KR20190082665A - Push-pull electronic cigarette - Google Patents

Abstract

The present invention relates to an aerosol generating apparatus, a cartridge, and an electronic cigarette. The aerosol generating apparatus of the present invention comprises: a housing having a cavity; a mouthpiece provided at one end of a housing; a liquid storage unit having an outlet; and an aerosol passage. The mouthpiece has a plunger and an insertion end, wherein the plunger is inserted into the liquid storage unit, and the aerosol passage communicates with the mouthpiece. In a first state, the insertion end of the mouthpiece is in contact with an outer wall of the liquid storage unit to close the aerosol passage, and the plunger is in contact with the outlet to prevent the fluid in the liquid storage unit from being leaked out of the outlet. In a second state, the insertion end of the mouthpiece is separated from the outer wall of the liquid storage unit to open the aerosol passage, and the plunger and the outlet are separated to allow the fluid in the liquid storage unit to be discharged from the outlet. The aerosol generating apparatus of the present invention can prevent liquid in a liquid storage cavity from being leaked by separation from contact of the plunger and the outlet. Also, the control for the atomization amount of fraction and fluid of an electronic cigarette is realized, such that a user can be more safely or conveniently inhale the electronic cigarette, thereby providing an excellent smoking experience.

Description

PUSH-PULL ELECTRONIC CIGARETTE "

TECHNICAL FIELD OF THE INVENTION The present invention relates to the technical field of cigarettes, and more particularly, to an aerosol generating device, a cartridge, and an electronic cigarette.

As health has been around, we have been aware that conventional cigarettes (cigarettes wrapped in paper) have certain health risks. Thus, a product called electronic cigarette has been developed. As a substitute for conventional cigarettes, electronic cigarettes are essentially aerosol generating devices that heat a liquid material containing nicotine. A heating member for atomizing the liquid material, a member for storing the liquid in the atomizing unit, a member for storing the liquid in the atomizing unit, and a member for storing the liquid in the atomizing unit. To derive an aerosol.

In the prior art, the low-liquid portion directly communicates with the atomization portion, the liquid in the low-liquid portion directly contacts the atomization portion, the atomization portion heats the liquid to generate aerosol, the aerosol is drawn through the aerosol passage in the electronic cigarette, Are drunk. Such a structure can not realize the opening and closing of the low-liquid portion. Therefore, when the external air pressure is lowered by communicating the low-liquid portion directly with the atomization portion, the liquid in the excess liquid portion flows into the atomization portion and leaks into the aerosol passage, The smoking tool is contaminated, which causes inconvenience to the use of the user.

Conventionally, in a commercially available product, as a method of atomizing liquid, oil guide rope impregnated with liquid is generally heated directly by a heating wire. The oil guide rope is always liquid impregnated. As the heating value increases, the oil guide rope of the oil guide rope becomes insufficient and the temperature of the heating element unit becomes high. When the temperature of the heating element unit reaches a predetermined temperature, the oil guide rope deteriorates due to high temperature, Lt; / RTI > There is a risk of carbonization (carbonization) of the oil guide rope in the latter period of use, further adversely affecting the oil guide rope lubrication and smoking experience. In addition, since the liquid is always impregnated in the oil guide rope, the liquid amount of the liquid can not be controlled and affects consumers' smoking experience.

It is an object of the present invention to provide an aerosol generating apparatus which solves the problems of the prior art that liquid can not leak or control the liquid atomization amount.

In order to attain the above object, the present invention provides a dental prosthesis having a housing having a cavity, a mouthpiece which is provided at one end of the housing and has a plunger and an insertion end along a drawing direction of the cavity, A low-liquid part in which a plunger is inserted, and an aerosol passage provided in the housing and communicating with the mouthpiece,

In the first state, the insertion end of the mouthpiece abuts against the outer wall of the low-fluid part along the stretching direction to close the aerosol passage, and the plunger abuts against the liquid ejection port to allow the liquid in the liquid- Stop,

In the second state, the insertion end of the mouthpiece is separated from the outer wall of the low-fluid portion along the stretching direction to open the aerosol passage, and the plunger is separated from the fluid outlet so that fluid in the fluid- Lt; / RTI >

Preferably, the plunger has an insertion portion, the insertion portion is insertable into the ejection port, and is also abutted to the ejection port in the radial direction.

Preferably, the liquid outlet is an isosceles-shaped body, and the outer diameter of the insertion portion gradually increases in the direction from the liquid outlet to the plunger, and the inner diameter of the liquid outlet is smaller than the minimum outer diameter of the insertion portion It is between the maximum outer diameter.

Preferably, the insertion portion has a boss structure, and the boss of the insertion portion is inserted into the ejection port and abuts against the inner wall of the ejection port.

Preferably, the mouthpiece is provided with an engaging member, the plunger is provided with an engaging groove, and the engaging member is engaged with the engaging groove.

Preferably, a through hole is provided in a portion facing the insertion end of the low-fluid portion, a seal member is provided in the through-hole, and the plunger passes through the seal member so as to be tightly fitted with the seal member.

Preferably, the aerosol generating device further comprises an atomization portion, and the liquid outlet portion of the low-liquid portion is provided toward the atomization portion.

Preferably, the atomization portion includes a heating body and an atomization cavity, and the heating body is located below the liquid outlet, and the liquid derived from the liquid outlet is atomized by the heating body and enters the aerosol passage via the atomization cavity.

Preferably, the aerosol passage is located at one side of the low liquid portion and the atomizing portion, and communicates with the atomizing cavity.

Preferably, the aerosol passage is provided on the aerosol outlet side of the atomization portion along the drawing direction, and is provided with a first aerosol passage communicating with the atomization cavity and a second aerosol passage provided on one side of the low- And the first aerosol passage communicates with the second aerosol passage through the shield tube.

Preferably, the atomization cavity is provided with an intake hole and an aerosol outlet, and the aerosol outlet communicates with the first aerosol passage.

Preferably, the heating body is a porous ceramic heating body.

Preferably, the mouthpiece is provided with a suction port, and in the second state, the aerosol passes through the aerosol passage and is sucked into the suction port.

Preferably, the housing and the mouthpiece are integral.

Preferably, the low-liquid portion, the atomized portion, and the aerosol passage are both provided in the housing, and the housing is movable along the drawing direction with respect to the low-liquid portion, the atomized portion, and the aerosol passage.

Preferably, the limiting projection is provided on the outer surface (outer surface) of the low-liquid portion, the housing is provided with a sliding groove, and the limiting projection is located in the sliding groove to limit the moving distance of the housing in the drawing direction .

Preferably, the plunger is provided with an elastic part, the elastic part is located between the seal member and the insertion part, or the elastic part is located between the seal member and the mouthpiece, So as to drive the insertion portion.

The present invention provides an electronic cigarette, comprising an aerosol generating device and a main housing provided with a mounting part therein, wherein the atomizing part of the aerosol generating device is provided in the mounting part, and the low-fluid part is detachably connected to the mounting part.

