CN215837114U - Tobacco rod and electronic cigarette with same - Google Patents

Abstract

The utility model discloses a tobacco rod and an electronic cigarette with the same, wherein the tobacco rod comprises: a tobacco rod shell and a bracket component. The bracket component is established in the cigarette rod shell, inject the chamber of admitting air that is suitable for with external intercommunication between the periphery wall of bracket component and the internal perisporium of cigarette rod shell, the top of bracket component, inject the cavity jointly between cigarette rod shell and the cigarette bullet, the cavity intercommunication is admitted air the chamber and is used for installing negative pressure switch's installation cavity, installation cavity and negative pressure channel intercommunication, the one end of the neighbouring cavity of negative pressure channel is equipped with the shutoff piece, with the one end of the neighbouring cavity of closing negative pressure channel, shutoff piece and bracket component integrated into one piece, be formed with on the circumference lateral wall of negative pressure channel with the air vent of admitting air the chamber intercommunication, negative pressure switch establishes in the installation cavity. According to the cigarette rod provided by the embodiment of the utility model, the risk of blocking the vent hole of the negative pressure switch or the risk of oil immersion damage of a device can be effectively reduced, and the use reliability of the electronic cigarette is improved.

Description

Tobacco rod and electronic cigarette with same

Technical Field

The utility model relates to the field of electronic atomization equipment, in particular to a cigarette rod and an electronic cigarette with the same.

Background

For a long time, after a cigarette rod of an electronic cigarette is used for a long time, oil leaks from smoke bombs or fog accumulates to form liquid, and sometimes the liquid flows to a negative pressure switch through a vent hole of the existing negative pressure switch to cause air hole blockage or oil immersion damage of a device, so that the function of the electronic cigarette is insensitive or lost.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a tobacco rod of an electronic cigarette, which can achieve normal operation of a smoke cartridge when the tobacco rod is used in the electronic cigarette, and since the top opening of the negative pressure channel is closed and the vent holes are formed on the circumferential side wall of the negative pressure channel, the vent holes of the negative pressure switch and the smoke cartridge are separated into two spaces, so that the risk of blocking the vent holes of the negative pressure switch or the risk of damage caused by oil immersion of devices can be effectively reduced, and the reliability of the electronic cigarette in use can be improved.

The utility model also provides an electronic cigarette with the cigarette rod.

According to the tobacco rod of the electronic cigarette of the embodiment of the first aspect of the utility model, the cartridge of the electronic cigarette is arranged at one axial end of the tobacco rod, and the tobacco rod comprises: a tobacco rod shell; the bracket component, the bracket component is established in the cigarette rod shell, the periphery wall of bracket component with inject between the internal perisporium of cigarette rod shell and be suitable for the chamber of admitting air with external intercommunication, the top of bracket component the cigarette rod shell and inject the cavity between the cigarette bullet jointly, the cavity intercommunication admit air the chamber with the atomizing chamber of cigarette bullet, the installation cavity that has negative pressure passageway in the bracket component and be used for installing negative pressure switch, the installation cavity with negative pressure passageway intercommunication, the neighbouring of negative pressure passageway the one end of cavity is equipped with the shutoff piece, in order to seal the neighbouring of negative pressure passageway the one end of cavity, the shutoff piece with bracket component integrated into one piece, be formed with on the circumference lateral wall of negative pressure passageway with the air vent of admitting air the chamber intercommunication.

According to the cigarette rod of the electronic cigarette, the air inlet cavity suitable for being communicated with the outside is defined between the outer peripheral wall of the support assembly and the inner peripheral wall of the cigarette rod shell, the cavity defined between the cigarette rod and the cigarette cartridge is communicated with the air inlet cavity and the atomization cavity of the cigarette cartridge, the top opening of the negative pressure channel is closed, and the vent hole communicated with the air inlet cavity is formed in the circumferential side wall of the negative pressure channel, so that normal work of the cigarette cartridge is realized, and the vent hole of the negative pressure switch is isolated from the cigarette cartridge in two spaces due to the fact that the top opening of the negative pressure channel is closed and the vent hole is formed in the circumferential side wall of the negative pressure channel, so that the risk of blocking of the vent hole of the negative pressure switch or the risk of oil immersion damage of a device can be effectively reduced, and the use reliability of the electronic cigarette is improved. In addition, one end of the negative pressure channel, which is adjacent to the cavity, is provided with the plugging piece, and the plugging piece and the support component are integrally formed, so that the sealing of one end of the negative pressure channel, which is adjacent to the cavity, is convenient to realize, the sealing reliability can be ensured, and the structure is simple.

