JP6842762B2 - Box pallet - Google Patents

Description

The present invention relates to a box pallet.

Conventionally, a box pallet that is assembled and used in an upper opening box shape includes a rectangular bottom panel, a pair of left and right rectangular side wall panels, a rectangular front wall panel, and a rectangular rear wall panel. The front wall panel was configured so that the upper half or the whole could be opened and rocked forward when taking out the contents (see, for example, Patent Document 1).

Registered Utility Model No. 3170925

However, when a plurality of box pallets are stacked one above the other and the upper half or the whole of the front wall panel is opened and rocked in an attempt to take out the contents of the lower box pallet, the strength of the lower box pallet is maintained. There was a risk that the upper box pallet would fall due to the side wall panel swinging to the left or right or the side wall panel being deformed.
Therefore, a cautionary note was given to warn the front wall panel not to open and swing while stacked vertically, but since it is possible to ignore the cautionary note and open and swing the front wall panel, it is possible. There was a risk that the upper box pallet would fall.

Therefore, an object of the present invention is to provide a box pallet capable of preventing the front wall panel of the lower box pallet from opening and swinging in a state where a plurality of box pallets are stacked one above the other.

In order to achieve the above object, the box pallet of the present invention includes a rectangular bottom panel, a pair of left and right rectangular side wall panels, a rectangular front wall panel, and a rectangular rear wall panel. The front wall panel detects that another box pallet is placed from above in a box pallet whose upper half or the whole is configured to be able to open and swing forward when taking out the contents. The detection unit is provided on the side wall panel, and the side wall panel is provided with a lock claw portion that prevents the front wall panel from swinging open based on the detection of the detection unit.
Further, the detection unit is provided so as to be slid up and down from the upper edge of the side wall panel so as to project upward, and is pressed by the other box pallet on which the detection unit is placed so as to slide downward. The lock claw portion is configured to move in the vertical direction as the detection portion slides downward and locks on the front wall panel to prevent the front wall panel from swinging open. It is a thing.

According to the present invention, it is possible to reliably prevent the front wall panel from swinging open in a state where a plurality of box pallets are stacked one above the other. By placing another box pallet from above (with the pallet stacking work), it is possible to automatically prevent the front wall panel from swinging open. There is no need to lock or unlock the lock claws, and it is not adversely affected by human error such as forgetting to operate the lock.

It is a perspective view which shows the embodiment of this invention. It is a main part perspective view which shows the standby state. It is a main part perspective view which shows the locked state. It is a perspective view which shows an example of the detection part and the locking lock claw part. It is a side view which shows the standby state of another embodiment. It is a side view which shows the locked state of another embodiment.

Hereinafter, the present invention will be described in detail based on the illustrated embodiments.
As shown in FIG. 1, the box pallet of the present invention is assembled and used in an upper opening box shape, and has a rectangular bottom panel 1 in a plan view and a pair of left and right rectangular side wall panels 2, 2, a rectangular front wall panel 3, and a rectangular rear wall panel 4.

The upper half of the front wall panel 3 is configured to be able to open and swing forward (front) when taking out the contents, and the whole (upper half and lower half) is forward when taking out the contents. It is configured so that it can be swung open.

The front wall panel 3 has a metal front lower gate portion (front lower net portion) 31 connected to the bottom panel 1 by metal fittings or the like so that it can be tilted and stood up around the center of the horizontal axis (front and rear opening and closing swingable). , The metal front upper gate part (front upper net part) 32 connected to the upper edge part of the front lower gate part 31 so as to swing back and forth by a metal coiled wire, etc., and the front lower gate part 31 in the left-right direction. A pair of left and right front and lower handles 33 and 33 that are slidably provided and have a stopper shaft 33a for preventing the front lower gate portion 31 from swinging open, and a front upper gate portion 32 that is slidably provided in the left-right direction. It is provided with a pair of left and right front upper handles 34, 34 having a stopper shaft 34a for preventing the front upper gate portion 32 from swinging open.

