JP5681927B2 - Transport container - Google Patents

Description

  The present invention is very easy to squeeze or widen the lower end of the opposing side plate, and when expanded, can be safely stacked without reducing the volume, and the lower end of the side plate is squeezed. The present invention relates to a transport container that can be nested with each other with a reduced volume.

  Conventionally, containers having a plurality of types of structures have been used as transport containers. In general, like a beer and soft drink return box, a side plate is integrally formed perpendicular to the bottom surface, and a container in which a protrusion on the bottom surface is fitted to an opening on the top surface and can be stacked together. It is used. However, such a container has a problem that not only does the total volume of the stacking do not change even in an empty state in which the contents are not stored, so that not only a large storage space is required but also the transportation efficiency is poor.

  Therefore, there are known folding containers that can fold side plates so that they can be stored efficiently when not in use, and containers that can be nested by rotating 180 degrees horizontally during storage. It has been.

  Patent document 1 shows an example of a foldable container. Such a collapsible container reduces the overall volume by first folding the first side plate in the short direction inward and then folding the second side plate in the longitudinal direction on the first side plate. When assembling, as opposed to folding, the second side plate is erected and then the first side plate is erected, thereby assembling together.

  Patent Document 2 shows an example of a container capable of stacking and nesting. In the container of Patent Document 2, a pair of fitting projections extending in the vertical direction and projecting outward on the front and rear short side surfaces of the container main body skeleton are provided at positions that are staggered from each other in the front and rear. In addition, fitting recesses are provided for fitting the fitting projections of the upper container when stacked, and the fitting recesses open upward and inward. With the above configuration, it is possible to perform nesting with a short height by dropping empty containers.

JP 2011-51628 A Japanese Patent Application Laid-Open No. 10-211936

  Since the folding container of Patent Document 1 can be stacked with four side plates folded inward, the volume during storage can be reduced, and both storage efficiency and transportation efficiency are extremely good. However, there is a problem that it takes time to fold or assemble an empty container. In addition, when the four side plates are not securely locked at the time of assembly, if the pressing force is applied from the outside to the inside, the side plates may be folded inadvertently, and the contents may be damaged or damaged.

  In addition, the plastic pass-through container of Patent Document 2 does not require assembly or folding work, but when nesting empty containers, it is fitted with a fitting protrusion that opens 180 degrees in the horizontal direction. Must be fitted in the recess. When storing the contents and stacking them up and down, contrary to the nesting, care must be taken so that the fitting convex part of the upper container does not fit into the fitting concave part of the lower container. There is a problem that must be.

    The present invention has been made in view of the present situation, and an object of the present invention is to provide a transporting container capable of narrowing or expanding the lower end portion of the side plate with one touch and capable of stacking and nesting.

Carrying container according to the present invention comprises a flat rectangular frame portion, and four side plates joined freely bent by a hinge portion to the lower end of the frame portion, than the inner dimension of the frame portion is assembled to the side plates It consists of a small bottom plate, and the side plate has a lower end smaller than the upper end and is narrowed downward, and has a flat trapezoidal bottom plate support projecting perpendicularly to the lower end inward. The bottom plate support portion includes a support plate on both side ends whose inner ends are constricted inward and a plurality of support plates having protrusions projecting on the side surfaces of the front end portion. the guide plate is provided, it said bored long hole one or more guide plates slidably assembled projections of the support plate is fitted into the long hole of the guide plate, the lower end of the side plate luck that characterized the Rukoto can be or spread or or narrowed Is the use container.

  The bottom plate support portion has protrusions projecting from opposite side surfaces of a pair of support plates, and is sandwiched between the pair of support plates on the bottom surface of the bottom plate, and a guide plate having a thin end portion and a base portion. Can be provided. Also, the frame portion is provided with a fitting recess that opens inward and upward, and the bottom surface is inclined upward and outward. The side plate is open inward and upward, and the bottom surface is inclined downward and outward. It is preferable that a recess for fitting is provided, and the recess for fitting of the frame portion and the recess for fitting of the side plate are provided so as to coincide with each other in the vertical direction.

  Since the upper end of the side plate is connected to the frame portion by a hinge portion and is formed by narrowing the width dimension of the lower end portion of the side plate, the side plate can be rocked inward or outward. The side plate has a bottom plate support portion on which the bottom plate is placed projecting at a right angle, and the bottom plate is slidably assembled to the bottom plate support portion. Therefore, when the side plate is rocked, the bottom plate is placed on the bottom plate support portion. Will move up and down. When the bottom plate moves up and down, the other side plates also rock together, and the bottom end of the side plate can be narrowed or widened with a single touch. Nesting is possible by narrowing the lower end of the side plate, and stacking is possible by widening the lower end of the side plate.