Preferably, the electronic cigarette further comprises a trigger sensor, wherein the trigger sensor is provided at the junction of the aerosol outlet of the aerosol generator and the first aerosol passage of the aerosol generator, and the trigger sensor detects the change in air pressure in the aerosol passage .

Preferably, the power supply and control circuit board are further provided in the main housing, the power supply is for feeding the atomization part, and the control circuit board is for controlling the atomization of the fluid by the atomization part.

A mouthpiece having an aerosol passage, a mouthpiece movably inserted into one end of the cavity and provided with a plunger extending along the extending direction of the cavity at an insertion end, And a low-liquid portion inserted into the plunger,

In the first state, the insertion end of the mouthpiece is brought into contact with the outer wall of the low-liquid part along the stretching direction to close the aerosol passage, and the plunger abuts against the liquid ejection port to prevent the fluid in the liquid-

In the second state, the insertion end of the mouthpiece is separated from the outer wall of the low-fluid portion along the stretching direction to open the aerosol passage, and the plunger is separated from the ejection opening to allow the fluid in the low- do.

Preferably, the cartridge further comprises an elastic part having one end connected to the insertion end and the other end connected to the outer wall, or one end connected to the inner wall of the low-fluid part, and the other end connected to the plunger.

Preferably, the mouthpiece includes a nip portion, the nip portion is provided so as to surround the outer circumferential surface of the cartridge case, and there is a clearance in the radial direction between the nip portion and the outer circumferential surface of the cartridge case.

Preferably, the mouthpiece includes a holding portion, and the holding portion is screwed to the outer peripheral surface of the cartridge case.

Preferably, there is a radial clearance between the insertion end and the inner circumferential surface of the cartridge case.

Preferably, the insertion end is screwed to the inner circumferential surface of the cartridge case.

Preferably, the radial clearance is 0.1 mm-0.5 mm.

Preferably, the holding portion has a recessed portion along the radial direction and / or a convex portion protruding out along the radial direction.

Preferably, the concave portion surrounds the entire circumference along the circumferential direction, or the concave portion partially surrounds the circumferential direction, or a plurality of concave portions are provided at intervals along the circumferential direction, And / or the convex portion surrounds the pole along the circumferential direction, or the convex portion partially surrounds the circumferential direction, or the convex portions are provided in plural and spaced apart in the circumferential direction.

Preferably, the first radial protrusion and the second radial protrusion are provided opposite to the inner wall of the low-liquid part, and the first radial protrusion and the second radial protrusion form a restriction part, and the plunger is movable And the nip portion is for restricting the movement of the plunger in the radial direction.

Preferably, the plunger has an insertion portion, the insertion portion is insertable into the ejection port, and is also abutted to the ejection port in the radial direction.

Preferably, the liquid outlet is an isosceles, the outer diameter of the insertion portion gradually increases in the direction from the liquid outlet to the plunger, and the inner diameter of the liquid outlet is between the minimum outer diameter and the maximum outer diameter of the insertion portion.

Preferably, a through hole is provided in a portion facing the insertion end of the low-fluid portion, a seal member is provided in the through-hole, and the plunger is inserted into the seal member so as to be tightly fitted with the seal member.

Preferably, the cartridge further comprises an atomization part, and the liquid discharge port of the low-liquid part is installed toward the atomization part.

Preferably, the atomizing portion has a convex shape extending portion, a sealing ring is provided on the outer peripheral surface of the convex shape extending portion, a convex shape extending portion is inserted in the discharge port, and the sealing ring is tightened with the inner peripheral surface of the discharge port.

Preferably, the heat insulating portion is provided on the outer peripheral surface of the convex shape extending portion, and the sealing ring is projected to the heat insulating portion.

Preferably, the aerosol having a radial clearance between the outer circumferential surface of the low-liquid part and the cavity and being atomized by passing the fluid through the atomized part flows into the aerosol passage through the radial clearance together with the external air and flows out from the aerosol passage Are drunk.

The present invention provides an electronic cigarette having the cartridge according to any one of the above-described techniques.

Preferably, the electronic cigarette further comprises a tobacco rod and a power source is provided in the tobacco rod for feeding the atomizing portion in the cartridge.

Preferably, in the tobacco rod, when the aerosol passage is detected to be conductive, a smoke passage sensor is provided for controlling the power supply to feed the atomization section.

As described above, in the aerosol generating apparatus according to the present invention, the plunger is provided, and the plunger is brought into contact with the fluid outlet so as to prevent the fluid in the fluid from leaking out of the fluid outlet, And the aerosol passage located at one side of the atomizing section is provided independently so as to allow the aerosol to pass smoothly, making it difficult to solidify the aerosol. In addition, it is possible to control the atomization amount of the fluid by controlling the liquid (jet) of the electronic cigarette by abutting and separating from the plunger and the emitter. Thus, the user can drink more safely and easily, Has good smoking experience.

In order to facilitate understanding of the above-described contents of the present invention, a detailed description will be given below with reference to the drawings by taking a suitable embodiment as an example.

It is to be understood that the drawings in the description constituting part of this disclosure are provided to provide a thorough understanding of the present invention, and the exemplary embodiments of the present invention and the description thereof are to be interpreted as the present invention and not as an undue limitation of the present invention.
In drawing
1 schematically shows an external structure of an electronic cigarette according to a first embodiment of the present invention.
Fig. 2 schematically shows a cross-sectional view of the internal structure of an electronic cigarette according to the first embodiment of the present invention. Fig.
Fig. 3 schematically shows a partial cross-sectional view of the inside of the electronic cigarette according to the first embodiment of the present invention. Fig.
Fig. 4 schematically shows a partial structure of an electronic cigarette when the aerosol generating apparatus according to the first embodiment of the present invention is applied.
5 schematically shows a cross-sectional view of a low-fluid portion and an aerosol passage in Embodiment 1 of the present invention.
Fig. 6 schematically shows a cross-sectional view of an atomization part according to Embodiment 1 of the present invention. Fig.
Fig. 7 schematically shows a structure of a case in which an inserting portion is brought into close contact with an emit outlet in another embodiment of the present invention.
Fig. 8 schematically shows a structure of a housing in which a low-fluid portion according to Embodiment 1 of the present invention is installed. Fig.
Fig. 9 schematically shows a cross-sectional view of a cartridge according to a second embodiment of the present invention.
Fig. 10 schematically shows a sectional view 2 of the cartridge in the second embodiment of the present invention.
11 schematically shows a sectional view 3 of the cartridge in the second embodiment of the present invention.
12 schematically shows a cross-sectional view of a cartridge according to a second embodiment of the present invention.
Fig. 13 schematically shows a sectional view 5 of the cartridge in the second embodiment of the present invention.
Fig. 14 schematically shows a connection schematic diagram of a cartridge and a cigarette load in the second embodiment of the present invention. Fig.

