JP3911491B2 - Cargo container - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a cargo container having a lashing rail for locking a lashing belt for fixing cargo on an inner surface.
[0002]
[Prior art]
As a means to fix the cargo loaded in the cargo room such as a truck or trailer, fix the lashing belt fixing bracket that holds the side of the cargo to the lashing rail provided on the side wall of the cargo room, and then tighten the lashing belt There is a way to fix it. In addition, a normal cargo compartment is equipped with a plurality of vertical posts, which are structural members that are sandwiched between interior and exterior walls, spaced apart in the front-rear direction, and the lashing rail is located on the interior side of these vertical posts. It is designed to be installed on the side.
[0003]
The rail body of the lashing rail is formed with a thickness due to the structural necessity to lock the fixing bracket, and rail flanges formed on the upper and lower edges of the rail body are attached to each vertical post. It is designed to be installed with blind rivets or screws.
[0004]
Also, since it is necessary to attach an interior plate for cargo protection as wide as possible to the inner wall of the cargo compartment, it is usually installed so that the interior plate overlaps on the rail flange other than the rail body. It is like that. However, when a lashing rail is installed on the inner surface of a vertical post that is formed on the same plane, a step is formed in the flange portion of the lashing rail by the thickness of the flange plate and the height of the rivet head, and the interior For example, when the plate is made of a hard material, it is difficult to attach the periphery of the lashing rail due to this step.
[0005]
Therefore, a spacer plate with the same thickness as the step of the rail flange is attached to the remaining inner surface of each vertical post, so that the surface other than the lashing rail body is almost flush and the step is eliminated. It was pasted to overlap.
[0006]
[Problems to be solved by the invention]
However, in the installation configuration of the above interior plate, it is necessary to attach the divided spacer plates to each of the vertical posts having several tens per one cargo compartment. From the large number, the weight of the entire cargo compartment, the manufacturing cost and the This is a major factor in increasing production labor.
[0007]
An object of the present invention is to provide a cargo container in which an interior plate can be installed so as to overlap a rail flange portion of a lashing rail without using a spacer plate.
[0008]
[Means for Solving the Problems]
A freight container of the present invention is a freight container having floor materials, front and rear side walls, and a ceiling wall, and forming a freight chamber inside thereof , and a post main body portion having a U-shaped cross section, and the post main body portion A plurality of vertical posts that have post flanges that extend integrally in the front-rear direction from both side edges of the opening. A rail body portion having a stoppable thickness dimension , and an inner side of an offset installation portion formed integrally with both side edge portions of the rail body portion and curved outward on the post flange portion of the vertical post wherein a lashing rail and a rail flange portion which is fixed, and an interior plate installed on the inside of the side wall so as to overlap from inside the rail flange portion, and the interior plate A main wall portion sandwiched between the flange portion, a locking wall portion locked to an inner surface of an edge portion of the interior plate, and a connecting wall portion connecting the main wall portion and the locking wall portion And a joint member that is fitted into an edge of the interior plate, and a fastening member that fastens the interior plate to the post flange portion in a range where the main wall portion of the joint member overlaps. To do.
[0009]
In the freight container of the present invention, the offset installation portion has a shape that is curved outward by a thickness that includes the thickness of the rail flange portion and the thickness of the head inside the fastening member that fixes the rail flange portion. And
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
[0012]
FIG. 1 is an overall perspective view in which a van truck mounted with a cargo container according to an embodiment of the present invention is partially cut away when viewed obliquely from the rear. As shown in FIG. 1, a cargo container 2 mounted on a van truck 1 is a box that forms a cargo chamber 3 inside, and a flooring 5 on which a cargo 4 is placed, positioned below the box. Provided to pass the front wall 6 fixed to the front end of the flooring 5, the rear wall 7 fixed to the rear end of the flooring 5 and provided with a door (not shown), and the upper ends of the front wall 6 and the rear wall 7. And a side wall 9 provided on both the left and right sides of the ceiling wall 8. With such a configuration, the van truck 1 can load the cargo 4 loaded in the cargo container 2 and close the door of the rear wall 7 so that the loaded cargo 4 can be transported while being shielded from the influence of external wind and rain. Yes. In the following, for convenience of explanation, the direction toward the inside of the freight container 2 is defined as the inside direction, and the direction toward the outside is defined as the outside direction. The same applies to the container 2.
[0013]
A lashing rail 10 for fixing cargo is horizontally installed on the inner surface of each side wall 9, and a large number of lashing rails 10 are formed after the cargo 4 is pressed by a lashing belt 12 having a locking buckle 11 (fixing bracket). The locking buckle 11 is locked in the locking groove 13 and further tightened, so that the cargo 4 can be reliably fixed so as not to collapse even when subjected to vibration or impact during transportation.
