JP2019089594A - Container with lid, and transport unit - Google Patents

Abstract

To provide a container with a lid capable of suppressing strength degradation of an upper end part of a side wall part and a bed part while suppressing a lid member from protruding outward, and a transport unit.SOLUTION: A container body 3 of a container 2 with a lid is provided with a side wall side locking part 61 projecting from an inner side part of an upper side part of each long side wall part 15 and a bed side locking part 71 protruding upward from the inner side part of the upper side part of a long side bed part 13. When a lid member 4 is placed over the container body 3 in an assembled state, an outer surface of the side wall side locking part 61 and an inner surface of an outer peripheral wall 46 of the lid member 4 are substantially brought into contact with each other, and when the lid member 4 is placed over the container body 3 in a folded state, the outer surface of the bed side locking part 71 and an inner surface of the outer peripheral wall 46 are substantially brought into contact with each other. The side wall side locking part 61 has a reinforcing rib structure, the bed side locking part 71 has a reinforcing rib structure and at least one reinforcing structure of a double wall structure.SELECTED DRAWING: Figure 1

Description

  BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to a lidded container used for transporting articles and the like, and a transport unit for placing the lidded container on a pallet and transporting it.

  Generally, a lidded container used for transporting articles etc. includes a box-shaped container body that opens upward, and a lid member that is put on the container body. In addition, a bottom wall forming portion having a substantially rectangular bottom wall portion, and a base portion projecting upward along each side of the bottom wall portion, and the base portion with respect to each base portion There are side walls which are pivotably connected to each other, and each of the side walls is configured to be foldable so as to fall over the bottom wall. Furthermore, the lid member has a substantially rectangular top wall portion and an outer peripheral wall portion projecting downward from the outer peripheral edge of the top wall portion, and only for the container body in the assembled state assembled in a box shape. However, there is also one configured to be able to cover the lid member even on the container body in the folded state.

  In addition, when the lid member is placed on the container body in the assembled state or the container body in the folded state, a side wall portion is provided so that the lid member does not protrude outward beyond the outer peripheral surface of the container body. Also, there is a technique in which a notch is provided in the upper end on the outer surface side of the base and the outer peripheral wall of the lid member is accommodated in the notch (see, for example, Patent Document 1).

JP 2003-137281 A

  However, if the side wall portion and the upper end portion of the base portion are provided with the notched portion as described above, the strength of the side wall portion and the upper end portion of the base portion is reduced, or deformation or breakage There is concern that it will be easier to do.

  In addition, a pallet may be used when transporting a plurality of lidded containers together. Furthermore, there are cases where a plurality of carrying units consisting of a pallet and a lidded container placed on the pallet are stacked, transported and stored. In this case, since a large load or the like is applied to the lidded container, improvement in the strength of the lidded container is required.

  The present invention has been made to solve the above-described problems and the like, and its object is to suppress the lid member from projecting outward beyond the outer peripheral surface of the container main body, And the container with a lid | cover which can suppress the strength reduction of the upper end part of a base part, and providing a conveyance unit.

  In the following, each means suitable for solving the above object and the like will be described by item. In addition, specific effects and the like are added to the corresponding means as needed.

Means 1. A bottom wall comprising a bottom wall having a substantially rectangular shape in plan view, and a base portion projecting upward along each side of the bottom wall, and each of the bottom walls. A container body comprising a side wall portion pivotally connected between a standing position erected above each of the base portions with respect to the base portion and a lying position lying above the bottom wall portion When,
It has a ceiling wall portion having a substantially rectangular shape in a plan view and substantially rectangular shape capable of covering the upper surface side of the container body, and a lid member provided with an outer peripheral wall portion having a substantially square frame shape projecting downward from the outer peripheral edge of the ceiling wall portion. In a container with a lid,
At least a pair of opposing side wall portions of the side wall portion project upward from a portion on the inner surface side of the side wall portion of the upper side portion of the side wall portion, and the side wall side engagement extends along the lateral width direction of the side wall portion Equipped with a stop
The base portion connected to the side wall portion provided with the side wall side locking portion in the base portion protrudes upward from a portion on the inner peripheral side of the bottom wall portion in the upper side portion of the base portion; A base-side locking portion extending along the width direction of the base portion;
When the lid member is placed on the container body in the assembled state in which all the side wall portions are in the upright position, the outer peripheral wall portion of the lid member with respect to the outer surface of the side wall side locking portion The inner surfaces of the
When the lid member is covered on the container main body in a folded state in which all the side wall portions are in the lying position, the outer peripheral wall portion of the lid member with respect to the outer surface of the base side locking portion The inner surfaces of the members are in contact with or close to each other,
The side wall side locking portion protrudes upward from the upper side portion of the side wall portion, and extends from the upper side portion of the side wall side locking vertical wall to a side wall side locking vertical wall extending along the lateral width direction of the side wall portion A connection is made between the side wall side locking upper wall projecting in the direction intersecting with the side locking vertical wall, the side wall side locking vertical wall, the side wall side locking upper wall, and the upper side portion of the side wall portion A reinforcing rib structure having a side wall side locking reinforcing rib,
The base side locking portion is
A base-side locking vertical wall projecting upward from the upper side of the base and extending along the width direction of the base, and an upper side of the base-side locking vertical wall to the base-side locking vertical wall A base-side locking upper wall projecting in a cross direction, the base-side locking vertical wall, the base-side locking upper wall, and a base-side locking reinforcement rib for connecting between the upper sides of the base portion; A reinforcing rib structure provided with
A first locking vertical wall projecting upward from the upper side of the base portion, extending along the width direction of the base portion, and facing each other at a predetermined distance in the thickness direction of the base portion; At least one of the double-walled structure comprising a second locking vertical wall, the first locking vertical wall, and an upper locking connection wall connecting the upper ends of the second locking vertical wall. A container with a lid characterized in that it has a reinforcing structure.

  According to the means 1, when the lid member is put on the container main body in the assembled state, the outer peripheral wall portion of the lid member is the outer surface side of the side wall side locking portion and the upper side portion of the side wall portion Placed in position. When the lid member is placed on the container main body in the folded state, the outer peripheral wall of the lid member is disposed on the outer surface side of the base side locking portion and above the upper side of the base portion. Ru. Thus, the lid member can be configured not to protrude outward beyond the outer peripheral surface of the container body while preventing the lid member placed on the container body from being displaced relative to the horizontal direction and coming off. .

  Furthermore, the side wall side locking portion and the base side locking portion have at least one of the reinforcing rib structure and the double wall structure. Therefore, the strength of the side wall side locking portion and the base side locking portion can be dramatically improved. Therefore, it is possible to prevent the deformation and damage of the side wall portion and the upper end portion of the base portion, improve the durability of the container with a lid, and stabilize the state in which the lid member is covered on the container body. Can.

  Note that “the base side locking portion connects the first locking vertical wall, the second locking vertical wall, and the upper locking connection wall, and the middle connection rib extends vertically. It may be "provided". In this case, the strength and the like of the double wall structure can be further enhanced. Further, “the side wall side vertical wall of the side wall side locking portion is provided to extend the base wall portion constituting the inner surface of the side wall portion upward, and the side wall side top wall is the above-mentioned side wall side It may be configured to "project outward from the upper side portion of the side wall side locking vertical wall". Furthermore, “the base side locking vertical wall of the base side locking portion and the first locking vertical wall are provided to extend the inner wall portion constituting the inner surface of the base portion upward. The base side locking upper wall and the upper locking connection wall may project outward from the upper side portion of the base side locking vertical wall. When adopting these configurations, when a downward force is applied to the side wall side locking portion and the base side locking portion, the bottom wall side locking portion and the base side locking portion It can be stably supported. Furthermore, the reinforcing rib structure is provided on the outer surface side of the side wall portion and the base portion, and it is possible to avoid a situation such as an article being caught in the reinforcing rib structure when taking out the article contained in the container body.

