Rapidly-assembled cartridge with external tar bin and electronic cigarette
By designing the external oil silo rapid assembly cartridge and adopting the assembly structure of the upper oil silo and lower oil silo, the problem of oil leakage in electronic cigarettes during transportation is solved, and higher sealing and quality are achieved, simplifying the assembly process.
Patent Information
- Application Number
- CN202421771414.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-25
- Publication Date
- 2025-06-24
- Estimated Expiration
- 2034-07-25
AI Technical Summary
During the transportation process, due to factors such as bumps, temperature difference, and air pressure, the e-liquid in the oil tank is prone to seep out, resulting in oil leakage problems and affecting product quality and sales.
A quick-assembly smoke cartridge of an external oil silo is designed, consisting of two parts: an oil silo and an oil silo. The oil silo is pre-filled with oil as an external oil silo, and packaged separately. It is quickly connected and assembled through the easy-to-punch and puncture section to ensure the sealing of the e-liquid oil.
It effectively solves the problem of oil leakage in electronic cigarettes during transportation, improves the sealing and quality of the product, simplifies the assembly process, and improves the consumption experience.
Smart Images

Figure CN223008458U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic cigarettes, in particular to an externally-mounted oil tank quick-assembly type cartridge and an electronic cigarette. Background Art
[0002] An electronic cigarette atomizes the e-liquid in an oil tank through an atomizing core. The atomizing core is provided with a heating wire that is energized to achieve electric heating. The heating wire atomizes the e-liquid into aerosol steam smoke for the user to inhale. The oil tanks of electronic cigarettes are embodied in two types of electronic cigarettes. One is a cartridge-based electronic cigarette that includes a cartridge and a power host. The oil tank is integrated into the cartridge. The cartridge consists of a housing integrated with a mouthpiece portion. Inside the housing is an oil tank for storing e-liquid. An atomizing core is provided in the oil tank. An oil seal is provided at the lower port of the housing. The atomizing core, the mouthpiece, and the oil seal are provided with a through atomizing channel. The other is an integrated electronic cigarette, which includes a housing. The upper end of the housing is a mouthpiece portion. Inside the housing are an oil tank, a battery, a control board, and a microphone sensor. Whether it is a cartridge or an integrated electronic cigarette, for the pre-filled type, after the product leaves the factory, during transportation, due to factors such as jolting, temperature difference, and air pressure, the e-liquid in the oil tank may leak out through the atomizing channel, resulting in oil leakage and product quality problems before the product reaches the sales end, which greatly affects the normal sales of the product. Therefore, it is necessary to improve the existing electronic cigarette products to solve the above problems. Summary of the Utility Model
[0003] In view of this, the utility model provides an externally-mounted oil tank quick-assembly type cartridge and an electronic cigarette. The cartridge is designed with an upper oil tank and a lower oil tank. The upper and lower oil tanks are quickly inserted and assembled to conduct the e-liquid in the upper oil tank to the lower oil tank. This solution pre-fills the e-liquid in the upper oil tank as an externally-mounted oil tank and packages it separately, so as to solve the problems of easy oil leakage and seepage of the existing pre-filled electronic cigarette cartridges.
[0004] The technical solution disclosed by the utility model, an externally-mounted oil tank quick-assembly type cartridge, includes an upper oil tank body and a lower oil tank body docked at the bottom of the upper oil tank body. The upper oil tank body includes a first housing. Inside the first housing is a first oil chamber. The upper end of the first housing is a mouthpiece portion. The lower end of the first housing is a first opening portion. A first sealing member is embedded in the first opening portion. The inner wall of the suction port of the mouthpiece portion extends downward to form a mouthpiece channel tube body. The first sealing member is provided with a first through hole for passing through the lower end of the mouthpiece channel tube body and sealing with the tube wall of the mouthpiece channel tube body, a second through hole for oil injection. The second through hole is provided with an oil injection plug. The first sealing member is provided with an easily punctured position. The lower oil tank body includes a second housing. Inside the second housing is a second oil chamber. The upper end of the second housing is provided with a third through hole for inserting and connecting with the lower end of the mouthpiece channel tube body, and a puncturing tube portion for inserting and puncturing the easily punctured position. The lower end of the puncturing tube portion communicates with the second oil chamber. The lower end of the third through hole in the second housing is docked with an atomizing component.
