JP2012031584A - Junction structure of heat insulation panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a junction structure of a heat insulation panel, capable of suppressing the decline of airtightness and heat insulation of a junction (joint part) due to the peeling and position deviation of a frame material in the junction (joint part) of the heat insulation panel.SOLUTION: The junction structure of the heat insulation panel includes: a pair of upper and lower surface plates 5 and 6; a frame material 7 interposed between side parts of the upper and lower surface plates; a heat insulation core material 8 filled inside a space formed by the upper and lower surface plates and the frame material 7; and an attaching washer 10 embedded inside the heat insulation core material 8 in the state of being abutted to the inner surface of the upper surface plate 5. An end part bend piece part 21 connected to the frame material 7 is provided on the side part of the lower surface plate 6, and a fitting recessed groove 20 turning inward in the longitudinal direction is formed at the end part bend piece part 21. At the attaching washer 10, a locking piece 16 which is inserted between the fitting recessed groove 20 and the surface part of the lower surface plate 6 and is capable of being engaged with the fitting recessed groove 20 is formed. When joining the heat insulation panels with each other, an incombustible junction member 30 is fitted inside the fitting recessed grooves 20 of both the heat insulation panels to be joined, and both the heat insulation panels are joined.

Description

  The present invention relates to a joining structure of heat insulating panels constituting, for example, a ceiling or wall of a building such as a clean room or a warehouse.

  In general, for example, a heat insulating panel constituting a ceiling or a wall of a building such as a clean room or a warehouse is formed between a pair of surface plates, a frame material interposed between side surfaces of both surface plates, and both surface plates and the frame material. And a heat insulating core material made of, for example, foamed polyurethane, which is injected and filled into the space.

  In order to use the heat insulating panel configured as described above as a ceiling panel, the panel is suspended from a ceiling beam and the panels are joined to form a ceiling surface.

  In order to provide heat insulation to the panel joint (joint) in the ceiling structure, a structure in which the panel joint (joint) is covered with a nonflammable cover formed of, for example, an aluminum shape is known. (For example, refer to Patent Document 1).

  Further, as a heat insulating structure of a joint portion (joint portion) of another panel, a structure in which a metal plate for preventing thermal deformation is embedded in at least one of the frame members to be joined is known (for example, see Patent Document 2). ).

JP 2008-106566 A Japanese Utility Model Publication No. 62-167080

  However, the frame material of the ceiling panel is in intimate contact with the heat insulating core material, but the adhesiveness of the heat insulating core material is lowered due to secular change, and the frame material is greatly detached from the predetermined position due to peeling and displacement, and airtightness as a joint There is a possibility that the heat insulating property is impaired.

  The present invention has been made in view of the above circumstances, and at the joint portion (joint portion) of the heat insulation panel, it is possible to suppress the deterioration of the airtightness and heat insulation property of the joint portion (joint portion) due to the separation and displacement of the frame material. It aims at providing the joined structure of the heat insulation panel which was made to do.

  In order to achieve the above object, a heat insulating panel joining structure according to the present invention comprises a pair of surface plates, a frame member interposed between the side portions of these surface plates, and both the surface plates and the frame member. A heat insulating panel joining structure comprising: a heat insulating core material filled in a space to be formed; and a mounting washer embedded in the heat insulating core material in contact with the inner surface side of the one surface plate, The side bent portion of the other surface plate is provided with an end bent piece connected to the frame member, and the end bent piece is provided with a fitting groove extending inward along the longitudinal direction. Forming a locking piece that is inserted between the fitting groove and the surface portion of the other surface plate, and engageable with the fitting groove, on the mounting washer. When joining, a joining member is fitted in the above-mentioned fitting groove of both heat insulation panels to be joined, and both heat insulation panels are joined. It is characterized in.

  By comprising in this way, a joining member is fitted in the fitting recessed groove formed in the edge bending piece part provided in the edge part of the surface board of both the heat insulation panels joined, and both heat insulation panels Can be joined. In addition, by forming the locking piece formed on the mounting washer that comes into contact with the one surface plate so as to be engageable with the fitting groove, the frame material is peeled off due to a decrease in adhesion to the heat insulating core material. Thus, it is possible to prevent a large deviation from a predetermined position.

