JP2023039224A - Buckle for baggage tightening and baggage tightening device - Google Patents

Abstract

To provide a buckle for baggage tightening and a baggage tightening device which prevent damage of a connection part and an article, and enable efficient manufacture.SOLUTION: A baggage tightening device 10 includes a buckle 18 for baggage tightening. The buckle 18 for baggage tightening imparts fastening force to a first belt 20 and a second belt 30, and includes a belt fixture 40 and a connection part 42 for connecting the second belt 30 to the belt fixture 40. The connection part 42 has a first annular part 58 to which the second belt 30 is inserted, a second annular part 60 wound around a part of the belt fixture 40, and a coupling part 62. The coupling part 62 is configured by at least doubly folding one connection belt 64, and joining overlapping parts 64a, 64b and 64c by suture as first joining means. A first annular part 58 and a second annular part 60 are configured by a part that the connection belt 64 positioned on both sides across the coupling part 62 is bent in a U shape.SELECTED DRAWING: Figure 1

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cargo tightening buckle for applying a tightening force to a belt when fixing an article to a support using the belt, and a cargo tightening device using the same.

2. Description of the Related Art When transporting an article as luggage, it is common practice to fix the article to the carrier of a vehicle using a belt. In addition, when goods as cargo are stored, it is common practice to fix the goods to cargo handling pallets using belts. In response to these circumstances, conventionally, various cargo fastening devices have been developed for quickly and reliably securing articles, examples of which are disclosed in Patent Documents 1 and 2 below.

A packing device (load fastening device) disclosed in Patent Document 1 includes a horizontal band provided with hook hooks at both ends, a first sliding band provided with a triangular hook at one end, a first It has a French clip that can be clipped to any lengthwise portion of the gliding band, and a second gliding band (connector) for connecting the horizontal band to the French clip. One end of the second gliding band (connecting portion) is double-folded and thermally crimped to form a first annular portion through which the horizontal band is inserted. The other end of the second gliding band (connecting portion) is double-folded and thermally crimped to form a second annular portion that is wound around a portion of the French can.

The cargo fastening belt (load fastening device) disclosed in Patent Document 2 includes a bifurcated belt body having hooks at both ends, a length adjusting belt body having hooks at one end, and a length adjusting belt body having hooks at one end. It has a belt fixture that can be fastened to any lengthwise portion of the length adjustment belt body, and a connecting belt (connection part) for connecting the bifurcated belt body to the belt fixture. One end of the connecting belt (connecting portion) is provided with a metal ring through which the bifurcated belt body is inserted, and the other end of the connecting belt (connecting portion) is a part of the belt fixture. An annulus is provided for wrapping around.

Utility Model Registration No. 3120439 Japanese Patent No. 6289849

However, in the packing device (load fastening device) of Patent Document 1, the connecting portion connecting the first annular portion and the second annular portion in the second sliding band (connecting portion) is configured in a single layer (single layer). Therefore, there is a problem that it is difficult to ensure sufficient rigidity of the connecting portion, and the connecting portion is easily damaged. In addition, since the connecting portion is likely to bend, the ends of the connecting portion in the width direction tend to stand up, and the bent or raised portion may come into contact with the article and damage the article.

On the other hand, in the cargo fastening belt (load fastening device) of Patent Document 2, a metal ring through which the bifurcated belt body is inserted is provided at one end of the connecting belt (connecting portion). There is a possibility that the connecting belt (connecting portion) may be damaged by the force acting on the connecting belt (connecting portion). In addition, since the opening of the ring is oriented perpendicularly to the surface of the article during use, there is a problem that it is difficult to insert the bifurcated belt member into the ring.

SUMMARY OF THE INVENTION An object of the present invention is to provide a cargo fastening buckle and a cargo fastening device that can prevent damage to connecting parts and articles and can be manufactured efficiently.

In order to achieve the above object, the cargo fastening buckle according to the present invention is characterized in that when an article is fixed to a support using wide string-like first and second belts, the first belt and the a belt fastener for applying a tightening force to the second belt, the buckle being configured to be fastened to any portion of the first belt in the longitudinal direction; a connecting portion for connecting the second belt to the belt fixing device, the connecting portion including a first annular portion through which the second belt is movably inserted; and a part of the belt fixing device. It has a second annular portion to be hung and a connecting portion that connects the first annular portion and the second annular portion. The first annular portion and the second annular portion are overlapped and joined by a first joining means, and the connecting belt located on both sides of the connecting portion is connected to the connecting belt. It consists of a portion bent in a U shape.

