CN-114916711-B - Electronic atomization assembly convenient to assemble and not prone to leakage and manufacturing method thereof

Abstract

The invention provides an electronic atomization assembly which is convenient to assemble and is not easy to leak, and the electronic atomization assembly comprises a base body, a cover body, a heating body, a liquid guide body and an electric connection piece, wherein a groove matched with the liquid guide body is formed in the base body, the base body is an injection molding piece, the base body is fixedly connected with the heating body through in-mold injection molding, the heating body is arranged at the bottom of the groove, a fixing part is fixedly connected in the base body, the heating part is exposed in the groove, the liquid guide body is soft and is arranged in the groove, contacts with the heating part, and the cover body covers the groove and is connected with the base body to press the liquid guide body. The invention also provides a manufacturing method of the electronic atomization assembly which is convenient to assemble and is not easy to leak. In the invention, the electronic atomization component adopts soft liquid guide, has good liquid passing property, good liquid locking capability and difficult liquid leakage, and the matrix and the heating body are fixedly connected together through in-mold injection molding, so that the heating body has strength and is difficult to deform, the soft liquid guide is arranged in a groove of the matrix and fixed through the cover body, and the electronic atomization component has stable structure and is convenient for large-scale automatic production and manufacture.

Inventors

• CHEN PING

Assignees

• 深圳市华诚达精密工业有限公司

Dates

Publication Date

20260508

Application Date

20220516

Claims (18)

