CN105707984B - A kind of cigarette holder of air flue radially layered formula - Google Patents
A kind of cigarette holder of air flue radially layered formula Download PDFInfo
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- CN105707984B CN105707984B CN201610251041.7A CN201610251041A CN105707984B CN 105707984 B CN105707984 B CN 105707984B CN 201610251041 A CN201610251041 A CN 201610251041A CN 105707984 B CN105707984 B CN 105707984B
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- round tube
- air inlet
- inlet seat
- outer rim
- flow
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- A24F47/008—
Abstract
The invention discloses a kind of cigarette holders of air flue radially layered formula, it is desirable to provide a kind of cigarette holder for the air flue radially layered formula that mouthfeel of smokeing panel test is good.It includes shell, and interconnecting piece is arranged in one end of shell；Cage connection portion is known as head end at one end, and the other end is known as tail end；The sealing plug of end air inlet seat, the first round tube, the first air inlet seat and middle part with venthole is disposed with from head end to tail end in shell；The second air inlet seat and the second round tube are disposed with from one end to the other end by close end air inlet seat in first round tube；End air inlet seat is a plectane, and the outer rim of the plectane contacts with outer casing inner wall and is provided with end vents in its outer rim；Plectane is connect with the abutting end hermetic seal of the first round tube；First air inlet seat is the annulus with stepped cross-section, and the outer rim of the biggish single order of annulus outer diameter contacts with outer casing inner wall and is provided with axial venthole in its outer rim, and another rank contacts with sealing plug and its end is provided with radial venthole；Annulus is connect with the first round tube hermetic seal.
Description
Technical field
The present invention relates to electronic cigarette technical fields, more particularly, to a kind of cigarette holder of air flue radially layered formula.
Background technique
It is different from the burning of the duration of traditional cigarette, the heater of electronic cigarette in each aspiration procedure of smoker, with
The length for aspirating the electronic cigarette time, is every time primary heating process to the aspiration procedure of electronic cigarette liquid.The heating process is all
One from relative low temperature to high temperature, returns the process of relative low temperature.In this process, the electronic cigarette liquid of multiple components can be because
The different component of boiling point and fragrance are evaporated in suction with the different phase of a bite flue gas for the difference of heater operating temperature,
Then the flue gas evaporated just needs to enter one when can mix same primary suction well, and successively different phase volatilizes
The device of exhaust gas components.But existing electronic cigarette end, is the structure being directly sucked out from atomizer, and suction end is put-through channel
Or add the components such as a bit of smoke filtration cotton, but the therefore length very little of base part, only several millimeters, channel diameter is even more only
0.3 ~ 3 millimeter, so the function and effect to atomization flue gas mixing are very limited.On the other hand, electronic cigarette flue gas partial size is only
About 1/10th or so of flue gas partial size is formed after the burning of traditional cigarette, so into often having electronic cigarette atomizing behind smoker oral cavity
The insufficient feeling of flue gas plumpness.
Summary of the invention
The present invention overcomes the disadvantages of the prior art, provides a kind of easily fabricated, facilitates flow line production and assembling,
Can uniform mixed flue gas, the cigarette holder of smoke inlet moderate temperature and the good air flue radially layered formula of mouthfeel of smokeing panel test.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
Interconnecting piece is arranged in one end of a kind of cigarette holder of air flue radially layered formula, including shell, the shell；The shell connects
Socket part is known as head end at one end, and the other end is known as tail end；
End air inlet seat, the first round tube, the first air inlet seat and middle part are disposed with from head end to tail end in the shell
Sealing plug with venthole；
The second air inlet seat and the are disposed with from one end to the other end by close end air inlet seat in first round tube
Two round tubes；
The end air inlet seat is a plectane, and the outer rim of the plectane contacts with outer casing inner wall and is provided with end in its outer rim
Venthole；The end air inlet seat is connect with the abutting end hermetic seal of the first round tube；
First air inlet seat is the annulus with stepped cross-section, the outer rim and shell of the biggish single order of annulus outer diameter
It is provided with axial venthole in inner wall contact and its outer rim, another rank contacts with sealing plug and its end is provided with radial ventilation
Hole；First air inlet seat is connect with the first round tube hermetic seal；
Second air inlet seat is the annulus with stepped cross-section, the outer rim and first of the biggish single order of annulus outer diameter
It is provided with axial venthole in round tube inner wall contact and its outer rim, another rank contacts with end air inlet seat and its end is provided with
Radial venthole；Second air inlet seat is connect with the second round tube hermetic seal；
The outer rim of the sealing plug is connect with outer casing inner wall hermetic seal, and the end hermetic seal of end face and the second round tube connects
It connects, venthole thereon is located in the caliber of the second round tube；
The first airflow channel is constituted between the shell and the first round tube, is constituted between first round tube and the second round tube
Second airflow channel.
