JPH054644A - Side wall extension of transport container - Google Patents

Abstract

PURPOSE:To produce transport containers by a single metal die without using a plurality of metal dies to produce different transport containers of different heights in order to reduce the production cost by providing the extension member to extend the side wall of the transport container to meet changes in the quantity and height of its contents. CONSTITUTION:An extension member 58 which comprises a mounting part 60, having projecting locking pawls 63 and 65 engageable with the underside of an upper flange 55 or the upper face of a through hole 57 of the side wall 54 of a transport container, provided on the opposed faces of a pair of opposed mounting walls engageable from above compressibly with the side wall 54 thereof and elastically deformable and a main body part 59 projecting upwards from the side wall 54 thereof and capable of supporting the lower peripheral edge of one transport container with the other laid thereon.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an extension member for a side wall of a carrying container used for carrying goods such as rice balls and bread products.

[0002]

2. Description of the Related Art For example, a transport container used for transporting bread products is formed in a box shape having an upper opening. And, according to the amount of bread products to be stored in the transport container,
Alternatively, when the bread products to be stored in the transport container project above the side wall of the transport container when the transport containers are stacked,
Since the lower surfaces of the transport containers stacked on the bread product come into contact with each other, a plurality of various transport containers having different heights are used according to the height of the bread product stored in the transport container.

[0003]

In the above-mentioned prior art, various types of transport containers having different heights are manufactured by separate molds, so that the mold cost is high and the cost is high. . Therefore, an object of the present invention is to reduce the cost by providing an extension member that can extend the side wall of the transport container according to the amount of contents or the height of contents.

[0004]

Means for Solving the Problems The first technical means for achieving the above-mentioned object of the present invention is to mount an upper opening on a side wall of a carrying container, and to mount a side wall of the carrying container. The second technical means is an upper opening-shaped transportation container, which is upwardly protruded from the side wall and is provided with a transportation container and an annular main body having the same shape in plan view. A mounting part mounted on the upper part of the side wall of the carrying container, and a main body part projecting upward from the side wall in a state of being mounted on the side wall of the carrying container and capable of placing the lower peripheral edge side of the carrying container stacked on the upper side of the carrying container. The mounting portion includes a pair of opposing mounting walls that are fitted to the side wall of the transport container from above so as to sandwich the side wall, and at least one opposing surface of these mounting walls has a lower surface side of the locking portion of the transport container side wall. The locking claw that is locked to Is configured, the mounting wall where the locking pawl is formed in that it is freely elastically deformable in the non-opposing side.

[0005]

According to the first aspect of the present invention, when the extension member is attached to the upper portion of the side wall of the carrying container, the main body of the extending member is formed in an annular shape having the same shape as the carrying container in plan view, and the carrying container is provided. Since the side wall of the transport container is projected upward from the side wall, the side wall of the transport container is extended over the entire circumference, and the inner volume of the transport container is increased according to the amount of contents. Therefore, it is not necessary to manufacture various transport containers according to the amount of contents.

According to the second aspect of the present invention, the pair of mounting walls facing each other of the mounting portion of the extension member are fitted on the upper side wall of the carrying container from above so as to sandwich the side wall. Then, when the locking claw passes through the locking part of the side wall of the transport container, the mounting wall elastically deforms to allow the locking claw to pass, and the mounting wall restores and locks on the lower side of the locking part. The claw is locked to the lower surface side of the locking portion, and the extension member is attached. Then, when stacking the transport containers, the lower surface peripheral side of the transport containers to be stacked is placed on the main body of the extension member that is projected upward from the transport container side wall, and the upper and lower transport containers are spaced at appropriate intervals, When the contents protruding from the side wall are accommodated in the transport container and the transport containers are stacked and transported, it is possible to avoid contact of the contents with the lower surface of the stacked transport containers, and therefore, depending on the height of the contents. There is no need to manufacture various transport containers.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 2 show a first embodiment and correspond to claim 1. Reference numeral 1 denotes a transport container made of synthetic resin, which is formed from a bottom wall 2, a pair of long side walls 3 and a pair of short side walls 4 facing each other and having a predetermined height into a rectangular shape in plan view with an upward opening. The bottom wall 2 may be plate-shaped or may be grid-shaped to facilitate ventilation.

