| 摘要 |
A piping welder is provided which performs repairing and replacing operations of an injection nozzle easily by screwing the nozzle to an inlet of a coupling pipe for connecting a nozzle pipe and a body, and can improve the performance of a welder by transferring gas flown into a valve housing hole to the nozzle pipe efficiently. A piping welder comprises: a body part(10) including a cylindrical body(11) having a valve housing hole(12) vertically penetrated therein, a coupling hole(13) perforated at one side thereof and communicated with the valve housing hole, and a gas inflow pipe(14) connected to the bottom thereof, the body part being inserted into a gas container screwed to a lower part of the body; an adjusting part(20) including an adjusting lever(21) screwed to an upper part of the body, an operating member(22) closely inserted into the valve housing hole within the body and elastically supported by springs(23a,23b), and a valve(24) that is connected to a lower part of the valve housing hole and has an operating pin(24a); and a combustion part including a combustion pipe having a combustion port formed on a tip thereof to emit a flame, an ignition switch mounted on the rear of the combustion pipe, a nozzle pipe(33) which is connected to the rear of the combustion pipe and has air suction holes(33a) penetrated into the center thereof, and an injection nozzle(34) installed in the nozzle pipe, wherein a body of the nozzle pipe is screwed to the coupling hole of the body(11).
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