CN105686082A

CN105686082A - Variable cavity size internal pressure tar extrusion cigarette holder

Info

Publication number: CN105686082A
Application number: CN201610149542.4A
Authority: CN
Inventors: 周洪革
Original assignee: Individual
Current assignee: Dongguan Black Horse Electronic Technology Co ltd
Priority date: 2016-01-18
Filing date: 2016-03-16
Publication date: 2016-06-22
Anticipated expiration: 2036-03-16
Also published as: CN105686082B

Abstract

The invention discloses a variable cavity size internal pressure tar extrusion cigarette holder. The cigarette holder comprises a cigarette insertion tube and a suction nozzle. A smoke inlet channel and a smoke outlet channel are arranged in the suction nozzle. A tar collection cavity is formed between the outer wall of the suction nozzle and the inner wall of the cigarette insertion tube. Smoke inlets are communicated with the smoke inlet channel and the tar collection cavity. The tar collection cavity is provided with extrusion holes. A rear one-way sealing piece is arranged at the outer end of each air inlet. A front one-way sealing piece is arranged between each extrusion hole and a tar accumulation cavity. After the suction nozzle moves towards a cigarette insertion opening, the smoke inlets and smoke outlets are blocked by the cigarette insertion tube, the front one-way sealing piece is pushed away by the pressure in the tar collection cavity, and then a tar discharging channel is formed by the tar collection cavity and the extrusion holes. In the tar clearing process, the suction nozzle and the cigarette insertion tube are pushed and pulled to change the size of the tar collection cavity, tar gathered in the tar collection cavity is extruded to the tar accumulation cavity in a fixed direction according to the working principle of a one-way valve or extruded to the cigarette insertion opening through the tar accumulation cavity from the tar collection cavity, the tar adheres to a butt in the cigarette insertion opening, and the tar is carried away every time the butt is discarded.

Description

Become cavity volume inner pressed extrusion tar cigarette holder

Technical field

The present invention relates to a kind of smoking set, particularly a kind of change cavity volume inner pressed extrusion tar cigarette holder without dismantling and cleaning。

Background technology

It is known that Smoking is harmful to your health, because containing carcinogens such as nicotine, tar, ammonia, benzene in medicated cigarette。But smoking has been the custom that people form in permanent live and work, it is not easy to give up, for this, reducing smoker's suction to harmful substance by one good cigarette holder of use is the way done something against one's will。

The structure of cigarette holder on the market is typically all and offers some apertures on the chimney filter be provided with exhaust gases passes at present, sheathed one there is the sleeve pipe of smooth inner wall again outside chimney filter, when flue gas passes through, according to wall attachment effect orifice jet principle and condensation principle, tar conversion in flue gas becomes liquid and is attached to internal surface of sleeve pipe, and the flue gas after filtering is discharged。Owing to the distance entering cigarette aperture and internal surface of sleeve pipe on chimney filter can not be too remote, so the finite volume of shoe cream room, more tar cannot be held, in general within the cycle smoking 10, namely tar fill up this segment space and overflow, if cleared up not in time, smoker will by the tar of liquid together with, in flue gas suction inlet, the healthy of smoker and mouthfeel being caused ill effect more。

Therefore the cleaning for the tar of cigarette holder inner accumulated is just particularly important, inhale a deck and will clear up at least two or more times of the tar in cigarette holder, that clears up the needs carefulness of the tar in cigarette holder disassembles cigarette holder part, the tar gathered with water cleaning or napkin wiping again, enter the tar in cigarette aperture also to dredge with fine needle, so cleaning cigarette holder is very dirty pretty troublesome brings great inconvenience to smoker, thus cannot promote the use of。

Summary of the invention

The purpose of the present invention, it is in that providing a kind of becomes cavity volume inner pressed extrusion tar cigarette holder, the process of its cleaning tar need not disassemble cigarette holder part, the cavity volume of collection chamber is changed by simple push pull maneuver, tar is expressed into slotting mouth by the operation principle using check valve, tar is absorbed by the sponge inserting the stub head in mouth, takes away tar while losing stub every time。

