Rotary drum type double-cartridge electronic cigarette
The rotating cartridge power connection solution with a rotary drum design solves the problems of complex welding and high cost in multi-tank e-cigarettes, achieving cost reduction and improved user experience.
Patent Information
- Application Number
- CN202520190211.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-07
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2035-02-07
AI Technical Summary
Existing multi-tank e-cigarette designs require multiple atomizing cores, heating wires, and control boards to be electrically connected, resulting in complex soldering, high costs, and an increased probability of poor circuit connections, affecting product quality and user experience.
It adopts a rotating cylinder design, which connects to the power source by rotating the cartridge. It shares a set of positive and negative electrode springs to connect to the control board, reducing the number of power connection springs and power wires. Combined with the microphone sensor, the microphone position is optimized to improve the user experience.
This reduces the production cost of e-cigarettes, decreases the risk of poor soldering and desoldering, and improves product reliability and user experience.
Smart Images

Figure CN223844975U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic cigarette technical field especially relates to a rotary drum type double cartridge electronic cigarette. BACKGROUND
[0002] Electronic cigarette is the electronic product that smokes oil atomization into vapor aerosol particles through electric heating, with the rapid development of electronic cigarette product, electronic cigarette is more and more rich and varied, including integrated electronic cigarette, cartridge-replaceable electronic cigarette, single heating wire or multiple heating wires, can inject oil or not, single oil tank or multiple oil tank type.For the electronic cigarette of multiple oil tank, different oil tank can be switched to switch different taste or mouthfeel, different taste is that the taste of the stored tobacco tar is different, different mouthfeel can be achieved by setting different power heating wire, or setting single heating wire, double heating wire, so as to achieve different atomization mouthfeel.The existing electronic cigarette of multiple oil tank usually adopts the rotary nozzle head of the nozzle, and the corresponding switched oil tank is connected to realize the atomization of the oil of the oil tank, and the atomization core heating wire in each oil tank is electrically connected to the control panel, multiple atomization core heating wires are connected to the control panel, or multiple connection control panel electric needles are needed, the power line is welded, or multiple electric needles and connection control panel are needed, which consumes more materials and welding process, and the cost is high.In addition, multiple power lines are welded, which increases the probability of poor circuit connection such as virtual welding and welding, and is not conducive to controlling the quality of the product.Therefore, the electronic cigarette of multiple oil tank needs to be optimized and designed to reduce the connection of the electric needle and the power line of the control panel, so as to reduce the cost, control the product quality and improve the product use experience. CONTENT OF THE UTILITY MODEL
[0003] Therefore, the utility model provides a rotary drum type double cartridge electronic cigarette, adopts a group of electric needles, and the rotary drum type switches cartridge electricity and connects the nozzle airway, improves product use experience.
[0004] The utility model discloses a technical scheme, a rotary drum type double cartridge electronic cigarette, comprising:
[0005] The first shell is hollow and has an open lower end, a airflow passage is arranged in the first shell, an air outlet hole is arranged on the upper end surface of the first shell and communicates with the airflow passage, and a group of positive and negative needle pins are arranged on both sides of the air outlet hole;
[0006] A battery and a control panel are arranged in the first shell, and the positive and negative needle pins are electrically connected to the control panel;
[0007] A bottom cover is arranged at the lower end of the first shell, and the bottom cover is provided with an air inlet hole that communicates with the airflow passage;
[0008] A rotating cylinder support is provided on the upper end of the first housing. The rotating cylinder support includes upper and lower ends and a middle support part, and is in the shape of "I". The upper end face of the rotating cylinder support is provided with a first through hole at symmetrical positions on both sides of the center. The lower end of the rotating cylinder support is an annular frame.
[0009] Two cartridges are respectively embedded on both sides of the rotating cylinder bracket, and the upper ends of the two cartridges are respectively connected to the first through hole;
[0010] A suction nozzle cover is provided on the upper end of the rotating drum support, and the suction nozzle part is provided on one side of the suction nozzle cover;
[0011] The mouthpiece cover is equipped with a support and limiting mechanism inside the rotating cylinder bracket. When the rotating cylinder bracket is rotated circumferentially, the tobacco cartridge is rotated, but the mouthpiece cover does not rotate, so that the bottom of the tobacco cartridge is electrically connected to the positive and negative electrode pins, and the upper end of the tobacco cartridge is connected to the mouthpiece.