  In this invention, the said edge part bending piece part and the said fitting groove can be integrally formed by the bending piece bent from the side part of said other surface board.

  In the present invention, the end bent piece portion is bent from one end on the opening side of the fitting groove in the base portion and connected to the frame member. A non-flammable portion provided with a piece and a fitting groove portion that is provided at the other end on the opening side of the fitting groove in the base portion and that fits a bent piece bent from a side portion of the other surface plate. You may form with a coupling member.

  In the present invention, the joining member may be a non-flammable member. By comprising in this way, the airtightness and heat insulation of the joint part of a panel can be maintained also at the time of disasters, such as a fire, for example.

  According to this invention, since it is configured as described above, the following remarkable effects can be obtained.

  By fitting the non-flammable joining members in the fitting grooves formed in the end bent pieces provided on the side portions of the surface plates of both heat insulation panels to be joined, and joining both heat insulation panels, It is possible to maintain the airtightness and heat insulation of the joint portion of the heat insulation panel. In addition, by forming the locking piece formed on the mounting washer that comes into contact with the one surface plate so as to be engageable with the fitting groove, the frame material is peeled off due to a decrease in adhesion to the heat insulating core material. Therefore, it is possible to prevent the joint from being largely deviated from the predetermined position, and thus it is possible to suppress a decrease in the airtightness and heat insulation of the joint portion.

It is the I section enlarged plan view (b) of (a) and (a) which shows the state where the junction structure of the heat insulation panel concerning this invention is applied to the ceiling structure. It is an expanded sectional view which follows the II-II line of FIG.1 (b). It is an expanded sectional view which follows the III-III line of FIG.1 (b). It is a perspective view which shows the fitting state of the bending piece part of the frame material and surface plate in 1st Embodiment of this invention. It is a perspective view which shows the attachment washer in this invention. It is sectional drawing which shows 2nd Embodiment of this invention. It is a perspective view which shows the fitting state of the bending piece of the frame material in 2nd Embodiment, a coupling member, and a surface board. It is a perspective view which shows the coupling member in 2nd Embodiment. It is sectional drawing which shows 3rd Embodiment of this invention.

  EMBODIMENT OF THE INVENTION Below, the form for implementing this invention is demonstrated in detail based on an accompanying drawing. Here, the case where the joining structure of the heat insulation panel which concerns on this invention is used for a ceiling structure is demonstrated.

  As shown in FIGS. 2 and 3, the heat insulating panel P (hereinafter referred to as the panel P) includes a pair of surface plates 5 and 6 (hereinafter referred to as the upper surface plate 5 and the lower surface plate 6) and sides of the upper and lower surface plates 5 and 6. A frame material 7 interposed between the parts, a foaming heat insulating core material 8 such as polyurethane foam, which is injected and filled into a space formed by the upper and lower plates 5, 6 and the frame material 7, and a predetermined panel P And a mounting washer 10 whose one end is embedded in the heat insulating core member 8 and disposed at the corner, for example, at the corner.

  The upper and lower surface plates 5 and 6 are formed in a rectangular thin plate shape having a certain standard size by, for example, an aluminum alloy. In this case, end bent pieces 5 a that are bent vertically toward the opposite lower surface plate 6 are formed on each side of the upper surface plate 5.

  On the other hand, the lower surface plate 6 is formed with end bent pieces 6a that are vertically bent toward the upper surface plate 5 facing each other on the short side. In this case, the end bent piece 6 a is formed longer than the end bent piece 5 a of the upper surface plate 5. Moreover, as shown in FIG.2 and FIG.4, it is along the longitudinal direction from the front-end | tip of the 1st bending piece 6b bend | folded orthogonally from a side part to each edge | side which the long side of the lower surface board 6 opposes. An end bent piece 21 having a fitting groove 20 bent inward is formed, and an end fold bent on the opening side of the fitting groove 20 opposite to the first bent piece 6b. A curved piece 6c is formed.

