Liquid storage container and aerosol-generating device

Abstract

This application relates to the technical field of refill devices for atomized products, specifically disclosing a liquid storage container and an aerosol generating device. The liquid storage container includes a container body and a liquid supply component. The container body has a receiving cavity, a first connecting structure, and a liquid supply interface; the first connecting structure is used to connect the aerosol generating device; the liquid supply component is connected to the liquid supply interface and includes a cap and a liquid supply part movably connected to the cap, the liquid supply part including a liquid supply nozzle; the liquid storage container includes a liquid supply channel defined by one or more of the container body, cap, and liquid supply part; the liquid supply part and cap are in relative positions, the first end and the second end of the liquid supply channel are in a communicating state, and communicate with the outside of the receiving cavity. The liquid storage container of this application has a larger size and capacity, can provide more aerosol matrix, reduce replacement frequency, and the liquid storage container can be modified by corresponding modifications to the cap of a general-purpose refill bottle, the manufacturing cost is lower than that of a dedicated refill bottle, and it is easy to implement.

Description

Technical Field

[0001] This application relates to the technical field of liquid replenishment devices for atomized products, specifically to liquid storage containers and aerosol generating devices. Background Technology

[0002] Currently, in aerosol generating devices with dedicated replenishment bottles, the structure and size of the dedicated replenishment bottles need to meet the design requirements of the aerosol generating device. The capacity is generally small (usually 10ml). During use, the aerosol matrix has a short lifespan, requiring frequent replacement of new dedicated replenishment bottles, resulting in a poor user experience and relatively high usage costs. Summary of the Invention

[0003] The main technical problem this application addresses is that the dedicated replenishment bottle for aerosol generating devices in related technologies has limited structural dimensions, small capacity, and requires frequent replacement, which affects user experience and increases operating costs.

[0004] For one of the above purposes, this application provides a liquid storage container and an aerosol generating device.

[0005] One embodiment of this application provides a liquid storage container, comprising: a container body, the container body including a receiving cavity for containing liquid, the container body having a first connecting structure for connecting an aerosol generating device, the container body further including a liquid supply interface located at the liquid outlet end of the receiving cavity; a liquid supply assembly connected to the liquid supply interface, the liquid supply assembly including a cover and a liquid supply part movably connected to the cover, the liquid supply part including a liquid supply nozzle; wherein, the liquid storage container further includes at least one liquid supply channel, the liquid supply channel being defined and formed by one or more of the container body, the cover and the liquid supply part; the liquid supply part and the cover are configured to have at least one relative position, in the relative position, a first end of the liquid supply channel communicating with the receiving cavity, a second end of the liquid supply channel communicating with the outside of the container body, and the first end and the second end being in a connected state.

[0006] In one embodiment, the movement of the liquid supply section and the connection movement of the first connecting structure with the aerosol generating device are linked. During the process of connecting with the aerosol generating device, the first connecting structure drives the liquid supply section to move relative to the cover, so that the liquid supply section and the cover move to a relative position and connect the liquid supply channel with the liquid replenishment interface of the aerosol generating device.

[0007] In one embodiment, the minimum distance between the second end of the liquid supply channel and the central axis of the liquid supply nozzle is less than the minimum distance between the first end of the liquid supply channel and the central axis of the liquid supply nozzle.

[0008] In one embodiment, the liquid supply section has a first limiting structure. During the process of connecting the container body to the liquid replenishment interface of the aerosol generating device, the first limiting structure can form a limiting engagement with the second limiting structure of the liquid replenishment interface, so that the liquid supply section and the cover body can move relative to each other and be located in relative positions.

[0009] In one embodiment, the liquid supply section is threadedly connected to the cover; during the connection between the container body and the liquid replenishment interface, the first limiting structure can form an abutment limiting with the second limiting structure of the liquid replenishment interface in the circumferential direction, so that the liquid supply section can move spirally relative to the cover in the height direction and reach the relative position.

[0010] In one embodiment, the liquid supply section is threadedly connected to the cover; during the connection between the container body and the liquid replenishment interface, the first limiting structure can form an abutment limiting with the second limiting structure of the liquid replenishment interface in the circumferential direction, so that the liquid supply section can move spirally relative to the cover in the height direction and reach the relative position.

[0011] In one embodiment, the cover has a first connecting hole extending along the height direction; at least a portion of the liquid supply part passes through the first connecting hole and forms a movable connection with the first connecting hole; wherein, the liquid supply channel is located in the liquid supply part, the first end is located at the bottom end of the liquid supply part and communicates with the receiving cavity, the second end is located on the outer side wall of the liquid supply part, the second end is located in the first connecting hole and is closed in the initial state, and the second end is exposed outside the first connecting hole in the opposite position for communicating with the liquid replenishment interface; or, the liquid supply channel is located in the cover, the first end is located at the bottom end of the cover and communicates with the receiving cavity, the second end is located on the inner side wall of the first connecting hole, the second end is closed by the liquid supply part in the initial state, and the second end is exposed in the opposite position for communicating with the liquid replenishment interface.

[0012] In one embodiment, the cover has a first connecting hole extending along the height direction, and at least a portion of the liquid supply part passes through the first connecting hole and forms a movable connection with the first connecting hole; the liquid supply channel includes a first channel and a second channel; the first channel is located in the cover, one end of the first channel is located at the bottom end of the cover and forms a first end, and the other end of the first channel is located on the inner sidewall of the first connecting hole; the second channel is located in the liquid supply part, one end of the second channel is located on the sidewall of the liquid supply nozzle and forms a second end, and the other end of the second channel is located on the sidewall of the liquid supply part located in the first connecting hole; in relative positions, the end of the second channel located in the first connecting hole is at least partially aligned and connected with the end of the first channel located in the first connecting hole.

[0013] In one embodiment, the liquid supply unit further includes an end cap structure located at the bottom of the liquid supply nozzle, the diameter of the end cap structure being larger than the maximum diameter of the liquid supply nozzle; the cover body has a first connecting hole extending along the height direction, at least a portion of the end cap structure being located in the first connecting hole and forming a movable connection with the first connecting hole; the liquid supply channel includes a first channel and a second channel; the first channel is located in the cover body, one end of the first channel being located at the bottom end of the cover body and forming a first end, and the other end of the first channel being located on the inner sidewall of the first connecting hole; the second channel is located in the end cap structure, one end of the second channel being located on the top wall of the end cap structure and forming a second end, and the other end of the second channel being located on the sidewall of the end cap structure located within the first connecting hole; in relative positions, the end of the second channel located in the first connecting hole is at least partially aligned and connected with the end of the first channel located in the first connecting hole.

