JP3140959B2 - Pallet containers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a large container used for storing articles such as beer and soft drinks, moving luggage, and agricultural products such as fruits and vegetables. The present invention relates to a large-sized pallet container in which the height of a side wall plate is increased in order to store an article.

[0002]

2. Description of the Related Art Conventionally, a tall auxiliary wall 3a is provided along a pair of opposing sides of an upper surface of a rectangular bottom plate 2 having a fork insertion portion 1 for a forklift. A short auxiliary wall 3b is provided along a pair of sides, and the first side wall 6 is attached to the tall auxiliary wall 3a.
b is rotatably supported by a shaft and the shaft is vertically movable, and the second side wall 6a is rotatably supported by the short auxiliary wall 3b by a shaft. The first side wall body 6b which is movable vertically and is adjacent to the first side wall body 6b in an upright state.
And the second side wall body 6a are detachably connected to each other, and in a folded state, the two second side wall bodies 6a are overlapped in two steps on the bottom plate and two second side wall bodies 6a are placed on the upper second side wall body 6a. The first side wall member 6b is stacked in two stages, and inner ridges are protruded along both axial ends of the inner surface of the first side wall member 6b.
Japanese Unexamined Patent Publication No. Hei 7 (1995) -1995 discloses a structure in which the first side wall 6b is overlapped over the entire length of both ends in the axial direction of the outer surface of the outer side of the outer side of the upper side wall so that the inner ridge of the upper side wall fits. 895
No. 46 is known.

In this conventional example, in the folded state, the two first side walls 6b are fitted with the inner ridge and the paragraph, so that one of the first side walls 6b is attached to the arrow of FIG. Even if a force deviating in the direction a acts, the other first side wall 6b also bears this force, thereby preventing the first side wall 6b from moving in the direction indicated by the arrow a. Side wall body 6b
The shaft portion supporting the shaft is prevented from being damaged.

[0004]

However, in the conventional example described above, when a force is applied to the first side wall 6b so as to shift in the direction of arrow B in FIG. In such a direction that an excessive force acts on the shaft that supports the first side wall member 6b. In some cases, this shaft portion may be damaged. In particular, since the pallet container is large and the weight of the first side wall body 6b itself is heavy, the pallet container shown in FIG.
For example, when the first side wall member 6b is erected in a folded state, the first side wall member 6b is hung by a shaft, and the weight of the heavy first side wall member 6b is concentrated on the shaft portion, and the shaft is hung. Parts may be damaged.

The present invention has been made in view of the above-mentioned problems of the prior art, and an excessive force acts on a shaft portion which supports the first side wall member 6b located outside in the folded state. It is an object of the present invention to provide a pallet container that can prevent a shaft portion from being damaged without using the pallet container.

[0006]

According to the present invention, there is provided a pallet container having a tall auxiliary wall along a pair of opposing sides among four sides of an upper surface of a rectangular bottom plate having a fork insertion portion for a forklift. A body 3a is provided, and a short auxiliary wall 3b is provided along another pair of opposing sides. The first side wall 6b is rotatably supported by a shaft 7 on the tall auxiliary wall 3a. At the same time, the shaft 7 is vertically movable, and the second side wall 6a is rotatably supported on the short auxiliary wall 3b by the shaft 7 and the shaft 7 is vertically movable. The first side wall 6b and the second side wall 6b
Is detachably connected to the side wall body 6a of the
The two second side walls 6a are stacked on the bottom plate 2 in two steps, and the two first side walls 6a are placed on the upper second side wall 6a.
b are stacked in two stages, and inner ridges 62 project along both ends in the axial direction of the inner surface of the first side wall 6b, and both ends in the direction of the axis 7 of the outer surface of the first side wall 6b. The first side wall 6b is overlapped over the entire length excluding the end on the side of the shaft 7 to form a paragraph portion 90 into which the inner ridge 62 of the upper side wall is fitted, and the first side wall is formed. The first end of the outer surface of the body 6b facing the paragraph 90 at the end on the side of the shaft 7 in the direction of the shaft 7
The upper wall of the first side wall member 6b is provided with a stopper portion 91 in which the end portion of the inner protruding ridge 62 is in close proximity to the upper side wall member 6b. With such a configuration, the first side wall member 6 in the upper stage in the folded state
Even if a force is applied to move b in the direction orthogonal to the shaft 7, it is prevented from moving by hitting the stopper 91, so that no unreasonable force acts on the shaft 7.

