of mounting parts 4a, 4a formed on the isosceles part of the isosceles triangle, and a main body flat plate part 4b which is raised one step higher between these mounting pieces 4a+4a and is shaped like a right-angled isosceles triangle in plan view. The flat plate part 4b has a notch groove 13 which is approximately V-shaped in plan view and is formed by notching from the base of the right isosceles triangle along the bisector of its apex angle. The bolt head hooking portion 3 is constituted by the groove portion 13 and the concave space portion 14 formed on the back side of the main body flat plate portion 4b. When installing the corner fittings 4, place the corner fittings 4 on one side of the meeting corner of each ceiling panel 1 at a ceiling panel manufacturing factory, etc., and insert the screws 15 from the mounting portions 4a, 4a as shown in Fig. 2. As shown in FIG. 3, the ceiling panel 1 is screwed into the edge member 18 of the ceiling panel 1 (this ceiling panel 1 has outer panels 17 and 17 made of steel plates etc. on both sides of the panel body 16 made of urethane etc.).
At the same time, edge members 18 having an M-shaped cross section made of extruded aluminum or the like are attached to the front, rear, left, and right side end surfaces of the panel body 16. In addition, the support bar 5 is
Made of shaped steel, multiple sets of hanging rods 6 and connecting pieces 7.8 are hung from support beams or ceiling slabs suspended horizontally on the ceiling of the factory.
Each hanging rod 6 is suspended horizontally at an appropriate height by a turnbuckle 19.

The lower wall portion 5a of this support bar 5 has two bolt insertion holes 9, front, rear, left and right at positions corresponding to the upper portions of each of the four corner portions M.
... are arranged, and each insertion hole 9 has a size such that it can be tilted as appropriate with the hanging bolt 10 inserted therein.

The tightening clamp hand 1112 is screwed into the hanging bolt 10 with two strip-shaped steel plate clamp pieces 21 each having a notched hole 20.2G for engaging the hanging bolt at both ends, as shown in FIG. It has four nuts 22... and is suspended from the support bar 5 at the four corner joints M.
Two hanging bolts lO, which are hung on the corner fittings 4...
... are engaged with the two clamp pieces z1... so as to surround them from the outside, and the nuts 22 are screwed onto these hanging bolts 10 in advance, respectively.
By turning the clamp pieces 21 and lowering them along the hanging bolts 10 forming the ridgeline of the square pyramid, the hanging bolts 10 are tightened and the ceiling panel is tightened. The protruding corners 2... are strongly pulled toward the center 0 of the four corner protruding parts M. In order to engage these two clamp pieces 21... with the hanging bolts 10..., for example, the two front and rear clamp pieces 21,21 are positioned at the same level, and the other two (left and right) ) Clamp pieces 21 and 21 are positioned above or below the clamp pieces 21 at different levels, and each clamp piece 21 has its notched holes 20° and 20 facing inward, and these notched holes are connected to two adjacent hanging bolts. 10.10 may be engaged.

Next, we will explain how to connect ceiling panels in a clean room shown in Figure 1 using the connection device described above.
This will be explained using figures (a) to (e).

Incidentally, the peripheral side walls of this clean room are formed to stand up until the ceiling panel is connected to form the ceiling.

First, while arranging the ceiling panels 10 along the upper surface of the peripheral wall portion in a horizontally and longitudinally aligned manner, the side end surfaces of each ceiling panel 10 are connected to each other via the retaining member 23 from FIG. 6 (A). b)). On the support bar 5, there are two hanging bolts lO, placed at corresponding positions above each of the four corner meeting parts M of the ceiling panels arranged as described above.
.
The head of each hanging pole 10 is hooked to the bolt head hooking portion 3 of the corner fitting 4 attached to the upper surface of the protruding corner portion 2 of the bolt. For this latching operation, push out the lower ends of each of the two hanging bolts lO... from the rectangular prism state shown in FIG. 6(B) to the state shown in FIG. At the same time, loosen each nut 11 and pull down each hanging bolt 10, and from this state, each hanging bolt 10
Insert the head into the bolt head latching part 3 of each corner fitting 4 and
The state is shown in figure (d). Even in the state shown in FIG. 6(d), the two hanging bolts 1G are each tilted inward to form the ridgeline of a quadrangular pyramid, and therefore, in this state, each ceiling panel l is The suspension bolts 10 are attracted to each other by the tensile force toward the center of the four corner joints M that acts on each suspension bolt 10 due to its own weight, and are joined together. Then, as shown in FIG. 6(e), the two hanging bolts 10 are tightened by the tightening clamp means 12, so that the ceiling panels 1 are firmly joined to each other. In the state shown in FIG. 6(d), the horizontal level of each ceiling panel 1 is determined while adjusting the hanging height of each hanging pole 10 using each nut 11.