Preferably, the first flow-disturbing circle is set on the outer wall of first round tube；The outer rim of the first flow-disturbing circle with
The first flow-disturbing hole is provided in outer casing inner wall contact and its outer rim.
Preferably, the second flow-disturbing circle is set on the outer wall of second round tube；The outer rim of the second flow-disturbing circle with
The second flow-disturbing hole is provided in the contact of first round tube inner wall and its outer rim.
Preferably, axially position first is respectively installed on first round tube, positioned at the two sides of the first flow-disturbing circle to disturb
Flow the first positioning sleeve of circle；Axially position second is respectively installed on second round tube, positioned at the two sides of the second flow-disturbing circle to disturb
Flow the second positioning sleeve of circle.
Preferably, the plectane and the first round tube of the end air inlet seat are clamped connection.
Preferably, the plectane and the first round tube of the end air inlet seat are clamped connection.
Preferably, the annulus and the first round tube of first air inlet seat are clamped connection.
Preferably, the annulus and the first round tube of first air inlet seat are clamped connection.
Preferably, the annulus and the second round tube of second air inlet seat are clamped connection.
Preferably, the annulus and the second round tube of second air inlet seat are clamped connection.
Compared with prior art, the present invention has the advantage that
(1) present invention is passed through by increasing the internal structure of cigarette holder in holding in situation similar in original suction nozzle diameter
Different space partition zones is repartitioned, and is made the cavity for needing mixed flue gas by not co-content and different spaces, is made difference
When by longer space and cavity, flue gas is further mixed the flue gas that period volatilizes, and obtains consumer more
Good experience of smokeing panel test.On the other hand, smog passes through relatively longer channel transfer, and the electronic cigarette smog of high temperature obtains further
Cooling makes electronic cigarette smog gradually condense into graininess larger from small mist, overcomes electronic cigarette smog counterpart
The impact sense of chamber haves the shortcomings that sense plumpness is inadequate, solves the problems, such as that electronic cigarette smog plumpness is insufficient, effectively improves electricity
The whole aesthetic quality of sub- cigarette.
(2) the design of the invention is scientific and reasonable, is more convenient for manufacturing and assemble, the interchangeability of component is good, and manufacturing cost is lower.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention without any creative labor, may be used also for those of ordinary skill in the art
To obtain other drawings based on these drawings.
Fig. 1 is the structural schematic diagram of the one of embodiment of the present invention.
Fig. 2 is the cross-section diagram of A-A in Fig. 1.
Fig. 3 is the cross-section diagram of B-B in Fig. 1.
Fig. 4 is the cross-section diagram of C-C in Fig. 1.
Fig. 5 is the cross-section diagram of D-D in Fig. 1.
Fig. 6 is the cross-section diagram of E-E in Fig. 1.
Fig. 7 is the cross-section diagram of F-F in Fig. 1.
Fig. 8 is the perspective view of Fig. 1 medial end portions air inlet seat.
Fig. 9 is the perspective view of the first air inlet seat in Fig. 1, and the second air inlet seat constructs identical with it.
Figure 10 is the perspective view of the first flow-disturbing circle in Fig. 1, and the second flow-disturbing circle constructs identical with it.
Figure 11 is the perspective view of the end air inlet seat of another structure.
Figure 12 is the perspective view of the first air inlet seat of second of structure, and the structure can be used in the second air inlet seat.
