CN218451382U - Electronic atomizer - Google Patents

Abstract

An electronic atomizer comprises a shell, a heating element and a heat conduction support, wherein the heating element is arranged in the shell; the heat conduction support is arranged in the shell to support the heating element and comprises a heat conduction piece and a support piece, the heat conduction piece is used for receiving the heat radiation of the heating element and guiding the heat radiation out of the shell, and the support piece is fixedly connected with the shell; the heat conducting member includes a main body portion fixedly connected to the support member and an extension portion protruding from a surface of the main body portion toward one side of the heating member. Through setting up heat conduction support and including heat-conducting piece and support piece, heat-conducting piece includes main part and extension, and heat-conducting piece can receive the heat of heating member and derive to the casing for heat conduction support can support the heating member, can derive the heat of heating member to the casing again, has solved the problem that the heat that the heating member that present electronic atomizer exists produced can not in time be derived, can promote user experience.

Description

Electronic atomizer

Technical Field

The application relates to the technical field of electronic atomizers, in particular to an electronic atomizer.

Background

In recent years, the market for electronic atomizers has expanded dramatically, and more people are beginning to accept and prefer to use electronic atomizers. Heat generated by a heating element of the conventional electronic atomizer cannot be timely led out, so that use experience is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electronic atomizer solves the problem that the heat of heating member can not in time be derived.

In order to achieve the purpose of the application, the application provides the following technical scheme:

the application provides a heat conduction support, includes: a housing; a heating element disposed within the housing; the heat conduction support is arranged in the shell to support the heating element and comprises a heat conduction part and a support part, the heat conduction part is used for receiving the heat radiation of the heating element and guiding the heat radiation out of the shell, and the support part is fixedly connected with the shell; the heat conducting member comprises a main body part and an extension part, the main body part is fixedly connected with the supporting member, and the extension part protrudes from the surface of the main body part towards one side of the heating member.

In one embodiment, the electronic atomizer further comprises a graphite sheet disposed within the housing, the graphite sheet being in contact with the thermally conductive member and the housing.

In one embodiment, the housing includes a front shell and a rear shell, the front shell and the rear shell enclose an accommodating space, the heating element, the heat conducting bracket and the graphite sheet are accommodated in the accommodating space, one side surface of the graphite sheet contacts the rear shell, and the other side surface of the graphite sheet contacts the extending portion.

In one embodiment, the graphite sheet has a larger contact area with the rear housing than with the extension.

In one embodiment, the graphite sheet is in close proximity to a surface of the extension.

In one embodiment, the graphite sheet is in close proximity to the rear housing and semi-surrounds the thermally conductive support.

In one embodiment, the main body portion includes a first surface facing the front case, the extending portions are two in number and are oppositely disposed at both edges in a width direction of the first surface and flush with a side surface of the main body portion, and the graphite sheet is also in contact with the side surface of the main body portion.

In one embodiment, the first surface is provided with a first matching portion between the two extending portions, the support member is provided with a corresponding second matching portion, and the first matching portion and the second matching portion are fixedly connected in a matching manner.

In one embodiment, the first mating portion is any one or more of a protrusion, a groove and a through hole, the second mating portion is any one or more of a corresponding groove, a corresponding through hole and a corresponding protrusion, and when the first mating portion and the second mating portion are mated and connected, the protrusion is embedded into the corresponding groove or through hole.

In one embodiment, the front housing is plastic and the rear housing is a metal material.

In one embodiment, the heat conductive member is die-cast aluminum, the support member is a plastic member, and the die-cast aluminum and the plastic member are integrally formed by an insert molding process.

In one embodiment, the electronic atomizer further comprises a main board and a main board support which are arranged in the shell, the main board support is arranged between the heating element and the heat conducting support, the main board is fixed on the main board support, the main board is located on the back of the main board support, one side of the heating element is arranged on the back of the main board support, hollow holes are formed in the main board support, the extending portion extends to the hollow holes, and the heat radiation of the heating element is transmitted to the extending portion.

