US-12622467-B2 - Electronic-cigarette vaporization component and electronic cigarette

US12622467B2US 12622467 B2US12622467 B2US 12622467B2US-12622467-B2

Abstract

An electronic-cigarette vaporization component includes a housing, a vaporization core fixing device, and a vaporization core component. The housing has a liquid storage cavity, an outlet channel, and a vaporization cavity in communication with the outlet channel. An air inlet in communication with the vaporization cavity and an air outlet in communication with the outlet channel are provided on the housing. The vaporization core fixing device is arranged in the housing and formed with a mounting groove and a communication channel. The vaporization cavity has a first end in communication and a second end in communication with one end of the outlet channel distant from the air outlet. At least a portion of the communication channel is arranged obliquely with respect to the outlet channel. The vaporization core component is mounted in the mounting groove and in communication with the liquid storage cavity and the vaporization cavity respectively.

Inventors

Jianguo TANG
Qibin JIN
Yinbo LU
Guiping HOU

Assignees

BYD PRECISION MANUFACTURE CO., LTD.

Dates

Publication Date: 20260512
Application Date: 20230630
Priority Date: 20220329

Claims (17)

1 . An electronic-cigarette vaporization component, comprising: a housing, wherein the housing has a liquid storage cavity provided therein, an outlet channel, and a vaporization cavity in communication with the outlet channel, and an air inlet communicating with the vaporization cavity and an air outlet in communication with the outlet channel are provided on the housing; a vaporization core fixing device, wherein the vaporization core fixing device is fixed in the housing, the liquid storage cavity is separated from the vaporization cavity by the vaporization core fixing device, the vaporization core fixing device is provided with a mounting groove and a communication channel, the mounting groove and the communication channel are spaced apart, a first end of the communication channel is in communication with the vaporization cavity, a second end of the communication channel is in communication with an end of the outlet channel distant from the air outlet, and at least a portion of the communication channel is arranged obliquely with respect to the outlet channel; and a vaporization core component, wherein the vaporization core component is mounted in the mounting groove, and the vaporization core component is in communication with the liquid storage cavity and the vaporization cavity respectively, wherein the housing has a length direction, a width direction, and a thickness direction, a maximum dimension of the housing in the length direction is larger than a maximum dimension of the housing in the width direction, and the maximum dimension of the housing in the width direction is larger than or equal to a maximum dimension of the housing in the thickness direction, wherein the vaporization core fixing device comprises: a fixing portion, wherein the mounting groove is formed on the fixing portion, a communication hole is formed in the fixing portion, and the communication hole is located on one side of the mounting groove in the width direction; and a channel portion, wherein the channel portion is located on one side of the fixing portion in the length direction, the channel portion comprises a first channel segment and a first connecting segment, the first channel segment and the communication hole are in communication with each other to form a second channel segment of the communication channel, and the first connecting segment forms a second connecting segment of the communication channel.
2 . The electronic-cigarette vaporization component according to claim 1 , wherein the first end of the communication channel is located between the mounting groove and an inner side wall of the housing, and a central axis of the first end of the communication channel is closer to the inner side wall of the housing than a central axis of the outlet channel is.
3 . The electronic-cigarette vaporization component according to claim 1 , wherein in the width direction, the first end of the communication channel is located on one side of the mounting groove, and the portion of the communication channel is arranged obliquely with respect to the outlet channel in the width direction.
4 . The electronic-cigarette vaporization component according to claim 1 , wherein the communication channel comprises the second channel segment and the second connecting segment in communication with each other, and the second channel segment is inclined in the width direction with respect to the outlet channel; and the second connecting segment is sleeved on an outer peripheral side of the end of the outlet channel distant from the air outlet; wherein an included angle between a central axis of the second channel segment and a central axis of the outlet channel ranges from 20° to 70°, and a central axis of the second connecting segment coincides with the central axis of the outlet channel; wherein a cross-sectional area of the second connecting segment is larger than a cross-sectional area of the second channel segment; wherein a connecting wall is connected between a side wall of the second connecting segment and a side wall of the second channel segment, and an end surface of the end of the outlet channel distant from the air outlet presses against the connecting wall; and wherein a sealing sleeve is sleeved on the side wall of the second connecting segment, the sealing sleeve is arranged surrounding the outlet channel, and the sealing sleeve is at least partially located between an inner wall surface of the side wall of the second connecting segment and an outer wall surface of the outlet channel.
5 . The electronic-cigarette vaporization component according to claim 1 , wherein an inner wall of the communication hole is inclined toward the outlet channel in the width direction, the first channel segment obliquely extends from the fixing portion toward the outlet channel in the width direction, and the inner wall of the communication hole and an inner wall of the first channel segment are connected to each other to form an inner wall of the second channel segment.
6 . The electronic-cigarette vaporization component claim 4 , wherein the sealing sleeve comprises a first sealing wall, a second sealing wall, and an end edge connecting the first sealing wall and the second sealing wall; an annular groove is defined by the first sealing wall, the second sealing wall, and the end edge, and the side wall of the second connecting segment is inserted into the annular groove, wherein the first sealing wall is in interference fit with an outer wall of the outlet channel and the inner wall surface of the side wall of the second connecting segment respectively, the second sealing wall is in interference fit with an inner wall of the housing and an outer wall surface of the side wall of the second connecting segment respectively in the thickness direction of the housing, and the end edge presses against a top wall of the second connecting segment, and wherein a sealing rib is arranged on a side surface of the first sealing wall facing the outlet channel, and the sealing rib is arranged surrounding the outlet channel.
