Double-end opening and closing type bead chain bead string connecting structure

By using a metal connecting strip and threaded hole connection, along with an elastic mechanism, the problem of poor durability of the soft cord in the bead chain is solved, achieving stable connection and convenient replacement of the bead chain, thus improving its lifespan and wearing experience.

CN224038597UActive Publication Date: 2026-03-27马桥
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-09
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing soft cords of beaded chains are not durable and the connection structure is not easy to fix, which makes the beaded chains easy to fall apart and inconvenient to replace and maintain.

Method used

The metal connecting strip is used to connect to the threaded holes of the tail shaft and the head shaft, combined with an elastic mechanism and snap-fit ​​structure to ensure stability and easy disassembly.

Benefits of technology

It improves the stability and durability of the beaded chain, simplifies the replacement and maintenance process, and ensures smooth opening and closing and ease of wearing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-end opening and closing type bead chain and bead string connecting structure, which belongs to the technical field of connecting structures and comprises a buckling body, the buckling body comprises a lower seat and an upper seat which are mutually buckled, a containing cavity is arranged between the upper seat and the lower seat, a tail port and a head port are respectively arranged at two ends of the buckling body, a tail shaft is rotatably clamped in the tail port, and the head port is connected with a tail end of the buckling body. A head end shaft is clamped in the head end opening, threaded holes are formed in the outer side of the tail end shaft and the outer side of the head end shaft, metal connecting strips are connected into the threaded holes in a threaded mode, and external threads are arranged at the two ends of each metal connecting strip; the connecting structure can solve the problems that in the prior art, a soft rope penetrating through jewelry jade is not prone to being fixedly connected with the opening and closing structure, and durability is poor, the metal connecting strips are arranged and connected with the tail end shaft and the head end shaft in a threaded mode, and stability and durability of bead chain connection are improved; external threads are designed at two ends of the metal connecting strip, so that disassembly and assembly are facilitated, and replacement and maintenance cost is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a double-end opening and closing type pearl chain pearl connecting structure and belongs to the technical field of cam segmentors. BACKGROUND

[0002] A pearl chain is a chain-shaped ornament, which is processed from various metals or jade into a round pearl-shaped ornament that can be connected in series. It is convenient to wear and can better fit the human body, playing a role in aesthetic decoration.

[0003] However, the existing pearl chain is often designed to be easily disassembled for easy wearing, such as the Chinese utility model patent file with the application number CN202322386423.9, which relates to a pressing type lock structure for jewelry. In this patent, the pipe body and the first cylinder need to be connected to the two free ends of the pearl chain in actual application.

[0004] For example, the Chinese utility model patent file with the application number CN202420655202.9 records a double-pressing type jewelry clasp, in which the first connecting pin and the second connecting pin are parts connected to the external pearl chain.

[0005] However, none of the above documents mentions the extension connection method with the pearl chain. In the prior art, after the jewelry is punched, a soft rope is used for threading, while the connection structure of the pearl chain is mostly made of hard material, usually metal, which can ensure the durability of the structure. However, the soft rope is not easy to connect and fix with the opening and closing structure, and the durability of the connection is poor. After the soft rope is damaged, the pearl chain will scatter, and it is also troublesome to replace it. Therefore, the utility model is proposed. UTILITY MODEL CONTENTS

[0006] The utility model is aimed at the deficiencies of the prior art and provides a double-end opening and closing type pearl chain pearl connecting structure to solve the problem of poor durability of the soft rope used to thread the jewelry and the problem of troublesome fixed connection between the connection structures in the prior art.

[0007] A double-end opening and closing type pearl chain pearl connecting structure includes a clasp body, which includes a lower seat and an upper seat that are mutually clamped. A receiving cavity is provided between the upper seat and the lower seat. A tail port and a head port are provided at both ends of the clasp body. A tail shaft is rotatably connected in the tail port, and a head shaft is placed and connected in the head port. Threaded holes are provided on the outer sides of the tail shaft and the head shaft. Metal connecting strips are connected in the threaded holes by threading. The metal connecting strips are used to thread the jewelry. Both ends of the metal connecting strips are provided with external threads.

[0008] End caps are fixed to one end of the tail shaft and the head shaft in the receiving cavity. The outer diameters of the end caps are greater than the inner diameters of the tail port and the head port, respectively. A grommet is provided on the tail shaft.

[0009] The upper surface of the upper seat is provided with anti-skid lines, the bottom of the upper seat located at the side of the head end port is fixed with a pressing block, the upper seat is provided with an upper opening allowing the pressing block to pass through, and the upper opening is in communication with the upper part of the head end port.

[0010] The side wall of the pressing block is fixed with a front clamping strip, and the lower seat is provided with a front clamping groove corresponding to the front clamping strip.

[0011] The bottom of the upper seat is fixed with a tail wing sliding block, the tail wing sliding block is located above the tail end port, and the lower seat is provided with a bottom through slot matched with the tail wing sliding block.

