User-friendly jewelry chain

Abstract

A user-friendly jewelry chain having a chain, a charm, a stop ring and a clasp; the stop ring has a flexible positioning component; the charm has a positioning through-hole. The charm is sleeved on the stop ring and fixedly positioned on the stop ring. The clasp has a male end, a female end, a locking sleeve, a flexible pin component and a flat spring component. The female end is connected to the chain; the flexible pin component and the flat spring component are respectively mounted on the female end. A pin slot and a flat spring slot are formed in the locking sleeve. The pin slot has horizontal slots and a vertical slot. The female end is sleeved into the locking sleeve. The flexible pin component and flat spring component of the female end respectively act on slot walls of the vertical slot and the flat spring slot.

What is claimed is: 
     
         1 . A user-friendly jewelry chain comprising a chain ( 1 ), at least one charm ( 2 ), at least one stop ring ( 3 ) which can be fixed on the chain ( 1 ) and a clasp, characterized in that the stop ring ( 3 ) is provided with a flexible positioning component ( 7 ); the charm ( 2 ) is provided with a positioning through-hole ( 21 ) which allows the chain ( 1 ) and the stop ring ( 3 ) to pass through; the charm ( 2 ) is sleeved on the stop ring ( 3 ), and the charm ( 2 ) is fixedly positioned on the stop ring ( 3 ) by the flexible positioning component ( 7 ) acting on a hole wall of the positioning through-hole ( 21 ); the clasp comprises a male end ( 4 ), a female end ( 5 ), a locking sleeve ( 6 ), a flexible pin component ( 8 ) and a flat spring component ( 9 ); the female end ( 5 ) is connected to one end of the chain ( 1 ); the flexible pin component ( 8 ) and the flat spring component ( 9 ) are respectively mounted on the female end ( 5 ); the locking sleeve ( 6 ) is of a hollow structure, and a pin slot ( 10 ) and a flat spring slot ( 61 ) are formed inside one end of the locking sleeve ( 6 ); the pin slot ( 10 ) comprises horizontal slots ( 101 ) and a vertical slot ( 102 ), and the horizontal slots ( 101 ) and the vertical slot ( 102 ) are interlinked; the female end ( 5 ) is sleeved into one end of the locking sleeve ( 6 ); the flexible pin component ( 8 ) on the female end ( 5 ) enters from the horizontal slots ( 101 ) and slides into the vertical slot ( 102 ) along the horizontal slots ( 101 ); rotation of the locking sleeve ( 6 ) causes the flexible pin component ( 8 ) to act on a slot wall of the vertical slot ( 102 ) and the flat spring component ( 9 ) on the female end ( 5 ) to embed into the flat spring slot ( 61 ) of the locking sleeve ( 6 ) and act on a slot wall of the flat spring slot ( 61 ), so that the chain ( 1 ), the female end ( 5 ) and the locking sleeve ( 6 ) are assembled together. 
     
     
         2 . The user-friendly jewelry chain as in  claim 1 , characterized in that the positioning through-hole ( 21 ) of the charm ( 2 ) is formed by an inner annular slot ( 22 ) and a positioning ring ( 23 ) disposed at each of two ends of the inner annular slot ( 22 ); the flexible positioning component ( 7 ) acts on a slot wall of inner annular slot ( 22 ) of the positioning through-hole ( 21 ). 
     
     
         3 . The user-friendly jewelry chain as in  claim 2 , characterized in that positioning blades ( 24 ) are also provided on the inner annular slot ( 22 ) of the positioning through-hole ( 21 ). 
     
     
         4 . The user-friendly jewelry chain as in  claim 1 , characterized in that the flexible pin component ( 8 ) comprises two flexible pins ( 81 ), and the two flexible pins ( 81 ) are symmetrically mounted on the female end ( 5 ). 
     
