Atomizing medium assembly and aerosol generating device

Abstract

The embodiment of the invention discloses an atomizing medium assembly and an aerosol generating device.The atomizing medium assembly comprises a shell assembly and a strip-shaped medium, the shell assembly is provided with an inner cavity, an air inlet channel, an air outlet channel and a negative pressure air channel, and the inner cavity comprises a heating area; one end of the air inlet channel and one end of the air outlet channel are respectively communicated with the heating area, one end of the negative pressure air channel is communicated with the air outlet channel or the internal cavity, and the other end is communicated with a negative pressure element of the aerosol generating device; the strip-shaped medium is arranged in the inner cavity and can move to the heating area and be heated to generate aerosol; the inner cavity is communicated with the outside only through the air inlet channel and the air outlet channel. The atomizing medium assembly provided by the embodiment of the invention is beneficial for the aerosol generating device to realize the instant suction function, namely, a user starts the aerosol device through suction.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of atomization, and in particular to an atomization medium assembly and an aerosol-generating device. BACKGROUND

[0002] A heat not burning (HNB) aerosol-generating device is an electronic device that heats but does not burn an aerosol-generating substrate. The aerosol-generating device heats the aerosol-generating substrate by a heating body, so that the aerosol-generating substrate can generate an aerosol but is not sufficient to burn, and can obtain the aerosol required by the user under the premise of not burning, so as to achieve the purpose of harm reduction. In the related art, such an aerosol-generating device is generally provided with a physical switch, and the user starts the aerosol-generating device by the physical switch when using the aerosol-generating device. SUMMARY

[0003] Therefore, the embodiments of the present application provide an atomization medium assembly and an aerosol-generating device, which are aimed at facilitating the aerosol-generating device to realize the function of puffing, that is, the user starts the aerosol-generating device by puffing.

[0004] To achieve the above-mentioned purpose, in a first aspect, the embodiments of the present application provide an atomization medium assembly, comprising:

[0005] A shell assembly has an internal cavity, an air inlet channel, an air outlet channel, and a negative pressure air duct. The internal cavity includes a heating area. One end of the air inlet channel and one end of the air outlet channel are respectively communicated with the heating area. One end of the negative pressure air duct is communicated with the air outlet channel or the internal cavity, and the other end is communicated with a negative pressure element of an aerosol-generating device.

[0006] A strip-shaped medium is arranged in the internal cavity and can be moved to the heating area and heated to generate an aerosol.

[0007] The internal cavity is only communicated with the outside through the air inlet channel and the air outlet channel, respectively.

[0008] In an embodiment, the shell assembly includes a shell having a storage space, a receiving space, and the heating area. The shell assembly further includes a storage disc arranged in the storage space and a receiving disc assembly arranged in the receiving space. The storage disc is used to wind the strip-shaped medium. The strip-shaped medium can be unwound from the storage disc, pass through the heating area, and be wound on the receiving disc assembly.

[0009] In an embodiment, the housing further comprises a driving connection hole in communication with the storage space, the driving connection hole being configured to receive a driving shaft of the aerosol generating device, so that the driving shaft is in driving connection with the storage disc assembly.

[0010] The housing assembly further comprises a first sealing member, which is clamped between the storage disc assembly and a side wall of the storage space located at an outer edge of the driving connection hole.

[0011] In an embodiment, the storage disc assembly comprises a storage disc and a sealing cover, the storage disc has a mounting channel coaxially arranged with the driving connection hole, the mounting channel extends through both ends of the storage disc along an axial direction, one end of the mounting channel is configured to receive the driving shaft, and the sealing cover is arranged in the mounting channel through the other end of the mounting channel and seals the other end of the mounting channel.

[0012] The storage disc assembly further comprises a second sealing member, which is clamped between an outer side wall of the sealing cover and a side wall of the mounting channel.

[0013] In an embodiment, the housing comprises a first shell and a second shell, the first shell and the second shell are sealingly connected and define the storage space, the storage space, and the heating area.

[0014] In an embodiment, the housing further comprises a third sealing member, which is clamped between the first shell and the second shell.

[0015] In an embodiment, the first shell and the second shell are sealingly connected by ultrasonic sealing.

[0016] In an embodiment, an end of the housing assembly protrudes a convex column, at least part of the air outlet channel is arranged on the convex column, and the convex column is configured to be connected with a suction member of the aerosol generating device.

[0017] The housing assembly further comprises a sealing ring, which is clamped between the suction member and the convex column.

[0018] In an embodiment, the negative pressure airway is in communication with the air outlet channel through the internal cavity.

[0019] In an embodiment, the air inlet channel is located on both sides of the housing assembly in the width direction.

[0020] In a second aspect, the embodiments of the present application provide an aerosol generating device, comprising:

[0021] A host, comprising a negative pressure element and a heating assembly.

[0022] The atomization medium assembly according to any one of the above embodiments is detachably arranged on the main machine, the negative pressure air channel is in communication with the negative pressure element, and the heating assembly is used for heating the strip-shaped medium located in the heating area.

[0023] The suction member is connected with the shell assembly and in communication with the air outlet channel.

[0024] In one embodiment, the main machine further comprises a fourth sealing member provided with a sealing channel, and two ends of the fourth sealing member are connected with the negative pressure element and the shell assembly respectively, so that the negative pressure air channel is in communication with the negative pressure element through the sealing channel.

[0025] In one embodiment, the main machine comprises an outer cover and a main shell provided with a mounting area, the heating assembly and the atomization medium assembly are arranged in the mounting area, the outer cover closes the open side of the mounting area, external airflow can enter the mounting area through the gap between the main shell and the outer cover, and an air inlet groove is arranged on the side wall of the mounting area and in communication with the air inlet channel.

