CN218354613U - Atomizer and aerosol generating device - Google Patents

Abstract

The utility model discloses an atomizer and aerosol generating device belongs to atomizing technical field. The atomizer includes stock solution spare and shutoff piece, sets up the notes liquid hole of intercommunication stock solution chamber on the stock solution spare, and the shutoff piece rotationally sets up on the stock solution spare to can seal or open and annotate the liquid hole, the atomizer still holds the structure including the pressure, and it is protruding to press to hold the structure and include draw-in groove and card, and when the sealed liquid hole of annotating of rotation shutoff piece, it is protruding to drive the card and inlay in the draw-in groove. The utility model discloses an atomizer and aerosol generating device conveniently annotate the liquid, and the aesthetic property is better.

Description

Atomizer and aerosol generating device

Technical Field

The utility model relates to an atomizing technology field, concretely relates to atomizer and aerosol generating device.

Background

In order to prolong the service life of some existing aerosol generating devices by repeatedly adding aerosol-forming substrates to an atomizer, a plug which can be plugged and pulled is arranged on the atomizer to plug a liquid injection hole so as to add the aerosol-forming substrates to the liquid injection hole, but the operation is inconvenient, and in addition, the plug protrudes out of the surface of the atomizer, so that the appearance is poor.

There is therefore a need for a new atomizer and aerosol generating device.

SUMMERY OF THE UTILITY MODEL

Based on the above-mentioned problem that exists among the prior art, the utility model provides an aim at provides an atomizer, is convenient for annotate the liquid, and the aesthetic property is better. The utility model also provides an aerosol generating device of having above-mentioned atomizer.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides an atomizer, includes stock solution spare and shutoff piece, its characterized in that: set up the notes liquid hole of intercommunication stock solution chamber on the stock solution spare, the shutoff piece rotationally set up in on the stock solution spare to can seal or open annotate the liquid hole, the atomizer is still held the structure including the pressure, it includes draw-in groove and card protruding to press to hold the structure, rotating the shutoff piece is sealed when annotating the liquid hole, drive the card protruding inlay in the draw-in groove.

Furthermore, be equipped with on the stock solution spare and be suitable for holding the breach of shutoff piece, the side of breach is equipped with bent wall, be equipped with the fitting surface with the corresponding one side of bent wall on the shutoff piece, the draw-in groove is concave to be located on the bent wall, the protruding locating of card on the fitting surface, or the draw-in groove is concave to be located on the fitting surface, protruding locating of card is in on the bent wall.

Furthermore, the curved wall is an arc-shaped surface with the circle center passing through the rotating axis of the plugging piece, and the shape of the matching surface is matched with the shape of the curved wall to form an arc.

Furthermore, the atomizer also comprises a sealing element with elasticity and sealing performance, an accommodating groove suitable for accommodating the sealing element is formed in the liquid storage element corresponding to the liquid injection hole, and the sealing element is installed in the accommodating groove and plugged on the liquid injection hole.

Furthermore, a puncture hole opposite to the liquid injection hole is formed in the sealing element.

Furthermore, the sealing element is convexly provided with a convex rib at a position close to the plugging element, and the convex rib surrounds the periphery of the puncture hole.

Furthermore, the liquid storage part further comprises a pin shaft, a mounting hole is formed in the blocking part corresponding to the pin shaft, the pin shaft penetrates through the mounting hole and is connected with the liquid storage part, and the blocking part is rotatably connected to the liquid storage part.

Further, the atomizer still includes the limit structure who is used for restricting the rotation range of shutoff piece.

Furthermore, the limiting structure comprises a limiting protrusion protruding from the liquid storage part and a limiting groove concavely formed in the blocking part, and the limiting protrusion is accommodated in the limiting groove.

The utility model also provides an aerosol generating device, aerosol generating device includes foretell atomizer.

