VAPORIZATION DEVICE

Description

CROSS REFERENCE TO RELATED APPLICATIONS

The present application claims the benefit of Chinese Patent Application No. 202420695433.2 filed on Apr. 7, 2024, the contents of which are incorporated herein by reference in their entirety.

TECHNICAL FIELD

The present disclosure relates to the field of electronic vaporization, in particular to vaporization devices.

BACKGROUND

A critical component of a vaporization device is the vaporization assembly, which is capable of heating a vaporizable material to generate an aerosol. For a vaporization device utilizing a liquid vaporizable material, the vaporization assembly needs to be communicated with a liquid storage chamber while also connecting to both an aerosol release channel and an air intake channel. This configuration may allow the liquid vaporizable material to leak through the vaporization assembly. The risk of leakage becomes particularly significant during transportation of the device, where prolonged and intense jolts or vibrations may exacerbate the problem.

In some related technologies, a liquid storage cotton has been incorporated within the vaporization assembly to absorb a portion of the vaporizable material, thereby mitigating leakage. However, the absorption capacity of such cotton is limited, leaving residual leakage issues unresolved.

SUMMARY

The present disclosure primarily addresses the technical problem of vaporizable material leakage susceptibility in vaporization devices.

According to a first aspect, a vaporization device is provided in the present disclosure.

The vaporization device may comprise:

• • a device housing;
  • a vaporization assembly, wherein the vaporization assembly is disposed in the device housing, the vaporization assembly comprises a liquid inlet configured to allow a vaporizable material to enter the vaporization assembly;
  • a liquid storage chamber, configured to store the vaporizable material;
  • a liquid supply chamber, wherein the liquid supply chamber is in communication with the liquid inlet, an isolation partition is provided between the liquid storage chamber and the liquid supply chamber, the isolation partition is provided with a chamber connection hole configured to communicate the liquid storage chamber with the liquid supply chamber;
  • a liquid supply switch, movably disposed at the chamber connection hole to selectively open or seal the chamber connection hole; and
  • a device switch, movably disposed on the vaporization device and configured to activate the vaporization device;
  • wherein a linkage mechanism is provided between the device switch and the liquid supply switch, and the linkage mechanism is configured to, when the device switch is switched to an open state, cause the liquid supply switch to open.

In some embodiments, the linkage mechanism is configured as a single-actuation linkage mechanism; and opening of the liquid supply switch causes disengagement between the device switch and a movable valve core, thereby terminating operational linkage therebetween.

In some embodiments, the liquid supply switch comprises a valve core, the linkage mechanism comprises an elastic reset member connected to the valve core, the elastic reset member is configured to apply an actuation force to the valve core in a direction toward an open position;

• • wherein: a movable direction of the valve core is perpendicular to a movable direction of the device switch; the linkage mechanism comprises a limiting feature disposed on the valve core; when the device switch is in a closed state, the limiting feature is blocked by the device switch such that movement of the valve core toward the open position, driven by the actuation force of the elastic reset member, is restricted; and when the device switch is in the open state, the limiting feature is disengaged from the device switch.

In some embodiments, the device switch is provided with an engagement slot having a slot opening facing toward the valve core; the limiting feature comprises a limiting protrusion disposed on an outer circumferential surface of the valve core; and the engagement slot is arranged perpendicular to an axial direction of the valve core and configured to clamp onto the valve core while blocking the limiting protrusion.

In some embodiments, the vaporization device further comprises a liquid storage cup and a cup base, wherein: the liquid storage cup includes a cup base coupling port at one end; the cup base is sealingly engaged with the cup base coupling port; the liquid storage chamber is cooperatively enclosed by the liquid storage cup and the cup base; and the valve core is disposed on the cup base.

In some embodiments, the cup base is provided with a guide hole, the guide hole being coaxially arranged with the chamber connection hole; the valve core is movably arranged in the guide hole and comprises a sealing segment and a flow-through segment, wherein: the sealing segment is positioned at an end of the valve core adjacent to the liquid storage chamber, an outer circumferential surface of the sealing segment is provided with a sealing portion configured to sealingly engage with an inner wall of the chamber connection hole, when the valve core is opened, the sealing segment moves into the liquid storage chamber, and a gap is formed between an outer circumferential surface of the flow-through segment and a wall of the chamber connection hole, the gap being configured to permit passage of the vaporizable material through the chamber connection hole.