  As shown in FIGS. 2 to 4, the frame member 7 extends perpendicularly to the upper and lower surface plates 5 and 6 at both ends of the plate-like joining base portion 7 a, and ends of the upper and lower surface plates 5 and 6. A vertical piece 7c having a fitting groove 7b into which the bent pieces 5a and 6a (6c) can be fitted is continuously formed. Further, a horizontal piece 7d that is bent in parallel to the upper and lower surface plates 5 and 6 from the end of the vertical piece 7c and contacts the inner surfaces of the upper and lower surface plates 5 and 6 is continuously formed. The frame member 7 is formed of, for example, a synthetic resin extruded shape member or an injection molding material.

  The adjacent frame members 7 are connected to each other by, for example, a corner material (not shown) formed of a synthetic resin injection molding material.

  As shown in FIGS. 2, 3 and 5, the mounting washer 10 includes a rectangular horizontal base piece 12 that is in contact with the inner surface of the upper upper plate 5 and one side of the horizontal base piece 12, that is, a frame member. The first upright piece 13 that is bent and extended from the side not adjacent to 7 in the thickness direction of the panel P (inward of the panel) and the horizontal base piece 12 opposite the tip of the first upright piece 13 The horizontal piece 14 that is bent and extended in parallel to the upper and lower surface plates 5 and 6, and the second upright bent from one side adjacent to the bent portion of the first upright piece 13 in the horizontal base piece 12. The piece 15 is integrally formed with a locking piece 16 that is bent and extended in parallel to the upper and lower surface plates 5 and 6 on the opposite side of the horizontal base piece 12 from the tip of the second upright piece 15. . In this case, the first and second upright pieces 13 and 15 are bent perpendicularly to the horizontal base piece 12, but may be inclined.

  A mounting hole 12a is provided in the central portion of the horizontal base piece 12, and a mounting screw receiving portion 11 communicating with the mounting hole 12a is fixed to the lower surface. The mounting screw receiving portion 11 is formed of, for example, a nut or a female screw portion carved in a mounting hole that has been subjected to burring. Further, the horizontal piece 14 is provided with a plurality of, for example, three solid through-holes 14a at appropriate intervals in the width direction of the horizontal piece 14, and the heat insulating core 8 injected and filled when the panel P is manufactured. As a result, the adhesion between the mounting washer 10 and the heat insulating core 8 is improved.

  The mounting washer 10 formed as described above is formed on the inner surface (lower surface) of the corner portion of the upper surface plate 5 with the locking piece 16 being inserted between the fitting groove 20 and the surface portion of the lower surface plate 6. The horizontal base piece 12 is brought into contact, and as described above, the connecting bolt 4a penetrating the lower flange portion 2a of the fixture 2 is fixed by screwing to the mounting screw receiving portion 11 provided in the mounting washer 10. The

  In order to produce the panel P configured as described above, first, the end bent piece 5a of the upper surface plate 5 is fitted (connected) into the fitting groove 7b of the frame member 7, and the upper surface plate 5 After the frame material 7 is framed on the side, the horizontal base piece 12 of the mounting washer 10 is temporarily bonded to the inner surface of the upper surface plate 5 via a double-sided adhesive tape. Next, the lower surface plate 6 is assembled. At this time, the end bent piece 6c of the end bent piece portion 21 having the fitting concave groove 20 is fitted (connected) into the fitting groove 7b of the frame member 7 on the long side side, and assembled and fitted. The locking piece 16 of the mounting washer 10 is inserted between the mating groove 20 and the surface portion of the lower surface plate 6 so as not to contact the fitting groove 20 and the lower surface plate 6. The frame member 7 is assembled by fitting (connecting) the bent piece 6a into the fitting groove 7b of the frame member 7 on the short side. In this way, a plurality of panels are stacked in a stacked manner via a surface plate and a spacer, and the frame material 7 is placed in the space formed by the upper surface plate 5 and the lower surface plate 6 and the frame material 7 of each of the stacked panels. A heat insulating panel is manufactured by injecting and filling the heat insulating core material 8 from the provided inlet. At this time, the heat insulating core material 8 flows through the through hole 14 a of the mounting washer 10 and uniformly contacts the upright pieces 13 and the horizontal pieces 14 of the mounting washer 10.

