Electronic cigarette cartridge capable of starting oil return synchronously during suction

Abstract

The electronic cigarette cartridge comprises a main shell, an atomizing core, a first silica gel piece, oil absorption cotton and a bottom cover, the upper end of the main shell is a suction nozzle part, the suction nozzle part extends downwards along the interior of the main shell to form a suction nozzle part inner wall, the lower end of the suction nozzle part inner wall is a connecting port, and the upper end of the atomizing core is connected with the connecting port. A first through hole and a second through hole are formed in the upper surface of the first silica gel piece, the lower end of the atomizing core is inserted into the first through hole in a close fit mode, the outer edge side wall of the first silica gel piece is in sealed connection with the inner wall of the main shell, and the upper portion of the first silica gel piece and the interior of the main shell form an oil storage bin. The lower portion of the first sealing silica gel piece and the interior of the main shell form an oil collecting bin for fixing oil absorption cotton, an oil guide cotton column is arranged between the oil absorption cotton and the second through hole, and the upper end and the lower end of the oil guide cotton column abut against the bottom of the second through hole and the oil absorption cotton respectively. When the electronic cigarette is smoked, tobacco tar adsorbed on the tar absorption cotton returns to the tar storage bin along with the tar guide cotton column, and the problem of tar seepage and leakage of the electronic cigarette cartridge is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to electronic cigarette technical field especially, relate to a kind of suction synchronous starting oil return's electronic cigarette cartridge. BACKGROUND

[0002] Electronic cigarette is favored by the majority of smokers due to small and convenient to carry, no open fire, and ready to use, in recent years, with the rapid development of electronic cigarette, electronic cigarette is very rich in variety. Among them, the most popular with consumers is the cartridge type electronic cigarette. The cartridge type electronic cigarette includes a power supply host and a cartridge, the power supply host is provided with a plug-in cavity for plugging the cartridge, the plug-in cavity is provided with an electrode spring needle connected to the power supply at the bottom, the cartridge is provided with an electrode terminal connected to the electrode spring needle in contact at the bottom, the cartridge is integrated with an oil storage tank, an atomizing core and a mouthpiece, the power supply host is provided with a control board and an airflow sensor, the external air of the cartridge is drawn into the power supply host to trigger the airflow sensor to make the control board output the electrode spring needle power to the atomizing core in the cartridge to work. The cartridge of the existing cartridge type electronic cigarette stores tobacco tar in the internal cavity of the cartridge, the atomizing core is arranged at the central position in the internal cavity, the upper end of the atomizing core is connected to the lower end of the cartridge mouthpiece, the lower end of the atomizing core is usually provided with a sealing silica gel member and a bottom cover, the sealing silica gel member is provided with a through hole connected to the lower end of the atomizing core, and the bottom cover is provided with an air inlet hole connected to the inside of the atomizing core. Since the atomizing core is usually provided with an outer cover, an atomizing core support, a cotton wrapping and a heating element, the outer cover is provided with an oil guide hole, the tobacco tar in the cartridge is guided into the cotton wrapping through the oil guide hole and soaked into the heating element, so that the tobacco tar is atomized into vapor aerosol particles after the heating element is heated after being connected to the power supply. Therefore, under the condition of high temperature environment or internal and external pressure difference, the tobacco tar in the cartridge will seep out from the oil guide hole of the atomizing core and leak out from the air inlet hole, resulting in the problem of oil leakage of the cartridge. Therefore, it is necessary to optimize and improve the structure of the existing electronic cigarette cartridge to solve the above technical problems. SUMMARY

[0003] The utility model discloses a kind of suction synchronous starting oil return's electronic cigarette cartridge, to solve the problem of oil leakage of the existing electronic cigarette cartridge due to environmental factors.

[0004] The utility model discloses a technical scheme of an electronic cigarette cartridge of suction synchronous starting oil return, which comprises a main shell, an atomizing core, a first silica gel part, oil absorbing cotton, a bottom cover, the upper end of the main shell is a suction nozzle part, the suction nozzle part has a suction nozzle part inner wall extending downward along the inside of the main shell, the lower end of the suction nozzle part inner wall is a connecting port, the inside of the main shell is a cavity, and the lower end is an open end; the upper end of the atomizing core is connected with the connecting port; the upper surface of the first silica gel part is provided with a first through hole and a second through hole, the lower end of the atomizing core is tightly fitted and inserted into the first through hole, the outer edge side wall of the first silica gel part is sealingly connected with the inner wall of the main shell, and the upper portion of the first silica gel part and the inside of the main shell form an oil storage warehouse; the lower portion of the first silica gel part and the inside of the main shell form an oil collecting warehouse for fixing the oil absorbing cotton, and an oil absorbing cotton column is arranged between the oil absorbing cotton and the second through hole, and the upper and lower ends of the oil absorbing cotton column abut against the bottom of the second through hole and the oil absorbing cotton respectively; the bottom cover is fixedly connected with the lower end of the main shell, and the bottom cover is provided with an air inlet hole.

