JP2003009910A - Buckle for fastening strap - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a buckle by which a strap, a belt or the like for versatile purposes can be fastened, and of which the position can be easily adjusted. SOLUTION: The buckle 10 for fastening a strap is composed of a body 30, a pair of bars 20, and a pair of hem sections 34. The body is provided with a pair of fringe sections 32 which have a prescribed thickness and are formed in one piece with the body so that an opening section 35 is formed in between. The bar has a triangular cross section whose one side is formed as an outer side face parallel to the surface of an object 60, and whose apex portion opposing to the outer side face is disposed on the object side. The hem sections 34 in the fringe sections 32 are arranged with an interval each other, and each hem section 34 has an inside bottom edge portion for supporting the strap 50, which is provided with a pair of a level face portion parallel to the object surface and a vertical face portion formed vertical to another level face portion formed facing to the bar. The bars and the slope hem sections are provided with non-slippers on the faces whereto the strap contacts.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to footwear in general, bags that are not very large, clothes, cords for fastening objects such as electric cords, and more particularly, to a cord fastening buckle that can be applied to round cords.

[0002]

2. Description of the Related Art As a conventional buckle for adjusting the length of belts used for clothes such as life jackets, bags for rucksacks, etc. as a crimping device, and as a buckle for fastening belts, etc. There is a ladder buckle as described in the official gazette. This ladder buckle is shown in Figure 6.
As shown in the sectional view of FIG. 4, four bars, that is, the first bar 150 and the second bar, which are integrally formed between the opposite side walls 112, are formed.
Bar 170, third bar 120 and fourth bar 11
8, one end portion 124 of the belt 122 is passed between the object side of the fourth bar 118 and the third bar 120 to wind the third bar 120, and Bar 1
18 is overlapped with the belt 122 on the outer side of 18 and integrally fixed, and the other end 126 is the lower surface of the first bar 150.
The second bar 1 extends outwardly from the first corner 156.
From the object side of 70, an obtuse angled slope 178, an outer side 172, a second side
First corner 1 of first bar 150 via corner 176
At 56, they are led out through the inside of the belt 122 to the outside, the mutual frictional resistance due to the overlapping of the belts 122 in the first corner 156 of the first bar 150, the second corner 176 of the second bar 170, There is one that can be fastened by frictional resistance on the obtuse slope 178 and the like.

As another buckle that is often used, there is a buckle that fixes a belt, a round cord or the like passed through the buckle by hooking a hooking device urged by a spring.

[0004]

However, in the ladder buckle 100 as described above, the second bar 1
Although the contact area between the belt 70 and the belt 70 is large, the degree of catching is small, so that the maintenance force of the tightened state is small, and the belt 22 has a large width. It cannot be used as a small string or a round string.

Therefore, such a ladder buckle 1
00 is used for wide belts, such as flat straps such as shoulder belts for bags and thick straps with a width of 10 mm or more. In addition, it is not suitable for thin objects having a width or diameter of about 5 to 10 mm and is not used. And
Such a ladder buckle has a belt 122 for tightening.
One end 124 of the buckle 100 is fixed and held, and the buckle 100 is used to perform the fastening work only on one side of the other end 126.
The position of cannot be set freely.

[0006] Further, as a device using a spring-based locking device, it is used for a round cord of shoes, bags, etc., but a spring alone has a weak force for fixing looseness and is not sufficient for holding by fastening. It was

The present invention has been made in view of the above problems, and it is possible to fasten cords, belts, etc. used for various purposes and to easily position the buckle itself. The purpose of the present invention is to provide a buckle that can be tightened.

