Rock salt aerosol generating device

Abstract

The invention relates to the technical field of medical instruments, in particular to a rock salt aerosol generating device. The rock salt aerosol generating device comprises an aerosol generating structure, wherein the aerosol generating structure comprises a lower inner container, an upper inner container and a separator; a lower cavity is formed in the lower inner container, a cone is arranged at the bottom in the lower cavity, and a gas injection hole is formed in the side wall of the lower inner container; the upper inner container comprises a funnel-shaped inner container and a separator supporting part; the number of the separators is at least two, the separators are assembled in a sealed mode, and the separator air holes formed in the upper and lower adjacent separators are arranged in a staggered mode. The cup shell comprises a base, an outer shell and a top cover; the lower inner container, the base and the shell are respectively assembled in a sealing mode, an air inlet is formed in the bottom of an air input cavity formed after the base and the lower inner container are assembled, and an air outlet is formed in the top cover. Airflow in the pneumatic cavity of the rock salt aerosol generating device is more uniform and free of leakage, the separation efficiency is high, medicine powder residues are eliminated, and mounting and dismounting are convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of medical devices, and in particular to a rock salt aerosol generating device. Background Art

[0002] Nebulizer inhalation therapy is one of the commonly used methods for treating respiratory diseases. It uses a nebulizer to atomize liquid medicine into tiny particles, which are then inhaled into the respiratory tract and lungs by the patient to achieve the purpose of treatment. Commonly used compressed nebulizers in clinical practice generally include a compressor, an airway, a nebulizer cup, a nozzle, and a mask; the nebulizer cup is connected to the compressor through an air supply pipe, and the nozzle or mask is connected to the air outlet pipe of the nebulizer cup.

[0003] The size of the atomized particles is affected by two factors: the compressor and the atomizer cup. The compressor provides air at a constant pressure, and the process of the atomizer cup determines the level of the excited particle size. Therefore, the atomizer cup is very important for the compressed atomizer. The atomization principle of the atomizer cup is to use high-speed airflow to drive the liquid to spray onto the obstruction, suspend the tiny droplets hit by the water droplets in the gas, form an aerosol and input it into the respiratory tract, so as to achieve the purpose of painless, rapid and effective treatment. Different atomizers will directly affect the final atomization effect. The existing atomizer cup uses the structure of airflow to excite the aerosol. There are still the following problems: the efficiency of aerosol generation is low, the degree of separation of large-particle aerosol is insufficient, and there will always be residual powder inside the product, which cannot be fully utilized; the pneumatic cavity of the product has poor sealing performance, and the airflow will leak, which has a negative impact on the output performance of the aerosol and causes aerosol waste; after the product is used, it is inconvenient to disassemble and assemble when it needs to be cleaned. In addition, the existing atomizer cup products are inconvenient to assemble, the production cost is high, and the product volume is too large, which is not conducive to handheld use by users.

[0004] Based on this, the present invention develops and improves the atomizing cup structure to obtain a new rock salt aerosol generating device.

[0005] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Summary of the invention

[0006] The invention provides a rock salt aerosol generating device, in which the airflow in the pneumatic cavity is more uniform and has no airflow leakage; the efficient separation of large-particle aerosol is ensured, the residual medicine powder is eliminated, and the full utilization of the medicine powder is ensured; the device is easy to install and disassemble, convenient to use, and solves the problems existing in the prior art.

[0007] In order to achieve the above object, the technical solution adopted by the present invention is:

[0008] A rock salt aerosol generating device, comprising:

[0009] An aerosol generating structure, the aerosol generating structure comprising a lower inner liner, an upper inner liner and a separator which are sequentially sealed and assembled from bottom to top; a lower cavity is arranged in the lower inner liner, a cone is arranged at the bottom of the lower cavity, and a gas injection hole is arranged on the side wall of the lower inner liner above the cone; the upper inner liner comprises a funnel-shaped inner liner and a separator supporting portion; the separator comprises at least two sealed assemblies, each separator comprises an annular shell and a convex inner shell arranged in the annular shell, separator air holes are arranged on the side wall of the convex inner shell, and the separator air holes on the upper and lower adjacent separators are arranged alternately;

[0010] The cup shell comprises a base, an outer shell and a top cover which are sealed and assembled on the outside of the aerosol generating structure; the lower liner is sealed and assembled with the base and the outer shell respectively, an air inlet is arranged at the bottom of the gas input cavity formed after the base and the lower liner are assembled, and an air outlet is arranged on the top cover.

