CN210017880U

CN210017880U - Cigarette bullet and electron cigarette

Info

Publication number: CN210017880U
Application number: CN201920379938.7U
Authority: CN
Inventors: 邱伟华; 华能
Original assignee: Changzhou Paiteng Electronic Technology Co Ltd
Current assignee: Changzhou Paiteng Electronic Technology Co Ltd
Priority date: 2019-03-22
Filing date: 2019-03-22
Publication date: 2020-02-07
Anticipated expiration: 2029-03-22

Abstract

A cigarette cartridge and an electronic cigarette comprise an atomizer, wherein the atomizer comprises a supporting seat and an atomizing head assembled in the supporting seat; the liquid storage tank is sleeved on the supporting seat, and a smoke oil cavity is defined between the liquid storage tank and the supporting seat; the liquid pump is used for pumping the tobacco tar in the tobacco tar cavity to the atomizing head; the constant pressure part is connected to the supporting seat in a matching mode and only allows external air to flow into the smoke cavity in a one-way mode. The utility model discloses a cigarette bullet and electron cigarette, because the start-up speed of liquid pump is fast, when the liquid of tobacco tar intracavity reduces, the atmospheric pressure of tobacco tar intracavity reduces and causes the tobacco tar intracavity to hold back breath, and leads to the work load of piezoelectric pump to rise to arouse the damage of piezoelectric pump. Through the setting of constant pressure spare, can supply the air in the tobacco tar chamber fast for tobacco tar chamber atmospheric pressure is balanced, and piezoelectric pump sending tobacco tar is more smooth and easy.

Description

Cigarette bullet and electron cigarette

Technical Field

The utility model relates to an electron cigarette field, in particular to cigarette bullet and electron cigarette that can supply liquid automatically.

Background

At present, the electronic cigarette liquid supply mode is basically to give a liquid storage part, and then manual or through the mode that imbibition piece adsorbs, realize that liquid storage part provides the required tobacco tar of atomizing to the atomizer. Meanwhile, the liquid pump is arranged in part of the electronic cigarettes, tobacco tar is automatically pumped into the atomizer, but because the liquid pump is high in starting speed, when liquid in the tobacco tar cavity is reduced, air pressure in the tobacco tar cavity is reduced, the tobacco tar cavity is inflated, the working load of the piezoelectric pump is increased, and the piezoelectric pump is damaged.

SUMMERY OF THE UTILITY MODEL

In view of the above, there is a need to provide a cartridge that ensures a smoother pumping of the tobacco tar.

It is also necessary to provide an electronic cigarette having the cartridge.

A cartridge, comprising:

the atomizer comprises a supporting seat and an atomizing head assembled in the supporting seat;

the liquid storage tank is sleeved on the supporting seat, and a smoke oil cavity is defined between the liquid storage tank and the supporting seat;

the liquid pump is used for pumping the tobacco tar in the tobacco tar cavity to the atomizing head;

the constant pressure part is connected to the supporting seat in a matching mode and only allows external air to flow into the smoke cavity in a one-way mode.

In one embodiment, the support seat is provided with a constant pressure hole for communicating external air with the smoke chamber, and the constant pressure member is fitted in the constant pressure hole.

In one embodiment, the supporting seat comprises an atomizing base and an atomizing support supported on the atomizing base, the atomizing base is provided with an air inlet hole communicated with the outside, the atomizing support penetrates through a mounting hole communicated with the air inlet hole and the smoke cavity, and the air inlet hole and the mounting hole are jointly used as the constant pressure hole.

In one embodiment, the constant compression element is one of a one-way valve or a waterproof, breathable membrane.

In one embodiment, the support seat is provided with a fitting portion at an outer periphery thereof, and the liquid pump is fitted into the fitting portion.

In one embodiment, the support base comprises an atomizing support, the atomizing head is assembled in the atomizing support, and the atomizing support comprises a top part facing the oral cavity of a user, a bottom part facing away from the top part and a side part connected between the top part and the bottom part;

the assembling portion is formed on the side portion of the atomizing support, and the liquid pump is installed in the assembling portion and located in a flow path of the tobacco tar to serve as a part of a fluid passage communicating between the tobacco tar chamber and the atomizing head.

