Three-electrode layered smoke cartridge with inverted oil cup and capable of being filled with oil

Abstract

The utility model discloses a three-electrode layered smoke cartridge with an inverted oil cup and capable of being filled with oil, which comprises a smoke cartridge shell, a mounting cavity is arranged in the smoke cartridge shell, and a suction nozzle part is arranged on the smoke cartridge shell; an atomizing core assembly; the oil cup layering support is arranged in the mounting cavity, the oil cup layering support comprises an upper seat body, a lower seat body and a middle pipe body, the middle pipe body is communicated with the upper seat body and the lower seat body, an atomizing core assembly is mounted in the upper seat body, and the upper end of the atomizing core assembly is connected with the suction nozzle part; the outer wall of the upper seat body is in sealed connection with the inner wall of the mounting cavity, the outer wall of the lower seat body is in sealed connection with the inner wall of the mounting cavity, the upper portion of the upper seat body and the mounting cavity form an upper oil cup, the periphery of the middle pipe body and the mounting cavity form a lower oil cup, and the upper seat body is provided with an oil conveying pipeline communicating the lower oil cup to the upper oil cup; and an oil filling port and a sealing plug are arranged on the cartridge shell corresponding to the lower oil cup. Tobacco tar is isolated through the upper tar cup and the lower tar cup in a layered mode, so that the quality of the tobacco tar is not prone to being affected by heating temperature.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic cigarettes, in particular to a cartridge with a three-electrode layered oil cup and inverted oil injection. Background Art

[0002] An electronic cigarette is an electronic atomization product that instantaneously heats e-liquid into steam aerosol particles through an electric heating element to form aerosol particle smoke for users to inhale. Existing electronic cigarettes generally include an electronic cigarette housing, an installation cavity is formed inside the electronic cigarette housing, an oil cup is arranged in the installation cavity, an atomization core electric heating element is arranged in the oil cup, an oil guiding hole is arranged on the outer wall of the atomization core electric heating element, and an oil storage cavity of the oil cup is formed between its outer wall and the inner space of the oil cup. The e-liquid of the electronic cigarette is stored in the oil storage cavity. Therefore, the e-liquid of the electronic cigarette surrounds the atomization core electric heating element. When the atomization core electric heating element works, it generates heat, and the heat will be transferred to the e-liquid of the electronic cigarette. The e-liquid of the electronic cigarette is affected by temperature and is prone to deterioration, thus affecting the taste of the electronic cigarette. Therefore, it is necessary to improve the existing electronic cigarette to solve the above problems. Summary of the Utility Model

[0003] In view of this, the solution of this application proposes a cartridge with a three-electrode layered oil cup and inverted oil injection. When injecting oil, the e-liquid is injected into the lower oil cup, and then transported to the upper oil cup through the lower oil cup. An atomization core assembly is arranged in the upper oil cup. A small part of the oil enters the upper oil cup as the e-liquid to be atomized, while most of the e-liquid is stored in the lower oil cup as an isolation reserve, so as to keep the quality of the e-liquid from being easily affected by the heating temperature.

[0004] The technical solution disclosed by the utility model, a cartridge with a three-electrode layered oil cup that can be inverted for oil injection, includes a cartridge housing, an atomization core assembly, and an oil cup layered bracket. An installation cavity is inside the cartridge housing, and a mouthpiece part is arranged on the cartridge housing. The oil cup layered bracket is arranged in the installation cavity. The oil cup layered bracket includes an upper seat body, a lower seat body, and an intermediate pipe body. The intermediate pipe body communicates the upper seat body and the lower seat body. The atomization core assembly is installed in the upper seat body, and the upper end of the atomization core assembly is connected to the mouthpiece part. The outer wall of the upper seat body is hermetically connected to the inner wall of the installation cavity, the outer wall of the lower seat body is hermetically connected to the inner wall of the installation cavity. An upper oil cup is formed by the upper seat body and the installation cavity above it, a lower oil cup is formed by the periphery of the intermediate pipe body and the installation cavity. The upper seat body is provided with an oil delivery pipeline for conducting the lower oil cup to the upper oil cup. The upper end of the oil delivery pipeline extends to a position close to the top of the upper oil cup. An oil injection port and a sealing plug are arranged at the position of the cartridge housing corresponding to the lower oil cup.

[0005] Furthermore, the upper seat body includes a bottom wall connected to the upper end of the intermediate tube body and a side wall extending upward from the bottom wall, the bottom wall and the side wall form a first cavity, there is a gap between the side wall and the inner wall of the cigarette cartridge shell, the oil pipeline extends upward along the side wall, a first silicone piece is sleeved on the first cavity, the first silicone piece is provided with a hole passing through the oil pipeline, and is provided with a groove sleeved on the side wall, the first silicone piece is provided with a hole connected to the intermediate tube body, and the hole is used to plug the lower end of the atomization core assembly.

