Hydraulic pressure work cylinder body and circuit breaker

The utility model discloses a hydraulic pressure work cylinder body and circuit breaker, it relates to circuit breaker technical field, and the cylinder body includes: along the body that the axis direction extends, set up on the body working piston jar that extends along the axis direction, with working piston oil pocket, energy storage piston jar unit that the working piston jar is linked together, energy storage piston jar unit includes energy storage piston jar and the oil return chamber that is linked together with the energy storage piston jar, seted up on the body first fill can the oilpocket, the second fills can the oil pocket, this internal runner unit of having offered, the runner unit makes: first filling can be linked together with the energy storage piston jar by the oil pocket, and the second fills and to be linked together with the working piston oil pocket by the oil pocket, and the working piston oil pocket is linked together with the energy storage piston jar. Thisapplication can effectivel