Wrist exercising device and improved housing thereof

Abstract

An exemplary housing of a wrist exercising device includes a first cover, a second cover and a fixing ring. The first cover has a first bowl part and a first annular joining part. The first bowl part has a first opening end, and the first annular joining part extends from the first opening end. The second cover has a second bowl part and a second annular joining part. The second bowl part has a second opening end, and the second annular joining part extends from the second opening end. The fixing ring joins the first and second annular joining parts. A wrist exercising device using the housing is also provided.

What is claimed is: 
     
         1 . A wrist exercising device, comprising:
 a housing comprising:
 a first cover having a first bowl part and a first annular joining part, the first bowl part comprising a first opening end, and the first annular joining part extending from the first opening end; 
 a second cover having a second bowl part and a second annular joining part, the second bowl part comprising a second opening end, and the second annular joining part extending from the second opening end; and 
 a fixing ring joining the first and second annular joining parts; and 
   a rotating device disposed in the housing.   
     
     
         2 . The wrist exercising device according to  claim 1 , wherein the first bowl part comprises a first extending segment arranged at the first opening end thereof and extending inwardly from the first opening end, the first annular joining part is installed to the first extending segment, the second bowl part comprises a second extending segment arranged at the second opening end thereof and extending inwardly from the second opening end, the second annular joining part is installed to the second extending segment, and two ends of the fixing ring are leant against the first and second extending segments, respectively. 
     
     
         3 . The wrist exercising device according to  claim 1 , wherein the first cover further comprises a first annular platform annularly installed to the first annular joining part, the second cover further comprises a second annular platform annularly installed to the second annular joining part, the first and second annular platforms correspond to each other, and the rotating device comprises:
 a rotating shaft having two ends installed between the first and second annular platforms;   an annular wrapping element wrapping a portion of the rotating shaft; and   a rotating ring surrounding the rotating shaft and having two opposite shaft holes into which the two ends of the rotating shaft are inserted, respectively.   
     
     
         4 . The wrist exercising device according to  claim 3 , further comprising:
 a first annular track disposed at the first annular platform; and   a second annular track disposed at the second annular platform;   wherein the two ends of the rotating shaft are installed between the first and second annular tracks.   
     
     
         5 . The wrist exercising device according to  claim 3 , further comprising a counter disposed at one side of the first cover opposite to the first opening end or disposed at one side of the second cover opposite to the second opening end, the rotating device further comprising a signal emitter attached to the annular wrapping element and configured to provide signals to the counter. 
     
     
         6 . The wrist exercising device according to  claim 1 , further comprising an outer ring surrounding the fixing ring. 
     
     
         7 . The wrist exercising device according to  claim 1 , wherein the first and second annular joining parts are engaged to and surrounded by the fixing ring. 
     
     
         8 . A housing of a wrist exercising device, comprising:
 a first cover having a first bowl part and a first annular joining part, the first bowl part comprising a first opening end, and the first annular joining part extending from the first opening end;   a second cover having a second bowl part and a second annular joining part, the second bowl part comprising a second opening end, and the second annular joining part extending from the second opening end; and;   a fixing ring joining the first and second annular joining parts.   
     
     
         9 . The housing of the wrist exercising device according to  claim 8 , wherein the first bowl part comprises a first extending segment arranged at the first opening end thereof and extending inwardly from the first opening end, the first annular joining part is installed to the first extending segment, the second bowl part comprises a second extending segment arranged at the second opening end thereof and extending inwardly from the second opening end, the second annular joining part is installed to the second extending segment, and two ends of the fixing ring are leant against the first and second extending segments, respectively. 
     
     
         10 . The housing of the wrist exercising device according to  claim 1 , wherein the first cover further comprises a first annular platform annularly installed to one side of the first annular joining part facing to the second annular joining part, the second cover further comprises a second annular platform annularly installed to one side of the second annular joining part facing to the first annular joining part, and the first and second annular platforms correspond to each other. 
     
     
         11 . The housing of the wrist exercising device according to  claim 8 , further comprising an outer ring surrounding the fixing ring. 
     
     
         12 . The housing of the wrist exercising device according to  claim 8 , wherein the first and second annular joining parts are engaged to and surrounded by the fixing ring.