JP5813342B2 - Box pallet - Google Patents

Description

  The present invention relates to a pallet member in which a fork insertion port is formed, one side wall member that is detachable from the pallet member, and the other side wall member that is detachable from the pallet member or is hinged to the other side wall member. Is related to the box pallet.

  The box pallet having the above-described configuration is disclosed in Patent Document 1 and Patent Document 2.

JP 2002-362555 A

JP 2006-298426 A

  In the box pallet, when stacking box pallets assembled in a box shape, it was formed in the concave part formed in the side wall member of the lower box pallet, and in the pallet member of the upper box pallet The box pallets stacked are prevented from moving in the horizontal direction by being fitted to the convex part, but in the conventional box pallet, the concave part formed on the side wall member and the pallet member are formed. Since the convex portion is formed at the central portion of the side wall member or the pallet member, the side wall member is easily deformed, and there is a problem that the stacked state of the box pallets becomes unstable.

  An object of the present invention is to solve the problems of the above-described conventional box pallet.

In order to achieve the above-mentioned object, the present invention
A pallet member in which a fork insertion opening is formed;
An opposing withdrawal side wall member that can be withdrawn from the pallet member;
In a box pallet that is configured to be stackable, with opposed forward side wall members that are first stacked on the pallet member when folded,
Wherein the back surface near the outer corners of the pallet member, sandwiching the outer corners, stage of a substantially inverted trapezoidal shape having an inclined surface and the inclined surface that faces a vertical plane located outside corner side and a horizontal bottom A convex part for stacking is formed,
The withdrawal side wall member upper surface end portions near the and in the vicinity of both end portions of the destination Killed upper end surface of the side wall member, the convexity the stacking formed in the pallet member is fitted, the end portion the recess for stacking having a vertical surface on the opposite side are formed respectively,
When box pallets assembled in a box shape are stacked,
Upper surface and a vertical surface of the step for stacking recess formed on the upper end surface of the target defeat wall member of the withdrawal side wall member of box pallet located below is formed on the pallet member of box pallets located above Close to the vertical surface of the stacking convex part ,
When the box pallet located above moves in the horizontal direction,
Before the pallet member of the box pallet located above contacts the inner wall surface of the pulling side wall member of the box pallet located below or the inner wall surface of the tipping side wall member,
The vertical surface of the stacking concave portion of the lower box pallet is configured to contact the vertical surface of the stacking convex portion formed on the pallet member of the upper box pallet. is there.

  Two ridges are formed on the outer corners of the pallet member, and the ridges are fitted near both ends of the upper end surface of one side wall member and the other side wall member. Since the stacked recesses to be combined are formed, when the box pallets assembled in a box shape are stacked, deformation and damage of one side wall member and the other side wall member can be prevented. In a stable state, box pallets assembled in a box shape can be stacked.

FIG. 1 is a perspective view of a state in which a box pallet according to the present invention is assembled into a box shape. FIG. 2 is a perspective view of the box pallet of the present invention in a folded state. FIG. 3 is a perspective view of a state in which one of the pull-out side wall members is pulled out in a state where the box pallet of the present invention is assembled in a box shape. FIG. 4 is a perspective view of a pallet member constituting the box pallet of the present invention. FIG. 5 is a partially enlarged perspective view of a pallet member constituting the box pallet of the present invention. FIG. 6 is also a partially enlarged perspective view of a pallet member constituting the box pallet of the present invention. FIG. 7 is also a partially enlarged perspective view of a pallet member constituting the box pallet of the present invention. FIG. 8 is a bottom perspective view of the pallet member constituting the box pallet of the present invention. FIG. 9 is a perspective view of the lower half of the pallet member constituting the box pallet of the present invention. FIG. 10 is a perspective view of the upper half of the pallet member constituting the box pallet of the present invention. FIG. 11 is a perspective view of the drawn side wall member constituting the box pallet of the present invention. FIG. 12 is also a perspective view of a drawn side wall member constituting the box pallet of the present invention. FIG. 13 is a partially enlarged perspective view of the drawn side wall member constituting the box pallet of the present invention. FIG. 14 is also a partially enlarged perspective view of the drawn side wall member constituting the box pallet of the present invention. FIG. 15 is a perspective view of the inside half of the drawing side wall member of the drawing side wall member constituting the box pallet of the present invention. FIG. 16 is also a perspective view of an inner half of the drawn side wall member constituting the drawn side wall member constituting the box pallet of the present invention. FIG. 17 is a perspective view of the outer side half of the drawn side wall member of the drawn side wall member constituting the box pallet of the present invention. FIG. 18 is a perspective view of the outer half of the extracted side wall member of the extracted side wall member that constitutes the box pallet of the present invention. FIG. 19 is a partially enlarged perspective view of the drawn side wall member constituting the box pallet of the present invention. FIG. 20 is a perspective view of the forward side wall member constituting the box pallet of the present invention. FIG. 21 is also a perspective view of a forward side wall member constituting the box pallet of the present invention. FIG. 22 is a partially enlarged perspective view of the fore-facing side wall member constituting the box pallet of the present invention. FIG. 23 is a perspective view of a lower corner portion of the inner half of the front side wall member of the front side wall member and a lower corner portion of the outer half of the front side wall member constituting the box pallet of the present invention. FIG. 24 is a partially enlarged perspective view of a pallet member and a drawn side wall member constituting the box pallet of the present invention. FIG. 25 is a perspective view of the box pallet of the present invention. FIG. 26 is a partially enlarged perspective view of a pallet member and a drawn side wall member constituting the box pallet of the present invention. FIG. 27 is a partially enlarged perspective view including a partial vertical section of the box pallet of the present invention. FIG. 28 is also a partially enlarged perspective view including a partial vertical section of the box pallet of the present invention. FIG. 29 is a partially enlarged perspective view including a partial vertical section of the box pallet of the present invention. FIG. 30 is a perspective view showing a state where one of the drawing side wall members of the box pallet of the present invention is removed. FIG. 31 is a partial perspective view including a partial vertical section of the box pallet of the present invention. FIG. 32 is a partial perspective view including a partial vertical cross section of the upper corner portion of the front side wall member inner half of the front side wall member constituting the box pallet of the present invention. FIG. 33 is also a partial perspective view including a partial vertical cross section of the upper corner portion of the front side wall member inner half of the front side wall member constituting the box pallet of the present invention. FIG. 34 is a partial perspective view including a partial horizontal section of the upper corner portion of the forward side wall member outer half of the forward side wall member constituting the box pallet of the present invention. FIG. 35 is also a partial perspective view including a partial vertical cross section of the upper corner portion of the front side wall member outer half of the front side wall member constituting the box pallet of the present invention.

  Examples of the present invention will be described below. However, the present invention is not limited to the examples of the present invention as long as the gist of the present invention is not exceeded.

  In FIG. 1, B <b> 1 is a box pallet, and the box pallet B <b> 1 includes a pallet member 1, one opposing side wall member 2, and the other opposing side wall member 3.

  As shown in FIG. 1, in order to fold the box pallet B1 as shown in FIG. 2 from the state in which the box pallet B1 is assembled in a box shape, first, as shown in FIG. As shown, the opposite side wall member 2 is pulled upward, the opposite side wall member 3 is then brought down to the pallet member 1 side, overlapped with the pallet member 1, and then pulled out relative to each other. The box pallet B1 assembled in a box shape is folded as shown in FIG. 2 by stacking one side wall member 2 on the other side wall member 3 opposed to the pallet member 1. It is configured to be able to. Alternatively, the other side wall member 3 facing the other side can be tilted first, and then the one side wall member 2 facing the other side can be pulled out, and then superimposed on the other side wall member 3 facing the other.

  The opposite side wall member 2 drawn out from the box pallet B1 assembled in a box shape is hereinafter referred to as a drawn side wall member, and the other side wall member opposed to the pallet member 1 first is overlapped. 3 is hereinafter referred to as a forward side wall member.

  Next, the pallet member 1 will be described with reference to FIGS.

  The pallet member 1 includes a load placement portion 1a having a square shape on which a load is placed, a bank portion 1b formed on one side of the pallet member 1 and a pallet member 1 facing each other. And a bank portion 1c formed on one side. Further, the bank portion 1b formed on one opposite side portion is formed higher than the bank portion 1c formed on the other opposite side portion. Hereinafter, the bank portion 1b formed on one opposite side portion is referred to as a high bank portion, and the bank portion 1c formed on the other opposite side portion, which is lower than the high bank portion 1b, Hereinafter, it is referred to as a low bank portion.

  At the center of the high bank portion 1b, an inner center fitting recess 1d is formed, the inner surface of the high bank portion 1b (the surface located on the luggage placement portion 1a side) 1b1 side and the upper side being opened, Moreover, the inner edge part fitting recessed part 1e with which the inner surface 1b1 side and upper side of the high part bank part 1b were open | released is formed in the both ends of the high bank part 1b similarly to the inner center fitting recessed part 1d. . Further, between the inner center fitting recess 1d and the inner end fitting recess 1e formed in the high bank portion 1b, the inner surface 1b1 side and the upper side of the high bank portion 1b are opened, and the inner surface An inner fitting concave portion 1f with a protruding portion is formed along 1b1 so that the opposing protruding portion 1f1 extends.

