CN217826746U - Aerosol generating device - Google Patents

Abstract

An aerosol-generating device is disclosed, comprising a housing; a mouthpiece opening and an air inlet opening for directing an external air flow into the interior of the aerosol-generating device and defining an air flow passage between the air inlet opening and the mouthpiece opening; an airflow sensor for sensing changes in airflow within the airflow channel to generate a sensing signal, the airflow sensor including opposing first and second sides, the first side being in fluid communication with the airflow channel; the first air channel is used for communicating the second side of the air flow sensor with the outside; and an adjustment device, at least a portion of the adjustment device being movable relative to the housing between a first position and a second position; wherein when the adjustment device is in the first position, the first air passageway and the air inlet are both in a closed state. The child lock of the above aerosol-generating device is always in an active state.

Description

Aerosol generating device

Technical Field

Embodiments of the present application relate to the field of aerosol-generating devices, in particular to an atomizer and an aerosol-generating device.

Background

Aerosol-generating devices are generally expected to have the function of a child lock, preventing children from simulating adults using aerosol-generating devices. Referring to chinese utility model CN213756685U, the existing one-piece aerosol generating device prevents children from using it by closing the air inlet of the aerosol generating device. And to disjunctor formula aerosol generation device, when its inside air current inductive switch was close to the air inlet setting, air current inductive switch's base film set up to keep the intercommunication through the ordinary pressure gas pocket with atmospheric pressure, and air current inductive switch's ordinary pressure gas pocket also sets up to being close to the air inlet setting. Further, the airflow sensing switch is usually fixed in a receiving groove inside the aerosol generating device, the normal pressure air hole and the sensing air passage of the airflow sensing switch are both communicated with the receiving groove, and a wire fixing groove or a wire through hole is arranged on one side of the receiving groove, a wire welded on the airflow sensing switch is led out through the wire through hole or the wire fixing groove to be connected with a battery or a control panel on the power module, and the hole diameter of the wire through hole is generally larger than the outer diameter of the wire, so that a gap generally exists in the wire fixing groove or the wire through hole, and the gap is communicated with the normal pressure air hole and the airflow passage inside the aerosol generating device. Thus only controlling the air inlet of the aerosol-generating device to close, when a user applies sufficient suction force, external air flow can enter the interior of the aerosol-generating device through the gap and cause the air flow-sensitive switch to trigger, thereby causing the child-lock to fail.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of failure of a child lock provided on an aerosol-generating device in the prior art, embodiments of the present application provide an aerosol-generating device comprising a housing; a mouthpiece opening and an air inlet opening for directing an external air flow into the interior of the aerosol-generating device and defining an air flow passage between the air inlet opening and the mouthpiece opening; an airflow sensor for sensing changes in airflow within the airflow channel to generate a sensing signal, the airflow sensor including opposing first and second sides, the first side being in fluid communication with the airflow channel; the first air channel is used for communicating the second side of the air flow sensor with the outside; and an adjustment device, at least a portion of the adjustment device being movable relative to the housing between a first position and a second position; wherein when the aerosol-generating device is in a first position, the first air passage and the air inlet are both in a closed state, thereby preventing the air flow sensor from activating to produce a sensing signal; when the adjustment device is in the second position, the first air passage and the air inlet are simultaneously opened, thereby allowing the air flow sensor to be activated.

In some embodiments, the intake cross-sectional area of the intake port is configured to be variable following a change in position of the adjustment device.

In some embodiments, the adjustment device is positionable in a third position between the first position and the second position, and a portion of the first air path and the air inlet is open when the adjustment device is in the third position.

In some embodiments, the adjustment device includes a rotating sleeve coupled to one end of the housing and configured to be rotatable relative to the housing.

In some embodiments, the adjustment device further comprises a sleeve disposed coaxially with the rotating sleeve, at least a portion of the sleeve being disposed inside the rotating sleeve, and the sleeve being fixedly attached to the housing.

In some embodiments, a protrusion or snap feature is provided on one of the rotating sleeve and the sleeve, and a sliding track extending circumferentially along its longitudinal axis is provided on the other of the rotating sleeve and the sleeve, such that the rotating sleeve rotates relative to the sleeve within a limited range of the sliding track.

In some embodiments, the air inlet is disposed on the rotating sleeve, and the sleeve is provided with an air guide port, and the air inlet is configured to be staggered or communicated with the air guide port.

In some embodiments, the sleeve is provided with a receiving cavity for mounting the airflow sensor, the first air passage comprises a first air hole arranged on the rotating sleeve and a second air hole arranged on the sleeve and communicated with the receiving cavity, and the first air hole is communicated with the second air hole or staggered.

In some embodiments, at least a portion of the first air hole and the air inlet are disposed centrally symmetrically about an end surface of the rotary sleeve.

In some embodiments, a shielding element is further disposed between the sleeve and the rotating sleeve, the shielding element configured to form a shield for the air inlet and the first air hole.

In some embodiments, a first air guide window and a second air guide window are provided on the shielding member, the first air guide window and the second air guide window being symmetrically disposed about a central axis thereof.

