JP7204189B2 - box pallet - Google Patents

Description

The present invention relates to box pallets.

Conventionally, a pallet body having a box-shaped mesh structure with an upper opening (see, for example, Patent Document 1) has a front wall panel with a mesh structure having a gate structure that can be freely opened and closed by swinging back and forth. The front gate lock mechanism has a stopper member with a handle that can be engaged with and disengaged from the panel, and a guide member that holds the stopper member slidably in the left-right direction.

Registered Utility Model No. 3170925

However, in the conventional box pallet described above, as shown in FIG. Since the pallet protrudes forward, it is difficult to place multiple pallet bodies in close proximity or contact with each other in the front-rear direction with high precision when viewed from the side. there were.

SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a box pallet capable of easily and smoothly conveying a pallet body, and capable of being arranged (installed) in the front-rear direction with high accuracy.

The box pallet of the present invention comprises a box-shaped pallet body with an upward opening having a mesh-type front wall panel, a pair of mesh-type left and right side wall panels, a mesh-type rear wall panel, and a bottom panel, The front wall panel has a gate structure in which the upper half or the whole can be opened and closed by swinging back and forth, and a box pallet provided with a front gate lock mechanism on the front surface of the front wall panel that can be freely engaged with and disengaged from the side wall panel. wherein the front wall panel is arranged behind the front edge of the side wall panel so that the front gate lock mechanism does not protrude forward beyond the front edge of the side wall panel. The front gate lock mechanism includes a front stopper member which is slidable in the left-right direction, and holds the front stopper member together with the front wall panel so as to be slidable in the left-right direction and rotatable around the left-right horizontal axis. a gate-shaped front guide member, wherein the front stopper member is made of a metal bar, and has a front shaft portion extending in the lateral direction; and a gate-shaped front shaft portion integrally fixed to the front shaft portion and a front handle portion .
Further, the rear wall panel has a gate structure in which the upper half or the whole thereof can be opened and closed by swinging back and forth, and a rear gate lock mechanism part that can be freely engaged with and detached from the side wall panel is provided on the rear surface of the rear wall panel, The rear wall panel is arranged forward of the rear edge of the side wall panel so that the rear gate lock mechanism does not protrude rearward beyond the rear edge of the side wall panel. is.

According to the present invention, there is no need to pay particular attention to the front gate lock mechanism during transportation, and transportation can be carried out easily and smoothly. A plurality of pallet bodies can be arranged (installed) in a row with high accuracy in the front-rear direction, and is suitable for unmanned transport and distribution equipment. In addition, when drying the vegetables stored in the pallet body by blowing air with a blower, etc., the gap between the front and rear wall panels of the adjacent pallet bodies arranged (installed) in the front-rear direction , the air blown from the side can be reduced or prevented from passing (while escaping), and the vegetables can be dried with high energy efficiency. That is, it is suitable as a box pallet for drying. It has a simple structure and can be manufactured easily (inexpensively).

It is a front view showing an embodiment of the box pallet of the present invention. It is a top view. It is a side view. FIG. 2 is a cross-sectional view taken along the line XX of FIG. 1; It is a side view which shows an example of use condition. It is a principal part cross-sectional side view which shows other embodiment. It is a side view for demonstrating the problem of a prior art.

The present invention will be described in detail below based on the illustrated embodiments.
1 to 4, the box pallet of the present invention comprises a rectangular mesh front wall panel 2, a pair of left and right rectangular mesh side wall panels 3, 3, and a rectangular mesh panel. The pallet body 1 is provided with a mesh-structured pallet body 1 having a rear wall panel 4 and a rectangular mesh-type bottom panel 5 and assembled into a box-like shape with an upper opening. 2, the bottom panel 5 is omitted.

The front wall panel 2 has a plurality of front vertical rods 21 made of metal along the vertical direction and a plurality of front horizontal rods 22 made of metal along the left-right direction. It has a mesh structure (net shape) in which the front horizontal rods 22 are fixed in a grid pattern. The front wall panel 2 is configured so that the upper half can swing forward when taking out the stored items, and the whole (upper half and lower half) can swing open forward when taking out the stored items. configured as possible.

