JP3146754U - Jewelry stop - Google Patents

Abstract

[PROBLEMS] To reduce the cost by reducing the number of parts, facilitating cost reduction, and avoiding loss of aesthetics because the tip of the pin is not exposed to the outside. It is possible to provide a fastener for a jewelry that eliminates the drawback of being easily detached during use.
A fixture for an accessory that engages and holds the tip of a pin attached to a decorative body, and is integrally formed in a U-shape in a housing 11 of the fastener having an opening 20 into which the tip of a pin 21 is inserted. A plate-like spring main body 12 formed with a neck portion 13 sandwiching the pin 21 at the end portion is attached, and the tip end of the spring main body 12 is spread outwardly toward the opening portion 20 to face the neck portion of the spring main body 12. 13 is biased in the direction in which the pin 21 is clamped.
[Selection] Figure 4

Description

The present invention relates to a fastener for an accessory used for an accessory having a pin such as a pierced earring.

Conventionally, as a piercing earring stopper, one disclosed in Japanese Utility Model Publication No. 56-12081 (see Patent Document 1) and using a catch 101 made of a leaf spring as shown in FIG. 5 is well known.
That is, in FIG. 5, a flat portion 104 having a through hole 103 is provided at the center portion of the substrate 102, and the bent ends are bent so as to contact each other in an elastic state on the center line of the through hole 103. A stopper for a pierced earring is shown in which a piece 106 is provided, and at least a flat deformed portion 104 and a bent deformed portion 107 on the bent piece 106 are provided, and the pin 111 inserted into the through hole 103 is held by the bent piece 106. ing.

Further, the piercing earring fastener has the disadvantage that the tip end of the pin is exposed to the outside, which is not only detrimental to the appearance but also difficult to operate. Japanese Utility Model Registration No. 3128019 (see Patent Document 2) Has been proposed.
That is, FIG. 6 includes a cylindrical main body 111 formed in the outline of a circular cross section, a square cross section, and the like, and a retainer 112 having a shape substantially similar to that of the cylindrical main body 111 attached to the inside. 112 has a funnel-shaped guide portion 114 and a plurality of, for example, a pair of spring-like retaining pieces 115 extending from the guide portion 114. Similarly, a plurality of guide pieces 116 having free ends are disposed between the pair of spring retaining pieces 115. The pair of spring retaining pieces 115 are inclined toward the inner wall side of the retaining member 112, and the tip is folded outward to form an inward projection 117. The pair of spring retaining pieces 115 pinch the pin 121 of the earrings.
Japanese Utility Model Publication No. 56-12081 Utility Model Registration No. 3128019

However, even in the latter prior art, a funnel-shaped guide portion 114 and a plurality of, for example, a pair of spring retaining pieces 115 extended from the guide portion 114 are necessary, and the number of parts is large. Although various improvements have been made, it is a fact that nothing has yet been developed that surpasses the conventional catch made of leaf springs.

The garment stopper of this device is intended to eliminate the above-mentioned drawbacks of the conventional example, has a small number of parts, is easy to assemble, is easy to reduce costs, and the tip of the pin is not exposed to the outside, so it is beautiful. It is an object of the present invention to provide a fastener for a jewelry that can be reduced in size by reducing the diameter of the stopper and that can easily be detached during use.

That is, the accessory fastener of the present invention is an accessory fastener that engages and holds the tip of the pin attached to the decorative body,
A plate-like spring body, which is integrally formed in a U-shape and has a neck portion for sandwiching the pin at the end portion, is mounted in a housing of a stopper having an opening portion for inserting a tip end of the pin, and the opening portion The front end of the spring body is spread outward and the neck of the spring body is urged in the direction to sandwich the pin.

The fastener for jewelry according to the present invention is such that the spring body integrally formed in the U-shape is processed so that the cross section thereof becomes an inward arc shape, and the neck portion biases the pin in the direction of pinching the pin. This is also a feature.

