Classifications

• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
  • A24F40/42—Cartridges or containers for inhalable precursors
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/40—Constructional details, e.g. connection of cartridges and battery parts
  • A24F40/48—Fluid transfer means, e.g. pumps
  • A24F40/485—Valves; Apertures
• • A—HUMAN NECESSITIES
  • A24—TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
  • A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
  • A24F40/00—Electrically operated smoking devices; Component parts thereof; Manufacture thereof; Maintenance or testing thereof; Charging means specially adapted therefor
  • A24F40/10—Devices using liquid inhalable precursors

Definitions

• the disclosure relates to the field of electronic cigarette, and more particularly to an electronic atomization device with an external e-liquid tank.
• Conventional electronic cigarettes usually include only one e-liquid chamber to provide e-liquid to the heating wire and produce smoke.
• the e-liquid is filled into the e-liquid chamber during production, but this leads to problems such as e-liquid leakage and deterioration during storage and transportation.
• some electronic cigarettes do not contain prefilled e-liquid during production, when in use, the user needs to load the e-liquid into the e-liquid chamber. The operation is complex, and the e-liquid leakage is easy to occur in the filling process, thus contaminating the electronic cigarette, and affecting the user experience.
• some e-cigarettes are equipped with e-liquid bottles, which are sealed with bottle caps during transportation and storage.
• users need to unscrew the bottle cap and install the e-liquid bottle on the e-cigarette, and the e-liquid enters the e-liquid chamber and is heated by the heating wire to produce vapor or smoke.
• the e-liquid may be leaked out of the e-liquid bottle and contaminate the e-cigarette.
• the installation operation is not simple, affecting the user experience.
• the disclosure provides an electronic atomization device with an external e-liquid tank to solve the exiting technical problems such as inconvenient e-liquid filling and the leakage of the e-liquid.
• the disclosure provides an electronic atomization device with an external e-liquid tank, comprising:
• main body comprising a first e-liquid chamber, a first e-liquid transportation part communicating with the first e-liquid chamber, and an atomization core disposed in the first e-liquid chamber for producing vapor when being heated; and the main body defining an installation space;
• an e-liquid tank disposed in the installation space, the e-liquid tank comprising a second e-liquid chamber, a second e-liquid transportation part communicating with the first e-liquid transportation part, and a mobile plug moveable between a first position and a second position, where, in the first position, the mobile plug unseals the second e-liquid chamber so that the second e-liquid chamber communicates with the second e-liquid transportation part, and in the second position, the mobile plug seals the second e-liquid chamber so that the second e-liquid chamber does not communicate with the second e-liquid transportation part.
• the e-liquid tank is detachably connected to the main body; and the main body further comprises a lug boss corresponding to the mobile plug in position, and the lug boss is configured to drive the mobile plug to move to the first position.
• the e-liquid tank further comprises a through hole; the through hole communicates with the second e-liquid chamber and the second e-liquid transportation part; the mobile plug is disposed in the through hole; the through hole extends in a first direction, and the second e-liquid transportation part extends in a second direction; and the first direction intersects with the second direction.
• the main body comprises a first side wall and a second side wall both facing the installation space; the lug boss is disposed on the first side wall, and the first e-liquid transportation part is disposed on the second side wall.
• the electronic atomization device further comprises at least one first magnetic piece and at least one second magnetic piece; the at least one first magnetic piece is disposed on the main body, and the at least one second magnetic piece is disposed on the e-liquid tank; the at least one first magnetic piece corresponds to the at least one second magnetic piece in position; and the main body is magnetically connected to the e-liquid tank through the interattraction of the at least one first magnetic piece and the at least one second magnetic piece.
• the electronic atomization device further comprises a guide groove and a guide protrusion; the guide protrusion is embedded in the guide groove; one of the guide groove and the guide protrusion is disposed on the main body, and the other is disposed on the e-liquid tank; and the e-liquid tank is slidably connected to the main body through the cooperation of the guide groove and the guide protrusion.
