CN111480885A - Atomizer and electronic cigarette - Google Patents

Abstract

The invention discloses an atomizer and an electronic cigarette, which comprise a shell, wherein an oil bin is arranged in the shell, an oil injection hole is formed in the shell, the end part of the shell is connected with an upper cover capable of opening or closing the oil injection hole, the upper cover is fixedly connected with a suction nozzle cover, the atomizer further comprises a child lock mechanism matched with the opening of the oil injection hole, the child lock mechanism comprises a reset spring and a key arranged on a side panel of the suction nozzle cover, the reset spring is arranged in the suction nozzle cover, one end of the reset spring is abutted against the inner side of the key, and the other end of the reset spring is abutted against the; the key is provided with a locking pin; the top of the shell is provided with a first guide groove and a clamping groove matched with the locking pin, and the first guide groove is communicated with the clamping groove and is used as a guide groove of the locking pin when the suction nozzle cover, the upper cover and the child lock mechanism synchronously rotate around the axis of the shell in the circumferential direction. According to the invention, the child lock mechanism corresponding to the oil injection hole has the advantages of simple structure, convenience in operation and high reliability, and prevents children from opening the oil injection hole to contact with tobacco tar; the oil passing hole is closed during oil injection, so that oil leakage is prevented.

Description

Atomizer and electronic cigarette

Technical Field

The invention particularly relates to an atomizer and an electronic cigarette.

Background

An existing atomizer comprises a shell, an oil bin is arranged in the shell, an oil filling hole capable of filling oil into the oil bin is further formed in the shell, and the end portion of the shell is connected with an upper cover capable of opening or closing the oil filling hole.

Because in the current atomizer, do not set up and open oil filler point matched with child lock mechanism, perhaps set up the child lock mechanism that the structure is complicated, lead to children to open the oil filler point easily and contact the tobacco tar, perhaps operate child lock mechanism step loaded down with trivial details, experience poor.

Disclosure of Invention

The invention aims to provide an atomizer and an electronic cigarette, aiming at the defects of the prior art, the child lock mechanism corresponding to the oil injection hole is simple in structure and convenient to operate, can effectively realize the function of child lock, prevents children from opening the oil injection hole to contact with tobacco tar, and is good in user experience.

In order to solve the technical problems, the technical scheme adopted by the invention is as follows:

an atomizer comprises a shell, wherein an oil bin is arranged in the shell, an oil filling hole capable of filling oil into the oil bin is further formed in the shell, the end part of the shell is connected with an upper cover capable of opening or closing the oil filling hole, the upper cover is fixedly connected with a suction nozzle cover, and the atomizer further comprises a child lock mechanism matched with the opened oil filling hole, and the child lock mechanism is structurally characterized in that the child lock mechanism comprises a reset spring and a key arranged on a side panel of the suction nozzle cover, the reset spring is arranged in the suction nozzle cover, one end of the reset spring is abutted against the inner side of the key, and the other end of the reset spring is abutted against; the key is provided with a locking pin; the top of the shell is provided with a first guide groove and a clamping groove matched with the locking foot, and the first guide groove is communicated with the clamping groove and is used as a guide groove of the locking foot when the suction nozzle cover, the upper cover and the child lock mechanism synchronously rotate around the axis of the shell in the circumferential direction.

By means of the structure, the oil filling hole of the shell is closed by the upper cover in a normal state, the locking feet of the key are clamped in the clamping groove of the shell in a locking state of the child lock mechanism, and the key and the upper cover cannot rotate around the axis of the shell at the moment, so that the oil filling hole cannot be opened. When need toward the interior oiling of oil bin, press the button, reset spring is compressed, and the restriction that the locking foot breaks away from the draw-in groove this moment, and the locking foot can rotate along first guide slot, because child lock mechanism is fixed in the upper cover, therefore child lock mechanism and upper cover rotate in step, and finally the upper cover is rotatory to opening the oil filler point, can be to the interior oiling of oil bin. Therefore, the child lock mechanism corresponding to the oil injection hole is simple in structure and convenient to operate, the child lock function can be effectively achieved, children are prevented from opening the oil injection hole and contacting with tobacco tar, and user experience is good.

