Aerosol generating device and aerosol generating system

Abstract

An aerosol generating device and an aerosol generating system. The aerosol generating device comprises a device body and a cover body, wherein the device body is provided with a containing cavity used for containing an aerosol generating matrix, and one side of the containing cavity is open to form an opening; the cover body is provided with a vapor outlet channel and is movably arranged on the device body, the cover body can be in an open state or a closed state, and the cover body is switched between the open state and the closed state by means of movement relative to the device body. In the closed state, the cover body covers the opening, and the vapor outlet channel is communicated with the containing cavity; in the open state, the cover body and the opening are staggered, so that the containing cavity is separated from the vapor outlet channel and communicated with the outside. According to the aerosol generating device, by means switching between two states, the aerosol generating matrix can be conveniently replaced, without disengaging the formed vapor outlet channel structure from the aerosol generating device, and any aerosol generating matrix having no wrapping layer can be used.

Description

An aerosol-generating device and an aerosol-generating system

[0001] Cross-reference of related disclosures

[0002] The present disclosure is based on and claims priority to Chinese Patent Application No. 202410444683.3, filed on April 12, 2024, entitled “An aerosol-generating device and an aerosol-generating system”, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0003] Embodiments of the present disclosure relate to the field of atomization technology, in particular to an aerosol-generating device and an aerosol-generating system. BACKGROUND

[0004] The aerosol-generating system is used to generate aerosol by using an aerosol-generating substrate for a user to inhale.

[0005] The aerosol-generating system includes an aerosol-generating device and an aerosol-generating article including an aerosol-generating substrate. The aerosol-generating article is loaded into the aerosol-generating device, and the aerosol-generating article is heated by a heating element in the aerosol-generating device to generate aerosol from the aerosol-generating substrate in the aerosol-generating article. After the aerosol-generating substrate is exhausted, the aerosol-generating device is reused by replacing the aerosol-generating article.

[0006] In related technologies, a detachable mouthpiece is provided in the aerosol-generating device, and an air outlet passage is provided in the mouthpiece. During operation of the aerosol-generating system, the user sucks the mouthpiece to generate negative pressure in the air outlet passage, and the aerosol enters the user's mouth through the air outlet passage under the action of the negative pressure. In addition, the aerosol-generating article can enter and exit the aerosol-generating device through an opening formed after the aerosol-generating article is detached from the aerosol-generating device via the mouthpiece to achieve the purpose of replacement. After replacement is completed, the mouthpiece is reloaded into the aerosol-generating device.

[0007] Since the mouthpiece needs to be additionally loaded and detached, the operation steps are complicated, and the mouthpiece is prone to be lost, which affects the user experience. In the case where the mouthpiece is not configured, the user cannot achieve the purpose of inhaling the aerosol. SUMMARY

[0008] Therefore, embodiments of the present disclosure aim to provide an aerosol-generating device and an aerosol-generating system that can replace the aerosol-generating substrate without disassembling the structure corresponding to the air outlet passage.

[0009] To achieve the above-mentioned purpose, the technical solution of the embodiments of the present disclosure is as follows:

[0010] The aerosol generating device according to the embodiments of the present disclosure is used for heating an aerosol generating substrate to generate an aerosol, and comprises:

[0011] a device body provided with a receiving cavity for receiving the aerosol generating substrate, the receiving cavity being open on one side to form an opening;

[0012] a cover movably arranged on the device body;

[0013] the cover is provided with an air outlet channel, the cover can be in an open state and a closed state, the cover is switched between the open state and the closed state by relative movement with the device body, and drives the air outlet channel to move relative to the receiving cavity;

[0014] in the closed state, the cover covers the opening, and the air outlet channel communicates with the receiving cavity; in the open state, the cover is misaligned with the opening, and the receiving cavity is separated from the air outlet channel and communicates with the outside.

[0015] In some embodiments, an inner wall of the air outlet channel is provided with a stop rib for abutting against the aerosol generating substrate in the closed state.

[0016] In some embodiments, the cover comprises a mouthpiece and a cover plate, the cover plate is movably arranged with the device body, the mouthpiece is arranged on a side of the cover plate away from the device body and protrudes from a surface of the cover plate in a direction away from the device body, and the air outlet channel passes through the mouthpiece and the cover plate.

[0017] In some embodiments, one of the cover and the device body is provided with a first limiting surface and a second limiting surface, and the other is provided with a limiting piece, in the open state, the limiting piece abuts against the first limiting surface; in the closed state, the limiting piece abuts against the second limiting surface.

[0018] In some embodiments, one of the cover and the device body is provided with a rotating piece, and the other is provided with a rotating hole, part or all of the rotating piece is embedded in the rotating hole, so that the cover and the device body are rotationally connected.

[0019] In some embodiments, the device body is provided with a mounting cavity, the rotating hole is arranged on the device body and communicates with the mounting cavity, the cover comprises a cover plate, the rotating piece protrudes from a side of the cover plate facing the device body, a first limiting protrusion is arranged on an end of the rotating piece away from the cover plate, and part of the rotating piece extends into the mounting cavity through the rotating hole, so that part of the device body is clamped between the cover plate and the first limiting protrusion.

[0020] In some embodiments, one of the cover and the device body is provided with a stop protrusion, and the other is provided with a stop hole extending in the rotation direction of the rotating member, the stop protrusion is embedded in the stop hole and can move along the extension direction of the stop hole, and the stop protrusion can selectively abut against the inner walls on both sides of the stop hole in the rotation direction of the rotating member, so that the cover is in the open state or the closed state.

[0021] In some embodiments, one of the cover and the device body is provided with a sliding member, and the other is provided with a sliding hole extending linearly, the sliding hole is closer to the opening at one end than at the other end in the extension direction, and part or all of the sliding member is embedded in the sliding hole and moves in the extension direction of the sliding hole, and the sliding member can selectively abut against the inner walls on both sides of the sliding hole in the extension direction, so that the cover is in the open state or the closed state.