  Further, there is a high bank between the inner end fitting recess 1e and the inner fitting recess 1f with the overhang, and between the inner fitting recess 1f with the overhang and the inner center fitting recess 1d. Outer fitting recess for preventing the inner side of the box pallet B1 assembled in the box shape of the stand-up state of the drawn side wall member 2 that is open on the surface facing the inner surface 1b1 and the upper side of the portion 1b 1 g is formed. The outer fitting concave portion 1g is composed of a bottom portion 1g1, an opposing inclined portion 1g2 which is inclined so as to be separated from each other, and a back wall 1g3, and the depth of the outer fitting concave portion 1g (high bank portion 1b). The depth from the upper surface 1b2 is formed shallower than the depths of the inner center fitting recess 1d, the inner end fitting recess 1e and the overhanging inner fitting recess 1f described above. In the example, the depths of the inner center fitting recess 1d, the inner end fitting recess 1e, and the inner fitting recess 1f with the overhang are set to the same depth.

  On the inner surface 1b1 of the high bank portion 1b facing the outer fitting recess portion 1g, there is an opposing inner fitting recess portion 1h facing the outer fitting recess portion 1g, which is open on the inner surface 1b1 side and the upper side of the high bank portion 1b. Is formed. Further, at both ends of the high bank portion 1b, a low bank portion side bank portion 1i extending in the direction of the low bank portion 1c and having an upper surface flush with the upper surface 1b2 of the high bank portion 1b is formed. Furthermore, both the side surfaces perpendicular to the inner surface 1b1 of the high bank portion 1b and the low bank portion 1c side are open at the lower end corners of the low bank portion 1i and the low bank portion 1c. The fitted recess 1i1 is formed.

  In this embodiment, one inner center fitting recess 1d, two inner end fitting recesses 1e, two inner fitting recesses 1f with overhangs, and four outer fitting recesses 1g and 4 are provided. Although the example in which the opposing internal fitting recessed part 1h is formed is shown, it is not limited to these numbers by the magnitude | size etc. of box pallet B1.

  At the center of the lower bank portion 1c, an inner center fitting recess 1j is formed that is open on the inner surface (surface located on the luggage placement portion 1a side) 1c1 side and the upper side of the lower bank portion 1c. Further, between the inner center fitting recess 1j and both ends of the lower bank portion 1c, there is an inner fitting recess 1k with a protruding portion in which an opposing protruding portion 1k1 extends along the inner surface 1c1. Appropriate number is formed. In the present embodiment, an example is shown in which two inner fitting recesses 1k with overhangs are formed between the inner center fitting recess 1j and both ends of the lower bank portion 1c. The number is not limited by the size of the box pallet B1.

  The pallet member 1 is formed with a side girder 1m formed along the lower bank portion 1c and a middle girder 1n formed between the side girders 1m and parallel to the side girder 1m. Further, both end portions of the side beam 1m and the both end portions of the middle beam 1n are connected by an end connecting bar 1p, and the central portion of the side beam 1m and the central portion of the middle beam 1n are the center. It is connected by a partial connecting bar 1q. With such a configuration, the pallet member 1 is provided with a fork insertion port 1r along the lower bank portion 1c. Furthermore, both end portions of the side girder 1m are recessed upward, and similarly, both end portions of the middle girder 1n are recessed upward so that the pallet member 1 has a side girder 1m and a middle girder 1n. A fork insertion slot 1s perpendicular to the longitudinal direction of the fork is formed.

  On the back surface near the outer corner 1m1 of the side girder 1m, two stacking projections 1t are formed with the outer corner 1m1 sandwiched by cutting out the periphery of the rear corner of the side girder 1m. The stacking convex portion 1t is opposed to the inclined surface 1t1 located on the outer corner 1m1 side, the inclined surface 1t1, and the vertical surface 1t2 that is substantially perpendicular to the back surface and the horizontal bottom surface 1t3. A substantially inverted trapezoidal shape is formed from the front surface 1t4.

  As is well known, the fork insertion port formed in the pallet member 1 includes corner girders formed at the back corners of the pallet member 1, intermediate girders formed in the middle between the corner girders, and the back surface of the pallet member 1. It can also be formed between the central girder formed at the central portion of the.

  In the present embodiment, the pallet member 1 is welded separately to the lower half 1A shown in FIG. 9 and the upper half 1B shown in FIG. It is formed by.

  As shown in FIG. 9, the lower side girder half 1m ′ constituting the lower half 1A is formed along the longitudinal direction of the peripheral wall girder 1m1 ′ and the lower side girder half 1m ′. A plurality of ribs 1m2 ′ and a plurality of ribs 1m3 ′ perpendicular to the length direction of the lower side girder half 1m ′ are formed. Further, the lower middle girder half 1n ′ constituting the lower half 1A also includes a peripheral wall girder 1n1 ′, a plurality of ribs 1n2 ′ along the longitudinal direction of the lower middle girder half 1n ′, and a lower middle girder half 1n. And a plurality of ribs 1n3 'perpendicular to the length direction of'.

  As shown in FIG. 10, similarly to the lower half 1A, the upper half girder 1m ″ constituting the upper half 1B is divided into the peripheral wall girder 1m1 ″ and the upper side girder. A plurality of ribs 1m3 ″ formed along the longitudinal direction of the beam half 1m ″ and a plurality of ribs 1m3 ″ perpendicular to the length direction of the upper side beam half 1m ″ are formed. The upper middle girder half 1n ″ constituting the upper half 1B also includes a peripheral wall girder 1n1 ″, a plurality of ribs 1n2 ″ along the longitudinal direction of the upper middle girder half 1n ″, and an upper middle girder half 1n. And a plurality of ribs 1n3 perpendicular to the length direction of "".

  Further, as shown in FIG. 10, the upper middle girder half 1n ″ of the upper half 1B is formed in the upper middle girder half 1n ″ along the longitudinal direction of the upper middle girder half 1n ″. The ribs 1n2 "and the ribs 1n3" perpendicular to the length direction of the upper middle girder half 1n "are arranged along the length direction of the upper middle girder half 1n" Reinforcing member insertion recess 1n4 into which a plate-like or rod-like reinforcing member F is inserted along the length direction of the upper middle girder half 1n ″ by reducing the height from the back surface of the half 1B. "" Is formed. In this embodiment, an example in which two reinforcing member insertion recesses 1n4 "are formed is shown.

  After the rod-shaped reinforcing member F is disposed in the reinforcing member insertion recess 1n4 ″ formed in the upper middle girder half 1n ″ of the upper half 1B, the upper half 1B and the lower half 1A are formed respectively. The pallet member 1 is formed by welding the tips of the ribs. Thus, since the pallet member 1 is configured by fusing the upper half 1B having the rib structure and the lower half 1A having the rib structure, the weight of the pallet member 1 is greatly increased. The reinforcing member F can be disposed on the pallet member 1 without any problem.

  As described above, the reinforcing member F is disposed in the pallet member 1 when the upper half 1B having the rib structure and the lower half 1A having the rib structure are fused. Therefore, the mounting work of the reinforcing member F can be omitted as compared with the case where the reinforcing member is attached to the outside of the pallet member by a fixing means such as a screw or a bolt and a nut, as in a conventional box pallet. Corrosion of the reinforcing member F can be prevented. The reinforcing member insertion recess 1n4 ″ can be formed not in the upper half 1B but in the lower half 1A, and is formed across the upper half 1B and the lower half 1A. You can also.

  In addition, since the reinforcing member F is not attached to the outside of the pallet member 1 of the box pallet B1, the workability of the cleaning operation of the box pallet B1 is improved, and dust or dust does not accumulate in the reinforcing member F. Therefore, the sanitary aspect of the box pallet B1 is improved.

  Next, the drawing side wall member 2 will be described with reference to FIGS.

  The pull-out side wall member 2 includes a horizontally long main body 2a and an inner edge of the main body 2a (when the box pallet B1 is assembled into a box shape from the inside edge of the box pallet B1). And an engaging portion 2b extending perpendicularly to 2a1. The engaging portion 2b has a belt-like vertical end wall 2b1 perpendicular to the inner surface 2a1 of the main body 2a and a belt-like back wall 2b2 substantially parallel to the inner surface 2a1 of the main body 2a.

  An upper end block 2c is formed at the upper end corners of the vertical end wall 2b1 and the back wall 2b2, and a lower end block 2d is formed at the lower end corners of the vertical end wall 2b1 and the back wall 2b2. Has been. Further, a lock block 2e having a lock hole 2e1 is formed at the corners of the vertical end wall 2b1 and the back wall 2b2 located immediately below the upper end block 2c. The lock hole 2e1 is formed of the vertical end wall 2b1. Is formed from the vertical end surface 2e2 of the locking block 2e toward the back wall 2b2. Further, an intermediate block 2f is formed at a predetermined interval at a corner between the vertical end wall 2b1 and the back wall 2b2 located between the locking block 2e and the lower end block 2d. In the present embodiment, three intermediate blocks 2f are formed between the locking block 2e and the lower end block 2d.

  On the lower surface of the upper end block 2c described above, a fitting convex portion 2g is suspended at a predetermined distance from the locking block 2e. The upper end block 2c, the fitting convex portion 2g, the vertical end wall 2b1, and the back wall 2b2 forms a fitting recess 2h in which the lower side and the inner surface 2a1 side of the main body 2a are opened. Moreover, the fitting convex part 2g similar to the fitting convex part 2g mentioned above is suspended also on the lower surface of the lock block 2e and the lower surface of the intermediate block 2f, and such fitting convex part 2g is suspended. Thus, a similar fitting recess 2h is also formed in the locking block 2e and the intermediate block 2f.

