JPH0561026U - Cardboard pallets for cargo handling - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a corrugated board pallet for cargo handling that can be assembled and disassembled. [Structure] A combination of a corrugated board 1 and a square tube 2 is used. The substrate 1 has a bottom portion 3, a rising portion 4 attached to both ends thereof, and a folded-back portion 5 provided at a tip edge of the substrate 1. A fork insertion opening 6 is opened in the rising portion 4 and A locking edge 7 is attached to the end of the portion 5.
The rectangular tube 2 has an opening 8 on one surface and is arranged parallel to both edges and the center of the bottom portion 3 of the substrate 1. The rising portion 4 of the substrate 1 is erected, and the folded-back portion 5 is overlapped on the rectangular tube 2,
After inserting the locking edge 7 into the opening of the rectangular tube 2 to lock it,
Invert. The flat surface of the surface of the bottom portion 3 is a load mounting surface.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 This plan relates to corrugated board pallets used for cargo handling, especially forklift cargo handling.

[0002]

[Prior Art]

 For the above purpose, wooden pallets have been used for a long time, but due to the problem of protection of wood resources, the handling of such wood resources is strictly regulated, and cardboard pallets are used instead of wooden pallets. It has come to be.

As a conventional corrugated board pallet, it is widely known that a paper tube is interposed between two rectangular corrugated cardboard boards and a gap between the paper tubes is used as a fork insertion port. There is. However, not limited to this structure, if a flat plate is used for the pallet and an appropriate foot member is attached under the pallet to form the lift insertion port, the pallet can be easily manufactured.

[0004]

[Problems to be solved by the device]

 Conventional corrugated board pallets were integrally molded by attaching feet to the board like wooden pallets, and adhesive was used for the mounting. It can be said that it was only considered as a substitute.

Corrugated paper is lighter in weight than wood and has a great feature that it can be assembled at the time of use as it has been conventionally used for an assembly box. The delivery of pallets to the cargo handling site does not necessarily have to be finished product pallets. Rather, if it can be assembled during use and disassembled after use, it is not bulky during storage and transportation, which is extremely advantageous in handling.

On the other hand, according to the structure of the conventional corrugated board pallet, in particular, in the case of using a paper tube having a circular cross section which is generally used as the foot of the board, unsupported portions are generated at the four corners of the board, and the corners of the board are formed. When an impact is applied or a large weight is applied, so-called "who" may occur and cause the pallet to lose its shape.

An object of the present invention is to solve the above problems and to provide a corrugated board pallet for cargo handling which is easy to assemble on site and does not lose its shape.

[0008]

[Means for Solving the Problems]

 In order to achieve the above object, the cargo handling cardboard pallet according to the present invention is a cargo handling corrugated board pallet having a combination of corrugated board and square tubes, and the board is bent, and the bottom portion and the rising portion are processed. The bottom part is the surface that forms the pallet mounting table, the rising part is the part that forms the thickness of the pallet, the fork insertion opening is opened, and the fold part Has a locking edge that is connected to the square tube at the edge, and the square tube is a square tube, and has an opening communicating with the hollow part in one side, and at least the bottom of the substrate. Arranged parallel to both edges of the part, the folded part of the board is superposed on the square tube, and the board and the square tube are connected by the locking edge inserted into the square tube through the opening. It is a thing.

Further, the substrate is made of one plate-shaped body, and the rising portion provided with the folded portion is integrally provided on both edges of the bottom portion.

Further, the substrate is composed of one plate-shaped body, and further has a frame portion surrounding the periphery in addition to the rising portion, and the frame portion is connected in four lines and bent at each side edge to form a frame. It is formed into a mold, the bottom part is attached on the frame part of one of the pair of opposing frames, and it is folded horizontally inward, and the rising part is an extension of the frame part of the other opposing pair. It is formed on the top, and the frame part is raised on the outer edge of each side of the pallet.

Further, the frame portion forms an outer wall of the container to be assembled on the pallet.

In addition, the square tube has a notch portion opened on a lower surface and both side surfaces in a key portion, and the notch portion also serves as an insertion opening of a fork and an opening for inserting a locking edge of a board. Of.

[0013]

[Action]

 A square tube is combined with at least both edges of the bottom part of the board, the folded part attached to the rising part of the board is overlapped on the square tube, the edge is inserted into the opening of the square tube and bent in the hollow. The friction resistance prevents the escape from occurring, and the substrate and the square tube are integrally connected. At the time of use, the flat surface of the bottom of the substrate is used as the upper surface and the load is mounted on the upper surface.

