JPH088642Y2 - Watch band fasteners - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fastener for a watch band, and more particularly to a fastener for a watch band capable of reliably holding a fastened state of a buckle upper plate hinged to a buckle lower plate.

[0002]

2. Description of the Related Art Generally, wristwatch bands are fastened with snap buckles. In the conventional snap buckle, a snap buckle consisting of a buckle lower plate and a buckle upper plate is pin-coupled to one end of the band, and a fastening frame is pin-coupled to the other end of the band. The buckle upper plate is folded and overlapped with the buckle lower plate in a state of being hooked on the upper plate side retaining hook, and the buckle upper plate side fixing claw is snap-engaged with the buckle lower plate side member.

[0003]

However, in the conventional snap buckle described above, the tip portion of the buckle upper plate easily protrudes upward from the upper surface of the band, and the tip hits a peripheral object to open the buckle upper plate to form the band. There was a problem that it became loose and easy to come off. In addition, in ultra-high-priced watches that use precious metals or jewelry, the band is often used longer. In this case, the snap buckle rarely rotates around the pin and the buckle takes an upright posture, which may damage the cuffs of clothes, injure the arm, or injure others. . further,
Since the tip of the buckle upper plate contacts the buckle connecting piece so as to ride on it, a step corresponding to the thickness of the buckle upper plate is generated, which is an aesthetic problem.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to eliminate the problems of the above-mentioned conventional fasteners for a watch band, and to provide a fastener for a watch band capable of securely holding the upper buckle plate against the lower buckle plate. To provide.

[0005]

SUMMARY OF THE INVENTION To achieve the above object, the present invention allows a buckle lower plate to be pin-coupled to an end of a first band, and a buckle upper plate can be folded at a free end of the buckle lower plate. On the other hand, in the fastener of the watch band, which is pin-joined, the fastening frame is pin-coupled to the end of the second band, and the fastening pin of the fastening frame is hung on the fastening hook provided on the inner surface of the buckle upper plate. A first fixing claw and a second fixing claw are provided on the inner surface of the buckle upper plate at a predetermined distance in the longitudinal direction of the band, and the first fixing claw is snap-engaged with the edge of the buckle lower plate. Also, a locking groove is formed on the tip surface of the upper plate stop of the buckle connecting piece at the end of the first band, and the second fixing claw is snap-engaged with the locking groove. Is.

In another invention of the present application, a locking groove for snap-engaging the second fixing claw of the buckle upper plate is joined to the front end face of the most advanced band piece or the front end of the mesh band. Are formed on the tip surface of each.

[0007]

When the buckle of the fastener of the watch band of the present invention is fastened, the buckle upper plate of the snap buckle of the first band is raised and the fastening pin of the fastening frame at the end of the second band is attached to the side of the first band. Hook on the retaining hook on the inside of the buckle top plate. Fold the buckle upper plate around the hinge pin, stack it on the buckle lower plate, and snap the first fixing claw to the end of the buckle lower plate, and the second fixing claw to the front end of the buckle connecting piece upper plate clamp. The engagement groove is snap-engaged with the surface. In this way, by using the two fixing claws for the snap engagement, the rotation of the snap buckle can be regulated and the fastening state can be surely maintained.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of a fastener for a watch band according to the present invention will be described below with reference to the drawings. 1 (A) and 1 (B), reference numeral 1 shows a part of the first band extending from the side case of the wristwatch at the 6 o'clock position. The connecting piece 2 is pin-connected by the pin 4. The buckle connecting piece 2 includes a pair of side arms 3 and 3 arranged in parallel with the longitudinal direction of the band.
It is composed of an upper plate stopper 5 connecting between them in a U-shape. A step portion 5a slightly lower than the surface is formed on a part of the upper surface of the upper plate stopper 5, and a pair of locking grooves 6, 6 is formed on the front end surface. A buckle lower plate 8 is pin-connected to the tips of the side arms 3 and 3 via connecting pins 7. At the free end of the buckle lower plate 8, a buckle upper plate 10 is hinge pin 11
It is pivotally attached so as to be foldable through.

