JPH07184710A - Fastening metal fitting - Google Patents

Abstract

PURPOSE:To eliminate runout, and enhance safety by inserting a hooking-fastening hook situated in a position close to the tip of a hooking-fastening link in an engaging hole of an engaging link, and releasing a hooking-fastening condition only when both outside end surfaces of a pair of locking members are pressed in a condition of being hooked on and fastened to the pair of locking members. CONSTITUTION:In this fastening metal fitting, a link 3 to be hooked and fastened is connected to one end piece 2 of a band body 1 for a wristwatch, and an engaging link 5 is connected to the other end piece 4. A hooking-fastening link 7 is rotatably connected to the tip of the engaging link 5, and a pair of locking members 8 which are slidably fitted in a through-hole 6 of the engaging link 5 and whose both outside end surfaces are energized in the projecting direction, are provided. Only when both outside end surfaces 8a of the pair of locking members 8 are simultaneously pressed in a condition where the hooking fastening link 7 is inserted in a ring 9 to be hooked and fastened of the link 3 to be hooked and fastened and a hooking-fastening hook 10 situated in the hooking-fastening link 7 is inserted in an engaging hole 5a of the engaging link 5 and the hooking-fastening hook 10 is hooked on and fastened to the pair of locking members 8, the fastening metal fitting can release a fastening condition.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is intended for wristwatch bands, bracelets, and other jewelry rings for personal wear (these items will be collectively referred to as "bands" hereinafter), and both ends thereof. The present invention relates to a fastener for stopping each other.

[0002]

2. Description of the Related Art Conventionally, for example, when a wristwatch band is fastened to an arm, a band formed by connecting a large number of pieces on both sides of the wristwatch is made sufficiently longer than the wrist, and a part of the band is used. There has been a device in which a foldable stop metal member that is continuously provided is folded in, and the end portion of the stop metal member is pressed and stopped to be fixed to the arm. In addition, a plurality of holes are opened at intervals in a leather band or a synthetic resin band, and an insertion pin of a fastener provided on the other band end is inserted into any of the plurality of holes to be fixed. It is used.

[0003]

However, in the former case, there is a problem that it may come off, and in the latter case, there is a problem that the safety is insufficient.

SUMMARY OF THE INVENTION The present invention has been made in view of the above conventional problems, and an object of the present invention is to provide a fastener having high safety and being hard to come off.

[0005]

In order to achieve the above object, the present invention as set forth in claim 1, is a fastener for stopping both ends of a band-shaped object, wherein one end of the object is hooked. A hooked link that forms and connects a retaining ring, a through hole that extends in the width direction, and an engaging hole that communicates with the through hole and extends in the thickness direction and is connected to the other end of the object. A mating link, a hooking link having a hooking hook at a position near the tip end, which is inserted into a hooked ring of the hooked link and rotatably connected to a tip end of the engagement link; And a pair of locking members that are slidably fitted in the through holes, are combined in a concavo-convex relationship, and are urged in a direction in which both outer end surfaces are separated from each other,
The hooked state can be released only when both the outer end surfaces are simultaneously pressed in a state where the hook is inserted into the engagement hole and hooked on the pair of locking members. . According to a second aspect of the present invention, when the both outer end surfaces are simultaneously pressed while the hooks are hooked to the pair of locking members, the hooks recede from the pair of locking members. It is characterized by having a flip-up mechanism that can be swept away.

[0006]

The stopper according to the present invention is slidably fitted into a through hole opened along the width direction of the engaging link and is combined in a concavo-convex relationship so as to urge both outer end faces away from each other. And a locking link rotatably connected to the tip of the engaging link is inserted into the latched ring of the latched link, and is located near the tip of the latching link. Only when both outer end surfaces of the pair of locking members are simultaneously pressed in a state where the locking hook is inserted into the engaging hole of the engaging link and locked by the pair of locking members, By being releasable, it is possible to eliminate disconnection and enhance safety.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the drawings by taking a case where a wristwatch band is an object as an example. FIG. 1 is a perspective view showing a state in which a stopper according to an embodiment of the present invention is being removed and is in the middle of being stopped, FIG. 2 is a perspective view in which a part of FIG. 1 is cut away, and FIG. It is an exploded perspective view showing mutual relation of an important section.

In the fastener according to this embodiment, one end piece 2 of the wristwatch band body 1 is connected to the hooked link 3 and the other end piece 4 is connected to the engagement link 5, respectively.
A pair of locking members 8, which are rotatably connected to the ends of the engaging links 7, are slidably fitted in the through holes 6 of the engaging links 5, and are biased in a direction in which both outer end surfaces project. 8 is provided, the latching link 7 is inserted into the latched ring 9 of the latched link 3, and the latching hook 10 on the latching link 7 is inserted into the engaging hole 5 of the engaging link 5.
The hook 10 is inserted into the pair of locking members 8 and 8.
It is possible to release the stopped state only when both outer end surfaces 8a, 8a of the pair of locking members 8, 8 are simultaneously pressed in the stopped state in which the hook is locked.