In some embodiments, the valve core comprises a hollow segment located at an end of the valve core distal from the liquid storage chamber; the elastic reset member is a compressed spring disposed within the hollow segment; and two ends of the compressed spring respectively abut against an inner end surface of the hollow segment and the device housing.

In some embodiments, the vaporization assembly comprises a liquid storage cotton, an inner sleeve, a liquid guiding cotton, and a heating element that are nested in sequence; wherein: the liquid storage cotton is configured to transport the vaporizable material from the liquid inlet to the heating element; the inner sleeve is interposed between the liquid storage cotton and the liquid guiding cotton; an outer circumferential surface of the liquid guiding cotton is provided with a protruding portion that extends through a wall of the inner sleeve to contact the liquid storage cotton; a central bore is arranged on the liquid guiding cotton; the heating element is arranged on a wall of the central bore; the heating element is configured to heat the vaporizable material to generate an aerosol;

• • the vaporization assembly comprises an aerosol discharge passage; the inner sleeve comprises a first end and a second end that are arranged along an axial direction of the aerosol discharge passage, wherein the first end is proximate to the liquid inlet, the second end is distal from the liquid inlet, and the heating element is positioned closer to the second end.

In some embodiments, the vaporization device further comprises a liquid storage cup and a cup base, wherein: the liquid storage cup has a cup base coupling port at one end; the cup base is sealingly engaged with the cup base coupling port; the vaporization assembly comprises an outer sleeve inserted onto the cup base;

• • the liquid storage chamber is cooperatively enclosed by the liquid storage cup and the cup base; the liquid supply chamber is disposed in the cup base; the outer sleeve comprises a liquid intake section extending through the liquid supply chamber; and the liquid inlet is arranged on the liquid intake section.

In some embodiments, the vaporization device further comprises an air intake channel; wherein the vaporization assembly comprises an air inlet that is in communication with the air inlet and is configured to allow suction airflow to enter the vaporization assembly;

• • the device switch is provided with a vent hole and is sealingly engaged at a distal end of the air intake channel relative to the air inlet; actuation of the device switch adjusts a flow area of the vent hole in fluid communication with the air intake channel.

The vaporization device of the present disclosure provides the following benefits:

In the vaporization device described above, the liquid storage chamber and the liquid supply chamber are separated by the isolation partition to form two distinct compartments. The liquid supply chamber is in fluid communication with the liquid inlet of the vaporization assembly, enabling the vaporizable material to enter the vaporization assembly for aerosol generation. The liquid storage chamber is configured to store the vaporizable material, and is connectable to/disconnectable from the liquid supply chamber through a liquid supply switch at the chamber connection hole disposed between the two chambers. When the liquid supply switch blocks the chamber connection hole, the vaporizable material in the liquid storage chamber is prevented from flowing into the vaporization assembly via the liquid supply chamber, thereby eliminating leakage from the vaporization assembly. Concurrently, the linkage mechanism operatively coupling the device switch and the liquid supply switch can automatically actuate the liquid supply switch to the open position when the device switch is actuated to an open state, without manual operation of the liquid supply switch. With this configuration, both leakage prevention and operational simplicity through coordinated actuation can be achieved.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1 is a schematic structural view of a vaporization device in some embodiments according to the present disclosure;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2;

FIG. 4 illustrates operational state transitions between the device switch and the liquid supply switch before and after the device switch is activated;

FIG. 5 is an exploded assembly view of the liquid supply switch;

FIG. 6 is an exploded assembly view of the vaporization assembly;

FIG. 7 is a schematic diagram showing the switch adjusted to an open state in the configuration of FIG. 2; and

FIG. 8 is a schematic diagram showing the switch adjusted to an open state in the configuration of FIG. 3.

