Pressurized-fluid control mechanism and pressurized-fluid supply device

Abstract

A pressurized-fluid control mechanism for controlling the ejection of a compressed carbonic gas C charged into a gas container vessel ( 3 ), and a Pressurized-Fluid Supply device that makes use of the pressurized-fluid control mechanism, are disclosed. The pressurized-fluid control mechanism is mounted on the gas container vessel filled with the compressed carbonic gas C to control the ejection of the compressed carbonic gas C charged into the gas container vessel. The pressurized-fluid control mechanism includes a sealing plate ( 13 ) that stops up an opening ( 4 ) of the gas container vessel, and an acute pointed member ( 17 ) provided towards its extreme end. A sealing part ( 19 ) progressively reduced in its diameter is formed at an extreme end of the acute pointed member. The pressurized-fluid control mechanism also includes a coil spring ( 23 ) that biases the acute pointed member. The acute pointed member ( 17 ), used in this pressurized-fluid control mechanism, is arranged within the gas container vessel and adapted to be moved back and forth in the gas container vessel to open/close an ejection opening ( 18 ) formed in the sealing plate. The acute pointed member is biased by the coil spring to fit a sealing part into the ejection opening to close the opening.

1 . A pressurized-fluid control mechanism mounted on a pressurized fluid container filled with a pressurized fluid to control ejection of a pressurized fluid charged into said pressurized fluid container; comprising:
 an acute pointed member including a sealing part at a distal end thereof; said sealing member being reduced in diameter from a proximal end thereof towards said distal end; and   a biasing member for biasing said acute pointed member;   said acute pointed member being arranged in the inside of said pressurized fluid container and being moved back and forth in the inside of said pressurized fluid container to open or close an ejection opening for said pressurized fluid provided in said pressurized fluid container; said acute pointed member being biased by said biasing member so that said sealing part is fitted into said ejection opening to close said ejection hole.   
     
     
         2 . The pressurized-fluid control mechanism according to  claim 1 , wherein
 said acute pointed member is supported by a movable member movable by being guided by a movement guide provided on said pressurized fluid container;   there being formed a passageway for said pressurized fluid between said movable member and said movement guide;   there being formed a spacing between a sealing plate and said movable member when said sealing part of said acute pointed member is fitted in said ejection opening to stop said ejection opening; said pressurized fluid charged into said pressurized fluid container flowing into said spacing.   
     
     
         3 . The pressurized-fluid control mechanism according to  claim 1 , wherein
 the distal end of said sealing part is protruded via said ejection opening to outside of said pressurized fluid container when said sealing part is fitted in said ejection opening to stop said ejection opening.   
     
     
         4 . The pressurized-fluid control mechanism according to  claim 1 , wherein
 said acute pointed member is arranged so that the distal end of said sealing part is protruded from said ejection opening; the portion of said acute pointed member protruded from said ejection opening operating as a thrust part.   
     
     
         5 . The pressurized-fluid control mechanism according to  claim 1 , wherein
 said ejection opening is provided in a sealing plate that closes an opening of said pressurized fluid container.   
     
     
         6 . The pressurized-fluid control mechanism according to  claim 5 , wherein
 said sealing plate is formed of synthetic resin; and wherein   said acute pointed member is formed of metal.   
     
     
         7 . A Pressurized-Fluid Supply device comprising:
 a pressurized fluid container filled with a pressurized fluid; and   a pressurized-fluid control mechanism mounted on said pressurized fluid container; said pressurized-fluid control mechanism opening or closing an ejection opening for said pressurized fluid provided in said pressurized fluid container to control the ejection of the pressurized fluid charged in said pressurized fluid container;   said pressurized-fluid control mechanism including   an acute pointed member including a sealing part at a distal end thereof; said sealing part being reduced in diameter from a proximal end thereof towards said distal end; and   a biasing member for biasing said acute pointed member;   said acute pointed member being arranged in the inside of said pressurized fluid container and being moved back and forth in the inside of said pressurized fluid container to open or close an ejection opening for said pressurized fluid provided in said pressurized fluid container; said acute pointed member being biased by said biasing member so that said sealing part is fitted into said ejection opening to close said ejection hole.   
     
     
         8 . The Pressurized-Fluid Supply device according to  claim 7 , wherein
 said acute pointed member is supported by a movable member movable by being guided by a movement guide provided on said pressurized fluid container;   there being formed a passageway for the pressurized fluid between said movable member and said movement guide;   there being formed a spacing between a sealing plate and said movable member when said sealing part of said acute pointed member is fitted in said ejection opening to stop said ejection opening; said pressurized fluid charged in said pressurized fluid container flowing into said spacing.   
     
     
         9 . The Pressurized-Fluid Supply device according to  claim 7 , wherein
 the distal end of said sealing part is protruded via said ejection opening to outside of said pressurized fluid container when said sealing part is fitted in said ejection opening to stop said ejection opening.   
     
     
         10 . The Pressurized-Fluid Supply device according to  claim 7 , wherein
 said acute pointed member is arranged so that the distal end of said sealing part is protruded from said ejection opening; the portion of said acute pointed member protruded from said ejection opening operating as a thrust part.   
     
     
         11 . The Pressurized-Fluid Supply device according to  claim 7 , wherein
 said ejection opening is provided in a sealing plate that closes an opening of said pressurized fluid container.   
     
     
         12 . The Pressurized-Fluid Supply device according to  claim 11 , wherein
 said sealing plate is formed of synthetic resin; and wherein   said acute pointed member is formed of metal.   
     
     
         13 . The Pressurized-Fluid Supply device according to  claim 7 , further comprising:
 an opening/closure actuating mechanism that thrusts said acute pointed member against the biasing force of said biasing member to open or close said ejection opening.