WO2023015926A1 - Atomizing core and atomizer relieving backflow pressure, and electronic cigarette - Google Patents

Abstract

An atomizing core (3) and an atomizer relieving backflow pressure, and an electronic cigarette. The atomizing core (3) comprises an atomizing core body. A gas passage for a gas flow to pass through is formed in the atomizing core body, a wall of the atomizing core body is provided with a gas hole (306), the gas hole (306) being in communication with the gas passage, and an outer wall of the atomizing core body is provided with a groove (305), the groove (305) being in communication with the gas hole (306). The groove (305) is configured as a slot through which only a gas can pass and/or the air hole (306) is configured as a hole through which only a gas can pass. In the atomizing core (3) and atomizer relieving backflow pressure, and the electronic cigarette, by means of designing a pressure relief passage, the air pressure balance in a liquid storage cavity (103) can be maintained by means of supplementing air thereto using the air hole (306) and the pressure relief passage, so that liquid is fed more rapidly, and burning-out of a heating element due to slow liquid intake and insufficient liquid supply is solved.

Description

Atomizers with atomizing cores and pressure relief and return flow, and electronic cigarettes technical field

The present disclosure relates to the technical field of electronic cigarettes, in particular to the technical field of atomizers for electronic cigarettes. Specifically, the present disclosure relates to an atomizing core, an atomizer for pressure relief and return flow, and an electronic cigarette including the atomization core or the atomizer for pressure relief and return flow.

Background technique

Electronic cigarettes are electronic products that imitate cigarettes, generally including atomizers and power components. The power supply components mainly include batteries and circuit boards, etc., which are used to provide working voltage to the atomizer. The atomizer is used to atomize the smoke liquid stored in the atomizer when the power is turned on, so as to generate smoke.

After the existing electronic cigarette is used for a period of time, the air pressure in the oil storage chamber will be lower than the air pressure in the air flow channel, resulting in a pressure imbalance between the two, affecting the oil out of the oil storage chamber, and then the heating element will appear Burned out due to slow oil intake and insufficient oil supply.

Contents of the invention

One aspect of the present disclosure provides an atomizing core, including an atomizing core body, an airflow channel for airflow is formed inside the atomizing core body, air holes are opened on the wall of the atomizing core body, and the air holes are connected with the atomizing core body. The gas flow channels communicate with each other, the outer wall of the atomizing core body is provided with grooves, and the grooves communicate with the air holes, and the grooves are set as tanks through which only gas can pass and/or the The pores are configured as pore bodies through which only gas can pass.

As an implementation manner, an oil inlet hole is opened on the wall of the atomizing core body, and the air hole is arranged upstream of the oil inlet hole along the air flow direction during suction.

As an implementation manner, the groove is arranged between the oil inlet hole and the air hole, and communicates with the oil inlet hole and the air hole.

As an implementation manner, the atomizing core further includes a heating core disposed in the main body of the atomizing core.

As an embodiment, the atomizing core further includes an atomizing core ligand, and the atomizing core ligand is arranged at an end of the atomizing core main body.

As an embodiment, an oil storage tank for collecting leakage oil is formed between the atomization core ligand and the inner wall of the end of the atomization core body, and the oil storage tank is along the airflow direction during suction It is arranged upstream of the heating core.

As an implementation manner, the air hole corresponds to the oil storage tank.

As an implementation manner, the distance between the end of the heating core adjacent to the ligand of the atomizing core and the oil storage tank is 0.1-0.8 mm.

As an implementation manner, the atomizing core ligand is provided with a first conductive part and a second conductive part, and the first conductive part and the second conductive part are arranged in isolation from each other and are electrically connected to the heating core.

As an embodiment, the atomizing core body includes a first atomizing core body and a second atomizing core body connected to each other, and the diameter of the first atomizing core body is reduced relative to the second atomizing core body Formed, wherein, the oil inlet hole, the air hole and the groove are arranged on the second atomizing core body.

As an implementation manner, the atomizing core includes a sealing tube, the sealing tube is sleeved on the outer periphery of the first atomizing core body, and the first atomizing core body can move relative to the sealing tube.

As an implementation manner, the depth of the groove is 0.01-0.3mm, and the width of the groove is less than or equal to 2mm.

As an implementation manner, the pores have a diameter of 0.01-0.8 mm.

Another aspect of the present disclosure also provides a pressure relief reflux atomizer, characterized in that the pressure relief reflux atomizer includes:

An oil storage bin, the inside of which defines an oil storage chamber for accommodating e-liquid;

an atomizing core, the atomizing core is arranged in the oil storage tank and is used for atomizing the e-liquid, and the atomizing core includes an atomizing core body; and

a sealing element, the sealing element is provided with a first channel, the atomizing core body is inserted in the first channel and can move between a first position and a second position relative to the sealing element;

The wall of the atomizing core body is provided with an oil inlet hole and an air hole, and an airflow channel for airflow is formed inside the atomizing core body, and the air hole is arranged in the oil inlet hole along the airflow direction during suction. Upstream of the air hole, the air hole communicates with the airflow channel, and the sealing member covers the air hole;

The inner wall of the sealing member and/or the outer wall of the atomizing core body are provided with a groove for communicating with the air hole;

The groove is configured as a trough through which only gas can pass and/or the air hole is configured as a hole through which only gas can pass; and

The main body of the atomizing core is at the first position relative to the sealing member, and the air hole leads to the oil storage chamber through the groove to form a pressure relief channel; the main body of the atomizing core is relatively to the When the sealing member is in the second position, the pressure relief channel from the air hole to the oil storage chamber through the groove is blocked.

