Aerosol generation apparatus and electronic aerosol inhaler

Abstract

Disclosed in the present application are an aerosol generating device and an aerosol electronic inhaler. The aerosol generating device at least provides one embodiment, comprising a housing, and a first liquid holder, a second liquid holder and an atomizing element located within the housing. The housing extends in an axial direction and has therein a matrix cavity for receiving a liquid matrix; the first liquid holder comprises a body and a supporting part extending into the matrix cavity from the body; the second liquid holder mates with the supporting part of the first liquid holder to define an atomizing cavity; the atomizing element is held by the supporting part. An airflow buffer cavity located on an upstream portion of the atomizing cavity is formed in the body of the first liquid holder. According to the aerosol generating device in the embodiment, the design of an airflow path in the device is improved, so that the suction experience expected by a user is improved.

What is claimed is: 
     
         1 . An aerosol generation apparatus, comprising:
 a shell having an open end, wherein the shell extends in an axial direction and has a substrate cavity for accommodating a liquid substrate;   a first liquid holder, connected to the open end of the shell, wherein the first liquid holder comprises a body and a support portion extending from the body into the substrate cavity;   a vaporization element, held by the support portion and configured to vaporize the liquid substrate to generate aerosols;   a second liquid holder, provided with an aerosol outlet, wherein the second liquid holder fits with the support portion of the first liquid holder to define a vaporization cavity, and the vaporization element is at least partially located in the vaporization cavity; and   at least one air inlet, configured to guide external air into the aerosol generation apparatus, wherein:
 an airflow buffer cavity in fluid communication with the air inlet is formed in the body of the first liquid holder, and the airflow buffer cavity is located upstream of the vaporization cavity. 
   
     
     
         2 . The aerosol generation apparatus according to  claim 1 , wherein the first liquid holder has a first width dimension perpendicular to the axial direction, and an extension width of the airflow buffer cavity in a first width direction is greater than an extension width of the vaporization cavity in the first width direction. 
     
     
         3 . The aerosol generation apparatus according to  claim 2 , wherein the vaporization cavity is in fluid communication with the airflow buffer cavity through an airflow hole, and the air inlet and the airflow hole are staggered in the axial direction. 
     
     
         4 . The aerosol generation apparatus according to  claim 2 , wherein the first liquid holder has a second width dimension perpendicular to the axial direction, a second width direction is perpendicular to the first width direction, and a maximum dimension of the first liquid holder in the second width direction is less than a maximum dimension in the first width direction. 
     
     
         5 . The aerosol generation apparatus according to  claim 4 , wherein a ratio of the maximum dimension of the first liquid holder in the second width direction to the maximum dimension in the first width direction is in a range of 0.2 to 0.4. 
     
     
         6 . The aerosol generation apparatus according to  claim 4 , wherein the airflow buffer cavity runs through the body in the second width direction. 
     
     
         7 . The aerosol generation apparatus according to  claim 1 , wherein a first blocking wall and a second blocking wall are spaced apart in the airflow buffer cavity to sequentially divide the airflow buffer cavity into a first buffer cavity, a second buffer cavity, and a third buffer cavity, the second buffer cavity is located between the first buffer cavity and the third buffer cavity and is in fluid communication with the vaporization cavity, and both the first blocking wall and the second blocking wall are provided with notches for transferring an airflow. 
     
     
         8 . The aerosol generation apparatus according to  claim 7 , wherein a notch on the first blocking wall and a notch on the second blocking wall are respectively adjacent to opposite sides of the body and spaced apart from each other. 
     
     
         9 . The aerosol generation apparatus according to  claim 1 , wherein a first seal member and a second seal member are arranged between the first liquid holder and the shell, and the airflow buffer cavity is located between the first seal member and the second seal member. 
     
     
         10 . The aerosol generation apparatus according to  claim 9 , wherein a first accommodating groove for accommodating the first seal member and a second accommodating groove for accommodating the second seal member are provided on an outer peripheral surface of the first liquid holder, and an axial depth of the first accommodating groove is greater than an axial depth of the second accommodating groove. 
     
     
         11 . The aerosol generation apparatus according to  claim 10 , wherein the first seal member is in a shape of a ring belt, and the first seal member comprises at least two seal ribs for abutting against an inner wall of the shell. 
     
     
         12 . The aerosol generation apparatus according to  claim 9 , wherein the first seal member is formed by at least a part of the second liquid holder extending toward the first liquid holder. 
     
     
         13 . The aerosol generation apparatus according to  claim 10 , wherein the first liquid holder further comprises a substantially cylindrical extension portion extending from the body to the substrate cavity, and the first accommodating groove is provided on an outer peripheral surface of the extension portion. 
     
     
         14 . The aerosol generation apparatus according to  claim 1 , wherein the vaporization element comprises a liquid guide core body and a heating wire surrounding the liquid guide core body, and the second liquid holder fits with the first liquid holder to clamp the liquid guide core body. 
     
