JP2017110772A - Heat insulation panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a heat insulation panel which can suppress a situation in which water infiltrates inside a heat insulation panel.SOLUTION: A heat insulation panel includes: a pair of surface plates 23A, 23B; a frame material 30; a foam material 25 filled in an internal space 27 surrounded by the pair of surface plates 23A, 23B and the frame material 30; and a plate holder 60B provided at the frame material 30, and for holding the one surface plate 23A. The plate holder 60B includes: a support part 63 having a support surface 63A for supporting a peripheral end part 24B on a plate surface of the one surface plate 23A; and a contact part 64 having a contact surface 64A coming into contact with an end surface 24A of the one surface plate 23A. Between the peripheral end part 24B and the support surface 63A, a waterproof tape 50 is interposed. The waterproof tape 50 includes: a waterproof layer 51 having waterproofness; an adhesion layer 52 for adhering the peripheral end part 24B and the waterproof layer 51; and an adhesion layer 53 for adhering the support surface 63A and the waterproof layer 51.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a heat insulation panel.

  Conventionally, a prefabricated storage which forms a box shape by assembling a plurality of heat insulation panels with each other is known (for example, see Patent Document 1). The heat insulation panel used in this type of storage is provided with an outer shell body composed of a pair of face plates arranged opposite to each other while keeping a distance from each other, and a frame material disposed on the peripheral edge thereof. It is formed by foam filling a heat insulating material in the internal space of the body. As such a heat insulating panel, Patent Document 1 describes a structure in which a receiving piece is provided on a frame member, and a peripheral end portion of one surface plate is held by the receiving piece. Has been.

Japanese Patent No. 3166542

  In the above configuration, there is a concern that the water in the storage may enter the inside of the heat insulating panel (the heat insulating material side) through between the receiving piece and the surface plate, and there is room for improvement in this respect.

  This invention is completed based on the above situations, Comprising: It aims at providing the heat insulation panel which can suppress the situation where water penetrate | invades inside a heat insulation panel.

  In order to solve the above-described problems, a heat insulating panel of the present invention includes a pair of surface plates that are arranged to face each other while keeping a distance from each other, a frame member that extends along a peripheral edge portion of the pair of surface plates, and the pair of tables. A heat insulating material filled in an internal space surrounded by the face plate and the frame member; and a holding member that is provided in the frame member and holds one of the pair of surface plates. Comprises a support portion having a support surface that supports a peripheral end portion of the plate surface of the one surface plate, and a contact portion that is provided on the support portion and contacts the end surface of the one surface plate, A waterproof tape is interposed between the peripheral end portion and the support surface of the plate surface, and the waterproof tape adheres a waterproof layer having a waterproof property, and the peripheral end portion and the waterproof layer. Holding to adhere the surface plate side adhesive layer, the support surface and the waterproof layer Characterized in further comprising a timber-side adhesive layer.

  In the above configuration, one surface plate can be held by the holding member including the contact portion and the support portion. Moreover, the situation which water infiltrates into the inside (insulation material side) of a heat insulation panel from between one surface board and a support surface can be suppressed by providing a waterproof tape. Furthermore, since the waterproof tape has the surface plate side adhesive layer and the holding member side adhesive layer, one surface plate can be more reliably held with respect to the holding member.

  Moreover, the said holding member shall be provided with the insertion piece part inserted in the groove part formed in the said frame material. With such a configuration, the holding member can be easily attached to the frame member.

  Moreover, the waterproof packing which has elasticity can be provided in the surface on the opposite side to the said contact surface in the said holding member. If it does in this way, when other heat insulation panels are arranged adjacent to the heat insulation panel of the above-mentioned composition, waterproof packing can be interposed between two heat insulation panels. As a result, a gap (joint) between two adjacent heat insulating panels can be closed.

