JP7250161B2 - Atomizing core and atomizer for electronic cigarette - Google Patents

Description

FIELD OF THE INVENTION The present invention relates to electronic smoking devices, and more particularly to atomizing cores and atomizers for electronic cigarettes.

In the ultrasonic atomization sheet of the conventional ultrasonic electronic cigarette atomizer, the first electrode is generally connected to the electrode unit through a lead wire, so that the assembly of the atomization core is inconvenient, and the lead wire has both ends. The solder joints of the ultrasonic atomization sheet tend to fall off, resulting in poor conductivity of the ultrasonic atomization sheet. In addition, in ultrasonic atomization, since the liquid supply speed is slow, the ultrasonic atomization sheet is likely to be empty, and the trachea is directly connected to the atomization chamber. Liquid splashed on the mouthpiece enters the ventilation tube that communicates with the mouthpiece, and as a result, the liquid is easily sucked.

The technical problem to be solved by the present invention is to solve the drawbacks of the prior art, to provide an electronic cigarette atomizer that is easy to assemble, does not require bonding wires, and can protect the ultrasonic atomization sheet. It is to provide cores and atomizers.

In order to solve the above technical problem, the present invention includes an outer sleeve and an inner sleeve which are fitted together, an atomization chamber is provided on the lower surface of the inner sleeve, and a first liquid passage opening is provided in the outer sleeve. is provided, both ends of the wick are interposed between the outer sleeve and the inner sleeve, and both ends of the wick cover the first liquid passage port, wherein the inner sleeve includes a cartridge a gas supply groove for supplying gas to the electronic cigarette atomizer, wherein one end of the gas supply groove communicates with the first liquid passage port and the other end communicates with the atomization chamber. provide the core.

In the present invention, a gas replenishing groove is provided at a position corresponding to the first liquid passage port, and the gas replenishing groove communicates with the atomization chamber, so that part of the intake airflow entering the atomization chamber is replaced by gas. It enters the cartridge through the replenishment groove and the first liquid passage port, and during the puff, the cartridge constantly supplies the liquid, and part of the intake airflow in the atomization chamber is constantly replenished to the cartridge, thereby increasing the air pressure of the cartridge. is increased, the liquid supply speed is improved, and the empty heating of the ultrasonic atomization sheet is effectively prevented.

Further, in the inner lumen of the inner sleeve, a boss for sealing and clamping the ventilation tube and an exhaust chamber are sequentially provided from top to bottom, so that the liquid scattered during ultrasonic atomization is removed from the inner wall of the exhaust chamber. It clumps together, making it difficult for the user to inhale the liquid.

Furthermore, two ventilation holes are symmetrically opened at the top of the inner sleeve, and ventilation grooves are opened to the bottom of the inner sleeve in the outer wall of the inner sleeve below the two ventilation holes, When the outer sleeve and the inner sleeve are fitted together, both the inner wall of the outer sleeve and the ventilation groove form two first air intake channels, thus forming two first air intake channels. are provided symmetrically on both sides of the atomization chamber, and the intake air flow flows through the two first intake channels at the same rate and at the same speed, and flows into the atomization chamber from symmetrical points on both sides of the atomization chamber. To sufficiently discharge smoke in an atomizing chamber and to avoid impairing the feeling of fragrant-smelling at the next puff due to retention of smoke in the atomizing chamber.

Furthermore, wick mounting grooves for mounting both ends of the wick are symmetrically provided on the outer wall of the inner sleeve, and a clamping portion for clamping the wick is provided above the wick mounting groove, The lower portion is provided with a release portion, and the depth of the wick attachment groove of the clamp portion is smaller than the depth of the wick attachment groove of the release portion, so that the wick can be transmitted even when the wick is clamped or fixed. Velocity is not affected by pinching.

In addition, the wick mounting groove and the ventilation groove are offset from each other, which affects the flow velocity of the liquid in the wick when the airflow in the ventilation groove flows, and further affects the atomization effect of the ultrasonic atomization sheet. Avoid influence.

