KR101869298B1 - Bracelet and method for manufacturing the same - Google Patents

Abstract

The present invention is to provide an annular bracelet to be worn on a wrist or an arm for decoration and a method of manufacturing the same.
To this end, in the present invention, a socket is formed at a predetermined depth in the center of one end, a locking groove is formed at a certain depth on the inner circumference of the socket, a chamber is formed at the edge of the socket, A half elliptical arm member having a hinge projection formed therein; A stud is formed at one end of the socket so as to be inserted into a socket of the arm member, a ring groove is formed at an outer periphery of the stud at a position corresponding to the locking groove, A half-elliptical-shaped member having a hinge groove corresponding to the hinge projection and having a through-hole formed at the opposite end thereof; A hinge pin connecting the through hole of the hinge protrusion and the through hole of the hinge groove by a hinge joint; And a hinge pin which is engaged with the ring groove of the male member and is elastically fitted in the locking groove of the arm member in accordance with the rotation about the hinge pin to maintain mutual locking state, A bracelet comprising a C-shaped pressure ring formed in such a shape.

Description

BRACELET AND METHOD FOR MANUFACTURING THE SAME

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an ornamental item to be worn on a cuff, and more particularly, to an annular bracelet to be worn on a wrist or an arm for decoration and a method for manufacturing the same.

Generally, it is best to make an annular bracelet made of precious metal such as gold, silver, jade, platinum, etc. However, since it is expensive, recently, a low-price copper or alloy material is plated with gold or silver, The so-called imitation bracelet, which represents texture, is predominant.

Such a bracelet may be classified into a chain, a ring, a hinge, a bangle, a flexible, a snake, a slave, Type.

Among them, the hinge type generally has a structure in which a pair of semicircular ring members are hinged to each other and rotated around the hinge to be worn on the wrist.

Particularly, opposite end portions of the semicircular ring members are formed with locking holes corresponding to each other, and are worn through the coupling.

However, since the conventional hinge-type bracelet is required to be provided separately from the shape and structure of the semicircular ring members, the number of parts is relatively large and the structure is complicated, so that the manufacturing cost is increased. There is a limit in that the castle is considerably low, and it is difficult to produce a luxurious and simple image and design.

In addition, since the conventional hinge-type bracelet has a structure in which the hinge is opened at both sides of the hinge and is hung on one wrist and the locking hole is filled with the opposite hand, it is very difficult and inconvenient for the wearer to wear with one hand.

It is to be understood that the above-described techniques are intended to assist the understanding of the present invention, and are not to be construed as meaning that the present invention is well known in the art to which the present invention belongs.

KR 20-0338527 Y1 (2004.01.05) KR 10-1269867 B1 (2013.05.27) KR 10-1587081 B1 (2016.01.14)

Accordingly, the inventor of the present invention intends to solve the limitations and problems of existing bracelets by taking the above-mentioned matters into consideration in a comprehensive manner, thereby reducing the manufacturing cost and achieving the effect of producing a simple and high-quality image and design, In addition, even though plating is performed by post-processing, it has been studied extensively to develop a bracelet of a new structure that can be easily and easily worn by a wearer himself by one hand, As a result, the present invention was invented.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art, and it is an object of the present invention to provide a bracelet and a method of manufacturing the bracelet which are capable of maintaining stability and fastness as well as convenience and reliability of locking and unlocking operations.

Another object of the present invention is to provide a bracelet and a method of manufacturing the same which enable a wearer to easily and easily wear with one hand.

Herein, the technical object and object to be solved by the present invention are not limited to the technical object and purpose mentioned above, and another technical object and purpose not mentioned can be understood by those skilled in the art from the following description.

According to an aspect of the present invention, there is provided a method of manufacturing a socket, comprising the steps of: (A) forming a socket by drilling a hole at a predetermined depth in the center of one end of a first bar, And a cutting edge is cut at both sides of the opposite end of the first bar to form a hinge protrusion, and a through hole is formed at the center of the hinge protrusion (B) a step of cutting a first end of the second bar to a predetermined length to make a stud corresponding to the socket, and a step of bending a first bar corresponding to the locking groove And the edge of the stud is obliquely cut to make it blunt, and the center of the opposite end portion of the second bar is cut A step of bending the second bar after forming a through hole in the center of the hinge groove to form a water member, (C) a step of forming a rubber ring in the ring groove of the male member (D) a step of drilling a hole at a certain depth in the center of the third bar and pressing the hole with a certain degree of elasticity so that the elasticity of the hinge is maintained; A step of cutting the outer barrel of one end of the third bar into a round shape and then cutting the bar into a predetermined thickness to form a C-shaped pressure ring; (E) And a step of removing the rubber ring from the male member and fitting the pressure ring into the ring groove of the male member.

