JP3219952U - Accessories for jewelry - Google Patents

Abstract

An object of the present invention is to provide a fastener for a jewelry that enhances the wearability of the user on the body and the decorativeness of the appearance.
A clasp for jewelry is provided with a male member 10 and a female member 20 removably locked to the male member. The male member includes a plate-like body 12 and a fitting protrusion 14. The plate-like body has a first surface 12a that becomes a surface, a second surface 12b that becomes a non-surface, and an insertion hole that opens at least in the second surface. The fitting protrusion includes a neck portion 15 and a bulging portion 16. One end of the neck is inserted into the insertion hole of the plate-like body, and the other end protrudes from the second surface of the plate-like body. The bulging portion bulges from the other end side of the neck and has a flat tip. The female member includes an annular urging member 21 and a case body 30. The urging member is elastically deformed while inserting the bulging portion of the fitting protrusion, and locks the neck portion of the fitting protrusion. The case body has an insertion hole for projecting the tip of the bulging portion through which the urging member is inserted to the outside of the female member main body.
[Selection] Figure 8

Description

  The present invention relates to a fastener for a jewelry attached to a locking portion of a jewelry such as a necklace or a bracelet.

  At both ends of a jewelry such as a necklace or a bracelet, a jewelry latch for holding the entire jewelry in an endless belt shape is attached. As this kind of latching tool for jewelry, one constituted by a male member in which a fitting protrusion is formed and a ring-shaped female member in which an insertion hole through which the fitting protrusion can be inserted is formed. It is known (see Patent Document 1).

  In the above-described hook for jewelry, a notch spring is provided in a groove formed in the inner wall of the through hole of the female member, and the fitting protrusion of the male member is used as the inner diameter hole of the notch spring of the female member. By inserting in, the neck of the fitting protrusion on the male member side can be held by the repulsive force of the spring on the female member side. Thereby, the clasp for jewelry can lock the end parts of jewelry such as a necklace and a bracelet.

Utility Model Registration No. 3128830

  By the way, the above-mentioned conventional fastener for jewelry is a specification in which the male member is directed to the user's skin side while the surface of the female member is the appearance surface in a state where the male member and the female member are locked. It has become. Therefore, in the conventional clasp for jewelry, the protrusion at the tip of the fitting protrusion in the male member passes through the inner diameter hole and the insertion hole of the cutout spring in the female member, and appears on the appearance surface of the jewelry. Decrease in decorativeness of the accessory is a problem.

  Here, in order to prevent the protrusion at the front end of the fitting protrusion from appearing on the appearance, the female member is directed toward the user's skin side, while the surface of the male member is used. There are also specs that make the appearance of the material. However, in this case, since the protrusion at the tip of the fitting protrusion penetrating the female member is in contact with the user's skin surface, an inclination is likely to occur between the skin surface and the clasp for jewelry. In addition, the wearing state of the accessory on the user's body is constantly unstable.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to provide a clasp for jewelry that can improve the wearability of the user on the body and the decorativeness of the appearance.

  In order to achieve the above object, a fastener for accessory according to one aspect of the present invention includes a male member and a female member that is detachably locked to the male member. The male member includes a plate-like body and a fitting protrusion. The plate-like body has a first surface that becomes a surface, a second surface that becomes a non-surface, and an insertion hole that opens at least in the second surface. The fitting protrusion includes a neck portion and a bulging portion. One end of the neck is inserted into the insertion hole of the plate-like body, while the other end protrudes from the second surface of the plate-like body. The bulging portion bulges from the other end side of the neck and has a flat tip. On the other hand, the female member includes an annular urging member and a case body. The urging member elastically deforms while inserting the bulging portion of the fitting protrusion, thereby locking the neck portion of the fitting protrusion. The case body is formed with an insertion hole through which the tip of the bulging portion through which the urging member is inserted projects out of the female member main body.

  In the state where the male accessory and the female member are locked, the above-described hook for jewelry is directed toward the user's skin surface while the surface of the male member (the first surface of the plate-like body). It becomes the specification which makes the appearance. Here, since the tip of the bulging portion of the fitting protrusion on the male member side protruding to the outside of the female member main body is formed flat, the skin surface and the clasp for jewelry (flat tip of the flat bulging portion) ) And the like are less likely to occur, thereby ensuring a stable wearing state of the accessory on the user's body.