  "When the lid member is put on the container body in the assembled state, the upper surface of the side wall side locking portion is in contact with the lower surface of the top wall portion, and the container body in the folded state" When the lid member is covered, the upper surface of the base side locking portion may be in contact with the lower surface of the ceiling wall portion. In this case, in a state in which the lid member is covered with the container body, for example, the outer peripheral wall of the lid abuts against the upper side of the side wall or the upper side of the base, and the top wall is the side wall side locking part or the base The load applied to the outer peripheral wall portion of the lid member can be reduced as compared with a configuration in which the lock portion does not abut on the lock portion. Therefore, in order to prevent the situation where the outer peripheral wall is deformed or damaged when a downward force is applied to the lid member placed on the container main body, or to avoid such deformation or the like, By forming the wall portion thick, it is possible to avoid the situation where the side wall side locking portion and the base side locking portion need to be thinned or the manufacturing efficiency of the lid member is lowered.

Means 2. Each side wall portion includes a hinge body projecting downward from the lower side portion of the side wall portion, and a shaft portion projecting laterally from a lower portion of the side surface of the hinge body in the lateral width direction of the side wall portion. Equipped
Each base portion is open at the upper side and the inner peripheral side of the bottom wall portion, and an insertion portion capable of inserting the hinge main body and the shaft portion are configured to be insertable, and the bottom wall of the shaft portion And a bearing portion for restricting the displacement of the portion to the inner peripheral side and allowing the rotational displacement of the shaft portion.
The base side locking portion is omitted at a portion of the base portion corresponding to the insertion portion,
The container with a lid according to the means 1, wherein the reinforcing structure is omitted at a portion of the base side locking portion corresponding to the pivot portion.

  According to the means 2, by omitting the base-side locking portion at the portion corresponding to the insertion portion, the width of the insertion portion in the thickness direction of the base portion can be sufficiently secured, and consequently, the thickness of the hinge main body It can be secured enough. Therefore, the durability of the hinge portion can be improved. Furthermore, by eliminating the reinforcing structure (reinforcing rib structure or double wall structure) of the portion corresponding to the pivot portion in the base side locking portion, the width of the pivot portion can be secured in the thickness direction of the base portion. As a result, the thickness of the shaft portion of the hinge portion and the size of the hook portion that prevents the shaft portion from coming off the shaft support portion can be secured. In addition, the bearing portion can be relatively smoothly molded.

  Even if the base-side locking portion is intermittently provided in the longitudinal direction of the base portion as in the present means 2, as described in the above-mentioned means 1, the base-side locking portion is a reinforcing rib Since at least one of the structure and the double wall structure is provided, strength can be secured for each of the base-side locking portions provided intermittently.

  Means 3. The side wall portion provided with the side wall side locking portion is configured to be able to abut on an angle portion formed by the upper surface and the outer side surface of the base side locking portion when in the upright position, and the bottom A container with a lid according to the means 1 or 2, characterized in that it comprises an upright inclined portion that inclines upward toward the inner peripheral side of the wall portion.

  According to the means 3, when the side wall portion provided with the side wall side locking portion is at the standing position, the rising inclined portion of the side wall portion abuts on the base side locking portion of the base portion. The tilting displacement of the side wall to the lying position side is suppressed. Therefore, the side wall portion at the standing position can be made to stand on its own, so that the assembling operation of the container body can be improved.

  Also, in general, the container body is configured to be able to stack the container bodies together (stacked), and when stacking the container bodies in the assembled state, the bottom wall configuration of the upper container body Among the portions, a portion on the outer peripheral side (hereinafter, referred to as “peripheral corresponding portion”) is in contact with and supported by the upper side portion of the side wall portion of the lower container main body. Furthermore, the bottom wall portion includes a support portion projecting downward from a portion on the inner peripheral side of the outer peripheral corresponding portion, and when stacking the container main bodies in the assembled state, the support portion of the upper container main body is It is comprised so that it may be inserted in the inner peripheral side of the side wall part of a lower side container main body (it fits substantially). According to the configuration, when the container main body is installed on a flat installation surface, the outer peripheral corresponding portion which is also the lower position of the base portion among the bottom wall components is not directly supported from the installation surface. There is. For this reason, it is desirable for the base portion to be prevented from being applied with a force that opens outward as much as possible.

  In this respect, according to the means 3, when the container main body is in the assembled state, when a downward force is applied to the side wall portion provided with the side wall side locking portion, the side wall portion The rising inclined portion and the base side locking portion of the base portion are in pressure contact, and a force is applied to the base side locking portion so as to be inclined and displaced inward (inner peripheral side of the bottom wall portion). Accordingly, it is possible to prevent the base portion from being tilted and displaced outward.

  Even if a force is applied to the inner peripheral side of the bottom wall with respect to the base side locking portion from the rising inclined portion of the side wall in the standing position, the base side as described in the means 1 above. The locking portion includes at least one of the reinforcing rib structure and the double wall structure, so that deformation, damage, and the like of the base-side locking portion can be prevented.

Means 4. A container with a lid according to any one of the above means 1 to 3;
A plurality of pillars, and an upper deck connecting between upper ends of the plurality of pillars, the pillars, and a mounting surface on which the lidded container can be mounted by the upper surface of the upper deck In a transport unit comprising a configured pallet,
Conveying units can be stacked up and down,
The reinforcing structure of the side wall side locking portion and the base side locking portion is provided at least at a position located above the pillar portion in a state where the lidded container is placed on the pallet. A transport unit characterized by

  According to the means 4, by providing a reinforcing structure for the side wall side locking portion and the base side locking portion, the portion receiving the load from the upper transport unit when the transport units are stacked, The strength of the side wall side locking portion and the base side locking portion can be effectively enhanced. Therefore, while being able to prevent deformation, damage and the like of the side wall side locking portion and the base side locking portion, it is possible to achieve stabilization and the like of the stacked state of the transport unit.

  It should be noted that “the entire range of the side wall side locking portion and the base side locking portion may be the reinforcing structure”. Further, “in the side wall side locking portion and the base side locking portion, the specific reinforcing portion which is a portion positioned above the pillar portion in a state where the container with lid is placed on the pallet is The side wall side locking reinforcement rib, the base side locking reinforcement rib (or the first locking vertical wall, and the second locking side, rather than the general reinforcement portion which is disengaged from the upper position of the column portion; A middle connecting rib) connecting between the vertical walls may be provided densely (or may have the double wall structure). In this case, the deformation and the like of the side wall side locking portion and the base side locking portion can be prevented, and the operation and effect of stabilizing the stacked state of the transport unit can be further achieved.

Means 5. The side wall portion includes a substantially rectangular plate-shaped base wall portion forming an inner surface of the side wall portion, an upper flange portion projecting outward from an upper side portion of the base wall portion, and an outer side portion from the lower side portion of the base wall portion. And a lower flange portion that protrudes toward the
The side wall side locking portion is configured to project upward from the upper surface of the upper flange portion, and
The side wall portion connects the upper flange portion and the lower flange portion to a portion positioned at least above the column portion in a state where the container main body in the assembled state is mounted on the pallet. Means according to means 4, characterized in that it comprises reinforcing ribs.

  According to the means 5, the side wall reinforcing rib is provided between the reinforcing structure of the side wall side locking portion and the reinforcing structure of the base side locking portion, and deformation of the side wall portion can be prevented more reliably. it can. Therefore, stabilization of the stacking state of the transport unit including the lidded container in which the container body is in the assembled state can be achieved.