Hereinafter, by describing the embodiments of the present invention in specific embodiments, those skilled in the art can easily grasp other advantages and effects of the present invention based on the contents disclosed in this specification. The present invention will be described with reference to preferred embodiments, but the features of the present invention are not limited to the above embodiments. On the contrary, in order to include other selection or improvement that can be derived based on the claims of the present invention, the description will be made with reference to the embodiments. In order to explain the present invention in detail, a number of details are included in the following description. In the present invention, such details may not be used. In addition, some specific details are omitted from the description in order to avoid confusing or obscuring the focus of the present invention.

Further, the features of the embodiments and examples of the present invention can be combined with each other if they are not contradictory. Hereinafter, the present invention will be described in detail by combining embodiments with reference to the drawings.

Example 1:

2, 4 and 8, the present invention provides an aerosol generating device 1, which comprises a housing 10 having a cavity 11, a mouthpiece 20, A low-liquid part 30, and an aerosol passage 22. The mouthpiece 20 communicates with the aerosol passage 22, and the aerosol flows out through the aerosol passage 22 and is sucked in by the user. The dental mouthpiece 20 is provided at one end of the housing 10 and the dental mouthpiece 20 is disposed along the extension direction of the cavity 11 ). The liquid in the low liquid part 30 flows out from the liquid outlet 32 and flows into the atomization part 50. The liquid in the low liquid part 30 flows into the atomization part 50, May flow into the aerosol passage 22 and out of the aerosol passage 22 and may be drunk. When the insertion end 21 of the mouthpiece 20 is inserted into the aerosol passage 22, the plunger 25 comes into contact with the liquid outlet port 32, (32), and simultaneously closes the aerosol passage (22) and the outlet port (32).

3 and 4, in the first state, the insertion end 21 of the dental mouthpiece 20 is in the extending direction (the direction of insertion) The plunger 25 comes into contact with the liquid outlet 32 and the liquid outlet 32 of the liquid in the liquid storage portion 30 is brought into contact with the liquid outlet 32. As a result, Thereby inhibiting the outflow from the apparatus. At this time, the aerosol passage 22 of the aerosol generating apparatus 1 is closed and does not trigger the operation of the atomization section 50, and at the same time, the fluid in the low-fluidization section 30 does not flow into the atomization section 50, , And does not generate aerosols. 3, 4 and 5, in the second state, the insertion end 21 of the dental mouthpiece 20 is separated from the outer wall of the low-liquid part 30 along the stretching direction, so that the aerosol passage 22 And the plunger 25 is separated from the outlet port 32 so that the fluid in the bottom port 30 can be discharged from the outlet port 32. [ At this time, the aerosol passage 22 of the aerosol generating apparatus 1 is opened and triggers the operation of the atomization section 50. At the same time, the fluid in the liquid storage section 30 flows into the atomization section 50, ) Atomizes the fluid to generate an aerosol.

The aerosol generating apparatus 1 according to the present embodiment is provided with a plunger 25 and the plunger 25 is brought into contact with the liquid outlet port 32 to allow the liquid from the liquid outlet port 32 in the liquid storage section 30 It is possible to effectively prevent the leakage of the liquid in the low-liquid portion 30. In addition, control of the liquid separation of the electronic cigarette 6 can be realized by separating from the abutment between the plunger 25 and the dispensing opening 32, so that the amount of fluid to be dispensed is controlled so that the user can safely, And has a good smoking experience.

In the present invention, there is no limitation on the abutment method of the plunger 25 and the liquid outlet 32. After the plunger 25 and the liquid outlet 32 are brought into contact with each other, So long as it can prevent the outflow from the ball 32. 5 and 3 and 4, in this embodiment, the plunger 25 has the insertion portion 26, the insertion portion 26 is insertable into the outlet port 32 , And also abuts against the outlet port 32 in the radial direction. The outflow port 32 is an isosceles and the outer diameter of the insertion portion 26 gradually increases in the direction from the outlet 32 to the plunger 25 and the inner diameter of the outlet 32 is larger than the inner diameter of the insertion portion 26 between the minimum outer diameter and the maximum outer diameter, and may be, for example, a sealing cavity 320 tightly adhered to the insertion portion 26. The insertion portion 26 of the plunger 25 is partly inserted into the liquid outlet 32 and then abuts against the liquid outlet 32 in the radial direction to seal the liquid outlet 32 Thereby preventing the fluid from flowing out from the fluid outlet 32.

7 and 4 and 5, in another embodiment, the insertion portion 26 has a boss structure, and the boss 260 of the insertion portion 26 is inserted into the outlet port 32, (32), and thereby the sealing of the outlet port (32) is realized.

Even when the boss 260 of the insertion portion 26 is connected to the plunger 25 and the insertion portion 26 is brought into tight contact with the liquid outlet 32, the sealing is performed, It can also be achieved.

In the present invention, there is no limitation on the connection method between the mouthpiece 20 and the plunger 25, and it is sufficient that the mouthpiece 20 and the plunger 25 can be reliably connected. 3, the mouthpiece 20 is provided with a latching member 23 and the plunger 25 is provided with a latching groove 250 so that the latching member 23, The connection between the mouthpiece 20 and the plunger 25 is realized by the engagement with the engagement groove 250, and the configuration is simple and connection is ensured.

3 and 5, in the present embodiment, a through hole 33 is provided in a portion of the low liquid part 30 facing the insertion end 21, and a seal member 34 And the plunger 25 penetrates the seal member 34 so as to be tightly fitted to the seal member 34. Since the fluid in the plunger 25 is scraped off by the seal member 34 in the process of extracting, the leakage of the separation kit is further prevented. The specific type of the seal member 34 is not particularly limited. In the present embodiment, the seal member 34 is a silica gel plug.

2 and 4, the aerosol generating apparatus 1 according to the present invention further includes an atomization section 50, and an outlet port 32 of the low-fluid section 30 is connected to an atomization section 50). There is no particular limitation on the specific type of the atomization section 50 and any atom may be used to atomize the fluid that has flowed from the discharge port 32 to the atomization section 50 to generate aerosols.

6 and 4, in the present embodiment, the atomization section 50 includes an atomization housing 56, an electrode 55, a heating body 51, and an atomization cavity 52 The heating body 51 is for heating the liquid from the liquid outlet 32 and is provided in the atomization housing 56 and is located above the atomization cavity 52 and corresponds to the liquid outlet 32, The cavity 52 is for storing and discharging aerosols generated by atomization in the heating body 51. The electrode 55 is provided in the atomization housing 56 and is located below the atomization cavity 52 and is electrically connected to the heating body 51 to provide electrical energy to the heating body 51. [ The heating body 51 is positioned below the liquid outlet 32 and the liquid from the liquid outlet 32 enters the aerosol passage 22 through the atomization cavity 52 after being atomized by the heating body 51. The specific type of the heating body 51 is not particularly limited, and it may be any one that atomizes the fluid flowing from the outlet port 32 to the atomization section 50 to generate aerosols. For example, the atomization section 50 may be one of an electric heating line, an infrared heating body, a microwave heating body, an electronic switching heating body, and a porous ceramic heating body, or a structure in which a glass fiber rope and an electric heating wire are combined, Heating structure. In this embodiment, the heating body 31 is a porous ceramic heating body. The porous ceramic heating body is capable of absorbing and storing liquid, has a high temperature resistance, is easy to clean, and has no useful life .