List of Reference Numerals

• • 100 device housing
  • 111 upper housing
  • 112 middle housing
  • 113 lower housing
  • 120 mouthpiece
  • 121 central tube
  • 131 switch operation hole
  • 132 air vent
  • 133 charging port
  • 200 device switch
  • 210 drive protrusion
  • 220 operation knob
  • 230 vent hole
  • 300 liquid storage cup
  • 310 liquid storage chamber
  • 400 cup base
  • 411 first base body
  • 412 second base body
  • 413 connecting body
  • 420 hollow guide column
  • 421 guide hole
  • 422 guide slot
  • 430 chamber connection hole
  • 440 liquid supply chamber
  • 500 vaporization assembly
  • 510 aerosol discharge passage
  • 520 outer sleeve
  • 521 liquid inlet
  • 530 liquid storage cotton
  • 540 heating element
  • 550 air inlet
  • 560 air intake channel
  • 570 inner sleeve
  • 571 clearance notch
  • 580 liquid guiding cotton
  • 581 protruding portion
  • 610 upper sealing seat
  • 620 lower sealing seat
  • 700 liquid supply switch
  • 710 valve core
  • 720 sealing segment
  • 730 flow-through segment
  • 740 guide block
  • 750 limiting feature
  • 760 elastic reset member
  • 810 power module
  • 820 circuit board module

DETAILED DESCRIPTION

The present disclosure will now be further described through specific embodiments with reference to the accompanying drawings. In different embodiments, similar components are labeled with related reference numerals. The following descriptions include numerous details to facilitate a clearer understanding of the present disclosure. However, those skilled in the art will readily recognize that some features may be omitted under specific circumstances or replaced by other components, materials, or methods. In certain instances, operations related to the invention are not explicitly illustrated or described in the specification. This omission is intentional to avoid obscuring the core aspects of the present disclosure with excessive detail. For brevity, it is unnecessary to exhaustively describe such operations, as a person skilled in the art can fully comprehend them based on the descriptions herein and general technical knowledge in the field.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Similarly, the steps or actions in the method descriptions may be reordered or modified in ways that are obvious to those skilled in the art. The sequences outlined in the specification and drawings are provided solely to clearly describe specific embodiments and do not imply mandatory ordering unless explicitly stated otherwise.

Reference numerals assigned to components herein, such as “first,” “second,” and the like, are used solely to distinguish the described objects and imply no sequential or technical meaning. Additionally, the terms “connected” and “coupled,” as used herein, unless otherwise specified, include both direct and indirect connections or couplings.

In embodiments of the present disclosure, by configuring the liquid storage chamber 310 and the liquid supply chamber 440 with a liquid supply switch 700 at their fluid interface, the liquid supply switch 700 can control the flow of the vaporizable material from the liquid storage chamber 310 to the liquid supply chamber 440. This configuration prevents unintended migration of the vaporizable material into the vaporization assembly 500 and subsequent leakage therefrom. Meanwhile, the linkage mechanism disposed between the device switch 200 and the liquid supply switch 700 can concurrently actuates both the vaporization device and the liquid supply switch 700 through the activation of the device switch 200, thereby eliminating the need for separate actuation of the liquid supply switch 700, as well as simplifying operational procedures.

A vaporization device in some embodiments according to the present disclosure is described below.

As shown in FIGS. 1-3, in some embodiments, the vaporization device may include a device housing 100 and may further include a liquid storage cup 300, a cup base 400 and a vaporization assembly 500 that are disposed within the device housing 100.

For clearer illustration of specific embodiments in the present disclosure, directional terms such as “upper,” “lower,” “left,” and “right” herein are defined based on the coordinate system shown in FIG. 1. It should be expressly noted that these directional terms are provided as an example to unambiguously clarify positional relationships between components. Such terminology shall not restrict the specific embodiments of the present disclosure to such configurations unless explicitly recited in the claims.

As shown in FIG. 2, the device housing 100 includes a mouthpiece 120 disposed at its upper portion. The mouthpiece 120 includes a central tube 121 that is capable of connecting to an aerosol discharge passage 510 of the vaporization assembly500, allowing a user to inhale vaporized materials through the mouthpiece 120. In some embodiments, the device housing 100 may include an upper housing 111, a middle housing 112, and a lower housing 113 that are arranged as separate components. The upper housing 111 is formed with a bottom opening for assembling corresponding parts into the device housing 100; and the middle housing 112 is connected to the bottom opening of the upper housing 111, and the lower housing 113 is assembled onto the middle housing 112. The upper housing 111, middle housing 112, and lower housing 113 collectively form a complete device enclosure. It is noted that the device housing 100 may adopt other structural configurations in other embodiments.

In some embodiments, as shown in FIG. 1, a side surface of the device housing 100 is provided with an observation window. The observation window allows the liquid storage cup 300 to be exposed therethrough. The liquid storage cup 300 may be constructed from a transparent material to facilitate visual inspection of the remaining quantity of the vaporizable material.

