CN217771499U - Atomizer of one-way solenoid valve leak protection oil - Google Patents

Abstract

The utility model provides an atomizer of one-way solenoid valve leak protection oil, it includes: the suction nozzle comprises an outer shell, wherein a containing cavity and a suction nozzle opening are formed in the outer shell; the atomization assembly is arranged in the containing cavity, an atomization channel is arranged in the atomization assembly, and the air outlet end of the atomization channel is connected to the suction nozzle; and the one-way electromagnetic valve assembly is used for controlling the opening or closing of the air inlet end of the atomization passage so that the atomization assembly is opened when atomization is started and closed when atomization is closed. The utility model discloses an atomizer of one-way solenoid valve leak protection oil, it is through setting up one-way solenoid valve subassembly in the shell, through opening or closing of one-way solenoid valve subassembly control atomization component's inlet channel, if and only when atomization component opens the during operation, inlet channel just opens to avoid the problem of atomized liquid and condensate seepage, improved user experience.

Description

Atomizer of one-way solenoid valve leak protection oil

Technical Field

The utility model relates to an atomizing device technical field especially relates to an atomizer of one-way solenoid valve leak protection oil.

Background

The existing atomization device heats and atomizes atomized liquid through a heating body, and aerosol after heating and atomization needs to be brought out along with air flow sucked by a user, so that the problem of leakage of the atomized liquid along with reverse osmosis of an atomization channel is inevitable. In addition, the atomizer also produces condensate after using, and the condensate also can leak, influences user experience. In the existing product, in order to solve the problem of leakage of atomized liquid or condensed liquid, leakage is generally reduced as much as possible through structural design, and leakage cannot be effectively solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's not enough, provide an atomizer of one-way solenoid valve leak protection oil to solve the technical problem of current atomizing device weeping.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an embodiment of the utility model provides an atomizer of one-way solenoid valve leak protection oil, it includes:

the suction nozzle comprises an outer shell, wherein a containing cavity and a suction nozzle opening are formed in the outer shell;

the atomizing assembly is arranged in the accommodating cavity, an atomizing channel is arranged in the atomizing assembly, and the air outlet end of the atomizing channel is connected to the suction nozzle; and

the one-way electromagnetic valve assembly is used for controlling the opening or closing of the air inlet end of the atomization passage so that the atomization assembly is opened when atomization is started and closed when atomization is closed.

Wherein, the one-way solenoid valve subassembly includes: the electromagnetic assembly comprises a shell, a movable shaft, an elastic piece and an electromagnetic assembly, wherein the shell is internally provided with a mounting cavity; when the electromagnetic assembly is electrified, the magnet piece is magnetically attracted to synchronously drive the movable shaft to compress the elastic piece, so that the movable shaft is far away from the air inlet end of the atomizing channel; when the electromagnetic assembly loses electricity, the elastic piece pushes the movable shaft to reset so that the movable shaft closes the air inlet end of the atomizing channel.

The bottom wall of the installation cavity is provided with an air inlet hole, the top wall of the installation cavity is provided with an air outlet hole, the movable shaft and the elastic part are internally provided with communicated air inlet channels, the air inlet ends of the air inlet channels are communicated with the air inlet hole, and the air outlet ends are communicated with the air outlet hole.

And the edge of the air outlet hole also longitudinally extends to form a connecting pipe part, and the connecting pipe part is inserted in the atomizing channel.

The bottom wall of the installation cavity is also provided with a lower pipe part extending upwards in the longitudinal direction, and the top wall of the installation cavity is also provided with an upper pipe part extending downwards in the longitudinal direction; the tube cavity of the lower tube part is communicated with the air outlet, and the tube cavity of the upper tube part is communicated with the air outlet; the elastic part is arranged in the tube cavity of the lower tube part, the lower end of the movable shaft is inserted in the tube cavity of the lower tube part, and the upper end of the movable shaft is inserted in the tube cavity of the upper tube part, so that when the movable shaft is controlled to stretch and retract, the two ends of the movable shaft are not separated from the tube cavity of the upper tube part and the tube cavity of the lower tube part.