Figure 13 is the perspective view of the first air inlet seat of the third structure, and the structure can be used in the second air inlet seat.
In figure: interconnecting piece 1, shell 2, end air inlet seat 3, the second air inlet seat 4, the first round tube 5, the first positioning sleeve 6, second
Round tube 7, the second positioning sleeve 8, the first flow-disturbing circle 9, the second flow-disturbing circle 10, the first air inlet seat 11, sealing plug 12, venthole 13.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other under that premise of not paying creative labor
Embodiment shall fall within the protection scope of the present invention.
Interconnecting piece 1 is arranged in one end of the cigarette holder of the formula of air flue radially layered shown in Fig. 1-10, including shell 2, the shell 2；
The cage connection portion 1 is known as head end at one end, and the other end is known as tail end；
In the shell 2 from head end to tail end be disposed with end air inlet seat 3, the first round tube 5, the first air inlet seat 11 and
Sealing plug 12 of the middle part with venthole 13；
In first round tube 5 from one end to the other end by close end air inlet seat 3 be disposed with the second air inlet seat 4 and
Second round tube 7；
The end air inlet seat 3 is a plectane, and the outer rim of the plectane contacts with 2 inner wall of shell and is provided with end in its outer rim
Portion's venthole；The end air inlet seat 3 is connect with the abutting end hermetic seal of the first round tube 5；
First air inlet seat 11 is the annulus with stepped cross-section, the outer rim of the biggish single order of annulus outer diameter and outer
It is provided with axial venthole in the contact of 2 inner wall of shell and its outer rim, another rank contacts with sealing plug 12 and its end is provided with diameter
To venthole；First air inlet seat 11 is connect with 5 hermetic seal of the first round tube；
Second air inlet seat 4 is the annulus with stepped cross-section, the outer rim of the biggish single order of annulus outer diameter and the
It is provided with axial venthole in the contact of one round tube, 5 inner wall and its outer rim, another rank contacts with end air inlet seat 3 and its end is set
It is equipped with radial venthole；Second air inlet seat 4 is connect with 7 hermetic seal of the second round tube；
The outer rim of the sealing plug 12 is connect with 2 inner wall hermetic seal of shell, the end hermetic seal of end face and the second round tube 7
Connection, venthole 13 thereon are located in the caliber of the second round tube 7；
The first airflow channel is constituted between the shell 2 and the first round tube 5, between first round tube 5 and the second round tube 7
Constitute the second airflow channel.
Wherein, the first flow-disturbing circle 9 is set on the outer wall of first round tube 5；The outer rim of the first flow-disturbing circle 9 and outer
The first flow-disturbing hole is provided in the contact of 2 inner wall of shell and its outer rim.First flow-disturbing circle 9 can increase the support strength of shell 2, and increase
Flue gas passes through disturbance when the first airflow channel, reinforces the effect of flue gas mixing.The first flow-disturbing hole in the present embodiment is setting
Multiple grooves in 9 outer rim of the first flow-disturbing circle, it is clear that be also possible to through-hole.
Wherein, the second flow-disturbing circle 10 is set on the outer wall of second round tube 7；The outer rim of the second flow-disturbing circle 10 with
The second flow-disturbing hole is provided in the contact of first round tube, 5 inner wall and its outer rim.Second flow-disturbing circle 10 can increase the support of the first round tube 5
Intensity, and increase disturbance of the flue gas by the second airflow channel when, reinforce the effect of flue gas mixing.Second in the present embodiment disturbs
Discharge orifice is the multiple grooves being set in 10 outer rim of the second flow-disturbing circle, it is clear that is also possible to through-hole.
Wherein, the first flow-disturbing of axially position is respectively installed on first round tube 5, positioned at the two sides of the first flow-disturbing circle 9
First positioning sleeve 6 of circle 9；Axially position second is respectively installed on second round tube 7, positioned at the two sides of the second flow-disturbing circle 10
Second positioning sleeve 8 of flow-disturbing circle 10.Obvious first flow-disturbing circle 9 and the second flow-disturbing circle 10, can also in addition to using above-mentioned positioning method
Flexible seal ring interference fit connection is perhaps clamped or is arranged using bonding.
