US20180192699A1

US20180192699A1 - Electronic cigarette atomizer and electronic cigarette

Info

Publication number: US20180192699A1
Application number: US15/656,452
Authority: US
Inventors: Ling Wang
Original assignee: CONWEAL TECHNOLOGIES Co Ltd
Current assignee: CONWEAL TECHNOLOGIES Co Ltd
Priority date: 2017-01-11
Filing date: 2017-07-21
Publication date: 2018-07-12

Abstract

The present invention discloses an electronic cigarette atomizer of an electronic cigarette. The electronic cigarette atomizer comprises a top cover assembly, a base, an outer barrel connected between the top cover assembly and the base, and an atomization assembly located in the outer barrel and connected to the base. The atomization assembly comprises an electrode assembly which is of a single post structure, and heating coils clamped onto the electrode assembly. The electrode assembly comprises an upper electrode part and a lower electrode part which are laminated along the vertical axis, as well as a partition plate unit connected between the upper electrode part and the lower electrode part. One lead of each heating coil is clamped between the upper electrode part and the partition plate unit, and the other lead is clamped between the lower electrode part and the partition plate unit. This design not only reduces the area occupied by an atomization device on an e-liquid storage chamber and improves e-liquid storage capacity of the e-liquid storage chamber, but also makes it more convenient to remove or install the heating coil.

Description

CROSS REFERENCE TO RELATED APPLICATIONS

This is a continuation-in-part application of International Application PCT/CN2017/080082, with an international filing date of Apr. 11, 2017, which claims priority to Patent Application No. 201710019726.3 filed in The People's Republic of China on Jan. 11, 2017. This application also claims priority to U.S. Provisional Patent Application No. 62/452,180, filed Jan. 30, 2017, the contents of which are incorporated by reference in their entireties.

TECHNICAL FIELD

The present invention relates to the field of personal vaporizers also known as electronic cigarette technologies, and particularly, to the atomizer of an electronic cigarette. An atomizer being the chamber in which an e-liquid is stored and converted into a vape cloud and subsequently inhaled.

BACKGROUND

Vaping of e-liquid with electronic cigarettes is accomplished through atomization by means of a heating element. An atomizer in an existing electronic cigarette typically has a configuration of single or dual heating coils (coils meaning a heating element formed by wrapping a length of resistance wire in a spiral configuration to produce a heating element). The single or dual heating coil configuration will meet the requirements for vape production of most users.
Most current atomizers have a structure with two or more locking posts for attaching positive and negative leads of these heating coils. Specifically, a central post is coaxial with the outer barrel and is usually a positive pole, and the other one or two posts are conductive to a base of the atomizer and are used as negative poles. To install or replace a heating coil, a user needs to attach one lead of a heating coil on the central post and attach the other lead on one of the other two posts. However, the structure of the three posts greatly constrains the length of the electrical heating coil. Moreover, the central post occupies part of a space for storing e-liquid. Besides, when the heating coil is installed, the user needs to lock multiple attachment points, which is extremely inconvenient.