[0012] Furthermore, the supporting and limiting mechanism includes a hollow channel running vertically through the center of the rotating drum bracket, a hollow shaft tube passing through the hollow channel, and a tight-fitting insertion position for inserting the lower end of the hollow shaft tube at the center of the upper end of the first housing; an inner housing is provided inside the nozzle cover, the inner housing has a second through hole corresponding to the nozzle part, a first silicone part is provided at the upper end of the rotating drum bracket corresponding to the first through hole, a cavity is provided at the center of the inner housing that aligns with the upper end of the hollow channel, and a hole for the hollow shaft tube to pass through is provided at the bottom of the cavity; a positioning pin is riveted to the upper end of the hollow shaft tube, the positioning pin restricts the rotation of the inner housing, and the inner housing is fixedly connected to the nozzle cover.
[0013] Furthermore, a compression spring is fitted onto the upper end of the hollow shaft tube within the concave cavity of the inner shell. The upper end of the compression spring abuts against the bottom of the positioning pin, enabling the inner shell and the rotating drum support to move elastically up and down along the hollow shaft tube. The lower end of the rotating drum support elastically abuts against the upper end of the first shell.
[0014] Furthermore, an annular groove is provided on the upper end face of the first housing along its inner edge, and a positioning bead is embedded at a symmetrical position of the annular groove. The annular frame of the lower end of the rotating cylinder bracket is connected to the annular groove, and the bottom of the annular frame is provided with annular wave teeth. The annular wave teeth mesh with the positioning bead to achieve positioning.
[0015] Furthermore, a second silicone component is embedded in the inner side of the annular groove. The second silicone component has through holes corresponding to the positions of the air outlet, positive and negative electrode springs, and tight-fitting connectors. A convex ring is provided on the edge of the through hole corresponding to the air outlet.
[0016] Further, a mounting groove is formed around the second through hole of the inner shell, and a third silica gel member is embedded in the mounting groove. The third silica gel member is provided with a suction nozzle insertion through hole and a microphone mounting groove. The suction nozzle insertion through hole is connected to the second through hole. A gas passing groove is arranged on the side of the microphone mounting groove. The gas passing groove is provided with a gas passing through hole penetrating the bottom. The bottom of the microphone mounting groove is provided with a through hole. The microphone sensor is mounted in the microphone mounting groove. The microphone sensor is connected to the control board through wires penetrating the hollow shaft tube and entering the first shell.
[0017] Further, a convex slide rail is arranged on the outer side of the middle support part of the rotating drum support. A hollow straight cylinder sleeve is arranged on the rotating drum support. A slide groove part is arranged on the inner wall of the hollow straight cylinder sleeve and sleeved with the convex slide rail. A window for checking the oil level is arranged on the side wall of the hollow straight cylinder sleeve.
[0018] Preferably, the cartridge comprises a first oil tank and a second oil tank. The first oil tank comprises a hollow first oil tank shell with an open lower end, a first oil sealing member arranged at the lower end of the first oil tank shell, and a first oil tank lower cover. An air pipe passing through the first oil tank is arranged in the first oil tank. The first oil tank lower cover is provided with a lower oil passage. The second oil tank comprises a hollow second oil tank shell with an open lower end, an oil storage integrated cotton arranged in the second oil tank shell, an atomizing core arranged in the oil storage integrated cotton, a second oil sealing member arranged at the lower end of the second oil tank shell, and a second oil tank lower cover. The upper end of the second oil tank shell is provided with a first plug-in hole connected to the lower end of the air pipe, a second plug-in hole connected to the lower oil passage, and a third oil sealing member sleeved on the upper end of the second oil tank shell. The bottom of the second oil tank lower cover is provided with an electrical connection terminal connected to the atomizing core, and an air inlet through hole connected to the atomizing core.
[0019] Further, an oil absorbing cotton is arranged between the bottom of the second oil sealing member and the second oil tank lower cover.
[0020] Further, the control board is further connected to a display screen. The side wall of the first shell is provided with a window for mounting the display screen. A display lens is embedded in the window. An air passage silica gel member is arranged between the air inlet hole of the bottom cover and the air flow passage.
[0021] The electronic cigarette has the advantages that: the main innovative design of the electronic cigarette is the design of the rotating drum support, two cartridges arranged on the two sides are driven to rotate by the rotating drum support, one of the cartridges rotates to contact the positive and negative spring needles to realize electricity connection, and the cartridge is connected with the airflow channel and the suction nozzle part at the upper end to realize the suction use of the cartridge; the lower end of the other cartridge does not contact the positive and negative spring needles, and the upper end is not connected with the suction nozzle part.
