WO2022061741A1

WO2022061741A1 - Electronic atomizing device

Info

Publication number: WO2022061741A1
Application number: PCT/CN2020/117843
Authority: WO
Inventors: 夏政华; 臧佳栋
Original assignee: 深圳市基克纳科技有限公司
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2022-03-31

Abstract

An electronic atomizing device, comprising an atomizing body (10) having an e-liquid injection hole (12), a first sealing element (40) used for blocking the e-liquid injection hole (12), a locking sleeve (20) installed in the atomizing body (10), and a rotary knob locking column (30) coaxially inserted in the locking sleeve (20). A first locking convex ring (21), a second locking convex ring (22) and a circular accommodating groove (25) are arranged in the locking sleeve (20). A first notch groove part (23) is formed in the first locking convex ring (21), and a second notch groove part (24) is formed in the second notch groove part (22). The rotary knob locking column (30) is provided with a locking protrusion (31), and the positions of the locking protrusion (31), the first notch groove part (23), the second notch groove part (24) and the circular accommodating groove (25) are relatively changed by rotating and lifting the rotary knob locking column (30). Due to the cooperation of the two actions of rotating and lifting, the rotary knob locking column (30) can be taken out of the locking sleeve (20), such that the sealing protection of the first sealing element (40) and the e-liquid injection hole (12) is relieved. Therefore, the difficulty that a child is in contact with the first sealing element (40) and opens the e-liquid injection hole (12) can be effectively increased, and the problem that the liquid medium leaks or is mistakenly eaten is solved.

Description

An electronic atomization device

technical field

The invention relates to the technical field of atomization equipment, in particular to an electronic atomization device.

Background technique

As is well known, an electronic atomizer device is a device that utilizes the heating effect of an electronic heating element to atomize the liquid medium stored therein. In order to facilitate the user to replenish the liquid medium that can be atomized into the device (that is, the liquid storage space), a liquid injection hole is usually provided on the device body; and in order to prevent the leakage of the liquid medium, in the prior art, most Use accessories such as rubber plugs to close or open the injection hole by pulling and plugging. However, after children come into contact with the electronic atomization device, they can easily pull out the rubber plug from the injection hole, which leads to problems such as leakage of liquid medium or even accidental ingestion of liquid medium.

technical problem

The main technical problem to be solved by the present invention is to provide an electronic atomization device, so as to achieve the purpose of preventing the liquid injection hole from being opened by children at will.

technical solutions

An embodiment provides an electronic atomization device, including an atomizing body and a first sealing member, the atomizing body has a liquid injection hole, and the first sealing member blocks the liquid injection hole; it is characterized in that it further includes :

A locking sleeve, the locking sleeve is installed in the atomization body, the locking sleeve is coaxially aligned with the liquid injection hole, and the inner peripheral wall of the locking sleeve is provided with a first locking protrusion and the second locking convex ring, the first locking convex ring and the second locking convex ring are arranged side by side along the axial direction of the locking sleeve, and the first locking convex ring is provided with a second locking convex ring. A notch groove portion, the second locking convex ring is provided with a second notch groove portion, and the first notch groove portion and the second notch groove portion are distributed up and down in the axial direction of the locking sleeve, so The space between the first locking convex ring and the second locking convex ring constitutes an accommodating ring groove;

and

The knob lock post, the inner end of the knob lock post is coaxially inserted into the locking sleeve, the outer end of the knob lock post is exposed to the atomizing body, and the inner end surface of the knob lock post covers the first A sealing member, the peripheral wall of the knob lock post is provided with a locking protrusion, and the locking protrusion is connected to the first notch groove portion, the second notch groove portion and the accommodating ring by rotating and pulling the knob lock post. The relative positions between the slots are changed to realize the unlocking and locking conversion of the knob lock cylinder.

In one embodiment, the peripheral wall of the knob lock post is provided with at least two locking protrusions evenly distributed around the knob lock post, and the number of the first notch grooves and the number of the second notch grooves are the same as the locking protrusions. The number of protrusions is the same; the first notch groove portion is circumferentially and uniformly opened on the first locking convex ring, and the second notch groove portion is circumferentially and uniformly opened on the second locking convex ring.

