Tobacco cartridge with double heating wires and capable of preventing tar leakage and electronic cigarette
By using the structure of the insulated silicone bottom and bottom cover interference assembly in the double heating wire electronic cigarette, the bent pin is sealed by the insulated silicone bottom, solving the problem of e-liquid or condensate leakage along the pins of the electrical terminal, achieving an oil leakage effect and maintaining the oil pressure balance of the dual heating wire.
Patent Information
- Application Number
- CN202421583679.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-05
AI Technical Summary
In existing double-heating wire electronic cigarettes, e-liquid or condensate is prone to seep along the pins of the electrical connection terminal, resulting in oil leakage and liquid leakage, affecting the normal use of electronic cigarettes.
A double heating wire and oil-proof smoke cartridge is designed, and the structure is equipped with an insulated silicone bottom and bottom cover interference assembly. The bent second and third pins are sealed through the insulated silicone bottom to prevent oil from flowing along the pin to the electrical connection terminal.
It effectively prevents e-liquid or condensate from leaking out along the pins of the electrical terminal, ensures the normal use of electronic cigarettes, and maintains the hydraulic balance of the double heating wire through the design of the upper step hole, avoiding dry burning or battering of the heating wire.
Smart Images
Figure CN222840509U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electronic cigarettes, and in particular to a double heating wire and an anti-leakage oil cartridge and an electronic cigarette. Background Art
[0002] An electronic cigarette is an electronic product that electrically heats the oil to atomize the oil into aerosol vapor for consumption by the user, so as to achieve a simulated smoking effect. With the rapid development of electronic cigarette technology in recent years, the structure and performance of electronic cigarettes have been greatly improved. For example, for the atomization core of an electronic cigarette, a mesh heating wire is usually provided, which forms a hollow cylindrical shape, and then the positive and negative pins are led out from both ends to connect the power terminals. Since a heating wire must be started when the electronic cigarette is used, it is easy to cause the heating wire to have a limited service life or performance degradation, thereby affecting the normal use of the electronic cigarette. For this reason, technicians in this field have developed it and designed a heating element with a double heating wire. The double heating wire is usually a hollow cylindrical heating wire arranged concentrically from top to bottom. The double heating wire leads to a common electrode and two other electrodes, with a total of three pins, but it leads to a new problem. The three pins are connected to the power terminal, and the smoke oil or condensate will flow along the pins to the power terminal, resulting in oil and liquid leakage, which affects the normal use of the electronic cigarette. Utility Model Content
[0003] In view of this, the utility model proposes a double heating wire, a leak-proof cigarette cartridge and an electronic cigarette to solve the problem that the oil leaks from the power terminal along the double heating wire pins of the existing double heating wire cigarette cartridge.
[0004] The technical solution disclosed by the utility model is a double heating wire and a smoke bomb with anti-oil leakage, comprising an oil cup body, an atomizing core arranged in the oil cup body, a sealing silicone arranged at the lower end of the atomizing core, and a bottom cover arranged below the sealing silicone. The upper end of the oil cup body is a suction nozzle, and the suction nozzle part extends inwardly with a suction nozzle channel. The upper end of the atomizing core is connected to the lower end of the suction nozzle channel. The double heating wire is arranged in the atomizing core, and the sealing silicone is provided with an insertion hole connected to the lower end of the atomizing core. An insulating silicone is provided at the lower end of the insertion hole, and a through hole is provided at the center of the insulating silicone. The bottom cover is provided with an electrical terminal, and the pin of the double heating wire passes through the through hole to be connected with the electrical terminal. The bottom cover is snap-fitted with the oil cup body, and the bottom of the insulating silicone is interference-fitted with the bottom cover.
[0005] Furthermore, the double heating wire includes a first heating wire and a second heating wire which are rolled into a hollow cylindrical shape in a mesh shape, wherein the first heating wire and the second heating wire are provided with a common first pin, a second pin which is separately connected to the first heating wire, and a third pin which is separately connected to the second heating wire; the corresponding power terminals include a first power terminal, a second power terminal, and a third power terminal, wherein the second pin and the third pin are respectively connected to the second power terminal and the third power terminal after being bent at the bottom of the insulating silicone, and the first pin is downwardly connected to the first power terminal.
