Retaining structure, disk retaining structure and disk storage structure with double-face carrier function

Abstract

A retaining structure with double-face carrier function includes a carrier unit, an elastic unit and a retaining unit. The carrier unit has a carrier body and a through hole passing through the carrier body. The elastic unit has a plurality of elastic arms extended from an inner surface of the through hole. The retaining unit has a plurality of retaining elements passing through the through hole. Each retaining element has a retaining portion connected to at least two of the elastic arms and extended above and under the through hole, a pressing portion extended inwards from one end of the retaining portion and at least one protrusion portion disposed on an outer surface of the retaining portion and adjacent to the pressing portion. The pressing portions above the through hole are arranged alternately and the pressing portions under the through hole are arranged alternately.

1 . A disk retaining structure with double-face carrier function, comprising:
 a carrier unit having a carrier body and a through hole passing through the carrier body, wherein at least two disks are respectively disposed on a top surface and a bottom surface of the carrier body, and each disk has a hole;   an elastic unit having a plurality of elastic arms extended from an inner surface of the through hole; and   a retaining unit having a plurality of retaining elements passing through the through hole, and the retaining elements pass through the holes for positioning the at least two disks, wherein each retaining element has a retaining portion connected to at least two of the elastic arms and extended above and under the through hole, a pressing portion extended inwards from one end of the retaining portion and at least one protrusion portion disposed on an outer surface of the retaining portion and adjacent to the pressing portion, and the pressing portions above the through hole are arranged alternately and the pressing portions under the through hole are arranged alternately.   
     
     
         2 . The disk retaining structure according to  claim 1 , wherein the carrier unit has at least four openings passing through the carrier body and adjacent to corners of the carrier body. 
     
     
         3 . The disk retaining structure according to  claim 1 , wherein the carrier body has a plurality of stripping holes in the through hole, and each stripping hole is surrounded by each retaining portion and every two elastic arms. 
     
     
         4 . The disk retaining structure according to  claim 1 , wherein the elastic arms are surroundingly arranged along the inner surface of the through hole. 
     
     
         5 . The disk retaining structure according to  claim 1 , wherein the through hole has a geometric center line, and the elastic arms and the pressing portions are extended towards the geometric center line. 
     
     
         6 . The disk retaining structure according to  claim 1 , wherein each protrusion portion and every two elastic arms are disposed beside the same external side of each retaining portion. 
     
     
         7 . A disk storage structure with double-face carrier function, comprising:
 a disk storage box having a top cover unit and a bottom cover unit corresponding to the top cover unit, wherein one end of the top cover unit and one end of the bottom cover unit are connected with each other in order to selectively open or close the disk storage box;   a carrier unit having a carrier body received in the disk storage box and a through hole passing through the carrier body;   an elastic unit having a plurality of elastic arms extended from an inner surface of the through hole; and   a retaining unit having a plurality of retaining elements passing through the through hole and disposed in the disk storage box, wherein each retaining element has a retaining portion connected to at least two of the elastic arms and extended above and under the through hole, a pressing portion extended inwards from one end of the retaining portion and at least one protrusion portion disposed on an outer surface of the retaining portion and adjacent to the pressing portion, and the pressing portions above the through hole are arranged alternately and the pressing portions under the through hole are arranged alternately.   
     
     
         8 . The disk storage structure according to  claim 7 , wherein the carrier unit has at least four openings passing through the carrier body and adjacent to corners of the carrier body. 
     
     
         9 . The disk storage structure according to  claim 7 , wherein the carrier body has a plurality of stripping holes in the through hole, and each stripping hole is surrounded by each retaining portion and every two elastic arms. 
     
     
         10 . The disk storage structure according to  claim 7 , wherein the elastic arms are surroundingly arranged along the inner surface of the through hole. 
     
     
         11 . The disk storage structure according to  claim 7 , wherein the through hole has a geometric center line, and the elastic arms and the pressing portions are extended towards the geometric center line. 
     
     
         12 . The disk storage structure according to  claim 7 , wherein each protrusion portion and every two elastic arms are disposed beside the same external side of each retaining portion. 
     
     
         13 . A retaining structure with double-face carrier function, comprising:
 a carrier unit having a carrier body and a through hole passing through the carrier body;   an elastic unit having a plurality of elastic arms extended from an inner surface of the through hole; and   a retaining unit having a plurality of retaining elements passing through the through hole, wherein each retaining element has a retaining portion connected to at least two of the elastic arms and extended above and under the through hole, a pressing portion extended inwards from one end of the retaining portion and at least one protrusion portion disposed on an outer surface of the retaining portion and adjacent to the pressing portion, and the pressing portions above the through hole are arranged alternately and the pressing portions under the through hole are arranged alternately.   
     
     
         14 . The retaining structure according to  claim 13 , wherein the carrier unit has at least four openings passing through the carrier body and adjacent to corners of the carrier body, and the elastic arms are surroundingly arranged along the inner surface of the through hole. 
     
     
         15 . The retaining structure according to  claim 13 , wherein the carrier body has a plurality of stripping holes in the through hole, and each stripping hole is surrounded by each retaining portion and every two elastic arms. 
     
     
         16 . The retaining structure according to  claim 13 , wherein the through hole has a geometric center line, and the elastic arms and the pressing portions are extended towards the geometric center line. 
     
     
         17 . The retaining structure according to  claim 13 , wherein each protrusion portion and every two elastic arms are disposed beside the same external side of each retaining portion.