[0014] In one embodiment, the first connection structure includes one or more combinations of a threaded structure, a sliding structure, or a snap-fit ​​structure.

[0015] One embodiment of this application provides an aerosol generating device, comprising: a device body having a liquid storage chamber, an atomizing channel, and a liquid replenishment interface; the liquid storage chamber being used to store an aerosol matrix; the atomizing channel being disposed in the liquid storage chamber; the liquid replenishment interface being connected to the liquid storage chamber; and the liquid replenishment interface having a second connection structure; an atomizing component being disposed in the atomizing channel for atomizing the aerosol matrix to generate an aerosol; and a liquid storage container in any of the above embodiments, wherein the first connection structure of the container body is detachably connected to the second connection structure, and the receiving cavity is connected to the liquid replenishment interface.

[0016] In one embodiment, the liquid supply section has a first limiting structure; the liquid replenishment interface has a liquid taking tube, and the end of the liquid taking tube facing outward of the device body has a second limiting structure; during the connection process between the container body and the liquid replenishment interface, the liquid supply nozzle extends into the liquid taking tube, and the first limiting structure and the second limiting structure form an abutment limiting, so that the liquid supply section and the cover body generate relative movement and reach a relative position, and the receiving cavity is connected to the liquid taking tube through the liquid supply channel.

[0017] Based on the technical solution of the above embodiments, by improving and optimizing the liquid supply structure of the universal replenishment bottle, a liquid storage container that can be used in conjunction with an aerosol generation device for replenishment operations is formed. Compared with the existing dedicated replenishment bottle, the liquid storage container in this embodiment can be designed to have a larger size and capacity, thereby providing more aerosol matrix and reducing the frequency of replacing the liquid storage container. At the same time, the manufacturing cost of the liquid storage container is lower than that of the dedicated replenishment bottle. Only corresponding improvements need to be made to the cap of the universal replenishment bottle, without much structural change, which has a significant cost advantage and is easy to implement. Attached Figure Description

[0018] Figure 1This is a three-dimensional schematic diagram of a liquid storage container in one embodiment of this application.

[0019] Figure 2 This is a front view of a liquid storage container in one embodiment of this application.

[0020] Figure 3 This is a cross-sectional view of a liquid storage container in one embodiment of this application (the liquid supply channel is in a closed state).

[0021] Figure 4 This is a cross-sectional view of a liquid storage container in one embodiment of this application (the liquid supply channel is in a connected state).

[0022] Figure 5 This is a cross-sectional view of an aerosol generating apparatus according to one embodiment of this application.

[0023] Figure 6 This is a partial cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a connected state).

[0024] Figure 7 This is a cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a closed state).

[0025] Figure 8 This is a cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a connected state).

[0026] Figure 9 This is a cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a closed state).

[0027] Figure 10 This is a cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a connected state).

[0028] Figure 11 This is a cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a closed state).

[0029] Figure 12 This is a cross-sectional view of the liquid storage container in another embodiment of this application (the liquid supply channel is in a connected state).

[0030] Figure 13 This is a perspective view of an aerosol generating device in one embodiment of this application.

[0031] Figure 14 This is a schematic diagram of the internal structure of an aerosol generating device in one embodiment of this application.

[0032] Figure 15This is a schematic diagram of the internal structure of the aerosol generating device in another embodiment of this application (the liquid storage container is not connected and assembled).

[0033] In the above-mentioned figure, arrow F1 indicates the height direction; Figure 6 The dashed line in the diagram represents the central axis of the liquid supply nozzle.

[0034] Label Explanation:

[0035] 100 Liquid storage container, 1 container body, 10 receiving cavity, 11 first connecting structure, 12 liquid supply interface, 2 liquid supply assembly, 21 cover, 211 first connecting hole, 22 liquid supply part, 221 liquid supply nozzle, 222 first limiting structure, 225 end cap structure, 3 liquid supply channel, 311 first end, 312 second end, 321 first channel, 322 first liquid supply port, 331 second channel, 332 second liquid supply port;

[0036] 500 Aerosol generating device, 510 Device body, 511 Liquid storage chamber, 512 Atomizing channel, 5121 Nozzle, 513 Liquid replenishment interface, 514 Second connecting structure, 515 Liquid taking tube, 5151 Second limiting structure, 520 Atomizing component, 530 Power supply component. Detailed Implementation

[0037] The present application will now be described in further detail with reference to the accompanying drawings and specific embodiments. Similar elements in different embodiments are referred to by related similar element reference numerals. In the following embodiments, many details are described to facilitate a better understanding of the present application. However, those skilled in the art will readily recognize that some features may be omitted in different situations, or may be replaced by other elements, materials, or methods. In some cases, certain operations related to the present application are not shown or described in the specification. This is to avoid obscuring the core parts of the present application with excessive description. For those skilled in the art, detailed description of these related operations is not necessary; they can fully understand the related operations based on the description in the specification and general technical knowledge in the art.

[0038] Furthermore, the features, operations, or characteristics described in the specification can be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can be rearranged or adjusted in a manner obvious to those skilled in the art. Therefore, the various orders in the specification and drawings are only for the clear description of a particular embodiment and do not imply a necessary order, unless otherwise stated that a particular order must be followed.

[0039] The serial numbers assigned to components in this document, such as "first" and "second," are used only to distinguish the described objects and have no sequential or technical meaning. The terms "connection" and "linkage" used in this application, unless otherwise specified, include both direct and indirect connections (linkages).

[0040] In related technologies, one type of replenishment-type aerosol generating device has a small-capacity reservoir (typically 2 ml) and a dedicated replenishment bottle (typically 10 ml) for replenishing the aerosol matrix into the reservoir. This dedicated replenishment bottle often has a flat-mouth structure with a silicone valve at the mouth. This valve opens after connection to the aerosol generating device, allowing communication between the replenishment bottle and the device. Because this dedicated replenishment bottle is custom-sized and its capacity cannot be increased, frequent replacements are required, resulting in a poor user experience and high manufacturing costs.