  ADVANTAGE OF THE INVENTION According to this invention, the heat insulation panel which can suppress the situation where water penetrate | invades into the heat insulation panel inside (heat insulating material side) can be provided.

The perspective view which shows the external appearance of the prefabricated store | warehouse | chamber comprised using the heat insulation panel which concerns on Embodiment 1 of this invention. The perspective view which shows the base panel which comprises the floor surface of a prefabricated storage Sectional view showing the base panel (corresponding to the view cut along line III-III in FIG. 2) The enlarged view which expands and shows the peripheral edge part of two adjacent base panels in FIG. Perspective view showing plate holder 60B Perspective view showing plate holder 60A Sectional drawing which shows the base panel which concerns on Embodiment 2.

<Embodiment 1>
A first embodiment of the present invention will be described with reference to FIGS. In this embodiment, the base panel 20A which comprises the floor surface of a prefabricated refrigerator is illustrated as a heat insulation panel. As shown in FIG. 1, the refrigerator main body 10 of the prefabricated refrigerator is formed in a box shape by assembling a plurality of heat insulating panels. As a heat insulation panel which comprises the refrigerator main body 10, roof panel 15A, 15B, 15A which comprises the ceiling of the refrigerator main body 10, base panel 20A, 20B, 20A which comprises the floor surface of the refrigerator main body 10, for example, the refrigerator main body 10 The side panel 16A, the corner panel 16B, etc. which comprise a side wall can be illustrated. The base panels 20A, 20B and 20A are placed on the base frame 13.

  In addition, the use number and arrangement | positioning aspect of a heat insulation panel are not limited to what was illustrated in FIG. 1, and can be changed suitably, and the refrigerator main body of various magnitude | sizes is comprised by changing the number and arrangement | positioning aspect of a heat insulation panel. Is possible. Further, an opening (not shown) serving as an entrance is formed in the front wall of the refrigerator main body 10, and the opening can be opened and closed by a door 12.

  As shown in FIG. 2, the floor surface of the refrigerator body 10 is configured by, for example, three base panels 20A, 20B, and 20A. In the following description, the base panel 20A disposed on the left side of FIG. 2 will be mainly described. As shown in FIG. 3, the base panel 20 </ b> A has a rectangular plate shape as a whole, and as shown in FIG. 3, an outer shell body 21 in which an internal space 27 is formed, and a foam material 25 (heat insulating material) filled in the internal space 27. Material).

  As shown in FIGS. 2 and 3, the outer shell body 21 is attached to a pair of metal surface plates 23A and 23B that face each other while being spaced apart from each other, and peripheral portions of the pair of surface plates 23A and 23B. A rectangular frame-shaped frame member 30 and four plate holders 60A, 60B, 60C, and 60C (holding members) that are attached to the frame member 30 and hold the surface plate 23A. Each plate holder is arranged along four sides of the base panel 20A. Specifically, the plate holder 60A is arranged along the long side of the base panel 20A on the side panel 16A side (left side in FIG. 2), and the plate holder 60B is placed on the base panel 20B side (right side in FIG. 2). ) Along the long side. Further, the pair of plate holders 60C and 60C are respectively arranged along a pair of short sides in the base panel 20A.

  Of the pair of surface plates 23 </ b> A and 23 </ b> B, the surface plate 23 </ b> A (one surface plate) disposed above is a checker plate (striped plate) constituting the floor surface of the refrigerator body 10. In the following description, the surface plate 23A may be referred to as a checker plate 23A. An infinite number of anti-slip protrusions 23D are formed on the entire surface of the checker plate 23A. Further, the checker plate 23A has a larger plate thickness and higher rigidity than, for example, the surface plate 23B.

  The frame member 30 is a synthetic resin molded product such as hard vinyl chloride. Further, the plate holders 60A, 60B, 60C and the surface plates 23A, 23B are made of metal such as aluminum, for example. Furthermore, the foam material 25 is made of a foamed resin (urethane foam) such as hard polyurethane. The materials of the frame member 30, the plate holders 60A, 60B, and 60C, the surface plates 23A and 23B, and the foam material 25 are not limited to those described above, and can be changed as appropriate.