The device housing 100 further includes a power module 810 and a circuit board module 820 disposed therein. The power module 810 is configured to supply power to the vaporization device, and the power module 810 may be arranged spaced apart from the vaporization assembly 500 along a left-right direction. The circuit board module 820 is configured to control operational functions of the vaporization device, such as powering on/off the device and heating control of the vaporization assembly 500, and may be disposed below the middle housing 112. A lower end surface of the device housing 100 is provided with a switch operation hole 131, an air vent 132, and a charging port 133. The switch operation hole 131 allows an operation knob 220 of the device switch 200 to protrude therethrough for user operation. The air vent 132 allows external air to enter the vaporization device to fulfill inhalation functionality. The charging port 133 is configured to receive a charging plug and connect to a charging terminal on the circuit board module 820, thereby enabling charging of the power module 810.

FIGS. 2 to 4 schematically illustrate the structure of the device switch 200. The device switch 200 may include a plate-shaped main body. The plate-shaped main body can be slidably mounted along the left-right direction on the device housing 100, e.g., mounted within a sliding groove formed on a bottom surface of the middle housing 112. An upper side surface of the plate-shaped main body may be provided with a drive protrusion 210. The drive protrusion 210 is formed with a groove configured to receive an operating lever of a corresponding toggle switch on the circuit board module 820, thereby achieving state switching of the toggle switch when the device switch 200 is actuated. A lower side surface of the plate-shaped main body may be provided with a downwardly protruding operation knob 220. The operation knob 220 facilitates user actuation of the device switch 200.

In some embodiments, one end of the liquid storage cup 300 is provided with a cup base coupling port. The cup base 400 is sealedly engaged with the cup base coupling port, such that the liquid storage cup 300 and the cup base 400 cooperatively define a liquid storage chamber 310. The liquid storage chamber 310 is configured to store a vaporizable material.

The vaporization assembly is disposed within the liquid storage cup 300. In some specific embodiments, referring to FIGS. 2, 3, and 6, the vaporization assembly 500 includes a liquid inlet 521. The liquid inlet 521 is configured to allow a vaporizable material to enter the vaporization assembly 500. The vaporization assembly 500 further comprises, sequentially arranged from an outer side to an inner side: an outer sleeve 520, liquid storage cotton 530, an inner sleeve 570, liquid guiding cotton 580, and a heating element 540.

Optionally, the outer sleeve 520 may be a steel tube. The liquid inlet 521 is disposed on an outer circumferential surface of a lower end of the outer sleeve 520. The liquid storage cotton 530 is configured to buffer flow of the vaporizable material and transport the vaporizable material from the liquid inlet 521 to the heating element 540. The liquid storage cotton 530 has a hollow structure forming a vertically penetrating channel. The inner sleeve 570 is disposed within a hollow channel formed by the liquid storage cotton 530. A sealing member may be provided between the bottom of the inner sleeve 570 and the bottom of the outer sleeve 520. The inner sleeve 570 is configured to: prevent direct communication between the liquid storage cotton 530 and the liquid guiding cotton 580 inside the inner sleeve 570; block direct flow of the vaporizable material from the liquid storage cotton 530 into the hollow channel formed thereby, thereby preventing leakage; and simultaneously, provide positional fixation for the liquid storage cotton 530 and the liquid guiding cotton 580. The liquid guiding cotton 580 includes a protruding portion 581. The protruding portion 581 extends through a clearance notch 571 provided on a side wall of the inner sleeve 570 and contacts the liquid storage cotton 530, thereby enabling vaporizable material impregnated in the liquid storage cotton 530 to be gradually supplied to the liquid guiding cotton 580. The heating element 540 is configured to heat the vaporizable material to generate an aerosol. The structural form of the heating element 540 is not limited and may include, for example, a tubular heating plate, a thick-film heating tube, etc. The heating element 540 abuts against a wall of a central bore of the liquid guiding cotton 580, enabling heating of the vaporizable material at the liquid guiding cotton 580 to generate the aerosol. The central hole enclosed by the heating element 540 constitutes a vaporization channel. The heating element 540 is connected to the circuit board module 820 and, under control of the circuit board module 820, is energized to generate heat, thereby heating the vaporizable material on the surrounding liquid storage cotton 530 to form the aerosol. As a critical component in the field of vaporization devices, the structural form of the vaporization assembly 500 may reference related technologies, and the present application does not limit the specific structure of the vaporization assembly 500.

