JP3153253U - Decorative chain fasteners - Google Patents

Abstract

An object of the present invention is to provide a decorative chain fastener that can simplify the overall structure as much as possible and can be reduced in size and weight. A metal fitting main body 1 having an insertion portion 1a for inserting a chain 3 and a metal chain 3 inserted through the insertion portion 1a of the metal fitting main body 1 are elastically constrained and held. It is comprised with the elastic body 2 fitted by. The metal fitting body 1 may have a cylindrical shape or a hook-like portion and a lid portion. The elastic body 2 may be formed with a through hole through which the chains 3 are inserted, or may be pressed from one side. [Selection] Figure 1

Description

  The present invention relates to a fastener for a decorative chain.

  Conventionally, as a fastener for decorative chains such as a necklace and a bracelet, there is a laundry scissors type consisting of a pair of clamping pieces biased by a spring with a closing force (see, for example, Patent Documents 1 and 2).

JP 2006-198348 A Japanese Patent Application No. 2007-195606

  Since the fastener of Patent Document 1 has an attachment form in which a chain is clamped from the side by a pair of clamping pieces, it is easy to come off from the chain, and a chain clamping part is provided on the distal end side of the hinge part. It is necessary to form an operation knob on the rear end side of the hinge part, and there is a problem that the overall shape becomes large, and an external force is easily applied to the operation knob formed on the protrusion. In order to facilitate the operation, it is necessary to reduce the spring force, the clamping piece opens with a little external force, the chain is released and the chain loop is released, and the whole is dropped and lost. There is a problem that it is easy.

Further, the fastener of Patent Document 2 is provided with a return portion on one of the pair of sandwiching pieces so that it is difficult to come off from the chain even when the sandwiching piece is opened by an external force. In this case, a return portion is provided. Therefore, there is a problem in that the holding piece is further enlarged and the shape of the other side that can be held is limited to a ring that connects the rings.
The present invention has been made in view of the above-described problems of conventional fasteners, and an object of the invention is to provide a fastener for decorative chains that can be made as simple as possible in size and reduced in size and weight. In addition, in the present invention, the chain means various kinds of chains applied to jewelry such as necklaces and bracelets, beads, pearls, strings, beads threaded through core thread, curved beads / tubular jewelry, precious stones, It should be understood that it includes all decorative accessories such as artificial stones that are continuously spelled out.

In order to achieve the above object, the present invention provides a metal fitting main body having an insertion portion for inserting a chain, and the metal fitting main body so as to elastically restrain and hold the chains inserted through the insertion portion of the metal fitting body. It is characterized by being comprised with the elastic body fitted by.
According to this configuration, since the chains inserted into the insertion part of the metal fitting body are elastically restrained and held by the elastic body fitted in the metal fitting body, the stopper metal comes off the chains. In order to move the stopper, the chain or the stopper can be pulled relatively against the elastic restraining force of the elastic body, and the length of the chain can be adjusted or the stopper can be moved. Can be easily adjusted, and the fastener can be simplified and reduced in size and weight.

The metal fitting body has a cylindrical shape surrounding the insertion portion, and the elastic body is fitted inside the cylindrical shape, and an insertion portion for inserting chains into the elastic body. Is formed penetrating along the axial direction of the cylindrical body.
According to this configuration, the metal fitting main body and the elastic body can be simplified and reduced in size and weight, and the chains inserted through the metal fitting main body are surrounded by the elastic body to be protected from the surroundings. Can be prevented from being damaged.
In the metal fitting body, it is desirable that a window hole for fitting the elastic body into the cylindrical shape is formed in the outer peripheral portion of the cylindrical shape.

According to this configuration, it is easy to fit the elastic body in the metal fitting body.
The metal fitting body has a cylindrical shape, and the elastic body is fitted inside the cylindrical shape. An insertion portion for inserting a chain is inserted into the metal fitting body and the elastic body. It may be formed as a through hole that is orthogonal to the cylindrical axis of the shape.
According to this configuration, the elastic body can be prevented from being detached from the metal fitting body by the inserted chains, so that the shape of the metal fitting body can be a simple cylindrical shape, and the formation of the retaining portion is omitted. Can do.

The metal fitting body is composed of a hook-like portion having an opening for fitting the elastic body in an upper portion thereof, and a lid portion pivotably attached to the hook-like portion so as to close the opening. The insertion part may be formed to surround the shape part and the lid part, and the elastic body may be fitted to the insertion part.
According to this configuration, since the elastic body can be fitted into the metal fitting body with the lid portion opened, the elastic body can be easily fitted into the metal fitting body, and the elastic body can be fitted into the metal fitting body. After the fitting, the lid portion can be closed to cover the elastic body, and the appearance appearance can be improved.