In some embodiments, the inlet port includes the first gas directing window, the first gas directing window is in communication with the gas directing port, and the inlet port is configured to communicate with or be offset from the first gas directing window.

In some embodiments, the first gas passage includes the second gas directing window, the second gas directing window is in communication with the second gas aperture, and the first gas aperture is configured to communicate with or be offset from the second gas directing window.

In some embodiments, the aerosol-generating device further comprises a bottom cover on which a groove is provided, the adjustment means being provided as a slide switch configured to be slidable within the groove.

In some embodiments, the first air channel includes a third air hole disposed in the groove, a receiving cavity for fixing the air flow sensor is disposed on the bottom cover, and the third air hole is communicated with the receiving cavity.

In some embodiments, the air inlet includes at least one air inlet hole disposed within the recess, and the third air hole is disposed adjacent to the at least one air inlet hole.

In some embodiments, the sliding switch is configured to simultaneously block the third air hole and the air inlet.

In some embodiments, the sliding switch is configured to be sequentially offset from the third air hole and the air inlet.

In some embodiments, the air inlet includes a first air inlet hole and a second air inlet hole which are arranged at intervals, and the first air inlet hole, the second air inlet hole and the third air inlet hole are arranged side by side.

In some embodiments, the slide switch is configured to be sequentially staggered with the third air hole, the first air inlet hole, and the second air inlet hole.

The aerosol generating device has the advantages that the adjusting device is arranged on the aerosol generating device, when the adjusting device is located at the first position, the first air channel and the air inlet are both in the closed state, so that external air cannot enter the aerosol generating device, children cannot open the aerosol generating device even if the children suck the aerosol generating device with force, and the child lock of the aerosol generating device is always in the effective state; when the user desires to use the aerosol-generating device, the adjustment means is adjusted to the second position.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Figure 1 is a cross-sectional view of an aerosol-generating device provided by an embodiment of the present application;

FIG. 2 is an exploded view of an atomizing assembly provided in accordance with an embodiment of the present application;

figure 3 is a cross-sectional view of a further viewing angle of an aerosol-generating device provided by an embodiment of the present application;

figure 4 is an exploded view of an aerosol-generating device provided by an embodiment of the present application;

figure 5 is a perspective view of an aerosol-generating device provided by an embodiment of the present application with a swivel sleeve removed;

FIG. 6 is a perspective view of a cannula provided in accordance with an embodiment of the present application;

FIG. 7 is a perspective view of a swivel sleeve provided in accordance with an embodiment of the present application;

figure 8 is a cross-sectional view of yet another perspective of an aerosol-generating device provided by an embodiment of the present application;

figure 9 is a cross-sectional view of an aerosol-generating device provided by a further embodiment of the present application;

figure 10 is an exploded view of an aerosol-generating device provided by a further embodiment of the present application;

FIG. 11 is a perspective view of an adjustment device provided in accordance with another embodiment of the present application in a first position;

FIG. 12 is a perspective view of an adjustment device provided in accordance with yet another embodiment of the present application in a third position;

FIG. 13 is a perspective view of an adjustment device provided in accordance with yet another embodiment of the present application in a second position.

Detailed Description

To facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and detailed description.

It should be noted that all directional indicators (such as up, down, left, right, front, back, horizontal, vertical, etc.) in the embodiments of the present application are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly, the "connection" may be a direct connection or an indirect connection, and the "setting", and "setting" may be directly or indirectly set.

In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

According to one embodiment of an aerosol-generating device disclosed herein, the aerosol-generating device includes a housing, an atomizing assembly, a battery assembly, an airflow-sensing switch assembly, and other auxiliary support assemblies housed within the housing. Wherein the atomizing assembly is used for atomizing a liquid substrate stored inside the aerosol-generating device to generate an aerosol. The battery assembly is used for providing power supply for the atomization assembly, the airflow inductive switch assembly is connected with the battery assembly through a conducting wire, the aerosol generating device is driven by the airflow inductive switch, the battery in the aerosol generating device is configured to be a lithium ion battery which is approximately cylindrical, when the capacity of the battery is configured to meet the requirement that a user uses the liquid substrate stored in the aerosol generating device, the charging interface of the battery is not configured on the aerosol generating device, and when the capacity of the battery is not enough to meet the requirement that the user uses the liquid substrate stored in the aerosol generating device, the charging interface of the battery is required to be arranged on the aerosol generating device. The aerosol-generating device is configured to be portable, and the lifetime of the aerosol-generating device is configured to expire upon the completion of the use of the liquid substrate inside the aerosol-generating device.

