JP2000072145A - Pallet with support - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a pallet with a support which can be easily stacked by a simple operation. SOLUTION: A left support 13 and a right support 15 are provided on both left and right side ends of a rectangular pallet 12 viewed from a plane including an insertion part into which a fork of a fork lift can be inserted, and a rear support 14 is provided on a rear end. The rear support 14 and the left support 13 are fixed to the pallet 12, and a rear end of the right support 15 is coupled with a side end rim of the rear support 14 rotatably around a vertical axial line via a hinge 20. A lock mechanism 21 for locking the rotary support 15 with a side end of the pallet 12 when the rotary support 15 on the right is at a use position is provided between the rotary support 15 and the pallet 12.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pallet with a support.

[0002]

2. Description of the Related Art Generally, a forklift is used to transport heavy loads in a factory. For carrying a load by the forklift, a rectangular pallet having an insertion hole for inserting a fork is used.
This pallet has no supporter,
There are ones in which bar-shaped supports are erected at the four corners, and ones which are provided with a grid-like left and right support, a rear support, and a front support that can be opened and closed.

[0003]

The above-mentioned conventional pallet provided with a lattice-shaped support on three sides is capable of loading and unloading cargo by opening and closing the front support. The pallets can be stacked in a plurality of stages vertically in an empty state where no load is placed. However, since each pallet cannot be stacked, there is a problem that a large space is required to accommodate the pallets.

As a pallet with a support,
In some cases, all four sides of the support are removable from the pallet. However, the pallet cannot be put into the stowed state unless all four sides of the pallet are removed, so that a troublesome operation is required to change the state from the used state to the non-used state and vice versa.

[0005] The present invention has been made in view of such problems existing in the prior art, and has as its object to provide a pallet with support that can easily perform stacking by a simple operation. Is to do.

[0006]

In order to achieve the above object, according to the first aspect of the present invention, left and right sides of a flat rectangular pallet having an insertion portion into which a fork of a forklift can be inserted are provided at left and right edges. A support and a right support are provided, a rear support is provided at a rear edge, the rear support and a left support or a right support are fixed to the pallet, and a rear edge of the right support or the left support is a side edge of the rear support. A lock mechanism is connected to the edge via a hinge mechanism so as to be rotatable about a vertical axis, and when the rotatable support is in a use position, the lock mechanism locks the rotatable support to a side edge of the pallet. It is provided between the pallet and the rotation support.

According to the second aspect of the present invention, in the first aspect, the right support is a rotation support. According to the third aspect of the present invention, in one of the first and second aspects, one side edge of the front support is connected to the front end edge of the rotary support via a hinge mechanism so as to be rotatable around a vertical axis. The other side edge of the support is locked to the front edge of the fixed support via a locking mechanism.

[0008] In the invention described in claim 4, claims 1 to 3 are provided.
In any one of the above, the lock mechanism includes a lock pin projecting laterally from a side wall surface near the front end of the pallet, and a pivotal support rotatable in a vertical direction with respect to a lower end near the front edge of the rotation support. The lock lever includes a lock lever having a concave portion into which the lock pin can be fitted, and a stopper for supporting the lock lever laterally in the unlocked position.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. In FIG. 1, reference numeral 11 denotes an entire pallet with a support, and 12 denotes a pallet integrally formed of a synthetic resin into a flat rectangular shape. A pair of left and right forks (not shown) of a forklift is inserted into four side surfaces. Insertion holes 12a are formed.

A left support 13 and a rear support 14 are mounted on the left upper edge and the rear upper edge of the pallet 12, respectively. A right support 15 as a rotation support is mounted on the right edge of the rear support 14 so as to be able to reciprocate between a use position and a non-use position and to switch positions.

Since the supports 13, 14, and 15 have substantially the same configuration, only the left support 13 will be described, and the same reference numerals will be given to the supports 14 and 15, and description thereof will be omitted.

Between the lower ends of an outer frame 13a formed by bending an elongated pipe having a circular cross section in an inverted U-shape, both ends of a connection frame 13b made of an angle material are fixed by welding. Both ends of horizontal frames 13c to 13c formed of a plurality of strips in the vertical direction are connected to the outer frame 13a in parallel with each other by welding. A pipe portion on the upper side of the outer frame 13,
A plurality of vertical frames 13d to 13d each formed of an elongated round bar are connected to the horizontal frames 13c to 13c and the connection frame 13b in parallel with each other by welding.

The left support 13 has a connection frame 13b at the lower end thereof fastened to a flange formed on the upper left edge of the pallet 12 by a bolt 16 and a nut screwed thereto. The rear support 14 is fastened and fixed to a flange formed on the rear upper edge of the pallet 12 by a bolt 16 and a nut screwed to the connection frame 14b at the lower edge thereof. The two supports 13,
The connecting pieces 17, 18 are connected to the vertical pipe portions adjacent to each other of the outer frames 13a, 14a by welding, and the connecting pieces 17, 18 are fastened and fixed by bolts 19 and nuts screwed thereto. In this way, the supports 13 and 14 are attached and fixed to the left side and the rear side of the pallet 12.

