JP4133964B2 - Box structure - Google Patents

Description

  The present invention relates to a box structure of a main body in a storage provided with doors on both front and rear sides.

  For example, as a storehouse that is installed in a kitchen of a hotel or restaurant and stores food, beverages or dishes such as refrigerated, frozen, etc. or at room temperature, a plurality of panels in which a hollow plate is filled with a heat insulating material Some have a box structure in which the two are connected (see, for example, Patent Document 1). As shown in FIG. 6 or FIG. 7, the structure of the box 12 that forms the main body of the storage 10 includes an upper panel 14 that forms a ceiling surface, and a lower panel 16 that is disposed opposite to the upper panel 14 and that forms a bottom surface. An upper end portion is connected to one side surface of the upper panel 14, and a lower end portion is connected to a side surface of the lower surface panel 16. The upper surface portion is basically composed of a pair of side panels 18, 18 forming left and right side surfaces. The panel 14, the lower panel 16 and the side panels 18 and 18 define a storage space S having openings S1 and S1 opened on both the front and rear surfaces. A partition plate 20 is disposed between the upper panel 14 and the lower panel 16 to divide the storage space S in a vertical relationship. Guide grooves 22 extending in the left-right direction are recessed in the front and rear edge portions of the top panel 14, the bottom panel 16, and the partition plate 20 that define the front and rear openings S1 and S1 in the storage space S, respectively. A pair of sliding doors D, D, which are provided and are slidably engaged with the guide grooves 22, 22 opposed to the upper and lower sides, are respectively disposed on the front surface and the rear surface of the box body 12. That is, the box body 12 has an opening S1 on the front surface and the rear surface that can be opened and closed by a pair of sliding doors D, D, and allows articles to be taken in and out of the storage space S from either the front surface or the rear surface. The so-called pass-through type is obtained. The box 12 is formed in a box shape by connecting the panels 14, 16, 18, and 18 to each other using a fixing member 24 such as a screw or a rivet.

Such a box 12 is pointed out as having a weak strength as a structure because both the front surface and the rear surface are open. Therefore, the storage space S is reinforced by providing reinforcing members 26 at respective corners formed by the upper panel 14 or the lower panel 16 and the side panels 18 and 18 (see FIG. 8). Further, the thickness of each panel 14, 16, 18, 18 is increased to improve the strength of each panel 14, 16, 18, 18 itself, and the contact of the connecting portion of each panel 14, 16, 18, 18 is also made. The box strength is improved by increasing the area. As yet another method, the box strength can be increased by installing the partition plates 20 in multiple stages and increasing the number of connection points with the side panels 18 and 18.
Japanese Patent No. 2584369

  However, the strength of the box 12 can be improved by arranging the reinforcing members 26, installing the partition plates 20 in multiple stages, or increasing the thickness of the panels 14, 16, 18, and 18. However, a problem is pointed out that the storage space S is narrowed by the installation space of the reinforcing member 26 and the partition plate 20 and the thickness of the panels 14, 16, 18, 18. Further, the structure of each panel 14, 16, 18, 18 filled with a heat insulating material has a drawback that the reinforcing effect of the reinforcing member 26 is low because the strength of the panels 14, 16, 18, 18 is not so high. .

  That is, the present invention has been proposed in order to suitably solve these problems inherent in the box structure according to the prior art, and has a high strength in a box having doors on both front and rear sides. An object is to provide a box structure.

In order to overcome the above problems and achieve the intended purpose, the box structure according to the present invention is:
It consists of a top panel that forms the ceiling surface, a bottom panel that faces the top panel and forms the bottom surface, and a pair of side panels that connect the top panel and the bottom panel to form the left and right sides. In each box structure provided with a door that opens and closes each opening facing the front and rear of the storage space defined by the panel,
Each side panel,
The upper end portion is connected to the substantially central portion of the side surface of the upper panel, and the lower end portion is connected to the substantially central portion of the side surface of the lower surface panel;
Located on both sides of the reinforcing column, the upper end portion is connected to the side surface of the upper surface panel, and the lower end portion is composed of a pair of side plate portions connected to the side surface of the lower surface panel. To do.

