KR20050072698A - Buckle and rucksack - Google Patents

Abstract

(Problem) Provides a buckle capable of properly connecting four independent strips with a minimum component score.

(Solution means) It is formed in the position which opposes the 1st hole part 1 of the strip | belt-shaped body W, and this 1st hole part 1, and is divided into two by the intermediate cross bar 20, The draw-out dimension of the strip | belt-shaped body W drawn in from the back surface B 'side of the buckle B, and made it turn to this intermediate cross bar 20, and pulled out from the back surface B' side of the buckle B again is made. The second hole portion 2 which is fixed to the belt-shaped body W inserted and passed in this way in an adjustable state, and the third hole portion of the belt-shaped body W formed at one side of the buckle B. (3) and the 4th hole part 4 of the strip | belt-shaped body W formed in the position which opposes this 3rd hole part 3 is provided.

Description

Buckle and Backpack {BUCKLE AND RUCKSACK}

The present invention relates to an improvement in a buckle used to connect four separate belt-like bodies through a buckle and a backpack using the buckle.

As a buckle which connected three independent strip | belt-shaped bodies through a buckle, there exist some shown by patent document 1 and patent document 2. However, such a buckle was merely a connection of three strip | belt-shaped bodies with many parts score and independent.

On the other hand, in the case of a backpack, a chest strap (belt-shaped body in contact with the front of the user's chest) and a buttocks of the user are worn between a pair of shoulder straps from the viewpoint of bringing the backpack body into close contact with the body of the user carrying the backpack and from the standstill of the backpack. In addition to the hip strap that wraps around, there is a waist strap that is mainly in contact with the waist of the user.However, this waist strap effectively improves the adhesion between the user's body and the body of the backpack at the lower side of the backpack, and enables the function of shaking to be fixed. In an aspect, it has been desired to be able to easily equip the backpack with this waist strap.

[Patent Document 1] Japanese Patent Application Laid-Open No. 2001-252107

[Patent Document 2] Japanese Patent Application Laid-Open No. 2002-159309

The main problem to be solved by the present invention is to provide a buckle having a minimum component score and capable of appropriately connecting four independent belt shapes.

Another object is to provide a backpack with a waist strap easily and appropriately.

In order to solve the said problem, in this invention, it was assumed that the buckle provided the structure of the following (1)-(5).

(1) a buckle consisting of a part which is configured to connect four strips through the buckle,

(2) the first hole of the strip-shaped body,

(3) It is formed at a position opposite to the first hole, and is divided into two by the intermediate cross bar, is pulled in from the back side of the buckle, walked on the middle cross bar, and pulled out from the back side of the buckle again. A second hole for fixing to the band-shaped body which is inserted and passed in such a manner that the draw-out size of the band-shaped body is adjustable;

(4) the third hole of the strip-shaped body formed on one side of the buckle,

(5) The fourth hole part of the strip | belt-shaped body formed in the position which opposes this 3rd hole part is provided.

According to such a structure, the strip | belt-shaped body inserted into the 1st hole part, the strip | belt-shaped body inserted into the 2nd hole part, and passed through, the strip | belt-shaped body inserted into the 3rd hole part, and passed through the 4th hole part One stripe, that is, four independent strips, can be connected through a buckle made of one piece. Moreover, since the strip | belt-shaped body which fits and passes through a 2nd hole part is fixed to the buckle in the state which made the adjustable pull-out dimension of the end side of the strip | belt-shaped body pulled out by turning to the intermediate cross bar of a 2nd hole part, and adjusting it, this 2nd By adjusting the withdrawal dimension from this 2nd hole part of the end of the strip | belt-shaped body which passed through the hole part, the position of a buckle, ie, the connection position of four strip | belt-shaped bodies, can be adjusted as needed.

Both sides or one side of the third hole and the fourth hole are divided into two by an intermediate cross bar, are pulled in from the back side of the buckle, are turned on the middle cross bar, and pulled out from the back side of the buckle again. It may also be configured to achieve a fixation on the band-shaped body which is inserted and passed in such a manner that the drawout dimension of the upper body is adjustable.