[0026] The atomization medium assembly of the embodiments of the present application is used in the aerosol generating device, and the internal cavity is only in communication with the outside through the air inlet channel and the air outlet channel. That is, the external airflow can only enter the internal cavity through the air inlet channel and flow out through the air outlet channel, and the internal cavity is a relatively sealed cavity. During the process of the user inhaling the aerosol, on the one hand, the negative pressure is generated in the internal cavity, and the negative pressure element of the aerosol generating device can sense whether the negative pressure is generated in the internal cavity through the negative pressure air channel, and the start and stop of the aerosol generating device can be controlled based on the generation of the negative pressure, which is conducive to the realization of the instant smoking function of the aerosol generating device; on the other hand, the internal cavity is relatively sealed, which reduces the probability of the aerosol condensate overflowing to the outside of the shell assembly, thereby reducing the probability of the aerosol condensate polluting the main machine of the aerosol generating device, and further, the aerosol generating device is generally used by hand, and after the probability of the aerosol condensate overflowing is reduced, the probability of the aerosol condensate polluting the user is also reduced, thereby improving the user experience.

[0027] In addition, the internal cavity is relatively sealed, which is conducive to the generation of the negative pressure in the internal cavity, and the air outlet channel does not need to be designed as a Venturi tube structure with a sudden reduction in the diameter of the middle section. On the one hand, the structure of the air outlet channel can be simpler and facilitate the molding; on the other hand, the diameter of the air outlet channel is not contracted, and the flow area is larger, so that the flow capacity of the airflow is larger during the process of inhaling the aerosol, and the amount of the aerosol inhaled by the user in each puff is larger. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1A perspective view of an aerosol-generating device according to an embodiment of the present application;

[0029] Figure 2 An exploded view of an aerosol-generating device according to an embodiment of the present application;

[0030] Figure 3 A perspective view of an aerosol-generating device according to an embodiment of the present application;

[0031] Figure 4 A perspective view of Figure 3 A cross-sectional view of the aerosol-generating device according to an embodiment of the present application;

[0032] Figure 5 A perspective view of Figure 4 An enlarged view of the aerosol-generating device according to an embodiment of the present application, wherein the dotted arrows indicate the flow of the airflow inside the atomization medium assembly;

[0033] Figure 6 A perspective view of an atomization medium assembly according to an embodiment of the present application;

[0034] Figure 7 A perspective view of Figure 6 A cross-sectional view of the atomization medium assembly according to an embodiment of the present application;

[0035] Figure 8 A perspective view of Figure 7 An enlarged view of the atomization medium assembly according to an embodiment of the present application;

[0036] Figure 9 An exploded view of an atomization medium assembly according to an embodiment of the present application;

[0037] Figure 10 A perspective view of an atomization medium assembly according to an embodiment of the present application;

[0038] Figure 11 An exploded view of an aerosol-generating device according to an embodiment of the present application, wherein only the atomization medium assembly, the fourth sealing member, the negative pressure element, and the puffing member are shown;

[0039] Figure 12 An assembly view of the main machine and the puffing member of an aerosol-generating device according to an embodiment of the present application.

[0040] BRIEF DESCRIPTION OF THE DRAWINGS

[0041] 100, atomization medium assembly; 110, housing assembly; 110a, internal cavity; 10, housing; 10a, heating area; 10b, storage space; 10c, receiving space; 11, first shell; 111, convex column; 111a, air outlet channel; 111b, mounting groove; 112, shell body; 112d, driving connection hole; 112m, negative pressure airway; 112n, air inlet channel; 12, second shell; 13, third sealing element; 20, first sealing element; 30, sealing ring; 40, storage disc; 50, receiving disc assembly; 51, receiving disc; 51a, mounting channel; 52, sealing cover; 53, second sealing element; 120, strip-shaped medium; 200, main machine; 210, main shell; 210a, mounting area; 210b, air inlet groove; 220, heating assembly; 230, outer cover; 240, negative pressure element; 250, fourth sealing element; 250a, sealing channel; 260, driving shaft; 300, suction element. DETAILED DESCRIPTION

[0042] In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application. The following embodiments are only used to illustrate the technical solutions of the present application more clearly, and therefore only serve as examples, but cannot be used to limit the protection scope of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0043] In the description of the embodiments of the present application, the technical terms “first”, “second”, “third” and the like are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of “plurality” is two or more, unless otherwise explicitly and specifically limited.

[0044] In this document, the phrase “embodiment” means that the specific features, structures or properties described in connection with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment to other embodiments. A person skilled in the art explicitly and implicitly understands that the embodiments described herein can be combined with other embodiments.

[0045] In the description of the embodiments of the present application, the term “and / or” is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can represent the three cases of A alone, A and B together, and B alone. In addition, the character “ / ” in this document generally represents an “or” relationship between the front and rear associated objects.

[0046] In the description of the embodiments of the present application, unless explicitly defined and limited otherwise, the technical terms "mounting", "connecting", "connecting", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0047] In the description of the embodiments of the present application, unless explicitly defined and limited otherwise, the technical term "contact" should be understood in a broad sense, which can be direct contact or contact through an intermediate medium layer, which can be contact between two contacting objects without interaction force, or contact between two contacting objects with interaction force.

[0048] The present application will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0049] Please refer to Figures 1 to 12 , in a first aspect, the present application provides an atomization medium assembly. The atomization medium assembly 100 comprises a shell assembly 110 and a strip-shaped medium 120, the shell assembly 110 has an internal cavity 110a, an air inlet channel 112n, an air outlet channel 111a and a negative pressure air duct 112m, the internal cavity 110a comprises a heating area 10a, one end of the air inlet channel 112n and one end of the air outlet channel 111a are respectively communicated with the heating area 10a, one end of the negative pressure air duct 112m is communicated with the air outlet channel 111a or the internal cavity 110a, and the other end is communicated with the negative pressure element 240 of the aerosol generating device; the strip-shaped medium 120 is arranged in the internal cavity 110a and can be moved to the heating area 10a and heated to generate aerosol; wherein the internal cavity 110a is communicated with the outside only through the air inlet channel 112n and the air outlet channel 111a respectively.