As an implementation manner, the oil storage chamber is defined by the inner wall of the oil storage tank body, the outer wall of the atomizing core body and the sealing member.

As an implementation manner, the outer wall of the atomizing core body is provided with the groove, and the groove communicates with the air hole; the atomizing core body is at the first position relative to the sealing member, At least a part of the groove is exposed in the oil storage cavity; the main body of the atomizing core is at the second position relative to the sealing member, and the sealing member covers the air hole and the groove;

Alternatively, the outer wall of the atomizing core body is provided with the groove, the groove is arranged between the oil inlet hole and the air hole, and communicates with the oil inlet hole and the air hole; the mist The main body of the atomizing core is at the first position relative to the sealing member, at least a part of the oil inlet hole is exposed in the oil storage cavity; the main body of the atomizing core is at the second position relative to the sealing member, The seal covers the air hole, the groove and the oil inlet hole.

As an embodiment, the atomizing core further includes a heating core disposed in the atomizing core body and an atomizing core ligand disposed at one end of the atomizing core body.

As an implementation manner, the depth of the groove is 0.01-0.3mm, and the width of the groove is less than or equal to 2mm.

As an implementation manner, the pores have a diameter of 0.01-0.8 mm.

As an implementation, the oil storage bin body is provided with a smoking port and an air duct, the atomizing core body includes a first atomizing core body, and the first atomizing core body is inserted into the air duct , and a sealing tube is provided between the air guide tube and the first atomizing core main body.

As an embodiment, the atomizing core body further includes a second atomizing core body, the air hole and the oil inlet hole are both arranged on the second atomizing core body, and one end of the atomizing core ligand An oil storage tank for collecting leakage oil is formed between the end part and the inner wall of the second atomizing core body, and

At least in the first position, the air hole communicates with the oil reservoir.

As an implementation manner, the distance between the end of the heating core adjacent to the ligand of the atomizing core and the oil storage tank is 0.1-0.8 mm.

As an embodiment, the atomizer further includes an air guide, the air guide is adjacent to the sealing member, and the inside of the air guide has a hollow second channel, and the second channel corresponding to the first channel;

The outer wall of the air guide member is provided with at least one first air guide hole and a second air guide hole, and an upper and lower air guide space is formed between the outer wall of the air guide member and the inner wall of the oil storage bin body. The first air guide hole and the second air guide hole communicate with the air guide space and the heating cavity defined in the atomizing core.

As an implementation, oil-absorbing cotton for absorbing oil leakage is installed in the air guiding space.

As an implementation manner, the air guiding member is further provided with an oil injection hole for oil injection, and the oil injection hole communicates with the oil storage chamber.

As an implementation manner, the end of the atomizing core ligand away from the oil inlet hole is provided with a first conductive member and a second conductive member electrically connected to the heating core.

Another aspect of the present disclosure further provides an electronic cigarette, which includes the above-mentioned atomizing core or the above-mentioned pressure-relief return atomizer.

Implementing the atomizing core, the pressure relief return atomizer and the electronic cigarette of the present disclosure has the following beneficial effects: the atomization core, the pressure relief return atomizer and the electronic cigarette of the present disclosure, through the design of the pressure relief channel, utilize the air hole and the vent The pressure channel can maintain the air pressure balance for supplementing air in the oil storage chamber, so that the oil can enter more quickly, and solve the problem of burning out heating elements caused by slow oil intake and insufficient oil supply.

Description of drawings

The present disclosure will be described in detail below in conjunction with the accompanying drawings, so as to make the above advantages of the present disclosure clearer. in,

FIG. 1 is an exploded view of a pressure relief reflux atomizer of the present disclosure;

Fig. 2 is a three-dimensional schematic diagram of the pressure relief reflux atomizer of the present disclosure;

Fig. 3 is a schematic front sectional view of the pressure relief reflux atomizer of the present disclosure when in use;

Fig. 4 is a schematic side sectional view of the pressure relief reflux atomizer of the present disclosure when in use;

Fig. 5 is a schematic side sectional view of the pressure relief reflux atomizer of the present disclosure when not in use;

FIG. 6 is an air flow diagram of the pressure relief reflux atomizer of the present disclosure; and

Fig. 7 is a diagram of the gas flow direction of the pressure relief reflux atomizer of the present disclosure.

Detailed ways

The implementation of the present disclosure will be described in detail below in conjunction with the accompanying drawings and embodiments, so as to fully understand and implement the implementation process of how the present disclosure uses technical means to solve technical problems and achieve technical effects. It should be noted that, as long as there is no conflict, each embodiment and each feature in each embodiment in the present disclosure can be combined with each other, and the formed technical solutions are all within the protection scope of the present disclosure.

It should be noted that a large number of technical features are recorded in the description of the application, which are distributed in various technical solutions. If it is necessary to list all possible combinations of technical features (i.e. technical solutions) of the application, the description will be too lengthy . In order to avoid this problem, the various technical features disclosed in the content of the utility model above, the technical features disclosed in the following embodiments and examples, and the technical features disclosed in the accompanying drawings can be freely combined with each other, so that Constitute various new technical solutions (these technical solutions are all deemed to have been described in this specification), unless the combination of such technical features is technically infeasible. For example, feature A+B+C is disclosed in one example, and feature A+B+D+E is disclosed in another example, and features C and D are equivalent technical means that play the same role. It can be used as soon as it is used, and it is impossible to use it at the same time. Feature E can be combined with feature C technically, then the solution of A+B+C+D should not be considered as recorded because it is technically infeasible, and A+B+C The +E option should be considered documented.