According to this configuration, the connecting portion of the connecting portion is composed of at least a double-folded portion of the connecting belt, and the overlapped portions are joined by the first joining means to be integrated. Therefore, it is possible to sufficiently secure the rigidity of the connecting portion. Therefore, it is possible to prevent the connecting portion from being damaged, prevent the connecting portion from being bent and the width direction end portion thereof from standing up, and prevent the article from being damaged by the bent or standing portion.

In addition, the first annular portion is formed by bending the connecting belt into a U-shape, and the opening of the first annular portion during use is oriented parallel to the surface of the article. The work of inserting the second belt through the first annular portion can be easily performed. That is, it can be manufactured efficiently. Furthermore, the first annular portion, the second annular portion, and the connecting portion of the connecting portion can be configured simply and inexpensively by one connecting belt and the first joining means.

Another feature of the cargo fastening buckle according to the present invention is that the first joining means includes at least one selected from stitching, adhesion and welding.

According to this configuration, the overlapped portions of the connecting belt can be easily joined using the general-purpose first joining means.

Another feature of the cargo fastening buckle according to the present invention is that it includes a sheet-like first underlay portion configured to cover a surface of the connecting portion facing the article side, and the connecting portion 1 underlay portion and joined to the first underlay portion by a second joining means.

According to this configuration, since the rigidity of the connecting portion can be increased by the first underlay portion, damage to the connecting portion and the article can be more effectively prevented.

Another feature of the cargo fastening buckle according to the present invention is that the first joining means and the second joining means are sewn, and the overlapped portion of the connecting belt and the first underlay portion are sewn together. There is a thing.

According to this configuration, the joining operation using each of the first joining means and the second joining means can be performed in one sewing step, and workability can be improved.

Another feature of the cargo fastening buckle according to the present invention is that the first annular portion is configured to protrude outward from the edge of the first underlay portion.

According to this configuration, the first annular portion can be easily bent when the base portion of the first annular portion is positioned at the corner of the article.

Another feature of the cargo fastening buckle according to the present invention is that it comprises a sheet-like second underlay part configured to cover a surface of the belt fastener facing the article, the first underlay part and The second underlay portion is integrally formed using one continuous sheet-like member.

In this configuration, when the second underlay part is pressed by the belt fixture, movement of the first underlay part integrated with the second underlay part is suppressed, and movement of the connecting part joined to the first underlay part is suppressed. is suppressed. As a result, since the movement of the first annular portion is suppressed, the work of inserting the second belt through the first annular portion can be easily performed.

Another feature of the cargo fastening buckle according to the present invention is that the base of the first annular portion is provided with a crease so as to direct the first annular portion away from the article.

According to this configuration, it is possible to improve the work efficiency of inserting the second belt through the first annular portion simply by forming the crease in the base portion of the first annular portion.

In order to achieve the above object, a cargo fastening device according to the present invention is characterized by comprising a length adjusting belt body, a bifurcated belt body, and any one of the cargo fastening buckles described above. The belt body has the first belt and a first hook provided at one end of the first belt, and the bifurcated belt body has the second belt and one end of the second belt. and a third hook provided at the other end of the second belt.

According to this configuration, the effects of any one of the cargo fastening buckles can be obtained as they are.

(A) is a perspective view showing a usage state of the cargo fastening device according to the first embodiment, and (B) is an enlarged perspective view showing a part of (A). BRIEF DESCRIPTION OF THE DRAWINGS It is a front view which shows the structure of the load fastening apparatus which concerns on 1st Embodiment. (A) is a left side view showing the structure of the length adjusting belt, and (B) is a front view showing the structure of the length adjusting belt. (A) is a left side view showing the configuration of the bifurcated belt body, and (B) is a front view showing the configuration of the bifurcated belt body. (A) is a left side view showing the configuration of the cargo fastening buckle according to the first embodiment, and (B) is a front view showing the configuration of the cargo fastening buckle according to the first embodiment. 1 is a perspective view showing the configuration of a cargo fastening buckle according to a first embodiment; FIG. 1 is an exploded perspective view showing the configuration of a cargo fastening buckle according to a first embodiment; FIG. (A) is a perspective view showing the configuration of a cargo fastening buckle according to a second embodiment, and (B) is a perspective view showing the configuration of a cargo fastening buckle according to a third embodiment. (A) is a perspective view showing the configuration of a cargo fastening buckle according to a fourth embodiment, and (B) is a perspective view showing the configuration of a cargo fastening buckle according to a fifth embodiment.

