CN211672467U

CN211672467U - Electronic cigarette heated by hot air flow

Info

Publication number: CN211672467U
Application number: CN201922243261.7U
Authority: CN
Inventors: 朱春兰
Original assignee: Zhongshan Jutailai Electronic Technology Co ltd
Current assignee: Zhongshan Jutailai Electronic Technology Co ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-10-16
Anticipated expiration: 2029-12-13

Abstract

The utility model discloses an electron cigarette of hot gas flow heating, include: a battery pole; the heating assembly comprises an electric heating piece and a heat storage piece, the electric heating piece is arranged on the battery rod, the heat storage piece is connected with the electric heating piece, and the heat storage piece is provided with an airflow heating channel. Through being provided with heat accumulation spare and being connected with the electric heat piece, the heat accumulation spare is provided with the air current heating channel that allows outside air current to pass through for when heating, not only electric heat piece heats with the air current contact, and heat accumulation spare also absorbs the heat from the electric heat piece and heats the air current simultaneously, and the area of contact of increase air current heating prolongs the heating time of air current simultaneously, and then reaches even heating air current and the effect of the sufficient temperature of air current rising.

Description

Electronic cigarette heated by hot air flow

Technical Field

The utility model relates to an electron cigarette field especially relates to electron cigarette of heating tobacco.

Background

The traditional cigarette needs to ignite tobacco when being smoked, and harmful substances such as carbon monoxide, tar and the like can be generated by the combustion of the tobacco, so in order to reduce the harm to smokers, airflow heating type electronic cigarettes are available on the market, and smoke is generated by baking the tobacco through hot airflow so as to reduce the generation of the harmful substances.

Airflow heating type electron cigarette among the prior art generally uses heating devices such as heating resistor silk, the stick that generates heat to heat the air, however, when smoker smokes, the contact time that the airflow flows through heating devices is short, uses heating devices such as heating resistor silk or the stick that generates heat can not the even heating air current that flows through to the not enough condition of air current temperature rise can appear, and then leads to the insufficient problem when the tobacco is toasted to the hot gas flow, influences the effect that heating tobacco produced smog.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem, the present invention provides an electronic cigarette of airflow heating type, which can heat the airflow uniformly and make the airflow rise to a sufficient temperature.

The utility model provides a technical scheme that its technical problem provided is:

a hot airflow heated electronic cigarette comprising:

a battery pole;

the heating assembly comprises an electric heating piece and a heat storage piece, the electric heating piece is arranged on the battery rod, the heat storage piece is connected with the electric heating piece, and the heat storage piece is provided with an airflow heating channel.

Preferably, the heating assembly further comprises a casing, the casing is detachably connected with the battery rod, the casing is provided with an inner cavity, an air inlet and an air outlet are formed in the wall surface of the inner cavity, the electric heating element and the heat storage element are arranged in the inner cavity, and external air flow can flow into the air inlet and pass through the electric heating element and the heat storage element and then flow out of the air outlet.

Preferably, still include the preheater tube, the casing is provided with the baffle, the baffle will the inner chamber divide into the cavity and the cavity of giving up one's residence down, go into the gas port set up in on the wall of cavity of giving up one's residence down, the electric heat piece and the heat accumulation piece sets up in the cavity of giving up one's residence, the gas outlet sets up on the wall of cavity of giving up one's residence, the baffle is provided with the intercommunicating pore of cavity of giving up one's residence and cavity of giving up one's residence down, the one end of preheater tube with the baffle is connected and the preheater tube with the intercommunicating pore intercommunication, be provided with the air vent on.

Preferably, the battery rod is provided with a circular groove, a first conductive thread portion is arranged on the inner side wall of the circular groove, a first conductive piece is arranged at the bottom of the circular groove, the shell is provided with a cylindrical block, a second conductive thread portion matched with the first conductive thread portion is arranged on the outer side wall of the cylindrical block, a second conductive piece is arranged at the end portion of the cylindrical block, one conductive pin of the electric heating piece is electrically connected with the second conductive thread portion, and the other conductive pin of the electric heating piece is electrically connected with the second conductive piece.

Preferably, the cigarette holder further comprises a cigarette holder part, the cigarette holder part is provided with a storage groove, a smoke through hole is formed in the wall surface of the storage groove, and the cigarette holder part is detachably connected with the shell, so that the shell and the storage groove form a tobacco cavity in an enclosing mode, and the air outlet is communicated with the tobacco cavity.