  Further, the upper surface of the locking block 2e facing the lower surface of the upper end block 2c, the upper surface of the intermediate block 2f facing the lower surface of the locking block 2e, the lower surface of the intermediate block 2f, and the intermediate block 2f positioned immediately below the intermediate block 2f And an upper surface of the lower end block 2d located immediately below the upper surface of the intermediate block 2f are formed with inclined surfaces 2i extending downward from the inner wall 2b2 of the engaging portion 2b.

  Furthermore, the center fitting of the inner side center fitting recessed part 1d formed in the center part of the high part bank part 1b of the pallet member 1 is carried out in the center part of the lower end surface 2j1 of the main-body part 2a of the extraction side wall member 2. Convex portions 2k are suspended, and at both ends of the lower end surface 2j1 of the main body portion 2a of the pull-out side wall member 2, there are inner end fitting concave portions 1e formed on the high bank portion 1b of the pallet member 1. An end fitting convex portion 2m to be fitted is suspended.

  Furthermore, the pallet member 1 is attached to the lower end surface 2j1 positioned between the center fitting convex portion 2k and the end fitting convex portion 2m that are suspended from the lower end surface 2j1 of the main body portion 2a of the extraction side wall member 2. A fitting convex portion 2n with a short shaft that is fitted into the formed inner fitting concave portion 1f with an overhanging portion is suspended, and the lower end surface 2j1 of the convex body portion 2n1 of the fitting convex portion 2n with a short shaft is suspended. On the opposite side surface perpendicular to the longitudinal direction, a short axis 2n2 perpendicular to the side surface is projected.

  Further, the pull-out side wall member 2 located between the end fitting convex portion 2m and the short shaft fitting convex portion 2n and between the short shaft fitting convex portion 2n and the central fitting convex portion 2k. The lower end surface 2j1 of the main body 2a is formed with an outer fitting convex portion 2p that is fitted into the outer fitting concave portion 1g formed in the high bank portion 1b that constitutes the pallet member 1 described above.

  Further, near the both end portions of the upper end surface 2j2 of the main body 2a of the extraction side wall member 2, a stacking recess 2q is formed in which the stacking projection 1t formed on the pallet member 1 is fitted. The stacking recess 2q includes an inclined surface 2q1 facing the inclined surface 1t1 of the stacking projection 1t, a vertical surface 2q2 facing the vertical surface 1t2 of the stacking projection 1t, and a stacking projection. It is formed from a horizontal bottom surface 1t3 of 1t and a horizontal bottom surface 2q3 opposite to it.

  Furthermore, the main body portion 2a located on the upper end surface 2j2 side of the main body portion 2a of the extraction side wall member 2 is formed with an upper hand-held recess 2r at a predetermined interval. A lower hand-held recess 2s is formed at the center of the main body 2a on the lower end surface 2j1 side. The lower horizontal side 2s1 forming the lower hand-held recess 2s has a finger along the outer surface 2a2 of the main body 2a (the surface located outside the box pallet B1 when the box pallet B1 is assembled into a box shape). A hook plate-like piece 2s2 is erected. Further, 2t is a label attaching concave portion formed on the outer surface 2a2 of the main body 2a to which a label or the like storing the contents of the package accommodated in the box pallet B1 is attached. Furthermore, a notch 2v is formed at a corner formed by the lower end surface 2b3 of the engaging portion 2b and the vertical both ends 2u of the main body 2a.

  In the present embodiment, as shown in FIGS. 15 to 18, the drawn side wall member 2 is vertically 2 between the inner surface 2 a 1 of the main body portion 2 a and the approximate middle between the outer surface 2 a 2 of the main body portion 2 a. The separated side wall member inner half 2A and the drawn side wall member outer half 2B are separately injection-molded, respectively, and the drawn side wall member inner half 2A and the drawn side wall member outer half 2B are separately injection-molded. It is formed by welding.

  The inner surface of the outer side wall 2B of the drawn side wall member 2B (the surface located inside the drawn side wall member 2 when the drawn side wall member inner side half 2A and the drawn side wall member outer side half 2B are welded) The cylindrical positioning cylindrical portion 2w1 is formed, and the inner surface of the extraction side wall member inner half 2A (when the extraction side wall member inner half 2A and the extraction side wall member outer half 2B are welded, A positioning convex portion 2x1 that is fitted to the cylindrical positioning cylindrical portion 2w1 protrudes from the center portion of the surface 2A 'that is located inside the drawing side wall member 2.

  Further, in the vertical direction of the positioning cylindrical portion 2w1 formed at the center portion of the inner surface 2B ′ of the extracted side wall member outer half 2B, a vertically long elliptical cylindrical portion 2w2 is formed, and the extracted side wall member inner half 2A A horizontally long elliptical cylindrical portion 2w3 is formed in the left-right direction of the positioning cylindrical portion 2w1 formed at the center of the inner surface 2A ′.

  Corresponding to the vertically long oval cylindrical portion 2w2 formed in the vertical direction of the positioning cylindrical portion 2w1 formed at the center portion of the inner surface 2B 'of the extracted side wall member outer half 2B, the inner surface of the extracted side wall member inner half 2A 2A ′ is provided with a protruding portion 2x2 that is inserted into the vertically long oval cylindrical portion 2w2 when the drawn side wall member inner half 2A and the drawn side wall member outer half 2B are joined. Corresponding to the horizontally long elliptical cylindrical part 2w3 formed in the left-right direction of the positioning cylindrical part 2w1 formed in the center part of the inner surface 2B ′ of the extracted side wall member outer half 2B, The inner surface 2A ′ is provided with a protruding portion 2x3 that is inserted into the horizontally long elliptical cylindrical portion 2w3 when the extracted side wall member inner half 2A and the extracted side wall member outer half 2B are joined.

  The positioning cylindrical portion 2w1 formed on the inner surface 2B 'of the outer side wall 2B' of the drawn side wall member is fitted with the positioning convex portion 2x1 protruding from the inner surface 2A 'of the inner side half 2A of the drawn side wall member, and the drawn side wall member A convex portion 2x2 protruding from the inner surface 2A 'of the extraction side wall member inner half 2A is inserted into the vertically long elliptical cylindrical portion 2w2 formed on the inner surface 2B' of the outer half 2B, and further, the outer side of the extraction side wall member After inserting the convex portion 2x3 protruding from the inner surface 2A 'of the extraction side wall member inner half 2A into the horizontally long elliptical cylindrical portion 2w3 formed on the inner surface 2B' of the half body 2B, the inner side half of the extraction side wall member The drawn side wall member 2 is formed by welding the body 2A and the drawn side wall member outer half 2B. With this configuration, when the drawn side wall member inner half 2A and the drawn side wall member outer half 2B are joined, the displacement between the drawn side wall member inner half 2A and the drawn side wall member outer half 2B is prevented. Can be prevented.

  If necessary, the positioning cylindrical portion 2w1 formed at the center portion of the inner surface 2B ′ of the extracted side wall member outer half 2B can be omitted. With the omission of the positioning cylindrical portion 2w1, the extracted side wall member inner half The positioning projection 2x1 protruding from the inner surface 2A 'of 2A is omitted. The positioning of the extracted side wall member outer half 2B and the extracted side wall member inner half 2A is not limited to the above-described embodiment.

  A plate portion 2y1, a peripheral rib 2y2, a horizontal rib 2y3, and a vertical rib 2y4 are formed on the inner surface 2A 'of the drawn side wall member inner half 2A and the inner surface 2B' of the drawn side wall member outer half 2B. . Peripheral ribs 2y2, horizontal ribs 2y3, vertical ribs 2y4, peripheral ribs 2y2 formed on the inner surface 2B 'of the extracted side wall member inner half 2A', and horizontal ribs 2y2 The drawn side wall member 2 is manufactured by welding the tips of 2y3 and the vertical rib 2y4. In the present embodiment, the entire outer fitting convex portion 2p is formed on the side of the extracted side wall member outer half 2B without being divided.

  Further, a short-axis fitting convex half 2n 'of the drawn side wall member inner half 2A and a short side wall of the drawn side wall member outer half 2B, which form a fitting convex portion 2n with a short axis of the drawn side wall member 2, are formed. The fitting convex half 2n ′ includes a fitting convex half 2n ′ with a short axis of the inner side half 2A of the extraction side wall member and a fitting convex half 2n ′ with a short axis of the outer side half 2B of the extraction side wall member. Are joined so that excess molten resin generated during the welding operation does not protrude from the lower end surface 2j1 of the drawn side wall member 2. Yes. In addition, the same excess molten resin accommodation groove | channel 2y5 forms the center fitting convex part 2k, and the center fitting convex part 2k 'of extraction side wall member inner side half 2A and center fitting of extraction side wall member outer side half 2B An excessive molten resin accommodating groove 2y5 is formed so that the excessive molten resin generated during the welding operation does not protrude from the lower end surface 2j1 of the drawn side wall member 2 when the joining convex half 2k ′ is joined. It is comprised so that.

  Further, the lower end surface 2j1 ′ of the extracted side wall member inner half 2A and the lower end surface 2j1 ″ of the extracted side wall member outer half 2B are connected to the lower end surface 2j1 ′ of the extracted side wall member inner half 2A and the extracted side wall member outer half. When the drawn side wall member inner half 2A and the drawn side wall member outer half 2B are joined to the lower end surface 2j1 "of 2B, the excess molten resin is stored so as to maintain a predetermined distance without coming into contact with each other. Rib 2y6 is formed, and excess molten resin containing rib 2y6 formed on the lower end surface 2j1 'of the extracted side wall member inner half 2A and surplus molten resin formed on the lower end surface 2j1 "of the extracted side wall member outer half 2B An excess molten resin storage space 2y7 is formed between the storage rib 2y6.

