CN113455721A - Electronic atomizer - Google Patents

Abstract

The application relates to an electronic atomizer, which comprises a cigarette rod and a cigarette bullet arranged at one end of the cigarette rod, wherein the cigarette rod is connected with a silica gel sleeve in a sliding manner along the axial direction of the cigarette rod, the inner diameter of the silica gel sleeve is larger than that of the cigarette bullet, one end of the silica gel sleeve is integrally formed with two shielding parts which are symmetrically arranged by taking the cigarette bullet as a center, the shielding parts are in the shape of a semicircular arc sheet, one side edge of each shielding part is provided with an arc-shaped strip-shaped elastic sheet, and the concave cambered surfaces of the two elastic sheets are oppositely arranged; when the elastic sheet is deformed and unfolded into a straight strip shape, the elastic sheet is bent along the width direction of the elastic sheet, the two shielding parts are deformed to surround the smoke cartridge, and the outer convex surfaces of the two elastic sheets are close to and abutted against each other. This application utilizes the bending deformation of shell fragment through setting up occlusion part and shell fragment to drive the occlusion part and surround the cigarette bullet, and the shell fragment blocks the opening that occlusion part formed, thereby effectively protects the cigarette bullet, takes place with the condition that reduces outside impurity and is infected with on the cigarette bullet.

Description

Electronic atomizer

Technical Field

The present application relates to an electronic atomizer.

Background

The electronic atomizer is used as a smoke replacing product and gradually enters the sight of people in recent years, and the main realization principle is that the nicotine-containing tobacco tar is atomized into smoke through the electronic smoke atomizer, so that the sensory experience of simulating smoking is achieved. Compared with the traditional tobacco products, the electronic atomizer as a substitute can effectively reduce harmful substances generated by combustion, and further reduce harmful side effects of smoking.

For example, chinese patent No. CN110226780A discloses an electronic atomizer device, comprising: the electronic atomizer comprises an electronic atomizer device main body and an electronic atomizer, wherein the electronic atomizer is connected to the electronic atomizer device main body in a pluggable manner; the electronic atomizer device body is also referred to as a tobacco rod and the electronic atomizer is also referred to as a cartridge.

In view of the above-mentioned related art, the inventors believe that the surface of the cartridge is vulnerable to bacteria or dust after a long period of time, such as when an electronic atomizer is placed in a pocket or exposed to the air for a long period of time; therefore, when a user sucks the cigarette through the suction nozzle of the cigarette bullet, contaminants on the surface of the cigarette bullet easily enter the human body from the oral cavity, and the human health is damaged.

Disclosure of Invention

In order to reduce contaminants on the surface of a cartridge, the present application provides an electronic atomizer.

The application provides an electronic atomizer adopts following technical scheme:

an electronic atomizer comprises a cigarette rod and a cigarette bullet arranged at one end of the cigarette rod, wherein the cigarette rod is connected with a silica gel sleeve in a sliding manner along the axial direction of the cigarette rod, the inner diameter of the silica gel sleeve is larger than that of the cigarette bullet, one end of the silica gel sleeve is integrally formed with two shielding parts which are symmetrically arranged by taking the cigarette bullet as a center, the shielding parts are in a semi-circular arc sheet shape, one side edge of each shielding part is provided with an arc-shaped strip-shaped elastic sheet, and the concave cambered surfaces of the two elastic sheets are oppositely arranged; when the elastic sheet is deformed and unfolded into a straight strip shape, the elastic sheet is bent along the width direction of the elastic sheet, the two shielding parts are deformed to surround the smoke cartridge, and the outer convex surfaces of the two elastic sheets are close to and abutted against each other.

