JP2578177Y2 - buckle - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a belt buckle.

[0002]

2. Description of the Related Art As a conventional belt buckle, the end of the belt is passed through an annular main body, and a rod-shaped member provided in the main body is inserted from the back side into a hole formed in the front end of the belt, thereby forming the both ends of the belt. What was known to connect. However, in this case, a large number of holes must be formed in order to allow the rod-shaped member to pass through, and the strength of the belt is reduced. Further, connecting the belt is troublesome and troublesome.

Further, in order to connect the belt with one touch, a projection having an enlarged portion formed at the tip is provided on the back surface of a metal fitting attached to one end of the belt, and the projection is formed at the other end of the belt. A buckle has been proposed to pass through a perforated hole. However, in this case, the belt easily comes off even during use, because the projection is easy to fall out of the hole,
As in the case of the above-mentioned conventional buckle, a number of holes must be formed in the belt.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a buckle which can easily connect a belt, is hard to be detached, and does not need to make a connection hole in the belt so that the strength of the belt is not reduced. Is to provide.

[0005]

The buckle according to the present invention comprises a second engaging member having a belt attaching portion and a first engaging member having a belt fixing member. An insertion hole is formed in the width direction near the connection end of the first engagement tool, and a notch is formed from the connection end to the back end, and a slide bar is inserted into the insertion hole at one end. When the slide bar slides toward the other end of the insertion hole, a portion located in the notch has a small diameter portion, and the slide bar has a small diameter. In the normal state, the portion located in the notch is a large-diameter portion, and the second engaging member is convexly curved toward the second engaging member on the back surface of the connection-side tip of the second engaging member. A hook is provided for detachably engaging the slide bar. The slightly large diameter than the large diameter portion of the slide bar, the hook have a opening the slide bar greater than the outer diameter of the small diameter portion of the, also not smaller than the outer diameter of the large diameter portion
And, and, the opening is the extraction impossible direction from the small-diameter portion of the slide bar when the the first engaging member and the second engaging member are arranged in a line.

[0006]

When the slide bar of the first engagement member is pushed in against the urging force, the small diameter portion of the slide bar is located in the notch, and the gap between the inner end of the notch and the side surface of the slide bar is widened. The second engaging tool intersects the first engaging tool at a right angle, the tip of the hook is inserted into the notch from the belt surface to the back surface, and the small diameter portion of the slide bar is inserted into the opening. Let it. Next, when the hook is rotated to align the first engaging member and the second engaging member in a line and the slide bar is released, the slide bar slides toward one side end by the biasing force, and The large-diameter portion engages with the inner periphery of the hook and is located in the notch, and the gap between the deep end of the notch and the side surface of the slide bar is narrowed to prevent the hook from coming off. When the belt is removed, the slide bar is similarly slid toward the other end, and the hook is rotated so that the second engaging member intersects the first engaging member substantially at a right angle. Removes the hook from the notch in the reverse process and separates the second engaging member from the first engaging member.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below in detail with reference to the drawings. In FIG. 1, reference numeral 1 denotes a buckle made of stainless steel, plated copper alloy, iron, or the like, and a first buckle having substantially the same width as the belt 2 fixed to one end of the belt 2.
And a second engaging member 4 slightly wider than the belt 2 slidably attached to the other end of the belt 2. The first engaging device 3 includes an engaging device main body 5 and a slide bar 6.
As shown in FIG. 4, an insertion hole 7 is formed across the width direction at the end of the engagement member main body 5 on the connection side with the second engagement member 4, and one side of the insertion hole 7 is While being formed in the opening 11 having a slightly smaller diameter, the other side end is closed by the lid 27,
Two notches 8 are formed near both sides of the distal end of the engaging member main body 5 on the connection side with the second engaging member 4 so as to divide the insertion hole 7 toward the back end. Further, a belt fixing portion including a belt insertion groove 9 that opens toward the other end of the belt 2 is formed at the back end of the engagement tool body 5 over the entire length in the width direction. One end of the
By fixing with the caulking metal fitting 10 or the like, the engaging tool main body 5 is formed.
Is attached to the belt 2.