It is a perspective view which shows the container main body and lid member of a container with a lid. It is a perspective view which shows the container main body mounted in the pallet. It is a perspective view of the container main body in a folded state. It is a partially expanded perspective view of a container main body. It is a partial expansion perspective view which shows the lower surface side of a container main body. It is a perspective view of a bottom wall structure part. It is a partially expanded perspective view of a long side base part. It is a partial expansion perspective view which shows the outer surface side of a long side wall part. It is sectional drawing which shows the container main body in the state in which one side is a lying position and a other is a standing position among a pair of long side side wall parts. It is a perspective view including a partial cross section of the container main body in a folded state. It is a perspective view including a partial cross section of a lidded container in which the container body is in a folded state. It is a perspective view of a pallet. It is a partially expanded perspective view for demonstrating the stacking state of a container main body. It is a partially expanded perspective view including a pallet and a partial cross section of a container main body. It is a partial expanded sectional view which shows the long side side wall part in a standing position, and a long side base part. It is a perspective view which shows the conveyance unit with which the cover member was covered with respect to the container main body in the several assembly state mounted in the pallet. It is a perspective view which shows the conveyance unit with which the cover member was covered with respect to the container main body in the some folding state mounted in the pallet.

  Hereinafter, an embodiment will be described with reference to the drawings. As shown in FIG. 1, FIG. 2, FIG. 3, etc., the transport unit 1 has a box-like shape that opens upward, and a container main body 3 configured to be foldable, and a lid member 4 to be put on the container main body 3. And a pallet 5 on which the lidded container 2 can be placed. The container body 3, the lid member 4 and the pallet 5 of the present embodiment are made of polypropylene.

  As shown in FIG. 1, FIG. 3, FIG. 6, etc., the container main body 3 is formed from the bottom wall 12 along the long side of the bottom wall 12 having a substantially rectangular shape in plan view and the bottom wall 12 respectively. A bottom wall forming portion 11 comprising a long side base portion 13 projecting upward and a short side base portion 14 projecting upward from the bottom wall portion 12 along each short side portion of the bottom wall portion 12 Have. Furthermore, as shown in FIG. 1 and the like, the container main body 3 has long side wall portions 15 rotatably connected to the long side base portions 13 and the short side base portions 14. And a short side wall portion 16 rotatably connected.

  The long side wall portion 15 and the short side wall portion 16 each have an upright position (see FIG. 1) erected above the long side base portion 13 and the short side base portion 14, and a bottom It is configured to be capable of rotational displacement between a lying position (see FIG. 3) to be laid on the central portion side of the wall portion 12 (see FIG. 3). Further, as shown in FIG. 6, the projection length of the long side base portion 13 from the bottom wall portion 12 is longer than the projection length of the short side base portion 14 from the bottom wall portion 12, and the long side The forming position of the long side bearing portion 17 for rotatably supporting the side wall portion 15 is also greater than the forming position of the short side bearing portion 18 for rotatably supporting the short side wall portion 16. It is located above. Furthermore, the lateral width of the long side wall 15 is configured to be substantially the same as the longitudinal width of the bottom wall component 11, and the lateral width of the short side wall 16 is approximately equal to the distance between the pair of long side base portions 13. It is configured the same.

  For this reason, in the present embodiment, the container body 3 in the assembled state in which all the long side wall portions 15 and the short side wall portions 16 are in the upright position is all the long side wall portions 15 and When the short side wall portion 16 is in the folded position, the pair of short side wall portions 16 are first displaced to the lying position, and then the long side wall portion 15 is placed in the lying position. It is configured to be displaced. Then, when the container body 3 is in the folded state, the short side wall portion 16 located at the lying position overlaps the upper side of the bottom wall portion 12 and the long side sidewall 15 taken at the lying position is short. It overlaps with the upper side of the side side wall portion 16.

  As shown in FIGS. 1, 8 and 9, the long side wall 15 has a substantially rectangular plate-shaped base wall 21 forming the inner surface of the long side wall 15, and the upper side of the base wall 21. The side wall reinforcement which connects between the upper flange 22 which protrudes outward from the part, the lower flange 23 which protrudes outward from the lower side of the base wall 21, the upper flange 22, and the lower flange 23 The rib 24 is provided. Further, the long side side wall portion 15 is provided with a long side hinge portion 25 rotatably connected to the long side bearing portion 17 of the long side base portion 13. The long side hinge portion 25 is a side from the lower end portions of the hinge main body 26 projecting downward from the lower flange portion 23 of the long side wall portion 15 and the both sides of the hinge main body 26 in the lateral width direction of the long side wall portion 15 And a pair of shaft portions 27 projecting in the direction.

  On the other hand, as shown in FIG. 7 and FIG. 9 etc., the long side bearing portion 17 provided in the long side base portion 13 opens upward and on the inner peripheral side of the bottom wall portion 12 and is hinged The insertion portion 31 into which the main body 26 can be inserted, and the shaft portion 27 can be inserted. The displacement of the bottom wall portion 12 of the shaft portion 27 to the inner peripheral side is restricted, and the rotational displacement of the shaft portion 27 is permitted. And an axially supporting portion 32. Further, the long side bearing portion 17 is provided with a hook portion 33 which restricts upward displacement of the shaft portion 27 inserted into the shaft support portion 32.

  In addition, as shown in FIG. 15, the short side hinge part 34 provided with the hinge main body 35 and the axial part (not shown) is provided also in the short side wall part 16, and the said short side hinge part 34 is provided. It is rotatably connected to the short side bearing portion 18 of the short side base portion 14.

  Moreover, as shown in FIG. 4 etc., the insertion protrusion 36 which protrudes outward is provided in the both sides of the outer surface of the short side wall part 16. On the other hand, while the locking wall 37 which protrudes inward from the both sides of an inner surface is provided in the long-side side wall part 15, in the locking wall 37, when the container main body 3 is in the assembled state, An insertion hole 38 is provided in which the insertion protrusion 36 of the short side wall 16 is inserted. With such a configuration, tilting displacement of the short side wall 16 to the outside is prevented, and a positional deviation between the long side wall 15 and the short side wall 16 in the vertical direction is prevented. It has become.

  Further, on the outer surface side of the short side wall portion 16, a lock mechanism 39 is provided which prevents the inward tilting displacement of the short side wall portion 16. The lock mechanism 39 includes a pair of left and right slide pieces 40 provided so as to be able to protrude and retract on each side of the long side wall 15 and, when the container body 3 is in the assembled state, the tip of the slide 40 Is inserted into a locking recess (not shown) provided on the inner surface side of the long side wall portion 15. In addition, the lock mechanism 39 includes the operation unit 41 operable by the operator, and performs a predetermined operation of the operation unit 41, thereby displacing the left and right slide pieces 40 to a position where both slide pieces 40 are pulled out from the locking recess. It is supposed to

  In addition, the upper side of each long side wall 15 and the short side wall 16 penetrates in the thickness direction of the long side wall 15 and the short side wall 16 so that the operator can hold hands. A handle portion 42 is provided. Furthermore, each long side sidewall 15 and each short sidewall with respect to the inner side of each long sidewall 15 and each short sidewall 16 corresponding to each handle 42. A handle cover 43 which is attached so as not to project inward from the inner surface of the portion 16 and closes the handle portion 42 is provided. The handle cover 43 is configured to be elastically deformable, and is deformed inwardly when the operator inserts a fingertip into the handle portion 42, and is held by its own elastic force when the fingertip is removed from the handle portion 42. The posture for closing the hand portion 42 is returned.

