JP2014231361A - Container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a container which is not bulky and of which stacking operation can be easily carried out compared to a conventional one.SOLUTION: In a container 10 according to the present invention, upper and lower stacking parts 40, 50 are fixed to a lid body 30 and a bottom wall 14 which are resin foam walls. When stacking operation is performed, the lower stacking part 40 in an upper stage side of the container 10 and the upper stacking part 50 in a lower stage side of the container 10 are engaged with each other, whereby lateral dislocation thereof is prevented. Herein, the upper and the lower stacking parts 40, 50 are hard to deform and easy to slip, since both the stacking parts are configured from a non-foam resin having a higher strength than that of the form resin wall such as the bottom wall 14. Consequently, a stacking operation can be easily carried out in compared to a conventional one. Further, the upper stacking part 50 and the lower stacking part 40 are nut bulky since both the stacking parts are respectively fixed to an upper end part and a lower end part of the container 10.

Description

  The present invention relates to a foam molded container that can be stacked.

  As a conventional container of this type (hereinafter referred to as “first conventional container”), the lower surface protrusion of the upper container is provided in the upper surface recess provided on the upper surface of the lid of the lower container when stacked. One that is engaged to prevent lateral displacement between containers is known (see, for example, Patent Document 1).

  Used as another conventional container (hereinafter referred to as “second conventional container”) in a container storage case that is a non-foamed resin molded product. When stacked, the upper and lower containers are stored. A device that prevents lateral slippage between containers due to engagement between cases is also known (see, for example, Patent Document 2).

JP 2000-264375 A (FIGS. 12 and 20) JP-A-10-17031 (FIGS. 1 and 4)

  However, in the first conventional container described above, since the foamed resin surfaces do not slide smoothly with each other, it is difficult to engage the upper surface recess and the lower surface protrusion, and the same structure is used in a non-foamed resin container. There was a problem that the stacking work was more time-consuming than in the case of the above. On the other hand, in the second conventional container described above, although the above problem is solved, there is a problem that the container accommodation case is bulky.

  The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a container that is not bulky as compared with the prior art and that can be easily stacked.

  In order to achieve the above object, a container according to the invention of claim 1 is a container which is a foam-molded box-shaped container, and has a foamed resin wall at an upper end portion and a lower end portion which is higher than the foamed resin walls. Upper and lower stacking parts made of strong materials are fixedly provided, and when stacked, the lower stacking parts of the upper container and the upper stacking of the lower container It is characterized in that the parts engage with each other to prevent lateral displacement.

  According to a second aspect of the present invention, in the container according to the first aspect, a through-hole is formed in a portion of the foamed resin wall that is covered by the upper and lower stacked parts so as to have higher strength than the foamed resin wall. A plurality of fixed parts composed of members are arranged so that the foamed resin wall is sandwiched between the upper and lower stacked parts, and are joined to the upper and lower stacked parts through the through holes. It has features.

  The invention according to claim 3 is the container according to claim 2, wherein the container is provided with an upper surface opening and a lid that closes the upper surface opening, and the upper stacked part is fixed to the lid with a plurality of fixing parts. And it has the characteristics in the place which used these fixed parts also as a holding | maintenance part, such as a cool storage material etc. which hold | maintains a flat rectangular parallelepiped cold storage material or a thermal storage material.

  The invention according to claim 4 is the container according to any one of claims 1 to 3, wherein the container protrudes in a cantilever shape from the upper stack part and is superimposed on the upper surface of the container. And a card holding piece for holding the card in between.

The invention according to claim 5 is characterized in that, in the container according to any one of claims 1 to 4, the lower stacking part projects downward from the lower surface of the container.

[Invention of Claim 1]
In the container according to claim 1, the upper and lower stacked parts are fixed to the foamed resin walls at the upper and lower ends, and when stacked, the lower stacked parts and the lower stacked parts of the upper container are stacked. The upper side stacking part of the side container is engaged to prevent lateral displacement. Here, the upper and lower stacked parts are made of a member (for example, non-foamed resin or metal) having a strength higher than that of the foamed resin wall, so that they are not easily deformed and easily slip. This facilitates the stacking operation as compared to the first conventional container described above. Further, the upper and lower stacked parts are fixed to the upper and lower ends of the container, so that they are not bulky as compared with the second conventional container. That is, according to the container of the present invention, the stacking operation can be easily performed without being bulky as compared with the conventional case.

[Invention of claim 2]
In the container according to claim 2, since the upper and lower stacked parts are fixed with the foamed resin wall sandwiched between the fixed parts, the load on the foamed resin wall is dispersed and the foamed resin wall is The fixing strength of the upper and lower stacked parts is increased.