[0022] On the other hand, the microphone sensor is arranged on the suction nozzle cover, the microphone sensor is arranged on the top, the microphone sensor is not damaged by the atomized condensate drops, the microphone sensor is closest to the suction nozzle part, the microphone sensor is started most quickly during the suction to start the atomizing core, the suction sensing speed is high, and the use experience of the product is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 The utility model discloses an embodiment overall structure disassembly schematic drawing.
[0024] Figure 2 It is first shell upper end structure schematic drawing for the utility model.
[0025] Figure 3 It is first shell and hollow shaft pipe assembly schematic drawing for the utility model.
[0026] Figure 4 It is first shell and rotating drum support and suction nozzle cover assembly structure schematic drawing for the utility model.
[0027] Figure 5 It is first shell and rotating drum support and suction nozzle cover, cartridge assembly structure schematic drawing for the utility model.
[0028] Figure 6 It is cross section structure schematic drawing for the utility model.
[0029] Figure 7 It is airflow schematic drawing for the utility model that airflow channel enters external air and passes cartridge and suction nozzle part output.
[0030] Figure 8 It is airflow schematic drawing for the utility model that the microphone of microphone sensor starts airway.
[0031] Figure label:
[0032] 1. First housing; 101. Display lens; 100. Airflow channel; 2. Battery; 3. Control board; 31. Display screen; 4. Bottom cover; 5. Positive and negative electrode springs; 6. Second silicone component; 7. Rotary drum bracket; 8. First silicone component; 9. Inner housing; 10. Hollow shaft tube; 11. Compression spring; 12. Positioning pin; 13. Third silicone component; 14. Microphone sensor; 15. Mouthpiece cover; 16. Cartridge; 7. Positioning bead; 161. First oil tank; 162. Second oil tank; 1611. First oil tank shell; 1612. First oil seal; 1613. First oil tank bottom cover; 1621. Second oil tank shell; 1622. Integrated oil storage cotton; 1623. Atomizing core; 1624. Third oil seal; 1625. Second oil seal; 1626. Oil-absorbing cotton; 1627. Second oil tank bottom cover; 1628. Power terminal. Detailed Implementation
[0033] The technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this disclosure.
[0034] Please refer to Figures 1 to 6 This technical solution provides a rotary dual-cartridge electronic cigarette, comprising a first housing 1, a battery 2, a control board 3, a bottom cover 4, a rotary support 7, two cartridges 16, and a mouthpiece cover 15. The first housing 1 is hollow and open at the bottom. An airflow channel 100 is provided inside the first housing 1. An air outlet communicating with the airflow channel 100 is provided on one side of the upper end of the first housing 1, and a set of positive and negative electrode springs 5 are provided on both sides of the air outlet. The battery 2 and the control board 3 are located inside the first housing 1, and the positive and negative electrode springs 5 are electrically connected to the control board 3. The bottom cover 4 is located at the lower end of the first housing 1. It has an air inlet that connects to the airflow channel 100; the rotating support 7 is located on the upper end of the first housing 1, and the rotating support 7 includes upper and lower ends and a middle support part, and is in the shape of "I". The upper end surface of the rotating support 7 is provided with a first through hole on each side symmetrically along the center. The upper end of the rotating support 7 is provided with a first silicone part 8 corresponding to the first through hole, and the lower end of the rotating support 7 is an annular frame; the two tobacco cartridges 16 are respectively embedded on both sides of the rotating support 7, and the upper ends of the two tobacco cartridges 16 are respectively connected to the first through hole; the mouthpiece cover 15 is located on the upper end of the rotating support 7, and the mouthpiece cover 15 is provided with a mouthpiece part offset to one side.
[0035] The mouthpiece cover 15 is provided with a support and limiting mechanism inside the rotating cylinder bracket 7. When the rotating cylinder bracket 7 is rotated circumferentially, the tobacco cartridge 16 is rotated, but the mouthpiece cover 15 does not rotate, so that the bottom of the tobacco cartridge 16 is electrically connected to the positive and negative electrode pins 5, and the upper end of the tobacco cartridge 16 is connected to the mouthpiece.
