JP3726076B2 - Insulation panel connection structure and connection bracket - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a connecting structure for connecting a heat insulating panel when used in constructing a large refrigerator or freezer as a building.
[0002]
[Prior art and problems to be solved by the invention]
The construction of large-sized refrigerators and freezers that are buildings is an assembly in which these are connected using heat insulation panels. The heat insulation panel is made by filling the front and back plates of a thin metal plate with a heat insulating material made of resin foam, and this panel (ceiling plate or wall plate) is connected and connected to form a building. A screw nail such as a coach screw is used between the board and the wall corner), and a sealing agent that also serves as an adhesive is used to connect adjacent panels.
[0003]
In particular, means for using metal fittings for pulling each other's panels for connection between adjacent panels is known. This metal fitting is called a fastener, has a T-shaped base that serves as an anchor, an eccentric hook is provided at the tip of one metal fitting, a receiving shaft is provided on the other metal fitting, and each metal fitting is embedded in the end surface of the panel. By hooking the eccentric hook on the receiving shaft, the rotation of the hook becomes a pulling action, and the adjacent panels are connected to each other.
[0004]
However, since the metal fitting is disposed at the center of the end face of the panel, it is difficult to use it for the panel corner portion. Moreover, the connection strength is maintained by embedding the T-shaped base portion in the foamed resin to exhibit the anchor function. Therefore, it cannot be said that the support strength of the metal fitting is necessarily high. Further, the resin foaming is performed in a state where it is accurately fixed at a predetermined position in the center of the end face, and the manufacturing is complicated.
[0005]
Therefore, the present invention proposes a fastener fitting that can be used for a corner portion and that can be easily positioned, and a construction panel connecting structure using the fitting.
[0006]
[Means for solving the problems]
The connection bracket of the heat insulation panel according to the present invention includes a hook bracket provided with an eccentric hook mechanism portion whose moving hook action position moves in the central axis direction by a rotating operation, and a shaft bracket provided with the hook hook receiving shaft. It is composed of a pair of members, and both metal fittings are provided with a main body portion obtained by bending a metal plate into a flat rectangular tube shape, and the eccentric scissors mechanism and the opposite surface when the end surfaces of the main body portions of both metal fittings are opposed to each other, A bearing shaft is provided.
[0007]
Moreover, the connection structure of the heat insulation panel according to the present invention is formed by filling the heat insulating material by resin foam between the thin metal plates, and in the heat insulation panel in which the connection portion is the uneven fitting structure, The above-mentioned metal fittings or shaft metal fittings are incorporated together with the thin metal plates at locations on the back surface of adjacent thin metal plates and at the corners of the panels, and correspond to the metal fittings or metal shaft fittings to be connected. The other metal fitting is assembled at the position, and the heat insulating panel is connected and connected by both metal fittings.
[0008]
Therefore, since the main body of the connecting metal fitting is attached to the corner of the thin metal plate, the metal fitting can be incorporated on either the front or back side of the panel or both of the front and back sides, and the positioning of the metal fitting is easy. . Further, the main body and the thin metal plate can be directly bonded and fixed, the support strength of the connection fitting can be increased, and the connection of the panel corner portion can be easily realized.
[0009]
Embodiment
Next, an embodiment of the present invention will be described. The connecting metal fitting shown in the embodiment is a metal fitting 1 and two types of shaft fittings 2 and 3. It is used in a combination of the saddle fitting 1 and the shaft fitting 2 (shaft fitting 3).
[0010]
As shown in FIG. 1 (a), the saddle fitting 1 is obtained by incorporating an eccentric scissor mechanism portion 12 into a main body portion 11 formed by bending a metal plate into a flat rectangular tube shape. The portion 11 has a shape in which one of the opposing side surface portions is partially missing (missing portion 115).
[0011]
That is, a bonding side surface 111 having a predetermined width and height sufficient for bonding to a thin metal plate, which will be described later, a working end surface 112 from which the casing 121 of the eccentric scissor mechanism portion 12 protrudes, and a side opposite to the working end surface 112 The anchor end surface 113 and the opening side surface 114 facing each other with the working end surface 112 interposed therebetween are provided.