Through setting up heat conduction support and including heat-conducting piece and support piece, heat-conducting piece includes main part and extension, and heat-conducting piece can receive the heat of heating member and derive to the casing for heat conduction support can support the heating member, can derive the heat of heating member to the casing again, has solved the problem that the heat that the heating member that present electronic atomizer exists produced can not in time be derived, can promote user experience.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic perspective view of an electronic atomizer according to an embodiment;

FIG. 2 is an exploded view of an electronic atomizer according to an exemplary embodiment;

FIG. 3 is a schematic perspective view of a thermally conductive holder according to an exemplary embodiment;

FIG. 4 is a perspective view of another perspective view of the thermally conductive bracket of FIG. 3;

FIG. 5 is a schematic view of an exploded structure of a thermally conductive holder according to an embodiment;

FIG. 6 is an exploded view of another perspective of the thermally conductive holder of FIG. 5;

FIG. 7 is a schematic diagram of a front view of a thermally conductive holder according to an embodiment;

FIG. 8 isbase:Sub>A schematic cross-sectional view of the thermally conductive bracket of FIG. 7 taken along the line A-A;

fig. 9 is a schematic front view of an electronic atomizer according to an embodiment;

fig. 10 is a schematic sectional view of the electronic atomizer of fig. 9 along the direction B-B;

fig. 11 is a partially enlarged structural view at Q in fig. 10.

Description of the reference numerals:

100-electronic atomizer;

11-front shell, 12-rear shell; 20-heating element, 30-main plate support, 31-hollowed-out hole, 40-main plate, 50-heat conducting support, 60-battery, 70-graphite sheet;

51-a heat conducting member, 511-a body portion, 512-an extension, 513-a first surface, 514-a second surface, 515, 516, 517, 518, 519-a first mating portion;

52-support, 521-connection, 522-mounting, 523, 524, 525, 526, 527-second mating, 528, 529-lightening holes;

531-lateral surface, 532-outer surface.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments obtained by a person of ordinary skill in the art without any inventive work based on the embodiments in the present application are within the scope of protection of the present application.

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 a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components 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 application belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Referring to fig. 1 and 2, an electronic atomizer 100 according to an embodiment of the present disclosure includes a housing, a heating element 20, a main plate support 30, a main plate 40, a heat conducting support 50, a battery 60, and a graphite sheet 70. Of course, other components may be included without limitation.

The casing includes preceding shell 11 and backshell 12, and preceding shell 11 and backshell 12 butt joint form confined casing to enclose and close an accommodation space, add the heat piece 20 to all holding in this accommodation space of graphite flake 70 isotructure. The front case 11 and the rear case 12 may be made of the same material or different materials. The front case 11 is made of plastic, such as Polycarbonate (PC), polypropylene (PP), polyphenylene Sulfide (PPs), or the like. The rear housing 12 is made of metal, such as aluminum, aluminum alloy, stainless steel, etc., and has good heat conductivity.

The heating member 20 may be in the form of a sleeve, and an opening (not shown) corresponding to a central hole of the sleeve of the heating member 20 may be opened or closed by an openable and closable structure (not shown). The heating member 20 can generate heat to be heated by non-combustion heating to generate aerosol for smoking by opening an opening in the housing and inserting an object to be heated, such as a cigarette, tobacco shred, medicine, etc., through the opening into a center hole of a sleeve of the heating member 20. In the case where the object to be heated is a tobacco branch or tobacco shred, the electronic atomizer 100 is also called a heating non-combustion type electronic cigarette.

The main board bracket 30 is fixed to the housing in a manner including but not limited to clamping, bonding, screwing, etc., without limitation. The main board support 30 is used for supporting and fixing the main board 40, and the main board 40 is used for controlling heating parameters of the heating element 20, such as heating time, temperature, and the like.

The heat conducting bracket 50 is fixed to the housing in a manner including, but not limited to, clamping, bonding, screwing, etc., without limitation. A thermally conductive support 50 is disposed within the housing to support the heating element 20, the thermally conductive support 50 being configured to receive thermal radiation from the heating element 20 and conduct the heat away from the graphite sheet 70, and the graphite sheet 70 in turn conducts the heat away to the housing.

The thermally conductive bracket 50 may also be used to mount a battery 60, the battery 60 being of a replaceable or rechargeable type, the battery 60 being used to power the main board 40, the heating member 20, etc.

The graphite sheet 70 conducts heat conducted by the heat conductive bracket 50 to the housing, and can disperse locally high heat to a large area to avoid generating local high temperature.

When the case is made of a metal material having a good heat conductivity, such as aluminum material or aluminum alloy, the graphite sheet 70 may be omitted, so that the heat of the heat conductive bracket 50 is directly transferred to the case.

When the housing is made of a metal material having a general or poor thermal conductivity, the heat of the thermally conductive holder 50 is conducted to the graphite sheet 70 and then to the housing.