[0041] In addition, there is a type of universal replenishment bottle in the related technology. This type of replenishment bottle has a large capacity and uses a standard size, with a filling nozzle at the bottle mouth for filling liquid into open nebulizers. However, due to differences in structural design, this type of replenishment bottle cannot be used interchangeably with the aforementioned dedicated replenishment bottle and cannot be used for replenishing liquid in the aforementioned aerosol generating equipment.

[0042] The liquid storage container provided in this application is an improvement and optimization based on a general-purpose replenishment bottle, enabling it to be used in conjunction with a replenishment-type aerosol generating device and to replenish the aerosol matrix to the aerosol generating device. Compared with a dedicated replenishment bottle, the liquid storage container of this application has a general-purpose structure and can be designed with a larger size and capacity, thereby providing more aerosol matrix, reducing the frequency of replacement during use, and reducing manufacturing costs.

[0043] The following describes some embodiments of the liquid storage container and aerosol generating device provided in this application, with reference to the accompanying drawings.

[0044] One embodiment of this application provides a liquid storage container 100, such as... Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, the liquid storage container 100 includes a container body 1 and a liquid supply assembly 2. The container body 1 has a receiving cavity 10 for storing aerosol matrix; the liquid outlet end of the receiving cavity 10 is provided with a liquid supply interface 12 for docking with the liquid replenishment interface 513 of the aerosol generating device 500. The container body 1 is provided with a first connecting structure 11 for connecting with the aerosol generating device 500 when docking. The liquid supply assembly 2 is connected to the liquid supply interface 12 of the container body 1 for supplying aerosol matrix to the aerosol generating device 500; the liquid supply assembly 2 includes a cover 21 and a liquid supply section 22, the liquid supply section 22 being movably connected to the cover 21 to generate relative movement; the liquid supply section 22 includes a liquid supply nozzle 221 for performing conventional liquid injection operations. The liquid supply container also includes at least one liquid supply channel 3, which is defined by one or more of the container body 1, the cover 21, and the liquid supply part 22, and the liquid supply channel 3 can change with the movement of the liquid supply part 22 relative to the cover 21. The two ends of the liquid supply channel 3 are a first end 311 and a second end 312, respectively, and the liquid supply part 22 and the cover 21 are configured to have at least one relative position; when the liquid supply part 22 and the cover 21 are in this relative position, such as... Figure 3 As shown in the diagram, the first end 311 of the liquid supply channel 3 is connected to the receiving cavity 10 of the container body 1, and the second end 312 of the liquid supply channel 3 is connected to the outside of the container, with the first end 311 and the second end 312 in a connected state. At this time, the second end 312 of the liquid supply channel 3 can be connected to the liquid replenishment interface 513 of the aerosol generating device 500, such as... Figure 5 The state shown in the figure allows the aerosol matrix in the receiving cavity 10 to be replenished into the aerosol generating device 500, completing the liquid replenishment operation.

[0045] When the liquid storage container 100 is connected and assembled with the aerosol generating device 500, the liquid supply unit 22 can be moved to a relative position, such as... Figure 3 The state shown in the diagram is such that the liquid supply channel 3 remains connected; after the liquid storage container 100 is separated from the aerosol generating device 500, the liquid supply section 22 can be moved away from this relative position to close the liquid supply channel 3. Figure 4 The state shown is to prevent leakage.

[0046] Depending on the specific connection method between the container body 1 and the aerosol generating device 500, the first connection structure 11 can adopt a corresponding structural form, and the first connection structure 11 can be set at a corresponding position on the container body 1, for example... Figure 3 and Figure 4The liquid supply interface 12 is shown on the outside. Of course, in some examples, the first connection structure 11 can also be located at a local or circumferential position on the outer wall of the container body 1, at the port or inside the port of the liquid supply interface 12, so as to achieve connection and assembly with the liquid replenishment interface 513 of the aerosol generating device 500. In addition, the connection between the cover 21 and the container body 1 can be set as a detachable connection, such as a threaded connection, snap-fit, interference fit, etc. Of course, in some cases it can also be set as an integral structure.

[0047] When in use, the following methods can be used for liquid replenishment: After the liquid storage container 100 is connected and assembled with the aerosol generating device 500, such as... Figure 5 As shown in the diagram, the aerosol generating device 500 and the liquid storage container 100 can be inverted as a whole, so that the aerosol matrix in the liquid storage container 100 can flow into the aerosol generating device 500 through the liquid supply channel 3 by using gravity.

[0048] The liquid supply nozzle 221 has a conventional structure with a small inner diameter. Under normal conditions, the aerosol matrix in the receiving cavity 10 will not flow out through the liquid supply nozzle 221. Only when the container body 1 is squeezed will the aerosol matrix in the receiving cavity 10 flow out through the liquid supply nozzle 221 under pressure. The container body 1 adopts a soft structure so that it can deform under compression to extrude the internal aerosol matrix.

[0049] The liquid storage container 100 in this embodiment is formed by improving and optimizing the liquid supply structure of a general-purpose replenishment bottle, thus creating a liquid storage container 100 that can be used in conjunction with the aerosol generating device 500 for replenishment operations. Compared with existing dedicated replenishment bottles, the liquid storage container 100 in this embodiment can be designed to have a larger size and capacity, thereby providing more aerosol matrix and reducing the frequency of replacing the liquid storage container 100. At the same time, the manufacturing cost of the liquid storage container 100 is lower than that of dedicated replenishment bottles, requiring only corresponding improvements to the cap of the general-purpose replenishment bottle without much structural changes, resulting in a significant cost advantage and ease of implementation.

[0050] In one embodiment, such as Figures 3 to 5In the example, the relative movement of the liquid supply section 22 of the liquid storage container 100 and the connection movement of the first connecting structure 11 with the aerosol generating device 500 are linked. During the connection process between the container body 1 and the aerosol generating device 500 via the first connecting structure 11, the liquid supply section 22 can be moved relative to the cover 21, thereby moving the liquid supply section 22 to a relative position with the cover 21, making the liquid supply channel 3 connected, and connecting the receiving cavity 10 of the container body 1 with the replenishment interface 513 of the aerosol generating device 500 through the liquid supply channel 3, so that corresponding replenishment operations can be performed. The movement of the liquid supply section 22 relative to the cover 21 includes, but is not limited to, spiral movement, sliding, and rotation (including horizontal rotation and lateral deflection). Through the above-mentioned linkage design, the liquid supply section 22 of the liquid storage container 100 can move automatically when connected to the aerosol generating device 500, and the liquid supply channel 3 can be opened. No additional manual operation is required, and no additional drive mechanism is required. The liquid replenishment operation is more convenient, and the structure is relatively simple and the cost is low.