Wherein, the plectane of the end air inlet seat 3 and the clamping of the first round tube 5 connect, particularly, in plectane and the first circle
The adjacent one end setting bulge loop of pipe 5 and 5 outer wall of the first round tube suit realize clamping connection, it is clear that bulge loop and first can also be arranged
5 inner wall of round tube suit realizes clamping connection, or setting annular groove and the clamping of 5 end of the first round tube connect on plectane.When
It so, can also be using the hermetic seals type of attachment such as threaded connection or bonding.
Wherein, the annulus of first air inlet seat 11 and the clamping of the first round tube 5 connect, particularly, in the first air inlet seat
One end setting annular groove and 5 outer wall of the first round tube suit of 11 annulus and the adjoining of the first round tube 5 realize that clamping connects, it is clear that
Bulge loop and 5 inner wall of the first round tube can also be set or outer wall suit realizes clamping connection etc..It is of course also possible to use being threadedly coupled
Or the hermetic seals type of attachment such as bonding.
Wherein, the annulus of second air inlet seat 4 and the clamping of the second round tube 7 connect, particularly, in the second air inlet seat 4
Annulus and the adjacent one end setting annular groove and 5 outer wall of the first round tube suit of the first round tube 5 realize clamping connection, it is clear that go back
Bulge loop and 5 inner wall of the first round tube can be set or outer wall suit realizes clamping connection.The sealing plug 12 is contacted with the second round tube 7
End face setting bulge loop and the inner wall suit of the second round tube 7 realize clamping connection, it is clear that can also be and bulge loop and the second round tube 7 are set
Outer wall suit realize clamping connection, or setting groove and the second round tube 7 end clamping connection.It is of course also possible to use
The hermetic seals type of attachment such as threaded connection or bonding.
In the present embodiment, the end vents are the multiple grooves for being set to the plectane edge of end air inlet seat 3, should
The quantity of groove, width can be rationally arranged according to ventilatory capacity, for example, be arranged to it is several it is relatively narrow, convenient for molding production it is narrow
Stitch groove, it is clear that be also possible to several through-holes as shown in figure 11.The axial direction venthole is to be set to the first air inlet seat 11 circle
Multiple grooves of ring edge, the radial direction venthole is the multiple grooves being set at 11 annular edge of the first air inlet seat, this
Axial venthole in embodiment and radial venthole are the corresponding groove in position, the structure and the first air inlet of the second air inlet seat 4
The structure of seat 11 is essentially identical.Obviously, the groove structure of axial venthole and radial venthole is also possible to as shown in fig. 13 that
The setting form such as form or recess width difference is shifted to install, more effectively disturbance is constituted to the flowing of flue gas, with better
Realize the mixing of flue gas.Certainly, the radial venthole is also possible to several through-holes as shown in figure 12, the axially extending bore
It can be several through-holes.It will be apparent that above-mentioned end vents, the quantity of axial venthole and radial venthole, structure and
Shape can be changed and combine in reasonable range.
Internal thread segment is arranged on the interconnecting piece 1 of the cigarette holder to connect with electronic cigarette main body, it is clear that external screw thread also can be set
Section, or between electronic cigarette main body add gum cover interference fit.
It will be apparent that there is two layers of airflow channel in the present invention, i.e., the first air-flow between shell 2 and the first round tube 5 is logical
The second airflow channel between road and the first round tube 5 and the second round tube 7 can be in the second round tube on the basis of the present embodiment
At least one tube body and corresponding connecting component are added in 7, make the airflow channel for increasing respective numbers in shell 2.Pass through increase
Tube body increases the path of gas mixing, make each tube body is mutually nested, after combination, by outermost inner wall and embedded outer wall it
Between and the tube body of innermost layer between form the compound ring-type airflow channel that multiple circular, tubuloses be distributeds and communicate, make cigarette holder
The interior route that forms gas and can extend through inside it reaches mixing by the synthesis such as the flow-disturbing of airflow channel, turbulent flow, vortex
The purpose of gas.