The front lower handle 33 and the front upper handle 34 are moved outward to the left and right, and the tips of the stopper shafts 33a and 34a are provided in the front edge portion 2e of the side wall panel 2 to provide the lower stopper hole 23 and the upper stopper. By inserting the holes 24 into the holes 24, the front wall panel 3 is locked to the side wall panel 2 so that the front lower gate portion 31 and the front upper gate portion 32 are prevented from swinging (opening). It is configured.

Further, by moving the pair of left and right front and upper handles 34 and 34 inward to the left and right, respectively, and pulling out the tips of the stopper shafts 34a and 34a from the pair of left and right upper stopper holes 24 and 24, Only the front upper gate portion 32 is in the unlocked state, and the upper half portion of the front wall panel 3 can be opened and swung.

Further, the front upper gate portion 32 is brought into the unlocked state as described above, and the pair of left and right front and lower handles 33 and 33 are moved inward to the left and right, respectively, and the tips of the stopper shafts 33a and 33a are moved. By pulling out from the pair of left and right lower stopper holes 23, 23, the front lower gate portion 31 is in the unlocked state, and the entire front wall panel 3 (upper half and lower half) can be opened and swung. It is supposed to be.

Then, as shown in FIGS. 1 to 4, the side wall panel 2 is provided with a detection unit 51 for detecting that another box pallet B (see FIG. 3) is placed from above.
The detection unit 51 is provided so as to be slidable up and down from the upper edge portion 2a in the vicinity of the front edge portion 2e of the side wall panel 2 so as to project upward.
When the leg portion Bd of another box pallet B is placed on the upper edge portion 2a of the side wall panel 2, the detection unit 51 is pressed by the leg portion Bb and moves downward.

A lock claw portion 52 that prevents the front wall panel 3 from swinging open based on the detection of the detection portion 51 is provided so as to project forward from the front edge portion 2e of the side wall panel 2 and move vertically.
The lock claw portion 52 moves downward as the detection portion 51 slides downward, and is arranged at a predetermined lock position that can be locked to the horizontal rod 38 forming the net shape of the front wall panel 3. ..

Here, as shown in FIG. 4, the detection unit 51 is the upper end portion of the plate-shaped upper projecting piece portion (vertical portion) 50a of the L-shaped slide member 50 in a side view.
The lock claw portion 52 is a tip portion of a plate-shaped front projecting piece portion (horizontal portion) 50b of the slide member 50. The lock claw portion 52 is an L-shaped hook type that is bent downward.

Here, the plate-shaped base member 59 is fixed to the front upper corner portion and the inner surface side of the side wall panel 2. Then, one end (upper end portion) of the elastic urging member 58 such as a pulling coil spring that always urges upward is attached to the left and right outer projecting piece portions 59d provided on the base member 59.
The other end (lower end) of the elastic urging member 58 is attached to the front projecting piece portion 50b of the slide member 50.

In the standby state in which the detection unit 51 is not pressed from another box pallet B, the slide member 50 is arranged by the elastic urging member 58 so that the detection unit 51 has a predetermined protrusion dimension from the upper edge portion 2a of the side wall panel 2. The lock claw portion 52 is arranged at a predetermined detection standby position (posture), and the lock claw portion 52 is arranged at a predetermined lock standby position (which enables opening / closing and swinging of the front wall panel 3).

Here, the side wall panel 2 is front-positioned for positioning the front position of the leg portion Bd of another box pallet B (see FIG. 3) mounted from above on the upper edge portion 2a near the front edge portion 2e. The protrusion 29 is provided so as to project upward. The detection unit 51 is arranged in the vicinity of the rear side of the front positioning protrusion 29, and reliably corresponds to the leg portion Bd.

