WO2020095367A1

WO2020095367A1 - Collapsible pallet

Info

Publication number: WO2020095367A1
Application number: PCT/JP2018/041229
Authority: WO
Inventors: 泰三平野
Original assignee: 泰三平野
Priority date: 2018-11-06
Filing date: 2018-11-06
Publication date: 2020-05-14

Abstract

[Problem] To provide a collapsible pallet that can be more securely assembled. [Solution] A collapsible pallet 1 formed by assembly, via assembly parts, of bases 10 which extend in the longitudinal direction and which are arranged parallel to each other and formed so that the insides thereof are hollow from one end surface to the other end surface thereof, and base members 20 which extend in a direction intersecting the bases 10 and which are arranged parallel to each other, wherein the assembly parts include holes 11 and projections 21, the base members 20 are assembled with the bases 10 by inserting the projections 21 in the holes 11, holes 13, 22 are provided in the base members 20 and hollow insides of the bases 10, and the base members 20 are fixed to the bases 10 by inserting a shaft body 30 in the holes 13, 22 while inserting the shaft body 30 in the hollow inside, and the collapsible pallet 1 furthermore has blocking means 40 for blocking the end surfaces of the bases 10, and support members 50 for supporting the outer-surface sides of the blocking means 40.

Description

Assembled pallet

TECHNICAL FIELD The present invention relates to a prefabricated pallet, and particularly to a base extending in the longitudinal direction and having a hollow interior from one end surface to the other end surface in the longitudinal direction, and a base material extending in a direction intersecting the base. And a prefabricated pallet formed by assembling.

Many pallets for cargo handling are used in factories and warehouses. An assembling type pallet may be used as this pallet, and as the assembling type pallet, there is one disclosed in Patent Document 1, for example.

That is, the assembly type pallet of Patent Document 1 has a base having a hollow interior from one end surface to the other end surface, and a plate extending in a direction intersecting the base and provided on the upper surface side and the lower surface side of the base table. It is formed by assembling a sheet-shaped base material via an assembling part. That is, in the assembly type pallet, notched holes are formed on the upper surface side and the lower surface side of the base, and the lower surface side of the base material on the upper surface side of the base and the upper surface side of the base material on the lower surface side project. By forming the portion and inserting the hole into the protrusion, the base and the base material are assembled. In the assembly type pallet, holes are provided in the hollow inside of the base and the protrusions of the base material. By inserting the shaft body into each of the holes while inserting the shaft body into the hollow interior, the base material is attached to the base. It is fixed, and the open end surface of the base is closed by an obturator. As a result, the assembly type pallet is provided in which the base and the base material can be separated and can be firmly assembled.

Korean Published Patent Publication 10-2016-0011509

However, in the above-mentioned assembly type pallet, when the obturator is disengaged from the open end surface of the base, the shaft body inserted into the hollow interior may be discharged to the outside, and in such a case, The base material may come off the base and the prefabricated pallet may come apart. In many cases, heavy loads, dangerous substances, poisonous substances, and deleterious substances are placed on the assembling pallet for transportation work. It was strongly desired to provide a pallet that can be used.

The present invention has been made in view of such problems, and an object thereof is to provide an assembling pallet that can be more firmly assembled.

In order to solve the above-mentioned problems, the invention of a prefabricated pallet according to claim 1 extends in the longitudinal direction, and a base whose inside is hollow from one end face to the other end face in the longitudinal direction, and a base. In a prefabricated pallet formed by inserting a shaft body into a hollow inside of a base and a base material extending in a direction intersecting with the base, a closure for closing one open end and the other end of the base. And a support member for supporting the outer surface side of the obturator.

According to the present invention, the obturator for closing the open one end surface and the other end surface of the base and the support member for supporting the outer surface side of the obturator are provided. Is less likely to come off, the shaft inserted into the hollow is rarely discharged to the outside, and the base and the base can be more firmly assembled.

