Smoke cartridge capable of being quickly replaced

Abstract

The utility model discloses a cigarette cartridge capable of being replaced quickly, which comprises a cigarette cartridge body, the cigarette cartridge body comprises a cigarette cartridge upper shell arranged at the upper part, the upper part of the cigarette cartridge upper shell is provided with a suction nozzle part, the inner side of the cigarette cartridge upper shell is provided with a cigarette cartridge shell body, the cigarette cartridge shell body is internally provided with oil storage cotton, the oil storage cotton is internally provided with a heating wire assembly, and the heating wire assembly is arranged in the cigarette cartridge shell body. The upper part of the cartridge shell is sealed by a cartridge upper shell, and the lower part of the cartridge shell is sealed by a clamped bottom cover; the bottom cover is provided with a plurality of electrode columns, a first magnet and an air inlet, the electrode columns are electrically connected with the heating wire assembly, the lower portion of the cartridge shell is inserted into the atomizer control unit, and the first magnet and a second magnet in the atomizer control unit correspond to each other and attract each other. The cigarette cartridge provided by the utility model is connected with the atomizer control unit in a plugging manner and a magnetic suction manner, so that the cigarette cartridge is convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of cigarette cartridge replacement, in particular to a cigarette cartridge that can be quickly replaced. Background Art

[0002] As an imitation of rolled cigarettes, electronic cigarettes are commonly available in cartridge and liquid types. Generally, electronic cigarettes are mainly composed of a cartridge containing nicotine solution and an atomizer control unit. The atomizer control unit is equipped with a battery to power the cartridge and control its operation. It can convert the liquid nicotine in the cartridge into mist, giving users a smoking-like feeling when inhaling, achieving "puffing clouds and exhaling smoke". According to personal preference, various flavors such as chocolate and mint can be added to the cartridge to enrich the taste of the smoke.

[0003] The cartridge-type electronic cigarette installs the cartridge on the atomizer control unit, and the atomizer control unit controls the cartridge to atomize the e-liquid. The overall design of the electronic cigarette may install the cartridge and the atomizer control unit together. When replacing, due to the complex connection structure and lack of force points, it is very laborious and time-consuming to replace the cartridge. Utility Model Content

[0004] The purpose of the utility model is to overcome the defect of cumbersome replacement of cigarette cartridges in the prior art, and to provide a cigarette cartridge that can be quickly replaced, which is connected to the atomizer control unit using a plug-in method and a magnetic suction method, thereby facilitating the replacement of cigarette cartridges.

[0005] To achieve the above-mentioned purpose, the utility model provides a quickly replaceable cigarette cartridge, including a cigarette cartridge body, wherein the cigarette cartridge body includes a cigarette cartridge upper shell installed on the upper part, the upper part of the cigarette cartridge upper shell is provided with a suction mouth part, and the inner side is provided with a cigarette cartridge shell, the interior of the cigarette cartridge shell is provided with oil storage cotton, and the interior of the oil storage cotton is provided with a heating wire assembly, the upper part of the cigarette cartridge shell is sealed by the cigarette cartridge upper shell, and the lower part is sealed by the snap-on bottom cover; a plurality of electrode columns, a first magnet and an air inlet are provided on the bottom cover, the electrode columns are electrically connected to the heating wire assembly, the lower part of the cigarette cartridge shell is inserted into the interior of the atomizer control unit, and the first magnet corresponds to and attracts the second magnet inside the atomizer control unit.

[0006] Preferably, the cigarette cartridge shell and the cigarette cartridge upper shell are stepped; a plurality of first buckles are provided on the inner side of the cigarette cartridge upper shell, and first grooves corresponding to the first buckles are provided on both sides of the cigarette cartridge shell, and the first buckles are inserted into the first grooves to fix the cigarette cartridge shell and the cigarette cartridge upper shell together.

[0007] Preferably, the bottom cover is provided with a plurality of first receiving holes for receiving the electrode columns, and both sides of the bottom cover are provided with placement holes for receiving the first magnets.

[0008] Preferably, a first annular protrusion is provided on the upper part of the bottom cover, and the first annular protrusion is clamped on the inner side of the cartridge housing. A number of second buckles are provided on the first annular protrusion, and second grooves corresponding to the second buckles are provided on both sides of the cartridge housing. The second buckles are inserted into the second grooves to clamp the cartridge housing and the bottom cover; positioning grooves are provided on both sides of the bottom cover, and a first positioning protrusion corresponding to the positioning groove is provided on the lower part of the cartridge housing, and the first positioning protrusion is inserted into the positioning groove.