[0006] Preferably, the first power terminal is distributed at the center of the bottom cover, and the second power terminal and the third power terminal are distributed at two symmetrical sides of the first power terminal.
[0007] Furthermore, a first concave ring portion is provided around the lower end of the first power terminal, and a first sealing ring is sleeved on the first concave ring portion. The first sealing ring is used to seal the gap between the first power terminal and the bottom cover.
[0008] Preferably, the atomizer core comprises an outer cover tube body, an outer cotton package sleeved in the outer cover tube body, a bracket tube body sleeved in the outer cotton package, and an inner cotton package sleeved in the bracket tube body. The double heating wire is arranged in the inner cotton package. The lower end of the bracket tube body is provided with a step position abutting against the lower end of the outer cover tube body. The side walls of the outer cover tube body and the bracket tube body are evenly provided with multiple oil inlet holes.
[0009] Furthermore, a second concave ring portion is provided at the upper end of the outer cover tube body, and a second sealing ring is sleeved on the second concave ring portion. The upper end of the outer cover tube body is inserted into the lower end of the nozzle channel.
[0010] Furthermore, an upper step hole is provided on the periphery of the insertion hole of the sealing silicone corresponding to the top surface of the sealing silicone, the lowest position of the oil inlet hole is flush with the bottom of the upper step hole, and a lower step hole is provided on the periphery of the insertion hole corresponding to the bottom surface of the sealing silicone, the atomizer core is inserted from the bottom of the insertion hole, the step position at the lower end of the bracket tube body abuts against the lower step hole, and the lower end side wall of the outer cover tube body is sealed and connected to the inner wall of the insertion hole.
[0011] Furthermore, an oil-absorbing cotton block is arranged inside the bottom cover, and an air inlet hole and a magnet are arranged at the bottom of the bottom cover.
[0012] Furthermore, the side wall of the oil cup body is provided with an oil filling port, and a pluggable oil filling plug is provided at the oil filling port.
[0013] The technical solution discloses an electronic cigarette, which includes the above-mentioned double heating wire and the anti-leakage oil cartridge.
[0014] The beneficial effects of the utility model are as follows: the electronic cigarette cartridge designed by the technical solution is an electronic cigarette cartridge with an atomization core of a double heating wire, and the double heating wire usually includes three power pins, one of which is a common pin connecting the two heating wires, the common pin is the positive terminal, and the other two pins are the negative terminals. The first pin in the middle of the scheme is provided with a first sealing ring when connected to the first power terminal arranged at the center of the bottom cover, so as to prevent the oil from leaking out from the first power terminal along the first pin. The other two, the second pin and the third pin are bent from the bottom of the designed insulating silicone, and then connected downward to the second power terminal and the third power terminal. By clamping the bottom cover and the oil cup body, the bottom of the insulating silicone and the plane of the bottom cover are interference fitted, and the oil will not flow along the second pin and the third pin to the second power terminal and the third power terminal, so that the three pins of the double heating wire will not have smoke oil and condensate flowing along them to the power terminal and leaking out.
[0015] In addition, an upper step hole is set at the insertion hole of the sealing silicone for inserting and fixing the atomizer core. The upper step hole forms a concave area for maintaining the oil pressure balance of the first heating wire at the top and the second heating wire at the bottom of the double heating wire. When the smoke oil in the oil cup body is lower than the first heating wire, it can also ensure that there is enough oil to be introduced into the position of the first heating wire with outer cotton and inner cotton, which will not easily cause the first heating wire to dry burn or burn when the oil amount is lower than the first heating wire. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the decomposition of the double heating wire and the anti-leakage oil cartridge structure of the utility model.
[0017] Figure 2 It is a top view of the double heating wire and the anti-leakage oil cartridge of the utility model.
[0018] Figure 3 for Figure 2 Cross-sectional view of the dual heating wire and leak-proof cartridge BB.
[0019] Figure 4 for Figure 3 A partial enlarged schematic diagram of .