[0036] Please refer to Figures 1 to 4 Furthermore, the supporting and limiting mechanism includes a hollow channel running vertically through the center of the rotating drum bracket 7, a hollow shaft tube 10 passing through the hollow channel, and a tight-fitting insertion position for inserting the lower end of the hollow shaft tube 10 at the center of the upper end of the first housing 1; an inner housing 9 is provided inside the suction nozzle cover 15, the inner housing 9 has a second through hole corresponding to the suction nozzle part, and a concave cavity position at the center of the inner housing 9 that aligns with the upper end of the hollow channel, with a hole through which the hollow shaft tube 10 passes at the bottom of the concave cavity; a positioning pin 12 is riveted to the upper end of the hollow shaft tube 10, the positioning pin 12 restricts the rotation of the inner housing 9, and the inner housing 9 is fixedly connected to the suction nozzle cover 15. The rotating drum bracket 7 drives two cartridges 16 located on both sides to rotate, while the mouthpiece cover 15 does not rotate. One cartridge 16 rotates to contact the positive and negative electrode pins 5 to achieve power connection. At the same time, this cartridge 16 connects to the airflow channel 100 and the upper mouthpiece, enabling inhalation. The lower end of the other cartridge 16 does not contact the positive and negative electrode pins 5, and the upper end is not connected to the mouthpiece. The two cartridges 16 can be used interchangeably, sharing a set of positive and negative electrode pins 5 connected to the control board 3 to provide power to the cartridge 16. In multi-compartment electronic cigarettes, rotating the mouthpiece cover 15 allows adjustment and switching between the corresponding oil compartments. This would normally require multiple connecting wires to the control board 3, or multiple positive and negative electrode pins 5. This design uses a single set of positive and negative electrode pins 5, achieving power connection by rotating the cartridge 16. This reduces the number of connecting pins and power wires to the control board 3, thus reducing costs.
[0037] Please refer to Figure 1 , Figure 6 As a preferred embodiment, a compression spring 11 is sleeved on the upper end of the hollow shaft tube 10 in the concave cavity of the inner shell 9. The upper end of the compression spring 11 abuts against the bottom of the positioning pin 12, so that the inner shell 9 and the rotating cylinder support 7 can move up and down elastically along the hollow shaft tube 10. The lower end of the rotating cylinder support 7 elastically abuts against the upper end of the first shell 1.
[0038] Please refer to Figures 1 to 4, as a preferred solution, the upper end surface of the first shell 1 is provided with an annular groove inside its edge, and the opposite symmetrical positions of the annular groove are embedded with positioning beads 17, the lower end of the rotating drum support 7 is butted in the annular groove, and the bottom of the annular frame is provided with an annular wave tooth, which is engaged with the positioning beads 17 to realize positioning. The compression spring 11 and the positioning beads 17 cooperate to provide the limiting and rotating feeling of the rotating drum support 7.
[0039] Further, the inner side of the annular groove is embedded with a second silica gel piece 6, which is provided with a through-hole position corresponding to the air outlet hole, the positive and negative needle 5, and the tight-fitting plug-in position. The edge of the through-hole position corresponding to the air outlet hole is provided with a convex ring part.
[0040] Please refer to Figure 4 , Figure 5 , Figure 8 As a preferred solution, the second through-hole position of the inner shell 9 is formed with a mounting groove, and a third silica gel piece 13 is embedded in the mounting groove. The third silica gel piece 13 is provided with a mouthpiece plug-in through-hole and a microphone mounting groove. The mouthpiece plug-in through-hole is butted to the second through-hole, and a gas passing groove is provided on the side of the mouthpiece plug-in through-hole towards the microphone mounting groove. The gas passing groove is provided with a gas passing through-hole penetrating the bottom. The bottom of the microphone mounting groove is provided with a through-hole. The microphone sensor 14 is installed in the microphone mounting groove. The microphone sensor 14 is connected to the control board 3 through a wire from the hollow shaft tube 10 to the first shell 1. The mouthpiece part is provided with an independent microphone starting air channel connected to the gas passing groove.
[0041] As a preferred solution, the outer side of the middle support part of the rotating drum support 7 is provided with a protruding slide rail. The rotating drum support 7 is provided with a hollow straight cylinder sleeve. The inner wall of the hollow straight cylinder sleeve is provided with a sliding groove part sleeved on the protruding slide rail. The side wall of the hollow straight cylinder sleeve is provided with a window for checking the oil level.