A vertically penetrating channel at a center of the vaporization assembly 500 forms the aerosol discharge channel 510, configured to discharge the aerosol generated by heating. The top of the vaporization assembly 500 is provided with an upper sealing seat 610, which is configured to communicate with the mouthpiece 120 and seal a connection portion of the mouthpiece 120.

In some embodiments, along an axial direction of the aerosol discharge channel 510, the heating element 540 has a first end and a second end. The first end is proximate to the liquid inlet 521, and the second end is distal to the liquid inlet 521. The heating element 540 is positioned closer to the second end. In some related solutions, the vaporization assembly 500 is disposed at the bottom of the liquid storage cup 300. A liquid level height of the vaporizable material within the liquid storage cup 300 affects a liquid supply speed of the vaporization assembly 500 (hydraulic pressure P=ρgh, where ρ is density, g is gravitational acceleration, and h is the liquid level height), resulting in anomalies such as oil leakage or burnt cores during use. In the vaporization assembly 500 of the present disclosure, with the aforementioned arrangement structure, the heating element 540 is located in an upper region of the liquid storage cotton 530. The vaporizable material entering the liquid storage cotton 530 from the liquid inlet 521 spreads upward through the liquid storage cotton 530 via capillary action to reach the heating element 540. This configuration eliminates the influence of the liquid level height within the liquid storage cup 300 on the liquid supply speed of the vaporization assembly 500. When an internal pressure of the vaporization device exceeds an external ambient pressure (e.g., during air travel), this arrangement advantageously prevents the vaporizable material inside the liquid storage cup 300 from being compressed into the liquid storage cotton 530 and subsequently leaking from the vaporization assembly 500, thereby achieving superior overall leakage prevention performance.

The vaporization assembly 500 includes an air inlet 550. The vaporization device is provided with an air intake channel 560 in communication with the air inlet 550. The air inlet 550 is configured to allow a suction airflow to enter the vaporization assembly 500. In some specific embodiments, referring to FIGS. 2 and 3, a bottom groove is provided on the bottom surface of the cup base 400. A lower sealing seat 620 is disposed at the bottom of the bottom groove. The lower sealing seat 620 sealingly engages with the bottom of the cup base 400, such that an air intake chamber is formed within the cup base 400. Concurrently, the lower sealing seat 620 is provided with a downwardly extending tubular portion. A lower end of the tubular portion passes through the circuit board module 820 and elastically abuts the device switch 200. The tubular portion is configured to communicate with a vent hole 230 provided on the device switch 200. When the device switch 200 is actuated, it adjusts a communication area between the vent hole 230 and the air intake channel 560, thereby regulating the airflow intake. It should be noted that the device switch 200 in the present disclosure is intended to achieve electrical power connection and does not imply that activating the device switch 200 simultaneously generates aerosol. Additionally, airflow regulation may involve switching between closed and open states or adjusting between low and high ventilation rates. The air intake channel 560 in communication with the air inlet 550 of the vaporization assembly 500 on the vaporization device may include a through-hole provided at the bottom of the cup base 400, an air intake chamber enclosed by the cup base 400 and the lower sealing seat 620, and a tubular portion on the lower sealing seat 620. Of course, in some other embodiments, depending on the specific structure of the vaporization assembly 500, the air intake channel 560 may be replaced with other configurations.

If the liquid storage chamber 310 were directly connected to the liquid inlet 521 of the vaporization assembly 500, the vaporizable material within the liquid storage chamber 310 may excessively flow into the vaporization assembly 500, potentially causing leakage of the vaporizable material from the vaporization assembly 500. This leakage risk is particularly heightened during transportation of the vaporization device due to prolonged and intense vibrations. To prevent leakage in the vaporization assembly 500, the vaporization device further includes a liquid supply chamber 440. The liquid supply chamber 440 is in communication with the liquid inlet 521. An isolation partition is disposed between the liquid storage chamber 310 and the liquid supply chamber 440, and the isolation partition is provided with a chamber connection hole 430 for fluidly coupling the liquid storage chamber 310 and the liquid supply chamber 440. Concurrently, the vaporization device may include a liquid supply switch 700. The liquid supply switch 700 is movably disposed at the chamber connection hole 430 to open or seal the chamber connection hole 430.