In one embodiment, the liquid pump includes a pump body, the pump body is provided with a liquid suction port communicated with the tobacco tar cavity and a liquid pump port communicated with the atomizing head, the support seat is internally provided with a liquid outlet communicated with the atomizing head, an included angle between a central axis of a fluid passage between the liquid pump port and the liquid outlet and a central axis of the atomizer is α, and 0 degree is greater than α and is equal to or less than 90 degrees.

In one embodiment, the liquid pump comprises a pump body, a liquid suction port communicated with the tobacco tar cavity and a pump liquid port communicated with the atomizing head are formed in the pump body, and the liquid suction port and the pump liquid port are both located on the same side, facing the atomizing head, of the pump body.

An electronic cigarette comprising said cartridge and battery means for providing electrical drive to said cartridge.

The utility model discloses a cigarette bullet and electron cigarette, because the start-up speed of liquid pump is fast, when the liquid of tobacco tar intracavity reduces, the atmospheric pressure of tobacco tar intracavity reduces and causes the tobacco tar intracavity to hold back breath, and leads to the work load of piezoelectric pump to rise to arouse the damage of piezoelectric pump. Through the setting of constant pressure spare, can supply the air in the tobacco tar chamber fast for tobacco tar chamber atmospheric pressure is balanced, and piezoelectric pump sending tobacco tar is more smooth and easy.

A cartridge, comprising:

a liquid pump for pumping the tobacco tar in the tobacco tar cavity to the atomizing head, the liquid pump comprising a pump liquid port;

wherein the atomizing head includes a receiving portion facing the pump liquid port, the receiving portion being made of a hard material.

the top is provided with a liquid inlet communicated with the tobacco tar cavity, the inside of the atomizing support is provided with a liquid outlet communicated with the atomizing head, and the liquid pump is arranged in a fluid channel between the liquid inlet and the liquid outlet.

In one embodiment, the liquid pump includes a pump body, the pump body is provided with a pump liquid port and a liquid suction port, the support seat is internally provided with a liquid outlet communicated with the atomizing head, an included angle between a central axis of a fluid passage between the pump liquid port and the liquid outlet and a central axis of the atomizer is α, and the included angle is more than 0 degree and less than α and less than or equal to 90 degrees.

In one embodiment, an angle between a central axis of the fluid passage between the pump liquid outlet and the liquid outlet and a central axis of the atomizer is 90 °.

In one embodiment, the upper surface of the atomizing head is at least partially accommodated in the liquid outlet, and the upper surface of the atomizing head is used as a liquid absorption surface.

In one embodiment, the supporting seat further comprises an atomizing base, an atomizing cavity is formed between the atomizing support and the atomizing base, and the atomizing head is at least partially accommodated in the atomizing cavity.

In one embodiment, the atomizing head is arranged at the bottom of the atomizing support, and the lower surface of the atomizing head is used as an atomizing surface.

In one embodiment, the atomizing head is a porous ceramic heating element.

The utility model discloses a cigarette bullet and electron cigarette, because the start-up speed of liquid pump is fast, pressure is stronger during the pump sending tobacco tar, and receiving portion is made by hard material to atomizing head inefficacy and lead to the weeping when preventing that the tobacco tar that has stronger pressure from assaulting the receiving portion that soft materials made.

A cartridge, comprising:

wherein, the periphery of supporting seat has seted up assembly portion, the liquid pump is packed into in the assembly portion.

In one embodiment, the liquid pump is a piezoelectric pump.

In one embodiment, the support seat comprises an atomizing base assembled at the bottom of the atomizing support, the atomizing base is provided with an air inlet communicated with the outside, and the atomizing support is provided with a mounting hole communicated with the air inlet and the smoke cavity in a penetrating manner;

the cartridge comprises a constant pressure member which is fitted in the mounting hole and forms a one-way airflow passage allowing only one-way inflow of outside air into the smoke chamber.

In one embodiment, the constant pressure member extends into the air layer above the smoke chamber towards the top end of the smoke chamber.

In one embodiment, the constant pressure element is a duckbill check valve.

In one embodiment, the atomizing head comprises a liquid absorbing part and a heating part, the heating part is a porous ceramic heating part, and the liquid absorbing part is porous ceramic.