• the second side wall of the main body comprises a recess and a raised step disposed in the recess; the first e-liquid transportation part is disposed on the raised step; the first e-liquid transportation part is surrounded by a first seal ring; the e-liquid tank comprises a protruding rib corresponding to the recess in position; the guide groove is disposed on the second side wall of the main body, and the guide protrusion is disposed on the protruding rib and corresponds to the guide groove.
• the mobile plug comprises a sealing cap, a connecting rod, and a sealing base;
• the connecting rod is disposed between the sealing cap and the sealing base;
• the sealing cap is disposed outside one end of the through hole and extends towards the second e-liquid chamber;
• a radial dimension of the sealing cap is designed to cover and seal the through hole;
• the connecting rod is disposed in the through hole, and there is a clearance space between an outer peripheral wall of the connecting rod and an annular wall of the e-liquid tank surrounding the through hole;
• the sealing base is disposed in the through hole and seas one end of the through hole away from the sealing cap.
• the mobile plug comprises an elastic member for elastic movement and resetting of the mobile plug.
• the e-liquid tank comprises a shell and a tank base; the second e-liquid chamber is disposed in the shell; the tank base is in sealed connection to one end of the shell; the second e-liquid transportation part is disposed on the tank base; the through hole is disposed on the tank base; the mobile plug is disposed on the tank base; the sealing cap is disposed on one side of the tank base facing the second e-liquid chamber and covers the through hole; the elastic member comprises a first end fixed on the tank base and a second end fixed on the mobile plug.
• the tank base comprises an enclosing wall extending towards the second e-liquid chamber for guiding the sealing cap; the through hole is disposed in a space enclosed by the enclosing wall, and the enclosing wall comprises at least one axial notch.
• a second seal ring is disposed between the sealing cap and one side of the tank base facing the second e-liquid chamber, and a third seal ring is disposed between the sealing base and an annular wall of the tank base surrounding the through hole.
• the main body further comprises a mouthpiece and an atomization channel, and vapor or smoke generated by the atomization core flows towards the mouthpiece through the atomization channel.
• the main body is L-shaped; a piece of cotton is disposed in the first e-liquid chamber; a second e-liquid absorbing part is disposed in the recess; the e-liquid tank comprises an e-liquid injection hole; a filling plug is detachably disposed in the e-liquid injection hole; and the main body further comprises an electric cell for supplying power to the atomization core.
• the first e-liquid transportation part and/or the second e-liquid transportation part comprise(s) a first e-liquid absorbing part.
• the electronic atomization device of the disclosure comprises an external e-liquid tank; when in use, the external e-liquid tank is directly mounted on the installation space of the atomization device or the electronic cigarette, and the e-liquid is directly injected into the first e-liquid chamber from the second e-liquid chamber, which is easy and convenient to operate, does not produce pollution, thus improving the user experience.
• connection unless otherwise y specified and limited, the terms "connection”, “fixation”, and the like are to be broadly construed as, for example, a direct connection or an indirect connection through an intermediate medium, a connection within two elements or an interaction relationship between two elements, unless otherwise expressly defined.
• connection unless otherwise y specified and limited, the terms "connection”, “fixation”, and the like are to be broadly construed as, for example, a direct connection or an indirect connection through an intermediate medium, a connection within two elements or an interaction relationship between two elements, unless otherwise expressly defined.
• flow refers to the flow of fluids, that is, fluids (including liquids and/or gases) can flow from one component to another.
• connection between two components refers to direct connection between two components, for example, at least partially aligned between two holes, or connected through intermediate media.
• Electronic liquid means a mixture or auxiliary substance that can be atomized, in whole or in part, into an aerosol by an electronic or similar device.
• E-liquid can be an e-cigarette liquid, tobacco oil, a gel, a medical drug or skin lotion.
• an aerosol By atomizing the medium, an aerosol can be produced and delivered to the user for vaping or absorption.