  In addition, since the above-mentioned latching tool for jewelry is configured such that the tip of the bulging portion of the fitting protrusion protruding outside the female member main body does not appear on the appearance surface of the jewelry, the decorativeness of the jewelry is reduced. Avoided. Furthermore, by configuring the shape of the plate-shaped body of the male member serving as the appearance surface, for example, in a shape rich in design, it is possible to improve the decorativeness of the entire accessory including the accessory fastener.

  Therefore, according to the present invention, it is possible to provide a fastener for accessory that can improve the wearability of the user and the decoration of the appearance.

The top view which looked at the male member of the clasp for accessories which concerns on embodiment from the style surface side. The bottom view of the female member of the fastener for jewelry according to the embodiment. The bottom view of the ring board which comprises the female member shown in FIG. The bottom view of the case body which comprises the female member shown in FIG. Sectional drawing which expands and shows the case body of FIG. Sectional drawing of the male member shown in FIG. Sectional drawing of the female member shown in FIG. Sectional drawing which shows the latching state of the male member shown in FIG. 6, and the female member shown in FIG.

Hereinafter, embodiments will be described with reference to the drawings.
As shown in FIG. 1 to FIG. 8, the clasp 50 for jewelry according to this embodiment includes a male member 10 and a female member 20 that is detachably locked to the male member 10. ing. As shown in FIGS. 1 and 6, the male member 10 includes a plate-like body 12 and a fitting protrusion 14 each subjected to a plating process. The plate-like body 12 has a first surface 12a, a second surface 12b, an insertion hole 12c, and a mounting hole 12d.

  The first surface 12a of the plate-like body 12 serves as the overall appearance surface of the accessory fastener 50, while the second surface 12b serves as a non-form surface located on the back side of the first surface 12a. The plate-like body 12 is processed and molded into a shape having high designability using, for example, a plate material made of metal such as brass. As shown in FIG. 1, the plate-like body 12 may be formed into a star shape. Alternatively, the plate-like body 12 is formed into an animal shape such as a cat or a bird, a flower shape, or a heart shape. Also good. Further, instead of this, the plate-like body 12 is three-dimensionally configured so that, for example, a star shape, an animal shape, a crown shape, etc. have irregularities on the first surface (appearance surface) 12a side. Also good.

  The insertion hole 12c is opened at least in the second surface 12b. The insertion hole 12c illustrated in FIG. 6 is formed as a through-hole penetrating from the first surface 12a of the plate-like body 12 to the second surface 12b. As shown in FIGS. 1 and 6, the mounting hole 12 d penetrates the plate-like body 12 in the thickness direction, and one end 18 a of a chain 18 (or a string) constituting an accessory such as a necklace or a bracelet. Is provided for mounting.

  As shown in FIG. 6, the fitting protrusion 14 has a solid structure, and includes a neck portion 15 configured in a columnar shape and a bulging portion 16 configured in a truncated cone shape. The neck portion 15 has one end (base end) 15 a side inserted into the insertion hole 12 c of the plate-like body 12, while the other end (tip end) 15 b side protrudes from the second surface 12 b of the plate-like body 12. The bulging portion 16 bulges from the other end 15b side of the neck portion 15, and the tip of the bulging portion 16 is formed by a flat flat surface 16a.

  More specifically, as shown in FIG. 6, the fitting protrusion 14 is configured in such a manner that the other end 15 b side of the columnar neck portion 15 and the small diameter side of the frustoconical bulge portion 16 are connected. . The most advanced surface of the fitting protrusion 14 is constituted by a flat surface 16a on the large diameter side in the frustoconical bulged portion 16.

  On the other hand, as shown in FIGS. 2 to 5, 7, and 8, the female member 20 includes a circular spring 21, a cover plate 23, and a case body 30 that are annular urging members each subjected to plating. The ring plate 40 is provided. As shown in FIGS. 7 and 8, the circular spring 21 is elastically deformed while inserting the bulging portion 16 of the fitting protrusion 14 on the male member 10 side into the inner diameter hole 21 a. The neck 15 of the fitting protrusion 14 is locked. Further, the case body 30 to be described later is formed with an insertion hole 35 for projecting the tip of the bulging portion 16 through which the cutout spring 21 is inserted to the outside of the female member 20 main body.