[0012]
The eccentric scissor mechanism 12 includes a rotating shaft 121 and a hanging rod 122. The rotating shaft 121 is rotatably mounted between the adhesive side surface 111 and the opening side surface 114. The shaft head is exposed on the surface side, and an operation hole 123 having a hexagonal hole shape is provided in the exposed portion. Further, the hanging body 122 is rotated integrally with the rotating shaft 121, and the outer peripheral edge is eccentric so as to be spiral around the rotating shaft 121, and the peripheral edge is bent. In particular, the hanging rod portion 124 protrudes from the working end surface 112 by a turning operation from a state where it is housed in the back of the acting end surface 112 by a turning operation, and further accompanying the turning operation. Thus, the protruding portion is provided so that the hooking portion 124 shifts from a larger turning radius to a smaller turning radius.
[0013]
As illustrated in FIG. 1B, the shaft bracket 2 is provided with a receiving shaft 22 on a main body portion 21 formed by bending a metal plate into a flat rectangular tube shape. Similarly to the main body 11, one of the opposing side surfaces is partially missing (missing portion 215). That is, the adhesive side surface 211, the working end surface 212, the anchor end surface 213 opposite to the working end surface 212, and the opening side surface 214 facing each other across the working end surface 212 are provided.
[0014]
Further, the receiving shaft 22 is formed by opening a part of the working end surface 212 and projecting a part of the main body portion 21 at an opening portion to be bent into an arcuate surface.
[0015]
As illustrated in FIG. 2, the shaft fitting 3 is formed by bending a metal plate, and an arcuate surface is formed on the front edge of the bonding surface portion 31 having a predetermined area (area where sufficient bonding strength can be obtained). A receiving shaft portion 32 that is curved in a protruding manner is provided, and an anchor plate portion 33 is provided on both sides of the bonding surface portion 31 via steps.
[0016]
Next, the connection structure of the heat insulation panel using the said metal fitting is demonstrated. The heat insulating panel 4 is provided with a heat insulating material layer 42 formed by filling with resin foam between front and back plates (thin metal plates) 41, and provided with a fitting convex portion 43 and a fitting concave portion 44 at a connecting portion. It is a thing.
[0017]
The fitting convex portion 43 is provided with a rod-shaped resin material 45 in advance for foaming or having a convex shape using a known resin end face member. Similarly, the fitting recess 44 is formed by using a resin end face material or by applying a suitable closing material at the time of foaming to ensure the recess shape.
[0018]
In addition, although the formation location of the fitting uneven | corrugated | grooved part of the heat insulation panel 4 is a panel end surface in the case of the panel for plane connection, in the panel for using for a coherer location, it forms in one edge part of a panel back surface. To do.
[0019]
Of course, in addition to the example described above, the heat insulating panel 4 to be connected is a known resin frame that is connected by inserting the bent side of the end face of the thin metal plate (or both sides of the groove forming portion). The one adopted may be used.
[0020]
The connecting fittings 1, 2, and 3 are assembled in advance when the heat insulating panel 4 is formed (resin foaming).
[0021]
As shown in FIG. 4, the mounting of the metal fitting for flat plate connection (first embodiment) uses the metal fittings 1 and 2, and the bonding side surfaces 111 and 211 of the metal fitting 1 and the shaft metal fitting 2 are thin metal plates. Adhering is performed using an adhesive or a double-sided adhesive tape at a position where the working end surfaces 112 and 212 are attached to the connection end surface of the panel. Of course, a part of the panel end surface opens so that the hanging housing 122 protrudes and engages with the receiving shaft 22. A predetermined portion of the thin metal plate 41 is opened so that the operation hole 123 of the rotating shaft 121 is also exposed to the outside of the panel.
[0022]
The opening process of the panel is to open a part necessary for exposing the working part of the connecting bracket within a necessary range. When the panel thickness is small and the thickness of the bracket is large, the fitting uneven portion 43, It protrudes to the part of 44 and is opened. Moreover, in the panel which employ | adopted the resin frame mentioned above, naturally the resin frame of the said location is opened and the connection metal fittings 1 and 2 are integrated. This opening is the same in other embodiments described later.