[0005] Furthermore, the first sealing component includes a first sealing silicone and a first plastic bottom cover, the first sealing silicone is sleeved on the first plastic bottom cover, the first sealing silicone and the first plastic bottom cover are provided with a first through hole and a second through hole which are relatively connected, the easy-to-puncture position is a thinning area provided on the first sealing silicone, and the first plastic bottom cover below the corresponding thinning area is provided with a through hole position, and the through hole position and the thinning area form an easy-to-puncture position.
[0006] Furthermore, a silicone sealing sheet is embedded in the upper end of the second shell, and a hole for sealing the hole wall of the third through hole and a hole for passing the piercing tube portion are provided on the silicone sealing sheet.
[0007] Furthermore, the lower end of the second shell is a second opening portion, the second opening portion is embedded with a second sealing member, the second sealing member is provided with an air inlet hole communicated with the atomization assembly, and the second sealing member includes a second plastic bottom cover and a second sealing silicone sleeved on the second plastic bottom cover.
[0008] The atomization assembly includes a hollow steel pipe, a heating element, oil-conducting cotton and a glass fiber tube. A notch is provided on one side of the upper end of the hollow steel pipe. The oil-conducting cotton wraps the side wall of the heating element and is then inserted into the hollow steel pipe through the notch. The upper end of the hollow steel pipe is plugged into the glass fiber tube, and the upper end of the glass fiber tube is plugged into the third through hole. A plugging hole for plugging into the lower end of the hollow steel pipe is provided on the second sealing silicone. A hollow cylinder with vertical teeth around one side wall is embedded in the plugging hole, and the lower end of the hollow steel pipe is butt-jointed to the upper end of the hollow cylinder.
[0009] Furthermore, an oil storage integrated cotton is sheathed on the periphery of the hollow steel tube and the glass fiber tube, a sleeve is sheathed on the outer wall of the oil storage integrated cotton, and a plurality of oil inlet holes are arranged around the side wall of the sleeve near the lower port.
[0010] Furthermore, the inner bottom corresponding to the upper end of the second shell is provided with a first convex edge extending downward, the first convex edge forms an upper fixing position for the upper end of the sleeve to be inserted therein, and the second sealing silicone is provided with a concave ring groove for the lower end of the sleeve to be inserted therein.
[0011] Furthermore, the second plastic bottom cover is provided with a second convex edge extending upward at a position corresponding to the bottom of the concave ring groove of the second sealing silicone, and the second convex edge forms a cavity, the air inlet hole is provided at the bottom of the cavity, and an adsorption cotton block is provided in the cavity, and the second plastic bottom cover is provided with power terminals and adsorption magnets.
[0012] Furthermore, the thorn tube part is a cylindrical tube, and a V-shaped opening is arranged at the tube opening of the cylindrical tube along the central axis, and the tube opening of the thorn tube part forms two oblique cut spike parts.
[0013] The present solution also provides an electronic cigarette, which includes the above-mentioned externally-mounted oil tank quickly assembled cartridge.
[0014] The beneficial effects of the present utility model are as follows: Through the designed electronic cigarette cartridge of the present solution, the cartridge is designed to be composed of an upper oil tank body and a lower oil tank body. The upper oil tank body is the mouthpiece and the externally-mounted oil tank. Since the oil tank formed inside the upper oil tank body only needs to seal the opening at its lower end, the e-liquid stored in the upper oil tank body has good sealing performance. The traditional atomization core is arranged in the pre-filled e-liquid storage cavity, and the e-liquid is guided to the atomization core, which is relatively sensitive to factors such as transportation bumps, temperature, and air pressure differences. Under the influence of these factors, the atomization core is prone to oil leakage. In the present solution, the upper oil tank body as an externally-mounted oil tank removes the atomization core, and the atomization core assembly is arranged in the atomization oil tank part without oil. In this way, the externally-mounted oil tank is filled with oil and leaves the factory, and the sealing performance of the externally-mounted oil tank is less affected by factors such as transportation bumps, temperature differences, and air pressure differences. Therefore, the present solution is beneficial to the situation that there is no oil leakage or seepage of the cartridge when the electronic cigarette components reach the merchants or consumers after pre-filling the oil, thereby improving the product quality and consumption experience.