Further, referring to fig. 1 and 2, the housing 10 of the aerosol-generating device comprises a longitudinally opposite suction end and an open end, a portion of the housing 10 adjacent to the suction end is configured as a flat suction nozzle 11, a suction nozzle opening 110 is arranged inside the suction nozzle 11 and runs through in the longitudinal direction thereof, and a user mainly contacts with the suction nozzle 11 during the use of the aerosol-generating device. The atomizing assembly 20 and the battery 16 are mounted in the interior of the housing 10 from the open end of the housing 10, and a bottom cover is provided at the open end of the housing 10 for providing longitudinal support to the battery assembly in addition to covering the open end of the housing 10. A portion of the space of the interior of the housing 10 is configured as a reservoir 12, the reservoir 12 being for storing a liquid substrate. In one example, the reservoir 12 is defined by a reservoir tube 121 fixed in the inner cavity of the housing 10, a reservoir 122 is filled in the inner cavity of the reservoir tube 121, and the reservoir 122 may be defined by cellucotton with a liquid storage capacity.

The atomizing assembly 20 includes an atomizing core assembly and an aerosol-generating device for supporting the atomizing core assembly. The atomizing core assembly includes a heating element 21 for atomizing the liquid substrate to generate an aerosol, and a liquid directing element 22, at least a portion of liquid directing element 22 being coupled to heating element 21, another portion of liquid directing element 22 extending into reservoir chamber 12 or maintaining a fluid passageway with reservoir chamber 12 to provide the liquid substrate within reservoir chamber 12 to heating element 21. For the non-rechargeable aerosol generating device, the atomizing core component of the aerosol generating device is generally a cotton core type atomizing core component with low cost, the liquid guide element 22 is made of fiber cotton material, and the heating element 21 is a spiral heating wire or a heating sheet with a grid structure made of one or more metals of iron, chromium and nickel.

In one example thereof, and with reference to fig. 2, the heating element 21 is configured as a heating sheet having a grid structure, the heating sheet is configured as an unclosed tube-like structure, and the liquid guide member 22 is fixed to the outer periphery of the heating element 21 so as to enclose the heating element 21 in the inner cavity thereof. The atomizing core assembly is placed in the interior cavity of the housing 10 by means of a generally tubular holder 23. The bracket 23 has a cavity with two open ends, two U-shaped openings penetrating to the upper end of the bracket 23 are arranged on the side wall of the bracket 23, the liquid guiding element 22 is generally formed by overlapping a plurality of fiber cotton sheets, two free ends of the fiber cotton sheets are overlapped together to form a protruding structure, and the overlapped fiber cotton sheets are fixed on one of the U-shaped openings 231 on the bracket 23 by means of the protruding structure. A step surface is provided on the inner wall of the bracket 23, the lower end of the liquid guiding element 22 is longitudinally abutted on the step surface of the inner wall, the upper end of the U-shaped opening 231 extends to the opening of the upper end of the bracket 23, and the lower end of the U-shaped opening 231 is flush with the step surface. An inlet opening 232 is also provided in the side wall of the support 23, the inlet opening 232 being disposed within the longitudinal extension of the U-shaped opening 231. An air outlet pipe 24 is sleeved on the upper end of the support 23, one end of the air outlet pipe 24 is abutted against a flange on the outer wall of the support 23, and the other end of the air outlet pipe 24 extends out of the inner cavity of the liquid storage pipe 121. The liquid storage element 122 filled in the liquid storage tube 121 is formed by splicing a plurality of parts of cellucotton, the cellucotton is spliced at the peripheries of the support 23 and the air outlet tube, the protruding structures on the liquid guide element 22 can be in direct contact with the cellucotton to absorb liquid substrates, meanwhile, the liquid substrates can also enter the liquid guide element 22 from the liquid inlet hole in the support 23, and the heating element 21 atomizes the absorbed liquid substrates to generate aerosol.

When the aerosol-generating device reaches a factory state, the reservoir chamber 12 of the aerosol-generating device is typically configured to be unfilled, thereby preventing a user from adding an inferior quality liquid substrate into the reservoir chamber 12. The liquid storage tube 121 comprises a longitudinal opposite near end and a longitudinal opposite far end, the near end of the liquid storage tube is close to the suction nozzle 11, an upper sealing piece 13 and a lower sealing piece 14 are respectively arranged at the near end and the far end of the liquid storage tube 121, the upper sealing sleeve is hermetically connected to the upper end of the liquid storage tube 121, a groove is further formed in the upper sealing piece 13, a liquid suction element 131 is arranged in the groove, the liquid suction element 131 is close to the suction nozzle opening 110 and is made of a fiber cotton material with a capillary action, so that condensate can be absorbed, and the condensate is prevented from entering the suction nozzle opening 110 and being sucked by a user. And a longitudinally through fluid passage is provided in both the liquid absorbing member 131 and the upper seal member 13. In one example, referring to fig. 1 and 2, a hollow air guide pillar 133 is provided on the upper sealing member 13, the air guide pillar 133 is accommodated in the inner cavity of the outlet pipe 24, and the vent holes of the air guide pillar 133 communicate with the outlet pipe 24 and the vent holes of the liquid absorbing element 131. A flange is provided on the side wall of the lower sealing member 14, and the lower end of the reservoir tube 121 abuts against the flange of the lower sealing member 14. In another example, referring to fig. 9, a through hole communicating with the groove is provided on the upper sealing member 13, the upper end of the air outlet pipe 24 is fixed in the through hole of the upper sealing member 13, the air outlet end of the air outlet pipe 24 is provided near the air outlet hole of the liquid guiding member 22, and the through hole of the upper sealing member 13 longitudinally communicates with the air outlet pipe and the air vent hole of the liquid absorbing member 131.

