US20220000181A1 - Cartridge and electronic cigarette - Google Patents

Cartridge and electronic cigarette Download PDF

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Publication number
US20220000181A1
US20220000181A1 US17/481,342 US202117481342A US2022000181A1 US 20220000181 A1 US20220000181 A1 US 20220000181A1 US 202117481342 A US202117481342 A US 202117481342A US 2022000181 A1 US2022000181 A1 US 2022000181A1
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US
United States
Prior art keywords
liquid
atomizing
liquid storage
storage chamber
supporting base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
US17/481,342
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English (en)
Inventor
Weihua Qiu
Neng HUA
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Paiteng Electronic Technology Co Ltd
Original Assignee
Changzhou Paiteng Electronic Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201910223770.5A external-priority patent/CN111728274A/zh
Priority claimed from CN201910223781.3A external-priority patent/CN111728275A/zh
Priority claimed from CN201910224294.9A external-priority patent/CN111728276A/zh
Application filed by Changzhou Paiteng Electronic Technology Co Ltd filed Critical Changzhou Paiteng Electronic Technology Co Ltd
Assigned to Changzhou Patent Electronic Technology Co., LTD reassignment Changzhou Patent Electronic Technology Co., LTD ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HUA, Neng, QIU, WEIHUA
Publication of US20220000181A1 publication Critical patent/US20220000181A1/en
Pending legal-status Critical Current

