Water purification device with filter element convenient to replace

The invention discloses a water purification device with a filter element convenient to replace, and belongs to the technical field of water purification devices. The device comprises a diversion box,water outlet pipes are bilaterally symmetrically arranged at the bottom end of the diversion box; a threaded connector is arranged at the bottom end of each water outlet pipe; the threaded connectoris in threaded connection with a filter cartridge; a water valve is arranged on each water outlet pipe; a water inlet is formed in the middle of the top end of the diversion box; a vertical plate is arranged in the middle of the bottom end of the diversion box; the water purification device is provided with two groups of filter cartridges which do not influence each other in the working process; when the filter element of the device is replaced; the device can still keep a working state; when the filter element is replaced, the corresponding water valve is closed firstly, then the filter cartridge is rotated to be take