[0051] In one embodiment, such as Figure 3 and Figure 4 In the example, the liquid outlet direction of the liquid supply channel 3 is consistent with the liquid outlet direction of the liquid supply nozzle 221, that is, both flow outward from the receiving cavity 10. Specifically, with Figure 3 For example, the liquid outflow direction can generally flow from bottom to top along the height direction. The liquid outflow path can extend along a straight line, or along a curve or bend. The overall flow direction is basically consistent with the height direction.

[0052] In one embodiment, such as Figure 6In the example above, under static conditions, the minimum distance between the second end 312 of the liquid supply channel 3 and the central axis of the liquid supply nozzle 221 is less than the minimum distance between the first end 311 of the liquid supply channel 3 and the central axis of the liquid supply nozzle 221. In simpler terms, the second end 312 of the liquid supply channel 3 is closer to the outlet of the liquid supply nozzle 221 than the first end 311; that is, the second end 312 is located closer to the outlet of the liquid supply nozzle 221 than the first end 311. When the liquid storage container 100 is connected and assembled with the aerosol generating device 500, it facilitates the connection of the replenishment interface 513 with the second end 312 of the liquid supply channel 3 and the liquid supply nozzle 221. In a specific example, the distance between the second end 312 of the liquid supply channel 3 and the central axis of the liquid supply nozzle 221 is in the range of 5 mm to 20 mm. It is understandable that the aerosol generating device 500 is relatively compact in size, and the space for the liquid replenishment interface 513 is limited. If the second end 312 of the liquid supply channel 3 is far from the liquid supply nozzle 221, in order to simultaneously connect with the liquid replenishment interface 513, it may be necessary to design a larger liquid replenishment interface 513, occupying more space in the aerosol generating device 500, or multiple different liquid replenishment interfaces 513 need to be set on the aerosol generating device 500, resulting in a more complex structure of the aerosol generating device 500 and correspondingly increasing the manufacturing cost of the aerosol generating device 500. In this embodiment, the liquid supply channel 3 is arranged in a way that makes the structure of the liquid supply component 2 more compact, effectively overcoming the above problems, and can effectively cooperate with the existing aerosol generating device 500, making it easy to implement.

[0053] In one embodiment, such as Figures 2 to 5 As shown, in the liquid storage container 100, the liquid supply section 22 is provided with a first limiting structure 222. During the connection and assembly process between the container body 1 and the liquid replenishment interface 513 of the aerosol generating device 500, the first limiting structure 222 can form a limiting engagement with the second limiting structure 5151 of the liquid replenishment interface 513. This allows the second limiting structure 5151 and the first limiting structure 222 to transmit force to the liquid supply section 22, thereby causing the liquid supply section 22 to move relative to the cover 21 during the relative movement of the container body 1 and the liquid replenishment interface 513. This motion linkage ensures that the liquid supply section 22 and the cover 21 are in a relative position, thus opening the liquid supply channel 3. The location of the first limiting structure 222 is not limited to the outer wall of the liquid supply nozzle 221 shown in the figure; it can also be located at other positions on the liquid supply section 22. Specifically, the location can be determined based on the specific structural form of the liquid replenishment interface 513 of the aerosol generating device 500 and the second limiting structure 5151.

[0054] In one exemplary embodiment, the first limiting structure 222 may adopt the following... Figures 3 to 5 The protruding structure shown in the figure, the second limiting structure 5151 can be adopted as follows: Figure 5The protruding structure shown can abut and form a limit between the first limiting structure 222 and the second limiting structure 5151. This abutment can be in the circumferential direction, the height direction, or the lateral direction. Of course, in some examples, the first limiting structure 222 and the second limiting structure 5151 can also adopt other structural forms. For example, one can be a protruding structure, and the other a slot or groove structure; these will not be listed here.

[0055] In one embodiment, such as Figures 3 to 5 As shown, in the liquid storage container 100, the liquid supply part 22 of the liquid supply assembly 2 is threadedly connected to the cover 21, meaning that the liquid supply part 22 can move spirally relative to the cover 21 in the height direction. When the container body 1 is connected and assembled with the liquid replenishment interface 513 of the aerosol generating device 500, as the container body 1 moves in the height direction, the first limiting structure 222 on the container body 1 and the second limiting structure 5151 of the liquid replenishment interface 513 form an abutment limit in the circumferential direction, so as to generate a certain driving force on the liquid supply part 22, causing the liquid supply part 22 and the cover 21 to rotate spirally, so that the liquid supply part 22 and the cover 21 are in a relative position, opening the liquid supply channel 3 so that the corresponding liquid replenishment operation can be performed. Depending on the specific structural form of the liquid supply channel 3, the spiral movement direction of the liquid supply part 22 relative to the cover 21 is also different. It is possible that the liquid supply part 22 moves outward from the cover 21 through spiral movement to reach a relative position and open the liquid supply channel 3, or it is possible that the liquid supply part 22 moves inward from the cover 21 through spiral movement to reach a relative position and open the liquid supply channel 3. Specifically, the corresponding thread direction can be set to realize different movement directions of the liquid supply part 22.

[0056] In one embodiment, such as Figure 6 As shown, the liquid supply part 22 of the liquid supply assembly 2 is slidably connected to the cover 21, and the liquid supply part 22 can slide relative to the cover 21 in the height direction. When the container body 1 is connected and assembled with the liquid replenishment interface 513, the first limiting structure 222 of the container body 1 can form an abutment limiting with the second limiting structure 5151 of the liquid replenishment interface 513 in the height direction. For example Figure 6In the example shown, the second limiting structure 5151 is located above the first limiting structure 222. As the container body 1 gradually approaches the liquid replenishment port 513 along the height direction, the second limiting structure 5151 generates an opposite pushing force through the first limiting structure 222, pushing the liquid supply part 22 to slide relative to the cover 21 along the height direction. The sliding direction is opposite to the movement direction of the container body 1 and the cover 21, thereby reaching the relative position and opening the liquid supply channel 3. Of course, in some examples, the liquid supply part 22 can also be set to slide relative to the cover 21 in the lateral or other directions under the action of the second limiting structure 5151 and the first limiting structure 222, thereby reaching the relative position and opening the liquid supply channel 3. The specific configuration can be adjusted according to the different structural forms of the liquid supply channel 3.