Furthermore, the bottom of the upper cover is provided with a salient point, the top of the shell is also provided with a second guide groove, the second guide groove is positioned outside the first guide groove, and the second guide groove is communicated with the clamping groove and is used as a guide groove of the salient point when the suction nozzle cover, the upper cover and the child lock mechanism synchronously rotate around the axis of the shell in the circumferential direction; the length of the locking foot is greater than that of the salient point, and the bottom surface of the first guide groove is lower than that of the second guide groove.

By means of the structure, in the process of opening the oil hole by rotating the upper cover, the salient points enter the second guide groove and rotate along the second guide groove. Because the locking feet and the salient points have different lengths and the first guide groove and the second guide groove have different depths, and the first guide groove and the second guide groove are staggered with each other, when the suction nozzle cover is rotated after unlocking, the locking feet and the salient points independently rotate in the corresponding guide grooves, and the movement tracks of the locking feet and the salient points do not interfere with each other.

Furthermore, the top of the shell is provided with a limiting step which is used for limiting the rotation direction of the upper cover and corresponds to the salient point.

By means of the structure, the limiting step can limit the upper cover to rotate in one direction (if the upper cover can only rotate anticlockwise), and the locking mechanism, the suction nozzle sleeve and the upper cover are connected into a whole and rotate synchronously, so that the upper cover and the suction nozzle sleeve can only rotate in one direction. When the upper cover rotates 90 degrees anticlockwise, the salient point just abuts against the clamping groove, so that the clamping groove limits the rotation of the upper cover and limits the upper cover to rotate 90 degrees anticlockwise.

As a preferable mode, the child lock mechanisms are provided with two sets, and the two sets of child lock mechanisms are symmetrically arranged on two opposite side surfaces of the suction nozzle cover.

The two sets of child lock mechanisms are arranged, when the two child lock keys are pressed down simultaneously, the child lock mechanisms can be unlocked, the upper cover can be rotated to open the oil injection hole for oil injection, the working reliability of the child lock mechanisms is further improved, and meanwhile, the upper cover is rotated to enable the stress to be more uniform and the motion state to be more stable.

Further, still include the atomizing core, the atomizing core includes the inlet port, leads oily mechanism and atomizing spare, still is equipped with in the shell and holds the chamber, and the intracavity should be held to the atomizing core, and the oil storehouse loops through oilhole, inlet port, leads oily mechanism and is linked together with atomizing spare.

The tobacco tar in the oil bin sequentially passes through the oil passing hole and the oil inlet hole to reach the oil guide mechanism, and the oil guide mechanism leads the atomization part to atomize to produce the tobacco for the user to suck.

Furthermore, an atomizing sleeve capable of rotating circumferentially around the axis of the outer shell is arranged in the outer shell, the oil passing hole is formed in the side wall of the atomizing sleeve, and the upper part of the atomizing core is arranged in the atomizing sleeve; the atomizing sleeve is fixedly connected with the upper cover through a connecting piece; when the oil filling hole is closed, the oil passing hole is aligned with the oil inlet hole; when the oil filler point is opened, the oil passing hole and the oil inlet hole are staggered.

Borrow by above-mentioned structure, atomizing cover and upper cover are even as an organic whole, rotate in step, and when rotatory upper cover opened the oil filler point, atomizing cover rotates in step and makes oilhole and inlet port dislocation to close the inlet port, on the tobacco tar is extruded the atomizing core because of the change of oil storehouse pressure during the prevention oiling, can prevent that the tobacco tar from spilling from the atomizing core when the oiling.

Furthermore, a first sealing gasket is arranged in the shell, a first through hole is formed in the center of the first sealing gasket, the upper portion of the atomizing core penetrates through the first through hole, and the middle section of the atomizing core is fixedly arranged in the first through hole.

Further, the side wall of the first through hole is circumferentially provided with a convex ring abutted against the atomizing core.

By means of the structure, when the atomizing core is inserted into the atomizing sleeve through the first through hole, the convex ring can clamp the outer side wall of the atomizing core and play a role in sealing; meanwhile, the convex ring can also play a role in reducing friction force on the atomizing core during rotation, so that the nozzle sleeve can drive the atomizing core to rotate smoothly.

