Atomizer capable of preventing air flow channel from being blockedTechnical Field
The invention relates to the technical field of electronic atomization equipment, in particular to an atomizer capable of preventing an airflow channel from being blocked.
Background
The electronic atomization device emits smoke for a user to use by heating atomized liquid, and generally comprises a battery rod and an atomizer, wherein a battery for supplying power to the atomizer is arranged in the battery rod, the atomizer comprises a heating unit, and the heating unit can atomize a solution to be atomized, namely the atomized liquid, into steam mist when being electrified so as to be sucked by a user suction inlet. The atomized liquid comprises electronic cigarette liquid, liquid medicine and the like, the electronic atomization equipment is particularly applied to electronic cigarettes, medical medicine atomization equipment and the like, and basically works to provide heating and atomization functions and convert the atomized liquid or liquid medicine and other solutions stored in the electronic atomization equipment into vapor, aerosol, steam and the like.
In the existing electronic atomization device, the material used as the liquid guiding body in the atomizer comprises a porous ceramic material, an atomization core made of the existing porous ceramic material is generally made into a tube shape, a liquid absorbing surface of the atomization core is arranged on the outer wall, an atomization surface is arranged in a central through hole of the atomization core, the central through hole of the atomization core is simultaneously used as an air flow channel, and air flows out through the central through hole. When the viscosity of the used atomized liquid is relatively large, the atomized liquid slowly seeps out from the atomizing surface and is easy to condense on the inner wall of the central through hole of the atomizing core after the atomizer stops working, so that the flow area of the central through hole is reduced, even the central through hole is blocked, and when the atomizer works next time, air flow cannot be sucked out from the central through hole or the air flow channel smoothly, and extremely bad use experience is caused for users.
Disclosure of Invention
The invention aims to provide an atomizer capable of preventing an airflow passage from being blocked, and capable of preventing an airflow through hole from being blocked.
The technical scheme of the invention is that the atomizer capable of preventing the air flow channel from being blocked is used for connecting a battery rod to form electronic atomization equipment, and is characterized by comprising a suction nozzle, an outer tube, an upper cover, a lower cover, a vent tube, a porous atomization core and a connecting seat, wherein the upper cover and the lower cover are respectively arranged at two ends of the outer tube, an air suction through hole which penetrates up and down is arranged in the suction nozzle, the suction nozzle is connected to the upper end of the upper cover, the vent tube is arranged at one side of the inner portion of the outer tube, the two ends of the vent tube are respectively connected with the upper cover and the lower cover in a penetrating manner, a liquid storage cavity is formed by the outer tube, the vent tube, the upper cover and the lower cover, a two-stage cavity comprising a first cavity and a second cavity is arranged at the upper end of the lower cover, the outer side wall of the upper part of the connecting seat is sleeved on the inner wall of the first cavity, the porous atomization core is accommodated and arranged in the second cavity, a throttling through hole is arranged above the second cavity and is communicated with the upper surface of the porous atomization core, the upper end face of the connecting seat is downwards provided with the atomizing cavity, and the air suction through hole is communicated with the upper surface of the porous atomization core.
Preferably, an atomization core sealing sleeve is arranged on the outer side wall of the porous atomization core and used for sealing a gap between the porous atomization core and the inner wall of the second cavity.
Preferably, a convex shoulder is arranged in the middle of the outer side wall of the upper cover, the outer side wall of the upper cover above the convex shoulder is connected to the inner wall of the lower end of the suction nozzle, and the outer side wall of the upper cover below the convex shoulder is sleeved with a first sealing ring and then connected to the inner wall of the upper end of the outer pipe.
Preferably, the upper cover is further provided with a liquid injection through hole which is vertically communicated, and a plug which can be inserted and pulled is arranged in the liquid injection through hole so as to block the liquid injection through hole.
Preferably, the lower cover is integrally sleeved on the inner wall of the lower part of the outer tube, and an O-shaped sealing ring is arranged between the lower cover and the outer tube.
Preferably, the porous atomization core comprises a porous body and a heating resistor, the upper end face of the porous body is provided with a liquid containing groove downwards, the heating resistor is arranged on the lower end face of the porous body, and two ends of the heating resistor are respectively connected with electrode pins.
Preferably, the upper portion of connecting seat includes two-stage lateral wall about the stairstepping, and wherein the external diameter of upper outer lateral wall is less than the external diameter of lower outer lateral wall, and upper outer lateral wall cover is located the first cavity inner wall of lower cover is equipped with vertical annular groove downwards between upper outer lateral wall and the lower outer lateral wall, is equipped with the clearance that the second sealing washer is used for sealing between upper outer lateral wall and the outer tube lower extreme inner wall on the vertical annular groove, be equipped with first inlet port intercommunication atomizing chamber on the lower outer lateral wall of connecting seat.