Wherein, a limit wall transversely extends out of the inner wall of the tube cavity of the upper tube part, and a sealing surface is arranged on the movable shaft; when the electromagnetic assembly loses electricity, the sealing surface abuts against the limiting wall, and sealing is formed at the abutting position.

The sealing device comprises a movable shaft, a sealing surface and an elastic piece, wherein a longitudinally extending ventilation cavity is arranged in the movable shaft, an air inlet is formed in the bottom of the ventilation cavity, an air outlet is formed in one side, close to the sealing surface, of the side wall of the ventilation cavity, and an air inlet through hole communicated with the air inlet and the air inlet is formed in the elastic piece.

The electromagnetic assembly comprises a plurality of iron cores arranged in the installation cavity and parallel to the telescopic action direction of the movable shaft, and the electromagnetic assembly is wound on the iron cores.

Wherein, the atomizing subassembly includes: the upper end of the breather pipe is inserted in the upper sealing element, and the lower end of the breather pipe is inserted in the lower sealing element; the oil storage pipe, the breather pipe, the upper sealing piece and the lower sealing piece jointly enclose a liquid storage cavity, and oil storage cotton is further arranged in the liquid storage cavity; the lower sealing piece is further internally provided with a lower connecting hole which is communicated with the vent pipe, and the one-way electromagnetic valve assembly is used for controlling the opening or closing of the lower connecting hole.

Wherein the housing includes: the atomizing device comprises an upper shell and a base connected with the upper shell, wherein a battery assembly is also arranged in a cavity and used for supplying power to the atomizing assembly; still be equipped with the connection chamber in the base, the upper end opening in connection chamber still is equipped with sealing connection's base sealing member, still be equipped with control circuit board in the connection chamber.

The utility model discloses an atomizer of one-way solenoid valve leak protection oil, it is through setting up one-way solenoid valve subassembly in the shell, and the gas circuit that admits air of the atomizing passageway through one-way solenoid valve subassembly control atomizing subassembly is opened or is closed, and if and only when atomizing subassembly open work, atomizing passageway admits air the gas circuit and just opens to avoid the problem of atomized liquid and condensate seepage, improved user experience.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is an exploded view of an oil leakage prevention atomizer of a one-way solenoid valve according to an embodiment of the present invention.

Fig. 2 is a cross-sectional view of the atomizer of the one-way solenoid valve for preventing oil leakage of the embodiment of the present invention.

Fig. 3 is a schematic diagram of a closed state of a check solenoid valve assembly of the oil-leakage-proof atomizer of the embodiment of the present invention.

Fig. 4 is a schematic diagram of an open state of a one-way solenoid valve of an oil-leakage-proof atomizer of the embodiment of the present invention.

Fig. 5 is a schematic structural view of a lower sealing member portion of an atomizer for preventing oil leakage of a one-way solenoid valve according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and the following detailed description.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

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

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the terminology used in the description presented above should not be understood as necessarily referring to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Referring to fig. 1 to 5, the present embodiment provides an oil-leakage-proof atomizer 100 of a one-way solenoid valve, where the oil-leakage-proof atomizer 100 of the one-way solenoid valve includes: the shell body 1, set up atomizing subassembly 2, one-way solenoid valve subassembly 5, battery pack 6 and control circuit board 8 in shell body 1. Wherein, in outer casing 1, atomization component 2 sets up in the top of one-way solenoid valve subassembly 5, battery pack 6 sets up in the below of one-way solenoid valve subassembly 5, and control circuit board 8 is located battery pack 6 below, and sealing connection in the bottom of outer casing 1, by control circuit board 8 control atomization component 2 starts work and controls simultaneously atomization component 2's atomizing passageway 20 is opened with the input external gas to one-way solenoid valve subassembly 5.

Wherein the outer housing 1 has a cavity 112 and a suction nozzle 111. This outer shell 1 includes: the device comprises an upper shell 11 and a base 13, wherein the base 13 is connected with the lower end opening of the upper shell 11 in a buckling mode. The edge of the nozzle opening 111 also extends longitudinally downwards to form a tubular part 12. In this embodiment, the upper casing 11 is an integrally formed structure, and the upper casing 11 and the base 13 jointly enclose the cavity 112.