  Still further, the end fitting convex portion 2m ′ of the extracted side wall member inner half 2A and the end fitting of the drawn side wall member outer half 2B, which form the end fitting convex portion 2m of the drawn side wall member 2, are formed. An excess molten resin accommodation space 2y8 similar to the above-described excess molten resin accommodation groove 2y5 is also formed between the end fitting projection half 2m ′ of the drawn side wall member outer half 2B that forms the projection 2m. Has been.

  Further, the lower end surface 2j1 ′ of the drawn side wall member inner half 2A and the drawn side wall member outer half are prevented so that excess molten resin does not flow beyond the inner surface 2a1 and the outer surface 2a2 of the main body 2a of the drawn drawn side wall member 2 that has been welded. A peripheral rib 2y9 is connected to the peripheral edge of the lower end surface 2j1 ″ of the body 2B so as to connect the above-described excess molten resin-accommodating rib 2y6.

  Although the above-described excess molten resin containing rib 2y6 and the peripheral rib 2y9 are formed, at least the peripheral rib 2y9 can be formed to effectively prevent the excess molten resin from flowing out. In addition, it is preferable to form both the excess molten resin-accommodating rib 2y6 and the peripheral rib 2y9.

  By forming the excess molten resin containing groove 2y5, the excessive molten resin collection space 2y7, 2y8, and the peripheral rib 2y9 as described above, the drawn side wall member inner half 2A and the drawn side wall member outer half 2B are welded. Of the burrs caused by the excess molten resin that is generated, it is possible to omit the removal of burrs on the lower end surface 2j1 of the drawn side wall member 2, which is difficult to remove. In addition, by forming the peripheral rib 2y9, when the drawing side wall member 2 and the front side wall member 3 are set up vertically with respect to the pallet member 1, the side wall member 2 and the front side wall member 3 are brought forward. The contact area between the high bank portion 1b and the low bank portion 1c of the pallet member 1 is increased. Therefore, even if a load is applied to the pulling side wall member 2 and the front side wall member 3 standing vertically, Damage to the drawn side wall member 2 and the front side wall member 3 can be prevented. .

  Next, the forward side wall member 3 will be described with reference to FIGS.

  The tip-down side wall member 3 has a horizontally long rectangular main body 3a and an inner edge of the main body 3a (when the box pallet B1 is assembled into a box shape from the vertical edges of the both ends of the main body 3a. An engaging portion 3b having a belt-like vertical end wall 3b1 extending perpendicularly to the inner surface 3a1 is formed along the inner surface 3a1.

  An upper end block 3c is formed at the upper end corner formed by the vertical end wall 3b1 of the engaging portion 3b and the opposing vertical end surface 3a2 of the main body portion 3a, and the vertical end wall 3b1 and the main body portion 3a A lower end block 3d is formed at the lower end corner formed by the opposing vertical end surface 3a2. Further, a lower block 3e is provided at a corner formed by the vertical end wall 3b1 located directly above the lower end block 3d and the opposed vertical end surface 3a2 of the main body 3a with a predetermined distance from the lower end block 3d. Is formed. When the box pallet B1 is assembled into a box shape, the lower block 3e is formed by the lower end surface 2b3 of the engaging portion 2b formed on the engaging portion 2b of the extraction side wall member 2 and the vertical ends 2u of the main body portion 2a. It is configured to be inserted into the formed notch 2v. By comprising in this way, when box pallet B1 assembled in the box shape is stacked, buckling of drawing side wall member 2 can be prevented.

  Near the corner between the upper end surface 3a3 and the vertical end surface 3a2 of the main body 3a, the outer surface of the main body 3a (the surface positioned outside the box pallet B1 when the box pallet B1 is assembled into a box shape) 3a4. Is formed with a substantially square-shaped locking member housing recess 3f. Further, a lock member insertion / removal hole 3f1 formed in the vertical end surface 3a2 communicates with the lock member housing recess 3f. Since the lock member housing recess 3f and the lock member insertion / removal hole 3f1 are well known, detailed description thereof will be omitted.

  As is publicly known, the lock member 4 is configured to be slidable in the horizontal direction in the lock member housing recess 3f. In the state where the box pallet B1 is assembled in a box shape, when the lock member 4 is located on the center side of the main body 3a of the lock member housing recess 3f, the tip of the lock member 4 is In a state where the lock of the pulled-out side wall member 2 and the front side wall member 3 is released so as not to protrude from the insertion / removal hole 3f1, and the box pallet B1 is assembled in a box shape, the lock member 4 The distal end portion protrudes from the lock member insertion / removal hole 3f1, and the distal end portion of the lock member 4 is inserted into the lock hole 2e1 formed in the lock block 2e of the extraction side wall member 2 so as to be brought forward with the extraction side wall member 2. 3 are in a locked state. Such a lock release mechanism and a lock state mechanism for the drawn side wall member 2 and the front side wall member 3 are well known, and detailed description thereof is omitted.

  In addition, a predetermined interval is provided at a corner formed by the vertical end wall 3b1 of the engaging portion 3b and the vertical end surface 3a2 of the main body portion 3a, which is located between the lock member insertion / removal hole 3f1 and the lower block 3e. The intermediate block 3g is formed. In this embodiment, an example in which four intermediate blocks 3g are formed between the lock member insertion / removal hole 3f1 and the lower block 3e is shown.

  On the upper surface of the upper end block 3c described above, a fitting convex portion 3h is erected. The upper end block 3c, the fitting convex portion 3h, the vertical end surface 3a2 of the main body portion 3a, and the vertical end wall 3b1 are used to move the upper portion A fitting recess 3i is formed in which the outer surface 3a4 side of the portion 3a is opened. Further, on the upper surface of the intermediate block 3g, a fitting convex portion 3h similar to the fitting convex portion 3h described above is erected, and similarly, by erecting such a fitting convex portion 3h, The intermediate block 3g, the fitting convex portion 3h, the vertical end surface 3a2 of the main body portion 3a, and the vertical end wall 3b1 form a fitting concave portion 3i in which the upper side and the outer surface 3a4 side of the main body portion 3a are opened.

  An inclined surface 3j extending downward from the fitting convex portion 3h toward the vertical end surface 3a2 of the main body portion 3a is formed on the lower surface of the upper end block 3c and the lower surface of the intermediate block 3g.

  At the center of the lower end surface 3a5 of the main body portion 3a of the front side wall member 3, a center fitting protrusion is fitted into an inner center fitting recess 1j formed at the center of the lower bank portion 1c of the pallet member 1. Part 3k is suspended. Further, the lower end surface 3a5 of the main body portion 3a of the forward side wall member 3 is fitted with a short shaft that is fitted into an inner fitting concave portion 1k with a protruding portion formed in the lower bank portion 1c of the pallet member 1. The convex portion 3m is suspended, and a short shaft 3m2 perpendicular to the side surface is projected from an opposite side surface perpendicular to the longitudinal direction of the convex portion main body portion 3m1 of the fitting convex portion 3m with a short shaft.

  The fitting convex part 3m with a short shaft suspended from the lower end surface 3a5 of the main body part 3a of the side wall member 3 is moved into an inner fitting concave part 1k with an overhang formed on the lower bank part 1c of the pallet member 1. The protruding side wall member 3 is configured to be fitted with a protruding portion formed on the lower bank portion 1c of the pallet member 1 in a state where the front side wall member 3 is vertically erected. When fitted into the inner fitting recess 1k, the short shaft 3m2 of the fitting projection 3m with the short shaft is located behind the opposing overhanging portion 1k1 of the inner fitting recess 1k with the overhanging portion, Even when a load is applied from the outer surface 3a4 side of the front side wall member 3 to the front side wall member 3 in a vertically standing state, the short shaft 3m2 of the short-side fitting convex portion 3m is fitted to the inner side with a protruding portion. The abutting side wall member 3 abuts against the opposite overhanging portion 1k1 of the mating recess 1k, and the box pallet B1 And it is configured so as not to move inward. Further, when the side wall member 3 is tilted in the direction of the pallet member 1 from the state in which the side wall member 3 is erected vertically, the convex body part 3m1 of the fitting convex part 3m with a short axis is The inner fitting recess 1k with the overhanging portion is configured to be inserted into the gap 1k2 positioned between the opposite overhanging portions 1k1. It is comprised so that it can be brought down so that it may overlap with 1a.

  Further, at the upper end corner formed by the upper end surface 3a3 of the main body 3a of the side wall member 3 and the vertical end surface 3a2 of the main body 3a, the stacking convex portion 1t formed on the pallet member 1 described above is provided. The step portion 3n for stacking is formed, and the step portion 3n for stacking is composed of a vertical surface 3n1 substantially perpendicular to the upper end surface 3a3 and a horizontal surface 3n2.

  Furthermore, an upper hand-held recess 3p having the same structure as the lower hand-held recess 2s described above is provided at the center or near the upper end of the main body 3a located near the upper end surface 3a3 of the main body 3a of the forward side wall member 3. Is formed. A finger hook plate-like piece 3p2 is erected along the outer surface 3a4 of the main body 3a on the lower horizontal side 3p1 that forms the upper hand-held recess 3p. Still further, 3q is a label attaching concave portion formed on the outer surface 3a4 of the main body 3a, to which a label or the like storing the contents of the package accommodated in the box pallet B1 is attached.