By adopting the technical scheme, in a normal state, the silica gel sleeve slides to ensure that the shielding part moves to the position corresponding to the smoke bomb, the shape of the elastic sheet is consistent with that of the shielding part and is in a semicircular arc shape, then the convex arc surfaces of the two elastic sheets are pressed simultaneously to enable the two elastic sheets to move close to each other, the elastic sheets deform and expand to be in a straight strip shape, the deformation of the elastic sheets drives the shielding part to deform, the deformation of the shielding part drives the elastic sheets to move, the two elastic sheets are abutted against each other to seal the opening formed by the two shielding parts, and therefore the smoke bomb is effectively protected, and the occurrence of the situation that external impurities are infected on the smoke bomb is reduced; when needs suck, can press the tip of shell fragment simultaneously for the shell fragment resumes deformation, and the shape of shell fragment is unanimous with the occlusion part promptly, all is the semicircle arcuation, then slides the occlusion part, makes the cigarette bullet expose, so that the user inhales convenient and fast.

Optionally, the cigarette rod is provided with a sliding cavity, the silica gel sleeve is connected with the sliding cavity in a sliding manner, a first magnetic block is arranged in the sliding cavity, the silica gel sleeve is provided with a magnetic ring, and when the magnetic ring is magnetically connected with the first magnetic block, the silica gel sleeve and the shielding part are both located in the sliding cavity.

By adopting the technical scheme, the silica gel sleeve is magnetically connected with the tobacco rod, so that the position stability of the silica gel sleeve relative to the tobacco rod is ensured, and the situation that the silica gel sleeve is accidentally separated from the tobacco rod is reduced; and the silica gel cover can be dismantled, because the structure that silica gel cover and shielding part combined is the cavity structure of running through, consequently easily dismantle and wash to ensure the cleanliness.

Optionally, a second magnetic block is further arranged in the sliding cavity, and when the shielding part is in a surrounding state, the magnetic ring and the second magnetic block are fixed in a magnetic attraction manner; when the elastic sheet moves to a position corresponding to the middle of the cigarette cartridge, the magnetic force of the second magnetic block to the magnetic ring is larger than the magnetic force of the first magnetic block to the magnetic ring.

By adopting the technical scheme, the position of the shielding part in a closed state is ensured to be stable through the magnetic attraction of the magnetic ring and the second magnetic block; and utilize the magnetic force of second magnetic path to the magnetic ring for the slip of silica gel cover has resettable power, thereby in intermittent type nature smoking in-process, can temporarily drop shielding part, and the cigarette holder position of outer dew cigarette bullet is smoked, and when not smoking temporarily, can loosen shielding part, utilize the magnetic force of second magnetic path to the magnetic ring, make shielding part reset again in order to shelter from the cigarette holder position of cigarette bullet, thereby when guaranteeing not smoking temporarily, shielding part can protect the cigarette holder.

Optionally, a covering part for covering and adhering to the surface of the elastic sheet is integrally formed on one side edge of the shielding part, and a plurality of convex teeth arranged at intervals along the length of the elastic sheet are convexly constructed on the surface of the covering part opposite to the other covering part; when the elastic sheet is deformed and unfolded to be in a straight strip shape, the plane where each convex tooth is located is perpendicular to the plane passing through the axis of the silica gel sleeve, and the convex teeth on the two coating parts are arranged in a staggered and meshed mode.

By adopting the technical scheme, the two cladding parts can be limited along the length direction of the two cladding parts through the mutually meshed convex teeth, so that the situation that the elastic sheets are staggered along the length direction of the elastic sheets due to external force is reduced, and the enclosure stability is ensured; in addition, the relative area of the convex teeth in the occlusion state is larger, so that the mutual limiting effect of the convex teeth is stronger, and larger external force along the length direction of the elastic sheet can be borne, thereby greatly improving the stability of the abutting state of the elastic sheet; and, the shell fragment is by the half circular arc shape to the straight banding in-process, the motion trail of dogtooth is complicated pitch arc, therefore the dogtooth of both sides is in the in-process of interlock gradually, slowly becomes the face contact by the point contact, the interlock of dogtooth is inseparable gradually, consequently through this interlock mode for the interlock of dogtooth is comparatively realized easily, with the reduction interlock in-process the condition that appears scurrying the tooth or leak the tooth takes place, has effectively ensured to surround stability.