According to some embodiments of the utility model, the bracket assembly comprises: the air inlet cavity is defined between the outer peripheral wall of the support and the inner peripheral wall of the smoke rod shell, one end, adjacent to the cavity, of the negative pressure channel is formed in the support, and the blocking piece is integrally formed with the support; the switch mounting piece is arranged on the bracket and internally defines the mounting cavity; wherein the negative pressure channel is formed on the bracket or the bracket and the switch mounting member together define the negative pressure channel.

In some optional embodiments of the utility model, an opening of one end of the negative pressure channel adjacent to the cavity is provided with a blocking blank arranged around the opening, the blocking blank is integrally formed with the bracket, and the blocking blank is formed into the blocking piece through hot melting.

According to some embodiments of the utility model, the outer circumferential wall of the bracket assembly is formed with an air inlet recess, and the air inlet cavity is defined between an inner wall of the air inlet recess and an inner circumferential wall of the tobacco rod housing.

According to some embodiments of the utility model, the air intake cavity extends in a circumferential direction of the tobacco rod casing.

Optionally, the air intake chamber is annular.

According to some embodiments of the utility model, the tobacco rod housing has an air inlet formed therein opposite and communicating with the air inlet chamber.

According to some embodiments of the utility model, a reservoir is formed at a top of the rack assembly, a communication hole communicating the reservoir with the intake chamber is formed on a circumferential side wall of the reservoir, and the reservoir forms a part of the cavity.

In some alternative embodiments of the present invention, the communication hole and the vent hole are located at opposite ends of the bracket assembly.

In some optional embodiments of the utility model, the tobacco rod casing is formed with an air intake hole opposite to and communicating with the air intake chamber, the air intake hole being located between the communication hole and the air vent in a circumferential direction of the tobacco rod casing.

In some alternative embodiments of the utility model, the communication aperture is located adjacent the top of the reservoir.

In some optional embodiments of the present invention, a flow guide protrusion is formed on a circumferential side wall of the reservoir, the flow guide protrusion is located on an outer circumferential side of the communication hole and adjacent to the communication hole, and at least a portion of the flow guide protrusion is located on an upper side of the communication hole.

According to some embodiments of the utility model, a sealing structure is provided between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the tobacco rod housing, the sealing structure being located between the air intake cavity and the cavity to seal a gap between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the tobacco rod housing.

In some alternative embodiments of the utility model, the sealing structure is provided on the peripheral wall of the rack assembly adjacent to the top of the rack assembly.

In some optional embodiments of the utility model, the bracket assembly comprises: the air inlet cavity is defined between the outer peripheral wall of the support and the inner peripheral wall of the smoke rod shell, the sealing structure is arranged on the outer peripheral wall of the support, and the sealing structure and the support are integrally formed; the switch mounting piece is arranged in the bracket and internally defines the mounting cavity; wherein the negative pressure channel is formed on the bracket or the bracket and the switch mounting member together define the negative pressure channel.

An electronic cigarette according to an embodiment of the second aspect of the utility model includes: a tobacco rod according to an embodiment of the above first aspect of the present invention; the cigarette bullet is located the axial one end of cigarette pole.

According to the electronic cigarette provided by the embodiment of the utility model, through the arrangement of the cigarette rod, the risk of blocking the vent hole of the negative pressure switch or the risk of oil immersion damage of a device can be effectively reduced, and the use reliability of the electronic cigarette is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

figure 1 is a perspective view of a tobacco rod according to some embodiments of the present invention;

FIG. 2 is a perspective cross-sectional view of the tobacco rod of FIG. 1, wherein the plug blank is not formed into a plug;

fig. 3 is an enlarged view at a in fig. 2;

FIG. 4 is a partial block diagram of the tobacco rod of FIG. 1 wherein the plug blank is not formed into a plug;

fig. 5 is a perspective view of the plugging blank on the stent of fig. 1 without forming a plug.

FIG. 6 is a perspective cross-sectional view of the stent of FIG. 5;

fig. 7 is an enlarged view at B in fig. 6;

figure 8 is a perspective view of the support of the tobacco rod of figure 1.

Reference numerals:

a tobacco rod 100;

a tobacco rod shell 1; an air intake hole 11; a housing chamber 12;

a bracket 2; a mounting groove 21; a vent hole 22; a communication passage 221; a reservoir 23; a communication hole 24; mounting holes 25; an air inlet groove 26; a seal structure 27; a seal groove 28;

an air intake chamber 30;

a plugging member 31; a plugging blank 32;

a negative pressure channel 4; a first channel 41; an opening 411;

a switch mount 51;

a circuit board 61; a first magnetic attraction 62; an electrode 63; and a seal ring 64.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

A tobacco rod 100 of an electronic cigarette according to an embodiment of the utility model is described below with reference to fig. 1-8.