The utility model discloses a cigarette bullet and electron cigarette, liquid transmission uses the liquid pump to go on between oil pocket and the atomising head, and the liquid pump can come the automatic feed tobacco tar according to atomising head consumption, effectively prevents weeping and dry combustion method. Simultaneously, the periphery of supporting seat is packed into through the assembly portion to the liquid pump for the liquid pump can be directly packed into by the outside of supporting seat, easy dismounting.

Drawings

Fig. 1 is a schematic structural view of a smoke cartridge in an electronic cigarette according to an embodiment of the present invention;

figure 2 is an exploded view of the cartridge of the electronic cigarette of figure 1;

figure 3 is a bottom view of the cartridge of the electronic cigarette of figure 1;

figure 4 is a cross-sectional view of the cartridge of figure 3 taken along the line a-a;

figure 5 is a front view of a cartridge in the electronic cigarette of figure 1;

figure 6 is a cross-sectional view of the cartridge of figure 5 taken along the direction B-B.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, in an embodiment of the present invention, an electronic cigarette 100 includes a cartridge 10 and a battery device (not shown) for providing electric drive to the cartridge 10. Wherein the tobacco tar stored in the cartridge 10 can be heated by the electric drive of the battery device to form smoke, and the smoke is inhaled into the mouth of the user by the suction action of the user for the user to eat.

Referring to fig. 2, the cartridge 10 includes an atomizer 11, a reservoir 13, and a liquid pump 15. Wherein, a tobacco tar cavity 130 (as shown in fig. 3) for storing tobacco tar is formed in the liquid storage compartment 13, the liquid pump 15 is used for automatically pumping the tobacco tar in the tobacco tar cavity 130 into the atomizer 11, and the tobacco tar is heated under the driving of the battery device to form smoke for a user to suck.

The atomizer 11 includes a support base 110 and an atomizing head 112. The supporting base 110 is used for providing a mounting base, the periphery of the supporting base is provided with a mounting portion 1101 communicated with the outside, the liquid pump 15 is detachably installed in the mounting portion 1101 and used for pumping tobacco tar into the atomizing head 112, and a tobacco tar cavity 130 is defined between the liquid storage cabin 13 and the supporting base 110. The above-mentioned "outer periphery" means an outer surface of the support base 110 exposed to the external environment in a state of not being housed in the liquid storage tank 13. The aforementioned "fitting portion 1101" includes, but is not limited to, notches, holes, grooves, and the like.

Specifically, the supporting base 110 includes an atomizing support 1103 and an atomizing base 1105. Wherein, the atomizing support 1103 is assembled on the atomizing base 1105, and the atomizing head 112 is assembled in the atomizing support 1103. It will be appreciated that in other embodiments not shown, the atomizing base 1105 is integrally formed with the atomizing support 1103.

The atomizing support 1103 includes a top portion 1103A facing toward the mouth of the user, a bottom portion 1103B facing away from the top portion, and a side portion 1103C connected between the top portion 1103A and the bottom portion 1103B. The fitting portion 1101 is formed at a side portion 1103C of the atomizing support 1103, and the liquid pump 15 is fitted into the fitting portion 1101 by the side portion 1103C of the atomizing support 1103 and is located in a flow path of the soot as a part of a fluid passage communicating between the soot chamber 130 and the atomizing head 112. It is to be understood that in other embodiments not shown, the fitting portion 1101 is formed at the top 1103A or the bottom 1103B of the atomizing mount 1103, and the liquid pump 15 is loaded into the fitting portion 1101 from the top 1103A or the bottom 1103B of the atomizing mount 1103.

Specifically, the top 1103A of the atomizing support 1103 is provided with a liquid inlet 1104A communicated with the tobacco tar cavity 130, the atomizing support 1103 is provided with a liquid outlet 1104B (as shown in fig. 3) communicated with the atomizing head 112 inside, and a channel between the liquid inlet 1104A and the liquid outlet 1104B is a fluid channel for flowing of the tobacco tar. When the liquid pump 15 is installed in the fluid path between the inlet port 1104A and the outlet port 1104B, it can act as a part of the fluid path and provide a driving force for the flow of the soot.

