CN214179138U

CN214179138U - Atomizing core of electronic cigarette

Info

Publication number: CN214179138U
Application number: CN202022537839.2U
Authority: CN
Inventors: 陈平
Original assignee: Shenzhen Huachengda Precision Industry Co Ltd
Current assignee: Shenzhen Huachengda Precision Industry Co Ltd
Priority date: 2020-11-05
Filing date: 2020-11-05
Publication date: 2021-09-14
Anticipated expiration: 2030-11-05

Abstract

The utility model discloses an atomizing core of an electronic cigarette, which comprises a first atomizing seat and a second atomizing seat which are matched up and down, a heating component which is transversely arranged between the first atomizing seat and the second atomizing seat, and two conductive thimbles which are distributed at intervals and vertically arranged in the second atomizing seat; the heating component comprises a liquid guide piece, a heating wire and conductive leads respectively connected to two opposite ends of the heating wire; the heating wire is spirally wound on the liquid guide part to form a heating part; the two conducting leads are respectively spirally wound on the liquid guide part to form two electrode parts positioned at two opposite ends of the heating part; the two conductive thimbles are respectively supported below the two electrode parts and are in electric contact connection. The atomizing core, the heating component and the conductive thimble of the utility model replace the traditional pin-through mode in a contact electrical connection mode, the assembly is convenient and fast, the assembly efficiency is improved, the damage caused by extruding the liquid guide piece is avoided, and the service life of the electronic cigarette is prolonged; has mass productivity and replaceability.

Description

Atomizing core of electronic cigarette

Technical Field

The utility model relates to an electron cigarette technical field especially relates to an atomizing core of electron cigarette.

Background

In the atomizing core of current electron cigarette, the heater twines the atomizing core that forms the electron cigarette on the liquid guide cotton with the spiral mode. The heating wire is required to have uniform screw pitch and consistent outer diameter on the liquid guide cotton, and no strangulation can occur on the liquid guide cotton. Two ends of the heating wire extend to the direction far away from the liquid guide cotton to form two pins.

When the existing atomizing core is assembled, two pins of the heating wire need to be centered with the through holes on the base and penetrate through the through holes to connect an electrode externally, and the liquid guide cotton is easily extruded to deform in the centering and penetrating processes, so that the product yield is reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in, a convenient atomizing core of electron cigarette of equipment is provided.

The utility model provides a technical scheme that its technical problem adopted is: the atomizing core of the electronic cigarette comprises a first atomizing base and a second atomizing base which are matched up and down, a heating component transversely arranged between the first atomizing base and the second atomizing base, and two conductive thimbles which are distributed at intervals and vertically arranged in the second atomizing base;

the heating component comprises a liquid guide piece, a heating wire and conductive leads respectively connected to two opposite ends of the heating wire; the heating wire is spirally wound on the liquid guide part to form a heating part; the two conductive leads are respectively spirally wound on the liquid guide part to form two electrode parts positioned at two opposite ends of the heating part; the two conductive thimbles are respectively supported below the two electrode parts and are in electric contact connection.

Preferably, a pitch of the heat generating portion is greater than a pitch of the electrode portion.

Preferably, the pitch of the heating part is 0.2mm-1.5mm, and the spiral angle is 10-70 degrees;

the pitch of the electrode part is 0-1mm, and the spiral angle is 0-5 degrees.

Preferably, the top surface of the conductive thimble contacting the electrode part is a plane or an arc surface corresponding to the periphery of the electrode part.

Preferably, a positioning groove is formed in the top surface of the conductive thimble facing the electrode part, and the end of the liquid guide piece, which is wound around the electrode part, is fitted in the positioning groove.

Preferably, the positioning groove is a V-shaped groove, a U-shaped groove, a square groove or an inverted T-shaped groove.

Preferably, the atomizing core further comprises a seal seat fitted within the second atomizing seat; the sealing seat is provided with two supporting parts opposite at intervals and two through holes opposite at intervals; the two through holes are positioned between the two supporting parts;

two opposite ends of the liquid guide piece are respectively abutted to the two supporting parts, and the two conductive thimbles respectively penetrate through the corresponding through holes and are abutted to the lower part of the electrode part.