[0011] Furthermore, the lower liner, the upper liner and the separator are connected to form a pneumatic cavity for generating aerosol.

[0012] Furthermore, after the outer shell is sealed and assembled with the top cover, the separator is finally fixed.

[0013] Furthermore, the cone is a conical surface formed by the center of the inner bottom surface of the lower cavity rising upward, and the gas injection hole is arranged not lower than the top of the conical surface; the gas injection hole is arranged on the side wall of the lower inner tank and gradually tilts downward from the outside to the inside.

[0014] Furthermore, the conical surface is a hollow conical surface.

[0015] Furthermore, the axis of the gas injection hole has a certain angle with the horizontal direction, so that the high-pressure gas through the gas injection hole on the side wall of the lower inner tank is sprayed into the lower cavity in a downward inclined manner, and the ejected airflows influence each other to form a vortex around the inner wall of the lower cavity.

[0016] Furthermore, the lower inner shell and the cone disposed therein are integrally formed.

[0017] Furthermore, the gas injection holes are evenly spaced along the circumference of the lower inner container.

[0018] Furthermore, the number of the gas injection holes is 3 or more.

[0019] Furthermore, the separator supporting portion is an annular cavity with an increased inner diameter arranged above the funnel-shaped inner liner. After the top cover and the outer shell are assembled, the bottom surface of the separator is abutted against and sealed against the top surface of the funnel-shaped inner liner; the funnel-shaped inner liner includes a first cavity, a second cavity and a third cavity that are arranged in communication with each other. The inner diameter of the first cavity is smaller than the inner diameter of the third cavity, and the inner diameter of the second cavity is smaller than the inner diameter of the first cavity. The first, second and third cavities are smoothly connected to form the inner wall of the funnel-shaped inner liner.

[0020] Further, the separator comprises a first separator and a second separator which are assembled and connected, the convex inner shell of the first separator is arranged higher than the top of its annular shell, and the convex inner shell of the second separator is arranged in its annular shell; a first clamping protrusion is arranged on the inner wall of the bottom of the annular shell of the first separator, and a first annular boss is arranged on the top of the annular shell of the second separator, the first annular boss is abutted against the bottom end of the annular shell of the first separator, and a first clamping groove matching the first clamping protrusion is arranged on the side wall of the annular shell of the second separator above the first annular boss, the first and second separators are snap-connected with the first clamping protrusion and the first clamping groove through the first clamping protrusion, and a first inclined surface is arranged on the outer edge of the first annular boss; after the first and second separators are assembled, the connection is matched by the first annular boss, the first clamping protrusion, the first clamping groove and the first inclined surface to form a labyrinth gap sealing state;

[0021] The separator pores of the first separator and the separator pores of the second separator are arranged horizontally one above the other and left to right correspondingly, that is, when the separator pores arranged on the convex inner shell side wall of the first separator are on the left, the separator pores arranged on the convex inner shell side wall of the second separator are arranged on the right.

[0022] Furthermore, a recess is arranged on the bottom wall of the annular shell of the first separator, and a convex block is arranged on the first annular boss corresponding to the recess, and the convex block is matched with the recess.

[0023] Furthermore, the arrangement of the protrusion and the recess, in conjunction with the arrangement of the first latching protrusion and the first latching groove, can better prevent the first and second separators from moving in the circumferential direction after assembly, thereby ensuring stability.

[0024] Furthermore, the rock salt aerosol generating device also includes a third separator assembled with the second separator, a second convex is arranged on the inner wall of the bottom of the annular shell of the second separator, a second annular boss is arranged on the top of the third separator, the second annular boss is abutted against the bottom end of the annular shell of the second separator, a second groove matching the second convex is arranged on the side wall of the annular shell of the third separator above the second annular boss, the second and third separators are connected by snapping with the second convex and the second groove, and a second inclined surface is arranged on the outer edge of the second annular boss; after the second and third separators are assembled, the connection is matched by the second annular boss, the second convex, the second groove and the second inclined surface to form a labyrinth gap sealing state;

[0025] The separator air holes on the third separator are arranged correspondingly to the separator air holes on the first separator up and down; an annular sealing groove is arranged on the bottom end surface of the third separator, and a sealing ring is arranged in the annular sealing groove.