In one embodiment, the inner peripheral wall of the locking sleeve is also provided with at least one layer of third locking convex rings, and each layer of the third locking convex ring is along the locking sleeve with the second locking convex ring. The axial direction of the pipes is arranged side by side up and down, and each layer of the third locking convex ring is provided with a third notch groove portion, and the third notch groove portion of the two adjacent layers of the third locking convex ring is in the The axial direction of the locking sleeve is dislocated up and down, and the second notch groove portion and the third notch groove portion of the adjacent third locking convex ring are distributed up and down in the axial direction of the locking sleeve. The spaces between the second locking convex ring and the adjacent third locking convex rings and between two adjacent third locking convex rings constitute accommodating ring grooves.

In one embodiment, at least two layers of locking protrusions are arranged on the outer peripheral wall of the knob lock cylinder and are staggered up and down along the axial direction of the knob lock cylinder.

In one embodiment, the atomizing body is provided with a nesting hole and a constricted sleeve part, the constricted sleeve part is formed by extending one end of the nested hole toward the direction of the injection hole, and the constricted sleeve The port surface of the sleeve portion is pressed against the first sealing member, the locking sleeve is coaxially inserted into the nesting hole, and the inner port of the locking sleeve abuts against the opening of the constricted sleeve portion. On the inner peripheral side of the port, the inner end face of the knob lock cylinder covers the constricted sleeve portion.

In one embodiment, it also includes a second sealing member, one end of the second sealing member is fixed in the inner end of the knob locking cylinder, and the other end is inserted into the constricted sleeve portion, the second sealing member seals the shrinkage. Oral cannula.

In one embodiment, the outer end of the knob lock post is provided with a knob convex ring located outside the nesting hole, and the outer diameter of the knob convex ring is larger than the diameter of the nesting hole.

In one embodiment, anti-skid patterns are provided on the peripheral wall of the knob convex ring.

In one embodiment, a non-return slot is provided on the end surface of the first sealing member and located in the liquid injection hole, and the cross-sectional shape of the non-return slot in the extending direction of the first sealing member is triangular-like.

In one embodiment, the first sealing member includes a cover plate part and a plug sleeve part, the cover plate part covers the liquid injection hole, the plug sleeve part is arranged on the inner surface side of the cover plate part, and the plug sleeve part is The non-return slot is arranged on the bottom surface of the cover plate part and is located in the plug sleeve part.

beneficial effect

The electronic atomization device according to the above-mentioned embodiment includes an atomizing body with a liquid injection hole, a first sealing member for blocking the liquid injection hole, a locking sleeve installed in the atomizing body, and a coaxially inserted in the locking sleeve. The knob lock column in the sleeve, the first locking convex ring, the second locking convex ring and the accommodating ring groove are arranged in the locking sleeve, the first locking convex ring is provided with a first notch groove, and the second locking convex The ring is provided with a second notch groove; the knob lock post is provided with a locking protrusion, and by rotating and pulling the knob lock post, the locking protrusion is placed between the first notch groove, the second notch groove and the accommodating ring groove. relative changes in position. Due to the cooperation of the two actions of turning and pulling, the knob lock cylinder can be taken out from the locking sleeve to release the cover protection for the first sealing member and the injection hole; therefore, it can effectively increase children's contact with the first seal. It is difficult to seal and open the injection hole, so as to prevent the leakage of liquid medium or the accidental ingestion of liquid medium due to the accidental opening of the injection hole by children.