[0014]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing a first embodiment of the present invention. The pallet of the present invention comprises a combination of a base plate 1 made of corrugated cardboard and a square tube 2 made of paper having high strength. In FIG. 1 (a), the substrate 1 is one in which a plate-like body is divided by folding curves to form a bottom portion 3, a rising portion 4 and a folded portion 5, and the folded portion 5 is a rising portion. The rising portion 4 is attached to the outer edge of the bottom portion 4 and is formed on both edges of the bottom portion 3. A rectangular fork insertion opening 6 is opened in the rising portion 4 at a position displaced to the left and right from the center, and an outer edge of the folded-back portion 5 is provided with locking edges 7 extending in three places at the center and both ends. There is. The rising portion 4 is set to have the same length as the height of the rectangular tube 2.

As shown in FIG. 1B, the rectangular tube 2 is a hollow tube having a quadrangular cross section, which has the same length as the bottom portion 3 and one side having the same length as the rising portion 4. An opening 8 for inserting the locking edge 7 is provided on the one surface at a position having the same length as the folded-back portion 5 from both ends. The opening 8 communicates with the hollow portion of the rectangular tube 2 and is a slit in the case of the embodiment.

At both edges and the central position of the bottom portion 3, the square tubes 2 are arranged in parallel with the openings 8 facing upward, and then the rising portions 4 are erected from the bottom portion 3 as shown in FIG. 1C. Further, the folded-back portion 5 is overlapped over each of the square tubes 2, and the locking edge 7 is inserted into the opening 8 of the square tube 2 and locked as shown in FIG. 1 (d). By inverting the upper and lower sides as described above, a pallet having the flat surface on the surface side of the bottom portion 3 as the loading platform mounting surface is obtained.

FIG. 2 shows the manner in which the locking edge 7 is inserted into the rectangular tube 2 to be joined. FIG. 2A shows a state in which the locking edge 7 is inserted into the opening 8. Next, as shown in FIG. 2 (d), the tip is bent and supported on the inner bottom surface of the rectangular tube 2, and the insertion portion of the locking edge 7 is pushed forward, and further inward as shown in FIG. 2 (c). When bent, the locking edge 7 is supported at a fixed position by the frictional resistance between the tip of the locking edge 7 and the inner bottom surface of the rectangular tube 2 and does not escape.

Alternatively, as shown in FIG. 2D, the locking edge 7 may be along the inner surface of the upper portion of the rectangular tube 2, and the tip may be tilted to be pressed against the inner bottom surface of the rectangular tube 2. More simply, As shown in FIG. 2 (e), the tip of the locking edge 7 bent inward may be simply brought into pressure contact with the inner bottom surface of the rectangular tube 2. FIG. 6F is an example in which the locking edge 7 is bent halfway and the tip is pressed against the inner bottom surface of the rectangular tube 2. Both are held by the bending of the locking edge 7 and the frictional force of the tip portion that is pressed against the inner bottom surface of the square tube 2, and the locking edge does not slip out of the inside of the square tube 2, and the board 1 and the square tube 2 are separated from each other. Combined together.

FIG. 3 is a diagram showing another embodiment of the present invention. The substrate 1 used in the present embodiment has a bottom portion 3, a rising portion 4, a folded portion 5, and a frame portion 9, and the frame portion 9 is a portion surrounding four circumferences of the pallet. As shown in FIG. 3 (a), the substrate 1 is formed into four frames by frame portions 9, and is bent at each side edge of each frame portion 9 to form a frame shape.

In this embodiment, the bottom portion 3 is provided on one of the opposing frame portions 9, and the rising portion 4 is formed on the extension of the other opposing frame portion 9, As in the previous embodiment, the fork insertion opening 6 is opened. As is apparent from FIG. 3B, the rising portion 4 and the frame portion 9 form the opposing walls of the pallet, and the distinction between the two is for convenience of description.

In the present embodiment, both ends of each frame portion 9 are bent at right angles to form a frame shape, and then the bottom portion 3 is bent at an inner angle at a right angle to abut with the bottom portion 3 on the opposite side. The square tubes 2 are placed in parallel on both edges and the central portion of the square tube 3 (FIG. 3 (c)), and the folded portions 5 are overlapped over the end edges of the square tubes 2 as in the previous embodiment (see FIG. d)), insert the locking edge 7 through the opening 8 of the rectangular tube 2 and lock it in the rectangular tube 2 as shown in FIG. 2 (FIG. 3 (e)), as shown in FIG. 3 (f). By reversing, the plate-shaped pallet having the flat surface of the bottom portion as the mounting surface and the periphery surrounded by the frame portion 9 is obtained.

