Electronic cigarette cartridge capable of preventing tar accumulation and high-temperature tar leakage
By designing a pressure-relief atomizing core structure in the e-cigarette cartridge, and using multiple through holes and hollow cotton columns to maintain air pressure balance, the problems of oil leakage and insufficient oil supply caused by the pressure difference inside and outside the oil storage chamber are solved. This achieves the effects of preventing oil accumulation and high-temperature oil leakage, and improves the service life of the e-cigarette.
Patent Information
- Application Number
- CN202422793007.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-15
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2034-11-15
AI Technical Summary
Existing electronic cigarettes suffer from leakage and insufficient oil supply due to pressure differences between the inside and outside of the oil reservoir, which is particularly pronounced in high and low temperature environments.
An electronic cigarette cartridge designed to prevent oil accumulation and high-temperature leakage adopts a pressure-relief atomizing core structure. By setting multiple first and second through holes on the straight tube, the air pressure inside and outside the cartridge is maintained, and a stable supply of e-liquid is achieved by using the first and second hollow cotton columns.
It effectively prevents e-liquid buildup and high-temperature leakage, thus improving the lifespan and reliability of e-cigarettes.
Smart Images
Figure CN223515749U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electronic cigarette technical field especially relates to a kind of electronic cigarette cartridge of preventing oil accumulation and preventing high-temperature oil leakage. BACKGROUND
[0002] Electronic cigarette is through heating element to heat, the oil in the oil guide cotton wrapped in heating element is heated to form vapor aerosol. The oil guide cotton and heating element are usually composed of atomizing core element through hollow support pipe and outer cover pipe body, the atomizing core element is integrally arranged in the oil tank of electronic cigarette, the outer cover pipe body side wall is provided with oil guide hole, the oil in the oil tank enters the oil guide cotton through the oil guide hole. The oil storage cavity formed by the outer cover pipe body and the oil tank is a relatively closed space, during the oil injection process of electronic cigarette, the oil consumption process of smoking and under high and low temperature environment, there is pressure difference between the inside and outside of the oil storage cavity, the air pressure in the oil storage cavity has no gas passage to relieve pressure and maintain air pressure balance, high pressure can cause oil leakage, low pressure can not make the oil quickly enter the oil guide cotton, resulting in insufficient oil supply, and the atomizing core can be burned out when smoking again. Therefore, it is necessary to optimize and improve the existing electronic cigarette cartridge to solve the above problems. SUMMARY
[0003] Therefore, the utility model provides a kind of electronic cigarette cartridge of preventing oil accumulation and preventing high-temperature oil leakage, is equipped with pressure relief type atomizing core structure to solve the above technical problems.
[0004] The technical scheme disclosed by the utility model relates to a kind of electronic cigarette cartridge of preventing oil accumulation and preventing high-temperature oil leakage, including cartridge shell, atomizing core and oil seal bottom cover, the inside of cartridge shell is hollow cavity, and the lower end is open;The upper end of cartridge shell is equipped with suction nozzle, and the inner wall of suction nozzle is extended downward with suction nozzle inner tube part, and the lower end of suction nozzle inner tube part is connected with a food-grade high-temperature-resistant straight pipe;The side wall of straight pipe is equipped with a plurality of first through holes, which is deviated from the upper end, and a plurality of second through holes, which is deviated from the lower end;The first hollow cotton column is sleeved in the straight pipe, the atomizing core is placed in the first hollow cotton column from the bottom, and the position of the plurality of first through holes is higher than the upper end of the atomizing core;The lower end of the atomizing core is connected to the oil seal bottom cover, and the oil seal bottom cover is arranged at the lower end opening of the cartridge shell, and the oil seal bottom cover is provided with air inlet hole.
[0005] Further, the straight pipe is made of food-grade stainless steel, and the upper end of the straight pipe and the lower end of the suction nozzle inner tube part are tightly fitted and connected with a sealing silica gel ring body, the upper port of the sealing silica gel ring body is provided with an outwardly turned outer edge, and the outer edge and the outer wall of the sealing silica gel ring body form a sealing sleeve to set the annular groove of the straight pipe.
[0006] Further, the outer wall of the sealing silica gel ring body is provided with a first annular protrusion part integrally formed, and the inner wall of the sealing silica gel ring body is provided with a second annular protrusion part integrally formed, and the lower end of the inner tube part of the suction nozzle is inserted into the sealing silica gel ring body.