[0026] Furthermore, the opening direction of the separator pores is arranged horizontally.

[0027] Furthermore, for the separator structure provided with the third separator, the aforementioned protrusion and recess structure is also provided between the second and third separators to increase the stability of the assembly.

[0028] Furthermore, the first and second latching protrusions are long arc-shaped latching protrusions extending in the circumferential direction of the bottom inner wall of the annular shell of the corresponding separator.

[0029] Furthermore, two of the first and second latching protrusions are symmetrically arranged on the inner wall of the annular shell of the corresponding separator.

[0030] Furthermore, the cup shell seals and fixes the aerosol generating structure inside; the base, lower inner liner, outer shell and top cover are threadedly assembled and connected in sequence, and a sealing ring is arranged between the lower inner liner and the base; the lower inner liner is threadedly assembled and connected to the upper inner liner, a sealing ring is arranged at the threaded connection between the lower inner liner and the upper inner liner, and a sealing ring is arranged at the bottom end of the separator at the connection between the upper inner liner and the separator; the top end of the upper inner liner abuts against the inner side of the top of the outer shell; after the separator is assembled with the top cover and the outer shell, it is sealed against the separator supporting part of the upper inner liner, and the top of the separator extends upward into the top cover.

[0031] Furthermore, a columnar portion is arranged in the middle of the cavity in the top cover, and after the top cover and the shell are assembled, the bottom end of the columnar portion abuts against the top end surface of the separator; the top cover space outside the columnar portion is an aerosol output cavity.

[0032] Furthermore, the second and third separators are assembled in the annular cavity of the separator supporting portion of the upper inner container.

[0033] Furthermore, an air inlet joint is sealably assembled at the air inlet of the base.

[0034] Furthermore, a sealing ring is arranged on the air inlet connector. The air inlet connector can be pulled out from the air inlet of the base, and the arrangement of the sealing ring here realizes the sealing between the air inlet and the air inlet.

[0035] Beneficial effects of the present invention:

[0036] The rock salt aerosol generating device of the present invention adopts a newly designed pneumatic cavity, thereby realizing the production of a small-volume product that can be held in one hand. The new pneumatic cavity can achieve a more uniform airflow, which is conducive to aerosol generation, and can eliminate drug powder residues to achieve full utilization of drug powder; the strict sealing design prevents airflow leakage inside the pneumatic cavity, and further achieves full utilization of drug powder on the basis of ensuring the performance of aerosol generation.

[0037] Specifically, the aerosol generating device has a three-layer separator design to ensure efficient separation of large-particle aerosols; the upper inner tank structure connected to the separator has a narrow second cavity in the middle, and when the rising airflow passes through, the cross-sectional area of ​​the channel is reduced, which increases the airflow velocity, resulting in a decrease in the local air pressure at this part, thereby having a suction effect on the airflow in the lower inner tank, which is more conducive to the aerosol swirl rising; the cone and gas injection hole design of the lower inner tank can ensure that the airflow in the lower cavity of the lower inner tank is affected by the cone and the bottom surface of the lower cavity after injection to form a swirl in the lower cavity; the gas input cavity formed between the lower inner tank and the base has a larger space, so that the airflow through multiple gas injection holes has a higher uniformity; the detachable air pipe joint design on the base makes it easy for users to connect the air pipe of the atomizer pump host to the atomizer cup, and it is also easy to disconnect the air pipe connection. The aerosol generating device adopts a threaded sealing assembly as a whole, which is easy to install and disassemble and flexible to use. When preparing for cleaning, users can disassemble all parts by hand without special tools, which reduces the process cost of the assembly process. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0039] Figure 1 It is a structural schematic diagram of the present invention;

[0040] Figure 2 for Figure 1 AA section view;

[0041] Figure 3 It is a structural schematic diagram of the separator of the present invention;

[0042] Figure 4 for Figure 3Schematic diagram of the three-dimensional structure;

[0043] Figure 5 for Figure 3 BB section view;

[0044] Figure 6 for Figure 3 A schematic diagram of the structure of the third separator;

[0045] Figure 7 This is a schematic diagram of the disassembled structure of the present invention.