[Invention of claim 3]
According to the configuration of the third aspect, since the plurality of fixing parts for fixing the upper stack part to the lid are also used as the cold storage material or the cold storage material holding unit for holding the thermal storage material, for the cold storage material holding unit. The number of parts can be reduced as compared with the case where only the dedicated parts are configured, and the size of the cold storage material holding unit can be reduced as compared with the case where the cold storage material holding unit is formed of the foamed resin wall.

[Invention of claim 4]
According to the structure of Claim 4, a card | curd can be pinched | interposed and hold | maintained between the card | curd pressing piece protruded from the upper stage part and the upper surface of a cover body.

[Invention of claim 5]
In the container according to the fifth aspect, since the lower stacked parts project downward from the lower surface of the container, the lower surface of the container is prevented from being worn and the durability of the container is improved.

The perspective view of the container which concerns on 1st Embodiment of this invention. A perspective view with the container lid closed Top side perspective view of container body Bottom perspective view of container body Top perspective view of the lower stacking part and the first fixed part Lower side perspective view of lower stacking part and first fixed part Sectional drawing in the AA fracture surface of the container of FIG. Sectional drawing in the BB fracture surface of the container of FIG. Bottom perspective view of container body Upper side perspective view of upper stacking part and second fixed part Lower side perspective view of upper stacking part and second fixed part Top side perspective view of cold storage material holding part and first fixed part Top side perspective view of lid Bottom perspective view of lid Bottom perspective view with parts group attached to lid Bottom side perspective view of a state where a cold storage material is attached to the lid Sectional drawing in the CC fracture | rupture cross section of the container of FIG. Perspective view of container and transport case stacked The upper surface side perspective view of the lid of a 2nd embodiment. Bottom perspective view of lid Top side perspective view of container body Bottom perspective view of container body

[First Embodiment]
Hereinafter, an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the container 10 of the present embodiment is divided into a container body 11 having an open top surface and a lid body 30 that closes the top surface opening 11 </ b> K of the container body 11. Both the container main body 11 and the lid 30 are bead foam molded products, and are formed by filling a group of resin foam beads into a mold and heating the foam beads with steam, for example. Then, the lower body part 40, the upper stage part 50, the first and second fixing parts 60 and 70, and the cold storage material holding part 75 made of non-foamed resin are assembled to the container body 11 and the lid body 30. It has been.

  As shown in FIG. 3, the container body 11 includes a pair of short side walls 12, 12 from a pair of short sides of the rectangular bottom wall 14, and a pair of long side walls 13 from a pair of long sides. 13 stands upright. A pair of lower-stage product parts 40, 40 are fixed to both ends in the longitudinal direction (the direction of the arrow H1 in FIG. 3) at the lower end of the container body 11.

  The lower stacking part 40 extends in the short direction of the container main body 11 (the direction of the arrow H2 in FIG. 3), and the entire length thereof is substantially the same as the total length of the container main body 11 in the short direction. Further, as shown in FIG. 4, the lower stacked part 40 includes a lower surface cover wall 41 addressed to the lower surface of the container body 11, a side surface cover wall 42 addressed to the outer surface of the short side wall 12, and the lower surface cover walls. 41 and a pair of side connecting walls 49, 49 that are in communication with both ends in the longitudinal direction of the side cover wall 42 and are addressed to the lower corners of the outer surfaces of the long side walls 13, 13.

  As shown in FIG. 5, the lower surface cover wall 41 is bent upward in a stepped manner on the side cover wall 42 side, and is orthogonal to the step wall 41D constituting the step surface and the lower edge of the step wall 41D. And the shelf wall 41J orthogonal to the upper edge of the step wall 41D and the side cover wall 42. Further, the step wall 41D and the shelf wall 41J bend at a right angle along the corner between the side cover wall 42 and the side connecting walls 49, 49, and the tip thereof is at an intermediate position in the width direction of the base wall 41G. Has been placed.

  The side cover wall 42 is divided at an intermediate position in the longitudinal direction of the lower stacked part 40. Further, on both sides of the divided portion, the edge portions of the side cover walls 42 and 42 and the shelf walls 41J and 41J are connected by a pair of intermediate communication walls 42T and 42T having a vertically long rectangle orthogonal to the inner surfaces thereof. Further, a pair of triangular ribs 41E and 41E extending upward from the step wall 41D between the pair of intermediate connecting walls 42T and 42T are connected to the intermediate connecting walls 42T and 42T. An intermediate reinforcing rib 41F is provided between the triangular ribs 41E and 41E so as to extend upward from the step wall 41D and protrude upward from the shelf wall 41J.

  On the upper surface of the base wall 41G, a first base reinforcing rib 46 standing from an outer edge portion away from the side cover wall 42 and having both ends connected to the side connecting walls 49, 49, and the width direction of the base wall 41G A second base reinforcing rib 47 extending in parallel with the first base reinforcing rib 46 at the center and having both ends connected to the side connecting walls 49, 49, and a plurality of positions between the second base reinforcing rib 47 and the step wall 41D. A plurality of communication reinforcing ribs 48 are formed to communicate with each other. The inner surface of the side cover wall 42 and the upper surface of the shelf wall 41J are connected by a plurality of vertical ribs 42L.