Description of drawings

1 is a schematic diagram of the structural assembly of an electronic atomization device according to an embodiment;

2 is a schematic cross-sectional view of the structure of the electronic atomization device of an embodiment in an assembled state;

3 is a schematic diagram of the structural relationship between components at the injection hole of the electronic atomization device of an embodiment;

FIG. 4 is a schematic diagram (1) of an exploded structure of the electronic atomization device of an embodiment;

FIG. 5 is a schematic diagram (2) of a structural decomposition of the electronic atomization device of an embodiment;

6 is a schematic structural diagram of a locking sleeve and a knob locking post of an electronic atomization device according to an embodiment;

7 is a schematic diagram of an axial cross-sectional structure of a locking sleeve of an electronic atomization device according to an embodiment;

In the picture:

10. Atomizing body; 11. Liquid storage chamber; 12. Liquid injection hole; 13. Nesting hole; 14. Narrow sleeve part; 15. Atomizing core; 16. Shell part; 17. Cigarette mouth part; 18 , base part;

20, locking sleeve; 21, first locking convex ring; 22, second locking convex ring; 23, first notch groove part; 24, second notch groove part; 25, accommodating ring groove; 26, The third locking convex ring; 27, the third notch groove;

30. Knob locking column; 31. Locking protrusion; 32. Knob convex ring; 33. Second seal;

40, the first seal; 41, the non-return slot; 42, the cover plate part; 43, the plug sleeve part; 44, the extension part.

Embodiments of the present invention

The present application will be further described in detail below through specific embodiments in conjunction with the accompanying drawings. Wherein similar elements in different embodiments have used associated similar element numbers. In the following embodiments, many details are described so that the present application can be better understood. However, those skilled in the art will readily recognize that some of the features may be omitted under different circumstances, or may be replaced by other elements, materials, and methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by excessive descriptions, and for those skilled in the art, these are described in detail. The relevant operations are not necessary, and they can fully understand the relevant operations according to the descriptions in the specification and general technical knowledge in the field.

Additionally, the features, acts, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. At the same time, the steps or actions in the method description can also be exchanged or adjusted in order in a manner obvious to those skilled in the art. Therefore, the various sequences in the specification and drawings are only for the purpose of clearly describing a certain embodiment and are not meant to be a necessary order unless otherwise stated, a certain order must be followed.

The serial numbers themselves, such as "first", "second", etc., for the components herein are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" and "connection" mentioned in this application, unless otherwise specified, include both direct and indirect connections (connections).

Referring to FIGS. 1 to 6 , an electronic atomization device is provided in an embodiment, including an atomizing body 10, a locking sleeve 20, a knob locking post 30 and a first sealing member 40; wherein:

The atomizing body 10 includes, but is not limited to, the following basic structure, that is, the atomizing core 15 , the housing part 16 , and the mouthpiece part which is arranged on the top end side of the housing part 16 and communicates with the inner space of the housing part 16 17 and the base part 18 arranged on the bottom end side of the casing part 16. After the base part 18 is connected with the casing part 16, a relatively closed cavity can be formed in the casing part 16, and the atomizing core 15 passes through the base part. 18 is assembled in the cavity of the housing part 16 and connected to the mouthpiece part 17, thereby forming the basic structural structure of the atomizing body 10 under an embodiment; For separation, a liquid storage cavity 11 distributed around the atomizing core 15 can be formed in the cavity of the housing part 16; the liquid storage cavity 11 is used to store e-liquid, liquid medicine, physiological saline, liquid extract, etc. liquefied medium.

In one embodiment, a liquid injection hole 12 is provided on the base portion 18, the liquid injection hole 12 communicates with the liquid storage chamber 11, and the first sealing member 40 blocks the liquid injection hole 12, so as to prevent the liquid Medium leakage; in view of the fact that the atomizing body 10 will be docked with the electronic cigarette battery assembly through the base part 18 during use, the liquid injection hole 12 is arranged on the base part 18, and the electronic cigarette battery assembly can be used when the electronic cigarette is in normal use. The parts where the liquid injection hole 12 and the first sealing member 40 are located are structurally hidden, which is beneficial to increase the difficulty for children to find the positions of the first sealing member 40 and the liquid injection hole 12 . In some other embodiments, based on the change or selection of the specific structural form of the atomizing body 10 , the liquid injection hole 12 can also be provided on the top or the peripheral wall of the housing portion 16 , and the liquid injection hole 12 and the liquid storage cavity 11 are connected. Connected.