The lower seal 14 is further provided with an air vent 141, and the air vent 141 is configured to introduce an external air flow into the inner cavity of the holder 23. The lower end of the bracket 23 abuts against a stepped surface on the inner wall of the air guide hole 141. Further, a positive electrode 142 and a negative electrode 143 are further fixed to the lower sealing member 14, and conductive pins connected to both ends of the heating element 21 penetrate through the wall of the lower sealing member 14 to be connected to the positive electrode 142 and the negative electrode 143, respectively. In a preferred embodiment, the heating element 21 is configured as a heating plate with a grid structure, the heating plate is configured as an unclosed tubular-like structure, and the conductive leads connected to the two ends of the heating element 21 are kept as long as possible extending on a longitudinally extending line with the two free sides of the heating plate, so that the heating plate is prevented from being displaced due to the pulling action on the two free sides of the heating plate, and the heating effect of the heating plate is prevented from being influenced. A plurality of support legs 144 are provided on the bottom end surface of the lower sealing member 14, and are provided around the air guide hole 141. The feet 144 rest on a fluid absorbing element or power module in the bottom cover 30.

The control part of the air flow sensor 40 inside the aerosol generating device is communicated with the power supply component through a conducting wire, and the aerosol generating device is controlled to be opened and closed by the air pressure change generated by the suction action inside the shell 10 through the air flow sensor 40. The airflow sensor has a first side 42 and a second side 41, the first side 42 is communicated with the airflow channel inside the aerosol generating device, the second side 41 is communicated with the outside atmosphere through the first air passage 50, the airflow channel inside the aerosol generating device is communicated with the mouthpiece 110 and the air inlet 60, when a user generates a suction action, the air pressure in the airflow channel inside the aerosol generating device is reduced, a pressure difference is generated between the second side 41 and the first side 42, and when the pressure difference reaches an activation threshold of the airflow sensor 40, the airflow sensor 40 converts the pressure difference signal into an electrical signal so as to control the battery 16 to provide power drive for the atomizing assembly.

For a one-piece aerosol-generating device, the air inlet 60 of the aerosol-generating device is typically provided at or near the bottom of its bottom cover. When the air flow sensor 40 is also arranged inside the bottom cover of the aerosol-generating device, the first air passage 50 of the air flow sensor is also arranged close to the air inlet 60, in the embodiment provided in the present application, an adjusting device 70 is further arranged on one end of the housing 10, the adjusting device 70 has a child-lock function, the aerosol-generating device can be activated only by adjusting the adjusting device 70 to a set position, further the adjusting device 70 is configured to be movable relative to the housing 10 between a first position and a second position, when the adjusting device 70 is in the first position, the adjusting device 70 is configured to close the first air passage 50 and the air inlet 60 simultaneously, and the aerosol-generating device is in a locked state; when the adjustment device 70 is in the second position, the adjustment device 70 is configured to open the first air passage 50 and the air inlet 60 simultaneously, the aerosol-generating device being in an open state. When the aerosol generating device is not used, the aerosol generating device is in a closed state, the air inlet 60 and the first air passage 50 of the aerosol generating device are both in a closed state, and therefore even if a child performs a simulated suction action, external air flow cannot enter the aerosol generating device through the first air passage 50 or the air inlet 60, and further the first side 42 and the second side 41 of the air flow sensor 40 in the aerosol generating device cannot generate a pressure difference, so that the air flow sensor 40 cannot be triggered, the aerosol generating device cannot generate aerosol, and the aerosol generating device is limited to be used by the child. The adjustment means 70 is configured to act primarily by virtue of a movable switch which may be configured to rotate relative to the housing 10 to effect opening and closing of the aerosol-generating device, or in alternative embodiments, may be configured to slide relative to the housing 10 to effect opening and closing of the aerosol-generating device. The specific structure of the movable switch will be described in detail below in connection with different configurations of aerosol-generating devices.