[0046] In the figure, 1 is a lower liner, 101 is a lower cavity, 102 is a cone, 103 is a gas injection hole, 2 is an upper liner, 201 is a funnel-shaped liner, 2011 is a first cavity, 2012 is a second cavity, 2013 is a third cavity, 202 is a separator supporting part, 3 is a separator, 31 is an annular shell, 32 is a convex inner shell, 301 is a first separator, 302 is a second separator, 303 is a third separator, 304 is a separator air hole, 305 is a first convex, 306 is a first annular boss, 307 is a first groove, 308 is a first inclined surface, 309 is a second convex, 310 is a second annular boss, 311 is a second groove, 312 is a second inclined surface, 313 is a labyrinth gap, 314 is a recess, 315 is a bump, 4 is a base, 5 is an outer shell, 6 is a top cover, 601 is a columnar part, 602 is an aerosol output cavity, 7 is a sealing ring, 8 is a gas input cavity, and 9 is an air inlet connector. DETAILED DESCRIPTION

[0047] In order to clearly illustrate the technical features of the present invention, the present invention is described in detail below through specific implementation methods in conjunction with the accompanying drawings.

[0048] In the description of the present invention, it is necessary to understand that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0049] like Figure 1-7 , shows the structure of the rock salt aerosol generating device of this embodiment. Specifically, the aerosol generating device includes a cup shell, an aerosol generating structure is assembled in the cup shell, and a pneumatic cavity for aerosol generation is formed in the aerosol generating structure. The aerosol generating structure includes a lower liner 1, an upper liner 2 and a separator 3 assembled from bottom to top, the lower liner is threadedly connected to the upper liner, and a base 4, an outer shell 5 and a top cover 6 are sealed and assembled on the outside of the structure. The base, the outer shell and the top cover constitute the structure of the aforementioned cup shell, an air inlet is arranged at the bottom of the base 4, and an air outlet is arranged on the top cover 6.

[0050] See also Figure 1 , Figure 2 A lower cavity 101 is arranged in the lower inner tank 1, and a cone 102 is arranged at the inner bottom of the lower cavity. The cone is a cone surface formed by the center of the inner bottom surface of the lower cavity rising upward, and the cone surface is a hollow cone surface; a gas injection hole 103 is arranged on the side wall of the lower inner tank above the cone, and the gas injection hole is arranged on the side wall of the lower inner tank gradually tilted downward from the outside to the inside. Three or more gas injection holes are evenly spaced along the circumference of the lower inner tank.

[0051] The upper inner liner 2 includes a funnel-shaped inner liner 201 and a separator support part 202; the funnel-shaped inner liner 201 includes a first cavity 2011, a second cavity 2012 and a third cavity 2013 which are connected to each other, the second cavity forms a narrow passage between the first and third cavities, and the inner side wall of the funnel-shaped inner liner between the first, second and third cavities presents a smooth arc transition. The separator support part 202 has a larger inner diameter than the first cavity above the first cavity, so that the bottom end of the separation support part forms an annular support drag for the separator to be sleeved and placed.

[0052] See also Figure 2-Figure 6The separator 3 includes a sealed assembly of a first separator 301, a second separator 302 and a third separator 303. Each separator is composed of an annular shell 31 and a convex inner shell 32 disposed in the annular shell. Separator air holes 304 are disposed on the side wall of the convex inner shell. The separator air holes on the upper and lower adjacent separators are arranged alternately. The convex inner shell of the first separator is arranged higher than the top of its annular shell, and the convex inner shells of the second and third separators are both disposed in their respective annular shells. A first latching protrusion 305 is arranged on the inner wall of the bottom of the annular shell of the first separator, and a first annular boss 306 is arranged on the top of the annular shell of the second separator. The first annular boss abuts against the bottom end of the annular shell of the first separator, and a first groove 307 matching the first latching protrusion is arranged on the side wall of the annular shell of the second separator above the first annular boss. The first and second separators are connected by snapping the first latching protrusion and the first groove, and a first inclined surface 308 is arranged on the outer edge of the first annular boss. After the first and second separators are assembled, the connection is matched by the first annular boss, the first latching protrusion, the first groove and the first inclined surface to form a labyrinth gap 313, thereby ensuring a good sealing state. A second latching protrusion 309 is arranged on the inner wall of the bottom of the annular shell of the second separator, and a second annular boss 310 is arranged on the top of the third separator. The second annular boss abuts against the bottom end of the annular shell of the second separator, and a second groove 311 matching the second latching protrusion is arranged on the side wall of the annular shell of the third separator above the second annular boss. The second and third separators are connected by snapping the second latching protrusion and the second groove, and a second inclined surface 312 is arranged on the outer edge of the second annular boss. After the second and third separators are assembled, the connection is matched by the second annular boss, the second latching protrusion, the second groove and the second inclined surface to form a labyrinth gap sealing state.