The hooked link 3 is formed by integrally molding both parallel arms 12, 12 and a relay piece 13 and a connecting piece 14 that form a right angle to the parallel arms 12, 12 to form a square hooked ring 9, and the relay portion 13 is formed. Notch 1 with width and depth matching the width and thickness of the hooking link 7
3a is provided and is rotatably connected by a width direction shaft 15 provided on the one end piece 2 of the band body 1.

The engaging link 5 is integrally provided with an engaging portion 16 and a connecting portion 17 following the tip thereof, and the base end of the engaging portion 16 is rotatably connected to the other end piece 4 by a connecting shaft 18. , The through hole 6 along the width direction of the engaging portion 16 and the through hole 6
Square engaging hole 5a communicating with the outer surface and opening in the thickness direction from the outer surface
And a pair of bearings 19, 1 on the flat outer surface of the connecting portion 17.
9, a link connecting shaft 20 along the width direction is supported by the pair of bearings 19, 19. The engaging portion 16 is
The outer surface is provided with a receiving groove 22 having a width and a depth substantially matched with the width and thickness of the hooking link 7, and a mounting groove 23 formed by further digging a part of the groove bottom of the receiving groove 22. A retaining member 27 is fitted on the cover.

Further, the engagement link 5 has a dimension from the flat outer surface of the coupling portion 17 to the outermost surface of the engagement portion 16 matched with the dimension of the hooked link 3 in the thickness direction, and the engagement portion 16 and the coupling portion 5. The width of the portion 17 is matched with the width of the hooked link 3. The retaining member 27 integrally includes an elastic plate-shaped portion 28 having a quadrangular cross section and a retaining protrusion 29 formed by bending the tip inward, and the plate-shaped portion 28 is bent in a direction in which the tip is outwardly warped. The plate-shaped portion 28 is bent, and the base end side of the plate-shaped portion 28 is inserted into the mounting groove 23 and fitted into the engaging portion 16, and the retaining projection 29 is inserted into the engaging hole 5a.

The latching link 7 has a rectangular plate-shaped link body 31 having a latching hook 10 projecting at a position closer to the tip and a bearing base 32 projecting on the same side as the latching hook 10 at a position closer to the base end. The link connecting shaft 20 through the
It is rotatable about 0 and is inserted into the hooked ring 9 of the hooked link 3. The length of the latching link 7 is set to be shorter than the entire length of the engaging link 5. The hook 10 is provided with overhanging pieces 33, 33 on both sides of the head, and the tapered taper surface 3 of the head end including the overhanging pieces 33, 33.
4 and the retaining surfaces 35, 3 facing the tapered surface 34
5 is formed.

As shown in FIG. 3, the pair of locking members 8 and 8 have respective outer end portions 36 and inner end projections 3 parallel to the outer end portions 36.
7 and a relay portion 38 in a direction orthogonal to these, a recess 39 is formed, and the inner end projection 37 of the other is put in one recess 39 and they are combined in a concavo-convex relationship, and they are engaged in this combined state. It is slidably inserted into the through hole 6 of the link 5.

Further, the pair of locking members 8, 8 have a spring accommodating hole 24 which is bored over a part of both outer end portions 36, 36 and one relay portion 38, and have a long hole shape. Both outer end surfaces 8a,
8a is urged by the compression spring 25 in the accommodation hole 24 in the direction in which they are separated from each other, and the retaining projection of the retaining member 27 is provided in the square hole 40 having a square cross section formed between the inner protrusions 37, 37. 29 enters and is prevented from coming off. As shown in FIG. 5, receiving grooves 42, 42 into which the projecting pieces 33, 33 of the hook 10 are inserted are provided at predetermined positions of the inner end projections 37, 37 of the pair of locking members 8, 8. Hooking receiving surfaces 42a, 42a are formed at the back of the receiving grooves 42, 42.

The flip-up mechanism 44 is constituted by a retaining member 27 having an elastic plate-like portion 28 which is bent outward, and in a state in which the retaining hook 10 is engaged with the pair of retaining members 8, 8. The plate-like portion 28 is pressed by the link body 31 of the hooking link 7 and elastically deforms to be substantially straight, but both outer end surfaces 8a, 8a are pressed simultaneously to lock the hooking hook 10 as a pair of locking members. When removed from 8, 8, the latching link 7 is flipped up by the elastic restoring force of the plate-like portion 28, and the latching hook 10 is retracted from the pair of locking members 8, 8.