  According to the box structure according to the present invention, each side panel includes a reinforcing column whose upper end is connected to the substantially central portion of the side surface of the upper panel and whose lower end is connected to the substantially central portion of the side surface of the lower surface panel. And a pair of side plates that are positioned on both sides of the reinforcing column and whose upper end is connected to the side surface of the upper panel and whose lower end is connected to the side surface of the lower panel. Therefore, the strength of the box can be improved without increasing the thickness of the side panel. In addition, a connecting member that allows the insertion of the reinforcing column and restricts the position is disposed at the substantially central portion of each side surface of the upper panel and the lower panel, and each end of the reinforcing column is correspondingly inserted into the connecting member. By fixing, the reinforcing column can be easily positioned in the vertical, left and right and front and rear directions, and the reinforcing column can be firmly connected to the upper panel and the lower panel, and the strength of the box can be further improved. Furthermore, a reinforcing frame extending in the left and right directions is provided at substantially the center of the upper panel and the lower panel, and each connecting member is connected to each end of the reinforcing frame, whereby the strength of the upper panel and the lower panel itself. In addition, the connection strength between the upper panel or the lower panel and the corresponding connecting member is improved, and the reinforcing effect of the reinforcing pillar can be effectively used.

  Next, the box structure according to the present invention will be described below with reference to the accompanying drawings by way of preferred embodiments. For convenience of explanation, the same reference numerals are used for the same elements as those of the box structure shown in FIG. 6 or FIG. Moreover, in an Example, let A arrow view of FIG. 1 be the front side of a box.

  FIG. 1 is a schematic perspective view showing a part of a storage 30 employing a box structure according to an embodiment, and FIG. 2 is a schematic perspective view showing the box structure of the embodiment in an exploded manner. . The box body 32 constituting the main body of the storage 30 is connected to the upper surface panel 34 that forms the ceiling surface, the lower surface panel 40 that is opposed to the upper surface panel 34 and that forms the bottom surface, and the upper surface panel 34 and the lower surface panel 40. The storage space S is basically composed of a pair of side panels 46, 46 forming the left and right side surfaces, and the openings S1, S1 are opened on both the front and rear sides by these panels 34, 40, 46, 46, respectively. It is defined. A partition plate 54 connected to the left and right side panels 46, 46 is disposed between the upper surface panel 34 and the lower surface panel 40, and extends to a substantially central portion of the storage space S to be stored in the storage space S. Is divided up and down. In addition, the openings S1 and S1 facing the front and rear of the storage space S in the box body 32 are opened by a pair of slide doors (doors) D and D, respectively, so that they can be opened and closed. However, articles can be taken in and out of the storage space S.

  The upper surface panel 34 is a heat insulating panel configured by filling a hollow outer shell 34a made of a plate material such as metal or resin with a heat insulating material 34b such as urethane, and is formed in a rectangular shape. Inside the outer shell 34a, a reinforcing frame 36 is disposed at a substantially central portion in the front-rear direction over the entire length in the left-right direction, and each end thereof faces a substantially central portion of each side surface of the top panel 34. At the same time, connecting members 44 and 44 are connected to the respective ends of the reinforcing frame 36. The reinforcing frame 36 is, for example, a columnar body having a B-shaped cross section, and a member having rigidity such as metal is employed (see FIG. 3). Further, guide grooves 34c extending in the left-right direction are respectively provided in the front edge portion and the rear end portion of the lower surface of the upper surface panel 34 which are the openings S1, S1 of the storage space S.

  Each connection member 38 disposed on each side surface of the upper panel 34 includes a main body portion 38a connected and fixed to one end portion of the reinforcing frame 36, and an extension projecting laterally from both front and rear side edges of the main body portion 38a. The protruding portions 38b, 38b, a locking piece 38c bent at a right angle toward the extending portion 38b facing each other, and a lid portion 38d forming the upper surface are integrally formed. The connecting member 38 has a bowl-like shape in which the ends of the U-shape are bent toward each other (see FIG. 4). The connecting member 38 has a downwardly opened opening defined between the main body 38a and the locking pieces 38c, 38c and between the extended portions 38b, 38b. The cross-sectional dimension is set to be substantially the same, and the insertion of the reinforcing column 48 is allowed to restrict the position.