• “Aerosol” means a colloidal dispersion system formed by the dispersion and suspension of small solid or liquid particles in a gaseous medium.
• Electrode 10 refers to a device that produces an aerosol of a stored atomizable substrate (e.g., tobacco oil), i.e., an atomizing substrate, by means of heating or ultrasonication, etc., including, but not limited to, e-cigarettes, atomizers, smoke cartridges, etc.
• a stored atomizable substrate e.g., tobacco oil
• atomizing substrate e.g., tobacco oil
• ultrasonication e.g., smoke cartridges, etc.
• the disclosure provides an electronic atomization device 10 with an external e-liquid chamber (hereinafter referred to as electronic atomization device 10 for convenience of description) for solving the problems of inconvenient installation of the e-liquid chamber in the related art, and the external e-liquid chamber is prone to be misoperated.
• the electronic atomization device 10 of the disclosure may be an electronic cigarette, an atomizer, or a cigarette cartridge, etc.
• the e-liquid tank 200 comprises a second e-liquid chamber 53 and a second e-liquid transportation part 54 communicating with the second e-liquid chamber 53.
• One end of the second e-liquid transportation part 54 communicates with the second e-liquid chamber 53, and the other end corresponds to the first e-liquid transportation part 52.
• the e-liquid tank 200 is disposed in the installation space C1.
• the first e-liquid transportation part 52 communicates with the second e-liquid transportation part 54.
• the e-liquid tank 200 further comprises a mobile plug 205 moveable between a first position A1 and a second position A2.
• the mobile plug 205 unseals the second e-liquid chamber 53 so that the second e-liquid chamber 53 communicates with the second e-liquid transportation part 54
• the mobile plug 205 seals the second e-liquid chamber 53 so that the second e-liquid chamber 53 does not communicate with the second e-liquid transportation part 54.
• the mobile plug 205 is located at the first position A1
• the e-liquid in the second e-liquid chamber 53 can flow along the circumference of the mobile plug 205 to the e-liquid transportation part 54, as shown in FIG. 10 .
• the mobile plug 205 is located at the second position A2, the e-liquid in the second e-liquid chamber 53 is blocked by the mobile plug 205 and cannot flow to the second e-liquid transportation part 54.
• the main body 100 further comprises a lug boss 1031 corresponding to the mobile plug 205 in position.
• the lug boss 1031 pushes the mobile plug 205 from the second position A2 to the first position A1, thereby connecting the second e-liquid chamber 53 with the second e-liquid transportation part 54.
• the disclosure has a simple structure and is convenient for users to operate. Users only need to press the e-liquid tank 200 corresponding to the main body 100 to achieve connection, reducing the risk of misoperation.
• the e-liquid tank 200 is detachably connected to the main body 100. Understandably, the users can replace different e-liquid tanks 200 by disassembling and replacing them in a timely manner after use, improving the user experience. At the same time, users can replace the e-liquid tanks 200 with different flavors of e-liquid according to their needs.
• the detachable connection methods include but are not limited to magnetic connection structure, buckle structure, plug-in structure, interference fit structure, sliding connection structure, etc.
• the e-liquid tank 200 can also be mounted onto the main body 100 and connected to the first and second e-liquid transportation parts 52 and 54 by pushing the mobile plug 205, and the whole structure cannot be disassembled, as needed.
• the first e-liquid transportation part 52 and/or the second e-liquid transportation part 54 comprise(s) a first e-liquid absorbing part 81, 82. It should be noted that both the first e-liquid transportation part 52 and the second e-liquid transportation part 54 are equipped with the first e-liquid absorbing part 81, 82. Optionally, one of the first and second e-liquid transportation parts 52 and 54 is equipped with the first e-liquid absorbing part.
• the first e-liquid absorbing part 81, 82 is made of porous materials that can absorb the e-liquid, such as cotton, fibers, or porous ceramics.