According to the tobacco rod 100 of the electronic cigarette in the embodiment of the first aspect of the utility model, when the tobacco rod 100 is used in an electronic cigarette, the cartridge of the electronic cigarette is arranged at one end of the tobacco rod 100 in the axial direction, the axial direction of the tobacco rod 100 can be the up-down direction, and the cartridge is arranged at the upper end of the tobacco rod 100.

The tobacco rod 100 includes: cigarette rod shell 1, bracket component, circuit board 61 and negative pressure switch. The cross section of cigarette rod shell 1 can be oval, and cigarette rod shell 1 has the chamber 12 that holds that is used for holding the cigarette bullet, and the bracket component is established in cigarette rod shell 1, defines between the internal perisporium of periphery wall and the cigarette rod shell 1 of bracket component and is suitable for the air inlet chamber 30 with external intercommunication. For example, the smoke rod shell 1 may be formed with an air inlet hole 11 opposite to and communicating with the air inlet cavity 30, so that air in the external environment can conveniently enter the air inlet cavity 30 through the air inlet hole 11, and air inlet resistance is reduced. The number of the air inlet holes 11 can be one or more, and when the number of the air inlet holes 11 is multiple, the multiple air inlet holes 11 can be arranged at intervals along the circumference of the cigarette rod casing 1, for example, the number of the air inlet holes 11 can be two, and the two air inlet holes 11 can be located at two opposite sides of the cigarette rod casing 1.

It is to be understood that the term "plurality" as used herein means two or more.

The circuit board 61 is established on the bracket component and circuit board 61 is located cigarette rod shell 1, and negative pressure switch establishes in the installation cavity and negative pressure switch is connected with circuit board 61 electricity, and negative pressure switch and circuit board 61 can be arranged along cigarette rod shell 1's thickness direction. The cigarette rod 100 further comprises a power supply module disposed on the bracket assembly, the power supply module may include a battery, the power supply module is electrically connected to the circuit board 61, and the power supply module may be located below the circuit board 61.

Wherein, the cartridge is including locating the atomizer in atomizing chamber, and the cartridge has the play fog mouth with atomizing chamber intercommunication. The axial one end of tobacco rod shell 1 is opened, for example the upper end of tobacco rod shell 1 is opened, and the upper end of tobacco rod shell 1 has the chamber 12 that holds that is used for holding the cigarette bullet, and after tobacco rod 100 and cigarette bullet assembly, can inject the cavity jointly between the top of bracket component, tobacco rod shell 1 and the cigarette bullet, this cavity intercommunication air inlet chamber 30 and the atomizing chamber of cigarette bullet, the cavity constitutes the partly that holds chamber 12. For example, an air inlet structure communicated with the atomization cavity can be formed on the cartridge, the air inlet structure can extend to the bottom of the cartridge and penetrate through the bottom surface of the cartridge, so that air entering the air inlet cavity 30 from the air inlet hole 11 can enter the cavity, and the air entering the cavity can enter the atomization cavity through the air inlet structure to provide air for atomization of the cartridge.

The support component is internally provided with a negative pressure channel 4 and a mounting cavity, the mounting cavity is positioned at one end of the negative pressure channel 4, for example, the mounting cavity is positioned at the lower end of the negative pressure channel 4, the mounting cavity is communicated with the one end of the negative pressure channel 4, the other end of the negative pressure channel 4 (for example, the upper end of the negative pressure channel 4) extends towards the direction close to the top of the support component, and the other end of the negative pressure channel 4 is closed, so that the top of the negative pressure channel 4 is closed. The circumferential side wall of the negative pressure channel 4 is provided with the vent hole 22 communicated with the air inlet cavity 30, so that the communication between the negative pressure channel 4 and the air inlet cavity 30 can be realized, and the communication between the negative pressure channel 4 and the atomizing cavity is also realized due to the communication between the air inlet cavity 30 and the atomizing cavity. Wherein the vent hole 22 may be opposite to and in communication with the air intake chamber 30, for example the negative pressure channel 4 may be located on the side of the air intake chamber 30 adjacent to the central axis of the tobacco rod housing 1.

When the user smokes the electronic cigarette, the fog outlet is used as a cigarette holder, and in the process of smoking, air in the negative pressure channel 4 flows into the atomizing cavity through the air inlet structure on the air vent 22, the air inlet cavity 30, the cavity and the cigarette cartridge, so that negative pressure is generated in the negative pressure channel 4, the negative pressure switch can be triggered, and the power supply module supplies power to the atomizer when the negative pressure switch is triggered. The atomizer can atomize the tobacco tar in the atomizing chamber, and the atomizer can include the heating member, and the heating member can be the heater strip, through the tobacco tar of heating the atomizing intracavity to produce smog and from the export suction of fog.