  The distance between the pair of short side base portions 14 is longer than twice the height (vertical width) of the short side wall portions 16. For this reason, the heights of the pair of short side wall portions 16 set to the lying position are uniform. On the other hand, the distance between the pair of long side base portions 13 is shorter than twice the height (vertical width) of the long side wall portions 15. For this reason, as shown in FIG. 10, when the container body 3 is folded, one of the pair of long side wall portions 15 is displaced to the lying position, and then the other long side wall portion 15 is displaced. The long side wall 15 is displaced to the lying position so as to overlap the one long side wall 15 which has already been set to the lying position. That is, the pair of long side wall portions 15 are folded so as to be folded over each other. Furthermore, the long side bearing portion 17 is configured to allow displacement in the vertical direction of the long side hinge portion 25 of the long side wall portion 15 located in the lying position, and the pair of long sides set to the lying position The side side wall portions 15 both extend in a substantially horizontal direction.

  As shown in FIG. 1, the lid member 4 includes a top wall 45 having a substantially rectangular shape in plan view and an outer peripheral wall 46 having a substantially square frame shape projecting downward from the outer peripheral edge of the top wall 45. It is formed by molding. When the lid member 4 is put on the container main body 3 in the assembled state, the lower surface of the top wall 45 is supported in contact with the upper surfaces of the long side wall 15 and the short side wall 16 At the same time, the outer peripheral wall 46 is configured to be substantially fitted to the outside so as to surround the long side wall 15 and the short side wall 16. Thus, the upward opening of the container main body 3 in the assembled state is closed, and the positional deviation of the lid member 4 in the horizontal direction is prevented.

  As shown in FIG. 12, the pallet 5 includes a pair of side pillars 51 provided along a pair of opposing side sides of the pallet 5 and a side pillar 51 so as to pass through the central part of the pallet 5. A central column 52 extending in parallel, each side column 51, and an upper deck 53 connecting the upper ends of the central column 52 are provided. In the present embodiment, the side pillar portion 51, the central pillar portion 52, and the upper surface of the upper deck 53 constitute a mounting surface 54 on which the lidded container 2 can be mounted. In addition, a fork insertion portion 55 into which a fork of a forklift can be inserted is formed between each side pillar portion 51 and the central pillar portion 52. In this embodiment, it is a two-way feed type pallet in which forks can be inserted from two of four side surfaces constituting the outer peripheral surface of the pallet 5. Further, the pallet 5 of the present embodiment is provided with an outer peripheral projection 56 for protruding upward from the outer peripheral portion of the mounting surface 54 and for preventing the lidded container 2 mounted on the mounting surface 54 from falling off. .

  Now, as shown in FIG. 1 etc., each long side sidewall 15 is an inner portion of the long side sidewall 15 among the upper sides of the long sidewall 15 (the inner side of the long sidewall 15 And a side wall side locking portion 61 extending along the lateral width direction of the long side wall portion 15. The side wall side locking portion 61 of the present embodiment is provided over the entire lateral width direction of the long side wall portion 15.

  Further, as shown in FIGS. 4 and 9, the side wall side locking portion 61 extends upward from the upper surface of the upper flange portion 22 so as to extend the base wall portion 21 of the long side wall portion 15 upward. A side wall side locking vertical wall 62 which protrudes along the width direction of the long side wall portion 15 and protrudes outward (parallel to the upper flange portion 22) from the upper side of the side wall side locking vertical wall 62 Reinforcing rib having a side wall side locking upper wall 63, a side wall side locking vertical wall 62, a side wall side locking upper wall 63, and a side wall side locking reinforcement rib 64 for connecting the upper flange portion 22 It has a structure. As shown in FIG. 4 and the like, the upper surface of the side wall side locking portion 61 has the same height as the upper side portion of the short side wall portion 16.

  Then, when the lid member 4 is put on the container main body 3 in the assembled state, the inner surface of the outer peripheral wall 46 of the lid member 4 with respect to the outer surface of the side wall side locking portion 61 of the long side wall portion 15 Are configured to abut or approach. Furthermore, in the present embodiment, since the side wall side locking portion 61 is provided over the entire lateral width direction of the long side wall portion 15, the outer peripheral wall portion 46 of the lid member 4 is formed outside the side wall side locking portion 61. And on the upper side of the long side wall 15. In particular, in the present embodiment, the outer surface of the long side wall portion 15 of the container body 3 and the outer surface of the outer peripheral wall 46 of the lid member 4 placed on the container body 3 are substantially flush with each other. There is. In addition, in a state in which the lid member 4 is placed on the container body 3 in the assembled state, the lower surface of the top wall 45 of the lid member 4 is the upper surface of the side wall locking portion 61 of the container body 3 and the short side It abuts on the upper surface of the side wall portion 16 so as to be supported.

  Moreover, as shown in FIG. 6 etc., the bottom wall part 12 is equipped with the substantially rectangular plate-shaped bottom plate part 65. As shown in FIG. As shown in FIG. 13, when the container bodies 3 in the assembled state are stacked (stacked), a portion on the outer peripheral side of the bottom plate portion 65 (a long side base portion on the upper surface side of the bottom wall portion 12) 13 and the portion where the short side base portion 14 is formed (hereinafter referred to as “peripheral corresponding portion 66”) are the long side sidewall 15 and the short side sidewall 16 of the lower container body 3 It is supported in contact with the upper side of the Furthermore, as shown in FIG. 5 and the like, the bottom wall portion 12 is provided with a support portion 67 which protrudes downward from a portion of the bottom plate portion 65 on the inner peripheral side with respect to the outer peripheral corresponding portion 66. The support portion 67 is configured by providing a rib projecting downward from the bottom plate portion 65 in a grid shape in a bottom view. Moreover, as shown in FIG. 10, the outer peripheral corresponding part 66 is provided so that it may be located above the site | part of the inner peripheral side among the baseplate parts 65 of this embodiment. In Drawing 13, illustration of side wall parts 15 and 16 of upper container main part 3 is omitted for convenience.

  Furthermore, as shown in FIG. 5 and the like, the bottom wall configuration portion 11 protrudes downward from the outer peripheral corresponding portion 66 so that a gap is formed between the lower side base portion 13 and the support portion 67. Bottom wall side locking portion 68 is provided. In the present embodiment, the bottom wall side locking portion 68 is provided in the vicinity of both ends of the long side portion of the bottom wall portion 12 and is flush with the outer peripheral surface of the bottom wall configuration portion 11. It is provided along the long side of the part 12. And as shown in FIG. 13, when the container main bodies 3 in the assembled state are stacked, the space between the bottom wall side locking portion 68 of the upper container main body 3 and the support portion 67 (see FIG. 5) It is comprised so that the side wall side latching | locking part 61 of the lower side container main body 3 may be inserted in clearance gap.

  With this configuration, in the stacked state of the container main body 3 in the assembled state, the long side wall portion 15 of the lower container main body 3 may tilt or be displaced in the inner and outer peripheral directions of the container main body 3 Be deterred. In addition, when stacking the container main bodies 3, relative position in the horizontal direction of the container main body 3 placed on the upper side with respect to the container main body 3 in the assembled state is a long side provided with the side wall side locking portion 61. Even in the case where the side wall portion 15 deviates in the lateral width direction (there may be a case where it is shifted and placed), in the gap between the bottom wall side locking portion 68 of the upper container main body 3 and the support portion 67 The side wall side locking portion 61 of the lower side container main body 3 is inserted. As a result, the container main body 3 placed on the upper side is slid on the upper side of the long side wall portion 15 of the lower container main body 3 so that the relative position is matched (slide stacking). it can.