In FIGS. 1 and 4, the front wall panel 2 is attached to a bottom panel 5. Front and lower connecting members such as metal coiled wires are attached to the bottom panel 5 so as to freely open and close (tilt and stand up) forward and backward about a horizontal axis. A front lower gate portion (front lower net portion) 23 pivotally attached (connected) at 29 and a front gate connecting member 28 made of a metal coil-shaped wire on the upper edge of the front lower gate portion 23 allows the front gate portion 23 to swing back and forth. and a front upper gate portion (front upper mesh portion) 24 connected to.

A front gate lock mechanism 6 is provided on the front surface of the front wall panel 2 (the front lower gate portion 23 and the front upper gate portion 24).
In FIG. 1, the front gate lock mechanism 6 includes a front stopper member 61 provided on each of the left and right sides of the front wall panel 2 so as to be slidable in the left and right direction, and a front stopper member 61 which is slidable in the left and right direction and horizontally horizontally. and a gate-shaped front guide member 62 held together with the front wall panel 2 so as to be rotatable around the axis.

The front stopper member 61 is made of a metal bar, and includes a front shaft portion 61a extending in the left-right direction, a gate-shaped front handle portion 61b integrally fixed (by welding) to the front shaft portion 61a, have. The front guide member 62 is made of a metal bar and fixed to the front wall panel 2 .

As shown in FIGS. 1 to 4, the side wall panel 3 has a plurality of vertical metal side wall rods 31 extending in the vertical direction and a plurality of metal side wall horizontal rods 32 extending in the front-rear direction. , a mesh structure (net shape) in which a plurality of side wall vertical rods 31 and a plurality of side wall horizontal rods 32 are fixed in a grid pattern.

The side wall panel 3 has a U-shaped front locking member 34 having a shaft locking portion into which the front shaft portion 61a of the front gate locking mechanism 6 moved laterally outward is inserted on the front edge portion 3a side. I have.
The front locking member 34 has a U-shaped front shaft locking portion inserted into a front mesh hole (front lattice hole) 2g of the front wall panel 2 from the rear to the front. The front shaft portion 61a that slides outward to the left and right is inserted into the front shaft locking portion that protrudes forward from the front wall panel 2, and the front wall panel 2 is locked to the side wall panel 3. Thus, the front wall panel 2 (the front lower gate portion 23 and the front upper gate portion 24) is configured to be locked (prevented) from swinging (opening).

Further, by moving the front shaft portion 61a left and right inward and pulling it out from the front shaft engaging portion, the lock is released and the front wall panel 2 can swing open.
Further, by operating the front shaft portion 61a of the front gate lock mechanism portion 6 (6A) corresponding to the front upper gate portion 24 in the left and right direction, the front upper gate portion 24 (the upper half portion of the front wall panel 2) is locked. , can be opened and closed, and furthermore, by operating the front shaft portion 61a of the front gate lock mechanism portion 6 (6B) corresponding to the front lower gate portion 23 in the left and right direction, the front lower gate portion 23 can be opened. The front wall panel 2 as a whole becomes openable and swingable. That is, the front wall panel 2 has a gate structure in which the upper half and the whole can be opened and closed by swinging.

In addition, the side wall panel 3 has a front positioning member 35 which is inserted into the front mesh hole (front grid hole) 2g of the front wall panel 2 from the rear to the front to position the front wall panel 2 and the side wall panel 3 relative to each other. have.

The tips of the front locking member 34 and the front positioning member 35 are arranged at positions rearward of the front end edge portion 3a (forming the rectangular front side) of the side wall panel 3. As shown in FIG. That is, the side wall panel 3 does not have a projecting portion that projects forward beyond the front edge portion 3a.

Then, the front wall panel 2 is arranged at a position rearward of the front edge portion 3a of the side wall panel 3 and the front edge portion 5a of the bottom panel 5, and the lower edge portion of the front wall panel 2 (the front lower gate portion 23) is 2d is connected (pivoted) to the bottom panel 5 by a front lower connecting member 29 so that it can swing back and forth (tilt and stand up).

