WO2023220869A1

WO2023220869A1 - Electronic atomization assembly convenient to assemble and difficult to leak and manufacturing method therefor

Info

Publication number: WO2023220869A1
Application number: PCT/CN2022/093091
Authority: WO
Inventors: 陈平
Original assignee: 深圳市华诚达精密工业有限公司
Priority date: 2022-05-16
Filing date: 2022-05-16
Publication date: 2023-11-23

Abstract

An electronic atomization assembly convenient to assemble and difficult to leak, comprising a base body (1), a cover body (2), a heating body (4), a liquid guide body (3), and an electric connector (5), wherein the base body (1) is provided with a groove (12) matching the liquid guide body (3), the base body (1) is an injection molding part, and the base body (1) is fixedly connected to the heating body (4) by means of in-mold injection molding; the heating body (4) is arranged at the bottom of the groove (12); a fixing portion (43) is fixedly connected in the base body (1); a heating portion (41) is exposed out of the groove (12); the liquid guide body (3) is soft and is arranged in the groove (12) to make contact with the heating portion (41); and the cover body (2) covers the groove (12) and is connected to the base body (1) to press the liquid guide body (3). A manufacturing method for the electronic atomization assembly convenient to assemble and difficult to leak. The electronic atomization assembly uses the soft liquid guide body (3), and thus has a good liquid mobility and a good liquid locking capacity and is difficult to leak; the base body (1) is fixedly connected to the heating body (4) by means of in-mold injection molding, so that the heating body (4) has strength and is difficult to deform; and the soft liquid guide body (3) is arranged in the groove (12) of the base body (1) and is fixed by means of the cover body (2), so that the structure is stable, and large-scale automatic production and manufacturing are facilitated.

Description

Electronic atomization component that is easy to assemble and is not prone to leakage and its manufacturing method

Technical field

The present invention relates to the technical field of electronic atomization, and in particular to an electronic atomization component that is easy to assemble and is not prone to leakage and a manufacturing method thereof.

Background technique

Electronic atomization technology is a technology that evaporates and generates atomized steam by electrically heating liquid to its boiling point. Currently, it is mostly used in the field of electronic cigarettes. With the innovative development of atomization technology, electronic atomization technology is also used in more other applications. fields, such as beauty, medical and other fields. The core of the atomization technology field is the electronic atomization component, which is mainly composed of a heating element and a liquid conductor. According to the material of the liquid conductor, it is mainly divided into hard liquid conductor materials such as porous ceramics and liquid conductor cotton cloth. The soft liquid-conducting material, among which the hard liquid-conducting material is an electronic atomization component, has a good combination of the heating element and the liquid-conducting material, and the porous material provides support for the heating element. It is easy to use and assemble, but the shape and size of its porous structure Fixed, it hinders the passage of many macromolecules in the e-liquid, and it is difficult to achieve a balance between liquid supply and liquid locking, and liquid leakage problems are prone to occur. Soft liquid-conducting materials such as soft liquid-conducting cotton have good liquid permeability, good liquid-locking ability, and are not easy to leak. However, due to the poor structural strength of the heating element, it is easy to deform. When combined with soft liquid-conducting materials, the assembly Difficulty, mass production requires a lot of labor, so a structure and production process that is not easy to leak, has a stable structure and is not easily deformed, and is convenient for mass production are needed to enable it to be applied on a large scale.

technical problem

The technical problem to be solved by the present invention is to provide an electronic atomization component that is easy to assemble and is not prone to leakage and a manufacturing method thereof in view of the above-mentioned defects in the related art.

Technical solutions

The technical solutions adopted by the present invention to solve the technical problems include: providing an electronic atomization component that is easy to assemble and is not prone to leakage, including a base body, a cover body, a heating element for heating atomized liquid, a liquid for storing liquid, and a liquid for storing liquid. The conductive liquid transferred to the heating element and the electrical connector used to connect to the external circuit, the base body is provided with a groove matching the conductive liquid, the heating element is a conductive metal piece and includes a fixing part, The heating part that generates heat when energized is connected to the fixed part and the electrode part connected to the heating part. The base body is an injection molded part, and the base body is solidified with the heating element through in-mold injection molding. The heating element is provided at the bottom of the groove, the fixing part is fixed in the base body, the heating part is exposed in the groove, the liquid-conducting liquid is soft and is provided in the groove, and contacts all As for the heating part, the cover covers the groove and is connected to the base body to press the liquid conductor;

The base body or the cover body is provided with a liquid inlet hole leading from the outside to the liquid conduction for allowing external liquid to contact the liquid conduction, and the electrical connector is provided on the base body and electrically Connected to the electrode part, the base body is provided with a ventilation channel that communicates with the outside and passes through the heating part 41. The air flow in the ventilation channel brings the aerosol generated by the heating element to heat the atomized liquid to the electronic atomization component. outside.

Preferably, the depth direction of the groove is along the first direction, the groove is open on both sides in the second direction, the cover is provided on one side of the base body in the first direction, and the guide Both sides of the liquid in the second direction are located in the open sides of the groove, the first direction being perpendicular to the second direction.