  The frame member 30 has a shape that surrounds the peripheral portions of the surface plates 23A and 23B. The frame member 30 includes four edge members (outer peripheral frame members) 31, 32, 33, and 34 and four corner members (corner frame members) 35, 36, 37, and 38 having a longitudinal shape. As shown in FIG. 2, the edge members 31, 32, 33, and 34 constitute four sides of the rectangular base panel 20 </ b> A, respectively, and three edge members arranged on the outer peripheral side of the refrigerator main body 10. Corresponding side panels and corner panels (see, for example, the side panel 16A in FIG. 3) are placed on the upper surfaces of 31, 32, and 33. Further, on the upper surfaces of the edge members 31, 32, 33, there are provided uneven portions 32A (see FIG. 3) into which the lower portions of the side panels (or corner panels) are fitted. On the other hand, the edge member 34 arranged on the base panel 20B side (right side in FIG. 3) has an uneven shape that can be fitted to the edge member 28 of the base panel 20B.

  The plate holders 60A, 60B, 60C, 60C are members that hold (position) the peripheral end of the checker plate 23A. The plate holder 60A and the plate holder 60C have substantially the same configuration except that the lengths are different. Further, the basic configuration of the plate holder 60A and the plate holder 60B is the same, although the positions of the contact portions 64 (described later) that contact the checker plate 23A are different as shown in FIGS. For this reason, in the following description, the structure of the plate holder 60B will be mainly described.

  As shown in FIG. 5, the plate holder 60B has a longitudinal shape, and both end surfaces 61, 61 in the longitudinal direction are inclined surfaces that are inclined with respect to the longitudinal direction. As shown in FIG. 4, the plate holder 60 </ b> B is orthogonal to the insertion piece 62 and the insertion piece 62 inserted into the groove 41 formed in the peripheral end (upper end) of the edge member 34. A support portion 63 that is bent in a shape, and a contact portion 64 that rises upward from an end portion of the support portion 63 on the insertion piece portion 62 side. The upper surface of the support portion 63 is a support surface 63A that supports the peripheral end portion 24B on the plate surface of the checker plate 23A. A surface on the checker plate 23A side of the contact portion 64 is a contact surface 64A that contacts the end surface 24A of the checker plate 23A. In other words, the support surface 63A and the contact surface 64A have an L shape into which the corners of the checker plate 23A are fitted.

  Further, as shown in FIG. 3, a locking portion 65 having a T-shape in cross section is formed on the lower surface of the support portion 63. The foam material 25 is filled in an internal space 27 surrounded by the frame member 30, the plate holders 60A, 60B, 60C, 60C, and the checker plate 23A. For this reason, the frame member 30, the plate holders 60 </ b> A, 60 </ b> B, 60 </ b> C, 60 </ b> C, and the checker plate 23 </ b> A are integrated by the foam material 25. The locking portion 65 is configured to lock to the foam material 25. Thereby, the plate holder 60 </ b> B can be more securely fixed to the foam material 25.

  As shown in FIG. 4, a waterproof tape 50 is interposed between the peripheral end 24B on the plate surface of the checker plate 23A and the support surface 63A. The waterproof tape 50 includes a waterproof layer 51 having waterproof properties, an adhesive layer 52 (surface plate side adhesive layer) that bonds the peripheral edge 24B and the waterproof layer 51, and an adhesive that bonds the support surface 63A and the waterproof layer 51. Layer 53 (holding member side adhesive layer). Thereby, the checker plate 23 </ b> A and the plate holder 60 </ b> B are bonded via the waterproof tape 50. The waterproof layer 51 is made of, for example, an elastic member such as butyl rubber, but the material is not limited to this and can be changed as appropriate. In addition, as such a waterproof tape 50, for example, a super butyl tape made by Sliontec can be used, but the invention is not limited to this.

