Wrist exercising device and housing thereof

Abstract

A housing of a wrist exercising device includes a first cover, a second cover and a fixing ring. The first cover has a first opening end and a first joining portion. The first joining portion includes a first annular bottom wall extending outside from the first opening end and a first annular side wall surrounding the first annular bottom wall. The second cover has a second opening end and a second joining portion. The second joining portion includes a second annular bottom wall extending outside from the second opening end and a second annular side wall surrounding the second annular bottom wall. The fixing ring wraps the first joining portion and the second joining portion which are joined with each other. A wrist exercising device using the housing is also provided.

1 . A wrist exercising device, comprising:
 a housing comprising:
 a first cover having a first opening end and a first joining portion extending outside from the first opening end, the first joining portion comprising a first annular bottom wall extending outside from the first opening end and a first annular side wall surrounding the first annular bottom wall; 
 a second cover having a second opening end and a second joining portion extending outside from the second opening end, the second joining portion being configured to be joined with the first joining portion, the second joining portion comprising a second annular bottom wall extending outside from the second opening end and a second annular side wall surrounding the second annular bottom wall; and 
 a fixing ring wrapping the first joining portion and second joining portion which are joined with each other; and 
   a rotating device disposed in the housing.   
     
     
         2 . The wrist exercising device according to  claim 1 , wherein the rotating device comprises a rotating shaft, an annular wrapping element and a rotating ring, two ends of the rotating shaft are installed between the first annular bottom wall and the second annular bottom wall, the annular wrapping element wraps a portion of the rotating shaft, the rotating ring surrounds the rotating shaft and has two opposite shaft holes, and the two ends of the rotating shaft are inserted into the two shaft holes, respectively. 
     
     
         3 . The wrist exercising device according to  claim 2 , further comprising a first annular track and a second annular track, wherein the first annular track is disposed at the first annular bottom wall, the second annular track is disposed at the second annular bottom wall, and the two ends of the rotating shaft are installed between the first annular track and the second annular track. 
     
     
         4 . The wrist exercising device according to  claim 2 , further comprising a counter, wherein the counter is 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 comprises a signal emitter, and the signal emitter is attached to the annular wrapping element and configured to provide signals to the counter. 
     
     
         5 . The wrist exercising device according to  claim 4 , wherein the annular wrapping element is defined with a mounting hole, the rotating shaft has an annular inner wall, the annular inner wall is defined with a notch, the notch is communicated with the mounting hole to expose the mounting hole, the notch is provided with at least an abutting portion, the signal emitter is a magnet unit, the magnet unit comprises a fixing tube and a magnet disposed in the fixing tube, the fixing tube is mounted in the mounting hole via the notch, the fixing tube is provided with at least an elastic pillar protruding out of the mounting hole, and the elastic pillar abuts on the abutting portion. 
     
     
         6 . The wrist exercising device according to  claim 5 , wherein the fixing tube is further provided with at least a stopping block protruding out of the mounting hole, and the stopping block interferes with the annular wrapping element. 
     
     
         7 . The wrist exercising device according to  claim 2 , wherein the rotating shaft and the annular wrapping element are integrated into one piece. 
     
     
         8 . The wrist exercising device according to  claim 1 , wherein the fixing ring has elasticity. 
     
     
         9 . The wrist exercising device according to  claim 1 , wherein the first cover further comprises a first bottom wall opposite to the first opening end and a first side wall surrounding the first bottom wall, the first annular bottom wall extends outside from the first side wall, the second cover further comprises a second bottom wall opposite to the second opening end and a second side wall surrounding the second bottom wall, and the second annular bottom wall extends outside from the second side wall. 
     
     
         10 . The wrist exercising device according to  claim 1 , wherein the first annular side wall and the second annular side wall are joined with each other by interference fit. 
     
     
         11 . The wrist exercising device according to  claim 1 , wherein an annular groove is defined in an inner wall of the fixing ring for receiving the first joining portion and the second joining portion which are joined with each other. 
     
     
         12 . The wrist exercising device according to  claim 1 , wherein the first annular side wall has an outer diameter smaller than an outer diameter of the second annular side wall, and the first annular side wall is located inside the second annular side wall when the first joining portion is joined with the second joining portion. 
     
     
         13 . A housing of a wrist exercising device, comprising:
 a first cover having a first opening end and a first joining portion extending outside from the first opening end, the first joining portion comprising a first annular bottom wall extending outside from the first opening end and a first annular side wall surrounding the first annular bottom wall;   a second cover having a second opening end and a second joining portion extending outside from the second opening end, the second joining portion being configured to be joined with the first joining portion, the second joining portion comprising a second annular bottom wall extending outside from the second opening end and a second annular side wall surrounding the second annular bottom wall; and   a fixing ring wrapping the first joining portion and the second joining portion which are joined with each other.   
     
     
         14 . The housing of the wrist exercising device according to  claim 13 , wherein the fixing ring has elasticity. 
     
     
         15 . The housing of the wrist exercising device according to  claim 13 , wherein the first cover further comprises a first bottom wall opposite to the first opening end and a first side wall surrounding the first bottom wall, the first annular bottom wall extends outside from the first side wall, the second cover further comprises a second bottom wall opposite to the second opening end and a second side wall surrounding the second bottom wall, and the second annular bottom wall extends outside from the second side wall. 
     
     
         16 . The housing of the wrist exercising device according to  claim 13 , wherein the first annular side wall and the second annular side wall are joined with each other by interference fit. 
     
     
         17 . The housing of the wrist exercising device according to  claim 13 , wherein an annular groove is defined in an inner wall of the fixing ring for receiving the first joining portion and the second joining portion which are joined with each other. 
     
     
         18 . The housing of the wrist exercising device according to  claim 13 , wherein the first annular side wall has an outer diameter smaller than an outer diameter of the second annular side wall, and the first annular side wall is located inside the second annular side wall when the first joining portion is joined with the second joining portion.