Atomizer and electronic atomizing device

Abstract

The present disclosure relates to an atomizer and an electronic atomizing device. The atomizer is provided with an atomizing cavity, and includes: an atomizing core configured to atomize an aerosol generating substrate to form an aerosol; a base provided with an air inlet; and a sealing member disposed on the base, and having an upper surface facing the atomizing core. The sealing member includes a raised platform connected to the upper surface and protruding opposite to the upper surface. The raised platform is provided with an orifice channeling air flow around the atomizing cavity and the air inlet. The raised platform has an inclined surface located outside the orifice and facing the atomizing core. In a direction away from the orifice, a distance between the inclined surface and the upper surface gradually decreases.

What is claimed is: 
     
         1 . An atomizer, provided with an atomizing cavity, the atomizer comprising:
 an atomizing core configured to atomize an aerosol generating substrate to form an aerosol;   a base provided with an air inlet, the air inlet extending through the base in a first direction; and   a sealing member disposed between the atomizing core and the base,   wherein the atomizing cavity is formed between the atomizing core and the sealing member; the sealing member is provided with an orifice that is in communication with the atomizing cavity and the air inlet, the orifice extending through the sealing member in the first direction.   
     
     
         2 . The atomizer according to  claim 1 , wherein the air inlet has an output port formed on the base, the orifice has an input port disposed on the sealing member;
 the output port faces the input port, and an extension channel through which an air is allowed to flow is formed between the output port and the input port.   
     
     
         3 . The atomizer according to  claim 2 , wherein the output port and the input port are respectively located at two ends of the extension channel along the first direction. 
     
     
         4 . The atomizer according to  claim 1 , wherein the first direction is parallel to a length direction of the atomizer. 
     
     
         5 . The atomizer according to  claim 4 , wherein a central axis of the air inlet and a central axis of the orifice coincide with a central axis of the atomizer. 
     
     
         6 . The atomizer according to  claim 2 , wherein an orthographic projection of the input port on the base and the output port at least partially overlap with each other. 
     
     
         7 . The atomizer according to  claim 6 , wherein the orthographic projection covers the output port. 
     
     
         8 . The atomizer according to  claim 2 , wherein the base is further provided with a storage portion configured to store the aerosol generating substrate, wherein the storage portion is disposed around the air inlet. 
     
     
         9 . The atomizer according to  claim 8 , wherein the input port is disposed in a lower surface of the sealing member away from the atomizing core, the lower surface is provided with a flow diverting groove connected with the orifice, wherein the flow diverting groove transfers the aerosol generating substrate from the orifice into the storage portion. 
     
     
         10 . The atomizer according to  claim 9 , wherein more than one flow diverting groove is provided, the more than one flow diverting groove is distributed radially around a central axis of the orifice. 
     
     
         11 . The atomizer according to  claim 8 , wherein the sealing member is sleeved on the base and covers the storage portion. 
     
     
         12 . The atomizer according to  claim 9 , further comprising a liquid absorbing member, wherein the liquid absorbing member is located in the storage portion and abuts against the lower surface of the sealing member, and is capable of absorbing the aerosol generating substrate from the orifice. 
     
     
         13 . The atomizer according to  claim 1 , wherein a diameter of the output port is about 0.1 mm. 
     
     
         14 . The atomizer according to  claim 1 , wherein the sealing member has an upper surface facing the atomizing core and is provided with an inclined surface;
 in a direction away from the orifice, a distance between the inclined surface and the upper surface gradually decreases.   
     
     
         15 . The atomizer according to  claim 1 , wherein the sealing member has an upper surface facing the atomizing core and is provided with a raised platform that protrudes toward the atomizing core relative to the upper surface,
 the raised platform is provided with the orifice, the orifice has an opening that is formed on the raised platform and configured to allow a gas to flow out from the orifice to enter the atomizing cavity, wherein the opening is located at a height higher than that of the upper surface.   
     
     
         16 . The atomizer according to  claim 15 , wherein the sealing member includes at least two raised portions spaced apart along a circumference of the orifice, wherein the at least two raised portions protrude toward the atomizing core relative to the inclined surface, and the inclined surface is connected between the at least two raised portions and the raised platform. 
     
     
         17 . The atomizer according to  claim 1 , wherein the air inlet includes an air intake hole and a vent hole that are connected with each other;
 a plurality of vent holes are provided, and positioned on a side of the air intake hole in the first direction and faces the orifice.   
     
     
         18 . The atomizer according to  claim 17 , wherein one air intake hole is provided, and a diameter of the air intake hole is greater than a diameter of each of the vent holes. 
     
     
         19 . The atomizer according to  claim 1 , wherein the base includes a protruding portion that protrudes toward the atomizing core relative to a bottom wall surface of the base, an upper end of the protruding portion being a free end surface that is curved. 
     
     
         20 . The atomizer according to  claim 19 , wherein the air inlet includes an air intake hole and a vent hole that are connected with each other;
 the vent hole passes through the free end surface and forms an output port on the free end surface; and   the output port is adjacent to the orifice and spaced apart from the orifice.