| 摘要 |
PURPOSE: A control valve of a gas torch is provided to prevent the blockage and loosening of a nozzle caused by the breakage of a valve pin. CONSTITUTION: A control valve of a gas torch comprises a body(30) and a valve cylinder(10). The body has an oxygen intake hole(33) and a valve insertion space(31) and is thread-coupled with a nozzle(40) which supplies oxygen to a mixing pipe(50). The valve cylinder comprises a valve pin(14) having a valve head(11) which is inserted in the valve insertion space. The valve insertion space has a conical surface(35) is formed sharp toward the nozzle. The valve cylinder is coupled to the body with a fastening nut(12) and controls the amount of oxygen supplied to the mixing pipe.
|
