Waterproof pouch

Abstract

The present application belongs to the technical field of cell phone accessories and relates to a waterproof bag for a cell phone, waterproof bag for a cell phone comprising a bag body, an airtight zipper, and a buoyancy enhancement component; wherein the bag body is provided with an opening, the airtight zipper is mounted to the opening, the buoyancy enhancement component is provided on the bag body to provide buoyancy for the waterproof bag for a cell phone, and the buoyancy enhancement component enables the waterproof bag for the cell phone and a medium-sized or large-sized cell phone in the bag to float on the water surface.

What is claimed is: 
     
         1 . A cell phone waterproof bag, including: a bag body ( 1 ), the bag body ( 1 ) is divided into an upper wide part ( 11 ) and a lower narrow part ( 12 ), the width of the lower narrow part ( 12 ) is smaller than the width of the upper wide part ( 11 ); the bag body ( 1 ) is provided with a holding cavity having an opening ( 13 ), the opening ( 13 ) is provided at the upper wide part ( 11 ) along the width direction of the bag body ( 1 ); there are also airtight zippers ( 2 ). The airtight zipper ( 2 ) is installed at the opening ( 13 ) along the width direction of the bag body ( 1 ); further comprising a buoyancy enhancement assembly ( 3 ), the buoyancy enhancement assembly ( 3 ) is a transparent membrane body ( 31 ), the transparent membrane body ( 31 ) is provided on the bag body ( 1 ), the transparent membrane body ( 31 ) is made of a transparent film, and there is at least one sealed transparent air compartment ( 311 ) formed in the transparent membrane body ( 31 ). 
     
     
         2 . The waterproof bag for cell phones according to  claim 1 , wherein the height of each of the transparent air compartments ( 311 ) is 4 mm-20 mm when the number of transparent air compartments ( 311 ) is from 1 to 4. 
     
     
         3 . The waterproof pouch for cell phones according to  claim 1 , wherein the height of each transparent air compartment ( 311 ) is 3 mm-13 mm when the number of transparent air compartments ( 311 ) is from 5 to 8. 
     
     
         4 . The waterproof pouch for cell phones according to  claim 1 , wherein the number of transparent air compartments ( 311 ) is 8 or more, and the height of each transparent air compartment ( 311 ) is 1 mm-10 mm. 
     
     
         5 . The waterproof bag for cell phones according to  claim 1 , the transparent air compartment ( 311 ) has an arch-shaped cross-section along its height direction. 
     
     
         6 . The waterproof bag for cell phones according to  claim 1 , further comprises an auxiliary pulling structure ( 4 ), the auxiliary pulling structure ( 4 ) being provided on the outer wall of the bag body ( 1 ). 
     
     
         7 . The waterproof bag for cell phones according to  claim 6 , the auxiliary pulling structure ( 4 ) is a pull ring ( 41 ), including two pull rings ( 41 ), the two pull rings ( 41 ) are installed on the side of the airtight zipper ( 2 ) of the bag ( 1 ), and the shape of the pull ring is in the shape of “D”. 
     
     
         8 . The waterproof bag for cell phones according to  claim 1 , further comprises a lanyard hanging loop ( 5 ), the lanyard hanging loop ( 5 ) being mounted on the bag body ( 1 ). 
     
     
         9 . A cell phone waterproof bag, including: a bag body ( 1 ), the bag body ( 1 ) is divided into an upper wide part ( 11 ) and a lower narrow part ( 12 ), the width of the lower narrow part ( 12 ) is smaller than the width of the upper wide part ( 11 ); the bag body ( 1 ) is provided with a first holding cavity with an opening ( 13 ), the opening ( 13 ) is provided in the upper wide part ( 11 ) along the width direction of the bag body ( 1 ); there are also airtight zippers ( 2 )), the airtight zipper ( 2 ) is disposed at the opening ( 13 ) along the width direction of the bag body ( 1 ); further comprising a buoyancy-enhancing assembly ( 3 ), the buoyancy-enhancing assembly ( 3 ) being an airbag ( 32 ), the airbag ( 32 ) being disposed at an outer peripheral wall of the bag body ( 1 ), the airbag ( 32 ) comprising an airbag shell ( 321 ) and a buoyancy-enhancing substance ( 322 ), the buoyancy-enhancing substance ( 322 ) being a gas. 
     