Figures 1 to 7 show a pressure-relief return atomizer according to an embodiment of the present disclosure, the pressure-relief return atomizer includes: an oil storage chamber body 1; an atomizing core 3, the atomizing core 3 is arranged in the oil storage tank 1 and is used for atomizing e-liquid, the atomizing core 3 includes an atomizing core body, and an airflow channel is formed in the atomizing core body. Wherein, the air flow channel refers to the channel through which the air flow flows when the user smokes, especially the channel through which the smoke generated by the heated e-liquid flows. The atomizing core body includes a first atomizing core body 301 and a second atomizing core body 302 . The atomizing core 3 further includes a heating core 309 disposed in the second atomizing core body 302 and an atomizing core ligand 303 disposed at one end of the second atomizing core body 302 . The atomizer also includes a sealing member 5, the sealing member 5 is provided with a first channel 501, the second atomizing core body 302 is inserted in the first channel 501, and the inner wall of the oil storage tank body 1 , the outer wall of the first atomizing core body 301 , the outer wall of the second atomizing core body 302 and the seal 501 define an oil storage cavity 103 for containing e-liquid, and the second atomizing core body An oil inlet hole 304 and an air hole 306 are arranged on the outer wall of the body, and the oil inlet hole 304 corresponds to the heating core 309 . The air hole 306 communicates with the airflow channel. The oil inlet hole 304 communicates with the oil storage cavity 103 and is farther away from the atomizing core part 303 than the air hole 306; and the second atomizing core body 302 can be sealed relative to the The member 5 moves between a first position (as shown in FIGS. 4 , 6 and 7 ) and a second position (as shown in FIG. 5 ).

Wherein, the air hole 306 is arranged upstream of the oil inlet hole 304 along the airflow direction during suction. Referring to FIG. That is, in the direction from upstream to downstream, air hole 306 is located upstream of the airflow direction, and oil inlet hole 304 is located downstream of the airflow direction. It can be seen from FIG. 1 that air hole 306 is located below oil inlet hole 304.

It should be noted that the heating core 309 includes an oil-conducting component and a heating element, and the oil-conducting component is made of an oil-absorbing material that can resist high temperature, such as ceramics, oil-absorbing cotton, oil-absorbing fiber, oil-absorbing resin, and the like. The heating elements are made of conductive materials, including but not limited to conductive metals, graphene, carbon nanomaterials, and the like. Wherein, in some examples, the heating element can be arranged outside the oil-guiding component, such as a heating wire wound on the outer peripheral wall of the oil-guiding component, or a heating element (net shape, etc.) sheathed on the outer periphery of the oil-guiding component. In other examples, the heating element is wrapped in the oil-guiding component, for example, the heating wire is embedded in the inner wall surface of the ceramic tube, or the oil-absorbing cotton is wrapped with the oil-guiding wire, the oil-guiding net, the oil-guiding sheet, etc.

It should be noted that the division of the atomizing core body into the first atomizing core body 301 and the second atomizing core body 302 is only for convenience of description, and is not intended to limit the structure of the atomizing core body. For example, the first atomizing core body 301 and the second atomizing core body 302 can be two parts of a single component, or can be manufactured separately and then connected together by means such as bonding, welding, crimping, interference fit, etc. two parts. As shown in FIG. 3 , in an embodiment according to the present disclosure, since the first atomizing core body 301 does not contain functional elements (such as the above-mentioned heating core 309 ) like the second atomizing core body 302 and there is no The oil inlet hole 304 and the air hole 306 are provided, so the first atomizing core body 301 has a smaller size than the second atomizing core body 302, so as to reduce the size and weight of the atomizer as much as possible.

A groove 305 for communicating with the air hole 306 is provided on the inner wall of the sealing member 5 and/or the outer wall of the atomizing core body. It should be noted that the groove 305 is set as a groove body through which only gas can pass through and/or the air hole 306 is set as a hole body through which only gas can pass through, while the oil in the oil storage chamber 103 cannot pass through. In application, the size and shape of the groove 305 and/or the air hole 306 can be set such that only gas can pass through and the oil in the oil storage chamber 103 cannot pass through. Wherein, although in some examples, the size and shape of one of the groove 305 or the air hole 306 is set such that only gas can pass through and the oil in the oil storage cavity cannot pass through. However, in a preferred example, the size and shape of both the groove and the air hole are set such that only gas can pass through and the oil in the oil storage chamber cannot pass through, which can ensure that the e-liquid basically does not leak out.

Through the above-mentioned pressure relief and backflow atomizer, the second atomizing core body 302 is in the first position relative to the sealing member 5, that is, when the atomizer is in use, the air hole 306 leads to all the holes through the groove 305 The oil storage chamber 103 forms a pressure relief channel; the second atomizing core body 302 is in the second position relative to the sealing member 5, that is, when the atomizer has not been used, the air hole 306 passes through the concave The pressure relief channel from the groove 305 to the oil storage chamber 103 is blocked. This pressure relief channel can replenish air in the oil storage chamber 103 to maintain the air pressure balance, so that the oil can enter more comfortably and quickly, solve the problem of slow oil intake and insufficient oil supply, and further avoid the problems caused by slow oil intake and insufficient oil supply. The problem of burning out the heating core 309.

In one embodiment of the groove, in the embodiment shown in Figures 1 to 7, the groove 305 communicates with the oil inlet hole 304 and the air hole 306 respectively, and the groove 305 is arranged on the second On the outer wall of the main body 302 of the atomization core. The groove 305 is connected between the oil inlet hole 304 and the air hole 306 to facilitate the positioning of the laser engraving and avoid misalignment of the radium engraving. The second atomizing core body 302 is usually made of a material with high rigidity such as metal, and by opening the groove 305 on the outer wall of the second atomizing core body 302, the groove 305 will not be squeezed by an external force. Deformation occurs (for example, the width and depth of the groove decrease), so that the groove 305 cannot be ventilated. It should be noted that, in other embodiments, the groove 305 can be provided on the inner wall of the sealing member 5, or the groove 305 can be formed by the first groove provided on the inner wall of the sealing member 5 and the first groove provided on the inner wall of the sealing member 5. The second grooves on the outer wall of the second atomizing core body 302 are jointly formed.