[0022] In some embodiments, the device body is provided with a mounting cavity, the sliding hole is arranged in the device body and communicates with the mounting cavity, the cover includes a cover plate, the sliding member protrudes from one side of the cover plate toward the device body, a second limiting protrusion is arranged at one end of the sliding member away from the cover plate, and part of the sliding member extends into the mounting cavity through the sliding hole, so that part of the device body is clamped between the cover plate and the second limiting protrusion.

[0023] In some embodiments, the device body includes a shell, a heating member, and a mounting seat, the shell is provided with a mounting cavity, the surface of the shell is provided with a taking-and-placing hole communicating between the outside and the mounting cavity, the heating member and the mounting seat are arranged in the mounting cavity, the heating member is used for heating the aerosol generating substrate, the heating member is provided with a through heating cavity, one end of the heating cavity communicates with the taking-and-placing hole, and the mounting seat covers the other end of the heating cavity, and the inner wall of the heating cavity, the inner wall of the taking-and-placing hole, and the mounting seat jointly form the containing cavity.

[0024] In some embodiments, the surface of the shell is provided with an airflow hole communicating between the outside and the mounting cavity, and the mounting seat is provided with an airflow passage, and the airflow passage communicates the heating cavity and the airflow hole.

[0025] In some embodiments, the aerosol generating device includes an air inlet passage, and in the closed state, the air outlet passage and the air inlet passage respectively communicate the containing cavity and the outside.

[0026] In some embodiments, in the closed state, the communication position of the air outlet passage and the containing cavity and the communication position of the air inlet passage and the containing cavity are respectively located on opposite sides of the containing cavity.

[0027] The aerosol-generating system according to the embodiments of the present disclosure includes the aerosol-generating article and the aerosol-generating device according to any one of the foregoing embodiments, and the aerosol-generating article includes an aerosol-generating substrate, and in the open state, the aerosol-generating article can be taken in and out of the accommodation cavity through the opening.

[0028] The aerosol-generating device according to the embodiments of the present disclosure has the cover body with the open state and the closed state, and the cover body is switched between the two states, so that the replacement of the aerosol-generating substrate is facilitated, and the long-term repeated use of the aerosol-generating device is facilitated. The air outlet passage is located in the cover body, so that in the process of replacing the aerosol-generating substrate, the structure forming the air outlet passage does not need to be separated from the aerosol-generating device, thereby simplifying the operation steps and reducing the risk of losing parts due to disassembling the aerosol-generating device. In addition, in the closed state, the position of the aerosol-generating substrate can be constrained by the inner wall of the accommodation cavity and the cover body, so that the aerosol-generating device according to the embodiments of the present disclosure can be adapted to the aerosol-generating substrate without being wrapped by a wrapping layer, thereby facilitating the reduction of the probability of producing an odor in the process of heating to generate an aerosol and facilitating the improvement of user experience. BRIEF DESCRIPTION OF DRAWINGS

[0029] FIG. 1 is a schematic view of a cover body of an aerosol-generating system in a closed state according to an embodiment of the present disclosure;

[0030] FIG. 2 is a schematic view of the cover body of the aerosol-generating system in an open state according to a first embodiment of the present disclosure;

[0031] FIG. 3 is a schematic view of the cover body of the aerosol-generating system in a closed state according to the first embodiment of the present disclosure;

[0032] FIG. 4 is a schematic view of a cross section at position A-A in FIG. 3;

[0033] FIG. 5 is a schematic view of a partial enlargement at position B in FIG. 4;

[0034] FIG. 6 is a schematic view of an aerosol-generating device according to the first embodiment of the present disclosure;

[0035] FIG. 7 is a schematic view of the cover body according to the first embodiment of the present disclosure;

[0036] FIG. 8 is a schematic view of a cover body of an aerosol-generating system in an open state according to a second embodiment of the present disclosure;

[0037] FIG. 9 is a schematic view of a cross section of the embodiment in FIG. 8, and the cross section is at the same position as that in FIG. 4;

[0038] FIG. 10 is a schematic view of an aerosol-generating device according to the second embodiment of the present disclosure;

[0039] Fig. 11 is a schematic view of the cover body in the second embodiment of the present disclosure;

[0040] Fig. 12 is a partially enlarged schematic view of position C in Fig. 9. DETAILED DESCRIPTION

[0041] It should be noted that the technical features in the embodiments of the present disclosure can be combined with each other without conflict, and the detailed description in the specific embodiments should be understood as an explanation of the purpose of the embodiments of the present disclosure, and should not be regarded as an improper limitation on the embodiments of the present disclosure.

[0042] In the description of the embodiments of the present disclosure, the "top-bottom direction" orientation or positional relationship is based on the orientation or positional relationship shown in Fig. 1, the "rotation direction" orientation or positional relationship is based on the orientation or positional relationship shown in Fig. 6, and the "air flow direction" orientation or positional relationship is based on the orientation or positional relationship shown by the dashed arrows in Figs. 4 and 9. It should be understood that these orientation terms are only for the convenience of describing the embodiments of the present disclosure and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the present disclosure.

[0043] In the related art, an aerosol generating system includes an aerosol generating article and an aerosol generating device. The aerosol generating article includes an aerosol generating substrate and a cladding layer. The cladding layer clads a portion of the outer surface of the aerosol generating substrate to maintain the shape of the aerosol generating substrate. The aerosol generating article is directly inserted into the aerosol generating device to be heated by the aerosol generating device. However, in the process of heating the aerosol generating article, the cladding layer cannot generate an aerosol after being heated, but can generate an odor, thereby affecting the taste of the generated aerosol and the user experience. If the aerosol generating substrate is directly inserted, the aerosol generating substrate is difficult to maintain stable in the aerosol generating device.

[0044] Based on the above problems, the embodiments of the present disclosure provide an aerosol generating device for heating an aerosol generating substrate to generate an aerosol after the aerosol generating substrate is heated.

[0045] Specifically, referring to Figs. 1, 2 and 7, the aerosol generating device 10 includes a device body 11 and a cover body 12.

[0046] The device body 11 is provided with a receiving cavity 11a for receiving the aerosol generating substrate 20. One side of the receiving cavity 11a is open to form an opening 11b.

[0047] The device body 11 is used to achieve the purpose of receiving the aerosol generating substrate 20 and heating the aerosol generating substrate 20 to generate an aerosol.