In one embodiment, where the aerosol-generating device is configured as a cylinder, the adjustment device 70 is configured as a rotary switch. When the aerosol-generating device is arranged in a cylindrical shape, the atomizing element and the power supply element in the aerosol-generating device are arranged in parallel in the vertical direction, and the airflow sensor 40 is provided at the lower end of the battery 16. Referring to fig. 3 to 8, the aerosol generating device includes a rotary sleeve 71 connected to one end of the housing 10, wherein the rotary sleeve 71 can rotate relative to the housing 10, a sleeve 72 is further disposed inside the rotary sleeve 71, the sleeve 72 is disposed coaxially with the rotary sleeve 71, one end of the sleeve 72 is fixedly connected to the housing 10, and the adjusting device 70 includes the rotary sleeve 71 and the sleeve 72, wherein the rotary sleeve 71 rotates relative to the sleeve 72, so as to change the opening and closing states of the air inlet 60 and the first air passage 50. Further, the battery 16 is accommodated in an inner cavity of a sleeve 72, the length of the sleeve 72 is greater than that of the lower housing 10, a sliding rail 711 extending circumferentially is provided on an inner wall of the rotary sleeve 71, a first set of outward turned buckles 721 are provided on the sleeve 72, the first set of buckles 721 are configured to be able to slide on the sliding rail 711, the first set of buckles 721 include a first buckle 7211 and a second buckle 7212 symmetrical about an axial center thereof, and a first sliding rail 7111 and a second sliding rail 7112 symmetrical about a central axis thereof are correspondingly provided on the rotary sleeve 71, wherein the first buckle 7211 slides on the first sliding rail 7111, and the second buckle 7212 slides on the second sliding rail 7112. A second set of catches 722 is provided on the sleeve 72, the second set of catches 722 being in a snap connection with the housing 10 such that the sleeve 72 is fixedly arranged inside the aerosol-generating device, and when the rotary sleeve 71 is rotated in a certain direction, the rotary sleeve 71 rotates relative to the sleeve 72 until the catches on the sleeve 72 abut against the ends of the sliding tracks on the rotary sleeve 71. It will be appreciated that a raised formation may be provided on the inner wall of the swivel sleeve 71 and a slotted groove formation may be provided on the sleeve 72, such that the swivel sleeve 71 is configured to rotate within a limited travel of the slotted groove. When the rotating sleeve 71 is at the first position, the first set of catches 721 on the sleeve 72 are at one end of the sliding track 711, and when the rotating sleeve 71 is at the second position, the first set of catches 721 on the sleeve 72 are at the other end of the sliding track 711. The sleeve 72 is provided with a housing cavity 723, the airflow sensor 40 is fixed in the housing cavity 723, one side of the housing cavity 723 is provided with a wire groove, and a wire connected to a control board of the airflow sensor 40 is led out through the wire groove and further extended to be connected with the battery 16 and the heating element 21.

The air inlet 60 comprises at least one air inlet hole 61 arranged on the bottom end of the rotary sleeve 71 at intervals, an air guide hole 62 is arranged on the bottom end of the sleeve 72, the first air channel 50 comprises a first air hole 51 arranged on the bottom end of the rotary sleeve 71 and a second air hole 52 arranged on the bottom end of the sleeve 72, the second air hole 52 is communicated with the accommodating cavity 723 of the air flow sensor 40, wherein a part of the air inlet hole 61 and the first air hole 51 are symmetrically arranged about the center of the bottom end of the rotary sleeve 71, so that during the rotation of the rotary sleeve 71, the rotation displacement of the air inlet hole 61 relative to the center axis thereof is basically the same as the rotation displacement of the first air hole 51 relative to the center axis thereof, so that the air inlet hole 61 and the first air hole 51 can be simultaneously communicated with or staggered with the air guide hole 62 and the second air hole 52 on the sleeve 72.

Further, when the air inlet hole 61 on the rotary sleeve 71 is offset from the air guide hole 62 on the sleeve 72 and the first air hole 51 on the rotary sleeve 71 is offset from the second air hole 52 on the sleeve 72, in order to seal the air inlet hole 61 and the first air hole 51 on the rotary sleeve 71 and prevent the air flow from entering through the gap between the rotary sleeve 71 and the sleeve 72, a shielding member 73 is further provided between the rotary sleeve 71 and the sleeve 72, and when the air inlet hole 61 on the rotary sleeve 71 is offset from the air guide hole 62 on the sleeve 72 and the first air hole 51 on the rotary sleeve 71 is offset from the second air hole 52 on the sleeve 72, the shielding member 73 is configured as a flexible material, so that the air inlet hole 61 and the first air hole 51 on the rotary sleeve 71 can be sealed and shielded, and the air flow is difficult to enter through the gap therebetween. Meanwhile, a first air guide window 63 and a second air guide window 53 are further provided on the shielding member 73, and the first air guide window 63 and the second air guide window 53 are symmetrically disposed about the center of the shielding member 73. Wherein the first air guide window 63 is always communicated with the air guide port 62 on the sleeve 72, when the rotary sleeve 71 is at the first position, the first air guide window 63 is over against the air inlet hole 61 on the rotary sleeve 71, and the air flow channel inside the aerosol generating device is in longitudinal communication; when the rotary sleeve 71 is in the second position, the first air guide window 63 is completely offset from the air inlet holes 61 in the rotary sleeve 71, and the air flow passage inside the aerosol-generating device is in a closed state. The first air channel 50 comprises a second air guide window 53, the second air guide window 53 is always communicated with the second air hole 52 on the sleeve 72, when the rotary sleeve 71 is at the first position, the second air guide window 53 is over against the first air hole 51 on the rotary sleeve 71, and the first air channel 50 is in longitudinal communication; when the rotary sleeve 71 is at the second position, the second air guide window 53 is completely staggered from the first air hole 51 of the rotary sleeve 71, and the first air passage 50 is in a closed state.