And in the clearance of user's suction (namely the user does not produce suction to the electron cigarette at this moment), under the effect of pressure differential or under pressure differential and gravity, condensate or tobacco tar in the cigarette bullet probably flow into the top of bracket component (fall into the cavity promptly), because the top of negative pressure passageway 4 is sealed and air vent 22 sets up on the circumference lateral wall of negative pressure passageway 4, be equivalent to keep apart negative pressure switch's air vent 22 and cigarette bullet at two spaces, avoided falling into negative pressure passageway 4 directly downwards from the liquid that the cigarette bullet flows down, also avoided the liquid that accumulates in the cavity to flow into negative pressure passageway 4 from the top of negative pressure passageway 4, can reduce negative pressure switch's air vent 22 effectively and block up the risk or device immersion oil damage risk, promote the reliability that the electron cigarette used. In addition, under the normal use condition, even if a small amount of liquid flows into the air inlet cavity 30 from the cavity, the air inlet cavity 30 has a certain volume, so that the air vent 22 cannot be blocked or the device is not easy to be damaged by oil immersion.

In addition, through injecing the chamber 30 that admits air between the periphery wall of bracket component and the internal perisporium of cigarette rod shell 1, can set for the route of admitting air of electron cigarette for the air that gets into from the external world is leading-in to the cavity in according to the guide effect of the chamber 30 that admits air, can reduce the air resistance of admitting air.

Optionally, one end of the negative pressure channel 4 adjacent to the cavity is provided with a blocking piece 31 to close one end of the negative pressure channel 4 adjacent to the cavity, and the blocking piece 31 is integrally formed with the bracket assembly. Through making the one end of the neighbouring cavity of negative pressure passageway 4 be equipped with shutoff piece 31, and make shutoff piece 31 and bracket component integrated into one piece, conveniently realize that the one end of the neighbouring cavity of negative pressure passageway 4 seals and can guarantee confined reliability to simple structure.

According to the cigarette rod 100 of the electronic cigarette, the air inlet cavity 30 suitable for being communicated with the outside is defined between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the cigarette rod shell 1, the cavity defined between the cigarette rod 100 and the cartridge is communicated with the air inlet cavity 30 and the atomization cavity of the cartridge, the top opening 411 of the negative pressure channel 4 is closed, and the vent hole 22 communicated with the air inlet cavity 30 is formed in the circumferential side wall of the negative pressure channel 4, so that the normal work of the cartridge is realized, and as the top opening 411 of the negative pressure channel 4 is closed and the vent hole 22 is formed in the circumferential side wall of the negative pressure channel 4, the vent hole 22 of the negative pressure switch and the cartridge are separated into two spaces, the risk of blockage of the vent hole 22 of the negative pressure switch or the risk of oil immersion damage of devices can be effectively reduced, and the use reliability of the electronic cigarette is improved.

According to some embodiments of the present invention, referring to fig. 4-8, a rack assembly comprises: support 2 and switch installed part 51, circuit board 61 are located support 2, define the intake chamber 30 between the internal perisporium of support 2 and tobacco rod shell 1, and switch installed part 51 is located support 2, can be equipped with mounting groove 21 on support 2, and switch installed part 51 is located in mounting groove 21, and the shape of mounting groove 21 can be with the shape looks adaptation of switch installed part 51. A mounting cavity is defined in the switch mounting piece 51, the negative pressure switch is mounted in the mounting cavity, and the switch mounting piece 51 can be a silica gel piece, so that the sealing effect is achieved, and air leakage is prevented. Wherein the vacuum channel 4 is formed on the holder 2 or the holder 2 and the switch mount 51 together define the vacuum channel 4. When the bracket 2 and the switch mounting member 51 define the negative pressure passage 4 together, the other end of the negative pressure passage 4 is formed in the bracket 2, and the other part of the negative pressure passage 4 may be defined by the bracket 2 and the switch mounting member 51 together, thereby facilitating the formation of the negative pressure passage 4.

Wherein, the end of the negative pressure channel 4 adjacent to the cavity is formed on the bracket 2, and the blocking piece 31 is integrally formed with the bracket 2, for example, the blocking piece 31 is integrally injection-molded with the bracket 2. Through making the one end of the neighbouring cavity of negative pressure channel 4 be equipped with shutoff piece 31, and make shutoff piece 31 and support 2 integrated into one piece, conveniently realize that the one end of the neighbouring cavity of negative pressure channel seals and can guarantee confined reliability to simple structure.

Further, referring to fig. 3 to 8, the opening 411 of the negative pressure channel 4 near one end of the cavity is provided with a blocking blank 32 surrounding the opening 411 of the negative pressure channel 4, the blocking blank 32 may be ring-shaped, the blocking blank 32 is integrally formed with the bracket 2, for example, the blocking blank 32 may be integrally injection-molded with the bracket 2. After the blocking blank 32 is integrally formed with the bracket 2, the blocking blank 32 is subjected to heat fusion, and the blocking blank 32 is deformed and welded by pressure to form the blocking piece 31 for closing the opening 411 of the negative pressure channel 4, so that the closing of one end of the negative pressure channel 4 adjacent to the cavity can be realized. The arrangement of the opening 411 for blocking the negative pressure channel 4 is simple and reliable in structure.