Preferably, a first air guide hole penetrating through the top surface and two first liquid guide holes positioned at two opposite sides of the first air guide hole are formed in the top surface, far away from the second atomizing seat, of the first atomizing seat; the first air guide holes are communicated with the heating part, and the two first liquid guide holes are respectively communicated with the two opposite end parts of the liquid guide part;

and the second atomizing base is provided with an air inlet communicated with the heating part.

Preferably, the atomizing core further comprises a mating hollow housing comprising opposed first and second ends;

the first atomizing seat and the second atomizing seat are sequentially arranged in the second end of the shell;

an air guide channel and a liquid storage cavity which are isolated from each other are arranged in the first end of the shell; the air guide channel is connected and communicated with the first air guide hole, and the liquid storage cavity surrounds the periphery of the air guide channel and is connected and communicated with the first liquid guide hole.

Preferably, the atomizing core further comprises a sealing rubber plug which is sleeved on the first atomizing base in a matching manner, and the side wall of the sealing rubber plug is in sealing fit with the inner wall surface of the shell;

the sealing rubber plug is provided with a second air vent and two second liquid guide holes positioned at two opposite sides of the second air vent; the second air guide hole is communicated with the air guide channel and the first air guide hole, and the second liquid guide hole is communicated with the liquid storage cavity and the first liquid guide hole.

The utility model discloses an atomizing core, the portion of generating heat and the electrode portion of heating element all adopt the silk thread to wind and form on leading the liquid spare, replace traditional pin-through mode with electrically conductive thimble in contact electrical connection mode, assemble convenient and fast, improve the packaging efficiency and avoid degree extrusion leading the liquid spare to cause the damage, improve the life of electron cigarette; has mass productivity and replaceability.

Drawings

The invention will be further explained with reference to the drawings and examples, wherein:

fig. 1 is a schematic cross-sectional view of an atomizing core according to an embodiment of the present invention;

fig. 2 is an exploded view of an atomizing core according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a first embodiment of the heating element of FIG. 2;

FIG. 4 is a schematic structural diagram of a second embodiment of the heating element of FIG. 2;

FIG. 5 is a schematic structural view of a third embodiment of the heater module of FIG. 2;

FIG. 6 is a schematic structural view of a fourth embodiment of the heat generating component of FIG. 2;

FIG. 7 is a schematic structural diagram of a first exemplary embodiment of the conductive thimble of FIG. 2;

FIG. 8 is a schematic structural view of a second exemplary embodiment of the conductive thimble of FIG. 2;

FIG. 9 is a schematic structural view of a third embodiment of the conductive thimble of FIG. 2;

FIG. 10 is a schematic diagram illustrating a fourth exemplary embodiment of the conductive thimble of FIG. 2;

FIG. 11 is a schematic structural view of a fifth exemplary embodiment of the conductive thimble of FIG. 2;

fig. 12 is a schematic structural view of a sixth embodiment of the conductive thimble shown in fig. 2.

Detailed Description

In order to clearly understand the technical features, objects, and effects of the present invention, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, the atomizing core of the electronic cigarette according to an embodiment of the present invention may include a hollow housing 50, a first atomizing base 10, a second atomizing base 20, a heating element 30, and two conductive pins 40 disposed in the housing.

The housing 50 includes a first end and a second end opposite to each other, and the first atomizing base 10 and the second atomizing base 20 are fitted up and down and sequentially disposed in the second end of the housing 50. The first atomizing base 10 is located on the side of the second atomizing base 20 facing the first end of the housing 50, and the second atomizing base 20 is located inside the housing 50 near the second end thereof and can close the port of the second end. The heating component is transversely arranged between the first atomizing base 10 and the second atomizing base 20; the two conductive pins 40 are distributed at intervals and vertically arranged in the second atomizing base 20, and are electrically connected with the heating element 30.

The heating assembly 30 includes a liquid guiding member 31, a heating wire, and conductive leads respectively connected to two opposite ends of the heating wire. The heating wire is spirally wound on the liquid guiding member 31 to form a heating part 32, the two conductive leads are respectively spirally wound on the liquid guiding member 31 to form two electrode parts 33 positioned at two opposite ends of the heating part 32, so that the electrode parts 33 and the heating part 32 are in a spiral structure and are positioned on the liquid guiding member 31. The heating element 30 is electrically connected to the conductive needle 40 through the electrode portion 33.