  The lower panel 40 has basically the same configuration as that of the upper panel 34 and is symmetrical with the partition plate 54 interposed therebetween. That is, the lower surface panel 40 is provided with a reinforcing frame 42 disposed in a substantially central portion in the front-rear direction over the entire length in the left-right direction inside a rectangular heat-insulating panel in which the outer shell 40a is filled with the heat insulating material 40b. Each end faces the substantially central portion of the side surface of the lower panel 40, and connection members 44 are connected to each end of the reinforcing frame 42, respectively. Further, guide grooves 40c, 40c extending in the left-right direction are respectively provided in the front edge portion and the rear end portion of the upper surface of the lower surface panel 40 which are the openings S1, S1 of the storage space S. And also about each connection member 44 arrange | positioned at the side surface of the said lower surface panel 40 similarly to the connection member 38 of the said upper surface panel 34, the main-body part 44a, the extension parts 44b and 44b, the locking pieces 44c and 44c, and a lid | cover A portion 44d is provided, and these constitute an opening portion opened upward to permit the insertion of the reinforcing column 48.

  The partition plate 54 is formed of a plate material such as metal or resin, and extends in the left-right direction at the front edge portion and the rear edge portion of the partition plate 54 corresponding to the openings S1 facing the front and rear of the storage space S. The existing guide part 56 is formed. Each guide portion 56 opens toward the upper surface of the partition plate 54, and opens toward the lower surface of the partition plate 54 and an upper guide groove 56 a corresponding to the guide groove 34 c provided in the upper panel 34. And a lower guide groove 56b corresponding to the guide groove 40c provided in the lower panel 40. That is, the upper ends of the pair of sliding doors D and D are slidably held in the guide grooves 34c of the upper surface panel 34, and the lower ends thereof are slidably held in the upper guide grooves 56a of the partition plate 54. The front opening S1 located at the upper part is closed so as to be freely opened and closed. Further, the upper ends of the other sliding doors D and D are slidably held in the lower guide grooves 56b of the partition plate 54, and the lower ends thereof are slidably held in the guide grooves 40c of the lower panel 40, The opening S1 on the front side located at is closed so as to be freely opened and closed. Similarly, the upper and lower openings S1 and S1 on the rear side are also configured to be openable and closable by a pair of sliding doors D and D that slide and move in the left-right direction.

  Each of the side panels 46 includes a reinforcing column 48 extending in the vertical direction, a pair of side plates (side plate portions) 50 and 50 located on both front and rear sides of the reinforcing column 48, and a cover member that covers the reinforcing column 48. 52, and each side plate 50 is a separate body. The reinforcing column 48 is a long box-like member having a rigid cross-sectional shape that is formed in a bowl shape with its U-shaped ends extending inward toward each other. The reinforcing column 48 has an upper end inserted into and engaged with the connection member 38 of the upper panel 34, and a lower end inserted into and engaged with the connection member 44 of the lower panel 40, and welding, screws, rivets, etc. The two members are joined to each other by the fixing member, so that they extend in the longitudinal direction at the substantially central portion of the side surface of the box 32.

  More specifically, as shown in FIG. 4, by inserting the upper end of the reinforcing column 48 from below into the opening portion of the top panel 34 that opens downward in the connecting member 38, the reinforcing column 48 is The insertion depth is regulated by abutting against the lid portion 38d of the connection member 38, the position in the front-rear direction is regulated by the oppositely arranged extending portions 38b, 38b, and the body portion 38a and the pair of locking pieces 38c, The position restriction in the left-right direction is performed by 38c. Then, the upper surface of the reinforcing column 48 and the lid portion 38d of the connecting member 38, the front and rear side surfaces of the upper end portion of the reinforcing column 48, and the extending portions 38b and 38b corresponding to the side surfaces are welded or screwed, respectively. By fixing with a fixing member such as a rivet or the like, the upper end portion of the reinforcing column 48 is coupled to the connection member 38. Thus, the reinforcing column 48 is fixed to the connection member 38 by welding or fixing members on a plurality of surfaces (upper surface and front and rear surfaces). The connection member 44 of the lower panel 40 and the lower end of the reinforcing column 48 are connected in the same manner.

  The cover member 52 is formed in a box shape with one surface opened to have a dimension capable of including the reinforcing column 48 connected to the connecting members 38, 44, and the reinforcing surface 48 faces the reinforcing column 48. It comes to fit outside. Each side plate 50 is a heat insulating panel formed by filling a hollow outer shell made of a metal or resin plate with a heat insulating material such as urethane, and a reinforcing column 48 having the cover member 52 fitted thereto. And a rectangular shape having substantially the same thickness and vertical dimension. That is, the pair of side plates 50 and 50 and the cover member 52 constituting the side panel 46 are set to the same thickness, and the surface facing the outside of the side panel 46 is flat.