The upper side of the first side wall body 6b is placed in a state where the first side wall body 6b is overlapped on both ends of the outer surface of the first side wall body 6b in the direction of the axis 7 facing the paragraph 90 at the end on the side of the axis 7. A stopper portion 91 is provided in which the end of the inner ridge 62 of the side wall body is closely opposed to the stopper portion 91, and a reinforcing member parallel to the longitudinal direction of the paragraph portion 90 is integrally and continuously connected to a surface of the stopper portion 91 opposite to the paragraph portion 90. A rib 92 is provided . With such a configuration, the stopper portion 91 can be reinforced by the reinforcing ribs 92, and even if the first side wall member 6b in the upper stage is likely to move in the direction orthogonal to the shaft 7, it is supported. You can do it.

Further, the first side wall member 6b is placed on the outer side of the first side wall member 6b in a state where the first side wall member 6b is overlapped on both ends of the first side wall member 6b in the direction of the shaft 7 facing the paragraph 90 at the end on the side of the shaft 7. It is also preferable to provide a stopper portion 91 in which the end of the inner protrusion 62 of the side wall body is close to and oppose, and attach a cushioning member 93 to the surface of the stopper portion 91 on the paragraph 90 side. With such a configuration,
When the upper side first side wall member 6b is moved by the force to move in the direction orthogonal to the shaft 7 and the stopper portion 91 prevents the movement, the shock absorbing member 93 can absorb the shock.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in detail based on embodiments shown in the accompanying drawings. 1 to 10 show the whole pallet container of the present invention. FIG. 1 is an exploded perspective view before assembling, FIG. 2 is a perspective view in an assembled state, FIG. 3 is a perspective view in a folded state, and FIG. 5 is a front view of the assembled state, FIG. 6 is a side view of the assembled state,
7 is a plan view of the folded state, FIG. 8 is a front view of the folded state, FIG. 9 is a sectional view of the folded state, and FIG. 10 is a side view of the folded state. Each member constituting the pallet container is formed of a synthetic resin, and is formed with a rib for imparting strength.
In FIG. 12 and FIG. 12, ribs provided on members constituting the pallet container are omitted for convenience of drawing. On the other hand, FIGS. 13 to 22 show drawings in which ribs are formed at the portions showing the details of these members.

As shown in FIG. 1, a bottom plate 2 has a rectangular shape and is provided with a fork insertion portion 1 for a forklift, which is opened at a side surface. The bottom plate 2 itself can be used as a normal pallet. A bolt insertion hole 13 is provided at each of the four corners of the upper surface of the bottom plate 2 and each side of the upper surface. Also,
An auxiliary wall positioning / locking hole 40 is provided on each side of the upper surface of the bottom plate 2. The auxiliary wall 3 is placed along each side of the upper surface of the bottom plate 2 and the nut 44 is tightened with the bolt 4 using the bolt insertion hole 13 as shown in FIGS. is there. In this case, as shown in FIG. 14, a support projection 41 hanging down from the lower surface of the auxiliary wall 3 is fitted into the auxiliary wall positioning / locking hole 40.