The pitch of the heating portion 32 is larger than that of the electrode portion 33. The pitch of the heating part 32 is 0.2mm-1.5mm, and the spiral angle is 10-70 degrees. The pitch of the electrode portion 33 is 0-1mm, that is, the coils formed by winding are arranged closely or at a small interval, and the coils may be overlapped by one layer or two layers. The helix angle of the electrode portion 33 is 0 ° to 5 °.

Alternatively, in the first embodiment of the heat generating element 30, as shown in fig. 3, the heat generating wire forming the heat generating portion 32 is a round wire, and the conductive lead forming the electrode portion 33 is also a round wire. In the second embodiment of the heat generating element 30, as shown in fig. 4, the heat generating wire forming the heat generating portion 32 is a flat wire, and the conductive lead forming the electrode portion 33 is a round wire. In the third embodiment of the heat generating element 30, as shown in fig. 5, the heat generating wire forming the heat generating portion 32 is a flat wire, and the conductive lead forming the electrode portion 33 is also a flat wire. In the fourth embodiment of the heat generating component 30, as shown in fig. 6, the heating wire forming the heat generating portion 32 is a double wire, which may be a double round wire or a double flat wire; the conductive lead forming the electrode portion 33 is a single wire, and may be a round wire or a flat wire, or may be a double wire.

The free end of the conductive lead away from the heater (the end of the electrode portion 33 away from the heater 32) may be curved along the surface of the liquid guiding member 31 and attached to the surface of the liquid guiding member 31, or may extend outward, without affecting the contact electrical connection between the electrode portion 33 and the conductive needle 40.

The two conductive pins 40 are respectively supported below the two electrode portions 33 and electrically connected to the electrode portions 33 in a contacting manner, so as to achieve conduction. This kind of mode with electrically conductive thimble 40 and electrode portion 33 contact conduction, compare in the traditional connected mode that generates heat the piece and wear the pin, can avoid the extrusion to lead liquid piece 31 and make its problem of warping to protection that can be fine leads the liquid material and does not receive the damage, convenient equipment promotes assembly efficiency.

Alternatively, as shown in fig. 7, in the first embodiment of the conductive thimble 40, the top surface 41 thereof contacting the electrode portion 33 is a flat surface. As shown in fig. 8, in the second embodiment of the conductive thimble 40, the top surface 41 contacting with the electrode portion 33 is a cambered surface corresponding to the outer circumference of the electrode portion 33, so as to facilitate the contact with the electrode portion 33. Alternatively, as shown in fig. 2 and 9-12, the conductive thimble 40 is provided with a positioning groove 42 on the top surface facing the electrode portion 33, and the end of the liquid guide 31 wound around the electrode portion 33 is fitted in the positioning groove 42, so that the engagement contact is formed on the heating element, the contact area between the electrode portion 33 and the conductive thimble 40 is increased, and the stability of the heating element is also improved. The positioning groove 42 may be a V-shaped groove as shown in fig. 9, or a U-shaped groove as shown in fig. 10, or an inverted T-shaped groove as shown in fig. 11, or a square groove as shown in fig. 12. In addition, the conductive thimble 40 may have a cylindrical shape, a polygonal cylindrical shape, or the like.

As shown in fig. 1 and 2, the housing 50 may be made of a hard material such as plastic, and may have a circular or flat cylindrical structure as a whole. The first atomizing base 10 and the second atomizing base 20 can be made of hard material such as plastic, and the base body has a certain structural strength to support the heating element 30 and the conductive thimble 40, and maintain the structural strength of the whole atomizing core. The first atomizing base 10 and the second atomizing base 20 are combined together in an up-down matching manner, and can be matched and relatively fixed by means of back-off clamping and the like.