One assembly step for the electronic atomizer 100 is as follows: mounting the graphite sheet 70 into the rear housing 12; the battery 60 is fixed on the heat conducting bracket 50 and is integrally installed in the rear case 12; mounting the main board 40 to the main board support 30 and into the rear case 12; installing the heating member 20; and finally the front shell 11 is closed.

Alternatively, the heating element 20 may be mounted on the main board support 30, and the heating element 20 and the main board 40 are respectively located on two opposite sides of the main board support 30, and then the main board support 30, the main board 40 and the heating element 20 are integrally mounted in the rear case 12.

Alternatively, the heating member 20, the main board support 30, the main board 40, the thermally conductive support 50, and the battery 60 may be assembled together and then integrally mounted in the rear case 12.

Alternatively, the heating member 20, the main plate holder 30, the main plate 40, the heat conducting holder 50 and the battery 60 may be assembled together, and attached with the graphite sheet 70, and then integrally mounted in the rear case 12.

The mode of the above parts being installed together is not limited, and includes any feasible mode such as clamping, screwing, bonding and the like, and is not limited.

It is understood that the assembling manner of the electronic atomizer 100 is not limited to the above-mentioned embodiments, and any feasible assembling manner can be adopted according to the requirement, without limitation.

The electronic atomizer 100 of the present application is mainly improved in the structural design of the heat conducting bracket 50, which is further described in the following embodiments.

Referring to fig. 2 to 6, an embodiment of the present invention provides a heat conducting bracket 50, which includes a heat conducting member 51 and a supporting member 52, wherein the supporting member 52 is fixedly connected to the heat conducting member 51, and the supporting member 52 is installed in a housing.

Optionally, the heat conducting member 51 is die-cast aluminum, the die-cast aluminum is an aluminum alloy manufactured by a die-casting process, and the strength, the heat conductivity and other performances of the structure at each position on the die-cast aluminum alloy are good in uniformity. Specifically, the heat conducting member 51 may be an Al-Si-Cu alloy, also called a 12 # aluminum material, japanese brand ADC12, corresponding to chinese alloy code YL113. Compared with a conventional aluminum sheet, the structure of the heat conducting piece 51 can be more complex, the heat conducting area can be increased, the heat radiating effect of the whole machine is improved, in addition, the heat conducting piece 51 can be regenerated by waste aluminum, the material cost can be reduced, the existing die casting process is mature, and the die casting process is suitable for mass production. The heat conducting member 51 is used for receiving the heat radiation of the heating member 20 of the electronic atomizer 100 and guiding the heat out to the housing of the electronic atomizer 100, specifically, to the rear case. The heat-conducting member 51 receives heat radiation, that is, the heat-conducting member 51 and the heating member 20 are spaced apart without contact.

The connection and fixation of the support member 52 and the heat conduction member 51 are not limited, and may be, for example, a snap-fit connection, a screw connection, or the like. The supporting member 52 is a plastic member, and may be a plastic material with high strength and heat resistance, such as Polycarbonate (PC), polypropylene (PP), polyphenylene Sulfide (PPs), etc.

Alternatively, the heat-conducting member 51 and the supporting member 52 are formed integrally by an insert molding process. Insert molding (Insert molding) is a molding method in which a metal, plastic preform or other material is inserted into a mold cavity that is now made and then molten plastic material is injected. The heat-conducting bracket 50 in this embodiment is formed by placing the heat-conducting member 51 in a mold cavity and injection molding the heat-conducting member with plastic. Heat-conducting piece 51 and support piece 52 adopt the manufacture of insert molding technology to form integrative mode, and its advantage lies in, and heat-conducting piece 51 can promote holistic structural strength to thermal conduction, support piece 52's structure can design more complicated, satisfy needs such as location, spacing, fixed, and the technology of just insert molding is ripe technology, and the technology difficulty is not high, and the cost is lower. Compared with the embedded integral structure of the heat conducting member 51 and the supporting member 52 in this embodiment, if the structure of the conventional pure aluminum alloy heat conducting bracket 50 needs to be complicated, the difficulty of the process manufacturing is significantly increased, and the cost is increased.

In one embodiment, referring to fig. 3 to 8, the heat conducting member 51 includes a main body portion 511 and an extending portion 512, the main body portion 511 is fixedly connected to the supporting member 52, and the extending portion 512 protrudes from a surface of the main body portion 511 toward a side of the heating member 20 and is located between the heating member 20 and the housing.