On the inner surface of the buckle upper plate 10, a hook-like holding hook 12 is projected. The fastening hook 12 is provided so that the jaw 12a is projected forward. Further, on the inner surface of the buckle upper plate 10, near the free end, the first fixing claws 14, 14 and the second fixing claws 15, 15 are provided with a predetermined distance in the longitudinal direction. There is. These fixed claws 14, 14, 15, 15
Are spaced apart from each other on both sides of the buckle upper plate 10 in the width direction.

The first fixing claws 14 and 14 are snap-engaged with the end edges 16 and 16 of the buckle lower plate 8 when the buckle is fastened, and the second fixing claws 15 and 15 are
The buckle connecting piece 2 is snap-engaged with the engaging grooves 6, 6 of the upper plate stopper 5. At this time, the tip of the buckle upper plate 10 enters the step portion 5a of the upper plate stopper 5 so that its surface is flush with the surface of the watch band.

Further, as shown in FIG. 2, the buckle upper plate 1
The safety plate 17 is located at a position near the hinge pin 11 of 0.
Are hinged via pins 18. This safety plate 17 has a safety claw 19 on the lower surface of the tip,
The safety claw 19 can be engaged with a locking groove 20 formed at the base of the first fixed claws 14, 14.

On the other hand, in FIG. 1, reference numeral 21 shows a part of the second band extending from the 12 o'clock position of the side case of the wristwatch.
2 are pin-connected by a pin 23. Retaining frame 22
Has a pair of side arms 24, 24 arranged parallel to the longitudinal direction of the band, with a retaining pin 25 at their tips.
Is stuck.

Next, a mode of using the above-mentioned fastener of the watch band will be described.

First, the wristwatch band in the released state is hung around the arm, the buckle upper plate 10 is opened, and the claw 19 of the safety plate 17 is released, as shown in FIG. The fastening frame 22 is dipped into the buckle upper plate 10, the fastening pin 25 is hooked on the fastening hook 12, the safety plate 17 is lowered, and the pawl 19 is engaged with the locking groove 20. Then, the buckle upper plate 10 is folded so as to overlap the buckle lower plate 8, and the first fixing claws 14 and 14 are snap-engaged with the end edges 16 and 16 of the buckle lower plate 8. 15 and 15 are snap-engaged with the locking groove 6 of the upper plate stopper 5. At this time, the tip portion of the buckle upper plate 10 rides on the step portion 5a of the upper plate stopper 5 and the surface thereof is flush with the surface of the band.

Next, with reference to FIGS. 5 and 6, a watch band fastener according to another embodiment of the present invention will be described.

In the embodiment shown in FIG. 5, the second fixed claw 1 is used.
Firstly, locking grooves 6 and 6 for snap engagement of 5 and 15
Of the series of band pieces constituting the band 1 of FIG. On a part of the upper surface of the band piece 26, a step portion 26 slightly lower than the surface is formed.
a is formed. The band piece 26 is connected to the side arms 3 and 3 of the buckle connecting piece 2 through the pin 4, and the upper plate stopper 5 of the above-described embodiment is omitted.

The embodiment shown in FIG. 6 is an example in which the present invention is applied to a mesh type wristwatch band 27. In this embodiment, an upper plate stopper 28 is roll-bonded to the end surface of the band 27, and locking grooves 6 and 6 are formed on the tip surface of the upper plate stopper 28. The upper surface of the upper plate stopper 28 is brazed and joined slightly lower than the surface of the mesh band to form a step portion 28a.

Also in these embodiments, similarly to the first embodiment, the second buckle formed on the buckle upper plate 10 side.
The fixing claws 15 and 15 of the band piece 26 or the upper plate stopper 2
It is snap-engaged with locking grooves 6 and 6 formed on the tip surface of 8.

