Buckle with double-head structure and jewelry

By adopting a buckle device with a dual-head structure, and utilizing the buckle and unlocking structure of built-in elastic elements and slot components, the problems of low security and insufficient aesthetics of traditional buckle devices are solved, thereby improving the security and aesthetics of jewelry.

CN223745900UActive Publication Date: 2026-01-02GUANGZHOU BAIRUI JEWELRY
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Patent Information

Application Number
CN202520618012.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-01-02
Estimated Expiration
2035-04-02

AI Technical Summary

Technical Problem

Traditional double-headed jewelry clasp devices suffer from low safety, complex operation, and insufficient aesthetics, failing to meet the diverse needs of modern consumers for high-end jewelry.

Method used

The buckle device features a dual-head structure, including two first buckle fittings and one second buckle fitting. It utilizes a buckle and unlocking structure with built-in elastic elements and slot components, combined with a spherical design, to improve wearing safety and aesthetics.

Benefits of technology

It achieves a convenient and safe wearing experience. By combining the spherical structure of the clasp with the matching of beaded chains, it enhances the beauty and safety of the jewelry and simplifies the operation steps.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a button with a double-head structure and jewelry, the button comprises two first button accessories and a second button accessory, the first button accessory comprises a head nail, a head cap and a clamping groove part, and the clamping groove part is provided with a first annular body and a second annular body; the second buckle manufacturing accessory comprises a hollow ball accessory and a cylindrical accessory, two inserting holes are formed in the hollow ball accessory, and the two inserting holes correspond to the two ends of the cylindrical accessory respectively, so that the two first buckle manufacturing accessories can be inserted into the cylindrical accessory respectively; the buckle assembly comprises a gold nail and an elastic piece. When the head nail is inserted into the cylindrical accessory, the front end of the gold nail can fall onto the first annular body or the second annular body, and the gold nail abuts against the annular protrusion in the head nail inserting and pulling process so as to drive the clamping groove component to axially slide on the head nail. According to the utility model, the built-in elastic piece is adopted to enable the gold nail and the double-layer clamping groove part of the head nail to form a buckling and unlocking buckling structure, so that the buckle is more convenient and safer in the use process.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of jewelry, specifically relates to a make a knot with double make head structure and jewelry. BACKGROUND

[0002] In the jewelry design and production process, the knot making device is one of important components for guaranteeing the safety and stability of jewelry wearing. The traditional knot making device with double making head structure usually adopts fixed type fastener or simple spring mechanism, and these knot making devices often have the following problems in the using process: first, the safety of knot making is low, and jewelry is easily caused to fall off due to external force pulling, especially when the activity is large in the wearing process, the fastener of prior art often cannot effectively avoid such problems; second, the operation steps of traditional knot making device are relatively complex, and additional skill and strength are needed in use, which brings inconvenience to consumers; third, due to the lack of good combination of matched chain body and knot making on design, the device of prior art cannot present the delicacy and beauty required by jewelry in appearance.

[0003] Therefore, a new knot making device is urgently needed, which can not only improve the safety of jewelry wearing and simplify the use steps, but also take into account the aesthetic design of jewelry and the flexibility of locking or releasing the knot making, so as to make the design and use of jewelry more humanized, thereby meeting the multiple needs of modern consumers for high-end jewelry. UTILITY MODEL CONTENT

[0004] Based on this, the utility model provides a make a knot with double making head structure and jewelry to solve the technical problems that the knot making with double making head structure of prior art has single structure and shape, and cannot have safety and beauty.

[0005] To achieve the above purpose, on one hand, the utility model provides a make a knot with double making head structure, which comprises two first knot making accessories and a second knot making accessory, wherein:

[0006] The first knot making accessory comprises a making head nail, a making head cap and a clamping groove component, the making head cap is connected to the front end of the making head nail, and the clamping groove component is axially slidably sleeved on the making head nail close to the making head cap; the clamping groove component has a first annular body close to the making head cap and a second annular body away from the making head cap, an annular protrusion is connected between the first annular body and the second annular body, and the clamping groove component can insert at least part of the first annular body into the making head cap through axial sliding, and the top outer diameter of the annular protrusion is not less than the outer diameter of the making head cap;

