Shell structure with ring clip

Abstract

A shell structure with a ring clip, which can be produced by insert molding. The preformed ring clip comprises of a head portion and an adjoining neck portion. The head portion is exposed outside the shell body. The neck portion extends through a retainer hole of the shell body, with a retainer portion formed at the end thereof. The retaining portion hooks the inner wall of the shell body. Particularly, the neck portion has a cone shape that enables the neck portion to be disengaged from the retainer hole of the shell body after forming. The ring clip is in a condition of loose assembly, and is able to rotate freely relative to the shell body.

1 . A shell structure with a ring clip, the shell structure having a retainer hole bored therethrough, characterized by: 
 the ring clip comprising a head portion and an adjoining neck portion, the head portion being exposed outside the shell structure, the neck portion extending through the retainer hole of the shell structure and hooking a inner wall of the shell structure, the neck portion having a cone shape with a slope, and the ring clip capable of rotating freely relative to the shell body.    
   
   
       2 . The shell structure with a ring clip of  claim 1 , wherein the head portion has a through slot for insertion by an external string.  
   
   
       3 . The shell structure with a ring clip of  claim 1 , wherein the head portion includes a skirt formed at the bottom thereof, the diameter of the skirt larger than the diameter of the retainer hole for preventing the head portion from falling into the shell body.  
   
   
       4 . The shell structure with a ring clip of  claim 1 , wherein the neck portion further comprises a retainer portion extending from the bottom of the neck portion.  
   
   
       5 . The shell structure with a ring clip of  claim 1 , wherein the neck portion is gradually shrunk from the interior of the shell body to the exterior of the shell body.  
   
   
       6 . The shell structure with a ring clip of  claim 1 , wherein the neck portion is gradually shrunk from the exterior of the shell body to the interior of the shell body.  
   
   
       7 . The shell structure with a ring clip of  claim 1 , wherein the height of the neck portion is longer than the depth of the retainer hole of the shell body for enabling the neck portion to move slightly back and forth relative to the shell body.