Furthermore, a bottom cover is arranged at the bottom of the shell, a second through hole is formed in the center of the bottom cover, the upper part of the atomizing core sequentially penetrates through the second through hole and the first through hole and extends into the inner cavity of the atomizing sleeve, and the bottom of the atomizing core is fixedly arranged in the second through hole; the bottom cover is provided with a handle part for taking the atomizing core out of the accommodating cavity.

The handle part for pulling out the atomizing core is arranged, so that the atomizing core is convenient to replace.

Based on the same inventive concept, the invention also provides the electronic cigarette which is structurally characterized by comprising the atomizer.

Compared with the prior art, the child lock mechanism corresponding to the oil injection hole is simple in structure and convenient to operate, can effectively achieve the child lock function, and prevents children from opening the oil injection hole to contact with tobacco tar; the oil passing hole is closed during oil injection, so that oil leakage is prevented; the user experience is good.

Drawings

FIG. 1 is an elevational view in cross section of an atomizer according to the present invention.

Fig. 2 is a side sectional view of an atomizer according to the present invention.

Fig. 3 is an external view of the atomizer of the present invention.

Fig. 4 is a schematic view of the atomizing core after it is removed from the housing.

Fig. 5 is an exploded view of the upper portion of the atomizer.

Fig. 6 is an exploded view of the middle of the atomizer.

Fig. 7 is an exploded view of the lower portion of the atomizer.

Fig. 8 is a schematic structural diagram of the key and the return spring.

Fig. 9 is a schematic view of a key structure.

Fig. 10 is a top view of the housing.

Fig. 11 is a partial cross-sectional view of the housing.

Fig. 12 is a schematic view of the structure of the upper cover.

FIG. 13 is a diagram of the position relationship between the upper cover and the housing when the child lock mechanism is locked.

Fig. 14 is a schematic structural diagram of fig. 13 when two keys are pressed simultaneously.

FIG. 15 is a schematic structural view showing the state in which the oil hole is opened by rotating the upper cover.

Wherein, 1 is a housing, 101 is an oil filling hole, 102 is a first guide groove, 103 is a clamping groove, 104 is a second guide groove, 105 is a limit step, 106 is a containing cavity, 2 is an oil bin, 3 is an upper cover, 301 is a mounting groove, 302 is a salient point, 4 is a suction nozzle cover, 401 is an air inlet hole, 402 is an air outlet hole, 5 is a child lock mechanism, 501 is a return spring, 502 is a key, 5021 is a locking pin, 5022 is a mounting hole, 6 is an atomizing core, 601 is an outer sleeve, 6011 is an oil inlet hole, 602 is an oil guide mechanism, 603 is a sealing sleeve, 6031 is an oil passing groove, 604 is a cotton pressing spring, 605 is an atomizing seat, 606 is a PCB board, 607 is a bottom ring, 608 is an insulating ring, 609 is an inner sleeve, 610 is an inner sleeve, 611 is an elastic electrode, 612 is an atomizing piece, 7 is an atomizing sleeve, 701 is an oil passing hole, 8 is a connector, 9 is a first sealing gasket, 901 is a first through hole, 10 is a convex ring, 10 is a bottom cover, 1001, and, 1002 is a handle part, 11 is a first sealing ring, 12 is a second sealing ring, 13 is a magnetic part, 14 is a second sealing gasket, 15 is a vent pipe, and 16 is an air outlet channel.

Detailed Description

As shown in fig. 1 to 12, an atomizer in an electronic cigarette according to the present invention includes a housing 1, an oil bin 2 is disposed in the housing 1, an oil hole 101 capable of injecting oil into the oil bin 2 is further formed in the housing 1, an end of the housing 1 is connected to an upper cover 3 capable of opening or closing the oil hole 101, the upper cover 3 is fixedly connected to a nozzle cover 4, and a child lock mechanism 5 matched with the opening of the oil hole 101 is further included, the child lock mechanism 5 includes a return spring 501 and a button 502 disposed on a side panel of the nozzle cover 4, the return spring 501 is disposed in the nozzle cover 4, one end of the return spring 501 is disposed in a mounting hole 5022 on the button 502 and abuts against the inner side of the button 502, and the other end of the return spring 501 abuts against the nozzle cover 4; the key 502 has a locking pin 5021; the upper cover 3 is provided with a mounting groove 301 opposite to the locking pin 5021; the top of the housing 1 is provided with a first guide groove 102 and a clamping groove 103 matched with the locking leg 5021, and the first guide groove 102 is communicated with the clamping groove 103 and is used as a guide groove of the locking leg 5021 when the nozzle cover 4, the upper cover 3 and the child lock mechanism 5 synchronously rotate circumferentially around the axis of the housing 1.