[0050] Please refer to Figures 1 to 12 , in a second aspect, the present application provides an aerosol generating device, which comprises a host 200, a suction member 300 and an atomization medium assembly 100 of any embodiment of the present application. The host 200 comprises a negative pressure element 240 and a heating assembly 220; the atomization medium assembly 100 is detachably arranged on the host 200, and the negative pressure air duct 112m is communicated with the negative pressure element 240, and the heating assembly 220 is used for heating the strip-shaped medium 120 located in the heating area 10a; the suction member 300 is connected with the shell assembly 110 and communicated with the air outlet channel 111a.

[0051] The strip-shaped medium 120 is a flexible long strip structure with a certain width and thickness, but the length can be extended and bent according to actual conditions.

[0052] The surface of the strip-shaped medium 120 is coated or internally infiltrated or embedded with an aerosol generating substrate for generating aerosol, which includes but is not limited to a drug or a nicotine-containing material, and the like.

[0053] Exemplarily, the strip-shaped medium 120 can be a base strip and an aerosol generating substrate alternately coated on the base strip in an interval.

[0054] The base strip can be any strip that can withstand the heating temperature, has a certain flexibility, and can be uncoiled and coiled, such as a paper strip, a polymer strip, a metal base strip, a graphite base strip, etc. The base strip can also be a metal mesh, which can be formed by weaving metal wires or by providing a plurality of through holes on a metal sheet.

[0055] The uncoiling refers to the process of peeling off the base material along the radial direction of the coiled base material, so that the outer layer of the base material and the inner layer of the base material are peeled off. The coiling refers to a method of coiling a continuous product by using a reel, a spool, etc.

[0056] The internal cavity 110a includes a heating area 10a, and the strip-shaped medium 120 is arranged in the internal cavity 110a. That is, the strip-shaped medium 120 is not entirely arranged in the heating area 10a, but can be partially arranged in the heating area 10a and partially arranged in other spaces of the internal cavity 110a except the heating area 10a.

[0057] Part of the strip-shaped medium 120 can move into the heating area 10a and be heated to generate aerosol. That is, the strip-shaped medium 120 can continuously pass through the heating area 10a, and the aerosol generating substrate on the part of the strip-shaped medium 120 currently in the heating area 10a can generate aerosol. It can be understood that when the entire strip-shaped medium 120 passes through the heating area 10a, it means that the strip-shaped medium 120 has been used up.

[0058] The shell assembly 110 can store and accommodate the strip-shaped medium 120, that is, the unused strip-shaped medium 120 is stored in the shell assembly 110, and in the process of using the atomization medium assembly 100, the unused strip-shaped medium 120 is sequentially passed through the heating area 10a and heated for use, and the used strip-shaped medium 120 is still accommodated in the shell assembly 110, thereby preventing the residue of the used strip-shaped medium from falling into the aerosol generating device and polluting the aerosol generating device.

[0059] The external airflow can enter the internal cavity 110a through the air inlet passage 112n and flow into the heating area 10a, so as to entrain the aerosol generated in the heating area 10a to flow out through the air outlet passage 111a for the user to use.

[0060] The shape of the air outlet passage 111a is not limited. For example, as shown in Figure 4 、 Figure 5 and Figure 7 , in some embodiments, the air outlet passage 111a can be columnar. That is, the caliber of the air outlet passage 111a remains unchanged along the axial direction of the air outlet passage 111a.

[0061] The type of the suction member 300 is not limited. For example, it can be a suction mouthpiece, which can be held in the mouth of the user, so as to facilitate the user to suck the aerosol.

[0062] The type of the negative pressure element 240 is not limited. For example, it can be a negative pressure sensor or other components capable of detecting air pressure.

[0063] One end of the negative pressure airway 112m is communicated with the air outlet passage 111a or the internal cavity 110a. That is, the negative pressure airway 112m can be directly communicated with the air outlet passage 111a, or indirectly communicated with the air outlet passage 111a.

[0064] Wherein, the direct communication of the negative pressure airway 112m with the air outlet passage 111a means that the communication port of the negative pressure airway 112m with the air outlet passage 111a is located on the side wall of the air outlet passage 111a; the indirect communication of the negative pressure airway 112m with the air outlet passage 111a means that the negative pressure airway 112m is communicated with the air outlet passage 111a through other spaces, that is, the negative pressure airway 112m is located in the region outside the air outlet path of the aerosol generating device.

[0065] It should be noted that the air outlet path of the aerosol generating device is the path through which the aerosol sequentially passes the heating area 10a, the air outlet passage 111a and the suction member 300 and flows into the oral cavity of the user.

[0066] The internal cavity 110a is only communicated with the outside through the air inlet passage 112n and the air outlet passage 111a, respectively. That is, after the atomization medium assembly 100 is used in the aerosol generating device, since one end of the negative pressure airway 112m is communicated with the negative pressure element 240, that is, the negative pressure airway 112m will not be communicated with the outside. During the process of the user sucking the aerosol through the suction member 300, the air outlet passage 111a is communicated with the oral cavity of the user, and the external airflow can only enter the internal cavity 110a through the air inlet passage 112n and flow out through the air outlet passage 111a after entraining the aerosol generated in the heating area 10a.

