CN211323052U - Atomizing core, atomizing device and electron cigarette - Google Patents

Abstract

An atomizing core comprises a ceramic matrix and a ceramic core positioned in the ceramic matrix, wherein the ceramic matrix is made of zirconia ceramics, the ceramic core is made of porous ceramics, the ceramic matrix comprises a frame body and a core cavity penetrating through the frame body in the vertical direction, and the porous ceramics are positioned in the core cavity; the application also provides an atomization device, a manufacturing method of the atomization device and an electronic cigarette.

Description

Atomizing core, atomizing device and electron cigarette

Technical Field

The application relates to the field of electronic cigarettes, in particular to an atomizing core, an atomizing device and an electronic cigarette.

Background

The patent application No. 201811033876.0 of the people's republic of China discloses an atomizer and an electronic cigarette, which comprises an atomizing core, a first plastic part and a second plastic part which are used for assembling the atomizing core, a shell which is sleeved outside the first plastic part, and a cover body which is buckled with the shell and covers the second plastic part. The atomizing core and the first plastic part are clamped with a first sealing part, and the periphery of the first plastic part and the shell are clamped with a second sealing part. Still be equipped with the gas pocket on the first plastic part, the casing be equipped with the air flue of gas pocket UNICOM, the gas pocket with the air flue is mutual butt joint and is held the third sealing member each other. The setting of first, second, third sealing member is in order to prevent the tobacco tar from the internal leakage of casing, and three sealing member all is independent setting, needs the equipment to corresponding between the spare part, and the sealing member adopts silica gel material to make, and the material is softer, is difficult to realize automated production, needs to pass through artifical manual assembly, causes, and manufacturing efficiency is underground, and the quality is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

In view of this, it is necessary to provide an atomizing core, an atomizing device and an electronic cigarette which are leak-proof and convenient for automatic assembly.

For solving above-mentioned technical problem, this application provides an atomizing core, include ceramic base member and be located the inside ceramic core of ceramic base member, ceramic base member is zirconia pottery, ceramic core is porous ceramic, ceramic base member includes that framework and vertical direction run through the core chamber of framework, porous ceramic is located the core intracavity.

Preferably, the ceramic core is formed by filling the core cavity with a porous ceramic material and sintering.

In order to solve the technical problem, the application further provides an atomizing device, which comprises an atomizing core and a closing piece, wherein the atomizing core is integrally formed in the closing piece.

Preferably, the atomizing core comprises a ceramic substrate and a ceramic core positioned in the ceramic substrate, the ceramic substrate is zirconia ceramic, the ceramic core is porous ceramic, the ceramic substrate comprises a frame body and a core cavity penetrating through the frame body in the vertical direction, the porous ceramic is positioned in the core cavity, the closing part comprises an outer wall, and the outer surface of the ceramic substrate and the inner side surface of the outer wall are molded into a whole and form a joint surface.

Preferably, the enclosure further comprises a cavity enclosed by the outer wall, the bottom of the cavity is the upper surface of the ceramic core, and the ceramic core is formed by filling the core cavity with a porous ceramic material and sintering.

Preferably, the outer surface of the ceramic substrate is subjected to corrosion treatment to form a nano-pore structure, and when the closure is injection molded, liquid plastic fills the nano-pore structure.

For solving above-mentioned technical problem, this application still provides an electron cigarette, including the cigarette bullet pipe, atomizing device and the tobacco rod that are equipped with stock solution chamber and flue, atomizing device includes atomizing core, closure and base, atomizing core including the ceramic base that is equipped with the core chamber and fill in ceramic core in the core intracavity, ceramic base is zirconia pottery, ceramic core is porous pottery, closure integrated into one piece in the surface of ceramic base, the closure inserts in order to seal in the cigarette bullet pipe the stock solution chamber, ceramic core with the stock solution chamber is relative, the closure still is equipped with the air flue, the air flue with the flue intercommunication, ceramic core bottom surface still is equipped with the heat-generating body, be equipped with on the base with heat-generating body electric connection's electrode.

Preferably, the flue of the cartridge tube is arranged outside the liquid storage cavity, the air passage of the sealing piece is arranged on the plastic material of the sealing piece outside the atomizing core, and the air passage and the flue are communicated with each other outside.

Preferably, the sealing piece further comprises an outer wall and a cavity surrounded by the outer wall, the upper surface of the ceramic core is used as at least one part of the bottom surface of the cavity, a sealing piece is formed on the outer surface of the outer wall, and the sealing piece is attached to the inner wall surface of the smoke and bullet tube and the outer wall surface of the flue to prevent leakage.

