CN207897889U

CN207897889U - Suction unit

Info

Publication number: CN207897889U
Application number: CN201721776118.9U
Authority: CN
Inventors: 不公告发明人
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2017-06-07
Filing date: 2017-06-07
Publication date: 2018-09-25
Anticipated expiration: 2027-06-07
Also published as: CN206791622U

Abstract

A kind of suction unit, including cigarette holder component, cigarette expects pipe, smoke path and check valve.Cigarette holder component offers venthole, and cigarette material combustion chamber is provided in cigarette expects pipe, and smoke path is connected to venthole and cigarette material combustion chamber respectively.Check valve and venthole cooperation and allow air-flow flow to by venthole the open position of cigarette holder component and blocking air-flow the closed position of venthole is flowed to by cigarette holder component between move.In the utility model suction unit, when smog flows into cigarette holder component by smoke path, check valve can be opened under the effect of smog pressure, and smog can be flowed in by venthole in cigarette holder component；And when air-flow flows to venthole by cigarette holder component, check valve is closed under stream pressure effect, so that air-flow can not flow to venthole by cigarette holder component, ensure that will not because of user by cigarette holder component blow and in cigarette expects pipe cigarette material or cigarette ash blow away, improve user experience.

Description

Suction unit

Technical field

The utility model is related to a kind of suction units for the cigarette material that burns.

Background technology

Currently, the operation principle of suction unit is in the market, the cigarette material directly to be burnt in cigarette expects pipe with lighter passed through Filter tip is aspirated.In user's aspiration procedure, since ventilation makes the air-flow by being breathed out in mouth usually by venthole adverse current Enter in cigarette expects pipe so that cigarette ash or unburned cigarette the material quilt under the action of air-flow of exhalation that leading portion burning generates in cigarette expects pipe It blows away or drops out, influence the Experience Degree of user.

Utility model content

In the utility model, air-flow is prevented to be blown into smoke path by cigarette holder component to solve the above problems, providing one kind Suction unit.

A kind of suction unit, the suction unit include cigarette holder component, cigarette expects pipe, smoke path and check valve, described Cigarette holder component offers venthole, is provided with cigarette material combustion chamber in the cigarette expects pipe, the smoke path respectively with the smoke Hole is connected to the cigarette material combustion chamber, and the check valve coordinates with the venthole and air-flow is being allowed to be flowed to by the venthole The open position of the cigarette holder component and blocking air-flow move between flowing to the closed position of the venthole by the cigarette holder component It is dynamic.

The cigarette holder component includes cigarette holder and connector, one end assembly of the connector in one of the embodiments, In in the cigarette expects pipe, the cigarette holder is set on the connector and is stretched on outside the cigarette expects pipe, is set in the connector Be equipped with the fixing groove for being connected to the cigarette holder, the venthole through the one end of the connector far from the cigarette holder and with it is described solid Determine slot connection, the relatively described venthole of the check valve can be opened and closed to be set in the fixing groove.

The fixing groove includes interconnected the first slot section and the second slot section in one of the embodiments, it is described go out Cigarette hole is connected to the first slot section, and the second slot section is connected to the cigarette holder, and the check valve can be opened and closed to be isolated from institute It states between the first slot section and the second slot section.

The check valve includes fixing end, valve end and movable end in one of the embodiments, and the fixing end is set It is placed in the first slot section, the valve end is connected between the fixing end and the movable end and can be opened and closed to be isolated from Between the first slot section and the second slot section, the movable end is movably connected in the second slot section.

The suction unit further includes pusher part in one of the embodiments, one end and the cigarette of the pusher part Nozzle assembly connects, and the other end of the pusher part is arranged in along the axial direction of the cigarette expects pipe in the cigarette expects pipe, the cigarette expects pipe The cigarette material accommodating cavity being inside additionally provided between the cigarette holder component and the cigarette material combustion chamber, the pusher part are used to be cigarette Expect that the cigarette ash in the cigarette material and cigarette material combustion chamber in accommodating cavity provides driving force.