6 and 4, the atomization cavity 52 includes an intake hole 53 and an aerosol outlet 54, and an aerosol outlet 54 is connected to the aerosol passage 22 Communicate. In the second state, air enters the atomization cavity 30 from the intake port 32 and is supplied to the heating body 31 from the atomizing housing 56. In the second state, And then enters the aerosol passage 22 from the aerosol outlet 33 and enters the mouthpiece 20 through the aerosol passage 22 and finally enters the mouthpiece 20 through the aerosol passage 22, (20). ≪ / RTI > By providing the air intake holes 53 and the aerosol outlet 54, the aerosol can be moved more smoothly, thereby facilitating smoking by the user.

4 and 5, the aerosol passage 22 is located at one side of the low liquid portion 30 and the atomization portion 50, and the communication with the atomization cavity 52 is made by the aerosol passage 22 And is provided at one side of the low liquid part 30 and the atomizing part 50 along the stretching direction (shown in the X direction in Fig. 8), and is connected to the atomizing cavity 52 to draw the aerosol in the atomizing cavity 52 . The heating body 51 may be located below the outlet 32 and may be located immediately below the outlet 32 or may be located below the inclination of the outlet 32 and may be connected to the outlet 32 So long as it is ensured that all the derived liquid is received by the heating body 51. In this embodiment, the heating body 51 is positioned directly below the outlet port 32 so that the heating body 51 can easily receive the drawn liquid.

5 and Figs. 4 and 3, the low liquid part 30 further includes a low liquid housing 31 and a low liquid housing cover 35, and the low liquid housing 31 and the low liquid housing 31, The cover 35 may be integrally formed, or may be integrally connected to be sealed. The cavity enclosed by the low fluid housing 31 and the low fluid housing cover 35 becomes the low fluid cavity 300 for storing the liquid to be atomized. A liquid outlet 32 is provided in the liquid housing cover 35 and the liquid outlet 32 is for communicating with the liquid reservoir 300 to draw the liquid in the liquid reservoir 300. In this embodiment, the low liquid housing 31 and the low liquid cover 35 are connected by being assembled, and a gasket 36 is provided between the low liquid housing 31 and the low liquid cover 835.

The aerosol passage 22 is provided at one side of the low liquid portion 30 and the atomization portion 50 and communicates with the atomization cavity 52 of the atomization portion 50 so that the aerosol passes through the aerosol passage 22 Therefore, the aerosol and the inner wall of the aerosol passage 22 are in contact with the inner wall of the housing 10 and the outer wall of the bottom portion 30, So that it is difficult to solidify. Thus, a good use experience is given to the user.

As shown in FIGS. 5 and 3 and 4, in the present invention, the aerosol passage 22 includes a first aerosol passage 220 and a second aerosol passage 221. The first aerosol passage 220 is provided on the aerosol outlet side of the atomization section 50 along the drawing direction of the cavity 11 and communicates with the atomization cavity 52. The second aerosol passage 221 communicates with the cavity The first aerosol passage 220 and the second aerosol passage 221 are provided at one side of the low liquid portion 30 along the extension direction of the first aerosol passage 11 and the low liquid portion 30, . In order to facilitate the design and mounting of the aerosol passage 22 and to facilitate the mounting and compacting of the structure of the aerosol passage 22, the aerosol passage 22 is formed between the first aerosol passage 220 and the second aerosol passage 22, (221), and are connected through a sealing pipe (222). 5, 3, and 4, in this embodiment, the first aerosol passage 220 is an air conduit, and the first aerosol passage 220 has one end connected to the low- And the other end extends to one side of the atomization outlet of the atomization section 50 and communicates with the aerosol outlet port 54 of the atomization cavity 52 to extract the aerosol in the atomization cavity 52, Simple configuration and easy to install. The second aerosol passage 221 is provided at one side of the low liquid portion 30 along the extending direction of the cavity 11 and penetrates the low liquid portion 30 and the second aerosol passage 221 is provided at the low liquid portion 30, And may be provided at one side of the low-liquid cavity 300 or may be provided at one side outside the low-liquid chamber 30 so as to approach the low-liquid chamber 30. The second aerosol passage 221 is provided in the low fluid housing 31 and is located at one side of the low fluid cavity 300. The second aerosol passage 221 penetrates the low fluid housing 31 along the extending direction of the low fluid housing 31, And is formed integrally with the low-liquid housing 31, which is easy to process and manufacture, and has a compact structure. The first aerosol passage 220 and the second aerosol passage 221 communicate with each other through a sealing pipe 222. One end of the sealing pipe 222 is inserted into the second aerosol passage 221, The first aerosol passage 220 and the second aerosol passage 221 are tightly connected to each other so that the sealing of the gas can be realized, , It is possible to prevent intrusion of the liquid in the low-liquid cavity (300) into the second aerosol passage (221), thereby securing a good smoking experience to the user.

3, in the present embodiment, the mouthpiece 20 is provided with a suction port 24, and in the second state, the aerosol passes through the aerosol passage 22 and then is sucked from the suction port 24 . The suction port 24 may be provided at one side of the upper end of the dental mouthpiece 20 or at the center of the upper end of the dental mouthpiece 20 to ensure that the user easily drinks the aerosol in the aerosol passageway 22. [ If possible. In this embodiment, the suction port 24 is provided on one side of the upper end of the dental mouthpiece 20 so that the user can easily contact the suction port 24 and easily drink it.

As shown in Figs. 2, 3, and 4, the connection type of the housing 10 and the mouthpiece 20 is not particularly limited, and can be designed according to the use. In this embodiment, the housing 10 and the mouthpiece 20 are integrally formed. The mouthpiece 20 is located at the upper end of the housing 10 and is integrally formed with the housing 10. In another embodiment, the housing 10 and the mouthpiece 20 may be connected by being assembled, for example by screwing or engaging.

2, 3, 4 and 8, when the housing 10 and the mouthpiece 20 are integrally formed, the bottom part 30, the atomization part 50, and the aerosol passage 22 All of which are provided in the housing 10 and the housing 10 is movable with respect to the low liquid portion 30, the atomization portion 50 and the aerosol passage 22 along the stretching direction. By integrally designing the housing 10 and the mouthpiece 20, synchronized movement between the housing 10 and the mouthpiece 20 can be realized and the operation becomes easier. When the housing 10 is moved, the mouthpiece 20 moves in synchronism with the housing 10 and at the same time the mouthpiece 20 moves the plunger 25 in conjunction with the movement of the housing 10, (1) can easily realize switching between the first state and the second state. In addition, an inclined shape 13 for increasing frictional force is provided outside the housing 10 in order to facilitate the user to push the housing 10 to move and to facilitate use.