Optionally, each of the teeth is divided into two groups, and the two groups of teeth are symmetrically arranged along the width direction of the elastic sheet.

By adopting the technical scheme, the occlusion quantity can be further improved so as to improve the enclosure stability.

Optionally, a convex point is convexly constructed on one side of the end part of the convex tooth, which is away from the axis of the silica gel sleeve, and a track groove matched with the moving track of the convex point of the other coating part is formed in the side surface of the convex tooth; in the process that the elastic sheet is changed into a straight strip shape from a semi-circular arc shape, the salient points move along with the deformation of the elastic sheet, and the salient points gradually move and are inserted into the track grooves.

Through adopting above-mentioned technical scheme, through the cooperation in bump and orbit groove, can further restrict the degree of freedom that the dogtooth declutched, when dragging the shielding part opening along the shell fragment relative direction promptly, the bump can effectively block this direction dragging force with the cooperation in orbit groove to effectively improve and surround stability, thereby reduce the condition emergence that leads to two shell fragments to break away from because of external force.

And the bump is made the motion along with the deformation of shell fragment, the motion orbit of bump is complicated pitch arc, therefore both sides dogtooth is at the in-process of interlock gradually, the bump inserts the orbit inslot along complicated pitch arc orbit gradually, and because the restriction in orbit groove, when consequently needing to break away from the orbit groove with the bump, the bump need move according to original complicated pitch arc orbit and just can break away from the orbit groove, and then, only let the shell fragment deformation reset in order to let the shell fragment according to original orbit motion, just can make the bump break away from the orbit groove smoothly, consequently only exert the effort along shell fragment length direction simultaneously to the both ends of shell fragment and just can ensure that the shell fragment deformation resets, consequently showing the uniqueness that has increased the shell fragment and has thrown off, thereby it takes place to reduce the condition that the shell fragment received unexpected external force and throw off greatly, with effectively improving and enclose stability.

Optionally, a first V-shaped groove is formed in the surface of one of the covering portions opposite to the other covering portion, and two patches for respectively attaching to two groove walls of the first V-shaped groove are protruded from the surface of the other covering portion.

Through adopting above-mentioned technical scheme, through the laminating of the cell wall in paster and first V type groove, can increase the leakproofness of two cladding looks butts to play good dirt-proof effect, and still improved and encircled stability.

Optionally, the first V-shaped groove is located at the center of the cladding in the width direction; the surface of the coating part where the patches are located is provided with a second V-shaped groove which is opposite to the first V-shaped groove, the depth of the second V-shaped groove is larger than that of the first V-shaped groove, and the patches are respectively located on two groove walls of the second V-shaped groove.

Through adopting above-mentioned technical scheme, when the shell fragment was deformed to the vertical stripe by semicircle arcuation, second V type groove will be along with it deformation, and its opening grow promptly drives two pasters and keeps away from the removal each other, and the paster is laminated on the cell wall in first V type groove more firmly, has effectively improved and has encircled the leakproofness.

Optionally, a PVC electrostatic coating is sprayed on the groove wall of the first V-shaped groove.

Through adopting above-mentioned technical scheme, PVC electrostatic coating utilizes static adsorption on the surface of paster to improve the laminating compactness of paster and the cell wall in first V type groove, effectively improved and encircled the leakproofness.

Optionally, the free side of the patch is provided with rounded corners.

Through adopting above-mentioned technical scheme to in the paster removes the in-process and stretches into first V type groove.