The auxiliary wall 3 is a tall auxiliary wall 3a.
And an auxiliary wall 3b having a short height.
A pair of tall auxiliary wall bodies 3a are placed along a pair of opposite sides of the upper surface of the bottom plate 2 and attached by bolts 4, and a pair of tall auxiliary walls 3a are formed along the other pair of opposite sides of the upper surface of the bottom plate 2. A short auxiliary wall 3b is mounted and attached by bolts 4. Here, the lower halves of both end portions of the tall auxiliary wall body 3a are cut out to form notch step portions 50, and the positioning pin portions 51 are fitted into the notch step portions 50 as shown in FIG. The end of the short auxiliary wall 3b is fitted in the notch step 50, and the end of the tall auxiliary wall 3a and the back of the tall auxiliary wall 3a at the corner of the bottom plate 2. The common bolt 4 is inserted into the bolt insertion hole 46 provided on the end of the lower auxiliary wall 3b, and the nut 44 is inserted through the hole 13 of the bottom plate 2.
Are fastened. In this case, as shown in FIG. 12, positioning pins 51 and fitting projections 52 are fitted into positioning holes 53 and fitting recesses 54 provided in the upper surface of the end of the short auxiliary wall 3b, respectively. And are joined by fitting, and are fixed by bolts 4 in this state. A fitting projection 52 'is also provided vertically on the lower surface of the end of the short auxiliary wall 3b, and the fitting projection 52' is fitted into a fitting recess 54 'provided on the upper surface of the bottom plate 2. And fixed by bolts 4 in a state where they are positioned and joined by fitting. At portions other than the corners of the bottom plate 2, the supporting projections 41 are fitted into the auxiliary wall positioning locking holes 40 and are positioned and held, and the auxiliary wall bodies 3 a, 3 b are attached by bolts 4 as shown in FIG. 16. is there.

The auxiliary wall 3 is an upper and opposing auxiliary wall 3
A plurality of leg fitting grooves 1 opening toward the surface facing
4 are provided, and the leg fitting grooves 1 located at both end portions are provided.
A laterally open bearing portion 5 is provided on the side surface of the upper surface 4 so as to allow a shaft 7, which will be described later, having a forward opening at the upper portion to be freely inserted and removed as shown in FIG. The opening 55 is provided, or the shaft 7 is opened upward so that the shaft 7 can be freely taken in and out. In addition, other leg fitting grooves 14 except for the leg fitting grooves 14 on both sides are provided.
The bottom has a locking groove 9 that opens upward. A drain hole (not shown) is provided at the bottom of the locking groove 9.

On the auxiliary wall 3, a side wall 6 can be mounted. As the side wall body 6, a tall second side wall body 6
a and a short first side wall body 6b are used,
A tall second side wall 6 is placed on the short auxiliary wall 3b.
a can be placed freely, and the first short side wall 6b can be placed on the tall auxiliary wall 3a, and the first side wall 6b can be placed on the short auxiliary wall 3b. The tall second side wall body 6a is placed and erected, and the tall auxiliary wall body 3a is set up.
The upper end of the tall second side wall 6a and the upper end of the short side wall 6b are at the same level in a state in which the first side wall 6b having a short height is placed and standing upright. Has become.
Of course, as described above, the upper end of the first side wall body 6b and the second
When it is not necessary to make the upper end of the side wall member 6a flush with the upper end of the side wall member 6a, it is not necessary to make the first side wall member 6b shorter than the second side wall member 6a. FIG. 1 shows the lower end of the side wall body 6.
As shown in FIG. 5, a plurality of legs 18 are vertically provided downward, and the shaft 7 protrudes from side ends of the legs 18 on both sides of the plurality of legs 18. At the lower end of the other leg 18, a fall prevention leg 8 is provided vertically. Then, the shaft 7 is fitted into the bearing portion 5 provided on the auxiliary wall body 3, the leg 18 is fitted into the leg fitting groove 14, and the fall prevention leg 8 is engaged with the locking groove as shown in FIGS. 14 and 17. 9 to prevent the side wall body 6 from falling down with respect to the auxiliary wall body 3. In the state where the fall prevention leg 8 is fitted in the locking groove 9, the leg 1
8 is placed on the bottom surface of the leg fitting groove 14, and a portion of the lower surface of the side wall 6 where the leg 18 is not suspended is placed on the upper surface of the auxiliary wall 3. It is. Here, as shown in FIGS. 15 and 18, an engagement hole 20 is provided on the upper surface of the auxiliary wall 3, and an engagement protrusion 21 projecting from the lower surface of the side wall 6 between the legs 18 is provided. The engagement hole 20 is engaged.