Normally, the oil filler hole 101 of the housing 1 is closed by the upper cover 3, and in the locked state of the child lock mechanism 5, the locking leg 5021 of the key 502 is locked in the locking groove 103 of the housing 1, at this time, the key 502 and the upper cover 3 cannot rotate around the axis of the housing 1, and thus the oil filler hole 101 cannot be opened. When oil needs to be filled into the oil bin 2, the key 502 is pressed, the return spring 501 is compressed, the locking leg 5021 is separated from the limit of the clamping groove 103, the locking leg 5021 can rotate along the first guide groove 102, the child lock mechanism 5 is fixed on the upper cover 3, the child lock mechanism 5 and the upper cover 3 rotate synchronously, and finally the upper cover 3 rotates to open the oil filling hole 101, so that oil can be filled into the oil bin 2. Therefore, in the invention, the child lock mechanism 5 corresponding to the oil injection hole 101 has a simple structure and is convenient to operate, the child lock function can be effectively realized, children are prevented from opening the oil injection hole 101 to contact with the tobacco tar, and the user experience is good.

The bottom of the upper cover 3 is provided with a salient point 302, the top of the shell 1 is also provided with a second guide groove 104, the second guide groove 104 is positioned outside the first guide groove 102, and the second guide groove 104 is communicated with the clamping groove 103 and is used as a guide groove for the salient point 302 when the nozzle cover 4, the upper cover 3 and the child lock mechanism 5 synchronously rotate circumferentially around the axis of the shell 1; the length of the locking leg 5021 is greater than the length of the bump 302, and the bottom surface of the first guide groove 102 is lower than the bottom surface of the second guide groove 104.

In the process of rotating the upper cover 3 to open the oil hole 101, the convex point 302 enters the second guide groove 104 and rotates along the second guide groove 104. Because the locking legs 5021 and the protruding points 302 have different lengths and the first guide grooves 102 and the second guide grooves 104 have different depths, and the first guide grooves 102 and the second guide grooves 104 are staggered with each other, when the nozzle cover 4 is rotated after being unlocked, the locking legs 5021 and the protruding points 302 rotate independently in the corresponding guide grooves, and the movement tracks of the locking legs 5021 and the protruding points 302 do not interfere with each other.

The top of the housing 1 is provided with a limit step 105 corresponding to the salient point 302 for limiting the rotation direction of the upper cover 3.

The limiting step 105 can limit the upper cover 3 to rotate in one direction (for example, the upper cover can only rotate counterclockwise), and the locking mechanism, the nozzle sleeve and the upper cover 3 are connected into a whole and rotate synchronously, so that the locking mechanism and the nozzle sleeve can only rotate in one direction.

The child lock mechanisms 5 are provided with two sets, and the two sets of child lock mechanisms 5 are symmetrically arranged on two opposite side surfaces of the suction nozzle cover 4. Two sets of child lock mechanisms 5 are arranged, when the two child lock keys 502 are pressed down simultaneously, the child lock mechanisms 5 can be unlocked, the upper cover 3 can be rotated to open the oil injection hole 101 for oil injection, the working reliability of the child lock mechanisms 5 is further improved, and meanwhile, the stress is more uniform and the motion state is more stable when the upper cover 3 is rotated.

The atomizer still includes atomizing core 6, and atomizing core 6 includes inlet port 6011, leads oily mechanism 602 and atomizing part 612, still is equipped with in the shell 1 and holds chamber 106, and atomizing core 6 is located and should hold in the chamber 106, and the oil storehouse 2 loops through oilhole 701, inlet port 6011, leads oily mechanism 602 and is linked together with atomizing part 612.