The atomization component 2 is arranged in the accommodating cavity 112, an atomization channel 20 is arranged in the atomization component 2, and an air outlet end of the atomization channel 20 is communicated with the nozzle opening 111, so that aerosol atomized in the atomization channel is output to the tubular part 12 and finally output to a user from the nozzle opening 111.

This atomization component 2 includes: the oil storage device comprises an oil storage pipe 21, a vent pipe 23 arranged in the oil storage pipe 21, an upper sealing piece 24 connected to the upper end of the oil storage pipe 21 and a lower sealing piece 25 connected to the lower end of the oil storage pipe 21, wherein the upper end of the vent pipe 23 is inserted into the upper sealing piece 24, and the lower end of the vent pipe 23 is inserted into the lower sealing piece 25. Specifically, the upper sealing member 24 is inserted into the upper end opening of the oil storage pipe 21, the lower sealing member 25 is inserted into the lower end opening of the oil storage pipe 21, the upper sealing member 24 is provided with an upper connecting hole, the lower sealing member 25 is provided with a lower connecting hole, and two ends of the vent pipe 23 are respectively inserted into the upper connecting hole and the lower connecting hole. The top of the upper sealing element 24 is also provided with an oil absorption cotton 4, the oil absorption cotton 4 is provided with a through hole, the lower end of the tubular part 12 is inserted into the through hole, and the upper end of the vent pipe 23 penetrates through the upper sealing element 24 and then is also inserted into the through hole. Wherein, a certain interval is arranged between the upper end of the breather pipe 23 and the lower end of the tubular part 12, so that the condensate flowing back from the tubular part 12 can be firstly absorbed by the oil absorption cotton 4, and can not directly flow back to the atomizing core from the breather pipe 23, thereby preventing the oil frying phenomenon when the atomizing work is started again.

Still be equipped with atomizing core 3 in the breather pipe 23, oil storage pipe 21, breather pipe 23, go up sealing member 24 and sealing member 25 encloses jointly and becomes a stock solution chamber, still be equipped with the oil storage cotton 22 in the stock solution chamber. It can be understood that, be equipped with a plurality of inlet ports on the breather pipe 23, the atomizing core 3 includes heat-generating body 31 and wraps up in the outside oil medium 32 of leading of heat-generating body 31, lead oil medium 32 and shelter from in the inlet port, so that the atomizing liquid in the stock solution chamber flows through earlier through oil medium 32 leads, and then leads the balanced heat-generating body 31 that supplies of oil medium 32. The oil guide medium 32 comprises ceramic, oil guide cotton and other media, the heating body 31 comprises heating wires or heating sheets in different shapes or forms, and the heating body can be heated to generate heat after being electrified, so that atomized liquid contacting the heating body is heated and atomized to generate aerosol. The upper seal 24 is connected to the oil reservoir pipe 21 and also elastically abuts against the inner wall of the upper case 11, and similarly, the lower seal 25 is connected to the oil reservoir pipe 21 and also elastically abuts against the inner wall of the upper case 11. In this embodiment, the upper sealing member 24 and the lower sealing member 25 are both made of silicone, and the upper sealing member 24 and the lower sealing member 25 can be connected to the oil storage tube 21 in a sealing manner, and can also fixedly connect the atomizing assembly 2 in the accommodating chamber 112.

Referring to fig. 3 and 4 again, the one-way solenoid valve assembly 5 is used to control the opening or closing of the air inlet end of the nebulizing channel 20 so that the air path 20 of the nebulizing channel is open when the nebulizing assembly 2 is opened for nebulizing, and the air inlet path of the nebulizing channel 20 is closed when the nebulizing is closed.