As shown in FIGS. 1 to 3, 7 to 9, and 11, the shaft 7 extends along both ends of the inner surface of the first side wall 6 b in the direction of the axis 7. An inner ridge 62 elongated in a direction perpendicular to the projection is provided. Further, the inner side ribs of the upper side wall body are provided in a state in which the first side wall body 6b is overlapped on both ends of the outer surface of the first side wall body 6b in the direction of the axis 7 over the entire length excluding the end on the axis 7 side. Paragraph section 90 for fitting 62
Is formed. Also, the first side wall member 6b is placed on the upper side of the first side wall member 6b in a state where the first side wall member 6b is superimposed on the portion facing the stage 90 at the end of the outer surface of the first side wall member 6b in the direction of the axis 7 on the shaft 7 side. A stopper portion 91 is provided in which the end of the inner protrusion 62 of the side wall body 6b is closely opposed. Further, a reinforcing rib 92 is provided integrally and continuously on the surface of the stopper portion 91 opposite to the paragraph portion 90 and parallel to the longitudinal direction of the paragraph portion 90.

The side wall members 6 are configured such that adjacent side wall members 6 are detachably connected to each other in the upright state. As a connecting means for connecting the adjacent side walls 6, for example, one having a structure as shown in FIGS. 20 and 21 can be adopted.
That is, in the embodiment shown in FIGS.
A rear projection 56 projecting laterally is provided at the rear half of both end surfaces of the tall second side wall body 6a, and a plurality of fitting projections 57 project from the front surface of the rear projection 56. A plurality of lock members 58 are vertically slidably attached to the side end of the tall second side wall body 6a in the guide holes 59, and are opened on the front side. By moving the operation part 61 located at 60 with a finger, the locking member 58 is moved.
Are allowed to protrude and retract along the front surface of the rear projection 56.
On the other hand, as described above, the inner ridges 62 are provided at both ends of the inner surface portions on both sides of the short first side wall body 6b, and a plurality of fitting holes 63 ( The opening direction is parallel to the inner surface of the short first side wall body 6b.)
And a plurality of lock holes 64 (first opening having a short opening direction).
Are perpendicular to the inner surface of the side wall body 6b). Then, when the short first sidewall body 6b is erected, and further the tall second sidewall body 6a is erected, the fitting projection 57 is fitted into the fitting hole 63 as shown in FIG. In this state,
The lock member 58 is moved as indicated by an arrow in FIG. 21 to lock the lock member 58 by fitting the lock member 58 into the lock hole 64. By doing so, the first short side wall body 6b and the back side The tall second side wall body 6a is connected so as not to shift in the front-rear direction and the left-right direction.

The protruding portion 62a forming the upper part of the notch step 50 at the side end of the tall auxiliary wall 3a is also shown in FIG.
The lock hole 64a is formed as shown in FIG. 7, and the lock member 58 provided at the lower end of the short auxiliary wall 3b is fitted in this portion to lock. By assembling the members as described above, a pallet container having a bottom plate 2 having a fork insertion portion 1 as shown in FIG. 2 is formed. In this pallet container, items to be stored are put inside, and a fork of a forklift is inserted into the fork insertion portion 1 to lift and carry.

Here, when the contents are placed in the pallet container, a lateral load or an internal pressure is applied from the contents toward the lower part of the side wall of the container. The auxiliary wall 3 is fixed by bolts 4 along the four sides of the upper surface of the container and is erected. 2 to prevent the side wall of the portion where the lateral load or internal pressure is applied to the maximum from protruding outward. .

On the other hand, when only the pallet container is to be transported or stored without storing the storage material, the lock member 5 is required.
8 is unlocked, and one of the tall second side walls 6a located in front and back is rotated and tilted to overlap the upper surface of the bottom plate 2, and then the other tall second side walls 6a are attached. The first side wall member 6b of the short left and right first side wall members 6b is turned over to turn over the second side wall member 6a, and then turned down. And the second side wall body 6 of the second stage
a, and finally, the remaining first side wall body 6b is rotated to overlap the third stage first side wall body 6b.