[0009] Preferably, one end of the cigarette cartridge shell is equipped with a first sealing sleeve for sealing one end of the oil storage cotton, and the other end is equipped with a second sealing sleeve for sealing the other end of the oil storage cotton; the first sealing sleeve is also plugged into the bottom cover and installed on the bottom cover; a second annular protrusion is provided on the inner side of the first annular protrusion, and the end of the first sealing sleeve is plugged between the first annular protrusion and the second annular protrusion.

[0010] Preferably, a first oil-absorbing cotton pad is installed between the first sealing sleeve and the bottom cover, and a second oil-absorbing cotton pad is installed between the second sealing sleeve and the upper shell of the cigarette cartridge; the second sealing sleeve is provided with a second accommodating groove for accommodating the second oil-absorbing cotton pad.

[0011] Preferably, a PCB board is further installed between the first sealing sleeve and the bottom cover, one side of the PCB board is electrically connected to the electrode column, and the other side is electrically connected to the heating wire assembly, so that the heating wire assembly is heated; a plurality of second positioning protrusions are installed on the upper part of the bottom cover, and the PCB board is provided with a plurality of positioning through holes corresponding to the second positioning protrusions, and the second positioning protrusions are inserted into the positioning through holes to position the PCB board.

[0012] Preferably, the heating wire assembly includes a middle tube mounted on a first sealing sleeve, inner cotton installed inside the middle tube, a heating wire installed inside the inner cotton, and an insulating sleeve installed at one end of the middle tube; the heating wire passes through the first sealing sleeve and is electrically connected to the PCB board, the oil storage cotton is a hollow structure, and the outer surface of the inner cotton is connected to the inner surface of the oil storage cotton cavity.

[0013] Preferably, the first sealing sleeve is provided with a third positioning protrusion, the third positioning protrusion is inserted into the interior of the middle tube, the second sealing sleeve is provided with a positioning step hole, the insulating sleeve is inserted into the interior of the positioning step hole, the third positioning protrusion is provided with a vent hole, one end of the vent hole is connected to the air inlet, and the other end is connected to the middle tube, the insulating sleeve, the positioning step hole and the suction nozzle in sequence.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The lower part of the cigarette cartridge body provided by the utility model is inserted into the interior of the atomizer control unit, and the cigarette cartridge body only has freedom in the vertical direction. This embodiment restricts it by the mutual attraction of magnets; when the cigarette cartridge body needs to be replaced, it is only necessary to pull the cigarette cartridge body out of the atomizer control unit. The cigarette cartridge body can be pulled out when the magnetic attraction between the two is greater than the magnetic attraction between the two, so that replacement can be carried out simply and conveniently, and the atomizer control unit can be recycled multiple times, reducing resource waste and environmental pollution. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 This is a structural diagram of the cigarette cartridge body and the atomizer control unit provided by the present invention installed together;

[0018] Figure 2 This is an exploded schematic diagram of the cigarette cartridge body and the atomizer control unit provided by the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the cigarette cartridge body provided by the utility model;

[0020] Figure 4 This is a schematic diagram of the exploded side of the cigarette cartridge body provided by the utility model;

[0021] Figure 5 This is a schematic structural diagram of the heating wire assembly provided by the present invention;

[0022] Figure 6 This is an exploded schematic diagram of the heating wire assembly provided by the present invention;

[0023] Figure 7 This is an exploded schematic diagram of the first sealing sleeve and the bottom cover provided by the utility model;

[0024] Figure 8 This is a front exploded schematic diagram of the cigarette cartridge body provided by the present invention.