Preferably, a lead is connected to the heating element at the bottom of the ceramic core, and the lead is inserted into the electrode after being curled.

Preferably, an elastic part is arranged at one end of the electrode on the base, which is close to the heating element, and the elastic part is abutted against the heating element to conduct electric energy to the heating element.

According to the atomizing device, the ceramic core of the porous ceramic material is directly sintered in the middle of the ceramic substrate, so that the technical problems that the porous ceramic is not enough in strength and is easy to crack during extrusion are solved; simultaneously, the ceramic base member adopts zirconia pottery direct and closure piece shaping in an organic whole, need not again the closure piece with set up the sealing member between the ceramic base member and can realize preventing seepage liquid, simultaneously, getting rid of sealing member makes the atomizing device of this application more be convenient for automatic equipment.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application.

FIG. 1 is a perspective view of an atomizing device of the present application;

FIG. 2 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is an exploded perspective view of the atomizing device of the present application;

FIG. 4 is a perspective view of a closure of the atomizing device of the present application;

FIG. 5 is a perspective view of another angle of the closure of the atomizing device of the present application;

FIG. 6 is a perspective view of an atomizing core of the atomizing device of the present application;

FIG. 7 is a perspective view of a seal of the atomizing device of the present application;

FIG. 8 is a perspective view of an atomizing core and a closure of an atomizing device in accordance with an embodiment of the present application;

fig. 9 is a sectional view taken along the line B-B shown in fig. 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings.

Example 1

Referring to fig. 1 to 3, the atomization device of the present application includes a smoke tube 10 having a smoke channel 13 and a smoke chamber 12, a sealing member 40 installed in the smoke tube 10 and sealing the smoke chamber 12, a sealing member 60 molded in the sealing member 40, an atomization core 30 installed at a lower end of the sealing member 40, a base 50 fastened to the sealing member 40 and clamping the atomization core 30, and a cover 20 sleeved on an outer periphery of the base 50 and fastened to the smoke tube 10.

The base 50 and the cover 20 may be designed as an integral structure, that is, the base 50 is directly fastened to the cartridge tube 10.

Referring to fig. 2 and 3, the smoke and bullet tube 10 includes a tube body 11, a mating end 14 located at the top of the tube body 11, first fastening portions 141 disposed at two sides of the mating end 14, a liquid storage cavity 12 located in the tube body 11, and a flue 13 penetrating the bottom of the tube body 11. The top end of the flue 13 is provided with a butt joint 131. The outer diameter of the butt joint 131 is smaller than the outer diameter of the flue 13. Preferably, the flue 13 is located in the middle of the liquid storage chamber 12; in particular implementations, the flue may also be disposed on one or both sides of the reservoir chamber 12.

With continued reference to fig. 2-5, the closure member 40 includes a closed end 41 and a receiving end 42 extending from the closed end 41. The top outer edge of the closed end 41 is provided with a closed groove 412. The containing end 42 is provided with a containing cavity 44 facing the direction of the atomizing core 30. The closing member 40 further includes a flow passage 43 penetrating the closed end 41 in the vertical direction and communicating to the accommodating chamber 44, and an air passage 45 independent from the flow passage and not communicating to the accommodating chamber 44. The air passage 45 includes a butt air passage 453 penetrating the closed end 41 in a vertical direction, a transverse air passage 451 penetrating the closed end 41 in a non-vertical direction, and an outer air passage 452 extending downward from the transverse air passage 451 at an outer wall of the accommodating end 42. The lateral outer side of the accommodating end 42 is provided with a second buckling part 421. The abutting airway 453 of the closure member 40 extends outwardly to form the first groove 48 at a location distinct from the flow path 43. The outside of the flow passage 43 of the closure member 40 extends to form a second recess 47.

With continued reference to fig. 2, 3, and 7, the sealing element 60 is integrally formed on the closure element 40. Specifically, the sealing element 60 includes a first sealing portion 61 formed in the accommodating cavity 44, a second sealing portion 63 formed on the periphery of the closed groove 412 formed on the top end outer edge of the closed end 41, and a third sealing portion 64 formed on the inner wall of the abutting air channel 453 of the closing element 40.

The first sealing portion 61 includes a first attaching portion 611 formed on the periphery of the inner wall of the accommodating cavity 44, an opening 613 penetrating the first sealing portion 61 in the vertical direction, and a second attaching portion 612 formed on the periphery of the opening 416 and attached to the bottom wall of the accommodating cavity 44. The plane of the first fitting portion 611 is perpendicular to the plane of the second fitting portion 612. The second sealing portion 63 includes a third attaching portion 631 attached to the periphery of the sealing groove 412 and a fourth attaching portion 632 covering the periphery of the end edge of the sealing end 41. The third sealing portion 64 includes a fifth bonding portion 641 bonded to the inner wall surface of the abutting air path 453 and a through hole 642 provided in the middle of the third sealing portion 64.