A hinge fitting 20 constituting a hinge mechanism is provided on the right vertical pipe portion of the outer frame 14a of the rear support 14.
Are fixed by welding. A vertical pipe portion of the outer frame 15a of the right support 15 is rotatably gripped by the forked portion of the hinge fitting 20. And right support 1
5 is connected rotatably in a horizontal direction about a vertical axis passing through the center of the vertical pipe portion. In FIG. 1, the right support 15 is held at a use position corresponding to the upper right edge of the pallet 12. The use position of the right pallet 15 is held by the lock mechanism 21.

As shown in FIG. 4A, the lock mechanism 21 includes a lock pin 23 projecting laterally from a right wall surface of the pallet 12 via a mounting plate 22 and a connecting frame 15b of the right support 15. The bracket 24 includes a bracket 24 fixed by welding, and a lock lever 26 connected to the bracket 24 by a shaft 25 so as to be rotatable in a vertical direction. Then, the concave portion 26 of the lock lever 26
The right support 15 can be locked at the use position on the upper right edge of the pallet 12 by engaging a with the lock pin 23. A stopper 27 is attached to the connection frame 15b, and when the lock lever 26 is turned to the unlocked position as shown in FIG.
Is held laterally by the stopper 27.

As shown in FIG.
A bearing 31 is fixed to the front pipe portion of the outer frame 13a by welding.
Are rotatably connected in the up-down direction. That bar 33
A key-shaped hook portion 33a is formed by bending at the tip of the. The hook portion 33a is locked by a locking tube 34 fixed to the front pipe portion of the outer frame 15a of the right support 15 by welding, and is held so that the left and right supports 13, 15 are not displaced to the left and right sides.

Next, the operation of the pallets with support 11 to 11 configured as described above will be described. FIG. 1 shows that the right support 15 is in the use position, the right support 15 is locked to the upper right edge of the pallet 12 by the lock mechanism 21, and the two supports 13, 1 are supported by the bar 33.
An interval of 5 is maintained. In this state, an article to be transported is placed on the upper surface of the pallet 12, and a pair of forks of a forklift is inserted into the insertion holes 12a of the pallet 12, and the pallets 11 with supports are lifted by raising the forks. Can be transported.

When the empty pallet 11 is stored in a warehouse or the like after the transportation of the articles is completed, the bar 33 shown in FIG. 1 is removed from the locking cylinder 34, and the bar 33 is pivoted as shown in FIG. 32
To hang.

Next, the lock lever 26 of the lock mechanism 21
Is rotated about the shaft 25 to release the lock. Thereafter, the right support 14 is pivoted toward the rear support 14 around the hinge fitting 20, and the right support 15 is overlaid on the rear support 14 as shown in FIG. In this state, two sides of the front side and the right side of the four sides of the pallet 12 are opened.
The pallet with support 11 held in another non-use state is placed on the pallet 11 and this operation is repeated to stack a plurality of pallets 11 upward.

The effects of the pallet with support configured as described above are listed together with the configuration. (1) In the above embodiment, the left support 13 and the rear support 14 are fixed on the upper surface of the pallet 12, and the right support 15 is rotated on the right edge of the rear support 14 between the use position and the non-use position. The position can be switched. For this reason, by holding the right support 15 in the non-use position, the plurality of pallets 11 to 11 can be vertically stacked to reduce the storage space.

(2) In the above embodiment, the left support 13 and the rear support 14 are fixed on the upper surface of the pallet 12,
Only one right support 15 can be switched between the use position and the non-use position. Therefore, pallet 1
The operation of switching 1 between the use state and the non-use state can be performed easily and quickly.

(3) In the above embodiment, the lock mechanism 21
Lock pin 23, lock lever 26 and stopper 27
Therefore, the number of parts can be reduced and the structure can be simplified.

(4) In the above embodiment, only the bar 33 is connected to the front edges of the left and right supports 13 and 15.
Since both supports 13 and 15 can be stably held at the use position and the releasing operation of the bar 33 is easy, the preparation operation for the position switching operation of the right support 15 can be quickly performed.

The present embodiment can be embodied with the following modifications. As shown in FIG. 5, the front support 41 is rotatably connected to the front edge of the right support 15 by the hinge mechanism 42. When not in use, right support 1 as shown in FIG.
5 and the front support 41 are folded and superimposed on the rear support 14. A locking lever 44 is provided on the front support 41, and the locking lever 44 is locked by a locking cylinder 44 attached to the left support 13, so that the two supports 13, 41 are held in use.

