JP7429345B2 - Connection structure of accessories - Google Patents

Description

This invention aims to provide accessories such as necklaces and bracelets that are made of uniform material, have excellent functionality, and are easy to manufacture by joining and integrating accessories such as necklaces and bracelets without using elastic bodies such as springs. The present invention relates to a connection structure for jewelry.

Conventionally, as a means for connecting accessories such as necklaces and bracelets without using leaf springs or the like, there is a method described in Japanese Utility Model Application Publication No. 61-68004.

a casing, a fixing member elastically supported by the casing and movable from a closed position to an open position, and a spring coupled to the fixing member and operative to maintain the fixing member in its closed position. a member, the casing is a flat article bent in a U-shape, and the fixing member is in the shape of a flat plate, and the fixing member is provided with a side surface of the casing around a pin disposed in the center of the casing. having one end formed in the shape of a hook whose opening is closed by the edge of the casing, and having an opening provided at the opposite end of the hook; , the fastening member further has a protrusion projecting from the casing and acting as an actuating member for producing an opening movement of the hook, in the clasp for a chain, the pin having a rectangular cross-sectional shape; The fixing member is non-rotatably supported within the casing and is made of a highly elastic spring material and has a rectangular opening corresponding in shape to the pin.

However, the fixing member is a sheet metal or plate-shaped material, ie a sheet metal part stamped out of a white gold sheet, for example, and the material used must have highly elastic spring properties.
Therefore, there is a big problem in creating an accessory connection structure for providing expensive accessories using a uniform precious metal material.

Publication No. 61-68004

The present invention aims to eliminate the above-mentioned drawbacks of the conventional examples, and provides a connecting structure for jewelry that makes it possible to provide high-quality jewelry by using a uniform precious metal material.

That is, the accessory connecting structure of the present invention is a holding frame with a U-shaped cross section, the front end side wall of which is open in the longitudinal direction, and a round ring for engaging a chain attached to the rear wall. The rear side is open, and a shaft hole is provided on the lower side of both side walls on the side of the open side, and an inclined groove is formed from the upper end of the both side walls toward the open side of the front end side wall,
The holding frame is provided with a shaft portion that is fitted into the shaft hole portion of the holding frame, and a plate-shaped lever portion is provided that is rotatably formed in the holding frame toward the rear from the side surface of the shaft portion, and is attached to the end portion of the shaft portion. , a rotary lever disposed along a side surface of the holding frame toward the opposite side of the plate-like lever part;
A round ring for engaging a chain is attached to the front part, a shaft part that fits into the inclined groove is formed on the lower side of the front part, and a storage part for the plate-shaped lever part is formed in the lower part of the rear part. An accessory connection structure comprising locking members housed in left and right side walls of the holding frame,
Insert the shaft portion of the rotary lever into the shaft hole of the holding frame, and with the plate-shaped lever portion formed toward the rear from the side surface of the shaft slightly raised, press the plate-shaped lever portion of the locking member. The plate-shaped lever part is fitted into the storage part of the holding frame, and the shaft part of the locking member is fitted into the inclined groove of the holding frame, and the rotating lever is rotated along the side surface of the holding frame. The present invention is characterized in that the locking member is folded down to be housed in the holding frame and assembled.

The accessory connecting structure of the present invention is characterized in that the lower side of the shaft hole of the holding frame can be opened and closed so that it can be closed after storing the shaft of the rotating lever. .

The accessory connecting structure of the present invention, which is the object of this application , is a holding frame having an annular connecting part attached to the front end in the longitudinal direction for engaging a chain, and the holding frame has a shaft hole in the upper part. Further, an L-shaped guide groove is formed from the lower end to the rear end of both side walls, and is provided with a shaft portion that fits into the shaft hole of the holding frame, and the lower portion of the shaft portion is provided with the L-shaped guide groove. A vertical portion that closes the lower end of the letter-shaped guide groove is formed, and a rotating lever is provided that is rotatable within the holding frame toward the rear from the shaft portion, and an end portion of the rotating lever is provided with a vertical portion that closes the lower end of the guide groove. A hook-shaped groove is formed, a shaft part is formed in the front part to fit into the L-shaped guide groove, and a locking member is formed by extending rearward from the upper part and inverting it upward to form an annular connecting part. The accessory connecting structure is provided with an upper end of the locking member having an engaging portion facing upward to be fitted into a hook-shaped groove provided at an end of the rotating lever, the shaft portion of the locking member is fitted into the L-shaped guide groove of the holding frame, and the shaft part of the rotating lever is fitted into the shaft hole of the holding frame, and the vertical part closes the L-shaped guide groove. Then, the rotating lever is attached to the holding frame, and the engaging part of the locking member is fitted into a hook-shaped groove formed at the end of the rotating lever, so that the holding frame, the rotating lever, and the locking member are connected to each other. It is characterized by being assembled in one piece.