As shown in FIG. 2, the slide bar 6 has a small-diameter portion 12, a large-diameter portion 13, a small-diameter portion 12a,
A large-diameter portion 13a is formed, and a stopper 14 is provided in the middle of the small-diameter portion 12 at one end, which is in contact with the inside of the small-diameter opening 11 of the insertion hole 7, and the large-diameter portion 13a near the other end is provided. A concave portion 15 is formed on the end face, and a spring 16 made of a coil spring is housed in the concave portion 15. The slide bar 6 is passed through the insertion hole 7 from the other end of the engagement tool body 5,
After projecting the small-diameter portion 12 outward from the small-diameter opening 11, the other end of the insertion hole 7 is closed by a lid 27, and the spring 16 abuts on the lid 27, and the slide bar 6 is moved. Spring 1
6 is pressed toward one side end of the engaging member main body 5 by the elastic force of the slide bar 6, and in a state where the slide bar 6 is pressed toward one side end, that is, in a normal state, one side end of the slide bar 6 is The large-diameter portions 13 and 1 protrude outward from the engagement tool body 5.
3a is located in the notch 8 of the engaging member main body 5, and when the slide bar 6 is pushed toward the other side end against the resilience of the spring 16, its small diameter portions 12, 12a are notched. It is located at.

The second engaging member 4 is a flat engaging member main body 25.
A belt insertion band piece 17 is provided on the back surface of the front end of the engagement tool main body 25 on the connection side with the first engagement tool 3, across both ends in the width direction, and both sides of the belt insertion band piece 17 on the connection side are provided. On the other hand, it is convexly curved toward the engagement tool main body 25 side and removably engages with the slide bar 6 in the notch 8 of the first engagement tool 3.
Number of hooks 18 are respectively provided, the inside diameter of the hook 18 is Ru is slightly larger in diameter than the large diameter portion 13,13a of the slide bar 6. The hook 18 has a width equal to that of the slide bar 6.
Larger than the outer diameter of the small diameter portions 12 and 12a
It has an opening 26 that is smaller than the outer diameter of the parts 13, 13a.
The opening 26 is provided in the large diameter portion 13, 13 a of the slide bar 6.
Is fitted to the hook 18 and the slide bar 6
When the first engaging member 3 and the second engaging member 4 are arranged in a line even if the small diameter portions 12 and 12a of the The hook 18 is formed in such a size and direction that the hook 18 cannot be inserted into and removed from the slide bar 6.

Further, on the side of the engaging member main body 25 opposite to the side connected to the first engaging member 3, projections 19 provided on the back surfaces of both side edges, respectively, are rotatable between the projections 19. A belt mounting portion is provided, which is provided with a pressing plate 20 erected at the center of the pressing plate 20. A bent portion 21 that abuts on the back surface of the belt 2 is formed in the middle portion of the pressing plate 20 along the width direction. A bent piece 22 that cuts into the back surface of the belt 2 is formed on the side, and protrusions 23 provided on both side ends of the bent piece 22 are inserted into holes 24 formed in the protruding portion 19.
A pressing plate 20 is rotatably attached to the protrusion 19.

To attach the second engaging member 4 to the belt 2, as shown in FIG. 3, the pressing plate 20 is rotated in the direction of arrow “a” so that the portion between the bent piece 22 and the engaging member main body 25 is moved. The gap is widened, and the other end of the belt 2 is passed between the engagement tool main body 25 and the pressing plate 20 and between the engagement tool main body 25 and the belt insertion strip 17 so that the belt 2 is suitable for the user's waist. The second engaging member 4 is slid until the pressing plate 20 is turned to rotate the pressing plate 20 in the direction opposite to the arrow a so that the bent portion 21 of the pressing plate 20 and the bent piece 22 are pressed against the back surface of the belt 2. , The second engagement member 4 is positioned with respect to the belt 2.

Next, a method of using the buckle 1 will be described. When the belt 2 is worn, first, the protruding one end of the slide bar 6 of the first engagement member 3 is pressed with a finger as shown in FIG. By pushing the small diameter portions 12 and 12a of the slide bar 6 into the cutouts 8 by pushing the slide bar 6 into the engagement tool body 5, the gap between the rear end of the cutout 8 and the side surface of the slide bar 6 is increased. . Next, as shown in FIG. 5, the tip of the hook 18 of the second engaging tool 4 is directed toward the back surface of the belt 2 so that the engaging tool main body 25 intersects the engaging tool main body 5 at a substantially right angle. From the opening 26 of the hook 18, the small-diameter portion 12, 1
After inserting the hook 2a and inserting the hook 18 between the notch 8 and the slide bar 6 from the front side, the engaging tool main body 25 is rotated to align the engaging tool main body 25 and the engaging tool main body 5 in a line. The hook 18 is engaged with the slide bar 6 as shown in FIG.

