Fragrance atomization and diffusion device convenient for replacing a fragrance liquid container

A fragrance atomization and diffusion device convenient for replacing a fragrance liquid container, comprising a housing (4), an atomization mechanism (5), a bottom cover (1) and a top cover (2) respectively located at two ends of the housing (4) and enclosing a chamber, a bracket (3) fixedly mounted within the chamber, a gas supply assembly (6) and a power supply assembly, the atomization mechanism (5), the gas supply assembly (6) and the power supply assembly each mounted at the bracket (3), characterized in that:

• the bracket (3) is provided along the vertical direction with a mount cavity (31) for mounting the atomization mechanism (5), an end of the mount cavity (31) is closed by the top cover (2), the top cover (2) is provided with a plug port (22) communicated with the mount cavity (31), and the atomization mechanism (5) comprises an atomization head (51) and a liquid storage bottle (52) connected to the atomization head (51);
• the bracket (3) is provided with a positioning mechanism for positioning the atomization mechanism (5), and the positioning mechanism comprises a sliding member (8) for abutting against the atomization mechanism (5) and a positioning assembly (9) for positioning the sliding member (8), wherein the sliding member (8) is mounted slidably along the axial direction of the mount cavity (31) to the bracket (3), and the positioning assembly (9) comprises a door lock switch (91) and a buckle joint (93) that engages or disengages with the door lock switch (91) as the sliding member (8) moves up and down, and when the buckle joint (93) and the door lock switch (91) disengage, the atomization head (51) protrudes out of a mounting port;
• an atomization cavity (511) is provided within the atomization head (51), the upper end of the atomization cavity (511) is provided with a fog hole (512) communicated with the outside of the atomization head (51), the inner wall of the atomization cavity (511) is respectively provided with a gas intake nozzle (514) communicated with the outside of the atomization head (51) and with a liquid intake nozzle (5153) communicated with the liquid storage bottle (52), and when the buckle joint (93) and the door lock switch (91) engage, the gas intake nozzle (514) is communicated with the gas supply assembly (6).