Atomizer and electronic atomization device

Abstract

An atomizer includes: a housing at least internally provided with a storage cavity for storing an aerosol generating substrate, and an atomization cavity; a first partition member arranged between the storage cavity and the atomization cavity so as to partition the storage cavity from the atomization cavity, the first partition member being provided with a first through hole so as to enable the storage cavity to be in communication with the atomization cavity; an atomization assembly arranged in the housing and at least partially located in the atomization cavity so as to atomize aerosol generating substrate entering the atomization cavity; a movable member movably connected to the first partition member, the movable member moving relative to the first partition member; and a driving member connected to the movable member, the driving member driving, when a power supply is turned on or turned off, the movable member.

What is claimed is: 
     
         1 . An atomizer, comprising:
 a housing at least internally provided with a storage cavity configured to store an aerosol generating substrate, and an atomization cavity;   a first partition member arranged between the storage cavity and the atomization cavity so as to partition the storage cavity from the atomization cavity, the first partition member being provided with a first through hole so as to enable the storage cavity to be in communication with the atomization cavity;   an atomization assembly arranged in the housing and at least partially located in the atomization cavity, the atomization assembly being configured to atomize aerosol generating substrate entering the atomization cavity;   a movable member movably connected to the first partition member, the movable member being configured to move relative to the first partition member; and   a driving member connected to the movable member, the driving member being configured to drive, when a power supply is turned on or turned off, the movable member to move so as to seal or open the first through hole.   
     
     
         2 . The atomizer of  claim 1 , wherein the housing is internally provided with a mounting cavity configured to accommodate at least the driving member, a second partition member configured to partition the mounting cavity from the atomization cavity being arranged between the mounting cavity and the atomization cavity, the second partition member being provided with a second through hole so as to allow the movable member to penetrate to be connected to the driving member, and
 wherein the second partition member is hermetically connected to the movable member.   
     
     
         3 . The atomizer of  claim 2 , wherein the movable member comprises:
 a piston rod at least penetrating the first through hole and the second through hole and being movable relative to the first partition member; and   a cover plate arranged on the piston rod, the cover plate being configured to move synchronously with the piston rod so as to seal or open the first through hole,   wherein the second partition member is hermetically connected to the piston rod, and   wherein the driving member is connected to an end of the piston rod in the mounting cavity so as to drive the piston rod and the cover plate to move.   
     
     
         4 . The atomizer of  claim 3 , further comprising:
 a limiting support connected to the first partition member, the limiting support being provided with a first guiding hole,   wherein an end of the piston rod farther from the mounting cavity penetrates the first guiding hole and is provided with a limiting part, the limiting part being configured to abut against the limiting support so as to limit a position at which the cover plate seals the first through hole.   
     
     
         5 . The atomizer of  claim 3 , wherein a side of the cover plate towards the first partition member is provided with a lower sealing ring, the lower sealing ring abutting against the first partition member so as to seal the first through hole, and/or
 wherein a side of the first partition member towards the cover plate is provided with an upper sealing ring, the upper sealing ring abutting against the cover plate so as to seal the first through hole.   
     
     
         6 . The atomizer of  claim 3 , further comprising:
 a first conducting member arranged in the mounting cavity and connected to an end of the piston rod in the mounting cavity, the first conducting member being provided with a guiding rod in a direction away from the piston rod in an extending manner; and   a second conducting member arranged in the mounting cavity, the second conducting member being provided with a second guiding hole to allow the guiding rod to penetrate so as to limit moving directions of the guiding rod and the first conducting member,   wherein the driving member is arranged between the first conducting member and the second conducting member so as to drive the first conducting member to drive the piston rod to move.   
     
     
         7 . The atomizer of  claim 6 , wherein an end of the piston rod for being connected to the first conducting member is provided with an insertion hole, an end of the first conducting member towards the piston rod being inserted into the insertion hole; or an end of the first conducting member for being connected to the piston rod is provided with an insertion hole, an end of the piston rod in the mounting cavity being inserted into the insertion hole,
 wherein a circle center of the insertion hole is located on the axis of the guiding rod.   
     
     
         8 . The atomizer of  claim 1 , wherein the driving member comprises an elastic member configured to be powered on to generate a driving force. 
     
     
         9 . The atomizer of  claim 1 , further comprising:
 a restoring member connected to the movable member, the restoring member being configured to drive, when the driving member is powered off, the movable member to be restored so as to seal the first through hole.   
     
     
         10 . The atomizer of  claim 1 , wherein the driving member comprises a memory alloy material. 
     
     
         11 . The atomizer of  claim 2 , wherein the second separating member comprises a flexible deformable component. 
     
     
         12 . The atomizer of  claim 1 , wherein the housing comprises a transparent material. 
     
     
         13 . The atomizer of  claim 1 , wherein, upon inhalation of a user of the atomizer, the driving member is configured to be connected to the power source so as to drive the movable member to move to open the first through-hole, and
 wherein, upon stopping the inhalation, the driving member is configured to be disconnected from the power source so as to stop driving the movable member to close the first through-hole.   
     
     
         14 . The atomizer of  claim 1 , wherein the first separating member comprises a sealing layer comprising a flexible material. 
     
     
         15 . An electronic atomization device, comprising:
 a battery; and   the atomizer of  claim 1 ,   wherein the battery is at least electrically connected to the driving member so as to supply power to the driving member.   
     
     
         16 . The electronic atomization device of  claim 10 , wherein the housing is internally provided with a mounting cavity configured to accommodate at least the driving member, a second partition member configured to partition the mounting cavity from the atomization cavity being arranged between the mounting cavity and the atomization cavity, the second partition member being provided with a second through hole so as to allow the movable member to penetrate to be connected to the driving member, and
 wherein the second partition member is hermetically connected to the movable member.   
     
     
         17 . The electronic atomization device of  claim 16 , wherein the movable member comprises:
 a piston rod at least penetrating the first through hole and the second through hole and being movable relative to the first partition member; and   a cover plate arranged on the piston rod, the cover plate being configured to move synchronously with the piston rod so as to seal or open the first through hole,   wherein the second partition member is hermetically connected to the piston rod, and   wherein the driving member is connected to an end of the piston rod in the mounting cavity so as to drive the piston rod and the cover plate to move.   
     
     
         18 . The electronic atomization device of  claim 10 , wherein the driving member comprises an elastic member configured to be powered on to generate a driving force. 
     
     
         19 . The electronic atomization device of  claim 10 , further comprising:
 a restoring member connected to the movable member, the restoring member being configured to drive, when the driving member is powered off, the movable member to be restored so as to seal the first through hole.   
     
     
         20 . The electronic atomization device of  claim 10 , wherein the driving member comprises a memory synthetic material.