[0048] It can be understood that the device body 11 is provided with related components for realizing fixation and control of the heated aerosol generating substrate 20. For example, the device body 11 comprises a heating element 112, a circuit board and a battery, the battery is electrically connected with the circuit board and the heating element 112 respectively, the battery is used for supplying power to the circuit board to maintain the realization of the control function of the circuit board, and supplying power to the heating element 112 to enable the heating element 112 to heat the aerosol generating substrate 20, and the circuit board is used for controlling the timing and temperature of the heating element 112 heating the aerosol generating substrate 20.

[0049] The inner wall of the accommodating cavity 11a is used to constrain the position of the aerosol generating substrate, so that the position of the aerosol generating substrate 20 is maintained within a predetermined range during the movement of the aerosol generating device 10, thereby facilitating the heating effect of the aerosol generating substrate 20 to meet the requirements.

[0050] The cover body 12 is provided with an air outlet passage 10b. The air outlet passage 10b is in communication with the outside.

[0051] The cover body 12 is movably arranged on the device body 11, and the cover body 12 can be in an open state and a closed state. The cover body 12 is switched between the open state and the closed state by relative movement with the device body 11, and drives the air outlet passage 10b to move relative to the accommodating cavity 11a. That is to say, the cover body 12 and the device body 11 at least include a first relative position and a second relative position. When the two are in the first relative position, the cover body 12 is in the closed state; when the two are in the second relative position, the cover body 12 is in the open state. Through the movement of the cover body 12 relative to the device body 11, the cover body 12 can be selectively moved to the first relative position or the second relative position.

[0052] It should be noted that the cover body 12 is movably arranged on the device body 11, which means that the cover body 12 moves on the device body 11, that is, the two do not separate from each other during relative movement.

[0053] In the closed state, the cover body 12 covers the opening 11b, and the air outlet passage 10b is in communication with the accommodating cavity 11a. That is, the aerosol generating substrate 20 in the accommodating cavity 11a can be in abutting cooperation with the cover body 12, so that the aerosol generating substrate 20 cannot be separated from the accommodating cavity 11a through the opening 11b, so that the position of the aerosol generating substrate 20 in the aerosol generating device 10 remains stable, and at the same time, the air outlet passage 10b communicates the accommodating cavity 11a with the outside.

[0054] It can be understood that in the closed state, the device body 11 can heat the aerosol generating substrate 20 in the accommodating cavity 11a, so that the generated aerosol can enter the air outlet passage 10b and be discharged to the outside.

[0055] In the open state, the cover 12 is misaligned with the opening 11b, so that the accommodation cavity 11a is in communication with the outside, and the accommodation cavity 11a is separated from the air outlet channel 10b and in communication with the outside. That is, the aerosol generating substrate 20 can be put into the accommodation cavity 11a through the opening 11b, or taken out of the accommodation cavity 11a. The misalignment of the cover 12 with the opening 11b means that, in the projection plane perpendicular to the direction of the opening 11b, the projection of the cover 12 is located outside the projection range of the opening 11b.

[0056] The aerosol generating device 10 in the embodiments of the present disclosure has an open state and a closed state, and the replacement of the aerosol generating substrate 20 is facilitated by switching between the two states, which is conducive to the long-term repeated use of the aerosol generating device 10. The air outlet channel 10b is located in the cover 12, so that the structure forming the air outlet channel 10b does not need to be separated from the aerosol generating device 10 during the replacement of the aerosol generating substrate 20, which simplifies the operation steps and reduces the risk of losing parts due to disassembling the aerosol generating device 10. In addition, in the closed state, the position of the aerosol generating substrate 20 can be constrained by the inner wall of the accommodation cavity 11a and the cover 12, so that the aerosol generating device 10 in the embodiments of the present disclosure can be adapted to the aerosol generating substrate 20 without a wrapping layer, thereby reducing the probability of producing odor during the heating generation of aerosol and improving the user experience.

[0057] In some embodiments, referring to FIGS. 4, 7, 9 and 10, in the closed state, the air outlet channel 10b communicates with the accommodation cavity 11a through the opening 11b. That is, in the closed state, the opening 11b directly communicates with the inlet of the air outlet channel 10b, and the airflow in the accommodation cavity 11a can directly enter the air outlet channel 10b through the opening 11b.

[0058] In this way, the device body 11 does not need to be provided with additional structures to communicate the inlet of the air outlet channel 10b, which is conducive to simplifying the structure of the aerosol generating device 10, reducing the number of parts of the aerosol generating device 10, making the structure of the aerosol generating device 10 more compact, and improving the portability of the aerosol generating device 10.

[0059] The extension direction of the air outlet channel 10b is not limited, and can be curved extension or linear extension, which is selected according to the required resistance of user suction.

[0060] In some embodiments, referring to FIGS. 4 and 9, the air outlet channel 10b extends through the cover 12 in a straight line direction.

[0061] In this way, on the one hand, it is convenient to clean the air outlet channel 10b after long-term use; on the other hand, it is convenient to process and manufacture the air outlet channel 10b.

[0062] The specific way of forming the air outlet passage 10b extending in a straight line direction is not limited, for example, the cover 12 is a plastic part, and the air outlet passage 10b can be formed by directly demolding the corresponding injection mold in a straight line direction.

[0063] It can be understood that the cross-sectional profile of the opening 11b perpendicular to its direction of orientation is not less than any cross-sectional profile size of the aerosol generating substrate 20 perpendicular to the direction of orientation of the opening 11b, so that the aerosol generating substrate 20 can enter and exit the accommodation cavity 11a. Therefore, during the position change of the aerosol generating device 10 during the transfer process and the pushing effect of the airflow during the user's suction process, there is a risk that at least part of the aerosol generating substrate 20 will be pushed out of the accommodation cavity 11a through the opening 11b into the air outlet passage 10b.

[0064] In some embodiments, referring to FIGS. 4, 7, 9, and 10, the inner wall of the air outlet passage 10b is provided with a stop rib 121 for abutting against the aerosol generating substrate 20 in the closed state.