The beneficial effects of the utility model are that: the utility model provides an atomizer, set up the notes liquid hole of intercommunication stock solution chamber on its stock solution spare, the shutoff piece rotationally sets up on the stock solution spare to can seal or open and annotate the liquid hole, the atomizer still holds the structure including being used for supporting the shutoff piece to press on annotating the liquid hole, presses and holds the structure and include draw-in groove and card protruding, when rotating the sealed notes liquid hole of shutoff piece, drives the protruding inlay of card in the draw-in groove, thereby the embodiment of the utility model provides an atomizer compares in prior art, just can conveniently seal or open and annotate the liquid hole through rotating the shutoff piece, and owing to when rotating the sealed notes liquid hole of shutoff piece, drives the protruding inlay in the draw-in groove of card in pressing the structure, thereby can support the shutoff piece to strengthen the sealing to the liquid hole on annotating the liquid hole, make the atomizer surface level and smooth moreover, and then improved the pleasing to the eye degree of atomizer. Since the above-mentioned atomizer has the above-mentioned technical effects, the aerosol generating device having the above-mentioned atomizer should also have the same technical effects.

Drawings

The present invention will be further explained with reference to the drawings and examples.

In the figure: fig. 1 is a schematic perspective view of an atomizer according to an embodiment of the present invention in a use state.

Fig. 2 is a cross-sectional view taken along the direction E-E in fig. 1, with the block piece and the pin omitted.

Fig. 3 is a schematic perspective view of an atomizer according to an embodiment of the present invention in another usage state.

Fig. 4 is an exploded view of the atomizer according to the embodiment of the present invention, and the seal seat is omitted.

Fig. 5 is a schematic perspective view of a base according to an embodiment of the present invention.

Fig. 6 is a schematic perspective view of a plugging member according to an embodiment of the present invention.

Fig. 7 is another schematic view of the plugging member according to an embodiment of the present invention.

Fig. 8 is a schematic perspective view of a sealing member according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals: 100. an atomizer.

1. A liquid storage member; 11. a liquid storage cavity; 12. a liquid injection hole; 13. a housing; 131. a pin hole; 132. a smoke guide hole; 14. a base; 141. an accommodating groove; 142. a pressure regulating hole; 143. bulging; 15. a sealing seat; 16. a pin shaft; 17. a notch; 18. a curved wall.

2. A blocking member; 21. mounting holes; 22. a mating surface; 23. and (4) an anti-skid structure.

3. A seal member; 31. piercing the opening; 32. a rib is protruded; 33. a convex wall; 34. a mating hole.

4. A pressing structure; 41. a card slot; 42. clamping convex; 5. a limiting structure; 51. a limiting protrusion; 52. a limiting groove; 6. an atomizing core; 61. a liquid inlet; 7. a suction nozzle.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 according to specific situations by those skilled in the art.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be constructed in operation, and are not to be construed as limiting the invention.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment," "in some embodiments," or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 8, an atomizer 100 according to an embodiment of the present invention will now be described. The atomizer 100 provided by the present invention is suitable for use in an aerosol generating device, which is activated by an electrically driven atomizer 100 via a power supply device (not shown) therein, to atomize an aerosol-forming substrate into an aerosol by the atomizer 100.

Atomizer 100 includes stock solution spare 1 and shutoff piece 2, set up the notes liquid hole 12 that communicates stock solution chamber 11 on the stock solution spare 1, shutoff piece 2 rotationally sets up on stock solution spare 1, in order can seal or open and annotate liquid hole 12, atomizer 100 still including being used for supporting shutoff piece 2 and pressing the pressure on annotating liquid hole 12 and holding structure 4, pressure is held structure 4 and is included draw-in groove 41 and card protruding 42, when rotating the sealed liquid hole 12 that annotates of shutoff piece 2, drive card protruding 42 and inlay in draw-in groove 41. Thus the embodiment of the utility model provides an atomizer 100 compares in prior art, just can conveniently seal or open through rotating shutoff piece 2 and annotate liquid hole 12 to because when rotating shutoff piece 2 and seal and annotate liquid hole 12, drive the protruding 42 of card in the pressure-holding structure 4 and inlay in draw-in groove 41, thereby can support shutoff piece 2 to press and strengthen the sealed to annotating liquid hole 12 on annotating liquid hole 12, make atomizer 100 level and smooth surface moreover, and then improved atomizer 100's pleasing to the eye degree.

In addition, the relative positions of the liquid storage member 1 and the blocking member 2 are kept constant under the action of the pressing structure 4, so that the outer surfaces of the liquid storage member 1 and the blocking member 2 form a surface for matching with other parts of the aerosol generating device.