• the third side wall B3 of the e-liquid tank 200 is matched with the first side wall B1 of the main body 100, and the fourth side wall B4 of the e-liquid tank 200 is matched with the second side wall B2 of the main body 100, so that the e-liquid tank 200 is matched with the main body 100 and the two can be conveniently combined.
• the electronic atomization device 10 further comprises at least one first magnetic piece 118 and at least one second magnetic piece 208; the at least one first magnetic piece 118 is disposed on the main body 100, and the at least one second magnetic piece 208 is disposed on the e-liquid tank 200; the at least one first magnetic piece 118 corresponds to the at least one second magnetic piece 208 in position; and the main body100 is magnetically connected to the e-liquid tank 200 through the interattraction of the at least one first magnetic piece 118 and the at least one second magnetic piece 208. Understandably, the number and cross-sectional area of the first magnetic piece 118 and the second magnetic piece 208 can be adjusted according to the volume of the main body 100 and the e-liquid tank 200. Preferably, the first magnetic piece 118 and the second magnetic piece 208 are two in number, thus preventing misalignment caused by shaking during the connection process.
• the electronic atomization device 10 further comprises a guide groove 62 and a guide protrusion 61; the guide protrusion 61 is embedded in the guide groove 62; one of the guide groove 62 and the guide protrusion 61 is disposed on the main body 100, and the other is disposed on the e-liquid tank 200; and the e-liquid tank 200 is slidably connected to the main body 100 through the cooperation of the guide groove 62 and the guide protrusion 61.
• the guide groove 62 is disposed on the second side wall B2 of the main body 100, and the guide protrusion 61 is disposed on the fourth side wall B4 of the e-liquid tank 200.
• the guide protrusion 61 extends into the guide groove 62, so that the connection of the assembly of the e-liquid tank 200 and the main body 100 is tight and firm.
• the e-liquid tank 200 moves along the second side wall B2 to be detachably connected to the main body 100; the second e-liquid transportation part 54 moves along the second side wall B2 according to a preset track to be connected to or separated from the first e-liquid transportation part 52, and the second side wall B2 comprises a second e-liquid absorbing part 83 corresponding to the preset track.
• the second side wall B2 of the main body 100 comprises a recess 1032 corresponding to the preset track, and the second e-liquid absorbing part 83 is arranged in the recess.
• a raised step 1033 is disposed in the recess 1032; the first e-liquid transportation part 52 is disposed on the raised step 1033; the first e-liquid transportation part 52 is surrounded by a first seal ring 117; the e-liquid tank 200 comprises a protruding rib 2011 corresponding to the recess 1032 in position; the guide groove 62 is disposed on the second side wall of the main body 100, and the guide protrusion 61 is disposed on the protruding rib 2011 and corresponds to the guide groove 62.
• the guide protrusion 61 is two in number and protrudes in two opposite directions from each other.
• the first seal ring 117 is made of elastic plastic material, such as silicone, rubber, latex, etc.
• the recess 1032 comprises a second e-liquid absorbing part 83, which is disposed in the recess 1032 to prevent the e-liquid of the first e-liquid transportation part 52 and the second e-liquid transportation part 54 from seeping to the outside.
• the second e-liquid absorbing part 83 is made of porous materials that can absorb e-liquid, such as cotton, fibers, or porous ceramics.
• the e-liquid tank 200 comprises a shell 201 and a tank base 203; the second e-liquid chamber 53 is disposed in the shell 201; the tank base 203 is in sealed connection to one end of the shell 201; the second e-liquid transportation part 54 is disposed on the tank base 203.
• a fourth seal ring 202 is configured around the tank base 203.
• the fourth seal ring 202 is made of elastic plastic materials, such as silicone, rubber, latex, etc.
• the e-liquid tank 200 further comprises a through hole 55; the through hole 55 communicates with the second e-liquid chamber 53 and the second e-liquid transportation part 54; the mobile plug 205 is disposed in the through hole 55; the through hole 55 extends in a first direction D1, and the second e-liquid transportation part extends in a second direction D2 (refer to the drawings); and the first direction D1 intersects with the second direction D2.