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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
    • A24F40/48—Fluid transfer means, e.g. pumps
    • 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
    • A24F40/44—Wicks
    • 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
    • A24F40/46—Shape or structure of electric heating means
    • 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 technical field of electronic cigarette, and more particularly, relates to a cartridge and an electronic cigarette capable of automatically supplying liquid.
  • the liquid supply mode of the electronic cigarette is to provide a liquid storage member, and then the liquid storage member can provide the e-liquid required for atomization to the atomizer by manual or by suction using a liquid absorbing member.
  • some e-cigarettes are equipped with liquid pumps to automatically pump e-liquid into the atomizer.
  • the air pressure in the liquid storage chamber decreases to cause suffocation in the liquid storage chamber.
  • the working load of the piezoelectric pump is increased, thereby causing damage to the piezoelectric pump.
  • a cartridge includes:
  • an atomizer including a supporting base and an atomizing head installed in the supporting base;
  • liquid storage container installed on the supporting base, a liquid storage chamber being provided between the liquid storage container and the supporting base;
  • a liquid pump configured for pumping e-liquid in the liquid storage chamber to the atomizing head
  • a constant pressure member installed in the supporting base and only allowing external air to flow into the liquid storage chamber in one direction.
  • the supporting base is provided with a constant pressure hole in communication with the external air and the liquid storage chamber, the constant pressure member is installed in the constant pressure hole.
  • the supporting base includes an atomizing seat and an atomizing bracket installed on the atomizing seat, the atomizing seat is provided with an air inlet hole in communication with the external environment, a mounting hole communicating the air inlet hole and the liquid storage chamber is provided through the atomizing bracket, the air inlet hole and the mounting hole together serve as the constant pressure hole.
  • the constant pressure member is a one-way valve or a waterproof breathable membrane.
  • an outer periphery of the supporting base is provided with an assembling portion, the liquid pump is installed in the assembling portion.
  • the supporting base includes an atomizing bracket, the atomizing head is installed in the atomizing bracket;
  • the atomizing bracket includes a top portion facing the user's mouth, a bottom portion facing away from the top portion, and a side portion connected between the top portion and the bottom portion;
  • the assembling portion is formed on the side portion of the atomizing bracket, the liquid pump is installed into the assembling portion and is located in the flow path of the e-liquid to serve as a part of the fluid passage communicating the liquid storage chamber and the atomizing head.
  • the liquid pump includes a pump body, the pump body is provided with a liquid suction port in communication with the liquid storage chamber and a liquid pumping port in communication with the atomizing head; a liquid outlet in communication with the atomizing head is provided inside the atomizing bracket; an included angle between a central axis of the fluid passage between the liquid pumping port and the liquid outlet and a central axis of the atomizer is ⁇ , and 0° ⁇ 90°.
  • the liquid pump includes a pump body, the pump body is provided with a liquid suction port in communication with the liquid storage chamber and a liquid pumping port in communication with the atomizing head; the liquid suction port and the liquid pumping port are both located on the same side of the pump body facing the atomizing head.
  • An electronic cigarette includes the above cartridge and a battery device configured for providing electric driving for the cartridge.
  • the liquid pump since the liquid pump has a fast starting speed, when the e-liquid in the liquid storage chamber decreases, the air pressure in the liquid storage chamber decreases to cause suffocation in the liquid storage chamber, causing the working load of the piezoelectric pump to increase and accordingly causing damage to the piezoelectric pump.
  • the air in the liquid storage chamber can be quickly replenished, so that the air pressure in the liquid storage chamber is balanced, and the piezoelectric pump can pump the e-liquid more smoothly.
  • a cartridge includes:
  • an atomizer including a supporting base and an atomizing head installed in the supporting base;
  • liquid storage container installed on the supporting base, a liquid storage chamber being provided between the liquid storage container and the supporting base;
  • a liquid pump configured for pumping e-liquid in the liquid storage chamber to the atomizing head
  • an outer periphery of the supporting base is provided with an assembling portion, and the liquid pump is installed in the assembling portion.
  • the supporting base includes an atomizing bracket, the atomizing head is installed in the atomizing bracket;
  • the atomizing bracket includes a top portion facing the user's mouth, a bottom portion facing away from the top portion, and a side portion connected between the top portion and the bottom portion;
  • the assembling portion is formed on the side portion of the atomizing bracket, the liquid pump is installed into the assembling portion and is located in the flow path of the e-liquid to serve as a part of the fluid passage communicating the liquid storage chamber and the atomizing head.
  • the liquid pump includes a pump body, the pump body is provided with a liquid suction port in communication with the liquid storage chamber and a liquid pumping port in communication with the atomizing head; a liquid outlet in communication with the atomizing head is provided inside the atomizing bracket; an included angle between a central axis of the fluid passage between the liquid pumping port and the liquid outlet and a central axis of the atomizer is ⁇ , and 0° ⁇ 90°.
