Filter convenient to replace

The utility model discloses a filter convenient to replace, which belongs to the technical field of filters and comprises a shell, a water inlet pipe and a water outlet pipe are fixedly connected to the upper end and the lower end of the shell respectively, two sliding grooves are formed in the inner surface walls of the two sides of the shell respectively, the core replacing mechanism comprises a movable plate, and the movable plate is connected to the surface of one side of the shell in a sliding mode. Two placing frames are fixedly connected to the surface of one side of the movable plate, sliding strips are fixedly connected to the outer surfaces of the two sides of each placing frame, filter elements and a driving mechanism are movably embedded in the placing frames, the driving mechanism is arranged on the outer surface of one side of the shell, the shell is installed on a water pipeline, and water enters the shell through a water inlet pipe to be filtered and then is discharged through a water outlet p