[0008]

In order to achieve the above object, a fastening buckle according to the present invention is integrally formed so as to provide an opening in a strapping buckle capable of untying a string on the surface of an object. A main body having an outer peripheral portion having a predetermined thickness, and at least two bars which are integrally formed by being bridged in parallel with each other at predetermined intervals on the outer peripheral portions facing each other and capable of hanging a cord. The bar has a triangular cross section, one side of the triangle of this cross section is an outer surface parallel to the surface of the object, and the top facing the outer surface is arranged on the object side. And edges of the outer periphery facing the bar and further toward the object and spaced apart from each other so that the cord can pass through, the edges being parallel to the surface of the object. An edge having an inner lower end for carrying a cord having a horizontal surface portion and a vertical surface portion provided on the side facing the bar and perpendicular to the horizontal surface portion; The feature is that a slip stopper is provided at the contact point of the string.

Further, in such a fastening buckle, the angle formed by the two angles on both sides of the outer surface in the triangular cross section of the bar and the angle formed by the vertical plane of the inner end of the edge and the horizontal plane is 90 ° or less. Characterize.

Further, in this fastening buckle, the interval of the vertical surface perpendicular to the surface of the object passing through the edge-side corner of the outer surface of the bar and the vertical surface of the inner lower end of the edge is the diameter of the cord or It is characterized by being made narrower than the thickness.

Further, in the fastening buckle, the bars are provided in the openings forming the outer peripheral portions of both ends in the longitudinal direction of the main body, and the interval between the two bars corresponds to the size of the object to be tightened. It is characterized by being taken large enough.

Then, an edge portion on the outer peripheral portions of both ends of the main body and a string hung on both bars facing the edge portion extend from the portion where the object is fixed, and are passed through the edge portions to the outer surface of the bar. It is characterized in that it is hung from the inner corner portion to the outer corner portion and extends outward while being in contact with the edge portion and overlapping with a string close to the fixed portion.

Further, in the cord-clamping buckle having the above-mentioned construction, the cords are prevented from slipping on the horizontal plane portion at the inner lower end portion of the edge portion.

[0014]

The fastening buckle having the above-described structure according to the present invention has a main body having an outer peripheral portion integrally formed so as to provide an opening and having a predetermined thickness. Since there are at least two bars that are laid in parallel and integrally formed, and that can be hooked, a string having one end fixed to each bar is hooked at a place requiring fastening, and These bars have a triangular cross section, and one side of the triangle of this cross section is arranged as an outer surface parallel to the surface of the object and the apex facing this outer surface is located on the object side. The cords that are hung on the ridges engage with the corners on both sides of the outer side surface, so that the cords can be securely fastened. And, since it has edges on the outer periphery of the bar which are located facing the bar on the object side of the bar and are spaced apart from each other so that the cords can pass therethrough, the edge side corners of the outer surface of the bar. A string hung on the part guides its free end to the outside from the outer periphery of the main body, and at this edge part there is a horizontal plane parallel to the surface of the object and a vertical plane perpendicular to the horizontal plane provided on the side facing the bar. Since it has an inner lower end for carrying a cord with a bar and a slip stopper for the bar and the edge, the cord hung on the inner lower end is locked at its corner and friction The resistance can be created and the string can be fixed.

In this fastening buckle, the angle between the two corners on both sides of the outer surface in the triangular cross section of the bar and the angle between the vertical surface of the inner end of the edge and the horizontal plane are 90 ° or less, so The hung string can surely fix the string due to large engaging friction at both corners of the bar. In addition, since the interval of the vertical surface perpendicular to the object surface that passes through both the corners of the outer side of the bar on the edge side and the corner of the inner end of the edge is narrower than the cord thickness, The string that engages with the edge side of the outer surface of the and contacts the object side abuts the vertical surface of the edge to increase friction resistance, and tightening force is also increased.
The fastening state of the round cord is made more reliable.

In the fastening buckle, the bar is
Both ends of the main body are provided because they are provided in the openings that form the outer peripheries of both ends of the main body in the longitudinal direction, and the space between the two bars is sufficiently large corresponding to the size of the object to be tightened. The space between the side openings can be displayed for various purposes, can be used for decoration, and can be used for various purposes such as being used as a tightening tool for footwear such as shoes.