In one embodiment, please refer to FIG. 2 , FIG. 3 and FIG. 6 , the locking sleeve 20 is inserted into the atomizing body 10 , the locking sleeve 20 is coaxially aligned with the liquid injection hole 12 , and the locking sleeve 20 is A first locking convex ring 21 and a second locking convex ring 22 are arranged on the inner peripheral wall of the locking sleeve. The first locking convex ring 21 and the second locking convex ring 22 are arranged side by side along the axial direction of the locking sleeve 20. Arranged, a first notch groove 23 is formed on the first locking convex ring 21 , a second notch groove 24 is formed on the second locking convex ring 22 , the first notch groove 23 and the second notch groove 24 is distributed up and down in the axial direction of the locking sleeve 20 , and the space between the first locking convex ring 21 and the second locking convex ring 22 forms an accommodating ring groove 25 . The “dislocation distribution” mentioned above can be understood as follows: there is a certain angle between the projection positions of the first notch groove portion 23 and the second notch groove portion 24 on the same plane, such as in the range of 0-360 degrees. any angle.

In other embodiments, a part of the atomizing body 10 (such as the base part 18 or the housing part 16 ) can also be set in the structure of the locking sleeve 20 , so that the locking sleeve 20 can be used as the atomizing body 10 itself. Part of the structure is presented, for example, the locking sleeve 20 and its internal associated structures are directly formed during the design and mold opening process of the atomizing body 10 .

The inner end of the knob lock post 30 is coaxially inserted into the locking sleeve 20 , the outer end of the knob lock post 30 is exposed to the atomizer body 10 (such as the bottom surface of the base portion 18 ), and the inner end of the knob lock post 30 is exposed. The end face covers the first sealing member 40, and a locking protrusion 31 is provided on the peripheral wall of the knob locking column 30. The locking protrusion 31 is used to connect with the first notch groove 23, the accommodating ring groove 25 and the second notch groove The knob 24 is structurally matched, so that the user can control the knob lock post 30 through the two actions of turning and pulling, so as to drive the locking protrusion 31 to connect with the first notch groove 23, the second notch groove 24 and the accommodating The relative position of the ring grooves 25 changes, so as to realize the unlocking and locking conversion of the knob lock cylinder 30; Similar to the structure of the knob type child lock.

More specifically, when the knob lock cylinder 30 is in a state of completely covering the first sealing member 40, the locking protrusion 31 is just between the first locking protrusion ring 21 and the first sealing member 40, which is equivalent to The knob lock post 30 is in the locked state, which realizes the structural concealment and peripheral protection of the part where the first seal 40 and the liquid injection hole 12 are located; in the first step, the user rotates the knob lock post 30 to make the locking protrusion 31 and the After the first notch groove portion 23 is aligned, pull the knob lock post 30 along the axial direction of the locking sleeve 20, so that the locking protrusion 31 can be transferred into the accommodating ring groove 25; the second step, Using the dislocation distribution relationship between the first notch groove portion 23 and the second notch groove portion 24 , rotate the knob locking post 30 to align the locking protrusion 31 with the second notch groove portion 23 , and then follow the direction of the locking sleeve 20 Pulling the knob locking post 30 in the axial direction can cause the locking protrusion 31 to be transferred to the outside of the second locking protrusion ring 22 through the second notch groove portion 23 (ie: the opposite side of the accommodating ring groove 23 or away from the second locking protrusion 23 ). (one side of the first locking convex ring 22), so that the knob locking cylinder 30 can be finally taken out from the locking sleeve 20, and finally the user can pass the liquid injection hole 12 to the liquid storage through the operation of the first sealing member 40. The cavity 11 is filled with liquid. On the one hand, the knob lock cylinder 30 can be taken out from the locking sleeve 20 because the knob lock cylinder 30 has to be rotated and pulled for many times, so that the first seal 40 and the first sealing member 40 can be released. The cover of the liquid injection hole 12 is protected (ie: unlocked), so that the part where the first sealing member 40 is located is exposed; therefore, it can effectively increase the difficulty for children to contact the first sealing member 40 to open the liquid injection hole 12, and prevent the The liquid hole 12 is opened at will by children, which leads to problems such as leakage of the liquid medium or accidental ingestion of the liquid medium. On the other hand, the cooperation of the knob lock post 30 and the locking sleeve 20 can form a hidden protective structure for the first sealing member 40 and the location of the injection hole 12, which not only increases the number of children looking for the injection hole 12 or the first seal The difficulty of the component 40 is reduced, and the anti-leakage effect of the liquid medium of the atomizer can also be further enhanced by adding a sealing member between the knob lock post 30 itself or between the knob lock post 30 and the first sealing member 40 .