In the accessory connection structure of the present invention, the vertical portion of the rotating lever may form an L-shaped concave portion of the holding portion that receives the shaft portion of the locking member when the engaging portion of the locking member is fitted into the hook-shaped groove portion. It is also characterized in that it is formed along a shaped guide groove.

In the accessory connection structure of the present invention, the hook-shaped groove of the rotary lever is formed downward at an angle that prevents it from coming off when the engaging portion of the locking member is fitted. be.

Since the connecting structure of the accessory according to claim 1 is constructed as described above, it is possible to achieve high-strength joining that meets the requirements of the accessory with a very simple assembly process, and it is possible to use a uniform noble metal material. As a result, it has become possible to obtain a connecting structure for accessories that makes it possible to provide high-quality accessories.

Since the connection structure of the accessory according to claim 3 is constructed as described above, as in claim 1, it is possible to achieve high-strength joining that meets the requirements of the accessory with a very simple assembly operation, and also to achieve a uniform connection. By using noble metal materials, it has become possible to obtain a connection structure for jewelry that makes it possible to provide high-quality jewelry.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic plan view showing a first embodiment of the accessory connection structure of the present invention. It is a schematic perspective view. FIG. 3 is a schematic right side view showing a state in which the rotation lever is assembled to the holding frame. It is a schematic left side view. It is a schematic perspective view. It is a schematic perspective view. FIG. 3 is a schematic side view of the locking member. FIG. It is a schematic bottom view. It is a schematic perspective view. It is a schematic perspective view. FIG. 3 is a schematic perspective view showing a state in which the rotating lever and the locking member are about to be assembled to the holding frame. FIG. 7 is a schematic perspective view showing a state in which a rotary lever is attached to the holding frame so that the plate-like lever part is slightly raised, and the storage part of the plate-like lever part of the locking member is about to be assembled to the plate-like lever part. . It is a schematic perspective view which shows the state which is about to fit the storage part of the said plate-shaped lever part of a lock member into a plate-shaped lever part. It is a schematic perspective view which shows the state where the accommodation part of the said plate-shaped lever part of a locking member is fitted into a plate-shaped lever part, and the rotating lever is about to be rotated. FIG. 3 is a schematic perspective view showing the entire assembled state. FIG. 3 is a schematic perspective view showing a state in which the rotary lever is about to be turned in order to remove the accommodation portion of the plate-like lever portion of the locking member from the plate-like lever portion. FIG. 3 is a schematic perspective view showing a state in which the rotation lever has been turned. It is a schematic perspective view which shows the state which is about to peel off the storage part of the said plate-shaped lever part of a locking member from a plate-shaped lever part. It is a schematic perspective view which shows the state where the storage part of the said plate-shaped lever part of a lock member is peeled off from a plate-shaped lever part. It is a schematic perspective view which shows the 2nd Example of the connection structure of the accessory of this invention. It is a schematic perspective view. It is a schematic longitudinal cross-sectional view. FIG. 6 is a schematic cross-sectional view of a state where the shaft portion of the locking member is about to be fitted into the L-shaped guide groove of the holding frame. FIG. 3 is a schematic perspective view of a state in which the shaft portion of the locking member is fitted into the L-shaped guide groove of the holding frame. FIG. 7 is a schematic side view of a state in which the shaft portion of the locking member is fitted into the L-shaped guide groove of the holding frame, and then the shaft portion of the rotating lever is fitted into the shaft hole portion of the holding frame. FIG. 3 is a schematic perspective view showing a state in which the holding frame, the rotating lever, and the locking member are integrally assembled by fitting the engaging portion of the locking member into a hook-shaped groove formed at the end of the rotating lever. It is a schematic side view. It is a schematic perspective view. FIG. 3 is a schematic cross-sectional view of a state in which the shaft portion of the locking member is fitted into the L-shaped guide groove of the holding frame. FIG. 6 is a schematic cross-sectional view showing a state in which the locking member is being swung up in order to fit the engaging portion of the locking member into a hook-shaped groove formed at the end of the rotary lever. FIG. 7 is a schematic cross-sectional view showing a state in which the engaging portion of the locking member is about to be fitted into the hook-shaped groove formed at the end of the rotary lever. FIG. 7 is a schematic cross-sectional view showing a state in which the holding frame, the rotary lever, and the lock member are integrally assembled by fitting the engaging portion of the locking member into a hook-shaped groove formed at the end of the rotary lever.

