CN110754692B - Oil leakage prevention electronic cigarette - Google Patents
Oil leakage prevention electronic cigarette Download PDFInfo
- Publication number
- CN110754692B CN110754692B CN201911250044.9A CN201911250044A CN110754692B CN 110754692 B CN110754692 B CN 110754692B CN 201911250044 A CN201911250044 A CN 201911250044A CN 110754692 B CN110754692 B CN 110754692B
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- Prior art keywords
- oil
- shell
- electronic cigarette
- leak
- leakage prevention
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- Expired - Fee Related
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- 239000003571 electronic cigarette Substances 0.000 title claims abstract description 34
- 230000002265 prevention Effects 0.000 title claims abstract description 25
- 239000000779 smoke Substances 0.000 claims abstract description 14
- 238000010438 heat treatment Methods 0.000 claims description 32
- 241000208125 Nicotiana Species 0.000 claims description 26
- 235000002637 Nicotiana tabacum Nutrition 0.000 claims description 26
- 238000009413 insulation Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 8
- SNICXCGAKADSCV-JTQLQIEISA-N (-)-Nicotine Chemical compound CN1CCC[C@H]1C1=CC=CN=C1 SNICXCGAKADSCV-JTQLQIEISA-N 0.000 claims description 5
- 229960002715 nicotine Drugs 0.000 claims description 5
- SNICXCGAKADSCV-UHFFFAOYSA-N nicotine Natural products CN1CCCC1C1=CC=CN=C1 SNICXCGAKADSCV-UHFFFAOYSA-N 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000007664 blowing Methods 0.000 claims description 3
- 238000004804 winding Methods 0.000 claims description 2
- 239000008358 core component Substances 0.000 claims 1
- 238000010030 laminating Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 17
- 238000001914 filtration Methods 0.000 description 9
- 235000019504 cigarettes Nutrition 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000005586 smoking cessation Effects 0.000 description 1
- 230000000391 smoking effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The invention discloses an oil leakage prevention electronic cigarette which comprises a shell, an atomizing core assembly and an electric plug, wherein the shell comprises a shell and an atomizing pipe, and the upper end of the atomizing pipe is hermetically connected with the shell and extends upwards to form a suction nozzle; form the oil smoke chamber between atomizing pipe and the shell, atomizing core subassembly includes adiabatic overcoat, lead oily body and heat-generating body, adiabatic overcoat inner wall and the inside laminating of shell and sealed setting, below at adiabatic overcoat be equipped with the apron with shell threaded connection, the center of adiabatic overcoat below is equipped with the electric plug, be equipped with the oil body of leading of cover in the heat-generating body outside between adiabatic overcoat and heat-generating body, oil smoke chamber one side lower extreme is equipped with leak and leads the storehouse, it has sealed gag lever post to alternate at the under shed in leak leads the storehouse, the side of sealed gag lever post is equipped with the rack, side at the rack be equipped with rack toothing's gear, motor drive is passed through at the center of gear, the under shed in leak leads the storehouse is located the top of leading the oil body and leads the oil body with the part and aligns. This structure avoids the oil leak.
Description
Technical Field
The invention relates to the technical field of electronic cigarettes, in particular to an oil leakage prevention electronic cigarette.
Background
An electronic cigarette is the electronic cigarette; the electronic cigarette has a similar appearance to a cigarette, and does not contain tar, suspended particles and other harmful ingredients in the traditional cigarette; therefore, some people use it for smoking cessation or replacing cigarettes.
The electronic cigarette is to introduce tobacco tar into a heating component and heat the tobacco tar to generate smoke, so that a user has the feeling of smoking. Because electron cigarette bullet appearance and bottom size space receive the restriction, and most electron cigarette air inlet mode on the market at present is that the base directly sets up the business turn over gas pocket, leads to not having any protection, consequently when the user suction, the condensate of production or long-time stewing, tobacco tar can directly leak out from central gas pocket, so need improve.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provide an oil leakage prevention electronic cigarette which prevents tobacco tar from leaking.