[0020] Figure 5 It is a three-dimensional diagram of the double heating wire and the anti-leakage oil cartridge of the utility model. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present disclosure will be described clearly and completely below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present disclosure, not all embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work also fall within the scope of protection of the present disclosure.
[0022] Please refer to Figures 1 to 5 , is an embodiment of a double heating wire and an anti-leakage oil cartridge provided by the technical solution, which includes an oil cup body 1, an atomizer core 2 arranged in the oil cup body 1, a sealing silicone 3 arranged at the lower end of the atomizer core 2, and a bottom cover 5 arranged below the sealing silicone 3. The upper end of the oil cup body 1 is a suction nozzle 101, and the suction nozzle 101 extends inwardly with a suction nozzle channel. The upper end of the atomizer core 2 is connected to the lower end of the suction nozzle channel. A double heating wire 25 is arranged in the atomizer core 2, and the sealing silicone 3 is provided with an insertion hole 301 connected to the lower end of the atomizer core 2. An insulating silicone 4 is provided at the lower end of the insertion hole 301, and a through hole is provided at the center of the insulating silicone 4. The bottom cover 5 is provided with an electrical terminal, and the pin of the double heating wire 25 passes through the through hole to be connected to the electrical terminal. The bottom cover 5 is clamped with the oil cup body 1, and the bottom of the insulating silicone 4 is interference fitted with the bottom cover 5.
[0023] Reference Figure 4 The double heating wire 25 includes a first heating wire 251 and a second heating wire 252 which are rolled into a hollow cylindrical shape in a mesh shape, wherein the first heating wire 251 and the second heating wire 252 are provided with a common first pin 2501, a second pin 2511 which is separately connected to the first heating wire 251, and a third pin 2521 which is separately connected to the second heating wire 252; the corresponding power terminals include a first power terminal 61, a second power terminal 62, and a third power terminal 63, wherein the second pin 2511 and the third pin 2521 are respectively connected to the second power terminal 62 and the third power terminal 63 after being bent at the bottom of the insulating silicone 4, and the first pin 2501 is downwardly connected to the first power terminal 61. Since the bottom of the insulating silicone 4 is interference fitted with the bottom cover 5, the second pin 2511 and the third pin 2521 are bent through the bottom of the insulating silicone 4, and the second pin 2511 and the third pin 2521 are sealed by the bottom of the insulating silicone 4, so the smoke oil and condensate will not flow along the second pin 2511 and the third pin 2521 to the second power terminal 62 and the third power terminal 63.
[0024] Preferably, the first power terminal 61 is distributed at the center of the bottom cover 5, and the second power terminal 62 and the third power terminal 63 are respectively distributed at the symmetrical positions on both sides of the first power terminal 61. By centering the shared first pin 2501, and symmetrically arranging the second pin 2511 and the third pin 2521, the electronic cigarette cartridge designed in this scheme can be connected to the power supply when the power supply host of the electronic cigarette is plugged in, and it is convenient to use.
[0025] Preferably, refer to Figure 1 , Figure 3A first concave ring portion is provided around the lower end of the first power terminal 61, and a first sealing ring 64 is sleeved on the first concave ring portion. The first sealing ring 64 is used to seal the gap between the first power terminal 61 and the bottom cover 5, which is beneficial to prevent the electronic cigarette oil or condensate from flowing along the first pin 2501 to the first power terminal 61 and leaking out.
[0026] Preferably, refer to Figure 1 , Figure 3 The atomizer core 2 includes an outer cover tube body 21, an outer cotton 22 sleeved in the outer cover tube body 21, a bracket tube body 23 sleeved in the outer cotton 22, and an inner cotton 24 sleeved in the bracket tube body 23. The double heating wire 25 is arranged in the inner cotton 24. The lower end of the bracket tube body 23 is provided with a step position abutting against the lower end of the outer cover tube body 21. The side walls of the outer cover tube body 21 and the bracket tube body 23 are evenly provided with a plurality of oil inlet holes. Preferably, the outer cover tube body 21 and the bracket tube body 23 are made of food-grade stainless steel, and the outer cotton 22 and the inner cotton 24 are hollow straight tube-shaped integrated cotton. Through the design of the outer cotton 22 and the inner cotton 24, the oil-conducting performance of the atomizer core 2 is better, which is conducive to keeping the first heating wire 251 and the second heating wire 252 of the double heating wire 25 in the upper and lower positions to have sufficient smoke oil for atomization.