1. 1. An electronic atomization assembly convenient for assembling and not easy to leak liquid is characterized by comprising a base body (1), a cover body (2), a heating body (4) for heating and atomizing liquid, a liquid guide body (3) for storing liquid and conducting the liquid to the heating body (4) and an electric connection piece (5) for being connected with an external circuit, wherein the base body (1) is provided with a groove (12) matched with the liquid guide body (3), the heating body (4) is a conductive metal piece and comprises a fixing part (43), a heating part (41) connected with the fixing part (43) and heating when being electrified, and an electrode part (42) connected with the heating part (41), the base body (1) is an injection molding piece, the base body (1) is fixedly connected with the heating body (4) through in-mold injection molding, the heating body (4) is arranged at the bottom of the groove (12), the fixing part (43) is fixed in the base body (1), the heating part (41) is exposed out of the groove (12), the liquid guide body (3) is arranged in the groove (12) and is pressed in the direction of the groove (12) along the first groove (12), the groove (12) is opened at two sides in a second direction (72), the cover body (2) is arranged at one side of the base body (1) in the first direction (71), two sides of the liquid guide body (3) in the second direction (72) are positioned in the two open sides of the groove (12) and extend out of the base body (1) along the second direction (72), the first direction (71) is perpendicular to the second direction (72), an electric connection piece hole (14) which is directly deep is arranged at the outer side of the base body (1), the electric connection piece hole (14) is deep to the lower side of the groove (12) and is open to the groove (12), the electrode part (42) of the heating body (4) stretches into the electric connection piece hole (14) from the open position of the electric connection piece hole (14), and the electric connection piece (5) is inserted into the electric connection piece hole (14) to contact the electrode part (42); The novel electronic atomization device is characterized in that the base body (1) or the cover body (2) is provided with a liquid inlet (22) which is communicated with the liquid guide body (3) from the outer side and used for enabling external liquid to contact the liquid guide body (3), the electric connection piece (5) is arranged on the base body (1) and electrically connected with the electrode part (42), the base body (1) is provided with an air passage (13) which is communicated with the outer side and passes through the heating part (41), and the air flow of the air passage (13) brings the aerosol generated by heating the atomized liquid by the heating body (4) out of the electronic atomization assembly.
2. 2. An electronic atomizing assembly according to claim 1, characterized in that the liquid guiding body (3) is of a single-layer structure, or that the liquid guiding body (3) is of at least two-layer structure superimposed in the depth direction of the groove (12).
3. 3. An electronic atomizing assembly according to claim 2, characterized in that the cover (2) is superimposed on the liquid guiding body (3) in the depth direction of the groove (12).
4. 4. An electronic atomizing assembly according to claim 1, characterized in that the cover (2) is fixed to the base body (1) by ultrasonic welding.
5. 5. The electronic atomization assembly according to claim 4, wherein a first positioning part (11) is arranged on the base body (1), and a second positioning part (21) matched with the first positioning part (11) is arranged on the cover body (2) to realize the positioning of the cover body (2); The cover body (2) is made of plastic, a plurality of protruding ultrasonic welding parts (23) for ultrasonic welding are arranged at the contact part of the cover body (2) and the base body (1), or the cover body (2) is made of metal, the first positioning parts (11) are protruding, the second positioning parts (21) are hole-shaped, and the first positioning parts (11) penetrate through the second positioning parts (21) and then melt and deform through ultrasonic welding to clamp the second positioning parts (21) so as to fix the cover body (2).
6. 6. An electronic atomizing assembly according to claim 1, characterized in that the liquid inlet opening (22) is provided in the cover (2).
7. 7. An electronic atomizing assembly according to claim 1, characterized in that the air duct (13) is provided below the tank (12) and opens at the bottom of the tank (12), the fixing portion (43) of the heating element (4) is provided at the periphery of the heating portion (41) and is fixedly connected with the base body (1) at the periphery of the opening of the air duct (13) at the bottom of the tank (12), the heating portion (41) is located in the opening of the air duct (13) at the bottom of the tank (12), and the liquid guiding body (3) is located above the heating portion (41) so that the heating portion (41) is exposed in the tank (12) and is in contact with the liquid guiding body (3).
8. 8. The electronic atomization assembly according to claim 7, wherein a gap (44) is provided in the heat generating part (41), and aerosol generated by heating and atomization of the heat generating part (41) enters the air duct (13) through the gap (44) and further enters the air duct (13).
9. 9. The electronic atomizing assembly according to claim 1, wherein the heat generating portion (41) is flat and is disposed parallel to the bottom surface of the tank (12), the side surface of the liquid guide body (3) contacting the heat generating portion (41) is also flat, or the bottom surface of the tank (12) is curved, the heat generating portion (41) is curved corresponding to the bottom surface of the tank (12), and the side surface of the liquid guide body (3) contacting the heat generating portion (41) is also curved corresponding to the heat generating portion (41).
10. 10. The electronic atomizing assembly according to claim 9, wherein the heat generating portion (41) comprises a plurality of first heat generating lines (411) and a plurality of second heat generating lines (412) arranged side by side, each of the second heat generating lines (412) is connected between two of the first heat generating lines (411), and the number of the fixing portions (43) is plural and is disposed at both ends of each of the first heat generating lines (411).
11. 11. An electronic atomizing assembly according to claim 9, characterized in that the fixing portion (43) is bent with respect to the heat generating portion (41).
12. 12. The electronic atomizing assembly according to claim 9, wherein each of the fixing portions (43) includes a first portion (431) protruding outward from the heat generating portion (41) and a second portion (432) protruding with respect to the first portion (431).
13. 13. The electronic atomizing assembly according to any one of claims 1 to 12, wherein the number of the electrode portions (42) is two, the two electrode portions (42) are respectively arranged at two sides of the heating portion (41) and are bent towards the same side, the number of the electric connecting piece holes (14) and the number of the electric connecting pieces (5) are two, the two electrode portions (42) are respectively arranged at two sides of the air duct (13), the two electrode portions (42) are respectively arranged in the two electric connecting piece holes (14), the two electric connecting pieces (5) are respectively correspondingly inserted into the two electric connecting pieces (5) and are contacted with the two electrode portions (42), a part of the electric connecting pieces (5) are exposed out of the base body (1), and the two electric connecting piece holes (14) are arranged at the same side of the base body (1).
14. 14. The electronic atomizing assembly according to claim 13, wherein the electrode portion (42) is bent with respect to the heat generating portion (41) and extends into the electrical connector hole (14).
15. 15. A method of manufacturing an electrospray assembly according to any one of claims 1 to 14, wherein said method of manufacturing is used to manufacture at least two of said electrospray assemblies, said method of manufacturing an electrospray assembly comprising: Providing a cover body (2), a soft liquid guide body (3) for storing liquid and conducting the liquid to the heating body (4), the heating body (4) for heating atomized liquid and an electric connection piece (5) for connecting with an external circuit, wherein the heating body (4) is a conductive metal piece and comprises a fixing part (43), a heating part (41) connected with the fixing part (43) and heating when being electrified, and an electrode part (42) connected with the heating part (41); Placing a heating body (4) in an injection mold, wherein the base body (1) is fixedly connected with the heating body (4) through in-mold injection molding, a groove (12) matched with the liquid guide (3) is formed in the base body (1), the heating body (4) is arranged at the bottom of the groove (12), the heating part (41) is exposed out of the groove (12), an electric connection piece hole (14) which is directly penetrated into the outer side of the base body (1) is formed, the electric connection piece hole (14) penetrates into the lower side of the groove (12) and is open to the groove (12), the electrode part (42) of the heating body (4) stretches into the electric connection piece hole (14) from the opening of the electric connection piece hole (14), and an air passage (13) for bringing air mist generated by heating the heating and atomizing the liquid heating body (4) to the outside of the electronic atomization assembly is formed on the base body (1); Step C, the electric connecting piece (5) is arranged on the base body (1) and is electrically connected with the electrode part (42); A step D of placing a liquid guide body (3) in the groove (12) and contacting the heat generating portion (41) so that the liquid guide body (3) extends in the second direction (72) and is located in the groove (12) of each of the substrates (1), wherein in the step D, one liquid guide body (3) is simultaneously provided in the groove (12) of each of the substrates (1) in the second direction (72); E, covering the cover body (2) on the groove (12) and connecting the cover body (2) with the base body (1) to press the liquid guide body (3) to form the electronic atomization assembly, wherein the base body (1) or the cover body (2) is provided with a liquid inlet (22) which is communicated with the liquid guide body (3) from the outside and is used for enabling external liquid to contact the liquid guide body (3); And F, cutting the liquid guide body (3) at a position between the two substrates (1) to form at least two electronic atomization assemblies.
16. 16. The manufacturing method according to claim 15, characterized in that the liquid guiding body (3) is of a single-layer structure or of at least two-layer structure superimposed in the depth direction of the groove (12); In step E, the cover body (2) is overlapped on the liquid guide body (3) along the depth direction of the groove (12).
17. 17. The method of any one of claims 15-16, wherein in step B, the electrode portion (42) is bent with respect to the heat generating portion (41) to extend into the electrical connector hole (14).
18. 18. The method of manufacturing according to any one of claims 15-16, wherein the method of manufacturing is used to manufacture at least two of the electrospray assemblies; In the step A, a metal material (8) is processed into at least two heating bodies (4); In the step A, the metal material (8) is processed into at least two heating bodies (4) and a connecting part (6) for simultaneously connecting the heating bodies (4), the heating bodies (4) are connected together through the connecting part (6), and each heating body (4) comprises the fixing part (43), the heating part (41) and the electrode part (42); in the step B, at least two matrixes (1) which are respectively fixedly connected with the heating bodies (4) are molded in a mold, the connecting parts (6) are arranged outside the matrixes (1), and the matrixes (1) are connected together through the connecting parts (6); In step E, at least two covers (2) are respectively covered on the grooves (12) of the base bodies (1); The manufacturing method comprises the step F of cutting off the connection between the heating element (4) and the connecting part (6) and separating the electronic atomization assembly from the connecting part (6).