That is, as shown in FIGS. 3 and 4, the front gate lock mechanism 6 (the front stopper member 61 and the front guide member 62), the front locking member 34, the front positioning member 35, the front gate connection member 28, and the front lower connection The member 29 is arranged so as not to protrude forward from the front edge portion 3a of the side wall panel 3, the front edge portion 5a of the bottom panel 5, and the front edge surface 8a of the base member 8 (arranged in the front-rear inner position). .

Furthermore, the rear wall panel 4 (similar to the front wall panel 2) has a mesh structure (net shape) in which a plurality of rear vertical rods 41 and a plurality of rear horizontal rods 42 are fixed in a grid pattern. A gate portion 43, a rear upper gate portion 44, a rear lower connecting member 49, and a rear gate connecting member 48 are provided.

A rear gate lock mechanism 7 that can be freely engaged with and disengaged from the side wall panel 3 is provided on the rear surface (outer surface) of the rear wall panel 4 . The rear gate lock mechanism portion 7 has a rear stopper member 71 having a rear shaft portion 71a and a rear handle portion 71b and a rear guide member 72 (similar to the front gate lock mechanism portion 6).

The side wall panel 3 is provided with a U-shaped rear locking member 37 having a shaft locking portion on the side of the rear edge portion 3b (similarly to the side of the front edge portion 3a). The rear locking member 37 has a U-shaped rear shaft locking portion inserted into a rear mesh hole (rear lattice hole) of the rear wall panel 4 from the front to the rear so as to protrude rearward from the rear wall panel 4 . becomes.

Further, a rear gate lock mechanism portion 7 (7A) corresponding to the rear upper gate portion 44 and a rear gate lock mechanism portion 7 (7B) corresponding to the rear lower gate portion 43 are provided. The rear wall panel 4 (similar to the front wall panel 2) has a gate structure in which the upper half and the whole can be opened and closed by swinging.

The side wall panel 3 also has a rear positioning member 38 which is inserted from the front to the rear into the rear mesh hole (rear grid hole) of the rear wall panel 4 to position the rear wall panel 4 and the side wall panel 3 relative to each other. , has.

The front ends (rear ends) of the rear locking member 37 and the rear positioning member 38 are positioned forward of the rear end edge 3b (forming the rear side of the rectangular shape) of the side wall panel 3 . In other words, the side wall panel 3 does not have a protruding portion that protrudes rearward from the rear edge portion 3b.

Then, the rear wall panel 4 is disposed at a position rearward of the rear edge portion 3b of the side wall panel 3 and the rear edge portion 5b of the bottom panel 5, and the lower end of the rear wall panel 4 (rear lower gate portion 43) is arranged. The edge portion 4d is connected (pivotally attached) to the bottom panel 5 by a rear lower connecting member 49 so as to be swingable back and forth (tilt/stand freely).

That is, as shown in FIGS. 3 and 4, the rear gate lock mechanism 7 (the rear stopper member 71 and the rear guide member 72), the rear locking member 37, the rear positioning member 38, the rear gate connection member 48, and the rear lower connection The member 49 is arranged so as not to protrude rearward from the rear edge 3b of the side wall panel 3, the rear edge 5b of the bottom panel 5, and the rear edge 8b of the base member 8 (arranged in the front-rear inward position). ing.

In other words, as shown in FIG. 2, the pallet body 1 is a virtual pallet connecting the front edges 3a, 3a of the pair of side wall panels 3, 3 (indicated by the dashed line in FIG. 2) in plan view. An imaginary pallet body that does not have a portion that protrudes forward from the front side Ka of the main body and that connects the rear end edges 3b, 3b of the pair of side wall panels 3, 3 (indicated by a dashed line in FIG. 2). It is configured so that there is no portion that protrudes rearward from the rear side Kb.

As shown in FIGS. 1, 3, and 4, the bottom panel 5 is mounted and fixed to a base member 8 of a metal frame having a rectangular shape in plan view. The base member 8 has legs 81 (four in total) on the front, rear, left, and right.