Further, an inner sleeve, a wick, an ultrasonic atomization sheet, an elastic insulation base and an electrode unit are sequentially provided from top to bottom in the lumen of the outer sleeve, and a first electrode is provided on the upper surface of the ultrasonic atomization sheet. A second electrode is provided on the lower surface of the ultrasonic atomization sheet, the electrode unit includes a first electrical connection end and a second electrical connection end separated by an insulating ring, The first electrode of the ultrasonic atomization sheet is electrically connected to the second electrical connection end of the electrode unit through the outer sleeve, and the second electrode of the ultrasonic atomization sheet is connected to the second electrode of the electrode unit. It is electrically connected to one electrical connection end.

Further, a support portion is provided on the upper portion of the inner wall of the outer sleeve, a step is provided on the uppermost portion of the outer wall of the inner sleeve, and the step is supported by the support portion, whereby the inner sleeve and the outer The sleeves are fixedly connected together.

Further, a contact portion electrically connected to and in contact with the first electrode of the ultrasonic atomization sheet is provided at the lower portion of the inner wall of the outer sleeve. is directly in contact with the first electrode of the ultrasonic atomization sheet, and then the bottom of the inner wall of the outer sleeve is directly connected to the electrode unit, thereby being electrically connected without the need for bonding wires. becomes possible.

In addition, a retraction part is provided around the contact part to prevent the side wall of the ultrasonic atomization sheet from being pushed and bursting. Only the contact force of the contact portion is received, and thus the ultrasonic atomization sheet can be protected.

In addition, the lower surface of the ultrasonic atomizing sheet is provided on the upper surface of the elastic insulating base, thereby preventing the ultrasonic atomizing sheet from being pushed and bursting or losing the atomization function of the elastic insulating base itself. Prevent with elasticity.

Further, a mounting part is provided on the upper part of the inner cavity of the elastic insulating base, and the ultrasonic atomization sheet is mounted on the mounting part, whereby the vibration of the assembled ultrasonic atomization sheet causes ultrasonic atomization. To avoid the side walls of the sheet from being scratched or pushed.

In order to solve the above technical problem, the present invention includes a cartridge device and a mouthpiece device that are integrally and fixedly connected so as to be relatively rotatable, a cartridge is provided inside the cartridge device, and the mouthpiece device An electronic cigarette atomizer provided with a second intake channel and a mouthpiece, wherein the above-described electronic cigarette atomizing core is provided within the cartridge device and between the mouthpiece and a boss of the inner sleeve. A vent tube is provided, a third intake channel is provided between the outer wall of the vent tube and said mouthpiece device, cartridge device, and a second intake channel is connected to said first via the third intake channel. Further provided is an electronic cigarette atomizer in communication with the intake channel.

1 is a cross-sectional structural diagram of an embodiment of an atomizing core for an electronic cigarette of the present invention; FIG. 1 is an exploded structural view of parts of an embodiment of an atomizing core for an electronic cigarette of the present invention; FIG. FIG. 4 is a diagram showing the process of assembling the wick, inner sleeve and outer sleeve of the present invention; FIG. 4 is a diagram showing the process of assembling the outer sleeve, ultrasonic atomization sheet, elastic insulation base and electrode unit of the present invention; FIG. 4 is a cross-sectional structural view of another embodiment of the atomizing core for electronic cigarette of the present invention; 1 is a sectional structural view of an embodiment of an electronic cigarette atomizer of the present invention; FIG. FIG. 7 is a view taken along the line AA in FIG. 6; FIG. 4 is a three-dimensional view of the underside structure of the top cover of the electronic cigarette atomizer of the present invention; 1 is a top structural view of a cartridge device of the present invention; FIG. FIG. 3 is a structural schematic diagram of the child lock button of the present invention; FIG. 2 is a diagram of the child lock operation of the child lock structure of the present invention, in which a is the initial state, b is the state in which the child lock is pushed, and c is the state in which the child lock is rotated by 90 degrees.

The invention will now be further described with reference to specific preferred embodiments, which are not intended to limit the patentable scope of the invention.