[0007] Further, the atomizing core comprises a hollow tube support and a heating wire element, the heating wire element is provided with a second hollow cotton column, the second hollow cotton column is integrally sleeved in the hollow tube support after assembling the heating wire element, and the side wall of the hollow tube support is provided with an oil guide hole.
[0008] Further, the lower end opening of the cartridge shell is embedded with a first sealing silica gel seat, an inner support frame sleeved at the bottom of the first sealing silica gel seat, and a second sealing silica gel seat sleeved at the lower end of the inner support frame, the first sealing silica gel seat and the inner support frame are provided with an insertion hole position for inserting the lower end of the hollow tube support, the outer wall of the first sealing silica gel seat is sealingly connected with the inner wall of the cartridge shell, and the side wall of the insertion hole position of the first sealing silica gel seat is sealingly connected with the outer wall of the hollow tube support; the second sealing silica gel seat is provided with a corresponding butt joint through hole corresponding to the insertion hole position, the hole diameter of the butt joint through hole is smaller than the hole diameter of the insertion hole position, and the upper end of the butt joint through hole is used for abutting against the lower end surface of the atomizing core.
[0009] Further, the two sides of the insertion hole position of the first sealing silica gel seat and the inner support frame, and the two sides of the butt joint through hole of the second sealing silica gel seat are each provided with a through hole in communication, and a cylindrical silica gel plug is tightly inserted into the through hole.
[0010] Further, the oil seal bottom cover comprises a cover plate and a bottom cover side wall integrally injection molded with the cover plate, the bottom cover side wall forms an inner cavity position, an oil absorption cotton block is embedded at the bottom of the inner cavity position, the middle position of the cover plate is provided with the air inlet hole, and the two side positions of the cover plate are provided with conductive contacts.
[0011] The beneficial effects of this utility model are as follows: The main innovative design of the electronic cigarette cartridge designed by this technical solution lies in the straight tube in which the atomizing core is assembled inside the cartridge shell. Multiple first through holes are designed on the outer wall of the straight tube, with multiple second through holes on the upper part and the lower part respectively. A first hollow cotton column is sleeved inside the straight tube, and the atomizing core is inserted into the lower end of the first hollow cotton column. The atomizing core is sleeved inside the first hollow cotton column, and the multiple first through holes on the straight tube are positioned above the corresponding atomizing core. The multiple first through holes are for venting when there is an imbalance in the internal and external air pressure of the electronic cigarette cartridge, while the multiple second through holes are for pouring e-liquid into the atomizing core. The multiple first through holes on the straight tube maintain the internal and external pressure balance. When the evaporation of e-liquid in the oil tank reduces, causing a change in the pressure balance between the oil tank and the external air pressure, the multiple first through holes will release air through the channels connecting the straight tube and the first hollow cotton column to the mouthpiece, maintaining the pressure balance between the oil tank and the external air pressure, thereby maintaining the oil pressure balance of the atomizing core. When the e-liquid pressure in the fuel tank is stable, the e-liquid guided to the second hollow cotton column of the atomizer core will not experience oil pressure buildup or excessive oil flow, leading to issues such as oil accumulation or splattering. Therefore, the e-cigarette cartridges designed using this technical solution are beneficial in preventing oil accumulation and high-temperature leakage, thereby extending the lifespan of the e-cigarette. Attached Figure Description
[0012] Fig. 1 This is an exploded view of the overall structure of the electronic cigarette cartridge of this utility model.
[0013] Fig. 2 This is a cross-sectional view of the overall structure of the electronic cigarette cartridge of this utility model.
[0014] Fig. 3 This is a schematic diagram of the straight pipe, inner support frame, and oil seal bottom cover of this utility model. Detailed Implementation
[0015] The technical solutions in the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are also within the scope of protection of this disclosure.
[0016] Please refer to Figs. 1-3The utility model provides an electronic cigarette cartridge which can prevent oil accumulation and high-temperature oil leakage, comprising a cartridge shell 1, an atomizing core 2 and an oil seal bottom cover 9. The cartridge shell 1 is internally provided with a hollow cavity, and the lower end is open. The upper end of the cartridge shell 1 is provided with a mouthpiece, and the inner wall of the mouthpiece extends downward to form a mouthpiece inner tube 101. The lower end of the mouthpiece inner tube 101 is connected to a food-grade high-temperature-resistant straight pipe 3. The lateral wall of the straight pipe 3 is provided with a plurality of first through holes 301 towards the upper end and a plurality of second through holes 302 towards the lower end. The straight pipe 3 is internally provided with a first hollow cotton column 4, and the atomizing core 2 is arranged in the first hollow cotton column 4 from the bottom. The position of the first through holes 301 is higher than the upper end of the atomizing core 2. The lower end of the atomizing core 2 is connected to the oil seal bottom cover 9, and the oil seal bottom cover 9 is arranged at the lower end opening of the cartridge shell 1. The oil seal bottom cover 9 is provided with an air inlet hole 901.