  • the liquid pump includes a pump body, the pump body is provided with a liquid suction port in communication with the liquid storage chamber and a liquid pumping port in communication with the atomizing head; the liquid suction port and the liquid pumping port are both located on the same side of the pump body facing the atomizing head.
  • the liquid pump is a piezoelectric pump.
  • the supporting base includes an atomizing seat installed to the bottom portion of the atomizing bracket, the atomizing seat is provided with an air inlet hole in communication with the external environment, a mounting hole communicating the air inlet hole and the liquid storage chamber is provided through the atomizing bracket;
  • the cartridge further includes a constant pressure member, the constant pressure member is installed in the constant pressure hole and only allows external air to flow into the liquid storage chamber in one direction.
  • the constant pressure member extends toward the top of the liquid storage chamber and into the air layer above the liquid storage chamber.
  • the constant pressure member is a duckbill one-way valve.
  • the atomizing head includes a liquid absorbing member and a heating member, the heating member is a porous ceramic heating member, and the liquid absorbing member is made of porous ceramic.
  • An electronic cigarette includes the above cartridge and a battery device configured for providing electric driving for the cartridge.
  • the liquid transfer between the liquid storage chamber and the atomizing head is performed by the liquid pump.
  • the liquid pump can automatically supply e-liquid according to the consumption of the atomizing head, thereby effectively preventing liquid leakage and dry burning.
  • the liquid pump is installed into the outer periphery of the supporting base through the assembling portion, so that the liquid pump can be directly installed from the outside of the supporting base, which is convenient for assembly and disassembly.
  • FIG. 1 is a schematic structural diagram of a cartridge of an electronic cigarette according to one embodiment of the present disclosure
  • FIG. 2 is an exploded schematic diagram of the cartridge of the electronic cigarette shown in FIG. 1 ;
  • FIG. 3 is a bottom view of the cartridge of the electronic cigarette shown in FIG. 1 ;
  • FIG. 4 is a cross-sectional view of the cartridge shown in FIG. 3 along the A-A direction;
  • FIG. 5 is a front view of the cartridge of the electronic cigarette shown in FIG. 1 ;
  • FIG. 6 is a cross-sectional view of the cartridge shown in FIG. 5 along the B-B direction.
  • an electronic cigarette 100 includes a cartridge 10 and a battery device (not shown) for providing electric driving for the cartridge 10 .
  • the e-liquid stored in the cartridge 10 can be heated by the electric driving of the battery device to generate smoke, and the smoke can be inhaled by the user.
  • the cartridge 10 includes an atomizer 11 , a liquid storage container 13 and a liquid pump 15 .
  • a liquid storage chamber 130 (as shown in FIG. 4 ) for storing e-liquid is formed in the liquid storage container 13
  • the liquid pump 15 is used to automatically pump the e-liquid in the liquid storage chamber 130 into the atomizer 11
  • the e-liquid is heated by the battery device to form smoke for the user to inhale.
  • the atomizer 11 includes a supporting base 110 and an atomizing head 112 .
  • the supporting base 110 is configured to provide an installation foundation, and the outer periphery, of the supporting base 110 is provided with an assembling portion 1101 in communication with the outside.
  • the liquid pump 15 is detachably installed in the assembling; portion 1101 and used for pumping e-liquid into the atomizing head 112 .
  • the liquid storage chamber 130 is defined between the liquid storage container 13 and the supporting base 110 .
  • the above-mentioned “outer periphery” refers to the outer surface of the supporting base 110 exposed to the external environment when it is not installed in the liquid storage container 13 .
  • the above-mentioned “assembling portion 1101 ” includes but is not limited to a notch, hole, groove, and the like.
  • the supporting base 110 includes an atomizing bracket 1103 and an atomizing seat 1105 .
  • the atomizing bracket 1103 is installed on the atomizing seat 1105
  • the atomizing head 112 is installed in the atomizing bracket 1103 . It is understood that, in other embodiments not shown, the atomizing seat 1105 and the atomizing bracket 1103 are integrally formed.
  • the atomizing bracket 1103 includes a top portion 1103 A facing the user's mouth, a bottom portion 1103 B facing away from the top portion, and a side portion 1103 C connected between the top portion 1103 A and the bottom portion 1103 B.
  • the assembling portion 1101 is formed on the side portion 1103 C of the atomizing bracket 1103 .
  • the liquid pump 15 is installed into the assembling portion 1101 from the side portion 1103 C of the atomizing bracket 1103 and is located in the flow path of the e-liquid to serve as a part of the fluid passage communicating the liquid storage chamber 130 and the atomizing head 112 .
  • the assembling portion 1101 is formed on the top portion 1103 A or the bottom portion 1103 B of the atomizing bracket 1103 .
  • the liquid pump 15 is installed into the assembling portion 1101 from the top portion 1103 A or from the bottom portion 1103 B of the atomizing bracket 1103 .
  • the top portion 1103 A of the atomizing bracket 1103 is provided with a liquid inlet 1104 A in communication with the liquid storage chamber 130 .
  • a liquid outlet 1104 B (as shown in FIG. 4 ) in communication with the atomizing head 112 is provided inside the atomizing bracket 1103 .
  • the channel between the liquid inlet 1104 A and the liquid outlet 1104 B is the fluid passage for the flowing of the e-liquid.