  On the upper surface of the base wall 41G, a portion sandwiched between the first and second base reinforcing ribs 46, 47 is provided with a plurality of coupling protrusions 44 arranged along the longitudinal direction of the lower stacked part 40. Yes. Each coupling protrusion 44 has a cylindrical shape with an upper surface opened and a lower surface closed by a base wall 41G, and two positions of the coupling protrusion 44 that face each other in the longitudinal direction of the lower stacked part 40 are: Square engagement holes 44A and 44A (only one engagement hole 44A is shown in FIG. 5) are formed.

  As shown in FIG. 7, the shelf wall 41J slightly protrudes outward from the side cover wall 42, and a lower end engaging rib 43 is suspended downward from the tip of the shelf wall 41J. As shown in FIG. 6, the lower end engaging rib 43 extends over the entire length of the lower stacked part 40, and the entire lower end surface of the lower end engaging rib 43 is flush with the lower surface of the base wall 41 </ b> G. In addition, at both ends in the longitudinal direction of the lower end engaging rib 43, the lower end surface of the lower end engaging rib 43 is rounded. In addition, a portion surrounded by the lower end engaging rib 43, the step wall 41D, and the shelf wall 41J in the lower stacked part 40 is a lower end engaging groove 43M, and the lower end engaging groove 43M Are provided with a plurality of in-groove triangular ribs 43L on the extension of the group of connecting reinforcing ribs 48 excluding the connecting reinforcing ribs 48 at both ends of the plurality of connecting reinforcing ribs 48 (see FIG. 5). As shown in FIG. 7, these in-groove triangular ribs 43L are formed over a range from the position near the step wall 41D to the step wall 41D in the shelf wall 41J and the entire range in the vertical direction of the step wall 41D. Yes.

  As shown in FIG. 6, a pair of in-groove engagement ribs 45 are provided at positions closer to both ends in the longitudinal direction in the lower end engagement groove 43M. In-groove engagement ribs 45, 45 closer to the center in the longitudinal direction of the lower end engagement groove 43 </ b> M are disposed on the extension of the communication reinforcement ribs 48, 48 at both ends of the plurality of communication reinforcement ribs 48 (see FIG. 5). . As shown in FIG. 7, the lower surface of the in-groove engagement rib 45 is bent at a position near the step wall 41 </ b> D, and the lower end engagement rib 43 side is higher than the lower surface of the lower end engagement rib 43. A horizontal contact surface 45B that is horizontal is formed, and the stepped wall 41D side from the bent portion is a marginal inclined surface 45A that is inclined toward the lower end of the stepped wall 41D.

  As shown in FIG. 9, a part mounting portion 15 for mounting a pair of lower side stacked parts 40, 40 at both corners of the container body 11 where the short side walls 12, 12 and the bottom wall 14 intersect. , 15 are provided. The entire part mounting portion 15 is formed by sinking a part of the outer surface of the container body 11 by the thickness of the base wall 41G, the side cover wall 42, and the side connecting wall 49 of the lower stacked part 40. A plurality of rib housing grooves 15M that house a group of ribs such as first and second base reinforcing ribs 46, 47 (see FIG. 5) in a portion, and a plurality of through holes 14A into which a plurality of coupling protrusions 44 are inserted. Is formed. In addition, a rectangular groove 12M is formed on the outer surface of the short side wall 12 in the center in the lateral direction from the part mounting portion 15 to a position closer to the upper end, and the lower surface of the lower end of the rectangular groove 12M is a lower step. The triangular ribs 41E and 41E and the intermediate reinforcing rib 41F of the product part 40 are depressed into a shape corresponding to the upper surface shape.

  Then, each lower-stage product part 40 is mounted on the part mounting portion 15 of the container body 11 from below, and the lower surface of the base wall 41G is substantially flush with the lower surface of the bottom wall 14, as shown in FIG. The outer surface of the side cover wall 42 is substantially flush with the outer surface of the short side wall 12, and the outer surface of the side connecting wall 49 is substantially flush with the outer surface of the long side wall 13 as shown in FIG. 8. . Further, the coupling protrusion 44 is inserted from the lower end portion of the through hole 14A to a position closer to the upper end.

  Inside the container main body 11, a first fixing part 60 is mounted so as to sandwich the bottom wall 14 with the lower stacked part 40. As shown in FIG. 6, the first fixing part 60 has a structure in which a plurality of locking portions 62 are provided on the lower surface of a strip plate wall 61 extending in parallel with the lower stage product part 40. Each locking portion 62 is provided with a pair of locking claws 63, 63 that are suspended from the lower surface of the strip plate wall 61 and are opposed to each other in the longitudinal direction of the strip plate wall 61. Have triangular locking projections 63T, 63T. It should be noted that reinforcing ridges 61L, 61L protrude downward from both side edges of the strip plate wall 61 in the width direction.