[0042] Please refer to Figure 1 , Figures 4 to 7, as a preferred solution, the smoke cartridge 16 includes a first oil tank 161 and a second oil tank 162, the first oil tank 161 includes a hollow and open lower end of the first oil tank shell 1611, the first oil seal 1612 and the first oil tank lower cover 1613 are arranged at the lower end of the first oil tank shell 1611, the first oil tank 161 is provided with a through air duct, and the first oil tank lower cover 1613 is provided with a lower oil passage; the second oil tank 162 includes a hollow and open lower end of the second oil tank shell 1621, an oil storage integrated cotton 1622 arranged in the second oil tank shell 1621, an atomizing core 1623 arranged in the oil storage integrated cotton 1622, a second oil seal 1625 arranged at the lower end of the second oil tank shell 1621 and a second oil tank lower cover 1627, the upper end of the second oil tank shell 1621 is provided with a first plug-in hole for connecting the lower end of the air duct, a second plug-in hole for connecting the lower oil passage, and a third oil seal 1624 is arranged on the upper end of the second oil tank shell 1621, the bottom of the second oil tank lower cover 1627 is provided with an electrical terminal 1628 connected with the atomizing core 1623, and an air inlet through hole connected with the atomizing core 1623. The first oil tank 161 and the second oil tank 162 realize large oil storage capacity of the smoke cartridge 16, which can meet the long time use.
[0043] Further, the second oil seal 1625 is provided between the bottom of the second oil seal 1625 and the second oil tank lower cover 1627, and the oil absorbing cotton 1626 is arranged between the second oil seal 1625 and the second oil tank lower cover 1627, and the oil absorbing cotton 1626 is arranged between the second oil seal 1625 and the second oil tank lower cover 1627.
[0044] Further, the control panel 3 is further connected with a display screen 31, the sidewall of the first shell 1 is provided with a window for mounting the display screen 31, the window is embedded with a display lens 101, and the air inlet hole of the bottom cover 4 and the air flow channel 100 are provided with an airway silica gel piece. The display screen 31 is used for displaying the power and the charging state, and the output power of the atomizing core 1623 corresponding to the two smoke cartridges 16 is different, which can be identified by different output power display to identify which smoke cartridge 16 is working.
[0045] The above has described the embodiments of the present disclosure, the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled in the art without departing from the scope and spirit of the described embodiments. The selection of the terms used herein is intended to best explain the principles, practical applications or improvements of the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the embodiments disclosed herein.
Claims
1. A rotary drum dual cartridge electronic cigarette, characterized by, The utility model provides a kind of cigarette, including: First shell, the first shell is hollow and lower end is open, first shell is equipped with airflow passage in, the upper end of first shell is equipped with air outlet hole of airflow passage communication to one side, and a group of positive and negative needle is equipped in the position of both sides of air outlet hole; Battery and control panel, the battery and control panel are equipped in first shell, and the positive and negative needle is electrically connected with control panel; Bottom cover, the bottom cover is arranged in the lower end of first shell, and the bottom cover is equipped with air inlet hole, and air inlet hole is communicated with airflow passage; Rotary drum support, the rotary drum support is arranged on the upper end of first shell, rotary drum support includes upper and lower ends and middle support part, and it is "G" shape, the upper end of rotary drum support is symmetrically arranged with a first through hole along the center of both sides, and the lower end of rotary drum support is annular frame; Two cartridges, the two cartridges are respectively embedded in the two sides of rotary drum support, and the upper end of two cartridges is respectively connected with first through hole; Mouthpiece cover, the mouthpiece cover is arranged on the upper end of rotary drum support, and the mouthpiece cover is equipped with mouthpiece part to one side; Wherein, the mouthpiece cover is equipped with support limiting mechanism with rotary drum support, when rotary drum support is circumferentially rotated, the cartridge is rotated, but the mouthpiece cover is not rotated, so that the bottom of the cartridge is electrically connected with the positive and negative needle, and the upper end of the cartridge is connected with the mouthpiece part.