Here, as shown in FIG. 6, the lower edge portion 2d of the front wall panel 2 may be L-shaped with the front end facing forward. At a position behind the front edge 5a of the bottom panel 5, a front U-shaped rod member 58 projecting upward is used to form a vertical front guide elongated hole 58a. The front horizontal rod 22 (22f) is vertically slidably inserted into the front guide long hole 58a, and connected to the bottom panel 5 (or the base member 8, although not shown) so as to be tilted and erected ( pivot) is also good. In FIG. 6, the front edge portion 3a of the side wall panel 3 is simplified by a one-dot chain line. Also, the front wall panel 2 in a tilted state (posture) is illustrated by a chain double-dashed line.

Also, although not shown, the lower edge portion 4d of the rear wall panel 4 may be L-shaped with the tip facing rearward. A vertical rear guide elongated hole is formed at a position forward of the rear edge portion 5b of the bottom panel 5 by means of a rear U-shaped rod member protruding upward. The rear horizontal rod 42 may be vertically slidably inserted into the rear guide elongated hole and connected to the bottom panel 5 (or the base member 8) so as to tilt and stand upright.

Next, the method of using the box pallet of the present invention as well as its structure and action will be described.
As shown in FIG. 5, when arranging (arranging) a plurality of pallet bodies 1, 1 in the front-rear direction, the pallet body 1 (1A) at the front position and the pallet body 1 (1B) at the rear position are brought close to each other. Or, they can be arranged in a row in the front-rear direction while being in contact with each other. For example, the pallet main body 1A at the front position and the pallet main body 1B at the rear position can be arranged in line so as to be close to each other by 40 mm or less.

Furthermore, the rear end edge 3b of the side wall panel 3 of the pallet body 1A at the front position, the rear end edge 5b of the bottom panel 5, or the rear end face 8b of the base member 8 are respectively attached to the side wall panel 3 of the pallet body 1B at the rear position. , the front edge portion 5a of the bottom panel 5, or the front end surface 8a of the base member 8. As shown in FIG. Since these parts are suitable for positioning (reference), arranging and loading operations are facilitated, and high-precision and well-balanced stacking becomes possible.
In other words, the rear gate lock mechanism 7 and the rear gate connection member 48 of the pallet body 1A at the front position and the front gate lock mechanism 6 and the front gate connection member 28 of the pallet body 1B at the rear position contact each other ( It is possible to easily stack and line up work without interference.

In this way, the pallet body 1A at the front position and the pallet body 1B at the rear position can be arranged side by side without a gap, so that the box pallet is suitable for drying vegetables and the like.
That is, when air is blown by the blower toward the side wall panel 3 (perpendicularly), a large amount of the blown air is blown into the space with low passage resistance between the pallet body 1A at the front position and the pallet body 1B at the rear position. The flow can be prevented, and a large amount of wind can be sent (applied) to the vegetables housed in the pallet body 1.例文帳に追加Moreover, the vegetables in the pallet body 1A at the front position and the vegetables in the pallet body 1B at the rear position are also close to each other in the front-rear direction, so that the vegetables can be dried efficiently.

Here, as shown in FIGS. 1, 3, and 4, the pedestal member 8 has strip-shaped shielding members 85 made of metal that are fixed in the front-rear direction to hang down at the left and right side edges of the base member 8, respectively. It has
The shielding member 85 has a notch-shaped front escape portion 85a at the lower front corner to prevent interference with the upper edge of the front wall panel 2 of the pallet body 1 at the lower position. It has a notch-shaped rear relief portion 85b for preventing interference with the upper end edge of the rear wall panel 4 of the pallet body 1 at the lower position.

As shown in FIG. 5, when a plurality of pallet bodies 1 are stacked, the upper edge of the side wall panel 3 of the lower pallet body 1 and the lower surface of the pedestal member 8 of the upper pallet body 1 The space can be closed with the shielding member 85, and the air from the blower can be concentrated and sent to the central part of the pallet body 1, thereby improving the energy efficiency.