Preferably, the gas storage device further comprises an extension pipe arranged on the shell, one end of the extension pipe is communicated with the gas outlet, the other end of the extension pipe extends to be close to the bottom of the storage tank, and a gas outlet hole group is arranged on the side wall of the extension pipe.

Preferably, the housing is provided with an insertion portion matching with the opening of the storage groove, a sealing ring is arranged on the side wall of the insertion portion, and the insertion portion is inserted into the storage groove to form the tobacco cavity.

Preferably, the cigarette holder further comprises a heat shield detachably connected with the battery rod, the heat shield is sleeved outside the shell, and the heat shield is provided with an insertion opening allowing the cigarette holder to pass through.

Preferably, a gap is left between the insertion opening and the mouthpiece to form an air inlet.

Preferably, the electric heating piece is a ceramic heating piece, a metal heating piece or a heating wire, the heat storage piece is a wire mesh, and the cigarette holder piece is made of glass, quartz or ceramic materials.

The utility model has the advantages that: through being provided with heat accumulation spare and being connected with the electric heat piece, the heat accumulation spare is provided with the air current heating channel that allows outside air current to pass through for when heating, not only electric heat piece heats with the air current contact, and heat accumulation spare also absorbs the heat from the electric heat piece and heats the air current simultaneously, and the area of contact of increase air current heating prolongs the heating time of air current simultaneously, and then reaches even heating air current and the effect of the sufficient temperature of air current rising.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is an exploded perspective view of one embodiment of the present invention;

FIG. 2 is a cross-sectional view of one embodiment of the present invention;

FIG. 3 is a cross-sectional view of one embodiment of a heating assembly;

FIG. 4 is a schematic view of the flow direction of one embodiment of the present invention;

figure 5 is a cross-sectional view of one embodiment of a mouthpiece.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, the present invention provides an electronic cigarette heated by hot air flow, including: a battery pole 1; the heating assembly 2, the heating assembly 2 include electric heat piece 21 and heat accumulation piece 22, and electric heat piece 21 sets up on battery pole 1, and heat accumulation piece 22 is connected with electric heat piece 21, and heat accumulation piece 22 is provided with the air current heating channel.

Through being provided with heat accumulation spare 22 and being connected with electric heat piece 21, heat accumulation spare 22 is provided with the air current heating channel that allows the air current to pass through for when heating, not only electric heat piece 21 heats with the air current contact, and heat accumulation spare 22 also absorbs the heat from electric heat piece 21 simultaneously and heats the air current, and the area of contact of increase air current heating prolongs the heating time of air current simultaneously, and then reaches the effect of even heating air current and the sufficient temperature of air current rising.

In a preferred embodiment, the battery rod 1 is provided with a control unit, and the control unit is electrically connected with the electric heating element 21 to control the operation of the electric heating element 21. The control unit can be an implementation mode of a switch key and a driving circuit, and a user operates the switch key to control the driving circuit to output current to the electric heating element 21 so that the electric heating element 21 generates heat and heats airflow; the control unit can also be an implementation mode of a control key, a single chip microcomputer and a driving circuit, a user generates a control signal through the control piece and transmits the control signal to the single chip microcomputer, and the single chip microcomputer controls the driving circuit to output currents with different current values to the electric heating piece 21 according to the control signal so as to control the heating power of the electric heating piece 21; the control unit can also be other devices, circuits or modules capable of controlling the electric heating element 21 to perform heating operation.

In a preferred embodiment, the electric heating member 21 is a ceramic heating plate, a metal heating plate or a heating wire, and the heat storage member 22 is a wire mesh. The ceramic heating sheet has the advantages of high thermal efficiency and long service life, the metal heating sheet and the heating wire have the advantage of fast heating, the wire mesh has the advantage of fast heat conduction efficiency, and meanwhile, the wire mesh has sufficient air flow through holes to form an air flow heating channel, can be fully contacted with air flow and uniformly heat the air flow. The metal wire mesh can be a multi-layer planar structure or a three-dimensional net structure.

Referring to fig. 1 to 3, as a preferred embodiment, the heat generating component 2 further includes a housing 23, the housing 23 is detachably connected to the battery rod 1, the housing 23 is provided with an inner cavity 231, a wall surface of the inner cavity 231 is provided with an air inlet 232 and an air outlet 233, the electric heating element 21 and the heat storage element 22 are disposed in the inner cavity 231, and an external air flow can flow in from the air inlet 232, pass through the electric heating element 21 and the heat storage element 22, and then flow out from the air outlet 233.