Preferably, the liquid-conducting structure is a single-layer structure; or the liquid-conducting structure is at least two layers superimposed along the depth direction of the groove.

Preferably, the cover is superimposed on the liquid-conducting liquid along the depth direction of the groove.

Preferably, the cover is fixed on the base by ultrasonic welding.

Preferably, the base body is provided with a first positioning part, and the cover body is provided with a second positioning part that cooperates with the first positioning part to realize the positioning of the cover body;

The cover body is made of plastic, and the part where the cover body contacts the base body is provided with a plurality of protruding ultrasonic welding parts for ultrasonic welding; or the cover body is made of metal, and the first positioning part is in the shape of The second positioning part is in the shape of a protrusion, and the second positioning part is in the shape of a hole. The first positioning part is deformed after passing through the second positioning part, and blocks the second positioning part to fix the cover.

Preferably, the liquid inlet hole is provided on the cover body.

Preferably, the ventilation channel is provided below the groove and opens at the bottom of the groove. The fixing part of the heating element is provided on the periphery of the heating part and is fixed to the ventilation passage with the base body. The channel is at the periphery of the opening at the bottom of the tank, the heating part is located in the opening of the ventilation channel at the bottom of the tank, and the liquid conducting liquid is located above the heating part, so that the heating part is exposed in the tank and in contact with the conductive liquid.

Preferably, the heating part is provided with a gap, and the aerosol generated by heating and atomization of the heating part enters the ventilation channel through the gap, and then enters the ventilation channel.

Preferably, the heating part is flat and arranged parallel to the bottom surface of the groove, and the side surface where the conductive liquid contacts the heating part is also flat; or the bottom surface of the groove is curved, and the heating part is curved. The bottom portion is in a curved surface shape corresponding to the bottom surface of the groove, and the side surface in contact with the heat-generating portion of the liquid-conducting portion is also in a curved-surface shape corresponding to the heat-generating portion.

Preferably, the heating part includes multiple sections of first heating circuits and multiple sections of second heating circuits, each section of the second heating circuits is connected between two sections of the first heating circuits, and the number of the fixing parts is A plurality of them are arranged at both ends of each section of the first heating circuit.

Preferably, the fixing part is bent relative to the heating part.

Preferably, each of the fixing parts includes a first part protruding outward from the heating part and a second part protruding relative to the first part.

Preferably, a straight and deep electrical connector hole is provided on the outside of the base body, the electrode portion of the heating element is located in the hole, and the electrical connector is inserted into the electrical connector hole to contact the electrode. department.

Preferably, the electrical connector hole penetrates deep into the lower side of the groove and the groove is open, and the electrode part is bent relative to the heating part and extends into the electrical connector hole.

The technical solutions adopted by the present invention to solve the technical problems include: providing a manufacturing method for the above-mentioned electronic atomization component that is easy to assemble and is not prone to leakage, including:

Step A: Provide a cover, the soft conductive liquid for storing liquid and conducting the liquid to the heating element, the heating element for heating the atomized liquid, and the electrical connector for connecting to the external circuit. , the heating element is a conductive metal piece and includes a fixed part, a heating part connected to the fixed part that generates heat when energized, and an electrode part connected to the heating part;

Step B: Place the heating element in the injection mold. The base body is solidified with the heating element through in-mold injection molding. The base body is provided with a groove that matches the liquid-conducting liquid. The heating element is provided with At the bottom of the groove, the heating part is exposed in the groove, and the base body is provided with a ventilation channel for bringing the aerosol generated by the heating element to heat the atomized liquid to the outside of the electronic atomization assembly;

Step C: Install the electrical connector on the base body and electrically connect the electrode part;

Step D: Place the conductive liquid in the groove and contact the heating part;

Step E: Cover the cover body on the groove and connect the base body, press the liquid conductor to form the electronic atomization assembly, wherein the base body or the cover body is provided with a seal from the outside. A liquid inlet hole leading to the liquid conductor for allowing external liquid to contact the liquid conductor.

Preferably, the manufacturing method is used to manufacture at least two of the electronic atomization components;

In step B: the depth direction of the groove is along the first direction, the groove is open on both sides in the second direction and the opening positions of each of the base bodies are aligned;

In the step D: simultaneously dispose one of the liquid-conducting liquids in the grooves of each of the base bodies along the second direction;

The manufacturing method includes step F: cutting the liquid-conducting liquid at a position between the two base bodies to form at least two electronic atomization components.

Preferably, the liquid-conducting layer is a single-layer structure or at least two-layer structures superimposed along the depth direction of the groove;

In the step E: the cover is superimposed on the liquid-conducting liquid along the depth direction of the groove.

Preferably, in step B, a straight and deep hole for an electrical connector is provided on the outside of the base body, and the electrode portion of the heating element is located in the hole; the electrical connector is inserted into the electrical connector. contact the electrode portion in the component hole.