Preferably, a connecting pipe with a reduced outer diameter is arranged at the lower part of the connecting seat, and connecting threads are arranged on the outer side wall of the connecting pipe and are in threaded connection with the battery rod.
Preferably, the connecting pipe is internally sleeved with a tubular electrode, an electrode through hole is formed in the tubular electrode, an insulating ring is arranged between the tubular electrode and the connecting pipe, the upper end face of the tubular electrode is closed, and a second air inlet hole communicated with the electrode through hole is formed in the side face of the upper end of the tubular electrode.
Preferably, the outer tube is made of a transparent material so as to observe the atomized liquid remaining in the liquid storage chamber, and the porous body atomizing core includes a porous body made of a porous ceramic material.
The atomizer capable of preventing the airflow channel from being blocked has the beneficial effects that the atomizer is provided with the porous atomization core and the vent pipe, the atomization cavity is arranged at the lower part of the porous atomization core, the center through hole is not arranged in the middle of the porous atomization core, the liquid containing groove is arranged on the porous atomization core, the lower surface is arranged as the atomization surface, the atomized liquid is atomized in the atomization cavity after penetrating downwards from the liquid containing groove to the lower surface, and atomized airflow flows upwards through the vent pipe. In addition, the first air inlet hole of the connecting seat and the second air inlet hole of the tubular electrode are both at a distance from the bottom of the atomizing cavity, so that the atomized liquid leaking to the bottom of the atomizing cavity is prevented from flowing into and condensing on the first air inlet hole and the second air inlet hole, the phenomenon that an air flow channel is easy to be blocked is avoided, and the use experience of a user is greatly improved.
Drawings
FIG. 1 is an exploded view of an atomizer according to an embodiment of the present invention;
FIG. 2 is a front view of an atomizer according to an embodiment of the invention;
FIG. 3 is a side view A-A of the atomizer of the embodiment of the invention in FIG. 2
FIG. 4 is a side view of an atomizer according to an embodiment of the invention;
FIG. 5 is a front B-B cross-sectional view of the atomizer of the embodiment of the invention in FIG. 4;
FIG. 6 is a front view of an upper cover according to an embodiment of the present invention;
FIG. 7 is a perspective view of an upper cover according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of a lower cover in accordance with an embodiment of the present invention;
FIG. 9 is a second cross-sectional view of the lower cover of the embodiment of the present invention;
FIG. 10 is a perspective view of a lower cover according to an embodiment of the present invention;
FIG. 11 is a perspective view of a porous body atomizing core according to an embodiment of the present disclosure;
FIG. 12 is a bottom view of a porous atomizing core according to an embodiment of the present disclosure;
FIG. 13 is a perspective view of a connector base according to an embodiment of the present invention;
fig. 14 is a perspective view of a tubular electrode according to an embodiment of the present invention.
Wherein, the main reference sign indicates:
1. Suction nozzle, 10, suction through hole, 2, outer tube, 3, upper cover, 30, shoulder, 31, liquid injection through hole, 32, plug, 33, upper cover through hole, 4, lower cover, 401, first cavity, 402, second cavity, 41, throttling through hole, 42, lower cover through hole, 43, transverse annular groove, 44, O-shaped sealing ring, 5, vent pipe, 6, porous atomization core, 60, atomization core sealing sleeve, 61, porous body, 610, liquid containing groove, 62, heating resistor, 63, electrode pin, 7, connecting seat, 70, atomization cavity, 71, upper outer side wall, 72, lower outer side wall, 720, first air inlet hole, 73, vertical annular groove, 74, second sealing ring, 75, connecting tube, 76, tubular electrode, 760, second air inlet hole, 761, flange, 762, convex ring, 763, electrode through hole, 77, insulating ring, 8, liquid storage cavity.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent.
In order to facilitate the following description, the nozzle of the atomizer capable of preventing the blockage of the air flow passage is vertically arranged upwards as shown in fig. 2, and the description of the upper, lower, upper end, lower end, upper and lower parts and the like of each component refers to the upper and lower positional relationship when the nozzle of the atomizer capable of preventing the blockage of the air flow passage is vertically arranged upwards.
The atomizer capable of preventing the airflow channel from being blocked can be connected with a battery rod to form complete electronic atomization equipment.