If the obturator has an opening / closing shaft and is formed so as to be openable / closable with respect to the end surface of the base via the opening / closing shaft, the obturator can be easily opened / closed with respect to the end surface of the base. Item 2).

The support member is formed in a plate shape and in a U-shape, and since the support member is supported so as to cover the opening / closing shaft of the obturator on the inner surface side of the intermediate portion which is a U-shaped recess, the opening / closing of the opening / closing tool is prevented. It is possible to prevent the accidental occurrence (Claim 3).

The plurality of bases are arranged in parallel, and the support member is provided on the inner surface side of the U-shaped protrusions protruding from both ends of the intermediate portion and the front surface of the base in the front row of the plurality of bases. If the rear surface of the bases in the last row is supported so as to be sandwiched, it is possible to secure a stable support state of the support member that supports the obturator (claim 4).

The obturator may have a concave recess formed so as to extend in the horizontal direction, an opening / closing shaft may be provided in the concave recess, and a recess at an intermediate portion of the support member may be fitted (claim 5).

If the depth of the concave portion is set to be equal to or larger than the thickness of the support member, the support member can be provided without protruding from the base, so that an external force is applied to the support member. It is possible to prevent the supporting member from falling off from the base (claim 6).

Of the front surface side of the base in the front row and the rear surface side of the base in the last row, the portion supporting the support member is formed in a concave recess, and the depth of the concave recess is equal to or larger than the thickness of the support member. If the dimensions are set, the supporting member can be further provided without protruding from the base (claim 7).

When the first convex portion and the second convex portion are provided on the back surface side of the base material and the base material is assembled to the base, the first convex portion abuts on the front surface of the base, and the second convex portion. If the part contacts the rear surface of the base, the movement of the base material in the front-rear direction is restricted by the first convex portion and the second convex portion, so that the obturator is temporarily removed from the end surface of the base. Thus, even when the shaft inserted in the hollow is discharged to the outside, it is possible to reduce the detachment of the base material from the base (claim 8).

If the opening for inserting the forklift's insert claw is formed in the base and the corners of the opening are formed in a curved shape, the load applied to the prefabricated pallet is distributed at the corners, and as a result, The strength can be improved (claim 9).

The base, the substrate, the obturator, and the support member may be made of aluminum or an aluminum alloy (claim 10).

According to the present invention, it is possible to provide a prefabricated pallet that can be more firmly assembled.

It is a figure which shows the whole structure of the assembly-type pallet which concerns on embodiment of this invention, (a) is a top view, (b) is a side view, (c) is a front view. It is a back view which shows the structure of the back side of the assembly-type pallet. It is a figure which shows the structure of the base of the same assembly-type pallet, (a) is a top view, (b) is a side view, (c) is a front view. It is a figure which shows the structure of the base material of the same assembly-type pallet, (a) is a top view, (b) is a side view, (c) is a rear view, (d) is a front view. It is a figure which expands and shows the structure when the base material of the same assembly-type pallet is attached to a base, (a) is a top view and (b) is a side view. It is a figure which shows the shaft of the same assembly-type pallet, (a) is a top view, (b) is a side view. It is a figure which shows the structure of the obturator of the same assembly-type pallet, (a) is a front view of the obturator which obstruct | occludes the end surface of the base arranged in the center, (b) is a side view which shows the closed state, (c) ) Is a side view showing an open state, (d) is an obturator for closing an end surface of a base arranged in front, and (e) is an obturator for closing an end surface of a base arranged in rear. It is a figure which shows the support member of the assembly type pallet, (a) is a top view, (b) is a left side view, (c) is a right side view, (d) is a front view. It is a top view which shows the assembling method of the assembly-type pallet. It is a top view following FIG. 9 which shows the assembling method of the said assembly-type pallet. It is a top view following FIG. 10 which shows the assembling method of the said assembly-type pallet. It is a figure following FIG. 11 which shows the assembling method of the same assembly-type pallet.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a diagram showing an overall configuration of an assembling pallet according to an embodiment of the present invention, and FIG. 2 is a back view showing a configuration of a back side of the assembling pallet. In the following description, the front side of the bases arranged in parallel is the front side, the opposite side is the rear side, the side where the obturator of the base is provided is the lateral side, and the left and right sides are determined with reference to FIG. 1. ..