[0006] Furthermore, the hole is a stepped hole that is wide at the top and narrow at the bottom, the lower end of the atomizer core assembly is inserted into the narrow hole of the stepped hole, and the wide hole of the stepped hole and the outer wall of the atomizer core assembly form an oil chamber to be atomized.

[0007] Further, the atomizer core assembly includes an atomizer cover, an outer cotton bag, an atomizer core bracket, an inner cotton bag, and a double heating wire element. The atomizer cover is a circular tube body that is narrow at the top and wide at the bottom. A first oil guide hole is provided on the wider tube body side wall at the lower part of the atomizer cover. The atomizer core bracket includes a hollow circular base and a plug-in tube portion. The plug-in tube portion is provided with a U-shaped notch and a second oil guide hole. The outer wall of the plug-in tube portion is sleeved with the outer cotton bag. The double heating wire element is sleeved in the plug-in tube portion after the inner cotton bag is sleeved on the outer surface. The double heating wire element is provided with three electrode pins that are led downward from the hollow circular base. The hollow circular base is tightly fitted and plugged into the narrow hole of the step hole.

[0008] Furthermore, a second cavity is provided between the bottom of the first cavity and the intermediate tube body, a silicone sleeve is embedded in the second cavity, and a transfer plate for welding with the three electrode pins is provided in the silicone sleeve.

[0009] Furthermore, a third cavity is formed in the lower seat body, a sealing silicone ring is provided on the outer wall of the third cavity, a first adsorption cotton is provided in the third cavity, the first adsorption cotton is an integrated cotton, and the integrated cotton is provided with a through hole that penetrates and connects to the middle tube body.

[0010] Furthermore, the bottom of the first adsorbent cotton is connected to a second silicone member, and the second silicone member is tightly mounted in the lower end of the cartridge shell, and a fourth cavity is formed inside the second silicone member. The side wall of the second silicone member and the side wall of the cartridge shell are provided with interconnected mounting holes, and the electrode terminals are installed in the mounting holes. The lower end of the cartridge shell is provided with a bottom cover, and the bottom cover is provided with an air inlet hole.

[0011] Furthermore, the bottom cover is provided with an air regulating valve for opening and closing the air inlet hole.

[0012] Furthermore, a second oil-absorbing cotton is arranged in the fourth cavity on the upper surface of the bottom cover.

[0013] The beneficial effects of the present utility model are as follows: Through the design of the cartridge structure of the electronic cigarette in this technical solution, the oil cup for storing oil in the cartridge is divided into an upper oil cup and a lower oil cup. When refueling, first place the cartridge upside down and flat, inject oil into the lower oil cup, then tilt the cartridge after covering the sealing plug, and the e-liquid in the lower oil cup is transported to the upper oil cup through the oil delivery pipeline. And an atomization core assembly communicating with the mouthpiece of the cartridge is arranged in the upper oil cup. A small part of the oil enters the upper oil cup as the e-liquid to be atomized, while most of the e-liquid is stored in the lower oil cup as isolation reserve, so as to keep the quality of the e-liquid not easily affected by the heating temperature and is beneficial to maintaining the consistency of the atomization taste of the electronic cigarette. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic exploded view of the overall structure of the present utility model.

[0015] Figure 2 It is a schematic structural view of the atomization core assembly of the present utility model.

[0016] Figure 3 It is a cross-sectional view of the overall structure of the present utility model.

[0017] Figure 4 It is a three-dimensional view of the overall structure of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] 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 some of the embodiments of the present disclosure, rather than all of them. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present disclosure without creative efforts also belong to the scope of protection of the present disclosure.

[0019] Please refer to Figures 1 to 4 , a three-electrode layered oil cup inverted refuelable electronic cigarette provided by this technical solution, which includes a cartridge housing 1, an atomization core assembly 2, and an oil cup layered bracket 3. An installation cavity is provided inside the cartridge housing 1, and a mouthpiece 101 is provided on the cartridge housing 1; the oil cup layered bracket 3 is arranged in the installation cavity. The oil cup layered bracket 3 includes an upper seat body 301, a lower seat body 303, and an intermediate pipe body 302. The intermediate pipe body 302 communicates the upper seat body 301 and the lower seat body 303. The atomization core assembly 2 is installed in the upper seat body 301, and the upper end of the atomization core assembly 2 is connected to the mouthpiece.