According to some embodiments of the present invention, referring to fig. 3-8, the outer peripheral wall of the bracket assembly is formed with an air inlet recess 26, and an air inlet chamber 30 is defined between the inner wall of the air inlet recess 26 and the inner peripheral wall of the tobacco rod housing 1. Through set up air inlet groove 26 on the periphery wall of bracket component, and make and to define the chamber 30 that admits air between the inner wall of air inlet groove 26 and the internal perisporium of cigarette rod shell 1, thereby made things convenient for the formation of the chamber 30 that admits air, and can make the chamber 30 that admits air have great volume. Moreover, even if a small amount of liquid flows into the air inlet cavity 30 from the cavity, the air inlet cavity 30 has a certain volume, so that the air vent 22 cannot be blocked or the device is not easy to be damaged by oil immersion.

In some alternative embodiments of the present invention, the air inlet chamber 30 may extend along the circumference of the tobacco rod casing 1, thereby increasing the volume of the air inlet chamber 30, so that even if a small amount of liquid flows into the air inlet chamber 30 from the cavity, the volume of the air inlet chamber 30 is larger, so that the air inlet chamber is less or less prone to blockage of the vent hole 22 or oil immersion damage of the device.

Alternatively, the inlet chamber 30 may be annular, so that the volume of the inlet chamber 30 is made as large as possible, further reducing the risk of blockage of the vent holes 22 or the risk of oil-immersion damage to the device.

According to some embodiments of the present invention, referring to fig. 3-8, a seal 27 is provided between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the tobacco rod housing 1, the seal 27 being located between the air intake cavity 30 and the cavity to seal the gap between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the tobacco rod housing 1. Through the seal structure 27 who sets up, can prevent that the liquid that flows into in the cavity from getting into air inlet chamber 30 through the clearance between the periphery wall of bracket component and the internal perisporium of cigarette holder shell 1, both can further reduce negative pressure switch's air vent 22 and block up risk or device immersion oil damage risk to can reduce because the interior liquid of air inlet chamber 30 excessively causes the great problem of air intake resistance, make air intake resistance less.

In some alternative embodiments of the present invention, and with reference to fig. 3-8, the seal structure 27 is provided on the peripheral wall of the rack assembly adjacent the top of the rack assembly. From this, made things convenient for seal structure 27's setting, and through the top setting with the neighbouring bracket component of seal structure 27, can make the liquid that flows into in the cavity from the cigarette bullet stop in the cavity as far as possible, avoid liquid to flow into between the internal perisporium of the periphery wall of bracket component and tobacco rod shell 1, make things convenient for follow-up clearance maintenance work to the electron cigarette.

In some alternative embodiments of the present invention, referring to fig. 4-8, a bracket assembly comprises: the cigarette holder comprises a support 2 and a switch mounting piece 51, wherein a circuit board 61 is arranged on the support 2, an air inlet cavity 30 is defined between the outer peripheral wall of the support 2 and the inner peripheral wall of a cigarette rod shell 1, a sealing structure 27 is arranged on the outer peripheral wall of the support 2, and the sealing structure 27 is integrally formed with the support 2. For example, the seal structure 27 may be a seal bead formed on the outer peripheral wall of the holder 2, the seal bead being injection-molded integrally with the holder 2. By integrally forming the sealing structure 27 and the bracket 2, the assembly process of the sealing structure 27 is omitted, and the assembly difficulty of the cigarette rod 100 is reduced.

The switch mounting piece 51 is arranged on the support 2, the support 2 can be provided with a mounting groove 21, the switch mounting piece 51 is arranged in the mounting groove 21, and the shape of the mounting groove 21 can be matched with the shape of the switch mounting piece 51. A mounting cavity is defined in the switch mounting piece 51, the negative pressure switch is mounted in the mounting cavity, and the switch mounting piece 51 can be a silica gel piece, so that the sealing effect is achieved, and air leakage is prevented. Wherein the vacuum channel 4 is formed on the holder 2 or the holder 2 and the switch mount 51 together define the vacuum channel 4. When the bracket 2 and the switch mounting member 51 define the negative pressure passage 4 together, the other end of the negative pressure passage 4 is formed in the bracket 2, and the other part of the negative pressure passage 4 may be defined by the bracket 2 and the switch mounting member 51 together, thereby facilitating the formation of the negative pressure passage 4.