The outline of the overall configuration of the assembly-type pallet 1 will be described with reference to these drawings. The assembly-type pallet 1 includes a base 10, a base material 20, a shaft body 30, an obturator 40, and a support member 50. There is. The assembling pallet 1 is formed by assembling a base material 20 on a base 10 via an assembling part. The base 10, the base 20, the shaft 30, the obturator 40, and the support member 50 are formed of aluminum or an aluminum alloy.

As shown in FIG. 3, the base 10 extends in the longitudinal direction and has a box shape in which the inside is formed hollow from one end face to the other end face in the longitudinal direction, and has a substantially rectangular cross section. More specifically, the bases 10 are arranged in three rows so as to be parallel to each other in the front-rear direction.

Holes 11 are provided on the upper surface side (front surface side) and the lower surface side (back surface side) of the base 10. The hole 11 is notched so as to penetrate forward and backward along a direction orthogonal to the extending direction of the base 10, that is, the extending direction (front-back direction) of the base material 20, and is formed in a slit shape.

A projecting piece 12 that projects inward is provided on the end surface side inside the hollow of the base 10, and the projecting piece 12 is provided on each of the upper side and the lower side of the hollow inside of the base 10. The projecting piece 12 of the base 10 is provided with a hole 13.

Concave recesses 14 are formed on the left and right edges on the front surface side of the bases 10 in the front row of the bases 10 and on the left and right edges on the rear surface side of the bases 10 in the last row. The recess 14 becomes a portion supported by the support member 50 by fitting a protrusion 52 of the support member 50, which will be described later, into the recess 14. The depth dimension of the recess 14 is set to be equal to or larger than the thickness dimension of the support member 50. A hole 15 is provided in the recess 14.

An opening 16 is provided in the lower part of the front side and the rear surface of the base 10. The opening 16 is formed so as to penetrate from the front surface to the rear surface of the base 10, and a forklift insertion claw is inserted therein. In the opening 16, the corner portion 16a is formed in a curved shape, more specifically, in an arc shape.

As shown in FIGS. 4 and 5, the base materials 20 have a plate shape, and a plurality of base materials 20 extend in a direction orthogonal to the direction intersecting the base 10 and are arranged in parallel so as to be in parallel. The base material 20 is provided in six rows on the upper surface side of the base 10 and two rows on both sides on the lower surface side.

A plurality of (three) groove portions 20 'are formed on the front surface side of the base material 20 along the extending direction of the base material 20, and the groove portions 20' are articles to be placed on the assembly-type pallet 1. It functions as a slip prevention structure.

Protrusions 21 are provided on the back surface side of the base material 20, that is, on the lower surface side of the base material 20 on the upper surface side and on the upper surface side of the base material 20 on the lower surface side. 11 corresponds to 11 and extends in two rows in a thin plate shape along the extending direction of the base material 20. The protrusion 21 of the base member 20 is provided with a hole 22 at a position corresponding to the hole 13 of the protruding piece 12 of the base 10.

That is, the above-described assembly portion includes the hole 11 of the base 10 and the protrusion 21 of the base material 20, and the hole 11 is fitted into the protrusion 21 to be inserted into the base 10 to form a base material. 20 can be assembled.

It should be noted that a first convex portion 24 and a second convex portion 25 are provided between the two rows of protrusions 21 on the lower surface side of the upper surface side base material 20 and on the upper surface side of the lower surface side base material 20 respectively. There is. That is, when the base material 20 is assembled to the base 10, the first convex portion 24 contacts the front surface of the base 10 in the last row, and the second convex portion 25 of the base 10 in the front row. It is configured to abut the rear surface.