  • the liquid pump 15 can be freely installed into the assembling portion 1101 from the side portion 1103 C of the atomizing bracket 1103 , which is easy to disassemble and assemble.
  • the liquid pump 15 serves as a part of the fluid passage, so that the e-liquid in the liquid storage chamber 130 can be automatically and timely supplied into the atomizing head 112 , so as to avoid the occurrence of abnormal conditions such as dry burning of the atomizing head 112 .
  • an atomizing chamber 113 (as shown in FIG. 6 ) is formed between the atomizing bracket 1103 and the atomizing seat 1105 , and the atomizing head 112 is at least partially received in the atomizing chamber 113 .
  • the atomizing head 112 is arranged at the bottom portion 1103 B of the atomizing bracket 1103 , and the lower surface of the atomizing head 112 is used as the atomizing surface.
  • the liquid pump 15 includes a pump body 150 , the pump body 150 is provided with a liquid suction port 1501 in communication with the liquid storage chamber 130 and a liquid pumping port 1503 in communication with the atomizing head 112 .
  • the liquid suction port 1501 and the liquid pumping port 1503 are both located on the same side of the pump body 50 facing the atomizing head 112 .
  • the included angle between the central axis of the fluid passage between the liquid pumping port 1503 and the liquid outlet 1104 B and the central axis of the atomizer 11 is ⁇ , and 0° ⁇ 90° preferably, the included angle ⁇ between the central axis of the fluid passage between the liquid pumping port 1503 and the liquid outlet 1104 B and the central axis of the atomizer 11 is 90°.
  • the e-liquid in the liquid storage chamber 130 is pumped into the pump body 150 through the liquid suction port 1501 on the side facing the atomizing head 112 , the e-liquid continues to be pumped out from the liquid pumping port 1503 on the side facing the atomizing head 112 and transferred to the atomizing head 112 (as shown by the arrow flow direction in FIG. 4 ).
  • the pumping path from the liquid pumping port 1503 to the liquid outlet 1104 B is simplified, which is beneficial to improve the response speed of the liquid pump 15 for pumping liquid.
  • the upper surface of the atomizing head 112 is at least partially received in the liquid outlet 1104 B, and the upper surface of the atomizing head 112 serves as a liquid absorbing surface.
  • the liquid pump 15 usually adopts a piezoelectric pump.
  • the piezoelectric pump is generally flat, and its bask principle is to use the inverse piezoelectric effect of the piezoelectric ceramic to deform the piezoelectric vibrator, and the volume of the pump cavity formed between the piezoelectric ceramic and the housing of the pump changes to achieve fluid output.
  • the pipeline from the liquid pumping port 1503 to the liquid outlet 1104 B is straight, and the pumping liquid has a fast response speed.
  • the pipeline from the liquid pumping port 1503 to the liquid outlet 1104 B is straight, which facilitates the simplification of the pipeline, prevents the pipeline from being blocked, and reduces the difficulty of pipeline design.
  • the atomizing head 112 includes a receiving part (not shown), the receiving part faces the liquid pumping port 1503 , and the receiving part corresponds to the liquid outlet 1104 B.
  • the receiving part may be a heating member (not shown) or a liquid absorbing member (not shown).
  • the receiving part is made of a hard material, so as to prevent the atomizing head from failing and causing liquid leakage when the e-liquid with a relatively strong pressure hits against the receiving part if it is made of a soft material.
  • the atomizing head is a porous ceramic heating member, and the porous ceramic heating member is made of a hard material.
  • the atomizer 11 further includes an atomizing electrode 114 and a liquid pump electrode 116 .
  • the atomizing electrode 114 is installed on the atomizing seat 1105 and at least partly extends into the atomizing bracket 1103 to be electrically connected to the atomizing head 112 installed in the atomizing bracket 1103 , so that the atomizing head 112 and the battery device form an electric circuit for atomizing.
  • the liquid pump electrode 116 is installed on the atomizing seat 1105 , and one end of the liquid pump electrode 116 away from the atomizing seat 1105 extends into the atomizing bracket 1103 , so as to be fixed to the atomizing bracket 1103 by a fixing member 118 and be electrically connected to the liquid pump 15 installed in the assembling portion 1101 . It is understood that, in other embodiments not shown, the liquid pump electrode 116 is installed on the atomizing seat 1105 , and one end of the liquid pump electrode 116 away from the atomizing seat 1105 extends into the atomizing bracket 1103 , so as to be directly electrically connected to the liquid pump 15 installed in the assembling portion 1101 .
  • the e-liquid in the liquid storage chamber 130 is driven by the liquid pump 15 to be pumped into the fluid passage from the liquid inlet 1104 A, sucked into the pump body 150 through the liquid suction port 1501 , then pumped out through the liquid pumping port 1503 , and finally flows out from the liquid outlet 1104 E to the atomizing head 12 for heating and atomizing by the atomizing head 12 .
  • the atomizing seat 1105 is provided with an air inlet opening 1107 , and the air inlet opening 1107 is in communication with the external air and the atomizing chamber 113 .
  • the cartridge 10 further includes a vent tube 132 , and the smoke generated in the atomizing chamber 113 is delivered to the user's mouth through the inner cavity of the vent tube 132 .
  • the atomizing seat 1105 is provided with the air inlet opening 1107 at a position aligned with the atomizing head 112 .
  • a smoking port 134 is provided in one end of the liquid storage container 13 facing the user's mouth.
  • the middle of the liquid storage container 13 is provided with the vent tube 132 aligned with the atomizing head 12 .
  • the inner cavity of the vent tube 132 is in communication with the smoking port 134 .
