JP3199697U - Variable capacity container - Google Patents

Abstract

To provide a simple and economical variable volume container that can change its length immediately according to the length of contents. An inner box 20 having the same shape as the outer box 10 is slidable in the longitudinal direction in the outer box 10 lacking one end plate in the longitudinal direction of the box body opened upward. Long holes 21a and 23a are provided in the side plate 21 and bottom plate 23 of the inner box 20 in the longitudinal direction, and side holes 11 and bottom plate 13 closer to the inner side in the longitudinal direction of the outer box 10 are provided. The inner box 20 is connected to the outer box 10 by inserting 21a and 23a. Further, a locking piece having a surface fastener attached to the inner end in the longitudinal direction of the bottom plate 13 of the outer box 10 is brought into contact with and locked to a locking surface fixed to the back surface of the bottom plate of the inner box 20. [Selection] Figure 2

Description

  The present invention relates to a container whose storage volume can be changed.

For example, containers (return boxes) used for transporting rod-shaped or tubular materials and parts are prepared in appropriate lengths when there are various lengths of objects to be transported. For this reason, the required amount of returnable boxes increases, and a lot of storage space is required.
Therefore, a variable volume container (for example, see Patent Document 1) that can change the length in a plurality of stages according to the length of the contents has been developed.

  In the variable volume container of Patent Document 1, an end box that lacks one end plate in the longitudinal direction is placed apart from the left and right, and an intermediate box that lacks both end plates in the longitudinal direction is placed in the middle. It is arranged so as to be slidable in the direction. And it connects with the hole formed in the longitudinal direction by the side plate of the edge part box and intermediate | middle part box which overlap, and it connects with the attachment or detachment which can be attached or detached.

JP-A-10-147336

  Since the variable volume container of Patent Document 1 has a symmetrical end box and an intermediate box firmly fixed, it can store a long and fairly stable container. Parts can be conveyed. However, when the volume is changed, it can be performed only in steps, and since there are many coupling devices to be detached, there is a problem that it takes time to change. In addition, the number of parts is large and expensive.

  SUMMARY OF THE INVENTION The present invention solves the above-described problems, and an object of the present invention is to provide a simple and economical variable volume container that can change the length immediately according to the length of a conveyed product.

  In order to achieve the above object, the variable volume container of the present invention is configured as follows. That is, an inner box having the same shape as the outer box can be slidably fitted in the outer box, and the volume can be changed, in the outer box lacking one end plate in the longitudinal direction of the box body opened upward. In the variable volume container, the outer box and the inner box are connected to each other by providing a long hole in the side plate and the bottom plate of the inner box in the longitudinal direction and the side plate and the bottom plate closer to the inner side in the longitudinal direction of the outer box. A hole is provided, and the elongated hole is inserted and fixed from the hole with a connecting rod, and the inner box is locked to the outer box by attaching a surface fastener to either the outer box or the inner box. In addition, an engaging piece that can be manually attached and detached is provided, and an engaging surface of a surface fastener that engages with the engaging piece is fixed to the inner box or the outer box.

The variable volume container may have any size and material used, and may be appropriately determined depending on the size and weight of the stored items.
The outer width of the inner box is made smaller than the outer box by a thickness so that it can be slidably inserted into the outer box. For the connection with the outer box, a long hole is provided in the side plate and the bottom plate of the inner box in the longitudinal direction, and a side hole and a bottom plate closer to the inner side in the longitudinal direction of the outer box are provided with a hole. Insert and fix. A plurality of long holes may be provided. In the case where the weight of the conveyed product is large, instead of the round shaft connecting rod as described in claim 2, a connecting convex member provided with a protruding shaft portion and a fitting portion on which the shaft portion is fitted It is preferable that the connecting portion is formed by a connecting concave member provided with a fitting, the fitting portion is fitted into the hole and the long hole, and the upper surface and the lower surface in sliding contact with the long hole are flat surfaces. The shape of the shaft portion is not particularly limited, such as a prism shape. Since the upper surface and the lower surface of the fitting portion are in sliding contact with the elongated hole, the flat portion is used.
Since it is comprised in this way, the part for connecting an inner box and an outer box becomes a linear surface compared with the connection rod of said round shaft, and the rigidity of a container becomes high.

  The structure that is fixed to the outer box so that the inner box does not slide depends on the hook-and-loop fastener that is detachably attached. Specifically, as described in claim 3, a locking piece having a surface fastener attached to the longitudinal direction inner end of the bottom plate of the outer box is provided so as to be foldable downward, and a predetermined position on the back surface of the bottom plate of the inner box Alternatively, an engaging surface (surface fastener) that is engaged with the locking piece continuously in the longitudinal direction is fixed. Alternatively, as described in claim 4, a locking material having a surface fastener attached to the longitudinal inner end of the bottom back surface of the inner box is provided so as to be bent upward, and a predetermined position or longitudinal direction of the bottom plate of the outer box is provided. An engaging surface that is continuously engaged with the engaging member may be fixed.