Then, when you release your finger from the slide bar 6,
The slide bar 6 slides in one end direction by the elastic force of the spring 16, and the large-diameter portions 13 and 13 a of the slide bar 6 enter the notch 8 and engage with the inner periphery of the hook 18, and The gap between the rear end of the notch 8 and the side surface of the slide bar 6 is reduced, thereby preventing the hook 18 from coming off. When the buckle 1 is removed, the hook 18 may be pulled out of the notch 8 in the reverse process to separate the first engagement member 3 from the second engagement member.

[0014]

According to the buckle of the present invention, a slide bar is slidably inserted into an insertion hole formed at the connection end of the first engagement tool, and the buckle extends from the connection end of the first engagement tool to the back. A notch is formed toward the end, the slide bar is urged toward one side end, and a portion located in the notch when the slide bar slides toward the other end is a small diameter portion, and the slide bar is The portion located in the notch in the normal state is a large diameter portion,
A hook is provided on the back surface of the engaging tool so as to be detachably engaged with the slide bar in the notch, and the hook can be attached to and detached from the notch only when the small diameter portion of the slide bar is located in the notch. Only when the slide bar is pushed into the first engagement member against the urging force, the second engagement member can be disengaged from the first engagement member, and the forcible force is applied to the slide bar. The hook does not come off when it is not in use, so that the belt in use can be completely prevented from falling off, and the belt can be easily attached and detached simply by pushing the slide bar and pulling out and inserting the hook. Even if the small diameter portion of the slide bar is located in the notch for some reason, if the first engagement tool and the second engagement tool are aligned, the slide bar is pulled out from the opening of the hook. Can not do Situation in even slide bar is pressed the first engaging member and the second engaging member and without is out of,
Operation is reliable.

Further, since both ends of the belt are engaged by the engagement of the slide bar of the first engaging member and the hook of the second engaging member, there is no need to form a hole in the belt, and the belt is not required to have a hole. There is no worry about the strength drop.

[Brief description of the drawings]

FIG. 1 is a rear perspective view of a buckle according to an embodiment of the present invention.

FIG. 2 is a front view of a slide bar.

FIG. 3 is a plan view of a second engagement member and a belt.

FIG. 4 is a front view of a buckle showing a first process of engagement between a second engagement member and the first engagement member.

FIG. 5 is a front view of a buckle showing a second process of engagement between the second engagement tool and the first engagement tool.

FIG. 6 is a front view of the buckle showing a third process of engagement between the second engagement tool and the first engagement tool.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 buckle 2 belt 3 first engaging tool 4 second engaging tool 5 engaging tool main body 6 slide bar 7 insertion hole 8 notch 9 belt insertion groove 10 swaging metal fitting 11 opening 12, 12 a small diameter section 13, 13 a Large diameter portion 14 Stopper 15 Recess 16 Spring 17 Belt insertion strip 18 Hook 19 Projection 20 Press plate 21 Bend 22 Bending piece 23 Projection 24 Hole 25 Engagement tool main body 26 Opening 27 Lid

Claims (1)

(57) [Scope of request for utility model registration] 1. A first engaging member having a belt attaching portion and a first engaging member having a belt fixing member, and the insertion hole has a width near an end on a connection side of the first engaging member. And a notch is formed from the distal end on the connection side to the rear end, and a slide bar is slidably inserted into the insertion hole so as to protrude from one end, and the slide is inserted. When the bar is slid toward the other end of the insertion hole, the portion located in the notch is a small-diameter portion, and the portion located in the notch in the normal state of the slide bar is a large-diameter portion. A hook that is curved on the back surface of the connection-side tip of the second engaging tool so as to protrude toward the main body of the second engaging tool and detachably engages with the slide bar within the notch;
The inside diameter of the hook slightly large diameter than the large diameter portion of the slide bar, the hook is greater than the outer diameter of the small diameter portion of the slide bar, also have the opening has smaller than the outer diameter of the large diameter portion
And, and, the opening is characterized in that there is a evacuation impossible direction from the small-diameter portion of the slide bar when the the first engaging member and the second engaging member are arranged in a line buckle.