CN214675713U

CN214675713U - Heating assembly and aerosol generating device

Info

Publication number: CN214675713U
Application number: CN202120649683.9U
Authority: CN
Inventors: 丁毅; 杜昊; 李青羽; 陈斌; 胡练球
Original assignee: Shenzhen ALD Technology Co Ltd
Current assignee: ALD Group Ltd; Shenzhen ALD Technology Co Ltd
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-09
Anticipated expiration: 2031-03-30
Also published as: WO2022205688A1

Abstract

The utility model relates to a heating component and an aerosol generating device, wherein the heating component comprises a heating element and a fixed seat, and the heating element comprises an insertion part and a fixed part; the fixing seat comprises a first shell and a second shell which are matched with each other to form fixing, so that the fixing part of the heating element is clamped and fixed between the first shell and the second shell. The utility model discloses fixing base among the heating element adopts split type structure, only need during the equipment with first casing and second casing butt joint in heating element's fixed part both sides, then connect first casing and second casing through the fastener and fix together to firmly fix the fixed part centre gripping, reach heating element and the mutual closely fixed purpose of fixing base, its simple structure, need not to adopt the mode of filling can realize sealed assembly fixed, it is more convenient to assemble, be favorable to reduction in production cost.

Description

Heating assembly and aerosol generating device

Technical Field

The utility model belongs to the technical field of the aerosol device, especially, relate to a heating element and aerosol generating device.

Background

The heating component comprises a heating element and a fixed seat fixed at the bottom of the heating element, and the heating component is fixedly connected with the shell of the aerosol generating device through the fixed seat so that the heating element is positioned in the accommodating cavity of the aerosol generating device. The fixing seat of the existing heating component is usually of an integrated structure and is provided with a cavity, the lower end of the fixing seat is opened, the upper end of the fixing seat is provided with a through hole communicated with the cavity, the heating element penetrates from the lower end of the fixing seat until the upper end of the heating element extends out of the through hole, the lower end of the heating element is positioned in the cavity, then the heating element and the fixing seat are fixed with each other after the molten insulating material is cooled. The cavity needs to be formed in the fixing seat in such a mode, and the heating element needs to be filled when being assembled and fixed with the fixing seat, so that the assembly is troublesome, time is consumed, and the cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve not enough among the prior art to a certain extent at least, provide a heating element and aerosol generating device.

In order to achieve the above object, the utility model provides a heating assembly, include:

a heat generating element including an insertion portion and a fixing portion;

the fixing seat comprises a first shell and a second shell which are matched and fixed with each other, so that the fixing part of the heating element is clamped and fixed between the first shell and the second shell.

Preferably, the first housing and the second housing are fixed to each other by a fastener.

Preferably, the first housing includes a top wall and a side wall formed on a bottom surface of the top wall, a through hole is formed in the top wall for the insertion portion to pass through, and the second housing is matched with the side wall; the insertion part of the heating element is arranged in the through hole in a penetrating mode, and the second shell is fixed on the side wall to clamp and fix the fixing part.

Preferably, a limiting structure is arranged between the second shell and the side wall.

Preferably, the limiting structure includes two limiting blocks formed by the second housing protruding towards the side wall direction, and two limiting grooves formed on the side wall and corresponding to the two limiting blocks, and the fixing portion of the heating element is located between the two limiting blocks.

Preferably, the limiting block can slide in the limiting groove, a clamping groove is formed in the position, corresponding to the sliding direction of the second shell, of the lower surface of the top wall, and the second shell can slide relative to the side wall, and the upper end of the second shell extends into the clamping groove.

Preferably, the fastener is a bolt, the second housing is fixed to the side wall by the bolt, and the bolt is located at one end of the side wall far away from the top wall.

Preferably, the heating element is a sheet structure, two sides of a fixing portion of the heating element are respectively protruded to form positioning electrodes, notches are respectively formed in positions of the second shell corresponding to the two positioning electrodes, and the tail ends of the positioning electrodes extend out of the fixing seat through the notches.

Preferably, the cross section of the insertion part is smaller than that of the fixing part, and the upper end of the fixing part is blocked in the through hole.

Preferably, the first and second shells are both made of an amorphous or semi-crystalline thermoplastic material.

Preferably, the shrinkage of the amorphous or semi-crystalline thermoplastic material is such that: the shrinkage rate is more than or equal to 0.8 percent and less than or equal to 3 percent.

Preferably, the amorphous or semi-crystalline thermoplastic material is a PEEK (polyether ether ketone) material, a PEKK (polyether ketone) material, a modified PEEK composite material or a modified PEKK composite material.

The utility model also provides an aerosol generating device, include as above heating element.