BEST MODE FOR CARRYING OUT THE INVENTION Hereinafter, embodiments of a cargo fastening buckle and a cargo fastening device according to the present invention will be described with reference to the drawings. The directions of "up, down, left, right, front, and back" used in the following description correspond to the directions indicated by arrows in the drawings.

(Construction of load tightening device)
FIG. 1(A) is a perspective view showing a usage state of the cargo fastening device 10 according to the first embodiment, and FIG. 1(B) is an enlarged perspective view showing a part of FIG. 1(A).

As shown in FIG. 1A, the cargo binding device 10 fixes an article W as cargo to a support 12 when the article W is transported or stored. The support 12 of this embodiment is constructed as a cargo handling pallet for supporting the articles W, and includes a pallet body 12a and a rod-shaped hooked member provided on the side surface of the pallet body 12a and extending in the horizontal direction. 12b. Although only the hooked member 12b provided on the front side surface of the pallet body 12a is shown in FIG. A member (not shown) is provided.

Spaces S1 and S2 into which forks (not shown) of a forklift are inserted are formed inside the pallet body 12a. These spaces S1 and S2 are open to the outside through openings 12c and 12d provided on the left side and right side (not shown) of the pallet body 12a.

The type of the articles W is not particularly limited, and various types of articles W having different shapes and sizes can be fixed by the cargo fastening device 10. It is assumed to be a deformed object with severe unevenness on the surface such as transmissions and transmissions. Further, the support 12 is not limited to a cargo handling pallet, and may be, for example, a loading platform of a vehicle, a loading platform of a hand truck, or the like. Furthermore, the shape, position and number of hooked members 12b may be appropriately changed according to the shape and size of the support 12 and the like.

FIG. 2 is a front view showing the configuration of the cargo fastening device 10. As shown in FIG. 3A is a left side view showing the configuration of the length adjusting belt body 14, and FIG. 3B is a front view showing the configuration of the length adjusting belt body 14. FIG. 4A is a left side view showing the configuration of the bifurcated belt body 16, and FIG. 4B is a front view showing the configuration of the bifurcated belt body 16. FIG. FIG. 5(A) is a left side view showing the configuration of the cargo fastening buckle 18 according to the first embodiment, and FIG. 5(B) is a front view showing the configuration of the cargo fastening buckle 18. As shown in FIG. FIG. 6 is a perspective view showing the structure of the cargo fastening buckle 18. As shown in FIG. FIG. 7 is an exploded perspective view showing the structure of the cargo fastening buckle 18. As shown in FIG.

As shown in FIG. 2 , the cargo binding device 10 includes a length adjusting belt body 14 , a bifurcated belt body 16 and a cargo binding buckle 18 .

The length adjusting belt body 14 shown in FIGS. 3A and 3B cooperates with the bifurcated belt body 16 and the cargo tightening buckle 18 shown in FIG. 1(A) to a support 12, comprising a first belt 20, a protective sleeve 22 and a first hook 24, for adjusting and fixing the article W shown in FIG. there is

The first belt 20 is a long member that is hung on the surface of the article W shown in FIG. 1(A), and is made of a material with high tensile strength, such as nylon and polypropylene, and is formed into a wide cord-like or belt-like shape. . The length of the first belt 20 is determined to be sufficiently longer than the length that can accommodate an assumed standard size article W in order to accommodate articles W of various shapes and sizes.

As shown in FIGS. 3A and 3B, one end 20a of the first belt 20 is provided with a first hook 24, which will be described later, and the other end 20b of the first belt 20 is free. considered to be the end. The other end portion 20b is a portion that is first inserted into the cargo fastening buckle 18 shown in FIG. That is, it is formed to point forward at an acute angle. This shape enhances the working efficiency of the connection work to the cargo fastening buckle 18 (FIG. 2).

The protective sleeve 22 is a member for preventing damage to the first belt 20 due to friction with the article W, and covers the first belt 20 using a material with excellent abrasion resistance such as polyvinyl chloride. It is formed in a cylindrical shape. The inner diameter of the protective sleeve 22 is determined to be large enough to secure a gap between the protective sleeve 22 and the first belt 20 so that the protective sleeve 22 can be freely moved in the longitudinal direction of the first belt 20. It is Although the length of the protective sleeve 22 is not particularly limited, it is set to a length that partially covers the first belt 20 in this embodiment.

The first hook 24 is a member for detachably connecting one end 20a of the first belt 20 to a hooked member (not shown) of the support 12 shown in FIG. , and a gate body 28 . As shown in FIG. 3A, the flat hook main body 26 is formed by bending a metal flat plate into a substantially J-shape, and the base end portion 26a of the flat hook main body 26 has a center portion in the width direction. is formed with a through hole 26b.