This invention address that the solution of its technical problem is: become cavity volume inner pressed extrusion tar cigarette holder, including slotting smoke pipe assembly and suction nozzle, the interior front of described slotting smoke pipe assembly is provided with slotting mouth, described suction nozzle is internally provided with the fume inlet passage and smoke-outlet flue that directly do not connect mutually, behind the position, middle part of the described slotting smoke pipe assembly of suction nozzle one end insertion comprising described fume inlet passage, fume inlet passage directly connects with slotting mouth, and between outer wall and the inwall of slotting smoke pipe assembly of described suction nozzle, form collection chamber, described fume inlet passage inboard is provided with several smoke intaking hole being radially arranged, described smoke intaking hole connection fume inlet passage and collection chamber, described smoke-outlet flue inboard is sequentially provided with several air inlet being radially arranged and several venthole being radially arranged, described venthole and air inlet are respectively communicated with smoke-outlet flue and collection chamber, also include the extrusion cavities connecting described collection chamber, described slotting smoke pipe assembly is provided with the long-pending oil pocket directly or indirectly connected with extrusion cavities, the one end being positioned at collection chamber in described air inlet is provided with rear one-way seals, one-way seals before being provided with between extrusion cavities and long-pending oil pocket, after described suction nozzle moves toward slotting mouth, smoke intaking hole and venthole are inserted smoke pipe assembly and are blocked, described front one-way seals is pushed open rear collection chamber by the pressure in collection chamber, extrusion cavities and long-pending oil pocket form oil discharge passage。

Further improvement as technique scheme, described slotting smoke pipe assembly includes inserting smoke pipe and being threaded in the sleeve pipe of slotting smoke pipe outer surface, described collection chamber is between the inwall and the outer wall of suction nozzle of slotting smoke pipe, the rear portion of described slotting mouth is provided with first step, the internal diameter of described first step is less than the internal diameter of slotting mouth, the internal diameter of described first step is equal to the external diameter being provided with fume inlet passage in described suction nozzle, after described suction nozzle moves toward slotting mouth, smoke intaking hole and venthole are blocked by the inwall of first step, described front one-way seals is pushed open rear collection chamber by the pressure in collection chamber and is connected with long-pending oil pocket。

Further improvement as technique scheme, long-pending oil pocket is formed between inwall and the outer wall of slotting smoke pipe of described sleeve pipe, described slotting smoke pipe outer wall is disposed with, along smoke-outlet flue toward inserting mouth direction, second step, the 3rd step and the 4th step that external diameter tapers into, described extrusion cavities is positioned at the 3rd step, one end of described front one-way seals is fixed between the outer wall of second step and the inwall of sleeve pipe, and the other end of front one-way seals extends outward and is wrapped in the outer surface of the 3rd step。

Further improvement as technique scheme, described slotting smoke pipe outer wall is provided with a cannelure, described cannelure is described long-pending oil pocket, described slotting smoke pipe outer wall is disposed with second step along smoke-outlet flue toward inserting mouth direction, 3rd step and the 4th step, described extrusion cavities and long-pending oil pocket are positioned at the 3rd step, the external diameter of described 3rd step is less than the external diameter of second step or the 4th step, one end of described front one-way seals is fixed between the outer wall of second step and the inwall of sleeve pipe, the other end of front one-way seals is embedded in after upwardly extending bending after extending outward and being wrapped in the outer surface of the 3rd step between outer wall and the inwall of sleeve pipe of the 4th step。

As the further improvement of technique scheme, being provided with rear sealing member near the position of air inlet in described suction nozzle and slotting smoke pipe, described rear sealing member is O RunddichtringO or Y shape one-way seals。

Further improvement as technique scheme, described slotting smoke pipe assembly includes inserting smoke pipe and being embedded in the sleeve pipe between suction nozzle and slotting smoke pipe, form collection chamber between inwall and the outer wall of suction nozzle of described sleeve pipe, between outer wall and the inwall of slotting smoke pipe of sleeve pipe, form long-pending oil pocket。

Further improvement as technique scheme, the front portion of described sleeve pipe is provided with first step, the internal diameter of described first step is less than the internal diameter of slotting mouth, the internal diameter of described first step is equal to the external diameter being provided with fume inlet passage in described suction nozzle, after described suction nozzle moves toward slotting mouth, smoke intaking hole and venthole are blocked by the inwall of first step, and described front one-way seals is pushed open rear collection chamber by the pressure in collection chamber and connected with long-pending oil pocket。