  Moreover, the volume at the time of nesting can be made still smaller by providing the fitting recessed part which corresponds to a perpendicular direction to a frame part and a side plate. One or more fitting recesses may be provided on each side surface.

It is an upper surface perspective view which shows embodiment of the container for conveyance which concerns on this invention. It is also a plan view. It is a bottom view similarly. It is an explanatory upper surface perspective view which removed the side plate of two side surfaces. It is the bottom perspective view for description which removed the side plate of two side surfaces, floated the bottom plate, and abbreviate | omitted one part. It is explanatory drawing nested in the AA sectional view of FIG. FIG. 3 is an explanatory view of stacking in a cross section taken along line BB of FIG.

  Below, embodiment of the container for conveyance which concerns on this invention is described. As shown in FIG. 1, the transport container 1 is configured such that a long side plate 3 and a short side plate 4 are joined to a lower end of a flat rectangular frame portion 2 so that the frame portion can be bent. The flat rectangular bottom plate 5 having a size smaller than the inner size of 2 is provided.

  The frame portion 2 has an upper flange 21 projecting in two steps on the outer upper end, and a lower flange 22 projecting in two steps on the outer lower end. The upper flange 21 and the lower flange 22 are connected by a vertical rib 23. Has been. On the opposing surface on the short side of the frame portion 2, a handle through hole 24 is provided.

  Further, the frame 2 is formed with fitting recesses 25 and 26 opened inward and upward in order to reduce the volume when nesting and to improve the strength of the container. The fitting recesses 25 are formed at three locations on the long side of the frame portion 2, and the fitting recesses 26 are formed at two locations on the short side of the frame portion 2. The fitting recesses 25 and 26 have the same shape, and the bottom surface (the outer surface side of the frame portion 2) is inclined upward and outward as a whole.

  That is, as apparent from FIGS. 1, 2, and 4, the upper ends of the fitting recesses 25 and 26 are notched inside the upper flange 21 and the lower flange 22, and a part of the peripheral wall of the frame portion 2 is expanded. It is formed by letting out. The fitting recesses 25 and 26 are formed in a trapezoidal shape having a narrow bottom surface (outer surface side of the frame portion) in the cross section.

  The frame portion 2 and the side plates 3 and 4 are joined by a hinge portion 6 so as to be bent. Accordingly, the side plates 3 and 4 can swing inward and outward like the pendulum at the lower end portion around the hinge portion 6. The hinge portion 6 can have a known structure such as a film shape or a mechanical structure, and is not particularly limited.

  Next, the side plate 3 and the side plate 4 will be described. The front shapes of the side plate 3 and the side plate 4 are formed in an inverted trapezoidal shape with a narrowed lower end portion, and a bottom plate support portion 31 that slidably supports the bottom plate 5 is provided on the inner side of the lower end of the side plate 3. A bottom plate support portion 41 that slidably supports the bottom plate 5 is provided in a projecting manner at the lower end inside. Further, the side plate 3 is provided with a fitting convex portion 32 having a concave inner surface, and the side plate 4 is provided with a fitting convex portion 42 having a concave inner surface.

  The side plate 3 and the side plate 4 are substantially the same except that the width dimension and the number of the convex portions for fitting are different. Hereinafter, the side plate 3 will be described. The side plate 3 is formed by protruding side end reinforcing ribs 33 at the side end edges and lower end reinforcing ribs 34 at the lower end edges. As shown in FIGS. 1 and 4, the inner surface of the fitting convex portion 32 opens inward and upward, and the outer surface is inclined downward and outward. Therefore, the height of the fitting convex portion 32 is as follows. It is formed so as to gradually increase downward.

The fitting convex portion 32 coincides with the fitting concave portion 25 of the frame portion 2 in the vertical direction. The recess inside the upper end of the fitting convex portion 32 and the recess at the lower end of the fitting concave portion 25 of the frame portion 2 are formed in the same size. On the outer surface of the side plate 3, reinforcing ribs 35 and 36 are projected in a cross shape between the fitting convex portions 32 and 32.

    The side plate 4 is formed by projecting side end reinforcing ribs 43 at the side end edges and lower end reinforcing ribs 44 at the lower end edges. The fitting convex portion 42 provided on the side plate 4 has the same configuration as the fitting convex portion 32, and is formed so that the outer surface is inclined downward and outward and gradually becomes higher downward. The fact that the fitting convex portion 42 of the side plate 4 and the fitting concave portion 26 of the frame portion 2 coincide with each other in the vertical direction is the relationship between the fitting convex portion 32 of the side plate 3 and the fitting concave portion 25 of the frame portion 2. The same.