The gate body 28 biases the pin body 28a inserted through the through hole 26b and the pin body 28a toward the tip portion 26c of the flat hook body 26 so as to be retractable from the entrance Q of the flat hook body 26. and a spring 28b for When the flat hook main body 26 is hooked on a hooked member (not shown), the pin body 28a is pushed into the through hole 26b against the bias of the spring 28b, and the tip portion 26c of the flat hook main body 26 and the pin are engaged. An inlet Q is opened between the bodies 28a.

The bifurcated belt body 16 shown in FIGS. 4A and 4B cooperates with the length adjusting belt body 14 and the cargo tightening buckle 18 shown in FIG. to the support 12 and has a second belt 30 , a protective sleeve 32 , a second hook 34 and a third hook 36 .

The second belt 30 is a long member that is hung on the surface of the article W shown in FIG. 1(A), and is made of a material with high tensile strength, such as nylon and polypropylene, and is formed into a wide string-like or belt-like shape. . The length of the second belt 30 is set to a length that can effectively hold the article W without causing slack when the article W shown in FIG. 1(A) is fixed to the support 12. . One end 30a of the second belt 30 is provided with a second hook 34, which will be described later, and the other end 30b of the second belt 30 is provided with a third hook 36, which will be described later.

The protective sleeve 32 is a member for preventing damage to the second belt 30 due to friction with the article W, and covers the second belt 30 using a material with excellent abrasion resistance such as polyvinyl chloride. It is formed in a cylindrical shape. The detailed configuration of the protective sleeve 32 is the same as the configuration of the protective sleeve 22 in the length adjusting belt body 14 shown in FIGS. 3(A) and 3(B).

The second hook 34 is a member for detachably connecting one end 30a of the second belt 30 to the hooked member 12b of the support 12 shown in FIG. It has a flat hook body 26 and a gate body 28 like the first hook 24 in the length adjusting belt body 14 shown in B). The third hook 36 is a member for detachably connecting the other end 30b of the second belt 30 to the hooked member 12b of the support 12 shown in FIG. Like the second hook 34, it has a flat hook body 26 and a gate body 28. As shown in FIG.

As shown in FIG. 4A, the second hook 34 and the third hook 36 are configured such that the flat hook bodies 26 face in opposite directions to the second belt 30 . Therefore, when the second belt 30 is bent in a V shape as shown in FIG. The work of hooking the hook 34 and the third hook 36 to the hooked member 12b can be efficiently performed.

The cargo fastening buckle 18 shown in FIGS. 5A and 5B cooperates with the length adjusting belt body 14 and the bifurcated belt body 16 shown in FIG. It is for applying a tightening force to the first belt 20 and the second belt 30 while allowing adjustment, and includes a belt fixture 40, a connecting portion 42, a first underlay portion 44, and a second belt. and an underlay portion 46 .

The belt fixture 40 is a fastener (buckle) configured to be fastened to any portion in the length direction of the first belt 20 shown in FIG. A coil spring 52 is provided.

As shown in FIG. 6, the frame 48 is a member that supports the pressing piece 50 and the torsion coil spring 52 (FIG. 5(A)). and a right side plate portion 48d. An opening X is formed between the front bottom plate portion 48a and the rear bottom plate portion 48b. 54 is bridged.

As shown in FIG. 5A, the pressing piece 50 is a member whose lower surface 50a is knurled, and is rotatably attached to the rotating shaft 54 of the frame 48. As shown in FIG. The torsion coil spring 52 is a member for biasing the pressing piece 50 so as to sandwich the first belt 20 (FIG. 2) between the pressing piece 50 and the rear bottom plate portion 48b of the frame 48. It is provided around the rotary shaft 54 .

When fixing the belt fixture 40 shown in FIG. 2 to an arbitrary portion in the length direction of the first belt 20, the other end 20b of the first belt 20 is inserted into the frame 48 from the opening X shown in FIG. After that, it is inserted from the front to the rear between the pressing piece 50 and the rear bottom plate portion 48b shown in FIG. 5(A). At this time, the pressing piece 50 is pushed up against the force of the torsion coil spring 52, so that the insertion of the first belt 20 is not hindered.

With the belt fixture 40 shown in FIG. 5(A) fastened to an arbitrary portion in the longitudinal direction of the first belt 20 (FIG. 2), the first belt 20 was pulled in the direction opposite to the insertion direction. In some cases, the knurling formed on the lower surface 50a of the pressing piece 50 bites into the upper surface of the first belt 20, thereby preventing the movement of the first belt 20 in the opposite direction. When the upper portion 50b of the pressing piece 50 is pushed down to separate the lower surface 50a of the pressing piece 50 from the upper surface of the first belt 20, the knurling of the upper surface of the first belt 20 is released. Movement in the opposite direction is allowed.