Thus, the present invention can provide a bracelet that can be easily and easily worn by a wearer with one hand while maintaining convenience and reliability of locking and unclamping operations, as well as mutual stability and fastening, even after the plating process.

According to a preferred embodiment of the present invention, there is further provided a step of drilling attachment holes for attaching separate decorative balls to the outer periphery of the arm member in the step (A) and the outer periphery of the male member in the step (B) Can be added.

In a preferred embodiment of the present invention, in the step (A), the first bar of the arm member and the second bar member of the male member in the step (B) are formed into an arcuate or semi- And may be formed by bending.

In a preferred embodiment of the present invention, before the step (C), a step of smoothly polishing the surfaces of the arm member and the male member may be further added.

According to another embodiment of the present invention, a socket is formed at a predetermined depth in the center of one end, a locking groove is formed at an inner periphery of the socket at a predetermined depth, a chamber is formed at an edge of the socket, A half ellipse arm member having a hinge protrusion having a through hole at a portion thereof; A stud is formed at one end of the socket so as to be inserted into a socket of the arm member, a ring groove is formed at an outer periphery of the stud at a position corresponding to the locking groove, A half-elliptical-shaped member having a hinge groove corresponding to the hinge projection and having a through-hole formed at the opposite end thereof; A hinge pin connecting the through hole of the hinge protrusion and the through hole of the hinge groove by a hinge joint; And a hinge pin which is engaged with the ring groove of the male member and is elastically fitted in the locking groove of the arm member in accordance with the rotation about the hinge pin to maintain mutual locking state, And a C-shaped pressure ring formed in such a shape.

As a result, according to the present invention, the lock operation by the male and female bite and the release operation by the female and male water separation are performed at the same time according to the operation of opening and closing the arm member and the male member, so that the wearer can easily wear and pull it out with one hand.

The embodiments of the present invention having the means and the structure for solving the technical object and the object of the present invention are not only capable of reducing the manufacturing cost and improving the assemblability by simplifying the structure but also providing a simple and natural curvature and a different design It can maximize the aesthetic sense and ornamentality as well as the utility as a precious metal.

In addition, the locking and unclamping operations are simple, and the structural stability in a locked state is facilitated, thereby improving ease of use and fastening, as well as improving quality.

In addition, when the arm member and the male member are wedged on both wrists and pinched by the opposite hand, locking by the male and female bite is simultaneously performed. In a simple operation of pulling the arm member and the male member in opposite directions Since the loosening operation is performed naturally, the wearer can easily and easily worn or pulled with one hand.

Here, the effects of the present invention are not limited to the effects mentioned above, and other effects not mentioned can be clearly understood by those skilled in the art from the description of the claims.

1 is a perspective view of a bracelet according to an embodiment of the present invention.
Fig. 2 is an enlarged vertical sectional view of Fig. 1; Fig.
3 is a front view of the bracelet according to an embodiment of the present invention.
FIG. 4 is a perspective view illustrating arm members of the bracelet according to the embodiment of the present invention. FIG.
FIG. 5 is a perspective view illustrating a member of a bracelet according to an embodiment of the present invention. FIG.
6 is a perspective view showing a pressure ring among the components of a bracelet according to an embodiment of the present invention.
7 is an enlarged longitudinal sectional view showing a bracelet according to another embodiment of the present invention.
8 is a view for explaining a manufacturing process of a bracelet according to an embodiment of the present invention.

Hereinafter, embodiments according to the present invention will be described more specifically with reference to the accompanying drawings.

Prior to this, the following terms are defined in consideration of the functions of the present invention, and they are to be construed to mean concepts that are consistent with the technical idea of the present invention and interpretations that are commonly or commonly understood in the technical field of the present invention.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

In addition, when a part includes an element, it does not exclude other elements unless specifically stated otherwise, but may include other elements.

≪ Manufacturing method of bracelet &

( Arm member  Forming process)

2 and 4, a socket 11 is made by drilling a hole with a certain depth in the center of one longitudinal end portion of the first bar for the arm member 10, The locking groove 12 is pierced with a certain depth in the peripheral edge, and the edge of the socket 11 is obliquely cut and dulled to form the chamfer 13.