  Next, the ceiling structure will be described. As shown in FIG. 1, the ceiling structure has a panel P attached to a ceiling beam 1 suspended by a suspension bolt and a suspension bracket suspended from a not-shown housing (ceiling slab) via a coupling bracket 2. . In this case, the ceiling beam 1 is formed of, for example, an extruded shape made of an aluminum alloy and has a C-shaped cross section. The short side of the panel P is disposed on the lower surface of the ceiling beam 1 via the plate-like heat insulating member 3. It is preferable to attach a joint cover 9 formed of, for example, an aluminum alloy extruded shape on the lower surface side of the joint (joint portion).

  The connecting fitting 2 is formed of, for example, an extruded shape made of an aluminum alloy, and is attached so as to surround the ceiling beam 1 from the outside in a U-shape as shown in FIGS. 1 to 3, and the lower flange portion 2a. It is fixed by a connecting bolt 4a that is screwed to the mounting screw receiving portion 11 provided on the mounting washer 10 provided on the panel P that contacts the lower surface. Further, the wall portion of the connecting metal fitting 2 and the vertical piece of the ceiling beam 1 are fixed by a fixing screw 4b.

  The long side of the panel P is joined via a nonflammable joining member 30 that is fitted in a fitting groove 20 formed integrally with the lower surface plates 6 of both panels P to be joined. In this case, the nonflammable joining member 30 is formed of, for example, an extruded shape made of aluminum alloy, and is fitted over the entire length of the fitting groove 20. A heat insulating packing 7p is interposed at the joint (joint portion) of the long side panel P. A sealing material may be used in place of the heat insulating packing 7p.

  According to the joining structure of the panel P used for the ceiling structure comprised as mentioned above, the fitting formed in the edge part bending piece part 21 provided in the edge part of the lower surface board 6 of both panels P to be joined. Both the panels P can be joined by fitting the nonflammable joining member 30 into the mating groove 20. Further, by forming the locking piece 16 formed on the mounting washer 10 that is in contact with the upper surface plate 5 so as to be engageable with the fitting concave groove 20, the frame material is reduced due to the decrease in the adhesion to the heat insulating core material 8. It can prevent that 7 peels and it remove | deviates largely from a predetermined position. That is, even if the frame member 7 moves away from the predetermined position due to aging, deterioration, etc., the locking piece 16 of the mounting washer 10 engages with the fitting groove 20 and the frame member 7 is peeled off. Can be prevented. Thereby, the fall of the airtightness and heat insulation of the junction part (joint part) of the panel P can be suppressed.

  Moreover, in the said embodiment, the edge part bending piece part 21 connected with the frame material 7 and the fitting concave groove 20 which fits the nonflammable joining member 30 are bent from the side part of the lower surface board 6. FIG. Therefore, it is possible to reduce the number of constituent members and prevent the lower surface plate 6 from falling off.

  In the said 1st Embodiment, although the edge part bending piece part 21 and the fitting ditch | groove 20 were demonstrated integrally in the bending piece bent from the edge part of the lower surface board 6, another It is good also as a structure.

  For example, as shown in FIGS. 6 to 8, the end bent piece portion 21 </ b> A is bent from one end of the base 22 having the fitting groove 20 and the opening side of the fitting groove 20 in the base 22, The connecting piece 23 that is fitted and connected in the fitting groove 7 b of the material 7, and the folding that is provided at the other end of the base 22 on the opening side of the fitting groove 20 and is bent from the side of the lower surface plate 6. For example, an aluminum alloy made of a fitting groove portion 24 that fits the curved piece 6a and a horizontal piece 25 that is bent and extended from one side of the opening portion of the fitting groove portion 24 and contacts the inner surface of the lower surface plate 6 You may form by the nonflammable joint member 21A formed with an extrusion shape material.

  In the second embodiment, the other parts are the same as those in the first embodiment, so the same parts are denoted by the same reference numerals and description thereof is omitted.

  According to the joining structure of the second embodiment configured as described above, since the fitting groove 20 is formed integrally with the joint member 21A, the fitting groove 20 can be provided with rigidity, and a nonflammable joint. The fitting between the member 21A and the fitting groove 20 can be strengthened, and the panel P can be firmly joined.