In order to achieve the purpose, the invention designs an oil leakage prevention electronic cigarette, which comprises a shell, an atomizing core assembly and an electric plug, wherein the shell comprises an integrally formed shell and an atomizing pipe arranged in the shell, and the upper end of the atomizing pipe is hermetically connected with the shell and extends upwards to form a suction nozzle; form the smoke cavity between atomizing pipe and the shell, atomizing core subassembly includes adiabatic overcoat, leads oily body and heat-generating body, adiabatic overcoat inner wall and the inside laminating of shell and sealed setting, below adiabatic overcoat with shell threaded connection's apron, the center of adiabatic overcoat below is equipped with the partial electric plug that stretches out the apron, the heat-generating body is located adiabatic overcoat and one end is connected with the electric plug, be equipped with between adiabatic overcoat and heat-generating body and overlap in the heat-generating body outside lead oily body, one side lower extreme of smoke cavity is equipped with the leak lead-through storehouse that link up with the smoke oil chamber, has the sealed cock stem that can open the lower open of leak lead-through storehouse or close at the lower open-end of leak lead-through storehouse in the interlude, the side of sealed cock stem is equipped with the rack, be equipped with the gear with rack toothing at the side of rack, the gear can drive the rack and reciprocate, open or close the under shed in leak conduction storehouse, motor drive is passed through at the center of gear, the under shed in leak conduction storehouse is located the top of the oil guide body and leads the oil body with the part and aligns, realizes when the under shed in leak conduction storehouse is opened, can instil into the oil guide with the tobacco tar in tobacco tar chamber in, form spiral tubular structure after the heat-generating body winding, be equipped with the fixed bolster in adiabatic overcoat, the heat-generating body is arranged in the fixed bolster, lead the oil body spacing outside the fixed bolster, the heat-generating body is located the atomizing pipe under, the oil guide body switches on the storehouse with the leak and exists the interval, is equipped with the inlet on tobacco tar chamber side.
In order to facilitate fixing, be equipped with first recess in the fixed bolster, the electric plug is arranged in first recess, still is equipped with the second recess that is located the top of first recess and opening diameter and is greater than first recess in the fixed bolster, and it has the electrically conductive support to be spacing in first recess, electrically conductive support one end is connected with the electric plug electricity, the heat-generating body electricity is connected in electrically conductive support top.
Further, the oil separation effect is improved, a first channel which is vertically arranged is arranged at a position where the oil guide body is communicated with the lower opening of the leak guide bin, the upper opening of the first channel is funnel-shaped, the lower opening of the first channel is connected with a second channel which is horizontally arranged, the second channel is distributed in the oil guide body and is communicated with the oil guide body on the right side, a third channel is arranged in the oil guide body on the right side and is communicated with the second channel, an oil separation layer is sleeved outside the oil guide body, a small fan is arranged in the first groove, a blowing port of the small fan faces the heating body, air holes are formed in the conductive support, more than one flow guide capillary tube is arranged on the branches of the first channel and the third channel, the flow guide capillary tube is vertically arranged with the first channel, a heat insulation layer is arranged outside the oil separation layer, a bowl-mounted reflecting plate which is positioned outside the heating body is arranged above the fixed support, the heating body is sleeved outside the conductive support, and one end of the heating body is fixed on the conductive support through a screw.
In order to facilitate the use, an annular storage chamber is arranged outside the shell, and a storage battery electrically connected with the motor is arranged in the annular storage chamber.
For the convenience of fixing, the center of the oil guide body is a through hole, an inner groove is formed in the lower end of the through hole, and the inner groove is attached to the outer wall of the fixing support.
In order to improve the heating effect, a heat conducting wire extending into the oil conducting body is arranged outside the heating body.
In order to improve the circulation, more than one vent hole is arranged in the oil guide body.
In order to improve the filtering effect and ensure safer use, a first filter screen is arranged in the atomizing pipe.
In order to improve the filtering effect and ensure safer use, the first filter screen is arranged in a double-layer mode.
In order to improve the filtering effect and ensure safer use, a nicotine filtering layer is arranged in the first filtering net.
Further, improve the filter effect, be equipped with the second filter screen in the below in leak leads to the storehouse.
When the electronic cigarette with the oil leakage prevention function is used, the tobacco tar enters through the liquid inlet, the tobacco tar is ensured to be isolated from the heating body in an initial state, the oil leakage phenomenon is avoided, then, when the electronic cigarette is required to be used, the driving motor works to drive the rack to move upwards and simultaneously drive the sealing plug rod to move upwards, the lower opening of the leak conducting bin is finally opened, the tobacco tar flows into the lower opening of the leak conducting bin below through the leak conducting bin, then the tobacco tar reaches the inside of the oil conducting body, as the oil conducting body is made of a material similar to water absorption and oil absorption, the sealing plug rod is closed after the oil conducting body is fully absorbed, the heating body is driven to work, the heat is generated around the heating body to finally heat the oil in the oil conducting body, the oil is finally atomized and then enters the atomizing pipe to be atomized, and then the atomized is sucked out through the suction nozzle, the effect similar to smoke extraction is realized, and whether the oil cavity smoke and the atomizing pipe are opened or closed according to requirements can be selected through the structural design, finally, the problem of oil leakage of the tobacco tar from the atomizing pipe is avoided.