Further improvement as technique scheme, described sleeve outer wall is disposed with, along smoke-outlet flue toward inserting mouth direction, second step, the 3rd step and the 4th step that external diameter tapers into, described extrusion cavities is positioned at the 3rd step, one end of described front one-way seals is fixed between the outer wall of second step and the inwall of slotting smoke pipe, the other end of front one-way seals extends and is wrapped in the outer surface of the 3rd step outward, or described front one-way seals is fixed in the groove of the 4th step。

As the further improvement of technique scheme, described sleeve pipe includes being enclosed within the first of suction nozzle outer surface and manages and manage the second pipe between slotting smoke pipe first。

Further improvement as technique scheme, also include the wing passage connecting long-pending oil pocket and slotting mouth, described wing passage is arranged on slotting smoke pipe or is made up of the annulus formed between slotting smoke pipe and sleeve pipe, and front end or the rear end of described long-pending oil pocket are provided with O RunddichtringO。

As the further improvement of technique scheme, described front one-way seals is Y shape one-way seals。

The invention has the beneficial effects as follows: flue gas is injected collection chamber from smoke intaking hole and is ejected into the inwall of slotting smoke pipe assembly or collection chamber, during cleaning tar, suction nozzle and slotting smoke pipe are done push pull maneuver, thus changing the cavity volume of collection chamber, the tar orientation that the operation principle of check valve will accumulate in collection chamber is used to be expressed into long-pending oil pocket, or it is expressed into slotting mouth from collection chamber through long-pending oil pocket, tar is attached on the stub in slotting mouth, take away tar while losing stub every time, the process of described cleaning tar only needs do a push pull maneuver without disassembling part, the tar of extrusion is taken away without additionally cleaning and wiping by stub, use extremely simple convenience, it is easier to promote the use of。

Accompanying drawing explanation

In order to be illustrated more clearly that the technical scheme in the embodiment of the present invention, below the accompanying drawing used required during embodiment is described is briefly described。Obviously, described accompanying drawing is a part of embodiment of the present invention, rather than whole embodiment, and those skilled in the art is under the premise not paying creative work, it is also possible to obtain other designs and accompanying drawing according to these accompanying drawings。

Fig. 1 is the structural representation of embodiments of the invention one；

Fig. 2 is the embodiments of the invention one structural representations when extruding tar；

Fig. 3 is the structural representation of embodiments of the invention two；

Fig. 4 is the structural representation of embodiments of the invention three；

Fig. 5 is the structural representation of embodiments of the invention four；

Fig. 6 is the embodiments of the invention four structural representations when extruding tar；

Fig. 7 is the structural representation of embodiments of the invention five；

Fig. 8 is the structural representation of embodiments of the invention six。

Detailed description of the invention

Below with reference to embodiment and accompanying drawing, the technique effect of the design of the present invention, concrete structure and generation is clearly and completely described, to be completely understood by the purpose of the present invention, feature and effect。Obviously; described embodiment is a part of embodiment of the present invention, rather than whole embodiment, based on embodiments of the invention; other embodiments that those skilled in the art obtains under the premise not paying creative work, belong to the scope of protection of the invention。It addition, all connection/annexations being previously mentioned in literary composition, not singly refer to that component directly connects, and refer to and according to being embodied as situation, by adding or reduce connection auxiliary, more excellent draw bail can be formed。