In this case, in addition to being able to adjust the drawout dimension at the end side of the strip-shaped body passed through the second hole, the drawout dimension at the end-side of the strip-shaped body passed through the third or fourth hole can be adjusted. Therefore, the position of the buckle, that is, the connection position of the four band-shaped bodies can be adjusted more freely as needed.

The first hole may be configured so as to have a wider long hole shape than the width of the belt-shaped body through which the first hole is inserted.

In this case, the use state of the buckle in which the first hole is positioned above or below the belt-shaped body inserted into the first hole is within the dimension difference between the length of the first hole and the width of the belt-shaped body. In the left and right, in the use state of the buckle in which the first hole is located laterally, the buckle can be moved up and down slightly in the first hole, and in the direction of tension added to the belt-shaped body connected through the buckle. It is possible to prevent, as much as possible, the occurrence of a twist or the like in the strip-shaped body connected by resistance.

In this case, the inner part of the place where the band-shaped body inserted and passed in the first hole part is wound and hooked is formed so as to form an arc having the inside of the first hole part as the curved inner side. It is also possible.

In this case, in the case where shaking or the like is applied to the band-shaped body inserted through the first hole, the band-shaped body inserted into the first hole and made to pass through is formed of the length and the band-shaped body of the first hole. Within the range of the dimensional difference from the width, the inner portion can be guided to smoothly move slightly so that the above-described twisting of the band-like body can be prevented from occurring more effectively.

Moreover, in order to solve the said problem, in this invention, it was assumed that a backpack was provided with the structure of the following (1)-(3).

(1) A backpack having a waist strap, each of which has one buckle at the left and right, and which is in contact with the front waist of the user mainly between the left and right buckle,

(2) the buckle on the left,

The upper end portion of the belt body connected to the left shoulder pad fixed to the upper side of the backpack body to pass through the first hole,

The lower end portion of the belt-shaped body connected to the lower left side of the backpack body to pass through the second hole,

One end portion of the belt-shaped body connected to the left side of the backpack body to pass through the fourth hole,

Moreover, while providing the left end side of the strip | belt-shaped body which comprises a waist strap through a 3rd hole part,

(3) the buckle on the right,

The upper end portion of the belt-shaped body connected to the right shoulder pad fixed to the upper side of the backpack body to pass through the first hole,

The lower end portion of the belt-shaped body connected to the lower right side of the backpack body to pass through the second hole,

One end portion of the belt-shaped body connected to the right side of the backpack body to pass through the third hole,

Moreover, the right end part side of the strip | belt-shaped body which comprises a waist strap passes through a 4th hole part, and is provided.

In such a backpack, first, the shoulder strap is passed through the buckle by the belt-shaped body passed through the first hole and connected to the shoulder pad and the belt-shaped body passed through the second hole. Can be configured.

Second, by using the third hole of the left buckle and the fourth hole of the right buckle, the waist strap can be properly connected between the pair of shoulder straps, and the user carrying the backpack by the waist strap connected in this way The adhesion of the shoulder strap to the front of the waist can be improved.

Third, the belt-like body passing through the fourth hole of the left buckle and the belt-shaped body passing through the third hole of the right buckle can prevent the lower side of the backpack from excessively shaking with the user's activity. have. By making it possible to lengthen this strip | belt-shaped body, the space | interval between a shoulder strap and the lower back of a backpack can be narrowed, and the said shake can be suppressed more effectively.

That is, in such a backpack, by connecting the four left belt members and the right four belt members that form the backpack using the left and right buckle, the backpack having the above functions can be simply and appropriately configured.

(The best form to carry out invention)

EMBODIMENT OF THE INVENTION Hereinafter, the best form for implementing this invention is demonstrated based on FIG.

In addition, FIG. 1 and FIG. 2 show one of the structural examples of the buckle B which concerns on embodiment, FIG. 3 thru | or FIG. 5 the other one of such structural examples, and FIG. 6 thru | or 12 are further another of such a structural example. 13-16 has shown the example of the rucksack 100 comprised using the buckle B shown in FIGS. 6-12, respectively.