The connecting portion 42 shown in FIG. 2 is a member for connecting the second belt 30 to the belt fixture 40. The first annular portion 58 through which the second belt 30 is movably inserted, and the belt fixture 40 It has a second annular portion 60 that is wound around the front bottom plate portion 48 a ( FIG. 6 ), which is a part, and a connecting portion 62 that connects the first annular portion 58 and the second annular portion 60 .

As shown in FIG. 6 , the connecting portion 62 is a portion (hereinafter referred to as “overlapping portion”) formed by folding one wide string-like connecting belt 64 at least twice (three times in this embodiment). 64a, 64b, and 64c are joined by stitching as a "first joining means". The connecting belt 64 is made of a material with high tensile strength, such as nylon or polypropylene, and is formed into a wide cord-like or belt-like shape. The length of the connecting belt 64 is set to a length that allows the entirety of the first annular portion 58 , the second annular portion 60 and the connecting portion 62 to be formed.

The first annular portion 58 and the second annular portion 60 are formed by bending the connecting belts 64 located on both sides of the connecting portion 62 in a U shape. The inner diameter of the first annular portion 58 is such that the first annular portion 58 is free to move longitudinally along the length of the second belt 30 (FIG. 2). The size is set so that a gap can be secured between them. The inner diameter of the second annular portion 60 is set to a size that allows it to be wrapped around the front bottom plate portion 48 a of the belt fixture 40 .

As shown in FIG. 7, when forming the first annular portion 58, the second annular portion 60, and the connecting portion 62, first, one connecting belt 64 is attached around the front bottom plate portion 48a of the belt fixture 40. By winding, three overlapped portions 64a, 64b, 64c are formed. Subsequently, these overlapped portions 64a, 64b, 64c are joined by stitching as a "first joining means". Note that the stitching as the "first joining means" may be performed in the same process as the stitching as the "second joining means", which will be described later.

As shown in FIG. 5B, a seam 66 formed by sewing as the "first joining means" is a first seam 66a which is square in front view and a diagonal line of the first seam 66a in front view. At the portion where the seam 66 is formed, the three overlapping portions 64a, 64b, 64c shown in FIG. 5(A) are joined and integrated. The connecting portion 62 is configured by this integrated portion. Further, as shown in FIG. 5A, the two overlapping portions 64a and 64b located on the front side of the connecting portion 62 are connected in a U-shape to form the first annular portion 58, and the connecting portion 62 The second annular portion 60 is formed by connecting the two overlapping portions 64a and 64c located on the rear side of the two in a U-shape.

The "first joining means" for joining the three overlapping portions 64a, 64b, 64c of the connecting belt 64 is not limited to sewing, and includes at least one selected from sewing, adhesion and welding. You can For example, adhesion or welding may be used as the "first joining means", or stitching and adhesion may be used in combination.

As shown in FIG. 5A, the first underlay portion 44 is a member configured to cover a surface (lower surface) 62a of the connecting portion 62 facing the article W side, and is made of nylon, polypropylene or polychloride. It is formed in a sheet shape from a material such as vinyl that is flexible and has excellent abrasion resistance.

As shown in FIG. 5B, the shape of the first underlay portion 44 is formed in a quadrangular shape when viewed from the front. The width of the first underlay portion 44 is set wider than the width of the connecting portion 62 , and the length of the first underlay portion 44 is set substantially equal to the length of the connecting portion 62 . Therefore, the first underlay portion 44 does not exist below the first annular portion 58 , and the first annular portion 58 protrudes outward (forward) from the edge 44 a of the first underlay portion 44 . It is configured.

The connecting portion 62 shown in FIGS. 5A and 5B is superimposed on the first underlay portion 44 and joined to the first underlay portion 44 by stitching as a "second joining means". In addition, the "second joining means" is not limited to stitching, and may include at least one selected from stitching, adhesion, and welding. For example, gluing or welding may be used, or suturing and gluing may be used together. In this embodiment, as the “first joining means” and the “second joining means”, stitching that appears as a common seam 66 is used, and overlapping portions 64a, 64b, 64c of the connecting belt 64 and the first underlay portion 44 are used. are sewn together at seam 66 as described above.