  In the present embodiment, the tip-down side wall member 3 is divided into two points between the inner surface 3a1 of the main body portion 3a and the substantially middle surface of the outer surface 3a4 of the main body portion 3a in the same manner as the above-described drawing side wall member 2. The fallen side wall member inner half 3A and the fallen side wall member outer half 3B are separately injection-molded, and each of the fallen side wall member inner half 3A and the fallen side wall member outer half 3B is injection-molded separately. It is formed by welding.

  The thickness of the front side wall member outer half 3B is thicker than the thickness of the front side wall member inner half 3A. At this time, the entire short shaft 3m2 constituting the fitting projection 3m with the short shaft formed on the lower end surface 3a5 of the main body portion 3a of the front side wall member 3 is not divided, and the front side wall member outer half is not divided. It is preferable to be configured to be formed on the body 3B. By comprising in this way, it is comprised so that the minor axis 3m2 with weak intensity | strength may not be damaged. In FIG. 23, 3m ′ is one half of the fitting projection 3m with a short shaft formed on the side of the forward half-wall member 3B on which the short shaft 3m2 is formed. "" Is the other half of the fitting projection 3m with a short shaft formed on the side of the forward half-wall member 3A on which the short shaft 3m2 is formed.

  As described above, the thickness of the front side wall member outer half 3B is formed to be thicker than the thickness of the front side wall member inner half 3A, and the thickness of the front side wall member outer half 3B is vertical. The entire lock member insertion / removal hole 3f1 formed in the end surface 3a2 is not divided. In other words, the lock member is not formed on the inner side half 3A of the front side wall member, and on the side of the outer side half member 3B. It is formed so as to be thick only. With this configuration, when the forward side wall member inner half 3A and the forward side wall member outer half 3B are welded, the molten resin flows into the lock member insertion / removal hole 3f1 and enters the lock member insertion / removal hole 3f1. No burrs are generated. Therefore, it is possible to prevent the horizontal movement of the lock member 4 in the lock member housing recess 3f from being hindered by the burr.

  In order to divide the drawn side wall member 2 described above into a drawn side wall member inner half 2A and a drawn side wall member outer half 2B, and to join and weld the drawn side wall member inner half 2A and the drawn side wall member outer half 2B. Furthermore, the positioning cylindrical portion 2w1 formed at the center of the inner surface 2B ′ of the outer side wall 2B ′ of the extraction side wall member, the positioning projection 2x1 formed at the center of the inner surface 2A ′ of the inner side half 2A of the extraction side wall member, etc. The same configuration is also formed in the forward side wall member inner half 3A and the forward side wall member outer half 3B.

  Further, the inner surface of the front side wall member inner half 3A (the surface located inside the front side wall member 3 when the front side wall member inner half 3A and the front side wall member outer half 3B are welded) 3A Are also formed with the positioning convex portions 2x1, convex portions 2x2, and 2x3 formed inside the above-described pull-out side wall member 2 described above, and the inner surface (the tip of the tip side wall member outer half 3B). When the tilted side wall member inner half 3A and the tilted side wall member outer half 3B are welded, the above-described pull-out side wall member 2 described above is also applied to the above-described side surface 3B ′. Are formed with a positioning cylindrical portion 2w1, a vertically long elliptical cylindrical portion 2w2, and a horizontally long elliptical cylindrical portion 2w3.

  Further, the lower end surface 2j1 ′ of the extracted side wall member 2 and the lower end surface 2j1 ″ of the extracted side wall member outer half 2B are also formed on the lower surfaces of the front side wall member inner half 3A and the front side wall member outer half 3B. By forming the excess molten resin storage groove 2y5 and the excess molten resin storage space 2y7, it is possible to omit the burr removal work of the part where it is difficult to remove the burr.

  Furthermore, the drawn side wall member inner half 2A and the drawn side wall member outer half 2B are formed in different colors, respectively, and both the forward side wall member inner half 3A and the forward side wall member outer half 3B are respectively Mold with different colors. By configuring in this way, during welding, the front and back of the drawn side wall member inner half 2A and the drawn side wall member outer half 2B, the front side wall member inner half 3A and the front side wall member outer half 3B It is possible to prevent mistakes between the front and back of the box pallet, and also to ensure that the surface located inside and outside the box pallet B1 is visually recognized when the box pallet B1 is assembled. Therefore, the workability of the assembly work of the box pallet B1 is improved.

  As described above, when the wall thickness of the extracted side wall member inner half 2A and the extracted side wall member outer half 2B is not the same, the periphery of the extracted side wall member inner half 2A and the extracted side wall member outer half 2B The rib spacing in the horizontal direction of the vertical ribs 2z connected to the rib 2y2 is configured to be narrower than that of the other vertical ribs 2y4. Similarly, the horizontal rib interval of the vertical ribs connected to the peripheral ribs of the front side wall member inner half 3A and the front side wall member outer half 3B is made narrower than other vertical ribs. It is configured as follows. By comprising in this way, welding of the peripheral part of drawing side wall member inner side half 2A and drawing side wall member outer side half 2B, and tipping side wall member inner side half 3A and tipping side wall member outer side half 3B, Can be reliably welded, peeled off the extracted side wall member inner half 2A and the extracted side wall member outer half 2B, and moved forward from the side wall member inner half 3A to the front side wall member outer half. Peeling from the body 3B can be prevented.

  Next, the assembly of the box pallet B1 by the pallet member 1, the extraction side wall member 2 and the front side wall member 3 constituting the box pallet B1 will be described with reference to FIG. 6, FIG. 21, and FIGS.

  First, the attachment of the front side wall member 3 to the pallet member 1 will be described mainly with reference to FIGS.

  The forward side wall member 3 to the lower bank portion 1c of the pallet member 1 is arranged so that the inner surface 3a1 of the main body portion 3a of the forward side wall member 3 is positioned on the load placing portion 1a side of the pallet member 1, The center fitting convex portion 3k suspended from the lower end surface 3a5 of the main body portion 3a of the front side wall member 3 is fitted to the inner center fitting concave portion 1j formed on the lower bank portion 1c of the pallet member 1, and The fitting convex part 3m with a short shaft suspended from the lower end surface 3a5 of the main body part 3a of the side wall member 3 is turned into the inner fitting concave part 1k with an overhang formed on the lower bank part 1c of the pallet member 1. By fitting, the tip-down side wall member 3 is attached to the lower bank portion 1 c of the pallet member 1.

  As described above, when the forward side wall member 3 is fitted into the inner fitting concave portion 1k with the overhang portion formed in the lower bank portion 1c of the pallet member 1, the fitting convex portion with the short shaft is provided. Since the short shaft 3m2 of 3 m is configured to be located behind the opposite overhanging portion 1k1 of the inner fitting concave portion 1k with the overhanging portion, therefore, when the forward side wall member 3 is erected, Even if a load is applied from the outer surface 3a4 side of the main body portion 3a of the front side wall member 3, the front side wall member 3 is configured not to move inward, and below the main body portion 3a of the front side wall member 3 Since the center fitting convex portion 3k suspended from the end surface 3a5 is fitted to the inner center fitting concave portion 1j formed in the lower bank portion 1c of the pallet member 1, the main body portion 3a of the side wall member 3 is moved forward. The fitting protrusion 3m with a short shaft suspended from the bottom is the lower bank portion of the pallet member 1. Even if a load is applied from the inner surface 3a1 side of the main body portion 3a of the front-end side wall member 3 coupled with being fitted to the inner fitting recess 1k with the overhang portion formed in c, the front-end side wall member 3 is It is configured not to move outward.

  From the state in which the side wall member 3 is erected, the front side wall member 3 is turned to the luggage placement portion 1a of the pallet member 1 to turn the front side wall member 3 into the luggage placement portion of the pallet member 1. In this case, the short shaft 3m2 of the fitting projection 3m with a short shaft formed on the side wall member 3 is lowered so that the pallet member 1 is low. Since it is configured to be positioned behind the overhanging portion 1k1 of the inner fitting concave portion 1k with the overhang formed on the partial bank portion 1c, the fitting convex portion 3m with a short shaft and the inner fitting with the overhanging portion are provided. The joint recess 1k is configured to have a function of connecting the hinge between the pallet member 1 and the front side wall member 3, and therefore, as described above, the front side wall member 3 is placed on the pallet member 1 on the load. By rotating the part 1a, the side wall member 3 is moved forward. You can beat to overlap luggage mounting portion 1a of the pallet member 1.

  In order to stack the forehead side wall member 3 on the luggage placement portion 1a of the pallet member 1 from the state in which the forehead side wall member 3 is erected, the front side wall member 3 is temporarily moved upward, The center fitting protrusion 3k formed on the tilted side wall member 3 is pulled out from the inner center fitting recess 1j formed on the lower bank portion 1c of the pallet member 1, and the short axis formed on the tipping side wall member 3 is pulled out. The attached fitting convex portion 3m is pulled out from the inner fitting recessed portion 1k with an overhang portion formed in the lower bank portion 1c of the pallet member 1, and then the tip-down side wall member 3 removed from the pallet member 1 is substantially horizontal. After that, the center fitting convex portion 3k formed on the side wall member 3 is fitted to the inner center fitting concave portion 1j formed on the pallet member 1, and the side wall member 3 is formed on the front side wall member 3. The fitting protrusion 3m with a short shaft By fitting the inner fitting concave portion 1k with a protruding portion formed in the lower bank portion 1c of the ridge member 1, the forward side wall member 3 can be overlapped with the luggage placement portion 1a of the pallet member 1. .

  Next, the attachment of the drawn side wall member 2 to the pallet member 1 will be described mainly with reference to FIGS. 5, 7 and 24.