  Moreover, as shown in FIG. 6, FIG. 10, etc., the long side base portion 13 of the present embodiment is an inner portion (a portion on the inner peripheral side of the bottom wall portion 12) of the upper side portion of the long side base portion 13 And a base-side locking portion 71 extending upward along the widthwise direction of the long-side base portion 13. As shown in FIG. 11, when the lid member 4 is placed on the container body 3 in the folded state, the inner surface of the outer peripheral wall 46 of the lid member 4 is in contact with the outer surface of the base side locking portion 71. They are configured to be in contact with or close to each other. Furthermore, the outer peripheral wall 46 of the lid member 4 placed on the container body 3 is positioned above the upper side of the long side base 13, and the long side of the bottom wall configuration 11 including the long side base 13. And the outer surface of the outer peripheral wall portion 46 of the lid member 4 are substantially flush with each other. In addition, in the present embodiment, when the lid member 4 is placed on the container body 3 in the folded state, the lower surface of the top wall 45 of the lid member 4 corresponds to the base-side locking portion 71 of the container body 3. It is supported in contact with the upper surface of the. In the present embodiment, it is also possible to stack (stack) the container bodies 3 in the folded state, and in that case, the support portion 67 of the upper container body 3, the bottom wall side locking portion 68 and The base-side locking portion 71 of the lower container body 3 is inserted into the gap between the two.

  Moreover, as shown in FIG. 6 etc., the base side latching | locking part 71 is provided with the reinforcement rib structure part 72 provided with a reinforcement rib structure, and the double wall structure part 73 provided with double wall structure. As shown in FIG. 10, the reinforcing rib structure portion 72 protrudes upward from the upper side portion of the long side base portion 13 so as to extend the inner wall portion 74 constituting the inner surface of the long side base portion 13 upwards, The base-side locking vertical wall 75 extending along the width direction of the long-side base portion 13 and the outer side from the upper side of the base-side locking vertical wall 75 (parallel to the upper surface of the long-side base portion 13 ) Base-side locking reinforcement rib that connects between the projecting base-side locking upper wall 76, the base-side locking vertical wall 75, the base-side locking upper wall 76, and the upper side of the long side base portion 13 It has 77 and.

  On the other hand, as shown in FIG. 11, FIG. 14 and FIG. 15, the double wall structure part 73 is constructed by extending the inner wall part 74 of the long side base part 13 upward. A first locking vertical wall 78 projecting upward from the upper side and extending along the widthwise direction of the long side base portion 13 and an outer surface of the first locking vertical wall 78 are opposed to each other at a predetermined distance. An upper locking connection wall 80 connecting between the second locking vertical wall 79 provided, the first locking vertical wall 78, and the upper end of the second locking vertical wall 79, and the first locking vertical wall 78 , A second locking vertical wall 79, and an upper locking connecting wall 80, and includes a middle connecting rib 81 extending vertically. Incidentally, the second locking vertical wall 79 of the double wall structure 73 is provided with a hole 79a for communicating each space partitioned by the middle connection rib 81 inside the double wall structure 73 with the outside. ing.

  Further, as shown in FIG. 7 and the like, in the present embodiment, in the longitudinal direction of the long side base portion 13, the base side locking portion 71 of the portion corresponding to the insertion portion 31 of the long side bearing portion 17 is omitted. ing. Furthermore, the reinforcement structure (reinforcing rib structure or double wall structure) of the base side locking portion 71 is omitted at a portion corresponding to the pivot portion 32 of the long side bearing portion 17, and basically the base side engagement portion is engaged. Of the stoppers 71, only the base-side locking vertical wall 75 or the first locking vertical wall 78 is configured to be present.

  In addition, as shown in FIG. 8 and FIG. 15, when the long side wall portion 15 is in the upright position on the lower surface side of the lower flange portion 23 of the long side wall portion 15, the base side locking portion An upright inclined portion 83 is provided in contact with the corner formed by the upper surface and the outer surface of the upper surface 71 and inclined upward toward the inner peripheral side of the bottom wall portion 12. Further, as shown in FIG. 7 and FIG. 15, a locking recess 84 is provided in a portion on the inner surface side of the long side base portion 13 in the upper surface of the base side locking portion 71. Furthermore, as shown in FIGS. 8 and 15, the lower flange portion 23 of the long side wall portion 15 is substantially locked in the locking recess 84 when the long side wall portion 15 is in the upright position. An inner locking projection 85 is provided, and an outer locking projection 86 substantially locked on the outer surface side upper portion of the long side base portion 13 is provided.

  As shown in FIG. 2, in the pallet 5 of this embodiment, the longitudinal direction of the container main body 3 is orthogonal to the extending direction of the side post 51 and the central post 52 (fork insertion portion 55). As the container body 3, three container bodies 3 can be placed side by side. Further, as shown in FIG. 16, in the present embodiment, the upper side of the three container main bodies 3 is covered on one side with respect to the container main body 3 in the assembled state placed three side by side with respect to the pallet 5. A large-sized lid member 88 can be attached. The basic configuration of the lid member 88 is the same as that of the lid member 4 described above, and includes a top wall 45 and an outer peripheral wall 46. When the lid member 88 is placed on the container body 3 in the assembled state in which three pallets 5 are placed side by side, the container body 3 is positioned above the side of the mounting surface 54 of the pallet 5. The inner surface of the outer peripheral wall 46 of the lid member 88 is in contact with or in proximity to the outer side surface of the side wall side locking portion 61 of the long side wall portion 15. In the present embodiment, when the container main body 3 as shown in FIG. 1 and the lid member 4 corresponding to the container main body 3 are put on the container main body 3, the outer surface of the long side wall portion 15 of the container main body 3 and the lid Since the outer surface of the outer peripheral wall 46 of the member 4 is substantially flush, it is also possible to install three lidded containers 2 in a state in which the lid member 4 is covered on the pallet 5 in a row.

  Furthermore, as shown in FIG. 17, even when three container main bodies 3 in the folded state are installed side by side with respect to the pallet 3, the lid member 88 is configured to cover the upper side of the three container main bodies 3 on one side. Can be covered.

  In addition, on the upper surface side of the lid member 88, there is provided a lid-side stacked recess 89 in which the side pillar portion 51 of the pallet 5 and the lower portion of the central pillar portion 52 can be fitted. As a result, it becomes possible to place three container bodies 3 side by side on the pallet 5 and to stack (stack) the transport units 1 with the lid members 88 covered on the container bodies 3 vertically.

  Further, as shown in FIG. 2 and the like, in the present embodiment, the side wall side locking portion 61 of the long side wall portion 15 has a reinforcing structure including the side wall side locking reinforcement rib 64 and the like in the entire longitudinal direction. It is done. In particular, in the side wall side locking portion 61, the side pillar portion 51 and the side wall side specified reinforcing portion 91 located above the central pillar portion 52 in a state where the lidded container 2 is placed on the pallet 5. The side wall side locking reinforcement rib 64 is provided more densely than the side column portion 51 and the side wall side general reinforcing portion 92 provided at a position out of the upper position of the central column portion 52.

  Furthermore, in the state where the container 2 with lid is placed on the pallet 5 in the base side locking portion 71, the base side specified reinforcing portion 93 which is a portion positioned above the side post 51 and the central post 52. Is constituted by a double wall structure, and in particular, the base-side specified reinforcing portion 93 located above the central post 52 is the side post 51 and the central post of the base-side locking portion 71. The middle connection rib 81 is provided more densely than the double-walled structure of the base-side general reinforcement portion 94 provided at a position out of the upper position 52.

  Further, the side wall reinforcing rib 24 provided on the outer surface side of the long side wall portion 15 mainly above the side post portion 51 and the central post portion 52 in a state where the lidded container 2 is placed on the pallet 5 Provided at the site located at

  Further, as shown in FIGS. 6 and 14, the bottom wall forming portion 11 includes the long side base portions 13 and the bottom wall at portions corresponding to both longitudinal end portions and the central portion of the bottom wall portion 12. An inclined wall 95 is provided to obliquely connect with the portion 12 (bottom plate portion 65). In the state where the container main body 3 is mounted on the pallet 5 as described above, each side pillar portion 51 and the central pillar portion are provided in the range where the inclined wall 95 is provided in the longitudinal direction of the bottom wall portion 12 52 are provided.