A first connecting portion 62 is connected between the first sealing portion 61 and the second sealing portion 63, and the first connecting portion 62 is connected to the fourth wheel attaching portion 632 from the second groove 47 extending upward along the outer side wall of the flow channel 43 to the outer side of the top end of the flow channel 43. A second connection portion 643 is connected between the second sealing portion 63 and the third sealing portion 64, and the second connection portion 643 extends along the first groove 48 and connects the fourth attaching portion 632 and the outer side wall of the fifth attaching portion 641.

In a specific implementation, the first, second, and third sealing portions 61, 63, 64 may be provided independently, and need not be connected by the first and second connecting portions 62, 643. In this case, three injection points are required to be provided for injection molding of the sealing member 60, corresponding to the first, second, and third sealing portions 61, 63, and 64, respectively. At this time, the injection molding die is relatively complicated to set. The first and second connecting parts 62 and 643 serve as a flow passage for the silica gel liquid, and only one glue injection point can be arranged;

in another embodiment, the first connection portion 62 may be omitted, only the second connection portion 643 is remained, the second sealing portion 63 and the third sealing portion 64 are located on the same plane, and a glue injection point is provided to prevent the flow rate of the silicone fluid from being affected, so that the mold is not saturated.

In the injection molding, the closure 40 is injection molded, and when the injection molding of the injection molded part 40 is completed and then the sealing member 60 is injection molded, an injection molding mold may be partially used; at this time, the silicone fluid is injected to mold the sealing member 60 only by removing the mold part for filling the reserved region from the portion where the silicone rubber is to be molded.

As shown in fig. 3 and fig. 6, the atomizing core 30 is made of porous ceramic, and includes a ceramic substrate 31, a heating element 32 attached to the bottom of the ceramic substrate 31, and a lead 33 connected to the heating element 32. The ceramic substrate 31 includes a head 311 and a tail 312 extending from the head 311, the head 311 is sleeved in the first sealing portion 61 of the sealing element 60, and an outer edge of the head 311 cooperates with an inner wall of the receiving cavity 44 to clamp the first attaching portion 611 of the first sealing portion 61. The top end of the head part 311 is further provided with a liquid storage tank 313, the peripheral top surface of the liquid storage tank 313 is attached to the second attaching part 612, and the liquid storage tank 313 is communicated with the liquid storage cavity 12 of the cigarette bullet tube 10 through the opening 613 and the flow channel 43. The tobacco tar in the liquid storage cavity 12 flows into the liquid storage tank 313 through the flow passage 43 and the opening 613, and the tobacco tar in the liquid storage tank 313 seeps out to the surface of the heating element 32 through capillary holes in the ceramic substrate 31 by capillary phenomenon to be atomized. The transverse width of the tail part 32 is smaller than that of the head part 31, the heating body 32 extends to the bottom surface and two side surfaces of the tail part 32, and four lead wires 33 are led out from the bottom surface and the two side surfaces respectively.

The base 50 includes a body 51, a plurality of clamping portions 54 extending from two sides of the body 51 toward the sealing member 40, and a plurality of electrodes 56 formed in the body 51. The body 51 is vertically penetrated to form an air inlet hole 531 communicating with the outside air passage and a plurality of terminal holes 532 for accommodating the electrodes 56. The electrode 56 passes through the terminal hole 532 and is exposed to the end surface of the main body 51, and the leads 33 are electrically connected to the electrode 56, respectively. The engaging portion 54 is provided with a third engaging portion 55 that engages with the second engaging portion 421 of the sealing member 40. The middle of the end surface of the main body 51 protrudes upward to form a protrusion 53 and a space-avoiding groove 52 recessed at the outer edge of the protrusion 53. The terminal hole 532 and the air intake hole 531 are provided on the projection 53.

In a specific implementation, the electrode 56 is provided with an elastic contact portion toward one end of the atomizing core 30, and the elastic contact portion directly abuts against the heating element 32 on the bottom surface of the atomizing core 30, and in this case, the lead 33 may not be needed. The electrodes 56 are provided with four electrodes to select different control programs and flavors corresponding to different tobacco stems.