  Each side plate 50 fastens a fixing member 24 such as a screw or a rivet through a through hole 34d formed in the side surface of the upper panel 34 and a through hole 50a formed in the upper end portion of the side plate 50. Thus, the upper end of the upper panel 34 is connected (see FIG. 2). Further, the lower end portion of each side plate 50 is fastened to the fixing member 24 via a through hole 40d formed in the side surface of the lower panel 40 and a through hole 50a formed in the lower end portion of the side plate 50. Thus, the lower panel 40 is connected. Furthermore, the partition plate 54 is fastened to the side plate by fastening the fixing member 24 through a through hole 54a formed in the side surface and a through hole 50a formed in the substantially central portion of the upper and lower sides of each side plate 50. It is connected to approximately 50 central portions.

(Effects of Example)
Next, the operation of the box structure according to the embodiment will be described. Each side panel 46 includes a rigid reinforcing column 48 and a pair of side plates 50 and 50 located on both front and rear sides of the reinforcing column 48, and the upper panel 34 and the lower panel 40 are connected by the reinforcing column 48. By connecting, since the highly rigid reinforcing column 48 receives the load applied to the side panels 46, 46 of the box 32, the strength of the box 32 can be improved without increasing the thickness of the side panel 46. . That is, the strength of the box body 32 can be improved without providing a reinforcing member as in the prior art. Further, since the box 32 having excellent strength can be obtained without increasing the outer dimensions of the box 32, the installation space does not increase, and the storage space S is provided even if the reinforcing pillar 48 is provided. Therefore, there is an advantage that the storage space S is not narrowed. Further, since the left and right side end portions of the slide doors D and D are in contact with the side plates 50 and 50 which are heat insulation panels filled with a heat insulating material such as urethane, the slide doors D and D are closed when the slide doors D and D are closed. The generation of loud sounds such as metal sounds can be suppressed. Furthermore, since the cover member 52 is configured to cover the reinforcing column 48, even if the reinforcing column 48 is set to an arbitrary shape, the appearance of the box body 32 is not impaired, and each side panel 46 The heat insulation effect in the extending part of the reinforcing column 48 can be improved.

  The reinforcing column 48 is inserted from below into the opening portion of the upper end of the connecting member 38 disposed on each side of the upper panel 34 and opened downward, so that the reinforcing column 48 is a lid of the connecting member 38. The position is regulated by the portion 38d, the two extending portions 38b, 38b arranged opposite to each other, the main body portion 38a, and the pair of locking pieces 38c, 38c. On the other hand, by inserting the lower end portion of the reinforcing column 48 into the opening portion opened upward from the connecting member 44 disposed on each side surface of the lower panel 40, the reinforcing column 48 is connected to the connecting member 44. The insertion depth is regulated by contacting the lid portion 44d, the position in the front-rear direction is regulated by both extending portions 44b, 44b arranged opposite to each other, and the horizontal direction is defined by the main body portion 44a and the pair of locking pieces 44c, 44c. The position is regulated. In this way, the reinforcing column 48 is connected to the upper panel 34 and the lower panel 40 through the connecting members 38 and 44 disposed on the upper panel 34 and the lower panel 40, thereby the reinforcing column 48. Positioning of the 48 panels 34 and 40 with respect to the upper, lower, left and right sides can be easily performed. Moreover, the position of the reinforcing column 48 held by the connecting members 38 and 44 is restricted so as not to move back and forth, right and left, and up and down, and each end of the reinforcing column 48 with respect to the connecting members 38 and 44. Is fixed by welding or fixing members on a plurality of surfaces (the upper surface and the front and rear surfaces), so that it can be firmly connected to the upper surface panel 34 and the lower surface panel 40 to further improve the strength of the box 32. .

  Since the upper surface panel 34 and the lower surface panel 40 are respectively provided with reinforcing frames 36 and 42 extending in the left and right directions at substantially central portions in the front-rear direction, the upper panel 34 and the lower surface panel 40 are provided due to the rigidity of the reinforcing frames 36 and 42. The strength of the panel 40 itself can be improved. Further, since the connection members 38 and 44 are respectively connected to the respective end portions of the reinforcing frames 36 and 42, the connection strength between the upper panel 34 or the lower panel 40 and the corresponding connection members 38 and 44 is improved, The reinforcing effect by the reinforcing column 48 can be used effectively. That is, the strength of the box 32 is further improved.