2. The drum-type dual-cartridge electronic cigarette according to claim 1, characterized by, The support limiting mechanism includes hollow passage in the center of rotary drum support, hollow shaft pipe is arranged in the hollow passage, and the upper end of first shell is equipped with tight fitting insertion site for inserting the lower end of hollow shaft pipe;The inner shell of the mouthpiece cover is equipped with second through hole corresponding to the position of mouthpiece part, and the upper end of rotary drum support is equipped with first silica gel part corresponding to first through hole;The center of inner shell is equipped with recessed cavity site for connecting the upper end of hollow passage, and the bottom of recessed cavity site is equipped with hole site for passing through hollow shaft pipe;The upper end of hollow shaft pipe is riveted with positioning pin, the positioning pin limits the rotation of inner shell, and the inner shell is fixedly connected with the mouthpiece cover.
3. The drum-type dual-cartridge electronic cigarette according to claim 2, characterized by The upper end of hollow shaft pipe in the recessed cavity site of inner shell is sleeved with compression spring, the upper end of compression spring is abutted to the bottom of positioning pin, so that the inner shell and rotary drum support are elastically movable along the hollow shaft pipe, and the lower end of rotary drum support is elastically abutted to the upper end of first shell.
4. The drum dual-cartridge electronic cigarette according to claim 3, characterized by, The upper end of first shell is provided with annular groove along the inner side of its edge, positioning bead is embedded in the symmetrical position of annular groove, the annular frame of the lower end of rotary drum support is connected in the annular groove, the bottom of annular frame is equipped with annular wave tooth, and the annular wave tooth is engaged with positioning bead to realize positioning.
5. The drum dual-cartridge electronic cigarette according to claim 4, characterized by, The inner side of annular groove is embedded with second silica gel part, and second silica gel part is equipped with through hole site corresponding to the position of air outlet hole, positive and negative needle and tight fitting insertion site, and convex ring part is arranged on the edge of through hole site corresponding to air outlet hole.
6. The drum-type dual-cartridge electronic cigarette according to claim 2, characterized by The second through hole of the inner shell is peripherally formed with a mounting groove, a third silica gel piece is embedded in the mounting groove, the third silica gel piece is provided with a suction nozzle plug-in through hole and a microphone mounting groove, the suction nozzle plug-in through hole is connected to the second through hole, the suction nozzle plug-in through hole is provided with an air passage groove on the side facing the microphone mounting groove, the air passage groove is provided with an air passage through hole penetrating the bottom, the bottom of the microphone mounting groove is provided with a through hole, the microphone mounting groove is mounted with a microphone sensor, the microphone sensor is connected to the control board through wires from the hollow shaft tube into the first shell, and the suction nozzle part is provided with an independent microphone starting air channel connected to the air passage groove.
7. The drum-type dual-cartridge electronic cigarette according to claim 1, characterized by, The outer side of the middle support part of the rotating drum support is provided with a protruding slide rail, a hollow straight cylinder sleeve is provided on the rotating drum support, a slide groove part of the protruding slide rail is provided on the inner wall of the hollow straight cylinder sleeve, and a window for checking the oil amount is provided on the side wall of the hollow straight cylinder sleeve.
8. The drum-type dual-cartridge electronic cigarette according to any one of claims 1 to 7, characterized by, The cigarette cartridge comprises a first oil tank and a second oil tank, the first oil tank comprises a hollow first oil tank shell with an open lower end, a first oil sealing piece arranged at the lower end of the first oil tank shell, and a first oil tank lower cover, an air passage pipeline penetrating from top to bottom is arranged in the first oil tank, and the first oil tank lower cover is provided with a lower oil passage; the second oil tank comprises a hollow second oil tank shell with an open lower end, an oil storage integrated cotton arranged in the second oil tank shell, an atomizing core arranged in the oil storage integrated cotton, a second oil sealing piece arranged at the lower end of the second oil tank shell, and a second oil tank lower cover, the upper end of the second oil tank shell is provided with a first plug-in hole connected to the lower end of the air passage pipeline, a second plug-in hole connected to the lower oil passage, and a third oil sealing piece arranged on the upper end of the second oil tank shell, the bottom of the second oil tank lower cover is provided with an electrical connection terminal connected to the atomizing core, and an air inlet through hole connected to the atomizing core.
9. The drum dual-cartridge electronic cigarette according to claim 8, characterized by, An oil absorbing cotton is arranged between the bottom of the second oil sealing piece and the second oil tank lower cover.
10. The drum-type dual-cartridge electronic cigarette according to claim 1, characterized by, The control board is further connected to a display screen, the side wall of the first shell is provided with a window for mounting the display screen, a display lens is embedded in the window, and an air channel silica gel piece is arranged between the air inlet hole of the bottom cover and the air flow channel.