7 . The electronic-cigarette vaporization component according to claim 1 , wherein a cross-section of the outlet channel is circular, or elliptical.
8 . The electronic-cigarette vaporization component according to claim 1 , wherein in the length direction, the housing and the vaporization core component have a central axis, and a central axis of the outlet channel, the central axis of the housing, and the central axis of the vaporization core component coincide with each other.
9 . The electronic-cigarette vaporization component according to claim 1 , wherein in the length direction, the housing and the vaporization core component have a central axis, the central axis of the housing coincides with the central axis of the vaporization core component, a central axis of the outlet channel is deviated by a distance from the central axis of the housing and the central axis of the vaporization core component, and the first end of the communication channel is located on one side of the mounting groove distant from the outlet channel in the width direction.
10 . The electronic-cigarette vaporization component according to claim 1 , wherein the vaporization core component comprises: a vaporization core, wherein the vaporization core comprises a porous body and a heating element arranged on the porous body, the porous body comprises a liquid guiding portion and a vaporization portion, the liquid guiding portion is in communication with the liquid storage cavity, the vaporization portion is in communication with the vaporization cavity, a projected area of the liquid guiding portion is smaller than a projected area of the vaporization portion in a direction perpendicular to the length direction, and a step surface is formed between the liquid guiding portion and the vaporization portion; and a vaporization-core sealing member, wherein the vaporization-core sealing member is sleeved on an outer peripheral edge of the porous body, the vaporization-core sealing member comprises a first sealing edge, a second sealing edge, and a sealing connecting portion connected between the first sealing edge and the second sealing edge, the first sealing edge covers an outer edge of a side surface of the liquid guiding portion facing the liquid storage cavity, the second sealing edge covers the step surface, and the sealing connecting portion covers a side surface of the liquid guiding portion.
11 . The electronic-cigarette vaporization component according to claim 10 , wherein in the length direction, the liquid guiding portion and the vaporization portion each have a thickness dimension, the thickness dimension of the liquid guiding portion is 0.5 mm to 5 mm, and the thickness dimension of the vaporization portion is 0.3 mm to 3 mm.
12 . The electronic-cigarette vaporization component according to claim 10 , wherein a stop portion is constructed on a side wall of the mounting groove, and the stop portion is stopped against a side surface of the second sealing edge facing the outlet channel in the length direction.
13 . The electronic-cigarette vaporization component according to claim 1 , wherein the vaporization core fixing device further comprises an air exchange cavity, the air exchange cavity and the communication hole are located on two sides of the mounting groove in the width direction, an air exchange through hole is formed on a cavity wall of the air exchange cavity, the air exchange cavity is in communication with the vaporization cavity through the air exchange through hole, an air exchange groove is formed on an outer peripheral surface of one side of the vaporization core fixing device where the air exchange cavity is provided, one end of the air exchange groove is connected with the air exchange through hole, and another end of the air exchange groove runs through a side surface of the vaporization core fixing device facing the liquid storage cavity to be in communication with the liquid storage cavity.
14 . The electronic-cigarette vaporization component according to claim 13 , wherein the air exchange through hole is formed on one side of the vaporization core fixing device in the thickness direction, a part of the air exchange groove extends to another side of the vaporization core fixing device in the thickness direction, and the another end of the air exchange groove is located at one end of the vaporization core fixing device in the width direction.
15 . The electronic-cigarette vaporization component according to claim 1 , wherein the housing comprises: a housing body, wherein the outlet channel is provided in the housing body, one end of the housing body is provided with an opening, and another end of the housing body is provided with the air outlet; and a lower cover, wherein the lower cover is arranged at the opening, the vaporization cavity is defined jointly by the housing body, the vaporization core component, and the lower cover, the lower cover comprises a bottom wall and a side wall extending from the bottom wall toward the vaporization cavity, the bottom wall of the lower cover is provided with an inlet channel, the inlet channel comprises an air intake hole and an air outlet, the air intake hole forms the air inlet, and the air outlet is deviated in a direction away from the communication hole relative to the air intake hole.
16 . The electronic-cigarette vaporization component according to claim 15 , wherein the bottom wall of the lower cover is provided with a conductive pin, an e-liquid guide cotton is supported by the side wall of the lower cover, the conductive pin penetrates the e-liquid guide cotton and presses against the vaporization core component to electrically connect to the vaporization core, the e-liquid guide cotton has a vent hole, and a position of the vent hole corresponds to a position of the air outlet, wherein the electronic-cigarette vaporization component further comprises an air-guiding metal plate, wherein the air-guiding metal plate is arranged on a side surface of the e-liquid guide cotton facing the vaporization core component, the air-guiding metal plate covers the air outlet, and the air-guiding metal plate is provided with a plurality of air splitting holes at a position corresponding to the air outlet, and wherein the air-guiding metal plate is provided with a notch at a position facing the air exchange cavity and the communication hole.
17 . An electronic cigarette, comprising the electronic-cigarette vaporization component according to claim 1 .