[0067] It can be understood that the internal cavity 110a is substantially a sealed cavity, and in the process of the user sucking the aerosol, the external airflow can only enter the internal cavity 110a through the air inlet channel 112n, so that the negative pressure can be generated in the internal cavity 110a, and the negative pressure element 240 is a component that can detect air pressure, that is, the negative pressure element 240 can sense whether the negative pressure is generated in the internal cavity 110a through the negative pressure air channel 112m, and the start and stop of the aerosol generating device can be controlled based on the negative pressure generation condition.

[0068] It can be understood that under the same suction condition, the size of the negative pressure generated in the internal cavity 110a can be adjusted by adjusting the caliber size of the air inlet channel 112n.

[0069] It should be noted that since the internal cavity 110a is substantially a sealed cavity, the atomization medium assembly 100 of the embodiment of the present application is suitable for a non-contact heating aerosol generating device.

[0070] Non-contact heating refers to a heating mode in which the heating assembly 220 and the strip-shaped medium 120 are not in direct contact, so as to heat the strip-shaped medium 120. Specifically, in some embodiments, the heating assembly 220 can include at least one of a magnetic core module, an infrared module, and a microwave module. In this way, the heating assembly 220 can heat the strip-shaped medium 120 in a magnetic core heating, infrared heating, or microwave heating manner. In other embodiments, ultrasonic atomization can also be used.

[0071] In the related art, in order to be suitable for a contact heating aerosol generating device, the contact heating, that is, the heating assembly needs to be in contact with the strip-shaped medium to heat the strip-shaped medium. That is, the heating assembly needs to be inserted into the internal cavity. Therefore, the internal cavity of the atomization medium assembly is generally designed in an open type, so that it is difficult to generate negative pressure in the internal cavity, and it is not convenient for the aerosol generating device to realize the function of puffing.

[0072] It should be noted that the technical solutions provided in the above related art are intended to provide a background or context for the embodiments of the present application. The description herein is not admitted to be prior art merely because it is included in this section.

[0073] The aerosol generating device is used, on one hand, the internal cavity 110a is convenient for generating negative pressure, and the negative pressure element 240 of the aerosol generating device can sense whether the negative pressure is generated in the internal cavity 110a through the negative pressure air channel 112m, and the aerosol generating device can be controlled to start or stop based on the negative pressure generation, which is beneficial to realize the function of the aerosol generating device that the device is started and stopped immediately. On the other hand, the internal cavity 110a is relatively sealed, which reduces the probability of the aerosol condensate overflowing to the outside of the shell assembly 110, and further reduces the probability of the aerosol condensate polluting the main machine 200 of the aerosol generating device. Furthermore, the aerosol generating device is generally handheld, and after the probability of the aerosol condensate overflowing is reduced, the probability of the aerosol condensate polluting the user is also reduced, thereby improving the experience of the user.

[0074] In addition, the internal cavity 110a is relatively sealed, which is convenient for generating negative pressure in the internal cavity 110a, and the outlet air channel 111a does not need to be designed as a Venturi tube structure with a sudden reduction in the caliber of the middle section. On one hand, the structure of the outlet air channel 111a can be simpler and convenient for molding. On the other hand, the caliber of the outlet air channel 111a is not contracted, and the flow area is larger. In the process of sucking the aerosol, the flow capacity of the airflow is larger, and the amount of the aerosol sucked by the user in each puff is more.

[0075] The atomization medium assembly 100 is detachably arranged on the main machine 200. In this way, after the strip-shaped medium 120 in the atomization medium assembly 100 is used up, the atomization medium assembly 100 can be detached, so that a new atomization medium assembly 100 is replaced. Of course, when the atomization medium assembly 100 itself can replace the strip-shaped medium 120, the atomization medium assembly 100 can be first detached from the main machine 200, the atomization medium assembly 100 is replaced with a new strip-shaped medium 120, and then the atomization medium assembly 100 is installed on the main machine 200. In this way, the shell assembly 110 can be reused, thereby reducing the use cost of the user.

[0076] Please refer to Figures 3 to 9 In an embodiment, the shell assembly 110 includes a shell 10 with a storage space 10b, a receiving space 10c and a heating area 10a. The shell assembly 110 further includes a storage disc 40 arranged in the storage space 10b and a receiving disc assembly 50 arranged in the receiving space 10c. The storage disc 40 is used to wind the strip-shaped medium 120. The strip-shaped medium 120 can be unwound from the storage disc 40, pass through the heating area 10a and be wound on the receiving disc assembly 50.

[0077] It can be understood that in this embodiment, the internal cavity 110a is defined by the housing 10, the storage disc 40 and the storage disc assembly 50. The internal cavity 110a includes a heating area 10a, a part of the storage space 10b and a part of the storage space 10c. That is, it includes a part of the storage space 10b not occupied by the storage disc 40 and a part of the storage space 10c not occupied by the storage disc assembly 50.

[0078] Further, the air inlet channel 112n, the air outlet channel 111a and the negative pressure air duct 112m are arranged on the housing 10.

[0079] The storage space 10b and the storage space 10c can be separately arranged. That is, by arranging the unused tape medium 120 and the used tape medium 120 in two separate spaces respectively, the cross-contamination of the unused tape medium 120 and the used tape medium 120 can be improved to some extent, and in addition, the debris generated by the used tape medium 120 can be prevented from sticking to the unused tape medium 120, so that the generation of burnt smell and other odors can also be avoided to some extent.

[0080] By arranging the storage disc 40, the storage disc 40 can be rotated to facilitate unwinding the tape medium 120 from the storage disc 40, reducing the friction between the tape medium 120 and the housing 10 during unwinding.

[0081] By arranging the storage disc assembly 50, the storage disc assembly 50 can be rotated to facilitate winding the tape medium 120 onto the storage disc assembly 50, reducing the friction between the tape medium 120 and the housing 10 during winding.