The cover 20 includes a cylindrical body 21, fourth locking portions 23 disposed on both sides of the cylindrical body 21 and locked to the first locking portions 141, and a position-avoiding opening 22 and an edge-covering portion 24 opened on an end surface of the cylindrical body 21. The protruding portion 53 is exposed from the avoiding opening 22, and the edge covering portion 24 covers the avoiding groove 52, so that the surface of the protruding portion 53 is flush with the surface of the edge covering portion 24.

The manufacturing process of the atomization device comprises the following steps:

case of lead 33: integrally forming the sealing member 60 on the closing member 40; inserting the lead 33 into the electrode 56 for electrical connection; then the atomizing core 30 is installed in the first sealing part 61 of the sealing member 60; then the base 50 and the closing piece 40 are buckled to clamp the atomizing core 30; injecting tobacco tar into the liquid storage cavity 12 of the cigarette bullet tube 10, and inserting the closing piece 40, the base 50 and the atomizing core 30 therein into the cigarette bullet tube 10; at this time, the second sealing portion 63 of the sealing member 60 is sandwiched between the sealing member 40 and the inner wall surface of the cartridge tube 10 to prevent leakage; the third seal part 64 of the seal 60 is sandwiched between the outer wall surface of the end of the flue 13 and the inner wall surface of the butt flue 453 to prevent leakage; finally, the cover 20 is sleeved on the base 50, and the fourth fastening part 23 is fastened with the first fastening part 141 of the smoke bomb tube 10.

Absence of lead 33: at this point, the atomizing core 30 first engages the seal 60 within the closure 40 and then snaps the base 50 onto the closure 40.

According to the atomization device, the sealing element 60 is integrally formed on the sealing element 40, so that the defect that automatic assembly cannot be carried out due to the fact that manual assembly is needed when separate silica gel is arranged is avoided; simultaneously, sealing member 60 has first, second, third sealing 61 simultaneously, 63, 64 and realizes atomizing core 30 outer peripheral edges, closure 60 and cigarette cartridge 10 and flue 13 and stock solution chamber 12 between sealed respectively, and the integration of three sealing sets up, once injection moulding when injection moulding in the closure, the shaping during sealing member 60, only need set up a injecting glue point can, reduce the cost of moulding plastics.

This application electronic atomizer is switch on the atomizing device, makes the electric current passes through electrode 56 conducts extremely heat-generating body 33 makes heat-generating body 33 generates heat and atomizes and is adhered to tobacco tar on the bottom surface of atomizing core 30 is in order to produce smog.

The electronic cigarette is formed by inserting the atomizing device on an electronic cigarette rod, and a controller, a control circuit, a power supply and the like are integrated on the electronic cigarette rod.

Example 2

Referring to fig. 8 and 9, the atomizing core of the present embodiment 2 includes a ceramic base 80 and a ceramic core 90 located inside the ceramic base 80. The ceramic substrate 80 is zirconia ceramic, namely a compact ceramic material, and cannot seep liquid; the ceramic core 90 is made of porous ceramic, that is, a pore structure exists inside the ceramic core 90, which may cause a capillary phenomenon. The ceramic body 80 includes a frame 81 and a core cavity 82 penetrating the frame 81 in a vertical direction. During manufacturing, the ceramic substrate 80 is first formed, the core cavity 82 is then filled with a porous ceramic material, and finally the ceramic core 90 is formed by sintering the porous ceramic material.

The atomizing device of the embodiment 2 includes the atomizing core and the sealing member 70, and the outer side surface of the ceramic substrate 80 of the atomizing core is integrally formed on the sealing member 70 to prevent liquid leakage, and the sealing member is not required to be provided. The sealing member 70 is made of plastic material and includes an outer wall 71 and a cavity 72 enclosed by the outer wall 71, and an upper surface of the ceramic core 90 is exposed in the cavity 72. The outer side surface of the outer frame body of the ceramic base body 80 and the inner side surface of the outer wall 71 are integrally formed in an injection molding mode.

The outer side surface of the ceramic substrate 80, which needs to be injection molded, needs to be subjected to surface treatment in advance, so that a plurality of combinations capable of enhancing the plastic material and the zirconia ceramic are formed on the outer side surface of the frame 81. For the treatment of the outer surface of the zirconia ceramic, reference is made to the application of 201710109397.1 patent application of the people's republic of China, however, the treatment of the outer surface of the zirconia ceramic is not limited to the disclosure of the 201710109397.1 patent, and other conventional techniques for treating the surface of the zirconia ceramic can be used.

The manufacturing method of the atomization device described in example 2 is as follows:

s10, providing a ceramic substrate 80 with a core cavity 82, and filling a porous ceramic material in the core cavity 82;

in this step, the ceramic substrate 80 is zirconia ceramic, which has high hardness and density and is not prone to liquid seepage and fragmentation.