SUMMARY

The objective of the present invention is to provide an electronic cigarette atomizer, as to resolve the problems with an existing atomizer that the e-liquid storage space is small and it is difficult to install and replace heating coils.
The present invention is implemented in this manner: an atomizer assembly comprised of a top cover, a base, an outer barrel connected between the top cover assembly and the base, and an atomization assembly located in the center of the outer barrel and connected to the base; the atomization assembly comprises an electrode assembly which is of a single post structure allowing the leads of the heating elements to be attached simultaneously; the electrode assembly comprises an upper electrode part and a lower electrode part which are laminated along the vertical axis, as well as a partition plate unit connected between the upper electrode part and the lower electrode part. one lead of each heating coil is clamped between the upper electrode part and the partition plate unit, and the other lead is clamped between the lower electrode part and the partition plate unit.
Furthermore, the atomization assembly comprises a locking part for compressing the upper electrode part, the lower electrode part and the partition plate unit, as well as a conductive post penetrating into the partition plate unit and contacting the upper electrode part. The locking component is accomplished via a screw fitted through the upper electrode which threads into the top of the conductive post.
Furthermore, the lower end of the conductive post penetrates the lower electrode part to be connected to an electrode stud, and the electrode stud penetrates the base; an insulating sleeve covering the electrode stud is further connected between the electrode stud and the base and the base forms the lower electrode part; The electrode stud and the base are electrically connected to a positive pole and a negative pole of a power supply respectively.
Furthermore, the partition plate unit includes a first partition plate, a second partition plate, and an insulating plate that is connected between the first partition plate and the second partition plate, and both the first partition plate and the second partition plate are conductive plates made of a metal material.
Furthermore, a first indexing pin extends on the bottom surface of the first partition plate towards the insulating plate, a second indexing pin extends on the top surface of the second partition plate towards the insulating plate, and the insulating plate is provided with a plurality of indexing holes corresponding to the first indexing pin and the second indexing pin.
Furthermore, the extending height of the first indexing pin and the extending height of the second indexing pin are both smaller than the thickness of the insulating plate.
Furthermore, the first partition plate, the second partition plate, and the insulating plate are respectively provided with a first partition plate through hole, a second partition plate through hole, and an insulating plate through hole, and the upper end of the conductive post sequentially penetrates the first partition plate through hole, the insulating plate through hole and the second partition plate through hole and then is connected to the locking part screw.
Furthermore, the atomization assembly further comprises a spring which sleeves the conductive post and is used for reinforcing electrical connection between the conductive post and the upper electrode part, the spring and the conductive post are coaxial, the upper end of the spring abuts against the bottom surface of the insulating plate, and the lower end of the spring abuts against an insulating pad.
Furthermore, the insulating plate is made of a polyether-ether-ketone material.
Furthermore, a vertical through hole is formed in the conductive post, the inner wall of the upper portion of the through hole is provided with a first internal thread for threaded connection to the locking part screw, and the inner wall of the lower portion of the through hole is further provided with a second internal thread for threaded connection to the electrode stud.
Furthermore, the locking part screw is internally further provided with a first through groove for e-liquid to pass, the electrode stud is internally further provided with a second through groove for the e-liquid to pass, and the first through groove and the second through groove are disposed along the vertical axis and communicated with the through hole.
Furthermore, there are a plurality of heating coils, leads at the upper ends of the plurality of heating coils are clamped between the upper electrode part and the partition plate unit, leads at the lower ends of the plurality of heating coils are clamped between the lower electrode part and the partition plate unit, and the plurality of heating coils are annular and are connected around the partition plate unit at equal intervals.
Furthermore, the top cover assembly comprises a drip tip and a top cover body covering the top of the outer barrel.
Furthermore, an e-liquid storage chamber is formed in the outer barrel, the atomization assembly is located at the middle of the e-liquid storage chamber, and the drip tip is communicated with the e-liquid storage chamber.
Furthermore, the outer barrel is further provided with two air intake holes, and the two air intake holes are separately on two sides of the atomization assembly.
Compared with the prior art, the electronic cigarette atomizer provided by the present invention has the following technical effects: the electrode assembly of the atomization assembly is designed to be of a laminated single post structure, the upper portion of the single post structure is designed into the upper electrode part, the lower portion of the single post structure is designed into the lower electrode part, and the partition plate unit is connected between the upper electrode part and the lower electrode part; a conventional multi-post structure is replaced with the single post structure, so that an e-liquid space in the e-liquid storage chamber is larger; two leads of a heating coil are clamped between the upper electrode part and the partition plate unit and between the lower electrode part and the partition plate unit respectively; accordingly, when the heating coil is dismantled or installed, a user only needs to disconnect or connect the upper electrode part and the partition plate unit and disconnect or connect the lower electrode part and the partition plate unit, so it is easier to install and replace the heating coil.