[0082] In the related art, the aerosol generating substrate strip will deform and harden after being atomized by the heating assembly, and the related art aerosol generating device does not have a structure specially used to store the used aerosol generating substrate strip, which can further cause the used aerosol generating substrate strip to produce debris.

[0083] The atomization medium assembly 100 provided by the embodiment can reduce the generation of debris to a certain extent, and can further reduce the possibility of debris entering the storage space 10b and sticking to the unused strip-shaped medium 120 by separating the storage space 10b and the storage space 10c. In addition, by arranging the storage disc assembly 50 in the storage space 10c for winding the used strip-shaped medium 120, the generation of debris can be further reduced by winding the used strip-shaped medium 120 into a roll. At the same time, by arranging the storage space 10b in the shell 10 for storing the unused strip-shaped medium 120, the unused strip-shaped medium 120 can be protected, and the user's experience is better.

[0084] Please refer to Figure 2 , Figure 7 , Figure 8 , Figure 10 and Figure 11 In an embodiment, the shell 10 further comprises a driving connection hole 112d in communication with the storage space 10c, the driving connection hole 112d is used for penetrating the driving shaft 260 of the aerosol generating device, so that the driving shaft 260 can be drivingly connected with the storage disc assembly 50; the shell assembly 110 further comprises a first sealing member 20, the first sealing member 20 is clamped between the storage disc assembly 50 and the side wall of the storage space 10c located at the outer edge of the driving connection hole 112d.

[0085] Please refer to Figure 2 , Figures 6 to 8 The host 200 comprises a driving shaft 260, the driving shaft 260 is arranged in the mounting area 210a, the driving shaft 260 penetrates the driving connection hole 112d and is drivingly connected with the storage disc assembly 50, the driving shaft 260 rotates to drive the storage disc assembly 50 to rotate, through the rotation of the storage disc assembly 50, the used strip-shaped medium 120 can be wound on the storage disc assembly 50, and at the same time, the storage disc 40 is driven to rotate with the storage disc assembly 50, so that the strip-shaped medium 120 stored on the storage disc 40 is unwound.

[0086] The driving connection hole 112d can facilitate the driving connection between the storage disc assembly 50 and the driving shaft 260, so that the automatic control of the rotation of the storage disc assembly 50 can be realized.

[0087] The material of the first sealing member 20 is not limited. For example, it can be silicone or the like. Silicone basically does not generate harmful substances, so it is beneficial to ensure the health of the user.

[0088] The first sealing member 20 has a ring structure, and the first sealing member 20 is distributed along the outer edge of one circumference of the driving connection hole 112d.

[0089] Because the receiving space 10c is in communication with the outside through the drive connection hole 112d, and the receiving disc assembly 50 needs to rotate, a certain gap needs to be maintained between the receiving disc assembly 50 and the side wall of the receiving space 10c, so that the external airflow has the possibility of entering the internal cavity 110a through the drive connection hole 112d and the gap.

[0090] In this embodiment, by arranging the first sealing member 20, the first sealing member 20 can seal the gap between the receiving disc assembly 50 and the side wall of the receiving space 10c, reducing the possibility of external airflow entering the internal cavity 110a through the drive connection hole 112d and the gap between the receiving disc assembly 50 and the side wall of the receiving space 10c, thereby improving the sealing performance of the internal cavity 110a.

[0091] In addition, the first sealing member 20 can be a flexible material, which has less effect on the rotation of the receiving disc assembly 50, and can also provide a certain damping force to the rotation of the receiving disc assembly 50. That is, without affecting the rotation of the receiving disc assembly 50, the ribbon medium 120 can also have a certain pre-tightening force during rotation, improving the reliability of the ribbon medium 120 during movement, and avoiding damage to the ribbon medium 120 during movement.

[0092] Please refer to Figure 2 , Figures 6 to 8 In an embodiment, the receiving disc assembly 50 includes a receiving disc 51 and a sealing cover 52, the receiving disc 51 has a mounting channel 51a coaxially arranged with the drive connection hole 112d, the mounting channel 51a penetrates both ends of the receiving disc 51 along its axial direction, one end of the mounting channel 51a is used to pass the drive shaft 260, and the sealing cover 52 is arranged in the mounting channel 51a through the other end of the mounting channel 51a and seals the other end of the mounting channel 51a.

[0093] Specifically, in this embodiment, the receiving disc 51 is used to wind the ribbon medium 120, the drive shaft 260 is drivingly connected with the receiving disc 51, and the first sealing member 20 is clamped between the receiving disc 51 and the side wall of the receiving space 10c located at the outer edge of the drive connection hole 112d.

[0094] By arranging the mounting channel 51a to penetrate both ends of the receiving disc 51 along its axial direction, in this way, the receiving disc 51 can be ejected from both ends of the mounting channel 51a during injection molding. That is, the receiving disc 51 of the present embodiment has lower ejection difficulty, thereby facilitating production.

[0095] Since the mounting channel 51a is in communication with the drive connection hole 112d, therefore, the external airflow has the possibility of entering the internal cavity 110a through the drive connection hole 112d and the mounting channel 51a.

[0096] The other end of the installation channel 51a is sealed by the sealing cover 52, so that the possibility of external airflow entering the internal cavity 110a through the installation channel 51a is reduced.

[0097] The specific structure of the sealing cover 52 is not limited. For example, as shown in Figure 8 , the sealing cover 52 has a receiving groove in which at least part of the drive shaft 260 is located. That is, in the radial direction of the installation channel 51a, the sealing cover 52 and the drive shaft 260 have an overlapping area, and when the size of the installation channel 51a in the axial direction is certain, the sealing cover 52 and the drive shaft 260 can both extend into the installation channel 51a by a sufficient size. In this way, on the one hand, the stability of the drive shaft 260 driving the rotation of the receiving disc 51 is better, and on the other hand, the reliability of the installation of the sealing cover 52 in the installation channel 51a can also be improved, which is beneficial to improve the sealing reliability of the internal cavity 110a.