In one embodiment, please refer to FIG. 2 , FIG. 3 and FIG. 6 , at least two locking protrusions 31 evenly distributed around the knob locking post 30 are provided on the peripheral wall of the knob locking post 30 . The number of 23 and the number of the second notch grooves 24 are the same as the number of the locking protrusions 31; the first notch grooves 23 are circumferentially and evenly opened on the first locking convex ring 24 is circumferentially and evenly opened on the second locking convex ring 22 . By selecting the number and distribution of the locking projections 31, the contact area between the locking projections 31 and the first locking projection ring 21 and the second locking projection ring 22 can be effectively increased. 30 shakes during rotation or pulling to ensure the stability and compactness of the structural combination between the associated components; at the same time, according to the number and arrangement of the locking protrusions 31, the corresponding first notch grooves are set 23 and the second notch groove portion 24 can provide a matching channel for the position transfer of the locking protrusion 31 in the locking sleeve 20 .

In one embodiment, please refer to FIG. 7 , at least one layer of third locking convex rings 26 is also provided on the inner peripheral wall of the locking sleeve 20 , and each layer of the third locking convex ring 26 is connected with the second locking convex ring. The rings 22 are arranged side by side along the axial direction of the locking sleeve 20, and each third locking convex ring 26 is provided with a third notch groove 27. The third notch grooves 27 are distributed up and down in the axial direction of the locking sleeve 20 . The axial direction of the 20 is dislocated up and down, and the spaces between the second locking convex ring 22 and the adjacent third locking convex rings 26 and between two adjacent third locking convex rings 26 constitute a container. Set the ring groove 25. Based on the fact that non-children users can easily grasp the operation principle of unlocking and locking the atomizer, the number of the locking convex rings can be increased in the axial direction of the locking sleeve 20 by adding the third locking convex ring 26, and then it is necessary to complete the The two actions of rotating and pulling more times can completely remove the knob lock cylinder 30 from the locking sleeve 20; this will undoubtedly further increase the difficulty of children's operation, and ensure that children will not easily touch the first A seal 41 and open the injection hole 12 at will.

In one embodiment, based on the increase in the number of locking convex rings, at least two layers of locking protrusions 31 can be arranged on the outer peripheral wall of the knob locking column 30 in a staggered distribution up and down along the axial direction of the knob locking column 30 at the same time. The difficulty of unlocking the knob lock post 30 is increased by matching the locking convex ring.

In one embodiment, please refer to FIG. 3 , FIG. 4 and FIG. 5 , the atomizing body 10 is provided with a nesting hole 13 and a constricted sleeve part 14 , and the constricted sleeve part 14 is directed from one end of the nesting hole 13 to After the injection hole 12 is extended in the direction, the port surface of the constricted sleeve portion 14 is pressed against the first sealing member 40, the locking sleeve 20 is coaxially inserted into the nesting hole 13, and the locking sleeve is The inner port of 20 abuts against the inner peripheral side of the port of the constricted sleeve portion 14 , and the inner end face of the knob lock cylinder 30 covers the constricted sleeve portion 14 . The set nesting hole 13 provides a structural assembly space for the locking sleeve 20, so that it can be structurally combined with the atomizing body 10 in a detachable manner; A constricted structure is formed between the part 40 and the knob lock post 30, which can not only enhance the concealment effect of the first sealing part 40 and the liquid injection hole 12, but also avoid the direct contact between the knob lock post 30 and the first sealing part 40. Therefore, unnecessary wear of the knob lock post 30 to the first sealing member 40 is prevented after long-term use.