  On the upper surface of the bottom wall 14, strip plate receiving grooves 16, 16 are formed in a recessed manner at positions above the lower stacked parts 40, 40. Then, the band plate wall 61 of the first fixing part 60 is received in each band plate receiving groove 16, and each latching portion 62 of the first fixing part 60 is connected to the lower side stacking part 40 in the through hole 14A. The engaging protrusions 63T of the engaging claws 63 are engaged with the engaging holes 44A of the connecting protrusions 44. Thereby, the lower stage product part 40 is being fixed in the state which pinched | interposed the bottom wall 14 which is a foamed resin wall between the 1st fixing parts 60. FIG. In addition, as shown in FIG. 7, the whole except the part in which the strip | belt-plate acceptance groove | channel 16 was formed among the bottom faces of the container main body 11 is the uneven surface 14F which has fine unevenness | corrugation.

  As shown in FIG. 9, on both short side walls 12 and 12 of the container body 11, the upper end portion of each rectangular groove 12M is depressed deeper than the entire rectangular groove 12M, and the manual feed portion 12H (in FIG. Only the manual feed portion 12H of one short side wall 12 is shown). Further, a manual feed portion 13H is formed on both the long side walls 13 and 13 by recessing the lower end portion in the center in the lateral direction. Furthermore, the lid manual feed portion 13G is formed only on one long side wall 13 by recessing the upper end portion in the center in the lateral direction.

  As shown in FIG. 3, the upper surface protrusion 11 </ b> T protrudes from the opening edge of the upper surface of the container main body 11 on the side where the manual feed portion 13 </ b> G is formed. In addition, a first step portion 11E is formed on the inner surface of the container body 11 over the entire opening edge of the upper surface opening 11K. The pair of short side walls 12 and 12 are formed with a second stepped portion 11F inside the first stepped portion 11E to form a two-step staircase. As shown in FIG. 17, the first step portion 11E of the other long side wall 13 is wider than the first step portion 11E of one long side wall 13 provided with the manual feed portion 13G for the lid. It has become.

  As shown in FIG. 2, the lid 30 has a horizontally long rectangle corresponding to the container main body 11, and a pair of upper stacked parts 50 at both ends in the longitudinal direction (the direction of the arrow H <b> 1 in FIG. 2) on the upper surface thereof. , 50 are fixed. The upper stacked part 50 extends in the short direction of the lid body 30 (the direction of the arrow H2 in FIG. 2), and the overall length thereof is substantially the same as the overall length of the lid body 30 in the short side direction. The upper stacked part 50 includes an upper surface cover wall 51 that covers a part of the upper surface of the lid body 30, and side surface cover walls 52 and 52 that are suspended from the upper surface cover wall 51 and cover the corner side surfaces of the lid body 30. And an engaging projection wall 53 erected from the upper surface cover wall 51.

  As shown in FIG. 10, the upper cover wall 51 has a band plate shape, and a pair of card holding protrusions toward the center in the lateral direction of the lid 30 from the positions near both ends in the longitudinal direction of the upper cover wall 51. The pieces 55 and 55 protrude. The card holding piece 55 has the same thickness and the same width as the top cover wall 51 up to the front end position, and extends from the front end position to the front end as a tapered triangular tip flexible portion 55A. Further, the upper surface of the distal end flexible portion 55A is inclined so as to be slightly lowered toward the front, whereby the distal end flexible portion 55A is thinner than the upper surface cover wall 51. Further, as shown in FIG. 11, a pair of lower surface protrusions 55 </ b> L and 55 </ b> L extend from the lower surface of the upper surface cover wall 51 to the tip of the card holding piece 55.

  A plurality of locking portions 56 are arranged side by side along the longitudinal direction on the lower surface of the upper cover wall 51. The locking portion 56 group has the same structure, number, and arrangement as the locking portion 62 group (see FIG. 6) of the first fixing part 60 described above.

  The side cover walls 52 are provided at both ends in the longitudinal direction of the upper surface cover wall 51 and have an L shape extending from the front end edge of the upper surface cover wall 51 to one side edge opposite to the card holding piece 55. Yes. In addition, the edge part of the side cover wall 52 of the one side edge of the upper surface cover wall 51 is inclined and extended with respect to the up-down direction.