Furthermore, in the case of drying, although not shown, a plurality of bottom base materials such as iron plates are fixed to predetermined positions (for example, four corners) of the mesh-type bottom panel 5, and the bottom panel 5 is attached from above. The flexible sheet material for the bottom is fixed and laid on the bottom base material so as to cover it (from the inside), and the wind does not escape downward (from the inside of the box pallet body 1 to the outside via the bottom panel 5). It is desirable to configure Alternatively, the bottom panel 5 itself may be made of a flat plate material such as an iron plate.

In the case of drying, although not shown, a plurality of front base members such as iron plates are fixed to the front wall panel 2 at predetermined positions (for example, each of the four corners of the rear surface), and the front wall panel 2 is attached to the inside. The front flexible sheet material is fixed and stretched to the front base member so as to cover from the side (close the front mesh hole), and stretched to the front side (from the inside of the box pallet body 1 through the front wall panel 2 (to the outside) is desirable to be configured so that the wind does not escape.
In the case of drying, although not shown, a plurality of rear base members such as iron plates are fixed to the rear wall panel 4 at predetermined positions (for example, each of the four corners of the front surface), and the rear wall panel 4 is installed inside. The rear flexible sheet material is fixed and stretched to the rear base member so as to cover from the side (close the rear mesh hole), and is stretched to the rear side (from the inside of the box pallet body 1 through the front wall panel 2 (to the outside) is desirable to be configured so that the wind does not escape.
By using the front and rear flexible sheet materials, it is possible to prevent wind from passing through while only the upper halves of the front and rear wall panels 2 and 4 can be opened and closed.
Further, in the front wall/rear wall panels 2 and 4, flat surface plate materials such as iron plates may be attached to the upper and lower halves, respectively. Alternatively, the upper and lower halves of the front and rear wall panels 2 and 4 may be made of a flat plate material such as an iron plate.
Further, strip-shaped flexible sheet materials or strip-shaped plate materials such as strip-shaped steel plates may be attached to the front and rear edges of the pair of side wall panels 3,3. Alternatively, the front side edge and the rear side edge of the pair of side wall panels 3, 3 may be made of a flat plate material such as an iron plate.

In the present invention, the design can be changed, and the front/rear gate connection members 28, 48 and the front/rear/rear/lower connection members 29, 49 are not limited to coil-shaped wire rods, but may be plate-shaped bent connection metal fittings. Also good. The position and direction of the legs 81 of the base member 8 are arbitrary, and for example, the base member 8 shown in the figure may be rotated 90 degrees around the vertical axis.

Although not shown, the pallet body 1 is foldable, and before it is assembled into a box shape with an upward opening, the front and rear wall panels 2, 4 and the pair of left and right side wall panels 3, 3 are connected to each other. It is configured so that it falls down on the upper surface of the bottom panel 5 so as to overlap in the vertical direction and becomes a substantially horizontal flattened (tilted) posture, and the whole is configured to be in a laminated folded storage posture (state).
In addition, the box pallet body 1 forms an outer surface with front and rear wall panels 2, 4 and a pair of side wall panels 3, 3, which are formed in a rectangular shape by welding metal rods (bars) in a grid shape. It has a mesh structure, does not have a pillar portion or a pillar-shaped frame portion protruding upward from the corner portion of the base member 8, and is easy to manufacture.

The front and rear wall panels 2 and 4 are not limited to those having the upper and lower divided gate structure as described above, but are constructed as a single piece and are capable of swinging open only as a whole (open swinging of only the upper half). is not possible). Moreover, the front wall/rear wall panels 2 and 4 may be configured such that only the upper half thereof can swing open (the lower half cannot swing open). In other words, it is sufficient that the upper half or the whole of the gate structure can be opened and closed by swinging back and forth.

The pair of left and right side wall panels 3 has lower side wall connecting members, such as coiled wire rods, which are attached to the left and right side edges of the bottom panel 5 so as to be swingable (upright and tiltable) around the front-rear horizontal axis. It is connected (pivoted) by When the rear wall panel 4 is not openable and closable, a pair of left and right side wall panels 3 are attached to the left and right side edges of the rear wall panel 4 so as to be swingable around the vertical axis. It may be connected by a side wall rear connecting member.