[0015] In addition, a puncturable position is provided at the bottom of the upper oil tank body, and a puncturing tube part is provided on the lower oil tank body. With this design, when the upper oil tank body and the lower oil tank body are docked, the puncturing tube part pierces and inserts into the puncturable position to achieve quick docking and assembly, which is simple and convenient to operate. At the same time, it is beneficial to prevent the e-liquid in the upper oil tank body from leaking when the upper oil tank and the lower oil tank are docked and assembled. Description of the Drawings
[0016] Figure 1 It is a three-dimensional view of the overall structure of the externally-mounted oil tank quickly assembled cartridge of the present utility model.
[0017] Figure 2 It is an exploded view of the structure of the upper oil tank body of the externally-mounted oil tank quickly assembled cartridge of the present utility model.
[0018] Figure 3 It is an exploded view of the structure of the lower oil tank body of the externally-mounted oil tank quickly assembled cartridge of the present utility model.
[0019] Figure 4 It is a top view of the overall structure of the externally-mounted oil tank quickly assembled cartridge of the present utility model.
[0020] Figure 5 For corresponding Figure 4 It is a sectional view of the A-A structure of the externally-mounted oil tank quickly assembled cartridge.
[0021] Figure 6 It is a schematic diagram of the V-shaped opening of the puncturing tube part of the second housing of the externally-mounted oil tank quickly assembled cartridge of the present utility model.
[0022] Figure 7 This is the bottom view of the overall structure of the externally-mounted oil tank quick-assembly type cartridge of the present utility model. Specific embodiments
[0023] Next, the technical solutions in the embodiments of the present disclosure will be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative efforts also belong to the scope of protection of the present disclosure.
[0024] Please refer to Figures 1 to 7 , which is an embodiment of an externally-mounted oil tank quick-assembly type cartridge provided by this technical solution. The cartridge structure includes an upper oil tank body and a lower oil tank body docked at the bottom of the upper oil tank body. The upper oil tank body includes a first housing 1. The first oil chamber is inside the first housing 1. The upper end of the first housing 1 is a mouthpiece part 101, and the lower end of the first housing 1 is a first opening part. A first seal is embedded in the first opening part. The inner wall of the suction port of the mouthpiece part 101 extends downward to form a mouthpiece channel tube body 102. A first through hole 231 for passing through the lower end of the mouthpiece channel tube body 102 and sealing with the wall of the mouthpiece channel tube body 102, and a second through hole 232 for refueling are provided on the first seal. A fuel injection plug 4 is provided in the second through hole 232. An easily punctured position 23 is provided on the first seal. The lower oil tank body includes a second housing 5. The second oil chamber is inside the second housing 5. The upper end of the second housing 5 is provided with a third through hole 51 for inserting and connecting with the lower end of the mouthpiece channel tube body 102, and a puncture tube part 52 for inserting and puncturing the easily punctured position 23. The lower end of the puncture tube part 52 communicates with the second oil chamber. A atomization component 6 is docked at the lower end of the third through hole 51 inside the second housing 5.