Here, as described above, when the fourth uppermost first side wall member 6b is superimposed on the third first side wall member 6b, FIG. 3, FIG. 7 to FIG. As shown in the figure, the paragraph 90 formed at both ends of the outer surface of the first side wall 6b of the third stage is formed at both ends of the inner surface of the first side wall 6b of the fourth stage. The inner ridge 62 fits in, and the longitudinal end of the inner ridge 62 closely approaches the stopper 91 provided at the end of the paragraph section 90. Therefore, even when a force (the force in the direction of arrow B in FIG. 3) in which the first side wall member 6b of the upper stage moves in the direction orthogonal to the shaft 7 in the folded state acts on the stopper portion 91, the movement is prevented. The shaft 7 is not subjected to excessive force. Of course, in the present invention, in the folded state, the two first side walls 6b are fitted with the inner ridges 62 and the paragraph sections 90, so that one of the first side walls 6b is fitted in the direction of arrow A in FIG. Even if a deviating force acts, the other first side wall member 6b also bears this force, and as a result, the first side wall member 6b
Of the first side wall 6b is prevented from being applied to the first side wall 6b.

In this case, as shown in FIG.
Is continuously and integrally formed on the surface opposite to the paragraph 90.
By providing the reinforcing ribs 92 parallel to the longitudinal direction, the stopper ribs 91 can be reinforced by the reinforcing ribs 92, and the force of the upper first side wall member 6b to move in the direction orthogonal to the axis 7 is reduced. It can support this even if it is large.

FIG. 23 shows another embodiment of the present invention. In this embodiment, a cushioning member 93 is attached to the surface of the stopper 91 on the side of the paragraph section 90. By attaching the cushioning member 93 to the surface of the stopper portion 91 on the side of the paragraph portion 90 in this manner, a force is exerted on the upper first side wall member 6b to move in the direction orthogonal to the shaft 7, and the stopper Part 9
In order to prevent the movement by 1, the shock can be absorbed by the cushioning member 93.

By the way, the height of the short auxiliary wall 3b is twice the thickness a of the front and rear second side walls 6a, and the height of the tall auxiliary wall 3a. Is the above a ×
2+ (double the height b of the short first side wall body 6b). Therefore, as described above, only the fitting depth at which the inner ridge 62 is fitted to the paragraph portion 90 is 2.
When two tall second side walls 6a and two short first side walls 6b are overlapped on the upper surface of the bottom plate 2, the upper end surface of the tall auxiliary wall 3b is just the uppermost back. Low first
Is lower than the surface that becomes the upper surface when the side wall body 6b is tilted.
By setting the upper end surface of the tall auxiliary wall body 3b lower than the upper surface when the uppermost lower first side wall body 6b is tilted in this way, the upper wall bottom plate 2 can be stably formed. Stack fitting is possible.

Also, the first side wall members 6 located on both left and right sides
The b is provided with a paragraph section 90 and an inner ridge 62, respectively. This is because the second side wall body 6b provided on the left and right inserts the shaft 7 into the bearing section 5 which is long in the vertical direction and opens laterally. The shaft 7 can be moved up and down in the bearing portion 5, so that at the time of folding, one of the left and right first side wall members 6 b is turned down and the other first side wall member 6 b In this case, the inner side of the first side wall body 6b located above the paragraph portion 90 of the first side wall body 6b located below regardless of whichever is lower. Ridge 62
Is fitted, and the longitudinal end of the inner ridge 62 is closely opposed to the stopper 91 provided at the end of the paragraph section 90.

A tall auxiliary wall 3a provided at the front and rear is provided.
Are deeper so that the position of the lower surface portion is lower than the leg fitting grooves 14 provided at portions other than the both ends, respectively. The second side wall body 6a that is taller than the auxiliary wall body 3b
In order to be able to overlap the upper surface portion of the bottom plate 2 in a face-to-face state when the second side wall body 6a is folded down as the first step, or This is because, in any case where the rear tall second side wall body 6a is laid down as the first step, the upper surface of the bottom plate 2 can be faced and overlapped.