BRIEF DESCRIPTION OF THE DRAWINGS

To describe the technical solutions in the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings required for describing the embodiments or the prior art. Apparently, the accompanying drawings in the following description show merely some embodiments of the present invention, and a person of ordinary skill in the art may still derive other drawings from these accompanying drawings without creative efforts.

FIG. 1 is a schematic structural view of an electronic cigarette atomizer according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view of an electronic cigarette atomizer according to an embodiment of the present invention;

FIG. 3 is a schematic exploded view of an electronic cigarette atomizer according to an embodiment of the present invention;

FIG. 4 is a schematic structural view of an atomization assembly according to an embodiment of the present invention;

FIG. 5 is a schematic exploded view of an atomization assembly according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of an upper electrode part according to an embodiment of the present invention;

FIG. 7 is a schematic exploded view of a partition plate unit in the present invention;

FIG. 8 is a schematic structural view of an insulating pad in the present invention.

DESCRIPTION OF EMBODIMENTS

To make the objectives, technical solution, and advantages of the present invention clearer and more comprehensible, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely used to explain the present invention, and are not intended to limit the present invention.
It should be noted that when an element is “fixed to” or “arranged on” another element, the element can be on another element directly or indirectly. When an element is “connected to” another element, the element can be connected to another element directly or indirectly.
It should be understood that directional or positional relationships indicated by terms “length”, “width”, “up”, “down”, “front”, “rear”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside” and “outside” and the like are directional or positional relationships shown by accompanying drawings, which are used only for describing the present invention and for description simplicity, but do not indicate or imply that an indicated apparatus or component must have a specific orientation or must be constructed and operated in a specific orientation. Therefore, this cannot be understood as a limitation on the present invention.
In addition, the terms “first” and “second” are only used for description purpose only, and shall not be construed as indicating or implying relative importance or impliedly indicating the number of technical features. Thus, a feature with a modifier of “first” or “second” can include, expressly or implicitly, one or more of the features. In the descriptions of the present invention, “a plurality of” means two or more, unless otherwise specifically specified.
In reference to FIG. 1-8, an embodiment of the present invention provides an electronic cigarette atomizer which comprises a top cover assembly 10, an outer barrel 20, a base 30 and an atomization assembly 40; the top cover assembly 10, the outer barrel 20 and the base 30 define an e-liquid storage chamber 21, and the atomization assembly 40 is installed in the e-liquid storage chamber 21. In this embodiment, the outer barrel 20 is provided with two air intake holes 22 and 23, the two air intake holes 22 and 23 are located in the two sides of the atomization assembly 40 respectively, and the top cover assembly 10 comprises a top cover body 11 and a drip tip 12 having heat insulation performance. When a user uses the atomizer, air enters the e-liquid storage chamber 21 through the two air intake holes 22 and 23, the atomization device 40 operates and atomizes e-liquid in the e-liquid storage chamber 21 so that the user can inhale vape from the drip tip 12. After the aforementioned technical solution is adopted, the temperature of the drip tip 12 is lowered, and accidents such as the damage to the human body caused by a too high temperature of the drip tip 12 are avoided. Moreover, the drip tip 12 is made of polyether imide (PEI), which is high-grade medical plastic and is safe and non-toxic. Therefore, the market competitiveness of the product is improved.