In summary, the present application includes at least one of the following beneficial technical effects:

by arranging the shielding part and the elastic sheet, the shielding part is driven to surround the smoke bomb by utilizing the bending deformation of the elastic sheet, and the opening formed by the shielding part is blocked by the elastic sheet, so that the smoke bomb is effectively protected, and the condition that external impurities are polluted on the smoke bomb is reduced;

through the occlusion of the convex teeth and the matching of the convex points and the track grooves, the occurrence of the situation that the elastic sheets are dislocated and separated due to external force is reduced, the uniqueness of the separation of the elastic sheets is obviously increased, and the enclosure stability is ensured;

through the laminating of the cell wall in paster and first V type groove, can increase the leakproofness of two cladding looks butts to play good dirt-proof effect, and still improved and encircled stability.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an exploded view of the embodiment for showing the connection relationship between the cartridge and the tobacco rod.

Fig. 3 is a partial sectional view showing a state where the silicone sleeve is completely retracted into the slide cavity according to the present embodiment.

Fig. 4 is a schematic view for showing a state where the shielding portion protrudes out of the slide chamber according to the present embodiment.

Fig. 5 is a schematic structural diagram of the elastic sheet of the embodiment.

Fig. 6 is a schematic diagram of the present embodiment for showing the closing state of the shielding portion.

Fig. 7 is a schematic diagram for showing the matching relationship between the patch and the first V-shaped groove in the embodiment.

Fig. 8 is a partially enlarged view of a portion a in fig. 4.

Fig. 9 is a partial enlarged view at B in fig. 6.

Description of reference numerals: 1. a silica gel sleeve; 2. a shielding portion; 3. a covering part; 4. a spring plate; 5. a convex tooth; 10. a tobacco rod; 101. an accommodating cavity; 102. a slide chamber; 103. a first magnetic block; 104. a second magnetic block; 11. a magnetic coil; 20. a smoke cartridge; 21. a wedge-shaped notch; 31. a first V-shaped groove; 32. a second V-shaped groove; 33. pasting a piece; 51. salient points; 52. a track groove.

Detailed Description

The present application is described in further detail below with reference to figures 1-9.

The embodiment of the application discloses an electronic atomizer. Referring to fig. 1 and 2, the electronic atomizer comprises a tobacco rod 10 and a cartridge 20; the tobacco rod 10 is cylindrical, and tobacco rod 10 embeds there is battery and circuit, and the one end of tobacco rod 10 is equipped with holding chamber 101, and the cigarette bullet 20 embeds there is tobacco tar and atomizing core, and the cigarette bullet 20 is located holding chamber 101, and the atomizing core of cigarette bullet 20 is connected with the circuit plug of tobacco rod 10.

The atomizing core is energized to heat the tobacco tar within the cartridge 20 to produce a smoke for a user to inhale through the mouthpiece of the cartridge 20; and the cartridge 20 is magnetically connected with the cigarette rod 10, and the cartridge 20 can be detached and replaced, so that a user can replace the cartridge 20 with a different flavor or supplement a new cartridge 20.

As shown in fig. 3, the cigarette rod 10 is provided with an annular sliding cavity 102, the sliding cavity 102 is coaxially arranged with the cigarette rod 10, the sliding cavity 102 is provided with an opening located at the end of the cigarette rod 10, an annular silica gel sleeve 1 is arranged in the sliding cavity 102, and the silica gel sleeve 1 and the sliding cavity 102 are connected in a sliding manner along the axial direction of the cigarette rod 10; the silicon rubber sleeve 1 is fixed with a magnetic ring 11, a first magnetic block 103 is arranged at the bottom of a sliding cavity 102, a second magnetic block 104 is arranged at an opening of the sliding cavity 102, the mass of the second magnetic block 104 is larger than that of the first magnetic block 103, and the first magnetic block 103 and the second magnetic block 104 can be magnetically attracted with the magnetic ring 11.

As shown in fig. 4, the end of the silica gel sleeve 1 is integrally formed with two shielding portions 2 extending along the self axial direction, and the two shielding portions 2 are symmetrically arranged by taking the smoke bomb 20 as the center, the shielding portions 2 are semi-arc sheets, the inner concave surfaces of the shielding portions 2 are oppositely arranged, and the side edges of the shielding portions 2 are provided with wedge-shaped notches 21.