Drawings
In order to more clearly illustrate the implementation of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view of an overall structure of an oil leakage prevention electronic cigarette in embodiment 1;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
fig. 3 is a schematic view of the whole structure of an oil leakage prevention electronic cigarette in embodiment 2;
fig. 4 is a schematic view of the whole structure of an oil leakage prevention electronic cigarette in embodiment 3;
fig. 5 is a schematic view of the whole structure of an oil leakage prevention electronic cigarette in embodiment 4;
fig. 6 is a schematic view of the whole structure of an oil leakage prevention electronic cigarette in embodiment 5;
fig. 7 is a partial structural schematic view of an oil leakage prevention electronic cigarette in embodiment 6;
fig. 8 is a partial enlarged view of fig. 7 at B.
In the reference symbols: a housing 1; an electric plug 2; a housing 3; an atomizing pipe 4; a suction nozzle 5; a smoke chamber 6; a heat insulating jacket 7; an oil guide body 8; a heating element 9; a cover plate 10; a loophole communicating bin 11; a sealing plug rod 12; a rack 13; a gear 14; a motor 16; a fixed bracket 15; a liquid inlet 17; a first groove 18; a second groove 19; a conductive support 20; an annular reservoir 21; a storage battery 22; an inner groove 23; heat-conducting wires 24; a vent 25; a first filter 26; a nicotine filter layer 27; a second filter 28; a first channel 29; a second channel 30; an oil-separating layer 31; a small fan 32; a diversion capillary 33; a thermal insulation layer 34; a bowl-mounted reflector 35; a third channel 36; and air holes 37.
Detailed Description
The invention will be further described with reference to the following examples.
Example 1:
referring to fig. 1-2, the oil leakage preventing electronic cigarette provided in this embodiment includes a housing 1, an atomizing core assembly and an electrical plug 2, where the housing 1 includes an integrally formed housing 3 and an atomizing pipe 4 disposed in the housing 3, and an upper end of the atomizing pipe 4 is hermetically connected to the housing 3 and extends upward to form a suction nozzle 5; form smoke cavity 6 between atomizing pipe 4 and shell 3, atomizing core subassembly includes adiabatic overcoat 7, leads oily body 8 and heat-generating body 9, adiabatic overcoat 7 inner wall and the inside laminating of shell 3 and sealed setting, be equipped with the apron 10 with shell 3 threaded connection in the below of adiabatic overcoat 7, the center of adiabatic overcoat 7 below is equipped with the part and stretches out apron 10 the electric plug 2, heat-generating body 9 is located adiabatic overcoat 7 and one end is connected with electric plug 2, be equipped with between adiabatic overcoat 7 and heat-generating body 9 and overlap in the outside of heat-generating body 9 lead oily body 8, one side lower extreme of smoke cavity 6 is equipped with the leak lead-through storehouse 11 that link up with tobacco tar cavity 6, it has the sealed cock stem 12 that can open or close the lower open of leak lead-through storehouse 11 to cross-insert at the lower open of leak lead-through storehouse 11, the side of sealed cock stem 12 is equipped with rack 13, be equipped with the gear 14 with rack 13 meshing on the side of rack 13, gear 14 can drive rack 13 and reciprocate, opens or closes the under shed of leak conduction storehouse 11, motor 16 drive is passed through at gear 14's center, the under shed of leak conduction storehouse 11 is located the top of leading oil body 8 and aligns with partial oil body 8, realizes when the under shed of leak conduction storehouse 11 is opened, can instil into the oil body 8 of leading with the tobacco tar of tobacco tar pocket 6 in, heat-generating body 9 twines the back and forms the spiral tubular structure, is equipped with fixed bolster 15 in adiabatic overcoat 7, heat-generating body 9 is arranged in fixed bolster 15, it is spacing outside fixed bolster 15 to lead oil body 8, heat-generating body 9 is located atomizing pipe 4 under, there is the interval in oil body 8 and leak conduction storehouse 11, is equipped with inlet 17 at tobacco tar pocket 6 side.
In order to facilitate fixing, a first groove 18 is arranged in the fixing support 15, the electric plug 2 is arranged in the first groove 18, a second groove 19 which is located above the first groove 18 and has an opening diameter larger than that of the first groove 18 is further arranged in the fixing support 15, a conductive support 20 is limited in the first groove 18, one end of the conductive support 20 is electrically connected with the electric plug 2, and the heating body 9 is electrically connected above the conductive support 20.