[0023]
Further, in the back of the opening portion, a protective sponge 46 is filled and bonded to the predetermined portion before foaming in order to secure an operation portion and a predetermined gap.
[0024]
However, when the metal fittings 1 and 2 are positioned and foamed at a predetermined location to form the heat insulating material layer 42, the metal fittings 1 and 2 are fixed at the positions.
[0025]
The panel 4 is connected by fitting the fitting concave and convex portions 43 and 44 together with attaching the wrench 5 to the operation hole 123 and rotating the hanging rod body 122 so that the hanging rod portion 124 is attached to the receiving shaft 22. It is realized by being hooked and further drawn.
[0026]
Therefore, in particular, the metal fittings 1 and 2 are bonded to the thin metal plate 41 of the heat insulating panel 4 in a wide area and also contact the corners of the thin metal plate 41. It will be excellent in durability against the pulling force at the time of connection, and the metal fittings 1 and 2 can be provided on both sides of the front and back surfaces of the heat insulating panel 4 as necessary to increase the connection strength. Further, a heat insulating layer is filled before and after the anchor end portions 113 and 123, and durability against a pulling force at the time of connection is obtained.
[0027]
Moreover, the connection (2nd embodiment) which made the connection location of the corner part the surface side of the heat insulation panel 4 uses the metal fittings 1 and 2, as illustrated in FIG. Is assembled in the same manner as in the first embodiment, but the shaft metal fitting 2 (the metal fitting 1) is a portion facing the assembling position of the metal fitting, and the thin metal plate 41a whose bonding side surface 211 (111) is the panel end face. Position it along the back of the. A predetermined portion of the thin metal plate 41 is opened and incorporated so that the metal fittings can be connected.
[0028]
In particular, when the longitudinal length of the adhesive side surface 211 (111) is determined in accordance with the thickness of the heat insulating panel 4, the thin metal plate 41 and the panel are more firmly integrated.
[0029]
Moreover, the connection (3rd embodiment) which used the connection location of the corner part as the back surface side of the heat insulation panel 4 uses the metal fittings 1 and 3 as illustrated in FIG. It is incorporated in the same manner as in the second embodiment.
[0030]
The metal shaft 3 is bonded to the back surface of the thin metal plate 41 of the heat insulating panel so that the receiving shaft portion 32 is located at the position where the hanging housing 122 advances, and the periphery of the receiving shaft portion 32 is formed. It is surrounded by a protective sponge 46, and a corresponding operation space is secured and resin foaming is performed to fix the metal fitting 3 and form a heat insulating panel.
[0031]
The panel connection is performed by receiving and hanging the hook 122 on the shaft 32. In particular, in the shaft fitting 3, since the anchor plate portion 33 is buried in the heat insulating material layer 42, the fixing strength of the fitting is excellent, and the connection strength is improved.
[0032]
A panel connection is realized by connecting the heat insulating panel 4 incorporating the connecting metal fittings 1, 2 and 3 by connecting the metal fitting parts, and the metal fittings 1 and 2 are connected either on the front side or the back side of the panel. If the panel thickness is large (for example, 80 mm or more), it is incorporated on both the front and back sides.
[0033]
In addition, in order to ensure the airtightness of the refrigerator compartment (freezer compartment) formed by the heat insulating panel 4, a soft packing is attached to the joint portion in advance, and the connection between the panel connection end faces is performed by the connection fittings 1, 2, and 3. May be used to enhance the packing function. Of course, coking may be applied to the joint after construction of the refrigerator compartment or the like.
[0034]
In addition, this invention is not limited to the said embodiment, In a connection metal fitting, a main-body part should just be a shape which can be adhere | attached on a corner | angular part to the thin metal plate of a heat insulation panel, and an eccentric hook mechanism Any structure may be adopted as long as the hook part is a structure that draws the receiving shaft, and another shaft member may be incorporated in the receiving shaft without using the main body member. In addition, as for the incorporation of metal fittings in the connection structure, each embodiment may be employed alone or in combination with a target nail.