Further, the edges on the outer peripheral portions of both ends of the main body and the strings hung on both bars facing the edges extend from the portions where the object is fixed, and are passed through the edges to the outer surface of the bar. It is hung from the inner corner to the outer corner and extends outward while overlapping the string close to the part to be fixed while contacting the edge, so even if a round string is used, it may overlap. Moreover, the cleat provided at the inner lower end portion can increase the tightening force even at the edge portion and can securely hold the cord.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION The strap fastening buckle according to the above-described embodiment of the present invention will be described in more detail below with reference to the drawings. The tightening buckle 10 according to the present invention is
As shown in FIGS. 1 to 3, general footwear, for example, shoes, sandals, boots and the like, bags,
Bags, especially those that are not very large, such as makeup pouches to knapsacks for wandies, objects used for clothing-related necks, fronts, cuffs, etc., and can be made of resin, metal, or wooden depending on the application 3
0, an opening portion 35 provided in the central portion of the main body 30, an outer peripheral portion 32 forming the opening portion 35, and at least two bars 20 integrally provided so as to bridge the outer peripheral portion 32. There is.

Perimeter 32 is provided to form an elongated through opening 35 therein, as shown in FIGS. 2 and 3B, which are cross-sectional views taken along line I--I of FIG. And has edge portions 34 inclined inward toward the bar 20 at both longitudinal ends thereof, and a lower end portion 39 of the edge portion 34 has a horizontal surface portion 36 parallel to the surface of the object 60 and an inward direction. A vertical surface portion 38 facing and perpendicular to the object 60 is provided.
The horizontal surface portion 36 has a satin-finished surface or a surface having fine irregularities, and is provided with a slip stopper (not shown).

Further, as shown in FIG. 1 and a sectional view of FIG. 3A, the bar 20 has a triangular cross section, and an outer surface of which one surface is located outside the object 60. 22 and a top portion 24 facing the outer surface 22 and located on the object 60 side, and a string 50 from the object 60 on the outer corner portion 26 and the inner corner portion 28 on both sides of the outer surface 22.
Are positioned so that they are rolled up.

The bar 20 is separated from both ends in the longitudinal direction of the outer peripheral portion 32 and the lower end portion 39 of the edge portion 34 with a space smaller than the thickness or diameter of the cord in the direction perpendicular to the object. The distance t between the outer corner portion 26 of the bar 20 and the surface perpendicular to the object 60 passing through the vertical surface portion 38 of the lower end portion 39 of the edge portion 34 depends on the thickness or diameter of the cord 50. Is also made smaller. Further, the angle between both corners 26 and 28 of the bar 20 and the angle formed by the horizontal surface portion 36 and the vertical surface portion 38 of the lower end portion 39 of the edge portion 34 are also smaller than 90 °. The cord 50 may be a belt having a width of 10 mm or less, a flat cord, a round cord, an elliptical cord, or a thin cord having a width of 5 to 10 mm.

When the strap 50 is used to fasten the object 60 using the strap 50, it is used as follows. At the position where the fastening of the object 60 is required, the two strings 50, the ends 52 of the two strings 50, at the required intervals,
52 is fixed to the fixing portions 40, 40 provided on the object 60, and the other ends 54 of the strings 50, 50 are passed from the object 60 side of the body of the buckle 10 to the spaces between the two bars 20, 20 respectively. The two bars 20, 20 are passed through from the inside to the outside to pass through the edge portion 32 toward the object 60 side and hang on the lower end portion 39 of the edge portion 32 to buckle 10.
It is derived by pulling it to the outside of.

The string 50 arranged in this manner is used for the bar 20.
Hang on both corners 26, 28 of the outer surface 22 of the
The two inner lower ends 39 of the two are arranged so that the two strings 50, 50 along the horizontal surface portion 36 from the vertical surface portion 38 side are overlapped with the string that goes out of the outer peripheral portion 32 inside.

