Abstract: A vaporizer includes: a vent tube having a conductive end surface; a vaporization core accommodated in the vent tube, the vaporization core including an end surface electrode; and an elastic conductive member accommodated in the vent tube, the elastic conductive member being arranged between the conductive end surface and the end surface electrode, and abutting against the conductive end surface and the end surface electrode.

Abstract: A vaporizer includes: an electrode column having a first conductive end surface; a vaporization core having a first end surface electrode; and a conductive connector including a body part and at least one elastic arm connected to the body part. The at least one elastic arm elastically abuts against and is electrically connected to one of the first end surface electrode and the first conductive end surface. The body part abuts against and is electrically connected to an other of the first end surface electrode and the first conductive end surface.

Abstract: A vaporizer includes: a base; an electrode column inserted in the base in a longitudinal direction; and an insulating sleeve disposed between the electrode column and the base so as to electrically insulate the electrode column from the base. A side opening is provided in a side wall of the insulating sleeve, the side opening running through an inner side and an outer side of the side wall and through both ends of the insulating sleeve.

Abstract: A vaporizer includes: a shell; a base inserted into a lower end of the shell; a vent tube passing through the shell; a liquid storage cavity formed between an outer wall surface of the vent tube and an inner wall surface of the shell; a vaporization core provided in the vent tube and in communication with the liquid storage cavity in a liquid guide manner; and at least one vent channel communicating the liquid storage cavity with an outside. A lower end of the vent tube is inserted into the base. The at least one vent channel is formed between the base and the shell and/or between the base and the vent tube.

Abstract: A vaporizer includes: a shell; a support arranged in the shell, a liquid storage cavity being defined between the support and the shell; a vaporization assembly arranged on the support for heating and vaporizing an aerosol-forming substrate; and a preheating member, the preheating member having a first end mounted to the support and thermally connected to the vaporization assembly and a second end extending into the liquid storage cavity.

Abstract: A vaporizer for vaporizing an aerosol-forming substrate includes: a vent tube having a first tube section and a second tube section in communication with the first tube section, the first tube section being adjacent to an air outlet of the vaporizer. An inner wall surface of the second tube section forms an expanding channel. The expanding channel gradually expands away from the first tube section.

Abstract: A vaporization assembly includes: a cylindrical vaporization core having a first end and a second end opposite the first end; and at least one sealing ring tightly attached to the first end and/or the second end. A vent structure is arranged on the at least one sealing ring. In an embodiment, the vent structure includes a vent groove formed on a surface attached to the first end and/or the second end of the sealing ring.

Abstract: A vaporizer includes: a liquid storage assembly having a liquid storage cavity and a liquid inlet hole, the liquid storage cavity storing an aerosol-generating substrate; a heating assembly arranged in the liquid storage assembly, the heating assembly being in fluid communication with the liquid storage cavity through the liquid inlet hole; and a preheating member arranged in the liquid storage cavity, the preheating member being located near the liquid inlet hole and preheating the aerosol-generating substrate.

Abstract: A vaporization top base in communication with a liquid storage cavity of a vaporizer includes: a top base body having a top wall and a side wall surrounding the top wall, the top wall and the side wall encircling to form a vaporization cavity that is independent of the liquid storage cavity and provided with an opening on one end; and at least two liquid feeding channels provided on the top wall, each of the at least two liquid feeding channels being in communication between the liquid storage cavity and the vaporization cavity. A first corner that is arranged close to a central axis of the vaporization cavity and a second corner that is arranged away from the central axis of the vaporization cavity are arranged in each of the liquid feeding channels. The first corner is arranged upstream of the second corner in a liquid inlet direction.

Abstract: The disclosure discloses an electronic atomizing device and an atomizer thereof. The atomizer includes an atomizing assembly, and a liquid storage cavity and an aerosol transfer passage respectively communicated with the atomizing assembly; the aerosol transfer passage includes an input passage, an atomizing chamber communicated with the input passage, and an output passage communicated with the atomizing chamber; the atomizing chamber is disposed corresponding to the atomizing assembly. The atomizer further includes a first airflow sensing passage including an outlet end, and the outlet end extends into the output passage. By extending the outlet end of the first airflow sensing passage into the output passage and thereby constructing the airflow sensing passage by utilizing the space of the output passage, the design difficulty of the airflow sensing passage is reduced, the space of the electronic atomizing device is saved, and the cost of the electronic atomizing device is reduced.

Abstract: An electronic cigarette and a power supply device, having a power supply body provided with a receiving portion thereon; the receiving portion has a receiving chamber for accommodating an atomization device and an extending opening for a holder of the atomization device to extend outwards. The receiving chamber is internally provided with a connection assembly comprising a mounting seat for a connection joint to be detachably connected on the atomization device; the mounting seat is rotatably disposed with the atomization device, and the receiving chamber is internally provided with a position-limit mechanism defining a rotation range of the mounting seat. The atomization device and the mounting seat can be rotated to adjust a direction of rotation of the flat cigarette holder on the atomization device after the atomization device is connected to the mounting seat so as to meet different smoking needs of users.

Abstract: An atomizer and an electronic atomization device are disclosed. The atomizer includes: a housing, having an outer wall; and a mouthpiece, having an inner wall, and the inner wall defining a cavity. A plurality of anti-rotation grooves are defined on one of the inner wall and the outer wall, one or more anti-rotation ribs are arranged on the other of the inner wall and the outer wall, and the number of the anti-rotation grooves is greater than or equal to the number of the anti-rotating ribs. The housing is assembled with the cavity, and the one or more anti-rotation ribs are engaged in the corresponding one or more of the plurality of anti-rotation grooves.

Abstract: An electronic cigarette and a power supply device, having a power supply body provided with a receiving portion thereon; the receiving portion has a receiving chamber for accommodating an atomization device and an extending opening for a holder of the atomization device to extend outwards. The receiving chamber is internally provided with a connection assembly comprising a mounting seat for a connection joint to be detachably connected on the atomization device; the mounting seat is rotatably disposed with the atomization device, and the receiving chamber is internally provided with a position-limit mechanism defining a rotation range of the mounting seat. The atomization device and the mounting seat can be rotated to adjust a direction of rotation of the flat cigarette holder on the atomization device after the atomization device is connected to the mounting seat so as to meet different smoking needs of users.