A coating part 3 is integrally formed on one side edge of the shielding part 2, which is far away from the silica gel sleeve 1, a strip-shaped elastic sheet 4 is arranged in the coating part 3, and the coating part 3 is used for wrapping the surface of the attached elastic sheet 4; as shown in fig. 5, when the elastic sheet 4 is not deformed, the elastic sheet 4 is in a semicircular arc shape, and the concave cambered surfaces of the two elastic sheets 4 are oppositely arranged; as shown in fig. 6, when the elastic sheet 4 is deformed and unfolded into a straight strip shape, the elastic sheet 4 is bent along the width direction thereof.

In normal state (no smoking), as shown in fig. 4 and 5, the silicone sleeve 1 slides to slide the shielding part 2 out of the sliding cavity 102 and ensure that the shielding part 2 moves to the position corresponding to the cartridge 20, then the magnetic ring 11 is magnetically connected with the second magnetic block 104 to ensure the position stability of the shielding part 2, at this time, the shape of the elastic sheet 4 is consistent with that of the shielding part 2 and is in a semi-circular arc shape, then the convex cambered surfaces of the two elastic sheets 4 are pressed simultaneously, so that the two elastic sheets 4 move close to each other, as shown in fig. 6, at this time, the elastic sheet 4 deforms and expands into a straight strip shape, the deformation of the elastic sheet 4 drives the shielding portion 2 to deform, the deformation of the shielding portion 2 drives the elastic sheet 4 to move integrally, so that the two elastic sheets 4 approach each other, the coating portions 3 at the two sides abut against each other, to seal the opening that two shelters from the portion 2 formed, the shelter from portion 2 surrounds in order effectively to protect cartridge 20 to the condition emergence that external impurity is infected with on the cartridge 20 is reduced.

When needing to suck, as shown in fig. 3, can follow 4 length direction application of force of shell fragment simultaneously in order to press the tip of shell fragment 4 for shell fragment 4 resumes deformation, and the shape of shell fragment 4 resumes to unanimous with occlusion part 2 promptly, all is the semicircle form, then slides occlusion part 2, makes occlusion part 2 and silica gel cover 1 all slide and retract, and the magnetic ring 11 and the first magnetic path 103 magnetism on the silica gel cover 1 are inhaled, then makes cigarette bullet 20 expose, so that the user inhales, convenient and fast.

When the cigarette is smoked intermittently, namely, when the user stays for a period of time after smoking one mouth and then sucks the next mouth, the shielding part 2 can be temporarily removed to expose the position of the cigarette holder of the cigarette cartridge 20 for smoking, at the moment, the shielding part 2 is positioned at the position corresponding to the middle part of the cigarette cartridge 20, and the magnetic force of the second magnetic block 104 on the magnetic ring 11 is greater than the magnetic force of the first magnetic block 103 on the magnetic ring 11, namely, the magnetic force of the second magnetic block 104 forces the silica gel sleeve 1 to move upwards, so that when the user does not smoke temporarily, the shielding part 2 can be loosened, the magnetic force of the second magnetic block 104 on the magnetic ring 11 is utilized, the shielding part 2 is reset again to shield the position of the cigarette holder of the cigarette cartridge 20, and therefore, when the user does not smoke temporarily, the shielding part 2 can protect the cigarette holder.

In order to improve the sealing performance in the surrounding state, as shown in fig. 7, a first V-shaped groove 31 is formed in the surface of one of the coating portions 3 along the length direction thereof, the first V-shaped groove 31 is located at the center of the coating portion 3 in the width direction, an opening of the first V-shaped groove 31 is arranged toward the other coating portion 3, and a PVC electrostatic coating is sprayed on the groove wall of the first V-shaped groove 31; a second V-shaped groove 32 is formed in the surface of the other coating part 3 along the length direction of the coating part, the second V-shaped groove 32 is opposite to the first V-shaped groove 31, and the depth of the second V-shaped groove 32 is larger than that of the first V-shaped groove 31; the two groove walls of the second V-shaped groove 32 are integrally provided with patches 33, the patches 33 are arranged with the same length as the coating part 3, and the free side of each patch 33 is provided with a round angle.