For the convenience of explanation, the relative positional relationship of each member (e.g., top, bottom, left, right, etc.) is based on the layout direction of the drawings in the specification, and does not limit the structure of this patent. isn't it.

Example 1:
As shown in FIGS. 1 to 4, an embodiment of an atomizing core C for an electronic cigarette according to the present invention includes an outer sleeve 1 made of a conductive material, and an elastic insulating sleeve 3 around the outer sleeve 1. A hollow inner sleeve 2 is installed in the upper part of the inner cavity of the outer sleeve 1, and an ultrasonic atomization sheet 6, an elastic insulating base 7 and an electrode unit 8 are arranged in the lower part of the inner cavity of the outer sleeve 1. They are provided sequentially from top to bottom. Both ends of the wick 4 are interposed between the outer sleeve 1 and the inner sleeve 2 . A first spring 5 is attached to the bottom of the inner sleeve 2 , and the first spring 5 causes the central portion of the wick 4 to abut against the atomization area of the ultrasonic atomization sheet 6 . An atomization chamber 10 is provided between the inner sleeve 2 and the bottom. The ultrasonic atomization sheet 6 is made of piezoelectric ceramics, and its upper surface covers the first electrode, its lower surface covers the second electrode, and the central portion of the upper surface is the atomization area. The electrode unit 8 enables electrical connection to the ultrasonic atomization sheet 6, and the electrode unit 8 includes a first electrical connection end 81, an insulating ring 82 and a second electrical connection which are installed from the inside to the outside. Including edge 83 . The first electrode of the ultrasonic atomization sheet 6 is electrically connected to the second electrical connection end 83 of the electrode unit 8 through the outer sleeve 1, and the second electrode of the ultrasonic atomization sheet 6 is connected to the electrode unit. It is electrically connected to the first electrical connection end 81 of 8 .

The side wall of the outer sleeve 1 is provided with a first liquid passage port 11 that communicates with the liquid outlet of the cartridge. A support portion 13 for supporting the inner sleeve 2 is provided on the upper portion of the inner wall of the sleeve 1, and a contact portion 14 that contacts the first electrode of the ultrasonic atomization sheet 6 is provided on the lower portion of the inner wall. is provided, and a retraction portion 15 is provided around the contact portion 14 and the inner wall of the outer sleeve to prevent the side wall of the ultrasonic atomization sheet 6 from being pushed and bursting. The ultrasonic atomization sheet 6 receives only the axial contact force from the contact portion 14 , and thus the ultrasonic atomization sheet 6 is not pushed by the outer sleeve 1 in the radial direction.

A step 21 is provided at the top of the outer wall of the inner sleeve 2 , and two air vents 22 are symmetrically opened in the step 21 . Ventilation grooves 23 extending to the bottom of the sleeves are provided respectively, and when the outer sleeve 1 and the inner sleeve 2 are fitted together, the inner wall of the outer sleeve and the ventilation grooves 23 define two first intake channels.

A wick mounting groove 24 is symmetrically provided on the outer wall of the inner sleeve 2, and the wick mounting groove 24 and the ventilation groove 23 are parallel to each other and distributed with a deviation from each other. A clamp portion 241 for clamping the wick 4 is provided, and a release portion 242 is provided at the lower portion. is less than the depth of the wick mounting groove in the release portion 242. A gas replenishment groove 243 communicating with the cartridge is provided in the release portion 242, the upper end of the gas replenishment groove 243 communicates with the first liquid passage port 11 of the outer sleeve 1, and the bottom of the gas replenishment groove 243 is mist. It communicates with the atomization chamber 10 so that the gas in the atomization chamber 10 enters the cartridge from the first liquid passage port 11 through the gas supply groove 243 . Both ends of the wick 4 are fitted into the wick mounting grooves 24, the wick 4 in the clamp portion 241 is clamped and fixed by the inner sleeve 2 and the outer sleeve 1, and the wick 4 in the release portion 242 maintains its original state. As a result, the transmission speed of the liquid in the wick 4 is not affected by the clamping, the liquid is transmitted uniformly and stably, and the gas supply groove 243 quickly introduces the air in the atomization chamber 10 to the cartridge. Air and liquid are then exchanged in the sealed cartridge, thereby increasing the rate of liquid ejection from the cartridge.