The buckle B according to the present embodiment is used to connect the independent four belt-shaped bodies W, W ... through the buckle B. FIG.

Moreover, the backpack 100 which concerns on this embodiment is a pair of shoulder straps comprised by the shoulder pad 121 which the waist strap 140 which made the user, ie, the backpack 100, come in contact with the waist mainly of a men's user, is comprised. It is provided so as to span 120 and 120.

{Buckle (B)}

The buckle B is made of a part configured to connect the four belt-shaped bodies W, W ... through the buckle B.

The buckle B has four hole portions 1, 2, 3, and 4 through which the band-shaped bodies W are fitted.

That is, the buckle B is connected to the first hole 1 of the belt-shaped body W,

It is formed at a position opposite to the first hole 1, and is divided into two by the intermediate cross bar 20, and pulled in from the back surface B 'side of the buckle B, and the intermediate cross bar ( 20) to the belt-shaped body W passed in such a manner as to be turned in such a way that the pull-out size of the belt-shaped body W drawn out from the back side B 'side of the buckle B is adjusted. A second hole 2 for fixing,

The third hole 3 of the belt-shaped body W formed on one side of the buckle B,

The 4th hole part 4 of the strip | belt-shaped body W formed in the position which opposes this 3rd hole part 3 is provided.

The 3rd hole part 3 is the 3rd hole part 3 in the direction which cross | intersects the longitudinal direction of the strip | belt-shaped body W which passed through the 1st hole part 1 and the 2nd hole part 2, and passed. It is formed so that the strip | belt-shaped body W can be connected to the buckle B so that it may follow the longitudinal direction of the strip | belt-shaped body W inserted in and passed through. Since the 4th hole part 4 is formed in the position which opposes the 3rd hole part 3, this 4th hole part 4 also fits in the 1st hole part 1 and the 2nd hole part 2, The belt-like body is attached to the buckle B so as to follow the longitudinal direction of the belt-shaped body W passed through the fourth hole part 4 in the direction intersecting the longitudinal direction of the belt-shaped body W passed through. It is formed so that (W) can be connected.

According to such a buckle B, the belt-shaped body W inserted into the 1st hole part 1 and let through, the belt-shaped body W and 3rd hole part 3 inserted into the 2nd hole part 2, and let it pass through. It is possible to connect the band-shaped body W made to fit through and the band-shaped body W inserted into the fourth hole 4, that is, the four independent band-shaped bodies W, W, ..., through the buckle B. . These band-shaped bodies (W, W…) connected to each other form a cross shape around the buckle (B) as a whole (Fig. 1). Moreover, the strip | belt-shaped body W inserted in the 2nd hole part 2 and made to pass through is pulled out by the end side of the strip | belt-shaped body W drawn by being pulled by the intermediate cross bar 20 of the 2nd hole part 2, and drawing out. Since it is fixed to the buckle B in the state which made the dimension adjustable, drawing out from this 2nd hole part 2 by the end side of the strip | belt-shaped body W which passed through this 2nd hole part 2 and passed. By adjusting the dimension, the position of the buckle B, i.e., the connecting positions of the four belt-shaped bodies W, W ... can be adjusted as necessary. In the example shown in FIG. 1, the 1st hole part 1, the 3rd hole part 3, and the 4th hole part 4 are comprised so that the long hole shape which can pass through the strip | belt-shaped body W can be comprised. The strip-shaped body W inserted through these hole portions typically forms an anti-falling portion at the end portion of the strip-shaped body W inserted and pulled out, or the end portion of the buckle B By fixing to the middle part of the strip | belt-shaped body W in the outer side, the state which pinched | interposed to these hole parts 1, 3, and 4 is maintained.

In addition, both sides or one side of the 3rd hole part 3 and the 4th hole part 4 are divided into two by the intermediate cross bars 30 and 40, and the back surface B 'side of the buckle B is carried out. The belt-shaped body W inserted and passed in such a manner that the pull-out size of the belt-shaped body W drawn out from the backside B 'side of the buckle B is adjusted so that it can be rotated on the intermediate cross bar. It can also be fixed to).