  Here, as shown in FIGS. 6 and 8, the fitting protrusion 14 of the male member 10 has a solid structure and thus has high mechanical strength (not easily elastically deformed), and the bulging portion 16. Is formed in the shape of a truncated cone, so that it is difficult to come out when inserted into the cut-out spring 21. Thereby, the male member 10 provided with the fitting protrusion 14 and the female member 20 provided with the non-circular spring 21 are realized in a firm locking state.

  As shown in FIGS. 2, 4, and 5, the case body 30 generally has a structure in which a bottomed cylindrical body is substantially inverted, and the bottom is open. The case body 30 mainly includes a top plate 31, a side wall portion 32, an opening portion 33, an insertion hole 34, and an insertion hole 35. The side wall portion 32 extends from the peripheral portion of the top plate 31 to the bottom side. The opening 33 is provided in a part of the side wall 32 so that the accessory attachment handle 42 of the ring plate 40 protrudes from the inside of the case body 30 to the outside. The insertion hole 34 is a through hole for allowing the bulging portion 16 of the fitting protrusion 14 to pass through the top plate 31 and is drilled with a diameter slightly larger than the maximum diameter of the bulging portion 16. . Further, the insertion hole 35 is formed by a bottom opening of the case body 30 and is a through hole for allowing the bulging portion 16 of the fitting protrusion 14 to be inserted from the inside of the case body 30 to the outside.

  As shown in FIGS. 2, 3, and 7, the ring plate 40 has an insertion hole 41, a jewelry accessory handle 42, and an attachment hole 43. The insertion hole 41 is a through hole through which the bulging portion 16 of the fitting protrusion 14 is inserted, and is drilled with a diameter slightly larger than the maximum diameter of the bulging portion 16. The accessory attachment handle 42 is provided so as to protrude in the radial direction of the ring plate 40 main body. The attachment hole 43 is perforated on the distal end side of the accessory attachment handle 42, and is provided for attaching the other end 18b of the chain 18 (or string) constituting the accessory such as a necklace or a bracelet.

  The ring plate 40 is accommodated in the case body 30 such that the upper surface thereof is in contact with the bottom surface of the top plate 31 in the case body 30. The notched spring 21 is accommodated in the case body 30 so as to be accommodated in the insertion hole 41 of the ring plate 40.

  The cover plate 23 is configured in a washer shape, and has an insertion hole (through hole) 23 a having substantially the same diameter as the insertion hole of the case body 30. The cover plate 23 is accommodated in the case body 30 so as to sandwich the ring plate 40 in which the circular spring 21 is accommodated in the insertion hole 41 with the bottom surface of the top plate 31 in the case body 30. Yes. Such a cover plate 23 is fixed to the case body 30 by bending the lower end edge 32 a of the side wall portion 32 of the case body 30 inward.

  As shown in FIGS. 7 and 8, the insertion hole 34 of the case body 30, the insertion hole 41 of the ring plate 40, the inner diameter hole 21 a of the notch spring 21, and the insertion hole (through hole) of the cover plate 23. ) 23a and the insertion hole 35 of the case body 30 are arranged coaxially.

  Here, the notched spring 21 is a ring body of an elastic metal wire cut at one place, and the bulging portion 16 of the fitting protrusion 14 is forced to the inner diameter hole 21 a of the notched spring 21. By inserting, the inner diameter hole 21a is elastically deformed and expanded in the process of insertion. Further, the cut-out spring 21 is reduced in diameter after the bulging portion 16 is inserted into the inner diameter hole 21a, and the neck portion 15 of the fitting protrusion 14 is locked by an elastic force. More specifically, the non-circular spring 21 is a region gap surrounded by the upper surface of the cover plate 23, the bottom surface of the top plate 31 in the case body 30, and the inner peripheral surface of the insertion hole 34 in the ring plate 40. The inner diameter hole 21a is accommodated in a state where the diameter can be increased and decreased.