[0027] Furthermore, a second concave ring portion is provided at the upper end of the outer cover tube body 21, and a second sealing ring 26 is sleeved on the second concave ring portion. The upper end of the outer cover tube body 21 is inserted into the lower end of the nozzle channel.
[0028] Reference Figure 3 , Figure 4 Preferably, an upper step hole 3011 is provided on the outer periphery of the insertion hole 301 of the sealing silicone 3 corresponding to the top surface of the sealing silicone 3, the lowest position of the oil inlet hole is flush with the bottom of the upper step hole 3011, and a lower step hole 3012 is provided on the outer periphery of the insertion hole 301 corresponding to the bottom surface of the sealing silicone 3, the atomizer core 2 is inserted from the bottom of the insertion hole 301, the step position at the lower end of the bracket tube body 23 abuts against the lower step hole 3012, and the lower end side wall of the outer cover tube body 21 is sealed and connected to the inner wall of the insertion hole 301. An upper step hole 3011 is provided at the insertion hole 301 for inserting and fixing the atomizer core 2 in the sealing silicone 3, and the upper step hole 3011 forms a concave area, which is used to maintain the oil pressure balance of the first heating wire 251 at the top and the second heating wire 252 at the bottom of the double heating wire 25. When the smoke oil in the oil cup body 1 is lower than the first heating wire 251, it can also ensure that there is enough oil to be introduced into the position of the first heating wire 251 of the outer cotton 22 and the inner cotton 24, and it is not easy to cause the first heating wire 251 to dry burn or burn when the oil amount is lower than the first heating wire 251.
[0029] Furthermore, an oil-absorbing cotton block 7 is provided inside the bottom cover 5, and an air inlet hole and a magnet 8 are provided at the bottom of the bottom cover 5. When in use, the smoke oil or condensed liquid of the electronic cigarette will not seep out from the first power terminal 61, the second power terminal 62, and the third power terminal 63, and the generated smoke oil or condensed liquid is absorbed by the oil-absorbing cotton block 7 to keep the atomization channel dry.
[0030] Preferably, the side wall of the oil cup body 1 is provided with an oil filling port, and a pluggable oil filling plug 9 is provided at the oil filling port. By providing the oil filling port, after the smoke oil in the oil cup body 1 is used up, a second oil filling can be performed to avoid the waste of resources and high use cost caused by the smoke oil in the oil cup body 1 being used up once. Usually, the oil can be filled two to three times.
[0031] This embodiment also discloses an electronic cigarette, which includes the above-mentioned double heating wire and anti-leakage cartridge. Those skilled in the art should understand that the electronic cigarette is a cartridge-changing electronic cigarette consisting of a cartridge and a battery rod host. The battery rod host includes a housing, a battery, a control panel, a microphone sensor, a plug-in cavity silicone seat, and a spring pin electrical terminal, and the control panel is provided with control buttons, which are prior arts and are not described one by one.
[0032] The embodiments of the present disclosure have been described above, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The selection of terms used herein is intended to best explain the principles of the embodiments, practical applications, or improvements to the technology in the market, or to enable other persons of ordinary skill in the art to understand the embodiments disclosed herein.
Claims
1. A double heating wire and anti-leakage cigarette cartridge, characterized in that: The invention comprises an oil cup body (1), an atomizing core (2) arranged in the oil cup body (1), a sealing silicone rubber (3) arranged at the lower end of the atomizing core (2), and a bottom cover (5) arranged below the sealing silicone rubber (3). The upper end of the oil cup body (1) is a suction nozzle (101), and the suction nozzle (101) extends inwardly to form a suction nozzle channel. The upper end of the atomizing core (2) is connected to the lower end of the suction nozzle channel. A double heating wire (25) is arranged in the atomizing core (2). The sealing silicone rubber (3) is provided with a through hole (301) connected to the lower end of the atomizing core (2). An insulating silicone rubber (4) is arranged at the lower end of the through hole (301). A through hole is arranged at the center of the insulating silicone rubber (4). An electrical connection terminal is arranged on the bottom cover (5). The pin of the double heating wire (25) passes through the through hole and is connected to the electrical connection terminal. The bottom cover (5) is clamped with the oil cup body (1), and the bottom of the insulating silicone rubber (4) is interference-fitted with the bottom cover (5).