[0098] Further, an installation gap is easily formed between the sealing cover 52 and the side wall of the installation channel 51a.

[0099] The receiving disc assembly 50 further comprises a second sealing member 53, which is clamped between the outer side wall of the sealing cover 52 and the side wall of the installation channel 51a.

[0100] The material of the second sealing member 53 is not limited. For example, it can be silicone or the like. Silicone basically does not produce harmful substances, so it is beneficial to ensure the health of the user.

[0101] By clamping the second sealing member 53 between the outer side wall of the sealing cover 52 and the side wall of the installation channel 51a, the possibility of external airflow entering the internal cavity 110a through the installation gap between the sealing cover 52 and the side wall of the installation channel 51a is further reduced.

[0102] The specific structure of the housing 10 is not limited, which can be used to accommodate the strip-shaped medium 120. For example, referring to Figures 6 to 11 , the housing 10 comprises a first housing 11 and a second housing 12, and the first housing 11 and the second housing 12 are sealingly connected and define a storage space 10b, a receiving space 10c and a heating area 10a.

[0103] The first housing 11, the second housing 12, the receiving disc assembly 50 and the storage disc 40 define the internal cavity 110a.

[0104] Specifically, the drive connection hole 112d, the air outlet channel 111a, the air inlet channel 112n and the negative pressure air duct 112m can be provided on the first housing 11.

[0105] In this embodiment, the installation of the band-shaped medium 120, the storage disc assembly 50, the storage disc 40 and other components in the shell 10 can be facilitated.

[0106] The first shell 11 and the second shell 12 are in a sealed connection, so that the possibility of external airflow entering the internal cavity 110a through the installation gap between the first shell 11 and the second shell 12 is reduced.

[0107] The band-shaped medium 120 can be arranged in the region between the first shell 11 and the second shell 12. The first shell 11 and the second shell 12 can be detachably connected, so that the band-shaped medium 120 can be replaced after use, and the shell 10 can be reused, thereby reducing the use cost of the user.

[0108] It should be noted that the specific manner of the sealed connection between the first shell 11 and the second shell 12 is not limited. Exemplarily, please refer to Figure 9 In an embodiment, the shell 10 further comprises a third sealing member 13, and the third sealing member 13 is sealingly clamped between the first shell 11 and the second shell 12.

[0109] The material of the third sealing member 13 is not limited. For example, it can be silicone or the like. Silicone basically does not produce harmful substances, so it is beneficial to ensure the health of the user.

[0110] By arranging the third sealing member 13 between the first shell 11 and the second shell 12, the sealing performance between the two is improved. The sealing performance of the internal cavity 110a is better, and the aerosol generating device is facilitated to realize the function of being drawn.

[0111] In addition, the third sealing member 13 is used to seal the installation gap between the first shell 11 and the second shell 12, so that the first shell 11 and the second shell 12 can be arranged in a detachable connection structure, thereby facilitating the replacement of the band-shaped medium 120.

[0112] In other embodiments, the first shell 11 and the second shell 12 are in a sealed structure formed by ultrasonic sealing.

[0113] The ultrasonic sealing process is a method of sealing by using ultrasonic technology. The basic principle is to convert electrical energy into high-frequency high-voltage signals, and then convert the high-frequency high-voltage signals into high-frequency mechanical vibration through a transducer system, and apply the high-frequency mechanical vibration to the contact surface to be sealed. The high-speed friction between the two contact surfaces causes the temperature to rise and melt when the melting point is reached, and at the same time, it is cooled and shaped under a certain pressure to complete the sealing process.

[0114] By using the ultrasonic sealing process, the sealed connection between the first shell 11 and the second shell 12 has better effect and higher sealing strength.

[0115] Please refer to Figures 4 to 11 In an embodiment, the end of the shell assembly 110 is provided with a protrusion 111, at least part of the air outlet channel 111a is arranged on the protrusion 111, and the protrusion 111 is used to connect with the suction piece 300 of the aerosol generating device; the shell assembly 110 further comprises a sealing ring 30, which is clamped between the suction piece 300 and the protrusion 111.

[0116] In a specific embodiment, please refer to Figures 9 to 11 The shell assembly 110 comprises a shell 10, the shell 10 comprises a first shell 11 and a second shell 12, the first shell 11 comprises a shell body 112 and a protrusion 111, and the shell body 112 and the second shell 12 define a heating area 10a, a storage space 10b, and a receiving space 10c, the strip-shaped medium 120 is arranged in the area between the shell body 112 and the second shell 12, and the negative pressure air duct 112m and the air inlet channel 112n are arranged on the shell body 112.

[0117] The shape of the protrusion 111 is not limited. For example, it can be a cylindrical shape, a square column shape, etc. For example, please refer to Figures 9 to 11 The protrusion 111 is in a cylindrical shape, and the cylindrical protrusion 111 can be connected with the suction piece 300 at any angle in the circumferential direction, thereby facilitating user operation and improving user experience.

[0118] The air outlet channel 111a is formed on the top side of the shell 10, and the aerosol generated in the heating area 10a can be directly discharged through the protrusion 111, the protrusion 111 is closer to the user, and the aerosol can be transported from the air outlet channel 111a to the outside in a short time and used by the user.

[0119] The protrusion 111 can facilitate the connection of the suction piece 300 to the shell 10, thereby achieving the suction of the aerosol.

[0120] The connection mode of the suction piece 300 and the protrusion 111 is not limited. For example, a detachable connection mode such as plug-in connection or clamping connection can be used for connection.