[0057] In one embodiment, the liquid supply section 22 of the liquid supply assembly 2 is rotatably connected to the cover 21. The liquid supply section 22 can rotate relative to the cover 21, specifically including horizontal rotation and lateral deflection. For example, a corresponding notch can be provided in a local area of ​​the contact surface between the liquid supply section 22 and the cover 21, so that when the liquid supply section 22 rotates horizontally to a relative position, the notch allows the first end 311 and the second end 312 of the liquid supply channel 3 to be connected. Alternatively, a ball valve structure or a universal joint structure can be provided at the connection between the liquid supply section 22 and the cover 21, and a corresponding flow channel can be provided on the ball valve structure or universal joint structure as part of the liquid supply channel 3, so that when the liquid supply section 22 deflects a certain angle relative to the cover 21 to reach a relative position, the liquid supply channel 3 is connected, which can also realize the liquid supply operation to the aerosol generating device 500 through the liquid supply channel 3.

[0058] In one embodiment, such as Figure 3 and Figure 4 As shown, in the liquid supply assembly 2, the cover 21 is provided with a first connecting hole 211 that extends through the height direction, and at least a portion of the liquid supply part 22 passes through the first connecting hole 211 to form a movable connection with the first connecting hole 211, so that the liquid supply part 22 can move relative to the first connecting hole 211.

[0059] In one specific example, the liquid supply channel 3 is disposed in the liquid supply section 22. The first end 311 of the liquid supply channel 3 is located at the bottom of the liquid supply section 22 to maintain communication with the receiving cavity 10; the second end 312 of the liquid supply channel 3 is located on the outer wall of the liquid supply section 22 and corresponds to the first connecting hole 211. In the initial state, as shown... Figure 3 In the state shown, the second end 312 of the liquid supply channel 3 is located inside the first connecting hole 211 and is sealed by the inner wall of the first connecting hole 211. At this time, the liquid supply channel 3 is in a closed state. When the liquid supply part 22 moves to the relative position, as shown... Figure 4As shown in the diagram, the second end 312 of the liquid supply channel 3 protrudes outside the first connection hole 211. After the container body 1 is connected and assembled with the liquid replenishment interface 513 of the aerosol generating device 500, as... Figure 5 In the example, the liquid supply section 22 moves to a relative position, so that the second end 312 of the liquid supply channel 3 is exposed and connected to the liquid replenishment interface 513, so that the aerosol matrix in the receiving cavity 10 of the container body 1 can flow into the aerosol generating device 500 through the liquid supply channel 3.

[0060] In a specific example, such as Figure 7 and Figure 8 As shown, the liquid supply channel 3 is disposed in the cover 21. The first end 311 of the liquid supply channel 3 is located at the bottom end of the liquid supply part 22 to communicate with the receiving cavity 10, and the second end 312 of the liquid supply channel 3 is located on the inner wall of the first connecting hole 211 to correspond to the liquid supply part 22. In the initial state, as Figure 7 As shown in the diagram, the second end 312 of the liquid supply channel 3 is closed by the liquid supply section 22, at which time the liquid supply channel 3 is in a closed state; when the liquid supply section 22 moves to the relative position, as... Figure 8 As shown, the second end 312 of the liquid supply channel 3 is exposed. A stepped or notched structure can be provided on the outer wall of the liquid supply section 22 to remove obstruction of the second end 312 of the liquid supply channel 3 at a relative position. After the container body 1 is connected and assembled with the aerosol generating device 500, the second end 312 of the liquid supply channel 3 communicates with the replenishment interface 513, allowing the receiving cavity 10 of the container body 1 to communicate with the replenishment interface 513, so that the aerosol matrix in the receiving cavity 10 can flow into the aerosol generating device 500 via the liquid supply channel 3 and the replenishment interface 513.

[0061] In one embodiment, such as Figure 9 and Figure 10As shown, the cover 21 of the liquid supply assembly 2 is provided with a first connecting hole 211 extending along the height direction. At least a portion of the liquid supply part 22 passes through the first connecting hole 211 to form a movable connection with the first connecting hole 211, allowing the liquid supply part 22 to move relative to the first connecting hole 211. The liquid supply channel 3 includes a first channel 321 and a second channel 331, wherein the first channel 321 is located in the cover 21 and the second channel 331 is located in the liquid supply part 22. One end of the first channel 321 is located at the bottom end of the cover 21 and communicates with the receiving cavity 10 to form the first end 311 of the liquid supply channel 3; the other end of the first channel 321 is located on the inner sidewall of the first connecting hole 211 to form the first liquid supply port 322. Correspondingly, one end of the second flow channel 331 is located on the side wall of the liquid supply nozzle 221 and communicates with the outside to form the second end 312 of the liquid supply channel 3, and the other end of the second flow channel 331 is located on the side wall of the liquid supply part 22 located inside the first connecting hole 211 to form the second liquid supply port 332. In the initial state, as... Figure 9 As shown in the diagram, the first liquid supply port 322 and the second liquid supply port 332 are misaligned, causing both the first flow channel 321 and the second flow channel 331 to be closed at one end, thus sealing the liquid supply channel 3. When the liquid supply section 22 moves to the relative position, as... Figure 10 As shown in the diagram, the first liquid supply port 322 and the second liquid supply port 332 are at least partially aligned and connected, that is, one end of the first flow channel 321 located in the first connecting hole 211 and the other end of the second flow channel 331 located in the first connecting hole 211 are at least partially aligned and connected, so that the liquid supply flow channel 3 is in a connected state. When the container body 1 is connected and assembled with the aerosol generating device 500, the liquid supply part 22 and the cover 21 are in relative positions, and the receiving cavity 10 of the container body 1 is connected to the liquid replenishment interface 513 of the aerosol generating device 500 through the liquid supply flow channel 3, so that the aerosol matrix in the receiving cavity 10 can flow into the aerosol generating device 500 through the liquid supply flow channel 3 and the liquid replenishment interface 513.