[0025] Included in the diagram are:

[0026] 1. Cartridge body; 11. Cartridge upper shell; 111. Inhaler mouthpiece; 12. Cartridge shell; 13. Oil storage cotton; 5. Heating wire assembly; 6. Bottom cover; 61. Electrode column; 62. First magnet; 65. Air inlet; 2. Atomizer control unit; 21. Second magnet; 112. First buckle; 123. First groove; 63. First receiving hole; 64. Placement hole; 66. First annular protrusion; 661. Second buckle; 124. Second groove; 67. Positioning groove; 125, first positioning protrusion; 71, first sealing sleeve; 72, second sealing sleeve; 68, second annular protrusion; 81, first oil-absorbing cotton pad; 82, second oil-absorbing cotton pad; 73, second accommodating groove; 8, PCB board; 69, second positioning protrusion; 811, positioning through hole; 52, middle tube; 53, inner cotton; 51, heating wire; 54, insulating sleeve; 711, third positioning protrusion; 721, positioning stepped hole; 712, vent. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in this embodiment of the present invention to clearly and completely describe the technical solution in this embodiment of the present invention. Obviously, the embodiment described is only one embodiment of the present invention, not all embodiments of the present invention. Based on this embodiment of the present invention, all other embodiments of the present invention obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of this utility model.

[0028] Please refer to Figures 1 to 8 The utility model provides a cigarette cartridge that can be quickly replaced.

[0029] like Figure 3 The cigarette cartridge includes a cigarette cartridge body 1, which can be an independently packaged whole and sold independently; it can also be combined with an atomizer control unit 2 to form an electronic cigarette and sold together; the shell of the cigarette cartridge body 1 includes two parts, including a cigarette cartridge upper shell 11 installed on the upper part and a cigarette cartridge shell 12 mounted inside the cigarette cartridge upper shell 11, and the cigarette cartridge upper shell 11 and the cigarette cartridge shell 12 are snap-connected to each other to achieve assembly and fixation.

[0030] like Figure 4 The cigarette cartridge shell 12 is equipped with oil storage cotton 13. In this embodiment, the oil storage cotton 13 is used to store tobacco oil. A heating wire assembly 5 is installed inside the oil storage cotton 13. The heating wire assembly 5 heats the tobacco oil inside the oil storage cotton 13 to generate smoke. The upper part of the cigarette cartridge upper shell 11 is also provided with a hollow suction nozzle 111, so that the smoke generated inside the cigarette cartridge shell 12 can emerge from the suction nozzle 111.

[0031] Furthermore, the upper part of the cartridge shell 12 is connected to the cartridge upper shell 11 through a snap connection, so that the cartridge upper shell 11 seals the upper part of the cartridge shell 12, and the lower part of the cartridge shell 12 is also connected to the bottom cover 6 through a snap connection, and the bottom cover 6 seals the lower part of the cartridge shell 12; thereby sealing the oil storage cotton 13 and the heating wire assembly 5 inside the cartridge shell 12.

[0032] The bottom cover 6 is provided with a plurality of air inlets 65, such as Figure 4 The air inlet 65 is symmetrically arranged in two. The air inlet 65 is connected to the mouthpiece 111 , so that the external air enters the interior of the cigarette cartridge housing 12 , and then brings the generated smoke out from the mouthpiece 111 .

[0033] The bottom cover 6 is also provided with a plurality of electrode columns 61, such as Figure 4 As described, the electrode columns 61 are symmetrically arranged in four positions vertically and horizontally; the outside of the electrode column 61 is connected to the spring-pin electrode inside the atomizer control unit 2, and the inside is electrically connected to the heating wire assembly 5, which is a power transmission component. It transmits the power of the battery to the heating wire assembly 5 to achieve the heating of the e-liquid by the heating wire assembly 5.

[0034] The bottom cover 6 is also provided with a plurality of first magnets 62, such as Figure 4 The first magnets 62 are symmetrically arranged in two, and the cigarette cartridge body 1 and the atomizer control unit 2 are connected by magnetic attraction. Specifically, the lower part of the cigarette cartridge housing 12 is inserted into the inside of the atomizer control unit 2, and the first magnets 62 correspond to and attract the second magnets 21 inside the atomizer control unit 2.

[0035] Furthermore, in actual applications, magnets with different magnetic attraction forces can be selected to control the magnetic attraction force between the first magnet 62 and the second magnet 21, so that the magnetic attraction force between the cartridge body 1 and the atomizer control unit 2 can be controlled within a reasonable range; making the cartridge body 1 easy to replace and not easy to fall out.

[0036] like Figure 3 As shown, the cartridge housing 12 and the cartridge upper housing 11 are stepped; when the cartridge housing 12 is inserted, the cartridge upper housing 11 serves as a limit, and the overall shape is smoother and more beautiful. Figure 1 shown.