As shown in FIG. 6, the shaft body 30 is formed in a round bar shape and extends in the longitudinal direction of the base 10. By fixing the base body 20 to the base 10 by inserting the shaft body 30 into each of the hole portions 13 and 22 (the hole portion 13 of the base 10 and the hole portion 22 of the base material 20) while inserting the shaft body 30 into the hollow interior. can do. The shaft body 30 is inserted into each of the upper position and the lower position inside the hollow of the base 10.

As shown in FIG. 7, the obturator 40 is formed in a substantially rectangular shape when viewed from the front so as to correspond to the shapes of the open one end surface and the other end surface of the base 10.

The obturator 40 is fitted into the open one end surface and the other end surface of the base 10 to close the end surface, and has an opening / closing shaft 41 extending in the horizontal direction at an intermediate portion in the vertical direction. Is divided into an upper side closing portion 42 and a lower side closing portion 43. As a result, the obturator 40 is formed such that the upper obstruction portion 42 and the lower obstruction portion 43 can be independently opened and closed with respect to the open end surfaces of the upper and lower sides of the base 10. The position of the upper side closing portion 42 corresponds to the position of the shaft body 30 inserted in the upper side, and the position of the lower side closing portion 43 corresponds to the position of the shaft body 30 inserted in the lower side.

On the outer surface side (front side) of the obturator 40, a concave portion 44 is formed so as to penetrate in the horizontal direction at an intermediate portion in the vertical direction, and the opening / closing shaft 41 is provided in the intermediate portion in the vertical direction of the concave portion 44. Is provided. A recess 51 at an intermediate portion of the support member 50, which will be described later, is fitted into the recess 44. In addition, the right side surface (front surface) of the obturator 40 that closes the end surface of the base 10 arranged in the front row, the left side surface of the obturator 40 that closes the end surface of the base 10 arranged in the last row ( Recesses 45 are also formed on the inner surface), and protrusions 52 at both ends of a support member 50 described later are fitted into these recesses 45. The depth dimension of the

recesses

44 and 45 of the obturator 50 is set to be equal to or larger than the thickness dimension of the support member 50.

In addition, the obturator 40 may be configured such that a portion to be inserted and fitted into the end surface of the base 10 is made of an elastic material such as rubber or silicon resin. By forming the obturator 40 in this manner, when closing the end surface of the base 10, it can be fitted while deforming its shape so as to correspond to the shape of the end surface of the base 10.

As shown in FIG. 8, the support member 50 supports the outer surface side (front surface side) of the end surface of the obturator 40 from the outer side. The support member 50 is formed into a plate shape and a U-shape, and is fitted into the

recesses

44 and 45 of the obturator 40 and the recess 14 of the base 10.

That is, the support member 50 supports the opening / closing shaft 41 of the obturator 40 so as to cover the inner surface of the intermediate portion that becomes the U-shaped concave portion 51, and projects from both ends of the intermediate portion. The front surface of the base 10 in the front row and the rear surface of the base 10 in the last row of the plurality of bases 10 are sandwiched and supported by the inner surface of the portion 52. A protrusion 53 is provided on the inner surface side of the U-shaped protrusion 52 of the support member 50, and the protrusion 53 is fitted into the hole 15 formed in the recess 14 of the base 10 to support the support member 50. The member 50 can be fixed to the base 10.

The assembling method of the assembling pallet 1 configured as above will be described as follows.
That is, as shown in FIG. 9, the bases 10 are arranged in the front-rear direction, the projections 21 of the base material 20 are fitted into the holes 11 of the base 10 and inserted, and the base material 20 is assembled to the base 10.

Subsequently, as shown in FIG. 10, the shaft body 30 is inserted into the hole portion 13 of the base 10 and the hole portion 22 of the base material 20 to fix the base material 20 to the base base 10.
Next, as shown in FIG. 11, the obturator 40 is fitted into both end faces of the base 10 to close it. This can prevent the shaft body 30 from being discharged to the outside.