[0062] In one embodiment, such as Figure 11 and Figure 12As shown, the cover 21 of the liquid supply assembly 2 has a first connecting hole 211 extending along the height direction. The liquid supply part 22 includes a liquid supply nozzle 221 and an end cap structure 225 located at the bottom of the liquid supply nozzle 221. The diameter of the end cap structure 225 is larger than the maximum diameter of the liquid supply nozzle 221, so that the end cap structure 225 serves as the base of the liquid supply nozzle 221. The shape and size of the first connecting hole 211 are adapted to the end cap structure 225, and at least a portion of the end cap structure 225 is located in the first connecting hole 211 to form a movable connection with the first connecting hole 211. The end cap structure 225 can move relative to the first connecting hole 211 to drive the liquid supply nozzle 221 to move relative to the cover 21. Correspondingly, the liquid supply channel 3 includes a first channel 321 and a second channel 331; the first channel 321 is located in the cover 21, and the second channel 331 is located in the end cap structure 225. One end of the first flow channel 321 is located at the bottom end of the cover 21 and communicates with the receiving cavity 10 to form the first end 311 of the liquid supply channel 3; the other end of the first flow channel 321 is located on the inner side wall of the first connecting hole 211 to form the first liquid supply port 322. One end of the second flow channel 331 is located on the top wall of the end cap structure 225 and communicates with the outside to form the second end 312 of the liquid supply channel 3; the other end of the second flow channel 331 is located on the side wall of the end cap structure 225 inside the first connecting hole 211 to form the second liquid supply port 332. In the initial state, as Figure 11 As shown in the diagram, the first liquid supply port 322 and the second liquid supply port 332 are misaligned, causing both the first flow channel 321 and the second flow channel 331 to be closed at one end, thus sealing the liquid supply channel 3. When the liquid supply section 22 moves to the relative position, as... Figure 12 As shown in the diagram, the first liquid supply port 322 and the second liquid supply port 332 are at least partially aligned and connected, that is, one end of the first flow channel 321 located in the first connecting hole 211 and the other end of the second flow channel 331 located in the first connecting hole 211 are at least aligned and connected, so that the liquid supply flow channel 3 is in a connected state. When the container body 1 is connected and assembled with the aerosol generating device 500, the liquid supply part 22 and the cover 21 are in relative positions, and the receiving cavity 10 of the container body 1 is connected to the liquid replenishment interface 513 of the aerosol generating device 500 through the liquid supply flow channel 3, so that the aerosol matrix in the receiving cavity 10 can flow into the aerosol generating device 500 through the liquid supply flow channel 3 and the liquid replenishment interface 513.

[0063] Compared to Figure 3 and Figure 4 ,as well as Figure 9 and Figure 10As shown in the diagram, in this embodiment, the liquid supply assembly 2 has the second flow channel 331 set in the end cap structure 225. Since the end cap structure 225 is larger than the liquid supply nozzle 221, more space can be reserved for setting the second flow channel 331. Compared with the method of directly setting the liquid supply channel 3 or the second flow channel 331 at the bottom of the liquid supply nozzle 221, the manufacturing difficulty is reduced. The size limit of the liquid supply channel 3 is relatively small, and a larger liquid supply channel 3 can be designed according to the requirements to improve the liquid supply efficiency.

[0064] In an exemplary embodiment, at least a portion of the liquid supply channel 3 may be disposed in the container body 1, for example, at the liquid supply interface 12. In this case, the specific structure of the liquid supply component 2 may be configured accordingly based on the form of the liquid supply channel 3, so as to enable the liquid supply channel 3 to be open in a relative position, so as to supply liquid to the aerosol generating device 500 through the liquid supply channel 3.

[0065] In one embodiment, such as Figure 1 , Figure 2 and Figure 5 As shown, the first connection structure 11 is a threaded structure, and correspondingly, a threaded structure is provided at the liquid replenishment interface 513 of the aerosol generating device 500. For example... Figure 5 In the example, the first connecting structure 11 is specifically an external thread structure, while the liquid replenishment interface 513 is provided with an internal thread structure, so that the liquid supply interface 12 of the container body 1 can be threadedly engaged with the liquid replenishment interface 513. By rotating the container body 1, the entire liquid storage container 100 moves in a spiral motion relative to the liquid replenishment interface 513, thereby completing the connection and assembly with the liquid replenishment interface 513. During the spiral motion of the container body 1 relative to the liquid replenishment interface 513, the liquid supply part 22 of the liquid supply component 2 generates a linkage motion to move to a position relative to the cover 21, so that the liquid supply channel 3 is opened, so that the aerosol matrix can be replenished to the aerosol generating device 500 through the liquid supply channel 3.

[0066] In some exemplary embodiments, the first connecting structure 11 may also adopt other structural forms, such as a sliding structure or a snap-fit ​​structure. Correspondingly, the liquid replenishment interface 513 of the aerosol generating device 500 is also configured to be adapted to the first connecting structure 11 so as to form a sliding connection or snap-fit ​​with the first connecting structure 11.

[0067] In addition, in some exemplary embodiments, the first connection structure 11 may be configured as a combination of multiple structural forms including threaded structure, sliding structure or snap-fit ​​structure, to form a composite connection with the liquid replenishment interface 513 of the aerosol generating device 500. Specific connection methods will not be listed one by one here.

[0068] One embodiment of this application provides an aerosol generating apparatus 500, such as... Figure 5 , Figure 13 and Figure 14 As shown, the aerosol generating device 500 includes a device body 510, an atomizing component 520, and a liquid storage container 100 as described in any of the above embodiments. The device body 510 has a liquid storage chamber 511, an atomizing channel 512, and a liquid replenishment port 513. The liquid storage chamber 511 is used to store the aerosol matrix. The atomizing channel 512 is disposed in the liquid storage chamber 511 to provide space for the atomization of the aerosol matrix and to allow airflow to pass through. The atomizing component 520 is disposed in the atomizing channel 512. The aerosol matrix in the liquid storage chamber 511 can flow into the atomizing component 520 and be atomized by the atomizing component 520 to generate aerosol. After the airflow in the atomizing channel 512 mixes with the aerosol, it is discharged outward through the outlet of the atomizing channel 512. The liquid replenishment port 513 is connected to the liquid storage chamber 511, and a second connection structure 514 is provided at the liquid replenishment port 513 for connecting to the liquid storage container 100. When the container body 1 of the liquid storage container 100 is assembled with the liquid replenishment interface 513, such as Figure 5 In the example, the first connecting structure 11 on the container body 1 can form a detachable connection with the second connecting structure 514 of the liquid replenishment interface 513, and make the liquid supply channel 3 of the liquid storage container 100 open, so that the receiving cavity 10 of the container body 1 is connected to the liquid replenishment interface 513, so that the aerosol matrix in the receiving cavity 10 can be replenished to the liquid storage cavity 511 through the liquid supply channel 3 and the liquid replenishment interface 513 for the atomizing component 520 to perform atomization operation.