The smoke path is arranged in the pusher part or is arranged in the cigarette expects pipe in one of the embodiments, It is interior.

The pusher part includes bar portion, pusher portion and air flue sealing element, the pusher portion packet in one of the embodiments, The double helix blade of the bar portion periphery is included along the bar portion axial screw and is arranged at intervals at, the air flue sealing element is helically Shape sealed set is in the double helix blade far from the bar portion in one end of opening, the air flue sealing element and the double helix Blade is enclosed the smoke path.

The pusher part includes bar portion and pusher portion in one of the embodiments, and the smoke path is along the bar portion It is axially set in the bar portion, the pusher portion is the external spiral being set to along the bar portion axial screw in the bar portion Slot, alternatively, the pusher portion is the single-screw blade being set to along the bar portion axial screw in the bar portion.

The pusher part includes bar portion and pusher portion in one of the embodiments, and the smoke path is the cigarette material Space between pipe and the pusher part, the pusher portion is the single spiral shell being set to along the bar portion axial screw in the bar portion Vane piece.

The suction unit further includes filtration members in one of the embodiments, and the filtration members are set to the connection Between part and the cigarette holder, and flowed by the venthole on the flow path of the cigarette holder positioned at smog.

In the utility model suction unit, when smog flows into cigarette holder component by smoke path, place an order in the effect of smog pressure It can be opened to valve, smog can be flowed in by venthole in cigarette holder component；And when air-flow flows to venthole by cigarette holder component, The lower check valve of stream pressure effect is closed so that air-flow can not be flowed to venthole by cigarette holder component, and ensure that will not be because of use Family by cigarette holder component blow and in cigarette expects pipe cigarette material or cigarette ash blow away, improve user experience.

Description of the drawings

Fig. 1 is the structural schematic diagram of suction unit in the utility model first embodiment；

Fig. 2 is the decomposition diagram of suction unit shown in Fig. 1；

Fig. 3 is the sectional view that check valve is closed in suction unit shown in Fig. 2；

Fig. 4 is the structural schematic diagram of connector in suction unit shown in Fig. 2；

Fig. 5 is the decomposition diagram of pusher part shown in Fig. 2；

Fig. 6 is the sectional view that check valve is in the open state in suction unit shown in Fig. 2；

Fig. 7 is the decomposition diagram of suction unit in the utility model second embodiment；

Fig. 8 is the sectional view of suction unit shown in Fig. 7；

Fig. 9 is the decomposition diagram of suction unit in the utility model 3rd embodiment；

Figure 10 is the sectional view that check valve is closed in suction unit shown in Fig. 9；

Figure 11 is the sectional view that check valve is in the open state in suction unit shown in Fig. 9；

Figure 12 is the decomposition diagram of suction unit in the utility model fourth embodiment；

Figure 13 is the sectional view of suction unit shown in Figure 12.

Specific implementation mode

The utility model is more fully retouched below with reference to relevant drawings for the ease of understanding the utility model, It states.The preferred embodiment of the utility model is given in attached drawing.But the utility model can in many different forms come in fact It is existing, however it is not limited to embodiment described herein.Make public affairs to the utility model on the contrary, purpose of providing these embodiments is The understanding for opening content is more thorough and comprehensive.

It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to To another element or it may be simultaneously present centering elements.

Unless otherwise defined, all of technologies and scientific terms used here by the article is led with the technology for belonging to the utility model The normally understood meaning of technical staff in domain is identical.Terminology used in the description of the utility model herein only be The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes Any and all combinations of one or more relevant Listed Items.

Please refer to Fig. 1 and Fig. 2, in the utility model first embodiment, suction unit 100 is used to burn and store in the inner Cigarette material simultaneously generates the smog sucked for user comprising cigarette expects pipe 10, cigarette holder component 30, pusher part 50 and check valve 70.