It is desirable that a lateral hole for positioning and holding the elastic body is formed in the hook-shaped portion, and a concave groove that contacts the chain is formed on the inner bottom surface side of the hook-shaped portion. .
According to this configuration, the elastic body can be reliably positioned and held in the hook-shaped portion of the metal fitting body, and the chain insertion portion is formed by the inner bottom surface of the hook-shaped portion and the concave groove of the elastic body. Since the chain inserted into the hook-shaped portion will be formed and pressed against the inner bottom surface of the hook-shaped portion from one side with an elastic body, the metal chain body is inserted through the chains, and When moving, it can be carried out easily.

Two metal fittings may be joined so that the insertion parts are parallel or cross.
According to this configuration, by separately inserting the ends of the chains into the two metal fitting bodies joined together, the chains can be made into a loop shape, and the size of the loop can be easily adjusted. it can.
A connecting ring may be attached to the metal fitting body.
According to this configuration, even in one metal fitting main body, one end of the chain is inserted into the insertion portion of the metal fitting main body, and the other end of the chain is connected to the connecting ring, whereby the chains can be made into a loop shape. This makes it easy to adjust the size of the loop, and it is also easy to attach another accessory to the chain by this connecting ring.

  ADVANTAGE OF THE INVENTION According to this invention, the fastener of the chain for decoration which can simplify the whole structure as much as possible, and can be reduced in size and weight can be provided.

In the first embodiment of the fastener according to the present invention, (A) is a perspective view of the metal fitting body, (B) is a perspective view of the elastic body, and (C) is configured by fitting the elastic body in the metal fitting body. FIG. 4D is a longitudinal front view of a state in which a chain is inserted through the fastener. In the second embodiment of the fastener according to the present invention, (A) is a perspective view of the bracket body, (B) is a perspective view of the elastic body, and (C) is a chain formed by fitting the elastic body in the bracket body. FIG. 4D is a longitudinal sectional side view of a fastener that is configured by fitting an elastic body in a metal fitting body. In the third embodiment of the fastener according to the present invention, (A) is a perspective view of the bracket body, (B) is a perspective view of the elastic body, and (C) is a configuration in which the elastic body is fitted in the bracket body. FIG. 4D is a longitudinal front view of a state in which a chain is inserted through the fastener.

DESCRIPTION OF EMBODIMENTS Hereinafter, embodiments of a decorative chain fastener according to the present invention will be described with reference to the drawings.
As shown in FIGS. 1A to 1D, the first embodiment of the stopper metal fitting according to the present invention includes a metal fitting body 1 and an elastic body 2.
The metal fitting body 1 is made of gold, silver, platinum, titanium alloy, or other various metal materials, and has an insertion portion 1 a for inserting the chains 3. The elastic body 2 is made of an elastic material such as silicon rubber, other rubber materials, or a soft resin, and is a metal fitting that elastically restrains and holds the chains 3 inserted into the insertion portion 1a of the metal fitting body 1. It is fitted in the main body 1. In addition, although the chain | strands 3 have illustrated the case of the ball chain, it is not restrict | limited to this, The beads which penetrated various chains, a chain bead, a string, and a core thread, and may be spelled.

  In the first embodiment, the metal fitting body 1 has a cylindrical shape that surrounds the periphery of the insertion portion 1a (illustrated as a cylindrical shape, but is not limited thereto, and is a quadrangular cylinder, a hexagonal cylinder, an octagonal cylinder, etc. The elastic body 2 fitted into the inside of the cylindrical shape is substantially the same shape as the inside of the cylindrical shape or a slightly larger column shape (column, prism, etc.) In the elastic body 2, an insertion portion 2a for inserting the chains 3 is formed through the central portion so as to be along the cylindrical axial direction of the cylindrical shape. The insertion part 2a of the elastic body 2 is formed slightly smaller than the outer diameter of the chains 3 to be inserted.

In the metal fitting body 1, a window hole 1b for fitting the elastic body 2 into the cylindrical shape is provided in the outer peripheral portion of the cylindrical shape over a substantially half circumference. The elastic body 2 is pressed into the metal fitting body 1 while being compressed from the window hole 1b, and is restored by self-elasticity in the metal fitting body 1 and is fitted.
The insertion part 1a of the metal fitting body 1 is formed so as to penetrate in the cylinder axis direction of the metal fitting body 1 having a cylindrical shape, and annular flanges 1c and 1d are formed at both ends of the insertion part 1a. . The annular flanges 1 c and 1 d prevent the elastic body 2 fitted in the metal fitting body 1 from slipping out in the cylinder axis direction of the metal fitting main body 1. Also, convex edges 1e and 1f are formed around the window hole 1b of the metal fitting body 1 to prevent the elastic body 2 from coming out of the window hole 1b.