Further, as shown in FIG. 4, the upper projecting piece portion 50a of the slide member 50 is arranged between the vertical rods 27, 27 (27C, 27D) arranged in the front-rear direction in order to form the net shape of the side wall panel 2. The pair of vertical rods 27, 27 guides the slide in the vertical direction and prevents the position shift in the front-rear direction.
Further, the upper projecting piece portion 50a is inserted between the pair of left and right upper edge horizontal rods 28 and 28 forming the upper edge portion 2a of the side wall panel 2 to prevent the positional deviation in the left-right direction and in the vertical direction. The slide movement is guided.
Further, the front projecting piece portion 50b is prevented from being displaced in the left-right direction by the vertical rods 27, 27 (27A, 27B) arranged in the front-rear direction and the base member 59 in order to form the net shape of the side wall panel 2. Has been done. In this way, the number of parts is reduced by skillfully utilizing the constituent members (rod members forming the mesh shape) of the side wall panel 2 and the mesh space thereof. In addition, the thickness dimension (horizontal dimension) of the detection unit 51 and the lock claw portion 52 can be reduced so as not to interfere with the storage of the contained items and the transportation of the pallet.

Further, as shown in FIGS. 1 to 3, a plate-shaped cover member 57 that attaches to the base member 59 from the outer surface side (left and right outer side) of the side wall panel 2 is provided. The base member 59 and the cover member 57 sandwich the front upper corner portion of the side wall panel 2 to protect the slide member 50 and the elastic urging member 58 and improve the aesthetic appearance.

Then, when the leg portion Bd of another box pallet B is placed on the upper edge portion 2a of the side wall panel 2, the leg portion Bb presses the detection portion 51 from above, and the slide member 50 is a bullet urging member. It descends against the repulsive force of 58, and the lock claw portion 52 is arranged at a lock position where the lateral rod 38 of the front wall panel 3 can be locked, and can prevent the front wall panel 3 from swinging open. It becomes a locked state.

In this way, with a plurality of box pallets stacked one above the other, the handles 33 and 34 are operated in an attempt to open and swing the upper half or the entire front wall panel 3, and the tips of the stopper shafts 33a and 34a are pressed. Even if the stopper holes 23 and 24 are removed, the lateral rod 38 of the front wall panel 3 (front upper gate portion 32) is locked to the lock claw portion 52 to prevent the front wall panel 3 from swinging open.

Then, when another (upper) box pallet B is lowered (separated from the upper edge 2a of the side wall panel 2), the sliding member 50 is (automatically) moved by the elastic force of the elastic urging member 58. As it rises, the lock claw portion 52 returns to the predetermined lock standby position, and the front wall panel 3 can be opened and swung. Further, the detection unit 51 returns to the predetermined detection standby position.

Next, in another embodiment shown in FIGS. 5 and 6, the detection unit 51 is an upper end portion of a strip-shaped plate-shaped vertical movement member 55 along the vertical direction. The vertical movement member 55 is guided by the vertical rods 27 and 27 and the horizontal rods 28 and 28 for the upper edge in the vertical direction.

The lock claw portion 52 is a tip portion of a strip-shaped plate-shaped rocking member 56 in which a base end portion 56c is pivotally attached to a lower end portion 55b of a vertically moving member 55 with a pivot center L1 horizontally horizontal to the left and right. Front end). The lock claw portion 52 is an L-shaped hook type that is bent upward.

The swing member 56 is pivotally supported by the base member 59 with a pivot center L2 whose front and rear intermediate portions are horizontal to the left and right. In other words, in the swing member 56, the lock claw portion 52 and the base end portion 56c can swing up and down in a seesaw shape with the pivot center L2 as a fulcrum.

Further, in the swing member 56, the lock claw portion 52 is arranged at a predetermined lock standby position and the detection portion 51 is predetermined according to the weight (own weight) of the tip (front) side portion of the pivot center L2. A swing member 56, a vertical movement member 55, and a pivot member (concentric with the pivot center L1) are provided so as to be arranged at the detection standby position.
In other words, in the swing member 56, the moment M1 on the distal end side of the pivot center L2 is set to be equal to or exceed the moment M2 on the proximal end side of the pivot center L2, as shown in FIG. The bullet urging member 58 for returning to the standby position is omitted.