Through the pressure relief return atomizer of this embodiment, when the second atomizing core body 302 is in the first position relative to the sealing member 5 (as shown in FIG. 4 , FIG. 6 and FIG. 7 ), That is, when the atomizer is used, the inner wall of the sealing member 5 covers the air hole 306 and the groove 305, and at least a part of the oil inlet hole 304 is exposed in the oil storage chamber 103, so that the air hole 306 , A pressure release channel is formed between the groove 305 and the oil storage chamber 103 . In one example, only a part of the oil inlet hole 304 may be exposed, and the airflow enters from the air hole 306 on the inside of the second atomizing core body 302 during air intake, and flows along the outer groove 305 of the second atomizing core body 302 to the oil inlet. At the hole 304, air enters the oil storage chamber 103 through the oil inlet hole 304 exposed in the oil storage chamber 103; the exhaust process in the oil storage chamber 103 is in the opposite direction, and will not be described again. In another example, all the oil inlet holes 304 are exposed, and part of the groove 305 is also exposed, then the airflow enters from the air hole 306 inside the second atomizing core body 302 during air intake, and flows along the second atomizing core body 302 The outer groove 305 of the air intake is directly into the oil storage chamber 103; the exhaust process in the oil storage chamber 103 is in the opposite direction, and will not be repeated here. In yet another example, all the oil inlet holes 304 are exposed, but the groove 305 is not exposed, and the airflow enters from the air hole 306 inside the second atomizing core body 302 during air intake, and flows along the second atomizing core body 302 From the outer groove 305 to the edge of the oil inlet hole 304, the air enters the oil storage chamber 103 through the oil inlet hole 304 exposed in the oil storage chamber 103; the exhaust process in the oil storage chamber 103 is in the opposite direction, and will not be repeated. .

In contrast, when the second atomizing core body 302 is in the second position relative to the sealing member 5 (as shown in FIG. 5 ), that is, when the atomizer has not been used , the inner wall of the sealing member 5 covers the oil inlet hole 304, the air hole 306, and the groove 305, so as to block the pressure relief between the air hole 306, the groove 305, and the oil storage chamber 103 aisle. In this way, it is possible to prevent the e-liquid in the oil storage chamber 103 from entering the heating core 309 from the oil inlet hole 304, affecting the life of the heating core 309 and affecting the taste of the smoke.

In another embodiment regarding the groove 305 , the groove 305 is set on the outer wall of the atomizing core body, specifically on the outer wall of the second atomizing core body 302 . And the groove 305 communicates with the air hole 306 , but does not communicate with the oil inlet hole 304 . With the pressure relief return atomizer of this embodiment, when the second atomizing core body 302 is in the first position relative to the sealing member 5, that is, when the atomizer is in use, the sealing The inner wall of the part 5 covers a part of the air hole 306 and the groove 305, and exposes the other part of the groove 305 in the oil storage chamber 103, so as to form a pressure relief passage between the air hole 306 and the groove 305 . When taking in air, the airflow enters from the air hole 306 inside the second atomizing core body 302, and directly enters the oil storage chamber 103 along the outer groove 305 of the second atomizing core body 302; the oil storage chamber 103 The exhaust process is in the opposite direction and will not be repeated. In contrast, when the second atomizing core body 302 is in the second position relative to the sealing member 5, that is, when the atomizer has not been used, the inner wall of the sealing member 5 covers The air hole 306 and the groove 305 are used to block the pressure relief channel between the air hole 306 and the groove 305 . It should be noted that although the oil inlet hole 304 does not play a role in pressure relief, but the second atomizing core body 302 is in the first position, when the atomizer starts to use, the oil inlet hole 304 will be exposed in the oil storage chamber 103 ; The second atomizing core body 302 is in the second position. When the atomizer is not in use, the oil inlet hole 304 should be covered by the sealing member 5, which can prevent the smoke oil in the oil storage chamber 103 from entering from the oil inlet hole 304 Inside the heating core 309, it affects the life of the heating core 309 and affects the taste of the smoke.

In yet another embodiment regarding the groove 305, the groove 305 is set on the inner wall of the sealing member 5 and leads to the oil storage chamber 103, and the air hole 306 is set on the outer wall of the second atomizing core body 302, and is connected with the airflow channel. connected. With the pressure relief return atomizer of this embodiment, when the second atomizing core body 302 is in the first position relative to the sealing member 5, that is, when the atomizer is in use, the sealing The groove 305 on the element 5 communicates with the air hole 306 on the second atomizing core body 302 to form a pressure relief channel. and a part of the groove 305 , and expose another part of the groove 305 in the oil storage cavity 103 , so as to form a pressure relief channel between the air hole 304 and the groove 305 . In contrast, when the second atomizing core body 302 is in the second position relative to the sealing member 5, that is, when the atomizer has not been used, the inner wall of the sealing member 5 The groove 305 and the air hole 306 are separated from each other and do not communicate with each other, so as to block the pressure relief channel between the air hole 306 and the groove 305 .

It should be noted that, the second atomizing core body 302 can be in the first position and the second position by moving along the longitudinal direction of the atomizer. But not limited thereto, the second atomizing core body 302 can also be in the first position and the second position by moving in other directions, or rotating, or two steps of moving and rotating.