Further, the air intake cross-sectional area of the air inlet 60 of the aerosol-generating device is configured to be adjustable such that the resistance to draw of the aerosol-generating device is configured in an adjustable mode. In one example thereof, the aerosol-generating device is configured in a two-stage draw resistance mode. Referring to fig. 4, two air inlet holes 61, namely a first air inlet hole 611 and a second air inlet hole 612, are provided on the end of the rotary sleeve 71, when the rotary sleeve 71 is in the third position, the first air inlet hole 611 is in longitudinal communication with the first air guide window 63 on the shielding element 73 and the air guide opening 62 on the sleeve 72, the air flow channel is in a communication state, the second air inlet hole 612 is staggered from the first air guide window on the shielding element 73, and the external air flow can only enter the inside of the aerosol generating device through the first air inlet hole 611, at this time, the aerosol generating device is in the first resistance suction mode. When the rotary sleeve 71 is in the second position, the first air inlet hole 611, the second air inlet hole 612 are longitudinally communicated with the first air guide window 63 on the shielding element 73 and the air guide opening 62 on the sleeve 72, and external air flow can enter the inside of the aerosol-generating device through the first air inlet hole 611 and the second air inlet hole 612, at this time, the aerosol-generating device is in the second suction resistance mode, and obviously, the air inlet cross-sectional area defined by the air inlet 60 corresponding to the second suction resistance mode is much larger than the air inlet cross-sectional area defined by the air inlet 60 corresponding to the first suction resistance mode. A user can determine whether the aerosol-generating device is currently in the first or second draw resistance mode by observing the open and closed states of the first air inlet aperture 611 and the second air inlet aperture 612 on the bottom cover. The third position is between the first position and the second position, and when the first latch 7211 and the second latch 7212 are both at the middle position of the track 711, the rotating sleeve 71 corresponds to the third position. And when the rotary sleeve 71 is in the third position, the first air duct 50 is in an open state, that is, the first air hole 51 on the rotary sleeve 71, the second air guide window 53 on the shielding element 73 and the second air hole 52 on the sleeve 72 are in a communicated state, so that the air inlet area of the second air guide window 53 is larger than the air inlet areas of the second air hole 52 and the first air hole 51, and when the rotary sleeve 71 moves from the third position to the second position, the second air hole 52 on the rotary sleeve 71 can be always communicated with the second air guide window 53; the air inlet area of the first air guide window 63 is larger than the air inlet areas of the first air inlet hole 611 and the second air inlet hole 612, so that the first air inlet hole 611 and the second air inlet hole 612 which are arranged on the end surface of the rotary sleeve 71 at intervals can be coincided with the first air guide window 63 simultaneously in the rotating process of the rotary sleeve 71; the air inlet area of the first air guide window 63 may be configured to be the same as the area of the air guide apertures 62 on the sleeve 72 to further enhance the amount of air flow into the interior of the aerosol-generating device. It will be appreciated that the air inlet holes 61 provided in the rotary sleeve 71 may be provided as arcuate air inlets, such that during rotation of the rotary sleeve 71, the area of the arcuate air inlets in the rotary sleeve 71 which coincide with the first air guide windows 63 in the shutter element 73 changes, thereby changing the amount of suction resistance of the aerosol-generating device.

In a further embodiment provided herein, and with reference to figures 9 to 13, the aerosol-generating device is configured in the form of a box with the aerosolising assembly and the power supply assembly located side-by-side within the aerosol-generating device. In a preferred embodiment, the internal cavity of the housing 10 of the aerosol-generating device is divided into two chambers, a reservoir chamber 12 and a battery chamber, the mouthpiece 11 being disposed within the region of the reservoir chamber 12 which extends, the reservoir chamber 12 and the battery chamber being spaced apart by the internal walls of the housing 10. In the case of a box-shaped aerosol-generating device, a bottom cover 30 is provided at one end of the housing 10, and an airflow sensor 40 is fixedly provided in an inner cavity of the bottom cover 30. In particular, and with reference to figures 9 to 10, the box-shaped aerosol-generating device is provided with a relatively large reservoir 12 so that a relatively large volume of liquid substrate can be stored therein, and in a preferred embodiment, a charging interface 31 is provided on the bottom cover 30, the charging interface 31 being secured to a charging plate provided at the lower end of the battery 16. An accommodating cavity is further formed in the inner cavity of the bottom cover 30, and the airflow sensor 40 is fixed on the sealing sleeve 43 to form an airflow sensing assembly which is fixed in the accommodating cavity. Wherein the airflow sensor 40 is disposed closer to the atomizing assembly than in the previous embodiment, and thus a protruding air guide column 431 is disposed at one end of the sealing sleeve 43, one end of the air vent on the air guide column 431 is communicated with the airflow channel inside the aerosol generating device, and the other end of the air vent on the air guide column 431 is communicated with the sensing film of the airflow sensor 40. The regulating device 70 arranged on the aerosol generating device is provided with a sliding switch 75, a groove 32 is arranged on the end face of the bottom cover 30, a strip-shaped opening 33 is arranged in the groove 32, the sliding switch 75 comprises an operating part and a sliding column arranged in a protruding mode, one end of the sliding column is connected to the operating part, the other end of the sliding column is provided with a plug, anti-slip lines are arranged on the outer surface of the operating part, when external force is applied to the operating part, the sliding switch 75 can slide in the groove 32, and the operational moving range of the sliding switch 75 is a stroke limited by the strip-shaped opening 33 of the groove 32. When the slide switch 75 is in the first position, the sliding post of the slide switch 75 is on one side of the bar opening 33, and when the slide switch 75 is in the second position, the sliding post of the slide switch 75 is on the other side of the bar opening.