Referring to fig. 3, in some embodiments, the liquid storage member 1 is provided with a notch 17 adapted to receive the blocking member 2, the liquid storage member 1 is provided with a curved wall 18 on a side of the notch 17, the blocking member 2 is provided with a mating surface 22 on a side corresponding to the curved wall 18, the locking groove 41 is concavely provided on the curved wall 18, and the locking protrusion 42 is convexly provided on the mating surface 22. In other embodiments, the locking groove 41 is recessed in the mating surface 22 and the locking protrusion 42 is raised in the curved wall 18. Therefore, when the plugging piece 2 rotates and is sealed on the liquid injection hole 12, the pressing structure 4 after splicing connection is hidden in the atomizer 100, the surface of the atomizer 100 is smooth and unobtrusive, and the attractiveness of the atomizer 100 is improved.

In other embodiments, which are not shown in the drawings, the locking groove 41 may be disposed on the outer end surface of the base 14, the locking protrusion 42 is connected to the blocking member 2 and close to the outer end surface of the blocking member 2, and a magnetic attraction structure, a locking structure or an adhesive structure is disposed between the locking protrusion 42 and the locking groove 41 for detachable connection. When the plugging member 2 is rotated to seal the liquid injection hole 12, the clamping protrusion 42 is driven to be embedded in the clamping groove 41, and the plugging member 2 is tightly covered on the liquid injection hole 12, so that the surface of the atomizer 100 is smooth, and the appearance is good.

In some of these embodiments, the closure member 2 is rotationally coupled to the reservoir member 1 and performs planar motion. Therefore, when the impact force of aerosol forming matrix in the liquid storage cavity 11 on the plugging piece 2 or the pushing action formed by the pressure difference between the inside and the outside of the liquid storage cavity 11 is borne, the plugging piece 2 cannot be loosened along the axial direction of the liquid injection hole 12, so that the leakage of the liquid injection hole 12 is avoided.

As shown in fig. 2 and 4, in some embodiments, the liquid storage device 1 includes a housing 13, a base 14, and a sealing seat 15, the housing 13 is hollow to form the liquid storage chamber 11, the liquid injection hole 12 is opened on the base 14, the base 14 is installed on the bottom opening of the housing 13, the sealing seat 15 is made of elastic and sealing silicone, and the sealing seat 15 is assembled between the housing 13 and the base 14 to fill the installation gap between the base 14 and the housing 13. It will be appreciated that in other embodiments, the sealing seat 15 may be made of rubber, teflon or other materials with sealing property. It should be understood that the pour hole 12 is not limited to being provided in the base 14, and the pour hole 12 may be provided in the case 13.

As shown in fig. 3, in some embodiments, the curved wall 18 is an arc-shaped surface whose center passes through the rotation axis of the blocking member 2, a matching surface 22 is disposed on a side of the blocking member 2 corresponding to the curved wall 18 on the liquid storage member 1, and the matching surface 22 is in an arc shape corresponding to the curved wall 18, that is, the matching surface 22 is also an arc-shaped surface whose center passes through the rotation axis of the blocking member 2, so that when the blocking member 2 rotates in place and closes the liquid storage chamber 11, the matching surface 22 on the blocking member 2 is attached to the curved wall 18, so that the liquid storage member 1 and the blocking member 2 are inlaid into a structure with smooth outer surfaces, and the appearance of the atomizer 100 is further improved.

As shown in fig. 1 and 3, in some embodiments, the outer end surface of the liquid storage member 1 and the outer end surface of the blocking member 2 are flush planes, so that when the blocking member 2 is rotated to a proper position and the locking protrusion 42 is engaged with the locking groove 41, the blocking member 2 and the liquid storage member 1 are kept flush, so that the outer end surfaces of the liquid storage member 1 and the blocking member 2 form a plane for engaging with other parts of the aerosol generating device. It will be appreciated that in other embodiments the bottom end face of the reservoir 1 and the outer surface of the closure member 2 are not limited to being planar.