• the first direction D1 is perpendicular to the second direction D2, and the second direction D2 is parallel to the second e-liquid transportation part 54 (that is, the first e-liquid transportation part 52 is flush with and communicates with the second e-liquid transportation part 54).
• the e-liquid tank 200 When the e-liquid tank 200 is mounted into the installation space C1, the e-liquid can flow smoothly to the first e-liquid chamber 51 inside the main body 100 under the action of gravity, avoiding the e-liquid flow from being blocked due to excessive angle. If the angle is too small, the e-liquid flow rate is too fast, easily leading to e-liquid leakage. Understandably, the angle at which the first direction D1 intersects with the second direction D2 is not limited to 90 degrees, and can deviate appropriately from 90 degrees, including but not limited to the range of 60-120 degrees, which also falls within the protection scope of the disclosure.
• the mobile plug 205 comprises a sealing cap 2051, a connecting rod 2052, and a sealing base 2053; the connecting rod 2052 is disposed between the sealing cap 2051 and the sealing base 2053; the sealing cap 2051 is disposed outside one end of the through hole 55 and extends towards the second e-liquid chamber; the radial dimension of the sealing cap 2051 is designed to cover and seal the through hole 55. Understandably, the radial dimension of the sealing cap 2051 should be slightly larger than the through hole 55 to ensure sealing performance.
• the connecting rod 2052 is disposed in the through hole 55, and there is a clearance space between an outer peripheral wall of the connecting rod 2052 and an annular wall of the e-liquid tank surrounding the through hole 55; and the sealing base 2053 is disposed in the through hole 55 and seas one end of the through hole 55 away from the sealing cap 2051. Understandably, the connecting rod 2052 and the sealing base 2053 can be integrally formed or detachably connected.
• the sealing cap 2051 is detachably connected to the connecting rod 2052 for easy assembly during production.
• a slot is also provided on one side of the sealing cap 2051 facing the connecting rod 2052, and the connecting rod 2052 extends into the slot to connect to the sealing cap 2051.
• the sealing cap 2051 is an elastic plastic structure, which enhances the sealing performance between the sealing cap 2051 and the tank base 203 when in contact.
• the elastic plastic structure includes but is not limited to silicone, rubber, latex, etc.
• a second seal ring 2054 is disposed between the sealing cap 2051 and one side of the tank base 203 facing the second e-liquid chamber 53
• a third seal ring 2055 is disposed between the sealing base 2053 and the annular wall of the tank base 203 surrounding the through hole 55, thus preventing the leakage of the e-liquid in the second e-liquid chamber 53 from the gap between the through hole 55 and the sealing cap 2051.
• the third sealing ring 2055 also has the function of preventing the backflow of the e-liquid in the second e-liquid passage from leaking from the through hole 55.
• the second sealing ring 2054 and the third sealing ring 2055 are made of elastic plastic materials, such as silicone, rubber, latex, etc.
• the tank base 203 further comprises an e-liquid injection hole 56 communicating with the second e-liquid chamber 53.
• a filling plug 207 is detachably disposed in the e-liquid injection hole 56. After the e-liquid tank 200 is detached from the main body 100, the user can take out the filling plug 207 and inject e-liquid into the second e-liquid chamber 53, so that the e-liquid tank 200 can be reused.
• the filling plug 207 is made of elastic plastic materials such as silicone, rubber, latex, etc.
• the mobile plug 205 comprises an elastic member 204 for elastic movement and resetting of the mobile plug 205.
• the elastic member 204 includes but is not limited to steel plate springs, spiral springs, torsion bar springs, gas springs, rubber springs, spring pieces, etc.
• the mobile plug 205 is disposed on the tank base 203; the sealing cap 2051 is disposed on one side of the tank base 203 facing the second e-liquid chamber 53 and covers the through hole 55; the elastic member 204 comprises a first end fixed on the tank base 203 and a second end fixed on the mobile plug 205.