A boss 25 is provided in the central portion of the lumen of the inner sleeve 2, and an exhaust chamber 26 is provided on the lower surface of the boss 25. The vent tube 9 of the atomizer is inserted into the boss 25 of the inner sleeve 2 and clamped by the boss 25. sealed, whereby the intake airflow enters the atomization chamber 10 from the two first intake channels, then passes through the atomization area of the ultrasonic atomization sheet 6 to entrain smoke, and also the exhaust chamber 26, It has no choice but to be discharged through the vent tube 9 . In this way, the two first intake channels are provided symmetrically with respect to the atomization chamber 10, and the airflow rates of the two first intake channels are the same, so that the same airflow is generated from both sides of the atomization chamber 10. An air current flows in at the same time, so that the smoke in the atomization chamber 10 is sufficiently expelled. Since the exhaust chamber 26 is provided, the liquid scattered during the ultrasonic atomization of the ultrasonic atomization sheet 6 is aggregated on the inner wall of the exhaust chamber 26, and the user is less likely to inhale the liquid.

The side wall of the elastic insulation sleeve 3 is provided with a second liquid passage opening 31, the first liquid passage opening 11 and the second liquid passage opening 31 are aligned, and the first liquid passage opening 11 is located in the cartridge. is aligned with the liquid outlet of the The inner wall of the elastic insulating sleeve 3 is provided with projections 32, the side wall of the outer sleeve 1 is provided with engaging holes 16, and the projections 32 are engaged with the engaging holes 16 to turn the elastic insulating sleeve 3 into the outer sleeve. 1, so that the liquid outlet is more reliably sealed during rotation of the outer sleeve 1.

When assembling the atomizing core, first, the wick 4 having the first spring 5 arranged in the center is inserted into the wick mounting groove 24 from below the inner sleeve 2, and both ends of the wick 4 are attached to the inner sleeve. 2, the wick 4 and the inner sleeve 2 are integrated, and then the inner sleeve 2 with the wick 4 attached is inserted into the outer sleeve 1 from the insertion opening 12, and the outer sleeve 1 is inserted into the outer sleeve 1. The inner wall of the sleeve 1 and the inner wall are clamped together to fix the wick 4 more stably, and the step 21 is engaged and fixed to the support part 13, so that the inner sleeve 2 and the outer sleeve 1 are fixedly connected. Then, the release portion 242 is aligned with the liquid passage port 11 so that the wick 4 can sufficiently store and transfer the liquid. Finally, the ultrasonic atomization sheet 6 , the elastic insulating base 7 and the electrode unit 8 are arranged in this order on the bottom of the wick 4 , and the contact portion 14 of the inner wall of the outer sleeve 1 is attached to the first ultrasonic atomization sheet 6 . The bottom of the inner wall of the outer sleeve 1 is screwed to the second electrical connection end 83 of the electrode unit 8, and the second electrode of the ultrasonic atomization sheet 6 is connected to the first electrical connection of the electrode unit 8. It is electrically connected to the connection end 81 . The above-mentioned assembly method is only an example of the form. Of course, the ultrasonic atomization sheet 6, the elastic insulating base 7 and the electrode unit 8 are first attached to the lower part of the lumen of the outer sleeve 1, and then the wick 4 is attached. The inner sleeve 2 may be inserted into the outer sleeve 1 and clamped together with the inner wall of the outer sleeve 1 .