Side walls 3 and 4 which face the bottom wall 2 in a substantially upright state.
The lower flange 6 that protrudes outward around the boundary with the bottom wall 2, the upper flange 7 that protrudes outward from the upper side parallel to this, and multiple vertical flanges that connect both flanges 6 and 7. The rib 8 and the rib 8 are integrally formed. The upper flange 7
A plurality of recesses 11 are formed in the inner upper part of each side wall 3 and 4 inside the upper flange 7 by forming holes 10 such as holes at a plurality of positions.
And an engaging portion 12 formed of an outward facing hole or the like is formed in a substantially central portion of the recess 11.

Reference numeral 21 denotes an extension member made of synthetic resin, and a pair of long side walls 23 and a pair of short side walls 24 having opposite heights facing each other form an annular main body having the same shape as the transport container 1 in plan view. Each of the side walls 23, 24 has an upper flange 26 protruding horizontally outward from the upper end thereof, a lower flange 27 parallel to the upper end protruding outward from the lower end, and both peripheral ribs 26, 27.
The vertical ribs 28 that connect the spaces are integrally formed.

At a plurality of lower surfaces of the lower flange 27,
As shown in FIG. 2, a pin 30 that fits into the hole 10 is provided in a protruding manner, and convex portions that fit into the recess 11 are provided at a plurality of lower portions of the side walls 23 and 24 inside the lower flange 27. 31 is projected,
An engaging portion 32 that engages with the engaging portion 12 is provided at a substantially central portion of the convex portion 31. The pin 30, the convex portion 31, and the engaging portion
32 constitutes the mounting part.

Since it is constructed as described above, the pin 30 of the lower flange 27 of the extension member 21 of a desired arbitrary height is fitted into the hole 10 of the upper flange 7 of the carrying container 1 of a predetermined height, and the carrying container 1 is carried. By fitting the convex portion 31 of the extension member 21 into the concave portion 11 of the container 1 and further engaging the engaging portion 32 of the convex portion 31 with the engaging portion 12 of the concave portion 11, it is possible to The extension member 21 can be completely prevented from moving up and down, back and forth, and left and right, and the side walls 3 and 4 of the transport container 1 are extended over the entire circumference to transport the desired height according to the internal volume. A container is obtained.

FIGS. 3 to 5 show a second embodiment. In the first embodiment, the engaging portion 12 and the engaging portion 32 are formed substantially in the center of the recess 11 and the convex portion 31. However, in this example, the engaging portion 12A is formed in the lower part of the recess 11A, and the engaging portion 12A is formed.
The engaging portion 32A for engaging with A is projected from the lower portion of the convex portion 31A, and other points and actions / effects are the same as those in the first embodiment. The same reference numerals are given and omitted.

In FIG. 3, the narrow extension member 21A and the wide extension member 21B are illustrated, and as shown in FIGS. 4 and 5, the carrying container 1 is selected and combined in its width. The width (height) of this extension member may be large, medium, or small, or may be more than that. Further, the upper portion of the extension member may have the same shape as that of the transport container 1, and a plurality of equal width extension members may be sequentially combined to accommodate a desired amount of contents.

6 to 14 show a third embodiment and correspond to claim 2. As shown in FIGS. 6 to 8, the transport container 51 includes a bottom wall 52, a pair of long side walls 53 and a pair of short side walls 54 that face each other. It is formed in a box shape of each side wall 53, 54
The upper flange of the upper flange 55 that protrudes outward in the horizontal direction
However, lower flanges 56 projecting in the same direction as the upper flange 55 are integrally formed at the lower end portion over the entire circumference of the transport container 51. The lower flange 56 is formed wider than the upper flange 55, and each side wall 53, 54 is formed with a large number of through holes 57 for ventilation and weight reduction. Also, the bottom wall 52
Is located below the lower flange 56, and the lower surface of the transport container 51 is stepped on the peripheral side.

As shown in detail in FIGS. 9 to 14, the extension member 58 is formed in a V shape in plan view corresponding to the corner portion of the transport container 51, and the side wall of the transport container 51 is inside the transport container 51. When accommodating the contents protruding from 53, 54 and stacking and transporting the transport container 51, the transport container 51 is attached to the four corners to extend the corner portions of the side walls 53, 54 of the container 51 and It is used to increase the distance between the transport containers 51 so that the lower surface of the upper transport container 51 does not contact the contents of the lower transport container 51.