In step A: process metal material into at least two heating elements;

In the step A: process the metal material into at least two heating elements and a connecting portion that connects each heating element at the same time. Each heating element is connected together through the connecting portion, and each heating element is connected together through the connecting portion. The heating element includes the fixing part, the heating part and the electrode part;

In the step B: at least two base bodies that are bonded together with each of the heating elements are formed by in-mold injection molding. The connecting portion is outside the base body, and each of the base bodies is connected through the connecting portion. together;

In the step E: cover at least two of the cover bodies on the grooves of each of the base bodies;

In the step F: cut off the connection between the heating element and the connecting part, and separate the electronic atomization component from the connecting part.

beneficial effects

Implementing the technical solution of the present invention has at least the following beneficial effects: the electronic atomization component adopts a soft liquid-conducting material, which has good liquid permeability, good liquid-locking ability, and is not easy to leak, and the base body and the heating element are formed by in-mold injection molding Being consolidated together gives the heating element strength and is not easily deformed. The soft conductive liquid is placed in the groove of the base body and fixed by the cover body. The structure is stable and facilitates large-scale automated production and manufacturing.

Description of the drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments or prior art will be briefly introduced below. Obviously, the drawings in the following description are only illustrative of the present invention. For some embodiments, for those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a perspective view of an electronic atomization assembly that is easy to assemble and is resistant to liquid leakage, according to an embodiment of the present invention.

FIG. 2 is an exploded view of the electronic atomizer assembly of FIG. 1 .

Figure 3 is an exploded view of the base body, heating element and electrical connectors of the electronic atomizer assembly of Figure 2.

FIG. 4 is a perspective view of the heating element of FIG. 3 .

Figure 5 is a partial enlarged view of part A in Figure 4.

FIG. 6 is a top view of the electronic atomization assembly of FIG. 1 .

FIG. 7 is a cross-sectional view at position A-A in FIG. 6 .

FIG. 8 is a cross-sectional view at position B-B in FIG. 6 .

FIG. 9 is a perspective view of the base body of the electronic atomization assembly of FIG. 1 according to the first embodiment.

FIG. 10 is a perspective view of the cover of the electronic atomization assembly of FIG. 1 according to the first embodiment.

FIG. 11 is a perspective view of the base body of the second embodiment of the electronic atomization assembly of FIG. 1 .

FIG. 12 is a perspective view of the cover of the electronic atomization assembly of FIG. 1 according to the second embodiment.

Figure 13 is a schematic diagram of step A of a manufacturing method that facilitates the assembly of an electronic atomization assembly that is less prone to leakage, according to an embodiment of the present invention.

Figure 14 is a schematic diagram of step B of a manufacturing method that facilitates the assembly of an electronic atomization assembly that is less prone to leakage, according to an embodiment of the present invention.

Figure 15 is a schematic diagram of step C of a manufacturing method that facilitates the assembly of an electronic atomization component that is less prone to leakage, according to an embodiment of the present invention.

Figure 16 is a schematic diagram of steps D and E of a manufacturing method that facilitates the assembly of an electronic atomization assembly that is less prone to leakage, according to an embodiment of the present invention.

Figure 17 is a schematic diagram of step F of a manufacturing method that facilitates the assembly of an electronic atomization component that is less prone to leakage, according to an embodiment of the present invention.

The numbers in the figure represent: base 1, first positioning part 11, groove 12, air channel 13, electrical connector hole 14, cover 2, second positioning part 21, liquid inlet 22, ultrasonic welding part 23, guide Liquid 3, heating element 4, heating part 41, first heating circuit 411, second heating circuit 412, electrode part 42, fixed part 43, first part 431, second part 432, gap 44, electrical connector 5, connection Part 6, first direction 71, second direction 72, third direction 73, metal material 8.

Embodiments of the invention

In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that if the directions or positional relationships indicated by "upper", "lower", "top", "bottom", "inner", "outer", etc. appear in the text, they are based on the orientation or positional relationships shown in the accompanying drawings. Constructing and operating in a specific orientation is only to facilitate the description of the present technical solution, and does not indicate that the device or element referred to must have a specific orientation, and therefore cannot be construed as a limitation of the present invention. It should also be noted that unless otherwise clearly stated and limited, if terms such as "installation", "connection", "connection", "fixing" and "setting" appear in the text, they should be understood in a broad sense. For example, it can be a fixed connection. , or it can be detachably connected, or integrated; it can be directly connected, or it can be indirectly connected through an intermediary, it can be the internal connection of two elements or the interaction between two elements. When an element is referred to as being "on" or "under" another element, it can be "directly" or "indirectly" on the other element or one or more intervening elements may also be present. If the terms "first", "second", "third", etc. appear in the text, they are only for the convenience of describing the technical solution, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of indicated technical features. Thus, features defined as "first," "second," "third," etc. may explicitly or implicitly include one or more of these features. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it will be apparent to those skilled in the art that the present invention may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the present invention in unnecessary detail.