In this embodiment, in the use state, the supports 13, 14, 1
Since the members 5 and 42 are erected, the state of storing articles can be stabilized.

In the above embodiment, the right support 15 is rotatable. However, the right support 15 may be fixed and the left support 13 may be rotatably connected to the rear support 14. As the supports 13, 14, 15, and 42, a rectangular frame may be simply used, or a flat plate may be welded to the outer frame.

A hinge may be used instead of the hinge fitting 20 as a hinge mechanism. -As shown in FIG. 2, the right support 15 is connected to the rear support 1.
4, a locking hole for locking the base end of the lock lever 26 may be formed on the upper surface of the pallet 12. Further, a mechanism (not shown) such as a pin for locking the front support 41 to the pallet 12 may be provided when the supports 15 and 41 shown in FIG.

In these cases, it is possible to prevent the right support 15 or the supports 15, 41 from being accidentally rotated forward. Technical ideas other than the claims grasped from the embodiment will be described below.

(1) In the first, second, third or fourth aspect,
A pallet with a support that has a locking mechanism that locks the rotation support to the pallet in a folded state. (2) A pallet with a support according to the above technical idea (1), wherein the locking mechanism is configured to lock the lock lever 26 of the lock mechanism 21 to a locking portion such as a concave portion formed on the upper surface of the pallet 12.

[0030]

Since the present invention is configured as described above, it has the following effects. According to the first aspect, stacking can be easily performed by a simple operation.

According to the invention described in claim 2, according to claim 1
In addition to the effects described in (1), after the left hand is gripped by the left hand and the bar is released by the right hand, the lock mechanism can be released, so that the right support can be smoothly switched to the non-use position.

According to the invention described in claim 3, according to claim 1
Alternatively, in addition to the effect of the second aspect, since the supports are provided on the four sides of the pallet in the use state, it is possible to stably store the articles.

According to the fourth aspect of the present invention, the first aspect is provided.
In addition to the effects of the invention described in any one of (1) to (3), the structure can be simplified by reducing the number of parts of the lock mechanism.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a pallet with a support.

FIG. 2 is a perspective view showing an unused state of the pallet with supports.

FIG. 3 is a front view showing a state where pallets with supports are stacked.

FIG. 4A is a front view showing a locked state of a lock mechanism, and FIG. 4B is a front view showing an unlocked state of the lock mechanism.

FIG. 5 is a schematic plan view of a pallet with supports according to another embodiment of the present invention in use.

FIG. 6 is a schematic plan view of a pallet with a support according to another embodiment of the present invention in an unused state.

[Explanation of symbols]

11: Pallet with support, 12: Pallet, 12a
... Fork insertion hole, 13 ... Left support, 13a ... Outer frame, 13b ... Connection frame, 13c ... Horizontal frame, 13d ... Vertical frame, 1
4. Rear support, 14a Outer frame, 14b Connection frame, 1
4c: horizontal frame, 14d: vertical frame, 15: right side support as rotation support, 15a: outer frame, 15b: connecting frame, 15
c: Horizontal frame, 15d: Vertical frame, 16: Bolt, 17: Connection fitting, 18: Connection fitting, 19: Bolt, 20: Hinge fitting as hinge mechanism, 21: Lock mechanism, 22: Mounting plate, 23: Lock Pin, 24 ... bracket, 25 ... axis,
26: lock lever, 26a: concave portion, 31: bearing, 32
... Shaft, 33 ... Bar, 34 ... engaging cylinder, 41 ... Front support, 42 ... Hinge mechanism.

Claims (4)

[Claims] 1. A flat rectangular pallet having an insertion portion into which a fork of a forklift can be inserted, a left support and a right support are provided on both left and right edges of the pallet, and a rear support is provided on a rear edge. A left support or a right support is fixed to the pallet, and a rear edge of the right support or the left support is rotatably connected to a side edge of the rear support via a hinge mechanism around a vertical axis. A pallet with a support, wherein a lock mechanism for locking the rotating support to a side edge of the pallet when the moving support is in a use position is provided between the pallet and the rotating support. 2. The pallet with supports according to claim 1, wherein the right support is a rotary support. 3. The front support according to claim 1, wherein one edge of the front support is rotatably connected to the front end of the rotation support about a vertical axis via a hinge mechanism, and the other side of the front support. A pallet with a support, the edge of which is locked to the front edge of the fixed support via a locking mechanism. 4. The lock mechanism according to claim 1, wherein the lock mechanism is provided with a lock pin protruding in a lateral direction with respect to a side wall surface near a front end of the pallet, and a lock pin near a lower end of a front edge of the rotation support. A pallet with a support, comprising: a lock lever rotatably supported in a vertical direction and having a concave portion into which the lock pin can be fitted, and a stopper for supporting the lock lever laterally at an unlocked position.