  In this manner, the fitting recess 25 of the frame 2 and the fitting protrusion 32 of the side plate 3 and the fitting recess 26 of the frame 2 and the fitting protrusion 42 of the side plate 4 are formed to coincide with each other in the vertical direction. By doing so, it becomes possible to nest the containers 1 for transportation when the side plates 3 and 4 are constricted inward. In this embodiment, since the lower end portions of the side plates 3 and 4 can be narrowed inward, the lower end portions of the side plates can be fitted into the frame portion 2 and nesting can be performed. When the fitting concave portions 25 and 26 and the fitting convex portions 32 and 42 are provided as in the above-described embodiment, the strength of the side plate increases and the volume when nesting can be further reduced.

  Next, an assembly structure of the bottom plate 5, the bottom plate support portion 31 of the side plate 3, and the bottom plate support portion 41 of the side plate 4 will be described. The bottom plate 5 is assembled to the bottom plate support portions 31 and 41 and slides between the upper surfaces of the bottom plate support portions 31 and 41 and the lower surface of the bottom plate 5. First, the bottom plate support portion 31 of the side plate 3 will be described. The bottom plate support portion 31 is formed by vertically forming a support plate 37, a support plate 38, and a pair of support plates 39. The bottom plate support portion 31 is provided so as to project at a right angle to the inside of the side plate 3 so as to be horizontal when the side plate 3 is expanded and made vertical.

  The support plate 37 has a front end narrowed inward at a side end so that the bottom plate support portion 31 forms a trapezoidal shape in a plane, and a support plate 38 adjacent to the front end portion of the support plate 37 and the support plate 37. The front end of each is integrally coupled. By forming the bottom plate support portion 31 in a trapezoidal shape, the side plate 3 can be swung inward without contacting. As shown in FIG. 5, the support plate 38 is formed by projecting a circular protrusion 38 a as a protrusion on the side surface of the tip portion. The circular protrusion 38a fits and slides in a long hole of a guide plate disposed in a lattice shape on the lower surface of the bottom plate 5 to be described later, and regulates the slide width (the amplitude of swinging).

  In the illustrated embodiment, the means for regulating the slide width is the circular protrusion 38a as the protrusion. However, the means for limiting the slide width is not limited to the circular protrusion as long as the protrusion fits into the long hole of the guide plate. Absent.

  Further, the support plate 39 is formed by a pair of support plates 39a and 39a provided in parallel at a predetermined interval, and protrusions 39b project from the opposing side surfaces of the tip. A pair of support plates 39a and 39a sandwich a guide plate disposed in a lattice pattern on the lower surface of the bottom plate 5 and are positioned by the protrusions 39b. In the illustrated embodiment, six support plates 38 and three sets of support plates 39 are provided.

  Similar to the bottom plate support portion 31, the bottom plate support portion 41 protruding from the side plate 4 is formed by a support plate 37, a support plate 38, and a pair of support plates 39 at both ends. Therefore, the same components as those of the bottom plate support 31 are denoted by the same reference numerals and the description thereof is omitted. The difference between the bottom plate support portion 41 and the bottom plate support portion 31 is that circular projections 38a of a support plate 38 provided at the center portion are provided to project on the opposing inner side surfaces, and are arranged in a grid pattern on the bottom surface of the bottom plate 5. The circular protrusion is fitted into the elongated hole of the provided guide plate so as to slide.

  Reinforcing ribs 51 are provided in a lattice shape on the lower surface of the bottom plate 5, and guide plates 52 and 53 combined with the supporting plates 38 and 39 of the bottom plate support portions 31 and 41 are integrally formed on the extension of the reinforcing rib 51. It is connected. The guide plate 52 is provided with a long hole 52a for fitting a circular protrusion 38a protruding from the side surface of the support plate 38 when the bottom plate 5 is mounted on the bottom plate support portions 31 and 41 and assembled. (See FIG. 5).

  The long hole 52a has a length sufficient to allow the circular protrusion 38a to slide when the lower ends of the side plates 3 and 4 are narrowed or widened. The slide width of the slide plate 38 (the amplitude of the side plates 3 and 4) is regulated by the length of the long hole 52a.

  The guide plate 53 is formed with thin portions 53 a and 53 b at the tip portion and the root portion, respectively, and is sandwiched between a pair of support plates 39 a and 39 a constituting the support plate 39. Accordingly, steps are formed between the central portion 53c and the thin portions 53a and 53b. When the guide plate 53 is sandwiched between the pair of support plates 39a and 39a, the projections 39b protruding from the opposing surfaces slide while sandwiching both surfaces of the guide plate 53.