Main body portion 511 includes opposite first and second surfaces 513, 514, and extension portion 512 is connected to an edge of first surface 513 and protrudes relative to first surface 513.

Referring to fig. 3, the heat conductive bracket 50 has a thickness direction Y, a width direction X and a height direction Z. The main body portion 511 extends substantially linearly in the height direction Z thereof. Referring to fig. 5, 6 and 8, the first surface 513 and the second surface 514 are two surfaces in the thickness direction Y. The first surface 513 may be substantially planar, and the extension portion 512 may be connected to an edge of the main body portion 511 in the width direction X. The second surface 514 may be substantially a cylindrical surface, and the outline of the cross section at any position in the height direction Z is a circular arc, please refer to fig. 2, the cylindrical surface of the second surface 514 is used for matching the shape of the outer peripheral surface of the battery 60, so that the battery 60 can be installed at the second surface 514.

The extending portion 512 is substantially block-shaped or bar-shaped, and extends along the height direction Z of the main body portion 511, that is, is substantially in the shape of a straight block or bar. In the height direction Z of the main body 511, both ends of the extension portion 512 may be substantially flush with the main body 511, or may be slightly lower.

The main body 511 and the extension part 512 are of an integral structure and are manufactured by an insert molding process, so that the heat conduction capacities of the main body 511 and the extension part 512 are the same, that is, the heat of the extension part 512 can be conducted to the main body 511, and the heat of the main body 511 can also be conducted to the extension part 512. The extension portion 512 is provided to be closer to the heating member 20 so as to better receive heat radiation from the heating member 20.

The electronic atomizer 100 that this application embodiment provided, include heat-conducting piece 51 and support piece 52 through setting up heat conduction support 50, heat-conducting piece 51 includes main part 511 and extension 512, heat-conducting piece 51 can receive heating member 20's heat and derive to the casing, make heat conduction support 50 can support heating member 20, again can derive the heat of heating member 20 to the casing, the problem that the heat that the heating member that has solved present electronic atomizer existence produced can not in time be derived is solved, user experience can be promoted.

Alternatively, with continued reference to fig. 3 to 8, the number of the extension portions 512 is two, and are oppositely disposed at both edges in the width direction X of the first surface 513 and flush with the side surface 531 of the main body portion 511. Referring to fig. 8, the extension part 512 includes an outer surface 532, the outer surface 532 is a surface corresponding to the side surface 531 of the main body part 511, the outer surface 532 is flush with the side surface 531, and in an embodiment where the graphite sheet 70 is not provided, the side surface 531 and the outer surface 532 may contact with the inner wall of the rear case 12, and further may be close to each other, so that the heat of the heating element 20 is simultaneously conducted out through the main body part 511 and the extension part 512, and the conduction speed can be increased.

Set up two extension 512, can form an accommodation space between two extensions 512, be convenient for arrange structure such as mainboard 40 for the structure is more compact, and simultaneously, the heat conduction effect of two extensions 512 is better than the heat conduction effect of an extension 512, can be faster derive the heat of heating member 20, avoids the heat to pile up the problem that can not derive fast.

With reference to fig. 3 to fig. 6, the first surface 513 is provided with a first matching portion between the two extending portions 512, the supporting member 52 is provided with a corresponding second matching portion, and the first matching portion and the second matching portion are connected and fixed in a matching manner. The first matching part and the second matching part can be connected and fixed in any feasible mode such as clamping, screw connection and the like. In the embodiment using the insert molding process, the structure of the mold is set such that a part of the structure of the support member 52 is embedded in the heat conducting member 51, and a part of the structure of the heat conducting member 51 is embedded in the support member 52, so as to form a structure in which the first mating portion and the second mating portion are embedded crosswise, similar to a snap-fit structure. Through the arrangement of the first matching portion and the second matching portion, the heat conducting member 51 and the supporting member 52 are fixed to form a whole, and the structure is simple and easy to realize.

Optionally, the first mating portion is any one or more of a protrusion, a groove and a through hole, the second mating portion is any one or more of a corresponding groove, a corresponding through hole and a corresponding protrusion, and when the first mating portion and the second mating portion are connected in a mating manner, the protrusion is embedded into the corresponding groove or through hole.