The tobacco tar in the oil bin 2 sequentially passes through the oil passing hole 701 and the oil inlet hole 6011 to reach the oil guiding mechanism 602, and the oil guiding mechanism 602 leads the atomizing part 612 to atomize and generate the tobacco smoke for the user to suck.

An atomizing sleeve 7 capable of rotating circumferentially around the axis of the outer shell 1 is arranged in the outer shell 1, the oil passing hole 701 is formed in the side wall of the atomizing sleeve 7, and the upper part of the atomizing core 6 is arranged in the atomizing sleeve 7; the atomizing sleeve 7 is fixedly connected with the upper cover 3 through a connecting piece 8 (such as a screw); when the oil filler hole 101 is closed, the oil passing hole 701 is aligned with the oil inlet hole 6011; when the oil filler hole 101 is opened, the oil passing hole 701 is misaligned with the oil inlet hole 6011.

Atomizing cover 7 and upper cover 3 are even as an organic whole, rotate in step, and when rotatory upper cover 3 opened oil filler point 101, atomizing cover 7 rotates in step and makes oilhole 701 and inlet port 6011 dislocation to close inlet port 6011, on the tobacco tar is extruded atomizing core 6 because of the change of oil storehouse 2 pressure during the prevention oiling, can prevent that the tobacco tar from spilling from atomizing core 6 when the oiling.

A first sealing gasket 9 (made of silica gel) is arranged in the shell 1, a first through hole 901 is formed in the center of the first sealing gasket 9, the upper portion of the atomizing core 6 penetrates through the first through hole 901, and the middle section of the atomizing core 6 is fixedly arranged in the first through hole 901.

And a convex ring 9011 abutted to the atomizing core 6 is arranged on the side wall of the first through hole 901 in the circumferential direction. When the atomizing core 6 is inserted into the atomizing sleeve 7 through the first through hole 901, the convex ring 9011 can clamp the outer side wall of the atomizing core 6 and play a role in sealing; meanwhile, the convex ring 9011 can also play a role in reducing friction force on the atomizing core 6 during rotation, so that the nozzle sleeve can drive the atomizing core 6 to rotate smoothly.

A bottom cover 10 is arranged at the bottom of the shell 1, a second through hole 1001 is formed in the center of the bottom cover 10, the upper portion of the atomizing core 6 sequentially penetrates through the second through hole 1001 and the first through hole 901 and extends into the inner cavity of the atomizing sleeve 7, and the bottom of the atomizing core 6 is fixedly arranged in the second through hole 1001; the bottom cover 10 is provided with a handle portion 1002 for taking out the atomizing core 6 from the accommodating chamber 106. The handle part 1002 for pulling out the atomizing core 6 is arranged, so that the atomizing core 6 is convenient to replace.

A first sealing ring 11 is arranged between the top of the atomizing core 6 and the inner wall of the atomizing sleeve 7, and a second sealing ring 12 is arranged between the outer wall of the atomizing sleeve 7 and the shell 1.

The atomizing core 6 comprises a sealing sleeve 603 (made of silica gel), a cotton pressing spring 604, an atomizing base 605 (made of silica gel), a PCB 606, a bottom ring 607, an insulating ring 608, an inner sleeve 609, an outer sleeve 601, a conducting strip 610 and an elastic electrode 611, the oil guide mechanism 602 comprises cup-shaped oil guide cotton, and the atomizing piece 612 is an ultrasonic atomizing piece; the inner sleeve 609 is sleeved with the outer sleeve 601 in an inner-outer mode, the side wall of the cup-shaped oil guide cotton is clamped between the inner sleeve 609 and the outer sleeve 601, and the outer bottom surface of the cup-shaped oil guide cotton is in contact with the atomization surface of the ultrasonic atomization sheet. The sealing sleeve 603 is sleeved outside the outer sleeve 601. The oil inlet hole 6011 is opened in the side wall of the outer sleeve 601, and the sealing sleeve 603 is provided with an oil passing groove 6031 opposite to the oil inlet hole 6011. One end of the cotton pressing spring 604 is abutted against the bottom of the inner sleeve 609, and the other end of the cotton pressing spring 604 is abutted against the inner bottom surface of the cup-shaped oil guide cotton.