FIG. 7 shows the procedure for assembling the circumferential wall in the clean room. In assembling the circumferential wall, the corner panel 25 is first erected against the floor rail 24, and the wall panels 26... As shown in FIG. 8, a liner 27 for adjustment is appropriately inserted between the floor rail 24 and the bottom of the wall panel 26 or corner panel 25. In addition, when installing the wall panel 26, as shown in FIG. and fix it.

An edge member 18 having an M-shaped cross section is attached to the wall panel 26 on its peripheral end surface, similar to the ceiling panel l, and a spacer 29 is attached to the upper end of the wall panel 26 in the recess of the edge member 1B. is attached with screw 30.

FIG. 10 shows the state in which the ceiling panel 1 or the wall panel 26 are joined to each other, and there is a gap between one panel 1 or 26 and the other panel 1 or 26 that engages with the edge members 18 and 18 of both sides. An engaging member 23 made of a hollow member is inserted, and this retaining member 23 is normally screwed to the edge member of one panel 1 or 26 in advance. FIG. 11 shows a state where a part of the corner of the wall panel 26 and the ceiling panel 1 are joined. The end of the wall panel 1 is placed on the upper end of the wall panel 26 and fixed with screws 32, and the ceiling A ceiling corner cover 33 is attached to the outer end of the panel 1.

(Effects of the Invention) According to the connecting device of the present invention, the corner fittings can be attached to the panel in advance at a panel manufacturing factory, etc., so that the hanging bolts can be hung on the support bar at the site, and the ends of the hanging bolts can be All you need to do is to hook it to the hook on the corner bracket attached to the ceiling panel, so the on-site work is much less compared to conventional equipment, and the operation is simple and easy. Since the two hanging bolts form the ridgeline of a square pyramid, the meeting corners of each ceiling panel are attracted to each other, making it possible to securely connect the panels.

[Brief explanation of the drawing]

Fig. 1 is an external perspective view of a clean room showing an embodiment of the present invention, Fig. 2 is a cross-sectional plan view of a ceiling panel connection device, Fig. 3 is a sectional view taken along the line ■-■ in Fig. 2, and Fig. 4 is a cross-sectional view of the ceiling panel connection device. Figure 2 is a side view seen from the arrow ■. Figure 5 is a plan view of the clamp piece.
Figures (A) to (E) are explanatory sectional views showing how to connect ceiling panels using a ceiling panel connecting device, Figure 7 is an explanatory view showing how to attach corner panels and wall panels in a clean room, Figures 8 and Fig. 9 is an explanatory diagram showing how to attach the panel to the floor rail, Fig. 10 is a sectional view showing how the wall or ceiling panels are joined to each other, and Fig. 11 is a sectional view showing how the wall panel and ceiling panel are joined. 12 and 13 are a plan view and a vertical sectional view of a conventional device, respectively. 1... Ceiling panel, M... Four corner meeting parts, 2... Meeting corner parts, 3... Bolt head hooking parts, 4... Corner fittings, 5
... Support bar, 9... Bolt insertion hole, 10... Hanging bolt, 11... Nut, 12... Tightening clamp means, 20... Notch hole for engaging hanging bolt, 21...
Clamp piece, 22...Nut.

Claims (1)

[Claims] At least four ceiling panels are combined to form a four-corner joint, and a corner fitting with a bolt head hook is attached to the top side of the corner of each ceiling panel, and is supported above the ceiling panel. A bar is suspended horizontally, and bolt insertion holes are provided on this support bar at opposing positions above each of the four corner fittings at the four corner joints of the ceiling panel, and the suspension bolts are inserted into these four bolt insertion holes. Then, in a state where these four hanging bolts are inclined inwardly to each other so as to form the ridge lines of a square pyramid, the heads of these four hanging bolts are respectively hooked to the bolt head hooking portions of the corner fittings, and the bolt insertion holes are A ceiling panel connection device in which nuts are screwed onto the protruding ends of these hanging bolts that protrude upward.