The fastener of the accessory of the present invention is such that the spring body integrally formed in the U-shape is held at an interval where the pin of the spring body can be pinched when the spring body is engaged with the opening of the housing. Is also a feature.

The clasp of the accessory of the present invention is characterized in that the pin attached to the decorative body is formed with a circumferential groove at the tip thereof so that the neck of the spring body is engaged. .

The fastener of the accessory of the present invention is characterized in that the pin attached to the decorative body is roughened on the surface of the tip portion so that the neck of the spring body can be easily engaged. Is.

As described above, the fastener of the present invention is a U-shaped member in which a neck portion biased in the direction of pinching the pin is formed in the housing of the stopper having an opening for inserting the tip of the pin. Since the spring main body is attached and the tip of the spring main body is spread outward in the opening, the pin can be easily attached, and the pin does not easily come off in a normal state.
Moreover, by applying a force in the direction of pulling out the piercing pin with the housing sandwiched between fingers, the engagement portion of the neck portion of the spring body can be easily opened and released, making it very easy to operate.

Further, the fastener for jewelry according to this invention has a small number of parts and can be easily mass-produced by pressing or the like, so that the cost can be greatly reduced. Moreover, since almost no accessories appear on the surface of the housing, it has become possible to provide a fastener for an accessory that is excellent in beauty.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of a jewelry fastener according to the present invention will be described below with reference to the drawings.
FIG. 1 shows an embodiment in which the fastener of the present invention is applied to a pierced earring. FIG. 2 is a schematic overall view of a pierced ear pin, FIG. 2 is an enlarged perspective view of the pierced earring stopper, and FIG. Is a front view thereof, and FIG. 4 is an enlarged sectional view of a state in which a pin for piercing is mounted.

In FIG. 1 to FIG. 4, reference numeral 11 denotes a decorative housing having a spherical or other three-dimensional contour, and having an opening 20 into which a tip of a piercing pin 21 is inserted at an appropriate position. Such a housing 11 can be produced by various mechanical processing using a press or the like, or by casting or the like.
Next, reference numeral 12 denotes a plate-like spring body. The spring body 12 is formed by integrally forming a plate-like material in a U shape, and forming a neck portion 13 for sandwiching the pin 21 at the tip portion. The bottom of the housing 11 is brazed inside the housing 11. Of course, screws or claws may be erected in the inner part of the housing 11 to lock the U-shaped bottom, and the spring body 12 may be prevented from coming off the housing 11.
The plate-like spring main body 12 has a guide portion 14 formed so that its tip is spread outward on the outer surface side of the opening portion 20 of the housing 11, and engages with the opening portion 20, The neck 13 of the spring body 12 is urged in the direction in which the pin 21 is sandwiched.

Of course, the neck 13 may be biased in the direction in which the pin 21 is clamped by the elasticity of the spring body 12 itself.
As a means for urging the spring main body 12 integrally formed in the U-shape, the cross section of the spring main body 12 may be processed so as to have an inward arc shape. If it does in this way, the said neck part 13 will be urged | biased in the direction which pinches the pin 21 reliably.

As shown in FIGS. 2 to 4, in the state where the spring body 12 integrally formed in the U-shape is engaged with the inner peripheral surface of the opening 20 of the housing 11, the neck 13 of the spring body 12 holds the pin 21. The gap is held at an interval that can be sandwiched.
In this case, the biasing force is not applied in the length direction of the spring body 12, but the elasticity in the width direction of the spring body 12 is used, and a stronger biasing force on the pin 21 can be obtained. it can.

In the normal state, the spring main body 12 is engaged with a circumferential groove 22 formed at the tip of a piercing pin 21 attached to the end of a decorative body 31 of a pierced earring to prevent the spring body 12 from coming off. At this time, even if a slight load is applied in the direction in which the piercing pin 21 is pulled out, the neck portion 13 having the clamping force of the spring body 12 is reliably prevented from coming off, and the piercing pin 21 does not come off the housing 11.