Examples
As shown in fig. 1, the atomizer for preventing the blockage of an air flow passage comprises a suction nozzle 1, an outer tube 2, an upper cover 3, a lower cover 4, a vent pipe 5, a porous atomization core 6 and a connecting seat 7.
As shown in fig. 2 and 3, the upper cover 3 and the lower cover 4 are respectively arranged at two ends of the outer tube 2, an air suction through hole 10 which penetrates up and down is arranged in the suction nozzle 1, the suction nozzle 1 is connected with the upper end of the upper cover 3, the air pipe 5 is arranged at one side of the inner part of the outer tube 2, two ends of the air pipe 5 are respectively connected with the upper cover 3 and the lower cover 4 in a penetrating way, and a liquid storage cavity 8 is formed among the outer tube 2, the air pipe 5, the upper cover 3 and the lower cover 4 and used for storing atomized liquid.
As shown in fig. 2-5, a shoulder 30 is arranged in the middle of the outer side wall of the upper cover 3, the outer side wall of the upper cover above the shoulder 30 is connected to the inner wall of the lower end of the suction nozzle 1, and the outer side wall of the upper cover below the shoulder 30 is sleeved with a first sealing ring 34 and then connected to the inner wall of the upper end of the outer pipe 2. The upper cover 3 is also provided with a liquid injection through hole 31 which is vertically communicated, the liquid injection through hole 31 is used for injecting atomized liquid after assembly is completed or the atomized liquid is consumed for reinjection, and a plug 32 which can be inserted and pulled out is arranged in the liquid injection through hole 31 so as to plug the liquid injection through hole 31. The upper cover 3 is also provided with an upper cover through hole 33 beside the liquid injection through hole 31, and the upper cover through hole 33 is used for inserting and connecting the upper end of the vent pipe 5.
As shown in fig. 2, fig. 3, and fig. 6-fig. 8, the lower end of the lower cover 4 is upwardly provided with two-stage cavities including a first cavity 401 and a second cavity 402, the outer side wall of the upper portion of the connecting seat 7 is sleeved on the inner wall of the first cavity 401, the porous atomization core 6 is accommodated and installed in the second cavity 402, the outer side wall of the porous atomization core 6 is provided with an atomization core sealing sleeve 60 for sealing a gap between the porous atomization core 6 and the inner wall of the second cavity 402, a throttling through hole 41 is arranged above the second cavity 402 to communicate the liquid storage cavity 8 with the upper surface of the porous atomization core 6, the upper end of the connecting seat 7 is connected with the lower end of the lower cover 4 and the lower end of the outer tube 2, the upper end surface of the connecting seat 7 is downwardly provided with an atomization cavity 70, the lower surface of the porous atomization core 6 is provided with an atomization cavity 70 upper portion, and the vent pipe 5 is communicated with the air suction through hole 10 and the atomization cavity 70.
The other side of the lower cover 4, which is located at the second cavity 402, is provided with a lower cover through hole 42, which is communicated with the first cavity 401, and the lower cover through hole 42 is used for inserting and connecting the lower end of the vent pipe 5. The outer side wall of the lower cover is also provided with a transverse annular groove 43, an O-shaped sealing ring 44 is arranged in the transverse annular groove 43, the outer side wall of the lower cover 4 is integrally sleeved on the inner wall of the lower part of the outer pipe 2, and the O-shaped sealing ring 44 seals a gap between the lower cover 4 and the outer pipe 2.
As shown in fig. 9 and 10, the porous atomization core 6 includes a porous body 61 and a heating resistor 62, the upper end surface of the porous body 61 is provided with a liquid container 610 downward, the heating resistor 62 is provided on the lower end surface of the porous body 61, and both ends of the heating resistor 62 are respectively connected with electrode pins 63. The porous body 61 of the present invention is made of porous ceramics, and the porous body atomizing core 6 is a porous ceramic atomizing core. The porous ceramic has a microporous structure and can adsorb, conduct and permeate atomized liquid. The microporous structure in the porous body can allow the atomized liquid in the liquid container 610 to permeate and conduct the lower end surface of the porous body 61, so that the heating resistor 62 can heat and atomize.