That is, the liquid pump 15 can be freely attached to and detached from the side portion 1103C of the atomizing holder 1103 in the mounting portion 1101. Meanwhile, the liquid pump 15 is used as a part of the fluid channel, so that the tobacco tar in the tobacco tar cavity 130 can be automatically and timely supplemented into the atomizing head 112, and abnormal conditions such as dry burning of the atomizing head 112 are avoided.

Specifically, an atomization cavity 113 is formed between the atomization support 1103 and the atomization base 1105, the atomization head 112 is at least partially accommodated in the atomization cavity 113, in this specific embodiment, the atomization head 112 is disposed at the bottom 1103B of the atomization support 1103, and the lower surface of the atomization head 112 serves as an atomization surface.

Referring to fig. 3 and 4, in particular, the liquid pump 15 includes a pump body 150, a liquid suction port 1501 communicating with the smoke chamber 130 and a liquid pump port 1503 communicating with the atomizing head 112 are formed in the pump body 150, the liquid suction port 1501 and the liquid pump port 1503 are both located on the same side of the pump body 50 facing the atomizing head 112, an angle between a central axis of a fluid passage between the liquid pump port 1503 and the liquid outlet 1104B and a central axis of the atomizer 11 is α, and 0 ° < α ≦ 90 °, preferably, an angle α between the central axis of the fluid passage between the liquid pump port 1503 and the liquid outlet 1104B and the central axis of the atomizer 11 is 90 °, that is, after the smoke oil in the smoke chamber 130 is pumped into the pump body 150 through the liquid suction port 1501 facing the side of the atomizing head 112, the smoke oil continues to be pumped along the liquid pump port 1503 facing the atomizing head 112 and conveyed to the atomizing head 112 (as shown by the arrow in fig. 4), a pumping path from the liquid pump port to the liquid outlet 1104B is simplified, which is beneficial to improve the response speed of the liquid pump 15, and in this embodiment, at least a portion of the liquid pump head 112 is contained on the upper surface 1104 of the atomizing head 112.

In this embodiment, the liquid pump 15 is generally a piezoelectric pump due to the small size of the atomizer 11. The piezoelectric pump is flat, and the basic principle is that the piezoelectric vibrator vibrates to deform by utilizing the inverse piezoelectric effect of piezoelectric ceramics, and the volume change of a pump cavity formed between the piezoelectric ceramics and the shell realizes fluid output.

When the central axis of the fluid passage between the pump fluid port 1503 and the fluid outlet 1104B forms a 90-degree included angle with the central axis of the atomizer 11, the pipeline from the pump fluid port 1503 to the fluid outlet 1104B is straight, and the response speed of pumping the liquid is high; on the other hand, the pipeline from the pump liquid port 1503 to the liquid outlet 1104B is straight, which is beneficial to simplifying the pipeline, is not easy to block the pipeline, and reduces the difficulty of pipeline design.

The atomizing head 112 includes a receiving portion (not shown) facing the pump liquid port 1503, the receiving portion is opposite to the liquid outlet 1104B, and the receiving portion may be a heat generating member (not shown) or a liquid guiding member (not shown), in this embodiment, the receiving portion is made of a hard material in consideration of a relatively high pressure when the liquid pump 15 pumps the smoke oil, so as to prevent the atomizing head from failing and causing liquid leakage when the smoke oil having the relatively high pressure impacts the receiving portion made of a soft material, specifically, the atomizing head is a porous ceramic heat generating member, and the porous ceramic heat generating member is made of a hard material.

Referring again to fig. 2, further, the atomizer 11 further includes an atomizing electrode 114 and a liquid pump electrode 116. The atomizing electrode 114 is mounted on the atomizing base 1105 and at least partially extends into the atomizing support 1103 to electrically connect with the atomizing head 112 mounted in the atomizing support 1103, so that the atomizing head 112 and the battery device form an atomizing circuit.

Similarly, the liquid pump electrode 116 is mounted on the atomizing base 1105, and the end far from the atomizing base 1105 extends into the atomizing support 1103 to be fixed on the atomizing support 1103 by the pump electrode fixing member 118, so as to be electrically connected with the liquid pump 15 fitted in the mounting portion 1101. It will be appreciated that in other embodiments, not shown, the liquid pump electrode 116 is mounted on the atomizing base 1105 with the end remote from the atomizing base 1105 projecting into the atomizing support 1103 for direct electrical connection with the liquid pump 15 fitted in the mounting portion 1101.