An air guide channel 510 and a liquid storage cavity 520 which are isolated from each other are arranged in the first end of the shell 50, and the liquid storage cavity 520 surrounds the periphery of the air guide channel 510; the gas channel 510 is used for gas circulation and smoke output, and the liquid storage cavity 520 is used for storing smoke liquid. The first atomization seat 10 is located in the housing 50 near the first end thereof, and closes the open end of the chamber in which the reservoir 520 is located. Be equipped with gas outlet 51 intercommunication air guide 510 on the first end terminal surface of shell 50, still be equipped with the notes liquid mouth 52 of intercommunication stock solution chamber 520, conveniently inject cigarette liquid into stock solution chamber 520, will annotate liquid mouth 52 closure through the lid when not needing to annotate the liquid.

The top surface of the first atomizing base 10 away from the second atomizing base 20 (i.e. the top surface facing the liquid storage chamber 520) is provided with a first air hole 11 penetrating through the top surface and two first liquid guide holes 12 located at two opposite sides of the first air hole 11. The first air guide hole 11 corresponds to the upper side of the heat generating portion 32 of the heat generating component 30 and communicates the heat generating portion 32 and the air guide passage 510. The two first liquid guiding holes 12 are respectively corresponding to the upper parts of the two opposite end parts of the liquid guiding member 31 and are respectively communicated with the end part of the liquid guiding member 31 and the liquid storage cavity 520, so that the smoke liquid in the liquid storage cavity 520 reaches the liquid guiding member 31 through the first liquid guiding holes 12, is adsorbed by the liquid guiding member 31 and is heated on the heating part 32 to form the smoke liquid.

The second atomizing base 20 is provided with an air inlet 21, which is correspondingly arranged below the heat generating portion 32 and is communicated with the heat generating portion 32, so that the air inlet 21, the first air guide hole 11 and the air guide channel 510 are sequentially communicated to form an atomizing channel, and the heat generating portion 32 is located in an atomizing channel section between the air inlet 21 and the first air guide hole 11. Two conductive needles 40 are located on two sides of the air inlet hole 21 in the second atomizing base 20.

Further, the atomizing core of the present invention further includes a seal seat 60 fitted in the second atomizing seat 20. The sealing seat 60 is made of softer materials than the first atomizing seat 10 and the second atomizing seat 20, such as plastic materials like silica gel, and has compressibility, thereby playing a role in sealing. The seal seat 60 isolates the atomizing channel section between the air inlet 21 and the first air guide hole 11 from the first liquid guide hole 12 in the second atomizing base 20, so as to avoid liquid leakage.

The seal holder 60 is provided with two support portions 61 opposed to each other at an interval and two through holes 62 opposed to each other at an interval. Opposite ends (end portions outside the electrode portion 33) of the liquid guiding member 31 respectively abut against the two supporting portions 61, and the supporting slots on the supporting portions 61 are deep enough to ensure that the electrode portion 33 can fully contact the conductive thimble 40 after the liquid guiding member 31 is supported. The two through holes are located between the two supporting portions 61 and arranged corresponding to the two conductive pins 40, so that the two conductive pins 40 can respectively penetrate through the corresponding through holes 62 and abut against the lower portions of the corresponding electrode portions 33 to form contact conduction.

In order to avoid the tobacco juice to spill from the gap between the internal face of first atomizing seat 10 and shell 50, the utility model discloses an atomizing core still includes sealed plug 70, and its cooperation cover is established on first atomizing seat 10, and the sealed laminating of the lateral wall of sealed plug 70 and shell 50's internal face is sealed with the gap between the internal face of first atomizing seat 10 and shell 50. The sealing rubber plug 70 is made of a softer compressible material, such as a plastic material like silicone rubber.

The sealing rubber plug 70 is provided with a second air vent 71 and two second liquid guide holes 72 located at two opposite sides of the second air vent 71. The second air guide hole 71 is communicated with the air guide channel 510 and the first air guide hole 11, and the second liquid guide hole 72 is communicated with the liquid storage cavity 520 and the first liquid guide hole 12.

The second atomizing base 20 may be further provided with a seal ring 80 for sealing a gap between the second atomizing base and the inner wall surface of the housing 50.