According to some embodiments of the present invention, referring to fig. 3-8, the reservoir 23 is formed at the top of the holder assembly, and the communication hole 24 for communicating the reservoir 23 with the air intake chamber 30 is formed on the circumferential side wall of the reservoir 23, and the reservoir 23 forms a part of the above-mentioned cavity. The liquid storage tank 23 is arranged at the top of the bracket component, so that liquid falling into the cavity from the cigarette cartridge can be conveniently collected, the probability that the liquid flows into other parts in the cigarette rod 100 is reduced, and the reliability is improved; and, through set up the intercommunicating pore 24 with the chamber 30 that admits air on the circumference lateral wall of reservoir 23, admit air chamber 30 can communicate with reservoir 23 through intercommunicating pore 24 like this to can conveniently realize admitting air chamber 30 and the atomizing chamber intercommunication of cigarette bullet.

Alternatively, referring to fig. 3-8, the communication hole 24 may be disposed adjacent to the top of the reservoir 23. Therefore, in the process of storing and accumulating liquid in the liquid storage tank 23, the probability that the liquid in the liquid storage tank 23 flows through the communication hole 24 can be reduced, the probability that the liquid in the liquid storage tank 23 enters the air inlet cavity 30 through the communication hole 24 can be reduced, the risk of blocking the vent hole 22 of the negative pressure channel 4 or the risk of oil immersion damage of a device can be reduced, and the use reliability of the electronic cigarette can be improved.

In some alternative embodiments of the present invention, referring to fig. 3 to 8, a flow guide protrusion is formed on a circumferential side wall of the reservoir 23, the flow guide protrusion is located at an outer circumferential side of the communication hole 24 and adjacent to the communication hole 24, and at least a portion of the flow guide protrusion is located at an upper side of the communication hole 24. By providing the flow guide protrusion on the outer peripheral side of the reservoir 23 and positioning at least a part of the flow guide protrusion on the upper side of the communication hole 24, the upper side part of the flow guide protrusion on the communication hole 24 can block the liquid from flowing downwards along the peripheral side wall of the reservoir 23 to the position of the communication hole 24, and the liquid falling onto the flow guide protrusion can be guided to the lower part of the reservoir 23 on the communication hole 24 by the flow guide protrusion.

For example, in the examples of fig. 3 to 8, a flow guide protrusion is formed on a circumferential side wall of the liquid storage tank 23, the flow guide protrusion is located on an outer circumferential side of the communication hole 24 and adjacent to the communication hole 24, the flow guide protrusion may be disposed around the communication hole 24, so that liquid may be better prevented from flowing down along the circumferential side wall of the liquid storage tank 23 to a position where the communication hole 24 is located, and liquid falling onto the flow guide protrusion may be further guided to a lower portion of the liquid storage tank 23 located below the communication hole 24 by the flow guide protrusion.

In some alternative embodiments of the present invention, referring to fig. 3-8, communication aperture 24 and vent aperture 22 are located at opposite ends of the rack assembly. Therefore, the distance between the communication hole 24 and the vent hole 22 in the circumferential direction of the bracket assembly is longer, even if a small amount of liquid enters the air inlet cavity 30 through the communication hole 24, the distance between the vent hole 22 and the communication hole 24 in the circumferential direction of the bracket assembly is longer, and the liquid entering the air inlet cavity 30 can reach the position of the vent hole 22 by a longer path, so that the risk of blockage of the vent hole 22 of the negative pressure channel 4 or the risk of oil immersion damage of a device can be further reduced, and the use reliability of the electronic cigarette can be improved.

In some alternative embodiments of the present invention, referring to fig. 1-4, the tobacco rod casing 1 is formed with an air intake hole 11 opposite to and communicating with the air intake chamber 30, and the air intake hole 11 may be located between the communication hole 24 and the air vent hole 22 in the circumferential direction of the tobacco rod casing 1. Therefore, the positions of the air inlet holes 11, the communication holes 24 and the vent holes 22 are arranged more reasonably, air inlet resistance is lower, the probability that a small amount of liquid entering the air inlet cavity 30 from the communication holes 24 directly leaks from the air inlet holes 11 can be reduced, and user experience can be improved.

For example, in some embodiments of the present invention, referring to fig. 1-4, 7, 8, the bracket assembly comprises: support 2 and switch installed part 51, circuit board 61 are located support 2, are formed with air inlet groove 26 on the periphery wall of support 2, and air inlet groove 26 can be followed support 2's circumference extension and be the annular, defines above-mentioned air inlet chamber 30 between the inner wall of air inlet groove 26 and the internal perisporium of tobacco rod shell 1. Seal structure 27 is established on the periphery wall of support 2, seal structure 27 can be for forming the sealed protruding muscle on the periphery wall of support 2, this sealed protruding muscle and the integrative injection moulding of support 2, sealed protruding muscle extends and is the annular along the circumferential direction of support 2, sealed protruding muscle and above-mentioned air inlet groove 26 can set up at the axial direction of support 2 interval, can avoid the liquid in the cavity to flow into in the air inlet cavity 30 through the clearance between the periphery wall of support 2 and the internal perisporium of tobacco rod shell 1 better.