  As shown in FIG. 10, the engagement protruding wall 53 is disposed near one side edge away from the card holding piece 55 in the upper surface cover wall 51 and extends over the entire length of the upper surface cover wall 51. Yes. Further, notch recesses 54 are formed at positions closer to both ends in the longitudinal direction of the engagement protruding wall 53. The cutout recess 54 has a vertical locking surface 54A on the end side in the longitudinal direction of the engaging projection wall 53, an inclined guide surface 54C on the opposite side, and a horizontal space between the vertical locking surface 54A and the inclined guide surface 54C. An opposing surface 54B is provided.

  As shown in FIG. 13, the lid 30 has a strip-like region R 1, R 1, R 2, R 2 of the entire outer edge on the upper surface, and a short direction (see FIG. A pair of upper surface raised portions 31, 31 are formed by raising the remaining pair of rectangular regions excluding the belt-like region R <b> 3 extending in the direction of arrow H <b> 13) in a stepped manner. The height of the upper surface protruding portions 31, 31 is about the thickness of the upper surface cover wall 51 in the upper stacked part 50. In addition, a pair of belt-like regions R1 and R1 extending in the short direction of the outer edge of the upper surface of the lid 30 and a belt-like region R3 sandwiched between the upper surface raised portions 31 and 31 have a through hole 14A in the bottom wall 14. Similar to the group, a plurality of through holes 30A are formed side by side. Further, at the intersection of the band-shaped region R3 sandwiched between the upper surface raised portions 31 and 31 on the upper surface of the lid 30 and the one belt-shaped region R2 extending in the longitudinal direction of the outer edge of the upper surface of the lid 30, the lid A marker 32 is formed by raising a part of the upper surface of the body 30 in the shape of an arrow. Further, side recesses 33 for accommodating the side cover walls 52 of the upper stacked parts 50 are formed at the four corners of the side surface of the lid 30.

  Then, a pair of upper stacked parts 50, 50 are mounted on both ends in the longitudinal direction of the lid 30 from above, and the upper surface of the upper cover wall 51 is connected to the upper surface of the upper raised portion 31 as shown in FIG. As shown in FIG. 2, the outer surface of the side cover wall 52 is substantially flush with the side surface of the lid 30. In addition, each card holding piece 55 is overlaid on both belt-like regions R2 and R2 extending in the longitudinal direction of the outer edge of the upper surface of the lid 30. Further, the locking portion 56 of the upper stacking part 50 is inserted into the through hole 30 </ b> A of the lid 30.

  On the lower surface side of the lid body 30, a pair of second fixing parts 70, 70 are mounted immediately below the pair of upper stacked parts 50, 50. As shown in FIG. 10, the second fixing part 70 includes a strip plate wall 71 extending in parallel with the upper stacking part 50, and the lower side described above at a plurality of positions in the longitudinal direction on the top surface of the strip plate wall 71. An engaging protrusion 74 group similar to the coupling protrusion 44 group of the stacked product part 40 is provided. Then, similarly to the connection between the lower stacked part 40 and the first fixed part 60, the upper stacked part is inserted into the engagement hole 74A of the connecting protrusion 74 group in the second fixed part 70 within the through hole 30A. The locking protrusions 57T of the locking claws 57 in the 50 locking portions 56 group are engaged, and the upper stacked part 50 is sandwiched between the second fixing part 70 and the lid 30 that is a foamed resin wall. It is fixed in the state.

  Also, a hanging rib 72 is suspended from the center in the width direction of the entire lower surface of the strip plate wall 71 of the second fixing part 70, and a horizontal rib extends from the lower end of the hanging rib 72 to the center in the longitudinal direction of the lid 30. 73 is overhanging. And the part enclosed by three sides by the horizontal rib 73, the hanging rib 72, and the strip board wall 71 is the cool storage material holding groove 70M.

  In order to hold a cold storage material 90 (see FIG. 1), which will be described later, on the lower surface of the lid 30 in cooperation with the second fixing part 70, a cold storage material holding part is provided at the center of the lower surface of the lid 30 in the longitudinal direction. 75 is attached. As shown in FIG. 12, the regenerator material holding part 75 has the same shape as the band plate wall 71, the coupling protrusion 74 group, and the hanging rib 72 of the second fixing part 70, and the band plate part 76, the coupling protrusion 79 group, and A hanging rib 77 is provided. Further, a lower end strip plate wall 78 having the same shape as the strip plate wall 71 is provided at the lower end portion of the hanging rib 77 and faces the strip plate wall 71. And both sides of the hanging rib 77 are the cold storage material holding grooves 75M and 75M.

  The cold storage material holding part 75 is fixed to the lid body 30 by the same first fixing part 60 as the first fixing part 60 used for fixing the lower-stage product part 40 described above. That is, the coupling protrusion 79 group of the regenerator material holding part 75 is inserted into the through hole 30A group disposed at the center in the longitudinal direction of the lid body 30, and the first fixing part 60 is mounted from the upper surface side. In each through hole 30A, the locking projection 63T of the locking claw 63 in the locking portion 62 group of the first fixing part 60 is engaged with the coupling hole 79A in the coupling protrusion 79 group of the cold storage material holding part 75. The cold storage material holding part 75 is fixed in a state where the lid 30 is sandwiched between the cold fixing material holding part 75 and the first fixing part 60.