When the two side coating parts 3 are closed, the patch 33 of one side coating part 3 is inserted into the first V-shaped groove 31 of the other side coating part 3 along the trend, and the patch 33 is attached to the groove wall of the first V-shaped groove 31 and is subjected to electrostatic adsorption, so that the abutting tightness of the two coating parts 3 is effectively improved.

And when the shell fragment 4 by the semicircle arc shape deformation to straight banding in-process, second V type groove 32 will be deformed thereupon, and the opening grow in second V type groove 32 drives two pasters 33 and keeps away from the removal each other for paster 33 more firmly laminates on the cell wall in first V type groove 31, has further improved and has encircled the leakproofness.

In order to improve the connection strength and stability in the surrounding state and reduce the occurrence of the disengagement of the cladding parts 3 at the two sides due to external force, the following arrangement is made, as shown in fig. 8 and 9, two sets of convex teeth 5 are integrally formed on the surface of the cladding part 3 opposite to the other cladding part 3, the two sets of convex teeth 5 are symmetrically arranged along the width direction of the cladding part 3, one set of convex teeth 5 comprises a plurality of convex teeth 5 which are equidistantly arranged along the length direction of the cladding part 3, the convex teeth 5 are positioned at the two sides of the cladding part 3 in the length direction, and the distance between two adjacent convex teeth 5 is greater than or equal to the thickness of a single convex tooth 5.

As shown in fig. 8, a convex point 51 is protruded from one side of the end of the convex tooth 5 away from the axis of the silicone sleeve 1, and a track groove 52 adapted to the moving track of the convex point 51 of the other cladding part 3 is arranged on the side surface of the convex tooth 5.

As shown in fig. 9, in the process that the elastic sheet 4 is deformed from a semicircular arc shape to a straight strip shape, the convex teeth 5 on both sides are gradually close to each other and gradually engaged with each other, and in the process, the point contact between the convex teeth 5 is gradually changed into surface contact, that is, the engagement of the convex teeth 5 is gradually tight, until the elastic sheet 4 is completely deformed to the straight strip shape, the convex teeth 5 on both sides are completely engaged, and the plane where each convex tooth 5 is located is perpendicular to the surface passing through the axis of the silica gel sleeve 1, at this time, the engagement stability of the convex teeth 5 is strong, and the occurrence of the condition that the coating part 3 is dislocated along the length direction of the coating part due to external force can be effectively reduced, so that the connection strength and the stability under the surrounding state are improved.

Moreover, in the process that the elastic sheet 4 is deformed from a semi-circular arc shape to a straight strip shape, the salient points 51 move along with the deformation of the elastic sheet 4, the movement track of the salient points 51 is a complex arc line, so that the salient points 51 are gradually inserted into the track grooves 52 along the complex arc track in the process that the convex teeth 5 on the two sides are gradually occluded, and due to the limitation of the track grooves 52, when the salient points 51 are required to be separated from the track grooves 52, the salient points 51 can be separated from the track grooves 52 only by resetting and moving according to the original complex arc track, therefore, the separation of the salient points 51 can be removed only by applying the acting force along the length direction of the elastic sheet 4 to the two ends of the elastic sheet 4 at the same time, so that the uniqueness of the separation of the elastic sheet 4 caused by the unexpected external force is greatly reduced, so as to effectively improve the stability of the enclosure.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. The utility model provides an electronic atomizer, includes tobacco rod (10) and locates cigarette bullet (20) of tobacco rod (10) one end, its characterized in that: the cigarette rod (10) is connected with a silica gel sleeve (1) in a sliding mode along the axial direction of the cigarette rod, the inner diameter of the silica gel sleeve (1) is larger than that of the cigarette bullet (20), two shielding parts (2) which are symmetrically arranged by taking the cigarette bullet (20) as a center are integrally formed at one end of the silica gel sleeve (1), the shielding parts (2) are in a semi-circular arc sheet shape, an arc-shaped strip-shaped elastic sheet (4) is arranged on one side edge of each shielding part (2), and the concave arc surfaces of the two elastic sheets (4) are arranged oppositely; when the elastic sheet (4) deforms and expands to be in a straight strip shape, the elastic sheet (4) is in a bent shape along the width direction of the elastic sheet, the two shielding parts (2) deform to surround the smoke cartridge (20), and the outer convex surfaces of the two elastic sheets (4) are close to and abutted against each other.