[0025] Through the electronic cigarette cartridge designed by this solution, the cartridge is designed to be composed of an upper oil tank body and a lower oil tank body. The upper oil tank body is the mouthpiece and the externally-mounted oil tank. Since the oil tank formed inside the upper oil tank body only needs to seal the opening at its lower end, the e-liquid stored in the upper oil tank body has good sealing performance. The traditional atomization core is arranged in the pre-filled e-liquid storage cavity, and the e-liquid is guided to the atomization core, which is relatively sensitive to factors such as transportation bumps, temperature, and air pressure differences. Under the influence of these factors, the atomization core is prone to oil leakage. In this solution, the upper oil tank body is used as an externally-mounted oil tank, removing the atomization core, and the atomization core assembly is arranged in the atomization oil tank part without oil. In this way, the externally-mounted oil tank is filled with oil and leaves the factory, and the sealing performance of the externally-mounted oil tank is less affected by factors such as transportation bumps, temperature differences, and air pressure differences. Therefore, this solution is beneficial to prevent the e-liquid cartridge from leaking when it reaches the merchant or the consumer after being pre-filled with e-liquid at the factory, thereby improving the product quality and consumption experience.
[0026] On the other hand, a puncture - prone position 23 structure is provided at the bottom of the upper oil storage chamber body in this solution, and a puncture tube part 52 is provided on the lower oil storage chamber body. With this design, when the upper oil storage chamber body and the lower oil storage chamber body are docked, the puncture tube part 52 pierces and inserts into the puncture - prone position 23, realizing rapid docking and assembly. The operation is simple and convenient, which is beneficial to preventing the e - liquid in the upper oil storage chamber from leaking out when the upper oil storage chamber and the lower oil storage chamber are docked and assembled.
[0027] Furthermore, the first sealing member includes a first sealing silica gel 2 and a first plastic bottom cover 3. The first sealing silica gel 2 is sleeved on the first plastic bottom cover 3. The first sealing silica gel 2 and the first plastic bottom cover 3 are provided with relatively - communicating first through - hole 231 and second through - hole 232. The puncture - prone position 23 is that a thinning area 201 is provided on the first sealing silica gel 2, and a through - hole position 301 is provided on the first plastic bottom cover 3 below the position corresponding to the thinning area 201. The through - hole position 301 and the thinning area 201 form the puncture - prone position 23.
[0028] Furthermore, a silica gel sealing sheet 11 is embedded at the upper end of the second housing 5. The silica gel sealing sheet 11 is provided with a hole position for sealing the hole wall of the third through - hole 51 and a hole position for the puncture tube part 52 to pass through.
[0029] Refer to Figure 3 , furthermore, the lower end of the second housing 5 is a second opening part, and a second sealing member is embedded in the second opening part. The second sealing member is provided with an air inlet hole communicating with the atomization assembly 6. The second sealing member includes a second plastic bottom cover 9 and a second sealing silica gel 8 sleeved on the second plastic bottom cover 9.
[0030] Refer to Figure 3 , Figure 5 , furthermore, the atomization assembly 6 includes a hollow steel pipe 61, a heating element 62, a wicking cotton 63 and a glass fiber tube 64. A notch is provided on one side of the upper end of the hollow steel pipe 61. The wicking cotton 63 wraps the side wall of the heating element 62 and then is placed into the hollow steel pipe 61 through the notch. The upper end of the hollow steel pipe 61 is plugged into the glass fiber tube 64, the upper end of the glass fiber tube 64 is plugged into the third through - hole 51, the second sealing silica gel 8 is provided with a plug - in hole position 81 for plugging the lower end of the hollow steel pipe 61, and a hollow cylinder 7 with vertical teeth around its side wall is embedded in the plug - in hole position 81. The lower end of the hollow steel pipe 61 is docked with the upper end of the hollow cylinder 7.
[0031] Preferably, an oil storage integrated cotton 65 is sleeved around the periphery of the hollow steel pipe 61 and the glass fiber pipe 64. A sleeve 66 is sleeved on the outer wall of the oil storage integrated cotton 65. A plurality of oil inlet holes 661 are provided around the side wall of the sleeve 66 near the lower port. By providing the oil storage integrated cotton 65 to adsorb e-liquid, and then the e-liquid in the oil storage integrated cotton 65 is introduced into the heating element 62 through the oil guiding cotton 63. The oil storage integrated cotton 65 has good oil guiding and oil locking properties, which is beneficial to improving the anti-oil leakage performance of the second housing 5.
