Water purification bottle

A water purification bottle, comprising an inner bottle body and an outer bottle body, wherein a filter unit is detachably arranged at a bottom end of the inner bottle body;

• a periphery of the inner bottle body is actively matched with an inner perimeter of the outer bottle body;
• when the outer bottle body is filled with a mixture of liquid and solid, only the liquid of the mixture runs through the filter unit, and then flows into the inner bottle body;
• the filter unit comprises a barrel structure;
• the barrel structure further comprises a proximal end and a distal end;
• an outer wall of the distal end is provided with at least two block pieces;
• the bottom end of the inner bottle body is provided with a groove;
• the filter unit is detachably connected at the bottom end of the inner bottle body via the groove and the at least two block pieces;
• a protrusion is arranged on a surface of each of the at least two block pieces;
• two sides of the groove are respectively provided with a left slot, a right slot, and a partition;
• the partition is located between the left slot and the right slot;
• the distal end is inserted into the groove, and the proximal end is rotated clockwise so that the protrusion passes through the left slot and the partition in sequence;
• the protrusion goes through the right slot;
• the water purification bottle further comprises a bottle cap component;
• the bottle cap component comprises a bottle cap body and a flip-up lid;
• the flip-up lid is hinged to the bottle cap body;
• a metal piece or magnetic piece is embedded in the flip-up lid;
• the flip-up lid is attached to the bottle cap body due to a ferromagnetic attraction force when the flip-up lid is turned over.