In some embodiments, the liquid supply chamber 440 is disposed within the cup base 400. Specifically, the cup base 400 is provided with a first base body 411 and a second base body 412 spaced apart along the orientation of the cup base coupling port. The liquid supply chamber 440 is formed by a gap between the first base body 411 and the second base body 412, wherein the first base body 411 constitutes the aforementioned isolation partition. An outer sleeve 520 penetrates through the first base body 411 and is plugged onto the second base body 412. A liquid intake section of the outer sleeve 520 is positioned within the gap. A connecting body 413 is provided between the first base body 411 and the second base body 412 of the cup base 400. The connecting body 413 is disposed at positions near lateral sides on both left and right sides of the cup base 400, as well as at positions on both left and right sides of an insertion port of the cup base 400 for accommodating the outer sleeve 520, thereby achieving connection between the first base body 411 and the second base body 412. The first base body 411, the second base body 412, and the connecting body 413 of the cup base 400 may be integrally formed. Alternatively, at least one of them may be separately fabricated and assembled with other components. To ensure the sealing performance of the liquid supply chamber 440, in some embodiments, sealing rings (not shown in the figures) are respectively disposed on outer circumferential surfaces of the first base body 411 and the second base body 412. The sealing rings are configured to sealingly engage with an inner wall of the liquid storage chamber 310.

In one embodiment, referring to FIGS. 2, 3, and 5, the liquid supply switch 700 includes a valve core 710. The cup base 400 is provided with a guide hole 421. The guide hole 421 is coaxially arranged with the chamber connection hole 430. The valve core 710 is movably disposed within the guide hole 421. To achieve opening and sealing of the chamber connection hole 430, in some specific embodiments, the valve core 710 includes a sealing segment 720 and a flow-through segment 730. The sealing segment 720 is located at an end of the valve core 710 proximal to the liquid storage chamber 310. A sealing portion is provided on an outer circumferential surface of the sealing segment 720, configured to seal against an inner wall of the chamber connection hole 430. When the valve core 710 is activated, the sealing segment 720 enters the liquid storage chamber 310. A gap is formed between an outer circumferential surface of the flow-through segment 730 and a wall of the chamber connection hole 430, allowing the vaporizable material to pass through the chamber connection hole 430 via the gap.

In some specific embodiments, a sealing ring groove is provided on the sealing portion of the valve core 710. The sealing ring groove is configured to accommodate a sealing ring to ensure sealing performance. Considering the flow rate and efficiency of the vaporizable material, the flow-through segment 730 of the valve core 710 is a columnar body with a cross-shaped cross-section. Longitudinal grooves are provided on the outer circumferential surface of the flow-through segment 730 along an up-down (vertical) direction, enabling smooth passage of the vaporizable material. Of course, in other specific embodiments, the cross-sectional shape of the flow-through segment 730 may adopt other configurations.

The movement direction of the valve core 710 during opening is upward. When the valve core 710 moves upward until the sealing segment 720 disengages from the chamber connection hole 430, the flow-through segment 730 establishes fluid communication. In other embodiments, the valve core 710 may adopt alternative structures and may be actuated via downward movement for opening. For example, the valve core 710 may move downward until the sealing segment 720 passes beyond the liquid supply chamber 440, thereby fully opening the chamber connection hole 430. For another example, the sealing segment 720 of the valve core 710 may employ an end-face sealing configuration, where an upper end face of the sealing segment 720 sealingly engages with a lower port edge of the chamber connection hole 430. In this case, downward movement of the valve core 710 opens the chamber connection hole 430.

To ensure the movement direction of the valve core 710, in some embodiments (refer to FIGS. 2 and 5), the cup base 400 is provided with a hollow guide column 420. The hollow guide column 420 forms a guide hole 421. Guide slots 422 are respectively provided on front and rear sides of an outer circumferential surface of the hollow guide column 420. Guide blocks 740 are disposed on front and rear sides of the valve core 710. The guide blocks 740 are configured to engage with the guide slots 422. Of course, those skilled in the art will appreciate that the valve core 710 may adopt any guide structure to achieve movable assembly.