According to an embodiment of the present disclosure, the depth of the groove 305 may be 0.01-0.3mm, and the width of the groove 305 may be less than or equal to 2mm. The groove 305 of this depth and width can allow gas to pass through, but e-liquid cannot pass through, so as to realize gas replenishment. For example, in one embodiment, the depth of the groove 305 may be 0.05 mm, and the width of the groove may be 0.3 mm.

According to an embodiment of the present disclosure, the diameter of the pores 306 may be 0.01-0.8 mm. The pore size of the pores 306 allows gas to pass through, but e-liquid cannot pass through, so as to realize gas replenishment. For example, in one embodiment, the diameter of the pores 306 may be 0.6 mm.

According to an embodiment of the present disclosure, the oil storage bin body 1 is provided with a smoking port 101 and an air duct 102, the first atomizing core body 301 is inserted in the air duct 102, and the air duct 102 and the air duct 102 A sealing tube 2 is arranged between the first atomizing core bodies 301 .

According to an embodiment of the present disclosure, an oil storage tank 311 for collecting leakage oil is formed between one end of the atomizing core part 303 and the inner wall of the second atomizing core body 302 , and at least on the second atomizing core body 302 In a position (as shown in FIG. 4 , FIG. 6 and FIG. 7 ), the air hole 306 communicates with the oil storage tank 311 . It should be understood that the oil storage tank 311 is mainly used to collect a small amount of smoke oil carried when the airflow flows through the air holes 306 .

According to an embodiment of the present disclosure, the distance between the end of the heating core 309 adjacent to the atomizing core ligand 303 and the oil storage tank 311 is 0.1-0.8 mm. This distance can make the e-liquid in the oil storage tank 311 climb up to the heating core 309 by capillary action and be heated and atomized, thereby preventing a large amount of e-liquid from being stored in the oil storage tank 311 . For example, in one embodiment, the spacing may be 0.5 mm.

According to an embodiment of the present disclosure, the atomizer further includes an air guiding member 6, which is adjacent to the sealing member 5 and has a second hollow channel 606, the second channel 606 corresponds to the first passage 501; the outer wall of the air guiding member 6 is provided with a first air guiding hole 601 and a second air guiding hole 604, and the outer wall of the air guiding member 6 is connected with the oil storage bin body 1 An upper and lower air guide space 605 is formed between the inner walls, and the first air guide hole 601 and the second air guide hole 604 communicate with the air guide space 605 and the heating cavity 310 defined in the atomizing core 3 . In one embodiment, the diameter of the second channel 606 may be larger than that of the first channel 501 , so as to facilitate the flow of air from the reserved space of the second channel 606 into the heating chamber 310 of the atomizing core 3 . The air flow can enter from the air inlet 602, then enter the air guiding space 605 through the first air guiding hole 601, and then enter the second passage 606 through the second air guiding hole 604, and then drive the heating core 309 in the heating chamber 310 The smoke generated by heating the e-liquid enters into the air duct 102 , and the smoke is finally inhaled through the smoking port 101 .

According to an embodiment of the present disclosure, oil-absorbing cotton 4 for absorbing oil leakage is installed in the air guiding space 605 .

According to an embodiment of the present disclosure, the air guide 6 is further provided with an oil injection hole 603 for oil injection, and the oil injection hole 603 communicates with the oil storage chamber 103.

According to an embodiment of the present disclosure, the end of the atomizing core ligand 303 away from the oil inlet hole 304 is provided with a first conductive member 307 and a second conductive member 308 electrically connected to the heating core 309 . It should be noted that both the first conductive member 307 and the second conductive member 308 are made of conductive metal.

According to an embodiment of the present disclosure, there is also provided an electronic cigarette (not shown), which includes the above-mentioned pressure relief reflow atomizer.

One of the examples will be described. The present disclosure provides a pressure relief reflux atomizer, which includes an oil storage chamber body 1. The oil storage chamber body 1 is provided with an oil storage cavity 103 and an atomizing core 3 for oil absorption and atomization. The atomization core 3 is provided with a There is an air hole 306 communicating with the outside atmosphere, and a seal 5 for sealing the oil storage chamber 103 and isolating the air hole 306 is provided between the outer wall of the atomizing core 3 and the inner wall of the oil storage chamber 103, and pushes the mist at one end of the oil storage chamber 1. The air hole 306 on the atomizing core 3 and the atomizing core 3 is moved to the sealing member 5 to cover, the sealing member 5 and the outer wall of the main body of the atomizing core 3 can form a pressure relief channel, and the pressure relief channel communicates with the air hole 306 and the oil storage chamber 103 respectively. It should be noted that through the design of the pressure relief channel, the air hole 306 and the pressure relief channel can be used to maintain the air pressure balance of the supplementary air in the oil storage chamber 103, so that the oil can enter more quickly, and prevent the slow oil intake and insufficient oil supply from causing burnout and heat generation Core 309.

The sealing member 5 is provided with a first hollow channel 501 , the outer wall of the atomizing core 3 is in contact with the inner wall of the first channel 501 , and the outer peripheral wall of the sealing member 5 is in contact with the inner peripheral wall of the oil storage bin 1 . It should be noted that the sealing member 5 is sheathed on the outer wall of the atomizing core 3 through the first channel 501 .

A heating cavity 310 is formed in the atomizing core 3, and a heating core 309 for heating atomized e-liquid is provided in the heating cavity 310. The air hole 306 is opened on the outer wall position of the atomizing core 3 corresponding to the heating core 309, and the air hole 306 and the The heating chamber 310 communicates with each other, and at least one oil inlet hole 304 is opened on the outer wall of the atomizing core 3 corresponding to the heating core 309 . It should be noted that both the oil inlet hole 304 and the air hole 306 are opened on the outer wall of the atomizing core 3 and the oil inlet hole 304 is located above the air hole 306 .