The ultrasonic atomization sheet is fixedly arranged in the outer sleeve 601 through an atomization seat 605. The bottom of the outer sleeve 601 is sealed by a bottom ring 607, and the elastic electrode 611 is connected with the bottom ring 607 in an insulating way by an insulating ring 608. The PCB 606 is fixed on the bottom ring 607.

The conducting strip 610 is fixed by the atomizing base 605, and one electrode layer of the ultrasonic atomizing strip is connected with the conducting strip 610, and the other electrode layer of the ultrasonic atomizing strip is connected with one end of the elastic electrode 611 in a butting manner.

The atomizer still includes magnetism and inhales piece 13, and magnetism is inhaled piece 13 and is set firmly on bottom 10, provides magnetic attraction when the atomizer links to each other with the power supply unit of electron cigarette.

The oil filling hole 101 of the casing 1 is grooved and correspondingly provided with a second sealing gasket 14 for sealing the tobacco tar.

A vent pipe 15 is further arranged in the shell 1, one end of the vent pipe 15 is fixedly connected with the upper cover 3, and the other end of the vent pipe 15 extends into the inner sleeve 609 and is opposite to the inner bottom surface of the cup-shaped oil guide cotton.

An air inlet hole 401 and an air outlet hole 402 are formed in the nozzle cover 4, an air outlet channel 16 is formed between the air vent pipe 15 and the inner sleeve 609, air enters from the air inlet hole 401, reaches the bottom surface of the cup-shaped oil guide cotton after passing through the air vent pipe 15, and smoke generated by atomization of the ultrasonic atomization sheet is taken out through the air outlet channel 16 and the air outlet hole 402 in sequence for a user to suck. The direction of the airflow is shown by the arrows in fig. 1 and 2.

Fig. 13 to 15 show the working principle of the child-lock mechanism 5 of the atomizer oil filler hole 101 of the present invention.

As shown in fig. 13, when the key 502 of the child lock mechanism 5 is not pressed, the locking leg 5021 of the key 502 is locked in the locking groove 103 of the housing 1, the locking leg 5021 is limited by the locking groove 103, the key 502 and the upper cover 3 cannot be rotated, and thus the oil hole 101 cannot be opened and the oil hole 101 is closed. At this time, the oil passing hole 701 is communicated with the oil inlet hole 6011 through the oil passing groove 6031, the oil path is communicated, and the tobacco tar in the oil bin 2 can be guided to the cup-shaped oil guide cotton and further guided to the atomizing surface of the ultrasonic atomizing sheet for atomizing to produce the tobacco.

As shown in fig. 14, when oil needs to be filled into the oil bin 2, the two buttons 502 are pressed simultaneously, the return spring 501 is compressed, at this time, the locking leg 5021 is disengaged from the limit of the slot 103, the locking leg 5021 can rotate along the first guide slot 102, and the bump 302 enters the second guide slot 104 and can rotate along the second guide slot 104.

As shown in fig. 15, since the child lock mechanism 5 is fixed to the upper cover 3, the child lock mechanism 5 rotates in synchronization with the upper cover 3, and since the limit step 105 is provided, the upper cover 3 can rotate only counterclockwise. When the upper cover 3 rotates 90 degrees anticlockwise, the convex point 302 just abuts against the clamping groove 103, so that the clamping groove 103 limits the rotation of the upper cover 3, the upper cover 3 is limited to rotate 90 degrees anticlockwise, and the oil injection hole 101 is in an open state at the moment and can inject oil into the oil bin 2. Meanwhile, as the atomizing sleeve 7 is integrated with the upper cover 3 through the connecting piece 8, the atomizing sleeve 7 also synchronously rotates 90 degrees anticlockwise, the oil passing hole 701 is staggered with the oil inlet hole 6011, the oil way is cut off, and the smoke oil in the oil bin 2 cannot be guided to the cup-shaped oil guide cotton, so that oil leakage can be prevented.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (10)