With reference to the embodiment one shown in Fig. 1～Fig. 2, the change cavity volume inner pressed extrusion tar cigarette holder of the present invention, including slotting smoke pipe 1, suction nozzle 2, sleeve pipe 3, front one-way seals 4, rear one-way seals 5, rear sealing member 6, described slotting smoke pipe 1 hollow, the inwall front portion inserting smoke pipe 1 is provided with slotting mouth 12, the rear portion inserting mouth 12 is provided with first step 13, the inner diameter of first step 13 is less than the inner diameter of slotting mouth 12, the rearward diameter of first step 13 becomes big until inserting the rear end of smoke pipe 1, the rear portion of first step 13 is provided with several extrusion cavities 14 being radially arranged, the middle part outer wall inserting smoke pipe 1 is provided with front one-way seals 4, the front central of described suction nozzle 2 is provided with fume inlet passage 21, fume inlet passage 21 inboard is provided with several smoke intaking hole 22 being radially arranged, the posterior center of suction nozzle 2 is provided with smoke-outlet flue 23, smoke-outlet flue 23 inboard is sequentially provided with several air inlet 24 being radially arranged and several venthole 25 being radially arranged, smoke intaking hole 22 is less than venthole 25, flue gas is made to flow through the higher speed flowing through venthole 25 of the speed of smoke intaking hole 22 relatively low, the first groove it is provided with outside air inlet 24, it is provided with in first groove and is tightly placed in rear one-way seals 5 thereon, air inlet 24 is formed one-way sealing by rear one-way seals 5, the external cylindrical surface in the first groove front coordinates with the inwall clearance seal of the first step 13 of slotting smoke pipe 1, this gap seals to coordinate and plays certain sealing function, fume inlet passage 21 does not directly connect with smoke-outlet flue 23, the middle part in the outside of suction nozzle 2 is provided with the 5th step 26 of a projection, it is provided with the second groove in the middle part of 5th step 26, rear sealing member 6 it is provided with in second groove, the rear inside wall of rear sealing member 6 and slotting smoke pipe 1 closely cooperates, so that the rear inside wall of the 5th step 26 of suction nozzle 2 and slotting smoke pipe 1 is formed and seals, described sleeve pipe 3 hollow, the rear end face inwall of sleeve pipe 3 is provided with the 6th step 31, the internal diameter of the 6th step 31 is less than the external diameter of the 5th step 26 of suction nozzle 2, insert the outer wall of smoke pipe 1 front portion and the inwall matched in clearance of sleeve pipe 3 front portion, sleeve pipe 3 is fixing with slotting smoke pipe 1 to be connected, insert smoke pipe 1, suction nozzle 2, sleeve pipe 3, front one-way seals 4, rear one-way seals 5, the combination of rear sealing member 6 forms collection chamber 11 and long-pending oil pocket 15, collection chamber 11 is tar collecting region, long-pending oil pocket 15 is tar accumulation area, smoke intaking hole 22, venthole 25, air inlet 24, extrusion cavities 14 all connects with collection chamber 11。

The cigarette holder structure of smoke filtration state time as mentioned above for smoking, flow of flue gas situation during smoke filtration is: flue gas from be inserted in the medicated cigarette of slotting mouth 12 out after, flue gas flows through fume inlet passage 21, because hole less flow of flue gas speed is significantly high when through smoke intaking hole 22, flue gas high velocity jet to insert smoke pipe 1 inwall, according to wall attachment effect orifice jet principle and condensation principle, tar conversion in flue gas becomes liquid and is attached to the inwall of slotting smoke pipe 1, flue gas enters into smoke-outlet flue 23 by collection chamber 11 through venthole 25, after smoke-outlet flue 23 outflow namely in smoker's mouth。

Negative pressure needed for smoking is provided by the face of people, this negative pressure less when this negative pressure before one-way seals 4 be in sealing state, by the precompression of one-way seals 5 after increasing, make rear one-way seals 5 now be also at the state sealed。