  In the present embodiment, as shown in FIG. 4, a waterproof packing 54 and a caulking material 55 are provided to fill a gap between two adjacent base panels 20 </ b> A and 20 </ b> B. The waterproof packing 54 has, for example, a longitudinal shape along the longitudinal direction of the plate holder 60B, and between two adjacent plate holders 60B and 60B, and two adjacent edge members (the edge member 34 and the edge member of the base panel 20B). 28) is arranged so as to fill the space between the upper parts. The waterproof packing 54 has an elastic packing body 54A and an adhesive layer 54B. As such a waterproof packing 54, for example, a sealing packing manufactured by Takigen Manufacturing Co., Ltd. can be used, but is not limited thereto.

  The packing main body 54A is bonded to, for example, both the outer surface 34B of the edge member 34 and the outer surface 66 of the plate holder 60B via the adhesive layer 54B. That is, the waterproof packing 54 is provided so as to cover both the edge member 34 and the plate holder 60B, and also has a function of covering the gap between the edge member 34 and the plate holder 60B. The “outer surface” referred to here is a surface (outer peripheral end surface) on the base panel 20B side. The outer surface 66 of the plate holder 60B is the surface opposite to the contact surface 64A of the plate holder 60B.

  In the present embodiment, the waterproof packing 54 is attached to the plate holder 60B and the edge member 34 of the base panel 20A, and then the base panel 20A and the base panel 20B are disposed adjacent to each other. Thereby, as shown in FIG. 4, the packing main body portion 54 </ b> A is disposed in a state of being crushed between the two plate holders 60 </ b> B and 60 </ b> B and between the two edge members 34 and 28. Further, the caulking material 55 is interposed, for example, between the adjacent checker plates 23A and 23A, and between the convex portion 34A of the edge member 34 and the concave portion 28A of the edge member 28, respectively.

  Next, the effect of this embodiment will be described. In the present embodiment, the checker plate 23 </ b> A can be held by the plate holder 60 </ b> B including the contact portion 64 and the support portion 63. Further, by providing the waterproof tape 50, it is possible to suppress a situation in which water enters from the space between the checker plate 23A and the support surface 63A into the base panel 20A (foaming material 25 side). Further, since the waterproof tape 50 includes the adhesive layer 52 and the adhesive layer 53, the checker plate 23A can be more reliably held with respect to the plate holder 60B.

  Further, the plate holder 60 </ b> B may include an insertion piece portion 62 that is inserted into the groove portion 41 formed in the edge member 34. With such a configuration, the plate holder 60 </ b> B can be easily attached to the edge member 34.

  Further, a waterproof packing 54 having elasticity is provided on the outer surface 66 of the plate holder 60B. Thereby, when the base panel 20A and the base panel 20B are arranged adjacent to each other, the waterproof packing 54 can be interposed between the base panel 20A and the base panel 20B. As a result, the gap (joint) between the adjacent base panel 20A and the base panel 20B can be closed. Further, by providing the waterproof packing 54, the coating amount of the caulking material 55 can be reduced by that amount, and workability can be improved.

<Embodiment 2>
Next, Embodiment 2 of the present invention will be described with reference to FIG. In this embodiment, the configuration of the plate holder is different from that of the above embodiment. Note that the same portions as those in the above embodiment are denoted by the same reference numerals and redundant description is omitted. As shown in FIG. 7, for example, the plate holder 160B of the present embodiment is provided on each of the edge member 134 and the edge member 128. Here, the plate holder 160B provided on the edge member 134 (the left side in FIG. 7). The plate holder) will be mainly described.