[0007] The second buckle assembly comprises a hollow ball assembly and a cylindrical assembly arranged in the hollow ball assembly, two insertion holes are formed in the hollow ball assembly, and the two insertion holes correspond to two ends of the cylindrical assembly respectively, so that two first buckle assemblies can be inserted into the cylindrical assembly respectively; the cylindrical assembly is divided into left and right two sections, and at least one set of buckle assembly is arranged in each section; the buckle assembly comprises a gold pin and an elastic member, the rear end of the gold pin abuts against the elastic member, and the front end of the gold pin extends into the cylinder cavity of the cylindrical assembly through a through hole formed in the cylindrical assembly; when the head pin is inserted into the cylindrical assembly, the front end of the gold pin can fall on the first annular body or the second annular body, and the gold pin abuts against the annular protrusion during the insertion and extraction of the head pin to drive the clamping groove part to slide axially on the head pin.

[0008] As a further preferred technical scheme of the utility model, the front end of the gold pin is provided with an inclined surface in the insertion direction of the head pin, and the inclined surface is used for abutting against the head cap and the annular protrusion when the head pin is inserted into the cylindrical assembly.

[0009] As a further preferred technical scheme of the utility model, the two sides of the annular protrusion are both inclined surfaces, and the cross section of the annular protrusion is triangular.

[0010] As a further preferred technical scheme of the utility model, the gold pin has a baffle at the tail end, a column part extends out of the baffle, the baffle is used for abutting against the elastic member, and the column part extends into the cylinder cavity of the cylindrical assembly through a through hole formed in the cylinder wall of the cylindrical assembly.

[0011] As a further preferred technical scheme of the utility model, the elastic member is an elastic metal strip, and a boss for arranging the elastic metal strip is arranged on the outer wall surface of the cylindrical assembly.

[0012] As a further preferred technical scheme of the utility model, the outer edges of the two ends of the cylindrical assembly are annular bosses, and a sleeve for fixing the elastic metal strip is arranged on the boss.

[0013] As a further preferred technical scheme of the utility model, the hollow ball assembly is connected by two half ball buckles.

[0014] According to another aspect of the utility model, the utility model also provides a jewelry, which comprises a chain body and the buckle assembly with a double head structure.

[0015] As a further preferred technical scheme of the utility model, the chain connecting body matched with the first buckle assembly is arranged at the tail of the head pin.

[0016] As a further preferred technical scheme of the utility model, the joint chain body is composed of a circular body and a head making cover, the circular body is used for fixed connection with the head making nail, and the head making cover is buckled on the circular body for connecting the chain body.

[0017] As a further preferred technical scheme of the utility model, a small hole is arranged at the center of the cover surface of the head making cover, and the chain body is fixed by passing through the small hole through the knot arranged at the end.

[0018] The utility model discloses a buckle and jewelry with double head making structure, through adopting the above technical scheme, the following can be achieved

[0019] Beneficial effects:

[0020] 1) the utility model adopts the built-in elastic member to make the double-layered clamping groove component of gold nail and head making nail form the structure of buckle and unlocking buckle, so that the buckle is more convenient and safer in the use process;

[0021] 2) the built-in elastic member of the utility model buckle, the elastic force under gold nail cooperation clamping groove component, let jewelry in the wearing state keep security, thereby avoid easily falling off due to improper external force pulling;

[0022] 3) the utility model adopts the buckle of integral spherical structure, makes it and the chain body design of pearl chain highly fit, thereby deepening the pearl chain jewelry matching design, and the beautiful appearance of high-grade jewelry is embodied. DRAWINGS

[0023] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0024] Figure 1 It is the structure schematic view when the utility model has double head making structure's buckle in locking state;

[0025] Figure 2 It is Figure 1 the sectional view;

[0026] Figure 3 It is the structure schematic view when the utility model has double head making structure's buckle in unlocking state;

[0027] Figure 4 It is the exploded schematic view of the utility model joint chain body and the buckle with double head making structure;

[0028] Figure 5 It is the structure schematic view of clamping groove component;

[0029] Figure 6 It is the front end partial close-up view of first buckle accessory;

[0030] Figure 7Structure diagram of an embodiment provided for the connecting mode of the chain connector.