Please together referring to Fig. 3, cigarette expects pipe 10 is substantially in the perforative circular tube shaped in both ends comprising the cigarette material for loading cigarette material It accommodating cavity 11 and is connected to cigarette material accommodating cavity 11 using the cigarette material combustion chamber 13 as cigarette material combustion chamber.Cigarette holder component 30 is assemblied in cigarette Expects pipe 10 is provided with one end of cigarette material accommodating cavity 11 and offers venthole 31 thereon, one end and the cigarette holder component 30 of pusher part 50 Connection, the other end of pusher part 50 are arranged in along the axial direction of cigarette expects pipe 10 in cigarette expects pipe 10.Wherein, be formed in pusher part 50 with Cigarette material accommodating cavity 11 is isolated and the smoke path 51 that be connected to venthole 31, is offered on pusher part 50 and is connected to cigarette material combustion chamber 13 With the smoke intaking hole 52 of smoke path 51, check valve 70 coordinates with venthole 31 and air-flow is being allowed to flow to cigarette holder group by venthole 31 The open position of part 30 and blocking air-flow move between flowing to the closed position of venthole 31 by cigarette holder component 30.

As described above, in suction unit 100 provided by the utility model, when cigarette material burns in cigarette material combustion chamber 13 and produces When raw smog, smog will be entered smoke path 51 by smoke intaking hole 52, and be entered in cigarette holder component 30 for user through venthole 31 It sucks.Since smog enters directly into cigarette holder component 30 by the smoke path 51 being isolated with cigarette material accommodating cavity 11, without connecing Unburned cigarette material in cigarette material accommodating cavity 11 is touched, it may therefore be assured that the cigarette ash in cigarette material combustion chamber 13 will not be mixed in smog It is interior and enter in cigarette material accommodating cavity 11, it thereby may be ensured that the freshness of whole cigarette material in cigarette material accommodating cavity 11, improve user The taste experience degree of entire sucking process.

Fig. 2 and Fig. 3 are please referred to, cigarette holder component 30 includes cigarette holder 32 and connector 33.Wherein, cigarette holder 32 is set to connector On 33, and outside projection smoke expects pipe 10, so that user sucks.Pusher part 50 is fixedly connected on connector 33 and along cigarette expects pipe 10 Axial direction be arranged in cigarette expects pipe 10, venthole 31 through be arranged on connector 33, for cigarette material burning generate smog by Smoke path 51 flows out in cigarette holder 32.

Meanwhile being mutually rotatably connected between connector 33 and cigarette expects pipe 10, with the pusher to be set on connector 33 Part 50 provides the driving force of the cigarette ash and unburned cigarette material that push 10 internal combustion of cigarette expects pipe to burn out.More specifically, working as cigarette expects pipe 10 When being fixed, connector 33 can drive pusher part 50 to be rotated relative to cigarette expects pipe 10 under external force, and pusher part 50 can incite somebody to action as a result, The most cigarette ash that burns is released by cigarette material combustion chamber 13 and will be in unburned cigarette material push-in cigarette material combustion chamber 13；When 33 quilt of connector When fixed, cigarette expects pipe 10 opposite joints 33 can rotate under external force so that the most cigarette ash that burns is in 10 tube wall of cigarette expects pipe It is dropped out by cigarette material combustion chamber 13 under the action of frictional force, and unburned cigarette material edge under the action of cigarette 10 tube wall frictional force of expects pipe Pusher part 50 to be threaded into cigarette material combustion chamber 13.

Fig. 3 and Fig. 4 are please referred to, specifically, one end of connector 33 is assemblied in cigarette expects pipe 10, and cigarette holder 32 is set to connection On part 33 and it is stretched on outside cigarette expects pipe 10.Connector 33 is provided with the fixing groove 330 being communicated between venthole 31 and cigarette holder 32, 31 one end of through-connections 33 far from cigarette holder 32 of venthole is simultaneously connected to fixing groove 330, the smog generated for the burning of cigarette material It is flowed out in cigarette holder 32 by smoke path 51.Check valve 70 31 can be opened and closed to be set in fixing groove 330 with respect to venthole, i.e., its It can coordinate with venthole 31 and allow air-flow to flow to the open position of cigarette holder 32 by venthole 31 and stopping air-flow by cigarette holder 32 Flow to the closed position folding of venthole 31.