Referring to Figures 1-10, an electronic atomization assembly that is easy to assemble and is not prone to leakage in one embodiment of the present invention includes a base body 1, a cover body 2, a heating element 4 for heating atomized liquid, a The conductive liquid 3 that conducts the contacted liquid to the heating element 4 and the electrical connector 5 for connecting to the external circuit. The base 1 is provided with a groove 12 matching the conductive liquid 3. The heating element 4 is a conductive metal piece and It includes a fixed part 43, a heating part 41 connected to the fixed part 43 that generates heat when energized, and an electrode part 42 connected to the heating part 41. The base 1 is an injection molded part formed by injection molding. The base 1 is fixed to the heating element 4 by in-mold injection molding. Together, the heating element 4 is located at the bottom of the groove 12, the fixing part 43 is fixed in the base 1, the heating part 41 is exposed in the groove 12, and the liquid conductor 3 is soft and is located in the groove 12 to position the liquid conductor. 3. The conductive liquid 3 contacts the heating part 41, the cover 2 covers the groove 12 and is connected to the base 1, pressing the liquid conductor 3. The base 1 and the cover 2 are hard to support the liquid conductor 3 well;

The base 1 or the cover 2 is provided with a liquid inlet 22 leading from the outside to the conductive liquid 3 for allowing external liquid to contact the conductive liquid 3. The electrical connector 5 is provided on the base 1 and is electrically connected to the electrode of the heating element 4. The base body 1 is provided with an air passage 13 that communicates with the outside and passes through the heating part 41 of the heating element 4. The air flow in the air passage 13 brings the aerosol generated by the heating element 4 to heat the atomized liquid to the outside of the electronic atomization assembly.

The electronic atomization component of the present invention is easy to assemble and is not easy to leak, and at least has beneficial technical effects: the electronic atomization component uses a soft liquid guide 3, which has good liquid permeability, good liquid locking ability, and is not easy to leak, and the base body 1 It is bonded together with the heating element 4 through in-mold injection molding, so that the heating element 4 has strength and is not easily deformed. The soft conductive liquid 3 is located in the groove 12 of the base body 1 and fixed by the cover 2. The structure is stable and convenient. Large-scale automated manufacturing.

Among them, the liquid-conducting material 3 can be a porous material. The so-called porous material can also be called a microporous material with many micropores distributed in it to realize the absorption and conduction of liquid. The hard porous material has a porous ceramic body, and the soft porous material There is liquid-conducting cotton.

Among them, the groove 12 of the base body 1 is used to accommodate and position the conductive liquid 3, the fixing part 43 of the heating element 4 is used to fix the heating element 4, and the electrode part 42 is used for the inflow and outflow of current. When the electronic atomization component is working, the external liquid comes into contact with the liquid conductor 3 through the liquid inlet 22. The liquid conductor 3 conducts the contacted liquid to the heating part 41 of the heating element 4. The electrical connector 5 is electrically connected to the external circuit. The electric current passes through the heating element 4, and the heating part 41 heats the atomizing liquid to generate aerosol, and the airflow passing through the ventilation channel 13 takes the aerosol out of the electronic atomization component through the ventilation channel 13.

Preferably, the depth direction of the groove 12 is along the first direction 71, the groove 12 is open on both sides in the second direction 72, the cover 2 is provided on one side of the base 1 in the first direction 71, and the liquid-conducting liquid 3 is in the second direction 72. Two sides in the direction 72 are located on the open sides of the groove 12 , and the first direction 71 is perpendicular to the second direction 72 . In this way, during the manufacturing process, the conductive liquid 3 can be simultaneously placed in the grooves 12 of multiple base bodies 1 along the second analysis 72, and then the liquid conductive liquid 3 can be cut at the position between each base body 1 to form a separate electronic mist. ization components.

Preferably, the liquid-conducting liquid 3 is a single-layer structure with a certain thickness; or the liquid-conducting liquid 3 is in the form of a sheet, and the liquid-conducting liquid 3 is at least a two-layer structure superimposed along the depth direction of the groove 12, and can be made of soft fibrous woven cloth or Liquid-conducting materials such as cotton cloth.

The cover 2 is superimposed on the liquid-conducting liquid 3 along the depth direction of the groove 12 . The at least two-layer stacked structure of the liquid guide 3 and the stacked arrangement of the cover 2 facilitate automated mass production.

Preferably, the cover 2 is fixed on the base 1 by ultrasonic welding.

Preferably, the base 1 is provided with a first positioning part 11, and the cover 2 is provided with a second positioning part 21 that cooperates with the first positioning part 11. The first positioning part 11 and the second positioning part 21 are concave and convex to realize the cover. Position the body 2; and the cover 2 is embedded in the base 1 so that the surface of the cover 2 is as flush as possible with the surface of the base 1.

In some embodiments, see Figures 9-10, both the cover body 2 and the base body 1 are made of plastic, and the portion where the cover body 2 contacts the base body 1 is provided with a plurality of protruding linear ultrasonic welding portions 23 for ultrasonic welding. , during the assembly process, the ultrasonic waves cause the ultrasonic welding part 23 to melt, deform and then solidify, thereby achieving the fixation of the cover 2 and the base 1; or in other embodiments, see Figures 11-12, the base 1 is plastic, and the cover 2 It is made of metal, the first positioning part 11 is in the shape of a protrusion, and the second positioning part 21 is in the shape of a hole. The first positioning part 11 passes through the second positioning part 21 and then melts and deforms through ultrasonic welding, blocking the second positioning part 21, so that The cover body 2 is fixed.