[0065] That is, in the closed state, the stop rib 121 can abut against the aerosol generating substrate 20 in the direction of the airflow, thereby inhibiting the movement of the aerosol generating substrate 20.

[0066] In this way, by means of the stop rib 121, the cross-sectional area of the air outlet passage 10b is made to meet the requirement of airflow flow rate, and the range of movement of the aerosol generating substrate 20 in the direction of the airflow is limited, which is beneficial to keeping the aerosol generating substrate 20 in the region capable of being heated in the accommodation cavity 11a.

[0067] In some embodiments, referring to FIGS. 4 and 9, the stop rib 121 is located at one end of the air outlet passage 10b close to the opening 11b, so as to minimize the range of movement of the aerosol generating substrate 20 as much as possible.

[0068] The specific number of stop ribs 121 is not limited and can be one or more.

[0069] It can be understood that during the user's suction process, the air outlet passage 10b is closer to the user's mouth.

[0070] In some embodiments, referring to FIGS. 1, 7, and 10, the cover 12 comprises a mouthpiece 122 and a cover plate 123, the cover plate 123 is movably coupled to the device body 11, the mouthpiece 122 is arranged on the side of the cover plate 123 away from the device body 11 and protrudes from the surface of the cover plate 123 in a direction away from the device body 11, and the air outlet passage 10b passes through the mouthpiece 122 and the cover plate 123.

[0071] The mouthpiece 122 is used by the user to hold during the process of sucking the aerosol so that the airflow entrains the aerosol into the user's mouth through the air outlet passage 10b.

[0072] The cover plate 123 is movably connected to the device body 11, and the cover plate 123 is moved to switch the cover 12 between the open state and the closed state.

[0073] In this way, the user can generate negative pressure in the aerosol generating device 10 by directly holding the cover 12, so that the aerosol in the accommodation cavity 11a can flow out of the mouthpiece 122 and into the user's respiratory tract, achieving the purpose of the user inhaling the aerosol.

[0074] It can be understood that the outlet of the air outlet passage 10b is located at the end of the mouthpiece 122 away from the cover plate 123.

[0075] In some embodiments, a filter is arranged in the air outlet passage 10b, which is used to filter impurities generated during the heating of the aerosol generating substrate 20, so as to improve the user experience.

[0076] It can be understood that the movement range of the cover 12 relative to the device body needs to be limited, so that the user can determine whether the cover 12 is in the open state or the closed state through the position or force feedback of the cover 12.

[0077] In some embodiments, referring to FIGS. 6, 7, 10 and 11, one of the cover 12 and the device body 11 is provided with a first limiting surface 10c and a second limiting surface 10d, and the other is provided with a limiting piece 124. In the open state, the limiting piece 124 abuts against the first limiting surface 10c; in the closed state, the limiting piece 124 abuts against the second limiting surface 10d.

[0078] That is, during the movement of the cover 12 relative to the device body 11, the limiting piece 124 can move relative to the first limiting surface 10c and the second limiting surface 10d. When the limiting piece 124 moves to abut against the first limiting surface 10c, the cover 12 is in the open state; when the limiting piece 124 moves to abut against the second limiting surface 10d, the cover 12 is in the closed state.

[0079] Thus, the abutment generated by the abutment of the limiting member 124 with the first limiting surface 10c and the second limiting surface 10d respectively, on the one hand, enables the cover body 12 to more accurately reach the positions corresponding to the open state and the closed state respectively, and reduces the probability that the cover body 12 fails to reach the corresponding positions and thus cannot normally heat the aerosol generating substrate 20 and cause the aerosol generating substrate 20 to be ejected from the accommodation cavity 11a; on the other hand, by means of abutment, force feedback can be given to the user, so that the user can better determine that the cover body 12 has reached the positions corresponding to the open state and the closed state, and the user experience is improved.

[0080] It can be understood that the abutment of the limiting member 124 with the first limiting surface 10c and the second limiting surface 10d respectively refers to the abutment in the direction of movement of the cover body 12 relative to the device body 11.

[0081] The movement mode between the cover body 12 and the device body 11 is not limited in particular.

[0082] In some embodiments, the cover body 12 and the device body 11 are rotationally connected.

[0083] The specific mode of realizing rotational connection is not limited.

[0084] For example, referring to FIGS. 4 to 7, one of the cover body 12 and the device body 11 is provided with a rotating member 125, and the other is provided with a rotating hole 11c, and part or all of the rotating member 125 is embedded in the rotating hole 11c, so that the cover body 12 and the device body 11 are rotationally connected.

[0085] The inner wall of the rotating hole 11c restricts the movement direction of the rotating member 125, so as to realize the purpose of rotational connection between the inner wall of the rotating hole 11c and the rotating member 125.

[0086] Thus, the rotating member 125 and the rotating hole 11c realize the rotational connection between the cover body 12 and the device body 11, and the structure is simple, easy to assemble and maintain.

[0087] In some embodiments, the rotating hole 11c is a circular hole, and the rotating member 125 is a cylinder, so as to better adapt to the rotating hole 11c and improve the stability of rotation.

[0088] In the embodiment in which the device body 11 is provided with the rotating hole 11c, referring to FIG. 6, the opening 11b and the rotating hole 11c are located on the same side end surface of the device body 11.

[0089] Thus, it is beneficial to reduce the probability that the cover plate 123 is interfered by other parts of the device body 11 during rotation relative to the device body 11 and thus affects rotation; at the same time, it is also beneficial to reduce the distance between the opening 11b and the rotating hole 11c, and thus beneficial to reduce the size of the cover body 12.

[0090] It can be understood that the opening 11b and the rotating hole 11c are located on the same end surface which is a plane.

[0091] It can be understood that, during the relative rotation of the cover 12 and the device body 11, the probability of separation of the two is reduced.

[0092] For example, referring to FIG. 5, the device body 11 is provided with a mounting cavity 11d, the rotating hole 11c is arranged on the device body 11 and communicates with the mounting cavity 11d, the cover 12 includes a cover plate 123, a rotating piece 125 protrudes from one side of the cover plate 123 towards the device body 11, a first limiting protrusion 126 is arranged at an end of the rotating piece 125 away from the cover plate 123, and a part of the rotating piece 125 extends into the mounting cavity 11d through the rotating hole 11c, so that a part of the device body 11 is clamped between the cover plate 123 and the first limiting protrusion 126.