As shown in fig. 2, 3 and 11, the upper portion of the connection seat 7 includes a stepped upper and lower outer side walls, wherein the outer diameter of the upper outer side wall 71 is smaller than the outer diameter of the lower outer side wall 72, the upper outer side wall 71 is sleeved on the inner wall of the first cavity 401 of the lower cover, a vertical annular groove 73 is downwardly arranged between the upper outer side wall 71 and the lower outer side wall 72, and a second sealing ring 74 is arranged on the vertical annular groove 73 to seal a gap between the upper outer side wall 71 and the inner wall of the lower end of the outer tube 2. The lower part of the connecting seat 7 is provided with a connecting pipe 75 with a reduced outer diameter, and the outer side wall of the connecting pipe 75 is provided with connecting threads for threaded connection with the battery rod. The lower outer side wall 72 of the connecting seat 7 is transversely provided with a first air inlet hole 720 communicated with the atomizing cavity 70. The first air inlet hole 720 has a height difference from the bottom of the atomizing cavity 70, so that atomized liquid leaking to the bottom of the atomizing cavity 70 is prevented from flowing into the first air inlet hole 720, and thicker atomized liquid flows into the first air inlet hole 720 to easily cause blockage.
As shown in fig. 2, 3 and 11, the connecting tube 75 is internally sleeved with a tubular electrode 76, the tubular electrode is used for connecting one electrode pin 63, and the connecting seat 7 is connected with the other electrode pin 63. An electrode through hole 763 is arranged in the tubular electrode, an insulating ring 77 is arranged between the tubular electrode 76 and the connecting pipe 75, the upper end face of the tubular electrode 76 is closed, a second air inlet 760 communicated with the electrode through hole 763 is arranged on the side face of the upper end, and the electrode through hole 763 is led to the second air inlet 760 from the bottom. The upper end face of the tubular electrode 76 is closed, so that atomized liquid leaked from the porous atomization core 6 at the upper part of the atomization cavity can be prevented from dropping into the electrode through hole 763 of the tubular electrode 76, and the thicker atomized liquid easily causes the blockage of the electrode through hole 763, so that the air flow sensor cannot sense the air suction flow. The second air inlet 760 is disposed on the upper side of the tubular electrode 76 and is spaced at a relatively high distance from the bottom of the atomizing chamber 70, so that atomized liquid leaking to the bottom of the atomizing chamber 70 is prevented from flowing into the electrode through hole 763 in the tubular electrode 76 through the second air inlet 760, and the thicker atomized liquid easily causes blockage of the electrode through hole. The bottom end of the tubular electrode 76 is provided with a flange 761 and the outer side wall of the tubular electrode is provided with a collar 762, and the flange 761 and the collar 762 are used for clamping the insulating ring 77 and fixing the insulating ring in the connecting pipe 75.
As shown in fig. 1-3, the outer tube is made of a transparent material to allow for viewing of the atomized liquid level in the liquid reservoir.
As shown in fig. 2, in the atomizer for preventing the blockage of the airflow channel according to the embodiment of the invention, when the atomizer works, the suction nozzle sucks air, so that the external air flows into the atomizing cavity 70 from the first air inlet hole 720, at this time, the atomized liquid flows downwards from the liquid storage cavity 8 to the liquid storage groove 610 of the porous atomization core and then permeates onto the atomization surface at the bottom of the porous atomization core 6, and is heated and atomized by the heating resistor 62 to form vapor, which is dispersed in the atomizing cavity 70, and the vapor flows upwards through the ventilation pipe 5 and the air suction through hole 10 along with the external air, and is sucked into the user's mouth. When the suction nozzle sucks air, negative pressure is generated in the tubular electrode 76 at the same time, air flows upwards from the bottom of the electrode through hole 763 of the tubular electrode 76 and flows into the atomization cavity 70 through the second air inlet 760, the tubular electrode 76 is connected with the battery rod, the electrode through hole 763 of the tubular electrode is also communicated with the induction through hole in the battery rod, so that an air flow sensor or an air pressure sensor communicated with the induction through hole is triggered, and the heating resistor 62 is started to be electrified. The continuous arrows in the figure show the direction of airflow during operation of the atomizer. The atomizer is provided with a porous atomization core and a vent pipe, wherein an atomization cavity is arranged at the lower part of the porous atomization core, a central through hole is not arranged in the middle of the porous atomization core, a liquid containing groove is arranged on the porous atomization core, the lower surface is set as an atomization surface, atomized liquid permeates downwards from the liquid containing groove to the lower surface and is atomized in the atomization cavity, and atomized airflow flows upwards and flows out through the vent pipe. According to the structure of the atomizer, when the atomized liquid with high viscosity is used, the atomized liquid can not block the vent pipe even if slowly seeps out from the atomized surface to cause coagulation, so that the phenomenon that an airflow channel is easily blocked is avoided.
The foregoing description is only of the preferred embodiments of the invention, and the above-described embodiments are not intended to limit the invention. Various changes and modifications may be made within the scope of the technical idea of the present invention, and any person skilled in the art may make any modification, modification or equivalent substitution according to the above description, which falls within the scope of the present invention.