Preferably, the liquid inlet hole 22 is provided on the cover body 2 and penetrates the cover body 2 along the thickness direction of the cover body 2 .

Preferably, the air passage 13 is provided below the groove 12 and opens at the bottom of the groove 12. The fixing part 43 of the heating element 4 is provided on the periphery of the heating part 41, and is fixed with the base body 1 to the periphery of the opening of the air passage 13 at the bottom of the groove 12. , the heating part 41 is located in the opening of the ventilation channel 13 at the bottom of the groove 12, and the liquid conducting liquid 3 is located above the heating part 41, so that the heating part 41 is exposed in the groove 12 and the upper side of the heating part 41 is in contact with the liquid conducting 3. The heating part 41 is provided with a gap 44 . The heating part 41 includes heating circuits. The gaps 44 are formed between the heating circuits. The gas mist generated by heating and atomization of the heating part 41 enters the ventilation channel 13 through the gap 44 and then enters the ventilation channel 13 .

Preferably, the heating element 4 is planar. Specifically, the bottom surface of the groove 12 is planar. The heating part 41 of the heating element 4 is flat and arranged parallel to the bottom surface of the groove 12. The bottom surface of the conductive liquid 3 is in contact with the heating part 41. The side surface is also flat; or the bottom surface of the groove 12 is curved, the heating part 41 is in the shape of a curve corresponding to the bottom surface of the groove 12, and the lower side of the conductive liquid 3 in contact with the heating part 41 is also in the shape of a curve corresponding to the heating part 41 .

Preferably, the heating part 41 includes multiple sections of side-by-side first heating circuits 411 and multiple sections of second heating circuits 412. The first heating circuits 411 are parallel to the third direction 73, and each section of the second heating circuits 412 is connected to two sections of the first heating circuits. 411, the number of fixing parts 43 is multiple and is provided at both ends of each section of the first heating circuit 411. The fixing parts 43 are fixed in the base body 1, so that the fixed parts 43 are fixed to the two ends of each section of the first heating circuit 411. Once fixed, the first heating circuit 411 has a certain strength, ensuring that when the electronic atomizer assembly is assembled with the liquid conductor 3, the first heating circuit 411 of the heating part 41 will not be deformed due to force. Surrounding the second heating circuit 412 is a fixed part 43. The second heating circuit 412 is equivalent to cutting off the circuit, and the current flows through the electrode part 42, the first heating circuit 411 and the second heating circuit 412, but does not flow through the fixed part 43. , therefore the fixed portion 43 does not generate heat. The fixing part 43 is bent relative to the heating part 41 and can be bent at 90 degrees. When the heating part 41 is deployed, the fixing part 43 and the first heating circuit 411 are on the same straight line. Each fixing part 43 includes a first part 431 protruding outward from the heating part 41 and a second part 432 protruding relative to the first part 431 . This structure of the fixing part 43 can enhance the bonding strength with the base 1 .

Preferably, a straight and deep electrical connector hole 14 is provided on the outside of the base body 1. The electrode portion 42 of the heating element 4 is located in the hole. The electrical connector 5 is in the shape of a rod, which can be a PIN pin, and is inserted into the electrical connector hole 14. Press and contact the electrode portion 42 to achieve electrical connection. With the electrical connector 5, there is no need to solder additional pins for connecting the electronic atomizer component to the external circuit, and at the same time, the size and specifications are more standardized and modular.

Preferably, the electrical connector hole 14 goes deep into the lower side of the groove 12 and opens sideways to the groove 12. The electrode part 42 is bent relative to the heating part 41, and can be bent at 90 degrees to extend into the electrical connector hole 14, so that in contact with the electrical connector 5. Specifically, the number of electrode parts 42 is two, which are respectively provided on both sides of the heating part 41 and bent to the same side. The number of electrical connector holes 14 and electrical connectors 5 is both two, located on the heating element 4 Below, and respectively located on both sides of the air passage 13, the two electrode portions 42 are respectively located in the two electrical connector holes 14, and the two electrical connectors 5 are respectively inserted into the two electrical connectors 5, and are connected with the two electrical connector holes 14. The electrode parts 42 are in contact, and a part of the electrical connector 5 is exposed outside the base 1 for connection with an external circuit. One of the electrical connectors 5 and the electrode are used for the inflow of current, and the other electrical connector 5 and the electrode are used for due to the outflow of current. Moreover, two electrical connector holes 14 are provided on the same side of the base body 1 to facilitate connection with external circuits.

In summary, the electronic atomization component of the present invention is easy to assemble and is not prone to leakage, has a stable structure, and is convenient for large-scale automated production and manufacturing:

1. The base body 1 and the heating element 4 are bonded together through in-mold injection molding, so that the heating element 4 has strength and is not easily deformed;

2. The soft liquid-conducting liquid 3 has good liquid permeability, good liquid-locking ability, and is not easy to leak. Moreover, the soft liquid-conducting liquid 3 is located in the groove 12 of the base body 1 and is fixed by the cover 2. The liquid-conducting liquid 3 is a single layer and has a certain The thickness structure may be a multi-layer structure superimposed along the depth direction of the groove 12;

3. The electrical connector 5 is inserted into the electrical connector hole 14 of the base 1 and fixed, and is in electrical contact with the motor of the heating element 4;

4. The cover 2 is superimposed on the liquid guide 3 along the depth direction of the groove 12, and is welded to the base 1 through ultrasonic welding.