Through casing 23 and battery pole 1 detachably connected, can conveniently maintain or change when heating element 2 trouble or damage, it is more convenient to use. Meanwhile, the inner cavity 231 of the housing 23 is provided with the air inlet 232 and the air outlet 233, so that the air flow flows into the inner cavity 231 from the air inlet 232, and can flow out from the air outlet 233 after contacting with the electric heating element 21 and the heat storage element 22, thereby improving the heating reliability.

Referring to fig. 3, as a preferred embodiment, the housing 23 is provided with a partition 234, the partition 234 divides the inner cavity 231 into an upper sub-cavity and a lower sub-cavity, the air inlet 232 is provided on a wall surface of the lower sub-cavity, the electric heating member 21 and the heat storage member 22 are provided in the upper sub-cavity, the air outlet 233 is provided on a wall surface of the upper sub-cavity, and the partition 234 is provided with a communication hole communicating the upper sub-cavity and the lower sub-cavity.

Divide into the upper part chamber and lower sub chamber through baffle 234 with inner chamber 231, the air current gets into sub chamber back down from income gas port 232, gets into the upper part chamber through the intercommunicating pore and contacts with electric heat piece 21 and heat accumulation piece 22 and promote the temperature, finally flows out from gas outlet 233. The mode of coming into from lower subchamber with the air current can be complete take out the hot-air that originally exists in the upper subchamber, improves the thermal efficiency.

Referring to fig. 1 to 4, as a preferred embodiment of detachably connecting the housing 23 and the battery rod 1 and electrically connecting the control unit and the electric heating element 21, the battery rod 1 is provided with a circular groove 11, a first conductive thread portion 111 is provided on an inner side wall of the circular groove 11, a first conductive element 112 is provided at a bottom of the circular groove 11, the housing 23 is provided with a cylindrical block 235, a second conductive thread portion 2351 matched with the first conductive thread portion 111 is provided on an outer side wall of the cylindrical block 235, a second conductive element 2352 is provided at an end of the cylindrical block 235, the control unit is electrically connected to the first conductive thread portion 111 and the first conductive element 112, one conductive pin of the electric heating element 21 is electrically connected to the second conductive thread portion 2351, and the other conductive pin of the electric heating element 21 is electrically connected to the second conductive element 2352.

The cylindrical block 235 is rotated to extend into the circular groove 11, and the first conductive thread portion 111 is engaged with the second conductive thread portion 2351, so that the housing 23 is connected with the battery rod 1, that is, the housing 23 and the battery rod 1 are connected in a detachable manner by a thread. When the housing 23 is connected to the battery rod 1, the first conductive thread portion 111 contacts the second conductive thread portion 2351, such that the control unit is electrically connected to one conductive pin of the electric heating element 21, and the second conductive member 2352 at the end of the cylindrical block 235 contacts the first conductive member 112 at the bottom of the circular groove 11, such that the control unit is electrically connected to the other conductive pin of the electric heating element 21, such that a loop is formed between the control unit and the electric heating element 21, thereby achieving the purpose of electrically connecting the control unit and the electric heating element 21.

The first conductive thread part 111 and the second conductive thread part 2351 may be embodiments of a threaded metal block connected with the circular groove 11 or the cylindrical block 235; alternatively, the inner wall surface of the circular groove 11 or the cylindrical block 235 may be integrally provided with threads, and the threaded surface may be provided with a metal layer to form the first conductive thread portion 111 or the second conductive thread portion 2351. The first conductive member 112 and the second conductive member 2352 may be implemented by metal elastic sheets or spring electrodes. In a preferred embodiment, the cylindrical block 235 is made of metal, the second threaded portion is integrally formed on a sidewall of the cylindrical block 235, a cavity is formed in the center of the cylindrical block 235, the second conductive member 2352 is located in the cavity, an insulating member is disposed between the second conductive member 2352 and the cylindrical block 235, one conductive pin of the electric heating member 21 extends between the cylindrical block 235 and the insulating member, and the other conductive pin of the electric heating member 21 extends between the insulating member and the second conductive member 2352.

Referring to fig. 1, 2, 4 and 5, as a preferred embodiment, the cigarette holder further comprises a cigarette holder 3, the cigarette holder 3 is provided with a storage groove 31, a wall surface of the storage groove 31 is provided with a smoke through hole 311, the cigarette holder 3 is detachably connected with the housing 23, so that the housing 23 and the storage groove 31 enclose a tobacco cavity and the air outlet 233 is communicated with the tobacco cavity.