[0019]

As described above, according to the present invention, the first and second fixing claws are provided so as to project from the inner surface of the buckle upper plate at a position close to the free end thereof, and the first fixing claw is secured when the buckle is fastened. Snap-engages with the edge of the buckle lower plate, and the second fixing claw engages with the upper plate of the buckle connecting piece or the locking groove on the front end of the top end of the upper end of the band piece or mesh band. Therefore, the buckle upper plate can be securely held in the fastening state, and the buckle can be prevented from rotating. Further, since the upper plate stopper where the buckle upper plate overlaps or the step portion is formed on the upper surface of the most advanced band piece, the buckle upper plate is flush with the surface of the band when the buckle is fastened, which is aesthetically preferable.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of a fastener for a watch band according to the present invention.

FIG. 2 is a perspective view seen from the inside of the buckle upper plate.

FIG. 3 is a perspective view showing a state in which a fastening frame is combined with an upright buckle upper plate.

FIG. 4 is a side sectional view of the buckle in a fastened state.

FIG. 5 is a perspective view showing a fastener of a watch band according to another embodiment of the present invention.

FIG. 6 is a perspective view showing a fastener of a watch band according to still another embodiment of the present invention.

[Explanation of symbols]

 1 1st band 2 Buckle connecting piece 5 Upper plate stop 5a Step 6 Locking groove 10 Buckle upper plate 12 Fastening hook 14 First fixing claw 15 Second fixing claw 16 Edge 22 Fastening frame 25 Fastening pin 26 Fastest Band piece at the tip 27 Mesh band 28 Top plate stop

Claims (3)

[Scope of utility model registration request] 1. A buckle lower plate is pin-connected to an end of a first band, and a buckle upper plate is foldably pin-connected to a free end of the buckle lower plate, while a fastening frame is connected to an end of the second band. In a fastener for a watch band, which is configured to be pin-coupled and to which a retaining pin of this retaining frame is hooked on a retaining hook provided on the inner surface of the buckle upper plate, an engaging portion is directed outward on the inner surface of the buckle upper plate . First fixed claw and engagement
A second fixing claw with its portion facing inward is provided at a predetermined distance in the longitudinal direction of the band, and the first fixing claw is snap-engaged with the edge of the buckle lower plate and the end of the first band is A fastener for a watch band, characterized in that a locking groove is formed on the tip surface of the upper plate stopper of the buckle connecting piece, and the second fixing claw is snap-engaged with the locking groove. 2. A buckle lower plate is pin-connected to the end of the first band, and a buckle upper plate is foldably pin-connected to the free end of the buckle lower plate, while a fastening frame is attached to the end of the second band. In a fastener for a watch band, which is configured to be pin-coupled and to which a retaining pin of this retaining frame is hooked on a retaining hook provided on the inner surface of the buckle upper plate, an engaging portion is directed outward on the inner surface of the buckle upper plate . First fixed claw and engagement
A second fixing claw with its portion facing inward is provided at a predetermined distance in the longitudinal direction of the band, and the first fixing claw is snap-engaged with the end edge of the buckle lower plate, and at the same time the uppermost part of the first band is fixed. A fastener for a watch band, characterized in that a locking groove is formed on the front end surface of the band piece at the front end, and the second fixing claw is snap-engaged with the locking groove. 3. A buckle lower plate is pin-connected to the end of the first band, and a buckle upper plate is foldably pin-connected to the free end of the buckle lower plate, while a fastening frame is connected to the end of the second band. In a fastener for a watch band, which is configured to be pin-coupled and to which a retaining pin of this retaining frame is hooked on a retaining hook provided on the inner surface of the buckle upper plate, an engaging portion is directed outward on the inner surface of the buckle upper plate . First fixed claw and engagement
A second fixing claw with its portion facing inward is provided at a predetermined distance in the longitudinal direction of the band, and the first fixing claw is snap-engaged with the edge of the buckle lower plate, and the mesh type first A watch band fastener, characterized in that an upper plate stopper is joined to the tip of the band, and a second fixing claw is snap-engaged with a locking groove formed on the tip surface of the upper plate stopper. .