As shown in FIG. 7, the second underlay portion 46 includes a sheet-like main body portion 46a configured to cover a surface (lower surface) 40a of the belt fixture 40 facing the article W side, and a belt fixture 40. and a sheet-like extension portion 46b for enlarging the area covering the . The main body portion 46a and the extension portion 46b are made of flexible and wear-resistant materials such as nylon, polypropylene, and polyvinyl chloride.

As shown in FIG. 5B, the main body portion 46a is formed in a square shape when viewed from the front. The width of the main body portion 46 a is determined to be greater than the width of the belt fastener 40 and the same as the width of the first underlay portion 44 , and the length of the main body portion 46 a is greater than the length of the belt fastener 40 . long defined. In this embodiment, the first underlay portion 44 and the main body portion 46a of the second underlay portion 46 are integrally formed using one continuous sheet-like member.

As shown in FIG. 7, the extended portion 46b has a sheet-like first portion 70a and a sheet-like second portion 70b that are square in shape when viewed from the front. The first portion 70a and the second portion 70b of this embodiment are formed to have the same shape and size, and extend in the length direction of the main body portion 46a, that is, the length of the belt fixture 40 so as to cover the main body portion 46a. They are arranged side by side in the direction (front-rear direction).

As shown in FIG. 5B, the length of the extended portion 46b in the length direction (front-rear direction) of the belt fixture 40 is set longer than the length of the belt fixture 40, and the belt at the extended section 46b The length L1 of the portion protruding rearward from the rear end of the fixture 40 is set longer than the vertical length of the rear end of the belt fixture 40 . Therefore, the belt fixture 40 can be covered from behind by bending the protruding portion upward.

As shown in FIG. 5B, the length of the extended portion 46b in the width direction (horizontal direction) of the belt fixture 40 is set longer than the width of the belt fixture 40. The length L2 of the portion protruding leftward from the left end of the tool 40 is set longer than the vertical length of the left end of the belt fixing tool 40 . Therefore, the belt fixture 40 can be covered from the left side by bending the protruding portion upward. The length L3 of the portion of the extended portion 46b protruding rightward from the right end of the belt fixture 40 is set longer than the vertical length of the right end of the belt fixture 40. As shown in FIG. Therefore, the belt fixture 40 can be covered from the right side by bending the protruding portion upward.

As shown in FIG. 7, the first portion 70a and the second portion 70b of the extension portion 46b are joined to the body portion 46a by stitching as a "third joining means". A cut 72 is formed between the portion 70b. The seam 74 formed by sewing as the "third joining means" has a first seam 74a that is square in front view and a second seam 74b that is diagonal to the first seam 74a in front view. , the main body portion 46a and the extension portion 46b are joined and integrated at the portion where the seams 74 are formed. In addition, the "third joining means" is not limited to stitching, and may include at least one selected from stitching, adhesion, and welding. For example, gluing or welding may be used, or suturing and gluing may be used together.

As shown in FIG. 7, when manufacturing the cargo fastening buckle 18, first, one continuous sheet in which the first underlay portion 44 and the body portion 46a of the second underlay portion 46 are integrally formed is manufactured. A shaped member 76 is prepared. Subsequently, the first portion 70a and the second portion 70b constituting the extended portion 46b are superimposed on the main body portion 46a of the second underlay portion 46, and are joined to the main body portion 46a by sewing as the "third joining means". do. After that, the overlapping portions 64a, 64b, 64c of the connecting belt 64 and the first underlay portion 44 are overlapped with each other, and these are joined by stitching as the "first joining means" and the "second joining means" to be integrated. be. Note that FIG. 7 shows a state before being joined by the "first joining means" and the "second joining means", and the seams 66 are not shown.

(Activation of load tightening device)
When fixing the article W to the support 12, the worker first places the article W on the upper surface of the pallet body 12a shown in FIG. 1(A). In addition, the load tightening device 10 in which the length adjusting belt body 14, the forked belt body 16 and the load tightening buckle 18 are connected to each other is prepared, or the length adjusting belt body 14, the forked belt body 16 and The cargo fastening buckles 18 are prepared separately from each other.

In the latter case, the operator connects the length adjusting belt body 14 and the bifurcated belt body 16 to the cargo tightening buckle 18 . Specifically, the first belt 20 (FIG. 2) of the length adjusting belt body 14 is inserted between the pressing piece 50 and the rear bottom plate portion 48b of the belt fixture 40 shown in FIG. 5(A). At the same time, the second belt 30 of the bifurcated belt body 16 is inserted through the first annular portion 58 of the connecting portion 42 shown in FIG. At this time, in order to improve the working efficiency of the fixing work, the length of the portion of the first belt 20 located between the belt fixture 40 and the first hook 24 is made longer than the finally required length. adjust.