  Note that the upper surface of the strip plate wall 61 of the first fixed part 60 coupled to the cold storage material holding part 75 is substantially flush with the upper surface of the upper surface raised portion 31 as shown in FIG. Further, as shown in FIG. 14, on the lower surface of the lid body 30, a band plate receiving groove 30 </ b> B is recessed and formed in a fixing portion of both the second fixing parts 70 and 70 and the cold storage material holding part 75. As shown in FIG. 5, the strip plate wall 71 of each second fixing part 70 and the strip plate portion 76 of the cold storage material holding part 75 are received in the strip plate receiving groove 30B, and the inner surface of the lid 30 and the strip plate wall 71 and the strip are received. The lower surface of the plate part 76 is substantially flush.

  As shown in FIG. 15, a pair of side protrusions 35, 35 extending in parallel with the pair of second fixing parts 70, 70 are outside the second fixing part 70 on the lower surface of the lid 30. It is formed in the outer edge part. Also, a lid lower surface groove 34 corresponding to the upper surface protrusion 11T (see FIG. 3) of the container body 11 is recessed and formed on one outer edge portion of the lower surface of the lid body 30 extending in the longitudinal direction. The above-described marker 32 is arranged above 34. Further, a cold storage material abutting wall 37 is formed to project from the other outer edge portion of the lower surface of the lid 30 extending in the longitudinal direction so as to communicate between one end portions of the side protrusions 35 and 35. Further, the amount of protrusion of the cool storage material abutting wall 37 from the lower surface of the lid 30 is approximately twice that of the side protrusion 35.

  Between the cold storage material holding part 75 and the second fixed parts 70 and 70 adjacent to both of them, there are cold storage material accommodation portions 30S and 30S, and the cold storage material shown in FIG. 16 in the cold storage material accommodation portions 30S and 30S. 90, 90 are accommodated. The cold storage material 90 has a pair of first locking pieces 92, 92 protruding from both side surfaces on the long side of the flat rectangular parallelepiped container portion 90 </ b> H, and one pair from both side surfaces on the short side of the container portion 90 </ b> H. The second locking pieces 93, 93 are overhanging. Moreover, the 1st and 2nd latching pieces 92 and 93 are arrange | positioned in the center of the thickness direction of the container part 90H. Further, a filling port 94 for filling the container 90H with the cold storage liquid is provided at the center of the side surface on one short side of the container portion 90H, and the filling port 94 is closed with a stopper. And in the above-mentioned cool storage material abutting wall 37, a pair of second locking pieces 93, 93 on the short side surface of the container portion 90H and the filling port 94 are unevenly engaged with each cool storage material accommodating portion 30S. A stepped recess 36 is formed.

  This completes the description of the configuration of the container 10 of the present embodiment. Next, the effect of this container 10 is demonstrated. In order to hold the cool storage material 90 on the lid 30 of the container 10 of the present embodiment, as shown in FIG. 16, the lid lower surface groove 34 side of the lid 30 is turned up, while the cool storage material abutting wall 37 side. The cold storage material 90 is filled in the cold storage material accommodating portion 30S so that the first locking pieces 92, 92 on both sides of the cold storage material 90 are slidably engaged with the cold storage material holding grooves 70M, 75M. Insert it from the side. As a result, one end of the regenerator material 90 is positioned in contact with the regenerator material abutment wall 37, and the regenerator material 90 is positioned closer to the regenerator material abutment wall 37 side than the lid lower surface groove 34.

  In order to close the upper surface opening 11K of the container main body 11 with the lid body 30, the lid lower surface groove 34 of the lid body 30 is disposed opposite to the upper surface protrusion 11T of the container main body 11 as shown in FIG. To the upper surface of the container body 11. Then, the upper surface protrusion 11T is fitted into the cover lower surface groove 34, the cool storage material abutting wall 37 of the cover body 30 is accommodated in the first step portion 11E of the container body 11, and the side protrusions 35, 35 (see FIG. 15) fits in the second stepped portions 11F and 11F (see FIG. 3) of the container main body 11, and the outer edge portion of the lower surface of the lid 30 is in surface contact with the upper surface of the container main body 11. . Further, in this state, the end of the regenerator material 90 on the lid lower surface groove 34 side is in a state of being abutted against the inner side surface of the container main body 11, and thereby the regenerator material 90 in the regenerator material accommodation unit 30 </ b> S. Movement is restricted.