It is also possible to restrict the movement distance of the housing 10 and prevent the plunger 25 from being damaged due to the movement distance of the housing 10 being too long, A restriction mechanism is provided between the housing 10 and the low liquid part 30 in order to avoid contamination of the part 50 and the aerosol passage 22 by exposure. Specifically, as shown in Figs. 8, 4 and 5, in this embodiment, the limiting projection 37 is provided on the outer surface of the low-liquid part 30, and the housing 10 has the sliding groove 12 And the limiting protruding portion 37 is located in the sliding groove 12. In the first state, the plunger 25 comes into contact with the outlet port 32, and at this time, the limiting protrusion 37 is located at one end of the sliding groove 12. In the process of changing the first state to the second state, the housing 10 is pushed to move relative to the limiting protrusion 37 and the sliding groove 12, . When the second state is reached, the plunger 25 is separated from the outlet port 32, and the limiting protrusion 37 is located at the other end of the sliding groove 12. [ The movement distance along the extending direction of the housing 10 is limited by the combination of the sliding groove 12 in the housing 10 and the limiting protrusion 37 in the bottom portion 30, The movement distance is prevented from being too long, thereby achieving the limiting protection action.

5, 3 and 4, the elastic member 40 is provided on the plunger 25 and the elastic member 40 is provided on the inner surface of the seal member 34 and the insertion portion 26 Respectively. The elastic member 40 is a spring and the spring is projected to the plunger 25 so that the seal member 34 and the insertion portion 34 are inserted into the plunger 25, (26). When the plunger 25 is taken out from the outside, the elastic component 40 is compressed and the plunger 25 is separated from the outlet port 32 together with the insertion section 26 to discharge the liquid from the outlet port 32 . When the force from the outside is lost, the elastic part 40 can be returned to the sealed state together with the insertion part 26 by driving the plunger 25. The elastic part 40 is provided between the insertion part 26 and the seal member 34 in the plunger 25 so that the insertion part 26 is further pushed in, The liquid outlet 32 is kept in close contact with the liquid outlet 32, and the liquid outlet 32 is sealed more tightly, thereby achieving a better effect of preventing liquid leakage. The elastic part 40 may be positioned between the seal member 34 and the mouthpiece 20 to drive the insertion section 26 to restore or maintain the seal of the dispensing opening 32 .

4 and 3 and 5, in the present embodiment, the cross-section of the aerosol passage 22 is circular, that is, the first aerosol passage 220, the second aerosol passage 221, (222) are all tubular structures having a circular cross-section. Since the inner wall area of the tube structure is small, the flowing aerosol can easily pass, the aerosol flows more smoothly, the aerosol particles 10 hardly solidify, satisfying the user's smoking needs better, Experience can be improved. In another embodiment, the cross-sectional shape of the aerosol passage 22 may be other shapes, for example, polygonal, semicircular, or the like, and there is no particular limitation as long as it can ensure smooth passage of the aerosol.

The plunger 25 of the aerosol generator 1 is brought into contact with the liquid outlet 32 to prevent the fluid in the liquid reservoir 30 from flowing out from the liquid outlet 32, It is possible to effectively prevent the liquid from leaking out of the liquid. Separation from the abutment between the plunger 25 and the ejection port 32 enables control of the liquid separation of the electronic cigarette 6 and the amount of fluid to be controlled is controlled so that the user can safely and easily , And a good smoking experience. At the same time, since the low-liquid cavity 300 and the aerosol passage 22 located at one side of the atomization section 50 are provided independently, the aerosol passes smoothly, and the aerosol particles hardly coagulate.

2 and 1 and 4, the present invention also includes an aerosol generating apparatus 1 of any one of the above-described embodiments and a main housing 60 provided with a mounting portion 61 therein, The atomizing section 50 of the aerosol generating apparatus 1 is provided in the mounting section 61 and the liquid cigarette 6 of the aerosol generating apparatus 1 is detachably connected to the mounting section.

The electronic cigarette 60 further includes a trigger sensor 62 and the trigger sensor 62 is connected to the aerosol outlet of the aerosol generating apparatus 1. In this embodiment, And is for detecting a change in atmospheric pressure in the aerosol passage 22 of the aerosol generator 1, provided at a junction between the first aerosol passage 54 and the first aerosol passage 220 of the aerosol generator 1. The gas in the aerosol passage 22 is sucked by the user and forms a negative pressure so that the air pressure difference between the air pressure of the atomization cavity 52 and the air pressure in the aerosol passage 22 And when the trigger sensor 62 detects the air pressure difference, it transmits a trigger signal to heat the heating body 51 to generate aerosols. In this embodiment, the microphone is used as the trigger sensor 62, and the trigger sensor 62 is provided at the junction of the aerosol outlet 54 and the first aerosol passage 220. In another embodiment, the trigger sensor 62 may be provided at another position, and it may be possible to trigger the heating body 51 automatically. The triggering of the heating body 51 by the trigger sensor 62 is simple, reliable, and easy to use.

A power supply 63 and a control circuit board 64 are further provided in the main housing 60 and the power supply 63 is connected to the power supply unit 50 And the control circuit board 64 is for controlling the atomization of the fluid by the atomization unit 50. [ The power source 63 and the control circuit board 64 are fixedly mounted in the main housing 60 and the control circuit board 64 is connected to the power source 63, the trigger sensor 62 and the electrode 55, (63) is connected to the electrode (55). When the trigger sensor 62 detects the trigger signal, the trigger sensor 62 transmits the control signal to the circuit board 64 and the control circuit board 64 transmits the control signal so that the power source 63 is supplied to the heating body 51 by the electrode 55, Thereby realizing a heating atomization function of the heating body 51 with the liquid.