  Furthermore, the bottom wall portion 12 includes a thick bottom portion 97 which is thicker than the general portion 96 of the bottom wall portion 12 at a portion adjacent to the lower end portion of the inclined wall 95. In the present embodiment, the thick bottom portion 97 is provided so as to connect between the inclined walls 95 facing each other in the short side direction of the bottom wall portion 12. The thick bottom portion 97 is configured by positioning the bottom plate portion 65 at the corresponding position upward and extending the support portion 67 upward as the bottom plate portion 65 is positioned upward.

  As described above in detail, according to the present embodiment, when the lid member 4 is placed on the container main body 3 in the assembled state, the outer peripheral wall portion 46 of the lid member 4 is the side wall side locking portion 61 And the upper side of the upper side of the long side wall 15. Further, when the lid member 4 is put on the container main body 3 in the folded state, the outer peripheral wall 46 of the lid 4 is the outer surface side of the base side locking portion 71 and the long side base portion 13 It is arranged at the upper position of the upper side. Thereby, the lid member 4 is more outward than the outer surface of the long side wall portion 15 of the container body 3 while preventing the lid member 4 covering the container body 3 from being displaced relative to the horizontal direction and coming off. It can be configured not to protrude into the

  Furthermore, the side wall side locking portion 61 and the base side locking portion 71 have at least one of the reinforcing rib structure and the double wall structure. Therefore, the strength of the side wall side locking portion 61 and the base side locking portion 71 can be dramatically improved. Therefore, deformation and damage to the side wall side locking portion 61 and the base side locking portion 71 can be prevented, and the durability of the lidded container 2 is improved, and the lid member 4 is covered on the container body 3 Stabilization can be achieved. In addition, with regard to the side wall side locking portion 61, it is possible to secure sufficient strength for the slide stack performed when stacking the container main body 3 in a stacked manner.

  In addition, the side wall side locking vertical wall 62 of the side wall side locking portion 61 is provided so as to extend the base wall portion 21 constituting the inner surface of the long side wall portion 15 upward. The wall 63 protrudes outward from the upper side of the side wall side locking vertical wall 62. Furthermore, the base-side locking vertical wall 75 of the base-side locking portion 71 is provided so as to extend the inner wall portion 74 constituting the inner surface of the long-side base portion 13 upward. Protrudes outward from the upper side of the base-side locking vertical wall 75. With these configurations, when a downward force is applied to the side wall side locking portion 61 and the base side locking portion 71, the bottom wall side locking portion 68 and the base side locking portion 71 can be It can support more stably. Furthermore, a reinforcing rib structure will be provided on the outer surface side of the long side wall portion 15 and the long side base portion 13, and when taking out the article contained in the container main body 3, the article is caught in the reinforcing rib structure It is possible to avoid such situations.

  Further, when the lid member 4 is put on the container main body 3 in the assembled state, the upper surface of the side wall side locking portion 61 abuts on the lower surface of the top wall 45 and the lid member is put on the container main body 3 in the folded state. When 4 is put, the upper surface of the base side locking portion 71 abuts on the lower surface of the top wall portion 45. Therefore, for example, the outer peripheral wall 46 of the lid 4 abuts on the upper side of the long side wall 15 or the upper side of the long side base 13 in a state where the cover 4 is placed on the container body 3 Compared with a configuration in which the top wall 45 does not contact the side wall side locking portion 61 or the base side locking portion 71, the load on the outer peripheral wall 46 of the lid member 4 can be reduced. Therefore, in the case where a downward force is applied to the lid member 4 placed on the container main body 3, the situation that the outer peripheral wall 46 is deformed or damaged is prevented or the deformation and the like are avoided. In order to make the outer peripheral wall 46 thick (by forming a molded product), it is necessary to make the side wall side locking portion 61 and the base side locking portion 71 thinner, and the lid member 4 is manufactured. It is possible to avoid a situation such as a reduction in efficiency.

  Further, in the present embodiment, in the longitudinal direction of the long side base portion 13, the base side locking portion 71 of a portion corresponding to the insertion portion 31 of the long side bearing portion 17 is omitted. Therefore, for example, in the thickness direction of the long side base portion 13 as compared with a configuration in which the base side locking portion 71 is provided to the upper side portion of the long side base portion 13 also in the portion corresponding to the insertion portion 31. The insertion portion 31 can be sufficiently secured, and in turn, the thickness of the hinge main body 26 can be sufficiently secured. Therefore, the durability of the long side hinge portion 25 can be improved.

  Furthermore, the reinforcing structure (reinforcing rib structure or double wall structure) of the portion corresponding to the pivot support portion 32 of the long side bearing portion 17 in the base side locking portion 71 is omitted (base side locking Only the vertical wall 75 is present). Therefore, the width of the shaft support portion 32 in the thickness direction of the long side base portion 13 can be easily secured, and consequently, the thickness of the shaft portion 27 of the long side hinge portion 25 and the shaft portion 27 upward from the shaft support portion 32 It is possible to secure the size and the like of the hook portion 33 that prevents it from coming off. In addition, the long side bearing portion 17 can be molded relatively smoothly.

  Even if the base-side locking portion 71 is provided intermittently in the longitudinal direction of the long-side base portion 13, as described above, the base-side locking portion 71 has a reinforcing rib structure, and Since at least one of the double-walled structure is provided, strength can be secured for each of the base-side locking portions 71 provided intermittently.

  In addition, when the long side wall 15 is in the upright position, the lower flange 23 of the long side wall 15 is in contact with the corner between the upper surface and the outer surface of the base locking portion 71. There is provided a rising inclined portion 83 which is in contact with the lower wall portion 12 and is inclined upward toward the inner peripheral side of the bottom wall portion 12. For this reason, when the container body 3 in the folded state is put into the assembled state, when the long side wall portion 15 provided with the side wall side locking portion 61 is in the standing position, the long side wall portion 15 is When the rising inclined portion 83 abuts on the base-side locking portion 71 of the long-side base portion 13, the tilting displacement of the long-side wall portion 15 toward the lying position is suppressed. Therefore, the long side wall portion 15 at the standing position can be made to stand on its own, and the assembling workability of the container body 3 can be improved.

  Furthermore, when the container main body 3 is installed on a flat installation surface, the outer peripheral corresponding portion 66 which is also the lower position of the long side base portion 13 and the short side base portion 14 in the bottom wall configuration portion 11 And is not directly supported from the installation surface. For this reason, it is desirable for the long side base portion 13 and the short side side base portion 14 to be prevented from being applied with a force that opens outward as much as possible.

  In this respect, according to the present embodiment, when the container body 3 is in the assembled state, when a downward force is applied to the long side sidewall 15, the long side sidewall 15 is The upstanding inclined portion 83 and the base-side locking portion 71 of the long-side base portion 13 are in pressure contact, and the base-side locking portion 71 is tilted and displaced inward (inner peripheral side of the bottom wall portion 12) Power is added. Accordingly, it is possible to prevent the situation in which the long side base portion 13 is tilted and displaced outward.

  Even if the force is applied to the inner peripheral side of the bottom wall 12 with respect to the base locking portion 71 from the rising inclined portion 83 of the long side wall 15 in the standing position, as described above Since the base side locking portion 71 includes at least one of the reinforcing rib structure and the double wall structure, it is possible to prevent the deformation, damage, and the like of the base side locking portion 71.