[0093] The rotating hole 11c is a through hole, so that the rotating piece 125 can pass through the rotating hole 11c.

[0094] The mounting cavity 11d is at least used for accommodating a part of the rotating piece 125 and the first limiting protrusion 126.

[0095] It can be understood that, in the projection plane perpendicular to the penetrating direction of the rotating hole 11c, the projection of the part of the first limiting protrusion 126 and the projection of the cover plate 123 are located outside the projection range of the rotating hole 11c.

[0096] That is, the cover plate 123 can be in first directional stop cooperation with the outer surface of the device body 11 along the penetrating direction of the rotating hole 11c, and the first limiting protrusion 126 can be in second directional stop cooperation with the inner wall of the mounting cavity 11d along the penetrating direction of the rotating hole 11c, and the first direction and the second direction refer to the opposite two directions of the penetrating direction of the rotating hole 11c.

[0097] In this way, by enabling the cover plate 123 and the first limiting protrusion 126 to be in stop cooperation with the device body 11 respectively, the risk of separation of the cover 12 and the device body 11 during the relative rotation is reduced, and the rotation process is kept stable.

[0098] In some embodiments, referring to FIG. 5, the rotating hole 11c extends along a straight line direction, the extension direction of the rotating piece 125 is the same as the extension direction of the rotating hole 11c, and the protruding direction of the first limiting protrusion 126 is perpendicular to the extension direction of the rotating hole 11c, so that the first limiting protrusion 126 can be in stop cooperation with the inner wall of the mounting cavity 11d.

[0099] The specific number of the first limiting protrusions 126 is not limited, and the first limiting protrusions 126 can be one, and the first limiting protrusions 126 are arranged at one end of the rotating member 125; or the first limiting protrusions 126 can be multiple, and the first limiting protrusions 126 are arranged at intervals.

[0100] In some embodiments, referring to FIGS. 6 and 7, one of the cover 12 and the device body 11 is provided with a stop protrusion 127, and the other is provided with a stop hole, the stop hole extends along the rotating direction of the rotating member 125, the stop protrusion 127 is embedded in the stop hole and can move along the extension direction of the stop hole, and the stop protrusion 127 can selectively abut against the inner walls on both sides of the stop hole along the rotating direction of the rotating member 125, so that the cover 12 is in an open state or a closed state.

[0101] The inner walls of the stop hole can limit and guide the movement of the stop protrusion 127 on one hand, so that the stop protrusion 127 can rotate in a predetermined direction; on the other hand, the inner walls on both sides of the stop hole along the rotating direction of the rotating member 125 can stop the stop protrusion 127, limit the rotation angle of the stop protrusion 127, and give force feedback to the user in the state that the stop protrusion 127 abuts against the inner walls on both sides of the stop hole along the rotating direction of the rotating member 125, so that the user can better determine the positions corresponding to the open state and the closed state of the cover 12, and improve the user experience.

[0102] It can be understood that the shape of the stop hole is a circular arc.

[0103] It can be understood that the rotation axis of the stop protrusion 127 is the rotation axis of the rotating member 125.

[0104] The stop hole can be a blind hole or a through hole.

[0105] It can be understood that in the embodiments provided with the first limiting surface 10c and the second limiting surface 10d, the inner wall of one end of the stop hole along the rotating direction of the rotating member 125 forms the first limiting surface 10c, and the inner wall of the other end forms the second limiting surface 10d.

[0106] In some embodiments, referring to FIG. 6, the opening 11b, the rotating hole 11c, and the stop hole are all located on the same side end surface of the device body 11.

[0107] In this way, it is beneficial to reduce the distance between the opening 11b, the stop hole, and the rotating hole 11c, and further beneficial to reduce the size of the cover 12.

[0108] In some embodiments, referring to FIGS. 8-11, one of the cover 12 and the device body 11 is provided with a sliding member 128, and the other is provided with a sliding hole 11f extending linearly, the sliding hole 11f being closer to the opening 11b at one end than at the other end along the extension direction of the sliding hole 11f, and the sliding member 128 is partially or entirely embedded in the sliding hole 11f and moves along the extension direction of the sliding hole 11f, and the sliding member 128 is capable of abutting against the inner walls of the two sides of the sliding hole 11f along the extension direction of the sliding hole 11f to enable the cover 12 to be in the open state or the closed state.

[0109] It can be understood that the side walls of the sliding hole 11f can guide the sliding member 128 to move in a linear direction.

[0110] The sliding hole 11f is closer to the opening 11b at one end than at the other end along the extension direction of the sliding hole 11f, so that the sliding member 128 can move towards the opening 11b or away from the opening 11b during the movement of the sliding member 128 in the sliding hole 11f.

[0111] The sliding member 128 abuts against the inner walls of the two sides of the sliding hole 11f along the linear direction, thereby inhibiting further relative movement between the sliding member 128 and the sliding hole 11f, and inhibiting movement of the cover 12.

[0112] In this way, the sliding member 128 and the sliding hole 11f cooperate to achieve the purpose of switching the cover 12 between the open state and the closed state through the translational movement of the cover 12 relative to the device body 11 in a linear direction; the sliding hole 11f simultaneously achieves the purposes of guiding the movement of the sliding member 128 and restricting the movement range of the sliding member 128, which is conducive to simplifying the structure of the aerosol generating device 10; in the state where the sliding member 128 abuts against the inner walls of the two sides of the sliding hole 11f along the extension direction of the sliding hole 11f, force feedback can be provided to the user, so that the user can better determine the positions of the cover 12 corresponding to the open state and the closed state, thereby improving the user experience.

[0113] It can be understood that, in the embodiments provided with the first limiting surface 10c and the second limiting surface 10d, the inner wall of one end of the sliding hole 11f along the extension direction of the sliding hole 11f forms the first limiting surface 10c, and the inner wall of the other end forms the second limiting surface 10d.

[0114] In some embodiments, referring to FIG. 10, the opening 11b, the sliding hole 11f, and the stop hole are all located on the same side end surface of the device body 11.