Example 2

9, the present invention provides a cartridge 1 having a cartridge case 10 having a cavity 11, a mouthpiece 20, and a low-liquid part 30. [ The mouthpiece 20 has an aerosol passage 22 through which the aerosol can be drained through the aerosol passage 22 and drilled into the user. The mouthpiece 20 is movably inserted into one end of the cavity 11 of the cartridge case 10 and is inserted into the insertion end 21 of the mouthpiece 20 by means of an extension of the cavity 11 of the cartridge case 10 A plunger 25 extending along a direction (shown by an X-direction in Fig. 9) is provided. The low liquid part 30 has an outlet port 32. The fluid in the low fluid port 30 flows out from the outlet port 32 and flows into the atomization part 50. The fluid in the low fluid port part 30 and the cavity 11, The aerosol generated by atomizing the fluid in the atomization section 50 flows into the aerosol passage 22 through the radial clearance A together with the external air and flows out from the aerosol passage 22 Are drunk. In this embodiment, when the insertion end 21 of the mouthpiece 20 is inserted into the cavity 11 of the cartridge case 10, the plunger 25 is inserted into the low-

9, in the first state, the insertion end 21 of the dental mouthpiece 20 is inserted into the outer wall of the low-liquid part 30 in the drawing direction (that is, The aerosol passage 22 is closed and the plunger 25 is brought into contact with the liquid outlet 32 so that the liquid outlet 32 of the liquid in the liquid storage portion 30 is brought into contact with the liquid outlet 32, Thereby inhibiting the outflow from the apparatus. At this time, the aerosol passage 22 of the cartridge 1 is closed and does not trigger the operation of the atomization section 50, and at the same time, the fluid in the low liquid section 30 does not flow into the atomization section 50, . 10, in the second state, the insertion end 21 of the mouthpiece 20 is separated from the outer wall of the low-liquid portion 30 along the stretching direction to open the aerosol passage 22, and the plunger 25 Is separated from the outlet port 32 so that the fluid in the bottom port 30 can flow out from the outlet port 32. [ At this time, the aerosol passage 22 of the cartridge 1 is opened to trigger the operation of the atomization section 50, and at the same time, the fluid in the liquid storage section 30 flows into the atomization section 50, Atomizes the fluid to generate aerosols. In FIG. 10, the broken line arrow indicates the flow direction of the fluid, and the solid arrow indicates the flow direction of the aerosol and the outside air.

With this structure, control of the liquid of the electronic cigarette is realized, and the amount of fluid to be controlled is controlled, so that the consumer's smoking experience is improved.

9, the cavity 11 of the cartridge case 10 further includes an elastic part 40, and one end of the elastic part 40 is connected to one end of the low- And the other end thereof is connected to the plunger 25. [ There is no particular limitation on the specific type of the elastic part 40. In this embodiment, the elastic part 40 is a spring and the spring is projected to the plunger 25. [ The mouthpiece 20 does not move and the plunger 25 is brought into contact with the outlet port 32 by the elastic force of the elastic part 40 so that the outlet port of the fluid in the bottom port 30 (32). The insertion end 21 of the mouthpiece 20 is separated from the outer wall of the low liquid part 30 along the stretching direction so that the plunger 25 The elastic part 40 is compressed and the plunger 25 is separated from the outlet port 32 so that the fluid in the bottom port 30 can be discharged from the outlet port 32 . The elastic member 40 is compressed to generate an elastic force so that the plunger 25 is automatically driven to move to the outlet port 32 so that the plunger 25 is moved to the outlet port 32 And prevents the fluid in the low-liquid part (30) from flowing out from the liquid outlet (32).

11, one end of the elastic part 40 is connected to the insertion end 21 and the other end is connected to the outer wall of the low-fluid part 30. In this embodiment, The elastic part 40 is a tension spring and when the user does not drink the mouthpiece 20 does not move and the plunger 25 is driven by the elastic force of the elastic part 40, 32 to prevent the fluid in the low liquid portion 30 from flowing out from the liquid outlet 32. The user inserts the mouthpiece 20 so that the insertion end 21 of the mouthpiece 20 is separated from the outer wall of the liquid storage portion 30 along the stretching direction and the plunger 25 is disengaged from the mouthpiece The elastic part 40 is pulled and the plunger 25 is separated from the liquid outlet 32 to prevent the fluid in the liquid pool 30 from flowing out from the liquid outlet 32. [ The elastic member 40 is pulled to generate an elastic force so that the plunger 25 is automatically moved to the outlet port 32 so that the plunger 25 is moved toward the outlet port 32 And prevents the fluid in the low-liquid part (30) from flowing out from the liquid outlet (32).

9, in this embodiment, the mouthpiece 20 includes the gripping portions 23, the gripping portions 23 are provided so as to surround the outer peripheral surface of the cartridge case 10, There is no particular limitation on the specific numerical value of the clearance in the radial direction, and in the present embodiment, the clearance in the radial direction is 0.1 mm-0.5 mm (0.1 mm and 0.5 mm), for example, 0.3 mm, 0.44 mm, or 0.48 mm. The radial clearance satisfies that the holding portion 23 achieves the guiding action when the holding portion 23 is provided, thereby preventing the plunger 25 from shifting away from the drawing direction.

When the plunger 25 separates from the outlet 32 in the elongating direction and moves again to the outlet 32, the holding part 23 achieves the action of restricting the guide and the plunger 25 moves in the elongating direction So that the plunger 25 is brought into contact with the outlet port 32 accurately to prevent the fluid in the outlet port 30 from flowing out from the outlet port 32 to prevent liquid leakage . Otherwise, when the plunger 25 moves relative to the liquid outlet 32, there is a risk that the plunger 25 moves away from the elongating direction and comes into contact with the liquid outlet 32, but the liquid outlet 32 is not completely sealed , The fluid in the low liquid part 30 flows out from the liquid outlet 32 and the liquid leaks.

In this case, by loosening the holding portions 23, the insertion end 21 of the dental mouthpiece 20 and the insertion end 21 of the mouthpiece 20 can be designed to be screwed to the outer circumferential surface of the cartridge case 10, ) Along the stretching direction with respect to the outer wall, and further, the action of the guide and the restriction can be achieved.

12, the mouthpiece 20 may not include the holding portions 23, and a radial clearance may exist between the insertion end 21 and the inner peripheral surface of the cartridge case 10, In the present embodiment, the radial direction clearance is 0.1 mm-0.5 mm (including 0.1 mm and 0.5 mm). For example, the radial clearance is 0.3 mm, 0.44 mm Or 0.48 mm. The radial clearance satisfies that the plunger 25 can move stably along the stretching direction without moving outward from the stretching direction. The insertion end 21 of the mouthpiece 20 may be designed to be screwed to the inner circumferential surface of the cartridge case 10 by loosening the insertion end 21. The insertion end 21 of the mouthpiece 20 and the outer wall of the low- And a guide and a restricting action are further achieved.

The method of separating or abutting the mouthpiece 20 and the outer wall of the low liquid part 30 is not limited to the above embodiment and the cartridge 1 may have the first state and the second state.

13, in another embodiment, a first radial projection 35 and a second radial projection 36 provided opposite to the inner wall of the low liquid part 30 are provided, and the first radial projection 35 And the second radial projection 36 form a restricting portion and the plunger 25 is movably inserted in the gripping portion 23 and the gripping portion 23 moves in the radial direction of the plunger 25 . The plunger 25 moves accurately in the drawing direction without straying from the stretching direction and moving in the drawing direction stably so that the plunger 25 is brought into contact with the ejecting port 32 accurately and the ejection port 32 to prevent oil leakage.