After sucking a cigarette or several cigarettes, in collection chamber 11, have accumulated more tar need cleaning, now slotting smoke pipe 1 and suction nozzle 2 are extruded to cigarette holder center, the process of this extruding be exactly the volume of collection chamber 11 gradually reduce be zero process, also it is the process that the tar in collection chamber 11 is expressed into long-pending oil pocket 15 or slotting mouth 12 simultaneously, in extrusion process gradually, smoke intaking hole 22 and venthole 25 sequentially pass through extrusion cavities 14, now collection chamber 11 is initially located in air-tight state, continue to extrude gradually, air pressure in collection chamber 11 is gradually increased, after under this air pressure, one-way seals 5 is in sealing state, after air pressure in collection chamber 11 reaches the marginal value that front one-way seals 4 is opened, the passage opened on flue gas in collection chamber 11 and the extruded hole of tar 14 and front one-way seals 4 and the 3rd step is discharged to long-pending oil pocket 15, being expressed to the volume of collection chamber 11 during the limit is zero, Fig. 2 extrudes the state that tar completes。Followed by the process resetted, slotting smoke pipe 1 and suction nozzle 2 are retracted initial position gradually, in the process drawn, bigger negative pressure in collection chamber 11, is formed because the pulling force of finger is relatively big, before under this negative pressure, one-way seals 4 is in sealing state, when after the marginal value that one-way seals 5 after negative pressure reaches is opened, outside air through air inlet 24 and after one-way seals 5 enter in collection chamber 11, volume in collection chamber 11 is gradually increased, when venthole 25 starts to contact with the front end face of collection chamber 11, venthole 25 and collection chamber 11 begin to be in connected state, collection chamber 11 initially enters non-air-tight state, pull on until having resetted。The above-mentioned process completing extrusion tar once a crowded action drawn, this process make use of the operation principle of check valve, one in front and one in back it is provided with two one-way seals, the direction of two one-way seals is all that air flow direction seals backward to front opening, so in the process of collection chamber 11 change in volume air-flow can only flow forward and can not flow backward, tar also with air-flow orientation flow forward, is discharged to when the tar of long-pending oil pocket 15 fills up and needs cleaning tar。

Embodiment two as shown in Figure 3 adds groove on the basis of embodiment one as shown in Figure 1 and O RunddichtringO 8 makes to insert smoke pipe 1 and is being here formed as sealing with sleeve pipe 3, also add wing passage 7 and makes the tar in long-pending oil pocket 15 can only be discharged to slotting mouth 12 from wing passage 7。

The cigarette holder structure chart of smoke filtration state when Fig. 3 is the smoking of embodiment two, flow of flue gas situation when flow of flue gas situation during smoke filtration is with the smoke filtration of embodiment one is identical。

Embodiment two is when clearing up tar, embodiment one clear up tar process basis on add the process that the tar in long-pending oil pocket 15 is discharged to slotting mouth 12 through wing passage 7, after tar is discharged to slotting mouth 12, tar can be absorbed by the sponge of stub head, and when losing stub, tar also cleaning simultaneously completes。

Embodiment three as shown in Figure 4 is on the basis of embodiment two as shown in Figure 3, change rear sealing member 6 into Y shape one-way seals, make to insert smoke pipe 1 and suction nozzle 2 be here formed as one-way sealing and unidirectional opening, front one-way seals 4 changes Y shape one-way seals into, make to insert smoke pipe 1 and sleeve pipe 3 at the one-way sealing being here formed as between extrusion cavities 14 and long-pending oil pocket 15 and unidirectional to open, increase O RunddichtringO 8 and make to insert smoke pipe 1 and sleeve pipe 3 and seal being here formed as。

With reference to the embodiment four shown in Fig. 5～Fig. 6, embodiment four and embodiment one are distinctive in that, sleeve pipe 3 is arranged between slotting smoke pipe 1 and suction nozzle 2。Sleeve pipe 3 is to assemble by being enclosed within the first pipe 31 of suction nozzle outer surface and the second pipe 32 between the first pipe 31 and slotting smoke pipe 1, first step 13 is positioned at the inner surface of the first pipe 31, second step, the 3rd step and the 4th step are positioned at the outer surface of the first pipe, collection chamber 11 is formed between inwall and the outer wall of suction nozzle 2 of the first pipe 31, long-pending oil pocket 15 is formed between outer wall and the inwall of slotting smoke pipe 1 of the first pipe 31, described extrusion cavities 14 directly or indirectly connected set oil pocket 11 and long-pending oil pocket 15, described rear one-way seals 5 is positioned at collection chamber 11。

Embodiment four is when clearing up tar, and its process is the same with embodiment two。

Embodiment five as shown in Figure 7 is on the basis of embodiment four as shown in Figure 5, change rear sealing member 6 into Y shape one-way seals, the first pipe 31 and suction nozzle 2 is made to be here formed as one-way sealing and unidirectional open, front one-way seals 4 changes Y shape one-way seals into, make to insert smoke pipe 1 and the first pipe 31 at the one-way sealing being here formed as between extrusion cavities 14 and long-pending oil pocket 15 and unidirectional to open, increase O RunddichtringO 8 and make to insert smoke pipe 1 and be here formed as sealing with the first pipe 31。Embodiment five is when clearing up tar, and its process is the same with embodiment four。