Specifically, the one-way solenoid valve assembly 5 includes: the electromagnetic assembly comprises a shell 51, a movable shaft 54, an elastic piece 53 and an electromagnetic assembly 52, wherein the shell 51 is internally provided with a mounting cavity 510, the movable shaft 54, the elastic piece 53 and the electromagnetic assembly 52 are arranged in the mounting cavity 510, the movable shaft 54 is further connected with a magnet piece 55, the top elastic end of the elastic piece 53 is connected to the bottom of the movable shaft 54, and the bottom elastic end of the elastic piece 53 is connected to the bottom wall of the mounting cavity 510; when the electromagnetic assembly 52 is energized, the magnet piece 55 is magnetically attracted to synchronously drive the movable shaft 54 to compress the elastic piece 53, so that the movable shaft 54 is far away from the air inlet end of the atomizing channel 20; when the electromagnetic assembly 52 is de-energized, the elastic member 53 pushes the movable shaft 54 to return, so that the movable shaft 54 closes the air inlet end of the atomization passage 20. At this time, the outer shell 1 is provided with an air inlet communicated with the air inlet end of the atomizing channel 20, and the one-way solenoid valve assembly 5 is only used as a one-way switch valve to control the opening or closing of the air inlet of the atomizing channel 20. The atomization channel 20 is composed of a vent pipe 23 and a connecting hole on a lower sealing piece 25.

In other embodiments, the liquid storage tube 21 and the air tube 23 may be an integrated structure with the lower end connected, and at this time, the lower sealing member 25 does not need to be disposed, and the top end of the movable shaft 54 may be connected with a sealing silica gel, and the on-off of the air intake passage of the atomizing passage 20 is controlled by whether the sealing silica gel abuts against the air intake end of the atomizing passage 20.

In this embodiment, the main body 511 of the housing 51 is cylindrical, the top of the mounting cavity 510 is a top wall 5111, the bottom of the mounting cavity 510 is a bottom wall 5112, the top wall 5111 is provided with an air outlet 5113, and the bottom wall 5112 is provided with an air inlet 5114.

An air inlet channel is arranged in the movable shaft 54 and the elastic element 53, an air inlet end of the air inlet channel is communicated with the air inlet hole 5114, and an air outlet end of the air inlet channel is communicated with the air outlet hole 5113. At this time, the movable shaft 54 and the elastic member 53 may not only perform a telescopic action to control the on/off of the air intake passage of the atomizing passage 20, but also deliver air to the atomizing passage 20 through the air intake passage communicated with the inside.

Specifically, a connecting tube portion 512 extends longitudinally from the edge of the air outlet 5113, and the connecting tube portion 512 is inserted into the atomizing channel 20. The quick positioning and assembling of the one-way solenoid valve assembly 5 and the atomizing assembly 2 can be realized through the connecting pipe part 512.

The bottom wall 5112 of the mounting chamber 510 is further provided with a lower tube portion 514 extending longitudinally upwards, and the top wall 5111 of the mounting chamber 510 is further provided with an upper tube portion 513 extending longitudinally downwards; the lumen of the lower tube part 514 is communicated with the air outlet 5114, and the lumen of the upper tube part 513 is communicated with the air outlet 5113. The elastic member 53 is disposed in the lumen of the lower tube 514, the lower end of the movable shaft 54 is inserted into the lumen of the lower tube 514, and the upper end of the movable shaft 54 is inserted into the lumen of the upper tube 513, so that when the movable shaft 54 is controlled to extend or retract, both ends of the movable shaft 54 are not separated from the lumen of the upper tube 513 and the lumen of the lower tube 514. The upper tube 513 and the lower tube 514 are coaxially arranged, and the movable shaft 54 can be vertically extended and contracted in the tube cavity without being separated from the tube cavity. The upper pipe portion 513 and the lower pipe portion 514 can guide the expansion and contraction of the movable shaft 54, and can limit the movable shaft 54 to prevent the movable shaft from loosening.

Further, a limiting wall 515 extends out of the inner wall of the lumen of the upper tube part 513 in the transverse direction, and a sealing surface 541 is arranged on the movable shaft 54; when the electromagnetic assembly 52 is de-energized, the sealing surface 541 abuts against the limiting wall 515 and forms a seal at the abutment. The design of the limiting wall 515 enables the movable shaft 54 to still have a certain supporting force in the natural state of the elastic element 53, so as to avoid that the elastic element 53 loses the sealing effect because of insufficient elastic force recovery when the electromagnetic assembly 52 loses the power due to long-term use and aging of the elastic element 53. With the above-described structure of the upper tube 513, the lower tube 514, and the limiting wall 515, the elastic member 53 can be assembled in abutment with the movable shaft 54 and the bottom wall 5112 of the mounting chamber 510 without a fixed connection, thereby simplifying the assembly process.