Subsequently, both sides of the opposite end portion of the first bar member for the arm member 10 are partially cut to form the hinge protrusion 14, the through hole 15 communicating with the front and rear is punched in the center of the hinge protrusion 14, One bar is bended by bending the socket 11 and the hinge projections 14 so as not to be deformed to form the arm member 10.

At this time, it is preferable that the first bar for the arm member 10 is bent in two steps in an arcuate or half-elliptical shape so as to form a long oval shape when assembled and coupled with the male member 20 shown in Fig.

That is, after the first arc portion 10a is formed by first bending the first bar for the arm member 10 so as to form an arc or an ellipse in a first step, The first parallel portion 10b can be formed by bending the first and second bars so that both ends of the bar are parallel to each other.

As shown in Fig. 7, an attachment hole 16 for attaching a separate decorative member such as jewelry can be drilled in the outer periphery adjacent to the socket 11 of the first bar member for the arm member 10.

Here, the first bar for the arm member 10 is preferably made of a steel material such as bronze, brass or the like having a circular cross section, but is not limited thereto and may be made of a hexagonal or octagonal steel material, for example.

The inner diameter of the socket 11 is preferably formed to be slightly larger than the outer diameter of the stud 21 shown in FIG. 5 so that the locking and unclamping operations can be performed smoothly and stably. For example, when the inner diameter of the socket 11 is 2.8 mm, the outer diameter of the stud 21 may be 2.5 mm.

( Absence of water  Forming process)

As shown in Figs. 2 and 5, one end of the second bar for the male member 20 is cut to a predetermined length to form a stud 21 corresponding to the socket 11 of the female member, and the stud 21 The ring groove 22 is formed at a position corresponding to the locking groove 12 of the female member in the outer periphery of the female member 21 and the edge 21 of the stud 21 is obliquely cut to form a round 23.

The center of the opposite end portion of the second bar member for the male member 20 is cut to form a hinge groove 24 corresponding to the hinge projection 14 of the arm member, After the through holes 25 are punched, the second rods are bended by bending the studs 21 and the hinge grooves 24 so that they are not deformed.

At this time, it is preferable to bend the second bar for the male member 20 in an arcuate or semi-elliptical shape so as to have a long oval shape when assembled and coupled with the arm member 10.

That is, the second arc portion 20a is formed by first bending the second bar for the male member 20 so as to form an arc or an ellipse in one step, and then the second arc portion 20a is formed in two steps, The second parallel portion 20b can be formed by bending the two rods so that both ends of the rods are in parallel with each other.

7, an attachment hole 26 for attaching a separate decorative member such as jewelry may be formed in the outer periphery adjacent to the stud 21 of the second bar member for the male member 20.

Here, the second bar for the male member 20 is preferably made of a steel material such as bronze, brass or the like having a circular section in the same manner as the first bar for the arm member 10, but the present invention is not limited thereto, It may be made of an octagonal steel material.

The front and rear widths of the hinge grooves 24 are preferably slightly larger than the front and rear widths of the hinge protrusions 14 so that the locking and unclamping operations can be performed smoothly and stably.

( The arm member Absence of water  Assembly and plating processes)

A rubber ring 50 having a larger diameter than the width of the ring groove 22 is fitted in the ring groove 22 of the male member as shown in Fig. 8, and the through hole 25 of the hinge groove 24, The one end portion of the arm member 10 and the one end portion of the male member 20 are hingedly connected to each other by assembling the hinge pin 30 with the through hole 15 of the female member 14 being fitted, A surface treatment is performed in which a thin film of gold or silver is applied by an electroplating method or the like in order to produce a feeling of a noble image and a noble metal and to improve a gloss effect and corrosion resistance.

At this time, it is preferable that the surface of the arm member 10 and the water member 10 is subjected to a pretreatment step of hard and smooth polishing, and then the plating is performed.

The reason why the rubber ring 50 is filled in the ring groove 22 of the male member and then plated is that the entire thickness of the ring groove 22 is slightly increased due to the plating layer formed after the plating operation due to the characteristics of the electroplating. The edge portions such as the rim portions are unevenly coated with the plating film due to the difference in electric current generated in the electroplating process, resulting in thickening of the plating layer resulting in the combination of the pressure ring 40 shown in Fig. 6 and the flexible and resilient It is difficult to prevent the locking and unlocking operation of the arm member with the locking groove 12 due to the obstruction of the flow action.