Lead the center of oil body 8 to be the through-hole, the lower extreme of through-hole is equipped with inner groovy 23, inner groovy 23 and the outer wall laminating of fixed bolster 15 improve fixed effect through setting up inner groovy 23.
When the device is used, tobacco tar enters through the liquid inlet 17, the tobacco tar is ensured to be isolated from the heating body 9 in an initial state, the oil leakage phenomenon is avoided, then, when the device is needed to be used, the device works through the driving motor 16, the rack 13 is driven to move upwards at the moment, the sealing plug rod 12 is driven to move upwards at the same time, the lower opening of the leak conducting bin 11 is finally opened, the tobacco tar flows into the lower opening of the leak conducting bin 11 below through the leak conducting bin 11 and then reaches the oil conducting body 8, the oil conducting body 8 is made of a material with the water absorbing function and the oil absorbing function, the sealing plug rod 12 is closed after the device is fully sucked, the device drives the heating body 9 to work, heat is generated around the heating body 9, the oil in the oil conducting body 8 is finally heated and atomized by the atomizing pipe 4, and then the atomized by the atomizing pipe 4 is sucked out through the suction nozzle 5, the similar smoke sucking effect is realized, and whether the smoke oil chamber 6 and the atomizing pipe 4 are opened or not can be selected according to needs through the structural design And finally, the problem of oil leakage of the tobacco tar from the atomizing pipe 4 is avoided.
Example 2:
referring to fig. 3, in order to facilitate use, an annular storage chamber 21 is arranged outside the housing 3, a storage battery 22 electrically connected with the motor 16 is arranged in the annular storage chamber 21, the storage battery 22 is convenient to use, the electronic cigarette can be used anywhere, and charging can be performed in a later period.
Example 3:
referring to fig. 4, in order to improve the heating effect, the heating element 9 is externally provided with a heat conducting wire 24 extending into the oil guiding body 8, and the heating effect is improved by providing the heat conducting wire 24.
In order to improve the flow-through property, one or more vent holes 25 are provided in the oil guide body 8, and the ventilation property and the oil flow-through property are improved by providing the vent holes 25.
Example 4:
referring to fig. 5, in order to improve the filtering effect and to make the use safer, the oil leakage prevention electronic cigarette provided in this embodiment is provided with a first filter screen 26 in the atomizing pipe 4.
In order to improve the filtering effect and make the use safer, the first filter 26 has a double-layer structure.
In order to improve the filtering effect and make the use safer, a nicotine filter layer 27 is arranged in the first filter 26, and the first filter 26 and the nicotine filter layer 27 are arranged to make the use safer.
Example 5:
the leak protection oil electron cigarette that this embodiment provided, refer to fig. 6, further, improve the filter effect, be equipped with second filter screen 28 in the below of leak leading storehouse 11, realize filtering the tobacco tar through setting up second filter screen 28, finally improve the security of using to and the filter effect.
Example 6:
referring to fig. 7 and 8, the oil leakage preventing electronic cigarette provided in this embodiment further improves the oil separation effect, a vertically arranged first channel 29 is disposed at a through position between the oil guide body 8 and the lower opening of the leak guide bin 11, an upper opening of the first channel 29 is funnel-shaped, the lower opening of the first channel 29 is connected to a second channel 30 horizontally arranged, the second channel 30 is distributed in the oil guide body 8, the right oil guide body 8 is through, a third channel 36 is disposed in the right oil guide body, the third channel 36 is communicated with the second channel 30, an oil separation layer 31 is sleeved outside the oil guide body 8, a small fan 32 is disposed in the first groove 18, an air blowing port of the small fan 32 faces the heating body 9, an air vent 37 is disposed on the conductive bracket 20, more than one flow guide capillary tube 33 is branched on the first channel 29 and the third channel 36, the diversion capillary tube 33 is perpendicular to the first channel 29, a heat insulation layer 34 is arranged outside the oil separation layer 31, a bowl-shaped reflecting plate 35 positioned outside the heating body 9 is arranged above the fixing support 15, the heating body 9 is sleeved outside the conductive support 20, and one end of the heating body 9 is fixed on the conductive support 20 through screws.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. An oil leakage prevention electronic cigarette comprises a shell, an atomizing core assembly and an electric plug, wherein the shell comprises an integrally formed shell and an atomizing pipe arranged in the shell, and the upper end of the atomizing pipe is hermetically connected with the shell and extends upwards to form a suction nozzle; form smoke oil chamber between atomizing pipe and the shell, its characterized in that: the atomizing core component comprises a heat insulation outer sleeve, an oil guide body and a heating body, wherein the inner wall of the heat insulation outer sleeve is attached to the inside of the shell and is arranged in a sealing manner, a cover plate in threaded connection with the shell is arranged below the heat insulation outer sleeve, a part of the electric plug extending out of the cover plate is arranged at the