Specifically, referring to fig. 3 to fig. 6, in the height direction Z of the main body 511, a first engaging portion 515 with a convex top portion and a second engaging portion 523 with a through hole corresponding thereto may be included; a first convex fitting part 516 in the middle, and a second corresponding fitting part 524 in a through hole; a first matching part 517 which is convex at the bottom and a second matching part 525 which is a through hole correspondingly; a first through-hole mating portion 518 of the upper half, and a corresponding second raised mating portion 526; a first matching part 519 with a through hole at the lower half part and a corresponding second matching part 527 with a convex shape. It should be understood that the examples are illustrative only and should not be taken as limiting.

A lightening hole 528 and a lightening hole 529 can be respectively formed on the second matching part 526 of the upper half part and the second matching part 527 of the lower half part of the support 52, so as to lighten the weight of the whole structure, and facilitate the light-weight design of the electronic atomizer 100. The second fitting portion 526 and the second fitting portion 527 of the lower half portion are both in an annular shape connected end to end, and are closely attached to the peripheral side walls of the through holes of the first fitting portion 518 and the first fitting portion 519.

Through adopting recess or through-hole and protruding matched with to be connected fixed knot and construct, do not need extra fastening structure such as screw, can reduce spare part, guarantee the connection that the structure can be stable simultaneously and fix.

Alternatively, referring to fig. 3, 4 and 8, the thermally conductive holder 50 forms a flush surface on both the first surface 513 side and the second surface 514 side. After the connecting and fixing structure with the matched groove or through hole and the protrusion is adopted, a flush surface is formed, and the assembling of other structures can be conveniently carried out. As shown in fig. 2 and 8, the main board 40 may be attached to the support member 52 on the side of the first surface 513, and the battery 60 may be attached to the heat-conducting member 51 on the side of the second surface 514.

Optionally, referring to fig. 3 to 6, the supporting member 52 includes a connecting portion 521 and two mounting portions 522 connected to two ends of the connecting portion 521 in the height direction Z. The second mating portion is disposed on the connection portion 521, and the connection portion 521 is connected to the main body portion 511. The two mounting portions 522 are located at opposite ends of the body portion 511 in the height direction Z, and project from the first surface 513 toward the second surface 514 side.

The mounting portion 522 is substantially plate-shaped, and its shape and structure are not limited to a large amount and may be provided as needed. The mounting portion 522 and the connecting portion 521 are an integral structure. Referring to fig. 2, the mounting portions 522 are used to connect and fix the rear case 12, and the two mounting portions 522 are used to mount the battery 60. The mounting portion 522 may be provided with a lead wire connected to the battery 60, and the like, without limitation.

Two mounting portions 522 are provided to be connected and fixed to the housing, and the battery 60 can be mounted thereon, which is simple in structure.

Referring to fig. 2, 9 to 11, after the heat conductive bracket 50 of an embodiment of the present invention is installed in the housing, the main board support 30 is disposed between the heating member 20 and the heat conductive bracket 50, the main board 40 is fixed on the main board support 30, and the main board 40 is located on a side of the main board support 30 opposite to the heating member 20. In embodiments where the graphite sheet 70 is not provided, the thermally conductive holder 50 may be in direct contact with the rear housing 12. In embodiments where the graphite sheet 70 is provided, the thermally conductive support 50 is in contact with the graphite sheet 70, and the graphite sheet 70 is in contact with the rear housing 12. The heating member 20 is spaced apart from the heat-conductive support 50, and heat of the heating member 20 is transferred to the heat-conductive member 51 of the heat-conductive support 50 by means of heat radiation. To protect the motherboard 40, the motherboard bracket 30 may be made of a heat insulating material or a material with low thermal conductivity, such as plastic.

For improving the heat transfer efficiency and reducing the intermediate barrier, the motherboard bracket 30 is provided with a hollow hole 31, the extending portion 512 of the heat conducting member 51 extends to the hollow hole 31, and the heat radiation of the heating member 20 is transmitted to the extending portion 512 through the hollow hole 31. The shape of any cross section of the main board bracket 30 in the height direction Z is approximately "U" or "21274", the opened position of the hollow hole 31 corresponds to the extending part 512, and the two parts are matched with each other in structure, and after the assembly, the extending part 512 extends into the hollow hole 31.