Fixing groove 330 includes the first slot section 3301 and the second slot section 3303 being arranged along 33 radial communication of connector.Wherein, Venthole 31 is connected to the first slot section 3301, and the second slot section 3303 is connected to cigarette holder 32, and check valve 70 can be opened and closed to be isolated from Between one slot section 3301 and the second slot section 3303.

Incorporated by reference to referring to Fig. 2 and Fig. 3, in a wherein embodiment, check valve 70 is substantially in Z-shaped comprising Gu Fixed end 71, valve end 72 and movable end 73.71 sealed set of fixing end be connected to venthole 31 in the first slot section 3301 one End, valve end 72 is connected between fixing end 71 and movable end 73, and can be opened and closed to be isolated from the first slot section 3301 and the second slot Between section 3303, the circulation path that is used to open or closes between venthole 31 and cigarette holder 32.Movable end 73 movably abuts In in the second slot section 3303.

Continuing with reference to Fig. 3 and Fig. 4, further, in order to reinforce the sealing between fixing end 71 and the first slot section 3301 Property, cigarette holder component 30 further includes sealing block 34, and accordingly, the first slot section 3301 is recessed to form ladder close to one end of fixing end 71 Slot 3305, the sealing of sealing block 34 is contained in stepped groove 3305, to seal the gap between fixing end 71 and the first slot section 3301, It prevents from leaking out from the smog that venthole 31 flows out by the gap between fixing end 71 and the first slot section 3301.

In this embodiment, connector 33 is substantially in the cylinder that longitudinal section is T fonts, the installing of relatively narrow one end In in cigarette expects pipe 10, wider one end supports and exposes to outside cigarette expects pipe 10 and connect with cigarette holder 32.Wherein, connector 33 and cigarette One end that mouth 32 connects is formed with internal thread, accordingly, cigarette holder through accommodating cavity 331 is offered on the internal chamber wall of accommodating cavity 331 The external screw thread with above-mentioned screw-internal thread fit is formed on 32, such realization cigarette holder 32 is detachably connected with connector 33.Meanwhile The bottom of accommodating cavity 331 is formed with above-mentioned fixing groove 330 to continuing recess close to the direction of cigarette expects pipe 10, and venthole 31 is from connection The trench bottom of fixing groove 330 is run through in the one end of part 33 far from accommodating cavity 331, for being connected to smoke path 51 and fixing groove 330.

In a wherein embodiment, the surface protrusion of 331 bottom of accommodating cavity is formed with limited post 3310, fixing end 71 Mounting hole 710 (as shown in Figure 2) is offered with the corresponding position of limited post 3310.Check valve 70 passes through mounting hole 710 and limit The cooperation of column 3310 is stably fixed in fixing groove 330.

Please referring again to Fig. 2, further, in order to improve the leakproofness between connector 33 and cigarette expects pipe 10, cigarette holder group Part 30 further includes sealing ring 35, and sealing ring 35 is sheathed on outside one end that connector 33 is located in cigarette expects pipe 10, for being tightly connected Gap between part 33 and cigarette expects pipe 10.

Further, cigarette holder component 30 includes gasket 36, and gasket 36 is attached at connector 33 and is located at cigarette expects pipe 10 Partial end, and edge and the inner tubal wall of cigarette expects pipe 10 fit closely, with the cooperation of sealing ring 35 reach to connector 33 with The effect of gap dual-seal between cigarette expects pipe 10.