Embodiment six as shown in Figure 8, insert and smoke pipe 1 outer wall is provided with a cannelure, cannelure is described long-pending oil pocket 15, insert smoke pipe 1 outer wall and set gradually second step along smoke-outlet flue 23 toward inserting mouth 12 direction, 3rd step and the 4th step, extrusion cavities and long-pending oil pocket are positioned at the 3rd step, the external diameter of the 3rd step is less than the external diameter of second step or the 4th step, one end of front one-way seals 4 is fixed between the outer wall of second step and the inwall of sleeve pipe 3, the other end of front one-way seals 4 is embedded in after upwardly extending bending after extending outward and being wrapped in the outer surface of the 3rd step between outer wall and the inwall of sleeve pipe 3 of the 4th step。Embodiment six is to eliminate O RunddichtringO 8 on the basis of embodiment two, front one-way seals 4 is lengthened, wing passage 7 connects with the side of long-pending oil pocket 15, the inwall extruding of the 4th step and sleeve 3 that the rear end of front one-way seals 4 is wrapped in extrusion cavities 14 rear is formed and seals, the front end of front one-way seals 4 is wrapped in the 4th step in the front of wing passage 7, during extrusion, front one-way seals 4 is backed down by the pressure in collection chamber 11, arrives and insert bottom mouth 12 after the extruded hole 14 of tar, long-pending oil pocket 15, wing passage 7。It is simpler that this embodiment can save an O RunddichtringO, processing and assembling。

It is above the better embodiment of the present invention has been illustrated, but the invention is not limited to described embodiment, those of ordinary skill in the art also can make all equivalent modifications or replacement under the premise without prejudice to spirit of the present invention, and these equivalent modification or replacement are all contained in the application claim limited range。

Claims

1. become cavity volume inner pressed extrusion tar cigarette holder, including slotting smoke pipe assembly and suction nozzle, it is characterized in that: the interior front of described slotting smoke pipe assembly is provided with slotting mouth, described suction nozzle is internally provided with the fume inlet passage and smoke-outlet flue that directly do not connect mutually, behind the position, middle part of the described slotting smoke pipe assembly of suction nozzle one end insertion comprising described fume inlet passage, fume inlet passage directly connects with slotting mouth, and between outer wall and the inwall of slotting smoke pipe assembly of described suction nozzle, form collection chamber, described fume inlet passage inboard is provided with several smoke intaking hole being radially arranged, described smoke intaking hole connection fume inlet passage and collection chamber, described smoke-outlet flue inboard is sequentially provided with several air inlet being radially arranged and several venthole being radially arranged, described venthole and air inlet are respectively communicated with smoke-outlet flue and collection chamber, also include the extrusion cavities connecting described collection chamber, described slotting smoke pipe assembly is provided with the long-pending oil pocket directly or indirectly connected with extrusion cavities, the one end being positioned at collection chamber in described air inlet is provided with rear one-way seals, one-way seals before being provided with between extrusion cavities and long-pending oil pocket, after described suction nozzle moves toward slotting mouth, smoke intaking hole and venthole are inserted smoke pipe assembly and are blocked, described front one-way seals is pushed open rear collection chamber by the pressure in collection chamber, extrusion cavities and long-pending oil pocket form oil discharge passage。

2. change cavity volume inner pressed according to claim 1 extrusion tar cigarette holder, it is characterized in that: described slotting smoke pipe assembly includes inserting smoke pipe and being threaded in the sleeve pipe of slotting smoke pipe outer surface, described collection chamber is between the inwall and the outer wall of suction nozzle of slotting smoke pipe, the rear portion of described slotting mouth is provided with first step, the internal diameter of described first step is less than the internal diameter of slotting mouth, the internal diameter of described first step is equal to the external diameter being provided with fume inlet passage in described suction nozzle, after described suction nozzle moves toward slotting mouth, smoke intaking hole and venthole are blocked by the inwall of first step, described front one-way seals is pushed open rear collection chamber by the pressure in collection chamber and is connected with long-pending oil pocket。