Description

CROSS-REFERENCE TO RELATED APPLICATION The present application is a continuation of International Application No. PCT/CN2023/082975, filed on Mar. 22, 2023, which claims priority to and benefits of Chinese Patent Application No. 202220716355.0, filed on Mar. 29, 2022. The entire content of the above-referenced applications is incorporated herein by reference. FIELD The present disclosure relates to the technical field of electronic cigarettes, and particularly to an electronic-cigarette vaporization component and an electronic cigarette. BACKGROUND Electronic cigarettes, as a substitute for traditional tobacco, can not only simulate the sensory experience of smoking, but also do far less damage to health than smoking traditional tobacco, so the demand for electronic cigarettes is increasing year by year. An electronic cigarette usually includes a cartridge and a cigarette rod. Power is supplied to a vaporization core in the cartridge through the cigarette rod, and an e-liquid is heated and vaporized by the vaporization core into an aerosol for a user to inhale. Existing electronic cigarettes have a large number of components and limited internal space. How to properly design the internal structure of electronic cigarettes to realize miniaturization without affecting the taste of aerosol is an important factor that those skilled in the art need to consider. Therefore, it is necessary to improve the internal structure of electronic cigarettes. SUMMARY The present disclosure aims to at least solve one of the technical problems in the related art. Therefore, an objective of the present disclosure is to provide an electronic-cigarette vaporization component, to realize the miniaturization design of electronic cigarettes, reduce the resistance to inhalation of electronic cigarettes, ensure the taste of aerosol, and improve user experience. Another objective of the present disclosure is to provide an electronic cigarette using the electronic-cigarette vaporization component. An embodiment of a first aspect of the present disclosure provides an electronic-cigarette vaporization component, including: a housing, where the housing has a liquid storage cavity provided therein, an outlet channel, and a vaporization cavity in communication with the outlet channel, and an air inlet in communication with the vaporization cavity and an air outlet in communication with the outlet channel are provided on the housing; a vaporization core fixing device, where the vaporization core fixing device is fixed in the housing, the liquid storage cavity is separated from the vaporization cavity by the vaporization core fixing device, the vaporization core fixing device is provided with a mounting groove and a communication channel, a first end of the communication channel is in communication with the vaporization cavity, a second end of the communication channel is in communication with one end of the outlet channel distant from the air outlet, and at least a portion of the communication channel is arranged obliquely with respect to the outlet channel; and a vaporization core component, where the vaporization core component is mounted in the mounting groove, and the vaporization core component is in communication with the liquid storage cavity and the vaporization cavity respectively. The electronic-cigarette vaporization component according to the embodiment of the present disclosure not only realizes the miniaturization design of the electronic-cigarette vaporization component, but also can reduce the resistance to inhalation of electronic cigarettes, and improve user experience without affecting the taste of aerosol. According to some embodiments of the present disclosure, the first end of the communication channel is located between the mounting groove and an inner side wall of the housing, and a central axis of the first end of the communication channel is closer to the inner side wall of the housing than a central axis of the outlet channel is. According to some embodiments of the present disclosure, the housing has a length direction, a width direction, and a thickness direction, a maximum dimension of the housing in the length direction is larger than a maximum dimension of the housing in the width direction, and the maximum dimension of the housing in the width direction is larger than or equal to a maximum dimension of the housing in the thickness direction. According to some embodiments of the present disclosure, in the width direction, the first end of the communication channel is located on one side of the mounting groove, and at least a portion of the communication channel is arranged obliquely with respect to the outlet channel in the width direction. According to some embodiments of the present disclosure, the communication channel includes a second channel segment and a second connecting segment in communication with each other, and the second channel segment is inclined in the width direction with respect to the outlet