[0115] In this way, it is conducive to reducing the distance between the opening 11b, the sliding hole 11f, and the rotating hole 11c, and further conducive to reducing the size of the cover 12.

[0116] In the embodiment where the opening 11b is circular, referring to FIG. 10, the sliding hole 11f extends along the radial direction of the opening 11b, so that the size of the sliding hole 11f can be reduced under the condition that the translational stroke of the cover 12 is required.

[0117] The number of the sliding member 128 and the sliding hole 11f is not limited, and each of them can be one or multiple.

[0118] It can be understood that the sliding member 128 can cooperate with only one sliding hole 11f, or multiple sliding members 128 can be inserted into one sliding hole 11f.

[0119] It can be understood that the relative translational movement between the cover 12 and the device body 11 needs to reduce the probability of separation between them.

[0120] For example, referring to FIG. 11, the device body 11 is provided with a mounting cavity 11d, the sliding hole 11f is arranged in the device body 11 and communicates with the mounting cavity 11d, the cover 12 includes a cover plate 123, the sliding member 128 protrudes from the side of the cover plate 123 facing the device body 11, the end of the sliding member 128 away from the cover plate 123 is provided with a second limiting protrusion 129, and a part of the sliding member 128 extends into the mounting cavity 11d through the sliding hole 11f, so that a part of the device body 11 is clamped between the cover plate 123 and the second limiting protrusion 129.

[0121] That is, the sliding member 128 is arranged on the cover 12, and the sliding hole 11f is arranged on the device body 11, and the sliding hole 11f is a through hole, so that the sliding member 128 can extend into the mounting cavity 11d from the outside of the device body 11 through the sliding hole 11f.

[0122] The mounting cavity 11d is used at least for accommodating a part of the sliding member 128 and the second limiting protrusion 129.

[0123] It can be understood that in the projection plane perpendicular to the penetrating direction of the sliding hole 11f, the projection of the part of the second limiting protrusion 129 and the projection of the cover plate 123 are located outside the projection range of the sliding hole 11f.

[0124] That is, the cover plate 123 can cooperate with the third directional stop between the outer surface of the device body 11 along the penetrating direction of the sliding hole 11f, and the second limiting protrusion 129 can cooperate with the fourth directional stop between the inner wall of the mounting cavity 11d along the penetrating direction of the sliding hole 11f, and the third direction and the fourth direction refer to the opposite two directions of the penetrating direction of the sliding hole 11f.

[0125] In this way, by making the cover plate 123 and the second limiting protrusion 129 stop cooperating with the device body 11 respectively, the risk of the cover 12 and the device body 11 being separated during relative rotation is reduced, and the smooth movement of the cover plate 123 during translation is facilitated.

[0126] The specific number of the second limiting protrusion 129 is not limited, which can be one, and the second limiting protrusion 129 is annularly arranged at one end of the sliding piece 128; or multiple, and each second limiting protrusion 129 is arranged at intervals, for example, the number of the second limiting protrusion 129 is two, and the two second limiting protrusions 129 are located on opposite sides of the sliding piece 128 perpendicular to the through direction of the sliding hole 11f.

[0127] The specific structure of the device body 11 is not limited.

[0128] For example, referring to FIGS. 4, 9 and 12, the device body 11 includes a shell 111, a heating piece 112 and a mounting seat 113, the shell 111 is provided with a mounting cavity 11d, the surface of the shell 111 is provided with a taking and placing hole 111a communicating with the outside and the mounting cavity 11d, the heating piece 112 and the mounting seat 113 are arranged in the mounting cavity 11d, the heating piece 112 is used for heating the aerosol generating substrate 20, the heating piece 112 is provided with a through heating cavity 112a, one end of the heating cavity 112a is communicated with the taking and placing hole 111a, and the mounting seat 113 covers the other end of the heating cavity 112a, and the inner wall of the heating cavity 112a, the inner wall of the taking and placing hole 111a and the mounting seat 113 together form an accommodating cavity 11a.

[0129] It can be understood that the taking and placing hole 111a is a through hole, and the opening communicating with the outside is an opening 11b.

[0130] The mounting cavity 11d in the shell 111 can provide a mounting position for the heating piece 112 and the mounting seat 113, and also has a certain protection effect.

[0131] It can be understood that the inner wall of the mounting cavity 11d and the mounting seat 113 together sandwich the heating piece 112, so that the position of the heating piece 112 is fixed.

[0132] Under the combined constraint of the inner wall of the heating cavity 112a, the inner wall of the taking and placing hole 111a and the mounting seat 113, the aerosol generating substrate 20 realizes the position stability in the accommodating cavity 11a, so that the heating effect of the heating piece 112 on the aerosol generating substrate 20 meets the expectation.

[0133] The aerosol generating substrate 20 passes through the taking and placing hole 111a, enters the heating cavity 112a through the opening at one end of the heating cavity 112a at least partially, and abuts against the mounting seat 113 to reach the preset mounting position of the aerosol generating substrate 20 in the containing cavity 11a.

[0134] The heating cavity 112a directly forms a part of the containing cavity 11a, which is conducive to improving the heating effect of the heating member 112 on the aerosol generating substrate 20.

[0135] The specific way in which the heating member 112 heats the aerosol generating substrate 20 is not limited, such as resistance coil heating, electromagnetic coil heating, etc.

[0136] In some embodiments, referring to FIG. 12, the opening edge of the taking and placing hole 111a close to one end of the mounting cavity 11d is provided with a first stop piece 1111 which protrudes from the inner wall of the mounting cavity 11d along the through direction of the taking and placing hole 111a. The heating member 112 abuts against the first stop piece 1111 perpendicularly to the through direction of the taking and placing hole 111a. In this way, the first stop piece 1111 can limit the position of the heating member 112 in the mounting cavity 11d, so that the position of the heating member 112 in the mounting cavity 11d is stable.