In this embodiment, a ventilation cavity 544 extending in the longitudinal direction is disposed in the movable shaft 54, the sealing surface 541 is disposed at the upper end portion of the movable shaft 54, an air inlet 542 is disposed at the bottom of the ventilation cavity 544, an air outlet 543 is disposed on a side wall of the ventilation cavity 544 close to the sealing surface 541, and an air inlet through hole communicating the air inlet 5114 and the air inlet 542 is disposed in the elastic member 53. The elastic member 53 may be an elastic silicone member, and it is understood that the elastic member 53 may also be a spring, in which case, an air inlet through hole does not need to be separately formed in the spring. The ventilation channels arranged in the elastic part 53 and the movable shaft 54 can utilize the self structures of the elastic part 53 and the movable shaft 54 to ventilate, so that the overall size of the one-way electromagnetic valve 2 is reduced, and the miniaturization design of the atomizer is facilitated.

Wherein the electronic assembly 52 comprises: a plurality of iron cores 516 arranged in the installation cavity 510 and parallel to the telescopic action direction of the movable shaft 54, and an electromagnetic coil 521 wound on the iron cores 516. In this embodiment, the magnet piece 55 is an annular magnet fixedly connected to the approximately middle position of the side wall of the movable shaft 54, and the iron core 516 is parallel to the telescopic direction of the movable shaft 54, so that the included angle between the magnetic force direction and the telescopic direction of the movable shaft 54 is zero, and the magnetic force is utilized to the maximum. It is understood that the magnet piece 55 may also serve to limit the expansion and contraction of the movable shaft 54 and the upper and lower pipe portions 513 and 514.

Referring again to fig. 5, the lower seal 25 includes: a tubular body 251, and a connecting pipe portion 253 provided on a top wall 252 of the tubular body 251, wherein the connecting pipe portion 253 is inserted into a lower end opening of the breather pipe 23. The one-way solenoid valve assembly 5 is disposed within the lumen 254 of the tubular body 251.

The battery assembly 6 includes: electric core 61 to and wrap up in electric core package cotton 62 of electric core 61 outer wall, electric core package cotton 62's lateral wall butt in the appearance chamber 112 inner wall of last casing 11.

Still be equipped with in the base 13 and connect chamber 131, the upper end opening of connecting chamber 131 still is equipped with sealing connection's base sealing member 7, still be equipped with control circuit board 8 in the connecting chamber 131. The control circuit board 8 is provided with a microphone and a charging interface, the microphone is used for inducing a user to inhale air to control the atomization assembly 2 and the one-way solenoid valve assembly 5 to be synchronously opened, and the charging interface is used for an external power supply to charge the battery core 61.

The atomizer of one-way solenoid valve leak protection oil of this embodiment, it is through setting up one-way solenoid valve subassembly in the shell, through opening or closing of one-way solenoid valve subassembly control atomization component's inlet channel, if and only when atomization component opens the during operation, inlet channel just opens to avoid the problem of atomized liquid and condensate seepage, improved user experience. Meanwhile, the unidirectional electromagnetic assembly is designed by closely combining all parts, so that the overall size is miniaturized, and the unidirectional electromagnetic assembly is suitable for miniaturized atomizer products.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims (10)

1. The utility model provides an atomizer of one-way solenoid valve leak protection oil which characterized in that includes:

the suction nozzle comprises an outer shell, a suction nozzle body and a suction nozzle body, wherein the outer shell is provided with a cavity and a suction nozzle opening;

the atomizing assembly is arranged in the containing cavity, an atomizing channel is arranged in the atomizing assembly, and the air outlet end of the atomizing channel is connected to the suction nozzle; and

the one-way electromagnetic valve assembly is used for controlling the atomization channel to be opened or closed, so that the atomization assembly opens the atomization channel when atomization is started, and closes the atomization channel when atomization is closed.