When the cigarette holder is used, tobacco is filled into the storage tank 31, when the cigarette holder piece 3 is connected with the shell 23, the storage tank 31 and the shell 23 enclose a tobacco cavity, the tobacco is baked by the heating airflow flowing out of the air outlet 233 to generate smoke, and the smoke is discharged from the smoke through hole 311 and finally enters the oral cavity of a user. In this way, can change the tobacco through dismantling cigarette holder spare 3, it is more convenient to use. The mouthpiece 3 is preferably made of glass, quartz or ceramic material and the housing 23 is preferably made of stainless steel material, which does not generate harmful substances even at high temperatures, and is good for health.

Referring to fig. 1 to 4, in order to fully use the tobacco, the tobacco smoking device further includes an extension pipe 24 disposed on the housing 23, one end of the extension pipe 24 is communicated with the air outlet 233, the other end of the extension pipe 24 extends to be close to the bottom of the storage tank 31, and an air outlet hole set 241 is disposed on a side wall of the extension pipe 24.

When the heating air flow flows into the tobacco cavity from the air outlet 233, the heating air flow firstly heats the tobacco near the air outlet 233, so that the temperature of the tobacco near the air outlet 233 is heated to be higher, and the temperature of the tobacco far away from the air outlet 233 is heated to be lower, so that the tobacco near the air outlet 233 is used up first, namely the tobacco is used unevenly, and further the tobacco is used insufficiently. To this end, one end of the extension pipe 24 is connected with the air outlet 233, and the other end of the extension pipe 24 is close to the bottom of the storage tank 31, so that the heating air flow flows out from the air outlet hole group 241 of the extension pipe 24 to uniformly heat the whole tobacco cavity, which is beneficial to fully using tobacco and avoiding waste.

Referring to fig. 3 and 5, as a preferred embodiment of the removable connection of the mouthpiece 3 to the housing 23, the housing 23 is provided with an insertion portion 236 matching the opening of the storage groove 31, the insertion portion 236 is provided with a sealing ring 2361 on the side wall thereof, and the insertion portion 236 is inserted into the storage groove 31 to form a tobacco cavity.

The storage tank 31 opening of cigarette holder spare 3 matches with insertion portion 236, can make cigarette holder spare 3 peg graft with casing 23 when insertion portion 236 stretches into storage tank 31, and sealing ring 2361 can avoid the air current to get into the tobacco chamber from the gap between cigarette holder spare 3 and the casing 23 simultaneously, ensures that only heating air current gets into the tobacco chamber from gas outlet 233, and sealing ring 2361 can increase and cigarette holder spare 3 between frictional force, make cigarette holder spare 3 and casing 23's grafting more firm.

Referring to fig. 1, 2, 4 and 5, as a preferred embodiment, the battery pack further comprises a heat shield 4 detachably connected to the battery rod 1, the heat shield 4 is sleeved outside the housing 23, and the heat shield 4 is provided with an insertion opening allowing the mouthpiece 3 to pass through.

Because electric heat piece 21 temperature is higher when generating heat, in order to prevent that the user from scalding in the use, establish outside casing 23 through heat insulating shroud 4 cover, the heat is kept apart outside the heating element promptly, the protection user, the improvement is used and is experienced, heat insulating shroud 4 can keep the heat in inside simultaneously, reduces thermal speed of giving off, is favorable to maintaining heating element's heating temperature, the increasing of heat efficiency.

In a preferred embodiment, a gap is left between the insertion opening and the mouthpiece 3 to form an air inlet. Outside air gets into in the heat exchanger 4 that separates from the air inlet, reduces and separates the inside temperature of heat exchanger 4 simultaneously, brings the heat into heating element 2, and with this mode, make full use of heat improves whole thermal efficiency.

Referring to fig. 1, 2, 4 and 5, as a preferred embodiment, the mouthpiece 3 is provided with a smoke outlet 32 and a smoke passage 33 communicating the smoke through hole 311 and the smoke outlet 32, and a protrusion 34 is provided on a side wall of the smoke passage 33 to extend the length of the smoke passage 33.

When tobacco is baked by heating airflow to generate smoke, the temperature of the smoke is higher, and the protruding blocks 34 are arranged on the side wall of the smoke channel 33, so that the distance from the smoke through hole 311 to the smoke outlet 32 is increased, the smoke transmits more heat to the cigarette holder piece 3, the temperature of the smoke leaving the smoke outlet 32 is reduced, and discomfort caused by overhigh temperature when the smoke enters the oral cavity of a user is prevented.