[0121] The material of the sealing ring 30 is not limited. For example, it can be silicone or the like. Silicone basically does not produce harmful substances, so it is beneficial to ensure the health of the user.

[0122] By arranging the sealing ring 30 between the suction piece 300 and the protrusion 111, the sealing performance between the suction piece 300 and the protrusion 111 is better, the possibility of aerosol overflowing from the connection gap between the two is reduced, and the possibility of external airflow entering the inside of the suction piece 300 from the connection gap between the two is also reduced, thereby enabling the user to stably suck the aerosol through the suction piece 300.

[0123] In addition, the sealing performance between the suction member 300 and the convex column 111 is enhanced, and in the process of suctioning the aerosol through the suction member 300, the negative pressure in the internal cavity 110a is also facilitated, thereby improving the reliability of the puff and stop function of the aerosol generating device.

[0124] Please refer to Figures 3 to 5 In some embodiments, the convex column 111 is provided with a mounting groove 111b, and the sealing ring 30 is arranged in the mounting groove 111b. The mounting groove 111b provides a mounting space for the sealing ring 30, and the sealing ring 30 does not protrude too much from the side wall of the convex column 111. Therefore, in the process of disassembling and assembling the suction member 300, the resistance is smaller, and the user can operate more easily.

[0125] Please refer to Figures 3 to 5 In an embodiment, the negative pressure air duct 112m communicates with the air outlet channel 111a through the internal cavity 110a.

[0126] That is, the negative pressure air duct 112m is arranged in a region outside the air outlet path of the aerosol generating device. Since the internal cavity 110a is generally a sealed cavity, the internal cavity 110a is prone to generate negative pressure. Therefore, by arranging the negative pressure air duct 112m in a region outside the air outlet path, when the user sucks the aerosol, the negative pressure element 240 can also relatively reliably detect the generation of negative pressure, thereby controlling the aerosol generating device to be turned on.

[0127] It should be noted that the air outlet path of the aerosol generating device is the path through which the aerosol flows into the user's oral cavity in sequence through the heating area 10a, the air outlet channel 111a, and the suction member 300.

[0128] After the user stops sucking, there will still be a part of the aerosol in the air outlet channel 111a, and this part of the aerosol may flow back to the heating area 10a. By arranging the negative pressure air duct 112m in a region outside the air outlet path of the aerosol generating device, the possibility of the aerosol flowing back into the negative pressure air duct 112m can be reduced, thereby reducing the possibility of the negative pressure air duct 112m being blocked by the aerosol condenser, and improving the reliability of the puff and stop function of the aerosol generating device.

[0129] In addition, the aerosol is not easy to enter the negative pressure air duct 112m, and the probability of the negative pressure element 240 being contaminated by the aerosol is also reduced.

[0130] As shown in Figure 4 , Figure 5 , Figure 10 and Figure 11 In some embodiments, the negative pressure air duct 112m extends along the thickness direction of the shell 10.

[0131] It should be noted that the sizes of different components in three directions in the same absolute coordinate system are different, and the length, width and thickness of an object are generally determined according to the sizes of the object in three directions, that is, length>width>thickness. Exemplarily, the thickness direction of the shell 10 is shown as d2 in Figure 10 、 Figure 11 .

[0132] As shown in Figure 1 、 Figure 2 and Figure 12 , when the host 200 includes the fourth sealing member 250, the negative pressure element 240 and the fourth sealing member 250 are generally arranged on one side of the atomization medium assembly 100 in the thickness direction, so that the negative pressure air passage 112m and the sealing passage 250a of the fourth sealing member 250 can be connected.

[0133] In some other embodiments, the negative pressure air passage 112m can also extend in the width direction of the shell 10, that is, in the same direction as the air inlet passage 112n.

[0134] The arrangement position of the air inlet passage 112n is not limited. Exemplarily, please refer to Figure 4 and Figure 5 , in an embodiment, the air inlet passage 112n is arranged on both sides of the shell assembly 110 in the width direction.

[0135] It should be noted that Figure 5 the dashed arrow therein represents the flow of air inside the atomization medium assembly 100.

[0136] The width direction of the shell assembly 110 is the direction shown as d1 in Figure 4 、 Figures 10 to 12 .

[0137] Please refer to Figures 1 to 5 、 Figure 12 , in an embodiment, the host 200 includes an outer cover 230 and a main shell 210 provided with a mounting area 210a, the heating assembly 220 and the atomization medium assembly 100 are arranged in the mounting area 210a, the outer cover 230 seals the open side of the mounting area 210a, and the external air flow can enter the mounting area 210a through the gap between the main shell 210 and the outer cover 230, and the air inlet groove 210b is arranged on the side wall of the mounting area 210a and communicates with the air inlet passage 112n.

[0138] The atomization medium assembly 100 is detachably arranged in the installation area 210a, and the open side of the installation area 210a is closed by the outer cover 230. During the suction process, external airflow can enter through the gap between the main shell 210 and the outer cover 230, and then pass through the air inlet groove 210b, the air inlet channel 112n and the heating area 10a in sequence, thereby realizing the air inlet of the aerosol generating device. The main shell 210 and the outer cover 230 can be connected by, for example, magnetic attraction, clamping, threaded connection, plug-in or ultrasonic connection.

[0139] By opening the air inlet groove 210b on the side wall of the installation area 210a, the size of the installation area 210a can be designed to fit the installation of the atomization medium assembly 100. That is, the atomization medium assembly 100 can be attached to the side wall of the other area of the installation area 210a except the air inlet groove 210b, thereby forming a certain limiting effect on the atomization medium assembly 100 in the installation area 210a, which is beneficial to improve the installation stability of the atomization medium assembly 100 in the installation area 210a. At the same time, by using the air inlet groove 210b, external airflow can also flow smoothly into the air inlet channel 112n, thereby realizing the air inlet of the aerosol generating device.