3. change cavity volume inner pressed according to claim 2 extrusion tar cigarette holder, it is characterized in that: between inwall and the outer wall of slotting smoke pipe of described sleeve pipe, form long-pending oil pocket, described slotting smoke pipe outer wall is disposed with, along smoke-outlet flue toward inserting mouth direction, second step, the 3rd step and the 4th step that external diameter tapers into, described extrusion cavities is positioned at the 3rd step, one end of described front one-way seals is fixed between the outer wall of second step and the inwall of sleeve pipe, and the other end of front one-way seals extends outward and is wrapped in the outer surface of the 3rd step。

4. change cavity volume inner pressed according to claim 2 extrusion tar cigarette holder, it is characterized in that: described slotting smoke pipe outer wall is provided with a cannelure, described cannelure is described long-pending oil pocket, described slotting smoke pipe outer wall is disposed with second step along smoke-outlet flue toward inserting mouth direction, 3rd step and the 4th step, described extrusion cavities and long-pending oil pocket are positioned at the 3rd step, the external diameter of described 3rd step is less than the external diameter of second step or the 4th step, one end of described front one-way seals is fixed between the outer wall of second step and the inwall of sleeve pipe, the other end of front one-way seals is embedded in after upwardly extending bending after extending outward and being wrapped in the outer surface of the 3rd step between outer wall and the inwall of sleeve pipe of the 4th step。

5. the change cavity volume inner pressed extrusion tar cigarette holder according to Claims 2 or 3 or 4, it is characterised in that: being provided with rear sealing member near the position of air inlet in described suction nozzle and slotting smoke pipe, described rear sealing member is O RunddichtringO or Y shape one-way seals。

6. change cavity volume inner pressed according to claim 1 extrusion tar cigarette holder, it is characterized in that: described slotting smoke pipe assembly includes inserting smoke pipe and being embedded in the sleeve pipe between suction nozzle and slotting smoke pipe, collection chamber is formed between inwall and the outer wall of suction nozzle of described sleeve pipe, long-pending oil pocket, described extrusion cavities directly or indirectly connected set oil pocket and long-pending oil pocket is formed between outer wall and the inwall of slotting smoke pipe of sleeve pipe。

7. change cavity volume inner pressed according to claim 6 extrusion tar cigarette holder, it is characterized in that: the front portion of described sleeve pipe is provided with first step, the internal diameter of described first step is less than the internal diameter of slotting mouth, the internal diameter of described first step is equal to the external diameter being provided with fume inlet passage in described suction nozzle, after described suction nozzle moves toward slotting mouth, smoke intaking hole and venthole are blocked by the inwall of first step, and described front one-way seals is pushed open rear collection chamber by the pressure in collection chamber and connected with long-pending oil pocket。

8. the change cavity volume inner pressed extrusion tar cigarette holder according to claim 6 or 7, it is characterized in that: described sleeve outer wall is disposed with, along smoke-outlet flue toward inserting mouth direction, second step, the 3rd step and the 4th step that external diameter tapers into, described extrusion cavities is positioned at the 3rd step, one end of described front one-way seals is fixed between the outer wall of second step and the inwall of slotting smoke pipe, the other end of front one-way seals extends and is wrapped in the outer surface of the 3rd step outward, or described front one-way seals is fixed in the groove of the 4th step。

9. the change cavity volume inner pressed extrusion tar cigarette holder according to claim 6 or 7, it is characterised in that: described sleeve pipe includes being enclosed within the first of suction nozzle outer surface and manages and manage the second pipe between slotting smoke pipe first。

10. the change cavity volume inner pressed extrusion tar cigarette holder according to Claims 2 or 3 or 4 or 6 or 7, it is characterized in that: also include the wing passage connecting long-pending oil pocket and slotting mouth, described wing passage is arranged on slotting smoke pipe or is made up of the annulus formed between slotting smoke pipe and sleeve pipe, and front end or the rear end of described long-pending oil pocket are provided with O RunddichtringO。

11. the change cavity volume inner pressed extrusion tar cigarette holder according to claim 1 or 2 or 6 or 7, it is characterised in that: described front one-way seals is Y shape one-way seals。