[0020] Among them, the outer wall of the upper seat body 301 is hermetically connected to the inner wall of the installation cavity, the outer wall of the lower seat body 303 is hermetically connected to the inner wall of the installation cavity, the upper part of the upper seat body 301 and the installation cavity form an upper oil cup 100, the periphery of the middle pipe body 302 and the installation cavity form a lower oil cup 200, the upper seat body 301 is provided with an oil delivery pipeline 304 that conducts the lower oil cup 200 to the upper oil cup 100, the upper end of the oil delivery pipeline 304 extends to a position close to the top of the upper oil cup 100, and an oil injection port 102 and a sealing plug 4 are provided at the position of the cartridge shell 1 corresponding to the lower oil cup 200.

[0021] Please refer to Figure 1 and Figure 3 , further, the upper seat body 301 includes a bottom wall connected to the upper end of the middle pipe body 302 and a side wall extending vertically upward from the bottom wall. The bottom wall and the side wall form a first cavity. There is a gap between the side wall and the inner wall of the cartridge shell 1. The oil delivery pipeline 304 extends upward along the inside of the side wall. A first silica gel part 5 is sleeved on the first cavity. The first silica gel part 5 is provided with a hole position passing through the oil delivery pipeline 304 and a groove position sleeving the side wall. A hole position communicating with the middle pipe body 302 is provided inside the first silica gel part 5, and the hole position is used for inserting the lower end of the atomization core assembly 2.

[0022] Preferably, the hole position is a stepped hole position that is wider at the top and narrower at the bottom. The lower end of the atomization core assembly 2 is inserted into the narrow hole of the stepped hole position. A cavity 300 for the oil to be atomized is formed between the wide hole of the stepped hole position and the outer wall of the atomization core assembly 2. During use, a small part of the oil enters the upper oil cup 100 as the e-liquid to be atomized, while most of the e-liquid is stored as isolation reserve in the lower oil cup 200, so as to keep the quality of the e-liquid from being affected by the heating temperature and is conducive to maintaining the consistency of the e-cigarette atomization taste.

[0023] Refer to Figure 2 , further, the atomization core assembly 2 includes an atomization cover 21, an outer cotton wrap 22, an atomization core support 23, an inner cotton wrap 24, and a double heating wire element 25. The atomization cover 21 is a circular tube body that is narrower at the top and wider at the bottom. A first oil guiding hole 211 is provided on the side wall of the wider tube body at the lower part of the atomization cover 21. The atomization core support 23 includes a hollow circular base 231 and an insertion tube part 232. The insertion tube part 232 is provided with a U-shaped notch 233 and a second oil guiding hole 234. The outer cotton wrap 22 is sleeved on the outer wall of the insertion tube part 232. The double heating wire element 25 is integrally sleeved inside the insertion tube part 232 after being sleeved with the inner cotton wrap 24. The double heating wire element 25 is provided with three electrode pins extending downward from the hollow circular base 231. The hollow circular base 231 is tightly inserted into the narrow hole of the stepped hole position. Through the atomization core with a double cotton wrap structure, better oil guiding and oil leakage prevention can be achieved.

[0024] A second cavity is further provided between the bottom of the first cavity and the intermediate tube body 302 , a silicone sleeve ring 6 is embedded in the second cavity, and a transfer plate 7 for welding with the three electrode pins is provided in the silicone sleeve ring 6 .

[0025] A third cavity is further formed in the lower seat body 303 , and a sealing silicone ring 8 is provided on the outer wall of the third cavity. A first adsorption cotton 9 is provided in the third cavity. The first adsorption cotton 9 is made of one-piece cotton, and the one-piece cotton is provided with a through hole penetrating and connecting with the middle tube body 302 .

[0026] Furthermore, the bottom of the first adsorbent cotton 9 is connected to a second silicone member 10, and the second silicone member 10 is tightly mounted in the lower end of the cartridge housing 1, and a fourth cavity is formed inside the second silicone member 10. The lower end of the cartridge housing 1 is provided with a bottom cover 11, and the side walls of the second silicone member 10 and the bottom cover 11 are provided with interconnected mounting holes, and the electrode terminals 12 are installed in the mounting holes, and the bottom cover 11 is provided with an air inlet.

[0027] Furthermore, the bottom cover 11 is provided with an air regulating valve 13 for opening and closing the air inlet hole.

[0028] Furthermore, a second oil-absorbing cotton 14 is disposed in a fourth cavity on the upper surface of the bottom cover 11 .