The air inlet 60 of the aerosol-generating device comprises an air inlet hole 61 arranged on the groove 32, the first air channel 50 of the aerosol-generating device comprises a third air hole 54 arranged on the groove 32, the air inlet hole 61 is used for introducing external air flow into the inner cavity of the bottom cover 30 so as to enter the inside of the aerosol-generating device, and the first air hole 51 is communicated with the accommodating cavity of the air flow sensor 40, so that the basal membrane of the air flow sensor 40 is communicated with the external atmosphere. Wherein the air inlet hole 61 is disposed adjacent to the third air hole 54, when the sliding switch 75 is in the first position, the third air hole 54 and the air inlet hole 61 are both blocked by the sliding switch 75, as shown in fig. 11, so that the air flow channel of the aerosol generating device and the first air channel 50 are both in the closed state, the user can suck with force in time, the external air flow cannot enter the aerosol generating device, the air flow sensor 40 cannot be triggered, and the aerosol generating device is in the child-lock state. When the slide switch 75 is in the second position, the first air aperture 51 is misaligned with the slide switch 75 such that the first air passage 50 of the aerosol-generating device is in an open state, while the air inlet aperture 61 is misaligned with the slide switch 75 such that the air flow passage of the aerosol-generating device is in an open state.

Further, the suction resistance of the aerosol generating device is configured to be adjustable, specifically, two air inlet holes 61 are arranged in the groove 32 at intervals, which are respectively a first air inlet hole 611 and a second air inlet hole 612, the third air hole 54 is arranged at one side of the first air inlet hole 611, the third air hole 54, the first air inlet hole 611 and the second air inlet hole 612 are arranged adjacent to each other in sequence, the slide switch 75 further includes a third position between the first position and the second position, when the slide switch 75 is at the third position, the third air hole 54 is staggered from the slide switch 75, the first air passage 50 is in an open state, the first air inlet hole 611 is staggered from the slide switch 75, the second air inlet hole 612 is shielded by the slide switch 75, the air inlet 60 is in an open state, and the aerosol generating device corresponds to the first suction resistance mode, as shown in fig. 12; when the slide switch 75 is in the second position, the first air hole 51 is staggered from the slide switch 75, the first air duct 50 is in the open state, the first air inlet hole 611 and the second air inlet hole 612 are both staggered from the slide switch 75, the air inlet 60 is in the open state, and the aerosol generating device corresponds to the second resistance suction mode, as shown in fig. 13. It will be apparent that the cross-sectional area of the air inlet 60 defined by the first suction resistance mode of the aerosol-generating device is less than the cross-sectional area of the air inlet 60 defined by the second suction resistance mode. It will be appreciated that if a multi-stage suction resistance mode is additionally provided, the air inlet 60 can be provided as a strip-shaped air inlet or a plurality of air inlet holes 61 can be provided on the groove 32, and the on-off state of the plurality of air inlet holes 61 can be changed by changing the position of the sliding switch 75, so as to adjust the suction resistance of the aerosol generating device.

In the embodiment of the present application, an adjustment device 70 is provided, where the adjustment device 70 can simultaneously control the on/off states of the first air passage 50 and the air inlet 60 of the aerosol-generating device, when the adjustment device 70 is in the first position, both the first air passage 50 and the air inlet 60 are in the off state, and even if a user performs a suction action with force, the first side 42 of the airflow sensor 40 can only sense a slight airflow change inside the aerosol-generating device without the supplement of external airflow, so that the airflow sensor 40 of the aerosol-generating device cannot be triggered. It will be appreciated that if the first air duct 50 is in the open state and a user draws on the aerosol-generating device, external air flow can enter the interior of the aerosol-generating device through the first air duct 50 and the gap between the connecting wires of the air flow sensor 40 and the wire fixing slots or holes thereof, so that sufficient negative pressure is generated in the interior of the aerosol-generating device, and the air flow sensor 40 is triggered to activate the aerosol-generating device, and after the first air duct 50 is closed, external air flow cannot enter the interior of the aerosol-generating device, so that the child lock of the aerosol-generating device cannot be disabled. Further, the adjustment device 70 may be provided with a multi-stage adjustment mode for further adjusting the draw resistance mode of the aerosol-generating device, thereby enhancing the user experience.