The pallet of this embodiment is used by mounting the container 10 on the bottom portion surrounded by the outer wall portion as shown in FIG. 4, or alternatively, the rising height of the frame portion 9 is The container 10 with a lid can be integrally formed as shown in FIG. 5 (a) if the lid portion 11 is integrally attached to the upper edge of the frame 10 as shown in FIG. 5 (b). Of course, the opening of the container 10 surrounded by the portion 9 may be covered with another lid 12.

As described above, in the embodiment, the fork insertion opening is provided in the rising portion on the opposite side of the substrate, which is a so-called two-way insertion type pallet, but as shown in FIG. A four-way insertion pallet can be constructed by using the rectangular tube 14 provided with the notch 13 whose one surface is open. FIG. 6B is an application example to the palette of FIG. 1, and FIGS. 6C to 6E are application examples to the palette of FIG.

In this embodiment, the notch 13 serves both as a fork insertion opening and an opening for inserting the locking edge 7 provided in the folded portion of the board, and when applied to the pallet of FIG. As shown in FIG. 6 (c), similar to the folded-back portion of the board, a pad plate 16 having a locking edge 15 is separately prepared, and the pad plate 16 is spread over the three rectangular tubes 14. When the locking edge 15 is inserted into the rectangular tube 14 through the notch 13 and locked in the same manner as in FIG. 2, the bottom of the pallet is reinforced like a slats as shown in FIG. 6 (d). If this is reversed, it will become a four-way pallet with a frame.

[0025]

[Effect of the device]

 As described above, according to the present proposal, a pallet that can be assembled and disassembled is obtained by combining the board and the square tube, and the board and the corner can be stored at the loading site or stored after use. It can be easily handled by disassembling it into a tube, and at the time of use, only use the adhesive to bend the board and insert the locking edge into the rectangular tube. Instead, it can be assembled into a required pallet, and since each corner of the substrate is supported by a square tube, there is no loss of shape, and the characteristics of corrugated cardboard can be utilized to bring about the effect of efficient transport management.

[Brief description of drawings]

1 (a) to 1 (e) are diagrams showing a pallet assembling procedure showing an embodiment of the present invention.

FIG. 2A to FIG. 2F are views showing a procedure for connecting a substrate and a rectangular tube.

3 (a) to 3 (f) are views showing an assembling procedure of a pallet showing another embodiment of the present invention.

FIG. 4 is a diagram showing an example of use of the palette of FIG.

5 (a) and 5 (b) are views showing an example in which a container is integrally assembled to the pallet of FIG.

6A to 6E are diagrams showing an application example to a four-way insertion pallet.

[Explanation of symbols]

 1 Substrate 2, 14 Square Tube 3 Bottom Part 4 Standing Part 5 Folding Part 6 Fork Insertion Port 7 Locking Edge 8 Opening 9 Frame Part 10 Container 13 Notch

Claims (5)

[Scope of utility model registration request] 1. A cargo corrugated board pallet having a combination of a corrugated board and a square tube, wherein the board is bent and has a bottom portion, a rising portion and a folded portion, and the bottom portion is The surface that forms the pallet mounting table, the rising portion is the portion that forms the thickness of the pallet,
The fork insertion opening is opened, and the folded part has a locking edge that connects to the square tube at the edge. The square tube is a square tube, and one side leads to the hollow part inside It has an opening and is arranged parallel to at least both edges of the bottom portion of the substrate. The folded portion of the substrate is stacked on the square tube, and the substrate and the square tube are inserted into the square tube through the opening. A corrugated board pallet for cargo handling, characterized in that the pallets are joined by the locking edges. 2. The substrate according to claim 1, wherein the substrate is made of one plate-like body, and the rising portion provided with the folded portion is integrally provided on both edges of the bottom portion. Cardboard pallets for cargo handling. 3. The substrate is composed of one plate-shaped body, and further has a frame portion surrounding the periphery in addition to the rising portion, the frame portions are arranged in four rows, and are bent at each side edge to form a frame. The bottom part is formed on the frame part of one of the pair of facing frames, and is folded horizontally inward.The rising part is an extension of the frame part of the other pair. The cardboard pallet for cargo handling according to claim 1, wherein the pallet is formed on the pallet, and the frame portion is raised on the outer edge of each side of the pallet. 4. The cardboard pallet for cargo handling according to claim 1, wherein the frame portion forms an outer wall of a container assembled on the pallet. 5. The square tube has cutout portions opened on its lower surface and both side surfaces at important points, and the cutout portion doubles as a fork insertion opening and an opening for inserting a locking edge of a board. The corrugated board pallet for cargo handling according to claim 1.