  In the embodiment, each side panel 46 is composed of the reinforcing column 48, the pair of side plates 50, 50, and the cover member 52. However, the present invention is not limited to this. For example, the side plates 50, 50 and the cover member 52 are integrally formed. May be. As shown in FIG. 5, in the box structure according to the modified example, each side panel 47 connects the upper end portion to the substantially central portion on the side surface of the upper surface panel 34 and the lower end portion to the approximate center of the side surface on the lower surface panel 40. And a side plate member 49 that covers the reinforcement column 48 and a pair of side plate portions 51 and 51 that are positioned on both sides of the reinforcement column 48 and that forms the side surface of the box. The The side plate member 49 has a heat insulating panel in which a hollow outer shell is filled with a heat insulating material as a main body, and is separated so that a concave portion 53 set to a size capable of including the reinforcing column 48 is formed at a substantially central portion of the main body. Thus, the pair of side plate portions 51, 51 are integrally formed, and the open surface of the concave portion 53 faces the reinforcing column 48 and is externally fitted to the reinforcing column 48. Further, each side plate member 49 is passed through through holes 34d, 40d, 54a drilled in the side surfaces of the upper panel 34, the lower panel 40 and the partition plate 54 and through holes 51a drilled in the side plate portions 51. By fastening the fixing member 24 such as a screw or a rivet, the upper end portion of each side plate portion 51 is connected to the side surface of the upper surface panel 34, the lower end portion is connected to the side surface of the lower surface panel 40, and the substantially central portion is It is connected to the partition plate 54. That is, the side plate member 49 connected to the upper panel 34 and the lower surface 40 panel has side plate portions 51 and 51 filled with a heat insulating material sandwiching the front and rear sides of the previously connected reinforcing column 48.

1 is a schematic perspective view showing a part of a storage that employs a box structure according to a preferred embodiment of the present invention. It is a schematic perspective view which decomposes | disassembles and shows the box structure of an Example. It is the XX sectional view taken on the line of FIG. It is a schematic exploded perspective view which expands and shows the principal part of the box structure of an Example. It is a schematic perspective view which decomposes | disassembles and shows the box structure which concerns on the example of a change. It is a schematic perspective view which fractures | ruptures and shows the storage which employ | adopted the conventional box structure. It is a schematic perspective view which decomposes | disassembles and shows the conventional box structure. It is a front view which expands and shows a part of conventional box structure.

Explanation of symbols

34 upper panel, 36 reinforcing frame, 38 connecting member, 40 lower panel, 42 reinforcing frame,
44 connecting members, 46 side panels, 47 side panels, 48 reinforcing columns,
50 side plate (side plate), 51 side plate, S storage space, S1 opening, D slide (door)

Claims (3)

A top panel (34) that forms a ceiling surface, a bottom panel (40) that is disposed opposite to the top panel (34) and that forms a bottom surface, and connects the top panel (34) and the bottom panel (40) And a pair of side panels (46, 46, 47, 47) forming each side of the storage space (S) defined by these panels (34, 40, 46, 46, 47, 47). In the box structure provided with doors (D, D) for opening and closing each opening (S1) facing the front and rear, respectively,
Each side panel (46, 47),
A reinforcing column (48) having an upper end connected to a substantially central portion of the side surface of the upper panel (34) and a lower end connected to a substantially central portion of the side surface of the lower surface panel (40),
A pair of side plates that are located on both sides of the reinforcing column (48) and whose upper end is connected to the side of the upper panel (34) and whose lower end is connected to the side of the lower panel (40). A box structure characterized in that it is composed of parts (50, 50, 51, 51).   Connection members (38, 44) for allowing and restricting the insertion of the reinforcing pillars (48) are disposed at substantially central portions of the side surfaces of the upper panel (34) and the lower panel (40), respectively. The box structure according to claim 1, wherein each end of the reinforcing column (48) is correspondingly inserted and connected to the connecting member (38, 44). The upper panel (34) and the lower panel (40) are each provided with a reinforcing frame (36, 42) extending in the left-right direction at a substantially central portion in the front-rear direction, and each end of the reinforcing frame (36, 42). The box structure according to claim 2, wherein the connecting members (38, 44) are connected to each other.

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