As shown in fig. 2 and 3, in some embodiments, the atomizer 100 further includes a sealing member 3 with elasticity and sealing property, the sealing member 3 is made of rubber, the sealing member 3 is connected to the liquid storage member 1 and abuts against the liquid injection hole 12, and the sealing member 3 is provided with a puncture opening 31 opposite to the liquid injection hole 12. When a force is applied to the puncture opening 31, the sealing element 3 can be elastically deformed to open the puncture opening 31, so that the liquid injection hole 12 is opened, the aerosol-forming substrate can be conveniently injected into the liquid storage cavity 11, and the puncture opening 31 is automatically restored to a closed state through the elastic restoration action of the sealing element 3 in a free state, so that the sealing element 3 independently forms a seal for the liquid injection hole 12, and on one hand, the sealing effect of the liquid injection hole 12 is improved; on the other hand, when the plugging member 2 does not shield the liquid injection hole 12, the liquid injection hole 12 can be timely sealed through the puncture opening 31, and scattering and leakage caused by shaking are avoided. In addition, the sealing member 3 is provided with a convex rib 32 in a protruding manner at a position close to the plugging member 2, the convex rib 32 surrounds the periphery of the puncture 31, the convex rib 32 is used for being in sealing contact with the plugging member 2, so that when the plugging member 2 rotates and is shielded on the liquid injection hole 12, the plugging member 2 is in contact with the convex rib 32 and the convex rib 32 generates elastic deformation, the liquid injection hole 12 is more tightly sealed by utilizing the mutual extrusion of the plugging member 2 and the convex rib 32 on the sealing member 3, in addition, the elastic contact of the plugging member 2 and the convex rib 32 on the sealing member 3 causes rotation resistance to the plugging member 2, and the accidental loosening and separation of the plugging member 2 from the liquid injection hole 12 are avoided. The liquid storage member 1 is provided with a receiving groove 141 corresponding to the liquid injection hole 12 for receiving the sealing member 3, more precisely, the receiving groove 141 is provided on the base 14, the sealing member 3 is sealingly fitted in the receiving groove 141, and in order to prevent leakage between the circumferential side of the sealing member 3 and the side wall of the receiving groove 141, as shown in fig. 8, a protruding wall 33 is provided on the circumferential side of the sealing member 3, the protruding wall 33 is sealingly abutted against the side wall of the receiving groove 141, so that the sealing member 3 is pressed against the side wall of the receiving groove 141 by the protruding wall 33 to form an interference fit, a reliable seal is formed between the sealing member 3 and the side wall of the receiving groove 141, and the aerosol-forming substrate is prevented from leaking between the circumferential side of the sealing member 3 and the side wall of the receiving groove 141.

As shown in fig. 8, in some of these embodiments, the puncture 31 is in the form of a cruciform. It will be appreciated that in other embodiments, the puncture opening 31 may also be a straight-line configuration, a quincunx configuration, or the like.

In some embodiments, as shown in fig. 5, a pressure regulating hole 142 is further formed on the liquid storage member 1 near the liquid injection hole 12, and the pressure regulating hole 142 communicates the liquid storage chamber 11 with the external environment to balance the pressure in the liquid storage chamber 11. Therefore, when the aerosol-forming substrate is injected into the reservoir chamber 11 through the injection hole 12, the pressure in the reservoir chamber 11 can be kept in pressure balance with the external environment through the pressure regulating hole 142, and thus the aerosol-forming substrate can be smoothly injected into the reservoir chamber 11. Specifically, the pressure regulating hole 142 is opened at a position on the base 14 close to the liquid injection hole 12, the pressure regulating hole 142 is located in the accommodating groove 141, a protruding portion 143 is convexly provided in the accommodating groove 141 and surrounds the pressure regulating hole 142, a matching hole 34 is provided on the sealing element 3 corresponding to the protruding portion 143, the protruding portion 143 is inserted into the matching hole 34, and the protruding rib 32 surrounds the periphery of the matching hole 34, so that when the plugging element 2 rotates and completely covers the liquid injection hole 12, the plugging element 2 can completely abut against the protruding rib 32, and the plugging element 2 can simultaneously seal the puncture opening 31 and the pressure regulating hole 142; on the other hand, the interference fit between the protuberance 143 and the fitting hole 34 on the sealing member 3 forces the sealing member 3 to expand and deform outward, so as to ensure that the convex wall 33 on the peripheral side of the sealing member 3 is tightly abutted against the side wall of the receiving groove 141.

