Liquid storage device for cotton-free electronic cigarette

1. A liquid storage device for a cotton-free electronic cigarette, comprising a liquid storage cup for storing cigarette liquid, and a liquid percolation piece having a plurality of liquid percolation holes;

the liquid storage cup has a cylindrical shape, an inner wall of a liquid outlet end of the liquid storage cup is provided with at least two locking members, the liquid percolation piece has a circular edge which engages with an internal circumferential surface of the liquid outlet end of the liquid storage cup, the liquid percolation piece is inserted into the liquid outlet end of the liquid storage cup and is passed through the at least two locking members to be locked;

wherein a plurality of longitudinally-disposed supporting ribs are inwardly protruded from an inner wall of a liquid storage part of the liquid storage cup, the liquid percolation piece is pressed by the locking members to be locked on a top of the supporting ribs.

2. The liquid storage device according to claim 1 , characterized in that the locking members are a plurality of locking members that are uniformly distributed along a circumference of the inner wall of the liquid outlet end of the liquid storage cup.

3. The liquid storage device according to claim 2 , characterized in that the liquid percolation piece is made of heat resistant plastic, heat resistant fiber, or metal.

4. The liquid storage device according to claim 3 , characterized in that the liquid percolation piece abuts against a filter piece; a heating element of a vaporization assembly is close to the liquid percolation piece and the filter piece.

5. The liquid storage device according to claim 4 , characterized in that a lateral airflow opening that allows for the passage of vaporized cigarette liquid is opened in a wall of the liquid outlet end of the liquid storage cup.