When the wristwatch is fastened to the wrist using the band according to the above-mentioned embodiment, as shown in FIG.
Is inserted into the hooked ring 9 of the hooked link 3, the hooked link 3 is brought into contact with the flat outer surface of the connecting portion 17 of the engagement link 5, and the portion of the hooked link 7 near the tip is pressed from the outside. By pressing, the hook 10 is hooked to the pair of locking members 8, 8.

When the wristwatch is detached from the wrist, when both outer end surfaces 8a, 8a of the pair of locking members 8, 8 are simultaneously pressed, the flip-up mechanism 44 operates and the latching link 7 is flipped up. The hooked link 7 that has been flipped up is rotated with respect to the engagement link 5 to an appropriate angle as shown in FIG. 1, and the hooked link 3 is removed from the hooked link 7.

The stopper according to the above embodiment has a notch 13
The width and depth of a and the receiving groove 22 are matched with the width and thickness of the hooking link 7, and the dimension from the flat outer surface of the connecting portion 17 to the upper surface of the engaging portion 16 is measured in the thickness direction of the hooked link 3. The width of the engaging portion 16 and the connecting portion 17 is adjusted to the width of the hooked link 3, and the length of the hooking link 7 is set to be shorter than the total length of the engaging link 5. Therefore, when the wristwatch is attached to the wrist, it looks very good as shown in FIG.
Since there is no protrusion, the safety is high, and since the retaining member 27 also serves as the flip-up mechanism 44,
There is an advantage that it is not necessary to incorporate a separate spring or the like.

The present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit of the invention. For example, instead of sticking to the name of the metal stopper, instead of metal, part or all of it may be made of synthetic resin, and it is also applied to bracelets and other jewelry rings for personal wear other than wristwatch bands. It is possible.

[0020]

According to the first aspect of the present invention, both outer end surfaces are separated from each other by being slidably fitted into the through hole opened along the width direction of the engaging link and being combined in a concavo-convex relationship. With a pair of locking members that are biased in the same direction, and the hooking link that is rotatably connected to the tip of the engaging link is inserted into the hooked ring of the hooked link, and close to the tip of the hooking link. The hooks at the positions are inserted into the engaging holes of the engaging links and are locked to the pair of locking members only when both outer end surfaces of the pair of locking members are simultaneously pressed. Since it is possible to release the stopped state, it is impossible to unintentionally or carelessly press both outer end surfaces at the same time, so it is possible to reliably prevent the band etc. from coming off unexpectedly, and use the insertion pin etc. Since there is no need to do so, the effect of improving safety is achieved. According to the second aspect of the present invention, since the flip-up mechanism is provided, when both outer end surfaces of the pair of locking members are simultaneously pressed in a state in which the locking hooks are locked to the pair of locking members. The hook can be retracted from the pair of locking members, and when it is necessary to truly remove it, the removing operation becomes very easy.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which a stopper according to an embodiment of the present invention is in the middle of being stopped.

FIG. 2 is a perspective view showing a part of FIG. 1 in a cutaway manner.

FIG. 3 is an exploded perspective view showing a mutual relationship of main parts of the fastener according to the embodiment of the present invention.

FIG. 4 is a perspective view showing a stopped state of a stopper.

FIG. 5 is a bottom view showing a pair of locking members according to the embodiment of the present invention.

[Explanation of symbols]

 1 band main body 2 one end piece 3 hooked link 4 other end piece 5 engagement link 7 hooking link 8 hooking member 8a outer end surface 9 hooked ring 10 hooking hook 27 retaining member 44 flip-up mechanism

Claims (2)

[Claims] 1. A stopper fitting for stopping both ends of a band-shaped object, wherein a hooked link is formed by connecting a hooked ring to one end of the object, and a through hole extending in the width direction. An engaging link that communicates with the through hole and extends in the thickness direction and is connected to the other end of the object, and an engaging hook at a position near the tip end of the engaged link. A latching link that is inserted into a retaining ring and rotatably connected to the tip of the engaging link and a slidably fitted into a through hole of the engaging link and combined in a concave-convex relationship so that both outer end surfaces are mutually A pair of locking members that are biased in the separating direction are provided, and the both outer end surfaces are simultaneously pressed in a state in which the locking hook is inserted into the engagement hole and is locked by the pair of locking members. A stopper which is capable of releasing the hooked state only when it is carried out. 2. A flip-up mechanism for retracting the hooks from the pair of locking members when the both outer end surfaces are simultaneously pressed while the hooks are hooked on the pair of locking members. The fastener according to claim 1, wherein the fastener is provided.