  24, the pull-out side wall member 2 is pulled up so that the inner surface 2a1 of the main body portion 2a of the pull-out side wall member 2 is positioned on the side of the load placing portion 1a of the pallet member 1 as shown in FIG. The center fitting formed in the center part of the lower end surface 2j1 of the main body part 2a of the extraction side wall member 2 by disposing the side wall member 2 above the high bank portion 1b and then lowering the extraction side wall member 2 The convex portion 2k is fitted into the inner central fitting concave portion 1d formed in the central portion of the high bank portion 1b of the pallet member 1, and is suspended from both end portions of the lower end surface 2j1 of the main body portion 2a of the extraction side wall member 2. The end fitting convex portion 2m thus formed is fitted into an inner end fitting concave portion 1e formed on the high bank portion 1b of the pallet member 1. Further, the fitting convex portion 2n with a short shaft suspended from the lower end surface 2j1 of the main body portion 2a of the extraction side wall member 2 is used as an inner fitting concave portion with an overhang portion formed on the high bank portion 1b of the pallet member 1. Fits to 1f. Furthermore, the outer fitting convex part 2p suspended from the lower end surface 2j1 of the main body part 2a of the extraction side wall member 2 is fitted into the outer fitting concave part 1g formed on the high bank part 1b of the pallet member 1. Further, when the fitting convex portion 2n with the short shaft formed on the drawn side wall member 2 is fitted into the inner fitting concave portion 1f with the overhang portion formed on the high bank portion 1b of the pallet member 1, The short shaft 3n2 of the short shaft fitting convex portion 2n is configured to be positioned behind the overhang portion 1f1 of the overhanging inner fitting concave portion 1f. In this way, the drawn side wall member 2 is attached to the high bank portion 1b of the pallet member 1.

  As described above, the outer fitting convex portion 2p formed on the drawing side wall member 2 is vertically set by fitting into the outer fitting concave portion 1g formed on the high bank portion 1b of the pallet member 1. Even if a load is applied to the pulled-out side wall member 2 from the outer surface 2a2 side of the pulled-out side wall member 2, the pulled-out side wall member 2 can be prevented from moving inward. Further, in the drawn side wall member 2 in a vertically standing state, the short shaft 2n2 of the fitting convex portion 2n with a short shaft formed on the drawn side wall member 2 is formed on the high bank portion 1b of the pallet member 1. Since the outer fitting convex part 2p formed in the drawing side wall member 2 is configured to come into contact with the protruding part 1f1 of the inner fitting concave part 1f with the protruding part, the high bank portion of the pallet member 1 is provided. Coupled with being configured to fit in the outer fitting recess 1g formed in 1b, it is possible to prevent the withdrawal side wall member 2 from moving inward.

  In addition, when the box pallet B1 is folded, the horizontal extraction side wall member 2 is overlaid on the front side wall member 3 overlaid on the luggage placement portion 1a of the pallet member 1. Also at this time, as described above, the short shaft 2n2 of the short shaft fitting convex portion 2n formed on the drawn side wall member 2 is formed on the inner side with the overhang portion formed on the high bank portion 1b of the pallet member 1. Since it will be arrange | positioned so that it may contact | abut to the overhang | projection part 1f1 of the fitting recessed part 1f, it can prevent that the extraction | drawer side wall member 2 of a horizontal state moves inside.

  Furthermore, since the center fitting convex part 2k formed in the extraction side wall member 2 is fitted in the inner center fitting concave part 1d formed in the high bank portion 1b of the pallet member 1, it is set up vertically. Even if a load is applied to the drawn side wall member 2 in the state from the inner surface 2a1 side of the drawn side wall member 2, it is possible to prevent the drawn side wall member 2 from moving outward. Further, as described above, the fitting projection 2n with the short shaft is fitted into the inner fitting recess 1f with the overhang formed on the high bank portion 1b of the pallet member 1, so that this configuration In addition, even if a load is applied from the inner surface 2a1 side of the extraction side wall member 2 to the extraction side wall member 2 in a vertically standing state, the extraction side wall member 2 can be prevented from moving outward.

  As shown in FIG. 1, the drawn side wall member 2 can be removed from the box pallet B <b> 1 by pulling the drawn side wall member 2 upward from the state in which the box pallet B <b> 1 is assembled in a box shape.

  As shown in FIGS. 25 and 26, the pulled-out side wall member 2 removed from the box pallet B1 is arranged substantially horizontally above the pallet member 1, and then the pallet is kept in a horizontal state. The center fitting convex part 2k formed in the center part of the lower end surface 2j1 of the main body part 2a of the extraction side wall member 2 is lowered in the direction of the member 1 and formed in the center part of the high bank part 1b of the pallet member 1. The end fitting projections 2m hanging from both ends of the lower end surface 2j1 of the main body 2a of the pull-out side wall member 2 are fitted into the inner center fitting recess 1d. The inner end fitting recessed portion 1e formed in is fitted. Further, the fitting convex portion 2n with a short shaft suspended from the lower end surface 2j1 of the main body portion 2a of the extraction side wall member 2 is used as an inner fitting concave portion with an overhang portion formed on the high bank portion 1b of the pallet member 1. Fits to 1f. Further, the outer fitting convex portion 2p suspended from the lower end surface 2j1 of the main body portion 2a of the drawn side wall member 2 is fitted into the opposed inner fitting concave portion 1h formed so as to face the outer fitting concave portion 1g. . In this way, in the horizontal state, the pulled-out side wall member 2 in the horizontal state is overlaid on the forward side wall member 3 overlaid on the luggage placement portion 1a of the pallet member 1. In this manner, the box pallet B1 assembled in a box shape is folded as shown in FIG.

  In order to assemble the folded box pallet B1 into a box shape, first, the horizontal pulled-out side wall member 2 is moved upward to be removed from the high bank portion 1b of the pallet member 1. Next, in a horizontal state, the forward side wall member 3 stacked on the load placement portion 1a of the pallet member 1 is rotated in the vertical direction, so that the forward side wall member 3 is set substantially vertically, or In a horizontal state, by moving the forward side wall member 3 overlaid on the luggage placement portion 1a of the pallet member 1 upward, once removed from the lower bank portion 1c of the pallet member 1 and then in a vertical state By attaching the tip-down side wall member 3 to the lower bank portion 1 c of the pallet member 1, the tip-up side wall member 3 stands substantially perpendicular to the lower bank portion 1 c of the pallet member 1. Thereafter, the pulled-out side wall member 2 that maintains the vertical state is attached to the high bank portion 1b of the pallet member 1, so that the folded box pallet B1 is assembled into a box shape. In addition, the horizontal pulled-out side wall member 2 removed from the high bank portion 1b of the pallet member 1 is vertically installed and attached to the high bank portion 1b of the pallet member 1, and then the pallet member 1 is loaded. The box pallet B1 in a folded state is turned into a box shape by rotating the front side wall member 3 stacked on the portion 1a in the vertical direction without removing it from the lower bank portion 1c of the pallet member 1. It can also be assembled.

  As described above, the pulled-out side wall member 2 that maintains the vertical state is connected to the lower bank portion 1 c of the pallet member 1 next to the tip-down side wall member 3 that is attached in the vertical state, and the high bank portion 1 b of the pallet member 1. 27, the upper end block 2c formed on the engaging portion 2b of the pulled-out side wall member 2 is moved forward to the upper end block formed on the engaging portion 3b of the side wall member 3, as shown in FIG. The locking block 2e formed above the engaging portion 2b of the pull-out side wall member 2 is moved forward from the upper intermediate block 3g formed at the engaging portion 3b of the side wall member 3. Further, a plurality of intermediate blocks 2f formed on the engaging portions 2b of the pull-out side wall member 2 are moved forward and above a plurality of corresponding intermediate blocks 3g formed on the engaging portions 3b of the side wall member 3. To place.

  Thereafter, the drawing side wall member 2 is lowered while maintaining the vertical state, and as shown in FIG. 29, each block (upper end block 2c, locking block) formed on the engaging portion 2b of the drawing side wall member 2 2e and the intermediate block 2f) are fitted into the fitting concave portions 3i constituting the respective blocks (the upper end block 3c and the intermediate block 3g) formed on the engaging portion 3b of the side wall member 3 by being tilted forward. In addition, the engagement of the side wall member 3 to the front end is fitted to the fitting recess 2h constituting each block (the upper end block 2c, the locking block 2e and the intermediate block 2f) formed in the engaging portion 2b of the drawing side wall member 2. By fitting the fitting convex portions 3h constituting the respective blocks (the upper end block 3c and the intermediate block 3g) formed in the joint portion 3b, the drawn side wall member 2 and the side wall member which is brought forward are brought forward. But through the engaging portion 3b of the side wall member 3 Killed engaging portion 2b and the previous withdrawal side wall member 2, will be connected.

  As described above, the fitting convex portion 2g constituting each block (the upper end block 2c, the locking block 2e, and the intermediate block 2f) formed in the engaging portion 2b of the drawing side wall member 2 is moved forward to the side wall member 3. Each block (upper end) that is fitted in the fitting recess 3i that constitutes each block (the upper end block 3c and the intermediate block 3g) formed in the engaging portion 3b and that is formed in the engaging portion 2b of the extraction side wall member 2 Fittings constituting the respective blocks (upper end block 3c and intermediate block 3g) formed in the engaging portion 3b of the side wall member 3 are fitted into the fitting recesses 2h constituting the block 2c, the locking block 2e and the intermediate block 2f). By fitting the mating convex portion 3h, the extraction side wall member 2 and the forward side wall member 3 are moved through the engagement portion 2b of the extraction side wall member 2 and the engagement portion 3b of the front side wall member 3. Since they are connected, even if a load is applied from the inside of the box pallet B1 assembled in a box shape, the connected state between the drawn side wall member 2 and the side wall member 3 may be released. In addition, damage to the lock member 4 can be prevented.