Next, as shown in FIG. 12, the support member 50 is fitted into the

recesses

44 and 45 of the obturator 40 and the recess 14 of the base 10, and the projection 53 of the support member 50 is inserted into the recess 14 of the base 10. By fitting in the hole 15, the assembly type pallet 1 shown in FIG. 1 is formed.

As described above, in the present embodiment, the plurality of bases 10 that extend in the longitudinal direction and that are hollowed out and arranged in parallel from one end face to the other end face in the longitudinal direction are arranged. In the assembly type pallet 1 formed by assembling the plurality of plate-shaped base materials 20 extending in the direction intersecting with the base 10 and arranged in parallel via the assembling part, the assembling part 60 includes The base member 20 is assembled to the base 10 by including the hole 11 and the protrusion 21 and inserting the protrusion 21 into the hole 11, and the holes 13 are formed in the hollow inside of the base 10 and the base member 20, respectively. , 22 are provided, the shaft body 30 extending along the longitudinal direction of the base 10 is inserted into the

holes

13 and 22 while being inserted into the hollow interior, thereby fixing the base material 20 to the base 10, and One open end of the base 10 and Since it has the plurality of obturators 40 that obstruct the other end surface and the support member 50 that supports the outer surface side of the obturator 40, the obturator 40 is unlikely to come off from the end surface of the base 10, and the obturator 40 has a hollow interior. The inserted shaft body 30 is rarely discharged to the outside, and the base 10 and the base material 20 can be assembled more firmly.

Further, the obturator 40 has the opening / closing shaft 41, and is configured to be openable / closable with respect to the end surface of the base 10 while being divided via the opening / closing shaft 41. Can be easily opened and closed. In addition, since the obturator 40 is divided via the opening / closing shaft 41, it is possible to secure the state in which the other is fitted even if one is disengaged, and the shaft 30 is further less discharged to the outside. can do.

Further, the supporting member 50 is formed in a plate shape and a U-shape, and supports the opening / closing shafts 41 of the plurality of obturators 40 so as to cover the inner surface side of the intermediate portion which becomes the U-shaped recess 51. Therefore, it is possible to prevent the opening / closing of the opening / closing tool 40 from being opened and closed unexpectedly.

Furthermore, the support member 50 has a front surface of the base 10 in the front row and a base in the last row of the plurality of bases 10 on the inner surface side of the U-shaped protrusions 52 protruding from both ends of the intermediate portion. Since the back surface of the base 10 is supported so as to be sandwiched, it is possible to secure a stable support state of the support member 50 that supports the obturator 40.

Furthermore, since the depth dimension of the recess 14 of the base 10 is set to be equal to or larger than the thickness dimension of the support member 50, the support member 50 can be provided without protruding from the base 10. As a result, external force is less likely to be applied to the support member 50, and the support member 50 can be prevented from falling off the base 10.

Further, on the front surface side of the bases 10 in the front row and on the rear surface side of the bases 10 in the last row, the portions that support the support member 50 are formed in a concave shape, and the depth dimension of the concave portion is defined as the thickness of the support member 50. Since the size is set to be equal to or larger than the size, the support member 50 can be further provided without protruding from the base 10.

Furthermore, when the first convex portion 24 and the second convex portion 25 are provided on the lower surface side of the base material 20 and the base material 20 is assembled to the base 10, the first convex portion 24 is formed on the base 10. Since the second projection 25 comes into contact with the front surface and the rear surface of the base 10 comes into contact with the front surface, the first projection 24 and the second projection 25 restrict the movement of the base material 20 in the front-rear direction. To be done. Thereby, even if the obturator 40 is detached from the end surface of the base 10 and the shaft body 30 inserted into the hollow interior is discharged to the outside, the base material 20 is less likely to come off from the base 10. can do.