2. The atomizer of claim 1, wherein said one-way solenoid valve assembly comprises: the electromagnetic assembly comprises a shell, a movable shaft, an elastic piece and an electromagnetic assembly, wherein the shell is internally provided with a mounting cavity; when the electromagnetic assembly is electrified, the magnet piece is magnetically attracted to synchronously drive the movable shaft to compress the elastic piece, so that the movable shaft is far away from the air inlet end of the atomizing channel; when the electromagnetic assembly loses power, the elastic piece pushes the movable shaft to reset so that the movable shaft seals the air inlet end of the atomization channel.

3. An oil leakage prevention atomizer for a one-way solenoid valve as claimed in claim 2, wherein an air inlet hole is formed in a bottom wall of said mounting cavity, an air outlet hole is formed in a top wall of said mounting cavity, air inlet passages are formed in said movable shaft and said elastic member and are communicated with each other, an air inlet end of said air inlet passage is communicated with said air inlet hole, and an air outlet end of said air inlet passage is communicated with said air outlet hole.

4. An oil-leakage-preventing atomizer according to claim 3, wherein a connecting tube portion extends longitudinally from a hole edge of said air outlet hole, and said connecting tube portion is inserted into said atomizing passage.

5. The atomizer of claim 3, wherein the bottom wall of the mounting chamber further defines a lower tubular portion extending longitudinally upward, and the top wall of the mounting chamber further defines an upper tubular portion extending longitudinally downward; the tube cavity of the lower tube part is communicated with the air outlet, and the tube cavity of the upper tube part is communicated with the air outlet; the elastic part is arranged in the tube cavity of the lower tube part, the lower end of the movable shaft is inserted in the tube cavity of the lower tube part, and the upper end of the movable shaft is inserted in the tube cavity of the upper tube part, so that when the movable shaft is controlled to stretch and retract, the two ends of the movable shaft are not separated from the tube cavity of the upper tube part and the tube cavity of the lower tube part.

6. An oil leakage preventing atomizer according to claim 5, wherein a limiting wall extends transversely from an inner wall of the lumen of said upper tube portion, and said movable shaft is provided with a sealing surface; when the electromagnetic assembly loses electricity, the sealing surface abuts against the limiting wall, and sealing is formed at the abutting position.

7. An oil-leakage-preventing atomizer of a one-way electromagnetic valve according to claim 6, wherein a longitudinally extending ventilation cavity is provided in said movable shaft, said sealing surface is provided on the top of said movable shaft, an air inlet is provided at the bottom of said ventilation cavity, an air outlet is provided on the side wall of said ventilation cavity close to said sealing surface, and an air inlet through hole communicating said air inlet hole and said air inlet is provided in said elastic member.

8. The atomizer of claim 2, wherein said electromagnetic assembly comprises a plurality of cores disposed in said mounting chamber and parallel to the direction of the extension and retraction of said movable shaft, and an electromagnetic assembly wound around said cores.

9. An oil-leakage-preventing atomizer according to any one of claims 1 to 8, wherein said atomizing assembly comprises: the oil storage pipe is arranged in the oil storage pipe, and comprises an air pipe, an upper sealing element and a lower sealing element which are connected to the upper end and the lower end of the oil storage pipe; the oil storage pipe, the breather pipe, the upper sealing piece and the lower sealing piece jointly enclose a liquid storage cavity, and oil storage cotton is further arranged in the liquid storage cavity; the lower sealing piece is further internally provided with a lower connecting hole which is communicated with the vent pipe, and the one-way electromagnetic valve assembly is used for controlling the opening or closing of the lower connecting hole.

10. An oil leakage preventing atomizer according to claim 9, wherein said housing comprises: the atomizing device comprises an upper shell and a base connected with the upper shell, wherein a battery assembly is also arranged in a cavity and used for supplying power to the atomizing assembly; still be equipped with the connection chamber in the base, the upper end opening in connection chamber is equipped with sealing connection's base sealing member, still be equipped with control circuit board in the connection chamber.

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