  FIGS. 2A to 2D show a second embodiment of a fastener according to the present invention. In this second embodiment, the bracket body 1 has a cylindrical shape (a cylindrical shape is exemplified). However, the shape is not limited to this and may be a shape of a square cylinder, a hexagonal cylinder, an octagonal cylinder, etc.), and the elastic body 2 fitted inside the cylindrical shape has the cylindrical shape. It has almost the same shape as the inside or a slightly larger columnar shape (cylinder, prism, etc.), and these metal fitting body 1 and elastic body 2 have cylindrical portions with insertion portions 1a and 2a for inserting chains 3 therein. As a horizontal hole orthogonal to the cylinder axis, a through hole is formed in the center in the cylinder axis direction. In this case, the insertion part 1a of the metal fitting body 1 is formed slightly larger than the outer diameter of the chain 3 to be inserted, but the insertion part 2a of the elastic body 2 is slightly larger than the outer diameter of the chain 3 to be inserted. It is formed small.

In the second embodiment, the chains 3 are used to prevent the elastic body 2 fitted in the metal fitting body 1 from coming off.
FIGS. 3A to 3D show a third embodiment of a fastener according to the present invention. In this case as well, as in the first embodiment described above, the bracket body 1 and the elastic body are shown. 2 are provided.
However, the metal fitting body 1 in the third embodiment has a hook-like part 1h having an opening 1g for fitting the elastic body 2 in the upper part, and a hinge-like part 1h via a hinge pin 1i to close the opening 1g. The lid portion 1j pivotally attached so as to be openable and closable, and the hook-like portion 1h and the lid portion 1j surround and form the insertion portion 1k of the chains 3. And the elastic body 2 is fitted by this insertion part 1k.

The elastic body 2 has a columnar shape (in the case of a cylinder, but may be a prism), and small-diameter convex portions 2b and 2c are formed at both ends.
Side holes 1m and 1n for positioning and holding the elastic body 2 are formed in the hook-shaped portion 1h, and convex portions 2b and 2c at both ends of the elastic body 2 are fitted into the side holes 1m and 1n. The elastic body 2 has a concave groove 2d that abuts against the chains 3 on the inner bottom surface side of the flange-shaped portion 1h.
A knob 1p is formed in the lid portion 1j, and a notch recess 1q is formed in the hook-shaped portion corresponding to the knob 1p. The knob 1p is provided to make it easy to open and close the lid portion 1j, and the notch recess 1q is provided to prevent the knob 1p from being stowed when the lid portion 1j is closed. It has been.

  The first to third embodiments of the fastener according to the present invention have the above-described configuration. For insertion of the chains 3, as an insertion aid, for example, a metal thin wire at the narrow neck at one end of the chains 3 A loop formed by folding the wire 2 is fitted and connected, and the metal wires are pulled to insert the chains 3 into the insertion portion 1a of the metal fitting body 1 and the insertion portion 2a of the elastic body 2 or the concave groove 2d. After the insertion, the metal thin wire is removed and the chains 3 are pulled to move the metal fitting body 1 to a desired position. In this state, since the chains 3 are elastically restrained and held by the elastic body 2, the metal fitting body 1 does not move or deviate without permission. However, if the chain 3 is pulled with the metal fitting body 1, the metal fitting body 1 can be moved to a desired position against the elastic restraining force of the elastic body 2.

A connecting ring 4 is attached to a part of the metal fitting body 1. The connecting ring 4 is used when connecting the ends of the chains 3 or attaching other accessories, and may be a hook shape that can be opened and closed to facilitate attachment and detachment of the accessories. Good.
As described above, according to the first to third embodiments of the fastener of the present invention, the chain 3 inserted into the insertion part 1a or 1k of the metal fitting body 1 is fitted into the metal fitting body 1 with elasticity. Since the body 2 is elastically restrained and held, it is possible to prevent the stopper from falling off the chains 3 and to move the stopper, the elastic restraining force of the elastic body 2 is used. It is only necessary to pull the chains 3 against it, and the length adjustment of the chains 3 and the position adjustment of the fasteners can be easily performed, and the fasteners can be simplified and reduced in size and weight.

In the first embodiment, the metal fitting body 1 has a cylindrical shape surrounding the insertion portion 1a, and the elastic body 2 is fitted inside the cylindrical shape. 2 has a through-hole 2a for inserting the chains 3, so that the metal fitting body 1 and the elastic body 2 can be simplified and reduced in size and weight, and can be inserted into the metal fitting body 1. Since the chains 3 to be used are surrounded and protected by the elastic body 2 from the periphery thereof, the chains 3 can be prevented from being damaged.
In this case, the metal body 1 is provided with a window hole 1b for fitting the elastic body 2 into the inside of the cylindrical shape, so that the elastic body 2 is attached to the metal body 1. It becomes easy to fit inside.