[0017] The plurality of first through holes 301 on the straight pipe 3 can maintain the balance of the internal and external pressure difference. When the evaporation of the tobacco tar in the oil tank is reduced, the pressure in the oil tank and the external air pressure change. The plurality of first through holes 301 can release air through the straight pipe 3 and the channel in the first hollow cotton column 4 connected to the mouthpiece to maintain the balance of the oil tank pressure and the external air pressure, thereby maintaining the oil pressure balance of the atomizing core 2. In the stable state of the oil pressure in the oil tank, the tobacco tar in the second hollow cotton column 4 connected to the atomizing core 2 will not accumulate or cause excessive oil leakage.
[0018] Please refer to Fig. 1 、 Fig. 2 Preferably, the straight pipe 3 is made of food-grade stainless steel. A sealing silica gel ring 5 is tightly connected between the upper end of the straight pipe 3 and the lower end of the mouthpiece inner tube 101. The upper end of the sealing silica gel ring 5 is provided with an outwardly turned outer edge 501. The outer edge 501 and the outer wall of the sealing silica gel ring 5 form a sealing sleeve for the annular groove 502 of the straight pipe 3, thereby achieving stable connection of the straight pipe 3 and preventing displacement or dislocation.
[0019] Further, the outer wall of the sealing silica gel ring 5 is integrally provided with a first protruding ring portion 503, and the inner wall of the sealing silica gel ring 5 is integrally provided with a second protruding ring portion 504. The lower end of the mouthpiece inner tube 101 is inserted into the sealing silica gel ring 5.
[0020] Preferably, the atomization core 2 comprises a hollow tube support 21, a heating wire element 22, the heating wire element 22 is provided with a second hollow cotton column 23, the second hollow cotton column 23 is integrally sleeved in the hollow tube support 21 after assembling the heating wire element 22, and the side wall of the hollow tube support 21 is provided with an oil guide hole. The first hollow cotton column 4 corresponds to the outer wrapping cotton of the atomization core 2, and the second hollow cotton column 23 is the inner wrapping cotton, realizing a double oil guiding and storing cotton structure, sufficient oil guiding amount, and avoiding the problem of poor oil guiding.
[0021] Preferably, the lower end opening of the cartridge shell 1 is embedded with a first sealing silica gel seat 6, an inner support frame 7 sleeved at the bottom of the first sealing silica gel seat 6, and a second sealing silica gel seat 8 sleeved at the lower end of the inner support frame 7. The first sealing silica gel seat 6 and the inner support frame 7 are provided with plug-in hole positions for plugging in the lower end of the hollow tube support 21. The outer wall of the first sealing silica gel seat 6 is sealingly connected with the inner wall of the cartridge shell 1, and the side wall of the plug-in hole position of the first sealing silica gel seat 6 is sealingly connected with the outer wall of the hollow tube support 21. The second sealing silica gel seat 8 is provided with a corresponding butt joint through hole at the plug-in hole position, the hole diameter of the butt joint through hole is smaller than that of the plug-in hole position, and the upper end of the butt joint through hole is used for abutting against the lower end surface of the atomization core 2.
[0022] Further, the plug-in hole positions of the first sealing silica gel seat 6 and the inner support frame 7 and the two sides of the butt joint through hole of the second sealing silica gel seat 8 are each provided with a through hole in communication, and a cylindrical silica gel plug 10 is tightly plugged into the through hole. The through hole in communication between the first sealing silica gel seat 6 and the inner support frame 7 serves as an oil injection port of the electronic cigarette cartridge, and oil is injected through the oil injection port. The cylindrical silica gel plug 10 is an oil injection plug.
[0023] Further, the oil seal bottom cover 9 comprises a cover plate and a bottom cover side wall integrally injection molded with the cover plate, the bottom cover side wall forms an inner cavity position, an oil absorbing cotton block 11 is embedded at the bottom of the inner cavity position, the middle position of the cover plate is provided with the air inlet hole 901, and the two side positions of the cover plate are provided with conductive contacts 12.
[0024] The above has described the embodiments of the present disclosure, and the above description is exemplary, not exhaustive, and is not limited to the disclosed embodiments. Many modifications and changes are obvious to those skilled 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, practical applications, or improvements to the technology in the market of the embodiments, or to enable other ordinary skilled persons in the art to understand the disclosed embodiments.