1. An atomizer comprises a shell (1), wherein an oil bin (2) is arranged in the shell (1), an oil filling hole (101) which can fill oil into the oil bin (2) is further formed in the shell (1), the end part of the shell (1) is connected with an upper cover (3) which can open or close the oil filling hole (101), the upper cover (3) is fixedly connected with a suction nozzle cover (4), and the atomizer further comprises a child locking mechanism (5) which is matched with the opened oil filling hole (101), the child locking mechanism (5) is characterized by comprising a reset spring (501) and a key (502) which is arranged on a side panel of the suction nozzle cover (4), the reset spring (501) is arranged in the suction nozzle cover (4), one end of the reset spring (501) is abutted against the inner side of the key (502), and the other end of the reset spring (501) is abutted against the suction nozzle cover (4); the key (502) is provided with a locking pin (5021); the top of the shell (1) is provided with a first guide groove (102) and a clamping groove (103) matched with the locking pin (5021), and the first guide groove (102) is communicated with the clamping groove (103) and is used as a guide groove of the locking pin (5021) when the suction nozzle cover (4), the upper cover (3) and the child lock mechanism (5) synchronously rotate around the axis of the shell (1) in the circumferential direction.

2. The atomizer according to claim 1, wherein the bottom of the upper cover (3) has a salient point (302), the top of the housing (1) further has a second guide groove (104), the second guide groove (104) is located outside the first guide groove (102), the second guide groove (104) is communicated with the slot (103) and serves as a guide groove for the salient point (302) when the nozzle cover (4), the upper cover (3) and the child lock mechanism (5) synchronously rotate circumferentially around the axis of the housing (1); the length of the locking leg (5021) is greater than that of the bump (302), and the bottom surface of the first guide groove (102) is lower than that of the second guide groove (104).

3. A nebulizer as claimed in claim 2, characterised in that the housing (1) is provided at the top with a stop step (105) corresponding to the protruding point (302) for defining the direction of rotation of the upper lid (3).

4. A nebulizer as claimed in any one of claims 1 to 3, characterised in that there are two sets of child-lock mechanisms (5), and the two sets of child-lock mechanisms (5) are symmetrically arranged on opposite sides of the mouthpiece cover (4).

5. The atomizer according to any one of claims 1 to 3, further comprising an atomizing core (6), wherein the atomizing core (6) comprises an oil inlet hole (6011), an oil guide mechanism (602), and an atomizing member (612), an accommodating chamber (106) is further disposed in the housing (1), the atomizing core (6) is disposed in the accommodating chamber (106), and the oil sump (2) is communicated with the atomizing member (612) sequentially through an oil passing hole (701), the oil inlet hole (6011), and the oil guide mechanism (602).

6. The atomizer according to claim 5, characterized in that, the housing (1) is provided with an atomizing sleeve (7) which can rotate circumferentially around the axis of the housing (1), the oil passing hole (701) is arranged on the side wall of the atomizing sleeve (7), and the upper part of the atomizing core (6) is arranged in the atomizing sleeve (7); the atomizing sleeve (7) is fixedly connected with the upper cover (3) through a connecting piece (8); when the oil filling hole (101) is closed, the oil passing hole (701) is aligned with the oil inlet hole (6011); when the oil filling hole (101) is opened, the oil passing hole (701) and the oil inlet hole (6011) are staggered.

7. The atomizer according to claim 6, characterized in that a first gasket (9) is disposed in the housing (1), a first through hole (901) is formed in the center of the first gasket (9), the upper portion of the atomizing core (6) passes through the first through hole (901), and the middle portion of the atomizing core (6) is fixedly disposed in the first through hole (901).

8. Atomizer according to claim 7, characterized in that the side wall of the first through hole (901) is provided circumferentially with a bead (9011) that abuts the atomizing core (6).

9. The atomizer according to claim 7, wherein a bottom cover (10) is provided at the bottom of the housing (1), a second through hole (1001) is provided at the center of the bottom cover (10), the upper portion of the atomizing core (6) sequentially passes through the second through hole (1001) and the first through hole (901) and extends into the inner cavity of the atomizing sleeve (7), and the bottom of the atomizing core (6) is fixedly provided in the second through hole (1001); the bottom cover (10) is provided with a handle part (1002) for taking the atomizing core (6) out of the accommodating cavity (106).

10. An electronic cigarette, characterized by comprising the nebulizer of any one of claims 1 to 9.

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