In the pallet container of the present invention, the shaft 7 of the side wall member 6 is removed by pulling it out of the opening 55 of the bearing portion 5, and the auxiliary wall member 3 is removed by removing the fixing by the bolt 4.
And only the bottom plate 2 having the fork insertion portion 1 can be used in the same manner as a normal pallet. Further, by providing a bolt insertion hole 13 in the bottom plate 2 having a fork insertion portion 1 as a conventional bottom plate 2, the bottom plate 2 can be easily used as the bottom plate 2 of the pallet container in the present invention. In this case, a drain hole provided in the bottom plate 2 having the conventional fork insertion portion 1 may be used as the bolt insertion hole 13.

In the embodiment shown in the accompanying drawings, an example in which the auxiliary wall 3 is detachably attached to the bottom plate 2 has been described. However, the auxiliary wall 3b having a short height and the auxiliary wall 3a having a high height have been described. Any or all of them may be formed integrally with the bottom plate 2.

[0027]

According to the first aspect of the present invention, as described above, along the pair of opposing sides of the four sides of the upper surface of the rectangular bottom plate having the fork insertion portion for the forklift. A tall auxiliary wall is provided, and a short auxiliary wall is provided along another pair of opposing sides, and the first side wall is pivotally supported on the tall auxiliary wall by an axis. At the same time, the shaft is freely movable in the vertical direction, and the second side wall body is rotatably supported by the shaft on the short auxiliary wall, and the shaft is freely movable in the vertical direction. The first side wall body and the second side wall body are detachably connected,
In the folded state, the two second side walls are superimposed in two steps on the bottom plate, and the two first side walls are superimposed in two steps on the upper second side wall. The first side wall body and the opposing second side wall body can be used as a pallet container by standing up to form a container. When not in use, the second side wall bodies are folded down and stacked on the bottom plate in two steps, The first and second side walls can be folded down and further stacked in two layers to make them compact, and these containers can be assembled and folded with a simple structure. An inner ridge is projected along both axial ends of the inner surface of the side wall body, and the first ridge is formed on both ends of the outer surface of the first side wall in the axial direction over the entire length excluding the axial end. In the state where the side walls of the upper side are overlapped, the paragraph part for the inner ridge of the upper side wall to fit The first side wall of the upper in a state of overlapping a first side wall member at a portion facing the stepped-down portion of the end portion of the shaft side of both axial ends of the outer surface portion of the first side walls while forming Inside
Since the end portion of the side ridge is provided with a stopper portion that is close to and opposed to the stopper portion, the upper first side wall member moves against the stopper portion even when a force that attempts to move in the direction orthogonal to the axis acts in the folded state. Thus, no excessive force acts on the shaft, and the shaft can be prevented from being damaged.

Further, the inner wall of the upper side wall body is placed in a state where the first side wall body is overlapped on the axially opposite ends of the outer side surface of the first side wall body with the portion facing the paragraph on the axial side end. The end of the strip is provided with a stopper which is close to and opposed to the stopper, and a reinforcing rib parallel to the longitudinal direction of the paragraph is provided integrally and continuously on the surface of the stopper opposite to the paragraph. Accordingly, the stopper portion can be reinforced, and even if the first side wall body at the upper stage tends to move in the direction perpendicular to the axis, the first side wall body can reliably support the large force. Does not act, and the shaft portion can be prevented from being further damaged.

Further, in the invention of claim 2, above
In addition to the effect of the invention described in claim 1, a state in which the first side wall body is superimposed on a portion of the outer side surface portion of the first side wall body that faces the paragraph at the axial end at both axial ends. In this configuration, a stopper portion is provided in which the end of the inner ridge of the upper side wall body is close to and opposed, and a cushioning member is attached to a surface of the stopper portion on the side of the paragraph portion. When a force that attempts to move in the direction perpendicular to the direction acts to prevent the movement by the stopper portion, the shock can be absorbed by the cushioning member, and the shock acting on the shaft is alleviated, and the shaft cannot be imposed. The force does not act, and the shaft portion can be prevented from being further damaged.