[0037] Furthermore, in order to connect the cartridge housing 12 and the cartridge upper housing 11 more firmly, as Figure 4As shown, a plurality of first buckles 112 are provided on both sides of the interior of the upper shell 11 of the cartridge. At the same time, first grooves 123 corresponding to the first buckles 112 are provided on both sides of the cartridge shell 12. The first buckles 112 are inserted into the first grooves 123 to connect the cartridge shell 12 and the upper shell 11 of the cartridge together.

[0038] like Figure 4 As shown, the bottom cover 6 is provided with a plurality of first receiving holes 63 for accommodating the electrode columns 61. In order to ensure the stable installation of the electrode columns 61, the electrode columns 61 are interference-connected with the first receiving holes 63. Similarly, the bottom cover 6 is provided with placement holes 64 for placing the first magnets 62 on both sides. In order to ensure the stable installation of the first magnets 62, the first magnets 62 are interference-connected with the placement holes 64.

[0039] like Figure 7 As shown, a first annular protrusion 66 is provided on the upper part of the bottom cover 6, and the first annular protrusion 66 is clamped on the inner side of the cartridge housing 12. Specifically, a plurality of second buckles 661 are provided on the first annular protrusion 66, and second grooves 124 corresponding to the second buckles 661 are provided on both sides of the cartridge housing 12. The second buckles 661 are inserted into the second grooves 124 to clamp the cartridge housing 12 to the bottom cover 6.

[0040] In order to position the cartridge before connection and facilitate more accurate connection, positioning grooves 67 are provided on both sides of the bottom cover 6 , and a first positioning protrusion 125 corresponding to the positioning groove 67 is provided at the lower part of the cartridge housing 12 . The first positioning protrusion 125 is inserted into the positioning groove 67 .

[0041] like Figure 8 As shown, one end of the cartridge housing 12 is provided with a first sealing sleeve 71 for sealing one end of the oil storage cotton 13, and the other end is provided with a second sealing sleeve 72 for sealing the other end of the oil storage cotton 13; the first sealing sleeve 71 is also plugged into the bottom cover 6 and installed on the bottom cover 6; specifically, as shown Figure 7 As shown, a second annular protrusion 68 is provided inside the first annular protrusion 66 , and the end of the first sealing sleeve 71 is inserted between the first annular protrusion 66 and the second annular protrusion 68 .

[0042] like Figure 7 As shown, a first oil-absorbing cotton pad 81 is installed between the first sealing sleeve 71 and the bottom cover 6. Figure 8 As shown, a second oil-absorbing cotton pad 82 is installed between the second sealing sleeve 72 and the upper shell 11 of the cigarette cartridge; the second sealing sleeve 72 is provided with a second accommodating groove 73 for accommodating the second oil-absorbing cotton pad 82; a first oil-absorbing cotton pad 81 and a second oil-absorbing cotton pad 82 are provided to prevent the cigarette oil from leaking out.

[0043] like Figure 7 As shown, a PCB board 8 is also installed between the first sealing sleeve 71 and the bottom cover 6. The lower side of the PCB board 8 is electrically connected to the electrode column 61, and the upper side is electrically connected to the heating wire assembly 5, so that the heating wire assembly 5 is heated; the PCB board 8 can receive power and control signals through the electrode column 61, thereby performing data processing, and then outputting power to control the start and stop of the heating wire assembly 5.

[0044] like Figure 7 As shown, in order to fix and install the PCB board 8, a plurality of second positioning protrusions 69 are installed on the upper part of the bottom cover 6, and the PCB board 8 is provided with a plurality of positioning through holes 811 corresponding to the second positioning protrusions 69. The second positioning protrusions 69 are inserted into the positioning through holes 811 to position the PCB board 8.

[0045] like Figure 5 As shown, the heating wire assembly 5 includes a middle tube 52 sleeved on the first sealing sleeve 71, an inner cotton 53 installed inside the middle tube 52, a heating wire 51 installed inside the inner cotton 53, and an insulating sleeve 54 installed at one end of the middle tube 52; Figure 7 As shown, the heating wire 51 passes through the small hole on the first sealing sleeve 71 and is electrically connected to the PCB board 8. The oil storage cotton 13 is a hollow structure. The outer surface of the inner cotton 53 is connected to the inner surface of the inner cavity of the oil storage cotton 13, thereby realizing the flow of the smoke oil. Specifically, the smoke oil in the oil storage cotton 13 flows to the inner cotton 53 and is heated by the heating wire 51 inside the inner cotton 53, thereby generating smoke.