Next, when holding the housing 11 by hand and applying a force in the direction of pulling out the piercing pin 21, the neck portion 13 having the clamping force of the spring body 12 receives an outward force from the piercing pin 21 and spreads. The pin 21 is disengaged from the circumferential groove 22 and released.

The stopper for the pierced earring in the above embodiment is used as follows.
That is, in use, the head of the piercing pin 21 is pushed in via the guide portion 14 of the spring body 12 of the housing 11. Then, the spring body 12 mounted in the housing 11 receives the head portion of the piercing pin 21 by spreading the neck portion 13, and the neck portion 13 engages with the circumferential groove 22 of the piercing pin 21 to surely prevent it from coming off.

When the mounting of the piercing pin 21 is completed, even if a load is applied in the direction in which the piercing pin 21 is pulled out, the piercing pin 21 is prevented from coming off by the neck portion 13 of the spring body 12 and the piercing pin 21 is not detached from the housing 11.

Next, when holding the housing 11 by hand and applying a force in the direction of pulling out the piercing pin 21, the neck 13 of the spring body 12 receives an outward force from the piercing pin 21 and expands. The engagement with the groove 22 is released and it comes off.
At this time, when the piercing pin 21 is pulled out from the neck portion 13 of the spring body 12, the neck portion 13 of the spring body 12 returns to its original position due to elasticity.

The fastener of the accessory of this embodiment may be one in which the peripheral groove 22 is not provided as the pin 21 attached to the decorative body 31, and in this case, the surface of the tip portion of the pin 21 is roughened. It is desirable that the neck portion 13 of the spring body 12 is easily engaged.

According to the fastener of this invention, it is possible to provide a compact and easy-to-handle stopper that can be suitably used for connecting parts of accessories such as necklaces, pendants, and bracelets in addition to earrings. Became.
In addition, by attaching the spring main body to both ends of the earring main body or the like, it can also be used as a pierced earring with a reversible structure having decorativeness and other accessories.

1 is a schematic overall view showing a state in which a stopper for a jewelery device of the present invention is applied to a pierced earring, and a pin for piercing is mounted. It is an expansion perspective view of the fastener of a pierced earring. It is the front view. It is an expanded sectional view in the state where a pin for piercing was attached. It is a side view which shows a 1st prior art example. It is sectional drawing which shows a 2nd prior art example.

Explanation of symbols

DESCRIPTION OF SYMBOLS 11 Housing 12 Spring main body 13 Neck part 14 Guide part 20 Opening part 21 Pierce pin 22 Circumferential groove 31 Decorative body

Claims (5)

A fastener for jewelry that engages and holds the tip of a pin attached to a decorative body,
A plate-like spring body, which is integrally formed in a U-shape and has a neck portion for sandwiching the pin at the end portion, is mounted in a housing of a stopper having an opening portion for inserting a tip end of the pin, and the opening portion A fastener for a jewelry accessory characterized in that the front end of the spring body is spread outward and the neck of the spring body is biased in a direction to sandwich the pin. The spring body integrally formed in the U-shape is processed so that a cross section thereof becomes an inward arc shape, and the neck portion is biased in a direction in which the pin is sandwiched. Item 2. The accessory fastener according to Item 1. 3. The spring body integrally formed in the U-shape is held at an interval at which the pin of the spring body can be pinched in a state where the spring body is engaged with the opening of the housing. A fastener for jewelry as described in 1. A pin attached to the decorative body,
4. A fastener for a jewelry accessory according to claim 1, wherein a circumferential groove is formed at the tip of the spring body so that the neck of the spring body is engaged. A pin attached to the decorative body,
4. The fastener of the accessory according to claim 1, wherein a surface of the tip portion is roughened so that the neck portion of the spring body can be easily engaged.

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