In the example shown in FIG. 3, the both sides of the 3rd hole part 3 and the 4th hole part 4 are divided into two by the intermediate cross bars 30 and 40. FIG.

In this case, in addition to being able to adjust the pull-out dimension on the end side of the strip-shaped body W passed through the second hole 2, it passes through the third hole 3 or the fourth hole 4. Since the pull-out dimension on the end side of the strip | belt-shaped body W which was made can also be adjusted, the position of the buckle B, ie, the connection position of four strip | belt-shaped bodies W, W ... can be adjusted more highly as needed.

6-12 has shown the more specific structural example of such a buckle B. As shown in FIG.

This buckle (B) has an inner frame (5) forming an approximately rectangular frame shape and an outer frame (6) integrally connected to the inner frame (5) so as to surround three sides of the inner frame (5) from the outside. Have. Specifically, the inner structure 5 and the outer frame 6 are integrally connected by the four edges of the inner structure 5 and the connecting piece 7 which extends to the inner side of the outer frame 6. And by this, such a buckle B has three holes 1 surrounded by each of these sides, the connecting piece 7, and the outer frame 6 on the outer side of the three sides of the inner structure 5, respectively. , 3,4). Of the three sides of the inner structure 5, the hole portions 3, 4 formed on the outside of the two sides at the opposite positions are the third hole portion 3 and the fourth hole portion 4, and the remaining one The hole part 1 formed in the outer side of the side becomes the said 1st hole part 1. These 1st, 3rd, and 4th hole parts 1, 3, and 4 are comprised so that all may form the long hole shape extended along the side of the inner structure 5. As shown in FIG. Moreover, with respect to the longitudinal direction of the 1st hole part 1, the longitudinal direction of the 3rd hole part 3 and the 4th hole part 4 is made to become a direction orthogonal to orthogonality.

On the other hand, the second hole 2 is formed inside the inner structure 5. Specifically, inside the inner structure 5 that forms a substantially rectangular frame shape, an inner portion of the edge portion 51 which positions the third hole 3 in the inner structure 5 outside, Intermediate cross bars extending along the edge portion 50 for positioning the first hole portion 1 outwards with the inner portion of the edge portion 52 for positioning the fourth hole portion 4 outside. 20 is formed, and this intermediate cross bar 20 divides the internal space of the inner structure 5 into two pieces. In this example, the intermediate cross bar 20 and the first hole 1 are arranged on the back surface B 'side of the buckle B with the belt-shaped body W with respect to the second hole 2. ) Is passed through the side portion 50 to be located outside and pulled out toward the surface B "side of the buckle B, and then the outer frame in the intermediate cross bar 20 and the inner structure 5. By passing the edge 6 (hereinafter referred to as the end cross bar 53) where it is not located outside, and drawing it out to the back B 'side of the buckle B again, It is made to fix to the 2nd hole part 2 in the state which the draw-out dimension of the edge part W 'side of this strip | belt-shaped body W was adjustable.

In the example shown, the intermediate cross bar 20 has a surface 21 substantially parallel to the surface B ″ of the buckle B, while at the same time buckle the side 22 facing the end cross bar 53. It has a surface substantially parallel to the thickness direction of (B), and has the edge part 23 which forms an edge shape between this surface 21 and the side surface 22. On the other hand, the end cross bar 53 The fixing piece portion 54 protrudes obliquely in a direction gradually approaching the side surface 22 of the intermediate cross bar 20 as it faces from the surface B ″ side of the buckle B to the rear surface B ′ side. Has) In addition, an imaginary straight line x along the thickness direction of the buckle B passing through the corner portion 23 of the intermediate cross bar 20, and a buckle B passing through the protruding end portion 55 of the fixing piece 54. The space | interval between the virtual straight lines y along the thickness direction of (circle) is made smaller than the thickness of the strip | belt-shaped body W passed through the 2nd hole part 2 as mentioned above. As a result, the edge portion of the intermediate cross bar 20 is applied to the belt-shaped body W that is inserted into the second hole 2 and passed as the tension is applied to the belt-shaped body W as described above. 23 and the protruding end 55 of the fixing piece 54 are strongly collided, so that the fixing state of the belt-shaped body W with respect to the second hole 2 is stably secured. In this fixed state, a finger or the like is placed on the end cross bar 53 at the back surface B 'side of the buckle B, and the end of the belt-shaped body W drawn out from the side at which the end cross bar 53 is formed. It can be released by operating away from the middle portion W ″ of the belt-shaped body W located on the inner side of the (W ') side. That is, if such an operation is performed, the middle portion of the belt-shaped body W ( Pressing on the protruding end portion 55 of the fixing piece portion 54 on the end W 'side of the strip-shaped body W by W ") is released, and the strip-shaped body W is placed on the intermediate cross bar 20. Since only the edge part 23 will collide, the clamping force of the strip | belt-shaped body W between this intermediate cross bar 20 and the end cross bar 53 falls. Thereby, the draw-out dimension of the edge part W 'side of the strip | belt-shaped body W which passed through the 2nd hole part 2 and passed can be adjusted.