9, in the present invention, the holding portion 23 has a concave portion 24 that is recessed along the diameter direction and / or a convex portion 13 that protrudes out along the radial direction, , The user can more easily take out the dental mouthpiece 20 and control the lifting or lowering of the plunger 25 more easily. In the present embodiment, the concave portion 24 is provided in the holding portion 23 and the concave portion 24 is provided so as to surround the entire circumference of the circumferential direction, Or a plurality of concave portions 24 are provided and spaced apart in the circumferential direction. In another embodiment, the convex portion is provided in the holding portion 23, and the convex portion is provided so as to surround the circumferential pole, or the convex portion is partially disposed surrounding the circumferential direction, or the convex portions are plural, Respectively. Alternatively, in another embodiment, both the concave portion 24 and the convex portion are provided in the holding portion 23.

In the present invention, there is no particular limitation on the abutment method of the plunger 25 and the liquid outlet 32. When the plunger 25 and the liquid outlet 32 are in contact with each other, The outflow from the outlet 32 may be prevented. 9, the plunger 25 has an insertion portion 26, the insertion portion 26 is inserted into the outlet port 32, and the outlet port 32 is also inserted into the outlet port 32. In this embodiment, In the radial direction. The outflow port 32 is an isosceles and the outer diameter of the insertion portion 26 gradually increases in the direction from the liquid outlet 32 to the plunger 25 and the inner diameter of the liquid outlet 32 is smaller than the inner diameter of the insertion portion 26, Between the minimum outer diameter and the maximum outer diameter. When the insertion portion 26 of the plunger 25 is partially inserted into the outlet port 32 by this design, it is brought into contact with the outlet port 32 in the radial direction to seal the outlet port 32 Thereby preventing the fluid from flowing out from the fluid outlet 32.

9, in this embodiment, a through hole is provided in a portion of the low liquid part 30 facing the insertion end 21, a seal member 34 is provided in the through hole, and the plunger 25 Is inserted into the seal member 34 so as to be tightly fitted to the seal member 34. Since the fluid in the plunger 25 is scraped off by the seal member 34 during the removal process, oil leakage is further prevented. The specific type of the seal member 34 is not particularly limited. In the present embodiment, the seal member 34 is a silica gel plug.

9, the cartridge 1 further includes an atomization section 50, and the liquid discharge port 32 of the liquid storage section 30 is provided toward the atomization section 50 do. There is no particular limitation on the specific type of the atomization section 50 and it is sufficient that the fluid flowing from the discharge port 32 to the atomization section 50 is atomized to generate aerosols. For example, the atomization section 50 may be a porous ceramic heater, or a combination of a glass fiber rope and an electric heating wire, or other type of heating structure.

9, in the present embodiment, the atomization portion 50 has a convex shape extending portion, a sealing ring 33 is provided on the outer peripheral surface of the convex shape extending portion, and a convex shape extending portion is provided in the outlet port 32 And the sealing ring 33 is tightened with the inner circumferential surface of the outlet port 32. The heat insulating portion 51 is projected on the outer peripheral surface of the convex shape extending portion and the sealing ring 33 is projected to the heat insulating portion 51. [ The heat insulating portion 51 achieves the heat insulating action and avoids the transfer of the heat amount by the atomizing portion 50 to the sealing 33. The specific type of the heat insulating portion 51 is not particularly limited. In the present embodiment, the heat insulating portion 51 may be a glass fiber tube or a surface. In another embodiment, the heat insulating portion may not be provided.

14 and 9, the present invention also provides an electronic cigarette comprising a cartridge 1 according to any one of the above-described embodiments, wherein the cartridge 1 is provided with a mouthpiece 20 And the connecting member 60 is for one end to support the atomization portion 50 and the other end to be connected to the tobacco rod 2 of the electronic cigarette. A power source (not shown) is provided in the tobacco rod 2, and the power source is for feeding the atomization part 50 in the cartridge 1. [

In the present invention, the connection method of the tobacco rod 2 and the cartridge 1 is not particularly limited. In the present embodiment, the cartridge 1 is screwed to the tobacco rod 2 by the connecting member 60 . When the electrode 70 is provided in the connecting member 60 and the connecting member 60 is connected to the tobacco rod 2, the power source in the tobacco rod 2 is fed by the electrode 70 to the atomizing unit 50 do.

14, when the aerosol passage 22 is detected to be in a conductive state, a smoke passage sensor 2a for feeding power to the atomization section 50 by controlling the power source is provided in the tobacco rod 2 do. When the aerosol passage 22 is in the closed state, the power source does not feed the atomization section 50, so that it is possible to prevent the atomization section 50 from being heated without liquid.

As described above, the embodiments of the present invention are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Those skilled in the art will appreciate that variations and modifications can be made to the embodiments without departing from the spirit and scope of the invention. Accordingly, all equivalents and variations that the person skilled in the art may make based on the spirit or technical concept disclosed in the present invention are included in the claims of the present invention.

Claims (40)