When in use, the tobacco tar in the tobacco tar cavity 130 is pumped into the fluid channel from the liquid inlet 1104A by the driving of the liquid pump 15, sucked into the pump body 150 through the liquid suction port 1501, pumped out through the pump liquid port 1503, and finally flows out from the liquid outlet 1104B to the atomizing head 12 for heating and atomizing by the atomizing head 12.

Referring to fig. 2, 5 and 6, further, an airflow inlet 1107 is formed on the atomizing base 1105, the airflow inlet 1107 communicates with the external air and the atomizing chamber 113, the cartridge 10 further includes a vent tube 132, and the smoke generated in the atomizing chamber 113 is delivered to the mouth of the user through the inner cavity of the vent tube 132. In this embodiment, an airflow inlet 1107 is provided at a position where the atomizing base 1105 faces the atomizing head 112, a smoke suction port 134 is provided at one end of the liquid storage compartment 13 facing the oral cavity of the user, an air pipe 132 facing the atomizing head 12 is provided at the middle of the liquid storage compartment 13, an inner cavity of the air pipe 132 is communicated with the smoke suction port 134, a communication hole 1112 is provided on the top 1103A of the atomizing support 1103, the lower end of the air pipe 132 is inserted into the communication hole 1112, the inner cavity of the air pipe 132 is communicated with the communication hole 1112, a smoke outlet chamber 1114 is formed inside the atomizing support 1103, the communication hole 1112 is communicated with the smoke outlet chamber 1114, a smoke guide groove 1116 is provided on a side portion 1103C of the atomizing support 1103, and the smoke guide groove 1116 communicates the. That is, the airflow inlet 1107 is disposed below the atomizing head 112 and the vent 132 is disposed above the atomizing head 112. Thus, the cool air flows through the airflow inlet 1107, the atomizing chamber 113, the smoke guiding slot 1116, the smoke outlet chamber 1114, the communication hole 1112 and the inner cavity of the ventilation tube 132 in sequence under the suction action of the user, and finally reaches the oral cavity of the user through the smoke suction port 134 (as shown by the arrow in fig. 6). It will be appreciated that in other embodiments not shown, the reservoir 13 and the vent tube 132 are two separate pieces or are integrally formed.

The supporting seat 110 is provided with a constant pressure hole 1108 for communicating external air with the smoke chamber 130, correspondingly, the smoke cartridge 10 comprises a constant pressure member 17, the constant pressure member 17 is connected in the constant pressure hole 1108 and only allows the external air to flow into the smoke chamber 130 in a one-way manner, specifically, the atomizing base 1105 is provided with an air inlet 1109 communicated with the outside, the atomizing support 1103 is penetrated through the mounting hole 10 for communicating the air inlet 1109 with the smoke chamber 130, the air inlet 1109 and the mounting hole 10 jointly serve as the constant pressure hole 1108, the constant pressure member 17 can be a one-way valve or a waterproof breathable film and the like, in the embodiment, the constant pressure member 17 is a one-way valve, and the one-way valve is connected in the mounting hole 1110 and forms a one-way airflow channel for only allowing the external.

In this embodiment, since the piezoelectric pump (the liquid pump 15) is started quickly, when the liquid in the smoke chamber 130 decreases, the air pressure in the smoke chamber 130 decreases and causes the smoke chamber 130 to be inflated, which causes the working load of the piezoelectric pump to increase, thereby causing damage to the piezoelectric pump. Through the setting of constant pressure spare 17, can supply the air in the cigarette oil chamber 13 fast for cigarette oil chamber 13 atmospheric pressure is balanced, and the piezoelectric pump sending tobacco tar is more smooth.

During use, external cold air flows to the atomizing head 112 through the airflow inlet 1107 under the suction action of the user, and then reaches the mouth of the user through the gap between the atomizing support 1103 and the liquid storage chamber 13 and the ventilation tube 132 after being mixed with the smoke generated by heating the atomizing head 112. Meanwhile, external cold air also enters the smoke chamber 130 through the air inlet 1109 and the constant pressure piece 17, so that the phenomenon of air blocking caused by reduction of air pressure in the smoke chamber 130 in the atomization process is avoided.

