Detachable device case and top cover mounting structure

Abstract

A detachable device case and top cover mounting structure includes a case, a top cover detachably covered on the case, and two spring members fixedly fastened to the top cover corresponding to a respective through hole in the top cover and adapted to engage respective engagement structures at the case, each spring member having a retaining portion adapted to engage the corresponding engagement structure at the case and a press portion for pressing by the user to disengage the retaining portion from the corresponding engagement structure, each engagement structure of the case having a beveled edge adapted to guide the retaining portion of the corresponding spring plate into engagement with the corresponding engagement structure.

1 . A detachable device case and top cover mounting structure comprising: 
 a case, said case comprising a left-side panel and a right-side panel, said left-side panel and said right-side panel each having a top side and an engagement structure disposed at the top side;    a top cover covering said case, said top cover having two through holes cut through top and bottom surfaces thereof and respectively disposed adjacent to the left-side panel and right-side panel of said case; and    two spring plates respectively mounted on said top cover corresponding to said through holes, said spring plates each having a mounting portion disposed at one end thereof and fastened to an inner side of said top cover at a location far from an inner side of said left-side panel and said right-side panel, a retaining portion extended from an opposite end thereof and adapted to engage the engagement structure at one of the left-side panel and right-side panel of said case, and a press portion spaced between said mounting portion and said retaining portion and disposed adjacent to one side of said retaining portion corresponding to one through hole of said top cover for pressing by the user to disengage said retaining portion from the corresponding engagement structure of said case.    
   
   
       2 . The detachable device case and top cover mounting structure as claimed in  claim 1 , wherein the engagement structures of the left-side panel and right-side panel of said case are groove means adapted to receive the retaining portions of said spring plates, and the retaining portions of said spring plates are retaining flanges connectable to said groove means.  
   
   
       3 . The detachable device case and top cover mounting structure as claimed in  claim 2 , wherein the groove means of each said engagement structure comprises a sliding groove and a retaining portion; the retaining portions of said spring plates are respectively inserted through the sliding grooves of the groove means of said engagement structures and forced into engagement with the retaining portions of the groove means of said engagement structures.  
   
   
       4 . The detachable device case and top cover mounting structure as claimed in  claim 3 , wherein the groove means of each said engagement structure further comprises a stop portion spaced between the sliding groove and retaining portion of the respective groove means and adapted to stop the retaining portion of the corresponding spring plate in engagement with the retaining portion of the groove means of the corresponding engagement structure after insertion of the retaining portion of the corresponding spring plate into the sliding groove of the groove means of the corresponding engagement structure into engagement with the retaining portion of the groove means of the corresponding engagement structure.  
   
   
       5 . The detachable device case and top cover mounting structure as claimed in  claim 4 , wherein the stop portion of the groove means of each said engagement structure has a beveled edge adapted to guide the retaining portion of the corresponding spring plate into engagement with the retaining portion of the groove means of the corresponding engagement structure.  
   
   
       6 . The detachable device case and top cover mounting structure as claimed in  claim 1 , wherein said top cover is a substantially U-shaped plate member covered on said case, having a left-side flange and a right-side flange respectively extended from two opposite lateral sides thereof and respectively covered on the left-side panel and right-side panel of said case.  
   
   
       7 . The detachable device case and top cover mounting structure as claimed in  claim 6 , wherein the left-side panel and right-side panel of said case each have a sliding slot; the left-side flange and right-side flange of said top cover each have a guide rod respectively slidably inserted into the sliding slots of the left-side panel and right-side panel of said case.