Referring to FIGS. 2 to 5 , an electronic atomization device provided by an embodiment further includes a second sealing member 33 , one end of the second sealing member 33 is fixed in the inner end of the knob lock post 30 , and the other end is inserted Installed in the constricted sleeve portion 14 , the second sealing member 33 seals the constricted sleeve portion 14 . By using the second sealing member 33 to block the constricted sleeve portion 14 , a sealing structure can be further formed on the periphery of the first sealing member 40 or the liquid injection hole 12 to prevent the occurrence of liquid state due to accidental damage of the first sealing member 40 , etc. The problem of medium leakage.

In one embodiment, please refer to FIG. 1 to FIG. 6 , the outer end of the knob lock post 30 is provided with a knob ring 32 located outside the nesting hole 13 , and the outer diameter of the knob ring 32 is larger than the diameter of the nesting hole 13 . , the use of the knob convex ring 32 can facilitate the user to rotate or pull the knob lock post 30 from the bottom side of the atomizing body 10 . In some embodiments, anti-skid patterns can be provided on the peripheral wall of the knob convex ring 32, and the anti-skid patterns can be in the form of a convex edge, a convex point, a concave point, etc., in order to increase the friction between the knob convex ring 32 and the user's finger. to enhance user convenience.

In one embodiment, please refer to FIG. 2 and FIG. 3 , the end surface of the first sealing member 40 and located in the liquid injection hole 12 is provided with a non-return slot 41 , and the non-return slot 41 extends on the first sealing member 40 . The cross-sectional shape in the direction is triangular-like. The non-return slot 41 can be used to form a structure gap similar to the internal size and the external small size on the first sealing member 41 to prevent leakage of the liquid medium stored in the liquid storage chamber 11 . In one embodiment, the non-return slot 41 may be present on the end surface of the first sealing member 40 in the form of a groove similar to a long strip, or may be presented in a form similar to a conical groove or a cross-shaped groove body on the end face of the first seal 40 . In addition, during liquid injection, it is not necessary to pull out the second sealing member 40 from the liquid injection hole 12 , and the liquid medium can be directly injected into the liquid storage chamber 11 by injection through foreign objects. In this embodiment, the first sealing member 40 can be made of materials such as silica gel to enhance the function of the first sealing member 40 by utilizing the flexibility, certain tension and corrosion resistance of the silica gel material.

In one embodiment, please refer to FIGS. 2 to 5 , the first sealing member 40 includes a cover plate portion 42 and a plug sleeve portion 43 , the cover plate portion 42 covers the liquid injection hole 12 , and the plug sleeve portion 43 is disposed on the cover plate portion 42 . On the inner surface side of the cover, the plug sleeve portion 43 is inserted into the liquid injection hole 12 , and the non-return slot 41 is provided on the bottom surface of the cover plate portion 42 and located in the plug sleeve portion 43 . With the cooperation of the cover plate part 42 and the plug sleeve part 43 , not only can the liquid injection hole 11 be blocked and covered, but also the entire first sealing member 40 can be stably assembled on the atomizing body 10 to prevent the A seal 40 is accidentally dislodged. In some embodiments, the extension parts 44 distributed around the cover plate part 42 can be formed by expanding the area of the cover plate part 42 and changing the structure of the local area of the cover plate part 42 , and using the extension parts 44 as the shell of the atomizing body 10 A seal between the part 16 and the base part 18, thereby minimizing the structural gap between the components of the atomizing body 10, so as to form a relatively closed internal cavity.

The above specific examples are used to illustrate the present invention, which are only used to help understand the present invention, and are not intended to limit the present invention. For those skilled in the art to which the present invention pertains, according to the idea of the present invention, several simple deductions, modifications or substitutions can also be made.