Further, the plasticity rubber ring with certain taper can also be arranged in 1 inner cavity of interconnecting piece of cigarette holder (not show in figure
Out), or with common cigarette diameter the interference fit hole being adapted, for directly aspirating regular-size cigarette cigarette.When it is used to take out
When inhaling regular-size cigarette cigarette, because the flue gas partial size that Cigarette generates when burning is larger, when being aspirated using this cigarette holder, equally
Haveing the characteristics that generate when the compound air flue by cigarette holder makes flue gas cool-down and keeps partial size bigger, when flue gas further passes through again
When aikido, the harmful components in smog that number molecular weight is big or molecule becomes larger can be detained or be cut in the tube wall of cigarette holder
It stays, for reducing the oxious components such as the tar in traditional cigarette flue gas, improving tobacco aroma has biggish contribution for this；Therefore this hair
The bright flue gas plumpness that cannot be only used for the raisings such as electronic cigarette and smoke panel test improves suction taste, can also be for traditional cigarette of smokeing panel test
When reduce oxious component a kind of new tool, have good market prospects.
In use, suction when, the flue gas from electronic cigarette main body from the ventilation pipe of interconnecting piece 1 enter, and from end into
The end air inlet of gas seat 3 enters the first airflow channel, then passes through the axial admission hole of the first air inlet seat 11, radial air inlet hole
Into the second airflow channel, the logical of the second round tube 7 is entered by the radial venthole of the second air inlet seat 4, axial venthole later
It in feed channel, then flows out, eventually arrives in smoker mouthful, flue gas is flowing through each component from the venthole 13 of sealing plug 12
Afterwards, flue-gas temperature decreased significantly, and during the decline, the partial size in flue gas molecule is also at a temperature of for flue-gas temperature
Drop and and longer distance circulation mixing, partial size also increased, and the satiety of suction electronic cigarette smog can be significantly improved.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. interconnecting piece is arranged in one end of a kind of cigarette holder of air flue radially layered formula, including shell, the shell；The cage connection
Portion is known as head end at one end, and the other end is known as tail end；It is characterized by:
End air inlet seat, the first round tube, the first air inlet seat and middle part is disposed with from head end to tail end in the shell to take out of
The sealing plug of stomata；
The second air inlet seat and the second circle are disposed with from one end to the other end by close end air inlet seat in first round tube
Pipe；
The end air inlet seat is a plectane, and the outer rim of the plectane contacts with outer casing inner wall and is provided with end ventilation in its outer rim
Hole；The end air inlet seat is connect with the abutting end hermetic seal of the first round tube；
First air inlet seat is the annulus with stepped cross-section, the outer rim and outer casing inner wall of the biggish single order of annulus outer diameter
It is provided with axial venthole in contact and its outer rim, another rank contacts with sealing plug and its end is provided with radial venthole；
First air inlet seat is connect with the first round tube hermetic seal；
Second air inlet seat is the annulus with stepped cross-section, the outer rim and the first round tube of the biggish single order of annulus outer diameter
It is provided with axial venthole in inner wall contact and its outer rim, another rank contacts with end air inlet seat and its end is provided with radial direction
Venthole；Second air inlet seat is connect with the second round tube hermetic seal；
The outer rim of the sealing plug is connect with outer casing inner wall hermetic seal, and end face is connect with the end hermetic seal of the second round tube,
On venthole be located in the caliber of the second round tube；
The first airflow channel is constituted between the shell and the first round tube, constitutes second between first round tube and the second round tube
Airflow channel；
The first flow-disturbing circle is set on the outer wall of first round tube；The outer rim of the first flow-disturbing circle contacted with outer casing inner wall and
The first flow-disturbing hole is provided in its outer rim.
2. the cigarette holder of air flue radially layered formula according to claim 1, it is characterised in that: covered on the outer wall of second round tube
Equipped with the second flow-disturbing circle；The outer rim of the second flow-disturbing circle contacts with the first round tube inner wall and is provided with the second flow-disturbing in its outer rim
Hole.