[0012] The lower seat is internally provided with an elastic mechanism, the elastic mechanism comprises a back baffle inserted into the lower seat, the side of the back baffle facing the head end port is fixed with an outward pushing spring, and one end of the outward pushing spring is fixedly connected with an outward pushing ring.

[0013] The bottom of the back baffle is fixed with a plug, the lower seat is provided with a plug slot corresponding to the plug, the two sides of the upper part of the back baffle are fixed with side extension plates, the upper part of the lower seat is provided with a position returning notch, the bottom of the outward pushing ring is fixed with a stabilizing strip block, the bottom of the lower seat is provided with a track slot accommodating the stabilizing strip block, and one end of the front clamping groove is in communication with the position returning notch.

[0014] The utility model discloses the beneficial effects are:

[0015] 1. solve the low life problem of soft rope: the utility model discloses the metal connecting strip is set up, and utilizes the screw thread mode and the tail end axle and the head end axle's screw hole connection, solved the soft rope of the prior art in the technology and wear and tear of the jewelry jade and connect the fixed problem of the open-close structure, avoided the situation that the soft rope damage leads to the pearl chain scattering, improved the stability and durability of pearl chain connection;

[0016] 2. convenient replacement and maintenance: the both ends of metal connecting strip are equipped with outer thread, convenient to disassemble and install, when needing to replace metal connecting strip or carrying out maintenance to it, simple and convenient operation, reduced use cost and maintenance difficulty;

[0017] 3. optimization open-close design: the lower pressing block of the upper seat bottom and the upper opening of the lower seat cooperate, and the front clamping strip and the front clamping groove are clamped, and the tail wing sliding block and the bottom through slot are clamped, so that the open-close of the buckling body is more smooth and stable, and the convenience of pearl chain wearing and disassembling is ensured, and the elastic mechanism installed in the lower seat can avoid accidental opening.

[0018] 4. ensure that the structure is stable and easy to use: the plug of the back baffle bottom cooperates with the plug slot in the lower seat, the side extension plate cooperates with the position returning notch, which facilitates the installation and disassembly of components. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.

[0020] Figure 2 The structure explosion schematic view of the present application;

[0021] Figure 3 The sectional view structure schematic view of the present application;

[0022] Figure 4 The elastic mechanism structure schematic view of the present application;

[0023] Figure 5 The upper seat structure schematic view of the present application;

[0024] Figure 6 The lower seat structure schematic view of the present application;

[0025] Figure 7 The position-retreating notch structure schematic view of the present application.

[0026] In the figure: 1, buckling body; 101, lower seat; 102, upper seat; 103, lower pressing block; 104, front clamping strip; 105, tail wing sliding block; 106, position-retreating notch; 2, tail shaft; 3, head end shaft; 4, metal connecting strip; 5, end cover part; 6, grommet; 7, elastic mechanism; 701, backstop; 702, outward pushing spring; 703, outward pushing ring; 704, pin; 705, side extension plate; 706, stabilizing strip block. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-7As shown, a double-end opening and closing type pearl chain stringing structure, comprising a buckle body 1, the buckle body 1 comprises a lower seat 101 and an upper seat 102 which are buckled with each other, a containing cavity is arranged between the upper seat 102 and the lower seat 101, tail end ports and head end ports are arranged at both ends of the buckle body 1 respectively, a tail shaft 2 is rotatably clamped in the tail end port, a head end shaft 3 is clamped in the head end port, thread holes are arranged on the outer sides of the tail shaft and the head end shaft 3, metal connecting strips 4 are connected in the thread holes through threads, the metal connecting strips 4 are used for passing through jewelry, outer threads are arranged at both ends of the metal connecting strips 4, end cover parts 5 are fixed at one end of the tail shaft 2 and the head end shaft 3 which are located in the containing cavity, the outer diameters of the end cover parts 5 are greater than the inner diameters of the corresponding tail end ports and head end ports respectively, a grommet 6 is sleeved on the tail shaft 2, the grommet 6 is used for filling the space, so as to adjust the tightness of the metal connecting strips 4, anti-skid lines are arranged on the upper surface of the upper seat 102, a lower pressing block 103 is fixed on the bottom of the upper seat 102 which is located on one side of the head end port, an upper opening is arranged on the lower seat 101, the lower pressing block 103 is allowed to pass through the upper opening, and the upper opening is connected with the upper part of the head end port.

[0029] A front clamping strip 104 is fixed on the side wall of the lower pressing block 103, a front clamping groove is arranged on the lower seat 101 corresponding to the front clamping strip 104, a tail wing sliding block 105 is fixed on the bottom of the upper seat 102, the tail wing sliding block 105 is located above the tail end port, a bottom through groove is arranged on the lower seat 101 corresponding to the clamping of the tail wing sliding block 105.