The string 5 thus arranged on the buckle 10.
0 and 50 can be immediately tightened to the object 60 if they are pulled together in the opposite direction of the arrow. At that time, in order to position the buckle 10 at an appropriate position between the fixing portions 40, 40, pull the other string 50 while keeping the one string 50 movable while the strings 50, 50 are loosened. For example, the buckle 10 is moved along with it, and after the buckle 10 is moved to an appropriate position, one of the strings 50 is fixed and the other string 50 is pulled in the horizontal direction as shown by the arrow, so that the bar 20 Positioning is performed by fixing the string 50 by frictional resistance between the corners 26 and 28 on both sides of the outer side surface 22 and frictional resistance between the string 50 and the inner lower end portion 39 provided with anti-slip of the edge 32 and the string 50. You can This can also be done and fixed on one of the strings 50 as well.

When the string 50 fixed in this way is pulled and loosened so that the strings 50, 50 on both sides or one side are separated from the object 60, the friction resistance between the string 50, the bar 20, and the edge portion 34 is increased. The string 50 moves at the reduced position to release the tightened state, and the string 50 can be loosened.

According to another embodiment of the present invention,
The buckle 10 'is made of resin, iron, or wood and has an elongated body 3 having a length according to the purpose, as shown in FIG. 4 and FIG. 5 which is a cross-sectional view taken along line VV in FIG.
0'is formed with openings 35 ', 35' at both ends in the longitudinal direction with a sufficient space, and the openings 35 ', 35' are provided with bars 20 'parallel to the short side outer circumference 32'. Provided integrally,
The cross section of the bar 20 'is triangular like the buckle 10 of the above embodiment. Further, the inner lower end portion at the edge portion of the short side outer peripheral portion 32 'also has a horizontal surface portion and a vertical surface portion similarly to the above-described embodiment so that friction resistance due to engagement and overlap of the string 50' is increased. Has been Further, these horizontal surfaces may be provided with anti-slip as a surface having a satin finish and fine irregularities as in the above embodiment. With these, a sufficient fastening state can be obtained.

The elongated body 30 'of the buckle 10'
The length, width and thickness can be determined according to various purposes, and the object 60 'to be fastened using a string needs to be fastened to footwear, a bag or tightly. It can be suitable for each case.

In the above-mentioned embodiment, the number of the bar for hanging the string is two, but if necessary, three or more bars may be arranged in parallel or in parallel so that a plurality of strings can be hung simultaneously. You may provide it with a level | step difference up and down. In addition, the anti-slip provided on the horizontal plane at the inner lower end of the edge is
If necessary, it may be provided on a vertical surface portion of the edge portion which is a contact portion with the cord, an outer flat surface of the bar 20 or a corner portion thereof.

[0029]

As described above, since the cord tightening buckle according to the present invention has the above-mentioned structure, it has the following effects. The fastening buckle having the above-described configuration according to the present invention is a bar integrally formed by being bridged in parallel at a predetermined interval on opposite outer peripheral portions of a main body having an outer peripheral portion integrally formed and having a predetermined thickness. The string that is hung on the bar engages with the corners on both sides of the outer surface of the bar, and the string can be securely fastened. Since the edge has an inner lower end for carrying a cord having a horizontal surface parallel to the surface of the object and a vertical surface perpendicular to the horizontal surface provided on the side facing the bar, the inner lower end The string hung on the portion is locked at the corner, and friction resistance is generated by the slip stopper provided at the contact point with the string, so that the string can be fixed.