3. the cigarette holder of air flue radially layered formula according to claim 2, it is characterised in that: on first round tube, be located at the
The two sides of one flow-disturbing circle are respectively installed with the first positioning sleeve of axially position the first flow-disturbing circle；On second round tube, it is located at the
The two sides of two flow-disturbing circles are respectively installed with the second positioning sleeve of axially position the second flow-disturbing circle.
4. the cigarette holder of air flue radially layered formula according to claim 1, it is characterised in that: the plectane of the end air inlet seat with
The clamping connection of first round tube.
5. the cigarette holder of air flue radially layered formula according to claim 2, it is characterised in that: the plectane of the end air inlet seat with
The clamping connection of first round tube.
6. the cigarette holder of air flue radially layered formula according to claim 1, it is characterised in that: the annulus of first air inlet seat with
The clamping connection of first round tube.
7. the cigarette holder of air flue radially layered formula according to claim 2, it is characterised in that: the annulus of first air inlet seat with
The clamping connection of first round tube.
8. the cigarette holder of air flue radially layered formula according to claim 1, it is characterised in that: the annulus of second air inlet seat with
The clamping connection of second round tube.
9. the cigarette holder of air flue radially layered formula according to claim 2, it is characterised in that: the annulus of second air inlet seat with
The clamping connection of second round tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251041.7A CN105707984B (en) | 2016-04-20 | 2016-04-20 | A kind of cigarette holder of air flue radially layered formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251041.7A CN105707984B (en) | 2016-04-20 | 2016-04-20 | A kind of cigarette holder of air flue radially layered formula |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105707984A CN105707984A (en) | 2016-06-29 |
| CN105707984B true CN105707984B (en) | 2019-08-09 |
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ID=56160408
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610251041.7A Active CN105707984B (en) | 2016-04-20 | 2016-04-20 | A kind of cigarette holder of air flue radially layered formula |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106510002A (en) * | 2016-12-20 | 2017-03-22 | 惠州市吉瑞科技有限公司深圳分公司 | Atomizer |
| WO2018112765A1 (en) * | 2016-12-20 | 2018-06-28 | 惠州市吉瑞科技有限公司深圳分公司 | Vaporizer mouthpiece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1178061A (en) * | 1966-02-08 | 1970-01-14 | Josef Streule | Cigarette or Cigar Filter |
| US4038994A (en) * | 1975-11-10 | 1977-08-02 | Aikman Leslie N | Tobacco smoke filter unit |
| EP0033772A1 (en) * | 1980-02-08 | 1981-08-19 | Petrus Sarabèr | Filter with a long smoke duct to render smoking less harmful |
| CN2237949Y (en) * | 1996-03-11 | 1996-10-23 | 王洪滨 | Cigarette tar filter |
| CN201222975Y (en) * | 2008-06-04 | 2009-04-22 | 金权明 | Cigarette holders and filter |
| CN205648926U (en) * | 2016-04-20 | 2016-10-19 | 云南中烟工业有限责任公司 | Cigarette holder of radial layer -stepping of air flue |
-
2016
- 2016-04-20 CN CN201610251041.7A patent/CN105707984B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1178061A (en) * | 1966-02-08 | 1970-01-14 | Josef Streule | Cigarette or Cigar Filter |
| US4038994A (en) * | 1975-11-10 | 1977-08-02 | Aikman Leslie N | Tobacco smoke filter unit |
| EP0033772A1 (en) * | 1980-02-08 | 1981-08-19 | Petrus Sarabèr | Filter with a long smoke duct to render smoking less harmful |
| CN2237949Y (en) * | 1996-03-11 | 1996-10-23 | 王洪滨 | Cigarette tar filter |
| CN201222975Y (en) * | 2008-06-04 | 2009-04-22 | 金权明 | Cigarette holders and filter |
| CN205648926U (en) * | 2016-04-20 | 2016-10-19 | 云南中烟工业有限责任公司 | Cigarette holder of radial layer -stepping of air flue |
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| Publication number | Publication date |
|---|---|
| CN105707984A (en) | 2016-06-29 |
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