[0069] In some embodiments, the atomizing component 520 can be a heating component, which atomizes the aerosol matrix into an aerosol by heating; in some embodiments, the atomizing component 520 can also be an ultrasonic component, which atomizes the aerosol matrix into an aerosol by ultrasonication; it should be noted that, in addition to heating and ultrasonication, the atomizing component can also atomize the aerosol matrix by other means, such as jetting and spraying, which will not be described in detail in this application.

[0070] In one embodiment, such as Figure 5 As shown, after the liquid storage container 100 is connected and assembled with the liquid replenishment interface 513 of the device body 510, the liquid supply channel 3 is opened. At this time, the aerosol generating device 500 can be inverted as a whole so that the aerosol matrix in the receiving cavity 10 can flow into the liquid storage cavity 511 by using gravity.

[0071] In one embodiment, such as Figure 5 and Figure 13 As shown, a suction nozzle 5121 may be provided on the top of the main body 510 of the device. The suction nozzle 5121 is connected to the outlet end of the atomizing channel 512 so that the aerosol gas generated in the atomizing channel 512 can be discharged through the suction nozzle 5121 for suction.

[0072] In one embodiment, such as Figure 5 and Figure 14 As shown, the aerosol generating device 500 also includes a power supply component 530, which is disposed in the device body 510 and electrically connected to the atomizing component 520 to supply power to the atomizing component 520, enabling the atomizing component 520 to operate in a powered state, thereby atomizing the aerosol matrix and generating aerosols. The power supply component 530 may include an electrically connected battery and an electronic control board, with the electronic control board controlling the battery to supply power to the atomizing component 520.

[0073] In one embodiment, a liquid intake tube 515 is provided in the liquid replenishment interface 513 of the device body 510. When connected to the liquid storage container 100, the liquid intake tube 515 can cooperate with the liquid supply component 2 to communicate with the liquid supply channel 3, assisting the aerosol matrix to flow into the liquid storage chamber 511. The liquid supply part 22 of the liquid supply component 2 is provided with a first limiting structure 222, and the liquid intake tube 515 is provided with a corresponding second limiting structure 5151. During connection and assembly, the liquid supply nozzle 221 can extend into the liquid intake tube 515. Simultaneously, the second limiting structure 5151 can form a limiting cooperation with the first limiting structure 222, so that the liquid supply part 22 and the cover 21 generate relative movement and conductive relative position, thereby opening the liquid supply channel 3 to connect the receiving chamber 10 and the liquid intake tube 515, allowing the aerosol matrix in the receiving chamber 10 to be replenished into the liquid storage chamber 511 via the liquid supply channel 3 and the liquid intake tube 515.

[0074] In one exemplary embodiment, such as Figure 5 In the example, the first connecting structure 11 uses an external thread, and the second connecting structure 514 uses an internal thread structure. The two can form a threaded fit so that the container body 1 can be connected and assembled with the liquid dispensing interface through a helical motion.

[0075] In one exemplary embodiment, such as Figure 5 In the example, the first limiting structure 222 can be configured as a protrusion on the outer wall of the liquid supply nozzle 221, while the second limiting structure 5151 can be configured as a protrusion on the liquid storage inside the liquid dispensing tube 515. The two can abut against each other to form an abutment limiting in the circumferential or height direction.

[0076] In one exemplary embodiment, such as Figure 3 , Figure 4 and Figure 15 In the example, the first limiting structure 222 can be configured as a protrusion on the outer wall of the liquid supply nozzle 221, and the second limiting structure 5151 can be configured as a slot on the side wall of the liquid extraction tube 515. The second limiting structure 5151 and the first limiting structure 222 can form a plug-in fit to form a limiting fit in the circumferential or height direction.

[0077] Of course, in some specific examples, the first limiting structure 222 and the second limiting structure 5151 can also adopt other structural forms, such as protrusions and grooves, which will not be listed one by one here.

[0078] The aerosol generating device 500 in this embodiment can replenish the aerosol matrix into the storage chamber 511 through the connection and cooperation between the storage container 100 and the device body 510. The storage container 100 has the advantages of a universal replenishment bottle with a large capacity, which can provide more aerosol matrix compared with a dedicated replenishment bottle. During use, the frequency of replacing the storage container 100 can be reduced, which is beneficial to improving the user experience. At the same time, in this embodiment, the storage container 100 only needs to be modified in the cap part of the universal replenishment bottle. There is no need to make too many structural changes to the overall structure or to make special customization. Compared with a dedicated replenishment bottle, it has a significant cost advantage and is easy to implement.

[0079] Furthermore, the aerosol generating device 500 in this embodiment also has all the beneficial effects of the liquid storage container 100 in any of the above embodiments, which will not be repeated here.

[0080] This document describes various exemplary embodiments with reference to them. However, those skilled in the art will recognize that changes and modifications can be made to the exemplary embodiments without departing from the scope of this document. For example, various operational steps and components for performing operational steps can be implemented in different ways depending on the specific application or considering any number of cost functions associated with the operation of the system (e.g., one or more steps can be deleted, modified, or combined with other steps).

[0081] While the principles herein have been illustrated in various embodiments, numerous modifications to the structures, arrangements, proportions, elements, materials, and components, particularly suited to specific environments and operational requirements, may be used without departing from the principles and scope of this disclosure. These modifications and other alterations or alterations will be included within the scope of this document. Those skilled in the art will recognize that many changes can be made to the details of the above embodiments without departing from the fundamental principles of this application.