Referring to Figures 13-17, a method for manufacturing an electronic atomization component according to an embodiment of the present invention includes:

Step A: Provide a cover 2, a soft conductive liquid 3 for storing liquid and conducting the contacted liquid to the heating element 4, a heating element 4 for heating the atomized liquid, and an electric wire for connecting to an external circuit. Sexual connector 5, the heating element 4 is a conductive metal piece and includes a fixed part 43, a heating part 41 connected to the fixed part 43 that generates heat when energized, and an electrode part 42 connected to the heating part 41;

Step B: Place the heating element 4 in the injection mold. The base body 1 is solidified with the heating element 4 through in-mold injection molding. The base body 1 is provided with a groove 12 that matches the liquid conductor 3. The heating element 4 is located in the groove 12. At the bottom, the heating part 41 is exposed in the groove 12, and the base 1 is provided with an external ventilation channel 13 for bringing the aerosol generated by heating the atomized liquid by the heating element 4 to the outside of the electronic atomization assembly; since the base 1 and the heating element 4 are consolidated together, so the heating element 4 has strength and is not easily deformed in subsequent automated assembly operations;

Step C: Install the electrical connector 5 on the base 1 and electrically connect the electrode portion 42 of the heating element 4;

Step D: Place the liquid-conducting liquid 3 in the groove 12 to position the liquid-conducting liquid 3 and contact the heating part 41;

Step E: Cover the cover 2 on the groove 12 and connect it to the base 1 to press the liquid conductor 3. The base 1 and the cover 2 are hard to support the liquid conductor 3 well to form an electronic atomization assembly, where, The base 1 or the cover 2 is provided with a liquid inlet 22 leading to the liquid conductor 3 from the outside for allowing external liquid to contact the liquid conductor 3 .

The manufacturing method of the electronic atomization component of the present invention is easy to assemble and is not prone to leakage, and has beneficial technical effects: the base body 1 and the heating element 4 are consolidated together through in-mold injection molding, so that the heating element 4 has strength, is not easy to deform, and is soft. The high-quality liquid-conducting liquid 3 is arranged in the groove 12 of the base body 1 and fixed by the cover body 2. The structure is stable and convenient for large-scale automated production and manufacturing.

Referring to Figures 14-17, preferably, the manufacturing method is used to manufacture at least two electronic atomization components;

In step B: the depth direction of the groove 12 is along the first direction 71, the groove 12 is open on both sides in the second direction 72 and the opening positions of each base body 1 are aligned;

In step D: a long strip of liquid-conducting liquid 3 is simultaneously placed in the grooves 12 of each base body 1 along the second direction 72;

The manufacturing method includes step F: cutting the liquid-conducting liquid 3 between the two base bodies 1 to form at least two electronic atomization components.

Referring to Figure 16, preferably, the liquid-conducting liquid 3 is a single-layer structure or at least two-layer structures superimposed along the depth direction of the groove 12;

In step E: the cover 2 is superimposed on the liquid conductor 3 along the depth direction of the groove 12, and is welded to the base 1 through ultrasonic welding.

Referring to Figures 14-15, preferably, in step B, the outer side of the base 1 is provided with an electrical connector hole 14 that goes straight into the base 1, and the electrode portion 42 of the heating element 4 is located in the hole; the electrical connector 5 is rod-shaped. , can be a PIN pin, which is inserted into the electrical connector hole 14 to press and contact the electrode portion 42 to achieve electrical connection. With the electrical connector 5, there is no need to solder additional pins for connecting the electronic atomizer component to the external circuit, and at the same time, the size and specifications are more standardized and modular.

Referring to Figures 13-17, preferably, the manufacturing method is used to manufacture at least two electronic atomization components;

In step A: process a piece of metal material 8 into at least two heating elements 4. The number of cover bodies 2, heating elements 4 and electrical connectors 5 corresponds to the number of electronic atomization components to be manufactured; specifically, The heating circuit of the heating part 41 of the heating element 4 can be formed from the sheet metal material 8 by stamping, etching or laser cutting, and the parts that need to be bent (the fixed part 43 and the electrode part 42, etc.) are bent by a mold. The heating part 41 is planar, or flat, and the heating element 4 is generally planar as a whole.

In step A: process the sheet-shaped metal material 8 into at least two heating elements 4 and connecting portions 6 that connect each heating element 4 at the same time. Each heating element 4 is connected together through the connecting portion 6, and the connecting portion 6 is provided on each On the same side of the heating element 4, each heating element 4 includes a fixing part 43, a heating part 41 and an electrode part 42;

In step B: at least two base bodies 1 are formed by in-mold injection molding and are respectively solidified with each heating element 4. The connecting portion 6 is outside the base body 1 and on the same side of each base body 1. Each base body 1 passes through the connecting portion. 6 together;

In step E: cover at least two covers 2 on the grooves 12 of each base 1 respectively;

In step F: cut off the connection between the heating element 4 and the connecting part 6, and separate the electronic atomization assembly from the connecting part 6.