[0137] In some embodiments, referring to FIG. 12, the side surface of the mounting seat 113 facing the taking and placing hole 111a is provided with a second stop piece 1131 which protrudes from the surface of the mounting seat 113 along the through direction of the taking and placing hole 111a. The heating member 112 abuts against the second stop piece 1131 perpendicularly to the through direction of the taking and placing hole 111a. In this way, the second stop piece 1131 can limit the position of the heating member 112 in the mounting cavity 11d, so that the position of the heating member 112 in the mounting cavity 11d is stable.

[0138] In some embodiments, referring to FIG. 12, the surface of the shell 111 is provided with an airflow hole 111b which communicates with the outside and the mounting cavity 11d. The mounting seat 113 is provided with an airflow passage 113a which communicates with the heating cavity 112a and the airflow hole 111b.

[0139] That is, the airflow passage 113a communicates with one end opening of the heating cavity 112a.

[0140] In this way, the airflow from the outside can enter the heating cavity 112a through the airflow hole 111b and the airflow passage 113a, so that the airflow can mix with the aerosol generated by the heating of the aerosol generating substrate 20 in the heating cavity 112a.

[0141] It can be understood that in the embodiments provided with the air inlet passage 10a, the airflow passage 113a and the airflow hole 111b jointly form the air inlet passage 10a of the aerosol generating device 10.

[0142] In some embodiments, referring to FIGS. 4 and 9, the airflow passage 113a extends in a straight line direction to reduce the length of the airflow flow path, while reducing the manufacturing difficulty of the mounting seat 113.

[0143] In some embodiments provided with a mouthpiece, referring to FIGS. 4 and 9, the cover plate 123 and the airflow hole 111b are respectively located on opposite sides of the aerosol generating device 10 to reduce the probability that the user's hand blocks the airflow hole 111b during the process of smoking aerosol.

[0144] In some embodiments, referring to FIGS. 3, 4, 9 and 11, the aerosol generating device 10 includes an air inlet passage 10a, and in the closed state, the air outlet passage 10b and the air inlet passage 10a are respectively in communication with the accommodation cavity 11a and the outside.

[0145] That is, in the closed state, the aerosol generating device 10 can heat the aerosol generating substrate 20, and the air outside the aerosol generating device 10 enters the air inlet passage 10a through the inlet of the air inlet passage 10a, then enters the accommodation cavity 11a, and finally is discharged through the outlet of the air outlet passage 10b.

[0146] In this way, by forming the airflow flow path of the air inlet passage 10a→the accommodation cavity 11a→the air outlet passage 10b, the airflow entering the accommodation cavity 11a can wrap the aerosol and discharge the aerosol generating device 10 for the user to smoke; at the same time, in the closed state, the aerosol generating substrate 20 is not directly exposed to the outside due to the shielding of the inner wall of the accommodation cavity 11a and the cover body 12, which is beneficial to the temperature rise effect of the aerosol generating device 10 during heating, and is beneficial to improve the response speed of the aerosol generating substrate 20 to generate aerosol, and improve the user experience.

[0147] It should be noted that in the open state, the air inlet passage 10a and the accommodation cavity 11a are not limited in the on-off relationship, and can be in communication with the accommodation cavity 11a or disconnected from the accommodation cavity 11a.

[0148] In the closed state, the relative relationship between the communication position of the air outlet passage 10b and the accommodation cavity 11a and the communication position of the air inlet passage 10a and the accommodation cavity 11a is not limited.

[0149] In some embodiments, the communication position of the air outlet passage 10b and the accommodation cavity 11a and the communication position of the air inlet passage 10a and the accommodation cavity 11a are located on the same side of the accommodation cavity 11a along the first direction.

[0150] The first direction refers to any direction. For example, the first direction can be a top-bottom direction, which refers to the direction of gravity when the user holds the aerosol generating device 10.

[0151] Thus, the accommodating cavity 11a only needs to be provided with one opening 11b to realize the communication with the air outlet passage 10b and the air inlet passage 10a, which is conducive to simplifying the structure of the accommodating cavity 11a and reducing the production cost.

[0152] In some embodiments, the communication position of the air outlet passage 10b with the accommodating cavity 11a is located at one side of the accommodating cavity 11a along the first direction, and the communication position of the air inlet passage 10a with the accommodating cavity 11a is located at a side perpendicular to the first direction.

[0153] Thus, it is conducive to prolonging the flow path of the airflow in the accommodating cavity 11a, and further conducive to making the airflow more fully contact with the aerosol generating substrate 20, so as to wrap more aerosols, thereby improving the user's smoking experience.

[0154] In some embodiments, referring to FIG. 4 and FIG. 9, in the closed state, the communication position of the air outlet passage 10b with the accommodating cavity 11a and the communication position of the air inlet passage 10a with the accommodating cavity 11a are located at opposite sides of the accommodating cavity 11a, respectively.

[0155] That is, the communication position of the air outlet passage 10b with the accommodating cavity 11a is located at opposite sides of the accommodating cavity 11a, and the communication position of the air inlet passage 10a with the accommodating cavity 11a is located at the other side.

[0156] Thus, it is conducive to further prolonging the flow path of the airflow in the accommodating cavity 11a, and further conducive to making the airflow more fully contact with the aerosol generating substrate 20, so as to wrap more aerosols, thereby improving the user's smoking experience.

[0157] In some embodiments, the communication position of the air outlet passage 10b with the accommodating cavity 11a and the communication position of the air inlet passage 10a with the accommodating cavity 11a are located at opposite sides of the accommodating cavity 11a along the length direction thereof, respectively.

[0158] The length direction of the accommodating cavity 11a refers to the straight line direction of the dimension with the maximum dimension value in the three-dimensional size of the accommodating cavity 11a.

[0159] Thus, it is conducive to further prolonging the flow path of the airflow in the accommodating cavity 11a, and further conducive to making the airflow more fully contact with the aerosol generating substrate 20 in the process of flowing, so as to wrap more aerosols.

[0160] It can be understood that, in the state that the accommodating cavity 11a is loaded with the aerosol generating substrate 20, the length direction of the accommodating cavity 11a is the same as the length direction of the aerosol generating substrate 20.