[0032] Referring to Figure 5 , further, a first convex edge 53 extending downward is provided at the inner bottom corresponding to the upper end of the second housing 5. The first convex edge 53 forms an upper fixing position for the upper end of the sleeve 66 to be inserted therein. An annular groove position 82 for the lower end of the sleeve 66 to be inserted therein is provided on the second sealing silica gel 8, which is beneficial to stably assembling the sleeve 66. The sleeve 66 is assembled stably, and further, the internal hollow steel pipe 61, heating element 62, oil guiding cotton 63 and glass fiber pipe 64 are also assembled stably.
[0033] Referring to Figure 3 , further, the second plastic bottom cover 9 is provided with a second convex edge 91 extending upward at the position corresponding to the bottom of the annular groove position 82 of the second sealing silica gel 8. The second convex edge 91 forms a cavity position. An air inlet hole 92 is provided at the bottom of the cavity position. An adsorption cotton block 10 is provided in the cavity position. The second plastic bottom cover 9 is provided with an electrical connection terminal 12 and an adsorption magnet 13. By adsorbing the atomization condensate generated when the electronic cigarette works through the adsorption cotton block 10, it is beneficial to keep the atomization channel dry.
[0034] Referring to Figure 6 , further, the puncturing tube portion 52 is a cylindrical tube, and a V-shaped opening 521 is provided along the central axis at the tube orifice of the cylindrical tube. The tube orifice of the puncturing tube portion 52 forms two obliquely cut spiked portions. One puncturing tube portion 52 forms two obliquely cut spiked portions, which is beneficial to better puncture the easily puncturable position 23.
[0035] This technical solution also discloses an electronic cigarette (not shown), which includes the above-mentioned externally mounted oil cartridge with quick assembly type cartridge. It should be understood that the electronic cigarette further includes a main control board, a battery, a microphone sensor, and a housing integrating the above components, and a plug-in position adapted to dock with the bottom of the cartridge is provided on the housing. The plug-in position is provided with an electrical connection elastic needle connecting to the main control board and a magnet magnetically attracting to the cartridge, which is equivalent to the host unit in the composition structure of a cartridge replacement type electronic cigarette. Therefore, those skilled in the art can design a host unit adapted to be used in conjunction with this technical solution according to the existing cartridge replacement type electronic cigarette technology, so it will not be elaborated in detail here.
[0036] The embodiments of the present disclosure have been described above. The above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and variations are obvious to those of ordinary skill in the art in the technical field without departing from the scope and spirit of the described embodiments. The choice of terms used herein is intended to best explain the principles of the embodiments, the practical application, or the improvement of the technology in the market, or to enable other ordinary technical personnel in the technical field to understand the embodiments disclosed herein.
Claims
1. An external oil tank quick assembly type cigarette cartridge, characterized in that: It includes an upper oil bin body and a lower oil bin body connected to the bottom of the upper oil bin body; The upper oil bin body comprises a first shell (1), the first shell (1) contains a first oil chamber, the upper end of the first shell (1) is a suction nozzle (101), the lower end of the first shell (1) is a first opening, a first sealing member is embedded in the first opening, the inner wall of the suction port of the suction nozzle (101) extends downward to form a suction nozzle channel tube body (102), the first sealing member is provided with a first through hole (231) for passing through the lower end of the suction nozzle channel tube body (102) and sealing with the tube wall of the suction nozzle channel tube body (102), and a second through hole (232) for oil injection, the second through hole (232) is provided with an oil injection plug (4), and the first sealing member is provided with an easy-to-puncture position (23); The lower oil tank body comprises a second shell (5), the second shell (5) contains a second oil chamber, the upper end of the second shell (5) is provided with a third through hole (51) plugged into the lower end of the nozzle channel tube (102), and a piercing tube portion (52) for plugging into and piercing the easily pierced position (23), the lower end of the piercing tube portion (52) is connected to the second oil chamber, and the lower end of the third through hole (51) in the second shell (5) is connected to the atomizer assembly (6).