  Further, in the present embodiment, almost the whole of the side wall side locking portion 61 and the base side locking portion 71 is configured to have a reinforcing structure, and in particular, the container main body 3 is mounted on the pallet 5 In the case where the side post portion 51 and the portion located above the central post portion 52, a relatively high strength reinforcement structure (side wall side specific reinforcement portion 91, base side specific reinforcement portion 93) is used. That is, the container body 3 is placed on the pallet 5 and the transport units 1 (see FIG. 16 and FIG. 17) in which the lid member 88 is covered on the container body 3 are stacked (the lower transport unit 1 In the case where the pallet 5 of the upper transport unit 1 is placed on the lid member 88), a portion of the side wall side locking portion 61 and the base side locking portion 71 which receives a load from the upper transport unit 1 In contrast, a reinforcing structure is effectively provided. Therefore, while preventing a deformation | transformation, damage, etc. of the side wall side latching | locking part 61 and the base side latching | locking part 71, stabilization of the stacking state of the conveyance unit 1 etc. can be achieved.

  Furthermore, the long side sidewall portion 15 is provided with the upper flange portion 22 at a position located at least above the side post 51 and the central post 52 when the container main body 3 in the assembled state is placed on the pallet 5. And the lower flange portion 23 are provided with side wall reinforcing ribs 24. For this reason, the side wall reinforcing rib 24 is provided between the reinforcing structure of the side wall side locking portion 61 and the reinforcing structure of the base side locking portion 71, so that the deformation and the like of the long side wall portion 15 can be made more reliably. It can be prevented. Therefore, stabilization of the stacking state of the transport unit 1 including the lidded container 2 in which the container body 3 is in the assembled state can be achieved.

  In addition, in a state where the container main body 3 is placed on the pallet 5, at least a portion of the bottom wall configuration portion 11 located above the side post portion 51 and the central post portion 52 is an inclined wall 95, The thick bottom portion 97 is provided, and the strength of the corresponding portion of the bottom wall configuration portion 11 is enhanced. Therefore, the effect of achieving stabilization of the stacked state of the transport unit 1 is further enhanced.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other applications and modifications not illustrated below are naturally possible.

  (A) In the above embodiment, the side wall side locking vertical wall 62 of the side wall side locking portion 61, the base side locking vertical wall 75 of the base side locking portion 71, and the first locking vertical wall 78 The base wall portion 21 of the long side wall portion 15 and the inner wall portion 74 of the long side base portion 13 are provided to extend upward, but are provided at a position shifted outward. It is also good. Furthermore, the side wall side locking upper wall 63 of the side wall side locking portion 61 protrudes outward from the upper side of the side wall side locking vertical wall 62, and the base side locking upper wall 76 of the base side locking portion 71 is the base side. The side wall side locking upper wall 63 protrudes inward from the top side portion of the side wall side locking vertical wall 62 and the base side locking upper wall 76 protrudes from the upper side portion of the locking vertical wall 75. It may be configured to project inward from the upper side of the base-side locking vertical wall 75.

  However, by providing the side wall side locking vertical wall 62, the base side locking vertical wall 75, and the first locking vertical wall 78 on the extension line of the base wall portion 21 and the inner wall portion 74, When a downward force is applied to the side wall side locking vertical wall 62, the base side locking vertical wall 75, and the first locking vertical wall 78, the side wall side locking vertical wall 62 and the base The side locking vertical wall 75 and the first locking vertical wall 78 can be supported more effectively. Furthermore, as in the above embodiment, by forming the reinforcing rib structure of the side wall side locking portion 61 and the base side locking portion 71 on the outer surface side, the articles are taken out when the articles contained in the container main body 3 are taken out Can be prevented from being caught by the reinforcing rib structure.

  (B) In the above embodiment, the side wall side locking portion 61 is provided continuously over the entire width direction of the long side wall portion 15, but the side wall side locking is performed over the entire width direction of the long side wall portion 15. The part 61 may be provided intermittently. However, in order to prevent the outer peripheral wall portion 46 of the lid member 4 covering the container body 3 from protruding outward from the outer surface of the long side wall portion 15 of the container body 3, the upper side portion of the long side wall portion 15 At the outer surface side of the long side wall portion 15, a step-like portion (concave portion) capable of accommodating the outer peripheral wall portion 46 of the lid member 4 is provided. In addition, the lid member 4 is provided on the outer surface side of the upper portion of the long side wall portion 15 (long side base portion 13) over the entire width direction of the long side wall portion 15 (entire extension direction of the long side base portion 13). In the configuration in which the concave portion for housing the outer peripheral wall portion 46 is provided, the strength of the upper portion of the long side sidewall portion 15 (long side base portion 13) as compared with the configuration in which the concave portion is partially provided. The decline is even more concern. In this respect, as in the above embodiment, by providing a reinforcing structure to the side wall side locking portion 61 (base side locking portion 71), the upper portion of the long side wall portion 15 (long side base portion 13) can be obtained. The action and effect such as increasing the strength is more prominent.

  Also on the short side of the lidded container 2, a side wall side locking portion is provided over the entire widthwise direction of the short side wall portion 16, and the lid member 4 placed on the container body 3 is the short side wall 16. It may be configured so as not to protrude outward (for example, to be flush with) the outer surface.

  (C) In the above embodiment, the entire side wall side locking portion 61 is configured as a reinforcing rib structure, but in a state where the lidded container 2 is placed on the pallet 5, at least the side pillar portion 51, and The site located above the central column 52 may be a reinforcing rib structure.

  Furthermore, in the above-mentioned embodiment, although the reinforcement rib structure part 72 and the double wall structure part 73 exist in the base side locking part 71, it unifies to either one reinforcement structure. You may do it. Furthermore, the reinforcing structure of the base-side locking portion 71 is provided at least at a position located above the side post 51 and the central post 52 when the lidded container 2 is placed on the pallet 5. Just do it. Moreover, in the said embodiment, although the base side latching | locking part 71 is abbreviate | omitted in the site | part corresponding to the insertion part 31 of the long side bearing part 17 among the long side base parts 13, for example, a long side bearing The width of the long side base portion 13 in the thickness direction is narrowed and the portion 17 (the insertion portion 31 and the shaft support portion 32) is formed closer to the inner peripheral side of the bottom wall portion 12 and the upper side of the long side bearing portion 17 The base-side locking portion 71 may be configured to extend along the opening portion. However, in this case, since it is necessary to reduce the thickness of the long side hinge portion 25, the base side engagement portion 71 may be omitted in the portion corresponding to the insertion portion 31 as in the above embodiment. Is desirable. Furthermore, the reinforcement structure may be provided also in the portion corresponding to the pivot support portion 32 of the long side bearing portion 17 in the base side locking portion 71. However, in such a case, since it is necessary to make the shaft portion 27 of the long side hinge portion 25 smaller, etc., as in the above embodiment, the portion corresponding to the shaft support portion 32 omits the reinforcing structure. Is desirable.

  (D) In the above embodiment, the shape of the cover 4 is not particularly limited, and the top wall 45 capable of closing the upper opening of the container body 3 in the assembled state and the cover 4 are assembled. The cover member 4 is provided with an outer peripheral wall 46 which faces the outer peripheral surface of the container main body 3 and is in a substantially locked state in a state of covering the container main body 3 in the state. It should just be comprised so that it may not protrude outward rather than the outer surface of. For example, in the outer peripheral wall portion 46, stepped portions having different lower side portions may be provided. In addition, the lid member 4 may be formed by die molding.