A linkage mechanism is provided between the device switch 200 and the liquid supply switch 700. The linkage mechanism is configured to open the liquid supply switch 700 when the device switch 200 is switched to an activated state. In some embodiments, the linkage mechanism is a single-actuation linkage mechanism. When the liquid supply switch 700 is opened, the linkage between the device switch 200 and the movable valve core 710 is disengaged. Optionally, the linkage mechanism includes an elastic reset member 760. The elastic reset member 760 is connected to the valve core 710 and applies an actuation force to the valve core 710 in a direction toward an open position. The movement direction of the valve core 710 is perpendicular to the movement direction of the device switch 200. The linkage mechanism includes a limiting feature 750 disposed on the valve core 710. When the device switch 200 is in a closed state, the device switch 200 blocks the limiting feature 750 to restrict the valve core 710, under the action of the elastic reset member 760, from moving toward the open position. When the device switch 200 is in the activated state, the device switch 200 disengages the limiting feature 750.

In some specific embodiment, the linkage mechanism includes an engagement slot disposed on the device switch 200. A slot opening of the engagement slot faces the valve core 710. The limiting feature 750 is a limiting protrusion provided on an outer circumferential surface of the valve core 710. The limiting protrusions may be provided at front and rear positions, thereby facilitating balanced force distribution on the valve core 710. The engagement slot is configured to clamp onto the valve core 710 in a direction perpendicular to an axial direction of the valve core 710 and block the limiting protrusions.

To facilitate installation of the elastic reset member 760, in some embodiments (refer to FIGS. 2, 3, and 5), the valve core 710 includes a hollow segment. The hollow segment is located at an end of the valve core 710 distal to the liquid storage chamber 310. The elastic reset member 760 is a compressed spring disposed within the hollow segment. Two ends of the compressed spring respectively abut against an inner end surface of the hollow segment and the device housing 100. The device housing 100 may be provided with a positioning column. The compressed spring may be sleeved over the positioning column, thereby ensuring stability of the compressed spring and smooth actuation of the valve core 710.

It should be noted that, in other embodiments, the linkage mechanism may adopt alternative configurations, provided that it enables the liquid supply switch 700 to open synchronously when the device switch 200 is activated. Furthermore, the liquid supply switch 700 may be configured to open upon activation of the device switch 200 and close upon deactivation thereof. For example, a pin hole may be provided on the valve core 710, and a pin may be disposed on the device switch 200. Insertion of the pin into the pin hole achieves positional restriction of the liquid supply switch 700. For another example, an upwardly inclined surface may be formed on the device switch 200. When the device switch 200 is activated, the inclined surface upwardly drives the liquid supply switch 700 to open. For yet another example, for a liquid supply switch 700 configured to open via downward movement, a downwardly inclined surface may be formed on the device switch 200. Activation of the device switch 200 causes the inclined surface to downwardly drive the liquid supply switch 700 to open. Additionally, in some embodiments, the elastic reset member 760 may be omitted under circumstances where the device switch 200 is capable of directly driving movement of the liquid supply switch 700.

During transportation, as shown in FIGS. 2 and 3, the device switch 200 is positioned at the rightmost side in a closed state, and the liquid supply switch 700 is positioned at the lowermost side also in a closed state. Under this configuration, the vaporizable material within the liquid storage chamber 310 cannot enter the liquid supply chamber 440 or the vaporization assembly 500, effectively preventing leakage of the vaporizable material from the vaporization assembly 500. When a user activates the device switch 200 for the first time (refer to FIGS. 7 and 8), the liquid supply switch 700 synchronously opens and remains in the open state via the linkage mechanism. Subsequent actuation of the device switch 200 will not affect the state of the liquid supply switch 700. The vaporizable material in the liquid storage chamber 310 can flow into the liquid supply chamber 440, continuously supplying liquid to the liquid storage cotton 530. During the first activation of the device switch 200, the liquid storage cotton 530 contains no vaporizable material. To prevent users from initiating inhalation before the liquid storage cotton 530 is fully impregnated with the vaporizable material (which could cause burning of the liquid storage cotton 530), a predetermined amount of vaporizable material may be preloaded in the liquid storage cotton 530. This allows users to avoid waiting for priming (i.e., impregnation of the liquid storage cotton 530) while eliminating the risk of burning.

The above descriptions employ specific embodiments to illustrate the present disclosure, which are provided solely to facilitate understanding of the present disclosure and are not to be construed as limiting its scope. Those skilled in the art to which the present disclosure pertains may, guided by its principles, make various straightforward derivations, modifications, or substitutions.