S20, sintering and molding the ceramic substrate 80 and the porous ceramic material in the core cavity 82 to form a ceramic core 90 in the core cavity 82;

the ceramic core 90 obtained in this step has micropores therein, which generate a capillary phenomenon for the passage of the soot;

s30, performing corrosion treatment on the outer surface of the ceramic substrate 80 to form a plurality of nano holes on the outer surface of the ceramic substrate 80;

the step is disclosed in the prior patent technical document, and the subsequent injection molding process of the main edge is performed;

s40, performing nano injection molding on the processed ceramic substrate 80 to form a sealing piece 70;

the joint surface of the ceramic substrate 80 and the closing member 70 is a surface treated by S30, that is, the joint surface of the ceramic substrate 80 is corroded to form a plurality of nanopore structures.

In the atomizing device of the embodiment 2, the ceramic core 90 of the porous ceramic material is directly sintered in the middle of the ceramic substrate 80, so that the technical problems of insufficient strength and easy fragmentation of the porous ceramic during extrusion are solved; simultaneously, ceramic base 80 adopts zirconia pottery direct and closing 70 shaping in an organic whole, need not again closing 70 with set up the sealing member between the ceramic base 80 and can realize preventing seepage liquid, simultaneously, getting rid of sealing member makes the atomizing device of this application more be convenient for automatic equipment.

The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (10)

1. The atomizing core is characterized by comprising a ceramic matrix and a ceramic core located inside the ceramic matrix, wherein the ceramic matrix is made of zirconia ceramic, the ceramic core is made of porous ceramic, the ceramic matrix comprises a framework and a core cavity penetrating through the framework in the vertical direction, and the porous ceramic is located in the core cavity.

2. The atomizing core of claim 1, wherein the ceramic core is formed by filling the core cavity with a porous ceramic material and sintering.

3. The atomizing device comprises an atomizing core and a closing piece, and is characterized in that the atomizing core is integrally formed in the closing piece and comprises a ceramic matrix and a ceramic core located inside the ceramic matrix.

4. The atomizing device of claim 3, wherein the ceramic substrate is zirconia ceramic, the ceramic core is porous ceramic, the ceramic substrate includes a frame body and a core cavity extending through the frame body in a vertical direction, the porous ceramic is located in the core cavity, the sealing member includes an outer wall, and an outer surface of the ceramic substrate and an inner surface of the outer wall are integrally formed to form a joint surface.

5. The atomizing device of claim 4, wherein the enclosure further includes a cavity defined by the outer wall, a bottom of the cavity being an upper surface of the ceramic core, the ceramic core being formed by filling the core cavity with a porous ceramic material and sintering the ceramic core.

6. An atomisation device as claimed in claim 5, in which the outer surface of the ceramic substrate is subjected to a corrosion treatment to form a nanoporous structure which is filled with a liquid plastic during injection moulding of the closure member.

7. The utility model provides an electronic cigarette, is including the cigarette bullet pipe, atomizing device and the tobacco rod that are equipped with stock solution chamber and flue, a serial communication port, atomizing device is including atomizing core, closure and base, atomizing core including the ceramic base member that is equipped with the core chamber and fill in ceramic core in the core chamber, the ceramic base member is zirconia pottery, ceramic core is porous pottery, closure integrated into one piece in the surface of ceramic base member, the closure inserts in order to seal in the cigarette bullet pipe the stock solution chamber, ceramic core with the stock solution chamber is relative, the closure still is equipped with the air flue, the air flue with the flue intercommunication, ceramic core bottom surface still is equipped with the heat-generating body, be equipped with on the base with heat-generating body electric connection's electrode.

8. The electronic cigarette of claim 7, wherein the flue of the cartridge tube is disposed outside the reservoir chamber, the air passage of the closure is disposed on the plastic material of the closure outside the atomizing core, and the air passage and the flue communicate with each other outside.

9. The electronic cigarette of claim 8, wherein the enclosure further comprises an outer wall and a cavity defined by the outer wall, wherein the upper surface of the ceramic core is at least a portion of the bottom surface of the cavity, and a sealing member is formed on the outer surface of the outer wall, and the sealing member is attached to the inner wall surface of the cartridge tube and the outer wall surface of the flue to prevent leakage.

10. The electronic cigarette of claim 9, wherein an end of the electrode on the base, which is close to the heating element, is provided with an elastic part, and the elastic part abuts against the heating element to conduct electric energy to the heating element.

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