[0031] In the figure: 100, first fastener fitting, 101, fastener head, 1011, rear section of shank, 1012, front section of shank, 102, clamping groove component, 1021, annular protrusion, 1022, first ring body, 1023, second ring body, 103, fastener head cap, 200, second fastener fitting, 201, cylindrical fitting, 2011, through hole, 2012, boss, 2013, clamping groove, 202, elastic metal strip, 203, gold fastener, 204, envelope, 205, hollow ball fitting, 300, chain connector, 301, circular ring body, 302, fastener head cap.

[0032] The utility model discloses the purpose, function feature and advantage will combine embodiment, reference the further description of drawing. DETAILED DESCRIPTION

[0033] The utility model will be further described in combination with the drawings and specific embodiment. The language such as "upper", "lower", "left", "right", "intermediate" and "one" in preferred embodiment is only for the clear understanding of the narrative, and is not used to limit the scope of the utility model can be implemented, and the change or adjustment of the relative relationship, when no substantial change technical content, also be regarded as the utility model can be implemented the scope under the technical content.

[0034] As Figures 1 to 7 The utility model discloses a kind of pearl chain jewelry provided in the embodiment, it includes chain body (not shown in the figure), chain connector 300 and the fastener with double fastener head structure, the fastener with double fastener head structure is connected to the chain body of pearl chain by chain connector 300.

[0035] The fastener with double fastener head structure includes the first fastener fitting 100 and the second fastener fitting 200 matched with each other, wherein the first fastener fitting 100 is two.

[0036] The first buckle assembly 100 comprises a buckle pin 101, a buckle cap 103 and a clamping groove component 102. The buckle pin 101 has a cylindrical pin body rear section 1011, the front end of which extends axially to form a pin body front section 1012, and the outer diameter of the pin body rear section 1011 is larger than that of the pin body front section 1012. The buckle cap 103 is sleeved on the end of the pin body front section 1012 of the buckle pin 101 by a cap head, and an annular accommodating cavity is formed between the cap body of the buckle cap 103 and the pin body front section 1012. The clamping groove component 102 is axially slidably sleeved on the pin body front section 1012 of the buckle pin 101 near the buckle cap 103. The clamping groove component 102 has a first annular body 1022 near the buckle cap 103 and a second annular body 1023 away from the buckle cap 103, and an annular protrusion 1021 is arranged between the first annular body 1022 and the second annular body 1023, and the clamping groove component 102 can insert at least part of the first annular body 1022 into the annular accommodating cavity of the buckle cap 103 by axial sliding. The two sides of the annular protrusion 1021 are both inclined surfaces, and the annular protrusion 1021 is similar to a triangular body, the cross section of which is triangular, and the outer diameter of the top of the annular protrusion 1021 is not less than the outer diameter of the buckle cap 103.

[0037] Due to the movability of the clamping groove component 102, a first annular groove can be formed between the annular protrusion 1021 and the buckle cap 103 on the first annular body 1022; in addition, a second annular groove is formed on the second annular body 1023 corresponding to the first annular groove, and the second annular groove is formed between the annular protrusion 1021 and another annular protrusion arranged at the rear end of the second annular body 1023, or between the annular protrusion 1021 and the pin body rear section of the buckle pin 101.