The utility model discloses fixing base among the heating element adopts split type structure, only need during the equipment with first casing and second casing butt joint in heating element's fixed part both sides, then connect first casing and second casing through the fastener and fix together to firmly fix the fixed part centre gripping, reach heating element and the mutual closely fixed purpose of fixing base, its simple structure, need not to adopt the mode of filling can realize sealed assembly fixed, it is more convenient to assemble, be favorable to reduction in production cost.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, 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 invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

Fig. 1 is a schematic structural view of the heating assembly of the present invention;

fig. 2 is an exploded view of fig. 1.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The embodiment of the utility model provides an aerosol generating device, it includes the shell and sets up power supply, controller and the heating element in the shell, wherein the one end opening of casing forms the chamber of acceping that is used for accepting the aerosol formation substrate, the controller respectively with power supply and heating element electric connection for control power supply supplies power for the heating element; the heating element of the heating component is positioned in the containing cavity, when the aerosol-forming substrate is inserted into the containing cavity from the opening, the heating element is inserted into the aerosol-forming substrate, and the power supply can supply power to the heating component through the controller, so that the heating element heats the aerosol-forming substrate to generate aerosol for a user to suck.

Referring to fig. 1 and 2, a heating assembly disclosed in the present invention includes a heating element 10 and a fixing base 20, wherein the heating element 10 includes an insertion portion 11 and a fixing portion 12; the fixing base 20 includes a first housing 21 and a second housing 22 that are engaged with each other, and the first housing 21 and the second housing 22 are fixed to each other by a fastener 23 or a snap to clamp and fix the fixing portion 12 of the heat generating component 10 in the fixing base 20.

The first shell 21 and the second shell 22 are both made of amorphous or semi-crystalline thermoplastic materials, and the shrinkage rate of the amorphous or semi-crystalline thermoplastic materials satisfies the following requirements: the shrinkage rate is more than or equal to 0.8% and less than or equal to 3%, preferably: the shrinkage rate is more than or equal to 1% and less than or equal to 2%, and the amorphous or semi-crystalline thermoplastic material can be modified PEEK composite materials such as PEEK (polyether ether ketone) materials, PEKK (polyether ketone) materials, carbon fibers and the like or modified PEKK composite materials such as carbon fibers and the like. Therefore, in the forming process of the fixing seat, the amorphous/semi-crystalline materials of the first shell 21 and the second shell 22 are transformed into the crystalline state, and the first shell 21 and the second shell 22 are integrally shrunk, so that the fixing seat 20 and the heating element 10 can be more tightly fixed together, and the gap between the fixing seat 20 and the heating element 10 is smaller, so as to achieve the purpose of preventing oil leakage.

According to the heating element of this embodiment, fixing base 20 adopts split type structure, only need during the equipment with first casing 21 and second casing 22 butt joint in the 12 both sides of fixed part of heating element 10, then connect first casing 21 and second casing 22 through fastener 23 and fix together, in order firmly to fix fixed part 12 centre gripping, reach heating element 10 and the mutual inseparable fixed purpose of fixing base 20, a structure is simple, need not to adopt the mode of packing can realize sealed assembly fixed, the assembly is more convenient, be favorable to reducing production cost. Of course, the first housing 21 and the second housing 22 of the present invention can also be fixed by means of a mutually fitting snap structure.

In one embodiment, the first housing 21 includes a top wall 211 and a side wall 212 formed at a bottom surface of the top wall 211, the top wall 211 has a through hole 213 formed therein for the insertion portion 11 to pass through, and the second housing 22 is engaged with the side wall 212; the insertion portion 11 of the heating element 10 is inserted into the through hole 213, and the second housing 22 is fixed to the sidewall 212 to clamp and fix the fixing portion 12.

Specifically, in order to ensure accurate assembly between the first housing 21 and the second housing 22, a limit structure is provided between the second housing 22 and the side wall 212, the limit structure includes two limit blocks 221 formed by the second housing 22 protruding toward the side wall 212, and two limit grooves 214 formed on the side wall 212 and corresponding to the positions of the two limit blocks 221, and the fixing portion 12 of the heat generating element 10 is located between the two limit blocks 221.

That is to say, the distance between the two limit blocks 221 is matched with the width of the fixing portion 12, and the limit structure can make the first shell 21 and the second shell 22 butt-jointed and matched with each other more conveniently and quickly.

Further, in order to improve the stability of the mutual connection and fixation of the first housing 21 and the second housing 22, the limiting block 221 can slide in the limiting groove 214, that is, the second housing 22 can slide up and down relative to the side wall 212 when being assembled on the side wall 212, and a locking groove 215 is formed on the lower surface of the top wall 211 corresponding to the sliding direction of the second housing 22, and the second housing 22 can slide relative to the side wall 212 and extend into the locking groove 215 at the upper end. After the upper end of the second housing 22 slides into the slot 215, the second housing 22 is fixed on the sidewall 212 by the fastener 23, so as to improve the fastening stability between the first housing 21 and the second housing 22.