  Moreover, in the said embodiment, the frame material 7 has the fitting groove | channel 7b which can fit the edge part bending pieces 5a and 6a (6c) of the upper-and-lower surface plates 5 and 6 in the both ends of the plate-shaped joining base part 7a. Although the case of the structure has been described, the frame material may have another structure.

  For example, as shown in FIG. 9, the frame member 7 </ b> A is an engagement protrusion formed in a substantially trapezoidal cross section along the longitudinal direction between the sides of the upper and lower plates 5, 6 of one panel P to be joined. Between the side portions of the strip 7e and the upper and lower plates 5, 6 of the other panel P to be joined, an engagement recess 7f having a substantially inverted trapezoidal cross section that can be fitted (engaged) with the engagement projection 7e. It may be a structure provided with. It should be noted that both ends of the engaging protrusions 7a and the engaging grooves 7b of the frame member 7A extend perpendicular to the upper and lower surface plates 5 and 6, and end bent pieces 5a and 5a of the upper and lower surface plates 5 and 6 are provided. A vertical piece 7c having a fitting groove 7b into which 6a (6c) can be fitted is continuously formed. Further, a horizontal piece 7d that is bent in parallel to the upper and lower surface plates 5 and 6 from the end of the vertical piece 7c and contacts the inner surfaces of the upper and lower surface plates 5 and 6 is continuously formed. The frame member 7A is formed of, for example, a synthetic resin extrusion-shaped member or an injection-molded member, like the frame member 7.

  In the third embodiment, the other parts are the same as those in the first embodiment and the second embodiment, so the same parts are denoted by the same reference numerals and the description thereof is omitted.

  In addition, although the said embodiment demonstrated the case where the panel P which concerns on this invention was used for a ceiling panel, the panel P which concerns on this invention can also be used for a wall panel. In this case, the upper surface plate 5 is disposed on the housing (wall slab) side, and the lower surface plate 6 is disposed on the indoor side.

P Insulation panel 5 Top plate (one surface plate)
5a End bent piece 6 Lower surface plate (the other surface plate)
6a, 6c End bent pieces 7, 7A Frame material 7b Fitting groove 8 Heat insulation core material 10 Mounting washer 12 Horizontal base piece 13 First upright piece 14 Horizontal piece 15 Second upright piece 16 Locking piece 20 Fitting recess Groove 21 End bent piece 21A Joint member (end bent piece)
22 Base 23 Connecting piece 24 Fitting groove 30 Nonflammable joining member

Claims (4)

A pair of surface plates, a frame member interposed between the side portions of the surface plates, a heat insulating core member filled in a space formed by the both surface plates and the frame member, and the one surface plate A mounting structure of a heat insulating panel comprising a mounting washer embedded in the heat insulating core material in a state of being in contact with the inner surface side,
The side bent portion of the other surface plate is provided with an end bent piece connected to the frame member, and the end bent piece is provided with a fitting groove extending inward along the longitudinal direction. Forming,
The mounting washer is inserted between the fitting groove and the surface portion of the other surface plate to form a locking piece engageable with the fitting groove.
When joining the heat insulation panels to each other, fitting the joining members in the fitting grooves in the both heat insulation panels to be joined, and joining the both heat insulation panels;
A heat insulating panel joining structure characterized by that. In the junction structure of the heat insulation panel of Claim 1,
The heat insulating panel joining structure, wherein the end bent piece and the fitting groove are formed by bent pieces bent from a side portion of the other surface plate. In the junction structure of the heat insulation panel of Claim 1,
In the base, the end bent piece portion is bent from one end on the opening side of the fitting groove in the base, and is connected to the frame member. A non-flammable joint member provided at the other end on the opening side of the fitting groove and fitted with a fitting groove that is bent from a side portion of the other surface plate. Insulating panel joining structure characterized by that. In the junction structure of the heat insulation panel in any one of Claims 1 thru | or 3,
The joining structure of a heat insulating panel, wherein the joining member is a nonflammable member.

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