Moreover, in this example, it is comprised so that the said 1st hole part 1 may form wide hole shape wider than the width | variety of the strip | belt-shaped body W which passed through.

Thereby, in this example, the range of the dimension difference between the length of the 1st hole part 1 and the width | variety of the strip | belt-shaped body W is made to pass through the strip | belt-shaped body W inserted through the 1st hole part 1, and let it pass. In the use state of the buckle B in which the first hole 1 is located upwards or downwards, the left and right, and the top and bottom in the use state of the buckle B in which the first hole 1 is located laterally The belt-shaped body W can be moved slightly in the first hole 1, and the buckle B is connected in a direction of tension applied to the belt-shaped body W connected through the buckle B. It is possible to prevent the occurrence of kinks and the like as much as possible.

Moreover, in this example, the inner side part 11 of the location where the strip | belt-shaped body W passed through and inserted in this 1st hole part 1 is wound is caught inside the 1st hole part 1, It is formed so that it may become one arc inside the curve inside.

As a result, in this example, in the case where a shake or the like is applied to the belt-shaped body W passed through the first hole 1, the belt-shaped body inserted into the first hole 1 is made to pass. (W) guides the inner part 11 in the range of the dimensional difference between the length of the first hole 1 and the width of the band-shaped body W so as to smoothly move slightly, as described above. It is possible to prevent the same band-like body W from being twisted more effectively.

{Backpack (100)}

13 to 16 have one buckle (B) shown in FIGS. 6 to 12 on each side, and a waist strap (140) contacting the front of the user's waist between the buckle (B) on the left and right sides. The backpack 100 is shown.

In the illustrated example, this backpack 100 has a pair of shoulder straps 120 and 120 on the back of the backpack 100 and a chest strap 130 that spans between the shoulder straps 120. The chest strap 130 allows the shoulder strap 120 to pass through the arm and abuts the backpack 100 on the chest of the user. Moreover, such a backpack 100 has a hip strap 150 which wraps around the buttocks of the user who packs the backpack 100 in the lower part. The waist strap 140 is provided between the chest strap 130 and the hip strap 150 so that the backpack 100 is in contact with the main part of the waist of the men's user, and is provided on the lower side of the backpack 100. In order to closely contact the front part of the waist of the user to the shoulder strap 120. The chest strap 130, the hip strap 150, and the waist strap 140 are all divided into two left and right sides, and are separated by the buckle body 160 provided with the left and right ends of the divided left and right sides. It can be joined together. The user buckle the left and right strips 131 and 131 constituting the chest strap 130, the left and right strips 151 and 151 constituting the hip strap 150 and the left and right strips 141 and 141 constituting the waist strap 140. In the state separated by the separation of 160, the shoulder strap 120 is passed through the arm to carry the backpack 100, and then the left and right of each of the straps 130, 140, 150 are joined to equip the backpack 100. Shall be. Such a buckle body 160 typically has an arm buckle having a flat cylindrical shape with an engaging window at its side, and an inlet into the arm buckle, and an elastic ball after elastic deformation associated with the inlet of the inlet. The side release buckle which consists of the male buckle provided with this engaging part by the engaging part which draws in and engages with the said engaging window can be used.