( Pressure ring  Forming process)

6, a hole is drilled at the center of the third bar for the pressure ring 40 to a predetermined depth, and a part of the hole is cut and opened to give elasticity, and the outer periphery of the one end is cut into a round shape And then cut to a predetermined thickness to form a C-shaped pressure ring 40. [

Here, the pressure ring 40 is free to rotate in the state of being fitted in the ring groove 22 of the male member 10 in order to more effectively exert the elastic action when the female member 10 and the male member 20 are locked together, The inner diameter of the ring groove 22 is preferably slightly larger than the outer diameter of the ring groove 22 and the thickness thereof is formed to be slightly smaller than the width of the ring groove 22. [

The third bar for the pressure ring 40 is preferably made of a steel material such as spring steel, beryllium copper, phosphor bronze or the like having a circular section, A variety of steels having a high elastic limit and a large fatigue strength may be employed.

( Pressure ring  Assembly process)

The rubber ring 50 is removed from the water member 20 after the plating process and the pressure ring 40 is fitted into the ring groove 22 of the male member.

By this manufacturing, it is possible to reduce the manufacturing cost and improve the assembling ability by simplifying the structure, and to produce a simple and natural curvaceous and different design, thereby maximizing the aesthetics and decorative properties as well as utility as a precious metal.

<Bracelet>

1 to 6, a bracelet according to an embodiment of the present invention includes a female member 10, a male member 20, a hinge pin 30, and a pressure ring 40.

A socket 11 is formed at a center of one end of the arm member 10 so as to have a predetermined depth. A locking groove 12 is formed at a certain depth on the inner circumference of the socket 11, A choke 13 is formed at the edge of the socket 11 and a hinge protrusion 14 having a through hole 15 at the opposite end is formed.

As shown in FIG. 7, an attachment hole 16 may be formed in the outer periphery adjacent to the socket 11 of the first bar for the arm member 10 to attach a separate ornamental tool such as jewelry.

Here, the arm member 10 is preferably formed by bending a steel material such as bronze, brass or the like having a circular section, but the present invention is not limited to this. For example, a hexagonal or octagonal steel material may be formed by bending .

It is preferable that the inner diameter of the socket 11 is formed to be slightly larger than the outer diameter of the stud 21 so that the locking and unclamping operations can be performed smoothly and stably. For example, when the inner diameter of the socket 11 is 2.8 mm, the outer diameter of the stud 21 may be 2.5 mm.

The male member 20 has an arcuate or semicircular elliptical shape and has a stud 21 corresponding to the socket 11 formed at one end to be inserted into the socket 11 of the female member. A ring groove 22 is formed at a position corresponding to the locking groove 12 of the female member in the outer periphery of the stud 21. A round 23 is formed at the edge of the stud 21, And a hinge groove 24 having a through hole 25 corresponding to the hinge projection 14 of the arm member is formed.

As shown in FIG. 7, an attachment hole 26 may be formed in the outer periphery adjacent to the stud 21 of the second bar for the male member 20 for attaching a separate decorative member such as jewelry.

Here, the male member 20 is preferably formed by bending a steel material such as bronze, brass or the like having a circular section in the same manner as the female member 10. However, the male member 20 is not limited to the hexagonal or octagonal steel material Steel material) may be formed by bending.

The front and rear widths of the hinge grooves 24 are preferably slightly larger than the front and rear widths of the hinge protrusions 14 so that the locking and unclamping operations can be performed smoothly and stably.

The hinge pin 30 is fitted in a state in which the through hole 15 of the hinge projection and the through hole 25 of the hinge groove are in agreement with each other so that one end portion of the arm member 10 and one end portion of the male member 20 Connect with hinge joint.

The pressure ring 40 is engaged with the ring groove 22 of the male member and resiliently fitted in the locking groove 12 of the female member in accordance with the rotation about the hinge pin 30 to maintain mutual locking.

The pressure ring 40 is partly cut open for elasticity and is formed in a 'C' shape having a rounded outer periphery.