[0046] like Figure 7 As shown, the first sealing sleeve 71 is provided with a third positioning protrusion 711, and the third positioning protrusion 711 is inserted into the interior of the middle tube 52. The small hole is provided on the third positioning protrusion 711, and the second sealing sleeve 72 is provided with a positioning step hole 721. The insulating sleeve 54 is inserted into the interior of the positioning step hole 721. The third positioning protrusion 711 is provided with a vent hole 712, and one end of the vent hole 712 is connected to the air inlet 65, and the other end is connected to the middle tube 52, the insulating sleeve 54, the positioning step hole 721 and the mouthpiece 111 in sequence, so as to realize air circulation. The external air enters the interior of the cigarette cartridge shell 12 through the air inlet 65, and then passes through the vent hole 712, the middle tube 52, the insulating sleeve 54, the positioning step hole 721 and the mouthpiece 111 in sequence, thereby bringing the smoke generated by heating out from the mouthpiece 111.

[0047] The steps of assembling the cigarette cartridge body 1;

[0048] Step S1: Assemble the heating wire assembly 5, install the heating wire 51 inside the inner cotton 53, insert the inner cotton 53 into the middle tube 52, and insert the edge sleeve 54 into one end of the middle tube 52 to position the inner cotton 53;

[0049] Step S2: Sleeve the oil-storage cotton 13 onto the outside of the heating wire assembly 5, and insert the heating wire assembly 5 into the first sealing sleeve 71; wherein the third positioning protrusion 711 on the first sealing sleeve 71 is inserted into the interior of the middle tube 52, and the heating wire 51 passes through the small hole to be electrically connected to the PCB board 8;

[0050] Step S3: placing the electrode column 61 inside the first receiving hole 63, placing the first magnet 62 inside the placement hole 64, and placing the first oil-absorbing cotton pad 81 inside the bottom cover 6;

[0051] Step S4: The PCB board 8 is electrically connected to the electrode column 61 , and the second positioning protrusion 69 is inserted into the positioning through hole 811 to fix the PCB board 8;

[0052] Step S5: Insert the end of the first sealing sleeve 71 between the first annular protrusion 66 and the second annular protrusion 68 to complete the assembly of the first sealing sleeve 71 and the bottom cover 6;

[0053] Step S6: The first positioning protrusion 125 is inserted into the positioning groove 67 , and the second buckle 661 is inserted into the second groove 124 , thereby fastening the cigarette cartridge housing 12 to the bottom cover 6 ;

[0054] Step S7: Install a second sealing sleeve 72 on the upper portion of the cigarette cartridge housing 12 , and install a second oil-absorbing cotton pad 82 inside the second accommodating groove 73 of the second sealing sleeve 72 ;

[0055] Step S8: The upper cartridge shell 11 is placed on the upper part of the cartridge shell 12 , and the first buckle 112 is inserted into the first groove 123 , and the cartridge shell 12 and the upper cartridge shell 11 are buckled together to complete the assembly of the cartridge body 1 .

[0056] The above embodiments are preferred implementation methods of the present invention, but the implementation methods of the present invention are not limited to the above embodiments. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention should be considered as equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A quick-change cigarette cartridge, characterized by: The invention comprises a cigarette cartridge body (1), wherein the cigarette cartridge body (1) comprises a cigarette cartridge upper shell (11) mounted on the upper part, a suction mouth portion (111) being provided on the upper part of the cigarette cartridge upper shell (11), a cigarette cartridge shell (12) being provided on the inner side, an oil storage cotton (13) being provided inside the cigarette cartridge shell (12), a heating wire assembly (5) being provided inside the oil storage cotton (13), the upper part of the cigarette cartridge shell (12) being sealed by the cigarette cartridge upper shell (11), and the lower part being sealed by a snap-on bottom cover (6); a plurality of electrode columns (61), a first magnet (62) and an air inlet (65) being provided on the bottom cover (6), the electrode columns (61) being electrically connected to the heating wire assembly (5), the lower part of the cigarette cartridge shell (12) being inserted into the interior of the atomizer control unit (2), the first magnet (62) and the second magnet (21) inside the atomizer control unit (2) corresponding to and attracting each other.