     
         15 . The aerosol generation apparatus according to  claim 14 , wherein the support portion comprises a first support arm and a second support arm opposite to each other, a trench for accommodating the liquid guide core body is provided on the first support arm and the second support arm, and the liquid guide core body is accommodated in the trench and an end portion of the liquid guide core body extends into the substrate cavity. 
     
     
         16 . The aerosol generation apparatus according to  claim 14 , wherein a vent tube for discharging aerosols is further arranged in the substrate cavity, and an end portion of the vent tube is connected to the aerosol outlet of the second liquid holder. 
     
     
         17 . The aerosol generation apparatus according to  claim 14 , wherein the first liquid holder further comprises an extension portion extending from the body to the substrate cavity, the extension portion and the support portion define a liquid slowing cavity, and an end portion of the liquid guide core body extends into the liquid slowing cavity. 
     
     
         18 . The aerosol generation apparatus according to  claim 17 , wherein at least one liquid guide hole for guiding the liquid substrate to flow into the liquid slowing cavity is provided on the second liquid holder. 
     
     
         19 . The aerosol generation apparatus according to  claim 14 , wherein the second liquid holder is configured as an elastic body and has a joint surface matching an outer peripheral surface of the liquid guide core body. 
     
     
         20 . The aerosol generation apparatus according to  claim 1 , wherein the first liquid holder is configured as a rigid body, the second liquid holder is configured as an elastic body fitting with the first liquid holder, and both the first liquid holder and the second liquid holder define a transfer path in which the liquid substrate flows from the substrate cavity into the vaporization cavity. 
     
     
         21 . The aerosol generation apparatus according to  claim 1 , wherein the shell is at least partially configured to be transparent or translucent, to view the airflow buffer cavity through an outer surface of the shell. 
     
     
         22 . An aerosol generation apparatus, comprising:
 a reservoir, comprising a shell, wherein the shell is provided with a substrate cavity for accommodating a liquid substrate and a vent tube for discharging aerosols;   a first liquid holder configured as a rigid body, connected to the reservoir;   a vaporization element, comprising a liquid guide core body and a heating body for heating a liquid substrate from the liquid guide core body to generate aerosols; and   a second liquid holder configured as an elastic body, comprising an aerosol outlet in communication with the vent tube, wherein the second liquid holder fits with the first liquid holder to define a vaporization cavity and a transfer path in communication with the vaporization cavity and the substrate cavity, and the liquid guide core body transfers the liquid substrate through the transfer path, wherein:
 the first liquid holder is provided with at least one air inlet and an airflow buffer cavity in fluid communication with the air inlet, and the airflow buffer cavity is in fluid communication with the vaporization cavity to introduce an airflow into the vaporization cavity. 
   
     
     
         23 . The aerosol generation apparatus according to  claim 22 , wherein the first liquid holder comprises a support portion for holding the liquid guide core body, and the second liquid holder is provided with a groove for accommodating at least a part of the support portion. 
     
     
         24 . An aerosol generation apparatus, comprising:
 a shell, wherein the shell is provided with a substrate cavity for accommodating a liquid substrate, the shell comprises a front surface and a rear surface opposite to each other, and the front surface and the rear surface are at least partially transparent or translucent;   a first liquid holder, connected to the shell, wherein the first liquid holder comprises a body and a support portion extending from the body into the substrate cavity;   a vaporization element, held by the support portion and configured to vaporize the liquid substrate to generate aerosols;   a second liquid holder, provided with an aerosol outlet, wherein the second liquid holder fits with the support portion of the first liquid holder to define a vaporization cavity, and the vaporization element is at least partially located in the vaporization cavity; and   at least one air inlet, configured to guide external air into the aerosol generation apparatus, wherein:
 an airflow buffer cavity in fluid communication with the air inlet is formed in the first liquid holder, and the airflow buffer cavity is in fluid communication with the vaporization cavity to introduce an airflow into the vaporization cavity; and the airflow buffer cavity runs through the body of the first liquid holder and is located between the front surface and the rear surface of the shell, to view the airflow buffer cavity through the front surface or the rear surface of the shell. 
   
     
     
         25 . An electronic aerosol inhaler, comprising a vaporization apparatus and a power supply apparatus for supplying power to the vaporization apparatus, wherein the vaporization apparatus comprises the aerosol generation apparatus according to any one of  claims 1 to 24 . 
     
     
         26 . The electronic aerosol inhaler according to  claim 25 , wherein the power supply apparatus comprises a power supply housing and a battery located in the power supply housing, an accommodating cavity is provided at an end of the power supply housing, and the aerosol generation apparatus is capable of being at least partially inserted into the accommodating cavity, to maintain an electrical connection to the power supply apparatus.