[0140] After the strip-shaped medium 120 is used up, the outer cover 230 can be detached from the main shell 210, so as to replace the new atomization medium assembly 100. Of course, when the strip-shaped medium 120 and the shell assembly 110 are detachable, the atomization medium assembly 100 can also be taken out from the installation area 210a, and then the shell assembly 110 is opened. After the atomization medium assembly 100 is replaced with a new strip-shaped medium 120, the atomization medium assembly 100 is installed in the installation area 210a.

[0141] The host 200 further comprises a power supply assembly arranged in the main shell 210. The heating assembly 220 is electrically connected with the power supply assembly, and is used for heating the strip-shaped medium 120. The power supply assembly and the main shell 210 are non-detachably connected, and the power supply assembly can be discarded until it is used up. Alternatively, the power supply assembly and the main shell 210 are detachably connected, that is, the power supply assembly can be detachable and replaceable, or rechargeable (inside or outside the aerosol generating device).

[0142] Please refer to Figures 3 to 5 , Figure 12 The air inlet groove 210b can be arranged on both sides of the installation area 210a along the width direction of the aerosol generating device, thereby corresponding to the air inlet channel 112n one by one.

[0143] It should be noted that the width direction of the aerosol generating device is the width direction of the shell assembly 110.

[0144] Please refer to Figure 11 andFigure 12 In one embodiment, the host 200 further comprises a fourth sealing member 250, the fourth sealing member 250 is provided with a sealing channel 250a, two ends of the fourth sealing member 250 are respectively connected with the negative pressure element 240 and the shell assembly 110, so that the negative pressure air channel 112m is communicated with the negative pressure element 240 through the sealing channel 250a.

[0145] The material of the fourth sealing member 250 is not limited. For example, it can be silica gel and the like. Silica gel basically does not produce harmful substances, so it is beneficial to ensure the health of the user.

[0146] Through the fourth sealing member 250, the sealing performance between the negative pressure air channel 112m and the negative pressure element 240 can be improved, so the reliability of the negative pressure element 240 detecting the negative pressure in the internal cavity 110a is improved, that is, the reliability of the aerosol generating device is improved.

[0147] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions recorded in the above embodiments, or make equivalent replacement for part or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application, and they should be covered in the scope of the claims and the specification of the present application. Especially, as long as there is no structural conflict, each technical feature mentioned in each embodiment can be combined in any way. The present application is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.

Claims

1. An atomizing medium assembly characterized by, The shell assembly comprises a shell having a storage space, a receiving space and a heating area, and further comprises a storage disc arranged in the storage space and a receiving disc assembly arranged in the receiving space, wherein the storage disc is used for winding the strip-shaped medium, the strip-shaped medium can be unwound from the storage disc, pass through the heating area and be wound on the receiving disc assembly. The shell further comprises a driving connection hole in communication with the receiving space, the driving connection hole is used for penetrating a driving shaft of an aerosol generating device, so that the driving shaft can be drivingly connected with the receiving disc assembly. The receiving disc assembly comprises a receiving disc and a sealing cover, the receiving disc has a mounting channel coaxially arranged with the driving connection hole, the mounting channel penetrates through both ends of the receiving disc along the axial direction, one end of the mounting channel is used for penetrating the driving shaft, and the sealing cover is arranged in the mounting channel through the other end of the mounting channel and seals the other end of the mounting channel. The receiving disc assembly further comprises a second sealing member, which is sealingly clamped between the outer side wall of the sealing cover and the side wall of the mounting channel.

2. The atomized medium assembly of claim 1, wherein, The shell comprises a first shell and a second shell, the first shell and the second shell are sealingly connected and define the storage space, the receiving space and the heating area.

3. The atomized medium assembly of claim 2, wherein, The shell further comprises a third sealing member, which is sealingly clamped between the first shell and the second shell; or The first shell and the second shell are ultrasonically sealed to form a sealing structure.

4. The atomized medium assembly of claim 3, wherein, The end of the shell assembly protrudes a convex column, at least part of the air outlet channel is arranged on the convex column, and the convex column is used for connecting with a suction member of an aerosol generating device. The shell assembly further comprises a sealing ring, which is sealingly clamped between the suction member and the convex column.

5. The atomized medium assembly of claim 2, wherein, The negative pressure air channel communicates with the air outlet channel through the inner cavity; and / or 6. The atomized medium assembly of claim 5, wherein, The air inlet channel is located on both sides of the shell assembly in the width direction. The main machine comprises a negative pressure element and a heating assembly; 7. The atomized medium assembly of claim 1, wherein, The atomization medium assembly of any one of claims 1-8 is detachably arranged on the main machine, the negative pressure air channel communicates with the negative pressure element, and the heating assembly is used for heating the strip-shaped medium in the heating area. ​ 8. The atomized medium assembly of any of claims 1-7, wherein, ​ ​ 9. An aerosol-generating device comprising: ​ ​ ​ A suction member is connected with the shell assembly and communicates with the air outlet channel.

10. The aerosol-generating device of claim 9, wherein, The main machine further comprises a fourth sealing member provided with a sealing channel, two ends of the fourth sealing member are connected with the negative pressure element and the shell assembly respectively, so that the negative pressure air passage communicates with the negative pressure element through the sealing channel; and / or, The main machine comprises an outer cover and a main shell provided with a mounting area, the heating assembly and the atomization medium assembly are arranged in the mounting area, the outer cover closes the open side of the mounting area, and external airflow can enter the mounting area through the gap between the main shell and the outer cover, an air inlet groove is arranged on the side wall of the mounting area, and the air inlet groove communicates with the air inlet channel.

Images