2. The electronic atomizer of claim 1, wherein: the cigarette rod (10) is equipped with smooth chamber (102), silica gel cover (1) slides with smooth chamber (102) and is connected, be equipped with first magnetic path (103) in smooth chamber (102), silica gel cover (1) is equipped with magnetic ring (11), works as magnetic ring (11) with when first magnetic path (103) magnetism is inhaled and is connected, silica gel cover (1) with shielding part (2) all are located in smooth chamber (102).

3. The electronic atomizer of claim 2, wherein: a second magnetic block (104) is further arranged in the sliding cavity (102), and when the shielding part (2) is in a surrounding state, the magnetic ring (11) and the second magnetic block (104) are fixed in a magnetic attraction manner; when the elastic sheet (4) moves to a position corresponding to the middle of the smoke cartridge (20), the magnetic force of the second magnetic block (104) to the magnetic coil (11) is larger than the magnetic force of the first magnetic block (103) to the magnetic coil (11).

4. The electronic atomizer of claim 1, wherein: a coating part (3) for coating and adhering to the surface of the elastic sheet (4) is integrally formed on one side edge of the shielding part (2), and a plurality of convex teeth (5) distributed at intervals along the length of the elastic sheet (4) are convexly constructed on the surface of the coating part (3) opposite to the other coating part (3); when the elastic sheet (4) deforms and expands to be in a straight strip shape, the plane where each convex tooth (5) is located is perpendicular to the plane passing through the axis of the silica gel sleeve (1), and the convex teeth (5) on the two coating parts (3) are arranged in a staggered and meshed mode.

5. The electronic atomizer of claim 4, wherein: each convex tooth (5) is divided into two groups, and the two groups of convex teeth (5) are symmetrically arranged along the width direction of the elastic sheet (4).

6. The electronic atomizer according to claim 4 or 5, wherein: one side of the end part of the convex tooth (5) departing from the axis of the silica gel sleeve (1) is convexly provided with a convex point (51), and the side surface of the convex tooth (5) is provided with a track groove (52) matched with the moving track of the convex point (51) of the other coating part (3); in the process that the elastic sheet (4) is changed from a semi-arc shape into a straight strip shape, the salient points (51) move along with the deformation of the elastic sheet (4), and the salient points (51) gradually move and are inserted into the track grooves (52).

7. The electronic atomizer of claim 4, wherein: one of the coating parts (3) is provided with a first V-shaped groove (31) relative to the surface of the other coating part (3), and the other coating part (3) is provided with two patches (33) which are respectively attached to two groove walls of the first V-shaped groove (31) in a protruding structure on the surface.

8. The electronic atomizer of claim 7, wherein: the first V-shaped groove (31) is positioned at the center of the width direction of the coating part (3); the surface of the coating part (3) where the patches (33) are located is provided with a second V-shaped groove (32) which is opposite to the first V-shaped groove (31), the depth of the second V-shaped groove (32) is larger than that of the first V-shaped groove (31), and the patches (33) are respectively located on two groove walls of the second V-shaped groove (32).

9. The electronic atomizer of claim 8, wherein: and a PVC electrostatic coating is sprayed on the wall of the first V-shaped groove (31).

10. The electronic atomizer according to any one of claims 7-9, wherein: the free side of the patch (33) is provided with rounded corners.

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