The angle of the two corners of the bar triangle in this fastening buckle and the angle of the inner lower end of the edge are 9
Since the angle is 0 ° or less, the string hung on the bar can be reliably fixed by the large engaging friction at both corners of the bar. In addition, since the distance between the corner of the outer surface of the bar on the edge side and the corner of the inner lower end of the edge is narrower than the cord thickness, the edge of the outer surface of the bar is connected to the corner on the edge side. Since the string facing the object side abuts the vertical surface of the edge to increase the frictional resistance, the tightening force is increased, and the frictional resistance between the strings is added to further secure the fastening state of the round string. It

In the fastening buckle, the bar is
Both ends of the main body are provided because they are provided in the openings that form the outer peripheries of both ends of the main body in the longitudinal direction, and the space between the two bars can be made sufficiently large corresponding to the size of the object to be tightened. The space between the side openings can be used for display corresponding to various purposes, can be used for decoration, and can be used for various purposes such as being used as a tightening tool for footwear such as shoes. In addition, by adjusting the size of the opening, it is possible to overlap with each other even when using a round cord, and the tightening force can be increased even at the edge portion to securely hold the cord.

[Brief description of drawings]

FIG. 1 is a cross-sectional view taken along line I-I of FIG. 2 showing a tightening state of a string tightening buckle according to an embodiment of the present invention.

FIG. 2 is a top view of the string tightening buckle in the tightened state of FIG.

3 is a partial cross-sectional view of the strap buckle of FIG. 1 taken along the line I-I of FIG. 2, (A) showing a cross-sectional view of the bar thereof, and (B) showing a cross-sectional view of the outer peripheral portion thereof. is there.

FIG. 4 is a top view of a lace buckle according to another embodiment of the present invention.

FIG. 5 is a cross-sectional view taken along line VV of FIG. 4 showing a fastening state of a cord fastening buckle according to another exemplary embodiment of the present invention.

FIG. 6 is a cross-sectional view of a conventional cord tightening buckle.

[Explanation of symbols]

10 tightening buckle 20 bar 22 Outer surface 24 top 26 Outer corner 28 Inner corner 30 body 32 outer periphery 34 Edge 35 opening 36 Horizontal surface 38 Vertical surface 39 Inner end 40 Fixed part Fifty strings 52 String fixed end 54 Free end of string 60 objects

Claims (5)

[Claims] 1. A strap tightening buckle capable of binding and unfastening a string on the surface of an object, the main body having an outer peripheral portion integrally formed to give an opening and having a predetermined thickness, and facing each other at the opening of the main body. At least two bars which are integrally formed by being bridged in parallel to each other at a predetermined interval on the outer peripheral part and which can be hung on a string, wherein the bars have a triangular cross section, and A bar arranged so that one side of the triangle is an outer surface parallel to the surface of the object, and the apex facing the outer surface is located on the object side; and the bar is located on the object side of the bar facing the bar. An edge portion in the outer peripheral portion arranged at a distance from each other so that a string can be passed through, the edge portion being provided on a horizontal plane portion parallel to the surface of the object and the side facing the bar, and the horizontal plane portion. Perpendicular to An edge portion having an inner lower end portion for carrying a cord having a face portion, and a slip stopper provided at a contact portion of the bar and / or the edge portion with the cord. A tightening buckle. 2. The angle between the horizontal plane and the vertical plane at the inner end of the edge is 90 ° or less, and the angle formed by the horizontal plane is 90 ° or less. The tightening buckle described in 1. 3. An interval of a vertical surface perpendicular to a surface of an object passing through a corner of the outer surface of the bar on the edge side and a vertical surface of an inner lower end of the edge is more than a diameter or a thickness of the cord. The tightening buckle according to claim 1, which is narrowed. 4. The bar is provided in an opening forming an outer peripheral portion of both ends in the longitudinal direction of the main body, and a space between the two bars is sufficiently large corresponding to a size of an object to be laced. The stringed buckle according to claim 1, wherein the buckle is large. 5. The edges of the outer peripheral portions of both ends of the main body, and the strings hung on both bars facing the edges extend from the portions where the object is fixed, and are passed through the edges to allow the bars to pass through. It is hung from the inner corner portion to the outer corner portion of the outer side surface, and while being in contact with the edge portion, is overlapped with the cord close to the fixed portion and is extended outward. The tightening buckle described in 1.