  The variable volume container of the present invention has an inner box having the same shape as the outer box lacking one end plate as described above, and is slidably fitted in the longitudinal direction, and the side and bottom plates of the inner box are longitudinally fitted. A long hole is formed in the side plate and the bottom plate closer to the inner side in the longitudinal direction of the outer box, and the long hole is fitted and fixed from the hole with a connecting rod. Since a locking piece with a surface fastener that can be manually attached and detached is provided on either side, and the engagement surface of the surface fastener that engages with the locking piece is fixed to the inner box or the outer box, the length of the stored item Accordingly, the length of the container in the longitudinal direction can be instantly and easily changed. In addition, the structure is simple and the number of parts is small, so that it can be manufactured at low cost.

It is a whole perspective view which shows embodiment of the variable volume container of this invention, and shows the state at the time of the minimum volume. It is a perspective view which shows a state when a variable displacement container is extended in the longitudinal direction. It is a perspective view which shows the state before an assembly of an outer box and an inner box equally. FIG. 3 is a perspective view showing an embodiment of the invention of claim 2, wherein (a) and (b) are enlarged detail views of part A; It is the perspective view seen from the back surface which shows embodiment of the invention of Claim 3 same as the above. FIG. 6 is an overall perspective view showing an embodiment of the invention of claim 4.

An embodiment of a variable volume container of the present invention will be described with reference to FIGS. FIG. 1 is an overall perspective view of the variable volume container 100 and shows a state when the volume is minimum (the dimension in the longitudinal direction is minimum). FIG. 2 shows a state when the inner box 20 is slid to increase the volume.
As shown in FIG. 3, the variable volume container 100 includes an outer box 10 lacking one end plate in the longitudinal direction of the box body whose upper side is opened, and an inner box 20 having the same shape as the outer box 10, It comprises means for connecting the inner box to the outer box and means for locking which are not shown.

  The outer box 10 is formed by bending a plastic corrugated board to form a side plate 11, an end plate 12, and a bottom plate 13, and is open upward and has no end plate in the longitudinal direction. Reinforcing cross-section inverted U-shaped guide members 15 and 16 are fitted into the upper end edges of the side plate 11 and the end plate 12, and the corner portions are connected by a corner connecting member 14. 11a and 13b are fistulas, and 17 is a handle.

  The inner box 20 has a width dimension slightly smaller than that of the outer box 10 so that the inner box 20 can be fitted into the outer box 10. And is open upward and has no end plate in the longitudinal direction. Further, a reinforcing guide member 25 having an inverted U-shaped cross section is fitted into the upper end edge of the end plate 22, and the corners are connected by a corner connecting member 24. The side plates 21 and the bottom plate 23 are respectively formed with long holes 21a and 23a in the longitudinal direction. Reference numeral 26 denotes a handle. The guide members 15, 16, 25, the corner connecting members 14, 24, and the handles 17, 26 are made of plastic.

  The variable capacity container 100 is assembled by inserting the side without the end plate of the inner box 20 into the side without the end plate of the outer box 10, and connecting the connecting rod 35 into the hole 11 a provided in the side plate 11 of the outer box 10. The long hole 21a is inserted and fixedly connected. Reference numeral 36 denotes a washer. Similarly, the connecting rod 35 is fixedly connected by fitting the elongated hole 23a of the inner box 20 into the hole 13b provided in the bottom plate 13 of the outer box 10. Thus, the outer box 10 and the inner box 20 are connected. However, in this state, the inner box 20 can be manually slid in the longitudinal direction.

Next, another means for connecting the inner box 20 to the outer box 10 (Claim 2) will be described with reference to FIG.
The difference from the above-mentioned connecting means is that the connecting rod 35 is replaced with the connecting tool 30.
The connecting tool 30 includes a connecting convex member 31 protruding from a prismatic shaft portion 31a, and a connecting concave member 32 to which a fitting portion 32a to which the shaft portion 31a is fitted is fixed. And the protruding item | line 31b for retaining is formed in the surface of the axial part 31a, and the groove | channel 32b is formed in the fitting part 32a facing this.
Although the connecting hole of the outer box 10 is not shown in the drawing, the size is such that the fitting part 32a is fitted, and the long hole 21a of the inner box 20 is in sliding contact with the upper and lower flat parts 32c of the fitting part 32a. It is formed in a possible size.

The connecting tool 30 is attached by fitting the connecting concave member 32 into the connecting hole of the outer box (corresponding to 11a in the above example), and pressing the connecting convex member 31 from the inner side of the inner box 20 for fitting. In this case, the flat portion 32c is attached so as to be positioned on the upper surface and the lower surface. Since the protrusion 31b of the shaft portion 31a of the connecting convex member 31 is fitted into the groove 32b of the fitting portion 32a, the connecting convex member 31 and the connecting concave member 32 are firmly connected.
FIG. 4A shows a state after attachment, and FIG. 4B shows a state before attachment.
Compared with the above case (round shaft), the portion for connecting the inner box and the outer box becomes a straight surface, and the rigidity of the container is increased.