  In order to open the lid 30, it is only necessary to lift one side edge of the lid 30 where the marker 32 (see FIG. 2) is arranged. Specifically, for example, a hand may be inserted into the manual insertion portion 13G for the lid and the one side edge portion of the lid body 30 may be lifted. Then, the lid body 30 rotates around the cool storage material abutting wall 37, the lid body 30 assumes an inclined posture, and the upper surface opening 11K is opened. At this time, since the insertion port of the cool storage material 90 in the cool storage material accommodation unit 30S faces upward, the cool storage material 90 does not come off from the cool storage material accommodation unit 30S.

  The container 10 is used for transporting foods that need to be kept cold, and is sometimes used in combination with a transport case 80 (see FIG. 18) for foods that does not need to be kept cool. As shown in FIG. 18, the transfer case 80 includes a pair of long side walls 82, 82 and a pair of short side walls higher than the long side walls 82, 82 from the outer edge portion of the rectangular bottom wall 81 having a mesh structure. 83 and 83 stand up. Further, the upper end surfaces of the pair of short side walls 83, 83 are provided with engagement protrusion walls 84, 84 having the same shape as the engagement protrusion wall 53 (see FIG. 2) of the above-mentioned upper stacked part 50, Cutout recesses 85, 85 are formed at both ends of the engaging projection wall 84. Further, the lower end engaging rib 43, the lower end engaging groove 43M of the lower tiered product part 40, and the in-groove engagement member are positioned below the pair of short side walls 83, 83 on the lower surface of the engaging projecting wall 84. A lower end engaging rib 86 and a lower end engaging groove 86M having the same shape as the mating rib 45 (see FIG. 7) are provided. A plurality of containers 10 and a plurality of transport cases 80 are stacked in an arbitrary order.

  Here, when the containers 10 and 10 are stacked, the engagement of the upper stacked part 50 of the lower container 10 with the lower end engaging grooves 43M and 43M in the lower stacked part 40 of the upper container 10 is performed. The mating projecting walls 53 and 53 are received, and the in-groove engagement rib 45 in the lower end engaging groove 43M is received in the notch recess 54 of the engaging projecting wall 53. At this time, the horizontally opposed surface 54B (see FIG. 10) of the notch recess 54 opposes the horizontal contact surface 45B (see FIG. 7) of the in-groove engagement rib 45, and the vertical locking surface 54A (FIG. 10) of the notch recess 54. Is in a state adjacent to the in-groove engagement rib 45. As a result, the upper and lower containers 10 and 10 are restricted so that they cannot move in the horizontal direction. That is, the lateral displacement between the containers 10 and 10 is prevented. The same applies to the case where the transport cases 80 are stacked on the container 10, the case where the containers 10 are stacked on the transport case 80, and the case where the transport cases 80 and 80 are stacked. .

  Thus, in the container 10 of the present embodiment, the upper stacking part 50 and the lower stacking part 40 are fixed to the lid body 30 and the bottom wall 14 that are foamed resin walls, and the upper stacking part 40 is stacked when stacked. The lower stacking part 40 of the container 10 and the upper stacking part 50 of the lower container 10 are engaged to prevent a lateral shift. Here, the upper and lower stacked parts 50 and 40 are made of non-foamed resin having a higher strength than the foamed resin walls such as the bottom wall 14 and the lid 30, so that they are difficult to deform and slip easily. This facilitates the stacking operation as compared with the conventional container. In addition, when trying to mold a portion corresponding to the lower stacking part 40 and the upper stacking part 50 by the foamed resin wall of the container 10, it is necessary to reduce the foaming ratio of the foam beads to increase the strength. Problems such as an increase in material costs, a decrease in heat insulation performance, and an increase in weight occur. However, according to the container 10 of this embodiment, such problems are also solved.

  In addition, since the upper and lower stacked parts 50 and 40 are fixed to the upper and lower ends of the container 10, a conventional container housing case becomes unnecessary and does not become bulky. That is, according to the container 10 of this embodiment, it is not bulky compared with the past, and can perform a stacking operation | work easily.

  Further, the upper stage part 50 and the lower stage part 40 are fixed with the bottom wall 14 or the foamed resin wall of the lid 30 sandwiched between the first or second fixing parts 70 and 75. Therefore, the load with respect to the foamed resin wall is dispersed, and the fixing strength of the upper stacked part 50 and the lower stacked part 40 is high.

  Further, since the second fixing parts 70 and 70 for fixing the upper stacked part 50 to the lid 30 are also used as the regenerator material holding part of the present invention for holding the regenerator material 90, the regenerator material holder part is dedicated. The number of parts can be reduced as compared with the case where only the parts are configured, and the regenerator material holding part can be downsized as compared with the case where the regenerator material holding part is formed of the foamed resin wall.

  Moreover, in the container 10 of this embodiment, the card | curd 99 can also be pinched | interposed and hold | maintained between the card holding piece 55 with which the upper stage product part 50 was equipped, and the upper surface of the cover body 30. FIG.