EMBODIMENT OF THE INVENTION Hereinafter, a first embodiment of a connection structure for jewelry according to the present invention will be described in detail with reference to FIGS. 1 to 20.
In the accessory connection structure of the first embodiment, as shown in FIGS. 1 to 12, the front end side wall in the longitudinal direction is open, and the rear wall has a U-shaped ring 12 for engaging a chain. The holding frame 11 has a shaped cross section. The holding frame 11 has a bottom rear part open, and a shaft hole 14 is provided on the lower side of both side walls on the side of the release part 13 of the bottom face, and the front end side wall is opened from the upper end of the both side walls. An inclined groove 15 is formed toward the portion 16.
Further, a shaft portion 22 that is fitted into the shaft hole portion 14 of the holding frame 11 is provided, and a plate-shaped lever portion 23 is provided that is rotatably formed inside the holding frame 11 from the side surface of the shaft portion 22 toward the rear, It has a rotating lever 21 attached to the end of the shaft portion 22 and disposed along the side surface of the holding frame 11 toward the opposite side of the plate-like lever portion 23.
Further, a round ring 32 for engaging a chain is attached to the front part, a shaft part 33 that fits into the inclined groove 15 is formed on the lower side of the front part, and the plate-shaped lever part 23 is formed in the lower part of the rear part. The holding frame 11 includes a locking member 31 that is housed in the left and right side walls of the holding frame 11 in which a housing portion 34 is formed.

The shaft hole 14 of the holding frame 11 is designed so that its lower side can be opened and closed so that the shaft 22 of the rotary lever 21 can be closed by pressing down after the shaft 22 of the rotary lever 21 is accommodated. 22 can be easily installed and removed.

Then, as shown in FIG. 13, the shaft portion 22 of the rotating lever 21 is fitted into the shaft hole portion 14 of the holding frame 11, and a plate-like lever portion 23 is formed from the side surface of the shaft portion 22 toward the rear. In the slightly raised state, as shown in FIG. 15, and by rotating the rotating lever 21 along the side surface of the holding frame 11 as shown in FIG. The lock member 31 is housed in the holding frame 11 and assembled.

In addition, to disassemble the connection structure of the assembled accessories, turn the rotary lever 21 as shown in FIG. 17, and as shown in FIG. 18, after turning the rotary lever 21, as shown in FIG. The storage portion 34 of the plate-like lever portion 23 of the locking member 31 can be removed from the plate-like lever portion 23.
FIG. 20 shows a state in which the housing portion 34 of the plate-like lever portion 23 of the locking member 31 has been peeled off from the plate-like lever portion 23.

Next, a second embodiment of the accessory connecting structure of the present invention will be described in detail with reference to FIGS. 21 to 33.
As shown in FIGS. 21 to 23, the accessory connection structure of the second embodiment includes a holding frame 41 having an annular connection portion 42 attached to the front end in the longitudinal direction for engaging a chain. The holding frame 41 is provided with a shaft hole 43 on its upper surface, and an L-shaped guide groove 44 is formed from the lower end to the rear end of both side walls.
The shaft part 52 is fitted into the shaft hole 43 of the holding frame 41, and a vertical part 53 is formed at the lower part of the shaft part 52 to close the lower end of the L-shaped guide groove 44. A rotary lever 51 is provided within the holding frame 41 so as to be rotatable from 52 toward the rear, and a hook-shaped groove portion 54 is formed downward at the end of the rotary lever 51 .
Furthermore, a locking member 61 is formed in the front part with a shaft part 62 that fits into the L-shaped guide groove 44, and extends rearward from the lower part of the shaft part and then inverted upward to form an annular connecting part 63. At the upper end of the locking member 61, an engaging portion 64 is formed upward to fit into the hook-shaped groove 54 provided at the end of the rotating lever 51.

Note that the vertical portion 53 of the rotary lever 51 has a concave portion 55 that receives the shaft portion 62 of the locking member 61 when fitting the engaging portion 64 of the locking member 61 into the hook-shaped groove portion 54 of the holding frame 41. It is formed so as to be located at the upper end of the L-shaped guide groove 44.
Further, the hook-shaped groove portion 54 of the rotary lever 51 is formed downward at an angle that prevents it from coming off when the engaging portion 64 of the locking member 61 is fitted, so that it will not come off due to a simple impact. It has become.