2. The external oil tank quick assembly type cigarette cartridge according to claim 1, characterized in that: The first sealing component comprises a first sealing silicone (2) and a first plastic bottom cover (3); the first sealing silicone (2) is sleeved on the first plastic bottom cover (3); the first sealing silicone (2) and the first plastic bottom cover (3) are provided with a first through hole (231) and a second through hole (232) which are relatively connected; the easy-to-puncture position (23) is a thinning area (201) provided on the first sealing silicone (2); the first plastic bottom cover (3) below the position of the thinning area (201) is provided with a through hole position (301); the through hole position (301) and the thinning area (201) form the easy-to-puncture position (23).
3. The external oil tank quick assembly type cigarette cartridge according to claim 1, characterized in that: A silicone sealing sheet (11) is embedded in the upper end of the second shell (5), and the silicone sealing sheet (11) is provided with a hole for sealing the hole wall of the third through hole (51) and a hole for passing the piercing tube portion (52).
4. The external oil tank quick assembly type cigarette cartridge according to claim 1, characterized in that: The lower end of the second shell (5) is a second opening portion, in which a second sealing member is embedded. The second sealing member is provided with an air inlet hole which is in communication with the atomization assembly (6). The second sealing member comprises a second plastic bottom cover (9) and a second sealing silicone (8) which is sleeved on the second plastic bottom cover (9).
5. The external oil tank quick assembly type cigarette cartridge according to claim 4, characterized in that: The atomizing assembly (6) comprises a hollow steel tube (61), a heating element (62), an oil-conducting cotton (63) and a glass fiber tube (64); a notch is provided on one side of the upper end of the hollow steel tube (61); the oil-conducting cotton (63) wraps around the side wall of the heating element (62) and is then inserted into the hollow steel tube (61) through the notch; the upper end of the hollow steel tube (61) is plugged into the glass fiber tube (64); the upper end of the glass fiber tube (64) is plugged into the third through hole (51); the second sealing silicone (8) is provided with a plugging hole (81) for plugging into the lower end of the hollow steel tube (61); a hollow column (7) having a side wall with vertical teeth around it is embedded in the plugging hole (81); the lower end of the hollow steel tube (61) is butt-jointed to the upper end of the hollow column (7).
6. The external oil tank quick assembly type cigarette cartridge according to claim 5, characterized in that: An oil storage integrated cotton (65) is sleeved on the periphery of the hollow steel tube (61) and the glass fiber tube (64), a sleeve (66) is sleeved on the outer wall of the oil storage integrated cotton (65), and a plurality of oil inlet holes (661) are provided around the side wall of the sleeve (66) near the lower end.
7. The external oil tank quick assembly type cigarette cartridge according to claim 6, characterized in that: The inner bottom corresponding to the upper end of the second shell (5) is provided with a first convex edge (53) extending downward, the first convex edge (53) forms an upper fixing position for the upper end of the sleeve (66) to be inserted therein, and the second sealing silicone (8) is provided with a concave ring groove (82) for the lower end of the sleeve (66) to be inserted therein.
8. The external oil tank quick assembly type cigarette cartridge according to claim 7, characterized in that: The second plastic bottom cover (9) is provided with a second convex edge (91) extending upward at a position corresponding to the bottom of the concave ring groove (82) of the second sealing silicone (8), and the second convex edge (91) forms a cavity, and the air inlet hole (92) is provided at the bottom of the cavity, and an adsorption cotton block (10) is provided in the cavity. The second plastic bottom cover (9) is provided with an electrical terminal (12) and an adsorption magnet (13).
9. The external oil tank quick assembly type cigarette cartridge according to claim 1, characterized in that: The thorn tube part (52) is a cylindrical tube, and a V-shaped opening (521) is arranged at the tube opening of the cylindrical tube along the central axis. The tube opening of the thorn tube part (52) forms two oblique cut spike parts.
10. An electronic cigarette, characterized in that: A quick-assembly cigarette cartridge comprising the external oil tank as described in any one of claims 1 to 9.