[Second Embodiment]
The container lid 30V of this embodiment is shown in FIGS. 19 and 20, and the container body 11V is shown in FIGS. Only the configuration different from that of the first embodiment will be described below.

  As shown in FIG. 19, an upper surface raised portion 31 </ b> V is formed on the upper surface of the lid body 30 </ b> V of the present embodiment by raising the inside of the frame-like region of the entire outer edge. A band plate receiving groove 31 </ b> A for receiving the band plate wall 61 of the first fixing part 60 is formed at the center of the upper surface protruding portion 31 </ b> V.

  The side surface cover wall 52V of the upper stacked part 50V of the present embodiment is suspended from the entire outer edge portion located on the side surface side of the lid 30V in the upper surface cover wall 51. A plurality of rectangular windows 52W are formed on the side cover wall 52V, and rectangular projections 30T protruding from the side surfaces of the lid 30V are fitted into the rectangular windows 52W. Further, at both ends in the longitudinal direction of the upper stacked part 50V, as shown in FIG. 20, the lid lower surface that extends inward from the lower edge of the side cover wall 52V and is overlapped with the lower corner of the lid 30V. Engagement walls 52T and 52T are provided.

  As shown in FIG. 22, the lower stage part 40V of the present embodiment is provided with a lower surface protrusion 41V formed by projecting a band-like region near the step wall 41D of the base wall 41G together with the step wall 41D. ing. When the container main body 11V is placed on the floor surface, the lower surface protrusions 41V, 41V of the lower side stacked parts 40V, 40V are in contact with the floor surface to form the foamed resin wall of the container main body 11V. The bottom wall 14 is in a state of floating upward from the floor surface. In addition, the container main body 11V of the present embodiment is not provided with the first step portion 11E of the container main body 11 of the first embodiment (see FIG. 21).

In the container of the present embodiment, in addition to the same effects as the container 10 of the first embodiment, the lower surface protrusion 41V that is a part of the lower stacked part 40V protrudes from the lower surface. Wear on the lower surface is prevented, and durability is improved.
[Other Embodiments]
The present invention is not limited to the above-described embodiment. For example, the embodiments described below are also included in the technical scope of the present invention, and various other than the following can be made without departing from the scope of the invention. It can be changed and implemented.

(1) Although the lower stage part 40 and the upper stage part 50 of the first embodiment are made of non-foamed resin, they may be made of metal.

(2) In the first embodiment, the lower stacking part 40 and the upper stacking part 50 are fixed with the foamed resin wall of the container 10 sandwiched between the first or second fixing parts 60 and 70. However, insert molding is performed so that a part of the lower stacking part or the upper stacking part is embedded in the foamed resin wall of the container. It may be fixed to the wall.

(3) In the container 10 of the first embodiment, the upper stacking part 50 is fixed to the lid 30. However, the upper stacking part may be fixed to the upper end of the container body. Moreover, it is not necessary to provide the cover body which obstruct | occludes the upper surface opening of a container main body.

(4) Although the cold storage material 90 is accommodated in the cold storage material accommodation part 30S of the container 10 of the first embodiment, the present invention is applied to a container having a thermal storage material accommodation part for accommodating the thermal storage material. Also good.

10 Container 11, 11V Container main body 11K Top opening 14 Bottom wall (foamed resin wall)
14A Through hole 30, 30V Lid (foamed resin wall)
30A Through hole 40, 40V Lower stacked part 50, 50V Upper stacked part 55 Card holding piece 60 First fixed part 70 Second fixed part 90 Cold storage material

Claims (5)

A container that is a foam-shaped box-shaped container,
The upper and lower foamed resin walls of the upper and lower ends are fixedly provided with upper and lower stacked parts made of members stronger than those foamed resin walls. The container according to claim 1, wherein the lower stacking part of the container and the upper stacking part of the container on the lower side are engaged to prevent lateral displacement.   A through hole is formed in a portion of the foamed resin wall that is covered with the upper and lower stacked parts, and a plurality of fixed parts composed of members having higher strength than the foamed resin wall, It is disposed so as to sandwich the foamed resin wall with respect to the upper and lower parts, and is connected to the upper and lower parts through the through holes. The container according to claim 1.   The container is provided with an upper surface opening and a lid that closes the upper surface opening, and the upper stacking part is fixed to the lid with a plurality of the fixing parts, and the plurality of fixing parts are formed in a flat rectangular parallelepiped shape. The container according to claim 2, wherein the container is also used as a holding part for holding a regenerator material or a regenerator material for holding a regenerator material.   2. A card holding piece that protrudes in a cantilevered manner from the upper stacking part, is overlaid on an upper surface of the container, and holds a card sandwiched between the upper surface of the container. The container according to claim 1.   The container according to any one of claims 1 to 4, wherein the lower stacking part projects downward from the lower surface of the container.

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