  As described above, in order to separate the connected drawing side wall member 2 and the leading side wall member 3 through the engaging part 2b of the pulling side wall member 2 and the engaging part 3b of the leading side wall member 3, The extraction side wall member 2 is pulled upward. In the process of pulling the extraction side wall member 2 upward, each block (lock block 2e, intermediate block 2f and intermediate block 2f) formed in the engaging portion 2b of the extraction side wall member 2 is pulled up. The inclined surfaces 2i formed on the upper surface of the lower end block 2d) are inclined surfaces formed on the lower surfaces of the blocks (the upper block 3c and the intermediate block 3g) formed on the engaging portion 3b of the side wall member 3, respectively. 3b, and the pulled-out side wall member 2 is separated from the front side wall member 3 along the inclined surface 3j of each block formed in the engaging portion 3b of the front side wall member 3. That will be moved in a direction, therefore, the separation from the previous beat sidewall member 3 of the withdrawal side wall member 2, smoothly, and can be easily performed.

  When the box pallet B1 is assembled into a box shape, the stacking step 3n formed at the upper end corner of the upper end surface 3a3 of the main body 3a of the side wall member 3 and the drawn side wall 2 Stepped recesses 5 are formed at both ends of the front side wall member 3 by the inclined surface 2c1 on the side of the front side wall member 3 of the upper end block 2c of the engaging portion 2b.

  When the box pallets B1 assembled in a box shape are stacked, they are used for stacking formed near both ends of the upper end surface 2j2 of the main body 2a of the pull-out side wall member 2 of the box pallet B1 located below. A stacking projection 1t formed on the side beam 1m of the pallet member 1 of the upper box pallet B1 is fitted in the recess 2q, and a stacking formed on the lower box pallet B1 is mounted. The stacking convex portion 1t formed on the side beam 1m of the pallet member 1 of the box pallet B1 positioned above is fitted to the concave portion 5 for use.

  As described above, when the box pallets B1 assembled in a box shape are stacked, the stacking recesses 2q are formed in the vicinity of both end portions of the upper end surface 2j2 of the main body 2a of the extraction side wall member 2. In addition, since the stacking recesses 5 are formed at both ends of the side wall member 3, the stacking recesses are formed in comparison with the conventional box pallet formed at the center of the side wall member. Thus, the pulled-out side wall member 2 and the forward side wall member 3 are not deformed or damaged, and thus the box pallets B1 assembled in a box shape can be stacked in a stable state.

  Further, when the box pallets B1 assembled in a box shape are stacked, the steps formed in the vicinity of both end portions of the upper end surface 2j2 of the main body 2a of the pull-out side wall member 2 of the box pallet B1 positioned below. The vertical surface 2q2 of the stacking recess 2q is close to and below the vertical surface 1t2 of the stacking projection 1t formed on the side beam 1m of the pallet member 1 of the box pallet B1 positioned above. The pallet member 1 side of the box pallet B1 on which the vertical surface 3n1 of the stacking step 3n formed on the forward side wall member 3 constituting the stacking recess 5 formed on the box pallet B1 is located above. It is comprised so that it may adjoin to the vertical surface 1t2 of the convex part 1t for stacking | stacking formed in the part beam 1m. With this configuration, when the box pallet B1 located above moves in the horizontal direction with respect to the box pallet B1 located below, the drawing side wall member 2 of the box pallet B1 located below is drawn. The vertical surface 2q2 of the stacking recess 2q formed near both ends of the upper end surface 2j2 of the main body 2a of the main body 2a is for stacking formed on the side beam 1m of the pallet member 1 of the box pallet B1 positioned above Vertical of the stacking step 3n formed on the forward side wall member 3 that contacts the vertical surface 1t2 of the protrusion 1t and constitutes the stacking recess 5 formed in the box pallet B1 positioned below. Since the surface 3n1 comes into contact with the vertical surface 1t2 of the stacking projection 1t formed on the side beam 1m of the pallet member 1 of the box pallet B1 positioned above, the surface 3n1 is therefore positioned above. It is possible to suppress the movement in the horizontal direction of the box pallet B1, therefore, the box pallet B1 assembled into a box shape, in a stable state, can be staked.

Further, when the upper box pallet B1 moves in the horizontal direction, the pallet member 1 is lowered before coming into contact with the drawing side wall member 2 and the forward side wall member 3 of the lower box pallet B1. The vertical surface 2q2 of the stacking recess 2q formed in the vicinity of both ends of the upper end surface 2j2 of the main body 2a of the extracted side wall member 2 of the box pallet B1 is positioned on the pallet member 1 side of the box pallet B1 positioned above. Formed on the front side wall member 3 that abuts the vertical surface 1t2 of the stacking convex portion 1t formed on the part beam 1m and constitutes the stacking concave portion 5 formed on the box pallet B1 positioned below. The vertical surface 3n1 of the stacked stacking step 3n is in contact with the vertical surface 1t2 of the stacking convex portion 1t formed on the side beam 1m of the pallet member 1 of the box pallet B1 positioned above. Which is configured to so that, in the pull-out side wall member 2 and previously defeated side wall member 3 of the box pallet B1 located below, by the horizontal movement of the pallet member 1 box pallet B1 located above the load straight is Therefore, it is possible to prevent the pull-out side wall member 2 and the front side wall member 3 of the box pallet B1 located below from being damaged.

  Furthermore, as shown in FIG. 2, when the folded box pallet B1 is assembled into a box shape, the horizontal side wall member 2 is moved upward as described above. During the upward movement of the extraction side wall member 2, the lower hand-held recess 2s is formed on the lower surface 2j1 side of the main body 2a of the extraction side wall member 2, so that the extraction side wall member 2 is maintained in a horizontal state. In this state, the drawn side wall member 2 can be removed from the high bank portion 1b of the pallet member 1 smoothly and easily. When the lower hand-held recess 2s is formed on the upper end surface 2j2 side of the main body 2a of the extraction side wall member 2, when the horizontal extraction side wall member 2 is moved upward, the extraction side wall member 2 is The upper end surface 2j2 of the main body portion 2a of the extraction side wall member 2 is located greatly above the high bank portion 1b of the pallet member 1, and the extraction side wall member 2 is greatly inclined. The removal of the second pallet member 1 from the high bank portion 1b cannot be performed smoothly and easily.

  In order to assemble the folded box pallet B1 into a box shape, the horizontal pull-out side wall member 2 is moved upward, and then overlapped on the load placing portion 1a of the pallet member 1 in the horizontal state. The forward side wall member 3 is moved upward in the horizontal direction by rotating the front side wall member 3 in a vertical direction or in a horizontal state. When the front side wall member 3 is configured to rotate in the vertical direction, the upper hand-held concave portion 3p is formed near the center or upper end of the main body 3a of the front side wall member 3. As a result, the side wall member 3 can be turned smoothly and easily in the vertical direction.

  Further, in the case where the forward side wall member 3 stacked on the luggage placement portion 1a of the pallet member 1 in the horizontal state is moved upward in a state where the horizontal state is maintained, the above-described holding recess 3p is Like the lower hand-held recess 2 s formed in the main body 2 a of the drawn side wall member 2 described above, it is preferable to form it near the lower end surface 3 a 5 of the main body 3 a of the front side wall member 3. By comprising in this way, the removal from the low part bank part 1c of the pallet member 1 of the tip-down side wall member 3 can be performed smoothly and easily.

  When loading / unloading a package into / from the box pallet B1 assembled into a box shape, as shown in FIG. 30, one of the opposing withdrawal side wall members 2 of the box pallet B1 assembled into a box shape is used. The pull-out side wall member 2 is pulled out and removed, and the load is taken in and out from the side from which the pull-out side wall member 2 is removed. Further, since the high bank portion 1b of the pallet member 1 is present on the side from which the drawing side wall member 2 is removed, the stored baggage moves on the baggage placement portion 1a of the pallet member 1. However, since the movement is blocked by the high bank portion 1b, it is possible to prevent the load from falling from the load placing portion 1a of the pallet member 1.

  Further, as shown in FIG. 31, when the height of the container C as the stored luggage is the same as or lower than the high bank portion 1b of the pallet member 1, the container C is taken out. However, in the present invention, the concave portion formed in the high bank portion 1b such as the inner central fitting concave portion 1d, the inner end fitting concave portion 1e, or the inner fitting concave portion 1f with a protruding portion is used. By putting a finger and placing a finger on the upper end flange c1 of the container C, the container C as a stored luggage can be easily taken out.

  Next, another embodiment of the present invention will be described with reference to FIGS.

  As described above, when the box pallet B1 is assembled in a box shape, the stacking step 3n formed at the upper end corner of the upper end surface 3a3 of the main body 3a of the side wall member 3 is pulled out. On the side of the pallet member 1 of the box pallet B1 located on the upper side of the stacking recess 5 formed by the inclined surface 2c1 on the side wall member 3 side of the upper end block 2c of the engaging portion 2b constituting the side wall member 2 The stacking convex portion 1t of the pallet member 1 of the box pallet B1 located on the top of the pallet member 1 is located in the stacking operation. When 1t comes into contact with the substantially vertical vertical surface 3n1 of the stacking step 3n of the front-end side wall member 3 constituting the stacking recess 5 of the box pallet B1 located below, the stacking step 3n, in particular, a substantially vertical vertical surface 3n1 To prevent damage, but with enhanced intensity near the step portion 3n for stacking.