Further, the check valve extends into the air layer at the upper part of the smoke chamber 130 towards the top end of the smoke chamber 130, so that the air flowing through the check valve can quickly reach the air layer of the smoke chamber 130, and the response speed is improved. Preferably, the one-way valve is a duckbill one-way valve.

Furthermore, the cartridge 10 further includes a sealing ring 19, and the sealing ring 19 is respectively disposed between the atomizing base 1105 and the reservoir 13 and between the atomizing head 112 and the atomizing support 1103 in a sealing manner, so as to prevent the oil from leaking from the cartridge 10.

Meanwhile, the cartridge 10 further comprises an inlet sealing member 20, and the inlet sealing member 20 is hermetically disposed at the top 1103A of the atomizing support 1103. Correspondingly, the inlet seal 20 is provided with a first opening 21, a second opening 23 and a third opening 25 at intervals. Wherein, the first opening 21 connects the smoke chamber 130 with the inlet of the fluid channel, ensuring that the smoke in the smoke chamber 130 can be pumped to the atomizing head 12 under the action of the liquid pump 15. The second opening 23 communicates the smoke chamber 130 with the mounting hole 1110, ensuring that the external air entering the constant pressure member 17 can be introduced into the smoke chamber 130, ensuring the balance of the air pressure in the smoke chamber 130. The third opening 25 is positioned in correspondence with the communication hole 1112 to ensure the air flow communication between the communication hole 1112 and the inner cavity of the vent pipe 132.

The liquid transmission between this application cartridge 10, tobacco tar chamber 130 and atomising head 112 uses liquid pump 15 to go on, and liquid pump 15 can come the automatic supply tobacco tar according to atomising head 112 consumption, effectively prevents weeping and dry combustion method. Meanwhile, the liquid pump 15 is installed in the periphery of the support base 110 through the assembling portion 1101, so that the liquid pump 15 can be directly installed from the outside of the support base 110, and the assembly and disassembly are convenient. Meanwhile, air in the smoke chamber 130 can be quickly supplemented through the constant pressure part 17, so that the air pressure of the smoke chamber 130 is balanced, and liquid pumping is smooth.

The embodiment of the present invention provides an electronic cigarette 100, which has all the technical features of the above-mentioned cartridge 10, and thus has the same technical effects as the above-mentioned cartridge 10.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A cartridge, characterized in that it comprises:

2. The cartridge of claim 1, wherein the support base defines a constant pressure hole communicating external air with the chamber, and the constant pressure member is fitted in the constant pressure hole.

3. The cartridge of claim 2, wherein the support base includes an atomizing base and an atomizing support supported on the atomizing base, the atomizing base defines an air inlet hole communicating with the outside, the atomizing support defines a mounting hole communicating with the air inlet hole and the smoke chamber, and the air inlet hole and the mounting hole together serve as the constant pressure hole.

4. The cartridge of claim 1, wherein the constant pressure component is one of a one-way valve or a waterproof, breathable membrane.

5. The cartridge of claim 1, wherein the support base defines a mounting portion about an outer periphery thereof, the liquid pump being received within the mounting portion.

6. The cartridge of claim 5, wherein the support base includes an atomizing support within which the atomizing head fits, the atomizing support including a top facing toward a mouth of a user, a bottom facing away from the top, and sides connected between the top and the bottom;

7. The cartridge of claim 1, wherein the liquid pump comprises a pump body, the pump body defines a liquid suction port communicating with the tobacco tar cavity and a liquid pump port communicating with the atomizing head, the support base defines a liquid outlet communicating with the atomizing head, an included angle between a central axis of the fluid passage between the liquid pump port and the liquid outlet and a central axis of the atomizer is α, and 0 ° < α ° is less than or equal to 90 °.

8. The cartridge of claim 1, wherein the liquid pump comprises a pump body, the pump body defines a liquid suction port in communication with the tobacco tar cavity and a liquid pump port in communication with the atomizing head, and the liquid suction port and the liquid pump port are both located on a same side of the pump body facing the atomizing head.

9. An electronic cigarette, characterized in that it comprises a cartridge according to any one of claims 1 to 8 and battery means for providing electrical drive to said cartridge.