In some embodiments, the liquid storage component 1 further includes a pin 16, as shown in fig. 6, a mounting hole 21 is formed on the blocking component 2 corresponding to the pin 16, and the pin 16 is inserted into the mounting hole 21 and connected to the liquid storage component 1, so as to rotatably connect the blocking component 2 to the liquid storage component 1. Specifically, the mounting hole 21 is a stepped hole, and the pin 16 is of a T-shaped structure, so that when the pin 16 passes through the mounting hole 21 and is connected with the liquid storage part 1, the blocking part 2 is rotationally matched on the liquid storage part 1. In addition, the rotation axis of the block piece 2 is parallel to the axis of the pouring hole 12. Referring to fig. 4, specifically, the casing 13 is provided with a pin hole 131 corresponding to the pin 16, and the length direction of the pin hole 131 is parallel to the length direction of the liquid injection hole 12, so that the plugging member 2 can rotate relative to the liquid storage member 1 by using the pin 16 as a rotation axis when the plugging member is mounted in place. It will be appreciated that in other embodiments, the pin 16 may also be mounted to the base 14.

It will be appreciated that in other embodiments, not shown, the axis of rotation of the block piece 2 may intersect the axis of the liquid inlet 12, and the plane of the outer edge of the liquid inlet 12 coincides with the plane of movement of the block piece 2, so that the block piece 2 can be rotated to cover the liquid inlet 12 to close the liquid storage chamber 11.

In addition, because the pressing structure 4 presses the plugging member 2 on the liquid storage member 1, when the plugging member 2 rotates to cover the liquid injection hole 12, the clamping groove 41 cooperates with the clamping protrusion 42 to keep the plugging member 2 pressed towards the liquid injection hole 12, so that the plugging member 2 and the convex rib 32 on the sealing member 3 are kept tightly abutted, the liquid injection hole 12 is tightly sealed by the plugging member 2, and the plugging member 2 is not easy to be extruded by the sealing member 3 to be separated from the liquid injection hole 12 on the liquid storage member 1.

In addition, in some embodiments, when the blocking piece 2 rotates to completely shield the liquid injection hole 12, the clamping groove 41 and the clamping protrusion 42 are just matched in place, so that the user can conveniently match the clamping groove 41 and the clamping protrusion 42 in place, the blocking piece 2 is rotated in place, and the operation of the user is simplified. Specifically, the card slot 41 is disposed on the base 14 of the liquid storage component 1.

As shown in fig. 4 and 7, in some embodiments, in order to limit the rotation range of the block piece 2 so that the user can open or close the liquid injection hole 12 quickly, the atomizer 100 further includes a limit structure 5 for limiting the rotation range of the block piece 2. Specifically, the limiting structure 5 is used for stopping the rotation of the blocking piece 2 when the blocking piece 2 rotates to the position where the liquid injection hole 12 is just opened, or when the blocking piece 2 rotates to the position where the liquid injection hole 12 is just covered.

As shown in fig. 4 and 7, in some embodiments, the limiting structure 5 includes a limiting protrusion 51 protruding from the liquid storage member 1 and a limiting groove 52 recessed from the blocking member 2, the limiting groove 52 extends along the moving path of the blocking member 2 and is disposed on the blocking member 2, specifically, the limiting groove 52 is an arc-shaped structure with a center passing through the rotation axis of the blocking member 2, the limiting protrusion 51 is received in the limiting groove 52, so that when the blocking member 2 rotates relative to the liquid storage member 1, the limiting protrusion 51 slides in the limiting groove 52, when the blocking member 2 rotates to just open the liquid injection hole 12, the limiting protrusion 51 moves to one end of the limiting groove 52, and when the blocking member 2 rotates to just cover the liquid injection hole 12, the limiting protrusion 51 moves to the other end of the limiting groove 52. Specifically, the limit projection 51 is provided on the housing 13.

In other embodiments, the limiting structure 5 includes a limiting protrusion 51 protruding from the plugging member 2 and a limiting groove 52 recessed from the liquid storage member 1, the limiting groove 52 extends along the moving path of the plugging member 2 and is disposed on the liquid storage member 1, the limiting protrusion 51 is received in the limiting groove 52, and specifically, the limiting groove 52 is an arc-shaped structure with a center passing through the rotation axis of the plugging member 2.

It should be understood that in another embodiment not shown in the drawings, the limiting groove 52 is not limited to an arc-shaped structure, and only needs to be just abutted against the limiting protrusion 51 when the plugging member 2 is rotated until the liquid injection hole 12 is just opened, or when the plugging member 2 is rotated until the liquid injection hole 12 is just shielded.