[0038] The second buckle assembly 200 comprises a hollow ball assembly 205 and a cylindrical assembly 201 arranged in the hollow ball assembly 205. Two insertion holes are formed in the hollow ball assembly, and the two insertion holes correspond to two ends of the cylindrical assembly respectively, so that two first buckle assemblies can be respectively inserted into the cylindrical assembly. The cylindrical assembly is divided into left and right two sections, and each section is provided with two groups of buckle assemblies which are symmetrical in up and down directions. The buckle assembly comprises a gold pin 203 and an elastic member. The rear end of the gold pin 203 abuts against the elastic member, and the front end of the gold pin 203 extends into the cylinder cavity of the cylindrical assembly 201 through a through hole 2011 formed in the cylinder wall of the cylindrical assembly 201. Specifically, the gold pin 203 has a baffle at the tail end, and a column part extending from the baffle is used as the front end of the gold pin 203 and extends into the cylinder cavity of the cylindrical assembly 201 through the through hole 2011. The elastic member is selected as an elastic metal strip 202. In order to fix the elastic metal strip 202, a circular annular boss 2012 is formed at the outer edge of each end and the middle of the cylindrical assembly 201. The left and right sections of the cylindrical assembly 201 share the elastic metal strip 202, so that the elastic metal strip 202 is placed on the boss 2012 at both ends and the middle. The boss 2012 is provided with a clamping groove 2013 corresponding to the elastic metal strip 202. In order to further fix the elastic metal strip 202, an envelope 204 is further sleeved on the boss 2012 at both ends of the cylindrical assembly 201. The baffle is used to abut against the elastic metal strip 202, and at the same time, the baffle limits the gold pin 203 from sliding into the cylindrical assembly 201 as a whole. Therefore, the gold pin 203 has a force tending to the axis of the cylindrical assembly 201 under the action of the elastic metal strip 202, so as to cooperate with the head cap 103 and the clamping groove part 102 on the head pin 101.

[0039] The two first buckle assemblies 100 are connected with the chain body through the chain connecting body 300, so as to form a complete pearl chain jewelry. Specifically, the chain connecting body 300 matched with the first buckle assembly 100 is arranged at the tail of the head pin 101. The chain connecting body 300 is composed of a circular ring body 301 and a head cover 302. The circular ring body 301 is used to be fixedly connected with the hollow ball assembly 205 or the head pin 101 by welding, bonding or clamping. The head cover 302 is buckled on the circular ring body 301 and is fixedly connected by welding, bonding or screwing. Alternatively, the head cover 302 can be fixedly connected with the circular ring body 301 by the threaded cooperation as shown in the figure. Specifically, the circular ring body 301 is provided with external threads, and the head cover 302 is provided with internal threads. A small hole is formed in the center of the cover surface of the head cover 302, and the small hole is fixed by a knot. Figure 7

[0040] The specific buckle operation and mechanism of the present application are as follows:

[0041] ​Locking buckle: when the head nail 101 is inserted into the hollow ball fitting 205 through the hole of the barrel fitting 201, first, the head cap 103 at the front end of the head nail 101 is in contact with the gold nail 203 at the front end, and the gold nail 203 is retreated against the elastic force of the elastic metal strip 202, in order to facilitate the head cap 103 to retreat the gold nail 203, the cap head of the head cap 103 can be provided in a spherical cap structure or rounded corner; the head nail 101 continues to advance, until it is slid onto the card slot component 102 and is in contact with the annular protrusion 1021, and the card slot component 102 is pushed to slide backward on the head nail 101 by a small segment, and the shaft shoulder between the nail body front segment 1012 and the nail body rear segment 1011 of the head nail 101 limits and fixes the card slot component 102, at this time, the front end of the gold nail 203 is clamped in the first annular groove on the first annular body 1022, and the gold nail 203 is limited by the cap body edge of the head cap 103, so as to realize the fixed connection of the first buckle fitting 100 and the second buckle fitting 200.

[0042] Buckle unlocking: when the locked first buckle fitting 100 and the second buckle fitting 200 need to be separated, two steps are needed. First, continue to push the head nail 101 in the direction of locking the buckle, so that the gold nail 203 slides through the annular protrusion 1021 and falls into the second annular groove on the second annular body 1023; then pull the head nail 101 in the opposite direction, the gold nail 203 will first abut against the annular protrusion 1021 and drive the card slot component 102 to slide towards the head cap 103, and the first annular body 1022 is inserted into the annular accommodating cavity of the head cap 103, so that the opening of the first annular groove is narrowed, until the card slot component 102 no longer moves; at this time, continue to pull the head nail 101, the gold nail 203 will be pushed open by the annular protrusion 1021, and the gold nail 203 will fall onto the cap body of the head cap 103, so as to realize the unlocking of the buckle, and separate the first buckle fitting 100 and the second buckle fitting 200.