In the above-described embodiment, the elastic insulating base 7 collides with the lower surface of the ultrasonic atomizing sheet 6, so that the ultrasonic atomizing sheet 6 is pushed and bursts or loses its atomization function. can be prevented by the elasticity of However, as shown in FIG. 5, an attachment portion 71 may be provided in the elastic insulating base 7, and the ultrasonic atomization sheet 6 is attached to the attachment portion 71 so that the ultrasonic atomization sheet is assembled after being assembled. It is possible to prevent the side wall of the ultrasonic atomization sheet 6 from being scratched or pushed by the shaking of the ultrasonic atomization sheet 6. - 特許庁

As shown in FIGS. 6 and 7, an embodiment of the electronic cigarette atomizer of the present invention includes a cartridge device A containing the above-described atomizing core C, and a cartridge A1 is provided in the cartridge device A. A1 is provided with a liquid outlet All, which is connected to the first liquid passage 11 of the outer sleeve 1 through the second liquid passage 31 of the elastic insulation sleeve 3, thus the liquid flows through the liquid outlet All, the second liquid passage port 31, and the first liquid passage port 11 to the wick 4, is supplied to the atomization area of the ultrasonic atomization sheet 6 via the wick 4, and the ultrasonic wave Atomization produces smoke. A liquid inlet A12 is provided at the top of the cartridge device A, and a mouthpiece device B is provided at the top of the cartridge device A. The mouthpiece device B is a mouthpiece lid B1 and a top lid B2 joined together, between which two second intake channels B3 and two child-locking structures B4 are provided, A mouthpiece B11 is provided on the mouthpiece lid B1, and the mouthpiece B11 is connected to the exhaust chamber 26 of the inner sleeve 2 via the adapter B6 and the ventilation tube 9, and the ventilation tube 9 is connected to the boss 25 inside the inner sleeve 2. Clamped and sealed, a third intake channel B5 is provided between the outer wall of the vent tube 9 and the mouthpiece device B, the cartridge device A, the second intake channel B3 passing through the third intake channel B5. is in communication with the first intake channel.

As shown in FIGS. 8 to 11, the two child-locking structures B4 are a button B41 extending from the case of the mouthpiece device B, and both limiting bosses B21 and child-locking means provided symmetrically on the bottom of the top cover B2. and an arcuate limit step movement groove A13 and a lock pin movement groove A14 provided at the top of the cartridge device A for both limit steps A131, and the limit step movement groove A13 and the lock pin movement The center angle of the groove A14 is 90 degrees, the locking groove A141 is provided at the tip of the lock pin movement groove A14, and the restriction step difference A131 is provided at each end of the limit step difference movement groove A13. is greater than the depth of the limiting step movement groove A13. The button B41 includes a lock pin B411 provided at the bottom and a second spring B412 that abuts against the mouthpiece lid B1.

When the cartridge device A and the mouthpiece device B are combined, both limiting bosses B21 are engaged with the corresponding limiting stepped movement grooves A13, and the locking pins B411 of the two buttons B41 pass through the mounting grooves B22 of the child lock means. When the cartridge device A and the mouthpiece device B are put together, the button B41 is engaged with the case of the mouthpiece device B, and both of the limit bosses B21 limit stepped movement. It is limited by a limiting step A131 at one end of the groove A13, so that the mouthpiece device B cannot rotate relative to the cartridge device A1. When the two buttons B41 are pressed at the same time to release the restriction by the case of the mouthpiece device B, the lock pin B411 is released from the restriction by the locking groove A141, and the mouthpiece device B rotates around the cartridge device A. When rotated 90 degrees clockwise, the lock pin B411 rotates counterclockwise in the lock pin movement groove A14, the limit boss B21 rotates counterclockwise 90 degrees in the limit step movement groove A13, and the liquid injection Open the inlet A12 to allow the e-liquid to be injected. After that, the mouthpiece device B rotates 90 degrees clockwise around the cartridge device A, and the lock pin B411 rotates clockwise in the lock pin moving groove A14, and is finally locked in the locking groove A141. , and the button B41 is engaged with the case of the mouthpiece device B, the restriction boss B21 rotates 90 degrees clockwise in the restriction step moving groove A13, and finally is restricted by the restriction step A131, and the liquid inlet A12 is closed. It is closed and the mouthpiece device B cannot rotate relative to the cartridge device A.