Then, as shown in FIG. 6, when placed on the leg portion Bd of another box pallet B (shown by the alternate long and short dash line in FIG. 6) and the upper edge portion 2a of the side wall panel 2, the leg portion is placed. The detection unit 51 is pressed from above by Bb, the vertical movement member 55 descends, the base end portion 56c of the swing member 56 swings downward around the pivot center L2, and the lock claw portion of the swing member 56. 52 moves upward (swings) around the pivot center L2, and the lock claw portion 52 is arranged at a lock position where the lateral rod 38 of the front wall panel 3 can be locked. It is in a locked state that can prevent open rocking. In this locked state, even if the handle 34 of the front wall panel 3 is operated to open and swing the upper half or the entire front wall panel 3, the lateral rod 38 of the front wall panel 3 is engaged with the lock claw portion 52. It is stopped and the open swing of the front wall panel 3 is prevented. Other configurations and effects are the same as in the above-described embodiment.

Further, in the above-described embodiment, the base member 59 and the cover member 57 are attached so as to sandwich the side wall panel 2, but as another embodiment, the base member 59 and the cover member 57 are attached to a predetermined inside. A thin plate-shaped case member is formed by attaching so as to form a space, the case member is provided with a detection portion 51 and a lock claw portion 52, and is retrofitted to the side wall panel 2 of the existing box pallet (detachable). It may be configured. Other configurations and effects are the same as in the above-described embodiment.

The design of the present invention can be changed, and the detection unit 51 and the lock claw unit 52 are provided on both the left and right side wall panels 2 and 2 in the illustrated example, but may be provided on only one of them. Instead of the vertical rods 27 and 27 for guiding the slide member 50 and the vertical movement member 55 and the horizontal rods 28 and 28 for the upper edge, a guide member may be provided on the base member 59. Further, the base member 59 may be provided with a positioning contact portion so that the slide member 50, the vertical movement member 55, and the swing member 56 are arranged at a predetermined standby position or a predetermined lock position. Alternatively, the positioning contact portion may be formed by a part of a member (horizontal rod 28, vertical rod 27, etc.) forming the side wall panel 2. An elastic urging member 58 such as a tension coil spring or a leaf spring may be provided to return the vertical movement member 55 or the swing member 56 to a predetermined standby position. The bottom panel 1 and the wall panels 2, 3 and 4 are not limited to the net (fence) type shown in the figure, but may be a plate type such as a steel plate. Further, when the front wall panel 3 is a plate type, an opening into which the lock claw portion 52 can be inserted may be provided, and the lock claw portion 52 may be provided so as to be lockable at the opening edge portion of the opening.

Although not shown, the front wall / rear wall panels 3 and 4 and the pair of left and right side wall panels 2 and 2 are placed on the upper surface of the bottom panel 1 so as to overlap each other in the vertical direction before being assembled into the upper opening box shape. It is in a lying down (tilting) posture, and the whole is in a folded laminated state.

The bottom panel 1 is provided with a metal base portion having a rectangular frame shape in a plan view, a horizontal metal bottom net portion fixed to the base portion, and a metal provided in a downward protrusion shape at each of the four corner portions of the base portion. It has a metal leg as an integral part.

The pair of left and right side wall panels 2 are oscillatingly connected to the left and right side edges of the rear wall panel 4 around the vertical axis, and together with the rear wall panel 4 (integrally) toward the upper surface side of the bottom panel 1. In the side wall panel 2 which is in a laid-down (plumb bob) posture, the lower edge portion is oscillatingly connected to each of the left and right side edges of the bottom panel 1 around the front-rear horizontal axis. The left and right side wall panels 2 and 2 may be in a laid-down (side-down) posture on the upper surface side of the bottom panel 1. Further, the U-shaped rod forming the stopper holes 23 and 24 is inserted into the mesh (network hole) of the front wall panel 3 in the upper opening box shape state, and abuts on the vertical rod forming the mesh. It is configured to receive a lateral (horizontal direction) load, and also abuts in the vertical direction on the horizontal rod forming the mesh to suppress the vertical positional deviation of the front wall panels 3 (gate portions 31, 32). ing.