Referring to fig. 2, as a preferred embodiment, the battery pole 1 is provided with a battery cavity 12, and a battery is placed in the battery cavity 12 to supply power to the control unit.

The above embodiments are merely preferred embodiments of the present invention, and other embodiments are also possible. Equivalent modifications or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalent modifications or substitutions are intended to be included within the scope of the claims set forth herein.

Claims

1. An electronic cigarette heated by a flow of hot gases, comprising:

a battery pole (1);

heating element (2), heating element (2) include electric heat spare (21) and heat accumulation spare (22), electric heat spare (21) set up on battery pole (1), heat accumulation spare (22) with electric heat spare (21) are connected, heat accumulation spare (22) are provided with the air current heating channel.

2. A hot gas flow heated electronic cigarette as claimed in claim 1, wherein: the heating assembly (2) further comprises a shell (23), the shell (23) is detachably connected with the battery rod (1), an inner cavity (231) is formed in the shell (23), an air inlet (232) and an air outlet (233) are formed in the wall surface of the inner cavity (231), the electric heating piece (21) and the heat storage piece (22) are arranged in the inner cavity (231), and external air flow can flow into the air inlet (232) and pass through the electric heating piece (21) and the heat storage piece (22) and then flow out of the air outlet (233).

3. A hot gas flow heated electronic cigarette as claimed in claim 2, wherein: casing (23) are provided with baffle (234), baffle (234) will inner chamber (231) are divided into the cavity of going up and sub-cavity down, income gas port (232) set up in on the wall of sub-cavity down, electric heat spare (21) and heat accumulation spare (22) set up in go up sub-cavity, gas outlet (233) set up go up on the wall of sub-cavity, baffle (234) are provided with the intercommunicating pore that the cavity of going up and sub-cavity down communicate.

4. A hot gas flow heated electronic cigarette as claimed in claim 2, wherein: the battery pole (1) is provided with circular recess (11), be provided with first electrically conductive screw thread portion (111) on the inside wall of circular recess (11), the bottom of circular recess (11) is provided with first electrically conductive (112), casing (23) are provided with cylinder piece (235), be provided with on the lateral wall of cylinder piece (235) with second electrically conductive screw thread portion (2351) that first electrically conductive screw thread portion (111) matees, the tip of cylinder piece (235) is provided with second electrically conductive (2352), one of them electrically conductive pin of electric heat spare (21) with second electrically conductive screw thread portion (2351) electric connection, another electrically conductive pin of electric heat spare (21) with second electrically conductive (2352) electric connection.

5. A hot gas flow heated electronic cigarette as claimed in claim 2, wherein: still include cigarette holder spare (3), cigarette holder spare (3) are provided with hold up tank (31), be provided with smog through-hole (311) on the wall of hold up tank (31), cigarette holder spare (3) with casing (23) detachably connects to make casing (23) with hold up tank (31) enclose into the tobacco chamber and gas outlet (233) with the tobacco chamber intercommunication.

6. A hot gas flow heated electronic cigarette as claimed in claim 5, wherein: still including setting up extension pipe (24) on casing (23), the one end of extension pipe (24) with gas outlet (233) intercommunication, the other end of extension pipe (24) extends and is close to the bottom of holding vessel (31), be provided with gas outlet group (241) on the lateral wall of extension pipe (24).

7. A hot gas flow heated electronic cigarette as claimed in claim 5, wherein: the casing (23) is provided with an insertion portion (236) matched with an opening of the storage groove (31), a sealing ring (2361) is arranged on a side wall of the insertion portion (236), and the insertion portion (236) is inserted into the storage groove (31) to form the tobacco cavity.

8. A hot gas flow heated electronic cigarette as claimed in claim 5, wherein: still include with battery pole (1) can dismantle thermal-insulated cover (4) of connection, thermal-insulated cover (4) cover is established outside casing (23), thermal-insulated cover (4) are provided with the allowwed inserted hole that cigarette holder spare (3) pass through.

9. A hot gas flow heated electronic cigarette as claimed in claim 8, wherein: a gap is left between the insertion opening and the cigarette holder piece (3) to form an air inlet.

10. A hot gas flow heated electronic cigarette as claimed in claim 5, wherein: the electric heating piece (21) is a ceramic heating piece, a metal heating piece or a heating wire, the heat storage piece (22) is a wire mesh, and the cigarette holder piece (3) is made of glass, quartz or a ceramic material.