Curve and subside formula oiling filter

The utility model discloses a curve and subside formula oiling filter, its structure includes oil absorption motor, oil pipe installation valve, installation piece, filter tube, observation maintenance lid, filter core, oil -out, inhales oil pipe, solid fixed valve, screw, and the installation chip bonding is on the oil absorption motor, and the oil absorption motor is equipped with the filter tube through the installation piece, and the oil -out welds in the filter tube left side, and the filter tube is equipped with through the screw and observes maintenance lid, the beneficial effect of theutility model, be equipped with and observe maintenance lid, observe maintenance lid and forms by lid, mounting rim, transparent viewing window, can be used to open and keep in repair more renew cartridge through observing maintenance lid, can observe the inside filter core circumstances at any time through transparent viewing window, can find in time that the filter core lost efficacy, improvement operating mass with ra