center below the heat insulation outer sleeve, the heating body is arranged in the heat insulation outer sleeve, one end of the heating body is connected with the electric plug, the oil guide body is sleeved outside the heating body and is arranged between the heat insulation outer sleeve and the heating body, a leak guide bin communicated with a tobacco tar cavity is arranged at the lower end of one side of the tobacco tar cavity, a sealing plug rod capable of opening or closing the lower opening of the leak guide bin is inserted into the lower opening of the leak guide bin, a rack is arranged on the side of the sealing plug rod, a gear meshed with the rack is arranged on the side of the rack, the gear can drive the rack to move up and down, and the lower opening of the leak guide bin is opened or closed, motor drive is passed through at the center of gear, the under shed in leak conduction storehouse is located the top of the oil guide body and leads the oil body with the part and aligns, realizes when the under shed in leak conduction storehouse is opened, can instil into the oil guide body with the tobacco tar in tobacco tar pocket, form spiral tubular structure after the heat-generating body winding, be equipped with the fixed bolster in the adiabatic overcoat, the heat-generating body is arranged in the fixed bolster in, lead the oil body spacing outside the fixed bolster, the heat-generating body is located the atomizing pipe under, the oil guide body is with leak conduction storehouse existence interval, is equipped with the inlet on tobacco tar pocket side.
2. The oil leakage prevention electronic cigarette of claim 1, characterized in that: be equipped with first recess in the fixed bolster, in first recess was arranged in to the electric plug, still be equipped with the second recess that top and opening diameter that are located first recess are greater than first recess in the fixed bolster, and it has electrically conductive support to be spacing in first recess, electrically conductive support one end is connected with the electric plug electricity, the heat-generating body electricity is connected in electrically conductive support top.
3. The oil leakage prevention electronic cigarette of claim 2, characterized in that: the oil guide body is provided with a first channel which is vertically arranged at a place where the oil guide body is communicated with the lower opening of the loophole conducting bin, the upper opening of the first channel is funnel-shaped, the lower opening of the first channel is connected with a second channel which is horizontally arranged, the second channel is distributed in the oil guide body and is communicated with the oil guide body on the right side, a third channel is arranged in the oil guide body on the right side and is communicated with the second channel, an oil separating layer is sleeved outside the oil guide body, a small fan is arranged in the first groove, a blowing port of the small fan faces a heating body, the conducting bracket is provided with air holes, more than one flow guide capillary tube is arranged on the first channel and the third channel, the flow guide capillary tube is vertically arranged with the first channel, a heat insulating layer is arranged outside the oil separating layer, a bowl-mounted reflecting plate which is positioned outside the heating body is arranged above the fixing bracket, and the heating body is sleeved outside the conducting bracket, and one end of the heating body is fixed on the conductive bracket through a screw.
4. An oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: an oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: an annular storage chamber is arranged outside the shell, and a storage battery electrically connected with the motor is arranged in the annular storage chamber.
5. An oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: the center of the oil guide body is a through hole, an inner groove is formed in the lower end of the through hole, and the inner groove is attached to the outer wall of the fixing support.
6. An oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: the heating body is externally provided with a heat conducting wire extending into the oil guiding body, and the oil guiding body is internally provided with more than one vent hole.
7. An oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: a first filter screen is arranged in the atomizing pipe.
8. The oil leakage prevention electronic cigarette of claim 7, wherein: the first filter screen is arranged in a double-layer mode.
9. An oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: a nicotine filter layer is arranged in the first filter screen.
10. An oil leakage prevention electronic cigarette according to claim 1 or 2, characterized in that: and a second filter screen is arranged below the leak conducting bin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250044.9A CN110754692B (en) | 2019-12-09 | 2019-12-09 | Oil leakage prevention electronic cigarette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911250044.9A CN110754692B (en) | 2019-12-09 | 2019-12-09 | Oil leakage prevention electronic cigarette |
Publications (2)
| Publication Number | Publication Date |
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| CN110754692A CN110754692A (en) | 2020-02-07 |
| CN110754692B true CN110754692B (en) | 2021-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911250044.9A Expired - Fee Related CN110754692B (en) | 2019-12-09 | 2019-12-09 | Oil leakage prevention electronic cigarette |
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- 2019-12-09 CN CN201911250044.9A patent/CN110754692B/en not_active Expired - Fee Related
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