     
         5 . The user-friendly jewelry chain as in  claim 1 , characterized in that the flat spring component ( 9 ) comprises two flat springs ( 91 ), each of the flat springs ( 91 ) has one end which forms a mounting portion ( 92 ) and another end which bends to form a flexible snap portion ( 93 ); the two flat springs ( 91 ) are symmetrically mounted on the female end ( 5 ) through their respective mounting portions ( 92 ). 
     
     
         6 . The user-friendly jewelry chain as in  claim 1 , characterized in that one end of the locking sleeve ( 6 ) is provided with the pin slot ( 10 ) and the flat spring slot ( 61 ); the pin slot ( 10 ) is formed by two horizontal slots ( 101 ) and a vertical slot ( 102 ); the vertical slot ( 102 ) and the flat spring slot ( 61 ) are annular slots along an inner periphery of the locking sleeve ( 6 ); the two horizontal slots ( 101 ) are symmetrically arranged and pass through the flat spring slot ( 61 ) respectively to interlink with the vertical slot ( 102 ). 
     
     
         7 . The user-friendly jewelry chain as in  claim 6 , characterized in that an interlinking part of the horizontal slots ( 101 ) and the vertical slot ( 102 ) is provided with four slots ( 103 ) which are distributed in a cross shape in the vertical slot ( 102 ). 
     
     
         8 . The user-friendly jewelry chain as in  claim 1 , characterized in that it further comprises a fixed ring ( 20 ) and a jewelry chain connector ( 30 ); one end of the jewelry chain connector ( 30 ) is provided with a jewelry chain connecting slot ( 40 ), and the jewelry chain connector ( 30 ) is connected by the jewelry chain connecting slot ( 40 ) to one end of the chain ( 1 ); another end of the jewelry chain connector ( 30 ) is provided with a coupling spindle ( 302 ) with a limiting head ( 301 ); the fixed ring ( 20 ) is sleeved on the coupling spindle ( 302 ); the female end ( 5 ) is provided with a mounting slot ( 51 ) at a rear end thereof for receiving the limiting head ( 301 ) and embedding the fixed ring ( 20 ); the jewelry chain connector ( 30 ) is mounted in the mounting slot ( 51 ) through its limiting head ( 301 ), and the fixed ring ( 20 ) is fixedly embedded in a rabbet of the mounting slot ( 51 ), so that it is rotatably connected with the female end ( 5 ). 
     
     
         9 . The user-friendly jewelry chain as in  claim 1 , characterized in that the male end ( 4 ) has an outer surface which is provided with limiting stoppers ( 41 ); the male end ( 4 ) is connected to another end of the chain ( 1 ); another end of the locking sleeve ( 6 ) is provided with a limiting collar ( 62 ), and the limiting collar ( 62 ) is provided with grooves ( 63 ) for cooperating with the limiting stoppers ( 41 ); a front end of the female end ( 5 ) is respectively provided with an assembly slot ( 52 ) and notches ( 53 ) which cooperate with the limiting stoppers ( 41 ); the male end ( 4 ) passes through the limiting collar ( 62 ) of the locking sleeve ( 6 ) to embed in the assembly slot ( 52 ) of the female end ( 5 ), thus the limiting collar ( 62 ) of the locking sleeve ( 6 ) fixedly connects the male end ( 4 ) and the female end ( 5 ) to join two ends of the chain ( 1 ) together. 
     
     
         10 . The user-friendly jewelry chain as in  claim 4 , characterized in that the flexible positioning component ( 7 ) and the flexible pins ( 81 ) respectively comprise a pin cylinder ( 71 ), a return spring ( 72 ) and an abutting means ( 73 ); the return spring ( 72 ) is mounted in the pin cylinder ( 71 ); the abutting means ( 73 ) is provided at an end of the pin cylinder ( 71 ); an end of the return spring ( 72 ) abuts against the abutting means ( 73 ); the abutting means ( 73 ) is a metal ball or a metal pin.