In reference to FIG. 4-8, the atomization assembly 40 comprises an electrode assembly which is of a single post structure, and heating coils 43 clamped onto the electrode assembly. The electrode assembly comprises an upper electrode part 41, a partition plate unit 42 and a lower electrode part which are laminated along the vertical axis, and the partition plate unit 42 is connected between the upper electrode part 41 and the lower electrode part. The number of the heating coils 43 can be determined according to the user's vape production requirements, e.g., there is one heating coil or a plurality of heating coils 43, and the plurality of heating coils 43 are preferably annularly arranged around the outer side of the partition plate unit 42. In this embodiment, there are two heating coils 43. One lead of each heating coil 43 is clamped between the upper electrode part 41 and the partition plate unit 42, and the other lead is clamped between the partition plate unit 42 and the lower electrode part. In this embodiment, the base 30 forms the lower electrode part; that is, the lower electrode part is the base 30.
In the atomizer designed as above, the electrode assembly of the atomization assembly is designed to be of a single post structure, the upper portion of the laminated single post structure is designed into the upper electrode part 41, the lower portion of the single post structure is designed into the lower electrode part, and the partition plate unit 42 is connected between the upper electrode part and the lower electrode part; a conventional multi-post structure is replaced with the single post structure, so that an e-liquid space in the e-liquid storage chamber 21 is larger; two leads of each heating coil 43 are clamped between the upper electrode part 41 and the partition plate unit 42 and between the lower electrode part and the partition plate unit 42 respectively; accordingly, when the heating coil 43 is dismantled or installed, a user only needs to disconnect or connect the upper electrode part 41 and the partition plate unit 42 and disconnect or connect the lower electrode part and the partition plate unit 42, so it is easier to install and replace the heating coil 43.
In reference to FIG. 4-8, the atomization assembly further comprises a locking part 46 for compressing the upper electrode part, the lower electrode part and the partition plate unit, as well as a conductive post 45 which is vertically connected into the partition plate unit 42 and gets in contact with the upper electrode part; and the locking part 46 is provided with an upper electrode part boss 453 for penetrating the upper electrode part 41 to be connected to the top of the conductive post 45. The conductive stud 61 penetrates the base 30, an insulating sleeve 50 covering the electrode stud 61 is further connected between the electrode stud 61 and the base 30, and the electrode stud 60 and the base 30 are electrically connected to a positive pole and a negative pole of a power supply respectively. The electrode stud 61 penetrates the base 30 in an insulating mode to be connected to the conductive post 45, and the conductive post 45 is connected to a locking part screw 461. The locking part screw 461 is in contact with the upper electrode part 41 to connect the upper electrode part 41 to the positive pole or the negative pole.
In this embodiment, an insulating pad 44 is further connected between the lower end of the conductive post 45 and the base 30, and the insulating pad 44 is used for preventing electric conduction between the conductive post 45 and the base 30.
In reference to FIG. 4-8, cross sections of both the upper electrode part 41 and the partition plate unit 42 are ovals, and the heating coil 43 is installed on a short axis of the oval structure, so that a distance between the atomization assembly 40 and the outer barrel 20 is increased, a length selection range of the heating coil 43 is further increased, and an application scope of the atomizer is expanded.
In reference to FIG. 4-8, the partition plate unit 42 comprises a first partition plate 421, a second partition plate 422, and an insulating plate 423, and the insulating plate 423 is arranged between the first partition plate 421 and the second partition plate 422. In this embodiment, both the first partition plate 421 and the second partition plate 422 are conductive plates made of a metal material. Such design can guarantee that in the heating process of the heating coil 43, local overheating of the insulating plate 423 is not caused, a conductive contact surface of the heating coil 43 can further be increased, so that a problem that the heating coil 43 cannot work due to poor contact is solved; besides, the heating coil 43 only needs to be simply wound into a spiral shape, and two or more leads can be installed between the first partition plate 421 and the base 30 and between the second partition plate 422 and the upper electrode part 41 respectively without a need to adjust positions of the leads; thus, resistance of the atomization assembly 40 can be reduced, and the use efficiency of the atomizer is improved. The insulating plate 423 is made of a PEEK material, and PEEK material stands for polyether-ether-ketone material. Because the insulating plate 423 is made of the PEEK material and the PEEK material can bear high temperature of 260° C. and can bear a high temperature of 315° C. in a short time, a problem that a silicone structure in a conventional atomizer is subject to creep deformation at high temperature and generates other harmful substances is resolved, and a service life and safety and reliability of the atomizer are further improved.