[0014]
Further, the side wall 9 of the cargo container 2 has a frame structure in order to reduce the weight with necessary durability, and a plurality of vertical posts 14 are installed in parallel inside the side wall 9 so that the exterior plate from the outside. 15 and the interior plate 16 from the inside are sandwiched, and a plurality of hollow chambers are formed between the vertical posts 14. The lashing rail 10 is directly installed on the inner side surface of the vertical post 14, and the interior plates 16 are respectively installed so as to sandwich the upper and lower sides of the lashing rail 10.
[0015]
FIG. 2 is an exploded perspective view of the side wall 9 around the lashing rail 10, and FIG. 3 is a view showing the structure of the side wall 9 around the lashing rail 10 in an installed state, and FIG. FIG. 3B is a cross-sectional view taken along line 3B-3B in FIG. 3A, and FIG. 3C is in FIG. It is sectional drawing along a 3C-3C line.
[0016]
As shown in FIGS. 2 and 3, the elements constituting the periphery of the lashing rail 10 on the side wall of the cargo container 2 include a vertical post 14 arranged along the vertical direction, and a horizontal post orthogonally intersecting the vertical post 14. In the arrangement, the lashing rail 10 installed inside the vertical post 14, the exterior plate 15 installed outside the vertical post 14, and the lashing rail 10 partially overlap each of the upper and lower side edges and inside the vertical post 14. It has an interior plate 16 to be installed, and a joiner 17 as a joint member that is fitted to the edge of the interior plate 16 on the side overlapping the lashing rail 10.
[0017]
The vertical post 14 is a columnar structure that extends in the vertical direction and receives a load such as the ceiling wall 8 of the cargo container 2. Two post flange portions each having a U-shaped channel member arranged horizontally open inward as the post body portion 18 and bent in a right angle from both side edges of the opening portion and extending in the front-rear direction. 19 is integrally formed, and the inner side surface of the post flange portion 19 constitutes a post inner installation surface.
[0018]
The lashing rail 10 is a belt-shaped object extending in the front-rear direction, and has a channel member having a U-shaped cross section arranged vertically open toward the outside as a rail body 20 at the center position in the vertical direction. The two rail flange portions 21 that are bent at right angles from the upper and lower side edges of the opening and extend in the vertical direction are integrally formed. A large number of locking grooves 13 into which the locking buckles 11 can be inserted are formed in the rail main body portion 20 in the front-rear direction, and locking claws 13 a for locking the tips of the locking buckles 11 are formed inside the locking grooves 13. Therefore, the rail body 20 has a shape protruding from the rail flange 21 toward the inside with a thickness dimension. The lashing rails 10 are installed on the vertical posts 14 by the rail flanges 21 being fastened by fastening members 22 such as blind rivets and screws at portions where the post flanges 19 overlap.
[0019]
The exterior plate 15 is a corrugated plate in which a plurality of parallel wave shapes are formed along the front-rear direction, and is installed by being fastened to the outer surface of the post body 18.
[0020]
The interior plate 16 is a plate material having elasticity, and is installed as a buffer plate material that protects when the cargo 4 loaded in the cargo container 2 collides with the side wall 9. Each interior plate 16 sandwiching the lashing rail 10 in the vertical direction is installed so that the joiner 17 is fitted into an edge portion adjacent to the rail main body portion 20 so as to overlap only the rail flange portion 21.
[0021]
The joiner 17 is a channel material having a U-shaped section that is long in the front-rear direction, and has a large width in the vertical direction, and is a belt-like main wall portion 17a sandwiched between the interior plate 16, the post flange portion 19, and the rail flange portion 21. And a belt-like locking wall portion 17b that has a small vertical dimension and is locked to the inner surface of the edge portion of the interior plate 16, and a main wall portion 17a and a locking wall that face the edge surface of the edge portion of the interior plate 16. A band-shaped connecting wall portion 17c that connects both edges of the portion 17b is integrally formed. Each interior plate 16 is secured to the joiner 17 by holding the edge portion by being clamped by the post flange portion 19 in a range X that overlaps only the main wall portion 17a excluding the locking wall portion 17b. It has come to be.
[0022]
As shown in FIG. 3C, at the rail contact position where the post flange portion 19 (post-inner installation surface) is in direct contact with the lashing rail 10, the plate thickness of the rail flange portion 21 and the fastening of a blind rivet or screw or the like. The post flange portion 19 is curved outward by a dimension H corresponding to the thickness of the head inside the member 22, that is, the inner end surface of the fastening member head and the rail contact with the lashing rail 10 installed. An offset installation portion 23 is formed on the post flange portion 19 in such a shape that the inner side surface of the post flange portion 19 in a range other than the position is positioned substantially on the same plane.