  Further, the case where the lower end portion of the side plate is expanded from the constricted state will be described in detail. In the constricted state of the lower end portion of the side plate, the side plates 3 and 4 are inclined inward to The bottom plate 5 is lifted with the tip portion facing upward. When the side plates 3 and 4 are widened, the upward bottom plate support portions 31 and 41 pull down the bottom plate 5 while the circular protrusions 38a of the support plate 38 slide to the distal end side of the long hole 52a. At the same time, the bottom plate support portions 31 and 41 are horizontal, and the side plates 3 and 4 are vertical.

  As described above, when the lower ends of the side plates 3 and 4 are widened, the circular protrusion 38a of the support plate 38 slides toward the distal end side of the long hole 52a, and at the same time, the protrusion 39b of the support plates 39a and 39a gets over the central portion 53c. The guide plate 53 is located in the thin portion 53a at the tip. Since the protrusion 39b is locked by the step between the central portion 53c and the thin portion 53a and the side plates 3 and 4 are prevented from being constricted inward, the expanded state of the side plates 3 and 4 is maintained.

  When the lower ends of the side plates 3 and 4 are widened, the side plates 3 and 4 can be widened in a diagonal direction, or the opposing side plates can be widened with a single touch. When the side plates 3 and 4 are spread, the bottom plate support portions 31 and 41 are fitted into the openings of the frame portion 2 and the lower end reinforcing ribs 34 and 44 can be placed on the upper surface of the frame portion 2 for stacking ( (See FIG. 6).

  On the other hand, when the lower ends of the side plates 3 and 4 are pushed in, the tips of the bottom plate support portions 31 and 41 projecting at right angles to the lower ends of the side plates 3 and 4 are pushed upward, and at the same time, the bottom plate 5 Lift up. The circular protrusion 38a of the support plate 38 slides to the rear end side of the long hole 52a, and at the same time, the protrusion 39b of the support plates 39a and 39a gets over the central portion 53c of the guide plate 53 and is positioned at the thin portion 53b at the rear end portion. . Since the protrusion 39b is locked by the step between the central portion 53c and the thin portion 53b and the lower ends of the side plates 3 and 4 are prevented from sliding outward, the constricted state of the side plates 3 and 4 is maintained. .

  Thus, when the side plates 3 and 4 are narrowed, for example, they can be narrowed by one touch by pushing the corners diagonally or pushing one of the opposing side plates. By constricting the side plates 3 and 4, the side plate of the upper container fits into the side plate of the lower container, and the upper frame of the upper container is placed on the upper frame of the lower container and nested. (See FIG. 7).

  As is clear from the above description, when the guide plate 52 and the support plate 38 are combined, the slide width is restricted by the long hole 52a and the circular protrusion 38a. Further, when the guide plate 53 and the support plate 39 are combined, the sliding is restricted by the thin portions 53a and 53b and the projection 39b, and the folded state is maintained.

  In the above embodiment, the support plate 39 and the guide plate 53 of the bottom plate 5 sandwiched between the support bodies 39 can be omitted.

1: Transport container 2: Frame part 3, 4: Side plate
5: Bottom plate 6: Hinge portion 21: Upper flange
22: Lower flange 23: Vertical rib
24: Handle through-hole 25, 26: Fitting recess 31, 41: Bottom plate support 32, 42: Fitting recess 33, 43: Side end reinforcing ribs 34, 44: Lower end reinforcing rib
35, 36: Reinforcement ribs 37, 38, 39: Support plate 38a: Circular protrusion 51: Reinforcement rib
52, 53: Guide plate 52a: Long hole

Claims (3)

It consists of a flat rectangular frame part, four side plates that are joined to the lower end of the frame part by a hinge part, and a bottom plate that is assembled to the side plate and is smaller than the inner dimension of the frame part. The bottom plate is smaller in size than the upper end and is narrowed downward, and is formed by a flat trapezoidal base plate support projecting at a right angle to the inside of the lower end. A plurality of guide plates perpendicular to the inner surface of the side plate is provided on the lower surface of the bottom plate, A long hole is formed in one or more of the guide plates, and the protrusions of the support plate are fitted into the long holes of the guide plate so as to be slidable , and the lower end portion of the side plate may be expanded or narrowed. transport for the container to be characterized by Rukoto.   The bottom plate support portion is formed by projecting protrusions on opposite side surfaces of the pair of support plates, and is sandwiched between the pair of support plates on the bottom surface of the bottom plate, and the guide plate has a thin end portion and a root portion. The container for transportation according to claim 1, wherein the container is provided.   The frame part is provided with one or more recesses on each inner surface that open inward and upward, and the bottom surface is inclined upward and outward. The inner surface of the side plate opens inward and upward, and the outer surface is downward and outward. One or more fitting convex portions inclined toward the side plate are provided on each side plate, and the fitting concave portion of the frame portion and the fitting convex portion of the side plate coincide with each other in the vertical direction. The transport container according to 1 or 2.

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