Still be formed with sealed recess 28 on the periphery wall of support 2, sealed recess 28 is located the one side of keeping away from the top of support 2 of air inlet groove 26, sealed recess 28 sets up with air inlet groove 26 interval in the axial direction of support 2, sealed recess 28 extends and is the annular along the circumference of support 2, be equipped with sealing washer 64 in the sealed recess 28, the clearance between the periphery wall of sealing washer 64 sealed support 2 and the internal perisporium of tobacco rod shell 1, can prevent that the interior a small amount of liquid of entering air inlet chamber 30 from flowing into its part in tobacco rod 100 and leading to the difficulty of clearing up or cause harmful effects to other devices.

The switch mounting piece 51 is arranged on the support 2, the support 2 can be provided with a mounting groove 21, the switch mounting piece 51 is arranged in the mounting groove 21, and the shape of the mounting groove 21 can be matched with the shape of the switch mounting piece 51. A mounting cavity is defined in the switch mounting piece 51, the negative pressure switch is mounted in the mounting cavity, and the switch mounting piece 51 can be a silica gel piece, so that the sealing effect is achieved, and air leakage is prevented. Wherein the bracket 2 and the switch mounting member 51 together define the negative pressure channel 4, the other end of the negative pressure channel 4 is formed in the bracket 2, and the other part of the negative pressure channel 4 can be defined by the bracket 2 and the switch mounting member 51 together, thereby facilitating the formation of the negative pressure channel 4.

Specifically, the negative pressure passage 4 includes a first passage 41 and a second passage which are communicated, wherein the first passage 41 is positioned on one side of the second passage adjacent to the top of the bracket 2, the first passage 41 is completely formed in the bracket 2, the top of the first passage 41 is closed, and the second passage can be defined by the bracket 2 and the switch mounting member 51 together. The vent hole 22 is formed on the circumferential side wall of the first passage 41, the communication passage 221 communicating the vent hole 22 and the air intake groove 26 is formed on the side wall of the air intake groove 26 adjacent to the central axis of the bracket 2, the extending direction of the communication passage 221 and the extending direction of the first passage 41 have an angle therebetween, for example, the extending direction of the communication passage 221 and the extending direction of the first passage 41 may be substantially perpendicular.

An air inlet hole 11 opposite to and communicated with the air inlet cavity 30 is formed on the cigarette rod shell 1, the cross section of the cigarette rod shell 1 is oval, and the two air inlet holes 11 are arranged on two opposite sides of the cigarette rod shell 1 in the long axis direction. The top of the bracket 2 is formed into an oval shape matched with the cigarette rod shell 1, the top of the bracket 2 is formed with a liquid storage tank 23 and two mounting holes 25, the two mounting holes 25 are positioned at two opposite ends of the liquid storage tank 23 in the long axis direction of the bracket 2, the first channel 41 extends to the top of the bracket 2, the first channel 41 is positioned at one end of the liquid storage tank 23 in the short axis direction of the bracket 2, and the first channel 41 is formed with a vent hole 22 communicating the air inlet cavity 30 and the first channel 41. A communication hole 24 communicating the intake chamber 30 and the reservoir 23 is formed in a side wall of the reservoir 23 remote from the first passage 41, so that the communication hole 24 and the vent hole 22 are located at opposite ends of the holder 2, and the communication hole 24 and the vent hole 22 are located at opposite ends of the holder 2 in the short axis direction.

Install electrode 63 and first magnetism respectively in two mounting holes 25 and inhale piece 62, one in two electrodes 63 is positive electrode 63 and another is negative electrode 63, and first magnetism is inhaled piece 62 to electrode 63 can wear to locate, and electrode 63 can be connected with circuit board 61 electricity, and the cigarette bullet can inhale the piece including two second magnetism, and first magnetism is inhaled piece 62 and second magnetism and is inhaled the piece looks to it is fixed to conveniently be connected with cigarette rod 100 with the cigarette bullet. After the cartridge or the tobacco rod 100 is assembled, the electrode 63 on the tobacco rod 100 can be in contact with the electrode of the atomizer in the cartridge, whether power is supplied to the atomizer is controlled through the negative pressure switch, and the power supply module supplies power to the atomizer when the negative pressure switch is triggered.