One end of the oil storage tank body 1 is provided with a smoking port 101, and the oil storage tank body 1 protrudes inwardly from the smoking port 101 to form an air guide tube 102 communicating with the smoking port 101, and one end of the atomizing core 3 is connected to the air guide tube 102 Connected to each other, the oil storage chamber body 1 , the air duct 102 , the atomizing core 3 and the sealing member 5 enclose an oil storage chamber 103 .

The atomizing core 3 includes a first atomizing core body 301 , a second atomizing core body 302 and an atomizing core part 303 connected to each other, and the first atomizing core body 301 is formed by reducing the diameter of the second atomizing core body 302 , the atomizing core part 303 protrudes from the second atomizing core body 302, the first atomizing core body 301 extends into the air duct 102, and the second atomizing core body 302 is located in the corresponding first passage 501 and the second In the channel 606, the oil inlet hole 304 and the air hole 306 are opened on the tube wall of the second atomizing core body 302, the oil inlet hole 304 covers the first channel 501, the air hole 306 is located in the second channel 606, and the heating chamber 310 is formed In the second atomizing core body 302 , the atomizing core ligand 303 is located outside the second channel 606 . It should be noted that when the atomizer is not in use, prevent the e-liquid in the oil storage chamber 103 from entering the heating core 309 from the oil inlet hole 304, which will affect the life of the heating core 309 and affect the taste of the smoke; it should be noted that to prevent high and low temperature Under the environment, the e-liquid enters the air hole 306 through the groove 305, and then flows into the heating chamber 310 through the air hole 306, and finally flows out of the atomizer to cause pollution.

A sealing tube 2 is provided between the air guide tube 102 and the first atomizing core body 301 . It should be noted that the e-liquid in the oil storage chamber 103 is prevented from flowing out of the atomizer from the gap between the air guide tube 102 and the first atomizing core body 301 .

The second channel 606 pushes the atomizing core part 303 outside, the second atomizing core body 302 can move into the oil storage cavity 103 along the first channel 501 and the second channel 606, and the oil inlet hole 304 can move to the oil storage cavity 103 Inside, the air hole 306 can be moved to cover in the first channel 501 of the sealing member 5, the air hole 306 and the communicating groove 305 form a pressure relief channel with the inner wall of the first channel 501 in the sealing member 5, or/and the air hole 306 and the communicating The groove 305 and the outer wall of the second atomizing core body 302 form a pressure relief channel. It should be noted that when there is an air pressure difference in the oil storage chamber 103, the outside air can enter the air duct 102 from the smoking port 101, and then enter the first atomizing core body 301 through the air duct 102, and then pass through the first atomizing core body 301. The inside of the core body 301 enters the heating chamber 310 , the air hole 306 , the groove 305 and finally enters the heating chamber 310 , otherwise the air in the oil storage chamber 103 can be discharged from the smoking port 101 along the airflow direction mentioned above.

One end of the air guide 6 is provided with an air inlet 602 for air intake and an oil injection hole 603 for oil injection.