[0023]
FIG. 4 shows a comparative example in which the lashing rail 10 is installed on a vertical post 114 (post flange portion 119) that does not have an offset installation portion, and the edge of the interior plate 16 is installed on the rail flange portion 21. 4A is a front view of the periphery of the lashing rail 10 viewed from the inside of the freight container 102, and FIG. 4B is a cross section taken along line 4B-4B in FIG. 4A. 4C is a cross-sectional view taken along line 4C-4C in FIG.
[0024]
In FIG. 4, the post flange portion 119 (post inner installation surface) is not formed with an offset installation portion that curves outward, and the lashing rail 10 is formed on the inner surface formed in the same plane over the entire vertical length direction. is set up. Therefore, in the rail flange portion 21, a step is formed inward from the inner surface of the post flange portion 119 by a dimension H that is the sum of the plate thickness of the rail flange portion 21 and the head height of the fastening member 22.
[0025]
However, on the other hand, since the interior plate 16 is desired to be installed in as wide an area as possible, the post flange portion 119 and the rail flange portion are desired to be installed so as to overlap the rail flange portion 21 that does not come into contact with the locking buckle 11 of the lashing belt 12. If the level difference is formed between 21, installation of the interior plate 16 becomes difficult.
[0026]
Therefore, the spacer plate 124 having the same thickness H as the above step of the rail flange portion 21 is installed on the inner surface of the post flange portion 119 other than the lashing rail installation position to eliminate the step in the rail flange portion 21, and the interior plate 16. Make sure that almost all the surfaces where the Accordingly, the inner plate 16 can be easily installed by being overlapped with the rail flange portion 21 from the inner side regardless of the hardness, and the rail body portion 20 in which the locking groove 13 is formed is exposed. The interior plate 16 is installed in the widest range as it is, and the shock absorbing performance against the collision of the cargo 4 can be secured.
[0027]
However, in the configuration of the above comparative example, such spacer plates 124 are installed on the vertical posts 14 that are installed in large numbers, which causes the total weight of the freight container 102 to be increased by that amount. On the other hand, the cargo load that can be loaded on the cargo container 102 is reduced accordingly. Further, the manufacturing cost is increased due to the large amount of manufacturing labor and necessary material costs due to the installation of many spacer plates 124.
[0028]
On the other hand, in the freight container 2 of the present embodiment shown in FIGS. 2 and 3, the offset installation portion 23 cancels the step dimension H of the rail flange portion 21 so that the entire lashing rail 10 is externally provided. It is installed in an offset position. For this reason, the rail flange portion 21 is also substantially flush with the inner surface of the post flange portion 19 in other ranges, and can be installed in an arrangement in which the interior plate 16 is superimposed on the rail flange portion 21 without installing the spacer plate 124. ing.
[0029]
Therefore, since it is not necessary to install the spacer plate 124, the total weight of the freight container 2 can be greatly reduced by that amount, and the loading load of the freight container 2 can be increased. Further, the manufacturing cost can be greatly reduced by reducing the manufacturing labor and the necessary material cost as much as the installation of the spacer plate 124 is unnecessary.
[0030]
Compared with the above comparative example, the entire lashing rail 10 is located outside in the offset installation portion 23, and the interior plate 16 is located outside as much as the spacer plate 124 is not installed. 2 The dimension in the width direction of the internal cargo chamber 3, that is, the inner width can be increased as a whole, and the capacity of the cargo chamber 3 can be greatly increased. As for this, for example, assuming that the thickness of each spacer plate 124 in the comparative example is 5 mm, the spacer plate 124 is not required as in the present embodiment, so that the inner width is increased by 10 mm on both sides. Thus, this increased amount greatly improves the loading capacity of the freight container 2.
[0031]
It should be noted that the outward bending position of the offset installation portion 23 does not necessarily coincide with the step height H of the rail flange portion 21, and the inner plate 16 is elastically bent even if it is positioned outside with a smaller step size. It is also possible to install to allow. Further, since the inner width of the cargo chamber 3 inside the cargo container 2 is a size that is desired to be large even at 1 mm, the configuration in which the offset installation portion 23 is curved outward with a slight step size is also effective.
[0032]
Also, in the joiner 17 in the present embodiment shown in FIGS. 2 and 3, the width dimension in the vertical direction of the main wall portion 17 a sandwiched between the interior plate 16 and the post flange portion 19 is larger than that in the comparative example. Since it is taken, it will be clamped in the position directly pinched by the post flange part 19 of the other range beyond the offset installation part 23, and the edge part of the interior board 16 can be pressed down reliably. It is like that.