  • a communication hole 1112 is provided in the top portion 1103 A of the atomizing bracket 1103 , the lower end of the vent tube 132 is inserted into the communication hole 1112 , and the inner cavity of the vent tube 132 is in communication with the communication hole 1112 .
  • a smoke outlet chamber 1114 is formed inside the atomizing bracket 1103 .
  • the communication hole 1112 is in communication with the smoke outlet chamber 1114 .
  • the side portion 1103 C of the atomizing bracket 1103 is provided with a smoke guiding groove 1116 .
  • the smoke guiding groove 1116 communicates the atomizing chamber 113 and the smoke outlet chamber 1114 .
  • the air inlet opening 1107 is arranged below the atomizing head 112
  • the vent tube 132 is arranged above the atomizing head 112 .
  • the external cold air flows through the air inlet opening 1107 , the atomizing chamber 113 , the smoke guiding groove 1116 , the smoke outlet chamber 1114 , the communication hole 1112 and the inner cavity of the ventilation tube 132 in sequence, and finally through the smoking port 134 to reach the mouth of the user (as shown by the arrow flow direction in FIG. 6 ).
  • the liquid storage container 13 and the vent tube 132 are two independent parts or integrally formed.
  • the supporting base 110 is provided with a constant pressure hole 1108 in communication with the external air and the liquid storage chamber 130 .
  • the cartridge 10 includes a constant pressure member 17 , which is installed in the constant pressure hole 1108 and only allows external air to flow into the liquid storage chamber 130 in one direction.
  • the atomizing seat 1105 is provided with an air inlet hole 1109 in communication with the external environment, a mounting hole 1110 communicating the air inlet hole 1109 and the liquid storage chamber 130 is provided through the atomizing bracket 1103 .
  • the air inlet hole 1109 and the mounting hole 1110 together serve as the constant pressure hole 1108 .
  • the constant pressure member 17 can be a one-way valve or a waterproof breathable membrane, etc.
  • the constant pressure member 17 is a one-way valve, which is installed in the mounting hole 1110 and forms a one-way air flow channel that only allows external air to flow into the liquid storage chamber 130 in one direction.
  • the piezoelectric pump i.e., the liquid pump 15
  • the air pressure in the liquid storage chamber 130 decreases to cause suffocation in the liquid storage chamber 130 , causing the working load of the piezoelectric pump to increase and accordingly causing damage to the piezoelectric pump.
  • the air in the liquid storage chamber 130 can be quickly replenished, so that the air pressure in the liquid storage chamber 130 is balanced, and the piezoelectric pump can pump the e-liquid more smoothly.
  • the external cold air flows to the atomizing head 112 through the air inlet opening 1107 , so as to be mixed with the smoke generated by the heating of the atomizing head 112 , and then passes through the gap between the atomizing bracket 1103 and the liquid storage container 13 and the vent tube 132 sequentially to reach the mouth of the user.
  • the external cold air also enters the liquid storage chamber 130 through the air inlet hole 1109 and the constant pressure member 17 , so as to prevent the air pressure in the liquid storage chamber 130 from being reduced during the atomization process and avoid the phenomenon of suffocation.
  • the one-way valve extends toward the top of the liquid storage chamber 130 and into the air layer above the liquid storage chamber 130 , so that the air flowing through the one-way valve can quickly reach the air layer of the liquid storage chamber 130 to improve the response speed.
  • the one-way valve is a duckbill one-way valve.
  • the cartridge 10 further includes sealing rings 19 , the sealing rings 19 are respectively sealed and arranged between the atomizing seat 1105 and the liquid storage container 13 , and between the atomizing head 112 and the atomizing bracket 1103 , so as to prevent the cartridge 10 from leaking of the e-liquid.
  • the cartridge 10 further includes a liquid inlet sealing member 20 , and the liquid inlet sealing member 20 is sealed and arranged on the top portion 1103 A of the atomizing bracket 1103 .
  • the liquid inlet sealing member 20 is provided with a first opening 21 , a second opening 23 and a third opening 25 which are arranged at intervals.
  • the first opening 21 is in communication with the liquid storage chamber 130 and the inlet of the fluid passage to ensure that the e-liquid in the liquid storage chamber 130 can be pumped to the atomizing head 12 under the action of the liquid pump 15 .
  • the second opening 23 is in communication with the liquid storage chamber 130 and the mounting hole 1110 to ensure that the external air entering the constant pressure member 17 can be passed into the liquid storage chamber 130 , to ensure the balance of the air pressure in the liquid storage chamber 130 .
  • the third opening 25 corresponds to the position of the communication hole 1112 to ensure air flowing between the communication hole 1112 and the inner cavity of the vent tube 132 .
  • the liquid transfer between the liquid storage chamber 130 and the atomizing head 112 is performed by the liquid pump 15 .
  • the liquid pump 15 can automatically supply e-liquid according to the consumption of the atomizing head. 112 , thereby effectively preventing liquid leakage and dry burning.
  • the liquid pump 15 is installed into the outer periphery of the supporting base 110 through the assembling portion 1101 , so that the liquid pump 15 can be directly installed from the outside of the supporting base 110 , which is convenient for assembly and disassembly.
  • the constant pressure member 17 can quickly replenish the air in the liquid storage chamber 130 , so that the air pressure in the liquid storage chamber 130 is balanced, and the liquid is pumped smoothly.
  • the electronic cigarette 100 provided in the first embodiment of the present disclosure has all the technical features of the above-mentioned cartridge 10 , so it has the same technical effects as the above-mentioned cartridge 10 .