Specifically, as shown in Figures 1-5, the pressure relief reflux atomizer of the preferred embodiment includes: an oil storage tank body 1, a sealing tube 2, an atomizing core 3, an oil-absorbing cotton 4, a sealing member 5, an air guiding member 6, Oil sealing plug 7, magnet 8, iron shell 9, wherein oil storage chamber 1 is provided with oil storage chamber 103 for oil storage, and the top of oil storage chamber 1 is provided with smoking port 101 for smoking, oil storage chamber 1 Protruding inwardly from the smoking port 101 forms an air duct 102 communicating with the smoking port 101 for ventilation and smoke exhaust. The atomizing core 3 is composed of a first atomizing core body 301 and a second atomizing core body connected to each other. 302 and the atomizing core part 303 are formed, the first atomizing core body 301 is formed with a reduced diameter relative to the second atomizing core body 302, the atomizing core part 303 protrudes from the bottom opening of the second atomizing core body 302, and the second atomizing core body 302 An atomizing core body 301 extends into the air duct 102 to connect with the air duct 102, and the sealing tube 2 is installed between the air duct 102 and the first atomizing core body 301 to seal the connection gap between the two to prevent leakage. Oil, a heating chamber 310 is formed in the second atomizing core body 302 for atomizing e-liquid. The heating chamber 310 is also connected to the air duct 102. A heating core 309 for heating the e-liquid is arranged in the heating chamber 310. The second mist The outer wall of the chemical core body 302 is provided with an air hole 306 and a groove 305 communicating with the air hole 306 for ventilation. The air hole 306 communicates with the heating chamber 310 and is also used for ventilation. There are also four oil inlet holes 304 for oil inlet, and the oil inlet holes 304 are located above the air holes 306, and the first conductive part 307 and the second conductive part 308 are installed on the bottom of the atomizing core part 303 in isolation from each other. It is used for electrical connection with the heating core 309. An oil storage tank 311 is formed between the upper end of the atomizing core part 303 and the inner wall of the second atomizing core body 302 to collect leaking oil. When the airflow flows through the air hole 306, there will be a small amount of smoke The oil enters the oil storage tank 311 from the air hole 306 for storage. The seal 5 has a first hollow channel 501 inside. A channel 501 is sleeved on the outer wall of the second atomizing core body 302 and is in contact with the outer wall of the second atomizing core body 302, the outer peripheral wall of the sealing member 5 is in contact with the inner peripheral wall of the oil storage bin body 1, and the air guide 6 is installed on the oil storage chamber. The opening at the bottom of the chamber body 1 is used for air guidance. The air guide 6 is provided with a second hollow channel 606. The second channel 606 corresponds to the first channel 501, and the second atomizing core body 302 is located in the corresponding first channel. 501 and the second channel 606, wherein the oil inlet hole 304 is covered in the first channel 501, which is used to prevent the e-liquid in the oil storage chamber 103 from entering the heating core 309 from the oil inlet hole 304 when the atomizer is not in use. Lifespan and taste, the air hole 306 and the groove 305 are located in the second channel 606 and are isolated from the oil storage chamber 103, the atomizing core part 303 protrudes outside the second channel 606, and the second channel 606 pushes the atomizing core part outside 303, the second atomizing core body 30 2 can move along the first channel 501 and the second channel 606 into the oil storage cavity 103, the oil inlet hole 304 can move into the oil storage cavity 103, the air hole 306 and the groove 305 can move to the first channel 501 of the seal 5 Inner cover, the upper end of the groove 305 communicates with the oil storage chamber 103, the lower end of the groove 305 communicates with the air hole 306, the air hole 306 and the communicating groove 305 and the inner wall of the first channel 501 in the seal 5 constitute a pressure relief channel, and the oil storage When there is a pressure difference in the cavity 103, the outside air can enter the air duct 102 from the smoking port 101, and then enter the first atomizing core body 301 through the air duct 102, and then enter the heating system through the first atomizing core body 301. Cavity 310, air holes 306, and grooves 305 finally enter the heating chamber 310, otherwise the air in the oil storage chamber 103 can be discharged from the smoking port 101 along the pressure relief channel, and the two sides of the outer wall of the air guide member 6 are provided with first air guide holes 601 And the second air guide hole 604 is used for air guide, the upper and lower air guide space 605 is formed between the outer wall of the air guide member 6 and the inner wall of the oil storage bin body 1, and is also used for air guide, the first air guide hole 601 and the second air guide hole 604 is located in the air guide space 605 and communicates with the heating chamber 310. The oil absorbent cotton 4 for absorbing oil leakage is installed in the air guide space 605. The air flow can enter from the air inlet 602, and then enter the air guide through the first air guide hole 601. In the space 605, it enters the second channel 606 through the second air guide hole 604, and then enters the heating chamber 310 to drive the smoke generated by the heating core 309 to heat the e-liquid into the air guide tube 102, and the smoke is finally sucked from the smoking port 101 The bottom of the air guide 6 is provided with an air inlet 602 for air intake and an oil injection hole 603 for oil injection. Commonly used for oil filling, the oil sealing plug 7 is installed in the oil filling hole 603 to seal the oil filling hole 603 after filling the oil, the magnet 8 is pressed in the oil filling hole 603 and is located under the oil sealing plug 7 for connecting with the battery by magnetic attraction , 9 iron shells are set on the outer peripheral wall of the bottom of the oil storage bin body 1 to prevent the oil storage bin body 1 from being deformed.

As shown in FIG. 6 , in a specific embodiment of the present disclosure, the airflow direction of the pressure relief return atomizer is specifically implemented. When smoking, the airflow can enter from the air inlet 602 at the bottom of the air guide 10, and then pass through the first guide The air hole 601 enters the air guide space 605, then enters the second channel 606 through the second air guide hole 604, and then enters the heating chamber 310 to drive the smoke generated by the heating core 309 to heat the e-liquid into the air guide tube 102, and the smoke finally Sucked from the smoking port 101.

As shown in FIG. 7 , in a specific embodiment of the present disclosure, the air from the pressure relief and return atomizer enters the oil storage chamber 101 of the oil storage bin body 1 to supplement the air. The air pipe 102 enters the first atomizing core body 301 through the air guiding pipe 102, then enters the heating chamber 310 through the first atomizing core body 301, enters the groove 305 through the air hole 306, and finally exits the groove 305 enters the heating chamber 310 to supplement air to maintain air pressure balance.

Finally, it should be noted that the above description is only a preferred embodiment of the present disclosure, and is not intended to limit the present disclosure. The technical solutions recorded in the foregoing embodiments may be modified, or some technical features thereof may be equivalently replaced. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present disclosure shall be included within the protection scope of the present disclosure.

Claims (27)