It is to be appreciated that in some other embodiment, the position that check valve 70 is arranged and the cooperation side with venthole 31 Formula can as needed depending on, such as check valve 70 is directly covered in venthole 31 towards one end of cigarette holder 32, when smog is by going out When cigarette hole 31 is flowed out, check valve 70 is opened under the effect of smog pressure to close to the direction of cigarette holder 32；And when user blows, Air-flow is kept out between cigarette holder 32 and venthole 31 and cannot be introduced into smoke path 51 and also may be used by check valve 70, it is only necessary to realize and take out Cigarette holder 32 can be flowed to through venthole 31 by smoke path 51 and can not be flowed to through venthole 31 by cigarette holder 32 by inhaling 100 interior air-flow of device The function of smoke path 51, is not limited thereto.

In addition, connector 33 can be also wholely set with cigarette holder 32, accordingly omits accommodating cavity 331 and keep fixing groove 330 straight It connects and is connected to cigarette holder 32, is also not construed as limiting herein.

Fig. 5 is please referred to, pusher part 50 includes bar portion 53 and the pusher that 53 periphery of bar portion is set to along 53 axial screw of bar portion Portion 54, pusher portion 54 are released by cigarette material combustion chamber 13 for the most cigarette ash that will burn and unburned cigarette material push-in cigarette material burn In chamber 13, one end of bar portion 53 is fixed on connector 33, the other end along cigarette expects pipe 10 axially across cigarette material accommodating cavity 11 after It stretches into cigarette material combustion chamber 13.Smoke path 51 is set in pusher portion 54 and spiral is set to outside bar portion 53, and smoke intaking hole 52 passes through It wears and is placed in pusher portion 54 and is connected to cigarette material combustion chamber 13 and smoke path 51.When connector 33 rotates under external force Drive bar portion 53 rotate so that pusher portion 54 rotate, burn most cigarette ash under the action of the frictional force in pusher portion 54 by Cigarette material combustion chamber 13 drops out, and unburned cigarette material is threaded into cigarette under the action of the frictional force in pusher portion 54 along pusher portion 54 Expect in combustion chamber 13.

In a wherein embodiment, pusher portion 54 is set to the double helix blade outside bar portion 53, pusher including spiral Part 50 further includes air flue sealing element 55, air flue sealing element 55 in the shape of a spiral sealed set in double helix blade far from bar portion 53 in opening One end of mouth is set to bar portion 53 for sealing the gap between double helix blade to be enclosed spiral winding with double helix blade Periphery and the smoke path 51 being isolated with the cigarette material being filled in cigarette material accommodating cavity 11.

In a wherein embodiment, smoke path 51 also can closely be pasted by the one end of double helix blade far from bar portion 53 Together in the inner tubal wall of cigarette expects pipe 10, and with cigarette expects pipe 10, sealing is formed jointly, can omit air flue sealing element 55 at this time.

Further, pusher portion 54 further includes isolation board 56, and the bar portion 53 that isolation board 56 is fixed on stretches into cigarette material combustion chamber 13 One end, and block the gap between 54 end of pusher portion and air flue sealing element 55, cigarette material avoided to enter in smoke path 51.Into Cigarette hole 52 is opened on the end of isolation board 56 and/or double helix blade.

Fig. 6 is please referred to, when the smog that burning generates in cigarette material combustion chamber 13 is flowed out through smoke path 51 by venthole 31, Smog enters fixing end 71, in the confined space that the first slot section 3301 and valve end 72 are enclosed, and valve end 72 will at this time It is moved to far from 3301 direction of the first slot section with movable end 73 under the effect of smog pressure, makes valve end 72 and the first slot section Certain interval is formed between 3301, is gathered in smog in the first slot section 3301 and the second slot section 3303 is flowed by the gap and through the Two slot sections 3303 flow into cigarette holder 32 so that user sucks.