  Furthermore, for example, when the lid member 4 is put on the container main body 3 in the assembled state, the outer peripheral wall 46 of the lid 4 is held in contact with the upper side of the long side wall 15 and supported, and the top wall 45 is It may be configured to be slightly separated from the side wall side locking portion 61. Also, for example, when the lid member 4 is put on the container body 3 in the folded state, the outer peripheral wall 46 of the lid member 4 is supported in contact with the upper side of the long side base 13 and the top wall 45 is It may be configured to be slightly separated from the base-side locking portion 71. However, as in the above embodiment, the side wall side locking portion 61 and the base side locking portion 71 can be supported in contact with the lower surface of the top wall portion 45 of the lid member 4 so that the lid member 4 is Even if the strength of the outer peripheral wall 46 is not so much increased, it is possible to prevent the deformation and the like of the outer peripheral wall 46 in the stacked state of the transport unit 1.

  (E) In the above embodiment, the inclined wall 95 connecting between the long side base portion 13 and the upper surface of the bottom wall portion 12 is provided, and the thick bottom portion 97 is formed in the bottom wall portion 12 adjacent to the inclined wall 95. However, one or both may be omitted. In addition, although the thick bottom portion 97 of the above embodiment extends so as to connect between the pair of long side base portions 13 facing each other, the thick bottom portion 97 may be provided only in the vicinity of the inclined wall 95.

  (F) In the above embodiment, after the pair of short side wall portions 16 is set to the lying position first, the pair of long side wall portions 15 is set to the lying position. After setting the side wall portion 15 to the lying position first, the pair of short side wall portions 16 may be set to the lying position. Furthermore, in the above embodiment, while the height positions of the pair of short side wall portions 16 at the lying position are aligned, the pair of long side wall portions 15 at the lying position is vertically overlapped. However, for example, the short side wall portions 16 located at the lying position may be vertically overlapped, or the height position of the long side wall portions 15 located at the lying position may be set. It may be configured to be aligned.

  (G) The pallet 5 of the above embodiment is a two-way type pallet including a pair of side pillars 51 and a central pillar 52, but four corner pillars provided at four corners of the pallet The fork from the four side faces that make up the outer peripheral surface of the pallet, including an intermediate post provided in the middle part of a pair of corner posts arranged along the side of the pallet and a central post provided at the central part of the pallet It is also possible to adapt to pluggable four-way type pallets.

  In the above embodiment, three container bodies 3 can be installed side by side with respect to the pallet 5, but the number of container bodies 3 that can be placed side by side on the pallet 5 is particularly limited is not. For example, the present invention may be embodied in a carrying unit including a pallet on which two container bodies 3 can be placed side by side and a lid member that collectively closes the upper portions of the two container bodies 3 placed on the pallet. It is possible.

  (H) The lidded container 2 and the pallet 5 of the above embodiment are made of polypropylene, but may be made of other resin materials such as polyethylene, PET, polyamide and the like.

  DESCRIPTION OF SYMBOLS 1 ... Transport unit, 2 ... Container with a lid, 3 ... Container main body, 4 ... Lid member, 5 ... Pallet, 11 ... Bottom wall structure part, 12 ... Bottom wall part, 13 ... Long side base part, 14 ... Short side Side base portion 15 long side wall portion 16 short side wall portion 25 long side hinge portion 26 hinge main body 27 axial portion 31 insertion portion 32 axial support portion 45 Top wall portion 46: outer peripheral wall portion 51: side column portion 52: central column portion 53: upper deck 54: mounting surface 61: side wall side locking portion 62: side wall side vertical wall, 63: Side wall side locking upper wall, 64: Side wall side locking reinforcement rib, 71: Base side locking portion, 75: Base side locking vertical wall, 76: Base side locking upper wall, 77: Base side locking Reinforcement rib, 78: first locking vertical wall, 79: second locking vertical wall, 80: upper locking connection wall, 81: middle connection rib, 83: rising inclined portion, 88: lid member

Claims (3)

A bottom wall comprising a bottom wall having a substantially rectangular shape in plan view, and a base portion projecting upward along each side of the bottom wall, and each of the bottom walls. A container body comprising a side wall portion pivotally connected between a standing position erected above each of the base portions with respect to the base portion and a lying position lying above the bottom wall portion When,
It has a ceiling wall portion having a substantially rectangular shape in a plan view and substantially rectangular shape capable of covering the upper surface side of the container body, and a lid member provided with an outer peripheral wall portion having a substantially square frame shape projecting downward from the outer peripheral edge of the ceiling wall portion. In a container with a lid,
At least a pair of opposing side wall portions of the side wall portion project upward from a portion on the inner surface side of the side wall portion of the upper side portion of the side wall portion, and the side wall side engagement extends along the lateral width direction of the side wall portion Equipped with a stop
The base portion connected to the side wall portion provided with the side wall side locking portion in the base portion protrudes upward from a portion on the inner peripheral side of the bottom wall portion in the upper side portion of the base portion; A base-side locking portion extending along the width direction of the base portion;
When the lid member is placed on the container body in the assembled state in which all the side wall portions are in the upright position, the outer peripheral wall portion of the lid member with respect to the outer surface of the side wall side locking portion The inner surfaces of the
When the lid member is covered on the container main body in a folded state in which all the side wall portions are in the lying position, the outer peripheral wall portion of the lid member with respect to the outer surface of the base side locking portion The inner surfaces of the members are in contact with or close to each other,
The side wall side locking portion protrudes upward from the upper side portion of the side wall portion, and extends from the upper side portion of the side wall side locking vertical wall to a side wall side locking vertical wall extending along the lateral width direction of the side wall portion A connection is made between the side wall side locking upper wall projecting in the direction intersecting with the side locking vertical wall, the side wall side locking vertical wall, the side wall side locking upper wall, and the upper side portion of the side wall portion A reinforcing rib structure having a side wall side locking reinforcing rib,
The base side locking portion is
A base-side locking vertical wall projecting upward from the upper side of the base and extending along the width direction of the base, and an upper side of the base-side locking vertical wall to the base-side locking vertical wall A base-side locking upper wall projecting in a cross direction, the base-side locking vertical wall, the base-side locking upper wall, and a base-side locking reinforcement rib for connecting between the upper sides of the base portion; A reinforcing rib structure provided with
A first locking vertical wall projecting upward from the upper side of the base portion, extending along the width direction of the base portion, and facing each other at a predetermined distance in the thickness direction of the base portion; At least one of the double-walled structure comprising a second locking vertical wall, the first locking vertical wall, and an upper locking connection wall connecting the upper ends of the second locking vertical wall. A container with a lid characterized in that it has a reinforcing structure. Each side wall portion includes a hinge body projecting downward from the lower side portion of the side wall portion, and a shaft portion projecting laterally from a lower portion of the side surface of the hinge body in the lateral width direction of the side wall portion. Equipped
Each base portion is open at the upper side and the inner peripheral side of the bottom wall portion, and an insertion portion capable of inserting the hinge main body and the shaft portion are configured to be insertable, and the bottom wall of the shaft portion And a bearing portion for restricting the displacement of the portion to the inner peripheral side and allowing the rotational displacement of the shaft portion.
In the longitudinal direction of the base portion provided with the base-side locking portion, the base-side locking portion is omitted at a portion corresponding to the insertion portion, and the reinforcing structure is omitted at a portion corresponding to the pivot portion. A container with a lid according to claim 1, characterized in that A container with a lid according to claim 1 or 2;
A plurality of pillars, and an upper deck connecting between upper ends of the plurality of pillars, the pillars, and a mounting surface on which the lidded container can be mounted by the upper surface of the upper deck In a transport unit comprising a configured pallet,
Conveying units can be stacked up and down,
The reinforcing structure of the side wall side locking portion and the base side locking portion is provided at least at a position located above the pillar portion in a state where the lidded container is placed on the pallet. A transport unit characterized by

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