Then, as shown in FIG. 24, with the lower end of the L-shaped guide groove 44 released, as shown in FIG. 44.
Next, in the order of FIGS. 26 and 27, push the shaft portion 62 deep into the bent portion of the L-shaped guide groove 44, and then insert the pivot lever 51 into the shaft hole portion 43 of the holding frame 41. The shaft portion 52 is fitted and the vertical portion 53 is suspended to close the L-shaped guide groove 44 of the holding frame 41. 28 and 29 are a schematic side view and a schematic perspective view of the state, respectively.

During the assembly work, as shown in FIG. 30, from the state in which the engaging portion 64 of the locking member 61 is suspended, as shown in FIG. 31, the locking member 61 is swung up, and as shown in FIG. The rotating lever 51 is rotated along the side surface of the holding frame 41, and the locking member 61 and the rotating lever 51 are assembled to the holding frame 41 as shown in FIG.
In this way, the engaging portion 64 of the locking member 61 is fitted into the hook-shaped groove 54 formed at the end of the rotating lever 51, and the holding frame 41, the rotating lever 51, and the locking member 61 are integrated. Assemble it.

The holding frame 41, rotation lever 51, and locking member 61 connected in this way can be assembled with very good workability, and a high-strength connection that meets the requirements for precious metal jewelry is possible. ing. Moreover, by making the holding frame 41, the rotating lever 51, and the locking member 61 from the same material, the accessory and the parts consisting of the holding frame 41, the rotating lever 51, and the locking member 61 have a very integrated feel. It is now possible to provide

Since the connecting structure of the jewelry of this invention is constructed as described above, it can be assembled with very good workability, and it is made of high quality materials that meet the requirements for precious metal jewelry. High strength connections are possible.
Therefore, it can be applied not only to accessories such as necklaces and bracelets, but also to various other accessories and various decorative members.

11 Holding frame 12 Round ring 13 Bottom release part 14 Shaft hole part 15 Slanted groove 16 Release part 21 Rotating lever 22 Shaft part 23 Plate lever part 31 Locking member 32 Round ring 33 Shaft part 34 Storage part 41 Holding part 42 Annular Connecting portion 43 Shaft hole 44 L-shaped guide groove 51 Rotating lever 52 Shaft 53 Vertical portion 54 Hook-shaped groove 55 Recess 61 Locking member 62 Shaft 63 Annular connecting portion 64 Engagement portion

Claims (3)

It is a holding frame with a U-shaped cross section attached to the front end in the longitudinal direction with an annular connecting part for engaging a chain. An L-shaped guide groove is formed from the lower end to the rear end of both side walls that are branched into two sides, and the L-shaped guide groove is open at the side and lower ends,
comprising a shaft part that fits into the shaft hole of the holding frame, and a vertical part is formed at the lower part of the shaft part to close the lower end of the L-shaped guide groove extending from the lower end to the rear end of the both side walls;
A rotary lever is provided that is rotatable within the holding frame toward the rear from the shaft portion, and a hook-shaped groove is formed at an end of the rotary lever;
The front part is formed with a shaft part that fits into the L-shaped guide groove, and is fitted between both side walls branching rearward from the holding frame, extends rearward from the lower part, and then flips upward. It is equipped with a locking member that forms an annular connecting part that engages a separate chain.
and an accessory connection structure in which an engaging portion is formed upward at the upper end of the locking member to fit into a hook-shaped groove provided at an end of the rotating lever,
The shaft portion of the locking member is fitted into the L-shaped guide groove of the holding frame, and the shaft portion of the rotating lever is fitted into the shaft hole of the holding frame, and the vertical portion is inserted into the L-shaped guide groove. With the guide groove closed, the rotating lever is attached to the holding frame, and the engaging portion of the locking member is fitted into the hook-shaped groove formed at the end of the rotating lever, and the rotating lever is rotated with the holding frame. A connecting structure for accessories, characterized by integrally assembling a moving lever and a locking member. The vertical portion of the rotating lever is formed with a recessed portion along the L-shaped guide groove of the holding frame to receive the shaft portion of the locking member when the engaging portion of the locking member is fitted into the hook-shaped groove portion. The accessory connection structure according to claim 1, characterized in that: 3. The accessory connection structure according to claim 1, wherein the hook-shaped groove of the rotating lever is formed downward at an angle that prevents the engaging portion of the locking member from coming off when the engaging portion is fitted. .

Images