Please referring again to Fig. 3, when user blows into cigarette holder 32, air-flow enters the second slot section 3303, position through cigarette holder 32 Valve end 72 between the second slot section 3303 and the first slot section 3301 is under airflow function to close to 3301 direction of the first slot section It fits closely and keeps out on the external groove sidevall of the first slot section 3301, and block air-flow and the first slot section is flowed to by the second slot section 3303 3301 air flow path so that air-flow cannot be introduced into the first slot section 3301 and be flowed into smoke path 51 through venthole 31, avoid The cigarette ash of the cigarette material in cigarette material accommodating cavity 11 and/or after-flame in cigarette material combustion chamber 13 is blown away because user blows.

Fig. 7 and Fig. 8 are please referred to, in the utility model second embodiment, in the structure and first embodiment of suction unit 200 The structure of suction unit 100 it is essentially identical (for simplicity, wherein the essentially identical component of structure use in first embodiment Identical label indicates, in addition, the check valve of suction unit 200 is being not shown in figure), difference place is：Pusher part 60 wraps Pusher portion 64 and the rotating seat 65 for including bar portion 63, being set to along 63 axial screw of bar portion in bar portion 63, pusher portion 64 are along bar 63 axial screw of portion is set to the external spiral groove in bar portion 63, and smoke path 51 is axially set in along bar portion 63 in bar portion 63, right Ying Di, smoke intaking hole 52 are disposed through in bar portion 63 and/or pusher portion 64, to be communicated in cigarette material combustion chamber 13 and smoke path 51 Between.

The pusher mode of pusher part 60 is different from the pusher mode of pusher part 50 in first embodiment.Specifically, rotating seat 65 is rotatable and can be axially movably sheathed on outside bar portion 63 along bar portion 63, is formed on inner surface with external spiral groove (i.e. Pusher portion 64) rotatable engagement inner spiral groove.When the cigarette material all burnt being stored in cigarette material combustion chamber 13, connected by rotating Fitting 33, drive bar portion 63 rotate so that rotating seat 65 rotate simultaneously is moved down along external spiral groove, in cigarette material accommodating cavity 11 not The cigarette material of burning is pushed to burn away in cigarette material combustion chamber 13.

In a wherein embodiment, pusher part 60 further includes limit clamp spring 66, and it is remote that bar portion 63 is arranged in limit clamp spring 66 It one end (that is, bar portion 63 is located at one end of cigarette material combustion chamber 13) from cigarette holder component 30 and protrudes from outside bar portion 63, for rotation The rotating seat 65 turned is limited, and prevents rotating seat 65 from being fallen off by bar portion 63.

In addition, the soot build-up after burning in order to prevent in smoke path 51, causes smoke path 51 to block, pusher part 60 further include the strainer 67 being set in smoke path 51.

Fig. 9, Figure 10 and Figure 11 are please referred to, in the utility model 3rd embodiment, the structure of suction unit 300 and the Essentially identical (for simplicity, wherein the essentially identical component of structure uses and the structure of suction unit 100 in one embodiment Identical label indicates in one embodiment), difference place is：The set-up mode of smoke path is different.

In this embodiment, pusher part 80 includes bar portion 81 and is set to 81 periphery of bar portion along 81 axial screw of bar portion Pusher portion 83, one end of bar portion 81 is fixed on connector 33, and the other end is stretched into along the axial direction of cigarette expects pipe 10 in cigarette expects pipe 10. Cigarette holder component 30 is directly connected to cigarette expects pipe 10 by venthole 31, and the space between cigarette expects pipe 10 and pusher part 80 is directly cigarette Mist channel 51, and smoke path 51 also serves as cigarette material accommodating cavity 11 close to the part of cigarette holder component 30, smoke path 51 is far from cigarette The part of nozzle assembly 30 also serves as cigarette material combustion chamber 13.Pusher portion 83 is that spiral is set to the single-screw blade outside bar portion 81, is used It is filled in the cigarette material in cigarette material accommodating cavity 11 in promotion.

The pusher mode of pusher part 80 is identical as the pusher mode of pusher part 50 in first embodiment, and details are not described herein again.