As described above, the box pallet of the present invention has a mesh-type front wall panel 2, a pair of mesh-type left and right side wall panels 3, 3, a mesh-type rear wall panel 4, and a bottom panel 5. The pallet body 1 has an upper opening box type, and the front wall panel 2 has a gate structure in which the upper half or the whole can be opened and closed by swinging back and forth. In a box pallet provided with a front gate lock mechanism 6 that can be engaged and disengaged from the side wall panel 3, the front wall panel 2 is disposed behind the front edge portion 3a of the side wall panel 3, and the side wall panel 3 is Since the front gate lock mechanism 6 does not protrude forward beyond the front edge 3a, there is no need to pay particular attention to the front gate lock mechanism 6 during transportation, which facilitates and It can be transported smoothly. A plurality of pallet bodies 1, 1 can be arranged (arranged) in a row with high accuracy in the front-rear direction, and is suitable for unmanned transportation and distribution equipment. In addition, when the stored vegetables are dried by blowing air from the side with a blower or the like, the air flowing through the gap between the front and rear wall panels 2 and 4 between the pallet body 1 and the pallet body 1 can be reduced. Vegetables can be dried with high energy efficiency. That is, it is suitable as a box pallet for drying. It has a simple structure and can be manufactured easily (inexpensively).

The rear wall panel 4 has a gate structure in which the upper half or the whole thereof can be opened and closed by swinging back and forth. 7, the rear wall panel 4 is disposed forward of the rear edge portion 3b of the side wall panel 3, and the rear gate lock mechanism portion 7 is positioned above the rear edge portion 3b of the side wall panel 3. is configured so as not to protrude rearward, it is possible to prevent damage due to collision with other objects during transportation, and there is no need to pay special attention to the rear gate lock mechanism 7, so that the rear gate lock mechanism 7 can be easily and smoothly transported. can be transported to A plurality of pallet bodies 1, 1 can be arranged in a row in the front-rear direction with good accuracy, and is suitable for unmanned transportation and distribution equipment. In addition, when the stored vegetables are dried by blowing air from the side with a blower or the like, the air flowing through the gap between the front and rear wall panels 2 and 4 between the pallet body 1 and the pallet body 1 can be reduced. Vegetables can be dried with high energy efficiency. That is, it is suitable as a box pallet for drying. It has a simple structure and can be manufactured easily (inexpensively).

1 Pallet Body 2 Front Wall Panel 3 Side Wall Panel 3a Front Edge 3b Rear Edge 4 Rear Wall Panel 5 Bottom Panel 6 Front Gate Lock Mechanism Part 7 Rear Gate Lock Mechanism Part

Claims (2)

An open top box having a mesh front wall panel (2), a pair of left and right mesh side wall panels (3) (3), a mesh rear wall panel (4) and a bottom panel (5). The front wall panel (2) has a gate structure in which the upper half or the entire front wall panel (2) can be opened and closed by swinging back and forth, and the front wall panel (2) has the above-mentioned In a box pallet equipped with a front gate lock mechanism (6) that can be freely engaged with and disengaged from a side wall panel (3),
The front wall panel (2) is disposed rearward of the front edge (3a) of the side wall panel (3) so that the front gate is positioned further than the front edge (3a) of the side wall panel (3). configured so that the lock mechanism (6) does not protrude forward ,
The front gate lock mechanism (6) includes a front stopper member (61) which is slidable in the left-right direction, and a front stopper member (61) which is slidable in the left-right direction and rotatable about a left-right horizontal axis. a gate-shaped front guide member (62) held together with the front wall panel (2),
The front stopper member (61) is made of a metal bar, and includes a front shaft portion (61a) extending in the left-right direction and a gate-shaped front handle portion integrally fixed to the front shaft portion (61a). (61b) and a box pallet. The rear wall panel (4) has a gate structure in which the upper half or the whole thereof can be opened and closed by swinging back and forth,
A rear gate lock mechanism (7) is provided on the rear surface of the rear wall panel (4) and is freely engageable and detachable with the side wall panel (3),
The rear wall panel (4) is arranged forward of the rear edge (3b) of the side wall panel (3) so that the 2. The box pallet according to claim 1, wherein the rear gate locking mechanism (7) is configured so as not to protrude rearward.

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