[0053] The separator pores 304 of the first separator and the separator pores of the second separator are arranged horizontally one above the other and left to right. The separator pores on the third separator are aligned with the separator pores on the first separator up and down; an annular sealing groove is arranged on the bottom end surface of the third separator, and a sealing ring 7 is arranged in the annular sealing groove.

[0054] A notch 314 is provided on the bottom wall of the annular shell of the first separator 301 and the second separator 302, and a convex block 315 is provided on the first and second annular bosses, and the convex blocks and the notch on the separators assembled up and down are matched. The setting of the convex block and the notch, in conjunction with the setting of the convex block and the groove, can better prevent the separator from moving in the circumferential direction after assembly, and ensure stability.

[0055] See also Figure 1 , Figure 2 and Figure 7, the aforementioned base 4, lower liner 1, shell 5 and top cover 6 are threadedly assembled and connected in sequence, and a sealing ring 7 is arranged between the lower liner and the base; after the base and the lower liner are assembled, a gas input cavity 8 is formed in the base outside the lower liner, and the gas input cavity 8 is a flow channel for high-pressure gas. The wide space design can make the gas flow through multiple gas injection holes have a high degree of uniformity. The lower liner is threadedly assembled and connected to the upper liner, and a sealing ring 7 is arranged at the connection between the lower liner and the upper liner, and a sealing ring 7 is arranged at the connection between the upper liner and the separator; the top of the upper liner is against the bottom end surface of the inner side of the top of the shell. After the top cover 6 and the shell 5 are threadedly connected, the separator is sealed against the separator support part of the upper liner, and the top of the separator extends upward into the top cover 6. A columnar portion 601 is arranged in the middle of the cavity in the top cover, and after the top cover and the shell are assembled, the bottom end of the columnar portion is against the top end surface of the first separator 301. The top cover space outside the columnar portion is the aerosol output cavity 602 .

[0056] After the above structures are assembled, the cup shell and the aerosol generating structure are both sealed, assembled and fixed.

[0057] An air inlet connector 9 is sealably assembled at the air inlet of the base, and a sealing ring is arranged on the air inlet connector. The air inlet connector can be pulled out from the air inlet of the base, and the arrangement of the sealing ring here realizes the sealing between the air inlet and the air inlet.

[0058] Working principle and working process of the aerosol generating device:

[0059] The high-pressure gas output by the main unit of the atomizing pump is input into the gas input cavity 8 through the pipeline and the air inlet joint 9 connected to the pipeline; the high-pressure gas passes through the gas input cavity 8 and is evenly distributed to the gas injection holes 103 located on the side wall of the lower inner tank 1, and then injected into the lower cavity 101 through the gas injection holes; the high-pressure gas through the injection holes is injected into the lower cavity in a downward inclined injection manner, and the injected airflows affect each other, forming a vortex around the inner wall of the lower cavity in the lower cavity 101; the airflow injected by the gas injection holes with uniform gas flow distribution helps to generate a stable and uniform vortex in the lower cavity 101; the circular vortex in the lower cavity 101 contacts the powder in the lower cavity, generates shear force, takes away a part of the powder, and spreads the powder during the rotation process to generate an aerosol; the rotation direction of the circular vortex is determined according to the arrangement of the multiple gas injection holes 103. Its rotation direction, clockwise or counterclockwise, can be used to generate aerosols; stable vortex is conducive to ensuring the uniform concentration of the generated aerosol. As new high-pressure gas is continuously injected into the lower cavity 101, the swirl flow in the lower cavity will rise while rotating.