Claims

An electronic atomization device, comprising an atomizing body and a first sealing member, wherein the atomizing body has a liquid injection hole, and the first sealing member blocks the liquid injection hole; it is characterized in that, further comprising:

A locking sleeve, the locking sleeve is installed in the atomization body, the locking sleeve is coaxially aligned with the liquid injection hole, and the inner peripheral wall of the locking sleeve is provided with a first locking protrusion and the second locking convex ring, the first locking convex ring and the second locking convex ring are arranged side by side along the axial direction of the locking sleeve, and the first locking convex ring is provided with a second locking convex ring. A notch groove portion, the second locking convex ring is provided with a second notch groove portion, and the first notch groove portion and the second notch groove portion are distributed up and down in the axial direction of the locking sleeve, so The space between the first locking convex ring and the second locking convex ring constitutes an accommodating ring groove;

and

The knob lock post, the inner end of the knob lock post is coaxially inserted into the locking sleeve, the outer end of the knob lock post is exposed to the atomizing body, and the inner end surface of the knob lock post covers the first A sealing member, the peripheral wall of the knob lock post is provided with a locking protrusion, and the locking protrusion is connected to the first notch groove portion, the second notch groove portion and the accommodating ring by rotating and pulling the knob lock post. The relative positions between the slots are changed to realize the unlocking and locking conversion of the knob lock cylinder.
The electronic atomization device according to claim 1, wherein at least two locking protrusions evenly distributed around the knob locking column are provided on the peripheral wall of the knob locking column, and the number of the first notch grooves is and the number of the second notch grooves are the same as the number of locking protrusions; the first notch grooves are circumferentially and uniformly opened on the first locking convex ring, and the second notch grooves are circumferentially and uniformly It is opened on the second locking convex ring.
The electronic atomization device according to claim 1, wherein at least one layer of third locking convex rings is further provided on the inner peripheral wall of the locking sleeve, and each layer of the third locking convex ring is The second locking convex ring and the second locking convex ring are distributed side by side along the axial direction of the locking sleeve, and each layer of the third locking convex ring is provided with a third notch groove, and two adjacent layers of the third locking convex ring The third notch groove portion of the locking convex ring is distributed up and down in the axial direction of the locking sleeve, and the second notch groove portion is locked with the third notch groove portion of the adjacent third locking convex ring. The axial direction of the sleeve is dislocated up and down, and the spaces between the second locking convex ring and the adjacent third locking convex rings and between two adjacent third locking convex rings constitute a container. Set the ring groove.
The electronic atomizer device according to claim 3, wherein at least two layers of locking protrusions are arranged on the outer peripheral wall of the knob lock cylinder and are staggered up and down along the axial direction of the knob lock cylinder.
The electronic atomization device according to claim 1, wherein a nesting hole and a constricted sleeve part are opened on the atomizing body, and the constricted sleeve part is injected with liquid from one end of the nesting hole It is formed after extending in the direction of the hole, the port surface of the constricted sleeve portion is pressed against the first sealing member, the locking sleeve is coaxially inserted into the nesting hole, and the locking sleeve is The inner port abuts against the inner peripheral side of the port of the constricted sleeve part, and the inner end face of the knob lock cylinder covers the constricted sleeve part.
The electronic atomization device according to claim 5, further comprising a second sealing member, one end of the second sealing member is fixed in the inner end of the knob lock cylinder, and the other end is inserted into the constricted sleeve In the inner part, the second seal blocks the necked sleeve part.
The electronic atomizer device according to claim 5, wherein the outer end of the knob lock post is provided with a knob convex ring located outside the nesting hole, and the outer diameter of the knob convex ring is larger than the nesting hole aperture.
The electronic atomization device according to claim 7, wherein anti-skid patterns are provided on the peripheral wall of the knob convex ring.
The electronic atomization device according to any one of claims 1 to 8, wherein a non-return slot is provided on the end surface of the first sealing member and located in the liquid injection hole, and the non-return The cross-sectional shape of the slot in the extending direction of the first sealing element is triangular-like.
The electronic atomizer device according to claim 9, wherein the first sealing member comprises a cover plate part and a plug sleeve part, the cover plate part covers the liquid injection hole, and the plug sleeve part is provided on the cover On the inner surface side of the plate portion, the plug sleeve portion is inserted into the liquid injection hole, and the non-return slot is provided on the bottom surface of the cover plate portion and located in the plug sleeve portion.