2. The double heating wire and oil leakage-proof cigarette cartridge according to claim 1, characterized in that: The double heating wire (25) comprises a first heating wire (251) and a second heating wire (252) which are rolled into a hollow cylindrical shape in a mesh shape, wherein the first heating wire (251) and the second heating wire (252) are provided with a common first pin (2501), a second pin (2511) which is separately connected to the first heating wire (251), and a third pin (2521) which is separately connected to the second heating wire (252); the corresponding power terminals comprise a first power terminal (61), a second power terminal (62), and a third power terminal (63), wherein the second pin (2511) and the third pin (2521) are respectively connected to the second power terminal (62) and the third power terminal (63) after being bent at the bottom of the insulating silicone (4), and the first pin (2501) is downwardly connected to the first power terminal (61).
3. The double heating wire and oil leakage-proof cigarette cartridge according to claim 2, characterized in that: The first power terminal (61) is distributed at the center of the bottom cover (5), and the second power terminal (62) and the third power terminal (63) are respectively distributed at two symmetrical sides of the first power terminal (61).
4. The double heating wire and oil leakage-proof cigarette cartridge according to claim 3, characterized in that: A first concave ring portion is provided around the lower end of the first power terminal (61), and a first sealing ring (64) is sleeved on the first concave ring portion. The first sealing ring (64) is used to seal the gap between the first power terminal (61) and the bottom cover (5).
5. The double heating wire and anti-leakage cigarette cartridge according to claim 1, characterized in that: The atomizing core (2) comprises an outer cover tube body (21), an outer cotton wrapping (22) sleeved in the outer cover tube body (21), a bracket tube body (23) sleeved in the outer cotton wrapping (22), and an inner cotton wrapping (24) sleeved in the bracket tube body (23); the double heating wire (25) is arranged in the inner cotton wrapping (24); the lower end of the bracket tube body (23) is provided with a step position abutting against the lower end of the outer cover tube body (21); and the side walls of the outer cover tube body (21) and the bracket tube body (23) are uniformly provided with a plurality of oil inlet holes.
6. The double heating wire and oil leakage-proof cigarette cartridge according to claim 5, characterized in that: The upper end of the outer cover tube body (21) is provided with a second concave ring portion, and the second concave ring portion is sleeved with a second sealing ring (26). The upper end of the outer cover tube body (21) is inserted into the lower end of the suction nozzle channel.
7. The double heating wire and oil leakage-proof cigarette cartridge according to claim 5, characterized in that: An upper step hole (3011) is provided on the periphery of the insertion hole (301) of the sealing silicone (3) corresponding to the top surface of the sealing silicone (3); the lowest position of the oil inlet hole is flush with the bottom of the upper step hole (3011); a lower step hole (3012) is provided on the periphery of the insertion hole (301) corresponding to the bottom surface of the sealing silicone (3); the atomizer core (2) is inserted from the bottom of the insertion hole (301); the step position at the lower end of the bracket tube body (23) abuts against the lower step hole (3012); and the lower end side wall of the outer cover tube body (21) is sealed and connected to the inner wall of the insertion hole (301).
8. The double heating wire and oil leakage-proof cigarette cartridge according to claim 1, characterized in that: An oil-absorbing cotton block (7) is arranged inside the bottom cover (5), and an air inlet hole and a magnet (8) are arranged at the bottom of the bottom cover (5).
9. The double heating wire and oil leakage-proof cigarette cartridge according to claim 1, characterized in that: The side wall of the oil cup body (1) is provided with an oil filling port, and a pluggable oil filling plug (9) is provided at the oil filling port.
10. An electronic cigarette, characterized in that The invention comprises the double heating wire and the anti-leakage oil cartridge as described in any one of claims 1 to 9.