The above are only preferred embodiments of the present application and are not intended to limit the present application in any way. If there is, without departing from the scope of the technical solution of this application, some modifications and improvements made on the basis of the technical content disclosed above are all equivalent embodiments and are included in the scope of the technical solution. and

Claims (7)

It comprises an outer sleeve (1) and an inner sleeve (2) which are encased with each other, an atomization chamber (10) communicating with the first intake channel is provided on the lower surface of the inner sleeve, and the first air intake channel is provided on the outer sleeve. An atomizing core for an electronic cigarette, which is provided with a liquid passage port (11), both ends of a wick (4) are interposed between an outer sleeve and an inner sleeve, and both ends of the wick cover the first liquid passage port. There is
The inner sleeve is provided with a gas replenishing groove (243) for supplying gas to the cartridge, one end of the gas replenishing groove communicating with the first liquid passage port, and the other end communicating with the atomizing chamber. in communication with
An inner sleeve (2), a wick (4), an ultrasonic atomization sheet (6), an elastic insulating base (7) and an electrode unit (8) are sequentially provided from top to bottom in the lumen of the outer sleeve, A first electrode is provided on the upper surface of the ultrasonic atomization sheet, and a second electrode is provided on the lower surface of the ultrasonic atomization sheet. including one electrical connection end (81) and a second electrical connection end (83), wherein the first electrode of the ultrasonic atomization sheet is connected to the second electrical connection end of the electrode unit through the outer sleeve electrically connected, wherein the second electrode of the ultrasonic atomization sheet is electrically connected to the first electrical connection end of the electrode unit;
A contact portion (14) that contacts the first electrode of the ultrasonic atomization sheet is provided at the lower portion of the inner wall of the outer sleeve,
An atomizing core for an electronic cigarette, wherein a retraction part (15) is provided around the outer periphery of the contact part for preventing the side wall of the ultrasonic atomizing sheet from being pushed and bursting. . 2. The method according to claim 1, characterized in that in the lumen of the inner sleeve, a boss (25) for sealing and clamping the vent tube (9) and an exhaust chamber (26) are provided sequentially from top to bottom. atomization core for e-cigarettes. Two ventilation holes (22) are provided symmetrically at the top of the inner sleeve, and a ventilation groove (23) extending to the bottom of the inner sleeve is formed on the outer wall of the inner sleeve below the two ventilation holes. When the outer sleeve and the inner sleeve are fitted to each other, the inner wall of the outer sleeve and the two ventilation grooves respectively cause the first gas replenishment grooves and the gas replenishment grooves to be located at different positions in the circumferential direction. 2. The atomizing core for an electronic cigarette of claim 1, wherein the air intake channel is defined. A wick attachment groove (24) for attaching the wick is provided point-symmetrically on the circumference of the outer wall of the inner sleeve, and a clamp portion (24) for clamping the wick is provided above the wick attachment groove 241), a release portion (242) is provided at the bottom, the clamp portion, the release portion, and the gas supply groove are formed with different depths in the wick mounting groove, and 4. The atomizing core for electronic cigarette according to claim 3, wherein the depth of the wick mounting groove of the clamping part is smaller than the depth of the wick mounting groove of the release part. 5. The atomizing core for electronic cigarette according to claim 4, wherein the wick mounting groove and the ventilation groove are provided at different positions on the circumference . A support portion (13) is provided on the upper portion of the inner wall of the outer sleeve, a step (21) is provided on the uppermost portion of the outer wall of the inner sleeve, and the step is supported by the support portion. The atomizing core for an electronic cigarette according to claim 1. comprising a cartridge device (A) and a mouthpiece device (B) fixedly connected together for relative rotation, the cartridge being provided inside the cartridge device, the mouthpiece device having a second intake channel (B3) and An electronic cigarette atomizer provided with a mouthpiece (Bll),
The atomizing core for electronic cigarette according to any one of claims 1 to 6 is provided in the cartridge device, and a vent tube (9) is provided between the mouthpiece and the boss of the inner sleeve. , a third intake channel ( B5 ) is provided between the outer wall of the ventilation tube and the mouthpiece device, the cartridge device, and the second intake channel communicates with the first intake channel through the third intake channel. An atomizer for an electronic cigarette, characterized in that it communicates with a channel.

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