     
         10 . The waterproof bag for cell phones according to  claim 9 , further comprises an auxiliary pulling structure ( 4 ), the auxiliary pulling structure ( 4 ) being provided on the outer wall of the bag body ( 1 ). 
     
     
         11 . The waterproof bag for cell phones according to  claim 9 , the airbag shell ( 321 ) comprising an airbag welding surface ( 3211 ), the airbag welding surface ( 3211 ), and the bag body ( 1 ) being fully sealed and welded. 
     
     
         12 . A cell phone waterproof bag, including: bag body ( 1 ), bag body ( 1 ) is divided into the upper wide part ( 11 ) and the lower narrow part ( 12 ), the width of the lower narrow part ( 12 ) is smaller than the width of the upper wide part ( 11 ); the bag body ( 1 ) is provided with a first holding cavity with an opening ( 13 ), the opening ( 13 ) is provided along the width direction of the bag body ( 1 ) in the upper wide part ( 11 ); there are also included in the airtight zipper ( 2 ), the airtight zipper ( 2 ) being disposed at the opening ( 13 ) along the width direction of the bag body ( 1 ); further comprising a buoyancy enhancement assembly ( 3 ), the buoyancy enhancement assembly ( 3 ) being an airbag ( 32 ), the airbag ( 32 ) being disposed at an outer peripheral wall of the bag body ( 1 ), the airbag ( 32 ) comprising an airbag shell ( 321 ) and a buoyancy enhancement material ( 322 ), the buoyancy enhancement material ( 322 ) being a lightweight soft material. 
     
     
         13 . The waterproof bag for cell phones according to  claim 12 , the airbag shell ( 321 ) comprising an airbag welding surface ( 3211 ), the airbag welding surface ( 3211 ), and the bag body ( 1 ) being fully sealed and welded. 
     
     
         14 . The waterproof bag for cell phones according to  claim 12 , the prongs of the airbag shell ( 321 ) on the side backing away from the bag body are all rounded. 
     
     
         15 . The waterproof bag for cell phones according to  claim 12 , the prongs of the airbag shell ( 321 ) on the side back away from the bag body are provided with rounded corners, and the radius of the rounded corners is 3 mm-25 mm. 
     
     
         16 . The waterproof pouch for cell phones according to  claim 12 , the height of the airbag shell ( 321 ) is 6 mm-25 mm. 
     
     
         17 . The waterproof bag for cell phones according to  claim 12 , the airbag shell ( 321 ) has a rectangular cross-section along the length and width direction. 
     
     
         18 . The waterproof bag for cell phones according to  claim 17 , the airbag shell ( 321 ) has a length of 90 mm, a width of 90 mm and a height of 12 mm with a buoyancy of 220 grams, the airbag shell ( 321 ) has a length of 120 mm, a width of 90 mm and a height of 12 mm with a buoyancy of 270 grams, and the airbag shell ( 321 ) has a length of 120 mm, a width of 90 mm and a height of 340 grams of buoyancy at 17 mm. 
     
     
         19 . The waterproof bag for cell phones according to  claim 12 , further comprises an auxiliary pulling structure ( 4 ), the auxiliary pulling structure ( 4 ) being provided on the outer wall of the bag body ( 1 ). 
     
     
         20 . The waterproof bag for cell phones according to  claim 12 , the airtight zipper ( 2 ) and the opening ( 13 ) are set eccentrically along the center axis in the width direction of the lower narrow part ( 12 ) in the direction of the zipper opening, with an eccentric distance of 3 mm to 25 mm, and the puller ( 22 ) will not interfere with the placing or taking out of the cell phone after the eccentric setting.