Installation cavity negative pressure switch installation cavity the electronic cigarette according to the second aspect of the embodiment of the utility model comprises: a tobacco rod 100 and a cartridge. The tobacco rod 100 is the tobacco rod 100 according to the embodiment of the first aspect of the utility model, and the cartridge is arranged at one axial end of the tobacco rod 100.

According to the electronic cigarette provided by the embodiment of the utility model, by arranging the cigarette rod 100, the risk of blockage of the vent 22 of the negative pressure switch or the risk of damage caused by oil immersion of the device can be effectively reduced, and the use reliability of the electronic cigarette is improved.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (12)

1. The utility model provides a tobacco rod of electron cigarette, its characterized in that, the cigarette bullet of electron cigarette is located the axial one end of tobacco rod, the tobacco rod includes:

a tobacco rod shell;

the bracket component, the bracket component is established in the cigarette rod shell, the periphery wall of bracket component with inject between the internal perisporium of cigarette rod shell and be suitable for the chamber of admitting air with external intercommunication, the top of bracket component the cigarette rod shell and inject the cavity between the cigarette bullet jointly, the cavity intercommunication admit air the chamber with the atomizing chamber of cigarette bullet, the installation cavity that has negative pressure passageway in the bracket component and be used for installing negative pressure switch, the installation cavity with negative pressure passageway intercommunication, the neighbouring of negative pressure passageway the one end of cavity is equipped with the shutoff piece, in order to seal the neighbouring of negative pressure passageway the one end of cavity, the shutoff piece with bracket component integrated into one piece, be formed with on the circumference lateral wall of negative pressure passageway with the air vent of admitting air the chamber intercommunication.

2. The tobacco rod of the electronic cigarette of claim 1, wherein the bracket assembly comprises:

the air inlet cavity is defined between the outer peripheral wall of the support and the inner peripheral wall of the smoke rod shell, one end, adjacent to the cavity, of the negative pressure channel is formed in the support, and the blocking piece is integrally formed with the support;

the switch mounting piece is arranged on the bracket and internally defines the mounting cavity;

wherein the negative pressure channel is formed on the bracket or the bracket and the switch mounting member together define the negative pressure channel.

3. The tobacco rod of the electronic cigarette according to claim 2, wherein an opening of one end of the negative pressure channel adjacent to the cavity is provided with a blocking blank arranged around the opening, the blocking blank is integrally formed with the bracket, and the blocking blank is formed into the blocking piece through hot melting.

4. The tobacco rod of the electronic cigarette of claim 1, wherein the outer peripheral wall of the bracket assembly is formed with an air inlet groove, and the air inlet cavity is defined between the inner wall of the air inlet groove and the inner peripheral wall of the tobacco rod shell.

5. The tobacco rod of the electronic cigarette of claim 1, wherein the air intake cavity extends in a circumferential direction of the tobacco rod housing.

6. The tobacco rod of the electronic cigarette of claim 1, wherein a sealing structure is arranged between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the tobacco rod shell, and the sealing structure is positioned between the air inlet cavity and the cavity to seal a gap between the outer peripheral wall of the bracket assembly and the inner peripheral wall of the tobacco rod shell.

7. The tobacco rod of the electronic cigarette of claim 6, wherein the bracket assembly comprises:

the air inlet cavity is defined between the outer peripheral wall of the support and the inner peripheral wall of the smoke rod shell, the sealing structure is arranged on the outer peripheral wall of the support, and the sealing structure and the support are integrally formed;

the switch mounting piece is arranged in the bracket and internally defines the mounting cavity;

wherein the negative pressure channel is formed on the bracket or the bracket and the switch mounting member together define the negative pressure channel.

8. The tobacco rod of the electronic cigarette according to any one of claims 1-7, wherein a liquid storage tank is formed at the top of the bracket assembly, a communication hole for communicating the liquid storage tank with the air inlet cavity is formed on a circumferential side wall of the liquid storage tank, and the liquid storage tank forms a part of the cavity.

9. The tobacco pipe of the electronic cigarette of claim 8, wherein the communication hole and the vent hole are located at opposite ends of the bracket assembly; and/or the communication hole is arranged adjacent to the top of the reservoir.

10. The tobacco rod of the electronic cigarette according to claim 8, wherein the tobacco rod shell is formed with an air inlet hole opposite to and communicating with the air inlet chamber, and the air inlet hole is located between the communication hole and the ventilation hole in a circumferential direction of the tobacco rod shell.

11. The tobacco rod of the electronic cigarette according to claim 8, wherein a guide projection is formed on a circumferential side wall of the reservoir, the guide projection is located on an outer circumferential side of the communication hole and adjacent to the communication hole, and at least a part of the guide projection is located on an upper side of the communication hole.

12. An electronic cigarette, comprising:

a tobacco rod according to any one of claims 1 to 11;

the cigarette bullet is located the axial one end of cigarette pole.

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