Description

Electronic atomization assembly convenient to assemble and not prone to leakage and manufacturing method thereof Technical Field The invention relates to the technical field of electronic atomization, in particular to an electronic atomization assembly which is convenient to assemble and is not easy to leak liquid and a manufacturing method thereof. Background The electronic atomization technology is a technology for generating atomization steam by evaporating an electric heating liquid to a boiling point, is currently applied to the field of electronic cigarettes, and is also used in other fields such as cosmetology, medical treatment and the like along with the innovative development of the atomization technology. The core in atomizing technical field lies in electron atomizing subassembly, it mainly comprises heat-generating body and liquid-guiding two parts, according to the material classification of liquid-guiding, it is mainly divided into porous ceramics class's stereoplasm liquid-guiding material and with the soft liquid-guiding material of liquid-guiding cotton class, wherein stereoplasm liquid-guiding material is electron atomizing subassembly, its heat-generating body and liquid-guiding material combine well, porous material provides the support for the heat-generating body again, it uses the equipment convenience, but its porous structure shape size is fixed, through playing the barrier effect to a lot of macromolecules in the tobacco juice, it is difficult to reach liquid supply and lock liquid balance moreover, leak the liquid problem easily appears. The soft liquid-guiding material of soft liquid-guiding cotton has good liquid passing property, good liquid locking capability and difficult liquid leakage, and only because the heating element has poor structural strength and is easy to deform, and is matched with the soft liquid-guiding material, the assembly is difficult, and large-scale production needs a large amount of manpower, so that the structure and the production process which are not easy to leak liquid, stable in structure and not easy to deform and convenient for mass production can be applied on a large scale. Disclosure of Invention The present invention is directed to an electronic atomization assembly and a method for manufacturing the same, which are convenient to assemble and not easy to leak. The invention provides an electronic atomization component which is convenient to assemble and is not easy to leak liquid, and comprises a base body, a cover body, a heating body, a liquid guiding body and an electric connecting piece, wherein the heating body is used for heating atomized liquid, the liquid guiding body is used for storing liquid and conducting the liquid to the heating body, the electric connecting piece is used for being connected with an external circuit, the base body is provided with a groove matched with the liquid guiding body, the heating body is a conductive metal piece and comprises a fixing part, a heating part connected with the fixing part and heating when being electrified, and an electrode part connected with the heating part, the base body is an injection molding piece, the base body is fixedly connected with the heating body through in-mold injection molding, the heating body is arranged 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 guiding body is soft and is arranged in the groove, contacts the heating part, and the cover body is covered on the groove and is connected with the base body, and presses the liquid guiding body; the base body or the cover body is provided with a liquid inlet hole which is communicated with the liquid guide body from the outer side and is used for enabling external liquid to contact the liquid guide body, the electric connection piece is arranged on the base body and is electrically connected with the electrode part, the base body is provided with an air passage which is communicated with the outside and passes through the heating part 41, and air flow of the air passage brings aerosol generated by heating and atomizing the liquid by the heating body out of the electronic atomization assembly. Preferably, the depth direction of the groove is along a first direction, two sides of the groove in a second direction are open, the cover body is arranged on one side of the base body in the first direction, two sides of the liquid guiding body in the second direction are positioned in the open two sides of the groove, and the first direction is perpendicular to the second direction. Preferably, the liquid guiding body has a single-layer structure, or the liquid guiding body has at least two layers stacked along the depth direction of the groove. Preferably, the cover is superimposed on the liquid guide body in the depth direction of the groove. Preferably, the cover is fixed to the base by ultrasonic welding. Preferably, a first positioning part is arr