Please refer to Figure 12 and Figure 13, in the utility model fourth embodiment (wherein check valve is not shown), suction unit 400 Compared to first embodiment, difference place is：Pusher part 90 includes bar portion 93 and is set to bar along 93 axial screw of bar portion The one end in the pusher portion 94 of 93 periphery of portion, bar portion 93 is fixed on connector 33, and the other end is along cigarette expects pipe 10 axially across cigarette It is stretched into cigarette material combustion chamber 13 after material accommodating cavity 11, pusher portion 94 is that spiral is set to the single-screw blade outside bar portion 93.Meanwhile Smoke path 51 is axially set in along bar portion 93 in bar portion 93, and accordingly, smoke intaking hole 52 is disposed through in bar portion 93, with connection Between cigarette material combustion chamber 13 and smoke path 51.

Specifically, bar portion 93 is the perforative tubulose in both ends, and pusher part 90 further includes cock cap 97, and cock cap 97 blocks pluggablely In the one end of bar portion 93 far from cigarette holder component 30, it is set in bar portion 93 for plug when in use, prevents cigarette material from entering smoke path In 51, and it is convenient for the cleaning of smoke path 51 by being extracted in bar portion 93 when use is finished.And bar portion 93 is close to cigarette holder component 30 One end be connected to the venthole (not shown) on connector 33.

The pusher mode of pusher part 90 is identical as the pusher mode of pusher part 50 in first embodiment, and details are not described herein again.

It is to be appreciated that in other unshowned embodiments, cock cap 97 can also be integrally formed with bar portion 93.

It is to be appreciated that in other unshowned embodiments, smoke intaking hole 52, which may also extend through, to be arranged on cock cap 97.

In this embodiment, one end that cock cap 97, pusher part 90 and cigarette holder component 30 are connect with cigarette expects pipe 10 (that is, one end that connector 33 and cigarette holder 32 are connect with connector 33) is all made of brass and is made, wherein brass have high temperature resistant, Thermal conductivity is good, the advantage of easy processing and environmental protection.In addition, cigarette expects pipe 10 is made of glass, in order to the observation of user；And cigarette holder 32 are made for one end that user sucks of glass, and to discharge harmful substance, user can be made, which to trust, to be made With.It is to be appreciated that in above-mentioned first embodiment, second embodiment and 3rd embodiment, identical component also can be used Material mentioned above is made, and details are not described herein.

Fig. 2, Fig. 7, Fig. 9 and Figure 12 are please referred to, in above-mentioned first embodiment, second embodiment, 3rd embodiment and In four embodiments, cigarette holder component 30 further includes filtration members 38, and filtration members 38 are set between connector 33 and cigarette holder 32, and are located at Smog is flowed by venthole 31 on the flow path of cigarette holder 32, for the impurity (for example, cigarette ash) in filter smoke, improves cigarette The mouthfeel that mist is sucked.Specifically, in the first embodiment, filtration members 38 are the filter cotton being set in venthole 31；Second In embodiment, filtration members 38 are to be set to the filtration core in accommodating cavity 331 and being covered on venthole 31；In 3rd embodiment In, filtration members 38 are to be covered in the filtering that bar portion 81 connect the filter screen of one end and be set in venthole 31 with cigarette holder component 30 Cotton；In the fourth embodiment, filtration members 38 are to be covered in bar portion 93 to connect the filter screen of one end with cigarette holder component 30 and be set to Filter cotton in venthole 31.

In addition, in order to promote the air inflow and air inlet effect of smoke path 51, what smoke intaking hole 52 can be in the first embodiment The end setting of bar portion 63/93 in the end of isolation board 56 and/or double helix blade, second embodiment and fourth embodiment is more It is a.