[0005] Further, the oil collecting warehouse is provided with an inner support shell, the inner support shell is a hollow shell with an open lower end, the upper end face of the inner support shell is provided with a third through hole for abutting against the first through hole and a hollow column for abutting against the second through hole, the oil absorbing cotton column is inserted into the hollow column, and the oil absorbing cotton is arranged in the inner support shell.

[0006] Further, the inner support shell is provided with a second silica gel part which is hollow and has an open upper end, the oil absorbing cotton is embedded in the second silica gel part, and the oil absorbing cotton and the second silica gel part are provided with through hole positions corresponding to the air inlet hole position of the bottom cover.

[0007] Further, the air inlet hole of the bottom cover and the through hole position of the oil absorbing cotton are not straight below the first through hole.

[0008] Further, the outer wall of the inner support shell is clamped with the inner wall of the main shell, and the lower end of the bottom cover is clamped with the inner support shell.

[0009] Further, the atomizing core comprises a hollow tube body cover, an outer wrapping cotton arranged in the hollow tube body cover, an inner support arranged in the outer wrapping cotton, an inner wrapping cotton arranged in the inner support, and a heating wire arranged in the inner wrapping cotton, the lower end of the hollow tube body cover is tightly fitted with the inner support, and the lower end outer wall of the inner support is provided with a clamping groove part clamped with the third through hole.

[0010] Further, the bottom of the bottom cover is provided with an electrode terminal, the lower end of the atomizing core is sleeved with an insulating silica gel part, the bottom of the second silica gel part is provided with a via hole, the pin of the heating wire is led out from the insulating silica gel part and passes through the via hole to be connected with the electrode terminal.

[0011] Further, the bottom of the bottom cover is embedded with a magnet.

[0012] Further, the outer wall of the main housing is provided with an oil injection port, and the oil injection port is provided with an oil injection plug.

[0013] The electronic cigarette cartridge has the advantages that: the first silica gel member which forms the oil storage chamber in the main housing of the electronic cigarette cartridge is provided with the first through hole for mounting the atomizing core and the second through hole, the oil absorbing cotton is arranged below the first silica gel member, and the oil guiding cotton column is arranged between the oil absorbing cotton and the second through hole. BRIEF DESCRIPTION OF DRAWINGS

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

[0015] Figure 2 It is a schematic view of the overall structure of the utility model.

[0016] Figure 3 It is a schematic view of the overall structure of the utility model.

[0017] Figure 4 It is a schematic view of the overall structure of the utility model. Figure 3 It is a schematic view of the overall structure of the utility model. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present disclosure will be clearly and completely described with reference to the drawings, and it is obvious that the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments of the present disclosure, all other embodiments obtained by those skilled in the art without creative work also belong to the protection scope of the present disclosure.

[0019] Please refer to Figures 1 to 4The embodiment provides an electronic cigarette cartridge capable of realizing suction synchronous starting and oil return, and the electronic cigarette cartridge comprises a main shell 1, an atomizing core 2, a first silica gel piece 3, oil absorbing cotton 4 and a bottom cover 6. The upper end of the main shell 1 is a suction nozzle part, the suction nozzle part is provided with a suction nozzle part inner wall which extends downwards along the inside of the main shell, the lower end of the suction nozzle part inner wall is a connecting port, the inside of the main shell 1 is a cavity, and the lower end of the main shell 1 is an open end. The upper end of the atomizing core 2 is connected to the connecting port. The first silica gel piece 3 is provided with a first through hole 301 and a second through hole 302 on the upper surface, the lower end of the atomizing core 2 is tightly fitted into the first through hole 301, the outer edge side wall of the first silica gel piece 3 is sealingly connected to the inner wall of the main shell 1, and the upper part of the first silica gel piece 3 and the inside of the main shell 1 form an oil storage bin. The lower part of the first silica gel piece 3 and the inside of the main shell 1 form an oil collecting bin for fixing the oil absorbing cotton 4. An oil guiding cotton column 5 is arranged between the oil absorbing cotton 4 and the second through hole 302, and the upper and lower ends of the oil guiding cotton column 5 abut against the bottom of the second through hole 302 and the oil absorbing cotton 4 respectively. The bottom cover 6 is fixedly connected to the lower end of the main shell 1, and the bottom cover 6 is provided with an air inlet hole 601.