[0033]
The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the scope of the invention. For example, the installation structure of the lashing rail 10 according to the above embodiment is not limited to the application to the container of the wing car, but also to the application to the cargo container 2 that may give vibration or impact to the cargo 4 during transportation. It can be applied to all cargo containers in which the lashing rail 10 is installed, such as a cargo container for aviation or ship that may cause a large shaking or a cargo container that may be placed on an inclined land. It has become.
[0034]
Moreover, in the said embodiment, although only the side wall 9 provided in the right and left both sides of the ceiling wall 8 was used as the side wall in which the lashing rail 10 was installed, it fixed to the front wall 6 fixed to the front end of the flooring 5, and the rear end. The rear wall 7 may also be a side wall on which the lashing rail 10 is installed.
[0035]
Further, the vertical post 14 is not limited to a shape in which the post body 18 having a channel material shape and the post flange portions 19 are integrally formed on both side edges thereof, and may be, for example, a quadrangular prism shape. The lashing rail 10 and the interior plate 16 are installed with the inner side face toward the inside of the post as the post inner installation face.
[0036]
【The invention's effect】
According to the present invention, since the entire lashing rail is offset to the outside in the offset installation portion, the interior plate can be easily overlapped with the rail flange portion of the lashing rail without installing a spacer plate.
[0037]
Further, according to the present invention, the post-inside installation surface other than the offset installation portion and the rail flange portion are substantially flush with each other, and the interior plate can be installed on the rail flange portion while being almost straight without bending.
[0038]
Moreover, according to this invention, since the joint member is clamped in the position pinched | interposed directly between an interior board and the post inner installation surface, the edge part of an interior board can be hold | suppressed reliably.
[Brief description of the drawings]
FIG. 1 is an overall perspective view in which a van truck mounted with a cargo container according to an embodiment of the present invention is partially cut away when viewed obliquely from the rear.
FIG. 2 is an exploded perspective view of a side wall around a lashing rail.
FIG. 3 is a view showing the structure of the side wall around the lashing rail in an installed state, (A) is a front view around the lashing rail viewed from the inside of the cargo container, and (B) is in (A). Sectional drawing along the 3B-3B line, (C) is a sectional view along the 3C-3C line in (A).
4A and 4B are diagrams showing a structure of a side wall around a lashing rail in a comparative example, in which FIG. 4A is a front view around the lashing rail viewed from the inside of the cargo container, and FIG. Sectional drawing along line 4B, (C) is a sectional view along line 4C-4C in (A).
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Van truck 2 Cargo container 3 Cargo compartment 4 Cargo 5 Floor material 6 Front wall 7 Rear wall 8 Ceiling wall 9 Side wall 10 Lashing rail 11 Locking buckle (fixing bracket)
12 Lashing belt 13 Locking groove 13a Locking claw 14 Vertical post 15 Exterior plate 16 Interior plate 17 Joiner (joint member)
17a Main wall portion 17b Locking wall portion 17c Connecting wall portion 18 Post body portion 19 Post flange portion 20 Rail body portion 21 Rail flange portion 22 Fastening member 23 Offset installation portion 102 Cargo container 114 Vertical post 117 Joiner (joint member)
119 Post flange part 124 Spacer plate H Rail flange part height X Joiner locking range

Claims (2)

A cargo container having flooring, front and rear side walls and ceiling wall, and forming a cargo compartment inside;
It has a post body part with a U-shaped cross section and post flange parts that extend integrally in the front-rear direction from both side edges of the opening of the post body part, and is installed in parallel with the vertical direction inside the side wall. With multiple vertical posts ,
A rail main body having a thickness dimension capable of locking a fixing metal fitting of the lashing belt , and formed integrally with both side edges of the rail main body and curved outward on the post flange of the vertical post. A lashing rail provided with a rail flange portion fixed to the inside of the offset installation portion ,
An interior plate installed inside the side wall so as to overlap the rail flange portion from the inside;
A main wall portion sandwiched between the interior plate and the post flange portion, an engagement wall portion that engages with an inner surface of an edge portion of the interior plate, and a connection between the main wall portion and the engagement wall portion A joint member fitted into an edge of the interior plate,
A freight container , comprising: a fastening member that fastens the interior plate to the post flange portion within a range where the main wall portion of the joint member overlaps .   2. The cargo container according to claim 1, wherein the offset installation portion is curved outward by a thickness that is a sum of a thickness of the rail flange portion and a thickness of an inner head of a fastening member that fixes the rail flange portion. A freight container characterized by being.

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