[0029] 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 three - electrode layered oil cup inverted and refuelable cartridge, characterized in that, Comprising: A cartridge shell (1), within which is an installation cavity, and a mouthpiece portion (101) is provided on the upper part of the cartridge shell (1); An atomization core assembly (2); An oil cup layer support (3), which is disposed within the installation cavity. The oil cup layer support (3) includes an upper seat body (301), a lower seat body (303), and an intermediate pipe body (302). The intermediate pipe body (302) communicates the upper seat body (301) and the lower seat body (303). The atomization core assembly (2) is installed within the upper seat body (301), and the upper end of the atomization core assembly (2) is connected to the mouthpiece portion; Wherein, the outer wall of the upper seat body (301) is sealingly connected to the inner wall of the installation cavity, the outer wall of the lower seat body (303) is sealingly connected to the inner wall of the installation cavity. Above the upper seat body (301) and the installation cavity form an upper oil cup (100), and around the intermediate pipe body (302) and the installation cavity form a lower oil cup (200). The upper seat body (301) is provided with an oil delivery pipeline (304) that conducts the lower oil cup (200) to the upper oil cup (100). The upper end of the oil delivery pipeline (304) extends to a position close to the top of the upper oil cup (100). At the position of the cartridge shell (1) corresponding to the lower oil cup (200), there are an oil injection port (102) and a sealing plug (4).

2. The three - electrode layered oil cup inverted and refuelable cartridge according to claim 1, characterized in that, The upper seat body (301) includes a bottom wall connected to the upper end of the intermediate pipe body (302) and a side wall extending vertically upward from the bottom wall. The bottom wall and the side wall form a first cavity. There is a gap between the side wall and the inner wall of the cartridge shell (1). The oil delivery pipeline (304) extends upward along the inside of the side wall. A first silicone member (5) is sleeved on the first cavity. The first silicone member (5) is provided with a hole position passing through the oil delivery pipeline (304), and a groove position sleeving the side wall. The first silicone member (5) is provided with a hole position communicating with the intermediate pipe body (302), and the hole position is used for plugging the lower end of the atomization core assembly (2).

3. The three-electrode layered oil cup of the refillable cartridge capable of being inverted according to claim 2, wherein, The hole position is a stepped hole position that is wider at the top and narrower at the bottom. The lower end of the atomization core assembly (2) is plugged into the narrow hole of the stepped hole position, and the wide hole of the stepped hole position and the outer wall of the atomization core assembly (2) form an oil cavity to be atomized (300).

4. The three-electrode layered oil cup inverted and refuelable cartridge according to claim 3, wherein The atomization core assembly (2) includes an atomization cover (21), an outer cotton wrap (22), an atomization core support (23), an inner cotton wrap (24), and a double heating wire element (25). The atomization cover (21) is a circular tube with a narrower upper part and a wider lower part. A first oil guiding hole (211) is provided on the side wall of the wider tube part at the lower part of the atomization cover (21). The atomization core support (23) includes a hollow circular base (231) and an insertion tube part (232). The insertion tube part (232) is provided with a U-shaped notch (233) and a second oil guiding hole (234). The outer cotton wrap (22) is sleeved on the outer wall of the insertion tube part (232). After the double heating wire element (25) is sleeved with the inner cotton wrap (24), the whole is sleeved in the insertion tube part (232). The double heating wire element (25) is provided with three electrode pins extending downward from the hollow circular base (231). The hollow circular base (231) is tightly and pluggably connected in the narrow hole of the stepped hole position.

5. The three - electrode layered oil cup inverted and refuelable cartridge according to claim 4, characterized in that, A second cavity is provided between the bottom of the first cavity and the intermediate tube body (302). A silica gel sleeve ring (6) is embedded in the second cavity. A transfer board (7) for welding with the three electrode pins is arranged in the silica gel sleeve ring (6).

6. The three-electrode layered oil cup of the refillable cartridge with an inverted oil injection according to claim 1, characterized in that A third cavity is formed in the lower base body (303). A sealing silica gel ring (8) is sleeved on the outer wall of the third cavity. A first adsorption cotton (9) is arranged in the third cavity. The first adsorption cotton (9) is made of integral cotton, and the integral cotton is provided with a through hole communicating with the intermediate tube body (302).

7. The three - electrode layered oil cup inverted and refuelable cartridge according to claim 6, wherein, The bottom of the first adsorption cotton (9) is butted against a second silica gel part (10). The second silica gel part (10) is tightly sleeved inside the lower end of the cartridge housing (1). A fourth cavity is formed inside the second silica gel part (10). A bottom cover (11) is provided at the lower end of the cartridge housing (1). Installation hole positions communicating with each other are provided on the side walls of the second silica gel part (10) and the bottom cover (11). An electrode terminal (12) is installed in the installation hole positions. An air inlet hole is provided on the bottom cover (11).

8. The three - electrode layered oil cup inverted and refuelable cartridge according to claim 7, wherein, A gas regulating valve (13) for toggling to open and close the air inlet hole is provided on the bottom cover (11).

9. The three-electrode layered oil cup inverted and refuelable cartridge according to claim 7, characterized in that, A second oil absorption cotton (14) is arranged in the fourth cavity on the upper surface of the bottom cover (11).

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