In the backpack 100 according to the present embodiment, among the buckle B provided one each on the left and right sides of the backpack 100,

Buckle (B) of the left located in the left side in the state which looked at rucksack 100 from the men side,

The upper end portion is fixed to the upper side of the main body of the backpack 100 so that the belt-shaped body 122 connected to the left shoulder pad 121 passes through the first hole 1,

The lower end portion is passed through the second hole portion 2, the band-shaped body 170, which is connected to the lower left side of the main body 100,

One end portion of the belt-shaped body 180 connected to the left side of the main body 100 passes through the fourth hole (4),

Moreover, the left end part side of the strip | belt-shaped body 141 which comprises the waste strap 140 is made to pass through the 3rd hole part 3, and is provided.

In addition, among the buckle (B) which is installed one by one on the left and right of the rucksack 100,

The buckle B on the right side located on the right side in the state of viewing the backpack 100 from the men's side,

The upper end portion is fixed to the upper side of the main body of the backpack 100, so that the band-shaped body 122 connected to the right shoulder pad 121 passes through the first hole 1,

The lower end portion is passed through the second hole portion 2, the band-shaped body 190 connected to the lower right side of the main body of the backpack 100,

One end portion of the belt-shaped body 200 is connected to the right side of the backpack 100, the third hole portion 3,

Moreover, the right end part side of the strip | belt-shaped body 141 which comprises the waist strap 140 is made to pass through the 4th hole part 4, and is provided.

As a result, in such a backpack 100, first, the band body 122 and the second body 2, which are passed through the first hole 1 and connected to the shoulder pad 121 and the second hole 2, are passed. The shoulder strap 120 can be configured in a state in which the length of the shoulder strap 120 can be adjusted through the buckle B).

Secondly, the waist strap 140 is provided between the pair of shoulder straps 120 and 120 by using the third hole portion 3 of the buckle B on the left side and the fourth hole portion 4 of the buckle B on the right side. ), And the adhesion of the shoulder strap 120 to the front part of the waist of the user who packs the backpack 100 by the waste strap 140 connected in this way can be improved.

Third, the belt-shaped body 180 passed through the fourth hole 4 of the buckle B on the left side and the belt-shaped body 200 passed through the third hole 3 of the buckle B on the right side. The lower side of the backpack 100 may not be excessively shaken with the user's activity. By allowing the belt-shaped body W to be adjusted in length, the distance between the shoulder strap 120 and the lower back of the backpack 100 can be narrowed, and the shaking can be more effectively suppressed.

That is, in such a backpack 100, the left four belt-shaped bodies W, W ... constituting the backpack 100 using the left and right buckle B, B, and the right four belt-shaped bodies W, By connecting W…), the backpack 100 which functions the above functions can be configured simply and appropriately.

In the illustrated example, both the left and right buckles B and B are provided in the backpack 100 so that the first hole 1 is positioned upward,

Both the left and right buckles B and B are configured to have a wider long hole shape than the width of the belt-shaped body W through which the first hole 1 is inserted.

In addition, the inner part 11 of the location where the strip | belt-shaped body 122 which passed through in the 1st hole part 1 is wound and hanged is the arc shape which made the inside of this 1st hole part 1 the inside of a curve. Since the shoulder strap 120 is shaken, the belt-shaped body 122 passed through the first hole 1 may move slightly in the first hole 1 to absorb the shake. It is possible to prevent the occurrence of twist or the like on the shoulder strap 120 side as much as possible.

According to the buckle which concerns on this invention, although it is a part goods, four independent strip | belt-shaped bodies can be connected suitably.

Moreover, according to the rucksack of the present invention, it is possible to easily and appropriately equip the rucksack with a waist strap.

1 is a front configuration diagram showing one configuration example of a buckle B;

FIG. 2 is a cross-sectional view taken along the line A-A in FIG. 1

3 is a front configuration view showing another example of the configuration of the buckle B;

4 is a cross-sectional view taken along the line B-B in FIG.

5 is a cross-sectional view taken along the line C-C in FIG.