[0060] After entering the upper inner liner 2, the swirl flows through the third chamber 2013, the second chamber 2012 and the first chamber 2011 of the upper inner liner in sequence. As the second chamber becomes narrower, when the rising swirl flows through the narrow part, the cross-sectional area of ​​the channel decreases, the gas flow rate increases, and the local air pressure in the narrow part decreases, thereby generating a suction effect (Venturi effect) on the airflow in the lower cavity 101, which helps the aerosol swirl flow to rise. The speed of the swirl flow rising is much lower than the speed of rotation; this ensures that the swirl flow has enough time to carry enough medicine powder and generate aerosols of sufficient concentration. The airflow carrying aerosol that rises to the separator supporting portion 202 of the upper liner 2 passes through the separator pore 304 located on the separator 3 and first enters the separator cavity of the third separator 303. In this process, since the separator pore is located on the side of the third separator, the airflow needs to undergo a sharp turn of about 90 degrees before entering the separator pore 304 of the third separator. This will cause most of the large-particle aerosols to be separated from the airflow because of their large mass and unable to turn sharply. They will not enter the separator pore 3 and will remain in the upper liner 2 or settle in the lower cavity 101. The airflow carrying aerosol that enters the separator cavity of the third separator continues to move upward. Through the separator pore 304 located on the second separator 302, it enters the separator cavity of the second separator. In this process, since the separator pore of the second separator is located on the other side, the airflow needs to undergo a sharp turn of about 180 degrees before entering. This will also cause most of the large-particle aerosols to be separated from the airflow due to their large mass and unable to turn sharply, and not enter the separator pore 304 of the second separator, and stay in the separator cavity of the third separator; the airflow carrying aerosols entering the separator cavity of the second separator passes through the separator pore 304 located on the first separator 301 again, and enters the aerosol output cavity 602 in the top cover 6. In this process, since the separator pore 304 of the first separator 301 is located on the other side again, the airflow needs to undergo a sharp turn of about 180 degrees before entering the separator pore. This will cause most of the large-particle aerosols to be separated from the airflow due to their large mass and unable to turn sharply, and not enter the separator pore of the first separator, and stay in the separator cavity of the second separator. In this way, after the separation effect of the three-layer separator, the airflow carrying the aerosol finally entering the aerosol output cavity 602 has a greatly reduced content of large-particle aerosol relative to the airflow in the upper liner 2 and the lower cavity 101. This has a significant positive significance for the effect of medical treatment, and the aerosol separation efficiency is higher. At the same time, the particle aerosol in the above-mentioned retained airflow will repeatedly pass upward through the separator again, thereby gradually reducing the particle size, eliminating the residual powder, and ensuring the full utilization of the powder.

[0061] The above aerosol generating device is easy to install and disassemble, easy to use, the cup shell is small in size, easy to grasp, and no additional tools are required for disassembly, so it is very practical.

[0062] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0063] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention. At the same time, in practical applications, the specific installation method of the present invention can be appropriately adjusted and optimized according to factors such as the specific filter press model, working environment and process requirements to better meet the needs of actual production.

[0064] The matters not described in detail in the present invention are all known technologies to those skilled in the art.

Claims

1. A rock salt aerosol generating device, characterized in that: include: An aerosol generating structure, the aerosol generating structure comprising a lower inner liner, an upper inner liner and a separator which are sequentially sealed and assembled from bottom to top; a lower cavity is arranged in the lower inner liner, a cone is arranged at the bottom of the lower cavity, and a gas injection hole is arranged on the side wall of the lower inner liner above the cone; the upper inner liner comprises a funnel-shaped inner liner and a separator supporting portion; the separator comprises at least two sealed assemblies, each separator comprises an annular shell and a convex inner shell arranged in the annular shell, separator air holes are arranged on the side wall of the convex inner shell, and the separator air holes on the upper and lower adjacent separators are arranged alternately; The cup shell comprises a base, an outer shell and a top cover which are sealed and assembled on the outside of the aerosol generating structure; the lower liner is sealed and assembled with the base and the outer shell respectively, an air inlet is arranged at the bottom of the gas input cavity formed after the base and the lower liner are assembled, and an air outlet is arranged on the top cover.