Referring to fig. 2, 10 and 11, in the embodiment where the graphite sheet 70 is disposed, the graphite sheet 70 is closely attached to the inner wall of the rear case 12 and semi-surrounds the heat conductive bracket 50, and the heat conductive member 51 is in contact with the graphite sheet 70. The graphite sheet 70 is substantially U-shaped in cross section at any position in the height direction Z thereof, and the open side faces the front housing 11. The graphite sheet 70 has ultrahigh heat conductivity and ultrahigh heat dissipation efficiency, and heat conducted by the heat conducting member 51 can be quickly dispersed on the graphite sheet 70, so that the heat conducted to the rear shell 12 is uniform, and the phenomenon of overhigh local temperature cannot occur. The graphite sheet 70 semi-surrounds the heat conductive support 50, so that heat conducted by the heat conductive support 50 is conducted to the graphite sheet 70 as much as possible, and the heat conduction can be accelerated.

Optionally, the graphite sheet 70 is in contact with the surface of the extension 512 (i.e., the outer surface 532 in fig. 8). Furthermore, the contact can be close to improve the heat conduction effect.

Optionally, the graphite sheet 70 has a larger contact area with the rear case 12 than with the extension portion 512. The shape, size and the like of the extension part 512 can be designed to be small and compact, so that the occupied space is reduced, and other parts can be conveniently arranged.

Alternatively, the graphite sheet 70 can be at least two stacked layers, and the design of the multi-layered graphite sheet 70 can provide better heat conduction and dissipation.

Through adopting the heat conduction support 50 that this application embodiment provided for electronic atomizer 100 can be with the timely derivation of heat, has promoted user's use and has experienced.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like, are used for describing the orientation or positional relationship based on the drawings, and are only used for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present application.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (12)

1. An electronic atomizer, comprising:

a housing;

a heating element disposed within the housing;

the heat conduction support is arranged in the shell to support the heating element and comprises a heat conduction piece and a support piece, the heat conduction piece is used for receiving the heat radiation of the heating element and guiding the heat radiation out of the shell, and the support piece is fixedly connected with the shell;

the heat conducting member comprises a main body part and an extension part, the main body part is fixedly connected with the supporting member, and the extension part protrudes from the surface of the main body part towards one side of the heating member.

2. The electronic atomizer of claim 1, further comprising a graphite sheet disposed within said housing, said graphite sheet being in contact with said thermally conductive member and said housing.

3. The electronic atomizer of claim 2, wherein said housing comprises a front shell and a rear shell, said front shell and said rear shell enclosing an accommodating space, said heating element, said heat conducting support and said graphite sheet being accommodated in said accommodating space, one side surface of said graphite sheet being in contact with said rear shell, the other side surface of said graphite sheet being in contact with said extending portion.

4. The electronic atomizer of claim 3, wherein said graphite sheet has a larger contact area with said rear housing than with said extension portion.

5. The electronic atomizer of claim 3, wherein said graphite sheet is in close proximity to a surface of said extension.

6. The electronic atomizer according to claim 3, wherein said graphite sheet is in close proximity to said rear housing and semi-surrounds said thermally conductive support.

7. The electronic atomizer according to claim 3, wherein said main body portion includes a first surface facing said front shell, said extending portions are two in number and are oppositely disposed at both edges in a width direction of said first surface and flush with a side surface of said main body portion, and said graphite sheet is also in contact with the side surface of said main body portion.

8. The electronic atomizer of claim 7, wherein said first surface is provided with a first mating portion between two of said extending portions, said support member is provided with a corresponding second mating portion, and said first mating portion and said second mating portion are fixedly mated.

9. The electronic atomizer of claim 8, wherein said first engaging portion is any one or more of a protrusion, a groove and a through hole, and said second engaging portion is any one or more of a corresponding groove, a corresponding through hole and a protrusion, and when said first engaging portion and said second engaging portion are engaged, the protrusion is inserted into the corresponding groove or through hole.

10. The electronic atomizer of claim 3, wherein said front housing is plastic and said rear housing is a metallic material.

11. The electronic atomizer of claim 1, wherein said thermally conductive member is die cast aluminum, said support member is a plastic member, and said die cast aluminum and said plastic member are integrally formed by an insert molding process.

12. The electronic atomizer of claim 1, further comprising a main board and a main board support both disposed within said housing, said main board support being disposed between said heating element and said heat conducting support, said main board being fixed to said main board support, said main board being disposed on a side of said main board support opposite to said heating element, said main board support having a hollow hole formed therein, said extending portion extending to said hollow hole, and heat radiation of said heating element being transmitted to said extending portion through said hollow hole.

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