[0043] In order to realize better nail pulling, the depth of the first annular groove can be greater than the depth of the second annular groove; further, the end of the head cap 103 close to the card slot component 102 is provided with a beveled opening edge matching the slope surface of the annular protrusion 1021, so that when the card slot component 102 slides towards the head cap 103, part of the annular protrusion 1021 can be hidden in the head cap 103, so that when the gold nail passes the annular protrusion 1021, it will not fall into the first annular groove, but fall onto the head cap 103.

[0044] Although the specific embodiments of the present application are described above, those skilled in the art should understand that these are only examples, and various changes or modifications can be made to the embodiments without departing from the principles and essence of the present application, and the protection scope of the present application is only limited by the appended claims.

Claims

1. A button making machine having a double die head structure, characterized by, The application relates to a buckle with a double-head structure, which comprises two first buckle fittings and a second buckle fitting. The first buckle fitting comprises a head pin, a head cap and a clamping groove component, the head cap is connected to the front end of the head pin, and the clamping groove component is axially slidably sleeved on the head pin close to the head cap; the clamping groove component has a first annular body close to the head cap and a second annular body away from the head cap, an annular protrusion is connected between the first annular body and the second annular body, and at least part of the first annular body can be inserted into the head cap by axial sliding of the clamping groove component, and the top outer diameter of the annular protrusion is not less than the outer diameter of the head cap; The second buckle fitting comprises a hollow ball fitting and a cylindrical fitting arranged in the hollow ball fitting, two insertion holes are formed in the hollow ball fitting, the two insertion holes correspond to the two ends of the cylindrical fitting respectively, so that the two first buckle fittings can be respectively inserted into the cylindrical fitting; the cylindrical fitting is divided into left and right two sections, and at least one set of buckle assembly is arranged in each section; the buckle assembly comprises a gold pin and an elastic member, the rear end of the gold pin abuts against the elastic member, and the front end of the gold pin extends into the cylinder cavity of the cylindrical fitting through a through hole formed in the cylindrical fitting; when the head pin is inserted into the cylindrical fitting, the front end of the gold pin can fall on the first annular body or the second annular body, and the front end of the gold pin is abutted against the annular protrusion during the insertion and extraction of the head pin to drive the clamping groove component to axially slide on the head pin.

2. The button making machine having a double die structure according to claim 1, wherein The front end of the gold pin is provided with a beveled surface facing the insertion direction of the head pin, and the beveled surface is used for abutting against the head cap and the annular protrusion when the head pin is inserted into the cylindrical fitting.

3. The button making machine having a double die structure according to claim 1, wherein The two sides of the annular protrusion are both slope surfaces, and the cross section of the annular protrusion is triangular.

4. The button making machine having a double die structure according to claim 1, wherein The gold pin has a baffle at the tail end, a column part extends out of the baffle, the baffle is used for abutting against the elastic member, and the column part extends into the cylinder cavity of the cylindrical fitting through a through hole formed in the cylinder wall of the cylindrical fitting.

5. The button making machine having a double die structure according to claim 4, wherein The elastic member is an elastic metal strip, and a boss for arranging the elastic metal strip is arranged on the outer wall surface of the cylindrical fitting.

6. The button making machine having a double die structure according to claim 5, wherein The boss is annularly protruded on the outer edges of the two ends of the cylindrical fitting, and a sealing sleeve for fixing the elastic metal strip is further sleeved on the boss.

7. A piece of jewelry, characterized in that The application further relates to a chain body and a buckle with a double-head structure according to any one of claims 1-6, and the two first buckle fittings of the buckle with a double-head structure are connected to the chain body through a chain connecting body.

8. The jewelry of claim 7, wherein, The chain connecting body matched with the first buckle fitting is arranged at the tail of the head pin.

9. The jewelry of claim 8, wherein, The chain connecting body is composed of a circular ring body and a head cover, the circular ring body is used for fixedly connecting with the head pin, and the head cover is buckled on the circular ring body to connect the chain body.

10. The jewelry of claim 9, wherein, A small hole is arranged in the center of the cover surface of the head cover, the end of the chain body passes through the small hole and is fixed by arranging a knot.