[0035]
【The invention's effect】
As described above, the present invention has a main body portion obtained by bending a metal plate into a flat rectangular tube shape, and a hook metal fitting provided with an eccentric hook mechanism on the opposite surface when the end surfaces of the main body portion are opposed to each other. In a heat-insulating panel made of a pair of shaft metal fittings provided with a shaft, and formed by filling a heat insulating material by resin foam between thin metal plates, and the connection place is an uneven fitting structure, The above-mentioned metal fittings or shaft metal fittings are assembled together with the thin metal plate at the corners of the panel on the back surface of the thin metal adjacent to the fitting irregularities, and the metal fittings or shafts of the heat insulating panels to be connected are assembled. Insulation panel connection structure in which the other metal fitting is assembled at the position corresponding to the metal fitting, and the heat insulation panel is connected and connected by both metal fittings, and the connection metal fitting is incorporated into the panel in a state of being attached to the corner of the thin metal plate. Therefore, on either side of the panel It is possible to incorporate metal fittings on both the front and back sides, and the positioning of the metal fittings is easy, and the support strength of the connecting metal fittings can be increased by directly bonding and fixing the main body and the thin metal plate. .
[Brief description of the drawings]
FIG. 1 is a perspective view of an embodiment of a connecting metal fitting of the present invention.
FIG. 2 is another example of a coaxial metal fitting.
FIG. 3 is an explanatory diagram of a connection state of the metal fittings.
FIG. 4 is an explanatory diagram of the first embodiment of the panel connection structure of the present invention.
FIG. 5 is an explanatory diagram of the second embodiment.
FIG. 6 is an explanatory diagram of a third embodiment.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Barrel 11 Main part 111 Bonding side surface 112 Action end surface 113 Anchor end surface 114 Opening side surface 115 Lack | missing part 12 Eccentric hook mechanism part 121 Rotating shaft 122 Hanging hook 123 Operation hole 124 Hanging hook part 2 Shaft fitting 21 Main body part 211 Bonding Side surface 212 Working end surface 213 Anchor end surface 214 Opening side surface 215 Missing portion 22 Receiving shaft 3 Shaft fitting 31 Adhering surface portion 32 Receiving shaft portion 33 Anchor plate portion 4 Heat insulation panel 41 Front and back plates (thin metal plate)
42 heat insulating material layer 43 fitting convex part 44 fitting concave part 45 stick-shaped resin material 46 protective sponge 5 wrench

Claims (3)

Each of the metal fittings provided with an eccentric hook mechanism portion embedded in a heat insulating panel filled with a heat insulating material by resin foam between thin metal plates, and the hanging hook action position moves in the direction of the central axis by rotating operation, Consists of a pair of shaft brackets with hanging rod receiving shafts, both brackets comprising a main body part with a metal plate bent into a flat rectangular tube shape and lacking a part of the side surface. A connecting action end surface which is provided with the eccentric scissors mechanism and the receiving shaft on the opposing surface when the end surfaces of the metal plates are opposed to each other, and extends the non-missing side of the main body side surfaces of both metal fittings to form a hanging scissor mechanism portion; The opposite end face is formed on an anchor end face that protrudes into the foamed resin when it is disposed along the back surface of the thin metal plate of the heat insulating panel so that the metal fitting main body can be connected. Panel fittings.   A hook housing with a bent outer periphery is mounted on the side surface of the main body of the metal fitting, an operation hole is formed in the rotating shaft exposed on the side surface, and the opposite end surface of the other metal shaft is partially opened. The heat-insulating panel connecting bracket according to claim 1, wherein a part of the main body portion is formed to protrude at the opening portion to form a receiving shaft. Insulation panels that are formed by filling a thin metal plate with a heat insulating material by foaming the resin, and the connection location is an uneven fitting structure, before the foaming of the heat insulating material, the fitting unevenness in the heat insulating panel to be connected The hook metal fitting or the shaft metal fitting according to claim 1 or 2 is incorporated along the thin metal plate so that the connecting action end faces face each other on the back surface of the thin metal adjacent to the portion and at the corner of the panel. After securing the space where the eccentric rod mechanism part and the receiving shaft can be connected, and filling and bonding the protective sponge to the metal fitting so that the end face of the anchor is in the protruding state, the foaming treatment of the heat insulating material is performed. A heat insulating panel connecting structure, wherein the heat insulating panel is connected and connected by fixing the metal fittings at predetermined positions .

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