Here, the pressure ring 40 is free to rotate in the state of being fitted in the ring groove 22 of the male member 10 in order to more effectively exert the elastic action when the female member 10 and the male member 20 are locked together, The inner diameter of the ring groove 22 is preferably slightly larger than the outer diameter of the ring groove 22 and the thickness thereof is formed to be slightly smaller than the width of the ring groove 22. [

The pressure ring 40 is preferably made of spring steel, beryllium copper, phosphor bronze or the like. However, the pressure ring 40 may be made of various steel materials having a high elastic limit and high fatigue strength ). &Lt; / RTI &gt;

The bracelet according to the embodiment of the present invention configured as described above is capable of satisfying various tastes and desires of consumers by pursuing unique and unique things by giving a simple yet sophisticated and luxurious image by escaping the existing complex shape design , It is possible to maximize utility and quality as well as esthetics as a precious metal.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments or constructions. Various changes and substitutions may be made without departing from the spirit and scope of the invention. It will be obvious to those skilled in the art that the present invention can be widely applied to other embodiments.

Therefore, it is to be understood that modifications and variations of the features of the present invention are intended to be included within the spirit and scope of the present invention.

10: arm member 11: socket
12: Locking groove 13: Chamfer
14: Hinge projection 15: Through hole
16: attachment hole 20: water member
21: Stud 22: Ring groove
23: Round 24: Hinge groove
25: through hole 26: mounting hole
30: hinge pin 40: pressure ring
50: Rubber ring

Claims (5)

A method for manufacturing a bracelet comprising the steps of:
(A) A socket is made by piercing a hole with a predetermined depth in the center of one end of the first bar, and a locking groove is drilled in the inner periphery of the socket to a certain depth to slant the edge of the socket to make it dull, A step of cutting both sides of the opposite end of the bar material to form a hinge projection, punching a through hole in the center of the hinge projection, and bending the first bar to form an arm member
(B) cutting one end portion of the second bar to a predetermined length to make a stud corresponding to the socket, digging the ring groove to a predetermined depth at the outer periphery of the stud at a position corresponding to the locking groove, And cutting the center of the opposite end of the second bar to form a hinge groove corresponding to the hinge protrusion. After the through hole is punched at the center of the hinge groove, the second bar is bended Step of forming a water member
(C) a step of filling a ring groove of the male member with a rubber ring, connecting the hinge projections of the arm member and the through holes of the hinge grooves of the male member with a hinge pin,
(D) A hole is drilled in the center of the third bar at a predetermined depth, and a part of the bar is cut open to give elasticity. The outer periphery of one end of the third bar is cut into a round shape, Step of forming C-shaped pressure ring
(E) a step of removing the rubber ring from the water member after the step (C) and fitting the pressure ring into the ring groove of the male member
The method according to claim 1,
Wherein the step of (A) further comprises the step of perforating the outer circumferential edge of the arm member and the attaching hole for attaching the decorative member to the outer circumferential edge of the male member in the step (B).
The method according to claim 1,
In the step (A), the first bar of the arm member and the second bar member of the male member in the step (B) are braided in a two-step bending process in an arcuate or semi- Gt;
The method according to claim 1,
Further comprising a step of smoothly polishing the surface of the arm member and the male member before the step (C).
BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bracelet which is surface treated with a thin film using a metal such as gold or silver,
A first parallel portion is integrally formed at both ends of the first arcuate portion, a socket (inner diameter of 2.8 mm) is formed at the center of the end portion of one of the first parallel portions at a predetermined depth, A half-elliptical arm member having a locking groove formed at a predetermined depth, a chamber formed at an edge of the socket, and a hinge protrusion having a through-hole at an end of the first parallel portion of the other of the first parallel portions;
A second parallel portion is integrally formed at both ends of the second arcuate portion and a stud (outer diameter of 2.5 mm) corresponding to the socket is formed at the end of the second parallel portion of one of the second parallel portions to be inserted into the socket of the arm member A ring groove is formed in the outer periphery of the stud at a position corresponding to the locking groove and not surface-processed to a predetermined depth, a round is formed at the edge of the stud, and the other (opposite) A half-ellipse-like member having a hinge groove formed at an end of the second parallel portion and corresponding to the hinge projection and having a through-hole;
A hinge pin connecting the through hole of the hinge protrusion and the through hole of the hinge groove by a hinge joint; And
The hinge pin is engaged with the ring groove of the male member and is elastically fitted into the locking groove of the female member in accordance with the rotation about the hinge pin to maintain the mutual locking state while a part is cut open for elasticity, A C-shaped pressure ring having an inner diameter slightly larger than an outer diameter of the ring groove and slightly smaller than a width of the ring groove so as to freely rotate and vertically and horizontally move in a state of being fitted in the ring groove of the male member;
A bracelet containing.

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