[Brief description of the drawings]

FIG. 1 is a schematic exploded perspective view of the present invention.

FIG. 2 is a schematic perspective view showing an assembled state of the same.

FIG. 3 is a schematic perspective view of the same folded state.

FIG. 4 is a plan view of the same assembled state.

FIG. 5 is a front view of the same assembled state.

FIG. 6 is a side view of the same assembled state.

FIG. 7 is a plan view of the same folded state.

FIG. 8 is a front view of the same folded state.

FIG. 9 is a cross-sectional view of the above-mentioned folded state.

FIG. 10 is a side view of the above folded state.

FIG. 11 is a partially broken perspective view showing an inner ridge, a paragraph portion, and a stopper portion of the first side wall body of the above.

FIG. 12 is an exploded perspective view showing the connection between the tall auxiliary wall body and the short auxiliary wall body.

FIG. 13 is an exploded perspective view showing the shaft and the bearing unit according to the third embodiment.

FIG. 14 is an exploded sectional view taken along line AA of FIG. 5;

FIG. 15 is an exploded sectional view taken along line BB of FIG. 5;

FIG. 16 is an exploded cross-sectional view taken along line CC of FIG. 5;

FIG. 17 is an exploded cross-sectional view taken along line DD of FIG. 6;

18 is an exploded sectional view taken along line EE of FIG.

FIG. 19 is an exploded sectional view taken along line FF of FIG. 6;

FIG. 20 is a sectional view taken along line GG of FIG. 5;

FIG. 21 is a sectional view taken along line HH of FIG. 5;

FIG. 22 is a sectional view taken along line II of FIG. 5;

FIG. 23 is a perspective view of a portion where a buffer member is provided in a stopper portion according to another embodiment of the present invention.

FIG. 24 is a perspective view of a conventional example in a folded state.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Fork insertion part 2 Bottom plate 3a Tall auxiliary wall 3b Tall auxiliary wall 6a First side wall 6b Second side wall 7 Axis 62 Inner ridge 90 Paragraph section 91 Stopper section 93 Buffer member

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B65D 19/00-19/44

Claims (2)

(57) [Claims] 1. A tall auxiliary wall is provided along a pair of opposing sides of an upper side of a rectangular bottom plate having a fork insertion portion for a forklift, and along another pair of opposing sides. A short auxiliary wall is provided, and the first side wall is rotatably supported by a shaft on the tall auxiliary wall, and the shaft is movable in the vertical direction. The second side wall body is rotatably supported by a shaft and the shaft is vertically movable, and the first side wall body and the second side wall body adjacent to each other in the upright state are detachably connected to each other, In a folded state, the two second side walls are stacked in two steps on the bottom plate, and the two first side walls are stacked in two steps on the upper second side wall, and the inner surface of the first side wall is formed. An inner ridge is projected along both ends in the axial direction of the portion, and an axial side is provided on both ends in the axial direction of the outer surface of the first side wall body. In the state where the first side wall body is overlapped over the entire length excluding the end portion of the first side wall body, a paragraph portion is formed for the inner ridge of the upper side wall body to fit therein, and the outer side surface of the first side wall body is formed in the axial direction. In the state where the first side wall body is superimposed on the section facing the paragraph at the axial end of both ends, the first side wall body in the upper stage is
A stopper is provided in which the ends of the side protrusions are close to each other.
Of the paragraph section
It is characterized by being provided with a reinforcing rib parallel to the longitudinal direction
Pallet containers. 2. Both ends in the axial direction of the outer surface of the first side wall body.
The first side wall is overlapped with the portion facing the paragraph at the axial end.
The ends of the inner ridges of the upper side wall are closely opposed
Stopper section, and loosen the stopper section on the side of the paragraph section.
2. The method according to claim 1, further comprising attaching an impact member.
Pallet containers.