Meanwhile in above-mentioned first embodiment to fourth embodiment, suction unit 100/200/300/400 further includes protection Lid 99, user when not in use, protective cover 99 is sheathed on the one end of cigarette expects pipe 10 far from cigarette holder component 30, for preventing cigarette material from falling It falls and dust-proof.In addition, before user's use next time, need first to push cigarette material to cigarette material combustion chamber 13, protective cover 99 In the presence of being overexerted when can prevent from pushing so that cigarette material is fallen from cigarette material combustion chamber 13.

Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed, But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.

Claims

1. a kind of suction unit, it is characterised in that：The suction unit includes cigarette holder component, cigarette expects pipe, smoke path and list To valve, the cigarette holder component offers venthole, is provided with cigarette material combustion chamber in the cigarette expects pipe, the smoke path respectively with The venthole is connected to the cigarette material combustion chamber, the check valve coordinate with the venthole and allow air-flow by it is described go out Cigarette hole flows to the open position of the cigarette holder component and stops that air-flow is flowed to the close stance of the venthole by the cigarette holder component It is moved between setting.

2. suction unit as described in claim 1, it is characterised in that：The cigarette holder component includes cigarette holder and connector, described One end of connector is assemblied in the cigarette expects pipe, and the cigarette holder is set on the connector and is stretched on the cigarette expects pipe Outside, the fixing groove for being connected to the cigarette holder is provided in the connector, the venthole is through the connector far from the cigarette One end of mouth is simultaneously connected to the fixing groove, and the relatively described venthole of the check valve can be opened and closed to be set to the fixing groove It is interior.

3. suction unit as claimed in claim 2, it is characterised in that：The fixing groove include interconnected the first slot section and Second slot section, the venthole are connected to the first slot section, and the second slot section is connected to the cigarette holder, and the check valve can It is isolated between the first slot section and the second slot section to folding.

4. suction unit as claimed in claim 3, it is characterised in that：The check valve includes fixing end, valve end and work Moved end, the fixing end are set in the first slot section, the valve end be connected to the fixing end and the movable end it Between and can be opened and closed to be isolated between the first slot section and the second slot section, the movable end is movably connected to described In second slot section.

5. suction unit as described in claim 1, it is characterised in that：The suction unit further includes pusher part, the pusher One end of part is connect with the cigarette holder component, and the other end of the pusher part is arranged in the cigarette material along the axial direction of the cigarette expects pipe In pipe, the cigarette material accommodating cavity being additionally provided in the cigarette expects pipe between the cigarette holder component and the cigarette material combustion chamber, institute Pusher part is stated for providing driving force for the cigarette ash in the cigarette material and cigarette material combustion chamber in cigarette material accommodating cavity.

6. suction unit as claimed in claim 5, it is characterised in that：The smoke path be arranged in the pusher part or It is arranged in the cigarette expects pipe.

7. suction unit as claimed in claim 6, it is characterised in that：The pusher part includes that bar portion, pusher portion and air flue are close Sealing, the pusher portion include along the bar portion axial screw and being arranged at intervals at the double helix blade of the bar portion periphery, institute State the air flue sealing element one end of sealed set in the double helix blade far from the bar portion in opening in the shape of a spiral, the air flue Sealing element is enclosed the smoke path with the double helix blade.

8. suction unit as claimed in claim 6, it is characterised in that：The pusher part includes bar portion and pusher portion, the cigarette Mist channel is axially set in along the bar portion in the bar portion, and the pusher portion is described to be set to along the bar portion axial screw External spiral groove in bar portion, alternatively, the pusher portion is the single-screw being set to along the bar portion axial screw in the bar portion Blade.

9. suction unit as claimed in claim 6, it is characterised in that：The pusher part includes bar portion and pusher portion, the cigarette Space of the mist channel between the cigarette expects pipe and the pusher part, the pusher portion are to be set to along the bar portion axial screw Single-screw blade in the bar portion.

10. suction unit as claimed in claim 2, it is characterised in that：The suction unit further includes filtration members, the filtering Part is set between the connector and the cigarette holder, and flows into the flowing road of the cigarette holder by the venthole positioned at smog On diameter.