  When the male member 10 and the female member 20 are locked (connected), the fitting latch 14 for the male member 10 is configured as shown in FIGS. 6 to 8. Is inserted from the side of the female member 20 through the insertion hole 34 of the case body 30 through the insertion hole 41 of the ring plate 40 into the inner diameter hole 21 a of the circular spring 21. Through the operation force at the time of the insertion operation, the bulging portion 16 of the fitting protrusion 14 enters so as to forcibly expand the inner diameter hole 21a of the notched spring 21. Further, the bulging portion 16 of the fitting protrusion 14 passes through the inner diameter hole 21a of the notch-shaped spring 21, and the insertion hole 23a of the cover plate 23 and the insertion hole 35 of the case body 30 (on the bottom of the case body 30). Projecting to the outside of the case body 30 (female member 20).

  On the other hand, when the male member 10 and the female member 20 are released from the locked state, the bulging portion 16 of the fitting protrusion 14 is omitted from the circular spring 21 while the male member 10 and the female member 20 are grasped with fingers of both hands. It becomes possible by operating to forcibly pull out from the inner diameter hole 21a. As a result, the inner diameter hole 21a of the non-circular spring 21 is forcibly expanded once, and the bulging portion 16 of the fitting protrusion 14 passes through the inner diameter hole 21a, so that the male member 10 and the female member 20 Is released.

  As described above, the clasp 50 for accessory of the present embodiment has the female member 20 facing the user's skin side while the male member 10 and the female member 20 are locked, while the male member 10 is a male member. It becomes the specification which makes the surface of 10 (the 1st surface 12a of the plate-like body 12) the appearance surface. Here, since the tip of the bulging portion 16 of the fitting protrusion 14 on the male member 10 side that protrudes to the outside of the female member 20 main body is formed by the flat surface 16a, the skin surface and the clasp 50 for accessories. Inclination or the like is unlikely to occur with respect to (the flat surface 16a at the tip of the bulging portion 16), thereby ensuring a stable wearing state of the accessory on the user's body.

  Moreover, since the latching tool 50 for jewelry of this embodiment is a structure in which the front-end | tip of the bulging part 16 of the fitting protrusion 14 which protrudes outside the female member 20 main body does not appear on the appearance surface of jewelry. Decrease in decorativeness in the case is avoided. Furthermore, by configuring the shape of the plate-like body 12 of the male member 10 serving as the appearance surface in a shape that is rich in design, for example, it is possible to improve the decorativeness of the entire accessory including the fastener 50 for the accessory. is there.

  As mentioned above, although embodiment of this invention was described, this embodiment is shown as an example and is not intending limiting the range of invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the spirit of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are also included in the invention described in the claims and the equivalents thereof.

  DESCRIPTION OF SYMBOLS 10 ... Male member, 12 ... Plate-shaped body, 12a ... 1st surface of a plate-shaped body, 12b ... 2nd surface of a plate-shaped body, 12c ... Insertion hole, 14 ... Fitting protrusion, 15 ... Fitting The neck of the protrusion, 15a ... one end of the neck, 15b ... the other end of the neck, 16 ... the bulging part of the fitting protrusion, 16a ... the flat surface of the bulging part, 20 ... the female member, 21 ... the non-circular spring, 21a ... Inner diameter hole of a circular spring, 30 ... case body, 35 ... insertion hole of case body, 50 ... holding tool for accessory.

Claims (3)

A male member, and a female member removably locked to the male member,
The male member is
A plate-like body having a first surface that is a surface, a second surface that is a non-surface, and an insertion hole that opens at least in the second surface;
One end side is inserted into the insertion hole of the plate-like body, while the other end side protrudes from the second surface of the plate-like body, and the tip protrudes from the other end side of the neck portion A bulging portion formed flat, and a fitting protrusion having
With
The female member is
An annular urging member that locks the neck of the fitting protrusion by elastically deforming while inserting the bulging part of the fitting protrusion,
A case body in which an insertion hole for projecting the tip of the bulging portion through which the urging member is inserted to the outside of the female member main body;
A hook for jewelry. The fitting protrusion has a solid structure,
The fastener for jewelry according to claim 1. The bulging portion is configured in a truncated cone shape.
The hook for jewelry according to claim 1 or 2.

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