[0020] With reference to Figure 1 、 Figure 4 The tobacco tar in the oil storage bin of the electronic cigarette cartridge is guided to the inside of the atomizing core 2 for heating and atomization, and the tobacco tar in the oil storage bin can seep out from the atomizing core 2 due to the influence of external temperature difference and air pressure difference. In the embodiment, the first silica gel piece 3 which is arranged at the bottom of the oil storage bin formed by the main shell 1 is provided with the second through hole 302 in addition to the first through hole 301 for mounting the atomizing core 2, the oil absorbing cotton 4 is arranged below the first silica gel piece 3, and the oil guiding cotton column 5 is arranged between the oil absorbing cotton 4 and the second through hole 302. The tobacco tar in the oil storage bin of the electronic cigarette cartridge seeps out along the atomization channel in the inside of the atomizing core 2 and flows downwards to the oil absorbing cotton 4 for adsorption. When the electronic cigarette is used, a negative pressure is formed in the oil storage bin, so that the oil guiding cotton column 5 returns the tobacco tar of the oil absorbing cotton 4 to the oil storage bin. Preferably, the oil guiding cotton column 5 is provided with a micro hole penetrating through the upper and lower parts, which is beneficial to the tobacco tar adsorbed by the oil guiding cotton column 5 being transported back to the oil storage bin through the micro hole.

[0021] As a preferred embodiment, the oil collecting bin is provided with an inner support shell 7 which is a hollow shell with an open lower end. The upper end surface of the inner support shell 7 is provided with a third through hole which is connected to the first through hole 301 and a hollow column which is connected to the second through hole 302. The oil guiding cotton column 5 is inserted into the hollow column, and the oil absorbing cotton 4 is arranged in the inner support shell 7. The inner support shell 7 is used to support the first silica gel piece 3, and the inner support shell 7 is integrally injection molded by using plastic material.

[0022] As a preferred solution, the inner support shell 7 is internally provided with a hollow and open-end second silica gel piece 8, the oil absorbing cotton 4 is embedded in the second silica gel piece 8, and the oil absorbing cotton 4 and the second silica gel piece 8 are provided with through hole positions corresponding to the air inlet hole 601 of the bottom cover 6. By providing the second silica gel piece 8 in the inner support shell 7, the oil absorbing cotton 4 is embedded in the second silica gel piece 8, and the adsorbed tobacco tar of the oil absorbing cotton 4 is better retained in the second silica gel piece 8.

[0023] Further, the air inlet hole 601 of the bottom cover 6 and the through hole position of the oil absorbing cotton 4 are not directly below the first through hole 301, and a non-direct structure is adopted, so that when the tobacco tar seeps out from the lower end of the atomizing core 2 and flows downward, it is absorbed by the oil absorbing cotton 4, rather than directly dripping into the air inlet hole 601 of the bottom cover 6 and flowing out.

[0024] Further, the outer wall of the inner support shell 7 is clamped to the inner wall of the main shell 1, and the bottom cover 6 is clamped to the lower end of the inner support shell 7. The clamping assembly structure is very convenient and fast, which is beneficial to improve the assembly efficiency of product components.

[0025] As a preferred solution, the atomizing core 2 includes a hollow tube body cover 21, an outer wrapping cotton 22 sleeved in the hollow tube body cover 21, an inner support 25 sleeved in the outer wrapping cotton 22, an inner wrapping cotton 23 sleeved in the inner support 25, and a heating wire 24 sleeved in the inner wrapping cotton 23. The lower end of the hollow tube body cover 21 is tightly fitted and connected to the inner support 25, and the lower end of the inner support 25 is provided with a clamping groove part and a third through hole for clamping. The outer wrapping cotton 22 and the inner wrapping cotton 23 realize sufficient oil absorption of the atomizing core 2.

[0026] As a preferred solution, the bottom cover 6 is provided with an electrode terminal 10, the lower end of the atomizing core 2 is sleeved with an insulating silica gel piece 9, the bottom of the second silica gel piece 8 is provided with a via hole, the pin of the heating wire 24 is led out from the insulating silica gel piece 9 and passes through the via hole to be connected to the electrode terminal 10, which is beneficial to prevent the pin of the heating wire 24 from directly guiding oil to the electrode terminal 10.

[0027] Further, the bottom cover 6 is embedded with a magnet 11.

[0028] Further, the outer wall of the main shell 1 is provided with an oil injection port 12, and the oil injection port 12 is provided with an oil injection plug 13. By providing the oil injection port 12 and the oil injection plug 13, the corresponding flavor of tobacco tar can be added according to the taste demand, and the oil can be added again after the tobacco tar in the electronic cigarette cartridge is consumed, which is more economical and practical.