An atomizing core, comprising an atomizing core body, in which an airflow passage for airflow is formed, characterized in that air holes are opened on the wall of the atomizing core body, and the air holes are connected with the The air flow channel is communicated, the outer wall of the atomizing core body is provided with a groove, the groove communicates with the air hole, and the groove is set as a tank through which only gas can pass and/or the air hole Pores configured to allow only gas to pass through. The atomizing core according to claim 1, wherein an oil inlet hole is opened on the wall of the atomizing core body, and the air hole is arranged upstream of the oil inlet hole along the airflow direction during suction . The atomizing core according to claim 2, wherein the groove is arranged between the oil inlet hole and the air hole, and communicates with the oil inlet hole and the air hole. The atomizing core according to claim 1, characterized in that, the atomizing core further comprises a heating core arranged in the main body of the atomizing core. The atomizing core according to claim 4, characterized in that, the atomizing core further comprises an atomizing core ligand, and the atomizing core ligand is arranged at an end of the atomizing core main body. The atomizing core according to claim 5, characterized in that, an oil storage tank for collecting leakage oil is formed between the atomizing core part and the inner wall of the end of the atomizing core body, and The oil storage tank is arranged upstream of the heating core along the airflow direction during suction. The atomizing core according to claim 6, wherein the air hole corresponds to the oil storage tank. The atomizing core according to claim 6, characterized in that, the distance between the end of the heating core adjacent to the ligand of the atomizing core and the oil storage tank is 0.1-0.8mm. The atomizing core according to claim 5, wherein the atomizing core part is provided with a first conductive part and a second conductive part, and the first conductive part and the second conductive part are arranged in isolation from each other, And electrically connected to the heating core. The atomizing core according to claim 2 or 3, wherein the atomizing core body comprises a first atomizing core body and a second atomizing core body connected to each other, and the first atomizing core body is opposite to The diameter of the second atomizing core body is reduced, wherein the oil inlet hole, the air hole and the groove are arranged on the second atomizing core body. The atomizing core according to claim 10, characterized in that, the atomizing core further comprises a sealing tube, and the sealing tube is sleeved on the outer periphery of the main body of the first atomizing core, and the first atomizing core The main body is movable relative to the sealing tube. The atomizing core according to any one of claims 1 to 9, characterized in that the depth of the groove is 0.01-0.3mm, and the width of the groove is less than or equal to 2mm. The atomizing core according to any one of claims 1 to 9, characterized in that the diameter of the pores is 0.01-0.8mm. A pressure-relief return atomizer, characterized in that the pressure-relief return atomizer comprises: An oil storage bin, the inside of which defines an oil storage chamber for accommodating e-liquid; an atomizing core, the atomizing core is arranged in the oil storage tank and is used for atomizing the e-liquid, and the atomizing core includes an atomizing core body; and a sealing element, the sealing element is provided with a first channel, the atomizing core body is inserted in the first channel and can move between a first position and a second position relative to the sealing element; The wall of the atomizing core body is provided with an oil inlet hole and an air hole, and an airflow channel for airflow is formed inside the atomizing core body, and the air hole is arranged in the oil inlet hole along the airflow direction during suction. Upstream of the air hole, the air hole communicates with the airflow channel, and the sealing member covers the air hole; The inner wall of the sealing member and/or the outer wall of the atomizing core body are provided with grooves for communicating with the air holes; The groove is configured as a trough through which only gas can pass and/or the air hole is configured as a hole through which only gas can pass; and The main body of the atomizing core is at the first position relative to the sealing member, and the air hole leads to the oil storage chamber through the groove to form a pressure relief channel; the main body of the atomizing core is relatively to the When the sealing member is in the second position, the pressure relief channel from the air hole to the oil storage chamber through the groove is blocked. The atomizer according to claim 14, wherein the oil storage chamber is defined by the inner wall of the oil storage bin, the outer wall of the atomizing core body and the sealing member. The atomizer according to claim 14, characterized in that, the outer wall of the atomizing core body is provided with the groove, and the groove communicates with the air hole; the atomizing core body is relatively The seal is at the first position, at least a part of the groove is exposed in the oil storage cavity; the main body of the atomizing core is at the second position relative to the seal, and the seal covers the the air hole and the groove; Alternatively, the outer wall of the atomizing core body is provided with the groove, the groove is arranged between the oil inlet hole and the air hole, and communicates with the oil inlet hole and the air hole; the mist The main body of the atomizing core is at the first position relative to the sealing member, at least a part of the oil inlet hole is exposed in the oil storage cavity; the main body of the atomizing core is at the second position relative to the sealing member, The seal covers the air hole, the groove and the oil inlet hole. The atomizer according to claim 14, wherein the atomizing core further comprises a heating core arranged in the main body of the atomizing core and an atomizing core arranged at one end of the main body of the atomizing core Ligand. The atomizer according to any one of claims 14 to 17, wherein the depth of the groove is 0.01-0.3mm, and the width of the groove is less than or equal to 2mm. The atomizer according to any one of claims 14 to 17, characterized in that the diameter of the pores is 0.01-0.8 mm. The atomizer according to claim 17, wherein the oil storage tank body is provided with a smoking port and an air duct, the atomizing core body includes a first atomizing core body, and the first atomizing core The main body is inserted in the air guide tube, and a sealing tube is provided between the air guide tube and the first atomizing core main body. The atomizer according to claim 20, wherein the atomizing core body further comprises a second atomizing core body, the air hole and the oil inlet hole are both arranged on the second atomizing core body , an oil storage tank for collecting leakage oil is formed between one end of the atomizing core part and the inner wall of the second atomizing core body, and At least in the first position, the air hole communicates with the oil reservoir. The atomizer according to claim 21, wherein the distance between the end of the heating core adjacent to the ligand of the atomizing core and the oil storage tank is 0.1-0.8 mm. The atomizer according to any one of claims 14 to 17, characterized in that, the atomizer further comprises an air guiding element, the air guiding element is adjacent to the sealing element, and the air guiding element The interior of the part has a hollow second channel, the second channel corresponding to the first channel; The outer wall of the air guide member is provided with at least one first air guide hole and a second air guide hole, and an upper and lower air guide space is formed between the outer wall of the air guide member and the inner wall of the oil storage bin body. The first air guide hole and the second air guide hole communicate with the air guide space and the heating cavity defined in the atomizing core. The atomizer according to claim 23, wherein oil-absorbing cotton for absorbing oil leakage is installed in the air guiding space. The atomizer according to claim 23, wherein the air guiding member is further provided with an oil injection hole for oil injection, and the oil injection hole communicates with the oil storage chamber. The atomizer according to claim 17, wherein the end of the atomizing core part away from the oil inlet hole is provided with a first conductive member and a second conductive member electrically connected to the heating core. pieces. An electronic cigarette, characterized in that the electronic cigarette comprises the atomizing core according to any one of claims 1 to 13 or the pressure relief reflux atomizer according to any one of claims 14 to 26 .

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