It should be noted that the description and drawings of the present application illustrate preferred embodiments of the present application, but are not limited to the embodiments described in the present application, and further, those skilled in the art can make modifications or changes according to the above description, and all such modifications and changes should fall within the scope of the claims appended to the present application.

Claims (20)

1. An aerosol-generating device, comprising:

a housing;

a mouthpiece opening and an air inlet opening for directing an external air flow into the interior of the aerosol-generating device and defining an air flow passage between the air inlet opening and the mouthpiece opening;

an airflow sensor for sensing changes in airflow within the airflow channel to generate a sensing signal, the airflow sensor including opposing first and second sides, the first side being in fluid communication with the airflow channel;

the first air channel is used for communicating the second side of the air flow sensor with the outside; and

an adjustment device, at least a portion of which is movable relative to the housing between a first position and a second position; wherein the regulating device simultaneously closes the first air passage and the air inlet when in the first position, thereby preventing the air flow sensor from activating to generate a sensing signal; the adjustment device simultaneously opens the first air passage and the air inlet when in the second position, thereby allowing the air flow sensor to be activated.

2. An aerosol-generating device according to claim 1, wherein the inlet cross-sectional area of the inlet is configured to vary in response to a change in position of the adjustment means.

3. An aerosol-generating device according to claim 2, wherein the regulating means is configured to be positionable in a third position between the first position and the second position, the first air passageway and a portion of the air inlet being open when the regulating means is in the third position.

4. An aerosol-generating device according to claim 1, wherein the adjustment means comprises a swivel sleeve connected at one end of the housing and configured to be rotatable relative to the housing.

5. An aerosol-generating device according to claim 4, wherein the adjustment device further comprises a sleeve disposed coaxially with the rotating sleeve, at least part of the sleeve being disposed inside the rotating sleeve and the sleeve being fixedly connected to the housing.

6. An aerosol-generating device according to claim 5, wherein a projection or snap-fit arrangement is provided on one of the rotary sleeve and the sleeve, and a sliding track extending circumferentially along its longitudinal axis is provided on the other of the rotary sleeve and the sleeve, such that the rotary sleeve rotates relative to the sleeve within a travel defined by the sliding track.

7. An aerosol-generating device according to claim 5, wherein the air inlet is provided on the rotating sleeve and the sleeve is provided with an air guide opening, the air inlet being arranged to be offset from or in communication with the air guide opening.

8. An aerosol-generating device according to claim 7, wherein a receiving cavity is provided in the sleeve for receiving the airflow sensor, and the first air passage comprises a first air hole provided in the rotating sleeve and a second air hole provided in the sleeve and communicating with the receiving cavity, and the first air hole is arranged to communicate with or be offset from the second air hole.

9. An aerosol-generating device according to claim 8, wherein the first air aperture and at least part of the air inlet are arranged centrally symmetrically about an end face of the rotator sleeve.

10. An aerosol-generating device according to claim 8, wherein a blocking element is further provided between the sleeve and the rotary sleeve, the blocking element being configured to form a barrier to the air inlet and the first air aperture.

11. An aerosol-generating device according to claim 10, wherein a first air conducting window and a second air conducting window are provided on the obstruction element, the first air conducting window and the second air conducting window being symmetrically disposed about a central axis thereof.

12. An aerosol-generating device according to claim 11, wherein the inlet comprises the first air-guide window, the first air-guide window being in communication with the air-guide aperture, and the inlet is arranged in communication with or offset from the first air-guide window.

13. An aerosol-generating device according to claim 11, wherein the first air passage comprises the second air guide window, the second air guide window being in communication with the second air vent, and the first air vent being arranged in communication with or offset from the second air guide window.

14. An aerosol-generating device according to claim 1, further comprising a bottom cover having a recess provided therein, wherein the adjustment means is provided as a slide switch configured to be slidable within the recess.

15. An aerosol-generating device according to claim 14, wherein the first air passage comprises a third air hole disposed in the recess, and a receiving cavity for fixing the air flow sensor is disposed on the bottom cap, and the third air hole is communicated with the receiving cavity.

16. An aerosol-generating device according to claim 15, wherein the air inlet comprises at least one air inlet aperture disposed within the recess, and the third air aperture is disposed adjacent to at least one of the air inlet apertures.

17. An aerosol-generating device according to claim 16, wherein the sliding switch is configured to simultaneously block the third air vent and the air inlet.

18. An aerosol-generating device according to claim 16, wherein the slide switch is arranged so as to be sequentially offset from the third air vent and the air inlet.

19. An aerosol-generating device according to claim 16, wherein the air inlet comprises first and second spaced air inlets, the first and second air inlets being juxtaposed with the third air inlet.

20. An aerosol-generating device according to claim 19, wherein the slide switch is arranged to be sequentially staggered with respect to the third air aperture, the first air inlet aperture and the second air inlet aperture.

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