[0029] Having described above several embodiments of the disclosure, any modifications and variations that fall within the scope of the described embodiments are also intended to be within the scope of the disclosure. As will be apparent to those skilled in the art, some modifications and variations to the embodiments described above can be practiced while staying within the scope and spirit of the described embodiments. The foregoing description of the described embodiments has been presented for the purposes of illustration and description. It is not intended to be exhaustive or to limit the described embodiments to the precise form disclosed. Many modifications and variations are possible in light of the above teachings. It is intended that the disclosed embodiments be limited only by the claims.

Claims

1. An electronic cigarette cartridge for suction synchronous priming return oil, characterized in that, The utility model relates to a kind of atomizer, including: Main shell (1), the upper end of the main shell (1) is mouthpiece, and the mouthpiece extends downward along the inner wall of main shell, and the lower end of the inner wall of the mouthpiece is connected with port, and the inner wall of main shell (1) is empty cavity, and the lower end is open end; Atomization core (2), the upper end of the atomization core (2) is connected with the port; First silica gel piece (3), the upper surface of the first silica gel piece (3) is provided with first through hole (301), second through hole (302), and the lower end of the atomization core (2) is tightly fitted into the first through hole (301), and the outer edge side wall of the first silica gel piece (3) is sealingly connected with the inner wall of the main shell (1), and the upper portion of the first silica gel piece (3) is connected with the inner portion of the main shell (1) to form oil storage warehouse; Oil absorbing cotton (4), the lower portion of the first silica gel piece (3) is connected with the inner portion of the main shell (1) to form oil collection warehouse for fixing the oil absorbing cotton (4), and the oil absorbing cotton (4) is provided with a guide oil absorbing cotton column (5) between the second through hole (302), and the upper and lower ends of the guide oil absorbing cotton column (5) are respectively abutted to the bottom of the second through hole (302) and the oil absorbing cotton (4); Bottom cover (6), the lower end of the bottom cover (6) is fixedly connected with the main shell (1), and the bottom cover (6) is provided with air inlet hole (601).

2. The puff synchronous priming return-pipe electronic cigarette cartridge of claim 1, wherein, The oil collection warehouse is provided with an inner support shell (7), the inner support shell (7) is a hollow and open-end shell, the upper end of the inner support shell (7) is provided with third through hole for abutting to the first through hole (301) and hollow column for abutting to the second through hole (302), the guide oil absorbing cotton column (5) is inserted into the hollow column, and the oil absorbing cotton (4) is arranged in the inner support shell (7).

3. The puff synchronous priming return-pipe electronic cigarette cartridge of claim 2, wherein, The inner portion of the inner support shell (7) is provided with a second silica gel piece (8) which is hollow and open-end at the upper end, the oil absorbing cotton (4) is embedded in the second silica gel piece (8), and the oil absorbing cotton (4) and the second silica gel piece (8) are provided with through hole positions corresponding to the air inlet hole (601) of the bottom cover (6).

4. The puff synchronous priming return-pipe electronic cigarette cartridge of claim 3, wherein, The air inlet hole (601) of the bottom cover (6) and the through hole position of the oil absorbing cotton (4) are not straight to the lower portion of the first through hole (301).

5. The puff-synchronous priming return-pumping electronic cigarette cartridge of claim 2, wherein, The outer wall of the inner support shell (7) is clamped with the inner wall of the main shell (1), and the lower end of the bottom cover (6) is clamped with the inner support shell (7).

6. The puff synchronous priming return-pipe electronic cigarette cartridge of claim 3, wherein, The atomization core (2) includes hollow tube body cover (21), outer wrapping cotton (22) arranged in the hollow tube body cover (21), inner support (25) arranged in the outer wrapping cotton (22), inner wrapping cotton (23) arranged in the inner support (25), and heating wire (24) arranged in the inner wrapping cotton (23), the lower end of the hollow tube body cover (21) is tightly fitted with the inner support (25), and the lower end of the outer wall of the inner support (25) is provided with a clamping groove portion for clamping with the third through hole.

7. The puff synchronous priming return-pipe electronic cigarette cartridge of claim 6, wherein, The bottom of the bottom cover (6) is provided with electrode terminal (10), the lower end of the atomization core (2) is provided with an insulating silica gel piece (9), the bottom of the second silica gel piece (8) is provided with via hole, the pin of the heating wire (24) is led out from the insulating silica gel piece (9) and is connected with the electrode terminal (10) through the via hole.

8. The puff-synchronous priming return-pumping electronic cigarette cartridge of claim 1, wherein, The bottom of the bottom cover (6) is embedded with magnet (11).

9. The puff-synchronous priming return-pumped electronic cigarette cartridge of claim 1, wherein, The outer wall of the main housing (1) is provided with an oil filling port (12), and the oil filling port (12) is provided with an oil filling plug (13).

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