In reference to FIG. 4-8, one end of the conductive post 45 is provided with a locking part screw hole corresponding to the locking part screw 461. The first partition plate 421, the second partition plate 422 and the insulating plate 423 are provided with a first partition plate through hole 430, a second partition plate 426 and an insulating plate through hole 428 respectively. The upper electrode part 41 is provided with an upper electrode part screw hole 411, one end of the conductive post 45 sequentially penetrates the first partition plate through hole 430, the insulating plate through hole 428 and the second partition plate 426 and then is installed on the upper electrode part 41; the locking part screw 461 penetrates the upper electrode part screw hole 411 and then is threadedly connected to the locking part screw hole, and thus the upper electrode part 41, the first partition plate 421, the second partition plate 422 and the insulating plate 423 are fixed to the conductive post 45. After the technical solution is adopted, the upper electrode part 41, the first partition plate 421, the second partition plate 422, and the insulating plate 423 can be fixed or unfixed only by locking or loosening the locking part screw 461. In case of need, the heating coil 43 can be replaced by operating the locking part 46.
In reference to FIG. 4-8, the two ends of the conductive post 45 are provided with an upper electrode part boss 453 and an insulating pad boss 452. The upper electrode part 41 is provided with an upper electrode part bump 412, the upper electrode part bump 412 is provided with an upper electrode part groove 413, the upper electrode part screw hole 411 is communicated with the upper electrode part groove 413, and the insulating pad 44 is provided with an insulating pad groove 442. In this embodiment, the insulating plate through hole 428 is adaptive with the upper electrode part boss 453; the second partition plate through hole 426 is adaptive with the upper electrode part bump 412; the first partition plate through hole 430 is adaptive with the insulating pad 44; the upper electrode part boss 453 is adaptive with the upper electrode part groove 413; and the insulating pad boss 452 is adaptive with the insulating pad groove 442. The size of the upper electrode part boss 453 and the size of the insulating pad boss 452 are both larger than that of the conductive post 45. In order to conveniently install the insulating plate 423 on the conductive post 45, the insulating plate 423 comprises a first insulating plate 424 and a second insulating plate 425; the first partition plate 421 is provided with a first indexing pin 429 towards the insulating plate 423, the second partition plate 422 is provided with a second indexing pin towards the insulating plate 423, the first insulating plate 424 and the second insulating plate 425 are provided with indexing holes 427, and the extending height of the first indexing pin 429 and the extending height of the second indexing pin are smaller than that of the insulating plate 423; when one end of the conductive post 45 penetrates the first partition plate through hole 428, the first insulating plate 424 and the second insulating plate 425 are installed on the first partition plate 421 respectively, the first indexing pin 429 and the second indexing pin are connected to the indexing holes 427, the second partition plate 422 is installed on the conductive post 45 through the second partition plate through hole 426, the upper electrode part bump 412 and the upper electrode part groove 413 are connected to the second partition plate through hole 426 and the upper electrode part boss 453 respectively, the insulating pad 44 is installed on the first partition plate through hole 430, and the insulating pad boss 452 is connected to the insulating pad groove 442.
After the foregoing technical solution is used, not only can the upper electrode part 41, the partition plate 42, the conductive post 45 and the insulating pad 44 be fixed together, but also a problem of mutual rotation of the upper electrode part 41, the partition plate 42, the conductive post 45 and the insulating pad 44 is solved. Electrical connection of the first partition plate 421 and the second partition plate 422 is also insulated, the installation and removal of the heating coil 43 is facilitated, and the conduction of a circuit inside the atomizer is performed through the heating coil 43.