6 is a front view showing still another example of the configuration of the buckle B;

FIG. 7 is a plan view of the buckle B in FIG. 6

8 is a right side view of the buckle B in FIG. 6.

9 is a bottom view of the buckle B in FIG. 6.

10 is a rear view of the buckle B in FIG. 6.

FIG. 11 is a cross-sectional view taken along the line D-D in FIG. 6

12 is a perspective view showing a state of use of the buckle (B)

13 is a perspective configuration diagram of the backpack 100 (view from the right front direction)

14 is a perspective view of main parts of the backpack 100 in FIG. 13.

15 is a perspective view of the backpack 100 (left front view)

FIG. 16 is a perspective view of main parts of the backpack 100 in FIG. 15. FIG.

 Explanation of symbols on the main parts of the drawings

B-Buckle W-Band

1-first hole 2-second hole

3-third hole 4-fourth hole

Claims (6)

A buckle consisting of a part configured to connect four strips through a buckle, The first hole of the strip-shaped body, The strip is formed at a position opposite to the first hole, and is divided into two by intermediate cross bars, and is pulled in from the back side of the buckle, is turned on the intermediate cross bar, and is pulled out from the back side of the buckle. A second hole for fixing to the band-shaped body which is inserted and passed in this way with the draw-out dimension adjustable; A third hole of the strip-shaped body formed on one side of the buckle, A buckle having a fourth hole of a strip-shaped body formed at a position opposite to the third hole. The method according to claim 1, Both sides or one side of the third hole and the fourth hole are divided into two by an intermediate cross bar, are pulled in from the back side of the buckle, are turned on the intermediate cross bar, and pulled out from the back side of the buckle again. A buckle, characterized in that it is configured to achieve a fixation on the band-shaped body passed through this in a state in which the drawout dimension of the can be adjusted. The method according to claim 1 or 2, A buckle, characterized in that the first hole is formed to have a longer hole shape that is wider than the width of the belt-shaped body that is inserted and passed. The method according to claim 3, The buckle according to claim 1, wherein the inner part of the location where the band-shaped body inserted and passed in the first hole is wound is formed so as to form an arc having the inside of the first hole as the curved inner side. A backpack having a buckle according to any one of claims 1, 2, and 4, each of which has a waist strap provided between the left and right buckle and in contact with a user's mainly front waist portion. The buckle of the left side, The upper end portion of the belt body connected to the left shoulder pad fixed to the upper side of the backpack body to pass through the first hole, The lower end portion of the belt-shaped body connected to the lower left side of the backpack body to pass through the second hole, One end portion of the belt-shaped body connected to the left side of the backpack body to pass through the fourth hole, Moreover, while providing the left end side of the strip | belt-shaped body which comprises a waist strap through a 3rd hole part, The buckle of the right side, The upper end portion of the belt-shaped body connected to the right shoulder pad fixed to the upper side of the backpack body to pass through the first hole, The lower end portion of the belt-shaped body connected to the lower right side of the backpack body to pass through the second hole, One end portion of the belt-shaped body connected to the right side of the backpack body to pass through the third hole, The backpack further comprises a right end side of the belt-like body constituting the waist strap passing through the fourth hole. A backpack having a buckle according to claim 3 on the left and right, and provided with a waist strap provided between the buckle on the left and right to be in contact with the front part of the waist of the user. The buckle of the left side, The upper end portion of the belt body connected to the left shoulder pad fixed to the upper side of the backpack body to pass through the first hole, The lower end portion of the belt-shaped body connected to the lower left side of the backpack body to pass through the second hole, One end portion of the belt-shaped body connected to the left side of the backpack body to pass through the fourth hole, Moreover, while providing the left end side of the strip | belt-shaped body which comprises a waist strap through a 3rd hole part, The buckle of the right side, The upper end portion of the belt-shaped body connected to the right shoulder pad fixed to the upper side of the backpack body to pass through the first hole, The lower end portion of the belt-shaped body connected to the lower right side of the backpack body to pass through the second hole, One end portion of the belt-shaped body connected to the right side of the backpack body to pass through the third hole, The backpack further comprises a right end side of the belt-like body constituting the waist strap passing through the fourth hole.