When the atomizing core of the utility model is assembled, the conductive thimble 40 can be fixed in the second atomizing base 20, and then the heating component 30 is assembled between the first atomizing base 10 and the sealing base 60, and between the second atomizing base 20 and abutted against the conductive thimble 40, so as to form an integral module; and finally the module is installed into the housing 50.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The atomizing core of the electronic cigarette is characterized by comprising a first atomizing base (10) and a second atomizing base (20) which are matched up and down, a heating assembly (30) which is transversely arranged between the first atomizing base (10) and the second atomizing base (20), and two conductive thimbles (40) which are distributed at intervals and vertically arranged in the second atomizing base (20);

the heating component (30) comprises a liquid guide piece (31), a heating wire and conductive leads respectively connected to two opposite ends of the heating wire; the heating wire is spirally wound on the liquid guide member (31) to form a heating part (32); the two conductive leads are respectively spirally wound on the liquid guide member (31) to form two electrode parts (33) positioned at two opposite ends of the heating part (32); the two conductive thimbles (40) are respectively supported below the two electrode parts (33) and are in electric contact connection.

2. The atomizing core according to claim 1, characterized in that the pitch of the heat-generating portion (32) is greater than the pitch of the electrode portion (33).

3. Atomizing core according to claim 2, characterized in that the pitch of the heat-generating portion (32) is 0.2mm-1.5mm, the helix angle is 10 ° -70 °;

the pitch of the electrode part (33) is 0-1mm, and the spiral angle is 0-5 degrees.

4. The atomizing core according to claim 1, characterized in that the top surface (41) of the conductive thimble (40) contacting the electrode portion (33) is a plane or an arc surface disposed corresponding to the periphery of the electrode portion (33).

5. The atomizing core according to claim 1, characterized in that the top surface of the conductive thimble (40) facing the electrode portion (33) is provided with a positioning groove (42), and the end of the liquid guide member (31) wound with the electrode portion (33) is fitted in the positioning groove (42).

6. The atomizing core according to claim 5, characterized in that the positioning groove (42) is a V-shaped groove, a U-shaped groove, a square groove or an inverted T-shaped groove.

7. The atomizing core according to claim 1, characterized in that it further comprises a sealing seat (60) fitted inside the second atomizing seat (20); the sealing seat (60) is provided with two supporting parts (61) opposite at intervals and two through holes (62) opposite at intervals; the two through holes (62) are positioned between the two supporting parts (61);

two opposite ends of the liquid guide piece (31) are respectively abutted against the two supporting parts (61), and the two conductive thimbles (40) respectively penetrate through the corresponding through holes (62) and are abutted against the lower part of the electrode part (33).

8. The atomizing core according to any one of claims 1 to 7, characterized in that a top surface of the first atomizing base (10) remote from the second atomizing base (20) is provided with a first air vent (11) penetrating the top surface and two first liquid vents (12) located at opposite sides of the first air vent (11); the first air guide holes (11) are communicated with the heating part (32), and the two first liquid guide holes (12) are respectively communicated with two opposite end parts of the liquid guide member (31);

the second atomizing base (20) is provided with an air inlet (21) communicated with the heating part (32).

9. The atomizing core of claim 8, further comprising a mating hollow housing (50), the housing (50) including opposed first and second ends;

the first atomizing base (10) and the second atomizing base (20) are sequentially arranged in the second end of the shell (50);

an air guide channel (510) and a liquid storage cavity (520) which are isolated from each other are arranged in the first end of the shell (50); the air guide channel (510) is connected and communicated with the first air guide hole (11), and the liquid storage cavity (520) surrounds the periphery of the air guide channel (510) and is connected and communicated with the first liquid guide hole (12).

10. The atomizing core according to claim 9, characterized in that the atomizing core further comprises a sealing rubber plug (70) which is fittingly sleeved on the first atomizing base (10) and has a side wall which is in sealing fit with an inner wall surface of the housing (50);

the sealing rubber plug (70) is provided with a second air guide hole (71) and two second liquid guide holes (72) which are positioned at two opposite sides of the second air guide hole (71); the second air guide hole (71) is communicated with the air guide channel (510) and the first air guide hole (11), and the second liquid guide hole (72) is communicated with the liquid storage cavity (520) and the first liquid guide hole (12).