In reference to FIG. 4-8, in this embodiment, the atomization assembly further comprises a spring 47 which sleeves the conductive post 45 and is used for reinforcing electrical connection between the conductive post 45 and the upper electrode part 41, and the insulating pad 44 is provided with a spring installation groove 441. In this embodiment, the spring 47 is preferably a spring, the spring installation groove 441 is located above the insulating pad groove 442, one end of the spring 47 is installed in the spring installation groove 441, the other end penetrates the first partition plate through hole 430 and then abuts against the insulating plate 423, and the spring 47 is electrically isolated from the first partition plate through hole 430 through the insulating plate 423. After the foregoing technical solution is used, when the locking part 46 is threadedly connected to the conductive post 45, the spring 47 is compressed, so that an elastic reacting force exists between the upper electrode part 41 and the first partition plate 421, it can be guaranteed that the leads of the heating coil can be connected more stably, and thus electrical connection between the conductive post 45 and the upper electrode part 41 is reinforced.
In reference to FIG. 2, a vertical through hole may be further formed in the conductive post 45, the inner wall of the upper portion of the through hole is provided with a first internal thread for threaded connection to the locking part screw 461, and the inner wall of the lower portion of the through hole is further provided with a second internal thread for threaded connection to the electrode stud 61. The locking part screw 461 may be internally further provided with a first through groove 462 for e-liquid to pass, the electrode stud 61 is internally further provided with a second through groove 611 for the e-liquid to pass, and the first through groove 462 and the second through groove 611 are disposed along the vertical axis and communicated with the through hole. The setting of the first through groove 462, the second through groove 611 and the through hole enables the user to squeeze the e-liquid into the e-liquid storage chamber 21 from an e-liquid storage tank conveniently, and further facilitates direct e-liquid supplementing to the e-liquid storage tank from the outside.
Certainly it may also be that the conductive post 45, the locking part screw 461 and the electrode stud 61 are solid, but the atomizer is connected to an e-liquid storage bottle, and no additional tank needed for e-liquid storage.
In reference to FIG. 1-8, the atomizer further comprises an insulating sleeve 50 and an electrode 60, the base 30 is respectively provided with an insulating pad installation groove 32 and an electrode through hole 33 which are concentric, the insulating pad installation groove 32 is communicated with the electrode through holes 33, the electrode 60 is provided with the electrode stud 61, the insulation pad boss 452 is provided with an electrode screw hole, and when the insulating pad 44 is installed in the insulating pad installation groove 32, the electrode stud 61 penetrates the electrode through hole 33 and then is threadedly connected to the insulating stud 452. In this way, the conductive post 45 and the insulating pad 44 can be fixed to the base 30 more stably, and installation and removal are facilitated, so that generation efficiency of the atomizer is improved.
In reference to FIG. 1-8, the top cover assembly 10 and the base 30 are further provided with a top cover sealing ring 13 and a base sealing ring 31. The top cover sealing ring 13 is installed at a joint of the top cover assembly 10 and the outer barrel 20, and the base sealing ring 31 is installed at a joint of the base 30 and the outer barrel 20, so that air-tightness of the e-liquid storage cavity 21 is improved.
An electronic cigarette is further included, and the electronic cigarette comprises the electronic cigarette atomizer and an e-liquid storage tank connected to the base.
The foregoing descriptions are merely exemplary embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, or improvement and the like made without departing from the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. An electronic cigarette atomizer, comprising a top cover assembly, a base, an outer barrel connected between the top cover assembly and the base, and an atomization assembly located in the outer barrel and connected to the base, wherein the atomization assembly comprises an electrode assembly which is of a single post structure, and heating coils clamped onto the electrode assembly; the electrode assembly comprises an upper electrode part and a lower electrode part which are laminated along the vertical axis, as well as a partition plate unit connected between the upper electrode part and the lower electrode part; one lead of each heating coil is clamped between the upper electrode part and the partition plate unit, and the other lead is clamped between the lower electrode part and the partition plate unit.