Subsequently, as shown in FIG. 1A, the operator hooks the first hook (not shown) of the length adjusting belt member 14 to a hooked member (not shown) provided on the rear surface of the support 12. ), and the second hook 34 and the third hook 36 of the bifurcated belt member 16 are hooked to the hooked member 12 b provided on the front surface of the support 12 . After that, by pulling the other end 20b of the first belt 20 backward, the position of the belt fixture 40 with respect to the first belt 20 is changed, and the belt fixture 40 and the first hook ( (not shown) is shortened. By this operation, a tightening force can be applied to the first belt 20 and the second belt 30, so that the article W can be firmly fixed to the support 12. FIG.

As shown in FIG. 1(A), when the cargo fastening buckle 18 is arranged on the surface of the article W in the vicinity of the protrusion P, the first portion 70a and the second portion constituting the expanded portion 46b By deforming 70b upward, they can be placed between the belt fixture 40 and the projection P. As shown in FIG. Therefore, the belt fixture 40 can be prevented from directly contacting the protrusion P, and damage to the protrusion P can be prevented.

(Effect of Embodiment)
According to this embodiment, the following effects can be obtained by the above configuration. That is, as shown in FIG. 6, the connecting portion 62 of the connecting portion 42 is composed of overlapping portions 64a, 64b, and 64c in which the connecting belt 64 is folded at least twice (three times in this embodiment). In addition, since the overlapping portions 64a, 64b, and 64c are joined by stitching as the "first joining means" to be integrated, the rigidity of the connecting portion 62 can be sufficiently ensured. Therefore, the joint part 62 can be prevented from being damaged, the joint part 62 can be bent and the width direction end part thereof can be prevented from standing up, and the article W can be prevented from being damaged by the bent part or the standing part.

The first annular portion 58 is formed by bending the connecting belt 64 into a U-shape, and the opening of the first annular portion 58 is oriented parallel to the surface of the article W. The operation of inserting the second belt 30 through the first annular portion 58 can be easily performed. Further, the first annular portion 58, the second annular portion 60, and the connecting portion 62 of the connecting portion 42 can be easily and inexpensively configured by one connecting belt 64 and stitching as the "first joining means." .

The overlapping portions 64a, 64b, 64c of the connecting belt 64 can be easily joined using at least one general-purpose "first joining means" selected from sewing, adhesion and welding.

The connecting portion 62 is superimposed on the first underlay portion 44 and is joined to the first underlay portion 44 by stitching as a “second joining means”. It is possible to effectively prevent the connecting portion 62 and the article W from being damaged.

When stitching is used as the "first joining means" and the "second joining means", the overlapping portions 64a, 64b, 64c of the connecting belt 64 and the first underlay portion 44 can be sewn together. can increase

Since the first annular portion 58 is configured to protrude outward from the edge 44a of the first underlay portion 44, when the base portion 58a of the first annular portion 58 is positioned at the corner of the article W, the first The annular portion 58 can be easily bent.

When the second underlay portion 46 is pressed by the belt fixture 40, the movement of the first underlay portion 44 integrated with the second underlay portion 46 is suppressed, and the connecting portion 62 joined to the first underlay portion 44 is prevented from moving. movement is suppressed. As a result, since the movement of the first annular portion 58 is suppressed, the work of inserting the second belt 30 through the first annular portion 58 can be easily performed.

(Modification)
The implementation of the present invention is not limited to the above-described embodiments, and various modifications can be made without departing from the scope of the present invention. For example, in the above embodiment, the first hook 24, the second hook 34 and the third hook 36 are configured similarly, but their shape, size and material may be changed individually. . At least one of the first hook 24 , the second hook 34 and the third hook 36 may not have the gate body 28 , and may be hooked on a hook (not shown) provided on the support 12 . It may be changed to an annular member (not shown).

In the above embodiment, the belt fastener 40 of the cargo tightening buckle 18 shown in FIG. 5A is configured as a spring buckle using the torsion coil spring 52, but the belt fastener 40 may be of another type. It may be configured as a buckle. For example, it may be configured as a ratchet buckle, an overcenter buckle, a cam buckle, a ladder buckle, and the like.

FIG. 8(A) is a perspective view showing the configuration of a cargo fastening buckle 80 according to the second embodiment. As shown in FIG. 6, in the above-described embodiment, the first annular portion 58 is configured to protrude outward (forward) from the edge 44a of the first underlay portion 44. However, as shown in FIG. As with the cargo fastening buckle 80 shown, the first annular portion 58 may be configured to be positioned inward of the edge 44 a of the first underlay portion 44 . In this case, the first annular portion 58 can be protected by the first underlay portion 44 .