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  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
US17/481,342 2019-03-22 2021-09-22 Cartridge and electronic cigarette Pending US20220000181A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
CN201910224294.9 2019-03-22
CN201910223781.3 2019-03-22
CN201910223770.5A CN111728274A (zh) 2019-03-22 2019-03-22 烟弹及电子烟
CN201910223781.3A CN111728275A (zh) 2019-03-22 2019-03-22 烟弹及电子烟
CN201910223770.5 2019-03-22
CN201910224294.9A CN111728276A (zh) 2019-03-22 2019-03-22 烟弹及电子烟
PCT/CN2020/078125 WO2020192389A1 (zh) 2019-03-22 2020-03-06 烟弹及电子烟

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/078125 Continuation-In-Part WO2020192389A1 (zh) 2019-03-22 2020-03-06 烟弹及电子烟

Publications (1)

Publication Number Publication Date
US20220000181A1 true US20220000181A1 (en) 2022-01-06

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Family Applications (1)

Application Number Title Priority Date Filing Date
US17/481,342 Pending US20220000181A1 (en) 2019-03-22 2021-09-22 Cartridge and electronic cigarette

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Country Link
US (1) US20220000181A1 (zh)
EP (1) EP3942952A4 (zh)
WO (1) WO2020192389A1 (zh)

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US20220354164A1 (en) * 2019-08-26 2022-11-10 Huizhou Happy Vaping Technology Limited Electronic cigarette vaporizer capable of preheating cigarette liquid
WO2023134638A1 (zh) * 2022-01-14 2023-07-20 深圳市合元科技有限公司 雾化器及其发热件

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