In summary, the manufacturing method of the electronic atomization component of the present invention is easy to assemble and is not prone to leakage, and is convenient for large-scale automated production and manufacturing:

2. The soft liquid-conducting liquid 3 has good liquid permeability, good liquid-locking ability, and is not easy to leak. Moreover, the liquid-conducting liquid-conducting 3 is located in the groove 12 of the base body 1 and is fixed by the cover 2. The liquid-conducting liquid 3 is a single layer with certain properties. The thickness structure may be a multi-layer structure superimposed along the depth direction of the groove 12;

The electronic atomization component of the present invention can be applied to electronic cigarettes to heat and atomize smoke liquid.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications, combinations and changes. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of the claims of the present invention.

Claims

An electronic atomization component that is easy to assemble and is not prone to leakage. It is characterized by including a base body (1), a cover body (2), a heating element (4) for heating atomized liquid, and a heating element (4) for storing liquid and conducting liquid. A liquid conductor (3) to the heating element (4) and an electrical connector (5) for connecting to an external circuit. The base body (1) is provided with a groove matching the liquid conductor (3). (12), the heating element (4) is a conductive metal piece and includes a fixed part (43), a heating part (41) connected to the fixed part (43) that generates heat when energized, and a heating part (41) connected to the heating part (41). ) electrode part (42), the base body (1) is an injection molded part, the base body (1) is consolidated with the heating element (4) through in-mold injection molding, and the heating element (4) is At the bottom of the groove (12), the fixing part (43) is fixed in the base body (1), the heating part (41) is exposed in the groove (12), and the liquid-conducting part (3 ) is soft and is located in the groove (12), contacting the heating part (41), the cover (2) covers the groove (12) and is connected to the base body (1), Press down the liquid guide (3);

The base body (1) or the cover body (2) is provided with a liquid inlet (22) leading from the outside to the liquid conduction (3) for allowing external liquid to contact the liquid conduction (3), The electrical connector (5) is provided on the base body (1) and is electrically connected to the electrode part (42). The base body (1) is provided with a ventilation channel that communicates with the outside and passes through the heating part (41). Channel (13), the air flow of the ventilation channel (13) brings the aerosol generated by the heating element (4) to heat the atomized liquid to the outside of the electronic atomization component.
The electronic atomization assembly according to claim 1, characterized in that the depth direction of the groove (12) is along the first direction (71), and both sides of the groove (12) in the second direction (72) Open, the cover (2) is provided on one side of the base (1) in the first direction (71), and the liquid conductor (3) is on both sides of the second direction (72). Located in the open sides of the groove (12), the first direction (71) is perpendicular to the second direction (72).
The electronic atomization assembly according to claim 1, characterized in that the liquid-conducting liquid (3) has a single-layer structure; or the liquid-conducting liquid (3) is at least one layer superimposed along the depth direction of the groove (12). Two-story structure.
The electronic atomization assembly according to claim 3, characterized in that the cover (2) is superimposed on the liquid-conducting liquid (3) along the depth direction of the groove (12).
The electronic atomization assembly according to claim 1, characterized in that the cover (2) is fixed on the base (1) through ultrasonic welding.
The electronic atomization assembly according to claim 5, characterized in that the base body (1) is provided with a first positioning portion (11), and the cover (2) is provided with a first positioning portion. (11) The matching second positioning part (21) realizes the positioning of the cover (2);