[0030] An elastic mechanism 7 is installed in the lower seat 101, the elastic mechanism 7 comprises a back baffle 701 which is inserted into the lower seat 101, an outer push spring 702 is fixed on the side of the back baffle 701 which faces the head end port, one end of the outer push spring 702 is fixedly connected with an outer push ring 703, a plug pin 704 is fixed on the bottom of the back baffle 701, a plug slot is arranged in the lower seat 101 corresponding to the plug pin 704, side extension plates 705 are fixed on both sides of the upper part of the back baffle 701, a position returning notch 106 is arranged on the upper part of the lower seat 101, a stabilizing strip block 706 is fixed on the bottom of the outer push ring 703, a track groove is arranged in the lower seat 101 corresponding to the accommodation of the stabilizing strip block 706, one end of the front clamping groove is connected with the position returning notch 106.

[0031] In use, the metal connecting strips 4 pass through the beads, and the both ends of the metal connecting strips 4 are connected with the tail shaft and the head end shaft 3 respectively, when it is needed to be disassembled, the upper seat 102 is pushed, the outer push spring 702 is compressed, the stabilizing strip block 706 and the front clamping strip 104 are continuously slid, until the tail wing sliding block 105 slides out of the bottom through groove, the front clamping strip 104 slides into the position returning notch 106, at this time, the upper seat 102 is taken off, when the upper seat 102 is pushed, the head end shaft 3 is pushed, the movement of the head end shaft 3 does not affect the use, or a notch is arranged on the end cover part 5 of the head end shaft 3, then the head end shaft 3 is taken off.

[0032] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0033] Furthermore, it should be understood that although the present specification is described in terms of embodiments, not every embodiment according to the present specification needs to exhibit each and every characteristic specified in the present specification. The specification can also be described in terms of a single independent technical solution, but this does not mean that each embodiment only contains one independent technical solution. The specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A double-end opening and closing type bead string connecting structure, comprising a buckle body (1), the buckle body (1) comprises a lower seat (101) and an upper seat (102) buckled to each other, and a containing cavity is arranged between the upper seat (102) and the lower seat (101), characterized in that: The tail port and the head port are respectively arranged at two ends of the buckle body (1), the tail shaft (2) is rotatably connected in the tail port, the head shaft (3) is connected in the head port, threaded holes are arranged on the outer sides of the tail shaft and the head shaft (3), the metal connecting strip (4) is connected in the threaded holes in a threaded mode, and outer threads are arranged at two ends of the metal connecting strip (4).

2. The dual-ended, open-and-close bead stringing connection structure of claim 1, wherein: End cover portions (5) are fixed at one end of the tail shaft (2) and the head shaft (3) in the containing cavity, the outer diameters of the end cover portions (5) are greater than the inner diameters of the tail port and the head port respectively, and the grommet (6) is arranged on the tail shaft (2).

3. The dual-ended, open-and-close bead stringing connection structure of claim 1, wherein: Anti-skid lines are arranged on the upper surface of the upper seat (102), the lower pressing block (103) is fixed at the bottom of the upper seat (102) on the side of the head port, the upper opening is arranged on the lower seat (101) and allows the lower pressing block (103) to pass through, and the upper opening is in communication with the upper portion of the head port.

4. The dual end opening and closing type bead string connecting structure according to claim 3, characterized by: The front clamping strip (104) is fixed on the side wall of the lower pressing block (103), and the front clamping groove is arranged on the lower seat (101) and corresponds to the front clamping strip (104).

5. The dual end opening and closing type bead string connecting structure according to claim 4, characterized in that: The tail wing sliding block (105) is fixed at the bottom of the upper seat (102), the tail wing sliding block (105) is located above the tail port, and the bottom through groove is arranged on the lower seat (101) and clamps the tail wing sliding block (105).

6. The dual-ended, open-and-close bead stringing connection structure of claim 5, wherein: The elastic mechanism (7) is arranged in the lower seat (101), the elastic mechanism (7) comprises the rear baffle (701) which is inserted into the lower seat (101), the outer push spring (702) is fixed on the side of the rear baffle (701) and faces the head port, and one end of the outer push spring (702) is fixedly connected with the outer push ring (703).

7. The dual-ended, open-and-close bead stringing connection structure of claim 6, wherein: The plug pin (704) is fixed at the bottom of the rear baffle (701), the plug groove is arranged in the lower seat (101) and corresponds to the rear baffle (701), the side extension plates (705) are fixed on the upper sides of the rear baffle (701), the retreat notch (106) is arranged on the upper portion of the lower seat (101), the stable strip block (706) is fixed at the bottom of the outer push ring (703), the track groove is arranged in the lower seat (101) and contains the stable strip block (706), and one end of the front clamping groove is in communication with the retreat notch (106).

Citation Information

Patent Citations

  • Press type lock catch structure for jewelry

    CN220916745U

  • Double-pressing type jewelry buckle

    CN222236912U