Patent ID: 9435486
Filing Date: 2016-09-06
CPC Classification: F16K,F17C

Claim Text:
1. A hand-held refillable gas container, including: a metal can body, for storing liquid gas, a gas discharge part located on a top of said can body and a filling nozzle located on a bottom of said can body; said gas discharge part including a connection ring and a discharge nozzle disposed in said connection ring; said filling nozzle including a first valve seat, an interior of said first valve seat being axially formed with a stepped seat hole composed of a top seat hole and a bottom seat hole, and a first thimble being disposed in said stepped seat hole, thereby allowing a lower portion of said first thimble to be protruded out from said bottom seat hole, an inner sleeve being provided in said top seat hole, and a first spring being disposed between said first thimble and a sleeve hole formed in said inner sleeve, thereby allowing said first thimble to axially and elastically retract in said sleeve hole; wherein an outer periphery of said inner sleeve being axially and annularly formed with a plurality of guide slots communicated with said top seat hole, an interior of said first thimble being axially formed with a thimble hole communicating with a bottom of said first thimble, a neck part defined at an upper portion of an outer periphery of said first thimble being radially formed with a neck hole communicating with said thimble hole, and a sealing ring being sleeved with said neck part, said sealing ring being movable between a first position and a second position, when said sealing ring is located in the first position, said neck hole and said bottom seat hole being sealed by said sealing ring and forming an airtight seal, when said sealing ring is located in the second position, said sealing ring is spaced apart from said neck hole and said bottom seat hole; when said hand-held refillable gas container is being filled with said liquid gas, said first thimble being upwardly moved along said inner sleeve so as to compress said first spring, and said sealing ring being upwardly moved with said first thimble and abutted against a bottom of said inner sleeve thereby enabling said neck hole and said bottom seat hole to be respectively opened, so the liquid gas being allowed to enter said sleeve hole through said neck hole and being filled and stored in said can body, and the gas in said can body being allowed to be discharged to an exterior through said bottom seat hole; wherein a top surface of said inner sleeve of said filling nozzle further includes a discharge pipe which is axially extended and communicated with said sleeve hole; said discharge pipe is inserted through a middle filtering material for filtering impurities discharged from said can body; a top cover is located on a top of said first valve seat for covering said middle filtering material and a top of said inner sleeve, and said discharge pipe protrudes outwardly from a cover hole formed in a top of said top cover.