Gaseous stirring bearing seal of participating in reaction unit in laboratory

The utility model relates to a gaseous stirring bearing seal of participating in reaction unit in laboratory, locate between casing and the pivot, the sleeve has been included respectively, stationaryseal ring and seal moving ring, telescopic bottom and casing fixed connection, the seal moving ring cover is located in the pivot, sealed static ring sleeve locates the upper portion of telescopic vertical lateral wall, and closely laminate with seal moving ring's bottom in the top of stationary seal ring, simultaneously still be equipped with the external screw thread in the lower part of telescopic vertical lateral wall, still screw -thread fit has the the annular clamped dish on telescopic external screw thread, it is equipped with protective barrel still to cover in stationary seal ring and seal moving ring's outside, be connected for dismantling between protective barrel's bottom and the casing, top at protective barrel still is equipped with the cover, still offer the circular section of thick bamboo cover