Hollow shaft air guide cylinder

Abstract

The utility model discloses a hollow shaft guide gas cylinder, including cylinder, the upper end of cylinder is equipped with cylinder rear end cover, and the end of cylinder is equipped with cylinder front end cover, and the right -hand member of cylinder rear end cover is equipped with air inlet with the right -hand member of cylinder front end cover, two air inlets are all linked with cylinder, still include piston rod and guide pipe, piston rod: its setting is in the inside of cylinder, the piston rod is hollow piston rod, and the outer cam surface upper end fixed connection of piston rod has cylinder piston, and the outer cam surface of cylinder piston is connected with the inner cam surface sliding of cylinder and is located between two air inlets, guide pipe: its setting is in the inside of cylinder rear end cover, the lower extreme of guide pipe is located in the inside of piston rod, this hollow shaft guide gas cylinder, through the combination of hollow piston rod and built -in guide pipe, need not external gas pipe to provide gas for piston rod front end load synchronization, has solved the problem of occupying space of external gas pipe in the prior art.

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