As shown in fig. 6, the blocking piece 2 is further provided with an anti-slip structure 23 to increase the contact friction force between the blocking piece 2 and a human hand, specifically, the anti-slip structure 23 is a texture concavely arranged on the surface of the blocking piece 2. It will be appreciated that in other embodiments, the anti-slip structure 23 may be raised ridges, rubber strips with a higher coefficient of friction attached to the closure 2, or other designs that increase the contact friction with the closure 2.

In some embodiments, the atomizer 100 further includes an atomizing core 6 mounted on the liquid storage component 1 and located in the liquid storage cavity 11, and a suction nozzle 7 mounted on the top of the liquid storage component 1, wherein the atomizing core 6 is provided with a liquid inlet 61 communicated with the liquid storage cavity 11, so that the aerosol-forming substrate in the liquid storage cavity 11 penetrates into the atomizing core 6 through the liquid inlet 61, and forms aerosol for inhalation after being heated and atomized by a heat generating component (not shown) in the atomizing core 6. Referring to fig. 2, specifically, the top of the housing 13 is provided with a smoke guide hole 132, and two ends of the atomizing core 6 are respectively connected to the base 14 and the smoke guide hole 132 on the housing 13, so that the aerosol-forming substrate atomized by the atomizing core 6 can flow out from the smoke guide hole 132 for smoking; the mouthpiece 7 is detachably mounted on the top of the housing 13 for mouth contact to suck the aerosol discharged from the smoke guide 132.

In some of these embodiments, the aerosol-forming substrate is a liquid smoke, it being understood that in other embodiments, the aerosol-forming substrate may be a liquid medicine.

The present invention further provides an aerosol generating device, comprising the atomizer 100 provided in any of the above embodiments, wherein the atomizer 100 is activated by an electric drive of a power supply device (not shown) of the aerosol generating device. Since the aerosol generating device has all the technical features of the atomizer 100 provided in any of the above embodiments, the aerosol generating device has the same technical effects as the atomizer 100.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides an atomizer, includes stock solution spare and shutoff piece, its characterized in that: set up the notes liquid hole of intercommunication stock solution chamber on the stock solution spare, the shutoff piece rotationally set up in on the stock solution spare to can seal or open annotate the liquid hole, the atomizer is still held the structure including the pressure, it includes draw-in groove and card protruding to press to hold the structure, rotating the shutoff piece is sealed when annotating the liquid hole, drive the card protruding inlay in the draw-in groove.

2. A nebulizer as claimed in claim 1, wherein: the liquid storage part is provided with a notch suitable for containing the plugging part, the side face of the notch is provided with a curved wall, a matching surface is arranged on one side of the plugging part corresponding to the curved wall, the clamping groove is concavely arranged on the curved wall, the clamping groove is convexly arranged on the matching surface, or the clamping groove is concavely arranged on the matching surface, and the clamping groove is convexly arranged on the curved wall.

3. A nebulizer as claimed in claim 2, wherein: the curved wall is an arc-shaped surface with the circle center passing through the rotation axis of the plugging piece, and the shape of the matching surface is matched with that of the curved wall to form an arc.

4. The nebulizer of claim 1, wherein: the atomizer also comprises a sealing element with elasticity and sealing performance, an accommodating groove suitable for accommodating the sealing element is formed in the liquid storage element corresponding to the liquid injection hole, and the sealing element is installed in the accommodating groove and plugged on the liquid injection hole.

5. The nebulizer of claim 4, wherein: and the sealing piece is provided with a puncture hole opposite to the liquid injection hole.

6. The nebulizer of claim 5, wherein: the sealing member is provided with a convex rib at a position close to the plugging member, and the convex rib surrounds the periphery of the puncture.

7. The nebulizer of claim 1, wherein: the liquid storage piece further comprises a pin shaft, a mounting hole is formed in the blocking piece corresponding to the pin shaft, the pin shaft penetrates through the mounting hole and is connected with the liquid storage piece, and the blocking piece is connected to the liquid storage piece in a rotating mode.

8. The nebulizer of claim 1, wherein: the atomizer still includes the limit structure who is used for restricting the rotation range of shutoff piece.

9. The nebulizer of claim 8, wherein: the limiting structure comprises a limiting protrusion arranged on the liquid storage part in a protruding mode and a limiting groove arranged on the plugging part in a concave mode, and the limiting protrusion is contained in the limiting groove.

10. An aerosol generating device, comprising: the aerosol generating device comprising a nebulizer according to any one of claims 1-9.

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