2. The rock salt aerosol generating device according to claim 1, characterized in that: The cone is a conical surface formed by the center of the inner bottom surface of the lower cavity rising upward, and the gas injection hole is arranged not lower than the top of the conical surface; the gas injection hole is arranged on the side wall of the lower inner tank and gradually tilts downward from the outside to the inside.

3. The rock salt aerosol generating device according to claim 1, characterized in that: The lower inner container is integrally formed with the cone arranged therein.

4. The rock salt aerosol generating device according to claim 1, characterized in that: The gas injection holes are evenly spaced along the circumference of the lower inner container.

5. The rock salt aerosol generating device according to claim 1, characterized in that: The separator supporting portion is an annular cavity with an increased inner diameter arranged above the funnel-shaped inner liner. After the top cover and the outer shell are assembled, the bottom surface of the separator is abutted against and sealed against the top surface of the funnel-shaped inner liner; the funnel-shaped inner liner includes a first cavity, a second cavity and a third cavity which are arranged in communication with each other. The inner diameter of the first cavity is smaller than the inner diameter of the third cavity, and the inner diameter of the second cavity is smaller than the inner diameter of the first cavity. The inner side wall of the funnel-shaped inner liner between the first, second and third cavities presents a smooth arc transition.

6. The rock salt aerosol generating device according to claim 1, characterized in that: The separator comprises a first separator and a second separator which are assembled and connected, the convex inner shell of the first separator is arranged higher than the top of its annular shell, and the convex inner shell of the second separator is arranged in its annular shell; a first clamping protrusion is arranged on the inner wall of the bottom of the annular shell of the first separator, and a first annular boss is arranged on the top of the annular shell of the second separator, the first annular boss is abutted against the bottom end of the annular shell of the first separator, and a first clamping groove matching the first clamping protrusion is arranged on the side wall of the annular shell of the second separator above the first annular boss, the first and second separators are snap-connected with the first clamping protrusion and the first clamping groove through the first clamping protrusion, and a first inclined surface is arranged on the outer edge of the first annular boss; after the first and second separators are assembled, the connection is matched by the first annular boss, the first clamping protrusion, the first clamping groove and the first inclined surface to form a labyrinth gap sealing state; The separator air holes of the first separator and the separator air holes of the second separator are arranged correspondingly one above the other and one below the other and left to right in the horizontal direction.

7. The rock salt aerosol generating device according to claim 6, characterized in that: A recess is arranged on the bottom wall of the annular shell of the first separator, and a convex block is arranged on the first annular boss corresponding to the recess, and the convex block is matched with the recess.

8. The rock salt aerosol generating device according to claim 6, characterized in that: The third separator is also included, and is assembled with the second separator. A second clamping protrusion is arranged on the inner wall of the bottom of the annular shell of the second separator, and a second annular boss is arranged on the top of the third separator. The second annular boss abuts against the bottom end of the annular shell of the second separator. A second clamping groove matching the second clamping protrusion is arranged on the side wall of the annular shell of the third separator above the second annular boss. The second and third separators are connected by snapping with the second clamping protrusion and the second clamping groove, and a second inclined surface is arranged on the outer edge of the second annular boss. After the second and third separators are assembled, the connection is matched by the second annular boss, the second clamping protrusion, the second clamping groove and the second inclined surface to form a labyrinth gap sealing state; The separator air holes on the third separator are arranged correspondingly to the separator air holes on the first separator up and down; an annular sealing groove is arranged on the bottom end surface of the third separator, and a sealing ring is arranged in the annular sealing groove.

9. The rock salt aerosol generating device according to claim 1, characterized in that: The cup shell seals and fixes the aerosol generating structure inside; the base, lower liner, outer shell and top cover are threadedly assembled and connected in sequence, and a sealing ring is arranged between the lower liner and the base; the lower liner is threadedly assembled and connected to the upper liner, a sealing ring is arranged at the connection between the lower liner and the upper liner, and sealing rings are arranged at the connection between the upper liner and the separator; the top of the upper liner abuts against the inner side of the top of the outer shell; after the separator is assembled with the top cover and the outer shell, it is sealed against the separator supporting part of the upper liner, and the top of the separator extends upward into the top cover.

10. The rock salt aerosol generating device according to claim 1, characterized in that: Seal the air inlet connector at the air inlet of the base.

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