The extension member 58 is made of synthetic resin (or another member having elasticity), and is composed of an upper main body portion 59 and a lower attachment portion 60. The mounting part 60 is a transport container 51.
A pair of inner and outer mounting walls 61, 62 that are fitted from above so as to sandwich the side walls 53, 54 are provided on the upper portions of the side walls 53, 54 of the main body 59. Has been integrally extended. In addition, the space between the inner and outer mounting walls 61, 62 is formed to be approximately the same width as the width of the upper flange 55 of the portion to be mounted, and the long side wall 54,
Locking claws 63, 64, 65 are provided in a projecting manner at the portions corresponding to the short side walls 53, respectively.

The upper surface of each locking claw 63, 64, 65 is a flat surface in the horizontal direction, and the locking claw 63, 64 of the inner mounting wall 61 is formed in the through hole 57 of the side wall 53, 54 of the transport container 51. It is adapted to abut on the upper surface, and the engaging claw 65 of the outer mounting wall 62 abuts on the lower surface of the upper flange 55, and the through hole 57 with which the engaging claws 63, 64 of the side walls 53, 54 engage. The upper side portion and the protruding end side portion of the upper flange 55 are locking portions 71 and 72, respectively. The inner and outer mounting walls 61, 62 have arcuate sides facing the lower ends, and the protruding side surfaces of the locking claws 63, 64, 65 have arcuate surfaces 66, 67 at the lower ends of the mounting walls 61, 62. The guide surfaces 68, 69, and 70 are inclined toward the upper side of the locking claw from the upper side toward the mounting wall. Therefore, the mounting portion 60 of the extension member 58 is
When the side walls 53, 54 of 51 are fitted from above so that the side walls 53, 54 are sandwiched by the mounting walls 61, 62, the guide surfaces 6 of the locking claws 63, 64, 65 are formed.
8,69,70 are side walls 53,54 Inner end of upper surface or upper flange 55
The mounting walls 61,62 elastically deform to the opposite side by slidingly contacting the corners on the upper surface side, and the upper surfaces of the locking claws 63,64,65 correspond to the corresponding locking parts 71,72.
When the lower side of the lower surface of the mounting wall 61, 62 is restored, the locking claws 63, 64, 65 are locked to the locking portions 71, 72, and the extension member 58
Can be easily installed. To remove the extension member 58, the mounting walls 61 and 62 may be elastically deformed to the opposite side by hand.

The main body 59 of the extension member 58 has its lower end abutted against the upper surface of the upper flange 55 of the side walls 53, 54 while being attached to the side walls 53, 54 of the carrying container 51, and is upward from the side walls 53, 54. The corner portions of the side walls 53, 54 of the transport container 51 are extended by being projected. Then, when the transport containers 51 are stacked, the lower flange 56 of the stackable transport containers 51 is placed on the main body 59, and the upper transport container 51 is separated from the lower transport container 51. . At this time, the four corners of the bottom wall 52 of the upper transporting container 51 are in contact with the inner surface of the upper portion of the main body 59 of the extension member 58 attached to the four corners of the lower transporting container 51 to regulate the position. It

In the structure of the third embodiment, a plurality of sets of extension members 58 having different heights of the main body 59 are prepared so as to correspond to the height of the contents stored in the transport container 51. Therefore, it is better to change it appropriately. If the side walls 53, 54 of the transport container 51 do not have the through holes 57, the locking claw may be only the locking claw 65 formed on the outer mounting wall 62, and the locking claw may be the inner or outer mounting wall 61, 54. It may be formed on at least one of the 62. Further, the extension member 58 is provided on the side wall of the transport container 51.
It may be attached to a portion other than the corners of 53, 54, and the design can be appropriately changed according to the shape of the transport container.

FIG. 15 shows a fourth embodiment, which is an extension member 73.
However, the four extension members in the third embodiment are connected to each other to form a rectangular ring having the same shape as the transport container in plan view, and other configurations are substantially the same as those in the third embodiment. It is said that. 16 and 17 show a fifth embodiment, in which an extension member 75 has a main body portion 76 formed in substantially the same manner as in the first embodiment, and a mounting portion 77 formed in substantially the same manner as in the third embodiment. The same reference numerals are given to the portions corresponding to those in the above-mentioned embodiments, and the description thereof will be omitted. In the illustrated example, the mounting portion 77 is provided corresponding to the corner portion of the main body portion 76, but it may be provided other than the corner portion or over the entire circumference.