  The plate holder 160 </ b> B includes an insertion piece portion 162 inserted into a groove portion 141 formed at a peripheral end portion (upper end portion) of the edge member 134, and a bent portion that is bent perpendicularly to the insertion piece portion 162. 165, a contact portion 164 extending downward from the end portion of the bent portion 165 on the checker plate 123A side, and a support portion 163 extending from the lower end of the contact portion 164 to the inner peripheral side. The upper surface of the bent portion 165 is flush with the upper surface of the checker plate 123 </ b> A, and the support portion 163 has a low step shape with respect to the bent portion 165.

  The upper surface of the support portion 163 is a support surface 163A that supports the peripheral end portion 124B of the plate surface of the checker plate 123A. The surface on the checker plate 123A side of the contact portion 164 is a contact surface 164A that contacts the end surface 124A of the checker plate 123A. Also in this embodiment, the waterproof tape 50 is interposed between the support portion 163 and the checker plate 123A. Further, the caulking material 55 is interposed between two adjacent plate holders 160B and 160B (more specifically, two insertion piece portions 162 and 162). The waterproof packing 54 is attached to both the insertion piece 162 and the edge member 134.

<Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) In the said embodiment, although what was used for a prefabricated refrigerator was illustrated as a heat insulation panel, it is not limited to this. A heat insulation panel can be used for prefabricated store | warehouse | chambers (a freezer, a constant temperature high humidity store etc.) other than a prefabricated refrigerator, for example.
(2) In the above embodiment, the waterproof packing 54 is illustrated as being affixed to both the plate holder and the edge member, but is not limited thereto. For example, the waterproof packing 54 may be attached only to the plate holder. Moreover, the location which apply | coats the caulking material 55 should just be between adjacent base panels, and is not limited to the location illustrated by the said embodiment.
(3) In the above embodiment, the waterproof tape 50 provided on the plate holder 60B is illustrated, but the waterproof tape 50 is also provided on a plate holder other than the plate holder 60B (see, for example, the plate holder 60A shown in FIG. 3). It has been.
(4) In each of the above embodiments, the plate holder may be provided integrally with the frame material. In other words, the plate holder may not include the insertion piece.

20A ... Base panel (heat insulation panel), 23A, 123A ... Checker plate (one surface plate), 23B ... Surface plate, 24A, 124A ... End surface of one surface plate, 24B, 124B ... On the plate surface of one surface plate Peripheral end portion, 25 ... foam material (heat insulating material), 27 ... internal space, 30 ... frame material, 41 ... groove portion, 50 ... waterproof tape, 51 ... waterproof layer, 52 ... adhesive layer (surface plate side adhesive layer), 53 ... Adhesive layer (holding member side adhesive layer), 54 ... Waterproof packing, 60B, 160B ... Plate holder (holding member), 62, 162 ... Insertion piece part, 63, 163 ... Support part, 63A, 163A ... Support surface, 64,164 ... contact part, 64A, 164A ... contact surface

Claims (3)

A pair of face plates arranged opposite to each other while maintaining a distance from each other;
A frame member extending along the peripheral edge of the pair of surface plates;
A heat insulating material filled in an internal space surrounded by the pair of surface plates and the frame member;
A holding member that is provided on the frame member and holds one surface plate of the pair of surface plates;
The holding member is
A support portion having a support surface for supporting a peripheral end portion of the plate surface of the one surface plate;
A contact portion having a contact surface that contacts the end surface of the one surface plate,
A waterproof tape is interposed between the peripheral end of the plate surface and the support surface,
The waterproof tape is
A waterproof layer having waterproof properties;
A surface plate side adhesive layer for adhering the peripheral edge and the waterproof layer;
A heat insulating panel comprising: a holding member side adhesive layer that adheres the support surface and the waterproof layer. The holding member is
The heat insulation panel of Claim 1 provided with the insertion piece part inserted in the groove part formed in the said frame material.   The heat insulation panel of Claim 1 or Claim 2 with which the waterproof packing which has elasticity is provided in the surface on the opposite side to the said contact surface in the said holding member.

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