The front wall panel 3 is not limited to the one having the upper and lower split gate structure as described above, but is configured as a single piece, and can be opened and rocked only as a whole (only the upper half part cannot be opened and rocked). It may be configured. Further, the front wall panel 3 may be configured such that only the upper half portion (front upper gate portion 32) can be opened and rocked (the lower half portion cannot be opened and rocked). In addition, the positions and numbers of the handles 33 and 34 and the stopper holes 23 and 24 are free.

The rear wall panel 4 is not limited to a single type, and the upper half or the whole (similar to the front wall panel 3) is configured to be able to open and swing rearward when taking out the contents. Is also good.
When the rear wall panel 4 is configured to be swingable in the upper opening box type state, the detection unit 51 for detecting that another box pallet B is placed from above is mounted on the upper edge of the side wall panel 2. A lock claw portion 52 is provided on the rear edge portion side of the portion 2a, and further, a lock claw portion 52 for preventing the rear wall panel 4 from swinging open is provided so as to project rearward from the rear edge portion of the side wall panel 2.

As described above, the box pallet of the present invention includes a rectangular bottom panel 1, a pair of left and right rectangular side wall panels 2 and 2, a rectangular front wall panel 3, and a rectangular rear wall panel 4. The front wall panel 3 is a box pallet in which the upper half or the whole of the front wall panel 3 can be opened and swung forward when taking out the contents, and another box pallet B is placed from above. A detection unit 51 for detecting the fact is provided on the side wall panel 2, and a lock claw portion on the side wall panel 2 for preventing the front wall panel 3 from swinging based on the detection of the detection unit 51. Since the 52 is provided, it is possible to reliably prevent the front wall panel 3 from swinging open in a state where a plurality of box pallets are stacked one above the other. It is possible to automatically prevent the front wall panel 3 from swinging open as the pallets are stacked. There is no need for a lock operation or unlock operation to operate the lock claw portion 52, and it is not adversely affected by human error such as forgetting to operate the lock operation.

Further, the detection unit 51 is provided so as to be slidable up and down from the upper edge portion 2a of the side wall panel 2 so as to be pushed upward by the other box pallet B placed therein and slide downward. The lock claw portion 52 is configured to move in the vertical direction as the detection portion 51 slides downward, and is locked to the front wall panel 3 to open and swing the front wall panel 3. Since it is configured to prevent it, it can be made into a simple structure by mechanical detection and interlocking, it can be easily manufactured and assembled, and there are few failures.

1 Bottom panel 2 Side wall panel 2a Upper edge 3 Front wall panel 4 Rear wall panel
51 Detector
52 Lock claw B Another box pallet

Claims (2)

A rectangular bottom panel (1), a pair of left and right rectangular side wall panels (2) (2), a rectangular front wall panel (3), and a rectangular rear wall panel (4) are provided. The front wall panel (3) is a box pallet in which the upper half or the whole is configured to be able to open and swing forward when taking out the contents.
A detection unit (51) for detecting that another box pallet (B) is placed from above is provided on the side wall panel (2), and further, the detection unit (51) is provided on the side wall panel (2). A box pallet characterized in that a lock claw portion (52) for preventing the opening and swinging of the front wall panel (3) is provided based on the detection of the above. The detection unit (51) is provided so as to be slidable up and down from the upper edge portion (2a) of the side wall panel (2) so as to project upward, and is pressed downward by another box pallet (B) on which the detection unit (51) is placed. Configured to slide to
The lock claw portion (52) moves in the vertical direction as the detection portion (51) slides downward, and locks on the front wall panel (3) to lock the front wall panel (3). The box pallet according to claim 1, which is configured to prevent the opening and swinging of the.

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