• the elastic member 204 pushes the mobile plug 205 to reset, causing the sealing cap 2051 to return from the second position A2 to the first position A1 and seal the through hole 55.
• the tank base 203 comprises an enclosing wall 2031 extending towards the second e-liquid chamber 53.
• the enclosing wall 2031 is disposed around the sealing cap 2051, and has a guiding function thus preventing the mismatch of the sealing cap 2051 during the resetting process; the mismatch will lead to the mobile plug 205 to be unable to seal the through hole 55 and the e-liquid tank 200 to be unable to be reused.
• a notch 2032 is disposed on the enclosing wall 2031.
• the e-liquid in the second e-liquid chamber 53 flows along the notch 2032 to the through hole 55, and the e-liquid entering the through hole 55 enters the first e-liquid transportation part 52 along the second e-liquid transportation part 54, thereby achieving the e-liquid injection.
• the number of notches 2032 is adjusted according to the volume of the e-liquid in the second e-liquid chamber 53 to avoid excessive e-liquid volume and pressure, leading to e-liquid leakage.
• the notch 2032 comprises two channels opposite to each other.
• the main body 100 further comprises a mouthpiece 101, a seal gasket 102, a first housing 103, a main bracket 105, a piece of e-liquid absorbing cotton 104, a piece of e-liquid storage cotton 106, an atomization core 107, an atomization base 108, a pneumatic switch 109, an airflow sensor 110, a battery bracket 112, a battery cell 113, a display light 114, a second housing 115, and a power supply connector 116.
• the first housing 103 and the second housing 115 form the outer shell of the main body 100.
• the main bracket 105 and the battery bracket 112 are disposed inside the outer shell, and the atomization core 107 is disposed inside the main bracket 105.
• the piece of e-liquid storage cotton 106 is disposed in the first e-liquid chamber and surrounds the atomization core 107.
• the mouthpiece 101 and the seal gasket 102 are located at one end of the first housing 103 away from the second housing 115.
• the atomization core 107 comprises a fixed tube 1071, an e-liquid absorbing piece, and an electric heating element.
• the fixed tube 1071 comprises an e-liquid inlet, and the e-liquid absorbing piece and the electric heating element are located inside the fixed tube 1071.
• the e-liquid enters the fixed tube 1071 through the e-liquid inlet, is absorbed by the e-liquid absorbing piece, and is heated by the electric heating element to produce vapor or smoke.
• the e-liquid absorbing piece can be made of cotton, ceramics, e-liquid absorbing resins, etc.
• the electric heating element is made of conductive metal.
• the first e-liquid chamber comprises an atomization tube 1072 interconnected to or integrated with the fixed tube 1071.
• the atomization tube 1072 comprises an atomization channel 72.
• One end of the atomization tube 1072 away from the fixed tube 1071 is connected to the mouthpiece 101.
• the mouthpiece 101 comprises an opening 71, and the atomization channel is connected to the opening 71.
• the piece of e-liquid absorbing cotton 104 is disposed at one end of the main bracket 105 facing the mouthpiece 101, and the e-liquid absorbing cotton 104 comprises a through hole.
• the e-liquid absorbing cotton 104 is used to absorb the condensed liquid generated after atomization.
• the atomization seat 108 is disposed at one end of the atomization core 107 that is away from the mouthpiece 101.
• the battery cell 113 is disposed at one end of the main support 105 that is away from the mouthpiece.
• the pneumatic switch 109, the airflow sensor 110, the battery cell 113, and the power supply connector 1166 are arranged on the battery bracket 112, and the display light 114 is exposed on the surface of the first housing 103 and electrically connected to the battery cell 113.

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Citations (4)

• 2024
  • 2024-04-19 EP EP24171173.8A patent/EP4595786A1/fr active Pending

Patent Citations (5)

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