2. The quick-replaceable cigarette cartridge according to claim 1, characterized in that: The cartridge housing (12) and the cartridge upper housing (11) are stepped; a plurality of first buckles (112) are provided on the inner side of the cartridge upper housing (11); first grooves (123) corresponding to the first buckles (112) are provided on both sides of the cartridge housing (12); the first buckles (112) are inserted into the first grooves (123) to fix the cartridge housing (12) and the cartridge upper housing (11) together.

3. The quick-replaceable cigarette cartridge according to claim 1, characterized in that: The bottom cover (6) is provided with a plurality of first accommodating holes (63) for accommodating electrode columns (61), and both sides of the bottom cover (6) are provided with placement holes (64) for placing first magnets (62).

4. The quick-replaceable cigarette cartridge according to claim 1, characterized in that: The upper part of the bottom cover (6) is provided with a first annular protrusion (66), and the first annular protrusion (66) is clamped on the inner side of the cigarette cartridge housing (12). The first annular protrusion (66) is provided with a plurality of second buckles (661). Second grooves (124) corresponding to the second buckles (661) are provided on both sides of the cigarette cartridge housing (12). The second buckles (661) are inserted into the second grooves (124) to clamp the cigarette cartridge housing (12) and the bottom cover (6); positioning grooves (67) are provided on both sides of the bottom cover (6), and a first positioning protrusion (125) corresponding to the positioning groove (67) is provided on the lower part of the cigarette cartridge housing (12), and the first positioning protrusion (125) is inserted into the positioning groove (67).

5. The quick-replaceable cigarette cartridge according to claim 4, characterized in that: One end of the cigarette cartridge housing (12) is provided with a first sealing sleeve (71) for sealing one end of the oil storage cotton (13), and the other end is provided with a second sealing sleeve (72) for sealing the other end of the oil storage cotton (13); the first sealing sleeve (71) is also plugged into the bottom cover (6) and installed on the bottom cover (6); a second annular protrusion (68) is provided on the inner side of the first annular protrusion (66), and the end of the first sealing sleeve (71) is plugged between the first annular protrusion (66) and the second annular protrusion (68).

6. The quick-replaceable cigarette cartridge according to claim 5, characterized in that: A first oil-absorbing cotton pad (81) is installed between the first sealing sleeve (71) and the bottom cover (6), and a second oil-absorbing cotton pad (82) is installed between the second sealing sleeve (72) and the upper shell (11) of the cigarette cartridge; the second sealing sleeve (72) is provided with a second accommodating groove (73) for accommodating the second oil-absorbing cotton pad (82).

7. The quick-replaceable cigarette cartridge according to claim 5, characterized in that: A PCB board (8) is also installed between the first sealing sleeve (71) and the bottom cover (6). One side of the PCB board (8) is electrically connected to the electrode column (61), and the other side is electrically connected to the heating wire assembly (5), so that the heating wire assembly (5) is heated; a plurality of second positioning protrusions (69) are installed on the upper part of the bottom cover (6), and the PCB board (8) is provided with a plurality of positioning through holes (811) corresponding to the second positioning protrusions (69). The second positioning protrusions (69) are inserted into the positioning through holes (811) to position the PCB board (8).

8. The quick-replaceable cigarette cartridge according to claim 5, characterized in that: The heating wire assembly (5) comprises a middle tube (52) sleeved on a first sealing sleeve (71), an inner cotton (53) installed inside the middle tube (52), a heating wire (51) installed inside the inner cotton (53), and an insulating sleeve (54) installed at one end of the middle tube (52); the heating wire (51) passes through the first sealing sleeve (71) and is electrically connected to the PCB board (8); the oil storage cotton (13) is a hollow structure, and the outer surface of the inner cotton (53) is connected to the inner surface of the inner cavity of the oil storage cotton (13).

9. The quick-replaceable cigarette cartridge according to claim 8, characterized in that: The first sealing sleeve (71) is provided with a third positioning protrusion (711), and the third positioning protrusion (711) is inserted into the interior of the middle tube (52). The second sealing sleeve (72) is provided with a positioning stepped hole (721), and the insulating sleeve (54) is inserted into the interior of the positioning stepped hole (721). The third positioning protrusion (711) is provided with a vent hole (712), and one end of the vent hole (712) is connected to the air inlet (65), and the other end is connected to the middle tube (52), the insulating sleeve (54), the positioning stepped hole (721) and the suction nozzle (111) in sequence.

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