2. The electronic cigarette atomizer according to claim 1, wherein the atomization assembly further comprises a locking part for compressing the upper electrode part, the lower electrode part and the partition plate unit, as well as a conductive post penetrating into the partition plate unit and contacting with the upper electrode part; and the locking part is provided with a locking part screw which can be threadedly connected to the top of the conductive post after penetrating the upper electrode part.

3. The electronic cigarette atomizer according to claim 2, wherein the lower end of the conductive post penetrates the lower electrode part to be connected to an electrode stud, and the electrode stud penetrates the base; an insulating sleeve covering the electrode stud is further connected between the electrode stud and the base and the base forms the lower electrode part; and the electrode stud and the base are electrically connected to a positive pole and a negative pole of a power supply respectively.

4. The electronic cigarette atomizer according to claim 3, wherein the partition plate unit comprises a first partition plate, a second partition plate, and an insulating plate that is connected between the first partition plate and the second partition plate; and both the first partition plate and the second partition plate are conductive plates made of a metal material.

5. The electronic cigarette atomizer according to claim 4, wherein a first indexing pin extends on the bottom surface of the first partition plate towards the insulating plate, a second indexing pin extends on the top surface of the second partition plate towards the insulating plate, and the insulating plate is provided with a plurality of indexing holes corresponding to the first indexing pin and the second indexing pin.

6. The electronic cigarette atomizer according to claim 5, wherein the extending height of the first indexing pin and the extending height of the second indexing pin are both smaller than the thickness of the insulating plate.

7. The electronic cigarette atomizer according to claim 4, wherein the first partition plate, the second partition plate, and the insulating plate are provided with a first partition plate through hole, a second partition plate through hole, and an insulating plate through hole respectively, and the upper end of conductive post sequentially penetrates the first partition plate through hole, the insulating plate through hole and the second partition plate through hole and then is threadedly connected to the locking part screw.

8. The electronic cigarette atomizer according to claim 7, wherein the atomization assembly further comprises a spring which sleeves the conductive post and is used for reinforcing electrical connection between the conductive post and the upper electrode part, the spring and the conductive post are coaxial, the upper end of the spring abuts against the bottom surface of the insulating plate, and the lower end of the spring abuts against an insulating pad.

9. The electronic cigarette atomizer according to claim 4, wherein the insulating plate is made of a polyether-ether-ketone material.

10. The electronic cigarette atomizer according to claim 3, wherein a vertical through hole is formed in the conductive post, the inner wall of the upper portion of the through hole is provided with a first internal thread for threaded connection to the locking part screw, and the inner wall of the lower portion of the through hole is further provided with a second internal thread for threaded connection to the electrode stud.

11. The electronic cigarette atomizer according to claim 10, wherein the locking part screw is internally further provided with a first through groove for e-liquid to pass, the electrode stud is internally further provided with a second through groove for the e-liquid to pass, and the first through groove and the second through groove are disposed along the vertical axis and communicated with the through hole.

12. The electronic cigarette atomizer according to claim 1, wherein there are a plurality of heating coils, leads at the upper ends of the plurality of heating coils are clamped between the upper electrode part and the partition plate unit, leads at the lower ends of the plurality of heating coils are clamped between the lower electrode part and the partition plate unit, and the plurality of heating coils are annular and are connected around the partition plate unit at equal intervals.

13. The electronic cigarette atomizer according to claim 1, wherein the top cover assembly comprises a drip tip and a top cover body covering the top of the outer barrel.

14. The electronic cigarette atomizer according to claim 13, wherein an e-liquid storage chamber is formed in the outer barrel, the atomization assembly is located at the middle of the e-liquid storage chamber, and the drip tip is communicated with the e-liquid storage chamber.

15. The electronic cigarette atomizer according to claim 14, wherein the outer barrel is further provided with two air intake holes, and the two air intake holes are located in two sides of the atomization assembly respectively.

16. An electronic cigarette atomizer, comprising a top cover assembly, a base, an outer barrel connected between the top cover assembly and the base, and an atomization assembly located in the outer barrel and connected to the base, wherein the atomization assembly comprises an electrode assembly which is of a single post structure, and heating coils clamped onto the electrode assembly; the electrode assembly comprises an upper electrode part and a lower electrode part which are laminated along the vertical axis, as well as a partition plate unit connected between the upper electrode part and the lower electrode part; one lead of each heating coil is clamped between the upper electrode part and the partition plate unit, the other lead is clamped between the lower electrode part and the partition plate unit, and the lower portion of the base is further connected to an e-liquid storage tank.