[0021]

According to the first aspect of the present invention, by mounting the extension member on the upper side wall of the carrying container, the main body of the extension member is formed in an annular shape having the same shape as the carrying container in plan view. Further, since the side wall of the transport container is projected upward from the side wall of the transport container, the side wall of the transport container can be extended over the entire circumference, and the internal volume of the transport container can be increased according to the amount of the contents. In this case, by attaching the extension member to the upper portion of the side wall of the carrying container, the main body of the extension member is projected upward from the side wall of the carrying container, and then protrudes into the carrying container from the side wall of the carrying container. When accommodating contents and transporting by stacking transport containers, the lower peripheral edge side of the transport containers to be stacked is placed on the main body of the extension member, and the projecting amount of the main body is larger than the projecting amount of the contents. If the bottom of the stacking transport containers Avoids to brought into contact with the contents of the transport container to be overlaid seen, therefore, claim 1 and 2
In any of the above, according to the amount of contents or the height of the contents to be stored in the transport container, as in the past,
It is not necessary to form various types of transport containers having different heights, that is, the transport container can be manufactured by one mold and can be manufactured by extending the extension member, which leads to cost reduction.

Further, according to the second aspect,
The mounting portion of the extension member is fitted to the side wall of the transport container from above so as to sandwich it, and a pair of opposing mounting walls, and the engaging portion of the side wall of the transport container protruding from at least one opposing surface of these mounting walls. The mounting wall is configured to include a locking claw that is locked to the lower surface, and the mounting wall on which the locking claw is formed is elastically deformable to the opposite side. When the locking claws pass through the locking part of the transport container, the mounting wall elastically deforms to the opposite side to allow the locking claw to pass, and the mounting wall is below the locking part. Since the locking claw is restored and locked to the lower surface side of the locking portion, the extension member has an effect of being easily attached and not easily disengaged.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing a first embodiment.

FIG. 2 is an enlarged perspective view of a part of FIG.

FIG. 3 is a partially omitted perspective view showing a second embodiment.

FIG. 4 is an overall front view of a half section showing the assembled state of FIG. 3;

FIG. 5 is an overall front view of a half section showing the assembled state of FIG. 3;

FIG. 6 is an overall front view of a half section showing a second embodiment.

FIG. 7 is a vertical sectional side view of the half of FIG.

FIG. 8 is a plan view of FIG.

FIG. 9 is an enlarged view of a main part of FIG.

10 is an enlarged view of a main part of FIG.

FIG. 11 is a partially enlarged cross-sectional view of a main part of FIG.

FIG. 12 is a partially enlarged cross-sectional view of a main part of FIG.

FIG. 13 is a plan view of the extension member.

FIG. 14 is a bottom view of FIG.

FIG. 15 is a plan view of an extension member showing a fourth embodiment.

FIG. 16 is an overall front view of a half section showing a fifth embodiment.

FIG. 17 is an enlarged view of a main part of FIG.

[Explanation of symbols]

1 Transport container 3 side wall 4 side wall 21 Extension member 30 pin 31 convex 32 Bar 51 shipping container 52 Bottom wall 53 Side wall 54 Side wall 58 Extension member 59 Main body 60 Mounting part 61 Mounting wall 62 Mounting wall 63 Locking claw 64 locking claw 65 Locking claw 71 Lock 72 Lock 73 Extension member 75 Extension member 76 Main body 77 Mounting part

Claims (2)

[Claims] 1. A mounting portion to be mounted on a side wall upper portion of a transport container having an upper opening, and an annular shape having a shape similar to that of the transport container when viewed from above and protruding from the side wall of the transport container. An extension member for a side wall of a carrying container, which comprises a formed main body. 2. A mounting part to be mounted on an upper side wall of a transport container having an upper opening, and a transport container which is mounted on the side wall of the transport container and protrudes upward from the side wall to be stacked above the transport container. A main body capable of mounting the lower surface peripheral side thereof, and the mounting portion includes a pair of opposing mounting walls fitted from above so as to sandwich the side wall of the transport container and at least one of the mounting walls facing each other. A locking claw that is locked to the lower surface side of the locking part of the side wall of the transport container, and the mounting wall on which the locking claw is formed is elastically deformable to the opposite side. An extension member for a side wall of a carrying container.