Next, means for locking to the outer box 10 so that the inner box 20 does not move will be described.
FIG. 5 is a perspective view of the variable volume container 100 as viewed from the bottom rear surface side. A locking piece 41 that is bent outward is provided at the center of the inner end 13 a of the bottom plate 13 of the outer box 10. 41a is stuck. And the engaging surface 42 of a hook-and-loop fastener and the engaging surface 43 are affixed on the position facing this latching piece 41 of the back surface longitudinal direction of the inner box 20. As shown in FIG.

When the hook-and-loop fastener 41a of the locking piece 41 is engaged with the engagement surface 43, the inner box 20 is inserted to the back of the outer case 10 and the volume shown in FIG. When worn, the inner box 20 is in the state shown in FIG.
In this embodiment, the inner box 20 is locked to the outer box 10 at two points of the engaging surface 42 or 43, but a plurality of engaging surfaces are attached at short intervals or continuously. By sticking what is done, it can be locked at an arbitrary position.
In FIG. 5, reference numeral 23 b denotes a pedestal that is placed in a horizontal state when placed on the floor or stacked in a state where the inner box 20 is pulled out.

Next, another embodiment (claim 4) for locking the inner box 20 to the outer box 10 will be described with reference to FIG. In this embodiment, it is provided on the bottom surface instead of the bottom back surface as described above. That is, a locking piece 45 that can be bent upward is provided at the center of the inner end 23c of the inner box 20, and a hook-and-loop fastener is attached to the back surface (not shown). And the continuous engaging surface 46 which consists of a surface fastener is provided in the position which the bottom face of the outer case 10 opposes.
In this embodiment, the inner box 20 can be locked to the outer box 10 at an arbitrary point. Therefore, the length in the longitudinal direction can be matched with the length of the conveyed product.

  In addition, in the said embodiment, in order to make an idea easy to understand, it demonstrated by the case where it uses as a returnable box, However, it is not restricted to this, Use usage, such as a storage box, is not specifically limited. In addition, although the description has been made by specifying the material as plastic, the material is not limited to this and may be cardboard or a plastic plate.

DESCRIPTION OF SYMBOLS 100 Variable capacity type container 10 Outer box 11 Side plate 11a Bore hole 12 End plate 13 Bottom plate 13a Inner end 13b Bore hole 14 Corner connecting material 15 Guide member 16 Guide member 17 Handle 20 Inner box 21 Side plate 21a Long hole 22 End plate 23 Bottom plate 23a Long hole 23b Pedestal 23c Inner end 24 Corner connecting material 25 Guide member 26 Handle 30 Connecting tool 31 Connecting convex material 31a Shaft portion 31b Convex strip 32 Connecting concave member 32a Fit portion 32b Groove 32c Flat portion 35 Connecting rod 36 Washer 40 Locking Means 41 Locking piece 41a Surface fastener 42 Locking surface 43 Locking surface 45 Locking piece 46 Locking surface

Claims (4)

  An inner box having the same shape as the outer box is slidably fitted in the outer box in the outer box lacking one end plate in the longitudinal direction of the box body opened upward so that the volume can be changed. In the variable volume container, the outer box and the inner box are connected by providing long holes in the side plate and bottom plate of the inner box in the longitudinal direction and holes in the side plate and bottom plate closer to the inner side in the longitudinal direction of the outer box. Installed and fixed by inserting and inserting the long hole from the hole with a connecting rod, and locking the inner box to the outer box is a manual operation with a surface fastener attached to either the outer box or the inner box A variable displacement container characterized in that a locking piece that can be detached and attached is provided, and a locking surface of a surface fastener that is locked to the locking piece is fixed to the inner box or the outer box.   The means for connecting the inner box to the outer box is a connection consisting of a connecting convex member provided with a shaft portion and a connecting concave member provided with a fitting portion for fitting the shaft portion, instead of the connecting rod. The variable displacement container according to claim 1, wherein the fitting portion is fitted into the slot and the long hole, and the upper surface and the lower surface in sliding contact with the long hole are flat surfaces.   The means for locking the inner box to the outer box is provided at the inner end in the longitudinal direction of the bottom plate of the outer box so that the locking piece can be bent downward and at a predetermined position or longitudinal direction on the back surface of the bottom plate of the inner box. The variable displacement container according to claim 1 or 2, wherein an engaging surface that is continuously engaged with the engaging piece is fixed.   The means for locking the inner box to the outer box is provided at the inner end in the longitudinal direction of the bottom back surface of the inner box so that the locking member can be bent upward and at a predetermined position or longitudinal direction of the bottom plate of the outer box. The variable displacement container according to claim 1 or 2, wherein an engaging surface that is continuously engaged with the engaging member is fixed.

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