Waterproof Bag

Abstract

A waterproof bag includes a bag body having a receiving space and a through hole, a mounting seat mounted in the receiving space of the bag body and having a mounting chamber which has a plurality of connecting holes connected between the mounting chamber and the receiving space, a control plate movably mounted in the mounting chamber and movable to seal the connecting holes, an outer cover mounted on the bag body and having a plurality of drain holes connected to the through hole, and a filter mounted on the bag body and disposed between the through hole and the drain holes. Thus, the control plate co-operates with the mounting seat to function as a one-way valve which only drains the air in the bag body and can prevent the ambient air from entering the bag body.

1 . A waterproof bag, comprising:
 a bag body having an inner portion provided with a receiving space and having a periphery provided with a through hole connected to the receiving space;   a mounting seat mounted in the receiving space of the bag body and having an inner portion provided with a mounting chamber which is connected to the through hole of the bag body and has a bottom wall provided with a plurality of connecting holes connected to the receiving space of the bag body;   a control plate movably mounted in the mounting chamber of the mounting seat and movable to seal the connecting holes of the mounting seat and to interrupt a connection between the connecting holes and the mounting chamber of the mounting seat;   an outer cover mounted on the bag body and having a surface provided with a plurality of drain holes connected to the through hole of the bag body; and   a filter mounted on the bag body and disposed between the through hole of the bag body and the drain holes of the outer cover.   
     
     
         2 . The waterproof bag of  claim 1 , wherein
 the bottom wall of the mounting chamber of the mounting seat has a central portion provided with a mounting hole;   the control plate has a central portion provided with a limit post movably mounted in the mounting hole of the mounting seat so that the control plate is movable relative to the mounting seat.   
     
     
         3 . The waterproof bag of  claim 1 , wherein the mounting seat has a bottom provided with a plurality of upright separation bars which separate the connecting holes of the mounting seat from the bag body. 
     
     
         4 . The waterproof bag of  claim 1 , wherein the control plate has a substantially arc-shaped cross-sectional profile. 
     
     
         5 . The waterproof bag of  claim 2 , wherein the limit post of the control plate has a peripheral wall provided with an enlarged stop flange that is movable to abut a bottom of the mounting hole of the mounting seat. 
     
     
         6 . The waterproof bag of  claim 1 , wherein the through hole of the bag body is disposed between the filter and the mounting chamber of the mounting seat. 
     
     
         7 . The waterproof bag of  claim 2 , wherein the mounting hole of the mounting seat is surrounded by the connecting holes. 
     
     
         8 . The waterproof bag of  claim 2 , wherein the mounting hole of the mounting seat is connected between the mounting chamber of the mounting seat and the receiving space of the bag body. 
     
     
         9 . The waterproof bag of  claim 1 , wherein the connecting holes of the mounting seat is connected between the mounting chamber of the mounting seat and the receiving space of the bag body. 
     
     
         10 . The waterproof bag of  claim 3 , wherein the separation bars of the mounting seat protrude outwardly from the bottom of the mounting seat. 
     
     
         11 . The waterproof bag of  claim 3 , wherein the separation bars of the mounting seat extend into the receiving space of the bag body. 
     
     
         12 . The waterproof bag of  claim 5 , wherein the stop flange of the limit post is disposed between the mounting hole of the mounting seat and the receiving space of the bag body. 
     
     
         13 . The waterproof bag of  claim 5 , wherein the stop flange of the limit post has a size greater than that of the mounting hole of the mounting seat. 
     
     
         14 . The waterproof bag of  claim 5 , wherein
 the control plate is movable to space from the connecting holes of the mounting seat when the stop flange of the limit post is movable to abut the bottom of the mounting hole of the mounting seat;   the control plate is movable to seal the connecting holes of the mounting seat when the stop flange of the limit post is movable to space from the bottom of the mounting hole of the mounting seat.   
     
     
         15 . The waterproof bag of  claim 1 , wherein
 the outer cover is located outside of the bag body;   the filter is located outside of the bag body.   
     
     
         16 . The waterproof bag of  claim 1 , wherein the outer cover has a size greater than that of the through hole of the bag body and that of the mounting chamber of the mounting seat. 
     
     
         17 . The waterproof bag of  claim 1 , wherein the filter is disposed between the outer cover and the bag body. 
     
     
         18 . The waterproof bag of  claim 1 , wherein the filter is fully covered by and hidden in the outer cover. 
     
     
         19 . The waterproof bag of  claim 1 , wherein the filter has a size greater than that of the through hole of the bag body and that of the mounting chamber of the mounting seat. 
     
     
         20 . The waterproof bag of  claim 1 , wherein the mounting seat has an open top provided with an outward extending connecting flange attached to the bag body.