Claims
1. An electronic cigarette cartridge capable of preventing oil accumulation and high-temperature oil leakage, comprising a cartridge shell (1), an atomizing core (2), and an oil seal bottom cover (9), characterized in that: the cartridge shell (1) is internally a hollow cavity and has an open lower end; the upper end of the cartridge shell (1) is provided with a mouthpiece, and the inner wall of the mouthpiece extends downward to form a mouthpiece inner tube portion (101); the lower end of the mouthpiece inner tube portion (101) is connected to a food-grade high-temperature-resistant straight pipe (3); the lateral wall of the straight pipe (3) is provided with a plurality of first through holes (301) near the upper end and a plurality of second through holes (302) near the lower end; the straight pipe (3) is internally provided with a first hollow cotton column (4), and the atomizing core (2) is arranged in the first hollow cotton column (4) from the bottom; the positions of the first through holes (301) are higher than the upper end of the atomizing core (2); the lower end of the atomizing core (2) is connected to the oil seal bottom cover (9), and the oil seal bottom cover (9) is arranged on the lower end opening of the cartridge shell (1) and is provided with an air inlet hole (901).
2. The oil-accumulation and high-temperature oil-leakage prevention electronic cigarette cartridge of claim 1, wherein, The straight pipe (3) is made of food-grade stainless steel, and a sealing silica gel ring (5) is tightly fitted and connected between the upper end of the straight pipe (3) and the lower end of the mouthpiece inner tube portion (101); the upper end of the sealing silica gel ring (5) is provided with an outwardly turned outer edge (501), and the outer edge (501) and the outer wall of the sealing silica gel ring (5) form a ring-shaped groove (502) for sealing the straight pipe (3).
3. The oil-accumulation and high-temperature oil-leakage prevention electronic cigarette cartridge of claim 2, wherein, The outer wall of the sealing silica gel ring (5) is integrally provided with a first protruding ring portion (503), and the inner wall of the sealing silica gel ring (5) is integrally provided with a second protruding ring portion (504); the lower end of the mouthpiece inner tube portion (101) is inserted into the sealing silica gel ring (5).
4. The oil-accumulation and high-temperature oil-leakage prevention electronic cigarette cartridge of claim 1, wherein, The atomizing core (2) comprises a hollow tube support (21) and a heating wire element (22), and the heating wire element (22) is externally provided with a second hollow cotton column (23); after the second hollow cotton column (23) is assembled with the heating wire element (22), the second hollow cotton column (23) is integrally arranged in the hollow tube support (21); the lateral wall of the hollow tube support (21) is provided with an oil guide hole.
5. The oil-accumulation and high-temperature oil-leakage prevention electronic cigarette cartridge of claim 4, wherein, The lower end opening of the cartridge shell (1) is embedded with a first sealing silica gel seat (6), an inner support frame (7) arranged at the bottom of the first sealing silica gel seat (6), and a second sealing silica gel seat (8) arranged at the lower end of the inner support frame (7); the first sealing silica gel seat (6) and the inner support frame (7) are provided with an insertion hole for inserting the lower end of the hollow tube support (21); the outer wall of the first sealing silica gel seat (6) is sealingly connected to the inner wall of the cartridge shell (1); the insertion hole side wall of the first sealing silica gel seat (6) is sealingly connected to the outer wall of the hollow tube support (21); the second sealing silica gel seat (8) is provided with a corresponding abutting through hole; the diameter of the abutting through hole is smaller than that of the insertion hole; and the upper end of the abutting through hole is used for abutting against the lower end surface of the atomizing core (2).
6. The oil-accumulation and high-temperature oil-leakage prevention electronic cigarette cartridge of claim 5, wherein, The two sides of the insertion hole position of the first sealing silica gel seat (6) and the inner support frame (7) and the two sides of the interface through hole of the second sealing silica gel seat (8) are respectively provided with a through hole in communication, and a cylindrical silica gel plug (10) is tightly inserted into the through hole.
7. The oil-accumulation and high-temperature oil-leakage prevention electronic cigarette cartridge of claim 1, wherein, The oil seal bottom cover (9) comprises a cover plate and a bottom cover side wall integrally injection molded with the cover plate, an inner cavity position is formed in the bottom cover side wall, an oil absorption cotton block (11) is embedded at the bottom of the inner cavity position, the middle position of the cover plate is provided with the air inlet hole (901), and the two side positions of the cover plate are provided with conductive contacts (12).