Claims

1. A liquid storage container, characterized in that, include: The container body includes a receiving cavity for containing liquid, the container body has a first connecting structure for connecting an aerosol generating device, and the container body also includes a liquid supply port located at the liquid outlet end of the receiving cavity. A liquid supply assembly is connected to the liquid supply interface. The liquid supply assembly includes a cover and a liquid supply part movably connected to the cover. The liquid supply part includes a liquid supply nozzle. The liquid storage container further includes at least one liquid supply channel, which is defined by one or more of the container body, the cover and the liquid supply part. The liquid supply section and the cover are configured to have at least one relative position, wherein in the relative position, a first end of the liquid supply channel communicates with the receiving cavity, a second end of the liquid supply channel communicates with the outside of the container body, and the first end and the second end are in a connected state.

2. The liquid storage container according to claim 1, characterized in that, The movement of the liquid supply section is linked to the connection movement between the first connecting structure and the aerosol generating device. During the process of connecting the first connecting structure to the aerosol generating device, the liquid supply section moves relative to the cover body, so that the liquid supply section and the cover body move to the relative position, and the liquid supply channel is connected to the liquid replenishment interface of the aerosol generating device.

3. The liquid storage container according to claim 2, characterized in that, The minimum distance between the second end of the liquid supply channel and the central axis of the liquid supply nozzle is less than the minimum distance between the first end of the liquid supply channel and the central axis of the liquid supply nozzle.

4. The liquid storage container according to claim 2, characterized in that, The liquid supply section has a first limiting structure. During the process of connecting the container body to the liquid replenishment interface of the aerosol generating device, the first limiting structure can form a limiting engagement with the second limiting structure of the liquid replenishment interface, so that the liquid supply section and the cover body can move relative to each other and be located at the relative position.

5. The liquid storage container according to claim 4, characterized in that, The liquid supply section is threadedly connected to the cover body; During the connection between the container body and the liquid replenishment port, the first limiting structure can form an abutment limit with the second limiting structure of the liquid replenishment port in the circumferential direction, so that the liquid supply part can move spirally relative to the cover in the height direction and reach the relative position.

6. The liquid storage container according to claim 4, characterized in that, The liquid supply unit is slidably connected to the cover in the height direction. During the connection between the container body and the liquid replenishment port, the first limiting structure can form an abutment limiting with the second limiting structure of the liquid replenishment port in the height direction, so that the liquid supply unit moves to the relative position in the height direction; or... The liquid supply unit is rotatably connected to the cover. During the process of connecting the container body to the liquid replenishment interface of the aerosol generating device, the first limiting structure can abut against the second limiting structure of the liquid replenishment interface, so that the liquid supply unit rotates relative to the cover and reaches the relative position.

7. The liquid storage container according to claim 4, characterized in that, The cover has a first connecting hole that extends along the height direction; At least a portion of the liquid supply unit passes through the first connection hole and forms a movable connection with the first connection hole; The liquid supply channel is located in the liquid supply section. The first end is located at the bottom end of the liquid supply section and communicates with the receiving cavity. The second end is located on the outer wall of the liquid supply section. In the initial state, the second end is located inside the first connecting hole and is closed. In the relative position, the second end protrudes outside the first connecting hole to communicate with the liquid replenishment interface; or, The liquid supply channel is located in the cover body. The first end is located at the bottom end of the cover body and communicates with the receiving cavity. The second end is located on the inner wall of the first connecting hole. In the initial state, the second end is closed by the liquid supply part. In the relative position, the second end is exposed to communicate with the liquid replenishment interface.

8. The liquid storage container according to claim 4, characterized in that, The cover has a first connecting hole that extends along the height direction, and at least a portion of the liquid supply part passes through the first connecting hole and forms a movable connection with the first connecting hole. The liquid supply channel includes a first channel and a second channel; The first flow channel is located in the cover, one end of the first flow channel is located at the bottom end of the cover and forms the first end, and the other end of the first flow channel is located on the inner wall of the first connecting hole; The second flow channel is located in the liquid supply section, one end of the second flow channel is located on the side wall of the liquid supply nozzle and forms the second end, and the other end of the second flow channel is located on the side wall of the liquid supply section located in the first connecting hole; In the relative positions, the end of the second flow channel located in the first connecting hole is at least partially aligned and connected to the end of the first flow channel located in the first connecting hole.

9. The liquid storage container according to claim 4, characterized in that, The liquid supply unit also includes an end cap structure located at the bottom of the liquid supply nozzle, the diameter of which is larger than the maximum diameter of the liquid supply nozzle; The cover has a first connecting hole extending along the height direction, and at least a portion of the end cap structure is located in the first connecting hole and forms a movable connection with the first connecting hole; The liquid supply channel includes a first channel and a second channel; The first flow channel is located in the cover, one end of the first flow channel is located at the bottom end of the cover and forms the first end, and the other end of the first flow channel is located on the inner wall of the first connecting hole; The second flow channel is located in the end cap structure, one end of the second flow channel is located on the top wall of the end cap structure and forms the second end, and the other end of the second flow channel is located on the side wall of the end cap structure located inside the first connecting hole; In the relative positions, the end of the second flow channel located in the first connecting hole is at least partially aligned and connected to the end of the first flow channel located in the first connecting hole.

10. The liquid storage container according to any one of claims 1 to 9, characterized in that, The first connection structure includes one or more combinations of threaded structure, sliding structure or snap-fit ​​structure.

11. An aerosol generating device, characterized in that, include: The device body has a liquid storage chamber, an atomizing channel and a liquid replenishment interface. The liquid storage chamber is used to store aerosol matrix. The atomizing channel is disposed in the liquid storage chamber. The liquid replenishment interface is connected to the liquid storage chamber and has a second connection structure. An atomizing component, disposed in the atomizing channel, is used to atomize the aerosol matrix to generate an aerosol; The liquid storage container as described in any one of claims 1 to 10, wherein the first connecting structure of the container body is detachably connected to the second connecting structure, and the receiving cavity is connected to the liquid replenishment interface.

12. The aerosol generating apparatus according to claim 11, characterized in that, The liquid supply section has a first limiting structure; The liquid replenishment interface has a liquid extraction tube, and the end of the liquid extraction tube facing the outside of the device body has a second limiting structure. During the connection process between the container body and the liquid replenishment interface, the liquid supply nozzle extends into the liquid extraction tube, and the first limiting structure and the second limiting structure form an abutment limiting position, so that the liquid supply part and the cover body generate relative movement and reach the relative position, and the receiving cavity is connected to the liquid extraction tube through the liquid supply channel.

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