A housing having a cavity;
A mouthpiece provided at one end of the housing and provided with a plunger and an insertion end along the extending direction of the cavity,
A liquid storage portion having an ejection port and having the plunger inserted therein;
An aerosol passage provided in the housing and communicating with the mouthpiece,
In the first state, the insertion end of the mouthpiece is brought into contact with the outer wall of the lower liquid part along the stretching direction to close the aerosol passage, and the plunger is brought into contact with the liquid ejection opening, To prevent the outflow from,
In the second state, the insertion end of the mouthpiece is separated from the outer wall of the low-fluid portion along the stretching direction to open the aerosol passage, and the plunger is separated from the fluid outlet so that fluid in the fluid- And the air is supplied to the aerosol generator. The method according to claim 1,
Wherein the plunger has an insertion portion, the insertion portion is inserted into the ejection port, and the ejection port can be abutted to the ejection port in the radial direction. The method of claim 2,
Wherein the outflow port is an isosceles-shaped body and the outer diameter of the insertion portion gradually increases in the direction from the outlet port to the plunger, and the inner diameter of the outlet port is set between the minimum outer diameter and the maximum outer diameter of the insertion portion Wherein the aerosol generating device comprises: The method of claim 2,
Wherein the inserting portion is of a boss structure and the boss of the inserting portion is inserted into the discharging port and abuts on the inner wall of the discharging port. The method according to claim 1,
Wherein the mouthpiece is provided with an engaging member, the plunger is provided with an engaging groove, and the engaging member is engaged with the engaging groove. The method of claim 2,
Wherein a penetrating hole is provided in a portion of the low-fluid portion facing the insertion end, and a seal member is provided in the through-hole, the plunger penetrating the seal member so as to fit tightly with the seal member. The method according to claim 1,
Further comprising an atomization section, and an outlet port of the low-fluid section is provided toward the atomization section. The method of claim 7,
Wherein the atomizing portion includes a heating body and an atomizing cavity, the heating body is located below the liquid delivering port, the liquid derived from the liquid discharging port is atomized by the heating body, and then flows into the aerosol passage via the atomization cavity Wherein the aerosol generating device comprises: The method of claim 8,
Wherein the aerosol passage is located at one side of the low liquid portion and the atomizing portion, and communicates with the atomization cavity. The method of claim 9,
Wherein the aerosol passage comprises:
A first aerosol passage provided on the outflow side of the atomization aerosol along the stretching direction and communicating with the atomization cavity,
And a second aerosol passage provided on one side of the low-fluid portion along the stretching direction and passing through the low-fluid portion,
Wherein the first aerosol passage and the second aerosol passage communicate with each other through a sealing pipe. The method of claim 10,
Wherein the atomization cavity is provided with an intake hole and an aerosol outlet, and the aerosol outlet communicates with the first aerosol passage. The method of claim 8,
Wherein the heating body is a porous ceramic heater. The method according to claim 1,
Wherein the mouthpiece is provided with a suction port, and in the second state, the aerosol passes through the aerosol passage and is sucked from the suction port. The method of claim 7,
Wherein the housing and the mouthpiece are integrally formed. 15. The method of claim 14,
Wherein the low-fluid portion, the atomization portion, and the aerosol passage are both provided in the housing, and the housing is movable with respect to the low-fluid portion, the atomization portion, and the aerosol passage along the stretching direction. 16. The method of claim 15,
A limiting protrusion is provided on the outer surface of the low fluid level portion and the housing is provided with a sliding groove and the limiting protrusion is located in the sliding groove and is used for limiting the moving distance of the housing in the extending direction . The method of claim 6,
Wherein the plunger is provided with an elastic part, the elastic part is located between the seal member and the insertion part, or the elastic part is positioned between the seal member and the mouthpiece, Or to drive the insert to hold the aerosol. An aerosol generating apparatus as set forth in any one of claims 1 to 17,
And a main housing in which a mounting portion is provided,
Wherein the atomizing portion of the aerosol generating device is provided in the mounting portion, and the low-fluid portion is detachably connected to the mounting portion. 19. The method of claim 18,
Further comprising a trigger sensor,
Characterized in that the trigger sensor is provided at a junction of an aerosol outlet of the aerosol generator and a first aerosol passage of the aerosol generator, and the trigger sensor is for detecting a change in air pressure in the aerosol passage . 19. The method of claim 18,
A power supply and a control circuit board are further provided in the main housing,
Wherein the power source is for feeding power to the atomization unit,
Wherein the control circuit board is for controlling the atomization of the fluid by the atomization unit. A cartridge case having a cavity,
A mouthpiece having an aerosol passage and movably inserted in one end of the cavity and provided with a plunger extending in the extending direction of the cavity at an insertion end,
And a low-liquid portion having an ejection port and inserting the plunger therein,
In the first state, the insertion end of the mouthpiece is brought into contact with the outer wall of the lower liquid part along the stretching direction to close the aerosol passage, and the plunger is brought into contact with the liquid ejection opening, To prevent the outflow from,
In the second state, the insertion end of the mouthpiece is separated from the outer wall of the low-fluid portion along the stretching direction to open the aerosol passage, and the plunger is separated from the fluid outlet so that fluid in the fluid- To the cartridge. 23. The method of claim 21,
Wherein one end is connected to the insertion end and the other end is connected to the outer wall, or one end is connected to the inner wall of the low-fluid part, and the other end is connected to the plunger. 23. The method of claim 22,
Wherein the mouthpiece includes a holding portion, the holding portion is provided so as to surround the outer circumferential surface of the cartridge case, and a clearance in the radial direction exists between the holding portion and the outer peripheral surface of the cartridge case Lt; / RTI > 23. The method of claim 21,
Wherein the mouthpiece includes a nip portion, and the nip portion is screwed to the outer circumferential surface of the cartridge case. 23. The method of claim 22,
Wherein a radial direction clearance exists between the insertion end and an inner circumferential surface of the cartridge case. 23. The method of claim 21,
And the insertion end is screwed to the inner circumferential surface of the cartridge case. 23. The method according to claim 23 or 25,
Wherein the radial clearance is 0.1 mm-0.5 mm. The method of claim 23 or 24,
Wherein the nip portion has a recessed portion along the radial direction and / or a convex portion protruding out along the radial direction. 29. The method of claim 28,
The concave portion may be provided so as to surround the entire circumference of the circumferential direction, or the concave portion may be partially enclosed along the circumferential direction, or the concave portions may be plural, circumferentially spaced apart, and / Or the convex portion is provided so as to surround the circumferential pole, or the convex portion is partially enclosed along the circumferential direction, or the convex portion is plural and circumferentially spaced apart. 24. The method of claim 23,
Wherein the first radial projection and the second radial projection form a restricting portion, and the plunger moves to the gripping portion, and the first radial projection and the second radial projection project from the inner wall of the low- Wherein the clamping portion is for restricting the radial movement of the plunger. 23. The method of claim 21,
Wherein the plunger has an insertion portion, the insertion portion is inserted into the ejection port, and is brought into contact with the ejection port in the radial direction. 32. The method of claim 31,
Wherein the ejection port is an isosceles protrusion and the outer diameter of the insertion portion gradually increases in the direction from the ejection port to the plunger and the inner diameter of the ejection port is between the minimum outer diameter and the maximum outer diameter of the insertion portion. . 23. The method of claim 21,
Wherein a through hole is provided in a portion of the low-fluid portion facing the insertion end, and a seal member is provided in the through-hole, and the plunger is inserted into the seal member so as to be fitted into the seal member. 23. The method of claim 21,
Further comprising an atomizing portion,
And an outlet port of the low-liquid part is provided toward the atomization part. 35. The method of claim 34,
Characterized in that the atomizing portion has a convex shape extending portion, a seal member is provided on the outer circumferential surface of the convex shape extending portion, the convex shape extending portion is inserted in the outflow port, and the seal member is tightened with the inner circumferential surface of the outflow port. . 36. The method of claim 35,
Wherein a heat insulating portion is provided on an outer peripheral surface of the convex shape extending portion, and the seal member is projected to the heat insulating portion. 35. The method of claim 34,
The aerosol having a radial clearance between the outer circumferential surface of the low-fluid portion and the cavity and being atomized by passing the fluid through the atomization portion flows into the aerosol passage through the radial clearance together with the external air, And the cartridge is discharged and drunk. An electronic cigarette comprising the cartridge according to any one of claims 21 to 26, and a cartridge according to any one of claims 30 to 37. 42. The method of claim 38,
Further comprising a tobacco rod,
And a power source for feeding the atomizing portion in the cartridge is provided in the tobacco rod. 42. The method of claim 39,
Wherein a smoke passage sensor is provided in the tobacco rod for controlling the power source to feed the atomization unit when the aerosol passage is detected to be in a conductive state.

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