a child lock assembly;

a supporting housing, wherein a movable cover is arranged on the supporting housing, and one end of the cover is capable of rotating around the supporting housing;

an e-liquid bin arranged in a cavity of the supporting housing and configured for storing e-liquid, wherein the supporting housing is provided with an e-liquid injection hole for injecting the e-liquid into the e-liquid bin, and the e-liquid injection hole is covered by the cover;

an atomization core arranged in the cavity of the supporting housing and configured for heating and atomizing the e-liquid stored in the e-liquid bin;

a smoke guiding tube having an inlet end communicated with the atomization core and configured for introducing smoke and an outlet end configured for smoking; and

a mouthpiece communicated with the smoke guiding tube, wherein an elastic locking member is arranged between the mouthpiece and the cover, and the mouthpiece, the cover, and the elastic locking member form the child lock assembly;

wherein an upper end of the supporting housing is provided with an accommodating cavity for the cover, the cover is arranged in the accommodating cavity, one end of the cover is movably connected with one end of the supporting housing through a rotating shaft, and the cover is capable of rotating around the rotating shaft;

wherein the e-liquid injection hole is formed in the accommodating cavity and is communicated with the e-liquid bin, a smoke guiding hole is further formed in the accommodating cavity, the smoke guiding hole is communicated with the atomization core, and the smoke guiding tube is communicated with the smoke guiding hole and the mouthpiece;

wherein the elastic locking member comprises a lower positioning sleeve and an upper positioning sleeve matched with the lower positioning sleeve, the lower positioning sleeve is arranged in the smoke guiding hole, an inlet end of the smoke guiding tube is mounted in the upper positioning sleeve, an outlet end of the smoke guiding tube is connected with the mouthpiece by passing through the cover, and the upper positioning sleeve is capable of being clamped with the lower positioning sleeve;

wherein the clastic locking member further comprises a mouthpiece spring and a baffle ring, the mouthpiece spring is sheathed on an outer wall of the smoke guiding tube, and the mouthpiece spring is connected with the mouthpiece through the baffle ring;

wherein the cover is provided with a mouthpiece groove for accommodating the mouthpiece, the mouthpiece is arranged in the mouthpiece groove, and the mouthpiece is capable of rotating in the mouthpiece groove;

when the cover of the atomizer is in a closed state, the mouthpiece when pressed down drives the baffle ring and the mouthpiece spring to move downwardly, and then the mouthpiece spring drives the smoke guiding tube and the upper positioning sleeve to move downwardly, thereby forming an up-and-down dislocation space between the upper positioning sleeve and the lower positioning sleeve; then, the clamping between the upper positioning sleeve and the lower positioning sleeve is released by rotating the mouthpiece to drive the upper positioning sleeve to rotate, and the cover is opened through the rotating shaft, thereby injecting the e-liquid into the e-liquid injection hole.