In the second embodiment, the metal fitting body 1 has a cylindrical shape, and an elastic body 2 is fitted inside the cylindrical shape, and the metal fitting body 1 and the elastic body 2 have chains. Since the insertion parts 1a and 2a for inserting 3 are penetrated and formed as a horizontal hole orthogonal to the cylindrical body axis, the elastic body 2 is prevented from being detached from the metal fitting body 1 by the inserted chains 3 Thus, the shape of the metal fitting body 1 can be a simple cylindrical shape, and the formation of the retaining portion can be omitted.
Further, in the third embodiment, the metal fitting body 1 is opened and closed to a hook-like portion 1h having an opening 1g for fitting the elastic body 2 in the upper portion and a hook-like portion 1h to close the opening 1g. The lid portion 1j is pivotally attached. The insertion portion 1k is surrounded by the hook-like portion 1h and the lid portion 1j, and the elastic body 2 is fitted to the insertion portion 1k. The elastic body 2 can be fitted into the metal fitting body 1 with the portion 1j open. This makes it easy to fit the elastic body 2 into the metal fitting body 1, and after fitting the elastic body 2 into the metal fitting body 1, the lid portion 1 j can be closed to cover the elastic body 2. Appearance can be improved.

  In this case, lateral holes 1m and 1n for positioning and holding the elastic body 2 are formed in the hook-shaped portion 1h, and the elastic body 2 has a concave that contacts the chains 3 on the inner bottom surface side of the hook-shaped portion 1h. Since the groove 2d is formed, the elastic body 2 can be surely positioned and held in the hook-shaped portion 1h of the metal fitting body 1, and the inner bottom surface of the hook-shaped portion 1h and the concave groove of the elastic body 2 are provided. With 2d, the insertion part 1k of the chain 3 is formed, and the chain 3 inserted into the hook-like part 1h is pressed against the inner bottom surface of the hook-like part 1h by the elastic body 2 and restrained and held. Therefore, when the metal fitting body 1 is inserted into the chains 3 and moved, it can be easily implemented.

As still another embodiment of the present invention, two metal fittings 1 may be joined so that the insertion portions 1a or 1k are parallel or crossed.
According to this configuration, the chains 3 can be formed into a loop shape by separately inserting the two ends of the chains 3 into the two metal fitting bodies 1 and 1 joined, and the size of the loop can be adjusted. Can be easily.
The embodiments of the present invention are as described above. However, the present invention is not limited to these embodiments, and various modifications can be made within the scope of the utility model registration request.

  The ornamental chain fasteners according to the present invention can be used for necklaces, bracelets, arclets, anklets, loop ties, mobile straps, pendants, brooches, and other fasteners for various accessories.

DESCRIPTION OF SYMBOLS 1 Metal fitting body 2 Elastic body 3 Chains 4 Connection ring

Claims (8)

  It is composed of a metal fitting body having an insertion part for inserting a chain, and an elastic body fitted in the metal fitting body so as to elastically restrain and hold the chains inserted through the insertion part of the metal fitting body. A decorative metal fastener.   The metal fitting body has a cylindrical shape surrounding the insertion portion, and the elastic body is fitted inside the cylindrical shape, and an insertion portion for inserting chains into the elastic body. 2. The fastener for decorative chains according to claim 1, wherein is formed so as to penetrate along the cylindrical axis direction of the cylindrical body.   3. The decorative chain according to claim 2, wherein a window hole for fitting the elastic body into the cylindrical shape is formed in the outer periphery of the cylindrical shape in the metal fitting body. Fasteners.   The metal fitting body has a cylindrical shape, and the elastic body is fitted inside the cylindrical shape. An insertion portion for inserting a chain is inserted into the metal fitting body and the elastic body. The fastener for a decorative chain according to claim 1, wherein the fastener is formed as a horizontal hole perpendicular to the cylindrical axis of the shape.   The metal fitting body is composed of a hook-like portion having an opening for fitting the elastic body in an upper portion thereof, and a lid portion pivotably attached to the hook-like portion so as to close the opening. 2. The decorative chain fastener according to claim 1, wherein the insertion portion is surrounded and formed by a shape portion and a lid portion, and the elastic body is fitted to the insertion portion.   A lateral hole for positioning and holding the elastic body is formed in the hook-shaped portion, and a concave groove that contacts the chain is formed on the inner bottom surface side of the hook-shaped portion. A fastener for decorative chains according to claim 5.   The said metal fitting main body is joined to two pieces so that the said insertion part may be parallel or crossed, The fastener of the ornamental chains of any one of Claims 1-6 characterized by the above-mentioned.   The decorative metal fastener according to any one of claims 1 to 7, wherein a connecting ring is attached to the metal fitting body.

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