Further, since the corner portion 16a of the opening 16 which functions as an insertion port of the forklift of the base 10 is formed in a curved shape, more specifically, in an arc shape, the load applied to the prefabricated pallet 1 is dispersed at the corner portion. As a result, the strength of the assembly type pallet 1 can be improved.

It is needless to say that the present invention is not limited to the above-described embodiment, and various modifications and applications can be made without departing from the scope of the claims.

That is, in the above-described embodiment, the base material 20 is provided on both the upper surface side and the lower surface side of the base 10. However, the desired effect can be obtained by providing the base material 20 only on the upper surface side. .. Further, the assembly portion is formed by the hole 11 of the base 10 and the protrusion 21 of the base material 20, but the protrusion is formed on the base 10 and the hole is formed on the base material 20 as required. It may be configured as a part.

INDUSTRIAL APPLICABILITY In the present invention, a base that extends in the longitudinal direction and has a hollow interior from one end surface to the other end surface in the longitudinal direction, and a base material that extends in a direction intersecting the base are provided via an assembling portion. Providing a prefabricated pallet that is assembled and assembled, it will greatly contribute to the development of those who manufacture and sell pallets and related industries.

1: Assembled pallet 10: Base 11: Hole 12: Projecting piece 13: Hole 14: Recess 15: Hole 16: Opening 16a: Corner 20: Base material 20 ': Groove 21: Projection 22: Hole Portion 24: First convex portion 25: Second convex portion 30: Shaft body 40: Closure tool 41: Opening / closing shaft 42: Upper side closing portion 43: Lower side closing portion 44, 45: Recessed portion 50: Support member 51: Recessed portion (U-shaped recessed portion of the support member, recessed portion in the middle portion of the support member)
52: protrusion 53: protrusion

Claims

A base extending in the longitudinal direction and having a hollow interior from one end face to the other end face in the longitudinal direction, and a base extending in a direction intersecting the base are hollow inside of the base. In the assembly type pallet formed by inserting the shaft into the
While having an obturator that obstructs the open one end surface and the other end surface of the base,
An assembling type pallet comprising a supporting member for supporting an outer surface side of the obturator.
The assembly type pallet according to claim 1, wherein the obturator has an opening / closing shaft and is formed so as to be openable / closable with respect to an end surface of the base via the opening / closing shaft.
The support member is formed in a plate shape and in a U shape, and supports the opening / closing shaft of the obturator so as to cover the opening / closing shaft on the inner surface side of an intermediate portion that is a U-shaped recess. The assembly type pallet according to claim 1 or claim 2.
A plurality of the bases are arranged in parallel,
The support member includes a front surface of a base in the front row and a rear surface of the base in the last row of the plurality of bases on the inner surface side of the U-shaped protrusions protruding from both ends of the intermediate portion. The assembly type pallet according to claim 3, wherein the assembly type pallet is supported so as to be sandwiched therebetween.
5. The obturator is formed with a concave recess so as to extend in a horizontal direction, the opening / closing shaft is provided in the concave recess, and a recess at an intermediate portion of the support member is fitted into the obturator. Assembled pallet described in.
The assembly type pallet according to claim 5, wherein the depth dimension of the concave portion is set to be equal to or larger than the thickness dimension of the support member.
Of the front surface side of the base in the front row and the rear surface side of the base in the last row, a portion that supports the support member is formed in a concave recess, and the depth dimension of the concave recess is the same as that of the support member. The assembling pallet according to claim 6, wherein the thickness is set to a thickness or more.
A first convex portion and a second convex portion are provided on the back surface side of the base material, and when the base material is assembled to the base, the first convex portion contacts the front surface of the base. The assembly type pallet according to claim 7, wherein the second convex portion abuts on a rear surface of the base.
9. The assembly type pallet according to claim 8, wherein an opening into which a forklift insertion claw is inserted is formed in the base, and a corner portion of the opening is formed in a curved shape.
The assembly type pallet according to claim 9, wherein the base, the base material, the obturator, and the support member are formed of aluminum or an aluminum alloy.