Highly pressurised liquid quick -operation joint

The utility model discloses a highly pressurised liquid quick -operation joint, including seamless steel pipe, connector and seal, seamless steel pipe's one end end fixing is provided with the connector, the cross -section of connector sets up to the toper, and the less one end fixed connection of its bore is at seamless steel pipe's tip, the seal includes spliced pole and dog, the fixed centre that sets up in dog one side of one end of spliced pole, the other end of spliced pole cup joints the connection in the great one end of the bore of seamless steel pipe's connector, seamless steel pipe's tip cup joints the inboard of connection at the through -hole of connector, a plurality of screw holes have been seted up in the outside of connector, the screw hole is provided with four, adopts the installation method of screw fixation, and the installation is fast, high temperature and high pressure performance reinforcing moreover, through adding the sealing washer, can show and reduce tireddegree, it increases to