The cover (2) is made of plastic, and the portion in contact with the base (1) is provided with a plurality of protruding ultrasonic welding parts (23) for ultrasonic welding; or the cover The body (2) is made of metal. The first positioning part (11) is in the shape of a protrusion. The second positioning part (21) is in the shape of a hole. The first positioning part (11) passes through the second positioning part. The second positioning part (21) deforms and blocks the second positioning part (21) to fix the cover (2).
The electronic atomization assembly according to claim 1, characterized in that the liquid inlet hole (22) is provided on the cover body (2).
The electronic atomization assembly according to claim 1, characterized in that the ventilation channel (13) is provided below the groove (12) and opens at the bottom of the groove (12), and the heating element (4 ) of the fixed part (43) is provided on the periphery of the heating part (41), and is fixed with the base body (1) to the periphery of the opening of the ventilation channel (13) at the bottom of the groove (12), The heating part (41) is located in the opening of the ventilation channel (13) at the bottom of the groove (12), and the liquid conducting liquid (3) is located above the heating part (41), realizing that the heating part (41) 41) is exposed in the groove (12) and in contact with the liquid conductor (3).
The electronic atomization assembly according to claim 8, characterized in that the heating part (41) is provided with a gap (44), and the aerosol generated by heating and atomization of the heating part (41) passes through the gap (44). 44) Enter the ventilation channel (13), and then enter the ventilation channel (13).
The electronic atomization assembly according to claim 1, characterized in that the heating part (41) is flat and is arranged parallel to the bottom surface of the groove (12), and the liquid conducting part (3) is in contact with the heating part. The side surface in contact with the part (41) is also flat; or the bottom surface of the groove (12) is a curved surface, the heating part (41) is in a curved surface corresponding to the bottom surface of the groove (12), and the liquid-conducting part (41) is in a curved surface. (3) The side surface in contact with the heat generating part (41) also has a curved surface shape corresponding to the heat generating part (41).
The electronic atomization assembly according to claim 10, characterized in that the heating part (41) includes a plurality of side-by-side first heating circuits (411) and a plurality of second heating circuits (412), and each section of the second heating circuit The heating circuit (412) is connected between two sections of the first heating circuit (411). There are multiple fixing parts (43) and they are provided at both ends of each section of the first heating circuit (411). .
The electronic atomization assembly according to claim 10, characterized in that the fixing part (43) is bent relative to the heating part (41).
The electronic atomization assembly according to claim 10, characterized in that each fixed part (43) includes a first part (431) protruding outward from the heating part (41) and a One part (431) protrudes from the second part (432).
The electronic atomization assembly according to any one of claims 1 to 13, characterized in that a straight and deep electrical connector hole (14) is provided on the outside of the base body (1), and the heating element (4) The electrode part (42) is located in the hole, and the electrical connector (5) is inserted into the electrical connector hole (14) to contact the electrode part (42).
The electronic atomization assembly according to claim 14, characterized in that the electrical connector hole (14) penetrates deep into the lower side of the groove (12) and the groove (12) is open, and the electrode part ( 42) Bend relative to the heating part (41) and extend into the electrical connector hole (14).
A method for manufacturing an electronic atomization component according to any one of claims 1 to 15, characterized in that it includes:

Step A: Provide a cover (2), the soft conductive liquid (3) used to store liquid and conduct the liquid to the heating element (4), and the heating element (4) used to heat the atomized liquid. and an electrical connector (5) for connecting to an external circuit. The heating element (4) is a conductive metal piece and includes a fixed part (43), and a heating element connected to the fixed part (43) that generates heat when energized. part (41) and an electrode part (42) connected to the heating part (41);

Step B: Place the heating element (4) in the injection mold, and the base body (1) is consolidated with the heating element (4) through in-mold injection molding. The base body (1) is provided with a Describe the groove (12) matched with the conductive liquid (3), the heating element (4) is located at the bottom of the groove (12), the heating part (41) is exposed in the groove (12), and the base body (1) is provided with a ventilation channel (13) for bringing the aerosol generated by heating the atomized liquid by the heating element (4) to the outside of the electronic atomization assembly;

Step C: Install the electrical connector (5) on the base (1) and electrically connect the electrode portion (42);

Step D: Place the conductive liquid (3) in the groove (12) and contact the heating part (41);

Step E: Cover the cover (2) on the groove (12) and connect the base (1), press the liquid conductor (3) to form the electronic atomization assembly, wherein The base (1) or the cover (2) is provided with a liquid inlet (22) leading from the outside to the liquid conduction (3) for allowing external liquid to contact the liquid conduction (3).
The manufacturing method according to claim 16, characterized in that the manufacturing method is used to manufacture at least two of the electronic atomization components;

In step B: the depth direction of the groove (12) is along the first direction (71), the groove (12) is open on both sides in the second direction (72) and each of the base bodies (1) Alignment of the open position;

In the step D: simultaneously dispose one of the liquid-conducting liquids (3) in the grooves (12) of each of the base bodies (1) along the second direction (72);

The manufacturing method includes step F: cutting the liquid conductor (3) at a position between the two base bodies (1) to form at least two electronic atomization components.
The manufacturing method according to claim 16, characterized in that the liquid-conducting liquid (3) is a single-layer structure or at least two-layer structures superimposed along the depth direction of the groove (12);

In the step E: the cover (2) is superimposed on the liquid-conducting liquid (3) along the depth direction of the groove (12).
The manufacturing method according to any one of claims 16 to 18, characterized in that, in the step B, a straight and deep electrical connector hole (14) is provided on the outside of the base body (1), and the heating The electrode part (42) of the body (4) is located in the hole; the electrical connector (5) is inserted into the electrical connector hole (14) to contact the electrode part (42).
The manufacturing method according to any one of claims 16-18, characterized in that the manufacturing method is used to manufacture at least two of the electronic atomization components;

In the step A: process the metal material (8) into at least two heating elements (4);

In the step A: process the metal material (8) into at least two heating bodies (4) and a connecting portion (6) that simultaneously connects each heating body (4). Each heating body (4) Connected together through the connecting part (6), each heating element (4) includes the fixing part (43), the heating part (41) and the electrode part (42);

In the step B: at least two base bodies (1) that are bonded together with each of the heating elements (4) are formed by in-mold injection molding, and the connecting portion (6) is between the base bodies (1). In addition, each of the base bodies (1) is connected together through the connecting portion (6);

In the step E: cover at least two of the cover bodies (2) on the grooves (12) of each of the base bodies (1);

The manufacturing method includes step F: cutting off the connection between the heating element (4) and the connecting part (6), and separating the electronic atomization component from the connecting part (6).