  In the present embodiment, a portion (hereinafter referred to as an outer half body side step portion) 3n ′ located on the front side wall member outer half 3B side of the stacking step portion 3n formed on the front side wall member 3 is configured. The vertical portion (hereinafter referred to as the outer half-side vertical portion) 3n1 'positioned on the side wall member outer half 3B side, and the horizontal portion (hereinafter referred to as the outer side) positioned on the side wall member outer half 3B side 3n2 ′ is thickened, and the portion of the upper end surface 3a3 of the main body 3a located on the side of the side wall member outer half 3B (hereinafter referred to as the outer half side upper end) 3a3 ′. The outer half-body-side vertical portion 3n1 ′ side portion is thickened.

  The above-described thick portion 3n2 ″ of the outer half-side horizontal portion 3n2 ′ is configured to be continuous with the thick portion 3n1 ″ of the outer half-side vertical portion 3n1 ′, and the outer half-side upper end portion 3a3 ′. The thick portion 3a3 ″ is also configured to be continuous with the thick portion 3n1 ″ of the outer half side vertical portion 3n1 ′.

  In the present embodiment, the side wall member outer half body 3B side upper horizontal rib (hereinafter referred to as the outer half body side upper horizontal rib) is located immediately below the outer half side upper end portion 3a3 ′ of the front side wall member outer half body 3B. 3r ′ is formed, and the outer half-side upper horizontal rib 3r ′ and the outer half-side horizontal portion 3n2 ′ are connected by a vertical connecting rib 3s ′ formed at a predetermined interval. The half-body-side upper horizontal rib 3r 'and the outer half-body-side upper end portion 3a3' are also connected by a vertical connection rib 3t 'formed at a predetermined interval.

  Further, the above-mentioned thick portion 3n2 ″ of the outer half-side horizontal portion 3n2 ′ preferably extends to the vertical connecting rib 3s ′ located on the predetermined outer half-side horizontal portion 3n2 ′ side. The thick portion 3a3 ″ of the upper end portion 3a3 ′ also preferably extends to the vertical connecting rib 3t ′ placed on the predetermined outer half side upper end portion 3a3 ′ side.

  Further, the thickened portion 3n1 ″ of the outer half-side vertical portion 3n1 ′ and the vertical connecting rib 3t ′ placed on the predetermined outer half-side upper end portion 3a3 ′ side are reinforced parallel to the outer half-side upper horizontal rib 3r ′. The horizontal ribs 3u ′ are connected to each other, and the reinforcing horizontal ribs 3u ′ are also preferably thick. Still further, the outer half-side upper horizontal rib 3r ′ and the outer half-side vertical portion 3n1 ′ are thick portions 3n1 ″. It is preferable to increase the thickness 3B ″ of the forward side wall member outer half 3B positioned at the thick portion 3n2 ″ of the outer half side horizontal portion 3n2 ′ and the thick portion 3a3 ″ of the outer half side upper end portion 3a3 ′. .

  As described above, the thick portion 3n1 ″ of the outer half-side vertical portion 3n1 ′, the outer half portion of the step portion 3n for stacking that constitutes the side wall member 3 is positioned near the outer half-side step portion 3n ′. By forming the thick part 3n2 ″ of the body-side horizontal part 3n2 ′ and the thick part 3a3 ″ of the outer half-side upper end part 3a3 ′, the strength of the outer half-side step part 3n ′ can be increased.

  Similarly, a portion (hereinafter referred to as an inner half-side step portion) 3n ″ of the step-up step portion 3n formed on the tip-down side wall member 3 is positioned on the side of the half-side wall member inner half 3A. A vertical portion (hereinafter, referred to as an inner half-side vertical portion) 3n1 "positioned on the side wall member inner half 3A side, and a horizontal portion (hereinafter referred to as an inner half side horizontal surface) positioned on the side wall member inner half 3A side 3n2 ″ thicker and the portion located on the side of the front side wall member inner half 3A side of the upper end surface 3a3 of the main body 3a (hereinafter referred to as the inner half side upper end portion) 3a3 ″ on the inner half side The vertical portion 3n1 "side portion is thickened.

  The above-described thick portion 3n3 ″ of the inner half-side horizontal portion 3n2 ″ is configured to be continuous with the thick portion 3n4 ″ of the inner half-side vertical portion 3n1 ″ and the inner half-side upper end portion 3a3 ″. The thick portion 3a5 ″ is also configured to be continuous with the thick portion 3n4 ″ of the inner half side vertical portion 3n1 ″.

  Further, an upper horizontal rib (hereinafter referred to as an inner half-side upper horizontal rib) 3v ′ is formed immediately below the inner half-side upper end portion 3a3 ″ of the forward-side wall member inner half 3A. The inner half-body-side upper horizontal rib 3v ′ and the inner half-body-side horizontal portion 3n2 ″ are coupled by a vertical coupling rib 3w ′ formed at a predetermined interval. The rib 3v ′ and the inner half-side upper end portion 3a3 ″ are also connected by a vertical connection rib 3x ′ formed at a predetermined interval.

  Further, it is preferable that the above-described thick portion 3n3 ″ of the inner half horizontal portion 3n2 ″ extends to the vertical connecting rib 3w ′ located on the predetermined inner half horizontal portion 3n2 ″ side. The thick portion 3a5 ″ of the upper end portion 3a3 ″ also preferably extends to the vertical connection rib 3x ′ placed on the predetermined inner half side upper end portion 3a3 ″ side.

  Furthermore, the thick portion 3n4 ″ of the inner half-side vertical portion 3n1 ″ and the vertical connecting rib 3x ′ placed on the predetermined inner half-side upper end portion 3a3 ″ are parallel to the inner half-side upper horizontal rib 3v ′. The reinforcing horizontal ribs 3y ′ are connected to each other, and the reinforcing horizontal ribs 3y ′ are also preferably thick. Still further, the inner half-side upper horizontal ribs 3y ′ and the inner half-side vertical portions 3n1 ″ are thick portions 3n4. It is possible to increase the thickness 3A ″ of the forward side wall member inner half 3A positioned at the thick portion 3n3 ″ of the inner half horizontal portion 3n2 ″ and the thick portion 3a5 ″ of the inner half upper end 3a3 ″. preferable.

  As described above, the thickened portion 3n4 ″ of the inner half-side vertical portion 3n1 ″, the inner half portion of the step portion 3n for stacking that constitutes the side wall member 3 is located near the inner half-side step portion 3n ″. By forming the thick portion 3n3 ″ of the body side horizontal portion 3n2 ″ and the thick portion 3a5 ″ of the inner half side upper end portion 3a3 ″, the strength of the inner half side step portion 3n ″ can be increased.

  As described above, the front side wall member 3 is formed by welding the front side wall member inner half 3A and the front side wall member outer half 3B. At this time, the thick portion 3a5 ″ of the inner half-side upper end portion 3a3 ″, the thick portion 3a3 ″ of the outer half-side upper end portion 3a3 ′, the thick portion 3n4 ″ of the inner half-side vertical portion 3n1 ″, and the inner half-side vertical portion. 3n1 ″ thick part 3n4 ″, inner half horizontal part 3n2 ″ thick part 3n3 ″ and outer half horizontal part 3n2 ′ thick part 3n2 ″, and forward side wall member inner half 3A. The reinforced horizontal rib 3y ′ and the reinforced horizontal rib 3u ′ formed on the forward side wall member outer half 3B are welded in a state of being in contact with each other.

  As described above, at least the substantially vertical vertical surface 3n1, the vertical surface 3n1 side portion of the horizontal surface 3n2, and the vertical surface 3n1 side portion of the upper end surface 3a3 of the main body portion 3a are thickened. By doing so, damage to the stacking step 3n can be prevented.

B1 ... Box pallet 1 ... Pallet member 1b ... High bank 1c ... ... Lower bank part 2 ··········· Pull-out side wall member 2b ······························ Side wall member 3b ··························································································

Claims (1)

A pallet member in which a fork insertion opening is formed;
An opposing withdrawal side wall member that can be withdrawn from the pallet member;
In a box pallet that is configured to be stackable, with opposed forward side wall members that are first stacked on the pallet member when folded,
Wherein the back surface near the outer corners of the pallet member, sandwiching the outer corners, stage of a substantially inverted trapezoidal shape having an inclined surface and the inclined surface that faces a vertical plane located outside corner side and a horizontal bottom A convex part for stacking is formed,
The withdrawal side wall member upper surface end portions near the and in the vicinity of both end portions of the destination Killed upper end surface of the side wall member, the convexity the stacking formed in the pallet member is fitted, the end portion the recess for stacking having a vertical surface on the opposite side are formed respectively,
When box pallets assembled in a box shape are stacked,
Upper surface and a vertical surface of the step for stacking recess formed on the upper end surface of the target defeat wall member of the withdrawal side wall member of box pallet located below is formed on the pallet member of box pallets located above Close to the vertical surface of the stacking convex part ,
When the box pallet located above moves in the horizontal direction,
Before the pallet member of the box pallet located above contacts the inner wall surface of the pulling side wall member of the box pallet located below or the inner wall surface of the tipping side wall member,
A vertical surface of the stacking concave portion of the lower box pallet is configured to abut on a vertical surface of the stacking convex portion formed on the pallet member of the upper box pallet . A box pallet characterized by that.

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