[0161] In some embodiments, the length direction of the accommodation cavity 11a is the top-bottom direction. The present disclosure also provides an aerosol-generating system, as shown in FIGS. 2, 4, 9 and 10, which includes the aerosol-generating article 30 and the aerosol-generating device 10 of any of the foregoing embodiments. The aerosol-generating article 30 includes the aerosol-generating substrate 20, and in the open state, the aerosol-generating article 30 can enter and exit the accommodation cavity 11a through the opening 11b.

[0162] In this way, by controlling the movement of the cover 12, the user can replace the aerosol-generating substrate 20 by replacing the aerosol-generating article.

[0163] The aerosol-generating article 30 can include only the aerosol-generating substrate 20, that is, the aerosol-generating substrate 20 is directly placed in the accommodation cavity 11a for heating, so as to reduce the generation of peculiar smell during the heating process; or can further include at least one of a cladding layer, a filter segment, a support segment, and a cooling segment.

[0164] The above merely describes the preferred technical solutions of the embodiments of the present disclosure and is not used to limit the protection scope of the embodiments of the present disclosure. For those skilled in the art, the embodiments of the present disclosure can have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the embodiments of the present disclosure shall be included in the protection scope of the embodiments of the present disclosure.

Claims

1. An aerosol generating device for heating an aerosol generating substrate to generate an aerosol, wherein: The aerosol generating device comprises: The device body is provided with a receiving cavity for receiving the aerosol generating substrate, and at least one side of the receiving cavity is formed with an opening; a cover body, movably disposed on the device body; The cover is provided with an air outlet channel, and the cover can be in an open state and a closed state. The cover switches between the open state and the closed state by relative movement with the device body, and drives the air outlet channel to move relative to the accommodating cavity; In the closed state, the cover body covers the opening, and the air outlet channel is communicated with the accommodating cavity; in the open state, the cover body is staggered from the opening, and the accommodating cavity is separated from the air outlet channel and communicated with the outside.

2. The aerosol generating device according to claim 1, wherein The inner wall of the air outlet channel is provided with a stop rib, and the stop rib is used to resist the aerosol generating substrate in the closed state.

3. The aerosol generating device according to claim 1, wherein The cover body includes a suction nozzle and a cover plate, the cover plate is movably cooperated with the device body, the suction nozzle is arranged on the side of the cover plate away from the device body and protrudes from the surface of the cover plate in the direction away from the device body, and the air outlet channel passes through the suction nozzle and the cover plate.

4. The aerosol generating device according to claim 1, wherein One of the cover and the device body is provided with a first limiting surface and a second limiting surface, and the other is provided with a limiting member. In the open state, the limiting member abuts against the first limiting surface; in the closed state, the limiting member abuts against the second limiting surface.

5. The aerosol generating device according to claim 1, wherein One of the cover and the device body is provided with a rotating member, and the other is provided with a rotating hole. Part or all of the rotating member is embedded in the rotating hole to achieve rotational fit between the cover and the device body.

6. The aerosol generating device according to claim 5, wherein: An installation cavity is provided in the device body, the rotating hole is provided in the device body and is connected to the installation cavity, the cover body includes a cover plate, the rotating member protrudes from the side of the cover plate facing the device body, and a first limiting protrusion is provided at the end of the rotating member away from the cover plate. A part of the rotating member passes through the rotating hole and extends into the installation cavity, so that a part of the device body is clamped between the cover plate and the first limiting protrusion.

7. The aerosol generating device according to claim 5, wherein: One of the cover body and the device body is provided with a stop protrusion, and the other is provided with a stop hole, the stop hole extends along the rotation direction of the rotating part, the stop protrusion is embedded in the stop hole and can move along the extension direction of the stop hole, and the stop protrusion can selectively abut against the inner walls on both sides of the stop hole along the rotation direction of the rotating part to make the cover body in the open state or the closed state.

8. The aerosol generating device according to claim 1, wherein One of the cover body and the device body is provided with a sliding member, and the other is provided with a sliding hole. The sliding hole extends in a straight line, and one end of the sliding hole along its extension direction is closer to the opening than the other end. Part or all of the sliding member is embedded in the sliding hole and moves along the extension direction of the sliding hole. The sliding member can selectively abut against the inner walls on both sides of the sliding hole along its extension direction so that the cover body is in the open state or the closed state.

9. The aerosol generating device according to claim 8, wherein: An installation cavity is provided in the device body, the sliding hole is provided in the device body and is connected to the installation cavity, the cover body includes a cover plate, the sliding member protrudes from the side of the cover plate facing the device body, and a second limiting protrusion is provided at the end of the sliding member away from the cover plate. A part of the sliding member passes through the sliding hole and extends into the installation cavity, so that a part of the device body is clamped between the cover plate and the second limiting protrusion.

10. The aerosol generating device according to claim 1, wherein The device body includes a shell, a heating element and a mounting seat. A mounting cavity is provided in the shell, and a removal hole connecting the outside world with the mounting cavity is provided on the surface of the shell. The heating element and the mounting seat are both provided in the mounting cavity. The heating element is used to heat the aerosol generating matrix. A through heating cavity is provided in the heating element. One end of the heating cavity is connected to the removal hole. The mounting seat cover is provided at the other end of the heating cavity. The inner wall of the heating cavity, the inner wall of the removal hole and the mounting seat are jointly arranged to form the accommodating cavity.

11. The aerosol generating device according to claim 10, wherein: An air flow hole connecting the outside with the installation cavity is provided on the surface of the shell, and an air flow channel is provided in the installation seat, and the air flow channel connects the heating cavity and the air flow hole.

12. The aerosol generating device according to claim 1, wherein: The aerosol generating device comprises an air inlet channel. In the closed state, the air outlet channel and the air inlet channel are respectively connected to the accommodating chamber and the outside.

13. The aerosol generating device according to claim 12, wherein: In the closed state, the communication position between the air outlet channel and the accommodating chamber, and the communication position between the air inlet channel and the accommodating chamber are respectively located on opposite sides of the accommodating chamber.

14. An aerosol generating system, wherein: The aerosol generating system comprises an aerosol generating article and the aerosol generating device according to any one of claims 1 to 13, wherein the aerosol generating article comprises an aerosol generating substrate, and in the open state, the aerosol generating article can enter and exit the receiving cavity through the opening.

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