8A, the base portion 58a of the first annular portion 58 is provided with a buckle 80 in a direction separating the first annular portion 58 from the article W (FIG. 1A). A crease may be added so that it can be bent. According to this configuration, it is possible to increase the work efficiency of inserting the second belt 30 shown in FIG.

FIG. 8(B) is a perspective view showing the configuration of the cargo fastening buckle 82 according to the third embodiment. As shown in FIG. 6, in the above-described embodiment, the connecting portion 62 is formed by folding the connecting belt 64 three times. For example, like the cargo fastening buckle 82 shown in FIG. 8(B), it may be folded twice, or may be folded four times (not shown).

Further, as shown in FIG. 6, in the above-described embodiment, the second underlay portion 46 has an extended portion 46b, but like the cargo fastening buckle 82 shown in FIG. May be omitted.

FIG. 9A is a perspective view showing the configuration of a cargo fastening buckle 84 according to the fourth embodiment, and FIG. 9B is a perspective view showing the configuration of a cargo fastening buckle 86 according to the fifth embodiment. be. As shown in FIG. 5A, in the above-described embodiment, the first underlay portion 44 is provided so as to cover the surface (lower surface) 62a of the connecting portion 62 facing the article W side, and the belt is fixed. A second underlay portion 46 is provided so as to cover the surface (lower surface) 40a of the tool 40 facing the article W side, but these may be omitted. For example, only the first underlay portion 44 may be provided and the second underlay portion 46 may be omitted, as in the cargo fastening buckle 84 shown in FIG. Both the first underlayment portion 44 and the second underlayment portion 46 may be omitted, as is the tightening buckle 86 .

P... Protrusion Q... Entrance S1, S2... Space W... Goods 10... Load tightening device 12... Support body 14... Length adjusting belt body 16... Bifurcated belt body 18... Load tightening buckle, 20... first belt, 24... first hook, 30... second belt, 34... second hook, 36... third hook, 40... belt fixture, 42... connecting part, 44... first underlay part , 46a...main body part, 46b...expansion part, 46...second underlay part, 48a...front bottom plate part, 48b...rear bottom plate part, 48...frame, 50...pressing piece, 58...first annular part, 60...second 2 annular portions, 62 ... connecting portion, 64a, 64b, 64c ... overlapping portion, 64 ... connecting belt.

Claims (8)

A load tightening buckle for applying a tightening force to the first belt and the second wide belt when fixing an article to a support using the wide string-like first belt and the second belt. There is
a belt fastener configured to be fastened to any portion of the first belt in the longitudinal direction;
a connecting portion for connecting the second belt to the belt fixture;
The connecting portion includes a first annular portion through which the second belt is movably inserted, a second annular portion wound around a portion of the belt fixture, and the first annular portion and the second annular portion. and a connecting portion that connects the
The connecting portion is formed by folding one wide string-like connecting belt at least twice and joining the overlapped portions by a first joining means,
The first annular portion and the second annular portion are buckles for tightening cargo, wherein the connection belt positioned on both sides of the connecting portion is bent in a U shape. 2. The cargo fastening buckle according to claim 1, wherein said first joining means includes at least one selected from stitching, gluing and welding. A sheet-like first underlay part configured to cover a surface of the connecting part facing the article,
3. The cargo fastening buckle according to claim 1, wherein said connecting portion is superimposed on said first underlay portion and joined to said first underlay portion by a second joining means. 4. The cargo fastening buckle of claim 3, wherein said first joining means and said second joining means are stitches, and said overlapped portion of said connecting belt and said first underlayment are sewn together. 5. The cargo tightening buckle according to claim 3, wherein said first annular portion is configured to protrude outward from an edge of said first underlay portion. A sheet-like second underlay part configured to cover the surface of the belt fixture facing the article side,
6. The cargo fastening buckle according to any one of claims 3 to 5, wherein said first underlay portion and said second underlay portion are integrally formed using one continuous sheet-like member. The cargo fastening buckle according to any one of claims 1 to 6, wherein a base portion of said first annular portion is provided with a crease so as to direct said first annular portion in a direction away from said article. . A length adjusting belt body, a bifurcated belt body, and the cargo tightening buckle according to any one of claims 1 to 7,
The length adjustment belt body has the first belt and a first hook provided at one end of the first belt,
The bifurcated belt body includes the second belt, a second hook provided at one end of the second belt, and a third hook provided at the other end of the second belt. tightening device.

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