Preferably, the lower end of the second housing 22 is provided with a first screw hole 223, the lower end of the sidewall 212 is provided with a second screw hole 216, and after the upper end of the second housing 22 slides into the slot 215, the first screw hole 223 and the second screw hole 216 are correspondingly communicated with each other; the fastening member 23 in this embodiment is a bolt, and the bolt is screwed into the first screw hole 223 and the second screw hole 216 to firmly fasten the second housing 22 to the side wall 212, thereby clamping and fixing the fixing portion 12.

In one embodiment, the heating element 10 in this embodiment is a sheet structure, two sides of the fixing portion 12 of the heating element respectively protrude to form the positioning electrodes 14, the second casing 22 is respectively provided with notches 222 corresponding to the two positioning electrodes 14, and the ends of the positioning electrodes 14 extend out of the fixing base 20 through the notches 222.

The heating element 10 is made of a conductive ceramic material, and has a through groove 13 penetrating through the front and back surfaces thereof, the through groove 13 extends in the axial direction of the heating element 10, and one end of the through groove 13 extends out of the fixing portion 12, and the other end is close to one end of the insertion portion 11 away from the fixing portion 12. The extending ends of the positioning electrodes 14 are respectively connected with pins 15, and the two positioning electrodes 14 are respectively electrically connected with the controller through the pins 15, so that the power supply sequentially passes through the controller, the pins 15 and the positioning electrodes 14 to supply power to the heating element 10.

In addition, the cross section of the insertion portion 11 is smaller than that of the fixing portion 12, and the upper end of the fixing portion 12 is blocked in the through hole 213. When the insertion portion 11 of the heating element 10 passes through the through hole 213 of the top wall 211, the upper end of the fixing portion 12 is just plugged in the through hole 213 by the stopping action of the positioning electrode 14, and the fixing portion 12 completely seals the through hole 213 by the contraction action of the first shell 21 in the process of converting from the amorphous state/semi-crystalline state to the crystalline state in the preparation process of the heating element, so as to achieve the purpose of preventing oil leakage.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

Above is the description to the technical scheme that the utility model provides, to technical personnel in the field, according to the utility model discloses the thought of embodiment all has the change part on concrete implementation and range of application, to sum up, this description content should not be understood as the restriction of the utility model.

Claims

1. A heat generating component, comprising:

a heat generating element including an insertion portion and a fixing portion;

2. The heat generating assembly of claim 1 wherein the first housing and the second housing are secured to each other by fasteners.

3. The heating element as claimed in claim 2, wherein the first housing comprises a top wall and a side wall formed on a bottom surface of the top wall, the top wall has a through hole for the insertion portion to pass through, and the second housing is engaged with the side wall; the insertion part of the heating element is arranged in the through hole in a penetrating mode, and the second shell is fixed on the side wall to clamp and fix the fixing part.

4. The heat generating assembly of claim 3, wherein a limiting structure is disposed between the second housing and the sidewall.

5. The heating assembly as claimed in claim 4, wherein the limiting structure includes two limiting blocks formed by the second housing protruding toward the side wall, and two limiting grooves formed on the side wall and corresponding to the two limiting blocks, and the fixing portion of the heating element is located between the two limiting blocks.

6. The heating element as claimed in claim 5, wherein the limiting block is slidable in the limiting groove, a locking groove is formed on a lower surface of the top wall corresponding to a sliding direction of the second housing, and the second housing is slidable relative to the side wall such that an upper end of the second housing extends into the locking groove.

7. The heat generating assembly of claim 6, wherein the fastener is a bolt, the second housing is fixed to the side wall by the bolt, and the bolt is located at an end of the side wall away from the top wall.

8. The heating assembly as claimed in claim 3, wherein the heating element is a sheet structure, two sides of the fixing portion of the heating element are respectively protruded to form positioning electrodes, the second housing is respectively provided with a notch corresponding to the two positioning electrodes, and the ends of the positioning electrodes extend out of the fixing base through the notches.

9. The heat generating component of claim 3, wherein the cross section of the insertion portion is smaller than that of the fixing portion, and the upper end of the fixing portion is plugged in the through hole.

10. The heat-generating component of claim 1, wherein the first shell and the second shell are each formed from an amorphous or semi-crystalline thermoplastic material.

11. The heat-generating component of claim 10, wherein the amorphous or semi-crystalline thermoplastic material has a shrinkage that satisfies: the shrinkage rate is more than or equal to 0.8 percent and less than or equal to 3 percent.

12. The heating element as claimed in claim 10 or 11, wherein the amorphous or semi-crystalline thermoplastic material is a PEEK material, a PEKK material or a modified PEEK composite material.

13. An aerosol generating device comprising a heat generating component as claimed in any one of claims 1 to 12.